JP3138089B2 - Alignment device for taking out and molding foam - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in an apparatus for taking out and aligning a foamed molded product which is automatically taken out and stacked for connection to a next step such as transfer and packaging.

[0002]

2. Description of the Related Art As a method for taking out a foamed molded product from a so-called horizontal type foaming molding machine provided with a pair of dies which approach and separate in a horizontal direction, a vertically erected vertical opening in a mold opening space of the dies is known. A foam molded article take-out device provided with a pair of guide rails, each of which has a portion, a horizontal portion provided in a lower space outside the molding machine, and a bent portion for smoothly connecting the vertical portion and the horizontal portion, is used. A method has been proposed by the present inventor (see JP-A-3-83628).

In the unloading device C disclosed in the above publication, as shown in FIG. 9, a guide rail C1 is extended into a lower space outside the molding machine B, and the foam molding is pushed from above by the extended portion. Since the foamed molded body 10 that is ejected and extruded is vertically stacked on a horizontal conveyor C2 prepared below, it is necessary to install the foamed molding machine B on a tall installation base D. However, in such a configuration, the foam molding machine B is installed at a high place, and the workability is deteriorated, which is also dangerous. When a new foam molding machine B and an unloading device C are provided, a factory can be designed so that such installation can be performed. In the case where the foam molding machine is provided, it is limited by the height of the base surface on which the foam molding machine is installed and the height of the building, and it cannot be expected that the foam molding machine can be freely mounted. In addition, even if a new factory is designed and built, the installation base D,
Foam molding machine B and mold replacement space (replacement mold (B1)
(E1), which is a work space for carrying grains (E1), and the height of the building becomes extremely high. Further, providing the stacking space below the guide rail by extending the guide rail inevitably results in a lower stacking height, which limits the stacking amount and eliminates room.

[0004]

SUMMARY OF THE INVENTION The present invention relates to a foam molded article which can be easily integrated with an existing foam molding machine, has good workability, is high in safety, and has a large stacking space. An object of the present invention is to provide a take-out and alignment device.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the invention according to claim 1 of the present application is a foaming apparatus having a pair of dies (6) and (7) which are close to and separated from each other in a horizontal direction. A vertical portion (11a) extending from the mold opening space of the molding machine B to the outside of the molding machine and being substantially parallel to the mold surface in the mold opening space, and substantially perpendicular to the mold surface in the outside of the molding machine. Horizontal portion (11c), and a bent portion (1) for smoothly connecting the vertical portion (11a) and the horizontal portion (11c).
1b), a pair of guide rails (11) is extended, and reciprocates along the guide rails (11). A molded body transport member (12) configured to hold the ejected foam molded body (10) is provided, and a transport member driving device (13) for reciprocating the molded body transport member (12) is provided. The foamed molded body (10) is transported at the above-mentioned opposed position of the molded body transporting member (12).
An eject pin (9) for pressing against the (12) is provided on the molded body receiving side mold (6), and a horizontal portion of the guide rail (11) is provided.
Extrude the foam molded body (10) from the transport member above (11c)
A push-out means (15) for moving the guide rail (11) horizontally.
The foam molded body (10) extruded below the part (11c) is stacked
And an alignment means (16). The technical means of:

[0006] In the present invention, the molded body containing mold refers to the mold holding the foam molded article (10), and is not necessarily the cavity mold (6) side, but the mold. Core mold (7) that is attached to the parting surface of the product and removed
Also means

