CN212451791U

CN212451791U - Special supporting device for brush shaft of A201 series combing machine

Info

Publication number: CN212451791U
Application number: CN202021777707.0U
Authority: CN
Inventors: 宋文文
Original assignee: Anhui Huamao Textile Co Ltd
Current assignee: Anhui Huamao Textile Co Ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-02-02
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a special supporting device for a brush shaft of an A201 series combing machine, which comprises a plurality of bearing seats arranged on a frame in parallel, wherein each bearing seat comprises a seat tail which is used for being connected with the frame, the front end of the seat tail is bent upwards to form a lower base, and the special supporting device also comprises an upper cover seat matched with the lower base, a shaft hole is milled and dug between the lower base and the upper cover seat, bolt holes are arranged on the lower base and the upper cover seat at the two sides of the shaft hole, and the lower base and the upper cover seat are connected into a whole through inner hexagon bolts in the bolt holes; the novel brush roller bearing is characterized in that needle roller bearings with inner sleeves are arranged in the shaft holes, the novel brush roller bearing further comprises a brush shaft arranged among the needle roller bearings, and the inner sleeves of the needle roller bearings are sleeved on the brush shaft. The device can ensure the smooth rotation of the brush shaft and effectively reduce the abrasion of the brush shaft of the combing machine.

Description

Special supporting device for brush shaft of A201 series combing machine

Technical Field

The utility model relates to a combing machine, concretely relates to A201 series combing machine brush axle.

Background

The main task of the combing machine is to remove short fibers with a certain length in the sliver, improve the uniformity of the fiber length, improve the yarn forming strength and reduce the strength CV%; secondly, the residual neps, impurities and defects in the raw sliver are further removed, the smoothness of the fiber is improved, and the appearance quality of the finished yarn is improved; and thirdly, the fibers are further separated, the straightening and parallelism of the fibers are improved, the drafting control in the yarn forming process is facilitated, the evenness and the strength of the finished yarn are improved, and the luster of the finished yarn is enhanced.

The carding mechanism of the combing machine is provided with a cylinder and a top comb, and after the cylinder of the main carding mechanism combs cotton clumps, short fibers and impurities on the cylinder are cleaned by utilizing high-speed rotation of a brush, so that the cylinder can conveniently carry out carding movement of the next working cycle.

When the brush shaft rotates at a high speed, the rotating speed reaches 1200r/min, and after the brush shaft is used for a period of time, the phenomenon that a bearing matched with the brush shaft is abraded (especially a bearing close to one end of a transmission belt pulley of the brush shaft) often occurs, so that the abrasion and even the scrapping of the brush shaft can be caused seriously.

Disclosure of Invention

The utility model aims to solve the technical problem that a special supporting arrangement of A201 series comber brush axle is provided, can guarantee that the brush axle gyration is smooth and easy to can effectively reduce comber brush axle wearing and tearing.

In order to solve the technical problem, the special supporting device for the brush shaft of the A201 series comber comprises a plurality of bearing seats which are arranged on a frame in parallel, wherein each bearing seat comprises a seat tail and is used for being connected with the frame, the front end of each seat tail is bent upwards to form a lower base, the special supporting device also comprises an upper cover seat matched with the lower base, a shaft hole is milled and dug between the lower base and the upper cover seat, bolt holes are formed in the lower base and the upper cover seat on two sides of the shaft hole, and the lower base and the upper cover seat are connected into a whole through inner hexagon bolts in the bolt holes; the novel brush roller bearing is characterized in that needle roller bearings with inner sleeves are arranged in the shaft holes, the novel brush roller bearing further comprises a brush shaft arranged among the needle roller bearings, and the inner sleeves of the needle roller bearings are sleeved on the brush shaft.

And the top of the upper cover seat is provided with an oil filling hole matched with the shaft hole.

And a bearing mounting groove with a circular cross section is milled and dug in the middle of the shaft hole, and the diameter of the bearing mounting groove is larger than that of the shaft hole.

The utility model discloses utilize the rotation characteristics of in-band cover needle bearing, the bearing rotates direct action and sheathes in at supporting endotheca, and the endotheca suit is epaxial at the brush, and the bearing motion piece does not take place the contact with the brush axle, and the hardness and the intensity phase-match of bearing and endotheca have greatly reduced the friction loss between kingpin and endotheca, the fine protection brush axle simultaneously. The abrasion of the brush shaft of the combing machine is effectively reduced while the smooth rotation of the brush shaft is ensured.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a bearing seat of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a sectional view taken along line A-A of FIG. 2 in the second embodiment.

Detailed Description

The following describes the present invention with reference to the accompanying drawings.

