阅读说明：本技术 一种卡车保险杠全自动阴极电泳涂装工艺 (Full-automatic cathode electrophoresis coating process for truck bumper ) 是由 高广 于 2020-07-10 设计创作，主要内容包括：本发明提供一种卡车保险杠全自动阴极电泳涂装工艺,主要涉及保险杠涂装技术领域。一种卡车保险杠全自动阴极电泳涂装工艺,包括如下步骤：步骤1：上挂,进行热水洗；步骤2：脱脂；步骤3：水洗,表调,磷化；步骤4：水洗,清除表面磷化液；步骤5：电泳；步骤6：在纯水下游浸60秒,出槽喷淋60秒,然后人工吹水,电泳固化30分钟,冷却,下挂。本发明的有益效果在于：本发明通过采用全自动阴极电泳涂装,能够高效率、低劳动力完成卡车保险杆的涂装工作,降低了人工劳动力度,同时通过对保险杠进行脱脂、表调与磷化操作,使保险杠表面形成磷化膜,对保险杠基体金属提供保护,防止金属被腐蚀,提高了卡车保险杠的使用寿命。(The invention provides a full-automatic cathode electrophoretic coating process for a truck bumper, and mainly relates to the technical field of bumper coating. A full-automatic cathode electrophoresis coating process for a truck bumper comprises the following steps: step 1: hanging and washing with hot water; step 2: degreasing; and step 3: washing, surface conditioning and phosphorizing; and 4, step 4: washing with water to remove the surface phosphating solution; and 5: electrophoresis; step 6: dipping the mixture in pure water for 60 seconds, taking the mixture out of a tank, spraying the mixture for 60 seconds, manually blowing water, carrying out electrophoresis curing for 30 minutes, cooling and hanging the mixture. The invention has the beneficial effects that: the invention adopts full-automatic cathode electrophoretic coating, can finish the coating work of the truck bumper with high efficiency and low labor force, reduces the labor intensity, and simultaneously leads the surface of the bumper to form a phosphating film by carrying out degreasing, surface adjustment and phosphating operations on the bumper, thereby protecting the base metal of the bumper, preventing the metal from being corroded and prolonging the service life of the truck bumper.)

1. A full-automatic cathode electrophoresis coating process for a truck bumper comprises the following steps:

step 1: hanging, then washing the bumper with hot water, and soaking in hot water for 60 seconds;

step 2: degreasing, namely opening a pre-degreasing water pump and a main degreasing water pump, spraying for 60 seconds under the pre-degreasing water pump, performing pre-degreasing, and soaking for 180 seconds at the downstream of the main degreasing water pump to perform main degreasing;

And step 3: washing, surface conditioning and phosphating, wherein washing is carried out twice before and after adopting a spraying form, each washing is sprayed for 60 seconds, then the washing is carried out for 60 seconds under a titanium phosphate solution for surface conditioning, and then the washing is carried out for 180 seconds under a phosphating solution for phosphating;

and 4, step 4: washing with water, spraying for 60 seconds in a spraying mode, then spraying and cleaning for 60 seconds after pure water is soaked for 60 seconds, and removing surface phosphating solution;

and 5: electrophoresis, dipping in electrophoresis solution for 180 seconds, and then UF₀Spraying for 15 seconds, UF₁Spraying for 30 seconds, UF₂Spraying for 30 seconds;

step 6: dipping the mixture in pure water for 60 seconds, taking the mixture out of a tank, spraying the mixture for 60 seconds, manually blowing water, carrying out electrophoresis curing for 30 minutes, naturally cooling, and hanging the mixture.

2. The full-automatic cathode electrophoretic coating process for the truck bumper according to claim 1, characterized in that: the hot water washing temperature in the step 1 is 45-55 ℃, in particular 50 ℃.

3. The full-automatic cathode electrophoretic coating process for the truck bumper according to claim 1, characterized in that: in the step 2, the main degreasing temperature is 45-55 ℃, and specifically is 50 ℃.

4. The full-automatic cathode electrophoretic coating process for the truck bumper according to claim 1, characterized in that: the phosphating solution in the step 3 is Fe (H) ₂PO₄)₂Mn(H₂PO₄)₂Zn(H₂PO₄)₂The pH value of the acid dilute aqueous solution is 1-3, and the relative density of the solution is 1.05-1.10.

5. The full-automatic cathode electrophoretic coating process for the truck bumper according to claim 1, characterized in that: the electrophoresis temperature in the step 5 is 25-30 ℃, specifically 28 ℃.

Technical Field

The invention mainly relates to the technical field of cathode electrophoretic coating of bumpers, in particular to a full-automatic cathode electrophoretic coating process for a truck bumper.

Background

The truck bumper is an important component of the appearance of the truck, is a main decorative part outside the truck, and is increasingly emphasized by professional factories along with the continuous improvement of requirements of people on the appearance of the truck, and the truck bumper is mainly used by the truck bumper at present, has certain strength, rigidity and decoration, can play a certain buffering role in collision accidents to protect front and rear vehicle bodies, and can be naturally integrated with the vehicle bodies to play a good decoration role to become an indispensable important component of the appearance of the truck.

