JPH041005A - Molded product removal method and molded product removal device - Google Patents

Abstract

PURPOSE:To permit an automatic ejection of moldings from a metal die in an extremely narrow space by a method wherein, when the metal die is opened, the molding is captured by an ejecting member and the molding-retaining ejecting member is lowered and turned upside down to release and place the molding on a transfer member. CONSTITUTION:When a die is opened, a molding is held by suction on an ejecting member 26 and the molding-retaining ejecting member is released by a fixed die 8, lowered and turned upside down to release and place the molding on a pallet 41 placed on a supporting stand 42. After the moldings have been piled up on the pallet 41 according to a predetermined stacking pattern by shifting the stacking positions, the molding-stacked pallet 41 is taken away from the supporting stand 42. Subsequently, a pallet transfer member 52 of a pallet supply mechanism 4 provided by the side of the supporting stand 42 is turned down to place a pallet 41 on the supporting stand 42. A series of the functions including the removal and stacking of the molding are performed in cycles and such a cyclic operation can be automatically repeated.

Description

Detailed Description of the Invention (Field of Industrial Application) The present invention is a molded product that can be taken out from a molding die and stacked on a pallet on a base. The present invention relates to a method for taking out a molded product and a device for taking out a molded product.

(Prior art) Examples of means for automatically taking out a synthetic resin molded product from a molding die include Japanese Patent Publication No. 58-29219 and Japanese Patent Publication No. 58-29219;
Some of them are disclosed in Japanese Patent Application Laid-open No. 9-21294 and Japanese Patent Application Laid-Open No. 61-57331.

In the means described in Japanese Patent Publication No. 58-29219, a crank mechanism is provided which is interlocked with the movable type side and which imparts a turning motion to the working end having a 3° angle to the suction side. , the molded product is attracted to the suction head, rotated and taken out.

In the means described in Japanese Patent Publication No. 59-21294, a conveying member disposed inside the dieper and outside the mold is run vertically on both sides of the mold and horizontally below the mold. A suction IF mechanism for suctioning the molded products is attached to the conveying member, and the molded products adhering to the movable mold are pivoted by the suction mechanism and taken out to the outside in an aligned state.

In the means described in Japanese Patent Application Laid-open No. 61-57331, when opening the vertically opposed fixed mold and movable mold, a member is interposed between the fixed mold and the movable mold to support the molded product. The receiver is dropped onto the member and moved out of the mold.

In addition, there is a method in which a synthetic resin molding mechanism is placed at a high location, the molded products are released from the mold, are dropped through an inclined runway, and are stacked manually. It was extremely inefficient due to the congestion of goods and manual stacking.

(Problem to be solved by the invention) When taking out synthetic resin molded products from a mold and stacking them with high efficiency and as small an installation space as possible, the molded parts are placed in a high position, There was a problem as to how to automate the process of automatically stacking molded products automatically taken out from the molding section onto pallets L.

(Means for Solving the Problems) The present invention automates the removal of synthetic resin molded products from the mold and the stacking of molded products, and claim (1) provides that fixed molds and movable molds are arranged at high locations. When the mold of a synthetic resin molding mechanism equipped with a mold is opened, the molded product is captured by the take-out member, and the take-out member that holds the molded product is lowered, and then rotated and laid down, and placed on the conveying member. The present invention provides a method for taking out a molded product, which is characterized in that the molded product held by a take-out member is released. A synthetic resin molding mechanism is provided, and an elevating body is installed on the machine base and is movable up and down by the vertical guide section of the supporting member, which is a supporting member that can move forward and backward in the horizontal direction. At the same time, a take-out member is provided whose base portion is pivotally connected to the elevating body and is movable up and down, and when the mold is opened, the elevating body is raised and the take-out member is advanced together with the support member to attach a capture member to the attached molded product. The molded product is released from the mold by the retraction of the capture member and the supporting member, held by the take-out member, and the elevating body is lowered and the take-out member is rotated and laid down to release the molded product. The present invention provides a molded product retrieval device having the following characteristics.

(Function) When the mold is opened, the elevating body is raised, the ejecting member is advanced together with the support member, the capture member is brought into contact with the molded product attached to the fixed mold or the movable mold, and the capture member and support member are moved back and forth. The molded product is separated from the fixed mold or the movable mold, held by the take-out member, the elevating body is lowered, the take-out member is rotated and laid down, and the molded product is released onto the pallet.
The molded product is automatically removed from the mold in an extremely narrow space.

(Example) The present invention will be described in detail together with an example of an apparatus shown in the drawings.

