CN216738583U

CN216738583U - Anodic oxidation anchor clamps

Info

Publication number: CN216738583U
Application number: CN202220379688.9U
Authority: CN
Inventors: 莫恒; 莫凡
Original assignee: Guangdong Kejie Circuit Board Equipment Co ltd
Current assignee: Guangdong Kejie Circuit Board Equipment Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-06-14
Anticipated expiration: 2032-02-24

Abstract

The utility model provides an anodic oxidation clamp which comprises more than one clamp body, two guide rails and a driving chain wheel, wherein the guide rails and the driving chain wheel are arranged up and down correspondingly; a fixed plate is fixedly arranged on a chain link on the chain, the chain is fixedly connected with the middle position of the clamp body through the fixed plate, the chain is positioned between the two guide rails, and the clamp is driven to slide along the guide rails through the driving chain; the clamp body comprises a mounting plate, guide wheels arranged corresponding to the two guide rails and a clamping part for clamping a workpiece; the guide wheel is arranged on one side of the mounting plate, and the clamping part is arranged at one end of the mounting plate; the utility model has the advantages of difficult deformation and convenient maintenance.

Description

Anodic oxidation anchor clamps

Technical Field

The utility model relates to the technical field of electroplating, in particular to an anodic oxidation clamp.

Background

Anodic oxidation refers to the electrochemical oxidation of metals or alloys, and the process of forming an oxide film on aluminum products (anodes) by aluminum and its alloys under the action of corresponding electrolyte and specific process conditions and the action of applied current. Anodization is generally referred to as sulfuric acid anodization if not specifically indicated.

In order to overcome the defects of the aluminum alloy in the aspects of surface hardness, wear resistance and the like, expand the application range and prolong the service life, a surface treatment technology is an indispensable ring in the use of the aluminum alloy, and an anodic oxidation technology is the most widely and successfully applied at present. In the anodic oxidation process of the aluminum product, how to fix the aluminum product by using the fixing device and drive the aluminum product to walk in sulfuric acid solution is critical, and the sulfuric acid is strong acid and has strong corrosivity, so that the safety of operators is ensured, and the fixing device is required to be simple, convenient, safe and stable to operate.

In order to solve the technical problems, a horizontal electroplating production line, a transmission system thereof and a horizontal clamping mechanism thereof are disclosed in a patent document published by Chinese patent No. 202022051785.9 with publication No. 2021.01.22, which relates to the electroplating field, and comprises an upper clamp and a lower clamp, wherein one end of the upper clamp and one end of the lower clamp both horizontally extend to form a clamping part, the upper clamp is vertically and slidably connected with the lower clamp, the upper clamp and the lower clamp are provided with a first elastic piece for connecting the upper clamp and the lower clamp, the first elastic piece drives the clamping parts of the upper clamp and the lower clamp to be close to each other, the lower clamp is connected with a locking piece for locking the upper clamp in a loosening state, the upper clamp and the lower clamp are simultaneously provided with horizontally extending clamping parts, and the first elastic piece drives the clamping parts to clamp one side of a horizontally conveyed circuit board, so that the circuit board can be always kept in a horizontal state in the conveying and electroplating processes, and the circuit board can be well kept in the horizontal conveying, the electroplating solution is convenient to convey, and the electroplating solution is sprayed from top to bottom in the electroplating process, so that the electroplating quality and effect in the hole of the circuit board can be well improved.

However, according to the technical solution disclosed in the above document, the guide rail and the chain of the clamping mechanism are disposed at the upper end of the upper clamp, and the chain of the clamping mechanism is located below the roller and the supporting wheel, and when the chain is pulled, the force exerted on the clamping mechanism by the chain is concentrated at the connection of the chain and the clamping mechanism, so that the upper end of the upper clamp and the connection of the chain and the upper clamp are deformed in the moving direction of the clamping mechanism relative to the lower end of the upper clamp when the clamping mechanism is used for a period of time.

Disclosure of Invention

The utility model provides an anodic oxidation clamp which is not easy to deform and convenient to maintain by utilizing the structure of the anodic oxidation clamp.

