Workpiece clamping device for metal electroplating machining

Abstract

The utility model discloses a workpiece clamping device for metal electroplating processing, which comprises a mounting cross beam, an electric push rod arranged on the mounting cross beam, a mounting frame arranged at the bottom end of the electric push rod, a plurality of groups of two-way screws rotationally mounted on the mounting frame through bearings, and a first driving component matched with the two-way screws, clamping frames are symmetrically arranged on each set of two-way screw rods in a threaded mode, a mounting base is rotationally mounted on each clamping frame through a bearing, an elastic clamping piece is arranged on the inner side of each mounting base, a second driving assembly is arranged on the clamping frame on one side and matched with the corresponding mounting base, and a plurality of air spraying pipes are evenly arranged at the bottom end of the interior of each mounting frame; according to the metal workpiece clamping device, the clamping efficiency of a metal workpiece in the electroplating machining process can be improved, meanwhile, flexible overturning of the workpiece can be achieved, and in-time drying after electroplating can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal electroplating processing, and more specifically, to a workpiece clamping device for metal electroplating processing. Background Art

[0002] Metal electroplating is a surface treatment technology that deposits a uniform, highly adhesive layer of metal or alloy on a metal or non-metal substrate through the principle of electrolysis to improve the appearance, performance or add specific functions to the substrate.

[0003] After the metal workpiece is electroplated and taken out from the electroplating tank, the surface will carry a lot of moisture. The existing clamping device for metal electroplating workpieces is not convenient for timely drying the surface of the metal workpiece after taking it out.

[0004] In addition, the existing workpiece clamping device for metal electroplating processing is inconvenient to flip the clamped workpiece when clamping and fixing the workpiece, which affects the flexibility of the metal workpiece electroplating process;

[0005] Moreover, when the existing workpiece clamping devices for metal electroplating are clamped and fixed, most of them are in rigid contact with the workpiece, which can easily cause rigid extrusion of the metal workpiece, causing deformation of the workpiece and affecting the electroplating stability of the metal workpiece. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] In view of the problems existing in the prior art, the utility model provides a clamping device for metal electroplating workpieces to solve the technical problems mentioned in the background technology that the clamping device for metal electroplating workpieces in the prior art is not convenient for timely drying the electroplated workpieces, is not convenient for flipping the workpieces and is prone to rigid extrusion.

[0008] (II) Technical solution

[0009] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0010] A clamping device for workpieces used for metal electroplating processing comprises a mounting crossbeam, an electric push rod is arranged on the mounting crossbeam, a mounting frame is arranged at the bottom end of the electric push rod, a plurality of groups of bidirectional screws are rotatably mounted on the mounting frame through bearings, and a first drive assembly is arranged in cooperation with the bidirectional screws, a clamping frame is symmetrically threadedly arranged on each group of the bidirectional screws, a mounting seat is rotatably mounted on each of the clamping frames through bearings, an elastic clamping piece is arranged on the inner side of the mounting seat, a second drive assembly is arranged in cooperation with the mounting seat on one side of the clamping frame, a plurality of air injection pipes are evenly arranged on the inner bottom end of the mounting frame, an air supply pipe is arranged on the outer side of the air injection pipe extending to the mounting frame, and the air supply pipe is connected to an external drying air source.

[0011] The utility model is further configured such that the first drive component includes a first motor, the first motor is transmission-connected to one of the bidirectional screws, a first synchronous belt structure is provided between two adjacent groups of the bidirectional screws, and the rotational drive of the bidirectional screw can be achieved through the cooperation of the first motor and the first synchronous belt structure.

[0012] The utility model is further configured as follows: the second drive assembly includes a second motor, each mounting seat is provided with a mounting shaft, the mounting shaft is rotatably mounted on the corresponding clamping frame through a bearing and extends outward, the second motor is transmission-connected to one of the mounting shafts, and a second synchronous belt structure is provided between two adjacent groups of the mounting shafts, the mounting seat can be rotationally driven by the cooperation of the second motor, the mounting shaft and the second synchronous belt structure, thereby realizing the rotation adjustment of the metal workpiece, wherein the second motor adopts a waterproof motor, which is a prior art and will not be elaborated in the utility model.

