KR102080431B1 - Cutting machine for circular plate - Google Patents

Abstract

The present invention relates to a body frame, and a clamping part for clamping the plate to be rotatably provided at one end of the body frame to be rotatable, and provided at the other end of the body frame to the clamping part. And a cutting portion for cutting and simultaneously rotating the fixed plate.
According to the present invention as described above, it is possible to automatically cut the plate to the desired diameter, as well as to prevent the generation of chips to improve the quality and working environment.

Description

Cutting machine for circular plate

The present invention relates to a cutting device, and more particularly, by rotating and cutting the clamped plate material to be rotatable, it is possible to accurately cut the cutting surface by maintaining a constant cutting rotation speed, to prevent and minimize the generation of by-products It relates to a circular plate cutting device that can improve the working efficiency.

In general, the iron plate is first cut using a press in the cutting factory, the cut iron plate is standardized to a predetermined size, and the steel plate mass produced in this way is transported to the industrial site.

This transported steel sheet is used to cut the second size to the required size once again in the industrial site, and the second cutting method is to cut using a circular chainsaw or torch with the worker wearing protective equipment. have.

However, when cutting using a chainsaw, there was a problem that it is difficult to cut a long length due to the weight of the iron plate, and when cutting using a torch has to rely on manual work, there was a problem that the cut surface is not clean.

In order to overcome this problem, as disclosed in Korean Patent No. 10-1216417, a base is attached to an iron plate using a magnetic material, and then a torch is rotated to cut a circular iron plate.

However, in the conventional cutter, since the cutting surface is uneven due to the rotational speed of the torch or the thermal power of the torch, separate secondary processing was required.

In addition, when cutting by the torch, sparks and debris is generated and scattered, fine dust is increased there is a problem that the working environment worsens.

Therefore, there is an urgent need for the development of a technology for improving the work environment and improving the work efficiency by facilitating the cutting operation and preventing and minimizing the generation of by-products.

Accordingly, the present invention has been devised to solve the above problems, the body frame, a clamping portion for clamping the plate to be rotatably provided to one end of the body frame, the other end of the body frame It is provided with a cutting portion for cutting and rotating at the same time the plate fixed to the clamping portion, including cutting the plate automatically to the desired diameter, as well as cutting the circular plate to prevent the generation of chips to improve quality and working environment It is an object to provide a device.

The present invention for achieving the above object is provided with a body frame, a clamping portion for clamping the plate to be rotatably provided to one end of the body frame, the other end of the body frame is fixed to the clamping portion A cutting portion for cutting and simultaneously rotating the sheet material.

Preferably, the clamping part, the clamp frame is provided to be rotatable on one end of the body frame, the clamp frame is provided to hold the plate to be cut, provided to be rotatable in the clamp frame, and the clamp It includes a clamp driving unit for driving.

The clamp frame may include: a clamp lower frame positioned at an upper end of the body frame; a clamp upper frame positioned at a predetermined interval apart from an upper side of the clamp lower frame; and connecting respective ends of the clamp lower frame and the upper clamp frame. And a clamp connecting frame for installing the clamp lower frame rotatably at one end of the body frame.

In addition, the clamp rotation connection portion, a rotation connection frame provided on one end of the body frame, a rotation connection shaft protruding from the rotation connection frame, a rotation connection frame provided in the clamp lower frame to correspond to the rotation connection shaft , And a rotation bearing for rotatably installing the rotation connection frame to the rotation connection shaft.

The clamp frame is further provided with a rotation knob to rotate based on the clamp rotation connector.

The clamp may correspond to a lower clamp piece provided to be rotatable in a horizontal direction at the other end portion of the lower frame of the clamp so as to support the lower side of the plate, and the lower clamp piece to press the upper side of the plate. And an upper clamp piece, which is provided at the other end of the upper frame so as to be horizontally rotated and movable.

The clamp driving portion moves the upper clamp piece up and down by a cylinder.

The apparatus may further include a clamp moving part configured to move the clamping part in the other end direction from one end of the body frame.

The clamp moving part has a screw thread along an outer circumference, and a clamp moving bar installed at both ends of the clamp frame to be rotatable at one end of the body frame, and a clamp moving block provided at the rotation connecting frame to move along the clamp moving bar. And a clamp driving motor for rotating the clamp moving rod.

In addition, the shake prevention portion for preventing the shaking of the plate material clamped to the clamp, further comprises.

