A fixture for processing metal stamping parts

By improving the fixture for processing metal stamping parts, the problems of low efficiency in clamping irregular parts, burrs affecting safety, and chip jamming in the existing technology have been solved. Stable clamping of irregular parts and chip prevention have been achieved, thereby improving equipment life and product quality.

CN224425238UActive Publication Date: 2026-06-30宁波挚航五金有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
宁波挚航五金有限公司
Filing Date
2025-07-15
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The existing technology can only clamp regular parts. The existing technology has the following technical problems with different models: the existing technology cannot effectively clamp irregular protruding parts, and requires frequent clamping changes, resulting in low efficiency. At the same time, the burrs on the stamped parts are not treated, which affects the safety and effect of use. Furthermore, the flying debris during processing causes the screw to jam, affecting the life of the equipment and the stability of operation.

Method used

A fixture for processing metal stamping parts was designed. It adopts a structure including clamping plates, clamping blocks, adjusting grooves, and fixing blocks, which can adapt to clamping different types of workpieces and expose the workpiece surface for grinding and deburring after clamping. Stable support is provided by arc grooves, pillars and tie rods to prevent debris from entering the sliding groove. Air jets are used to prevent debris from entering the sliding groove and improve the service life of the equipment.

Benefits of technology

It achieves stable clamping of irregularly shaped protrusions, removes burrs to improve safety and effectiveness, prevents debris from affecting normal equipment operation, extends equipment life, and improves production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model belongs to the field of stamping fixture technology, specifically a fixture for processing metal stamping parts. It includes a mounting plate, a movable plate slidably mounted on the upper surface of the mounting plate, and two sets of clamping plates slidably mounted on opposite sides of the movable plate. A clamping block is rotatably mounted on the opposite short sides of each set of clamping plates. An adjustment groove is formed on the opposite side of the clamping block, and a second bidirectional lead screw is rotatably mounted inside the adjustment groove. The surface of the second bidirectional lead screw is threaded and slides within the adjustment block inside the adjustment groove. Removable fixing blocks are fixedly mounted at the opposite ends of the two sets of adjustment blocks. The fixing blocks are angled, and each set of two fixing blocks forms a V-shape. Through the clamping plates, clamping blocks, adjustment grooves, and fixing blocks, not only can flat parts be clamped, but also protruding irregularly shaped workpieces can be clamped. After clamping, the outer surface of the workpiece is exposed, facilitating grinding and deburring, greatly improving the efficiency of use.
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Description

Technical Field

[0001] This utility model belongs to the field of stamping fixture technology, and in particular relates to a fixture for processing metal stamping parts. Background Technology

[0002] Hardware refers to parts made from steel or some non-ferrous metals. Processing methods include cold or hot stamping, extrusion, rolling, welding, cutting, etc., as well as other processes. Among hardware parts, stamped hardware parts are the most widely used workpieces in hardware processing. They refer to the parts made from steel or non-ferrous metal sheets at room temperature using molds and pressure provided by a press to form a specified shape. They are widely used in automobiles, electrical components, daily necessities and other fields.

[0003] For example, patent application number CN202322264751.1 discloses a fixture for processing metal stamping parts. It includes a support frame, a table mounted on the upper end of the support frame, a vertical plate mounted on the upper surface of the table frame, and a drilling and grinding device mounted on the lower surface of the vertical plate; an auxiliary structure located on the upper surface of the table frame, the auxiliary structure including two vertical rods fixedly connected to the table frame, a screw fixedly connected to the upper end of each vertical rod, two moving blocks slidably connected to the arc surface of the screw, threaded rings rotatably connected to the opposite sides of the two moving blocks, the threaded rings being threadedly connected to the screw, a fixing rod fixedly connected to the upper surface of each moving block, and an arc plate fixedly connected to the upper surface of the fixing rod. This utility model provides a fixture for processing metal stamping parts, which has the advantage of conveniently clamping different types of metal parts.