[0013] The utility model is further configured such that the elastic clamping member includes an elastic connecting member arranged on the surface of the mounting seat, and a clamping plate is arranged on the inner side of the elastic connecting member. The elastic and stable clamping of the metal workpiece is achieved through the cooperation of the elastic connecting member and the clamping plate, thereby avoiding rigid extrusion of the metal workpiece.

[0014] The utility model is further configured such that the elastic connecting member includes a spring arranged between the mounting seat and the clamping plate, and a first limiting telescopic rod is arranged in conjunction with the spring. The elastic installation of the clamping plate on the mounting seat can be achieved through the arrangement of the spring and the first limiting telescopic rod.

[0015] The utility model is further configured such that the surface of the clamping plate is provided with an anti-skid pad, and the anti-skid ridges are provided on the anti-skid pad. The anti-skid property of the surface of the clamping plate can be improved by providing the anti-skid pad and the anti-skid ridges.

[0016] The utility model is further configured that a limit rod is arranged on the mounting frame to cooperate with each bidirectional screw rod, and the clamping frame is slidably sleeved on the limit rod. The setting of the limit rod can improve the movement stability of the clamping frame.

[0017] The utility model is further configured such that a second position-limiting telescopic rod is provided between the installation crossbeam and the installation frame, and the lifting stability of the installation frame can be improved by providing the second position-limiting telescopic rod.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the utility model provides a clamping device for a workpiece used for metal electroplating processing, which has the following beneficial effects:

[0020] 1. The utility model provides an electric push rod on the mounting crossbeam, and a mounting frame is provided at the bottom end of the electric push rod, and multiple sets of bidirectional screws are rotatably installed on the mounting frame through bearings, and a first driving assembly is provided in conjunction with the bidirectional screws, and each set of bidirectional screws is symmetrically threaded with a clamping frame. At the same time, limit rods are provided in conjunction with the clamping frame on both sides of the bidirectional screws, and the clamping frame and the limit rods are slidably matched. The first driving assembly includes a first motor, and the first motor is transmission-connected to one of the bidirectional screws. A first synchronous belt structure is provided between two adjacent sets of bidirectional screws. The first motor is started, and the synchronous rotation of the bidirectional screws can be controlled by the cooperation of the first motor and the first synchronous belt structure. The threaded matching relationship between the bidirectional screw and the clamping frame can control the two clamping frames in the same group to approach or move away from each other, thereby realizing the clamping and fixing of the workpiece to be electroplated. The utility model can clamp multiple sets of workpieces at the same time, thereby improving the efficiency of workpiece electroplating processing.

[0021] 2. The utility model provides a mounting seat rotatably mounted on each clamping frame via a bearing, an elastic clamping piece is arranged on the inner side of the mounting seat, and a second driving assembly is arranged on one side of the clamping frame to cooperate with the mounting seat, wherein the second driving assembly includes a second motor, and a mounting shaft is arranged on each mounting seat, the mounting shaft is rotatably mounted on the corresponding clamping frame via a bearing and extends outward, the second motor is transmission-connected to one of the mounting shafts, and a second synchronous belt structure is arranged between two adjacent groups of mounting shafts, so that the second motor is started, and the synchronous rotation of the mounting shaft can be controlled by the cooperation of the second motor and the second synchronous belt structure, the rotation of the mounting seat can be controlled by the rotation of the mounting shaft, and the rotation of the elastic clamping piece can be controlled by the rotation of the mounting seat, so that the rotation of the workpiece can be controlled while the workpiece is clamped and fixed by the elastic clamping piece.

[0022] 3. The elastic clamping member in the utility model includes an elastic connecting member arranged on the surface of the mounting seat, and a clamping plate is arranged on the inner side of the elastic connecting member, wherein the elastic connecting member includes a spring arranged between the mounting seat and the clamping plate, and a first limiting telescopic rod is arranged in conjunction with the spring, so that when the workpiece is clamped and fixed, the mounting seat can be driven to move relative to each other through the clamping frame, and the movement of the mounting seat can control the movement of the first limiting telescopic rod and the spring, so that the clamping plates are moved closer to or farther from each other to achieve clamping and fixation of the workpiece. At the same time, the setting of the spring can achieve elastic contraction when the clamping plate clamps and fixes the workpiece, thereby keeping the clamping plate clamped and fixed on the workpiece while avoiding rigid compression of the clamping plate on the workpiece.

