Clamping device for sheet metal part machining

Abstract

The utility model discloses a clamping device for sheet metal part machining, and relates to the technical field of clamping devices, the clamping device comprises a machining table and a placing table, the upper end of the machining table is provided with a clamping mechanism, and the clamping mechanism comprises a special-shaped concave seat, a protection assembly, a fixed cylinder and four groups of movable heads; the protection assembly comprises two groups of protection plates, latex pads are fixedly mounted at the lower ends of the two groups of protection plates, multiple groups of anti-slip strips are fixedly mounted at the lower ends of the two groups of latex pads, and the upper ends of the two groups of protection plates are fixed to the lower ends of four groups of movable heads respectively. According to the sheet metal part clamping device, the sheet metal part can be protected, so that scratches and indentations can be prevented from being left on the surface of the sheet metal part, the influence on the appearance quality of the sheet metal part is prevented, and the sheet metal part can be clamped at the upper end of the placing table.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping devices, in particular to a clamping device for sheet metal processing. Background Art

[0002] Sheet metal processing is a comprehensive cold working process for thin metal sheets, including shearing, punching / cutting / combining, folding, welding, riveting, splicing, and forming. Its most notable characteristic is the consistent thickness of each part. Products processed through sheet metal processing are called sheet metal parts. The term sheet metal parts generally refers to different things in different industries, and is often used to refer to assembly. Currently, the production of sheet metal parts requires cutting, drilling, and other processing techniques. To ensure processing accuracy, the sheet metal parts need to be fixed before processing, which necessitates the use of sheet metal clamping devices.

[0003] However, in the prior art, traditional rigid clamping methods, such as using metal clamps to directly clamp sheet metal parts, can easily leave clamp marks on the surface of the sheet metal parts, especially for sheet metal parts with high surface quality requirements, such as automobile shell sheet metal parts, electronic product shells, etc., thereby seriously affecting the appearance quality of the products. Therefore, a clamping device for sheet metal processing is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that seriously affects the appearance quality of products, and to propose a clamping device for sheet metal processing.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a clamping device for sheet metal processing, comprising a processing table and a placement table, wherein the upper end of the processing table is provided with a clamping mechanism, wherein the clamping mechanism comprises a special-shaped recess, a protective component, a fixed cylinder and four sets of movable heads;

[0006] The protective assembly includes two groups of protective plates, the lower ends of the two groups of protective plates are fixedly installed with latex pads, the lower ends of the two groups of latex pads are fixedly installed with multiple groups of anti-slip strips, and the upper ends of the two groups of protective plates are respectively fixed to the lower ends of the four groups of movable heads.

[0007] Preferably, a push plate is provided inside the special-shaped recess, a cylinder is fixedly installed inside the fixed cylinder, movable holes are opened on both sides of the special-shaped recess, triangular connecting pieces are rotatably installed inside the four protrusions on both sides of the special-shaped recess, transmission parts are movably installed inside the four groups of movable holes, connecting parts are rotatably installed on the outer walls of the four groups of triangular connecting pieces, and movable parts are rotatably installed on one side of the four protrusions on the upper end of the push plate.

[0008] Preferably, the upper end of the fixing cylinder is fixed to the inner top end of the special-shaped recess, and the lower end of the placement platform is fixed to the upper end of the special-shaped recess.

[0009] Preferably, one end of the four groups of triangular connecting pieces are rotatably mounted inside the four groups of transmission parts, and one end of the four groups of movable heads are rotatably mounted inside the four groups of connecting parts.

[0010] Preferably, one end of the four groups of transmission members are rotatably mounted on one end of the four groups of movable members, and the protrusions at the lower ends of the four groups of movable heads are rotatably mounted inside the four protrusions on both sides of the special-shaped recess.

[0011] Preferably, the extended end of the cylinder is fixed to the upper end of the push plate, and the protruding parts at both ends of the special-shaped recess are fixedly mounted on the limiting recess.

[0012] Preferably, the lower ends of the two groups of limiting recesses are in contact with the upper end of the processing table, and the lower ends of the special-shaped recesses are in contact with the upper end of the processing table.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] In the utility model, a clamping mechanism is provided. Since the two groups of latex pads and multiple groups of anti-slip strips are made of latex material, the two groups of latex pads and multiple groups of anti-slip strips are soft in texture, and can protect the sheet metal parts, thereby avoiding scratches and indentations on the surface of the sheet metal parts, and preventing the appearance quality of the sheet metal parts from being affected. Secondly, the four groups of connecting parts drive one end of the four groups of movable heads to move upward, and the other end of the four groups of movable heads to move downward. At the same time, the four groups of movable heads drive the two groups of protective plates to move downward, and the sheet metal parts on the placement table can be limited, so that the sheet metal parts can be clamped at the upper end of the placement table, which is convenient for subsequent processing of the sheet metal parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of a clamping device for sheet metal processing proposed by the utility model;

[0016] Figure 2 This is a structural diagram of a placement table and a clamping mechanism in a clamping device for sheet metal processing proposed by the utility model;

[0017] Figure 3 The utility model provides a structural schematic diagram of a protective component in a clamping device for sheet metal processing;

[0018] Figure 4 The present invention provides a partial three-dimensional diagram of a clamping mechanism in a clamping device for sheet metal processing.

