Leather processing embossing device

By using a combination of cylinders and positioning sleeves in the leather embossing device to prevent leather from shifting and sticking, the problem of leather edge displacement and adhesion is solved, achieving a high-quality and efficient embossing effect.

CN223866685UActive Publication Date: 2026-02-03YANGXIN HUAYANG GRP CO LTD
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Patent Information

Application Number
CN202520042685.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-02-03
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

In traditional leather processing, the edges of the leather are prone to displacement during the embossing process, which damages the integrity of the embossed pattern. Furthermore, the leather is prone to sticking to the mold, affecting the embossing quality and production efficiency.

Method used

The anti-adhesion mechanism, which combines a cylinder and a positioning sleeve, uses positioning wheels to fix the leather edges, preventing the leather from being lifted up when the upper mold moves upward. The cylinder pushes the positioning sleeve to remove the leather from the lower mold, thus preventing it from sticking.

Benefits of technology

It improves the quality and efficiency of leather embossing, prevents leather edge displacement and adhesion, and ensures the integrity of the embossed pattern.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223866685U_ABST
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Abstract

The utility model discloses a leather processing knurling device, which relates to the technical field of leather processing, and comprises a machine body, a fixing assembly is arranged at the upper end of the machine body, an upper die is fixed in the fixing assembly, a knurling table is arranged on the table top of the machine body, and a lower die is fixed on the knurling table. And anti-sticking mechanisms are installed on the two sides of the embossing table correspondingly, notches are formed in the two sides of the lower mold, the two anti-sticking mechanisms are located at the notches correspondingly, and heating pieces are installed on the lower side of the embossing table and the lower side of the fixing assembly correspondingly. The positioning sleeve is installed in the notch formed in the lower die, so that leather can enter the positioning sleeve smoothly, the positioning wheel fixes the side of the leather through pushing of the fourth air cylinder, the leather is prevented from being lifted upwards when the upper die moves upwards after embossing is finished, and the leather is prevented from being lifted upwards through pushing of the third air cylinder. And the embossed leather is taken down from the lower mold by the positioning sleeve, so that the leather is prevented from being adhered to the lower mold, and the leather embossing quality and efficiency are improved.
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Description

Technical Field

[0001] This utility model relates to the field of leather processing technology, and in particular to a leather embossing device. Background Technology

[0002] In traditional leather processing, embossing is a technique that creates specific patterns or textures by applying a heated mold to the surface of the leather.

[0003] According to Chinese Patent Publication No. CN219930139U, a leather embossing device is disclosed, including a worktable. The worktable is characterized by an embossing assembly comprising an upper pressure plate and a lower pressure plate, which are fixedly connected by a connecting column. The connecting column is rotatably mounted on the worktable via bearings. A driving assembly for driving the connecting column to rotate is provided at the lower end of the worktable. The beneficial effect of this invention is that by setting up an upper and lower pressure plate and driving them to rotate via the connecting column, a drive motor can be started. Then, according to the desired embossing pattern, the required convex and concave dies are driven to rotate between the fixed frames, thereby achieving the effect of switching embossing patterns and improving the applicability.

[0004] Although this method has been widely used, it has some significant limitations and challenges in practical operation:

[0005] During the embossing process, when the upper mold applies downward pressure, the edges of the leather may shift, resulting in poor embossing effect. In addition, when the upper mold moves upward, the leather is easily lifted, damaging the integrity of the embossed pattern. After embossing, the leather may stick to the lower mold due to high temperature and pressure, which not only affects the quality of embossing but also increases the difficulty of removing the parts and reduces production efficiency. Utility Model Content

[0006] The purpose of this invention is to provide a leather embossing device that can prevent the leather edges from shifting when the upper mold applies downward pressure during the embossing process, resulting in poor embossing effect. In addition, when the upper mold moves upward, the leather is easily lifted, damaging the integrity of the embossed pattern.

[0007] This utility model provides a leather embossing device, including a machine body. A fixing component is installed on the upper end of the machine body, and an upper mold is fixed inside the fixing component. An embossing table is installed on the table of the machine body, and a lower mold is fixed on the embossing table. Anti-adhesion mechanisms are installed on both sides of the embossing table, and notches are opened on both sides of the lower mold. Two sets of anti-adhesion mechanisms are located at the notches. Heating elements are installed on the lower side of the embossing table and the lower side of the fixing component.

