CN103028533B

CN103028533B - Automobile surface paint chromatic spraying method

Info

Publication number: CN103028533B
Application number: CN201210322342.6A
Authority: CN
Inventors: 赵磊; 程文安; 郑伟
Original assignee: Zhejiang Geely Holding Group Co Ltd; Jinan Geely Automobile Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Jinan Geely Automobile Co Ltd
Priority date: 2012-09-04
Filing date: 2012-09-04
Publication date: 2014-07-02
Anticipated expiration: 2032-09-04
Also published as: CN103028533A

Abstract

本发明涉及一种汽车表漆套色喷涂方法，包括如下步骤：中涂喷漆→闪干→喷涂套色漆→烘干→强冷→打磨→遮蔽→喷涂主色色漆→闪干→卸除遮蔽→喷涂罩光清漆→面漆烘干→面漆强冷→精饰抛光打磨。本发明在中涂漆和套色漆之间采用“湿碰湿”的工艺方法，达到简化工艺、提高效率、节省能耗和降低成本的目的。同时，减少一道烘干工序，使汽车车身免于过烘烤，提升了套色车车身漆膜的机械性能。The invention relates to a method for color registration and spraying of automobile surface paint, which comprises the following steps: intermediate coating spraying→flash drying→spraying color registration paint→drying→strong cooling→grinding→shading→spraying main color paint→flashing drying→removing masking→spraying Finishing varnish→topcoat drying→topcoat forced cooling→finishing and polishing. The invention adopts a "wet-on-wet" process method between the intermediate paint and the overcoat paint, so as to achieve the purposes of simplifying the process, improving efficiency, saving energy consumption and reducing cost. At the same time, a drying process is reduced, which prevents the car body from overbaking and improves the mechanical properties of the paint film on the car body.

Description

A kind of automobile table paint chromatography spraying method

Technical field

The present invention relates to a kind of vehicle spray painting method, relate in particular to a kind of automobile table paint chromatography spraying method that reduces technological process, increase work efficiency, reduce production costs.

Background technology

Along with the demand of client's individual requirement and some special vehicles (as taxi) etc., it is increasing that automobile table paint need to carry out the demand of chromatography spraying, and particularly chromatography car becomes the trend rising year by year with the market demand of chromatography picking-up vehicle.The general flow of current automobile table paint chromatography spraying coating process is: middle painting sprays paint → middle painting for dry → middle painting cold → middle painting polishing → chromatic jet printing paint → ovens dry by force → by force cold → polish → cover → do → removal of spraying mass-tone colored paint → sudden strain of a muscle cover → spray coating varnish → finish paint oven dry → finish paint by force cold → finishing polish polish.This method, processing step complexity, production efficiency is lower, and whole technique need to be through three oven dry, and energy resource consumption is larger, has increased production cost.

Summary of the invention

The present invention mainly solves original automobile table paint chromatography spraying coating process step complexity, and production efficiency is lower, need to be through three oven dry, and energy resource consumption is larger, the technical problem that production cost is higher; A kind of automobile table paint chromatography spraying method is provided, simplifies step, raise the efficiency, save energy consumption, reduce costs.

Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of automobile table paint chromatography spraying method of the present invention, comprises the steps:

(1). adopt in Control During Paint Spraying by Robot and paint in Zhong Tu paint spray booth;

(2). dodge dry;

(3). overlap colored paint in manual paint spray booth by hand spray;

(4). enter drying room and dry;

(5). enter strong cold house and make vehicle body pressure cooling;

(6). enter grinding chamber by the elimination of polishing of vehicle body holiday position;

(7). adopt masking paper and color separation adhesive tape to cover at cover colored paint position;

(8). adopt Control During Paint Spraying by Robot mass-tone colored paint in finish paint paint spray booth;

(9). dodge dry;

(10). removal masking paper and color separation adhesive tape;

(11). adopt Control During Paint Spraying by Robot coating varnish;

(12). enter finish paint drying room and dry;

(13). enter strong cold house and make vehicle body pressure cooling;

(14). vehicle body enters finish line and carries out polishing grinding.

