JP2005007368A - Hanger for electrostatic powder coating - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hanger for electrostatic powder coating capable of dispensing with troublesome peeling treatment after coating and securing current-carrying performance thereafter. <P>SOLUTION: When the electrostatic powder coating of work W is carried out, in the hanger A for the electrostatic powder coating used for hanging the work W and carrying this into an electrostatic powder coating apparatus and carrying out from an electrostatic powder coating apparatus, the hanger A for the electrostatic powder coating includes a gate type hanger frame body 1 and a hanger body 2. The hanger frame body 1 is provided with a hook part 11 for current-carrying and a pair of connection parts 13 and 13 at a suitable place. The hanger body 2 is freely detachably constructed to the pair of connection parts 13 and 13, and also provided with a latching claw 21 of one or more which hangs and supports the work W. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hanger for electrostatic powder coating that is used to suspend the work and carry it in and out of an electrostatic powder coating apparatus when performing electrostatic powder coating on the work.
[0002]
[Prior art]
Conventionally, when performing electrostatic powder coating of a workpiece, an electrostatic powder coating hanger is used to suspend the workpiece and carry it in and out of an electrostatic powder coating apparatus.
[0003]
This electrostatic powder coating hanger is formed by integrally forming a gate-shaped hanger frame and a hanger body on which a plurality of latching claws for hanging and supporting the work are formed. A hook is provided.
[0004]
And after suspending the workpiece before painting on the hooking claws of the hanger body, it is carried into the electrostatic powder coating device and energized to the hook for energization. The work is also energized through the paint hanger.
[0005]
In this state, if the particles for powder coating are scattered in the apparatus, the particles for powder coating with a cathode are attracted and electrodeposited to the workpiece in an anodized state. Electrostatic powder coating can be applied.
[0006]
Thereafter, the workpiece is unloaded from the hanger body through a predetermined process such as baking, and the coating of the workpiece is completed (see, for example, Patent Document 1).
[0007]
[Patent Document 1]
Japanese Patent Laid-Open No. 2002-153779
[Problems to be solved by the invention]
However, when electrostatic powder coating is applied to the entire workpiece, electrostatic coating is applied to the electrostatic powder coating hanger at the same time. The electrostatic powder coating hanger coating had to be peeled off one by one, which was very laborious.
[0009]
The electrostatic powder coating hanger can be peeled off by, for example, (1) a method of immersing the electrostatic powder coating hanger in a chemical for peeling the coating, or (2) electrostatic powder by shot blasting. There were a method of peeling the coating on the coating hanger, and a method of peeling the coating by incinerating the coated electrostatic powder coating hanger in a furnace for incineration of the coating film.
[0010]
However, in the method (1), there are problems that it takes time to work, and the chemical treatment after use and the health of the worker due to the chemical are impaired.
[0011]
In the method (2), there is a problem that the electrostatic powder coating hanger is deformed when a steel ball or the like is hit. Moreover, since the surface once peeled off by hitting with a steel ball or the like becomes a rough textured surface, it is difficult to peel off after the second time.
[0012]
Therefore, the above method (3) is generally used. However, in the method (3), combustion gas is generated when the electrostatic powder coating hanger is incinerated in the furnace for incineration of the coating film. There's a problem. There is also a problem that the electrostatic powder coating hanger is deformed by high heat treatment.
[0013]
In view of such circumstances, the present invention has a structure in which the hanger frame body and the hanger body are detachable, and even if the electrostatic powder coating hanger is electrostatically coated, only the hanger body is replaced. An object of the present invention is to provide a hanger for electrostatic powder coating that can eliminate the troublesome subsequent peeling treatment and can secure the subsequent conductivity.
[0014]
[Means for Solving the Problems]
To achieve the above objective,
The electrostatic powder coating hanger according to claim 1 is an electrostatic powder used to suspend the workpiece and carry it in and out of the electrostatic powder coating device when performing electrostatic powder coating on the workpiece. A hanger for powder coating, wherein the hanger for electrostatic powder coating comprises a gate-shaped hanger frame and a hanger body, and the hanger frame has a current-carrying hook portion and a pair of connections at appropriate positions. The hanger body is detachably mounted on the pair of connection portions, and is provided with one or more latching claws that suspend and support the workpiece.
[0015]
With this structure, the hanger frame and hanger body can be attached and detached, and even if the electrostatic powder coating hanger is electrostatically coated, it is only necessary to replace the hanger body, eliminating the need for troublesome peeling treatment after painting. It is possible to secure the energization after that.
[0016]
A hanger for electrostatic powder coating according to a second aspect of the present invention is the hanger for electrostatic powder coating according to the first aspect, wherein the connecting portion has a spring property that is elastically biased toward the hanger body so as to be in close contact with the hanger body. It is characterized by.
[0017]
In this case, since the connecting portion is provided with a spring property so that the connecting portion and the hanger body installed are in close contact with each other, electrostatic contact is not applied to the closely attached portion. Further, it is possible to further secure the conductivity when only the hanger body is replaced.
