JPH08142014A - Hot pressing device of wooden panel - Google Patents

Abstract

PURPOSE: To automatize the feeding and delivering work of a wooden panel. to and from a pressing device for pressing the wooden panel under heat. CONSTITUTION: In a pressing device 10 for pressing a wooden panel 1, which is formed by bonding a facing material to the top and bottom sides of a ground frame, under the condition being heated with heating members 12 and 16 mounted respectively to a ram 11 and to a bolster 15, a belt conveyor 17 extending from the feeding side to the delivering side of the wooden panel 1 is provided so as to pass the upper end part 20A of the endless belt 20 of the conveyor 11 between the ram 11 and the boaster 15 in order to automatically feed and deliver the wooden panel 1 in and out of the pressing device 10 through the running of the upper end part 20A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for pressing a wood panel produced by adhering a base frame and a face material, and more particularly to a wood panel for promoting early curing of the adhesive. Relates to a press device adapted to heat a.

[0002]

BACKGROUND ART FIG. 3 shows a wood panel 1 used as a wall panel or the like of a panel construction house. This wood panel 1
Is composed of a base frame 3 in which a wooden core material 2 is combined, and face materials 4 and 5 made of plywood or the like fixed to both upper and lower surfaces of the base frame 3. The base frame 3 and the face materials 4 and 5 are made of an adhesive. Fixed. The wood panel 1 is fed to a pressing device in order to ensure the connection between the base frame 3 and the face materials 4 and 5 by the adhesive. This pressing device has a vertically movable ram that applies a pressing force to a wooden panel, and a bolster that is provided below the ram and receives the wooden panel. The wooden panel is pressed by the ram and the bolster. At least one of ram and / or bolster, in order to reduce the curing time of the adhesive during the pressing of the wood panel,
As shown in FIG. 3, when the plywoods 4 and 5 are fixed to the upper and lower surfaces of the base frame 3 with an adhesive, heating members are attached to both the ram and the bolster, and the wood panel is heated by the amount of heat from the heating members. I am trying.

[0003]

Conventionally, the work of feeding a wood panel into the press machine and the work of discharging the wood panel after the press work from the press machine have been performed manually by a worker. For this reason, it takes time and labor for the work of sending in and paying out, and there is a problem in workability.

An object of the present invention is to enable the work of feeding and discharging wooden panels to be performed automatically.
An object of the present invention is to provide a heating and pressing device for a wood panel that can improve workability.

[0005]

SUMMARY OF THE INVENTION The present invention provides a vertically movable ram for applying a pressing force to a wood panel having a surface material adhered to one of the upper and lower surfaces of a base frame, and a ram under the ram. A bolster installed on the side to receive the wood panel,
In the wood panel heating press device, which is attached to at least one of the ram and the bolster and has a heating member for heating the wood panel during pressing of the wood panel by the ram and the bolster, the wood panel feed side The press working belt conveyor extending from the ram to the payout side is provided, and the upper end portion of the endless belt of the belt conveyor is passed between the ram and the bolster.

In the above, when face materials are adhered to both upper and lower surfaces of the base frame, heating members are attached to both the ram and the bolster.

[0007] Further, a wood panel fed to the press machine has face materials adhered to the upper and lower surfaces of the base frame, and a face material adhered to only one of the upper and lower surfaces of the base frame. In this case, heating members are attached to both the ram and the bolster, and a heat quantity supply stopping means is provided for each heat quantity supply circuit that supplies heat quantity to these heating members.

The method of supplying the amount of heat to the heating member may be steam, heating oil, or an electric heater.

A pre-work conveyor extending from the pre-work process may be arranged on the front side of the press work belt conveyor provided in the press device, and a post-work conveyor extending to the post-work process may be arranged on the rear side of the press work belt conveyor. desirable.

[0010]

In the present invention, the wood panel is placed on the upper stage of the press work belt conveyor and fed into the press machine. Then, when the wood panel reaches directly below the ram, the belt conveyor stops, and then the ram descends, the wood panel is pressed by the ram and the bolster, and the wood member is heated by the heating member during the pressing. Is performed. After the press is completed, the press work belt conveyor starts to run again, whereby the wood panel is discharged from the press machine. For this reason, the work of feeding and discharging the wood panel to the press device is automatically performed by this belt conveyor.

When a heating member is attached to both the ram and the bolster of the press machine and a heat quantity supply stopping means is provided for each heat quantity supply circuit for supplying heat quantity to these heating members, these heat quantity supply stopping means are provided. Open both
By selectively opening and closing, a wood panel with surface materials bonded to both upper and lower surfaces of the base frame and a wood panel with surface materials bonded to only one of the upper and lower surfaces of the base frame are pressed. Even if it is sent to the device, it becomes possible to supply heat to both and / or one of the heating members depending on these wood panels.

