JPH0383627A - Unloading method for foam-molded body and foam molding machine equipped with unloading device - Google Patents

Abstract

PURPOSE:To realize a compact foam molding machine as a whole by a method wherein an pushing-out and aligning device, which pushes foam-molded bodies fitted into foam-molded body filling through holes out of the holes and aligns the bodies at the bottom dead center of a process, is provided. CONSTITUTION:Molds 6 and 7 of a foam molding machine are opened. Next, a transferring panel 19 is raised along guide rails 14 and 15 so as to be inserted between the molds 6 and 7. After that, foam-molded bodies 10 are ejected so as to be taken out of the cavity mold 6. Next, the taken-out foam-molded bodies 10 are fitted into foam-molded body fitting through holes so as to complete the receipt of the bodies. After that, the transferring panel 19 is lowered end moved to the unloading position outside the mold opening space. Finally, at the unloading position, the foam-molded bodies fitted into the foam-molded body fitting through holes are pushed by a pushing-out and aligning device 21 out of the through holes and then aligned so as to be carried to the following process.

Description

Detailed Description of the Invention (Field of Industrial Application) The present invention provides a styrofoam molding machine that is equipped with a device that automatically takes out foam molded products and aligns them for connection to the next process such as transfer and packaging. It is related to a Zenigata machine.

(Prior art) Conventionally, a guide member is installed inside the tie bar and outside of the Styrofoam molding machine for a Styrofoam molding machine, and a take-out member is inserted and removed to take out the Foam Zengata machine from the mold cavity using a method such as vacuum suction. A take-out machine was proposed.

(Problems to be Solved by the Invention) However, in all of the cases proposed so far, there has been a problem as described in item 1F.

■Since the device that guides the ejecting member that enters and exits within the mold opening interval is not strong enough, there is a problem in the precision of bringing the ejecting member closer to the position of the mold cavity using vacuum suction, which may result in ejecting errors. was there.

■In today's world of high-mix, low-volume production, it is necessary to change the arrangement of ejecting parts for molds that are frequently replaced after the mold is replaced.
This had to be done through internal setup, which was a big problem in terms of overall work efficiency.

■It was impossible to stick to one method for taking out the foam coins depending on the shape of the foam molding or the specifications of the next process, or to arrange them horizontally or vertically as needed.

(Object of the present invention) The present invention has been made in view of the drawbacks of the conventional example, and its purpose is to improve the precision of taking out and improve work efficiency by integrally equipping the device for taking out the foam coin shape. An object of the present invention is to provide a method for taking out a foamed molded article, which is capable of improving adaptability to high-mix, low-volume production, and a foam molding machine equipped with a taking-out device for carrying out the method.

(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention provides the following in claim (1): (1) After opening the mold of the foaming coin-form machine, the foaming coin-form body (10
) is ejected and taken out from the cavity mold (6), ■The removed foamed molded product (10) is taken out of the mold opening space, and ■Then, the taken out foamed molded product (10) is removed from the mold opening space. Align.

In claim (2), ■ guide rails (14) (15) are erected on the sides of the mold opening spaces of the molds (6) (7), ■ guide rails ( 14) The foam molded bowl support that goes up and down along (15) is equipped with a handover panel (19), and ■
Transfer panel (19) to match the cavity of the mold (6)
A through hole (19a) for the foamed molded body mounting base is bored in the (1) lift drive device f! for raising and lowering the transfer panel (19). (C
), eject the foamed molded product (10) at the top dead center, and transfer the ejected foamed molded product (10) to the receiving panel (
An eject bottle (9) for fitting into the through hole (19a) for the foam molded body fitting stand of 9) is provided in the cavity mold (6), and the through hole (19a) for the foam molded body fitting stand is installed at the bottom dead center. An extrusion alignment device CB) is provided for extruding and aligning the foamed molded bodies (10) fitted in the foam moldings (10).

