CN113601824A - Automatic electric heating wire winding machine for electric heating pipe and wire winding method thereof - Google Patents

Automatic electric heating wire winding machine for electric heating pipe and wire winding method thereof Download PDF

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Publication number
CN113601824A
CN113601824A CN202110914862.5A CN202110914862A CN113601824A CN 113601824 A CN113601824 A CN 113601824A CN 202110914862 A CN202110914862 A CN 202110914862A CN 113601824 A CN113601824 A CN 113601824A
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CN
China
Prior art keywords
clamping
heating wire
electric heating
cylinder
driving
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Granted
Application number
CN202110914862.5A
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Chinese (zh)
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CN113601824B (en
Inventor
许凯俊
陈陆瑛
曹中基
翁天强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taizhou Shiwei Auto Parts Manufacturing Co ltd
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Taizhou Shiwei Auto Parts Manufacturing Co ltd
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Publication date
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Priority to CN202110914862.5A priority Critical patent/CN113601824B/en
Publication of CN113601824A publication Critical patent/CN113601824A/en
Application granted granted Critical
Publication of CN113601824B publication Critical patent/CN113601824B/en
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Classifications

    • 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
    • B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
    • B29C53/62—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels rotatable about the winding axis
    • B29C53/66—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels rotatable about the winding axis with axially movable winding feed member, e.g. lathe type winding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F11/00—Cutting wire
    • 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
    • B29C53/80—Component parts, details or accessories; Auxiliary operations
    • B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
    • B29C53/8016—Storing, feeding or applying winding materials, e.g. reels, thread guides, tensioners
    • 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
    • B29C53/82—Cores or mandrels
    • B29C53/821—Mandrels especially adapted for winding and joining
    • 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
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
    • B29C69/002—Winding
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/06—Heater elements structurally combined with coupling elements or holders
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention discloses an automatic electric heating wire winding machine for an electric heating pipe and a wire winding method thereof, which can automatically complete feeding, winding, bundling, cutting and blanking and realize automatic production, and the technical scheme is characterized by comprising the following steps: a frame; the plastic pipe feeding mechanism is used for automatically feeding the plastic pipes; the heating wire feeding mechanism is used for automatically feeding the heating wires; the clamping and rotating mechanism is used for clamping the plastic pipe and driving the plastic pipe to rotate; the clamping and traction mechanism is used for traction of the plastic pipe; the blanking transfer mechanism is used for blanking finished products; the electric heating wire feeding mechanism and the blanking transfer mechanism are both arranged on the rack and positioned between the clamping rotating mechanism and the clamping traction mechanism.

Description

Automatic electric heating wire winding machine for electric heating pipe and wire winding method thereof
Technical Field
The invention belongs to the technical field of wire winding equipment, and particularly relates to an automatic electric heating wire winding machine for an electric heating pipe.
Background
The SCR system for treating the tail gas of the engine comprises one or more urea pipe assemblies, and in order to ensure that the urea is not solidified in the urea pipe in a low-temperature environment, a group of heating wires are wound outside the urea pipe generally, and the urea is prevented from being solidified by adopting an electric heating mode.
The existing heating wire winding process has two processes of manual winding and urea tube rotation and manual winding, and has the defects of high labor intensity of operators, high skill requirement of the operators, low production efficiency, poor safety and the like.
Disclosure of Invention
The invention aims to provide an automatic electric heating wire winding machine for an electric heating pipe and a wire winding method thereof, which can automatically complete feeding, winding, bundling, cutting and blanking and realize automatic production.
The purpose of the invention is realized as follows: an automatic electric heating wire winding machine for an electric heating pipe, comprising:
a frame;
the plastic pipe feeding mechanism is used for automatically feeding the plastic pipes;
the heating wire feeding mechanism is used for automatically feeding the heating wires;
the clamping and rotating mechanism is used for clamping the plastic pipe and driving the plastic pipe to rotate;
the clamping and traction mechanism is used for traction of the plastic pipe;
the blanking transfer mechanism is used for blanking finished products;
the electric heating wire feeding mechanism and the blanking transfer mechanism are both arranged on the rack and positioned between the clamping rotating mechanism and the clamping traction mechanism.
Further: the plastic tubing feeding mechanism includes:
the active roller wheel is arranged on the front surface of the roller,
the driven roller and the driving roller form a conveying gap for the plastic pipe to pass through;
the first driving motor is used for driving the driving roller to rotate;
and the adjusting cylinder is used for adjusting the distance between the driven roller and the driving roller.
Further: the heating wire feeding mechanism comprises:
the feeding bracket is connected with the rack in a sliding manner;
the wire storage cylinder is arranged on the feeding bracket, and an electric heating wire is placed in the wire storage cylinder;
the guide assembly is arranged on the feeding bracket and used for guiding the electric heating wire;
the base is connected with the feeding bracket in a sliding manner;
the guide seat is connected with the base in a sliding manner;
the left-right translation driving unit is arranged on the rack and is used for driving the feeding bracket to translate left and right;
the front and back translation driving unit is arranged on the feeding bracket and is used for driving the base to translate front and back;
the up-down translation driving unit is arranged on the base and is used for driving the guide seat to move up and down;
wherein, the bottom of guide holder is equipped with the stand pipe, and the heating wire in the silk storage cylinder walks around the direction subassembly and wears to establish in the stand pipe.