In order to achieve the purpose, the technical scheme of the utility model is as follows: an anodic oxidation clamp comprises more than one clamp body, two guide rails and a driving chain wheel, wherein the two guide rails are correspondingly arranged on the upper side and the lower side of the clamp body from top to bottom; the driving chain wheel comprises more than two chains which are correspondingly arranged up and down, the distance between the chains is d, and the distance L1 between the upper side chain and the upper side guide rail is equal to the distance L2 between the lower side chain and the lower side guide rail; the chain link on the chain is fixedly provided with a fixing plate, the chain is fixedly connected with the middle position of the clamp body through the fixing plate, the chain is located between the two guide rails, and the clamp is driven to slide along the guide rails through the driving chain.

The clamp body comprises a mounting plate, guide wheels arranged corresponding to the two guide rails and a clamping part for clamping a workpiece; the guide pulley is installed in one side of mounting panel, and the clamping part is installed in the one end of mounting panel, and the guide pulley sets up respectively in the guide rail keep away from one side of chain.

According to the arrangement, the chain is arranged between the two guide rails and is fixedly connected with the clamp body, when the chain is driven, the chain pulls the clamp body to slide on the two guide rails, and the guide wheel on the clamp body slides along the guide rails; the chain is fixedly connected to the middle position of the clamp body, so that the chain pulls the clamp body to be uniformly stressed, and meanwhile, the two guide rails are respectively arranged on the upper side and the lower side of the clamp body, so that the reaction force of the guide rails on the clamp body is dispersed on the upper side and the lower side of the clamp body when the clamp body slides along the guide rails through the guide wheels, and thus, the clamp body sequentially forms four stress points of the reaction force generated by the upper guide rails on the guide wheels and the reaction force generated by the upper chain, the lower chain and the lower guide rails on the guide wheels from top to bottom; therefore, after the clamp body is used for a long time, the condition that the upper end of the clamp body is deformed relative to the lower end of the clamp body in the motion direction is not easy to occur; in addition, the clamp body is simple in structure and convenient to maintain.

Furthermore, the clamping part comprises a movable part, a fixed part, a guide part, an elastic part, an opening and closing guide rod and an opening and closing guide rail arranged on one side of the clamp body; one side of the fixed part is fixedly connected with the mounting plate, one end of the guide piece is fixedly mounted on the movable part, a guide sliding groove is formed in the fixed part corresponding to the guide piece, and the other end of the guide piece penetrates through the guide sliding groove; one end of the elastic piece is fixedly arranged on the mounting plate, and the other end of the elastic piece is fixedly connected with the movable part; the opening and closing guide rod is fixedly arranged on one side of the movable part and is abutted to the opening and closing guide rail.

The opening and closing guide rail is arranged in parallel corresponding to the guide rail and is positioned on one side of the guide rail, the opening and closing guide rail comprises a horizontal part and a feeding part, the horizontal part of the opening and closing guide rail is horizontally arranged, and two ends of the feeding part are obliquely extended from the horizontal part of the opening and closing guide rail to the middle position of the feeding part; when the clamp body moves to the feeding part of the opening and closing guide rail under the driving of the chain, the guide part is abutted against the feeding part of the opening and closing guide rail to drive the movable part to gradually rise, and the elastic part is in a compressed state to enable the movable part to be far away from the fixed part and open the clamp body; above setting, when the anchor clamps body passes through the feed portion, the guide slides along with the feed portion to the direction of keeping away from the fixed part, and then drives the movable part and keeps away from the fixed part for the clamping part is in the open mode, sets up work piece charging equipment in one side of feed portion, and when the anchor clamps body passes through the feed portion, the anchor clamps body is in the open mode, and then can the centre gripping work piece.

Furthermore, the clamping part also comprises clamping fingers for clamping the workpiece, and the clamping fingers are respectively and correspondingly arranged on one sides of the movable part and the fixed part.

