CN112621828B

CN112621828B - PE pipe fitting manufacturing and forming process

Info

Publication number: CN112621828B
Application number: CN202011417800.5A
Authority: CN
Inventors: 陆红华
Original assignee: Hebei Huawei Pipeline Equipment Co ltd
Current assignee: Hebei Huawei Pipeline Equipment Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2022-05-31
Anticipated expiration: 2040-12-07
Also published as: CN112621828A

Abstract

The invention relates to a PE pipe fitting manufacturing and forming process, which mainly comprises the following steps: the PE pipeline cutting equipment comprises an installation frame, a fixing external member and a cutting external member, wherein the fixing external member and the cutting external member are sequentially arranged on the installation frame from left to right, and the PE pipeline cutting equipment can solve the following problems existing in the conventional PE pipeline cutting treatment: a: when the existing PE pipeline is cut, the PE pipeline is often subjected to inclined plane cutting through manual work, the production efficiency is low during manual cutting, and the cut surface of the cut PE pipeline is often uneven, so that the quality of the PE pipeline is influenced; b: when the machine type of the conventional PE pipeline is cut, the situation that the PE pipeline is cracked due to overlarge cutting force often occurs, so that the condition that the PE pipeline is scrapped occurs, and the cost is wasted.

Description

PE pipe fitting manufacturing and forming process

Technical Field

The invention relates to the technical field of PE pipeline production, in particular to a PE pipe fitting manufacturing and forming process.

Background

The PE pipe generally refers to a polyethylene pipe, the PE pipe is produced without adding a heavy metal salt stabilizer, the PE pipe is non-toxic in material, free of a scaling layer, free of bacteria breeding, good in sanitation performance, excellent in corrosion resistance and long in service life, and has good impact resistance, reliable connection performance and good construction performance, so that the PE pipe is widely applied to the fields of water and gas ventilation and the like, and further the demand of the PE pipe is increased rapidly.

The existing PE pipeline has the following problems when being cut: a: when the existing PE pipeline is cut, the PE pipeline is often subjected to inclined plane cutting through manual work, the production efficiency is low during manual cutting, and the cut surface of the cut PE pipeline is often uneven, so that the quality of the PE pipeline is affected; b: when the machine type of the conventional PE pipeline is cut, the situation that the PE pipeline is cracked due to overlarge cutting force often occurs, so that the condition that the PE pipeline is scrapped occurs, and the cost is wasted.

Disclosure of Invention

In order to solve the problems, the invention provides a PE pipe manufacturing and forming process, which uses a PE pipe cutting device and can solve the problems of the PE pipe during cutting.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a PE pipe fitting manufacturing and forming process mainly comprises the following steps:

the method comprises the following steps: equipment inspection: before the PE pipe fitting cutting equipment is started to uniformly cut a large number of PE pipes, checking the running machine type of the equipment;

step two: installing a pipeline: manually inserting a PE pipe to be cut into the through hole A, then manually driving the rack to drive the outer clamping frame to clamp the outer surface of the PE pipe, then manually rotating the hand-operated turntable, driving the translation plate to move along the mounting frame through the thread matching effect, enabling the inner support column to be inserted into the PE pipe, and exerting a supporting force effect on the inner wall of the PE pipe, so that the pipe mounting operation is completed;

step three: cutting a pipeline: after the pipeline installation operation in the step two is completed, the first motor works, the transmission box is driven to work under the action of the driving rod and the driving fluted disc, so that the rotating frame is driven to rotate, the cutting blade is pulled to move along the track on the track block, and the pipeline cutting operation is completed;

step four: taking and detecting: after the pipeline cutting operation is completed, manually and reversely rotating the hand-operated turntable to drive the translation plate to move outwards so that the inner support column leaves the interior of the PE pipeline, manually loosening the outer clamping frame, drawing out the cut PE pipe fitting, and detecting the size of the PE pipeline, thereby achieving the purpose of taking and detecting the pipe fitting;

PE pipe fitting cutting equipment who uses in the above-mentioned step includes mounting bracket, fixed external member and cuts off the external member, turns right from a left side on the mounting bracket and has set gradually fixed external member and cut off the external member.

