CN218435990U - Plating solution sprays line - Google Patents

Abstract

The utility model discloses a plating solution spraying line, which comprises a spraying box and roller devices arranged at the upstream and the downstream of the spraying box; the spraying box comprises a spraying device, a box body and a plurality of pairs of anode plates which are arranged in the box body and connected with a power supply anode, wherein each pair of anode plates are opposite up and down, a spacing space for a strip to pass through is reserved between the anode plates which are opposite up and down, meanwhile, each pair of anode plates are horizontally arranged along the length direction of the box body, a gap for plating solution to pass through is reserved between the horizontally adjacent anode plates, and meanwhile, a liquid discharge port is formed in the bottom of the box body; the spraying device comprises a water distribution device arranged above the anode plate, a return pipe communicated with the water distribution device and a tank body liquid outlet, and a pump arranged on the return pipe. The utility model discloses in adopt horizontal structure, because the degree of depth of box becomes shallow, the path that the plating bath flows in the box is shorter, and the time of plating bath circulation in the plating bath is shorter, makes the plating bath can the rapid cycle make concentration more even.

Description

Plating solution sprays line

Technical Field

The utility model relates to an electroplate the production facility field, especially relate to a plating solution sprays line.

Background

The principle of electroplating is to use electrolysis to make a layer of metal film adhere to the surface of metal or other material product, so as to prevent metal oxidation. When electroplating, the workpiece needs to be in an electric field and fully contacted and reacted with the plating solution. In order to improve efficiency, strip-shaped workpieces such as steel strips need to be plated on a line. Chinese patent publication No. CN110552051A discloses a full-automatic electroplating assembly line for realizing an automatic electroplating process of a steel strip in 2019-12-10. The technique disclosed in this patent suffers from the following disadvantages: 1. the plating solution in the plating tank can not keep flowing in the long-term use process, so that concentration polarization is easy to cause to influence the plating effect; 2. the steel strip is contaminated by the plating solution in the running process and the plating solution is brought into other plating tanks to cause pollution.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a plating solution spraying line which has novel and reliable structure, can avoid the concentration polarization of the plating solution and improve the electroplating effect.

In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: a plating solution spraying line comprises a spraying box and roller wheel devices arranged at the upstream and the downstream of the spraying box; the spraying box comprises a spraying device, a box body and a plurality of pairs of anode plates which are arranged in the box body and connected with a power supply anode, wherein each pair of anode plates are opposite up and down, a spacing space for a strip to pass through is reserved between the anode plates which are opposite up and down, meanwhile, each pair of anode plates are horizontally arranged along the length direction of the box body, a gap for plating solution to pass through is reserved between the horizontally adjacent anode plates, and a liquid discharge port is formed in the bottom of the box body; the spraying device comprises a water distribution device arranged above the anode plate, a return pipe communicated with the water distribution device and a tank body liquid outlet, and a pump arranged on the return pipe.

The utility model has the advantages that: the utility model discloses a plating bath sprays line, its box adopt horizontal structure, and the band passes in the interval space between the internal anode plate of horizontal direction follow box promptly, because the two sides all is relative with the anode plate about the band, consequently can make the upper and lower both sides face homoenergetic of band take place the electroplating reaction uniformly, adds spray set in this embodiment in addition, promotes the plating bath and circulates about the flow, makes the concentration ability of plating bath evenly distributed in the box, prevents that plating bath concentration polarization in the box, further makes the electroplating effect more even. Simultaneously compare with vertical electroplating tank among the prior art, the utility model discloses in adopt horizontal structure, because the degree of depth of box becomes shallow, the plating bath is shorter in the route of box flow, and the time of plating bath circulation in the plating bath is shorter, makes the plating bath can the rapid cycle make concentration more even.

