Vacuum coating jig convenient to fix

Abstract

The vacuum coating jig convenient to fix comprises a positioning supporting hemisphere and a supporting base arranged at the bottom of the positioning supporting hemisphere, a spraying cavity is formed in the positioning supporting hemisphere, three sets of guide grooves are evenly formed in the surface of the positioning supporting hemisphere, clamping devices are arranged in the guide grooves in a sliding mode, and the outer ends of the clamping devices are connected with traction ropes. The lower ends of the three sets of traction ropes penetrate through a winder, the winder is installed on the top of a supporting base, two sets of stand columns are symmetrically arranged on the edge of the supporting base, the upper ends of the stand columns are connected with the bottom of the positioning and supporting hemisphere, an electric push rod is arranged above the winder, and a supporting column is arranged on the top of the electric push rod. The positioning and fixing jig is designed to be of a hemispherical structure, disc-shaped workpieces with different diameters can be quickly positioned and supported in the positioning and fixing jig, and compared with an operation mode that an existing supporting and clamping jig needs to be adjusted for clamping different workpieces, the positioning and supporting of the positioning and fixing jig on the workpieces are more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vacuum coating jig convenient to fix. BACKGROUND

[0002] Coating jig is a device for supporting, protecting and positioning workpiece or substrate in the coating process, which plays a key role in surface treatment and coating process, ensures the correct positioning and stability of the workpiece, and prevents the damage or pollution of the coating or film, and in the process of coating the workpiece, the workpiece needs to be positioned and supported in advance and the surface of the workpiece is coated by spraying equipment.

[0003] However, the existing jig for positioning and supporting the workpiece has the following problems in the process of use: because the shape of the workpiece is various, the positioning and supporting of the workpiece need to be supported and treated by different kinds of supporting jigs, when spraying some disc-shaped workpieces, clamping type fixing method is often used for operation, in order to ensure the stability of clamping fixation, it is necessary to clamp a larger area of the workpiece, which is easy to cause the problem of spraying dead angle, and when spraying disc-shaped workpieces with different diameters, the supporting jig also needs to be adjusted by the staff, which is more cumbersome to operate. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a vacuum coating jig convenient to fix, solve the problem that because the shape of the workpiece is various, the positioning and supporting of the workpiece need to be supported and treated by different kinds of supporting jigs, when spraying some disc-shaped workpieces, clamping type fixing method is often used for operation, in order to ensure the stability of clamping fixation, it is necessary to clamp a larger area of the workpiece, which is easy to cause the problem of spraying dead angle, and when spraying disc-shaped workpieces with different diameters, the supporting jig also needs to be adjusted by the staff, which is more cumbersome to operate.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A kind of vacuum coating fixture of being convenient for fixed, including positioning support hemispheres and the support seat being set to the bottom of positioning support hemispheres, the inside of positioning support hemispheres is formed with sputtering cavity and surface is evenly provided with three groups of guide grooves, clamping device is slidably arranged in the guide groove, the outer end of clamping device is connected with traction rope, the lower end of three groups of traction rope is inserted with winding device, the winding device is installed on the top of support seat, the edge of support seat is symmetrically provided with two groups of stand columns, the upper end of stand column is connected with the bottom of positioning support hemisphere, the upper portion of winding device is provided with electric push rod, the top of electric push rod is provided with support column, the support column is located in sputtering cavity and top is embedded with pressure sensor, the top of positioning support hemisphere is also provided with annular suction pipe, the annular suction pipe is embedded in sputtering cavity and surface is provided with several groups of suction holes, the outer end of annular suction pipe is connected with pump body by pipeline, the air outlet end of pump body is connected with gas storage container by pipeline.

[0006] As a preferred mode of the utility model, the clamping device includes a sliding block, a connecting rod, and a clamping piece. The sliding block is slidably arranged in the guide groove and connected to the connecting rod at the outer end. The connecting rod is connected to the traction rope at the outer end. The clamping piece is installed at the inner end of the sliding block and located in the sputtering cavity.

[0007] As a preferred mode of the utility model, the clamping piece includes a blade and several groups of rubber bumps fixed below the blade. The adjacent two groups of rubber bumps are distributed equidistantly.

[0008] As a preferred mode of the utility model, a guide wheel is installed on the stand column, and the traction rope passes through the guide wheel.

