CN112609233A - Net surface roller for electroplating - Google Patents
Net surface roller for electroplating Download PDFInfo
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- CN112609233A CN112609233A CN202011475140.6A CN202011475140A CN112609233A CN 112609233 A CN112609233 A CN 112609233A CN 202011475140 A CN202011475140 A CN 202011475140A CN 112609233 A CN112609233 A CN 112609233A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/16—Apparatus for electrolytic coating of small objects in bulk
- C25D17/18—Apparatus for electrolytic coating of small objects in bulk having closed containers
- C25D17/20—Horizontal barrels
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Abstract
The application discloses a mesh surface roller for electroplating, which comprises two end plates and a plurality of mesh plates, wherein each mesh plate is provided with a first side and a second side which correspond to each other, the first side is provided with a connecting rod which penetrates through the end plates, the connecting rod is connected with the end plates through fasteners, the first side is provided with a first limiting structure, the second side is provided with a second limiting structure, and the first limiting structure or the second limiting structure is positioned on the inner side of a cylindrical body to form a convex edge structure; in the two connected net plates, the second limiting structure on the second edge of one net plate is matched with the first limiting structure on the first edge of the other net plate; one screen plate is an opening and closing screen plate, and a second limit structure is not arranged on the second edge of the opening and closing screen plate; and the door locking mechanism is matched with the second edge of the opening and closing screen plate. The method adopts a non-welding connection mode, and is convenient to process and install; the inner side of the cylindrical body forms a rib structure, so that materials are not easy to adhere; compared with the existing structure, the door locking mechanism has better reliability for long-term use and more convenient operation.
Description
Technical Field
The invention relates to the field of electroplating, in particular to a mesh surface roller for electroplating.
Background
Present electroplate with cylinder all is the welding formation, and processing is comparatively inconvenient, and the cylinder is inside comparatively smooth, because the tension effect of liquid, the easy adhesion of material when rotating, among the prior art in addition, will open and shut door locking through the elasticity rope, but this kind of lock door structure is after long-time the use, and elasticity rope elasticity reduces, and the switch door is not hard up easily.
Disclosure of Invention
The invention aims at the problems and overcomes at least one defect, and provides a mesh surface roller for electroplating.
The technical scheme adopted by the invention is as follows:
a mesh surface roller for electroplating comprises two end plates arranged at intervals and a plurality of mesh plates arranged between the two end plates, wherein each mesh plate is sequentially connected to form a cylindrical body, each mesh plate is provided with a corresponding first edge and a corresponding second edge, connecting rods penetrating through the corresponding end plates are arranged at two ends of the first edge, the connecting rods are connected with the corresponding end plates through fasteners, the first edge is also provided with a first limiting structure, the second edge is provided with a second limiting structure, and the first limiting structure or the second limiting structure is positioned on the inner side of the cylindrical body to form a convex edge structure; in the two connected net plates, the second limiting structure on the second edge of one net plate is matched with the first limiting structure on the first edge of the other net plate; one screen plate is an opening and closing screen plate, the second limit structure is not arranged on the second edge of the opening and closing screen plate, the opening and closing screen plate can rotate around the axis of the connecting rod of the opening and closing screen plate, the second edge of the opening and closing screen plate is matched with the first edge of the adjacent screen plate, and the second edge of the opening and closing screen plate is in an opening state and a closing state;
still including the mechanism of locking a door that is used for locking or unblock second limit of opening and shutting otter board, the mechanism of locking a door includes:
the fixing plate is fixed on the screen plate adjacent to the second edge of the opening and closing screen plate;
the hasp is rotatably arranged on the fixing plate through a rotating shaft and is used for being matched with the second edge of the opening and closing screen plate, a through hole is formed in the middle of the hasp, one side of the hasp, which is back to the cylindrical body, is a matching side, and positioning surfaces are arranged on two sides of the through hole on the matching side;
the wrench is rotatably mounted on the fixing plate, a rotating axis of the wrench penetrates through the through hole, the wrench is provided with two locking surfaces, the two locking surfaces are matched with the two positioning surfaces in a one-to-one correspondence manner, the wrench is provided with two rotating positions which are respectively a locking working position and a releasing working position, when the working positions are locked, the locking surfaces are matched with the positioning surfaces, the hasp can be driven to rotate towards one side close to the cylindrical body through the locking surfaces, and the second side of the opening and closing screen plate is pressed tightly; when the working position is released, the wrench corresponds to the through hole, the wrench does not interfere with the through hole, the hasp can rotate towards one side far away from the cylindrical body, and the second edge of the opening and closing screen plate is not pressed.