; is adopted as a technical means.

(for production) ■Open molds (6) and (7) of the foam molding machine.

■ Raise the transfer panel (19) along the guide rails (14) (15) and insert it between the molds (6) (7).

(2) Next, the foamed molded body (lO) is ejected and taken out from the cavity mold (6).

■Transfer/receive panel (29) for taking out the foam molded body (10)
The foam molding is inserted into the through hole (19a) for the mounting base to complete the receiving.

(2) After that, the transfer panel (29) is lowered and moved to the take-out position outside the mold opening space.

■Finally, at the take-out position, place the through hole (1
9a) is extruded into the alignment bag f.
i! E Extrude and align in (B) and convey to the next process. (The following is a blank space) [Example] One example of the present invention will be described with reference to the drawings.

FIG. 1 is a front view of the entire foam molding machine A and foam molded product take-out and alignment device B docked together, FIG. 2 is an enlarged view of the main parts thereof, and FIG. 3 is a side view of FIG. 2.

Molding machine A consists of a fixed die plate (2) and a cylinder plate (3) mounted on a machine base (1) and four tie bars (
4) The structure is inserted and fixed. The movable die plate (5) is inserted through the tie bar (4) and is slid left and right by a hydraulic cylinder (3a) attached to the cylinder plate (3). The cavity mold (6) is connected to the fixed die plate (2), and the core mold (7) is connected to the moving die plate (5).
The molds (6) and (7) are opened and closed by the left and right sliding movement of the movable die plate (5).

The injector frame (8) moves the movable die plate (
5) and actuates the ejector pin (9) to eject the foam molding (10) from the cavity mold (6) to the right.

Next, the foam molded body take-out and alignment device B will be explained. The base (11) has casters (12) and jack bolts (1).
3), it can be moved and positioned freely. A guide rail A (14) is fixed to the molding machine A, and a guide rail B (Is) is fixed to the foam molded product take-out and alignment device B, as described later. , both A and B guide rails (14)
(15) and are detachably connected. In other words, the configuration is such that the foam molded product take-out and alignment device B can be used in combination with any molding machine A that requires automatic take-out.

The guide rail A (14) has a guide rail fixing device (
16) are held vertically in contact with the inner surfaces of the four tie bars (4) of the molding machine.Also, the guide rail B
(Is) is the base (11
) is fixed vertically at points (11a) and (1m b'). Then, the guide rail B (15) of the foam molded product take-out and alignment device B is connected to the guide rail A of the molding machine A.
(14), and then raise the center of the foam molded object take-out and alignment device B with the jack bolt (13).
B (15) are docked together via the connecting part (17) to form a foam molding machine with a take-out and alignment device.

The most distinctive structural members of this foam molding machine equipped with a take-out and alignment device are a transfer frame (18) and a transfer panel (19) for the foam rod (10).

In other words, the transfer frame (18) and the transfer panel (19) are
At all times, roller A (20) is attached to guide rail B (15).
It is supported at the bottom dead center of the mold of the molding machine. When the molding machine opens the mold and a certain mold opening interval is reached, the transfer frame (18) and the transfer panel (19) rise from guide rail B (Is) to guide rail A (14) to the top dead center. , ejected foam molded product (10)
is fitted into the through hole (19a) for the foam molded body mounting base drilled in the transfer/reception panel (19), and the receiver is removed, and then lowered along guide rail A (14) and guide rail B (15). Then, the foamed body (1
0) from the transfer panel (19) and place it on the alignment table (22).
) is a component that performs the function of arranging

The structure of the elevating drive device C for the transfer frame (18) and the transfer panel (19) will be explained. The motor (23) is a gear motor with a brake, and its shaft! ! ! By the rotation of the installed sprocket wheel (24), the roller chain (25),
A lower sprocket wheel (26) drives a bracket (28) fixed to (27) via a bladed roller chain (27). This bladed roller chain (27) is a roller chain stretched between lower sprocket wheels (26) (26) and upper sprocket wheels (29) (29) at the front and back of the lower part of the base (11). Each 1a in .

