JP2009102103A - Lumber conveying device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lumber conveying device having a simplified structure and capable of reducing the manufacturing cost and the maintenance cost. <P>SOLUTION: The lumber conveying device has a holding means 8 for individually holding at least two portions separated from each other in the longitudinal direction of a lumber 2. The holding means 8 has a pair of bar-like holding members 13, 13 which are arranged at a spacing capable of inserting the lumber 2 from the direction orthogonal to its longitudinal direction and parallel to each other. The pair of holding members 13, 13 are integrally turned around the axis Y parallel to the holding members 13, 13. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a wood conveying apparatus that holds and conveys wood, particularly long wood.

  As shown in FIG. 7, in order to efficiently dry the plate 1 obtained by sawing wood, the plate 1 is stacked through the pier 2 to form a gap between the plates 1 and 1 to improve ventilation. It is generally done. Since this loading work is very time-consuming, in recent years, a loading apparatus has been developed that automatically loads.

For example, the stacking device shown in Patent Document 1 includes a transport device that holds a crosspiece and places it on a plate material. A chuck device as shown in FIG. 8 is employed as the crosspiece holding means of this conveying device (see FIG. 10 of Patent Document 1). The chuck device includes a pair of holding members 100 and 100 for holding a crosspiece, and these holding members 100 and 100 are configured to be swingable and openable in conjunction with a cylinder 200 provided in the apparatus main body. As shown in FIG. 9, as a chuck device for holding wood, a pair of holding members 300, 300 are configured to be a parallel open / close type configured so as to approach and separate from each other in parallel with the cylinder 400. There is something.
JP-A-9-255140

  Since the swing opening / closing chuck device and the parallel opening / closing chuck device are configured such that the pair of holding members approach and separate from each other, the mounting structure of the holding member to the device main body is complicated. ing. For this reason, the holding member is not structured to be easily removed from the apparatus main body. Therefore, when the holding member is damaged, the holding member must be replaced with the chuck device, which has a disadvantage of high cost.

  Therefore, in view of such circumstances, the present invention intends to provide a wood conveying device that can simplify the structure and can realize reduction of manufacturing cost and maintenance cost.

  The invention of claim 1 includes holding means for individually holding at least two parts separated in the longitudinal direction of the wood, and the holding means is arranged at an interval at which the wood can be inserted from a direction perpendicular to the longitudinal direction. And a pair of rod-shaped holding members that are parallel to each other, and the pair of holding members are configured to be integrally rotatable around an axis parallel to each holding member.

  When holding wood, a pair of holding members are arranged so as to straddle a direction (width direction) perpendicular to the longitudinal direction of the wood. And a pair of holding member is integrally rotated centering | focusing on the said axis line, and is press-contacted to the side surface of wood. The wood is held by the holding pressure of the holding member. Further, when the holding member is rotated counterclockwise to return to the initial position, the holding of the wood is released.

  According to a second aspect of the present invention, in the wood conveying apparatus according to the first aspect, the holding means is a moving support that reciprocates between a holding position for holding the wood and a placement position for placing the wood. It is provided.

  The holding means can be applied to an apparatus for transporting and loading wood.

  According to a third aspect of the present invention, in the wood conveying device according to the second aspect, a rotating member is rotatably attached to the movable support, and the pair of holding members are detachably attached to the rotating member. It is a thing.

  In the case of holding wood, the movable support is moved and the pair of holding members are arranged so as to straddle a direction (width direction) perpendicular to the longitudinal direction of the wood. And a rotation member is rotated and a pair of holding member is press-contacted to the side surface of a timber, and is hold | maintained. Further, when the rotation member is rotated in the direction opposite to the rotation direction and the holding member is returned to the initial position, the holding of the wood is released.

  Further, since the holding member is detachably attached to the rotating member, even if the holding member is damaged, the damaged holding member can be easily detached from the rotating member and a new holding member can be attached.

  According to a fourth aspect of the present invention, in the wood conveying device according to any one of the first to third aspects, the surface of the holding member is formed rough.

  By forming the surface of the holding member rough, friction between the holding wood and the wood to be held can be increased, and the wood can be reliably held.

