阅读说明：本技术 一种汽车涂装电泳槽底部喷淋装置 (Bottom spraying device of automobile coating electrophoresis tank ) 是由 王兵 许能才 汪金东 陈道飞 高子宇 倪海华 渠慎春 于 2021-03-03 设计创作，主要内容包括：本发明公开了一种汽车涂装电泳槽底部喷淋装置,包括设置于电泳槽车头方向侧壁上的第一输液管、设置于电泳槽车尾方向侧壁上的第二输液管,及设置于电泳槽底部的第三输液管、第四输液管、第五输液管、第六输液管、第七输液管、第八输液管；第七输液管上的常规文丘里喷嘴上通过三通管连接有水平文丘里喷嘴；第四输液管、第五输液管、第六输液管上的常规文丘里喷嘴上通过三通管连通有竖直向上喷液、并具有不同高度的竖直文丘里喷嘴；第二输液管上设置有向上喷液的加长文丘里喷嘴。可以解决同平台新能源车型底板电泳不良,涂装生产过程中出现的电泳质量缺陷等问题,同时方便员工操作,提高生产效率,降低单车成本,提升防腐性能。(The invention discloses a spraying device at the bottom of an electrophoresis tank for automobile coating, which comprises a first liquid conveying pipe arranged on the side wall of the electrophoresis tank in the direction of the head, a second liquid conveying pipe arranged on the side wall of the electrophoresis tank in the direction of the tail, a third liquid conveying pipe, a fourth liquid conveying pipe, a fifth liquid conveying pipe, a sixth liquid conveying pipe, a seventh liquid conveying pipe and an eighth liquid conveying pipe arranged at the bottom of the electrophoresis tank; a conventional Venturi nozzle on the seventh liquid conveying pipe is connected with a horizontal Venturi nozzle through a three-way pipe; the conventional Venturi nozzles on the fourth infusion tube, the fifth infusion tube and the sixth infusion tube are communicated with vertical Venturi nozzles which spray liquid upwards and have different heights through a three-way tube; the second liquid conveying pipe is provided with a lengthened Venturi nozzle for upward liquid spraying. The problem of with platform new forms of energy motorcycle type bottom plate electrophoresis bad, electrophoresis quality defect that appears in the application production process etc. can be solved, make things convenient for staff's operation simultaneously, improve production efficiency, reduce the bicycle cost, promote corrosion resisting property.)

1. A spraying device at the bottom of an electrophoresis tank for automobile coating is characterized by comprising a first liquid conveying pipe (21) arranged on the side wall of the electrophoresis tank (1) in the direction of the head, a second liquid conveying pipe (22) arranged on the side wall of the electrophoresis tank (1) in the direction of the tail, and a third liquid conveying pipe (23), a fourth liquid conveying pipe (24), a fifth liquid conveying pipe (25), a sixth liquid conveying pipe (26), a seventh liquid conveying pipe (27) and an eighth liquid conveying pipe (28) which are arranged at the bottom of the electrophoresis tank (1);

a conventional Venturi nozzle (3) for spraying liquid towards the bottom of the electrophoresis tank (1) is arranged on the first liquid conveying pipe (21); the third infusion tube (23), the fourth infusion tube (24), the fifth infusion tube (25), the sixth infusion tube (26) and the eighth infusion tube (28) are provided with a conventional Venturi nozzle (3) which sprays liquid towards the tail direction of the vehicle along the bottom of the electric current groove (1); the third infusion tube (23) and the eighth infusion tube (28) are also provided with a corner nozzle (4);

the seventh liquid conveying pipe (27) is provided with a conventional Venturi nozzle (3) for upward liquid spraying, and the conventional Venturi nozzle (3) is connected with a horizontal Venturi nozzle (7) through a three-way pipe;

the conventional Venturi nozzles on the fourth infusion tube (24), the fifth infusion tube (25) and the sixth infusion tube (26) are communicated with vertical Venturi nozzles (5) which spray liquid upwards and have different heights through a three-way tube;

the second liquid conveying pipe (2) is provided with a conventional Venturi nozzle and a lengthened Venturi nozzle (6) which spray liquid upwards.

2. The spray device at the bottom of the automotive coating electrophoresis tank according to claim 1, characterized in that the third infusion tube (23), the fourth infusion tube (24), the fifth infusion tube (25), the sixth infusion tube (26), the seventh infusion tube (27), and the eighth infusion tube (28) are arranged in parallel.

3. The spray device at the bottom of an automotive painting electrophoresis tank according to claim 1, characterized in that the height of the vertical venturi nozzle (5) is determined according to the shape of the vehicle body.

4. The spray device at the bottom of the automotive coating electrophoresis tank as claimed in claim 1, characterized in that the spray direction of the elongated venturi nozzle (6) is from the tail of the vehicle to the head of the vehicle.

