阅读说明：本技术 一种用于碳纤维生产的碳纤维丝束收取设备 (A equipment is collected to carbon fiber silk bundle for carbon fiber production ) 是由 杨建军 杨刚 于 2021-10-27 设计创作，主要内容包括：本发明提供一种用于碳纤维生产的碳纤维丝束收取设备,涉及碳纤维生产制造设备技术领域,包括丝束收取盘、丝束限位件、驱动固定环件、旋转电机和固定底座,所述丝束收取盘的轴心处贯穿开设有轴心孔,且轴心孔的一侧贯穿开设有丝束偏转槽,所述丝束收取盘用于碳纤维丝束的缠绕基体,便于碳纤维丝束收取的上料操作。本发明,解决了在对碳纤维丝束进行收取时,初期需将碳纤维丝束的端头准确地固定在收取设备上,而碳纤维材料具有很强的脆性,尤其纤维的端头位置,并且碳纤维丝束直径较小,以上两点因素会导致在对碳纤维丝束进行固定时,难以保证其完整性和与收取设备之间连接的准确性,严重降低了碳纤维丝束收取工作效率的问题。(The invention provides a carbon fiber tow collecting device for carbon fiber production, which relates to the technical field of carbon fiber production and manufacturing equipment and comprises a tow collecting disc, a tow limiting part, a driving fixing ring piece, a rotating motor and a fixing base, wherein an axis hole penetrates through the axis of the tow collecting disc, a tow deflection groove penetrates through one side of the axis hole, and the tow collecting disc is used for winding a matrix of carbon fiber tows and is convenient for loading operation of collecting the carbon fiber tows. The invention solves the problems that when the carbon fiber tows are collected, the ends of the carbon fiber tows need to be accurately fixed on collecting equipment in the initial stage, the carbon fiber materials have strong brittleness, particularly the positions of the ends of the fibers, the diameters of the carbon fiber tows are small, the integrity of the carbon fiber tows and the accuracy of connection between the carbon fiber tows and the collecting equipment are difficult to ensure when the carbon fiber tows are fixed, and the working efficiency of collecting the carbon fiber tows is seriously reduced.)

1. The utility model provides an equipment is collected to carbon fiber tow for carbon fiber production, collects dish (1), tow locating part (3), drive retainer ring (4), rotating electrical machines (5) and unable adjustment base (6), its characterized in that including the tow: an axial hole (10) penetrates through the axis of the tow collecting disc (1), a tow deflection groove (11) penetrates through one side of the axial hole (10), and the tow collecting disc (1) is used for winding a matrix of carbon fiber tows, so that the loading operation of collecting the carbon fiber tows is facilitated;

the inner side of the tow deflection groove (11) is movably provided with a tow overturning part (2), and the tow overturning part (2) is used for clamping and clamping the carbon fiber tow and transferring the carbon fiber tow from the inside of the axial hole (10) to the outer side of the tow collecting disc (1) for winding and accommodating;

the bottom of the axis of the tow collecting disc (1) and the top of the tow limiting part (3) are movably mounted, and the tow limiting part (3) is used for accurately moving the carbon fiber tows to the axis of the axis hole (10), so that one end of the tow overturning part (2) can firmly clamp the carbon fiber tows and perform overturning transfer;

the outer side of the bottom of the tow collecting disc (1) is movably mounted with the top of the driving fixed ring piece (4), a rotating shaft (50) is inserted at the axis of the bottom of the driving fixed ring piece (4), the outer side of the bottom end of the rotating shaft (50) is movably mounted with the axis of the top end of the rotating motor (5), and the rotating motor (5) is used for driving the driving fixed ring piece (4) through the rotating shaft (50) so as to drive the tow collecting disc (1) to rotate at a constant speed and wind carbon fiber tows to the outer side of the tow collecting disc (1);

the bottom outside of rotating electrical machines (5) and the top axle center department fixed mounting of unable adjustment base (6) for the bottom of rotating electrical machines (5) is spacing, and moves down the holistic focus of equipment, promotes stability.

