CN109465885B

CN109465885B - Short pipe cutting machine

Info

Publication number: CN109465885B
Application number: CN201811371297.7A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Yancheng Ruitong Plastic Co ltd
Priority date: 2017-08-09
Filing date: 2017-08-09
Publication date: 2020-12-25
Anticipated expiration: 2037-08-09
Also published as: CN109465884A; CN107529483A; CN109465885A; CN109465884B; CN109465886B; CN109465886A; CN107529483B

Abstract

The invention discloses a PVC short pipe cutting machine which comprises a cutting machine workbench, wherein the cutting machine workbench is fixedly arranged on the ground, a rotating mechanism is arranged in the cutting machine workbench, a lifting mechanism is arranged on the rotating mechanism, a cylindrical hydraulic cylinder mechanism is arranged in the lifting mechanism, a fixing mechanism is arranged above the lifting mechanism, a positioning mechanism is arranged on the cutting machine workbench, a cutting mechanism is arranged on the cutting machine workbench, a safety protection shell is arranged outside the cutting mechanism, a collecting mechanism is arranged in the cutting machine workbench, a controller is arranged on one side of the cutting machine workbench, a capacitance display screen is arranged in the controller, an industrial electric interface is arranged in the controller, a signal receiver is arranged in the controller, and a PLC system is arranged in the controller. The invention has the advantages of simple structure and strong practicability.

Description

Short pipe cutting machine

Technical Field

The invention relates to the field of PVC pipe cutting, in particular to a PVC short pipe cutting machine.

Background

The PVC pipe cutting machine that circulates in the existing market mostly only can carry out the cutting of straight mouthful, generally needs artifical measurement angle when carrying out the bevel connection cutting, then fixes, just can cut, and not only the accuracy can not guarantee, has greatly reduced work efficiency moreover, has artifical work process of participating in moreover, generally all has great potential safety hazard, brings very big burden to the enterprise.

Disclosure of Invention

The invention aims to solve the problems and designs a PVC short pipe cutting machine capable of automatically adjusting a straight-mouth and an inclined-mouth.

The technical scheme of the invention is that the PVC short pipe cutting machine comprises a cutting machine workbench, wherein the cutting machine workbench is fixedly arranged on the ground, a rotating mechanism is arranged in the cutting machine workbench, the rotating mechanism comprises a square hole positioned in one side of the cutting machine workbench, a rotating motor fixedly arranged at the center of the lower surface in the square hole, a support frame fixedly arranged at the lower surface in the square hole and positioned above the rotating motor, a first bearing fixedly arranged at the center of the support frame and corresponding to the rotating end of the rotating motor, a first coupling with one end fixedly connected with the rotating end of the rotating motor and the other end fixedly connected with the first bearing, a first speed reducer fixedly connected with the first bearing, a rotating shaft fixedly connected with the first speed reducer, and a rotating platform fixedly sleeved on the outer surface of the rotating shaft, the rotating mechanism is provided with a lifting mechanism, the lifting mechanism comprises a cylindrical hydraulic cylinder mechanism fixedly arranged on the upper surface of a rotary platform, a supporting cylinder with one end extending into the cylindrical hydraulic cylinder mechanism and the other end extending to the top of the cylindrical hydraulic cylinder mechanism, a sealing gasket positioned between the supporting cylinder and the cylindrical hydraulic cylinder mechanism, a circular lifting platform fixedly arranged on the supporting cylinder and a circular opening positioned on the upper surface of a cutting machine worktable and used for the circular lifting platform to go in and out, and a fixing mechanism is arranged above the lifting mechanism and comprises two fixed arc-shaped check blocks fixedly arranged on one side of the upper surface of the circular lifting platform, four slide rails fixedly arranged on the other side of the upper surface of the circular lifting platform and corresponding to the two fixed arc-shaped check blocks, eight pulleys respectively positioned in the four slide rails, four connecting shafts respectively fixedly arranged between the two pulleys, a first connecting rod, a second, The cutting machine comprises four bearings II which are respectively sleeved on four connecting shafts, two movable arc-shaped check blocks which are respectively fixedly arranged on the four bearings II, sliding groove check blocks which are respectively fixedly arranged at the head end and the tail end of the sliding rail, two connecting sheets which are respectively fixedly arranged at the tail end of the four sliding rails, a spring with one end fixedly connected with the central position of the connecting sheets and the other end fixedly connected with the central position of the movable arc-shaped check blocks, an electromagnet fixedly arranged on the fixed arc-shaped check blocks, and a rubber pad fixedly arranged inside the fixed arc-shaped check blocks and the movable arc-shaped check blocks, wherein a positioning mechanism is arranged on a worktable of the cutting machine and comprises two adjusting linear motors which are fixedly arranged at the rear of the fixing mechanism, two guide grooves which are fixedly arranged at the rear of the, Install in pivot one end and with adjusting linear electric motor flexible end fixed connection's locating piece, be located round hole, the fixed mounting pressure sensor in the round hole bottom that locating piece the place ahead surface corresponds size with PVC pipe external diameter, fixed mounting vacuum chuck, the infrared ray distancer of fixed mounting in locating piece the place ahead surface below the round hole, be located the inside signal transmitter of infrared ray distancer and constitute jointly, be equipped with cutting mechanism on the cutting machine workstation, cutting mechanism comprises the rotating turret of fixed mounting in the middle of two fixed convex dogs, the motor of fixed mounting in rotating turret one end, the cutting piece of fixed mounting on the motor jointly, cutting mechanism is equipped with the safety protection shell outward, be equipped with collection mechanism in the cutting machine workstation, cutting machine workstation one side is equipped with the controller, be equipped with capacitive display screen in the controller, Industrial electricity interface, signal receiver, PLC system.

