Cotton blending machine with automatic cleaning function

Abstract

The invention discloses a cotton blending machine with an automatic cleaning function, and belongs to the field of cotton blending machines.The cotton blending machine comprises a machine body, a cotton blending cavity is formed in the machine body, a feeding bin is fixedly connected to the top end of the machine body, a feeding groove is formed in the feeding bin, and a feeding stirring assembly is arranged between the feeding groove and the cotton blending cavity; an impurity removing cavity is formed below the cotton mixing cavity, a lifting plate is movably connected to the interior of the impurity removing cavity, a plurality of evenly-distributed groove holes are formed in the top end face of the impurity removing cavity, the groove holes communicate with the cotton mixing cavity, and self-cleaning filtering assemblies are arranged in the groove holes and specifically comprise vertical shafts arranged in the groove holes; an end cover is fixedly connected to the top end of the vertical shaft, an air bag sealing mechanism is arranged in the end cover, the bottom end of the vertical shaft is fixedly connected with the lifting plate, and an annular supporting plate is fixedly connected to the middle of the outer side face of the vertical shaft. According to the device, metal chippings and dust doped in a mixed material can be quickly and conveniently filtered out, so that the quality of the mixed material is improved.

Description

Technical Field

[0001] The invention relates to the field of cotton mixers, in particular to a cotton mixer with an automatic cleaning function. Background Art

[0002] Fabrics made by blending and interweaving cotton with other fibers are collectively referred to as cotton blended and interwoven fabrics. This includes the combination of cotton with other natural fibers, as well as the combination of cotton with various chemical fibers. Usually, cotton is combined with chemical fibers to form practical fabrics of various colors and patterns that have the advantages of both parties.

[0003] In the prior art, a blender is usually used to blend multiple materials. The working principle of the blender is relatively simple but efficient. First, the fibers enter the mixing chamber through the feed port. Then, the agitator starts working to stir and mix the fibers entering the mixing chamber. During the stirring process, the fibers are fully disrupted and recombined to achieve a homogenized effect. Finally, the mixed fibers are discharged from the discharge port for use in subsequent processes.

[0004] The existing cotton mixer has the following problems: the metal debris and dust mixed in the mixed material are not easy to filter out, resulting in poor quality of the mixed material. Therefore, those skilled in the art provide a cotton mixer with an automatic cleaning function to solve the problems raised in the above background technology. Summary of the invention

[0005] The purpose of the present invention is to provide a cotton mixing machine with an automatic cleaning function, which can quickly and conveniently filter out metal debris and dust mixed in the mixed material, thereby improving the quality of the mixed material to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A cotton mixing machine with automatic cleaning function comprises a machine body, a cotton mixing chamber is provided inside the machine body, a feed bin is fixedly connected to the top of the machine body, a feed trough is provided inside the feed bin, and a feeding and stirring assembly is provided between the feed trough and the cotton mixing chamber;

[0008] A debris removal chamber is provided below the cotton mixing chamber, and a lifting plate is movably connected inside the debris removal chamber. A plurality of evenly distributed slots are provided on the top surface of the debris removal chamber, and the slots are connected to the cotton mixing chamber. A self-cleaning filter assembly is provided inside the slots.

[0009] As a further solution of the present invention: the self-cleaning filter assembly specifically includes: a vertical shaft arranged inside the slot hole, the top end of the vertical shaft is fixedly connected with an end cover, and an airbag sealing mechanism is provided inside the end cover, the bottom end of the vertical shaft is fixedly connected with the lifting plate, and an annular support plate is fixedly connected with the middle position of the outer side surface of the vertical shaft, an annular filter plate is embedded in the slot hole above the annular support plate, and the top end surface of the annular support plate is fixedly connected with a pin matching the filter hole of the annular filter plate, the vertical shaft penetrates the annular filter plate and is movably connected with it, and the top end surface height of the annular support plate gradually increases from the outer circle to the inner circle.

[0010] As a further solution of the present invention: the airbag sealing mechanism specifically includes: a circular cavity opened inside the end cover, a circular airbag is embedded in the circular cavity, and a pressure plate is embedded in the bottom end surface of the circular cavity, a telescopic motor is embedded in the vertical axis below the end cover, and the top output shaft of the telescopic motor passes through the circular cavity and is fixedly connected to the pressure plate, an annular groove is opened on the outer side surface of the end cover, and an annular airbag is embedded in the annular groove, and at least two pipes are provided to connect the annular airbag and the circular airbag.

