JPH05318224A - Cutting device - Google Patents

Abstract

PURPOSE:To provide a cutting device which has achieved saving of the space for installation and permits efficient performance of cutting works. CONSTITUTION:Racks 3 in a plurality of stages and rows are provided to accommodate works W in respective supporting parts 11 arranged in the racks, and a cutting machine 5 movable up and down and to the left and right is furnished in front of the position mating with the supporting parts 11. Thus a cutting device 1 is configured, wherein the cutting machine 5 is preferably equipped with a material feeding vise 37 movable fore and aft to feed the works W supported by the respective supporting parts 1 and equipped, in front of the machine 5, with a cut pieces carryout conveyor movable up and down to carry out cut pieces G produced by the machine 5, and it is also favorable that works W are supported in the supporting parts 11 of the racks 3 while protruded in advance for a certain distance.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a novel cutting device, and more particularly to a cutting device provided with a cutting machine on the front side of a shelf having a plurality of stages and a plurality of rows for storing works in a supporting portion. The present invention relates to a cutting device in which a cutting machine is moved to the front side of each support section on a shelf and a work is taken out from the support section and cut by a cutting machine.

[0002]

2. Description of the Related Art Conventionally, when a work is cut using a band saw machine such as a horizontal band saw machine or a vertical band saw machine as a cutting machine, first, the material, diameter and length of the work are controlled individually. After taking out from the existing shelves consisting of multiple stages and multiple rows with a work take-out device such as a fork,
For example, it is carried to a work supply shelf which is erected on the rear side of the band saw machine.

Next, a work to be processed is selected from the works carried to the work supply shelf and sent to the material feeding device, and then the material is fed to the band saw machine by the material feeding device to obtain the required length of the work. To be disconnected. It is generally known that the cut cutting material is once stored in a product shelf provided on the front side of the band saw machine, and then transported to and stored in a final product shelf by a fork or the like.

[0004]

By the way, in the above-mentioned conventional cutting system, there are provided a work shelf for storing the work, a work supply shelf for temporarily storing the work, a material feeding device, a cutting machine and a product shelf. Because it is installed separately,
There was a space problem because the total installation area was large.

Further, since the work is cut by the cutting machine after passing through the work rack, the temporary work supply rack, and the material feeding device, it takes a lot of time and labor for the setup work until the cutting, and the setup time is also considerable. Therefore, there is a problem that the total cutting efficiency when cutting the work is very poor.

SUMMARY OF THE INVENTION An object of the present invention is to provide a cutting device which, in order to solve the above-mentioned problems, saves an installation space and improves the efficiency and efficiency of cutting work.

[0007]

In order to achieve the above object, the present invention provides a shelf having a plurality of stages and a plurality of rows for accommodating a work in a support portion, and corresponds to each support portion of the shelf. In order to position it on the front side of the position, at least a cutting machine movable in the left-right direction was provided to configure the cutting device.

In the cutting device, the cutting machine is provided with a material feeding vise that is movable in the front-rear direction for feeding the work supported by each of the supporting portions, and the cutting machine is provided on the front side of the cutting machine. A cutting piece unloading conveyor that is movable in the up-down direction to carry out the cutting pieces that have been cut by, and that each supporting portion in the shelf is supported by projecting a work in advance by a predetermined distance, and On the opposite side of the cutting machine, it is desirable to provide a work supply device that is movable in the left-right direction, the up-down direction, and the front-rear direction so as to store the work in each support portion of the shelf.

Further, the cutting device is provided with a work supply / cut piece arranging conveyor for supplying a work to the work supply apparatus or for arranging the cut pieces carried out by the cut piece carrying-out conveyor. It is more desirable that

Alternatively, according to the present invention, a plurality of shelves are provided in a vertical direction or a left-right direction in which the work is stored in the support portion, and the work is preliminarily projected and supported by a predetermined distance on each of the support portions of the shelf. , A cutting machine movable in the vertical direction or the left-right direction is provided in order to position it on the front side of the position corresponding to each support portion of each shelf, and the work supported by each support portion is fed to this cutting machine. A cutting device was constructed by providing a material feeding vise that is movable in the front-rear direction.

[0011]

By employing the cutting device of the present invention, various works having different materials and different lengths are supplied from the work supply device, for example, to the respective supporting portions of the shelves having a plurality of stages and a plurality of rows and stored therein. Then, when the work is stored in each of the support portions, it is preferable that the work is stored so as to be projected and supported by a predetermined distance in advance.

When the necessary work is selected and designated from the works supported by the respective support portions on the shelf, the cutting machine is moved and positioned at least in the left-right direction in front of the designated support portion. Next, the material feeding vice is moved to the work side in the front-rear direction to grip the work, and then is moved forward to feed the material to the cutting machine. The work is cut by the cutting machine to the required length.

The cut pieces are placed on the cut piece unloading conveyor and are lowered, and further transferred from the cut piece unloading conveyor to the work piece feeding / cutting piece arranging conveyor to be aligned and then carried out.

[0014]

Embodiments of the present invention will be described in detail below with reference to the drawings.

