CN116079819A

CN116079819A - Guiding device with automatic clamping function for plastic pipe cutting production

Info

Publication number: CN116079819A
Application number: CN202211615455.5A
Authority: CN
Inventors: 王小虎; 李建明; 谢超; 刘丽菊
Original assignee: Jiangshan Hengcheng Plastic Industry Co ltd
Current assignee: Jiangshan Hengcheng Plastic Industry Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-09

Abstract

The invention relates to the field of plastic pipe fitting processing. The invention discloses a guiding device with an automatic clamping function for cutting and producing plastic pipe fittings, which aims to solve the problems that the pipe fittings to be cut are fixed through a clamp, then the pipe fittings are cut through a cutting machine, the pipe fittings are directionally moved through the device, and the pipe fittings are cut in a reciprocating manner, so that the operation is troublesome. The invention consists of a pipe fitting conveying mechanism, a directional conveying mechanism and a cutting regulation mechanism. This plastics pipe fitting cutting production is with guider with automatic centre gripping function, during operation when dwang drive grooved bar rotatory half cycle time U type slider moves left in the inside of slide rail, and when dwang drive grooved bar rotatory remaining half cycle time, U type slider moves right in the inside of slide rail, because the outer lane of second one-way bearing does not rotate this moment, avoids the plastic tubing to move right, accomplishes the directional removal of device to the plastic tubing left.

Description

Guiding device with automatic clamping function for plastic pipe cutting production

Technical Field

The invention relates to the field of plastic pipe fitting processing, in particular to a guiding device with an automatic clamping function for plastic pipe fitting cutting production.

Background

The plastic pipe cutting device is a device for cutting plastic pipe, can quantitatively cut according to the size of the plastic pipe, and the guiding device for cutting the plastic pipe is equipment for guiding materials when the plastic pipe is discharged.

When the existing user cuts the plastic pipe fitting, the pipe fitting to be cut needs to be fixed through the clamp, then the pipe fitting is cut through the cutting machine, the pipe fitting is directionally moved through the device, the pipe fitting is cut in a reciprocating mode, and the operation is troublesome.

Disclosure of Invention

The invention aims to provide a guiding device with an automatic clamping function for plastic pipe cutting production, which aims to solve the problems that in the prior art, a pipe to be cut is fixed through a clamp, then the pipe is cut through a cutting machine, the pipe is directionally moved through the device, and the pipe is cut in a reciprocating mode, so that the operation is troublesome. In order to achieve the above purpose, the present invention provides the following technical solutions: the guide device with the automatic clamping function for the plastic pipe cutting production comprises a support frame, wherein the top surface of the support frame is fixedly connected with a slide rail, the inside of the slide rail is connected with a pipe conveying mechanism in a sliding manner, the side surface of the pipe conveying mechanism is connected with a directional conveying mechanism in a sliding manner, and the directional conveying mechanism is arranged on the bottom surface of the inner wall of the slide rail;

and a cutting regulation mechanism is arranged on the bottom surface of the sliding rail.

Preferably, the pipe fitting conveying mechanism comprises a vertical plate fixed on the supporting frame, a cylindrical rod is arranged on the vertical plate, a transmission piece is fixedly sleeved on the side surface of the cylindrical rod, a power rod is rotatably connected to one end, far away from the cylindrical rod, of the transmission piece, two torsion springs are movably sleeved on the side surface of the power rod, one end of each torsion spring is fixedly connected with the side surface of the power rod, a deflection sleeve is fixedly connected to the other end of each torsion spring, and the deflection sleeve is rotatably connected to the side surface of the power rod;

the side surfaces of the two deflection sleeves are fixedly connected with a V-shaped plate, the side surfaces of the V-shaped plate are hinged with clamping rods, the side surfaces of the clamping rods are hinged with first spring telescopic rods, and the first spring telescopic rods are hinged on the side surfaces of the V-shaped plate;

the side fixedly connected with U type slider of power pole, the inside slip of U type slider at the slide rail, the inner wall rotation of U type slider is connected with the bull stick, fixedly connected with gag lever post on the U type slider, and the side of gag lever post is contradicted with the right side of V type board.

Preferably, the both sides of U type slider are all fixedly connected with movable rod, the movable rod equidistance is sharp fixedly connected with bump, the side cover of movable rod is equipped with spacing shell, and spacing shell is fixed on the inner wall of slide rail.

