JPH0141530Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a blank piler for piling blanks punched by a disk punching press and conveyed by a conveyor.

Conventionally, in some blank pilers, the blanks conveyed by a conveyor are stacked to an appropriate height and then manually taken out of the machine. The disadvantage is that it is extremely difficult to take out blanks that have been punched out at high speed and are transported at high speeds.

In view of the above, the present invention automatically piles blanks conveyed by a conveyor, and
This layer of piled blanks is divided into upper and lower halves, and the upper pile can be stacked with incoming blanks, and the lower pile can be taken out of the machine one by one, thereby solving the above-mentioned drawbacks. The purpose is to solve this problem, namely, a lifting platform 3 that reciprocates between a lifting device that receives continuously conveyed blanks and a lowering position that conveys the blanks, and a A pair of side clamps 4, 4 are provided which grip a part of the upper part of the blank layer and hold it in a gripping position. , is characterized in that the engaging surface for the blank is formed in a V-shape.

Next, an embodiment of the present invention shown in the drawings will be described.

Reference numeral 1 denotes a V-shaped stop plate fixed to the upper part of the frame 5, which is installed opposite to the front end of the conveyor 6 that conveys the blanks with an interval that allows the blanks 7 to interpose therebetween. It has become able to catch the blank 7 that comes. 2 is a guide plate provided opposite to the receiving plate 1. The receiving plate 1 is formed into a V-shape that matches the outer circumference of the blank 7, and the distance between the receiving plate 1 and the guide plate 2 is as follows.
It is set so that blanks can be stacked between them. Reference numeral 3 denotes a lifting platform that is movable up and down between the receiving plate 1 and the guide plate 2, and is gradually lowered by the amount of stacked blanks sent from the raised position;
When the blank 7 is lowered to the vicinity of a pallet 8 (described later) and a side clamp 4 (described later) clamps the blank 7, the blank 7 is thereafter operated by an appropriate control device so as to quickly lower to the position indicated by the solid line.
Reference numerals 4 and 4 denote a pair of side clamps provided on the frame 5, which are set at positions where they can clamp the desired amount of the upper layer of the pile of stacked blanks, as shown in FIG. The inner surface is formed in a V shape, and both side clamps 4, 4 can be opened and closed against the sides of the blank 7 by appropriate means. Reference numeral 8 denotes a pallet on which blanks to be taken out of the machine are transferred, and a passage hole 8a for the lifting table 3 is formed at an appropriate position. The diameter of the passage hole 8a is slightly smaller than the diameter of the blank 7, and the diameter of the elevator platform 3 is smaller than the diameter of the passage hole 8a. Also, palette 8 is
It is provided on the roller 11 so as to be movable in the front-rear and left-right directions, and its passage holes 8a are formed at appropriate intervals in the front-rear and left-right directions.

Next, the operation will be explained.

Now, with the side clamps 4, 4 open as shown by the chain lines in Figure 1 and the lifting platform 3 waiting at a position above the chain line in Figure 2, the blank 7
When the blank 7 is sent by the conveyor 6, it flies between the receiving plate 1 and the guide plate 2, and the blank 7 is sent to the elevator platform 3.
placed on top. Then, the lifting platform 3 gradually descends by the amount of blanks 7 stacked, and when a certain amount of blanks 7 are stacked, both side clamps 4, 4 are operated to close and clamp the upper layer blank 7a. Then, when the lifting platform 3 further descends and retreats to below the passage hole 8a of the pallet 8, it is divided into an upper layer blank 7a and a lower layer blank 7b, and the divided lower layer blank 7b is placed on the pallet 8. It is placed as shown in FIG. After the pallet 8 is moved so that another passage hole 8a is positioned above the lifting table 3, the lifting table 3 is again raised to the dotted line position in FIG. 2, and the side clamp 4 is opened. And again,
The elevating table 3 is gradually lowered by the amount of sent and stacked blanks, and the above-mentioned operation is then repeated.

As described above, in the present invention, a predetermined amount of piled blanks can be taken out of the machine without stopping the blank stacking operation, that is, without interrupting the punching operation. The work of taking out blanks from a press machine that punches at high speed is extremely efficient, and the blanks can be taken out easily and safely.

In particular, in this case, since the side clamps 4, 4 grip the blank itself while it is descending, the lower layer of the gripped blank descends together with the lifting platform, but the upper layer of the gripped blank is a device that maintains the same position as the lifting platform 3.
Blanks can be taken out continuously using only the side clamps 4, 4, and the pallet exchange type shown in Publication of Utility Model Publication No. 33-3428 does not require multiple pallets, but is convenient for pallet exchange. It has the advantage of being able to eliminate the disadvantages of requiring time and effort.

[Brief explanation of the drawing]

FIG. 1 is a plan view showing an embodiment of the present invention, and FIG. 2 is a side view. 3... Lifting platform, 4... Side clamp, 6...
Conveyor, 7...blank.

Claims (1)

[Scope of utility model registration request] A lifting platform 3 that reciprocates between a raised position that receives continuously conveyed blanks and a lowered position that conveys the blanks, and a part of the upper part of the stack of blanks stacked on the lifting table is grasped. A pair of side clamps 4, 4 are provided to hold the blank in a gripping position regardless of the descent of the lifting platform, and the side clamps are configured to grip the outer peripheral surface of the blank from the front and back in a clamping manner. A blank piler for a press machine, characterized in that an engaging surface for a blank is formed in a V shape.