Scratch-proof vacuum coating jig

By combining four clamping arms and L-shaped clamping blocks with motor control, the problems of unstable clamping and scratches in vacuum coating fixtures are solved, achieving stable clamping and automated adjustment of workpieces, and improving coating quality and adaptability.

CN223633449UActive Publication Date: 2025-12-05JIANGXI MINGTAI PRECISION TECH CO LTD
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Patent Information

Application Number
CN202520231078.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2025-12-05
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

Existing vacuum coating fixtures suffer from slippage that can cause scratches when clamping workpieces, unstable clamping that affects coating quality and workpiece surface integrity, and lack fine adjustment and automated control.

Method used

It employs four clamping arms arranged in a circular array and L-shaped clamping blocks for all-around clamping. The clamping force is precisely adjusted by combining the first and second adjusting nuts. The clamping arms are automatically controlled and the height of the lifting platform is adjusted by a rotary motor.

Benefits of technology

It effectively prevents workpieces from sliding or rotating during the coating process, avoids scratches, ensures appropriate clamping force, adapts to different workpiece shapes and sizes, and improves operational convenience and coating quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a scratch-proof vacuum coating jig which comprises a shell, a lifting platform is arranged in the shell, a sliding groove is formed in the top of the lifting platform, four sliding blocks are connected in the sliding groove in a sliding mode, and the four sliding blocks are distributed in a circumferential array mode. The scratch-proof vacuum coating jig comprises a shell, a lifting table and an L-shaped clamping block are arranged on the lifting table, a sliding block is arranged on the lifting table, clamping arms are fixedly connected to the top of the sliding block, a limiting groove is formed in the top of the shell, a turbine is rotationally connected to the lifting table, and an arc-shaped groove is formed in the turbine. The workpiece is effectively prevented from sliding or rotating in the coating process, the surface of the workpiece is prevented from being scratched, the clamping force and the auxiliary clamping force can be accurately adjusted through the first adjusting nut and the second adjusting nut, and it is ensured that the workpiece cannot slide due to insufficient clamping force in the clamping process and cannot deform due to too large clamping force.
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Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum plating technology field, concretely is a kind of scratchproof vacuum plating jig. BACKGROUND

[0002] Vacuum plating is an important aspect of vacuum application field, it is based on vacuum technology, utilizes physical or chemical method, and absorbs electron beam, molecular beam, ion beam, plasma beam, radio frequency and magnetic control etc. A series of new technologies, for scientific research and actual production provide a kind of new technology of thin film preparation. Simply speaking, evaporate or sputter metal, alloy or compound in vacuum, make it solidify and deposit on the object (called substrate, wafer or matrix) to be coated and be coated, it is called vacuum plating.

[0003] The existing patent with the publication number discloses a kind of scratchproof vacuum plating jig, including shell, the top of shell is symmetrically slidably equipped with two connecting rods, the lower end of two connecting rods is extended to the inside of shell, the inside of shell is horizontally equipped with moving plate, the lower end of two connecting rods is fixedly arranged on the upper surface of moving plate, the inside of shell is vertically rotatably equipped with first screw rod, and first screw rod is threadedly arranged with the middle part of moving plate, the side wall of shell is rotatably equipped with pivot, pivot extends to the inside of shell and is fixedly equipped with first bevel gear on one end, the other end of pivot extends to the outside of shell and is fixedly equipped with handle, the rod wall upper side of first screw rod is fixedly equipped with second bevel gear, first bevel gear and second bevel gear are meshingly arranged, the upper end of two connecting rods is adjustably equipped with L type clamping block. It has the function of preventing scratching.

