Positioning tool for sheet metal machining

Abstract

This utility model discloses a positioning fixture for sheet metal processing, relating to the field of sheet metal processing technology. The utility model includes a base plate, on the upper surface of which two symmetrically distributed lifting mechanisms are fixedly mounted. A positioning mechanism is located inside each lifting mechanism, and a positioning plate is fixedly mounted on one side of each positioning mechanism. An anti-slip pad is fixedly mounted on one side of the positioning plate. Each lifting mechanism includes a lifting frame, the lower surface of which is fixedly fitted to the base plate. This utility model, through its lifting mechanism, achieves flexible and stable lifting of the lifting platform, enabling the positioning fixture to be quickly adjusted according to the height requirements of different sheet metal parts, thus improving the fixture's versatility and adaptability. Simultaneously, the design of the lifting rod, lifting block, and fastening bolts further enhances the stability of the lifting platform, ensuring that the positioning fixture will not shift or shake during processing, thereby guaranteeing the accuracy and stability of sheet metal processing.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal processing technology, specifically to a positioning fixture for sheet metal processing. Background Technology

[0002] Positioning fixtures for sheet metal processing are suitable for various sheet metal processing scenarios, such as positioning body panels in automobile manufacturing, precision forming of mechanical equipment housings, and component processing in the aerospace field. They ensure accuracy and stability during processing, improve production efficiency, and reduce scrap rates, making them an indispensable tool in the sheet metal processing industry.

[0003] However, existing technologies still have the following problems:

[0004] In existing sheet metal processing positioning fixtures, the lifting function is often not flexible or stable enough, making it impossible to quickly adjust the fixture according to the height requirements of different sheet metal parts, thus reducing the fixture's versatility and adaptability. At the same time, due to the insufficient stability of the lifting platform, the positioning fixture is prone to displacement or shaking during processing, which not only affects the accuracy of sheet metal processing but may also damage the processed parts and even cause safety hazards.

[0005] To address the aforementioned problems, the inventors have proposed a positioning fixture for sheet metal processing. Utility Model Content

[0006] In order to solve the problems of insufficient flexibility and inadequate stability of lifting functions, the purpose of this utility model is to provide a positioning fixture for sheet metal processing.

[0007] To solve the above technical problems, the present invention adopts the following technical solution: a positioning fixture for sheet metal processing, including a base plate, two symmetrically distributed lifting mechanisms fixedly mounted on the upper surface of the base plate, a positioning mechanism mounted inside the lifting mechanism, a positioning plate fixedly mounted on one side of the positioning mechanism, and an anti-slip pad fixedly mounted on one side of the positioning plate. The lifting mechanism includes a lifting frame, the lower surface of the lifting frame being fixedly fitted with the base plate, a lifting screw rotatably mounted on one side of the lifting frame, a lifting platform slidably mounted inside the lifting frame, the inner side of the lifting platform being fixedly connected to the positioning mechanism, and lifting rods fixedly mounted on both sides of the lifting platform. One end of one lifting rod is fixedly fitted with a lifting block, the inner side of the lifting block being threadedly fitted with the lifting screw, and a fastening bolt is fixedly mounted on one end of the other lifting rod.

[0008] Preferably, the positioning mechanism includes a positioning frame, with both sides of the positioning frame fixedly connected to the inner walls of both sides of the lifting platform. A positioning rod is slidably provided on the inner side of the positioning frame, with one end of the positioning rod fixedly connected to one side of the positioning plate. A movable plate is fixedly provided on one end of the positioning rod, and a positioning screw is rotatably provided on one side of the movable plate. Threaded grooves are provided on both inner walls of the positioning frame, and the threaded grooves are threadedly engaged with the positioning screw. A knob is fixedly provided on one end of the positioning screw, and a fastening bolt is inserted into one side of the positioning frame.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0010] This utility model achieves flexible and stable lifting functions of the lifting platform through a lifting mechanism, enabling the positioning fixture to be quickly adjusted according to the height requirements of different sheet metal processing parts, thus improving the versatility and adaptability of the fixture. At the same time, the design of the lifting rod, lifting block, and fastening bolts further enhances the stability of the lifting platform, ensuring that the positioning fixture will not shift or shake during processing, thereby guaranteeing the accuracy and stability of sheet metal processing. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 This is a schematic diagram of the lifting mechanism of this utility model.

[0014] Figure 3 This is a cross-sectional schematic diagram of the positioning mechanism of this utility model.