Preferably, the directional conveying mechanism comprises a first one-way bearing, a fixed bearing is fixedly connected to the end face of the inner ring of the first one-way bearing, the outer side of the fixed bearing is fixed to the inner wall of the sliding rail, a guide groove is formed in the outer side of the first one-way bearing, and protruding points are connected to the inner wall of the guide groove in a sliding mode;

the inner wall of the first one-way bearing is fixedly connected with a second spring telescopic rod, and one end, far away from the inner wall of the first one-way bearing, of the second spring telescopic rod is fixedly connected with a second one-way bearing.

Preferably, the cutting regulation mechanism comprises a motor arranged at the bottom of the sliding rail, one end of a rotating shaft of the motor is fixedly connected with a worm, the side face of the worm is in transmission connection with a worm wheel, a rotating rod penetrates through the end face of the worm wheel, one end of the rotating rod is rotatably connected to the vertical plate, and a transmission belt is sleeved on the side face of the rotating rod and the side face of the cylindrical rod;

the side of dwang has fixedly cup jointed the cam, the side of cam is contradicted and is had the U-shaped lifter plate, and U-shaped lifter plate sliding connection is on the side of slide rail, the equal fixedly connected with third spring telescopic link in both ends of U-shaped lifter plate, and the third spring telescopic link is fixed on the side of slide rail.

Preferably, the inner side of the U-shaped lifting plate is abutted against a deflection plate, the deflection plate penetrates through a rectangular groove formed in the bottom surface of the sliding rail and is provided with a cutting machine, the deflection plate is hinged to the inner wall of the sliding rail, and a spring contraction rod is hinged between the deflection plate and the sliding rail.

Preferably, the side face of the rotating rod is movably sleeved with a supporting plate, and the supporting plate is fixed on the supporting frame.

Preferably, the driving medium includes the recess pole, and the recess pole is fixed on the cylindricality pole, fixedly connected with cylinder on the inner wall of recess pole, the bottom of cylinder articulates there is the slide bar, and the one end activity of slide bar cup joints on the side of power pole.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the groove rod on one end of the cylindrical rod is driven to rotate through the transmission belt, the sliding rod is pulled to move leftwards in the sliding rail, when the sliding rod pulls the power rod to move leftwards, the sliding rod deflects and is matched with the torsion spring to drive the deflection sleeve to deflect and to abut against the side face of the limiting rod, at the moment, the clamping rod is matched with the rotating rod in the U-shaped sliding block to clamp and pull the plastic pipe leftwards, at the moment, the outer ring of the second one-way bearing rolls on the pipe fitting, and the friction force of the pipe fitting moving leftwards in the first one-way bearing is reduced.

According to the invention, when the rotating rod drives the groove rod to rotate for half a circle, the U-shaped sliding block moves leftwards in the sliding rail, and when the rotating rod drives the groove rod to rotate for the rest half a circle, the U-shaped sliding block moves rightwards in the sliding rail, and at the moment, the outer ring of the second one-way bearing does not rotate, so that the plastic pipe is prevented from moving rightwards, and the device finishes the leftward directional movement of the plastic pipe.

According to the invention, one end of the sliding rod is driven to slide in the groove rod by shrinkage of the air cylinder, so that the length of a power arm of the groove rod is changed, the distance that the groove rod rotates to drive the U-shaped sliding block to move left and right in the sliding rail is reduced, the length of the U-shaped sliding block to be guided to the left of the plastic pipe is further ensured to be changed according to the requirement, and the practicability is better.

According to the invention, when the U-shaped sliding block moves rightwards in the sliding rail, the protruding points on the U-shaped sliding block move rightwards in the guide groove to enable the first one-way bearing to rotate clockwise, the second one-way bearing in the first one-way bearing drives the plastic pipe to rotate clockwise, the U-shaped sliding block drives the cam to rotate to push the U-shaped lifting plate upwards when moving rightwards in the sliding rail, the deflection plate is enabled to deflect and drive the cutting machine on the U-shaped lifting plate to deflect and prop against the plastic pipe to cut the plastic pipe, and the plastic pipe rotates clockwise at the moment and is matched with the cutting machine to achieve the purpose of circular cutting of the plastic pipe.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a partial three-dimensional structure of the present invention;

FIG. 3 is a second schematic view of a partial perspective view of the present invention;

FIG. 4 is a schematic perspective view of the structure of the U-shaped slider and the like;

FIG. 5 is a schematic perspective view of a first one-way bearing and the like according to the present invention;

FIG. 6 is a schematic perspective view of the limiting shell and other structures of the present invention;

fig. 7 is a schematic perspective view of a cutter and the like according to the present invention.

