KR20110090446A - Cutting apparatus for ring pipe - Google Patents

Cutting apparatus for ring pipe Download PDF

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Publication number
KR20110090446A
KR20110090446A KR1020100010219A KR20100010219A KR20110090446A KR 20110090446 A KR20110090446 A KR 20110090446A KR 1020100010219 A KR1020100010219 A KR 1020100010219A KR 20100010219 A KR20100010219 A KR 20100010219A KR 20110090446 A KR20110090446 A KR 20110090446A
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KR
South Korea
Prior art keywords
ring pipe
coupled
circular saw
hydraulic cylinder
expansion
Prior art date
Application number
KR1020100010219A
Other languages
Korean (ko)
Inventor
한상호
Original Assignee
광명산업(주)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 광명산업(주) filed Critical 광명산업(주)
Priority to KR1020100010219A priority Critical patent/KR20110090446A/en
Publication of KR20110090446A publication Critical patent/KR20110090446A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
    • B23D45/02—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock mounted on a carriage
    • B23D45/021—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock mounted on a carriage with the saw blade mounted on a carriage
    • B23D45/022—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock mounted on a carriage with the saw blade mounted on a carriage the carriage performing a vertical movement only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
    • B23D45/12—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade for cutting tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
    • B23D47/02—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of frames; of guiding arrangements for work-table or saw-carrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
    • B23D47/04—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for feeding, positioning, clamping, or rotating work

Abstract

PURPOSE: A ring pipe cutting device is provided to easily cut the single-side of the ring pipe through the circular saw of the ring pipe cutting portion after the tubular pin of the ring pipe expanding portion pipe-expands the ring pipe. CONSTITUTION: A ring pipe cutting device comprises a base frame(100), a base(110), a ring pipe fixing portion(200), a ring pipe expanding portion(300), and a ring pipe cutting portion(400). The base is coupled in the top of the base frame and has a base hole. The ring pipe fixing portion comprises a plurality of fixing chucks(210) and a plurality of clamping portions(220, 230, 240). The fixing chucks are installed in the upper side of the base and fix the ring pipe. The clamping portions pressurize the fixed ring pipe. The tubular pin of the ring pipe expanding portion pipe-expands the ring pipe fixed to the fixing chuck. The tubular pin is reciprocated up and down. The ring pipe cutting portion comprises a circular saw(460) and a circular saw transferring hydraulic cylinder(420). The circular saw is rotated and cuts the ring pipe fixed to the ring pipe fixing portion. The circular saw transferring hydraulic cylinder reciprocates up and down the rotating circular saw.

Description

Ring pipe cutting device {CUTTING APPARATUS FOR RING PIPE}

The present invention relates to a ring pipe cutting device, and more particularly, to a ring pipe cutting device for fixing a ring pipe and cutting one surface of the fixed ring pipe with a circular saw.

In order to cut, ie, cut the ring pipe, which is wound several times, used for automobiles to a desired length and shape, the ring pipe is placed on a flat floor or a shelf, and then fixed with a clamp or the like.

Then, using a cutting machine such as a string saw or a rotary saw, the cutting machine is placed in a position to be cut in a ring pipe wound around several times, and then the ring pipe is cut.

However, when cutting such a ring pipe, the operator directly cuts the ring pipe by cutting the ring pipe, so that it is very difficult to cut the ring pipe at the correct position, as well as the cutting surface of the ring pipe is not constant. Not only the defective rate is increased due to the cutting operation of the pipe but also the manufacturing cost is increased due to material loss, labor cost, and work cost increase due to the high defective rate.

Therefore, the cutting work of the ring pipe has a problem that the work efficiency due to the cutting work of the ring pipe, such as work time or loss of manpower is generated as the work is progressed by a skilled worker rather than an unskilled person.

In addition, when cutting the ring pipe, the worker wears protective equipment such as a helmet and protective gloves in preparation for a safety accident, and then cuts by the heavy and cumbersome protective equipment as well as making the cutting work very inconvenient. Workers and third parties around the cutting work are always exposed to the risk of safety accidents due to splashing flames generated when the ring pipe is cut by the cutting machine.

In addition, as the scrap generated when cutting the ring pipe is scattered and scattered around the work site, the surrounding environment is not clean, as a result of the scattering of the work area surrounding the cutting ring pipe, as well as the worker's work. The work environment was also very poor.

The present invention has been proposed to solve the problems in the prior art as described above, to provide a ring pipe cutting device having a circular saw for cutting one side of the ring pipe wound several times to the ring pipe cutting device As well as fixing the ring pipe so as not to move, by the ring pipe cutting device as one side of the fixed ring pipe is automatically cut in the longitudinal direction while moving downwards at the same time as the rotary circular saw blade of the ring pipe cutting device rotates The purpose of the cutting operation of the ring pipe is easier and easier, as well as the purpose of cutting while maintaining a constant cutting surface of the ring pipe at the precise cutting position of the ring pipe.

In addition, according to the present invention, as the cutting pipe is cut by the ring pipe cutting device, any worker can be easily operated without the need for a skilled worker, thereby reducing work time, manpower loss, and work cost. The purpose is to reduce the unit cost.

In addition, the present invention is not only to prevent the safety accident due to the cutting operation of the ring pipe due to the cutting operation of the ring pipe in a state in which the worker is far away after fixing the ring pipe to the ring pipe cutting device in addition to the ring The purpose is to improve the working environment because the surroundings of the workplace are kept clean and clean by collecting and removing scraps generated when cutting the ring pipe in a pipe cutting device.

