CN213496894U

CN213496894U - Tube sawing machine for roller production

Info

Publication number: CN213496894U
Application number: CN202022469604.4U
Authority: CN
Inventors: 全鹏; 全景祥; 江丽; 李承双
Original assignee: Yangzhou Guannuo Machinery Equipment Co ltd
Current assignee: Yangzhou Guannuo Machinery Equipment Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-22
Anticipated expiration: 2030-10-30

Abstract

The utility model provides a tube sawing machine for roller production in the technical field of tube sawing equipment, which comprises a frame, wherein a clamping mechanism and a cutting mechanism are arranged on the frame, the clamping mechanism comprises a fixed seat, a clamping jaw I and a clamping jaw II which can move in the front and back directions are arranged on the fixed seat, the clamping jaw I and the clamping jaw II are respectively provided with a cutting groove, the two cutting grooves are oppositely arranged, the cutting mechanism comprises a rotating seat which can rotate up and down, a saw blade is rotatably connected on the rotating seat, the saw blade is right above the cutting groove, a primary conveying mechanism is arranged on the frame, the primary conveying mechanism comprises a moving seat which can move in the left and right directions, a righting mechanism is arranged on the moving seat, the righting mechanism comprises a clamping jaw III fixed on the moving seat, a clamping jaw IV which can move in the front and back directions is arranged on the moving seat in front of the clamping jaw, the blanking table is provided with a blanking plate which can move in the front and back directions; the utility model discloses convenient to use, the sawing precision is high.

Description

Tube sawing machine for roller production

Technical Field

The utility model belongs to the technical field of the pipe sawing equipment, in particular to pipe sawing machine is used in roller production.

Background

The production of roller needs a large amount of pipe materials such as roller outer tube and back shaft, and often needs to cut the pipe material in the production process of pipe material to satisfy the pipe material length that different occasions and model need, in order to make things convenient for the shearing of pipe material, the pipe saw machine commonly used at present cuts the pipe material, and the pipe saw machine that has good comprehensive properties has important meaning to the production of roller.

In the prior art, when workers process pipe fittings, the pipe fittings are generally fixed in a mode of pressing with both hands, but the operation has potential safety hazards, the labor intensity is too high, the working efficiency is low, if mass production is realized, a large number of skilled operators must be hired, and the labor cost is high. And the manual sawing is adopted, so that the defects of low repeated precision of manual positioning, difficult feeding, low sawing precision and the like exist, and the yield of the processed finished pipe material is low.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model discloses an aim at solves the weak point among the prior art, has solved and has used inconveniently among the prior art, technical problem that the sawing precision is low provides a tube sawing machine is used in roller production, and this device convenient to use, the sawing precision is high.

The purpose of the utility model is realized like this: a tube sawing machine for roller production comprises a machine frame, wherein a clamping mechanism and a cutting mechanism are arranged on the machine frame, the clamping mechanism comprises a fixed seat fixed on the machine frame, a first clamping jaw and a second clamping jaw capable of reciprocating linear motion in the front-back direction are arranged on the fixed seat, the first clamping jaw and the clamping surface of the second clamping jaw are arranged oppositely, a first cutting groove communicated with each other is formed in the first clamping jaw and the second clamping jaw respectively, the two cutting grooves are arranged oppositely, the cutting mechanism comprises a rotating seat capable of rotating up and down, a saw blade is rotatably connected to the rotating seat, the saw blade is arranged right above the cutting groove, a first-level conveying mechanism is arranged on the machine frame on one side of the clamping mechanism, the first-level conveying mechanism comprises a moving seat capable of reciprocating linear motion in the left-right direction, a centering mechanism is arranged on the moving seat, and the centering mechanism comprises a, the clamping jaw III is provided with a clamping jaw IV capable of reciprocating linear motion in the front-back direction on the moving seat in front of the clamping jaw III, the frame on the other side of the clamping mechanism is provided with a blanking mechanism, the blanking mechanism comprises a blanking table connected to the frame, a pipe cut by the saw blade can fall onto the blanking table, and the blanking table is provided with a blanking plate capable of reciprocating linear motion in the front-back direction.

