CN116393843A

CN116393843A - PE pipeline production ration cutting equipment

Info

Publication number: CN116393843A
Application number: CN202310662051.XA
Authority: CN
Inventors: 荀学斌; 曾江萍; 王占锐; 杨海鹏
Original assignee: Chinaust Plastics Shenzhen Corp ltd
Current assignee: Chinaust Plastics Shenzhen Corp ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-07-07
Anticipated expiration: 2043-06-06
Also published as: CN116393843B

Abstract

The utility model discloses PE pipeline production quantitative cutting equipment, which relates to the technical field of PE pipeline cutting and comprises a box-type workbench, wherein an L-shaped plate is arranged at the corner of the upper part of the front side of the box-type workbench, a laser cutting head is arranged on one side of the L-shaped plate, a positioning feeding part is arranged outside the rear side of the box-type workbench, a photoelectric sensor and a PLC (programmable logic controller) are respectively arranged on one side of the front part of the box-type workbench, an L-shaped guide plate is inserted in the front side of the box-type workbench in a sliding way, and a baffle seat is sleeved outside the L-shaped guide plate in a sliding way. This pipeline production ration cutting equipment, when cutting PE pipeline, drive measuring gear's rotation through first rack, then under photoelectric counter's count, can measure first rack motion's distance to can be quantitative give the pipeline and cut into required length, after the cutting, under the effect of scroll spring, can make L shape deflector automatic re-setting, thereby conveniently measure the length of next pipeline.

Description

PE pipeline production ration cutting equipment

Technical Field

The utility model relates to the technical field of pipeline cutting, in particular to PE pipeline production quantitative cutting equipment.

Background

The plastic pipeline is divided into PE, PVC, PP-R, PP-B and the like according to different materials, wherein the PE pipe has the advantages of good heat conductivity, high temperature resistance and the like compared with other plastic pipes, and when the PE pipe is processed, the PE pipe needs to be cut into required lengths.

At present, when PE pipeline is cut, laser cutting is usually adopted, but when the PE pipeline is cut, the length of the pipeline needs to be manually measured, and then the pipeline is cut.

The utility model of Chinese patent publication No. CN213672465U discloses a quantitative cutting device for pipeline production, which comprises a cutting machine main body and a fixing component, wherein a laser cutter is fixedly arranged in the middle of the top end of a support frame, the fixing component comprises two screw rod sleeves, two vertical rods, two clamping plates, two driven rollers, two fixing grooves, four second connecting rods and four fourth fixing bearings, and the two screw rod sleeves are respectively in threaded connection with two sides of a left screw rod and a right screw rod, and the quantitative cutting device has the beneficial effects that: the friction force is enhanced through the rubber sleeve, so that the pipeline in the arc-shaped seat is driven to rotate, and the automatic rotary cutting function is realized; through a plurality of spacing groove of seting up on one side on cutting machine main part top, can make the limiting plate insert wherein, through the draw-in groove of seting up on one side of limiting plate, can fix the one end of the pipeline that is cut in the draw-in groove to can adjust the cutting length of pipeline, thereby realize the design of ration cutting.

The cutting device has a quantitative cutting function, but when the cutting length is adjusted, the clamping blocks need to be manually adjusted to corresponding clamping grooves, and the positions of the limiting grooves are fixed, so that the length of a cut pipeline is limited, and more quantitative values cannot be adjusted.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a PE pipeline production quantitative cutting device, which solves the problems that the length of a traditional PE pipeline needs to be measured manually and then the pipeline is cut.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a pipeline production ration cutting equipment, includes box workstation, the front side upper portion corner of box workstation is provided with the L shaped plate, and laser cutting head is installed to one side of L shaped plate, the rear side outside of box workstation is provided with the location pay-off piece, and photoelectric sensor and PLC controller are installed respectively to front portion one side of box workstation, the front side sideslip of box workstation is interluded has L shape deflector, and the outside slip cap of L shape deflector is equipped with keeps off the seat.

As a further scheme of the utility model: the bottom of L shape deflector is connected with first rack, and first rack slides and passes a side that keeps off the seat, and the bottom of first rack is located the inside position department meshing of box workstation and has measuring gear, and one side of measuring gear is connected with the pivot, and the one end of pivot rotates the inboard of passing box workstation and is connected with the baffle, and the baffle can shelter from photoelectric sensor once when rotating once.