And the anti-shake unit, a pair of guide rods provided in the clamp upper frame in a horizontal direction, anti-shake frame provided to be movable along the pair of guide rods, anti-shake cylinder provided in the anti-shake frame, And an anti-shake roll provided on the rod of the anti-shake cylinder to press the plate which is rotated in the clamp.

The cutting unit may further include a cutting base frame provided at the other end of the body frame, an upper cutting blade provided at the cutting base frame so that the upper cutting blade is positioned on an upper side of the plate clamped to the clamping unit, and the upper cutting blade. And a lower cutting part provided in the cutting base frame so that the lower cutting blade corresponding to the lower cutting blade is positioned under the clamped plate.

And the upper cutting portion, the upper cutting blade for cutting the plate on the upper side of the plate, and the upper drive motor for rotating the upper cutting blade, includes.

In addition, the lower cutting portion, the lower cutting blade for cutting the plate at the lower side of the plate, and a lower drive motor for rotating the lower cutting blade ,.

And one of the upper cutting edge and the lower cutting blade is positioned in the vertical direction to be orthogonal to the surface of the plate, the other is inclined at a certain angle with the one.

In addition, the upper cutting edge and the lower cutting blade is formed at an angle of 130 ~ 170 ° based on any one positioned in the vertical direction.

And a lower position adjusting portion for adjusting the position of the upper cutting portion, and a lower position adjusting portion for adjusting the position of the lower cutting portion.

In addition, the upper end position adjustment portion, the upper end portion is installed, the upper end adjustment frame provided to be movable in the vertical direction along the cutting base frame, and the upper end adjustment cylinder for moving the upper end adjustment frame, Include.

And a second upper end position adjusting portion for moving the upper end portion in a direction opposite to the clamping portion.

In addition, the second upper position adjusting portion, provided between the upper cutting portion and the upper adjusting frame, the second upper adjusting frame provided to be movable in the clamping portion direction or the opposite direction along the upper adjusting frame, and the And a second upper adjustment cylinder for moving the second upper adjustment frame in the direction of the clamping part or vice versa.

And the lower position adjusting portion, the lower cutting portion is installed, it is installed to be inclined, the lower adjusting frame and the lower adjusting frame is provided to be movable in the direction of the clamping portion or the opposite direction along the other end of the body frame And a lower adjustment driving part for moving in the direction opposite to the clamping part.

In addition, the lower adjustment driving unit has a screw thread along the outer periphery, the lower end adjustment driving rods are provided so that both ends are rotatable to the other end of the body frame, provided in the lower adjustment frame to be movable along the lower adjustment driving rod The lower adjustment block, and the lower adjustment motor for rotating the lower adjustment driving rod, it includes.

And a lower angle adjusting unit for adjusting an angle of the lower cutting unit provided in the lower adjusting frame.

In addition, the lower angle control unit is provided between the lower position adjustment unit and the lower control frame, the other end is provided on the lower rotating frame, and the lower control frame provided to be rotatable to the other end of the lower control frame. And a lower rotating cylinder for rotating one end of the lower rotating frame in the vertical direction.

And a second lower position adjusting part for moving the lower cutting part provided in the lower adjusting frame in the clamping part direction or the opposite direction thereof.

In addition, the second lower position adjusting unit is provided between the lower position adjusting unit and the lower adjusting frame, the second lower adjusting frame provided to be movable in the clamping unit direction or the opposite direction along the lower adjusting frame, And a second lower adjustment cylinder for moving the second lower adjustment frame in the direction of the clamping part or vice versa.

As described above, according to the circular plate cutting device according to the present invention, it is a very useful and effective invention to automatically cut the plate to the desired diameter, as well as to prevent the generation of chips to improve the quality and working environment.

1 is a view showing a circular plate cutting device according to the present invention,
2 is a view showing a clamping unit according to the present invention,
3 is a view showing a plan view of a circular plate cutting device according to the present invention,
4 is a view showing a cut portion according to the present invention,
5 is a view showing a state in which the second upper position adjustment unit is further provided with a cutting portion according to the present invention,
Figure 6 is a view showing a state in which the lower end angle adjustment portion and the second upper position adjustment portion is further provided in the cutting portion according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The detailed description, which will be given below with reference to the accompanying drawings, is intended to explain exemplary embodiments of the present invention and is not intended to represent the only embodiments in which the present invention may be practiced. The following detailed description includes specific details in order to provide a thorough understanding of the present invention. However, one of ordinary skill in the art appreciates that the present invention may be practiced without these specific details.

