Circulating folding sample preparation device and method for rapid detection of cotton short fiber rate
By designing a cyclic folding sample preparation device for cotton short fiber rate, a fully automated rapid detection of cotton short fiber rate was achieved, solving the problems of long processing time and high fiber damage rate, and improving sample preparation efficiency and accuracy.
Patent Information
- Application Number
- CN202511971363.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-25
- Publication Date
- 2026-02-13
AI Technical Summary
Existing cotton fiber sample preparation equipment suffers from problems such as long processing time, high labor intensity, and high fiber damage rate, which cannot meet the efficiency and accuracy requirements of large-scale testing.
Design a circulating folding sample preparation device that includes a frame, a stretching and conveying mechanism, a circulating folding mechanism, a power control mechanism, and a cotton collection mechanism. Through an automated process of compaction, bundling, stretching, folding, and cotton collection, it can achieve rapid and accurate sample preparation of cotton samples.
It achieves fully automated rapid detection of cotton short fiber rate, reduces manpower and material consumption, improves sample preparation efficiency, meets the needs of large-scale testing, and reduces fiber damage rate.
Smart Images
Figure CN121521579A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of cotton sample preparation equipment, in particular to a circulating folding sample preparation device and method for rapid detection of cotton short fiber rate. BACKGROUND
[0002] Cotton fiber length is the core index for measuring the quality of raw cotton, and the short fiber rate, as a derived index, is not only a key basis for pricing and grading of raw cotton, but also an important parameter related to the efficiency of the entire textile production chain. From an industrial practice point of view, the short fiber rate index directly affects the unit cotton consumption, production and processing stability, yarn physical properties and final product quality of textile enterprises; in the trade link, this index is also one of the core bases for quality verification and trade settlement between supply and demand, and the accuracy of its test results has a decisive influence on trade fairness.
[0003] In the cotton fiber short fiber rate detection process, the sample preparation link as a core pre-process, its efficiency and accuracy are the basic conditions to ensure the reliability of the test results. There is a structural contradiction in the current industry that the sample preparation equipment lags behind the detection equipment, and this gap has become the main bottleneck restricting the improvement of short fiber rate detection speed and precision optimization. Traditional cotton fiber sample preparation technology mainly includes the following two types: (1) The sample preparation method based on Y111A type hand fiber extensometer, which relies on manual operation and has the defects of long time consumption and high labor intensity, and cannot meet the efficiency requirements of large-scale detection scenarios; (2) The sample preparation system matched with American HVI tester, which has an advantage in detection speed, but has a high damage rate of cotton fibers, affecting the quality of cotton products.
[0004] Therefore, it is urgent to develop a circulating folding sample preparation device and method for rapid detection of cotton short fiber rate to overcome the above-mentioned defects of traditional technology. SUMMARY
[0005] The purpose of the present application is to provide a circulating folding sample preparation device and method for rapid detection of cotton short fiber rate to solve the problems existing in the prior art and realize rapid, accurate and low-damage automatic sample preparation, greatly reducing the consumption of manpower and material resources in the sample preparation process and improving the sample preparation efficiency.
[0006] To achieve the above purpose, the present application provides the following solutions: The application provides a circulating folding sample preparation device for fast detection of cotton short fiber rate, which comprises a rack, a drafting conveying mechanism, a circulating folding mechanism, a power control mechanism and a cotton collecting mechanism installed in the rack, the circulating folding mechanism is used for compacting and converging an initial cotton sample, the drafting conveying mechanism is used for drafting the compacted and converged cotton sample, and the drafting conveying mechanism can convey the drafted cotton sample to the circulating folding mechanism, the circulating folding mechanism is used for folding the drafted cotton sample, the drafting conveying mechanism can also convey the folded cotton sample to the cotton collecting mechanism, the cotton collecting mechanism is used for collecting a finished cotton sample, and the power control mechanism is used for controlling the drafting conveying mechanism and the circulating folding mechanism.
[0007] Preferably, the rack comprises a bottom support shell, a first protective shell, a second protective shell and a waste box, the first protective shell and the second protective shell are symmetrically installed on the upper end face of the bottom support shell, the first protective shell and the second protective shell are respectively arranged near the two sides of the bottom support shell, the waste box is located between the first protective shell and the second protective shell, and the waste box is located between the upper end face of the bottom support shell and the drafting conveying mechanism, the bottom support shell is used for installing the power control mechanism, the first protective shell and the second protective shell are respectively used for connecting the two sides of the drafting conveying mechanism, the two sides of the circulating folding mechanism and the two sides of the cotton collecting mechanism, and the first protective shell and the second protective shell are used for passing the cotton sample.
[0008] Preferably, the bottom support shell comprises a bottom shell body, an upper bottom plate, a lower bottom plate, an electrical bottom plate, rubber supports and a handle, the upper bottom plate is installed at the upper end opening of the bottom shell body, the lower bottom plate is installed at the lower end opening of the bottom shell body, the electrical bottom plate is installed on the upper end face of the lower bottom plate, the upper end of the electrical bottom plate is used for installing the power control mechanism, the handle is installed on the two ends of the bottom shell body, and each rubber support is installed on each corner of the lower end face of the bottom shell body. The first protective shell comprises a first shell body, a first inner side plate and a first outer side plate, the first shell body is installed on the upper end of the upper bottom plate, the first outer side plate is installed on one side of the first shell body close to the second protective shell, and the first inner side plate is installed on one side of the first outer side plate close to the circulating folding mechanism. The second protective shell comprises a second shell body, a second inner side plate and a second outer side plate, the second shell body is installed on the upper end of the upper bottom plate, the second outer side plate is installed on one side of the second shell body close to the first protective shell, and the second inner side plate is installed on one side of the second outer side plate close to the circulating folding mechanism. The first outer side plate and the second outer side plate are respectively used for connecting two sides of the drawing conveying mechanism, two sides of the circulating folding mechanism and two sides of the collecting mechanism.
