JPH02145209A - Cutter - Google Patents

Abstract

PURPOSE:To facilitate the sending in of a work and the returning of a remaining material when a material sending vice has retreated at the drive portion of a work sending in roller conveyer provided at the back of the vice which is movable forward and backward and sends the work to a cutter, by driving its driven portion. CONSTITUTION:At a material sending vice 147, a gear 157 is supported at a roller 155A at the rear end out of a plurality of rollers 155, and guiding to a guide bar 149 is made by means of a fluid cylinder 159, and a movement in a forward and backward direction is made, and a work is sent. When the material sending vice 147 is made to move to the rear end, gears 167,157 mesh, and when the roller 13 of a sending in roller conveyer 15 is made to be rotated by means of chains 171,173, rollers 155,155A are rotated, and the work sent by means of the roller 13 of the conveyer 15 is moved onto the material sending vice 147, and then, this vice 147 is advanced, and gears 167,147 are separated, and the work protrudes forward by a fixed quantity. When a fluid cylinder 153 is operated and the work is held pinchingly and the material sending vice 147 is advanced, the work hits a main body vice jaw 175, and a fixed sizing is conducted according to the presence or not of a tip cutting, and the returning of a remaining material becomes easy.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Field of Application) The present invention relates to a cutting machine with an improved material feeding means for feeding a workpiece from a transport roller conveyor to a cutting machine main body.

(Prior art) Conventionally, as a means of transporting a workpiece from an input roller conveyor to the cutting machine main body, the workpiece is transported to the main body vise by a transport roller conveyor, and after cutting, the workpiece is cut by the front vise. One method is to feed the workpiece forward, and the other is to feed the workpiece to the main vise using a feeding vise equipped with a drive roller, perform cutting, and then feed the cut workpiece forward in the front vise. is generally known.

(Problem to be Solved by the Invention) By the way, in the former material feeding method among the conventional techniques described above, the sizing of the cut workpiece (product) and the workpiece to be processed is carried out using the same drive roller. Therefore, if the cutting length is short, the cycle time will be long. Furthermore, since the tip of the workpiece is clamped short, it is difficult to transport long or heavy workpieces, and the structure is expensive.

The latter material feeding method has an expensive structure, and since the bed of the feeding vise must be located below the drive roller, there is a problem that the rigidity of the feeding vise is low and feeding accuracy tends to be low. .

An object of the present invention is to improve the above-mentioned problems by making a material feeding vise equipped with rollers movable back and forth, and interlockingly connecting the material feeding vise with an incoming roller conveyor at the retreating end. To provide a cutting machine that facilitates carrying in and returning leftover materials.

[Structure of the Invention] (Means for Solving the Problems) In order to achieve the above object, the present invention provides a material feeding vise equipped with a roller for feeding a workpiece behind a cutting machine so as to be movable back and forth, A carry-in roller conveyor equipped with a plurality of rollers that can be rotated forward and backward at appropriate intervals in the longitudinal direction to carry the workpiece into the cutting machine is installed behind this material-feeding vise, and is covered with rollers provided at the rear of the material-feeding vise. A driving part was provided, and when the material feeding vise moved to the rearward end, this driven part was operatively connected to the driving part provided at the front part of the conveying roller conveyor, thereby constructing a cutting machine.

(Function) By employing the cutting machine of the present invention, when conveying a workpiece, the material feeding vise is interlocked and connected to the conveying roller conveyor at the retreating end, and the workpiece is conveyed from the conveying roller conveyor via the material feeding vise. By moving the material feeding vise forward, the material feeding vise is automatically separated from the transport roller conveyor and the workpiece is delivered by a certain amount.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

FIG. 11 shows an overall perspective schematic diagram of a line in a horizontal bandsaw machine as a cutting machine. In the eleventh figure, a workpiece loading device 3 is provided behind the horizontal bandsaw machine 1 to carry in a workpiece to be cut by the horizontal bandsaw machine 1. Further, in front of the horizontal bandsaw machine 1, a workpiece unloading device @5 is provided for transporting the workpiece (product) cut by the horizontal bandsaw machine 1.

On the bed 7 of the horizontal bandsaw s1, there is a saw blade housing 9 equipped with a movable saw blade B for cutting the workpiece W.
is swingably provided. Moreover, a bed 11 for a material feeding vise is provided behind the bed 7,
A material feeding vise (device shown) is provided on the bed 11 and is movable back and forth. Further, a main body vise (device shown) for clamping and fixing the workpiece W is provided at the front part of the bed 7.