At present, when the truck bumper is coated, the surface of the truck bumper is mostly coated with pigment manually, the pigment is used for beautifying and preventing the surface oxidation of the bumper, the coating effect is poor easily due to different experiences of different people, the later stage falling is easily caused, the use of the truck bumper is influenced, the fatigue of operators is gradually increased along with the increase of working time, the working efficiency is further influenced, and the inconvenience is brought to production and processing.

Disclosure of Invention

The full-automatic cathode electrophoretic coating process for the truck bumper is capable of finishing coating work of the truck bumper with high efficiency and low labor force by adopting full-automatic cathode electrophoretic coating, reduces manual labor intensity, forms a phosphating film on the surface of the bumper by carrying out degreasing, surface adjustment and phosphating operations on the bumper, protects base metal of the bumper, prevents the metal from being corroded, and prolongs the service life of the truck bumper.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a full-automatic cathode electrophoresis coating process for a truck bumper comprises the following steps:

step 1: hanging, then washing the bumper with hot water, and soaking in hot water for 60 seconds;

step 2: degreasing, namely opening a pre-degreasing water pump and a main degreasing water pump, spraying for 60 seconds under the pre-degreasing water pump, performing pre-degreasing, and soaking for 180 seconds at the downstream of the main degreasing water pump to perform main degreasing;

and step 3: washing, surface conditioning and phosphating, wherein washing is carried out twice before and after adopting a spraying form, each washing is sprayed for 60 seconds, then the washing is carried out for 60 seconds under a titanium phosphate solution for surface conditioning, and then the washing is carried out for 180 seconds under a phosphating solution for phosphating;

and 4, step 4: washing with water, spraying for 60 seconds in a spraying mode, then spraying and cleaning for 60 seconds after pure water is soaked for 60 seconds, and removing surface phosphating solution;

and 5: electrophoresis, dipping in electrophoresis solution for 180 seconds, and then UF₀Spraying for 15 seconds, UF₁Spraying for 30 seconds, UF₂Spraying for 30 seconds;

step 6: dipping the mixture in pure water for 60 seconds, taking the mixture out of a tank, spraying the mixture for 60 seconds, manually blowing water, carrying out electrophoresis curing for 30 minutes, naturally cooling, and hanging the mixture.

Further, the hot water washing temperature in the step 1 is 45-55 ℃, specifically 50 ℃.

Further, the temperature of the main degreasing in the step 2 is 45-55 ℃, and specifically is 50 ℃.

Further, the phosphating solution in the step 3 is Fe (H)₂PO₄)₂Mn(H₂PO₄)₂Zn(H₂PO₄)₂The pH value of the acid dilute aqueous solution is 1-3, and the relative density of the solution is 1.05-1.10.

Further, the electrophoresis temperature in the step 5 is 25-30 ℃, specifically 28 ℃.

Compared with the prior art, the invention has the beneficial effects that:

the invention adopts full-automatic cathode electrophoretic coating, can finish the coating work of the truck bumper with high efficiency and low labor force, reduces the labor intensity, and simultaneously leads the surface of the bumper to form a phosphating film by carrying out degreasing, surface adjustment and phosphating operations on the bumper, thereby protecting the base metal of the bumper, preventing the metal from being corroded and prolonging the service life of the truck bumper.

Detailed Description

The present invention will be further described with reference to specific embodiments thereof. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

The invention relates to a full-automatic cathode electrophoretic coating process for a truck bumper, which comprises the following steps:

step 1: hanging, then washing the bumper with hot water, and soaking in hot water for 60 seconds;

step 2: degreasing, namely opening a pre-degreasing water pump and a main degreasing water pump, spraying for 60 seconds under the pre-degreasing water pump, performing pre-degreasing, and soaking for 180 seconds at the downstream of the main degreasing water pump to perform main degreasing;

and step 3: washing, surface conditioning and phosphating, wherein washing is carried out twice before and after adopting a spraying form, each washing is sprayed for 60 seconds, then the washing is carried out for 60 seconds under a titanium phosphate solution for surface conditioning, and then the washing is carried out for 180 seconds under a phosphating solution for phosphating;

and 4, step 4: washing with water, spraying for 60 seconds in a spraying mode, then spraying and cleaning for 60 seconds after pure water is soaked for 60 seconds, and removing surface phosphating solution;

and 5: electrophoresis, dipping in electrophoresis solution for 180 seconds, and then UF₀Spraying for 15 seconds, UF₁Spraying for 30 seconds, UF₂Spraying for 30 seconds;

step 6: dipping the mixture in pure water for 60 seconds, taking the mixture out of a tank, spraying the mixture for 60 seconds, manually blowing water, carrying out electrophoresis curing for 30 minutes, naturally cooling, and hanging the mixture.

Specifically, the hot water washing temperature in the step 1 is 45-55 ℃, specifically 50 ℃.

Specifically, the main degreasing temperature in the step 2 is 45-55 ℃, specifically 50 ℃.

Specifically, the phosphating solution in the step 3 is Fe (H)₂PO₄)₂Mn(H₂PO₄)₂Zn(H₂PO₄)₂The pH value of the acid dilute aqueous solution is 1-3, and the relative density of the solution is 1.05-1.10.

Specifically, the electrophoresis temperature in the step 5 is 25-30 ℃, specifically 28 ℃.