CN216842931U

CN216842931U - Carding machine doffer transmission device

Info

Publication number: CN216842931U
Application number: CN202220186296.0U
Authority: CN
Inventors: 李国栋; 李江丽; 姚谊恒; 周少良
Original assignee: Hebei Zhongji Wanlong Textile Co ltd
Current assignee: Hebei Zhongji Wanlong Textile Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-28
Anticipated expiration: 2032-01-24

Abstract

The utility model relates to a doffer transmission device of a carding machine, which comprises a gear box for providing power for the carding machine, wherein a motor, a driving belt pulley, a middle belt pulley, a doffer belt pulley, a first belt and a second belt are arranged in the gear box; the driving belt pulley, the middle belt pulley and the doffer belt pulley are all synchronous wheels, and the first belt and the second belt are all synchronous belts; the tensioning device comprises a bracket and a tensioning wheel; the device also comprises a tension wheel pressure maintaining device; the tension wheel pressure maintaining device comprises a tension wheel rod and a spring; the beneficial effects of the utility model are that, change original gear drive into belt drive, it requires the precision height to avoid gear drive, and the problem of easy wearing and tearing generally only needs to be changed the belt, easy maintenance, and cost of maintenance is low.

Description

Carding machine doffer transmission device

Technical Field

The utility model belongs to the technical field of the carding machine technique and specifically relates to a carding machine doffer transmission.

Background

As is known, a carding machine is a sizing device in the cotton spinning industry, and mainly has the function of separating impurities from fibers, and the carding capacity and the carding effect of the carding machine are the most important guarantee for improving the product quality. The doffer transmission system of the original carding machine adopts a gear meshing mode, after the doffer transmission system is used for a period of time, the tooth surface of a gear is worn quickly and needs to be replaced, the gear is complex in process and high in manufacturing cost, great waste is caused, and when the gear is replaced, the time and labor are wasted due to the fact that the meshing gap needs to be adjusted, and the problem needs to be solved.

Among the existing patent, there is a patent with publication number CN201120115099.1, named doffer transmission of carding machine, and the patent discloses including motor (1), driving pulley (2), driven pulley (3), drive gear (4), doffer gear (7), doffer (8), its characterized in that: a pair of coaxial transition gears I (5) and II (6) are additionally arranged between the driving gear and the doffer gear, the transition gear I is meshed with the driving gear, and the transition gear II is meshed with the doffer gear. The patent adopts gear meshing transmission, needs the concentricity of each gear shaft to be particularly good, is difficult to adjust and needs improvement;

there is also a patent application No. CN201220663262.2, entitled transmission for lowering the floor level of a passenger car, the patent discloses a transmission device for reducing the height of a floor of a carriage of a passenger car, which comprises a box body, wherein a gear shaft is arranged in the box body, a gear is arranged on the gear shaft, one end of the gear shaft extends out of one side of the box body, the outwardly extending end of the gear shaft is in splined connection with an internal spline connecting sleeve with a flange plate, an output shaft of a gearbox is supported on one side of the box body, which is opposite to the extending direction of the gear shaft, the output shaft is parallel to the gear shaft, a gear is arranged on the output shaft, a transmission shaft is arranged between the output shaft and the gear shaft, the transmission shaft is parallel to the output shaft and the gear shaft, two ends of the transmission shaft are supported on the box body through bearings, a gear is arranged on the transmission shaft, and the gear on the output shaft and the gear on the gear shaft are respectively meshed with the gear on the transmission shaft. The gear meshing is adopted for transmission, and as is well known, a carriage is easy to deform, and after the carriage deforms, the installation position of a gear also changes, so that the accuracy of gear meshing is influenced, the tooth part is easy to wear quickly, and improvement is needed.

Above two patents all have imperfect places, and it is urgently needed to design a carding machine doffer transmission device, and a device which needs to frequently replace gears and cannot cause transmission failure due to slight deformation of a carding machine is needed.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a carding machine doffer transmission device with belt transmission, which can be maintained simply and conveniently and can be used for a long time.

