阅读说明：本技术 钢管表面镀膜装置 (Steel pipe surface coating device ) 是由 周金盛 吴胜强 曹二玲 于 2021-10-09 设计创作，主要内容包括：本发明为钢管表面镀膜装置,包括电泳池,电泳池内部设有装有钢管的上料架,上料架两端设有电泳护栏,电泳护栏由上料架顶端延伸至其一侧；电泳护栏内侧设有若干电极棒,两端电极棒可穿过钢管相对运动且可接触连接；电泳护栏左右两侧底部设有若干滑轮,若干滑轮设于电泳池上方。本发明通过电极板连接相反电极,向上料架及两端电极棒导电,上料架及电极棒分别向钢管外表面及内部传递电流形成电场,使其与电泳液发生电泳反应,进而完成钢管的镀膜工作。本发明工艺简单、操作方便、漆膜均匀度高、成本低廉、减少污染。(The invention relates to a steel pipe surface coating device, which comprises an electrophoretic pool, wherein a feeding frame provided with a steel pipe is arranged in the electrophoretic pool, electrophoresis guardrails are arranged at two ends of the feeding frame, and the electrophoresis guardrails extend to one side of the feeding frame from the top end of the feeding frame; the inner side of the electrophoresis guardrail is provided with a plurality of electrode rods, and the electrode rods at two ends can pass through the steel pipe to move relatively and be in contact connection; electrophoresis guardrail left and right sides bottom is equipped with a plurality of pulleys, and electrophoresis cell top is located to a plurality of pulleys. The invention connects the opposite electrode through the electrode plate, the feeding frame and the electrode bars at two ends are conductive, and the feeding frame and the electrode bars respectively transmit current to the outer surface and the inner part of the steel pipe to form an electric field, so that the electric field and the electrophoretic liquid are subjected to electrophoretic reaction, and the film coating work of the steel pipe is further completed. The method has the advantages of simple process, convenient operation, high paint film uniformity, low cost and pollution reduction.)

1. Steel pipe surface coating film device, it includes electrophoresis cell (1), its characterized in that: a feeding frame (2) provided with a steel pipe is arranged in the electrophoresis cell (1), electrophoresis guardrails (3) are arranged at two ends of the feeding frame (2), and the electrophoresis guardrails (3) extend to one side of the feeding frame (2) from the top end of the feeding frame; a plurality of electrode rods (4) are arranged on the inner side of the electrophoresis guardrail (3), and the electrode rods (4) at two ends can move relatively through the steel pipe (5) and can be in contact connection.

2. The steel pipe surface coating apparatus according to claim 1, characterized in that: electrophoresis guardrail (3) left and right sides bottom is equipped with a plurality of pulleys (6), and is a plurality of pulley (6) are located electrophoresis cell (1) top.

3. The steel pipe surface coating apparatus according to claim 2, characterized in that: the lower end surfaces of the pulleys (6) are in direct contact with the upper end surface of the electrophoresis cell (1).

4. The steel pipe surface coating apparatus according to claim 1 or 2, characterized in that: a longitudinal partition plate (7) is arranged between the electrophoresis guardrail (3) and the feeding frame (2); a plurality of jacks (8) matched with the electrode rods (4) are arranged on the longitudinal partition plate (7), and the electrode rods (4) sequentially penetrate through the jacks (8).

5. The steel pipe surface coating apparatus according to claim 4, characterized in that: electrophoresis liquid (9) is filled between electrophoresis cell (1) and longitudinal baffle (7), it has a plurality of electrode boards (10) to distribute around electrophoresis liquid (9), and is a plurality of the bottom and both sides of electrophoresis cell (1) are located in electrode board (10), and opposite electrode is connected respectively with electrode board (10) of both sides in the bottom, and wherein electrode board (10) and both ends electrode stick (4) of both sides are connected.

6. The steel pipe surface coating apparatus according to claim 5, characterized in that: and one side of the electrophoresis guardrail (3) is connected with a driving mechanism.

Technical Field

The invention belongs to the technical field of electrochemical treatment of steel pipes, and particularly relates to a steel pipe surface coating device.

