A part machining positioning fixture

Abstract

This utility model relates to the field of parts processing technology, specifically a parts processing positioning fixture, comprising: a worktable, on which a V-shaped fixing plate is connected and disposed, with clamping grooves evenly spaced on the inner walls of both sides of the V-shaped fixing plate; a cylinder is connected and disposed on the worktable, with a clamping platform connected to the end of the cylinder; a clamping assembly is disposed on the clamping platform; by positioning and inserting a suitable clamping head into the mounting groove on the moving block and engaging it with the end wall of the moving groove, the position of the clamping head and the moving block is adjusted by moving along the clamping platform; after inserting the insertion rod into the first insertion hole and the second insertion hole, the knob bolt is screwed into the threaded hole to fix the position of the clamping head; by adjusting one side of the part to engage with the V-shaped fixing plate; and by the cylinder pushing the clamping platform to move, the clamping head contacts and clamps the part, providing a stable clamping fulcrum. The operation is simple, and the device is suitable for positioning and clamping parts with shapes such as right triangles and pentagons.

Description

Technical Field

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

[0002] Chinese patent document CN222095752U discloses a part machining positioning fixture, mainly comprising a main structure, a clamping and positioning structure, an angle adjustment structure, and a fixing structure. The main structure includes a base and a vertical plate fixedly connected to the upper surface of the base. The clamping and positioning structure is located in front of the vertical plate and includes a U-shaped frame, a movable component connected to the U-shaped frame, and a pair of clamping members connected to the movable component. The angle adjustment structure is fixedly connected to the vertical plate and the side of the U-shaped frame facing the vertical plate, for driving the U-shaped frame to rotate vertically. The fixing structure is connected to the U-shaped frame and the clamping members, for fixing the clamping members and the U-shaped frame together. This invention can adjust the angle of the part, facilitating machining at other angles without disassembling and reassembling the part, thus minimizing impact on machining efficiency and allowing for easy replacement of the clamping members.

[0003] However, in the above-mentioned solutions and existing technologies, during part processing, the positioning fixture achieves part positioning and clamping by moving the symmetrically arranged clamping heads to engage with the side walls of the part. During use, for some parts with special shapes, such as right triangles and pentagons, the position of the clamping heads in the device is not easy to adjust to provide a clamping fulcrum for contacting the part, which requires improvement and optimization. Utility Model Content

[0004] The purpose of this utility model is to provide a part machining positioning fixture to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a part processing positioning fixture, comprising: a worktable, a V-shaped fixing plate connected to the worktable, clamping grooves being equidistantly provided on the inner walls of both sides of the V-shaped fixing plate, a cylinder connected to the worktable, a clamping platform connected to the end of the cylinder, and the clamping platform being snapped onto the worktable; a clamping assembly is provided on the clamping platform, the clamping assembly comprising: a moving block, a clamping head, and a fixing plate.

[0006] Preferably, the front side wall of the clamping platform is provided with a moving groove, trapezoidal guide plates are symmetrically connected to the front side wall of the clamping platform, first insertion holes are provided at equal intervals on the upper side wall of the clamping platform, and a moving block is snapped into the front end of the clamping platform.

[0007] Preferably, the side wall of the movable block is provided with an installation groove, and trapezoidal guide grooves are symmetrically provided on the side wall of the movable block. The trapezoidal guide grooves are movably engaged with the trapezoidal guide plate, and a clamping head is inserted into the installation groove.

[0008] Preferably, the clamping head is engaged with the end wall of the moving groove, one side of the end of the clamping head is inclined, a second insertion hole is provided on the clamping head, and a fixing plate is connected to the side wall of the moving block.

[0009] Preferably, the fixing plate has a threaded hole, a knob bolt is threaded into the threaded hole, and a plug is connected to the end of the knob bolt. The plug is inserted into the first plug hole and the second plug hole.