[0011] As a further solution of the present invention: a dust outlet is opened in the center of the top surface of the lifting plate, and the height of the top surface of the lifting plate gradually increases from the dust outlet to the surrounding areas, an electromagnetic separation mechanism is provided below the dust outlet, and cylinders are fixedly connected on both sides of the electromagnetic separation mechanism, and the output shaft at the top of the cylinder is fixedly connected to the bottom end surface of the lifting plate.

[0012] As a further solution of the present invention: the electromagnetic separation mechanism specifically includes: a rectangular plate rotatably connected below the dust outlet, an electromagnet plate fixedly connected to the top surface of the rectangular plate, a stepper motor is embedded in the position of the inner wall of one side of the impurity removal chamber corresponding to the rectangular plate, and the output shaft of the stepper motor is fixedly connected to the center of one side surface of the rectangular plate, a first outlet is opened on the bottom end surface of the impurity removal chamber on one side of the rectangular plate, and a second outlet is opened on the bottom end surface of the impurity removal chamber on the other side of the rectangular plate.

[0013] As a further solution of the present invention: limiting slide rails are fixedly connected to the inner walls on both sides of the impurity removal chamber, limiting slide grooves are provided at positions corresponding to the limiting slide rails on both sides of the lifting plate, and the limiting slide rails are movably connected to the limiting slide grooves.

[0014] As a further solution of the present invention: the feeding and stirring assembly specifically includes: a support platform fixed at the center of the bottom end surface of the feed trough, a dual-axis motor is embedded in the interior of the support platform, and the bottom output shaft of the dual-axis motor passes through the cotton mixing chamber and is fixedly connected to the stirring shaft, and the top output shaft of the dual-axis motor passes through the support platform and is fixedly connected to the synchronous intermittent feeding mechanism.

[0015] As a further solution of the present invention: the synchronous intermittent feeding mechanism specifically includes: a turntable rotatably connected to the top of the support platform, the top output shaft of the dual-axis motor is fixedly connected to the turntable, and the outer side surface of the turntable is fixedly connected with an upper ring, the top surface of the upper ring is provided with three evenly distributed first fan-shaped grooves, and a lower ring is fixedly connected below the upper ring, the top surface of the lower ring is provided with three evenly distributed second fan-shaped grooves, and a third fan-shaped groove connected to the cotton mixing chamber is provided on the bottom end surface of the feed trough below the second fan-shaped grooves.

[0016] As a further solution of the present invention: a discharge hand hole is opened on the outer side of the machine body, and the discharge hand hole is connected to the cotton mixing chamber.

[0017] As a further solution of the present invention: at least three evenly distributed supporting feet are fixedly connected to the bottom end surface of the body.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The self-cleaning filter assembly provided in the present application can quickly and conveniently filter out metal debris and dust mixed in the mixed material, thereby improving the quality of the mixed material. The self-cleaning filter assembly can intermittently lift the material when filtering impurities, so that the impurities intermittently enter the slots and pass through the annular filter plate. At the same time, the blocked filter holes can be self-cleaned during the process to improve the filtering effect.

[0020] 2. The airbag sealing mechanism provided in the present application can seal the top opening of the slot hole after the end cover descends into the slot hole, thereby preventing too many impurities from entering the slot hole at one time and affecting the filtration. In addition, during the process of the end cover continuing to descend, the airbag sealing mechanism cooperates with the end cover to act as a piston, pressing the air in the slot hole downward, and the impurities blocked in the filter hole are quickly passed through the filter hole through the air pressure, thereby increasing the filtration speed.

[0021] 3. The dust outlet and electromagnetic separation mechanism provided in the present application can separate and export the dust and metal debris in the impurities, thereby facilitating the staff to carry out targeted recycling and reuse, eliminating the need for subsequent separation operations and facilitating use.

