JPH0430985A - Take-off device - Google Patents

Abstract

PURPOSE:To completely prevent a moulding from generating cracking and bent at takeoff time, by installing a suction holding mean which holds en block plural mouldings on a takeoff member with the suction of only the mouldings of the tip and rear end of the mouldings, at both ends of the takeoff member. CONSTITUTION:Plural moldings which are fed out by being moulded and aligned with a powder moulding press are held en block from both sides by the holding part 10a installed on a takeoff member 10 and are supported by a folding part 10b. Then, plural mouldings are surely held on the takeoff member 10 with the suction of only the tip and rear end mouldings by the suction holding means A provided at both ends of the takeoff member 10. Consequently, plural mouldings are taken off en block without cracking and bent, without applying a holding force on the moulding.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a device for taking out a molded article formed by a powder molding press.

[Conventional technology]

FIG. 4 and FIG. 5 are a front view and a side view showing the main part configuration of a conventional powder press-molded product take-out device.

In Figures 4 and 5, 1 is a gripping force adjustable parallel opening/closing motor hunt (hereinafter referred to as the hunt), 2 is a gripping plate for a molded product attached to this hunt 1, and 3 is a gripping plate for gripping a molded product on the gripping plate 2. 4 is the gripping plate 2
This is a mounting screw for fixing to Hunt 1. 5 is a molded product to be taken out using this take-out device; 6 is a guide rod that is attached to a powder molding machine (not shown) to align and send out the molded products 5; and 7 is a guide rod that is placed at the tip of the molded product 5 or at the take-out position. A detector 8 is a moving device to which a take-out device (2) is attached.

In the above configuration, when the detector 7 detects that the molded product 5 at the tip, which is guided by the guide rod 6 and sent out in alignment, has reached the take-out position, the grip plate 2 of the hunt 1 is closed. Then, a plurality of molded products 5 are collectively gripped from both sides. Next, when a predetermined gripping force is applied, the hunt 1 rises to a predetermined position, and is then moved by the moving device 8 to carry the molded product 5 to a predetermined location, and the hunt 1 opens and the molded product 5
The grip is released and a plurality of molded products 5 are taken out at once.

Subsequently, the moving device N8 returns to the initial extraction position, and the hand 1
is lowered to a predetermined position and waits until the detector 7 detects the molded product 5. The molded product 5 is continuously taken out by repeating the above operations.

[Problem to be solved by the invention]

Since the conventional extraction device is configured as described above,
When taking out the powder molded product 5, it is necessary to grip both sides of the molded product 5 with the grip plates 2 so that the frictional force with the cushioning material 3 is greater than the weight of the molded product 5.
Since it is difficult to set the two gripping plates 2 completely parallel to each other, if multiple molded products 5 are gripped at once, the gripping force applied to each molded product 5 will be uneven, resulting in a large amount of force. There were problems such as cracks and bending in the molded product 5.

This invention was made in order to solve the problems of the conventional example as described above, and when taking out a plurality of molded products sent out from a powder molding machine at once, a gripping force is applied to the molded products. The object of the present invention is to provide a take-out device that can prevent the occurrence of cracks and bends caused by addition.

[:! Means to solve the problem]

For this reason, the take-out device according to the present invention includes a gripping part that collectively grips the side surfaces of a plurality of molded products molded by a powder molding press, arranged and sent out from both sides, and a lower end of this gripping part turned inward. A take-out member is provided with a bent portion that is bent oppositely to support the molded product, and only the leading and rear end of the molded product are sucked to both ends of the take-out member to remove the molded product. The above objective is achieved by providing a suction holding means for collectively holding a plurality of the molded products on the member.

[Effect]

The take-out device according to the present invention configured as described above is capable of gripping a plurality of molded products, which are molded in a powder molding press and sent out in alignment, all at once from both sides with the gripping portion provided on the take-out member. The bent part supports this, and the suction holding means provided at both ends of the ejecting member attracts only the molded products at the leading and rear ends to securely hold the plurality of molded products on the ejecting member. By doing so, a plurality of molded products can be taken out at once without applying any gripping force to the molded products.

〔Example〕

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

(Structure) Fig. 1 is a front view of the main part of a take-out device showing an embodiment of the present invention, Fig. 2 is a side view of the main part of the take-out device of the above embodiment, and Fig. 3 is a take-out device of the above embodiment. FIG. 3 is a shape diagram of a U-shaped molded product showing an example of a molded product taken out by the method. Note that the same or equivalent parts as in the conventional example are represented by the same reference numerals.