Further: the clamping and rotating mechanism comprises:
the rotary seat is rotatably arranged on the rack and is provided with a conveying channel for the plastic pipe to pass through;
the first winding pin is arranged on the rotary seat and used for winding the electric heating wire;
the second driving motor is used for driving the rotation of the rotating seat;
the clamping rocker arm is arranged on the rotating seat and used for adjusting the size of the conveying channel;
controlling the cylinder;
wherein, be equipped with the mounting groove of radial and transfer passage intercommunication on the roating seat, press from both sides tight rocking arm and install in the mounting groove, press from both sides and realize pressing from both sides tightly through being equipped with taut spring between tight rocking arm and the roating seat, be equipped with the barb on the outside of pressing from both sides tight rocking arm, be equipped with the drag hook on the drive end of die clamping cylinder, control cylinder is used for the pulling to press from both sides tight rocking arm and makes and press from both sides tight rocking arm loose the plastic tubing.
Further: the clamping and pulling mechanism comprises:
the traction seat is horizontally connected with the rack in a sliding manner;
the traction driving unit is used for driving the traction seat to translate on the rack;
the clamping cylinder is used for clamping the plastic pipe;
the second winding pin is arranged on the clamping cylinder and used for winding the electric heating wire;
the locking cylinder is used for controlling the clamping cylinder to clamp or loosen the plastic pipe;
and the second driving motor is used for controlling the rotation of the clamping barrel.
Further: unloading is carried and is carried mechanism includes:
the clamping manipulator is used for grabbing the plastic pipe wound with the heating wire;
and the cross-shaped movable sliding table is used for driving the clamping manipulator to move up and down and move back and forth.
Further: the two groups of adhesive tape tightening mechanisms are respectively arranged on one side of the clamping and rotating mechanism and one side of the clamping and traction mechanism;
the sticky tape is tied up tightly and is constructed and include:
tightening a bracket, wherein the bracket comprises a working surface;
the adhesive tape roll is wound with an adhesive tape strip, the adhesive tape roll is arranged on the bracket, and the adhesive tape strip on the adhesive tape roll is positioned on the working surface;
the cutting knife is arranged on the bottom surface of the working surface and is used for cutting off the adhesive tape strip;
the clamping assembly comprises a clamping cylinder and a clamping rod, and the cylinder is used for driving the clamping rod to be close to the working surface or far away from the working surface;
the lifting assembly is used for driving the tightening bracket to lift;
the front and back translation assembly is used for driving the binding bracket to translate front and back;
and the left and right translation assembly is used for driving the left and right translation of the tightening bracket.
Further: the air shear assembly is arranged at the front end of the clamping and rotating mechanism and comprises an air shear, an air shear cylinder used for controlling the air shear to move, a front guide pipe and a rear guide pipe, a plastic pipe penetrates through the front guide pipe and the rear guide pipe, the air shear is arranged between the front guide pipe and the rear guide pipe, and the rear guide pipe is communicated with a conveying channel of the rotating seat.
Further: the clamping and cutting device also comprises a clamping component arranged on one side of the clamping and rotating mechanism and a clamping and cutting component arranged on one side of the clamping and pulling mechanism;
the clamping assembly and the clamping cutting-off assembly respectively comprise a clamping block and a clamping cylinder for driving the clamping block to clamp or loosen, and the clamping cutting-off assembly also comprises a cutter which is arranged on the clamping block and used for cutting off;
the frame is also provided with an auxiliary material claw arranged on one side of the clamping and rotating mechanism, and the auxiliary material claw comprises an air claw, a first pushing cylinder used for driving the air claw to move towards one side of the rotating seat and a second pushing cylinder used for driving the air claw to move towards one side of the clamping and traction mechanism.
A wire winding method for an electric heating pipe automatic winding electric heating wire machine comprises the following steps:
a first feeding stage:
the adjusting cylinder drives the driven roller principle driving roller, meanwhile, the second driving motor drives the rotating seat to rotate, so that the clamping rocker arm is opposite to the control cylinder, the control cylinder retracts, and the barb is pulled by the draw hook to move outwards along the radial direction of the rotating seat; a plastic pipe is manually and sequentially inserted into a conveying channel between the driving roller and the driven roller and between the air shear and the rotating seat;
then the adjusting cylinder is used for ejecting the plastic pipe so that the driven roller tightly presses the plastic pipe, the air shear cylinder drives the air shear to cut off the end head of the plastic pipe, and the end head of the plastic pipe is manually removed;
finishing feeding;
and (3) a filament winding stage:
the first driving motor drives the driving roller to rotate, the plastic pipe is conveyed into the conveying channel of the rotating seat, when the plastic pipe extends out of the output end of the conveying channel, a clamping cylinder on the clamping and traction mechanism clamps the end part of the plastic pipe, the clamping cylinder is driven by the traction driving unit to move to one side far away from the rotating seat, and traction is completed;
the cylinder is controlled to eject, the drag hook releases the clamping rocker arm, and the clamping rocker arm clamps the plastic pipe under the action of the tension of the tensioning spring;
the air shear cylinder drives the air shear to shear the plastic pipe;
the heating wire feeding mechanism drives the heating wire to move to the clamping assembly, and the end part of the heating wire is clamped by the clamping assembly; the heating wire feeding mechanism drives the heating wire to continuously drive the heating wire to be wound on the first winding pin; the clamping assembly loosens the end of the electric heating wire;
the heating wire feeding mechanism drives the heating wire to move axially along the plastic pipe, meanwhile, the second driving motor drives the rotating seat to rotate, and the third driving motor drives the clamping barrel to rotate synchronously, so that the heating wire is uniformly wound on the plastic pipe; after the electric heating wire is wound to a set distance, the electric heating wire feeding mechanism continues to drive the electric heating wire to be wound on the second winding pin;
the heating wire feeding mechanism continuously drives the heating wire to the clamping and cutting-off assembly, and the heating wire is cut off through the clamping and cutting-off assembly;
the adhesive tape tightener is used for adhering the adhesive tape strips outside the electric heating wires at the two ends of the plastic pipe, the plastic pipe continues to rotate, the adhesive tape strips are wound outside the electric heating wires, and the adhesive tape strips are automatically cut off;
the second driving motor and the third driving motor drive the plastic tube to rotate reversely, so that the heating wire can be separated from the first winding pin and the second winding pin;
the cylinder is controlled to retract, and the clamping rocker arm is pulled through the draw hook, so that the clamping rocker arm does not clamp the plastic pipe; meanwhile, the locking cylinder drives the clamping cylinder to loosen;
the cross-shaped moving sliding table drives the clamping mechanical arm to clamp the plastic pipe which is wound with the wire, and blanking is carried out;
the electric heating wire feeding mechanism and the clamping traction mechanism move to the initial position, and one-time wire winding is completed;
and then the wire winding stage is circulated, so that the automatic production is realized.