The utility model discloses during operation, place the leftmost end of tubular product between clamping jaw three and clamping jaw four, clamping jaw four moves backward, make tubular product be cliied by clamping jaw three and clamping jaw four, the action of one-level transport mechanism, the removal seat drives tubular product and moves right, when tubular product reachs between clamping jaw one and clamping jaw two, according to the cutting length that needs, one-level transport mechanism stops the action, clamping jaw two moves backward, clamping jaw one and clamping jaw two clip tubular product, cutting mechanism works, the rotation seat rotates from top to bottom, the saw bit limit moves down and rotates in cutting groove, the saw bit rotates and acts on and cuts tubular product on tubular product, after tubular product is cut down, the rotation seat drives the saw bit and rotates upwards, one-level transport mechanism continues to work, after the removal seat drives tubular product and continues to move right and set the distance, the removal seat stops moving, the rotation seat rotates downwards, the saw bit cuts tubular product once more, anal, realize continuous many times cutting, the thrust that receives right of the tubular product that is cut drops on the unloading platform, and the unloading board promotes the tubular product forward and drops and concentrate to the collection box of treating that is ready (the collection box is prior art, this drawing is not drawn): the clamping jaw I and the clamping jaw II in the utility model can stabilize the coffin, avoid the pipe from moving and improve the cutting precision when cutting the pipe; the movable seat, the clamping jaw III and the clamping jaw IV are combined, so that the pipe is stably conveyed to the lower part of the saw blade, continuous cutting is realized, the structure is stable, and the use is convenient; due to the arrangement of the blanking mechanism, automatic blanking of the pipe is realized, labor is saved, and the working efficiency is high; the utility model discloses can be applied to in the processing work of tubular product.

In order to realize the continuous conveying of the pipe, a second-stage conveying mechanism is further arranged on the fixed seat and comprises a movable plate capable of linearly reciprocating in the left-right direction, the movable plate is arranged between the fixed seat and the movable seat, a first holding claw and a second holding claw which extend downwards are rotatably connected onto the movable plate, a rack capable of moving up and down is further arranged on the movable plate, the front side and the rear side of the rack are respectively meshed with the first holding claw and the second holding claw, and the first holding claw and the second holding claw can convey the pipe between the first clamping claw and the second clamping claw.

In order to realize that the movable plate can move left and right, the rack can be lifted, a supporting seat is arranged on the fixing seat, a first linear driver is arranged on the supporting seat, a push rod capable of reciprocating linear motion in the left and right directions is arranged on the first linear driver, the movable plate is connected to the push rod, a second linear driver is arranged on the movable plate, a lifting rod capable of being lifted is arranged on the second linear driver, and the upper end of the rack is connected with the lifting rod.

In order to realize that the second clamping jaw can move in a reciprocating linear manner in the front-back direction, namely the first clamping jaw and the second clamping jaw can clamp the pipe, the fixing seat is further provided with a third linear driver, the third linear driver is provided with a moving rod capable of moving in a reciprocating linear manner in the front-back direction, and the second clamping jaw is connected with the moving rod.

In order to realize moving the seat and can be at the reciprocal linear motion of left and right directions, the one end that the unloading platform was kept away from to the frame is equipped with the fixed plate, rotatable being connected with on the fixed plate rotates the screw rod, and the rotatable connection of the one end that the fixed plate was kept away from to the rotation screw rod is on the fixing base, remove seat threaded connection on rotating the screw rod, still be connected with at least one and the guide arm that rotates screw rod parallel arrangement on the fixed plate, the guide arm passes and removes the seat and connect on the fixing base, still be equipped with driving motor on the fixed plate, driving motor.

In order to realize that the clamping jaw IV can reciprocate in the front-back direction, the moving seat is provided with a linear driver IV, the linear driver IV is provided with a telescopic rod capable of reciprocating in the front-back direction, and the telescopic rod is connected with the clamping jaw IV.

In order to realize the rotation of the saw blade, a hinged seat is arranged on the rack, the hinged seat is hinged to the hinged seat, a rotating motor is arranged on the rotating seat, the output end of the motor is provided with a driving wheel, the rotating seat is rotatably connected with a rotating shaft, one end of the rotating shaft is provided with a driven wheel, the driving wheel is in transmission connection with the driven wheel through a chain, the other end of the rotating shaft is connected with the saw blade, a linear driver V is arranged on the rack, a liftable push-pull rod is arranged on the linear driver V, and the upper end of the push-pull rod.