The present invention for achieving the above object, the base frame is installed on the floor; A base having a base hole coupled to an upper portion of the base frame; A ring pipe fixing part provided on an upper surface of the base and having a plurality of fixing chucks for fixing the ring pipe, and a plurality of clamping parts on the outside of the fixing chuck to pressurize the fixed ring pipe without flow; A ring pipe expansion part installed at a lower portion of the base frame and having an expansion pipe reciprocating in a vertical direction to expand the ring pipes fixed to the respective fixed chucks; Ring pipe cutting provided with a circular saw rotated to cut a ring pipe fixed to the ring pipe fixing portion is installed on one side of the base and a circular saw feed hydraulic cylinder for reciprocating the rotating circular saw in the vertical direction Provided is a ring pipe cutting device, characterized in that consisting of.

The present invention also provides a ring pipe cutting device, characterized in that the side of the base frame is coupled to the scrap receiving to collect the scrap generated while the ring pipe is cut by the circular saw of the ring pipe cut portion.

In addition, the present invention is characterized in that the fixing chuck of the ring pipe fixing part is opened by the expansion pipe pin of the ring pipe expansion part, while at least four or more are installed to fix the diameter of the ring pipe as well as to fix the ring pipe. A ring pipe cutting device is provided.

In addition, the present invention, the fixed chuck of the ring pipe fixing portion, the inner surface in contact with the outer surface of the expansion pipe inclined at an angle as well as the exchange block base having a "T" shaped engaging protrusion on the upper surface, and the exchange block A fixed block having a "T" shaped coupling groove in which a coupling protrusion detachably coupled to the exchange block base is inserted into and detachably coupled to the upper surface of the base so as to be replaceable according to the diameter and extent of the ring pipe; The guide is coupled to the guide rail coupled to the upper surface of the base slidably as well as the guide coupled to the lower surface of the exchange block base to reciprocate along the guide rail, and coupled to the upper surface of the base It is coupled to one side of the exchange block base to prevent the removal of the return spring inserted into the exchange block base and the return A ring pipe cutting device is provided, comprising a return spring guide for returning the exchange block base to its original position by a spring.

In addition, the present invention, the clamping portion of the ring pipe fixing portion, the center hydraulic cylinder and the center pressurizing member for axially coupled to the center hydraulic cylinder and pressurizes the outer surface of the ring pipe fixed to the fixed chuck while reciprocating by the center hydraulic cylinder and The center clamping unit is provided with a center urethane foaming agent which is coupled to one surface of the center pressurizing member which is the ring pipe side and absorbs an impact, and a pressure-adjusting proximity sensor coupled to the center pressurizing member to adjust the pressing force of the center pressurizing member. One side pressurizing member on one side of the center clamping portion and the one side hydraulic cylinder and the one side hydraulic member connected to the shaft of the one side hydraulic cylinder to press the outer surface of the ring pipe fixed to the fixed chuck while rotating about the hinge axis by one side hydraulic cylinder, One side urethane foaming agent which is coupled to one surface of one side pressing member which is the ring pipe side to absorb shock One side clamping part is provided, and the other side of the center clamping part is connected to the other hydraulic cylinder and the shaft of the other hydraulic cylinder, and rotates about the hinge axis by the other hydraulic cylinder while the other side of the ring pipe fixed to the fixed chuck is fixed to the other side. A ring pipe cutting device is provided, wherein the other side clamping part is coupled to one side of the other side pressing member pressurized by the other side, and the other side urethane foam agent is coupled to one surface of the other side pressing member which is the ring pipe side.

In another aspect, the present invention is provided with a ring pipe cutting device, characterized in that the anti-rotation unit is installed on one side of each of the pressing member and the other side of the clamping portion to prevent the pressing member from moving out of the rotation range.

In another aspect, the present invention, the ring pipe expansion pipe, the "H" shaped expansion pipe support member having a through-groove on one side coupled to the lower portion of the base frame, the Shanghai hydraulic oil pressure cylinder coupled to the expansion pipe support member; A position adjusting block having a position adjusting piece axially coupled to the shanghai transport hydraulic cylinder and inserted into the through groove so as to reciprocate in the vertical direction by the shanghai transport hydraulic cylinder, and coupled to an upper portion of the position adjusting block; The expansion pin reciprocating along the control block in the vertical direction, as well as the expansion pin for expanding the ring pipe while pushing each fixing chuck of the ring pipe fixing portion, and is coupled to the upper side of one side of the expansion pipe support member to adjust the position of the positioning block Operation of the Shanghai hydraulic cylinder to detect the rising position of the expansion pin by contact with the piece and to prevent it from moving out of the rising range of the expansion pin. Expansion pin and the stop stop limit switch to control the lower end of the expansion pin rising stop limit switch is coupled to the lower side of the one side of the expansion support member to detect the falling position of the expansion pin by contact with the positioning member Ring pipe cutting device is provided, characterized in that consisting of expansion pin falling stop limit switch for controlling the operation of the Shanghai hydraulic cylinder to prevent falling out of the falling range of the expansion pipe.

In another aspect, the present invention is provided with a ring pipe cutting device, characterized in that the outer peripheral surface of the expansion pipe pin is formed so that the outer diameter gradually decreases from the lower side to the upper side.

In another aspect, the present invention, the ring pipe cut portion, the cutting portion support member provided with a shanghai song rail on the front surface to be coupled to the upper surface of the base, a circular saw feed hydraulic cylinder coupled to the upper portion of the cutting portion support member, and the cutting Located in front of the secondary supporting member as well as the shaft box coupled to the circular saw feed hydraulic cylinder gear box for reciprocating up and down along the Shanghai Song Rail by the circular saw feed hydraulic cylinder, and is installed on the top of the gear box A rotary motor for generating a rotational force, and a circular saw rotatably coupled to one side of the gearbox so as to receive the rotational force of the rotational motor through the gearbox to rotate and to cut the ring pipe fixed to the ring pipe fixing part; And a switching piece coupled to one side of the gear box, and coupled to one side of the cutting part support member to reciprocate. It is composed of a plurality of limit switches for controlling the operation of the circular saw feed hydraulic cylinder to detect the feed rate of the circular saw as well as to prevent the outside of the circular saw rises and falls while contacting the switching piece of the box. A ring pipe cutting device is provided.

