JPS6154565B2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a mechanism device for stacking a plurality of veneers in the order of forming plywood, and is provided with a plurality of support frames that circulate in a circulation path, and each support frame has a veneer mounted on it. It is equipped with a ruler member that regulates both sides or one side of the veneer in the direction of movement of the support member to be placed and the support frame, and is equipped with a plurality of sets of carrying means to transfer each veneer to one support frame on one side of each veneer. By aligning with the ruler member and placing the plywood on the support member in the order of their construction, it is possible to save labor on this type of veneer assembly work, which was conventionally done mostly by hand, and it is also easier to do with conventional assembly equipment. This enables precise veneer lamination with aligned edges and a highly efficient veneer mechanism, which was previously impossible to achieve.

An example of a conventional mechanical device for this type of veneer is the one disclosed in Japanese Patent Application Laid-Open No. 47-23517, but this mechanical device has two small conveyors arranged in series above the lower conveyor, and the lower conveyor First and second stoppers that can be raised and lowered are arranged above, and by raising these stoppers, the veneers conveyed by the lower conveyor and the veneers conveyed by each small conveyor are stopped. The configuration is such that the upper and lower veneers are aligned and stacked by lodging and the running of each conveyor, and the edges of the upper and lower veneers are aligned by the stopper, but each veneer is moved forward by lowering the stopper. When conveying the veneer, the coefficient of friction between the conveyor and the veneer varies depending on the density, undulation, etc. of the veneer surface. There is a fatal problem in that the stacking of the upper and lower veneers becomes incorrect even if the edges are aligned due to the difference in feeding force, and since stacking is performed on a straight running path, it is difficult to stack a large number of veneers. The problem was that it required a large amount of land.

The device of the present invention includes a support frame that circulates the circulation path,
This is because the support frame is provided with a ruler member that regulates both sides or one side of the veneer in the direction of movement, and each veneer is stacked on the support member by the carrying means so that one side of the veneer coincides with the ruler member. , the sides of each veneer correspond exactly to the ruler members, and
The support frame only places the veneer on it and is not directly involved in the conveyance of the veneer. Therefore, even if there is a difference in density or undulations in the veneer, the side surface of the veneer will not be affected when the veneer advances or stops. There is no problem of misalignment with the ruler member or collapse of stacking, and an accurate mechanism with aligned edges is performed. In addition, since the support frame is circulated through the circulation path, it can be implemented without requiring a large site even in a system with a large number of frames.
This completely eliminates the drawbacks of conventional devices.
This invention will be explained with reference to embodiments shown in the drawings.
Reference numeral 1 denotes a conveying body, and the conveying body 1 uses, for example, a crescent-type chain that can form a free running path curved in the horizontal plane or in the vertical direction, and is used for circulating circulation with a straight running path and a curved running path as shown in Fig. 1. form a road,
The drive mechanism 2 continuously circulates the fluid in the same direction through the circulation path, and a plurality of support frames 4 (eight in this example) are attached to the plate 3 of the carrier 1 at appropriate intervals. . The support frame 4 is used to place and transport each veneer that makes up the plywood, and includes a support member 5 on which the veneers are placed, and an original board to be placed (the front panel of the veneers that make up the plywood). Two sets of ruler members 6 and 6' are provided for regulating both sides of the board A and the back veneer B) in the fiber direction. The support member 5 has an appropriate structure on which the veneers can be placed. However, when placing the veneers on the support frame 4 in the order of plywood composition, the lowest veneer becomes the original plate, and the stacked veneers are In consideration of taking out, for example, as in the embodiment, it is made into a rod shape or a flat plate shape divided in the fiber direction of the original plate placed at the lowest position. Further, the two sets of ruler members 6 and 6' are provided so as to restrict both sides of the original plate in the fiber direction, that is, both sides of the support frame 4 in the advancing direction, as shown in FIGS. As shown in the drawings and FIG. 6, a ruler member 6a is provided for regulating one side of the original plate in the fiber direction, that is, one side of the support frame 4 in the direction of movement. When regulating both sides of the original board using two sets of ruler members, the distance between the ruler members 6 and 6' is set to be somewhat larger than the dimension in the direction perpendicular to the fiber direction of the original board, and When regulating the side surface, the support member 5a is attached to the ruler member 6.
It is formed so as to be inclined downward toward a. In this way, by providing the ruler member on the support frame, the sides of the veneer can be accurately controlled, and by regulating both sides or regulating one side and tilting the support member, it is possible to prevent deviations of the veneer when the support frame is running, stopping, etc. This is to prevent such things.

