JP3466704B2 - Veneer veneer lifting equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a veneer veneer lifting device.

[0002]

2. Description of the Related Art A device disclosed in Japanese Utility Model Publication No. 57-15775 is known as a device for piercing and lifting only one conventional veneer veneer (hereinafter referred to as a veneer) with a piercing body. The device has, for example, the structure shown in FIGS.
The needle-like piercing body 1 protrudes from the stopper 2 by the same amount as the thickness of the veneer, and the stopper 2 and the piercing body 1 are moved up and down by a cylinder, so that one end of the accumulated veneer in the fiber direction I pierce the part and lift it.

[0003]

However, such a conventional device has the following problems. That is, as shown in FIG. 2, when the veneer 5 is stabbed and lifted, the strength of the veneer orthogonal to the fiber orthogonal direction is weak, so that the base of the piercing body 1 hangs down as a fulcrum, but the fiber direction of the veneer is not strong. Since it is strong, the central portion side (left side in FIG. 2) in the fiber direction of the veneer having a large self-weight hangs down, and as a result, the end side (right side in FIG. 2) warps upward. Therefore, a large force acts in the direction of pulling out the veneer 5 from the puncture body 1 (leverage principle), with the X portion of the stopper 2 at a position distant from the root of the puncture body 1 in the fiber direction of the veneer as a fulcrum. Therefore, there is a problem that the holding force of the veneer 1 for the veneer 5 is weakened or the veneer 1 is pulled out from the veneer 1.

The present invention has been made in order to solve such a problem, and its object is to make the center of the veneer in the fiber direction with the root of the piercing body piercing the veneer as a fulcrum. Even if the part side hangs down and the end part warps upwards, the piercing body according to the principle of leverage is constructed by configuring the piercing body and the holding member so that a fulcrum does not occur at a position distant from the root in the veneer fiber direction. Since the force to pull out the veneer from the body does not act, the holding force of the veneer by the piercing body weakens,
Another object of the present invention is to provide a veneer lifting device in which the veneer rarely comes out of the piercing body.

[0005]

Specifically, in a device for lifting a stacked veneer from a surface layer, a holding device having a piercing body having an acute tip and a regulating bottom portion for regulating the piercing amount of the piercing body. A member, a vertical movement means for moving the holding member between the upper surface of the veneer and the surface of the surface layer, and a controller for controlling the operation of the vertical movement means. An uppermost position restricting portion and a lowermost position restricting portion are provided, and a guided portion guided to the guide portion on one puncture body and an upper limit restricted portion and a lower limit restricted by the both restricting portions to the uppermost position and the lowermost position. A restriction portion is provided, and the puncture body and the holding member are connected to each other so that the puncture body and the holding member can move up and down relative to each other in accordance with the guided portion and the vertical direction guide portion. With the position regulating part in contact, the piercing body A veneer lifting device (claim 1), characterized in that the sharp tip has a length sufficient to pierce a veneer and lift only one sheet, and is configured to project downward from the regulation bottom portion (claim 1). In a device for lifting a plate from the surface layer, a piercing body having an acute tip, a holding member for holding the piercing body in a state of protruding downward, and a holding member between the upper side of the veneer and the surface of the surface layer. A vertical movement means for moving the, and a controller for controlling the operation of the vertical movement means,
In the lower end portion of the holding member, a regulating bottom portion that regulates the piercing amount of the piercing body in the direction orthogonal to the veneer fiber, and at least one side in the fiber direction of the veneer from the location where the piercing body protrudes, upward. The veneer lifting device is characterized in that the veneer has a surface that is distant and that the sharp tip of the piercing body has a length sufficient to pierce the veneer and lift only one sheet, and projects downward from the regulation bottom portion. Item 2), and a device for lifting a deposited veneer from the surface layer, wherein a piercing body having an acute-angled tip, a holding member provided with the piercing body protruding downward, and a holding member of the veneer The vertical movement means for moving between the upper side and the surface of the surface layer, and a controller for controlling the operation of the vertical movement means, and from the boundary between the holding member and the piercing body, in the direction perpendicular to the veneer fiber. Providing a regulation bottom that regulates the piercing amount of the piercing body, The size of the holding member in the veneer fiber direction is smaller than the size of the boundary piercing body in the fiber direction, and the sharp tip of the piercing body is long enough to pierce the veneer and lift only one sheet. And a veneer lifting device (claim 3), characterized in that the veneer lifting device is configured to project downward from the regulation bottom part. Incidentally, the length sufficient to pierce the veneer and lift only one sheet is the length before and after the thickness of the veneer, and even if the length is shorter than the thickness, it is sufficient that the stabbed sheet is lifted, Further, the length is longer than the thickness,
Even if the second piece is stabbed to some extent, it does not have to lift the second piece.