The cylindrical hydraulic cylinder mechanism is composed of a cylindrical hydraulic cylinder shell fixedly mounted on the upper surface of the rotary platform, a hydraulic pump fixedly mounted on the side surface of the outer upper end of the cylindrical hydraulic cylinder shell, an upper guide pipe with one end connected with the other end of the upper surface of the cylindrical hydraulic cylinder shell and connected with the outlet of the hydraulic pump, a lower guide pipe with one end connected with the other end of the side surface of the cylindrical hydraulic cylinder shell and connected with the inlet of the hydraulic pump, hydraulic oil located inside the cylindrical hydraulic cylinder shell and a piston assembly located inside the cylindrical hydraulic cylinder shell, wherein the support cylinder is fixedly connected with the piston assembly, and a valve for preventing the hydraulic.

The fixed arc-shaped check block and the movable arc-shaped check block are made of steel, and the electromagnet can overcome the tension of the spring to attract the movable arc-shaped check block.

The vacuum sucker is composed of a small vacuum generator fixedly arranged below the round hole, a hose fixedly arranged below the round hole and used for completely sealing the small vacuum generator, and a conical rubber port arranged at the outlet of the hose.

The signal transmitter is connected with a signal receiver in the controller through a Bluetooth signal.

The rotating frame is composed of a driving frame, a driving motor and a metal frame, wherein one end of the driving frame is fixedly arranged between the two fixed arc-shaped stop blocks, the driving motor is fixedly arranged at the other end of the driving frame, the metal frame is fixedly arranged at the rotating end of the driving motor, and the motor is fixedly arranged on the metal frame.

The driving motor is fixedly connected with the metal frame through a second speed reducer, a gear and the like, and the motor is fixedly connected with the cutting blade through a second coupler and a rotating shaft.

Safety protection shell is transparent high temperature resistant material and fixed mounting at circular lift platform upper surface, safety protection shell wraps up the motion stroke of cutting piece and both sides are equipped with the slotted hole that only supplies the PVC pipe to get into.

The collecting mechanism is composed of a strip opening on the upper surface of the cutting machine workbench behind the fixing mechanism, a collecting box below the strip opening inside the cutting machine workbench, a rectangular hole on one side of the cutting machine workbench for the collecting box to go in and out, wheels fixedly mounted at four corners of the outer lower surface of the collecting box, and handles fixedly mounted on one side of the outer side of the collecting box.

The controller is electrically connected with the electromagnet, the rotating motor, the adjusting linear motor, the vacuum chuck, the infrared distance meter, the motor, the hydraulic pump, the driving motor and the like and is controlled by the PLC system.

