Self-positioning punching tool
The design of the self-positioning punching fixture enables automatic positioning and precise punching of sheet metal, solving the problems of insufficient precision and poor flexibility of traditional manual punching methods, improving production efficiency and safety, and meeting the needs of mass production.
Patent Information
- Application Number
- CN202520357763.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Traditional manual punching methods suffer from problems such as insufficient precision, poor hole position consistency, poor flexibility, significant safety hazards, low efficiency, high cost, and high labor intensity, making it difficult to meet the needs of mass production.
A self-positioning punching fixture was designed, including symmetrically arranged positioning components and punching components, equipped with adsorption components and adjustment parts, to realize automatic positioning, precise punching and flexible adjustment of sheet metal, and adapt to the processing needs of sheet metal of different sizes.
It improves punching accuracy and consistency, enhances production efficiency and automation, reduces human error and safety risks, and adapts to the processing needs of different hole shapes and complex patterns.
Smart Images

Figure CN223819455U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sheet metal processing technology, and in particular to a self-positioning punching fixture. Background Technology
[0002] Sheet metal sheets require punching to meet specific functional or process requirements. Traditionally, punching is done manually, but this method has several drawbacks: insufficient precision, errors in manual positioning and operation leading to inconsistent hole positions; poor flexibility, making it difficult to quickly adapt to different hole shapes or complex patterns; and safety hazards such as mechanical injury or material splashing.
[0003] In addition, traditional punching operations are often separate from the clamping of sheet metal. To form an integrated production operation, they rely on manual operation, which is inefficient, costly, and difficult to meet the needs of mass production. Furthermore, the labor intensity is high, and operators need to perform repetitive work for long periods of time, which can easily lead to fatigue and occupational injuries. Utility Model Content
[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a self-positioning punching fixture to solve one or more problems in the prior art.
[0005] To achieve the above objectives, the technical solution of this utility model is as follows:
[0006] A self-positioning punching fixture includes a positioning component and a punching component symmetrically arranged at both ends of a frame. The positioning component and the punching component are relatively close to or separated from each other along a first direction via a first moving part. The fixture also includes an adsorption component, which includes a second moving part that cooperates with the frame, a third moving part that cooperates with the second moving part, and a fourth moving part that cooperates with the third moving part.
[0007] Furthermore, the positioning component includes a support plate, with first positioning plates symmetrically arranged on both sides of the support plate along the first direction, and a second positioning plate also provided on the support plate of the punching component near the same side.
[0008] Furthermore, the punching assembly includes a limiting plate and a first cylinder symmetrically distributed about the limiting plate. A pressure plate that is close to and symmetrically distributed along a second direction is connected to the first cylinder. The pressure plates are also connected to first limiting members on their opposite sides. The first limiting members are partially connected to each other by guide posts.
[0009] Furthermore, the guide post passes through the limiting plate and the pressure plate along the second direction and is fixed to the limiting plate; the limiting plate is provided with a second limiting member that cooperates with the second positioning plate at one end near the positioning component on the same side, and the limiting plate also includes a third limiting member, which is symmetrically arranged about the second limiting member.
[0010] Furthermore, the surface of the third limiting member is provided with a cutting tool, and the first limiting member also has an ejection section that cooperates with the cutting tool in the second direction. The pressure plate is movable in the second direction and cooperates with the guide post and the ejection section.
[0011] Furthermore, the tooling includes a base, and the first moving part is disposed on the base. The first moving part includes a first slide rail, a first slider, and a transition plate. The first slider is slidably engaged with the first slide rail, and the transition plate is connected to the first slider. The first moving part also includes a second cylinder and a first stop block. One end of the second cylinder is engaged with the transition plate, and the first stop block is disposed at both ends of the first slide rail.
[0012] Furthermore, the tooling also includes a first positioning post and a second positioning post, the limiting plate is connected to the adapter plate via the first positioning post, and the bearing plate is connected to the base via the second positioning post.
[0013] Furthermore, the second moving part includes a first connector and a second slide rail, the first connector being connected to the frame and the second slide rail being connected to the first connector; the third moving part includes a second connector and a third slide rail, one side of the second connector being connected to the second slide rail and the other side being connected to the third slide rail.
[0014] Furthermore, the fourth moving part includes a third connector and a fourth slide rail. One side of the third connector is connected to the third slide rail, and the other side is connected to the fourth slide rail. A suction cup is also connected to the fourth slide rail.