Further, when the front work belt conveyor is arranged on the front side of the press work belt conveyor and the rear work belt conveyor is arranged on the rear side, the press work belt conveyor is provided in a part of the wood panel production line including the press machine. Will be installed to allow automatic feeding of wood panels through this line before and after the press machine.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a diagram showing a press device 10 according to the present embodiment and peripheral devices. The pressing device 10 has a ram 11 which moves up and down by a driving member such as a cylinder and a crankshaft, and the first heating member 1 is provided on the lower surface of the ram 11.
2 is attached, and further, the pressure plate 13 is attached. A bolster 15 is placed on the bed 14 of the press machine 10.
Is provided, and the second heating member 16 is mounted on the bolster 15.

The press device 10 comprises a press work belt conveyor 1 extending from the feeding side to the payout side of the wood panel.
7, the belt conveyor 17 has a drive wheel 1
8 and the driven wheel 19, and the endless belt 20 wound around these. The upper step portion 20A of the endless belt 20 is passed between the ram 11 and the bolster 15 provided on the lower side of the ram 11, and the second heating member 16 attached to the bolster 15 has the upper step portion 20A of the upper step portion 20A. It is arranged so as to contact the lower surface. Lower part 20 of endless belt 20
B is passed through the lateral groove 21 formed in the bed 14,
The endless belt 20 can be rotated and run without any trouble.

The drive wheel 18 has an endless member 22 such as a chain.
A motor 23 is connected via the motor 23, and the belt conveyor 17 is driven by the rotation of the motor 23.

In the above, the pressure plate 13 attached to the lower surface of the first heating member 12 has a small heat insulating property and a large heat resistance, and has a hardness sufficient to press the wood panel 1, for example, a urethane material. Consists of. Further, the endless belt 20 of the belt conveyor 17 is made of, for example, a silicone rubber material having a small heat insulation property, a large heat resistance property, and flexibility.

A front work belt conveyor 24 is arranged on the front side of the press work belt conveyor 17, and a rear work belt conveyor 25 is arranged on the rear side thereof. The pre-working belt conveyor 24 applies the adhesive to the upper and lower surfaces of the base frame 3 of the wooden panel 1 from the pre-working process of the pressing work of the wooden panel 1 by the pressing device 10, specifically, the base frame 3 From the assembling process of the wooden panel 1 sandwiching the panel members 4 and 5. Also, the post-working belt conveyor 2
5 extends to a post-working step of the pressing operation of the wooden panel 1 by the pressing device 10, specifically, a cutting processing step for making the wooden panel 1 into a predetermined size.
Therefore, the press device 10 is arranged as one equipment on the production line of the wood panel 1, and the press work belt conveyor 17 forms a part of this production line together with the front work belt conveyor 24 and the rear work belt conveyor 25. The wood panel is automatically fed on this production line.

FIG. 2 shows the first and second heating members 1
2 shows a circuit for supplying heat quantity to 2 and 16. The heat source of the first and second heating members 12, 16 is steam, and steam supply circuits 26, 27 for supplying steam to these heating members 12, 16 are connected to the heating members 12, 16. These steam supply circuits 2 which are heat quantity supply circuits
A common circuit 28 is connected to the upstream side of 6, 27, and a steam generating means such as a boiler is connected to the upstream end of the common circuit 28. The insides of the first and second heating members 12 and 16 are partitioned by a partition member 29 to meander in a steam flow passage 30.
The steam exhaust circuits 31 and 32 are connected to the outlet sides of the heating members 12 and 16, and the common circuit 33 is connected to the downstream side of these steam exhaust circuits 31 and 32. The downstream end of is connected to the steam generating means.

On-off valves 34 and 35 are provided in the steam supply circuits 26 and 27, respectively.
A throttle valve 36 is provided in the common circuit 28 on the upstream side of 27. The temperature of the heating members 12 and 16 can be adjusted by throttling the amount of steam flowing through the common circuit 28 with the throttle valve 36. Further, when either one of the on-off valves 34 and 35 is closed, the supply of steam to the heating member provided with the closed on-off valve is stopped, so that the heating member does not reach a high temperature. That is, the on-off valves 34 and 35 serve as heat quantity supply stopping means for stopping the supply of steam to the heating member.

Next, the operation will be described.

The wood panel 1 has a pre-working belt conveyor 2
4 to the upper step portion 20A of the endless belt 20 on the press work belt conveyor 17, and the traveling of this upper step portion 20A from the left side to the right side in FIG. 1 reaches right below the ram 11 of the press device 1. Then, the wooden panel 1 that has just reached below the ram 11 is, for example, a non-contact sensor 37 such as an optical sensor.
When the ram 11 of the press device 10 starts to descend and the ram 11 reaches the lower limit, the motor 23 driving the press work belt conveyor 17 is stopped by the signal from the sensor 37. Wood panel 1
Is pressed by the ram 11 and the bolster 15 via the first heating member 12, the pressure plate 13, the upper step portion 20A of the endless belt 20, and the second heating member 16, and the ram 11 descends for a certain time set by the timer. Stop at the limit.

In the above, since the wood panel 1 is produced by fixing the upper and lower surfaces of the base frame 3 with an adhesive, the two open / close valves 34, 3 shown in FIG.
Both 5 are open, and thus the first and second
Steam is supplied to the heating members 12 and 16, and the heating members 12 and 16 have a high temperature. Therefore, the wood panel 1 is heated from above and below by the amount of heat from the heating members 12 and 16 through the pressing plate 13 and the upper step portion 20A of the endless belt 20, whereby the base frame 3 and the surface materials 4 and 5 are heated. The adhesive in between cures prematurely.

