Cotton slitter for humidifying raw cotton

Abstract

The invention belongs to the technical field of cotton opening machines, and particularly relates to a cotton opening machine for humidifying raw cotton, which comprises a cotton opening box, and a cotton opening mechanism and a humidifying mechanism are respectively arranged above the cotton opening box; the cotton opening mechanism is located at the front end of the humidifying mechanism. The cotton opening mechanism comprises a cotton suction box, and the cotton suction box is used for opening cotton; the humidifying mechanism comprises a humidifying pipe, and the humidifying pipe achieves the action of adjusting the moisture regain of cotton. According to the cotton slitter capable of humidifying the raw cotton, the humidifying mechanism is arranged, and the humidifying mechanism adjusts the moisture regain of cotton through the humidifying pipe, so that static electricity and flying in the processing process are reduced, meanwhile, the flexibility and spinnability of fibers are improved, and a better cotton slitting effect is conveniently achieved; the technical problems that in the cotton opening process of an existing cotton opening machine, water is sprayed manually and regularly, the completeness of the spraying position every time cannot be guaranteed, spraying uniformity cannot be guaranteed when the cotton opening machine is rotated rapidly, and the cotton opening quality is affected are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cotton opener, and particularly relates to a cotton opener for humidifying raw cotton. BACKGROUND

[0002] The cotton opener is a core equipment for the initial processing of cotton spinning, and is mainly used for loosening the compressed cotton bale into a relatively sparse small cotton block or cotton bundle and removing large impurities such as branches, leaves and sand, so that the raw cotton is facilitated for subsequent processing steps after the opening operation of the cotton opener, the static electricity and flying dust in the processing process are reduced, and the flexibility and spinnability of the fiber are improved, and the raw cotton needs to be humidified to achieve better opening effect. In actual use, the existing cotton opener usually only sprays water by manual timing in the current humidification process, the spraying position cannot be guaranteed to be comprehensive every time, and the spraying uniformity cannot be guaranteed when the cotton opener is rapidly rotated, so that the quality of the opened raw cotton is uneven, the sliver quality in the subsequent processing process is affected, and the working efficiency of the cotton opener is reduced, thereby being inconvenient to use. SUMMARY

[0003] In view of the technical problem that the existing cotton opener only sprays water by manual timing in the opening process, the spraying position cannot be guaranteed to be comprehensive every time, and the spraying uniformity cannot be guaranteed when the cotton opener is rapidly rotated, affecting the opening quality, the present application provides a cotton opener for humidifying raw cotton.

[0004] The cotton opener for humidifying raw cotton provided by the present application comprises a cotton opening box, and a cotton opening mechanism and a humidifying mechanism are arranged above the cotton opening box.

[0005] The cotton opening mechanism is located at the front end of the humidifying mechanism.

[0006] The cotton opening mechanism comprises a cotton suction box, which realizes the action of opening cotton.

[0007] The humidifying mechanism comprises a humidifying pipe, which realizes the action of adjusting the moisture regain of cotton.

[0008] Preferably, the cotton opening mechanism further comprises a fixed shaft, which is located at the center of the cotton opening box, the surface of the fixed shaft is fixedly connected with the bottom of the cotton opening box, the upper end of the fixed shaft is fixedly connected with a rotating shaft, and the surface of the rotating shaft is rotatably connected with one end of the cotton suction box.

[0009] Preferably, the cotton suction box is internally provided with a cotton opening roller, both ends of the cotton opening roller are rotatably connected with the inside of the cotton opening box, the surface of the cotton opening box is fixedly connected with a cotton opening motor, and the output shaft of the cotton opening motor is fixedly connected with one end of the cotton opening roller through a shaft coupling.

[0010] Preferably, the inner wall of the cotton opening box is fixedly communicated with a cotton suction pipe, the surface of the cotton suction pipe is fixedly connected with a cotton suction fan, the upper portion of the cotton opening box is provided with a connecting box, the inner wall of the connecting box is fixedly communicated with a conveying pipe, the inner wall of the connecting box is slidingly connected with a connecting plate, the surface of the connecting plate is fixedly connected with the upper end of the cotton suction pipe, the other end of the cotton suction box is fixedly connected with a mounting plate, and the lower end of the mounting plate is fixedly connected with a moving wheel.

