JP2988861B2 - Conveyor-raising machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport raising machine, and more particularly to a transport raising machine for raising and transporting wood.

[0002]

2. Description of the Related Art In a width slicing machine, a plurality of flat plates coated with an adhesive are pressed together and bonded to form a prism, or a plurality of prism-shaped woods are pressed together to form a flat plate. It is a device to stick together. A supply conveyor for transporting a plurality of woods is provided near the width splitting machine, and the wood to which the adhesive is applied is sent on the supply conveyor. The wood is raised 90 degrees and placed on a wood mounting portion of a width splitter, and the coated surface on which the adhesive is applied is overlapped with the already installed wood. This operation is repeated, and a plurality of timbers are set on the timber mounting portion.

[0003]

However, it is difficult to mechanize the work of sequentially raising and installing a plurality of pieces of wood on the wood mounting part, and at present it is basically necessary to rely on human power. SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has as its object to provide a transport raising machine that can reliably install a plurality of wood pieces on a wood mounting portion.

[0004]

According to a first aspect of the present invention, there is provided a rotary member, a cam disposed on a side of the rotary member, and a circle formed on the cam and centered on a rotation axis of the rotary member. A concentric arc portion having a contour formed by a part of the outer periphery, formed continuously with the concentric arc portion, having a center different from the rotation axis,
Moreover, an eccentric arc portion having a contour formed by a part of the outer periphery of a circle having a larger diameter than the circle constituting the contour of the concentric arc portion,
The cam is formed continuously with the concentric arc portion and the eccentric arc portion, and the distance from the contour to the rotation axis is from the contour of the concentric arc portion and the contour of the eccentric arc portion to the rotation axis. A connecting portion that is smaller than the distance, a transporter that is rotatably provided on the rotating body, and that includes a rotating support that rolls on an arc portion of the cam when the rotating body rotates, and that the rotating support is A first mounting table on which a workpiece pushed and transported by the transport body is placed at a position where the workpiece rolls on the concentric arc portion, and a workpiece is loaded at a position where the rotary support rolls over the eccentric arc portion of the cam. A second installation table, wherein the carrier is set at a center of gravity that rotates in a direction opposite to the rotation direction of the rotating body when the rotating support comes off the eccentric arc portion of the cam. Transport laying machine characterized by A.

According to a second aspect of the present invention, in the first aspect, the posture of the carrier is horizontal at a position where the carrier pushes the workpiece placed on the first installation table, and the workpiece conveyed by the carrier is moved. , Which are set so as to be vertical at a position where they are placed on the second installation table.

[0006] The invention of claim 3 is claim 1 or claim 2.
In the above, the moving contact abuts on the back surface of the work placed first on the second installation table, is pushed by the work placed on the second installation table, and moves with the work while resisting the pressing force of the work. The member is pushed up by the workpiece conveyed by the carrier, the workpiece is placed on the second installation table, and when the pressing by the workpiece is released, the second
A transfer abutting member which abuts on a front surface of a work placed most recently on the mounting table and includes a swinging abutting member for holding the work mounted on the second mounting table together with the moving abutting member. It is.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A transport raising machine 1 according to an embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the transport raising machine 1 is mounted on a wood supply device 2. The timber supply device 2 includes a timber mounting unit 1 of a width-hagging machine.
This is a device that supplies wood M as a work to the work 05. Hereinafter, the wood supply device 2 will be described sequentially. The structure of the standby conveyor 3 will be described. A plurality of roller units 7 are arranged on the base 5 at intervals. The roller unit 7 includes a plurality of rollers 11 that are driven to rotate.
Is provided with a stopper 13. Roller unit 7
Between them, a chain conveyor 9 is provided.

[0008] The structure of the chain conveyor 9 as the first installation table will be described. A pair of sprockets 17 are rotatably provided at both ends of the column member 15, and a transport chain 19 is stretched over the pair of sprockets 17. The shaft 21 is inserted and fixed to the sprocket 17 on the front side of the column member 15. The shaft 21 is driven to rotate by a motor (not shown). The chain conveyor 9 can be moved up and down by a lifting device (not shown).

