JPS5829614A - Mold apparatus - Google Patents

Abstract

PURPOSE:To obtain a mold apparatus which is inexpensive, and by which the molding cycle is shortened, and succeeding steps can be easily arranged after the removal of the molded item, by providing, outside of the mold, a mechanism for separating the molded item and an ejector pin. CONSTITUTION:Synchronously with the action of the removal of a molded item 1 from a core 3 by an ejector pin 8, a connecting pin 19 is moved by an auxiliary plate 20. A slide block 16 secured to a removal block 12 is actuated by a cam groove 13' and a cam pin 17, and clamps the molded item 1 with it being connected to the pin 8, and when a cylinder 21 is moved forward, the molded item 1 and the pin 8 are completely removed from the mold. The molded item is moved by gravity outside of the mold through a guide section 23 of the removal block 12, and is led to a mold receiver 14 where it is arranged for the succeeding step.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic take-out device for molded products.
,',i The purpose is to reduce the equipment cost, shorten the molding cycle at the same time, reliably take out the molded product from the mold, and make it easy to align it in the next process even after taking it out.

Conventionally, automatic foaming of molded products uses a removal robot installed outside the mold, so (1) the robot equipment is expensive.

(2) After opening the mold, the mouth bot must enter the mold to take out the mold, and then move out of the mold, which takes too much time to take out the molded product.

(3) A mold opening stroke is required for the robot to move in and out when the mold is opened, which takes a long time to open and close the mold, which hinders shortening of the cycle.

(4) Mistakes in the opening and closing of the mold and the operation of the robot are likely to occur, potentially damaging the expensive mold.

It had drawbacks such as.

Therefore, the inventor of the present application has already proposed a molding device which eliminates the above two drawbacks in Japanese Patent Application No. 122628/1983. This is because a take-out block with a guide part that guides the molded product to the outside of the mold is installed inside the mold, and can be engaged with the molded product when the mold is opened. It is supported so that it can move between the molds and is synchronized with the opening and closing operations of the mold.This structure shortens the removal of the molded product, shortens the opening and closing time of the mold, and has the effect of shortening cycles. Met. However, in such a configuration, since the take-out block is provided within the mold, there is a problem that the take-out block can only be applied to the mold.

The present invention is intended to eliminate the drawbacks of the above-mentioned mold apparatus, and embodiments thereof will be described below with reference to FIGS. 1 to 7.

1 is a molded product, 2 is a cavity plate, and core plays 1 and 3 are provided opposite to this cavity plate 2. 4 is a spacer block for ensuring the protrusion space, and 5.6 is a mounting plate for mounting several molds each consisting of cavity plate I/2 and core plate 3 on the molding machine.

7 is a protrusion plate; 8 is an ejector turbine fixed to the plate to separate the molded product 1 from the mold; and 9 is fixed to the protrusion plate and is slidable within the core plate 3;
It is built into the molding machine and has a protruding part. 11 is molding (hot water [] for injecting resin, die casting, etc. into the mold).
13iJ:III, 1.C, Mechanical method V (This is the 1st river block in the guide section A for moving the molded product out of the mold. 14 iJ: Iry ll + block or r) The molded product that has been moved is further moved to the next 2 TI', '. 1lii Cushion made of pie or urethane to protect against scratches, 16 is a slide block connected to the take-out block 12, 17 is fixed to the slide block 16 and slides through the car cam groove to increase 1 block. Activate the button,
Pin, 18.19 is a river 1 eff "no" on one of the 4 cams.
J'1.Slidably mounted by the screw i8a. 21, 22iJ:J
It is a cylinder and an auxiliary plate that performs the second operation.

Said extraction block 12.1itrt mold opening u,'jVC
Cam pin 1 and cam groove synchronized with the operation of the molding machine between the position 1]-1, which can be secured to the molded product, and the place waiting outside the mold when the mold is closed. It has a structure in which it is driven by 13' and a cylinder 21.

