CN113320132A - Composite plastic pipe production system and application method thereof - Google Patents
Composite plastic pipe production system and application method thereof Download PDFInfo
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- CN113320132A CN113320132A CN202010823008.3A CN202010823008A CN113320132A CN 113320132 A CN113320132 A CN 113320132A CN 202010823008 A CN202010823008 A CN 202010823008A CN 113320132 A CN113320132 A CN 113320132A
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- plastic pipe
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- composite plastic
- translation base
- composite
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- 239000004033 plastic Substances 0.000 title claims abstract description 210
- 229920003023 plastic Polymers 0.000 title claims abstract description 210
- 239000002131 composite material Substances 0.000 title claims abstract description 98
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 93
- 238000004804 winding Methods 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 238000009941 weaving Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000009940 knitting Methods 0.000 claims description 4
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 238000007664 blowing Methods 0.000 description 6
- 239000003365 glass fiber Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/78—Winding and joining, e.g. winding spirally helically using profiled sheets or strips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of composite plastic pipe production equipment, in particular to a composite plastic pipe production system. Comprises a control system, an extrusion mechanism, a winding mechanism, a heating mechanism, a traction mechanism and a slide rail which are arranged in sequence; the extruding mechanism is used for producing a plastic pipe, the winding mechanism is used for winding the protective belt on the 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 traction mechanism is used for drawing the composite plastic pipe to move forwards. The production system of the composite plastic pipe can realize that the protective belt is replaced without stopping the traction device and the plastic pipe production equipment, saves time, can continuously produce the composite plastic pipe, and realizes that the production length of the composite plastic pipe is not limited.
Description
Technical Field
The invention relates to the technical field of composite plastic pipe production equipment, in particular to a composite plastic pipe production system and a using method thereof.
Background
At present, before being used, a plurality of plastic pipes need to be wound with corresponding protective layers to form composite plastic pipes, and the composite plastic pipes often have special effects, such as compression resistance, corrosion resistance, high hardness and the like.
In the existing composite plastic pipe production system, after a plastic pipe is produced, a pipeline needs to be woven through a weaving machine, the plastic pipe is driven by a traction device to advance, the weaving machine weaves on the plastic pipe, but when a protective belt reel on the weaving machine is used up and a new reel is replaced, in order to ensure the weaving effect of the protective belt on the plastic pipe, the plastic pipe production equipment and the traction device need to be stopped simultaneously to stop the production and movement of the plastic pipe, and the plastic pipe is started again after the new reel is replaced, which can cause the following problems: on one hand, the plastic pipe production equipment and the traction device are continuously stopped and started, a large amount of time is wasted, and the production efficiency is reduced, on the other hand, the plastic pipe production equipment is repeatedly stopped and started, so that the produced plastic pipe is bent or has caliber deviation at the connection part of stopping and starting.
Or in order to ensure that the plastic pipe production equipment does not stop, the plastic pipe at the end of the plastic pipe production equipment needs to be cut off, the traction mechanism still needs to stop, and the traction device is restarted to drive the pipeline to advance again after a new belt reel is replaced. This causes the following problems: on one hand, the traction device is continuously stopped and started, a large amount of time is wasted, and the production efficiency is reduced; on the other hand, it is impossible to produce a composite plastic pipe of an unlimited length, and therefore, it is necessary to provide a production system capable of continuously producing a composite plastic pipe without stopping the traction apparatus and the plastic pipe production equipment.
Disclosure of Invention
In view of the above-mentioned shortcomings, the present invention provides a composite plastic pipe production system and a method for using the same.