The PVC short pipe cutting machine manufactured by the technical scheme of the invention can be automatically adjusted to a specified angle as required, the PVC short pipe is manually placed in the machine, the length is automatically measured by the machine, the PVC short pipe is automatically fixed, the PVC short pipe is automatically rotated by an angle, cut and collected, most of the PVC short pipe cutting machine is automatically operated by the machine, the working efficiency is improved, and the cutting mechanism is provided with a protection mechanism, so that the potential safety hazard is reduced, and the enterprise benefit is increased.

Drawings

FIG. 1 is a schematic structural diagram of a PVC pipe spool cutting machine according to the invention;

FIG. 2 is a schematic structural view of a rotary mechanism of the present invention;

FIG. 3 is a schematic structural view of the lifting mechanism of the present invention;

FIG. 4 is a partial schematic view of the securing mechanism of the present invention;

FIG. 5 is a schematic view of the vacuum chuck of the present invention;

FIG. 6 is a partial schematic view of the cutting mechanism of the present invention;

in the figure, 1, a cutting machine workbench; 2. a square hole; 3. a rotating electric machine; 4. a support frame; 5. a first bearing; 6. a first coupler; 7. a first speed reducer; 8. a rotating shaft; 9. rotating the platform; 10. A cylindrical hydraulic cylinder mechanism; 11. a support cylinder; 12. a gasket; 13. a circular lifting platform; 14. a circular opening; 15. fixing the arc-shaped stop block; 16. a slide rail; 17. a pulley; 18. A connecting shaft; 19. a second bearing; 20. moving the arc-shaped stop block; 21. a chute stop block; 22. Connecting sheets; 23. a spring; 24. an electromagnet; 25. a rubber pad; 26. adjusting the linear motor; 27. a guide groove; 28. a guide wheel; 29. a rotating shaft; 30. positioning blocks; 31. a circular hole; 32. A pressure sensor; 33. a vacuum chuck; 34. an infrared range finder; 35. a signal transmitter; 36. a rotating frame; 37. an electric motor; 38. cutting the slices; 39. a safety protective housing; 40. A controller; 41. a capacitive display screen; 42. an industrial electrical interface; 43. a signal receiver; 44. A PLC system; 45. a cylindrical hydraulic cylinder housing; 46. a hydraulic pump; 47. an upper duct; 48. A lower conduit; 49. hydraulic oil; 50. a piston assembly; 51. a valve; 52. a small vacuum generator; 53. a hose; 54. a conical rubber port; 55. a driving frame; 56. a drive motor; 57. a metal frame; 58. a second speed reducer; 59. a gear; 60. a second coupler; 61. a rotating shaft; 62. a long round hole; 63. a strip opening; 64. a collection box; 65. a rectangular hole; 66. a wheel; 67. and (4) a handle.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, and as shown in fig. 1-6, the invention provides a PVC nozzle stub cutting machine capable of automatically adjusting a straight bevel, which comprises a cutting machine workbench 1, wherein the cutting machine workbench 1 is fixedly installed on the ground, a rotating mechanism is arranged in the cutting machine workbench 1, and the rotating mechanism comprises a square hole 2 positioned inside one side of the cutting machine workbench 1, a rotating motor 3 fixedly installed at the center of the lower surface in the square hole 2, a supporting frame 4 fixedly installed inside the square hole 2 and positioned above the rotating motor 3, a bearing I5 fixedly installed at the center of the supporting frame 4 and corresponding to the rotating end position of the rotating motor 3, a coupling I6 with one end fixedly connected with the rotating end of the rotating motor 3 and the other end fixedly connected with the bearing I5, a speed reducer I7 fixedly connected with the bearing I5, a rotating shaft 8 fixedly connected with the, The fixed suit is jointly constituted at the rotary platform 9 on the surface of the outer side of the rotating shaft 8, the rotating mechanism is provided with a lifting mechanism, the lifting mechanism is jointly constituted by a cylindrical hydraulic cylinder mechanism 10 fixedly arranged on the upper surface of the rotary platform 9, a supporting cylinder 11 with one end extending into the cylindrical hydraulic cylinder mechanism 10 and the other end extending to the upper part of the cylindrical hydraulic cylinder mechanism 10, a sealing gasket 12 arranged between the supporting cylinder 11 and the cylindrical hydraulic cylinder mechanism 10, a circular lifting platform 13 fixedly arranged on the supporting cylinder 11 and a circular opening 14 arranged on the upper surface of the cutting machine worktable 1 and used for the circular lifting platform 13 to go in and out, the lifting mechanism is provided with a fixing mechanism above, and the fixing mechanism is constituted by two fixed arc-shaped stoppers 15 fixedly arranged on one side of the upper surface of the circular lifting platform 13, four slide rails 16 fixedly arranged on the other side of the upper surface of the circular lifting, Eight pulleys 17 respectively positioned in four sliding rails 16, four connecting shafts 18 respectively fixedly installed between the two pulleys 17, four bearing two 19 respectively sleeved on the four connecting shafts 18, two moving arc-shaped stoppers 20 respectively fixedly installed on the four bearing two 19, sliding groove stoppers 21 respectively fixedly installed at the head end and the tail end of the sliding rails 16, two connecting pieces 22 respectively fixedly installed at the tail