Preferably, the roller devices each include a conductive roller, a conductive roller driving motor for driving the conductive roller to rotate, a first guide roller arranged at the upstream of the conductive roller, a first guide roller driving motor for driving the first guide roller to rotate, a second guide roller arranged at the downstream of the conductive roller, and a second guide roller driving motor for driving the second guide roller to rotate, and the conductive roller is electrically connected with the power supply cathode. Because the conductive roller is connected with the power supply cathode, when the strip passes by the conductive roller, the strip is electrically connected with the conductive roller to finally communicate the strip with the power supply cathode, and the electroplating reaction occurs when the strip reaches between the anode plates. The first guide roller and the second guide roller can guide the belt to turn and drive the belt to run through the driving action of the first guide roller driving motor and the second guide roller driving motor, and in addition, the belt can form tension among the first guide roller, the second guide roller and the conductive roller through the rotating speed difference among the first guide roller driving motor, the second guide roller driving motor and the conductive roller driving motor, so that the belt is tightly attached to the surface of the conductive roller, and the belt can be electrically connected with the conductive roller.

Preferably, a pair of press rollers is further arranged between the conductive roller and the second guide roller, and the pair of press rollers respectively contact with the upper side and the lower side of the strip in a rolling manner and jointly press the strip. The plating solution remained on the surface of the strip can be squeezed to two sides from the surface of the strip by the compression roller, so that the strip is kept clean and the plating solution between the spraying boxes is prevented from being mixed.

Preferably, transition areas are formed at the front end and the rear end of the box body, the bottom plate of the box body bends and upwarps in the transition areas, and the tangent point between the first guide roller or the second guide roller and the strip is immersed in the transition areas.

Preferably, the conducting roller both ends are provided with and are used for rotating the bearing frame of being connected with the conducting roller, simultaneously the pivot tip cover of conducting roller is equipped with the copper sheathing, the copper sheathing is connected simultaneously with the roll surface electricity of conducting roller the copper sheathing still is provided with electrical connection component outward, electrical connection component is including the bearing seat and set up in the multiunit contact in the bearing seat outside, the contact is connected with power negative pole and is contradicted with the copper sheathing simultaneously. Through mutual interference of the copper sleeve and the contact, the electric connection between the conductive roller and the power supply cathode can be realized, and the conductive roller and the power supply cathode can still be electrically connected even in the rotating state of the conductive roller.

Preferably, the contact comprises a contact main body and a contact mounting bracket, the contact main body is abutted against the copper sleeve, the contact mounting bracket is provided with an adjusting groove extending along the radial direction of the conductive roller, and the contact mounting bracket is connected with the bearing seat through a screw penetrating through the adjusting groove. The contact can be adjusted along the radial direction of the conductive roller through adjustment, so that the contact can keep abutting against the copper sleeve.

Preferably, two sides of the box body are provided with upright posts for supporting the box body, and a cross beam is connected between the top ends of the upright posts at the two sides.

Preferably, the conductive roller has a height lower than the first guide roller and the second guide roller. The strip forms a V-shaped path among the conductive roller, the first guide roller and the second guide roller through the height difference among the conductive roller, the first guide roller and the second guide roller, and the contact area between the strip and the guide roller is increased.

Drawings

Fig. 1 is a side view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a side sectional view of the spray box of the present invention.

Fig. 4 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 2.

Fig. 5 is a side view of the roller device of the present invention.

Fig. 6 is a partially enlarged view of a region B in fig. 5.

Fig. 7 is a schematic view of the three-dimensional structure of the spraying box and the roller device of the present invention.

Fig. 8 is a partially enlarged view of the area C in fig. 7.

The device comprises a spraying box 1, a 111 water distribution device, a 112 return pipe 113, a pump 12, a box body 122, a transition region 123, a vertical column 124, a cross beam 13, an anode plate 13, a roller device 2, a conductive roller 21, a conductive roller driving motor 211, a bearing seat 212, a copper sleeve 213, an electric connection component 214, a contact main body 2141, a contact mounting support 2142, an adjusting groove 2143, a bearing seat 2144, a first guide roller 22, a first guide roller driving motor 221, a second guide roller 23, a second guide roller 231, a second guide roller driving motor and a pressing roller 24.

Detailed Description

The claimed technical solution of the present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 8, the plating solution spray line in the present embodiment includes two spray boxes 1 and three sets of roller devices 2 disposed upstream and downstream of the spray boxes 1.