Referring to FIG. 1, the cutting device 1 includes a shelf 3 having a plurality of stages, for example, N stages and a plurality of columns, for example, M columns, for accommodating a work W in a supporting portion, and a left and right sides on the front side of the shelf 3. For example, a gate type frame 7 provided with a vertical band saw 5 as a cutting machine that is movable in the vertical direction (X axis direction) and in the vertical direction (Z axis direction).

The shelf 3 is, for example, a rectangular parallelepiped,
A plurality of shelf boxes 9 each having N stages and M rows are provided.
In the depth direction of each shelf box 9, as shown in FIG. 2, a plurality of work support devices 11 are provided as support portions that support the works W at appropriate intervals. The work supporting device 11 includes a supporting plate 11A extending in the left-right direction in FIG. 2 and having a plurality of grooves, and a reference plate 11B at the right end of the supporting plate 11A. Even if the diameter of the work W changes, the reference position is not changed, and the work W is stably placed.

With the above-described structure, the work W is placed on the support plate 11A of the work support device 11 in each shelf box 9, and the work W is accommodated at the tip of the work W in advance at a predetermined position as shown in FIG. It is desirable that it be housed so as to project by a distance L.

A side frame (not shown) is erected on the front side of the shelf 3, and an upper frame 13, which is partially omitted, is connected to the upper portion of the side frame. In addition, a plurality of parallel guide rails 15 extending in the X-axis direction at appropriate intervals in the Y-axis direction are laid on the floor on the front side of the shelf 3. The gate-shaped frame 7 is provided on the guide rail 15.

The gate frame 7 is a lower frame 7
D, side frames 7R, 7L and upper frame 7U
The gate-shaped frame 7 is provided with the vertical band saw machine 5. The lower frame 7D of the gate-shaped frame 7 is guided by the guide rail 15 and moved in the X-axis direction by a drive motor (not shown), a ball screw, or the like.

A support base 17 is provided between the gate frames 7R and 7L so as to be movable in the Z-axis direction.
A nut member (not shown) is provided at the right end of the support base 17, and a ball screw 19 screwed to the nut member is rotatably supported by the upper and lower frames 7U and 7D. Moreover, the upper end of the ball screw 19 is interlocked with the drive motor 21 provided on the upper frame 7U.

With the above construction, when the drive motor 21 is driven, the ball screw 19 is rotated and the support base 17 is moved in the Z-axis direction via the nut member.

A box-shaped bed 23 is provided on the support base 17, as shown in FIG.
A main body vise 25 and a front vise 27 are provided on the bed 23. Main body vice 25 is fixed vice 25F
And the movable vise 25M, and the movable vise 25M is attached to the tip of the piston rod mounted on the fluid cylinder 29. The front vise 27 also has a fixed vise 27F and a movable vise 2 like the main body vise 25.
7M, and the movable vice 27M is attached to the tip of the piston rod mounted on the fluid cylinder 31.

With the above structure, in the body vise 25 and the front vise 27, the movable vices 25M and 27M are moved toward and away from the fixed vices 25F and 27F by the operation of the fluid cylinders 29 and 31 to clamp the work W. It can also be unclamped.

Fixed vice 25F of the main body vice 25
On the side of the fixed vise 27F of the front vise 27, a C-shaped saw blade housing 33 is provided so as to be movable in the X-axis direction. A rotatable driven wheel and a drive wheel are supported above and below the saw blade housing 33. A band saw blade 35 is wound around the driven wheel and the drive wheel. Since the moving mechanism of the saw blade housing 33 in the X-axis direction and the rotating mechanism of the drive wheel are already known, detailed description thereof will be omitted.

With the above structure, when the drive wheel is rotated, the band saw blade 35 wound around the drive wheel and the driven wheel runs, for example, from the upper direction to the lower direction. Then, the band saw blade 35 is rotated and moved, and the saw blade housing 33 is moved from the right side to the left side in the X-axis direction.
The work W clamped at 7 is cut. A saw blade guide 36 is provided above and below the saw blade housing 33, and the band saw blade 35 is twisted at 90 degrees to direct the tip of the tooth to the left. Moreover, one or both of the saw blade guides 36 can be moved up and down.

A feeding vise 37 is provided at the center of the bed 23 on the left side in FIG. The feed vise 37 is composed of a fixed vise 37F and a movable vise 37M, and the movable vise 37 is attached to the tip of a piston rod attached to the tip of the fluid cylinder 39.

With the above structure, the work W can be clamped or unclamped by operating the fluid cylinder 39 with respect to the fixed vise 37F to move the movable vise 37M toward or away from the fixed vise 37F.

The base 41 of the material feeding vise 37 is provided movably in the Y-axis direction by a known fluid cylinder or the like. Therefore, by moving the material feeding vice 37 to the side of the work W stored in the shelf box 9, the work W stored in the shelf box 9 is moved.
The work W is fed from the shelf box 9 to the vertical band saw machine 5 by clamping the projecting part of No. 1 and then moving the material feeding vise 37 to the vertical band saw machine 5.