[0022] 4. The feeding and stirring assembly of the present application feeds the materials into the mixing chamber in a sequential and intermittent manner while mixing and stirring the materials, so as to avoid too much material entering at one time and affecting the mixing effect. It only uses one power source, which saves energy while simplifying the structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a cotton mixing machine with automatic cleaning function;

[0024] Figure 2 The present invention is an internal view of a trash removal chamber in a cotton blending machine with an automatic cleaning function;

[0025] Figure 3 A cotton mixing machine with automatic cleaning function Figure 2 A magnified view of part A;

[0026] Figure 4 This is a structural view of a cotton mixing machine with automatic cleaning function after the vertical axis is raised;

[0027] Figure 5 The present invention is an internal view of a feeding chute in a cotton blending machine with an automatic cleaning function;

[0028] Figure 6 It is a schematic diagram of the structure of a rectangular plate in a cotton mixing machine with an automatic cleaning function;

[0029] Figure 7 A combined view of an upper ring and a first sector-shaped groove in a cotton mixing machine with an automatic cleaning function;

[0030] Figure 8 The present invention is a combined view of the lower ring and the second sector-shaped groove in a cotton mixing machine with an automatic cleaning function.

[0031] In the figure: 1. body; 2. cotton mixing chamber; 3. feed bin; 4. feed trough; 5. support platform; 6. double-axis motor; 7. stirring shaft; 8. turntable; 9. upper ring; 10. first fan-shaped groove; 11. lower ring; 12. second fan-shaped groove; 13. third fan-shaped groove; 14. impurity removal chamber; 15. lifting plate; 16. cylinder; 17. limit slide rail; 18. dust outlet; 19. slot hole; 20. vertical axis; 21. end cover; 22. annular filter plate; 23. annular support plate; 24. ejector pin; 25. round cavity; 26. round air bag; 27. pressure plate; 28. telescopic motor; 29. ​​annular groove; 30. annular air bag; 31. pipeline; 32. rectangular plate; 33. stepping motor; 34. electromagnet plate; 35. first outlet; 36. second outlet; 37. support foot; 38. unloading hand hole. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] As mentioned in the background technology of the present application, it has been found through research that when the existing cotton blending machine is in use, the metal debris and dust mixed in the mixed material are difficult to filter out, resulting in poor quality of the mixed material and certain defects.

[0034] In order to solve the above-mentioned defects, the present application discloses a cotton mixing machine with an automatic cleaning function, which can quickly and conveniently filter out metal debris and dust mixed inside the mixed material, thereby improving the quality of the mixed material.

[0035] The following will describe in detail how the solution of the present application solves the above technical problems in conjunction with the accompanying drawings.

[0036] See also Figures 1 to 8 In an embodiment of the present invention, a cotton mixer with an automatic cleaning function includes a machine body 1, a cotton mixing chamber 2 is provided inside the machine body 1, and a feed bin 3 is fixedly connected to the top of the machine body 1, a feed trough 4 is provided inside the feed bin 3, and a feeding and stirring assembly is provided between the feed trough 4 and the cotton mixing chamber 2; a de-mixing chamber 14 is provided below the cotton mixing chamber 2, and a lifting plate 15 is movably connected inside the de-mixing chamber 14, a plurality of evenly distributed slots 19 are provided on the top surface of the de-mixing chamber 14, and the slots 19 are connected to the cotton mixing chamber 2, and a self-cleaning filter assembly is provided inside the slots 19. The self-cleaning filter assembly provided in the present application can quickly and conveniently filter out metal debris and dust mixed in the mixed material, thereby improving the quality of the mixed material.

[0037] In this embodiment, the self-cleaning filter assembly specifically includes: a vertical shaft 20 arranged inside the slot 19, the top end of the vertical shaft 20 is fixedly connected with an end cap 21, and an airbag sealing mechanism is arranged inside the end cap 21, the bottom end of the vertical shaft 20 is fixedly connected with the lifting plate 15, and an annular support plate 23 is fixedly connected to the middle position of the outer side surface of the vertical shaft 20, an annular filter plate 22 is embedded in the slot 19 above the annular support plate 23, and a top surface of the annular support plate 23 is fixedly connected with a pin 24 matching the filter hole of the annular filter plate 22, the vertical shaft 20 penetrates the annular filter plate 22 and is movably connected thereto, and the top surface height of the annular support plate 23 gradually increases from the outer circle to the inner circle. The self-cleaning filter assembly can intermittently lift the material when filtering impurities, so that the impurities intermittently and sequentially enter the slot 19 and pass through the annular filter plate 22 for filtration, and at the same time, the blocked filter holes can also be self-cleaned during the process to improve the filtering effect.

