Bending processing device for automotive interior panel

Abstract

The invention discloses a bending machining device for an automotive trim panel, and relates to the technical field of bending machining, the bending machining device comprises a workbench, a bending mechanism and a stripping mechanism, the bending mechanism is arranged on the workbench and used for bending the panel, and the stripping mechanism is arranged on the workbench and used for stripping the panel. And the stripping mechanism is arranged in the lower die of the bending mechanism and is used for upwards pushing the bent plate out of the lower die and keeping the bent plate not stuck. A plate is bent through the upper die and the lower die on the bending mechanism, after bending is completed, the plate is pushed out upwards from an extrusion groove of the lower die through the stripping mechanism, after the upper die is separated from the plate, the bent plate is automatically limited through stop blocks on the two sides of a push plate, the plate is prevented from moving at will, and the plate bending efficiency is improved. And finally, the plate can be conveniently taken down from the push plate by moving the lower pressing rod downwards, so that the plate can be conveniently taken down from the push plate.

Description

Technical Field

[0001] The invention relates to the technical field of bending processing, and in particular to a bending processing device for automobile interior trim panels. Background Art

[0002] A bending device is a mechanical device used to bend or fold materials (such as metal, plastic, paper, etc.). These devices are widely used in manufacturing, construction, metal processing, electronic product manufacturing and other fields. In the field of automobile manufacturing, some automobile interior panels need to be bent during production and processing to achieve the required shape. When processing the panels, the existing bending devices use a stripping mechanism to eject the panels from the groove of the mold, making it easy for workers to remove them. However, during the ejection process, the bent panels may fall and get stuck in the lower mold, causing damage to the panels and the mold and making it inconvenient for workers to remove the panels from the mold. Summary of the invention

[0003] The object of the present invention is to provide a bending processing device for automobile interior trim sheet materials to overcome the above-mentioned defects in the prior art.

[0004] A bending processing device for automobile interior trim sheet material, comprising a workbench, a bending mechanism and a stripping mechanism;

[0005] The bending mechanism is arranged on the workbench and is used to perform bending processing on the plate;

[0006] The stripping mechanism is arranged in the lower die of the bending mechanism and is used to push the bent sheet material upward from the lower die and keep it from getting stuck.

[0007] Preferably, the bending mechanism also includes a hydraulic cylinder and an upper mold, the lower mold is arranged on the workbench and has two tie rods thereon, the top of the two tie rods is provided with the same top plate, the cylinder body of the hydraulic cylinder is vertically installed on the top plate and the lower end of its piston rod is connected to the upper mold which is slidably connected to the tie rods, an arc-shaped pressure block is provided at the bottom of the upper mold, the lower mold is arranged on the workbench and has an extrusion groove which cooperates with the arc-shaped pressure block.

[0008] Preferably, the stripping mechanism includes a push rod, a push plate, a spring and a limit assembly. The push rods are provided with two and are slidably connected to the lower mold and located in the extrusion groove. The tops of the two push rods are connected to the same push plate, and the push plate is provided with an arc groove. The spring is provided on the push rod, and the limit assembly is provided on the push plate and is used to limit the bent sheet to prevent shaking and tilting.

[0009] Preferably, the limiting component includes a second spring, a stop block, a sliding plate and a lower pressing plate. The pushing plate is symmetrically provided with brackets on both sides of the arc-shaped groove. Each bracket is slidably connected with a sliding plate. The stop block is arranged at the inner end of the sliding plate and is provided with a first inclined surface thereon. The second spring is sleeved on the sliding plate and is located between the retaining disc on the sliding plate and the bracket. The lower pressing plate is slidably connected to the guiding block on the side surface of the pushing plate, and the upper end thereof is provided with an extrusion block inserted into the driving groove on the sliding plate. The extrusion block is provided with a second inclined surface, and the sliding plate is provided with a third inclined surface in the driving groove for cooperating with the second inclined surface. The two lower pressing plates are connected by a fixing plate slidably connected to the guiding groove on the pushing plate.

