JPH06179503A - Material carrying-in/out device - Google Patents

Abstract

PURPOSE:To rationalize the cutting by a user, save the labor, reduce the product dropping sound on the product carry-out side, and prevent the environmental pollution by providing a carrying-in device concurrently feeding a raw material and storing odd size materials. CONSTITUTION:A material carrying-in/out device is provided with a shelf frame 57 having multiple pallet storage shelves 55 accessibly storing the pallets 61 mounted with works, an accessible elevator device 71 vertically movable at one side of the shelf frame 57 and moving the pallets 61 into or out of the pallet storage shelves 55, a work carrying-in and odd size material carrying-out crane 69 having fork-lifts 79A, 79B holding the works stored in the elevator device 71 and delivering them to a cutting machine side and movable laterally and vertically, and a laterally movable product carrying-out crane 107 having a holding device 121 holding the products machined by the cutting machine and rotatable and movable vertically and laterally.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a material carrying-in / carrying-out apparatus capable of carrying a work in and out of a cutting machine such as a saw machine and storing the work in the original position again if necessary. Regarding

[0002]

2. Description of the Related Art Conventionally, in the vicinity of a cutting machine such as a saw machine, a three-dimensional warehouse for storing works such as bars is arranged. The work stored in this three-dimensional warehouse is carried into the cutting machine by a flat type loading device, and the product processed by the cutting machine is carried out by a flat type unloading device. Further, the cut pieces after cutting are returned to and stored in the three-dimensional warehouse by a loading device.

[0003]

By the way, in the above-mentioned conventional three-dimensional warehouse, there is a shortage of stock when the material of the standard length material becomes an end piece after cutting, and there is an end piece that cannot be stocked. I can't organize it. In addition, when the products processed by the saw machine are carried out by the unloading device, the products are dropped and accumulated in the storage box, which causes a high drop noise and causes pollution, which causes a problem that night operation cannot be performed.

In order to improve the above problems, an object of the present invention is to carry in and carry out a material, which has both supply of a material and storage of an end piece, and reduction of a product dropping sound at a product carrying-out side to prevent pollution. To provide a device.

[0005]

In order to achieve the above object, the present invention provides a shelf frame having a plurality of pallet storage shelves for storing pallets on which works are put in and out, and a shelf frame of the shelf frame. It is equipped with an elevator device that can move up and down on one side and that moves the pallets into and out of each pallet storage shelf, and a fork that grips the work stored in this elevator device and feeds it to the cutting machine side. A movable work loading / unloading crane, and a product unloading crane that has a gripping device that grips and swivels, vertically moves, and moves back and forth by the cutting machine. , And a material loading / unloading device.

[0006]

By using the material loading / unloading device of the present invention, the elevator device is appropriately moved up and down and positioned on the pallet on which the desired work stored at the appropriate height position of the shelf frame is placed. , Remove the pallet from the shelf frame by the elevator device.

Then, the work in the pallet supported by the elevator device is gripped by the fork provided in the work loading / unloading material unloading crane, and the work is supplied to the cutting machine. It should be noted that the cut piece after cutting the work can be stored in a desired position of the shelf frame by performing the above operation in reverse.

Further, the product cut by the cutting machine is
The product is stored in a storage box by gripping it with a gripping device provided on a product unloading crane and rotating and vertically moving it appropriately, and moving the gripping device back and forth and left and right. Therefore, there is no loud drop noise when the product is stored.

[0009]

Embodiments of the present invention will be described in detail below with reference to the drawings. In this embodiment, a turret type band saw machine will be described as the cutting machine, but the machine is not limited to this machine.

In order to facilitate understanding, the overall construction of the band saw machine will first be outlined.

Referring to FIG. 6, the band saw machine 1 includes a plurality of (two in this embodiment) guide posts 5A, 5 on the base 3.
B is erected, and slide brackets 7A and 7B are attached to the guide posts 5A and 5B so as to be vertically movable.

