JPH11267565A - Wood bonding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make board materials conveyable without touching their coated faces by providing a gluing device in a freely liftable and movable manner and moving the board materials while sucking and bringing the board materials into contact with an adhesive coating roller, with regard to glue laminated woods, each of which is obtained by laminating plural pieces of board material after gluing the board materials using an adhesive coating roller. SOLUTION: This wood bonding device is equipped with a device 40 for sucking and conveying an intermediate layer material 22 and an outer layer material 25, the device 40 having a suction pad 42 which is lifted by a hydraulic cylinder 41. This hydraulic cylinder 41 is installed on a trolley which travels back and forth along a guide and pushes the suction pad 42 to a board material 25 piled up on the top by the stretching motion of the cylinder 41 to suck the board material 25, when the device 40 is located at a position 40-B. When the suction/conveying device 40 conveys a lower layer material, the hydraulic cylinder 41 is contracted to make the board material sucked pass through an elevated path, turning to the right in such a manner that the board material does not come into contact with an adhesive coating roller 31. Then, after the device 40 reaches a position 40-D, the hydraulic cylinder 41 is stretched to stack the board materials on a pallet 29 on a glue laminated wood lifter 27.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wood bonding apparatus used for manufacturing laminated wood, and more particularly to a wood bonding apparatus for stacking and bonding plate materials to obtain a laminated material.

[0002]

2. Description of the Related Art There is known a technique for bonding a board material with a desired adhesive to produce a laminated wood. In this case, the device for applying the adhesive to the plate is provided with guide rollers for transporting the plate before and after the adhesive application roller and the doctor roller, which are rotatably supported on an appropriate machine base and contact each other and rotate. When applying the adhesive to the plate material, the adhesive is supplied onto the adhesive applying roller and the doctor roller, and the plate material is placed on the transport guide roller, and the lower surface of the plate material is brought into contact with the adhesive applying roller. The adhesive is applied by passing over an adhesive application roller.

A guide roller for transporting a plate material to which an adhesive has been applied is provided with a plurality of thin disks or sprockets on a mandrel, so that a contact area with the plate material can be reduced as much as possible. It is. However, since the board is held and transported on the surface on which the adhesive is applied, the guide rollers for transporting the board and the floor surface are extremely contaminated, which not only wastes the adhesive, but also requires labor for cleaning and maintenance. There was a problem.

[0004] Further, the force of pressing the conveyed plate material to the adhesive application roller is only the gravitational force applied to the plate material. If the plate material is warped or the like, the gluing becomes insufficient or excessive. There was also a drawback to say. Furthermore, a special transfer device is required to transfer and stack the glued plate materials on the bonding work table, and it is difficult to accurately position the stacked plate materials.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a wood bonding apparatus capable of transporting a plate material without touching an adhesive applied surface. To provide.

Another object of the present invention is to provide a wood bonding apparatus which can always apply a necessary and sufficient amount of adhesive. Still another object of the present invention is to provide a wood glue that can provide a laminated material that is easy and accurate in positioning the plate material without requiring any special device to transport and stack the glued plate material on the bonding work table. It is to provide a device.

[0007]

The object of the present invention is to bring a plate material supplied from a plate material supply device into contact with an adhesive application roller, and convey the plate material onto a bonding work table at a predetermined position.
This is achieved by adopting a vacuum suction type device as the stacking plate conveying device. Thus, in order to simplify the configuration of the apparatus, as a course for transporting the plate material by the plate material transport device, a glue course that allows the lower surface of the plate material to contact the adhesive application roller and apply the adhesive, and a lower surface of the plate material Is recommended to be able to select any of the avoidance courses where the adhesive does not contact the adhesive application roller and the adhesive is not applied.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing the final shape of a laminated wood manufactured by the wood bonding apparatus according to the present invention, FIG. 2 is a cross-sectional view showing the shape of the laminated wood bonded by the wood bonding apparatus according to the present invention, and FIG. FIG. 4 is a cross-sectional view showing a state in which the glued laminated wood shown in FIG. 2 is finished, FIG. 4 is a sectional view showing another shape of the glued laminated wood bonded by the wood bonding apparatus according to the present invention, and FIG. FIG. 6 to FIG. 8 are plan views showing an arrangement of a glued wood manufacturing plant in which the bonding apparatus is used, and FIGS. 6 to 8 are explanatory views showing the configuration and operation of the wood bonding apparatus according to the present invention.

