JPH0627657Y2 - Plate-shaped object holding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a holding device for supporting an object to be processed when a plate-like object such as a printed board is subjected to surface treatment such as plating. Regarding

[Prior Art] Conventionally, in a surface treatment apparatus for a plate-shaped object to be processed w such as a printed board, in order to suspend the object to be processed w on a hanger h, as shown in FIG. A holding device a composed of two pieces of holding rods d and e, which are rotatably connected to each other and are urged in the approaching direction about a connecting shaft b by the action of a spring c, is fixed to a hanger h, and the holding rod is fixed. The workpiece w was sandwiched between the bite ends of d and e.

[Problems to be Solved by the Invention] The spring c, which gives the clamping force to the clamping rods d and e, is dissolved and consumed by being immersed in a chemical agent, or the spring pressure changes due to the adhesion of the plating to clamp the object to be treated. It is likely to be impossible and, therefore, needs to be replaced as appropriate. However, in the conventional structure, the spring c is interposed between the holding rods d and e, and both end edges thereof are joined to the inner faces of the holding rods d and e by welding or the like, or they are fixed by screws. Couldn't let go
The entire holding device had to be replaced.

Further, since the spring c is interposed between the sandwiching rods d and e, it limits the opening degree of the sandwiching rod pair d and e.
For this reason, when the plate-shaped object w is to be automatically attached and detached, it is necessary to supply the object w from the side, but it is difficult to supply the object w from the side, and automation is required. It was blocking. As disclosed in Japanese Patent Application No. 63-159732, a structure is also proposed in which the movable holding rod can be raised along the fixed holding rod so that the object w to be processed can be supplied from the side. However, such a configuration has a drawback that the structure is complicated.

An object of the present invention is to provide a plate-shaped object holding device in which a spring can be easily attached and detached and a widening angle of a pair of holding rods can be set.

[Means for Solving the Problems] In the present invention, a fixed holding rod and a rotary holding rod are pivotally supported by connecting shafts so that respective bite ends provided at respective ends face each other, and both holding members are held. The end edges of the ring-shaped spring are respectively fitted into the fitting holes formed on the outer surface of the rod by the reducing elastic force, and the ring-shaped springs urge both the bite ends in the approaching direction, and the fixed clamping is performed. The present invention relates to a device for holding a plate-shaped object to be processed, wherein a rod is fixed to a hanger so that the plate-shaped object to be held is sandwiched by the pair of bite edges.

[Operation] In the above configuration, the plate-shaped object is clamped by the pair of biting end edges formed on the fixed clamping rod and the rotary clamping rod by the reducing elastic force of the ring-shaped spring.

In addition, by pressing the rear end of the rotating holding rod against the diameter reducing elastic force, the rotating holding rod is rotated about the connecting shaft,
The plate-shaped object to be processed is released.

To detach the ring-shaped spring, the spring is expanded against the elastic force of the diameter reduction so that both ends of the holding rod can be removed from the fitting holes and can be removed. When mounting the spring, similarly open the spring, and then apply both ends to the fitting holes to restore the diameter-reducing elastic force, so that each end edge fits into the fitting hole. Will be done.

Both sandwiching rods also have a function as a conductive path for supplying power to the plate-shaped object to be processed, and the hanger is electrically connected to the power supply member on the required electrolytic cell so that the plate-shaped object is provided in the required electrolytic cell. The processed product is supplied with power from the sandwiching rod to be plated.

[Embodiment] An embodiment of the present invention will be described with reference to the accompanying drawings.

In FIG. 1, reference numeral 1 denotes a hanger in which a plurality of holding devices 6 that bite on both side edges of a plate-shaped object to be processed w are attached to both side rods of a rectangular support frame 5, and hooks 2 are provided at both side ends thereof. 2 are erected. The hanger 1 is carried by the carrier by hooking the hooks 2 and 2 on the lifting hook 3 of the carrier (not shown), and is supported by the pedestal 4 formed on the side edge of the appropriate processing tank T. Thus, the plate-shaped object w held by the holding device 6 of the hanger 1 is immersed in the processing tank T.

Next, regarding the configuration of the holding device 6 according to the main part of the present invention,
This will be described with reference to FIGS.

Reference numeral 7 is a fixed holding rod fixed to the rectangular support frame 5 of the hanger 1 by means such as screw fixing or welding, and a projecting bite end 8 is formed at the inner end thereof. Further, the other end of the fixed holding rod 7 does not protrude from the side of the rectangular support frame 5, and the shaft support pieces 9 and 9 are projected on the rectangular support frame 5. Then, by mounting the shaft support piece 11 of the movable holding rod 10 between the shaft support pieces 9 and 9 and inserting the connecting shaft 12 into the shaft support pieces 9, 11 and 9, the movable holding rod 10 is fixed and held. It is pivotally supported on the rod 7. In addition, the movable holding rod 1
A projecting bite end 13 is also formed at the inner end of 0 and faces the bite end 8.