A plurality of sets of veneer loading means are provided at appropriate positions in the circulation path of the conveyor 1 so that the veneers constituting the plywood can be fed into the circulating support frame 4 from above. For example, in the case of three-ply plywood as in the example (plywood composed of a front veneer A, a core veneer C coated with adhesive on both sides, and a back veneer B), the front veneer A Carrying means 7 for the back veneer B, carrying means 7 for the back veneer B
Carrying means 7b for core veneers a and core veneers C are arranged sequentially from the upper side in the circulation direction of the circulation path, and these veneers are sequentially fed into one support frame 4 and overlapped to form a veneer structure. This is what we do. When assembling 5 or more plywood sheets, place the carrying means for the center veneer on the upper side of the carrying means 7 for the front veneer A or between the carrying means for the back veneer B and the core veneer C. If you set it up, you can use the same mechanism.

The loading means 7 for the front veneers A is comprised of, for example, a vacuum cup that is movable up and down and back and forth so as to feed out the front veneers A one by one from the pile A' of the front veneers A in the fiber direction. A feeding mechanism 8, a roll 9 that continuously conveys the fed front veneer A, a vertically movable roller conveyor 10 forming a conveying path following the feeding roll 9, and a conveying path in a direction perpendicular to the roller conveyor 10. A cross conveyor 12 that changes the direction of the front veneer A in a perpendicular direction by a belt conveyor 11 forming a cross conveyor 12, which forms a conveyance path following the belt conveyor 11, conveys and supports the front veneer A in a direction perpendicular to its fiber direction. The cross conveyor 12 is operated by a stopper 14 for regulating the end surface Aa of the front veneer A transported by the roller conveyor 10 and the end surface Aa. A veneer detector 15 is provided to lower the roller conveyor 10 and transfer the front veneer A from the roller conveyor 10 to the belt conveyor 11. The procedure for placing the front veneer A onto the support frame 4 using the carrying means 7 is as follows:
For example, when the support frame 4 is circulated continuously in the same direction at a constant speed by the carrier 1, a detector 16 is installed in the circulation path.
The support frame 4 is detected by the detector 16, and the front veneer A is sent out from the pile A' based on the signal, and the front veneer A reaches the position of the feed conveyor 13 and the support frame 4 is sent to the feed conveyor 13. Adjust the timing of reaching the lower position, and feed the front veneer A into the support frame 4 so that one side Ab of the front veneer A in the fiber direction almost coincides with one ruler member 6 of the support frame 4. It is placed on the support member 5.
Further, the feed conveyor 13 is configured to be driven intermittently, a detector is provided at the feed conveyor 13, the front veneer A is temporarily stopped at a predetermined position on the feed conveyor 13, and the support frame 4 is detected. Alternatively, the front veneer A may be configured to start in response to a signal from the device, feed the front veneer A to the support frame 4 so that its side surface Ab substantially coincides with the ruler member 6, and place it on the support member 5. It can be implemented similarly.

In this way, the support frame 4 on which the front veneer A is placed, with the side surface Ab almost matching the ruler member 6 and the end surface Aa being regulated, is moved to the position of the carrying means 7a by the circulating flow of the carrier 1. A back veneer B is placed on top of the front veneer A. Since the carry-in means 7a has the same structure as the carry-in means 7, a detailed explanation will be omitted, but it includes a feed-out mechanism 8a, a feed roll 9a, a cross conveyor 12a consisting of a vertically movable roller conveyor 10a and a belt conveyor 11a, and a feed-in conveyor 1.
3a, a stopper 14a, a veneer detector 15a, a detector 16a, etc. When the detector 16a detects the support frame 4 on which the front veneer A is placed, the back veneer B is moved into a pile by the feeding mechanism 8a based on the signal. B', and its end surface Ba is regulated by the stopper 14a so that it almost coincides with the end surface Aa of the front veneer A, and its side surface Bb is supported so that it almost coincides with one of the ruler members 6 of the support frame 4. Sent to frame 4,
The back veneer B is accurately superimposed on the front veneer A with the end surface and side surfaces aligned.