With the above configuration, the workpiece W transported by the material feeding vise
is clamped and fixed in a body vise, and is cut and processed by the movable saw blade B by lowering the saw blade housing 9 from above to below. In addition, horizontal band I
Since the detailed specific structure of W1 is already known, detailed explanation will be omitted.

The workpiece loading device 3 is provided behind the bed 11 for the material feeding vise, and a plurality of rollers 13 are rotatably mounted at appropriate intervals in the front-rear direction approximately at the center of the workpiece loading device 3. A carry-in roller conveyor 15 is provided.

A plurality of work supply conveyors 17 are provided between each roller 13 of this carry-in roller conveyor 15. The work supply conveyor 17 is divided into, for example, three blocks as shown in FIG.
9.

The first one from the bed 11 side. Second. The work supply conveyors 17A, 178, 170 of the third block are provided, and the work supply conveyor 17A of the first block is provided with three work supply conveyors 17 at appropriate intervals in the front and rear direction. Work supply conveyor 17B
, 17G, two work supply conveyors 17 are provided at appropriate intervals in the front and rear direction.

Support bars 21 are provided in the longitudinal direction of each work supply compeller r17 to divide and place the works W at appropriate intervals. Workpieces W of various shapes and sizes are placed between the support bars 21 from above using a crane or the like.

Work supply conveyor 17 for the first and second blocks
The plurality of supports 23 of the frame 19 in FIG. 1 serve to prevent the workpiece W from falling from the workpiece supply conveyor 17.

A work support table 25 is provided extending in the front-rear direction approximately at the center of the work carry-out bag 'g15. Product tanks 27A and 27B on which workpieces (products) are placed are provided at an angle with this workpiece support table 25 as a boundary. Partition plates 29 are attached to the product tanks 27A and 27B at appropriate intervals in the front and back direction, and small workpieces (products) that have fallen from each partition plate 29 are stored in the space below the partition plates 29. A plurality of product packets 31 can be pulled out.

A guide device 35 extending in the front-rear direction is provided on the frame 33 of the product tank 27B.
A front vise 37 that is movable in the vertical direction (Z-axis direction) is also provided.

That is, the front vise 37 itself is equipped with the X-axis circumferential motor 3.
9. Y-axis circumference shilling 41. A z-axis cylinder 43 is provided, and when the X-axis circumferential motor 39 is driven, the front vise 37 is connected via a transmission member such as a rack and a pinion.
is guided by the guide 45 of the guide device 35 and moved in the X-axis direction.

Further, the front vise 37 is moved in the Y-axis direction when the Y-axis cylinder 41 is operated, and in the Z-axis direction when the Z-axis peripheral cylinder 43 is operated.

With the above configuration, horizontal belt l! The workpiece W (product) cut by ill is held by the front vise 37, and in this state is lifted upward in the Z-axis direction by the two-axis cylinder 43. Next, the front vise 37 is moved to the left in the X-axis direction by the X-axis circumferential motor 39, and is also moved in the Y-axis direction by the Y-axis cylinder 41.

Further, by lowering the workpiece W (one item) held by the front vise 37 downward in the two-axis direction by the two-axis cylinder 43, if it is a small item, it falls into the product packet 31 and is stored, and if it is a large item, it falls into the product packet 31 and is stored. In the case of product tank 27A
Or it is carried out onto 27B.

9 is a plan view in FIG. 11, and FIG. 10 is a sectional view taken along the line XX in FIG. 9.

In FIGS. 9 and 10, the workpiece loading device 3
The plurality of O-rollers 13 of the carry-in roller conveyor 15 are interlocked and connected, for example, by a chain, and can be rotated forward and backward by a drive device (not shown). Further, each work supply conveyor 17 is connected by a shaft 47, and the shaft 47 has a sprocket 49. A pulley 51 is attached. On the other hand, a drive motor 53 is provided on the lower side of the frame 19 in FIG. 10, and a pulley 57 is attached to an output shaft 55 of this drive motor 53. A belt 5 is attached to the pulley 51 and the pulley 57.
9 is wound. On the other hand, each work supply conveyor 17
A sprocket 63 is attached to the driven shaft 61 on the other side of each block. The sprocket 4
A conveyor chain 65 is wound around the sprocket 9 and the sprocket 63.

