阅读说明：本技术 一种皮革夹持装置 (Leather clamping device ) 是由 郭鑫 易建钢 薄文 段嘉仪 徐泳涛 王乐康 谢奔一 高军 于 2021-08-17 设计创作，主要内容包括：本发明公开了一种皮革夹持装置,属于皮革生产技术领域。所述皮革夹持装置包括：夹持平台、支架、曲柄杠杆、压紧块、弹性件及电磁铁；所述支架固定设置在所述夹持平台上；所述曲柄杠杆的第一端与所述压紧块固定连接,所述曲柄杠杆的中部与所述支架铰接,所述曲柄杠杆的第二端与所述弹性件的第一端铰接；所述弹性件的第二端与所述电磁铁固定连接。本发明皮革夹持装置可以节约人力,提高效率。(The invention discloses a leather clamping device, and belongs to the technical field of leather production. The leather holding device includes: the clamping device comprises a clamping platform, a bracket, a crank lever, a pressing block, an elastic piece and an electromagnet; the bracket is fixedly arranged on the clamping platform; the first end of the crank lever is fixedly connected with the pressing block, the middle of the crank lever is hinged with the support, and the second end of the crank lever is hinged with the first end of the elastic piece; and the second end of the elastic piece is fixedly connected with the electromagnet. The leather clamping device can save labor and improve efficiency.)

1. A leather gripping apparatus, comprising: the clamping device comprises a clamping platform, a bracket, a crank lever, a pressing block, an elastic piece and an electromagnet;

the bracket is fixedly arranged on the clamping platform;

the first end of the crank lever is fixedly connected with the pressing block, the middle of the crank lever is hinged with the support, and the second end of the crank lever is hinged with the first end of the elastic piece;

and the second end of the elastic piece is fixedly connected with the electromagnet.

2. The leather gripping apparatus of claim 1, wherein the toggle lever comprises: a first connecting rod and a second connecting rod;

the first end of the first connecting rod is fixedly connected with the pressing block and hinged with the bracket;

the first end of the second connecting rod is hinged to the second end of the first connecting rod, and the second end of the second connecting rod is hinged to the first end of the elastic piece.

3. A leather gripping apparatus according to claim 2, characterised in that:

a first through hole is formed in the bracket, and a first connecting ring is fixedly arranged at the first end of the first connecting rod;

the first connecting ring is hinged with the first through hole through a first connecting piece.

4. A leather gripping apparatus according to claim 2, characterised in that:

a second connecting ring is fixedly arranged at the second end of the first connecting rod, and a third connecting ring is fixedly arranged at the first end of the second connecting rod;

the second connecting ring is hinged with the third connecting ring through a second connecting piece.

5. The leather gripping apparatus of claim 2, wherein the toggle lever further comprises: a first link;

the first end of the first connecting rod is fixedly connected with the first end of the first connecting rod, and the second end of the first connecting rod is fixedly connected with the pressing block.

6. The leather gripping apparatus of claim 2, wherein the toggle lever further comprises: a second link;

the first end of the second connecting rod is hinged with the second end of the second connecting rod, and the second end of the second connecting rod is fixedly connected with the elastic piece.

7. A leather gripping apparatus according to claim 6, characterised in that:

a fourth connecting ring is fixedly arranged at the second end of the second connecting rod, and a fifth connecting ring is fixedly arranged at the first end of the second connecting rod;

the fourth connecting ring is hinged with the fifth connecting ring through a third connecting piece.

8. The leather holding apparatus of claim 1, wherein the pressing block comprises a cushion rubber and a pressing block body;

the first end of the buffer rubber is fixedly connected with the first end of the crank lever;

the pressure block body is fixedly connected with the second end of the buffer rubber.

9. A leather gripping apparatus according to claim 8, wherein:

the area of the pressure block body is larger than that of the buffer rubber.

10. A leather gripping apparatus according to claim 1, characterised in that:

the end face, close to the pressing block, of the clamping platform is an inclined plane.

Technical Field

The invention relates to the technical field of leather production, in particular to a leather clamping device.