In order to solve the problems, the utility model adopts the following technical proposal,

the utility model provides a carding machine doffer transmission, includes the carding machine, still includes the gear box that provides power for the carding machine, be equipped with in the gear box for the carding machine work provide power the motor, with motor output fixed connection's drive pulley, with main belt pulley belt drive's middle belt pulley, with middle belt pulley belt drive's doffer belt wheel, establish main belt pulley with first belt between the middle belt pulley and establish middle belt pulley with second belt between the doffer belt pulley.

Further, the driving belt pulley, the middle belt pulley and the doffer belt pulley are synchronous wheels, and the first belt and the second belt are synchronous belts.

Furthermore, a tensioning device is arranged on the first belt.

Further, the tensioning device comprises a bracket fixedly connected with the carding machine and a tensioning wheel rotatably connected with the bracket; the tension pulley abuts against the first belt.

Further, the device also comprises a tension wheel pressure maintaining device.

Further, the tension wheel pressure maintaining device comprises a tension wheel rod which is connected with the bracket in a sliding mode and a spring which provides pressure for the tension wheel; the tensioning wheel rod is provided with a blocking piece, one end of the spring is abutted to the bracket, and the other end of the spring is abutted to the blocking piece; the bracket is provided with a set screw for positioning the tension wheel rod; the tensioning wheel is rotationally connected with the tensioning wheel rod.

Further, the tensioning wheel rod is rotatably connected with the tensioning wheel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the arranged spring; the tension pulley and the first belt can keep a certain pressure, so that the friction force between the belt and the belt pulley is reduced after the belt is elongated due to long-term use, the transmission effect is not influenced, and the phenomenon of loss of rotation is also commonly known;

2. the belt is characterized by comprising a first belt, a second belt, a driving belt pulley, an intermediate belt pulley and a doffer belt pulley; the original gear transmission is changed into belt transmission, so that the problems of high precision requirement and easy abrasion of the gear transmission are solved, the belt is generally only required to be replaced, the maintenance is convenient, and the maintenance cost is low;

3. the driving belt pulley, the middle belt pulley and the doffer belt pulley are all synchronous wheels, and the first belt and the second belt are synchronous belts; the connecting mode of the synchronous belt synchronous wheels is adopted, so that the phenomenon of losing and rotating by adopting a common belt during transmission can be avoided, and the technology is mature.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a tension wheel pressure maintenance device;

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

fig. 4 is a schematic structural diagram of embodiment 3 of the present invention.

The reference numbers in the figures illustrate:

1-carding machine, 2-driving belt pulley, 3-first belt, 4-middle belt pulley, 5-second belt, 6-doffer belt pulley, 7-tensioning device, 70-bracket, 71-spring, 72-tensioning wheel rod, 73-tensioning wheel, 74-set screw, 8-box body and 9-air source.

Detailed Description

It should be noted at the outset that the discussion of any embodiment of the present invention is merely exemplary in nature, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; there are many other variations of the different aspects of the invention as described above which are not provided in detail for the sake of brevity. Accordingly, other embodiments are within the scope of the following claims.

It should be noted that the terms "first", "second", etc. are used to define the components, and are only used to facilitate distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, especially, have no special meaning in "main, secondary" or arrangement order, and therefore, should not be construed as limiting the scope of the present application.

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention.

Example 1

As shown in fig. 1-3:

the utility model provides a 1 doffer transmission of carding machine, includes carding machine 1, still includes the gear box that provides power for carding machine 1, be equipped with in the gear box for 1 work of carding machine provide power the motor, with motor output fixed connection's drive pulley 2, with main belt pulley belt drive's middle belt pulley 4, with middle belt pulley 4 belt drive's doffer belt pulley 6, establish main belt pulley with first belt 3 between middle belt pulley 4 and establish middle belt pulley 4 with second belt 5 between the doffer belt pulley 6.

And a tensioning device 7 is arranged on the first belt 3.

The tensioning device 7 comprises a bracket 70 fixedly connected with the carding machine 1 and a tensioning wheel 73 rotationally connected with the bracket 70; the tension pulley 73 abuts on the first belt 3.

And the tensioning wheel pressure maintaining device is also included.