[0009] Preferably, the drawing conveying mechanism comprises small metal rollers, middle metal rollers, a plurality of leather rollers and a plurality of pressing elements, two ends of each of the small metal rollers, two ends of each of the middle metal rollers and two ends of each of the leather rollers are respectively rotatably connected to the two side walls of the frame, the diameter of the middle metal roller is greater than the diameter of the small metal roller, and the linear speed of the middle metal roller is greater than the linear speed of the small metal roller, the small metal rollers are two, which are a first small metal roller and a second small metal roller, the middle metal rollers are two, which are a first middle metal roller and a second middle metal roller, the leather rollers located at the lower part of the frame are lower leather rollers, the leather rollers located at the upper part of the frame are upper leather rollers, a plurality of the lower leather rollers are arranged in sequence along the conveying direction of the cotton sample, and the lower end of each of the lower leather rollers is correspondingly connected to one of the pressing elements, the first middle metal roller and the first small metal roller are located above the lower leather rollers, the first small metal roller is located on the side of the middle metal roller close to the circulating folding mechanism, two adjacent lower leather rollers can be pressed against the outer periphery of the first middle metal roller under the action of the pressing elements, and the other lower leather roller can be pressed against the outer periphery of the first small metal roller under the action of the pressing elements, the first small metal roller and the corresponding lower leather roller, and the first middle metal roller and the corresponding lower leather roller can respectively clamp different parts of the cotton sample, the upper leather rollers and the second small metal roller are located above the first middle metal roller, and the upper leather rollers can be pressed against the outer periphery of the second small metal roller under the action of the pressing elements, the second middle metal roller is located close to the collecting mechanism, and the outer periphery of the second middle metal roller contacts the upper end of one of the lower leather rollers and is used for conveying the finished cotton sample to the collecting mechanism, the outer periphery of each of the leather rollers correspondingly contacts a felt roller, the felt roller is installed on the frame, and when the leather roller rotates, the felt roller can remove the fibers and impurities on the outer periphery of the leather roller.
[0010] Preferably, the pressing elements comprise compression springs and steel balls, a plurality of flat-end set screws are installed in the frame, each of the flat-end set screws is connected to a column-end set screw, the steel balls are installed on the frame and can contact bearings at corresponding positions of the leather rollers, one end of each of the compression springs abuts against the corresponding column-end set screw, and the other end of each of the compression springs abuts against the corresponding steel ball.
[0011] Preferably, the draft conveying mechanism further comprises a large metal roller, which is installed on the side of the middle metal roller away from the circulation folding mechanism, and the large metal roller can rotate forward and reversely, and when rotating forward, the large metal roller can drive the cotton sample output by the middle metal roller to move towards the circulation folding mechanism, and when rotating reversely, the large metal roller can drive the cotton sample output by the middle metal roller to move towards the cotton collecting mechanism.
[0012] Preferably, the circulation folding mechanism comprises a photoelectric sensor, an upper folding element, a lower folding element, a cotton pressing roller and a converging device, the upper folding element is located above the lower folding element, the first end of the lower folding element is used for initial cotton sample entering, the second end of the lower folding element is arranged close to the draft conveying mechanism, the upper folding element is arranged obliquely, the lowest end of the upper folding element is located above the middle part of the lower folding element, and the highest end of the upper folding element extends to the draft conveying mechanism, the cotton pressing roller is located between the second end of the lower folding element and below the upper folding element, a top pressing element is arranged above the cotton pressing roller, the top pressing element is used for pressing the cotton pressing roller to the second end of the lower folding element, the photoelectric sensor is installed on the rack and arranged close to the first end of the lower folding element, and the photoelectric sensor is used for detecting whether the cotton sample reaches the folding position, the upper folding element is used for conveying the cotton sample to the lower folding element when rotating forward, the lower folding element is used for conveying the cotton sample to the first end of the lower folding element when rotating forward, when the photoelectric sensor detects the cotton sample, the lower folding element reverses and the upper folding element maintains forward rotation, the two ends of the cotton sample are located on the upper folding element and the lower folding element respectively, the upper folding element and the lower folding element can fold the cotton sample, the folded cotton sample enters between the cotton pressing roller and the second end of the lower folding element under the driving of the lower folding element, and the cotton pressing roller is used for pressing the cotton sample, the converging device is located on the side of the cotton pressing roller close to the cotton collecting mechanism, and the converging device is used for converging the pressed cotton sample, and the converged cotton sample can be sent to the cotton collecting mechanism through the draft conveying mechanism.
[0013] Preferably, the power control mechanism comprises a power module, a controller, a switch, a heat dissipation fan, a plurality of driving motors, a plurality of synchronous pulleys and a plurality of synchronous belts, the driving motors, the power module and the switch are electrically connected with the controller, the driving motors are used for rotating forward and / or reversely under the control of the controller, the synchronous pulleys can cooperate with the synchronous belts, and drive the draft conveying mechanism and the circulation folding mechanism to act under the driving of the driving motors, the heat dissipation fan is arranged close to the controller, and is used for heat dissipation, and the switch is installed on the rack and is used for controlling the opening and closing of the power module.
[0014] Preferably, the lint collecting mechanism comprises a first felt roller plate, a second felt roller plate, a felt roller and two top sub-elements, the first felt roller plate and the second felt roller plate are symmetrically installed in the frame, and the first felt roller plate and the second felt roller plate are respectively arranged close to two ends of the felt roller, the two ends of the felt roller respectively extend out of the first felt roller plate and the second felt roller plate and are rotationally connected in the frame, two top sub-elements are respectively installed on the inner side wall of the first felt roller plate and the inner side wall of the second felt roller plate, and one of the top sub-elements is located between the first felt roller plate and one end of the felt roller, and the other top sub-element is located between the second felt roller plate and the other end of the felt roller, and one end of the top sub-element can tightly abut against the rotating shaft of the felt roller.