Background

Under the condition that 5 people have one vehicle in China on average, the decorations in the vehicle are increased sharply, and the production of leather for the vehicle is increased. In the production of composite leather for vehicles, the size of the vehicle roof puts requirements on the size of the composite leather.

At present, leather is cut in a factory by mainly pulling the leather by hands of workers and pulling the leather on a roller to a certain size for cutting. However, the worker holds the leather by hand, which causes unstable holding, difficulty in pulling, and reduced work efficiency, and also easily causes muscle damage to the hand of the worker, and at the same time, brings about a small labor cost to the factory.

Disclosure of Invention

The invention provides a leather clamping device, which solves or partially solves the technical problems that in the prior art, a worker holds leather by hands so as to cause unstable holding, is difficult to pull and reduces the working efficiency, the muscle of the hand of the worker is easy to damage, and meanwhile, the labor cost is not low for a factory.

In order to solve the above technical problem, the present invention provides a leather holding device comprising: the clamping device comprises a clamping platform, a bracket, a crank lever, a pressing block, an elastic piece and an electromagnet; the bracket is fixedly arranged on the clamping platform; the first end of the crank lever is fixedly connected with the pressing block, the middle of the crank lever is hinged with the support, and the second end of the crank lever is hinged with the first end of the elastic piece; and the second end of the elastic piece is fixedly connected with the electromagnet.

Further, the crank lever includes: a first connecting rod and a second connecting rod; the first end of the first connecting rod is fixedly connected with the pressing block and hinged with the bracket; the first end of the second connecting rod is hinged to the second end of the first connecting rod, and the second end of the second connecting rod is hinged to the first end of the elastic piece.

Furthermore, a first through hole is formed in the bracket, and a first end of the first connecting rod is fixedly provided with a first connecting ring; the first connecting ring is hinged with the first through hole through a first connecting piece.

Further, a second connecting ring is fixedly arranged at the second end of the first connecting rod, and a third connecting ring is fixedly arranged at the first end of the second connecting rod; the second connecting ring is hinged with the third connecting ring through a second connecting piece.

Further, the crank lever further includes: a first link; the first end of the first connecting rod is fixedly connected with the first end of the first connecting rod, and the second end of the first connecting rod is fixedly connected with the pressing block.

Further, the crank lever further includes: a second link; the first end of the second connecting rod is hinged with the second end of the second connecting rod, and the second end of the second connecting rod is fixedly connected with the elastic piece.

Furthermore, a fourth connecting ring is fixedly arranged at the second end of the second connecting rod, and a fifth connecting ring is fixedly arranged at the first end of the second connecting rod; the fourth connecting ring is hinged with the fifth connecting ring through a third connecting piece.

Further, the pressing block comprises buffer rubber and a pressing block body; the first end of the buffer rubber is fixedly connected with the first end of the crank lever; the pressure block body is fixedly connected with the second end of the buffer rubber.

Further, the area of the pressure block body is larger than that of the cushion rubber.

Furthermore, the end face, close to the pressing block, of the clamping platform is an inclined plane.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

because the bracket is fixedly arranged on the clamping platform, the first end of the crank lever is fixedly connected with the pressing block, the middle part of the crank lever is hinged with the bracket, the second end of the crank lever is hinged with the first end of the elastic piece, and the second end of the elastic piece is fixedly connected with the electromagnet, when the leather is clamped, the leather is placed on the clamping platform, the electromagnet is electrified, the electromagnet adsorbs the second end of the crank lever, the second end of the crank lever is pulled, the elastic piece is compressed by the second end of the crank lever, meanwhile, the middle part of the crank lever rotates on the bracket, the pressing block is driven by the first end of the crank lever to move towards the direction of the clamping platform, the leather is pressed on the clamping platform, then the clamping platform is pulled by external force, the leather is pulled to a proper position, when the leather reaches the proper position, the electromagnet is powered off, the elastic piece stretches, and the second end of the crank lever is pushed, the middle part of the crank lever rotates on the support, the first end of the crank lever drives the pressing block to move in the direction away from the clamping platform, leather is loosened, manpower can be saved, and efficiency is improved.

