Cotton blending machine with automatic cleaning function

Abstract

The invention discloses a cotton mixing machine with an automatic cleaning function, and relates to the technical field of textile, the cotton mixing machine comprises a cotton feeding bin for receiving raw materials to be mixed, the lower end of the cotton feeding bin is provided with a plurality of noil channels, and the lower ends of the noil channels are provided with a cotton mixing bin for mixing the raw materials. A material pulling claw in the material pulling structure interacts with a cleaning assembly, the material pulling claw makes contact with a wire pulling column below a movable plate when rotating, and the wire pulling column pulls out impurities, fibers and the like wound on the material pulling claw; the material pulling claw is rotationally contacted with the movable plate and moves upwards to compress the reset spring, and the movable plate resets under the elastic force of the spring after the material pulling claw leaves; in the process, the scraping ring slides relative to the wire drawing column to scrape impurities left on the wire drawing column; through the interaction, the impurities wound on the material pulling claw are automatically cleaned, the influence of long-time accumulation of the impurities on the material pulling effect is avoided, and it is ensured that the material pulling structure can continuously and stably pull raw materials.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of textiles, and particularly relates to a cotton mixing machine with automatic cleaning function. BACKGROUND

[0002] In the field of textile technology, the cotton mixing machine as a key equipment plays a crucial role in the mixing of raw materials.

[0003] In the process of mixing cotton, impurities and fibers in the raw materials are easily entangled on the pulling claws of the pulling structure of the existing cotton mixing machine. With the passage of time, these impurities and fibers accumulate continuously, which can significantly change the shape and performance of the pulling claws, and then greatly affect the pulling effect. The specific performance is that the pulling force is uneven, and part of the raw materials cannot be fully pulled, which causes the raw material fiber structure to be unable to be effectively separated and loosened, so that the state of the raw materials entering the cotton mixing bin is inconsistent, and finally the uniformity of the mixed cotton is poor, the product quality is unstable, and the rate of defective products is increased.

[0004] Based on this, the present application provides a cotton mixing machine with automatic cleaning function, which can eliminate the disadvantages of the existing cotton mixing machine. SUMMARY

[0005] The present application aims to provide a cotton mixing machine with automatic cleaning function to solve the problem of impurity entanglement of the pulling structure of the existing cotton mixing machine in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: A cotton mixing machine with automatic cleaning function, comprising an inlet bin for receiving raw materials to be mixed, a plurality of cotton dropping channels are arranged at the lower end of the inlet bin, and a cotton mixing bin for mixing the raw materials is arranged at the lower end of the plurality of cotton dropping channels; The top of the inner wall of the two sides of the cotton dropping channel is respectively fixed with a first inclined block and a second inclined block, an outfeed structure for intermittent outfeed is arranged between the first inclined block and the second inclined block, a pulling structure for pulling the raw materials is arranged below the outfeed structure, two third inclined blocks are arranged below the pulling structure, the two third inclined blocks are respectively and symmetrically fixed on the inner wall of the two sides of the cotton dropping channel, an opening roller for further opening the raw materials is arranged between the two third inclined blocks, a plurality of opening rollers are arranged on the side wall of the opening roller, and a linkage structure for driving the outfeed structure, the pulling structure and the opening roller is arranged at the rear end of the cotton dropping channel.

[0007] Preferably, the material pulling structure includes two symmetrically rotating material pulling rollers installed inside the cotton dropping channel. The rear ends of the two material pulling rollers are connected to a linkage structure located at the rear end of the cotton dropping channel. Several material pulling claws are fixed on the outer wall of the material pulling rollers. Two spring grooves are symmetrically opened on the inner walls of both sides of the cotton dropping channel. A cleaning component is installed at each spring groove. The end of the material pulling claw is in contact with the cleaning component.

[0008] Preferably, the cleaning assembly includes a fixed block installed inside the spring groove, a guide opening extending through the fixed block, the inner wall of the guide opening being slidably connected to the outer wall of the guide rod, the guide rod being fixedly installed inside the spring groove, the upper end of the fixed block being fixedly connected to the top of the spring groove through a plurality of reset springs, a movable plate being fixed at the end of the fixed block away from the spring groove, the lower end of the movable plate being in contact with the end of the pulling claw, and a plurality of wire-drawing columns being fixed at the lower end of the movable plate, the plurality of wire-drawing columns and the plurality of pulling claws being distributed crosswise.