[0004] However, the above-mentioned patent still has some deficiencies, only through the clamping force of left and right two directions, the workpiece is clamped, so that the workpiece still has the possibility of sliding forward and backward, once sliding, it will cause the surface of workpiece to scratch, and the workpiece is clamped by artificial, the clamping force is different each time, it is difficult to guarantee the stability of clamping, if in order to guarantee the clamping stability, a larger pressure is applied to clamp, the workpiece may be deformed, the jig in the prior art often has deficiencies in fine adjustment and automatic control, so that the workpiece is easy to scratch due to inaccurate positioning or improper manual operation, which affects the plating quality and the integrity of the surface of workpiece. UTILITY MODEL CONTENTS

[0005] To solve the deficiencies mentioned in the above background art, the purpose of the utility model is to provide a kind of scratchproof vacuum plating jig, through four clamping arms and L type clamping block distributed in circumferential array, the workpiece is clamped in all directions, effectively prevent the workpiece from sliding or rotating during plating, avoid the scratch on the surface of workpiece, through first adjusting nut and second adjusting nut, the size of clamping force and auxiliary clamping force can be accurately adjusted, ensure that the workpiece neither slides due to insufficient clamping force nor deforms due to excessive clamping force during clamping.

[0006] The purpose of the utility model can be realized through the following technical schemes:

[0007] A scratch-proof vacuum coating jig, comprising a shell, a lifting platform is arranged in the shell, a sliding groove is formed in the top of the lifting platform, a sliding block is slidably connected in the sliding groove, four sliding blocks are arranged, the four sliding blocks are arranged in a circumferential array, a clamping arm is fixedly connected to the top of the sliding block, a limiting groove is formed in the top of the shell, a turbine is rotatably connected to the lifting platform, an arc-shaped groove is formed in the turbine, the top end of the clamping arm passes through the arc-shaped groove and the limiting groove in sequence and extends above the shell, a clamping assembly is arranged on the clamping arm, and a height adjusting assembly is arranged in the shell.

[0008] Further preferably, the clamping assembly comprises clamping rods, a through hole is formed through the top of the clamping arm, the clamping rods pass through the through hole, one end of each of the clamping rods is detachably provided with an L-shaped clamping block, a first spring is sleeved on the clamping rod, the first spring is located between the L-shaped clamping block and the clamping arm, a first adjusting nut is threadedly connected to the clamping rod, and the clamping arm is located between the first spring and the first adjusting nut.

[0009] Further preferably, an installation plate is fixedly installed on the lifting platform, a worm is rotatably connected to the installation plate, the worm is engaged with the turbine, one end of the worm passes through the shell and extends to the outside of the shell, a first rotary motor is installed on the lifting platform, and the one end of the worm is connected with the output end of the first rotary motor.

[0010] Further preferably, the height adjusting assembly comprises a screw rod, the screw rod is threadedly connected between the lifting platform, a first bevel gear is fixedly sleeved on the screw rod, a second rotary motor is fixedly connected to the top of the inner wall of the shell, a second bevel gear is fixedly connected to the output end of the second rotary motor, and the first bevel gear is engaged with the second bevel gear.

[0011] Further preferably, a plurality of vertical rods pass through the top of the shell, a clamping seat is fixedly connected to the vertical rod, a rubber pad is fixedly connected to the top of the clamping seat, a second spring is sleeved on the vertical rod, the second spring is located between the clamping seat and the shell, a second adjusting nut is threadedly connected to the vertical rod, and the second adjusting nut is located in the interior of the shell.

[0012] Further preferably, a guide rod is fixedly connected in the interior of the shell, and the guide rod passes through the lifting platform.

[0013] The utility model discloses the beneficial effect:

[0014] 1. The utility model discloses a four circumferential array distribution's clamping arm and L type clamping block to the workpiece is carried out all -round clamping, effectively prevent the workpiece from sliding or rotating in the process of coating, avoid the scratch of workpiece surface, through the first adjusting nut and second adjusting nut, can accurate adjustment clamping force and the size of auxiliary clamping force, ensure that the workpiece is in the clamping process neither because of the clamping force is insufficient and slides, also can not because of the clamping force is too big and deforms.

[0015] 2. The utility model discloses a first rotary motor and second rotary motor, realize the automation control of the circumferential motion of clamping arm and the height adjustment of lifting platform, improve work efficiency and the convenience of operation, the jig of the application is applicable to different shape and size's workpiece, through the position and angle of clamping arm and L type clamping block are adjusted, can adapt to the clamping demand of different workpieces. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described below in combination with the drawings.

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the shell structure schematic diagram in the utility model;

[0019] Figure 3 It is the turbine structure schematic diagram in the utility model;

[0020] Figure 4 It is the lifting platform structure schematic diagram in the utility model.