When the tip of the work W is inserted into each shelf box 9 without protruding to the front side of each shelf box 9, a fixed vise 37F in the material feeding vise 37,
An auxiliary vise can be attached to the left end of the movable vise 37M in FIG. 3, and the work W can be clamped so that the auxiliary vise is inserted into each shelf box 9 to feed the work.

A box-shaped support box 43 is provided on the support base 17 on the front side (right side in FIG. 3) of the bed 23. A plurality of rotatable roller conveyors 45 are provided at appropriate intervals along the Y-axis direction at approximately the center of the support box 43 and the bed 23 in the X-axis direction. A leading edge positioning device 47 for positioning the leading edge of the work W is provided in the middle of the roller conveyor 45. This tip positioning device 47 is already known, and is configured to be rotated between an upper position and a horizontal position and to be moved in the Y-axis direction.

On the right side of the lower frame 7D of the gate type frame 7, a rectangular columnar guide member 49 is provided upright, and the upper portion of the guide member 49 is integrated with the front side of the upper frame 7U. This guide member 4
A rotatable ball screw 51 is supported in the inside 9.
A drive motor 53 is interlocked with the upper portion of the ball screw 51. A nut member is screwed onto the ball screw 51, and the cut piece carry-out conveyor 55 is attached to the nut member.
Is provided.

With the above construction, when the drive motor 53 is driven, the ball screw 51 is rotated and the cut piece carry-out conveyor 55 is moved in the Z-axis direction via the nut member.

As shown in FIG. 4, the cut piece carrying-out conveyor 55 is provided with a frame body frame 57, and inside the frame body frame 57, a plurality of rotatable pieces can be rotated at appropriate intervals along the Y-axis direction. A roller conveyor 59 is supported. A material feeding vise 61 for feeding the cut pieces G to the frame body 57.
Is provided. The material feeding vise 61 is a fixed vise 61F.
And the movable vice 61M.
1M is a fixed vise 6 by a fluid cylinder (not shown).
It is moved in the X-axis direction so that it can move toward and away from 1F,
The cutting piece G is clamped or unclamped.

The material feeding vise 61 is moved in the Y-axis direction by, for example, a fluid cylinder (not shown), and the tip positioning device 63 for positioning the tip of the cutting piece G is fluid (not shown). It can be moved in the Z-axis direction by a cylinder or the like.

As shown in FIG. 4, a work supply device 65 is provided on the side wall of the side frame 7R of the gate type frame 7. This work supply device 6
5 includes a support frame 67 extending in the Y-axis direction, and the support frame 67 is provided on the side wall of the side frame 7R of the gate frame 7.

A plurality of roller conveyors 69 are rotatably supported at appropriate intervals along the Y-axis direction on the support frame 67, and a plurality of material feeding vices 71 are provided at appropriate intervals in the Y-axis direction. ing. Each material feeding vise 71 is composed of a fixed vise 71F and a movable vise 71M. The movable vise 71M is moved toward and away from the fixed vise 71F by a fluid cylinder (not shown) to clamp the work W, or It can be unclamped. Further, each of the feeding vices 71 is configured to be moved in the Y-axis direction by a driving mechanism such as a ball screw or a nut member (not shown).

On the front side of the gate frame 7, as shown in FIG. 1, a work supply / cut piece aligning conveyor 73 is arranged. As the work supply / cut piece alignment conveyor 73, a plurality of (two in this embodiment) belt conveyors 75 are provided at appropriate intervals along the Y-axis direction. Each belt conveyor 75 is driven by the drive roller 7.
7 and a driven roller 79 are provided at an appropriate interval in the X-axis direction, and a belt 81 is wound around the drive roller 77 and the driven roller 79. A drive motor (not shown) is linked to the output shaft of each drive roller 77. Further, a plurality of alignment receivers 83 are provided for placing and aligning the cut pieces G and the works W on the belt 81.

With the above structure, when the drive motor is driven and the drive roller is rotated, the belt 81 is rotated and rotated counterclockwise in FIG. 1, for example.

At the left end of the belt conveyor 75 in FIG. 1, a robot hand 85 is provided at the tip, and a robot 87 is provided which can rotate each arm as indicated by an arrow, for example. Since a specific mechanism for rotating each arm of the robot 87 is already known, detailed description thereof will be omitted. In addition, a storage case 89 for storing the cut pieces G aligned is provided near the robot 87.

A series of operations from the above configuration will be described. First, when the work W is stored in each shelf box 9 of the shelf 3 without operating the vertical band saw machine 5, the work W is stored in each alignment receiver 83 of the belt conveyor 75 from another storage place by a crane or the like. Bring them in and place them one after another. At this time, work W
The front end of is placed so as to project from the left end of the belt 83 of the belt conveyor 75. Next, the gate-shaped frame 7 is moved in the X-axis direction to the position of the work W placed on each of the alignment receivers 83 to position the work supply device 65.

The material feeding vise 71 of the work supply device 65 is set to Y.
After the work W is moved to the front side in the axial direction to clamp the front end of the work W, the material feeding vice 71 is moved to the rear side in the Y-axis direction to supply the work W to the designated shelf box 9 on the shelf 3 and support it. It is supported and stored on the roller 11. In this way, the necessary works W are sequentially stored in each shelf box 9 on the shelf 3. Therefore, the material, size, length, etc. are stored in each shelf box 9 in a known state, and stored and managed in the memory of the control device.