The present invention adopts the process of " wet touch wet " between middle japanning and cover colored paint, omitted together dry, together strong cold-peace is polished operation together, reaches the object of simplifying technique, raising the efficiency, save energy consumption and reduce costs.Meanwhile, reduce one baking operation, make body of a motor car avoid overbaking, promoted the mechanical performance of chromatography car vehicle body paint film, as adhesive force, anti-hitting property of stone, paint film flexibility, resistance to impact etc.

As preferably, in described step (2) and step (9), dodge dry temperature and adopt paint spray booth's indoor temperature, be 17～38 DEG C, dodging the dry time is 80～100S.

As preferably, in described step (3), the thickness of hand spray cover colored paint is 15～20 μ m.

As preferably, the temperature of drying in described step (4) and step (12) is that 140～145 DEG C, time are 15～25min.

As preferably, in described step (5) and step (13), to force cooling temperature be that room temperature, time are 2～5min to vehicle body.Strong cold house is for the strong cold-working use after drying, and makes the temperature of surface of the work reach 35 DEG C of left and right after cold by force.Strong cold house adopts adjustable strong cold blowing mouth to blow outdoor new wind to surface, the workpiece whole body, and blow gun is distributed in the both sides of chamber body, and hot-air, outside exhaust blower discharge chamber, does not have a negative impact to workshop condition.

The invention has the beneficial effects as follows: between middle japanning and cover colored paint, adopt the process of " wetting, it is wet to touch ", reach the object of simplifying technique, raising the efficiency, save energy consumption and reduce costs.Meanwhile, reduce one baking operation, make body of a motor car avoid overbaking, promoted the mechanical performance of chromatography car vehicle body paint film.

Detailed description of the invention

Below by embodiment, technical scheme of the present invention is described in further detail.

Embodiment: a kind of automobile table paint chromatography spraying method of the present embodiment, comprises the steps:

(2). dodge and do, temperature is Zhong Tu paint spray booth room temperature (being generally 17～38 DEG C), and the time is 90S;

(3). overlap colored paint in manual paint spray booth by hand spray, thickness is 18 μ m;

(4). enter drying room and dry, temperature is that 140 DEG C, time are 20min;

(5). enter strong cold house and make vehicle body pressure cooling, the time is 4min;

(9). dodge and do, temperature is finish paint paint spray booth room temperature (being generally 17～38 DEG C), and the time is 90S;

(10). removal masking paper and color separation adhesive tape;

(11). adopt Control During Paint Spraying by Robot coating varnish;

(12). enter finish paint drying room and dry, temperature is that 140 DEG C, time are 20min;

(13). enter strong cold house and make vehicle body pressure cooling, the time is 4min;

(14). vehicle body enters finish line and carries out polishing grinding.

Temperature instantly due to what dodge that dry and strong cooling working procedure adopts, i.e. room temperature, therefore according to the difference of season and weather, the time of operation can be adjusted to some extent.The present invention simplifies step, raises the efficiency, and saves energy consumption, reduces costs.

Claims

1. a method for overcoating and spraying of automobile surface paint, is characterized in that comprising the steps:

(1). In the intermediate coating spray booth, the intermediate coating is applied by robot spraying;

(2). Flash-drying, the temperature of flash-drying adopts the indoor temperature of the spray booth, which is 17-38°C, and the flash-drying time is 80-100s;

(3). In the manual spraying room, the color-coating paint is sprayed manually, and the thickness of the color-coating paint is 15-20 μm;

(4). Enter the drying room for drying, the drying temperature is 140-145°C, and the drying time is 15-25 minutes;

(5). Enter the strong cold room to force the body to cool, the cooling temperature is room temperature, and the cooling time is 2 to 5 minutes;

(6). Enter the grinding room to grind and eliminate the defective parts of the body coating;

(7). Use masking paper and color separation tape to cover the colored paint part;

(8). Robots are used to spray the main color paint in the paint spray room;

(9). Flash-drying, the temperature of flash-drying adopts the indoor temperature of the spray booth, which is 17-38°C, and the flash-drying time is 80-100s;

(10). Remove the masking paper and color separation tape;

(11).Using robots to spray the finish varnish;

(12). Enter the finish paint drying room for drying, the drying temperature is 140-145°C, and the drying time is 15-25 minutes;

(13). Enter the strong cold room to force the body to cool, the cooling temperature is room temperature, and the cooling time is 2 to 5 minutes;

(14). The car body enters the finishing line for polishing and grinding.