In the figure: 1. a support frame; 2. a slide rail; 3. a pipe conveying mechanism; 31. a riser; 32. a cylindrical rod; 33. a transmission member; 331. a grooved bar; 332. a cylinder; 333. a slide bar; 34. a power lever; 35. a torsion spring; 36. a deflection sleeve; 37. v-shaped plates; 38. a clamping rod; 39. a first spring telescoping rod; 310. a U-shaped sliding block; 311. a rotating rod; 312. a limit rod; 313. a moving rod; 314. a bump; 315. a limit shell; 4. a directional conveying mechanism; 41. a first one-way bearing; 42. fixing a bearing; 43. a guide groove; 44. a second spring telescoping rod; 45. a second one-way bearing; 5. a cutting regulation mechanism; 51. a motor; 52. a worm; 53. a worm wheel; 54. a rotating lever; 55. a cam; 56. a U-shaped lifting plate; 57. a third spring telescoping rod; 58. a deflector plate; 59. rectangular grooves; 510. a cutting machine; 511. a spring retraction lever; 512. a support plate; 513. a driving belt.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a plastics pipe fitting cutting production is with guider with automatic centre gripping function, includes support frame 1, the top surface fixedly connected with slide rail 2 of support frame 1, the inside sliding connection of slide rail 2 has pipe fitting conveying mechanism 3, the side sliding connection of pipe fitting conveying mechanism 3 has directional conveying mechanism 4, directional conveying mechanism 4 installs on the bottom surface of slide rail 2 inner wall;

the bottom surface of the slide rail 2 is provided with a cutting regulation mechanism 5.

In this embodiment, as shown in fig. 1, 2, 3, 4 and 6, the pipe conveying mechanism 3 includes a vertical plate 31 fixed on the supporting frame 1, a cylindrical rod 32 is disposed on the vertical plate 31, a driving member 33 is fixedly sleeved on a side surface of the cylindrical rod 32, one end of the driving member 33 far away from the cylindrical rod 32 is rotatably connected with a power rod 34, two torsion springs 35 are movably sleeved on a side surface of the power rod 34, one end of each torsion spring 35 is fixedly connected with a side surface of the power rod 34, the other end of each torsion spring 35 is fixedly connected with a deflection sleeve 36, and the deflection sleeve 36 is rotatably connected on a side surface of the power rod 34;

the side surfaces of the two deflection sleeves 36 are fixedly connected with a V-shaped plate 37, the side surfaces of the V-shaped plate 37 are hinged with clamping rods 38, the side surfaces of the clamping rods 38 are hinged with first spring telescopic rods 39, and the first spring telescopic rods 39 are hinged on the side surfaces of the V-shaped plate 37;

the side fixedly connected with U type slider 310 of power pole 34, the inside slip of U type slider 310 in slide rail 2, the inner wall rotation of U type slider 310 is connected with bull stick 311, fixedly connected with gag lever post 312 on the U type slider 310, and the side of gag lever post 312 is contradicted with the right side of V type board 37.

In this embodiment, as shown in fig. 6, two sides of the U-shaped slider 310 are fixedly connected with a moving rod 313, the moving rod 313 is equidistantly and linearly fixedly connected with a bump 314, a limiting shell 315 is sleeved on a side surface of the moving rod 313, and the limiting shell 315 is fixed on an inner wall of the sliding rail 2.

In this embodiment, as shown in fig. 5, the directional conveying mechanism 4 includes a first unidirectional bearing 41, a fixed bearing 42 is fixedly connected to an end surface of an inner ring of the first unidirectional bearing 41, an outer side of the fixed bearing 42 is fixed on an inner wall of the sliding rail 2, a guiding groove 43 is formed on an outer side of the first unidirectional bearing 41, and a bump 314 is slidably connected to an inner wall of the guiding groove 43;

the inner wall of the first unidirectional bearing 41 is fixedly connected with a second spring telescopic rod 44, and one end, away from the inner wall of the first unidirectional bearing 41, of the second spring telescopic rod 44 is fixedly connected with a second unidirectional bearing 45. One end of the second spring telescopic rod 44 is fixedly connected with the inner ring of the second one-way bearing 45, an outer ring of the second one-way bearing 45 is fixedly sleeved with an anti-slip washer, and friction force between the outer ring of the second one-way bearing 45 and the outer side of the plastic pipe is increased through the anti-slip washer.