Example one

As can be seen from fig. 1, 2 and 3, the special supporting device for a brush shaft of a201 series combing machine of the present invention comprises a plurality of bearing seats 1 arranged in parallel on a frame, the bearing seats comprise seat tails 11 for connecting with the frame, the front ends of the seat tails 11 are bent upwards to form lower bases 12, and further comprise upper cover bases 13 matched with the lower bases 12, shaft holes 14 are milled between the lower bases 12 and the upper cover bases 13, bolt holes are arranged on the lower bases 12 and the upper cover bases 13 at two sides of the shaft holes 14, and the lower bases 12 and the upper cover bases 13 are connected into a whole through hexagon socket head bolts in the bolt holes 16; the shaft hole 14 is internally provided with needle roller bearings 2 with inner sleeves 20, and further comprises a brush shaft 3 arranged among the needle roller bearings 2, and the inner sleeves 20 of the needle roller bearings 2 are sleeved on the brush shaft 3.

The top of the upper cover seat 13 is provided with a fuel filling hole 15 matched with the shaft hole 14.

The utility model discloses the during operation, bearing frame 1 is connected with the frame through seat tail 11, and the end of seat tail 11 is provided with supplementary fixing device 17, bolted connection further improves the fastening effect between supplementary fixing device 17 and the frame.

The multiple bearing blocks 1 are arranged in parallel, the needle roller bearings 2 are correspondingly arranged in parallel, the brush shaft 3 is connected to the bearing blocks 1 through multiple inner sleeves 20, and the tail end of the brush shaft 3 is provided with a belt pulley 4 for being connected with a power device. Due to the adoption of the needle roller bearing 2 with the inner sleeve 20, the brush shaft 3 is well protected, and the service life is greatly prolonged.

In the embodiment, the model is an A201 series combing machine, the model of the manufactured bearing of the brush shaft is NKI20/20, the outer diameter is 32mm, the inner diameter is 24mm, the height is 20mm, and the outer diameter of the bearing inner sleeve is 24mm, the inner diameter is 20mm, and the height is 20 mm. When the brush shaft rotates, the roller pin in the bearing rolls and rubs on the inner sleeve of the bearing, and the roller pin does not contact and rub with the brush shaft. The diameter of an inner hole in the middle of the bearing seat is modified into 32mm, and the width of the inner hole is 22 mm.

In this embodiment, a bearing installation groove 140 with a circular cross section is milled in the middle of the shaft hole 14, and the diameter of the bearing installation groove 140 is larger than that of the shaft hole 14. In operation, the upper cover base 13 may be removed from the lower base 12, and then the bearing 2 may be installed in the bearing installation groove 140 and fixed by the hexagon socket head cap screw. The structure can limit the position of the bearing 2, and simultaneously, the rotation of the brush shaft 3 is not influenced.

Example two

As can be seen from fig. 1, 2, and 4, compared with the first embodiment, in the present embodiment, a plurality of bearing seats 1 are selected, and 2 bearings are respectively disposed in the selected bearing seats 1.

Specifically, in the present embodiment, one bearing mounting groove 140 having a circular cross section is milled in each of both end portions of the shaft hole 14 of the plurality of bearing housings 1 adjacent to the pulley 4, and the diameter of the bearing mounting groove 140 is larger than the diameter of the shaft hole 14.

In this embodiment, two bearing mounting grooves 140 are provided in a selected plurality of bearing blocks 1, and two bearings 2 parallel to each other are correspondingly provided, so that the bearing stability is further improved, and the working stability of the brush shaft 3 is further ensured.

The present invention is not limited to the above embodiments, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and the essential scope thereof, and still fall into the protection scope of the present invention.

Claims

1. The utility model provides a special supporting arrangement of A201 series comber brush axle, includes a plurality of bearing frames (1) of parallel arrangement in the frame, its characterized in that: the bearing seat comprises a seat tail (11) and an upper cover seat (13) matched with the lower base (12), wherein the front end of the seat tail (11) is bent upwards to form a lower base (12), a shaft hole (14) is milled and dug between the lower base (12) and the upper cover seat (13), bolt holes (16) are formed in the lower base (12) and the upper cover seat (13) on two sides of the shaft hole (14), and the lower base (12) and the upper cover seat (13) are connected into a whole through hexagon socket head bolts in the bolt holes; the novel needle roller brush is characterized in that needle roller bearings (2) with inner sleeves (20) are arranged in the shaft holes (14), the novel needle roller brush further comprises brush shafts (3) arranged among the needle roller bearings (2), and the inner sleeves (20) of the needle roller bearings (2) are sleeved on the brush shafts (3).

2. A supporting device special for a brush shaft of a201 series combing machine according to claim 1, characterized in that: and the top of the upper cover seat (13) is provided with an oil filling hole (15) matched with the shaft hole (14).

3. A supporting device special for a brush shaft of a201 series combing machine according to claim 1, characterized in that: the middle part of the shaft hole (14) is milled and dug with a bearing installation groove (140) with a circular section, and the diameter of the bearing installation groove (140) is larger than that of the shaft hole (14).