In the structure described in -1-, when the mold is closed, hot water [the resin injected into the mold from 111, die casting, etc. is cooled]1. Remove molded product 1. At this time, the take-out block 12゜12' is in a predetermined position outside the mold, and in order to take out the solidified molded product, the space between the mold plates 2 and 3 begins to open, and the cavity plate 2 is also separated. , the molded part is connected to core 3! When the molded product is opened a certain distance, the molded product is separated from the core by the protruding rod 9 via the protruding plate 7 and the ejector pin 8. Auxiliary plate 20 is attached to protruding play 1-7 in time with this movement.
is the connecting pin 19 attached to the slide block 18.
move. At this time, the slide block 16, which was assembled into the slide block 18 and fixed to the take-out block 12.12, was operated by the cam groove 13' and the cam pin 17, and the take-out block 12.12' was connected to the ejector turbine 8. ] The one-dimensional molded product 1 is sandwiched, and the cylinder 21 moves forward, so that the molded product 1 and the ejector turbine 8 are completely separated from the mold. The molded product is completely separated from the mold and moved by its own weight or air pressure, or by a mechanical moving device, etc.
The mechanism allows the molded products to be safely guided to the waiting molded receiver 14, aligned and connected to each other at a low cost, and safely separated from the mold. I can put it out.

In addition, the cam that operates the take-out block 12 and the sliding part set on the side of the mold (31: ease of maintenance, similar sounds) can be applied as a whole to 114, etc. It has the advantage of being easy to convert into units, and can be kept in stock and applied.

FIG. 4 shows an example in which the take-out book 12, 12' is placed on standby outside the nozzles ql and I. In this case, a sliding block 25 is installed on the auxiliary block 24 attached to the core plate 3, and each cylinder 26.
7 is set, and the take-out block is connected to the cylinder 27 and moves the molded product 1 out of the mold in synchronization with the opening and closing of the mold.

Figure 6 shows 2 after the molded product is sandwiched between cylinders 27.
6 cylinder is activated and the slide block 25 is moved forward)
FIG. 2 is a diagram showing the molded product completely separated from the mold.

The subsequent operations are the same as those shown in FIGS. 1-3.

Figure 6.7 is an example of taking out a large number of pieces with the direction of take-out being horizontal. In this case, since the mold had four cavities, two sets of take-out blocks 12.12' were assembled.9 After the moldable product 1 was separated from the mold, it was assembled into the take-out blocks 12.12'. The molded products are moved laterally by a moving claw 29 connected to the cylinder 28, and are aligned in a continuous manner on the waiting molded product receiver 14.

According to the present invention, 1: If the molded product is removed from the mold,
When removing the mold, there is no need to use an expensive robot, the equipment cost is low, and the mold opening stroke is also small, significantly improving the production cycle and eliminating robot timing errors. 1: 1' to prevent damage caused by jamming in the mold! '! It has a remarkable effect.

Furthermore, by providing it on the outer wall of the mold, it has the effect that it can be attached to similar molds, allowing for common use of extraction.

[Brief explanation of drawings]