The movable holding rod 10 is about twice as long as the fixed holding rod 7, and a substantially half portion of the movable holding rod 10 extends laterally from the rectangular support frame 5 to form an operating portion 14. Therefore, the operation portion 14 is not prevented from tilting by the fixed holding rod 7.

The fixed holding rod 7 and the movable holding rod 10 have fitting holes 16a and 16b (third and third fitting holes) on the inner side surfaces of the rectangular support frame 5, respectively.
4) is formed.

The respective edges of the double-wound ring-shaped spring 20 are fitted into the fitting holes 16a and 16b by its diameter reducing elastic force. The ring-shaped spring 20 is attached so as to surround the side rod portion of the rectangular support frame 5, and the operating portion 14 is positioned between the double rings to prevent the operation portion 14 from rotating. I try not to become. The ring-shaped spring 20 contracts in the diameter-reducing direction to give an elastic force to the tip of the bite end 13. And
Due to this reduced diameter elastic force, the bite ends 8 and 13 are urged in the approaching direction, so that the plate-shaped workpiece w is bite and supported between the bite ends 8 and 13.

The fixed holding rod 7 and the movable holding rod 10 are electrically connected to the hanger 1 that is electrically connected to the power feeding member on the required electrolytic bath, and have a function as a conductive path for feeding power to the plate-shaped workpiece w. There is. In the required electrolytic bath, the plate-like object w is supplied with power from the bite ends 8 and 13 to perform plating or the like.

In the case where the plate-shaped workpiece w is automatically attached to and detached from the holding device 6 at a predetermined position of the surface treatment device,
As shown in the figure, an opening device 22 such as an air cylinder is arranged at a position facing the operating portion 14 at the detaching portion, and the rod 23 is extended to move the operating portion 14 as shown by the arrow in the figure. It suffices that the movable holding rod 10 is tilted about the connecting shaft 12 by pressing, and the bite ends 8 and 13 are separated from each other against the contracting elastic force of the ring-shaped spring 20. At this time, a spring is not interposed between the fixed holding rod 7 and the movable holding rod 10 unlike the conventional structure, and the fixed holding rod 7 is connected to the connecting shaft 12
Since it does not protrude from the rear part, the tilting angle of the movable holding rod 10 can be made large, and therefore the plate-like object w to be treated from the opposite direction of the bite end 8 as shown in FIG. It can be supplied, its mounting work becomes easy, and it is suitable for automation.

When the surface treatment process is repeated, the ring-shaped spring 20
It is corroded by the chemical solution and consumed, or plating adheres to reduce the spring elasticity, and the supporting force for the plate-shaped object w is reduced. Therefore, it is necessary to replace the ring-shaped spring 20 appropriately. In this case, as shown in FIG. 4, the ring-shaped spring 20 can be easily removed by expanding the ring-shaped spring 20 in the direction of the arrow against the diameter-reducing elasticity and pulling out both ends from the fitting holes 16a, 16b. . Then, at the time of attachment, similarly, both ends are widened against the contracting elastic force of the ring-shaped spring 20 and the end edges are applied to the fitting holes 16a and 16b to release the expanding force.
Due to the elasticity, both ends of the ring-shaped spring 20 are fitted into the fitting holes 16
It will be fitted in a and 16b. For this reason, the ring-shaped spring 20 can be replaced by simply performing an operation of expanding both ends against the elastic force of the diameter reduction, so that the replacement work can be performed easily and quickly.

[Advantage of the Invention] As described above, the present invention uses the ring-shaped spring to urge the biting ends of the fixed and movable holding rods toward each other,
The edge of the ring-shaped spring is fitted into a fitting hole formed on the outer side of both of the holding rods, and the ring-shaped spring is attached by the reducing elastic force. It is easy to perform, and the spread angle of the pair of occlusal ends can be widened, which facilitates loading and unloading of the plate-shaped object to be processed w, and has an excellent effect such as being optimal for automation.

[Brief description of drawings]

FIG. 1 is a front view of the hanger 1, etc., FIG. 2 is a perspective view of the holding device 6, FIG. 3 is a side view showing an expanded state of the bite ends 8 and 13, and FIG. It is a side view which shows detachment. FIG. 5 is a side view of a holding device having a conventional structure. 1 ... Hanger 7 ... Fixed clamping rod 8 ... Biting end 10 ... Movable pinning rod 12 ... Connecting shaft 13 ... Biting end 14 ... Operation part 16a, 16b ... Fitting hole 20 ... Ring Shaped spring

Claims (1)

[Scope of utility model registration request] Claims: 1. A fixed clamping rod and a rotary clamping rod are pivotally supported by connecting shafts with their respective biting ends provided at their respective ends facing each other, and are fitted on the outer surfaces of both clamping rods. Each end of the ring-shaped spring is inserted into the hole by its diameter reducing elasticity,
The ring-shaped springs urge both biting ends in the approaching direction, the fixed holding rod is fixed to a hanger, and the plate-shaped object is held by the pair of biting end edges. A device for holding plate-like objects.