[0010] Preferably, the knob bolt end cap has an annular groove, the fixing plate has a square groove, the two ends of the limiting post are connected to the two side walls of the square groove, an L-shaped locking plate is snapped into the square groove, the L-shaped locking plate is sleeved with the limiting post, a spring is set on the side end of the L-shaped locking plate, the spring is sleeved on the limiting post, and the L-shaped locking plate is snapped into the annular groove.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] By positioning and inserting the appropriate clamping head into the mounting groove on the moving block and engaging it with the end wall of the moving groove, the position of the clamping head and the moving block is adjusted by moving along the clamping table. After inserting the insertion rod into the first insertion hole and the second insertion hole, the knob bolt is screwed into the threaded hole to fix the position of the clamping head. The part is then engaged with the V-shaped fixing plate on one side. The cylinder pushes the clamping table to move, so that the clamping head contacts and clamps the part, providing a stable clamping fulcrum. The operation is simple, and the device is suitable for positioning and clamping parts with shapes such as right triangles and pentagons. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the clamping platform structure connection of this utility model;

[0015] Figure 3 This is an exploded view of the movable block structure connection of this utility model;

[0016] Figure 4 This utility model Figure 3 A magnified view of a portion of the image.

[0017] In the diagram: 1. Workbench; 2. V-shaped fixing plate; 3. Clamping groove; 4. Cylinder; 5. Clamping platform; 6. Moving groove; 7. Trapezoidal guide plate; 8. First insertion hole; 9. Moving block; 10. Mounting groove; 11. Trapezoidal guide groove; 12. Clamping head; 13. Second insertion hole; 14. Fixing plate; 15. Threaded hole; 16. Knob bolt; 17. Insert rod; 18. Ring groove; 19. Square groove; 20. Limiting post; 21. L-shaped clamping plate; 22. Spring. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] Please see Figures 1-4 This utility model provides a technical solution: a part processing positioning fixture, including: a worktable 1, a V-shaped fixing plate 2 connected to the worktable 1, clamping grooves 3 evenly spaced on the inner walls of both sides of the V-shaped fixing plate 2, a cylinder 4 connected to the worktable 1, a clamping platform 5 connected to the end of the cylinder 4, and the clamping platform 5 being snapped onto the worktable 1; the clamping platform 5 is provided with a clamping assembly.

[0020] A clamping groove 3 is adapted to be provided on the V-shaped fixing plate 2 fixedly set on the workbench 1 to provide suitable clamping point fulcrum for parts such as right triangles, pentagons and other shapes. In conjunction with the cylinder 4, the clamping table 5 is moved so that the clamping head 12 installed on the clamping table 5 can position and clamp the parts.

[0021] The clamping platform 5 has a moving groove 6 on its front side wall, trapezoidal guide plates 7 are symmetrically connected on the front side wall of the clamping platform 5, first insertion holes 8 are equidistantly opened on the upper side wall of the clamping platform 5, and a moving block 9 is snapped onto the front end of the clamping platform 5.

[0022] The movable block 9 has an installation groove 10 on its side wall, and trapezoidal guide grooves 11 are symmetrically provided on the side wall of the movable block 9. The trapezoidal guide grooves 11 are movably engaged with the trapezoidal guide plate 7, and a clamping head 12 is inserted into the installation groove 10.

[0023] The trapezoidal guide groove 11 on the movable block 9 is movably engaged with the trapezoidal guide plate 7, so that the clamping head 12 inserted in the mounting groove 10 can move along the clamping table 5 with the movable block 9, thereby adjusting the clamping fulcrum position of the clamping head 12 on the part.

[0024] The clamping head 12 is engaged with the end wall of the moving groove 6. One side of the end of the clamping head 12 is set with an inclined surface. A second insertion hole 13 is opened on the clamping head 12. A fixing plate 14 is connected to the side wall of the moving block 9.

[0025] The clamping head 12 has an inclined surface on one side to adapt to the inclined surface of the contact part, making the positioning and clamping of the part more stable.

[0026] The fixing plate 14 has a threaded hole 15, and a knob bolt 16 is threadedly connected to the threaded hole 15. A plug rod 17 is connected to the end of the knob bolt 16, and the plug rod 17 is inserted into the first plug hole 8 and the second plug hole 13.

[0027] The knob bolt 16 is screwed into the threaded hole 15, so that the insertion rod 17 is stably inserted into the first insertion hole 8 and the second insertion hole 13, thereby fixing the position of the clamping head 12 and the moving block 9.