The support frame 4 on which the front veneer A and the back veneer B are placed one on top of the other advances further and moves to the position of the carrying means 7b, and the core veneer C is placed on the back veneer B. . The carrying means 7b is equipped with a gluing machine 17 that feeds the core veneer C into the support frame 4 and applies adhesive to both the front and back surfaces of the core veneer C, and loads the core veneer C one by one from the pile C'. A feeding mechanism 8b consisting of a vacuum cup and the like that feeds the core veneer C in the direction of the fibers, a feeding roll 9b that conveys the core veneer C to the gluing machine 17,
A disc conveyor 18 that conveys the core veneer C coated with adhesive, a feed conveyor 13b with a large number of convex bodies attached to an endless belt, and a detector 1 that detects the support frame 4.
When the detector 16b detects the support frame 4 on which the front and back veneers A and B are placed, the feed-out mechanism 8b is actuated by the signal, and the core veneer C is sent out from the pile C, and the fiber direction is It is conveyed to the frame 4, coated with adhesive by the gluing machine 17, and fed into the support frame 4 via the feed conveyor 13b so that its end face Ca almost coincides with one of the ruler members 6 of the support frame 4 that has reached the lower part. , is placed on the back veneer B with its end surface Ca almost matching the side surface Ba of the back veneer B. Also, one side of the core veneer C in the fiber direction
Cb is the regulated end surface Aa, Ba of the front and back veneers A and B.
The core veneer C is fed into the support frame 4 so that it almost coincides with the
Cb is deposited in a uniform manner, or the sending mechanism 8
When sending out the core veneer C by step b, this is done by appropriate means such as adjusting the side surface Cb and sending it out.

In this way, when each veneer is fed and placed on the support frame 4, the side surfaces and end faces of each veneer are regulated by one of the ruler members 6 provided on the support frame 4, so that they are almost aligned. Even if accurate overlaying is performed and the support frame circulates after each veneer is placed, the configuration of the two sets of ruler members 6 and 6' that regulate both sides in the direction of movement of the original or the configuration of the original Due to the structure of the ruler member 6a that regulates one side surface and the inclined support member 5a, the original plate will not shift in the direction perpendicular to the fiber direction during circulation.
The superimposed state is maintained, and accurate superposition can be performed.Furthermore, the positions of the end surface of the original board and the side surface of the core veneer are regulated and placed on the support frame, so at least the orthogonality of each veneer is maintained. The two surfaces are aligned, and it is possible to obtain the desired accurately laminated veneer.

The 3-ply veneer is placed on the support frame 4 and further moved to the lower side, and the 3-ply veneer is maintained by the take-out means 19 and taken out from the support frame 4 and stacked on the pile D. It can be done. In this case, the front veneer A, the back veneer B, and the core veneer C are stacked in the order from the lowest to the stacking pile D, and the lowest front veneer A and the two core veneers loaded first are stacked in this order. C and back veneer B
A three-ply plywood board is constructed by the following. Normally, in one pile D, the three veneers mentioned above are loaded together, and at the bottom of the pile, two veneers B and core veneer C are loaded together, and at the top, only the front veneer A is loaded. They are loaded to form a three-ply plywood structure. When constructing a large number of plywood sheets such as 5 plywood and 7 plywood sheets, as described above, an insertion means for the center veneer is provided, and when 5 plywood sheets are assembled, the front and back veneers A, The core veneer C carrying means 7b alternately carries the stacked core veneers B and the core veneer C loaded with one core veneer.
The core veneer coated with adhesive is placed on each of the front and back veneers and the center veneer, and the core veneers are stacked one after another on the stacking pile. Following the support frames for the front and back veneers, place one center veneer on each of the two support frames, and place one core veneer coated with adhesive on each of these support frames. The structure is such that the plywood is stacked one by one on a pile, and the plywood is made up of five plywood sheets and seven plywood sheets, respectively. By providing a means for carrying in the central veneer in this way, it is possible to assemble a large number of plywood boards of any configuration.

The take-out means 19 has a structure in which, for example, the vicinity of both end ends of the original plate on which the support frame 4 is placed protrudes from the support frame, and as shown in FIG. Support member 5 or 5
A support frame 4 is provided with an inclined conveyor 20 so as to cross the support surface of a, and circulates the speed of the inclined conveyor 20.
The moving speed is set somewhat higher than the moving speed of , and the inclined conveyor 20 receives three veneers from the support frame 4, transfers them to the loading conveyor 22 via the transport conveyor 21, and places them on the pile D by the loading conveyor 22. It is designed to be loaded. The loading conveyor 22 is, for example, driven intermittently, is provided with a single plate detector 23 near its end, and is provided with idlers 24 and 25 that can move back and forth including an end portion on which an endless band is stretched, and is transported by the loading conveyor 22. When the three veneers put together actuate the veneer detector 23, the signal causes the conveyor to stop running and the idler wheels 24 and 25 to move backward.
The configuration is such that three veneers are accurately stacked onto the pile D from the end by retreating. Note that the removal of the three veneers from the support frame 4 and the loading of the veneers onto the stacking pile D may be carried out by any suitable means, such as mechanical means of this type or by hand. It is something that can be done.