As a further scheme of the utility model: the inside downside of box workstation is provided with the fastener corresponding with measuring gear position, and the fastener is including connecting in the guiding axle of box workstation inside downside, and the upper end of guiding axle is connected with the electromagnetic plate, and the outside slip cap of guiding axle is equipped with the iron plate, and one side of iron plate is provided with L shape cardboard, and when iron plate adsorbed on the electromagnetic plate, the upside of L shape cardboard just in time joint in measuring gear.

As a further scheme of the utility model: the inside level of rear side of box workstation rotates and is connected with the reel, and the intermediate position department of reel is provided with the reel, and the reel is gone up the rolling and is had the traction cloth, and one side of traction cloth is connected with the rear side of L shape deflector, and the one end outside of reel is provided with the scroll spring, and the one end of scroll spring is provided with the arch, and the arch is connected with the inboard of box workstation.

As a further scheme of the utility model: when the scroll spring is in a reset state, the baffle seat is just positioned at the position of the laser cutting head.

As a further scheme of the utility model: the positioning feeding piece comprises a guide sleeve which is sleeved outside the box-type workbench in a sliding mode, a limiting seat is arranged on the upper portion of the guide sleeve, a gear motor is installed at the rear portion of the limiting seat, an output shaft of the gear motor is connected with three clamping jaws, a fixing seat is arranged on one side of the rear portion of the box-type workbench, a first servo motor is installed on the rear side of the fixing seat, a first screw is connected with the output shaft of the first servo motor, a nut sleeve matched with the first screw is arranged on one side of the guide sleeve, and the nut sleeve is connected with the outer portion of the first screw in a rotating mode.

As a further scheme of the utility model: the front side upper portion of box workstation is provided with the supporting seat, the supporting seat is including the casing, all be provided with the L-shaped groove between the both sides of casing and its upper portion, and the upper portion intermediate position department of casing installs second servo motor, the output shaft of second servo motor is located the inside position department of casing and is connected with the second screw rod, the outside of second screw rod has the screw sleeve rather than the looks adaptation through the screw thread soon, screw sleeve's both sides all are provided with the second rack, one side of two second racks all meshes with adjusting gear, adjusting gear passes through the inside rotation of axle and casing and is connected, and the upper portion of two adjusting gear all is provided with the regulating plate, in the L-shaped groove on the casing is passed to the upper end of regulating plate, and upper end one side rotation of regulating plate is provided with the guide pulley.

As a further scheme of the utility model: the front side of keeping off the seat is installed first pneumatic cylinder, and the output shaft both sides of first pneumatic cylinder all articulate and have the regulation pole, and the one end of two regulation poles all articulates there is T shape axle, keeps off the rear side of seat be provided with T shape axle looks adaptation's T-shaped groove, the one end slip of T shape axle set up in the T-shaped groove, and the other end rotation of T shape axle is provided with the leading wheel.

As a further scheme of the utility model: the front side of the L-shaped guide plate is provided with a second hydraulic cylinder, and an output shaft of the second hydraulic cylinder is connected with one side surface of the baffle seat.

The utility model provides quantitative cutting equipment for pipeline production, which has the following beneficial effects compared with the prior art:

1. this pipeline production ration cutting equipment, when cutting PE pipeline, drive measuring gear's rotation through first rack, then under photoelectric counter's count, can measure first rack motion's distance to can be quantitative give the pipeline and cut into required length, after the cutting, under the effect of scroll spring, can make L shape deflector automatic re-setting, thereby conveniently measure the length of next pipeline.

2. This pipeline production ration cutting equipment, through the magnetism of electromagnetic plate, can give the absorption with the iron plate, L shape cardboard on the iron plate can give fixed with measuring gear, prevents the motion of L shape deflector to can give the pipeline cutting into the definite value at every turn, when needing to adjust the definite value, only need close the magnetism of electromagnetic plate, make L shape cardboard leave measuring gear in, then just can adjust next definite value.

3. This pipeline production ration cutting equipment through setting up the supporting seat, can play the effect of support to the bottom of pipeline, and under the rotation of guide pulley, the pipeline of being convenient for rotates smoothly in the cutting to accomplish the cutting work to the pipeline, under the work of second servo motor, can make two adjusting gear rotate, thereby can adjust the position between two guide pulleys, conveniently support the operation to not unidimensional pipeline.

