Automatic mixing and opening machine system

Abstract

The utility model relates to the technical field of cotton grabbing equipment, in particular to an automatic cotton mixing and opening machine system which comprises a cotton mixing box, an opening machine and a cotton returning assembly, a cotton inlet and a cotton outlet are formed in the cotton mixing box, a cotton mixing assembly used for mixing cotton is arranged on the cotton mixing box, and the cotton inlet end of the opening machine communicates with the cotton outlet of the cotton mixing box; the cotton returning assembly comprises a cotton returning column and a cotton returning bin, the bottom of the cotton returning bin communicates with a cotton inlet of the cotton mixing box, a transfer box is arranged on the cotton returning column, a cotton returning pipe, a cotton discharging pipe and a cotton inlet pipe communicate with the transfer box, a cotton returning valve communicates between the cotton returning pipe and the cotton returning bin, a cotton discharging valve is arranged on the cotton discharging pipe, and the cotton returning valve and the cotton discharging valve are both electrically connected to the control system. An exhaust fan electrically connected to the control system is arranged between the cotton inlet pipe and the cotton outlet end of the cotton slitter. The cotton mixing device has the effect of improving the cotton mixing uniformity.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of cotton grabbing equipment, in particular to an automatic cotton mixing and opening machine system. BACKGROUND

[0002] The cotton mixing machine is a machine used for cotton processing, mainly applied to cotton textile mills and cotton processing plants and the like. Its main function is to mix and card the preliminarily processed cotton, so that the cotton fiber length is more uniform, thereby improving the processing efficiency and product quality.

[0003] The cotton opening machine is a textile machine, which is mainly used for preliminarily processing cotton in cotton bales through mechanical tearing, striking and the like, so as to loosen the compressed cotton, make the cotton block smaller and looser, remove part of impurities, and make the cotton form a relatively loose and uniform state, thereby providing a suitable raw material basis for subsequent carding and the like.

[0004] In the traditional cotton processing mode, the cotton mixing machine and the cotton opening machine need to be used in cooperation, so that in the processing process, the workers need to transport the cotton mixed by the cotton mixing machine to the cotton opening machine, and if the cotton processed by the cotton opening machine needs to be mixed again, the workers need to transport the cotton to the cotton mixing machine again. This process is very cumbersome and occupies a large amount of labor, which increases the production cost and has the problem of deficiency. CONTENT OF THE INVENTION

[0005] In order to improve the cumbersome problem of cotton transportation in the cotton mixing and opening process, the application provides an automatic cotton mixing and opening machine system.

[0006] The automatic cotton mixing and opening machine system provided by the application adopts the following technical scheme:

[0007] The automatic cotton mixing and opening machine system comprises a cotton mixing box, a cotton opening machine and a cotton returning assembly. The cotton mixing box is provided with a cotton inlet and a cotton outlet. The cotton mixing box is provided with a cotton mixing assembly for mixing cotton. The cotton inlet end of the cotton opening machine is communicated with the cotton outlet of the cotton mixing box. The cotton returning assembly comprises a cotton returning column and a cotton returning bin. The bottom of the cotton returning bin is communicated with the cotton inlet of the cotton mixing box. The cotton returning column is provided with a transfer box. The transfer box is provided with a cotton returning pipe, a cotton discharging pipe and a cotton inlet pipe. The cotton returning pipe and the cotton returning bin are communicated with a cotton returning valve. The cotton discharging pipe is provided with a cotton discharging valve. The cotton returning valve and the cotton discharging valve are both electrically connected to a control system. The cotton inlet pipe and the cotton outlet end of the cotton opening machine are provided with an air extractor electrically connected to the control system.

[0008] Through adoption of the above technical scheme, the worker sends the cotton to the cotton inlet on the cotton mixing box, the cotton mixing assembly mixes the sent cotton, and then the cotton is discharged to the cotton opener through the cotton outlet, after the cotton is opened by the cotton opener, the control system starts the air extractor, the air extractor makes the cotton at the cotton opening end be transported to the transfer box through the cotton inlet pipe, and then the cotton is output through the cotton discharge pipe, when the cotton after opening needs to be mixed again, the worker closes the cotton discharge valve and opens the cotton return valve through the control system, the cotton in the transfer box is returned to the cotton return bin through the cotton return pipe, and then the cotton is returned to the cotton mixing box from the bottom of the cotton return bin.