2. The carbon fiber tow take-up apparatus for carbon fiber production according to claim 1, wherein: the outside symmetry movable mounting of silk bundle deflection groove (11) has two magnetism to inhale fastener (7) for when limiting carbon fiber silk bundle initial stage, collect set (1) outside winding deflection angle, two at the silk bundle magnetism to inhale fastener (7) and all include shell spare (701), one end of shell spare (701) and one side fixed mounting of silk bundle deflection groove (11), and the other end fixed mounting of shell spare (701) have spacing fixture block (704), movable groove (702) have been seted up to the inboard of shell spare (701), and the inboard movable mounting of movable groove (702) has magnet (703).

3. The carbon fiber tow take-up apparatus for carbon fiber production according to claim 1, wherein: tow upset spare (2) include mobile jib (201), the one end movable mounting of mobile jib (201) has offset shaft (202), and the inboard movable mounting of the outside of offset shaft (202) and tow deflection groove (11), tow draw-in groove (203) has been seted up to the other end of mobile jib (201).

4. The carbon fiber tow take-up apparatus for carbon fiber production according to claim 3, wherein: one end of the tow clamping groove (203) is symmetrically and fixedly provided with two triangular cushions (204), and the right-angle ends of the two triangular cushions (204) are positioned on the inner side of the tow clamping groove (203).

5. The carbon fiber tow take-up apparatus for carbon fiber production according to claim 1, wherein: the driving fixing ring piece (4) comprises an outer ring piece (401) and a driving clamping block (404), four connecting clamping pieces (402) are uniformly and fixedly mounted at the top of the outer ring piece (401), the top ends of the four connecting clamping pieces (402) are clamped with the bottom of the tow collecting plate (1), a plurality of supporting rods (403) are uniformly and fixedly mounted on the inner side of the outer ring piece (401), and one end of each supporting rod (403) is fixedly connected with the outer side of the driving clamping block (404).

6. The carbon fiber tow take-up apparatus for carbon fiber production according to claim 5, wherein: the bottom axis of the driving clamping block (404) is movably mounted with the top end of the rotating shaft (50), and the top of the driving clamping block (404) is movably connected with the bottom of the tow limiting piece (3).

7. The carbon fiber tow take-up apparatus for carbon fiber production according to claim 1, wherein: the tow limiting part (3) comprises a tightening ring (301), the bottom of the tightening ring (301) is fixedly connected with a non-closed circular ring (304), an inner-tooth ring piece (303) is movably mounted on the inner side of the non-closed circular ring (304), and a plurality of transmission gears (305) are meshed and connected with the inner side of the inner-tooth ring piece (303).

8. The carbon fiber tow take-up apparatus for carbon fiber production according to claim 7, wherein: the outer side of the internal tooth ring piece (303) is fixedly connected with a torsion rod (302), the top of the torsion rod (302) is movably connected with the bottom of the tightening ring (301), and a plurality of placing grooves (380) are uniformly formed in the bottom of the internal tooth ring piece (303).

9. The carbon fiber tow take-up apparatus for carbon fiber production according to claim 8, wherein: a tooth surface rod (308) is movably mounted on the inner side of each placing groove (380), and teeth of the tooth surface rod (308) are meshed and connected with teeth on the top of the transmission gear (305).

10. The carbon fiber tow take-up apparatus for carbon fiber production according to claim 9, wherein: the bottom of the tooth surface rod (308) is fixedly provided with a tightening plate (307), and the inner side of the tightening plate (307) is movably provided with a soft rubber ring (306).

Technical Field

The invention relates to the technical field of carbon fiber production and manufacturing equipment, in particular to carbon fiber tow collecting equipment for carbon fiber production.

Background

The carbon fiber is a fibrous carbon material with carbon content more than 90%, is prepared by carrying out high-temperature solid-phase reaction processes such as pre-oxidation, carbonization, graphitization and the like on precursor fibers such as organic fibers, namely polyacrylonitrile fibers, viscose fibers, asphalt fibers and the like, and is composed of graphite microcrystals with preferred orientation, so that the carbon fiber material has high strength and elastic modulus, is usually filamentous when the production of the carbon fiber material is finished, and can be stored and transported after being intensively stored.