[0015] In the diagram: 1. Base plate; 2. Lifting mechanism; 3. Positioning mechanism; 4. Positioning plate; 5. Fixing hole; 20. Lifting frame; 21. Lifting screw; 22. Slide groove; 23. Lifting block; 24. Lifting rod; 25. Lifting platform; 27. Fastening bolt; 28. Lifting groove; 30. Positioning frame; 31. Positioning groove; 32. Positioning rod; 33. Moving plate; 34. Knob; 35. Anti-slip texture; 36. Positioning screw; 37. Threaded groove; 38. Anti-slip pad; 39. Fastening bolt. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example: Figure 1-3 As shown, this utility model provides a positioning fixture for sheet metal processing, including a base plate 1. Two symmetrically distributed lifting mechanisms 2 are fixedly mounted on the upper surface of the base plate 1. A positioning mechanism 3 is provided inside the lifting mechanism 2. A positioning plate 4 is fixedly mounted on one side of the positioning mechanism 3, and an anti-slip pad 38 is fixedly mounted on one side of the positioning plate 4. The lifting mechanism 2 includes a lifting frame 20, the lower surface of which is fixedly fitted to the base plate 1. A lifting screw 21 is rotatably mounted on one side of the lifting frame 20. A lifting platform 25 is slidably mounted inside the lifting frame 20. The inner side of the lifting platform 25 is fixedly connected to the positioning mechanism 3. Lifting rods 24 are fixedly installed on both sides of the lifting platform 25. One end of one lifting rod 24 is fixed with a lifting block 23, the inner side of which is threaded into a lifting screw 21. A fastening bolt 27 is fixed to one end of the other lifting rod 24. When using the lifting mechanism 2, the user first rotates the lifting screw 21. Since the lifting screw 21 is threaded into the lifting block 23, and the lifting block 23 is fixed to one end of the lifting rod 24, and the lifting rod 24 is fixed to both sides of the lifting platform 25, the rotation of the lifting screw 21 will cause the lifting platform 25 to slide upwards or downwards within the lifting frame 20. Lifting grooves 28 are provided on both sides of the lifting frame 20, sliding and fitting with the lifting rods 24 to ensure smooth lifting of the lifting platform 25. After the lifting platform 25 is adjusted to the required height, the user can fix the lifting platform 25 to the lifting frame 20 by tightening the fastening bolt 27 located at one end of the other lifting rod 24, preventing displacement during processing.

[0018] Multiple evenly spaced fixing holes 5 are fixedly provided on the upper surface of the base plate 1, which are fixedly engaged with the lifting frame 20. This design increases the connection stability between the tooling and the machining platform, allowing the tooling to be more firmly fixed on the machining platform, thus improving machining accuracy and safety. The lifting grooves 28 on both sides of the lifting frame 20 slide against the lifting rod 24. This design not only ensures the smooth lifting of the lifting platform 25 but also reduces frictional resistance during lifting, extending the service life of the tooling. The sliding grooves 22 on both sides of the lifting platform 25 slide against the inner side of the lifting frame 20. This design further enhances the stability of the lifting platform 25 during lifting, preventing swaying and deviation of the lifting platform 25, and improving machining accuracy.

[0019] The positioning mechanism 3 includes a positioning frame 30, with both sides of the positioning frame 30 fixedly connected to the inner walls of both sides of the lifting platform 25. A positioning rod 32 is slidably provided on the inner side of the positioning frame 30, with one end of the positioning rod 32 fixedly connected to one side of the positioning plate 4. A movable plate 33 is fixedly provided on one end of the positioning rod 32, and a positioning screw 36 is rotatably provided on one side of the movable plate 33. Threaded grooves 37 are provided on both sides of the inner walls of the positioning frame 30, and the threaded grooves 37 are threadedly engaged with the positioning screw 36. A knob 34 is fixedly provided on one end of the positioning screw 36, and a fastening bolt 39 is inserted into one side of the positioning frame 30. Through the positioning mechanism 3, when the user needs to adjust the position of the positioning plate 4, the knob 34 is first manually rotated. The rotation of the knob 34 drives the positioning screw 36, which is fixedly connected to it, to rotate synchronously. Because the positioning screw 36 is threadedly engaged with the threaded grooves 37 on both sides of the inner walls of the positioning frame 30, this rotational motion is converted into linear motion, causing the positioning screw 36 to move back and forth within the threaded grooves 37. The movement of the positioning screw 36 directly drives the rotating plate 33 connected to it, which in turn pushes the positioning rod 32 to slide in the positioning groove 31 inside the positioning frame 30. One end of the positioning rod 32 is fixedly connected to the positioning plate 4, so the sliding of the positioning rod 32 directly causes the position change of the positioning plate 4, thereby achieving precise positioning of the workpiece. When the positioning plate 4 moves to the required position, the position of the positioning rod 32 can be locked by the fastening bolt 39, ensuring that the positioning plate 4 remains stable during the processing and will not move due to external forces, thus ensuring processing accuracy and stability.

[0020] Multiple annular anti-slip grooves 35 on the outer side of the knob 34 increase the friction when the user rotates the knob 34, making it easier for the user to rotate the knob 34 and thus more convenient to adjust the position of the positioning plate 4, improving the ease of operation of the tooling. The positioning groove 31 on the inner side of the positioning frame 30 slides and fits with the positioning rod 32. This design ensures the stability and accuracy of the positioning rod 32 during movement, allowing the positioning plate 4 to be more accurately positioned on the workpiece, improving machining accuracy and efficiency.