Background

When the steel pipe is used, in order to prevent the problems of corrosion, rusting, aging and the like, the surface of the steel pipe is treated, common treatment modes comprise electroplating, galvanizing and the like, the electroplating is carried out by plating a solution containing plating metal cations on the steel pipe so as to increase the hardness and improve the conductivity of the steel pipe, the galvanizing is to plate a layer of zinc on the surface of the steel pipe so as to play a role in beauty, rust prevention and the like, both have the defect of low plating uniformity, the steel pipe is difficult to completely cover, and waste water generated by the electroplating and galvanizing modes contains heavy metal ions such as chromium, nickel, cadmium and the like and sundries such as acid, alkali, cyanide and the like with high toxicity, and in order to overcome the problems, the technology carries out surface treatment on the steel pipe by an electrophoresis mode.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a steel pipe surface coating device, and in order to realize the purpose, the invention provides the following technical scheme:

the steel pipe surface coating device comprises an electrophoretic pool, wherein a feeding frame provided with a steel pipe is arranged in the electrophoretic pool, electrophoresis guardrails are arranged at two ends of the feeding frame, and the electrophoresis guardrails extend from the top end of the feeding frame to one side of the feeding frame; the inner side of the electrophoresis guardrail is provided with a plurality of electrode rods, and the electrode rods at two ends can penetrate through the steel pipe to move relatively and be in contact connection.

Preferably, electrophoresis guardrail left and right sides bottom is equipped with a plurality of pulleys, and a plurality of the pulley is located the electrophoresis cell top.

Preferably, a plurality of the lower end faces of the pulleys are in direct contact with the upper end face of the electrophoresis cell.

Preferably, a longitudinal partition plate is arranged between the electrophoresis guardrail and the feeding frame; and a plurality of jacks matched with the electrode rods are arranged on the longitudinal partition plate, and the electrode rods sequentially penetrate through the jacks.

Preferably, the electrophoresis liquid is filled between the electrophoresis cell and the longitudinal partition plate, a plurality of electrode plates are distributed around the electrophoresis liquid, the electrode plates are arranged at the bottom and two sides of the electrophoresis cell, the electrode plates at the bottom and two sides are respectively connected with opposite electrodes, and the electrode plates at two sides are connected with electrode rods at two ends.

Preferably, one side of the electrophoresis guardrail is connected with a driving mechanism.

Compared with the prior art, the invention has the following beneficial effects: the invention relates to a steel pipe surface coating device, which is characterized in that electrode plates are distributed at the bottom and two sides of an electrophoresis cell, the two electrode plates are connected with opposite electrodes, the electrode plate at the bottom conducts electricity to an upper material rack, the upper material rack transfers the current to a steel pipe to form an electric field, at the moment, an electrophoresis liquid moves towards the outer surface of the steel pipe and the electrode with the opposite electric property to the outer surface of the steel pipe to finish electrophoresis, a layer of paint film is generated through electrodeposition, and the paint film acts on the outer surface of the steel pipe to finish coating of the outer surface; the electrode plates on two sides are connected with the electrode rods to conduct electricity to the electrode rods, when the driving mechanism pushes the electrode rods to act inwards, the electrode rods at two ends are relatively inserted into two ends inside the steel pipe and are in contact connection to form an electric field to react with electrophoretic liquid, electrophoresis is completed, a paint film is generated through electrodeposition, the paint film acts on the inner wall of the steel pipe to complete inner wall coating, and because the electrophoretic paint is water-soluble paint, waste is less. The invention has the advantages of simple process, convenient operation, high paint film uniformity, wide coverage, low cost and pollution reduction.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a reference view of the electrophoresis guardrail of the present embodiment acting inwards;

FIG. 2 is a reference view of the electrophoresis guardrail of the present embodiment acting outward;

FIG. 3 shows the driving pulley reciprocating when the driving mechanism of the present embodiment is a hydraulic cylinder;

FIG. 4 shows the reciprocating motion of the driving pulley when the driving mechanism of this embodiment is a cylinder;

FIG. 5 is a diagram showing a reference diagram of the position of the electrophoretic fluid and the electrode plate in this embodiment;

FIG. 6 is a diagram showing the connection relationship between the electrode rods and the electrophoretic barriers according to this embodiment;

fig. 7 is a reference view of the structure of the longitudinal partition in the present embodiment.

In the figure: 1-electrophoresis cell, 2-loading frame, 3-electrophoresis guardrail, 4-electrode bar, 5-steel pipe, 6-pulley, 7-longitudinal partition plate, 8-jack, 9-electrophoresis liquid, 10-electrode plate, 11-hydraulic cylinder, 12-cylinder, 13-motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-7, the steel tube surface coating device comprises an electrophoresis cell 1, wherein a feeding frame 2 filled with steel tubes is arranged inside the electrophoresis cell 1, electrophoresis guardrails 3 are arranged at two ends of the feeding frame 2, and the electrophoresis guardrails 3 extend from the top end of the feeding frame 2 to one side of the feeding frame; the number of the electrophoresis guardrails 3 is 2, and the electrophoresis guardrails surround the whole feeding frame 2 in relative positions; the inner side of the electrophoresis guardrail 3 is provided with a plurality of electrode rods 4, and the electrode rods 4 at two ends can pass through the steel pipe 5 to move relatively and be in contact connection.