In order to realize the blanking of the pipe, a linear driver six is arranged on the blanking table, a material pushing rod capable of linearly moving back and forth in the front and back direction is arranged on the linear driver six, and one end, facing outwards, of the material pushing rod is connected with the blanking plate.

As a further improvement, the screw rod is rotated below the waste material opening is provided with a waste material opening in the frame, the frame is also provided with a waste material plate extending downwards, and the waste material plate is arranged under the waste material opening.

As the utility model discloses a further improvement still includes the material loading frame, goes up the material loading frame and goes up to be provided with the sliding material board to down dip from the back, the front side of sliding material board is equipped with the striker plate, forms the silo on between striker plate and the sliding material board, the one end of keeping away from the frame on going up the material loading frame is equipped with sharp driver seven, be equipped with on the sharp driver seven and can follow the material loading pole of last silo about direction reciprocating motion, the material loading pole can be along last silo push away tubular product clamping jaw three and clamping jaw between four.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic view of a three-dimensional structure of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partially enlarged view of fig. 2 at B.

Fig. 5 is a schematic perspective view of the present invention.

Fig. 6 is a partially enlarged view of C in fig. 5.

In the figure: 1, 101, 102, 2, 201, 202, 203, two clamping jaws, 204, 205, three linear drivers, 206, 3, cutting mechanisms, 301, 302 saw blades, 303, 304, driving wheels, 305, rotating shafts, 306, driven wheels, 307, five linear drivers, 308, push-pull rods, 4-stage conveying mechanisms, 401, 402, fixed plates, 403, rotating screws, 404 guide rods, 405, 5, two-stage conveying mechanisms, 501, 502, 503, 504, rack, 505, 506, one linear driver, 507, 508, two linear drivers, 509, lifting rods, 6, 601, three clamping jaws, 602, four clamping jaws, 603, four linear drivers, 604, 7, 701, 702, 703, six linear drivers, 704, 801, 8, telescopic rods, sliding plates, 802 stock stop, 803 material loading trough, 9 linear actuator seven, 901 material loading rod.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 6, a tube sawing machine for roller production comprises a frame 1, a clamping mechanism 2 and a cutting mechanism 3 are arranged on the frame 1, the clamping mechanism 2 includes a fixing seat 201 fixed on the frame 1, a first clamping jaw 202 and a second clamping jaw 203 capable of reciprocating in a front-back direction are arranged on the fixing seat 201, a clamping surface of the first clamping jaw 202 is opposite to a clamping surface of the second clamping jaw 203, the first clamping jaw 202 and the second clamping jaw 203 are respectively provided with a cutting groove 204 communicated with each other, the two cutting grooves 204 are opposite to each other, the cutting mechanism 3 includes a rotating seat 301 capable of rotating up and down, the rotating seat 301 is rotatably connected with a saw blade 302, the saw blade 302 is right above the cutting groove 204, a first-stage conveying mechanism 4 is arranged on the frame 1 on one side of the clamping mechanism 2, the first-stage conveying mechanism 4 includes a moving seat 401 capable of reciprocating in a left-right direction, a centering mechanism 6 is arranged on the moving seat 401, the centering, a fourth clamping jaw 602 which can move in a reciprocating linear manner in the front-back direction is arranged on the moving seat 401 in front of the third clamping jaw 601, a blanking mechanism 7 is arranged on the rack 1 on the other side of the clamping mechanism 2, the blanking mechanism 7 comprises a blanking table 701 connected to the rack 1, a pipe cut by the saw blade 302 can fall onto the blanking table 701, a blanking plate 702 which can move in the reciprocating linear manner in the front-back direction is arranged on the blanking table 701, a second-stage conveying mechanism 5 is further arranged on the fixed seat 201 and comprises a moving plate 501 which can move in a reciprocating linear manner in the left-right direction, the moving plate 501 is arranged between the fixed seat 201 and the moving seat 401, a first holding jaw 502 and a second holding jaw 503 which extend downwards are rotatably connected to the moving plate 501, a rack 504 which can move up and down is further arranged on the moving plate 501, the front side and the back side of the rack 504 are respectively meshed with the first holding jaw 502 and the second holding jaw 503, and the first holding jaw; a supporting seat 505 is arranged on the fixed seat 201, a first linear driver 506 is arranged on the supporting seat 505, a push rod 507 capable of performing reciprocating linear motion in the left-right direction is arranged on the first linear driver 506, the moving plate 501 is connected to the push rod 507, a second linear driver 508 is arranged on the moving plate 501, a lifting rod 509 capable of lifting is arranged on the second linear driver 508, and the upper end of the rack 504 is connected with the lifting rod 509; a third linear driver 205 is further arranged on the fixed seat 201, a moving rod 206 capable of reciprocating in a linear motion in the front-back direction is arranged on the third linear driver 205, and the second clamping jaw 203 is connected with the moving rod 206; one end of the frame 1, which is far away from the blanking table 701, is provided with a fixing plate 402, the fixing plate 402 is rotatably connected with a rotating screw 403, one end of the rotating screw 403, which is far away from the fixing plate 402, is rotatably connected to the fixing seat 201, the moving seat 401 is in threaded connection with the rotating screw 403, the fixing plate 402 is further connected with at least one guide rod 404 which is parallel to the rotating screw 403, the guide rod 404 passes through the moving seat 401 and is connected to the fixing seat 201, the fixing plate 402 is further provided with a driving motor 405, and an output shaft of the driving motor 405 is connected.

