Special punching die for shoemaking production

Abstract

The utility model discloses a special punching die for shoemaking production, and relates to the technical field of shoemaking production, the special punching die comprises a workbench, a punching mechanism is arranged above the workbench, the punching mechanism comprises a telescopic cylinder, the inner wall of the telescopic cylinder is provided with a limiting groove, the limiting groove is spiral, a connecting plate is arranged in the telescopic cylinder, and the connecting plate is connected with the workbench. And a limiting rod is fixedly installed on one side of the connecting plate, the limiting rod is slidably connected into the limiting groove, a grinding rod is fixedly installed at the bottom of the connecting plate, and a punching punch is fixedly installed at the bottom end of the grinding rod. According to the punching device, the grinding rod and the punching punch are driven by the connecting plate to rotate in a small range, so that a hole can be punched quickly, burrs and uneven edges generated at the hole punched just now can be ground by the grinding rod while the hole is punched, the edge of the hole is made to be flat, and the punching quality of the hole is improved. And the subsequent manual grinding step is avoided, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shoe production, in particular to a special punching die for shoe production. Background Art

[0002] Shoes, as an item worn on the feet to protect the feet from injuries, have a long history. In the early history of human civilization, most of them were straw shoes and cloth shoes. Nowadays, there are many types of shoes, including leather shoes, sports shoes, casual shoes, high heels and functional shoes.

[0003] Leather shoes are usually made of high-quality leather. Although leather is tough and elegant in appearance, its breathability is relatively weak compared to other materials. In order to improve the wearing comfort of leather shoes, holes are usually punched in the toe part. These holes not only increase the air circulation in the shoe surface, keeping the feet dry and comfortable, but also effectively prevent humid environment and bacterial growth.

[0004] However, after punching holes in existing leather uppers, burrs and uneven edges will appear at the holes, which also need to be polished manually, which not only reduces work efficiency but also increases manufacturing costs.

[0005] Therefore, it is necessary to propose a special die for punching shoes to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a special punching die for shoe production, so as to solve the problem that after punching, burrs and uneven edges will be generated at the holes of the existing leather uppers, and manual polishing is required, which not only reduces work efficiency but also increases manufacturing costs.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special mold for punching in shoe production, comprising a workbench, a punching mechanism is arranged above the workbench, the punching mechanism comprises a telescopic cylinder, a limiting groove is arranged on the inner wall of the telescopic cylinder, the limiting groove is spiral-shaped, a connecting plate is arranged in the telescopic cylinder, a limiting rod is fixedly installed on one side of the connecting plate, the limiting rod is slidably connected in the limiting groove, a grinding rod is fixedly installed on the bottom of the connecting plate, and a punching punch is fixedly installed on the bottom end of the grinding rod.

[0008] Preferably, a spring is fixedly mounted on the top of the connecting plate, and one end of the spring away from the connecting plate is fixedly connected to the inner wall of the telescopic cylinder.

[0009] Preferably, a lower mold is arranged above the workbench, a punching hole is opened on the top of the lower mold, a plurality of the punching holes are provided, and the punching holes are conical.

[0010] Preferably, electric slide rails are fixedly installed on both sides of the bottom of the lower mold, and the electric slide rails are fixedly installed on the workbench. A brush is arranged between the two electric slide rails, and sliders are fixedly installed on both ends of the brush, and the sliders are slidably connected to the electric slide rails.

[0011] Preferably, an upper mold is arranged above the lower mold, a pressing plate is fixedly installed on the top of the upper mold, and the telescopic cylinder is fixedly installed on the bottom of the upper mold.

[0012] Preferably, a top plate is provided above the upper mold, an electric cylinder is fixedly mounted on the top of the top plate, a round hole for the telescopic end of the electric cylinder to pass through is opened on the top plate, and a pressure plate is fixedly connected to the telescopic end of the electric cylinder.

[0013] Preferably, support rods are fixedly mounted at the four corners of the bottom of the top plate, the bottom ends of the support rods are fixedly mounted on the upper surface of the workbench, and sliding grooves cooperating with the support rods are opened at the four corners of the pressure plate.

[0014] Technical effects and advantages of the utility model:

[0015] 1. The utility model drives the grinding rod and the punching punch to rotate slightly through the connecting plate, so as to quickly punch out the hole. While punching out the hole, the grinding rod can also grind the burrs and uneven edges of the newly punched hole, so that the edge of the hole is smooth and the subsequent manual grinding step is avoided, thereby improving work efficiency.

