CN212189676U

CN212189676U - Tool for increasing painting rate in electrostatic painting

Info

Publication number: CN212189676U
Application number: CN201922496054.2U
Authority: CN
Inventors: 李汶泽; 何杰周
Original assignee: Qingyuan Minhui Auto Parts Co ltd
Current assignee: Qingyuan Minhui Auto Parts Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-12-22
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a tool for increasing painting rate in electrostatic painting, which comprises a tool base capable of being grounded, a plurality of profiling blocks and a conductive connecting piece, wherein the profiling blocks are used for positioning a workpiece to be painted and are fixed on the tool base through mounting rods; the conductive connecting piece is provided with a first end which is detachably connected to the workpiece to be sprayed and a second end which is detachably connected to the tool base. The workpiece to be sprayed is grounded through the conductive connecting piece, static electricity of the workpiece is released, the probability that particles are adsorbed on the workpiece during spraying is reduced, and the offline qualification rate is improved. Just the utility model discloses can increase the application japanning rate in the spraying, product surface levelling nature is better, and the surface is fuller. The amount of paint is reduced, thereby saving the cost.

Description

Tool for increasing painting rate in electrostatic painting

Technical Field

The utility model relates to a frock in the automobile parts spraying production research field especially relates to a frock of electrostatic coating increase japanning rate.

Background

The coating method is a process of coating a thin and uniform coating on the surface of an object to be coated. The most common method for spraying plastic ornaments in the automotive industry is spraying. The main coating methods mainly adopted by our company are air and electrostatic spraying. The electrostatic rotary cup spraying is efficient, and after the colored paint spraying is flashed, the surface resistance value is large, the electric conduction effect is poor, so that varnish air gun spraying is needed to be carried out firstly, a wet film is formed on the surface of a workpiece, the surface electric conductivity of the workpiece is improved, and the high efficiency of an electrostatic gun is exerted. Wherein, the paint painting rate is also called paint transfer efficiency, namely: the proportion of partial paint attached to the object to be painted to the whole paint after the paint is painted. The larger the ratio of the painting rate is, the higher the effective rate of the paint is, and the lower the amount of the paint sprayed with the high painting rate is under the standard of ensuring the same thickness of the sprayed film of the product. However, air and electrostatic spraying is adopted at present, the painting rate is about 15-40%, and the painting rate for grid products is lower; the off-line qualification rate is lower, especially for large products, such as rear license plates, grids, empennages and the like, the electrostatic adsorption force is stronger because the paint is conductive during spraying, and particles are also easily adsorbed on the products during paint spraying.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide a frock that electrostatic coating increases the japanning rate, through wire connecting piece direct or indirect with work piece ground connection, with the electrostatic discharge of work piece, the probability of grain absorption on the work piece when reducing the spraying improves the off-line qualification rate.

According to the utility model discloses an embodiment of the first aspect provides a frock of electrostatic coating increase lacquering rate, include:

the tool base can be grounded;

the profiling blocks are used for positioning a workpiece to be sprayed and are fixed on the tool base through mounting rods;

the conductive connecting piece is detachably connected to the first end of the workpiece to be sprayed and detachably connected to the second end of the tooling base.

According to the utility model discloses the frock of first aspect embodiment, first end is electrically conductive clip, the second end is electrically conductive clip, and first end and second end pass through the wire and connect.

According to the utility model discloses the first aspect embodiment the frock, first end is the conductive clip, the second end is the conducting rod, be equipped with the mounting hole that can hold conducting rod one end on the frock base, first end and second end pass through the wire and connect.

According to the utility model discloses the first aspect embodiment the frock, the resistance of electrically conductive connecting piece is 0.02 ~ 0.03 omega.

According to the utility model discloses the first aspect embodiment the frock, still including the platform truck that is used for loading the frock base, the frock base passes through platform truck ground connection.

