JPH0116577Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to an injection molding machine that has a storage section for a unitized replacement injection cylinder on the side of the machine base.

[Conventional technology]

2. Description of the Related Art Injection molding machines are being developed that allow one injection device to be used in several ways by replacing the injection cylinder each time a mold or material changes.

According to the prior art, replacement injection cylinder units are either stored in a specific location within the factory or placed on the floor next to the injection molding machine.

[The problem that the idea attempts to solve]

In the former case, when replacing the injection cylinder, it takes time and effort to transport the injection cylinder unit back and forth and then manually load and unload it using a chain block or the like.

In the latter case, the trouble of transporting the injection cylinder unit back and forth can be saved, but since the injection cylinder unit is simply placed on the floor, there is a problem in the maintenance and management of the injection cylinder unit.

This invention was devised to solve the above-mentioned conventional problems, and its purpose was to provide an injection device, a storage section for a replacement injection cylinder unit, and a running platform on the same machine base, and to The injection cylinder unit can be replaced and stored.
Another object of the present invention is to provide an injection molding machine having a new replacement injection cylinder unit storage part that not only saves labor by mechanically attaching, detaching and transporting the unit, but also allows sufficient maintenance and management.

[Means to solve the problem]

This invention for the above-mentioned purpose is to install an injection device consisting of a holder on which the injection cylinder unit can be attached and removed in the vertical direction and an injection hydraulic device connected to the holder on the machine pedestal, and to install the injection device on the side of the injection device. A storage section for a replacement injection cylinder unit is provided on the machine base, and the storage section consists of a frame provided on the side of the holder, and a plurality of holders similar to the holder placed and fixed on the frame in parallel with the above-mentioned holder. above the holding table and the storage table, a traveling table equipped with a conveyor having an elevating device is installed horizontally on a frame provided on the machine table side and the storage section side. As a result, the above-mentioned conventional problems are solved.

[Effect]

In the above configuration, after the injection cylinder unit mounted on the holding table is released from the holding table, it is transported to an empty storage table in the storage section by the conveyor of the traveling table, and then placed in the storage table. After storing the injection cylinder unit, the conveying machine holds the injection cylinder unit on the other storage table, and transports it to the holding table and mounts it.

〔Example〕

In the figure, 1 is the injection device on the machine base 3, 2 is the storage area for the injection cylinder unit installed on the machine base 3 on the side of the injection device, and the frame 2 is installed on the side from above the machine base 3.
a, and a plurality of storage stands 8, 8 provided on the frame 2a.

On the hydraulic block 4 of the injection device 1, a holding table 6 of an injection cylinder unit 5 and an injection hydraulic device 7 are provided with a required gap, and both are integrally connected by tie bars 7a, 7a. be.

The injection cylinder unit 5 is constructed by attaching an injection cylinder 5b with a screw inside, a hopper 5c, and an I-shaped suspension member 5d to a rectangular block body 5a, and is formed with a pair of holding frames 6a, 6a. A block body 5a is placed between the holding frames of the holding table 6.
is inserted from above and fixed to the holding base 6 using a hydraulically operated fastener 9 provided on the rear surface of the frame.

The plurality of storage stands 8, 8 are formed with a pair of storage frames 8a, 8a, similar to the holding stand 6,
They are provided in parallel on the frame 2a in alignment with the holding table 6. Also storage frame 8
Block body 5a inserted from above between a and 8a
A hydraulically operated fastener 9 for fixing the frame is provided on the front surface of the frame.

Above the holding table 6 and storage tables 8, 8, a gate-shaped frame 10 is provided at the outer end of the machine stand and the outer end of the storage part.
A running platform 11 is installed horizontally. Travel platform 1
1 is composed of a pair of I-shaped steel members installed in parallel on a horizontal member, and a conveyor 14 having a drive device 12 with a brake and a hydraulically operated lifting device 13 is attached to the upper part. This conveyor 14 is equipped with a mechanism for reciprocating movement on a screw shaft 15 disposed on a traveling platform, and a chuck that moves between the traveling platform 11 and the storage platform 8 is provided at the lower end of the lifting rod 13a of the lifting device 13. A device 16 is provided.

As shown in FIG. 4, the chuck device 16 includes an upper plate 17 connected to the lifting rod 13a, and a lower plate 1 attached to the upper plate 17 via a stay 18.
9, and a hydraulically operated chuck switch consisting of a cylinder 20 and a piston 21 is provided in the center of both plates with the piston side fixed to the upper plate 17.

