JPH0737486U - Cold isotropic pressure press - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To provide a cold isostatic pressurizing device having a low height and having no waste in the transportation operation and improved in workability. [Structure] The cylindrical molding container 2 is installed horizontally, and the opening / closing lid 9 of the molding container 2 is horizontally opened / closed by a long stroke cylinder 14. The open position of the opening / closing lid 9 and the opening of the molding container 2 are provided. A bucket table 4 is installed between
Inside the opening / closing lid 9, there is provided a connecting fitting 11 for pulling out the transfer bucket 20 from the inside of the molding container 2 to the bucket mounting table 4.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a cold isostatic pressing device (hereinafter referred to as a CIP device).

[0002]

[Prior art]

 As a conventional CIP device, there is one disclosed in, for example, Japanese Utility Model Publication No. 3-53828 filed previously by the present applicant.

As shown in FIG. 9, the basic configuration of the CIP device is as follows. As shown in FIG. 9, a loading unit 32 for loading a rubber mold filled with an article to be molded (powder) in a transfer bucket 31, and a table of the rubber mold in the transfer bucket 31. A cleaning unit 33 for cleaning the molded product attached to the surface, an isotropic pressure pressurizing unit 34 for pressurizing the molded product in the transfer bucket 31, and an extraction unit 35 for taking out the molded product from the transfer bucket 31 are respectively provided. In addition to the above, each of the parts 32, 33, 34, and 35 is provided with a handling device 36 that hangs and conveys the bucket 31, and the isotropic pressurizing part 34 includes a molding container 37 in which the bucket 31 is stored. A press frame 39, which is provided and has an opening 38 that can be inserted into and removed from the molding container 37, is provided so as to be reciprocally movable between an installation position in the molding container 37 and a retracted position.

As the handling device 36, a pedestal 40 erected above each unit 32 (cleaning unit 33), 34, 35, and a carriage 41 provided on the gantry 40 so as to be capable of reciprocating, A structure equipped with a lifting device 42 that is mounted on the carriage 41 so as to be able to move up and down and that suspends the bucket 31 in a detachable manner, or, although not shown, the turning described in the prior art of the publication. There is a free manipulator type. In all of these, the transfer bucket 31 is suspended and moved between the respective parts 32, 33, 34, 35.

[0005]

[Problems to be solved by the device]

 In the above-described conventional CIP device, since the transfer bucket 31 is inserted into and removed from the molding container 37 by the handling device 36, the total height of the CIP device including the handling device is increased. In particular, when molding a long molded body, the height of the molding container 37 itself increases and the height of the handling device 36 also increases, and the isotropic pressure pressurizing unit 34 for mounting the molding container 37 is placed in a deep pit. In this case, the handling equipment 36 has to be installed in the building and / or the handling equipment 36 must be installed high, which increases the cost of facilities such as building and foundation work and handling equipment.

In addition, the transfer bucket 31 after cleaning, in which rubber molds are loaded, is transferred from the cleaning section 33 to the isotropic pressure applying section 34 and then to the extracting section 35 by being repeatedly moved up and down and simultaneously transferred. However, the carrying operation is wasteful and the workability is not always good.

The present invention has been made in view of the above-mentioned problems, and an object thereof is to provide a CIP device having a low height and a waste of conveyance operation and improved workability. is there.

[0008]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, a cold isotropic pressure pressurizing device (CIP device) according to the present invention has a molding container installed horizontally, and an opening / closing lid of the molding container is provided so that it can be opened and closed horizontally. A bucket mounting table is provided between the open position of the opening / closing lid and the opening of the molding container, and a connecting fitting for pulling the bucket from the molding container to the bucket mounting table is provided inside the opening / closing lid.

Further, opening / closing lids provided with the connecting fittings may be provided at openings at both ends of the molding container, and the bucket mounting tables may be provided on both outsides of both ends of the molding container.

[0010]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. 1 is a top view of the CIP device of the present invention, FIG. 2 is a sectional view taken along the line AA of FIG. 1, and FIG. 3 is a left side view of FIG. In the figure, 1 is a machine base, 2 is a molding container, 3 is a press frame, 4 is a bucket mounting table, and 5 is a cleaning tank.

