Clamp for vacuum coating
By designing a coating fixture including an operating box and a servo motor, the worm and worm gear system can be used to achieve stable positioning and compacting and fixing of the hollow tube body, the problems of poor clamping effect and large contact area in the prior art are solved, and the problems of better clamping effect and large contact area are improved The stability and applicability of vacuum coating are achieved.
Patent Information
- Application Number
- CN202323602000.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-28
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2033-12-28
AI Technical Summary
The existing coating fixtures have poor clamping effect when clamping hollow tube bodies or irregular products, and have a large contact area with the coating surface, which affects the coating effect.
A clamp structure including an operating box, metal plate, mounting rod, mounting plate, fixing block, crossbar, compression plate and servo motor is designed. The metal worm and worm gear system are driven through the knob, and the clamping plate and U-shaped extrusion are driven. The movement of the press rod achieves stable positioning and tightening and fixing of the hollow tube body.
It achieves good clamping of hollow tube bodies or irregular products, reduces the contact area with the coating surface, improves the stability and effect of the coating, and has strong applicability.
Smart Images
Figure CN222274669U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clamps, in particular to a clamp used for vacuum coating. Background Art
[0002] Vacuum coating refers to a method of heating metal or non-metal materials under high vacuum conditions to evaporate and condense on the surface of the plated object (metal, semiconductor or insulator) to form a thin film. For example, vacuum aluminum plating, vacuum chrome plating, etc. During the coating process, a fixture is usually required to fix the object to facilitate the coating process.
[0003] The existing coating fixtures still have the following shortcomings:
[0004] When using existing coating fixtures, the clamping effect is poor when clamping some hollow tubes or irregular products. At the same time, the contact area with the coating surface of the hollow tube and other products is large, which affects the coating effect and has certain limitations when used.
[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and this scheme proposes a fixture for vacuum coating. Utility Model Content
[0006] The purpose of the utility model is to provide a clamp for vacuum coating to solve the problems raised in the above background technology.
[0007] To achieve the above object, the utility model provides the following technical solution: a fixture for vacuum coating, comprising an operating box,
[0008] A metal plate is fixedly mounted on the top of the operation box, and a mounting rod is fixedly mounted on one side of the operation box, and a mounting plate is fixedly mounted on the mounting rod;
[0009] The four corners of the top of the metal plate are fixedly installed with fixed blocks, and a through hole is opened at the center of the top of the metal plate, a vertical rod is movably installed in the through hole, a movable plate is fixedly installed at the bottom end of the vertical rod, and a connecting plate is fixedly installed at the bottom end, any fixed block is opened with a strip hole, a cross bar is movably installed in any strip hole, a connecting rod is rotatably installed between one end of any cross bar and the movable plate, and a pressing plate is fixedly installed at the other end of any cross bar;
[0010] The four corners of the bottom of the connecting plate are fixedly installed with fixed rods, and a rotating shaft is rotatably installed on any of the fixed rods. Two rotating shafts are rotatably installed between the inner walls of both sides of the operating box, and a linked worm gear and two U-shaped extrusion rods are fixedly sleeved on the two rotating shafts. Any of the rotating shafts is movably installed on the corresponding U-shaped extrusion rods. A motor is fixedly installed in the operating box, and a linked worm gear that meshes with the two linked worm gears at the same time is fixedly sleeved on the output shaft of the motor;
[0011] A mounting groove is provided at the front end of the mounting plate, and screw rods are rotatably installed on the inner walls on both sides of the mounting groove. Clamping plates are threadedly sleeved on the two screw rods, and a same rotating worm gear is fixedly sleeved between the two screw rods. A metal worm gear meshing with the rotating worm gear is rotatably installed on the top of the mounting plate.
[0012] Preferably, a knob is fixedly sleeved on the top end of the metal worm.
[0013] By adopting the technical solution, the metal worm can be easily rotated by the knob.
