Vacuum coating clamp

Abstract

The utility model discloses a vacuum coating clamp, which belongs to the field of vacuum coating and comprises a mounting plate, a plurality of mounting mechanisms are detachably mounted on the mounting plate, a vertical groove is formed in the front end of the mounting plate, a plurality of limiting grooves are formed in the front end of the mounting plate, the limiting grooves are perpendicular to the vertical groove, and each mounting mechanism comprises a clamping shell. A mounting shell is fixedly connected to the side face of the clamping shell. The device has the beneficial effects that the clamping mechanism and the driving mechanism are arranged, a mounting shell is conveniently positioned and mounted by forming a vertical groove and a plurality of limiting grooves in a mounting plate, and when the mounting shell is inserted into the limiting grooves, a plurality of clamping edges are driven by the driving mechanism to get close to the center position, so that a to-be-coated part is automatically clamped and fixed; and after film coating is completed, clamping is automatically loosened when the clamping shell is taken down, and the situation that a worker touches the surface of a workpiece when the workpiece is moved out of the vacuum film coating machine, and the film coating effect is affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum coating field especially relates to a vacuum coating fixture. BACKGROUND

[0002] Vacuum coating machine mainly refers to the coating equipment that needs to carry out under higher vacuum degree, including vacuum resistance heating evaporation, electron gun heating evaporation and magnetron sputtering and many kinds, mainly divided into evaporation and sputtering two, the use of vacuum coating is very extensive, so the optimization of vacuum coating machine assembly is also necessary.

[0003] Through the retrieval China patent announcement No. CN222160343U discloses a kind of clamp for vacuum coating machine, the patent includes main shell, the side of main shell is equipped with auxiliary shell, the inside of main shell is equipped with multiple rotation components that workpiece is allowed to carry out autorotation when being carried out vacuum coating plus revolution, the side of each rotation component is equipped with multiple clamp components for fixing workpiece and carrying out coating;The device is through setting rotation component, clamp component and support component, when being carried out vacuum coating, start servo motor to let rotation disc carry out rotation, the rotation of rotation disc cooperates rotation component, just can let the clamp component on rotation component with workpiece autorotation plus revolution, let workpiece move in coating process, avoid workpiece one face long time contact the spray position of coating material and lead to coating uneven, and support component can give certain support effect when workpiece shape is irregular and needs additional support point, but existing clamp for vacuum coating machine, need to manually clamp the workpiece to be coated, affect the efficiency of coating work, and after coating is completed, need to dry before unloading, affect coating progress. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of vacuum coating fixtures to solve the above problems.

[0005] The utility model realizes the above-mentioned purposes by the following technical solutions:

[0006] A kind of vacuum coating fixture, including mounting plate, the mounting plate is detachably installed with several installation mechanisms, the vertical slot is opened in the front end of mounting plate, the front end of mounting plate is opened with several limit slots, several limit slots are vertically arranged with vertical slot, installation mechanism includes clamping shell, clamping shell side is fixedly connected with installation shell, clamping shell is provided with clamping mechanism, clamping mechanism includes rotary table, rotary table is rotatably connected in clamping shell, several clamping assemblies are provided on rotary table, drive mechanism is provided on installation shell, drive mechanism is used to when installation shell is inserted into limit slot, drives clamping assembly and clamps workpiece.

[0007] Preferably, the clamping assembly comprises a clamping jaw movably connected to the rotary disc, a plurality of clamping assemblies are arranged in a central symmetry, the clamping jaw is fixedly connected with a sliding shaft at the bottom, and a clamping edge is arranged on the opposite side of the clamping jaw.

[0008] Preferably, a straight groove is formed at the top of the clamping shell, an arc-shaped groove is formed at the top of the rotary disc, the sliding shaft is slidably arranged in the arc-shaped groove, and the clamping jaw is slidably connected in the straight groove.

[0009] Preferably, the driving mechanism comprises a rotating shaft rotatably connected to the mounting shell, a belt pulley fixedly connected to one end of the rotating shaft, a synchronous belt sleeved on the belt pulley, and a transmission wheel sleeved on the other end of the synchronous belt, and a transmission assembly is arranged between the transmission wheel and the rotary disc.

[0010] Preferably, the transmission assembly comprises a worm gear fixedly connected to the bottom of the rotary disc, a worm rotatably connected in the rotary disc and meshing with one side of the worm gear, and the worm is fixedly connected with the transmission wheel at one end.