A rectangular column 9 is rotatably mounted in the middle of the slide brackets 7A, 7B, and turret type housings 11a, 11b, 11c are provided so as to project radially from each side of the column 9. 11d are provided on both sides of the column 9 with a predetermined gap. A drive wheel 13 is attached to one side (right side in FIG. 6) of the turret type housings 11a to 11d, and a driven wheel 15 is attached to the other side (left side in FIG. 6) of the turret type housings 11a to 11d. On the other hand, a band saw blade 17 is wound around the driving wheel 13 and the driven wheel 15.

A slide member 19 and a tension cylinder 21 are provided on the back side of the turret type housings 11a, 11b, 11c and 11d on which the driven wheels 15 are mounted in order to apply or loosen tension to the band saw blade 17. A slide body 23 supporting the driven wheel 15 is slidably mounted in the slide member 19. Moreover, the tension cylinder 2
The piston rod mounted on 1 and the slide body 23 are connected.

With the above structure, the tension cylinder 21
When the piston rod is contracted by activating the driven wheel 15, the driven wheel 15 moves through the slide body 23.
And applies tension to the wound band saw blade 17. When the tension cylinder 23 is actuated to project the piston rod, the slide body 23 projects and the driven wheel 15 moves to the drive wheel 13 side. Therefore, the tension of the band saw blade 17 disappears, and the saw blade can be replaced.

The turret type housings 11a to 11
a drive side guide bracket 27 supporting a rotary drive side insert holder 25 in a space generated in the left-right direction of d;
A driven guide bracket 31 that supports the rotary driven insert holder 29 is provided. The drive side guide bracket 27 is fixed to the column 9, and the moving side guide bracket 31 is provided on the column 9 so as to be movable in the left-right direction.

A drive motor 33 for rotating the column 9 by 90 degrees or 180 degrees is provided on the slide bracket 7A, and the slide bracket 7A positions the column 9 after the rotation (illustration). Omitted) is provided.

Further, for example, a drive motor 35 is provided on the slide bracket 7A as a drive source for driving the drive wheels 13 mounted on the turret type housings 11a to 11d which are radially provided on the column 9. The drive motor 35 serves as a rotation transmission member, for example, a timing belt 37 or the like, and a reduction gear 39.
Although the rotation is transmitted to the drive wheel 13, the drive wheel 13 is rotationally driven from the output shaft of the speed reducer 39 through a driven system provided in the column 9 though not shown. In order to move the slide brackets 7A, 7B in the vertical direction along the guide posts 5A, 5B, a fluid pressure operated swing cylinder 41 erected on the base 3 is connected to the slide bracket 7A.

On the other hand, the moving vise jaw 43 and the fixed vise jaw 45 for gripping and fixing the work are provided on the base 3. Fixed vice jaw 45 is drive wheel 1
3 side, that is, on the right side in FIG. 6, is fixed on the base 3 and is provided with a moving vise jaw 43 relative to the fixed vise jaw 45, and a fluid pressure operated cylinder 47 provided on the base 3 is provided. The movable vice jaw 43 is connected to the movable vice jaw 43, and the movable vice jaw 43 and the fixed vice jaw 45 cooperate to hold and fix the work by the operation of the cylinder 47. Reference numeral 49 is a safety cover that covers a rotating device.

With the above-described structure, the desired cutting portion of the work is positioned at the cutting processing position KK line, and the moving vice jaw 43 is operated to hold and fix in cooperation with the fixed vice jaw 45. Then, one of the turret type housings 11a to 11d having the drive wheel 13 around which the desired band saw blade 17 is wound and the driven wheel 15 is driven and positioned by driving the drive motor 33 onto the cutting position KK line. To do.

At this time, the turret type housing 1
The column 9 to which 1a to 11d are fixed is a swing cylinder 4
It is in the upper limit due to the operation of 1. Then, tension is applied to the driven wheel 15, which is a normal operation, to tension the band saw blade 17, and the drive side guide bracket 2
With the rotary drive-side insert holder 25 locked to 7 and the rotary driven-side insert holder 29 locked to the driven-side guide bracket 31 set to a predetermined width, the band saw blade 1
7 is clamped and twisted at a predetermined angle.