The first edge of the net plate can be limited between the two end plates through the connecting rod and the fastener, and the net plate with the second limiting structure can be limited through the matching of the first limiting mechanism and the second limiting structure; the mesh surface roller for electroplating adopts a non-welding connection mode, so that the processing and the installation are more convenient; first limit structure or second limit structure can form the bead structure in the inboard of tube-shape body, and for current inboard smooth structure, when the cylinder rotated, the material was difficult to the adhesion. The principle of a door locking mechanism: the second limit of otter board will open and shut is closed, makes it be in closed state, rotates the spanner, and the locking surface and the locating surface cooperation of spanner drive the hasp to being close to the rotation of one side of tube-shape body, compress tightly the second limit of the otter board that opens and shuts, when needs unblock open and shut otter board, only need rotate the spanner, make it go to release work position, and the spanner is corresponding with the through hole this moment, and the spanner does not interfere with the through hole, and the hasp can be rotated to the one side of keeping away from the tube-shape body, no longer compresses tightly the second limit of the otter. The utility model provides a lock door mechanism for current elasticity rope structure, the reliability of long-term use is better, and the operation is more convenient.
The middle portion as referred to in this application is not limited to the middle. In practical use, the positioning surface can be formed by a bump, namely, the two sides of the through hole are provided with the bumps, and the surface of the bump is provided with the positioning surface.
In an embodiment of the invention, the first limiting structure is a first arc-shaped plate, the first arc-shaped plate and the first edge form a limiting groove, and the second limiting structure is a second arc-shaped plate, and the second arc-shaped plate is used for being embedded into the corresponding limiting groove.
The structure is convenient to assemble, and the second arc-shaped plate can be embedded into the limiting groove through rotation.
In one embodiment of the present invention, the mesh plate has a plurality of mesh holes; the opening and closing screen plate is provided with one piece.
In one embodiment of the present invention, the connecting rod has an external thread, and the fastening member is a nut; at least one of the end plates has drive teeth on the outside.
In one embodiment of the present invention, the two positioning surfaces are uniformly distributed around the rotation axis of the wrench; the positioning surface comprises a first part and a second part which are connected with each other, and when the wrench is switched from a release working position to a locking working position, the locking surface is firstly matched with the first part and is finally positioned on the second part; the first part is a gradually-changed curved surface, or the first part is an inclined surface which is obliquely arranged relative to the second part.
The locking surface is firstly matched with the first part, the first part is a curved surface or an inclined surface, the hasp can be gradually pressed when the spanner is rotated, and finally the locking surface and the second part are mutually attached and positioned; the locking surface is in surface fit with the second part, has larger static friction force and can be effectively positioned.
In one embodiment of the present invention, the end of the locking surface has a recessed guiding portion, and when the wrench is switched from the release position to the locking position, the guiding portion of the locking surface is first engaged with the first portion.
In one embodiment of the present invention, the guiding portion is a curved surface or an inclined surface.
The guide part facilitates reliable matching when the wrench is switched from the release working position to the locking working position.
In one embodiment of the present invention, the engaging side has a limit baffle, the limit baffle is located on a side of the second portion away from the first portion, and the limit stop is configured to engage with the wrench to limit a rotation angle of the wrench.
In one embodiment of the present invention, the wrench further includes a connecting bolt rotatably disposed on the base, the wrench has a threaded hole at an end thereof, the base has a counter bore at a bottom thereof, the counter bore corresponds to the through hole, and the connecting bolt passes through the counter bore and then is connected to the threaded hole of the wrench.
In one embodiment of the present invention, one end of the buckle away from the rotating shaft has a bending portion, and the bending portion is used for being matched with the second edge of the opening and closing screen plate.
