CN214830867U - Drafting structure of roving frame for hybrid spinning - Google Patents

Abstract

The utility model discloses a mix drafting structure of fly frame for spinning, including roller frame and cradle, the roller frame has two, controls relative interval arrangement, and two roller frames pass through the cradle nodal axis and fix and link to each other, and the cradle is established on the cradle nodal axis. Four rollers are arranged between the two roller frames. The bottom of the cradle is sequentially provided with a first epithelial roller set, a second epithelial roller set, a third epithelial roller set and a fourth epithelial roller set from front to back, and the four epithelial roller sets are respectively matched with the four rollers in a one-to-one correspondence mode. Each upper leather roller group comprises two upper leather rollers, the two upper leather rollers of the third upper leather roller group are provided with first annular grooves, the two upper leather rollers of the fourth upper leather roller group are provided with second annular grooves, and the second annular grooves are arranged in a staggered mode with the first annular grooves corresponding to the front sides of the second upper leather roller groups. The utility model discloses a draft structure, feeding multiunit fibre simultaneously carries out compound draft, spins the compound colored yarn of multiunit, through control feeding speed, can realize the arbitrary change of composition ratio, fibre misce bene, compound effect is splendid.

Description

Drafting structure of roving frame for hybrid spinning

Technical Field

The utility model relates to a spinning machine technical field, concretely relates to draw structure of fly frame for hybrid spinning.

Background

The drafting mechanism of the existing common roving frame can only draft a group of fibers, the composite drafting of a plurality of groups of fibers can not be realized, and the drafting mechanism for roving has a single structure and can not form colorful roving. Or feeding roving during fiber drafting to form colorful roving, but the mode can cause uneven fiber mixing and poor compounding effect. Thus, further improvements and enhancements are needed in the art.

SUMMERY OF THE UTILITY MODEL

Not enough to above-mentioned prior art, the utility model aims to provide a draft structure of fly frame for hybrid spinning solves the draft mechanism single structure of current fly frame, can't realize the compound draft of multiunit fibre, and the fibre mixes inhomogeneously, and compound effect is very poor problem.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the drafting structure of roving frame for mixed spinning includes two roller frames and cradle, and the two roller frames are oppositely arranged in left and right interval, and between the two roller frames there are four rollers, including one roller, two rollers, three rollers and four rollers successively.

The bottom of the cradle is sequentially provided with a first epithelial roller set, a second epithelial roller set, a third epithelial roller set and a fourth epithelial roller set from front to back, and the first epithelial roller set, the second epithelial roller set, the third epithelial roller set and the fourth epithelial roller set are respectively matched with the four rollers in a one-to-one correspondence mode.

Each upper leather roller set comprises two upper leather rollers, the two upper leather rollers of the third upper leather roller set are provided with first annular grooves which are formed along the circumferential direction of the third upper leather roller set, the two upper leather rollers of the fourth upper leather roller set are provided with second annular grooves which are formed along the circumferential direction of the fourth upper leather roller set, and the second annular grooves are arranged in a staggered mode with the first annular grooves corresponding to the front sides of the second annular grooves.

Furthermore, one roller is in running fit with the front ends of the two roller frames through bearings, three roller seats are fixedly arranged at the top of each roller frame at intervals, and the other three rollers are in running fit with the corresponding roller seats through bearings respectively.

Furthermore, the rear ends of the two roller frames are fixedly connected through a rocking frame joint shaft, and the rear ends of the rocking frames are fixedly arranged on the rocking frame joint shaft.

Furthermore, a connecting seat is fixedly installed at the top of the roller frame, the cradle joint shaft is positioned at the rear side of the four rollers, and two ends of the cradle joint shaft are fixedly connected with the connecting seat respectively.

Further, two leather-coating rollers are arranged on two sides of the cradle through fixing shafts, and the fixing shafts are detachably and fixedly matched with the bottom of the cradle.

The two upper leather rollers are positioned at the two ends of the fixed shaft and are coaxially and rotationally matched with the end part of the fixed shaft.

Further, the first annular groove is located at one end, close to each other, of the two upper leather rollers of the third upper leather roller group, and the second annular groove is located at one end, far away from each other, of the two upper leather rollers of the fourth upper leather roller group.