[0011] Preferably, a toothed plate is fixedly connected in the mounting plate, the toothed plate is arranged in the vertical groove, and a gear is fixedly connected to the end of the rotating shaft away from the belt pulley and matched with the toothed plate.

[0012] Preferably, a chamfer is arranged at the inner side of the limiting groove of the mounting plate.

[0013] The beneficial effects are that the clamping mechanism and the driving mechanism are arranged, the vertical groove and the plurality of limiting grooves are formed in the mounting plate, the mounting shell is conveniently positioned and mounted, when the mounting shell is inserted into the limiting groove, the driving mechanism drives the plurality of clamping edges to move close to the central position, the workpiece to be plated is automatically clamped and fixed, the clamping is automatically released when the clamping shell is removed after plating, the workpiece surface is avoided from being touched by the worker when the workpiece is removed from the vacuum plating machine, and the plating effect is affected.

[0014] The additional technical features and advantages of the utility model will be more obvious in the following description, or can be understood through the specific practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide a further understanding of the utility model and constitute a part of the specification, and are used together with the following specific embodiments to explain the utility model, but do not constitute a limitation on the utility model. In the drawings:

[0016] Figure 1 It is a schematic view of the vacuum plating fixture of the utility model;

[0017] Figure 2 It is a schematic view of the mounting plate of the vacuum plating fixture of the utility model;

[0018] Figure 3 is a schematic view of the vacuum coating fixture without the mounting plate of the utility model;

[0019] Figure 4 is a side view of the clamping shell of the vacuum coating fixture of the utility model;

[0020] Figure 5 is a schematic view of the connection between the clamping mechanism and the driving mechanism of the vacuum coating fixture of the utility model;

[0021] Figure 6 is a schematic view of the clamping jaw structure of the vacuum coating fixture of the utility model.

[0022] The reference signs are explained as follows: 101, mounting plate; 102, vertical groove; 103, limiting groove; 104, chamfer; 105, toothed plate; 201, clamping shell; 202, mounting shell; 203, holding handle; 204, straight groove; 205, tapered rod; 301, rotating disc; 302, arc-shaped groove; 303, sliding shaft; 304, clamping jaw; 305, clamping edge; 306, worm wheel; 307, worm; 401, rotating shaft; 402, gear; 403, pulley; 404, synchronous belt; 405, transmission wheel. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] The utility model will be further described below with reference to the drawings:

[0026] As Figure 1 — Figure 6As shown, a vacuum coating fixture includes a mounting plate 101, which is arranged in a vacuum coating machine during vacuum coating, and the specific embodiments and related connection relationships are consistent with the mounting plate 101 in the scheme, which is a conventional technical means in the art, and thus will not be described in detail. A plurality of mounting mechanisms are detachably mounted on the mounting plate 101. A vertical groove 102 is formed at the front end of the mounting plate 101. A plurality of limiting grooves 103 are formed at the front end of the mounting plate 101, and the plurality of limiting grooves 103 are arranged perpendicularly to the vertical groove 102. The mounting mechanism includes a clamping shell 201, and a holding handle 203 is connected to the side of the clamping shell 201 by bolts. An installation shell 202 is connected to the side of the clamping shell 201 by bolts. A clamping mechanism is arranged on the clamping shell 201. The clamping mechanism includes a turntable 301, which is rotatably connected in the clamping shell 201. A plurality of clamping assemblies are arranged on the turntable 301. A driving mechanism is arranged on the installation shell 202. The driving mechanism is used to drive the clamping assemblies to clamp the workpiece when the installation shell 202 is inserted into the limiting groove 103. During the process of inserting the clamping shell 201 into the mounting plate 101, the device can automatically clamp the coating part, which is convenient for installation and use.

[0027] In this embodiment, the clamping assembly includes a clamping jaw 304, which is movably connected to the turntable 301. The plurality of clamping assemblies are arranged in a central symmetry. A sliding shaft 303 is connected to the bottom of the clamping jaw 304 by bolts. A clamping edge 305 is arranged on the opposite side of the clamping jaw 304. The arrangement of the clamping edge 305 forms a line contact when the clamping jaw 304 clamps the coating part, which can minimize the influence of the clamping area on the coating effect. A conical rod 205 is connected to the top center of the clamping shell 201 by bolts. Before installing the coating part on the clamping shell 201, the cup-shaped coating part is inverted and placed on the conical rod 205. The clamping jaw 304 is located on the outside of the coating part. When the clamping shell 201 and the installation shell 202 are installed on the mounting plate 101, the three clamping jaws 304 move inward, and the clamping edge 305 abuts against the outside of the coating part, thereby stably clamping the coating part.

