CN113320127A - Tube weaving machine capable of realizing rapid tape changing and continuous production and using method thereof - Google Patents

Abstract

The invention relates to the technical field of composite plastic pipe production equipment, in particular to a pipe weaving machine capable of realizing rapid belt changing and continuous production and a using method thereof. The pipe knitting machine comprises a sliding rail and a translation base which is connected to the sliding rail in a sliding mode, wherein a winding mechanism and a heating mechanism are arranged on the translation base, a guide mechanism is arranged between the winding mechanism and the heating mechanism, the winding mechanism is used for winding a protective belt on a plastic pipe, the heating mechanism is used for heating the joint of the protective belt and the plastic pipe, so that the protective belt and the plastic pipe are bonded together to form a composite plastic pipe, and the guide mechanism is used for guiding the protective belt and preventing the protective belt from wrinkling; the winding mechanism is equipped with the revolving stage including setting up the winding frame on the translation base in the winding frame, and the revolving stage is equipped with the plastic tubing and dodges the portion, and the plastic tubing passes the plastic tubing and dodges the portion, and the direction of rotation of revolving stage is perpendicular and the direction of advance of plastic tubing, is equipped with the back shaft on the revolving stage. The equipment does not need to be stopped during use, so that the time is saved, and the working efficiency is improved.

Description

Tube weaving machine capable of realizing rapid tape changing and continuous production and using method thereof

Technical Field

The invention relates to the technical field of composite plastic pipe production equipment, in particular to a pipe weaving machine capable of realizing rapid belt changing and continuous production and a using method thereof.

Background

At present, before being used, a plurality of pipelines need to be wound with corresponding protective layers on the outer sides of the pipelines, the pipelines are generally braided through a pipe braiding machine, the pipelines are driven by a traction device to advance, the braiding machine braids the pipelines, however, when a protective tape roll on the braiding machine is used up, the traction device needs to be stopped to stop the pipelines to move, plastic pipe production equipment is restarted after a new protective tape roll is replaced, and the traction device drives the pipelines to advance again. Therefore, it is time consuming to replace the new roll of protective tape.

Therefore, there is a need for a tube braiding machine that can replace the protective band without stopping the plastic tube production equipment and the traction device, and can quickly replace the protective band, which saves time and improves work efficiency.

Disclosure of Invention

Aiming at the defects, the invention provides a tube knitting machine capable of quickly changing tapes and continuously producing the tapes.

The technical scheme adopted by the invention for solving the technical problems is as follows: a pipe weaving machine capable of realizing rapid tape changing and continuous production comprises a slide rail and a translation base connected to the slide rail in a sliding mode, wherein a winding mechanism and a heating mechanism are arranged on the translation base, a guide mechanism is arranged between the winding mechanism and the heating mechanism, the winding mechanism is used for winding a protective tape on a plastic pipe, the heating mechanism is used for heating the joint of the protective tape and the plastic pipe, so that the protective tape and the plastic pipe are bonded together to form a composite plastic pipe, and the guide mechanism is used for guiding the protective tape and preventing the protective tape from generating wrinkles;

the winding mechanism comprises a winding rack arranged on the translation base, a rotating table is arranged on the winding rack, the rotating table is provided with a plastic pipe avoiding part, the plastic pipe penetrates through the plastic pipe avoiding part, the rotating direction of the rotating table is perpendicular to the advancing direction of the plastic pipe, and a supporting shaft is arranged on the rotating table;

when the protective belt on the supporting shaft is used up, the rotating table stops rotating, the translation base is controlled to move along the sliding rail at the same speed as the plastic pipe, and the rotating table and the plastic pipe are kept relatively static in the advancing direction of the plastic pipe, so that the supporting shaft is convenient to replace a new protective belt reel;

when the translation base is static, the rotating speed of the rotating platform is 6 to 10 circles/minute; when the rotating table and the plastic pipe keep relatively static in the advancing direction of the plastic pipe, the supporting shaft is replaced by a new protective belt reel, and the rotating speed of the rotating table is 8-12 circles per minute in the resetting process of the translation base.