[0009] As a preferred mode of the utility model, the winding device includes a housing, a motor, a drive gear, a driven gear, and a winding rod. The motor is installed at the middle of the housing and connected to the drive gear at the power output end. The driven gear is divided into three groups and evenly distributed outside the drive gear. The drive gear is engaged with the driven gear. The winding rod is fixed longitudinally at the middle of the driven gear and connected to the traction rope.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] 1. The present scheme designs a jig for quickly positioning and fixing disc-shaped workpieces. The positioning and fixing jig is in a hemispherical structure, which can be placed in and out according to the diameter of the workpiece, and cooperates with the three groups of traction type clamping assemblies and support columns to support the workpiece horizontally. This support method can quickly position and support disc-shaped workpieces of different diameters, facilitating sputtering operation.

[0012] 2. The positioning fixture designed in the scheme is designed as a semispherical structure, and can quickly position and support disc-shaped workpieces with different diameters, and compared with the existing supporting and clamping fixture, the device is more convenient for positioning and supporting workpieces. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure diagram of the utility model;

[0014] Figure 2 It is a structure diagram of the clamp of the utility model;

[0015] Figure 3 It is a structure diagram of the winding device of the utility model.

[0016] In the figure: 1, positioning and supporting semisphere; 2, supporting seat; 3, spraying cavity; 4, guide groove; 5, clamp; 6, traction rope; 7, winding device; 8, stand column; 9, electric push rod; 10, supporting column; 11, pressure sensor; 12, annular suction pipe; 13, suction hole; 14, pump body; 15, gas storage container; 16, sliding block; 17, connecting rod; 18, clamping piece; 19, blade; 20, rubber bump; 21, guide wheel; 22, shell; 23, motor; 24, driving gear; 25, driven gear; 26, winding rod. DETAILED DESCRIPTION

[0017] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Please refer to Figures 1-3The utility model provides a kind of technical scheme: a vacuum coating jig convenient to fix, including positioning support hemisphere 1 and the support seat 2 being set to the bottom of positioning support hemisphere 1, the inside of positioning support hemisphere 1 is formed with spray chamber 3 and surface is evenly provided with three groups of guide grooves 4, clamping device 5 is slidably arranged in guide groove 4, the outer end of clamping device 5 is connected with traction rope 6, the lower end of three groups of traction rope 6 is inserted with winding device 7, winding device 7 is installed on the top of support seat 2, the edge of support seat 2 is symmetrically provided with two groups of stand column 8, the upper end of stand column 8 is connected with the bottom of positioning support hemisphere 1, the above of winding device 7 is provided with electric push rod 9, the top of electric push rod 9 is provided with support column 10, support column 10 is located in spray chamber 3 and top is embedded with pressure sensor 11, the top of positioning support hemisphere 1 is also provided with annular suction pipe 12, annular suction pipe 12 is embedded in spray chamber 3 and surface is provided with several groups of suction hole 13, the outer end of annular suction pipe 12 is connected with pump body 14 by pipeline, the air outlet end of pump body 14 is connected with gas storage container 15 by pipeline.

[0019] Further improved, as shown in Figure 1 : clamping device 5 includes sliding block 16, connecting rod 17 and clamping piece 18, sliding block 16 is slidably arranged in guide groove 4 and outer end is connected with connecting rod 17, the outer end of connecting rod 17 is connected with traction rope 6, clamping piece 18 is installed on the inner end of sliding block 16 and is located in sliding block 16 in guide groove 4 moves and is fixed by clamping piece 18 to the edge of disc workpiece is pressed down.

[0020] Further improved, as shown in Figure 1 : clamping piece 18 includes blade 19 and several groups of rubber bumps 20 fixed below blade 19, adjacent two groups of rubber bumps 20 are equidistantly distributed, and the edge of disc workpiece is pressed down through blade 19 to achieve the purpose of fixing disc workpiece.

[0021] Further improved, as shown in Figure 1 : guide wheel 21 is installed on stand column 8, and traction rope 6 passes through guide wheel 21, which can achieve the purpose of guiding traction rope 6.