[0010] Preferably, the lower die is symmetrically provided with limiting blocks on both sides of the arc-shaped groove, and the limiting blocks are in a "U"-shaped structure.

[0011] Preferably, the pull rod is fixed to the top plate through a fastening nut.

[0012] Preferably, a lower pressing rod is provided on one side of the fixing plate.

[0013] The beneficial effects achieved by the present invention are as follows:

[0014] In this application, the upper die and the lower die on the bending mechanism are used to bend the sheet material. After the bending is completed, the sheet material is pushed upward from the extrusion groove of the lower die through the stripping mechanism. After the upper die is separated from the sheet material, the bent sheet material is automatically limited by the stop blocks on both sides of the pushing plate, preventing the sheet material from moving randomly and causing the sheet material to tilt and get stuck in the lower die, which may damage the sheet material and make it inconvenient to remove the sheet material. Finally, the sheet material can be conveniently removed from the pushing plate by moving the lower pressing rod downward. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of the whole of the present invention.

[0016] Figure 2 It is a top view of the lower die and the stripping mechanism of the present invention.

[0017] Figure 3 It is a schematic structural diagram of the stripping mechanism of the present invention.

[0018] Figure 4 It is a schematic structural diagram of the limiting component of the present invention.

[0019] Figure 5 is Figure 4 a partial enlarged view of A in

[0020] Figure 6 It is a schematic structural diagram of the lower pressing plate and the extrusion block of the present invention.

[0021] Figure 7 It is a schematic structural diagram of the sliding plate and the stop block of the present invention.

[0022] In the figure, 1 is a workbench; 2 is a bending mechanism; 21 is a lower die; 211 is a limit block; 22 is a pull rod; 23 is a top plate; 24 is a hydraulic cylinder; 25 is an upper die; 26 is an arc-shaped pressing block; 27 is an extrusion groove; 3 is a blanking mechanism; 31 is a push rod; 32 is a push plate; 321 is a guide groove; 33 is an arc-shaped groove; 34 is a first spring; 35 is a limit component; 351 is a bracket; 352 is a sliding plate; 3521 is a retaining disc; 3522 is a driving groove; 3523 is a third inclined surface; 353 is a stop block; 3531 is a first inclined surface; 354 is a second spring; 355 is a lower pressing plate; 3551 is a guide block; 3552 is an extrusion block; 3553 is a second inclined surface; 356 is a fixing plate; 3561 is a lower pressing rod. Specific embodiments

[0023] The following is a more detailed description of the specific embodiments of the present invention with reference to the accompanying drawings through the description of the embodiments, so as to help those skilled in the art have a more complete, accurate and in-depth understanding of the concept and technical solution of the present invention.

[0024] As Figure 1-7 shown, the present invention provides a bending processing device for automotive interior trim panels, including a workbench 1, a bending mechanism 2 and a blanking mechanism 3. The bending mechanism 2 is arranged on the workbench 1 and is used for bending the panels, and the blanking mechanism 3 is arranged in the lower die 21 of the bending mechanism 2 and is used for pushing the bent panels upward from the lower die 21 and keeping them from jamming.

[0025] It should be noted that the bending mechanism 2 further includes a hydraulic cylinder 24 and an upper die 25. The lower die 21 is arranged on the workbench 1 and is provided with two pull rods 22 thereon. The lower die 21 is symmetrically provided with limit blocks 211 in a "U" - shaped structure on both sides of the arc - shaped groove 33 to pre - position the unbent panels. The tops of the two pull rods 22 are provided with the same top plate 23. The pull rods 22 are fixed to the top plate 23 through fastening nuts, so as to facilitate the disassembly and assembly of the top plate 23 on the pull rods 22. The cylinder body of the hydraulic cylinder 24 is vertically installed on the top plate 23 and the lower end of its piston rod is connected to the upper die 25 which is slidably connected to the pull rod 22. The bottom of the upper die 25 is provided with an arc - shaped pressing block 26, and the lower die 21 is arranged on the workbench 1 and is provided with an extrusion groove 27 which cooperates with the arc - shaped pressing block 26.