By adopting the technical scheme, the method has the following advantages:
the automatic feeding of the plastic pipe can be realized through the arrangement of the plastic pipe feeding mechanism;
the traction length of the plastic pipe can be controlled and the rotation can be controlled by arranging the clamping and rotating mechanism and the clamping and traction mechanism;
automatic wire winding can be realized by the matching use of the electric heating wire feeding mechanism;
because the adhesive tape is required to be bundled and fixed at the two ends of the urea tube assembly after the electric heating wire is wound, the electric heating wire can be prevented from loosening, the bundling and fixing of the urea tube assembly can be automatically completed through the arrangement of the adhesive tape bundling mechanism, the adhesive tape only needs to be fed once per roll, and other production processes are full-automatic production; the number of rotation turns of the adhesive tape can be set;
by the structure, automatic production of feeding, winding, bundling, cutting and blanking can be realized, and the production progress and the efficiency are high; and the length of the tube, the winding length of the tube, the pitch of the heating wire and the winding speed can be adjusted.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the structure at the clamping and rotating mechanism in the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 2 from another perspective according to the present invention;
FIG. 5 is a schematic structural view of a feeding mechanism for heating wire according to the present invention;
FIG. 6 is a schematic view of the construction of the clamping and pulling mechanism of the present invention;
FIG. 7 is a schematic view of the structure of FIG. 6 from another perspective according to the present invention;
fig. 8 is a schematic view showing the structure of the tape tightening mechanism of the present invention.
The reference numbers in the figures are: 10. a plastic pipe feeding mechanism; 11. a driving roller; 12. a driven roller; 13. a first drive motor; 14. an adjusting cylinder; 20. an electric heating wire feeding mechanism; 21. a feeding bracket; 22. a wire storage barrel; 23. a guide assembly; 24. a base; 25. a guide seat; 26. a forward and backward translation drive unit; 27. a vertical translation driving unit; 28. a guide tube; 30. a clamping and rotating mechanism; 31. a rotating base; 32. a first winding pin; 33. a second drive motor; 34. clamping the rocker arm; 35. controlling the cylinder; 36. tensioning the spring; 37. a barb; 38. pulling a hook; 40. clamping the traction mechanism; 41. a traction seat; 42. a clamping cylinder; 43. a second winding pin; 44. a locking cylinder; 45. a third drive motor; 46. an outer cylinder; 51. clamping the mechanical arm; 52. a cross-shaped moving sliding table; 60. a tape tightening mechanism; 61. tightening the bracket; 62. a working surface; 63. a cutting knife; 64. a clamping cylinder; 65. a clamping bar; 66. a lifting assembly; 67. a front-to-back translation assembly; 68. a left-right translation assembly; 69. a base plate; 70. air shearing; 71. a front conduit; 72. a rear duct; 73. a clamping assembly; 74. clamping the cutting assembly; 75. a cutter; 76. a pneumatic claw; 77. a first push cylinder; 78. and a second push cylinder.
Detailed Description
The invention is further described in the following with specific embodiments in conjunction with the accompanying drawings, see fig. 1-8:
an automatic electric heating wire machine that winds of electric heating pipe which characterized in that: the method comprises the following steps:
a frame;
the plastic pipe feeding mechanism 10 is used for automatically feeding plastic pipes;
the heating wire feeding mechanism 20 is used for automatically feeding the heating wires;
a clamping and rotating mechanism 30 for clamping the plastic pipe and for driving the plastic pipe to rotate;
a clamping and pulling mechanism 40 for pulling the plastic pipe;
the blanking transfer mechanism is used for blanking finished products;
the plastic pipe feeding mechanism 10, the clamping and rotating mechanism 30 and the clamping and traction mechanism 40 are sequentially arranged on the rack, and the heating wire feeding mechanism 20 and the discharging and transferring mechanism are both arranged on the rack and are positioned between the clamping and rotating mechanism 30 and the clamping and traction mechanism 40.
The plastic pipe feeding mechanism 10 includes:
the active roller 11 is provided with a plurality of active rollers,
a conveying gap for the plastic pipe to pass through is formed between the driven roller 12 and the driving roller 11;
a first driving motor 13 for driving the rotation of the driving roller 11;
and the adjusting cylinder 14 is used for adjusting the distance between the driven roller 12 and the driving roller 11.
The driven wheel and the driving wheel can be arranged in an up-down overlapped mode, and the adjusting air cylinder 14 is used for adjusting the lifting of the driven wheel, so that the distance between the driven wheel and the driving wheel is controlled, and the effect of controlling pressing or loosening can be achieved.
