CN114016170B - Automatic twisting device and PP (polypropylene) melting rope production device - Google Patents
Automatic twisting device and PP (polypropylene) melting rope production device Download PDFInfo
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- CN114016170B CN114016170B CN202111299581.XA CN202111299581A CN114016170B CN 114016170 B CN114016170 B CN 114016170B CN 202111299581 A CN202111299581 A CN 202111299581A CN 114016170 B CN114016170 B CN 114016170B
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- twisting
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H7/00—Spinning or twisting arrangements
- D01H7/02—Spinning or twisting arrangements for imparting permanent twist
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Abstract
The invention discloses an automatic twisting device, which comprises a base, wherein a mounting plate and a fixing frame are symmetrically arranged on two sides of the base, a rotatable wire guide shaft penetrates through the side surface of the mounting plate, a pair of support arms extend outwards from the wire outlet of the wire guide shaft in parallel, a pair of extrusion wheels doing opening and closing movement are arranged between the support arms, a pair of sliding frames are also arranged on the support arms, and pressure rods on two sides of the extrusion wheels respectively penetrate through the support arms on one side of each extrusion wheel to be rotatably connected with the end parts of the corresponding sliding frames; the fixing frame is provided with an elliptical disc, the sliding frame is further provided with auxiliary wheels which roll in a tangent mode with the elliptical disc, and the two corresponding auxiliary wheels are clamped and positioned on the circumferential surface of the elliptical disc during working. The invention also provides a PP fusion rope production device with the automatic twisting device. The device can improve the production efficiency and the production quality of the yarns.
Description
Technical Field
The invention relates to the technical field of spinning devices, in particular to an automatic twisting device.
Background
Polypropylene, abbreviated as PP, is a colorless, odorless, nontoxic and semitransparent solid substance. Polypropylene is a thermoplastic synthetic resin with excellent performance, and is colorless translucent thermoplastic light general-purpose plastic. The polypropylene has chemical resistance, heat resistance, electrical insulation, high-strength mechanical property, good high-wear-resistance processing property and the like, so that the polypropylene can be rapidly and widely developed and applied in a plurality of fields such as machinery, automobiles, electronic and electric appliances, buildings, textiles, packaging, agriculture, forestry, fishery, food industry and the like since the coming out.
Patent document CN113502574A discloses a twisting device of a cabling machine, which comprises a frame, wherein a partition plate is fixedly connected to the bottom of the inner wall of the frame, and a retainer ring is fixedly connected to the part of the bottom of the inner wall of the frame, which is positioned on one side of the partition plate; the yarn storage barrel is arranged in the retainer ring and is rotationally connected with the bottom of the inner wall of the rack through a rotating shaft; the heating device is arranged above the yarn storage barrel, and two ends of the heating device are fixedly connected with the inner wall of the rack; the cleaning device is arranged above the heating device, and two ends of the cleaning device are fixedly connected with the inner wall of the rack; the heating device includes: the electric heat pole, this electric heat pole outside cover are equipped with heat conduction sleeve, can avoid the yarn to tighten up in the great position of tension through the device and lead to the broken string, but the device lacks the commonality, and production efficiency is lower, is unsuitable for a large amount of production.
Patent document CN113417036A discloses a filament twisting method, which includes a base, a support rod, a filament inserting rod, a main shaft, a belt, a filament feeding roller shaft, a main shaft gear, a filament feeding gear, a bobbin clamping device, and the like, wherein the main shaft can be mounted on an original rack of a common twisting machine, the main shaft is connected with the filament feeding roller shaft through the belt, the main shaft gear is in gear engagement with the filament feeding gear to drive the filament inserting rod to rotate, the filament inserting rod rotates to drive a filament bobbin, and the filament bobbin is unwound by being engaged with the bobbin clamping device.
