CN113320131B - Tube braiding machine capable of rapidly replacing belt and application method thereof - Google Patents

Abstract

The invention relates to the technical field of composite plastic pipe production equipment, in particular to a pipe braiding machine capable of rapidly replacing a belt and a use method thereof. The tube braiding machine comprises a sliding rail and a translation base which is connected onto the sliding rail in a sliding way, 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 tube, and the heating mechanism is used for heating at the joint of the protective belt and the plastic tube, so that the protective belt and the plastic tube are bonded together to form a composite plastic tube; the winding mechanism comprises a winding frame arranged on the translation base, a rotating table is arranged on the winding frame, a plastic pipe avoiding part is arranged on the rotating table, a 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. The equipment does not need to be stopped during the use period, thereby saving time and providing working efficiency.

Description

Tube braiding machine capable of rapidly replacing belt and application method thereof

Technical Field

The invention relates to the technical field of composite plastic pipe production equipment, in particular to a pipe braiding machine capable of rapidly replacing a belt and a use method thereof.

Background

At present, a plurality of pipelines are required to be wound with corresponding protective layers on the outer sides of the pipelines before being used, the pipelines are generally woven through a pipe braiding machine, the pipelines are driven to advance by a traction device, the braiding machine is used for braiding the pipelines, but when protective tape rolls on the braiding machine are used up, the traction device is required to be stopped to enable the pipelines to stop moving, and after new protective tape rolls are replaced, the traction device is restarted to drive the pipelines to advance again. Therefore, it is time consuming to replace the new protective tape roll.

Therefore, it is necessary to provide a tube braiding machine which can replace the protective belt without stopping the traction device and can quickly replace the protective belt, thereby saving time and providing working efficiency.

Disclosure of Invention

Aiming at the defects, the invention provides a tube braiding machine capable of rapidly replacing a belt.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a can quick braiding machine of changing tape, includes the slide rail, sliding connection is on the translation base on the slide rail, be provided with winding mechanism and heating mechanism on the translation base, be provided with guiding mechanism between winding mechanism and the heating mechanism, winding mechanism is used for twining the protection tape on the plastic tubing, heating mechanism is used for heating in the junction of protection tape and plastic tubing, makes protection tape and plastic tubing bond together and forms composite plastic tubing, guiding mechanism is used for the direction of protection tape and avoids the protection tape to produce the fold;

the winding mechanism comprises a winding frame arranged on a translation base, a rotating table is arranged on the winding frame, a plastic pipe avoiding part is arranged on the rotating table, 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;

the sliding rail is provided with a rack, the translation base is provided with a driving motor, the driving motors are all connected with a speed reducer, and an output shaft of the speed reducer is provided with a gear meshed with the rack.

Further, the supporting shaft is arranged in a hollow mode, a protective belt coil is arranged on the supporting shaft, 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 pressure plate in a sliding mode;

the support shaft is internally nested with a longitudinal pneumatic telescopic rod, the top end of the longitudinal cylinder is provided with a detachable plum blossom connecting piece which is fixedly connected with the pressure plate, the plum blossom connecting piece is provided with a sliding connecting valve, and the circumferential direction of the upper half section of the support shaft is provided with a sliding chute for sliding the sliding connecting valve;

the circumferential direction of back shaft lower half has seted up a plurality of evenly distributed's cutting groove, sliding connection has the support cutting piece in the cutting groove, the nested annular gas circuit connector that is used for the intercommunication cylinder, and can avoid vertical pneumatic telescopic link that is equipped with in the back shaft, the circumferential direction of annular gas circuit connector is equipped with a plurality of and supports the cutting piece position corresponding, and with the horizontal pneumatic telescopic link that supports the cutting piece and be connected.

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

Further, the middle of the protective belt coil is provided with a supporting paper tube, a plurality of uniformly 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.

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

the guide mechanism comprises two turntables which are respectively connected to the winding rack and the heating rack in a rotating way, each turntable is provided with a mounting frame, four mounting rods are arranged between the two mounting frames, mounting plates are arranged on the two adjacent mounting rods, and each mounting plate is provided with two guide rollers which are arranged in parallel and allow only one layer of protective belt to pass through at intervals;

the rotary table is provided with a support shaft adjusting plate, the support shaft adjusting plate is 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;

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

Furthermore, the inner side surface of the protective belt coil is provided with an adhesive layer.

Furthermore, the starting end and the terminating end of the protective belt coil are provided with lap joint grooves, and the lap joint grooves of the starting end and the terminating end are respectively provided with a positioning column and a positioning groove.

