CN116237988A

CN116237988A - Plastic product edge cutting process

Info

Publication number: CN116237988A
Application number: CN202310119359.XA
Authority: CN
Inventors: 符丹丹; 谷庆东
Original assignee: Foshan Huida Plastic Products Co ltd
Current assignee: Guangdong Qunlong Precision Technology Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-06-09
Anticipated expiration: 2043-02-15
Also published as: CN116237988B

Abstract

The invention provides a plastic product edge cutting process applied to the cutting field, which effectively realizes the conversion from a shearing extrusion process to a straight cutting process in the cutting of a plastic pipe through the arrangement of the extrusion pushing and sticking and full-circle micro-cutting process steps, reduces the tearing effect of a cutting knife on the end surface of the cutting edge of the plastic pipe in the cutting process, improves the cutting efficiency and the cutting quality of the plastic pipe, reduces the cutting difficulty, simultaneously effectively reduces the probability of deformation and napping at the cutting edge of the plastic pipe, reduces the damage degree of the plastic pipe, effectively ensures the service performance of the plastic pipe, and prolongs the service life of the connection at the cutting edge of the plastic pipe.

Description

Plastic product edge cutting process

Technical Field

The application relates to the field of cutting, in particular to a plastic product edge cutting process.

Background

Plastic products are commonly called articles for life, industry and the like which are processed by adopting plastics as main raw materials. Including all technical products such as injection molding, plastic suction and the like which take plastics as raw materials. The plastic is a synthetic polymer material with plasticity.

Plastic pipes are generally manufactured by extrusion processing of synthetic resins, i.e. polyesters, as raw materials, with the addition of stabilizers, lubricants, plasticizers, etc. in a "plastic" manner in a pipe making machine. The pipe is mainly used as a pipeline for a tap water supply system of a house building, a sanitary pipe for drainage, exhaust and pollution discharge, an underground drainage pipe system, a rainwater pipe, a threading pipe for wire installation and assembly, and the like.

In the use of plastic tubing, often need tailor it, but owing to the material property of plastic tubing, can make plastic tubing tailors the edge and receive the influence of shearing force to produce deformation and napping, need constructor to tailors the edge and carry out secondary maintenance, not only reduced the efficiency of construction like this, increased the construction degree of difficulty, still reduced the performance of plastic tubing, reduced the life that its tailors edge department and connect.

Disclosure of Invention

The application aims at solving the problems of deformation and napping of cutting edges of a plastic pipe in the cutting process, and provides a plastic product edge cutting process compared with the prior art, wherein the cutting process relates to a pipe cutting machine and comprises the following steps of:

s1, reserving a clamping position, operating a pipe cutting machine by constructors, controlling a cutting group to be far away from one side of a traction rotating group through a cutting moving group, and reserving the clamping position capable of placing a plastic pipe;

s2, installing the plastic pipe, and clamping the plastic pipe marked with the cutting line into the clamping pipe group by constructors, wherein the cutting line of the plastic pipe corresponds to the working position of the cutting group;

s3, squeezing, pushing and sticking tightly, and enabling constructors to start a cutting control microcomputer to enable a cutting clamping pipe system in the cutting control microcomputer to be started, controlling an automatic squeezing and pushing block to act, enabling the automatic squeezing and pushing block to generate expansion deformation, squeezing and pushing the plastic pipe, enabling the plastic pipe to gradually approach to one side of a traction rotating group in the clamping pipe group, and enabling the plastic pipe to squeeze a pipe sensing block;

s4, after the sticking is completed, when the pipe position sensing block is continuously extruded to generate shrinkage deformation, the pipe position sensing block generates sensing trigger when the plastic pipe is installed and contacted with the end face of the traction transfer set, and sends out pipe position self-checking feedback to the cutting clamping pipe system, so that the cutting clamping pipe system sends out a cutting prompt;

s5, full-circumference micro-cutting,

firstly, a constructor rotates the cutting moving group to control the cutting group to gradually approach towards the traction rotating group, so that the cutting scissors micro-cut the end face of the plastic pipe;

then, the constructor controls the traction rotating group to rotate, so that the traction rotating group drives the plastic pipe to rotate in the clamping pipe group, and the cutting knife performs full-circle micro-cutting on the cutting position of the plastic pipe;

s6, cutting out the materials,

firstly, a constructor rotates the cutting moving group again to control the cutting group to continuously move towards the traction rotating group, so that the cutting scissors cut the end face of the plastic pipe;

then, constructors control the traction rotating group to rotate, so that the traction rotating group drives the plastic pipe to rotate in the clamping pipe group, and the cutting knife cuts the all-round micro-cutting part of the plastic pipe to finish cutting the plastic pipe.