1 and 2, reference numeral 9 denotes a compressed air-operated parallel opening/closing hunt (hereinafter referred to as hand); 10 denotes an extraction member that is opened and closed by the hand 9 provided opposite the lower end of the hunt 9; The member 10 includes a gripping part 10a that collectively grips a plurality of molded products from both sides, and this gripping part 10.
It has an L-shaped cross section consisting of a bent part 10b which supports the molded product by bending the tip of the part a toward the inside. A cushioning material 3 is attached to the portion of the gripping portion 10a that comes into contact with the molded product 5. 11 is a vacuum suction pad (hereinafter referred to as suction pad) that is attached to both ends of the extraction member 10 and adsorbs the molded product 5; 12 is a flexible connecting piping tube that connects the suction pad 11 and a vacuum generator (not shown); 13 is a mounting bracket for attaching the suction pad 11 to the extraction member 10, 14 is a mounting bracket, 15 is an adjustment bracket for adjusting the opening/closing amount of the hunt 9, 16
is a lock nut that fixes the adjustment screw 15, ■ is a take-out device, and the suction pad 11. The connecting piping tube 12, the mounting fittings 13, and a vacuum generator (not shown) constitute a suction holding means A that suctions the molded products 5 at the front end and the rear end and holds the plurality of molded products 5 together with the extraction member 10. has been done.

(motion) The operation will be explained based on the above configuration.

First, a detector 7 attached to the tip of the extraction member 10 detects that the molded product 5 at the tip, which has been molded by the powder molding machine, guided by the guide rod 6, and sent out in alignment, has reached the extraction position. When detected, the hand 9 whose opening/closing amount is adjusted by the adjustment screw 15 is closed in the C direction to the extent that no gripping force is applied to the molded product 5, and the M new material 3 of the gripping part 10a is
It comes into contact with the side surface of each molded product 5 and grips the molded product 5.

Next, when the suction pads 11 attached to both ends of the extraction member 10 suction the bottom surface of the molded product 5, the molded product 5
The hunt 9 rises to the position where it no longer touches the guide rod 6,
Twelve molded products 5 are supported on the bending portion 10b. Next, a vacuum generator (not shown) is activated to remove the suction pad 11.
Of the 12 molded products 5 to be taken out, the bottom surfaces of the leading and rear molded products 5 are placed on two left and right suction pads 11, respectively.
By suctioning the molded products 5, the twelve molded products 5 are reliably held in the take-out member 10 all at once. This extraction member 10 is lifted up to a predetermined position by raising the hunt 9, and is moved by the moving device 8 to which the extraction device 2 is attached.
Move to a preset location and carry the 12 molded products 5, open the hand 9 in the 0 direction to release the grip, and remove the molded products 5.
After transferring it to a predetermined place, the moving device 8 is returned to the initial take-out position with the hand 9 of the take-out device (■) open again, and the hand 9 is lowered to a predetermined position, and the molding machine is sent out from the molding machine. The system waits until the detector 7 detects the incoming molded product 5. Thereafter, the above-described operations are repeated in the same manner. As a result, the molded product 5 can be reliably taken out from the guide rod 6 without applying any gripping force to the molded product 5, so that cracks or bends will not occur in the molded product 5 when the molded product 5 is taken out. can be completely prevented.

In the above embodiment, two suction pads each on the left and right sides are used to suction and hold the leading and trailing molded products 5 of the 12 molded products 5 to be taken out at once. The number of suction pads 11 is not limited, and each suction pad 11 may be one, or two or more suction pads 11 may be provided depending on the size and shape.

In addition, the number of molded products 5 to be taken out in one batch may be set appropriately depending on the size of the molded products 5, and in the case of large molded products, 1
It may also be configured to take out each piece.

〔Effect of the invention〕

As explained above, according to the present invention, there is provided a gripping part that collectively grips the side surfaces of a plurality of molded products molded by a powder molding press, arranged and sent out from both sides, and a lower end of the gripping part held inside. A take-out member is provided with a bent part that is bent oppositely to support the molded product, and suction and holding means provided at both ends of the take-out member remove the leading and rear ends of the molded product. By suctioning and holding only the molded products, the retrieval member can securely hold the molded products and take them out all at once without applying any gripping force to the molded products, so that cracks or bends do not occur in the molded products when they are taken out. This can be completely prevented.

[Brief explanation of drawings]

FIG. 1 is a front view of the main part of a take-out device showing an embodiment of the present invention, FIG. 2 is a side view of the main part of the take-out device of the above embodiment, and FIG. FIG. 4 is a front view of the main part of a conventional take-out device, and FIG. 1g5 is a side view of the main part of the same conventional take-out device. 10 is a take-out member, 10a is a gripping portion, llb is a bending portion, 1
1 is a vacuum suction vat, 12 is a connecting piping tube, and 13 is a mounting bracket. II is a take-out device, and A is an adsorption holding means. In addition, the same or equivalent parts in the figures are represented by the same reference numerals.

Claims (1)

[Claims] A grip part that collectively grips the side surfaces of a plurality of molded products molded by a powder molding press and sent out in alignment from both sides, and a lower end of this grip part is bent inward to support the molded products. A plurality of molded products are collected at the same time by adsorbing only the leading end and the rear end of the molded products to both ends of the take-out member. 1. A retrieval device comprising: suction and holding means for holding the retrieval device.