[0006]

[Function] When the veneer is stabbed and lifted from above the deposited veneer, the root of the punctured veneer is used as a fulcrum.
The central part side of the veneer in the fiber direction hangs down, and the end part side warps upward. However, since no fulcrum is formed at a position away from the root of the piercing body in the direction of the veneer fiber, the force of pulling the veneer out of the piercing body by the principle of leverage does not act.

[0007]

The first embodiment, the second embodiment and the third embodiment are the embodiments according to the invention of claim 1, the fourth embodiment and the fifth embodiment are the embodiments according to the invention of claim 2, 6th Embodiment is Claim 3
It is an example according to the invention of. First, the first embodiment (claim 1)
(Embodiment of the invention) will be described with reference to FIGS. 3 is an overall view as seen from the direction orthogonal to the single plate fibers, FIG. 4 is a partial cross-sectional view of the holding member 9 and the connecting member 11 taken as seen from the direction orthogonal to the single plate fibers, and FIG. 6 is a partial cross-sectional view of the holding member 9 and the connecting member 11, and FIG. 6 is a partial cross-sectional view of the holding member 9 and the connecting member 11 cut when the single plate 5 is pierced by the piercing body 7. Holding member 9 and connecting member 1 when the veneer 5 pierced by the piercing body 7 is lifted
It is the partial cross section which cut | disconnected 1.

Reference numeral 4 is an elevating table for depositing single plates, and 5 is an elevating table 4.
The veneer is a single plate deposited on the substrate, and the fiber direction is the left-right direction in FIG. Reference numeral 6 is a machine body, 17 is a vertically moving cylinder which is vertical moving means, and is a cylinder having a piston rod provided with a rotation stopping mechanism. Reference numeral 19 denotes a moving base that is attached to the machine body 6 so as to be movable substantially horizontally, and a cylinder tube of a vertically moving cylinder 17 is attached to the moving base. Reference numeral 21 denotes a horizontally moving cylinder which is a horizontally moving means, and its cylinder tube is rotatably attached to the machine body 6 and the piston rod is rotatably attached to the moving base 19. Reference numeral 25 is a detector such as a photoelectric tube or a limit switch for detecting the presence or absence of a single plate, and 31 is a carry-out roll for carrying out the single plate 5 to the next process, which is rotatable (not shown).
Is attached to the machine body 6 and is connected to a motor (not shown). 39 is a beating roll for sandwiching the single plate 5 with the carry-out roll 31, and is rotatably supported by the arm 35. Although not shown, the arm 35 is provided so as to be rotatable by a beating cylinder 37 around a shaft 33 fixed to the machine body 6 as a rotation center.

Reference numeral 11 denotes a vertically moving cylinder 1 as shown in FIG.
A piercing body 7 which will be described later and is attached to the piston rod 7.
Is a connecting member having an uppermost position restricting portion 11a for restricting the uppermost position, and constitutes a part of a holding member 9 described later.
Reference numeral 7 is a piercing body having an acute tip 7e, and is guided parts 7c and 7d, an upper limit restricted part 7g and a lower limit restricted part 7.
It is composed of f. Reference numeral 9 is a holding member having a regulation bottom portion 9b that regulates the puncture amount of the piercing body 7, and is composed of vertical guide portions 9c and 9d and a lowermost position regulation portion 9e.
And the piercing body 7 and the holding member 9 are guided parts 7c and 7d.
In the state where the piercing body 7 and the holding member 9 are connected so as to be able to move up and down relatively in accordance with the vertical guide portions 9c and 9d, and the upper limit regulated portion 7g and the uppermost position regulated portion 11a are in contact with each other (see FIG. 6). The sharp tip 7e of the piercing body 7 has a length corresponding to approximately the thickness of the veneer 5 and projects downward from the regulation bottom portion 9b. Further, as shown in FIG. 5, screws 7a for preventing rotation of the piercing body 7 are screwed in from both sides of the piercing body 7 to adjust an appropriate interval. Further, a plurality of vertical moving cylinders 17 are arranged (not shown) in a direction orthogonal to the single plate fibers of the moving table 19, and a connecting member 11, a holding member 9 and a piercing body 7 are provided in each. Further, a controller (not shown) configured to control the operation of the vertically moving cylinder 17, the horizontally moving cylinder 21, and the beating cylinder 37 based on a detection signal of the presence or absence of a single plate of the detector 25, as will be described later. Has been done.

