KR20150064493A

KR20150064493A - Pipe cutting beveling device

Info

Publication number: KR20150064493A
Application number: KR1020130149288A
Authority: KR
Inventors: 이진택
Original assignee: 이진택
Priority date: 2013-12-03
Filing date: 2013-12-03
Publication date: 2015-06-11

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a pipe cutting and chamfering device, and more particularly, to a pipe cutting and chamfering device that cuts a pipe smoothly without cutting a pipe.
According to an aspect of the present invention for achieving the above object, there is provided an electric power steering apparatus including a main body, an operating portion mounted on the main body portion to receive a pipe, a power transmitting portion transmitting power to the operating portion, And a cutting portion for cutting the pipe seated on the operation portion.

Description

[0001] Pipe cutting beveling device [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a pipe cutting and chamfering device, and more particularly, to a pipe cutting and chamfering device that cuts a pipe smoothly without cutting a pipe.

Generally, metal pipes used for heating or other fluid transportation and building structural use are cut after cutting to the proper length through separate cutting equipment in the field.

The conventional pipe cutting apparatus has a structure in which a rotating cutting blade is rotated in a shortened form in a state in which the pipe is fixed.

Such a conventional cutting apparatus requires the user to rotate the handle of the cutting edge with the other hand while the pipe is fixed with one hand, so that a safety accident such as cutting of the hand holding the pipe by the cutting edge frequently occurs .

In addition, the pipe used for the fluid transfer is connected in a state where each end portion is inserted into a sealing material such as a separate oil ring during the connection process between the pipes. Since the end face corner of the pipe cut by the conventional cutting device is rough and sharp, The edge of the end face of the pipe is chamfered to prevent the sealing member from being damaged by the contact with the edge of the pipe end face in the inserting process.

However, since the conventional cutting apparatus has merely a function of cutting the pipe, the chamfering work after cutting the pipe is carried out through a separate apparatus, which lowers the overall efficiency of the pipe working.

Therefore, in order to solve the above-mentioned conventional problems, Korean Utility Model Registration No. 20-0419347, "Pipe cutting device" has been proposed.

In the Utility Model Registration No. 20-0419347, a pipe is fixed by a roller chain in a state of being mounted on a guide roll, and a cutting blade rotated by a separate driving motor in a process of rotating the pipe through the rotation of the guide roll And is cut and brought into contact with each other.

Therefore, since the operator does not have to fix the pipe, it is possible to prevent the safety accident in the work process from occurring, and the pipe is cut while being rotated.

Further, there is an advantage that the cutting edge after cutting the pipe can be replaced with a cutting edge for chamfering, and chamfering of the cutting surface can be continuously performed by the same device.

However, such a conventional technique requires the replacement of the cutting edge frequently for chamfering, so that the replacement operation is troublesome and the position for chamfering after the replacement of the cutting edge must be set. there was.

In addition, there has been a problem that various types of cutting edges for chamfering must be prepared according to the diameter of the pipe to be processed.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-described problems, and it is an object of the present invention to provide a pipe cutting method and a pipe cutting method.

In addition, the present invention aims to provide a portable pipe cutting and chamfering device that is easy to move and can be used regardless of the place.

It is another object of the present invention to provide a portable pipe cutting and chamfering device capable of safely cutting a pipe because the pipe supporting the cutting part is stably supported on the upper part of the operation part.

According to an aspect of the present invention for achieving the above object, there is provided an electric power steering apparatus including a main body, an operating portion mounted on the main body portion to receive a pipe, a power transmitting portion transmitting power to the operating portion, And a cutting portion for cutting the pipe seated on the operation portion.

Here, the main body includes a body formed with a space on the inside, a fixture protruding to an upper end on both sides of the upper part, and a pair of mounting holes protruding upward from the rear part.

At this time, a seating groove is formed at a central portion of the fixture so that an upper portion thereof is opened.

Furthermore, the main body is further formed with a blocking plate on the other side where the mounting hole is formed.

In addition, the actuating part is provided with a pair of main rollers having both ends connected to a fastener formed on the main body of the main body, and a main sprocket is provided on one side.

The power transmission unit may include a drive motor installed inside the body of the main body, a drive sprocket provided on the motor shaft of the drive motor, and a chain connecting the drive sprocket and the driven sprocket of the operation unit. .