The invention has the beneficial effects that: the screen surface roller for electroplating adopts a non-welding connection mode, so that the processing and the installation are more convenient; the first limiting structure or the second limiting structure can form a convex edge structure on the inner side of the cylindrical body, and materials are not easy to adhere when the roller rotates compared with the existing structure with a smooth inner side; compared with the existing elastic rope structure, the door locking mechanism has better reliability for long-term use and more convenient operation.
Description of the drawings:
FIG. 1 is a schematic structural view of a screen surface roller for electroplating in a closed state of an opening and closing screen plate;
FIG. 2 is a schematic view of a screen surface roller for electroplating in a state where an opening/closing screen plate is opened;
FIG. 3 is an exploded view of a cylinder with a mesh surface for electroplating;
FIG. 4 is a front view of the tubular body in a closed state of the opening and closing net plate;
FIG. 5 is a front view of the tubular body in an opened state of the opening and closing net plate;
FIG. 6 is a schematic view of a mesh plate;
FIG. 7 is a schematic view of an opening and closing net plate;
FIG. 8 is a schematic view of the door locking mechanism in the locked operative position;
FIG. 9 is a schematic view of the door locking mechanism in the release operating position;
FIG. 10 is an exploded view of the door locking mechanism;
figure 11 is an exploded view of another angle of the door locking mechanism.
The figures are numbered:
1. a cylindrical body; 2. an end plate; 3. a screen plate; 4. a first side; 5. a second edge; 6. a connecting rod; 7. a fastener; 8. a first limit structure; 9. a second limit structure; 10. opening and closing the screen plate; 11. a limiting groove; 12. a door locking mechanism; 13. a drive tooth; 14. a circular hole; 15. a fixing plate; 16. a hasp; 17. a through hole; 18. a mating side; 19. positioning the surface; 20. a wrench; 21. a locking surface; 22. a first portion; 23. a second portion; 24. a guide portion; 25. a limit baffle; 26. a connecting bolt; 27. a threaded hole; 28. a countersunk hole; 29. a bending section; 30. a first arc-shaped surface; 31. a second arc-shaped surface.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7, a mesh surface roller for electroplating comprises two end plates 2 arranged at intervals and a plurality of mesh plates 3 arranged between the two end plates 2, wherein each mesh plate 3 is sequentially connected to form a cylindrical body 1, each mesh plate 3 is provided with a corresponding first side 4 and a corresponding second side 5, two ends of each first side 4 are provided with connecting rods 6 penetrating through the corresponding end plate 2, each connecting rod 6 is connected with the corresponding end plate 2 through a fastener 7, each first side 4 is further provided with a first limiting structure 8, each second side 5 is provided with a second limiting structure 9, and the first limiting structures 8 or the second limiting structures 9 are positioned on the inner side of the cylindrical body 1 to form a convex edge structure; in the two connected net plates 3, a second limiting structure 9 of the second edge 5 of one net plate 3 is matched with a first limiting structure 8 of the first edge 4 of the other net plate 3; one screen plate is an opening and closing screen plate 10, a second edge 5 of the opening and closing screen plate 10 is not provided with a second limiting structure 9, the opening and closing screen plate 10 can rotate around the axis of a connecting rod 6 of the opening and closing screen plate 10, the second edge 5 of the opening and closing screen plate 10 is matched with a first edge 4 of an adjacent screen plate 3, and the second edge 5 of the opening and closing screen plate 10 has an opening state and a closing state.
The first edge 4 of the net plate 3 can be limited between the two end plates 2 through the connecting rod 6 and the fastener 7, and the net plate 3 with the second limiting structure 9 can be limited through the matching of the first limiting mechanism and the second limiting structure 9; the mesh surface roller for electroplating adopts a non-welding connection mode, so that the processing and the installation are more convenient; first limit structure 8 or second limit structure 9 can form the bead structure in the inboard of tube-shape body 1, and for current inboard smooth structure, when the cylinder rotated, the material was difficult to the adhesion.