[0016] 2. The utility model clamps and fixes the toe part by cooperating with the upper mold and the lower mold, thereby reducing manual operation and avoiding errors in the intervals between holes during the punching process, which would result in an ugly toe shape;

[0017] 3. The utility model controls the brush through the electric slide rail to sweep out the waste scattered on the surface of the workbench, thereby avoiding the accumulation of waste and affecting the normal operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a special punching die for shoe production according to the utility model.

[0019] Figure 2 This is a cross-sectional view of the upper mold, lower mold and telescopic cylinder structure of the utility model.

[0020] Figure 3 This is a cross-sectional view of the punching mechanism structure of the utility model.

[0021] In the figure: 1. workbench; 2. top plate; 3. pressure plate; 4. lower mold; 5. upper mold; 6. electric slide rail; 7. punching; 8. brush; 9. telescopic cylinder; 10. grinding rod; 11. punching punch; 12. connecting plate; 13. spring; 14. limit groove; 15. limit rod; 16. electric cylinder; 17. support rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides Figure 1-Figure 3 A special punching die for shoe production shown in the figure comprises a workbench 1, and the workbench 1 is used to control a punching device to perform punching.

[0024] Taking into account that the punching speed of the punching machine is fast, but manual support is required, which may easily cause errors in the spacing between the holes, resulting in an ugly toe shape. Therefore, a lower mold 4 is arranged above the workbench 1, and the lower mold 4 is used to place the toe part that needs to be punched. An upper mold 5 is arranged above the lower mold 4, and the upper mold 5 is used to install the punching mechanism. By cooperating with the lower mold 4, the toe part is fixed in the lower mold 4. A top plate 2 is arranged above the upper mold 5, and the top plate 2 is used to install an electric cylinder 16 for controlling the upper mold 5 to perform stamping. The electric cylinder 16 is fixedly installed on the top of the top plate 2, and support rods 17 are fixedly installed at the four corners of the bottom of the top plate 2. The support rods 17 are used to support the electric cylinder 16 for lifting and lowering, and the bottom end of the support rod 17 is fixedly installed on the upper surface of the workbench 1.

[0025] Furthermore, a pressing plate 3 is fixedly installed on the top of the upper mold 5, and the pressing plate 3 is used to install the upper mold 5. A circular hole is opened on the top plate 2 for the telescopic end of the electric cylinder 16 to pass through, and the pressing plate 3 is fixedly connected to the telescopic end of the electric cylinder 16. The four corners of the pressing plate 3 are provided with sliding grooves that cooperate with the support rod 17.

[0026] During operation, the toe part that needs to be punched is laid flat in the lower mold 4, and the upper mold 5 is pushed to fit with the lower mold 4 through the electric cylinder 16, so that the toe part is clamped and fixed, thereby reducing manual operation and avoiding errors in the spacing between the holes during the punching process, resulting in an ugly toe shape.

[0027] Specifically, the punching mechanism is arranged above the workbench 1, and the punching mechanism includes a telescopic cylinder 9, which is used to install the punching component, and the telescopic cylinder 9 is fixedly installed at the bottom of the upper mold 5. A connecting plate 12 is arranged in the telescopic cylinder 9, and a punching hole 7 is opened on the top of the lower mold 4. The punching hole 7 is used to cooperate with the punching mechanism to form a hole on the toe part, and a plurality of punching holes 7 are arranged.

[0028] It should be noted that the number of the punching mechanisms is consistent with the number of the punching holes 7, and the punching holes 7 are opened according to the hole positions designed in advance on the toe part.

[0029] Taking into account that after the leather upper is punched, burrs and uneven edges will appear at the holes, which require manual polishing, which not only reduces work efficiency but also increases manufacturing costs. Therefore, a polishing rod 10 is fixedly installed at the bottom of the connecting plate 12. The polishing rod 10 is used to polish the burrs and uneven edges generated at the holes, and a punching punch 11 is fixedly installed at the bottom of the polishing rod 10.

[0030] It should be noted that, since the holes in the shoe upper are usually small, the diameters of the telescopic tube 9 and the connecting plate 12 can be set slightly larger, while the diameter of the polishing rod 10 can be set smaller, according to actual needs.

[0031] Specifically, a limiting rod 15 is fixedly installed on one side of the connecting plate 12, and a limiting groove 14 is opened on the inner wall of the telescopic cylinder 9. The limiting groove 14 is spiral, and the arc structure can ensure that when the limiting rod 15 slides along the tangential direction of the limiting groove 14, the grinding rod 10 and the punching punch 11 can rotate slightly. The limiting rod 15 is slidably connected in the limiting groove 14, and a spring 13 is fixedly installed on the top of the connecting plate 12. The spring 13 is used for resetting the grinding rod 10 and the punching punch 11, and the end of the spring 13 away from the connecting plate 12 is fixedly connected to the inner wall of the telescopic cylinder 9.