[0023] 4. The utility model has a plurality of air jets evenly arranged at the inner bottom end of the mounting frame, and the air jets extend to the outer side of the mounting frame and are provided with an air supply pipe, which is connected to an external drying air source. In this way, after the electroplating process is completed, the mounting frame can be controlled to rise, thereby controlling the rise of the electroplated metal workpiece. Afterwards, the external drying air source is transported to the position of the air jets through the air supply pipe, and the drying air source is evenly sprayed from the air jets toward the metal workpiece, thereby achieving timely drying of the metal workpiece after the electroplating is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The overall structure of a clamping device for a workpiece used for metal electroplating processing in the utility model is shown in FIG. Figure 1 ;

[0025] Figure 2 The overall structure of a clamping device for a workpiece used for metal electroplating processing in the utility model is shown in FIG. Figure 2 ;

[0026] Figure 3 It is a schematic diagram of the connection structure between the mounting frame, the clamping frame and the clamping plate in the utility model;

[0027] Figure 4 It is a schematic diagram of the connection structure between the bidirectional screw, the clamping frame and the clamping plate in the utility model;

[0028] Figure 5 It is a schematic diagram of the connection structure between the mounting seat and the clamping plate in the utility model.

[0029] In the figure: 1. mounting crossbeam; 2. electric push rod; 3. mounting frame; 4. bidirectional screw; 5. clamping frame; 6. mounting seat; 7. elastic clamping member; 8. jet pipe; 9. air supply pipe; 10. first motor; 11. first synchronous belt structure; 12. second motor; 13. mounting shaft; 14. second synchronous belt structure; 15. elastic connecting member; 16. clamping plate; 17. spring; 18. first limit telescopic rod; 19. anti-skid pad; 20. anti-skid ridge; 21. limit rod; 22. second limit telescopic rod. DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0031] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0032] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0033] See also Figure 1-5 , a clamping device for a workpiece used for metal electroplating processing, comprising a mounting beam 1, wherein the mounting beam 1 can be mounted on an external horizontal moving structure, wherein the external horizontal moving structure can be a ball screw structure or an electric slide rail structure, which is a prior art and will not be described in detail in the utility model;

[0034] An electric push rod 2 is arranged on the mounting crossbeam 1, and a mounting frame 3 is arranged at the bottom end of the electric push rod 2. Multiple groups of bidirectional screws 4 are rotatably installed on the mounting frame 3 through bearings, and a first driving assembly is arranged in conjunction with the bidirectional screws 4. A clamping frame 5 is symmetrically threaded on each group of bidirectional screws 4. At the same time, limit rods 21 are arranged in conjunction with the clamping frame 5 on both sides of the bidirectional screws 4, and the clamping frame 5 and the limit rods 21 are slidably matched. Among them, the first driving assembly includes a first motor 10, and the first motor 10 is transmission-connected to one of the bidirectional screws 4. A first synchronous belt structure 11 is arranged between two adjacent groups of bidirectional screws 4. The first motor 10 is started, and the synchronous rotation of the bidirectional screws 4 can be controlled by the cooperation of the first motor 10 and the first synchronous belt structure 11. The threaded matching relationship between the bidirectional screws 4 and the clamping frame 5 can control the two clamping frames 5 in the same group to approach or move away from each other, thereby realizing the clamping and fixing of the workpiece to be electroplated. The utility model can clamp multiple groups of workpieces at the same time, thereby improving the efficiency of workpiece electroplating processing.

[0035] The utility model has a mounting seat 6 rotatably mounted on each clamping frame 5 through a bearing, an elastic clamping piece 7 is arranged on the inner side of the mounting seat 6, and a second driving assembly is arranged on one side of the clamping frame 5 to cooperate with the mounting seat 6, wherein the second driving assembly includes a second motor 12, and a mounting shaft 13 is arranged on each mounting seat 6, the mounting shaft 13 is rotatably mounted on the corresponding clamping frame 5 through a bearing and extends outward, the second motor 12 is transmission-connected with one of the mounting shafts 13, and a second synchronous belt structure 14 is arranged between two adjacent groups of mounting shafts 13, so that the second motor 12 is started, and the synchronous rotation of the mounting shaft 13 can be controlled by the cooperation of the second motor 12 and the second synchronous belt structure 14, the rotation of the mounting seat 6 can be controlled by the rotation of the mounting shaft 13, and the rotation of the elastic clamping piece 7 can be controlled by the rotation of the mounting seat 6, so that the rotation of the workpiece can be controlled while the workpiece is clamped and fixed by the elastic clamping piece 7.