[0021] In the drawing:

[0022] 1, shell;2, lifting platform;3, sliding slot;4, sliding block;5, clamping arm;6, limit slot;7, turbine;8, arc slot;9, clamping rod;10, L type clamping block;11, first spring;12, first adjusting nut;13, screw;14, first bevel gear;15, second rotary motor;16, second bevel gear;17, worm;18, mounting plate;19, first rotary motor;20, vertical rod;21, clamping seat;22, rubber pad;23, second spring;24, second adjusting nut;25, guide rod. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] In the description of the utility model, it is understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] As shown in Figures 1-4 The utility model provides a vacuum coating jig of scratch prevention, including the shell 1, the inside of shell 1 is provided with lifting platform 2, the top of lifting platform 2 is equipped with the sliding slot 3, the inside of sliding slot 3 is connected with the sliding block 4, the sliding block 4 is provided with four, four sliding block 4 is in circumferential array distribution, the top of sliding block 4 is fixedly connected with clamping arm 5, the top of shell 1 is equipped with the limiting groove 6, lifting platform 2 is rotatably connected with the turbine 7, the arc slot 8 is equipped on the turbine 7, the top end of clamping arm 5 passes through arc slot 8 and limiting groove 6 in proper order and extends to the top of shell 1, be provided with clamping assembly on clamping arm 5, the inside of shell 1 is provided with height adjusting assembly.

[0026] The inside of the shell 1 is fixedly connected with a guide rod 25, the guide rod 25 passes through the lifting platform 2, for limiting the moving direction of the lifting platform 2, ensure that the lifting platform 2 moves stably in the vertical direction.

[0027] The clamping assembly includes a clamping rod 9, a through hole is formed through the top of the clamping arm 5, the clamping rod 9 passes through the through hole, a plurality of clamping rods 9 are detachably provided with L-shaped clamping blocks 10 at one end close to each other, a first spring 11 is sleeved on the clamping rod 9, the first spring 11 is located between the L-shaped clamping block 10 and the clamping arm 5, a first adjusting nut 12 is threadedly connected to the clamping rod 9, and the clamping arm 5 is located between the first spring 11 and the first adjusting nut 12. The first adjusting nut 12 is threadedly connected to the clamping rod 9 and located between the clamping arm 5 and the first spring 11 for adjusting the size of the clamping force.

[0028] The mounting plate 18 is fixedly installed on the lifting platform 2, the worm 17 is rotatably connected to the mounting plate 18, the worm 17 is engaged with the turbine 7, one end of the worm 17 passes through the shell 1 and extends to the outside of the shell 1, the first rotary motor 19 is installed on the lifting platform 2, and one end of the worm 17 is connected with the output end of the first rotary motor 19. By starting the first rotary motor 19, the worm 17 can be driven to rotate, thereby driving the turbine 7 to rotate, realizing the horizontal movement of the clamping arm 5.

[0029] The height adjusting assembly comprises a screw rod 13 which is threadedly connected between the lifting platform 2, a first bevel gear 14 is fixedly sleeved on the screw rod 13, a second rotary motor 15 is fixedly connected to the top of the inner wall of the shell 1, a second bevel gear is fixedly connected to the output end of the second rotary motor 15, and the first bevel gear and the second bevel gear are engaged. By starting the second rotary motor 15, the second bevel gear 16 can be driven to rotate, thereby driving the first bevel gear 14 and the screw rod 13 to rotate, so as to realize the height adjustment of the lifting platform 2.

[0030] A plurality of vertical rods 20 are penetrated through the top of the shell 1, a clamping seat 21 is fixedly connected to the vertical rod 20, a rubber pad 22 is fixedly connected to the top of the clamping seat 21, a second spring 23 is sleeved on the vertical rod 20, the second spring 23 is located between the clamping seat 21 and the shell 1, and a second adjusting nut 24 is threadedly connected to the vertical rod 20 and located in the interior of the shell 1, so as to adjust the compression degree of the second spring 23 and the size of the clamping force.