Next, the operation of the first embodiment constructed as above will be described. The initial state is as shown by the solid line in FIG.
The piston rods of the vertically moving cylinder 17 and the horizontally moving cylinder 21 are contracted, and the piston rod of the beating cylinder 37 is expanded. Further, since the height of the elevating table 4 on which the veneers 5 are deposited is controlled by an appropriate detecting device (not shown), the surface of the veneers 5 deposited is always kept at an appropriate position. . The piercing body 7 is above the left end of the veneer 5 in the fiber direction, and this position is set to the lifting standby position, and the lower limit regulating portion 7f and the lowest position regulating portion 9e are set by the weight of the piercing body 7 as shown in FIG. Are in contact. Then, the signal from the controller is passed through a delay device (not shown) such as a timer based on the detection signal depending on the presence or absence of the single plate of the detector 25,
The time required for extending or contracting the piston rods of the vertically moving cylinder 17, the horizontally moving cylinder 21, and the tapping cylinder 37 is set by a timer, and is output from the controller in accordance with each operation sequence.

In the initial state, the detector 25 sends a detection signal without a single plate to the controller. Then, when the piston rod of the vertically moving cylinder 17 is extended by a signal from the controller, the holding member 9 is lowered, and the sharp tip 7e of the piercing body 7 is formed.
Contact the veneer 5, but the piercing body 7 is pushed by the veneer 5 and moves upward in the holding member 9 along the vertical guide portions 9c and 9d, so that the upper limit regulated portion 7g of the piercing body 7 is The movement is restricted when it comes into contact with the uppermost position restricting portion 11a, and the holding member 9
When is lowered, the sharp tip 7e of the piercing body 7 sticks into the veneer 5, and the regulation bottom portion 9b of the holding member 9 contacts the surface of the veneer 5. After that, even if the holding member 9 is slightly lowered, the relative position between the holding member 9 and the single plate 5 does not change, and only one single plate 5 can be stabbed by the piercing body 7 (see FIG. 6).

After the extension of the piston rod of the vertically moving cylinder 17 is completed, a signal from the controller is sent to the vertically moving cylinder 1.
When the piston rod 7 is contracted, the holding member 9 rises, and the regulation bottom portion 9b of the holding member 9 separates from the surface of the single plate 5. Further, when the holding member 9 rises, the lower limit regulated portion 7f of the piercing body 7 comes into contact with the lowermost position regulating portion 9e of the holding member 9, and the piercing body 7 rises while piercing the veneer 5 (FIG. 7). refer. That is, the single plate 5 is in a state of being pierced by the piercing body 7 at a position apart from the regulation bottom portion 9b. At that time, veneer 5
7, the right side of FIG. 7 is the center in the fiber direction, so the right side hangs and the left side warps, but since the veneer 5 is pierced in the above state, the fulcrum is located at a position away from the root of the piercing body 7 in the veneer fiber direction. It does not occur, and the force for pulling out the single plate 5 from the piercing body 7 according to the lever principle does not act.

After the reduction of the piston rod of the vertically moving cylinder 17, the horizontally moving cylinder 2 is sent by a signal from the controller.
The piston rod of No. 1 is extended to move the moving table 19, the vertically moving cylinder 17, the piercing body 7, and the lifted veneer 5 to the insertion standby position (the position indicated by the chain double-dashed line in FIG. 3). Subsequently, the detector 25 sends a detection signal indicating that there is a single plate to the controller, and when the piston rod of the tapping cylinder 37 is contracted by the signal from the controller, the single roll 5 is lowered by lowering the tapping roll 39. Pulled out from the piercing body 7, and then the loading roll 3
It is sandwiched by 1 and the beating roll 39, and is carried out to the next step. Next, after the contraction of the piston rod of the tapping cylinder 37 is completed, the piston rod of the horizontal moving cylinder 21 is contracted by a signal from the controller to lift the moving table 19, the vertical moving cylinder 17, and the puncture body 7 to the standby position ( Return to the position indicated by the solid line in FIG. When the carrying out of the veneer 5 to the next step is completed, the detector 25 sends a detection signal indicating that there is no veneer to the controller. Then, with the signal from the controller,
The piston rod of the beating cylinder 37 is extended and returned to the initial state. By repeating the above, the veneer is sequentially lifted and carried out.

It should be noted that the veneer 7 is used to separate the single plate 5 for some reason.
If the operator fails to stab the needle, the detector 25 does not output a single-plate detection signal even if the movable table 19 and other parts are moved to the insertion standby position. At that time, a signal from the controller is returned to the initial state and the operation is repeated.

As described above, according to the first embodiment, the single plate 5
The center of the veneer in the fiber direction hangs down, while the end of the veneer hangs upward, with the root of the puncture body 7 piercing the lance as a fulcrum, but at a position away from the root of the puncture body 7 in the veneer fiber direction. A fulcrum is not generated, and the force for pulling the veneer 5 from the piercing body 7 according to the lever principle does not act. Therefore, the holding force of the veneer 7 on the veneer 5 is weakened, or the veneer 7 is hardly detached from the veneer 7.