[0036] The elastic clamping member 7 in the utility model includes an elastic connecting member 15 arranged on the surface of the mounting seat 6, and a clamping plate 16 is arranged on the inner side of the elastic connecting member 15, wherein the elastic connecting member 15 includes a spring 17 arranged between the mounting seat 6 and the clamping plate 16, and a first limiting telescopic rod 18 is arranged in conjunction with the spring 17. In this way, when the workpiece is clamped and fixed, the mounting seat 6 can be driven to move relative to each other by the clamping frame 5, and the movement of the first limiting telescopic rod 18 and the spring 17 can be controlled by the movement of the mounting seat 6, so that the clamping plates 16 are moved closer to or away from each other to achieve the clamping and fixation of the workpiece. At the same time, the setting of the spring 17 can achieve elastic contraction when the clamping plate 16 clamps and fixes the workpiece, thereby keeping the clamping plate 16 clamping and fixing the workpiece while avoiding the rigid pressing of the clamping plate 16 on the workpiece.

[0037] The utility model is provided with a plurality of air jets 8 evenly disposed at the inner bottom end of the mounting frame 3, and the air jets 8 are extended to the outer side of the mounting frame 3 to be provided with an air supply pipe 9, and the air supply pipe 9 is connected to an external drying air source, so that after the electroplating process is completed, the mounting frame 3 can be controlled to rise, thereby controlling the rise of the electroplated metal workpiece, and then, the external drying air source is transported to the position of the air jets 8 through the air supply pipe 9, and the drying air source is evenly sprayed from the air jets 8 toward the metal workpiece, thereby realizing timely drying of the metal workpiece after the electroplating is completed.

[0038] See also Figure 1-Figure 5 As an implementation of the clamping plate 16 , a non-slip pad 19 is provided on the surface of the clamping plate 16 , and a non-slip ridge 20 is provided on the non-slip pad 19 .

[0039] Specifically, the anti-skid property of the surface of the clamping plate 16 can be enhanced by providing the anti-skid pad 19 and the anti-skid ridge 20 .

[0040] See also Figure 1-Figure 5 As an implementation of the installation beam 1 , a second limiting telescopic rod 22 is provided between the installation beam 1 and the installation frame 3 .

[0041] Specifically, the second position-limiting telescopic rod 22 is provided to improve the lifting stability of the mounting frame 3 on the mounting beam 1 .

[0042] In summary, when the overall equipment is in use:

[0043] The whole is installed by installing the crossbeam 1, wherein the crossbeam 1 can be installed on an external horizontal movable structure, which is a prior art and will not be described in detail in the present utility model, and is used to realize the horizontal movement of the whole, so as to facilitate the loading of the metal to be electroplated and the unloading of the metal workpiece after the electroplating is completed;

[0044] During use, the metal workpiece to be electroplated is placed between the two corresponding groups of clamping frames 5, and the first motor 10 is started. The cooperation between the first motor 10 and the first synchronous belt structure 11 can control the synchronous rotation of the bidirectional screw 4. The threaded cooperation relationship between the bidirectional screw 4 and the clamping frame 5 can control the two clamping frames 5 in the same group to approach or move away from each other. The movement of the clamping frame 5 can control the movement of the mounting seat 6 to drive the elastic connecting member 15, and the movement of the elastic connecting member 15 drives the movement of the clamping plate 16, so that the clamping and fixing of the workpiece to be electroplated is achieved through the cooperation of the clamping plate 16. The utility model can clamp multiple groups of workpieces at the same time, thereby improving the efficiency of workpiece electroplating processing;

[0045] Afterwards, the external horizontal moving structure controls the installation beam 1 to drive the whole to move to the electroplating tank position;

[0046] The electric push rod 2 is started, and the mounting frame 3 is controlled to rise and fall by the electric push rod 2. The lifting of the mounting frame 3 drives the lifting of the bidirectional screw 4, and the lifting of the bidirectional screw 4 controls the lifting of the clamping frame 5, so that the clamping plate 16 drives the lifting of the workpiece, so that the workpiece can be placed in the external electroplating tank to realize the electroplating processing of the metal workpiece;