[0011] Preferably, the lower surface of the cotton opening box is fixedly connected with a bottom plate, the surface of the bottom plate is provided with a moving groove, the surface of the moving wheel is slidingly connected with the surface of the moving groove, the surface of the moving wheel is fixedly connected with a moving motor, and the output shaft of the moving motor is fixedly connected with the axle of the moving wheel through a shaft coupling.

[0012] Preferably, the humidifying mechanism further comprises a humidifying box, the surface of the humidifying box is fixedly connected with the upper surface of the cotton suction box, the upper portion of the humidifying box is rotatably connected with a water inlet pipe, the water inlet pipe is located on the inner side of the connecting box, and the surface of the water inlet pipe is fixedly connected with a water inlet valve.

[0013] Preferably, the bottom of the humidifying box is fixedly connected with an electric heating pipe, the inner wall of the humidifying box is fixedly connected with a water level sensor, the surface of the humidifying box is fixedly connected with a temperature sensor, the surface of the humidifying box is fixedly connected with a conductive ring, and the surface of the conductive ring is slidingly connected with a conductive column.

[0014] Preferably, the inner wall of the humidifying box is fixedly communicated with one end of the humidifying pipe, the surface of the humidifying pipe is fixedly connected with a steam valve and an atomizing machine respectively, the surface of the humidifying pipe is fixedly connected with the surface of the cotton suction box, the surface of the humidifying pipe is fixedly connected with a diffuser, and a plurality of diffusers are linearly arranged along the axial direction of the humidifying pipe.

[0015] Preferably, the surface of the cotton suction box is fixedly connected with a pressing plate, the pressing plate is located at the upper end of the humidifying pipe, the surface of the pressing plate is fixedly connected with a humidity sensor, the lower portion of the pressing plate is provided with a lifting plate, and the surface of the lifting plate is slidingly connected with the surface of the cotton opening box and the surface of the fixing shaft.

[0016] Preferably, the surface of the cotton opening box is provided with a lifting sliding groove, the surface of the lifting plate is slidingly connected with the surface of the lifting sliding groove, the bottom of the cotton opening box is fixedly connected with a lifting hydraulic cylinder, the output end of the lifting hydraulic cylinder is fixedly connected with the lower surface of the lifting plate, and a plurality of lifting hydraulic cylinders are circularly arranged around the axis in the height direction of the cotton opening box.

[0017] The beneficial effects of the present application are: 1. By setting the humidifying mechanism, the humidifying mechanism realizes the moisture regain adjustment of the cotton through the humidifying pipe, so as to reduce the static electricity and flying in the processing process, and improve the flexibility and spinnability of the fiber, so as to achieve better opening cotton effect, solve the technical problems that the existing opening cotton machine only sprays water by artificial timing in the opening cotton process, cannot guarantee the comprehensiveness of each spraying position and the uniformity of spraying when passing through the fast rotating opening cotton machine, and affects the opening cotton quality.

[0018] 2. By setting the opening cotton mechanism, the opening cotton mechanism drives the moving motor to drive the moving wheel to rotate, the moving wheel moves above the moving groove, drives the suction cotton box to rotate above the opening cotton box to open the cotton, prolongs the absorption time of the humidified cotton bale, uniformly humidifies the cotton bale, and improves the opening cotton quality.

[0019] 3. By setting the humidifying mechanism, the humidifying mechanism drives the lifting plate to move up and down along the surface of the lifting sliding groove through the plurality of lifting hydraulic cylinders, drives the cotton bale above the lifting plate to slowly rise after the opening cotton mechanism starts to work, and maintains the opening efficiency of the opening cotton mechanism. DETAILED DESCRIPTION

[0020] Figure 1 A schematic diagram of an opening cotton machine for humidifying raw cotton is provided for the present application; Figure 2 A suction cotton box structure perspective view of an opening cotton machine for humidifying raw cotton is provided for the present application; Figure 3 A suction cotton tube structure front view of an opening cotton machine for humidifying raw cotton is provided for the present application; Figure 4 A connection box structure perspective view of an opening cotton machine for humidifying raw cotton is provided for the present application; Figure 5 A humidifying box structure perspective view of an opening cotton machine for humidifying raw cotton is provided for the present application; Figure 6 A lifting plate structure perspective view of an opening cotton machine for humidifying raw cotton is provided for the present application.