The heating wire feeding mechanism 20 includes:
the feeding support 21 is connected with the rack in a sliding manner;
the wire storage cylinder 22 is arranged on the feeding bracket 21, and the heating wires are placed in the wire storage cylinder 22;
a guide assembly 23 installed on the feeding bracket 21 for guiding the heating wire;
the base 24 is connected with the feeding bracket 21 in a sliding manner;
the guide seat 25 is connected with the base 24 in a sliding manner;
the left-right translation driving unit is arranged on the rack and is used for driving the feeding bracket 21 to translate left and right;
a forward-backward translation driving unit 26 mounted on the feeding bracket 21 and used for driving the forward-backward translation of the base 24;
a vertical translation driving unit 27 installed on the base 24 and driving the guide holder 25 to move up and down;
wherein, the bottom of the guide base 25 is provided with a guide tube 28, and the heating wire in the wire storage cylinder 22 bypasses the guide component 23 and is arranged in the guide tube 28 in a penetrating way.
The wire storage cylinder 22 and the guide pipe 28 can be two, so that the two heating wires can be synchronously wound; the front and rear translation driving unit 26 and the up and down translation driving unit 27 may be driving structures such as cylinders or electric cylinders, the left and right translation driving unit may drive the synchronization belt assembly, that is, the heating wire feeding assembly may realize all-directional motions such as up and down, left and right, and front and back, and the guiding assembly 23 may be a guiding wheel, and the like, for guiding the heating wires.
The clamping and rotating mechanism 30 includes:
the rotating seat 31, the rotating seat 31 can be installed on the framework rotatably, the rotating seat 31 is provided with a conveying channel for the plastic pipe to pass through;
a first winding pin 32 disposed on the rotary base 31 for winding the heating wire;
a second driving motor 33 for driving the rotation of the rotary base 31;
a clamping rocker arm 34, the clamping rocker arm 34 being disposed on the rotary base 31 and used for adjusting the size of the conveying passage;
a control cylinder 35;
wherein, the roating seat 31 is provided with a mounting groove which is communicated with the conveying channel in the radial direction, the clamping rocker arm 34 is mounted in the mounting groove, the clamping rocker arm 34 and the roating seat 31 are clamped through a tension spring 36, the outer side of the clamping rocker arm 34 is provided with a barb 37, the driving end of the clamping cylinder 64 is provided with a draw hook 38, and the control cylinder 35 is used for pulling the clamping rocker arm 34 to enable the clamping rocker arm 34 to loosen the plastic pipe.
The rotary seat 31 can be rotatably mounted on the frame through a bearing and other structures; the rotating seat 31 is further provided with positioning holes positioned at two sides of the mounting groove and positioning columns arranged corresponding to the positioning holes, the clamping rocker arm 34 is provided with positioning pins positioned in the positioning holes, two ends of the tensioning spring 36 are respectively fixed on the positioning columns and the positioning pins, and the clamping effect of the clamping rocker arm 34 can be realized through the tension of the tensioning spring 36; the clamping cylinder 64 is positioned at one side of the rotating base 31, as shown in the figure, the clamping cylinder 64 is positioned below the rotating base 31, when the clamping rocker arm 34 needs to be released, the second driving motor 33 drives the rotating base 31 to rotate, so that the clamping rocker arm 34 rotates to 6 o' clock direction, that is, the barb 37 on the clamping rocker arm 34 can be positioned in the draw hook 38, and then the clamping cylinder 64 retracts, so that the draw hook 38 pulls the clamping rocker arm 34 downwards, and the release of the clamping rocker arm 34 is realized; when the clamping cylinder 64 is in an extended state, the barb 37 is not in direct contact with the draw hook 38, the draw hook 38 does not influence the rotation of the barb 37, and the clamping seat can realize normal rotation.
The clamping and pulling mechanism 40 includes:
the traction seat 41 is horizontally connected with the rack in a sliding manner;
the traction driving unit is used for driving the traction seat 41 to translate on the rack;
a clamping cylinder 42 for clamping the plastic tube;
a second winding pin 43 provided on the cartridge 42 for winding the heating wire;
a locking cylinder 44 for controlling the clamping cylinder 42 to clamp or release the plastic pipe;
and a second driving motor 33 for controlling the rotation of the cartridge 42.
The specific structure of the clamping cylinder 42 is a cylindrical structure and can be rotatably installed on the traction seat 41, a plurality of ball holes are formed in the periphery of the clamping cylinder 42, balls are arranged in the ball holes, an outer cylinder 46 is further arranged outside the clamping cylinder 42, a guide groove corresponding to the balls is formed in the inner wall of the outer cylinder 46, the groove depth of the guide groove is gradually deepened, the outer cylinder 46 is fixed on the driving end of the locking cylinder 44, a return spring is further sleeved on the clamping cylinder 42, and two ends of the return spring are respectively abutted against the traction seat 41 and the outer cylinder 46; the clamping principle is that when the locking cylinder 44 retracts, the outer cylinder 46 moves towards one end of the return spring, at the moment, the ball moves outwards along the radial direction, the ball enters the guide groove, and the clamping cylinder 42 is loosened; when the locking cylinder 44 is extended to return, and under the action of the return spring, the outer cylinder 46 moves towards the other end, the balls are pushed into the ball holes again, and the balls can radially clamp the plastic pipe.
The traction driving unit can be a synchronous belt driving assembly, and can drive the traction seat 41 to translate on a Jiajia; the second winding pin 43 is fixed on the clamping cylinder 42, a notch groove for the movement of the second winding pin 43 needs to be arranged on the outer cylinder 46, after the heating wire is wound on the plastic tube, the heating wire feeding assembly winds the heating wire on the second winding pin 43, and then one-time winding is completed; the follow-up still needs the heating wire to decide, makes things convenient for the unloading.