In another aspect, the present invention, the coupling between the shaft of the circular saw feed hydraulic cylinder and the gear box, the coupling groove is formed on the front of the cutting portion supporting member, the rear of the gear box is inserted into the coupling groove in the cutting portion supporting member Positioning shaft is coupled, the shaft portion is provided with a ring pipe cutting device characterized in that the shaft hole is formed is inserted into the shaft of the circular saw feed hydraulic cylinder.

In another aspect, the present invention, the transmission of the rotational force of the rotary motor to the gearbox, the first pulley is rotatably coupled to the rotation motor, the second pulley is rotatably coupled to the gearbox, the first pulley And the second pulley is provided with a ring pipe cutting device, characterized in that connected to the connection belt.

In addition, the present invention, each limit switch is coupled to the upper side of the one side of the cutting portion support member is in contact with the switching piece of the gearbox moving upwards to detect that the gearbox is out of the rising position and the rising range of the circular saw A circular saw rising stop limit switch, coupled to the lower side of one side of the cutting part supporting member and in contact with a switching piece of a gearbox moving downward to sense that the gearbox falls out of a falling position and a falling range of the circular saw. Coupled to one side of a cutting part support member between the circular saw lowering stop limit switch and the circular saw lowering stop limit switch and the circular saw lowering stop limit switch to move the gearbox moving upward and downward. Ring pipe cutting station, characterized by a circular saw feedrate detection limit switch for sensing and adjusting It is provided.

In addition, the present invention, the outer ring of the circular saw and the outer ring of the first and second pulley ring pipe cutting device, characterized in that the protective cover to protect the circular saw and the 1.2 pulley as well as to prevent safety accidents are installed, respectively. Is provided.

According to the present invention made as described above, a ring pipe fixing portion having a base frame, a plurality of fixing chucks and a plurality of clamping portions, a ring pipe expansion portion with expansion pins, and a ring pipe cutting with a circular saw By constructing a ring pipe cutting device comprising a portion, the ring pipe is fixed to the ring pipe fixing part of the ring pipe cutting device, and then the expansion pin of the ring pipe expansion part expands the ring pipe, and then the circular saw of the ring pipe cutting part By cutting one surface of the ring pipe while reciprocating in the vertical direction, the cutting work of the ring pipe is more easily and easily performed.

In addition, as the cutting surface of the ring pipe is maintained by the ring pipe cutting device while being cut constantly, as well as the shape of the cut ring pipe is formed as the shape of the cut ring pipe is cut at the correct cutting position of the ring pipe. There is also an effect that the quality of the ring pipe cut by the ring pipe cutting device is improved.

In addition, anyone can cut the ring pipe by cutting the ring pipe with a ring pipe cutting device, as well as work time, labor loss, work cost, and production cost of the product according to the cutting work of the ring pipe. In addition to reducing the cost, work efficiency and productivity are also improved.

On the other hand, when cutting the ring pipe in the ring pipe cutting device, the operator installs only the ring pipe and then operates the switch, and then is located at a certain distance from the ring pipe cutting device. It is also effective to prevent accidents of workers and third parties caused by scrap or the like.

In addition, by installing the scrap receiver in the ring pipe cutting device, the scrap pipe receiving the scrap generated when the ring pipe is cut in the ring pipe cutting device is collected in one place and then removed at a time, so that the ring pipe cutting device and workshop As the surroundings are kept clean and clean at all times, the working environment is also improved.

1 is a perspective view showing a ring pipe cutting device of the present invention.
Figure 2 is a front view showing the ring pipe cutting device of the present invention from the front.
Figure 3 is a side view showing the present invention ring pipe cutting device from the side.
Figure 4 is a plan view showing a ring pipe cutting device of the present invention in a plan view.
Figure 5 is an exploded perspective view showing each configuration of the ring pipe cutting device of the present invention in a separated state.
Figure 6 is a perspective view showing a state in which the ring pipe fixing portion of the ring pipe cutting device of the present invention is coupled.
Figure 7 is an exploded perspective view showing a state in which the ring pipe fixing portion of the present invention ring pipe cutting unit is coupled.
Figure 8 is an exploded perspective view showing a fixed chuck of the present invention ring pipe fixing part separated.
9 is a perspective view showing a center clamping portion of the present invention ring pipe fixing portion.
10 is a perspective view showing a side clamping portion of the present invention ring pipe fixing portion.
Figure 11 is an exploded perspective view showing a ring pipe expansion unit configuration of the ring pipe cutting device of the present invention in a separated state.
Figure 12 is an exploded perspective view showing the ring pipe cut portion of the ring pipe cutting device of the present invention in a separated state.
13a to 13h is a perspective view sequentially showing the operating state of the ring pipe cutting device of the present invention.

Hereinafter, a ring pipe cutting device according to the present invention will be described in more detail with reference to the accompanying drawings 1 to 13h.

According to the present invention, the circular ring pipe 10 wound only once and the circular ring pipe 10 wound many times may be perpendicular to the wound direction of the ring pipe 10. Ring pipe cutting device for cutting using a circular saw 460 in the direction is provided.

1 to 4, the ring pipe cutting device is provided with a base frame 100 which is fixed from the bottom to be supported and fixed. Base 110 is coupled, the base 110 has a base hole 111 is formed.

On the side of the base frame 100, as shown in Figure 5, the ring pipe cut portion to collect the scrap generated when cutting the ring pipe 10 with a circular saw 460, as well as collecting the collected scrap at once Scrap receiving plate 120 to be removed is coupled.

