Clamping device for electroplating processing of plastic workpiece

Abstract

The utility model discloses a clamping device for electroplating processing of a plastic workpiece, relates to the field of electroplating processing, solves the problem that the electroplating processing effect of the whole workpiece is influenced by an electroplating blind area existing in the conventional fixed-point clamping, and adopts the following scheme that the clamping device comprises a support plate and a hydraulic cylinder seat at the top of the support plate, the bottom end of an output shaft of the hydraulic cylinder base is fixedly connected with a driving assembly. Two thumb bidirectional electric cylinders are arranged in the driving assembly, and the outer end of each thumb bidirectional electric cylinder is fixedly connected with a clamping assembly. A main body of the clamping assembly is a clamping strip, and a contact strip is fixedly mounted on the outer wall of the bottom end of the clamping strip; according to the clamping device for electroplating machining of the plastic workpieces, through arrangement of two thumb bidirectional electric cylinders in the driving assembly, the two clamping assemblies opposite in position can be synchronously and externally supported, the clamping assemblies opposite in angle are used for temporarily clamping the clamping assemblies, and clamping parts on the other set of workpieces make contact with the electroplating liquid level; and the overall electroplating processing effect of the plastic workpiece is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of electroplating processing, in particular to a clamping device for electroplating processing of plastic workpieces. Background Art

[0002] In the manufacturing process of existing plastic workpieces, in order to ensure their own quality, they sometimes need to be electroplated to attach metal to the surface of the workpiece. In this process, the plastic workpiece needs to be clamped and placed in the electroplating solution.

[0003] After searching, the application with patent number CN201922501192.5 discloses an electroplating fixture for processing plastic products, including a base, a support frame is provided on the base, and a mounting table for placing a workpiece is provided in the middle of the support frame; a plurality of clamping arms are arranged on the base and can move back and forth, and are used to position the workpiece on the mounting table; a driving device is used to drive the plurality of clamping arms to move synchronously; a plurality of groups of clamping heads are respectively arranged corresponding to the plurality of clamping arms; the clamping head includes a connecting seat arranged in a U-shaped structure, a hydraulic cavity arranged in the connecting seat, a first piston arranged in the hydraulic cavity and movable left and right, two openings formed at both ends of the connecting seat and connected to the hydraulic cavity, and a first moving head and a second moving head respectively arranged corresponding to the two openings;

[0004] The above application document can achieve tight clamping of plastic workpieces of different shapes by setting the shape of the chuck to ensure the limiting effect. However, firstly, the positioning clamping setting causes there to always be a part of the position that is not in contact with the plating solution, and then there may be a part of the plating blind area during electroplating, which affects the electroplating effect of the entire workpiece, and the overall driving device is arranged on the outside, resulting in the workpiece being on the same plane with it after clamping, and placing it in the plating solution may affect the normal operation of the driving device.

[0005] Therefore, we proposed a clamping device for electroplating processing of plastic workpieces. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a clamping device for electroplating processing of a plastic workpiece, which solves the problem that the existing fixed-point clamping has a blind area for electroplating that affects the electroplating processing effect of the overall workpiece.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a plastic workpiece electroplating processing clamping device, including a support plate and a hydraulic cylinder seat on the top thereof, and the bottom end of the output shaft of the hydraulic cylinder seat is fixedly connected with a driving component;

[0008] The driving assembly is provided with two groups of thumb bidirectional electric cylinders, and the outer ends of each group of thumb bidirectional electric cylinders are fixedly connected to a clamping assembly;

[0009] The main body of the clamping assembly is a clamping bar, a contact bar is fixedly mounted on the outer wall of the bottom end of the clamping bar, and a V-shaped limiting groove is arranged on the inner side surface of the contact bar.

[0010] Preferably, the contact strip is made of soft rubber;

[0011] The material setting of the contact strip facilitates corresponding deformation according to the shape of the edge of the plastic workpiece during extrusion, thereby ensuring the contact effect therebetween and thus ensuring the effect of subsequent extrusion and clamping.