Furthermore, the supporting shaft is arranged in a hollow manner, a protective belt coil is arranged on the supporting shaft, a tray is fixedly connected to the lower end of the supporting shaft, and a pressure plate is connected to the upper end of the supporting shaft in a sliding manner;

a longitudinal pneumatic telescopic rod is nested in the support shaft, a detachable plum blossom connecting sheet is arranged at the top end of the longitudinal cylinder and is fixedly connected with the pressure plate, a sliding connecting flap is arranged on the plum blossom connecting sheet, and a sliding chute for sliding the sliding connecting flap is formed in the circumferential direction of the upper half section of the support shaft;

the circumference direction of the second half section of back shaft has seted up a plurality of evenly distributed's cut groove that cuts, it supports the cutting piece to cut sliding connection in the groove, nested being equipped with in the back shaft is used for the intercommunication cylinder, and can avoiding vertical pneumatic telescopic handle's annular gas circuit connector, the circumference direction of annular gas circuit connector is equipped with a plurality ofly and supports the cutting piece position corresponding, and with support the horizontal pneumatic telescopic handle that the cutting piece is connected.

Further, the supporting cutting piece comprises a fan-shaped supporting sheet and cutting blades which are arranged on two sides of the lower surface of the fan-shaped supporting sheet and are vertically arranged.

Further, a supporting paper tube is arranged in the center of the protective belt coil, a plurality of evenly distributed limiting grooves are formed in the circumferential direction of the inner wall of the supporting paper tube, and limiting strips matched with the limiting grooves are arranged in the circumferential direction of the outer side of the supporting shaft.

Furthermore, a fixed gear is arranged on the winding rack, a rotating motor is arranged on the rotating platform, and a rotating gear meshed with the fixed gear is arranged on an output shaft of the rotating motor;

the guide mechanism comprises two turnplates which are respectively and rotatably connected to the winding rack and the heating rack, each turnplate is provided with an installation frame, four installation rods are arranged between the two installation frames, two adjacent installation rods are provided with installation plates, and each installation plate is provided with two guide rollers which are arranged in parallel and have an interval allowing only one layer of protective belt to pass through;

a support shaft adjusting plate is arranged on the rotating table and provided with a servo motor, a driving gear is arranged on an output shaft of the servo motor, the support shaft is rotatably connected to the support shaft adjusting plate, and a driven gear meshed with the driving gear is arranged at the lower end of the support shaft;

and an adjusting cylinder is arranged on the supporting shaft adjusting plate, so that an included angle between the supporting shaft and the rotating table is adjustable.

Furthermore, an adhesive layer is arranged on the inner side surface of the protective tape roll.

Furthermore, the initiating terminal of protective tape roll coil of strip and the end that terminates all open and have the overlap joint groove, and the overlap joint inslot of initiating terminal and end is provided with reference column and constant head tank respectively.

Further, the starting end and the termination end of the protective belt coil of strip all opened the spread groove, be provided with articulated post and overlap joint post in the spread groove, be provided with the connector link on the articulated post, the thickness of connector link equals with the height of overlap joint post, and equalling in half of the height of articulated post, articulated capital end is equipped with the head. When two different protective tape coils need to be connected, all the connecting buckles are connected with the lap joint columns at the tail ends of the other protective tape coils, and on the contrary, all the connecting columns are connected with the lap joint columns on the protective tape coils at the positions of the connecting columns.

A use method of a tube knitting machine capable of rapidly changing tapes and continuously producing comprises the following steps:

s1: before use, the transverse pneumatic telescopic rod is extended, so that the fan-shaped supporting sheet can support a supporting paper tube of a protective belt coil, then the quincuncial connecting sheet is detached, a plurality of protective belt coils are arranged on all supporting shafts, the quincuncial connecting sheet is arranged after the protective belt coils are arranged, and the starting end of the protective belt at the lowest end of one or two supporting shafts is fixed on a plastic tube;

s2: starting the rotating table to rotate, weaving the protective belt around the circumference of the plastic pipe, and forming a spiral protective belt outer layer on the woven plastic pipe;

s3, when the protective belt on the supporting shaft is used up, controlling the rotating table to stop rotating, starting the translation base, enabling the winding rack on the translation base to move along the base from the initial position at the same speed as the plastic pipe, and enabling the rotating table and the plastic pipe to keep relatively static in the advancing direction of the plastic pipe;

s4: starting the transverse pneumatic telescopic rod and the longitudinal pneumatic telescopic rod to enable the transverse pneumatic telescopic rod and the longitudinal pneumatic telescopic rod to both contract, so that the next protective belt coil falls, meanwhile, the supporting paper tube of the previous protective belt coil moves to the position below the fan-shaped supporting sheet, then, the transverse pneumatic telescopic rod is reset, the cutting blade cuts the supporting paper tube of the previous protective belt coil into a plurality of pieces, the supporting paper tube falls along with the rotation of the rotating table, and the starting end of the unused protective belt coil and the tail end of the used protective belt coil, which is positioned at the braided tube, are jointed;

s5: and starting the rotating platform to continue rotating, simultaneously starting the translation base to move in the direction opposite to the direction in the step S3 and reset to the initial position, wherein the rotating platform is raised in rotating speed, the translation base stops moving after being reset to the initial position, and the rotating platform is restored to the normal speed at the moment.