The structure of the transport raising machine 1 will be described.
A base 27 is fixed to the front end of the frame body 25, and a plurality of pillow blocks 28 are attached to the base 27 at intervals as shown in detail in FIG.
A transport shaft 29 is inserted through the plurality of pillow blocks 28, and the transport shaft 29 is rotatably mounted. A rotating plate 43 as four rotating bodies is fixed to the transport shaft 29 at intervals, and the rotating plate 43 is formed in a disk shape.
The end of the chain conveyor 9 is located near the rotating plate 43. As shown in detail in FIG. 4, a transport plate 45 as a substantially triangular transport body is supported by pins 47 on the rotating plate 43, and the transport plate 45 can swing about the pins 47 as a fulcrum. it can. A roller 49 as a rotating support is rotatably attached to one end of the transport plate 45.

Reference numeral 51 denotes a cam. The cam 51 is fixed to the base 27 and is arranged at a position overlapping the rotating plate 43. The transport shaft 29 is rotatably inserted into the cam 51. The rotating shaft S of the rotating plate 43, that is, the transport shaft 2
A concentric arc portion 53 having a contour formed by a part of the outer circumference of a circle having the same center as the axis of No. 9 is formed. As shown in detail in FIG. 4, the spread angle θ of the concentric arc portion 53 about the rotation axis S of the rotation plate 43 is set to approximately 150 °. Further, the circular arc portion on the outer peripheral surface of the cam 51 is connected to the concentric circular arc portion 53,
And an eccentric arc portion 55 having an outline composed of a part of a circle having a different center. The diameter of the circle that defines the contour of the eccentric arc portion 55 by a part of the outer periphery is larger than the diameter of the circle that defines the contour of the concentric arc portion 53 by a portion of the outer periphery. As shown in detail in FIG.
Spread angle α about the rotation axis S of the rotation plate 43
Is set to approximately 30 °. A connecting portion 56 is formed continuously from the concentric arc portion 53 and the eccentric arc portion 55,
1 is formed substantially in a sector shape. The divergence angle γ of the connecting portion 56 about the rotation axis S of the rotation plate 43 is substantially 1
It is set to 80 °. The distance from the contour of the connecting portion 56 to the rotation axis S is the concentric arc portion 53 and the eccentric arc portion 5.
The distance from the contour of No. 5 to the rotation axis S is set to be smaller.

A carrier motor 35 is mounted on the base 27, and the driving force of the carrier motor 35 is transmitted to the carrier shaft 29 via a sprocket, a chain or the like.
The transport shaft 29 rotates clockwise in FIG. A roller guide 57 is attached to the base 27, and a guide arc portion 58 is formed on the roller guide 57. A plurality of installation bases 31 are attached to the base 27, and the installation base 31 is provided with an installation plate 33 as a second installation base. Installation plate 33
Is slightly bent obliquely downward. The tip of the installation plate 33 is located immediately above the rotating plate 43,
In addition, it is provided at a position corresponding to the axis of the transport shaft 29.

The structure of the lift device 59 will be described.
The lift device 59 is provided with a lift frame 63, and the four lift frames 63 are arranged at intervals. A contact stopper 65 is attached to the rear end of the lift frame 63. Lift frame 63
Constitutes a second installation table together with the installation plate 33. The lift frame 63 is supported by the frame body 25 so as to be able to move up and down. A lift chain 67 is connected to the lift frame 63.
The driving force of the lifting motor 75 is transmitted through a sprocket or the like, and the lifting frame 63 moves up and down.

The structure of the temporary pressurizing device 89 will be described.
A temporary pressurizing frame 91 is fixed to the frame main body 25, and the temporary pressurizing frame 91 is
It is located above. The temporary pressure frame 91 is provided with a rail 93. The rail 93 has a moving contact member 9
5 and the provisional pressure member 97 in the direction in which the rail 93 extends (A-
(B direction). A contact stopper 99 is attached to the rear end of the temporary pressurizing frame 91, and the contact stopper 99 faces the moving contact member 95. The moving contact member 95 does not operate in the direction B unless a load equal to or more than a predetermined value is applied.

