Detection device for evaluating quality of recycled reprocessed cotton fibers

Abstract

The utility model relates to a detection device for evaluating the quality of recycled reprocessed cotton fibers, which comprises a roller type analyzer and further comprises a fiber bundle length selecting device, the selecting device comprises two rotating rollers and a motor, the two rotating rollers clamp a fiber bundle and drive the fiber bundle to move downwards, the motor drives one rotating roller to rotate, and the motor drives the other rotating roller to rotate. The encoders are arranged on the rotating rollers and used for measuring the number of rotation turns of the rotating rollers, a transmission belt which transmits in the arrangement direction of the two rotating rollers is arranged under the rotating rollers, and a plurality of collecting boxes which are provided with openings in the top surfaces and are arranged in the transmission direction are arranged on the transmission belt. According to the utility model, the lengths of the fiber bundles are distinguished, so that the fiber bundles with different lengths have samples, and the random samples are detected through the roller type analyzer, so that the indexes of fiber length distribution, short fiber rate measurement and uniformity index are obtained, and finally, the quality information of cyclic reprocessed cotton fibers in different batches is accurately mastered; and an accurate data support basis is provided for the matching use ratio of assorted cotton.

Description

TECHNICAL FIELD

[0001] The utility model relates to quality detection field especially, it is the technical field that the cotton fiber of recycling reprocessing, concretely refers to a kind of detection device for evaluating the quality of the cotton fiber of recycling reprocessing. BACKGROUND

[0002] Cotton fiber of recycling reprocessing (also known as regenerated cotton fiber or recycled cotton fiber) has several unique characteristics, which reflect its advantages as a renewable resource and also limit its application range to some extent. Here are some main characteristics of the cotton fiber of recycling reprocessing: environmental protection, by reprocessing waste textiles and clothing into new fibers, the impact of textile waste on the environment can be significantly reduced; compared with the production of virgin cotton, the production process of regenerated cotton fiber consumes less water, land and other natural resources. Physical property changes, fiber length shortening, due to multiple uses and treatments, the average length of regenerated cotton fiber is usually shorter than virgin cotton, which will affect the strength and hand feeling of the final product; strength reduction, with the decrease of fiber length, the breaking strength of fiber will also decrease, which poses a challenge to some high-strength applications; impurities and unopened fibers increase, during the recycling process, some non-fiber substances (such as dye residues, metal particles, etc.) are introduced, which need additional cleaning steps to ensure quality.

[0003] Cotton fiber of recycling reprocessing is often mixed with other types of virgin fibers to improve its physical properties and expand its application field. With the development of technology, methods for processing and purifying regenerated fibers are constantly improving, which helps to improve the quality of fibers, while exploring new ways to utilize the unique attributes of regenerated fibers to develop more diversified products and services, thereby broadening its application range. In general, the characteristics of the cotton fiber of recycling reprocessing make it an important part of the sustainable textile industry, but at the same time, it also faces the problem of how to overcome its inherent defects.

[0004] In order to accurately grasp the quality information of different batches of the cotton fiber of recycling reprocessing and provide data support for the matching use ratio of cotton, there is an urgent need for a detection device for evaluating the quality of the cotton fiber of recycling reprocessing. SUMMARY

[0005] The utility model provides a kind of detection device for evaluating the quality of the cotton fiber of recycling reprocessing in view of the deficiency of prior art, obtains the index of fiber length distribution, short lint rate determination, neatness index, finally accurately grasps the quality information of different batches of the cotton fiber of recycling reprocessing, and provides accurate data support basis for the matching use ratio of cotton.

[0006] The utility model discloses a detection device for evaluating the quality of recycled cotton fiber, comprising a roller analyzer, characterized in that: it further comprises a fiber bundle length selection device, the selection device comprises two rotating rollers that clamp and drive the downward movement of the fiber bundle, a motor that drives the rotation of one rotating roller, and an encoder arranged on the rotating roller to measure the number of rotating roller rotations, a transmission belt arranged below the rotating rollers along the arrangement direction of the two rotating rollers is provided below the rotating rollers, and a plurality of collection boxes with open tops are arranged on the transmission belt along the conveying direction.

[0007] In use, the utility model first takes samples, and the number of samples is large, the length and weight of the fiber bundles are different, so in order to ensure the uniformity of the samples, the fiber bundles are selected according to the length of the sampled fiber bundles, so the length of the sampled fiber bundles is first selected, the bottom ends of the fiber bundles are aligned, the fiber bundles are arranged along the axis of the rotating rollers and placed in the gap between the two rotating rollers, the motor is then driven to rotate the rotating rollers, the rotating rollers drive the limiting bundle to move downward, the encoder can measure the number of rotating roller rotations, thereby measuring the length of the fiber bundle passing through the rotating rollers, after a certain number of rotations, the short fiber bundles fall into the collection boxes of the transmission belt after a certain time, the transmission belt continues to convey, so that the next collection box is located directly below the two rotating rollers, thereby collecting fiber bundles of another length range, and since the sampling amount is large and the manual error of fiber bundle measurement is large, the device is used for distinguishing.