In this embodiment, as shown in fig. 1, 2, 3, 6 and 7, the cutting regulation mechanism 5 includes a motor 51 installed at the bottom of the slide rail 2, one end of a rotating shaft of the motor 51 is fixedly connected with a worm 52, a side face of the worm 52 is in transmission connection with a worm wheel 53, a rotating rod 54 penetrates through an end face of the worm wheel 53, one end of the rotating rod 54 is rotatably connected to the vertical plate 31, and a driving belt 513 is sleeved on the side face of the rotating rod 54 and the side face of the cylindrical rod 32;

the cam 55 has been cup jointed to the side fixed of dwang 54, and the side of cam 55 is contradicted and is had U-shaped lifter plate 56, and U-shaped lifter plate 56 sliding connection is on the side of slide rail 2, and the both ends of U-shaped lifter plate 56 all fixedly connected with third spring telescopic link 57, and third spring telescopic link 57 is fixed on the side of slide rail 2. The worm 52 is driven by the motor 51 to rotate and matched with the worm wheel 53 to drive the rotating rod 54 to rotate clockwise, so that the transmission belt 513 drives the groove rod 331 on one end of the cylindrical rod 32 to rotate, the sliding rod 333 is pulled to move leftwards in the sliding rail 2, and when the sliding rod 333 pulls the power rod 34 to move leftwards, the sliding rod 333 deflects and is matched with the torsion spring 35 to drive the deflection sleeve 36 to deflect and abut against the side face of the limiting rod 312, and at the moment, the clamping rod 38 is matched with the rotating rod 311 in the U-shaped sliding block 310 to clamp and pull the plastic pipe leftwards.

In this embodiment, as shown in fig. 1, 2, 3, 6 and 7, the inner side of the U-shaped lifting plate 56 is abutted against a deflection plate 58, the deflection plate 58 passes through a rectangular groove 59 formed in the bottom surface of the sliding rail 2 and is provided with a cutter 510, the deflection plate 58 is hinged on the inner wall of the sliding rail 2, and a spring contraction rod 511 is hinged between the deflection plate 58 and the sliding rail 2. When the U-shaped sliding block 310 moves rightwards in the sliding rail 2, the semi-ring protruding parts on the side surfaces of the cams 55 push the U-shaped lifting plates 56 upwards, so that the deflection plates 58 deflect to drive the cutters 510 on the U-shaped lifting plates to deflect and push against the plastic pipe to cut the plastic pipe, and conversely, when the U-shaped sliding block 310 moves leftwards in the sliding rail 2, the deflection plates 58 deflect to drive the cutters 510 on the U-shaped sliding block to deflect to one side far away from the plastic pipe.

In this embodiment, as shown in fig. 1, 2, 3, 6 and 7, a support plate 512 is movably sleeved on the side surface of the rotating rod 54, and the support plate 512 is fixed on the support frame 1. Stability in rotation of the turn bar 54 is ensured by the support plate 512.

In this embodiment, as shown in fig. 1, the transmission member 33 includes a groove rod 331, and the groove rod 331 is fixed on the cylindrical rod 32, an air cylinder 332 is fixedly connected on the inner wall of the groove rod 331, a sliding rod 333 is hinged to the bottom end of the air cylinder 332, and one end of the sliding rod 333 is movably sleeved on the side surface of the power rod 34. The cylinder 332 contracts and makes the one end of slide bar 333 slide in recess pole 331, and then changes the length of recess pole 331 power arm, reduces recess pole 331 rotation and drives U type slider 310 the distance of controlling the removal in slide rail 2, and then guarantees that the device can change the length of U type slider 310 left direction plastic tubing as required, and the practicality is better.

