Twisting device of polypropylene twisting two-for-one twister

By introducing a withdrawal mechanism and a resistance mechanism into the polypropylene yarn double twister and adjusting the position of the yarn and the withdrawal ring, the friction problem during yarn withdrawal is solved, the yarn tension is controlled, yarn breakage is avoided, and the stability of the twisting process is ensured.

CN223458461UActive Publication Date: 2025-10-21ZHEJIANG YANPAI TECH CO LTD
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Patent Information

Application Number
CN202422740205.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-10-21
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

In the twisting process of the existing polypropylene twisting machine, the yarn is easily rubbed against the yarn bobbin when it is unwound, resulting in increased unwound tension and causing yarn breakage.

Method used

A twisting device for a polypropylene two-for-one twister was designed, which included a back-up mechanism and a resistance mechanism. Through the cooperation of synchronous gears, synchronous torsion springs, back-up brackets and positioning brackets, the position of the resistance wheel on the yarn bobbin was adjusted to maintain an appropriate range between the yarn and the back-up ring to avoid excessive tension.

Benefits of technology

It effectively avoids yarn breakage due to excessive tension during the twisting process, ensuring the stability and continuity of the twisting process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a twisting device of a polypropylene twisted thread two-for-one twister, which relates to the technical field of textile equipment and comprises a fixing frame, a yarn cylinder is sleeved on a two-for-one twisting spindle, the two-for-one twisting spindle is rotatably connected with an unwinding mechanism, the unwinding mechanism comprises an unwinding slide block, a synchronous gear, a synchronous torsion spring, an unwinding support and a positioning support, a mounting ring groove is formed in the middle of the unwinding sliding block, the synchronous gear is rotationally arranged in the mounting ring groove in a sleeved mode, the unwinding support and the positioning support are provided with synchronous racks meshed with the synchronous gear, and an abutting mechanism is arranged at the end of the positioning support. The abutting mechanism comprises a connecting sleeve, an abutting rod, an adjusting cylinder, a locking spring, an abutting sliding block and a locking bolt. The positioning support abuts against the outer wall of the yarn bobbin in real time, the synchronous gear reversely drives the unwinding support to slide, the yarn and the unwinding ring are kept within a stable unwinding tension range, and the situation of yarn breakage is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to textile equipment technical field, concretely is a kind of polypropylene twisting doubling twister twisting device. BACKGROUND

[0002] Although domestic polypropylene enterprises start late, with the continuous development of China's economy, product production technology and quality level improve rapidly. With the market of conventional denier polypropylene yarn gradually saturated, polypropylene production has developed towards fine denier fiber, ultrafine denier fiber and differential, materialization, functionalization fiber.

[0003] The doubling twister is a kind of twisting equipment, which is essentially a kind of doubling equipment, and can realize one turn and two twists, and is suitable for the twisting process of pure cotton and blended yarn of cotton, wool and polyester fibers in the textile industry.

[0004] In the twisting process, fine denier fiber and ultrafine denier fiber pass through the gasket ring and are inserted from the top of the hollow spindle, and then are drawn out from the yarn outlet of the twisting disc and the twisting process is completed. However, in the twisting process, the size of the gasket ring is too small, and when the yarn cylinder with large size is unwound, the yarn unwinding will rub against the yarn cylinder itself. When the size of the gasket ring is too large, the unwinding angle of the yarn is too large, which increases the unwinding tension, and further causes the yarn breakage. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a kind of polypropylene twisting doubling twister twisting device, solve the problem raised in the above background technology.

[0007] (II) Technical scheme

[0008] To achieve the above purpose, the utility model is realized by the following technical scheme:

[0009] A kind of polypropylene twisting doubling twister twisting device, including fixed frame, the fixed frame is fixed with doubling spindle and twisting disc, yarn cylinder is sleeved on the doubling spindle, the mounting seat is fixed on the doubling spindle, the unwinding mechanism is rotatably connected on the mounting seat, the unwinding mechanism includes unwinding sliding block, synchronous gear, synchronous torsional spring, unwinding support and positioning support, the unwinding sliding block is rotatably connected on the mounting seat, the middle part of the unwinding sliding block is provided with mounting ring groove, the synchronous gear is rotatably sleeved in mounting ring groove, the unwinding support and positioning support are slidably connected in mounting ring groove, the side of the unwinding support and positioning support towards synchronous gear is provided with synchronous rack, the synchronous rack is engaged with synchronous gear, the synchronous torsional spring is connected between unwinding sliding block and synchronous gear, the end of the unwinding support is provided with unwinding ring, the end of the positioning support is provided with abutting mechanism, the abutting mechanism is slidably abutted on the outer wall of yarn cylinder.