FIG. 1 is a plan view of the core side of a mold device according to an embodiment of the present invention, and FIG. 2 is a t? (Y-axis) direction, FIG. 3 is a front view of the plate 13 under the force l shown in FIG. 2, and FIG. Figure 5 shows the state in which molded product 1 is completely separated from the mold.
FIG. 6 is a partial cross-sectional view of the mold device, and FIG. 7 is a plan view of the mold device in another embodiment of the present invention in which the take-out block is horizontally (Xi drawing) ten slots to make multiple pieces. FIG. 2 is a plan view of a main part showing a state in which a molded product of the same mold device is moved laterally and delivered to a mold tray 1; 2...Cavity play 1, 3-...Core plate, 12--1fl output. Ivy, 23--Guide portion, 26.27--° cylinder (take-out block drive means). Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure JP-A-58-29614 (4) Figure 5 Procedural amendment l Case display 1988 Patent Application No. 128926 2 Name of invention Mold device 3 Person making amendment Relationship with 211 cases 1'11 Permission
Application location 10 Oaza Kadoma, Kadoma City, Osaka Prefecture
06 Address Name (582) Matsushita Electric Industrial Co., Ltd. and 1-
Representative: Toshihiko Yamashita 4 Agent: 571 Address: 1006 Oaza Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. Specification 1 Name of Z-type device 2, Claims (1) Cavity plate and core An openable and closable mold having a plate, an ejector turbine configured to separate a molded product fixed to the core plate from the core plate when the mold is opened, and a take-out position and mold that can be secured to the molded product after operation of the eject turbine. A plurality of take-out blocks that are movably supported between a waiting position located inside the mold or outside the mold when closing the mold, and have a guide section that guides the molded product to the outside of the mold, and an ejector turbine that fixes the molded product. A mold device comprising driving means for driving a take-out block engaged with a molded product so as to separate the molded product from the core plate, and a drive means detachably attached to a core plate. 2. The mold apparatus according to claim 1, wherein the guide part is provided so as to be able to reciprocate within the guide part, and provides a means for transporting the molded product out of the mold by contacting the guide part. Detailed Description of L Ming The present invention relates to an automatic ejecting device for molded products, which particularly reduces equipment costs, shortens the molding cycle, and reliably ejects the molded product from the mold at JIV, and also performs the following steps after ejecting. The goal is to create a shape that makes it easy to align the processes. Conventionally, automatic ejecting of molded products uses a ejecting robot installed outside the mold; (1) robot equipment is expensive; (2) After opening the mold, it is necessary for the opening bot to enter the mold and take it out, and then to move it out of the mold, so it takes less time to take out the molded product. (3) Mold opening step for the robot to enter and exit when opening the mold)
O-ri is required, and the opening and closing time of the mold is hindered from shortening the cycle. (4) Mistakes in the opening and closing of the mold and the operation of the robot are likely to occur, potentially damaging the expensive mold. He complained of such shortcomings. So, how did this book solve the above drawbacks in the old days? 4' to the whole mold equipment! j'K (fi 1972-122628
'r', ','jJc proposed this.This←1, a take-out block with a guide part that guides the molded product to the bottom of the mold is provided in the mold, and when the mold is opened, the molded product and It is supported so that it can be moved between an unloading position where it can be held and a standby position located indoors when the mold is closed, and is configured to be synchronized with the opening and closing operations of the mold, thereby shortening the unloading time of the molded product. , and the mold opening/closing time is short, which has the effect of shortening the cycle.However, in such a configuration, the take-out block is provided within the mold, so the take-out block is only attached to that mold. In other words, in the operation of separating the molded product and the ejecting pin, the means for driving this operation is a spring, and this spring is installed inside the mold, so it is impossible to use it interchangeably. The present invention is an improvement of the above-mentioned mold device, and examples thereof will be explained below based on FIGS. 1 to 7. 1rJ-molded product, 2 is a cavity plate; , a core plate 3 is provided opposite to the cavity plate 2. 4d, a spacer block for securing the protrusion space, 6, 6 attaches the mold composed of the cavity plate 2 and the core plate 3 to the molding machine. 7 is a protruding plate; 8 is an ejector pin which is fixed to the plate to separate the molded product 1 from the mold and is slidable within the core plate 3; and 9 is an ejector pin. This is a protruding rod built into the molding machine. 11 is a sprue for injecting resin, die casting, etc. from the molding machine into the mold. 12 is a sprue that allows the molded product 1 to fall under its own weight, air feed (not shown),
This is a take-out block that has a guide section for moving the molded product out of the mold by a mechanical method. 13id is a cam plate that operates the second take-out block, and 14 is a molded product receiver that moves from the take-out block to further move the molded product to the next process. 15 is a cushion using a spring or urethane to prevent collision of the molded product, 16 is a slide block connected to the take-out block 12, and 17 is fixed to the slide block 16 and slides in a cam groove to operate the take-out block. Page cam pin, 18.19 is presser block 18 on the cam plate.