[0018]
A hanger for electrostatic powder coating according to a third aspect of the present invention is the hanger for electrostatic powder coating according to any one of the first or second aspect, wherein the connection portion is provided with a cover body that is substantially entirely covered after the hanger body is installed. It is characterized by.
[0019]
In this case, by providing a cover body that covers almost the entire connection portion, the connection portion between the connection portion and the hanger body that is installed is not subjected to electrostatic coating, only the hanger body. It is possible to further secure the electrical conductivity when the is replaced.
[0020]
The electrostatic powder coating hanger according to claim 4 is characterized in that in any one of claims 1 to 3, at least a plurality of the pair of connection portions are provided, and at least two of the hanger bodies can be installed. And
[0021]
In this case, since at least two hanger bodies can be installed, the number of hanger bodies can be increased or decreased according to the number of workpieces to be painted, the size of the workpieces, etc., and unnecessary coating on the hanger bodies can be prevented. .
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the hanger A for electrostatic powder coating according to the present invention will be described with reference to the drawings.
[0022]
FIG. 1 is a perspective view showing an embodiment of a hanger A for electrostatic powder coating according to the present invention, and (a) is a perspective view showing a state in which a hanger frame and a hanger body are separated from each other. ) Shows a perspective view of a state where the hanger body is installed on the hanger frame. The details will be described below.
[0023]
The electrostatic powder coating hanger A includes a gate-shaped hanger frame 1 and a hanger body 2.
[0024]
On the upper end of the hanger frame 1, an energizing hook portion 11 is integrally formed.
[0025]
Moreover, the parallel leg part 12 arrange | positioned facing up and down forms the connection part 13 in each same position, and comprises a pair of connection parts 13 and 13. FIG.
[0026]
The connecting portion 13 of the present embodiment has a spring property that is elastically biased toward the hanger body 2 so as to be in close contact with the hanger body 2, and specifically, as shown in an enlarged view within a broken line. In addition, the connection portion 13 is fixed in a state where one end of the leaf spring is fixed to the leg portion 12 and is extended toward the front, then is bent upward, and is further slightly recessed toward the inside. The other end is erected upward to impart springiness.
[0027]
On the other hand, the hanger body 2 is detachably mounted on the pair of connection portions 13 and 13 and is provided with one or more hooking claws 21 that suspend and support the workpiece W.
[0028]
Specifically, the hanger body 2 has the hooking claws 21 that suspend and support the work W on metal strips formed in a length spanned by the pair of connection portions 13 and 13 at equal intervals. A plurality are provided.
[0029]
Here, the hooking claw 21 is illustrated as a fishhook-like hooking claw 21 in order to suspend and support a rain gutter support as the work W, for example. Of course, the shape of the pawl 21 is adopted as appropriate.
[0030]
If the hanger body 2 is inserted into the erection gap 14 of the connection portion 13 formed in this way from above, the connection portion is directed toward the hanger body 2 as shown in the enlarged view within the broken line in FIG. 13 is in close contact with the elastically biased state, and the connection part 13 and the hanger body 2 can be reliably energized.
[0031]
And after hanging the workpiece | work W before coating on the latching claw 21 of this hanger body 2, this is carried in in an electrostatic powder coating apparatus (not shown), and if it supplies with electricity to the hook 11 for electricity supply, a hanger will be carried out. The work W hooked on the hanger body 2 is also energized through the connection portion 13 of the frame body 1.
[0032]
If the powder coating is scattered in the apparatus in the energized state, the powder coating particles having the cathode are attracted to the workpiece W in the anode state and are electrodeposited. Electrostatic powder coating can be applied to the entire W.
[0033]
Thereafter, the workpiece W is carried out through a predetermined process such as baking, and is removed from the hanger body 2 to complete the coating of the workpiece W.
[0034]
Then, after the painting is completed, if the painted hanger body 2 is lightly tapped upward with a hand or a hammer, the coating film formed on the surface of the hanger body 2 and the connecting portion 13 is cut, and the hanger body 2 is hung. The frame 1 can be detached.
[0035]
At this time, the inner surface of the connecting portion 13 (the surface facing the hanger body 2) is in close contact with the hanger body 2, so that it is not painted and is a solid state before painting, Can be secured.
[0036]
Then, instead of the hanger body 2 that has been detached, a new hanger body (not shown) is installed on the hanger frame body 1 and electrostatic powder coating of other workpieces is performed in the same manner as described above.
[0037]
Thus, according to the electrostatic powder coating hanger A according to the present invention, since the hanger frame 1 and the hanger body 2 are detachable, electrostatic coating is performed on the electrostatic powder coating hanger A. However, by replacing only the hanger body 2 with a new one, a troublesome peeling process after painting can be made unnecessary, and the subsequent conductivity can be secured.