S6: and repeating the steps S3 to S5 in sequence until the protective tape roll is completely used up, and repeating the steps S1 to S5 until the tube weaving is completed.

The invention has the beneficial effects that: when the protective belt reel of the pipe knitting machine is replaced, after the protective belt on the supporting shaft is used up, the rotating table stops rotating, the translation base is started to move from the initial position along the sliding rail at the same speed as the plastic pipe, and the rotating disc and the plastic pipe are kept relatively static; the starting end of the protective tape roll of the unused protective tape roll on the supporting shaft is jointed with the tail end of the used protective tape roll positioned on the plastic pipe, and the stop is not needed in the process, so that the time is saved, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic perspective view of a tube-braiding machine according to the present invention;

FIG. 2 is a schematic front view of a tube braiding machine according to the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic perspective view of the protective belt of the rapid belt changer;

FIG. 5 is a schematic front view of the quick-change device in a state of mounting a guard band;

FIG. 6 is a schematic cross-sectional view taken along line B-B of FIG. 5;

FIG. 7 is a schematic perspective view of the quick tape changer of the present invention;

FIG. 8 is a schematic cross-sectional view of a quick-change device of the present invention;

FIG. 9 is a schematic view of the internal structure of the quick tape changer of the present invention;

FIG. 10 is a schematic view of a support shaft of the present invention;

FIG. 11 is a schematic view of a guard band of the present invention;

FIG. 12 is a schematic view of the support cutter;

FIG. 13 is a schematic view of a roll of protective tape in accordance with example 1 of the present invention;

FIG. 14 is an enlarged schematic view of the structure of FIG. 13;

FIG. 15 is a schematic view of a roll of protective tape according to example 2 of the present invention;

FIG. 16 is an enlarged schematic view of the structure of FIG. 14;

FIG. 17 is a schematic side view of a roll of protective tape according to example 2 of the present invention;

FIG. 18 is a schematic top view of a roll of protective tape according to example 2 of the present invention.

The device comprises a base, a sliding rail, a base, a winding mechanism, a heating mechanism, a guide mechanism, a protective belt coil, a winding rack, a rotating table, a winding mechanism, a supporting shaft, a supporting plate, a tray, a pressing plate, a longitudinal pneumatic telescopic rod, a right circular connecting piece, a sliding connecting valve, a sliding groove, a cutting groove, a circular gas circuit connector, a transverse pneumatic telescopic rod, a supporting cutting piece, a cutting blade 315, a fan-shaped supporting piece, a limiting strip, a supporting paper tube 601, a supporting paper tube, a limiting groove, a lapping groove, a 604, a positioning column, a 605, a connecting groove, 606, a connecting buckle, a 607, a hinged column, a 608, a lapping column, a 609 and a sealing head.

Detailed Description

In order to make the technical means, technical features, objects and technical effects of the present invention easily understandable, the present invention is further described below with reference to the specific drawings.

Example 1:

as shown in fig. 1-14, the tube knitting machine for rapid tape changing continuous production provided by the present invention comprises a sliding rail 1 and a translation base 2 slidably connected to the sliding rail 1, wherein a winding mechanism 3 and a heating mechanism 4 are arranged on the translation base 2, a guiding mechanism 5 is arranged between the winding mechanism 3 and the heating mechanism 4, the winding mechanism 3 is used for winding a protective tape on a plastic tube, the heating mechanism 4 is used for heating a joint of the protective tape and the plastic tube, so that the protective tape and the plastic tube are bonded together to form a composite plastic tube, and the guiding mechanism 5 is used for guiding the protective tape and preventing the protective tape from wrinkling;

the winding mechanism 3 comprises a winding rack 301 arranged on the translation base 2, a rotating table 302 is arranged on the winding rack 301, a plastic pipe avoiding part is arranged on the rotating table 302, the plastic pipe penetrates through the plastic pipe avoiding part, the rotating direction of the rotating table 302 is perpendicular to the advancing direction of the plastic pipe, and a supporting shaft 303 used for supporting a protective belt coil is arranged on the rotating table 302;