When a specific work W is designated from all the works W in a state where the works W are stored in all of the shelf boxes 9 on the shelf 3, the gate-shaped frame 7 is moved in the X-axis direction and the Z-axis. The vertical band saw machine 5 is positioned on the front side of the designated work W, that is, the shelf box 9 by moving in the direction.

The material feeding vise 37 is attached to the shelf box 9 in the Y-axis direction.
Work W specified by the material sending vise 37 after moving to the side
After clamping the tip of, the material feeding vice 37 is moved to the vertical band saw machine 5 side. The work W is fed by the material feeding vice 37, is placed on the roller conveyor 45, and contacts the tip positioning device 47 to position the tip of the work W.

Next, the body vise 25 and the front vise 2
7 is operated to clamp the work W, and the vertical band saw machine 5 starts cutting the work W. When the cutting process is completed, the tip positioning device 47 rotates and retracts, and the front vice 27 is operated to feed the cut pieces G to the cut piece unloading conveyor 55. The cutting piece carry-out conveyor 55 is set in advance at the same height position as the vertical band saw machine 5.

The cut piece G sent to the cut piece carry-out conveyor 55 is clamped by the feed piece vise 61 and moved to the front side in the Y-axis direction by the feed piece vise 61 so that the tip of the cut piece G is the tip. The positioning device 63 is contacted and positioned. Next, the cut piece unloading conveyor 55 descends to the descending end as shown by the chain double-dashed line in FIGS. That is, the cut piece unloading conveyor 55 is located at the same height as the belt conveyor 75.

By operating the tip positioning device 63 to lower it and moving the material feeding vise 61 to the front side in the Y-axis direction, the cut piece G is moved to the belt conveyor 7.
5 is placed on the alignment receiver 83. When the cut piece G is placed on the alignment receiver 83, the belt conveyor 75 travels as shown by the arrow in FIG. 1 and is stopped almost directly below the robot 87. The robot 87 operates and the cutting piece G is clamped and lifted by the robot hand 85, and the cutting piece G is stored in the storage case 89 by entering the storage case 89 and unclamping the robot hand 85. Become.

In this way, by sequentially designating the works W stored in the shelf box 9 on the shelf 3 and repeating the above-described operation, the necessary work W is hardly set up, and the work box W is not required. From work W
It can be taken out and automatically cut. Therefore, the efficiency and efficiency of the cutting work can be improved.

Further, on the front side of the shelf 3 composed of a plurality of stages and a plurality of rows, a vertical band saw machine 5 movable in the X-axis direction and the Z-axis direction.
By providing the, it is possible to save space in the installation space as compared with the conventional case.

By providing the work supply device 65 on the side wall of the side frame 7R of the gate-shaped frame 7, the work W can be automatically stored on the support roller 11 of each shelf box 9 in the shelf 3. Further, when the work W is stored in each shelf box 9 of the shelf 3, the work W is clamped by the material feeding vice 37 by projecting the front end of the work W by a predetermined distance L and storing the work W easily. And it can be clamped securely.

Since the vertical strip saw machine 5 as a cutting machine is provided with the cutting piece unloading conveyor 55 movable in the Z-axis direction on the front side, the cut pieces G can be automatically and easily carried out. ..

Further, in the present embodiment, the vertical band saw machine was described as an example of the cutting machine, but a horizontal band saw machine, a circular saw machine, or a lathe can also be used. Also,
The example in which the work W stored in the shelf box 9 in the shelf 3 including a plurality of stages and a plurality of rows is taken out and cut by the vertical band saw 5 is explained, but the shelf box in the shelf 3 provided in the vertical direction or the horizontal direction is described. It is also possible to easily take out the work W stored in 9 and cut it.

Furthermore, although an example in which the work W is stored from the front in each shelf box 9 in the shelf 3 having a plurality of stages and a plurality of rows has been described, the work W may be stored from the rear.

In the above-described embodiment, the saw blade housing 33 is moved in the Z-axis direction and positioned in front of a plurality of stages, for example N stages, and then moved in the X-axis direction to move the work W.
Although the example in which the cutting process is performed is described above, for example, as shown in FIG. 5, the height of the saw blade housing 33 is made higher than the height of the shelf 3 without moving the saw blade housing 33 in the Z-axis direction. The cutting process can be performed simply by moving in the X-axis direction while it is fixed.

Further, as shown in FIG. 1, on the right side of the shelf 3, a saw blade changing device 9 for changing the band saw blade 35 is provided.
1, a tool tower 93 accommodating a plurality of band saw blades 35 is arranged, and the band saw blades 35 can be automatically replaced with the saw blade housing 33 moved to the right end position in FIG.