Further, the starting end and the terminating end of the protection belt coil are both provided with connecting grooves, a hinge post and a lap joint post are arranged in the connecting grooves, connecting buckles are arranged on the hinge post, the thickness of the connecting buckles is equal to the height of the lap joint post and equal to half of the height of the hinge post, and a sealing head is arranged at the top end of the hinge post. When two different protective belt coils are required to be connected, all connecting buckles are connected with the lap joint posts at the tail end of the other protective belt coil, otherwise, all connecting posts are connected with the lap joint posts on the protective belt coil.

The application method of the tube braiding machine capable of rapidly replacing the belt comprises the following steps:

s1: before use, the transverse pneumatic telescopic rod is stretched, so that the fan-shaped supporting piece plays a role in supporting the supporting paper cylinder of the protective belt coil, then the plum blossom connecting piece is detached, a plurality of protective belt coils are arranged on all supporting shafts, the plum blossom connecting piece is arranged after the protective belt coil is arranged, and the starting end of the protective belt at the lowest end of one or two supporting shafts is fixed on the plastic pipe;

s2: starting the rotating table to rotate, braiding the protective belt around the circumference of the plastic pipe, and forming a spiral protective belt outer layer on the braided 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 frame on the translation base to move from an initial position along the base at the same speed as the plastic pipe, and enabling the rotating table and the plastic pipe to keep relative static in the advancing direction of the plastic pipe;

s4: starting a transverse pneumatic telescopic rod and a longitudinal pneumatic telescopic rod to enable the transverse pneumatic telescopic rod and the longitudinal pneumatic telescopic rod to retract, so that the next protective belt coil falls, simultaneously, a supporting paper tube of the last protective belt coil moves to the position below the fan-shaped supporting piece, then resetting the transverse pneumatic telescopic rod, cutting the supporting paper tube of the last protective belt coil into a plurality of pieces by a cutting blade, and enabling the supporting paper tube to fall along with the rotation of a rotating table, so that the starting end of the unused protective belt coil is jointed with the tail end of the used protective belt coil positioned in a braiding pipe;

s5: and (3) starting the rotating table to continue rotating, simultaneously starting the translation base to move and reset to the initial position along the opposite direction of the translation base in the step S3, lifting the rotating speed of the rotating table during the period, stopping moving after the translation base is reset to the initial position, and recovering the rotating speed of the rotating table to the normal speed.

S6: and (3) sequentially repeating the steps S3 to S5 until the coil of the protective belt is completely used up, and repeating the steps S1 to S5 until the braiding is completed.

The beneficial effects of the invention are as follows: when the protective belt reel is replaced by the tube braiding machine, after the protective belt on the supporting shaft is used up, the rotating table stops rotating, and the translation base is started to move along the sliding rail from the initial position at the same speed as the plastic tube, so that the rotating reel and the plastic tube are kept relatively static; the starting end of the protective belt coil of the unused protective belt coil on the supporting shaft is jointed with the end of the used protective belt coil at the plastic pipe, and the machine is not required to be stopped during 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 knitting machine according to the present invention;

FIG. 2 is a schematic front view of the tube knitting machine of the present invention;

FIG. 3 is a schematic cross-sectional view taken along the direction A-A in FIG. 2;

FIG. 4 is a schematic perspective view of the quick change device with the protective belt installed;

FIG. 5 is a schematic front view of the quick change device with the guard band installed;

FIG. 6 is a schematic cross-sectional view taken in the direction B-B of FIG. 5;

FIG. 7 is a schematic perspective view of a quick belt changer according to the present invention;

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

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

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

FIG. 11 is a schematic diagram of a guard band according to the present invention;

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

FIG. 13 is a schematic view of a roll of guard band in 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 guard band in 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 guard band in example 2 of the present invention;

FIG. 18 is a schematic top view of a roll of guard band in example 2 of the present invention.

Wherein, 1, slide rail, 2, translation base, 3, winding mechanism, 4, heating mechanism, 5, guiding mechanism, 6, protection belt coil, 301, winding frame, 302, rotating table, 303, supporting shaft, 304, tray, 305, pressure disk, 306, vertical pneumatic telescopic link, 307, plum blossom connection piece, 308, sliding connection flap, 309, chute, 310, cutting groove, 311, annular gas circuit connector, 312, horizontal pneumatic telescopic link, 313, supporting cutting piece, 314, cutting blade, 315, fan-shaped supporting piece, 316, limit bar, 601, supporting paper tube, 602, limit groove, 603, overlap joint groove, 604, reference column, 605, connecting groove, 606, connecting buckle, 607, hinge post, 608, overlap joint post, 609, head.

