CN114454238A

CN114454238A - PVC bellows cutting equipment

Info

Publication number: CN114454238A
Application number: CN202210211974.9A
Authority: CN
Inventors: 付英彩
Original assignee: Individual
Current assignee: Hunan Zhongyuan Pipe Industry Co ltd
Priority date: 2022-03-06
Filing date: 2022-03-06
Publication date: 2022-05-10
Anticipated expiration: 2042-03-06
Also published as: CN114454238B

Abstract

The invention relates to a PVC corrugated pipe cutting device, which comprises a first support frame, a second support frame, a third support frame, a sliding rail, a cutting mechanism and the like; the first support frame is located the most place ahead of equipment, and first support frame rear wall bottom is fixed with two slide rails, and the roof rear portion of two slide rails is fixed with a third support frame, and the right wall middle part of the slide rail on right side leans on preceding position to be fixed with a second support frame, and cutting mechanism installs in the third support frame. The corrugated pipe cutting device can cut the corrugated pipe from the inside, clamp the corrugated pipe from the outside while cutting, and fixedly clamp the pipe wall near the tangent point, so that the irregular cut caused by the shaking of the corrugated pipe during cutting can be avoided, and the cutting quality is improved; the automatic feeding mechanism can automatically pull the corrugated pipe into the equipment, so that the labor consumption is reduced, and the production efficiency is improved; the length of the bellows of cutting out can be adjusted through the position of adjusting the stopper, is provided with a plurality of length gears, can adjust as required.

Description

PVC bellows cutting equipment

Technical Field

The invention relates to cutting equipment, in particular to PVC corrugated pipe cutting equipment.

Background

The PVC corrugated pipe is also called double-wall corrugated pipe, and is a novel pipe with corrugated outer wall and smooth inner wall. It has been widely used as a buried drain pipe, an underground cable pipe, etc. in a considerable range to replace conventional cast iron pipes, cement pipes, general plastic pipes, and wound corrugated pipes.

The existing double-wall corrugated pipe cutting machine has the problems that cutting dust is large, the body health of operators is not good, and the problems that the cutting section is not flat, sharp corners and burrs are generated due to the shaking of the corrugated pipe when cutting is performed, so that the quality of cut finished products cannot reach the standard, and the cutting machine cannot be used normally.

Disclosure of Invention

According to the technical problem that the scheme is adopted, the PVC corrugated pipe cutting equipment capable of stably clamping the corrugated pipe during cutting and absorbing smoke and dust is provided.

The technical implementation scheme of the invention is as follows: a PVC corrugated pipe cutting device, which comprises a first support frame, a second support frame, a third support frame and a slide rail, cutting mechanism, fixture, automatic discharging mechanism and automatic feeding mechanism, first support frame is located the most place ahead of equipment, first support frame rear wall bottom is fixed with two slide rails, the roof rear portion of two slide rails is fixed with a third support frame, the right wall middle part of the slide rail on right side leans on preceding position to be fixed with a second support frame, cutting mechanism installs in the third support frame, cutting mechanism is used for cutting the bellows, fixture installs at first support frame top, fixture is used for pressing from both sides tight bellows, automatic discharging mechanism installs in cutting mechanism, automatic discharging mechanism can release the bellows that the cutting was accomplished to left, automatic feeding mechanism installs in first support frame, automatic feeding mechanism is used for transporting the bellows backward automatically.

Further, the automatic feeding mechanism comprises a first slide way, a fourth motor, a second screw rod, a first slide way, a first fixed column, a second slide way, a first sliding rod, a first spring, a first sliding inclined block, a second spring, a second connecting frame, a sliding clamping block, an L-shaped rod and a fixed slide way, wherein the right side of the rear wall of the first support frame is fixedly provided with the first slide way, the middle parts of the rear sides of the top walls of the two slide ways are provided with the fourth motor, the output shaft of the fourth motor is connected with the second screw rod, the front end of the second screw rod is rotatably connected with the bottom of the rear wall of the first support frame, the two slide ways are jointly and slidably connected with the first slide way, the first slide way is sleeved on the second screw rod, the first slide way is slidably connected with three first sliding rods, the tops of the three first sliding rods are fixed on the second slide way, and each first sliding rod is sleeved with the first spring, the one end of first spring is connected on first slide bar, the other end of first spring is connected on first carriage, the right wall bottom of second carriage is fixed with a first fixed column, the right side of second carriage is fixed with a fixed slide, sliding connection has a slip clamp splice in the fixed slide, the top of slip clamp splice is fixed with an L shape pole, the roof rear side middle part of first support frame is fixed with a second link, sliding connection has a first slip sloping block on the second link, be connected with the second spring between first slip sloping block and the second link.

Further, the cutting mechanism comprises a first motor, a first gear, a U-shaped rack, a second motor, a first connecting rod, a sliding block, limiting plates, a first air cylinder, a third motor, a saw blade and a lifting mechanism, wherein the first motor is arranged in the middle of a third support frame, the first gear is connected onto an output shaft of the first motor, the U-shaped rack is connected in the middle of the third support frame in a sliding manner, the other side of the U-shaped rack is connected with the top of the first support frame in a sliding manner, the second motor is arranged on the front wall of the short side of the U-shaped rack, the first connecting rod is connected onto an output shaft of the second motor, two limiting plates are symmetrically arranged on the rear wall of the first connecting rod in a left-right manner, both sides of the first connecting rod are provided with straight holes, the sliding blocks are connected into the straight holes on both sides of the first connecting rod in a sliding manner, the first air cylinders are arranged in the straight holes on both sides of the first connecting rod, the output shaft of a cylinder all installs a No. three motors on the sliding block of homonymy, the antetheca of every sliding block, all is connected with a saw bit on the output shaft of every No. three motors, lifts the mechanism and installs on the second support frame, lifts the bottom that the mechanism is used for holding the bellows when the cutting.

Further, the lifting mechanism comprises a first connecting frame, a ratchet bar, a second fixed block, a fourth sliding frame, an arc-shaped plate, a first fixed plate, a second fixed frame, a second guide rod, a fifth spring, a second fixed plate, a sixth spring, a fifth sliding frame, a third connecting rod, a sliding plate, a third sliding inclined block, a third fixed column, a seventh spring, a second pull rope, a second rotating wheel, a rope frame, a first rotating shaft, a first belt pulley, a first driving belt, a second belt pulley, a ratchet wheel and a sixth fixed block, wherein the top of the front wall of the second supporting frame is fixed with the first connecting frame, the top of the rear wall of the second supporting frame is fixed with the second fixed plate, the top of the second fixed plate is connected with the fifth sliding frame in a sliding manner, the sixth spring is connected between the fifth sliding frame and the second fixed plate, the bottom of the right wall of the first sliding frame is fixed with the ratchet bar, a second fixed block is fixed at the top of the right wall of the first sliding frame, a second fixed frame is fixed at the top of the second support frame, a first fixed plate is fixed at the top of the second fixed frame, the front end of a fifth sliding frame is slidably connected with the front wall of the first fixed plate, a third connecting rod is fixed at the front end of the right wall of the fifth sliding frame, the front wall of the first fixed plate is slidably connected with a sliding plate, the right end of the third connecting rod is fixed on the sliding plate, a second guide rod is fixed in the second fixed frame, a fourth sliding frame is slidably connected with the second fixed frame, an arc-shaped plate is installed on the left wall of the fourth sliding frame, a fifth spring is connected between the fourth sliding frame and the right inner wall of the second fixed frame, a third sliding inclined block is slidably connected at the front end of the fourth sliding frame, and a seventh spring is connected between the third sliding inclined block and the fourth sliding frame, the antetheca of third slip sloping block is fixed with a third fixed column, the right back of second support frame rotates and is connected with a first axis of rotation, the top of first axis of rotation is fixed with a fag end frame, around having a second stay cord in the fag end frame, the bottom of first axis of rotation is fixed with a first belt pulley, the roof of the fixed frame of second rightmost side rotates and is connected with a second and rotates the wheel, the second stay cord is fixed on the fourth carriage around second rotation wheel after-fixing, the slide rail middle part on right side is fixed with a sixth fixed block, the top of sixth fixed block rotates and is connected with a ratchet, the top fixedly connected with a second belt pulley of ratchet, around having a first driving belt between first belt pulley and the second belt pulley.

