JPH0351337Y2 - - Google Patents

Description

[Detailed explanation of the invention] (a) Technical field This invention provides that when metals such as zinc are electrolytically refined,
Prior to recovering the entire plate-shaped metal electrodeposit (hereinafter referred to as the electrodeposited plate) obtained by electrodeposition on both sides of the cathode mother plate (hereinafter referred to as the mother plate), a method convenient for the main peeling is performed. This invention relates to a device for separating the upper corner of one side of both electrodeposited plates from the base plate surface to some extent for leveling.

(B) Background Art Conventionally, the methods for peeling the above electrodeposited plate from the base plate include a) applying a mechanical shock to the upper part of the electrodeposit plate to form fine gaps between the base plate surface and the electrodeposit plate; After letting
A method is to insert a stripping tool such as a scraper or knife into the gap and lower it all at once, or b) fix a band-shaped insulator to the periphery of the base plate, and remove the peeling tool from the top corner of one side of the base plate. A block-shaped insulator having the same thickness as the plate is fitted and fixed, and using the slight uplift of the electrodeposited plate near the block-shaped insulator, the scraper blade is inserted from this part toward the electrodeposited surface. A method has been proposed in which the electrodeposited plate is peeled off by moving the cutting edge toward the opposite lower corner of the electrodeposited plate while tracing an arcuate trajectory.

However, method a) above has drawbacks such as the upper part of the base plate being hit quite violently, which damages the base plate itself, and even the band-shaped insulators fixed to both side edges of the base plate falling off due to vibration. In addition, in method b) above, a gap suitable for inserting the scraper is formed between the plate and the electrodeposited plate at the upper corner of the mother plate surface, so it is possible to insert the scraper cutting edge. As mentioned above, since the working surface of the scraper does not cover the entire surface of the electrodeposited surface, the electrodeposited plate tends to be insufficiently peeled off, and the blade edge may damage the base plate surface or the band-shaped insulating material around the base plate. .

Therefore, in order to eliminate these conventional drawbacks, the present applicant has developed a method for peeling the electrodeposited plate from the base plate.
Contrary to the conventional method of fixing the mother plate and moving the scraper, the electrodeposited plates on both sides of the mother plate are peeled off by passing the mother plate between two scrapers that are fixed upright and facing each other. We have previously proposed a method for recovering it (see Figure 4).

According to this method, the electrodeposited plate can be peeled off in a shorter time than conventionally, and it is also possible to prevent peeling errors and damage to the mother plate and the insulator.

(c) Disclosure of the invention The present invention discloses that prior to the main peeling (total peeling) process in which the electrodeposited plate is peeled off and recovered by passing the base plate between the fixed scrapers proposed by the applicant, the fixed scraper In order to ensure that the mold scraper is inserted into the electrodeposited surface of the electrodeposited plate, this is a preliminary peeling device that preliminarily peels off only the upper corner of one side of the electrodeposited plate on both sides of the mother plate as a pretreatment. be.

Embodiments of the present invention will be described below with reference to the drawings.

(D) Embodiment 1 is a cathode base plate in which both left and right ends of a busbar 4 are mounted on a stock conveyor 11 and suspended; 2 is a metal plate electrodeposited on both sides of the base plate 1; 3 is a metal plate that is electrodeposited on both sides of the base plate 1; It is a band-shaped insulator made of synthetic resin or the like that is fitted and fixed to both side edges and forms the same surface as the first surface of the mother plate.

Reference numeral 8 denotes a base 1 fixed to a support 12 erected on one side of the front end in the direction of movement of the stock conveyor 11 on which a large number of base plates 1 before peeling off the electrodeposited plates are suspended.
A cylinder for advancing and retracting is fixed on the top of the cylinder 8 toward the conveyor 11 side, and at the tip of the piston rod of the cylinder 8, there is a sliding table 15 that slides on two parallel rails 14 laid on the base 13. The table 15 is configured to be able to freely move back and forth toward the side edge of the base plate 1 that has been advanced to a predetermined position.

Reference numeral 7 denotes an opening/closing cylinder fixed to the rear end of the box-shaped container 5 mounted on the sliding table 15, and is oriented in the same direction as the forward/backward cylinder 8.
On both left and right sides of a mounting member 9 provided at the tip of a piston rod 7a that reciprocates within the body 5 of the opening/closing cylinder 7, there are two connecting rods whose tips are pivoted to the bases of two small scraper bodies 6 to be described later. 10 proximal ends are pivoted.

6 is a pair of small scraper bodies that are approximately L-shaped in plan;
The small scraper main body 6 is suspended from the stock conveyor 11 and placed at the center of the front end of the vessel 5, which is installed at the same height as the upper corner of the electrodeposited plate 2 of the mother plate 1, which has come to a predetermined position. The intermediate bent portions of the two scraper bodies 6 are pivotally connected to each other by a pin 16 inserted through and fixed to the scraper body 6, and the cutting edges 6a of the two scraper bodies 6 are closed to each other by the reciprocating movement of the opening/closing cylinder 7, and are expanded by the back movement. It's summery.

As mentioned above, the strip-shaped insulator 3 having a thickness that is almost the same as that of the base plate 1 is uniformly attached to both side edges of the base plate 1, so that the both side edges of the electrodeposited metal plate 2 The portion is slightly raised from the beginning, and a wedge-shaped gap is formed that is convenient for inserting a small scraper 6, which will be described later.

