TWI571538B - Electroplating fixture conductive device - Google Patents

Description

Electroplating fixture conductive device

The present invention relates to a conductive device, and more particularly to a plating fixture conductive device that can stabilize the current to which the jaws of the clamp are shunted during the plating operation, thereby improving the efficiency of plating productivity.

A typical circuit board plating apparatus generally includes a jig 1 provided with jaws for holding a workpiece to be processed, and current distribution on the jaws is realized by a conductive plate 6. A conductive seat 5 is mounted on the conventional conductive plate 6, as shown in FIG. 1-3, the conduction of the jaws is conducted by the conductive seat 5, and the conductive seat is electrically conductive by contacting the anode-powered copper plate 4 through the entire surface. Since the effective conductive contact surface is only point contact or line contact during the actual transmission process, even because the clamp body does not smoothly float during the moving process, the power is disconnected, which may cause the currents shunted by the jaws to be inconsistent, thereby affecting the plating circuit board. The quality of the product is difficult to increase due to the limited current flow.

In view of this, there is an urgent need in the industry for a plating fixture conductive device that can ensure the quality of an electroplated circuit board while improving the efficiency of plating productivity.

In order to solve the above-mentioned shortcomings in the prior art, it is an object of the present invention to provide a plating fixture conductive device that can divert the jaws of the clamp to the electricity during the plating operation. The flow is stable, improving the quality of the electroplated circuit board, and improving the plating capacity and work efficiency.

In order to achieve the above object, the technical solution adopted by the present invention is: a plating fixture conductive device mounted on a fixture for transmitting current to each jaw, the plating fixture conductive device comprising a conductive fixing plate and a plurality of movable conductive copper blocks, The movable conductive copper block is mounted on a lower end surface of the conductive fixing plate, and the movable conductive copper block is in a "└" shape, and includes a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion The joint is provided with a certain arc, the first joint is provided with a certain arc to ensure the movable range of the movable conductive copper block, and the second joint is provided with a certain arc to ensure the between the movable conductive copper block and the anode-powered copper plate. The upper end of the first connecting portion is fixedly connected to the lower end surface of the conductive fixing plate, and the end portion of the second connecting portion is connected to the lower end surface of the conductive fixing plate by a spring.

As one of the preferred embodiments of the present invention, a copper conductive sheet is further disposed between the movable conductive copper block and the upper end surface of the conductive fixing plate.

More preferably, the copper conductive sheet is disposed on one side of the movable conductive copper block and the conductive fixing plate.

Further, a lower end surface of the second connecting portion is in contact with a transmission portion in the plating fixture, and the transmission portion is in electrical communication with the clamping jaw.

Further, the movable conductive copper block has a one-to-one correspondence with the jaws in the clamp.

Preferably, the copper conductive sheet is connected with a wire, and is electrically connected to each of the clamps in the clamp for powering on.

Preferably, the movable conductive copper block is integrally formed.

More preferably, the movable conductive copper block and the conductive fixing plate are connected by a rotating shaft.

Compared with the prior art, the beneficial effects of the present invention are: The structure of the invention is simple and reasonable, and the movable conductive copper block is designed as a "└" shape, and a spring is arranged between the movable conductive copper block and the conductive fixed plate, and the contact surface of the movable conductive copper block and the anode power supply copper plate is ensured by the force of the spring. The stable contact overcomes the problem that the clamp body is powered off due to floating during the moving process, thereby ensuring the stability of the current on the jaws, improving the quality of the plated circuit board, and improving the plating capacity and working efficiency.

1‧‧‧ fixture

10‧‧‧Transport site

11‧‧‧ Guide rail

111‧‧‧ trench

1111‧‧‧ bottom wall

1112‧‧‧ side wall

1113‧‧‧ side wall

112‧‧‧Long slot

13‧‧‧ wheel body

14‧‧‧Axle

2‧‧‧claw

3‧‧‧ Conductive fixing plate

31‧‧‧ Slider

4‧‧‧Anode-powered copper plate

5‧‧‧Electric seat

6‧‧‧ Conductive plate

41‧‧‧Activity conductive copper block

42‧‧‧ Spring

43‧‧‧copper conductive sheet

44‧‧‧ copper wire

41a‧‧‧First connection

41b‧‧‧Second connection

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. 1 is a schematic view of the application structure of the prior art; FIG. 2 is a schematic structural view of a conductive plate in the prior art; FIG. 3 is a schematic structural view of a conductive seat in the prior art; FIG. 5 is a schematic view showing another structure of the electroplating fixture conductive device disclosed in the present invention; FIG. 6 is a schematic structural view of the conductive fixing plate and the movable conductive copper block; FIG. 7 is a schematic view showing the working state of the present invention when applied to the jig; FIG. 8 is a second schematic view showing the working state of the present invention when applied to a jig; and FIG. 9 is a third schematic view showing the working state of the present invention when applied to a jig.

The technical solutions in the embodiments will be specifically, clearly and completely described in the following with reference to the accompanying drawings in the embodiments.