After that, the drive motor 35 is driven, the speed reducer 39 is rotated via the timing belt 37, and the rotation is transmitted to the driven system provided in the column 9 to rotate the drive wheel 13. The rotation of the drive wheel 13 causes the band saw blade 17 to travel, the swing cylinder 41 to be actuated, and the band saw blade 17 to be lowered to perform cutting work on the workpiece.

Next, the material loading / unloading device, which is the main part of this embodiment, will be described in detail.

The material carrying-in / carrying-out device includes a pallet storage shelf for storing raw materials or scraps, a material carrying-in device 51 equipped with an elevator device for loading and unloading the pallet of the pallet storage shelf, and an exit side of the band saw machine 1. It is composed of a material unloading device 53 that unloads a certain product.

As the material carrying-in device 51, referring to FIGS. 1, 3 and 4, a pallet storage shelf 55 is provided near the above-mentioned band saw machine 1 (right side in FIG. 1) and stands upright. A plurality of shelves 59 are provided on the frame 57, and a pallet 61 that stores a plurality of material WS on this shelf 59.
Is placed. A plurality of wheels 63 are arranged on the pallet 61 and can move on the shelf 59.

Guide plates 65 are vertically extended on both outer sides (left and right sides in FIG. 1) of the shelf frame 57, and a plurality of guide plates 65 (in this embodiment, two on the left, right, top and bottom) are provided. ), A work loading / unloading crane 69, and an elevator device 71 via wheels 67. In addition, material import,
The crane 69 for discharging the scrap material is provided above the elevator device 71 and can move up and down along the shelf frame 57. The up and down drive system is not shown in the figure, but is a known structure, for example, a chain from an electric motor. The work loading / unloading crane 69 and the elevator device 71 are moved up and down via the.

In the elevator apparatus 71, the pallet support portion 73 capable of taking out and storing the pallet 61 stored in the pallet storage rack 55 has a Y-axis direction (a direction orthogonal to the drawing in FIG. 1, a horizontal direction in FIG. In the up and down direction). And pallet storage shelf 5
In order to take out or store the pallet 61 stored in the vehicle 5, a known structure such as a tracker is provided.

In the crane 69 for loading and unloading workpieces, the arm 75 is movable in the Y-axis direction to the crane main body 7.
7, the arm 75 is movable in the Y-axis direction by a suitable driving means such as an electric motor via a driving member. Further, forks 79A, 79 are provided at the tip of the arm 75 (left side in FIG. 3, lower side in FIG. 4).
The bar 81 supporting B is integrally provided by extending in the X-axis direction (the left-right direction in FIGS. 1 and 4, and the direction orthogonal to the drawings in FIG. 3).

The forks 79A and 79B are suspended from the bar 81 via a plurality of wheels 83, and
As a driving means for moving the A and 79B in the X-axis direction, for example, a torque motor 85 provided on one side of the bar 81 is used.
The forks 79A and 79B are connected to each other via a chain or the like having a known structure from A and 85B.

With the above structure, the forks 79A and 79B are formed.
In order to grip the material W _S at the torque motor 85A, 8
By driving 5B, the forks 79A and 79B can be opened and closed in the X-axis direction via the chain or the like to grip the material W _S. Also, while holding the material W _S , X
In order to move the material W _S in the axial direction, the voltage of the torque motor 85B for moving the fork 79B is automatically reduced to an appropriate value in the left direction of the X-axis direction, that is, when the material W _S is carried into the band saw machine 1. A torque motor 85A for moving the fork 79A is provided to the right in the X-axis direction, that is, when the end piece _WH is carried out from the band saw machine 1 side to the pallet storage shelf 55.
This can be done by automatically dropping the voltage of to the proper value.