Unloading is carried and is carried mechanism includes:
the clamping manipulator 51 is used for grabbing the plastic pipe wound with the heating wire, and the clamping manipulator 51 can also be a pneumatic clamping jaw;
and a cross moving sliding table 52 for driving the lifting movement and the back-and-forth movement of the clamping manipulator 51, wherein the cross moving sliding table 52 is installed at the top of the rack.
The automatic electric heating wire winding machine for the electric heating pipe further comprises two groups of adhesive tape tightening mechanisms 60, wherein the two groups of adhesive tape tightening mechanisms 60 are respectively arranged on one side of the clamping and rotating mechanism 30 and one side of the clamping and traction mechanism 40;
wherein the adhesive tape tightening mechanism 60 positioned at one side of the clamping and rotating mechanism 30 is arranged on the frame, and the adhesive tape tightening mechanism 60 positioned at one side of the clamping and traction mechanism 40 is arranged on the traction seat 41;
the tape binding mechanism 60 includes:
tightening the bracket 61, the bracket including a working surface 62;
an adhesive tape roll wound with an adhesive tape strip, wherein the adhesive tape roll is arranged on the bracket, and the adhesive tape strip on the adhesive tape roll is positioned on the working surface 62;
a cutting knife 63 arranged on the bottom surface of the working surface 62 and used for cutting the adhesive tape strip;
a clamping assembly comprising a clamping cylinder 64 and a clamping bar 65, the cylinder being adapted to drive the clamping bar 65 towards the working surface 62 or away from the working surface 62;
the lifting assembly 66 is used for driving the tightening bracket 61 to lift, the lifting assembly 66 comprises a lifting cylinder, a sliding seat and a bottom plate 69, taking the adhesive tape tightening mechanism 60 positioned on one side of the clamping and rotating mechanism 30 as an example, the sliding seat is connected with the bottom plate 69 in a sliding manner, a guide rod for the sliding seat to slide is arranged on the bottom plate 69, and the lifting cylinder is arranged on the rack and used for driving the sliding seat to lift; the tightening bracket 61 is horizontally connected with the sliding seat in a sliding manner, and a sliding rail and a sliding groove which are matched with each other are arranged between the sliding seat and the tightening bracket 61;
the front and rear translation assembly 67 is used for driving the binding support 61 to translate front and rear, the front and rear translation assembly 67 comprises a front and rear translation cylinder, a cylinder body of the front and rear translation cylinder can be fixed on the binding support 61, a driving end of the front and rear translation cylinder is fixed on the sliding seat, and the front and rear translation cylinder can drive the support to move horizontally when stretching and retracting;
and the left and right translation assembly 68 is used for driving the tightening bracket 61 to translate left and right, and the left and right translation assembly 68 comprises a left and right translation cylinder which is fixed on the rack and used for driving the base 24 to translate left and right.
The principle is as follows: the feeding process comprises the following steps:
firstly, the clamping cylinder 64 is controlled to eject, the clamping rod 65 moves towards one side far away from the working surface 62, the clamping rod 65 is in an open state, the adhesive tape is wound on a fixed roller on the bracket, the head of the adhesive tape strip is pulled out to penetrate through a gap between the clamping rod 65 and the working surface 62, and the adhesive tape is pulled down and hung on the tooth-shaped cutting knife 63;
the switch of the clamping cylinder 64 is controlled to be closed, the clamping cylinder 64 retracts, and the clamping rod 65 moves towards one side of the working surface 62 to clamp the adhesive tape;
automatic winding process:
when the tape is needed to be tightened after other actions of the electric heating pipe automatically winding the electric heating wire machine are completed, the program controls the automatic tape tightening mechanism 60 to complete the following actions:
ejecting out by a front and back translation cylinder to enable the tightening bracket 61 to be tightly attached to the side of the plastic pipe, and enabling the adhesive tape in front of the arc-shaped groove of the tightening bracket 61 to be adhered to the plastic pipe;
the clamping cylinder 64 is ejected out, the clamping rod 65 is opened, the urea pipe assembly is driven to rotate for one circle or more by automatically winding the electric heating wire machine, and the adhesive tape strip automatically winds the plastic pipe of the mountain-wound heating wire;
the front and back translation cylinders retreat, and the plastic pipe is separated from the arc-shaped groove of the bracket;
the lifting cylinder drives the tightening bracket 61 assembly to ascend, so that the working surface 62 is positioned above the urea pipe assembly in an inclined mode; the clamping cylinder 64 drives the clamping bar 65 to clamp the adhesive tape strip; the translation cylinder drives the rack to continuously move towards one side of the urea pipe assembly, the adhesive tape strip is pulled to touch the tooth-shaped cutting knife 63, and the tooth-shaped cutting knife 63 can naturally cut off the adhesive tape strip;
the translation cylinder drives the tightening support 61 to return, the lifting cylinder returns, the tightening support 61 is driven to descend to the initial position, and one action cycle is completed.
The machine frame is also provided with an air shear 70 assembly positioned at the front end of the clamping and rotating mechanism 30, the air shear 70 assembly comprises an air shear 70, an air shear 70 cylinder used for controlling the movement of the air shear 70, a front guide pipe 71 and a rear guide pipe 72 for plastic pipes to pass through, the air shear 70 is positioned between the front guide pipe 71 and the rear guide pipe 72, and the rear guide pipe 72 is communicated with a conveying channel of the rotating seat 31.
A front duct 71 and a rear duct 72 are provided on the frame for guiding the plastic tubes, and an air shear 70 is provided for cutting the plastic tubes.
