CN219363942U - Roller structure for circular loom - Google Patents

Abstract

The utility model discloses a roller structure for a circular loom, which comprises a mandrel, wherein a roller body is sleeved outside the mandrel, two shaft sleeves are sleeved outside the roller body, and the shaft sleeves are respectively positioned at the upper end and the lower end of the roller body. The roller body and the shaft sleeve can improve the stability of the roller body and the shaft sleeve during rotation, reduce the noise generated by the left and right shaking of the shaft sleeve due to uneven thickness of the shaft sleeve, and are respectively provided with the shaft sleeve from the outside, thereby being beneficial to the release of the heat of the shaft sleeve and the heat dissipation of the shaft sleeve.

Description

Roller structure for circular loom

Technical Field

The utility model relates to a circular loom accessory, in particular to a roller structure for a circular loom.

Background

Circular knitting machines are industrial equipment for knitting cylindrical fabrics, and when the circular knitting machines work, knitting threads are interwoven into knitting bags through rotation of shuttles. The circumference of the circular loom is provided with a plurality of rollers which are circumferentially distributed, the surfaces of the rollers are sleeved with shaft sleeves, and the shuttle can rub with the shaft sleeves and drive the shaft sleeves and the balls to rotate in the rotating process.

Most of roller structures of the existing circular weaving machines are provided with a whole shaft sleeve directly on the surface of a roller. For example, chinese patent publication No. CN208995666U discloses a plastic circular knitting machine door ring assembly, which is provided with a drum on a mandrel of a circular knitting machine, and a sleeve which is provided with a whole piece almost entirely covering the drum on the outside of the drum. During operation, the temperature of the shaft sleeve is gradually increased due to long-time friction between the shuttle and the shaft sleeve, the shaft sleeve is generally made of rubber, the shaft sleeve is gradually softened after the temperature is increased, and the shaft sleeve is possibly sagged and deformed under the influence of the pressure and the gravity of the shuttle, so that the thickness of each part of the shaft sleeve is different, shaking occurs in the rotating process, and the stability of the working process is not ideal.

Disclosure of Invention

The utility model aims to provide a roller structure for a circular loom. The utility model can improve the stability of the roller body and the shaft sleeve during rotation, reduce noise generated during operation, and is also beneficial to heat dissipation of the shaft sleeve.

The technical scheme of the utility model is as follows: the roller structure for the circular loom comprises a mandrel, wherein a roller body is sleeved outside the mandrel, two shaft sleeves are sleeved outside the roller body, and the shaft sleeves are respectively positioned at the upper end and the lower end of the roller body.

In the roller structure for the circular knitting machine, the bearings are arranged at the end parts of the two sides of the mandrel, and the end surfaces of the two sides of the roller body are rotationally connected with the mandrel through the bearings.

In the roller structure for the circular knitting machine, the two side end parts of the mandrel are respectively sleeved with the upper dust cover and the lower dust cover, and the upper dust cover and the lower dust cover are respectively positioned on two sides of the two bearings.

In the roller structure for the circular loom, the length of the shaft sleeve is 80-100mm.

In the roller structure for the circular loom, the distance between the two shaft sleeves is 30-40mm.

In the roller structure for the circular knitting machine, the outer diameter of the roller body is 22-27mm.

In the roller structure for the circular loom, the diameter of the mandrel is 17-21mm.

In the roller structure for the circular loom, the thickness of the shaft sleeve is 2-3mm.

Compared with the prior art, the utility model has the following beneficial effects:

1. in the utility model, the outer part of the roller body is sleeved with two shaft sleeves, the shaft sleeves are respectively positioned at the upper end and the lower end of the roller body, and the upper end and the lower end of the shuttle are respectively contacted with the surfaces of the two shaft sleeves. During the rotation of the shuttle, the shuttle can rub against the shaft sleeve and drive the roller body to rotate. After the shuttle rubs with the sleeve for a long time, the temperature of the sleeve increases, so that the sleeve made of rubber becomes soft. Because be provided with two axle sleeves on the roller body to the axle sleeve is located the upper and lower both ends of roller body respectively, and the shuttle rotates the pressure that produces the axle sleeve and can be born respectively by two axle sleeves, can not concentrate and act on a axle sleeve surface, and reserve sufficient space that allows the axle sleeve to receive extrusion and little deformation after softening between two axle sleeves, the volume and the weight of two axle sleeves self are also less, receive gravity influence and the degree of sagging also less after softening, namely the thickness of each part of every axle sleeve is also more even, can improve the stability of axle sleeve and roller body pivoted when the shuttle rotates through above-mentioned design, can also reduce the noise that rocks about because of axle sleeve thickness uneven and produce. From outside, set up the axle sleeve respectively at the both ends of roller body, also help the release of axle sleeve self heat, be favorable to the heat dissipation of axle sleeve.

2. In the utility model, the end parts of two sides of the mandrel are respectively sleeved with an upper dust cover and a lower dust cover, and the upper dust cover and the lower dust cover are respectively positioned at two sides of two bearings. The upper dust cover and the lower dust cover are arranged to prevent dust from entering the connection part between the bearing and the mandrel to a certain extent, so that the occurrence of the jamming condition is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic view showing the assembly of the roller body and the sleeve according to the present utility model.