[0019] Legend: 1. Processing table; 11. Limiting recess; 12. Placing table; 2. Clamping mechanism; 21. Special-shaped recess; 22. Fixing cylinder; 23. Protective assembly; 231. Protective plate; 232. Latex pad; 233. Anti-slip strip; 24. Push plate; 25. Cylinder; 26. Movable hole; 27. Triangular connecting piece; 28. Transmission part; 29. ​​Movable head; 210. Connecting part; 211. Movable part. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Example 1: Figure 1 - Figure 4 As shown, the utility model provides a clamping device for sheet metal processing, including a processing table 1 and a placement table 12. The upper end of the processing table 1 is provided with a clamping mechanism 2, which includes a special-shaped recess 21, a protective component 23, a fixed cylinder 22 and four sets of movable heads 29;

[0023] A push plate 24 is provided inside the special-shaped recess 21, a cylinder 25 is fixedly installed inside the fixed cylinder 22, movable holes 26 are opened on both sides of the special-shaped recess 21, triangular connecting pieces 27 are rotatably installed inside the four protrusions on both sides of the special-shaped recess 21, transmission members 28 are movably installed inside the four groups of movable holes 26, connecting pieces 210 are rotatably installed on the outer walls of the four groups of triangular connecting pieces 27, and movable pieces 211 are rotatably installed on one side of the four protrusions on the upper end of the push plate 24.

[0024] The protective assembly 23 includes two groups of protective plates 231, and the lower ends of the two groups of protective plates 231 are fixedly installed with latex pads 232. The lower ends of the two groups of latex pads 232 are fixedly installed with multiple groups of anti-slip strips 233. The upper ends of the two groups of protective plates 231 are respectively fixed to the lower ends of the four groups of movable heads 29.

[0025] The following is a detailed description of the specific settings and functions of this embodiment. Through the cooperation of two groups of latex pads 232 and multiple groups of anti-slip strips 233, when the two groups of protective plates 231 move downward, the two groups of protective plates 231 will drive the multiple groups of anti-slip strips 233 to move downward together through the two groups of latex pads 232 until the multiple groups of anti-slip strips 233 contact the surface of the sheet metal. The two groups of latex pads 232 and the multiple groups of anti-slip strips 233 are all made of latex material, so that the two groups of latex pads 232 and the multiple groups of anti-slip strips 233 are soft in texture, and can protect the sheet metal, thereby avoiding scratches and indentations on the surface of the sheet metal, and preventing impact on the appearance quality of the sheet metal.

[0026] Example 2: Figure 1 、 Figure 2 and Figure 4 As shown, a push plate 24 is provided inside the special-shaped recess 21, a cylinder 25 is fixedly installed inside the fixed cylinder 22, and movable holes 26 are opened on both sides of the special-shaped recess 21. Triangular connecting pieces 27 are rotatably installed inside the four protrusions on both sides of the special-shaped recess 21, and transmission parts 28 are movably installed inside the four groups of movable holes 26. Connecting pieces 210 are rotatably installed on the outer walls of the four groups of triangular connecting pieces 27. One side of the four protrusions at the upper end of the push plate 24 is rotatably installed with movable parts 211. The upper end of the fixed cylinder 22 is fixed to the top end of the inner part of the special-shaped recess 21, and the lower end of the placement table 12 is fixed to the upper end of the special-shaped recess 21. One end of the triangular connecting piece 27 is rotatably mounted inside the four groups of transmission parts 28, one end of the four groups of movable heads 29 is rotatably mounted inside the four groups of connecting parts 210, one end of the four groups of transmission parts 28 is rotatably mounted on one end of the four groups of movable parts 211, and the protrusions at the lower ends of the four groups of movable heads 29 are rotatably mounted inside the four protrusions on both sides of the special-shaped recess 21. The protruding end of the cylinder 25 is fixed to the upper end of the push plate 24, and the protrusions at both ends of the special-shaped recess 21 are fixedly mounted on the limiting recess 11. The lower ends of the two groups of limiting recesses 11 are in contact with the upper end of the processing table 1, and the lower end of the special-shaped recess 21 is in contact with the upper end of the processing table 1.