In some instances, well-known structures and devices may be omitted or shown in block diagram form centering on the core functions of the structures and devices in order to avoid obscuring the concepts of the present invention.

Throughout the specification, when a portion is said to "comprising" (or including) a component, this means that it may further include other components, except to exclude other components unless otherwise stated. do. In addition, the term "... part" described in the specification means a unit that processes at least one function or operation. Also, "a" or "an", "one", "the", and the like shall not be construed herein in the context of describing the present invention (particularly in the context of the following claims). Unless otherwise indicated or clearly contradicted by context, it may be used in the sense including both the singular and the plural.

In describing the embodiments of the present disclosure, when it is determined that a detailed description of a known function or configuration may unnecessarily obscure the subject matter of the present disclosure, the detailed description thereof will be omitted. Terms to be described below are terms defined in consideration of functions in the embodiments of the present invention, and may vary according to intentions or customs of users or operators. Therefore, the definition should be made based on the contents throughout the specification.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a view showing a circular plate cutting device according to the present invention, Figure 2 is a view showing a clamping portion according to the present invention, Figure 3 is a plan view showing a circular plate cutting device according to the invention, Figure 4 5 is a view showing a cutting unit according to the present invention, Figure 5 is a view showing a state in which the second upper end position adjusting unit is further provided in the cutting unit according to the present invention, Figure 6 is a lower angle adjustment unit in the cutting unit according to the invention And a second upper position adjusting unit is further illustrated.

As shown in the figure, the circular plate cutting device 10 includes a body frame 100, the clamping portion 200 and the cutting portion 300.

The clamping part 200 is provided at one end of the body frame 100 so as to clamp the plate to be cut so as to be rotatable.

And the cutting unit 300 is provided to the other end of the body frame 100 is provided to rotate and at the same time to cut the plate fixed to the clamping unit 200.

The circular plate cutting device 10 clamps the plate to be cut to the clamping unit 200, and then cuts the plate to the desired diameter by the cutting unit 300.

Here, as the upper cutting edge 322 and the lower cutting edge 332 of the cut portion 300 is rotated in contact with the cutting plate 300 is cut and rotated at the same time.

For this purpose, the clamping unit 200, as shown in Figure 2, includes a clamp frame 210, the clamp 220 and the clamp driving unit 230.

The clamp frame 210 is provided to be rotatable at one end of the body frame 100.

And the clamp 220 is provided on the clamp frame 210 to hold the plate to be cut, provided to be rotatable in the clamp frame (210).

The clamp driver 230 is provided to drive the clamp 220.

Here, the clamp frame 210 includes a clamp lower frame 212, a clamp upper frame 214, a clamp connection frame 216 and a clamp rotation connector 218.

The clamp lower frame 212 is positioned above one end of the body frame 100.

In addition, the clamp upper frame 214 is positioned to be spaced apart at a predetermined interval above the clamp lower frame 212.

The clamp connection frame 216 is provided to connect each end of the clamp lower frame 212 and the clamp upper frame 214.

In addition, the clamp rotation connector 218 is installed so that the clamp lower frame 212 rotatably at one end of the body frame (100).

The clamp rotary connector 218 includes a rotary connecting frame 2182, a rotary connecting shaft 2184, a rotary connecting frame 2186 and a rotary bearing 2188.

Rotating connecting frame 2182 is provided at one end of the body frame (100).

In addition, the rotary connecting shaft 2184 is formed to protrude from the rotary connecting frame 2182.

The rotary connection frame 2186 is provided on the clamp lower frame 212 to correspond to the rotary connection shaft 2184.

In addition, the rotary bearing 2188 is installed to the rotatable connecting frame (2186) to the rotatable connecting shaft (2184).

As shown in FIG. 3, the clamp frame 210 further includes a rotation knob 213 to rotate based on the clamp rotation connector 218.

In addition, the clamp 220 is composed of a lower clamp piece 222 and the upper clamp piece 224.

The lower clamp piece 222 is provided to be rotatable in the horizontal direction at the other end of the clamp lower frame 212 to support the lower side of the plate.

The upper clamp piece 224 corresponds to the lower clamp piece 222 and is horizontally rotated and movable in the other end of the clamp upper frame 214 to press the upper side of the plate.

In addition, the clamp driver 230 moves the upper clamp piece 224 up and down by a cylinder.

Thus, the plate can be clamped between the lower clamp piece 222 and the upper clamp piece 224.