[0038] In this embodiment, the airbag sealing mechanism specifically includes: a circular cavity 25 opened inside the end cover 21, a circular airbag 26 is embedded inside the circular cavity 25, and a pressure plate 27 is embedded on the bottom end surface of the circular cavity 25, a telescopic motor 28 is embedded inside the vertical shaft 20 below the end cover 21, and the top output shaft of the telescopic motor 28 passes through the circular cavity 25 and is fixedly connected to the pressure plate 27, an annular groove 29 is opened on the outer side of the end cover 21, and an annular airbag 30 is embedded inside the annular groove 29, and at least two pipes 31 are provided between the annular airbag 30 and the circular airbag 26. The airbag sealing mechanism provided in the present application can seal the top opening of the slot hole 19 after the end cover 21 is lowered into the slot hole 19, so as to prevent too many impurities from entering the slot hole 19 at one time and affecting the filtration. In addition, when the end cover 21 continues to descend, the airbag sealing mechanism cooperates with the end cover 21 to play the role of a piston, presses the air in the slot hole 19 downward, and makes the impurities blocked in the filter hole pass through the filter hole quickly through the filter hole through the air pressure, thereby improving the filtration speed.

[0039] In this embodiment, a dust outlet 18 is provided at the center of the top surface of the lifting plate 15, and the height of the top surface of the lifting plate 15 gradually increases from the dust outlet 18 to the surroundings, an electromagnetic separation mechanism is provided below the dust outlet 18, and cylinders 16 are fixedly connected to both sides of the electromagnetic separation mechanism, and the output shaft at the top of the cylinder 16 is fixedly connected to the bottom surface of the lifting plate 15. The dust outlet 18 is at a relatively low height, so that impurities falling on the lifting plate 15 can enter the dust outlet 18 smoothly.

[0040] In this embodiment, the electromagnetic separation mechanism specifically includes: a rectangular plate 32 rotatably connected to the bottom of the dust outlet 18, an electromagnet plate 34 fixedly connected to the top surface of the rectangular plate 32, a stepper motor 33 embedded in the inner wall of one side of the impurity removal chamber 14 corresponding to the position of the rectangular plate 32, and the output shaft of the stepper motor 33 is fixedly connected to the center of one side of the rectangular plate 32, a first outlet 35 is provided on the bottom end surface of the impurity removal chamber 14 on one side of the rectangular plate 32, and a second outlet 36 is provided on the bottom end surface of the impurity removal chamber 14 on the other side of the rectangular plate 32. Through the dust outlet 18 and the electromagnetic separation mechanism, the dust and metal debris in the impurities can be separated and exported, so as to facilitate the staff to collect and reuse them in a targeted manner, save the subsequent separation operation, and facilitate use.

[0041] In this embodiment, the inner walls of both sides of the impurity removal chamber 14 are fixedly connected with the limiting slide rails 17, and the two sides of the lifting plate 15 are provided with limiting slide grooves at positions corresponding to the limiting slide rails 17, and the limiting slide rails 17 are movably connected with the limiting slide grooves. The coordinated use of the limiting slide rails 17 and the limiting slide grooves can further improve the stability of the lifting plate 15 in lifting and lowering.

[0042] In this embodiment, the feeding and stirring assembly specifically includes: a support platform 5 fixed at the center of the bottom end surface of the feed trough 4, a dual-axis motor 6 is embedded in the support platform 5, and the bottom output shaft of the dual-axis motor 6 passes through the mixing chamber 2 and is fixedly connected to the stirring shaft 7, and the top output shaft of the dual-axis motor 6 passes through the support platform 5 and is fixedly connected to the synchronous intermittent feeding mechanism. The feeding and stirring assembly of the present application mixes and stirs the materials while feeding the materials into the mixing chamber 2 in a sequential and intermittent manner, so as to avoid too much material entering at one time and affecting the mixing effect, and only uses one power source, which saves energy while simplifying the structure and is easy to use.