  According to a fifth aspect of the present invention, in the wood conveying apparatus according to any one of the first to third aspects, the holding member is configured by a bolt having a screw portion formed on an outer peripheral surface, and the rotating member A hole in which the bolt can be mounted is formed.

  Thereby, a volt | bolt can be easily mounted | worn with a rotation member. In addition, since a general-purpose bolt is used as the holding member, manufacturing costs and maintenance costs can be reduced. Moreover, when holding | maintaining a timber, a timber can be reliably hold | maintained by making the screw part formed in the outer peripheral surface of a volt | bolt bite into a timber.

  According to a sixth aspect of the present invention, in the timber transporting apparatus according to the second aspect, the holding means is configured to hold at least two portions of the timbers arranged in parallel with each other and spaced apart from each other in the longitudinal direction. A plurality of movable supports are provided.

  Thereby, several timber can be conveyed at once.

  According to the wood conveying apparatus of the present invention, since the pair of holding members are not configured to approach and separate from each other, the structure for attaching the holding members to the apparatus main body can be simplified. Thereby, reduction of the manufacturing cost, maintenance cost, etc. of a timber conveyance apparatus can be aimed at.

  FIG. 1 is an overall configuration diagram of a piling apparatus provided with a wood conveying device of the present invention. Hereinafter, with reference to FIG. 1, the main part of this stacking apparatus will be described. The loading apparatus includes a mounting table 3 provided with an elevating mechanism, a supply conveyor 4 that supplies a frame 2 from a not-shown frame stock unit, and a wood transporter that holds the frame 2 on the supply conveyor 4 and conveys it to the mounting table 3. And a device 5.

  The wood conveying device 5 includes a guide rail 6 attached horizontally to the ceiling of a building, a moving support 7 that travels along the guide rail 6, and a plurality of holding means 8 provided on the moving support 7. Prepare. The movable support 7 includes an upper support 9 attached to the guide rail 6 so as to be able to travel, and a lower support 10 suspended from the upper support 9 so as to be movable up and down. The holding means 8 is attached to the lower support 10.

  FIG. 2 is an arrow view of the wood conveying device 5 of FIG. 1 viewed from the direction of the arrow X. As shown in FIG. 2, in this embodiment, nine holding means 8 (81 to 89) are attached to the side surface of the lower support 10 at regular intervals. Similarly, nine holding means 8 are attached to the side surface opposite to the side surface of the lower support 10. That is, a pair of holding means 8, 8 is arranged corresponding to the longitudinal direction of the pier 2 and nine pairs of holding means 8, 8 forming this pair are provided in total.

  The supply conveyor 4 is composed of, for example, a chain conveyor. Two supply conveyors 4 are arranged in parallel with each other at a predetermined interval, and are configured to convey while supporting the vicinity of both ends of the pier 2 by the pair of supply conveyors 4 ( (See FIG. 1).

  In FIG. 2, a member denoted by reference numeral 11 is a stopper that stops the crosspiece 2 conveyed by the supply conveyor 4 at a predetermined position. A total of nine pairs (111 to 119) of the stoppers 11 are arranged corresponding to the nine pairs of holding means 8.

  As shown in FIG. 3, two stoppers 11 are attached to the (9) rotating shafts 12 attached horizontally. Along with the rotation of the rotating shaft 12, the tip of the stopper 11 is configured to appear and disappear from the conveying surface (upper surface) 4a of the supply conveyor 4.

  Each holding means 8 has a pair of rod-like holding members 13, 13 arranged in parallel to each other and at intervals that can be inserted from a direction perpendicular to the longitudinal direction of the pier 2. That is, as shown in FIG. 3, the distance D between the pair of holding members 13, 13 that are parallel to each other is set to be larger than the width W of the pier 2. The pair of holding members 13 and 13 are detachably attached to a rotating member 14 that is rotatably provided.

  In this embodiment, a bolt is applied as the rod-shaped holding member 13. Specifically, a bolt as the holding member 13 is inserted into the holes 15 formed at both ends of the rotating member 14. The hole 15 is formed with a stepped portion that engages the head portion of the bolt in order to prevent the bolt from dropping. Then, the bolt is fixed to the rotating member 14 by fastening the nut 16 to the bolt inserted through the hole 15.