The temporary pressing member 97 and the moving contact member 95 include:
The temporary pressurizing chain 133 is connected, and the driving force of the temporary pressurizing motor 135 is transmitted to the temporary pressurizing chain 133 via a sprocket or the like. Further, a swing contact member 101 is attached to the temporary pressurizing frame 91 by a pin 103, and the swing contact member 101 is
Can be swung around the fulcrum. As shown in FIG. 3, the flat and swinging contact member 101 has a posture in which the tip thereof faces the moving contact member 95. Roller conveyor 6
The structure of No. 1 will be described. The roller conveyor 61 is arranged adjacent to the wood placing portion 105 of the width splitter, and the roller conveyor 61 is provided with a plurality of rollers 107 rotatably at intervals. The rollers 107 are staggered with respect to the lift frame 63.

The operation of the wood feeder 2 equipped with the transport raising machine 1 will be described. The tips of the plurality of pieces of wood M having the adhesive applied to the upper surface of the wood M are placed on the standby conveyor 3, and the rollers 11 are driven to send the wood M onto the standby conveyor 3. Then, the tips of the plurality of woods M are brought into contact with the stoppers 13 and aligned. Next, the chain conveyor 9 is raised, and the wood M is placed on the transport chain 19. Then, the transport chain 19 is driven, and the wood M is transported in the direction B, and is brought into contact with the rotating plate 43 as shown in FIG.

The transport motor 35 of the transport raising machine 1 operates to drive the transport shaft 29 to rotate, so that the rotating plate 43 rotates clockwise in FIG. 4 as shown in detail in FIG. With the rotation of the rotary plate 43, the transport plate 45 moves from the position P1 to the position P7. The transport plate 45 is in a calm posture at the position P1, and is in a balanced state. The transport plate 45 is positioned at the position P
From position 2 to the position P5, the roller 49 rolls on the concentric arc portion 53 and the eccentric arc portion 55, and is supported by the cam 51 via the roller 49. The transport plate 45 rolls on the guide arc portion 58 from the position P6 to the position P7, and is supported by the roller guide 57 via the roller 49.

With the rotation of the rotary plate 43, the rollers 49 attached to the transport plate 45 come into contact with the concentric arc portion 53 of the cam 51 and roll on the concentric arc portion 53, and the transport plate 45 reaches the position P2. When you move,
As shown by the solid line, the posture of the mounting portion 46 of the transport plate 45 becomes horizontal, and the mounting portion 46 contacts the lower surface of the wood M.
When the rotating plate 43 further rotates, the roller 49 rolls on the concentric arc portion 53, and accordingly, the transport plate 45
Gradually rises and the transport plate 45 is in the position P
At the position 3, the wood M pushed by the placing section 46 moves toward the tip of the installation plate 33 while pushing up the swinging contact member 101.

Then, the transport plate 45 is moved to the position P.
4 to the position of the mounting plate 4 of the transport plate 45.
6 becomes vertical, and the wood M rises by rotating 90 °.
At this time, the roller 49 is located at the end of the concentric arc portion 53. As described above, the transport plate 45 is moved to the position P2.
The position of the mounting portion 46 is set to be horizontal at the position of, and the attitude of the mounting portion 46 is set to be vertical at the position of the position P4, so that the wood M can be raised 90 ° and transported. And the application surface N on which the adhesive of the wood M is applied
Is the front surface Q of the wood M already installed on the installation plate 33.
Can surely overlap. When the roller 49 rolls on the eccentric arc portion 55, the transport plate 45
Moves horizontally while maintaining the vertical posture, and pushes the wood M by the mounting portion 46, and the wood M advances in the B direction on the installation plate 33 until the transport plate 45 moves to the position P5. I do.