The fixing kit comprises a support rod, an installation box, an outer clamping frame, a driving rack, inner support columns, a translation plate, a sliding rod, a threaded sleeve, a rotating screw and a hand-operated rotary table, wherein the support rod is uniformly installed on the lower end surface of the installation box in a welding manner, the installation box is fixedly installed on the installation box, through holes A matched with the PE pipe fittings for use are uniformly formed in the installation box, the outer clamping frame is arranged outside the through holes A, the outer clamping frame is fixedly installed on the installation box, the driving rack is arranged between the outer clamping frames, the driving rack is installed on the installation box in a sliding connection manner, the inner support columns matched with the through holes A for use are uniformly arranged outside the installation box, the inner support columns are fixedly installed on the translation plate, the translation plate is installed on the sliding rod in a sliding connection manner, the sliding rod is fixedly installed on the installation box, and the threaded sleeve is fixedly installed on the lower end surface of the translation plate, threaded sleeve inboard is provided with the rotation screw rod that mutually supports and use, it installs on the mounting bracket through the mode of rotating the connection to rotate the screw rod, fixed mounting has hand carousel on the rotation screw rod, in operation, the manual PE pipeline that will cut the processing inserts to the through-hole A of install bin, later artifical removal drive rack, thereby drive outer double-layered frame and clip PE pipe outer wall, later artifical hand carousel of rotating drives and rotates the screw rod, thereby through the screw-thread fit effect, drive translation board slides on the slide bar, thereby make inside support column insert to inside the PE pipeline, inside support of PE pipeline is supported in interior support column effect, thereby accomplish the fixed action to the PE pipeline.

The cutting-off kit comprises a motor, a driving rod, a driving fluted disc, a transmission case, a rotating frame, a sliding plate, a cutting blade and a track block, wherein the motor is fixedly arranged on the outer wall of the mounting frame through a motor base, the driving rod is arranged on an output shaft of the motor, the driving fluted disc is uniformly arranged on the driving rod, the transmission cases which are matched with each other are arranged on the outer side of the driving fluted disc, the transmission case is fixedly arranged on the inner wall of the mounting frame, the rotating frame is arranged on the transmission case, the sliding plate is arranged on the rotating frame in a sliding connection manner, the cutting blade is arranged on the sliding plate in a sliding connection manner, the track block is arranged at the upper end of the cutting blade in a sliding connection manner, the track block is fixedly connected on the lower end face of the transmission case through bolts, and when the cutting-off kit works, the motor works to drive the driving rod to rotate, so that the transmission case works through the action of the driving fluted disc, thereby drive the rotating turret and rotate, pull the blank blade and move along the orbit piece to accomplish the operation of cutting to the PE pipeline.

As a preferred technical scheme, inner clamping blocks are uniformly connected to the inner walls of the through holes A in the installation box through springs, rotating idler wheels are uniformly connected to the inner clamping blocks through bearings, alignment check blocks are uniformly connected to the installation box through the springs, the surfaces of the alignment check blocks are inclined, and spherical balls are uniformly arranged on the alignment check blocks.

As a preferred technical scheme of the invention, a rotating toothed ring matched with the driving rack for use is installed on the outer clamping frame in a sliding connection mode, an extrusion block is arranged on the inner side of the rotating toothed ring, an inner extrusion block is abutted against the outer side of the extrusion block, the inner extrusion block is of an arc structure, and the surface of the inner extrusion block is made of rubber.

As a preferred technical scheme of the invention, the inner supporting columns are uniformly connected with an inner top plate along the axial direction of the inner supporting columns through springs, the inner top plate is of a trapezoidal structure, the inner top plate is uniformly provided with rolling columns in a rotating connection mode, and the inner top plate is fixedly connected with an arc-shaped plate.

As a preferable technical scheme of the invention, a transmission toothed belt matched with the driving toothed disc is arranged in the transmission box, driving rotary discs matched with each other for use are uniformly arranged on the inner sides of the transmission toothed belt in a gear meshing manner, connecting rods are uniformly arranged on the driving rotary discs, the connecting rods are connected with the inner wall of the transmission box in a sliding connection manner, a transmission rod is fixedly arranged on the driving rotary discs, and the transmission rod is connected with the rotating frame.

As a preferred technical scheme of the invention, the track block is of an inclined plane structure, and an annular groove B is formed in the track block.

