Elastic centering conductive tip structure of gravure plating bath

Abstract

The utility model relates to the technical field of gravure roller positioning, in particular to an elastic centering conductive tip structure of a gravure plating bath, which comprises a conical positioning block formed by processing insulating materials, a conductive sleeve in conductive contact with a workpiece is coaxially sleeved on the conical positioning block, and a guide shaft is mounted on the conductive sleeve. An internal guide hole for the guide shaft to slide in a guiding manner is formed in the conical positioning block in a penetrating manner; an extension spring sleeving the guide shaft is arranged between the conical positioning block and the conductive sleeve; the workpiece needing to be positioned is matched with the positioning module, the conical positioning block of the positioning module is embedded into the hole of the workpiece, the inclined face of the conical positioning block is matched with the round hole of the workpiece, preliminary positioning is achieved, the conical positioning block can position the workpieces with different hole diameters, and practicability is further improved. And after preliminary positioning, the conductive sleeve is in sliding fit with the internal guide hole through the guide shaft, so that the end wall of the conductive sleeve is in contact with the end wall surface of the workpiece to realize conductive contact, and during electroplating, electric ions can be guided to dissociate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the recessed roller positioning technical field especially relates to recessed electroplating tank elastic centering electrically conductive tailstock structure. BACKGROUND

[0002] The recessed roller needs to be positioned when electroplating, and needs to be electrically conductive at the same time to ensure the stability of electroplating.

[0003] Since the recessed roller is a cylindrical structure, the positioning mode is usually to insert both ends of the workpiece into the positioning block to realize positioning. Since the hole diameters of the inner holes of recessed rollers of different sizes are different, a single positioning block cannot meet the positioning of recessed rollers of different sizes, and a new mold needs to be opened, which is high in cost. UTILITY MODEL CONTENTS

[0004] The utility model aims at the deficiency of prior art to provide a kind of recessed electroplating tank elastic centering electrically conductive tailstock structure.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] The recessed electroplating tank elastic centering electrically conductive tailstock structure includes a positioning module arranged at both ends of the workpiece, the positioning module includes a conical positioning block made of insulating material, a cylindrical body is integrally formed at the tail end of the conical positioning block, a conductive sleeve in electrical contact with the workpiece is coaxially sleeved on the conical positioning block, and the conductive sleeve can be slidingly fitted with the cylindrical body; the conductive sleeve is provided with a guide shaft, the conical positioning block is provided with an internal guide hole for guiding the sliding of the guide shaft, and a tension spring is arranged between the conical positioning block and the conductive sleeve.

[0007] Further, a limiting block is installed at the outer end of the guide shaft, and the limiting block is in abutting engagement with the internal guide hole.

[0008] Further, the internal guide hole is coaxially formed with an elastic hole, and the tension spring is arranged in the elastic hole.

[0009] Further, the conductive sleeve is formed with a guide sliding groove in sliding engagement with the conical positioning block, and the guide shaft is installed in the guide sliding groove.

[0010] Further, the end wall of the guide sliding groove is formed with a concave fixing groove, the fixing groove is provided with a fixing disc, and the fixing disc is connected with the guide shaft.

[0011] Further, the outer wall of the guide shaft is axially formed with a concave positioning groove, the hole wall of the internal guide hole is radially formed with a protruding embedding block, and the embedding block is in sliding engagement with the positioning groove.

[0012] Further, the inner end of the cylinder is formed with an annular groove, the annular groove is sleeved with an insulating ring made of insulating material, and the insulating ring insulates the conical positioning block from the conductive sleeve.

[0013] Further, the inclined surface of the conical positioning block is provided with a positioning key.

[0014] Further, the inclined surface of the conical positioning block is formed with an inner recessed mounting groove, and the bottom of the positioning key is formed with a bottom connecting seat connected with the mounting groove.

[0015] The utility model discloses beneficial effects: the workpiece needing positioning is cooperated with the positioning module, and the conical positioning block of the positioning module is embedded into the hole of the workpiece, so that the inclined surface of the conical positioning block is cooperated with the round hole of the workpiece, and preliminary positioning is realized, the conical positioning block can position the workpiece of different hole diameters, and the practicality is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the structural schematic diagram of the centering conductive center.