[0014] Preferably, the thread directions of the two screw rods are arranged in opposite directions, a slide rail is fixedly installed in the mounting plate, two sliders are slidably installed on the slide rail, and any one of the sliders is fixedly connected to the corresponding clamping plate.
[0015] By adopting the above technical solution, the movement directions of the two clamping plates can be opposite by arranging the thread directions of the two screw rods in opposite directions.
[0016] Preferably, a first spring is sleeved on any cross bar, and one end of any first spring is fixed on the corresponding cross bar, and the other end is fixed on the inner wall of the corresponding strip hole.
[0017] By adopting the above technical solution, the first spring facilitates the resetting of the cross bar.
[0018] Preferably, a second spring is sleeved on the vertical rod, one end of the second spring is fixed on the vertical rod, and the other end is fixed on the inner wall of the through hole.
[0019] By adopting the above technical solution, the second spring facilitates the resetting of the vertical rod.
[0020] Preferably, the motor is a servo motor whose output shaft rotation angle can be adjusted at will.
[0021] Compared with the prior art, the beneficial effects of the utility model are:
[0022] First, by turning the knob, the metal worm is driven to rotate, and the metal worm drives the rotating worm wheel and the two worms to rotate, and the two worms drive the two clamping plates to move toward each other, that is, the two clamping plates can be used to clamp the outer side of the rod body of the coating frame in the coating machine, so that the entire device can be fixed inside the coating machine, and then the hollow tube body is clamped on the outer side of the four clamping plates, and then the linkage worm is driven to rotate by starting the motor, and the linkage worm drives the rotation of the two linkage worm wheels, which can drive the rotation of the two rotating shafts, and the rotating shaft drives the rotation of the two U-shaped extrusion rods. The U-shaped extrusion rods squeeze the corresponding rotating shafts upward respectively, which can drive the upward movement of the four fixed rods, which can drive the upward movement of the movable plate, and the movable plate drives the outward movement of the four cross bars through the four connecting rods, which can drive the outward movement of the four clamping plates, so that the four clamping plates can press, position and fix the hollow tube body from the inside of the hollow tube body, which is convenient for stable vacuum coating in the later stage. The utility model has a simple structure and is easy to use. The clamp used for vacuum coating has a good clamping effect when clamping some hollow tubes or irregular products. The contact area with the coating surface of products such as hollow tubes is small, which will not affect the coating effect and has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a top perspective view of the structure of the utility model;
[0024] Figure 2 It is a side perspective view of the utility model;
[0025] Figure 3 This is a schematic structural diagram of part A of the utility model;
[0026] Figure 4 It is a three-dimensional diagram of a linkage worm wheel and a linkage worm of the utility model;
[0027] Figure 5 This is a three-dimensional diagram of the internal structure of the mounting plate of the present invention.
[0028] In the figure: 1. operating box; 2. movable plate; 3. first spring; 4. cross bar; 5. fixed block; 6. connecting rod; 7. clamping plate; 8. metal plate; 9. knob; 10. clamping plate; 11. mounting plate; 12. second spring; 13. vertical rod; 14. connecting plate; 15. fixing rod; 16. linked worm; 17. linked worm wheel; 18. U-shaped extrusion rod; 19. rotating shaft; 20. rotating shaft; 21. mounting rod; 22. metal worm; 23. mounting groove; 24. rotating worm wheel; 25. lead screw; 26. motor. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] See also Figure 1-5 The utility model provides a technical solution: a fixture for vacuum coating, comprising an operating box 1, a metal plate 8 is fixedly installed on the top of the operating box 1, and a mounting rod 21 is fixedly installed on one side of the operating box 1, a mounting plate 11 is fixedly installed on the mounting rod 21, a fixing block 5 is fixedly installed on the four corners of the top of the metal plate 8, and a through hole is opened at the center of the top of the metal plate 8, a vertical rod 13 is movably installed in the through hole, a movable plate 2 is fixedly installed at the bottom end of the vertical rod 13, and a connecting plate 14 is fixedly installed at the bottom end, a second spring 12 is sleeved on the vertical rod 13, and one end of the second spring 12 is fixed on the vertical rod 13 , the other end is fixed on the inner wall of the through hole, any fixed block 5 is provided with a strip hole, a cross bar 4 is movably installed in any strip hole, one end of any cross bar 4 is rotatably installed with a connecting rod 6 between the movable plate 2 and the other end of any cross bar 4 is fixedly installed with a clamping plate 7, a first spring 3 is sleeved on any cross bar 4, one end of any first spring 3 is fixed on the corresponding cross bar 4, and the other end is fixed on the inner wall of the corresponding strip hole, a fixing rod 15 is fixedly installed at the four corners of the bottom of the connecting plate 14, and a rotating shaft 20 is rotatably installed on any fixing rod 15, operation Two rotating shafts 19 are rotatably installed between the inner walls of both sides of the box 1, and the two rotating shafts 19 are fixedly sleeved with a linkage worm gear 17 and two U-shaped extrusion rods 18, and any rotating shaft 20 is movably installed on the corresponding U-shaped extrusion rod 18. A motor 26 is fixedly installed in the operation box 1, and a linkage worm 16 that meshes with the two linkage worm gears 17 at the same time is fixedly sleeved on the output shaft of the motor 26. The motor 26 is a servo motor whose rotation angle of the output shaft can be adjusted at will. Through the above-mentioned structural setting, the hollow tube body is clamped on the outer side of the four clamping plates 7, and then the linkage worm 16 is driven by starting the motor 26. The rotation of the linkage worm 16 drives the rotation of the two linkage worm wheels 17, which can drive the rotation of the two rotating shafts 19. The rotating shafts 19 drive the rotation of the two U-shaped extrusion rods 18. The U-shaped extrusion rods 18 respectively squeeze the corresponding rotating shafts 20 upward, which can drive the upward movement of the four fixed rods 15, which can drive the upward movement of the movable plate 2. The movable plate 2 drives the outward movement of the four cross bars 4 through the four connecting rods 6, which can drive the outward movement of the four clamping plates 7, so that the four clamping plates 7 can clamp, position and fix the hollow tube body from the inside of the hollow tube body, which is convenient for stable vacuum coating in the later stage.
[0031] Combination Figure 1-5 As shown, a mounting groove 23 is provided at the front end of the mounting plate 11, and screw rods 25 are rotatably mounted on the inner walls of both sides of the mounting groove 23. The two screw rods 25 are threadedly sleeved with the clamping plate 10, and the same rotating worm gear 24 is fixedly sleeved between the two screw rods 25. A metal worm 22 meshing with the rotating worm gear 24 is rotatably mounted on the top of the mounting plate 11, and a knob 9 is fixedly sleeved on the top of the metal worm 22. The thread directions of the two screw rods 25 are oppositely arranged, and a sliding Rails, two sliders are slidably installed on the slide rails, any one of the sliders is fixedly connected to the corresponding clamping plate 10, through the above-mentioned structural arrangement, by turning the knob 9, the metal worm 22 is driven to rotate, the metal worm 22 drives the rotating worm wheel 24 and the two worms 25 to rotate, the two worms 25 drive the two clamping plates 10 to move towards each other, that is, the two clamping plates 10 can be used to clamp the outer side of the rod body of the coating frame in the coating machine, so as to fix the entire device inside the coating machine.