The molded article conveying member used in the present invention (12)
Any structure may be used as long as it can reliably hold and transport the foam molded article ejected from the mold. In addition, this molded body transport member (12),
Although it may be configured as an integral body, it may be configured separately with a transfer frame member disposed on the guide rail and a molded body transfer member that receives and holds the molded body. As a configuration for receiving and holding the foamed molded article, for example, as described in an example described later, a foamed molded article fitting through hole (1) equal to the layout of the foamed molded article in the cavity mold (6).
4a) a through-hole method, a method in which a cross-bar crossed vertically and horizontally can be freely slid to transfer foam moldings of any size, or a vacuum pad that sucks foam moldings with a vacuum pad Examples include an adsorption method, but are not limited thereto.
Further, as described above, when the molded body transporting member (12) is configured separately from the transporting frame member (12A) and the molded body transferring member (14), the transporting frame member (12A) is opposed to the transporting frame member (12A). When the position is reached,
A transfer member moving cylinder (2) for moving the molded body transfer member (14) from the frame member (12A) toward and away from the foam-molded body-side mold.
The configuration in which 0) is attached is also preferable.

The transport member driving device (1) used in the present invention
As 3), for example, the molded body conveying member (12) can be connected to the molded body conveying member (12) in the forward and reverse directions along the guide rail (11 ).
And a drive unit that drives the traction means in forward and reverse directions. As the traction means, for example, an annular chain body (13c) stretched along a guide rail (11), and this chain body
(13c) and a connecting member (12d) (1
31). As the driving body, for example, a motor having a rotating shaft engaged with the traction means and capable of rotating forward and backward can be cited. Further, it is preferable to use a servomotor (13e) that can be switched between high speed and low speed and can stop at a position where the motor has run at a low speed for a set deceleration traveling distance after being decelerated by a deceleration command. Further, a so-called self-propelled configuration in which the molded body conveying member (12) and the guide rail are engaged by a rack and pinion structure and a motor is mounted on the conveying member may be employed.

According to the invention of claim 1 of the present application,
The molds (6) and (7) of the foam molding machine are opened. The molded body conveying member (12) is moved along the guide rail (11), is inserted between the separated molds (6) and (7), and is opposed to the molded body housing side mold (6) surface. . Next, the foam molded body (10) is taken out of the molded body housing side mold (6) by the eject pin (9). The removed foamed molded product (10) is used as the molded product transport member (1).
2) is held. Thereafter, the conveying member (12) is moved upward from the mold opening space outside the molding machine along the guide rail (11) and stopped at the guide rail horizontal portion (11c). Therefore, the foam molded body (10) held by the molded body transport member (12)
Is released by the pushing means (15), and
Are vertically stacked on the aligning means (16) below .

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the illustrated embodiments, but the present invention is not limited thereto. Embodiment 1 An example of a foam molded article removal and alignment apparatus of the present invention will be described with reference to the drawings. FIG. 1 is a schematic front view of an example of a foam molding machine B provided with a foam molded article removal aligning device A, and FIG.

In FIG. 2, a foam molding machine B is a machine base (1).
The fixed die plate (2) and the cylinder plate (3) fixed above are inserted and fixed with four tie bars (4). The moving die plate (5) is inserted through the tie bar (4) and the hydraulic cylinder (3a) mounted on the cylinder plate (3)
To slide left and right. The cavity mold (6) is mounted on the fixed die plate (2), the core mold (7) is mounted on the movable die plate (5), and the molds (6) and (7) are mounted on the left and right sides of the die plate (5). Opening / closing contact / separation is performed by sliding motion. In the foam molding machine B, when the mold is opened after molding, the cavity mold (6)
Since the foam molded product (10) is housed in the cavity, in this example, the molded body housing side mold is described as the cavity mold (6).

When the mold is opened, the ejector frame (8) is pulled by the rightward movement of the movable die plate (5), and the ejector pins (9) are operated to move the foam molding (10) into the cavity mold. Eject from (6) to the right.

Next, the foaming molded article removing and aligning apparatus A will be described with reference to FIGS. The apparatus A reciprocates along a pair of guide rails (11) and (11) extending from the mold opening space of the foam molding machine B to the outside and upward of the molding machine B. Molded article conveying member arranged
(12), a conveying member driving device (13) for reciprocatingly driving the conveying member (12), and an extruding means (15) for extruding the foam molded body (10) from the conveying member (12), and extruded. And an alignment means (16) for aligning and piling the foamed molded product.

