CN112195539A - Cotton spinning comber cylinder combing force testing arrangement - Google Patents
Cotton spinning comber cylinder combing force testing arrangement Download PDFInfo
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- CN112195539A CN112195539A CN202011138540.8A CN202011138540A CN112195539A CN 112195539 A CN112195539 A CN 112195539A CN 202011138540 A CN202011138540 A CN 202011138540A CN 112195539 A CN112195539 A CN 112195539A
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- cylinder
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- combing
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G19/00—Combing machines
- D01G19/06—Details
- D01G19/10—Construction, mounting, or operating features of combing elements
- D01G19/105—Combing cylinders
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- Preliminary Treatment Of Fibers (AREA)
Abstract
The invention provides a cylinder carding force testing device of a cotton spinning combing machine, which is used for solving the technical problems that the carding effect and the fiber falling rate are easily influenced, the online detection function is lacked, the testing precision is poor and the like because a force sensor is arranged on a nipper plate in the conventional device. The device comprises a driving unit, a testing unit and a load unit which are sequentially connected, wherein the testing unit comprises a torque sensor, the load unit comprises a cylinder shaft and a cylinder assembly, and the cylinder assembly is sleeved on the cylinder shaft; the two ends of the torque sensor are connected with the driving unit and the cylinder shaft through connecting pieces respectively, the torque sensor is connected with a data acquisition unit, and the data acquisition unit is connected with an intelligent terminal. The invention not only can quickly and accurately detect the combing force in the combing process of the cylinder of the combing machine on line, but also has no influence on the combing quality and the fiber falling rate in the detecting process, and has simple integral structure, easy operation and convenient use.
Description
Technical Field
The invention relates to the technical field of cotton spinning combing, in particular to a device for testing the combing force of a cylinder of a cotton spinning combing machine.
Background
The cotton spinning combing machine is used as important equipment in the modern textile industry, and plays an indispensable role in improving spinning quality. The cotton spinning combing machine combs a cotton layer held by a nipper by using the sawteeth on the surface of a cylinder, can effectively remove short fibers, impurities and neps, and improves the straightness, parallelism and separation degree of fibers, thereby greatly improving the yarn quality and the quality and style of fabrics. In the process that the cylinder needle teeth comb the cotton layer, the saw teeth quickly penetrate into the cotton layer and generate sliding and friction with fibers in the cotton layer, the sliding friction force between the cylinder saw teeth and the cotton fibers is called as combing force, and if the combing force of the cylinder on the cotton layer is too large, a large amount of fibers are damaged in the combing process; when the carding force of the cylinder to the cotton layer is too small, the cotton layer is insufficiently carded, the combing quality is affected, and the yarn quality is affected finally. Therefore, the testing device for the cylinder combing force in the combing process of the cotton spinning combing machine is designed to master the change rule of the combing force in the combing process, and has important significance for reducing fiber damage and improving combing quality. In the 80 s of the 20 th century, Chinese scholars added sensors on the upper nipper plate of a cotton spinning and wool spinning combing machine to test combing force, but the testing method has the following defects: firstly, a force sensor is arranged on an upper nipper, which has adverse effect on the nipper performance of the nipper, and further influences the carding effect and the fiber falling rate; secondly, the online test cannot be carried out, and the test can be carried out only on a laboratory prototype at a low speed; thirdly, the accuracy of the sensor is poor and the requirements are difficult to meet. Therefore, the high-precision combing carding force testing device which has no influence on carding quality and fiber dropping rate and has an online detection function is researched and developed to have great significance.
Disclosure of Invention
Aiming at the technical problems that the combing effect and the fiber dropping rate are easily influenced, the online detection function is lacked, the detection precision is poor and the like because a force sensor is arranged on a nipper of the conventional device, the invention provides the combing force testing device for the cotton spinning combing machine cylinder, which not only can quickly and accurately detect the combing force in the combing process of the combing machine cylinder on line, but also has no influence on the combing quality and the fiber dropping rate in the detection process, and has the advantages of simple integral structure, easiness in operation and convenience in use.