[0012] Preferably, the bottom ends of the clamping strip and the contact strip are fixedly mounted with end clips extending inwards;

[0013] Among them, the setting of the end clamp can provide auxiliary support for the plastic workpiece from the bottom side, thereby ensuring the auxiliary support effect for the plastic workpiece and ensuring its stability during electroplating processing.

[0014] Preferably, a sleeve is fixedly mounted on the top of the clamping strip, and the sleeve is threadedly sleeved on the outer end of the output shaft of the thumb bidirectional electric cylinder in the driving assembly;

[0015] Among them, the setting of the sleeve makes it easy to disassemble and assemble the clamping component.

[0016] Preferably, the two groups of thumb bidirectional electric cylinders in the driving assembly are cross-shaped, and the bottom ends of the clamping assemblies at the outer ends thereof are arranged on the same plane;

[0017] Among them, the setting of the positions of the two sets of thumb bidirectional electric cylinders in the driving assembly can enable the four sets of clamping assemblies to be placed diagonally to ensure the overall limiting effect.

[0018] Preferably, the driving assembly is entirely arranged on the top side of the electroplating liquid surface.

[0019] The utility model provides a clamping device for electroplating processing of plastic workpieces. It has the following beneficial effects:

[0020] 1. The clamping device for electroplating processing of plastic workpieces can synchronously support two sets of clamping components in opposite positions by setting two sets of thumb bidirectional electric cylinders in the driving assembly, and use two sets of diagonal clamping components to temporarily clamp the workpieces, so that the clamping parts on the other set of workpieces are in contact with the electroplating liquid surface, thereby ensuring the electroplating processing of the entire plastic workpiece, and solving the problem that the existing fixed-point clamping has an electroplating blind area that affects the electroplating processing effect of the entire workpiece;

[0021] 2. The plastic workpiece electroplating processing clamping device, through the setting of the driving component and its outer clamping component, can stably clamp the plastic workpiece from four positions on the circumferential side through the setting of the clamping strips and contact strips at the four corners to ensure the limiting effect, and the setting of the shape and material of the contact strip can make it deform accordingly during extrusion to ensure the clamping and limiting effect, so that the plastic workpiece can be stably clamped according to its shape. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 It is a structural schematic diagram of the drive assembly of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the clamping assembly of the utility model.

[0025] In the figure: 1, support plate; 2, hydraulic cylinder seat; 3, drive assembly; 4, clamping assembly; 41, clamping strip; 42, contact strip; 43, end clamp; 44, sleeve seat. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-3 The embodiment of the utility model provides a technical solution: a clamping device for electroplating processing of plastic workpieces, comprising a support plate 1 and a hydraulic cylinder seat 2 on the top thereof, and the bottom end of the output shaft of the hydraulic cylinder seat 2 is fixedly connected with a driving component 3; two groups of thumb bidirectional electric cylinders are arranged in the driving component 3, and the outer ends of each group of thumb bidirectional electric cylinders are fixedly connected with a clamping component 4; the main body of the clamping component 4 is a clamping bar 41, and a contact bar 42 is fixedly installed on the outer wall of the bottom end of the clamping bar 41, and a V-shaped limiting groove is arranged on the inner side surface of the contact bar 42;

[0028] Among them, the plastic workpiece electroplating processing clamping device, through the setting of two groups of thumb bidirectional electric cylinders in the driving component 3, can synchronously support two groups of clamping components 4 located opposite to each other, and use two groups of diagonal clamping components 4 to temporarily clamp them, so that the clamping parts on the other group of workpieces are in contact with the electroplating liquid surface, thereby ensuring the overall electroplating processing of the plastic workpiece, and solving the problem that the existing fixed-point clamping has an electroplating blind area that affects the overall workpiece electroplating processing effect.

[0029] Embodiment 2:

[0030] The contact strip 42 is made of soft rubber; wherein, the material setting of the contact strip 42 facilitates its corresponding deformation according to the shape of the edge corner of the plastic workpiece during extrusion, thereby ensuring the contact effect therebetween, thereby ensuring the subsequent extrusion and clamping effect.

