CN217839187U - Cathode tool and brush plating device - Google Patents

Abstract

The utility model relates to a cathode frock and brush plating device, it has solved the current cathode device structure complicated to using in the brush plating technology of pipe fitting, the inconvenient technical problem of operation, it includes insulating bottom plate, first gyro wheel support, the second gyro wheel support, left side supporting roller one, left side supporting roller two, right side supporting roller one, right side supporting roller two, the copper is led electrical drainage, the carbon brush support, the sleeve, a spring, carbon brush and wire, first gyro wheel support, the second gyro wheel support respectively with insulating bottom plate fixed connection, left side supporting roller one, left side supporting roller two rotates with the top of first gyro wheel support respectively and is connected, right side supporting roller one and right supporting roller two rotate with second gyro wheel support respectively and are connected, copper is led electrical drainage and insulating bottom plate fixed connection, carbon brush support and insulating bottom plate fixed connection, sleeve and carbon brush support fixed connection, spring and carbon brush are placed in the sleeve, the carbon brush is located the top of spring. The utility model is suitable for a brush plating technology.

Description

Cathode tool and brush plating device

Technical Field

The utility model relates to an electroplate technical field, particularly, relate to a negative pole frock and brush plating device.

Background

Brush plating is also called coating plating or slotless electroplating, the basic process of brush plating is to use an anode wrapped with a sheath to dip special plating solution to be attached to the plated part of a workpiece (cathode) and to make relative movement to form a plating layer, and the brush plating technology has simple process and flexible operation.

However, when the pipe fitting is subjected to brush plating, the corresponding cathode device has the technical defects of complex structure and inconvenient operation.

Disclosure of Invention

The utility model discloses a solve the current negative pole device structure that uses in the brush plating technology to the pipe fitting complicated, the inconvenient technical problem of operation, provide a structure simply, convenient operation's negative pole frock and brush plating device.

The utility model provides a cathode tool, including insulating bottom plate, first gyro wheel support, second gyro wheel support, left side support roller one, left side support roller two, right side support roller one, right side support roller two, copper leads electrical drainage, carbon brush support, the sleeve, a spring, carbon brush and wire, first gyro wheel support and insulating bottom plate fixed connection, second gyro wheel support and insulating bottom plate fixed connection, left side support roller one, left side support roller two are respectively with the top of first gyro wheel support and rotate and be connected, left side support roller one and left side support roller two are arranged side by side, right side support roller one and right side support roller two are respectively with second gyro wheel support and rotate and be connected, right side support roller one and right side support roller two are arranged side by side, copper leads electrical drainage and insulating bottom plate fixed connection, carbon brush support is located between first gyro wheel support and the second gyro wheel support, sleeve and carbon brush support fixed connection; the upper end of the sleeve is opened, the lower end of the sleeve is closed, the spring is placed in the sleeve, the carbon brush is placed in the sleeve and located above the spring, the bottom of the carbon brush is in contact with the top of the spring, a gap is formed between the carbon brush and the inner wall of the sleeve, and the top of the carbon brush extends out of the upper end opening of the sleeve; one end of the wire is connected with the copper conducting bar, and the other end of the wire penetrates through the lower end of the sleeve and then enters the sleeve and is connected with the carbon brush.

Preferably, the number of the carbon brush assemblies composed of the sleeve, the spring, the carbon brush and the wire is more than two.

The utility model also provides a brush plating device, which comprises a direct current power supply, a cathode tool, an anode and a water-absorbing sponge, wherein the anode is wrapped by the water-absorbing sponge, and the outer layer of the water-absorbing sponge is sleeved with flannelette;

the cathode tool comprises an insulating base plate, a first roller support, a second roller support, a first left support roller, a second left support roller, a first right support roller, a second right support roller, a copper conductive bar, a carbon brush support, a sleeve, a spring, a carbon brush and a wire, wherein the first roller support is fixedly connected with the insulating base plate, the second roller support is fixedly connected with the insulating base plate, the first left support roller and the second left support roller are respectively and rotatably connected with the top of the first roller support, the first left support roller and the second left support roller are arranged side by side, the first right support roller and the second right support roller are respectively and rotatably connected with the second roller support, the first right support roller and the second right support roller are arranged side by side, the copper conductive bar is fixedly connected with the insulating base plate, the carbon brush support is positioned between the first roller support and the second roller support, and the sleeve is fixedly connected with the carbon brush support; the upper end of the sleeve is opened, the lower end of the sleeve is closed, the spring is placed in the sleeve, the carbon brush is placed in the sleeve and located above the spring, the bottom of the carbon brush is in contact with the top of the spring, a gap is formed between the carbon brush and the inner wall of the sleeve, and the top of the carbon brush extends out of the upper end opening of the sleeve; one end of the wire is connected with the copper conducting bar, and the other end of the wire penetrates through the lower end of the sleeve and then enters the sleeve and is connected with the carbon brush;

the anode is connected with the anode of the direct current power supply through a wire, and the copper conducting bar is connected with the cathode of the direct current power supply through a wire.

