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KR-102965181-B1 - DRAWER ASSEMBLY SYSTEM FOR FURNITURE

KR102965181B1KR 102965181 B1KR102965181 B1KR 102965181B1KR-102965181-B1

Abstract

The present invention aims to provide a drawer assembly system for furniture materials that can automatically assemble and fasten drawers provided in furniture materials such as chests of drawers, sinks, or shoe cabinets, thereby significantly improving productivity and work efficiency, and lowering production costs to increase economic efficiency.

Inventors

  • 문제정

Dates

Publication Date
20260513
Application Date
20240506

Claims (17)

  1. In a drawer assembly system that automatically fastens and assembles a drawer (10) which is assembled into a cuboid shape with an open top and installed to be pulled out of furniture, comprising side plates (12) provided with a certain length, height, and thickness, front and rear plates (14)(16), and bottom plate (18), respectively, and is formed by the same. A main frame (100) provided by assembling a plurality of profiles into a predetermined shape, having a movable screw (112) of a certain length with a handle (110) attached to the other end and movable rods (114) movable at the upper front and rear respectively, and a plurality of profiles assembled into a predetermined shape, a movable screw (112) provided with a certain length and movable screw (112) movable at the upper middle part, and movable rods (114) movable at the upper front and rear respectively; A fixed frame (200) in which a plurality of profiles are assembled into a predetermined shape and fixedly installed on one side of the upper part of the main frame (100), a pair of guide rods (210) are vertically installed at a certain distance from each other in the upper front and rear sections, a protective plate (220) is installed long in the front and rear sections in the inner middle section, and a fastening hole (222) in the shape of an elongated hole is formed to pass vertically through the protective plate (220), a screw block (230) is installed and fixed in the center of the profiles laid horizontally in the upper middle section, and a pair of guide rods (240) are installed in the front and rear longitudinal direction in the lower inner section; A plurality of profiles are assembled into a predetermined shape and installed movably on the upper side of the main frame (100); a pair of guide rods (310) are vertically installed on each upper side at a certain distance from each other; a protective plate (320) is installed in the inner middle section in a long forward and rear direction, and a fastening hole (322) in the shape of an elongated hole is formed to pass vertically through the protective plate (320); a screw block (330) is installed and fixed in the center of the profiles laid horizontally in the upper middle section; a pair of guide rods (340) are installed in the lower inner section in the front and rear longitudinal direction; a plate contact part (350) is installed on the lower side to enable left and right movement by being coupled with the moving screw (112) of the main frame (100); and a movable frame (300) in which a plurality of guide blocks (302) are installed on the lower front and rear sides respectively to be coupled with the moving rod (114); A plate grip portion (400) that is installed oppositely on the lower inner side of the fixed frame (200) and the movable frame (300), respectively, and raises the two side plates (12) to a certain height, and then holds the inner/outer walls of the corner portions of the front and rear plates (14) (16) located between the two side plates (12); A driving motor (500) that rotates a ball screw (510) in forward and reverse directions, which is vertically coupled to the screw blocks (230) (330) of the fixed frame (200) and the movable frame (300), respectively; A mounting plate (610) is provided such that the driving motor (500) is integrally coupled to the bottom surface so that it can be raised or lowered by driving the driving motor (500). A connecting rod (612) is coupled to each side of the bottom surface of the mounting plate (610) in the front and rear longitudinal directions, and a fixing plate (614) is installed facing each other at the front and rear ends of the connecting rod (612). On the outer side of the fixing plate (614), a pair of guide blocks (616) are installed to be movably coupled to a pair of guide rods (210) (310) installed on each side of the fixed frame (200) and the moving frame (300). On the inner side between the fixing plates (614), a control screw (622) and a plurality of control rods (624) are installed in the front and rear longitudinal directions, and a handle (620) is integrally coupled to the rear end of the control screw (622). Lifting body (600) and; A pair of screw fastening parts (700) coupled to the control screw (622) and a plurality of control rods (624) of the lifting body (600) to fasten the front and rear sides of the two-sided plate (12) and the two sides of the front and rear plates (14) (16) to each other with screws; A side plate supply unit (800) that is coupled with the rear screw fastening unit (700) of the pair of screw fastening units (700) and moves back and forth by the rotation of the handle (620) and the adjustment screw (622) of the lifting body (600), and pushes a plurality of side plates (12) stacked vertically on the upper side to one side or the other so that they can be supplied one by one to the plate grip unit (400); A drawer assembly system for furniture materials, characterized by comprising: a bottom plate fixing part (900) that fixes a bottom plate (18) placed on top of the above by a staple gun (T) when the two side plates (12) and the front and rear plates (14) (16) are arranged in a square frame shape by the plate grip part (400) and the top plate is assembled into a square frame by the screw fastening part (700).
