JPS62218103A - Production unit for aggregate square timber - 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] [Field of Industrial Application] The present invention relates to an apparatus for manufacturing square timbers, and more particularly to an apparatus for manufacturing square timbers formed by stacking multiple rows of flat plates and joining them with adhesive. .

[Prior art]

Conventionally, formwork panels used to form concrete formwork, for example, have been manufactured by connecting flat boards and crosspieces or rafters with nails or adhesives, or the crosspieces and rafters have been manufactured using square timbers cut from raw wood. was used.

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

Therefore, it is possible to effectively utilize wood resources by using aggregated square lumber, which is made by stacking flat plates that have been disposed of as waste and joining them together with adhesive.

However, in order to bond with sufficient strength, it is necessary to press the flat plates together for a considerable period of time using an adhesive, which is inefficient and cannot be manufactured continuously, so it cannot be put to practical use. There wasn't.

[Purpose of the invention]

The present invention has been made in view of the above-mentioned circumstances, and provides a manufacturing apparatus that can more firmly bond and efficiently manufacture aggregate square timbers made by overlapping flat plates and bonding them with adhesive. It is intended for the purpose of providing.

[Structure of the invention]

The manufacturing apparatus of the aggregate square timber according to the present invention is provided with a clamping device that overlaps and presses a plurality of rows of flat plates coated with adhesive and continuously supplied, and the assembly formed by the clamping device The invention is characterized in that a re-pinching device is provided in which a plurality of pairs of openable and closable clamping bodies into which square pieces are inserted are arranged side by side on a horizontally movable moving frame. According to this configuration, the overlapping flat plate materials are pressed and joined by a clamping device using an adhesive, and the formed square block is inserted between a pair of clamping bodies of the re-clamping device, and is then pressed to a predetermined length. When the square timber is inserted, the movable frame is moved and the square timber is again compressed between the pair of clamping bodies, thereby making it possible to obtain a square timber that is more firmly joined. Furthermore, by inserting the next formed square block between another pair of clamping bodies, the block block can be manufactured efficiently.

〔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 glued together to form a set of square timbers I.

The overall structure of an apparatus for continuously manufacturing this aggregated square timber 1 will be explained with reference to FIG. In addition, in the device shown in Fig. 1,
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. 1, an apparatus 1o for manufacturing a block of square lumber includes three rows of flat plates 3 in which the flat plates 2 are made into a continuous state by holding the flat plates 2 with their plate surfaces vertically facing each other and abutting their longitudinal edges. A flat plate material supplying device 11 that continuously sends out flat plate materials 3 and an adhesive application that applies adhesive to both sides of the central flat plate row 3 and the inner side surfaces of both side flat plate rows 3 among the flat plate rows 3 sent out. A device 12, a merging guide device 13 for merging the respective flat plate rows 3, a clamping device 14 for compressing the three merged flat plate rows 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 presses the cut aggregated square timber 1 again to strengthen the bonding with the adhesive.

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 wheel 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
The structure is such that the inner width gradually narrows downward (the width becomes slightly wider than the thickness of the flat plate material 2 at the lower end), and the flat plate material 2 falls under its own weight at the lower end of the guide path 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 of the collective square timber 1 in the transport direction 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, 44c, and 44d 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 moving 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 square timbers 1, are interlocked 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 block timbers 1 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 position of the clamping means 44a and 44d on the movable body 41, there is a rotating shaft 49a extending over the entire length of the movable body 41 in the direction of transport of the square timber 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. Furthermore, as shown in FIGS. 9 and 10, a kick-out piece 56 of the square timber 1 is swingably arranged at an appropriate position 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 60, 61, and 62 for detecting the flat plate material 3 or the aggregated square material 1 are provided at the outlet position of the flat plate material supplying device 11, at the merging guide device 13 portion, and at appropriate locations of the re-squeezing device 16, respectively. has been done.