In order to solve the technical problems, the invention adopts the following technical scheme: a cylinder combing force testing device of a cotton spinning combing machine comprises a driving unit, a testing unit and a load unit which are sequentially connected, wherein the testing unit comprises a torque sensor, the load unit comprises a cylinder shaft and a cylinder assembly, and the cylinder assembly is sleeved on the cylinder shaft; the two ends of the torque sensor are connected with the driving unit and the cylinder shaft through connecting pieces respectively, the torque sensor is connected with a data acquisition unit, and the data acquisition unit is connected with an intelligent terminal.
The driving unit comprises a driving motor and a driving shaft, one end of the driving shaft is connected with an output shaft of the driving motor through a transmission assembly, and the other end of the driving shaft is connected with the torque sensor through a connecting piece.
The transmission assembly comprises a driving wheel and a driven wheel, the driving wheel and the driven wheel are connected through a toothed belt, the driving wheel is connected with an output shaft of the driving motor, and the driven wheel is connected with the driving shaft.
The connecting piece includes shaft coupling I and shaft coupling II, and fixed connection drive shaft and torque sensor are respectively distinguished at the both ends of shaft coupling I, and fixed connection torque sensor and cylinder axle are respectively distinguished at the both ends of shaft coupling II.
The cylinder assembly comprises a cylinder body and a tooth piece, the cylinder body is fixedly sleeved on the cylinder shaft, the tooth piece is arranged on the cylinder body, and the tooth piece is matched with the unit to be tested.
The unit to be measured comprises an upper nipper and a lower nipper, a fiber layer is clamped between the upper nipper and the lower nipper, and the fiber layer is matched with the tooth piece.
The data acquisition unit is a data acquisition unit, the intelligent terminal is a computer, the input end of the data acquisition unit is connected with the torque sensor, and the output end of the data acquisition unit is connected with the computer.
The invention adopts a driving motor as a power source for carding the fiber layer, drives a cylinder shaft to do rotary motion through a driving shaft, a coupler and the like in sequence, further drives a cylinder body to rotate, then the fiber layer clamped by an upper nipper and a lower nipper is contacted with a tooth sheet on the cylinder body, the tooth sheet generates friction force with the fiber layer in the rotating process, generates torque action on the cylinder shaft, transmits the torque action to a torque sensor through the coupler, and acquires the torque action by a data acquisition unit and feeds the torque back to a computer. The invention not only can realize the quick and accurate online detection of the carding force in the cylinder carding process of the combing machine, but also has no influence on the carding quality and the fiber falling rate in the detection process, and can judge the working state of a carding part and the reasonability of carding process parameters according to the change of the carding force, thereby having great significance for further improving the carding quality and the production efficiency of the combing machine.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a cylinder for carding a cotton layer in accordance with the present invention;
FIG. 3 is a graph showing the variation of combing force in the present invention.
In the figure, 1 is a driving motor, 2 is a toothed belt, 3 is a driving shaft, 41 is a bracket, 42 is a wall plate, 51 is a coupling i, 52 is a coupling ii, 6 is a torque sensor, 7 is a cylinder shaft, 8 is a cylinder body, 9 is a tooth piece, 10 is an upper nipper, 11 is a lower nipper, 12 is a fiber layer, 13 is a signal output end, 14 is a data collector, and 15 is a computer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in figure 1, the device for testing the carding force of the cylinder of the cotton spinning combing machine comprises a driving unit, a testing unit and a loading unit which are sequentially connected, wherein the driving unit is a power source for combing a fiber layer by the cylinder, the testing unit is used for testing acting force generated by the loading unit in the cylinder combing process, and the loading unit is used for combing the fiber layer. Specifically, the testing unit comprises a torque sensor 6, the type of the torque sensor is FUTEK-TRS600, the torque sensor is used for testing torque generated by combing force on a cylinder shaft in a cylinder combing process by adopting a resistance strain gauge torque measurement technology, the torque sensor 6 is installed on a support 41, and the support 41 is fixedly installed on a base of the combing machine so as to ensure the working stability of the torque sensor. The load cell comprises a cylinder shaft 7 and a cylinder assembly for carding the fibre layers. Cylinder axle 7 passes through the bearing and installs on the wallboard 42 of comber, and the cylinder subassembly cover is established on cylinder axle 7, and torque sensor 6's both ends are connected with drive unit, cylinder axle 7 through the connecting piece respectively, and drive unit drives torque sensor and cylinder axle in proper order and is rotary motion, and then drives the cylinder subassembly and is rotary motion, realizes the carding to the fibrous layer promptly.