The clamping and cutting device further comprises a clamping component 73 arranged on one side of the clamping and rotating mechanism 30 and a clamping and cutting component 74 arranged on one side of the clamping and pulling mechanism 40;
the clamping assembly 73 and the clamping cutting-off assembly 74 both comprise a clamping block and a clamping cylinder for driving the clamping block to clamp or loosen, and the clamping cutting-off assembly 74 further comprises a cutter 75 which is arranged on the clamping block and used for cutting off;
a clamping assembly 73 disposed at one side of the clamping and rotating mechanism 30 for clamping the heating wire, so that the heating wire is conveniently wound on the first winding pin 32; the clamping and cutting assembly 74 provided at one side of the clamping and pulling mechanism 40 serves mainly to cut off the heating wire.
The frame is also provided with an auxiliary material claw arranged on one side of the clamping and rotating mechanism 30, and the auxiliary material claw comprises an air claw 76, a first pushing air cylinder 77 for driving the air claw 76 to move towards one side of the rotating seat 31 and a second pushing air cylinder for driving the air claw 76 to move towards one side of the clamping and traction mechanism 40. 78.
The auxiliary material claw is used for clamping the plastic pipe through the auxiliary material claw when the electric heating wire is wound on the plastic pipe and blanking is carried out, the plastic pipe is pulled out from the rotating seat 31, and blanking is facilitated.
A wire winding method of an electric heating pipe automatic winding electric heating wire machine is characterized in that: the method comprises the following steps:
a first feeding stage:
the adjusting cylinder 14 drives the driven roller 12 and the driving roller 11, meanwhile, the second driving motor 33 drives the rotating base 31 to rotate, so that the clamping rocker arm 34 is opposite to the control cylinder 35, the control cylinder 35 retracts, and the barb 37 is pulled through the draw hook 38, so that the clamping rocker arm 34 moves outwards along the radial direction of the rotating base 31; the plastic pipe is manually and sequentially inserted into the conveying channels between the driving roller 11 and the driven roller 12, the air shear 70 and the rotating seat 31;
then the adjusting cylinder 14 is ejected out to enable the driven roller 12 to tightly press the plastic pipe, the air shear 70 drives the air shear 70 to cut off the end head of the plastic pipe, and the end head of the plastic pipe is manually removed; the end of each roll of plastic pipe is removed, so that the quality can be ensured;
finishing feeding; each roll of plastic pipe only needs to be fed once;
and (3) a filament winding stage:
the first driving motor 13 drives the driving roller 11 to rotate, so that the plastic pipe is conveyed into the conveying channel of the rotating seat 31, when the plastic pipe extends out of the output end of the conveying channel, the clamping cylinder 42 on the clamping and pulling mechanism 40 clamps the end part of the plastic pipe, and the clamping cylinder 42 is driven by the pulling driving unit to move to one side far away from the rotating seat 31, so that the pulling is completed;
the control cylinder 35 is used for ejecting, the draw hook 38 releases the clamping rocker arm 34, and the clamping rocker arm 34 clamps the plastic pipe under the action of the tension spring 36;
the air shear 70 cylinder drives the air shear 70 to shear the plastic pipe;
the heating wire feeding mechanism 20 drives the heating wire to move to the clamping assembly 73, and the end part of the heating wire is clamped by the clamping assembly 73; the heating wire feeding mechanism 20 drives the heating wire to continue to drive the heating wire to be wound on the first winding pin 32; the clamping assembly 73 loosens the ends of the electrical heating wires;
the heating wire feeding mechanism 20 drives the heating wire to move axially along the plastic pipe, meanwhile, the second driving motor 33 drives the rotating seat 31 to rotate, and the third driving motor 45 drives the clamping barrel 42 to synchronously rotate, so that the heating wire is uniformly wound on the plastic pipe; after the heating wire is wound to a set distance, the heating wire feeding mechanism 20 continues to drive the heating wire to be wound on the second winding pin 43;
the heating wire feeding mechanism 20 continues to drive the heating wire to the clamping and cutting assembly 74, and the heating wire is cut off by the clamping and cutting assembly 74;
the adhesive tape binding device bonds the adhesive tape strips outside the electric heating wires at the two ends of the plastic pipe, the plastic pipe continuously rotates for one to three circles, so that the adhesive tape strips are wound outside the electric heating wires, and the adhesive tape strips are automatically cut off;
the second and third driving motors 33 and 45 drive the plastic tube to rotate reversely for one to three turns, so that the heating wire can be released from the first and second winding pins 32 and 43;
the control cylinder 35 retracts to pull the clamping rocker arm 34 through the draw hook 38, so that the clamping rocker arm 34 does not clamp the plastic pipe; meanwhile, the locking cylinder 44 drives the clamping cylinder 42 to be loosened;
the cross-shaped moving sliding table 52 drives the clamping manipulator 51 to clamp the plastic pipe which is wound with wires, so as to carry out blanking;
the heating wire feeding mechanism 20 and the clamping traction mechanism 40 move to the initial position, and one-time wire winding is completed;
and then the wire winding stage is circulated, so that the automatic production is realized.
According to the method, each roll of the plastic pipe and the electric heating wire only needs to be fed once manually, and other production processes are full-automatic production;
the length of the tube, the winding length of the tube, the pitch of the electric heating wire and the winding speed can be set, and the automation degree is high.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (10)

1. An automatic electric heating wire machine that winds of electric heating pipe which characterized in that: the method comprises the following steps:
a frame;
the plastic pipe feeding mechanism (10) is used for automatically feeding plastic pipes;
the heating wire feeding mechanism (20) is used for automatically feeding the heating wires;
a clamping and rotating mechanism (30) for clamping the plastic tube and for driving the plastic tube to rotate;
a clamping and pulling mechanism (40) for pulling the plastic pipe;
the blanking transfer mechanism is used for blanking finished products;
the electric heating wire feeding mechanism (20) and the blanking transfer mechanism are both arranged on the rack and are positioned between the clamping rotating mechanism (30) and the clamping traction mechanism (40).