[0028] In the embodiment, the top of the clamping shell 201 is provided with a straight groove 204, the top of the rotating disc 301 is provided with an arc-shaped groove 302, the arc-shaped groove 302 is centrally symmetrically arranged, the center of symmetry coincides with the center of the rotating disc 301, and the arc-shaped groove 302 is arranged at a certain angle with the straight groove 204, the sliding shaft 303 is slidingly arranged in the arc-shaped groove 302, and the clamping claw 304 is slidingly connected in the straight groove 204. When the rotating disc 301 rotates, the arc-shaped groove 302 arranged on the rotating disc 301 pushes the sliding shaft 303 to move, the sliding shaft 303 drives the clamping claw 304 to move, and due to the limitation of the straight groove 204 on the clamping claw 304, the clamping claw 304 can only move in a straight line in a direction diverging outward from the center of the rotating disc 301. In this way, the clamping edges 305 on the plurality of clamping claws 304 abut against the outer side positions of the pieces to be plated.

[0029] In the embodiment, the driving mechanism comprises a rotating shaft 401, the rotating shaft 401 is rotationally connected to the mounting shell 202, one end of the rotating shaft 401 is connected with a belt pulley 403 through a bolt, a synchronous belt 404 is sleeved on the belt pulley 403, the other end of the synchronous belt 404 is sleeved with a transmission wheel 405, and a transmission assembly is arranged between the transmission wheel 405 and the rotating disc 301. The transmission assembly comprises a worm wheel 306, the worm wheel 306 is connected to the bottom of the rotating disc 301 through a bolt, one side of the worm wheel 306 is engaged with a worm 307, the self-locking property of the worm wheel 306 and the worm 307 ensures the stable clamping of the workpiece, prevents the workpiece from falling off during plating, improves the plating effect, the worm 307 is rotationally connected in the rotating disc 301, and one end of the worm 307 is connected with the transmission wheel 405 through a bolt.

[0030] In the embodiment, the mounting plate 101 is connected with a toothed plate 105 through a bolt, the toothed plate 105 is arranged in the vertical groove 102, one end of the rotating shaft 401 away from the belt pulley 403 is connected with a gear 402 through a bolt, the gear 402 cooperates with the toothed plate 105, when the mounting shell 202 enters the limiting groove 103, it needs to move downward along the direction of the vertical groove 102, during the downward movement of the mounting shell 202, the gear 402 will engage with the toothed plate 105, the toothed plate 105 drives the gear 402 to rotate, the gear 402 drives the rotating shaft 401 to rotate, the rotating shaft 401 drives the belt pulley 403 to rotate, the belt pulley 403 drives the transmission wheel 405 to rotate through the synchronous belt 404, the transmission wheel 405 drives the rotating disc 301 to rotate through the cooperation of the worm wheel 306 and the worm 307, and when the rotating disc 301 rotates, the clamping claw 304 is driven to move towards the workpiece to be plated until the clamping is firm, and the mounting action is completed.

[0031] In the embodiment, the inside of the limiting groove 103 of the mounting plate 101 is provided with a chamfer 104, the chamfer 104 is beneficial to the entry of the mounting shell 202 into the limiting groove 103, avoids being stuck, and facilitates the mounting action.