In the prior art, for example, Chinese patent numbers are: CN 112873912A's "equipment is collected to silk bundle for carbon fiber production", collect equipment body, outer frame, slide rail groove and cross the wire casing including the silk bundle, the equipment body is collected to the silk bundle includes outer frame, fixedly connected with slide rail groove on the surface of outer frame, the inside of outer frame is provided with the wire casing, fixedly connected with bearing ware on the surface of outer frame, the inside swing joint in slide rail groove has collection device, cross the wire casing and include the cartridge heater. The movable rod is provided with a sliding wheel, a buffer spring is arranged on the surface of the sliding wheel, a pull spring is arranged on the surface of the movable rod, a buffer spring is arranged between the buffer spring and the movable rod, and the buffer spring is used for fixing two pairs of support columns.

However, in the prior art, when the carbon fiber tows are collected, the ends of the carbon fiber tows need to be accurately fixed on the collecting equipment at the initial stage, the carbon fiber materials have strong brittleness, particularly the end positions of fibers, the diameter of the carbon fiber tows is small, the integrity of the carbon fiber tows and the accuracy of connection between the collecting equipment are difficult to guarantee when the carbon fiber tows are fixed due to the two factors, and the efficiency of the carbon fiber tow collecting work is seriously reduced.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, when a carbon fiber tow is collected, the end of the carbon fiber tow needs to be accurately fixed on a collecting device in the initial stage, the carbon fiber material has strong brittleness, particularly the end position of a fiber, the diameter of the carbon fiber tow is small, and the integrity and the accuracy of connection between the carbon fiber tow and the collecting device are difficult to ensure when the carbon fiber tow is fixed, and the working efficiency of collecting the carbon fiber tow is seriously reduced.

In order to achieve the purpose, the invention adopts the following technical scheme: a carbon fiber tow collecting device for carbon fiber production comprises a tow collecting disc, a tow limiting part, a driving fixing ring part, a rotating motor and a fixing base, wherein an axis hole penetrates through the axis of the tow collecting disc, a tow deflection groove penetrates through one side of the axis hole, and the tow collecting disc is used for winding a matrix of carbon fiber tows and is convenient for loading operation of collecting the carbon fiber tows;

the inner side of the tow deflection groove is movably provided with a tow overturning part, and the tow overturning part is used for clamping and receiving carbon fiber tows and transferring the carbon fiber tows to the outer side of the tow collecting plate from the inner part of the axial hole for winding and storage;

the bottom of the axis of the tow collecting disc is movably mounted with the top of the tow limiting part, and the tow limiting part is used for accurately moving the carbon fiber tows to the axis of the axis hole, so that one end of the tow overturning part can firmly clamp the carbon fiber tows and overturn and transfer the carbon fiber tows;

the bottom outer side of the tow collecting disc is movably mounted with the top of the driving fixed ring piece, a rotating shaft is inserted in the bottom axis of the driving fixed ring piece, the bottom end outer side of the rotating shaft is movably mounted with the top axis of a rotating motor, and the rotating motor is used for driving the driving fixed ring piece through the rotating shaft, so that the tow collecting disc is driven to rotate at a constant speed, and carbon fiber tows can be wound to the outer side of the tow collecting disc;

the bottom outside of rotating electrical machines and unable adjustment base's top axle center department fixed mounting for spacing is carried out to rotating electrical machines's bottom, and moves down the holistic focus of equipment, promotes stability.

Preferably, the outside symmetry movable mounting in silk bundle deflection groove has two magnetism to inhale the fastener for when limiting carbon fiber silk bundle initial stage, collect the winding deflection angle in the set outside, two at the silk bundle magnetism to inhale the fastener and all include shell spare, one end of shell spare and one side fixed mounting in silk bundle deflection groove, and the other end fixed mounting of shell spare has spacing fixture block, movable groove has been seted up to the inboard of shell spare, and the inboard movable mounting in movable groove has magnet, through adopting this preferred scheme, prevents that the carbon fiber silk bundle from collecting the top of dish and taking place self winding because of dragging the skew by external force at the silk bundle, and the carbon fiber silk bundle that leads to collects the condition of work failure has promoted the carbon fiber silk bundle and has collected the success rate of work.

