JPS62218105A - Aggregate square timber and manufacture thereof - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a square timber and a method for manufacturing the same, and more particularly to a square timber composed of relatively short flat plates and a method for manufacturing the same.

[Prior art]

Conventionally, formwork panels used to form concrete formwork, for example, have been manufactured by joining flat plates and crosspieces or rafters with nails or adhesives. Square timbers were used.

On the other hand, relatively short flat plates were disposed of as waste.

[Purpose of the invention]

The present invention has been made in view of the above-mentioned state of utilization of wood resources, and the present invention has been made in view of the above-mentioned state of utilization of wood resources, and the present invention has been made to provide an aggregated square lumber constructed using relatively short flat plates that were conventionally disposed of as waste, and The object of the present invention is to provide a method for continuously manufacturing square timbers.

[Structure of the invention]

The aggregated square timber of the present invention has a plurality of rows of flat plates arranged in a continuous state with short flat plates of the same width butted against each other in the longitudinal direction, and these rows of flat plates are connected to each other. It is characterized by being overlaid and integrally bonded so that the abutting positions are different from each other.

Furthermore, in the method for manufacturing a block of square timber according to the present invention, the lengths of the flat plates are initially different from each other, and then the lengths of the flat plates are approximately the same. There is a process in which the edges are butted against each other and fed in a continuous state, a process in which adhesive is applied to the flat plates being transferred on the transfer route, and a process in which the flat plates transferred along each transfer route are merged and compressed to form the flat plates. This method is characterized by comprising a step of adhering the pieces to each other, and a step of cutting the formed square pieces into predetermined lengths.

〔Example〕

Hereinafter, one embodiment of the present invention will be described based on the drawings.

First, the structure of the block 1 will be explained with reference to FIG. This square block 1 is made up of a large number of flat plates 2 that are shorter than the length of the block to be formed and have the same width. These flat plate materials 2 are arranged with their longitudinal edges abutting each other to form a continuous flat plate row 3. Three rows of flat plate materials 3 are stacked so that the abutment positions of the flat plate materials 2 are different from each other. and are integrally bonded together to form the assembled square timber 1.

The overall configuration of an apparatus for continuously manufacturing this aggregated square timber 1 will be explained with reference to FIG. 2. In addition, in the device shown in Fig. 2,
Although the two series are configured to operate simultaneously, in order to simplify the explanation, only one series will be explained in the parts where it is not necessary to explain the two series in relation to each other.

In FIG. 2, an apparatus 10 for manufacturing a block of square lumber includes three rows of flat plates 3 in which the flat plates 2 are made in a continuous state with their surfaces vertical and their longitudinal edges abutted against each other. A flat plate supply device 11 that continuously sends out flat plate materials, and an adhesive application device 12 that applies adhesive to the inner side surfaces of the flat plate rows 3 on both sides of the central flat plate row 3 among the flat plate rows 3 that have been sent out. , a merging guide device 13 for merging each row of flat plates 3, a clamping device 14 for compressing the three merged rows of flat plates 3 from both sides and joining them with adhesive, and a clamping device 9 for joining. A cutting device 1 that cuts the formed square timber 1 into a predetermined length.
5, and a re-squeezing device 16 that re-squeezes the cut aggregated square lumber l to strengthen the adhesive bond.

The flat material supply device 11 is constructed as shown in FIG. 3. That is, a supply section 2 that laminates and holds flat plate materials 2.
1 are provided in three rows per series. Each supply section 2
A protrusion member 22 is disposed at the bottom of the plate member 1 to sequentially protrude the flat plate member 2 at the lowest position laterally. This protruding member 22 is attached to a rotating shaft 23 that is rotationally driven by a cylinder device and a lever (not shown), and as the rotating shaft 23 rotates, the tip of the protruding member 22 presses one side edge of the flat plate 2. It is configured so that it sticks out. The protruded flat plate material 2 is
It is configured to fall under its own weight through a guide passage 24 whose inner width gradually narrows downward and has a width slightly wider than the thickness of the flat plate 2 at the lower end of the guide passage 24.
is held in a vertical position. A chain conveyor 25 serving as a means for delivering the flat plate material 2 in a vertical position is disposed so as to face the lower end opening of the guide passage 24 .