[0009] Optionally, the cotton mixing assembly comprises a cotton feeding belt and a cotton mixing belt which are rotationally arranged in the cotton mixing box, the cotton mixing box is provided with a cotton feeding member for driving the cotton feeding belt to rotate, the cotton mixing belt is uniformly provided with a plurality of cotton grabbing needles, the cotton mixing box is provided with a cotton mixing member for driving the cotton mixing belt to rotate, the cotton mixing belt is arranged to be inclined along the direction from top to bottom and towards the cotton feeding belt, one end of the cotton feeding belt is located at the cotton inlet, and the other end is located above the lower end of the inclined cotton mixing belt, the higher end of the inclined cotton mixing belt is rotationally arranged with a cotton return and stripping roller towards one side of the cotton feeding belt, and the higher end of the inclined cotton mixing belt is rotationally arranged with a cotton discharge and stripping roller towards one side of the cotton outlet, the cotton return and stripping roller and the cotton discharge and stripping roller are both provided with cotton combing tooth plates, the cotton combing tooth plates are used for combing the cotton on the cotton grabbing needles, the distance between the axis of the cotton return and stripping roller and the cotton mixing belt is greater than the distance between the axis of the cotton discharge and stripping roller and the cotton mixing belt, and the cotton mixing box is provided with a driving member for driving the cotton return and stripping roller and the cotton discharge and stripping roller to rotate.

[0010] Through adoption of the above technical scheme, when the cotton is placed on the cotton feeding belt, the cotton feeding member drives the cotton feeding belt to rotate, the cotton on the cotton feeding belt is transported to the cotton mixing belt, the cotton mixing member drives the cotton mixing belt to rotate, the cotton grabbing needles on the cotton mixing belt grab the cotton, and the driving member drives the cotton return and stripping roller and the cotton discharge and stripping roller to rotate, the cotton combing tooth plates on the cotton return and stripping roller comb the excessive cotton on the cotton grabbing needles of the cotton mixing belt and fall the cotton on the cotton feeding belt, and the cotton combing tooth plates on the cotton discharge and stripping roller comb the cotton on the cotton grabbing needles of the cotton mixing belt and fall the cotton to the cotton outlet, so as to control the mixing effect of the cotton in the cotton mixing box and the cotton feeding amount of the cotton opener.

[0011] Optionally, the cotton feeding member comprises a plurality of cotton rollers which are rotationally arranged on the cotton mixing box, the cotton feeding belt is arranged around the plurality of cotton rollers, the cotton mixing box is provided with a cotton feeding motor which is electrically connected to the control system, and a cotton feeding belt is arranged between the output shaft of the cotton feeding motor and one of the cotton rollers.

[0012] Through adoption of the above technical scheme, the control system starts the cotton feeding motor, the output shaft of the cotton feeding motor drives the cotton roller to rotate through the cotton feeding belt, and the cotton roller drives the cotton feeding belt to rotate and transport the cotton through friction.

[0013] Optionally, the blending cotton piece comprises a plurality of blending rollers rotatably arranged on the blending cotton box, the plurality of blending rollers are arranged obliquely on the blending cotton box, the blending cotton belt is arranged around the plurality of blending rollers, the blending cotton box is provided with a blending motor electrically connected to the control system, a chain wheel is arranged on the output shaft of the blending motor and one of the blending rollers, and a chain is arranged around the chain wheel on the output shaft of the blending motor and the chain wheel on the blending roller.

[0014] By adopting the above technical scheme, the control system starts the blending motor, the output shaft of the blending motor drives the blending roller to rotate through the chain wheel and the chain, the blending roller drives the blending cotton belt to rotate through friction, so that the blending cotton belt drives the cotton grabbing needle on it to grab cotton.

[0015] Optionally, the driving piece comprises a driving motor arranged on the blending cotton box and electrically connected to the control system, and a driving belt is arranged around the output shaft of the driving motor, the cotton returning roller and the cotton discharging roller.

[0016] By adopting the above technical scheme, the control system starts the driving motor, the output shaft of the driving motor drives the cotton returning roller and the cotton discharging roller to rotate through the driving belt, so as to realize the effect of repeatedly mixing cotton and simultaneously conveying the mixed cotton to the cotton opener.