Furthermore, the clamping mechanism comprises a second gear, a first screw rod and clamping frames, the top of the first support frame is rotatably connected with the first screw rod, the middle of the first screw rod is fixedly provided with the second gear, and two clamping frames are sleeved on two sides of the first screw rod.

Further, the automatic discharging mechanism comprises an L-shaped fixed rod, a first fixed frame, a first fixed block, an arc-shaped slideway, a third sliding frame, a first guide rod, a third spring, a second sliding inclined block, a fourth spring, a fourth fixed block, a first pull rope, a first rotating wheel, a fifth fixed block and a U-shaped connecting rod, wherein the L-shaped fixed rod is fixed at the position of the rear wall of the first support frame, the top of the front wall of the vertical rod of the L-shaped fixed rod is rotatably connected with the first rotating wheel, the first pull rope is wound on the first rotating wheel, the top of the first connecting frame is fixed with the first fixed frame, the first guide rod is fixed in the first fixed frame, the first fixed frame is internally and slidably connected with the third sliding frame, the third spring is connected between the third sliding frame and the inner wall of the right side of the first fixed frame, the front end of the third sliding frame is slidably connected with the second sliding inclined block, be connected with the fourth spring between second slip sloping block and the third carriage, the roof rear portion of third carriage is fixed with a fourth fixed block, the one end of first stay cord is fixed on the fourth fixed block, sliding connection has a U-shaped connecting rod in the L shape dead lever, the roof front side of U-shaped connecting rod is fixed with a fifth fixed block, the other end of first stay cord is fixed on the fifth fixed block, the back wall of the centre gripping frame on right side is fixed with a first fixed block, the antetheca of first fixed frame is fixed with an arc slide to the right position partially.

The utility model discloses a support frame, including the connecting axle, the feeding deflector, the connecting block, the second connecting rod, the third slide bar, the couple, the second fixed column, torsional spring and third fixed block, first support frame front side middle part is fixed with a connecting axle, it is connected with a connecting block to rotate on the connecting axle, a feeding deflector of top fixedly connected with of connecting block, the bottom sliding connection of first support frame has a third slide bar, the bottom front side rotation of feeding deflector is connected with a second connecting rod, the other end of second connecting rod articulates the front end at the third slide bar, the left wall middle part of third slide bar is fixed with a second fixed column, the front side bottom of first support frame is fixed with a third fixed block, it is connected with a couple to rotate on the third fixed block, be connected with a torsional spring between couple and the third fixed block.

Furthermore, the sliding rail device further comprises a limiting block, and the top wall of each sliding rail is connected with a limiting block through a screw.

The vacuum cleaner further comprises a vacuum cleaner and dust collection pipes, wherein the vacuum cleaner is installed in the middle of the top wall of the first support frame, the left side and the right side of the vacuum cleaner are communicated with the dust collection pipes, and the other end of each dust collection pipe is connected to the clamping frame on the same side.

The invention has the following advantages: the corrugated pipe cutting machine can cut the corrugated pipe from the inside, clamp the corrugated pipe from the outside while cutting, and fixedly clamp the pipe wall near the tangent point, so that the irregular cut caused by the shaking of the corrugated pipe during cutting can be avoided, and the cutting quality is improved; the cutting mechanism moves forwards and simultaneously drives the clamping mechanism to operate, when the cutting mechanism moves to a cutting position, the clamping mechanism just clamps the corrugated pipe, and multiple functions are realized under the action of the same power through matching of parts, so that energy consumption is reduced; the lifting mechanism lifts the bottom of the corrugated pipe, so that the corrugated pipe is prevented from falling freely after cutting is finished, and the subsequent automatic discharging mechanism is convenient to operate; the automatic feeding mechanism can automatically pull the corrugated pipe into the equipment, so that the labor consumption is reduced, and the production efficiency is improved; the length of the cut corrugated pipe can be adjusted by adjusting the position of the limiting block, and a plurality of length gears are arranged and can be adjusted according to requirements; during cutting, smoke, dust and debris are generated, and are collected through a dust collector, so that the debris is prevented from falling randomly to influence the operation of equipment; the feeding guide plate can facilitate feeding, and meanwhile, the corrugated pipe can be prevented from falling off from the equipment after being loosened by the clamping mechanism.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the rear right side of the present invention.

Fig. 3 is an enlarged schematic view of the structure of the arc-shaped slideway of the invention.

Fig. 4 is an enlarged view of the second connecting frame according to the present invention.

Fig. 5 is a schematic perspective view of the first slideway according to the present invention.

Fig. 6 is a schematic partial perspective view of the cutting mechanism of the present invention.

Fig. 7 is a schematic perspective view of a part of the lifting mechanism of the present invention.

FIG. 8 is an enlarged view of the ratchet bar of the present invention.

Fig. 9 is an enlarged view of the first motor of the present invention.

Fig. 10 is a schematic partial perspective view of the automatic discharging mechanism of the present invention.

Fig. 11 is a schematic perspective view of a part of the lifting mechanism of the present invention.

Fig. 12 is a schematic perspective view of a part of the lifting mechanism of the present invention.

FIG. 13 is a schematic perspective view of a ratchet according to the present invention.

Fig. 14 is a schematic perspective view of the feeding guide plate of the present invention.

The meaning of the reference symbols in the figures: 1: first support frame, 1001: first slide, 101: second support bracket, 1011: l-shaped fixing rod, 102: third support, 103: connecting shaft, 104: slide rail, 105: first link frame, 106: first fixed frame, 107: stopper, 2: motor number one, 201: first gear, 202: u-shaped rack, 203: motor two, 204: first connecting rod, 2041: slider, 205: a limit plate, 206: cylinder number one, 207: motor number three, 208: saw blade, 209: second gear, 210: first lead screw, 3: vacuum cleaner, 301: dust collection pipe, 302: clamping frame, 303: first fixed block, 304: arc slide, 4: motor number four, 401: second lead screw, 402: first carriage, 403: ratchet bar, 404: second fixed block, 405: first fixing column, 406: second carriage, 407: first slide bar, 408: first spring, 409: first slide ramp, 410: second spring, 411: second link, 412: sliding clamp, 413: l-shaped rod, 414: fixed slide, 5: feed guide plate, 501: connection block, 502: second connecting rod, 503: third slide bar, 504: hook, 505: second fixing column, 506: torsion spring, 507: third fixed block, 6: third carriage, 601: first guide bar, 602: third spring, 603: second slide ramp, 604: fourth spring, 605: fourth fixed block, 606: first rope, 607: first rotating wheel, 608: fifth fixed block, 609: u-shaped connecting rod, 7: fourth carriage, 701: arc plate, 702: first fixing plate, 703: second fixed frame, 7031: second guide bar, 7032: fifth spring, 704: second fixing plate, 705: sixth spring, 706: fifth carriage, 707: third connecting rod, 708: sliding plate, 709: third slide ramp, 710: third fixing column, 711: seventh spring, 712: second cord, 713: second rotating wheel, 714: rope frame, 715: first rotation shaft, 716: first pulley, 717: first drive belt, 718: second pulley, 719: ratchet, 720: and a sixth fixed block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments; all other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1