[0009] Preferably, each of the drawing columns is provided with a scraper ring slidably sleeved on its outer wall, and several scraper rings are fixedly installed on the insert, which is embedded and fixed in the inner wall of the cotton drop channel.

[0010] Preferably, the linkage structure includes a motor installed at the rear end of the cotton dropping channel. The output end of the motor is fixedly connected to a main drive wheel one. The main drive wheel one is fixedly connected to an opening roller. The main drive wheel one is driven by a drive belt one and connected to a driven wheel one. The pulling roller is fixed to a gear one. The gear one meshes with a gear two. The gear one and gear two are respectively fixed to two pulling rollers. The gear two is fixed with a main drive wheel two. The main drive wheel two is driven by a drive belt two and connected to a driven wheel two. The driven wheel two is connected to the discharge structure.

[0011] Preferably, the discharge structure includes a discharge cylinder rotatably installed inside the cotton dropping channel. The discharge cylinder is located between inclined block one and inclined block two, and one end of the discharge cylinder is fixedly connected to the driven wheel two. The outer wall of the discharge cylinder is evenly provided with several through holes, and a baffle is slidably provided at each through hole. The end of the baffle located inside the discharge cylinder is fixedly connected to a contact block.

[0012] Preferably, the contact block is fixedly connected to the inner wall of the discharge cylinder by a reset spring.

[0013] Preferably, a cam is provided in the middle of the discharge cylinder, the cam is fixed to the cotton drop channel, and the protruding end of the cam faces the first inclined block, the convex part of the cam faces the first inclined block, and the concave part of the cam faces the second inclined block.

[0014] Preferably, the arc of the first inclined block matches the outer end of the baffle, the arc of the second inclined block matches the outer wall of the discharge cylinder, and the lower end of the second inclined block is provided with a cleaning component for cleaning the outer wall of the discharge cylinder.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. In the material pulling structure of this invention, the material pulling claw interacts with the cleaning component. When the material pulling claw rotates, it contacts the wire drawing column under the moving plate. The wire drawing column removes impurities and fibers wrapped around the material pulling claw. The material pulling claw rotates and contacts the moving plate, causing it to move upward and compress the return spring. After the material pulling claw leaves, the moving plate returns to its original position under the spring force. During this process, the scraper ring slides relative to the wire drawing column, scraping off the impurities remaining on the wire drawing column. This interaction realizes the automatic cleaning of impurities wrapped around the material pulling claw, avoiding the impact of long-term accumulation of impurities on the material pulling effect, and ensuring that the material pulling structure can continuously and stably pull the raw material.

[0016] 2. This invention utilizes a linkage design between the cam inside the discharge cylinder and the contact block and baffle. When the contact block rotates to the protruding part of the cam, it is squeezed, causing the baffle to slide outward, and the raw material falls between the adjacent baffles. When it rotates to the recessed part, the return spring causes the baffle to reset, completing one discharge cycle. This achieves intermittent discharge, allowing the raw material to enter the cotton blending bin in batches and evenly, improving the uniformity and stability of the cotton blend and the consistency of product quality. At the same time, the cleaning part at the lower end of the inclined block rotates with the discharge cylinder, continuously cleaning the raw material adhering to the outer wall, preventing blockage, reducing downtime for cleaning, extending equipment life, and ensuring stable discharge efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention.

[0018] Figure 2 This is a schematic diagram of the internal structure of the cotton dropping channel of the present invention.

[0019] Figure 3 This is a schematic diagram of the linkage structure of the present invention.

[0020] Figure 4 This is a schematic diagram of the material discharge structure of the present invention.

[0021] Figure 5 This is a schematic diagram of the structure of the cotton dropping channel of the present invention in the direction of isometric view.

[0022] Figure 6 This is a schematic diagram of the material pulling structure of the present invention.

[0023] Figure 7 For the present invention Figure 5 A schematic diagram of the structure at point A in the middle.

