Self-dismounting device of plug for electroplating cylindrical workpiece

Abstract

The utility model discloses a self-dismounting and mounting device for a plug for electroplating a cylindrical workpiece. The self-dismounting and mounting device comprises a clamping mechanism and a driving mechanism. The clamping mechanism comprises a base and clamping air cylinders symmetrically arranged on the base, and a clamping block attached to the outer wall of the cylindrical workpiece is arranged at the piston end of each clamping air cylinder. The driving mechanism comprises a top plate arranged on the top side of the base, driving air cylinders symmetrically arranged on the top plate, a driving motor vertically connected to the piston ends of the driving air cylinders, and a driving roller arranged on a rotating shaft of the driving motor and capable of making contact with the peripheral face of the plug. According to the self-dismounting device, the barrel-shaped workpiece is clamped and fastened through the clamping mechanism, and then the plug can be driven to rotate through the driving mechanism, so that the self-dismounting device is assembled with the barrel-shaped workpiece. In the whole dismounting and mounting process, mechanical driving rotation of the plug is achieved, compared with current manual operation, the assembling efficiency of the plug can be greatly improved, and an internal thread structure of a cylindrical workpiece is effectively protected.

Description

Technical Field

[0001] The present application relates to the technical field of disassembly and assembly of plugs for cylindrical workpieces, and in particular to a self-disassembly and assembly device for plugs for electroplating cylindrical workpieces. Background Art

[0002] Cylindrical workpiece (specific structure as attached in the manual) Figure 1 (as shown) is a specially designed industrial component, which is usually used in many fields and occasions, such as the barrel for oil buffers. After the barrel workpiece is processed and formed, its outer surface is usually electroplated. This process can not only improve the aesthetics of the barrel workpiece, but also achieve corrosion protection and protection of the outer surface of the workpiece. Electroplating can form a metal film on the surface of the mechanical product. This film has the functions of avoiding corrosion, improving wear resistance, conductivity and reflectivity. Through electroplating technology, the workpiece can obtain a protective layer to resist the corrosion factors in the external environment and extend the service life of the workpiece.

[0003] Since the cylindrical workpiece is a blind hole structure, it is currently necessary to use a plug (thread plug) to seal the hole port during electroplating operations (see the attached manual). Figure 1 As shown in the figure, the electroplating material can be effectively prevented from entering the inner hole of the cylindrical workpiece during the electroplating operation, which would affect its later use. However, during the installation of the plug, the plug is manually rotated and sealed on the cylindrical workpiece. After the electroplating is completed, the operator needs to disassemble the plug again. During the batch electroplating operation, the manual disassembly and assembly of the plug makes the operation efficiency low. In addition, during the assembly of the plug, if the plug held by the operator is axially deviated from the cylindrical workpiece ( Figure 2 If the plug is not assembled properly, the internal and external threads will jump out and become stuck (similar to the cooperation between bolts and nuts), which will not only affect the smooth assembly of the plug, but may also damage the internal threads of the cylindrical workpiece and affect its sealing performance in later use. Summary of the invention

[0004] In response to the above-mentioned problems, the present application aims to provide a self-disassembly and assembly device for a plug for electroplating of a cylindrical workpiece, which can realize mechanically driven rotation of the plug during the entire disassembly and assembly process of the plug. Compared with the current manual operation, it can greatly improve the assembly efficiency of the plug and effectively protect the internal thread structure of the cylindrical workpiece.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted in this application is as follows: a self-disassembly and assembly device for a plug for electroplating a cylindrical workpiece, characterized in that: the self-disassembly device includes a clamping mechanism that can fix the cylindrical workpiece, and a driving mechanism that assembles or disassembles the plug with the cylindrical workpiece when the cylindrical workpiece is fixed.

[0006] Preferably, the clamping mechanism comprises a base and clamping cylinders symmetrically arranged on the base, and a clamping block that fits against the outer wall of the cylindrical workpiece is arranged at the piston end of each clamping cylinder.

[0007] Preferably, the driving mechanism includes a top plate arranged on the top side of the base, a driving cylinder symmetrically arranged on the top plate, a driving motor vertically connected to the piston end of the driving cylinder, and a driving roller that can contact the circumferential surface of the plug is arranged on the rotating shaft of the driving motor.

[0008] Preferably, a supporting cylinder is also vertically arranged on the top plate, and a supporting roller capable of contacting the surface of the plug is rotatably arranged at the piston end of the supporting cylinder.