[0017] Optionally, a plurality of cotton storing rollers are rotatably arranged between the cotton conveying belt and the blending cotton belt, the plurality of cotton storing rollers are arranged along the direction from the cotton conveying belt to the blending cotton belt, a cotton storing belt is arranged around the plurality of cotton storing rollers, and a cotton storing motor electrically connected to the control system is arranged on the blending cotton box, and a cotton storing belt is arranged around the output shaft of the cotton storing motor and one of the cotton storing rollers.

[0018] By adopting the above technical scheme, the control system starts the cotton storing motor, the output shaft of the cotton storing motor drives the cotton storing roller to rotate through the cotton storing belt, the cotton storing roller drives the cotton storing belt to rotate through friction, so that the cotton from the cotton conveying belt is conveyed to the blending cotton belt, and the cotton hanging on the cotton returning roller falls on the cotton storing belt again, so as to improve the mixing effect of the cotton.

[0019] Optionally, the bottom opening end of the cotton returning bin is located above the cotton conveying belt.

[0020] By adopting the above technical scheme, the cotton flowing back to the cotton returning bin falls directly on the cotton conveying belt and is conveyed along with the cotton conveying belt, so as to reduce the possibility of the cotton accidentally falling outside the blending cotton box, and it is beneficial to reduce the waste of cotton.

[0021] Optionally, a plurality of maintenance doors are rotatably arranged on the blending cotton box.

[0022] By adopting the technical scheme, workers can conveniently maintain the equipment.

[0023] To sum up, the present application has at least one of the following beneficial technical effects:

[0024] 1. The worker feeds the cotton into the cotton inlet of the cotton mixing box, the cotton mixing assembly mixes the fed cotton, and then the cotton is discharged from the cotton outlet into the cotton opener. After the cotton is opened, the control system starts the air extractor, the air extractor transports the cotton at the cotton outlet end of the cotton opener to the transfer box through the cotton inlet pipe, and then outputs the cotton through the cotton discharge pipe. When the cotton after opening needs to be mixed again, the worker closes the cotton discharge valve and opens the cotton return valve through the control system, the cotton in the transfer box is returned to the cotton return bin through the cotton return pipe, and then returned to the cotton mixing box from the bottom of the cotton return bin;

[0025] 2. After the cotton is placed on the cotton feeding belt, the cotton feeding member drives the cotton feeding belt to rotate, the cotton on the cotton feeding belt is transported to the cotton mixing belt, the cotton mixing member drives the cotton mixing belt to rotate, the cotton grabbing needles on the cotton mixing belt grab the cotton, and the driving member drives the cotton return and cotton discharge cylinders to rotate, the cotton combing tooth plates on the cotton return cylinder comb off the excess cotton on the cotton grabbing needles of the cotton mixing belt onto the cotton feeding belt, and the cotton combing tooth plates on the cotton discharge cylinder comb off the combed cotton on the cotton grabbing needles of the cotton mixing belt onto the cotton outlet, so as to control the mixing effect of the cotton in the cotton mixing box and the cotton feeding amount of the cotton opener;

[0026] 3. The control system starts the cotton storage motor, the output shaft of the cotton storage motor drives the cotton storage roller to rotate through the cotton storage belt, and the cotton storage roller drives the cotton storage belt to rotate through friction, so that the cotton from the cotton feeding belt is transported to the cotton mixing belt, and the cotton hanging on the cotton return cylinder is also dropped onto the cotton storage belt, thereby improving the mixing effect of the cotton. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a structural schematic diagram of an embodiment of the present application.

[0028] Figure 2 is a sectional view of the position relationship among the cotton feeding belt, the cotton return bin and the cotton mixing belt in an embodiment of the present application.

[0029] Figure 3 is a structural schematic diagram of the position relationship among the cotton feeding roller, the cotton feeding motor and the cotton storage motor in an embodiment of the present application.

[0030] Figure 4 is a structural schematic diagram of the position relationship among the cotton grabbing needle, the cotton return cylinder and the cotton discharge cylinder in an embodiment of the present application.

[0031] Figure 5 is a structural schematic diagram of the position relationship among the cotton mixing motor, the chain and the cotton return cylinder in an embodiment of the present application.