The ring pipe fixing part 200 is installed on the upper surface of the base 110 of the base frame 100 to fix and press the ring pipe 10 to prevent the ring pipe 10 from moving and then cut the ring pipe 10. .

As shown in FIGS. 6 and 7, the ring pipe fixing part 200 is provided with a fixing chuck 210 for fixing the ring pipe 10, and an outer side of the fixing chuck 210. The plurality of clamping parts for pressing the outer surface of the ring pipe 10 is installed so that the ring pipe 10 fixed to the fixed chuck 210 does not flow.

The fixing chuck 210 is opened by the expansion pin 340 of the ring pipe expansion part 300 which will be described later while fixing the ring pipe 10 as well as expanding the diameter of the ring pipe 10. A plurality of fixing chucks 210 are installed to secure the ring pipe 10 and to expand the diameter of the ring pipe 10 as shown in FIG. 7. It is desirable to install.

As shown in FIG. 8, each of the fixing chucks 210 is provided with an exchange block base 211, and a coupling protrusion 212 having a “T” shape is formed on an upper surface of the exchange block base 211.

The inner surface of the exchange block base 211, that is, the inner surface of the exchange block base 211 in contact with the outer surface of the expansion pin 340 to be described later is formed to be inclined at a predetermined angle, that is, the upper portion of the exchange block base 211 Inclined surface 211a that is gradually inclined toward the outer side of the exchange block base 211 toward the bottom is formed.

On the upper surface of the exchange block base 211 to fix the ring pipe 10 more efficiently and by the fixing chuck 210 according to the diameter of the ring pipe 10 and the extent to which the ring pipe 10 is expanded The fixing block 213 fixing the ring pipe 10 to be replaceable is detachably coupled, and the fixing block 213 is detachably coupled to the exchange block base 211 to the fixing block 213. A coupling groove 214 having a “T” shape having the same shape as that of the coupling protrusion 212 is formed such that the coupling protrusion 212 of the exchange block base 211 is inserted and removed.

The guide rail 216 is coupled to an upper surface of the base 110, and the guide rail reciprocates along the guide rail 216 on the lower surface of the exchange block base 211. A slidable guide 215 is coupled to 216.

It is coupled to the upper surface of the base 110 and on one side of the exchange block base 211 to prevent the removal of the return spring 218 for returning the sliding block base 211 reciprocating while being returned to its original position. Of course, the return spring guide 217 for guiding the movement of the exchange block base 211 and the exchange of the exchange block base 211 to return to its original position is coupled.

The return spring 218 may be inserted into the exchange block base 211 to be coupled with the return spring guide 217 or installed to be wound around the outer surface of the return spring guide 217. The return spring 218 may be As long as the exchange block base 211 can be moved and returned to its original position, it may be combined in any form.

On the upper surface of the fixing block 213 where the coupling groove 214 is located is a fixing plate 219 to prevent the fixing block 213 from being separated from the exchange block base 211 to a fastening member such as bolts and screws. Are coupled by.

6 and 7, the clamping part of the ring pipe fixing part 200 is positioned at the center of the outer side of the fixing chuck 210 in the state where the plurality of fixing chucks 210 are installed. When viewed from the center of the center clamping unit 220, the one side clamping unit 230 located on one side of the center clamping portion 220 of the outer side of the fixed chuck 210, and the fixed chuck 210 The other side of the center clamping portion 220 is composed of the other clamping portion 240 located on the other side.

As shown in FIG. 9, the center clamping part 220 is provided with a center hydraulic cylinder 221, and the center hydraulic cylinder 221 is reciprocated by the center hydraulic cylinder 221 and is fixed to each fixed chuck 210. The center pressing member 222 for pressing the outer surface of the ring pipe 10 fixed to the shaft is coupled to the shaft, and the center pressing member 222 on one surface of the center pressing member 222 on the ring pipe 10 side A center urethane foaming agent 223 is coupled to absorb the shock generated when contacting and pressurizing the ring pipe 10, and the center pressing member 222 is connected to the center pressing member 222 by the ring pipe 10. A pressure-adjustable proximity sensor 224 for detecting whether the outer surface of the pressure is pressed and adjusting the pressing force of the center pressing member 222 is coupled.

The one side clamping part 230 and the other clamping part 240 are provided with one side and the other hydraulic cylinders 231 and 241 as shown in FIG. 10, and the one side and the other hydraulic cylinders 231 and 241. The one side and the other side pressing members 232 and 242 which press the outer surface of the ring pipe 10 fixed to the fixed chuck 210 while rotating about the hinge shafts 235 and 245 by the centers 231 and 241 on one side and the other side, respectively. Are combined.

One side and the other urethane foaming agent 233 and 243 for absorbing the shock generated by the contact with the ring pipe 10 are coupled to one surface of each of the pressing members 232 and 242 on the ring pipe 10 side, respectively. The other surfaces of the pressing members 232 and 242 are provided with connecting portions 234 and 244 which are in contact with and connected to the shafts of the hydraulic cylinders 231 and 241, respectively.

That is, the connecting portions 234 and 244 are reciprocated in the hydraulic cylinders 231 and 241 such that the pressing members 232 and 242 are rotated about the hinge shafts 235 and 245 while being pushed or pulled by the hydraulic cylinders 231 and 241. It is installed to be in contact with the shaft or installed to be connected, and may be configured in any structure as long as each of the pressing members (232,242) can be rotated.

One side of each of the pressing members 232 and 242 which rotates around the hinge shafts 235 and 245 on one side of each of the pressing members 232 and 242 of the one side clamping portion 230 and the other side clamping portion 240 is the base 110. The anti-rotation unit 250 is installed to prevent the pivoting outwards, that is to prevent the deviation from the rotation range of each pressing member (232,242).

On the other hand, the lower portion of the base frame 100, the ring pipe expansion portion is provided with an expansion pipe 340 reciprocating in the vertical direction to expand the diameter of the ring pipe 10 fixed to each of the fixing chuck 210 300 is installed.