[0015] The application further provides a circulating folding sample preparation method for rapid detection of cotton short fiber rate, using the circulating folding sample preparation device for rapid detection of cotton short fiber rate in any of the above technical solutions, comprising: placing an initial cotton sample on the lower folding element of the circulating folding mechanism, conveying the cotton sample after compaction and bundling to the drafting conveying mechanism for clamping and drafting, and continuously conveying the cotton sample after drafting to the upper folding element of the circulating folding mechanism through the drafting conveying mechanism, realizing folding of the cotton sample through cooperation of the upper folding element and the lower folding element, continuously conveying and drafting the folded cotton sample again, and repeatedly performing the above steps until the cotton sample reaches the detection requirement, and then conveying the cotton sample to the lint collecting mechanism through the drafting conveying mechanism, and taking the cotton sample from the lint collecting mechanism by a worker for short fiber rate detection.
[0016] The application has the following technical effects compared with the prior art: The application provides a circulating folding sample preparation device and method for rapid detection of cotton short fiber rate. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.
[0018] Figure 1 FIG. 1 is a structural schematic diagram of the circulating folding sample preparation device for rapid detection of cotton short fiber rate in Embodiment 1; Figure 2 FIG. 2 is a structural schematic diagram of the circulating folding sample preparation device for rapid detection of cotton short fiber rate in Embodiment 1 when the second outer side plate and the second shell are removed; Figure 3 FIG. 3 is a structural schematic diagram of the circulating folding sample preparation device for rapid detection of cotton short fiber rate in Embodiment 1 when the woolen cloth roller is removed; Figure 4 FIG. 4 is a front view of the stretching conveying mechanism in Embodiment 1; Figure 5 FIG. 5 is a partial structural schematic diagram in Embodiment 1; Figure 4 Figure 6 FIG. 6 is an internal structural schematic diagram of the circulating folding sample preparation device for rapid detection of cotton short fiber rate in Embodiment 1; Figure 7 Front view of the temple structure of the circular folding sample preparation device for rapid detection of short fiber rate of cotton in Example 1; Figure 8 Structure diagram of the power control mechanism in Example 1; Figure 9 Top view of the circular folding sample preparation device for rapid detection of short fiber rate of cotton in Example 1; In the figure: 100-circular folding sample preparation device for rapid detection of short fiber rate of cotton, 1-frame, 101-first outer side plate, 102-first inner side plate, 103-first housing, 104-second outer side plate, 105-second inner side plate, 106-second housing, 107-bottom support shell, 108-upper bottom plate, 109-lower bottom plate, 1010-electrical bottom plate, 1011-rubber support, 1012-handle, 1013-waste box, 2-drawing mechanism, 201-deep groove ball bearing, 202-U groove bearing, 203-roller, 204-medium metal roller, 205-small metal roller, 206-steel ball, 207-first compression spring, 208-second compression spring, 209-column end set screw, 2010-flat end set screw, 2011-felt roller, 3-conveying mechanism, 301-large metal roller, 4-circular folding mechanism, 401-upper folding element, 402-lower folding element, 403-cotton pressing roller, 404-converging device, 5-power control mechanism, 501-small motor fixed sheet metal, 502-large motor fixed sheet metal, 503-small motor, 504-large motor, 505-small synchronous pulley, 506-medium synchronous pulley, 507-large synchronous pulley, 508-synchronous belt set, 509-first tensioning element, 5010-second tensioning element, 5011-power supply interface, 5012-power supply module, 5013-controller, 5014-switch, 5015-radiation cooling fan, 6-cotton collecting mechanism, 601-first linter roller sheet metal, 602-second linter roller sheet metal, 603-linter roller, 604-top sub fixing piece, 605-top sub bolt, 606-limiting nut, 607-third compression spring, 7-sensor. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0020] The purpose of this invention is to provide a cyclic folding sample preparation device and method for rapid detection of short fiber content in cotton, so as to solve the problems existing in the prior art, realize rapid, accurate, and low-damage fully automatic sample preparation, significantly reduce the manpower and material resources consumed in the sample preparation process, and improve sample preparation efficiency.
[0021] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0022] Example 1 like Figures 1-9 As shown, this embodiment provides a circulating folding sample preparation device 100 for rapid detection of short fiber rate in cotton. It includes a frame 1, and a drafting and conveying mechanism 3, a circulating folding mechanism 4, a power control mechanism 5, and a cotton collecting mechanism 6 installed within the frame 1. The circulating folding mechanism 4 is used to compact and bundle the initial cotton sample. The drafting and conveying mechanism 3 is used to draft the compacted and bundled cotton sample, making it elongated and thinner, causing the fibers to move relative to each other along their length, reducing bending hooks, and aligning them in a parallel and straight manner. The drafting and conveying mechanism 3 can also transport the drafted cotton sample to the circulating folding mechanism 4, which is used to fold the drafted cotton sample and compact it. The drafting and conveying mechanism 3 can also fold the cotton sample... The cotton sample is then transported to the cotton collection mechanism 6, enabling selective transport of the cotton sample in different directions. Through folding and re-stretching technology, the prepared cotton sample has better uniformity, and the internal cotton fiber structure forms a continuous and consistent distribution in the stretching direction. The cotton collection mechanism 6 is used to collect the finished cotton sample, and the power control mechanism 5 is used to control the operation of the stretching and conveying mechanism 3 and the circulating folding mechanism 4. Integrating multiple mechanisms on the frame 1 makes the overall structure compact and small in size. At the same time, it also realizes fully automatic sample preparation. After feeding the cotton, no manual intervention is required to complete the rapid preparation of the cotton sample, achieving rapid, accurate, and low-damage fully automatic sample preparation, greatly reducing labor intensity, improving sample preparation efficiency, and meeting the needs of large-scale testing.