As shown in FIG. 1, FIG. 2, and FIG. 3, the molded product take-out stacking device 1 includes a molded product take-out device 2 according to the present invention, a molded product stacking weight side 3, and a pallet supply mechanism 4. Prepare,
A synthetic resin molding mechanism 7 is mounted on the beam part 6 of the frame 5,
This synthetic resin molding mechanism 7 includes a mold 10 consisting of a fixed mold 8 and a movable mold 9, and is located at a high place, approximately 3 m above the floor in this example.
Installed on the beam part 6! It is.

The synthetic resin molding mechanism 7 has a fixed part 1 facing the beam part 6.
1.12 is set upright, and the fixed mold 8 is mounted on the mounting board 13 attached to the fixed part 11. The fixed mold 8 is equipped with a protruding pin 8a, and is slidably attached to the guide rod 14. The movable mold 9 is mounted on a mounting plate 16 which is moved forward or backward by a cylinder 15.

In this example, four box-shaped foamed synthetic resin molded products (A) are placed together, and the opening (B) of the molded product (A) is directed toward the movable mold 9 side. is formed.

The molded product take-out device 2 includes a guide strip 18 on the top of a machine stand 17, and an operating cylinder 2 whose base is attached to a support 19.
0, a rod 21@ of the operating cylinder 20 is attached to the back, and a support member 22 is provided which is movable forward and backward along the guide strip 18. An elevating body 25 is provided along the portion 24 and is movable up and down.

A take-out member 26 is attached to the elevating body 25, the base of which is pivotally connected and movable up and down, and as shown in FIGS. 4 and 5, the elevating body 25 ascends or descends in a two-speed continuous manner. , when rising, the vertical cylinder 2 provided on the support member 22
The lower body part 2 of the elevating body 25 is
5A is raised to the first stage, and then the nut-shaped connecting member 30 is fitted to the vertical threaded rod 29 which is rotatable but immovable in the axial direction. The upper body part 2 of the elevating body 25 via the connecting member 30
5B is formed to be raised to the second stage, and the accuracy of the upper limit of the take-out member 26 that rises together with the elevating body 25, that is, the raising stop position, is ensured by the hole screw driving means.

The lower limit of the elevating body 25, in this example, the lower limit of the upper body part 25B to which the take-out member 26 is attached is the lowest position where the take-out member 26 is reversed, that is, the first stacking lowering position where the molded products are stacked. 2nd stacking lowering position, 3rd stacking lowering position, 4th stacking lowering value! It is controlled by detecting the stacked state using a phototube 32 so as to respond immediately to the situation.

As shown in FIG. 1 and FIG.
The support shaft 34 is rotated via a connecting member 37 attached to the end of the rod 36 of the binding cylinder 35 which pivots the lower support shaft 34 to the upper body part 25B and pivots the middle part to the upper body part 25B and moves the take-out member 26 up and down. , is movable in the direction of the arrow (a) in FIG. It is equipped with a pad 38a and is attached to the pipe part 38b.
As shown in FIG. 2, the take-out member 26 is lightened by a large number of cutout windows 3939, and a mounting tool 40.40 is used to attach the capture member 38 to the take-out member 26. ... are arranged in the shape of the base,
The attachment of the capture member 38 is selected in advance in consideration of the shape and size of the molded product, the state of the suction pad abutting portion, etc.

The ejection member 26 is inverted 90 degrees so that the ejection member 26 has a vertical shape when standing up and a horizontal shape when it falls down.

The molded product stacking mechanism 3, as shown in FIG. A support shaft portion 45 provided at the center of the lower surface of the support base 42 is rotatably attached to a bearing portion 44 provided at the bottom of the support base 42. As shown in FIG. The end of the rod 47 of the horizontal cylinder 46 is attached to a support piece 48 that hangs down around the periphery of the support base 42.
By controlling the full extension of the rod 47 and selecting the degree of extension, the rotation angle of the support base 42 is set to a predetermined angle, and the pallet 41 placed on the support base 42 is rotated by a predetermined angle.
Place the molded products (a), (a)...on top, and then place the support 4 on top.
2 to its original state and stacked the molded products on the pallet 41 (
A), (A)... The stacking position is placed above the group, and the next molded product (A), (A)... is formed so that it can be stacked, and the support base 42 can be removed. It is arranged corresponding to the lying position of the member 26.

As shown in FIG. 2, FIG. 3, FIG. 7, and FIG. The pallet delivery member 52 is provided with a support shaft 51 pivoted to the bearing part 50 of the shaft 49a, the base of which is pivotally mounted, and which can be rotated up and down.As shown in FIG. The suction member 53.5 is attached to the pallet 41 positioned and waiting by the pallet positioning member 55.55 provided on the vertical rod portion of the upright support frame 49a.
As shown in FIG. 11, the command switch 57 provided on the support base 42 is newly supplied with the suction pad 53a of No. 3 and the lowering motion caused by the operation of the cylinder 56 that raises and lowers the pallet delivery member 52. The pallet is pressed by the placement of another pallet, completing the placement of the pallet on the support base 42, and the next cycle of forming, taking out, stacking, and supplying the pallet is performed.