[0027] The effect achieved by the entire embodiment is that by starting the cylinder 25, the extended end of the cylinder 25 drives the push plate 24 to move upward, and the push plate 24 drives the four groups of movable parts 211 to move through the four groups of protrusions, so that the four groups of movable parts 211 drive the four groups of transmission parts 28 to slide inside the four groups of movable holes 26. Since the four groups of triangular connecting pieces 27 are movably installed inside the four protrusions of the outer wall of the special-shaped recess 21, the three groups of triangular connecting pieces 27 can be limited, which facilitates the four groups of transmission parts 28 to drive the four groups of connecting pieces 21 through the four groups of triangular connecting pieces 27. 10 moves toward the outer wall of the special-shaped recess 21. At the same time, since the protrusions of the four groups of movable heads 29 are movably installed inside the four protrusions of the outer wall of the four groups of special-shaped recesses 21, the four groups of connecting members 210 drive one end of the four groups of movable heads 29 to move upward, and the other end of the four groups of movable heads 29 to move downward. At the same time, the four groups of movable heads 29 drive the two groups of protective plates 231 to move downward, thereby limiting the position of the sheet metal on the placement table 12, so that the sheet metal can be clamped at the upper end of the placement table 12, which is convenient for subsequent processing of the sheet metal;

[0028] The provision of two groups of limiting recesses 11 can fix the special-shaped recess 21 on the upper end of the processing table 1 .

[0029] The method of use and working principle of this device are as follows: by placing the sheet metal part on the upper end of the placement table 12, and then starting the cylinder 25, the extended end of the cylinder 25 drives the push plate 24 to move upward, and the push plate 24 drives the four sets of movable parts 211 to move through the four sets of protrusions, so that the four sets of movable parts 211 drive the four sets of transmission parts 28 to slide inside the four sets of movable holes 26, so that the four sets of transmission parts 28 drive the four sets of connecting parts 210 to move to the outer wall of the special-shaped recess 21 through the four sets of triangular connecting pieces 27, so that the four sets of connecting parts 210 drive one end of the four sets of movable heads 29 The four sets of movable heads 29 move upward, and the other end of the four sets of movable heads 29 move downward. At the same time, the four sets of movable heads 29 drive the two sets of protective plates 231 to move downward. The two sets of protective plates 231 will drive the multiple sets of anti-slip strips 233 to move downward together through the two sets of latex pads 232 until the multiple sets of anti-slip strips 233 contact the surface of the sheet metal. The two sets of latex pads 232 and the multiple sets of anti-slip strips 233 are all made of latex material, so that the two sets of latex pads 232 and the multiple sets of anti-slip strips 233 are soft in texture, can clamp the sheet metal at the upper end of the placement table 12, and can protect the sheet metal at the same time.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A clamping device for sheet metal processing, comprising a processing table (1) and a placement table (12), characterized in that: A clamping mechanism (2) is provided at the upper end of the processing table (1), and the clamping mechanism (2) comprises a special-shaped recess (21), a protective component (23), a fixed cylinder (22) and four sets of movable heads (29); The protection assembly (23) includes two groups of protection plates (231), the lower ends of the two groups of protection plates (231) are fixedly mounted with latex pads (232), the lower ends of the two groups of latex pads (232) are fixedly mounted with multiple groups of anti-slip strips (233), and the upper ends of the two groups of protection plates (231) are respectively fixed to the lower ends of the four groups of movable heads (29).

2. A clamping device for sheet metal processing according to claim 1, characterized in that: A push plate (24) is provided inside the special-shaped recess (21), a cylinder (25) is fixedly installed inside the fixed cylinder (22), movable holes (26) are opened on both sides of the special-shaped recess (21), triangular connecting pieces (27) are rotatably installed inside the four protrusions on both sides of the special-shaped recess (21), transmission parts (28) are movably installed inside the four groups of movable holes (26), connecting parts (210) are rotatably installed on the outer walls of the four groups of triangular connecting pieces (27), and movable parts (211) are rotatably installed on one side of the four protrusions on the upper end of the push plate (24).

3. The clamping device for sheet metal processing according to claim 2, characterized in that: The upper end of the fixing cylinder (22) is fixed to the inner top end of the special-shaped recess (21), and the lower end of the placement platform (12) is fixed to the upper end of the special-shaped recess (21).

4. The clamping device for sheet metal processing according to claim 3, characterized in that: One end of the four groups of triangular connecting pieces (27) is rotatably mounted inside the four groups of transmission members (28), and one end of the four groups of movable heads (29) is rotatably mounted inside the four groups of connecting members (210).

5. The clamping device for sheet metal processing according to claim 4, characterized in that: One end of the four groups of transmission members (28) is rotatably mounted on one end of the four groups of movable members (211), and the protrusions at the lower ends of the four groups of movable heads (29) are rotatably mounted inside the four protrusions on both sides of the special-shaped recess (21).

6. The clamping device for sheet metal processing according to claim 5, characterized in that: The extended end of the cylinder (25) is fixed to the upper end of the push plate (24), and the protruding portions at both ends of the special-shaped recess (21) are fixedly mounted on the limiting recess (11).

7. The clamping device for sheet metal processing according to claim 6, characterized in that: The lower ends of the two groups of limiting recesses (11) are in contact with the upper end of the processing table (1), and the lower end of the special-shaped recess (21) is in contact with the upper end of the processing table (1).

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