[0021] In the figure: 1, the cotton opening box; 2, the cotton suction box; 3, the humidification pipe; 201, the fixed shaft; 202, the rotating shaft; 203, the cotton opening roller; 204, the cotton opening motor; 205, the cotton suction pipe; 206, the cotton suction fan; 207, the connecting box; 208, the mounting plate; 209, the moving wheel; 210, the bottom plate; 211, the moving groove; 212, the moving motor; 213, the conveying pipe; 214, the connecting plate; 301, the humidification box; 302, the water inlet pipe; 303, the electric heating pipe; 304, the water inlet valve; 305, the temperature sensor; 307, the steam valve; 308, the diffuser; 309, the pressing plate; 310, the lifting plate; 311, the lifting sliding groove; 312, the lifting hydraulic cylinder; 313, the water level sensor; 314, the conductive ring; 315, the conductive column; 316, the atomizer; 317, the humidity sensor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.

[0023] Reference Figures 1-6 A cotton opening machine for humidifying raw cotton, comprising a cotton opening box 1, and a cotton opening mechanism and a humidification mechanism are arranged above the cotton opening box 1.

[0024] The cotton opening mechanism is located at the front end of the humidification mechanism.

[0025] In order to loosen the compressed cotton bale into small cotton blocks or cotton bundles and remove large impurities such as branches, leaves and sand, the cotton opening mechanism is arranged, such as Figures 1-4 The cotton opening mechanism comprises a cotton suction box 2, which realizes the action of cotton opening processing.

[0026] The cotton opening mechanism further comprises a fixed shaft 201 located at the center of the cotton opening box 1, the surface of the fixed shaft 201 is fixedly connected with the bottom of the cotton opening box 1, the upper end of the fixed shaft 201 is fixedly connected with a rotating shaft 202, and the surface of the rotating shaft 202 is rotatably connected with one end of the cotton suction box 2.

[0027] Further, one end of the cotton suction box 2 rotates around the axis line of the rotating shaft 202 to sequentially loosen the cotton bale in the cotton opening box 1.

[0028] The inside of the cotton suction box 2 is provided with a cotton opening roller 203, both ends of the cotton opening roller 203 are rotatably connected with the inside of the cotton opening box 1, the surface of the cotton opening box 1 is fixedly connected with a cotton opening motor 204, and the output shaft of the cotton opening motor 204 is fixedly connected with one end of the cotton opening roller 203 through a shaft coupling.

[0029] Further, the cotton bale below the suction cotton box 2 is crushed by driving the opening cotton roller 203 to rotate by the opening cotton motor 204.

[0030] The inner wall of the opening cotton box 1 is fixedly connected with a suction cotton pipe 205, the surface of the suction cotton pipe 205 is fixedly connected with a suction cotton fan 206, the upper portion of the opening cotton box 1 is provided with a connecting box 207, the inner wall of the connecting box 207 is fixedly connected with a conveying pipe 213, the inner wall of the connecting box 207 is slidingly connected with a connecting plate 214, the surface of the connecting plate 214 is fixedly connected with the upper end of the suction cotton pipe 205, the other end of the suction cotton box 2 is fixedly connected with a mounting plate 208, the lower end of the mounting plate 208 is fixedly connected with a moving wheel 209.

[0031] Further, the cotton after the bale is opened is sucked into the conveying pipe 213 by the suction cotton pipe 205 arranged above the suction cotton box 2 to enter the next process.

[0032] The lower surface of the opening cotton box 1 is fixedly connected with a bottom plate 210, the surface of the bottom plate 210 is provided with a moving groove 211, the surface of the moving wheel 209 is slidingly connected with the surface of the moving groove 211, the surface of the moving wheel 209 is fixedly connected with a moving motor 212, the output shaft of the moving motor 212 is fixedly connected with the axle of the moving wheel 209 through a shaft coupling.

[0033] Further, the moving motor 212 drives the moving wheel 209 to move along the surface of the moving groove 211, drives the suction cotton box 2 to rotate along the center of the rotating shaft 202, and opens the cotton bale in the opening cotton box 1.

[0034] In order to reduce static electricity and flying flowers in the processing process, and at the same time improve the flexibility and spinnability of the fiber, a humidifying mechanism is arranged, such as Figures 1-3 and Figures 5-6 The humidifying mechanism comprises a humidifying pipe 3, which realizes the action of adjusting the moisture regain of the cotton.

