JPH0565258B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a pedestal for receiving a core from a molding machine after molding a product and taking it out to the outside of the molding machine.

(Prior art) As a conventional technology, a cradle is provided which is set at a predetermined height, and a drive device is provided to horizontally move the pedestal between the upper and lower mold intermediate positions of the molding machine and the outer position of the molding machine. When the upper and lower molds of the molding machine are separated in the vertical direction after molding, the cradle is moved to the middle position between the upper and lower dies to catch the core dropped from the upper mold, and then the pedestal and There was a structure in which the core was moved horizontally to the outside of the molding machine.

(Problems to be Solved by the Invention) In the conventional device described above, the pedestal simply moves horizontally between the mold part and the outside part of the molding machine. This makes it difficult to get the core close enough to the core, which may increase the impact when the core falls and cause damage to the core.Furthermore, the cradle is too high on the outside of the molding machine, making it difficult for the worker to receive it. There was a drawback that it was difficult to remove the core from the table.

In the latter case, there is a means of forming a step stool on the outer floor of the molding machine, but this is not preferable because it requires getting on and off the step stool during other work, which impairs workability and safety.

The object of the present invention is to obtain a novel pedestal device for taking out cores that eliminates the above-mentioned drawbacks.

(Means for Solving the Problems) In order to achieve the above object, the present invention is configured as follows.

That is, a pedestal for receiving the core and a drive device for moving the pedestal in the vertical and horizontal directions are provided,
A first step in which the drive device is horizontally moved from the outside of the molding machine to an intermediate portion of the upper and lower molds spaced apart in the vertical direction of the molding machine, and a first step in which the pedestal is vertically moved in the intermediate portion of the upper and lower molds. The second process, the third process in which the pedestal is moved horizontally from the middle part of the upper and lower molds to the outside of the molding machine, and the fourth process in which the pedestal is vertically moved to the outside of the molding machine are sequentially driven. This configuration is provided with a control device for control.

(Function) Since the present invention has the above configuration, when the pedestal reciprocates between the outside of the molding machine and the mold section of the molding machine, one reciprocating end, that is, the upper and lower molds separated in the vertical direction. At the part, the pedestal is moved up and down to a height position close to the core and a height position where horizontal movement is performed smoothly, and at the other return end, that is, outside the molding machine, The cradle is moved up and down to a height position where horizontal movement is smooth and to a height position suitable for the worker to take out the core.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

First, in the drawings, FIG. 1 is an explanatory side view showing the initial operating state of the pedestal device according to the present invention, and FIGS. 2 to 6 are explanatory side views showing each of its operating steps.

In FIG. 1, 1 is a mold device forming a molding machine, in which a movable platen 3 is arranged above a lower platen 2 on the fixed side so as to be movable up and down, and each platen 2, 3
A lower mold 4 and an upper mold 5 which are horizontally divided are engaged with opposite surfaces of the mold.

6 is a core, which is set so that when the upper mold 5 is divided upwardly from the lower mold 4 after product molding, it is held on the upper mold 5 side and moves upward; In this state, it is released from the upper mold 5 by the operation of a mold release rod (not shown) and is dropped.

10 is a pedestal for receiving the core 6, and the top plate 1
A plate-shaped or fork-shaped receiving member 14 extending leftward is removably attached to the left end of 2, and is moved horizontally and vertically by a drive device 20 described below.

That is, the base 11 is disposed below the top plate 12 so as to face each other, and both are connected to each other by an X-shaped link mechanism 13. This link mechanism 13 connects each left end of a pair of link arms 13a rotatably connected to each other by a pin P1 at a longitudinally intermediate portion to the left end of the base 11 and the left end of the top plate 12 with pins P2, P2.
The right ends of the link arms 13a are connected to the right ends of the base 11 and the top plate 12 so as to be slidable only in the horizontal direction through pins P3, P3 and long holes A, F. .

The base 11 has wheels 15, 15 at its lower part.
, and is moved in the left-right direction by a horizontal cylinder mechanism 21. This horizontal cylinder mechanism 21
As shown in the figure, the right end of the cylinder case 21a is arranged horizontally and connected to a fixed member such as a frame, and the left end of the cylinder rod 21b is connected to the right end of the base 11.

When the cylinder rod 21b moves toward the left and extends, the receiving member 14 moves to the left and is positioned between the upper and lower molds 5 and 4, as shown in FIG. When the shortening operation is performed in the right direction, the orientation member 14 is set so as to be located on the outer right side of the mold device 1, as shown in FIG.