When the wood M moves on the installation plate 33 in the direction B, the moving contact member 95 moves in the direction B while resisting the pressing force of the wood M. Wood M is the installation plate 3
3, the pressing of the wood M against the swing contact member 101 is released, the swing contact member 101 returns to the original posture, and the wood M is moved to the tip of the swing contact member 101. Section and the moving contact member 95. In this manner, the back surface of the wood M first placed on the installation plate 33 abuts on the moving contact member 95, and the wood M successively placed on the installation plate 33 swings and abuts on the front surface of the last placed wood M. The member 101 contacts. Therefore installation plate 3
3 and the wood M placed on the lift frame 63 are sandwiched between the swinging contact member 101 and the moving contact member 95. Even if the thickness of the wood M is small, the wood M
Can be reliably prevented from falling down.

When the roller 49 comes off the eccentric arc 55, the transport plate 45 rotates counterclockwise in FIG. 4 with the pin 47 as a fulcrum, and the transport plate 45 moves to the position P6.
The roller 49 comes into contact with the guide arc portion 58 of the roller guide 57. When the transport plate 45 is rotated in the counterclockwise direction in FIG.
Is released. Further, the roller 49 rolls on the guide arc portion 58, and the transport plate 45 is moved to the position P.
Move to position 7. After transporting the wood M on the installation plate 33, the transport plate 45 rotates in the direction in which the mounting section 46 is separated from the wood M.
Trouble such as biting into the wood M can be completely prevented.

When the roller 49 comes off the guide arc portion 58, the transport plate 45 rotates counterclockwise about the pin 47 as a fulcrum, and the transport plate 45 moves to the position P1. Point diagonally upward and to the right. The above operation is repeated, and the plurality of woods M placed on the chain conveyor 9 are sequentially rotated by 90 ° and placed on the installation plate 33. When the wood M is sequentially placed on the installation plate 33, the wood M on the installation plate 33 is sequentially pushed, and the moving contact member 95 moves in the B direction and moves on the lift frame 63.

All of the plurality of woods M placed on the chain conveyor 9 are mounted on the installation plate 45 and the lift frame 6.
3, the temporary pressurizing motor 135 is driven, the temporary pressurizing member 97 operates in the direction B, presses the wood M, and moves the plurality of woods M and the moving contact member 95. Then, the moving contact member 95 comes into contact with the contact stoppers 65 and 99, and the plurality of pieces of wood M are placed on the temporary pressing member 9 on the lift frame 63.
The plurality of woods M are temporarily fixed and integrated by being temporarily pressurized by being sandwiched between the movable contact member 7 and the moving contact member 95.

Next, the temporary pressurizing motor 135 is driven, the temporary pressurizing member 97 operates in the direction A, and the temporary pressurization is released. Then, the lifting motor 75 is operated, the lift frame 63 is lowered, and the plurality of rollers 10 of the roller conveyor 61 are moved.
7, the temporarily fixed wood M is placed on the roller conveyor 61 as shown in FIG. Then, the wood M placed on the roller conveyor 61 is placed on the wood loading portion 105 of the width splitter by a transport device (not shown).

Although the embodiment of the present invention has been described in detail above, the specific configuration is not limited to this embodiment, and there are changes in the design without departing from the gist of the present invention. Are also included in the present invention. In addition to raising the work vertically from the state where it is placed horizontally as shown in the above-described embodiment, the work is brought into contact with the work placed in an inclined position so that the carrier comes into contact with the work. It is good also as a structure which conveys. Further, by changing the angle of the carrier when the rotary support of the carrier comes off the eccentric arc portion, it is possible to adopt a configuration in which the work is placed on the second installation table in an inclined posture.

In the above embodiment, four rotary plates 43 and four transport plates 45 are provided. However, the present invention is not limited to this. In order to transport by
It is desirable to provide two or more in each case. Further, in the above embodiment, the spread angle θ of the concentric arc portion 53 is set to approximately 150
Although the angle is set to °, the present invention is not limited to this, and can be changed as appropriate depending on the position where the mounting portion 46 of the transport plate 45 contacts the work and the position of the installation plate 33. However, as shown in the above embodiment, in order to raise the work from a horizontal posture to a vertical posture, the spread angle θ needs to be at least 90 °. The spread angle α of the eccentric arc portion 55 is not limited to approximately 30 °, but can be appropriately changed depending on the distance by which the work is moved in the horizontal direction.

[0026]

As described above, according to the present invention, workpieces can be sequentially transported and raised independently of human power.