Disclosure of Invention
In order to solve the problems, the invention provides an automatic twisting device which is simple in structure and convenient to maintain, and can effectively solve the problem that the fluffing of glass fiber materials affects the blockage in a subsequent shaping die cavity by adjusting the number and direction of rotation turns during twisting and the pressure during twisting and pressing, so that high-quality yarns are obtained.
An automatic twisting device comprises a base, wherein a mounting plate and a fixing frame are symmetrically arranged on two sides of the base, a rotatable wire guide shaft penetrates through the side surface of the mounting plate, a pair of support arms extend outwards from a wire outlet of the wire guide shaft in parallel, a pair of extrusion wheels performing opening and closing motions are arranged between the support arms, a pair of sliding frames are further arranged on the support arms, and pressure rods on two sides of the extrusion wheels respectively penetrate through the support arms on one side of each extrusion wheel to be rotatably connected with the end parts of the corresponding sliding frames; the fixing frame is provided with an elliptical disc, auxiliary wheels which are tangent to the elliptical disc and roll are arranged on the sliding frames, and the two auxiliary wheels corresponding to the sliding frames are clamped and positioned on the circumferential surface of the elliptical disc during working.
Preferably, the wire guide shaft is driven by the servo motor, the positive and negative rotation requirements of the wire guide shaft can be met by the aid of chain transmission, and meanwhile, the requirement on the size of an installation space is lowered.
Preferably, the servo motor is also provided with a control system for controlling the output power, and the twisting process requirement is met by controlling the positive and negative rotation of the guide wire shaft, so that the yarn quality is improved.
Preferably, two groups of automatic twisting devices which are arranged in a staggered mode are arranged on the base, each group comprises 4 automatic twisting devices which are arranged side by side and servo motors which are used in a matched mode, and the twisting efficiency of yarns is improved while the working space pressure is saved.
Preferably, the pair of sliding frames are connected through a compression spring, and the extrusion power is provided for the extrusion wheel through elastic potential energy.
Preferably, the center of the oval disc is provided with a through pipe which is used for being matched and plugged with the fixing frame, the through pipe is used for allowing yarns which finish a twisting process to pass through, and the size of the oval disc can be adjusted according to the twisting process, so that the twisting pressure of the extrusion wheel is changed, and later maintenance and installation are facilitated.
The invention also provides a PP fusion rope production device which comprises a PP prepreg unreeling device, a mould fusion forming device, a rope automatic reeling device and an electric control device which are sequentially arranged along a production line, wherein the mould fusion forming device comprises the automatic twisting device.
Preferably, the mold fusion forming device comprises a frame, a traction device arranged on the frame and used for drawing the yarn to the automatic rope winding device, a fusion chamber with a heating unit, an automatic twisting device for twisting the heated yarn in the fusion chamber, a shaping mold cavity device for shaping and outputting the yarn after the twisting process and a matched mold locking device are sequentially arranged on the frame along the yarn drawing direction, and the heating unit is regulated and controlled by an electric control device to preheat the yarn to the temperature required by the process.
Preferably, the traction device is also provided with a tension control device for adjusting the tension of the yarn during traction, and the tension control device is arranged at the yarn inlet of the melting cavity heating device, so that the problem of out-of-control tension of the inward-withdrawing yarn bundle cylinder is solved.
The specific working principle of the automatic twisting device provided by the invention is as follows:
the technical scheme includes that yarns soaked with pp materials enter from a wire inlet end of a wire shaft through a traction device, the rotation speed and the rotation direction of the wire shaft are controlled through a servo motor matched with the traction device, the yarns are twisted and pressed by an extrusion wheel at a wire outlet after passing through the wire shaft, and meanwhile a pair of auxiliary wheels clamped on two sides of the circumferential surface of an elliptical disc are arranged on two sliding frames where the two extrusion wheels are located; when the distance between the two auxiliary wheels is from the maximum diameter of the elliptical disc to the minimum diameter of the elliptical disc, the two sliding frames approach each other, so that the two extrusion wheels are driven to do closing action, and meanwhile, the pressure of twisting pressure is adjusted through the contraction springs with different elastic coefficients, so that the action of twisting pressure of one hand during manual yarn twisting is simulated.