Further, the link mechanism 13 described above is extended and contracted in the vertical direction by the lifting cylinder mechanism 22. This elevating cylinder mechanism 22, as shown in FIG.
The lower end of the cylinder case 22a is rotatably connected to the intermediate portion of the base 11 in the left-right direction by a pin, and the upper end of the cylinder rod 22b is connected to the link arm 13a.
A pin is rotatably connected to the lower left side of the

When the cylinder rod 22b is extended upward, the link mechanism 13 is extended upward, the receiving member 14 is moved upward as shown in FIG. 1 or 3, and the cylinder rod 22b is extended upward.
When the link mechanism 13 is shortened downward, the link mechanism 13 is shortened downward, and the receiving member 14
falls as shown in FIG. 4 or FIG.

The horizontal cylinder mechanism 21 and the elevating cylinder mechanism 22 are controlled by a control device 23 as shown in FIG.

That is, when the start button 25 is turned on, the elevating cylinder mechanism 22 is activated to extend primarily, and as shown in FIG. be moved.

Next, the horizontal cylinder mechanism 21 is operated to extend,
As shown in FIG. 2, the receiving member 14 is moved to the left and positioned between the upper and lower molds 5 and 4.

Next, the elevating cylinder mechanism 22 is operated for secondary expansion, and the receiving member 14 is moved to the core 6 as shown in FIG.
In this state, the load sensor 24 is turned on, that is, waits until the core 6 falls.

Then, when the load sensor 24 is turned on, that is, when the core 6 falls onto the receiving member 14, the lifting cylinder mechanism 22 is first shortened, and as shown in FIG. 4, the receiving member 14 is raised to the height shown in FIG. The robot is lowered to a position where

Next, the horizontal cylinder 21 is shortened, and the fifth
As shown in the figure, the receiving member 14 is moved to the right and to the right outer side of the mold device 1.

Next, the elevating cylinder 22 is shortened secondarily, and the receiving member 14 is lowered to the level at which the worker takes out the core, as shown in FIG.

The horizontal movement of the support member 14 in the left-right direction is achieved by supporting the base 11' by a bearing member 25 rotatable about the vertical axis L, as shown in FIG. The left end is connected to the base 11' eccentrically in the front-rear direction with respect to the vertical axis L, so that the base 1 is moved by the reciprocating movement of the cylinder rod 21b.
1' is reciprocated by 90 degrees around the vertical axis L, and during the forward movement, the receiving member 14 is moved between the upper and lower molds 5 and 4, and during the backward movement, the receiving member 14 is also moved to the outside of the mold device 1. It may be moved. Further, the load sensor may be replaced with a timer relay, and the power source of the drive device may be replaced with a motor with a reduction gear.

(Effects of the Invention) As is clear from the above description, according to the present invention, the core separated from the mold is received with a small impact load, and the received core is delivered to the outside of the molding machine by the operator. Since the core can be taken out at an appropriate height position, the core can be taken out from the molding machine without damaging the core and with less effort.

[Brief explanation of drawings]

FIG. 1 is an explanatory side view showing an embodiment of the present invention;
2 to 6 are explanatory side views showing each operation process, FIG. 7 is a flowchart, and FIG. 8 is an explanatory side view showing another embodiment. 1: Mold device, 2: Lower platen, 3: Upper platen, 4: Lower mold, 5: Upper mold, 6: Core. 1
0: pedestal, 12: top plate, 14: receiving member. 20: Drive device, 11: Base, 13: Link mechanism, 13
a: Link arm, P1 to P3: Pin, A: Long hole, 15: Wheel, 21: Horizontal cylinder mechanism, 21
a: cylinder case, 21b: cylinder rod,
22: Lifting cylinder mechanism, 22a: Cylinder case, 22b: Cylinder rod. 23: control device,
24: Load sensor.

Claims (1)

[Claims] 1 A pedestal for receiving a core and a drive device for moving the pedestal in the vertical and horizontal directions are provided, and the drive device is installed in a vertical mold in which the pedestal is spaced from the outside of the molding machine in the vertical direction of the molding machine. A first process in which the pedestal is moved horizontally to the middle part of the mold, a second process in which the pedestal is vertically moved in the middle part of the upper and lower molds, and a second process in which the pedestal is horizontally moved from the middle part of the upper and lower molds to the outside of the molding machine. The third step is
A cradle device for taking out a core from a molding machine, characterized in that a control device is provided for sequentially controlling the drive in a fourth step in which the pedestal is vertically moved outside the molding machine.