  The rotating member 14 is fixed to the lower end of the support shaft 17, and the support shaft 17 is vertically suspended from a mounting plate 21 provided on the lower support 10. Thereby, the rotation member 14 is configured to rotate about the axis Y of the support shaft 17. Further, the pair of holding members 13 and 13 are disposed symmetrically with respect to the axis Y (extension line) of the support shaft 17. As the turning member 14 is turned, the holding members 13 and 13 are also turned integrally around the axis Y.

  A driving means 18 for rotating the support shaft 17 is disposed on the lower support 10. Hereinafter, the driving means 18 will be described with reference to FIG. FIG. 4 is a plan view of FIG. 3 viewed from above.

  As shown in FIG. 4, the driving means 18 has an air cylinder 19. However, the present invention is not limited to an air cylinder, and a hydraulic cylinder and other extendable actuators are also applicable. The air cylinder 19 and the support shaft 17 provided with the rotating member 14 are connected via an L-shaped connecting member 20. One end of the connecting member 20 is fixed to the support shaft 17, and the other end of the connecting member 20 is pivotally attached to the air cylinder 19. Further, the end of the air cylinder 19 opposite to the end connected to the connecting member 20 is pivotally attached to an attachment piece 22 provided on the lower support 10. As shown in FIG. 5, the rotation member 14 is configured to rotate about the axis Y of the support shaft 17 as the air cylinder 19 expands and contracts.

Hereinafter, the operation of the above-described stacking apparatus will be described.
As shown in FIG. 2, the lower support 10 is lowered and each holding means 8 (81 to 89) is placed on standby at a predetermined position above the supply conveyor 4. The supply conveyor 4 is driven, and the crosspiece 2 is conveyed from right to left in FIG. When the pier 2 to be conveyed first approaches the vicinity of the first holding means 8 (81) from the downstream side in the conveying direction, the stopper 11 (111) below the holding means 8 (81) is connected to the supply conveyor 4 The pier 2 is put in a stopped state by protruding upward from the transfer surface. Next, when the pier 2 transported second approaches the second holding means 8 (82) from the downstream side in the transport direction, the stopper 11 (112) below the transport means 8 (82) is supplied. It protrudes upward from the conveying surface of the conveyor 4 and puts the pier 2 in a stopped state. Similarly, the stoppers 11 sequentially project from the downstream side to the upstream side, and the piers 2 are respectively brought into a stopped state below the corresponding holding means 8.

  With the pier 2 stopped by all the stoppers 11 (111 to 119), the lower support 10 is further lowered so that the pair of holding members 13 and 13 of each holding means 8 straddle the pier 2 To do.

  FIG. 6A is a plan view of the pair of holding means 8, 8 arranged corresponding to one pier 2 as viewed from above. In FIG. 6A, the rotation member 14 of each holding means 8 is arranged in a direction orthogonal to the crosspiece 2, and the pair of holding members 13 and 13 are arranged so as to straddle the crosspiece 2 in the width direction. ing. In this state, the pier 2 is not yet held by the pair of holding members 13 and 13. Hereinafter, the state of the holding means 8 shown in FIG.

  And as shown in FIG.6 (b), the rotation member 14 is rotated centering on the rotating shaft (axis Y of the spindle 17), and it is set as the holding | maintenance state. Specifically, in FIG. 6B, the upper rotating member 14 is rotated clockwise and the lower rotating member 14 is rotated counterclockwise, so that a pair of holding members provided on each rotating member 14 is provided. The members 13 and 13 are pressed against the side surface of the pier 2. The pier 2 is held by the holding pressure of the holding members 13 and 13.

  As described above, in this embodiment, since the bolt is used as the holding member 13, when the pier 2 is held, the screw portion of the bolt bites into the surface of the pier 2. Thereby, the crosspiece 2 can be hold | maintained reliably and it is possible to prevent the fall during conveyance.

  The rotation angle θ between the holding release state and the holding state of the rotating member 14 is set to 60 ° at the maximum, for example. However, the rotation angle θ is not limited to 60 °, and may be set as appropriate according to the width of the holding pier.