5. The spray device at the bottom of an automotive coating electrophoresis tank according to claim 1, characterized in that the seventh liquid conveying pipe (27) is further provided with a conventional venturi nozzle (3) which sprays liquid upwards.

Technical Field

The invention relates to the technical field of automobile electrophoresis equipment, in particular to a spraying device at the bottom of an automobile coating electrophoresis tank.

Background

With the development of new energy automobiles, the application of various lightweight materials puts higher demands on the coating of the lightweight materials. The coating is used as the link with the highest added value in the automobile manufacturing process, and the new coating process is developed towards the direction of quality improvement and efficiency improvement, low cost, energy conservation and environmental protection. The pretreatment phosphorus-free film process is matched with the electrophoresis high-electrophoresis-permeability coating for use, and the corrosion resistance of the vehicle body, the electrophoresis effect of the cathode electrophoresis coating and the circulating system of the equipment are all requirements for ensuring the corrosion resistance quality of the inner surface and the cavity of the vehicle body. The electrophoresis tank increases new motorcycle type reason and leads to the bottom to flow the effect relatively poor, and there is the washing dead angle in the individual position in the condition of passing the car, leads to having the air chamber, and it is bad to appear electrophoresis underbody.

Disclosure of Invention

The invention aims to provide a spraying device at the bottom of an electrophoresis tank for automobile coating, which solves the problems of poor electrophoresis of a bottom plate of a new energy vehicle type on the same platform, electrophoresis quality defects in the coating production process and the like, is convenient for workers to operate, improves the production efficiency, reduces the cost of a single vehicle and improves the corrosion resistance.

In order to solve the technical problem, the invention aims to realize that:

the invention relates to a spraying device at the bottom of an electrophoresis tank for automobile coating, which comprises a first liquid conveying pipe arranged on the side wall of the electrophoresis tank in the direction of the head, a second liquid conveying pipe arranged on the side wall of the electrophoresis tank in the direction of the tail, a third liquid conveying pipe, a fourth liquid conveying pipe, a fifth liquid conveying pipe, a sixth liquid conveying pipe, a seventh liquid conveying pipe and an eighth liquid conveying pipe which are arranged at the bottom of the electrophoresis tank;

the first liquid conveying pipe is provided with a conventional Venturi nozzle for spraying liquid towards the bottom of the electrophoresis tank 1; the third infusion tube, the fourth infusion tube, the fifth infusion tube, the sixth infusion tube and the eighth infusion tube are provided with conventional Venturi nozzles for spraying liquid towards the tail direction of the vehicle along the bottom of the current slot; the third infusion tube and the eighth infusion tube 28 are also provided with corner nozzles;

the seventh liquid conveying pipe is provided with a conventional Venturi nozzle for upward liquid spraying, and the conventional Venturi nozzle is connected with a horizontal Venturi nozzle through a three-way pipe;

the conventional Venturi nozzles on the fourth infusion tube, the fifth infusion tube and the sixth infusion tube are communicated with vertical upwards-spraying Venturi nozzles with different heights through a three-way tube;

and the second liquid conveying pipe is provided with a conventional Venturi nozzle and a lengthened Venturi nozzle which spray liquid upwards.

On the basis of the above scheme and as a preferable scheme of the scheme: the third infusion tube, the fourth infusion tube, the fifth infusion tube, the sixth infusion tube, the seventh infusion tube and the eighth infusion tube are arranged in parallel.

On the basis of the above scheme and as a preferable scheme of the scheme: the height of the vertical venturi nozzle is determined according to the shape of the vehicle body.

On the basis of the above scheme and as a preferable scheme of the scheme: the liquid spraying direction of the lengthened Venturi nozzle faces to the vehicle head from the vehicle tail.

On the basis of the above scheme and as a preferable scheme of the scheme: and the seventh liquid conveying pipe is also provided with a conventional Venturi nozzle for upward liquid spraying.

The invention has the beneficial effects that: the spray device at the bottom of the automobile coating electrophoresis tank, provided by the invention, can solve the problems of poor electrophoresis of the bottom plate of a new energy automobile on the same platform, electrophoresis quality defects in the coating production process and the like by additionally arranging the vertical Venturi nozzle and the lengthened Venturi nozzle which spray liquid upwards through the three-way pipe, is convenient for workers to operate, improves the production efficiency, reduces the cost of a single automobile, and improves the corrosion resistance.

Drawings

FIG. 1 is a schematic structural diagram of a spraying device at the bottom of an automotive coating electrophoresis tank in the prior art;

fig. 2 is a schematic diagram of a spraying device at the bottom of an automobile coating electrophoresis tank.