[0032] Explanation of reference signs: 1, cotton mixing box; 2, cotton opener; 3, cotton returning assembly; 31, cotton returning column; 32, cotton returning bin; 33, transfer box; 34, cotton returning pipe; 35, cotton discharging pipe; 36, cotton feeding pipe; 37, cotton returning valve; 38, cotton discharging valve; 39, air extractor; 4, cotton feeding port; 5, cotton discharging port; 6, cotton mixing assembly; 61, cotton feeding belt; 62, cotton mixing belt; 63, cotton feeding member; 631, cotton feeding roller; 632, cotton feeding motor; 633, cotton feeding belt; 64, cotton gripping needle; 65, cotton mixing member; 651, cotton mixing roller; 652, cotton mixing motor; 653, chain wheel; 654, chain; 66, cotton returning and de-cotton roller; 67, cotton discharging and de-cotton roller; 68, cotton carding tooth plate; 69, driving member; 691, driving motor; 692, driving belt; 7, cotton storing roller; 8, cotton storing belt; 9, cotton storing motor; 10, cotton storing belt; 11, maintenance door; 12, roller. DETAILED DESCRIPTION

[0033] The following will be described in detail with reference to the accompanying drawings. Figures 1-5 The application is further described in detail.

[0034] The application discloses an automatic cotton mixing and opening machine system.

[0035] Reference Figure 1 The automatic cotton mixing and opening machine system comprises a cotton mixing box 1, a cotton opener 2 and a cotton returning assembly 3, the cotton mixing box 1 is provided with a cotton feeding port 4 and a cotton discharging port 5, a plurality of maintenance doors 11 are rotationally connected to the cotton mixing box 1, and a cotton mixing assembly 6 for mixing cotton is arranged on the cotton mixing box 1.

[0036] Reference Figure 1 The cotton returning assembly 3 comprises a cotton returning column 31 and a cotton returning bin 32, the bottom of the cotton returning bin 32 is communicated with the cotton feeding port 4 of the cotton mixing box 1, a transfer box 33 is welded on the cotton returning column 31, the transfer box 33 is communicated with a cotton returning pipe 34, a cotton discharging pipe 35 and a cotton feeding pipe 36, a cotton returning valve 37 is arranged between the cotton returning pipe 34 and the top of the cotton returning bin 32, a cotton discharging valve 38 is welded on the cotton discharging pipe 35, the cotton returning valve 37 and the cotton discharging valve 38 are both electrically connected to a control system, and an air extractor 39 electrically connected to the control system is bolted between the cotton feeding pipe 36 and the cotton discharging end of the cotton opener 2.

[0037] Reference Figure 2 , Figure 3 and Figure 4 The cotton mixing assembly 6 comprises a cotton feeding belt 61 and a cotton mixing belt 62 rotationally arranged in the cotton mixing box 1, the bottom opening end of the cotton returning bin 32 is rotationally connected with a roller 12, the roller 12 is located directly above the cotton feeding belt 61, a plurality of cotton storing rollers 7 are rotationally connected between the cotton feeding belt 61 and the cotton mixing belt 62, and the plurality of cotton storing rollers 7 are arranged along the direction from the cotton feeding belt 61 to the cotton mixing belt 62.

[0038] ReferenceFigure 2 、 Figure 3 and Figure 4 The plurality of cotton storage rollers 7 are jointly provided with a cotton storage belt 8, the cotton mixing box 1 is bolted with a cotton storage motor 9 electrically connected to the control system, a cotton storage belt 10 is provided between the output shaft of the cotton storage motor 9 and one of the cotton storage rollers 7, and the cotton mixing box 1 is provided with a cotton feeding member 63 for driving the cotton feeding belt 61 to rotate.

[0039] Referring to Figure 2 、 Figure 3 and Figure 4 The cotton feeding member 63 comprises a plurality of cotton feeding rollers 631 rotationally connected to the cotton mixing box 1, the plurality of cotton feeding rollers 631 are arranged along the direction of cotton conveying, the cotton feeding belt 61 is provided around the plurality of cotton feeding rollers 631, the cotton mixing box 1 is bolted with a cotton feeding motor 632 electrically connected to the control system, a cotton feeding belt 633 is provided between the output shaft of the cotton feeding motor 632 and one of the cotton feeding rollers 631, and the cotton mixing belt 62 is uniformly provided with a plurality of cotton grabbing needles 64, and the cotton mixing box 1 is provided with a cotton mixing member 65 for driving the cotton mixing belt 62 to rotate.