[0010] Preferably, the upper and lower side walls of the installation ring groove are provided with guide grooves, and the upper and lower sides of the disintegration support and the positioning support are provided with guide strips, and the disintegration support and the positioning support are slidably connected in the guide grooves.

[0011] Preferably, the resisting mechanism comprises a connecting sleeve, a resisting rod and a locking bolt, the connecting sleeve is fixed on the positioning support, the resisting rod is slidably connected on the connecting sleeve, the locking bolt is threadedly connected on the connecting sleeve, the end of the locking bolt abuts against the resisting rod, the lower end of the resisting rod is rotatably connected with a resisting wheel, and the resisting wheel abuts against the outer wall of the yarn cylinder.

[0012] Preferably, the outer side of the connecting sleeve is rotatably connected with an adjusting cylinder, the side wall of the adjusting cylinder is provided with an adjusting through hole, the resisting rod is slidably arranged in the adjusting through hole, the connecting sleeve is slidably connected with a resisting slider, the locking bolt abuts against the outer side of the resisting slider, and the inner side of the resisting slider abuts against the resisting rod.

[0013] Preferably, the front end of the connecting sleeve is provided with an inner recessed ring, a locking spring is connected between the inner recessed ring and the resisting slider, and the resisting slider passes through the inner recessed ring to abut against the resisting rod.

[0014] Preferably, the resisting rod is provided with clamping grooves towards the resisting slider, a plurality of locking protrusions are arranged in the clamping grooves, and the front end of the resisting slider is provided with a plurality of locking clamping blocks.

[0015] (Three) beneficial effects

[0016] The polypropylene twisting and doubling twister twisting device has the following beneficial effects:

[0017] 1. In the utility model, the yarn on the yarn cylinder passes through the disintegration ring, the doubling spindle and the twisting disc in sequence to complete the twisting process, the resisting slider and the resisting rod, the connecting sleeve and the adjusting cylinder are unlocked through the locking bolt, the adjusting cylinder can rotate on the connecting sleeve, the sliding rod can slide up and down in the adjusting cylinder, the position of the resisting wheel is adjusted, the resisting wheel abuts against the outer wall of the top end of the yarn cylinder, in the process of the twisting process, the yarn on the yarn cylinder gradually reduces, the positioning support slides backward under the action of the synchronous torsional spring, the disintegration support is synchronously contracted inward through the synchronous gear, the yarn can always be kept within a certain range with the disintegration ring, and the situation that the yarn is broken due to excessive disintegration tension is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of the polypropylene twisting and doubling twister twisting device.

[0019] Figure 2 It is the structure schematic view of the disintegration mechanism in the utility model;

[0020] Figure 3 It is the partial sectional view of the disintegration mechanism in the utility model;

[0021] Figure 4 It is the sectional view of the abutting mechanism in the utility model.

[0022] In the figure: 1, fixed frame;2, twisting disc;3, two-for-one twister spindle;4, disintegration slider;5, synchronous gear;6, synchronous torsional spring;7, disintegration support;8, positioning support;9, guide bar;10, synchronous rack;11, disintegration ring;12, connecting sleeve;13, abutting rod;14, adjusting cylinder;15, locking spring;16, abutting slider;161, sliding part;162, abutting part;17, locking bolt;18, concave ring;19, abutting wheel;20, yarn cylinder. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.

[0024] As Figure 1 shown, a kind of polypropylene twister two-for-one twister twisting device, including fixed frame 1, the fixed frame 1 is fixed with two-for-one twister spindle 3 and twisting disc 2, yarn cylinder 20 is sleeved on the two-for-one twister spindle 3, the two-for-one twister spindle 3 is set to hollow, the two-for-one twister spindle 3 is fixed with mounting seat, and the mounting seat is rotatably connected with disintegration mechanism.