With the second configuration, when the motor (21) rotates in the forward or reverse direction, the brackets (28) on the front and back sides of the base (11)
(28) can be raised and lowered. As shown in Figure 5, this bracket (28) (2g) has a front and back side that holds rollers A (20) (20) that roll while holding guide rail B (15) from both sides. 24! The driving plate (30) (30) is fixed to the driving plate (30) (30) of the lift board (31).
), the lifting board (31) is eventually raised and lowered by the motor (21). Third
Figure A shows the bottom dead center position of the lifting board (31), and Figure 3B shows the top dead center position.

Next, the configurations of the transfer frame (18) and the transfer panel (19) themselves will be explained. The transfer frame (18) is structured in the shape of a picture frame, and rollers B (32) are attached to the four left, right, upper and lower corners of the frame so as to be movable from the inside with respect to the guide rails A and B. The transfer panel (19) is connected to the transfer frame (18) as described later.
) can be easily attached and detached from all four frames.

Moreover, it has a structure that allows it to move forward from the surface of the transfer frame (18) toward the cavity mold (6), albeit with a small stroke. And the delivery and reception panel (19) is the cavity mold (6
), for example, a thickness of 10
The panel (19) is made of a material that can be processed into a rowing machine, such as a plywood board with a diameter of approximately
) A through hole (19a) for a foam molded body is bored in the same manner as the layout of the foam molded body (10). This transfer panel (19) is manufactured as described above in accordance with the surface of the cavity mold (6) of the cut-off mold each time the mold is replaced in the molding machine A, and is used for the foam molded article ( 0) It is a pick-up member for giving and receiving.

Figure 6a and b show the transfer panel attachment/detachment device (34) for attaching and detaching the transfer panel (19) to and from the transfer frame (18).
,C. Two transfer panel attachment/detachment devices (34) (34) are attached to the inside of two cylinders (33) (33) fixed to the left and right edges of the transfer/reception frame (18). The device (34) is equipped with stud bolts (38) in two places, upper and lower, sandwiching the mounting seat (37), so the corresponding transfer panel (1
Align the mounting hole 9) with the stud bolt (38), insert it, and tighten it with the nut (39).

Moreover, this transfer panel attachment/detachment device (34) is a transfer panel (
A small cylinder (35) for advancing only 19) from the surface of the transfer frame (18) toward the surface of the cavity mold (6) with a slight stroke, and its stroke is adjusted according to the thickness of the cavity mold. Stopper guide for (36)
is equipped with. With the above configuration, the foam molded product (1
0), move the transfer panel (19) close to the surface of the cavity mold (6) and insert the foam molded product (10).
In addition, the delivery panel (19
), on the periphery of the through hole (19a) for the foam molding on the side opposite to the cavity mold (6).

For example, a foam fixing piece (19c) made of a thin plate of synthetic resin or stainless steel is attached.

The above transfer frame (18) and transfer panel (19) are assembled into a set, guide rail A (14) and guide rail B (
15), the relationship between the transfer frame (18) and the elevating board (31) will be explained. Transfer slot (18)
Two cylinders (33) fixed to the left and right side edges of the image (
The rod tips (33a) (33a) of 33) are fixed to the left and right upper surfaces of the lifting board (31). The length of each rod can be slightly gr. Therefore the cylinder (33)
When the rod (33) is extended, the transfer frame (1B) is at the top dead center with respect to the lifting board (3), and the cylinder (33)
When the rod (33) is retracted, the transfer frame (18) can be positioned at the bottom dead center with respect to the elevating board (31). 3I1A shows the transfer frame (18) located at the top dead center with respect to the elevating board (31), and FIG. 3B shows the transfer frame (18) located at the bottom dead center with respect to the elevating board (31). ing.