Furthermore, the number of the chains is two, the two chains are fixedly connected with each other, and the fixing plates on the two chains are respectively and fixedly connected to the clamp body relatively; like this, can adopt the existing double-chain of reciprocal anchorage in market, the direct mount is on the mounting panel to reduce the assembly process, improved assembly efficiency.

Furthermore, the number of the chains is two, the two chains are arranged at intervals, and the fixing plates connected with the chains are relatively and fixedly connected to the clamp body; thus, when the driving mechanism drives the chain, the force exerted on the mounting plate by the chain is more uniform, and the clamp body is not easy to deform.

Furthermore, the guide wheel is a limiting guide wheel, and the section of the guide wheel is I-shaped; like this, when the guide pulley rolls on the guide rail, can carry out spacingly, stability when guaranteeing the anchor clamps body slip.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of embodiment 1 of the present invention with the clamping portion in an open state.

FIG. 3 is a schematic cross-sectional view of the holder according to embodiment 1 of the present invention.

FIG. 4 is a schematic structural view of embodiment 2 of the present invention.

Fig. 5 is a schematic view of the position relationship among the clamp body, the opening and closing guide rail and the guide rail in the present invention.

Reference numerals: 1. a clamp body; 11. mounting a plate; 12. a guide wheel; 131. a movable portion; 1311. a guide chute; 132. a fixed part; 133. a guide member; 1351. a spring; 1352. a movable guide rod; 136. clamping fingers; 141. opening and closing the guide rail; 1411. a horizontal portion; 1412. a feeding section; 142. opening and closing the guide rod; 15. a limiting member; 2. a guide rail; 3. a chain; 31. a fixing plate; 4. a copper plate; 5. a carbon brush; 6. a connecting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example 1.

As shown in fig. 1-3 and 5, an anodizing jig comprises more than one jig body 1, two guide rails 2, a driving sprocket and a driving mechanism (not shown in the figure) for driving a chain 3 to rotate, wherein the two guide rails 2 are correspondingly arranged at the upper and lower sides of the jig body 1; the driving chain wheel comprises two chains 3 and a chain wheel (not shown in the figure), the two chains 3 are arranged up and down correspondingly, and a driving mechanism (not shown in the figure) drives the two chains 3 to synchronously rotate through the driving chain wheel (not shown in the figure); the distance between the chains 3 is d; the distance L1 between the upper chain 3 and the upper guide rail 2 is equal to the distance L2 between the lower chain 3 and the lower guide rail 2; a fixing plate 31 is fixedly arranged on a chain link of the chain 3, the chain 3 is fixedly connected with the clamp body 1 through the fixing plate 31, and the driving motor drives the clamp to slide along the guide rail 2 through the driving chain 3; the chain 3 is fixedly connected with the clamp body 1, and the clamp body 1 is arranged on the guide rail 2 in a sliding manner; the driving mechanism drives the chain 3 to rotate, and the clamp body 1 is driven to slide along the guide rail 2.

In this embodiment, the fixing plate 31 is in an "L" shape, one end of the fixing plate 31 is hinged or fixedly connected to the chain 3, and the other end of the fixing plate 31 is fixedly connected to the mounting plate 11.

In this embodiment, the driving mechanism is a motor and a driving sprocket; the guide rail 2 is an annular guide rail 2, so that the clamp can circularly slide on the guide rail 2; the guide wheel 12 is a limiting guide wheel 12, and the section of the guide wheel 12 is in an I shape; thus, when the guide wheel 12 rolls on the guide rail 2, the position can be limited, and the stability of the clamp body 1 during sliding can be ensured.

The clamp body 1 comprises a mounting plate 11, a guide wheel 12 arranged corresponding to the guide rail 2 and a clamping part for clamping a workpiece; the guide pulley 12 is installed at one side of the mounting plate 11, the clamping part is installed at one end of the mounting plate 11, and the guide pulleys 12 are respectively arranged at one side of the guide rail 2 far away from the chain 3.

