JPH0584598A - Press equipment for powder molding - Google Patents

Abstract

PURPOSE:To reduce the installation space of a die transport. CONSTITUTION:A molding press 6 to pressurize a molding die 1 and a subsidiary device 7 to conduct subsidiary works are arranged on both sides a superimposed die transport 5. The die transport 5 is a lifting type device having at least two stages of accumulators 2 to accumulate molding dies 1 in the vertical direction. The position of the accumulator 2 is moved vertically to carry the molding die 1 into or from the molding press 6 and the subsidiary device.

Description

Detailed Description of the Invention

[0001]

INDUSTRIAL APPLICABILITY The present invention has made it possible to efficiently supply powder into a molding die, pre-press molding, main pressure molding, disassembly of the molding die, take-out of products and the like. The present invention relates to powder molding press equipment.

[0002]

2. Description of the Related Art As a conventional powder molding press facility of this kind, as shown in FIG. 3, a molding press b is arranged on one side of a linear rail a and an auxiliary press is arranged on the other side. c is arranged, and on the rail a, a carriage trolley g having spaces e and f capable of stacking two sets of molding dies d side by side in the direction of the rail a is provided so as to be traversable, and a molding die b is used for molding. During the main pressurization of the mold d, the auxiliary press c supplies the powder body to the next molding die d ′ for preparation, and when the main pressurization by the molding press b is completed, The molding die d ′ is carried out onto the space e on one side (left side) of the carrier carriage g at the position indicated by the solid line in FIG. 3, and then the carrier carriage g is moved to the position indicated by the chain double-dashed line in FIG. The molded molding die d is carried out from the molding press b onto the other (right side) space f. At the same time, it is carried into the auxiliary press c via the space f, and then the transport carriage g is again moved to the position indicated by the solid line to form the molding die d ′ loaded on the space e. so that it can be loaded into b,
On the other hand, the molded molding die d that has been carried into the auxiliary press c is disassembled, the product is taken out, the molding die d is cleaned, and the powder is placed in the molding die prepared for the next molding. It is known to supply and prepare the body.

[0003]

However, in the case of the above-mentioned conventional press equipment for powder molding, the carrier cart g is arranged in a plane so as to traverse between the position of the solid line and the position of the chain double-dashed line. Therefore, a large space is required for installing the transfer device, and there is a problem that the entire equipment becomes large. Further, conventionally, a transfer device adopting a swivel method has also been considered, but it also has a problem that a wide installation space is similarly required due to the planar arrangement.

Therefore, the present invention is intended to reduce the installation space of the conveying device and to make the entire equipment compact.

[0005]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides an up-and-down type mold conveying device having at least two vertically stacked loading platforms for loading molding dies. And a molding press that pressurizes the molding die is arranged on one side of the mold conveying device, and an auxiliary device that performs auxiliary work to the molding die is arranged on the other side. It will be configured.

[0006]

[Operation] Loading of the molding die into the molding press and the auxiliary device by using the loading stages at the respective stages of the die conveying device in the vertical direction,
Carry out.

Since the die transfer device is of an up-and-down type, it does not require a large installation space in plan view, and can be installed in a small space between a molding press and an auxiliary device which are arranged close to each other.

[0008]

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

FIG. 1 and FIG. 2 show an embodiment of the present invention. A loading table 2 for loading a molding die 1 including upper and lower anvils 1a and 1b and a cylindrical middle die 1c is shown. An elevating type die transfer device 5 is provided, which is configured such that the transfer frame 3 having two stages in the vertical direction can be moved up and down by the operation of an elevating drive device 4 such as a worm jack mechanism. A molding press 6 for performing main pressurization of the molding die 1 is arranged on one side of the sandwiching device, and on the other side of the transport device 5, the molding die 1 after molding is disassembled, products are taken out, and cleaning is performed. Further, an auxiliary device 7 for performing auxiliary work such as powder material (raw material) supply to the next molding die 1 and preliminary pressurization is arranged, and the die conveying device 5, the molding press 6 and the auxiliary device 7 are arranged. The molding die 1 can be carried in and out during the period.

