Leather flanging device and flanging method for injection-molded parts

Abstract

This invention discloses a leather flanging device and method for injection-molded parts, including a base, a positioning fixture mounted on the base, a flanging mechanism mounted on the base for flanging the product on the positioning fixture, and a clamping mechanism mounted on the base for pressing the product on the positioning fixture. Advantages: The entire device can first clamp the injection-molded part using the clamping mechanism, and then use the flanging mechanism to flanging the leather edge of the injection-molded part. This effectively ensures the stability of the entire injection-molded part during flanging, thereby improving the efficiency of leather flanging. The entire clamping mechanism is divided into a first clamping component and a second clamping component, which are located at both ends of the positioning groove, respectively, and position and clamp the two ends of the injection-molded part. This ensures that the two ends of the injection-molded part do not warp during the leather flanging process, thus ensuring smooth leather flanging.

Description

Technical Field

[0001] This invention relates to the field of automotive parts, specifically to a leather flanging device and method for injection molded parts. Background Technology

[0002] Automotive interior parts are mainly made of injection molded components, with leather hot-pressed onto the edges. To ensure the leather protruding from the injection molded edge is rolled up to improve the product's aesthetics, the leather needs to be rolled up. Existing rolling up devices cannot directly roll up the leather on the injection molded edge, resulting in low rolling efficiency.

[0003] In the prior art, there are some flanging fixtures for automotive parts. For example, Chinese patent document CN111299452A discloses a flanging fixture for a control arm of an automotive suspension system. This fixture pre-places a flanging block inside a long, narrow through hole in the control arm, then uses a lower die device to press the workpiece, and finally uses a cylinder to drive a push plate to push the flanging block into the circular through hole, and uses a push rod to push the flanging block out, thereby achieving the outward flanging of the edge of the circular through hole in the control arm. Although this solution achieves the flanging operation of a specific metal part (control arm), its structural design and flanging principle are mainly aimed at flanging the opening of a metal sheet, and deformation is achieved through a special flanging block.

[0004] However, the process requirements for flanging leather edges on injection-molded parts are drastically different from those for metal parts. Leather is a soft material that needs to be bent to conform to the contours of the injection-molded part, making it unsuitable for the flanging methods described above, which involve deformation through rigid block compression. Currently, flanging operations on the edges of injection-molded parts mostly rely on manual labor or relatively simple mechanical devices. These devices often struggle to effectively and stably position and clamp the injection-molded part during the flanging process. Especially for longer or more complex injection-molded parts, the ends are prone to warping or displacement under the flanging force, leading to uneven flanging, low efficiency, and even damage to the leather or the injection-molded part, making it difficult to guarantee product quality and consistency.

[0005] Therefore, it is necessary to provide a leather flanging device and flanging method for injection molded parts. Summary of the Invention

[0006] The present invention provides a leather flanging device and method for injection molded parts, which effectively solves the problem of low flanging efficiency of existing devices.

[0007] The technical solution adopted in this invention is: a leather flanging device for injection molded parts, including a base, a positioning fixture set on the base, a flanging mechanism set on the base for flanging the product on the positioning fixture, and a pressing mechanism set on the base for pressing the product on the positioning fixture.

[0008] Furthermore, the positioning fixture is provided with a positioning groove, the product is located on the positioning groove, the positioning groove includes a bottom wall and side walls connected to both sides of the bottom wall, and the positioning groove is open at both ends.

[0009] Furthermore, the pressing mechanism is located at both ends of the positioning groove, namely the No. 1 pressing component and the No. 2 pressing component. The No. 1 pressing component includes a No. 1 mounting base on the base, a No. 1 motor on the No. 1 mounting base, a rotating frame on the rotating shaft of the No. 1 motor, and a No. 1 pressing block on the rotating frame. The No. 1 motor drives the rotating frame to drive the No. 1 pressing block to vertically press one end of the product in the positioning groove.