Further, the tube cutting machine comprises a cutting base, a guide sliding hole is formed in the lower end of the cutting base, a cutting moving group is installed in the cutting base, the upper end of the cutting moving group is connected with a cutting group, a pair of traction rotating groups positioned on the upper side of the cutting moving group are installed in the cutting base, the two traction rotating groups are vertically arranged and positioned on the rear side of the cutting group, and the left end and the right end of the cutting base are fixedly connected with tube clamping groups;

the clamping tube group comprises a support frame fixedly connected with the end face of the cutting base, the front end of the support frame is fixedly connected with clamping tube claws, the front ends of the two clamping tube claws are fixedly connected with the same tangent plane guide arc block, the tangent plane guide arc block is positioned between the two traction rotating groups, the front ends of the tangent plane guide arc block are fixedly connected with a pair of tube position sensing blocks, the two tube position sensing blocks respectively correspond to the positions of the clamping tube claws, the upper inner wall and the lower inner wall of the clamping tube claw are fixedly connected with automatic extrusion pushing blocks, and an included angle between the tube position sensing blocks and the automatic extrusion pushing blocks is larger than 90 degrees.

Further, the rear end of the cutting base is fixedly connected with a cutting control microcomputer positioned at the upper side of the cutting moving group, a cutting clamping pipe system is carried in the cutting control microcomputer, the cutting clamping pipe system comprises a clamping pipe state processing unit, the input end of the clamping pipe state processing unit is connected with a self-checking feedback unit, the output end of the clamping pipe state processing unit is connected with a squeezing control unit and a state indicating unit, and the self-checking feedback unit is matched with the squeezing control unit;

the input end of the self-checking feedback unit is connected with the pipe position sensing block through a wire, the output end of the extruding control unit is connected with the automatic extruding block through a wire, and the output end of the state indicating unit is connected with an indicating lamp signal arranged at the upper end of the cutting control microcomputer through a wire.

Further, the automatic extrusion block is made of elastic materials, a deformation cavity is arranged in the automatic extrusion block, the upper inner wall and the lower inner wall of the deformation cavity are fixedly connected with electromagnetic blocks, and the output end of the extrusion control unit is electrically connected with the electromagnetic blocks through a lead.

Further, the sensing cavity is formed in the pipe position sensing block, the triggering columns are fixedly connected to the left inner wall and the right inner wall of the sensing cavity, the contact conducting piece is fixedly connected to the two triggering columns at the positions close to one end of the sensing cavity, the input end of the self-checking feedback unit is electrically connected with the contact conducting piece through a wire, the reset spring sleeved on the outer side of the triggering column is fixedly connected between the front inner wall and the rear inner wall of the sensing cavity, the triggering columns and the reset spring are arranged, position detection is effectively achieved when limiting the plastic pipe in a squeezing mode, linkage of limiting and detection is achieved, cutting efficiency of the plastic pipe is improved, and cutting difficulty of the plastic pipe is reduced.

Further, the movable cutting group comprises a movable screw rod which is rotationally connected in the cutting base, the rear end of the movable screw rod extends to the outer side of the cutting base, the movable screw rod is fixedly connected with a movable rotating handle, the movable cutting group comprises a cutting guide seat which is in threaded connection with the movable screw rod, the lower end of the cutting guide seat is in sliding connection with the guide sliding hole, and a cutting knife is arranged in the cutting guide seat.

Optionally, the output end of the card tubular state processing unit is also connected with a cutting edge heating unit, a plurality of evenly distributed cutting edge heating wires are embedded in the cutting tool, and the output end of the cutting edge heating unit is electrically connected with the cutting edge heating wires through a wire.

Further, S4, the control process of the tightly-attached is as follows:

s41, when the pipe position sensing block is continuously extruded to generate shrinkage deformation, the pipe position sensing block generates sensing trigger when the plastic pipe is installed and contacted with the end face of the traction rotating group, and sends out pipe position self-checking feedback to the cutting clamping pipe system;

s42, after the self-checking feedback signal of the pipe position is received by the cutting card pipe system, the cutting edge of the cutting knife is heated, and after the heating is finished, the temperature of the cutting edge of the cutting knife is kept, and a cutting prompt is sent.

Further, pull the group of changeing including the traction lever of being connected with tailorring the base rotation, traction lever outer end fixedly connected with traction roller, and two traction roller outer terminal surfaces and pipe position response piece cooperate, be located upside traction lever left end and extend to tailorring the base outside, and fixedly connected with traction hand wheel, be connected with the linkage belt that is located traction roller left side between two traction levers, through the rotation of traction hand wheel, drive the traction roller and produce and rotate, drive the plastic tubing and produce the rotation effect, change the plastic tubing and then the tailorring action direction of cutting out the sword, improve the cutting efficiency of plastic tubing, reduce the damage of tailorring of plastic tubing.

Compared with the prior art, the advantage of this application lies in:

(1) Through the arrangement of the extrusion pushing and pasting and the full-circle micro-cutting process steps, the plastic pipe cutting is effectively converted from a shearing extrusion process to a straight cutting process, the tearing effect of a cutting knife on the cutting edge end face of the plastic pipe in the cutting process is reduced, the cutting efficiency and the cutting quality of the plastic pipe are improved, the cutting difficulty is reduced, the probability of deformation and napping at the cutting edge of the plastic pipe is effectively reduced, the damage degree of the plastic pipe is reduced, the service performance of the plastic pipe is effectively ensured, and the service life of connection at the cutting edge of the plastic pipe is prolonged.