Here, a guide sprocket for guiding a chain to which a pair of driven sprockets are connected is provided on the inside of the body, and a pressing sprocket for pressing the chain is provided.

The supporting portion is provided in any one of a pair of mounting holes formed in a main body of the main body. The supporting portion is provided with a first elevating member at the lower end of the mounting hole. The supporting portion is fixed to the upper portion of the first elevating member, A first screw shaft is provided, a first handle is provided on the first screw shaft, and a supporting roller installed on the first elevating member is provided.

The cut-off portion may be provided in any one of a pair of mounting holes formed in the body of the body portion, and the second lift member may be provided so as to protrude downward. The cutting portion may be fixed to the upper portion of the second lift member, A second screw shaft is provided, a second handle is provided on an upper portion of the second screw shaft, and a cutting blade is provided on the second lift member.

Here, the cutting edge is a cemented carbide.

Further, the cutting edge is characterized by being formed with an inclination angle of 10-45 °.

Meanwhile, the main body of the main body is further provided with an operation button.

The present invention thus constituted has the effect of enabling the cutting of the pipe during the cutting process of the pipe and the cutting and cutting of the pipe to be cut smoothly so that sharp surfaces are not generated.

Further, the present invention is a portable pipe cutting and chamfering device, which is easy to move and has an effect of being usable without any place.

Further, the present invention is a portable pipe cutting and chamfering device, which has a supporting part on the upper part of the operating part to stably support a pipe cutting operation, so that the pipe can be cut safely.

1 is a perspective view showing a pipe cutting and chamfering apparatus according to the present invention.
2 is a front view showing a pipe cutting and chamfering device according to the present invention.
3 is a side view showing a pipe cutting and chamfering device according to the present invention.
4 is a view showing a power transmitting portion of the present invention.
Figure 5 shows the support of the present invention.
6 is a view showing a cutting portion of the present invention.
FIGS. 7A and 7B are diagrams showing the working relationship of the pipe cutting chamfering device according to the present invention; FIG.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a pipe cutting and chamfering apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a pipe cutting and chamfering device according to the present invention, FIG. 2 is a front view showing a pipe cutting chamfering device according to the present invention, FIG. 3 is a side view showing a pipe cutting chamfering device according to the present invention, FIG. 5 is a view showing a support portion of the present invention, and FIG. 6 is a view showing a cut portion of the present invention.

1 to 6, a pipe cutting and chamfering apparatus 100 according to the present invention includes a main body 110, an operation unit (not shown) installed on the main body 110 to rotate the pipe P A power transmitting portion 310 for transmitting power to the operating portion 210 and a supporting portion 410 for pressing and supporting the upper portion of the pipe P rotated by the operating portion 210, And a cutting portion 510 for cutting the pipe P which is rotated by the operation portion 210.

Here, the main body 110 includes a main body 112 having a space formed on its inner side, a fixture 114 formed to correspond to both ends of the upper end thereof, and a handle 116 formed on both sides thereof.

At this time, a space is formed on the inside of the fixture 114 formed at one side of the fixtures 114 provided at both upper ends of the main body 112, and a seating groove 114a is formed at the center of each fixture 114 .

That is, the inside of the fixture 114 having a space formed in the inner side of the fixture 114 provided on both sides of the main body 112 is formed to communicate with the inner space of the main body 112.

Further, on both sides of the rear portion of the main body 112, a pair of mounting holes 118 are formed so as to protrude upward and formed into a letter "A" shape.

In addition, a cover member 130 covering the lower portion of the main body 112 is provided. A plurality of through holes 132 are formed in the cover member 130, and legs 134 are provided under the respective corners.

Further, a blocking plate 120 protruding upward is further provided on the upper surface of the upper end of the main body 110, that is, the other side of the other side where the mounting hole 118 is formed.

The actuating part 210 is provided with a pair of main rollers 212 on the same line so that both ends of the actuating part 210 are rotatably coupled to the fixing part 114 formed on the upper part of the main body 112 in correspondence with each other.

A driven sprocket 214 is provided at one end of the main roller 212, that is, at an end located inside the fixture 114.

At this time, the driven sprocket 214 is rotatably connected to the fixture 114 by a bearing (not shown).