[0043] In this embodiment, the synchronous intermittent feeding mechanism specifically includes: a turntable 8 rotatably connected to the top of the support platform 5, the top output shaft of the dual-axis motor 6 is fixedly connected to the turntable 8, and the outer side of the turntable 8 is fixedly connected to an upper ring 9, the top surface of the upper ring 9 is provided with three evenly distributed first fan-shaped grooves 10, and the lower part of the upper ring 9 is fixedly connected, the top surface of the lower ring 11 is provided with three evenly distributed second fan-shaped grooves 12, and the bottom end surface of the feed trough 4 below the second fan-shaped groove 12 is provided with a third fan-shaped groove 13 connected to the mixing chamber 2. The synchronous intermittent feeding mechanism can sequentially and intermittently put the fed materials into the mixing chamber 2, and synchronize with the stirring process, which is convenient for use.

[0044] In this embodiment, a discharge hand hole 38 is provided on the outer side of the machine body 1, and the discharge hand hole 38 is connected to the cotton mixing chamber 2. The discharge hand hole 38 is convenient for the staff to take out the mixed cotton material after the mixing work is completed.

[0045] In this embodiment, at least three evenly distributed legs 37 are fixedly connected to the bottom end surface of the body 1. The legs 37 can prevent the body 1 from directly contacting the ground.

[0046] In this embodiment, the body 1 is split and divided into an upper part and a lower part, and the upper part and the lower part are detachably connected by a thread, so that it is convenient to recover the large molecular recyclable impurities trapped in the slot 19 after separating the upper part from the lower part, and to maintain the self-cleaning filter assembly.

[0047] The working principle of the present invention is: when in use, first, the material to be mixed is put into the feed trough 4 of the feed bin 3, then the double-shaft motor 6 is started, and the operation of the double-shaft motor 6 drives the stirring shaft 7 and the turntable 8 to rotate synchronously, and the upper ring 9 on the turntable 8 rotates accordingly. During the process, when the first fan-shaped groove 10 of the upper ring 9 and the second fan-shaped groove 12 of the lower ring 11 are aligned up and down, the material passes through the first fan-shaped groove 10 and the second fan-shaped groove 12 and passes through the third fan-shaped groove 13 into the mixing chamber 2. While the feeding and stirring assembly is mixing and stirring the materials, the fed materials are sequentially and intermittently put into the mixing chamber 2 to avoid too much material entering at one time to affect the mixing effect, and only one power source is used, which saves energy while simplifying the structure and is easy to use.

[0048] After the material enters the mixing chamber 2, the rotating stirring shaft 7 mixes the material. During the process, the metal particles, dust and macromolecular recyclable impurities mixed in the material settle to the bottom of the mixing chamber 2. It should be noted that the macromolecular recyclable impurities include dead petals, seed coats, sterile seeds, broken leaves, bell shells, etc. At the same time, the self-cleaning filter assembly operates to filter these impurities. The specific process is as follows: the cylinder 16 operates to drive the lifting plate 15 to move up and down, wherein the vertical shaft 20 and the end cover 21 rise synchronously when the lifting plate 15 rises, and the end cover 21 lifts the material in the mixing chamber 2 to separate the material from the impurities. At the same time, the top opening of the slot 19 is opened, and the impurities enter the slot 19. After the lifting plate 15 descends and the end cover 21 seals the top opening of the slot 19, the impurities cannot continue to enter the slot 19, preventing the impurities from entering the slot 19 too much at one time to affect the filtration. At this time, the impurities in the slot 19 are filtered by the annular filter plate 22 and fall onto the lifting plate 15.

[0049] In addition, when the end cover 21 descends to seal the top opening of the slot 19, the airbag sealing mechanism operates. Specifically, the telescopic motor 28 operates to extend the output shaft to drive the pressure plate 27 to rise. The pressure plate 27 presses on the circular airbag 26 in the circular cavity 25, causing the circular airbag 26 to deform. The gas in the circular airbag 26 enters the annular airbag 30 of the annular groove 29 along the pipe 31. The annular airbag 30 inflates and fills the gap between the end cover 21 and the inner wall of the slot 19. At this time, the airbag sealing mechanism cooperates with the end cover 21 to act as a piston. As the lifting plate 15 and the end cover 21 continue to descend, the air in the slot 19 is pressed downward, and the impurities blocked in the filter hole are quickly passed through the filter hole by the air pressure, thereby increasing the filtration speed.