  2. In claim 1, the plate contact portion (350) included in the movable frame (300) is, A drawer assembly system for furniture materials characterized by comprising a moving block (352) that moves left and right by the rotation of a handle (110) and is coupled to a moving screw (112) of the main frame (100), a mounting plate (354) formed integrally on the upper part of the moving block (352), a contact cylinder (356) mounted on the upper part of the mounting plate (354), and a contact member (358) in which the rod of the contact cylinder (356) is coupled to the other side and one side is coupled to a profile forming the moving frame (300), so that the entire moving frame (300) is pushed toward the fixed frame (200) by the operation of the contact cylinder (356), thereby allowing the side plates (12) and the front and rear plates (14) (16) to be in close contact with each other.
  3. In claim 1, the plate grip portion (400) is, A lifting cylinder (410) installed vertically on the inner profile of the fixed frame (200) or the movable frame (300), respectively, and Support rods (420) installed vertically at the front and rear of the lifting cylinder (410), respectively, and The upper ends of the rod of the lifting cylinder (410) and the support rod (420) are respectively connected to the bottom surface, a guide rail (432) having a predetermined length is installed in the middle part of the upper surface, a support pin (434) is vertically installed at a predetermined position on the upper surface to support the inner wall of the side plate (12), and a blocking member (436) is vertically installed on one side, and a lifting plate (430) that rises and falls to a certain height by the operation of the lifting cylinder (410), and A front contact fixing part (450) installed at the upper front of the lifting plate (430) and pulling the front of the two side plates (12) and the front of the front plate (14) located between them backward to make close contact, and A drawer assembly system for furniture materials, characterized by including a rear-close fixing part (460) that is installed to be movable forward and backward by being combined with a guide rail (432) installed on the upper part of the lifting plate (430), and supports the rear of the rear plate (16) located between the rear of the two side plates (12).
  4. In paragraph 3, the front contact fixing part (450) is, A fixed body (451) that is fixed and installed at the upper front of the lifting plate (430), has a pin hole (452) formed so that the support pin (434) can be inserted, and a rod hole (453) formed to pass through the front, and A contact cylinder (454) that is seated on the upper middle portion of the fixed body (451) and extends/extends the rod inserted through the rod hole (453), and A first support plate (456) that is coupled to the rod of the above-mentioned contact cylinder (454), supports the lower part of the front plate (14), and is in close contact with the outer wall of the front plate (14), and A drawer assembly system for furniture materials, characterized by including a second support plate (458) that is in close contact with and supported by the inner wall of the front plate (14) by the elasticity of a plurality of springs (457) embedded in the interior of the fixed body (451).
  5. In paragraph 3, the rear close-fitting fixing part (460) is, A rail block (462) that is coupled to the guide rail (432) of the above-mentioned lifting plate (430) is integrally formed on the bottom surface, a support pin (463) is vertically installed at a predetermined upper position, and a third support plate (464) that supports the rear of the side plate (12) and the outer wall of the rear plate (16) is vertically installed at the upper rear of the moving plate (461), and A movable body (465) that is seated and installed on the upper part of the above-mentioned movable plate (461), and has a support hole (466) formed therein so that the above-mentioned support pin (463) can be inserted, and A fourth support plate (468) that is in close contact with and supported by the inner wall of the rear plate (16) by the elasticity of a plurality of springs (467) embedded inside the above-mentioned moving body (465), and A drawer assembly system for furniture materials, characterized by having a “L” shaped blocker (469) vertically installed on the bottom surface of the above-mentioned movable plate (461), and including a connecting rail (470) vertically installed on the front surface of the above-mentioned blocker (469).
  6. In claim 1, the pair of screw fastening parts (700) are, An installation plate (710) having a pair of fixing blocks (714) installed on the bottom surface at a certain distance apart, with a control block (712) installed on the upper surface so as to be coupled to each of the control rods (624) of the lifting body (600), and a coupling hole (716) formed through both sides. A drawer assembly system for furniture materials, characterized by including a fastening means (730) that is inserted into a coupling hole (716) formed in a fixing block (714) of the above-mentioned mounting plate (710) and installed to be movable left and right, and fastens a screw.