The drive mechanism 2 that drives the conveyor 1 is an intermittent drive mechanism, and the support frame 4 is circulated intermittently, and when the support frame 4 is stopped, each veneer constituting the plywood is supported by each carrying means. The same effect can be achieved even if the frames 4 are sequentially fed. In this case, each support frame 4 is attached to the conveyor 1 at equal intervals, and the feed conveyors 13, 13a, 13b are connected to the loading conveyor 22. The structure is similar to that in which each veneer is accurately fed to each of the stopped support frames 4. Further, the means for carrying in the original plate may be configured to feed the original plate to each support frame 4 while conveying the original plate in the direction of its fibers.
In this case, it is effective to provide the support frame 4 with a ruler member for regulating the end surface of the original. In the case of this intermittent drive, although there is an advantage that each veneer is more accurately and reliably fed into the support frame 4, there is a disadvantage that efficiency is somewhat reduced.

As described above, the present invention includes a support member for placing the veneer on a plurality of support frames circulating in a circulation path and a ruler member for regulating the side surface of the veneer, and each veneer forming a plywood is divided into multiple sets. Since the plywood is placed on the support member in the order in which the plywood is constructed, and one side of the plywood is aligned with the ruler member by the carrying means, the support frame has accurate stacking with the edges of each veneer aligned. Moreover, the support frame has two sets of ruler members that regulate both sides of the veneer in the direction of movement, or one set of ruler members that regulates one side of the veneer, and a ruler member that points downward toward the ruler member. In addition, since the support frame is not directly involved in the conveyance of the veneers, there is no misalignment of the overlapping veneers due to circulation or stoppage of the support frame, and the veneer mechanism always has precisely aligned edges. Furthermore, since one set of polymerized veneers can be obtained in a single polymerization process, a highly efficient system is created, and since the support frame is circulated through a circulation path, a large area is not required even in a system for producing a large number of veneers. It has various effects such as not doing so.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which FIG. 1 is a plan view, FIG. 2 is a vertical cross-sectional side view taken along the line xx in FIG. 1, and FIG. 3 is a vertical cross-sectional side view taken along the y-y line in FIG. 4 is a longitudinal sectional side view taken along the line zz in FIG. 1. DESCRIPTION OF SYMBOLS 1... Conveyance body, 2... Drive mechanism, 3... Plate, 4... Support frame, 5, 5a... Support member, 6,
6', 6a... Ruler member, 7... Carry-in means for front veneer, 7a... Carry-in means for back veneer, 7b... Carry-in means for core veneer, 8, 8a, 8b... Delivery Mechanism, 13, 13a, 13b...Feeding conveyor, 14, 14a...Stopper, 17...Gluing machine, 19...Removal means, 22...Loading conveyor, A...Front veneer, A'...Front veneer Pile of board, Aa... End surface of front veneer, Ab... Side surface of front veneer, B... Back veneer, B'... Pile of pile of back veneer, Ba
...Butt side of the back veneer, Bb...Side surface of the back veneer, C
... core veneer, C'... stack of core veneers, Ca... end face of core veneer, Cb... side surface of core veneer, D... stack of stacked veneers.

Claims (1)

[Scope of Claims] 1. A conveying body that is continuously driven in the same direction in a circulation path and circulates, a supporting member that is attached to the conveying body at appropriate intervals and on which the veneer is placed, and a single plate in the direction of movement of the conveying body. A plurality of support frames each having two sets of ruler members that regulate both sides of the board, and a support frame with one side of each veneer forming the plywood at appropriate positions in the circulation path through which each support frame circulates. It consists of a plurality of sets of carrying means arranged so that the plywood can be fed into one support frame in the order of construction and overlapped so that the plywood almost coincides with one of the ruler members, and the stacked veneers are delivered to an appropriate location in the circulation path. A veneer mechanism device characterized in that the veneer is taken out from a support frame at a certain point and loaded onto a pile. 2. Claim 1, characterized in that the support frame is provided with a set of ruler members that regulate one side of the veneer in the direction of movement of the support frame, and the support member is formed to be inclined downward toward the ruler members. The veneer mechanism device described in section. 3. The veneer mechanism device according to claim 1 or 2, characterized in that the conveying body is driven intermittently to circulate the flow, and the supports are attached to the conveying body at equal intervals.