A second embodiment (an embodiment according to the invention of claim 1) will be described with reference to FIG. FIG. 9 is a partial view when viewed from the direction orthogonal to the single plate fibers. Compared with the first embodiment, the members other than the member that is vertically moved by the vertically moving cylinder 17 have the same structure and operation, and the description thereof will be omitted. Reference numeral 29 is a piercing body having an acute tip 29d, and is formed with an elongated hole composed of a guided portion 29a, a lower limit regulated portion 29b, and an upper limit regulated portion 29c. 27 is a regulation bottom portion 27 that regulates the amount of puncture of the puncture body 29.
It is a holding member having a. Then, in order to connect the piercing body 29 and the holding member 27 so as to be relatively movable in the substantially vertical direction, the piercing body upper limit bolt 27c as the vertical guide portion and the uppermost position regulating portion, the vertical guide portion, and the lowermost portion. The piercing body lower limit bolt 27b serving as a position restricting portion passes through the slot of the piercing body 29 and reaches the holding member 27.
Is mounted so that it can move up and down. Further, in a state where the upper limit regulated portion 29c and the puncture body upper limit bolt 27c are in contact with each other, the sharp tip 29d of the puncture body 29 projects downward from the regulation bottom portion 27a by a length corresponding to substantially the thickness of the single plate 5. There is.

With such a structure, when the piston rod of the vertically moving cylinder 17 is extended by the signal from the controller as in the first embodiment, the holding member 27 is lowered and the piercing body 2
The sharp tip 29d of 9 abuts the veneer 5, but the piercing body 2
9 is pushed by the single plate 5 and moves upward along the piercing body upper limit bolt 27c and the piercing body lower limit bolt 27b, so that the upper limit regulating portion 29c below the elongated hole of the piercing body 29 is the piercing body upper limit bolt. When the holding member 27 descends, the sharp tip 29d of the piercing member 29 pierces the veneer 5 and the regulation bottom portion 27a of the holding member 27 contacts the surface of the veneer 5. After that, even if the holding member 27 is slightly lowered, the relative position between the holding member 27 and the single plate 5 does not change, and only one single plate 5 can be stabbed by the piercing body 29.

After the extension of the piston rod of the vertically moving cylinder 17, the signal from the controller is used in the same manner as in the first embodiment.
When the piston rod of the vertically moving cylinder 17 is contracted, the holding member 27 rises, and the regulation bottom portion 27a of the holding member 27 separates from the surface of the single plate 5. Further, the holding member 27
Is raised, the piercing body lower limit bolt 27b
Of the puncture body 29 by abutting against the lower limit restriction portion 29b of the upper part of the long hole of the
Rises with the veneer 5 stabbed. That is, the single plate 5 is in a state of being pierced by the piercing body 29 at a position away from the regulation bottom portion 27a. Further, since the right side of the veneer 5 in FIG. 9 is the center in the fiber direction, the right side hangs down and the left side warps, but since the veneer 5 is pierced in the above state, the veneer body 29 is pierced in the veneer fiber direction from the root. A fulcrum does not occur at a distant position, and the force for pulling the veneer 5 from the piercing body 29 according to the lever principle does not act.

As described above, according to the second embodiment, the single plate 5
The center of the veneer in the fiber direction hangs down, while the end of the veneer hangs upward, with the root of the puncture body 29 piercing as a fulcrum being a fulcrum, but at a position away from the root of the puncture body 29 in the veneer fiber direction. A fulcrum does not occur, and the force for pulling out the veneer 5 from the piercing body 29 according to the lever principle does not act. Therefore, the holding force of the single plate 5 by the piercing body 29 is weakened, or the single plate 5 is hardly pulled out from the piercing body 29.

A third embodiment (an embodiment according to the invention of claim 1) will be described with reference to FIGS. FIG. 18 shows the connecting member 51 and the holding member 53 when viewed from the direction orthogonal to the single plate fibers.
FIG. 19 is a partially enlarged view of FIG. Compared to the first embodiment, the vertically moving cylinder 17
The members other than the member that is moved up and down in the same manner have the same structure and operation, and thus the description thereof will be omitted. Reference numeral 51 denotes a convex uppermost position restricting portion 51a which is attached to a piston rod of the vertically moving cylinder 17 and which restricts the uppermost position of a piercing body 61 described later.
Is a connecting member having a part of a holding member 53 described later. Reference numeral 61 is a piercing body having an acute tip 61e, and is composed of guided portions 61c and 61d, a lower limit regulated portion 61b, and an upper limit regulated portion 61a. And
Reference numeral 53 is a holding member having a regulation bottom portion 53b that regulates the piercing amount of the piercing body 61, and also a vertical guide portion 53c,
53d and the lowermost position regulating portion 53e, and the piercing body 61 and the holding member 53 are guided portions 61c and 61d.
The state in which the piercing body 61 and the holding member 53 are connected so as to be vertically movable relative to each other and the vertical guide portions 53c and 53d, and the upper limit regulated portion 61a and the uppermost position regulated portion 51a are in contact with each other (in FIG. 19, (State indicated by the chain double-dashed line),
The sharp tip 61e of the piercing body 61 has a length corresponding to substantially the thickness of the single plate 5 and projects downward from the regulation bottom portion 53b.