In this embodiment, the first limiting structure 8 is a first arc-shaped plate, a limiting groove 11 is formed between the first arc-shaped plate and the first edge 4, and the second limiting structure 9 is a second arc-shaped plate, and the second arc-shaped plate is used for being embedded into the corresponding limiting groove 11. This kind of structure makes during the assembly comparatively convenient, just can imbed the second arc in the spacing groove 11 through rotating.
In the present embodiment, the mesh plate 3 has a plurality of mesh holes; the opening and closing net plate 10 has one piece.
In the present embodiment, the connecting rod 6 has an external thread, and the fastening member 7 is a nut. In other embodiments, the end surface of the connecting rod 6 has a threaded hole and the fastener 7 is a bolt.
In this embodiment, at least one of the end plates 2 has drive teeth 13 on the outside. The driving teeth 13 facilitate the matching of the roller and an external mechanism, and the roller is driven by a gear of the external mechanism to rotate. In practice, the end plate 2 has a circular hole 14 in the center, and the circular hole 14 is used for the main shaft of the roller to pass through.
In this embodiment, the second edge 5 of the opening and closing net plate 10 has a first arc-shaped surface 30, the net plate 3 adjacent to the second edge 5 of the opening and closing net plate 10 has a second arc-shaped surface 31 adapted to the first arc-shaped surface 30, one of the first arc-shaped surface 30 and the second arc-shaped surface 31 is a concave surface, and the other is a convex surface.
The first arc-shaped surface 30 and the second arc-shaped surface 31 which are matched with each other are arranged, so that when the opening and closing screen plate 10 is closed, the gap is small, and materials are not easy to block.
In practical use, the locking mechanism is further included and is used for locking or unlocking the second edge 5 of the opening and closing net plate 10. The locking mechanism can adopt any existing locking structure, and aims to limit the second edge 5 of the opening and closing screen plate 10, so that materials are prevented from falling out through the opening and closing screen plate 10. For example, the locking mechanism is a screw; for example, the locking mechanism is a bolt, and a bolt hole is arranged on the second edge 5 of the opening and closing screen plate 10; for example, the locking mechanism is an elastic rope, one end of the elastic rope is connected with the second edge 5 of the opening and closing net plate 10, and the other end of the elastic rope is connected with the first edge 4 of the adjacent net plate 3.
As shown in fig. 1 to 3 and 8 to 11, the door locking mechanism 12 of the present embodiment includes:
a fixing plate 15 fixed on the net plate 3 adjacent to the second edge 5 of the opening and closing net plate 10;
a buckle 16 rotatably mounted on the fixing plate 15 via a rotating shaft (not shown in the figures, in actual use, the rotating shaft may be a bolt or a screw, etc.), the buckle 16 is used for matching with the second side 5 of the opening and closing screen plate 10, the middle part of the buckle 16 is provided with a through hole 17, one side of the buckle 16 facing away from the cylindrical body 1 is a matching side 18, and the matching side 18 is provided with positioning surfaces 19 at two sides of the through hole 17;
the wrench 20 is rotatably installed on the fixing plate 15, the rotating axis of the wrench 20 penetrates through the through hole 17, the wrench 20 is provided with two locking surfaces 21, the two locking surfaces 21 are correspondingly matched with the two positioning surfaces 19 one by one, the wrench 20 is provided with two rotating positions which are respectively a locking working position and a releasing working position, when the locking working positions are locked, the locking surfaces 21 are matched with the positioning surfaces 19, the hasps 16 can be driven to rotate towards one side close to the cylindrical body 1 through the locking surfaces 21, and the second sides 5 of the opening and closing net plate 10 are pressed tightly; when the working position is released, the wrench 20 corresponds to the through hole 17, the wrench 20 does not interfere with the through hole 17, the hasp 16 can rotate to one side far away from the cylindrical body 1, and the second side 5 of the opening and closing net plate 10 is not pressed any more.
The door locking mechanism 12 of the application has better reliability for long-term use and more convenient operation compared with a sex rope structure. The middle portion as referred to in this application is not limited to the middle. In practice, the positioning surface 19 may be formed by a bump, that is, the through hole 17 has bumps on both sides, and the positioning surface 19 is formed on the surface of the bump.