Compared with the prior art, the invention has the following beneficial effects:
the manual twisting and pressing mode is simulated by rolling a pair of auxiliary wheels on the clamping device along the circumferential surface of the elliptical disc on the fixed frame, and meanwhile, the pressure during twisting is adjusted by replacing contraction springs with different elastic coefficients; furthermore, by means of a servo motor and chain transmission mode, the number and direction of winding turns of the yarns can be controlled more digitally, the problem that the glass fiber material fluffing affects blocking in a subsequent shaping mold cavity is effectively solved, and therefore high-quality yarns are obtained.
Drawings
FIG. 1 is a schematic view of the internal assembly of a melting chamber provided by the present invention;
FIG. 2 is a schematic structural view of an automatic twisting device provided by the present invention;
FIG. 3 is a schematic structural diagram of a production apparatus according to the present invention;
FIG. 4 is a schematic structural diagram of a tension control device provided in the present invention;
FIG. 5 is a schematic structural view of an automatic rope winding device according to the present invention;
in the figure: 1. a melting chamber; 2. a servo motor; 3. an automatic twisting device; 301. mounting holes; 302. a fixed mount; 303. a through pipe; 304. an elliptical disk; 305. a first carriage; 306. a retraction spring; 307. a first extrusion wheel; 308. a first support arm; 309. a wire guide shaft; 310. mounting a plate; 311. a sprocket; 312. a second extrusion wheel; 313. a second support arm; 314. a second carriage; 315. an auxiliary wheel; 4. a yarn; 5. a heating unit; 6. a base; 7. a frame; 8. a PP prepreg unreeling device; 801. a yarn guide ring device; 9. a first yarn guide device; 10. a tension control device; 1001. mounting a bracket; 1002. a movable roller group; 1003. fixing the roller group; 11. a yarn feed roller device; 12. a shaping die cavity device; 13. a pair of roller traction devices; 14. a rope automatic winding device; 1401. a second yarn guide device; 1402. winding the roll; 15. an electric control device.
Detailed Description
As shown in fig. 1 and 2, two heating units 5 for heating the yarn 4 are arranged in the melting chamber 1, and the yarn 4 enters the automatic twisting device 3 after being heated, so as to complete the next twisting process.
The automatic twisting device 3 comprises a base 6, wherein mounting plates 310 and a fixing frame 302 are symmetrically arranged on two sides of the base 6, mounting holes 301 are formed in the fixing frame 302, and an elliptical disc 304 is fixedly inserted into the fixing frame through a through pipe 303.
A rotatable wire guide shaft 309 penetrates through the side face of the mounting plate 310, a first support arm 308 and a second support arm 313 extend out of the wire outlet of the wire guide shaft 309 in parallel, a first extrusion wheel 307 and a second extrusion wheel 312 which do opening and closing movement are arranged between the first support arm 308 and the second support arm 313, a first sliding frame 305 and a second sliding frame 314 are further arranged on the two supports, compression rods on two sides of the first extrusion wheel 307 respectively penetrate through the first support arm 308 and the second support arm 313 to be connected with the end portion of the first sliding frame 305 in a rotating mode, compression rods on two sides of the second extrusion wheel 312 respectively penetrate through the first support arm 308 and the second support arm 313 to be connected with the end portion of the second sliding frame 314 in a rotating mode, the first sliding frame 305 and the second sliding frame 314 are connected through contraction springs 306 on two outer sides, and extrusion power is provided for the first extrusion wheel 307 and the second extrusion wheel 312.