[0008] Then, according to the sampling rules, the samples are taken again from each collection box, the fiber to be measured is arranged into small bundles with one end neat and clear levels, the prepared sample bundles are placed in the rollers of the analyzer for clamping, the rollers are rotated to sequentially send out the fibers from short to long, and finally the fibers are collected and weighed in groups, thereby obtaining length distribution data, and through calculation, the fiber length, the short fiber content, and the neatness index can be obtained, which provides accurate data support for the use proportion of cotton blending.

[0009] Preferably, the rotating roller shaft is connected to the base, the base is slidably connected to the support, and a motor is arranged on the base corresponding to the rotating roller.

[0010] The preferred embodiment facilitates the adjustment of the distance between the two rotating rollers through the arrangement of the electric push rod.

[0011] Preferably, a conveying device for conveying fibers is arranged above one rotating roller, and the conveying device comprises two conveying belts arranged above and below the fiber bundle.

[0012] The preferred embodiment facilitates the support and conveying of the fiber bundle through the arrangement of the two conveying belts.

[0013] As preferred, a guide column is arranged above the gap between the two rotating rollers, and an arc-shaped guide cavity is arranged in the guide column, one opening of the guide cavity extends vertically downward, and the other opening is arranged in parallel with the conveying belt and faces the gap between the two conveying belts.

[0014] The preferred scheme facilitates changing the conveying direction of the limiting bundle, so that the fiber bundle enters the gap between the two rotating rollers from above.

[0015] As preferred, the conveying belt is arranged obliquely, and the feeding end of the conveying belt is located above the discharging end.

[0016] The preferred scheme limits the fiber bundle conveying angle, so that the fiber bundle is smoother at the turning point, and the feeding end of the conveying belt is higher, facilitating the suspension of the fiber bundle.

[0017] As preferred, distance sensors for monitoring the distance between the two bases are arranged on the two bases.

[0018] The beneficial effects of the utility model are as follows: firstly, a plurality of samples are taken, the lengths and weights of the fiber bundles are different, therefore, in order to ensure the uniformity of the samples, the fiber bundles need to be selected according to the lengths of the samples, so that firstly, the lengths of the samples are selected, that is, the bottom ends of the fiber bundles are aligned, then the fiber bundles are arranged along the axis of the rotating rollers and are put into the gap between the two rotating rollers, then the motor drives the rotating rollers to rotate, the rotating rollers drive the limiting bundle to move downward, the encoder can measure the number of rotations of the rotating rollers, so as to measure the length of the fiber bundle passing through the rotating rollers, after a certain number of rotations, the short fiber bundle falls into the collecting box of the conveying belt after a certain time, then the conveying belt continues to convey, so that the next collecting box is located below the two rotating rollers, so as to collect another length range of fiber bundles. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] As shown in the figure:

[0021] 1, conveying belt, 2, guide cavity, 3, guide column, 4, rotating roller, 5, motor, 6, base, 7, electric push rod, 8, support, 9, collecting box, 10, conveying belt. DETAILED DESCRIPTION

[0022] In order to clearly illustrate the technical features of the scheme, the scheme will be described below through specific embodiments.

[0023] Referring to the drawings: Figure 1This invention relates to a testing device for evaluating the quality of recycled cotton fibers, comprising a roller analyzer and a fiber bundle length sorting device. The roller analyzer is existing technology. Its core component is the roller, which is a series of rollers of different diameters. Fibers are fed between these rollers, and as the rollers rotate, the fibers are combed and aligned in parallel. By detecting the behavior of the fibers on the rollers, indicators such as fiber length, short fiber percentage, and uniformity can be measured. For example, longer fibers are more easily captured by the rollers and move with them, while shorter fibers are separated earlier.

[0024] The sorting device includes two rotating rollers 4 that clamp the fiber bundle and drive the fiber bundle to move downward, a motor 5 that drives one of the rotating rollers 4 to rotate, and an encoder set on the rotating roller 4 for measuring the number of rotations of the rotating roller 4. A transmission belt 10 is provided directly below the rotating roller 4 to convey along the arrangement direction of the two rotating rollers 4. The transmission belt 10 is provided with a plurality of collection boxes 9 with top openings and arranged along the conveying direction.