[0023] Specifically, the frame 1 includes a bottom support shell 107, a first protective shell, a second protective shell, and a waste box 1013. The first and second protective shells are symmetrically installed on the upper surface of the bottom support shell 107, and are respectively located close to the two sides of the bottom support shell 107. The waste box 1013 is located between the first and second protective shells, and is located between the upper surface of the bottom support shell 107 and the drafting and conveying mechanism 3. The bottom support shell 107 is used to install the power control mechanism 5. The first and second protective shells are respectively used to connect the two sides of the drafting and conveying mechanism 3, the two sides of the circulating folding mechanism 4, and the two sides of the cotton collecting mechanism 6, thereby providing support and protection for the above mechanisms, so that they cooperate with each other in the designed position for sample preparation. The space between the first and second protective shells is used for cotton sample passage.
[0024] The bottom support shell 107 comprises a bottom shell body, an upper bottom plate 108, a lower bottom plate 109, an electrical bottom plate 1010, rubber supports 1011 and a handle 1012, the upper bottom plate 108 is installed at the upper end opening of the bottom shell body, the lower bottom plate 109 is installed at the lower end opening of the bottom shell body by screws, the electrical bottom plate 1010 is installed at the middle of the upper end face of the lower bottom plate 109 and is fixed by bolts, the upper end of the electrical bottom plate 1010 is used for installing the power control mechanism 5, the handle 1012 is installed at both ends of the bottom shell body by screws and is used for realizing the overall carrying, and each rubber support 1011 is installed at each corner of the lower end face of the bottom shell body by bolts; The first protective shell comprises a first shell body 103, a first inner side plate 102 and a first outer side plate 101, the first shell body 103 is installed at the upper end of the upper bottom plate 108, the first outer side plate 101 is installed at the side close to the second protective shell of the first shell body 103 by countersunk holes and bolts, and the first inner side plate 102 is installed at the side close to the second protective shell of the first outer side plate 101 by bolts, and the first inner side plate 102 is arranged close to the circulating folding mechanism 4; The second protective shell comprises a second shell body 106, a second inner side plate 105 and a second outer side plate 104, the second shell body 106 is installed at the upper end of the upper bottom plate 108, the second outer side plate 104 is installed at the side close to the first protective shell of the second shell body 106 by countersunk holes and bolts, and the second inner side plate 105 is installed at the side close to the first protective shell of the second outer side plate 104 by bolts, and the second inner side plate 105 is arranged close to the circulating folding mechanism 4; The first outer side plate 101 and the second outer side plate 104 are respectively used for connecting the two sides of the drafting and conveying mechanism 3, the two sides of the circulating folding mechanism 4 and the two sides of the collecting mechanism 6.
[0025] The drafting and conveying mechanism 3 is composed of the drafting mechanism 2 and the conveying mechanism 3, the inlet of the drafting mechanism 2 corresponds to the converging device 404 of the circulating folding mechanism 4, the outlet of the drafting mechanism 2 corresponds to the inlet of the conveying mechanism 3, the conveying mechanism 3 has two outlets, the large metal roller 301 guides and selects the conveying outlet, one of the outlets corresponds to the upper folding element 401 of the circulating folding mechanism 4, and the other outlet is close to the cotton collecting mechanism 6. The drafting and conveying mechanism 3 includes the small metal roller 205, the middle metal roller 204, a plurality of leather rollers 203 and a plurality of pressing elements, both ends of each small metal roller 205, both ends of each middle metal roller 204 and both ends of each leather roller 203 are respectively rotatably connected to the two side walls of the frame 1, as a preferred solution in the embodiment, the U groove bearing 202 is arranged in the inner recess of the first outer side plate 101 and the second outer side plate 104, both ends of each leather roller 203 are respectively arranged in the U groove bearing 202 of the first outer side plate 101 and the second outer side plate 104, a plurality of bearing step holes are arranged on the first outer side plate 101 and the second outer side plate 104, a deep groove ball bearing 201 is arranged in each bearing step hole, both ends of the middle metal roller 204 and the small metal roller 205 are arranged at the deep groove ball bearings 201 on both sides, the diameter of the middle metal roller 204 is greater than that of the small metal roller 205, and the linear speed of the middle metal roller 204 is greater than that of the small metal roller 205, the cotton sample is gripped by the contact between the middle metal roller 204 and the leather roller 203 and the contact between the small metal roller 205 and the leather roller 203, and then the cotton sample is conveyed, because the speed of the rear roller is higher than that of the front roller, the cotton fibers can be drafted, the drafting of the cotton sample is realized, the morphology of the cotton fibers is kept consistent along the axis direction of the fibers, and the cotton sample has good uniformity, The small metal roller 205 is two, the first small metal roller 205 and the second small metal roller 205, the middle metal roller 204 is two, the first middle metal roller 204 and the second middle metal roller 204, the lower leather roller 203 in the lower part of the rack 1 is the lower leather roller 203, and the upper leather roller 203 in the upper part of the rack 1 is the upper leather roller 203. A plurality of lower leather rollers 203 are arranged in sequence along the conveying direction of the cotton sample, and the lower end of each lower leather roller 203 is connected with a pressing element. The first middle metal roller 204 and the first small metal roller 205 are located above the lower leather roller 203, and the first small metal roller 205 is located on the side of the middle metal roller 204 close to the circulating folding mechanism 4. Two adjacent lower leather rollers 203 can be pressed against the outer periphery of the first middle metal roller 204 under the action of the pressing element, and the other lower leather roller 203 can be pressed against the outer periphery of the first small metal roller 205 under the action of the pressing element. The first small metal roller 205 and the corresponding lower leather roller 203, and the first middle metal roller 204 and the corresponding lower leather roller 203 can be used to clamp different parts of the cotton sample, respectively. The upper leather roller 203 and the second small metal roller 205 are located above the first middle metal roller 204, and the upper leather roller 203 can be pressed against the outer periphery of the second small metal roller 205 under the action of the pressing element. The second middle metal roller 204 is arranged close to the cotton collecting mechanism 6, and the outer periphery of the second middle metal roller 204 contacts the upper end of one of the lower leather rollers 203 and is used to convey the finished cotton sample to the cotton collecting mechanism 6. The outer periphery of each leather roller 203 corresponds to a felt roller 2011, which is installed on the rack 1 and arranged obliquely below the leather roller 203. When the leather roller 203 rotates, it can rotate relative to the felt roller 2011, and then the fiber and impurities on the outer periphery of the leather roller 203 can be removed through the felt roller 2011. As a preferred embodiment in the present embodiment, the felt roller 2011 is installed between the first outer side plate 101 and the second outer side plate 104 and locked by the screw nuts on both sides. The two lower leather rollers 203 in the middle, the first middle metal roller 204, the first small metal roller 205 and the leather roller 203 in contact with the first small metal roller 205 constitute the drafting mechanism 2, and the rest is the conveying mechanism 3.
