JPH0348220Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to an electrolytic coating bath jig for holding a coated article in a bath liquid during plating or electrodeposition coating.

[Conventional technology]

As is well known, during electroplating, chemical plating, or electrodeposition painting, a suspension transfer device is used to move between baths containing bath liquids such as solutions in which metals or resins are dissolved or dispersed, or cleaning solutions. The coated articles to be immersed in each bath liquid are held by an electrolytic coating bath jig 27, such as a so-called hook, as shown in FIG. Such an electrolytic coating bath jig 27 is
Although it has various shapes designed to suit the coated article, basically, as shown in FIG.
A large number of latching protrusions 30 are provided on the outer circumferential surface of the holder at appropriate intervals so as to efficiently latching a large number of coated articles. Such electrolytic coating bath jig 2
The latching protrusions 30 at No. 7 are provided so as to facilitate the hooking and removal of the covered article, and to hang the coated article at an angle that reduces the amount of bath liquid drawn out when moving between bathtubs. Moreover, this electrolytic coating bath jig 27
The material is made of highly conductive metal, etc.
Its surface is coated with polyethylene resin or the like, except for the contact points with the covered article that is hooked to the hooking protrusion 30,
It is completely insulated to increase coverage efficiency. The coated article is made of such an electrolytic coating bath jig 2.
7, and was immersed in a bath liquid at a constant angle of inclination and plated or electrodeposited.

[Problem to be solved by the invention] However, the coated article is a jig for electrolytic coating 27
Therefore, if the coated article has a complicated uneven shape, there will be parts where the bath liquid does not come into contact with the coated article, resulting in poor throwing power. In particular, when the coated article has impenetrable holes, there is a problem that even if the electrolytic coating is performed while stirring the bath liquid, the air remaining in the holes cannot be removed, resulting in parts not being coated. .

[Means to solve the problem]

This idea was devised in view of the above circumstances, and the method is to suspend the electrolytic coating bath jig from a support that moves up and down above the bath liquid tank containing the bath liquid. A hanging support member provided with a tool, two horizontal bars rotatably connected at the center portions at the upper and lower positions of the hanging support member, and two horizontal bars connected at the upper and lower ends at the left and right sides of the hanging support member, respectively. a variable parallel link member consisting of at least two vertical bars rotatably connected to a horizontal bar and having a plurality of hooks on the outer peripheral surface thereof; and the variable parallel link member that moves up and down together with the hanging support member. a supporting member that supports one side of the suspended support member to stop its downward movement and performs a link operation so as to change the distance between parallel horizontal bars and vertical bars that face each other; and an abutment member having one end fixed to the variable parallel link member and the other end abutting the other side of the variable parallel link member with the suspension support member as a boundary, thereby regulating the link operation.

[Effect]

According to the above-mentioned means, the suspension member provided with the hanging tool that is suspended from the support that moves up and down above the bath liquid tank containing the bath liquid can freely rotate the central portion at the upper and lower positions of the suspension support member. a variable parallel link member consisting of two horizontal bars connected to the suspension member, and at least two vertical bars whose upper and lower ends are rotatably connected to the two horizontal bars on the left and right sides of the hanging support member, respectively; are connected and held, and the hanging support member moves up and down together with the support to immerse the variable parallel link member into a bath containing bath liquid. At this time, the support member that supports one side of the variable parallel link member that is descending, with the hanging support member as a border, stops the downward movement of this one side, so that the variable parallel link member that is descending further Only the other side of the material is lowered, and the variable parallel link member performs a link operation to change the distance between the parallel horizontal bars and vertical bars that face each other. Due to this link operation, among at least two vertical bars having a plurality of hooks on the outer peripheral surface thereof, the vertical bar whose connection position with the horizontal bar is on the other side of the hanging support member is lowered more. Therefore, a vertical shift occurs in the positional relationship of the hooks between one vertical bar and the other vertical bars. When the variable parallel link member is raised by the hanging support member, the link operation described above is performed in reverse, and the other side of the variable parallel link member with the hanging support member as a border rises, and one vertical bar and the other The positional relationship of the hanging tool with the vertical bar is also reversed from the state during the lowering of the hanging support member. Furthermore, when the hanging support member rises, the other end of the abutting member, which is partially fixed to the hanging support member, comes into contact with the other side of the variable parallel link member with the hanging support member as the boundary. The parallel link members are regulated in their linking motion, and the vertical displacement of the hooks from one vertical bar to another is regulated.

〔Example〕

An embodiment of this invention will be described below based on the drawings.