The technical scheme adopted by the invention for solving the technical problems is as follows: a composite plastic pipe production system comprises an extrusion mechanism, a winding mechanism, a heating mechanism and a traction mechanism which are arranged in sequence; the extruding mechanism is used for producing a plastic pipe, the winding mechanism is used for winding the protective belt on the plastic pipe, the heating mechanism is used for heating the joint of the protective belt and the plastic pipe to enable the protective belt and the plastic pipe to be bonded together to form a composite plastic pipe, and the traction mechanism is used for drawing the composite plastic pipe to move forwards;
the winding mechanism comprises a first translation base and a winding rack arranged on the first translation base, the first translation base is configured to move along a sliding rail, a rotating table used for winding a protective belt on a plastic pipe is arranged on the winding rack, 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 used for supporting a belt reel of the protective belt is arranged on the rotating table;
the traction mechanism comprises a first traction module and a second traction module which are used for alternately drawing the composite plastic pipe and have the same structure, the first traction module and the second traction module respectively comprise a second translation base, a traction frame arranged on the second translation base and a traction ring arranged on the traction frame, the second translation base is configured to move along the slide rail, a plurality of traction cylinders are uniformly distributed in the circumferential direction of the traction ring, and the tail end of each traction cylinder is provided with an arc-shaped clamping piece used for clamping the composite plastic pipe;
when the protective belt on the supporting shaft is used up, controlling the rotating table to stop rotating, and controlling the first translation base to move along the slide rail at the same speed as the composite plastic pipe, so that the rotating table and the composite plastic pipe are kept relatively static in the advancing direction of the composite plastic pipe, and a new protective belt reel is replaced for the supporting shaft;
the two second translation bases enable the two traction racks to alternately move towards the advancing direction of the composite plastic pipe and reset, the traction cylinder on the traction racks is extended while the traction racks are controlled to move towards the advancing direction of the composite plastic pipe, so that the arc-shaped clamping pieces clamp the composite plastic pipe, and the traction cylinder on the traction racks is shortened while the traction racks reset, so that the arc-shaped clamping pieces loosen the composite plastic pipe.
Preferably, the slide rail is provided with a rack, the first translation base and the second translation base are both provided with driving motors, the driving motors are both connected with a speed reducer, and an output shaft of the speed reducer is provided with a gear meshed with the rack.
Preferably, the supporting shaft is driven by a servo motor and can be arranged on the rotating table in a swinging mode, so that an included angle between the supporting shaft and the rotating table can be adjusted, and the control system is configured to control the swinging angle of the supporting shaft.
Preferably, the plastic pipe avoiding part is provided with two end openings which are used for assisting the plastic pipe to advance.
Preferably, the device further comprises a control system, wherein the control system at least controls the motion states of the first translation base, the rotating table, the second translation base and the traction cylinder, when the protective belt on the supporting shaft is used up, the control system controls the rotating table to stop rotating and controls the first translation base to move along the slide rail at the same speed as the composite plastic pipe, so that the rotating table and the composite plastic pipe are kept relatively static in the advancing direction of the composite plastic pipe, and the supporting shaft is replaced with a new protective belt reel; the control system controls the two second translation bases to enable the two traction racks to alternately move towards the advancing direction of the composite plastic pipe and reset, and controls the traction racks to move towards the advancing direction of the composite plastic pipe and simultaneously enables the traction cylinders on the traction racks to extend, so that the arc-shaped clamping pieces clamp the composite plastic pipe, and enables the traction cylinders on the traction racks to shorten when the traction racks reset, so that the arc-shaped clamping pieces loosen the composite plastic pipe.
Preferably, the control system is a PLC controller.
Preferably, the weight sensor on the supporting shaft transmits a detected weight signal to the control system after the protective belt reel on the supporting shaft is used up, the control system controls the rotating table to stop rotating and controls the first translation base to move along the sliding rail at the same speed as the composite plastic pipe.
Preferably, the plastic pipe is a thermoplastic plastic pipe, and the protective belt is a glass fiber belt.
Preferably, one side of the protective belt, which is attached to the plastic pipe, is provided with an adhesive layer.
The invention also discloses a using method of the composite plastic pipe production system, which comprises the following steps:
s1: starting an extrusion mechanism to produce a plastic pipe, wherein the plastic pipe passes through a plastic pipe avoiding part of a rotating table and then is dragged by a traction mechanism, a protective belt disc provided with a protective belt is arranged on a supporting shaft, and the starting end of the protective belt on the supporting shaft is fixed on the plastic pipe;
s2, starting the traction device to pull the plastic pipe to advance, starting the rotating table 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 tape on the tape reel is used up, controlling the rotating table to stop rotating, starting the first translation base, enabling the winding rack on the first translation base to move along the slide rail from the initial position at the same speed as the plastic pipe to be compounded, and enabling the rotating table and the compound plastic pipe to keep relatively static in the advancing direction;
s4: detaching the used protective tape reel from the supporting shaft, replacing the supporting shaft with a new protective tape reel loaded with the protective tape, and jointing the initial end of the protective tape of the new protective tape reel with the protective tape of the used protective tape reel at the tail end of the plastic pipe;
s5: and starting the rotating platform to rotate continuously, simultaneously starting the first translation base to move in the direction opposite to the direction in the step S3 to reset to the initial position, and stopping the horizontal movement after the rack is reset to the initial position.