In the arrangement, the chain 3 is arranged between the two guide rails 2 and fixedly connected with the clamp body 1, when the chain 3 is driven, the chain 3 pulls the clamp body 1 to slide on the two guide rails 2, and the guide wheel 12 on the clamp body 1 slides along the guide rails 2; because the chain 3 is fixedly connected to the middle position of the clamp body 1, the chain 3 pulls the clamp body 1 to be stressed uniformly, and meanwhile, because the two guide rails 2 are respectively arranged at the upper side and the lower side of the clamp body 1, when the clamp body 1 slides along the guide rails 2 through the guide wheels 12, the reaction force of the guide rails 2 to the clamp body 1 is dispersed at the upper side and the lower side of the clamp body 1, so that the clamp body 1 sequentially forms four stress points of the reaction force of the upper guide rail 2 to the guide wheels 12, the reaction force of the upper chain 3, the lower chain 3 and the lower guide rail 2 to the guide wheels 12 from top to bottom; therefore, after the clamp body 1 is used for a long time, the condition that the upper end of the clamp body 1 is deformed relative to the lower end of the clamp body in the motion direction is not easy to occur; in addition, the clamp body is simple in structure and convenient to maintain.

The clamping part includes a movable part 131, a fixing part 132, a guide 133, an opening and closing guide 142, an elastic member, a clamping finger 136, and an opening and closing guide 141 provided at one side of the clamp body 1.

One side of the fixing part 132 is fixedly connected with the mounting plate 11, one end of the guiding element 133 is fixedly mounted on the movable part 131, a guiding chute 1311 is arranged on the fixing part 132 corresponding to the guiding element 133, and the other end of the guiding element 133 passes through the guiding chute 1311; one end of the elastic element is fixedly arranged on the mounting plate 11, and the other end of the elastic element is fixedly connected with the movable part 131; the clamping fingers 136 are correspondingly arranged on one sides of the movable part 131 and the fixed part 132 respectively; the opening/closing guide 142 is fixedly installed at one side of the movable portion 131 and abuts against the opening/closing guide 141.

The opening and closing guide rail 141 is arranged in parallel corresponding to the guide rail 2 and is positioned on one side of the guide rail 2, the opening and closing guide rail 141 comprises a horizontal part 1411 and a feeding part 1412, the horizontal part 1411 is horizontally arranged, the middle position of the feeding part 1412 is horizontally arranged, and two ends of the feeding part 1412 are obliquely extended from the horizontal part 1411 of the opening and closing guide rail 141 to the middle position of the feeding part 1412; when the clamp body 1 moves to the feeding portion 1412 of the opening and closing guide rail 141 under the driving of the chain 3, the guide 133 abuts against the feeding portion 1412 of the opening and closing guide rail 141 to drive the movable portion 131 to gradually rise, and the elastic member is in a compressed state, so that the movable portion 131 is far away from the fixed portion 132 to open the clamp body 1. In this embodiment, the middle position of the feeding part 1412 is horizontally disposed, so that when the guide 133 is moved to the middle position of the feeding part 1412, the distance between the movable part 131 and the fixed part 132 is maximized, thereby facilitating the clamping of the workpiece.

The elastic part comprises a spring 1351 and a movable guide rod 1352, a limiting part 15 for mounting the elastic part is fixedly arranged on the mounting plate 11, and a through hole is formed in the limiting part 15 corresponding to the movable guide rod 1352; one end of the movable guide rod 1352 is fixedly connected to the movable portion 131, the other end of the movable guide rod 1352 passes through the through hole of the limiting member 15, and a limiting protrusion for limiting the movable guide rod 1352 to be separated from the through hole is arranged on the end of the movable guide rod 1352, and the diameter of the limiting protrusion is larger than the radius of the through hole.

With the above arrangement, when the fixture body 1 passes through the feeding portion 1412, the guide 133 slides along with the feeding portion 1412 in the direction away from the fixing portion 132, so as to drive the movable portion 131 to be away from the fixing portion 132, so that the clamping portion is in an open state, the workpiece feeding device is arranged on one side of the feeding portion 1412, and when the fixture body 1 passes through the feeding portion 1412, the fixture body 1 is in the open state, so as to clamp a workpiece.