[0008] Preferably, the anti-adhesion mechanism includes a cylinder three, which is mounted on the frame of the embossing table. The piston end of the cylinder three is connected to a positioning sleeve. A connecting piece is slidably connected inside the positioning sleeve, and a positioning wheel is rotatably arranged inside the connecting piece.

[0009] Preferably, a cylinder four is installed at the upper end of the positioning sleeve, and the piston end of the cylinder four is connected to the upper end of the connecting piece.

[0010] Preferably, the fixing component includes a cylinder one installed on the upper end of the machine body, the piston end of the cylinder one being connected to a fixing plate, fixing screws being fixedly installed at the four corners of the fixing plate, a retaining block being provided on the lower side of the fixing screw, and the lower end of the fixing screw penetrating the upper mold and being fixed by a nut.

[0011] Preferably, cylinder two is installed at both ends of the embossing table, and a positioning rod is connected to the piston end of cylinder two, which fixes the lower mold.

[0012] Preferably, positioning holes are provided on both sides of the lower mold, and a positioning block is provided on the inner side of the positioning rod, with the positioning block inserted into the positioning hole.

[0013] Preferably, a sliding plate is provided on the lower side of the positioning rod, and the sliding plate is slidably connected to the groove opened on the upper surface of the embossing table.

[0014] The leather embossing device provided in this embodiment of the invention has the following advantages compared to the prior art:

[0015] This invention installs a positioning sleeve inside a notch in the lower mold, allowing the leather to smoothly enter the positioning sleeve. The positioning wheel is fixed to the side of the leather by the push of cylinder four, preventing the leather from being lifted up when the upper mold finishes embossing and moves upward. At the same time, the positioning sleeve is pushed by cylinder three to remove the embossed leather from the lower mold, preventing the leather from sticking to the lower mold and improving the quality and efficiency of leather embossing. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0018] Figure 2 This is a side view of the overall structure of an embodiment of the present utility model;

[0019] Figure 3 This is a schematic diagram showing the disassembled structure of the fixing component according to an embodiment of the present utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the embossing table and other components according to an embodiment of the present utility model;

[0021] Figure 5 This is a schematic diagram of the anti-adhesion mechanism structure according to an embodiment of the present utility model;

[0022] Figure 6 This is a schematic diagram of the positioning rod structure according to an embodiment of the present utility model.

[0023] Figure label:

[0024] 1. Machine body; 2. Embossing table; 3. Cylinder 1; 4. Fixing plate; 5. Heating element; 6. Fixing screw; 7. Clamping block; 8. Nut; 9. Upper mold; 10. Lower mold; 11. Slide groove; 12. Positioning rod; 13. Slide plate; 14. Positioning block; 15. Cylinder 2; 16. Cylinder 3; 17. Positioning sleeve; 18. Cylinder 4; 19. Connecting piece; 20. Positioning wheel; 21. Positioning hole. Detailed Implementation

[0025] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0026] Please refer to Figures 1-6 This utility model provides a leather embossing device, including a body 1, a fixing component installed at the upper end of the body 1, and an upper mold 9 fixed inside the fixing component.

[0027] like Figure 3 As shown, the assembly includes a cylinder 3 mounted on the upper end of the body 1. The piston end of the cylinder 3 is connected to the fixed plate 4. A heating element 5 is mounted on the lower side of the fixed plate 4. Fixing screws 6 are fixedly installed at the four corners of the fixed plate 4. A clamping block 7 is provided on the lower side of the fixing screw 6. The upper mold 9 is mounted on the fixing screw 6 and contacts the clamping block 7. The upper mold 9 is fixed by threading the nut 8 to the fixing screw 6, which facilitates the disassembly and assembly of the upper mold 9. The heating element 5 can heat the upper mold 9.

[0028] In addition, an embossing table 2 is installed on the table surface of the machine body 1. A lower mold 10 is fixed on the embossing table 2. Cylinders 15 are installed at both ends of the embossing table 2. A positioning rod 12 is connected to the piston end of the cylinder 15. The positioning rod 12 fixes the lower mold 10. Specifically, positioning holes 21 are opened on both sides of the lower mold 10. A positioning block 14 is provided on the inner side of the positioning rod 12. The positioning rod 12 is pushed by the cylinder 15 to move, so that the positioning block 14 is inserted into the positioning hole 21, fixing the lower mold 10, which facilitates the replacement of the lower mold 10. A heating element 5 is installed on the lower side of the embossing table 2. The heating element 5 heats the lower mold 10, which can improve the embossing effect. The heating element 5 can preferably use an electric heating wire for heating.

