Clamp for machining projectile body
By designing the fixture structure of the slide groove, limit groove and fixed parts, the problems of complex operation of the existing fixture and looseness of the arc-shaped workpiece are solved, and the effect of efficient clamping and stability is achieved.
Patent Information
- Application Number
- CN202422550892.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-10-22
AI Technical Summary
Existing fixtures for projectile machining are complex to operate and difficult to efficiently clamp workpieces of different sizes. In particular, curved workpieces are prone to loosening and falling off, affecting the machining quality.
A clamp structure including a slide groove, a limit groove, a movable block and a fixed component is designed. The flexible clamping of the workpiece is achieved through the cooperation of the threaded rod and the fixed nut. At the same time, the design of the limit component and the clamping groove ensures the stable clamping of the arc-shaped workpiece.
It realizes the easy clamping of workpieces of different sizes, improves the operating efficiency, and effectively prevents the arc-shaped workpieces from loosening and falling off, ensuring the processing quality.
Smart Images

Figure CN223368819U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of projectile mechanical processing, in particular to a fixture for projectile mechanical processing. Background Art
[0002] A fixture is a process device used to quickly secure a workpiece during machining, ensuring that the machine tool, tool, and workpiece maintain their correct relative positions. This means that fixtures are essential components in projectile machining, and they are often used to hold the workpiece during machining.
[0003] Currently, existing fixtures for machining projectiles have the following drawbacks: 1. While these fixtures can clamp workpieces of varying sizes, they are complex to operate and inefficient; 2. When clamping curved workpieces, these fixtures can easily loosen and fall off, hindering subsequent processing. To address these issues, a fixture for machining projectiles is provided. Utility Model Content
[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a clamp for machining a projectile.
[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:
[0006] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion. The swing arm ends up being rotated by the hook portion. The swing arm ends are rotated by the hook portion. The top surface of the movable plate is fixedly installed with a mounting box, and the opposite side surfaces of the two mounting boxes are both open in design, a connecting rod is fixedly installed inside the mounting box, and a mounting plate is rotatably installed on the outer surface of the connecting rod, a first clamping plate is fixedly installed on one end of the mounting plate, and a second clamping plate is fixedly installed on the end of the mounting plate away from the first clamping plate, the clamping part of the first clamping plate is arc-shaped, and the clamping part of the second clamping plate is flat, and a limiting component is provided on the top surface of the mounting plate, and the limiting component includes a snap-in groove, a fixed bayonet, a reset spring, and a connecting plate.
[0007] As an optimal technical solution of the present invention, a threaded rod is fixedly installed on the top surface of the moving block, the other end of the threaded rod passes through the limit slot and extends to the top of the support rod, the top surface of the threaded rod is fixedly installed with a limit plate, and the outer surface of the threaded rod is threadedly connected with a fixing nut.
[0008] As a preferred technical solution of the present invention, the size of the threaded rod is smaller than the limiting groove, the size of the fixing nut is larger than the limiting groove, and the size of the limiting plate is larger than the threaded rod.
[0009] As an optimal technical solution of the present invention, both sides of the top surface of the mounting plate are provided with snap-in grooves, the interior of the snap-in grooves is slidably connected to fixed bayonets, and the top surfaces of the fixed bayonets are fixedly mounted with connecting plates.
[0010] As a preferred technical solution of the present invention, the reset spring is fixedly mounted on the bottom surface of the connecting plate, and the reset spring covers the fixed pin, and the other end of the reset spring is fixedly connected to the installation box.
[0011] As a preferred technical solution of the present invention, the top end of the fixing pin passes through the installation box, and the fixing pin is slidably connected to the installation box.
[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0013] 1. The utility model is provided with a slide groove, a limit groove, a movable block and a fixed component. When it is necessary to clamp workpieces of different sizes, the fixing nut is turned clockwise or counterclockwise to separate the fixing nut from the support rod. Then, the movable plate can be moved by cooperating with the slide groove, the limit groove, the movable block and the threaded rod to change the distance between the first clamping plate or the second clamping plate. After the adjustment is completed, the fixing nut is turned counterclockwise to make the fixing nut contact with the support rod to fix the movable block, so that the device can clamp and fix workpieces of different sizes, and the operation is simple, thereby improving work efficiency.