The molding container 2 is composed of a thick-walled cylindrical body 7 having a pressure medium injection port 6, and is mounted on the machine base 1 via mounting jigs 8 provided at the front and rear portions thereof. Further, opening / closing lids 9 and 10 having the same shape are provided at both ends of the thick-walled cylindrical body 7, and the lid 9 is configured by attaching a connecting metal fitting 11 inside thereof, and is integrally provided on the machine base 1. The long stroke cylinders 14 provided on both sides of the thick-walled cylinder 7 slide on the track 13 on the frame 12 to open and close. On the other hand, the lid 10 is openable and closable by a short stroke cylinder 15 provided below the thick-walled cylindrical body 7. Although the lid 10 is also configured to be openable / closable in this example, it may be closed if the thick-walled cylindrical body 7 is short and the inside thereof can be sufficiently cleaned from one opening.

The press frame 3 has an opening 16 through which the molded container 2 with the lids 9 and 10 in a closed state can be removably inserted, and a bracket 17 whose one end is rotatably mounted on the machine base 1. , 18 are attached. Reference numeral 19 indicates a rotating cylinder of the press frame 3, and the rotation of the press frame 3 is performed by the operation of the rotating cylinder 19.

The bucket mounting table 4 and the cleaning tank 5 are provided between two frames 12 that are integrally provided on the machine table 1. The cleaning tank 5 is sized to accommodate the bucket mounting table 4. Further, the bucket mounting table 4 is a large table on which the transfer bucket 20 can be mounted, and is lowered by the elevating device 21 provided in the cleaning tank 5 to be accommodated in the cleaning tank 5. Reference numeral 22 denotes a guide provided on the outer peripheral surface of the body of the transport bucket 20, and reference numeral 23 denotes a connecting fitting provided at one end of the transport bucket 20 in the longitudinal direction of the body.

Next, a molding procedure by the CIP device having the above-described configuration will be described based on the explanatory views schematically shown in FIGS. 4 to 7.

First, after a rubber mold filled with powder is loaded into the transfer bucket 20 placed on the bucket mounting table 4, the elevating device 21 is driven downward to wash the bucket mounting table 4 in a cleaning tank. It is housed in 5. At this time, the lid 9 of the molding container 2 is in an opened state by extending the long stroke cylinder 14. Although not shown, the press frame 3 extends the rotating cylinder 19 and is also rotated to the open position (see FIGS. 4 to 5).

After washing, the lifting device 21 is driven to rise to raise the bucket mounting table 4, and the connecting fitting 23 of the transport bucket 20 and the connecting fitting 11 of the lid 9 are connected at that position, and then the long stroke cylinder 14 Is closed and the lid 9 is closed. By this closing operation, the transport bucket 20 slides on the upper surface of the bucket mounting table 4 and the inner surface of the molding container 2 while being guided by the guide 22, and is accommodated in the molding container 2 (see FIGS. 6 to 7).

After that, the rotation cylinder 19 is reduced and the press frame 3 is rotated to engage the lids 9 and 10 of the molding container 2, and the pressure medium is injected into the molding container 2 from the injection port 6 to perform CIP molding. I do. After the CIP molding, the pressure inside the molding container 2 is reduced, the rotating cylinder 19 is expanded again to rotate the press frame 3 back, and the long stroke cylinder 14 is expanded to open the lid 9. By this opening operation, the carrying bucket 20 connected to the lid 9 is pulled out from the inside of the molding container 2. After pulling out, the rubber mold is taken out from the transfer bucket 20 and a new rubber mold filled with powder is charged (see FIG. 4). After that, the procedure of paragraphs 15 to 17 is repeated to perform CIP molding.