Detailed Description

In order to make the technical means, technical features, objects and technical effects of the present invention easy to understand, the present invention will be further described with reference to the specific drawings.

Example 1:

as shown in fig. 1-14, the tube braiding machine capable of rapidly replacing a band provided by the invention comprises a sliding rail 1 and a translation base 2 which is connected to the sliding rail 1 in a sliding way, wherein a winding mechanism 3 and a heating mechanism 4 are arranged on the translation base 2, a guide mechanism 5 is arranged between the winding mechanism 3 and the heating mechanism 4, the winding mechanism 3 is used for winding a protective band on a plastic tube, the heating mechanism 4 is used for heating at the joint of the protective band and the plastic tube, so that the protective band and the plastic tube are bonded together to form a composite plastic tube, and the guide mechanism 5 is used for guiding the protective band and preventing the protective band from generating wrinkles;

the winding mechanism 3 comprises a winding frame 301 arranged on the translation base 2, a rotating table 302 is arranged on the winding frame 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 is arranged on the rotating table 302;

the sliding rail 1 is provided with a rack, the translation base 2 is provided with driving motors, the driving motors are connected with a speed reducer, and an output shaft of the speed reducer is provided with a gear meshed with the rack;

when one of the protective tape on the support shaft 303 is used up, the rotating table is stopped to rotate, 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 support shaft can conveniently replace a new protective tape roll.

In this embodiment, the supporting shaft 303 is hollow, the supporting shaft 303 is provided with a protective tape coil 6, 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;

the supporting shaft 303 is internally nested with a longitudinal pneumatic telescopic rod 306, the top end of the longitudinal cylinder is provided with a detachable plum blossom connecting sheet 307 which is fixedly connected with the pressure plate 305, the plum blossom connecting sheet 307 is provided with a sliding connecting flap 308, and the circumferential direction of the upper half section of the supporting shaft 303 is provided with a sliding chute 309 for sliding the sliding connecting flap 308;

the circumferential direction of the lower half section of the supporting shaft 303 is provided with a plurality of evenly distributed cutting grooves 310, a supporting cutting member 313 is connected in a sliding manner in the cutting grooves 310, an annular gas path connector which is used for communicating with a gas cylinder and can avoid the longitudinal pneumatic telescopic rod 306 is nested in the supporting shaft 303, and a plurality of transverse pneumatic telescopic rods 312 which correspond to the supporting cutting member 313 in position and are connected with the supporting cutting member 313 are arranged in the circumferential direction of the annular gas path connector.

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

In this embodiment, a supporting paper tube 601 is disposed in the middle of the protective belt coil 6, a plurality of uniformly distributed limiting grooves 602 are disposed in the circumferential direction of the inner wall of the supporting paper tube 601, and limiting strips 316 matched with the limiting grooves 602 are disposed in the circumferential direction of the outer side of the supporting shaft 303.

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

the guiding mechanism 5 comprises two turntables which are respectively connected to the winding rack 301 and the heating rack in a rotating mode, each turntable is provided with a mounting frame, four mounting rods are arranged between the mounting frames, mounting plates are arranged on the two adjacent mounting rods, and each mounting plate is provided with two guiding rollers which are arranged in parallel and allow only one layer of protective belt to pass through at intervals. Specifically, the carousel center of guiding mechanism is equipped with the plastic tubing via hole, and guiding mechanism's carousel with the revolving stage is connected to make the plastic tubing dodging portion of revolving stage and the plastic tubing via hole intercommunication of carousel, and another carousel rotatable the setting of guiding mechanism is in the heating frame, and guiding mechanism can rotate along with the revolving stage, and the plastic tubing passes the plastic tubing via hole of revolving stage on the heating frame and passes heating mechanism 4 again, and heating mechanism 4 heats the protection belt on the plastic tubing that the weaving was accomplished, makes the protection belt combine firmly with the plastic tubing, forms compound plastic tubing, and the traction mechanism that is located the next station of heating mechanism 4 then pulls the plastic tubing after accomplishing the complex and advances.

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

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, an adhesive layer is disposed on the inner side of the protective tape roll 6.

In this embodiment, the start end and the end of the protective tape coil 6 are provided with a lap joint groove 603, and the lap joint grooves 603 of the start end and the end are respectively provided with a positioning column 604 and a positioning groove.