[0009] The beneficial effects of the present application are as follows: the self-disassembly device clamps and tightens the cylindrical workpiece through the clamping mechanism, and then drives the plug to rotate through the driving mechanism to achieve assembly with the cylindrical workpiece. After the electroplating is completed, the cylindrical workpiece is clamped again by the clamping mechanism, and the plug is reversely driven to rotate by the driving mechanism to achieve rapid disassembly with the cylindrical workpiece. The mechanical drive rotation of the plug is achieved during the entire disassembly and assembly process, which can greatly improve the assembly efficiency of the plug compared to the current manual operation, and effectively protect the internal thread structure of the cylindrical workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The figure shows the current process of manually assembling a plug on a cylindrical workpiece.

[0011] Figure 2 This is a diagram showing the axial deviation between the plug and the cylindrical workpiece during the current manual assembly.

[0012] Figure 3 This is a front view of the overall structure of the self-disassembly and assembly device of this application.

[0013] Figure 4 This is a diagram showing the operation of the self-disassembly and assembly device of the present application in assembling a plug onto a cylindrical workpiece.

[0014] Figure 5 For this application Figure 4 Illustration showing relative friction and wear between the middle plug and the driving roller during the downward movement.

[0015] Figure 6 The driving roller structure that can move up and down with the plug is provided for this application.

[0016] Figure 7 This is a diagram showing that the driving roller moves downward synchronously during the downward movement of the plug in this application. DETAILED DESCRIPTION

[0017] In order to enable ordinary technicians in the field to better understand the technical solution of the present application, the technical solution of the present application is further described below in conjunction with the accompanying drawings and embodiments.

[0018] See attached Figures 1 to 7 The self-disassembly device of a plug for electroplating a cylindrical workpiece shown in the figure comprises a clamping mechanism for fixing the cylindrical workpiece 1, and a driving mechanism for assembling or disassembling the plug 2 with the cylindrical workpiece 1 when the cylindrical workpiece 1 is fixed. When assembling the plug 2, firstly, the cylindrical workpiece 1 is clamped and fastened by the clamping mechanism, as shown in FIG. Figure 3 As shown, the plug 2 is then placed at the end of the cylindrical workpiece 1, and then the plug 2 can be driven to rotate by the driving mechanism to achieve assembly with the cylindrical workpiece 1, as shown in FIG. Figure 4 After the electroplating is completed, the cylindrical workpiece 1 is clamped again by the clamping mechanism, and the plug 2 is driven to rotate in the reverse direction by the driving mechanism, so as to realize the rapid disassembly from the cylindrical workpiece 1.

[0019] Specifically, Figure 3-4 As shown, the clamping mechanism includes a base 3 and a clamping cylinder 4 symmetrically arranged on the base 3, and a clamping block 41 that fits the outer wall of the cylindrical workpiece is arranged at the piston end of each clamping cylinder 4. Among them, the inner surface of the clamping block 41 is preferably provided with an arc groove (not shown in the figure) that fits the outer peripheral surface of the cylindrical workpiece 1. During operation, the cylindrical workpiece is placed between the symmetrical clamping blocks 41, and the cylindrical workpiece 1 can be clamped by the arc groove of the clamping block 41 by driving the clamping cylinders 4 on both sides at the same time, so as to achieve the fixing effect on the cylindrical workpiece 1 when the plug 2 is subsequently disassembled and assembled. The arc groove provided by the clamping block 41 can increase the contact area between the clamping block 41 and the outer peripheral surface of the cylindrical workpiece, improve the tightness of the clamping of the cylindrical workpiece, and resist the problem of synchronous rotation of the cylindrical workpiece 1 when the plug 2 is rotated and disassembled.

[0020] Specifically, Figure 3-4 As shown, the driving mechanism includes a top plate 5 arranged on the top side of the base 3, and a driving cylinder 6 symmetrically arranged on the top plate 5, and a driving motor 7 is vertically connected to the piston end of the driving cylinder 6, and a driving roller 71 that can contact the peripheral surface of the plug is arranged on the rotating shaft of the driving motor 7. After the clamping cylinder 4 drives the clamping block 41 to clamp and fix the cylindrical workpiece 1, the plug 2 to be assembled is first placed in a horizontal state at the top end of the cylindrical workpiece 1, and then the driving cylinders 6 on both sides are driven synchronously, so that the driving roller 71 of the driving motor 7 is in contact with the peripheral surface of the plug 2, and under the driving action of the driving motor 7, the driving roller 71 is driven to Figure 4 The plug 2 can be driven to be assembled with the cylindrical workpiece 1 by rotating in the direction of the rotating arrow. When disassembling, the plug 2 can be clamped in the same way, and the driving roller 71 of the driving motor 7 rotates in the opposite direction to realize the disassembly operation of the plug 2.