In the above configuration, in order to manufacture the aggregated square timber 1, the flat plates 2 are first stacked on the supply section 21 of the flat plate supply device 11. At this time, first, only the flat plate material 2 at the lowest position is made to have a different length among the three supply parts 21, and thereafter, all the flat plate materials 2 of the same length are stacked. 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 stable passage 24. Next, this flat plate material 2 is sent out toward the next adhesive application device 12 by a chain conveyor 25. This flat material supply device 1
1, by continuously performing the above operations, the flat plates 2 are delivered as a continuous flat plate row 3 with their longitudinal edges abutted against each other. When the flat plate materials 2 are not in the butted state, the flat plate materials 2 detected by the limit switch 60 are prompted 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. Even at this confluence part, if there is a gap between the edges of the flat plates 2 in each flat plate row 3, the limit switch 61
Detected at Then, based on this detection, the affirmation from the adhesive applicator 12 onwards is temporarily stopped, the flat plate material 2 is urged to be delivered from the flat plate material supply device 11, and the subsequent flat plate material 2 is pushed in to eliminate the gap. After the three flat plate rows 3 merge, a pinching roller 30 is applied to the pinching device 14.
The pieces are pressed together from both sides and joined with an adhesive to form the assembled square piece 1. The formed block 1 is cut by a cutting device 1
5, and the pinching means 44a in the re-squeezing device 16
and inserted into 44C. 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 moving frame 41 of the re-clamping device 16 moves laterally toward the other moving end, and the clamping means 44 is placed on the transfer path of the square timber 1.
b and 44d correspond to each other. 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 block 1 is detected by the limit switch 62, the feeding of the flat plate array 3 is stopped in the same manner as described above, and the cutting device 15 is activated to cut the block 1 into a predetermined length. Meanwhile, in the clamping means 44a, 44c, the pressing cylinder device i! 55a operates, the rotating shaft 49a is urged to rotate via the pinching rotation lever 54a, and the pinching means 4 is rotated via the lever 50a, the link 51a, and the connecting link 48a.
The swing-side clamping bodies 45b of 4a and 44c are pressed toward the fixed-side clamping bodies 45a, and these clamping bodies 45a, 45
The assembled square timber 1 is again pressed between the parts b, and the bonding with the adhesive is completed more completely. Next, the moving frame 41 returns to its original moving end position. Then, the opening/closing cylinder device 53
a is operated, the opening/closing operation lever 52a rotates in the direction of the arrow in FIG. 7, the rotating shaft 49a rotates, and the swing-side clamping body 45b of the clamping means 44a, 44c is rotated through the same transmission path as above.
swings to open, and accordingly the kick-out piece 56 operates as shown in FIG.
It is discharged downward from between 5b. When the assembled square timber 1 is discharged, the opening/closing cylinder device ff53a 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 restarted, and the formed square block 1 is inserted into the clamping means 44a, 44c, and when it reaches a predetermined length, it is cut. Meanwhile, the pinching means 44b, 44d
In this case, the pressing cylinder device W55b is operated in the same way as above, and the clamping bodies 4 of the clamping means 44b and 44d are
Re-squeezing is performed between 5a and 45b. Next, move frame 4
1 moves, and the square timbers 1 in the clamping means 44a, 44c
is re-squeezed, and after the square blocks 1 in the clamping means 44b and 44d are discharged, the next square block 1 is inserted, and the same operation is repeated. In this way, the predetermined length of the square timber 1 is compressed twice and firmly joined with adhesive.
is produced continuously.

In addition, in the above-mentioned embodiment, an example was shown in which a flat board material of a predetermined length is manufactured using a flat plate material that is considered as waste material, but the present invention is a method of manufacturing a set square board material of a predetermined length by joining relatively long flat board materials of a predetermined length. Of course, it is also applicable when manufacturing.

〔Effect of the invention〕

According to the apparatus for manufacturing square blocks of the present invention, the stacked flat plates are pressed and joined by the clamping device using an adhesive, and the formed square blocks are transferred between the pair of clamping bodies of the re-clamping device. Since the square timber is inserted into the clamp body and the square timber is again compressed between the pair of clamping bodies, it is possible to obtain a square timber that is more firmly joined.

Also, when a square piece of a predetermined length is inserted between the pair of clamping bodies, the moving frame is moved, and during the re-pinching, the next formed square piece is inserted between another pair of clamping bodies. This allows for the efficient production of aggregated square timbers.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, in which FIG. 1 is a schematic plan view of the entire manufacturing device, FIG. 2 is a perspective view of a block of square timbers, 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. 1 is a collective square timber, 2 is a flat plate material, 10 is a manufacturing device for collective square timber, 14 is a clamping device, 16 is a re-pinching device, 41 is a moving frame,
45a and 45b are clamping bodies. Figure 3 1, Indication of the case 1986 Patent Application No. 063718 2 Name of the invention Apparatus for manufacturing aggregated square timbers 3 Person making the amendment Relationship to the case Patent applicant Address 368 Kyokoji, Takaoka City, Toyama Prefecture Name Yama 1) Yoshino 4, Agent 8530

Claims (1)

[Claims] 1. A clamping device is provided that overlaps and compresses multiple rows of flat plates coated with adhesive and continuously supplied, and multiple pairs of opening/closing units are inserted into which the square blocks formed by this clamping device are inserted. 1. An apparatus for manufacturing a set of square timbers, characterized in that a re-pinching device is provided in which a clamping body is arranged side by side with a movable frame that can move laterally.