Furthermore, buncher supports are respectively arranged at the rear sides of the two rollers, the three rollers and the four rollers in an adjacent mode, and two ends of each buncher support are respectively fixedly connected with the corresponding roller seats.

The buncher support is provided with a buncher which is provided with a yarn passing channel which is communicated with the front and the back.

Furthermore, an upper pin is arranged between the first and second upper leather roller sets, and an upper leather ring is sleeved on the outer side of the upper pin and the outer side of the upper leather roller of the second upper leather roller set.

A lower pin is arranged between the first roller and the second roller, a lower leather collar is sleeved on the outer sides of the lower pin and the second roller, and the second roller drives the lower leather collar to move.

By adopting the technical scheme, the utility model discloses a beneficial technological effect is: the utility model discloses a draft structure can feed multiunit fibre simultaneously and carry out compound draft, spins the compound colored yarn of multiunit, through control feeding speed, can realize the arbitrary change of composition ratio, fibre misce bene, and compound effect is splendid.

Drawings

Fig. 1 is a schematic structural diagram of a drafting structure of a roving frame for hybrid spinning according to the present invention.

Fig. 2 is a schematic diagram of a drafting structure of the roving frame for hybrid spinning according to the present invention in a right view.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

with reference to fig. 1 and 2, the drafting structure of the roving frame for hybrid spinning comprises two roller frames 1 and a cradle 2, wherein the two roller frames 1 are oppositely arranged at intervals left and right, and the bottoms of the two roller frames 1 are fixedly mounted on a frame of the roving frame through bolts.

Four rollers are arranged between the two roller frames 1 at intervals in parallel, and a first roller 31, a second roller 32, a third roller 33 and a fourth roller 34 are arranged in sequence from front to back. One roller 31 is in running fit with the front ends of the two roller frames 1 through bearings, three roller seats are fixedly arranged at the top of each roller frame 1 at intervals, and the other three rollers are in running fit with the corresponding roller seats through bearings respectively. A main drafting area for yarns is formed between the first roller 31 and the second roller 32, and a pre-drafting area for yarns is formed between the second roller 32 and the fourth roller 34.

Buncher supports 51 are respectively arranged at the rear sides of the two rollers 32, the three rollers 33 and the four rollers 34 in an adjacent mode, and two ends of each buncher support 51 are respectively fixedly connected with corresponding roller bases. The buncher support 51 is provided with bunchers 5 which are equal in number and correspond to the upper leather rollers adjacent to the front side of the buncher support, each buncher 5 is provided with a yarn passing channel which is communicated from front to back, each yarn passing channel is of a horn mouth structure with a narrow front part and a wide back part, yarns pass through the yarn passing channels of the bunchers 5 from back to front, and the bunchers 5 have a gathering effect on the yarns and guarantee that the yarns are in a gathering and bunching state when entering a drafting zone.

The rear ends of the two roller frames 1 are fixedly connected through a rocking frame joint shaft 21, and the rear ends of the rocking frames 2 are fixedly arranged on the rocking frame joint shaft 21. The top of the roller frame 1 is fixedly provided with a connecting seat 22, the cradle pitch axis 21 is positioned at the rear side of the four-roller 34, and the two ends of the cradle pitch axis are respectively fixedly connected with the connecting seat 22. The rear end of the cradle 2 is fixed on the cradle joint shaft 21 in a sleeved mode, the cradle arm is located above the four rollers, the rear end of the cradle arm is rotationally connected with the fixed part of the cradle 2 and is provided with a torsion spring, and the torsion spring keeps an upper leather roller on the cradle arm to be pressed on the corresponding roller to form holding force for yarns.

The bottom of the cradle 2 is sequentially provided with a first epithelial roller set 41, a second epithelial roller set 42, a third epithelial roller set 43 and a fourth epithelial roller set 44 from front to back, and the first epithelial roller set 41, the second epithelial roller set 42, the third epithelial roller set 43 and the fourth epithelial roller set 44 are respectively matched with the first roller 31, the second roller 32, the third roller 33 and the fourth roller 34 in a one-to-one correspondence manner.

The first upper leather roller group 41, the second upper leather roller group 42, the third upper leather roller group 43 and the fourth upper leather roller group 44 all comprise two upper leather rollers 411, the two upper leather rollers 411 are arranged on two sides of the cradle 2 through fixing shafts, and the fixing shafts are detachably and fixedly matched with the bottom of the cradle 2. The two upper leather rollers are respectively positioned at two ends of the fixed shaft and are coaxially and rotationally matched with the end part of the fixed shaft.