This chain conveyor 25 is provided with a feed pawl that engages with and presses the rear end of the flat plate material 2.

As shown in FIG. 4, the adhesive applicator 12 is equipped with an applicator roller 26 that rotates while abutting against the side surface of the flat plate row 3. A agent supply device 27 is provided.

As shown in FIG. 1, the merging guide device 13 has a transfer path 28 bent so as to bring the flat plate rows 3 on both sides closer to the central flat plate row 3 among the three flat plate rows 3. Guide rollers 29 are arranged along the outside thereof.

The clamping device 14 includes a plurality of pairs of clamping rollers 30 that clamp the three combined flat plate rows 3 from both sides thereof.

The cutting device 15, as shown in FIG.
A guide rail 31 is constructed so as to cross above the transfer route, and a rotary drive device 34 equipped with a cutting saw blade 33 is mounted on a movable trolley 32 that can move freely along the guide rail 31. movably coupled and movable trolley 3
A cylinder device 35 for moving the rotary drive device 34 and a cylinder device 36 for vertically swinging the rotary drive device 34 are provided, and during cutting, the movable cart 32 moves laterally with the rotary drive device 34 swinging to the downward position. It is configured so that the block 1 is cut by the cutter 1, and the block 1 is returned to its original position in a retracted state by swinging upward.

The re-squeezing device 16 is constructed as shown in FIG. 1 and FIGS. 6 to 10. A support roller 42 that moves on a support frame 40 disposed at both ends in the direction of transport of the assembled square lumber l is attached to the upper end of a hanging rod 43.
A moving frame 41 is supported so as to be movable laterally.

In this mobile frame 41, two in each of the two -type pressure means 44a, 4, 4, 44a, 4, 44a, 44a, 44A, 44a, each in accordance with the two transfer channels of the collective square material 1.
4b, 44C144d are arranged in parallel. Each of these clamping means includes a pair of clamping bodies 45a and 45b,
One clamping body 45a is fixed to the movable frame 41, and the other clamping body 45b has two positions: a closed position in which it holds or clamps the block 1 inserted between these clamping bodies, and an open position in which it is discharged downward. It is pivotally supported on the moving frame 41 so as to be swingable between the two.

As shown in FIG. 9, each clamping body 45a, 45b is constructed by mounting a large number of rollers 47 rotatable around a vertical axis on a long beam 46 at appropriate intervals.

When the movable frame 41 is located at one of the moving ends, the swing-side clamping bodies 45b of the clamping means 44a and 44C, which respectively correspond to the two lines of transfer paths of the block lumber l, interlock with each other. They are connected by connecting links 48a at one or more appropriate locations in the longitudinal direction so as to swing open and close, and correspond to the transfer path of the aggregate square timber I when the moving frame 41 is located at the other moving end. Nipping means 44b and 44
Similarly, the swing-side clamping bodies 45b are connected to each other by a connecting link 48b at d. At one side of the clamping means 44a and 44d on the movable frame 41, there is a rotation shaft 49a extending over the entire length of the movable frame 41 in the direction of transport of the block timbers 1.
and 49b are rotatably arranged, and levers 50a and 50b attached to each link 51a and 49b respectively to the swing-side clamping body 44b of the clamping means 44a and 44d.
51b.

As shown in FIG. 7, opening/closing operating levers 52a, 52b are attached to appropriate locations on the rotating shafts 49a, 49b, and opening/closing cylinder devices 53a, 53b for rotationally operating these opening/closing operating levers are attached to the moving frame 41. It is located. Further, as shown in FIG. 8, clamping rotation levers 54a and 54b are attached to appropriate positions of the rotating shafts 49a and 49b, and pressing cylinders bias the clamping rotation levers to rotate as shown by the arrows. Devices 55a and 55b are arranged on the moving frame 41. Further, as shown in FIGS. 9 and 10, a kick-out piece 56 of a block lumber l is swingably disposed at a suitable location in the longitudinal direction of each fixed-side clamping body 45a, and the swinging-side clamping body The upper end of the protruding piece 57 that protrudes above 45b and the upper end of this kick-out piece 56 are connected by a link 58, and the swing-side clamping body 45b swings into the open position as shown in FIG. When the kick-out piece 56 swings, the square timber 1 is moved between the fixed side clamping body 45a and the swinging side clamping body 4 in the open position.
5b and is configured to be kicked out and discharged downward.