The designations in the figures illustrate the following: 1-an electrophoresis tank; 21-a first infusion tube; 22-a second infusion tube; 23-a third infusion tube; 24-a fourth infusion tube; 25-a fifth infusion tube; 26-a sixth infusion tube; 27-a seventh infusion tube; 28 an eighth infusion tube; 3-a conventional venturi nozzle; 4-corner nozzle; 5-a vertical venturi nozzle; 6-lengthening a Venturi nozzle; 7-horizontal venturi nozzle.

Detailed Description

The invention is further described with reference to the following figures and specific examples.

This embodiment will be described in detail with reference to fig. 1 and 2. As shown in fig. 1, in the structural schematic diagram of the prior art spray device for coating the bottom of the electrophoresis tank, the spray device for coating the bottom of the electrophoresis tank of an automobile comprises a first infusion tube 21 arranged on the side wall in the direction of the vehicle head of the electrophoresis tank 1, a second infusion tube 22 arranged on the side wall in the direction of the vehicle tail of the electrophoresis tank 1, and a third infusion tube 23, a fourth infusion tube 24, a fifth infusion tube 25, a sixth infusion tube 26, a seventh infusion tube 27 and an eighth infusion tube 28 arranged at the bottom of the electrophoresis tank 1.

The first infusion tube 21 is provided with a conventional venturi nozzle for spraying liquid downwards, and the third infusion tube 23, the fourth infusion tube 24, the fifth infusion tube 25, the sixth infusion tube 26 and the eighth infusion tube 28 are provided with a conventional venturi nozzle 3 for spraying liquid towards the tail of the vehicle along the bottom of the electric flow groove 1. The seventh infusion line 27 is provided with a conventional venturi nozzle which sprays liquid upwards. And the third infusion tube 23 and the eighth infusion tube 28 are also provided with the corner nozzle 4. A conventional venturi nozzle 3 for spraying liquid upwards is arranged on the second liquid conveying pipe 21. The electrophoresis tank increases new motorcycle type reason and leads to the bottom to flow the effect relatively poor, and there is the washing dead angle in the individual position in the condition of passing the car, leads to having the air chamber, and it is bad to appear electrophoresis underbody.

In order to solve the above technical problem, as shown in fig. 2, the present embodiment designs an automobile coating electrophoresis tank bottom spraying device, which includes a first infusion tube 21 disposed on a side wall in a direction of a vehicle head of an electrophoresis tank 1, a second infusion tube 22 disposed on a side wall in a direction of a vehicle tail of the electrophoresis tank 1, and a third infusion tube 23, a fourth infusion tube 24, a fifth infusion tube 25, a sixth infusion tube 26, a seventh infusion tube 27, and an eighth infusion tube 28 disposed at the bottom of the electrophoresis tank 1.

A conventional Venturi nozzle 3 for spraying liquid towards the bottom of the electrophoresis tank 1 is arranged on the first liquid conveying pipe 21; the third infusion tube 23, the fourth infusion tube 24, the fifth infusion tube 25, the sixth infusion tube 26 and the eighth infusion tube 28 are provided with a conventional Venturi nozzle 3 which sprays liquid along the bottom of the electric current groove 1 towards the tail direction of the vehicle; the third infusion tube 23 and the eighth infusion tube 28 are also provided with an angled nozzle 4. A third infusion tube 23, a fourth infusion tube 24, a fifth infusion tube 25, a sixth infusion tube 26, a seventh infusion tube 27, and an eighth infusion tube 28 are arranged in parallel.

The seventh liquid conveying pipe 27 is provided with a conventional Venturi nozzle 3 which sprays liquid upwards, and the conventional Venturi nozzle 3 is connected with a horizontal Venturi nozzle 7 through a three-way pipe. And a conventional venturi nozzle 3 for spraying liquid toward the rear of the vehicle along the bottom of the current tank 1 is provided on the seventh liquid conveying pipe 27.

The conventional Venturi nozzles on the fourth infusion tube 24, the fifth infusion tube 25, the sixth infusion tube 26 and the seventh infusion tube 27 are communicated with vertical Venturi nozzles 5 which spray liquid upwards and have different heights through a three-way tube. The height of the vertical venturi nozzle 5 is determined according to the shape of the vehicle body, namely the vertical venturi nozzle 5 with different heights can form a profile which is approximately similar to the shape of the vehicle body, the problems that the electrophoresis of the bottom plate of the vehicle with the platform is poor, the electrophoresis quality defect occurs in the coating production process and the like can be better solved, meanwhile, the operation of workers is facilitated, the production efficiency is improved, the cost of a single vehicle is reduced, and the corrosion resistance is improved.

And a conventional venturi nozzle and a lengthened venturi nozzle 6 for spraying liquid upwards are arranged on the second liquid conveying pipe 2. The liquid spraying direction of the lengthened Venturi nozzle 6 is from the tail of the vehicle to the head of the vehicle, so that the circulation of the electrophoretic liquid can be accelerated better.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.