A PVC corrugated pipe cutting device is shown in figures 1-14 and comprises a first support frame 1, a second support frame 101, a third support frame 102, slide rails 104, a cutting mechanism, a clamping mechanism, an automatic discharging mechanism and an automatic feeding mechanism, wherein the first support frame 1 is positioned at the forefront of the device, a corrugated pipe penetrates through the middle of the first support frame 1, two slide rails 104 are fixed at the bottom of the rear wall of the first support frame 1, a plurality of threaded holes are formed in the rear part of the top wall of each slide rail 104, the third support frame 102 is fixed at the rear parts of the top walls of the two slide rails 104 and used for installing the cutting mechanism, the second support frame 101 is fixed at the front position of the middle part of the right wall of the slide rail 104 at the right side, the cutting mechanism is installed in the third support frame 102 and used for cutting the corrugated pipe, the clamping mechanism is installed at the top of the first support frame 1 and used for clamping the corrugated pipe, automatic discharging mechanism installs in cutting mechanism, and automatic discharging mechanism can release the bellows that the cutting was accomplished left, and automatic feeding mechanism installs in first support frame 1, and automatic feeding mechanism is used for transporting the bellows backward automatically.

Before the first cutting, the corrugated pipe needs to be manually penetrated through a through hole in the middle of the first support frame 1 by a worker, then the foremost end of the corrugated pipe penetrates through equipment and is inserted into the automatic feeding mechanism, then the cutting is prepared, after the cutting mechanism is started, the cutting mechanism moves forwards to a cutting position, meanwhile, the clamping mechanism can be driven to clamp the corrugated pipe, the cutting starts after the clamping, after the cutting is completed, the cutting mechanism moves backwards, the clamping mechanism is driven to loosen the corrugated pipe, the automatic discharging mechanism can be driven to operate in the outward stretching process of the clamping mechanism, the cut corrugated pipe can be pushed out to the left side by the automatic discharging mechanism, the automatic feeding mechanism is started again, the corrugated pipe is pulled to the rear side of the equipment by the automatic feeding mechanism, and the function of cutting the corrugated pipe is realized.

Example 2

On the basis of embodiment 1, as shown in fig. 2, 4-5 and 8, the automatic feeding mechanism includes a first slide 1001, a fourth motor 4, a second lead screw 401, a first slide frame 402, a first fixed column 405, a second slide 406, a first sliding rod 407, a first spring 408, a first sliding inclined block 409, a second spring 410, a second connecting frame 411, a sliding clamping block 412, an L-shaped rod 413 and a fixed slide 414, the right side of the rear wall of the first support frame 1 is fixed with the first slide 1001, the middle part of the rear side of the top wall of the two slide rails 104 is provided with the fourth motor 4, an output shaft of the fourth motor 4 is connected with the second lead screw 401, the fourth motor 4 drives the second lead screw 401 to rotate, the front end of the second lead screw 401 is rotatably connected to the bottom of the rear wall of the first support frame 1, the two slide rails 104 are jointly slidably connected with the first slide frame 402, the first slide frame 402 is sleeved on the second lead screw 401, the first sliding frame 402 can move back and forth when the second screw 401 rotates, three first sliding rods 407 are connected in the first sliding frame 402 in a sliding manner, the tops of the three first sliding rods 407 are fixed on the second sliding frame 406, the front half part of the top of the second sliding frame 406 is an arc frame, a through hole is formed in the rear half part of the top of the second sliding frame 406, a cutting mechanism penetrates into the corrugated pipe from the through hole, a first spring 408 is sleeved on each first sliding rod 407, one end of each first spring 408 is connected to the corresponding first sliding rod 407, the other end of each first spring 408 is connected to the first sliding frame 402, each first spring 408 provides upward elastic force for the corresponding first sliding rod 407, a first fixed column 405 is fixed at the bottom of the right wall of the second sliding frame 406, the first fixed column 405 can just slide into the corresponding first sliding way 1001 when moving forward, and the first fixed column 405 can slide along the first sliding way 1001 when moving forward, the first fixed column 405 slides over the top of the first slide way 1001 when moving backwards, the right side of the second sliding frame 406 is fixed with a fixed slide way 414, the fixed slide way 414 is a vertical slide way, the fixed slide way 414 is connected with a sliding clamping block 412 in a sliding way, the sliding clamping block 412 is just positioned at the front end of the top of the second sliding frame 406, the sliding clamping block 412 and the second sliding frame 406 are combined together to just clamp the corrugated pipe, the top of the sliding clamping block 412 is fixed with an L-shaped rod 413, the cross rod of the L-shaped rod 413 faces to the right, the middle part of the rear side of the top wall of the first support frame 1 is fixed with a second connecting frame 411, the second connecting frame 411 is connected with a first sliding inclined block 409 in a sliding way, the inclined plane of the first sliding inclined block 409 faces backwards, the first sliding inclined block 409 can be matched with the L-shaped rod 413, a second spring 410 is connected between the first sliding inclined block 409 and the second connecting frame 411, and the second spring 410 can enable the first sliding inclined block 409 to reset downwards.

After the cutting is finished, a fourth motor 4 is started, the fourth motor 4 drives a second screw rod 401 to rotate, a first sliding frame 402 slides forwards along a sliding rail 104 along with the rotation of the second screw rod 401, the first sliding frame 402 drives a first fixed column 405, a second sliding frame 406, a first sliding rod 407, a first spring 408, a sliding clamping block 412, an L-shaped rod 413 and a fixed sliding rail 414 to slide forwards, when the L-shaped rod 413 is contacted with the first sliding inclined block 409, the L-shaped rod 413 moves forwards and slides upwards along an inclined plane on the first sliding inclined block 409, the sliding clamping block 412 slides upwards along the fixed sliding rail 414 along the L-shaped rod 413, the first fixed column 405 fixed on the right side of the second sliding frame 406 is just contacted with the first sliding rail 1001 while the L-shaped rod 413 is contacted with the first sliding inclined block 409, the first fixed column 405 slides downwards along the first sliding rail 1001 while moving forwards, and the second sliding frame 406 slides downwards along the first sliding rail 1001, the first sliding rod 407 at the bottom of the second sliding frame 406 also slides downwards along with the first sliding rod 407, the first spring 408 is compressed, when the first sliding frame 402 moves to the foremost end, the L-shaped rod 413 is disengaged from the first sliding inclined block 409, the sliding clamping block 412 descends along the fixed sliding way 414 and falls on the top of the corrugated pipe, the first fixed column 405 also slides out from the first sliding way 1001, the second sliding frame 406 and the first sliding rod 407 rise upwards under the action of the first spring 408, the second sliding frame 406 just supports the bottom of the corrugated pipe from below, then the fourth motor 4 rotates reversely, the second screw rod 401 rotates reversely, the first sliding frame 402 moves backwards along the sliding way 104 on the second screw rod 401, and simultaneously the first fixed column 405, the second sliding frame 406, the first sliding rod 407, the first spring 408, the sliding clamping block 412, the L-shaped rod 413 and the fixed sliding way 414 also move backwards, when the L-shaped rod 413 moves backwards, the first sliding inclined block 409 is supported upwards, the second spring 410 is compressed, after the L-shaped rod 413 passes through the first sliding inclined block 409, the first sliding inclined block 409 is rebounded back downwards by the second spring 410 to the original position, the first fixed column 405 moves backwards and can pass through the top of the first slide way 1001, the sliding clamping block 412 and the second sliding frame 406 pull the corrugated pipe to move backwards, and after the first sliding frame 402 is reset, the fourth motor 4 is turned off, so that the automatic feeding function is realized.