In such a construction, when the piston rod of the vertically moving cylinder 17 is extended by a signal from the controller as in the first embodiment, the holding member 53 is lowered and the sharp tip 61e of the piercing body 61 is formed. Contact the veneer 5, but the puncture body 61 is pushed by the veneer 5 and moves upward in the holding member 53 along the vertical guide portions 53c and 53d.
The uppermost position restricting part 51 is substantially centered on the upper limit restricting part 61a.
The movement is restricted by contacting the convex portion of a (indicated by a chain double-dashed line in FIG. 19), and when the holding member 53 further descends, the sharp tip 61e of the piercing body 61 rotates and sticks into the single plate 5. The restricted bottom portion 53b of the holding member 53 contacts the surface of the single plate 5. After that, even if the holding member 53 is slightly lowered, the relative position between the holding member 53 and the veneer 5 does not change, and only one veneer 5 can be stabbed by the piercing body 61.

After the extension of the piston rod of the vertically moving cylinder 17, the signal from the controller is generated in the same manner as in the first embodiment.
When the piston rod of the vertically moving cylinder 17 is contracted, the holding member 53 rises, and the regulation bottom portion 53b of the holding member 53 separates from the surface of the single plate 5. Further, the holding member 53
Is raised, the lowermost position restricting portion 53e of the piercing body 61 prevents the lowermost position restricting portion 53e from rotating the piercing body 61 almost.
It abuts on the outer peripheral portion of 1b, and the piercing body 61 rises while piercing the veneer 5. That is, the single plate 5 is in a state of being pierced by the piercing body 61 at a position apart from the regulation bottom portion 53b. Also,
Since the right side of FIG. 18 is the center in the fiber direction of the veneer 5, the right side hangs down and the left side warps up. However, since the veneer 5 is pierced in the above state, it is separated from the root of the piercing body 61 in the veneer fiber direction. A fulcrum does not occur at the position, and the force for pulling the veneer 5 from the piercing body 61 according to the lever principle does not act.

As described above, according to the third embodiment, the single plate 5
The center of the veneer in the fiber direction hangs down while the root of the puncture body 61 piercing is hanging down, and the end side warps upward, but at a position away from the root of the puncture body 61 in the veneer fiber direction. A fulcrum does not occur, and the force for pulling out the veneer 5 from the piercing body 61 according to the lever principle does not act. Therefore, the holding force of the veneer 61 on the veneer 5 is weakened, or the veneer 61 hardly comes off from the veneer 61. Also,
Since the veneer 5 stabbed by the piercing body 61 is lifted while the piercing body 61 is hardly rotated, the holding force for the veneer 5 becomes stronger due to the spiral of the piercing body 61.

The first to third embodiments (claim 1)
The vertical guide portion, the uppermost position restricting portion, and the lowermost position restricting portion in the embodiment according to the invention) may be formed integrally with the holding member, or may be formed on another member and then the holding member. May be attached to.

A fourth embodiment (an embodiment according to the invention of claim 2) will be described with reference to FIGS. 10, 11, 12 and 13. FIG. 10 shows the holding member 15 when viewed from the direction orthogonal to the single plate fibers.
And a partial cross-sectional view of the connecting member 11, which is shown in FIG.
FIG. 12 is a partial cross-sectional view in which the holding member 15 and the connecting member 11 are cut, with 0 viewed from the BB, and FIG. FIG. 13 is a partial sectional view of the holding member 15 and the connecting member 11 when the veneer 5 pierced by the piercing body 13 is lifted. Compared with the first embodiment, the members other than the member that is vertically moved by the vertically moving cylinder 17 have the same structure and operation, and the description thereof will be omitted. Reference numeral 11 is a connecting member attached to the piston rod of the vertically moving cylinder 17, and 13 is a piercing body, which has a sharp tip 13b and a head 13c. Reference numeral 15 denotes a holding member, and a lower end portion has a restriction bottom portion 15b (see FIG. 11) that restricts the puncture amount of the puncture body 13 in a direction orthogonal to the veneer fiber, and a fiber direction of the veneer from a position where the puncture body 13 protrudes. Then, the surface 1 that goes away from above
5a (see FIG. 10), and further includes a piercing body rotation stopper 13a with a hexagon socket set screw for stopping the piercing body 13 from rotating. When the head 13c of the puncture body 13 is held by the holding member 15 and the connecting member 11, the sharp tip 13b of the puncture body 13 is below the length-regulating bottom portion 15b corresponding to substantially the thickness of the single plate 5. Is projected to.