In the CIP device having the above-described configuration, the molding container 2 and the press frame 3 are horizontally installed on the machine base 1, and the transfer bucket 20 is inserted into and removed from the molding container 2 from the horizontal direction by opening and closing the lid 9. The height of the entire CIP device can be lowered. Further, since the transfer bucket 20 is inserted into and removed from the molded container 2 by sliding, the safety is higher than that of the conventional suspending mode. In addition, the cost of facilities such as building and foundation work and handling equipment can be reduced.

Further, the insertion / removal start position of the transfer bucket 20 into / from the molding container 2 is a position for loading / unloading the rubber mold to / from the transfer bucket 20 as it is, and also a cleaning position, for elevating / lowering the transfer bucket 20. The sliding movement distance is short, and there is no waste in operation. Further, this can improve the productivity of CIP molding.

In the above-described embodiment, only the opening / closing lid 9 side of the molding container 2 is opened by the long stroke cylinder 14, and the bucket mounting table 4, the cleaning tank 5, and the opening / closing lid 9 are opened below the opening side. Although the example of the configuration in which the inner coupling fitting 11 is provided has been described, the present invention is not limited to this example, and as shown in the schematic diagram of FIG. 10 can also be opened for a long time by the long stroke cylinder 24, and the bucket mounting table 4, the cleaning tank 5, and the connecting fitting 11 on the inner side of the opening / closing lid 9 may be provided below the opening side, similarly to the opening / closing lid 9 side. . In this case, the transport buckets 20 can be alternately prepared on the open / close lid 9 side and the open / close lid side 10 and can be inserted into and removed from the molding container 2 to further improve the productivity as compared with the CIP device of the above-described embodiment. You can

Further, in the above-described embodiment, as a preferable example, the bucket mounting table 4 is moved up and down and the cleaning tank 5 is provided below the bucket mounting table 4, but the present invention is not limited to this example. Only the bucket mounting table 4 may be fixedly provided, or if necessary, the cleaning tank 5 may be separately installed.

[0022]

[Effect of device]

 As described above, according to the CIP device of the present invention, the height of the entire device is low, the safety is higher than that of the conventional hanging form, and the building and foundation work, the handling device, etc. The equipment cost can be reduced. Furthermore, there is no waste in the transfer operation of the transfer bucket, workability is improved, and the productivity of CIP molding can be improved.

[Brief description of drawings]

FIG. 1 is a top view of a CIP device of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a left side view of FIG.

FIG. 4 is a schematic explanatory diagram of an operation sequence of CIP molding by the CIP device of the present invention.

FIG. 5 is a schematic explanatory view of an operation sequence of CIP molding by the CIP device of the present invention.

FIG. 6 is a schematic explanatory view of an operation sequence of CIP molding by the CIP device of the present invention.

FIG. 7 is a schematic explanatory diagram of an operation sequence of CIP molding by the CIP device of the present invention.

FIG. 8 is a schematic explanatory view of a CIP device according to another embodiment of the present invention.

FIG. 9 is an explanatory diagram of a conventional CIP device.

[Explanation of symbols]

1: Machine stand 2: Molding container 3:
Press frame 4: Bucket mounting table 5: Cleaning tank 6:
Inlet 7: Thick-walled cylinder 8: Mounting jig 9,
10: Open / close lid 11: Connecting bracket 12: Frame 13:
Orbit 14: Long stroke cylinder 15: Short stroke cylinder 16:
Openings 17, 18: Bracket 19: Rotating cylinder 20:
Transport bucket 21: Lifting device 22: Guide 23:
Connecting bracket 24: Long stroke cylinder

Claims (2)

[Scope of utility model registration request] 1. A molding container is installed horizontally, an opening / closing lid of the molding container is provided so as to be horizontally openable / closable, and a bucket mounting table is provided between an open position of the opening / closing lid and an opening of the molding container. A cold isotropic pressurizing device, characterized in that a connecting fitting for pulling the bucket out of the molding container to the bucket mounting table is provided inside the opening / closing lid. 2. The cold isotropic pressure according to claim 1, wherein opening / closing lids provided with the connecting fittings are provided at openings at both ends of the molding container, and the bucket mounting tables are provided on both outsides of both ends of the molding container. Pressurizing device.