As shown in fig. 6-7 and fig. 9-13, the cutting mechanism includes a first motor 2, a first gear 201, a U-shaped rack 202, a second motor 203, a first connecting rod 204, a sliding block 2041, a limiting plate 205, a first cylinder 206, a third motor 207, a saw blade 208 and a lifting mechanism, the first motor 2 is installed in the middle of the third supporting frame 102, an output shaft of the first motor 2 faces downward, a first gear 201 is connected to the output shaft of the first motor 2, the first motor 2 drives the first gear 201 to rotate, a U-shaped rack 202 is slidably connected to the middle of the third supporting frame 102, the first gear 201 rotates to enable the U-shaped rack 202 to move back and forth, the other side of the U-shaped rack 202 is slidably connected to the top of the first supporting frame 1, two teeth are arranged on the U-shaped rack 202, one section is located on the front side of the top wall of the U-shaped rack 202, the other section is located on the lower side of the right wall of the U-shaped rack 202 and is in contact with the first gear 201, a second motor 203 is installed on the front wall of the short side of the U-shaped rack 202, a first connecting rod 204 is connected to the output shaft of the second motor 203, the second motor 203 drives the first connecting rod 204 to rotate, two limiting plates 205 are symmetrically installed on the rear wall of the first connecting rod 204 in the left-right direction, the outer sides of the two limiting plates 205 are both arc-shaped, a straight hole is formed in each of the two sides of the first connecting rod 204, a sliding block 2041 is connected in each of the straight holes in each of the two sides of the first connecting rod 204 in a sliding manner, the sliding block 2041 slides back and forth in each of the straight holes, the rear side of each sliding block 2041 can be contacted with the limiting plates, a first air cylinder 206 is installed in each of the straight holes in each of the two sides of the first connecting rod 204, the output shaft of the first air cylinder 206 is connected to the same-side 2041, the first air cylinder 206 is used for pushing the sliding block 2041 to slide back and forth in each of the straight holes in the first connecting rod 204, and forth, a third motor 207 is installed on the front wall of each sliding block 2041, the output shaft of each third motor 207 is connected with a saw blade 208, the third motor 207 drives the saw blade 208 to rotate, the saw blade 208 is used for cutting the corrugated pipe, the lifting mechanism is installed on the second supporting frame 101, and the lifting mechanism is used for supporting the bottom of the corrugated pipe during cutting.

When cutting, firstly, the first motor 2 is started, the first motor 2 drives the first gear 201 to rotate, the first gear 201 rotates to enable the U-shaped rack 202 to slide forwards, the U-shaped rack 202 drives the second motor 203, the first connecting rod 204, the sliding blocks 2041, the limiting plates 205, the first air cylinders 206, the third motor 207 and the saw blades 208 to move forwards, when the U-shaped rack 202 pushes the saw blades 208 to reach a cutting position, the first motor 2 is closed, the two first air cylinders 206 are started to push the two sliding blocks 2041 outwards, the two third motors 207 and the two saw blades 208 move outwards along with the sliding blocks, when the two saw blades 208 are both contacted with the inner wall of the corrugated pipe, the two first air cylinders 206 are closed, the second motor 203 and the two third motors 207 are started simultaneously, the second motor 203 drives the first connecting rod 204 to rotate slowly, when the first connecting rod 204 rotates, the third motors 207 and the saw blades 208 can rotate slowly along the inner wall of the corrugated pipe, when the third motor 207 is started, the saw blade 208 is driven to rotate, the saw blade 208 rotates, the inner wall of the corrugated pipe is cut, the sliding block 2041, the third motor 207 and the saw blade 208 are pushed outwards properly by the two first cylinders 206 during cutting, the corrugated pipe can be cut off by the saw blade 208, the bottom of the corrugated pipe can be supported by the lifting mechanism, the third motor 207 and the second motor 203 are closed after cutting is completed, the saw blade 208 and the first connecting rod 204 stop rotating, the two first cylinders 206 are started, the two sliding blocks 2041 are pulled back inwards to the original positions, when the two sliding blocks 2041 are contacted with the limiting plate 205 on the same side, the third motor 207 and the saw blade 208 also reset along with the sliding block 2041, the two first cylinders 206 are closed at the moment, the first motor 2 is started again, the first motor 2 rotates reversely to drive the first gear 201, the first gear 201 rotates reversely to enable the U-shaped rack 202 to slide backwards, and the U-shaped rack 202 drives the second motor 203, the second motor 203 and the saw blade 208 to slide backwards, The first connecting rod 204, the sliding block 2041, the limiting plate 205, the first air cylinder 206, the third motor 207 and the saw blade 208 move backwards, and when the U-shaped rack 202 resets, the first motor 2 is turned off, so that the function of cutting the corrugated pipe is realized.

As shown in fig. 1 and fig. 11-13, the lifting mechanism includes a first connecting frame 105, a ratchet bar 403, a second fixed block 404, a fourth sliding frame 7, an arc plate 701, a first fixed plate 702, a second fixed frame 703, a second guide bar 7031, a fifth spring 7032, a second fixed plate 704, a sixth spring 705, a fifth sliding frame 706, a third connecting rod 707, a sliding plate 708, a third sliding inclined block 709, a third fixed column 710, a seventh spring 711, a second pull rope 712, a second rotating wheel 713, a rope frame 714, a first rotating shaft 715, a first belt pulley 716, a first transmission belt 717, a second belt pulley 718, a ratchet 719, and a sixth fixed block 720, a first connecting frame 105 is fixed on the top of the front wall of the second supporting frame 101, the first connecting frame 105 is used for supporting the first fixed frame 106, a second fixed plate 704 is fixed on the top of the rear wall of the second supporting frame 101, a slide way is arranged on the top of the second fixed plate 704, a fifth sliding frame 706 is slidably connected to the top of the second fixing plate 704, a sixth spring 705 is connected between the fifth sliding frame 706 and the second fixing plate 704, the sixth spring 705 is used for enabling the fifth sliding frame 706 to slidably reset, a ratchet bar 403 is fixed to the bottom of the right wall of the first sliding frame 402, a second fixing block 404 is fixed to the top of the right wall of the first sliding frame 402, the second fixing block 404 can be matched with the fifth sliding frame 706, a second fixing frame 703 is fixed to the top of the second supporting frame 101, a first fixing plate 702 is fixed to the top of the second fixing frame 703, four through holes are formed in the first fixing plate 702, the front end of the fifth sliding frame 706 is slidably connected to the front wall of the first fixing plate 702, the fifth sliding frame 706 can simultaneously slide on the first fixing plate 702 and the second fixing plate 704, a third connecting rod 707 is fixed to the front end of the right wall of the fifth sliding frame 706, a sliding plate 708 is connected to the front wall of the first fixed plate 702 in a sliding manner, the right end of a third connecting rod 707 is fixed to the sliding plate 708, the third connecting rod 707 and the sliding plate 708 can slide left and right along with a fifth sliding frame 706, a second guide bar 7031 is fixed in the second fixed frame 703, a fourth sliding frame 7 is connected in the second fixed frame 703 in a sliding manner, the second guide bar 7031 passes through the fourth sliding frame 7 and is connected with the fourth sliding frame 7 in a sliding manner, an arc plate 701 is installed on the left wall of the fourth sliding frame 7, the arc plate 701 has the same radian as that of the corrugated pipe, a fifth spring 7032 is connected between the fourth sliding frame 7 and the right inner wall of the second fixed frame 703, the fifth spring 7032 provides a left elastic force for the fourth sliding frame 7, a third sliding oblique block 709 is connected to the front end of the fourth sliding frame 7 in a sliding manner, and the bottom of the third sliding oblique block 709 slides up and down in the fourth sliding frame 7, a seventh spring 711 is connected between the third sliding inclined block 709 and the fourth sliding frame 7, the seventh spring 711 provides upward elastic force for the third sliding inclined block 709, a third fixed column 710 is fixed on the front wall of the third sliding inclined block 709, the third fixed column 710 moves synchronously with the third sliding inclined block 709, a first rotating shaft 715 is rotatably connected to the rear right of the second supporting frame 101, the first rotating shaft 715 passes through the top of the second supporting frame 101, a rope frame 714 is fixed on the top of the first rotating shaft 715, a second pull rope 712 is wound in the rope frame 714, the head of the second pull rope 712 is fixed in the rope frame 714, a first belt pulley 716 is fixed on the bottom of the first rotating shaft 715, a second rotating wheel 713 is rotatably connected to the rightmost side of the top wall of the second fixing frame 703, the second pull rope 712 is fixed on the fourth sliding frame 7 after winding around the second rotating wheel 713, when the rope frame 714 retracts the second pull rope 712, the second pull rope 712 pulls the fourth sliding frame 7 rightward, a sixth fixing block 720 is fixed in the middle of the right sliding rail 104, a ratchet 719 is rotatably connected to the top of the sixth fixing block 720, the ratchet 719 is matched with the ratchet bar 403 for use, a second belt pulley 718 is fixedly connected to the top of the ratchet 719, the ratchet 719 drives the second belt pulley 718 to rotate, a first transmission belt 717 is wound between the first belt pulley 716 and the second belt pulley 718, and the second belt pulley 718 drives the first belt pulley 716 to rotate through the first transmission belt 717.