In FIG. 1, reference numeral 10 denotes an example of a laminated wood manufactured by the wood bonding apparatus according to the present invention. The upper board 10-1 and the middle board 10-2, each of which is manufactured by width-joining. And the lower plate 10-3 are adhered, and a groove and a groove are formed for a groove. There are no particular restrictions on the size, thickness, species, etc. of this glued lumber, but the size is 1.80m x 0.90m or 2m x 1m, the thickness is about 2-5cm, and the one made of cedar or pine It is expected to account for most of the demand.

A laminated wood 12 whose cross section is shown in FIG. 2 is an intermediate product for manufacturing the above-described laminated wood 10, and includes an upper plate 12-1, an intermediate plate
12-2 and the lower plate 12-3 are bonded. FIG.
The laminated wood 14 whose cross section is shown in FIG. 1 is obtained by measuring the size of the above-mentioned laminated wood 12 by lubrication, and performing actual and groove processing, and is similar to the laminated wood 10 shown in FIG. Further, the glued laminated lumber 16 shown in FIG. 4 is an embodiment in which a tongue and groove can be cut without any special actual processing.

[0011] In the laminated wood manufacturing plant shown in FIG.
Is a first robot for supplying a plate material of, for example, 1.80 m × 0.90 m, 1011 is a first lifter on which a plate material of the above size is placed, and 1020 is a first robot from above the first lifter.
The first conveyor for transporting the plate material supplied by 1010, 10
30 is a planer which processes the surface of the plate material conveyed and supplied by the first conveyor 1020 to obtain thickness accuracy and flatness,
1040 is a second conveyor for unloading the plate material processed by the planar 1030, and 1050 is a second robot for transporting the plate material in a full size of 1.80m x 0.90m for use as an upper or lower layer of laminated wood. , 1051 is a second lifter on which full-size plates are stacked by the second robot 1050, 10
60 is a center cross cutter that bisects the plate material for use as the middle layer of laminated wood, 1070 is a third robot that unloads the middle layer material cut to a size of 0.90 mx 0.90 m by the center cross cutter 1060, 1071 is a third lifter loaded with a half-size plate, 1080 is a turntable that accepts the third lifter 1071 and rotates 90 degrees, 1090
And 1100 are middle-layer stockers for temporarily storing lifters equipped with half-size plates, 1110 is a gluing robot for middle and upper layers, 1130 is an adhesive application device, 1140 is a bonding work table, and 1141 is a bonding work table. A work lifter, 1150, is a press for compressing the glued laminated material stacked on the bonding work lifter 1141, 1160 is a stocker for the glued glue, compressed by the press 1150, and 1170 is a glued material unloading robot.

[0012] The first robot 1010 transfers the plates stacked and carried on the first lifter 1011 to the first conveyor 1011.
Transfer one to 20. The plate material conveyed by the first conveyor 1020 is processed on both the front and back surfaces by the planar 1030 to be finished into a plate material having a predetermined thickness and flatness.
The finished plate material is conveyed by the second conveyor 1040, and the material used as the outer layer material is placed on the second lifter 1051 by the second robot 1050 in the full size, and transported to the gluing robot 1110, The material used as the inner layer material is transported to the center cloth cutter 1060, which cuts it into half size, and is stacked on the third lifter 1071 by the third robot 1070, and the turntable
Transferred to 1080.

[0013] The turntable 1080 rotates the lifter on which the half-size plate material carried thereon is mounted by 90 degrees, and transfers the lifter to the middle-layer material stockers 1090 and 1100. At this time, it is desirable that the rotation of the turntable 1080 be reversed clockwise and counterclockwise each time.

First, a plate material used as a lower layer material is transferred from a lifter received by the gluing robot to a gluing robot 1110.
However, no gluing is performed, and the sheet is placed on the laminated material lifter 1141 on the bonding work table 1140, bypassing the adhesive coating device 1130. Next, the gluing robot 1110
The two half-sized plates stacked side by side on the received lifter are carried out, and the lower surface thereof is brought into contact with the gluing roller of the adhesive coating device 1130, and is stacked on the lower layer material on the bonding lifter 1141.

Further, the plate material used as the upper layer material by the gluing robot 1110 is carried out from the lifter, glued by the adhesive coating device 1130, and then stacked on the middle layer material on the bonding lifter 1141. . This process is repeated a number of times, and a number of glulams are accumulated on the lifter 1141 for the bonding operation. When the number of laminated materials accumulated on the bonding operation lifter 1141 reaches a predetermined number, the bonding operation lifter 1141 is sent to the press 1150 and pressed.
As the press 1150, 100t to 200t, preferably 140t
Or about 150t is recommended. After pressurized for a certain period of time by press 1150, lifter 1141
Is transported to a laminated wood stocker 1160, and is carried out by a laminated wood unloading robot 1170.