4. This pipeline production ration cutting equipment through the work of first pneumatic cylinder, can adjust the interval between two leading wheels to the convenience plays fine supporting role to the one end of pipeline, can make pipeline pivoted smooth and easy, can support the pipeline of different diameters simultaneously, makes the pipeline cut off the back, and the pipeline can not directly fall to the ground, prevents that the pipeline from being broken.

5. This pipeline production ration cutting equipment, pipeline are cut the back by the cutting, grasp the pipeline that has been cut off through manual work or manipulator, then the second pneumatic cylinder can drive the fender seat and slide on L shape deflector, can make the leading wheel leave in the pipeline to the convenience gives the pipeline after cutting off and takes out.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic connection diagram of an L-shaped guide plate structure of the present utility model;

FIG. 3 is a schematic view of a clip according to the present utility model;

FIG. 4 is a schematic view of a support base according to the present utility model;

FIG. 5 is a schematic view of the internal structure of the housing of the present utility model;

fig. 6 is a schematic structural view of a baffle seat according to the present utility model.

In the figure: 1. a box-type workbench; 2. an L-shaped plate; 3. a laser cutting head; 4. positioning a feeding piece; 41. a guide sleeve; 42. a limit seat; 43. a speed reducing motor; 44. three-disc clamping jaws; 45. a fixing seat; 46. a first servo motor; 47. a first screw; 48. a nut sleeve; 5. a photoelectric sensor; 6. a PLC controller; 7. an L-shaped guide plate; 71. a first rack; 72. a measuring gear; 73. a rotating shaft; 74. a baffle; 75. a clamping piece; 751. a guide shaft; 752. an electromagnetic plate; 753. an iron plate; 754. an L-shaped clamping plate; 76. a winding shaft; 77. a winding wheel; 78. traction cloth; 79. a spiral spring; 710. a protrusion; 8. a blocking seat; 81. a first hydraulic cylinder; 82. an adjusting rod; 83. a T-shaped groove; 84. a T-shaped shaft; 85. a guide wheel; 9. a second hydraulic cylinder; 10. a support base; 101. a housing; 102. an L-shaped groove; 103. a second servo motor; 104. a second screw; 105. a threaded sleeve; 106. a second rack; 107. an adjusting gear; 108. an adjusting plate; 109. and a guide wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides five technical solutions:

example 1

Referring to fig. 1, in an embodiment of the present utility model, a quantitative cutting device for pipe production includes a box-type workbench 1, an L-shaped plate 2 is disposed at a corner of an upper portion of a front side of the box-type workbench 1, a laser cutting head 3 is mounted on one side of the L-shaped plate 2, a positioning feeding member 4 is disposed outside a rear side of the box-type workbench 1, a photoelectric sensor 5 and a PLC controller 6 are respectively mounted on one side of a front portion of the box-type workbench 1, an L-shaped guide plate 7 is inserted in a front side sliding manner of the box-type workbench 1, a baffle seat 8 is disposed on an outer sliding sleeve of the L-shaped guide plate 7, the photoelectric sensor 5 is electrically connected with the PLC controller 6, and the PLC controller 6 is electrically connected with a first servo motor 46 and an electromagnetic plate 752, respectively.

Referring to fig. 2, in the embodiment of the present utility model, a first rack 71 is connected to the bottom of the L-shaped guide plate 7, the first rack 71 slides through a side surface of the baffle seat 8, a measuring gear 72 is meshed with the bottom of the first rack 71 at an inner position of the box-type workbench 1, a rotating shaft 73 is connected to one side of the measuring gear 72, one end of the rotating shaft 73 rotates through the inner side of the box-type workbench 1 and is connected with a baffle plate 74, and the photoelectric sensor 5 is blocked once when the baffle plate 74 rotates once.

Referring to fig. 3, in the embodiment of the present utility model, a clamping member 75 corresponding to the position of the measuring gear 72 is disposed at the lower side of the inside of the box-type workbench 1, the clamping member 75 includes a guiding shaft 751 connected to the lower side of the inside of the box-type workbench 1, an electromagnetic plate 752 is connected to the upper end of the guiding shaft 751, an iron plate 753 is sleeved on the outer sliding sleeve of the guiding shaft 751, an L-shaped clamping plate 754 is disposed at one side of the iron plate 753, and when the iron plate 753 is adsorbed on the electromagnetic plate 752, the upper side of the L-shaped clamping plate 754 is exactly clamped in the measuring gear 72.