[0031] Working principle:

[0032] The device is used for surface cleaning of workpieces, dust and oil are ensured to be free, the positions of the vertical rods 20 at the top of the shell 1 are adjusted according to the sizes of the workpieces, the rubber pads 22 are ensured to be adapted to the contact surfaces of the workpieces, the first rotary motor 19 is started, the worm 17 is driven to rotate, the turbine 7 is driven to rotate, the clamping arms 5 are relatively close to each other under the limitation of the arc-shaped grooves 8, the L-shaped clamping blocks 10 are in contact with the workpieces, and the workpieces are stably clamped, the first adjusting nut 12 is adjusted, the clamping force of the L-shaped clamping blocks 10 on the clamping rods 9 is adjusted, the second rotary motor 15 is started, the second bevel gear 16 is driven to rotate, the first bevel gear 14 and the screw rod 13 are driven to rotate, the height of the lifting platform 2 is adjusted, the clamping arms 5 and the L-shaped clamping blocks 10 are tightly clamped to the workpieces, the second adjusting nut 24 is adjusted as required, the auxiliary clamping force of the rubber pads 22 on the clamping seats 21 on the workpieces is adjusted, and the jig is placed into the vacuum coating machine for coating treatment.

[0033] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles 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 claimed present application.

Claims

1. A scratch-resistant vacuum plating jig, characterized by comprising: The utility model provides a kind of height-adjustable multifunctional lifting platform, including shell (1), the inside of shell (1) is provided with lifting platform (2), the top of lifting platform (2) is equipped with slide groove (3), the inside sliding connection of slide groove (3) has sliding block (4), sliding block (4) is provided with four, four sliding block (4) is circumferentially arrayed, the top of sliding block (4) is fixedly connected with clamping arm (5), the top of shell (1) is equipped with limiting groove (6), lifting platform (2) is rotatably connected with turbine (7), arc slot (8) is equipped on turbine (7), the top of clamping arm (5) sequentially passes through arc slot (8) and limiting groove (6) and extends to the above of shell (1), clamping arm (5) is provided with clamping assembly, the inside of shell (1) is provided with height adjusting assembly.

2. The scratch-resistant vacuum coating jig according to claim 1, wherein, The clamping assembly includes a clamping rod (9), a through hole is formed through the top of the clamping arm (5), the clamping rod (9) passes through the through hole, and a plurality of clamping rods (9) are detachably provided with L-shaped clamping blocks (10) at one end close to each other. A first spring (11) is sleeved on the clamping rod (9), and the first spring (11) is located between the L-shaped clamping block (10) and the clamping arm (5). A first adjusting nut (12) is threadedly connected to the clamping rod (9), and the clamping arm (5) is located between the first spring (11) and the first adjusting nut (12).

3. The scratch-resistant vacuum coating jig according to claim 2, wherein, The mounting plate (18) is fixedly installed on the lifting platform (2), the worm (17) is rotatably connected to the mounting plate (18), the worm (17) is engaged with the turbine (7), one end of the worm (17) passes through the shell (1) and extends to the outside of the shell (1), and the first rotary motor (19) is installed on the lifting platform (2). One end of the worm (17) is connected to the output end of the first rotary motor (19).

4. The scratch-resistant vacuum coating jig according to claim 3, wherein, The height adjusting assembly includes a screw rod (13), the screw rod (13) is threadedly connected between the lifting platform (2), the first bevel gear (14) is fixedly sleeved on the screw rod (13), the top of the inner wall of the shell (1) is fixedly connected with the second rotary motor (15), the output end of the second rotary motor (15) is fixedly connected with the second bevel gear (16), and the first bevel gear (14) and the second bevel gear (16) are engaged.

5. The scratch-resistant vacuum coating jig according to claim 4, wherein, The top of the shell (1) penetrates a plurality of vertical rods (20), the clamping seat (21) is fixedly connected to the vertical rod (20), the rubber pad (22) is fixedly connected to the top of the clamping seat (21), the second spring (23) is sleeved on the vertical rod (20), the second spring (23) is located between the clamping seat (21) and the shell (1), and the second adjusting nut (24) is threadedly connected to the vertical rod (20). The second adjusting nut (24) is located in the inside of the shell (1).

6. The scratch-resistant vacuum coating jig according to claim 5, wherein, The guide rod (25) is fixedly connected in the inside of the shell (1), and the guide rod (25) penetrates the lifting platform (2).