The application method and the advantages of the invention are as follows: the application method of the guiding device with the automatic clamping function for the plastic pipe cutting production comprises the following working processes:

as shown in fig. 1, 2, 3, 4, 5, 6 and 7: when a user uses the device, the plastic pipe to be cut is inserted into the three first one-way bearings 41, the second one-way bearings 45 are pushed against the outer side of the plastic pipe under the action of the elastic force of the second spring telescopic rod 44, the clamping rod 38 and the rotating rod 311 are both arranged on the outer side of the pipeline, one end of the sliding rod 333 is pushed to slide in the groove rod 331 by shrinkage of the air cylinder 332, the length of a power arm of the groove rod 331 is changed, the distance that the groove rod 331 rotates to drive the U-shaped sliding block 310 to move left and right in the sliding rail 2 is reduced, and the device is ensured to change the length of the U-shaped sliding block 310 to be led to the left of the plastic pipe according to the requirement

At this time, the worm 52 is driven by the motor 51 to rotate and matched with the worm wheel 53 to drive the rotating rod 54 to rotate clockwise, so that the transmission belt 513 drives the groove rod 331 on one end of the cylindrical rod 32 to rotate, the sliding rod 333 is pulled to move left in the sliding rail 2, when the sliding rod 333 pulls the power rod 34 to move left, the sliding rod 333 deflects and is matched with the torsion spring 35 to drive the deflection sleeve 36 to deflect and to abut against the side face of the limiting rod 312, at this time, the clamping rod 38 is matched with the rotating rod 311 in the U-shaped sliding block 310 to clamp and pull the plastic pipe leftwards, at this time, the outer ring of the second one-way bearing 45 rolls on the pipe fitting, the friction force of the pipe fitting moving left in the first one-way bearing 41 is reduced, and when the U-shaped sliding block 310 moves leftwards, the salient point 314 is driven to move left in the guide groove 43, at this time, the outer ring of the first one-way bearing 41 rotates, and the inner ring does not rotate;

because the length between the groove rod 331 and the sliding rod 333 is fixed, when the rotating rod 54 drives the groove rod 331 to rotate for half a circle, the groove rod 331 and the sliding rod 333 cooperate to pull the U-shaped sliding block 310 to move leftwards in the sliding rail 2, when the rotating rod 54 drives the groove rod 331 to rotate for the rest half a circle, the groove rod 331 and the sliding rod 333 cooperate to push the U-shaped sliding block 310 to move rightwards in the sliding rail 2, at the moment, the outer ring of the second unidirectional bearing 45 does not rotate, the plastic pipe is prevented from moving rightwards, and the directional movement of the device to the plastic pipe leftwards is completed;

when the U-shaped sliding block 310 moves rightwards in the sliding rail 2, the protruding point 314 on the U-shaped sliding block 310 moves rightwards in the guide groove 43 to enable the first one-way bearing 41 to rotate clockwise, the second one-way bearing 45 in the first one-way bearing 41 drives the plastic pipe to rotate clockwise, the rotating rod 54 drives the cam 55 to rotate while the U-shaped sliding block 310 moves rightwards in the sliding rail 2, the semi-ring protruding part on the side surface of the cam 55 pushes the U-shaped lifting plate 56 upwards to enable the deflection plate 58 to deflect to drive the cutter 510 thereon to deflect and push against the plastic pipe to cut the plastic pipe, and the plastic pipe is cut clockwise at the moment, the plastic pipe is matched with the cutter 510 to achieve the purpose of circular cutting of the plastic pipe by the device, and the operations are repeated, namely equal length guiding and cutting of the plastic pipe by the device are achieved;

when the U-shaped slider 310 is about to move left again in the sliding rail 2, the semi-ring protruding portion on the side face of the cam 55 is separated from the bottom face of the U-shaped lifting plate 56, the U-shaped lifting plate 56 moves down under the action of the third spring telescopic rod 57, and at this time, the spring telescopic rod 511 pulls the deflection plate 58 and the cutter 510 to deflect and reset.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a plastics pipe fitting cutting production is with guider that has automatic centre gripping function, includes support frame (1), the top surface fixedly connected with slide rail (2) of support frame (1), its characterized in that: the inside of the sliding rail (2) is connected with a pipe fitting conveying mechanism (3) in a sliding manner, the side surface of the pipe fitting conveying mechanism (3) is connected with a directional conveying mechanism (4) in a sliding manner, and the directional conveying mechanism (4) is arranged on the bottom surface of the inner wall of the sliding rail (2);

the bottom surface of slide rail (2) is installed cutting regulation and control mechanism (5).