The pair of guide rails (11) are in contact with the inner surfaces of the four tie bars (4) of the foam molding machine B by means of guide rail fixing tools, and the vertical portions (11a) held substantially parallel to the mold surface. )
And a round part (11b) smoothly connected to the vertical part (11a) and extending to the outside and above the foam molding machine B; and a smooth part connected to the round part (11b) to the mold surface. And a horizontal portion (11c) held substantially vertically. The guide rail (11) is fixedly supported outside the molding machine B on the inner surface of a pair of left and right side frames (11d). The guide rail vertical portion (11a) is provided such that the molded body transport member (12) is in contact with the mold surface of the cavity mold (6).

As shown in FIG. 3, a pair of guide rollers (12a) and (12b) are formed on upper and lower sides of the outer side of the molded body transporting member (12). It is provided to be. The transfer member (12) has dimensions substantially equal to the vertical and horizontal dimensions of the cavity mold (6), and is equal to the layout of the foam molded body in the cavity mold (6), and the foam molded body fitting through hole (14a). Are drilled. The through-hole (14a) for fitting a foamed molded product is provided with a foam molded product fixing piece (14b) made of a thin plate of, for example, a synthetic resin or stainless steel on the periphery thereof. Further, each of the roller mounting brackets (12c) of the two sets of guide rollers mounted on both upper outer sides of the transport member (12) has a transport member driving device (13) to be described later.
The connecting bar (12d) (12d) for connecting with the pin joint
(12e) It is supported by (12e).

A pair of guide rollers (12
a) (12b) is a guide rail to be clamped as shown in FIG.
They are arranged so as to form a predetermined angle θ (= about 15 °) with each other via (11). Then, the arrangement of the two sets of guide rollers on the same side of the molded body conveying member (12) is as follows.
(12a) (12a) located inside the curve of the radius part (11b)
However, they are set so as to be closer to each other inward than those (12b) and (12b) located outside the curve. FIG. 4 shows a preferred relationship between the angle θ and the center of curvature of the radius portion (11b) and two sets of guide rollers provided on one side of the mounting frame (12).

The molded article transport member (12) is divided into a transport frame member provided on the guide rail and a molded article transfer member for receiving and holding the molded article. Any configuration is possible. In this case, each time the mold of the foam molding machine B is exchanged, it is convenient because it can be replaced with a transfer member manufactured according to the layout of the surface of the cavity mold of the new mold.

As shown in FIG. 1, the conveying member driving device (13) includes an upper sprocket wheel fixed to a rotating shaft (13a) provided at a front end of the guide rail horizontal portion (11c),
A lower sprocket wheel fixed to a rotating shaft (13b) provided at a lower end of the guide rail radius portion (11b), a drive chain (13c) stretched between these sprocket wheels, and the drive chain ( The rotation shaft (13d) provided in an appropriate number inside the curvature of the radius portion (11b) so that the (13c) can move smoothly along the radius portion (11b), and on the front end of the guide rail horizontal portion (11c). Fixed servo motor (13
e) and a drive transmission chain stretched between a sprocket wheel fixed to the shaft of the servomotor (13e) and a sprocket wheel fixed to the rotating shaft (13a).
(13f). Drive chain (13c)
As shown in FIG. 5, the connecting member (12) is connected to the drive chain (13c). As shown in FIG. ) On the roller mounting bracket (12) of the transport member (12).
The other end of the connection bar (12d) supported by (c) is connected by being supported by a pin joint. The servomotor (13e) can be switched between high speed and low speed, and can be stopped at a position where it has run at a low speed for a set deceleration traveling distance after being decelerated by a deceleration command. With the above configuration, the servo motor (13e)
With the reverse rotation, the drive chain (13c) can be moved in the forward and reverse directions via the drive transmission chain (13f),
The transport member (12) can be reciprocated along the guide rail (11) and stopped at a predetermined position.