[0026] In addition, the stripping mechanism 3 includes a push rod 31, a push plate 32, a spring 34 and a limit assembly 35. The push rod 31 is provided with two and is slidably connected to the lower mold 21 and is located in the extrusion groove 27. The tops of the two push rods 31 are connected to the same push plate 32. The push plate 32 is provided with an arc groove 33. The spring 34 is sleeved on the push rod 31. The limit assembly 35 is provided on the push plate 32 and is used to limit the bent sheet to prevent shaking and tilting. The limit assembly 35 includes a spring 2 354, a stopper 353, a slide plate 352 and a lower pressure plate 355. The push plate 32 is symmetrically provided with brackets 351 on both sides of the arc groove 33. Each bracket 351 is slidably connected to a slide plate 352. The stopper 353 is provided on the slide plate 35 2 and provided with an inclined surface 1 3531, the spring 2 354 is sleeved on the slide plate 352 and located between the baffle plate 3521 and the bracket 351 on the slide plate 352, the lower pressure plate 355 is slidably connected to the guide block 3551 on the side of the push plate 32 and its upper end is provided with an extrusion block 3552 inserted in the driving groove 3522 on the slide plate 352, the extrusion block 3552 is provided with an inclined surface 2 3553, the slide plate 352 is provided with an inclined surface 3523 in the driving groove 3522 that cooperates with the inclined surface 2 3553, the two lower pressure plates 355 are connected by a fixing plate 356 slidably connected to the guide groove 321 on the push plate 32, and a lower pressure rod 3561 is provided on one side of the fixing plate 356 to facilitate pressing down the fixing plate 356.

[0027] Specific implementation and principle:

[0028] First, place the sheet to be bent between the two limit blocks 211 of the lower die 21; then, control the piston rod of the hydraulic cylinder 24 to drive the upper die 25 and the arc-shaped pressing block 26 to move downward along the pull rod 22, and the arc-shaped pressing block 26 bends the sheet toward the extrusion groove 27 of the lower die 21, driving the push plate 32 to move downward, and the spring 1 34 on the push rod 31 is compressed. When the sheet contacts the stopper 353 on the push plate 32, the stopper 353 and the slide plate 352 are squeezed outward by the inclined surface 1 3531 on the stopper 353, and the spring 2 354 on the slide plate 352 is compressed, and finally the stopper 353 is located on the side above the sheet;

[0029] When the sheet is bent, the piston rod of the control hydraulic cylinder 24 drives the upper mold 25 and the arc-shaped pressing block 26 to move upward. Under the elastic force of the spring 1 34 on the push rod 31, the bent sheet moves upward under the push of the push plate 32. When the arc-shaped pressing block 26 at the bottom of the upper mold 25 is separated from the sheet, under the elastic force of the spring 2 354 on the slide plate 352, the two stoppers 353 limit the two sides of the sheet, and at the same time, the lower pressing plate 355 is driven to move upward through the extrusion block 3552.

[0030] Next, the worker presses the lower pressure plate 355 downward through the lower pressure rod 3561, so that the lower pressure plate 355 moves downward along the guide groove 321 on the push plate 32, and the extrusion block 3552 on the lower pressure plate 355 squeezes the slide plate 352 outward through the inclined surface 3553. When the lower pressure plate 355 contacts the bottom of the guide groove 321, the stop block 353 just separates from the sheet, and the worker removes the bent sheet from the lower mold 21.