Preferably, the anode is an iridium tantalum titanium anode rod or a high strength carbon rod.

The beneficial effects of the utility model are that: the structure is simple, the use is convenient, the manufacturing cost is low, the workpiece to be plated can be reliably in a conductive state all the time, the reliability of the brush plating process is ensured, and the plating quality is improved. The utility model discloses a cathode tooling is particularly useful for the less pipe fitting of size.

Drawings

FIG. 1 is a schematic structural view of a cathode assembly;

FIG. 2 is a right side view of the cathode assembly shown in FIG. 1;

fig. 3 is a schematic structural diagram of the cathode assembly shown in fig. 1 connected to a dc power supply.

The symbols in the drawings illustrate that:

1. the device comprises an insulating base plate, 2 parts of a first roller bracket, 3 parts of a second roller bracket, 4 parts of a left supporting roller I, 5 parts of a right supporting roller I, 6 parts of a right supporting roller II, 7 parts of a copper conductive bar, 8 parts of a carbon brush bracket, 9 parts of a sleeve, 10 parts of a screw, 11 parts of a spring, 12 parts of a carbon brush, 13 parts of a lead, 14 parts of a pipe to be plated, 15 parts of an iridium tantalum titanium anode rod, 16 parts of a water absorption sponge, 17 parts of flannelette and 18 parts of a direct current power supply.

Detailed Description

As shown in fig. 1 and 2, the cathode tooling includes an insulating bottom plate 1, a first roller support 2, a second roller support 3, a first left support roller 4, a second left support roller, a first right support roller 5, a second right support roller 6, a copper conductive bar 7, a carbon brush support 8, a sleeve 9, a screw 10, a spring 11, a carbon brush 12 and a wire 13, wherein the insulating bottom plate 1 is made of an insulating material, the first roller support 2 is fixedly installed on the insulating bottom plate 1, the second roller support 3 is fixedly installed on the insulating bottom plate 1, the first left support roller 4 and the second left support roller are respectively rotatably connected with the top of the first roller support 2, the first left support roller 4 and the second left support roller are arranged side by side, the first right support roller 5 and the second right support roller 6 are respectively rotatably connected with the top of the second roller support 3, the first right support roller 5 and the second right support roller 6 are also arranged side by side, the copper conductive bar 7 is fixedly installed on the insulating bottom plate 1, the carbon brush support 8 is located between the first roller support 2 and the second roller support 3, the sleeve 9 is fixed on the sleeve 9 in an interference fit manner, the sleeve 11, and the sleeve 9 is also can be placed in a closed manner, and the sleeve 11, and the sleeve is placed at the lower end of the sleeve 9, and the sleeve 11, and the sleeve 9, and the sleeve 11. The carbon brush 12 is placed in the sleeve 9, the carbon brush 12 is positioned above the spring 11, the bottom of the carbon brush 12 is in contact with the top of the spring 11 (the spring 11 supports the carbon brush 12), a gap exists between the carbon brush 12 and the inner wall of the sleeve 9, the top of the carbon brush 12 extends upwards from the upper end opening of the sleeve 9, and the carbon brush 12 can slide up and down in the sleeve 9; the spring 11 is compressed when the carbon brush 12 is pressed down, and the carbon brush 12 moves downward. One end of the lead 13 is connected with the copper conducting bar 7, and the other end of the lead 13 penetrates through the lower end closed part of the sleeve 9, enters the sleeve 9 and is connected with the carbon brush 12.

Fig. 1 shows three carbon brush assemblies, each of which is composed of a carbon brush 12, a spring 11, a sleeve 9, and a conductor 13, and the three carbon brush assemblies have three carbon brushes 12 in total.