As a further improvement of the present invention, a linear actuator four 603 is disposed on the movable base 401, a telescopic rod 604 capable of reciprocating in a front-rear direction is disposed on the linear actuator four 603, and the telescopic rod 604 is connected with the clamping jaw four 602; a hinged seat is arranged on the rack 1, the rotating seat 301 is hinged on the hinged seat, a rotating motor 303 is arranged on the rotating seat 301, a driving wheel 304 is arranged at the output end of the motor, a rotating shaft 305 is rotatably connected on the rotating seat 301, a driven wheel 306 is arranged at one end of the rotating shaft 305, the driving wheel 304 is in transmission connection with the driven wheel 306 through a chain, the other end of the rotating shaft 305 is connected with the saw blade 302, a linear driver five 307 is arranged on the rack 1, a lifting push-pull rod 308 is arranged on the linear driver five 307, and the upper end of the push-pull rod; a linear driver six 703 is arranged on the blanking table 701, a material pushing rod 704 capable of reciprocating and linearly moving in the front-back direction is arranged on the linear driver six 703, and one outward end of the material pushing rod 704 is connected with the blanking plate 702; a waste material port 101 is formed in the frame 1 below the rotating screw 403, a waste material plate 102 extending downwards is further arranged on the frame 1, and the waste material plate 102 is located right below the waste material port 101.

As the utility model discloses a further improvement still includes material loading frame 8, material loading frame 8 goes up and is provided with smooth flitch 801 to down sloping from the back, the front side of smooth flitch 801 is equipped with striker plate 802, form silo 803 between striker plate 802 and the smooth flitch 801, the one end of keeping away from frame 1 on the material loading frame 8 is equipped with seven 9 of linear actuator, be equipped with on seven 9 of linear actuator can follow silo 803 about direction reciprocating motion's material loading pole 901, material loading pole 901 can be along last silo 803 with tubular product push away clamping jaw three 601 and clamping jaw four 602 between.

