CN-224211326-U - Sealing machine with improved sealing layering structure

Abstract

The utility model discloses a sealing machine with an improved sealing layering structure, wherein an upper machine body or a lower machine body is provided with a frame strip made of metal materials in an integrated mode, the frame strip is used for fastening and installing adhesive tapes, the cross section of the frame strip in the length direction is U-shaped, the frame strip comprises a back plate and two side edges formed by bending, an included angle a is formed between the side edges and the back plate, the included angle a is 80-89 degrees, a clamping cavity is formed by semi-surrounding the back plate and the two side edges, a fastening connecting part is formed at the center line position of the top surface of the adhesive tape, the width of the fastening connecting part is smaller than that of the adhesive tape, two sides of the adhesive tape are respectively formed into a limiting shoulder, the assembling part is embedded into the clamping cavity, the side edges of the two side edges are matched and clamped and connected with the fastening connecting part, and the edges of the two side edges are respectively abutted against the corresponding limiting shoulders. Compared with the prior art, the assembly difficulty of the adhesive tape can be simplified, and the assembly stability of the adhesive tape is improved.

Inventors

• CAO DONGHUA
• LIAO JIANXIN

Assignees

• 东莞市骏能电子科技有限公司

Dates

Publication Date

20260508

Application Date

20250508

Claims (10)

1. 1. The sealing machine with the improved sealing layering structure comprises an upper machine body (91) and a lower machine body (92) which are connected through a hinge, a heat sealing mechanism consisting of an adhesive tape (2) and a heating strip (921) is arranged between the covering matching surfaces of the upper machine body and the lower machine body, when the upper machine body (91) and the lower machine body (92) are mutually covered, the adhesive tape (2) and the heating strip (921) are in clamping fit, and the sealing machine is characterized in that the upper machine body (91) or the lower machine body (92) is provided with a frame strip (1) which is made of metal materials and is used for fastening and installing the adhesive tape (2), the cross section of the frame strip (1) along the length direction is U-shaped, the sealing machine comprises a back plate and two side edges (101) which are formed by bending, an included angle a is formed between the side edges (101) and the back plate, the included angle a is 80-89 degrees, and the two side edges (101) are semi-enclosed to form a clamping cavity (10); The central line position shaping of the top surface of adhesive tape (2) has fastening connection portion (21), and fastening connection portion (21)'s width is less than adhesive tape (2) to form adhesive tape (2) of "word" shape, the both sides of adhesive tape (2) form a spacing shoulder (22) respectively, and assembly portion embedding is in tight chamber (10) of clamp, and side (101) cooperation clamp connection fastening connection portion (21) of both sides, and the edge of these two sides (101) is contradicted in corresponding spacing shoulder (22) respectively.
2. 2. The sealing machine with the improved sealing layering structure according to claim 1, wherein a fastening connection hole (11) is formed in the middle position of the back plate, a fastening screw (911) is connected between the fastening connection hole (11) and the upper machine body (91) or the lower machine body (92), the frame strip (1) is fixedly installed on the upper machine body (91) or the lower machine body (92) through the fastening screw (911), a positioning hole (20) is formed in the middle position of the top surface of the fastening connection portion (21), and the end portion of the fastening screw (911) is inserted into the positioning hole (20).
3. 3. The sealing machine with the improved sealing layering structure of claim 2, wherein the length of the frame strip (1) is larger than that of the adhesive tape (2), after the adhesive tape (2) is assembled, two ends of the frame strip (1) are respectively left to form side connecting parts, the side connecting parts are provided with side connecting holes (12), the side connecting holes (12) at two ends are respectively inserted with side end screws (912), and the side end screws (912) at two ends are respectively connected with the corresponding upper machine body (91) or the lower machine body (92) in a threaded mode.
4. 4. A sealing machine with improved sealing bead structure according to claim 3, wherein the bottom surface of the rubber strip (2) is provided with a pattern surface (20) for improving clamping friction and preventing displacement of the sealing bag.
5. 5. The sealing machine with the improved sealing layering structure according to claim 1, further comprising a vacuum pumping cavity (3), wherein the vacuum pumping cavity (3) is connected with a vacuum pumping pump, the vacuum pumping cavity (3) is assembled on a covering matching surface of the upper machine body (91) or the lower machine body (92), a pressing rubber ring (31) is arranged around an opening of the vacuum pumping cavity (3), the pressing rubber ring (31) is located at the rear side of the rubber strip (2), the covering matching surface of the upper machine body (91) or the lower machine body (92) is provided with another pressing rubber ring (31), and when the upper machine body (91) and the lower machine body (92) are covered, the two pressing rubber rings (31) are in overlapping pressing fit to form a compact vacuum pumping chamber.
6. 6. The sealing machine with improved sealing layering structure according to claim 5, wherein the sealing machine is further provided with an air nozzle device (8), the air nozzle device (8) is arranged on the upper machine body (91) or the lower machine body (92), the air nozzle device (8) comprises a telescopic driving device (80) and an air nozzle (8), the air nozzle (8) is in telescopic movable fit towards the vacuum pumping cavity (3) and is in transmission connection with the telescopic driving device (80), The sealing machine is provided with a pattern surface (20) bag mode and a smooth surface bag mode, When the sealing machine is in a pattern surface (20) bag mode, the air nozzle (8) is in a retracted state, and the front end of the air nozzle (8) is retracted to the rear side of the compacting rubber ring (31); when the sealing machine is in a smooth surface bag mode, the air nozzle (8) is in an extending state, and the front end of the air nozzle (8) extends to at least the front side of the pressing rubber ring (31).
7. 7. The sealing machine with improved sealing bead structure according to claim 6, wherein when the sealing machine is in a smooth bag mode, the air tap (8) is provided with a vacuumizing state and a heat sealing state, The air nozzle (8) is in a vacuumizing state, and the front end of the air nozzle (8) extends to the front sides of the adhesive tape (2) and the heating strip (921); The air tap (8) is in a heat sealing state, and the front end of the air tap (8) is retracted to a position between the adhesive tape (2) and the compacting rubber ring (31).
8. 8. The sealing machine with the improved sealing layering structure of claim 7, wherein the interior of the air tap (8) is hollowed to form an inner air passage, a first air port (81) is formed in the front end of the air tap (8), a second air port (82) is formed in the middle position of the air tap (8), the first air port (81) and the second air port (82) are respectively communicated with the inner air passage, When the air tap (8) is in the vacuumizing state, the first air port (81) is positioned at the front side of the rubber strip (2) and the heating strip (921), and the second air port (82) is positioned in the vacuumizing cavity; When the air tap (8) is in the heat sealing state, the first air port (81) is positioned between the adhesive tape (2) and the compacting rubber ring (31), and the second air port (82) is kept in the vacuum pumping cavity.
9. 9. The sealing machine with the improved sealing layering structure of claim 8, wherein the backboard forms a boss (102) through a blanking process, the boss (102) is arranged to protrude towards the clamping cavity (10), the boss (102) is aligned to the air tap (8) up and down and used for reinforcing and pressing the adhesive tape (2), and the boss (102) is 0.2mm-2mm in boss height h.
10. 10. The sealing machine with improved sealing layering structure according to claim 8, wherein at least one protruding portion (103) is formed on the inner side surface of the back plate, the protruding portions (103) are identical in protruding height, the protruding portions (103) are distributed at intervals along the length direction of the back plate respectively, reinforcing propping portions are formed in a combined mode, and the reinforcing propping portions are aligned with the air tap (8) vertically and serve as reinforcing propping portions for pressing the adhesive tape (2).