Further, electrophoresis guardrail 3 left and right sides bottom is equipped with a plurality of pulleys 6, and pulley 6 is located electrophoresis cell 1 top.

Furthermore, a plurality of pulleys 6 lower end face and electrophoresis cell 1 up end direct contact, actuating mechanism drive pulley 6 moves and then drives electrophoresis guardrail 3, electrode bar 4 and do reciprocating motion on electrophoresis cell 1.

Further, a longitudinal partition plate 7 is arranged between the electrophoresis guardrail 3 and the feeding frame 2; the longitudinal partition plates 7 have a partition function, so that the electrophoresis liquid 9 is prevented from overflowing to cause resource waste; have a plurality of jacks 8 with 4 looks adaptations of electrode rod on the longitudinal baffle 7, inside electrode rod 4 passed jack 8 in proper order, the setting of jack 8 had the guide effect, and electrode rod 4 of being convenient for passes 5 insides of steel pipe through jack 8 and not contact with last work or material rest 2, can not break away from jack 8 when reciprocating motion for preventing that jack 8 from taking place the weeping condition electrode rod 4 and increased the leakproofness.

Further, electrophoresis liquid 9 is filled between the electrophoresis cell 1 and the longitudinal partition plate 7, a plurality of electrode plates 10 are distributed around the electrophoresis liquid 9, the electrode plates 10 are distributed at the bottom and two sides of the electrophoresis cell 1, the electrode plates 10 at the bottom and two sides are respectively connected with opposite electrodes, the electrode plates 10 at the bottom conduct electricity to the feeding frame 2, the feeding frame 2 transfers the current to the steel tube 5 to form an electric field at the moment, the electrophoresis liquid 9 is conductive particles, the electrophoresis liquid 9 moves towards the outer surface of the steel tube 5 along with the electrodes with the opposite electric property to finish electrophoresis, a layer of paint film is generated through electrodeposition, and the paint film acts on the outer surface of the steel tube 5 to finish the outer surface film coating; the electrode plates 10 on the two sides conduct electricity to the electrode rods 4, the electrode rods 4 on the two ends are respectively inserted into the steel pipe 5 and are in opposite contact connection, an electric field is generated and reacts with the electrophoretic liquid 9, a paint film is generated through electrodeposition, and the paint film acts on the inner wall and the concave part of the steel pipe 5 to finish the coating of the inner wall.

Furthermore, a driving mechanism is connected to one side of the electrophoresis guardrail 3, and the driving mechanism can be driven by a hydraulic cylinder, an air cylinder or a motor.

In the first embodiment, as shown in fig. 3, when the driving mechanism is driven by a hydraulic cylinder, the hydraulic cylinder 11 is connected to one end of the electrophoresis guardrail 3 to provide power for the pulley 6, and the pulley 6 is controlled to reciprocate.

In the second embodiment, as shown in fig. 4, when the driving mechanism is driven by an air cylinder, the air cylinder 12 is connected to one end of the electrophoresis guardrail 3 to provide power for the pulley 6, and the pulley 6 is controlled to reciprocate.

In the third embodiment, as shown in fig. 1 and 2, when the driving mechanism is driven by a motor, the output shaft of the motor 13 connected to the pulley 6 rotates to drive the other pulleys 6 to reciprocate.

The working principle is as follows: an electrode plate 10 at the bottom of the electrophoresis cell 1 is connected with a power supply and conducts electricity to the feeding frame 2, the feeding frame 2 transmits current to the steel pipe 5 to form an electric field, the electrophoresis liquid 9 moves towards the outer surface of the steel pipe 5 along with the electrode with the opposite electric property to the electrode, electrophoresis is completed, a layer of paint film is generated through electrodeposition, and the paint film acts on the outer surface of the steel pipe 5 to achieve the purpose of coating the outer surface of the steel pipe 5; the plate electrode 10 of both sides is connected with electrode bar 4 and is electrically conductive to it, actuating mechanism connects 3 one side of electrophoresis guardrail and provides power to it and makes pulley 6 of electrophoresis guardrail 3 bottom do reciprocating motion on electrophoresis cell 1, electrode bar 4 at both ends passes 5 inside relative motion of steel pipe and contactable connection formation electric field through jack 8 respectively when actuating mechanism promotes pulley 6 internal reaction, react with electrophoresis liquid 9 of 1 inside electrophoresis cell, accomplish the electrophoresis, through the electrodeposition, insoluble particle deposit produces one deck paint film, the paint film acts on 5 inner walls of steel pipe and depressed part, reach the purpose to the 5 inner wall coating films of steel pipe.

In this document, the driving mechanism is not limited to the first embodiment, the second embodiment, the third embodiment, and the like, and other driving manners capable of driving the pulley to move are within the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.