After a predetermined time set by the timer, the ram 11 rises to the upper limit, the motor 23 starts to drive again, and the upper end portion 20 of the endless belt 20.
By the traveling of A, the wooden panel 1 is the post-working belt conveyor 2
5, and the belt conveyor 25 sends it to the post-working step.

According to the present embodiment described above, the pressing device 10
Is provided with a press work belt conveyor 17 extending from the feeding side of the wooden panel 1 to the payout side, and the endless belt 2 on which the wooden panel 1 of the belt conveyor 17 is placed.
Since the upper stage portion 20A of 0 is passed between the ram 11 and the bolster 15 of the press device 1, the wood panel 1 is automatically sent to the press device 10 by this belt conveyor 17, and after the press, it is automatic. The operator is not required to carry out the work of sending in and paying out these, and the workability can be improved.

Further, since the belt conveyor 24 extending from the pre-working step and the belt conveyor 25 extending to the post-working step are arranged before and after the pressing work belt conveyor 17, the pressing work belt conveyor 27 is the wood panel 1.
Will be utilized as a part of a line for producing wood, and automatic feeding of the wood panel 1 in this line can be achieved.

Heat is supplied to each of the steam supply circuits 26 and 27 that supplies steam to the first heating member 12 attached to the lower surface of the ram 11 and the second heating member 16 attached to the upper surface of the bolster 15. On-off valve 3 which is a stopping means
Since the valves 4 and 35 are provided, only one of the on-off valves 34 and 35 is selectively opened and the other is closed, so that only one of the two heating members 12 and 16 is heated to the high temperature and the other is heated. It can be at room temperature. As a result, unlike the wooden panel 1 shown in FIG. 3, when the wooden panel in which the face material is fixed to only one of the upper and lower surfaces of the base frame 3 with an adhesive is sent to the press device 10, By selectively opening and closing the on-off valves 34 and 35,
This type of wood panel can be used.

That is, according to the present embodiment, the wood panel carried by the press work belt conveyor 17 may be one in which face materials are adhered to both upper and lower surfaces of the base frame 3, and the upper and lower surfaces of the base frame 3 may be adhered. It is possible that the face material is adhered to only one of them, and the pressing device 10 according to the present embodiment has versatility. The first and second heating members 12
When steam is supplied to only one of the steam discharge circuits 31 and 32, the steam discharge circuits 31 and 32 are prevented from being supplied to the other through the steam discharge circuits 31 to 32 or 32 to 31. An on-off valve may be provided.

In the embodiment described above, the conveyors 24, 25 arranged before and after the press work belt conveyor 17 are used.
Was a belt conveyor, but these conveyors may be roller conveyors or ball conveyors.

[0030]

According to the present invention, the press device for heating and pressing the wood panel is provided with the belt conveyor extending from the feeding side of the wood panel to the payout side. Therefore, the work of feeding and paying out the wood panel to the press device is performed. Can be performed as an automatic work, and the workability can be improved.

[Brief description of drawings]

FIG. 1 is a front view showing a press device and its peripheral devices according to an embodiment of the present invention.

FIG. 2 is a diagram showing a heat quantity supply circuit for supplying heat quantity to the first and second heating members shown in FIG.

FIG. 3 is an exploded perspective view showing a structure of a wooden panel.

[Explanation of symbols]

 1 Wood Panel 3 Base Frame 4, 5 Surface Material 10 Pressing Device 11 Ram 12 First Heating Member 15 Bolster 16 Second Heating Member 17 Press Working Belt Conveyor 20 Endless Belt 20A Upper Stage 24 Pre-Working Belt Conveyor 25 Post-Working Belt Conveyor 26 , 27 Steam supply circuit which is a heat quantity supply circuit 34, 35 On-off valve which is a heat quantity supply stopping means

Claims (3)

[Claims] 1. A vertically movable ram for applying a pressing force to a wood panel to which a face material is adhered to at least one of upper and lower surfaces of a base frame, and a ram provided below the ram, Attached to the bolster receiving the panel and at least one of these rams and bolsters,
A heating press device for a wood panel having the ram and a heating member for heating the wood panel during pressing of the wood panel by the bolster, in a press work belt conveyor extending from a feeding side of the wood panel to a payout side. A heating and pressing apparatus for a wood panel, comprising: an upper end portion of the endless belt of the belt conveyor, which is passed between the ram and the bolster. 2. The heating and pressing apparatus for a wood panel according to claim 1, wherein the heating members are attached to both the ram and the bolster, and each heating amount supply circuit for supplying a heating amount to these heating members is provided. A heating and pressing apparatus for a wood panel, characterized in that a heat quantity supply stopping means is provided. 3. The heating and pressing apparatus for a wood panel according to claim 1 or 2, wherein a front working conveyor extending from a pre-working step is arranged in front of the breath working belt conveyor, and a rear side of the pressing work belt conveyor. A heating press device for a wood panel, characterized in that a post-working conveyor extending to a post-working process is arranged in the.