[0038]
Further, since the connecting portion 13 is provided with a spring property, the connecting portion 13 and the hanger body 2 installed are in close contact with each other. In addition, it is possible to further secure the conductivity when only the hanger body 2 is replaced.
[0039]
Furthermore, as shown in FIG. 1, if a plurality of pairs of connecting portions 13, 13 are provided on the hanger frame 1, at least two hanger bodies 2 (four in the drawing) can be installed.
[0040]
Therefore, the hanger body 2 can be increased or decreased according to the number of workpieces W to be painted, the size of the workpiece, etc., thereby preventing unnecessary painting on the hanger body 2 and minimizing the replacement work of the hanger body 2. it can.
[0041]
FIG. 2 is a perspective view showing another embodiment of the hanger A for electrostatic powder coating according to the present invention.
[0042]
Here, parts common to the parts shown in FIG. 1 are assigned common numbers, and the description thereof is omitted.
[0043]
This electrostatic powder coating hanger A is provided with a cover body 3 that covers substantially the entire connection portion 13 after the hanger body 2 is installed on the connection portion 13 in addition to that shown in FIG. There is a feature.
[0044]
The cover body 3 shown in FIG. 2 is made of a material that blocks particles for powder coating, such as a rubber material or a synthetic resin material, and is formed in a box shape with one surface open, and the upper end of the open surface. The claw piece 31 locked to the upper end of the connecting portion 13 is projected downward, and a notch recess 32 for penetrating the hanger body 2 is formed on the inner wall of the cover body 3. ing.
[0045]
Moreover, the cover body 3 may cover a part of the connection portion 13. In short, any cover material that can prevent the connection portion 13 from being coated after the hanger body 2 is installed can be employed.
[0046]
Such a cover body 3 is coated on the connecting portion 13 before electrostatic powder coating is performed, so that the connecting portion between the connecting portion 13 and the hanger body 2 installed is electrostatically coated. Can be reliably prevented.
[0047]
Therefore, by simply replacing the hanger body 2 with a new one, it is possible to eliminate the troublesome peeling process after painting, and further ensure the subsequent conductivity.
[0048]
In the case where the cover body 3 is provided, the connecting portion 13 as described above may not be provided with a spring property.
【The invention's effect】
The present invention has the following effects.
[0049]
According to the electrostatic powder coating hanger according to claim 1, the hanger frame and the hanger body are made detachable, and even if the electrostatic powder coating hanger is electrostatically coated, only the hanger body is replaced. As a result, it is possible to eliminate the troublesome peeling process after painting, and to secure the subsequent conductivity.
[0050]
According to the hanger for electrostatic powder coating according to claim 2, since the connecting portion is provided with a spring property so that the connecting portion and the hanger body installed are in close contact with each other. Is not subjected to electrostatic coating, and it is possible to further ensure the electrical conductivity when only the hanger body is replaced.
[0051]
According to the electrostatic powder coating hanger according to claim 3, by providing the cover body that covers substantially the entire connection portion, the connection portion between the connection portion and the hanger body that is installed is electrostatically coated. Is not applied, and it is possible to further ensure the conductivity when only the hanger body is replaced.
[0052]
According to the electrostatic powder coating hanger according to claim 4, since at least two hanger bodies can be installed, the number of hanger bodies can be increased or decreased according to the number of workpieces to be painted, the size of the workpieces, or the like. This can prevent unnecessary painting on the hanger body.
[Brief description of the drawings]
FIG. 1 is a perspective view showing one embodiment of a hanger A for electrostatic powder coating according to the present invention, wherein (a) is a perspective view showing a state where a hanger frame and a hanger body are separated from each other; ) Is a perspective view of a state in which the hanger body is installed on the hanger frame.
FIG. 2 is a perspective view showing another embodiment of the electrostatic powder coating hanger A according to the present invention.
[Explanation of symbols]
A Electrostatic powder coating hanger W Work piece 1 Hanger frame 11 Hook portion 13 for energization 2 Connection portion 2 Hanger body 21 Hook claw 3 Cover body

Claims (4)

An electrostatic powder coating hanger that is used to hang the workpiece and carry it into and out of an electrostatic powder coating apparatus when performing electrostatic powder coating on the workpiece,
The electrostatic powder coating hanger comprises a portal hanger frame and a hanger body,
The hanger frame includes an energization hook portion and a pair of connection portions at appropriate positions,
A hanger for electrostatic powder coating, wherein the hanger body is detachably mounted on the pair of connection portions and is provided with one or more hooking claws for hanging and supporting the work. In claim 1,
A hanger for electrostatic powder coating, wherein the connecting portion has a spring property that is elastically biased toward the hanger body so as to be in close contact with the hanger body. In either claim 1 or 2,
A hanger for electrostatic powder coating, wherein a cover body that covers substantially the whole is provided after the hanger body is installed at the connection portion. In any one of Claims 1-3,
A hanger for electrostatic powder coating, wherein at least a plurality of the pair of connection portions are provided, and at least two of the hanger bodies can be installed.

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