ends of the four sliding rails 16, a spring 23 with one end fixedly connected with the central position of the connecting piece 22 and the other end fixedly connected with the central position of the moving arc-shaped stopper 20, an electromagnet 24 fixedly installed on the fixed arc-shaped stopper 15, and a rubber pad 25 fixedly installed inside the fixed arc-shaped stopper 15 and the moving arc-shaped stopper 20, wherein a positioning mechanism is fixedly arranged on the cutting machine workbench 1 and consists of two adjusting linear motors 26, a rubber pad 25 fixedly installed behind the fixing mechanism, Two guide grooves 27 fixedly arranged at the rear part of the fixing mechanism, guide wheels 28 respectively positioned in the guide grooves 27, a rotating shaft 29 sleeved at the central position of the guide wheel 28, a positioning block 30 arranged at one end of the rotating shaft 29 and fixedly connected with the telescopic end of the adjusting linear motor 26, a round hole 31 positioned on the front surface of the positioning block 30 and having the size corresponding to the outer diameter of the PVC pipe, a pressure sensor 32 fixedly arranged at the bottom of the round hole 31, a vacuum suction cup 33 fixedly arranged below the round hole 31, an infrared distance meter 34 fixedly arranged on the front surface of the positioning block 30 and a signal emitter 35 positioned in the infrared distance meter 34, wherein the cutting mechanism is arranged on the worktable 1 of the cutting machine and consists of a rotating frame 36 fixedly arranged between two fixed arc-shaped stoppers 15, a motor 37 fixedly arranged at one end of the rotating frame 36 and a cutting sheet 38 fixedly arranged on the motor 37, a safety protection shell 39 is arranged outside the cutting mechanism, a collecting mechanism is arranged in the cutting machine workbench 1, a controller 40 is arranged on one side of the cutting machine workbench 1, and a capacitance display screen 41, an industrial power interface 42, a signal receiver 43 and a PLC system 44 are arranged in the controller 40; the cylindrical hydraulic cylinder mechanism 10 is composed of a cylindrical hydraulic cylinder shell 45 fixedly arranged on the upper surface of the rotary platform 9, a hydraulic pump 46 fixedly arranged on the side surface of the outer upper end of the cylindrical hydraulic cylinder shell 45, an upper conduit 47 with one end connected with the upper surface of the cylindrical hydraulic cylinder shell 45 and the other end connected with an outlet of the hydraulic pump 46, a lower conduit 48 with one end connected with the side surface of the cylindrical hydraulic cylinder shell 45 and the other end connected with an inlet of the hydraulic pump 46, hydraulic oil 49 positioned inside the cylindrical hydraulic cylinder shell 45 and a piston assembly 50 positioned inside the cylindrical hydraulic cylinder shell 45, the support cylinder 11 is fixedly connected with the piston assembly 50, and a valve 51 for preventing the hydraulic oil 49 from leaking is arranged; the fixed arc-shaped stop block 15 and the movable arc-shaped stop block 20 are made of steel, and the electromagnet 24 can overcome the tension of the spring 23 to attract the movable arc-shaped stop block 20; the vacuum suction cup 33 is composed of a small vacuum generator 52 fixedly arranged below the round hole 31, a hose 53 fixedly arranged below the round hole 31 and used for completely sealing the small vacuum generator 52, and a conical rubber port 54 arranged at the outlet of the hose 53; the signal transmitter 35 is connected with a signal receiver 43 in the controller 40 through a bluetooth signal; the rotating frame 36 is composed of a driving frame 55, a driving motor 56 and a metal frame 57, wherein one end of the driving frame 55 is fixedly arranged between the two fixed circular arc-shaped stoppers 15, the driving motor 56 is fixedly arranged at the other end of the driving frame 55, the metal frame 57 is fixedly arranged at the rotating end of the driving motor 56, and the motor 37 is fixedly arranged on the metal frame 57; the driving motor 56 is fixedly connected with the metal frame 57 through a second speed reducer 58, a gear 59 and the like, and the motor 37 is fixedly connected with the cutting blade 38 through a second coupling 60 and a rotating shaft 61; the safety protection shell 39 is made of transparent high-temperature-resistant materials and is fixedly arranged on the upper surface of the circular lifting platform 13, the safety protection shell 39 wraps the movement stroke of the cutting blade 38, and long round holes 62 only allowing PVC pipes to enter are formed in two sides of the safety protection shell; the collecting mechanism is composed of a strip opening 63 positioned on the upper surface of the cutting machine workbench 1 behind the fixing mechanism, a collecting box 64 positioned below the strip opening 63 inside the cutting machine workbench 1, a rectangular hole 65 positioned at one side of the cutting machine workbench 1 and used for the collecting box 64 to enter and exit, wheels 66 fixedly arranged at four corners of the outer lower surface of the collecting box 64 and a handle 67 fixedly arranged at one side of the outer side of the collecting box 64; the controller 40 is electrically connected with the electromagnet 24, the rotating motor 3, the adjusting linear motor 26, the vacuum chuck 33, the infrared distance meter 34, the motor 37, the hydraulic pump 46, the driving motor 56 and the like, and is controlled by the PLC system 44.