[0026] The top pressing element includes a compression spring and a steel ball 206, a plurality of flat-end set screws 2010 are installed in the frame 1, each flat-end set screw 2010 is connected with a column-end set screw 209, the steel ball 206 is installed on the frame 1, preferably in the threaded hole of the first outer side plate 101 and the second outer side plate 104, the threaded hole is in communication with the recess, thereby ensuring that the steel ball 206 can tightly adhere to the U-shaped groove bearing 202, thereby enabling the compression spring to lift the U-shaped groove bearing 202 through the steel ball 206, and in turn lift the corresponding metal roller, one end of each compression spring abuts against the corresponding column-end set screw 209, the other end of each compression spring abuts against the corresponding steel ball 206, and the compression spring is located in the threaded hole where the steel ball 206 is located, which can guide the extension and contraction of the compression spring. The compression spring is divided into first compression springs 207 and second compression springs 208, the compression springs that contact the lower cover roller 203 at the position where the small metal roller 205 is pressed, the one lower cover roller 203 that contacts the first middle metal roller 204, and the compression springs that contact the upper cover roller 203 are the first compression springs 207, the other lower cover roller 203 that contacts the first middle metal roller 204, the lower cover roller 203 that contacts the second middle metal roller 204, and the compression springs that contact the cotton pressing roller 403 are the second compression springs 208.
[0027] The drafting and conveying mechanism 3 further includes a large metal roller 301, the large metal roller 301 is installed on the side of the middle metal roller 204 away from the circulating folding mechanism 4, and the large metal roller 301 does not directly contact the cover roller 203, the large metal roller 301 can rotate forward and reverse, when the large metal roller 301 rotates forward, it can drive the cotton sample output by the middle metal roller 204 to move towards the circulating folding mechanism 4, and when the large metal roller 301 rotates reverse, it can drive the cotton sample output by the middle metal roller 204 to move towards the cotton collecting mechanism 6.
[0028] The circulating folding mechanism 4 comprises a photoelectric sensor 7, an upper folding element 401, a lower folding element 402, a cotton pressing roller 403 and a converging device 404, the upper folding element 401 is located above the lower folding element 402, and the upper folding element 401 is connected to the first outer side plate 101 and the second outer side plate 104 on both sides through bolts, the first end of the lower folding element 402 is used for the initial cotton sample to enter, the second end of the lower folding element 402 is arranged close to the drafting conveying mechanism 3, the upper folding element 401 is arranged obliquely, and the lowest end of the upper folding element 401 is located above the middle part of the lower folding element 402, and the highest end of the upper folding element 401 extends to the drafting conveying mechanism 3, the cotton pressing roller 403 is located between the second end of the lower folding element 402 and below the upper folding element 401, and both ends of the cotton pressing roller 403 are installed on the first outer side plate 101 and the second outer side plate 104 through U groove bearings 202, a top pressing element is arranged above the cotton pressing roller 403, the top pressing element presses the cotton pressing roller 403 against the second end of the lower folding element 402, so as to ensure that the cotton sample can be pressed tightly, the photoelectric sensor 7 is installed on the rack 1 and arranged close to the first end of the lower folding element 402, and the photoelectric sensor 7 is used for detecting whether the cotton sample reaches the folding position. In operation, the upper folding element 401 rotates forward and conveys the front end of the cotton sample to the lower folding element 402, the lower folding element 402 first rotates forward to convey the cotton sample to the first end of the lower folding element 402, when the photoelectric sensor 7 detects that the cotton sample reaches the specified position, a signal can be transmitted to the controller 5013, and the controller 5013 controls the lower folding element 402 to rotate reversely, at the same time, the upper folding element 401 rotates forward, and the cotton sample is folded by the cooperation of the lower folding element 402 and the upper folding element 401, the folded cotton sample is driven by the lower folding element 402 to enter between the cotton pressing roller 403 and the second end of the lower folding element 402, and the cotton pressing roller 403 is used for pressing the cotton sample, the converging device 404 is located on one side of the cotton pressing roller 403 close to the cotton collecting mechanism 6, both ends of the converging device 404 pass through corresponding through holes in the first outer side plate 101 and the second outer side plate 104 and are installed between the lower folding element 402 and the drafting conveying mechanism 3, and are fixed by two side nuts, the converging device 404 is composed of two vertical rods, and in order to realize converging the cotton sample into different widths, the converging device 404 is adjustable, that is, by installing the converging device 404 in different through holes of the first outer side plate 101 and the second outer side plate 104, the distance between the two vertical rods of the converging device 404 is adjusted, so as to limit the width of the cotton sample, and the converging device 404 is used for converging the pressed cotton sample, the converged cotton sample can maintain a certain width, and the converged cotton sample can be sent to the cotton collecting mechanism 6 through the drafting conveying mechanism 3.