S6: steps S3 to S5 are repeated in sequence until the tube knitting is completed.
The invention has the beneficial effects that: in the production system of the composite plastic pipe, when the protective belt on the protective belt reel on the supporting shaft is used up and the protective belt reel is replaced, the rotating table stops rotating, the driving motor is started to drive the rack to move along the base from the initial position at the same speed as the composite plastic pipe, so that the rotating table and the composite plastic pipe are kept relatively static in the forward direction; the plastic pipe production equipment and the traction mechanism do not need to be stopped, after a new protective belt disc is replaced on the supporting shaft, the starting end of the new protective belt is jointed with the tail end of the used protective belt positioned on the braided pipe, the rotating table is started to continue rotating, and the driving device is started to enable the winding rack to reset along the base. The production system of the composite plastic pipe can realize that the protective belt is replaced without stopping the traction device and the plastic pipe production equipment, saves time, can continuously produce the composite plastic pipe, and realizes that the production length of the composite plastic pipe is not limited.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of the winding mechanism and heating mechanism of the present invention;
fig. 4 is a schematic view of the traction mechanism of the present invention.
The plastic pipe winding machine comprises an extrusion mechanism 1, an extrusion mechanism 2, a winding mechanism 3, a heating mechanism 4, a sliding rail 5, a traction mechanism 6, a plastic pipe 7, a driving motor 8, a speed reducer 201, a winding rack 202, a rotating table 203, a protective belt reel 204, a plastic pipe avoiding part 205, a first translation base 501, a first traction module 502, a second traction module 503, a second translation base 504, a traction rack 505, a traction ring 506, a traction cylinder 507 and an arc-shaped clamping sheet.
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.
As shown in fig. 1-4, the present invention provides a system for producing a composite plastic pipe, which comprises a control system, and an extrusion mechanism 1, a winding mechanism 2, a heating mechanism 3, and a traction mechanism 5, which are sequentially arranged; the winding mechanism 2 and the traction mechanism 5 are arranged on the sliding rail 4, the extrusion mechanism 1 is used for producing a plastic pipe 6, the winding mechanism 2 is used for winding a protective belt on the plastic pipe 6, the heating mechanism 3 is used for heating the joint of the protective belt and the plastic pipe 6 so as to enable the protective belt and the plastic pipe 6 to be bonded together to form a composite plastic pipe, and the traction mechanism 5 is used for drawing the composite plastic pipe to move forwards;
the winding mechanism 2 comprises a first translation base 205 and a winding rack 201 arranged on the first translation base 205, the first translation base 205 is configured to be movable along the slide rail 4, the first translation base 205 can be driven by a motor or an air cylinder, a rotating table 202 for winding the protective belt on the plastic pipe 6 is arranged on the winding rack 201, the rotating table is driven by a motor, the rotating table 202 is provided with a plastic pipe avoiding part 204, the plastic pipe 6 passes through the plastic pipe avoiding part 204, the rotating direction of the rotating table 202 is perpendicular to the advancing direction of the plastic pipe 6, and a support shaft for supporting a belt reel of the protective belt 203 is arranged on the rotating table 202;
the traction mechanism 5 comprises a first traction module 501 and a second traction module 502 which are used for alternately drawing the composite plastic pipe 6 and have the same structure, each of the first traction module 501 and the second traction module 502 comprises a second translation base 503, a traction frame 504 arranged on the second translation base 503, and a traction ring 505 arranged on the traction frame 504, the second translation base 503 is configured to be movable along the slide rail 4, a plurality of traction cylinders 506 are uniformly distributed in the circumferential direction of the traction ring 505, and the tail end of each traction cylinder 506 is provided with an arc-shaped clamping sheet 507 for clamping the composite plastic pipe 6;
the control system at least controls the motion states of the first translation base 205, the rotating table 202, the second translation base 503 and the traction cylinder 506, when the guard band on the supporting shaft is used up, the control system controls the rotating table 202 to stop rotating and controls the first translation base 205 to move along the slide rail, so that the winding rack on the first translation base 205 moves along the slide rail at the same speed as the composite plastic pipe, and the rotating table 202 and the composite plastic pipe 6 are kept relatively static in the advancing direction of the composite plastic pipe 6, so as to replace a new guard band tape reel 203 for the supporting shaft;
the control system controls the two traction machine frames 504 to alternately move towards the advancing direction of the composite plastic pipe 6 and reset, the traction air cylinders 506 on the traction machine frames 504 are extended while the traction machine frames 504 are controlled to move towards the advancing direction of the composite plastic pipe 6, so that the arc-shaped clamping sheets 507 clamp the composite plastic pipe 6, and the traction air cylinders 506 on the traction machine frames 504 are shortened while the traction machine frames 504 reset, so that the arc-shaped clamping sheets 507 loosen the composite plastic pipe 6.