[0015] Furthermore, the tooling also includes an adjustment part, which includes a fifth slide rail disposed on the frame, a slidable second slider disposed on the fifth slide rail, one side of the second slider being connected to the base, and second stops disposed at both ends of the fifth slide rail; the adjustment part also includes a fixing block, a lead screw and an adjusting member, the fixing block being connected to the base, the lead screw passing through the fixing block and one end being connected to the adjusting member.
[0016] Compared with the prior art, the beneficial technical effects of this utility model are as follows:
[0017] (i) Through the coordinated operation of the positioning component and the punching component, the automatic positioning and precise punching of the sheet metal are realized, which greatly improves the accuracy and consistency of punching and effectively avoids the errors caused by manual positioning and operation.
[0018] (ii) The adjustable part can be flexibly adjusted according to the length of the board to meet the processing needs of boards of different sizes, greatly improving the flexibility and efficiency of the operation. At the same time, the tooling is also equipped with an adsorption component, which can be flexibly adjusted according to the size and position of the board, realizing the automated picking and placing of the board, further improving production efficiency and automation. Attached Figure Description
[0019] Figure 1 A schematic diagram of a self-positioning punching fixture according to an embodiment of the present invention is shown.
[0020] Figure 2 The diagram shows a structural schematic of the positioning component and the punching component of a self-positioning punching tool according to an embodiment of the present invention.
[0021] Figure 3 The diagram shows a structural schematic of the positioning component and the punching component of a self-positioning punching tool according to an embodiment of the present invention.
[0022] Figure 4 This diagram illustrates the structure of the adsorption component of a self-positioning punching fixture according to an embodiment of the present invention.
[0023] Figure 5 This is a partial enlarged view of the adjustment part of a self-positioning punching tool according to an embodiment of the present invention.
[0024] Figure 6 This diagram shows a partial enlarged view of the punching assembly of a self-positioning punching tool according to an embodiment of the present invention.
[0025] In the attached diagram, the following components are labeled: 1. Frame; 2. Positioning assembly; 21. Bearing plate; 22. First positioning plate; 23. Second positioning plate; 3. Punching assembly; 31. Limiting plate; 311. Second limiting member; 312. Third limiting member; 32. First cylinder; 33. Pressure plate; 34. First limiting member; 341. Ejection section; 35. Guide post; 36. Cutting tool; 4. First moving part; 41. First slide rail; 42. First slider; 43. Adapter plate; 44. Second cylinder; 45. First stop block. 5. Adsorption assembly; 51. Second moving part; 511. First connecting member; 512. Second slide rail; 52. Third moving part; 521. Second connecting member; 522. Third slide rail; 53. Fourth moving part; 531. Third connecting member; 532. Fourth slide rail; 6. Base; 7. First positioning post; 8. Second positioning post; 9. Adjustment part; 91. Fifth slide rail; 92. Second slider; 93. Second stop block; 94. Fixing block; 95. Lead screw; 96. Adjustment member; 10. Suction cup. Detailed Implementation
[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description of a self-positioning punching fixture proposed by this utility model, in conjunction with the accompanying drawings and specific embodiments, will further illustrate its purpose. The advantages and features of this utility model will become clearer from the following description. It should be noted that the accompanying drawings are in a very simplified form and use non-precise proportions, used only to facilitate and clearly illustrate the purpose of the embodiments of this utility model. Please refer to the accompanying drawings to make the objectives, features, and advantages of this utility model more apparent and understandable. It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and objectives achieved by this utility model, should still fall within the scope of the technical content disclosed in this utility model.
[0027] Please see Figures 1 to 6 The self-positioning punching fixture of this embodiment includes a positioning component 2 and a punching component 3 symmetrically arranged at both ends of the frame 1. In this embodiment, one positioning component 2 and one punching component 3 are respectively arranged at each end of the frame 1. The positioning component 2 and the punching component 3 are relatively close to or separated from each other along a first direction via a first moving part 4. In this embodiment, the first direction is the length direction of the frame 1.
[0028] Furthermore, the positioning component 2 includes a support plate 21, with first positioning plates 22 symmetrically arranged on both sides of the support plate 21 along a first direction. A second positioning plate 23 is also provided on the support plate 21 near the same side of the punching component 3. The sheet material is placed on the surface of the support plate 21, and the first positioning plates 22 and the second positioning plates 23 work together to restrict the position of the sheet material.