  7. In claim 1 or claim 6, among the pair of screw fastening parts (700), A drawer assembly system for furniture materials, characterized by inserting and connecting the adjustment rod (624) of the lifting body (600) into the adjustment block (712) installed on the upper part of the installation plate (710) of the screw fastening part (700) located at the front, and fastening and fixing the adjustment block (712) and the adjustment rod (624) with a separately provided fastening bolt (718) so that the installation position value of the screw fastening part (700) located at the front is fixed.
  8. In claim 1 or claim 6, among the pair of screw fastening parts (700), A drawer assembly system for furniture materials, characterized by installing an adjustment block (712) on the upper part of the mounting plate (710) of the screw fastening part (700) located at the rear, additionally installing a screw block (722) between the adjustment blocks (712) so as to be coupled with the adjustment screw (622) installed on the lifting body (600), and vertically installing a pair of fixing plates (724) on each side of the rear surface of the mounting plate (710), and vertically installing a connecting block (726) on each side of the rear surface of the fixing plates (724) so that the screw fastening part (700) located at the rear can be easily moved forward and backward by the rotation of the handle (620) installed on the adjustment screw (622) of the lifting body (600).
  9. In claim 1, the side plate supply unit (800) is, A plurality of guide blocks (812) are installed on both lower sides so as to be coupled to a pair of guide rods (240) (340) installed on the lower inner side of the fixed frame (200) and the movable frame (300), a pair of guide rods (814) are laid horizontally in the lower middle part, a pair of guide grooves (816) are formed penetrating through the upper surface where the guide rods (814) are laid horizontally in the left and right longitudinal directions, a plurality of teeth (818) are laid horizontally in the middle part of the upper surface with a certain depth embedded therein, and a support plate (810) is laid horizontally in the rear part of the upper surface with a support (819) of a certain height to which the rear end of the side plate (12) meets, and A rail block (820) that is vertically installed and fixed on one side of the rear surface of the base (819) and combined with a connecting rail (470) that is integrally installed on the blocking member (469) of the rear contact fixing part (460), and A connecting rod (830) having its lower end fastened and fixed to each of the rear sides of the upper surface of the base plate (810), and its upper end inserted and coupled to a connecting block (726) installed on the fixing plate (724) of the screw fastening part (700) located at the rear of the lifting body (600), and A drawer assembly system for furniture materials, characterized by including a side plate pushing part (840) that moves to the left or right while the lower part is connected to the guide rod (814), and pushes the last side plate (12) among the plurality of side plates (12) erected on the base plate (810) into the plate grip part (400).
  10. In claim 9, the above-mentioned side plate pushing part (840) is, A guide plate (842) located at the bottom of the base plate (810), with a pair of guide blocks (841) installed on the bottom surface so as to be combined with each of the pair of guide rods (814), and A pair of support pieces (844), each having a lower end inserted through a guide groove (816) formed in the base plate (810) and integrally coupled to the upper surface of the guide plate (842), and A fixing piece (845) is integrally formed to protrude from the lower part of one side where the side ends of the support piece (844) are each joined, and on the other side, a pushing plate (846) in contact with the side plate (12), and A fixed shaft (848) formed on the upper part of the above pair of support pieces (844), and A pushing cylinder (850) having its upper portion rotatably mounted on the above fixed shaft (848), and A first push rod (852) having its lower end pivotably hinged to the fixed piece (845) and its upper end pivotably hinged to the rod of the pushing cylinder (850), and A drawer assembly system for furniture materials, characterized by including a second push rod (854) in which the upper end is pivotally hinged to the rod of the pushing cylinder (850) together with the first push rod (852), and the lower end engages with a tooth (818) installed on the base plate (810) to move the pushing plate (846) to the left or right by a limited distance due to the extension and contraction of the pushing cylinder (850).
  11. In Article 9 or Article 10, A drawer assembly system for furniture materials, characterized in that a sensing hole (819') is formed through the front side of the support (819) of the above-mentioned side plate supply unit (800), and an object detection sensor (OS) is installed on the rear side of one side of the pushing plate (846) of the above-mentioned side plate pushing unit (840), so that when the above-mentioned side plate pushing unit (840) moves to the left or right and the object detection sensor (OS) is positioned at the sensing hole (819'), it can be recognized that all side plates (12) loaded on the support plate (810) have been inserted.