[0010] Furthermore, the second pressing component includes a second mounting block on the base, a second cylinder on the second mounting block, and a second push plate at the output end of the second cylinder. The second cylinder drives the second push plate to press the other end of the product in the positioning groove.

[0011] Furthermore, the number of the flanging mechanisms is several, and each flanging mechanism includes a first mounting block set on the base, a first cylinder A set vertically on the first mounting block, a first plate set at the output end of the first cylinder, a first cylinder B set horizontally on the first plate, and a first push plate set at the output end of the first cylinder B. The first push plate is provided with several pairs of clearance holes for product protrusion clearance.

[0012] Furthermore, the first mounting block includes a vertical block and a horizontal block disposed on the upper end of the vertical block. The horizontal block is provided with a screw hole vertically. The flanging mechanism also includes a screw rod that is threadedly connected to the screw hole. The upper end of the screw rod protrudes from the upper end face of the horizontal block.

[0013] Furthermore, the number of positioning fixtures is two.

[0014] Furthermore, the base includes a base plate and handles disposed on both sides of the base plate.

[0015] Furthermore, the positioning fixture includes a first support block, a second support block, and a third support block that are bolted to the base. The first support block and the third support block are located on both sides of the second support block. The first support block is provided with a first groove, the second support block is provided with a second groove, and the third support block is provided with a third groove. The first groove, the second groove, and the third groove form the positioning groove.

[0016] The method for flanging the leather edge of injection molded parts involves using the aforementioned leather flanging device for injection molded parts. The flanging mechanism and the clamping mechanism are opened, the product is placed on the positioning fixture, and then the injection molded part is clamped by the clamping mechanism. Subsequently, the leather edge of the injection molded part is flanged by the flanging mechanism.

[0017] Beneficial effects of the invention: 1. The entire device can first press the injection molded part with the pressing mechanism, and then use the flanging mechanism to flanging the leather edge of the injection molded part. This can effectively ensure the stability of the entire injection molded part during the flanging process and improve the efficiency of leather flanging.

[0018] 2. The entire clamping mechanism is divided into clamping component one and clamping component two. Clamping component one and clamping component two are located at both ends of the positioning groove, respectively, and clamp the two ends of the injection molded part. This ensures that the two ends of the injection molded part will not warp during the leather flanging process, thus ensuring that the leather flanging can be carried out smoothly.

[0019] 3. The flanging mechanism uses cylinder A and cylinder B working together to enable the push plate to both push the leather horizontally and press it down. Compared with the method of using two separate horizontal moving mechanisms and pressing mechanisms, the flanging mechanism of this application is more integrated and can quickly achieve leather folding and pressing to achieve the leather flanging effect.

[0020] 4. The positioning fixture uses multiple support blocks (first support block, second support block and third support block) to achieve modular installation. This allows the positioning fixture to change the structure of the support blocks in a timely manner according to the shape of different products, so as to achieve the purpose of adapting to the products. Attached Figure Description

[0021] Figure 1 This is an overall schematic diagram of the leather flanging device for injection molded parts provided in the embodiments of this application.

[0022] Figure 2 A schematic diagram of the base, clamping assembly 1, and product of the leather flanging device for injection molded parts provided in the embodiments of this application.

[0023] Figure 3 This is a schematic diagram of the second clamping component and the flanging mechanism of the leather flanging device for injection molded parts provided in the embodiments of this application.

[0024] Figure 4 This is a schematic diagram of a positioning fixture for a leather flanging device for injection molded parts provided in an embodiment of this application.