The lower clamp piece 222 and the axis in which the upper clamp piece 224 is rotated may be formed at a position different from the rotation connecting shaft 2184 to displace the position of the clamp 220.

In other words, when the clamp frame 210 is rotated based on the rotation connecting shaft 2184 while the plate is clamped, the plate may be cut into an oval or curved shape.

The clamping part 200 further includes a clamp moving part 240.

The clamp moving part 240 is provided to move the clamping part 200 from one end of the body frame 100 to the other end direction.

The clamp moving part 240 includes a clamp moving rod 242, a clamp moving block 244, and a clamp driving motor 246.

The clamp moving rod 242 has a thread along the outer circumference, and both ends are installed to be rotatable at one end of the body frame 100.

In addition, the clamp moving block 244 is provided on the rotary connection frame 2186 to be movable along the clamp moving rod 242.

The clamp driving motor 246 is provided to rotate the clamp moving rod 242.

In addition, the clamping part 200 further includes a shake prevention part 250.

The shake prevention part 250 is provided to prevent shaking of the plate material clamped to the clamp 220.

The anti-shake 250 includes a guide rod 252, anti-shake frame 254, anti-shake cylinder 256 and anti-shake roll 258.

The guide rods 252 are provided in pairs and are provided in the clamp upper frame 214 in the horizontal direction.

The anti-shake frame 254 is provided to be movable along the pair of guide rods 252.

The anti-shake cylinder 256 is provided in the anti-shake frame 254.

In addition, the anti-shake roll 258 is provided on the rod of the anti-shake cylinder 256 to press the plate rotated in the clamp 220, it is provided to rotate in contact with the surface of the plate.

The anti-shake roll 258 is clamped and cut to prevent shaking of the plate to be rotated to precisely cut the plate to the shape to be cut.

Here, the anti-shake roll 258 may be formed in a spherical shape.

4, the cutting part 300 includes a cutting base frame 310, an upper cutting part 320, and a lower cutting part 330.

Cutting base frame 310 is provided on the other end of the body frame (100).

In addition, the upper cutting portion 320 is provided on the cutting base frame 310 so that the upper cutting edge 322 is located on the upper side of the plate clamped to the clamping portion (200).

The lower cutting part 330 is provided on the cutting base frame 310 such that the lower cutting edge 332 corresponding to the upper cutting edge 322 is positioned below the plate clamped to the clamping part 200.

Here, the upper cutting unit 320 includes an upper cutting blade 322 and the upper drive motor 324.

The upper cutting edge 322 is provided to cut the plate on the upper side of the plate.

And the top drive motor 324 is provided to rotate the top cutting blade 322.

In addition, the lower cutting portion 330 includes a lower cutting blade 332 and the lower drive motor 334.

The lower cutting blade 332 is provided to cut the plate from the lower side of the plate.

And the lower drive motor 334 is provided to rotate the lower cutting blade 332.

One of the upper cutting edge 322 and the lower cutting blade 332 is positioned in the vertical direction to be orthogonal to the surface of the plate, the other is inclined at a predetermined angle with any one.

In one embodiment, the upper cutting edge 322 is positioned in the vertical direction to be orthogonal to the surface of the plate, the lower cutting edge 332 is inclined at a predetermined angle with the upper cutting blade 322.

Here, the upper cutting edge 322 and the lower cutting blade 332 is formed at an angle of 155 ~ 175 °, based on any one positioned in the vertical direction, preferably may be formed at 165 °.

Thus, the plate can be formed cleanly to prevent the chip generation.

In other words, in the conventional cutting, the upper cutting edge 322 and the lower cutting edge 332 is formed at an angle of 180 ° based on the one located in the vertical direction. That is, when both the upper cutting edge 322 and the lower cutting blade 332 is located in the vertical direction to be orthogonal to the surface of the plate, the upper cutting edge 322 positioned vertically to the plate in the process of cutting the plate in a circular shape. The lower cutting edge 332 is due to the cutting friction with the plate material is generated a lot of chips. The chip thus generated is large in size and bulky and has a sharp shape. Workers may be injured in the process of moving to melt the chip, the energy is consumed in the process of melting the chip, the cost is generated.

And since the cutting surface is not clean, there is a problem in that a lot of separate processing is required to increase the working time and cost.

The circular plate cutting device 10 is to make the upper cutting edge 322 and the lower cutting blade 332 at an angle to each other, to prevent the occurrence of chips during cutting of the plate material to solve the above problems to effectively work time and cost Can reduce the work efficiency.