As shown in FIG. 11, the ring pipe expansion part 300 has a flat bottom surface contacting the base frame 100 at the lower portion of the base frame 100 and an “H” character at the upper side of the bottom surface portion. Expansion part support member 310 is formed in a shape is coupled, the through groove portion 311 is formed on one side of the expansion part support member 310.

Shanghai expansion hydraulic cylinder 320 for reciprocating the expansion pipe pin 340 in the vertical direction is coupled to the expansion pipe support member 310 is coupled.

Positioned between the shanghai hydraulic cylinder 320 and the expansion pipe 340 and the shanghai hydraulic cylinder 320 to the expansion pipe 340 while reciprocating in the vertical direction by the Shanghai hydraulic cylinder (320) Positioning block 330 is axially coupled to the reciprocating movement of the expansion pipe pin 340 to expand the diameter of the ring pipe 10 by, through the expansion pipe support member 310 through the positioning block 330 Positioned to protrude into the groove portion 311, and adjusts the rising and falling position of the expansion pin 340 to prevent the outside of the rising and falling range of the expansion pipe 340, while being in contact with the limit switch (350, 360) to be described later The adjusting piece 331 is coupled.

The fixed chuck 210 to the upper portion of the position adjusting block 330 to expand the ring pipe 10 fixed to the fixed chuck 210 while reciprocating in the vertical direction along the position adjusting block 330. The expansion pipe pin 340 is pushed to the outside of the ring pipe cutting device is coupled, the upper outer peripheral surface of the expansion pipe 340 is widened the contact area with the inclined surface (211a) formed on the inner surface of each fixed chuck (210) In order to move the fixing chuck 210 more easily, the outer diameter of the expansion pipe 340 is formed to gradually increase as the upper side thereof becomes smaller.

On one side of the expansion pipe support member 310, the upper and lower positions of the expansion pin 340 coupled to the position adjusting member 330 reciprocating in the vertical direction by the Shanghai Song cylinder 320 Expansion and rising of the expansion pin to sense and adjust the rising and falling position of the expansion pipe 340 by controlling the operation of the Shanghai hydraulic cylinder 320 to detect and prevent the outside of the rising and falling range of the expansion pin 340. Falling stop limit switches 350 and 360 are coupled, respectively.

One side of the upper surface of the base 110 is a circular to rotate to cut the ring pipe 10 fixed in the pressed state by each fixing chuck 210 and the clamping parts 220, 230, 240 of the ring pipe fixing portion 210 Circular saw for reciprocating the circular saw 340 in the vertical direction to not only cut the ring pipe 10 with the saw 340 and the rotating circular saw 340 but also return the circular saw 340 to its original position. A ring pipe cut part 400 having a transfer hydraulic cylinder 420 is provided.

As shown in FIG. 12, the ring pipe cut part 400 includes a cut part support member 410 supported on an upper surface of the base 110, and a front surface of the cut part support member 410. A pair of shanghai song rail 430 is coupled, the coupling groove 411 is formed through the front surface of the cut portion support member 410 between the one shanghai song rail 430.

A circular cylinder conveying hydraulic cylinder 420 for reciprocating the circular saw 460 is coupled to the upper portion of the cutting part support member 410.

Located in front of the cutting unit support member 410 as well as the circular saw conveying hydraulic cylinder 420 by the circular saw conveying hydraulic cylinder 420 by reciprocating along the Shanghai Song Rail 430 in the vertical direction A gear box 440 is axially coupled to the circular saw 460 to reciprocate as well as to adjust the rotational speed of the circular saw 460 rotating while reciprocating.

The rear of the gear box 440 is inserted into the coupling groove 411 formed on the front of the cut portion support member 410 is located in the cut portion support member 410 as well as the circular saw feed hydraulic cylinder 420 A shaft portion 444 having a shaft hole 444a into which the shaft of the circular saw feed hydraulic cylinder 420 is inserted is coupled so that the gearbox 440 and the circular saw 460 reciprocate in the vertical direction. .

The top of the gear box 440 is provided with a rotary motor 450 for generating a driving force, that is, a rotational force by the power supplied from the outside.

A first pulley 441 is rotatably coupled to the rotary motor 450, and a second pulley 442 is rotatably coupled to the gear box 440, and the first pulley 441 is rotatably coupled to the gearbox 440. ) And the second pulley 442 has a connecting belt 443 connecting the first pulley 441 and the second pulley 442 to transfer the rotational force of the rotary motor 450 to the gear box 440 Are combined.

One side of the gear box 440 is a ring pipe fixed to each fixed chuck 210 of the ring pipe fixing part 200 while rotating while receiving the rotational force of the rotary motor 450 through the gear box 440 Circular saw 460 for cutting 10 is rotatably coupled.

The circular saw 460 is transmitted to the rotational force of the rotary motor 450 in a state in which the rotation speed is reduced in the gear box 440 to cut, that is, cut the ring pipe 10 in the decelerated state, which Maintaining a constant speed appropriate for cutting the ring pipe 10 as well as preventing the saw blade of the circular saw 460 cut the ring pipe 10 to be damaged by reducing the replacement cycle of the circular saw 460 This is to reduce the cost and the post-processing process by minimizing the occurrence of burrs on the cutting surface of the cut ring pipe 10.

One side of the gear box 440 is coupled to the switching piece 445, one side of the upper cutting portion support member 410 is in contact with the switching piece 445 of the gear box 440 reciprocating circular A plurality of limit switches for controlling the operation of the circular saw conveying hydraulic cylinder 420 are combined to prevent the saw 460 from moving out of the rising and lowering range and to sense the conveying speed of the circular saw 460. .