The second embodiment is different from the first embodiment in that:

referring to fig. 2, in the embodiment of the present utility model, a winding shaft 76 is horizontally connected to the inside of the rear side of the box-type workbench 1 in a rotating manner, a winding wheel 77 is provided at the middle position of the winding shaft 76, a traction cloth 78 is wound on the winding wheel 77, one side of the traction cloth 78 is connected to the rear side of the L-shaped guide plate 7, a spiral spring 79 is provided at one end of the winding shaft 76, a protrusion 710 is provided at one end of the spiral spring 79, and the protrusion 710 is connected to the inside of the box-type workbench 1, so that the L-shaped guide plate 7 can automatically return to the initial position, and the cutting length of the pipeline can be adjusted.

Referring to fig. 2, in the embodiment of the present utility model, when the spiral spring 79 is in the reset state, the blocking seat 8 is just located at the position of the laser cutting head 3, and when one end of the pipe abuts against one side of the blocking seat 8, the cutting length of the pipe is just zero.

Referring to fig. 1, in the embodiment of the utility model, the positioning feeding member 4 includes a guide sleeve 41 slidably sleeved outside the box-type workbench 1, a limit seat 42 is provided on the upper portion of the guide sleeve 41, a gear motor 43 is installed at the rear portion of the limit seat 42, a three-disc claw 44 is connected to an output shaft of the gear motor 43, a fixing seat 45 is provided at one side of the rear portion of the box-type workbench 1, a first servo motor 46 is installed at the rear side of the fixing seat 45, a first screw 47 is connected to an output shaft of the first servo motor 46, a nut sleeve 48 adapted to the first screw 47 is provided at one side of the guide sleeve 41, and the nut sleeve 48 is screwed outside the first screw 47.

Embodiment three differs from embodiment one in that:

referring to fig. 4-5, in the embodiment of the present utility model, a supporting seat 10 is disposed at the upper portion of the front side of the box-type workbench 1, the supporting seat 10 includes a housing 101, an L-shaped slot 102 is disposed between two sides of the housing 101 and an upper portion thereof, a second servo motor 103 is mounted at a middle position of the upper portion of the housing 101, an output shaft of the second servo motor 103 is connected with a second screw 104 at an inner position of the housing 101, a threaded sleeve 105 adapted to the second screw 104 is screwed on an outer portion of the second screw 104 through threads, two sides of the threaded sleeve 105 are respectively provided with a second rack 106, one sides of the two second racks 106 are respectively engaged with an adjusting gear 107, the adjusting gears 107 are rotatably connected with the inner portion of the housing 101 through the shafts, an adjusting plate 108 is disposed at an upper portion of the two adjusting gears 107, an upper end of the adjusting plate 108 passes through the L-shaped slot 102 on the housing 101, and one side of an upper end of the adjusting plate 108 is rotatably provided with a guide wheel 109.

Embodiment four differs from embodiment one in that:

referring to fig. 6, in the embodiment of the present utility model, a first hydraulic cylinder 81 is installed on the front side of a blocking seat 8, two sides of an output shaft of the first hydraulic cylinder 81 are hinged with adjusting rods 82, one ends of the two adjusting rods 82 are hinged with T-shaped shafts 84, a T-shaped groove 83 adapted to the T-shaped shafts 84 is provided on the rear side of the blocking seat 8, one end of the T-shaped shaft 84 is slidably disposed in the T-shaped groove 83, and the other end of the T-shaped shaft 84 is rotatably provided with a guide wheel 85.

Embodiment five differs from embodiment one in that:

referring to fig. 1, in the embodiment of the present utility model, a second hydraulic cylinder 9 is installed at the front side of an L-shaped guide plate 7, an output shaft of the second hydraulic cylinder 9 is connected with one side of a blocking seat 8, after the pipe is cut, a person or a manipulator grabs the cut pipe, and then the second hydraulic cylinder 9 drives the blocking seat 8 to move, so that a guide wheel 85 leaves the position of the pipe, and then the pipe can be smoothly removed.