(2) Through the cooperation of traction change group and card nest of tubes, effectively realize the position definition and the cutting rotation of plastic tubing when tailorring, realize the conversion to the plastic tubing mode of tailorring, effectively reduce constructor's the operation degree of difficulty, improve and tailor efficiency and tailorring the quality, reduce the deformation of plastic tubing cutting edge department, guarantee its performance.

(3) Through setting up of pipe position response piece and self-checking feedback unit, can detect the tailorring limiting position of plastic tubing, realize the synchronism of screens and testing process, and then effectively shorten the time of card pipe, improve and tailor efficiency to can also carry out the precision assurance to the position of card pipe, avoid appearing the cutting failure that the installation error caused.

(4) The electromagnetic block controls the current direction through the extrusion control unit, so that the automatic extrusion block can be driven to generate an expansion effect under the action of magnetic repulsive force, and further the plastic pipe is synchronously extruded and pushed, so that the plastic pipe can be contacted with the end surface of the traction roller, and the conversion function of the traction roller to a cutting mode can be realized.

(5) Through heating the blade of cutting out the sword effect, not only can reduce the use loss of cutting out the sword, can also effectively improve the cutting out sharpness of cutting out the sword, reduce the tearing effect that the sword was tailor to the plastic tubing production, further reduce the plastic tubing and tailor deformation damage and the galling damage at edge, effectively guarantee the performance of plastic tubing.

(6) The plastic pipe cutting edge cutting device has the advantages that the cutting knife is improved in the plastic pipe cutting process, the cutting efficiency of the cutting knife is improved, the damage to the plastic pipe cutting edge caused by the cutting knife in cutting can be effectively reduced while the damage of the cutting knife edge is reduced, and the use performance of the plastic pipe is effectively guaranteed.

Drawings

FIG. 1 is a flow chart of a clipping process of the present application;

FIG. 2 is a topology of a clipping process of the present application;

FIG. 3 is a clipping process control logic diagram of the present application;

FIG. 4 is an isometric view of a tube cutter of the present application;

FIG. 5 is a diagram of the working state of the automatic push block of the present application;

FIG. 6 is a state diagram of the cutting position of the pipe position sensing block sensing plastic pipe;

FIG. 7 is a cut-away tube machine axis side cross-sectional view of the present application;

FIG. 8 is a front cross-sectional view of a tube cutter when the automatic push block is not pushed;

FIG. 9 is a front cross-sectional view of the tube cutting machine when the automatic extruding and pushing block extrudes and pushes the tube cutting machine;

FIG. 10 is a front cross-sectional view of the automatic push block of the present application without pushing;

FIG. 11 is a front cross-sectional view of the present application when the automatic push block is pushed.

The reference numerals in the figures illustrate:

1 cutting base, 101 guiding slide hole, 2 cutting moving group, 201 moving screw rod, 202 moving rotating handle, 3 cutting group, 301 cutting guide seat, 302 cutting scissors, 4 traction rotating group, 401 traction hand wheel, 402 traction roller, 403 traction rod, 404 friction strip 405 linkage belt, 5 tangent plane guide arc piece, 6 card group, 601 card pipe claw, 602 support frame, 7 pipe position sensing piece, 701 trigger post, 702 reset spring, 8 automatic push block, 801 electromagnetic block, 9 cutting control microcomputer, 10 plastic tubing.

Detailed Description

The embodiments will be described in detail and throughout the specification with reference to the drawings, wherein, based on the embodiments in the application, all other embodiments obtained by persons skilled in the art without making creative efforts are within the scope of protection of the application.

Example 1:

the invention provides a plastic product edge cutting process, referring to fig. 1-11, which relates to a tube cutting machine and comprises the following steps:

s1, reserving a clamping position, operating a pipe cutting machine by constructors, controlling a cutting group 3 to be far away from one side of a traction rotating group 4 through a cutting moving group 2, and reserving the clamping position capable of placing a plastic pipe 10;

s2, installing the plastic pipe 10, and clamping the plastic pipe 10 marked with the cutting line into the clamping pipe group 6 by a constructor, so that the cutting line of the plastic pipe 10 corresponds to the working position of the cutting group 3;

s3, extrusion pushing is tightly carried out, a constructor starts a cutting control microcomputer 9, a cutting clamping pipe system in the cutting control microcomputer 9 is started, an automatic extrusion pushing block 8 is controlled to act, the automatic extrusion pushing block 8 generates expansion deformation, extrusion pushing is carried out on a plastic pipe 10, the plastic pipe 10 is gradually close to one side of a traction rotating group 4 in the clamping pipe group 6, and extrusion is carried out on a pipe induction block 7;