Each of the limit switches is in contact with the switching piece 445 of the gear box 440 moving upwards on one side of the cut portion supporting member 410 as shown in FIG. A circular saw lift stop limit switch 491 is coupled to detect the lift position and the lift out of the lift range of the circular saw 460, and the gear box moves downward in one side of the cut part support member 410. A circular saw falling stop limit switch 492 is coupled to contact with the switching piece 445 of the 440 to detect the falling position of the gear box 440 and the falling range of the circular saw 460. Feeding speed of the gearbox 440 moving in the up and down directions on one side of the cutting part supporting member 410 between the circular saw rising stop limit switch 491 and the circular saw falling stop limit switch 492. To detect and adjust Circular saw feed rate detection limit switch 492 for detecting the transport speed of the circular saw 460 is coupled.

On the outside of the circular saw 460 is a circular saw protective cover 470 to protect the circular saw 460 from external shocks as well as to prevent safety accidents by the rotating circular saw 460 gearbox 440 is coupled to an outer surface of the first and second pulleys 441 and 442 to protect the first and second pulleys 441 and 442 from external shocks as well as the rotating first and second pulleys 441 and 442. And a driving part protection cover 480 to prevent a safety accident by the connecting belt 443 is coupled to the outer surface of the gear box 440.

Referring to the operation of the present invention configured as described above are as follows.

First, in order to cut the ring pipe 10 in the ring pipe cutting device, the ring pipe 10 is positioned in the ring pipe fixing part 200 of the ring pipe cutting device shown in FIG. The ring pipe 10 is installed to be in contact with the outer circumferential surface of each fixing chuck 210 provided in the ring pipe fixing part 200.

Then, when power is applied to the ring pipe cutting device, the Shanghai Song hydraulic cylinder 320 coupled to the expansion part supporting member 310 of the ring pipe expansion part 300 is operated as shown in FIG. Position adjustment block 330 is raised in the upward direction by the hydraulic cylinder 320, thereby expanding the expansion pin 340 coupled to the upper portion of the position adjustment block 330.

The outer circumferential surface of the rising expansion pin 340 is in contact with the inclined surface 211a of each fixed chuck 210, and the expansion pin 340 is continuously raised, each fixed chuck 210 is ring pipe cutting device The ring pipe 10 fixed to each of the fixing chucks 210 while being pushed outwards is expanded, and the diameter of the ring pipe 10 is increased.

When the diameter of the ring pipe 10 is expanded, each clamping part installed outside the fixing chuck 210 is operated so that the ring pipe 10 does not move as shown in FIG. 13D so that the ring pipe 10 does not move. Pressurizes, that is, the center clamping part 220 located at the center side of each of the clamping parts, and the one side and the other side clamping parts 230 and 240 located at one side and the other side, respectively.

Referring to the state in which the clamping portion is pressed, the center clamping portion 220 and the hydraulic cylinders 221, 231 and 241 on one side and the other side are operated, respectively, so that the shafts of the hydraulic cylinders 221, 231 and 241 are reciprocated. When fixing the pipe 10, the shaft of each hydraulic cylinder is pushed out to push the other surface of each pressing member (222, 232, 242).

Then, while the center pressing member 222 of the center clamping part 220 moves toward the ring pipe 10 side, one surface of the center pressing member 222 presses the outer surface of the ring pipe 10, and the one side · One side and the other pressing members 232 and 242 of the other clamping parts 230 and 240 are rotated around the hinge shafts 235 and 245, respectively, so that one surface of the one side and the other pressing members 232 and 242 presses the outer surface of the ring pipe 10. do.

At this time, one side of each pressing member (222, 232, 242) is coupled to the shock-absorbing urethane foaming agents (223, 233, 243), respectively, each pressing member (222, 232, 242) of each clamping portion by the urethane foaming agent of the ring pipe 10 Absorbing the impact generated when contacted to pressurize the outer surface prevents the outer surface of the ring pipe 10 from being damaged and breaking each clamping portion.

The ring pipe 10 fixed in a pressurized state by each of the fixing chucks 210 and the respective clamping parts is expanded in diameter by the expansion pins 340 of the pipe expansion part 300. By 400, the cutting in the longitudinal direction, that is, the direction perpendicular to the direction in which the ring pipe 10 is wound.

The ring pipe cut part 400 cuts the ring pipe 10 while moving downwardly from the upper direction of the ring pipe cutting device as shown in FIGS. 13E and 13F, ie, the ring pipe cut part 400. Circular saw feed hydraulic cylinder 420 of the gearbox 440 is moved downward by the circular saw feed hydraulic cylinder 420.

At this time, the rotational force is generated in the rotary motor 450 coupled to the upper portion of the gearbox 440, the generated rotational force is the gearbox 440 by the first and second pulleys (441,442) and the connecting belt (443). ), The rotational force of the transmitted rotation motor 450 is decelerated in the gearbox 440, and the rotation speed decelerated in the gearbox 440 is transmitted to the circular saw 460 to provide the circular saw 460. ) Will rotate.

As described above, the gear box 440 is moved downward by the circular saw transfer hydraulic cylinder 420 in the state that the circular saw 460 is rotated, the gear box 440 is moved downward The rail is moved while receiving the guidance of the rail (430).

When the circular saw 460 is also located on the upper surface of the ring pipe 10 while moving downward along the gearbox 440 moving downwards (FIG. 13F), the gearbox continuously moving downwards. Circular saw 460 rotated by 440 cuts the ring pipe 10 fixed to the ring pipe fixing part 200 in a direction perpendicular to the wound direction.

At this time, the circular saw 460 for cutting the ring pipe 10 is located between each fixed chuck 210 of the ring pipe fixing part 200, each of the fixed chuck 210 and the circular saw 460 The circular saw 460 cuts the ring pipe 10 more easily, without interference occurring between the?