Working principle: the pipeline is fixed on the three-disc clamping jaw 44, then the second servo motor 103 drives the second screw rod 104 to rotate, the second screw rod 104 drives the threaded sleeve 105 to move, the second racks 106 on two sides of the threaded sleeve 105 respectively drive the two adjusting gears 107 to rotate, the adjusting gears 107 drive the adjusting plates 108 to rotate, the adjusting plates 108 adjust the positions of the guide wheels 109, the two guide wheels 109 support the bottom of the pipeline, the pipeline is supported, the gear motor 43 drives the three-disc clamping jaw 44 to rotate, the three-disc clamping jaw 44 drives the pipeline to rotate, and the rotating pipeline is guided under the rotation of the guide wheels 109;

after the pipeline is fixed, the first servo motor 46 drives the first screw 47 to rotate, the first screw 47 drives the nut sleeve 48 to move, the nut sleeve 48 enables the guide sleeve 41 to slide on the box-type workbench 1, the pipeline is driven to move, one end of the pipeline abuts against one side of the baffle seat 8, then the pipeline continues to move forwards, under the elasticity of the spiral spring 79, the pipeline enables the baffle seat 8 to drive the L-shaped guide plate 7 to move forwards, the first rack 71 at the bottom of the L-shaped guide plate 7 drives the measuring gear 72 to rotate, the measuring gear 72 drives the baffle 74 at one end of the rotating shaft 73 to rotate, the photoelectric sensor 5 counts every time the baffle 74 rotates, the number of turns of the measuring gear 72 is multiplied by the circumference of the measuring gear 72, namely the distance of the first rack 71, namely the distance of the pipeline, the pipeline is the distance of the pipeline, the required cutting is set in the PLC controller 6, the number of times of the photoelectric sensor 5 is required to be counted, when the photoelectric sensor 5 monitors the number of times of the baffle 74 rotates to reach a preset value, the first servo motor is stopped, the electromagnetic sensor 46 is stopped, the electromagnetic sensor 752 is simultaneously connected with the electromagnetic sensor 3, the electromagnetic sensor 752 is cut to the electromagnetic sensor 72, and the electromagnetic sensor is cut to have a fixed time of the electromagnetic sensor 3, and the electromagnetic sensor is cut to be used for the electromagnetic sensor 3, and the electromagnetic sensor is cut to be used for the electromagnetic plate to be used for the distance to be cut 75;

before the pipeline is cut, the first hydraulic cylinder 81 drives an output shaft of the pipeline to move, an adjusting rod 82 of the output shaft drives a T-shaped shaft 84 to slide in a T-shaped groove 83 on the baffle seat 8, and then the positions of two guide wheels 85 are adjusted, so that the two guide wheels 85 support the inner side of one end of the pipeline, the one end of the pipeline is supported, and the guide wheels 85 guide the pipeline under the rotation of the pipeline;

after the pipeline is cut, the cut pipeline is grasped by a manual or mechanical arm, then the second hydraulic cylinder 9 drives the baffle seat 8 to move, the guide wheel 85 leaves the position of the pipeline, then the pipeline can be smoothly taken away, the baffle seat 8 returns to the initial position after the pipeline is taken away, and then the next pipeline is quantitatively cut according to the steps;

if the length of the pipeline is required to be adjusted, the power supply of the electromagnetic plate 752 is turned off, the iron plate 753 falls under the gravity of the iron plate 753, the L-shaped clamping plate 754 is separated from the measuring gear 72, the spiral spring 79 has an elastic winding function, so that the traction cloth 78 is automatically wound, the traction cloth 78 drives the L-shaped guide plate 7 to move, the baffle seat 8 returns to the initial position, and meanwhile, the number of turns counted by the photoelectric sensor 5 is preset again on the PLC 6, and then the adjustment work of the length cutting of the pipeline can be performed.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims

1. The utility model provides a PE pipeline production ration cutting equipment, includes box workstation (1), the front side upper portion corner of box workstation (1) is provided with L shaped plate (2), and laser cutting head (3), its characterized in that are installed to one side of L shaped plate (2): the automatic feeding device is characterized in that a positioning feeding piece (4) is arranged outside the rear side of the box-type workbench (1), a photoelectric sensor (5) and a PLC (programmable logic controller) controller (6) are respectively arranged on one side of the front part of the box-type workbench (1), an L-shaped guide plate (7) is inserted in the front side of the box-type workbench (1) in a sliding manner, and a blocking seat (8) is sleeved outside the L-shaped guide plate (7) in a sliding manner;

the bottom of L shape deflector (7) is connected with first rack (71), and a side of keeping off seat (8) is passed in first rack (71) slip, and the bottom of first rack (71) is located the inside position department meshing of box workstation (1) and has measuring gear (72), and one side of measuring gear (72) is connected with pivot (73), and the inboard of box workstation (1) is passed in the one end rotation of pivot (73) and is connected with baffle (74), and when baffle (74) rotated once every round, can shelter from photoelectric sensor (5).