[0032] The working principle of the utility model is as follows: first, by rotating the knob 9, the metal worm 22 is driven to rotate, the metal worm 22 drives the rotating worm wheel 24 and the two screws 25 to rotate, and the two screws 25 drive the two clamping plates 10 to move toward each other, that is, the two clamping plates 10 can be used to clamp the outer side of the rod body of the coating frame in the coating machine, so as to fix the entire device inside the coating machine, and then the hollow tube body is clamped on the outer side of the four clamping plates 7, and then the linkage worm 16 is driven to rotate by starting the motor 26, and the linkage worm 16 drives the two linkage The rotation of the worm gear 17 can drive the rotation of the two rotating shafts 19, and the rotating shafts 19 drive the rotation of the two U-shaped extrusion rods 18. The U-shaped extrusion rods 18 respectively squeeze the corresponding rotating shafts 20 upwards, which can drive the upward movement of the four fixed rods 15, which can drive the upward movement of the movable plate 2. The movable plate 2 drives the outward movement of the four cross bars 4 through the four connecting rods 6, which can drive the outward movement of the four clamping plates 7, so that the four clamping plates 7 can all clamp and position the hollow tube body from the inside of the hollow tube body, which is convenient for the later stable vacuum coating. The utility model has a simple structure and is easy to use. The clamp for vacuum coating has a good clamping effect when clamping some hollow tube bodies or irregular products. The contact area with the coating surface of products such as hollow tube bodies is small, which will not affect the coating effect and has strong applicability.
[0033] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the embodiments of the utility model have been shown and described, it is understandable to those of ordinary skill in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.
Claims
1. A fixture for vacuum coating, comprising an operating box (1), characterized in that: A metal plate (8) is fixedly mounted on the top of the operation box (1), and a mounting rod (21) is fixedly mounted on one side of the operation box (1), and a mounting plate (11) is fixedly mounted on the mounting rod (21); The four corners of the top of the metal plate (8) are fixedly installed with fixed blocks (5), and a through hole is opened at the center of the top of the metal plate (8), a vertical rod (13) is movably installed in the through hole, a movable plate (2) is fixedly installed at the bottom end of the vertical rod (13), and a connecting plate (14) is fixedly installed at the bottom end, any fixed block (5) is opened with a strip hole, a cross bar (4) is movably installed in any strip hole, a connecting rod (6) is rotatably installed between one end of any cross bar (4) and the movable plate (2), and a pressing plate (7) is fixedly installed at the other end of any cross bar (4); The four corners of the bottom of the connecting plate (14) are fixedly mounted with fixed rods (15), and a rotating shaft (20) is rotatably mounted on any of the fixed rods (15). Two rotating shafts (19) are rotatably mounted between the inner walls of both sides of the operating box (1), and a linked worm gear (17) and two U-shaped extrusion rods (18) are fixedly sleeved on the two rotating shafts (19), and any of the rotating shafts (20) is movably mounted on the corresponding U-shaped extrusion rod (18). A motor (26) is fixedly mounted in the operating box (1), and a linked worm gear (16) that meshes with the two linked worm gears (17) is fixedly sleeved on the output shaft of the motor (26); The front end of the mounting plate (11) is provided with a mounting groove (23), and screw rods (25) are rotatably mounted on the inner walls of both sides of the mounting groove (23), the two screw rods (25) are threadedly sleeved with a clamping plate (10), and a rotating worm wheel (24) is fixedly sleeved between the two screw rods (25), and a metal worm (22) meshing with the rotating worm wheel (24) is rotatably mounted on the top of the mounting plate (11).
2. The fixture for vacuum coating according to claim 1, characterized in that: The top end of the metal worm (22) is fixedly sleeved with a knob (9).
3. The fixture for vacuum coating according to claim 1, characterized in that: The thread directions of the two screw rods (25) are opposite to each other. A slide rail is fixedly installed in the mounting plate (11). Two sliders are slidably installed on the slide rail. Any one of the sliders is fixedly connected to the corresponding clamping plate (10).
4. The fixture for vacuum coating according to claim 1, characterized in that: A first spring (3) is sleeved on any cross bar (4), one end of any first spring (3) is fixed on the corresponding cross bar (4), and the other end is fixed on the inner wall of the corresponding strip hole.
5. The fixture for vacuum coating according to claim 1, characterized in that: A second spring (12) is sleeved on the vertical rod (13), one end of the second spring (12) is fixed on the vertical rod (13), and the other end is fixed on the inner wall of the through hole.
6. The fixture for vacuum coating according to claim 1, characterized in that: The motor (26) is a servo motor whose output shaft rotation angle can be adjusted at will.