As shown in FIGS. 1 to 6, an electrolytic coating bath jig 1, which is a first embodiment of this invention, is suspended from a support 3 that moves up and down above a bath liquid tank 2 containing bath liquid. A hanging support member 5 equipped with a hanging tool 4, and the hanging support member 5
The upper and lower ends of two horizontal bars 7a and 7b each having long plate-like members 6 facing each other and the upper and lower ends of the hanging support member 5 are connected so that the center portions thereof can be rotated at the upper and lower positions of A variable parallel link formed from four vertical bars 9a, 9b, 9c, 9d which are rotatably connected to two horizontal bars 7a, 7b and have a plurality of hooks 8 on their outer peripheral surfaces. The member 10, a hook-shaped hook member 11 formed by extending and bending the upper end of a vertical bar 9d located on one side of the hanging support member 5, and a fixing rod 12 whose both ends are fixed to the bath tank 2. a support member 13 consisting of a support member 13, and an abutting member 1 having one end fixed to the upper outer peripheral surface of the hanging support member 5 and protruding to the other side with the hanging support member 5 of the variable parallel link member 10 as a border.
It consists of 4.

Of these, the hanging support member 5 and the two horizontal bars 7a, 7b
are rotatably connected by a pin 15,
The connecting position is shifted slightly to the left in FIG. 1 from the center of the horizontal bars 7a, 7b. Among the vertical bars 9a, 9b, 9c, and 9d described above, the upper and lower ends of the vertical bars 9a and 9d are rotatably connected to the left and right ends of such horizontal bars 7a and 7b by pins 16. The bars 9b and 9c are rotatably connected to the horizontal bars 7a and 7b by pins 16 at their upper ends at appropriate intervals from the vertical bars 9a and 9d, respectively. At this time, the lower ends of the vertical bars 9b and 9c are connected to the hanging support member 5.
They are suspended in a gap between opposing long plate-like members 6 that form a set of horizontal bars 7b with the horizontal bars 7b sandwiched therebetween. By doing this, the vertical bars 9b, 9c during link operation
The lower end of the holder swings left and right, but as a stopper 17 to properly control this swing, a pin-like stopper 17 is used to connect the two long plate-like members 6, as shown in FIG. has been established. The hanging tool 8 has vertical bars 9a, 9b,
A coated article 19 of any shape is a rod-shaped protrusion protruding in two directions from the outer circumferential surface of 9c and 9d, and extends over adjacent vertical bars 9a and 9b or between vertical bars 9c and 9d. They are provided at appropriate intervals so that they can be latched. The hooking member 11 is provided in a hook shape by extending and bending the upper end of the vertical bar 9d, and the fixing bar 12 is held by a receiver 20 fixed above the bath tank 2 as shown in FIG. , this hook member 1
1 is caught. The abutment member 14 is a plate-shaped member having one end fixed to the upper outer circumferential surface of the suspension support member 5, and is configured to support the suspension support member 5 of the raised horizontal bar 7a by the link operation of the variable parallel link member 10. It comes into contact with the upper surface of the other side of the border and restricts the link operation.

To use such an electrolytic coating bath jig 1, proceed as follows.

First, as shown in FIG. 4, the hanging tool 4 of the hanging support member 5 is suspended from the supporting tool 3, and a large number of covered articles 19 are attached to the vertical bars 9a, 9b, 9c, and 9d via the hanging tools 8. Hang it so that it straddles it. When the support 3 is lowered, the hook member 11 is engaged with the fixed rod 12 held by the receiver 20 provided in the bath liquid tank 2, and the weight of the coated article 19 and the variable parallel link member 10 are balanced. Therefore, the horizontal bars 7a and 7b, which were in a downward-sloping state in FIG. 4, become horizontal. When the support 3 further descends, the variable parallel link member 10 performs a linking operation until the horizontal bars 7a, 7b are raised upward to the right as shown in FIG. The coated article 19 is a vertical bar 9 that moves up and down with such a link operation.
a, 9b or 9c, 9d and is hooked to the hook 8, so that it is immersed in the bath liquid while tilting.
By moving the electrolytic coating bath jig 1 up and down several more times using the support 3, the air remaining in the uneven surface, impenetrable holes, etc. of the coated article 19 is completely evacuated.

In FIGS. 4 and 5, the fixing rod 12 is shown held by a receiver 20 fixed to the bath tank 2, but as shown in FIG. The fixed rod 12 may be suspended from the moving support 3 via the suspension device 23, and the fixed rod 12 may be moved together with the support 3 above the bath tank 2. Such a suspension device 23 is equipped with a hook 24 at the lower end, and before the electrolytic coating bath jig 1 is lowered by the support device 3, the fixing rod 12 is attached to a support fixed to the bath liquid tank 2. Since it is held by the tool 20, the hook member 11 has the same effect as described above, and the fixing rod 12 does not interfere with other operations.

A second embodiment of this invention is based on the support member 1 described above.
3 is made into a floating member 25 that floats on the bath liquid in the bath liquid tank 2, as shown in FIG.