[0040] The worker first places the cotton on the cotton feeding belt 61, and then starts the cotton feeding motor 632 and the cotton storage motor 9 through the control system, the output shaft of the cotton feeding motor 632 drives the cotton feeding roller 631 to rotate through the cotton feeding belt 633, the cotton feeding roller 631 drives the cotton feeding belt 61 to rotate through friction, so that the cotton on the cotton feeding belt 61 is conveyed to the cotton storage belt 8, and at the same time, the output shaft of the cotton storage motor 9 drives the cotton storage roller 7 to rotate through the cotton storage belt 10, and the cotton storage roller 7 drives the cotton on the cotton storage belt 8 to approach the cotton mixing belt 62 through friction.

[0041] Referring to Figure 2 、 Figure 4 and Figure 5 The cotton mixing member 65 comprises a plurality of cotton mixing rollers 651 rotationally arranged on the cotton mixing box 1, the cotton mixing belt 62 is arranged to be inclined towards the cotton feeding belt 61 in the direction from top to bottom, the plurality of cotton mixing rollers 651 are arranged to be inclined on the cotton mixing box 1, the cotton mixing belt 62 is provided around the plurality of cotton mixing rollers 651, the cotton mixing box 1 is bolted with a cotton mixing motor 652 electrically connected to the control system, and a sprocket 653 is coaxially welded on the output shaft of the cotton mixing motor 652 and one of the cotton mixing rollers 651.

[0042] Referring to Figure 2 、 Figure 4 and Figure 5 The sprocket 653 on the output shaft of the cotton mixing motor 652 and the sprocket 653 on the cotton mixing roller 651 are jointly provided with a chain 654, one end of the cotton feeding belt 61 is located at the cotton inlet 4, and the other end is located above one end of the cotton storage belt 8, the other end of the cotton storage belt 8 away from the cotton feeding belt 61 is located above the lower end of the inclined cotton mixing belt 62, and the higher end of the inclined cotton mixing belt 62 is rotationally connected with a cotton returning and de-cotton roller 66 on the side of the cotton feeding belt 61.

[0043] With reference to Figure 2 , Figure 4 and Figure 5 , the high end of the inclination of the cotton mixing belt 62 is arranged with a cotton stripping roller 67 on one side of the cotton outlet 5, and a plurality of cotton combing tooth plates 68 are perpendicularly arranged on the cotton stripping roller 67 and the cotton stripping roller 66, the cotton combing tooth plates 68 are used to comb the cotton on the cotton grabbing needle 64, and the distance between the axis of the cotton stripping roller 66 and the cotton mixing belt 62 is greater than the distance between the axis of the cotton stripping roller 67 and the cotton mixing belt 62.

[0044] With reference to Figure 2 and Figure 4 , the cotton mixing box 1 is arranged with a driving member 69 for driving the rotation of the cotton stripping roller 66 and the cotton stripping roller 67, the driving member 69 includes a driving motor 691 which is perpendicularly arranged on the cotton mixing box 1 and electrically connected to the control system, and the output shaft of the driving motor 691, the cotton stripping roller 66 and the cotton stripping roller 67 are collectively provided with a driving belt 692.

[0045] The worker starts the cotton mixing motor 652 through the control system, the output shaft of the cotton mixing motor 652 drives the cotton mixing roller 651 to rotate through the sprocket 653 and the chain 654, the cotton mixing roller 651 drives the cotton mixing belt 62 to rotate through friction, the cotton grabbing needle 64 on the cotton mixing belt 62 grabs the cotton on the cotton storage belt 8 and conveys it to the high end of the inclination of the cotton mixing belt 62, and then the control system starts the driving motor 691.

[0046] The output shaft of the driving motor 691 drives the cotton stripping roller 66 and the cotton stripping roller 67 to rotate through the driving belt 692, the cotton combing tooth plates 68 on the cotton stripping roller 66 comb the excess cotton on the cotton grabbing needle 64 on the cotton mixing belt 62 to the cotton storage belt 8, and the cotton combing tooth plates 68 on the cotton stripping roller 67 comb the uniform cotton on the cotton grabbing needle 64 on the cotton mixing belt 62 to the cotton outlet 5 of the cotton mixing box 1.