[0050] Subsequently, when the cylinder 16 operates to drive the lifting plate 15 to rise again, the airbag sealing mechanism returns to the initial state so as not to affect the rise of the end cover 21 in the slot 19. At the same time, the ejector pin 24 on the annular support plate 23 rises synchronously and inserts into the filter hole of the corresponding annular filter plate 22, and pushes the blocked filter hole open, thereby completing the self-cleaning of the filter hole, so as to meet the next wave of impurities entering the slot 19 with good filtering performance. Among them, the specific process of the airbag sealing mechanism returning to the initial state is: the telescopic motor 28 operates to retract the output shaft to drive the pressing plate 27 to descend, the pressing plate 27 no longer compresses the circular airbag 26, and the expanded gas in the annular airbag 30 also returns to the circular airbag 26, and the circular airbag 26 and the annular airbag 30 return to the initial state. It should be noted that the annular airbag 30 of the airbag sealing mechanism is expanded when the end cover 21 continues to descend after entering the slot 19, and the annular airbag 30 does not expand during the rising process of the end cover 21. In general, the self-cleaning filter assembly can intermittently lift the material when filtering impurities through the lifting end cover 21, so that the impurities intermittently enter the slots 19 and are filtered through the annular filter plate 22. At the same time, the blocked filter holes can also be self-cleaned during the process to improve the filtering effect.

[0051] After the impurities fall onto the lifting plate 15, they fall onto the electromagnetic plate 34 of the electromagnetic separation mechanism through the dust outlet 18 under the action of their own gravity. The electromagnetic plate 34 is energized to generate magnetism in the initial state, and the metal debris in the impurities falling on the electromagnetic plate 34 is firmly adsorbed by the electromagnetic plate 34. Then, the stepper motor 33 runs to drive the rectangular plate 32 to tilt downward to the left, and the electromagnetic plate 34 follows the tilt, so that the dust on the electromagnetic plate 34 rolls down under its own gravity and is discharged from the first outlet 35. Then, the stepper motor 33 runs in the reverse direction to drive the rectangular plate 32 to tilt downward to the right, and the electromagnetic plate 34 is powered off. The metal impurities on the electromagnetic plate 34 roll down under their own gravity and are discharged from the second outlet 36. Finally, after the materials are mixed, the staff takes out the mixed cotton material through the unloading hand hole 38.

[0052] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

[0053] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cotton mixing machine with automatic cleaning function, characterized in that: The machine comprises a body (1), a cotton mixing chamber (2) is provided inside the body (1), a feed bin (3) is fixedly connected to the top of the body (1), a feed trough (4) is provided inside the feed bin (3), and a feeding and stirring assembly is provided between the feed trough (4) and the cotton mixing chamber (2); A debris removal chamber (14) is provided below the cotton mixing chamber (2), and a lifting plate (15) is movably connected inside the debris removal chamber (14). A plurality of evenly distributed slots (19) are provided on the top surface of the debris removal chamber (14), and the slots (19) are connected to the cotton mixing chamber (2). A self-cleaning filter assembly is provided inside the slots (19).

2. A cotton mixing machine with automatic cleaning function according to claim 1, characterized in that: The self-cleaning filter assembly specifically comprises: a vertical shaft (20) arranged inside the slot hole (19), the top end of the vertical shaft (20) is fixedly connected to an end cover (21), and an airbag sealing mechanism is arranged inside the end cover (21), the bottom end of the vertical shaft (20) is fixedly connected to the lifting plate (15), and an annular support plate (23) is fixedly connected to the middle position of the outer side surface of the vertical shaft (20), an annular filter plate (22) is embedded in the slot hole (19) above the annular support plate (23), and a top end surface of the annular support plate (23) is fixedly connected to a pin (24) matching the filter hole of the annular filter plate (22), the vertical shaft (20) passes through the annular filter plate (22) and is movably connected thereto, and the top end surface height of the annular support plate (23) gradually increases from the outer circle to the inner circle.