[0004] Existing technology can clamp different types of hardware parts, but there are still some shortcomings in its overall use:

[0005] First, the existing technology can only clamp normal regular parts and cannot clamp protruding irregular plates. It has certain limitations in use, which means that different clamps need to be used when clamping protruding parts, which is time-consuming and laborious and reduces work efficiency.

[0006] Secondly, after the metal stamping parts are processed, stamping burrs will be generated on the outer surface of the stamping parts. If they are not cleaned, they will not only affect the use effect, but the burrs may also cut the user, reducing the use effect.

[0007] Finally, although the above-mentioned existing technology can clean the machining waste on the surface of the fixture, during the machining process, the metal debris will still scatter and fly around, causing the debris to stick to the surface of the screw and the moving groove, resulting in the slider being blocked during movement. At the same time, it affects the thread fit, cannot guarantee the normal operation of the parts, and reduces the service life. Utility Model Content

[0008] In order to overcome the shortcomings of the prior art, this utility model solves the following technical problems: it can only clamp regular parts, and requires frequent clamping changes for irregular protrusions, resulting in low efficiency. At the same time, the burrs on the stamped parts are not treated, which affects the safety and effect of use. In addition, it also solves the technical problem that the flying debris during processing can easily cause the screw to jam, which affects the life of the equipment and the stability of operation, thus reducing production efficiency and product quality.

[0009] To achieve the above objectives, this utility model provides the following technical solution: a fixture for processing metal stamping parts, comprising a mounting plate, on the upper surface of which two symmetrically arranged movable plates are slidably mounted, and on the opposite surfaces of the movable plates two sets of symmetrically arranged clamping plates are slidably mounted, with a clamping block rotatably mounted on the opposite short side of each set of clamping plates, and an adjustment groove formed on the opposite surface of the clamping block, with a second bidirectional lead screw rotatably mounted inside the adjustment groove, and an adjustment block sliding inside the adjustment groove having a threaded engagement on the surface of the second bidirectional lead screw, the height of the adjustment block being lower than the upper surface of the clamping block, and detachable fixing blocks fixedly mounted on the opposite ends of the two sets of adjustment blocks, the end faces of the fixing blocks being beveled, and the two fixing blocks in each set forming a V shape.

[0010] Optionally, each pair of clamping plates has an arc-shaped groove on its opposite surface, and a support column that is fixed to one end of the clamping block is slidably installed inside the arc-shaped groove.

[0011] Optionally, a pull rod is fixedly installed between the long and short sides of the clamping plate, and the pull rod and the long and short sides of the clamping plate are arranged in a triangle.

[0012] Optionally, the two movable plates have a first sliding groove on their opposite surfaces, and the first sliding groove is rotatably mounted to a first bidirectional lead screw, with each set of two clamping plates symmetrically slidingly engaged with the surface of the first bidirectional lead screw.

[0013] Optionally, limiting grooves are provided on both sides of the first slide groove on the surface of the moving plate, and the clamping plate also slides inside the limiting grooves.

[0014] Optionally, the upper surface of the mounting plate is provided with a second sliding groove, the movable plate slides inside the second sliding groove, and baffles that slide inside the second sliding groove are fixedly installed on both sides of the movable plate.

[0015] Optionally, a sealing strip is fixedly installed on the inner surface of the second groove.

[0016] Optionally, air holes are provided inside both the first slide groove and the limiting groove, with the air holes inside the first slide groove located on both sides of the first bidirectional lead screw.

[0017] In summary, compared with existing technologies, the beneficial effects of this solution are as follows:

[0018] (1) This utility model is equipped with clamping plates, clamping blocks, adjusting grooves, adjusting blocks and fixing blocks, etc., which can not only clamp flat parts but also clamp protruding irregular workpieces. After clamping, the outer surface of the workpiece can be exposed, which is convenient for grinding and deburring of the workpiece, and greatly improves the use effect.