[0025] The markings in the diagram are as follows: 1. Base; 2. Positioning fixture; 3. Flanging mechanism; 4. Clamping mechanism; 201. Bottom wall; 202. Side wall; 41. Clamping assembly No. 1; 42. Clamping assembly No. 2; 411. Motor No. 1; 412. Mounting base No. 1; 413. Rotating frame; 414. Clamping block No. 1; 421. Push plate No. 2; 422. Cylinder No. 2; 31. Mounting block No. 1; 32. Cylinder A No. 1; 33. Flat plate No. 1; 34. Cylinder B No. 1; 35. Push plate No. 1; 36. Screw; 11. Base plate; 12. Handle; 21. First support block; 22. Second support block; 23. Third support block; 100. Product. Detailed Implementation

[0026] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0027] like Figure 1 As shown, the first embodiment provided in this application is a leather flanging device for injection molded parts, including a base 1, a positioning fixture 2 disposed on the base 1, a flanging mechanism 3 disposed on the base 1 for flanging the product 100 on the positioning fixture 2, and a pressing mechanism 4 disposed on the base 1 for pressing the product 100 on the positioning fixture 2.

[0028] In actual use, the product 100 is placed on the positioning fixture 2, and then the two ends of the product 100 are pressed by the clamping mechanism 4. Then the leather edge of the injection molded part is turned over by the flanging mechanism 3.

[0029] The above design enables the leather edges of the injection molded parts to be rolled up, thereby ensuring that the injection molded parts are easy to weld and fix with leather later.

[0030] Specifically: such as Figure 4 As shown, the positioning fixture 2 is provided with a positioning groove, and the product 100 is located on the positioning groove. The positioning groove includes a bottom wall 201 and side walls 202 connected to both sides of the bottom wall 201. The positioning groove is open at both ends.

[0031] In actual use, the injection molded part is placed on the positioning groove, so that the leather on the edge of the injection molded part protrudes from the edge of the positioning groove. Then, the flanging mechanism 3 pushes the leather protruding from the edge of the positioning groove to achieve flanging.

[0032] In the above design, the structural design and specific implementation of the positioning fixture 2 facilitate the support of the product 100.

[0033] Specifically: such as Figure 1 , Figure 2 and Figure 3As shown, the pressing mechanism 4 is located at both ends of the positioning groove, namely the first pressing component 41 and the second pressing component 42. The first pressing component 41 includes a first mounting base 412 on the base 1, a first motor 411 on the first mounting base 412, a rotating frame 413 on the rotating shaft of the first motor 411, and a first pressing block 414 on the rotating frame 413. The first motor 411 drives the rotating frame 413 to drive the first pressing block 414 to vertically press one end of the product 100 in the positioning groove.

[0034] In actual use, after product 100 is placed in the positioning groove, the first clamping component 41 and the second clamping component 42 clamp both ends of the injection molded part of product 100, thereby ensuring that the injection molded part of product 100 is fixed. Then, the flanging mechanism 3 can flanging the leather located at the edge of the injection molded part. When product 100 is picked up or put down, the first clamping component 41 drives the first motor 411 to drive the rotating frame 413 to drive the first pressure block 414 to deflect, thus avoiding the picking and putting down of product 100. After product 100 is placed in place, the first motor 411 drives the rotating frame 413 to drive the first pressure block 414 to clamp the upper end of the injection molded part.

[0035] In the above design, the structural design and specific implementation of the pressing mechanism 4 facilitate pressing one end of the injection molded part of the product 100 into the positioning groove, and facilitate the flanging mechanism 3 to flanging the leather.

[0036] Specifically: such as Figure 2 and Figure 3 As shown, the second pressing assembly 42 includes a second mounting block on the base 1, a second cylinder 422 on the second mounting block, and a second push plate 421 at the output end of the second cylinder 422. The second cylinder 422 drives the second push plate 421 to press the other end of the product 100 in the positioning groove.

[0037] In actual use, before product 100 is placed, the output end of cylinder 422 retracts. After product 100 is placed in place, the output end of cylinder 422 extends, causing push plate 421 to extend and abut against one end of the injection molded part, thereby pressing the side of the injection molded part.