s4, after the sticking is completed, when the pipe position sensing block 7 is continuously extruded to generate shrinkage deformation, the pipe position sensing block generates sensing trigger when the plastic pipe 10 is installed and contacted with the end face of the traction rotating group 4, and sends out pipe position self-checking feedback to the cutting clamping pipe system, so that the cutting clamping pipe system sends out a cutting prompt;

s5, full-circumference micro-cutting,

firstly, a constructor rotates the cutting moving group 2 to control the cutting group 3 to gradually approach towards the traction rotating group 4, so that the cutting scissors 302 micro-cut the end face of the plastic pipe 10;

then, the constructor controls the traction rotating group 4 to rotate, so that the traction rotating group 4 drives the plastic pipe 10 to rotate in the pipe clamping group 6, and the cutting scissors 302 cut the plastic pipe 10 in a full-circle micro-cutting way;

s6, cutting out the materials,

firstly, a constructor rotates the cutting moving group 2 again to control the cutting group 3 to continuously move towards the traction rotating group 4, so that the cutting scissors 302 cut the end face of the plastic pipe 10;

then, constructor controls the traction rotating group 4 to rotate again, so that the traction rotating group 4 drives the plastic pipe 10 to rotate in the pipe clamping group 6, the cutting scissors 302 cut the whole circumference type micro-cutting part of the plastic pipe 10, the cutting of the plastic pipe 10 is completed, the conversion from the cutting extrusion process to the straight cutting process of the cutting of the plastic pipe 10 is effectively realized through the arrangement of the extrusion pushing and the whole circumference type micro-cutting process steps, the tearing effect of the cutting scissors 302 on the cutting edge end surface of the plastic pipe 10 in the cutting process is reduced, the cutting efficiency and the cutting quality of the plastic pipe 10 are improved, the cutting difficulty is reduced, the probability of deformation and napping at the cutting edge of the plastic pipe 10 is also effectively reduced, the damage degree of the plastic pipe 10 is reduced, the service performance of the plastic pipe 10 is effectively ensured, and the service life of the connection at the cutting edge is prolonged.

Referring to fig. 4-11, the tube cutting machine comprises a cutting base 1, a guiding sliding hole 101 is formed in the lower end of the cutting base 1, a cutting moving group 2 is installed in the cutting base 1, the upper end of the cutting moving group 2 is connected with a cutting group 3, a pair of traction rotating groups 4 positioned on the upper side of the cutting moving group 2 are installed in the cutting base 1, the two traction rotating groups 4 are vertically arranged and positioned on the rear side of the cutting group 3, and a clamping tube group 6 is fixedly connected to the left end and the right end of the cutting base 1;

the clamping tube group 6 comprises a supporting frame 602 fixedly connected with the end face of the cutting base 1, the front end of the supporting frame 602 is fixedly connected with a clamping tube claw 601, the front ends of the two clamping tube claws 601 are fixedly connected with a same tangent plane guide arc block 5, the tangent plane guide arc block 5 is positioned between the two traction rotating groups 4, the front end of the tangent plane guide arc block 5 is fixedly connected with a pair of tube position sensing blocks 7, the two tube position sensing blocks 7 respectively correspond to the positions of the clamping tube claw 601, the upper inner wall and the lower inner wall of the clamping tube claw 601 are fixedly connected with an automatic extrusion pushing block 8, an included angle between the tube position sensing block 7 and the automatic extrusion pushing block 8 is larger than 90 degrees, the position limiting and cutting rotation of the plastic tube 10 during cutting are effectively realized through the cooperation of the traction rotating groups 4 and the clamping tube group 6, the operation difficulty of a constructor is effectively reduced, the cutting efficiency and the cutting quality are improved, the deformation of the cutting edge of the plastic tube 10 is reduced, and the service performance of the plastic tube 10 is ensured.

Referring to fig. 3, a clipping control microcomputer 9 located at the upper side of a clipping moving group 2 is fixedly connected to the rear end of a clipping base 1, a clipping pipe clamping system is mounted in the clipping control microcomputer 9, the clipping pipe clamping system comprises a clamping pipe state processing unit, the input end of the clamping pipe state processing unit is connected with a self-checking feedback unit, the output end of the clamping pipe state processing unit is connected with a squeezing control unit and a state indicating unit, and the self-checking feedback unit is also matched with the squeezing control unit;

the input of self-checking feedback unit is connected with pipe position sensing block 7 through the wire, the output of crowded push control unit is connected with automatic crowded push block 8 through the wire, the output of status indication unit is connected with the pilot lamp signal that sets up in cutting control microcomputer 9 upper end through the wire, through the setting of pipe position sensing block 7 and self-checking feedback unit, can detect the restriction position of tailorring of plastic tubing 10, realize the synchronism in screens and the testing process, and then effectively shorten the time of card pipe, improve and tailor efficiency, and can also carry out the precision assurance to the position of card pipe, avoid appearing the cutting defect that the installation failure caused.