In this embodiment, the plastic tubing dodges the portion and is located the intermediate position of rotating the platform, the back shaft encircles plastic tubing dodges portion circumference evenly distributed, and the plastic tubing dodges the portion and dodges the hole for dodging, should dodge the hole and embedded have annular blowing device, and blowing device's blowing nozzle encircles the even setting of blowing device, through setting up blowing device, before plastic tubing and protection belt combine, blows off the impurity such as dust that probably exists on the plastic tubing, prevents that big particulate matter from influencing plastic tubing and protection belt bonding effect.

Example 2:

as shown in fig. 1 to 12 and 15 to 18, the tube braiding machine capable of rapidly replacing the belt provided by the invention has the following technical characteristics that the tube braiding machine is the same as that of the embodiment 1:

in this embodiment, the starting end and the terminating end of the protecting belt coil 6 are both provided with a connecting groove 605, a hinge post 607 and a lap post 608 are disposed in the connecting groove 605, a connecting buckle 606 is disposed on the hinge post 607, the thickness of the connecting buckle 606 is equal to the height of the lap post 608, and is equal to half of the height of the hinge post 607, and a sealing head 609 is disposed at the top end of the hinge post 607. When two different rolls 6 are required to be connected, all the connecting buckles 606 are connected with the lap posts 608 at the tail end of another roll 6, otherwise, all the connecting posts are connected with the lap posts 608 on the roll 6.

The application method of the tube braiding machine capable of rapidly replacing the belt comprises the following steps:

s1: before use, the transverse pneumatic telescopic rod 312 is stretched, so that the fan-shaped supporting piece 315 plays a role in supporting the supporting paper cylinder 601 of the protective belt coil 6, then the plum blossom connecting piece 307 is detached, a plurality of protective belt coils 6 are arranged on all the supporting shafts 303, the plum blossom connecting piece 307 is arranged after the protective belt coil 6 is arranged, and the starting ends of the protective belts at the bottommost ends of one or two supporting shafts 303 are fixed on a plastic pipe;

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

s3, when the protective belt on the supporting shaft 303 is used up, the rotating table 302 is controlled to stop rotating, the translation base 2 is started, the winding frame 301 on the translation base 2 moves from an initial position along the base at the same speed as the plastic pipe, and the rotating table 302 and the plastic pipe 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 enable the transverse pneumatic telescopic rod 312 and the longitudinal pneumatic telescopic rod 306 to be contracted, so that the next protective tape roll 6 falls, simultaneously the supporting paper cylinder 601 of the last protective tape roll 6 moves below the fan-shaped supporting plate 315, then resetting the transverse pneumatic telescopic rod 312, cutting the supporting paper cylinder 601 of the last protective tape roll 6 into a plurality of plates by the cutting blade 314, and enabling the starting end of the unused protective tape roll 6 to be jointed with the tail end of the used protective tape roll 6 positioned in the weaving pipe along with the rotation of the rotating table 302;

s5: and starting the rotating table 302 to continue rotating, simultaneously starting the translation base 2 to move and reset to the initial position along the opposite direction in the step S3, and lifting the rotating speed of the rotating table 302 during the period, stopping moving after the translation base 2 is reset to the initial position, and recovering the rotating speed of the rotating table 302 to the normal speed.

S6: and (3) sequentially repeating the steps S3 to S5 until the protective belt coil 6 is completely used up, and repeating the steps S1 to S5 until the braiding is completed.

When the protective belt is replaced, the part of the braiding machine for braiding the plastic pipe 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 replacement in the movement is completed; meanwhile, the quick tape changing device can accelerate the replacement of the protective tape coil 6, greatly improve the production efficiency and weave the woven tube with any length.

The plastic pipe production equipment positioned at the adjacent last station of the pipe braiding machine and the traction mechanism positioned at the adjacent next station do not need to stop when the belt is replaced, so that the phenomenon that the produced plastic pipe bends or the caliber deviation occurs at the joint part of stopping and starting up due to repeated stopping and starting up of the plastic pipe production equipment is avoided.

The foregoing is merely illustrative and explanatory of the invention, as it is well within the scope of the invention as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the invention as defined in the accompanying claims.