[0032] It should be noted that when the connecting plate 12 rotates slightly, the spring 13 can function like a torsion spring.

[0033] Furthermore, the punching hole 7 is designed to be a conical structure, which can ensure that the leather material punched out from the toe portion will not get stuck in the punching hole 7.

[0034] During specific operation, the upper mold 5 moves downward, driving the punching mechanism to move downward together. When the punching punch 11 contacts the toe part, the polishing rod 10 will squeeze the connecting plate 12, so that the limiting rod 15 slides along the limiting groove 14, and the spring 13 is compressed. By driving the polishing rod 10 and the punching punch 11 to rotate slightly, the holes can be punched out quickly. While punching out the holes, the polishing rod 10 will also polish the burrs and uneven edges of the holes just punched, so that the edges of the holes are smooth, and the subsequent manual polishing steps are avoided, thereby improving work efficiency.

[0035] It should be noted that when the punching punch 11 is taken out of the punching hole 7, the spring 13 is reset and the edge of the hole is polished for a second time to further improve the flatness of the edge of the hole.

[0036] Considering that the waste generated by punching and grinding will fall onto the workbench 1 through the punching holes 7 and affect the normal operation of the equipment, electric slide rails 6 are fixedly installed on both sides of the bottom of the lower mold 4. The electric slide rails 6 are used to control the brush 8 to brush away the scattered waste on the surface of the workbench 1. The electric slide rails 6 are fixedly installed on the workbench 1, and the brush 8 is arranged between the two electric slide rails 6. Slide blocks are fixedly installed on both ends of the brush 8, and the slide blocks are slidably connected to the electric slide rails 6.

[0037] During operation, after the punching mechanism completes punching the toe portion, the electric slide rail 6 controls the brush 8 to sweep out the waste scattered on the surface of the workbench 1, thereby avoiding the accumulation of waste and affecting the normal operation of the equipment.

Claims

1. A special punching die for shoe production, comprising a workbench (1), characterized in that: A punching mechanism is arranged above the workbench (1), and the punching mechanism comprises a telescopic cylinder (9), a limiting groove (14) is arranged on the inner wall of the telescopic cylinder (9), and the limiting groove (14) is spiral-shaped. A connecting plate (12) is arranged in the telescopic cylinder (9), and a limiting rod (15) is fixedly installed on one side of the connecting plate (12), and the limiting rod (15) is slidably connected in the limiting groove (14). A grinding rod (10) is fixedly installed at the bottom of the connecting plate (12), and a punching punch (11) is fixedly installed at the bottom end of the grinding rod (10).

2. A special punching die for shoe production according to claim 1, characterized in that: A spring (13) is fixedly mounted on the top of the connecting plate (12), and one end of the spring (13) away from the connecting plate (12) is fixedly connected to the inner wall of the telescopic cylinder (9).

3. A special punching die for shoe production according to claim 1, characterized in that: A lower mold (4) is arranged above the workbench (1), and a punching hole (7) is opened on the top of the lower mold (4). There are a plurality of punching holes (7), and the punching holes (7) are conical.

4. A special punching die for shoe production according to claim 3, characterized in that: Electric slide rails (6) are fixedly mounted on both sides of the bottom of the lower mold (4), and the electric slide rails (6) are fixedly mounted on the workbench (1). A brush (8) is arranged between the two electric slide rails (6), and sliders are fixedly mounted on both ends of the brush (8), and the sliders are slidably connected to the electric slide rails (6).

5. The special punching die for shoe production according to claim 3, characterized in that: An upper mold (5) is arranged above the lower mold (4), a pressing plate (3) is fixedly installed on the top of the upper mold (5), and the telescopic cylinder (9) is fixedly installed on the bottom of the upper mold (5).

6. A special punching die for shoe production according to claim 5, characterized in that: A top plate (2) is arranged above the upper mold (5), an electric cylinder (16) is fixedly mounted on the top of the top plate (2), a circular hole is provided on the top plate (2) for the telescopic end of the electric cylinder (16) to pass through, and a pressure plate (3) is fixedly connected to the telescopic end of the electric cylinder (16).

7. A special punching die for shoe production according to claim 6, characterized in that: Support rods (17) are fixedly mounted at the four corners of the bottom of the top plate (2), the bottom ends of the support rods (17) are fixedly mounted on the upper surface of the workbench (1), and sliding grooves cooperating with the support rods (17) are provided at the four corners of the pressure plate (3).

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