With the above configuration, when the drive motor 53 is driven, the output shaft 55. Pulley 57. Pulley 51 is rotated via belt 59. When the pulley 51 is rotated, the shaft 47
Sprocket 49 is rotated via. Since the conveyor chain 65 is wound around the sprocket 49 and the sprocket 63, each input roller conveyor 17 is rotated in the same direction. By rotating the drive motor 53 in the forward and reverse directions, each carry-in roller conveyor 1
7 will be reversed.

The carry-in roller conveyor 15 and each work supply conveyor 1
7 and is provided so as to be movable up and down relative to it.

For example, the carry-in roller conveyor 15 is moved up and down with respect to the work supply conveyor 17. That is, as shown in FIGS. 3 and 4, a frame 69A is provided at the bottom of the support table 67 that rotatably supports each roller 13.
and a plurality of frames 69B are integrally provided, and this frame 69A.

69B is supported, for example, on a support plate 71 placed on the floor.

A bracket 73 is integrally attached to the right end of the lower part of the support table 67 in FIG. . A piston rod 79 is attached to the tip of the fluid cylinder 77 so as to be extendable and retractable in the left-right direction in FIG. 3, and the tip of the piston rod 79 is attached to one end of the arm member 81.

The other end of this arm member 81 is pivotally supported by a tip 85A of a mouth-shaped lever 85 through a pin 83.

This lever 85 is rotatably attached to the frame 69A with a pin 87. Furthermore, rollers 89 are supported at both ends of the lever 85.

On the other hand, the plurality of frames 69B include the frame 69A.
A U-shaped lever 93 is rotatably mounted on the bin 91 at approximately the same height as the bin 87 which is pivotally supported. A row 595 is supported at both ends of the lever 93.

Said lever 85. Each lever 93 has a support bar 97.
．． 99 is attached, and this support bar 97
．． 99 is provided with U-shaped support brackets 101 and 103, and these support brackets 101 and 103 are connected by a connection bar 105.

With the above configuration, the state shown in FIGS. 3 and 4 is a state in which the surface of the roller 13 of the carry-in roller conveyor 15 is elevated above the workpiece supply conveyor 17.

In this state, the workpiece W supplied from the workpiece supply conveyor 17 onto the roller 13 of the carry-in roller conveyor 15
will be fed to the horizontal bandsaw machine 1.

In addition, in FIGS. 3 and 4, the fluid cylinder 77
When actuated to retract the piston rod 79, the bottle 83 moves via the arm member 81 to the position shown by the two-dot chain line. When the bottle 83 moves to the position shown by the two-dot chain line, the lever 85 rotates clockwise about the bottle 87, and the row 589 separates from the support plate 71 and rises to the position shown by the two-dot chain line. do.

Since the lever 93 is connected to the lever 85 by a connecting bar 105, the roller 95 supported at the tip of the lever 93
also rises away from the support plate 71. In this state, the support table 67 gradually descends due to its own weight, and the surface of each O-ra 13 sinks below the work supply conveyor 17.

Therefore, the lower side of the work supply conveyor 17 with the carry-in roller conveyor 15 in FIG.
A, and if the upper side is the return side 17B, then the carry-in side 1
t! between each support bar 21 at 7A! Placed workpiece W
can be delivered from the carry-in side 17A to the return side 17B by moving the work supply conveyor 17 from the bottom to the top in FIG. Further, by moving the work supply conveyor 17 from above to below in FIG. 9, the work W can be returned from the return side 17B to the carry-in side 17A. Further, if the workpiece W is sent to the horizontal bandsaw machine 1 by the carry-in roller conveyor 15 and there is any remaining material after cutting, the carry-in roller conveyor 15 is reversed and returned to the workpiece carry-in device 3 side, and then returned. It can be returned to the work supply conveyor 17 on the input side 17B and kept on standby. Therefore, when cutting the remaining material again, the work supply conveyor 17 can be reversed from the return side 17B, placed on the carry-in roller conveyor 15, and sent to the horizontal bandsaw machine 1 side. In this way, it is possible to flexibly deal with various workpieces W regardless of the length or number of the workpieces W.

Work supply conveyor 1 to carry-in roller conveyor 15
It is also possible to correspond by moving 7 up and down. That is, in FIG. 5, the conveyor chain 6 of each work supply conveyor 17 in the carry-in roller conveyor 13 section
5, the axes of conveyor rollers 107 are supported via bars 109 at appropriate intervals. Conveyor roller 10
7 are integrated by an arm member 111. A support block 113 is attached to this arm member 111, and a support plate 1 is attached to this support block 113.
The support bar 21 is attached via 15. Therefore, the work W to be cut is supported between the support bars 21.