  12. In claim 1, the base plate fixing part (900) is, A pair of guide brackets (904) are installed on the fixed frame (200) and the movable frame (300) respectively so as to be positioned at the lower part of a pair of guide rods (902) that are horizontally arranged and whose ends are respectively connected to the upper front and rear of the fixed frame (200) and the movable frame (300), and a sensor (910) whose ends are inserted into and connected to the guide brackets (904). A pair of movable plates (921) are each connected to the pair of guide rods (902) and have guide blocks (922) installed at predetermined positions on the front and rear sides to allow left and right movement, respectively. Between these plates, a plurality of guide rods (923) provided for a certain length and a position adjustment screw (924) with a handle (925) integrally formed at the rear end are each installed in the front and rear longitudinal directions, respectively. A first grounding sensor (S1) is mounted on the lower part of the movable plate (921) located in the front of the pair of movable plates (921), and an operating sensor (S10) and a reverse direction prevention means (926) are mounted on the movable plate (921) located in the rear. A moving part (920) is provided, and A guide block (932) and a screw block (934) are each mounted at predetermined positions so as to be coupled to a plurality of guide rods (923) and position adjustment screws (924) forming the moving part (920), and a position adjustment plate (930) having a second ground sensor (S2) mounted on the lower front side, and A moving body (940) having a plurality of guide blocks (942) that are coupled to a plurality of guide rods (923) forming the moving part (920) so as to be movable forward and backward, a plurality of rail blocks (944) that are vertically installed at regular intervals on the lower rear side, and an air control unit (946) that supplies and blocks air supplied from the outside installed at the rear side, and A drawer assembly system for furniture materials, characterized by including a staple gun means (950) that is coupled to and installed on the above-mentioned movable body (940) and operates a mounted staple gun while moving up and down to fasten and fix the bottom plate (18) with a staple gun pin.
  13. In Paragraph 12, One end of the sensor (910) is bolt-fixed to the guide bracket (904) installed on the fixed frame (200) among the pair of guide brackets (904), and the other end is inserted and coupled to the guide bracket (904) installed on the movable frame (300) among the pair of guide brackets (904), and is provided in the form of a plate having a certain thickness and length so that the movable frame (300) can move left and right, and a tooth plate (912) formed with a plurality of teeth protruding is arranged horizontally in the middle part of the front, and a plurality of sensing protrusions (914) are formed to protrude upward at regular intervals on the upper part so that an operating sensor (S10) mounted on the movable plate (921) located at the rear detects the sensing protrusions (914) and a staple pin is fired from the staple gun (T), characterized by a drawer assembly system for furniture materials.
  14. In Paragraph 12 or 13, A reverse direction prevention means (926) is further installed at the lower portion of the rear movable plate body (921) among the above pair of movable plate bodies (921). The reverse direction prevention means (926) comprises a pair of prevention cylinders (927) installed at the lower front portion of the rear movable plate body (921), a prevention member (928) eccentrically mounted on the rods of the pair of prevention cylinders (927) and meshing with the teeth formed on the gear plate (912) of the sensor (910), and a spring (929) embedded inside each of the pair of prevention cylinders (927) and supporting the prevention member (928) by its own elasticity. By extending the rod of one of the pair of prevention cylinders (927), the prevention member (928) coupled to the rod is supported by the elasticity of the spring (929), thereby the prevention member (928) of the prevention member (928) A drawer assembly system for furniture materials characterized by the end portion engaging with the teeth formed on the gear plate (912) of the sensor (910), and the rod of another prevention cylinder (927) being reduced so that the prevention member (928) is separated from the gear plate (912), thereby allowing the moving portion (920) to move only in one direction, either left or right, according to the operation of the pair of prevention cylinders (927).
  15. In Clause 12, the above tacker means (950) is, A drawer assembly system for furniture materials, characterized by comprising: a spring balance (952) installed on the upper part of the moving body (940) and having a rope (954) of a predetermined length wound by the elasticity of a spring mounted inside; a moving rail (962) vertically installed on the front side to enable up and down movement by being coupled with a plurality of rail blocks (944) and having a handle (964) formed on the lower front side so that a worker can hold it and move the moving body (940) forward and backward and move the entire moving part (920) left and right; a staple gun (T) installed in the staple gun (960) and firing a staple pin loaded inside with air supplied by the air control unit (946); and an operating cylinder (970) installed in the staple gun (960) and operating the staple gun (T).