[0047] The cotton at the cotton outlet 5 enters the opening machine 2, the control system starts the air extractor 39, the air extractor 39 extracts the cotton at the cotton outlet end of the opening machine 2 through the cotton inlet pipe 36, the cotton after opening flows into the transfer box 33 from the cotton inlet pipe 36, and is discharged from the cotton discharge pipe 35, when the cotton after opening needs to be mixed again, the worker closes the cotton discharge valve 38 and opens the cotton return valve 37 through the control system, the cotton in the transfer box 33 flows back to the cotton return bin 32 through the cotton return pipe 34, and falls on the cotton conveying belt 61 from the bottom of the cotton return bin 32.

[0048] The implementation principle of the automatic cotton mixing and opening machine system is as follows: the worker first places the cotton on the cotton conveying belt 61, and then starts the cotton conveying motor 632 and the cotton storing motor 9 through the control system. The output shaft of the cotton conveying motor 632 drives the cotton conveying roller 631 to rotate through the cotton conveying belt 633, the cotton conveying roller 631 drives the cotton conveying belt 61 to rotate through friction, and the cotton on the cotton conveying belt 61 is conveyed to the cotton storing belt 8. At the same time, the output shaft of the cotton storing motor 9 drives the cotton storing roller 7 to rotate through the cotton storing belt 10, and the cotton storing roller 7 drives the cotton on the cotton storing belt 8 to approach the cotton mixing belt 62 through friction.

[0049] The worker starts the cotton mixing motor 652 through the control system, the output shaft of the cotton mixing motor 652 drives the cotton mixing roller 651 to rotate through the chain wheel 653 and the chain 654, the cotton mixing roller 651 drives the cotton mixing belt 62 to rotate through friction, the cotton grabbing needle 64 on the cotton mixing belt 62 grabs the cotton on the cotton storing belt 8 and conveys it to the high end of the cotton mixing belt 62, and then the control system starts the driving motor 691.

[0050] The output shaft of the driving motor 691 drives the cotton returning and de-cottoning roller 66 and the cotton discharging and de-cottoning roller 67 to rotate through the driving belt 692, the cotton combing tooth plate 68 on the cotton returning and de-cottoning roller 66 combs the excessive cotton on the cotton grabbing needle 64 of the cotton mixing belt 62 and falls onto the cotton storing belt 8, and the cotton combing tooth plate 68 on the cotton discharging and de-cottoning roller 67 combs the uniform cotton on the cotton grabbing needle 64 of the cotton mixing belt 62 and falls into the cotton outlet 5 of the cotton mixing box 1.

[0051] The cotton at the cotton outlet 5 enters the cotton opening machine 2, the control system starts the air extractor 39, the air extractor 39 extracts the cotton at the cotton outlet end of the cotton opening machine 2 through the cotton inlet pipe 36, the cotton after opening flows into the transfer box 33 through the cotton inlet pipe 36, and is discharged through the cotton discharge pipe 35. When the cotton after opening needs to be mixed again, the worker closes the cotton discharge valve 38 and opens the cotton returning valve 37 through the control system, the cotton in the transfer box 33 returns to the cotton returning bin 32 through the cotton returning pipe 34, and falls onto the cotton conveying belt 61 from the bottom of the cotton returning bin 32.

[0052] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An automatic blending opener system characterized by: The utility model provides a cotton mixing device, which comprises a cotton mixing box (1), an opener (2) and a cotton returning assembly (3), the cotton mixing box (1) is provided with a cotton inlet (4) and a cotton outlet (5), the cotton mixing box (1) is provided with a cotton mixing assembly (6) for mixing cotton, the cotton inlet end of the opener (2) is communicated with the cotton outlet (5) of the cotton mixing box (1), the cotton returning assembly (3) comprises a cotton returning column (31) and a cotton returning bin (32), the bottom of the cotton returning bin (32) is communicated with the cotton inlet (4) of the cotton mixing box (1), the cotton returning column (31) is provided with a transfer box (33), the transfer box (33) is provided with a cotton returning pipe (34), a cotton discharging pipe (35) and a cotton inlet pipe (36), the cotton returning pipe (34) and the cotton returning bin (32) are communicated with a cotton returning valve (37), the cotton discharging pipe (35) is provided with a cotton discharging valve (38), the cotton returning valve (37) and the cotton discharging valve (38) are electrically connected to a control system, and the cotton inlet pipe (36) and the cotton outlet end of the opener (2) are provided with an air extractor (39) electrically connected to the control system.