Below the conveyor chain 65 in the workpiece supply conveyor 17, an operating bag @117 is provided that allows the workpiece supply conveyor 1717 to move up and down. That is, the fluid cylinder 119 in the actuating device 117 is supported by a frame (not shown) via a bottle 121. A piston rod 123 that can move up and down is attached to the fluid cylinder 119, and the tip of the piston rod 123 is attached to one end of a swing arm 127 with a pin 125. The other end of the swinging arm 127 is pivotably supported by a pin 129.

With the above configuration, when the fluid cylinder 119 in the actuating device 117 is actuated to raise the piston rod 123, the swing arm 127 moves up using the bin 129 as a fulcrum. As a result, as the swing arm 127 rises, the work supply conveyor 17 itself is lifted. Thus, the work supply conveyor 17 rises higher than the carry-in roller conveyor 15. Therefore, in this case, the same effects as those explained in FIGS. 3 and 4 are achieved.

Referring again to FIG. 9, the input roller conveyor 1
5, the support table 67 rotatably supports the roller 13 at the loading side 17 of the work supply conveyor 17.
A has a plurality of positioning bins 13 that can appear and retract at appropriate positions.
1 is provided.

On the other hand, a plurality of width adjustment devices 133 are provided between the rollers 13.

The specific structure of this width adjustment device 133 is shown in FIG.

As shown in FIGS. 7 and 8. That is, in FIG. 6, FIG. 7, and FIG.
It extends in the vertical direction (in the figure). A moving block 137 that is movable in the left-right direction is fitted into this guide member 135. A width adjusting bin 139 is mounted inside the moving block 137 and is movable up and down.

Moreover, a chain 141 is supported at the lower right end of the moving block 137 in FIG. 7, and a sprocket (not shown) is wound around the chain 141, and this sprocket is rotated by a drive motor.

With the above configuration, when the drive motor is driven, the sprocket is rotated. As the sprocket is rotated, the moving block 137 is guided by the guide member 135 via the chain 141 and is moved in the left-right direction.

As shown in FIG. 8, a circumferential groove 143 is formed at the lower end of the width adjustment bin 139, and a spring 14 is provided at the lower end of the moving block 137 to prevent the width adjustment bin 139 from falling. 5 is attached, and the tip of the spring 145 supports the width adjustment pin 139 that was in the circumferential groove 143.

As shown in FIG. 8, a fluid cylinder is provided at the standby position of the width adjustment device 133 (a position below the return side 17B of the work supply conveyor 17) for vertically moving the width adjustment bin 139 vtib. A piston rod 147 that is movable up and down is attached to this fluid cylinder. The tip of the piston rod 147 has the circumferential groove 143.
A U-shaped engagement member 149 that engages with is attached with a screw or the like. Therefore, in the standby position, the circumferential groove 143
Since the engaging member 149 is engaged with the piston rod 147, the piston rod 147 is lowered by operating the fluid cylinder. As a result, the width adjustment bin 139 is lowered and the row 51
3, it will be sunk lower and will be on standby.

The workpiece supply conveyor 17 moves and the workpiece W is transferred to the carry-in side 1.
When the work W is placed on the roller 13 of the carry-in roller conveyor 15 from 7A, a plurality of positioning bins 131 protrude to position the work W. Next, the width adjustment device 13
When the fluid cylinder 3 is actuated, the piston rod 147 rises, causing the width adjustment bin 139 to protrude above the roller 13 as shown in FIG. In this protruded state, as shown in FIG.
43, the width adjustment bin 139 is not allowed to fall.

Furthermore, when the drive motor (not shown) is driven, the moving block 137 moves to the reference plane on the positioning bin 131 side via the sprocket and chain 141 as shown by the arrow in FIG. W is pressed and comes into contact with the positioning bin 131 to be positioned.

After the workpiece W has been positioned, the positioning bin 131 is sunk, and the width adjusting device [133 is returned to the standby position.
and sink into the downward position.

The positioning of the workpiece W in such workpiece loading/unloading N3 can also be performed automatically and easily and accurately.
After positioning, the width adjusting device 133 is always sunk downward, so that interference with other parts can be avoided.