Compared with the prior art, the invention has the following advantages:

1. the invention can solve the following problems in the existing PE pipeline cutting process: a: when the existing PE pipeline is cut, the PE pipeline is often subjected to inclined plane cutting through manual work, the production efficiency is low during manual cutting, and the cut surface of the cut PE pipeline is often uneven, so that the quality of the PE pipeline is affected; b: when the machine type of the conventional PE pipeline is cut, the situation that the PE pipeline is cracked due to overlarge cutting force often occurs, so that the condition that the PE pipeline is scrapped occurs, and the cost is wasted.

2. According to the cutting device, the cutting external member is designed, the first motor works to drive the driving rod to rotate, the transmission case is driven to work under the action of the driving fluted disc, so that the rotating frame is driven to rotate, the cutting blade is driven to do arc motion along the track on the track block, the cutting of the arc-shaped section of the PE pipeline is realized, the workload of manual cutting is greatly reduced through mechanical driving, the quality of the produced PE pipeline can be guaranteed, and the production efficiency is improved.

3. According to the PE pipe cutting device, the fixing sleeve is designed, a plurality of PE pipes needing cutting are manually inserted into the through holes A of the installation box, then the driving rack is manually moved, the outer clamping frame is driven to clamp the outer wall of the PE pipe through the gear meshing effect, then the hand-operated rotary disc is manually rotated to drive the rotating screw to rotate, so that the translation plate is driven to slide on the sliding rod through the thread matching effect, the inner supporting columns are driven to be inserted into the PE pipes, the inner supporting columns are used for supporting the inner portion of the PE pipes, the PE pipes are fixed, and the pipes are greatly prevented from being broken when the pipes are cut through the combined effect of the outer clamping frame and the inner supporting columns.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of the operation of the present invention;

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

FIG. 3 is a front view of a schematic of the structure of the present invention;

FIG. 4 is a side view of a schematic of the structure of the present invention;

FIG. 5 is a top view of a schematic of the structure of the present invention;

FIG. 6 is a schematic structural view of the outer clamping frame of the present invention;

fig. 7 is a schematic diagram of the structure of the track block of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 7, a PE pipe manufacturing and forming process mainly includes the following steps:

step two: installing a pipeline: manually inserting a PE pipe to be cut into the through hole A, then manually driving the rack 24 to drive the outer clamping frame 23 to clamp the outer surface of the PE pipe, then manually rotating the hand-operated turntable 20, driving the translation plate 26 to move along the mounting frame 1 through the thread matching effect, so that the inner support column 25 is inserted into the PE pipe, and exerting a supporting force effect on the inner wall of the PE pipe, thereby completing the pipe mounting operation;

step three: cutting a pipeline: after the pipeline installation operation in the second step is completed, the first motor works, and drives the transmission case 33 to work under the action of the driving rod 31 and the driving fluted disc 32, so as to drive the rotating frame 34 to rotate, so as to pull the cutting blade 35 to move along the track on the track block 36, and thus, the pipeline cutting operation is completed;

step four: taking and detecting: after the pipeline cutting operation is finished, manually and reversely rotating the hand-operated rotary table 20 to drive the translation plate 26 to move outwards, so that the inner support column 25 leaves the interior of the PE pipeline, manually loosening the outer clamping frame 23, drawing out the cut PE pipe fitting, and detecting the size of the PE pipeline, thereby achieving the purpose of taking and detecting the pipe fitting;

PE pipe fitting cutting equipment who uses in the above-mentioned step includes mounting bracket 1, fixed external member 2 and cuts off external member 3, and the last fixed external member 2 that has set gradually and has cut off external member 3 from a left side to the right side of mounting bracket 1.