With such a construction, when the piston rod of the vertically moving cylinder 17 is extended by the signal from the controller as in the first embodiment, the piercing body 13 is made of the single plate 5 as shown in FIG. Stick in. And the regulation bottom portion 15b is the single plate 5
However, the surface 15a that moves away does not contact the veneer 5.

After the extension of the piston rod of the vertically moving cylinder 17, the signal from the controller is used as in the first embodiment.
When the piston rod of the vertically moving cylinder 17 is contracted, the holding member 15 ascends and the piercing body 13 ascends with the single plate 5 pierced (see FIG. 13). At this time, since the right side of the veneer 5 in FIG. 13 is the center in the fiber direction, the right side hangs down and the left side rises in a warped state.
Since the distant surface 15a of the veneer is in the fiber direction of the veneer and is distant upward, the surface of the veneer 5 does not contact the distant surface 15a of the holding member 15. Therefore, since the veneer 5 is pierced in the above state, a fulcrum does not occur at a position away from the root of the puncture body 13 in the veneer fiber direction, and the force for pulling out the veneer 5 from the puncture body 13 by the lever principle is Does not work.

Although the connecting member 11, the holding member 15 and the piercing member 13 are separate members in the fourth embodiment, they may be integrally formed.

As described above, according to the fourth embodiment, the single plate 5
The center of the veneer in the fiber direction hangs down, while the end of the veneer hangs upward with the root of the puncture body 13 piercing as a fulcrum as a fulcrum, but at a position away from the root of the puncture body 13 in the veneer fiber direction. A fulcrum does not occur, and the force for pulling out the veneer 5 from the piercing body 13 according to the lever principle does not act. Therefore, the holding force of the veneer 13 on the veneer 5 is weakened, or the veneer 13 hardly comes off from the veneer 13.

A fifth embodiment (an embodiment according to the invention of claim 2) will be described with reference to FIGS. 14 and 15. FIG. 14 is a partial view as seen from the direction orthogonal to the single plate fiber, and FIG. 15 is CC of FIG.
It is a perspective view. Compared with the first embodiment, the members other than the member that is vertically moved by the vertically moving cylinder 17 have the same structure and operation, and the description thereof will be omitted. Reference numeral 41 is a needle-like piercing body, and has a sharp tip 41b on one side. 43
Is a holding member, and at the lower end thereof, a regulating bottom portion 43b (see FIG. 15) that regulates the piercing amount of the piercing body in the direction orthogonal to the veneer fiber, and above the protruding portion of the piercing body in the fiber direction of the veneer. Set surface 43a (see FIG. 14) that is further away from the base plate, and further a hexagon socket set screw 41 for holding the piercing body 41.
a. When the piercing body 41 is held by the holding member 43, the sharp tip 41b of the piercing body 41 is
It projects downward from the length regulation bottom portion 43b corresponding to almost the thickness of the single plate 5.

With such a construction, when the piston rod of the vertically moving cylinder 17 is extended by the signal from the controller as in the first embodiment, the piercing body 41 pierces the single veneer 5. The restriction bottom portion 43b contacts the surface of the veneer 5, but the away surface 43a does not contact the veneer 5.

After the extension of the piston rod of the vertically moving cylinder 17, the signal from the controller is used in the same manner as in the first embodiment.
When the piston rod of the vertically moving cylinder 17 is contracted, the holding member 43 ascends and the piercing body 41 ascends with the single plate 5 pierced (see FIG. 14). At this time, the right side of FIG. 14 of the veneer 5 is the center in the fiber direction, so the right side hangs up and the left side rises in a warped state.
Since the distant surface 43a of the veneer is in the fiber direction of the veneer and is distant upward, the surface of the veneer 5 does not contact the distant surface 43a of the holding member 43. Therefore, since the veneer 5 is pierced in the above state, a fulcrum does not occur at a position away from the root of the puncture body 41 in the veneer fiber direction, and the force for pulling out the veneer 5 from the puncture body 41 based on the lever principle is Does not work.

Although the holding member 43 and the piercing body 41 are separate bodies in the fifth embodiment, they may be integrally formed.

As described above, according to the fifth embodiment, the single plate 5
The center of the veneer in the fiber direction hangs down, while the end of the veneer hangs upward, with the root of the puncture body 41 stabbed as a fulcrum, but at a position away from the root of the puncture body 41 in the veneer fiber direction. A fulcrum does not occur, and the force for pulling out the veneer 5 from the piercing body 41 by the lever principle does not act. Therefore, the holding force of the single plate 5 by the piercing body 41 is weakened, or the single plate 5 does not easily come off from the piercing body 41.