In addition, limit switches 6o and 61.62 for detecting the flat plate material 3 or the aggregated square material 1 are provided at the outlet position of the flat material supply device 11, the merging guide bag M13 portion, and appropriate locations of the re-squeezing device 16, respectively. has been done.

' In the above structure, the manufacturing process of the aggregate square timber 1 will be explained. First, the flat plate material 2 is placed in the supply section 21 of the flat plate material supplying device 11.
Laminate. At that time, first, the lengths of the three supply parts 21 are made to differ from each other only by the flat plate material 2 at the lowest position,
After that, flat plate materials 2 of the same length are all laminated. When the apparatus is started in this state, the protruding member 22 is activated, and the flat plate 2 at the lowest position is ejected from the supply section 21 into the guide passage 24, and is held in a vertical position at the lower end of the guide passage 24.

Next, this flat plate material 2 is sent out toward the next adhesive application device 12 by a chain conveyor 25. In this flat material supplying device 11, the above operations are continuously performed, so that the flat sheets 2 are delivered as a continuous row of flat plates 3 with their longitudinal edges abutted against each other. If the flat material 2 is not butted,
The limit switch 60 detects this and prompts the flat material 2 to be fed. The flat plate array 3 then passes through an adhesive applicator 12, where adhesive is applied to its sides by an applicator roller 26. Three rows of flat plates 3 coated with adhesive are merged at a merge guide device 13.

If there is a gap between the edges of the flat plates 2 in each flat plate row 3 at this confluence part, the limit switch 61 detects this. Then, based on this detection, the processes after the adhesive coating device 12 are temporarily stopped, and the flat material supplying device 11
The flat material 2 is urged to be sent out from the center, and the subsequent flat material 2 is pushed in to eliminate the gap. After the three flat plate rows 3 are joined together, they are pressed from both sides by the pressing rollers 30 in the pressing device 14 and joined with adhesive to form the aggregated square timber 1. The formed block 1 passes under the cutting device 15,
It is inserted into the pinching means 44a and 44c in the re-squeezing device 16. When the limit switch 62 arranged corresponding to the length of the desired block 1 detects its tip, the feeding of the flat plate row 3 is stopped, and the cutting device 15 is activated to cut the block 1 into the desired length. cut to length. When the cutting is completed and the cutting device 15 returns to the standby state, the re-squeezing device 16
The moving frame 41 moves laterally toward the other moving end,
Clamping means 44b and 44d are located in corresponding positions on the transport path of the square timber 1. In this state, the feeding of the flat plate row 3 is resumed, and the formed square timber 1 is inserted into these clamping means 44b, 44d. When the tip of the square timber 1 is detected by the limit switch 62, the feeding of the row of flat plates 3 is stopped in the same manner as described above, and the cutting device 15 is activated to cut the square timber 1 into a predetermined length. Meanwhile, the pinching means 4
4a and 44C, the pressing cylinder device 55a operates to rotate the rotating shaft 49a via the pinching rotation lever 54a, and presses the pinching means 44a via the lever 50a, the link 51a, and the connecting link 48a. The swing-side clamping body 45b of 44c is pressed toward the fixed-side clamping body 45a, and the square timber 1 is again clamped between these clamping bodies 45a and 45b, so that the adhesive bonding is more complete. It will be done.

Next, the moving frame 41 returns to its original moving end position.