In the present embodiment, each roller device 2 includes a conductive roller 21, a conductive roller driving motor 211 for driving the conductive roller 21 to rotate, a first guide roller 22 disposed upstream of the conductive roller 21, a first guide roller driving motor 221 for driving the first guide roller 22 to rotate, a second guide roller 23 disposed downstream of the conductive roller 21, a second guide roller driving motor 231 for driving the second guide roller 23 to rotate, and a pair of press rollers 24 disposed between the conductive roller 21 and the second guide roller 23.

The conductive roller 21 is lower than the first guide roller 22 and the second guide roller 23, the first guide roller 22 and the second guide roller 23 can guide the belt to turn and drive the belt to run through the driving action of the first guide roller driving motor 221 and the second guide roller driving motor 231, and in addition, the tension of the belt can be formed among the first guide roller 22, the second guide roller 23 and the conductive roller 21 through the rotating speed difference among the first guide roller driving motor 221, the second guide roller driving motor 231 and the conductive roller driving motor 211, so that the belt is tightly attached to the surface of the conductive roller 21, and the electric connection between the belt and the conductive roller 21 can be maintained. In addition, in the embodiment, the height difference among the conductive roller 21, the first guide roller 22 and the second guide roller 23 enables the strip to form a V-shaped path among the conductive roller 21, the first guide roller 22 and the second guide roller 23, and the contact area between the strip and the guide roller is increased, which is beneficial to keeping the electrical connection between the conductive roller 21 and the strip.

Conductive roller 21 is connected with the power negative pole electricity, and specifically conductive roller 21 both ends are provided with and are used for rotating the bearing frame 212 of being connected with conductive roller 21, simultaneously the pivot tip cover of conductive roller 21 is equipped with copper sheathing 213, copper sheathing 213 is connected simultaneously with conductive roller 21's roll surface electricity still be provided with electrical connection component 214 outward copper sheathing 213, electrical connection component 214 is including bearing seat 2144 and set up the multiunit contact in the bearing seat 2144 outside, the contact is including contact main part 2141 and contact installing support 2142, contact main part 2141 contradicts with copper sheathing 213 and is connected with the power negative pole simultaneously, it has the radial extending's of edge conductive roller 21 adjustment tank 2143 to open on the contact installing support 2142, and through passing adjustment tank 2143's screwed connection contact installing support 2142 and bearing seat 2144. The contact can be adjusted radially along the conductive roller 21 by adjustment so that the contact can remain in contact with the copper sleeve 213.

The compression rollers 24 are respectively in rolling contact with the upper side face and the lower side face of the strip and jointly press the strip, plating solution remained on the surface of the strip can be squeezed to two sides through the compression rollers 24, the strip is kept clean, and the plating solution among the spraying boxes 1 is prevented from mixing.

The spraying box 1 comprises a spraying device, a box body 12 and a plurality of pairs of anode plates 13 which are arranged in the box body 12 and connected with the anode of a power supply. In this embodiment, the two sides of the box 12 are provided with the pillars 123 for supporting the box 12, and the cross beam 124 is connected between the top ends of the pillars 123 at the two sides, so that the structural stability of the box 12 can be improved.

In this embodiment, transition areas 122 are formed at both the front end and the rear end of the box 12, the bottom plate of the box 12 bends and upwarps in the transition areas 122, the tangent point between the first guide roller 22 or the second guide roller 23 and the strip is immersed in the transition areas 122, and the bottom plate of the box 12 and the strip can be parallel to each other in the transition areas 122 due to the fact that the bottom plate of the box 12 upwarps in the transition areas 122, and the strip is prevented from colliding with the edge of the box 12.

Each pair of the anode plates 13 are opposite up and down, a space for the strip to pass through is reserved between the anode plates 13 opposite up and down, the anode plates 13 of each pair are horizontally arranged along the length direction of the box body 12, and the conductive roller 21 is connected with the power supply cathode, so when the strip bypasses the conductive roller 21, the strip is electrically connected with the conductive roller 21, the strip is finally communicated with the power supply cathode, and electroplating reaction occurs when the strip reaches between the anode plates 13.