Wherein the protective belt is one or more of a reinforced polypropylene plastic glass fiber belt, a reinforced phenolic resin glass fiber belt, a reinforced vinyl resin glass fiber belt, a reinforced polyurethane glass fiber belt or a common glass fiber belt. One, two, three or four types can be selected according to actual requirements.
The slide rail 4 is provided with a rack, the first translation base 205 and the second translation base 503 are both provided with driving motors 7, the driving motors 7 are both connected with a speed reducer 8, and an output shaft of the speed reducer 8 is provided with a gear meshed with the rack.
The supporting shaft is driven by a servo motor and can be arranged on the rotating table 202 in a swinging mode, so that an included angle between the supporting shaft and the rotating table 202 can be adjusted, and the control system is configured to control the swinging angle of the supporting shaft. Specifically, one end of the supporting shaft can be hinged to the rotating table, and a servo motor or an air cylinder is arranged near the hinged position of the supporting shaft to drive the supporting shaft to swing. After the used protective tape reel 203 is detached from the supporting shaft, a new protective tape reel 203 with the protective tape is replaced for the supporting shaft, the initial end of the protective tape of the new protective tape reel 203 is jointed with the tail end of the plastic pipe 6 where the protective tape of the used protective tape reel 203 is positioned, and in the process that the first translation base 205 and the winding rack 201 are reset to the initial position, the inclination angle of the supporting shaft is adjusted through a personal wear motor, so that the winding effect of the protective tape on the plastic pipe can be kept good and consistent, and the protective tape is prevented from being over-stretched or not tightly wound.
Wherein, the openings at the two ends of the plastic pipe avoiding part 204 are respectively provided with a transverse guide roller for assisting the plastic pipe 6 to advance.
The control system may include a plurality of PLC controllers or industrial computers, and one PLC controller or industrial computer controls the motion states of the first translation base 205, the rotating table 202, the second translation base 503, and the traction cylinder 506, or one translation base, one rotating table, one second translation base, and one traction cylinder may be controlled by one PLC controller or industrial computer.
Wherein, be equipped with weight sensor on the back shaft, work as the last guard band tape dish 203 of back shaft is used up, weight sensor gives control system with the weight signal transmission that detects, and control system control the revolving stage 202 stall, and control first translation base is followed with the same speed of compound plastic tubing the slide rail motion.
Wherein the plastic pipe 6 is a thermoplastic plastic pipe 6.
Wherein, the protective belt is provided with an adhesive layer on one surface attached to the plastic pipe 6.
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 of portion, and the plastic tubing dodges the portion for dodging the hole, should dodge the hole embedded have annular gas blowing device, and gas blowing device's blowing nozzle encircles gas blowing device and evenly sets up, for example sets up annular trachea, connects blowing nozzle and air-blower on the trachea. Through setting up gas blowing device, before plastic tubing and protecting band combine, blow off impurity such as dust that probably exists on the plastic tubing, prevent that large granule material from influencing plastic tubing and protecting band combination effect.
Preferably, a cooling mechanism is arranged between the extruding mechanism and the winding mechanism, and the plastic pipe produced immediately after the extruding mechanism and the winding mechanism are cooled moderately to prevent the plastic pipe from deforming.