In the embodiment, the upper end of the mounting plate 11 is further provided with a connecting plate 6 and a carbon brush 5, and one side of the guide rail 2 is further provided with a copper plate 4 for conducting electricity; one end of the connecting plate 6 is fixedly connected with the mounting plate 11, the other end of the connecting plate 6 is fixedly connected with the carbon brush 5, the carbon brush 5 is abutted against the copper plate 4, and when electroplating operation is performed, current sequentially enters the clamp body 1 from the copper plate 4, the carbon brush 5 and the connecting plate 6, which is the prior art and is not described herein again.

In this embodiment, the distance d =0 between the chains, and the two chains 3 are fixedly connected to each other, and the fixing plates 31 on the two chains 3 are respectively and fixedly connected to the fixture body 1; in this way, the double chains 3 which are fixed with each other in the market can be directly arranged on the mounting plate 11, thereby reducing the assembly processes and improving the assembly efficiency.

Example 2.

As shown in fig. 4, the present embodiment is different from embodiment 1 in that: the distance d between the chains is more than 0, and the fixing plates 31 on the two chains 3 are relatively and fixedly connected to the clamp body 1; thus, when the driving mechanism drives the chain 3, the force exerted on the mounting plate 11 by the chain 3 is more uniform, and the clamp body 1 is not easy to deform.

Claims

1. An anodic oxidation anchor clamps which characterized in that: the clamp comprises more than one clamp body, two guide rails and a driving chain wheel, wherein the two guide rails are correspondingly arranged on the upper side and the lower side of the clamp body up and down; the driving chain wheel comprises more than two chains which are correspondingly arranged up and down, the distance between the chains is d, and the distance L1 between the upper side chain and the upper side guide rail is equal to the distance L2 between the lower side chain and the lower side guide rail; a fixed plate is fixedly arranged on a chain link on the chain, the chain is fixedly connected with the middle position of the clamp body through the fixed plate, the chain is positioned between the two guide rails, and the clamp is driven to slide along the guide rails through the driving chain;

2. The anodizing jig of claim 1, wherein: the clamping part comprises a movable part, a fixed part, a guide part, an elastic part, an opening and closing guide rod and an opening and closing guide rail arranged on one side of the clamp body; one side of the fixed part is fixedly connected with the mounting plate, one end of the guide piece is fixedly mounted on the movable part, a guide sliding groove is formed in the fixed part corresponding to the guide piece, and the other end of the guide piece penetrates through the guide sliding groove; one end of the elastic piece is fixedly arranged on the mounting plate, and the other end of the elastic piece is fixedly connected with the movable part; the opening and closing guide rod is fixedly arranged on one side of the movable part and is abutted to the opening and closing guide rail.

3. An anodizing jig according to claim 2, wherein: the opening and closing guide rail is arranged in parallel corresponding to the guide rail and is positioned on one side of the guide rail, the opening and closing guide rail comprises a horizontal part and a feeding part, the horizontal part of the opening and closing guide rail is horizontally arranged, and two ends of the feeding part are obliquely extended from the horizontal part of the opening and closing guide rail to the middle position of the feeding part; when the anchor clamps body moved to the feeding portion of the guide rail that opens and shuts under the drive of chain, the guide and the feeding portion butt of the guide rail that opens and shuts drive the movable part and rise gradually, and the elastic component is in compression state for the fixed part is kept away from to the movable part, opens the anchor clamps body.

4. An anodizing jig according to claim 2, wherein: the clamping part further comprises clamping fingers for clamping the workpiece, and the clamping fingers are correspondingly arranged on one sides of the movable part and the fixed part respectively.

5. The anodizing jig of claim 1, wherein: distance d =0 between the chain, and mutual fixed connection between two chains, fixed plate on two chains is fixed connection on the anchor clamps body relatively respectively.

6. The anodizing jig of claim 1, wherein: the distance d between the chains is greater than 0, and the fixing plates connected with the chains are fixedly connected to the clamp body relatively.

7. The anodizing jig of claim 1, wherein: the guide wheel is a limiting guide wheel, and the cross section of the guide wheel is I-shaped.