A gap for plating solution to pass through is reserved between the horizontally adjacent anode plates 13, and a liquid outlet is formed at the bottom of the box body 12; the spraying device comprises a water distribution device 111 arranged above the anode plate 13, a return pipe 112 communicating the water distribution device 111 with a liquid outlet of the box body 12, and a pump 113 arranged on the return pipe 112. The plating solution is discharged from the water distribution device 111 and flows into the tank 12, the plating solution in the tank 12 can flow downwards from the gap between the horizontally arranged anode plates 13 and is finally discharged from the water discharge port in the tank 12, and the plating solution is pumped into the water distribution device 111 and is discharged into the tank 12 through the return pipe 112 under the suction action of the pump 113, so that the circulating flow of the plating solution is realized, the concentration of the plating solution can be uniformly distributed in the tank 12, the concentration polarization of the plating solution in the tank 12 is prevented, and the plating effect is further more uniform.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make further changes and modifications to the invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims (8)

1. A plating solution sprays line which characterized in that: comprises a spraying box (1) and roller devices (2) arranged at the upstream and the downstream of the spraying box (1); the spraying box (1) comprises a spraying device, a box body (12) and a plurality of pairs of anode plates (13) which are arranged in the box body (12) and connected with a power supply anode, wherein each pair of anode plates (13) are opposite up and down, a spacing space for a strip to pass through is reserved between the anode plates (13) which are opposite up and down, meanwhile, each pair of anode plates (13) are horizontally arranged along the length direction of the box body (12), a gap for plating solution to pass through is reserved between the anode plates (13) which are horizontally adjacent, and meanwhile, the bottom of the box body (12) is provided with a liquid outlet; the spraying device comprises a water distribution device (111) arranged above the anode plate (13), a return pipe (112) communicated with the water distribution device (111) and a liquid outlet of the box body (12), and a pump (113) arranged on the return pipe (112).

2. The plating solution spray line of claim 1, wherein: the roller device (2) comprises a conductive roller (21), a conductive roller driving motor (211) for driving the conductive roller (21) to rotate, a first guide roller (22) arranged on the upper stream of the conductive roller (21), a first guide roller driving motor (221) for driving the first guide roller (22) to rotate, a second guide roller (23) arranged on the lower stream of the conductive roller (21), and a second guide roller driving motor (231) for driving the second guide roller (23) to rotate, wherein the conductive roller (21) is electrically connected with a power source cathode.

3. The plating solution spray line of claim 2, wherein: and a pair of press rollers (24) is also arranged between the conductive roller (21) and the second guide roller (23), and the pair of press rollers (24) are respectively in rolling contact with the upper side surface and the lower side surface of the strip and jointly press the strip.

4. The plating solution spray line of claim 2, wherein: transition areas (122) are formed at the front end and the rear end of the box body (12), the bottom plate of the box body (12) bends and upwarps in the transition areas (122), and the tangent point between the first guide roller (22) or the second guide roller (23) and the strip is immersed in the transition areas (122).

5. The plating solution spray line of claim 2, wherein: conductive roller (21) both ends are provided with and are used for rotating bearing frame (212) of being connected with conductive roller (21), simultaneously the pivot tip cover of conductive roller (21) is equipped with copper sheathing (213), copper sheathing (213) are connected simultaneously with the roller face electricity of conductive roller (21) copper sheathing (213) still are provided with electric connection component (214) outward, electric connection component (214) are including bearing seat (2144) and set up in the multiunit contact in the bearing seat (2144) outside, the contact is connected and is contradicted with copper sheathing (213) simultaneously with power cathode.

6. The plating solution spray line according to claim 5, wherein: the contact is including contact main part (2141) and contact installing support (2142), contact main part (2141) contradicts with copper sheathing (213), it has along radially extending adjustment tank (2143) of electrically conductive roller (21) to open on contact installing support (2142), and through passing the screwed connection of adjustment tank (2143) contact installing support (2142) and bearing seat (2144).

7. The plating solution spray line of claim 1, wherein: two sides of the box body (12) are provided with upright posts (123) used for supporting the box body (12), and meanwhile, cross beams (124) are connected between the top ends of the upright posts (123) on the two sides.

8. The plating solution spray line of claim 2, wherein: the conductive roller (21) is lower than the first guide roller (22) and the second guide roller (23).

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