The specific configuration for exchanging the band saw blade 35 between the vertical band saw machine 5 and the tool tower 93 by the saw blade exchanging device 91 is the Japanese Patent Application No. 3-20936 filed by the present applicant.
Although details are given in No. 6, they will be described briefly in this embodiment. That is, as shown in FIG. 6, the vertical band saw machine 5 includes a base 95.
In order to be guided by the guide rail 97 provided on the No. 5, a saw blade housing 33 that is movable in the left-right direction (X-axis direction), that is, the cutting direction in FIG. 6 is provided. The saw blade housing 33 has a wheel mounting portion 33a and a yoke portion 33b. The wheel mounting portion 33a has a driven wheel 99 and a drive wheel 101 in the vertical direction (direction orthogonal to the paper surface in FIG. 6). Each is rotatably mounted about its own central axis and spaced from each other.

The driven wheel 99 and the drive wheel 10
An endless band saw blade 35 is wound around 1 and 1. A wheel driving motor 103 is linked to the driving wheel 101.

With the above configuration, the wheel driving motor 1
When 03 is driven, the drive wheel 101 is rotated. By the rotation of the drive wheel 101, the band saw blade 35
Will travel between the driven wheel 99 and the drive wheel 101.

The band saw blade 35 is provided by a pair of upper and lower saw blade guides 36 provided on one span portion (left side in FIG. 6) between the driven wheel 99 and the drive wheel 101.
By being twisted, the band saw blade 35 is oriented between the saw blade guides 36 at a right angle to the side surface of the work W and cuts. The saw blade guide 36 is retracted so as not to obstruct the band saw blade 35 when the saw blade is replaced.

The saw blade housing 33 includes a nut member 1
No. 05 is attached, and a ball screw 107 extending in the left-right direction in FIG. 6 is screwed into the nut member 105. A drive motor 111 is interlockingly connected to the right side of the ball screw 107 in FIG. 6 via a transmission device 109 including, for example, a pulley and a belt.

With the above structure, when the drive motor 111 is driven, the ball screw 107 is rotated via the transmission device 109. By the rotation of the ball screw 107, the saw blade housing 33 is guided by the guide rail 97 in the left-right direction in FIG.

The drive wheel 101 is a saw blade housing 33.
On the other hand, while the driven wheel 99 is rotatably provided at one position which is immovable, the driven wheel 99 changes the direction in which it is brought into contact with or separated from the drive wheel 101, that is, the distance between the wheels, by a fluid pressure cylinder device (not shown). The driven wheel 99 is provided so as to be movable in any direction, and a predetermined tension is applied to the band saw blade 35 that is bridged between the driven wheel 99 and the drive wheel 101 by the movement of the driven wheel 99, and the release thereof is released. It is like this.

At the rear part of the base 95 (lower part in FIG. 6), a pivot 113, which is a part of the saw blade exchanging device 91, extends in the vertical direction (direction orthogonal to the paper surface in FIG. 6) and is rotatable. It is supported. One end of a handling arm 115 is pivotally connected to the upper part of the pivot 113, and a vertical shaft 117 is provided at the other end of the handling arm 115 so as to be rotatable around its own center line. The vertical shaft 117 extends parallel to the inter-axis direction between the driven wheel 99 and the drive wheel 101, and the vertical shaft 117 is mounted with a handling holder 119 so that it can move up and down by a predetermined amount. Handling holder 119
A handling unit 121 is provided in the.

The handling arm 115 is the pivot 11
3, the saw blade housing 3 having its tip in the retracted position as shown by the chain double-dashed line in FIG.
Saw blade replacement position TS near the wheel mounting portion 33a of No. 3
As shown by the solid line in FIG. 6, it can be rotationally displaced between the saw blade replacement position and the automatic saw blade loading / recovering position ST1. Moreover, the handling arm 115 is connected to the yoke portion 33 of the saw blade housing 33.
For example, the tip end portion has a bowed shape so as to be able to approach the wheel attachment portion 33a while avoiding interference with b. A tool tower 93 is arranged at the automatic saw blade loading / collecting position ST1. As shown in FIG. 7, the concrete structure of the tool tower 93 is, for example, a plurality of adjustment bolts 1 each having a plurality of bodies 123 each having a square cross section on the floor.
It is fixed at 25. A rotatable rigid shaft 127 is supported at the axial center of the body 123. This vertical axis 12
A ring member 131 having shot pin holes 129 is fitted to the shaft 7 at intervals of 90 degrees. Also, the body 12
3, a rotating fluid cylinder (not shown) is attached, and a piston rod 13 mounted on this fluid cylinder is attached.
The tip of 5 is attached to the lower part of the ring member 131.

An indexing ring member 137 is provided on the vertical shaft 127 so as to be vertically movable via a sliding key 139. A shot pin 141 engaged with the shot pin hole 129 is provided at the lower portion of the index ring member 137, and the shot pin 14 at the upper portion of the index ring member 137 is provided.
Another shot pin 143 is provided at a position corresponding to 1.

A shot pin 143 is provided on the body 123.
Is formed at a position corresponding to the shot pin hole 129. A rotary magazine 149 having a regular octagonal cross section, for example, is attached to the upper portion of the vertical shaft 127 via a support plate 147 by extending in the vertical direction in FIG.