The use method of the composite plastic pipe 6 production system comprises the following steps:
s1: the extrusion mechanism 1 is started by a control system to produce the plastic pipe 6, the plastic pipe 6 passes through a plastic pipe avoiding part 204 of the rotating table 202 and then is pulled by a traction mechanism 5, a protective belt reel 203 provided with a protective belt is arranged on a supporting shaft, and the starting end of the protective belt on the supporting shaft is fixed on the plastic pipe 6;
s2, starting the traction device to pull the plastic pipe 6 to advance through a control system, starting the rotating table 202 to rotate, weaving the protective belt around the circumference of the plastic pipe 6, and forming a spiral protective belt outer layer on the woven plastic pipe 6 to form a composite plastic pipe;
s3, when the protective tape on the tape reel 203 is used up, the control system controls the rotating table 202 to stop rotating and starts the first translation base to enable the winding rack on the first translation base to move along the slide rail from the initial position at the same speed as the composite plastic pipe, so that the rotating table 202 and the composite plastic pipe are kept relatively static in the advancing direction;
s4: detaching the used-up protective tape reel 203 from the support shaft, replacing the support shaft with a new protective tape reel 203 loaded with protective tape, and engaging the initial end of the protective tape of the new protective tape reel 203 with the protective tape of the used-up protective tape reel 203 at the end of the plastic tube 6;
s5: the control system starts the rotating table 202 to rotate continuously, and simultaneously starts the first translating base to move in the direction opposite to the direction in the step S3 to return to the initial position, and the winding frame stops moving horizontally after returning to the initial position.
S6: steps S3 to S5 are repeated in sequence until the tube knitting is completed.
The composite plastic pipe passes through a plastic pipe avoiding part of the rotating table and then passes through a traction ring of a first traction module and a second traction module of the traction mechanism, the first traction module clamps the composite plastic pipe for traction preparation, the second traction module does not clamp the composite plastic pipe, and when the first traction module 501 pulls the composite plastic pipe to advance, the second traction module 502 does not pull; when the first traction module 501 advances to the maximum distance, the second traction module 502 clamps the composite plastic pipe to traction the composite plastic pipe, the first traction module 501 releases the composite plastic pipe and does not perform traction any more, and the first traction module 501 retracts to the initial position from the maximum advancing position; after the first traction module 501 retracts to the initial position, the second traction module 502 loosens the composite plastic pipe, the composite plastic pipe is not pulled any more, the first traction module 501 clamps the composite plastic pipe at the initial position, the composite plastic pipe is pulled, and the second traction module 502 resets to the initial position.
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. A composite plastic pipe production system is characterized in that: comprises an extrusion mechanism, a winding mechanism, a heating mechanism and a traction mechanism which are arranged in sequence; the extruding mechanism is used for producing a plastic pipe, the winding mechanism is used for winding the protective belt on the plastic pipe, the heating mechanism is used for heating the joint of the protective belt and the plastic pipe to enable the protective belt and the plastic pipe to be bonded together to form a composite plastic pipe, and the traction mechanism is used for drawing the composite plastic pipe to move forwards;
the winding mechanism comprises a first translation base and a winding rack arranged on the first translation base, the first translation base is configured to move along a sliding rail, a rotating table used for winding a protective belt on a plastic pipe is arranged on the winding rack, 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 used for supporting a belt reel of the protective belt is arranged on the rotating table;
the traction mechanism comprises a first traction module and a second traction module which are used for alternately drawing the composite plastic pipe and have the same structure, the first traction module and the second traction module respectively comprise a second translation base, a traction frame arranged on the second translation base and a traction ring arranged on the traction frame, the second translation base is configured to move along the slide rail, a plurality of traction cylinders are uniformly distributed in the circumferential direction of the traction ring, and the tail end of each traction cylinder is provided with an arc-shaped clamping piece used for clamping the composite plastic pipe;
when the protective belt on the supporting shaft is used up, controlling the rotating table to stop rotating, and controlling the first translation base to move along the slide rail at the same speed as the composite plastic pipe, so that the rotating table and the composite plastic pipe are kept relatively static in the advancing direction of the composite plastic pipe, and a new protective belt reel is replaced for the supporting shaft;
the two second translation bases enable the two traction racks to alternately move towards the advancing direction of the composite plastic pipe and reset, the traction cylinder on the traction racks is extended while the traction racks are controlled to move towards the advancing direction of the composite plastic pipe, so that the arc-shaped clamping pieces clamp the composite plastic pipe, and the traction cylinder on the traction racks is shortened while the traction racks reset, so that the arc-shaped clamping pieces loosen the composite plastic pipe.