When cutting is performed, the arc plate 701 on the left side of the fourth sliding frame 7 is just positioned at the bottom of the corrugated pipe to support the bottom of the corrugated pipe, after the cutting is completed, the fourth sliding frame 7 and the arc plate 701 move leftwards under the action of the automatic discharging mechanism and push the corrugated pipe out, when the automatic feeding mechanism moves forwards, the ratchet bar 403 and the second fixed block 404 also move forwards, when the ratchet bar 403 passes through the ratchet 719, the ratchet 719 rotates to drive the second belt pulley 718 to rotate, the second belt pulley 718 drives the first belt pulley 716 to rotate through the first transmission belt 717, the first belt pulley 716 rotates to drive the first rotating shaft 715 to rotate, the first rotating shaft 715 rotates to drive the rope frame 714 at the top of the first rotating shaft to rotate and withdraw the second pull rope 712, the second sliding frame pull rope pulls the fourth sliding frame 7 rightwards, the fourth sliding frame 7 moves rightwards to drive the arc plate 701, the third sliding oblique block 709, the fourth sliding frame 7, the third sliding oblique block 709, The third fixed column 710 and the seventh spring 711 move rightwards and compress the fifth spring 7032, the third fixed column 710 does not collide with any part in the process of moving rightwards, the seventh spring 711 is always in a compressed state when the third sliding inclined block 709 is positioned below the first fixing plate 702, the third sliding inclined block 709 is bounced upwards by the seventh spring 711 every time the third sliding inclined block 709 passes through a through hole on the first fixing plate 702, but because the inclined surface of the third sliding inclined block 709 faces rightwards, the third sliding inclined block 709 is not clamped in the through hole on the first fixing plate 702 when the third sliding inclined block 709 moves rightwards, after the ratchet 403 passes through the ratchet 719, the third sliding inclined block 709 at the front end of the fourth sliding frame 7 is just positioned in the rightmost through hole on the first fixing plate 702, and when the second fixed block 404 contacts with the fifth sliding frame 706 in the process of moving forwards, the fifth sliding frame 706 slides rightwards along the track on the second fixed block 404 and then returns leftwards, when the fifth sliding frame 706 slides to the right, the third connecting rod 707 and the sliding plate 708 slide to the right, the sixth spring 705 is stretched, the sliding plate 708 slides to the right to contact the third fixed column 710, the third fixed column 710 slides downwards along the slope of the sliding plate 708, the third sliding inclined block 709 moves downwards and disengages from the first fixed plate 702, the seventh spring 711 is compressed, when the third fixed column 710 disengages from the sliding plate 708 from the lower side, the fourth sliding frame 7 slides to the left under the action of the fifth spring 7032, and simultaneously the arc plate 701, the third sliding inclined block 709, the third fixed column 710 and the seventh spring 711 also slide to the left, when the fifth sliding frame 706 is reset to the left, the third connecting rod 707 and the sliding plate 708 are driven to slide to the left, and simultaneously the sixth spring 705 retracts to the original state, when the third sliding inclined block 709 moves to the third through hole on the first fixed plate 702, the seventh spring 711 springs up the third sliding inclined block 709, the third sliding inclined block 709 slides into the third through hole of the first fixed plate 702, then the fourth sliding frame 7 stops sliding, when the automatic feeding mechanism moves backwards, the ratchet bar 403 and the second fixed block 404 move backwards, when the second fixed block 404 contacts the fifth sliding frame 706 again, the fifth sliding frame 706 slides rightwards along the track of the second fixed block 404 and then returns leftwards, the fifth sliding frame 706 slides rightwards to stretch the sixth spring 705, the third connecting rod 707 and the sliding plate slide rightwards along with the sixth sliding frame, the fifth sliding frame 706 slides rightwards to contact the third fixed column 710, the third fixed column 710 slides downwards along the inclined plane at the bottom of the front end of the fifth sliding frame 706, the third sliding inclined block 709 is driven to descend, the seventh spring 711 is compressed, when the third fixed column 710 separates from the fifth sliding frame 706 from the lower part, the fourth sliding frame 7 slides leftwards under the action of the fifth spring 7032, meanwhile, the arc-shaped plate 701, the third sliding inclined block 709, the third fixed column 710 and the seventh spring 711 also slide leftwards, the fifth sliding frame 706 drives the third connecting rod 707 and the sliding plate 708 to slide leftwards when returning leftwards, meanwhile, the sixth spring 705 contracts to return to the original state, when the third sliding inclined block 709 moves to the second through hole on the first fixing plate 702, the seventh spring 711 bounces the third sliding inclined block 709 upwards, the third sliding inclined block 709 slides into the second through hole on the first fixing plate 702, then the fourth sliding frame 7 stops sliding, and at the moment, the arc-shaped plate 701 is just positioned at the bottom of the corrugated pipe, so that the function of lifting the corrugated pipe is realized.

As shown in fig. 2, the clamping mechanism includes a second gear 209, a first screw rod 210 and a clamping frame 302, the top of the first support frame 1 is rotatably connected with the first screw rod 210, the directions of threads on both sides of the first screw rod 210 are opposite, a second gear 209 is fixed in the middle of the first screw rod 210, the second gear 209 is matched with teeth on the top of the U-shaped rack 202, two clamping frames 302 are sleeved on both sides of the first screw rod 210, the lower half part of the inside of the clamping frame 302 is hollow, the corrugated pipe can be just clamped after the two clamping frames 302 are combined together, and a groove is formed in the cutting position of the two clamping frames 302, so that the clamping frame 302 can be prevented from being damaged by the saw blade 208 during cutting.