Preferably, the silk bundle upset spare includes the mobile jib, the one end movable mounting of mobile jib has the offset shaft, and the outside of offset shaft and the inboard movable mounting in silk bundle deflection groove, the silk bundle draw-in groove has been seted up to the other end of mobile jib, and through adopting this preferred scheme, the mobile jib can be followed the axle center of offset shaft and taken place the rotation to carbon fiber silk bundle in the silk bundle draw-in groove with the mobile jib other end deflects to the silk bundle and collects the dish outside.

Preferably, the one end symmetry fixed mounting of silk bundle draw-in groove has two triangle cushions, and the right angle end of two triangle cushions is located the inboard of silk bundle draw-in groove, through adopting this preferred scheme, carries on spacingly to the carbon fiber silk bundle, prevents that the carbon fiber silk bundle from shifting out the silk bundle draw-in groove again between two triangle cushions.

Preferably, the driving fixed ring piece comprises an outer ring piece and a driving clamping block, four connecting clamping pieces are uniformly and fixedly mounted at the top of the outer ring piece, the top ends of the four connecting clamping pieces are clamped with the bottom of the tow collecting disc, a plurality of supporting rods are uniformly and fixedly mounted on the inner side of the outer ring piece, one end of each supporting rod is fixedly connected with the outer side of the driving clamping block, and by adopting the preferred scheme, the rotating motor drives the driving clamping block through a rotating shaft, so that the tow collecting disc driving the driving fixed ring piece and the top of the driving fixed ring piece is driven to rotate at a constant speed, and carbon fiber tows are wound and collected.

Preferably, the bottom axis of the driving clamping block is movably mounted on the top end of the rotating shaft, the top of the driving clamping block is movably connected with the bottom of the tow limiting part, and by adopting the preferable scheme, the bottom of the tow limiting part is supported, so that the strength of the whole structure is improved.

Preferably, the tow limiting part comprises a tightening ring, the bottom of the tightening ring is fixedly connected with a non-closed circular ring, an inner tooth ring is movably mounted on the inner side of the non-closed circular ring, the inner side of the inner tooth ring is connected with a plurality of transmission gears in a meshed mode, and the inner tooth ring synchronously drives the transmission gears to rotate when rotating.

Preferably, the outside fixedly connected with torsion bar of ring gear, and the top of torsion bar and the bottom swing joint of tightening ring, a plurality of standing grooves have evenly been seted up to the bottom of ring gear, and through adopting this preferred scheme, the torsion bar is used for conveniently rotating ring gear.

Preferably, every equal movable mounting of inboard of standing groove has the flank of tooth pole, and the tooth of flank of tooth pole is connected with the meshing of drive gear's top tooth, and through adopting this preferred scheme, the standing groove supports and is spacing to the flank of tooth pole, avoids the flank of tooth pole to take place the dislocation when the displacement.

Preferably, the bottom fixed mounting who tightens up the plate of flank of tooth pole, and the inboard movable mounting who tightens up the plate has the soft ring of rubber, and through adopting this preferred scheme, the soft ring surface of rubber is softer, when avoiding can the soft ring extrusion carbon fiber silk bundle of rubber, causes the cracked condition of carbon fiber silk bundle.

Compared with the prior art, the invention has the advantages and positive effects that,

1. according to the invention, the torsion bar is twisted through the arranged tow limiting part, so that the internal gear ring part drives the plurality of transmission gears to rotate at the bottom of the tightening ring, and each tooth surface rod meshed and connected with each transmission gear carries the tightening plate at the top of the tooth surface rod and draws close to the axis of the tightening ring to extrude the rubber soft ring.

2. According to the invention, through the arrangement of the tow limiting part and the tow overturning part, the carbon fiber tows are easily positioned to the axis of the axis hole and overturned to the outer side of the tow collecting disc after being broken due to external force caused by factors such as vibration of collecting equipment in the collecting process of the carbon fiber tows, the broken carbon fiber tows can be quickly wound on the outer side of the tow collecting disc together with the broken carbon fiber tow end and the front-section carbon fiber tows, and the collecting work of the broken carbon fiber tows is greatly saved.