[0022] Specifically, winding device 7 includes shell 22, motor 23, drive gear 24, driven gear 25 and winding rod 26, motor 23 is installed in the middle of shell 22 and the power output end is connected with drive gear 24, driven gear 25 is divided into three groups and evenly distributed on the outside of drive gear 24, drive gear 24 is engaged with driven gear 25, winding rod 26 is fixed longitudinally in the middle of driven gear 25, winding rod 26 is connected with traction rope 6, drive gear 24 is driven to rotate by motor 23, drive gear 24 drives driven gear 25 to rotate synchronously in the process of rotating, and driven gear 25 drives winding rod 26 to rotate, which can achieve the purpose of winding traction rope 6.

[0023] In use: the utility model discloses when needing to be fixed and be plated to discoid work piece, staff can place discoid work piece horizontally in the plating cavity 3, discoid work piece follows and plating cavity 3 moves down and makes the edge of discoid work piece and plating cavity 3 inner wall contact, then through motor 23 drive driving gear 24 rotation, driving gear 24 in the process of rotation drive driven gear 25 synchronous rotation, driven gear 25 rotation drive winding rod 26 rotation, can reach the purpose of traction rope 6 winding, traction rope 6 traction holder 5 moves down and makes the clamping piece 18 and the edge of disc work piece contact, reach the purpose of pressing and fixing to disc work piece edge, simultaneously through electric push rod 9 push support column 10 moves up and makes the upper end of support column 10 reach the support purpose to the center of disc work piece, can through plating equipment to disc work piece at this time, through pump body 14 to the gas produced in the plating process in the plating process, can pump gas to gas storage container 15, reduce the air pollution of working environment.

[0024] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0025] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.

[0026] In the utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated, can be mechanically connected, or can be electrically connected, can be directly connected, or can be indirectly connected through an intermediate medium, can be the communication or interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning of the specific situation by the ordinary skill in the art.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A vacuum coating fixture that is easy to fix, characterized by: The utility model provides a kind of sputtering device, including positioning support hemisphere (1) and the support seat (2) being arranged in the bottom of positioning support hemisphere (1), the inside of the positioning support hemisphere (1) is formed with sputtering cavity (3) and surface is evenly provided with three groups of guide grooves (4), the guide groove (4) is slidably provided with holder (5), the outer end of the holder (5) is connected with traction rope (6), the lower end of three groups of the traction rope (6) is inserted with winding device (7), the winding device (7) is installed on the top of support seat (2), the edge of the support seat (2) is symmetrically provided with two groups of stand column (8), the upper end of the stand column (8) is connected with the bottom of positioning support hemisphere (1), the upper side of the winding device (7) is provided with electric push rod (9), the top of the electric push rod (9) is provided with support column (10), the support column (10) is located in sputtering cavity (3) and top is embedded with pressure sensor (11), the top of the positioning support hemisphere (1) is also provided with annular suction pipe (12), the annular suction pipe (12) is embedded in sputtering cavity (3) and surface is provided with several groups of suction hole (13), the outer end of the annular suction pipe (12) is connected with pump body (14) by pipeline, the air outlet end of the pump body (14) is connected with gas storage container (15) by pipeline.

2. The vacuum coating jig of claim 1, wherein: The holder (5) includes a sliding block (16), a connecting rod (17) and a clamping piece (18), the sliding block (16) is slidably arranged in the guide groove (4) and connected with the connecting rod (17) at the outer end, the connecting rod (17) is connected with the traction rope (6) at the outer end, and the clamping piece (18) is installed at the inner end of the sliding block (16) and located in the sputtering cavity (3).

3. The vacuum coating jig of claim 2, wherein: The clamping piece (18) includes a blade (19) and a plurality of rubber bumps (20) fixed below the blade (19), and the adjacent two groups of rubber bumps (20) are equidistantly distributed.

4. The vacuum coating jig of claim 2, wherein: The stand column (8) is installed with a guide wheel (21), and the traction rope (6) passes through the guide wheel (21).

5. The vacuum coating fixture of claim 4, wherein: The winding device (7) includes a housing (22), a motor (23), a drive gear (24), a driven gear (25) and a winding rod (26), the motor (23) is installed in the middle of the housing (22) and connected with the drive gear (24) at the power output end, the driven gear (25) is divided into three groups and evenly distributed on the outer side of the drive gear (24), the drive gear (24) is engaged with the driven gear (25), and the winding rod (26) is fixed longitudinally in the middle of the driven gear (25), and the winding rod (26) is connected with the traction rope (6).

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