As shown in FIG. 4-5, the electroplating fixture conductive device of the embodiment includes a conductive fixing plate 3 and a plurality of movable conductive copper blocks 41. The movable conductive copper block 41 is mounted on the guide. The lower end surface of the electric fixing plate 3, the movable conductive copper block 41 has a "└" shape, is integrally formed, and includes a first connecting portion 41a and a second connecting portion 41b, the first connecting portion 41a and the second connecting portion 41a The connecting portion 41b is provided with a certain arc, which is similar to the shape of a sled. The upper end of the first connecting portion 41a and the lower end surface of the conductive fixing plate 3 are fixedly connected by a rotating shaft, and the end of the second connecting portion 41b is The lower end surface of the conductive fixing plate 3 is connected by a spring 42. The lower end surface of the second connecting portion 41b is in contact with the transmission portion 10 in the plating jig 1, and the transmission portion 10 is in electrical communication with the clamping jaw 2, and the transmission The portion 10 includes a guide rail 11, an anode-powered copper plate 4, a plurality of wheel bodies 13 and a plurality of axles 14. The guide rail 11 is recessed with a groove 111. The bottom wall 1111 of the groove 111 is recessed adjacent to one of the side walls 1112. The other side wall 1113 of the trench 111 defines a plurality of through holes (not shown). The anode-powered copper plate 4 is inserted into the long slot 112 and extends upward through the slot 111. The wheel bodies 13 respectively define a shaft hole (not shown). The axles 14 are respectively disposed in the perforations and the shaft holes, so that The wheel body 13 is rotatably disposed in the groove 111. One side of the lower end surface of the conductive fixing plate 3 is integrally formed with a slider 31. The slider 31 is driven by the wheel body 13 to slide on the groove 111. The lower end surface of the second connecting portion 41b is in contact with the upper end surface of the anode power supply copper plate 4 and is slidable along the upper end surface of the anode power supply copper plate 4, and the movable conductive copper block 41 and the plurality of jaws 2 in the jig 1 One-to-one correspondence, that is, each movable conductive copper block 41 corresponds to one of the jaws 2 to ensure current stability.

A copper conductive sheet 43 is further disposed between the movable conductive copper block 41 and the upper end surface of the conductive fixing plate 3. The copper conductive sheet 43 is disposed on one side of the movable conductive copper block 41 and the conductive fixing plate 3, and the copper conductive wire 43 is connected with the copper wire 44, and each of the clamping jaws 2 in the clamp 1 is electrically connected. Connected to power on.

In the specific work, because the active conductive copper block is designed to be "└" shape, and the active conductive A spring is disposed between the copper block and the conductive fixing plate, and the contact between the bottom end surface of the second connecting portion of the movable conductive copper block and the contact surface is ensured by the force of the spring, thereby overcoming the floating of the clamp body during the moving process. The problem of power failure is to ensure the stability of the current on the jaws, improve the quality of the electroplated circuit board, and improve the plating capacity and work efficiency.

The above specific embodiments are merely illustrative of the technical concept and structural features of the present invention, and are intended to enable those skilled in the art to implement the present invention, but the above description does not limit the scope of the present invention, and is in accordance with the present invention. Any equivalent changes or modifications made by the spirit of the invention are intended to fall within the scope of the invention.

10‧‧‧Transport site

11‧‧‧ Guide rail

111‧‧‧ trench

1111‧‧‧ bottom wall

1112‧‧‧ side wall

1113‧‧‧ side wall

112‧‧‧Long slot

13‧‧‧ wheel body

3‧‧‧ Conductive fixing plate

31‧‧‧ Slider

4‧‧‧Anode-powered copper plate

41‧‧‧Activity conductive copper block

43‧‧‧copper conductive sheet

44‧‧‧ copper wire

Claims (6)

An electroplating fixture conductive device is mounted on the fixture for transmitting current to each of the jaws, wherein the electroplating fixture conductive device comprises a conductive fixing plate and a plurality of movable conductive copper blocks, wherein the movable conductive copper block is mounted on the a lower end surface of the conductive fixing plate, the movable conductive copper block has a "└" shape, and includes a first connecting portion and a second connecting portion, wherein the first connecting portion and the second connecting portion are connected with a certain curvature The upper end of the first connecting portion is fixedly connected to the lower end surface of the conductive fixing plate, and the end of the second connecting portion is connected to the lower end surface of the conductive fixing plate by a spring; wherein the second connection The lower end surface of the portion is in contact with the transmission portion of the plating fixture, and the transmission portion is in electrical communication with the clamping jaw; wherein the transmission portion comprises a guide rail, an anode-powered copper plate, a plurality of wheel bodies and a plurality of axles, and the top of the rail is concave a groove is formed, a bottom groove of the groove is recessed adjacent to one of the side walls, and the other side wall of the groove defines a plurality of perforations, and the anode-powered copper plate is inserted into the long groove and upward Extending through the groove, the wheel bodies respectively define a shaft hole, and the wheel shafts are respectively disposed in the holes and the shaft holes, so that the wheel bodies are rotatably disposed in the groove, the conductive fixing A slider is integrally formed on one side of the lower end surface of the plate, the slider is slidably disposed on the groove by the wheel body, and the lower end surface of the second connecting portion is in contact with the upper end surface of the anode power supply copper plate And sliding along the upper end surface of the anode-powered copper plate; wherein the movable conductive copper block has a one-to-one correspondence with the plurality of jaws in the fixture. The electroplating jig conductive device according to claim 1, wherein the activity guide A copper conductive sheet is further disposed between the electric copper block and the upper end surface of the conductive fixing plate. The electroplating jig conductive device according to claim 2, wherein the copper conductive sheet is disposed on one side of the movable conductive copper block and the conductive fixing plate. The electroplating jig conductive device according to claim 3, wherein the copper conductive sheet is connected with a wire electrically connected to each of the clamps for powering on. The electroplating jig conductive device according to claim 1, wherein the movable conductive copper block is integrally formed. The electroplating jig conductive device according to claim 5, wherein the movable conductive copper block and the conductive fixing plate are connected by a rotating shaft.