Wheels 151U and 151D as band saw blade holding portions for loading and accommodating the band saw blades 35 are provided above and below the four sides of the rotary magazine 149. An L-shaped bracket (not shown) is attached to the lower portion of the rotary magazine 149, and a vertical fluid cylinder (not shown) for moving the index ring member 137 up and down is provided on the bracket. Has been. The index ring member 1 is attached to the lower end of the piston rod attached to the vertical fluid cylinder.
An engagement pin that engages with a groove 137G formed in 37 is provided. A sensor (not shown) is provided on the body 123.

With the above structure, the rotary magazine 149 is replaced by 9
In order to rotate every 0 degree, first, the up / down fluid cylinder is operated to raise the piston rod, and the indexing ring member 137 rises with respect to the vertical shaft 127. As a result, the shot pin 141 is attached to the ring member 131.
And the shot pin 143 is engaged with the shot pin hole 145 of the body 123. In this state, when the fluid cylinder for rotation is operated to extend the piston rod 135 to the stroke end, the rotary magazine 149 is rotated 90 degrees counterclockwise, for example, via the vertical shaft 127.

When the up / down fluid cylinder is operated and the piston rod is lowered, the index ring member 137 is lowered. As a result, the shot pin 143
Is disengaged from the shot pin hole 145, and the shot pin 141 is engaged with the shot pin hole 129. By contracting the piston 135 of the rotating fluid cylinder in this state, the rotary magazine 149 is not rotated and the ring member 131 is returned to the original state. Therefore,
By repeating the above operation, the rotating magazine 149
Can be rotated every 90 degrees.

The rotating magazine 149 has been described as having a quadrangular prism shape, but other polygonal prisms such as a triangular prism, a pentagonal prism, and a hexagonal prism may be used.

As shown in FIG. 6, of the four wheels 151U and 151D, for example, the left side surface indicates the automatic band saw blade loading / recovering position ST1 and the upper surface indicates the manual band saw blade loading / recovering position ST2. At the automatic and manual band saw blade loading / collecting positions ST1 and ST2, the band saw blade 35 is moved to the wheel 151.
It is necessary to remove or hang it from U, 151D. At this time, since it is necessary to loosen the tension of the band saw blade 35, each wheel 151U is attached to the rotary magazine 149.
It is swingable with respect to that of FIG. 7, that is, as shown in FIG.
A fluid cylinder 165 is attached to the upper portion of the body 123 on the ST2 side. A pressing block 169 is provided at the tip of the piston rod 167 attached to the fluid cylinder 165.

On the other hand, one end of the spring 173 is attached to the wheel 151U on each surface of the rotary magazine 149 via a support block (not shown), and the other end of the spring 173 is as shown in FIG. , Is fixed to a bracket 175 attached to the rotating magazine 149. Further, an upper end of a pull rod 179 is attached to the wheel 151U via a support block 177, and a fixed block 181 is provided at a lower end of the pull rod 179 as shown in FIG. A support block 183 is attached to the upper part of the rotary magazine 149, and a wheel 151U is pivotally supported on the support block 183 via a hinge pin 185.

With the above structure, when the fluid cylinder 165 is actuated, the piston rod 167 descends, causing the pressing block 169 to move downward while pressing against the fixed block 181 provided under the pull rod 179. As a result, when the pull rod 179 descends, the wheel 151U at the automatic and manual band saw blade loading / collecting positions ST1 and ST2 is rotated about the hinge pin 185 as a fulcrum, whereby the band saws hung on the wheels 151U and 151D. The tension of the blade 35 will be released. Therefore, when the tension of the band saw blade 35 is loosened, the automatic and manual band saw blade loading and collecting position ST
The band saw blades 35 at 1 and ST2 can be easily removed or mounted.

The handling arm 115 has a pivot 1
The saw blade replacement position TS and the automatic saw blade loading / recovering position ST1 can be rotated about 13 as a rotation center, and the handling holder 119 provided at the tip of the handling arm 115 is rotated. At the saw blade replacement position TS or the automatic saw blade loading / collecting position ST1 of the handling unit 121, the wheel mounting portion 33 of the saw blade housing 33 is provided.
a, the wheels 121U and 121D are arranged to face each other in parallel.

As a concrete configuration of the handling holder 119, as shown in FIGS. 8 and 9, four handling parts 1 are provided above and below the handling holder 119.
A twisting and raising device 229 for twisting and raising the band saw blade 35 is provided on the left side in FIG. 8 in the substantially central portion of the handling holder 119.

The handling holder 119 is vertically divided into two in FIG. That is, the handling holder 119 includes the upper holder 119A and the lower holder 1
19B is connected to the upper holder 119A
An appropriate gap S is formed in the vertical shaft frame 117F supporting the vertical shaft 117. A vertical cylinder 231 is mounted in the upper portion of the lower holder 119B, and the tip of a piston rod 233 mounted on the vertical cylinder 231 is mounted on the lower portion of the vertical shaft 117. A convex spherical seat 23 is provided below the upper holder 119A.
5 is provided and a concave spherical seat 237 is provided on the upper surface of the lower holder 119B corresponding to the spherical seat 235.
Is provided. Therefore, the handling holder 11
9 is prevented from shifting to the left and right and front and back.