[0029] The power control mechanism 5 provides power and ensures the coordinated movement of all mechanisms. Specifically, it includes a power module 5012, a controller 5013, a switch 5014, a cooling fan 5015, multiple drive motors, multiple synchronous pulleys, and multiple synchronous belts. The drive motors are divided into a large motor 504 and a small motor 503. The synchronous pulleys are divided into a large synchronous pulley 507, a medium synchronous pulley 506, and a small synchronous pulley 505. The small motor 503 is fixed to the upper base plate 108 via a small motor fixing sheet metal 501 and bolts. The large motor 504 is fixed to the large motor fixing sheet metal 502 and bolts. The bolts are fixed to the upper base plate 108. One large motor fixing sheet metal 502 and two small motor fixing sheet metals 501 are located on the same side of the electrical base plate 1010, and the other large motor fixing sheet metal 502 is located on the other side of the electrical base plate 1010. The small synchronous pulley 505 is mounted on the first middle metal roller 204, the large motor 504 and the small motor 503. The middle synchronous pulley 506 is fixed on the first small metal roller 205 and the large metal roller 301. The large synchronous pulley 507 is fixed on the large metal roller 301. All synchronous pulleys are located on the first outer plate 101 and the second outer plate 101. On the outer side of plate 104, a timing belt assembly 508 is installed between the timing pulleys and used to transmit power. A first tensioning element 509 and a second tensioning element 5010 are provided on the outer side of both the first outer plate 101 and the outer side of the second outer plate 104. Both the first tensioning element 509 and the second tensioning element 5010 are used to tension the timing belt assembly 508. The drive motor, power module 5012, and switch 5014 are all electrically connected to the controller 5013. The power module 5012 is installed on the electrical base plate 1010, and the drive motor is used to rotate forward under the control of the controller 5013. And / or reverse, the synchronous pulley can cooperate with the synchronous belt, and drive the stretching conveyor mechanism 3 and the circulating folding mechanism 4 to move under the drive of the drive motor. The cooling fan 5015 is installed inside the bottom support shell 107 and is set near the controller 5013. The cooling fan 5015 is used for heat dissipation. The power interface 5011 is installed in the reserved hole on one side of the bottom support shell 107 by bolts. The switch 5014 is installed on the frame 1, preferably on the side of the bottom support shell 107, for easy operation by the operator. The switch 5014 is used to control the opening and closing of the power module 5012. The controller 5013 controls the output power of the small motor 503 and the large motor 504 respectively. Through the cooperation of the synchronous belt group 508, the small synchronous belt pulley 505, the medium synchronous belt pulley 506 and the large synchronous belt pulley 507, the power is transmitted to the stretching mechanism 2, the conveying mechanism 3 and the circulating folding mechanism 4, so that each mechanism cooperates with each other to complete the cotton sample preparation. The first tensioning element 509 and the second tensioning element 5010 are responsible for tensioning the conveyor belt group. The power interface 5011 is connected to the power module 5012 through the wire. The power module 5012 is responsible for voltage conversion and is connected to the controller 5013. The switch 5014 is responsible for starting and stopping the equipment. The cooling fan 5015 is responsible for further heat dissipation to prevent the equipment from overheating.
[0030] The cotton collecting mechanism 6 comprises a first felt roller plate 601, a second felt roller plate 602, a felt roller 603 and two top sub-elements. The first felt roller plate 601 and the second felt roller plate 602 are symmetrically arranged in the frame 1, and the first felt roller plate 601 is arranged on the first outer side plate 101, and the second felt roller plate 602 is arranged on the second outer side plate 104. The first felt roller plate 601 and the second felt roller plate 602 are arranged near the two ends of the felt roller 603 respectively, and the two ends of the felt roller 603 extend out of the first felt roller plate 601 and the second felt roller plate 602 and are rotatably connected in the frame 1. The first felt roller plate 601 and the second felt roller plate 602 are both provided with a groove for limiting the end of the felt roller 603. The two top sub-elements are arranged on the inner side walls of the first felt roller plate 601 and the second felt roller plate 602 respectively, and one of the two top sub-elements is arranged between the first felt roller plate 601 and one end of the felt roller 603, and the other top sub-element is arranged between the second felt roller plate 602 and the other end of the felt roller 603. One end of the top sub-element can abut against the rotating shaft of the felt roller 603.
[0031] The top sub-element comprises a top sub-fixing element 604, a top sub-bolt 605, a limiting nut 606 and a third compression spring 607. The top sub-fixing element 604 is arranged on the first felt roller plate 601 or the second felt roller plate 602. The top sub-bolt 605 can pass through the top sub-fixing element 604 and abut against the outer side wall of the rotating shaft of the felt roller 603. The limiting nut 606 is threadedly connected to one end of the top sub-bolt 605 away from the rotating shaft of the felt roller 603. The third compression spring 607 is sleeved on the outer periphery of the top sub-bolt 605, and one end of the third compression spring 607 abuts against the inner wall of the top sub-fixing element 604, and the other end of the third compression spring 607 abuts against the other end of the top sub-bolt 605 away from the limiting nut 606. In use, the top sub-bolt 605 pushes the felt roller 603 to abut against the second metal roller 204 to collect the prepared cotton sample. As a preferred scheme in the embodiment, the top sub-fixing element 604 is provided with threaded holes on both sides and a stepped hole in the middle. The threaded holes on both sides are fixed on the first felt roller plate 601 and the second felt roller plate 602, and the top sub-bolt 605 passes through the stepped hole in the middle.
[0032] The cotton sample is guided and transported to the circulating folding mechanism 4 or the cotton collecting mechanism 6 by the conveying mechanism 3, the circulating folding mechanism 4 is used for folding the cotton sample after drafting, the folding times correspond to the drafting ratio of the drafting mechanism 2, the power control mechanism 5 is used for providing power for the drafting mechanism 2, the conveying mechanism 3 and the circulating folding mechanism 4, and the controller 5013 is used for controlling and coordinating the actions of the mechanisms, and cooperating with the sensor 7 to fold the cotton sample after drafting, and the cotton collecting mechanism 6 is used for collecting the finished cotton sample, so that the overall volume is small and the structure is compact, and the curve drafting design is adopted, which not only has better holding force on the cotton fiber and is beneficial to the drafting of the cotton fiber, but also has small damage to the fiber, and realizes the selective transportation of the cotton sample in different directions, through the folding and then drafting technology, the prepared cotton sample has better uniformity, and the internal cotton fiber organization forms continuous and consistent distribution in the drafting direction, and finally realizes the full-automatic sample preparation, the rapid preparation of the cotton sample can be completed without manual intervention after feeding the cotton, the labor intensity is greatly reduced, and the large-scale detection demand can be met.