Description

Sealing machine with improved sealing layering structure Technical Field The utility model relates to the technical field of vacuum sealing machines, in particular to a sealing machine with an improved sealing layering structure. Background The vacuum sealing machine is a machine for packaging and sealing, and has the main functions of filling food into packaging bags, pumping air in the bags through a vacuum pump, and completing sealing procedures after reaching a preset vacuum degree, so that the vacuum sealing machine is suitable for various foods, meat products and the like. The common vacuum sealing machine generally comprises an upper machine body and a lower machine body which are rotationally connected through a hinge, wherein the cover matching surfaces of the upper machine body and the lower machine body are respectively provided with an adhesive tape and a heating strip so as to compress the mouth of the packaging bag, thereby carrying out vacuumizing and heat sealing treatment. The layering is assembled and positioned through the frame strip made of metal, and the adhesive tape is embedded in the frame strip and then fixed through a bolt or a back-off structure. The adhesive tape in the sealing pressing strip structure is assembled in a multi-point fastening mode, but after long-term use, the adhesive tape still can be partially detached, even if the connecting point is torn, the assembly strength of the adhesive tape is low, and in addition, the multi-point fastening mode is complex, so that the assembly period of the whole machine is not facilitated to be shortened. Disclosure of utility model Aiming at the defects existing in the prior art, the utility model aims to provide the sealing machine with an improved sealing layering structure, so that the clamping assembly between the adhesive tape and the frame strip is realized, the fastening connection point of the adhesive tape is even and reliable, the assembly strength is high, the adhesive tape is not easy to fall off, the installation is simpler, and the assembly period of the whole machine is shortened. In order to achieve the above purpose, the sealing machine with the improved sealing layering structure comprises an upper machine body and a lower machine body which are connected through a hinge, a heat sealing mechanism consisting of an adhesive tape and a heating strip is arranged between the cover matching surfaces of the upper machine body and the lower machine body, when the upper machine body and the lower machine body are mutually covered, the adhesive tape and the heating strip are in clamping fit, the upper machine body or the lower machine body is provided with a frame strip made of metal materials and used for fastening and installing the adhesive tape, the cross section of the frame strip along the length direction is U-shaped, the frame strip comprises a back plate and two side edges formed by bending, an included angle a is formed between the side edges and the back plate, the included angle a is 80-89 degrees, a clamping cavity is formed by semi-surrounding the back plate and the two side edges, a fastening connecting part is formed at the center line position of the top surface of the adhesive tape, the width of the fastening connecting part is smaller than that of the adhesive tape, two sides of the adhesive tape are respectively formed with a limiting shoulder, the assembling part is embedded in the clamping cavity, the two side edges are in clamping connection with the fastening connecting part in a clamping mode, and the two side edges are respectively abutted against the corresponding limiting shoulder. In a further technical scheme, a fastening connecting hole is formed in the middle position of the backboard, a fastening screw is connected between the fastening connecting hole and the upper machine body or the lower machine body, the frame strip is fixedly arranged on the upper machine body or the lower machine body through the fastening screw, a positioning hole is formed in the middle position of the top surface of the fastening connecting part, and the end part of the fastening screw is inserted into the positioning hole. In a further technical scheme, the length of the frame strip is greater than that of the adhesive tape, after the adhesive tape is assembled, two ends of the frame strip are respectively left to form side connecting parts, one side connecting holes are formed in the side connecting parts, one side end screw rods are respectively inserted into the side connecting holes at two ends, and the side end screw rods at two ends are respectively in threaded connection with the corresponding upper machine body or the lower machine body. In a further technical scheme, the bottom surface of the adhesive tape is formed with a grain surface so as to improve clamping friction and prevent the displacement of the sealing bag. In a further technical scheme, the vacuum pump is connected to the vacuum cavity, the v