Therefore, before the start of preliminary peeling of the electrodeposited plate by this apparatus A (see FIG. 4), the mother plate 1 is stopped from advancing at a predetermined position at the front end of the stock conveyor 11, and at that time, the pair of above-mentioned The small scraper 6 is connected to its piston rod 7a by an opening/closing cylinder 7.
The rod 7a is retracted and expanded through the attachment member 9 and the connecting rod 10 of the head of the rod 7a, and is in the retracted position (FIG. 3A).

Then, the rod 7a is moved forward by the operation of the opening/closing cylinder 7, and the cutting edges 6a of both small scrapers 6 are closed, and the upper part of one side of the insulator 3 is pinched from both sides (FIG. 3B).

Next, the forward and backward cylinders 8 are operated with the cutting edges 6a of both small scrapers 6 closed, and the small scrapers 6 slide slightly forward from both sides of the insulator 3 toward the upper edge of the electrodeposited plate 2 ( Figure 3 c).

At this time, the upper edges of both sides of the electrodeposited plate 2 are in a floating state as described above, and therefore the cutting edges 6a of both small scrapers are extremely smoothly inserted between both surfaces of the mother plate 1 and each electrodeposited plate 2. The cutting edge 6a can be inserted into the base plate 1.
There are no scratches on both sides, and there are no peeling errors.

The sliding forward stroke length of the small scraper 6 for this preliminary peeling is such that a sufficient gap is created to ensure the main peeling (total peeling) by the fixed scraper D described above at the time this preliminary peeling process is completed. It is determined so that the formation can be ensured between the plate 1 surface and the electrodeposited plate 2.

Next, the rod 7a of the opening/closing cylinder 7 is retracted again, and the cutting edge 6a of the small scraper 6 is spread out in the forward position, and the upper end corners of both electrodeposited plates 2, which have been partially peeled off by the cutting edge 6a, as described above. The area is further forcibly expanded, and a large gap is formed between the mother plate 1 surface and the upper corner of the electrodeposited plate 2, which is convenient for complete peeling using the fixed scraper D (details thereof are omitted). (Figure 3 D).

When the partial peeling of the upper corner of one side of the electrodeposited plate 2 on both sides of the mother plate 1 is completed as described above, the small scraper 6 is moved back by the action of the forward and backward cylinder 8 while being expanded, and the preliminary peeling is performed. One cycle of the process is completed.

In this way, the base plate 1 on which the preliminary peeling of a portion of the electrodeposited plate 2 has been completed by the preliminary peeling device A is transferred to the endless trolley conveyor C that is continuously operated in one direction by the transfer machine B. By passing between the two fixed scrapers D from the side that has been preliminarily peeled as described above while suspended on the trolley conveyor C, the electrodeposited plates 2 on both sides of the mother board 1 are reliably removed from the fixed scrapers D. It is completely peeled off and recovered by D.

(E) Effect of the invention The preliminary peeling device of the invention is constructed as described above, and the electrodeposited plate is removed by passing the upper corner of one side of the electrodeposited plate on both sides of the base plate between two fixed scrapers. Since the board can be reliably stripped to a condition convenient for stripping the entire board, it is possible to prevent stripping errors caused by a fixed scraper and damage to the mother plate, etc., and because the movement range of the small scraper is narrow, this preliminary stripping is possible. Since only a short time is required for the process, the peeling time including the entire peeling process described above can be carried out in a shorter time than in the past, and there are advantages such as economical and efficient peeling and recovery of the electrodeposited plate.

[Brief explanation of the drawing]

FIG. 1 is a side view of the preliminary peeling device according to the present invention;
Fig. 2 is the same plan view, Fig. 3 A to D are action explanatory diagrams,
FIG. 4 is a front view of the entire electrodeposited plate peeling and recovery apparatus incorporating the present apparatus. Explanation of symbols, 1...mother plate, 2...electroplated plate, 3...
Insulator, 4... bus bar, 5... body, 6... small scraper, 7... cylinder for opening/closing, 8... cylinder for advancing and retracting, 9... mounting member, 10... connecting rod, 11... Stock conveyor, 12...post,
13...Base, 14...Rail, 15...Sliding table, 16...Pin, A...Main preliminary peeling device,
B...Transfer machine, C...Trolley conveyor, D...
Fixed scraper device.

Claims (1)

[Scope of utility model registration request] A cylinder for advancing and retracting is fixed to a base provided on the side of the front end in the direction of movement of the stock conveyor on which the base plate before the electrodeposited plate is suspended, and the rod tip of the cylinder is attached to the base. A sliding table that slides toward the conveyor is installed, and a box-shaped container is placed on the sliding table at the height of the upper corner of the electroplated plate of the mother plate that has been advanced to a predetermined position. is installed and fixed, and an opening/closing cylinder facing in the same direction as the forward/backward cylinder is fixed to the vessel body, and the base ends of two connecting rods are pivotally supported at the tips of the rods. is characterized in that the middle parts of the pair of small scraper bodies are pivotally connected to each other by inserting and fixing pins in the upper and lower sides, and the bases of the two small scraper bodies are respectively pivoted to the tips of the connecting rods. Preliminary stripping device for electrodeposits on cathode plates for metal electrolysis.