The utility model has the advantages that: the utility model discloses a conductive connecting piece will treat spraying work piece ground connection, and the static of release work piece, the probability of grain absorption on the work piece when reducing the spraying improves the off-line qualification rate. Just the utility model discloses can increase the application japanning rate in the spraying, product surface levelling nature is better, and the surface is fuller. The amount of paint is reduced, thereby saving the cost.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

FIG. 1 is a schematic structural view of an embodiment of the present invention during operation;

fig. 2 is a first schematic structural diagram of a conductive connecting member according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a conductive connecting member according to an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, the tool for increasing the painting rate in electrostatic painting comprises a tool base 14 capable of being grounded and a plurality of profiling blocks 11 for positioning a workpiece 12 to be painted, wherein the profiling blocks 11 are fixed on the tool base 14 through mounting rods 13; the conductive connector 15 has a first end 151 removably attached to the workpiece 12 to be painted and a second end 152 removably attached to the tooling base 14. Wherein the dashed line in fig. 1 indicates the workpiece 12 to be sprayed. Static revolves cup 10 and spouts the paint of taking the negative charge, and in the spraying process, first end 151 is connected on treating spraying work piece 12, and second end 152 is connected on tooling base 14 for treating that spraying work piece 12 passes through tooling base 14 and realizes ground connection, will treat that the positive charge of spraying work piece 12 derives, and the probability of grain point absorption on the work piece improves off-line qualification rate when reducing the spraying. Just the utility model discloses can increase the application japanning rate in the spraying, product surface levelling nature is better, and the surface is fuller. The amount of paint is reduced, thereby saving the cost.

In some embodiments, as shown in fig. 2, the first end 151 is a conductive clip, the second end 152 is a conductive clip, and the first end 151 and the second end 152 are connected by a wire 153. In the spraying process, one conductive clamp is clamped on the workpiece 12 to be sprayed, and the other conductive clamp is clamped on the tooling base 14, so that the workpiece 12 to be sprayed is grounded through the tooling base 14, the static electricity of the workpiece is released, the probability that particles are adsorbed on the workpiece during spraying is reduced, and the offline qualification rate is improved. Just the utility model discloses can increase the application japanning rate in the spraying, product surface levelling nature is better, and the surface is fuller. The amount of paint is reduced, thereby saving the cost.

In some embodiments, as shown in fig. 3, the first end 151 is a conductive clip, the second end 152 is a conductive rod, a mounting hole capable of receiving one end of the conductive rod is formed on the tool base 14, and the first end 151 and the second end 152 are connected by a wire 153. In the spraying process, the conductive clamp is clamped on the workpiece 12 to be sprayed, and after the conductive rod is inserted into the mounting hole, the workpiece 12 to be sprayed is grounded through the tool base 14, static electricity of the workpiece is released, the probability that particles are adsorbed on the workpiece in the spraying process is reduced, and the offline qualification rate is improved. Just the utility model discloses can increase the application japanning rate in the spraying, product surface levelling nature is better, and the surface is fuller. The amount of paint is reduced, thereby saving the cost.

In some embodiments, the resistance of the conductive connection member 15 is 0.02-0.03 Ω. Table 1 comparison of resistance parameters before and after improvement, in which the resistance of the conductive connecting member 15 was 0.021 Ω. Table 2 shows the comparison of the paint application rate before and after improvement.

TABLE 1

TABLE 2

In some embodiments, the tool base further comprises a trolley for loading the tool base 14, and the tool base 14 is grounded through the trolley. In the spraying process, the tooling base 14 is installed on a trolley, the trolley can conduct electricity, the trolley moves along a guide rail, and the guide rail is grounded.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides a frock of electrostatic coating increase lacquering rate which characterized in that includes:

the tool base can be grounded;

2. The electrostatic painting tool for increasing the painting rate according to claim 1, characterized in that: the first end is a conductive clip, the second end is a conductive clip, and the first end and the second end are connected through a wire.

3. The electrostatic painting tool for increasing the painting rate according to claim 1, characterized in that: the fixture base is provided with a mounting hole capable of accommodating one end of the conducting rod, and the first end is connected with the second end through a wire.

4. The electrostatic painting tool for increasing the painting rate according to claim 1, characterized in that: the resistance of the conductive connecting piece is 0.02-0.03 omega.

5. The electrostatic painting tool for increasing the painting rate according to claim 1, characterized in that: still including the platform truck that is used for loading the frock base, the frock base passes through platform truck ground connection.