[0032] Working principle: when using the device, the cup-shaped workpiece to be plated is inverted on the conical rod 205, then the holding handle 203 is held, the clamping shell 201 and the mounting shell 202 are moved to a limiting groove 103 position, the mounting shell 202 is inserted into the limiting groove 103, then the mounting shell 202 is moved downward along the vertical slot 102, during the downward movement of the mounting shell 202, the gear 402 is engaged with the toothed plate 105, the toothed plate 105 drives the gear 402 to rotate, the gear 402 drives the rotating shaft 401 to rotate, the rotating shaft 401 drives the belt pulley 403 to rotate, the belt pulley 403 drives the transmission wheel 405 to rotate through the synchronous belt 404, the transmission wheel 405 drives the rotating disc 301 to rotate through the cooperation of the worm wheel 306 and the worm 307, when the rotating disc 301 rotates, the clamping claws 304 are driven to move towards the workpiece to be plated, until clamping is firm, such arrangement can adapt to workpieces of different diameters, the mounting action is completed, then the next workpiece to be plated is placed on another clamping shell 201, the mounting action is repeated, until the number of the clamping shells 201 mounted is the same as the number of the limiting grooves 103, or according to the height of the workpiece, the mounting shell 202 is selectively mounted into the limiting groove 103, after mounting is completed, the vacuum plating machine is closed, plating operation is started, after plating is completed, the vacuum plating machine is opened, the holding handle 203 is held, the clamping shell 201 is lifted upward, during the upward movement of the clamping shell 201, the toothed plate 105 drives the gear 402 to rotate reversely, through the rotating shaft 401, the belt pulley 403, the synchronous belt 404, the transmission wheel 405 and the transmission assembly, the rotating disc 301 is reversely rotated, the rotating disc 301 drives the clamping claws 304 to move away from each other, releasing the clamping of the workpiece just completed plating.

[0033] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A vacuum coating fixture comprising a mounting plate (101) on which a plurality of mounting mechanisms are detachably mounted, characterized in that: The vertical slot (102) is arranged at the front end of the mounting plate (101), and a plurality of limiting grooves (103) are arranged at the front end of the mounting plate (101), wherein the plurality of limiting grooves (103) are arranged perpendicularly to the vertical slot (102), the mounting mechanism comprises a clamping shell (201), the clamping shell (201) is fixedly connected with a mounting shell (202) on the side surface, a clamping mechanism is arranged on the clamping shell (201), the clamping mechanism comprises a rotating disc (301), the rotating disc (301) is rotatably connected in the clamping shell (201), a plurality of clamping assemblies are arranged on the rotating disc (301), and a driving mechanism is arranged on the mounting shell (202), wherein the driving mechanism is used to drive the clamping assemblies to clamp the workpiece to be machined when the mounting shell (202) is inserted into the limiting groove (103).

2. The vacuum coating fixture according to claim 1, wherein: The clamping assembly comprises a clamping claw (304), the clamping claw (304) is movably connected on the rotating disc (301), the plurality of clamping assemblies are arranged in a central symmetry, the clamping claw (304) is fixedly connected with a sliding shaft (303) at the bottom, a clamping edge (305) is arranged on the opposite side of the clamping claw (304), and a conical rod (205) is fixedly connected at the center position of the top of the clamping shell (201).

3. The vacuum coating fixture of claim 2, wherein: The clamping shell (201) is provided with a straight groove (204) at the top, the rotating disc (301) is provided with an arc-shaped groove (302) at the top, the sliding shaft (303) is slidably arranged in the arc-shaped groove (302), and the clamping claw (304) is slidably connected in the straight groove (204).

4. The vacuum coating fixture of claim 1, wherein: The driving mechanism comprises a rotating shaft (401), the rotating shaft (401) is rotatably connected on the mounting shell (202), one end of the rotating shaft (401) is fixedly connected with a belt pulley (403), a synchronous belt (404) is sleeved on the belt pulley (403), the other end of the synchronous belt (404) is sleeved with a transmission pulley (405), and a transmission assembly is arranged between the transmission pulley (405) and the rotating disc (301).

5. The vacuum coating fixture of claim 4, wherein: The transmission assembly comprises a worm gear (306), the worm gear (306) is fixedly connected at the bottom of the rotating disc (301), a worm shaft (307) is engaged on one side of the worm gear (306), the worm shaft (307) is rotatably connected in the rotating disc (301), and one end of the worm shaft (307) is fixedly connected with the transmission pulley (405).

6. The vacuum coating fixture of claim 4, wherein: The mounting plate (101) is fixedly connected with a toothed plate (105), the toothed plate (105) is arranged in the vertical slot (102), one end of the rotating shaft (401) away from the belt pulley (403) is fixedly connected with a gear (402), and the gear (402) is matched with the toothed plate (105).

7. The vacuum coating fixture of claim 1, wherein: The limiting groove (103) of the mounting plate (101) is provided with a chamfer (104) at the inner side position.

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