3. A cotton mixing machine with automatic cleaning function according to claim 2, characterized in that: The airbag sealing mechanism specifically comprises: a circular cavity (25) opened inside the end cover (21), a circular airbag (26) embedded inside the circular cavity (25), and a pressure plate (27) embedded on the bottom end surface of the circular cavity (25), a telescopic motor (28) embedded inside the vertical shaft (20) below the end cover (21), and the top output shaft of the telescopic motor (28) penetrates the circular cavity (25) and is fixedly connected to the pressure plate (27), an annular groove (29) is opened on the outer side surface of the end cover (21), and an annular airbag (30) is embedded inside the annular groove (29), and at least two pipes (31) are provided between the annular airbag (30) and the circular airbag (26) for communication.

4. A cotton mixing machine with automatic cleaning function according to claim 2 or 3, characterized in that: A dust outlet (18) is provided at the center of the top end surface of the lifting plate (15), and the height of the top end surface of the lifting plate (15) gradually increases from the dust outlet (18) toward the surrounding areas. An electromagnetic separation mechanism is provided below the dust outlet (18), and cylinders (16) are fixedly connected to both sides of the electromagnetic separation mechanism. The top output shaft of the cylinder (16) is fixedly connected to the bottom end surface of the lifting plate (15).

5. A cotton mixing machine with automatic cleaning function according to claim 4, characterized in that: The electromagnetic separation mechanism specifically comprises: a rectangular plate (32) rotatably connected below the dust outlet (18), an electromagnet plate (34) being fixedly connected to the top surface of the rectangular plate (32), a stepper motor (33) being embedded in a position corresponding to the rectangular plate (32) on the inner wall of one side of the impurity removal chamber (14), and an output shaft of the stepper motor (33) being fixedly connected to the center of one side surface of the rectangular plate (32), a first outlet (35) being provided on the bottom end surface of the impurity removal chamber (14) on one side of the rectangular plate (32), and a second outlet (36) being provided on the bottom end surface of the impurity removal chamber (14) on the other side of the rectangular plate (32).

6. A cotton mixing machine with automatic cleaning function according to claim 5, characterized in that: The inner walls on both sides of the impurity removal chamber (14) are fixedly connected to limiting slide rails (17), and the two sides of the lifting plate (15) are provided with limiting slide grooves at positions corresponding to the limiting slide rails (17), and the limiting slide rails (17) are movably connected to the limiting slide grooves.

7. A cotton mixing machine with automatic cleaning function according to claim 1, characterized in that: The feeding and stirring assembly specifically comprises: a support platform (5) fixed at the center of the bottom end surface of the feeding trough (4); a double-axis motor (6) is embedded in the support platform (5); the bottom output shaft of the double-axis motor (6) passes through the cotton mixing chamber (2) and is fixedly connected to the stirring shaft (7); the top output shaft of the double-axis motor (6) passes through the support platform (5) and is fixedly connected to the synchronous intermittent feeding mechanism.

8. A cotton mixing machine with automatic cleaning function according to claim 7, characterized in that: The synchronous intermittent feeding mechanism specifically comprises: a turntable (8) rotatably connected to the top of the support platform (5), the top output shaft of the dual-axis motor (6) is fixedly connected to the turntable (8), and the outer side surface of the turntable (8) is fixedly connected to an upper ring (9), the top surface of the upper ring (9) is provided with three evenly distributed first fan-shaped grooves (10), and the lower part of the upper ring (9) is fixedly connected to a lower ring (11), the top surface of the lower ring (11) is provided with three evenly distributed second fan-shaped grooves (12), and the bottom end surface of the feed trough (4) below the second fan-shaped grooves (12) is provided with a third fan-shaped groove (13) connected to the cotton mixing chamber (2).

9. The cotton mixing machine with automatic cleaning function according to claim 1, characterized in that: A discharge hand hole (38) is provided on the outer side surface of the machine body (1), and the discharge hand hole (38) is communicated with the cotton mixing chamber (2).

10. The cotton mixing machine with automatic cleaning function according to claim 1, characterized in that: At least three evenly distributed supporting feet (37) are fixedly connected to the bottom end surface of the machine body (1).

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