3. According to the invention, through the arranged tow overturning part, when the carbon fiber tows are shifted towards the inner side of the tow clamping groove of the tow overturning part, the elastic deformation recovery performance of the triangular cushion is utilized to block the outer channel of the carbon fiber tows, the carbon fiber tows are prevented from being shifted out again, after the limiting work between the carbon fiber tows and the tow overturning part is completed, the carbon fiber tows are dragged towards one side of the tow deflection groove to overturn the main rod, the carbon fiber tows can be shifted to the outer side of the tow collecting disc through the tow deflection groove, so that the tow collecting disc rotates, the carbon fiber tows can be wound on the outer side of the tow collecting disc to be collected, the carbon fiber tows only need to be manually placed in the axial hole of the tow collecting disc, and the situation that the collection efficiency is reduced or the carbon fiber ends are damaged due to the fact that the carbon fiber tow ends are manually taken to be fixed and limited is avoided.

4. According to the invention, through the magnetic attraction clamping pieces, after carbon fiber tows pass through the tow deflection grooves, magnets inside the two magnetic attraction clamping pieces are close to each other due to magnetic attraction, and a tow deflection groove channel is closed, so that the carbon fiber tows are prevented from being wound and collected at the initial stage of the carbon fiber tow collecting plate with the rotating tows, the carbon fiber tows are wound on the top end of the tow collecting plate due to the fact that the carbon fiber tows are pulled and shifted by external force, the failure condition of the carbon fiber tow collecting work is caused, and the success rate of the carbon fiber tow collecting work is greatly improved.

Drawings

FIG. 1 is a schematic perspective view of a carbon fiber tow take-up apparatus for carbon fiber production according to the present invention;

FIG. 2 is a schematic side view of a carbon fiber tow take-up apparatus for carbon fiber production according to the present invention;

FIG. 3 is a schematic top view of a carbon fiber tow take-up apparatus for carbon fiber production according to the present invention;

FIG. 4 is a schematic front view of a carbon fiber tow take-up apparatus for carbon fiber production according to the present invention;

FIG. 5 is a schematic structural view of a magnetic clamping member of a carbon fiber tow collecting device for carbon fiber production according to the present invention;

FIG. 6 is a schematic structural view of a tow overturning part of a carbon fiber tow collecting device for carbon fiber production according to the present invention;

FIG. 7 is a schematic view of a tow limiter of a carbon fiber tow take-up device for carbon fiber production according to the present invention viewed from below;

fig. 8 is a schematic view of a partial structure of a tow limiting member of a carbon fiber tow collecting device for carbon fiber production according to the present invention viewed from below.

Illustration of the drawings: 1. a tow take-up tray; 10. a shaft center hole; 11. a tow deflection channel; 2. a tow turnover member; 201. a main rod; 202. offsetting the shaft; 203. a tow clamping groove; 204. a triangular cushion; 3. a tow limiting part; 301. tightening the ring; 302. a torsion bar; 303. an internal gear ring; 304. a non-closed circular ring; 305. a transmission gear; 306. a rubber soft ring; 307. tightening the plate; 308. a toothed bar; 380. a placement groove; 4. driving the fixed ring member; 401. an outer ring member; 402. connecting clamping pieces; 403. a support bar; 404. driving the clamping block; 5. a rotating electric machine; 50. a rotating shaft; 6. a fixed base; 7. the clamping piece is magnetically attracted; 701. a housing member; 702. a movable groove; 703. a magnet; 704. and a limiting clamping block.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 8, the present invention provides a carbon fiber tow collecting device for carbon fiber production, including a tow collecting disc 1, a tow limiting member 3, a driving fixed ring member 4, a rotating motor 5 and a fixed base 6, wherein the outer side of the bottom of the tow collecting disc 1 is movably mounted with the top of the driving fixed ring member 4, and a rotating shaft 50 is inserted in the bottom axis of the driving fixed ring member 4, and the outer side of the bottom end of the rotating shaft 50 is movably mounted with the top axis of the rotating motor 5, so that the rotating motor 5 drives the driving fixed ring member 4 through the rotating shaft 50 to drive the tow collecting disc 1 to perform uniform rotating motion, so as to wind the carbon fiber tow around the outer side of the tow collecting disc 1, and the outer side of the bottom of the rotating motor 5 is fixedly mounted with the top axis of the fixed base 6, so as to limit the bottom of the rotating motor 5 and move down the center of gravity of the whole device, and the stability is improved.