2. An automatic electric heating wire winding machine for an electric heating pipe according to claim 1, characterized in that: the plastic pipe feeding mechanism (10) comprises:
a driving roller (11),
a conveying gap for the plastic pipe to pass through is formed between the driven roller (12) and the driving roller (11);
a first driving motor (13) for driving the driving roller (11) to rotate;
and the adjusting cylinder (14) is used for adjusting the distance between the driven roller (12) and the driving roller (11).
3. An automatic electric heating wire winding machine for an electric heating pipe according to claim 1, characterized in that: the heating wire feeding mechanism (20) comprises:
the feeding support (21), the feeding support (21) is connected with the frame in a sliding way;
the wire storage barrel (22), the wire storage barrel (22) is arranged on the feeding bracket (21), and the heating wire is placed in the wire storage barrel (22);
the guide assembly (23) is arranged on the feeding bracket (21) and is used for guiding the electric heating wires;
the base (24), the base (24) and the feeding support (21) are connected in a sliding manner;
the guide seat (25), the guide seat (25) is connected with the base (24) in a sliding way;
the left-right translation driving unit is arranged on the rack and is used for driving the feeding bracket (21) to translate left and right;
the front-back translation driving unit (26) is arranged on the feeding bracket (21) and is used for driving the base (24) to translate front and back;
a vertical translation driving unit (27) which is arranged on the base (24) and is used for driving the guide seat (25) to move up and down;
wherein, the bottom of the guide seat (25) is provided with a guide pipe (28), and the electric heating wire in the wire storage cylinder (22) bypasses the guide component (23) and is arranged in the guide pipe in a penetrating way.
4. An automatic electric heating wire winding machine for an electric heating pipe according to claim 1, characterized in that: the clamping and rotating mechanism (30) comprises:
the rotary seat (31), the rotary seat (31) is rotatably mounted on the frame, the rotary seat (31) is provided with a conveying channel for the plastic pipe to pass through;
a first winding pin (32) arranged on the rotary seat (31) and used for winding the electric heating wire;
a second drive motor (33) for driving the rotation of the rotary base (31);
the clamping rocker arm (34), the clamping rocker arm (34) is arranged on the rotary seat (31) and is used for adjusting the size of the conveying channel;
a control cylinder (35);
wherein, be equipped with the mounting groove of radial and transfer passage intercommunication on roating seat (31), press from both sides tight rocking arm (34) and install in the mounting groove, press from both sides between tight rocking arm (34) and roating seat (31) and realize pressing from both sides tightly through being equipped with straining spring (36), be equipped with barb (37) on the outside of pressing from both sides tight rocking arm (34), be equipped with drag hook (38) on the drive end of die clamping cylinder (64), control cylinder (35) are used for pulling and press from both sides tight rocking arm (34) and make and press from both sides tight rocking arm (34) and loosen the plastic tubing.
5. An automatic electric heating wire winding machine for an electric heating pipe according to claim 1, characterized in that: the clamping and pulling mechanism (40) comprises:
the traction seat (41), the traction seat (41) is horizontally connected with the frame in a sliding manner;
the traction driving unit is used for driving the traction seat (41) to translate on the rack;
a clamping cylinder (42) for clamping the plastic tube;
a second winding pin (43) disposed on the clamping cylinder (42) for winding the heating wire;
the locking air cylinder (44) is used for controlling the clamping cylinder (42) to clamp or loosen the plastic pipe;
and a second drive motor (33) for controlling the rotation of the cartridge (42).
6. An automatic electric heating wire winding machine for an electric heating pipe according to claim 1, characterized in that: unloading is carried and is carried mechanism includes:
a clamping robot (51) for gripping the plastic tube around which the heating wire has been wound;
and the cross-shaped moving sliding table (52) is used for driving the lifting movement and the back-and-forth movement of the clamping manipulator (51).
7. An automatic electric heating wire winding machine for an electric heating pipe according to claim 1, characterized in that: the clamping and pulling mechanism further comprises two groups of adhesive tape tightening mechanisms (60), wherein the two groups of adhesive tape tightening mechanisms (60) are respectively arranged on one side of the clamping and rotating mechanism (30) and one side of the clamping and pulling mechanism (40);
the tape tightening mechanism (60) includes:
tightening a bracket (61) comprising a working surface (62);
the adhesive tape roll is wound with an adhesive tape strip, the adhesive tape roll is arranged on the bracket, and the adhesive tape strip on the adhesive tape roll is positioned on the working surface (62);
the cutting knife (63) is arranged on the bottom surface of the working surface (62) and is used for cutting the adhesive tape strip;
the clamping assembly comprises a clamping cylinder (64) and a clamping rod (65), and the cylinder is used for driving the clamping rod (65) to be close to the working surface (62) or far away from the working surface (62);
the lifting assembly (66) is used for driving the fastening bracket (61) to lift;
a front-back translation assembly (67) for driving the front-back translation of the tightening bracket (61);
and the left-right translation assembly (68) is used for driving the tightening bracket (61) to translate left and right.
8. An automatic electric heating wire winding machine for an electric heating pipe according to claim 1, characterized in that: the air shear assembly is characterized in that an air shear (70) assembly located at the front end of the clamping and rotating mechanism (30) is further arranged on the rack, the air shear (70) assembly comprises an air shear (70), an air shear (70) cylinder used for controlling the air shear (70) to move, a front guide pipe (71) and a rear guide pipe (72) for a plastic pipe to pass through, the air shear (70) is located between the front guide pipe (71) and the rear guide pipe (72), and the rear guide pipe (72) is communicated with a conveying channel of the rotating seat (31).