when one protective belt on the supporting shaft 303 is used up, stopping rotating the rotating table, controlling the translation base to move along the sliding rail at the same speed as the plastic pipe, and keeping the rotating table and the plastic pipe relatively still in the advancing direction of the plastic pipe so as to facilitate the supporting shaft to replace a new protective belt coil;

when the translation base is static, the rotating speed of the rotating platform is 6 to 10 circles/minute; when the rotating table and the plastic pipe keep relatively static in the advancing direction of the plastic pipe, the supporting shaft is replaced by a new protective belt coil, and the rotating speed of the rotating table is 8-12 circles per minute in the resetting process of the translation base. Specifically, when the translation base is static, the rotating speed of the rotating table is any integer number of turns/minute between 6 and 10, and in the process of resetting the translation base, the rotating speed of the rotating table is any integer number of turns/minute between 8 and 12.

The sliding rail is characterized in that a rack is arranged on the sliding rail 1, a driving motor is arranged on the translation base 2, the driving motor is connected with a speed reducer, and a gear meshed with the rack is arranged on an output shaft of the speed reducer.

In this embodiment, the supporting shaft 303 is hollow, the protective tape coil 6 is arranged on the supporting shaft 303, a tray 304 is fixedly connected to the lower end of the supporting shaft 303, and a pressure plate 305 is slidably connected to the upper end of the supporting shaft 303;

a longitudinal pneumatic telescopic rod 306 is embedded in the supporting shaft 303 in a sleeved mode, a detachable plum blossom connecting piece 307 which is fixedly connected with the pressure plate 305 is arranged at the top end of the longitudinal cylinder, a sliding connecting flap 308 is arranged on the plum blossom connecting piece 307, and a sliding chute 309 which is used for sliding the sliding connecting flap 308 is formed in the circumferential direction of the upper half section of the supporting shaft 303;

the cutting groove 310 that cuts of a plurality of evenly distributed is seted up to the circumferential direction of half section under the back shaft 303, it supports cutting member 313 to cut sliding connection in groove 310, nested being equipped with in the back shaft 303 is used for the intercommunication cylinder, and can avoiding the annular gas circuit connector of vertical pneumatic telescopic link 306, the circumferential direction of annular gas circuit connector is equipped with a plurality ofly and supports cutting member 313 position corresponding, and with the horizontal pneumatic telescopic link 312 that supports cutting member 313 and be connected.

In this embodiment, the supporting cutting member 313 includes a fan-shaped supporting plate 315 and vertically arranged cutting blades 314 disposed at both sides of the lower surface of the fan-shaped supporting plate 315.

In this embodiment, the center of the protective tape coil 6 is provided with a supporting paper tube 601, the circumferential direction of the inner wall of the supporting paper tube 601 is provided with a plurality of uniformly distributed limiting grooves 602, and the circumferential direction of the outer side of the supporting shaft 303 is provided with a limiting strip 316 matched with the limiting grooves 602.

In this embodiment, a fixed gear is disposed on the winding frame 301, a rotating motor is disposed on the rotating platform 302, and a rotating gear engaged with the fixed gear is disposed on an output shaft of the rotating motor;

guiding mechanism 5 includes that two rotate the carousel of connection on the heating rack of winding frame 301 and heating mechanism 4 respectively, every all be equipped with the installing frame on the carousel, two be equipped with four installation poles between the installing frame, be equipped with the mounting panel on two adjacent installation poles, every all be equipped with two parallel arrangement and interval on the mounting panel and only allow the guide roll that the one deck protecting band passed. Specifically, guiding mechanism's carousel central authorities are equipped with the plastic tubing via hole, guiding mechanism's a carousel with the rotation platform is connected to the plastic tubing via hole intercommunication of the plastic tubing portion of dodging and carousel of messenger's rotation platform, rotatable the establishing in the heating frame of another carousel of guiding mechanism, guiding mechanism can follow the rotation platform and rotate together, the plastic tubing passes heating mechanism 4 again after passing the plastic tubing via hole of carousel on the heating frame, heating mechanism 4 heats the protecting band on the plastic tubing of weaving the completion, it is firm to make the protecting band combine with the plastic tubing, form compound plastic tubing, the drive mechanism who is located 4 next stations of heating mechanism then pulls the plastic tubing of accomplishing after the complex and gos forward.