And the cutting unit 300 further includes an upper position adjusting unit 340 and a lower position adjusting unit 350.

The upper position adjusting unit 340 is provided to adjust the position of the upper cutting unit 320.

In addition, the lower position adjusting unit 350 is provided to adjust the position of the lower cutting unit 330.

The upper position adjusting unit 340 includes an upper adjusting frame 342 and an upper adjusting cylinder 344.

The upper control frame 342 is provided with an upper cutting part 320, is provided to be movable in the vertical direction along the cutting base frame 310.

And the upper control cylinder 344 is provided to move the upper control frame 342 in the vertical direction.

In addition, the lower position adjustment unit 350 includes a lower adjustment frame 352 and a lower adjustment driving unit 354.

The lower adjustment frame 352 is provided with a lower cutting portion 330, is installed inclined, is provided to be movable in the clamping portion direction or the opposite direction along the other end of the body frame 100.

And the lower adjustment driving part 354 is provided to move the lower adjustment frame 352 in the clamping direction or the opposite direction.

The lower adjustment driving unit 354 includes a lower adjustment driving rod 3542 and a lower adjustment block 3444 and a lower adjustment motor 3546.

Lower adjustment driving rod (3542) has a thread along the outer periphery, both ends are provided to be rotatable to the other end of the body frame (100).

In addition, the lower adjustment block (3544) is provided on the lower adjustment frame 352 to be movable along the lower adjustment drive bar (3542).

The lower adjustment motor 3546 is provided to rotate the lower adjustment driving rod 3542.

* And as shown in Figure 5, the cut portion 300 further includes a second upper position adjusting portion 360.

The second upper position adjusting part 360 is provided to move the upper cutting part 320 in the clamping part direction or the opposite direction.

The second upper position adjusting unit 360 includes a second upper adjusting frame 362 and a second upper adjusting cylinder 364.

The second upper control frame 362 is provided between the upper cutting portion 320 and the upper control frame 342, it is provided to be movable in the clamping portion direction or the opposite direction along the upper control frame 342.

The second upper adjustment cylinder 364 is provided to move the second upper adjustment frame 362 in the direction of the clamping part or vice versa.

In addition, as shown in FIG. 6, the cutting part 300 further includes a lower angle adjusting part 370.

The lower angle control unit 370 is provided to adjust the angle of the lower cutting unit 330 provided in the lower control frame 352.

The lower angle adjusting unit 370 includes a lower rotating frame 372 and a lower rotating cylinder 374.

The lower rotating frame 372 is provided between the lower position adjusting unit 350 and the lower adjusting frame 352, and the other end is rotatably provided at the other end of the lower adjusting frame 352.

And the lower rotation cylinder 374 is provided in the lower adjustment frame 352 is provided to rotate one end of the lower rotation frame 372 in the vertical direction.

In addition, the cutting unit 300 further includes a second lower position adjusting unit 380.

The second lower position adjusting part 380 is provided to move the lower cutting part 330 provided in the lower adjusting frame 352 in the clamping part direction or the opposite direction thereof.

In addition, the second lower position adjusting unit 380 includes a second lower adjusting frame 382 and a second lower adjusting cylinder 384.

The second lower adjustment frame 382 is provided between the lower position adjustment unit 350 and the lower adjustment frame 352, and is provided to be movable along the lower adjustment frame 352 in the clamping part direction or the opposite direction.

In addition, the second lower adjustment cylinder 384 is provided to move the second lower adjustment frame 382 in the clamping direction or the opposite direction.

* By adjusting the upper cut portion 320 and the lower cut portion 330 respectively, it is possible to easily cut the plate at an angle desired, as well as to prevent the generation of chips.

10: cutting device 100: body frame
200: clamping part 210: clamp frame
220: clamp 230: clamp driving unit
240: clamp moving part 250: shake prevention part
300: cutting unit 310: cutting base frame
320: upper cutout 330: lower cutout
340: upper position adjusting unit 350: lower position adjusting unit
360: second upper position adjusting unit 370: lower angle adjusting unit
380: second lower position adjustment unit

Claims (1)