[0029] Furthermore, the punching assembly 3 includes a limiting plate 31 and first cylinders 32 symmetrically distributed about the limiting plate 31. Pressure plates 33, symmetrically distributed along a second direction, are connected to the first cylinders 32. In this embodiment, the second direction is perpendicular to the horizontal bottom surface and perpendicular to the first direction. The first cylinders 32 push the two pressure plates 33 to move closer or further apart. Each pressure plate 33 has a first limiting member 34 connected to its opposite side, with the first limiting members 34 partially connected by guide posts 35. The guide posts 35 pass through the limiting plate 31 and the pressure plates 33 along the second direction and are fixed to the limiting plate 31, meaning the pressure plates 33 move along the guide posts 35 in the second direction. The limiting plate 31 has a second limiting member 311 at one end near the positioning assembly 2 on the same side, which cooperates with the second positioning plate 23. The limiting plate 31 also includes a third limiting member 312, which is symmetrically arranged about the second limiting member 311.
[0030] Specifically, when the punching assembly 3 moves closer to the positioning assembly 2 under the action of the first moving part 4, the second limiting member 311 abuts against the second positioning plate 23, thereby limiting the stroke of the punching assembly 3. Correspondingly, when the second limiting member 311 abuts against the second positioning plate 23, the third limiting member 312 partially abuts against the plate, thereby enabling precise positioning of the plate placed on the support plate 21 while limiting the displacement of the plate.
[0031] Furthermore, the surface of the third limiting member 312 is provided with a cutting tool 36. Preferably, in this embodiment, the cutting tool 36 is provided at both the upper and lower ends of the third limiting member 312. The first limiting member 34 also has an ejection section 341 that cooperates with the cutting tool 36 in the second direction. The pressure plate 33 is movable in the second direction and cooperates with the guide post 35 and the ejection section 341.
[0032] Specifically, when the pressure plate 33 is pressed down on the plate on the support plate 21 by the first cylinder 32 and punched by the cutter 36, after punching is completed, the pressure plate 33 is raised, and under the action of the ejection section 341, the plate can be ejected from the cutter 36 for easy removal.
[0033] Furthermore, the tooling includes a base 6, and the first moving part 4 is disposed on the base 6. The first moving part 4 includes a first slide rail 41, a first slider 42, and a connecting plate 43. The first slider 42 is slidably fitted onto the first slide rail 41, and the connecting plate 43 is connected to the first slider 42. The first moving part 4 also includes a second cylinder 44 and a first stop 45. One end of the second cylinder 44 is fitted onto the connecting plate 43, and the first stop 45 is disposed at both ends of the first slide rail 41. When the second cylinder 44 acts on the connecting plate 43, the connecting plate 43 drives the first slider 42 to move on the first slide rail 41 to move the positioning component 2 and the punching component 3 closer or further apart. The first stop 45 is used to limit the travel of the first slider 42 on the first slide rail 41.
[0034] Furthermore, the tooling also includes a first positioning post 7 and a second positioning post 8. The limiting plate 31 is connected to the adapter plate 43 via the first positioning post 7, that is, when the adapter plate 43 moves, the punching assembly 3 moves synchronously. The bearing plate 21 is connected to the base 6 via the second positioning post 8 to support the plate.
[0035] Furthermore, the tooling also includes an adsorption component 5, which includes a second moving part 51 that is coupled to the frame 1, a third moving part 52 that is coupled to the second moving part 51, and a fourth moving part 53 that is coupled to the third moving part 52.
[0036] Specifically, the second moving part 51 includes a first connecting member 511 and a second slide rail 512. The first connecting member 511 is connected to the frame 1, and the second slide rail 512 is connected to the first connecting member 511. In this embodiment, the second slide rail 512 is arranged along a second direction. The third moving part 52 includes a second connecting member 521 and a third slide rail 522. One side of the second connecting member 521 is connected to the second slide rail 512, and the other side is connected to the third slide rail 522. In this embodiment, the third slide rail 522 is arranged along a first direction. The fourth moving part 53 includes a third connecting member 531 and a fourth slide rail 532. One side of the third connecting member 531 is connected to the third slide rail 522, and the other side is connected to the fourth slide rail 532. A suction cup 10 is also connected to the fourth slide rail 532. In this embodiment, the fourth slide rail 532 is arranged along a second direction. Through the arrangement of the adsorption assembly 5, the suction cup 10 can be adjusted along the first and second directions to adaptively pick up the board material according to the needs.