The pushing means (15) is provided on the guide rail horizontal portion.
Above the conveying member stop position in (11c), a plurality of extrusion cylinders (15a) and driving means (not shown) are provided. It is preferable that the number of the extrusion cylinders (15a) is equal to the number of the through holes (14a) formed in the conveying member (12). Each extrusion cylinder (15a)
Has an extrudable rod with an extrusion fitting (15b) attached to the tip, and is provided corresponding to each through hole (14a) of the transport member (12) stopped at the guide rail horizontal portion (11c). These extrusion cylinders (15a) are configured to be capable of simultaneously performing an extrusion operation.

The aligning means (16) is provided on the guide rail horizontal portion.
(11c) is arranged below the conveying member stop position, and the alignment table (16a) configured to be able to move up and down, and foam molding according to the extrusion operation of the extrusion means (15) until a predetermined number of stacking is completed. Alignment table (16a) by the amount corresponding to one stacking height of the body
And an unillustrated unloading means for unloading the stacked foamed articles to the adjacent conveyor (17).

The main operations of the apparatus A for taking out and aligning a foamed molded article and the foaming molding machine B constructed as described above will be described. With the molds (6) and (7) of the foam molding machine B closed, the styrofoam prefoamed raw material in the cavity is heated and fused, and then cooled to form a foam molded body (10). Start opening (7). Mold opening distance is the conveying member
When (12) becomes large enough to be inserted, stop the mold opening once.

At the same time, the servo motor (13e) is driven to rotate forward, and the drive chain (13c) is driven via the drive transmission chain (13f).
Is moved in the direction indicated by the solid line arrow (→) in FIG. 1, the molded body conveying member (12) is moved in the same direction, and the guide rail horizontal portion (1) is moved.
From 1c), it is lowered to the vertical part (11a) via the round part (11b). At this time, since the guide rollers (12a) and (12b) of each set provided on the conveying member (12) are set to be inclined at the predetermined angle θ as described above, they pass through the round portion (11b). When it does, it can be passed smoothly without rattling.

The conveying member (12) is formed by a round portion (1
When passing through 1b) and moving to the predetermined position of the vertical portion (11a), when the deceleration command is output to the servo motor (13e) and the speed is reduced, the moving speed of the transport member (12) is also reduced, and from there. It is moved and stopped by a preset distance. This stop position (bottom dead center) is located at each through-hole provided in the conveying member (12).
(14a) is set to be in a state corresponding to each foam molded body (10) molded in the cavity mold (6). In the stopped state, the transfer member (12) is in a state of substantially contacting the mold surface of the cavity mold (6).

After confirming the above state, when the mold opening is started again, the movable die plate (5) moves rightward and pulls the eject frame (8), and each foam molded body (10) moves rightward from each cavity. Is ejected to Each foam molded body (10) is smoothly received in the foam molded body fitting through hole (14a) which is slightly larger than the outer contour of the foam molded body (10). At this time , fix the foam molding on the periphery of the through hole (14a)
The pieces (14b) are aligned so that the receiving posture of the foam molded body (10) is substantially perpendicular to the fitting through hole (14a), so that the foam molded body (10) can be reliably received.

Next, when the servo motor (13e) is driven to rotate in the reverse direction and the drive chain (13c) is rotated in the reverse direction, the conveying member (12) is moved up the guide rail vertical section (11a) and the round section (11b). ) Is returned to the horizontal portion (11c).
When the motor is moved to the predetermined position, a deceleration command is output to the servo motor (13e) in the same manner as described above, and the servo motor (13e) moves by a predetermined distance and stops. The stop position is the transfer member stop position, below which the alignment table (1) of the alignment means (16) is located.
6a) is raised to prepare for receiving the foamed molded article.

In the stopped state, the extruding cylinders (15a) of the extruding means (15) are simultaneously driven, and the foamed moldings (10) held on the molded body conveying member (12) by the respective rods are simultaneously moved downward. And placed on the alignment table (16a). In addition,
Each time the extrusion operation is repeated, the alignment table (16a) is lowered by one step in advance. After discharging the foam, each extrusion cylinder
In (15a), the rods are retracted at once and return to the initial state.