When the utility model works, a pipe falls on the material sliding plate 801 and slides into the material loading groove 803 under the action of gravity, the material loading rod 901 of the linear actuator seven 9 moves rightwards, the pipe pushed by the material loading rod 901 reaches between the clamping jaw three 601 and the clamping jaw four 602, when the leftmost end of the pipe reaches the righting mechanism 6, the telescopic rod 604 of the linear actuator four 603 moves backwards, the telescopic rod 604 clamping jaw four 602 pushes the pipe to move backwards, the clamping jaw four 602 pushes the pipe to move backwards until the pipe is clamped by the clamping jaw three 601 and the clamping jaw four 602, the driving motor 403 drives the rotating bolt to rotate, the moving seat 401 moves rightwards along the rotating screw under the guiding action of the guide rod 404, the moving seat 401 drives the pipe to move rightwards, the pipe reaches between the clamping jaw one 202 and the clamping jaw two 203, according to the required cutting length, the driving motor 405 is controlled to stop, the moving rod 206 of the linear actuator three 205 pushes the clamping jaw, the pipe is clamped by the first clamping jaw 202 and the second clamping jaw 203, the cutting mechanism 3 works, the rotating motor 303 drives the driving wheel 304 to rotate, the driving wheel 304 drives the driven wheel 306 to rotate through chain transmission (the chain transmission of the utility model is the prior art, not shown in the drawing), the driven wheel 306 drives the saw blade 302 to rotate through the rotating shaft 305, then the push-pull rod 308 of the five-line driver 307 moves downwards, the push-pull rod 308 drives the rotating seat 301 to rotate downwards around the hinged seat, namely the saw blade 302 moves downwards while rotating, the saw blade 302 rotates to cut off the pipe, after the pipe is cut off, the push-pull rod 308 of the five-line driver 307 moves upwards, the push-pull rod 308 drives the rotating seat 301 to rotate upwards around the hinged seat, the rotating seat 301 drives the saw blade 302 to rotate upwards, then the driving motor 405 of the primary conveying mechanism 4 continues to work, the moving seat 401 drives the pipe to move downwards to a set distance, the driving motor 405 stops moving again, the push-pull rod 308 of the linear driver five 307 moves downwards, the rotating seat 301 rotates downwards, the saw blade 302 cuts the pipe again, and so on, so that the pipe is cut continuously for multiple times, when the primary conveying mechanism 4 moves rightwards to a set position of the rack 1, the driving motor 405 stops working, the lifting rod 509 of the linear driver two 508 moves downwards, the lifting rod 509 drives the rack 504 to move downwards, the holding claw one 502 and the holding claw two 503 rotate downwards to hold the pipe, the telescopic rod 604 of the linear driver four 603 moves forwards, the clamping claw three 601 and the clamping claw four 602 release the pipe, then the driving motor 405 drives the moving seat 401 to move leftwards, the next pipe is conveyed, the secondary conveying mechanism 5 replaces the primary conveying mechanism 4 to continue conveying the pipe rightwards, the push rod 507 of the linear driver one 506 pushes the moving seat 401 rightwards, the moving seat 401 drives the holding claw one 502 and the holding claw two 503, the first holding claw 502 and the second holding claw 503 drive the pipe to move rightward continuously, according to the required cutting length, the clamping mechanism 2 and the cutting mechanism 3 work to cut the pipe continuously, the cut pipe is pushed rightwards to drop on the blanking table 701, the material pushing rod 704 of the linear driver six 703 pushes the blanking plate 702 forwards, the blanking plate 702 forwards pushes the pipe to drop and collect in a prepared to-be-collected box (the collected box is the prior art, and the drawing is not shown), the pipe waste which cannot be cut continuously can be left on the second-stage clamping mechanism 2 at last, the lifting rod 509 of the linear driver two 508 upwards drives the rack 504 to move, the first holding claw 502 and the second holding claw 503 release the pipe waste, the pipe waste drops on the waste plate 102 from the waste opening 101, and drops and collects in the prepared waste box from the waste plate 102 (the waste box is the prior art, and the drawing is not shown): the arrangement of the first clamping jaw 202 and the second clamping jaw 203 in the utility model can stabilize the coffin, avoid the pipe from moving and improve the cutting precision when cutting the pipe; the movable seat 401, the clamping jaw three 601 and the clamping jaw four 602 are jointly arranged, so that the pipe is stably conveyed to the position below the saw blade 302, continuous cutting is realized, the structure is stable, and the use is convenient; due to the arrangement of the blanking mechanism 7, automatic blanking of the pipe is realized, labor is saved, and the working efficiency is high; the utility model discloses can be applied to in the processing work of tubular product.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims

1. The utility model provides a tube sawing machine is used in roller production, includes the frame, its characterized in that: the cutting machine is characterized in that the rack is provided with a clamping mechanism and a cutting mechanism, the clamping mechanism comprises a fixed seat fixed on the rack, the fixed seat is provided with a first clamping jaw and a second clamping jaw capable of reciprocating linear motion in the front-back direction, the first clamping jaw and a clamping surface of the second clamping jaw are arranged oppositely, the first clamping jaw and the second clamping jaw are respectively provided with a cutting groove communicated with each other, the two cutting grooves are arranged oppositely, the cutting mechanism comprises a rotating seat capable of rotating up and down, the rotating seat is rotatably connected with a saw blade, the saw blade is arranged right above the cutting groove, the rack on one side of the clamping mechanism is provided with a first-stage conveying mechanism, the first-stage conveying mechanism comprises a moving seat capable of reciprocating linear motion in the left-right direction, the moving seat is provided with a centering mechanism, the centering mechanism comprises a third clamping jaw fixed on the moving seat, and a fourth clamping jaw capable of reciprocating linear motion in, the blanking mechanism is arranged on the rack on the other side of the clamping mechanism and comprises a blanking table connected to the rack, a pipe cut by the saw blade can fall onto the blanking table, and a blanking plate capable of moving in a reciprocating linear mode in the front-back direction is arranged on the blanking table.