[0038] In the above design, the structural design and specific implementation of the second clamping component 42 facilitate the lateral limiting of the product 100.

[0039] Specifically: such as Figure 1 and Figure 2 As shown, the number of the flange mechanism 3 is several, such as... Figure 3As shown, the flanging mechanism 3 includes a first mounting block 31 mounted on the base 1, a first cylinder A32 mounted vertically on the first mounting block 31, a first plate 33 mounted on the output end of the first cylinder, a first cylinder B34 mounted horizontally on the first plate 33, and a first push plate 35 mounted on the output end of the first cylinder B34. The first push plate 35 is provided with a plurality of clearance holes for the product 100 protrusion clearance.

[0040] In actual use, before placing product 100, the output end of cylinder A32 extends, causing plate 33 to drive cylinder B34 and push plate 35 to be positioned above the positioning groove. The output end of cylinder B34 retracts, causing push plate 35 to be positioned outside the positioning groove. After product 100 is positioned in the positioning groove and located by clamping mechanism 4, the output end of cylinder B34 extends to drive push plate 35 to push the leather on the edge of the injection molded part, causing push plate 35 to bend the leather. The side of the leather that was originally against push plate 35 changes from lateral to horizontal, so that push plate 35 is positioned above the bent leather. Then, the output end of cylinder A32 retracts, causing plate 33, cylinder B34 and push plate 35 to press down, causing push plate 35 to press down on the leather to achieve edge turning.

[0041] In the above design, the structural design and specific implementation of the flanging mechanism 3 facilitate the flanging of the leather on the edge of the injection molded part.

[0042] Specifically: such as Figure 3 As shown, the first mounting block 31 includes a vertical block and a horizontal block disposed on the upper end of the vertical block. The horizontal block is provided with a screw hole vertically. The flange mechanism 3 also includes a screw rod 36 threadedly connected to the screw hole. The upper end of the screw rod 36 protrudes from the upper end face of the horizontal block.

[0043] In actual use, the No. 1 plate 33 is raised and lowered under the drive of the No. 1 cylinder A32. When the No. 1 plate 33 is lowered by the drive of the No. 1 cylinder A32, the lower end of the No. 1 plate 33 should abut against the upper end of the screw 36. In order to adjust the lowering height of the No. 1 plate 33 according to the actual operation, the height of the screw 36 protruding from the upper end surface of the transverse block can be changed by turning the screw 36.

[0044] In the above design, the structural design and specific implementation of the first mounting block 31 and the screw 36 facilitate the limitation of the descent height of the first plate 33.

[0045] Specifically: such as Figure 1 As shown, the number of positioning fixtures 2 is two.

[0046] In the above design, by setting two positioning fixtures 2, it is possible to flip the edges of two products 100.

[0047] Specifically: such as Figure 1 and Figure 2 As shown, the base 1 includes a base plate 11 and handles 12 disposed on both sides of the base plate 11.

[0048] In actual use, the base 1 is moved by holding the handle 12. The base 1 is fixed to the machine base with bolts.

[0049] In the above design, the structural design and specific implementation of the base 1 facilitate transfer.

[0050] Specifically: such as Figure 1 As shown, the positioning fixture 2 includes a first support block 21, a second support block 22, and a third support block 23 bolted to the base 1. The first support block 21 and the third support block 23 are located on both sides of the second support block 22. The first support block 21 is provided with a first groove, the second support block 22 is provided with a second groove, and the third support block 23 is provided with a third groove. The first groove, the second groove, and the third groove form the positioning groove.

[0051] In actual use, the first support block 21, the second support block 22 and the third support block 23 are modularly spliced ​​to achieve matching with product 100.

[0052] In the above design, the structural design and specific implementation of the positioning fixture 2 facilitate modular assembly and disassembly, adapting to different products 100.