The cutting machine is characterized in that a cutting machine workbench is fixedly arranged on the ground, a rotating mechanism is arranged in the cutting machine workbench, the rotating mechanism consists of a square hole positioned inside one side of the cutting machine workbench, a rotating motor fixedly arranged at the center of the lower surface in the square hole, a support frame fixedly arranged on the lower surface in the square hole and positioned above the rotating motor, a first bearing fixedly arranged at the center of the support frame and corresponding to the rotating end of the rotating motor, a first coupling with one end fixedly connected with the rotating end of the rotating motor and the other end fixedly connected with the first bearing, a first speed reducer fixedly connected with the first bearing, a rotating shaft fixedly connected with the first speed reducer and a rotating platform fixedly sleeved on the outer surface of the rotating shaft, a lifting mechanism is arranged on the rotating mechanism, and the lifting mechanism consists of a cylindrical hydraulic cylinder mechanism fixedly arranged on the upper surface of the rotating platform, a support cylinder with one end extending, The device comprises a sealing gasket, a circular lifting platform, a circular opening, a fixing mechanism, a sliding rail, eight pulleys, four connecting shafts, four bearings II, two movable arc-shaped check blocks, sliding chute check blocks, two connecting pieces, a lifting mechanism and a lifting mechanism, wherein the sealing gasket is positioned between a supporting cylinder and a cylindrical hydraulic cylinder mechanism, the circular lifting platform is fixedly arranged above the supporting cylinder, the circular opening is positioned on the upper surface of a worktable of a cutting machine and used for the circular lifting platform to pass in and out, the fixing mechanism is arranged above the lifting mechanism and consists of two fixed arc-shaped check blocks fixedly arranged on one side of the upper surface of the circular lifting platform, four sliding rails fixedly arranged on the other side of the upper surface of the circular lifting platform and corresponding to the two fixed arc-shaped check blocks, eight pulleys are respectively positioned in the four sliding rails, four connecting shafts are respectively, One end of the spring is fixedly connected with the central position of the connecting piece, the other end of the spring is fixedly connected with the central position of the movable arc-shaped stop block, the electromagnet is fixedly arranged on the fixed arc-shaped stop block, the rubber pad is fixedly arranged inside the fixed arc-shaped stop block and the movable arc-shaped stop block, the cutting machine worktable is provided with a positioning mechanism, the positioning mechanism comprises two linear adjusting motors fixedly arranged behind the fixing mechanism, two guide grooves fixedly arranged behind the fixing mechanism, guide wheels respectively arranged inside the guide grooves, a rotating shaft sleeved at the central position of the guide wheels, a positioning block arranged at one end of the rotating shaft and fixedly connected with the telescopic end of the linear adjusting motor, a round hole arranged on the front surface of the positioning block and corresponding to the outer diameter of a PVC pipe, a pressure sensor fixedly arranged at the bottom of the round hole, be located that the inside signal transmitter of infrared range finder constitutes jointly, be equipped with cutting mechanism on the cutter workstation, cutting mechanism is by the rotating turret of fixed mounting in the middle of two fixed convex dogs, fixed mounting is in the motor of rotating turret one end, the cutting piece of fixed mounting on the motor constitutes jointly, cutting mechanism is equipped with the safety protection shell outward, be equipped with collection mechanism in the cutter workstation, cutter workstation one side is equipped with the controller, be equipped with capacitive display in the controller, the industrial power interface, signal receiver, the PLC system, adopt the automatic a series of processes that cut of machine, the artifical participation has been reduced, not only work efficiency has been improved, and the potential safety hazard has been reduced, the performance of enterprises has been increased.