The above-described series of operations of forming → receiving the molded body → moving → extrusion is repeated a predetermined number of times, and when a predetermined number of the stacked units are stacked on the alignment table (16a), the adjacent conveyor (17)
To be carried out.

Embodiment 2 Another example of the apparatus for taking out and aligning a foam molded article of the present invention will be described. The apparatus 1 for removing and arranging a foam molded article of this embodiment is the same as that of the first embodiment.
The molded body transfer member (12) is divided into a transfer frame member (12A) disposed on the guide rail and a formed body transfer member (14) formed with a foamed molded body fitting through hole (14a), Except that the transfer member (14) is detachably attached to the frame member and the transfer member moving cylinder (20) is provided, the transfer member (14) is the same as that shown in the first embodiment. The same reference numerals as those in the first embodiment denote the same members as those of the first embodiment, centering on the member (12), and a description thereof will be omitted. That is, as shown in FIGS. 7 and 8, the transport member frame member (12A)
The frame member (12A) and the molded body transfer member (14)
And a transfer member moving cylinder (20) (20) for connecting the two. Each of the moving cylinders (20) is
A) is fixed to a mounting seat (22) which is fixed to a bolt (23), the rod (21) penetrates the molded body transfer member (14), and the tip is fastened by a nut (24). ing. Nuts (1
4) is embedded so as to be flush with the surface of the transfer member (14). As a result, the transfer member moving cylinder (20) advances only the compact transfer member (14) from the surface of the transfer frame member (12A) by a slight stroke toward the surface of the cavity mold (6). It can be returned to the member (12A). A stopper guide for adjusting the stroke according to the thickness of the cavity mold (6) may be provided.

According to the above configuration, before ejecting the foam molded article (10), the molded article transfer member (14) is connected to the cavity mold.
(6) can be kept close to the guide rail (11) when setting a pair of guide rails (11).
It is not necessary to provide 1a) so as to be in contact with the mold surface of the cavity mold (6).
If it is within the range that can contact the cavity mold surface, there is no problem even if the distance is slightly small, and it is not necessary to set the guide rail strictly.

In the foamed molded product take-out / alignment apparatus A1 configured as described above, when the foam molding is completed and the foamed molded product (10) is to be taken out, first, the mold opening interval is set to be equal to the molded product transport member (1).
2) When the size is large enough to insert, stop the mold opening once, and simultaneously drive the servo motor (13e) forward to move the transport member (12) from the guide rail horizontal part (11c) to the round part (11c). After 11b), it descends to the vertical part (11a).

When the transfer member (12) is stopped at the bottom dead center as in the first embodiment, the frame member (12A) of the transfer member (12)
The transfer member (14) mounted on the base is slightly away from the surface of the cavity mold (6). Therefore, when each transfer member moving cylinder (20) mounted on the frame member (12A) is driven to extend its rod (21), the transfer member (14) is moved horizontally, and the cavity mold ( The transfer member (14) is substantially in contact with the mold surface of (6). At this time, each through hole (14a) provided in the transfer member (14) is in a state corresponding to each foam molded body (10) molded in the cavity mold (6).

When the opening of the mold is started again after confirming the limit of the exchanging member (14), the foam molded body (10) is pushed out of the cavity by the ejector pin (9) in the same manner as in the first embodiment. It is smoothly received in the through hole (14a) of the member (14).

When the reception of the foam molded body (10) is completed,
The transfer panel (14) is retracted to a predetermined position of the transfer frame (12) by the return action of each transfer member moving cylinder (20). Subsequent operations are performed in the same manner as in the first embodiment.