The specific arrangement and function of the tow turning member 2 and the tow limiting member 3 will be described in detail below.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 6, a shaft center hole 10 is perforated at the shaft center of the tow collecting plate 1, and one side of the axial hole 10 is provided with a tow deflection groove 11 in a penetrating way, the tow collecting disc 1 is used for winding a matrix of the carbon fiber tows, so that the carbon fiber tows can be conveniently collected and fed, the inner side of the tow deflection groove 11 is movably provided with a tow overturning part 2, the tow overturning part 2 is used for clamping the carbon fiber tows, the carbon fiber tows are transferred from the inside of the axial hole 10 to the outer side of the tow collecting disc 1 to be wound and stored, the tow overturning part 2 comprises a main rod 201, one end of the main rod 201 is movably provided with an offset shaft 202, and the outside of the deviation shaft 202 and the inner side of the tow deviation groove 11 are movably installed, the other end of the main rod 201 is provided with a tow clamping groove 203, one end of the tow clamping groove 203 is symmetrically and fixedly provided with two triangular soft pads 204, and the right-angle ends of the two triangular soft pads 204 are positioned at the inner side of the tow clamping groove 203.

The whole tow overturning part 2 has the effects that the carbon fiber tows are placed through the axial center hole 10 of the tow collecting disc 1, after the carbon fiber tows are contracted by the tow limiting part 3, the carbon fiber tows are gradually extruded towards the axial center in the axial center hole 10, when the carbon fiber tows move to the axial center of the axial center hole 10, the carbon fiber tows are slightly dragged towards one side of the tow deflection groove 11, the carbon fiber tows can deflect towards the inner side of the tow clamping groove 203 of the tow overturning part 2, when the carbon fiber tows extrude between the two triangular cushions 204, the triangular cushions 204 are elastically deformed under the action of extrusion force, so that the carbon fiber tows enter the inner side of the tow clamping groove 203, the triangular cushions 204 recover the elastic deformation, an outer channel of the carbon fiber tows is blocked, the carbon fiber tows are prevented from being deflected again, and after the limiting work between the carbon fiber tows and the tow overturning part 2 is completed, then drag carbon fiber tow to 11 one sides of tow deflection groove and overturn mobile jib 201, or at tow upset piece 2 offset shaft 202 one end installation deflection motor, utilize deflection motor to overturn mobile jib 201, carbon fiber tow can be through tow deflection groove 11 squints to the outside that the dish 1 was collected to the tow, in order to utilize the tow to collect dish 1 rotatory time, twine carbon fiber tow in its outside, only need place carbon fiber tow in the axial bore 10 that the dish 1 was collected to the tow, can accomplish the spacing fixed to carbon fiber tow one end, avoided the artifical carbon fiber tow end of taking to fix spacing and reduce and collect efficiency.

As shown in fig. 1, 2, 3, 4, 7 and 8, the bottom of the axis of the tow collecting tray 1 is movably mounted on the top of a tow limiting member 3, the tow limiting member 3 is used for accurately moving the carbon fiber tow to the axis of the axis hole 10, so that one end of the tow overturning member 2 can firmly clamp the carbon fiber tow and perform overturning transfer, the tow limiting member 3 comprises a tightening ring 301, the bottom of the tightening ring 301 is fixedly connected with a non-closed ring 304, the inner side of the non-closed ring 304 is movably mounted with an inner gear ring member 303, the inner side of the inner gear ring member 303 is engaged and connected with a plurality of transmission gears 305, the outer side of the inner gear ring member 303 is fixedly connected with a torsion bar 302, the top of the torsion bar 302 is movably connected with the bottom of the tightening ring 301, the bottom of the inner gear ring member 303 is uniformly provided with a plurality of placing grooves 380, and the inner side of each placing groove 380 is movably mounted with a gear bar 308, and the teeth of the tooth surface rod 308 are engaged with the top teeth of the transmission gear 305, the bottom of the tooth surface rod 308 is fixedly provided with a tightening plate 307, and the inner side of the tightening plate 307 is movably provided with a soft rubber ring 306.