The structure of the forks 79A and 79B will be described in more detail. As shown in FIG. 1, the forks 79A and 79B are formed in opposite shapes to each other, and the material W _S or the end piece is used. In order to support W _H , a material receiver 87 protruding from the lower ends of the forks 79A and 79B is formed, and a holding surface 89 for contacting and holding the side surface of the material W _S or the end piece W _H is formed.

Further, in the crane 69 for loading and unloading workpieces, the crane body 77 contacts the stopper 91 provided on the shelf frame 57 and the lower limit of the crane body 77 is positioned, and the support plate 77A is provided on the lower surface of the crane body 77. It is provided so as to project (see FIG. 3).

On the other hand, a feed vise 93 is provided on the material carrying-in side (right side in FIG. 1) of the band saw machine 1.
Incidentally, the feed device 93 is already omitted because it is known arrangement, the feed device 93 is intended to make the role of feeding the material W _S to the openable and becomes band saw 1 by clamping the material W _S .

A bar 95 is provided on the lower surface on the tip side (left side in FIG. 1) of the feed vise 93 so as to be vertically movable by, for example, a cylinder (not shown). The dimension is set so that when the bar 95 rises, a space is formed under the tip of the feed vise 93 so that the material receiver 87 of the fork 79B can be inserted therein.

A member designated by reference numeral 97 is a material feeding table, and a plurality of rollers 101 are rotatably supported on a mount 99.

With the above structure, the forks 79A and 79B are formed.
The material W _S clamped by is directly carried on the feed vise 93, and the material W _S is clamped by the feed vise 93. At this time, the bar 95 is at the upper limit and the material W _S is fed by the vice 9
The forks 79A and 79B are clamped at 3, and the material W is
When separated from _{S, the} bar 95 descends and the feed vise 93 is slightly opened to place the material W _S on the material feed table 97. Then, the material W _S is clamped again by the feed vise 93, and the fixed vise jaw 45 provided on the band saw machine 1 is clamped.
And the moving vice jaw 43 is fed into the main body vice jaw.

The material discharge device 53 is shown in FIG. 2 and FIG.
Referring to FIG. 1, a product unloading crane 107 is mounted on a pedestal 103 via a plurality of wheels 105.
03 is provided so that it can be moved freely.

The product unloading crane 107 includes the gantry 1
A frame 10 horizontally mounted on the 03 so as to be movable in the Y-axis direction.
9, a crane body 111 that is movable in the X-axis direction is mounted via a plurality of wheels 113. As a moving mechanism of the crane body 111, a screw rod 117 is coupled to an output shaft of a drive motor 115 fixed to the frame 109, and a nut member 119 screwed to the screw rod 117 is provided in the crane body 111. .

With the above construction, when the drive motor 115 is driven, the screw rod 117 rotates, and the crane main body 11 is rotated through the nut member 119 screwed to the screw rod 117.
1 is moved in the X-axis direction.

The crane body 111 has a gripping device 12
1 is installed vertically. In this gripping device 121, a boss 125 is vertically rotatably mounted on a column 123 vertically provided on the crane main body 111, a drive motor 127 is fixed to the boss 125, and the boss 125 is mounted on an output shaft of the drive motor 127. The small gear 129 meshes with the large gear 131 engaged with the support column 123.

With the above structure, when the drive motor 127 is driven, the small gear 129 rotates and moves around the large gear 131. That is, the boss 125 turns around the column 123.

A fluid pressure actuated piston rod 135 of a cylinder 133 is connected to the boss 125, and the cylinder 133 is erected on a base plate 137 rotatably provided at the lower end of the column 123. .

With the above structure, when the cylinder 133 is operated and the piston rod 135 is projected, the boss 12
5 rises, and when the piston rod 135 is contracted, the boss 125 descends.

The boss 125 is provided with an L-shaped grasping claw 141 which is supported by a plurality of guide rods 139 and can be opened and closed.
The grip claw 141 is connected to a fluid pressure operated cylinder 143 provided on the boss 125, and the grip claw 141 can be opened and closed by the operation of the cylinder. Reference numeral 145 is a storage box for storing the product W _H.

