Anti-scratch clamp for precision mechanical parts
By designing the jig connection between the clamp and the movable shaft in precision mechanical parts fixtures and installing a clamping device with plastic pads, the problem of scratching parts by existing fixtures is solved, achieving more efficient parts protection and Processing quality assurance.
Patent Information
- Application Number
- CN202421215896.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-30
AI Technical Summary
Existing precision mechanical parts fixtures are prone to scratching parts during processing, transportation and use, resulting in a decline in product quality.
A precision mechanical parts anti-scratch fixture is designed, with a slot at the connection between the clamp plate and the movable shaft, and a plastic pad is added to the four claws of the clamping device to reduce scratches on the parts. In addition, a pad is installed above the bottom plate to reduce the contact area of the bottom of the parts and further reduce the probability of scratching.
It effectively reduces the scratches of parts by fixtures, improves the protection effect of parts, and ensures the processing quality and service life of precision mechanical parts.
Smart Images
Figure CN222449381U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of anti-scratch fixtures, in particular to an anti-scratch fixture for precision mechanical parts. Background Art
[0002] A precision mechanical parts fixture is a device used to process, position and fix precision mechanical parts. Its design and manufacturing precision requirements are very high. The main function of the fixture is to ensure the position accuracy of the parts relative to the tool and machine tool during the processing process. At the same time, it can also improve processing efficiency and ensure product quality.
[0003] Anti-scratch clamps are specially designed to prevent items from being scratched or damaged. Such clamps are usually made of high-strength, wear-resistant materials to ensure that they can stably fix items in various harsh working environments and prevent them from being scratched or damaged.
[0004] An anti-scratch fixture for precision mechanical parts is a fixture used to prevent precision mechanical parts from being scratched during processing, transportation and use. Due to the extremely high surface quality and precision requirements of precision mechanical parts, any scratches will cause the product to be scrapped or performance degradation. Therefore, anti-scratch fixtures are very important in the precision machinery manufacturing industry. However, many existing precision mechanical parts fixtures are not equipped with protective devices. When the parts are placed on the fixture table, the force of the fixture is large, which will cause the fixture or the table to scratch the parts, thereby affecting the quality of the entire part. For this reason, we proposed an anti-scratch fixture for precision mechanical parts. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides a scratch-proof fixture for precision mechanical parts, which solves the above-mentioned problems.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-scratch clamp for precision mechanical parts, a telescopic rod is arranged above the base plate, a connecting rod is installed on the upper end of the telescopic rod, a protective pad is arranged above the connecting rod, and a side plate is arranged at the side end of the base plate, and a cylinder is arranged inside the side plate, and a fixed block is arranged above the base plate corresponding to a side of the side plate close to the base plate, an air inlet pipe and an air outlet pipe are arranged above the outer end of the fixed block, and the fixed block is connected to one end of the movable shaft, and a clamping device is installed on the other end of the movable shaft.
[0007] Preferably, a circular hole is provided at the center of the bottom plate, and the telescopic rod is installed and fixed inside the circular hole.
[0008] Preferably, the two ends of the bottom plate are symmetrical to each other with the telescopic rod as the center.
[0009] Preferably, the clamping device includes a splint, a slide rail, a limit block, an extension block, a movable block, a limit block and a plastic pad, the bottom end of the splint is connected to one end of the movable shaft, the slide rail is installed on the upper surface of the splint, and one end of the slide rail is fixedly connected to the limit block, and the upper half of the slide rail is fixedly connected to the lower end of the movable block, and the upper surface of the movable block is fixedly connected to the extension block, and is movably connected directly in front of the extension block.
[0010] Preferably, a clamping groove is provided at the connection between the clamping plate and the movable shaft, and a clamping ring is installed inside the clamping groove for fixing.
[0011] Preferably, the number of the slide rails is four, and the four slide rails are evenly distributed around the center of the clamping plate.
[0012] Compared with the prior art, the utility model provides a scratch-proof fixture for precision mechanical parts, which has the following beneficial effects:
[0013] 1. The anti-scratch fixture for precision mechanical parts has a slot at the connection between the splint and the movable shaft, and a clamping ring is installed inside the slot. A clamping ring is added between the fixed clamping device and the telescopic rod to further deepen the connection. A movable connection is made just in front of the extension block. Plastic pads are added to the four claws of the clamping device that clamp the parts to reduce the scratches on the parts by the clamp. A protective pad is installed above the bottom plate to reduce the contact area with the bottom of the parts to further reduce the probability of scratches. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 It is a cross-sectional schematic diagram of the utility model;
[0016] Figure 3 It is a schematic diagram of the clamping device of the utility model.
[0017] In the figure, 1, bottom plate; 2, side plate; 3, fixed block; 4, air inlet pipe; 5, air outlet pipe; 6, cylinder; 7, movable shaft; 8, telescopic rod; 9, connecting rod; 10, pad; 11, limit block; 12, clamping ring; 13, splint; 14, slide rail; 15, movable block; 16, extension block; 17, plastic cushion. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0019] See also Figure 1-3 A scratch-proof fixture for precision mechanical parts includes a telescopic rod 8 arranged above a base plate 1, a connecting rod 9 is installed on the upper end of the telescopic rod 8, a protective pad 10 is arranged above the connecting rod 9, and a side plate 2 is arranged at the side end of the base plate 1, and a cylinder 6 is arranged inside the side plate 2, and a fixed block 3 is arranged above the base plate 1 corresponding to a side of the side plate 2 close to the base plate 1, an air inlet pipe 4 and an air outlet pipe 5 are arranged above the outer end of the fixed block 3, and one end of the fixed block 3 is connected to a movable shaft 7, and a clamping device is installed on the other end of the movable shaft 7, and the protective pad 10 supports the lower end of the part, and the height can be adjusted by adjusting the telescopic rod 8, the cylinder 6 is connected to the movable shaft, and the air inlet pipe and the air outlet pipe are connected to the clamping device.