Claims (7)

1. Can quick band-changing plaiting machine, its characterized in that: the plastic pipe winding device comprises a sliding rail and a translation base which is connected onto the sliding rail in a sliding way, 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 at 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 frame arranged on a translation base, a rotating table is arranged on the winding frame, a plastic pipe avoiding part is arranged on the rotating table, 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;

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 an output shaft of the speed reducer is provided with a gear meshed with the rack;

the support shaft is arranged in a hollow mode, a protection belt coil is arranged on the support shaft, the lower end of the support shaft is fixedly connected with a tray, and the upper end of the support shaft is connected with a pressure plate in a sliding mode;

the support shaft is internally nested with a longitudinal pneumatic telescopic rod, the top end of the longitudinal cylinder is provided with a detachable plum blossom connecting piece which is fixedly connected with the pressure plate, the plum blossom connecting piece is provided with a sliding connecting valve, and the circumferential direction of the upper half section of the support shaft is provided with a sliding chute for sliding the sliding connecting valve;

a plurality of evenly distributed cutting grooves are formed in the circumferential direction of the lower half section of the supporting shaft, supporting cutting pieces are connected in the cutting grooves in a sliding manner, an annular gas circuit connector which is used for communicating with a cylinder and can avoid a longitudinal pneumatic telescopic rod is nested in the supporting shaft, and a plurality of transverse pneumatic telescopic rods which correspond to the supporting cutting pieces in position and are connected with the supporting cutting pieces are arranged in the circumferential direction of the annular gas circuit connector;

and the starting end and the terminating end of the protective belt coil are respectively provided with a lap joint groove, and the lap joint grooves of the starting end and the terminating end are respectively provided with a positioning column and a positioning groove.

2. A quick belt change tube knitting machine as claimed in claim 1 wherein: the support cutting piece comprises a fan-shaped support piece and cutting blades which are arranged on two sides of the lower surface of the fan-shaped support piece and are vertically arranged.

3. A quick belt change tube knitting machine as claimed in claim 2 wherein: the center of the protective belt coil is provided with a supporting paper tube, a plurality of uniformly 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.

4. A quick belt change tube knitting machine as claimed in claim 3 wherein: the winding machine frame is provided with a fixed gear, the rotating table is provided with a rotating motor, and an output shaft of the rotating motor is provided with a rotating gear meshed with the fixed gear;

a guide mechanism is arranged between the winding mechanism and the heating mechanism, the guide mechanism comprises two turntables which are respectively connected to the winding rack and the heating rack in a rotating way, each turntable is provided with a mounting frame, four mounting rods are arranged between the two mounting frames, mounting plates are arranged on the two adjacent mounting rods, and each mounting plate is provided with two guide rollers which are arranged in parallel and allow only one layer of protective belt to pass through at intervals;

the rotary table is provided with a support shaft adjusting plate, the support shaft adjusting plate is 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;

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

5. A quick belt change tube knitting machine as defined in claim 4 wherein: and an adhesive layer is arranged on the inner side surface of the protective belt coil.

6. The quick belt change tube knitting machine as claimed in claim 5, wherein: the utility model discloses a protection belt is characterized in that the starting end and the termination end of a protection belt coil are both opened with 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 equals the half of articulated post height, articulated post top is equipped with the head.

7. A method of using a tube braiding machine capable of rapid ribbon change, comprising the steps of:

s1: before use, the transverse pneumatic telescopic rod is stretched, so that the fan-shaped supporting piece plays a role in supporting the supporting paper cylinder of the protective belt coil, then the plum blossom connecting piece is detached, a plurality of protective belt coils are arranged on all supporting shafts, the plum blossom connecting piece is arranged after the protective belt coil is arranged, and the starting end of the protective belt at the lowest end of one or two supporting shafts is fixed on the plastic pipe;

s2: starting the rotating table to rotate, braiding the protective belt around the circumference of the plastic pipe, and forming a spiral protective belt outer layer on the braided 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 frame on the translation base to move from an initial position along the base at the same speed as the plastic pipe, and enabling the rotating table and the plastic pipe to keep relative static in the advancing direction of the plastic pipe;

s4: starting a transverse pneumatic telescopic rod and a longitudinal pneumatic telescopic rod to enable the transverse pneumatic telescopic rod and the longitudinal pneumatic telescopic rod to retract, so that the next protective belt coil falls, simultaneously, a supporting paper tube of the last protective belt coil moves to the position below the fan-shaped supporting piece, then resetting the transverse pneumatic telescopic rod, cutting the supporting paper tube of the last protective belt coil into a plurality of pieces by a cutting blade, and enabling the supporting paper tube to fall along with the rotation of a rotating table, so that the starting end of the unused protective belt coil is jointed with the tail end of the used protective belt coil positioned in a braiding pipe;

s5: starting the rotating table to continue rotating, simultaneously starting the translation base to move and reset to an initial position along the opposite direction of the translation base in the step S3, and lifting the rotating speed of the rotating table in the period of time, stopping moving after the translation base is reset to the initial position, and recovering the rotating speed of the rotating table to a normal speed at the moment;

s6: and (3) sequentially repeating the steps S3 to S5 until the coil of the protective belt is completely used up, and repeating the steps S1 to S5 until the braiding is completed.

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