[0035] The humidifying mechanism further comprises a humidifying box 301, the surface of the humidifying box 301 is fixedly connected with the upper surface of the suction cotton box 2, the upper portion of the humidifying box 301 is rotatably connected with a water inlet pipe 302, the water inlet pipe 302 is located on the inner side of the connecting box 207, the surface of the water inlet pipe 302 is fixedly connected with a water inlet valve 304.

[0036] Further, the humidifying box 301 rotates synchronously with the suction cotton box 2, and the water inlet pipe 302 adds water to the inside of the humidifying box 301 through the water inlet valve 304.

[0037] The bottom of the humidifying box 301 is fixedly connected with an electric heating pipe 303, the inner wall of the humidifying box 301 is fixedly connected with a water level sensor 313, the surface of the humidifying box 301 is fixedly connected with a temperature sensor 305, the surface of the humidifying box is fixedly connected with a conductive ring 314, and the surface of the conductive ring 314 is slidingly connected with a conductive column 315.

[0038] Further, the liquid inside the humidifying box 301 is heated by the electric heating pipe 303, the humidification effect of the heated steam is better, and the cotton opener is powered through the conductive ring to avoid wire winding.

[0039] The inner wall of the humidifying box 301 is fixedly communicated with one end of the humidifying pipe 3, the surface of the humidifying pipe 3 is fixedly connected with a steam valve 307 and an atomizer 316, the surface of the humidifying pipe 3 is fixedly connected with the surface of the suction cotton box 2, and the surface of the humidifying pipe 3 is fixedly connected with a diffuser 308. The plurality of diffusers 308 are distributed in a linear array along the axis direction of the humidifying pipe 3.

[0040] Further, the steam is uniformly diffused to the lower side of the suction cotton box 2 through the plurality of diffusers 308 arranged on the surface of the humidifying pipe 3.

[0041] The surface of the suction cotton box 2 is fixedly connected with a pressing plate 309, the pressing plate 309 is located at the upper end of the humidifying pipe 3, the surface of the pressing plate 309 is fixedly connected with a humidity sensor 317, and the lower side of the pressing plate 309 is provided with a lifting plate 310. The surface of the lifting plate 310 is slidably connected with the surface of the cotton opener box 1 and the surface of the fixed shaft 201.

[0042] Further, the humidified cotton bale is pressed flat by the pressing plate 309 arranged at the rear side of the suction cotton box 2, and the humidity of the cotton bale is monitored by the humidity sensor 317 to facilitate adjustment of the humidification effect.

[0043] The surface of the cotton opener box 1 is provided with a lifting chute 311, the surface of the lifting plate 310 is slidably connected with the surface of the lifting chute 311, the bottom of the cotton opener box 1 is fixedly connected with a lifting hydraulic cylinder 312, the output end of the lifting hydraulic cylinder 312 is fixedly connected with the lower surface of the lifting plate 310, and the plurality of lifting hydraulic cylinders 312 are distributed in a circumferential array with the axis in the height direction of the cotton opener box 1 as the center.

[0044] Further, the lifting plate 310 is driven by the lifting hydraulic cylinder 312 to slide along the surface of the lifting chute 311, so as to facilitate the suction cotton box 2 to open the cotton bale above the lifting plate 310.

[0045] By arranging the humidifying mechanism, the humidifying mechanism realizes the moisture regain adjustment of the cotton through the humidifying pipe 3, thereby reducing the static electricity and flying during the processing process, improving the flexibility and spinnability of the fiber, facilitating better cotton opening effect, and solving the technical problems that the existing cotton opener only sprays water at regular intervals by manual operation during the cotton opening process, cannot guarantee the comprehensiveness of the spraying position each time, and cannot guarantee the uniformity of the spraying when the cotton opener is rapidly rotated, thereby affecting the cotton opening quality.

[0046] By setting the opening cotton mechanism, the opening cotton mechanism drives the moving motor to drive the moving wheel to rotate, the moving wheel moves above the moving groove, drives the suction cotton box to rotate above the opening cotton box to open the cotton, prolongs the absorption time of the wetted cotton bale, uniformly wet the cotton bale, and improve the opening cotton quality.