The fixing kit 2 comprises a support rod 21, an installation box 22, an outer clamping frame 23, a driving rack 24, an inner support column 25, a translation plate 26, a sliding rod 27, a threaded sleeve 28, a rotating screw 29 and a hand-operated turntable 20, wherein the support rod 21 is uniformly installed on the lower end surface of the installation frame 1 in a welding mode, the installation box 22 is fixedly installed on the installation frame 1, through holes A matched with PE pipe fittings for use are uniformly formed in the installation box 22, the outer clamping frame 23 is arranged on the outer side of the through holes A, the outer clamping frame 23 is fixedly installed on the installation box 22, the driving rack 24 is arranged between the outer clamping frames 23, the driving rack 24 is installed on the installation box 22 in a sliding connection mode, inner support columns 25 matched with the through holes A for use are uniformly arranged on the outer side of the installation box 22, the inner support columns 25 are fixedly installed on the translation plate 26, and the translation plate 26 is installed on the sliding rod 27 in a sliding connection mode, the sliding rod 27 is fixedly arranged on the mounting frame 1, the lower end face of the translation plate 26 is fixedly provided with a threaded sleeve 28, the inner side of the threaded sleeve 28 is provided with a rotating screw 29 which is mutually matched for use, the rotating screw 29 is arranged on the mounting frame 1 in a rotating connection mode, the rotating screw 29 is fixedly provided with a hand-operated turntable 20, when in specific work, a plurality of PE pipes to be cut are manually inserted into the through holes A of the installation box 22, then the driving rack 24 is manually moved, thereby driving the outer clamping frame 23 to clamp the outer wall of the PE pipe through the meshing action of the gears, then manually rotating the hand-operated turntable 20 to drive the rotating screw 29 to rotate, thereby through the screw-thread fit effect, drive translation board 26 slides on slide bar 27 to inside driving interior support column 25 inserts the PE pipeline, interior support column 25 effect supports PE pipeline is inside, thereby accomplishes the fixed action to the PE pipeline.

Clamp 221 in evenly being connected with through-hole A on the install bin 22 through the spring on the inner wall, evenly be connected with through the bearing on the interior clamp 221 and rotate gyro wheel 222, evenly be connected with alignment dog 223 through the spring on the install bin 22, alignment dog 223 surface slope, evenly be provided with spherical ball on the alignment dog 223, in concrete during operation, insert the PE pipe in the through-hole A on install bin 22 surface when the manual work, the rear end face of PE pipe is blocked in the effect of single money 223 of alignment, thereby guarantee that the PE pipe is in same starting point position, the outer wall of PE pipe is cliied because of the spring action to interior clamp 221 simultaneously, thereby reach the purpose of stabilizing the PE pipe, avoid the PE pipe to take place in the condition of rocking when cutting.

Install the rotation ring gear 231 who uses with drive rack 24 mutually supporting through sliding connection's mode on the outer clamp frame 23, it is provided with extrusion piece 232 to rotate ring gear 231 inboard, extrusion piece 232 outside is supported and is leaned on in having crowded piece 233, interior crowded piece 233 is the arc structure, and crowded piece 233 surface constitutes for the rubber material in, concrete during operation, when artifical promotion drive rack 24 downstream, the mode through gear engagement drives rotation ring gear 231 and rotates, thereby drive extrusion piece 232 and extrude interior agent piece 233, make interior agent piece 233 inwards carry PE pipeline outer wall, thereby the purpose of fixed PE pipeline outer wall, stability when having guaranteed subsequent pipeline and cutting.

Interior support column 25 is evenly connected with interior roof 251 through the spring along its axial direction, interior roof 251 is the trapezium structure, evenly be provided with the column 252 that rolls through the mode of rotating the connection on the interior roof 251, fixedly connected with arc 253 on interior roof 251, in concrete work, when interior support column 25 inserts to the PE pipe inner wall because of manual drive, interior roof 251 cliies the PE pipe because of the spring is inside, it is attaching to the inner wall that leans on the PE pipe to drive the arc to rise simultaneously, thereby a supporting force effect of interior PE pipe inner wall, through the effect of cooperation jacket frame 23, the broken condition of PE pipe has greatly been avoided when cutting off external member 3 and cut the PE pipe and handle takes place, the integrality of PE pipe has been guaranteed, and the cost is saved.

