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CN-121551497-B - Furniture frame bending device and method

CN121551497BCN 121551497 BCN121551497 BCN 121551497BCN-121551497-B

Abstract

The invention relates to the technical field of furniture processing, in particular to a furniture frame bending device and a furniture frame bending method, comprising a workbench, wherein a bending device and an extruding plate are arranged on the workbench, an auxiliary wheel is arranged at the top of the workbench, an auxiliary moving mechanism and a displacement compensation mechanism are also arranged on the workbench, the auxiliary moving mechanism is used for limiting and restraining the whole length of a furniture frame, the displacement compensation mechanism is used for counteracting material displacement deviation in the bending process, according to the furniture frame bending device and method, the folding wing plate of the auxiliary moving mechanism is matched with the rotating wheel, full-length limiting and uniform compaction of the furniture frame are achieved, the elastic action of the first spring is adapted to frames with different thicknesses and materials, displacement caused by single constraint is avoided, friction between the frames and the device is reduced by the rotating wheel, transverse deflection and surface scratches during bending are effectively prevented, and the surface integrity and the reference consistency of frame processing are improved.

Inventors

  • MA YUEPENG
  • ZHU ZIYANG
  • WANG NA
  • LIU HONGYANG
  • ZHOU NA
  • LIU HUINAN

Assignees

  • 沈阳久顺家俱有限公司

Dates

Publication Date
20260512
Application Date
20260121

Claims (6)

  1. 1. The furniture frame bending device comprises a workbench (1) and is characterized in that a bending device (2) and an extruding plate (3) are arranged on the workbench (1), an auxiliary wheel (4) is arranged at the top of the workbench (1), an auxiliary moving mechanism (5) and a displacement compensation mechanism (6) are further arranged on the workbench (1), the auxiliary moving mechanism (5) is used for limiting and restraining the whole length of a furniture frame, and the displacement compensation mechanism (6) is used for counteracting material displacement deviation in the bending process; The displacement compensation mechanism (6) comprises a contact plate (65) arranged on the side edge of the extrusion plate (3), a sleeve (69) is arranged on the side edge of the extrusion plate (3), a sliding rod (610) is movably arranged on the inner side of the sleeve (69), a contact head (68) is arranged at the end part of the sliding rod (610), and a second spring (611) is sleeved on the outer side of the sliding rod (610); The side of stripper plate (3) is provided with connecting rod (612), the tip of connecting rod (612) is provided with dwang (616), the tip and the outside activity of dwang (616) are provided with connecting cylinder (67), the tip of connecting cylinder (67) is provided with cylinder (62) of installing in workstation (1) top, the top of workstation (1) is provided with air pressure check out test set (61), the side of air pressure check out test set (61) is provided with double-end gas-receiving pipe (63), be provided with hose one (64) between double-end gas-receiving pipe (63) and cylinder (62); a limiting block (614) is arranged between the inner side of the connecting cylinder (67) and the rotating rod (616), the side edge of the limiting block (614) is movably arranged on the outer side of the rotating rod (616), a piston plate (615) movably connected with the connecting cylinder (67) is arranged on the outer surface of the rotating rod (616), a torsion spring (613) connected with the end part of the connecting cylinder (67) is sleeved on the outer side of the rotating rod (616), and a hose II (66) penetrating through the connecting cylinder (67) is arranged at the end part of the double-end gas receiving pipe (63).
  2. 2. The furniture frame bending device of claim 1, wherein the auxiliary moving mechanism (5) comprises an L-shaped plate (51) arranged at the top of the workbench (1), a fixing plate (55) is arranged on the L-shaped plate (51), a screw rod (54) is connected to the fixing plate (55) in a threaded mode, a knob (53) is arranged at one end of the screw rod (54), and a lifting plate (52) is movably arranged at the other end of the screw rod (54).
  3. 3. The bending device for furniture frames according to claim 2, characterized in that a vertical groove (56) and a horizontal groove (57) are formed in the side edge of the L-shaped plate (51), the lifting plate (52) is movably arranged on the inner side of the vertical groove (56), a moving rod (58) is arranged in the horizontal groove (57) in a sliding mode, and a rotating wheel (59) is rotatably arranged at the end portion of the moving rod (58).
  4. 4. The furniture frame bending device as set forth in claim 3, wherein a connector (512) is disposed at the top of the lifting plate (52), the connector (512) is movably disposed at the inner side of the auxiliary wheel (4), a folding wing plate (510) is sleeved at the outer side of the connector (512), a movable rod (513) is movably disposed at the side edge of the folding wing plate (510), a collar (511) is sleeved at the outer side of the movable rod (58), a movable cylinder (514) is movably disposed at the outer side of the collar (511), and the outer side of the movable rod (513) is movably disposed at the inner side of the movable cylinder (514).
  5. 5. The bending device for a furniture frame according to claim 4, wherein the outer sides of the movable rod (513) and the movable cylinder (514) are respectively sleeved with a limiting ring (515), the outer sides of the movable rod (513) and the movable cylinder (514) are respectively sleeved with a first spring (516), and two ends of the first spring (516) are respectively arranged at the end parts of the two limiting rings (515).
  6. 6. The furniture frame bending method is suitable for the furniture frame bending device as claimed in claim 5, and is characterized by comprising the following steps: The method comprises the steps of S1, placing a furniture frame to be bent on a workbench (1) to enable the furniture frame to be bent to be attached to a reference surface of a bending device (2), rotating a knob (53) at the end of a screw rod (54), driving a lifting plate (52) to move downwards along a vertical groove (56) of an L-shaped plate (51) until a rotating wheel (59) is attached to the upper surface of the frame, simultaneously expanding a folding wing plate (510) under the elastic action of a first spring (516), and realizing full-length limit on two sides of the frame through the cooperation of a movable rod (513) and a movable cylinder (514) so as to avoid transverse deflection during bending; S2, starting a bending device (2), moving an extruding plate (3) towards the frame to carry out bending operation, triggering a contact head (68) or a contact plate (65) of a displacement compensation mechanism (6) if the frame is displaced in the bending process, sliding a sliding rod (610) along a sleeve (69) and compressing a second spring (611), monitoring the air pressure change in an air cylinder (62) and a connecting cylinder (67) in real time by an air pressure detection device (61) through a first hose (64) and a second hose (66), driving a piston plate (615) to drive a rotating rod (616) to finely adjust, and counteracting displacement deviation by elastic restoring force of a torsion spring (613); S3, after the bending reaches a preset angle, the bending device (2) and the extrusion plate (3) reversely reset, the knob (53) is reversely rotated, the lifting plate (52) moves upwards to release the compression of the frame, the folding wing plate (510) is folded under the action of the first spring (516), the rotating wheel (59) reduces friction resistance when the piece is taken out, and at the moment, the second spring (611) and the torsion spring (613) of the displacement compensation mechanism (6) drive each part to reset, so that the bent furniture frame can be taken out, and single operation is completed.