9. An automatic electric heating wire winding machine for an electric heating pipe according to claim 1, characterized in that: the clamping and cutting device also comprises a clamping component (73) arranged on one side of the clamping and rotating mechanism (30) and a clamping and cutting component (74) arranged on one side of the clamping and pulling mechanism (40);
the clamping assembly (73) and the clamping cutting assembly (74) both comprise a clamping block and a clamping cylinder for driving the clamping block to clamp or loosen, and the clamping cutting assembly (74) further comprises a cutter (75) arranged on the clamping block and used for cutting;
the rack is also provided with an auxiliary material claw arranged on one side of the clamping and rotating mechanism (30), and the auxiliary material claw comprises an air claw (76), a first pushing air cylinder (77) used for driving the air claw (76) to move towards one side of the rotating seat (31) and a second pushing air cylinder (78) used for driving the air claw (76) to move towards one side of the clamping and pulling mechanism (40).
10. A wire winding method adapted for an automatic electric heating wire winding machine of an electric heating pipe according to any one of claims 1 to 9, characterized by: the method comprises the following steps:
a first feeding stage:
the adjusting cylinder (14) drives the driven roller (12) to drive the driving roller (11) on the principle, meanwhile, the second driving motor (33) drives the rotating seat (31) to rotate, so that the clamping rocker arm (34) is opposite to the control cylinder (35), the control cylinder (35) retracts, and the hook (38) pulls the barb (37) to enable the clamping rocker arm (34) to move outwards along the radial direction of the rotating seat (31); the plastic pipe is manually and sequentially inserted into a conveying channel between the driving roller (11) and the driven roller (12), and the conveying channel between the air shear (70) and the rotating seat (31);
then the adjusting cylinder (14) is ejected out to enable the driven roller (12) to tightly press the plastic pipe, the air shear (70) drives the air shear (70) to cut off the end head of the plastic pipe, and the end head of the plastic pipe is manually removed;
finishing feeding;
and (3) a filament winding stage:
the first driving motor (13) drives the driving roller (11) to rotate, the plastic pipe is conveyed into the conveying channel of the rotating seat (31), when the plastic pipe extends out of the output end of the conveying channel, a clamping cylinder (42) on the clamping and pulling mechanism (40) clamps the end part of the plastic pipe, the clamping cylinder (42) is driven by the traction driving unit to move to one side far away from the rotating seat (31), and the traction is completed;
the control cylinder (35) is ejected out, the draw hook (38) releases the clamping rocker arm (34), and the clamping rocker arm (34) clamps the plastic pipe under the action of the tension spring (36);
the air shear (70) cylinder drives the air shear (70) to shear the plastic pipe;
the heating wire feeding mechanism (20) drives the heating wire to move to the clamping component (73), and the end part of the heating wire is clamped by the clamping component (73); the heating wire feeding mechanism (20) drives the heating wire to continuously drive the heating wire to wind on the first winding pin; the clamping assembly (73) loosens the ends of the electric heating wires;
the heating wire feeding mechanism (20) drives the heating wire to move axially along the plastic pipe, meanwhile, the second driving motor (33) drives the rotating seat (31) to rotate, and the third driving motor (45) drives the clamping barrel (42) to rotate synchronously, so that the heating wire is uniformly wound on the plastic pipe; after the heating wire is wound to a set distance, the heating wire feeding mechanism (20) continues to drive the heating wire to be wound on the second winding pin;
the heating wire feeding mechanism (20) continuously drives the heating wire to the clamping and cutting-off component (74), and the heating wire is cut off through the clamping and cutting-off component (74);
the adhesive tape tightener is used for adhering the adhesive tape strips outside the electric heating wires at the two ends of the plastic pipe, the plastic pipe continues to rotate, the adhesive tape strips are wound outside the electric heating wires, and the adhesive tape strips are automatically cut off;
the second driving motor (33) and the third driving motor (45) drive the plastic tube to rotate reversely, so that the heating wire can be separated from the first winding pin and the second winding pin;
the control cylinder (35) retracts, and the clamping rocker arm (34) is pulled through the draw hook (38), so that the clamping rocker arm (34) does not clamp the plastic pipe; meanwhile, the locking cylinder (44) drives the clamping cylinder (42) to be loosened;
the cross-shaped moving sliding table (52) drives a clamping manipulator (51) to clamp the plastic pipe which is wound with wires, so as to carry out blanking;
the electric heating wire feeding mechanism (20) and the clamping traction mechanism (40) move to the initial position, and one-time wire winding is completed;
and then the wire winding stage is circulated, so that the automatic production is realized.
CN202110914862.5A 2021-08-10 2021-08-10 Automatic electric heating wire winding machine for electric heating pipe and wire winding method thereof Active CN113601824B (en)

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CN114394470A (en) * 2022-01-27 2022-04-26 奥美医疗用品股份有限公司 Chemical fiber medical tape online winding hot cutting automation equipment and use method
CN115385187A (en) * 2022-09-01 2022-11-25 湖北晨升汽车零部件科技有限公司 Heating pipe integrated into one piece equipment
CN115499955A (en) * 2022-09-14 2022-12-20 江苏通亚电热科技有限公司 Energy-saving far infrared heating device
CN116582963A (en) * 2023-07-06 2023-08-11 江苏九州电器有限公司 Electric heating assembly auxiliary equipment and assembly process thereof

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CN116582963A (en) * 2023-07-06 2023-08-11 江苏九州电器有限公司 Electric heating assembly auxiliary equipment and assembly process thereof
CN116582963B (en) * 2023-07-06 2023-09-12 江苏九州电器有限公司 Electric heating assembly auxiliary equipment and assembly process thereof

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