Further, as another method for positioning the work W by supplying the work W from the carry-in side 17A of the work supply conveyor 17 onto the carry-in roller conveyor 15, the positioning bin 131 shown in FIG. It protrudes and becomes a reference surface. Next, it is also possible to position the workpiece W by rotating the workpiece supply conveyor 17 in the reverse direction and placing the workpiece W against the positioning bin 131.

Next, a drive system for moving the material feeding vice 147 in the front-rear direction will be described with reference to FIGS. 1 and 2.

1 and 2, a plurality of guide bars 149 extending in the front-rear direction are provided on the bed 11, and the material feeding vise main body is guided by the guide bars 149 and is movable in the front-rear direction. 151 is installed. The material feeding vice main body 151 is provided with a material feeding vice 147, and this material feeding vice 147 has a fixed material feeding vice job 1.
47A, and a movable material feeding pipe line E1147B that can freely approach and leave the fixed material feeding vice jaw 147A.

This movable material feeding pipe line 3147B is connected to the fluid cylinder 153.
This allows it to move toward and away from the fixed material feeding vice jaw 147A. Further, a plurality of rows 5155 are interlocked and connected to the material feeding vise main body 151 at appropriate intervals in the front-rear direction. A roller 155A provided at the rear end of the plurality of rollers 155 has a gear 1 as a driven portion.
57 is rotatably supported.

A fluid cylinder 159 is provided on the rear side of the bed 11 (right side in FIG. 1, left side in FIG. 2), and a piston rod 161 that is movable in the front and back direction is attached to this fluid cylinder 159. . The tip of the piston rod 161 is attached to the rear end of the material feeding vice main body 151.

With the above configuration, when the fluid cylinder 159 is operated, the material feeding vise body 151 is moved through the piston rod 161.
is guided by the guide bar 149 and moved in the front-back direction, and the workpiece W is fed. Also, the fluid cylinder 153. When actuated, the movable vice jaw 147B moves toward and away from the fixed piezo jaw 147A, allowing it to clamp and release the work W.

A plurality of 〇-513 at the loading entrance-La Combe t15
Among them, rollers 13A and 13B provided on the front end side
2 sprockets 163△, 163B:
165A and 165B are rotatably supported. Further, a gear 167 and a sprocket 169 as a drive unit are coaxially and rotatably supported on the upper part of a support column 11A (see FIG. 2) that is erected on the bed 11.

A chain 171 meshed with each sprocket is wound around the sprockets 163Δ and 165A in order to drive the rollers 13 of the carry-in roller conveyor 15. Also, sprocket 1638.165B and sprocket 16
A chain 173 is wound around 9.

With the above configuration, the material feeding vise main body 151 is placed on the rear end side (the first
When the gear 157 is moved to the right end side in the figure), the gear 157 meshes with the gear 167. As a result, the incoming roller conveyor 15
When the roller 13 of
The workpiece W, which has been rotated and fed by the rollers 13 of the carry-in roller conveyor 15, is roughly transferred onto the feed vice main body 151 by the rollers 155. Next, when the material feeding vise 147 is moved forward, the gear 167 and the gear 147 are separated, and the workpiece W protrudes forward by a certain amount by the material feeding vice 147. At this time, the feed amount can be kept constant depending on the rotation speed of the gear 157.

Further, when the material feeding vise 147 is advanced, the main body fixed pipe thread provided in front of the material feeding vice 147: 11
The workpiece W is applied to the main body vice jaw 175 consisting of the main body movable vice jaw 175B or the front vice 37. At this time, the size is determined depending on whether or not the tip is to be cut. After that, the operation is similar to that of a normal horizontal band saw.

In this way, the material feeding vise 147 is provided so as to be movable in the front and back direction, and when the material feeding vice 147 reaches the retreating end, the material feeding vice 147 and the conveying roller conveyor 15 are interlocked and connected to carry in the workpiece W and carry out the remaining material. can be easily put back in.

When the work W comes onto the rows 515A and 15B provided on the front side of the carry-in roller conveyor 15, the rollers 15A,
A width adjustment roller 177 provided on one side of the rollers 15B operates, and the workpiece W is positioned against a positioning device 179 provided on the other end of the rollers 15A and 15B. In addition,
The positioning device 179 has a handle 181 provided at the top.
Fine adjustments can be made by rotating the . (Refer to FIGS. 1, 2, and 9) In FIG. 9, a 17th auto sensor 183 is installed at the front part of the carry-in side of the roller 13 provided on the rear side of the roller 13A.
A 27th auto sensor 185 is disposed in front of the front roller 155 of the rollers 155A provided in the roller 51, and detects the position of the workpiece W. Further, a remaining material sensor is provided on the rear side of the material feeding vise main body 151. This remaining material sensor may be provided in the oil pan instead of being provided in the material feeding sensor 151.