Referring to fig. 5 and fig. 7-11, the automatic extrusion block 8 is made of elastic material, a deformation cavity is arranged in the automatic extrusion block 8, the upper inner wall and the lower inner wall of the deformation cavity are fixedly connected with an electromagnetic block 801, the output end of the extrusion control unit is electrically connected with the electromagnetic block 801 through a wire, the electromagnetic block 801 controls the current direction of the extrusion control unit through the extrusion control unit, the automatic extrusion block 8 can be effectively driven to generate an expansion effect under the action of magnetic repulsion force, and then the plastic pipe 10 is synchronously extruded, so that the plastic pipe 10 can be in contact with the end face of the traction roller 402, and the conversion function of the traction roller 402 to a cutting mode can be realized.

Referring to fig. 6, 10 and 11, an induction cavity is formed in the pipe position induction block 7, the left and right inner walls of the induction cavity are fixedly connected with trigger posts 701, one ends, close to each other, of the two trigger posts 701 are fixedly connected with contact conducting plates, the input end of the self-checking feedback unit is electrically connected with the contact conducting plates through a wire, a reset spring 702 sleeved on the outer side of the trigger posts 701 is fixedly connected between the front and rear inner walls of the induction cavity, and the trigger posts 701 and the reset spring 702 are arranged, so that position detection is effectively realized while extrusion limiting is performed on the plastic pipe 10, linkage of limiting and detection is realized, cutting efficiency of the plastic pipe 10 is improved, and cutting difficulty of the plastic pipe 10 is reduced.

Referring to fig. 4-11, the cutting moving set 2 includes a moving screw 201 rotatably connected in the cutting base 1, the rear end of the moving screw 201 extends to the outer side of the cutting base 1 and is fixedly connected with a moving rotating handle 202, the cutting set 3 includes a cutting guide seat 301 in threaded connection with the moving screw 201, the lower end of the cutting guide seat 301 is slidably connected with the guiding sliding hole 101, and a cutting knife 302 is installed in the cutting guide seat 301.

Referring to fig. 4-11, the traction rotating set 4 includes a traction rod 403 rotatably connected with the cutting base 1, the outer ends of the traction rod 403 are fixedly connected with traction rollers 402, the outer end surfaces of the two traction rollers 402 are matched with the pipe position sensing block 7, the left end of the traction rod 403 located at the upper side extends to the outer side of the cutting base 1 and is fixedly connected with a traction hand wheel 401, a linkage belt 405 located at the left side of the traction roller 402 is connected between the two traction rods 403, the traction roller 402 is driven to rotate through rotation of the traction hand wheel 401, the plastic pipe 10 is driven to rotate, the cutting action direction of the plastic pipe 10 and then the cutting tool 302 is changed, the cutting efficiency of the plastic pipe 10 is improved, and cutting damage of the plastic pipe 10 is reduced.

Referring to fig. 4-11, the outer end of the traction roller 402 is fixedly connected with a plurality of friction strips 404 which are reversely and uniformly distributed along the circumference of the traction roller, and the friction strips 404 are made of rubber materials, so that the friction action between the traction roller 402 and the plastic pipe 10 can be increased by the friction strips 404, the plastic pipe 10 can be driven to rotate by the rotation of the traction roller 402, the linkage is provided, the rotation difficulty of constructors is reduced, and the slipping condition of the plastic pipe 10 is avoided.

Referring to fig. 1-11, in the use process of the pipe cutting machine, a constructor clamps a plastic pipe 10 into a pipe clamping claw 601, then presses a start button on a cutting control microcomputer 9 to electrify a cutting pipe clamping system, a pipe clamping state processing unit controls a extrusion control unit to start, the extrusion control unit introduces currents in different directions to two electromagnetic blocks 801 in the same automatic extrusion block 8, so that the electromagnetic blocks 801 in the same automatic extrusion block 8 generate magnetic poles with different magnetism, and further generate repulsive magnetic force, under the action of the magnetic force, the two electromagnetic blocks 801 are gradually far away, the automatic extrusion block 8 is driven to generate an inflation effect, the upper and lower automatic extrusion blocks 8 in the pipe clamping claw 601 generate extrusion force towards the circle center direction of the pipe clamping claw 601, continuous extrusion limiting is performed on the plastic pipe 10, the plastic pipe 10 continuously moves towards one side of a tangent plane guide arc block 5 under the action of the automatic extrusion block 8, the pipe position induction block 7 is extruded, and in the continuous extrusion process of the pipe position induction block 7, the pipe position induction block 7 is enabled to be gradually far away from the other side of the guide arc block 5, and the contraction block 7 is enabled to be located near one side of a trigger arc 702 of the trigger arc 5, and the trigger arc is located near one side of the trigger arc 5;

when the two trigger posts 701 are abutted, the contact conducting plates on the trigger posts generate contact signals and feed the contact signals back to the self-checking feedback unit, the self-checking feedback unit sends out pipe position self-checking feedback signals to the clamping pipe-shaped processing unit, and the self-checking feedback unit directly carries out instruction control on the extrusion control unit, so that the extrusion control unit keeps current in the electromagnetic block 801, the effectiveness of extrusion force is effectively ensured, after the clamping pipe-shaped processing unit receives the pipe position self-checking feedback signals, the state indicating unit controls the indicating lamp to generate cutting indicating signals to indicate that the extrusion limit of the plastic pipe 10 is completed, and the end face of the plastic pipe 10 is abutted against the end face of the traction roller 402;