[0033] Embodiment two The embodiment provides a circulating folding sample preparation method for rapid detection of a cotton short fiber rate, and uses the circulating folding sample preparation device 100 for rapid detection of the cotton short fiber rate in the embodiment one, and the initial cotton sample (preferably 5cm-10cm in length) is placed on the lower folding element 402 of the circulating folding mechanism 4, is transported to the drafting conveying mechanism 3 for clamping and drafting after being compacted and bundled, and is continuously transported to the upper folding element 401 of the circulating folding mechanism 4 by the drafting conveying mechanism 3, the folding of the cotton sample is realized through cooperation of the upper folding element 401 and the lower folding element 402, the folded cotton sample is continuously transported and drafted again, and the above process is repeated for multiple times, when the cotton sample reaches the detection requirement, the cotton sample is transported to the cotton collecting mechanism 6 by the drafting conveying mechanism 3, and the cotton sample is taken from the cotton collecting mechanism 6 by a worker, so that the short fiber rate is detected.
[0034] The principle and implementation mode of the present application are described by using specific examples in the present application, the above embodiment is only used for helping to understand the method and core idea of the present application; meanwhile, according to the idea of the present application, the specific implementation mode and application range can be changed by the person skilled in the art. In conclusion, the content of the present application should not be understood as the limitation of the present application.
Claims
1. A circulating folding sample preparation device for rapid detection of short fiber rate of cotton, characterized in that: The machine frame comprises a machine frame, a draft conveying mechanism, a circulating folding mechanism, a power control mechanism and a cotton collecting mechanism, the circulating folding mechanism is used for compacting and converging the initial cotton sample, the draft conveying mechanism is used for drafting the compacted and converged cotton sample, and the draft conveying mechanism can convey the drafted cotton sample to the circulating folding mechanism, the circulating folding mechanism is used for folding the drafted cotton sample, the draft conveying mechanism can also convey the folded cotton sample to the cotton collecting mechanism, the cotton collecting mechanism is used for collecting the finished cotton sample, and the power control mechanism is used for controlling the draft conveying mechanism and the circulating folding mechanism.
2. The cyclic folding sample preparation device for rapid detection of short fiber content of cotton according to claim 1, characterized in that: The machine frame comprises a bottom support shell, a first protective shell, a second protective shell and a waste box, the first protective shell and the second protective shell are symmetrically installed on the upper end surface of the bottom support shell, and the first protective shell and the second protective shell are respectively arranged near the two sides of the bottom support shell, the waste box is located between the first protective shell and the second protective shell, and the waste box is located between the upper end surface of the bottom support shell and the draft conveying mechanism, the bottom support shell is used for installing the power control mechanism, the first protective shell and the second protective shell are respectively used for connecting the two sides of the draft conveying mechanism, the two sides of the circulating folding mechanism and the two sides of the cotton collecting mechanism, and the first protective shell and the second protective shell are used for passing the cotton sample.
3. The cyclic folding sample preparation device for rapid detection of short fiber content of cotton according to claim 2, characterized in that: The bottom support shell comprises a bottom shell body, an upper bottom plate, a lower bottom plate, an electrical bottom plate, rubber supports and a handle, the upper bottom plate is installed at the upper end opening of the bottom shell body, the lower bottom plate is installed at the lower end opening of the bottom shell body, the electrical bottom plate is installed on the upper end surface of the lower bottom plate, and the upper end of the electrical bottom plate is used for installing the power control mechanism, the handle is installed at the two ends of the bottom shell body, and each rubber support is installed at each corner of the lower end surface of the bottom shell body. The first protective shell comprises a first shell body, a first inner side plate and a first outer side plate, the first shell body is installed on the upper end of the upper bottom plate, the first outer side plate is installed on one side of the first shell body close to the second protective shell, and the first inner side plate is installed on one side of the first outer side plate close to the second protective shell, and the first inner side plate is arranged close to the circulating folding mechanism. The second protective shell comprises a second shell body, a second inner side plate and a second outer side plate, the second shell body is installed on the upper end of the upper bottom plate, the second outer side plate is installed on one side of the second shell body close to the first protective shell, and the second inner side plate is installed on one side of the second outer side plate close to the first protective shell, and the second inner side plate is arranged close to the circulating folding mechanism. The first outer side plate and the second outer side plate are respectively used for connecting the two sides of the draft conveying mechanism, the two sides of the circulating folding mechanism and the two sides of the cotton collecting mechanism.
4. The cyclic folding sample preparation device for rapid detection of short fiber content of cotton according to claim 1, wherein: The drafting and conveying mechanism comprises small metal rollers, middle metal rollers, a plurality of leather rollers and a plurality of pressing elements, two ends of each of the small metal rollers, two ends of each of the middle metal rollers and two ends of each of the leather rollers are respectively rotatably connected to the two side walls of the frame, the diameter of the middle metal roller is larger than the diameter of the small metal roller, and the linear speed of the middle metal roller is greater than the linear speed of the small metal roller, the small metal roller is two, which are a first small metal roller and a second small metal roller, the middle metal roller is two, which are a first middle metal roller and a second middle metal roller, the leather roller located in the lower part of the frame is a lower leather roller, the leather roller located in the upper part of the frame is an upper leather roller, a plurality of the lower leather rollers are arranged in sequence along the conveying direction of the cotton sample, and the lower end of each of the lower leather rollers is correspondingly connected to one of the pressing elements, the first middle metal roller and the first small metal roller are located above the lower leather roller, the first small metal roller is located on the side of the middle metal roller close to the circulating folding mechanism, wherein two adjacent lower leather rollers can be pressed against the outer periphery of the first middle metal roller under the action of the pressing element, and the other lower leather roller can be pressed against the outer periphery of the first small metal roller under the action of the pressing element, the first small metal roller and the corresponding lower leather roller, and the first middle metal roller and the corresponding lower leather roller can be used to clamp different parts of the cotton sample respectively, the upper leather roller and the second small metal roller are located above the first middle metal roller, and the upper leather roller can be pressed against the outer periphery of the second small metal roller under the action of the pressing element, the second middle metal roller is arranged close to the cotton collecting mechanism, and the outer periphery of the second middle metal roller contacts the upper end of one of the lower leather rollers and is used to convey the finished cotton sample to the cotton collecting mechanism, the outer periphery of each of the leather rollers is correspondingly contacted with a felt roller, the felt roller is installed on the frame, and when the leather roller rotates, the felt roller can remove the fibers and impurities on the outer periphery of the leather roller.