[0021] Preferably, the driving roller 71 may be made of a resin or rubber material having a relatively large contact friction force so as to increase the contact friction force with the plug 2 , thereby enabling the plug 2 to be quickly disassembled and assembled through the driving roller 71 .

[0022] like Figure 5 As shown, when the driving roller 71 drives the plug 2 to tighten, the plug 2 moves vertically downward ( Figure 5 As shown by the arrow in the middle, the plug 2 is close to the cylindrical workpiece 1, which causes vertical relative friction between the plug 2 and the driving roller 71, causing surface wear of the driving roller 71. The wear of the driving roller 71 will be accelerated during batch operation. Therefore, in order to solve this problem, Figure 6-7 As shown, the driving roller 71 and the rotating shaft of the driving motor 7 are matched with a key and a keyway, so that the driving roller 71 can be displaced vertically, and then during the tightening process, the friction between it and the plug 2 will drive the driving roller 71 to move down synchronously with the plug 2; and during disassembly, the driving roller 71 can be driven in the reverse direction to move up synchronously, thereby effectively solving the displacement wear of the driving roller 71 caused by the up and down movement of the plug 2. Before the assembly or disassembly operation, the driving roller 71 can be manually driven up and down to adjust the contact position with the plug 2.

[0023] Before assembling the plug 2, it is necessary to manually place the plug 2 horizontally at the top side port of the cylindrical workpiece 1. In order to ensure that the plug 2 can be placed horizontally, Figure 3-4 As shown, a supporting cylinder 8 is also vertically arranged on the top plate 5, and a supporting roller 9 is rotatably arranged at the piston end of the supporting cylinder 8 to contact the surface of the plug 2. During operation, the supporting cylinder 8 drives the supporting roller 9 to contact the top surface of the plug 2 before the driving roller 71, driving the plug 2 to be in a horizontal state, and then the driving roller 71 contacts the side circumference of the plug 2, driving the plug 2 to rotate, and realizing the patented assembly with the cylindrical workpiece 1.

[0024] The action sequence of each cylinder and driving motor in the above-mentioned self-assembly and disassembly device can be controlled by a control system to act in sequence.

[0025] The principle of the present application is: when assembling the plug 2 and the cylindrical workpiece 1, first place the cylindrical tube between the symmetrical clamping blocks 41, then drive the clamping cylinder 4 to clamp the cylindrical workpiece 1, then place the plug 2 at the top end of the cylindrical workpiece 1 in a relatively horizontal state, and then drive the supporting cylinder 8 to drive the supporting rod 9 to move down and contact the top surface of the plug 2, and then drive the cylinder 6 synchronously to make the driving roller 71 of the driving motor 7 contact the peripheral surface of the plug 2, and under the driving action of the driving motor 7, drive the driving roller 71 to rotate, so that the plug 2 can be driven to be assembled with the cylindrical workpiece 1. When disassembling, clamping in the same way, and the driving roller 71 of the driving motor 7 rotates in the opposite direction, can realize the disassembly operation of the plug 2.

[0026] The above shows and describes the basic principles, main features and advantages of the present application. Without departing from the spirit and scope of the present application, the present application may have various changes and improvements, which fall within the scope of the present application to be protected.

Claims

1. A self-disassembly and assembly device for a plug for electroplating a cylindrical workpiece, characterized in that: The self-disassembly device comprises a clamping mechanism capable of fixing a cylindrical workpiece (1), and a driving mechanism capable of assembling or disassembling a plug (2) and the cylindrical workpiece (1) when the cylindrical workpiece (1) is fixed; The clamping mechanism comprises a base (3) and clamping cylinders (4) symmetrically arranged on the base (3), and a clamping block (41) is arranged at the piston end of each clamping cylinder (4) and is in contact with the outer wall of the cylindrical workpiece; The driving mechanism comprises a top plate (5) arranged on the top side of the base (3), and a driving cylinder (6) symmetrically arranged on the top plate (5), a driving motor (7) vertically connected to the piston end of the driving cylinder (6), and a driving roller (71) capable of contacting the peripheral surface of the plug is arranged on the rotating shaft of the driving motor (7); A supporting cylinder (8) is also vertically arranged on the top plate (5), and a supporting roller (9) capable of contacting the surface of the plug (2) is rotatably arranged on the piston end of the supporting cylinder (8).

Images