[0025] As Figure 2 、 3The shown, the disassembly mechanism includes disassembly slider 4, synchronization gear 5, synchronization torsional spring 6, disassembly support 7 and positioning support 8, the disassembly slider 4 is rotatably connected on the mounting seat, the middle part of the disassembly slider 4 is provided with installation ring groove, the synchronization gear 5 is rotatably sleeved in the installation ring groove, the inside of the installation ring groove is provided with the accommodation groove, the synchronization torsional spring 6 is placed in the accommodation groove, the lower end of the synchronization torsional spring 6 is fixed on the bottom wall of the accommodation groove, the top of the synchronization torsional spring 6 is fixed on the lower side of the synchronization gear 5, the upper and lower two side walls of the installation ring groove are provided with guide groove, the upper and lower two sides of the disassembly support 7 and positioning support 8 are provided with guide strip 9, the disassembly support 7 and positioning support 8 are oppositely slidably connected in the installation ring groove, the side of the disassembly support 7 and positioning support 8 towards the synchronization gear 5 is provided with synchronization rack 10, the synchronization rack 10 is engaged with the synchronization gear 5, pulling the positioning support 8 can make the disassembly support 7 slide towards the opposite direction through the synchronization gear 5, the end of the disassembly support 7 is provided with disassembly ring 11, the end of the positioning support 8 is provided with the abutting mechanism, the abutting mechanism is slidably abutted on the outer wall of the yarn cylinder, the yarn on the yarn cylinder is sequentially threaded through the disassembly ring 11, the two-for-one twister 3 and the twisting disc 2 to complete the twisting process.

[0026] As Figure 2 , 3As shown, the abutting mechanism comprises a connecting sleeve 12, an abutting rod 13, an adjusting cylinder 14, a locking spring 15, an abutting slider 16 and a locking bolt 17, the connecting sleeve 12 is fixed on the positioning support 8, the adjusting cylinder 14 is rotationally connected on the outside of the connecting sleeve 12, the side wall of the adjusting cylinder 14 is provided with an adjusting through hole, the abutting rod 13 is slidably arranged in the adjusting through hole, the outer wall of the connecting sleeve 12 is provided with a rotation groove, the inner wall of the adjusting cylinder 14 is provided with a rotation ring, the rotation ring is concave-convex matched rotationally connected in the rotation groove, the inner wall of the connecting sleeve 12 is provided with a thread, the locking bolt 17 is threadedly connected at one end of the connecting sleeve 12, the inner wall of the connecting sleeve 12 is provided with an axially extending locking sliding groove, the outer wall of the abutting slider 16 is provided with a locking slider, the locking slider is slidably connected in the locking sliding groove, the abutting slider 16 can slide left and right in the connecting sleeve 12, the abutting slider 16 comprises an integrally formed sliding part 161 and an abutting part 162, the sliding part 161 and the abutting part 162 are in a stepped shape, the front end of the connecting sleeve 12 is provided with an inner recess ring 18, the locking spring 15 is abutted between the inner recess ring 18 and the sliding part 161, the abutting part 162 can abut and clamp on the side wall of the abutting rod 13 through the inner recess ring 18, rotating the locking bolt 17 so that the end of the locking bolt 17 extrudes the abutting slider 16, the sliding part 161 of the abutting slider 16 extrudes the locking spring 15, which can make the abutting part 162 slide forward and extrude on the abutting rod 13 through the inner recess ring 18, and through extrusion, the abutting rod 13, the adjusting cylinder 14 and the connecting sleeve 12 are locked; conversely, the unlocking can be realized, and the lower end of the abutting rod 13 can be adjusted to any position and any angle.