Drawings

FIG. 1 is a view illustrating a leather holding apparatus according to an embodiment of the present invention;

FIG. 2 is a front view of the leather holding apparatus of FIG. 1;

FIG. 3 is a top view of the leather holding device of FIG. 1;

FIG. 4 is a schematic view of the mounting of the bracket of FIG. 1;

FIG. 5 is a top view of the bracket of FIG. 4;

FIG. 6 is a schematic structural view of the compact of FIG. 1;

FIG. 7 is a top view of the compact of FIG. 6;

FIG. 8 is a schematic view of the crank lever of FIG. 1;

fig. 9 is a schematic view of the connection of the crank lever of fig. 1.

Detailed Description

Referring to fig. 1 to 5, a leather holding device according to an embodiment of the present invention includes: the clamping device comprises a clamping platform 1, a support 2, a crank lever 3, a pressing block 4, an elastic piece 5 and an electromagnet 6.

The bracket 2 is fixedly arranged on the clamping platform 1.

The first end of the crank lever 3 is fixedly connected with the pressing block 4, the middle part of the crank lever 3 is hinged with the support 2, and the second end of the crank lever 3 is hinged with the first end of the elastic piece 5.

The second end of the elastic element 5 is fixedly connected with the electromagnet 6.

In the embodiment of the application, because the bracket 2 is fixedly arranged on the clamping platform 1, the first end of the crank lever 3 is fixedly connected with the pressing block 4, the middle part of the crank lever 3 is hinged with the bracket 2, the second end of the crank lever 3 is hinged with the first end of the elastic part 5, and the second end of the elastic part 5 is fixedly connected with the electromagnet 6, when leather is to be clamped, the leather is placed on the clamping platform 1, the electromagnet 6 is electrified, the electromagnet 6 adsorbs the second end of the crank lever 3, the second end of the crank lever 3 is pulled, the second end of the crank lever 3 compresses the elastic part 5, meanwhile, the middle part of the crank lever 3 rotates on the bracket 2, the pressing block 4 is driven by the first end of the crank lever 3 to move towards the clamping platform 1, the leather is pressed on the clamping platform 1, then the clamping platform 1 is pulled by external force, and the leather is pulled to a proper position, when the leather arrives at a proper position, the electromagnet 6 is powered off, the elastic piece 5 extends to push the second end of the crank lever 3, the middle part of the crank lever 3 rotates on the support 2, the first end of the crank lever 3 drives the pressing block 4 to move in the direction away from the clamping platform 1, the leather is loosened, the manpower can be saved, and the efficiency is improved.

In this embodiment, when the leather is pressed on the clamping platform 1 by the pressing block 4, the external force can be a hydraulic oil cylinder, the action end of the hydraulic oil cylinder is connected with the clamping platform 1, and the clamping platform 1 is pulled by the hydraulic oil cylinder to pull the clamping platform 1 to a proper position.

In the present embodiment, the elastic member 5 may be a spring.

Referring to fig. 8-9, in particular, the toggle lever 3 comprises: a first connecting rod 3-1 and a second connecting rod 3-2.

The first end of the first connecting rod 3-1 is fixedly connected with the pressing block 4 and hinged with the bracket 2. In the embodiment, the bracket 2 is provided with a first through hole, a first end of the first connecting rod 3-1 is fixedly provided with a first connecting ring 3-3, and the first connecting ring 3-3 is hinged with the first through hole through a first connecting piece 3-4. The first connecting piece 3-4 comprises a first sleeve 3-41 and a first bolt 3-42, the first sleeve 3-41 penetrates through the first connecting ring 3-3 and the first through hole, the first bolt 3-42 penetrates through the first sleeve 3-41, the support 2 and the first connecting ring 3-3 are arranged between the nut of the first bolt 3-42 and the nut of the first bolt 3-42, the support 2 and the first connecting ring 3-3 are limited through the first bolt 3-42, the first sleeve 3-41 is prevented from being separated from the first connecting ring 3-3 and the first through hole, and the support 2 and the first connecting rod 3-1 can be ensured to relatively rotate on the first sleeve 3-41.