FIGS. 6 to 8 show the above-mentioned adhesive coating apparatus.
An operation state of the wood bonding apparatus 20 using a device similar to 1130 is shown. In the figure, reference numeral 21 denotes a hydraulically controlled lifter on which a half-size inner layer material 22 is placed.
22 is stacked side by side on the plate pallet 23
It is carried and placed on the inner layer lifter 21. Reference numeral 24 denotes a hydraulically controlled lifter on which a full-size outer layer material 25 is placed. The outer layer material 25 is stacked on an outer layer material pallet 26 and placed on the outer layer material lifter 24. Numeral 27 is a hydraulically controlled glued particle lifter on which the glued glued particles 28 are placed. The glued particles 28 are sequentially stacked on a glued particle pallet 29 placed on the glued particle lifter 27. In these lifters, in order to keep the height of the loaded plate material constant, a device that detects the surface position of the highest plate material and a servo control of the hydraulic cylinder so that the output of the detection device becomes constant It is desirable to provide a device.

Reference numeral 30 denotes an adhesive application roller of an adhesive application device in which other parts are not shown, and 31 denotes a doctor roller. Since the details of the adhesive application device are known, they are omitted to simplify the drawing. Reference numeral 40 denotes a device for adsorbing and transporting the middle layer material 22 and the outer layer material 25, and includes a suction disk 42 which is controlled to move up and down by a hydraulic cylinder 41. The hydraulic cylinder 41 is attached to a trolley that reciprocates along a guide (not shown) together with a hydraulic control unit, an exhaust pump, and the like.
From the position 40-A corresponding to 21, the position 40 corresponding to the outer layer material lifter 24, the adhesive application roller 31, and the laminated material lifter 27
Reciprocate between -B, 40-C and 40-D. In addition, in order to avoid complication of the drawings, in the drawings, known components that are not directly related to the configuration of the present invention, such as guides, trolleys and their driving devices, hydraulic control units, exhaust pumps, and power supply circuits, are omitted. is there.

FIG. 6 shows a state in which the suction conveyance device 40 conveys a full-size plate material 25 used as a lower layer material. When the suction conveyance device 40 is at a position where the outer layer material should be sucked, that is, at a position 40-B corresponding to the outer layer material lifter 24,
The hydraulic cylinder 41 extends, and the suction board 42 is pressed against the plate material stacked on the top, and sucks the plate material. The figure shows a state in which the top plate is slightly lifted.

When the suction conveying device 40 conveys the lower layer material, the hydraulic cylinder 41 contracts, and the suction disc 42 moves the high path, that is, the avoidance course C _F , so that the sucked plate material does not contact the adhesive application roller 31. And move to the right in the figure,
Via position 40-C, the position corresponding to the glulam lifter 27
Reach 40-D and stop, extend hydraulic cylinder 41,
The conveyed plate materials are stacked on a laminated wood pallet 29 placed on a laminated wood lifter 27.

Next, as shown in FIG.
Returns to the position 40-A corresponding to the inner layer lifter 21 in order to transport and glue the half-sized plate 22 serving as the middle layer, absorbs two half-sized plates, and moves to the right in the figure. At this time, the hydraulic cylinder 41 does not contract much, and the suction plate 42
31 is moved rightward in the figure through the glue course C _A lower than the avoidance course C _F to make contact with 31, gluing is performed at the position 40-C, and further proceeds to the position 40-D. In D, the hydraulic cylinder 41 is extended, and the transported half-size plate material is transported first, and is superimposed on and bonded to the full-size plate material dropped on the laminated pallet 29.

Further, as shown in FIG. 8, the suction / transport device 40 returns to the position 40-B corresponding to the outer layer lifter 24 in order to transport and glue the full-size plate material 25 as the upper layer material. While unloading the plate 25, this time, through the course C _a gluing to move the suction cup 42, glued to plate 25, down the sheet material 25 at a position 40-D, to adhere. Through the above steps, the three-layer glulam shown in FIG. 1 and the like is obtained. By repeating such a process, a large number of laminated materials are manufactured, and these are pressed and / or heated as required to cure the adhesive, and further subjected to a desired finishing process to obtain a product.