The first sliding frame 305 and the second sliding frame 314 are respectively provided with an auxiliary wheel 315, two corresponding auxiliary wheels 315 are symmetrically clamped and roll along the circumferential surface of the elliptical disc 304 to form an elliptical motion track, when the distance between the two auxiliary wheels 315 is from the minimum diameter of the elliptical disc 304 to the maximum diameter of the elliptical disc 304, the first sliding frame 305 and the second sliding frame 314 drive the first pressing wheel 307 and the second pressing wheel 312 to perform an opening action so as to simulate the action of exchanging twisting pressure by two hands during manual yarn twisting; when the distance between the two auxiliary wheels 315 is from the maximum diameter of the elliptical disk 304 to the minimum diameter of the elliptical disk 304, the first sliding frame 305 and the second sliding frame 314 drive the first pressing wheel 307 and the second pressing wheel 312 to perform a closing action and simulate the action of twisting and pressing one hand of a hand during manual yarn twisting by the elastic potential energy provided by the contraction springs 306 with different elastic coefficients.
The wire inlet of the wire guide shaft 309 is provided with a chain wheel 311, the frame 7 is also provided with a servo motor 2, the servo motor 2 and the wire guide shaft 309 are in chain transmission, the servo motor 2 can complete the forward and reverse rotation control of the wire guide shaft 309 through a self-contained control system, and meanwhile, the requirement on the size of an installation space is also reduced.
In addition, be equipped with two sets of automatic twisting device 3 of dislocation arrangement on the base 6, every group includes 4 automatic twisting device 3 of arranging side by side and supporting servo motor 2 that uses, has also improved the twisting efficiency of yarn 4 when saving working space pressure.
As shown in fig. 3, 4 and 5, a PP melting rope production device comprises a PP prepreg unreeling device 8, a first yarn guiding device 9, a tension control device 10, a yarn feeding roller device 11, a melting chamber 1, a sizing die cavity device 12, a pair roller traction device 13, a rope automatic reeling device 14 and an electrical control device 15 which are sequentially arranged along a production line, wherein an automatic twisting device 3 is positioned in the melting chamber 1.
Wherein the shaping die cavity device 12 is provided with a matched die locking device.
The tension control device 10 comprises a mounting bracket 1001, fixed roller groups 1003 crossing two ends of the mounting bracket 1001 and movable roller groups 1002 matched with the fixed roller groups 1003 for use, and the pressure between the two groups of rollers is controlled through built-in contraction springs, so that the problem of out-of-control tension of the inward-withdrawing type yarn bundle barrel is solved.
In the production process, a worker adds a raw material into a PP prepreg unreeling device 8 for preprocessing, then leads out soaked yarns through a yarn guide ring device 801, sequentially passes through a first yarn guide device 9 and a tension control device 10, adjusts the height of the yarns 4 entering a melting cavity 1 through a yarn feeding roller device 11, then the yarns 4 enter the melting cavity 1 to finish heating and twisting, and then finish shaping output of the yarns 4 through a shaping mold cavity device 12, finally, the processed yarns 4 are drawn to an automatic rope reeling device 14 through a pair roller drawing device 13, and the yarns are reeled to a reeling drum 1402 through the guidance of a second yarn guide device 1401.
The above-mentioned production processes are all coordinated by an electrical control device 15 located at the end of the production line.
Claims (7)
1. An automatic twisting device comprises a base and is characterized in that a mounting plate and a fixing frame are symmetrically arranged on two sides of the base, a rotatable wire shaft penetrates through the side face of the mounting plate, a servo motor which provides power for rotation of the wire shaft is further arranged on the base, the wire shaft and the servo motor are in chain transmission, the requirement for forward and reverse rotation of the wire shaft is met by the aid of chain transmission, a pair of support arms extend outwards in parallel from a wire outlet of the wire shaft, a pair of extrusion wheels which perform opening and closing movement are arranged between the support arms, a pair of sliding frames are further arranged on the support arms, the sliding frames are connected through contraction springs, the pressure of twisting pressure is adjusted through the contraction springs with different elastic coefficients, and pressure rods on two sides of each extrusion wheel respectively penetrate through the support arms on one side of each extrusion wheel and are rotatably connected with the end portions of the corresponding sliding frames; the fixing frame is provided with an elliptical disc, auxiliary wheels which are tangent to the elliptical disc and roll are arranged on the sliding frames, and the two auxiliary wheels corresponding to the sliding frames are clamped and positioned on the circumferential surface of the elliptical disc during working.