Description

Furniture frame bending device and method Technical Field The invention relates to the technical field of furniture processing, in particular to a furniture frame bending device and method. Background The furniture frame is used as a core component of the furniture structure and appearance, the processing precision and the efficiency of the furniture frame directly determine the assembly stability, the aesthetic effect and the service life of the furniture, the furniture frame is widely applied to solid wood furniture, plate type furniture, metal frame furniture and other products, key components such as wardrobe, cabinet, sofa frame, table and chair frame and the like are covered, along with the customization and high-end transformation of the furniture industry, the market puts forward strict requirements on the radian diversity, the angle consistency and the surface integrity of frame bending, and the bending device becomes key equipment of a furniture manufacturing industry chain. In the actual operation process of the prior furniture frame bending device, the defect of insufficient positioning and fixing reliability of bending materials is a prominent problem, and most of clamping mechanisms of the prior device are single plane compression or end limiting structures, so that uniform constraint on the whole length of materials is lacked, and self-adaptive clamping structures are not designed for frame materials with different thicknesses and materials, and when in bending, the materials are subjected to bending force to easily generate sliding or transverse deflection along the length direction, so that bending references are deviated; The displacement phenomenon directly affects the processing quality, so that the bending angle precision of the furniture frame is reduced, the radian consistency is poor, additional grinding and adjustment are needed during subsequent assembly, the labor cost and the material waste are increased, and defects such as scratches, indentations and the like are caused on the frame surface due to displacement. Disclosure of Invention The technical problem to be solved by the application is how to design a furniture frame bending device and method through the cooperation of full-length limit constraint and a real-time displacement compensation mechanism. In order to solve the technical problems, the embodiment of the application provides a furniture frame bending device and a furniture frame bending method, which comprise a workbench, wherein a bending device and an extrusion plate are arranged on the workbench, an auxiliary wheel is arranged at the top of the workbench, an auxiliary moving mechanism and a displacement compensation mechanism are further arranged on the workbench, the auxiliary moving mechanism is used for limiting and restraining the whole length of the furniture frame, and the displacement compensation mechanism is used for counteracting material displacement deviation in the bending process. In some embodiments, the auxiliary moving mechanism comprises an L-shaped plate arranged at the top of the workbench, a fixed plate is arranged on the L-shaped plate, a screw is connected to the fixed plate in a threaded manner, a knob is arranged at one end of the screw, and a lifting plate is movably arranged at the other end of the screw. In some embodiments, the side of L template has seted up perpendicular groove and horizontal groove, the lifter plate activity sets up in the inboard in perpendicular groove, the horizontal inslot slides and is provided with the movable rod, the rotation wheel is installed in the rotation of movable rod tip. In some embodiments, the top of lifter plate is provided with the connector, the connector activity sets up in the inboard of auxiliary wheel, the outside cover of connector is equipped with folding pterygoid lamina, the side activity of folding pterygoid lamina is provided with the movable rod, the outside cover of movable rod is equipped with the lantern ring, the activity of lantern ring outside is provided with movable tube, the outside activity of movable rod sets up in the inboard of movable tube. In some embodiments, the outer sides of the movable rod and the movable cylinder are respectively sleeved with a limiting ring, the outer sides of the movable rod and the movable cylinder are sleeved with a first spring, and two ends of the first spring are respectively arranged at the end parts of the two limiting rings. In some embodiments, the displacement compensation mechanism comprises a contact plate arranged on the side edge of the extrusion plate, a sleeve is arranged on the side edge of the extrusion plate, a sliding rod is movably arranged on the inner side of the sleeve, a contact head is arranged at the end part of the sliding rod, and a spring II is sleeved on the outer side of the sliding rod. In some embodiments, the side of stripper plate is provided with the connecting rod, the tip of connecting rod is provided wi