2. An automatic blending opener system according to claim 1 wherein: The cotton mixing assembly (6) comprises a cotton feeding belt (61) and a cotton mixing belt (62) rotatably arranged in the cotton mixing box (1), the cotton mixing box (1) is provided with a cotton feeding member (63) for driving the cotton feeding belt (61) to rotate, the cotton mixing belt (62) is uniformly provided with a plurality of cotton grabbing needles (64), the cotton mixing box (1) is provided with a cotton mixing member (65) for driving the cotton mixing belt (62) to rotate, the cotton mixing belt (62) is arranged in an inclined manner along a direction from top to bottom and towards the cotton feeding belt (61), one end of the cotton feeding belt (61) is located at the cotton inlet (4), and the other end is located above the lower end of the inclined cotton mixing belt (62), the higher end of the inclined cotton mixing belt (62) is rotatably arranged on one side of the cotton feeding belt (61) and provided with a cotton returning and stripping roller (66), the higher end of the inclined cotton mixing belt (62) is rotatably arranged on one side of the cotton outlet (5) and provided with a cotton discharging and stripping roller (67), the cotton returning and stripping roller (66) and the cotton discharging and stripping roller (67) are both provided with a cotton combing tooth plate (68), the cotton combing tooth plate (68) is used for combing off the cotton on the cotton grabbing needles (64), the distance between the axis of the cotton returning and stripping roller (66) and the cotton mixing belt (62) is greater than the distance between the axis of the cotton discharging and stripping roller (67) and the cotton mixing belt (62), and the cotton mixing box (1) is provided with a driving member (69) for driving the cotton returning and stripping roller (66) and the cotton discharging and stripping roller (67) to rotate.

3. An automatic blending opener system according to claim 2, characterised in that: The cotton feeding member (63) comprises a plurality of cotton feeding rollers (631) rotatably arranged on the cotton mixing box (1), the cotton feeding rollers (631) are arranged in a cotton conveying direction, the cotton feeding belt (61) is wound around the cotton feeding rollers (631), and the cotton mixing box (1) is provided with a cotton feeding motor (632) electrically connected to a control system, and a cotton feeding belt (633) is wound around the output shaft of the cotton feeding motor (632) and one of the cotton feeding rollers (631).

4. An automatic blending opener system according to claim 2, characterised in that: The cotton mixing piece (65) comprises a plurality of cotton mixing rollers (651) rotatably arranged on the cotton mixing box (1), the plurality of cotton mixing rollers (651) are obliquely arranged on the cotton mixing box (1), the cotton mixing belt (62) is wound on the plurality of cotton mixing rollers (651), the cotton mixing box (1) is provided with a cotton mixing motor (652) electrically connected to the control system, a sprocket (653) is arranged on the output shaft of the cotton mixing motor (652) and one of the cotton mixing rollers (651), and a chain (654) is wound around the sprocket (653) on the output shaft of the cotton mixing motor (652) and the sprocket (653) on the cotton mixing roller (651).

5. An automatic blending opener system according to claim 2, characterised in that: The driving piece (69) comprises a driving motor (691) arranged on the cotton mixing box (1) and electrically connected to the control system, and a driving belt (692) is wound around the output shaft of the driving motor (691), the cotton returning and de-cotton roller (66) and the cotton discharging and de-cotton roller (67).

6. An automatic blending opener system according to claim 2, characterised in that: A plurality of cotton storing rollers (7) are rotatably arranged between the cotton feeding belt (61) and the cotton mixing belt (62), the plurality of cotton storing rollers (7) are arranged along the direction from the cotton feeding belt (61) to the cotton mixing belt (62), a cotton storing belt (8) is wound around the plurality of cotton storing rollers (7), the cotton mixing box (1) is provided with a cotton storing motor (9) electrically connected to the control system, and a cotton storing belt (10) is wound around the output shaft of the cotton storing motor (9) and one of the cotton storing rollers (7).

7. An automatic blending opener system according to claim 2, characterised in that: The bottom opening end of the cotton returning bin (32) is located above the cotton feeding belt (61).

8. An automatic blending opener system according to claim 1 wherein: A plurality of maintenance doors (11) are rotatably arranged on the cotton mixing box (1).

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