Raw cotton impurity analyzer of antistatic roller shaft

Abstract

The utility model discloses a raw cotton impurity analyzer with an antistatic roller shaft, which belongs to the technical field of textile machinery, and comprises a rack, a surface table at a feeding end and a carding roller, the roller shaft is arranged at the upper end of the surface table, the roller shaft is made of an integrated antistatic nylon material, transverse flutes are arranged on the surface of the roller shaft, and the surface resistivity is 10-10 omega.cm; positioning assemblies are installed on the two sides of the rack, each positioning assembly comprises a hydraulic air cylinder, a positioning clamping jaw and a pressure sensor, the telescopic end of each hydraulic air cylinder abuts against the end of the corresponding roller shaft through the corresponding positioning clamping jaw so that the roller shaft can be attached to the cambered surface of the corresponding surface table, and the pressure sensors monitor pressure values in real time and feed the pressure values back to the control system; by means of the integrated antistatic nylon roller shaft, the precise positioning mechanism driven by the hydraulic air cylinder and the bevel gear transmission assembly, electrostatic interference is effectively eliminated, millimeter-level dynamic positioning is achieved, friction loss is reduced, and raw cotton impurity detection precision and equipment operation stability are remarkably improved.

Description

A raw cotton impurity analyzer with an antistatic roller shaft Technical Field

[0001] This utility model relates to the field of textile machinery technology, specifically to a raw cotton impurity analyzer with an antistatic roller shaft, which is suitable for high-precision detection of the impurity content of raw cotton. Background Technology

[0002] Before processing, raw cotton needs to have its impurity content determined by an impurity analyzer to ensure the quality of subsequent spinning and dyeing. In existing technology, the key component of the raw cotton impurity analyzer—the roller shaft—is typically made of metal (such as steel). During high-speed rotation, this metal shaft easily generates static electricity through friction with the stage, leading to cotton entanglement and dust adsorption, increasing impurity interference. Furthermore, the positioning of the roller shaft often relies on manually adjusting bolts or manual pressing devices, which presents the following problems:

[0003] Low positioning accuracy: Manual adjustment relies on operating experience, and the pressure value cannot be monitored in real time, which can easily lead to loose contact between the roller shaft and the platform, affecting the stability of raw cotton conveying.

[0004] High frictional loss: Long-term friction between the metal roller shaft and the platform can easily wear down the equipment, shorten its service life, and generate metal shavings that mix into the raw cotton, causing secondary pollution.

[0005] Severe electrostatic interference: Metal materials easily accumulate static electricity, attracting cotton fibers and impurities, interfering with the accuracy of test results.

[0006] In existing patented technologies, some solutions adjust roller pressure by changing the spring specifications (such as CN214473351U), but this requires frequent disassembly of components, making the operation cumbersome. Other solutions use servo electric cylinders to adjust the roller position (such as CN216525820U), which improves accuracy but is structurally complex and costly. Therefore, there is an urgent need for a roller shaft device that combines anti-static properties, precise positioning, and efficient transmission to address the aforementioned technical challenges. Summary of the Invention

[0007] 1. Technical problem to be solved:

[0008] To address the problems existing in the prior art, the purpose of this utility model is to provide a raw cotton impurity analyzer with an antistatic roller shaft, utilizing an integrated antistatic nylon roller shaft (surface resistivity 10). 6 -10 8 The precise positioning mechanism driven by hydraulic cylinders (Ω·cm) and bevel gear transmission components effectively eliminate electrostatic interference, achieve millimeter-level dynamic positioning, reduce friction loss, and significantly improve the accuracy of raw cotton impurity detection and the stability of equipment operation.

[0009] 2. Technical Solution:

[0010] To solve the above problems, the present invention adopts the following technical solution.

[0011] A raw cotton impurity analyzer with an antistatic roller shaft includes a frame, a feeding end platform, and a combing roller.

[0012] The upper end of the platform is equipped with a roller shaft, which is made of one-piece antistatic nylon material, and its surface has transverse grooves with a surface resistivity of 10. 6 -10 8 Ω·cm;

[0013] Positioning components are installed on both sides of the frame. The positioning components include hydraulic cylinders, positioning grippers, and pressure sensors. The telescopic end of the hydraulic cylinder presses against the end of the roller shaft through the positioning grippers, so that it fits against the arc surface of the positioning table. The pressure sensor monitors the pressure value in real time and feeds it back to the control system.