Referring to fig. 3, when the cathode tool is used in cooperation with an anode for brush plating, one end of the pipe to be plated 14 is placed between the first left support roller 4 and the second left support roller, and the other end of the pipe to be plated 14 is placed between the first right support roller 5 and the second right support roller 6 (in combination with the position shown in fig. 2), so that the pipe to be plated 14 is supported by the four support rollers, the pipe to be plated 14 presses down the three carbon brushes 12, the carbon brushes 12 displace downward for a certain distance, the springs 11 are compressed, and the tops of the carbon brushes 12 are in close contact with the outer wall of the pipe to be plated 14; then, the copper conducting bar 7 is connected with the negative electrode of the direct current power supply 18 through a wire, the positive electrode adopts an iridium tantalum titanium positive pole rod 15 (titanium pole with iridium tantalum coating), the iridium tantalum titanium positive pole rod 15 is connected with the positive electrode of the direct current power supply 18 through one wire, the iridium tantalum titanium positive pole rod 15 is wrapped by a water absorption sponge 16, and then the outer layer of the water absorption sponge 16 is sleeved with a lint 17; next, a part of the water absorbing sponge 16 and the lint 17 is saturated with the brush plating solution, then the part of the water absorbing sponge 16 and the lint 17 dipped with the brush plating solution is inserted into the central through hole of the pipe 14 to be plated, and the pipe 14 to be plated is rotated (the top of the carbon brush 12 is always reliably contacted with the outer wall of the pipe 14 to be plated under the elastic force of the spring 11 during the rotation of the pipe 14 to be plated by using the rotation driving device, so that the pipe 14 to be plated can be reliably and always in a conductive state), because the plating solution naturally flows downwards under the influence of gravity, the bottom position of the inner wall of the pipe 14 to be plated at the bottom of the water absorbing sponge has high plating efficiency, and the inner wall of the pipe 14 to be plated alternately appears at the bottom of the water absorbing sponge during the rotation of the pipe 14, so that the inner wall of the pipe 14 to be plated deposits a uniform plating layer at each position along the radial circumferential direction. When the plating solution in the water-absorbing sponge is consumed, the brush plating solution is required to be saturated again, and the brush plating action is repeated.

It should be noted that the outer wall of the pipe to be plated 14 may also be subjected to brush plating, so that the water-absorbing sponge 16 and the lint 17 saturated with the brush plating solution are partially attached to the outer wall of the pipe to be plated 14, and the outer wall of the pipe to be plated 14 can be plated when the pipe to be plated 14 rotates.

It should be noted that the iridium tantalum anode rod 15 may be replaced with a high strength carbon rod.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, since various modifications and changes will be apparent to those skilled in the art.

Claims (4)

1. A cathode tool is characterized by comprising an insulating bottom plate, a first roller support, a second roller support, a first left supporting roller, a second left supporting roller, a first right supporting roller, a second copper conducting bar, a carbon brush support, a sleeve, a spring, a carbon brush and a wire, wherein the first roller support is fixedly connected with the insulating bottom plate, the second roller support is fixedly connected with the insulating bottom plate, the first left supporting roller and the second left supporting roller are respectively and rotatably connected with the top of the first roller support, the first left supporting roller and the second left supporting roller are arranged side by side, the first right supporting roller and the second right supporting roller are respectively and rotatably connected with the second roller support, the first right supporting roller and the second right supporting roller are arranged side by side, the copper conducting bar is fixedly connected with the insulating bottom plate, the carbon brush support is positioned between the first roller support and the second roller support, and the sleeve is fixedly connected with the carbon brush support; the carbon brush is arranged in the sleeve, the carbon brush is positioned above the spring, the bottom of the carbon brush is in contact with the top of the spring, a gap is formed between the carbon brush and the inner wall of the sleeve, and the top of the carbon brush extends upwards from the upper end opening of the sleeve; one end of the wire is connected with the copper conducting bar, and the other end of the wire penetrates through the lower end of the sleeve and then enters the sleeve and is connected with the carbon brush.

2. The cathode tooling of claim 1, wherein the number of the carbon brush assemblies consisting of the sleeve, the spring, the carbon brush and the wire is more than two.

3. A brush plating device is characterized by comprising a direct-current power supply, a cathode tool, an anode and a water-absorbing sponge, wherein the anode is wrapped by the water-absorbing sponge, and flannelette is sleeved on the outer layer of the water-absorbing sponge;

the cathode tool comprises an insulating bottom plate, a first roller support, a second roller support, a first left support roller, a second left support roller, a first right support roller, a second right support roller, a first copper conducting bar, a carbon brush support, a sleeve, a spring, a carbon brush and a wire, wherein the first roller support is fixedly connected with the insulating bottom plate, the second roller support is fixedly connected with the insulating bottom plate, the first left support roller and the second left support roller are respectively and rotatably connected with the top of the first roller support, the first left support roller and the second left support roller are arranged side by side, the first right support roller and the second right support roller are respectively and rotatably connected with the second roller support, the first right support roller and the second right support roller are arranged side by side, the copper conducting bar is fixedly connected with the insulating bottom plate, the carbon brush support is positioned between the first roller support and the second roller support, and the sleeve is fixedly connected with the carbon brush support; the carbon brush is arranged in the sleeve, the carbon brush is positioned above the spring, the bottom of the carbon brush is in contact with the top of the spring, a gap is formed between the carbon brush and the inner wall of the sleeve, and the top of the carbon brush extends upwards from the upper end opening of the sleeve; one end of the wire is connected with the copper conducting bar, and the other end of the wire penetrates through the lower end of the sleeve and then enters the sleeve and is connected with the carbon brush;

the anode is connected with the anode of the direct current power supply through a wire, and the copper conducting bar is connected with the cathode of the direct current power supply through a wire.

4. The brush plating apparatus as recited in claim 3, wherein the anode is an iridium tantalum titanium anode rod or a high strength carbon rod.

Images