in the continuous extrusion process of the electromagnetic block 801, the clamping tube state processing unit controls the extrusion time limit, if the clamping tube state processing unit does not receive a tube position self-checking feedback signal sent by the clamping tube state processing unit within the set time limit range, the clamping tube state processing unit controls the extrusion control unit to stop acting, the electromagnetic block 801 is powered off, the automatic extrusion block 8 generates shrinkage reset under the action of self elasticity, the extrusion limit of the plastic tube 10 is contacted, the state indication unit controls the indicator lamp to generate an alarm signal synchronously, and a constructor judges and processes the state at the moment;

after receiving the cutting indication signal, a constructor manually rotates the movable rotary handle 202 to enable the movable screw rod 201 to rotate, the cutting guide seat 301 drives the cutting knife 302 to move towards the traction rotary group 4 under the limit of the guide sliding hole 101, and after the cutting knife 302 cuts into the wall surface of the plastic pipe 10 for a certain distance, the movable rotary handle 202 stops rotating to complete micro cutting; then the constructor rotates the traction hand wheel 401 again, so that the two traction rods 403 rotate in the same direction under the assistance of the linkage belt 405, the traction rods 403 drive the plastic pipe 10 to rotate through the friction strips 404, and the cutting knife 302 forms a full Zhou Shiwei cut at the outer end of the plastic pipe 10;

it is worth noting that the full-circumference micro-cutting can be controlled by constructors according to the wall thickness of the plastic pipe 10, so that the quality of the cutting edge of the plastic pipe 10 is ensured, and meanwhile, the cutting efficiency of the plastic pipe 10 is improved;

then the constructor continues to rotate the movable rotary handle 202, and the cutting knife 302 continues to cut into the plastic pipe 10 until the state of cutting off the single side wall surface of the plastic pipe 10 is formed, so as to form cutting cut; then, a constructor rotates the traction hand wheel 401 again, so that the two traction rods 403 rotate in the same direction under the assistance of the linkage belt 405, and the traction rods 403 drive the plastic pipe 10 to rotate through the friction strips 404, and the plastic pipe 10 is cut; the plastic pipe 10 is effectively cut and extruded from the shearing extrusion process to the conversion of the straight cutting process, the tearing effect of the cutting scissors 302 on the cutting edge end face of the plastic pipe 10 in the cutting process is reduced, the cutting efficiency and the cutting quality of the plastic pipe 10 are improved, the cutting difficulty is reduced, the probability of deformation and napping at the cutting edge of the plastic pipe 10 is effectively reduced, the damage degree of the plastic pipe 10 is reduced, the service performance of the plastic pipe 10 is effectively ensured, and the service life of connection at the cutting edge of the plastic pipe is prolonged.

Example 2:

the present invention provides a plastic product edge cutting process, please refer to fig. 1-11, wherein the same or corresponding components as those in embodiment 1 are designated by the corresponding reference numerals as in embodiment 1, and only the differences from embodiment 1 are described below for the sake of brevity. This embodiment 2 is different from embodiment 1 in that: the output of card tubular state processing unit still is connected with blade heating element, cuts out the cutting knife 302 and has the blade heater strip of a plurality of evenly distributed, blade heating element's output passes through wire and blade heater strip electric connection, through the blade to cutting knife 302 heating action, not only can reduce the use loss of cutting knife 302, can also effectively improve cutting knife 302 and cut out sharpness, reduce cutting knife 302 and cut out the tearing effect that produces to plastic tubing 10, further reduce plastic tubing 10 and cut out the deformation damage and the napping damage of edge, effectively guarantee plastic tubing 10's performance.

Referring to fig. 1-11, the cutting process includes the steps of:

s41, when the pipe position sensing block 7 is continuously extruded to generate shrinkage deformation, sensing triggering is generated when the plastic pipe 10 is installed and contacted with the end face of the traction rotating group 4, and pipe position self-checking feedback is sent to the cutting clamping pipe system;

s42, after the pipe position self-checking feedback signal is received by the cutting clamping pipe system, the cutting edge of the cutting knife 302 is heated, after the heating is finished, the cutting edge temperature of the cutting knife 302 is kept, a cutting prompt is sent, the cutting knife 302 is improved in the cutting process of the plastic pipe 10, the cutting efficiency of the cutting knife 302 is improved, the damage to the cutting edge of the plastic pipe 10 caused by the cutting of the cutting knife 302 can be effectively reduced while the damage to the cutting edge of the cutting knife 302 is reduced, and the use performance of the plastic pipe 10 is effectively ensured;

s5, full-circumference micro-cutting,

s6, cutting out the materials,

then, the constructor controls the traction rotating group 4 to rotate again, so that the traction rotating group 4 drives the plastic pipe 10 to rotate in the pipe clamping group 6, and the cutting scissors 302 cut the all-round micro-cutting part of the plastic pipe 10, so that the cutting of the plastic pipe 10 is completed.