When the U-shaped rack 202 slides forward, the upper end of the U-shaped rack 202 just slides forward along the top wall of the first support frame 1, the upper end of the U-shaped rack 202 can enable the second gear 209 to rotate, the second gear 209 rotates to drive the first lead screw 210 to rotate, the thread directions of the two sides of the first lead screw 210 are opposite, the first lead screw 210 rotates to enable the two clamping frames 302 on the two sides to move inward, when the U-shaped rack 202 stops moving, the two clamping frames 302 just clamp the corrugated pipe, after cutting is completed, the U-shaped rack 202 slides backward to drive the second gear 209 to rotate backward, the second gear 209 rotates backward to drive the first lead screw 210 to rotate backward, the first lead screw 210 rotates backward to enable the two clamping frames 302 to open outward, and after the U-shaped rack 202 resets, the two clamping frames 302 on the two sides just reset the corrugated pipe, so that the function of clamping the corrugated pipe is realized.

As shown in fig. 2-3, 5 and 10, the automatic discharging mechanism includes an L-shaped fixing rod 1011, a first fixing frame 106, a first fixing block 303, an arc-shaped slide rail 304, a third slide frame 6, a first guide rod 601, a third spring 602, a second slide oblique block 603, a fourth spring 604, a fourth fixing block 605, a first pull rope 606, a first rotating wheel 607, a fifth fixing block 608 and a U-shaped connecting rod 609, wherein an L-shaped fixing rod 1011 is fixed on a right-biased position of a rear wall of the first supporting frame 1, a through hole is formed in a vertical rod 1011 of the L-shaped fixing rod 1011, a first rotating wheel 607 is rotatably connected to a top of the vertical rod of the L-shaped fixing rod, a first pull rope 606 is wound on the first rotating wheel 607, the first pull rope 606 moves to drive the first rotating wheel 607 to rotate, a first fixing frame 106 is fixed to a top of the first connecting frame 105, a through hole is formed in the first fixing frame 106, a first guide rod 601 is fixed in the first fixed frame 106, a third sliding frame 6 is connected in the first fixed frame 106 in a sliding manner, the third sliding frame 6 is sleeved on the first guide rod 601, the third sliding frame 6 can slide left and right in the first fixed frame 106, a third spring 602 is connected between the third sliding frame 6 and the right inner wall of the first fixed frame 106, a second sliding inclined block 603 is connected at the front end of the third sliding frame 6 in a sliding manner, the inclined plane of the second sliding inclined block 603 faces right, a cylindrical block is arranged at the top of the rear wall of the second sliding inclined block 603, the second sliding inclined block 603 can slide up and down at the front end of the third sliding frame 6, a fourth spring 604 is connected between the second sliding inclined block 603 and the third sliding frame 6, the fourth spring 604 provides upward elastic force for the second sliding inclined block 603, a fourth fixed block 605 is fixed at the rear part of the top wall of the third sliding frame 6, one end of a first pull rope 606 is fixed on the fourth fixed block 605, the third sliding frame 6 slides rightwards to pull a first pull rope 606, a U-shaped connecting rod 609 is connected in an L-shaped fixed rod 1011 in a sliding mode, a fifth fixed block 608 is fixed to the front side of the top wall of the U-shaped connecting rod 609, the fifth fixed block 608 and a fourth fixed block 605 are identical in shape and located on the same surface, the other end of the first pull rope 606 is fixed to the fifth fixed block 608, the fourth fixed block 605 moves rightwards to enable the fifth fixed block 608 to move upwards through the first pull rope 606, a first fixed block 303 is fixed to the rear wall of the clamping frame 302 on the right side, the first fixed block 303 can be matched with the second sliding inclined block 603, an arc-shaped slide rail 304 is fixed to the position, on the right side of the front wall of the first fixed frame 106, the top wall of the arc-shaped slide rail 304 is not in contact with the clamping frame 302, and a cylindrical block at the top of the rear wall of the second sliding inclined block 603 can slide in the arc-shaped slide rail 304.

Before cutting, the left movement of the right clamping frame 302 drives the first fixed block 303 to move left, the first fixed block 303 presses the second sliding sloping block 603 downwards when passing through the second sliding sloping block 603, the fourth spring 604 is compressed simultaneously, after the first fixed block 303 passes through the second sliding sloping block 603, the fourth spring 604 jacks the second sliding sloping block 603 upwards, after cutting, the right clamping frame 302 drives the first fixed block 303 to move rightwards when resetting, the first fixed block 303 drives the second sliding sloping block 603 to move rightwards, the second sliding sloping block 603 drives the third sliding frame 6, the fourth spring 604 and the fourth fixed block 605 to move rightwards, the third spring 602 is compressed, the first pull rope 606 is pulled simultaneously, the fifth fixed block 608 and the U-shaped connecting rod 609 are pulled to slide upwards along the L-shaped fixing rod 1011 by the other end of the first pull rope 606, the sliding clamping block 412 moves upwards along with the U-shaped connecting rod 609, after the sliding clamp 412 is separated from the first sliding frame 402, the rear end of the cut corrugated pipe is released, when the third sliding frame 6 is in contact with the third fixed column 710, the third sliding frame 6 presses the third fixed column 710 downwards, the third fixed column 710 descends to drive the third sliding inclined block 709 to descend, the third sliding inclined block 709 descends to compress the seventh spring 711, the third sliding inclined block 709 is separated from the second through hole on the first fixed plate 702, the fourth sliding frame 7 slides forwards under the action of the fifth spring 7032, when the third sliding inclined block 709 moves forwards to the first through hole on the first fixed plate 702, the seventh spring 711 springs the third sliding inclined block 709 upwards, the third sliding inclined block 709 is just clamped at the first through hole on the first fixed plate 702, the fourth sliding frame 7 stops sliding, and the fourth sliding frame 7 drives the arc-shaped plate 701 to push the cut corrugated pipe to the left, when the clamping frame 302 drives the first fixed block 303 and the second sliding inclined block 603 to move to the arc-shaped slide way 304, the cylindrical block on the top of the rear wall of the second sliding inclined block 603 slides to the right and downward direction along the arc-shaped slide way 304, and simultaneously drives the second sliding inclined block 603 to slide to the right and downward direction, and simultaneously compresses the fourth spring 604, when the clamping frame 302 on the right moves to the rightmost side, the second sliding inclined block 603 is separated from the first fixed block 303, the second sliding inclined block 603 is jacked up by the fourth spring 604, the third sliding frame 6 slides to the left and resets under the action of the third spring 602, and the second sliding inclined block 603, the fourth spring 604 and the fourth fixed block 605 move to the left and reset accordingly, so that the function of automatic discharging is realized.