[0037] Furthermore, the tooling also includes an adjustment part 9, which includes a fifth slide rail 91 disposed on the frame 1. A slidable second slider 92 is also disposed on the fifth slide rail 91. One side of the second slider 92 is connected to the base 6. Second stops 93 are also disposed at both ends of the fifth slide rail 91 to limit the movement stroke of the second slider 92. The adjustment part 9 also includes a fixing block 94, a lead screw 95, and an adjusting member 96. The fixing block 94 is connected to the base 6 and disposed at the bottom of the base 6. The lead screw 95 passes through the fixing block 94 and is connected at one end to the adjusting member 96. By adjusting the adjusting member 96, the movement of the base 6 along the first direction is controlled to adjust the gap between the positioning components 2 at both ends of the frame 1 to accommodate plates of different lengths.
[0038] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0039] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A self-positioning punching fixture, characterized in that: The tooling includes a positioning component and a punching component symmetrically arranged at both ends of the frame. The positioning component and the punching component are relatively close to or separated from each other along a first direction via a first moving part. The tooling also includes an adsorption component, which includes a second moving part that cooperates with the frame, a third moving part that cooperates with the second moving part, and a fourth moving part that cooperates with the third moving part.
2. The self-positioning punching fixture as described in claim 1, characterized in that: The positioning component includes a support plate, and first positioning plates are symmetrically arranged on both sides of the support plate along a first direction. A second positioning plate is also provided on the support plate of the punching component near the same side.
3. The self-positioning punching fixture as described in claim 2, characterized in that: The punching assembly includes a limiting plate and a first cylinder symmetrically distributed about the limiting plate. A pressure plate is connected to the first cylinder and is symmetrically distributed along a second direction. The pressure plates are also connected to first limiting members on their opposite sides. The first limiting members are partially connected to each other by guide posts.
4. The self-positioning punching fixture as described in claim 3, characterized in that: The guide post passes through the limiting plate and the pressure plate along the second direction and is fixed to the limiting plate; the limiting plate is provided with a second limiting member that cooperates with the second positioning plate at one end near the positioning component on the same side; the limiting plate also includes a third limiting member, which is symmetrically arranged about the second limiting member.
5. The self-positioning punching fixture as described in claim 4, characterized in that: The surface of the third limiting member is provided with a cutting tool, and the first limiting member also has an ejection section that cooperates with the cutting tool in the second direction. The pressure plate is movable in the second direction and cooperates with the guide post and the ejection section.
6. The self-positioning punching fixture as described in claim 5, characterized in that: The tooling includes a base, and the first moving part is disposed on the base. The first moving part includes a first slide rail, a first slider, and a transition plate. The first slider is slidably engaged with the first slide rail, and the transition plate is connected to the first slider. The first moving part also includes a second cylinder and a first stop block. One end of the second cylinder is engaged with the transition plate, and the first stop block is disposed at both ends of the first slide rail.
7. The self-positioning punching fixture as described in claim 6, characterized in that: The tooling also includes a first positioning post and a second positioning post. The limiting plate is connected to the adapter plate via the first positioning post, and the bearing plate is connected to the base via the second positioning post.
8. The self-positioning punching fixture as described in claim 7, characterized in that: The second moving part includes a first connector and a second slide rail. The first connector is connected to the frame, and the second slide rail is connected to the first connector. The third moving part includes a second connector and a third slide rail. One side of the second connector is connected to the second slide rail, and the other side is connected to the third slide rail.
9. The self-positioning punching fixture as described in claim 8, characterized in that: The fourth moving part includes a third connector and a fourth slide rail. One side of the third connector is connected to the third slide rail, and the other side is connected to the fourth slide rail. A suction cup is also connected to the fourth slide rail.
10. A self-positioning punching fixture as described in claim 9, characterized in that: The tooling also includes an adjustment part, which includes a fifth slide rail disposed on the frame, a slidable second slider disposed on the fifth slide rail, one side of the second slider being connected to the base, and second stops disposed at both ends of the fifth slide rail; the adjustment part also includes a fixing block, a lead screw and an adjusting component, the fixing block being connected to the base, the lead screw passing through the fixing block and having one end connected to the adjusting component.