Example 3:

the present invention provides a plastic product edge cutting process, please refer to fig. 1-11, wherein the same or corresponding components as those in embodiment 2 are designated by the corresponding reference numerals as in embodiment 2, and only the differences from embodiment 2 are described below for the sake of brevity. This embodiment 3 is different from embodiment 2 in that: the cutting process comprises the following steps:

s42, after the pipe position self-checking feedback signal is received by the cutting clamping pipe system, cutting edge heating is carried out on the cutting knife 302, after the heating is finished, continuous heating of the cutting edge of the cutting knife 302 is stopped, a cutting prompt is sent, the cutting knife 302 is improved in the cutting process of the plastic pipe 10, the cutting efficiency of the cutting knife 302 is improved, the damage to the cutting edge of the plastic pipe 10 caused by cutting of the cutting knife 302 can be effectively reduced while the damage to the cutting edge of the cutting knife 302 is reduced, and the use performance of the plastic pipe 10 is effectively ensured;

s5, full-circumference micro-cutting,

s6, cutting out the materials,

then, the constructor controls the traction rotating group 4 to rotate, so that the traction rotating group 4 drives the plastic pipe 10 to rotate in the pipe clamping group 6, and the cutting scissors 302 cut the all-round micro-cutting part of the plastic pipe 10, so that the cutting of the plastic pipe 10 is completed; the cutting edge of the cutting knife 302 is heated only in the full-circumference micro-cutting process step, so that the efficiency and sharpness of the cutting knife 302 entering the plastic pipe 10 are improved, the energy consumption is reduced, meanwhile, the thermal deformation of the cutting edge of the plastic pipe 10 caused by continuously heating the cutting edge can be effectively avoided, and the cutting quality of the plastic pipe 10 is further ensured.

The foregoing is merely a preferred embodiment of the present application, which is used in connection with the actual requirement, but the scope of the present application is not limited thereto.

Claims

1. The plastic product edge cutting process is characterized by comprising the following steps of:

s1, reserving a clamping position, operating a pipe cutting machine by constructors, controlling a cutting group (3) to be far away from one side of a traction rotating group (4) through a cutting moving group (2), and reserving the clamping position capable of placing a plastic pipe (10);

s2, installing the plastic pipe (10), and clamping the plastic pipe (10) marked with the cutting line into the clamping pipe group (6) by constructors, wherein the cutting line of the plastic pipe (10) corresponds to the working position of the cutting group (3);

s3, extrusion pushing is tightly carried out, a constructor starts a cutting control microcomputer (9), a cutting clamping pipe system in the cutting control microcomputer (9) is started, an automatic extrusion pushing block (8) is controlled to act, the automatic extrusion pushing block (8) is expanded and deformed, extrusion pushing is carried out on a plastic pipe (10), the plastic pipe (10) is gradually close to one side of a traction rotating group (4) in a clamping pipe group (6), and extrusion is carried out on a pipe induction block (7);

s4, after the sticking is completed, when the pipe position sensing block (7) is continuously extruded to generate shrinkage deformation, the pipe position sensing block generates sensing trigger when the plastic pipe (10) is installed to be in contact with the end face of the traction rotating group (4), and sends out pipe position self-checking feedback to the cutting clamping pipe system, so that the cutting clamping pipe system sends out a cutting prompt;

s5, full-circumference micro-cutting,

firstly, a constructor rotates the cutting moving group (2) to control the cutting group (3) to gradually approach towards the traction rotating group (4), so that the cutting knife (302) carries out micro cutting on the end face of the plastic pipe (10);

then, the constructor controls the traction rotating group (4) to rotate, so that the traction rotating group (4) drives the plastic pipe (10) to rotate in the pipe clamping group (6), and the cutting knife (302) cuts the cutting position of the plastic pipe (10) in a full-circle mode;

s6, cutting out the materials,

firstly, a constructor rotates the cutting moving group (2) again to control the cutting group (3) to continuously move towards the traction rotating group (4), so that the cutting knife (302) cuts the end face of the plastic pipe (10);

then, constructors control the traction rotating group (4) to rotate, so that the traction rotating group (4) drives the plastic pipe (10) to rotate in the pipe clamping group (6), and the cutting knife (302) cuts the full-circumference micro-cutting position of the plastic pipe (10) to finish cutting the plastic pipe (10).