The first end of the second connecting rod 3-2 is hinged with the second end of the first connecting rod 3-1. In the embodiment, the second end of the first connecting rod 3-1 is fixedly provided with a second connecting ring 3-5, the first end of the second connecting rod 3-2 is fixedly provided with a third connecting ring 3-6, and the second connecting ring 3-5 is hinged with the third connecting ring 3-6 through a second connecting piece 3-7. Wherein the second connector 3-7 comprises a second sleeve 3-71 and a second bolt 3-72, the second sleeve 3-71 passes through the second connecting ring 3-5 and the third connecting ring 3-6, the second bolt 3-72 passes through the second sleeve 3-71, the third connecting ring 3-6 and the second connecting ring 3-5 are arranged between the nut of the second bolt 3-72 and the nut of the second bolt 3-72, the second connecting ring 3-5 and the third connecting ring 3-6 are limited by the second bolt 3-72, so that the second sleeve 3-71 is prevented from being separated from the third connecting ring 3-6 and the second connecting ring 3-5, and the second connecting ring 3-52 and the third connecting ring 3-6 can be rotated on the second sleeve 3-71 relatively.

The second end of the second connecting rod 3-2 is hinged with the first end of the elastic member 5. In the present embodiment, the crank lever 3 further includes: a second link 3-8. The first end of the second connecting rod 3-8 is hinged with the second end of the second connecting rod 3-2, and the second end of the second connecting rod 3-8 is fixedly connected with the elastic piece 5. Wherein, the second end of the second connecting rod 3-2 is fixedly provided with a fourth connecting ring 3-9, and the first end of the second connecting rod 3-8 is fixedly provided with a fifth connecting ring 3-10. The fourth connecting ring 3-9 is hinged with the fifth connecting ring 3-10 through a third connecting piece 3-11. Specifically, the third connector 3-11 includes a third sleeve 3-111 and a third bolt 3-112, the third sleeve 3-111 passes through a fourth connection ring 3-9 and a fifth connection ring 3-10, the third bolt 3-112 passes through the third sleeve 3-111, the fifth connection ring 3-10 and the fourth connection ring 3-9 are disposed between a nut of the third bolt 3-112 and a nut of the third bolt 3-112, the fourth connecting ring 3-9 and the fifth connecting ring 3-10 are limited by the third bolt 3-112, so that the third sleeve 3-111 is prevented from being separated from the fifth connecting ring 3-10 and the fourth connecting ring 3-9, and the fourth connecting ring 3-9 and the fifth connecting ring 3-10 can be ensured to relatively rotate on the third sleeve 3-111.

In this embodiment, the second connecting rod 3-8 may be made of iron, so that the electromagnet 6 is convenient to be attracted after being electrified.

Specifically, the crank lever 3 further includes: first links 3-12.

The first ends of the first connecting rods 3-12 are fixedly connected with the first ends of the first connecting rods 3-1, the second ends of the first connecting rods 3-12 are fixedly connected with the pressing blocks 4, the length of the first connecting rods 3-1 is prolonged through the first connecting rods 3-12, and it is guaranteed that the first ends of the crank levers 3 can drive the pressing blocks 4 to press leather on the clamping platform 1.

Referring to fig. 6-7, the pressing block 4 comprises a buffer rubber 4-1 and a pressing block body 4-2.

The first end of the buffer rubber 4-1 is fixedly connected with the first end of the crank lever 3, and the buffer rubber 4-1 is used for buffering, so that the phenomenon that the leather is damaged due to overlarge downward pressure is avoided.

The pressing block body 4-2 is fixedly connected with the second end of the buffer rubber 4-1, and the leather is pressed on the clamping platform 1 through the pressing block body 4-1.

The area of the pressure block body 4-2 is larger than that of the buffer rubber 4-1, so that the stability of clamping leather is ensured.

Specifically, the end face of the clamping platform 1 close to the pressing block 4 is an inclined plane, so that leather can conveniently enter between the clamping platform 1 and the pressing block 4. In this embodiment, the angle between the bevel and the horizontal is 30-60 °.

Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.