CN213652763U

CN213652763U - Upper leather roller assembly for roving frame drafting mechanism

Info

Publication number: CN213652763U
Application number: CN202021761354.5U
Authority: CN
Inventors: 徐秀国
Original assignee: Qingdao Qizheng Machinery Manufacturing Co ltd
Current assignee: Qingdao Qizheng Machinery Manufacturing Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-07-09
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses an upper leather roller assembly that fly frame draft mechanism was used, including jackshaft and upper leather roller, the jackshaft is circular cross section's step shaft, and its mid portion's diameter is greater than the diameter of both ends portion. The leather rollers are three and are respectively a first leather roller, a second leather roller and a third leather roller, and the three leather rollers are sequentially arranged along the axial direction of the middle shaft. The upper leather roller comprises a ball bearing and an annular elastic layer, the inner ring of the ball bearing and the middle part of the stepped shaft are of an integrated structure, and the elastic layer is fixedly sleeved on the outer ring of the ball bearing. The elastic layer is of a cylindrical structure with an equal cross section, the thickness of the elastic layer at each position along the circumferential direction of the elastic layer is consistent, and the axis of the elastic layer coincides with the axis of the intermediate shaft. The utility model discloses an elastic layer that three ball bearing outer lane cover was established can independently rotate separately, cooperatees with the different three feeding roller of same epaxial rotational speed respectively, realizes the feeding of different speed, can spin out colorful big tripe yarn, big tripe ice island yarn and the various special varieties's such as the section yarn that gradually changes of roving frame.

Description

Upper leather roller assembly for roving frame drafting mechanism

Technical Field

The utility model relates to the technical field of textile machinery, concretely relates to last skin roller assembly that fly frame draft mechanism was used.

Background

The roving frame is a spinning machine for making fiber slivers into roving, and mainly plays a role in drafting and twisting, and the roving is wound into a certain package to meet the processing requirements of the spinning frame. The conventional roving frame can only quantitatively draft a single fiber strip or a plurality of fiber strips, and different fiber strips cannot be independently drafted when the plurality of fiber strips are drafted, namely different fiber strip drafting multiples are different, so that yarns of special varieties cannot be spun on the roving frame. The existing upper leather roller of the roving frame can only be adapted to the condition that one feeding roller feeds one fiber strip or a plurality of fiber strips synchronously, and can not be matched with the condition that a plurality of feeding rollers with different rotating speeds feed respectively. Therefore, further improvements are needed in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and the utility model aims to provide an upper roller assembly for a roving frame drafting mechanism, which solves the problem that the upper roller of the existing roving frame cannot be adapted to the different rotating speeds of a plurality of feeding rollers on the same shaft.

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

an upper leather roller assembly for a drafting mechanism of a roving frame comprises an intermediate shaft and a plurality of upper leather rollers which are sequentially arranged along the axial direction of the intermediate shaft.

The upper leather roller comprises a rotary supporting mechanism and an annular elastic layer, the inner side of the rotary supporting mechanism is fixedly sleeved on the intermediate shaft, and the elastic layer is fixedly sleeved on the annular outer surface of the rotary supporting mechanism.

Further, the intermediate shaft is a stepped shaft with a circular cross section, and the diameter of the middle part of the intermediate shaft is larger than that of the two end parts.

Furthermore, the rotary supporting mechanism is a ball bearing, the inner ring of the ball bearing and the middle part of the stepped shaft are of an integrated structure, and the elastic layer is fixedly sleeved on the outer ring of the ball bearing.

Further, there are three upper leather-covered rollers, which are respectively a first upper leather-covered roller, a second upper leather-covered roller and a third upper leather-covered roller.

The three leather-coating rollers are all installed on the middle part of the intermediate shaft and are sequentially arranged at equal intervals along the axis of the intermediate shaft.

Furthermore, the elastic layer is of a cylindrical structure with a uniform cross section, the thickness of the elastic layer at each position along the circumferential direction of the elastic layer is consistent, and the axis of the elastic layer is overlapped with the axis of the intermediate shaft.

Further, the elastic layer is made of rubber.

By adopting the technical scheme, the utility model discloses a beneficial technological effect is: the utility model discloses arrange three ball bearing on the center pin, the elastic layer that the outer lane cover was established can independently rotate separately, cooperate with the different three feeding roller of the epaxial rotational speed of identity respectively, realize the feeding of different speeds, can spin out the yarn of multiple special varieties such as colorful big tripe yarn, big tripe iceland yarn and the various gradual change yarn of section on the fly frame.

Drawings

Fig. 1 is a schematic structural diagram of an upper belt roller assembly for a drafting mechanism of a roving frame according to the present invention.

Fig. 2 is a schematic side view of the upper skin roller assembly for the drafting mechanism of the roving frame of the present invention.