A supporting shaft 303 adjusting plate is arranged on the rotating table 302, a servo motor is arranged on the supporting shaft 303 adjusting plate, a driving gear is arranged on an output shaft of the servo motor, the supporting shaft 303 is rotatably connected to the supporting shaft 303 adjusting plate, and a driven gear meshed with the driving gear is arranged at the lower end of the supporting shaft 303;

an adjusting cylinder is arranged on the adjusting plate of the supporting shaft 303, so that an included angle between the supporting shaft 303 and the rotating table 302 is adjustable.

In this embodiment, the inner side of the protective tape roll 6 is provided with an adhesive layer.

In this embodiment, the starting end and the terminating end of the tape roll 6 are both provided with a lapping groove 603, and a positioning column 604 and a positioning groove are respectively arranged in the lapping grooves 603 of the starting end and the terminating end.

Wherein, the plastic tubing dodges the position and is located the intermediate position of revolving stage, the back shaft encircles the plastic tubing dodges a circumference evenly distributed, and the plastic tubing dodges the portion for dodging the hole, should dodge the hole embedded have annular gas blowing device, and gas blowing nozzle of gas blowing device encircles gas blowing device and evenly sets up, through setting up gas blowing device, before plastic tubing and protecting band combine, blows off impurity such as the dust that probably exists on the plastic tubing, prevents that large granule material from influencing plastic tubing and protecting band combination effect.

In this embodiment, the support shaft is arranged on the rotating table in a swinging manner, so that an included angle between the support shaft and the rotating table is adjustable.

The protective belt is one or more of reinforced polypropylene plastic glass fiber belt, reinforced phenolic resin glass fiber belt, reinforced vinyl resin glass fiber belt and reinforced polyurethane glass fiber belt.

Example 2:

as shown in fig. 1 to 12 and 15 to 18, the fast tape changing and continuous producing tube knitting machine provided by the present invention is the same as the embodiment 1 except for the following technical features:

in this embodiment, the starting end and the terminating end of the protective tape roll 6 are both provided with a connecting groove 605, an articulated column 607 and an overlapping column 608 are arranged in the connecting groove 605, a connecting buckle 606 is arranged on the articulated column 607, the thickness of the connecting buckle 606 is equal to the height of the overlapping column 608 and is equal to half of the height of the articulated column 607, and the top end of the articulated column 607 is provided with a sealing head 609. When two different protective tape rolls 6 need to be connected, all the connecting buckles 606 are connected with the lap post 608 at the end of another protective tape roll 6, otherwise, all the connecting posts are connected with the lap post 608 on the protective tape roll 6 where the connecting posts are located.

A use method of a tube knitting machine capable of rapidly changing tapes and continuously producing comprises the following steps:

s1: before use, the transverse pneumatic telescopic rod 312 is extended, so that the fan-shaped supporting piece 315 can support the supporting paper tube 601 of the protective tape coil 6, then the quincuncial connecting piece 307 is detached, a plurality of protective tape coils 6 are arranged on all the supporting shafts 303, the quincuncial connecting piece 307 is arranged after the protective tape coil 6 is arranged, and the starting end of the protective tape at the lowest end of one or two supporting shafts 303 is fixed on the plastic tube;

s2: starting the rotating table 302 to rotate, and weaving the protective belt around the circumference of the plastic pipe to form a spiral protective belt outer layer on the woven plastic pipe;

s3, when the protective belt on the supporting shaft 303 is used up, controlling the rotating table 302 to stop rotating, starting the translation base 2, enabling the winding rack 301 on the translation base 2 to move along the base from the initial position at the same speed as the plastic pipe, and enabling the rotating table 302 and the plastic pipe to keep relatively static in the advancing direction of the plastic pipe;

s4: starting the transverse pneumatic telescopic rod 312 and the longitudinal pneumatic telescopic rod 306 to contract both the transverse pneumatic telescopic rod and the longitudinal pneumatic telescopic rod, so that the next protective tape coil 6 falls, the supporting paper tube 601 of the previous protective tape coil 6 moves to the position below the fan-shaped supporting sheet 315, then the transverse pneumatic telescopic rod 312 is reset, the cutting blade 314 cuts the supporting paper tube 601 of the previous protective tape coil 6 into a plurality of pieces, the pieces fall off along with the rotation of the rotating table 302, the starting end of the unused protective tape coil 6 is jointed with the tail end of the used protective tape coil 6 positioned on the braided tube, and the replacement of the protective tape coil on the supporting shaft is completed;

s5: starting the rotating platform 302 to continue rotating, simultaneously starting the translating base 2 to move in the direction opposite to the direction in the step S3 to return to the initial position, during which time the rotating speed of the rotating platform 302 is increased, and stopping the movement after the translating base 2 returns to the initial position, at which time the rotating speed of the rotating platform 302 returns to the normal speed.