Slide block B slidably mounted by a
and a connecting pin, 20 is an auxiliary plate attached to the protruding plate 7, and 21 and 22 are a cylinder and an auxiliary plate that provide a second movement to the extraction block. The take-out blocks 12 and 12' are provided with cam pins 17 and cam grooves 13 that synchronize the operation of the molding machine between the take-out position where the molded product can be engaged with when the mold is opened and the waiting position outside the mold. ' and a cylinder 21. In the above structure, when the mold is closed, the resin, die cast, etc. injected into the mold from the sprue 11 are cooled and become the molded product 1. At this time, in order to take out the molded product which has been solidified and is in a predetermined position inside the curve and outside the mold, the space between the mold plates 2 and 3 begins to open, and the molded product is first separated from the cavity plate 2. -1 connected to core 3
1. When the core is opened a certain distance, the molded product is separated from the core by the protruding rod 9 via the protruding plate 7 and the ejector turbine 8. In synchronization with this operation, the auxiliary plate 20 added to the protruding plate 7 is attached to the slide block 18 to move the connecting bin 19. At this time, the slide block 16 is assembled into the slide block 18 and fixed to the take-out blocks 12 and 12'.
The extraction block 12, 12' is operated by the ejector turbine 8.
The molded product 1 and the ejector turbine 8 are completely separated from the mold by the advancement of the cylinder 21, and the molded product completely separated from the mold has its own weight. Using falling height, air pressure, or a mechanical moving device, the molded product is moved out of the mold through the guide section 23 of the take-out block 12, safely guided to the moving molded product receiver 14, and aligned for the next process. Molded products can be taken out of the mold in portions quickly and safely at low cost. Furthermore, the structure in which the cam that operates the above-mentioned take-out block 12 and the sliding part are placed on the 11II surface of the mold has the advantage of ease of maintenance and the ability to apply the entire device to similar molds. Another advantage is that the cam part can be easily made into a unit and can be stocked and applied. FIG. 4 shows an example in which the take-out blocks 12, 12' are placed on standby outside the mold. In this case, a slidable slide block 25 is installed on the auxiliary block 24 attached to the core plate 3, cylinders 26 and 27 are set on each, and the take-out block is connected to the cylinder 27 to control the timing of opening and closing of the mold. At the same time, the molded product 1 is moved out of the mold. Figure 5 shows 2 after the molded product is sandwiched between cylinders 27.
6 is a diagram showing the molded product completely separated from the mold by operating the cylinder No. 6 to move the slide block 25 forward. The subsequent operations are the same as those shown in FIGS. 1-3. Figures 6 and 7 are examples of taking out a large number of pieces with the take-out direction being horizontal. In this case, since the mold was made with 4 cavities, 2 sets of 12 and 12 take-out blocks were incorporated, and the molded product 1
After separation from the mold, the moving claw 2 connected to the cylinder 28 installed in the take-out block 12, 12'
9 to move the molded products laterally and align them in a continuous manner on the waiting molded product receiver 14. As described above, according to the present invention, when removing a molded product from a mold, like the mold device already proposed by the present inventor,
After the molded product is ejected by the ejector turbine, the mechanism for separating the molded product held by the ejector turbine is placed outside the mold, instead of using a spring installed inside the mold, to separate the molded product and the ejector turbine. By providing the mechanism, it has the effect of making it possible to share the extraction process by being able to attach it to similar molds. 4. Brief description of the drawings Fig. 1 is a plan view of the core side of a mold device that is an embodiment of the present invention, Fig. 2 is a sectional view of the same mold device in the longitudinal (Yll+) direction, and Fig. 3 2 is a front view of the cup/plate 13, and FIG. 4 is a sectional view of a mold device according to another embodiment of the present invention.
Fig. 5 is a partial sectional view of the same mold device showing a state in which the molded products 1 have been completely separated from the mold, and Fig. 6 shows the take-out block set in the horizontal direction (X 1111b) and a large number of FIG. 7 is a plan view of a main part of the mold apparatus according to another embodiment of the present invention, showing a state in which a molded product of the same mold apparatus is moved laterally and taken out of the mold. 2...Cavity plate, 3...Core plate, 12...Take-out block, 23...
...Guide section, 26.27...Cylinder (
take-out block drive means).

Claims (1)

[Claims] (1) An openable/closable mold having a cavity plate and a core plate, supported so as to be movable between a take-out position where it can engage with a molded product when the mold is opened and a standby position located outside the mold when mold 1 is closed. , a plurality of take-out blocks having guide parts for guiding the molded product to the outside of the mold; a take-out block for moving the take-out blocks in synchronization with the opening/closing operation of the mold; The mold apparatus according to claim 1, having means for transporting the mold to the outside.