The cutting-off kit 3 comprises a first motor, a driving rod 31, a driving fluted disc 32, a transmission case 33, a rotating frame 34, a sliding plate 37, a cutting blade 35 and a track block 36, wherein the first motor is fixedly installed on the outer wall of the mounting frame 1 through a motor base, the driving rod 31 is installed on an output shaft of the first motor, the driving fluted disc 32 is uniformly installed on the driving rod 31, the transmission case 33 which is matched with the driving fluted disc 32 is arranged on the outer side of the driving fluted disc 32, the transmission case 33 is fixedly installed on the inner wall of the mounting frame 1, the rotating frame 34 is installed with the rotating frame 34, the sliding plate 37 is installed on the rotating frame 34 in a sliding connection mode, the cutting blade 35 is installed on the sliding plate 37 in a sliding connection mode, the track block 36 is installed at the upper end of the cutting blade 35 in a sliding connection mode, the track block 36 is fixedly connected on the lower end face of the transmission case 33 through bolts, and the first motor works during specific work, the driving rod 31 is driven to rotate, the transmission case 33 is driven to work through the action of the driving fluted disc 32, so as to drive the rotating rack 34 to rotate, and further drive the cutting blade 35 to move along the track on the track block 36, and thus, the cross-section cutting operation of the PE pipeline is realized.

The transmission gear box 33 is internally provided with a transmission gear belt 331 which is mutually matched with the driving gear disk 32, the inner side of the transmission gear belt 331 is uniformly provided with a driving turntable 332 which is mutually matched in a gear meshing mode, the driving turntable 332 is uniformly provided with a connecting rod 333, the connecting rod 333 is connected with the inner wall of the transmission box 33 in a sliding connection mode, the driving turntable 332 is fixedly provided with a transmission rod 334, the transmission rod 334 is connected with the rotating frame 34, during specific work, the transmission gear belt 331 rotates under the action of the driving gear disk 32, thereby driving the driving turntable 332 to move through the gear engagement, the driving turntable 332 rotates inside the transmission case 33 through the connecting rod 333, the rotating frame 34 is driven to move through the action of the transmission rod 334, so that the blanking blade 35 is driven to move, the PE pipe is cut, and the purpose of cutting the PE pipe is achieved.

Track piece 36 is the inclined plane structure, has seted up ring channel B on the track piece 36, and during concrete work, blank blade 35 follows the action of rotating turret 34 and moves along the ring channel B of track piece 36 to the operation of cutting to the arc tangent plane of PE pipeline is realized, simultaneously because of track piece 36 passes through the bolt and installs on the terminal surface under transmission case 33, so can change the motion trail of blank blade 35 through changing track piece 36.

The foregoing shows and describes the general 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 embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a PE pipe fitting manufacturing and forming process, its has used a PE pipe fitting cutting apparatus, and this PE pipe fitting cutting apparatus includes mounting bracket (1), fixed external member (2) and cuts off external member (3), its characterized in that: the specific method for cutting the PE pipeline by adopting the PE pipe fitting cutting equipment comprises the following steps:

step two: installing a pipeline: manually inserting a PE pipe to be cut into the through hole A, then manually driving a rack (24) to drive an outer clamping frame (23) to clamp the outer surface of the PE pipe, then manually rotating a hand-operated turntable (20), and driving a translation plate (26) to move along an installation frame (1) through a thread matching effect, so that an inner support column (25) is inserted into the PE pipe, a supporting force effect is provided for the inner wall of the PE pipe, and the pipe installation operation is completed;

step three: cutting a pipeline: after the pipeline installation operation in the step two is completed, the first motor works, the driving box (33) is driven to work under the action of the driving rod (31) and the driving fluted disc (32), so that the rotating frame (34) is driven to rotate, the cutting blade (35) is pulled to move along the track on the track block (36), and the pipeline cutting operation is completed;

step four: taking and detecting: after the pipeline cutting operation is finished, manually and reversely rotating the hand-operated rotary table (20) to drive the translation plate (26) to move outwards, so that the inner support column (25) leaves the interior of the PE pipeline, then manually loosening the outer clamping frame (23), drawing out the cut PE pipe fitting, and detecting the size of the PE pipeline, thereby achieving the purpose of taking and detecting the pipe fitting;

a fixing sleeve member (2) and a cutting sleeve member (3) are sequentially arranged on the mounting rack (1) from left to right;