When the cutting of the ring pipe 10 is completed, the gearbox 440 and the circular saw 460 are moved upward by the circular saw feed hydraulic cylinder 420, as shown in Figure 13g, the circular saw ( 460 is separated from the ring pipe 10.

In addition, as shown in FIG. 13h, the expansion pin 340 of the ring pipe expansion part 300 is moved downward by the Shanghai hydraulic cylinder 320 and at the same time, each of the fixing chucks 210 has a return spring guide ( 217 and the return spring 218 are retracted inwardly, that is, they return to their original positions, and the pressing members 222, 232, 242 of the respective clamping parts, that is, the center clamping part 220 and the one side and the other clamping part 23, 240. ) Will return to the original position.

Each fixing chuck 210 and each clamping part of the ring pipe fixing part 200, the expansion pin 340 of the ring pipe expansion part 300, and the gear box 440 of the ring pipe cutting part 400 and When the circular saw 460 is returned to its original position, the cutting operation of the ring pipe 10 is completed by the ring pipe cutting device as the ring pipe 10 is cut from the fixed chucks 210.

As described above, the ring pipe cutting device according to the present invention has been described with reference to the illustrated drawings, but the present invention is not limited by the embodiments and drawings described herein, and various modifications are made by those skilled in the art within the technical scope of the present invention. Since this can be made, it should not be understood individually from the technical spirit or prospect of the present invention.

100: base frame 110: base
200: ring pipe fixing portion 210: fixed chuck
211: exchange block base 212: coupling protrusion
213: block 214: coupling groove
215: guide 216: guide rail
220: center clamping portion 230: one side clamping portion
240: other clamping portion 250: clamp stop unit
300: ring pipe expansion unit 320: Shanghai Song hydraulic cylinder
330: positioning block 340: expansion pin
400: ring pipe cut portion 410: cut portion support member
420: circular saw feed hydraulic cylinder 430: circular saw shanghai song rail
440: gearbox 450: motor
460: circular saw

Claims (13)