[0017] Fig. 2 It is the sectional view schematic diagram of the centering conductive center.

[0018] The attached drawing mark includes:

[0019] 1-positioning module,

[0020] 11-conical positioning block, 12-cylinder, 13-internal guide hole, 14-elastic hole, 15-embedded block,

[0021] 16-annular groove, 17-insulating ring, 18-positioning key, 19-mounting groove, 191-bottom connecting seat,

[0022] 2-conductive sleeve,

[0023] 21-guiding sliding groove, 22-guiding shaft, 23-fixing groove, 24-fixing disc, 25-positioning groove,

[0024] 26-limiting block, 27-tension spring. DETAILED DESCRIPTION

[0025] The utility model discloses beneficial effects: the workpiece needing positioning is cooperated with the positioning module, and the conical positioning block of the positioning module is embedded into the hole of the workpiece, so that the inclined surface of the conical positioning block is cooperated with the round hole of the workpiece, and preliminary positioning is realized, the conical positioning block can position the workpiece of different hole diameters, and the practicality is further improved.

[0026] As Figs. 1-2As shown, the concave electroplating tank elastic centering conductive top structure, including setting in workpiece both ends of positioning module 1, positioning module 1 includes by insulating material processing into conical positioning block 11, conical positioning block 11 tail end integral forming connected with cylinder 12, conical positioning block 11 coaxial sleeve set with the workpiece conductive contact conductive sleeve 2, conductive sleeve 2 can with cylinder 12 sliding fit;Conductive sleeve 2 is installed with guide shaft 22, conical positioning block 11 is formed with internal guide hole 13 for guide shaft 22 guiding sliding, conical positioning block 11 and conductive sleeve 2 between set up set in guide shaft 22 tension spring 27.

[0027] The workpiece to be positioned is matched with the positioning module 1, the conical positioning block 11 of the positioning module 1 is embedded into the hole of the workpiece, so that the inclined surface of the conical positioning block 11 is matched with the circular hole of the workpiece, preliminary positioning is realized, the conical positioning block 11 can position the workpiece with different hole diameters, and the practicability is further improved;After preliminary positioning, the conductive sleeve 2 is slidably matched with the internal guide hole 13 through the guide shaft 22, so that the end wall of the conductive sleeve 2 is in contact with the end wall of the workpiece, conductive contact is realized, and ionization can be guided during electroplating.

[0028] The outer end of the guide shaft 22 is installed with a limiting block 26, and the limiting block 26 is in abutting fit with the internal guide hole 13. When the conductive sleeve 2 moves axially, the limiting block 26 can be in abutting fit with the internal guide hole 13 to prevent the conductive sleeve 2 from being separated from the conical positioning block 11, so that the conductive sleeve 2 is always movably connected with the conical positioning block 11.

[0029] Further, the internal guide hole 13 is coaxially formed with an elastic hole 14, and the tension spring 27 is arranged in the elastic hole 14. Under the elastic action of the tension spring 27, the end wall of the conductive sleeve 2 is in contact with the end wall of the workpiece, and conductive contact is realized.

[0030] Further, the conductive sleeve 2 is formed with a guide sliding groove 21 slidably matched with the conical positioning block 11, and the guide shaft 22 is installed in the guide sliding groove 21. The end wall of the guide sliding groove 21 is formed with an inner recessed fixing groove 23, the fixing groove 23 is installed with a fixing disc 24, and the fixing disc 24 is connected with the guide shaft 22. The guide shaft 22 is fixedly connected with the fixing disc 24 to form an integrated structure, the conductive sleeve 2 is slidably matched with the conical positioning block 11 through the guide sliding groove 21, when sliding, the guide sliding groove 21 can surround the conical positioning block 11, continuously approach the workpiece, and be in conductive contact with the workpiece.

[0031] Further, the outer wall of the guide shaft 22 is axially formed with a concave positioning groove 25, the hole wall of the inner guide hole 13 is radially formed with a convex embedding block 15, the embedding block 15 and the positioning groove 25 are in sliding fit; the sliding fit of the positioning groove 25 and the embedding block 15, that is, when the conductive sleeve 2 moves in the axial direction, the embedding block 15 formed in the guide hole will slide in the axial direction along the positioning groove 25 of the guide shaft 22, so as to ensure the stability of the movement of the conductive sleeve 2 and prevent the rotation of the conductive sleeve 2, thereby ensuring the stability of the conduction.