Example 3

On the basis of embodiment 2, as shown in fig. 1 and 14, the device further comprises a connecting shaft 103, a feeding guide plate 5, a connecting block 501, a second connecting rod 502, a third sliding rod 503, a hook 504, a second fixing column 505, a torsion spring 506 and a third fixing block 507, wherein the connecting shaft 103 is fixed in the middle of the front side of the first support frame 1, the connecting shaft 103 is rotatably connected with the connecting block 501, the top of the connecting block 501 is fixedly connected with the feeding guide plate 5, the top of the feeding guide plate 5 is a semicircular track, the contact position of the front wall of the feeding guide plate 5 and the track is an arc surface, the bottom of the first support frame 1 is slidably connected with the third sliding rod 503, the front side of the bottom of the feeding guide plate 5 is rotatably connected with the second connecting rod 502, the second connecting rod 502 supports the feeding guide plate 5, and the other end of the second connecting rod 502 is hinged to the front end of the third sliding rod 503, when the third sliding rod 503 is fixed, the second connecting rod 502 cannot displace, the middle part of the left wall of the third sliding rod 503 is fixed with a second fixing column 505, the bottom of the front side of the first support frame 1 is fixed with a third fixing block 507, the third fixing block 507 is connected with a hook 504 in a rotating mode, the hook 504 can be connected with the second fixing column 505 in a clamping mode, when the hook 504 is connected with the second fixing column 505 in a clamping mode, the third sliding rod 503 is located at the foremost side and is in a locking state, the feeding guide plate 5 is in a horizontal state at the moment, a torsion spring 506 is connected between the hook 504 and the third fixing block 507, and the torsion spring 506 enables the hook 504 and the second fixing column 505 to automatically reset after being separated.

When a corrugated pipe is cut and needs to be fed again, a wrench is used for knocking the front end of the hook 504 to enable the hook 504 to be separated from the second fixing column 505, then the hook 504 is turned into a vertical state under the action of the torsion spring 506, then the third sliding rod 503 can slide backwards under the pressure of the feeding guide plate 5, or the third sliding rod 503 is manually pushed backwards, the bottom of the second connecting rod 502 moves backwards along with the third sliding rod 503, the top of the second connecting rod 502 can descend, then the front end of the feeding guide plate 5 inclines downwards, the connecting block 501 can rotate forwards, a new corrugated pipe can be conveniently installed in the device for cutting, after the corrugated pipe is installed, the feeding guide plate 5 is lifted upwards, the third sliding rod 503 is pulled forwards to a limit position, then the hook 504 is rotated, and the hook 504 is enabled to be clamped with the second fixing column 505 on the left wall of the third sliding rod 503, the third sliding rod 503 is locked by the hook 504 and cannot move, and the feeding guide plate 5 is kept horizontal, so that the corrugated pipe is conveniently pulled backwards, the corrugated pipe is prevented from falling from the equipment after being loosened by the clamping mechanism, and the function of facilitating feeding is realized.

As shown in fig. 2, the slide rail device further comprises a limiting block 107, the top wall of each slide rail 104 is connected with a limiting block 107 through a screw, the limiting blocks 107 are connected with the slide rails 104 through screws, and the positions of the limiting blocks 107 can be adjusted on the slide rails 104.

A plurality of screw holes have all been seted up to the rear end of two slide rails 104, when the bellows of different length is cut out to needs, can adjust the position of two stopper 107 on two slide rails 104 to this position of adjusting first carriage 402, thereby the length of the bellows that changes the pulling-in equipment realizes the function of the length of the bellows of adjusting the cutting out.

As shown in fig. 2, the cutting tool further comprises a dust collector 3 and dust collection pipes 301, the dust collector 3 is mounted in the middle of the top wall of the first support frame 1, the dust collector 3 can be periodically taken down for cleaning, the dust collection pipes 301 are communicated with the left side and the right side of the dust collector 3, the other end of each dust collection pipe 301 is connected to the clamping frame 302 on the same side, and the dust collector 3 can absorb smoke, dust and debris generated during cutting through the dust collection pipes 301.

Smog, dust and debris can be produced when the pvc bellows is cut, the bottom in the clamping frame 302 is empty, the dust suction pipe 301 is just connected to the cavity at the bottom of the clamping frame 302, the dust collector 3 is started during cutting, the smog, the dust and the debris can enter the dust collector 3 along the dust suction pipe 301 on the clamping frame 302, and the smog, the dust and the debris produced during cutting are absorbed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A PVC corrugated pipe cutting equipment is characterized in that: the corrugated pipe cutting machine comprises a first support frame (1), a second support frame (101), a third support frame (102), slide rails (104), a cutting mechanism, a clamping mechanism, an automatic discharging mechanism and an automatic feeding mechanism, wherein the first support frame (1) is positioned at the forefront of the equipment, two slide rails (104) are fixed at the bottom of the rear wall of the first support frame (1), the third support frame (102) is fixed at the rear part of the top wall of the two slide rails (104), the second support frame (101) is fixed at the middle part of the right wall of the slide rail (104) at the right side close to the front position, the cutting mechanism is arranged in the third support frame (102), the cutting mechanism is used for cutting a corrugated pipe, the clamping mechanism is arranged at the top of the first support frame (1), the clamping mechanism is used for clamping the corrugated pipe, the automatic discharging mechanism is arranged in the cutting mechanism, the automatic discharging mechanism can push the cut corrugated pipe out to the left, the automatic feeding mechanism is arranged in the first support frame (1), the automatic feeding mechanism is used for automatically conveying the corrugated pipe backwards.

2. A pvc bellows cutting apparatus as claimed in claim 1, wherein: the automatic feeding mechanism comprises a first slide way (1001), a fourth motor (4), a second screw rod (401), a first slide frame (402), a first fixed column (405), a second slide frame (406), a first sliding rod (407), a first spring (408), a first sliding inclined block (409), a second spring (410), a second connecting frame (411), a sliding clamping block (412), an L-shaped rod (413) and a fixed slide way (414), wherein the right side of the rear wall of the first support frame (1) is fixedly provided with the first slide way (1001), the middle parts of the rear sides of the top walls of the two slide ways (104) are provided with the fourth motor (4), an output shaft of the fourth motor (4) is connected with the second screw rod (401), the front end of the second screw rod (401) is rotatably connected to the bottom of the rear wall of the first support frame (1), the two slide ways (104) are jointly and slidably connected with the first slide frame (402), the first sliding frame (402) is sleeved on the second screw rod (401), three first sliding rods (407) are connected in the first sliding frame (402) in a sliding mode, the tops of the three first sliding rods (407) are fixed on the second sliding frame (406), each first sliding rod (407) is sleeved with a first spring (408), one end of each first spring (408) is connected to the corresponding first sliding rod (407), the other end of each first spring (408) is connected to the corresponding first sliding frame (402), a first fixed column (405) is fixed to the bottom of the right wall of the second sliding frame (406), a fixed slide way (414) is fixed to the right side of the second sliding frame (406), a sliding clamping block (412) is connected in the fixed slide way (414) in a sliding mode, an L-shaped rod (413) is fixed to the top of the sliding clamping block (412), a second connecting frame (411) is fixed to the middle portion of the rear side of the top wall of the first supporting frame (1), a first sliding inclined block (409) is connected on the second connecting frame (411) in a sliding manner, and a second spring (410) is connected between the first sliding inclined block (409) and the second connecting frame (411).

3. A pvc bellows cutting apparatus as claimed in claim 2, wherein: the cutting mechanism comprises a first motor (2), a first gear (201), a U-shaped rack (202), a second motor (203), a first connecting rod (204), a sliding block (2041), limiting plates (205), a first cylinder (206), a third motor (207), a saw blade (208) and a lifting mechanism, wherein the first motor (2) is installed in the middle of a third support frame (102), the first gear (201) is connected onto an output shaft of the first motor (2), the U-shaped rack (202) is connected to the middle of the third support frame (102) in a sliding manner, the other side of the U-shaped rack (202) is connected with the top of the first support frame (1) in a sliding manner, the second motor (203) is installed on the front wall of the short side of the U-shaped rack (202), the first connecting rod (204) is connected onto an output shaft of the second motor (203), and the two limiting plates (205) are symmetrically installed on the left and right of the rear wall of the first connecting rod (204), the both sides of head rod (204) all opened a word hole, equal sliding connection has a sliding block (2041) in the word hole of head rod (204) both sides, all install a cylinder (206) in the word hole of head rod (204) both sides, the output shaft of a cylinder (206) is on sliding block (2041) of homonymy, a No. three motor (207) are all installed to the antetheca of every sliding block (2041), all be connected with a saw bit (208) on the output shaft of No. three motor (207), lift the mechanism and install on second support frame (101), lift the bottom that the mechanism was used for holding the bellows when the cutting.