The driving unit comprises a driving motor 1 and a driving shaft 3, the driving motor 1 is a common transmission motor, the driving shaft 3 is a smooth round shaft with a certain diameter and is installed on a wall plate 42 of the combing machine through a bearing, one end of the driving shaft 3 is connected with an output shaft of the driving motor 1 through a transmission assembly, and the other end of the driving shaft is connected with a torque sensor 6 through a connecting piece. In this embodiment, the transmission assembly includes a driving wheel and a driven wheel, the driving wheel and the driven wheel are connected through a toothed belt 2, the driving wheel is connected with an output shaft of a driving motor 1, and the driven wheel is connected with a driving shaft 3. The connecting piece include I51 and II 52 of shaft coupling, the both ends of I51 of shaft coupling are fixed connection drive shaft 3 and torque sensor 6 respectively, the both ends of II 52 of shaft coupling are fixed connection torque sensor 6 and cylinder axle 7 respectively, and the axle center of drive shaft 3, I51 of shaft coupling, II 52 of shaft coupling and cylinder axle 7 is on same straight line. This structure realizes when starting driving motor during operation, and driving motor's output shaft drives the action wheel and rotates, and the action wheel passes through the toothed belt and drives from the driving wheel rotation, drives the drive shaft rotation again from the driving wheel, then the drive shaft passes through shaft coupling I and drives torque sensor and be rotary motion, and torque sensor passes through II drive cylinder axles of shaft coupling and rotates, and then drives the epaxial cylinder subassembly of cylinder and make rotary motion.
As shown in fig. 2, the cylinder assembly includes a cylinder body 8 and a tooth piece 9, the cylinder body 8 is fixedly sleeved on the cylinder shaft 7, and the cylinder shaft 7 can drive the cylinder body 8 to move synchronously when rotating. The quantity of teeth 9 is provided with a plurality ofly and evenly lays on the cylinder body 8, and teeth 9 and fibrous layer cooperate, can comb the fibrous layer when teeth 9 and fibrous layer contact promptly. In this embodiment, the fiber layer 12 is sandwiched between the upper nipper plate 10 and the lower nipper plate 11. When the teeth on the cylinder body are in contact with the fiber layer held between the upper nipper and the lower nipper, the fiber layer generates friction force on the teeth on the cylinder body and generates torque action on the cylinder shaft, the torque sensor is transmitted through the coupler II, and the combing force on the fiber layer is further tested by the torque sensor, so that the combing force in the combing process of the comber cylinder can be quickly and accurately detected on line, the combing quality and the fiber falling rate are not influenced in the detection process, the whole structure is simple, the operation is easy, and the use is convenient.
The torque sensor 6 is connected with a data acquisition unit, the data acquisition unit is connected with an intelligent terminal, and the data acquisition unit is a data acquisition unit 14 and is used for acquiring a carding torque signal generated by a cylinder shaft in a cylinder carding process; the intelligent terminal is a computer 15 and is used for processing and displaying the combing force test result. The input end of the data collector 14 is connected with the signal output end 13 of the torque sensor 6, the output end of the data collector 14 is connected with the computer 15, and the torque sensor 6, the data collector 14 and the computer 15 are all connected through wires. The combing force of the fiber layer is tested by the torque sensor and transmitted to the data collector for collection, the data collector transmits the collected data to the computer again, the combing torque signal is processed by the computer, the test result is fed back to the display screen, and meanwhile, the combing force value in the combing process can be calculated according to the radius of the cylinder. When the cylinder speed is 200r/min, the change curve of the combing force of the cotton spinning combing machine in the cylinder combing stage is shown in figure 3; in one working cycle of the combing machine, the cylinder 36 indexes to start combing, and 8 indexes to finish combing.