[0031] The bottom ends of the clamping strip 41 and the contact strip 42 are fixedly mounted with an inwardly extending end clip 43; wherein, the setting of the end clip 43 can provide auxiliary support to the plastic workpiece from the bottom side, thereby ensuring the auxiliary support effect for the plastic workpiece and ensuring its stability during electroplating processing.

[0032] A sleeve 44 is fixedly mounted on the top of the clamping strip 41 , and the sleeve 44 is threadedly sleeved on the outer end of the output shaft of the thumb bidirectional electric cylinder in the driving assembly 3 ; wherein, the arrangement of the sleeve 44 facilitates the convenient disassembly and assembly of the clamping assembly 4 .

[0033] The two groups of thumb bidirectional electric cylinders in the driving component 3 are cross-assembled, and the bottom ends of each group of clamping components 4 at their outer ends are arranged on the same plane; wherein, the position setting of the two groups of thumb bidirectional electric cylinders in the driving component 3 enables the four groups of clamping components 4 to be placed diagonally, thereby ensuring the overall limiting effect.

[0034] The driving assembly 3 is disposed as a whole on the top side of the electroplating liquid surface.

[0035] In addition, the plastic workpiece electroplating processing clamping device, through the setting of the driving component 3 and its outer clamping component 4, can stably clamp the plastic workpiece from four positions on the circumferential side through the setting of the clamping strips 41 and the contact strips 42 at the four corners to ensure the limiting effect, and the setting of the shape and material of the contact strip 42 can cause it to deform accordingly during extrusion to ensure the clamping and limiting effect, so that the plastic workpiece can be stably clamped according to its shape.

[0036] The working principle and use process of the utility model are as follows: when the device is needed to work, the four sides of the plastic workpiece are placed between the contact strips 42 on the bottom side of each group of clamping components 4, and then the thumb bidirectional electric cylinder in the driving component 3 is used to squeeze and clamp the plastic workpiece inward, so as to achieve the effect of clamping and limiting it, and then the hydraulic cylinder seat 2 is used to drive the clamping component 4 and the plastic workpiece to the electroplating liquid surface on the bottom side, and then the two groups of diagonal clamping components 4 are driven in timed steps to separate from the workpiece, so as to achieve the effect of blind-spot electroplating processing on the entire outer wall of the plastic workpiece.

[0037] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0038] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A clamping device for electroplating of plastic workpieces, comprising a support plate (1) and a hydraulic cylinder seat (2) on the top thereof, wherein the bottom end of the output shaft of the hydraulic cylinder seat (2) is fixedly connected to a driving assembly (3); Features: The driving assembly (3) is provided with two groups of thumb bidirectional electric cylinders, and the outer ends of each group of thumb bidirectional electric cylinders are fixedly connected to a clamping assembly (4); The main body of the clamping assembly (4) is a clamping bar (41), a contact bar (42) is fixedly mounted on the outer wall at the bottom end of the clamping bar (41), and a V-shaped limiting groove is provided on the inner side surface of the contact bar (42).

2. A plastic workpiece electroplating clamping device according to claim 1, characterized in that: The contact strip (42) is made of soft rubber.

3. The plastic workpiece electroplating clamping device according to claim 1, characterized in that: An inwardly extending end card (43) is fixedly mounted on the bottom ends of the clamping strip (41) and the contact strip (42).

4. The plastic workpiece electroplating clamping device according to claim 1, characterized in that: A sleeve (44) is fixedly mounted on the top of the clamping strip (41), and the sleeve (44) is threadedly sleeved on the outer end of the output shaft of the thumb bidirectional electric cylinder in the driving assembly (3).

5. The plastic workpiece electroplating clamping device according to claim 1, characterized in that: The two groups of thumb bidirectional electric cylinders in the driving assembly (3) are cross-shaped, and the bottom ends of the clamping assemblies (4) at the outer ends thereof are arranged on the same plane.

6. The plastic workpiece electroplating clamping device according to claim 1, characterized in that: The driving assembly (3) is arranged as a whole on the top side of the electroplating liquid surface.

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