4. A pvc bellows cutting apparatus as claimed in claim 3, wherein: the lifting mechanism comprises a first connecting frame (105), a ratchet bar (403), a second fixed block (404), a fourth sliding frame (7), an arc-shaped plate (701), a first fixed plate (702), a second fixed frame (703), a second guide rod (7031), a fifth spring (7032), a second fixed plate (704), a sixth spring (705), a fifth sliding frame (706), a third connecting rod (707), a sliding plate (708), a third sliding inclined block (709), a third fixed column (710), a seventh spring (711), a second pull rope (712), a second rotating wheel (713), a rope frame (714), a first rotating shaft (715), a first belt pulley (716), a first transmission belt (717), a second belt pulley (718), a ratchet wheel (719) and a sixth fixed block (720), the first connecting frame (105) is fixed at the top of the front wall of the second supporting frame (101), and the second fixed plate (704) is fixed at the top of the rear wall of the second supporting frame (101), a fifth sliding frame (706) is connected to the top of the second fixing plate (704) in a sliding manner, a sixth spring (705) is connected between the fifth sliding frame (706) and the second fixing plate (704), a ratchet rack (403) is fixed to the bottom of the right wall of the first sliding frame (402), a second fixing block (404) is fixed to the top of the right wall of the first sliding frame (402), a second fixing frame (703) is fixed to the top of the second supporting frame (101), a first fixing plate (702) is fixed to the top of the second fixing frame (703), the front end of the fifth sliding frame (706) is connected to the front wall of the first fixing plate (702) in a sliding manner, a third connecting rod (707) is fixed to the front wall of the fifth sliding frame (706), a sliding plate (708) is connected to the front wall of the first fixing plate (702) in a sliding manner, and the right end of the third connecting rod (707) is fixed to the sliding plate (708), a second guide rod (7031) is fixed in the second fixed frame (703), a fourth sliding frame (7) is connected in the second fixed frame (703) in a sliding manner, an arc-shaped plate (701) is installed on the left wall of the fourth sliding frame (7), a fifth spring (7032) is connected between the fourth sliding frame (7) and the right inner wall of the second fixed frame (703), a third sliding inclined block (709) is connected at the front end of the fourth sliding frame (7) in a sliding manner, a seventh spring (711) is connected between the third sliding inclined block (709) and the fourth sliding frame (7), a third fixed column (710) is fixed on the front wall of the third sliding inclined block (709), a first rotating shaft (715) is rotatably connected at the right rear side of the second supporting frame (101), a rope frame (714) is fixed at the top of the first rotating shaft (714), and a second pull rope (712) is wound in the rope frame (714), the bottom of first pivot (715) is fixed with a first belt pulley (716), the top wall rightmost side of the fixed frame of second (703) rotates and is connected with a second and rotates wheel (713), second stay cord (712) are fixed on fourth carriage (7) around second rotation wheel (713), slide rail (104) the middle part on right side is fixed with a sixth fixed block (720), the top of sixth fixed block (720) rotates and is connected with a ratchet (719), the top fixedly connected with a second belt pulley (718) of ratchet (719), around having a first drive belt (717) between first belt pulley (716) and second belt pulley (718).

5. A pvc corrugated pipe cutting apparatus as claimed in claim 4, wherein: the clamping mechanism comprises a second gear (209), a first screw rod (210) and a clamping frame (302), the top of the first support frame (1) is rotatably connected with the first screw rod (210), the middle of the first screw rod (210) is fixedly provided with the second gear (209), and two clamping frames (302) are sleeved on two sides of the first screw rod (210).

6. A pvc corrugated pipe cutting apparatus as claimed in claim 5, wherein: the automatic discharging mechanism comprises an L-shaped fixed rod (1011), a first fixed frame (106), a first fixed block (303), an arc-shaped slideway (304), a third sliding frame (6), a first guide rod (601), a third spring (602), a second sliding inclined block (603), a fourth spring (604), a fourth fixed block (605), a first pull rope (606), a first rotating wheel (607), a fifth fixed block (608) and a U-shaped connecting rod (609), wherein the L-shaped fixed rod (1011) is fixed at the position of the right side of the rear wall of the first supporting frame (1), the top of the front wall of the vertical rod of the L-shaped fixed rod (1011) is rotatably connected with a first rotating wheel (607), the first pull rope (606) is wound on the first rotating wheel (607), the top of the first connecting frame (105) is fixed with the first fixed frame (106), the first guide rod (601) is fixed in the first fixed frame (106), a third sliding frame (6) is connected in the first fixing frame (106) in a sliding manner, a third spring (602) is connected between the third sliding frame (6) and the inner wall of the right side of the first fixing frame (106), the front end of the third sliding frame (6) is connected with a second sliding inclined block (603), a fourth spring (604) is connected between the second sliding inclined block (603) and the third sliding frame (6), a fourth fixing block (605) is fixed at the rear part of the top wall of the third sliding frame (6), one end of a first pull rope (606) is fixed on the fourth fixing block (605), a U-shaped connecting rod (609) is connected in an L-shaped fixing rod (1011) in a sliding manner, a fifth fixing block (608) is fixed at the front side of the top wall of the U-shaped connecting rod (609), the other end of the first pull rope (606) is fixed on the fifth fixing block (608), a first fixing block (303) is fixed on the rear wall of the clamping frame (302) on the right side, an arc-shaped slide way (304) is fixed on the front wall of the first fixing frame (106) at a position which is close to the right.

7. A pvc bellows cutting apparatus as claimed in claim 6, wherein: the material feeding device is characterized by further comprising a connecting shaft (103), a feeding guide plate (5), a connecting block (501), a second connecting rod (502), a third sliding rod (503), a hook (504), a second fixing column (505), a torsion spring (506) and a third fixing block (507), wherein the connecting shaft (103) is fixed in the middle of the front side of the first support frame (1), the connecting shaft (103) is rotatably connected with the connecting block (501), the top of the connecting block (501) is fixedly connected with the feeding guide plate (5), the bottom of the first support frame (1) is slidably connected with the third sliding rod (503), the front side of the bottom of the feeding guide plate (5) is rotatably connected with the second connecting rod (502), the other end of the second connecting rod (502) is hinged to the front end of the third sliding rod (503), the middle of the left wall of the third sliding rod (503) is fixedly provided with the second fixing column (505), the bottom of the front side of the first support frame (1) is fixedly provided with the third fixing block (507), the third fixed block (507) is rotatably connected with a hook (504), and a torsion spring (506) is connected between the hook (504) and the third fixed block (507).

8. A pvc bellows cutting apparatus as claimed in claim 7, wherein: the sliding rail structure is characterized by further comprising a limiting block (107), and the top wall of each sliding rail (104) is connected with the limiting block (107) through a screw.

9. A pvc bellows cutting apparatus as claimed in claim 8, wherein: the dust collector is characterized by further comprising a dust collector (3) and dust collection pipes (301), the dust collector (3) is installed in the middle of the top wall of the first support frame (1), the left side and the right side of the dust collector (3) are communicated with the dust collection pipes (301), and the other end of each dust collection pipe (301) is connected to the clamping frame (302) on the same side.