Next, the transfer panel (19) of the transfer frame (18) that descended
A horizontal extrusion aligning machine (21) that extrudes and aligns foamed molded articles (10) held on an aligning table (22) will be explained.

An extrusion cylinder 1 is mounted on the vertical part (IIC) of the base (11).
(40) is attached, and the tip of the rod (40
An extruded metal fitting (41) is fixed horizontally to a). The neck of the extrusion cylinder 2 (43) is fixed to both ends of the metal fittings (41), and the extrusion cylinder 1 (40) and the extrusion cylinder 2
Guide (42) to ensure horizontal extrusion in the middle of (43)
is equipped with. A molded product extrusion member (44) for extruding the first foamed molded product (10) without damaging it is attached to the tip of the rod of the extrusion cylinder 2 (43).

The transfer panel (
The alignment table (22) for horizontally aligning the foam molded bodies (10) extruded from the foam moldings (19) can be vertically adjusted by legs (22a).

A presser device (45) having a brush-shaped contact surface is installed on the alignment table (22) in order to press the upper surface of the foam molded bodies (10) horizontally arranged on the alignment table (22) while applying some resistance. ) is installed above the

Another embodiment of FIG. 8 in which foamed molded bodies (10) are stacked vertically will be described. Two guide rails C (46
) is bent from vertical to horizontal with a large radius, and while rolling along guide rail C (46) with four rollers B (32), the transfer frame is finally held horizontally at the bottom dead center. The foamed molded product (10) fitted into the delivery/reception panel (19) of (18) is extruded by an extrusion cylinder (47) installed vertically above it, and received by a lifting table (48). The elevating table (48) descends so that the upper height of the foamed molded article (10) remains constant.

In the case of vertical stacking, molding machine A is used as shown in Figure 8.
is often installed on a pedestal that is higher than the floor.

Next, the operation of the molding machine equipped with the foam molded product take-out device configured as above will be explained.

With the mold of the foam molding machine A closed, the styrene pre-foamed raw material in the mold cavity is heated and fused and then cooled to form a foam molded article (10), at which point the mold is started. When the mold opening interval becomes large enough to insert the transfer frame (18), the mold opening is temporarily stopped. At the same time, the motor (23) rotates forward and the bracket (28) (28
), the driving plate (30) via the (30), the lifting base @ (
31) increases. At that time cylinder (33) (33)
The rod has been extended to its limit, and the transfer frame (18
) and the transfer panel (19) are located at the farthest positions with respect to the lifting board (31). When the lifting board (31) is raised, the rollers A (20) (20) of the driving plate (30) (30)
), and roller B (32) (32) of transfer frame (18)
) rolls along guide rail B (15) (Is) and guide rail A (14) (14), and lift board (
31) and the transfer frame (18) move up smoothly as one.

When the transfer frame (18) reaches the top dead center, the cavity mold (
In order to receive the foam molding (10) attached to the mold cavity of 6), the small cylinder (35) (35) attached to the transfer frame (18) extends its rod, and the transfer panel (19) moves horizontally to the left and approaches the foam molded product (10).

After confirming the limit of the transfer panel (19), when the mold opening is started again, the movable die plate (5) moves to the right and pulls the ejector frame (8), releasing the foam molded product (1
0) is ejected from the mold cavity of the cavity mold (6) to the right.

This transfer panel (19) has a through hole (19a) for a foam molded body that is bored equally to the outline of the foam molded body (10) of the mold paired with the panel (19). The ejected foam molded body (10) is attached to the fitting through hole (19).
The uke is smoothly taken in a). At this time, the through hole (19a
) The peripheral edge of the foam molded body fixing piece (19c) allows the receiving position of the foam molded body (10) to be adjusted to the fitting through hole (19m).
1 foam molded product (10) is aligned so that it is almost perpendicular to
When the receiving of 0) is completed, the small cylinder (35) (
35), the transfer panel (19) is retracted to a position close to the transfer frame (18).