Following the molded product stacking mechanism 3, as shown in FIG.
A transfer mechanism 59 including a roller conveyor 58 is provided, and a rod 61 of a pushing cylinder 60 not provided on the machine base 17 is provided.
The pressing member 62 attached to the end can freely hit the end face of the pallet 41 placed on the support base 42, and the cylinder 60 is actuated to extend the rod 61 and the pressing member 62 hits the balent 41. Further, by extension of the rod 61, the pallet 41 is removed from the support base 42, and the pallet 41 stacked with molded products is transferred onto the roller conveyor 58.

The present invention is constructed as described above and operates as follows.

The mold 10 is closed by the advance of the movable mold 9, the cavity (not shown) is filled with foamed synthetic resin particles, and the molded product (a) is foamed and fused to form a foamed resin molded product. The mold 10 is opened by retreating, and as the elevating body 25 rises, the ejection member 26 is brought to a predetermined vertical position between the fixed mold 8 and the movable mold 9, and then, as the support member 22 moves forward, it is ejected. As the member 26 approaches the fixed mold 8, the suction pads 38a, 38a, . . .
・Inner bottom surface of molded product (A) attached to fixed mold 8 (
c), apply vacuum suction, and eject pin 8 of fixed mold 8.
The molded product (a) is released from the fixed die 8 by the protrusion of the support member 22, and the retreat of the take-out member 26 integrated with the support member 22, is held by the take-out member 26, and the elevating body 25 is lowered. It stops at the predetermined lower limit position of stacking, and the take-out member 2
6 falls down, reaches directly above the pallet 41 on the support base 42, releases the vacuum suction by the suction pads 38a, 38a, etc., and the molded product (A) is released and placed on the pallet 41. .

In this example, the molded product (A) is a box-shaped container body made of foamed synthetic resin, as shown in Figures 10 and 11, and four molded products (A) are placed on the pallet at the same time. 41
The molded products are stacked on top of each other to form the first stacked molded product group, and the take-out member 26
stands up.

During this time, the mold 10 is closed in the synthetic resin molding mechanism 7,
The molded product (a) is molded, the mold 10 is opened, and the elevating body 25
The take-out member 26, which is at the upper limit predetermined position, advances together with the advance of the support member 22, and the capture member 38.3
8... is brought into contact with the molded product (A) and vacuum suction is applied, and by the protrusion of the ejector pin 8a, the retraction of the support member 22, and the retraction of the integrated take-out member 26, the molded product (A) 1 (A) 1
(A) and (A) are held by the take-out member 26, the elevating body 25 is lowered, and the upper body part 25B is lowered to the predetermined position of the second stack! , the take-out member 26 falls down, and the molded product (a),
(A) (A) and (A) are released onto the first stacked molded product group, stacked, and the take-out member 26 stands up.

After the first stage is stacked, the support 42 is moved by the operation of the horizontal cylinder 46.
The balent 41 rotates at a predetermined angle together with the molded products, and when the second stage is stacked, the stacking position is shifted on top of the first stage molded products, and the first stage molded products (a), (a), and ), the opening (b) of (a) is exposed, and when the third stage is stacked, the pallet returns to its original state together with the support base 42, and the second
The third stacked molded product group stacked on top of the stacked molded product group is stacked with the stacking position shifted, and then the support base 42 is rotated, and the fourth stacked molded product group is stacked on top of the third stacked molded product group. Stack a group of molded products.

In this case, the third tier stacking position is the same as the stacking state of the first tier stacked molded products group, and the fourth tier stacking position is the same as the mounting state of the second tier stacked molded products group. 1st
As shown in Figure 3, the openings and corners (d) of the first, second, and third stage molded product groups are always exposed, and the opening of the fourth stage molded product group has an upward opening shape. becomes.

The molding of foamed resin molded products goes through the molding process and then to the aging and drying process, and during this aging and drying process, the stacking state is staggered in order to dry the moisture attached to the molded products brought from the molding process. Change the position 90 degrees and stack them so that the inside of each molded product can communicate with the atmosphere.
The pressure within the cells of the foam that makes up the molded product is returned to atmospheric pressure by allowing it to stand for a period of time, allowing it to harden so as not to shrink. Matured again,
After the drying process, the molded product is transferred to the next packaging and shipping process.
In this packaging and shipping process, several to several dozen molded products are re-stacked and packed.

Exposing the openings of each of the stacked molded products after removal from the molding is particularly useful for curing and stabilization of the foamed resin molded products, and curing of the molded products is further promoted by leaving the molded products stacked after being transferred.