[0053] The second embodiment provided in this application is a method for leather flanging of injection molded parts. The leather flanging device for injection molded parts is used. The flanging mechanism 3 and the pressing mechanism 4 are opened. The product 100 is placed on the positioning fixture 2. Then the pressing mechanism 4 is used to press the injection molded part. Subsequently, the leather edge of the injection molded part is flanged by the flanging mechanism 3.

[0054] In the above design, the entire method can achieve the flanging of the leather on the edge of the injection molded part.

[0055] In further detail, it should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A leather flanging device for injection molded parts, comprising a base (1), characterized in that: It also includes a positioning fixture (2) set on the base (1), a flanging mechanism (3) set on the base (1) for flanging the product (100) on the positioning fixture (2), and a clamping mechanism (4) set on the base (1) for clamping the product (100) on the positioning fixture (2).

2. The leather flanging device for injection molded parts according to claim 1, characterized in that: The positioning fixture (2) is provided with a positioning groove, and the product (100) is located on the positioning groove. The positioning groove includes a bottom wall (201) and side walls (202) connected to both sides of the bottom wall (201). The positioning groove is open at both ends.

3. The leather flanging device for injection molded parts according to claim 1, characterized in that: The pressing mechanism (4) consists of a first pressing component (41) and a second pressing component (42) located at both ends of the positioning groove. The first pressing component (41) includes a first mounting base (412) on the base (1), a first motor (411) on the first mounting base (412), a rotating frame (413) on the rotating shaft of the first motor (411), and a first pressing block (414) on the rotating frame (413). The first motor (411) drives the rotating frame (413) to drive the first pressing block (414) to vertically press one end of the product (100) in the positioning groove.

4. The leather flanging device for injection molded parts according to claim 3, characterized in that: The second pressing assembly (42) includes a second mounting block on the base (1), a second cylinder (422) on the second mounting block, and a second push plate (421) at the output end of the second cylinder (422). The second cylinder (422) drives the second push plate (421) to press the other end of the product (100) in the positioning groove.

5. The leather flanging device for injection molded parts according to claim 1, characterized in that: The number of the flanging mechanism (3) is several. The flanging mechanism (3) includes a first mounting block (31) set on the base (1), a first cylinder A (32) set vertically on the first mounting block (31), a first plate (33) set at the output end of the first cylinder, a first cylinder B (34) set horizontally on the first plate (33), and a first push plate (35) set at the output end of the first cylinder B (34). The first push plate (35) is provided with several pairs of clearance holes for product (100) protrusion clearance.

6. The leather flanging device for injection molded parts according to claim 5, characterized in that: The first mounting block (31) includes a vertical block and a horizontal block set on the upper end of the vertical block. The horizontal block is provided with a screw hole vertically. The flange mechanism (3) also includes a screw rod (36) threadedly connected to the screw hole. The upper end of the screw rod (36) protrudes from the upper end face of the horizontal block.

7. The leather flanging device for injection molded parts according to claim 1, characterized in that: The number of positioning fixtures (2) is two.

8. The leather flanging device for injection molded parts according to claim 1, characterized in that: The base (1) includes a base plate (11) and handles (12) disposed on both sides of the base plate (11).

9. The leather flanging device for injection molded parts according to claim 1, characterized in that: The positioning fixture (2) includes a first support block (21), a second support block (22), and a third support block (23) bolted to the base (1). The first support block (21) and the third support block (23) are located on both sides of the second support block (22). The first support block (21) is provided with a first groove, the second support block (22) is provided with a second groove, and the third support block (23) is provided with a third groove. The first groove, the second groove, and the third groove form the positioning groove.

10. A method for flanging leather on injection-molded parts, using the leather flanging device for injection-molded parts as described in any one of claims 1 to 9, characterized in that: Open the flanging mechanism (3) and the pressing mechanism (4), place the product (100) on the positioning fixture (2), then press the injection molded part with the pressing mechanism (4), and then fold the leather edge of the injection molded part with the flanging mechanism (3).

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