The motor (23) then reverses and the bracket (28)
(28), lift base via drive plate (30)! (31) descends. The rod of the cylinder (33) then remains extended.

When the elevating board (31) is lowered, roller A (20) and roller B (32) roll along guide rail A (14) and guide rail B (Is) to lower the elevating V & board (31).
and the transfer frame (18) are lowered together.

When the lifting board (31) reaches the bottom dead center, the cylinder (3
The rod in 3) remains extended. At this time, the length of the rod of the cylinder (33) is adjusted so that the center of the lower stage of the through hole (19a) for the foam molded body fitting base matches the height of the molded product extrusion member (44) of the horizontal extrusion alignment machine (21). Adjust the height in advance.

At that height position, the extrusion cylinder 1 (40) moves forward, and the extrusion metal fitting (41) moves forward together with it. Extrusion cylinder 1
(40) reaches the forward limit, extrusion cylinder 2 (43
) moves forward, and the foam molded product extrusion member (44) pushes out the foam molded product (10) which has been receptacled in the lower stage of the through hole for the foam molded product mounting stand (19m), and the foam molded product extrusion member (44) pushes out the foam molded product (10) that has been received at the lower stage of the through hole for the foam molded product mounting stand (19m). Align on top. At that time, the holding device (45) of the alignment table (22)
It functions to provide appropriate resistance to the foamed molded bodies (10) and align them in an orderly manner.

After a certain period of time has elapsed, extrusion cylinder 1 (40), extrusion metal fitting (41), and extrusion cylinder 2 (43) simultaneously retreat,
Next, when the cylinder (33) retracts its rod while the lifting board (31) remains at the bottom dead center, the center of the upper stage of the through hole (19a) for the foamed molded body is aligned with the horizontal extrusion alignment machine (2).
The height corresponds to the height of the foam extrusion member (44) in 1).

Then, in the same way as in the case of the lower stage, the upper stage of the through hole (19a) for the 1st foam molded body is removed, and the foam molded body (10
) are extruded and aligned on the upper surface of the alignment table (22).

Finally, the cylinder (33) extends its rod and returns to its initial state.

In the case of the vertical stack method embodiment shown in FIG. 8, the operation of taking out the foamed molded product (10) is completely the same as in the first embodiment, and the foamed molded product is extruded! ! 31 Device B is a horizontal extrusion alignment machine (
21) only changed to a vertical extrusion stack method. (hereinafter referred to as "Funji") (Effects) The method for taking out the foam molded product in the foam molding machine of the present invention is as in claim (1), after opening the mold of the foam molding machine, the foam molded product is removed. Eject and remove from the mold.
After receiving the removed foamed molded product, the receiver moves the removed foamed molded product out of the mold opening space, and then aligns the taken out foamed molded product, so the removal device can be integrally attached to the foam molding machine. , there is an advantage that the entire fruiting device can be made compact.

In addition, the foam molding machine according to the present invention has a guide rail erected on the side of the mold opening space of the mold, and a foam coin shape bowl holder that moves up and down along the guide rail. A handover panel is provided, a through hole for the foam molded body is drilled in the handover panel in accordance with the mold cavity, and a lifting drive ARA is installed to raise and lower the handoff panel. The mold is provided with an eject pin for ejecting the foam molded body, and inserting the ejected foam coin shape body into the through hole for the foam molded body mounting base of the delivery/receiving panel. Since an extrusion alignment device is provided to extrude and align the foam molded bodies fitted into the through holes,
The method of the present invention can be carried out, and first of all, the entire foam molding machine can be made more compact and highly accurate by integrating the extrusion alignment device. In particular, a guide rail is set up on the side of the opening space of the mold, and the strength of the guide part is improved by installing a handing panel for the foamed zenigata pot holders that go up and down along the guide rails. In addition, holes for fitting the foam-containing body are drilled in the transfer panel to match the cavity of the mold, so that the ejected foam molded body can be easily removed. Since the foam molded body is inserted into the through hole for the mounting base and taken out, it is possible to eliminate the instability caused by vacuum suction, and almost eliminate mistakes in taking out the foamed coin shape.1= There is a li point. In addition, since sending and receiving @Zenigata only requires replacing the sending/receiving panel, it is possible to quickly respond to high-mix, low-volume production by simply replacing the sending/receiving panel with one that has been prepared in advance to match the exchange mold. There are some advantages as well. In addition, since the transfer panel is moved using guide rails as mentioned above, by devising the shape of the guide rails, the take-out alignment format can be freely selected, such as horizontal take-out alignment or vertical take-out alignment, and the shape of the foam molded product can be adjusted. , there is also the advantage of being able to select the most suitable ejection format for the next process, etc.