  16. In Paragraph 12, A plurality of grounding plates (906), to which the ends of a pair of guide rods (902) forming the base plate fixing part (900) are joined, are respectively installed on the inner upper front and rear of the fixed frame (200) and the movable frame (300); a third and fourth grounding sensor (S3) (S4) are respectively mounted on the grounding plate (906) installed on the inner upper rear so as to face inward toward each other; a plurality of electromagnets (N) that are grounded or separated from the grounding plate (906) by magnetic force generated by an externally applied electric supply are respectively installed on both front sides of the movable plate body (921) located at the rear of the movable part (920) and on the upper front and rear of the movable body (940); external electricity is supplied to the electromagnets (N) installed on the movable plate body (921) so that when the left and right movement of the movable part (920) is completed, the movable part (920) is inside the fixed frame (200) or of the movable frame (300). A drawer assembly system for furniture materials, characterized by being able to maintain a state of close contact with the inner side, and by supplying external electricity to an electromagnet (N) installed on the movable body (940) so that when the forward and backward movement of the movable body (940) is completed, the movable body (940) can be fixed in close contact with the back surface of the movable plate body (921) located in front of the movable part (920) or the front surface of the position adjustment plate (930), thereby enabling stable movement of the movable part (920) and the movable body (940).
  17. In Article 1, When the side plate supply unit (800) is unnecessary and excluded during manual supply of the side plate (12), the plate grip unit (400) is, A lifting cylinder (410) installed vertically on the inner profile of the fixed frame (200) or the moving frame (300), a support rod (420) installed vertically on the front and rear of the lifting cylinder (410), a guide rail (432) having a predetermined length installed in the middle part of the upper surface, and a lifting plate (430) that rises and falls to a certain height by the operation of the lifting cylinder (410), a fixed body (451) fixedly installed on the upper front of the lifting plate (430) and formed with a rod hole (453) penetrating through the front, a contact cylinder (454) seated on the upper part of the fixed body (451) and extending and retracting the rod inserted through the rod hole (453), and the A front contact fixing part (450) that pulls the front of the two side plates (12) and the front of the front plate (14) located between them to the rear and closes them, is composed of a first support plate (456) that is coupled to the rod of the contact cylinder (454) and supports the lower part of the front plate (14) while being in close contact with the outer wall of the front plate (14), and a second support plate (458) that is in close contact with and supports the inner wall of the front plate (14) by the elasticity of a plurality of springs (457) embedded inside the fixing body (451); a rail block (462) that is coupled to the guide rail (432) of the lifting plate (430) is integrally formed on the bottom surface, and a third support plate (464) that supports the rear of the side plate (12) and the outer wall of the rear plate (16) is vertically installed on the upper rear side, and a rail block (462) that is coupled to the guide rail (432) of the lifting plate (430) is integrally formed on the bottom surface, and a third support plate (464) that supports the rear of the side plate (12) and the outer wall of the rear plate (16) is vertically installed on the upper rear side, and is seated and installed on the upper part of the moving plate (461). A rear contact fixing part (460) comprising a movable body (465) and a fourth support plate (468) that is in close contact with and supported by the inner wall of the rear plate (16) by means of the elasticity of a plurality of springs (467) embedded inside the movable body (465), wherein A drawer assembly system for furniture materials, characterized in that a connecting plate (481) is formed on the bottom surface of a moving plate (461) forming the rear close-fixing part (460) so as to protrude downward by a certain length, a screw block (482) is installed on the connecting plate (481), the front end of a control screw (483) coupled with the screw block (482) is fixed to a support plate (430') formed on the lower bottom surface of the lifting plate (430), and the rear end is formed to have a handle (484) integrally formed therein, so that the control screw (483) is rotated by operating the handle (484), allowing the moving plate (461) connected to the screw block (482) and the connecting plate (481) to move forward and backward along the guide rail (432), thereby allowing the position of the rear close-fixing part (460) to be changed to match the length of the side plate (12) being inserted.