2. The plastic product edge cutting process according to claim 1, wherein the pipe cutting machine comprises a cutting base (1), a guide sliding hole (101) is formed in the lower end of the cutting base (1), a cutting moving group (2) is installed in the cutting base (1), a cutting group (3) is connected to the upper end of the cutting moving group (2), a pair of traction rotating groups (4) located on the upper side of the cutting moving group (2) are installed in the cutting base (1), the two traction rotating groups (4) are vertically arranged and located on the rear side of the cutting group (3), and clamping pipe groups (6) are fixedly connected to the left end and the right end of the cutting base (1);

the clamping tube group (6) comprises a supporting frame (602) fixedly connected with the end face of the cutting base (1), the front ends of the supporting frame (602) are fixedly connected with clamping tube claws (601), the front ends of the two clamping tubes Guan Zhao (601) are fixedly connected with the same tangent plane guide arc block (5), the tangent plane guide arc block (5) is positioned between the two traction rotating groups (4), the front ends of the tangent plane guide arc block (5) are fixedly connected with a pair of tube position sensing blocks (7), the two tube position sensing blocks (7) are respectively corresponding to the positions of the clamping tubes Guan Zhao (601), the upper inner wall and the lower inner wall of the clamping tube Guan Zhao (601) are fixedly connected with automatic extrusion blocks (8), and an included angle between the tube position sensing blocks (7) and the automatic extrusion blocks (8) is larger than 90 degrees.

3. The plastic product edge cutting process according to claim 2, wherein the rear end of the cutting base (1) is fixedly connected with a cutting control microcomputer (9) positioned at the upper side of the cutting moving group (2), a cutting clamping pipe system is carried in the cutting control microcomputer (9), the cutting clamping pipe system comprises a clamping pipe state processing unit, the input end of the clamping pipe state processing unit is connected with a self-checking feedback unit, the output end of the clamping pipe state processing unit is connected with a push control unit and a state indicating unit, and the self-checking feedback unit is also matched with the push control unit;

the input end of the self-checking feedback unit is connected with the pipe position sensing block (7) through a wire, the output end of the extruding control unit is connected with the automatic extruding block (8) through a wire, and the output end of the state indicating unit is connected with an indicating lamp signal arranged at the upper end of the cutting control microcomputer (9) through a wire.

4. The plastic product edge cutting process according to claim 3, wherein the automatic extrusion block (8) is made of elastic materials, a deformation cavity is arranged in the automatic extrusion block (8), electromagnetic blocks (801) are fixedly connected to the upper inner wall and the lower inner wall of the deformation cavity, and the output end of the extrusion control unit is electrically connected with the electromagnetic blocks (801) through a wire.

5. The plastic product edge cutting process according to claim 3, wherein an induction cavity is formed in the pipe position induction block (7), trigger columns (701) are fixedly connected to the left and right inner walls of the induction cavity, contact conducting pieces are fixedly connected to the two adjacent ends of the trigger columns (701), the input end of the self-checking feedback unit is electrically connected with the contact conducting pieces through a wire, and a reset spring (702) sleeved on the outer side of the trigger column (701) is fixedly connected between the front and rear inner walls of the induction cavity.

6. A plastic product edge cutting process according to claim 3, wherein the cutting moving group (2) comprises a moving screw rod (201) rotatably connected in the cutting base (1), the rear end of the moving screw rod (201) extends to the outer side of the cutting base (1) and is fixedly connected with a moving rotating handle (202), the cutting group (3) comprises a cutting guide seat (301) in threaded connection with the moving screw rod (201), the lower end of the cutting guide seat (301) is in sliding connection with the guide sliding hole (101), and a cutting knife (302) is arranged in the cutting guide seat (301).

7. The plastic product edge cutting process according to claim 6, wherein the output end of the clamp-shaped state processing unit is further connected with a cutting edge heating unit, a plurality of uniformly distributed cutting edge heating wires are embedded in the cutting knife (302), and the output end of the cutting edge heating unit is electrically connected with the cutting edge heating wires through a wire.

8. The plastic product edge cutting process according to claim 7, wherein the control process of the tightening is:

s41, when the pipe position sensing block (7) is continuously extruded to generate shrinkage deformation, sensing triggering is generated when the plastic pipe (10) is installed and contacted with the end face of the traction rotating group (4), and pipe position self-checking feedback is sent to the cutting clamping pipe system;

s42, after the self-checking feedback signal of the pipe position is received by the cutting card pipe system, cutting edge heating is carried out on the cutting knife (302), and after the heating is finished, the cutting edge temperature of the cutting knife (302) is kept, and a cutting prompt is sent out.

9. The plastic product edge cutting process according to claim 2, wherein the traction rotating group (4) comprises a traction rod (403) rotationally connected with the cutting base (1), the outer ends of the traction rods (403) are fixedly connected with traction rollers (402), the outer end surfaces of the two traction rollers (402) are matched with the pipe position sensing block (7), the left end of the traction rod (403) located on the upper side extends to the outer side of the cutting base (1), a traction hand wheel (401) is fixedly connected with the traction rod, and a linkage belt (405) located on the left side of the traction rollers (402) is connected between the two traction rods (403).

10. A process for cutting edges of plastic products according to claim 9, wherein the outer end of said traction roller (402) is fixedly connected with a plurality of friction strips (404) distributed reversely and uniformly along the circumference thereof.