[0022]

According to the present invention, since the present invention is constituted as described above, the plate can be transported without touching the adhesive applied surface in the wood bonding, so that the apparatus and the working environment are always kept clean. It is possible to provide a high-quality glued laminated lumber because it can be kept and a sufficient and sufficient amount of adhesive can be always applied. According to the present invention,
It is possible to provide a wood bonding apparatus which does not require a special device for transporting and stacking the glued plate materials on the bonding work table, can easily and accurately position the plate materials, and can obtain a highly accurate laminated wood.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a final shape of a laminated wood manufactured by a wood bonding apparatus according to the present invention.

FIG. 2 is a cross-sectional view showing a shape of a laminated wood bonded by the wood bonding apparatus according to the present invention.

FIG. 3 is a cross-sectional view showing a state in which the laminated wood shown in FIG. 2 has been subjected to finish processing.

FIG. 4 is a cross-sectional view showing another shape of the laminated wood bonded by the wood bonding apparatus according to the present invention.

FIG. 5 is a plan view showing an arrangement of a glulam production factory in which the wood bonding apparatus according to the present invention is used.

FIG. 6 is an explanatory view showing the configuration and operation of the wood bonding apparatus according to the present invention.

FIG. 7 is an explanatory view showing the configuration and operation of the wood bonding apparatus according to the present invention.

FIG. 8 is an explanatory view showing the configuration and operation of the wood bonding apparatus according to the present invention.

[Explanation of symbols]

 10, 12, 14, 16 Glued laminated lumber 10-1, 12-1 Upper layer 10-2, 12-2 Middle layer 10-3, 12-3 Lower layer 20 Wood bonding equipment 21 Inner layer lifter 22 Inner layer 23 Inner layer Pallets 24 Outer material lifters 25 Outer materials 26 Outer material pallets 27 Glue lifters 28 Glue materials 29 Glue pallets 30 Adhesive application equipment 31 Adhesive application rollers 32 Doctor rollers 40 Sheet suction and transfer equipment 41 Hydraulic cylinder 42 Suction disc 1010 1st Robot 1020 First conveyor 1030 Planer 1040 Second conveyor 1050 Second robot 1060 Center cross cutter 1070 Third robot 1080 Turntable 1090 Middle layer stocker 1100 Middle layer stocker 1110 Glue robot 1130 Adhesive applicator 1140 Adhesive table 1150 Press 1160 Lumber stocker 1170 Glued unloading robot

Claims (5)

[Claims] 1. Receiving an adhesive supply, gluing to a plate material (22, 25) to be bonded using a rotating adhesive application roller (31), and bonding a plurality of plate materials (22, 25). In the wood bonding device (20), a device (40) for gluing the plate material (22, 25) to be bonded is supported so as to be able to move up and down and move freely. (30)
The wood bonding apparatus (20) as described above, further comprising a vacuum suction plate (42) that can be moved by contacting with the wood. 2. A device (21, 24) for supplying a plate material (22, 25) to be bonded, a machine base, and an adhesive application roller (31) rotatably supported by the machine base and rotating while contacting each other. ) And a doctor roller (32), a device for supplying the adhesive onto the adhesive applying roller (31) and the doctor roller (32), and rotating the adhesive applying roller (31) and the doctor roller (32) Adhesive coating device consisting of roller rotation drive device (3
0), the bonding work table (27), and the plate material (22, 25) supplied from the plate material supply device are adsorbed,
_A gluing course (C _A ) that allows the lower surface of the plate material (22, 25) to contact the adhesive application roller (31) to apply the adhesive, and the lower surface of the plate material (22, 25) is the adhesive application roller (31) A plate material transfer device for transferring the sucked plate materials (22, 25) onto the bonding work table (27) and selectively stacking them via one of the avoidance courses ( _CF ) in which the adhesive is not applied and the adhesive is not applied. (40)
A wood bonding apparatus (20) according to claim 1, comprising: a central controller for controlling the operation of said components. 3. A plate material supply device comprising: a plate material to be bonded;
The wood bonding apparatus (20) according to claim 2, further comprising a lifter (21, 24) for stacking and mounting a plurality of the pieces (5). 4. Plates of different sizes (22, 25)
4. A wood bonding apparatus according to claim 1, wherein a plurality of plate material supply devices are provided for supplying the plate material, and the plate material transport device (40) sucks and transports the plate material of each size according to a predetermined procedure. 20). 5. The wood bonding apparatus (20) according to claim 1, further comprising a press for pressing the bonded laminated material.