Detailed Description

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

with reference to fig. 1 and 2, the upper leather roller assembly for the drafting mechanism of the roving frame comprises an intermediate shaft 1 and an upper leather roller 2, wherein the intermediate shaft 1 is a stepped shaft with a circular cross section, the diameter of a middle part 11 of the intermediate shaft 1 is larger than the diameter of two end parts 12 of the intermediate shaft, the intermediate shaft 1 is a straight shaft, and the two end parts 12 and the middle part 11 are of a coaxial integrated structure. The number of the upper leather-covered rollers 2 is three, and the three upper leather-covered rollers 2 are respectively a first upper leather-covered roller, a second upper leather-covered roller and a third upper leather-covered roller. The three leather-covered rollers 2 are all arranged on the middle part of the intermediate shaft 1 and are arranged at equal intervals along the axis of the intermediate shaft 1 in turn.

The upper leather roller 2 comprises a rotary supporting mechanism and an annular elastic layer 3, and the inner side of the rotary supporting mechanism and the intermediate shaft 1 are of an integral structure. Specifically, the rotary support mechanism is a ball bearing 4, the inner ring 41 of the ball bearing 4 and the middle part 11 of the stepped shaft are of a coaxial integral structure, and the elastic layer 3 is fixedly sleeved on the outer ring 42 of the ball bearing 4. The inner ring 41 of the ball bearing 4 is fixed with the intermediate shaft 1, the outer ring 42 of the ball bearing 4 can rotate around the axis of the intermediate shaft 1 in the forward direction or the reverse direction, and the outer rings 42 of the three ball bearings 4 rotate independently.

The elastic layer 3 is fixedly sleeved on the annular outer surface of the rotary supporting mechanism. Specifically, the elastic layer 3 is made of rubber, the elastic layer 3 is a cylindrical structure with a uniform cross section, and two ends of the elastic layer 3 are planes perpendicular to the axis of the elastic layer. The thicknesses of the elastic layers 3 at all positions along the circumferential direction are consistent, the axis of each elastic layer 3 is overlapped with the axis of the intermediate shaft 1, the inner sides of the elastic layers 3 are fixedly bonded with the outer rings 42 of the ball bearings 4, and the outer rings 42 of the elastic layers 3 and the elastic layers are connected with each other to rotate around the axis of the intermediate shaft 1.

The upper leather roller assembly is arranged on a cradle of the roving frame, two end parts 12 of the intermediate shaft 1 are detachably and fixedly connected with the cradle, a first roller transmission shaft, a second roller transmission shaft and a third roller transmission shaft are sequentially arranged below the cradle from front to back, and the rotating speeds of the three pull transmission shafts are respectively controlled by independent motors. The three rollers are arranged on the transmission shaft of the roller at equal intervals along the axis of the transmission shaft of the roller and correspond to the three upper leather rollers above the transmission shaft of the roller one by one, and the three rollers are all feeding rollers.

The roller located in the middle is fixedly connected with a roller transmission shaft and synchronously rotates, the rollers located on two sides are in running fit with the roller transmission shaft, one side, away from the two rollers located on two sides, is respectively fixed with a synchronous belt wheel, each synchronous belt wheel is respectively connected with a roller driving shaft through a synchronous belt, and the two rollers located on two sides respectively independently rotate relative to the roller transmission shaft.

Each upper leather roller is contacted with the corresponding roller respectively, each roller drives the corresponding upper leather roller to rotate, the upper leather rollers and the corresponding rollers are in static friction, the three fiber strips respectively pass through the three rollers and the corresponding upper leather rollers, different conveying speeds of the three fiber strips are realized by controlling the rotating speed of the three rollers, and the three upper leather rollers keep pressing the fiber strips on the three rollers and are matched with the rollers to rotate.

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

1. An upper leather roller assembly for a drafting mechanism of a roving frame comprises an intermediate shaft and a plurality of upper leather rollers, and is characterized in that the plurality of the leather rollers are sequentially arranged along the axial direction of the intermediate shaft;

2. The upper roller assembly for a drafting mechanism of a roving frame as claimed in claim 1, wherein the intermediate shaft is a stepped shaft having a circular cross section, and the diameter of the intermediate portion is larger than the diameters of the both end portions.

3. The upper belt roller assembly for the drafting mechanism of the roving frame as claimed in claim 2, wherein the rotary supporting mechanism is a ball bearing, the inner ring of the ball bearing and the middle portion of the stepped shaft are integrally formed, and the elastic layer is fixedly sleeved on the outer ring of the ball bearing.

4. The upper leather roller assembly for the drafting mechanism of the roving frame as claimed in claim 2, wherein there are three upper leather rollers, which are a first upper leather roller, a second upper leather roller and a third upper leather roller;

5. The upper belt roller assembly for a drafting mechanism of a roving frame as claimed in claim 1, wherein the elastic layer has a cylindrical structure with a uniform cross section, the thickness of the elastic layer is uniform at each position along the circumferential direction, and the axis of the elastic layer coincides with the axis of the intermediate shaft.

6. The upper roller assembly for a drafting mechanism of a roving frame as claimed in claim 1, wherein the elastic layer is made of rubber.