As described above, the compact transfer member (12) is divided into the compact frame member (12A) and the compact transfer member (14), and the transfer cylinder 20 is provided between them. It is not necessary to strictly regulate the gap between the vertical part (11a) and the mold surface of the cavity mold when the guide rail is erected, and the bottom is shallow, so that it will drop out of the mold as soon as it is ejected. In the case of a method in which the product adheres to the parting surface and the product is taken out, of course, the foam molded article can be reliably received.

[0035]

According to the present invention, the foam molding is taken out of the molding machine outside and upward, and is vertically stacked on the horizontal conveyor installed below, so that the building of the factory where the molding machine is installed is installed. Height can be reduced. In addition, the height of the stack of the molding machine can be increased to a position close to the height of the guide rail of the cart to be taken out upward, and the number of stacks can be increased. Further, since a large amount of room is obtained in the stack as described above, the length of the stack conveyor can be shortened during unmanned work at night, and the flat area of the conveyor section can be reduced. Furthermore, since a molding machine installation base is not required, workability is improved and danger is reduced.

[Brief description of the drawings]

FIG. 1 is a schematic view in which an example of a foam molded article taking-out and aligning apparatus of the present invention is applied to a foam molding machine.

FIG. 2 is a schematic view of a main part of the foam molding machine of FIG.

FIG. 3 is a schematic perspective view illustrating a relationship between a guide rail and a molded article conveying member.

FIG. 4 is a configuration explanatory view for explaining a relationship between a radius portion and a guide roller attached to a molded body conveying member.

FIG. 5 is an explanatory view of a main part configuration for explaining attachment of a molded body conveying member to a drive chain.

FIG. 6 is a schematic perspective view of an example of a chain member with a projection.

FIG. 7 is a diagram corresponding to FIG. 3 in another example of the present invention.

8 is a schematic cross-sectional view of a main part of FIG. 7;

FIG. 9 is a schematic diagram illustrating a configuration example of a conventional foam molding machine with a foam molded body take-out device together with dimensional examples.

[Explanation of symbols]

(2)… Fixed die plate (3)… Cylinder plate (4)… Tie bar (5)… Moving die plate (6)… Cavity mold (7)… Core mold (8)… Ejector frame (9)… Ejector Pin (10)… Foam molding (11)… Guide rail (11a)… Guide rail vertical part (11b)… Guide rail radius part (11c)… Guide rail horizontal part (12)… Moulded body conveyance member (12a) ( 12b) Guide roller (12c) Connector (13) Transport member drive (13c) Drive chain (13e) Servo motor (13f) Drive transmission chain (14) Transfer member (14a) Foam molding Through-hole for body fitting (15)… Extrusion means (15a)… Extrusion cylinder (16)… Alignment means (16a)… Alignment table (17)… Conveyor for unloading

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-3-83628 (JP, A) JP-A-5-220858 (JP, A) JP-A-63-209823 (JP, A) JP-A-4- 21431 (JP, A) JP-A-57-159632 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) B29C 44/00-44/60 B29C 67/20 B29C 33/44- 33/54 B29C 45/40

Claims (1)

(57) [Claims] (A) a foaming molding machine having a pair of dies which approach and separate in the horizontal direction, and extend upward from the mold opening space of the molding machine to the outside of the molding machine; A pair of guides comprising a vertical portion substantially parallel to the mold surface, a horizontal portion substantially perpendicular to the mold surface above the molding machine, and a bent portion for smoothly connecting the vertical portion and the horizontal portion. A rail, and (b) arranged so as to reciprocate along the guide rail, and configured to hold a foam molded body ejected from the molded body housing side mold at a position facing the mold surface. A molded body conveying member, (c) a conveying member drive device for reciprocating the molded body conveying member, and (d) a foam molded body provided at the molded body housing side mold and at the opposed position of the molded body conveying member. and eject pin for pressing the conveying member, (e) said Guy
Provided above the horizontal part of the
An extruding means for extruding a foam molded body, and (f) the guide rail
Placed below the horizontal section of the
An apparatus for taking out and aligning a foamed molded product, comprising: an aligning means for stacking .