[0029] Furthermore, a sliding plate 13 is provided on the lower side of the positioning rod 12. The sliding plate 13 is slidably connected to the groove 11 opened on the upper surface of the embossing table 2, which can improve the stability of the positioning rod 12 when it moves.

[0030] Considering that leather may stick to the upper mold 9 and the lower mold 10 during embossing, in order to solve this problem, anti-adhesion mechanisms are installed on both sides of the embossing table 2, and notches are opened on both sides of the lower mold 10, with the two sets of anti-adhesion mechanisms located at the notches respectively.

[0031] Specifically, the anti-adhesion mechanism includes cylinder three 16, which is installed on the frame of the embossing table 2. The piston end of cylinder three 16 is connected to the positioning sleeve 17. A connector 19 is slidably connected inside the positioning sleeve 17, and a positioning wheel 20 is rotatably installed inside the connector 19. Since cylinder four 18 is installed at the upper end of the positioning sleeve 17, and the piston end of cylinder four 18 is connected to the upper end of the connector 19, when the leather is placed on the upper side of the lower mold 10, the two sides of the leather are respectively located in the two positioning sleeves 17. The connector 19 is moved downward by cylinder four 18, so that the positioning wheel 20 fixes the leather in the positioning sleeve 17. The use of the positioning wheel 20 will not damage the leather. After the leather is fixed, when the upper mold 9 moves upward, it can prevent the leather from being pulled up. Then, the pushing of cylinder three 16 makes the positioning sleeve 17 move upward with the leather, so that the leather is separated from the lower mold 10. This can prevent the leather from sticking too tightly to the lower mold 10 and making it inconvenient to remove.

[0032] In summary, the working principle of the leather embossing device of this utility model is as follows: the positioning sleeve 17 is installed in the notch opened in the lower mold 10 so that the leather can smoothly enter the positioning sleeve 17. The positioning wheel 20 is fixed to the side of the leather by the push of the cylinder 4 18. When the upper mold 9 finishes embossing and moves upward, it avoids lifting the leather upward. At the same time, the positioning sleeve 17 is used to remove the embossed leather from the lower mold 10 by the push of the cylinder 3 16, so as to prevent the leather from sticking to the lower mold 10.

[0033] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A leather embossing device, comprising a body (1), characterized in that: A fixing component is installed on the upper end of the machine body (1), and an upper mold (9) is fixed inside the fixing component. An embossing table (2) is installed on the table surface of the machine body (1), and a lower mold (10) is fixed on the embossing table (2). Anti-adhesion mechanisms are installed on both sides of the embossing table (2), and notches are opened on both sides of the lower mold (10). Two sets of anti-adhesion mechanisms are located at the notches. Heating elements (5) are installed on the lower side of the embossing table (2) and the lower side of the fixing component.

2. The leather embossing device according to claim 1, characterized in that: The anti-adhesion mechanism includes a cylinder three (16), which is installed on the frame of the embossing table (2). The piston end of the cylinder three (16) is connected to the positioning sleeve (17). A connector (19) is slidably connected inside the positioning sleeve (17), and a positioning wheel (20) is rotatably arranged inside the connector (19).

3. The leather embossing device according to claim 2, characterized in that: The upper end of the positioning sleeve (17) is equipped with cylinder four (18), and the piston end of cylinder four (18) is connected to the upper end of the connector (19).

4. The leather embossing device according to claim 3, characterized in that: The fixing assembly includes a cylinder (3) installed on the upper end of the machine body (1). The piston end of the cylinder (3) is connected to the fixing plate (4). Fixing screws (6) are fixedly installed at the four corners of the fixing plate (4). A clamping block (7) is provided on the lower side of the fixing screw (6). The lower end of the fixing screw (6) passes through the upper mold (9) and is fixed by a nut (8).

5. The leather embossing device according to claim 4, characterized in that: Both ends of the embossing table (2) are equipped with cylinders (15), and the piston end of cylinders (15) is connected to a positioning rod (12), which fixes the lower mold (10).

6. The leather embossing apparatus according to claim 5, characterized in that: The lower mold (10) has positioning holes (21) on both sides, and a positioning block (14) is provided on the inner side of the positioning rod (12), and the positioning block (14) is inserted into the positioning hole (21).

7. The leather embossing apparatus according to claim 6, characterized in that: A sliding plate (13) is provided on the lower side of the positioning rod (12), and the sliding plate (13) is slidably connected to the groove (11) opened on the upper surface of the embossing table (2).

Citation Information

Patent Citations

  • Leather processing embossing device

    CN219930139U