The specific operation of the cylinder combing force testing device of the cotton spinning combing machine is as follows: (1) sequentially assembling and connecting a driving motor, a driving shaft, a coupling I, a torque sensor, a coupling II, a cylinder shaft and a cylinder body with a tooth sheet according to specific use requirements so as to ensure the working requirements of the cylinder body; (2) starting a driving motor, wherein the driving motor drives a driving shaft to rotate and is used as a power source for carding the fiber layer by the whole testing device; (3) under the drive of a drive motor, a cylinder shaft is driven to rotate through a drive shaft, a coupling I, a torque sensor and a coupling II in sequence, and then a cylinder body with a tooth piece is driven to rotate; (4) the fiber layer is clamped by the upper nipper and the lower nipper and is contacted with the rotating tooth plate, and at the moment, the fiber layer generates friction force on the tooth plate so as to generate torque action on the cylinder shaft; (5) the torque sensor adopts a resistance strain gauge torque measurement technology to test the carding torque generated by the carding force on the cylinder shaft in the tooth sheet carding process, and transmits a torque signal to the data acquisition unit, the data acquisition unit transmits the torque signal to the computer, the computer performs signal processing and feeds back a calculation result to a display screen of the data acquisition unit, and then the carding force value in the carding process is calculated according to the radius of the cylinder. The invention can quickly and accurately detect the carding force in the carding process of the cylinder of the combing machine on line, and judge the working state of a carding part and the reasonability of carding process parameters according to the change of the carding force, thereby having great significance for further improving the carding quality and the production efficiency of the combing machine.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a cotton spinning comber cylinder combing force testing arrangement which characterized in that: the testing device comprises a driving unit, a testing unit and a load unit which are sequentially connected, wherein the testing unit comprises a torque sensor (6), the load unit comprises a cylinder shaft (7) and a cylinder assembly, and the cylinder assembly is sleeved on the cylinder shaft (7); the two ends of the torque sensor (6) are connected with the driving unit and the cylinder shaft (7) through connecting pieces respectively, the torque sensor (6) is connected with a data acquisition unit, and the data acquisition unit is connected with an intelligent terminal.
2. The cylinder combing force testing device of the cotton combing machine according to claim 1, which is characterized in that: the driving unit comprises a driving motor (1) and a driving shaft (3), one end of the driving shaft (3) is connected with an output shaft of the driving motor (1) through a transmission assembly, and the other end of the driving shaft (3) is connected with a torque sensor (6) through a connecting piece.
3. The cylinder combing force testing device of the cotton combing machine according to claim 2, which is characterized in that: the transmission assembly comprises a driving wheel and a driven wheel, the driving wheel and the driven wheel are connected through a toothed belt (2), the driving wheel is connected with an output shaft of a driving motor (1), and the driven wheel is connected with a driving shaft (3).
4. The cylinder combing force testing device of the cotton combing machine according to claim 1 or 3, characterized in that: the connecting piece includes shaft coupling I (51) and shaft coupling II (52), and fixed connection drive shaft (3) and torque sensor (6) are respectively distinguished at the both ends of shaft coupling I (51), and fixed connection torque sensor (6) and tin forest axle (7) are respectively distinguished at the both ends of shaft coupling II (52).
5. The combing force testing device of the cylinder of the cotton combing machine according to claim 4, which is characterized in that: the cylinder assembly comprises a cylinder body (8) and a tooth piece (9), the cylinder body (8) is fixedly sleeved on a cylinder shaft (7), the tooth piece (9) is arranged on the cylinder body (8), and the tooth piece (9) is matched with a unit to be tested.