With the above-described structure, the operation is, for example, to carry out the work carry-in and the end in order to take out the pallet 61 containing the desired material W _S from the shelf 59 of the uppermost pallet storage shelf 55 of the shelf frame 57. The elevator device 71 is lifted up to the vertical position U indicated by the chain double-dashed line in the drawing of FIG. 3 through the support plate 77A of the scale material discharging crane 69. Then, the pallet 61 in which the material W _S is stored by the tracker of the elevator device 71 is stored in the pallet support portion 73 of the elevator device 71.

Then, the elevator 71 and the work loading / unloading material unloading crane 69 are both lowered, and the work loading / unloading material unloading crane 69 contacts the stopper 91 and stops. The elevator device 71 further descends and stops at the position indicated by D in the drawing of FIG. 3, which is the lower limit. In addition, at the lower limit of the crane 69 for carrying in the work and for discharging the scrap material, the forks 79A, 7 provided on the bar 81 of the arm 75 are provided.
The lower end of 9B is located at a position slightly separated from the upper surface of the roller 101 of the material feeding table 97. Furthermore, fork 79
A and 79B are positioned at the standby positions on both ends of the bar 81 (the positions shown by the solid lines in FIG. 1).

From the above state, the forks 79A, 79B
Is moved inward in the X-axis direction by driving the torque motors 85A and 85B, and is moved to a width larger by a predetermined amount than the width of the desired material W _S to be taken out, and the arm 75 is moved in the Y-axis direction. And position it at the center of the material W _S to be taken out.

After the positioning of the forks 79A and 79B is completed, the elevator device 71, which was at the lower limit D position, is raised and positioned to the take-out position indicated by N in the drawing of FIG. Then, the torque motors 85A and 85B are operated to clamp the material W _S with the forks 79A and 79B. After the material W _S is clamped, the elevator device 71 is lowered to the lower limit D position again.

When the elevator device 71 descends, the arm 75 of the work loading / unloading crane 69 is advanced in the Y-axis direction, and stopped at the position where the material W _S is clamped by the feed vise 93, and the torque motor 79A. , while clamping the material WS by the operation of 79B, fed into the feed device 93 moves the X-axis direction, clamps the material W _S in the feed device 93.

When the material W _S is clamped by the feed vise 93, the bar 95 provided on the feed vise 93 is raised, and after the forks 79A and 79B release the clamp, the feed vise 93 slightly moves in the same position. When opened a certain amount, the bar 95 descends and becomes the same as the upper surface of the material feeding table 97. Then, it clamps the material W _S in the feed device 93 again, fed the material W _S to the band saw machine 1 and the mobile device jaws 43 is a main body device to the fixed vise jaw 45 inside, clamping the material W _S in body vice Cutting processing is given.

The forks 79A and 79B are returned to the standby positions on the left and right ends, respectively, and the work loading / unloading crane 69 is returned to the U position which is the ascending limit.
Waiting until the specified number is cut. It should be noted that while the work loading / unloading crane 69 for lifting the workpiece interferes with the band saw blades 17 provided on the turret type housings 11a to 11d provided on the band saw machine 1, for example, the proximity switch (provided on the fork 79B ( The turret-type housings 11a to 11d can be rotated to prevent interference by detection (not shown).

When the material W _S is processed by the band saw machine 1 and the remaining length measuring material W _H is stored in the pallet storage shelf 55, the above operation is reversed to reach the desired pallet storage shelf 55. The scrap material W _H can be stored. That is, when the cutting process is completed, the work loading / unloading material unloading crane 69 descends, and the edging material W _H on the feed vise 93 is moved.
Is clamped with forks 79A and 79B, and the end piece _WH is stored in the original pallet 61, and the elevator device 7
The operation of 1 returns the pallet 61 to the desired pallet storage rack 55.