[0014] 2. The utility model provides a limiting component, a clamping groove, a mounting plate, a first clamping plate, and a second clamping plate. When it is necessary to clamp and fix the arc-shaped workpiece, the connecting plate is pulled to disengage the fixing pin from the clamping groove, thereby losing the limitation on the mounting plate. Then the mounting plate is rotated to rotate the first clamping plate out of the interior of the mounting box. Then the connecting plate is released, and under the action of the reset spring, the fixing pin will move downward into the interior of the clamping groove to limit and fix the mounting plate. Because the clamping portion of the first clamping plate is an arc-shaped design, it is convenient to clamp and fix the arc-shaped workpiece, so that the device is convenient for clamping and fixing the arc-shaped workpiece, and prevents the arc-shaped workpiece from loosening and falling off, affecting subsequent processing. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a three-dimensional diagram of the fixing component of the utility model;
[0018] Figure 3 This is a three-dimensional diagram of the installation box of the utility model;
[0019] Figure 4 This utility model Figure 3 Front view;
[0020] Figure 5 This is a three-dimensional diagram of the mounting plate, the first clamping plate, and the second clamping plate of the present utility model;
[0021] In the figure: 1. Support rod; 2. Slide groove; 3. Limiting groove; 4. Moving plate; 5. Moving block; 6. Fixed component; 601. Threaded rod; 602. Fixing nut; 603. Limiting plate; 7. Mounting box; 8. Connecting rod; 9. Mounting plate; 10. First clamping plate; 11. Second clamping plate; 12. Limiting component; 1201. Snap-in groove; 1202. Fixing pin; 1203. Return spring; 1204. Connecting plate. DETAILED DESCRIPTION
[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.
[0023] In the drawings, the same reference numerals all refer to the same components.
[0024] like Figure 1-5As shown, the utility model provides a fixture for machining elastic bodies, including two support rods 1, the surfaces of the opposite sides of the two support rods 1 are provided with a slide groove 2, the top surfaces of the two support rods 1 are provided with a limit groove 3, the limit groove 3 is connected to the slide groove 2, two movable plates 4 are arranged between the two support rods 1, and the two side surfaces of the two movable plates 4 are fixedly installed with a movable block 5, the movable block 5 extends to the inside of the slide groove 2 and is slidably connected to the slide groove 2, and the top surface of the movable block 5 is fixedly installed with a fixing component 6, the fixing component 6 includes a threaded rod 601, a fixing nut 602, and a limit plate 603. The top surfaces of the two movable plates 4 are fixed with a movable block 5, and the movable block 5 extends to the inside of the slide groove 2 and is slidably connected to the slide groove 2. The end surfaces are fixedly installed with installation boxes 7, and the opposite side surfaces of the two installation boxes 7 are both open in design. A connecting rod 8 is fixedly installed inside the installation box 7, and a mounting plate 9 is rotatably installed on the outer surface of the connecting rod 8. A first clamping plate 10 is fixedly installed on one end of the installation plate 9, and a second clamping plate 11 is fixedly installed on the end of the installation plate 9 away from the first clamping plate 10. The clamping part of the first clamping plate 10 is an arc-shaped design, and the clamping part of the second clamping plate 11 is a flat design. A limiting component 12 is provided on the top surface of the installation plate 9, and the limiting component 12 includes a snap-in groove 1201, a fixed bayonet 1202, a reset spring 1203, and a connecting plate 1204.
[0025] Furthermore, a threaded rod 601 is fixedly installed on the top surface of the moving block 5, the other end of the threaded rod 601 passes through the limiting groove 3 and extends to the top of the support rod 1, and a limiting plate 603 is fixedly installed on the top surface of the threaded rod 601, and a fixing nut 602 is threadedly connected to the outer surface of the threaded rod 601.
[0026] The size of the threaded rod 601 is smaller than the limiting groove 3 , the size of the fixing nut 602 is larger than the limiting groove 3 , and the size of the limiting plate 603 is larger than the threaded rod 601 .
[0027] Both sides of the top surface of the mounting plate 9 are provided with engaging grooves 1201 , the interior of the engaging grooves 1201 is slidably connected to a fixed engaging pin 1202 , and a connecting plate 1204 is fixedly mounted on the top surface of the fixed engaging pin 1202 .
[0028] The return spring 1203 is fixedly mounted on the bottom surface of the connecting plate 1204 , and the return spring 1203 covers the fixed latch 1202 . The other end of the return spring 1203 is fixedly connected to the mounting box 7 .
[0029] The top end of the fixing pin 1202 passes through the installation box 7 , and the fixing pin 1202 is slidably connected to the installation box 7 .
[0030] Specifically, when in use, first adjust the first clamping plate 10 and the second clamping plate 11 according to the shape of the workpiece to be clamped. When it is necessary to clamp and fix the curved workpiece, pull the connecting plate 1204 to disengage the fixing pin 1202 from the clamping groove, losing the limitation on the mounting plate 9. Then rotate the mounting plate 9 to turn the first clamping plate 10 out of the interior of the mounting box 7. Then release the connecting plate 1204. Under the action of the reset spring 1203, the fixing pin 1202 will move downward into the interior of the clamping groove 1201 to limit and fix the mounting plate 9. Because the clamping portion of the first clamping plate 10 is an arc-shaped design, it is convenient to clamp and fix the curved workpiece, so that the device is convenient for clamping and fixing the curved workpiece, and prevents the curved workpiece from loosening and falling off. , affecting subsequent processing. Similarly, when clamping and fixing a flat workpiece, the second clamping plate 11 can be turned out, because the clamping portion of the second clamping plate 11 is a flat design. After the adjustment is completed, the workpiece is placed between the mounting boxes 7, and then the fixing nut 602 is turned clockwise to separate the fixing nut 602 from the support rod 1. Then, the movable plate 4 can be moved through the cooperation of the slide groove 2, the limit groove 3, the moving block 5, and the threaded rod 601 to change the distance between the first clamping plate 10 or the second clamping plate 11. After the adjustment is completed, the fixing nut 602 is turned counterclockwise to make the fixing nut 602 contact with the support rod 1 to fix the moving block 5, so that the device can clamp and fix workpieces of different sizes, and it is easy to operate and improves work efficiency.