2. The guiding device with an automatic clamping function for plastic pipe cutting production according to claim 1, wherein the guiding device is characterized in that: the pipe fitting conveying mechanism (3) comprises a vertical plate (31) fixed on a supporting frame (1), a cylindrical rod (32) is arranged on the vertical plate (31), a transmission part (33) is fixedly sleeved on the side face of the cylindrical rod (32), a power rod (34) is rotatably connected to one end, far away from the cylindrical rod (32), of the transmission part (33), two torsion springs (35) are movably sleeved on the side face of the power rod (34), one end of each torsion spring (35) is fixedly connected with the side face of the power rod (34), a deflection sleeve (36) is fixedly connected to the other end of each torsion spring (35), and the deflection sleeve (36) is rotatably connected to the side face of the power rod (34);

the side surfaces of the two deflection sleeves (36) are fixedly connected with a V-shaped plate (37), the side surfaces of the V-shaped plate (37) are hinged with clamping rods (38), the side surfaces of the clamping rods (38) are hinged with first spring telescopic rods (39), and the first spring telescopic rods (39) are hinged on the side surfaces of the V-shaped plate (37);

the side fixedly connected with U type slider (310) of power pole (34), the inside slip of U type slider (310) at slide rail (2), the inner wall rotation of U type slider (310) is connected with bull stick (311), fixedly connected with gag lever post (312) on U type slider (310), and the side of gag lever post (312) is contradicted with the right side of V template (37).

3. The guiding device with an automatic clamping function for plastic pipe cutting production according to claim 2, wherein the guiding device is characterized in that: both sides of U type slider (310) are all fixedly connected with movable rod (313), movable rod (313) equidistance is sharp fixedly connected with bump (314), the side cover of movable rod (313) is equipped with spacing shell (315), and spacing shell (315) are fixed on the inner wall of slide rail (2).

4. A guide device with an automatic clamping function for plastic pipe cutting production according to claim 3, characterized in that: the directional conveying mechanism (4) comprises a first one-way bearing (41), a fixed bearing (42) is fixedly connected to the end face of the inner ring of the first one-way bearing (41), the outer side of the fixed bearing (42) is fixed to the inner wall of the sliding rail (2), a guide groove (43) is formed in the outer side of the first one-way bearing (41), and protruding points (314) are slidably connected to the inner wall of the guide groove (43);

the inner wall of the first unidirectional bearing (41) is fixedly connected with a second spring telescopic rod (44), and one end, far away from the inner wall of the first unidirectional bearing (41), of the second spring telescopic rod (44) is fixedly connected with a second unidirectional bearing (45).

5. The guiding device with an automatic clamping function for plastic pipe cutting production according to claim 4, wherein the guiding device is characterized in that: the cutting regulation mechanism (5) comprises a motor (51) arranged at the bottom of the sliding rail (2), one end of a rotating shaft of the motor (51) is fixedly connected with a worm (52), the side face of the worm (52) is in transmission connection with a worm wheel (53), a rotating rod (54) penetrates through the end face of the worm wheel (53), one end of the rotating rod (54) is rotatably connected to the vertical plate (31), and a transmission belt (513) is sleeved on the side face of the rotating rod (54) and the side face of the cylindrical rod (32);

the side of dwang (54) is fixed to be cup jointed cam (55), the side of cam (55) is contradicted and is had U-shaped lifter plate (56), and U-shaped lifter plate (56) sliding connection is on the side of slide rail (2), the both ends of U-shaped lifter plate (56) all fixedly connected with third spring telescopic link (57), and third spring telescopic link (57) are fixed on the side of slide rail (2).

6. The guiding device with an automatic clamping function for plastic pipe cutting production according to claim 5, wherein the guiding device is characterized in that: the inner side of the U-shaped lifting plate (56) is abutted against a deflection plate (58), the deflection plate (58) penetrates through a rectangular groove (59) formed in the bottom surface of the sliding rail (2) and is provided with a cutting machine (510), the deflection plate (58) is hinged to the inner wall of the sliding rail (2), and a spring contraction rod (511) is hinged between the deflection plate (58) and the sliding rail (2).

7. The guiding device with an automatic clamping function for plastic pipe cutting production according to claim 5, wherein the guiding device is characterized in that: the side face of the rotating rod (54) is movably sleeved with a supporting plate (512), and the supporting plate (512) is fixed on the supporting frame (1).

8. The guiding device with an automatic clamping function for plastic pipe cutting production according to claim 2, wherein the guiding device is characterized in that: the transmission piece (33) comprises a groove rod (331), the groove rod (331) is fixed on the cylindrical rod (32), an air cylinder (332) is fixedly connected to the inner wall of the groove rod (331), a sliding rod (333) is hinged to the bottom end of the air cylinder (332), and one end of the sliding rod (333) is movably sleeved on the side face of the power rod (34).