[0019] (2) This utility model provides stable support when clamping workpieces by setting up arc grooves, pillars and tie rods, which improves the stability of clamping workpieces, thereby facilitating subsequent processing, improving the accuracy of processing, and thus improving product quality.

[0020] (3) By setting baffles, sealing strips and air holes, this utility model can ensure the sealing environment inside the sliding groove during clamping operation, prevent the debris generated by subsequent workpieces from entering the sliding groove, affecting the normal operation of its internal parts, and improving the service life of the equipment. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 for Figure 1 Enlarged structural diagram at point A in the diagram;

[0023] Figure 3 This is a front view structural diagram of the present invention;

[0024] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure at point BB;

[0025] Figure 5 This is a top view of the structure of this utility model;

[0026] Figure 6 for Figure 5 Schematic diagram of the cross-sectional structure at point CC;

[0027] Figure 7 for Figure 6 A magnified structural diagram at point D in the diagram.

[0028] In the figure: Mounting plate 10; Fixing plate 11; Side plate 12; Electric push cylinder 13; Moving plate 14; First slide groove 15; First double-acting lead screw 16; Limiting groove 17; Clamping plate 18; Clamping block 19; Adjusting groove 20; Second double-acting lead screw 21; Knob 22; Adjusting block 23; Fixing block 24; Arc groove 25; Support column 26; Pull rod 27; Second slide groove 28; Baffle 29; Sealing strip 30; Air pump 31; Air hole 32. Detailed Implementation

[0029] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0030] Example 1:

[0031] refer to Figure 1 A fixture for processing metal stamping parts includes a mounting plate 10. Two sets of symmetrically arranged fixing plates 11 are fixedly installed on both sides of the mounting plate 10. The fixing plates 11 have threaded holes inside, and the device can be fixed to the processing equipment by fastening screws.

[0032] Further reference Figure 1 Side plates 12 are fixedly installed on both sides of the mounting plate 10. Electric push cylinders 13 are fixedly installed on the opposite sides of the two side plates 12. A moving plate 14 is fixedly installed on the conveying end of the electric push cylinder 13. When in use, the two electric push cylinders 13 push the moving plate 14 to move in the center, so that the moving plate 14 moves towards the workpiece, which facilitates the subsequent clamping work.

[0033] Further reference Figure 3 and Figure 4 Each of the two movable plates 14 has a first sliding groove 15 inside. A first bidirectional lead screw 16 is rotatably installed inside the first sliding groove 15. The top end of the first bidirectional lead screw 16 passes through the upper surface of the movable plate 14, and a rotating wheel is fixedly installed at the end. When the rotating wheel is rotated, the first bidirectional lead screw 16 rotates. Two sets of symmetrically arranged limiting grooves 17 are opened on the opposite surfaces of the two movable plates 14. Two L-shaped clamping plates 18 that slide inside the first sliding groove 15 are threaded on the surface of the first bidirectional lead screw 16. The two clamping plates 18 slide in the two sets of sliding grooves respectively. When the two movable plates 14 move to the two ends of the workpiece, the rotating wheel is rotated to make the first bidirectional lead screw 16 rotate. When the first bidirectional lead screw 16 rotates, it drives the two clamping plates 18 connected to it to move in the center, which facilitates the subsequent clamping work at both ends of the workpiece. In addition, the clamping plates 18 also slide inside the limiting grooves 17, which can limit the two sides of the clamping plates 18, so that the clamping plates 18 improve the clamping stability and clamping effect when they move in the center.