[0020] Furthermore, a circular hole is provided at the center of the bottom plate 1, and the telescopic rod 8 is installed and fixed inside the circular hole to determine the position of the protective pad 10, so that the protective pad 10 is determined at the lower end of the component.
[0021] Furthermore, the two ends of the base plate 1 are symmetrical with each other with the telescopic rod 8 as the center, the components on both sides are symmetrical with the position of the telescopic rod 8 as the center, and the clamping devices and cylinders on both sides are also the same.
[0022] Furthermore, the clamping device includes a splint 13, a slide rail 14, a limit block 11, an extension block 16, a movable block 15, a limit block 11 and a plastic pad 17. The bottom end of the splint 13 is connected to one end of the movable shaft 7, the slide rail 14 is installed on the upper surface of the splint 13, and one end of the slide rail 14 is fixedly connected to the limit block 11, and the upper half of the slide rail 14 is fixedly connected to the lower end of the movable block 15, and the upper surface of the movable block 15 is fixedly connected to the extension block 16, and the movable connection 17 is directly in front of the extension block 16. The composition of the clamping device is that the limit block 11 limits the movable range of the movable block 15 to above the slide rail 14, and a layer of plastic pad 17 is added to the surface of the extension block 16 at the position where the clamping device clamps the parts to reduce scratches on the parts.
[0023] Furthermore, a clamping groove is provided at the connection between the clamping plate 13 and the movable shaft 7, and a clamping ring 12 is installed inside the clamping groove for fixing. The clamping ring 12 makes the connection between the movable shaft 7 and the clamping plate 13 smoother.
[0024] Furthermore, the slide rails 14 are arranged in four numbers, and the four slide rails 14 are evenly distributed around the center of the clamping plate 13. The clamping device is based on the slide rail 14 and is arranged in four directions on the surface of the clamping plate 13, corresponding to clamps in four directions to clamp the parts.
[0025] Working principle: When the parts are put into the fixture, turn on the cylinder 6 to make the movable shaft 7 go deeper inward until the parts reach the clamp 13, and the air inlet 4 takes in air. The four movable blocks 15 above the bottom plate 13 go deeper inward along the track 14, driving the extension block 16 above the movable block to go deeper until the plastic cushions 17 on the surface of the four extension blocks 16 clamp all the parts. After the plastic cushions 17 on both sides clamp the two sides of the parts, adjust the protective pad below, and adjust the telescopic rod 8 to make the protective pad 10 support the lower end of the part, fix the part, and then exhaust the gas.
[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A precision mechanical parts anti-scratch fixture, comprising a base plate (1), characterized in that: A telescopic rod (8) is arranged above the base plate (1), a connecting rod (9) is installed at the upper end of the telescopic rod (8), a protective pad (10) is arranged above the connecting rod (9), a side plate (2) is arranged at the side end of the base plate (1), a cylinder (6) is arranged inside the side plate (2), a fixed block (3) is arranged above the base plate (1) on a side of the side plate (2) close to the base plate (1), an air inlet pipe (4) and an air outlet pipe (5) are arranged above the outer end of the fixed block (3), the fixed block (3) is connected to one end of the movable shaft (7), and a clamping device is installed at the other end of the movable shaft (7).
2. The anti-scratch fixture for precision mechanical parts according to claim 1, characterized in that: A circular hole is provided at the center of the bottom plate (1), and the telescopic rod (8) is installed and fixed inside the circular hole.
3. The anti-scratch fixture for precision mechanical parts according to claim 1, characterized in that: The two ends of the bottom plate (1) are symmetrical with each other with the telescopic rod (8) as the center.
4. The anti-scratch fixture for precision mechanical parts according to claim 1, characterized in that: The clamping device comprises a clamping plate (13), a slide rail (14), a limit block (11), an extension block (16), a movable block (15), a limit block (11) and a plastic protective pad (17), wherein the bottom end of the clamping plate (13) is connected to one end of the movable shaft (7), the slide rail (14) is installed on the upper surface of the clamping plate (13), one end of the slide rail (14) is fixedly connected to the limit block (11), the upper half of the slide rail (14) is fixedly connected to the lower end of the movable block (15), the upper surface of the movable block (15) is fixedly connected to the extension block (16), and the plastic protective pad (17) is movably connected just in front of the extension block (16).
5. The anti-scratch fixture for precision mechanical parts according to claim 4, characterized in that: A clamping groove is provided at the connection between the clamping plate (13) and the movable shaft (7), and a clamping ring (12) is installed inside the clamping groove for fixation.
6. The anti-scratch fixture for precision mechanical parts according to claim 4, characterized in that: The number of the slide rails (14) is four, and the four slide rails (14) are evenly distributed around the center of the clamping plate (13).