The marks in the drawings are: 1-a frame; 2-a mandrel; 201-thread segments; 3-roller bodies; 4-shaft sleeve; 5-bearing; 6-a lower dust cap; 7-shuttle; 8-shuttle wheel; 9-upper dust cap; 10-nut.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

Examples: the roller structure for the circular loom is arranged on the circular loom, as shown in figure 1, the circular loom comprises a frame 1, a shuttle 7 is arranged on the side part of the frame 1, a shuttle wheel 8 is rotatably connected to the shuttle 7 through a rotating shaft, a planar runway is arranged on the frame 1, and the shuttle wheel 8 is positioned in the planar runway. When the circular loom works, the shuttle 7 rotates and drives the shuttle wheel 8 to roll in the plane runway.

Each circular loom is provided with a plurality of roller structures distributed in the circumferential direction, each roller structure comprises a mandrel 2 arranged on a frame 1, the diameter of each mandrel 2 is 17-21mm, both ends of each mandrel 2 are provided with thread sections 201, and both ends of each mandrel 2 are fixed on the frame 1 through nuts 10; the outside of the mandrel 2 is sleeved with a roller body 3, and the outer diameter of the roller body 3 is 22-27mm. The two side end parts of the mandrel 2 are respectively provided with a bearing 5, the two side end surfaces of the roller body 3 are rotatably connected with the mandrel 2 through the bearings 5, specifically, the inner ring of the bearings 5 is connected with the surface of the mandrel 2, and the outer ring of the bearings 5 is connected with the end surfaces of the roller body 3, so that the roller body 3 can rotate on the mandrel 2. The both sides tip of dabber 2 is overlapped respectively and is equipped with shield 9 and lower shield 6, and shield 9 and lower shield 6 are located the both sides of two bearings 5 respectively, set up shield 9 and lower shield 6 and can prevent to a certain extent that the dust from entering into the junction between bearing 5 and the dabber 2 to reduce the condition of card and stop appears. As shown in fig. 2, the roller body 3 is externally sleeved with two shaft sleeves 4, the shaft sleeves 4 are made of rubber, the length of each shaft sleeve 4 is 80-100mm, the distance between the two shaft sleeves 4 is 30-40mm, specifically, in practical application, the inner diameter of each shaft sleeve 4 is adapted to the outer diameter size of the roller body 3, that is, after the outer diameter size of the roller body 3 is determined, the inner diameter of each shaft sleeve 4 is correspondingly determined, and the thickness of each shaft sleeve 4 is 2-3mm. The shaft sleeves 4 are respectively positioned at the upper end and the lower end of the roller body 3, and the two shaft sleeves 4 are respectively opposite to the two shuttle wheels 8; the upper and lower ends of the shuttle 7 are respectively contacted with the surfaces of the two shaft sleeves 4.

Working principle: during rotation, the shuttle 7 will rub against the sleeve 4 and drive the roller body 3 to rotate. After the shuttle 7 has rubbed against the sleeve 4 for a long time, the temperature of the sleeve 4 increases, so that the sleeve 4 made of rubber becomes soft. Because the roller body 3 is provided with two shaft sleeves 4, the shaft sleeves 4 are respectively positioned at the upper end part and the lower end part of the roller body 3, the pressure generated by the rotation of the shuttle 7 to the shaft sleeves 4 can be respectively borne by the two shaft sleeves 4 and can not be concentrated on the surface of one shaft sleeve 4, enough space which allows the shaft sleeves 4 to be extruded and slightly deformed after being softened is reserved between the two shaft sleeves 4, the volume and the weight of the two shaft sleeves 4 are smaller, the sagging degree caused by the influence of gravity after being softened is smaller, namely the thickness of each part of each shaft sleeve 4 is more uniform, the rotation stability of the shaft sleeves 4 and the roller body 3 can be improved when the shuttle 7 rotates through the design, and the noise generated by left and right shaking due to uneven thickness of the shaft sleeves 4 can be reduced. From outside, set up axle sleeve 4 respectively at the both ends of roller body 3, also help the release of axle sleeve 4 self heat, be favorable to the heat dissipation of axle sleeve 4.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the scope of the claims of the present utility model should be included in the scope of the present utility model.

Claims (8)

1. Roller structure for circular knitting machine, its characterized in that: the novel roller comprises a mandrel (2), wherein a roller body (3) is sleeved outside the mandrel (2), two shaft sleeves (4) are sleeved outside the roller body (3), and the shaft sleeves (4) are respectively positioned at the upper end and the lower end of the roller body (3).

2. The roller structure for a circular loom according to claim 1, wherein: the two side end parts of the mandrel (2) are respectively provided with a bearing (5), and the two side end surfaces of the roller body (3) are rotationally connected with the mandrel (2) through the bearings (5).

3. The roller structure for a circular loom according to claim 2, characterized in that: the two side end parts of the mandrel (2) are respectively sleeved with an upper dust cover (9) and a lower dust cover (6), and the upper dust cover (9) and the lower dust cover (6) are respectively positioned on two sides of the two bearings (5).

4. The roller structure for a circular loom according to claim 1, wherein: the length of the shaft sleeve (4) is 80-100mm.

5. The roller structure for a circular loom according to claim 1, wherein: the distance between the two shaft sleeves (4) is 30-40mm.

6. The roller structure for a circular loom according to claim 1, wherein: the outer diameter of the roller body (3) is 22-27mm.

7. The roller structure for a circular loom according to claim 1, wherein: the diameter of the mandrel (2) is 17-21mm.

8. The roller structure for a circular loom according to claim 1, wherein: the thickness of the shaft sleeve (4) is 2-3mm.