S6: and repeating the steps S3 to S5 in sequence until the protective tape roll 6 is completely used up, and repeating the steps S1 to S5 until the tube knitting is completed.

When the protective belt is replaced, the part of the plastic pipe braided by the pipe braiding machine and the plastic pipe are kept relatively static, the belt is replaced, the plastic pipe production equipment and the traction equipment do not need to be stopped, and the belt is replaced in the movement process; meanwhile, the arrangement of the rapid tape changing device can accelerate the replacement of the protective tape coil 6, greatly improve the production efficiency and weave the woven pipe with any length.

The plastic pipe production equipment positioned at the adjacent previous station of the pipe knitting machine and the traction mechanism positioned at the adjacent next station do not need to be stopped when the belts are changed, so that the situation that the produced plastic pipe is bent or has caliber deviation at the connection part of stopping and starting due to repeated stopping and starting of the plastic pipe production equipment is avoided.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.

Claims (9)

1. The utility model provides a quick tape changing continuous production's pipelayer which characterized in that: the plastic pipe bending machine comprises a sliding rail and a translation base which is connected to the sliding rail in a sliding mode, wherein a winding mechanism and a heating mechanism are arranged on the translation base, the winding mechanism is used for winding a protective belt on a plastic pipe, and the heating mechanism is used for heating the joint of the protective belt and the plastic pipe so that the protective belt and the plastic pipe are bonded together to form a composite plastic pipe;

the winding mechanism comprises a winding rack arranged on the translation base, a rotating table is arranged on the winding rack, the rotating table is provided with a plastic pipe avoiding part, the plastic pipe penetrates through the plastic pipe avoiding part, the rotating direction of the rotating table is perpendicular to the advancing direction of the plastic pipe, and a supporting shaft for supporting a protective belt coil is arranged on the rotating table;

when the protective belt on the supporting shaft is used up, the rotating table stops rotating, the translation base is controlled to move along the sliding rail at the same speed as the plastic pipe, and the rotating table and the plastic pipe are kept relatively static in the advancing direction of the plastic pipe, so that the supporting shaft is convenient to replace a new protective belt coil;

when the translation base is static, the rotating speed of the rotating platform is 6 to 10 circles/minute; when the rotating table and the plastic pipe keep relatively static in the advancing direction of the plastic pipe, the supporting shaft is replaced by a new protective belt coil, and the rotating speed of the rotating table is 8-12 circles per minute in the resetting process of the translation base.

2. The machine of claim 1 for rapidly changing the tape for continuously producing the tube, wherein: the supporting shaft is arranged in a hollow mode, the lower end of the supporting shaft is fixedly connected with a tray, and the upper end of the supporting shaft is connected with a pressing plate in a sliding mode;

a longitudinal pneumatic telescopic rod is nested in the support shaft, a detachable plum blossom connecting sheet is arranged at the top end of the longitudinal cylinder and is fixedly connected with the pressure plate, a sliding connecting flap is arranged on the plum blossom connecting sheet, and a sliding chute for sliding the sliding connecting flap is formed in the circumferential direction of the upper half section of the support shaft;

the circumference direction of the second half section of back shaft has seted up a plurality of evenly distributed's cut groove that cuts, it supports the cutting piece to cut sliding connection in the groove, nested being equipped with in the back shaft is used for the intercommunication cylinder, and can avoiding vertical pneumatic telescopic handle's annular gas circuit connector, the circumference direction of annular gas circuit connector is equipped with a plurality ofly and supports the cutting piece position corresponding, and with support the horizontal pneumatic telescopic handle that the cutting piece is connected.

3. The tube knitting machine capable of rapidly changing the strip and continuously producing as claimed in claim 2, wherein: the supporting cutting piece comprises a fan-shaped supporting piece and cutting blades which are arranged on two sides of the lower surface of the fan-shaped supporting piece and are vertically arranged.