[0031] To summarize, the present application bends the sheet through the upper mold 25 and the lower mold 21 on the bending mechanism. After the bending is completed, the sheet is pushed upward from the extrusion groove 27 of the lower mold 21 through the stripping mechanism 3. After the upper mold 25 is separated from the sheet, the bent sheet is automatically limited by the blocks 353 on both sides of the push plate 32 to prevent the sheet from moving at will, causing the sheet to tilt and get stuck in the lower mold 21, causing damage to the sheet and making it inconvenient to remove the sheet. Finally, the sheet can be easily removed from the push plate 32 by moving the lower pressure rod 3561 downward.

[0032] The above-described embodiments of the present invention do not constitute a limitation on the protection scope of the present invention. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A bending processing device for automobile interior trim sheet, characterized in that: It includes a workbench (1), a bending mechanism (2) and a blanking mechanism (3); The bending mechanism (2) is arranged on the workbench (1) and is used for bending the sheet material; The blanking mechanism (3) is arranged in the lower die (21) of the bending mechanism (2) and is used for pushing the bent sheet material upward from the lower die (21) and keeping it from jamming.

2. The bending processing device for automobile interior trim sheet according to claim 1 is characterized in that: The bending mechanism (2) further includes a hydraulic cylinder (24) and an upper die (25). The lower die (21) is arranged on the workbench (1), and two pull rods (22) are arranged thereon. The same top plate (23) is arranged at the tops of the two pull rods (22). The cylinder body of the hydraulic cylinder (24) is vertically installed on the top plate (23), and the lower end of its piston rod is connected to the upper die (25) which is slidably connected to the pull rod (22). An arc-shaped pressing block (26) is arranged at the bottom of the upper die (25). The lower die (21) is arranged on the workbench (1), and an extrusion groove (27) which cooperates with the arc-shaped pressing block (26) is arranged thereon.

3. The bending processing device for automobile interior trim sheet according to claim 2 is characterized in that: The blanking mechanism (3) includes a push rod (31), a push plate (32), a first spring (34) and a limiting component (35). Two push rods (31) are arranged and are slidably connected in the lower die (21) and are located in the extrusion groove (27). The same push plate (32) is connected to the tops of the two push rods (31). An arc-shaped groove (33) is arranged on the push plate (32). The first spring (34) is sleeved on the push rod (31). The limiting component (35) is arranged on the push plate (32) and is used for limiting the bent sheet material to avoid shaking and tilting.

4. The bending processing device for automobile interior trim sheet according to claim 3 is characterized in that: The limiting component (35) includes a second spring (354), a stop block (353), a sliding plate (352) and a lower pressing plate (355). Brackets (351) are symmetrically arranged on both sides of the arc-shaped groove (33) of the push plate (32). A sliding plate (352) is slidably connected to each bracket (351). The stop block (353) is arranged at the inner end of the sliding plate (352), and a first inclined surface (3531) is arranged thereon. The second spring (354) is sleeved on the sliding plate (352) and is located between the retaining disc (3521) on the sliding plate (352) and the bracket (351). The lower pressing plate (355) is slidably connected to the guiding block (3551) on the side of the push plate (32), and an extrusion block (3552) which is inserted into the driving groove (3522) on the sliding plate (352) is arranged at its upper end. A second inclined surface (3553) is arranged on the extrusion block (3552). A third inclined surface (3523) which cooperates with the second inclined surface (3553) is arranged in the driving groove (3522) of the sliding plate (352). The two lower pressing plates (355) are connected through a fixing plate (356) which is slidably connected to the guiding groove (321) on the push plate (32).

5. The bending processing device for automobile interior trim sheet according to claim 2 is characterized in that: Limiting blocks (211) are symmetrically arranged on both sides of the arc-shaped groove (33) of the lower die (21), and the limiting blocks (211) are of a "U"-shaped structure.

6. The bending processing device for automobile interior trim sheet according to claim 2 is characterized in that: The pull rod (22) is fixed to the top plate (23) through a fastening nut.

7. The bending processing device for automobile interior trim sheet according to claim 4 is characterized in that: A lower pressing rod (3561) is arranged on one side of the fixing plate (356).

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