[0027] Further, the lower end of the abutting rod 13 is rotationally connected with an abutting wheel 19, the abutting wheel 19 abuts on the outer wall of the yarn cylinder, the abutting wheel 19 abuts on the outer wall of the yarn cylinder, which can reduce the resistance of the abutting rod 13 abutting on the outer wall of the yarn cylinder rotating in the twisting process, ensure that the whole decomposing mechanism can rotate with the yarn decomposing in the twisting process, and reflect the outer diameter of the yarn cylinder in real time, so as to adjust the position of the decomposing ring 11 on the decomposing support 7, so that the yarn always maintains a certain decomposing tension, avoiding the occurrence of broken yarn in the twisting process.

[0028] Further, some of the abutting rod 13 towards the abutting slider 16 are provided with clamping grooves, a plurality of locking protrusions are arranged in the clamping grooves, the front end of the abutting slider 16 is provided with a plurality of locking blocks, the plurality of locking protrusions and the locking blocks are mutually offset and clamped.

[0029] Further, the disintegration support 7 comprises a translation part, a support ring part and a disintegration bolt which are hingedly connected to each other, and the disintegration bolt is threadedly connected between the translation part and the support ring part, so that the position of the disintegration ring 11 on the disintegration support 7 can be adjusted, and the support of the disintegration ring 11 on the yarn can be kept in a proper position.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A polypropylene twister two-for-one twister device comprising a stationary frame, characterised in that: The fixed frame is fixed with a double twister spindle and a twisting disc, a yarn cylinder is sleeved on the double twister spindle, a mounting seat is fixed on the double twister spindle, a disintegration mechanism is rotatably connected on the mounting seat, the disintegration mechanism comprises a disintegration sliding block, a synchronous gear, a synchronous torsional spring, a disintegration support and a positioning support, the disintegration sliding block is rotatably connected on the mounting seat, a mounting ring groove is formed in the middle of the disintegration sliding block, the synchronous gear is rotatably sleeved in the mounting ring groove, the disintegration support and the positioning support are oppositely and slidably connected in the mounting ring groove, synchronous racks are arranged on the side of the disintegration support and the positioning support, facing the synchronous gear, the synchronous racks are engaged with the synchronous gear, the synchronous torsional spring is connected between the disintegration sliding block and the synchronous gear, a disintegration ring is arranged at the end of the disintegration support, and a resisting mechanism is arranged at the end of the positioning support and slidably abuts against the outer wall of the yarn cylinder.

2. A polypropylene twister two-for-one twister adding twist device according to claim 1, characterized in that: Guiding grooves are formed in the upper and lower side walls of the mounting ring groove, guiding strips are arranged on the upper and lower sides of the disintegration support and the positioning support, and the disintegration support and the positioning support are slidably connected in the guiding grooves.

3. A polypropylene twister two-for-one twister adding twist device according to claim 2, characterised in that: The resisting mechanism comprises a connecting sleeve, a resisting rod and a locking bolt, the connecting sleeve is fixed on the positioning support, the resisting rod is slidably connected on the connecting sleeve, the locking bolt is threadedly connected through the connecting sleeve, the end of the locking bolt abuts against the resisting rod, a resisting wheel is rotatably connected at the lower end of the resisting rod, and the resisting wheel abuts against the outer wall of the yarn cylinder.

4. A polypropylene twister two-for-one twister device according to claim 3, characterised in that: An adjusting cylinder is rotatably connected on the outside of the connecting sleeve, an adjusting through hole is formed in the side wall of the adjusting cylinder, the resisting rod is slidably connected through the adjusting through hole, a resisting sliding block is slidably connected in the connecting sleeve, the locking bolt abuts against the outside of the resisting sliding block, and the inside of the resisting sliding block abuts against the resisting rod.

5. A polypropylene twister two-for-one twister device according to claim 4, characterised in that: A concave ring is arranged at the front end of the connecting sleeve, a locking spring is connected between the concave ring and the resisting sliding block, and the resisting sliding block abuts against the resisting rod through the concave ring.

6. A polypropylene twister two-for-one twister device according to claim 5, characterised in that: A plurality of clamping grooves are formed in the resisting rod, facing the resisting sliding block, a plurality of locking protrusions are arranged in the clamping grooves, a plurality of locking clamping blocks are arranged at the front end of the resisting sliding block, and the locking protrusions and the locking clamping blocks are clamped in a staggered manner.