6. The combing force testing device of the cylinder of the cotton combing machine according to claim 5, which is characterized in that: the unit to be tested comprises an upper nipper (10) and a lower nipper (11), a fiber layer (12) is clamped between the upper nipper (10) and the lower nipper (11), and the fiber layer (12) is matched with the tooth piece (9).
7. The cylinder combing force testing device of the cotton combing machine according to claim 1, 3 or 6, characterized in that: the data acquisition unit is data collection station (14), and intelligent terminal is computer (15), and torque sensor (6) are connected to data collection station's (14) input, output connection computer (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011138540.8A CN112195539A (en) | 2020-10-22 | 2020-10-22 | Cotton spinning comber cylinder combing force testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011138540.8A CN112195539A (en) | 2020-10-22 | 2020-10-22 | Cotton spinning comber cylinder combing force testing arrangement |
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| CN112195539A true CN112195539A (en) | 2021-01-08 |
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| CN202011138540.8A Pending CN112195539A (en) | 2020-10-22 | 2020-10-22 | Cotton spinning comber cylinder combing force testing arrangement |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4438548A (en) * | 1980-01-17 | 1984-03-27 | Zellweger Uster Ltd. | Method and apparatus for controlling fluctuations in sliver weight on cards, carding machines and the like |
| JPH05172665A (en) * | 1991-12-20 | 1993-07-09 | Kanai Hiroyuki | Measuring method of opening force in cotton combing machine and top card clothing for measuring opening force |
| CN101117738A (en) * | 2006-05-24 | 2008-02-06 | 特鲁菲舍尔股份有限公司及两合公司 | Apparatus on a spinning room machine for monitoring an electric drive motor |
| CN105021337A (en) * | 2015-07-30 | 2015-11-04 | 中国航空工业集团公司哈尔滨空气动力研究所 | Propeller driving rotation force measuring apparatus and force measuring method |
| CN108914264A (en) * | 2018-06-07 | 2018-11-30 | 东华大学 | A kind of carding machine intelligent control method and device based on online carding force |
| CN209512766U (en) * | 2019-03-29 | 2019-10-18 | 常州宏大智能装备产业发展研究院有限公司 | Carding machine or drawing frame yarn quality detection device |
| CN111706541A (en) * | 2020-07-01 | 2020-09-25 | 中国北方车辆研究所 | Method for measuring torque of cooling fan of tracked vehicle |
-
2020
- 2020-10-22 CN CN202011138540.8A patent/CN112195539A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4438548A (en) * | 1980-01-17 | 1984-03-27 | Zellweger Uster Ltd. | Method and apparatus for controlling fluctuations in sliver weight on cards, carding machines and the like |
| JPH05172665A (en) * | 1991-12-20 | 1993-07-09 | Kanai Hiroyuki | Measuring method of opening force in cotton combing machine and top card clothing for measuring opening force |
| CN101117738A (en) * | 2006-05-24 | 2008-02-06 | 特鲁菲舍尔股份有限公司及两合公司 | Apparatus on a spinning room machine for monitoring an electric drive motor |
| CN105021337A (en) * | 2015-07-30 | 2015-11-04 | 中国航空工业集团公司哈尔滨空气动力研究所 | Propeller driving rotation force measuring apparatus and force measuring method |
| CN108914264A (en) * | 2018-06-07 | 2018-11-30 | 东华大学 | A kind of carding machine intelligent control method and device based on online carding force |
| CN209512766U (en) * | 2019-03-29 | 2019-10-18 | 常州宏大智能装备产业发展研究院有限公司 | Carding machine or drawing frame yarn quality detection device |
| CN111706541A (en) * | 2020-07-01 | 2020-09-25 | 中国北方车辆研究所 | Method for measuring torque of cooling fan of tracked vehicle |
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Application publication date: 20210108 |