- Using FIG. 9 and FIG. 10, workpiece W of this example
To give an overview of the loading and unloading operations, first, the workpiece W is placed from above between the support bars 21 on the loading side 17A of the workpiece supply conveyor 17 using a crane or the like.

The work supply conveyor 17 is rotated in the normal direction to transfer the work W onto the rollers 13 of the carry-in roller conveyor 15. At this time, the plurality of positioning bins 131 are raised and protruded from the surface of the support table 67 to serve as a reference surface, and the width adjustment device 13
3 is activated to place the workpiece W against the positioning bin 131, and the workpiece W is positioned.

When the rollers 13 of the carry-in roller conveyor 15 rotate normally and feed the material to the material feeding vise 147, the first foot sensor 183
The leading end of the workpiece W is detected at , and the workpiece W is fed to the feeder vise 147 . When the workpiece W is fed to the material feeding vise 147, it is detected by the 27th auto sensor 185 and then stopped after T seconds. After the width adjustment roller 177 is activated and the workpiece W is brought into contact with the positioning device 179 and positioned, the width adjustment roller 177 returns a little.

The material feeding vise 147 clamps the workpiece W, reduces the speed, and brings the workpiece W into contact with the main body vise 175. Note that fixed-length feeding is performed depending on whether or not tip cutting is performed. Next, the saw blade 8 of the horizontal band machine 1 automatically cuts the set number of pieces.

When the work for 1 station is completed, determine whether the work No. of the 2 stations needs to be the same work W or a new work No. 1, and if there is no need to change the work W, perform the work of 2 stations. .

For example, a remaining material sensor provided in the material feeding vise body 151 detects whether the length of the remaining material of the workpiece W at one station is longer than a preset length ILo. length i
If it is more than o, the main body vise 175 and the material feeding vise 147 are opened, the remaining material is moved backward by the conveyance roller conveyor 15, the work supply conveyor 17 is rotated in the normal direction, and the remaining material is returned to the return side 17B. It will be stored until it is cut again.

In addition, if the remaining material is less than 1o, use the front vise 37
But it sends me forward.

When the cutting system of this embodiment is used, even a work W that has been cut multiple times can be cut as many times as desired by changing the program. Furthermore, it is possible to freely perform urgent cutting or change the cutting order of workpieces using an interrupt program.

Note that this invention is not limited to the embodiments described above, but can be implemented in other forms by making appropriate changes. According to the present invention, since the configuration is as described in the claims, the material feeding vise and the conveying roller conveyor are interlocked and connected at the retreating end of the material feeding vise to carry in the workpiece and carry out the remaining workpiece. Materials can be easily put back in.

[Brief explanation of the drawing]

FIG. 1 shows the main parts of the cutting machine according to the present invention,
9 is an enlarged view of the section shown by the ■ arrow in FIG. 9, FIG. 2 is an enlarged view of the section shown by the ■ arrow in FIG.
Figure 4 is a sectional view taken along the line ■-■ in Figure 3;
The figure shows another embodiment in place of figure 3, and figure 6 shows figure 9.
7 is a cross-sectional view taken along the line ■-■ in FIG. 6, FIG. 8 is a section viewed from the ■ arrow in FIG. 7, and FIG. 9 is a plane view in FIG. 11. 10 is a sectional view taken along the line X--X in FIG. 9, and FIG. 11 is an overall perspective schematic diagram showing lines in a cutting machine according to an embodiment of the present invention. 147... Material feeding vise 151... Material feeding vice body 153... Fluid cylinder 155.155A... Roller 157... Gear 159... Fluid cylinder 1
63A, 183B... Sprocket 165A, 165
B...Sprocket 171.173...Chain agent Patent attorney Yasuo Miyoshi

Claims (1)

[Claims] A material feeding vise equipped with a roller that feeds the workpiece is installed behind the cutting machine so that it can move back and forth, and behind this material feeding vise, the workpiece is transported into the cutting machine. An inlet roller conveyor with rollers is installed,
A driven part is provided on a roller provided at the rear of the material feeding vise, and when the material feeding vise moves to a backward end, this driven part is interlocked and connected to a driving part provided at the front of the transport roller conveyor. A cutting machine that is characterized by the ability to