[0032] The inner end of the cylinder 12 is formed with a concave annular groove 16, the annular groove 16 is sleeved with an insulating ring 17 formed by insulating material, and the insulating ring 17 insulates the conical positioning block 11 from the conductive sleeve 2. The insulating ring 17 can prevent the conical positioning block 11 from directly contacting the conductive sleeve 2, thereby achieving insulation and preventing the conical positioning block 11 from conducting electricity.

[0033] Since the inner wall of the workpiece has a key groove, the workpiece is prevented from rotating during positioning. The inclined surface of the conical positioning block 11 is provided with a positioning key 18. The inclined surface of the conical positioning block 11 is formed with a concave mounting groove 19, and the bottom of the positioning key 18 is formed with a bottom connecting seat 191 connected with the mounting groove 19. The positioning key 18 is axially aligned with the key groove of the product, and when the conical positioning block 11 positions the workpiece, the positioning key 18 cooperates with the key groove of the product to clamp the product and prevent the product from rotating, thereby ensuring the stability of the conduction.

[0034] As can be seen from the above, the utility model has the above-mentioned excellent characteristics, and can improve the performance of the prior art and has practicality, and becomes a product with high practical value.

[0035] The above is only a preferred embodiment of the utility model, and for those skilled in the art, according to the idea of the utility model, the specific implementation mode and application range can be changed, and the content of the specification should not be understood as limiting the utility model.

Claims

1. A structure of elastic centering conductive center for gravure plating cell, comprising a positioning module arranged at both ends of a workpiece, characterized in that: The positioning module comprises a conical positioning block formed by processing insulating material, a cylinder is integrally formed at the tail end of the conical positioning block, a conductive sleeve in conductive contact with the workpiece is coaxially sleeved on the conical positioning block, the conductive sleeve can be slidingly matched with the cylinder; a guide shaft is installed on the conductive sleeve, the conical positioning block is penetrated by an internal guide hole for guiding sliding of the guide shaft, a tension spring is arranged between the conical positioning block and the conductive sleeve and sleeved on the guide shaft.

2. The flexible centering conductive center structure for a photogravure plating cell of claim 1, wherein: The outer end of the guide shaft is provided with a limiting block, and the limiting block is in abutting engagement with the internal guide hole.

3. The flexible centering conductive center structure for a photogravure plating cell of claim 2, wherein: The internal guide hole is coaxially formed with an elastic hole, and the tension spring is arranged in the elastic hole.

4. The flexible centering conductive center structure for a photogravure plating cell of claim 3, wherein: The conductive sleeve is formed with a guide sliding groove in sliding engagement with the conical positioning block, and the guide shaft is installed in the guide sliding groove.

5. The flexible centering conductive center structure for a photogravure plating cell of claim 4, wherein: An end wall of the guide sliding groove is formed with an inner recessed fixing groove, a fixing disc is installed in the fixing groove, and the fixing disc is connected with the guide shaft.

6. The flexible centering conductive center structure for a photogravure plating cell of claim 5, wherein: An outer wall of the guide shaft is axially formed with an inner recessed positioning groove, and a hole wall of the internal guide hole is radially formed with a protruding embedding block, the embedding block is in sliding engagement with the positioning groove.

7. The flexible centering conductive center structure for a photogravure plating cell of claim 1 wherein: An inner end of the cylinder is formed with an inner recessed annular groove, an insulating ring formed by processing insulating material is sleeved on the annular groove, and the insulating ring insulates the conical positioning block from the conductive sleeve.

8. The flexible centering conductive center structure for a photogravure plating cell of claim 1 wherein: A slope of the conical positioning block is provided with a positioning key.

9. The flexible centering conductive center structure for a photogravure plating cell of claim 8, wherein: The slope of the conical positioning block is formed with an inner recessed installation groove, and a bottom of the positioning key is formed with a bottom connecting seat connected with the installation groove.

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