[0025] The rotating roller 4 is shaft-connected to the base 6, and the base 6 is slidably connected to the support 8. The support 8 is also equipped with an electric push rod 7 that drives the base 6 to slide. The motor 5 is located on the base 6 corresponding to the rotating roller 4. Both bases 6 are equipped with distance sensors to monitor the distance between the two bases 6.

[0026] A fiber conveying device is also provided directly above a rotating roller 4, the conveying device comprising two conveyor belts 1 located directly above and below the fiber bundle.

[0027] A guide post 3 is provided directly above the gap between the two rollers 4. An arc-shaped guide cavity 2 is provided inside the guide post 3. One opening of the guide cavity 2 extends vertically downward, and the other opening is arranged parallel to the conveyor belt 1 and directly opposite the gap between the two conveyor belts 1.

[0028] The conveyor belt 1 is inclined, with the loading end of the conveyor belt 1 located above the unloading end.

[0029] The utility model discloses a length distribution data collection device for fiber, which comprises a transmission belt 10, a plurality of collecting boxes 9 are arranged on the transmission belt 10, and two rotating rollers 4 are arranged on the transmission belt 10 and are arranged on the two sides of the collecting box 9.

[0030] Then according to sampling rule, from each collecting box 9 again sampling as laboratory sample, to laboratory sample according to color grade, white is first class, light yellow is second class, grey is third class;Then from laboratory sample randomly take the fiber to be measured and arrange into a small bundle with one end neat and clear levels, then make the small bundle weight 50mg±5mg, a total of 3 samples are prepared for standby;The prepared sample small bundle is placed in the roller of the roller analyzer and is clamped, rotating the roller can send out the fiber from short to long in turn, finally group collection and weighing, so that length distribution data is obtained, through calculation, fiber length, short fiber rate, neatness index and other indexes can be obtained;

[0031] From laboratory sample, 10g sample is taken and is divided into two 5g samples, one sample carries out hand inspection experiment, and the other sample is standby. The hand inspection experiment sample is used for picking out the number of impurities and unopened fiber in the sample, or the weight percentage content is calculated;The fiber length, short fiber rate, neatness index, number of impurities and unopened fiber or weight percentage content and other indexes obtained by testing are hierarchically divided and set according to data.

[0032]

[0033] For example: a batch of light yellow recycled fiber raw materials, the index test main body length is 18mm, short fiber rate is 60%, and the number of impurities and unopened fiber is 15. Classification and evaluation: light yellow is divided into second class, main body length 18mm is evaluated as second class, short fiber rate 60% is evaluated as fourth class, and the number of impurities and unopened fiber 15 is evaluated as third class. Three indexes are evaluated according to the corresponding minimum index, and finally the batch of raw materials is evaluated as second class fourth class.

[0034] Of course, the above description is also not limited to the above examples, the technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here; the above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not a limitation on the utility model, the utility model has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.

Claims

1. A detection device for assessing the quality of recycled processed cotton fibers, comprising a roller analyzer, characterized in that: The application further comprises a fiber bundle length selecting device, which comprises two rotating rollers (4) clamping and driving the fiber bundle to move downward, a motor (5) driving the rotating roller (4) to rotate, and an encoder arranged on the rotating roller (4) for measuring the rotating circle number of the rotating roller (4), and a transmission belt (10) arranged below the rotating roller (4) along the arrangement direction of the two rotating rollers (4), and a plurality of collecting boxes (9) arranged on the transmission belt (10) and having open top surfaces and arranged along the conveying direction.

2. The detection device for assessing the quality of recycled processed cotton fibers according to claim 1, characterized in that: The rotating roller (4) is connected with a base (6), the base (6) is slidably connected with a support (8), and the support (8) is further provided with an electric push rod (7) driving the base (6) to slide, and the motor (5) is arranged on the base (6) corresponding to the rotating roller (4).

3. The detection device for assessing the quality of recycled processed cotton fibers according to claim 1, characterized in that: A conveying device for conveying fibers is further arranged above one of the rotating rollers (4), and the conveying device comprises two conveying belts (1) arranged above and below the fiber bundle.

4. The detection device for assessing the quality of recycled processed cotton fibers according to claim 3, characterized in that: A guide column (3) is arranged above the gap between the two rotating rollers (4), and an arc-shaped guide cavity (2) is arranged in the guide column (3), one opening of the guide cavity (2) vertically extends downward, and the other opening is arranged in parallel with the conveying belt (1) and faces the gap between the two conveying belts (1).

5. The detection device for assessing the quality of recycled processed cotton fibers according to claim 4, characterized in that: The conveying belt (1) is arranged obliquely, and the feeding end of the conveying belt (1) is arranged above the discharging end.

6. The detection device for assessing the quality of recycled processed cotton fibers according to claim 2, characterized in that: Distance sensors are arranged on the two bases (6) for monitoring the distance between the two bases (6).

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