the fixing kit (2) comprises a supporting rod (21), an installation box (22), outer clamping frames (23), driving racks (24), inner supporting columns (25), a translation plate (26), a sliding rod (27), a threaded sleeve (28), a rotating screw (29) and a hand-operated turntable (20), wherein the supporting rod (21) is uniformly installed on the lower end face of the installation frame (1) in a welding mode, the installation box (22) is fixedly installed on the installation frame (1), through holes A matched with PE pipes for use are uniformly formed in the installation box (22), the outer clamping frames (23) are arranged on the outer sides of the through holes A, the outer clamping frames (23) are fixedly installed on the installation box (22), the driving racks (24) are arranged between the outer clamping frames (23), the driving racks (24) are installed on the installation box (22) in a sliding connection mode, the inner supporting columns (25) matched with the through holes A for use are uniformly arranged on the outer sides of the installation box (22), the inner support column (25) is fixedly arranged on the translation plate (26), the translation plate (26) is arranged on the sliding rod (27) in a sliding connection mode, the sliding rod (27) is fixedly arranged on the mounting frame (1), the lower end face of the translation plate (26) is fixedly provided with a threaded sleeve (28), the inner side of the threaded sleeve (28) is provided with a rotating screw (29) which is matched with each other for use, the rotating screw (29) is arranged on the mounting frame (1) in a rotating connection mode, and the rotating screw (29) is fixedly provided with a hand-operated turntable (20);

the cutting-off kit (3) comprises a motor, a driving rod (31), a driving fluted disc (32), a transmission case (33), a rotating frame (34), a sliding plate (37), a cutting blade (35) and a track block (36), wherein the motor is fixedly arranged on the outer wall of the mounting frame (1) through a motor base, the driving rod (31) is arranged on an output shaft of the motor, the driving fluted disc (32) is uniformly arranged on the driving rod (31), the transmission case (33) which is matched with each other for use is arranged on the outer side of the driving fluted disc (32), the transmission case (33) is fixedly arranged on the inner wall of the mounting frame (1), the rotating frame (34) is arranged on the transmission case (33), the sliding plate (37) is arranged on the rotating frame (34) in a sliding connection mode, the cutting blade (35) is arranged on the sliding plate (37) in a sliding connection mode, the track block (36) is arranged at the upper end of the cutting blade (35) in a sliding connection mode, the track block (36) is fixedly connected to the lower end face of the transmission case (33) through bolts.

2. The process of claim 1, wherein the PE pipe comprises: through-hole A inner wall on install bin (22) is last to be connected with interior clamp splice (221) through the spring is evenly, is last to be connected with through the bearing evenly and rotates gyro wheel (222) in interior clamp splice (221), is last to be connected with through the spring evenly and aligns dog (223) on install bin (22), aligns dog (223) surface slope, evenly is provided with spherical ball on aligning dog (223).

3. The process of claim 1, wherein the PE pipe comprises: the outer clamping frame (23) is provided with a rotating toothed ring (231) which is matched with the driving rack (24) for use in a sliding connection mode, an extrusion block (232) is arranged on the inner side of the rotating toothed ring (231), the outer side of the extrusion block (232) is abutted against an inner extrusion block (233), the inner extrusion block (233) is of an arc-shaped structure, and the surface of the inner extrusion block (233) is made of rubber.

4. The process of claim 1, wherein the PE pipe comprises: the inner supporting column (25) is uniformly connected with an inner top plate (251) through a spring along the axial direction of the inner supporting column, the inner top plate (251) is of a trapezoidal structure, rolling columns (252) are uniformly arranged on the inner top plate (251) in a rotating connection mode, and an arc-shaped plate (253) is fixedly connected onto the inner top plate (251).

5. The process of claim 1, wherein the PE pipe comprises: the transmission case (33) is internally provided with a transmission toothed belt (331) which is matched with the transmission toothed disc (32) for use, the inner side of the transmission toothed belt (331) is uniformly provided with a driving turntable (332) which is matched with the transmission toothed disc for use through a gear meshing mode, the driving turntable (332) is uniformly provided with a connecting rod (333), the connecting rod (333) is connected with the inner wall of the transmission case (33) through a sliding connection mode, the driving turntable (332) is fixedly provided with a transmission rod (334), and the transmission rod (334) is connected with the rotating frame (34).

6. The process of claim 1, wherein the PE pipe comprises: the track block (36) is of an inclined surface structure, and an annular groove B is formed in the track block (36).