In the embodiment, the machine is opened, the PVC short pipe is stretched into the round hole in the positioning block from the fixing mechanism manually, the pressure sensor receives a signal, the controller controls the vacuum chuck to suck the PVC short pipe, then the linear motor is started and adjusted to pull the PVC short pipe backwards, the distance is measured by the infrared distance meter, after the PVC short pipe reaches a specified place, the electromagnet is electrified to suck the movable arc-shaped stop block to fix the PVC short pipe and release the vacuum chuck, a conical channel is arranged on the round hole on the positioning block to allow the PVC short pipe to enter and exit, the hydraulic pump is started to lift the circular lifting platform to a certain height, the PVC short pipe is moved to the position above the positioning block, if the PVC short pipe is a straight cutting opening, the cutting mechanism is directly started to cut, if the PVC short pipe is an oblique cutting opening, the rotating motor is started to rotate to a specified angle, the driving motor is started to enable the, the PVC nozzle stub is fixed by a fixing mechanism, a space can be formed below, the PVC nozzle stub is a safe distance of a cutting blade, after cutting, the rotating motor starts to rotate reversely, the rotating motor starts to rotate back to the original position, the hydraulic pump starts to rotate reversely, the PVC nozzle stub falls back to the original position, the vacuum chuck sucks the cut PVC nozzle stub, then the electromagnet loses power, the spring pulls the movable arc-shaped check block back to the original position, the cut finished product rotates through adjusting the linear motor, the finished product is pulled back, one end of the finished product falls into the collecting box through the strip-shaped opening, then the vacuum chuck is loosened to enable the vacuum chuck to fall into the collecting box completely, then the positioning block is moved back to the original position by adjusting the linear motor, waste materials generated after cutting are collected and recycled through manpower, when the collecting box is full, the collecting box.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. The short pipe cutting machine comprises a cutting machine workbench (1) and is characterized in that the cutting machine workbench (1) is fixedly installed on the ground, a rotating mechanism is arranged in the cutting machine workbench (1), the rotating mechanism comprises a square hole (2) located inside one side of the cutting machine workbench (1), a rotating motor (3) fixedly installed at the center of the lower surface in the square hole (2), a support frame (4) fixedly installed at the upper part of the rotating motor (3) and located at the lower surface inside the square hole (2), a bearing I (5) fixedly installed at the center of the support frame (4) and corresponding to the rotating end of the rotating motor (3), a coupling I (6) with one end fixedly connected with the rotating end of the rotating motor (3) and the other end fixedly connected with the bearing I (5), a speed reducer I (7) fixedly connected with the bearing I (5), and a rotating shaft (8) fixedly connected with the speed reducer I (7), Fixed cover dress constitutes jointly in rotary platform (9) on axis of rotation (8) outside surface, be equipped with elevating system on the rotary mechanism, elevating system stretches into support cylinder (11) that cylindrical hydraulic cylinder mechanism (10) the inside other end of cylindrical hydraulic cylinder mechanism (10) stretches to cylindrical hydraulic cylinder mechanism (10) top, is located sealed pad (12) between support cylinder (11) and cylindrical hydraulic cylinder mechanism (10), circular lift platform (13) of fixed mounting in support cylinder (11) top, circular opening (14) that are located cutting machine workstation (1) upper surface and supply circular lift platform (13) business