The whole tow limiting part 3 has the effects that after the carbon fiber tows are placed through the axle center hole 10, the torsion rod 302 can be twisted, so that the torsion rod 302 drives the plurality of transmission gears 305 to rotate at the bottom of the tightening ring 301 through the internal gear ring piece 303, and the tooth surface rod 308 meshed and connected with the top of each transmission gear 305 carries the tightening plate 307 at the top of the tooth surface rod to approach to the axle center of the tightening ring 301, and further the rubber soft ring 306 is extruded, so that the carbon fiber tow end at the axle center is clamped by the rubber soft ring 306 after being extruded and reduced, the carbon fiber tows can gradually approach to the axle center of the axle center hole 10 when being clamped by the rubber soft ring 306 which is gradually reduced, the fixing and limiting of the carbon fiber tows and the tow overturning part 2 are more convenient, the automatic limiting work of the carbon fiber tow end is completed, and the connection accuracy of the carbon fiber tow end and the collecting device is improved, thereby greatly improved the carbon fiber silk bundle and collected work efficiency, simultaneously, the carbon fiber silk bundle is collecting the in-process, very easily because of factors such as the vibration of collecting equipment, and receive external force after breaking, after the carbon fiber silk bundle fracture, also accessible silk bundle upset piece 2 and silk bundle locating part 3's cooperation, again rapidly with the outer side that dish 1 was collected to the silk bundle of winding jointly of cracked carbon fiber silk bundle end and anterior segment carbon fiber silk bundle.

Embodiment 2, on the basis of embodiment 1, two magnetic clamping pieces 7 are symmetrically and movably mounted on the outer side of a tow deflection groove 11, and are used for limiting a deflection angle wound on the outer side of a tow collecting disc 1 in an initial stage of carbon fiber tows, each of the two magnetic clamping pieces 7 comprises a shell 701, one end of the shell 701 is fixedly mounted on one side of the tow deflection groove 11, the other end of the shell 701 is fixedly mounted with a limiting clamping block 704, the inner side of the shell 701 is provided with a movable groove 702, the inner side of the movable groove 702 is movably mounted with a magnet 703, a driving fixed ring piece 4 comprises an outer ring piece 401 and a driving clamping block 404, the top of the outer ring piece 401 is uniformly and fixedly mounted with four connecting clamping pieces 402, the top ends of the four connecting clamping pieces 402 are respectively clamped with the bottom of the tow collecting disc 1, the inner side of the outer ring piece 401 is uniformly and fixedly mounted with a plurality of supporting rods 403, and one end of each supporting rod 403 is fixedly connected with the outer side of the driving clamping block 404, the bottom axis of the driving fixture block 404 is movably mounted with the top end of the rotating shaft 50, and the top of the driving fixture block 404 is movably connected with the bottom of the tow limiting piece 3, when the carbon fiber tows deviate towards the lower end through the tow deviation groove 11 and pass between the two magnetic clamping pieces 7, the magnets 703 inside the two magnetic clamping pieces 7 are pushed towards the side far away from the tow deviation groove 11 due to extrusion force, after the carbon fiber tows pass through the tow deflection groove 11, the magnets 703 inside the two magnetic clamping pieces 7 extend out of the movable groove 702 again due to the magnetic attraction to be close to each other, so as to block the tow deflection groove 11 and prevent the carbon fiber tows from being wound and collected with the rotating tow collecting plate 1 in the initial stage, the carbon fiber tow takes place self winding on its top through tow deflection groove 11 because of receiving external force to pull the excursion back, and the carbon fiber tow that leads to collects the condition of work failure, has promoted the carbon fiber tow and has collected the success rate of work.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.