4. The machine of claim 3 for rapidly changing the tape for continuously producing the tube, wherein: the protective belt roll coil of strip is well provided with the support fiber container, support fiber container inner wall circumference direction and be equipped with a plurality of evenly distributed's spacing groove, back shaft outside circumference direction be equipped with spacing groove assorted spacing.

5. The machine of claim 1 for rapidly changing the tape for continuously producing the tube, wherein: a fixed gear is arranged on the winding rack, a rotating motor is arranged on the rotating platform, and a rotating gear meshed with the fixed gear is arranged on an output shaft of the rotating motor;

a guide mechanism is arranged between the winding mechanism and the heating mechanism, the guide mechanism comprises two turntables which are respectively and rotatably connected to a winding rack and a heating rack, each turntable is provided with an installation frame, four installation rods are arranged between the two installation frames, two adjacent installation rods are provided with installation plates, and each installation plate is provided with two guide rollers which are arranged in parallel and have an interval which only allows one layer of protective belt to pass through;

the utility model discloses a gear box, including revolving stage, back shaft regulating plate, servo motor, back shaft regulating plate, driving gear, back shaft rotation connection, the lower extreme of back shaft is equipped with the driven gear with driving gear engaged with on the revolving stage, the back shaft regulating plate is provided with servo motor, be equipped with the driving gear on servo motor's the output shaft, the back shaft rotates to be connected on the back shaft regulating plate, the lower extreme of back shaft is equipped with.

6. The machine of claim 4 for rapidly changing the tape and continuously producing the tape, wherein: the sliding rail is provided with a rack, the translation base is provided with a driving motor, the driving motor is connected with a speed reducer, and a gear meshed with the rack is arranged on an output shaft of the speed reducer.

7. The machine of claim 6, wherein the machine comprises: the initiating terminal of protective tape roll coil of strip all opens with the termination end has the overlap joint groove, and is provided with reference column and constant head tank in the overlap joint inslot of initiating terminal and termination end respectively.

8. The machine of claim 6, wherein the machine comprises: the starting end and the termination end of the protective belt coil of strip all opened the spread groove, be provided with articulated post and overlap joint post in the spread groove, be provided with the connector link on the articulated post, the thickness of connector link equals with the height of overlap joint post, and equalling in half of the articulated post height, articulated capital end is equipped with the head.

9. A use method of a tube knitting machine capable of rapidly changing tapes and continuously producing is characterized by comprising the following steps:

s1: before use, the transverse pneumatic telescopic rod is extended, so that the fan-shaped supporting sheet can support a supporting paper tube of a protective belt coil, then the quincuncial connecting sheet is detached, a plurality of protective belt coils are arranged on all supporting shafts, the quincuncial connecting sheet is arranged after the protective belt coils are arranged, and the starting end of the protective belt at the lowest end of one or two supporting shafts is fixed on a plastic tube;

s2: starting the rotating table to rotate, weaving the protective belt around the circumference of the plastic pipe, and forming a spiral protective belt outer layer on the woven plastic pipe;

s3, when the protective belt on the supporting shaft is used up, controlling the rotating table to stop rotating, starting the translation base, enabling the winding rack on the translation base to move along the base from the initial position at the same speed as the plastic pipe, and enabling the rotating table and the plastic pipe to keep relatively static in the advancing direction of the plastic pipe;

s4: starting the transverse pneumatic telescopic rod and the longitudinal pneumatic telescopic rod to enable the transverse pneumatic telescopic rod and the longitudinal pneumatic telescopic rod to both contract, so that the next protective belt coil falls, meanwhile, the supporting paper tube of the previous protective belt coil moves to the position below the fan-shaped supporting sheet, then, the transverse pneumatic telescopic rod is reset, the cutting blade cuts the supporting paper tube of the previous protective belt coil into a plurality of pieces, the supporting paper tube falls along with the rotation of the rotating table, and the starting end of the unused protective belt coil and the tail end of the used protective belt coil, which is positioned at the braided tube, are jointed;

s5: and starting the rotating platform to continue rotating, simultaneously starting the translation base to move in the direction opposite to the direction in the step S3 and reset to the initial position, wherein the rotating platform is raised in rotating speed, the translation base stops moving after being reset to the initial position, and the rotating platform is restored to the normal speed at the moment.

S6: and repeating the steps S3 to S5 in sequence until the protective tape roll is completely used up, and repeating the steps S1 to S5 until the tube weaving is completed.

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