The two top rollers 411 of the third top roller group 43 have first annular grooves 431 formed along the circumferential direction thereof, the two top rollers 411 of the fourth top roller group 44 have second annular grooves 441 formed along the circumferential direction thereof, and the second annular grooves 441 are arranged offset from the first annular grooves 431 corresponding to the front side thereof. The first ring groove 431 is located at an end of the third upper roll group 43 where the two upper rolls are close to each other, and the second ring groove 441 is located at an end of the fourth upper roll group 44 where the two upper rolls are far from each other.

An upper pin is arranged between the first and second upper leather roller groups 42, and an upper leather ring is sleeved outside the upper pin and the upper leather roller of the second upper leather roller group 42. A lower pin is arranged between the first roller 31 and the second roller 32, a lower leather collar is sleeved on the outer side of the lower pin and the second roller 32, and the second roller 32 drives the lower leather collar to move.

The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims (8)

1. A drafting structure of a roving frame for hybrid spinning is characterized by comprising two roller frames and a cradle, wherein the two roller frames are oppositely arranged at intervals left and right, four rollers are arranged between the two roller frames, and a first roller, a second roller, a third roller and a fourth roller are sequentially arranged from front to back;

the bottom of the cradle is sequentially provided with a first epithelial roller set, a second epithelial roller set, a third epithelial roller set and a fourth epithelial roller set from front to back, and the first epithelial roller set, the second epithelial roller set, the third epithelial roller set and the fourth epithelial roller set are respectively matched with the four rollers in a one-to-one correspondence manner;

each upper leather roller set comprises two upper leather rollers, the two upper leather rollers of the third upper leather roller set are provided with first annular grooves which are formed along the circumferential direction of the third upper leather roller set, the two upper leather rollers of the fourth upper leather roller set are provided with second annular grooves which are formed along the circumferential direction of the fourth upper leather roller set, and the second annular grooves are arranged in a staggered mode with the first annular grooves corresponding to the front sides of the second annular grooves.

2. The drafting structure of the roving frame for hybrid spinning according to claim 1, wherein one roller is rotatably engaged with the front ends of two roller frames through a bearing, three roller bases are fixedly provided at intervals on the top of each roller frame, and the other three rollers are rotatably engaged with the corresponding roller bases through bearings, respectively.

3. A drafting structure of a roving frame for hybrid spinning according to claim 1, wherein the rear ends of the two roller frames are fixedly connected by a cradle pitch shaft, and the rear ends of the cradle are fixedly provided on the cradle pitch shaft.

4. A drafting structure of a roving frame for hybrid spinning according to claim 1, wherein the top of the roller frame is fixedly installed with a connecting seat, the cradle pitch shaft is located at the rear side of the four rollers, and both ends thereof are fixedly connected with the connecting seat, respectively.

5. A drafting structure of a roving frame for hybrid spinning according to claim 1, wherein the two top rollers are provided at both sides of the cradle by a fixed shaft, and the fixed shaft is detachably and fixedly engaged with the bottom of the cradle;

the two upper leather rollers are positioned at the two ends of the fixed shaft and are coaxially and rotationally matched with the end part of the fixed shaft.

6. A drafting structure of a roving frame for hybrid spinning according to claim 1, wherein the first ring groove is provided at an end where the two top rollers of the third top roller group are close to each other, and the second ring groove is provided at an end where the two top rollers of the fourth top roller group are far from each other.

7. The drafting structure of the roving frame for hybrid spinning according to claim 2, wherein buncher supports are respectively provided at the rear sides of the two rollers, the three rollers and the four rollers, which are adjacent to each other, and both ends of each buncher support are respectively fixedly connected to the corresponding roller bases;

the buncher support is provided with a buncher which is provided with a yarn passing channel which is communicated with the front and the back.

8. The draft structure of a roving frame for hybrid spinning according to claim 1, wherein an upper pin is provided between the first and second upper roller sets, and an upper apron is fitted over the upper pin and the outer side of the upper roller of the second upper roller set;

a lower pin is arranged between the first roller and the second roller, a lower leather collar is sleeved on the outer sides of the lower pin and the second roller, and the second roller drives the lower leather collar to move.

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