[0014] A first transmission assembly is provided on one side of the roller shaft, including a first bevel gear and a second bevel gear meshing at 90°, wherein the first bevel gear is driven by a first servo motor;

[0015] The combing roller is driven by a second transmission assembly, which includes a combing roller shaft driven by a second servo motor via a pulley set.

[0016] A further improvement is that the end of the positioning gripper is provided with a guide groove, the inner diameter of which is adapted to the end of the roller shaft, and the positioning gripper is embedded with a piezoelectric ceramic sheet to eliminate instantaneous frictional offset between the roller shaft and the positioning platform.

[0017] A further improvement is that the positioning base is fixed to the side of the frame by bolts, and the hydraulic cylinder is welded to the positioning base.

[0018] A further improvement is that the first servo motor is installed inside a bracket, the bracket is fixed to one side of the frame, and the second bevel gear is fixed to the end of the roller shaft by bolts.

[0019] A further improvement is that the second servo motor is installed at the bottom of the frame, and the pulley group includes a first pulley, a second pulley and a belt, with the second pulley fixed to the drive shaft end of the combing roller.

[0020] 3. Beneficial effects:

[0021] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0022] (1) Excellent antistatic performance: Through the one-piece antistatic nylon material roller shaft (surface resistivity 10) 6 -10 8The Ω·cm) and transverse groove design effectively suppresses static electricity accumulation, reduces cotton tangling and dust adsorption, and reduces impurity interference;

[0023] (2) Precise and reliable positioning: The positioning gripper is driven by a hydraulic cylinder, and the pressure sensor monitors and feeds back the pressure value to the control system in real time to ensure that the roller shaft fits tightly with the arc surface of the positioning table and achieves millimeter-level positioning accuracy;

[0024] (3) High-efficiency and low-consumption transmission: The transmission components of the first bevel gear and the second bevel gear meshing at 90° are combined with the first servo motor to reduce power loss and improve speed stability;

[0025] (4) Long equipment life: The antistatic nylon material has a low coefficient of friction, which reduces the friction and wear between the roller shaft and the positioning table. At the same time, the hydraulic positioning mechanism avoids manual adjustment errors, reducing maintenance frequency and cost.

[0026] It should be noted that the structures not described in this utility model are the same as or can be implemented using existing technology, and will not be elaborated here, as they do not involve the design points and improvement directions of this utility model. Attached Figure Description

[0027] Figure 1 is a schematic diagram of the overall structure of this utility model;

[0028] Figure 2 is a structural schematic diagram of the positioning component of this utility model;

[0029] Figure 3 is a schematic diagram of the structure of the first transmission component of this utility model;

[0030] Figure 4 is a schematic diagram of the structure of the second transmission component of this utility model.

[0031] Explanation of the labels in the diagram:

[0032] 1. Frame; 2. Layout table; 3. Roller shaft;

[0033] 4. Positioning assembly; 41. Positioning base; 42. Hydraulic cylinder; 43. Positioning gripper; 44. Pressure sensor;

[0034] 5. First transmission assembly; 51. Bracket; 52. First servo motor; 53. First bevel gear; 54. Second bevel gear;

[0035] 6. Combing roller; 61. Second servo motor; 62. First pulley; 63. Second pulley; 64. Belt. Detailed Implementation

[0036] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0037] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0039] In this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "fixed," "provided with," and "located in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0040] Please refer to Figures 1-4. This utility model provides a raw cotton impurity analyzer with an antistatic roller shaft, including a frame 1, a platform 2, a combing roller 6, a first transmission assembly 5, and a second transmission assembly. Its core improvement lies in:

[0041] Antistatic roller shaft 3: Made of one-piece antistatic nylon material, with transverse grooves on the surface, and resistivity controlled at 10. 6 -10 8 Ω·cm, effectively eliminating electrostatic adsorption;

[0042] Hydraulic positioning mechanism: Positioning grippers 43 driven by hydraulic cylinders 42 are provided on both sides of the frame 1. Combined with pressure sensor 44, the pressure value is fed back in real time to ensure that the roller shaft 3 and the arc surface of the positioning table 2 are tightly fitted.