In addition, the lower end of the cylinder 20 has a lower plate 1.
A pair of L-shaped links 23 protruding downward from the holes 22 of 9 are pivoted to face each other, and a pair of guide rails 24 attached to both sides of the lower plate 19 are fitted to the lower ends of the L-shaped links 23. A chuck 25 that slides on the lower surface of the lower plate 19 is pivotally attached to the lower plate 19.

Furthermore, as shown in FIG.
The corresponding surface of the suspension member 5d is also formed as a horizontal surface and an inclined surface, and since the clamping surface of the suspension member 5d is an inclined surface, some Even if it slips for some reason, the horizontal surface at the center prevents the slippage and prevents the chucks 25, 25, etc. from coming off.

In the exchange device having the above configuration, the storage stand 8 of the storage section 2
Injection cylinder unit 5 stored in
After loosening the fastener 9, the hanging member 5d can be gripped by the chuck device 16 and pulled upward.

Then, by retracting the elevating rod 13a and pulling up the injection cylinder unit 5, and moving the carrier 14, it can be carried directly above the holding table 6 of the injection device 1.

Since the positions of the holding table 6 and the storing table 8 are aligned in advance, when the injection cylinder unit 5 is lowered as it is, the block body 5a will be moved to the holding frame 6a,
6a, and can be fixed to the holding base 6 by the fastener 9. Then, as shown in FIG. By meshing the joints 28 with each other and sandwiching them between a pair of lock plates 30 operated by hydraulic cylinders 29 slidably attached to the tie bars 7a, 7a, the screw 5e and the ram 7b are rotated and axially held. can be connected so as to be movable in the direction.

[Effect of idea]

As mentioned above, this invention is based on the storage part 2 of the injection cylinder 5 which has the injection device 1 and the storage table 8 on the machine stand 3.
and a replacement carriage 11 are provided so that the injection cylinder unit 5 can be stored and replaced on the machine stand 3.
There is no need to place the injection cylinder unit in another place or on the floor, and since the injection cylinder unit can be specified for each injection molding machine, there is no need to accidentally transport one from another molding machine when replacing it. It has the advantage of being able to perform sufficient maintenance and management.

In addition, the holding table 6 on the injection device side, on which the injection cylinder unit 5 can be attached and detached in the vertical direction, and the storage table 8 of the storage section 2 are of the same structure, so that a plurality of storage tables 8
is placed and fixed on the frame 2a in parallel with the holding table 6, and a traveling table 11 equipped with a conveyor 14 having an elevating device 13 is arranged above them, so that all the injections prepared there Since the position of the cylinder unit remains constant and there is no need for front-to-back alignment during replacement, the injection cylinder unit can be replaced automatically by simply moving the conveyor laterally and moving up and down. This can reduce the amount of manpower required.

In addition, unlike when transporting from other locations, the transport time is extremely short, so the temperature of the temperature-controlled mold does not change during transport, and the machine base, storage area, and running platform are Because it is integrated, the whole machine can be moved as one molding machine.
Furthermore, since there is no need to install a running platform for each movement, the injection molding machine has the advantage of not being restricted by the installation location.

[Brief explanation of the drawing]

The drawings show one example of an injection molding machine having a replacement injection cylinder unit storage section according to this invention, and FIG. 1 is a cross-sectional plan view, FIG. 2 is a front view, and FIG.
The figure is a side view, FIG. 4 is a half longitudinal sectional front view of the chuck device, and FIG. 5 is a perspective view of the chuck and suspension member.
FIG. 6 is a partial plan view of the injection device showing the mounting state of the injection cylinder unit. DESCRIPTION OF SYMBOLS 1... Injection device, 2... Storage part, 2a... Frame, 3... Machine stand, 5... Injection cylinder unit, 6... Holding stand, 7... Injection hydraulic system, 8...
Storage stand, 10... Frame, 11... Traveling stand, 13...
... Lifting device, 14... Conveyor, 16... Chuck device.

Claims (1)

[Scope of utility model registration request] An injection device consisting of a holding stand on which the injection cylinder unit can be attached and detached in the vertical direction and an injection hydraulic device connected to the holding stand is installed on the machine stand, and
A storage section for a replacement injection cylinder unit is provided on the machine stand on the side of the injection device, and the storage section is connected to a frame provided on the side of the holder and the holder, which is placed and fixed on the frame in parallel with the holder. It consists of a plurality of storage stands similar to the stand, and above the holding stand and the storage stand,
An injection molding machine having a replacement injection cylinder unit storage area, in which a traveling platform equipped with a conveyor having an elevating device is horizontally mounted on a frame provided on the machine base side and the storage area side.