As shown in FIGS. 8-11, in the present embodiment, the two positioning surfaces 19 are uniformly distributed around the rotation axis of the wrench 20; the positioning surface 19 comprises a first part 22 and a second part 23 which are connected with each other, when the wrench 20 is switched from the release working position to the locking working position, the locking surface 21 is firstly matched with the first part 22 and is finally positioned on the second part 23; the first portion 22 is a gradually curved surface, or the first portion 22 is an inclined surface that is obliquely disposed with respect to the second portion 23.
The locking surface 21 is firstly matched with the first part 22, the first part 22 is a curved surface or an inclined surface, the hasp 16 can be gradually pressed when the wrench 20 is rotated, and finally the locking surface 21 and the second part 23 are mutually attached and positioned; the locking surface 21 and the second part 23 are in surface fit, have larger static friction force and can be effectively positioned.
As shown in fig. 10, in the present embodiment, the end of the locking surface 21 has a recessed guiding portion 24, and when the wrench 20 is switched from the release position to the locking position, the guiding portion 24 of the locking surface 21 is engaged with the first portion 22 first.
In the present embodiment, the guide portion 24 is a curved surface or an inclined surface. The guide portion 24 facilitates reliable engagement of the wrench 20 when switching from the release position to the locking position.
As shown in fig. 8, 9 and 10, in the present embodiment, the engagement side 18 has a limit stop 25, the limit stop 25 is located on a side of the second portion 23 away from the first portion 22, and the limit stop is used for engaging with the wrench 20 to limit the rotation angle of the wrench 20.
As shown in fig. 10 and 11, in the present embodiment, a connecting bolt 26 rotatably disposed on the base is further included, and the connecting bolt 26 is threadedly connected to the wrench 20.
As shown in fig. 10 and 11, in the present embodiment, the wrench 20 has a threaded hole 27 at the end, and the bottom of the base has a counter bore 28, the counter bore 28 corresponds to the through hole 17, and the connecting bolt 26 passes through the counter bore 28 and then connects with the threaded hole 27 of the wrench 20.
As shown in fig. 8 to 11, in the present embodiment, an end of the buckle 16 away from the rotation shaft has a bent portion 29, and the bent portion 29 is used for cooperating with the second side 5 of the foldable screen 10.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.
Claims (10)
1. A mesh surface roller for electroplating is characterized by comprising two end plates arranged at intervals and a plurality of mesh plates arranged between the two end plates, wherein each mesh plate is sequentially connected to form a cylindrical body, each mesh plate is provided with a corresponding first edge and a corresponding second edge, two ends of each first edge are provided with connecting rods penetrating through the corresponding end plates, the connecting rods are connected with the corresponding end plates through fasteners, each first edge is also provided with a first limiting structure, each second edge is provided with a second limiting structure, and the first limiting structures or the second limiting structures are positioned on the inner side of the cylindrical body to form a convex edge structure; in the two connected net plates, the second limiting structure on the second edge of one net plate is matched with the first limiting structure on the first edge of the other net plate; at least one screen plate is an opening and closing screen plate, the second edge of the opening and closing screen plate is not provided with the second limiting structure, the opening and closing screen plate can rotate around the axis of a connecting rod of the opening and closing screen plate, the second edge of the opening and closing screen plate is matched with the first edge of the adjacent screen plate, and the second edge of the opening and closing screen plate is in an opening state and a closing state;
still including the mechanism of locking a door that is used for locking or unblock second limit of opening and shutting otter board, the mechanism of locking a door includes:
the fixing plate is fixed on the screen plate adjacent to the second edge of the opening and closing screen plate;
the hasp is rotatably arranged on the fixing plate through a rotating shaft and is used for being matched with the second edge of the opening and closing screen plate, a through hole is formed in the middle of the hasp, one side of the hasp, which is back to the cylindrical body, is a matching side, and positioning surfaces are arranged on two sides of the through hole on the matching side;
the wrench is rotatably mounted on the fixing plate, a rotating axis of the wrench penetrates through the through hole, the wrench is provided with two locking surfaces, the two locking surfaces are matched with the two positioning surfaces in a one-to-one correspondence manner, the wrench is provided with two rotating positions which are respectively a locking working position and a releasing working position, when the working positions are locked, the locking surfaces are matched with the positioning surfaces, the hasp can be driven to rotate towards one side close to the cylindrical body through the locking surfaces, and the second side of the opening and closing screen plate is pressed tightly; when the working position is released, the wrench corresponds to the through hole, the wrench does not interfere with the through hole, the hasp can rotate towards one side far away from the cylindrical body, and the second edge of the opening and closing screen plate is not pressed.