2. A composite plastic tube production system according to claim 1, wherein: the sliding rail is provided with a rack, the first translation base and the second translation base are both provided with driving motors, the driving motors are both connected with a speed reducer, and an output shaft of the speed reducer is provided with a gear meshed with the rack.
3. A composite plastic tube production system according to claim 1, wherein: the plastic tubing dodges the department both ends opening part and all is equipped with and is used for assisting the plastic tubing gos forward horizontal guide roll.
4. A composite plastic tube production system according to claim 1, wherein: the control system at least controls the motion states of the first translation base, the rotating table, the second translation base and the traction cylinder, and controls the rotating table to stop rotating and the first translation base to move along the slide rail at the same speed as the composite plastic pipe after the protective belt on the supporting shaft is used up, so that the rotating table and the composite plastic pipe are kept relatively static in the advancing direction of the composite plastic pipe, and a new protective belt reel is replaced for the supporting shaft; the control system controls the two second translation bases to enable the two traction racks to alternately move towards the advancing direction of the composite plastic pipe and reset, and controls the traction racks to move towards the advancing direction of the composite plastic pipe and simultaneously enables the traction cylinders on the traction racks to extend, so that the arc-shaped clamping pieces clamp the composite plastic pipe, and enables the traction cylinders on the traction racks to shorten when the traction racks reset, so that the arc-shaped clamping pieces loosen the composite plastic pipe.
5. A composite plastic tube production system according to claim 4, wherein: the control system is a PLC controller.
6. A composite plastic tube production system according to claim 1, wherein: be equipped with weight sensor on the back shaft, work as after the protection band tape dish used up on the back shaft, weight sensor transmits the weight signal who detects for control system, control system control the revolving stage stall, and control first translation base with the same speed of compound plastic tubing is followed the slide rail motion.
7. A composite plastic tube production system according to claim 1, wherein: the plastic pipe is a thermoplastic plastic pipe.
8. A composite plastic tube production system according to claim 1, wherein: and a bonding layer is arranged on one surface of the protective belt, which is attached to the plastic pipe.
9. Use of a composite plastic pipe production system according to any one of claims 1 to 7, comprising the steps of:
s1: starting an extrusion mechanism to produce a plastic pipe, wherein the plastic pipe passes through a plastic pipe avoiding part of a rotating table and then is dragged by a traction mechanism, a protective belt disc provided with a protective belt is arranged on a supporting shaft, and the starting end of the protective belt on the supporting shaft is fixed on the plastic pipe;
s2, starting the traction device to pull the plastic pipe to advance, starting the rotating table 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 tape on the tape reel is used up, controlling the rotating table to stop rotating, starting the first translation base, enabling the winding rack on the first translation base to move along the slide rail from the initial position at the same speed as the plastic pipe to be compounded, and enabling the rotating table and the compound plastic pipe to keep relatively static in the advancing direction;
s4: detaching the used protective tape reel from the supporting shaft, replacing the supporting shaft with a new protective tape reel loaded with the protective tape, and jointing the initial end of the protective tape of the new protective tape reel with the protective tape of the used protective tape reel at the tail end of the plastic pipe;
s5: and starting the rotating platform to rotate continuously, simultaneously starting the first translation base to move in the direction opposite to the direction in the step S3 to reset to the initial position, and stopping the horizontal movement after the rack is reset to the initial position.
S6: steps S3 to S5 are repeated in sequence until the tube knitting is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010823008.3A CN113320132A (en) | 2020-08-17 | 2020-08-17 | Composite plastic pipe production system and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN102225622A (en) * | 2011-05-26 | 2011-10-26 | 浙江伟星新型建材股份有限公司 | Production apparatus and extrusion technology of novel clad pipe |
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| CN206254454U (en) * | 2016-12-16 | 2017-06-16 | 山东宝泰隔热材料有限公司 | A kind of heat insulating strip production equipment |
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Application publication date: 20210831 |