With the above structure, when the up / down cylinder 231 is operated to contract the piston rod 233 in FIG. 9, the upper holder 119A is guided by the slide surface 119S and lifted to the upper stroke end (gap S). The lower holder 119B is also raised. The upper holder 119A is raised when the upper holder 11 is raised.
It is adapted to be detected by an upper sensor 239 provided in 9A.

Therefore, when the upper holder 119A is raised, the band saw blade 35 clamped by the handling portion 121 is held by the drive wheel 101.

When the vertical cylinder 231 is operated to extend the piston rod 233, the upper holder 119A is guided by the slide surface 119S and is lowered to the lower stroke end. The lowering of the upper holder 119A is detected by the lower sensor 241 provided in the upper holder 119A. Therefore, the lower holder 119B is lowered as in the state of FIG.
5 separates from the drive wheel 101 and can be easily removed.

A guide member 243 is provided on the upper left side of the upper holder 119A in FIG.
The guide member 243 is provided with a slide member 245 that slides in the vertical direction. This slide member 2
An L-shaped upper saw blade homer 247 is attached to 45. Further, an upper cylinder 249 for an upper saw blade homer is attached to the upper holder 119A, and the slide member 245 is provided at the tip of a piston rod 251 attached to the upper cylinder 249.

When the upper and lower cylinders 249 are operated to raise the piston rod 251, the slide member 245 is guided by the guide member 243 and is raised, so that the upper saw blade homer 247 is raised.
As a result, when the band saw blade 35 is loosened from the driven wheel 99, the band saw blade 35 is prevented from bending upward, for example, at an acute angle so as not to interfere with the flange portion of the driven wheel 99.

Similarly to the above, the guide member 253 is attached to the lower portion of the lower holder 119B, and the slide member 2 which slides in the vertical direction is attached to the guide member 253.
55 is provided. This slide member 255 has L
A letter-shaped lower saw blade homer 257 is attached. An upper and lower cylinder 259 for the lower saw blade homer is attached to the lower holder 119B, and the slide member 255 is provided at the lower end of the piston rod 261 mounted on the upper and lower cylinder 259.

When the upper and lower cylinders 259 are operated and the piston rod 261 is lowered by the above-mentioned structure, the slide member 255 is guided by the guide member 253 and is lowered, so that the lower saw blade homer 257 is lowered.
As a result, when the band saw blade 35 is loosened from the drive wheel 101, the band saw blade 35 is prevented from bending downward, for example, at an acute angle so as not to interfere with the flange portion of the drive wheel 101.

The handling holder 119 is provided with four handling parts 121 on both upper and lower sides. More specifically, as shown in FIG. 8, slide members (not shown) that are slidable in the vertical direction (the direction orthogonal to the paper surface in FIG. 8) are provided above and below the handling holder 119. Two hold shafts 265 that penetrate the slide member and extend in the left-right direction are mounted. An outer clamp piece 267 and an inner clamp piece 269 are mounted as clamps on the left and right sides of each hold shaft 265. Also, the hold shaft 265
A spring retainer 271 is attached to an intermediate portion on both left and right sides of the spring, and a compression coil spring 273 serving as an opening ammunition is provided between the spring retainer 1271 and each inner clamp piece 269. ing. The compression coil springs 273 are biased in directions away from each other. The band saw blade 35 is clamped or unclamped by the cooperative action of the outer and inner clamp pieces 267 and 269.

The band saw blade has a band saw blade 3 like a plate saw.
5 may be used without twisting, but it is generally necessary to guide the saw blade guide 36 in a state where the band saw blade 35 is twisted and raised. Therefore, the handling holder 33
As shown in FIG. 8 and FIG. 9, the twisting and raising device 229 is provided in the. The base 299 of the twisting and raising device 229 is attached to substantially the center of the handling holder 119. The twisting device 299 twists the band saw blade 35.

The operation of mounting the band saw blade 35 selected from the tool tower 93 on the driven wheels 99 and 101 provided on the saw blade housing 33 will be briefly described. The handling arm 115 is rotated to rotate the handling holder. 119 is directed to the automatic saw blade loading and collecting device ST1 of the tool tower 93. At this time, the handling holder 119 is raised upward and the lower saw blade homer 25
7 is in a lowered position. Further, the twisting and raising device 229 is waiting in the escape position. Moreover, the four outer clamp pieces 267 and the inner clamp pieces 269 are open.

Next, the handling arm 115 is moved to the tool tower 93 side, and the outer and inner clamps 26 are
By cooperating 7, 269, the outer and inner clamp pieces 267, 269 are in a state of sandwiching the band saw blade 35 wound around the wheels 151U, 151D.

Therefore, the band saw blade 35 is clamped by the outer clamp piece 267 and the inner clamp piece 269. Wheel 1
Loosen the tension of the band saw blade 35 that is wound around 51U and 151D. In this state, the outer and inner clamp pieces 2
67 and 269 are moved outward by about 15 mm, for example. While lowering the entire handling holder 119, the entire upper and lower saw blade homers 247, 257 are lowered. By returning the handling holder 119 to the original position in this state, the band saw blade 35 is removed from the wheels 151U and 151D.