The power transmission unit 310 is installed inside the main body 112 and includes a driving motor 312 having a driving sprocket 314 on the motor shaft.

A chain 316 connecting the driven sprocket 214 and the drive sprocket 314 provided on the main roller 212 of the actuating part 210 is provided.

A guide sprocket 318 is installed inside the main body 112 and guides the chain 316 to be connected to a driven sprocket 214 provided in a pair of main rollers 212.

A pressing sprocket 320 is provided inside the main body 112 to press the chain 316 to maintain the engaged state of the chain 316 with the driven sprue 214.

Accordingly, the driven sprocket 214 connected to each other by the chain 316 is rotated by the operation of the driving motor 312 and the main roller 212 is rotated. At the same time, The pipe P is rotated.

The support portion 410 is provided with a first elevating member 412 so as to be raised and lowered below a lower portion of one of the pair of mounting portions 118 formed on the upper portion of the main body 112.

That is, a guide groove 118a is formed in the vertical direction inside the mounting hole 118, and the first elevating member 412 is coupled to the guide groove 118a to perform an elevating operation.

Here, a support roller 414 is provided at a lower end portion of the first elevating member 412 so as to be pivotally supported to press the upper portion of the pipe P seated on the upper portion of the main roller 212.

The lower portion of the first elevating member 412 is fixed to the upper portion of the first elevating member 412 and the upper portion of the first elevating member 412 is protruded to the upper portion of the first elevating member 412 A first screw shaft 416 is provided.

In addition, a first handle 418 for operating the first screw shaft 416 is provided on the first screw shaft 416.

Accordingly, when the first handle 418 is rotated in one direction, the first lift member 412 provided on the first screw shaft 416 descends and the pipe P mounted on the upper portion of the main roller 212 The first elevating member 412 moves upward and presses the upper portion of the pipe P when the first handle 418 is rotated in the opposite direction, 414 are released from the pressurized state.

The cutter 510 includes a second lift member 512 mounted on the other attachment hole 118 provided on the upper portion of the main body 112 and having a pair of support portions 410 for moving up and down Respectively.

That is, a guide groove 118b is formed in a vertical direction inside the mounting hole 118, and a second elevating member 512 is coupled to the guide groove 118b to perform an elevating operation.

Here, a cutting edge 514 for cutting the pipe P is rotatably provided at a lower end of the second elevation member 512.

Further, the cutting blade 514 is made of a hard metal material, and the outer side has an inclined surface 514a. The inclined surface 514a is formed at an inclination angle of 10-45 °.

In this case, when the inclined surface 514a of the cutting edge 514 is formed to be less than 10 degrees, the contact area between the cut surface of the pipe P and the inclined surface 514a is small, If the inclined surface 514a is formed at 45 degrees or more because the surface can not be properly removed, the contact surface between the cut surface of the pipe P and the inclined surface 514a becomes large and the pipe P is not cut properly.

The lower portion of the second elevating member 512 is rotatably coupled to the upper portion of the second elevating member 512 and the upper portion of the second elevating member 512 is protruded to the upper portion of the mounting hole 118 And a second screw shaft 516 having a second handle 518 at an upper end thereof.

Therefore, when the second handle 518 is rotated in one direction, the second elevating member 512 descends and is seated on the main roller 212, and the rotating pipe P contacts the cutting blade 514, When the second handle 518 is rotated in the opposite direction, the second elevation member 512 rises to the upper part and the contact between the pipe P and the cutting blade 514 is released.

An operation button 610 for operating the pipe cutting and chamfering apparatus 100 is provided on the main body 112 of the main body 110.

The operation of the pipe cutting and chamfering apparatus according to the present invention will now be described.

FIGS. 7A and 7B are diagrams showing the operational relationship of the pipe cutting and chamfering apparatus according to the present invention. FIG.

As shown in the drawing, the pipe cutting and chamfering apparatus 100 according to the present invention first rotates the first handle 418 in a state in which a pipe P to be cut is seated on the pair of main rollers 212, The first elevating member 412 is lowered to support the upper portion of the pipe P mounted on the upper portion of the main roller 212 by the supporting roller 414. [

When the drive motor 312 is operated in this state, power is transmitted to the main roller 212 by the chain 316 to rotate the main roller 212. By the rotation of the main roller 212, The pipe P seated on the upper portion of the roller 212 rotates.