2. The PE pipe production quantitative cutting apparatus according to claim 1, wherein: the inside downside of box workstation (1) is provided with fastener (75) corresponding with measuring gear (72) position, and fastener (75) are including connecting guiding axle (751) in box workstation (1) inside downside, and the upper end of guiding axle (751) is connected with electromagnetic plate (752), and the outside slip cap of guiding axle (751) is equipped with iron plate (753), and one side of iron plate (753) is provided with L shape cardboard (754), and when iron plate (753) adsorbed on electromagnetic plate (752), the upside of L shape cardboard (754) just in time the joint in measuring gear (72).

3. The PE pipe production quantitative cutting apparatus according to claim 1, wherein: the inside level of rear side of box workstation (1) rotates and is connected with wind-up shaft (76), and the intermediate position department of wind-up shaft (76) is provided with wind-up wheel (77), and the rolling has traction cloth (78) on wind-up wheel (77), and one side of traction cloth (78) is connected with the rear side of L shape deflector (7), and the one end outside of wind-up shaft (76) is provided with spiral spring (79), and the one end of spiral spring (79) is provided with arch (710), and arch (710) are connected with the inboard of box workstation (1).

4. A PE pipe production quantitative cutting device according to claim 3, characterized in that: when the spiral spring (79) is in a reset state, the baffle seat (8) is exactly positioned at the position of the laser cutting head (3).

5. The PE pipe production quantitative cutting apparatus according to claim 1, wherein: the positioning feeding piece (4) comprises a guide sleeve (41) which is sleeved outside the box-type workbench (1) in a sliding mode, a limiting seat (42) is arranged on the upper portion of the guide sleeve (41), a gear motor (43) is arranged at the rear portion of the limiting seat (42), a three-disc claw (44) is connected to an output shaft of the gear motor (43), a fixing seat (45) is arranged on one side of the rear portion of the box-type workbench (1), a first servo motor (46) is arranged on the rear side of the fixing seat (45), a first screw (47) is connected to an output shaft of the first servo motor (46), a nut sleeve (48) which is matched with the first screw (47) is arranged on one side of the guide sleeve (41), and the nut sleeve (48) is screwed to the outer portion of the first screw (47).

6. The PE pipe production quantitative cutting apparatus according to claim 1, wherein: the front side upper portion of box workstation (1) is provided with supporting seat (10), supporting seat (10) are including casing (101), all be provided with L-shaped groove (102) between both sides and its upper portion of casing (101), and second servo motor (103) are installed to upper portion intermediate position department of casing (101), the output shaft of second servo motor (103) is located in the inside position department of casing (101) and is connected with second screw rod (104), the outside of second screw rod (104) has screw sleeve (105) rather than the looks adaptation through the screw thread, both sides of screw sleeve (105) all are provided with second rack (106), one side of two second racks (106) all meshes and is provided with adjusting gear (107), adjusting gear (107) are connected through the inside rotation of axle with casing (101), and the upper portion of two adjusting gear (107) all is provided with regulating plate (108), the upper end of regulating plate (108) passes in L-shaped groove (102) on casing (101), and upper end one side rotation of regulating plate (108) is provided with guide pulley (109).

7. The PE pipe production quantitative cutting apparatus according to claim 1, wherein: the front side that keeps off seat (8) is installed first pneumatic cylinder (81), and the output shaft both sides of first pneumatic cylinder (81) all articulate and are adjusted pole (82), and the one end of two regulation poles (82) all articulates has T shape axle (84), and the rear side that keeps off seat (8) is provided with T shape axle (84) looks adaptation groove (83), and the one end of T shape axle (84) slides and sets up in T shape groove (83), and the other end rotation of T shape axle (84) is provided with leading wheel (85).

8. The PE pipe production quantitative cutting apparatus according to claim 1, wherein: the front side of the L-shaped guide plate (7) is provided with a second hydraulic cylinder (9), and an output shaft of the second hydraulic cylinder (9) is connected with one side surface of the baffle seat (8).