2. The mesh surface roller for electroplating according to claim 1, wherein the first limiting structure is a first arc-shaped plate, a limiting groove is formed between the first arc-shaped plate and the first edge, and the second limiting structure is a second arc-shaped plate, and the second arc-shaped plate is embedded into the corresponding limiting groove.
3. A screen-side drum for plating according to claim 1, wherein said screen plate has a plurality of mesh holes; the opening and closing screen plate is provided with one piece.
4. A wire-side barrel for plating according to claim 1, wherein said tie bar has an external thread and said fastener is a nut; at least one of the end plates has drive teeth on the outside.
5. A wire-side cylinder for plating according to claim 1, wherein the two positioning surfaces are evenly distributed around the rotational axis of the wrench; the positioning surface comprises a first part and a second part which are connected with each other, and when the wrench is switched from a release working position to a locking working position, the locking surface is firstly matched with the first part and is finally positioned on the second part; the first part is a gradually-changed curved surface, or the first part is an inclined surface which is obliquely arranged relative to the second part.
6. A wire-side barrel for plating according to claim 5, wherein said locking surface has a recessed guide portion at an end thereof, and wherein said guide portion of said locking surface engages said first portion when said wrench is switched from said release position to said locking position.
7. A wire-side barrel for plating according to claim 6, wherein said guide portion is a curved surface or an inclined surface.
8. A mesh surface roller for plating according to claim 5, wherein said engagement side has a limit stop at a side of the second portion remote from the first portion, said limit stop being adapted to engage with a wrench to limit the rotation angle of the wrench.
9. The mesh surface roller for electroplating according to claim 1, further comprising a connecting bolt rotatably disposed on the base, wherein the wrench has a threaded hole at an end thereof, the base has a counter bore at a bottom thereof, the counter bore corresponds to the through hole, and the connecting bolt is connected to the threaded hole of the wrench after passing through the counter bore.
10. The mesh surface roller for electroplating according to claim 1, wherein one end of the hasp away from the rotating shaft is provided with a bent part, and the bent part is used for matching with the second edge of the opening and closing mesh plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011475140.6A CN112609233B (en) | 2020-12-14 | 2020-12-14 | Net surface roller for electroplating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011475140.6A CN112609233B (en) | 2020-12-14 | 2020-12-14 | Net surface roller for electroplating |
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| CN112609233A true CN112609233A (en) | 2021-04-06 |
| CN112609233B CN112609233B (en) | 2022-12-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638029A (en) * | 2021-07-13 | 2021-11-12 | 东风柳州汽车有限公司 | Fixed frock of plug-in and fixed structure of work piece |
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| CN102128422A (en) * | 2010-01-16 | 2011-07-20 | 富准精密工业(深圳)有限公司 | Hasp structure and lamp with same |
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| CN203904494U (en) * | 2014-06-16 | 2014-10-29 | 蔡贤昆 | Electroplating roller screen plate |
| CN205774892U (en) * | 2016-05-30 | 2016-12-07 | 东莞市菲益德自动化设备有限公司 | A kind of assembled electric plating cylinder |
| CN208380352U (en) * | 2018-06-07 | 2019-01-15 | 无锡市申锡船舶设备有限公司 | Ammunition box door plate buckle structure |
| CN209779033U (en) * | 2019-01-04 | 2019-12-13 | 固安科宇鑫鹏自动化控制设备有限公司 | Novel cylinder for barrel plating |
| CN211570821U (en) * | 2019-09-07 | 2020-09-25 | 无锡新亚康环保科技有限公司 | Roller for electroplating |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638029A (en) * | 2021-07-13 | 2021-11-12 | 东风柳州汽车有限公司 | Fixed frock of plug-in and fixed structure of work piece |
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