The tension wheel pressure maintaining device comprises a tension wheel rod 72 which is connected with the bracket 70 in a sliding way and a spring 71 which provides pressure for the tension wheel; the tensioning wheel rod 72 is provided with a blocking piece, one end of the spring 71 is abutted with the bracket 70, and the other end of the spring 71 is abutted with the blocking piece; the bracket 70 is provided with a set screw 74 which is positioned with the tension wheel rod 72. Through the spring 71, a certain pressure can be ensured to press the tension pulley 73 on the first belt 3, and the first belt 3 is prevented from slipping.

The tension pulley bar 72 is rotatably linked with the tension pulley 73.

The utility model has the working process;

when the device is installed, when the carding machine 1 works, the motor rotates to drive the driving belt pulley 2 fixedly connected with the motor to rotate, the driving belt pulley 2 drives the intermediate belt pulley 4 to rotate through the first belt 3, the intermediate belt pulley 4 drives the doffer belt pulley 6 to rotate through the second belt 5, and the doffer belt pulley 6 drives the doffer device to carry out carding operation;

when the first belt 3 runs loose for a long time, the set screw 74 is loosened, the spring 71 presses the tension pulley 73 on the first belt 3, and after the tension force is adjusted, the set screw 74 is used for pressing the tension pulley rod 72 tightly, so that the looseness is avoided.

Example 2

This embodiment has basically the same structure as embodiment 1,

the difference lies in that; the driving belt pulley 2, the middle belt pulley 4 and the doffer belt pulley 6 are synchronous wheels, and the first belt 3 and the second belt 5 are synchronous belts.

The connecting mode of the synchronous belt synchronous wheels is adopted, the phenomenon of 'losing and rotating' of a common belt can be avoided during transmission, the technology is mature, the matching is simple, and the maintenance is convenient.

Example 3

The structure of the embodiment is basically the same as that of the embodiment 1, but the difference is that, as shown in fig. 4, the gear box is provided with a sealed box body 8, the box body 8 is provided with an air inlet, and the air inlet is communicated with a clean compressed air source 9; when the carding machine 1 works, air is introduced into the box body 8 to form positive pressure, so that cotton fibers during carding are prevented from entering the box body 8 to cause premature wear of moving parts.

The working principle of the embodiment is basically the same as that of the embodiment 1; will not be described in detail. At present, the technical scheme of the application adopts the best implementation mode of the embodiment 1, and pilot test is carried out, namely small-scale experiment of products before large-scale mass production; after the pilot test is finished, the investigation for the use of the user is carried out in a small range, and the investigation result shows that the satisfaction degree of the user is higher; the preparation of the product for formal production for industrialization (including intellectual property risk early warning investigation) is already set out; the above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the present invention.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a carding machine doffer transmission, includes the carding machine, its characterized in that still includes the gear box that provides power for the carding machine, be equipped with in the gear box for the carding machine work provide power the motor, with motor output fixed connection's drive pulley, with main belt pulley belt drive's middle belt pulley, with middle belt pulley belt drive's doffer belt pulley, establish main belt pulley with first belt between the middle belt pulley and establish middle belt pulley with establish the second belt between the doffer belt pulley.

2. A carding machine doffer drive according to claim 1, characterised in that: the driving belt pulley, the middle belt pulley and the doffer belt pulley are synchronous wheels, and the first belt and the second belt are synchronous belts.

3. A carding machine doffer drive according to claim 1 or 2, characterised in that: and a tensioning device is arranged on the first belt.

4. A carding machine doffer drive according to claim 3, characterised in that: the tensioning device comprises a bracket fixedly connected with the carding machine and a tensioning wheel rotationally connected with the bracket; the tension pulley abuts against the first belt.

5. A carding machine doffer drive according to claim 4 and further characterised in that: and the device also comprises a tension wheel pressure maintaining device.

6. A carding machine doffer drive according to claim 5, characterised in that: the tension wheel pressure maintaining device comprises a tension wheel rod connected with the bracket in a sliding mode and a spring for providing pressure for the tension wheel; the tensioning wheel rod is provided with a blocking piece, one end of the spring is abutted to the bracket, and the other end of the spring is abutted to the blocking piece; and the bracket is provided with a set screw positioned with the tension wheel rod.

7. A carding machine doffer drive according to claim 6, characterised in that: the tensioning wheel rod is rotationally connected with the tensioning wheel.