[0028] The knob bolt 16 has an annular groove 18 on its end cap and a square groove 19 on its fixing plate 14. The two ends of the limiting post 20 are connected to the two side walls of the square groove 19. An L-shaped locking plate 21 is snapped into the square groove 19. The L-shaped locking plate 21 is sleeved with the limiting post 20. A spring 22 is set on the side end of the L-shaped locking plate 21. The spring 22 is sleeved on the limiting post 20. The L-shaped locking plate 21 is snapped into the annular groove 18.

[0029] The compressed spring 22 returns to its original position and applies a thrust to the L-shaped retaining plate 21, causing its end to insert into the annular groove 18 on the end cap of the knob bolt 16. The arc-shaped end of the L-shaped retaining plate 21 can better fit the annular groove 18, thereby preventing the knob bolt 16 from loosening.

[0030] Working principle: According to the shape requirements of the part to be clamped, the appropriate clamping head 12 is inserted into the mounting groove 10 on the moving block 9 until the clamping head 12 is engaged with the end wall of the moving groove 6. The position of the clamping head 12 and the moving block 9 is adjusted by moving along the clamping table 5. After the insertion rod 17 is inserted into the first insertion hole 8 and the second insertion hole 13, the knob bolt 16 is screwed into the threaded hole 15. The compressed spring 22 returns to its original position and pushes the end of the L-shaped clamping plate 21 into the annular groove 18 on the end cap of the knob bolt 16, thereby fixing the position of the clamping head 12. Adjust one side of the part to engage with the V-shaped fixing plate 2. The cylinder 4 pushes the clamping table 5 to move so that the clamping head 12 contacts and squeezes the part to provide a stable clamping fulcrum. The operation is simple and the device is suitable for positioning and clamping parts with shapes such as right triangles and pentagons.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A part machining positioning fixture, comprising: A workbench (1) is provided with a V-shaped fixing plate (2) connected to the workbench (1). Clamping grooves (3) are provided at equal intervals on the inner walls of both sides of the V-shaped fixing plate (2). A cylinder (4) is connected to the workbench (1). A clamping table (5) is connected to the end of the cylinder (4). The clamping table (5) is snapped onto the workbench (1). The feature is that the clamping platform (5) is provided with a clamping assembly, which includes: a moving block (9), a clamping head (12), and a fixing plate (14).

2. The part machining positioning fixture of claim 1, wherein: The clamping platform (5) has a moving groove (6) on its front side wall, trapezoidal guide plates (7) are symmetrically connected on its front side wall, first insertion holes (8) are equidistantly opened on its upper side wall, and a moving block (9) is snapped onto the front end of the clamping platform (5).

3. The part machining positioning fixture of claim 2, wherein: The side wall of the movable block (9) is provided with an installation groove (10), and a trapezoidal guide groove (11) is symmetrically provided on the side wall of the movable block (9). The trapezoidal guide groove (11) is movably engaged with the trapezoidal guide plate (7), and a clamping head (12) is inserted into the installation groove (10).

4. The part machining positioning fixture of claim 3, wherein: The clamping head (12) is engaged with the end wall of the moving groove (6). One side of the end of the clamping head (12) is inclined. A second insertion hole (13) is provided on the clamping head (12). A fixing plate (14) is connected to the side wall of the moving block (9).

5. The part machining positioning fixture of claim 4, wherein: The fixing plate (14) has a threaded hole (15), and a knob bolt (16) is threadedly connected to the threaded hole (15). A plug rod (17) is connected to the end of the knob bolt (16), and the plug rod (17) is inserted into the first plug hole (8) and the second plug hole (13).

6. A part machining positioning fixture according to claim 5, characterized in that: The knob bolt (16) has an annular groove (18) on its end cap and a square groove (19) on its fixing plate (14). The two ends of the limiting post (20) are connected to the two side walls of the square groove (19). An L-shaped clamping plate (21) is snapped into the square groove (19). The L-shaped clamping plate (21) is sleeved with the limiting post (20). A spring (22) is set on the side end of the L-shaped clamping plate (21). The spring (22) is sleeved on the limiting post (20). The L-shaped clamping plate (21) is snapped into the annular groove (18).

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