5. The cyclic folding sample preparation device for rapid detection of short fiber content of cotton according to claim 4, wherein: The pressing element comprises a compression spring and a steel ball, a plurality of flat-end set screws are installed in the frame, one column-end set screw is connected to each of the flat-end set screws, the steel ball is installed on the frame, and the steel ball can contact the bearing at the corresponding leather roller, one end of each of the compression springs abuts against the corresponding column-end set screw, and the other end of each of the compression springs abuts against the corresponding steel ball.
6. The cyclic folding sample preparation device for rapid detection of short fiber content of cotton according to claim 4, wherein: The drafting and conveying mechanism further comprises a large metal roller, the large metal roller is installed on the side of the middle metal roller away from the circulating folding mechanism, and the large metal roller can rotate forward and reverse, when the large metal roller rotates forward, it can drive the cotton sample output by the middle metal roller to move towards the circulating folding mechanism, and when the large metal roller rotates reverse, it can drive the cotton sample output by the middle metal roller to move towards the cotton collecting mechanism.
7. The cyclic folding sample preparation device for rapid detection of short fiber content of cotton according to claim 4, wherein: The circulating folding mechanism comprises a photoelectric sensor, an upper folding element, a lower folding element, a cotton pressing roller and a converging device, the upper folding element is located above the lower folding element, a first end of the lower folding element is used for initial cotton sample entering, a second end of the lower folding element is arranged close to the drafting conveying mechanism, the upper folding element is arranged obliquely, a lowest end of the upper folding element is located above a middle part of the lower folding element, a highest end of the upper folding element extends to the drafting conveying mechanism, the cotton pressing roller is located between the second end of the lower folding element and below the upper folding element, a corresponding top pressing element is arranged above the cotton pressing roller, the top pressing element is used for pressing the cotton pressing roller to the second end of the lower folding element, the photoelectric sensor is installed on the frame and arranged close to the first end of the lower folding element, and the photoelectric sensor is used for detecting whether the cotton sample reaches the folding position, the upper folding element is used for conveying the cotton sample to the lower folding element when the upper folding element rotates forward, the lower folding element is used for conveying the cotton sample to the first end of the lower folding element when the lower folding element rotates forward, when the photoelectric sensor detects the cotton sample, the lower folding element reverses and the upper folding element maintains forward rotation, two ends of the cotton sample are located on the upper folding element and the lower folding element respectively, the upper folding element and the lower folding element can fold the cotton sample, the folded cotton sample enters between the cotton pressing roller and the second end of the lower folding element under the driving of the lower folding element, and the cotton pressing roller is used for pressing the cotton sample, the converging device is located on a side of the cotton pressing roller close to the cotton collecting mechanism, and the converging device is used for converging the pressed cotton sample, the converged cotton sample can be sent to the cotton collecting mechanism through the drafting conveying mechanism.
8. The device for making sample for fast detection of short fiber content of cotton according to claim 1, wherein: The power control mechanism comprises a power module, a controller, a switch, a heat dissipation fan, a plurality of driving motors, a plurality of synchronous pulleys and a plurality of synchronous belts, the driving motors, the power module and the switch are electrically connected with the controller, the driving motors are used for forward rotation and / or reverse rotation under the control of the controller, the synchronous pulleys can cooperate with the synchronous belts and drive the drafting conveying mechanism and the circulating folding mechanism to act under the driving of the driving motors, the heat dissipation fan is arranged close to the controller and is used for heat dissipation, and the switch is installed on the frame and is used for controlling the opening and closing of the power module.
9. The device for making sample for fast detection of short fiber content of cotton according to claim 1, wherein: The lint collecting mechanism comprises a first lint roller plate, a second lint roller plate, a lint roller and two top sub-elements, the first lint roller plate and the second lint roller plate are symmetrically installed in the frame, and the first lint roller plate and the second lint roller plate are respectively arranged close to two ends of the lint roller, two ends of the lint roller respectively extend out of the first lint roller plate and the second lint roller plate and are rotationally connected to the frame, two top sub-elements are respectively installed on the inner side wall of the first lint roller plate and the inner side wall of the second lint roller plate, and one of the top sub-elements is located between the first lint roller plate and one end of the lint roller, and the other top sub-element is located between the second lint roller plate and the other end of the lint roller, and one end of the top sub-element can tightly abut against the rotating shaft of the lint roller.
10. A method for rapid detection of short fiber content in cotton, the method comprising: folding a sample of cotton in a circular manner; and detecting the short fiber content in the sample. The use of the folding device for rapid detection of short fiber rate of cotton according to any one of claims 1-9, comprising: placing the initial cotton sample on the lower folding element of the folding mechanism, conveying the compacted and bundled cotton sample to the drafting conveying mechanism for clamping and drafting, and continuously conveying the drafted cotton sample to the upper folding element of the folding mechanism through the drafting conveying mechanism, realizing the folding of the cotton sample through the cooperation of the upper folding element and the lower folding element, and continuously conveying and drafting the folded cotton sample for multiple times, and when the cotton sample reaches the detection requirement, conveying the cotton sample to the lint collecting mechanism through the drafting conveying mechanism, and taking the cotton sample from the lint collecting mechanism by the worker for short fiber rate detection.