[0021] Working principle: When using the lifting mechanism 2, the user first rotates the lifting screw 21. Since the lifting screw 21 is threadedly engaged with the lifting block 23, and the lifting block 23 is fixed to one end of the lifting rod 24, which in turn is fixed to both sides of the lifting platform 25, the rotation of the lifting screw 21 will cause the lifting platform 25 to slide upwards or downwards within the lifting frame 20. Lifting grooves 28 are provided on both sides of the lifting frame 20, which slide and fit against the lifting rod 24, ensuring smooth lifting of the lifting platform 25. After the lifting platform 25 is adjusted to the required height, the user can fix the lifting platform 25 to the lifting frame 20 by tightening the fastening bolt 27 located at one end of the other lifting rod 24, preventing displacement during processing.

[0022] When the user needs to adjust the position of the positioning plate 4 via the positioning mechanism 3, they first manually rotate the knob 34. The rotation of the knob 34 drives the positioning screw 36, which is fixedly connected to it, to rotate synchronously. Since the positioning screw 36 is threaded into the threaded grooves 37 on both sides of the positioning frame 30, this rotational motion is converted into linear motion, causing the positioning screw 36 to move back and forth within the threaded grooves 37. The movement of the positioning screw 36 directly drives the movable plate 33, which is rotatably connected to it, thereby pushing the positioning rod 32 to slide in the positioning groove 31 inside the positioning frame 30. One end of the positioning rod 32 is fixedly connected to the positioning plate 4, so the sliding of the positioning rod 32 directly causes the position change of the positioning plate 4, thus achieving precise positioning of the workpiece. After the positioning plate 4 moves to the desired position, the position of the positioning rod 32 can be locked by the fastening bolt 39, ensuring that the positioning plate 4 remains stable during processing and will not move due to external forces, thus guaranteeing processing accuracy and stability.

[0023] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A positioning tool for sheet metal machining, comprising a base plate (1), characterized in that: Two symmetrically distributed lifting mechanisms (2) are fixedly provided on the upper surface of the base plate (1). A positioning mechanism (3) is provided on the inner side of the lifting mechanism (2). A positioning plate (4) is fixedly provided on one side of the positioning mechanism (3). An anti-slip pad (38) is fixedly provided on one side of the positioning plate (4).

2. The positioning tool for sheet metal working according to claim 1, wherein The lifting mechanism (2) includes a lifting frame (20), the lower surface of which is fixedly fitted to the base plate (1). A lifting screw (21) is rotatably provided on one side of the lifting frame (20), and a lifting platform (25) is slidably provided on the inner side of the lifting frame (20). The inner side of the lifting platform (25) is fixedly connected to the positioning mechanism (3). Lifting rods (24) are fixedly provided on both sides of the lifting platform (25). One end of one of the lifting rods (24) is fixedly provided with a lifting block (23), and the inner side of the lifting block (23) is threadedly fitted with the lifting screw (21). One end of the other lifting rod (24) is fixedly provided with a fastening bolt (27).

3. The positioning tool for sheet metal working according to claim 1, wherein The positioning mechanism (3) includes a positioning frame (30), with both sides of the positioning frame (30) fixedly connected to the inner walls of both sides of the lifting platform (25). A positioning rod (32) is slidably provided on the inner side of the positioning frame (30). One end of the positioning rod (32) is fixedly connected to one side of the positioning plate (4). A movable plate (33) is fixedly provided on one end of the positioning rod (32). A positioning screw (36) is rotatably provided on one side of the movable plate (33). Threaded grooves (37) are provided on both sides of the inner walls of the positioning frame (30). The threaded grooves (37) are threadedly engaged with the positioning screw (36). A knob (34) is fixedly provided on one end of the positioning screw (36). A fastening bolt (39) is inserted into one side of the positioning frame (30).

4. The positioning tool for sheet metal working according to claim 2, wherein The upper surface of the base plate (1) is provided with a plurality of fixing holes (5) that are evenly distributed, and the fixing holes (5) are fixedly engaged with the lifting frame (20).

5. The positioning tool for sheet metal working according to claim 2, wherein The lifting frame (20) has lifting grooves (28) on both sides, and the inner side of the lifting groove (28) slides against the lifting rod (24).

6. The positioning tool for sheet metal working according to claim 2, wherein The lifting platform (25) has sliding grooves (22) on both sides, and the sliding grooves (22) slide against the inner side of the lifting frame (20).

7. The positioning tool for sheet metal working according to claim 3, wherein The knob (34) has multiple anti-slip textures (35) arranged in a ring on its outer side.

8. A positioning fixture for sheet metal processing as described in claim 3, characterized in that, The positioning frame (30) has a positioning groove (31) on its inner side, and the inner side of the positioning groove (31) is slidably attached to the positioning rod (32).

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