[Brief explanation of drawings]

Fig. 1: A front view of an embodiment of the foam molding machine according to the present invention Fig. 2: An enlarged view of the main part of Fig. 1 Fig. 3 A: The transfer panel according to the present invention XX-X arrow view of FIG. 1 when the transfer panel according to the present invention is located at the top dead center FIG. 3B...X-X arrow view of FIG. Figure: An enlarged sectional view showing the relationship between the guide rail and the lifting roller in the invention. Figure 5: Transfer and reception according to the invention? A perspective view of one embodiment of the panel; FIGS. 6(a), (b), (c)...an enlarged cross-sectional view showing the relationship between the transfer frame and the transfer panel of the present invention; FIG. 7; FIG. 8 is a plan view of a horizontal extrusion aligning machine used in . . . A schematic front view of another embodiment of the present invention. (A)...Styrofoam coin shape machine part (B)...Extrusion alignment device part (C)...Elevating drive device (1)...Machine base (2)...Fixed guide plate (3) ... Cylinder plate (4) ... Tie bar (5) ... Moving guide plate (6) ... Cavity mold (7) ... Core mold (8) ... Ejector frame (9) ... Ejector pin (10) ... Foamed molded product (11) ... Base (12) ...
Caster (13)...Jacket bolt (14)...
Guide rail A (15)... Guide rail B (1G)... Guide rail fixing device (17)... Connection part (18)... Transfer frame (
19)... Transfer panel (19a)... Through hole for foam molded body mounting stand (20)... Roller A (21)...
-Horizontal extrusion alignment machine (23)...Motor (
25)...Roller chain (27)...Roller chain with blades (30)...Drive plate (31
)... Lifting board (32)... o -ra B (
33)...Cylinder (35)...Small cylinder (
4o)... Extrusion cylinder 1 (43)... Extrusion cylinder 2 (44)... Molded product extrusion member (46)...
Guide rail C (47)...Vertical extrusion cylinder (48
)... Elevating table Fig. 5 Fig. 3 A Fig. 3 B 3a Fig. 6 (al

Claims (2)

[Claims] (1) After opening the mold of the foam molding machine, eject the foamed molded product and take it out from the mold, and after receiving the ejected foamed molded product, move it outside the mold opening space, and then take out the foamed product. A method for taking out a foamed molded product, which is characterized by aligning the molded products. (2) A guide rail is erected on the side of the mold opening space of the mold, and a transfer panel for transferring the foam molded product that goes up and down along the guide rail is installed, and the transfer panel is placed in line with the mold cavity. A through hole for fitting the foam molded body is drilled, a lifting drive device is provided to raise and lower the transfer panel, the foam molded body is ejected at the top dead center, and the ejected foam molded body is transferred to the foam molded body of the transfer panel. An eject pin for fitting into the insertion hole is provided in the mold, and an extrusion alignment device is provided for extruding and aligning the foam molded body fitted into the foam molded body insertion hole at the bottom dead center. A foam molding machine with a take-out device.