[0047] By setting the humidifying mechanism, the humidifying mechanism drives the lifting plate to move up and down along the surface of the lifting sliding groove through a plurality of lifting hydraulic cylinders, and the cotton bale above the lifting plate slowly rises after the opening cotton mechanism starts to work, so that the opening efficiency of the opening cotton mechanism is maintained.

[0048] Working principle: Before use, a plurality of compacted cotton bales are placed inside the opening box 1, the opening motor 204 and the moving motor 212 are electrically connected with the conductive ring 314 and the conductive column 315, the opening motor 204 provided on the surface of the suction box 2 is driven to rotate the opening roller 203, the opening roller 203 rotates to open the cotton bales provided below the suction box 2, the cotton after opening is transported to the inside of the connecting box 207 through the suction pipe 205 above the suction box 2 by the suction fan 206 provided on the surface of the suction box 2, enters the next process through the conveying pipe 213, the connecting box 207 provided above the suction box 2 is suspended and supported by the supporting column, the moving motor 212 provided on the surface of the moving wheel 209 is driven to rotate the moving wheel 209, the moving wheel 209 moves along the moving groove 211 opened on the surface of the bottom plate 210, the upper end of the moving wheel 209 is fixedly connected with the surface of the suction box 2 through the mounting plate 208, drives one end of the suction box 2 to rotate around the center of the rotating shaft 202, the moving wheel 209 rotates circularly along the outside of the opening box 1, the suction box 2 opens the plurality of cotton bales placed inside the opening box 1 in turn, a humidifying box 301 is provided above the suction box 2, the liquid in the humidifying box 301 is heated by the electric heating pipe 303 provided at the bottom of the humidifying box 301, the humidifying effect of the steam is improved, the water level sensor 313 provided on the inner wall of the humidifying box 301 facilitates monitoring the water level in the humidifying box 301, when the water level is lower than the water level sensor 313, the water inlet valve 304 is opened to add water to the inside of the humidifying box 301 through the water inlet pipe 302, when the water level is higher than the water level sensor 313, the water inlet valve 304 is closed, the temperature sensor 305 provided on the surface of the humidifying box 301 monitors the liquid temperature, the temperature in the humidifying box 301 is kept stable by the temperature sensor 305 and the electric heating pipe 303, the steam valve 307 provided on the surface of the humidifying pipe 3 is opened, the liquid in the humidifying box 301 enters the atomizer 316 for atomization through the humidifying pipe 3, a plurality of diffusers 308 are provided on the surface of the humidifying pipe 3, the steam is uniformly injected into the cotton bales below the suction box 2, the humidifying pipe 3 provided on the surface of the suction box 2 rotates synchronously with the suction box 2, the cotton bales after opening are humidified, the pressing plate 309 provided above the humidifying pipe 3 flattens the cotton bales after humidification, the humidity sensor provided on the surface of the pressing plate 309 monitors the humidity of the cotton bales after humidification, facilitating adjustment of the humidification effect, when the upper layer of the cotton bales after opening enters the next process through the opening roller 203, a plurality of lifting hydraulic cylinders 312 provided at the bottom of the opening box 1 are driven, the lifting plate 310 provided inside the opening box 1 moves along the lifting sliding groove 311 opened on the surface of the opening box 1, the cotton bales placed above the lifting plate 310 are moved to below the suction box 2, facilitating opening by the opening roller 203.

[0049] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A cotton opener for humidifying raw cotton, comprising a cotton opening box (1), characterized in that: A cotton opening mechanism and a humidifying mechanism are respectively provided above the cotton opening box (1); The cotton opening mechanism is located at the front end of the humidifying mechanism; The cotton opening mechanism comprises a cotton suction box (2), and the cotton suction box (2) realizes the action of opening the cotton; The humidifying mechanism comprises a humidifying tube (3), and the humidifying tube (3) realizes the action of adjusting the moisture regain of cotton.

2. A cotton opener for humidifying raw cotton according to claim 1, characterized in that: The cotton opening mechanism further comprises a fixed shaft (201), the fixed shaft (201) being located at the center of the cotton opening box (1), the surface of the fixed shaft (201) being fixedly connected to the bottom of the cotton opening box (1), the upper end of the fixed shaft (201) being fixedly connected to a rotating shaft (202), the surface of the rotating shaft (202) being rotatably connected to one end of the cotton suction box (2).