[0031] In summary, the utility model is provided with a slide groove, a limit groove, a moving block, and a fixing component. When it is necessary to clamp workpieces of different sizes, the fixing nut is separated from the support rod by turning the fixing nut clockwise. Then, the moving plate can be moved by cooperating with the slide groove, the limit groove, the moving block, and the threaded rod to change the distance between the first clamping plate or the second clamping plate. After the adjustment is completed, the fixing nut is turned counterclockwise to make the fixing nut contact with the support rod to fix the moving block, so that the device can clamp and fix workpieces of different sizes, and the operation is simple, which improves work efficiency. By providing a limiting component , a clamping groove, a mounting plate, a first clamping plate, and a second clamping plate. When the arc-shaped workpiece needs to be clamped and fixed, the connecting plate is pulled to disengage the fixing pin from the clamping groove, thereby losing the limitation on the mounting plate. Then the mounting plate is rotated to turn the first clamping plate out of the interior of the mounting box. Then the connecting plate is released, and under the action of the reset spring, the fixing pin will move downward into the interior of the clamping groove to limit and fix the mounting plate. Because the clamping portion of the first clamping plate is an arc-shaped design, it is convenient to clamp and fix the arc-shaped workpiece, so that the device is convenient for clamping and fixing the arc-shaped workpiece, thereby preventing the arc-shaped workpiece from loosening and falling off, affecting subsequent processing.
[0032] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A fixture for machining a projectile, comprising two support rods (1), characterized in that: The surfaces of the two supporting rods (1) on one side opposite to each other are provided with a slide groove (2), the top surfaces of the two supporting rods (1) are provided with a limiting groove (3), the limiting groove (3) is communicated with the slide groove (2), two movable plates (4) are arranged between the two supporting rods (1), and movable blocks (5) are fixedly installed on both side surfaces of the two movable plates (4), the movable blocks (5) extend into the interior of the slide groove (2) and are slidably connected to the slide groove (2), the top surfaces of the movable blocks (5) are fixedly installed with a fixing component (6), the fixing component (6) includes a threaded rod (601), a fixing nut (602), and a limiting plate (603), and the top surfaces of the two movable plates (4) are fixedly installed with a mounting box (7), The surfaces of the two mounting boxes (7) on one side opposite to each other are both designed to be open, a connecting rod (8) is fixedly installed inside the mounting box (7), a mounting plate (9) is rotatably installed on the outer surface of the connecting rod (8), a first clamping plate (10) is fixedly installed on one end of the mounting plate (9), and a second clamping plate (11) is fixedly installed on the end of the mounting plate (9) away from the first clamping plate (10), the clamping portion of the first clamping plate (10) is designed to be arc-shaped, and the clamping portion of the second clamping plate (11) is designed to be flat, and a limiting component (12) is provided on the top surface of the mounting plate (9), and the limiting component (12) includes a clamping groove (1201), a fixing pin (1202), a reset spring (1203), and a connecting plate (1204).
2. A fixture for machining a projectile according to claim 1, characterized in that: A threaded rod (601) is fixedly mounted on the top surface of the moving block (5); the other end of the threaded rod (601) passes through the limiting slot (3) and extends to the top of the support rod (1); a limiting plate (603) is fixedly mounted on the top surface of the threaded rod (601); and a fixing nut (602) is threadedly connected to the outer surface of the threaded rod (601).
3. The fixture for machining a projectile according to claim 2, characterized in that: The size of the threaded rod (601) is smaller than the limiting groove (3), the size of the fixing nut (602) is larger than the limiting groove (3), and the size of the limiting plate (603) is larger than the threaded rod (601).
4. The fixture for machining a projectile according to claim 1, characterized in that: Both sides of the top surface of the mounting plate (9) are provided with a snap-fitting groove (1201), the interior of the snap-fitting groove (1201) is slidably connected to a fixed snap-fitting pin (1202), and a connecting plate (1204) is fixedly mounted on the top surface of the fixed snap-fitting pin (1202).
5. The fixture for machining a projectile according to claim 4, characterized in that: The return spring (1203) is fixedly mounted on the bottom surface of the connecting plate (1204), and the return spring (1203) covers the fixed latch (1202). The other end of the return spring (1203) is fixedly connected to the mounting box (7).
6. The fixture for machining a projectile according to claim 5, characterized in that: The top end of the fixing bayonet (1202) passes through the installation box (7), and the fixing bayonet (1202) is slidably connected to the installation box (7).