[0034] Further reference Figure 1 and Figure 2A clamping block 19 is rotatably mounted on the top of the clamping plate 18. An adjustment groove 20 is provided inside the clamping block 19. A second bidirectional lead screw 21 is rotatably mounted inside the adjustment groove 20. One end of the second bidirectional lead screw 21 passes through one side of the clamping block 19 and is fixedly mounted with a knob 22. Two symmetrically arranged adjustment blocks 23 are threaded on the surface of the second bidirectional lead screw 21. A detachable fixing block 24 is rotatably mounted on the top of the adjustment block 23. The fixing block 24 is set at an angle and the two fixing blocks 24 are V-shaped as a whole. When the clamping plate 18 clamps both ends of the workpiece, the clamping block 19 can be rotated so that the clamping block 19 can change direction. When clamping a narrow workpiece, it can be rotated to a minimum position perpendicular to the clamping plate 18, which is convenient for using narrow workpieces. When clamping a wide workpiece, the clamping block 19 can be rotated to a maximum position parallel to the clamping plate 18, which is convenient for using wide workpieces and improves the use effect. After clamping the workpiece, pressure can be applied to make the clamping block 19 abut against the workpiece, preventing the clamping block 19 from rotating. At the same time, the setting of the fixing block 24 allows for the adjustment of the distance between the two adjusting blocks 23 according to the size of the protrusion when dealing with irregularly shaped workpieces, such as those with protrusions on the top and bottom surfaces. This allows the two angled fixing blocks 24 to clamp the protrusion, further improving the usability. In addition, the fixing block 24 and the adjusting block 23 are rotatably mounted to adjust the rotation angle of the fixing block 24, thereby clamping protruding surfaces at different angles. It should be noted that when clamping a flat workpiece, the fixing block 24 can be removed. The height of the adjusting block 23 is lower than the surface height of the clamping block 19, which will not affect the clamping.

[0035] Since the workpiece is stamped, burrs will appear on its outer surface, which can easily cut the user during use. To solve the burr problem, the above technical solution can clamp the workpiece from both ends while exposing its outer surface, making it easier for workers to grind and remove the burrs, thus greatly improving the performance.

[0036] Further reference Figure 2 A pull rod 27 is fixedly installed between the short and long sides of the clamping plate 18. The pull rod 27 and the L-shaped clamping plate 18 are arranged in a triangle, which improves the stability of the clamping operation of the clamping plate 18 and facilitates the subsequent processing of the workpiece.

[0037] Further reference Figure 2The upper surface of the clamping plate 18 is provided with an arc-shaped groove 25. A first bidirectional lead screw 16, which is fixed to the lower surface of one end of the clamping block 19, is slidably installed inside the arc-shaped groove 25. When the clamping block 19 rotates, it drives the connected support column 26 to slide inside the arc-shaped groove 25, so that when the clamping block 19 clamps the workpiece, the support column 26 can support the end of the clamping block 19, further improving the stability of clamping the workpiece.

[0038] Example 2:

[0039] A fixture for processing metal stamping parts, a further embodiment based on Embodiment 1, is provided for reference. Figure 5 , Figure 6 and Figure 7 The upper surface of the mounting plate 10 is provided with a second sliding groove 28. The movable plate 14 slides inside the second sliding groove 28, ensuring the stability of the movable plate 14 when moving and clamping the workpiece. Baffles 29 are fixedly installed on both sides of the movable plate 14 and slide inside the movable plate 14. When the movable plate 14 slides forward or backward, the baffles 29 can seal the second sliding groove 28 to prevent the debris generated during the grinding and deburring of the workpiece from entering the interior of the second sliding groove 28 and hindering the sliding of the movable plate 14, thus affecting the normal use of the movable plate 14. A sealing strip 30 is sealed at the connection between the inner surface of the second sliding groove 28 and the movable plate 14, which further improves the sealing effect between the movable plate 14 and the second sliding groove 28, and also improves the sealing effect between the baffles 29 and the movable plate 14, effectively preventing burrs from entering from the gaps at the connection and improving the use effect.