A sixth embodiment (an embodiment according to the invention of claim 3) will be described with reference to FIGS. 16 is a partial view seen from the direction orthogonal to the single plate fiber, and FIG. 17 is a DD of FIG.
It is a perspective view. Compared with the first embodiment, the members other than the member that is vertically moved by the vertically moving cylinder 17 have the same structure and operation, and the description thereof will be omitted. Reference numeral 11 is a connecting member attached to the piston rod of the vertically moving cylinder 17, 16 is a piercing body, and has a sharp tip 16a.
Reference numeral 14 denotes a holding member provided with the puncture body 16 protruding downward, and from the boundary between the holding member 14 and the puncture body 16,
A regulation bottom portion 14a (see FIG. 17) that regulates the piercing amount of the piercing body 16 in the direction orthogonal to the single plate fibers is provided, and the size of the holding member 14 in the single plate fiber direction is set to the size of the piercing body 16 in the fiber direction at the boundary. And the sharp tip 1 of the piercing body 16
6a is a length regulating bottom portion 14 corresponding to almost the thickness of the single plate 5.
protruding below a

With such a construction, when the piston rod of the vertically moving cylinder 17 is extended by a signal from the controller as in the first embodiment, the piercing body 16 pierces the single plate 5 individually. The restriction bottom portion 14a contacts the surface of the veneer 5, but the other parts do not contact the veneer 5.

After the extension of the piston rod of the vertically moving cylinder 17, the signal from the controller is generated as in the first embodiment.
When the piston rod of the vertically moving cylinder 17 is contracted, the holding member 14 rises and the piercing body 16 ascends with the single plate 5 pierced (see FIG. 16). At this time, the right side of FIG. 16 of the veneer 5 is the center in the fiber direction, so the right side hangs down and the left side rises in a warped state.
Since the size of the veneer in the veneer fiber direction is less than or equal to the size in the fiber direction of the puncture body 16 at the boundary, the veneer 5 abuts on the position away from the root of the puncture body 16 in the veneer fiber direction. There are no members. Therefore, since the veneer 5 is pierced in the above state, a fulcrum does not occur at a position distant from the root of the piercing body 16 in the veneer fiber direction, and the piercing body 16 to the veneer 5 according to the lever principle.
The power to pull out does not work.

Although the holding member 14 and the piercing body 16 are integrated in the sixth embodiment, they may be formed separately.

As described above, according to the sixth embodiment, the single plate 5
The center of the veneer in the fiber direction hangs down and the end of the veneer hangs upward, with the root of the puncture body 16 piercing with a fulcrum as a fulcrum, but at a position away from the root of the puncture body 16 in the veneer fiber direction. A fulcrum does not occur, and the force for pulling out the veneer 5 from the piercing body 16 according to the lever principle does not act. Therefore, the holding force of the veneer 16 on the veneer 5 is weakened, or the veneer 16 is hardly detached from the veneer 16.

The vertical moving means in the first to sixth embodiments may be an air cylinder, a hydraulic cylinder, a crank or the like.

The piercing bodies in the first to sixth embodiments may be needle-shaped, nail-shaped or plate-shaped.

In the first to sixth embodiments, a signal is output from the controller on the basis of the detection signal of the detector, but instead of the detection signal, a signal from the next step is used. A signal may be output from the controller.

Although the piercing body moves vertically and horizontally in the first to sixth embodiments, the following may be adopted. That is, as shown in FIG.
5 and a vacuum suction member 23 are provided. Then, the puncture body 7 is operated only up and down, and as the puncture body 7 rises, the sticking veneer 5 is sucked by the suction member 23. When the piercing body 7 further rises, the single plate 5 comes out of the piercing body 7 and is sucked only by the suction member 23. At the same time, a detection signal indicating that the detector 25 has a single plate is sent to the controller. Then, the suction plate 23 may be horizontally moved (in the direction of arrow G) by an appropriate horizontal movement unit in response to a signal from the controller, and the single plate 5 may be carried out to the next step.

The vertical moving cylinder, which is the vertical moving means, may be directly connected to the holding member or may be connected via another member.

[0045]

According to the present invention, the center of the veneer in the fiber direction hangs down while the end of the veneer hangs upward with the root of the piercing body piercing the veneer as a fulcrum. A fulcrum does not occur at a position distant from the root in the direction of the veneer fiber, and the force for pulling out the veneer from the piercing body by the lever principle does not act. Therefore, the holding force of the veneer by the piercing body is weakened, or the veneer does not fall out of the piercing body.