3. A cotton opener for humidifying raw cotton according to claim 2, characterized in that: A cotton opening roller (203) is provided inside the cotton suction box (2), both ends of the cotton opening roller (203) are rotatably connected to the inside of the cotton opening box (1), a cotton opening motor (204) is fixedly connected to the surface of the cotton opening box (1), and an output shaft of the cotton opening motor (204) is fixedly connected to one end of the cotton opening roller (203) via a coupling.

4. A cotton opener for humidifying raw cotton according to claim 3, characterized in that: The inner wall of the cotton opening box (1) is fixedly connected to a cotton suction tube (205), and the surface of the cotton suction tube (205) is fixedly connected to a cotton suction fan (206). A connecting box (207) is provided above the cotton opening box (1), and the inner wall of the connecting box (207) is fixedly connected to a conveying pipe (213). The inner wall of the connecting box (207) is slidably connected to a connecting plate (214), and the surface of the connecting plate (214) is fixedly connected to the upper end of the cotton suction tube (205). The other end of the cotton suction box (2) is fixedly connected to a mounting plate (208), and the lower end of the mounting plate (208) is fixedly connected to a moving wheel (209).

5. The cotton opener for humidifying raw cotton according to claim 4, characterized in that: The lower surface of the cotton opening box (1) is fixedly connected to a bottom plate (210), a movable groove (211) is provided on the surface of the bottom plate (210), the surface of the movable wheel (209) is slidably connected to the surface of the movable groove (211), the surface of the movable wheel (209) is fixedly connected to a movable motor (212), and the output shaft of the movable motor (212) is fixedly connected to the wheel axle of the movable wheel (209) via a coupling.

6. The cotton opener for humidifying raw cotton according to claim 5, characterized in that: The humidifying mechanism further comprises a humidifying box (301), the surface of the humidifying box (301) being fixedly connected to the upper surface of the cotton suction box (2), a water inlet pipe (302) being rotatably connected above the humidifying box (301), the water inlet pipe (302) being located on the inner side of the connecting box (207), and a water inlet valve (304) being fixedly connected to the surface of the water inlet pipe (302).

7. The cotton opener for humidifying raw cotton according to claim 1, characterized in that: The bottom of the humidifying box (301) is fixedly connected to an electric heating tube (303), the inner wall of the humidifying box (301) is fixedly connected to a water level sensor (313), the surface of the humidifying box (301) is fixedly connected to a temperature sensor (305), the surface of the humidifying box is fixedly connected to a conductive ring (314), and the surface of the conductive ring (314) is slidably connected to a conductive column (315).

8. The cotton opener for humidifying raw cotton according to claim 7, characterized in that: The inner wall of the humidifying box (301) is fixedly connected to one end of the humidifying tube (3); the surface of the humidifying tube (3) is fixedly connected to a steam valve (307) and an atomizer (316), respectively; the surface of the humidifying tube (3) is fixedly connected to the surface of the cotton suction box (2); the surface of the humidifying tube (3) is fixedly connected to a diffuser (308); and a plurality of the diffusers (308) are distributed in a linear array along the axial direction of the humidifying tube (3).

9. The cotton opener for humidifying raw cotton according to claim 8, characterized in that: A pressing plate (309) is fixedly connected to the surface of the cotton suction box (2), and the pressing plate (309) is located at the upper end of the humidifying tube (3). A humidity sensor (317) is fixedly connected to the surface of the pressing plate (309). A lifting plate (310) is provided below the pressing plate (309), and the surface of the lifting plate (310) is slidably connected to the surface of the cotton opening box (1) and the surface of the fixed shaft (201).

10. The cotton opener for humidifying raw cotton according to claim 9, characterized in that: A lifting chute (311) is provided on the surface of the cotton opening box (1), the surface of the lifting plate (310) is slidably connected to the surface of the lifting chute (311), a lifting hydraulic cylinder (312) is fixedly connected to the bottom of the cotton opening box (1), the output end of the lifting hydraulic cylinder (312) is fixedly connected to the lower surface of the lifting plate (310), and a plurality of lifting hydraulic cylinders (312) are distributed in a circular array with the axis in the height direction of the cotton opening box (1) as the center.

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