JPS6124357Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a pattern shuttle device in a mold making machine.

Generally, in order to simplify the mechanism of this type of pattern shuttle device, a system in which the pattern plate is supported as a cantilever beam by pin or push fitting is being adopted in many cases. However, since the pins and bushings slip to one side, the shuttle ends become misaligned, causing problems such as hindering frame setting and die cutting.

The present invention aims to solve these problems.

The configuration of the present invention will be explained below based on examples. Reference numeral 1 designates a bed. Supports 2 are erected at the four corners of the upper surface of the bed 1, and a lower frame 3 and an upper frame 4 are connected to the upper and lower slides via support arms 3a and 4a. It is inserted so that it can move freely. 5 is a U-shaped cross section provided at a predetermined interval on the left and right sides.
A pair of guide rails, the base end of the guide rail 5 is connected to a support member 7 by a support leg 6 that is fitted and fixed to the support column 2.
The tip is supported by a joint frame 8, and the tip is connected by a joint frame 8. The guide rail 5
The wheels 10 are mounted on both sides via support brackets 9.
A shuttle cart 11 is rotatably supported on a shaft, and is movably provided.The shuttle cart 11 has a recess 11a formed in the upper surface of the front part, and a positioning hole in the upper surface of the recess 11a has a bush 12. are fitted and fixed respectively. 13 is a master plate with a pattern plate 14 mounted on the upper surface of the center part and a positioning pin 15 hanging down on the lower surface of the rear part;
The rear portion of the master plate 13 is placed on the upper surface of the concave portion 11a of the shuttle truck 11 so that it is flush with the upper surface of the shuttle truck 11, and the positioning pin 15 is positioned to fit into the bush 12.
Further, the upper surface of the shuttle cart 11 is provided with a guide groove extending in the horizontal direction of movement of the shuttle cart 11.
Shape-shaped guide members 16 are disposed at the left and right outer positions of the recess 11a,
The guide groove has stepped portions 17 on both ends that are elongated from side to side.
A presser plate 17 with a projecting portion a is inserted from an upper position of the recess 11a to an external rear position so as to be slidable along the guide groove, and presses and holds the rear end of the master plate 13 to hold the master plate 13. 13 to prevent it from tilting forward. Reference numeral 18 denotes a push-out rod whose tip is fixed to the back surface of the stepped portion 17a of the presser plate 17.
9 through the proximal end in a slidable manner,
A nut 20 is screwed onto the rearward protruding base end of the spring support 19, and the nut 20 is brought into contact with the back surface of the spring support 19 to prevent the push rod 18 from jumping out forward. Further, a compression spring 21 is attached to the push-out rod 18 between the presser plate 17 and the spring support 19.
It is inserted slowly so that it is always pushed forward. A stopper bolt 22 is attached to a support member 23 extending vertically from the support leg 6, and is provided opposite to the stepped portion 17a of the presser plate 17. A shuttle cylinder 24 is rotatably supported on the upper surface of the bed 1 via a cylinder bracket 25, and an intermediate portion of a link 26 is rotatably connected to the tip of the piston rod 24a. The end is bed 1
The link 26 is rotatably connected to a support bracket 28 attached to the side wall surface of the support frame 27 via a support frame 27, and the distal end of the link 26 is rotatably connected to the base end of a link 29. Further, the tip of the link 29 is rotatably connected to a support bracket 30 attached to the lower surface of the shuttle truck 11, and by the operation of the shuttle cylinder 24, the shuttle truck 11 moves along the guide rail 5 to the link 2.
6, 29 and a support bracket 30.

Incidentally, reference numeral 31 denotes an inclined support frame whose base end is fixedly supported by the bed 1, and is provided to support the guide rail 5.

Next, the operation of the device configured as described above will be explained. Shuttle cylinder 24 from the illustrated state
When the is retracted, the shuttle carriage 11 is moved forward along the guide rail 5 via the links 26, 29 and the support bracket 30, and the master plate 13, on which the pattern plate 14 is mounted, is moved between the lower frame 3 and the upper part. When entering between the frames 4 and approaching the position on the opposing line between them, the press plate 17 comes into contact with the stopper bolt 22, and subsequently,
When the shuttle cylinder 24 is retracted to move the master plate 13 forward, the presser plate 17 moves back along the guide groove of the guide member 16 against the compression spring 21 to a position where it is removed from the upper surface of the master plate 13. Meanwhile, the pattern plate 13 enters a position on the opposing line between the lower frame 3 and the upper frame 4 and stops. The front end of the master plate 13 is delivered to and supported by the upper surface of a roller (not shown). Next, by lifting the table (not shown), the lower frame 3 is lifted and the master plate 1 is lifted.
3. After being superimposed on the pattern plate 14, these are further lifted up integrally and superimposed on the upper frame 4, and a molding operation is performed. After the molding is completed, the master plate 13 with the pattern plate 14 mounted thereon is lowered by the lowering operation of the table, and the front end is supported by the upper surface of the roller, and the rear end is left on the upper surface of the shuttle cart 11, and is also positioned. The pin 15 is fitted into the bush 12 and positioned, and the table and lower frame 3 are lowered to their original positions and stopped. Next, when the shuttle cylinder 24 is extended and the shuttle carriage 11 moves backward, the presser plate 17 is pushed back forward by the restoring force of the spring 21 released from the restriction of the stopper bolt 22, and the rear end of the master plate 13 is pushed back. The portion is again pressed and held by the holding plate 17. In this way, the master plate 13, which is pressed and held by the presser plate 17, is moved backward along the guide rail 5, and is brought into the illustrated state.

In addition, in the above embodiment, the shuttle cart 11
When reciprocating, the pattern shuttle device is moved via a link mechanism, so the pattern shuttle device stops quietly and is not damaged.

As is clear from the above description, according to the present invention, the master plate is positioned on the top surface of the shuttle vehicle by fitting pins and bushes, and is held under pressure by the holding plate.
The pins and bushings have the advantage of being able to accurately set frames and cut out molds without slipping to one side, and are a significant contribution to this type of industry.

[Brief explanation of the drawing]

FIG. 1 is a plan view showing an embodiment of the present invention, and FIG. 2 is a partially cutaway side view of FIG. 1. 3...Lower frame, 4...Upper frame, 11a...Recess, 1
DESCRIPTION OF SYMBOLS 1... Shuttle truck, 13... Master plate, 16... Guide member, 17... Holding plate, 19
... Spring support, 21 ... Compression spring.

Claims (1)

[Scope of utility model registration request] A recess 11 is provided on the front upper surface between the lower frame 3 and the upper frame 4, which are arranged facing each other at a predetermined interval in the upper and lower directions.
A shuttle cart 11 is provided so as to be movable in and out.
Place and position the rear part of the master plate 13 on the upper surface of the shuttle vehicle 11 so that its upper surface is flush with the upper surface of the shuttle vehicle 11, and place the rear part of the master plate 13 on the upper surface of the shuttle vehicle 11 from the upper position of the recess 11a to the recess. 11
A pair of guide members 16 having guide grooves extending in the horizontal direction are provided at the external rear position of a, and a long presser plate 17 extending between the guide members 16 can freely slide in the guide grooves of the guide members 16. and the shuttle trolley 1 at the rear position of the presser plate 17.
1, a spring support 19 is attached to the top surface, and a compression spring 21 is interposed between the spring support 19 and the presser plate 17, and a compression spring 21 is provided at an external front position of the shuttle cart 11 that abuts the presser plate 17. A pattern shuttle device for a mold making machine, characterized in that it is provided with a stopper means.