Incidentally, the same constituent members as those of the first embodiment described above are given the same reference numerals, and the explanation thereof will be omitted.

The floating member 25 is not easily eroded by the bath liquid,
It is formed into a rectangular parallelepiped, cylinder, etc. of an appropriate size using a material such as a foamed synthetic resin with a low specific gravity, and a vertical bar 9d is formed.
It is fixed to the upper end of the bar 26 whose upper end is extended, and supports one side of the variable parallel link member 10 immersed in the bath liquid, with the hanging support member 5 as a border, upward by buoyancy. It is something to do. In this way, when the electrolytic coating bath jig 1 is suspended above the bath liquid tank 2 by the support 3, the floating member 25 does not support one side of the variable parallel link member 10. When the support 3 is lowered and the variable parallel link member 10 is immersed in the bath liquid, it supports one side of the variable parallel link member 10 and stops its downward movement, so it is similar to the support member 13 described above. This has the advantage that the fixing rod 12 is not required.

The support member 13 is not limited to the first and second embodiments described above, and the variable parallel link member 10 may be linked by a drive motor (not shown) with a cam mechanism. It's okay to be hot. Further, the horizontal bars 7a and 7b of the first and second embodiments described above are shown as having a set of two long plate-shaped members 6 that face each other, but they are made of a single long plate. It may be a shaped member or a single rod-shaped member, and may be rotatably attached to the outer peripheral surface of the hanging support member 5 with a pin 15. Also, the hanging support member 5 is the horizontal bar 7.
The position where a and 7b are rotatably connected by the pin 15 is not particularly limited as long as it is at the center of the horizontal bars 7a and 7b or a position appropriately offset from this. Furthermore, the lower ends of the vertical bars 9b, 9c are
The horizontal bar 7b does not have to hang down so that it can swing freely.
It may be rotatably connected to. The hook member 11 may not only support the upper end of the vertical bar 9d, but may also hook the other vertical bars 9a, 9b, 9c or the horizontal bars 7a, 7b at appropriate positions on the fixing bar 12. In this case, if the abutting member 14 is on the other side of the hanging member 13 of the variable parallel link member 10 with respect to the hanging member 13, it may be a suitable member with one end fixed at an appropriate position on the outer peripheral surface of the hanging member 5. It can be provided in the form of a rod or a plate. Also, hanging tool 8
There are no particular restrictions on the shape or the number of them.

[Effect of idea]

As is clear from the above explanation, according to the electrolytic coating bath jig of this invention, the coated articles dipped in the bath liquid are electrolyzed, and the coated articles are dipped in the bath liquid and are hung on the hooks so as to span adjacent vertical bars. As the inclination is appropriately repeated by the link operation of the variable parallel link member as the coating bath jig moves up and down, the bath liquid comes into sufficient contact with the coated article having a complicated uneven shape, and the throwing power is improved. Even when the coated article has impenetrable holes or the like, there is an advantage that air can escape through the holes and the coating such as plating or electrodeposition coating can be completed.

[Brief explanation of the drawing]

Figures 1 to 6 show the first embodiment of this invention, with Figure 1 being a perspective view, Figure 2 being a top view, Figure 3 being a bottom view, and Figures 4 and 5 showing the state in use. FIG. 6 is a front view for explaining another usage state, FIG. 7 is a front view for explaining the second embodiment, and FIG. 8 is a perspective view for explaining the conventional example. 1... Electrolytic coating bath jig, 2... Bath liquid tank, 3...
...Supporting tool, 4... Hanging tool, 5... Hanging support member, 7a,
7b... Horizontal bar, 8... Hanging tool, 9a, 9b, 9
c, 9d... Vertical bar, 10... Variable parallel link member, 11... Hook member, 12... Fixed bar, 13...
...Supporting member, 14...Abutment member.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A hanging support member equipped with a hanging tool that hangs from a support that moves up and down above a bath liquid tank containing bath liquid, and The upper and lower ends of the hanging support members are rotatably connected to the two horizontal bars on the left and right sides of the hanging support member, respectively, and a plurality of hooks are provided on the outer peripheral surface thereof. A variable parallel link member consisting of at least two vertical bars having stops, and a variable parallel link member that moves up and down together with the hanging support member, supporting one side of the hanging support member and moving downwardly thereof. a support member that is linked so as to stop the movement of the parallel horizontal bars and vertical bars that face each other and change the distance between them; and a suspended support member having one end fixed to the suspended support member and the other end of the variable parallel link member. A jig for an electrolytic coating bath consisting of a contact member that abuts on the other side of the material and restricts link movement. (2) The electrolytic coating bath jig according to claim 1, wherein the support member is a hook member that is hooked on a fixing rod fixed above the bath liquid tank. (3) The electrolytic coating bath jig according to claim 1, wherein the support member is a floating member floating on the bath liquid in the bath liquid tank.