[0040] Further reference Figure 1 and Figure 4 The movable plate 14 has an internal cavity, and an air pump 31 is fixedly installed on the outside of the movable plate 14. The air outlet of the air pump 31 is connected to the internal cavity of the movable plate 14. The limiting groove 17 and the first sliding groove 15 have multiple air holes 32 that are connected to the cavity. The air holes 32 in the first sliding groove 15 are located on both sides of the first bidirectional lead screw 16. When the workpiece is being ground and deburred, the air holes 32 workpiece is blown outward through the air holes 32, so that the waste chips will not enter the limiting groove 17 and the first sliding groove 15, thereby not affecting the sliding effect of the clamping plate 18 and the rotation effect of the lead screw, and improving the service life of the equipment.

[0041] Finally, it should be noted that the fixture for processing metal stamping parts of this utility model needs to protect the various mechanical structures and related motion logic in this solution. Therefore, it does not elaborate on the various sensors, detectors and driving components required for the actual operation of the various mechanical structures. However, for those skilled in the art, various control systems and electrical connection methods, including various electrical components and driving components, can be completed using conventional technical means. As long as the beneficial effects or the specific actions during the above work can be achieved, they can be implemented. This solution does not impose too many restrictions.

[0042] Furthermore, the air pump 31 and other components in the hardware stamping fixture of this utility model are all purchased from the market. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0043] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes that element.

[0044] The foregoing description illustrates and describes several preferred embodiments of this application. However, as previously stated, it should be understood that this application is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the conception outlined herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of this application should be within the protection scope of the appended claims.

Claims

1. A fixture for processing metal stamping parts, comprising a mounting plate (10), characterized in that, Two symmetrically arranged movable plates (14) are slidably installed on the upper surface of the mounting plate (10). Two sets of symmetrically arranged clamping plates (18) are slidably installed on the opposite surfaces of the movable plates (14). A clamping block (19) is rotatably installed on the opposite short side of each set of clamping plates (18). An adjustment groove (20) is opened on the opposite surface of the clamping block (19). A second bidirectional lead screw (21) is rotatably installed inside the adjustment groove (20). An adjustment block (23) that slides inside the adjustment groove (20) is threaded on the surface of the second bidirectional lead screw (21). The height of the adjustment block (23) is lower than the upper surface of the clamping block (19). A detachable fixing block (24) is fixedly installed on the opposite ends of the two sets of adjustment blocks (23). The end face of the fixing block (24) is set with an inclination, and the two fixing blocks (24) in each set are V-shaped as a whole.

2. The fixture for processing metal stamping parts according to claim 1, characterized in that, Each pair of clamping plates (18) has an arc-shaped groove (25) on its opposite surface, and a support column (26) that is fixed to one end of the clamping block (19) is slidably installed inside the arc-shaped groove (25).

3. The fixture for processing metal stamping parts according to claim 2, characterized in that, A pull rod (27) is fixedly installed between the long side and the short side of the clamping plate (18), and the pull rod (27) and the long side and the short side of the clamping plate (18) are arranged in a triangle.

4. The fixture for processing metal stamping parts according to claim 1, characterized in that, The two movable plates (14) have a first groove (15) on their opposite sides. The first groove (15) is rotatably mounted to the first bidirectional lead screw (16). Each set of two clamping plates (18) slides symmetrically on the surface of the first bidirectional lead screw (16).

5. A fixture for processing metal stamping parts according to claim 4, characterized in that, The first slide groove (15) has limiting grooves (17) on both sides on the surface of the moving plate (14), and the clamping plate (18) slides inside the limiting grooves (17).

6. A fixture for processing metal stamping parts according to claim 1, characterized in that, The upper surface of the mounting plate (10) is provided with a second sliding groove (28), the movable plate (14) slides inside the second sliding groove (28), and baffles (29) that slide inside the second sliding groove (28) are fixedly installed on both sides of the movable plate (14).

7. A fixture for processing metal stamping parts according to claim 6, characterized in that, A sealing strip (30) is fixedly installed on the inner surface of the second groove (28).

8. A fixture for processing metal stamping parts according to claim 5, characterized in that, Both the first slide groove (15) and the limiting groove (17) are provided with air holes (32), and the air holes (32) inside the first slide groove (15) are located on both sides of the first bidirectional lead screw (16).