Then, the opening/closing cylinder device 53a operates, and the opening/closing operation lever 52a rotates in the direction of the arrow in FIG.
a rotates, and the clamping means 44 is transmitted through the same transmission path as above.
The swing-side clamping bodies 45b of a and 44c swing open. Additionally, the kicking piece 56 is moved as shown in FIG. 10 (
When activated, the aggregated square timber 1 is discharged downward from between the clamping bodies 45a and 45b. When the assembled square timber 1 is discharged, the opening/closing cylinder device 53a operates in the opposite direction, and the clamping body 45b returns to the closed position. In this state, the feeding of the flat plate row 3 is resumed, and the formed square blocks l are transferred to the clamping means 44.
a, 44C, and when it reaches a predetermined length, it is cut.

Meanwhile, in the clamping means 44b and 44d, the pressing cylinder device 55b operates in the same way as described above, and re-clipping is performed between the clamping bodies 45a and 45b of the clamping means 44b and 44d. Next, the moving frame 41 moves, and the square timbers 1 in the clamping means 44a and 44C are re-pinched, and the square timbers l in the clamping means 44b and 44d are discharged, and then the next collection The square timber 1 is inserted, and the same operation is repeated thereafter.

In this way, a predetermined length of square blocks l that are pressed twice and firmly joined with adhesive are continuously produced.

In the above embodiment, a re-squeezing step is provided, but in some cases, the re-squeezing step can be omitted by lengthening the nipping step.

〔Effect of the invention〕

According to the assembled square timber of the present invention, a plurality of rows of flat plates are provided in which short flat plates of the same width are arranged in a continuous state with their longitudinal edges abutting each other, and these rows of flat plates are connected to each flat plate. Since the materials are stacked and glued together so that the butting positions are different from each other, it is possible to use short flat materials that would previously have been disposed of as waste materials, but it can be used at any position in the longitudinal direction if needed. It is possible to obtain a collective square timber having strength. Further, according to the manufacturing method of the present invention, the above-mentioned aggregated square timber can be manufactured continuously.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is a perspective view of a block of square timbers, FIG. 2 is a schematic plan view of the entire manufacturing device, and FIG. 3 is a vertical sectional view showing the schematic configuration of a flat material supply device. FIG. 4 is a partial side view of the adhesive applicator, FIG. 5 is a side view of the main parts of the cutting device, FIGS. 6 to 8 are longitudinal sectional side views of various parts of the re-squeezing device, and FIG. FIG. 10 is an enlarged cross-sectional view of the clamping means, and is a cross-sectional view showing the operating state of FIG. 9. Reference numeral 1 denotes a block block material, 2 a flat plate block, 3 a row of flat plates, 10 a block block manufacturing apparatus, 11 a flat block supply apparatus, 12 an adhesive coating apparatus, 14 a clamping device, and 15 a cutting device. Fig. 3 'IFJ Fig. 4' Fig. $5 June 10, 1986 Director General of the Patent Office Tonoso Uga Michibu] 1. Indication of the case 1986 Patent Application No. 063720 2. Name of the invention Aggregated square timbers and their Manufacturing method 3, relationship with the case of the person making the amendment Patent applicant address: 368 Kyokoji, Takaoka City, Toyama Prefecture Name: Yama 1) Yoshiyuki 4, Agent: 8530 Address: 2-4-17 Tenjinbashi, Kita-ku, Osaka City May 27, 1986 6, subject to amendment

Claims (1)

[Scope of Claims] 1. A plurality of rows of flat plates are provided in which short flat plates of the same width are arranged in a continuous state with their longitudinal edges abutted against each other, and these flat plate rows are connected to each flat plate material. A set of square timbers characterized by being overlaid and integrally glued so that the butt positions are different from each other. 2. A process of continuously feeding flat plates of different lengths at first to a plurality of transport paths in a vertical position, with the lengths of the plates being approximately the same, with their longitudinal edges butted against each other. , a process of applying adhesive to the flat plate materials being transferred on the transfer route, a process of merging the flat plate materials transferred along each transfer route and compressing them, and bonding the flat plate materials to each other. 1. A method for manufacturing a block of square timber, comprising the step of cutting the block of square timber into a predetermined length.