The molding press 6 includes a pressurizing cylinder 8, a ram 9 which is vertically moved by the pressurizing cylinder 8, a crosshead 10 held by the ram 9, a bed 11 facing the crosshead 10, and the like. It consists of. The auxiliary device is a cylinder 12 and a crosshead 1 that is vertically moved by the cylinder 12.
3, a block 14 facing the cross head 13 and the like.

In the state shown in FIG. 1 in which the molding die 1 is pressed by the molding press 6 and the auxiliary work for the next molding die 1 is completed in the auxiliary device 7, the pressure molding by the molding press 6 is completed. When performing die replacement, the next molding die 1 is unloaded from the auxiliary device 7 onto the upper loading platform 2 of the transport frame 3 at the lowered position as shown by the solid line in FIG. After loading, the carrying frame 3 is moved to the upper position as shown by the chain double-dashed line in FIG. 1 is carried out onto the lower loading platform 2 and is passed through the lower loading platform 2 to be loaded into the auxiliary device 7, and then the transport frame 3 is lowered again by the operation of the elevating drive device 4 to move the transportation frame 3 downward. Move to the position indicated by the solid line in
The next molding die 1 above is carried into the molding press 6 so that the next molding die 1 is subjected to pressure molding. On the other hand, the molding die 1 that has already been molded and is carried into the auxiliary device 7.
After disassembling and taking out the product and cleaning, the powder body is further supplied into the molding die 1 prepared for the next molding to pre-press. In addition, after the molded molding die 1 is carried out from the molding press 6 onto the loading platform 2 in the lower stage of the transport frame 3, it is lowered by the elevating drive device 4, and the next molding die 1 is molded. After carrying in 6, again
The procedure may be such that the transport frame 3 is raised and the molded molding die 1 is carried into the auxiliary device 7.

In the above, the mold conveying device 5 for carrying the molding die 1 into and out of the molding press 6 and the auxiliary device 7.
Has a method of elevating and lowering the carrier frame 3 having the upper and lower two-stage loading platform 2, so that it is installed in a narrow space as compared with a conventional carrier apparatus that horizontally traverses or swivels the carrier truck. be able to. Therefore, the molding press 6 and the auxiliary device 7 can be arranged close to each other at a position sandwiching the transport device 5, and the entire equipment can be made compact. In addition, the transfer device 5
Since the transfer frame 3 of FIG. 2 has the upper and lower loading stages 2 and can be raised and lowered, the molding die 1 for which the auxiliary work by the auxiliary device 7 has been completed is previously placed on one of the upper and lower loading stages 2. If they are loaded, the auxiliary device 7 can further perform the auxiliary work for the next molding die 1 during that time, whereby two or three molding dies 1 can be always used. It is possible to improve productivity.

In the above embodiment, the case in which the transfer frame 3 of the mold transfer device 5 is provided with the upper and lower two-stage loading pedestals 2 has been described. However, the number of loading pedestals 2 may be further increased in the vertical direction. In addition, as the elevating / lowering device 4 for elevating / lowering the transport frame 3, a device other than the worm jack mechanism may be used, and various changes may be made within the scope not departing from the gist of the present invention. Of course.

[0014]

As described above, according to the powder molding press equipment of the present invention, a lifting type elevator having a plurality of molding die loading stages vertically arranged between the molding press and the auxiliary device. Since the mold transfer device is arranged, compared with the conventional device that moves the transfer carriage in a plane, the installation space of the transfer device can be small, and the devices do not overlap, so accessibility is good, It is possible to make the entire equipment compact, and further, since it is possible to stack a plurality of molding dies in the vertical direction on the mold conveying device, it is possible to improve productivity, and other excellent effects. Exert.

[Brief description of drawings]

FIG. 1 is a side view showing an outline of a powder molding press facility of the present invention.

FIG. 2 is a schematic plan view of FIG.

FIG. 3 is a schematic plan view showing an example of conventional powder molding press equipment.

[Explanation of symbols]

 1 Mold for molding 2 Loading platform 4 Lifting drive device 5 Mold transfer device 6 Molding press 7 Auxiliary device

Claims (1)

[Claims] 1. An elevating type die transfer device comprising at least two stacking stands for loading a molding die in the up-down direction, and on one side sandwiching the die transfer device, A powder molding press facility comprising a molding press for pressurizing the molding die and an auxiliary device for assisting the molding die on the other side.