In this way, in this example, four tiers of molded products are stacked on the pallet 41, and when the stacking of the fourth tier of molded products is completed, the pushing cylinder 60 is operated in a timely manner, and the pushing member 62 at the end of the rod 61 is activated. It collides with the end face of the pallet 41, and further the rod 6
By elongating Step 1, the molded products (A) and (A) are stacked in four tiers.
The pallet 41 loaded with... is removed from the support base 42, transferred onto the roller conveyor 58, and transported to a desired location.

When the pallet 41 loaded with molded products (A) is removed from the support base 42, the pallet delivery member 52 that has fallen down stands up, and another pallet 41, which is positioned and supported by the upright support frame 49a, moves to the suction member 53. 53... are held by the pallet delivery member 52 by suction and holding, and another pallet 4 is placed on the support base 42 by the collapse of the pallet delivery member 52.
1 is brought in, and the command switch 57 is pressed by another pallet 41, and suction and holding is released. In this way, another pallet 41 is placed on the support base 42, and the molded product stacking standby state is reached. becomes.

Thereafter, molding, unloading, stacking, and pallet feeding are performed automatically, and a series of molded product unloading, stacking, and transport is repeated.

Thus, when the mold is opened, the molded products (A), (B), etc. are attracted by the take-out member 26 and released by the fixed mold 8, and the take-out member 26 holding the molded products (A), (B), etc. The pallet 4 is lowered, laid down, and placed on the support base 42
The molded products (A), (B), etc. are placed open on the pallet 41, and the stacking positions are sequentially shifted and stacked. The pallet 41 loaded with . Then, a series of molded parts are removed and stacked in a cycle, and such cycles are continued to achieve automation.

(Effects of the Invention) The present invention automates the molding, unloading, stacking, transportation, and pallet feeding of synthetic resin molded products, thereby achieving significant labor savings and allowing the synthetic resin molding mechanism to be placed in a higher location! The ejecting member is moved up and down together with the elevating body, the ejecting member is rotated and raised, the molded products are stacked on the pallet on the support, the pallet loaded with the molded products is removed from the support, and Place the pallet on the stand! The whole device extends in the vertical direction, in other words, in the height direction, and the planar installation space can be made as small as possible, and it is like assembly work from the top to the bottom, making it extremely efficient and productive. The expansion can be improved.

[Brief explanation of the drawing]

Figure 1 shows how the molded products of the present invention are taken out and stacked! FIG. 2 is a front view taken from the line ■-■ in FIG. 1, FIG. 3 is a plan view taken from the line ■-■ in FIG. Fig. 5 is a detailed view of the main part of the pole screw mechanism, Fig. 6 is a sectional view of the main part of the structure for rotating the support of the molded product stacking mechanism, and Fig. 7 The figure is a side view of the main parts of the pallet supply mechanism, Fig. 8 is a front view of the main parts of the pallet supply mechanism, and Fig. 9 is the related structure between the support of the molded product stacking mechanism and the pallet delivery member next to the valent supply m. 10 is a front view of a foamed synthetic resin molded product molded by applying the present invention, FIG. 11 is a plan view of the same, and FIG. 12 is a perspective view of the same in a stacked state. FIG. 13 is a plan view of the same. 2... Molded product removal device, 7... Synthetic resin molding mechanism, 8... Fixed mold, 9... Movable mold, 10... Mold,
17... Machine base, 22... Support member, 23... Lifting body support part, 24... Vertical travel guide part, 25... Lifting body, 26... Takeout member, 38... Capture member, (a)
···Molding. Sheep episode 1st early episode

Claims (2)

[Claims] (1) In a synthetic resin molding mechanism equipped with a mold arranged at a high place and consisting of a fixed mold and a movable mold, when the mold is opened, the molded product is captured by the take-out member, and the take-out member that holds the molded product is A method for taking out a molded product, which comprises lowering the molded product and then rotating and laying it down to release the molded product held by the take-out member onto a conveying member. (2) A synthetic resin molding mechanism that is located at a high place and is equipped with a mold consisting of a fixed mold and a movable mold, and an elevating body support section that is a support member that is mounted on the machine base and can move forward and backward in the horizontal direction. An elevating body that can be moved up and down along the vertical guide section is provided, and a capture member is provided on the front side, and a take-out member whose base is pivoted to the elevating body and can be moved up and down is provided, and when the mold is opened, it can be raised and lowered. The body is raised, the ejection member is advanced together with the support member, the capture member is brought into contact with the adhered molded product, the molded product is released from the mold by the retraction of the capture member and the support member, and is held by the ejection member. A molded product retrieval device characterized in that the molded product is released by lowering the body and rotating and laying down the retrieval member.