The handling arm 115 is rotated toward the saw blade housing 33 side to stop at the saw blade replacement position TS and the handling holder 119 is directed toward the saw blade housing 33. In this state, the outer and inner clamp pieces 267,
The band saw blade 35 clamped by 269 is driven and driven by the drive wheels 99 and 101. At this time, the band saw blade 35 is in a state where no tension is applied.
Before this, the twisting and raising device 229 is operated to twist the band saw blade 35 by 60 degrees.

The entire handling holder 119 is raised upward and tension is applied to the band saw blade 35. The twisting device 229 is retracted by about 15 mm, and the saw blade guide 3
Close 6 For example, the twisting device 229 may have a length of 30 mm.
The outer clamp piece 267 and the inner clamp piece 269 are opened and the band saw blade 35 is unclamped while being released to the rear. Then, by returning the handling holder 119 to the original position, the band saw blade 35 is driven and the driving wheels 99, 1 are driven.
It has been attached to 01.

Driven by the band saw blade 35, drive wheels 99, 1
Since the reverse operation of the above-described operation may be performed when automatically removing from 01, detailed description is omitted.

As described above, when the band saw blade 35 is attached to or detached from the driven wheel 99, 101 provided on the saw blade housing 33 of the vertical band saw machine 5, the driven wheel 99 is driven. , 101 multiple clamps at the corresponding positions close to each other (outer and inner clamp pieces 2
67, 269) by providing the handling holder 119 with the handling part 121, the band saw blade 35 is securely and firmly held by the plurality of clamps without swinging, so that the saw blade automatically and efficiently. The blade can be replaced.

The present invention is not limited to the above-described embodiments, but can be implemented in other modes by making appropriate changes.

[0093]

As can be understood from the above description of the embodiments, according to the present invention, since the construction is as set forth in the claims, the front side of the shelf having a plurality of stages and a plurality of rows In addition, a cutting machine is provided so as to be movable at least in the left-right direction, and furthermore, the cutting machine is positioned in front of each appropriately selected shelf, and the work is taken out from the shelf with a material feeding vise and the material is fed to the cutting machine and cut. Since the cutting is done by a machine, the setup work is almost eliminated, and the cutting work can be made efficient and efficient.

Moreover, since the cutting machine is provided movably at least in the left-right direction on the front side of the shelf having a plurality of stages and a plurality of rows, it is possible to save the installation space.

[Brief description of drawings]

FIG. 1 is a perspective view of a cutting device according to an embodiment of the present invention.

FIG. 2 is an enlarged front view of a part of the shelf in FIG.

FIG. 3 is an enlarged view of a portion indicated by an arrow III in FIG.

FIG. 4 is an enlarged view of an IV arrow portion in FIG.

FIG. 5 is another embodiment diagram showing a case where the saw blade housing is made higher than the height of the shelf and is not moved in the vertical direction.

FIG. 6 is a plan view showing a state where the saw blade exchanging device according to the present invention is arranged between the band saw blade and the tool tower.

FIG. 7 is a front sectional view showing an example of a tool tower.

FIG. 8 is an enlarged front view showing the configuration of a handling holder provided at the tip of the handling arm.

9 is a view on arrow IX in FIG.

[Explanation of Codes] 1 Cutting device 3 Shelf 5 Vertical band saw machine (cutting machine) 7 Gate frame 9 Shelf box 11 Support roller (support part) 25 Main body vise 27 Front vise 33 Saw blade housing 35 Band saw blade 37 Feed material vise 47 Tip Positioning Device 55 Cutting Piece Carrying Conveyor 65 Work Supply Device 73 Conveying Work and Cutting Piece Aligning Conveyor

Claims (7)

[Claims] 1. A plurality of stages for storing a work in a support part,
A cutting device comprising a shelf having a plurality of rows, and a cutting machine movable at least in the left-right direction so as to be positioned in front of a position corresponding to each support portion of the shelf. 2. The cutting device according to claim 1, wherein the cutting machine is provided with a material feeding vise that is movable in the front-rear direction and that feeds the work supported by each of the support portions. 3. The cutting device according to claim 1, further comprising a vertically movable cutting piece unloading conveyor for carrying out the cutting pieces cut by the cutting machine, on the front side of the cutting machine. 4. The cutting device according to claim 1, wherein a work is previously projected and supported by a predetermined distance on each of the support portions of the shelf. 5. A work supply device, which is movable in the left-right direction, the up-down direction, and the front-back direction, is provided on the opposite side of the cutting machine so as to store the work in each support portion of the shelf. The cutting device according to claim 1. 6. A work supply / cut piece arranging conveyor for supplying a work to the work supply device or for arranging the cut pieces carried out by the cut piece carry-out conveyor. Claims 3 and 5
The cutting device described. 7. A plurality of shelves are provided in a vertical direction or a left-right direction for storing a work in a support part, and the work is preliminarily projected and supported by a predetermined distance on each of the support parts in the shelf, and each of the shelves is also supported. A cutting machine that can move vertically or horizontally is provided to position on the front side of the position corresponding to each support part, and the cutting machine can move in the front-back direction to feed the work supported by each support part. A cutting device, which is provided with a material feeding vise.