  Further, the rotating directions of the rotating members 14 and 14 may be rotated in the same direction as shown in FIG. 6C, not in the clockwise and counterclockwise directions described above. Further, as shown in FIG. 6D, the rotation axis (Y) of the rotation member 14 may be arranged coaxially with the axis of the one holding member 13.

  It should be noted that it is sufficient that at least two holding means 8 can hold a portion separated in the longitudinal direction of one pier 2. That is, one pier 2 may be held by three or more holding means 8.

  While holding the nine piers 2 by the holding means 8, the lower support 10 is raised and the upper support 9 is moved along the guide rails 6 to convey the piers 2 above the mounting table 3. (See FIG. 1). On the mounting table 3, a plurality of plate materials 1 (sawmill) are arranged adjacent to each other by a conveying device (not shown).

  The lower support 10 is lowered, and the nine piers 2 to be held are brought close to or in contact with the upper surface of the plate 1. Then, the rotating member 14 is rotated from the holding state to the holding release state to release the clamping state of the crosspiece 2 by the holding members 13 and 13, and the crosspiece 2 is placed on the plate 1.

  Thereafter, similarly, the plate material 1 and the crosspiece 2 are alternately mounted on the mounting table 3 and loaded to a predetermined height. Thus, the board | plate material 1 loaded through the crosspiece 2 is conveyed by a forklift etc. to a drying place or a drying furnace, and is dried.

  As described above, since the holding member 13 is configured to be detachable with respect to the rotating member 14, even if the holding member 13 is damaged, the holding member 13 that has been damaged is removed from the rotating member 14. It can be easily removed from and a new holding member 13 can be attached.

  Although one embodiment of the present invention has been described above, the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the present invention. . In the above-described embodiment, the embodiment in which the wood conveying device of the present invention is applied to the berthing device has been described as an example. Is possible. Further, a rod-shaped member other than a bolt may be employed as the holding member 13. In that case, it is possible to increase the frictional resistance by, for example, roughly shaping the surface of the holding member 13 to improve the holding force of the wood.

BRIEF DESCRIPTION OF THE DRAWINGS It is a whole block diagram which shows one Embodiment of the stacking apparatus to which the timber conveying apparatus of this invention is applied. It is a side view which shows the principal part of the said timber conveying apparatus. FIG. 3 is an enlarged view of FIG. 2. FIG. 4 is a plan view of FIG. 3. It is a top view which shows a mode that the rotation member of the said wood conveying apparatus rotates. It is a figure which shows operation | movement of the said rotation member, Comprising: (a) is a top view which shows a holding release state, (b) is a top view which shows a holding state, (c) is a top view which shows another holding state, d) is a plan view showing still another holding state. It is a perspective view which shows the state which loaded the board | plate material and the crosspiece alternately. It is a simplified diagram showing an example of conventional wood holding means. It is a simplified view showing another example of conventional wood holding means.

Explanation of symbols

1 board 2 pier (wood)
DESCRIPTION OF SYMBOLS 5 Wood conveying apparatus 7 Moving support body 8 Holding means 13 Holding member 14 Rotating member 15 Hole Y axis

Claims (6)

  And holding means for individually holding at least two parts spaced apart in the longitudinal direction of the wood, the holding means being arranged at intervals that allow the wood to be inserted from a direction perpendicular to the longitudinal direction and parallel to each other. A wood conveying apparatus comprising: a pair of rod-shaped holding members formed, wherein the pair of holding members are configured to be integrally rotatable about an axis parallel to each holding member.   The wood conveying apparatus according to claim 1, wherein the holding means is provided on a moving support that reciprocates between a holding position for holding wood and a placement position for placing the wood.   The wood conveying device according to claim 2, wherein a rotating member is attached to the movable support so as to be rotatable, and the pair of holding members are attached to the rotating member so as to be detachable.   The wood conveying device according to any one of claims 1 to 3, wherein a surface of the holding member is formed to be rough.   The wood according to any one of claims 1 to 3, wherein the holding member is constituted by a bolt having a screw part formed on an outer peripheral surface, and a hole part into which the bolt can be attached is formed in the rotating member. Conveying device.   The wood conveying device according to claim 2, wherein a plurality of the holding means are provided on the movable support so as to individually hold at least two portions of the wood arranged in parallel with each other and spaced apart in the longitudinal direction.

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