2. The automatic twisting machine of claim 1 wherein the servo motor is further provided with a control system for controlling the output power.
3. The automatic twisting device of claim 1, wherein two sets of staggered automatic twisting devices are arranged on the base, each set comprises 4 automatic twisting devices arranged side by side and a servo motor used in cooperation.
4. The automatic twisting device according to claim 1, wherein the oval plate is provided at the center thereof with a through-pipe for fitting with the fixing frame, and the through-pipe is used for passing a yarn for completing the twisting process.
5. A PP melting rope production device is characterized by comprising a PP prepreg unreeling device, a mould melting forming device, a rope automatic reeling device and an electric control device which are sequentially arranged along a production line, wherein the mould melting forming device comprises the automatic twisting device as claimed in any one of claims 1 to 4.
6. The PP melting rope production device according to claim 5, wherein the mold melting and forming device comprises a frame, a traction device installed on the frame and used for drawing the yarn to the automatic rope winding device, a melting chamber with a heating unit, an automatic twisting device for twisting the heated yarn in the melting chamber, a shaping mold cavity device for shaping and outputting the yarn after the twisting process and a mold locking device used in cooperation, wherein the melting chamber with the heating unit, the automatic twisting device, the shaping mold cavity device and the mold locking device are sequentially arranged on the frame along the yarn drawing direction, and the heating unit is regulated and controlled by an electric control device to preheat the yarn to the temperature required by the process.
7. The PP melting rope production device according to claim 6, wherein the drawing device is further provided with a tension control device for adjusting the tension of the yarn in drawing, and the tension control device is arranged at the inlet of the melting cavity heating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111299581.XA CN114016170B (en) | 2021-11-04 | 2021-11-04 | Automatic twisting device and PP (polypropylene) melting rope production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111299581.XA CN114016170B (en) | 2021-11-04 | 2021-11-04 | Automatic twisting device and PP (polypropylene) melting rope production device |
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| Publication Number | Publication Date |
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| CN114016170A CN114016170A (en) | 2022-02-08 |
| CN114016170B true CN114016170B (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111299581.XA Active CN114016170B (en) | 2021-11-04 | 2021-11-04 | Automatic twisting device and PP (polypropylene) melting rope production device |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004044290A1 (en) * | 2002-11-14 | 2004-05-27 | David Arthur Lee | Apparatus for producing a yarn |
| CN106835391B (en) * | 2017-03-28 | 2022-07-01 | 天津商业大学 | Rabbit hair wool top twisting device |
| CN208201221U (en) * | 2018-04-09 | 2018-12-07 | 沈笑 | A kind of twister based on chemical fibre processing |
| CN108796696A (en) * | 2018-06-15 | 2018-11-13 | 赵凯 | A kind of double-roll type yarn twisting unit |
| CN209082246U (en) * | 2018-10-12 | 2019-07-09 | 常州市万兴自控设备有限公司 | A kind of cotton rope processing unit and rope machine |
| CN111778599B (en) * | 2020-07-14 | 2021-09-10 | 宿迁市正益纺织有限公司 | Twisting device capable of twisting uniformly |
| CN212865111U (en) * | 2020-09-07 | 2021-04-02 | 张家港锦亿化纤有限公司 | Polyester filament yarn twisting device with winding mechanism |
| CN113463232A (en) * | 2021-06-25 | 2021-10-01 | 江苏大学 | Continuous automatic twisting and winding device and method for polymer fiber artificial muscle |
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- 2021-11-04 CN CN202111299581.XA patent/CN114016170B/en active Active
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