turn over constitute jointly by cylindrical hydraulic cylinder mechanism (10), the elevating system top is equipped with fixed establishment, fixed establishment is by two fixed arc dog (15) of fixed mounting in circular lift platform (13) upper surface one side, Four sliding rails (16) fixedly arranged on the other side of the upper surface of the circular lifting platform (13) and corresponding to the two fixed arc-shaped check blocks (15), eight pulleys (17) respectively positioned in the four sliding rails (16), four connecting shafts (18) respectively and fixedly arranged between the two pulleys (17), four bearing blocks (19) respectively sleeved on the four connecting shafts (18), two movable arc-shaped check blocks (20) respectively and fixedly arranged on the four bearing blocks (19), sliding groove check blocks (21) respectively and fixedly arranged at the head end and the tail end of the sliding rails (16), two connecting pieces (22) respectively and fixedly arranged at the tail ends of the four sliding rails (16), a spring (23) with one end fixedly connected with the central position of the connecting piece (22) and the other end fixedly connected with the central position of the movable arc-shaped check block (20), an electromagnet (24) fixedly arranged on the fixed arc-shaped check blocks, The cutting machine is characterized in that the cutting machine is fixedly arranged on a working table (1), the cutting machine is composed of a fixed arc-shaped stop block (15) and a rubber pad (25) inside a movable arc-shaped stop block (20), and a positioning mechanism is arranged on the working table (1) and comprises two adjusting linear motors (26) fixedly arranged at the rear of the fixing mechanism, two guide grooves (27) fixedly arranged at the rear of the fixing mechanism, guide wheels (28) respectively arranged inside the guide grooves (27), a rotating shaft (29) sleeved at the central position of the guide wheels (28), a positioning block (30) arranged at one end of the rotating shaft (29) and fixedly connected with the adjusting linear motors (26) in a telescopic end manner, a round hole (31) arranged on the front surface of the positioning block (30) and corresponding to the outer diameter of a PVC pipe, a pressure sensor (32) fixedly arranged at the bottom of, The cutting machine comprises an infrared distance meter (34) fixedly arranged on the front surface of a positioning block (30) and a signal transmitter (35) positioned inside the infrared distance meter (34), wherein a cutting mechanism is arranged on a cutting machine workbench (1), the cutting mechanism comprises a rotating frame (36) fixedly arranged between two fixed arc-shaped stop blocks (15), a motor (37) fixedly arranged at one end of the rotating frame (36) and a cutting sheet (38) fixedly arranged on the motor (37), a safety protection shell (39) is arranged outside the cutting mechanism, a collecting mechanism is arranged in the cutting machine workbench (1), a controller (40) is arranged on one side of the cutting machine workbench (1), a capacitance display screen (41), an industrial interface (42), a signal receiver (43) and a PLC (44) are arranged in the controller (40),

the vacuum sucker (33) is composed of a small vacuum generator (52) fixedly arranged below the round hole (31), a hose (53) fixedly arranged below the round hole (31) and used for completely sealing the small vacuum generator (52), and a conical rubber port (54) arranged at the outlet of the hose (53),

the signal transmitter (35) is connected with a signal receiver (43) in the controller (40) through a Bluetooth signal,

the rotating frame (36) is composed of a driving frame (55) with one end fixedly mounted between the two fixed arc-shaped stop blocks (15), a driving motor (56) fixedly mounted at the other end of the driving frame (55) and a metal frame (57) fixedly mounted at the rotating end of the driving motor (56), and the motor (37) is fixedly mounted on the metal frame (57).