Description

Drawer Assembly System for Furniture The present invention relates to a drawer assembly system for furniture materials that assembles a drawer mounted on furniture materials, and more specifically, to a drawer assembly system for furniture materials that can significantly improve the productivity of the drawer and the efficiency of the work by enabling automatic fastening and assembly of the side panels, front and rear panels, and bottom panel forming the drawer. As is well known, furniture is intended for displaying and storing various items, and is provided by processing it into a rectangular frame using mainly wooden planks. Depending on the intended use, shelves are installed inside or doors are installed on the open front to be used as drawers, shoe cabinets, wardrobes, and sinks. That is, the above furniture material is formed by fastening the upper and lower plates and side plates provided with a predetermined thickness and area to each other to form a square frame, then fixing the rear plate to the rear with a staple gun, installing shelves inside to partition the space, and installing a door that can be opened and closed at the front. In addition, a plurality of fixed rails are installed on the inner walls of both sides of the drawer and sink, and drawers are provided on pull-out rails on each side, so that the fixed rails of the drawer and sink and the pull-out rails of the drawers are combined so that the drawers can be easily pulled forward. The above drawer is provided in various sizes and areas suitable for drawer cabinets and sinks, and is provided in the form of a cuboid with an open top by fixing the side panels, front and rear panels, and bottom panel, which are provided with a certain thickness and area, with screws and staple pins. These conventional drawers had a problem of significantly reduced productivity and work efficiency because they are formed by a worker manually fastening the side panels and front and rear panels with screws to assemble them into a square frame, and then attaching a bottom plate, provided with a thin thickness and surface area, to the bottom of the square frame with a staple gun. FIG. 1 is a front view illustrating the entire drawer assembly system for furniture materials according to the present invention. FIG. 2 is a planar example illustrating the overall drawer assembly system for furniture materials according to the present invention. FIG. 3 is a left-side example diagram showing the overall drawer assembly system for furniture materials according to the present invention. FIG. 4 is a right-side example diagram showing the overall drawer assembly system for furniture materials according to the present invention. FIGS. 5 and 6 are front and plan view examples illustrating the main frame of a drawer assembly system for furniture materials according to the present invention. FIGS. 7 and FIGS. 8 are front and left side exemplary views illustrating a fixed frame of a drawer assembly system for furniture materials according to the present invention. FIGS. 9 and FIGS. 10 are front and right side exemplary views illustrating a movable frame of a drawer assembly system for furniture materials according to the present invention. FIGS. 11 and 12 are enlarged plan and front view examples showing a plate contact portion installed on a movable frame of a drawer assembly system for furniture materials according to the present invention. FIGS. 13 and 14 are front and left side exemplary views illustrating the installation state of the plate grip part, drive motor, lifting body, and screw fastening part of a drawer assembly system for furniture materials according to the present invention. FIGS. 15 to 17 are plan, front, and left side exemplary views illustrating the plate grip portion of a drawer assembly system for furniture materials according to the present invention. FIGS. 18 to 20 are plan, front, and left side exemplary views illustrating the state in which the lifting plate and the front contact fixing part forming the plate grip part of the drawer assembly system for furniture materials according to the present invention are separated. FIGS. 21 to 23 are plan, front, and left side exemplary views illustrating the state in which the lifting plate and the rear contact fixing part forming the plate grip part of the drawer assembly system for furniture materials according to the present invention are separated. FIG. 24 is a front view illustrating the plate grip portion of the drawer assembly system for furniture materials according to the present invention before and after operation. FIG. 25 is a left-side example diagram showing the plate grip portion of the drawer assembly system for furniture materials according to the present invention after operation. FIGS. 26 and 27 are exemplary drawings showing the front and left side views of the state in which the lifting body and the screw fastening part are lowered by driving the driving motor of the drawer assembly syst