At this time, the support roller 414 for pressing and supporting the upper portion of the pipe P when the pipe P rotates rotates by the pipe P to support the upper portion of the pipe P.

The second lift member 512 is lowered by operating the second handle 518 in a state where the pipe P mounted on the upper portion of the main roller 212 rotates, So that the pipe P is cut while rotating in the opposite direction.

At this time, when the pipe P is cut by the cutting blade 514, the inclined surface 514a of the cutting blade 514 contacts the cut surface of the pipe P, .

The pipe P is cut by using the cutting edge 514 and the cutting face of the pipe P is polished by the inclined face 514a of the cutting edge 514, The surface of the substrate P is kept clean.

After the pipe P is cut by the cutting blade 514, the second handle 518 is rotated in the opposite direction to raise the cutting blade 514 and the first handle 418 is moved in the opposite direction And the support roller 414 is raised upward, the pipe P can be easily drawn out from the main roller 212.

By cutting the pipe P in this manner, it is possible to prevent a safety accident from occurring when the pipe P is cut, and it is possible to prevent the pipe P from being subjected to secondary cutting after the pipe P is cut, Can be omitted.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but variations and modifications may be made without departing from the scope of the present invention. And is also within the scope of the present invention.

100: pipe cutting and chamfering device 110; The body portion
112: main body 114: fastener
114a: seating groove 116: handle
118: installation hole 118a, 118b: guide groove
120:
130: cover member 132: through hole
134: legs 210:
212: main roller 214:
310: Power transmission unit 312: Drive motor
314: drive sprocket 316: chain
318: guide sprocket 320: pressure sprocket
410: Support part 412: First elevating member
414: Support roller 416: First screw shaft
418; First handle 510:
512: second lift member 514; Cutting blade
514a: Slope 516: Second screw shaft
518: second handle 610: operation button
P: pipe

Claims

A body portion,
An operation part installed on the main body part to seat the pipe,
A power transmission unit that transmits power to the operation unit,
A support portion for press-supporting the pipe seated on the operation portion,
And a cutting portion for cutting the pipe seated on the operating portion.

The method according to claim 1,
Wherein the main body is formed with a space formed on an inner side thereof, and a fixing member protruding to an upper end is formed on both sides of the upper portion and a pair of mounting holes protruded upward from the rear are formed.

3. The method of claim 2,
And a seating groove is formed at a central portion of the fixture so that an upper portion thereof is opened.

3. The method of claim 2,
Wherein the main body is further formed with a blocking plate on the other side where the mounting hole is formed.

The method according to claim 1,
Wherein the actuating part is provided with a pair of main rollers having both ends connected to a fastener formed in a main body of the main body and having a main sprocket on one side thereof.

The method according to claim 1,
Wherein the power transmission portion is provided with a drive motor provided inside the main body of the main body,
A drive sprocket is provided on a motor shaft of the drive motor,
And a chain connecting the drive sprocket and the driven sprocket of the operating part to each other.

The method according to claim 6,
Wherein a guide sprocket for guiding a chain to which a pair of driven sprockets are connected is provided on the inside of the main body, and a pressing sprocket for pressing the chain is provided.

The method according to claim 1,
The supporting portion is provided in any one of a pair of mounting holes formed in the main body of the main body. The supporting portion is provided with a first elevating member at the lower end of the mounting hole. The first elevating member is fixed to the upper portion of the first elevating member, Wherein a first handle is provided on an upper portion of the first screw shaft,
And a supporting roller installed on the first elevating member.

The method according to claim 1,
The cut-off portion is provided on one of a pair of mounting holes formed in a main body of the main body, and is provided with a second elevating member protruding downward. The second cutting member is fixed to the upper portion of the second elevating member, And a second handle is provided on an upper portion of the second screw shaft,
Wherein the second elevating member is provided with a cutting blade.

10. The method of claim 9,
Wherein the cutting blade is a cemented carbide.

10. The method of claim 9,
Wherein the cutting blade has an inclination angle of 10-45 degrees.

The method according to claim 1,
Wherein the body of the main body further comprises an operation button.