[Brief description of the drawings]

FIG. 1 is a perspective view of a supply device on which a transport raising machine according to an embodiment of the present invention is mounted.

FIG. 2 is a side view for explaining the operation of the supply device on which the transport raising machine according to the embodiment of the present invention is mounted.

FIG. 3 is a perspective view of the transport raising machine according to the embodiment of the present invention.

FIG. 4 is an enlarged cross-sectional view for explaining the operation of the transport raising machine according to the embodiment of the present invention.

FIG. 5 is an enlarged cross-sectional view for explaining the operation of the transport raising machine according to the embodiment of the present invention.

FIG. 6 is a side view for explaining the operation of the supply device on which the transport raising device according to the embodiment of the present invention is mounted.

FIG. 7 is a side view for explaining the operation of the supply device on which the transport raising machine according to the embodiment of the present invention is mounted.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Transport raising machine 2 Wood supply apparatus 3 Standby conveyor 5 Base 7 Roller unit 9 Chain conveyor 11, 107 Roller 13 Stopper 15 Column member 17 Sprocket 19 Transport chain 21 Shaft 25 Frame main body 27 Base 28 Pillow block 29 Transport shaft 31 Installation table 33 Installation Plate 35 Conveyor Motor 43 Rotating Plate 45 Conveyor Plate 46 Placement Section 47, 103 Pin 49 Roller 51 Cam 53 Concentric Arc Section 55 Eccentric Arc Section 57 Roller Guide 58 Guide Arc Section 59 Lifting Device 61 Roller Conveyor 63 Lift Frame 65, 99 Contact Stopper 67 Elevating Chain 75 Elevating Motor 89 Temporary Pressing Device 91 Temporary Pressing Frame 93 Rail 95 Moving Contact Member 97 Temporary Pressing Member 101 Swing Contact Member 105 Wood Placement Section 33 position of the temporary coating surface of the pressing chain 135 temporary pressure motor M Wood N Wood M glue Q timber front of M P1, P2, P3, P4, P5, P6, P7 carrying plate

Claims (3)

(57) [Claims] 1. A concentric arc having a contour formed by a rotating body, a cam disposed on a side of the rotating body, and a part of an outer periphery of a circle formed on the cam and centered on a rotation axis of the rotating body. Part, formed continuously with the concentric arc part, having a center different from the rotation axis, and a part of the outer periphery of a circle having a larger diameter than the circle constituting the contour of the concentric arc part. And the eccentric arc portion, and the concentric arc portion and the eccentric arc portion are formed continuously to form the cam, and the distance from the contour to the rotation axis is the contour of the concentric arc portion and the eccentric arc portion. And a connecting member that is smaller than the distance from the rotating shaft to the rotating shaft, a carrier that is rotatably provided on the rotating body, and that includes a rotating support that rolls on an arc portion of the cam when the rotating body rotates. At the position where the support rolls on the concentric arc of the cam A first installation table on which a workpiece pushed and transported by the transport body is placed, and a second installation table on which the workpiece is placed at a position where the rotary support rolls over an eccentric arc portion of the cam; The transport raising machine is characterized in that the transport body is set at a center of gravity that rotates in a direction opposite to a rotation direction of the rotary body when the rotary support comes off the eccentric arc portion of the cam. 2. The apparatus according to claim 1, wherein the posture of the carrier is horizontal at a position where the carrier pushes a work placed on the first installation table, and the work transported by the carrier is moved to the second installation table. A transport raising machine characterized in that it is set so as to be vertical at the position where it is placed on the pallet. 3. The work according to claim 1 or 2, wherein the work comes into contact with the rear surface of the work placed first on the second mounting table, and is pressed by the work mounted on the second mounting table, and a pressing force of the work is applied. The moving contact member moves with the work while resisting the work, and is pushed up by the work carried by the carrier, the work is placed on the second installation table, and when the pressing by the work is released, the second A transfer abutting member which abuts on a front surface of a work placed most recently on the mounting table and includes a swinging abutting member for holding the work mounted on the second mounting table together with the moving abutting member. .