[0043] Bevel gear transmission: Power is efficiently transmitted and transmission loss is reduced by the first bevel gear 53 and the second bevel gear 54 meshing at 90°.

[0044] Detailed installation

[0045] (1) Equipment installation steps

[0046] Roller shaft 3 installation: Place the antistatic nylon roller shaft 3 horizontally on the arc surface of the feed end platform 2 and fix it initially through the guide grooves of the positioning components 4 on both sides;

[0047] Hydraulic positioning mechanism: Start the hydraulic cylinder 42 to drive the positioning gripper 43 to press against the end of the roller shaft 3. The pressure sensor 44 monitors the pressure value in real time until it reaches the set threshold (such as 5-10MPa) to ensure that the roller shaft 3 and the positioning table 2 are in close contact without gaps.

[0048] The first transmission component 5 is connected as follows: the first bevel gear 53 is fixed to the end of the roller shaft 3 by bolts and meshes with the first bevel gear 54, and is driven by the first servo motor 52; the combing roller 6 is connected to the second servo motor 61 through a pulley set.

[0049] (2) Implementation steps

[0050] Start the equipment: Turn on the hydraulic positioning mechanism and the first servo motor 52, and the roller shaft 3 will rotate at a constant speed under the drive of the bevel gear set;

[0051] Raw cotton conveying: The raw cotton is evenly conveyed to the area of ​​the combing roller 6 through the transverse grooves on the surface of the roller shaft 3. The combing roller 6 grabs the cotton fibers and separates impurities.

[0052] Real-time monitoring: Pressure sensor 44 dynamically adjusts the pressure of hydraulic cylinder 42 to compensate for minor deviations of roller shaft 3 caused by temperature or wear.

[0053] The above-described embodiments are merely illustrative of certain implementations of this utility model, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A raw cotton impurity analyzer with an antistatic roller shaft, comprising a frame (1), a feeding end platform (2), and a combing roller (6), characterized in that: The upper end of the platform (2) is provided with a roller shaft (3), which is made of one-piece antistatic nylon material and has transverse grooves on its surface with a surface resistivity of 10. 6 -10 8 Ω·cm; The frame (1) is equipped with positioning components (4) on both sides. The positioning components (4) include a hydraulic cylinder (42), a positioning gripper (43) and a pressure sensor (44). The extension end of the hydraulic cylinder (42) presses against the end of the roller shaft (3) through the positioning gripper (43) so that it fits against the arc surface of the positioning table (2). The pressure sensor (44) monitors the pressure value in real time and feeds it back to the control system. The roller shaft (3) is provided with a first transmission component (5) on one side, including a first bevel gear (53) and a second bevel gear (54) meshing at 90°. The first bevel gear (53) is driven by a first servo motor (52). The combing roller (6) is driven by a second transmission component, including a combing roller shaft driven by a second servo motor (61) through a pulley group.

2. The raw cotton impurity analyzer with an antistatic roller shaft according to claim 1, characterized in that: The end of the positioning gripper (43) is provided with a guide groove, the inner diameter of which is adapted to the end of the roller shaft (3), and the positioning gripper (43) is embedded with a piezoelectric ceramic sheet to eliminate instantaneous frictional offset between the roller shaft (3) and the platform (2).

3. The raw cotton impurity analyzer with an antistatic roller shaft according to claim 1, characterized in that: The positioning base (41) is fixed to the side of the frame (1) by bolts, and the hydraulic cylinder (42) is welded to the positioning base (41).

4. The raw cotton impurity analyzer with an antistatic roller shaft according to claim 1, characterized in that: The first servo motor (52) is installed in the bracket (51), the bracket (51) is fixed to one side of the frame (1), and the second bevel gear (54) is fixed to the end of the roller shaft (3) by bolts.

5. The raw cotton impurity analyzer with an antistatic roller shaft according to claim 1, characterized in that: The second servo motor (61) is installed at the bottom of the frame (1). The pulley group includes a first pulley (62), a second pulley (63) and a belt (64). The second pulley (63) is fixed to the drive shaft end of the combing roller (6).

Images