Body frame 100;
A clamping part 200 provided at one end of the body frame to clamp the plate to be cut rotatably;
And a cutting part 300 provided at the other end of the body frame to rotate and simultaneously cut the plate fixed to the clamping part.
The clamping unit 200,
A clamp frame 210 rotatably provided at one end of the body frame;
A clamp 220 which is provided on the clamp frame to hold a plate to be cut and is rotatable in the clamp frame; And
And a clamp driver 230 for driving the clamp.
The clamp frame 210,
A clamp lower frame 212 positioned above one end of the body frame;
A clamp upper frame 214 positioned to be spaced apart at a predetermined interval above the clamp lower frame;
A clamp connecting frame 216 for connecting each end of the clamp lower frame and the clamp upper frame; And
And a clamp rotation connector 218 for installing the clamp lower frame to be rotatable at one end of the body frame.
The clamp rotation connector 218,
A rotation connection frame 2182 provided at one end of the body frame 100;
A rotary connecting shaft 2184 protruding from the rotary connecting frame 2182;
A rotary connection frame 2186 provided at the lower frame of the clamp 212 so as to correspond to the rotary connection shaft 2184; And
It includes; a rotary bearing (2188) is rotatably installed on the rotary connection frame (2186) to the rotary connection shaft (2184),
The clamp frame 210,
The rotary knob 213 is further provided to rotate the reference to the clamp rotation connector 218,
The cutting unit 300,
Cutting base frame 310 provided on the other end of the body frame;
An upper cutting part 320 provided on the cutting base frame such that the upper cutting blade is positioned above the plate clamped to the clamping part; And
And a lower cutting portion 330 provided in the cutting base frame such that the lower cutting blade corresponding to the upper cutting blade is positioned below the plate clamped to the clamping portion.
The upper cut portion 320,
An upper cutting blade 322 for cutting a plate at an upper side of the plate; And
And; an upper drive motor 324 for rotating the upper cutting blade.
The lower cutting portion 330,
A lower cutting blade 332 for cutting a plate at a lower side of the plate; And
It includes; a lower drive motor 334 for rotating the lower cutting blade,
Any one of the upper cutting edge and the lower cutting blade is positioned in the vertical direction to be orthogonal to the surface of the plate, the other is inclined at a certain angle with the one,
An upper position adjusting unit 340 for adjusting the position of the upper cutting unit; And
Further comprising; a lower position adjusting unit 350 for adjusting the position of the lower cutting portion,
And a second upper position adjusting part 360 for moving the upper cut part in a clamping part direction or the opposite direction thereof.
The upper position adjusting unit 340,
An upper control frame 342 provided to be movable upward and downward along the cutting base frame 310; And
Includes; the top control cylinder 344 for moving the top control frame in the vertical direction
The second upper position adjusting unit 360,
A second upper control frame 362 installed at the upper cutting part 320 and provided at the upper control frame 342 so as to be movable in a clamping direction or an opposite direction along the upper control frame; And
And a second upper control cylinder 364 for moving the second upper control frame in a clamping direction or the opposite direction thereof.
The lower position adjustment unit 350,
A lower adjustment frame 352 provided to be movable in a clamping part direction or an opposite direction along the other end of the body frame; And
And a lower adjustment driving part 354 for moving the lower control frame in a clamping part direction or the opposite direction thereof.
The lower adjustment driving unit 354,
A lower adjustment driving bar 3542 having a screw thread along an outer circumference thereof, and having both ends rotatably provided at the other end of the body frame;
A lower adjustment block 3544 provided on the lower adjustment frame to be movable along the lower adjustment driving rod; And
Includes; a lower adjustment motor (3546) for rotating the lower adjustment drive rods,
Further comprising a lower angle control unit 370, for adjusting the angle of the lower cutting portion,
The lower angle adjustment unit 370,
A lower rotary frame 372 having the other end rotatable at the other end of the lower control frame 352; And
And a lower rotating cylinder 374 provided at the lower control frame to rotate one end of the lower rotating frame in a vertical direction.
The lower cutting portion 330 is installed, and further comprising a second lower position adjusting portion 380 for moving in the direction of the clamping portion or the opposite direction along the lower rotating frame 372,
The second lower position adjusting unit 380,
It is provided between the lower position adjustment unit 350 and the lower adjustment frame 352,
A second lower adjustment frame 382 provided with the lower cutting portion 330 and movable along the lower rotation frame 372 to be movable in the clamping direction or the opposite direction; And
And a second lower adjustment cylinder 384 for moving the second lower adjustment frame in the direction of the clamping part or vice versa.
Further comprising: a shake preventing portion for preventing shaking of the plate clamped in the clamp,
The upper cutting edge and the lower cutting blade is formed at an angle of 155 ~ 175 °, based on any one located in the vertical direction, circular plate cutting device.

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