Spraying method of deficient spraying resistance primer
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A primer and leak-proof technology, which is applied to the device and coating of the surface coating liquid, which can solve the problems of missing primer and failure to find defective products, etc.
Inactive Publication Date: 2010-06-09
WUXI HUANENG SURFACE TREATMENT
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[0013] The present invention aims to overcome the disadvantages of missed primer spraying and failure to find defective products in the double-spraying process described in the background technology, and invents a new
Method used
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Embodiment 1
[0038] Embodiment one, such as figure 1 As shown, it is mainly for the glue spraying method of 1 bottom and 1 surface when the environmental conditions are suitable for workpieces that do not need to be preheated. Specific steps are as follows:
[0039] 1. Loading: Install the newly installed workpiece A (represented by "A" below), and ensure that there is a workpiece A1 (represented by "A1" below) sprayed with primer at the back of A at this time, so that A1 and A are staggered ;
[0040] 2. Stepping: The rotary table moves forward in one direction (for example, counterclockwise), and each time it moves forward by 2M (at this time M=1), that is, 2 stations. Since the total station is according to the formula M (4M+1)±2MN setting, in this way, the workpiece will always miss 1 station during the stepping process, at this time A1 steps to the surface glue spray gun position of the gluing station, and A steps to the gluing worker position of the primer spray gun;
[0041] 3. ...
Embodiment 2
[0050] Embodiment two, such as figure 2As shown, it is mainly for the glue spraying method of 2 preheating, 2 bottom and 2 surfaces when the environmental conditions need to preheat the workpiece. Among them, the preheated (dehumidified) workpiece is represented by "B". Specific steps are as follows:
[0051] Loading: Load the workpiece A to be sprayed, so that B, A1, and A are arranged in a staggered manner;
[0052] Stepping: The rotary table moves forward in one direction (for example, counterclockwise), each time stepping forward 3M (at this time M=2), that is, 6 stations, since the total station is according to the formula M(6M +2) ±3MN setting, in this way, the workpiece will always pass through 2 stations during the stepping process. At this time, B steps to the primer spray gun position of the gluing station, and A1 steps to the gluing station. At the position of the surface glue spray gun, A steps to the preheating reserved station of the gluing station;
[0053]...
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Abstract
The invention discloses a spraying method of a deficient spraying resistance primer in the double-spraying technology. The method of the invention comprises the following keys: the primer and top-adhesive are sprayed on one same spraying station, then the preheating is performed (optional), the primer and top-adhesive are dried at one same drying station, when the material is charged, the preheated workpieces (optional), workpieces which are just assembled and workpieces sprayed with the primer are staggered, the step control is realized by using a program, when the material is discharged, the visual check of the workpieces sprayed with the primer is performed, and the workpieces which has deficient spraying detected by the visual check the are taken out of the platform. Therefore, when the workpieces sprayed with the primer appear in the detection sight of operators before the spraying of the top-adhesive, the workpieces which are not sprayed with the primer can be timely found and taken out, and the operators or technicians can be prompted that fault may exist in the primer spraying stations and the further confirmation or exclusion is needed.
Description
technical field [0001] The invention relates to a glue spraying method for leak-proof spraying primer during the double glue spraying process on the surface of plastic, rubber and metal parts, including primer and surface glue. Background technique [0002] Now, the surfaces of many small plastic, rubber, and metal parts used in various fields, including the outer surface and inner surface, need to be sprayed with glue or painted (hereinafter collectively referred to as glue spray, the same for all texts), in order to achieve adhesion, beauty, and durability. Grinding, anti-corrosion and other functions. Generally, in the process of spraying glue, first spray primer or primer (hereinafter collectively referred to as spray primer, the same for the full text) to increase adhesion and environmental resistance, and then spray the surface glue or topcoat (hereinafter collectively referred to as spray surface glue, the same for the full text) ), where the main components of the b...
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Application Information
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