[0052] In addition, in order to accommodate the new material W _S to the pallet 61, workpiece loading, which is equipped to set on the feed device 93, a fork of Hajaku material unloading crane 69 79A, the material W _S in 79B Clamp and pallet 61
It can be put inside and stored in a desired pallet storage rack 55 by the operation of the elevator device 71. If the dimensions of the material W _S are managed, it is possible to store the material W _{S in the} pallet 61 directly with a factory crane.

On the other hand, the product W processed by the band saw machine 1
_M is a product unloading crane 10 equipped with a gripping device 121.
7 is operated, and the grip claw 141 provided on the grip device 121.
Position the product W _{M in} a position where it can be clamped. Then, the product W _M is clamped by the grip claws 141 and appropriately rotated, vertically moved, and moved left and right to place the product W _M in the storage box 145.

As described above, the elevator device 71 takes out the pallets 61 from the pallet storage shelves 55 having a plurality of stages, carries in the work, and carries the material W _S into the band saw machine 1 by the crane 69 for carrying out the end material, and processing. Since the scrap material W _H that has already been used can be stored in the pallet storage rack 55, it is possible to rationalize the cutting of the user and to save labor. Also,
The product is clamped by the gripping device 121 of the product unloading crane 107 and stored in the storage box 145. Therefore, there is no drop sound, the product is not scratched, quality is improved and pollution is prevented, and night operation is performed. It can be possible.

The present invention is not limited to the above-described embodiments, but can be implemented in other modes by making appropriate changes. For example, in this embodiment, the shelf frame 57 for storing the pallet 61 is described as one place, but the shelf frame 57 can be provided on the opposite side, and at this time, the material change time can be further shortened. .

[0056]

As can be understood from the above description of the embodiments, according to the present invention, since it is configured as described in the claims, a shelf frame having a plurality of pallet storage shelves is provided. A pallet containing a desired material is taken out by an elevator device, a work is carried in, and a material is taken out from the pallet taken out by the elevator device by a crane for carrying out end material and carried into a cutting machine. In addition, the scrap material after processing with the cutting processing machine carries in the work, and the elevator is carried into the device by the crane for carrying out the scrap material,
It is stored in a pallet storage shelf by this elevator device. Therefore, it is possible to rationalize the disconnection of the user and save labor.

The products processed by the cutting machine are
Since the product is clamped by the gripping device provided in the product unloading crane and is stored in the storage box by the swinging, vertical movement, and lateral movement of the gripping device, it is possible to prevent pollution due to a reduction in product falling noise.

[Brief description of drawings]

FIG. 1 is a side view showing a main part of the present invention and including a partial cross section of a material carrying-in device.

FIG. 2 is a side view showing a main part of the present invention and showing a partial cross section of the material unloading device.

FIG. 3 is a side view seen from the right side in FIG.

FIG. 4 is a plan view of FIG.

FIG. 5 is a plan view of FIG.

FIG. 6 is a perspective explanatory view of a band saw machine of an embodiment in a cutting machine embodying the present invention.

[Explanation of symbols]

 1 Band saw machine 51 Material carry-in device 53 Material carry-out device 55 Pallet storage rack 57 Shelf frame 61 Pallet 69 Work-carry-in and scrap-material carry-out crane 71 Elevator machines 79A, 79B Fork 1076 Product carry-out crane 121 Grasping device

Claims (1)

[Claims] 1. A shelf frame comprising a plurality of pallet storage shelves for storing pallets on which works are put in and out, and a pallet for each pallet storage shelf that is vertically movable on one side of the shelf frame. Equipped with an elevator device for loading and unloading, and a fork for laterally moving and vertically moving workpieces, a fork for loading and unloading workpieces, which is equipped with a fork that grips the work stored in this elevator device and feeds it to the cutting machine side, and the cutting A material loading and unloading device, comprising: a product unloading crane that holds a product processed by a processing machine, and that has a gripping device that can swing, move up and down, and move back and forth.