[Brief description of drawings]

FIG. 1 is an explanatory view of a conventional device viewed from a direction orthogonal to a single plate fiber.

FIG. 2 is a partial view seen from a direction orthogonal to a single plate fiber when a single plate pierced by a conventional device is lifted.

FIG. 3 is an overall view of the first embodiment.

FIG. 4 is a partial cross-sectional view in which a main part of FIG. 3 is enlarged and a holding member 9 and a connecting member 11 are cut.

5 is a partial cross-sectional view of the holding member 9 and the connecting member 11 taken along line AA of FIG.

FIG. 6 is an operation explanatory view of the first embodiment.

FIG. 7 is an operation explanatory view of the first embodiment.

FIG. 8 is an explanatory view of a modification of the horizontal moving means of the first to sixth embodiments.

FIG. 9 is an explanatory view of the second embodiment as seen from the direction orthogonal to the single plate fibers.

FIG. 10 is a partial cross-sectional view of the holding member 15 and the connecting member 11 taken along a fourth embodiment of the present invention as viewed from the direction perpendicular to the single plate fibers.

11 is a partial cross-sectional view of the holding member 15 and the connecting member 11 taken along the line BB of FIG.

FIG. 12 is an operation explanatory view of the fourth embodiment.

FIG. 13 is an operation explanatory view of the fourth embodiment.

FIG. 14 is an explanatory view of the fifth embodiment as seen from the direction orthogonal to the single plate fibers.

FIG. 15 is a CC view of FIG.

FIG. 16 is an explanatory view of the sixth embodiment as viewed from the direction orthogonal to the single plate fibers.

17 is a DD view of FIG. 16. FIG.

FIG. 18 is a partial cross-sectional view of the holding member 53 and the connecting member 51 taken along the third embodiment as seen from the direction perpendicular to the single plate fibers.

FIG. 19 is a partially enlarged view of FIG. 18.

[Explanation of symbols]

5 ... Single plate 7, 13, 16, 29, 41, 61 ... Plunge body 9, 14, 15, 27 , 43, 53 ... Holding member 17 ... Vertical moving cylinder 21 ... ..... Horizontal moving cylinder

Claims (3)

(57) [Claims] 1. A device for lifting a stacked veneer veneer from a surface layer, wherein a piercing body having an acute-angled tip, a holding member having a regulating bottom portion for regulating the piercing amount of the piercing body, and the holding member are made of veneer veneer. It is composed of a vertical movement means for moving between the upper side of the plate and the surface of the surface layer, and a controller for controlling the operation of the vertical movement means. A position regulating portion is provided, and a guided portion guided by the guide portion and an upper limit regulating portion and a lower limit regulating portion whose uppermost position and lowermost position are regulated by the both regulating portions are provided on the piercing body. The piercing body and the holding member are connected so that the piercing body and the holding member can move up and down relatively in accordance with the guided portion and the vertical guide portion, and the upper limit regulating portion and the uppermost position regulating portion abut. The sharp tip of the piercing body Veneer sticks with length lifting only one, restricting bottom veneer lifting device being characterized in that a configuration which projects downwardly from. 2. A device for lifting a stacked veneer veneer from a surface layer, wherein a piercing body having an acute tip, a holding member for holding the piercing body in a downwardly protruding state, and a holding member for veneer veneer. The vertical movement means for moving between the upper side of the plate and the surface of the surface layer, and a controller for controlling the operation of the vertical movement means, the lower end of the holding member, in the veneer veneer fiber orthogonal direction At least one side in the fiber direction of the veneer veneer from the position where the puncture body protrudes, and the regulation bottom part that regulates the puncture amount of the puncture body, have a surface that goes away upward, and the sharp tip of the puncture body has a veneer veneer. A veneer veneer lifting device, characterized in that the veneer veneer lifting device has a length for piercing a sheet and lifting only one sheet, and is configured to project downward from the regulation bottom portion. 3. Lifting the deposited veneer veneer from the surface layer
Sharp tip16aPiercing body with16
And the piercing body16Holding part with the protrusion protruding downward
Material14And the holding member14Above the veneer veneer and the surface layer
Up and down moving means for moving between the plane and the up and down moving means
A controller for controlling the operation of the
14And piercing body16Veneer veneer fiber orthogonal direction from the boundary with
Piercing body16Regulation bottom that regulates the amount of piercing14aSet up
And holding member14 control bottom 14aVeneer veneer fiber
The size of the weaving direction, the piercing body of the border16Size in the fiber direction
Formed below, and also pierced body16Sharp tip of16a
Is the length to pierce a veneer veneer and lift only one piece,
Bottom of regulation14aThe structure that protrudes further downward
Veneer veneer lifting device characterized by.