2. The tube sawing machine for producing the roller tube according to claim 1, wherein: the pipe clamping device is characterized in that a second-stage conveying mechanism is further arranged on the fixed seat and comprises a movable plate capable of linearly reciprocating in the left-right direction, the movable plate is arranged between the fixed seat and the movable seat, a first holding claw and a second holding claw which extend downwards are rotatably connected to the movable plate, a rack capable of moving up and down is further arranged on the movable plate, the front side and the rear side of the rack are respectively meshed with the first holding claw and the second holding claw, and the first holding claw and the second holding claw can convey a pipe to a position between the first clamping claw and the second clamping claw.

3. The tube sawing machine for producing the roller tube as claimed in claim 2, wherein: the movable rack is characterized in that a supporting seat is arranged on the fixed seat, a first linear driver is arranged on the supporting seat, a push rod capable of reciprocating in the left-right direction is arranged on the first linear driver, the movable plate is connected to the push rod, a second linear driver is arranged on the movable plate, a lifting rod capable of lifting is arranged on the second linear driver, and the upper end of the rack is connected with the lifting rod.

4. The tube sawing machine for producing the roller tube according to claim 1, wherein: the fixed seat is further provided with a third linear driver, the third linear driver is provided with a moving rod capable of reciprocating in the front-back direction, and the second clamping jaw is connected with the moving rod.

5. The tube sawing machine for producing the roller tube according to claim 1, wherein: the one end that the unloading platform was kept away from to the frame is equipped with the fixed plate, rotatable being connected with on the fixed plate rotates the screw rod, rotates the rotatable connection of one end that the fixed plate was kept away from to the screw rod and is on the fixing base, remove a threaded connection on rotating the screw rod, still be connected with at least one and rotate screw rod parallel arrangement's guide arm on the fixed plate, the guide arm passes and removes a connection on the fixing base, still be equipped with driving motor on the fixed plate, driving motor's output shaft is connected with the rotation screw rod.

6. The tube sawing machine for producing the roller tube as claimed in claim 5, wherein: the moving seat is provided with a linear driver IV, the linear driver IV is provided with a telescopic rod capable of reciprocating in the front-back direction, and the telescopic rod is connected with the clamping jaw IV.

7. The tube sawing machine for producing the roller tube as claimed in claim 6, wherein: the saw blade grinding machine is characterized in that a hinged seat is arranged on the rack, the hinged seat is hinged to the hinged seat, a rotating motor is arranged on the rotating seat, an output end of the motor is provided with a driving wheel, the rotating seat is rotatably connected with a rotating shaft, one end of the rotating shaft is provided with a driven wheel, the driving wheel is in transmission connection with the driven wheel through a chain, the other end of the rotating shaft is connected with a saw blade, a linear driver V is arranged on the rack, a liftable push-pull rod is arranged on the linear driver V, and the upper end of the.

8. The tube sawing machine for producing the roller tube as claimed in claim 7, wherein: the feeding platform is provided with a linear driver six, the linear driver six is provided with a material pushing rod capable of reciprocating in the front-back direction, and one end, facing outwards, of the material pushing rod is connected with the feeding plate.

9. The tube sawing machine for producing the roller tube according to claim 8, wherein: the rack below the rotating screw rod is provided with a waste material port, the rack is also provided with a waste material plate which extends downwards, and the waste material plate is arranged under the waste material port.

10. The pipe sawing machine for producing the roller according to any one of claims 1 to 9, wherein: the pipe fitting clamping device is characterized by further comprising a feeding frame, a sliding plate is arranged on the feeding frame in a downward-inclined mode from back to front, a material baffle plate is arranged on the front side of the sliding plate, a feeding groove is formed between the material baffle plate and the sliding plate, a linear driver seventh is arranged at one end, far away from the rack, of the feeding frame, a feeding rod capable of moving in a reciprocating mode in the left-right direction along the feeding groove is arranged on the linear driver seventh, and the feeding rod can push a pipe to a position between a clamping jaw III and a clamping jaw IV along the feeding groove.