A base frame installed at the bottom;
A base having a base hole coupled to an upper portion of the base frame;
A ring pipe fixing part provided on an upper surface of the base and having a plurality of fixing chucks for fixing the ring pipe, and a plurality of clamping parts on the outside of the fixing chuck to pressurize the fixed ring pipe without flow;
A ring pipe expansion part installed at a lower portion of the base frame and having an expansion pipe reciprocating in a vertical direction to expand the ring pipes fixed to the respective fixed chucks;
Ring pipe cutting provided with a circular saw rotated to cut a ring pipe fixed to the ring pipe fixing portion is installed on one side of the base and a circular saw feed hydraulic cylinder for reciprocating the rotating circular saw in the vertical direction Ring pipe cutting device, characterized in that consisting of. The method of claim 1,
A ring pipe cutting device, characterized in that coupled to the side of the base frame to receive the scrap generated by the ring pipe cut by the circular saw of the ring pipe cut portion is collected. The method of claim 1,
The fixing chuck of the ring pipe fixing part is opened by the expansion pin of the ring pipe expansion part, and at least four rings are installed to fix the ring pipe as well as to enlarge the diameter of the ring pipe. Device. The method according to claim 1 or 3,
The fixed chuck of the ring pipe holder is
An exchange block base having an inner surface contacting the outer surface of the expansion pipe inclined at a predetermined angle, as well as a coupling protrusion having a “T” shape on the upper surface thereof;
The upper surface of the exchange block base is fixed to have a "T" shaped coupling groove which is detachably coupled to the insertion protrusion detachably coupled to the exchange block base so as to be replaceable depending on the diameter and extent of expansion of the ring pipe. Blocks,
A guide that is slidably coupled to a guide rail coupled to an upper surface of the base and is coupled to a lower surface of the exchange block base so that the exchange block base reciprocates along the guide rail;
A return spring guide coupled to an upper surface of the base and coupled to one side of the exchange block base to prevent detachment of a return spring inserted into the exchange block base and to return the exchange block base to its original position by the return spring. Ring pipe cutting device, characterized in that consisting of. The method of claim 1,
The clamping part of the ring pipe fixing part
A center pressurizing member axially coupled to the center hydraulic cylinder, the center pressurizing member pressurizing the outer surface of the ring pipe fixed to the fixed chuck while being reciprocated by the center hydraulic cylinder, and coupled to one surface of the center pressurizing member which is the ring pipe side The center clamping unit is provided with a center urethane foaming agent for absorbing shock and a pressing force adjusting proximity sensor coupled to the center pressing member to adjust the pressing force of the center pressing member.
One side pressurizing member on one side of the center clamping portion and the one side hydraulic cylinder and the one side hydraulic member connected to the shaft of the one side hydraulic cylinder to press the outer surface of the ring pipe fixed to the fixed chuck while rotating about the hinge axis by one side hydraulic cylinder, One side clamping part is provided with one side urethane foaming agent which is coupled to one surface of one side pressing member which is the ring pipe side and absorbs shock,
On the other side of the center clamping portion, the other side hydraulic member and the other side pressure member connected to the shaft of the other side hydraulic cylinder to press the outer surface of the ring pipe fixed to the fixed chuck while rotating around the hinge axis by the other side hydraulic cylinder from the other side, Ring pipe cutting device, characterized in that the other side clamping portion is provided with the other side urethane foam agent is coupled to one surface of the other side pressure member that is the ring pipe side to absorb the shock. The method of claim 5, wherein
A ring pipe cutting device, characterized in that the anti-rotation unit is installed on one side of each pressing member of the one clamping portion and the other clamping portion to prevent the pressing member from moving out of the rotation range. The method of claim 1,
Ring pipe expansion part,
And "H" shaped expansion pipe support member having a through groove in one side coupled to the bottom of the base frame,
Shanghai transport hydraulic cylinder coupled to the expansion pipe support member,
A position adjusting block having a position adjusting piece axially coupled to the shanghai transport hydraulic cylinder and inserted into the through groove so as to reciprocate in the vertical direction by the shanghai transport hydraulic cylinder;
Is coupled to the upper portion of the positioning block and the reciprocating movement in the vertical direction along the positioning block, as well as expansion pins for expanding the ring pipe while pushing each fixing chuck of the ring pipe fixing portion,
It is coupled to the upper side of one side of the expansion member support member to detect the rising position of the expansion pin by the contact with the position adjusting piece of the positioning block and the operation of the Shanghai hydraulic cylinder to prevent the out of the rising range of the expansion pin Expansion pin lift stop limit switch to control the
It is coupled to the lower side of the one side of the expansion pipe support member which is below the expansion pin lift stop limit switch to detect the falling position of the expansion pipe by the contact with the position adjustment piece and to prevent the falling out of the falling range of the expansion pin. Ring pipe cutting device, characterized by consisting of expansion pipe falling stop limit switch to control the operation of the Shanghai hydraulic cylinder. The method of claim 7, wherein
The upper outer circumferential surface of the expansion pipe pin is a ring pipe cutting device, characterized in that the outer diameter is gradually reduced as it goes from the lower side to the upper side. The method of claim 1,
Ring pipe cutting part,
A cutting part supporting member provided with a shanghai song rail on the front surface to be coupled to the upper surface of the base,
Circular saw conveying hydraulic cylinder coupled to the upper portion of the cutting portion support member,
A gear box positioned in front of the cutting part supporting member as well as axially coupled to the circular saw conveying hydraulic cylinder, and reciprocating upward and downward along the shanghai song rail by the circular saw conveying hydraulic cylinder;
A rotating motor installed on the gear box to generate a rotational force;
A circular saw which is rotatably coupled to one side of the gear box to cut the ring pipe fixed to the ring pipe fixing part while rotating by receiving the rotational force of the rotary motor through the gear box;
A switching piece coupled to one side of the gear box,
The circular saw conveying hydraulic pressure is coupled to one side of the cutting member supporting member to prevent the circular saw from moving up and down while being in contact with the switching piece of the reciprocating gear box, as well as detecting the feed rate of the circular saw. Ring pipe cutting device, characterized in that consisting of a plurality of limit switches to control the operation of the cylinder. The method of claim 9,
The combination of the shaft of the circular saw feed hydraulic cylinder and the gearbox,
A coupling groove is formed on the front side of the cutting part supporting member, and a shaft part is inserted into the coupling groove part on the rear side of the gear box, and the shaft part is located in the cutting part supporting member, and the shaft of the circular saw feed hydraulic cylinder is inserted into the shaft part. Ring pipe cutting device, characterized in that the coupling shaft hole is formed. The method of claim 9,
The transmission of the rotational force of the rotating motor to the gearbox,
The first pulley is rotatably coupled to the rotary motor, the second pulley is rotatably coupled to the gearbox, the first pulley and the second pulley ring pipe cutting device characterized in that coupled to the connection belt . The method of claim 9,
Each limit switch,
A circular saw lift stop switch which is coupled to an upper portion of one side of the cutting part support member and is in contact with a switching piece of a gearbox moving upward, and senses that the gearbox is out of a rising position of the gearbox and a rising range of the circular saw;
A circular saw lowering stop limit switch coupled to a lower portion of one side of the cutting part supporting member and being in contact with a switching piece of a gearbox moving downward, and detecting a deviation from a lowering position of the gearbox and a lowering range of a circular saw;
Circular saw feed speed detection coupled to one side of the cutting portion support member between the circular saw rising stop limit switch and the circular saw falling stop limit switch to detect and adjust the feed speed of the gear box moving in the up and down directions Ring pipe cutting device, characterized in that consisting of a limit switch. The method according to claim 9 or 11,
Ring pipe cutting device, characterized in that the outer side of the circular saw and the outer side of the first and second pulleys are provided with a protective cover to protect the circular saw and the 1.2 pulley as well as to prevent a safety accident.

KR1020100010219A 2010-02-04 2010-02-04 Cutting apparatus for ring pipe KR20110090446A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102814548A (en) * 2012-08-31 2012-12-12 太仓市旭冉机械有限公司 Steel tube cutting machine
CN103042555A (en) * 2012-12-27 2013-04-17 苏州先科精密机械有限公司 Efficient ring cutting die
KR101536939B1 (en) * 2014-07-10 2015-07-16 공군승 Core drill apparatus for cutting arc type magnet
CN107971569A (en) * 2018-01-15 2018-05-01 张家港市蓝田管业设备有限公司 Air pressure portable multi-angle cuts circular sawing machine
KR20200013406A (en) * 2018-07-30 2020-02-07 주식회사 한국인삼공사 Fixing jig and red ginseng cutting device having the same
CN114178867A (en) * 2021-12-10 2022-03-15 盐城泽华精工机械有限公司 Rapid cutting device for turbocharger impeller support rib

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102814548A (en) * 2012-08-31 2012-12-12 太仓市旭冉机械有限公司 Steel tube cutting machine
CN103042555A (en) * 2012-12-27 2013-04-17 苏州先科精密机械有限公司 Efficient ring cutting die
KR101536939B1 (en) * 2014-07-10 2015-07-16 공군승 Core drill apparatus for cutting arc type magnet
CN107971569A (en) * 2018-01-15 2018-05-01 张家港市蓝田管业设备有限公司 Air pressure portable multi-angle cuts circular sawing machine
KR20200013406A (en) * 2018-07-30 2020-02-07 주식회사 한국인삼공사 Fixing jig and red ginseng cutting device having the same
CN114178867A (en) * 2021-12-10 2022-03-15 盐城泽华精工机械有限公司 Rapid cutting device for turbocharger impeller support rib

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