[0047] After the electroplating is completed, the workpiece is controlled to rise to a suitable position, and the external drying gas source is transported to the position of the injection pipe 8 through the air supply pipe 9, and the drying gas source is evenly sprayed from the injection pipe 8 toward the metal workpiece, thereby achieving timely drying of the metal workpiece after the electroplating is completed;

[0048] During this process, the second motor 12 is started, and the mounting shaft 13 can be controlled to rotate synchronously through the cooperation of the second motor 12 and the second synchronous belt structure 14. The rotation of the mounting shaft 13 can control the rotation of the mounting seat 6, and the rotation of the elastic clamping member 7 can be controlled through the rotation of the mounting seat 6. Therefore, while the workpiece is clamped and fixed by the elastic clamping member 7, the rotation of the workpiece can be controlled, thereby improving the comprehensiveness and efficiency of drying the workpiece after electroplating is completed.

[0049] In all the schemes mentioned above, the connection between two parts can be selected according to the actual situation by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which will not be described one by one here. In the above, all fixed connections are preferably considered to be welding. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can 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;

[0050] In all the schemes mentioned above, the operation of electrical components is controlled by a controller. Since the devices matched with the controller are commonly used devices, their control principles and line connections are all existing well-known and mature technologies, and their electrical connection relationships and specific circuit structures will not be elaborated here.

Claims

1. A workpiece clamping device for metal electroplating processing, comprising a mounting beam (1), characterized in that: The mounting crossbeam (1) is provided with an electric push rod (2), the bottom end of the electric push rod (2) is provided with a mounting frame (3), a plurality of groups of bidirectional screws (4) are rotatably mounted on the mounting frame (3) through bearings, and a first driving assembly is provided in cooperation with the bidirectional screws (4), each group of the bidirectional screws (4) is symmetrically threadedly provided with a clamping frame (5), each clamping frame (5) is rotatably mounted with a mounting seat (6) through a bearing, an elastic clamping piece (7) is provided on the inner side of the mounting seat (6), a second driving assembly is provided in cooperation with the mounting seat (6) on one side of the clamping frame (5), a plurality of jet pipes (8) are evenly arranged at the inner bottom end of the mounting frame (3), an air supply pipe (9) is provided on the outer side of the jet pipe (8) extending to the mounting frame (3), and the air supply pipe (9) is connected to an external drying air source.

2. The clamping device for a workpiece for metal electroplating processing according to claim 1 is characterized in that: The first driving assembly comprises a first motor (10), the first motor (10) being transmission-connected to one of the bidirectional screw rods (4), and a first synchronous belt structure (11) being arranged between two adjacent groups of the bidirectional screw rods (4).

3. The clamping device for a workpiece for metal electroplating processing according to claim 2 is characterized in that: The second driving assembly comprises a second motor (12), and each of the mounting seats (6) is provided with a mounting shaft (13), the mounting shaft (13) is rotatably mounted on the corresponding clamping frame (5) through a bearing and extends outwardly, the second motor (12) is transmission-connected to one of the mounting shafts (13), and a second synchronous belt structure (14) is provided between two adjacent groups of the mounting shafts (13).

4. A clamping device for a workpiece for metal electroplating processing according to any one of claims 1 to 3, characterized in that: The elastic clamping member (7) comprises an elastic connecting member (15) arranged on the surface of the mounting seat (6), and a clamping plate (16) is arranged on the inner side of the elastic connecting member (15).

5. The clamping device for a workpiece for metal electroplating processing according to claim 4 is characterized in that: The elastic connecting member (15) comprises a spring (17) arranged between the mounting seat (6) and the clamping plate (16), and a first position-limiting telescopic rod (18) is arranged in conjunction with the spring (17).

6. The clamping device for a workpiece for metal electroplating processing according to claim 5, characterized in that: The surface of the clamping plate (16) is provided with an anti-skid pad (19), and the anti-skid pad (19) is provided with an anti-skid ridge (20).

7. The clamping device for a workpiece for metal electroplating processing according to claim 1 is characterized in that: The mounting frame (3) is provided with a limit rod (21) in cooperation with each bidirectional screw rod (4), and the clamping frame (5) is slidably sleeved on the limit rod (21).

8. The clamping device for a workpiece for metal electroplating processing according to claim 1, characterized in that: A second position-limiting telescopic rod (22) is provided between the mounting crossbeam (1) and the mounting frame (3).

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