[0024] Attached diagram annotations: 1. Cotton inlet hopper; 2. Cotton drop channel; 201. Inclined block one; 202. Inclined block two; 203. Cleaning component; 204. Spring groove; 205. Guide rod; 206. Inclined block three; 21. Linkage structure; 211. Motor; 212. Main drive wheel one; 213. Driven drive wheel one; 214. Drive belt one; 215. Gear one; 216. Gear two; 217. Main drive wheel two; 218. Drive belt two; 219. Driven drive wheel two; 22. Discharge structure ; 221. Discharge cylinder; 222. Through-hole; 223. Cam; 224. Contact block; 225. Return spring one; 226. Baffle; 23. Material pulling structure; 231. Material pulling roller; 232. Material pulling claw; 233. Cleaning assembly; 2331. Moving plate; 2332. Fixing block; 2333. Return spring two; 2334. Guide port; 2335. Wire drawing column; 234. Insert block; 235. Scraper ring; 24. Cotton opening roller; 241. Cotton opening burr; 3. Cotton mixing bin. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0026] The core technical concept of this invention lies in: achieving automatic cleaning to ensure the material pulling effect through the interaction between the material pulling claw and the cleaning component in the material pulling structure and the assistance of the scraping ring; utilizing the motor drive and transmission design of the linkage structure to enable the cotton opening roller, the material pulling roller and the discharge structure to work together; the discharge structure adopts cam baffle linkage to achieve intermittent discharge, and cleans the outer wall through the cleaning component at the lower end of the inclined block, thereby comprehensively improving the performance of the cotton blending machine and the quality of cotton blending.

[0027] Example 1 In one embodiment, such as Figures 1-7 As shown, a cotton blending machine with automatic cleaning function includes a cotton inlet 1 for receiving raw materials to be blended, a plurality of cotton drop channels 2 are provided at the lower end of the cotton inlet 1, and a cotton blending hopper 3 for blending the raw materials is provided at the lower end of the plurality of cotton drop channels 2. The top of the inner walls on both sides of the cotton drop channel 2 are symmetrically fixed with inclined blocks 1 201 and inclined blocks 202, respectively. A discharge structure 22 for intermittent discharge is provided between the inclined blocks 1 201 and inclined blocks 202. A pulling structure 23 for pulling the raw material is provided below the discharge structure 22. Two inclined blocks 3 206 are provided below the pulling structure 23. The two inclined blocks 3 206 are symmetrically fixed on both sides of the inner wall of the cotton drop channel 2. A cotton opening roller 24 for further loosening the raw material is provided between the two inclined blocks 3 206. A number of cotton opening thorns 241 are provided on the side wall of the cotton opening roller 24. A linkage structure 21 for driving the discharge structure 22, the pulling structure 23 and the cotton opening roller 24 is provided at the rear end of the cotton drop channel 2.

[0028] In this embodiment, the raw material is first stored in the cotton inlet hopper 1, and then enters the subsequent processing through several cotton drop channels 2 at its lower end. Within the cotton drop channels 2, the linkage structure 21 drives the discharge structure 22, the pulling structure 23, and the cotton opening roller 24 to operate in coordination. The discharge structure 22 discharges material intermittently; after the raw material falls, the pulling structure 23 pulls it, initially separating the loose fibers. Next, the raw material falls between two inclined blocks 206, and the cotton opening roller 24 rotates under the drive of the linkage structure 21, with its sidewall cotton opening burrs 241 further loosening the raw material. Finally, the raw material enters the mixing hopper 3 to complete the mixing, obtaining a uniform and stable finished product.

[0029] Example 2 Based on Example 1, such as Figures 5-7 As shown, the material pulling structure 23 includes two symmetrically rotating material pulling rollers 231 installed inside the cotton dropping channel 2. The rear ends of the two material pulling rollers 231 are connected to the linkage structure 21 located at the rear end of the cotton dropping channel 2. Several material pulling claws 232 are fixed on the outer wall of the material pulling rollers 231. Two spring grooves 204 are symmetrically opened on the inner walls of both sides of the cotton dropping channel 2. A cleaning component 233 is installed at each spring groove 204. The end of the material pulling claw 232 is in contact with the cleaning component 233.

[0030] The cleaning component 233 includes a fixing block 2332 installed inside the spring groove 204. A guide opening 2334 is provided through the fixing block 2332. The inner wall of the guide opening 2334 is slidably connected to the outer wall of the guide rod 205. The guide rod 205 is fixedly installed inside the spring groove 204. The upper end of the fixing block 2332 is fixedly connected to the top of the spring groove 204 through several reset springs 2333. A moving plate 2331 is fixed at the end of the fixing block 2332 away from the spring groove 204. The lower end of the moving plate 2331 is in contact with the end of the pulling claw 232. Several wire-pulling columns 2335 are fixed at the lower end of the moving plate 2331. The several wire-pulling columns 2335 and several pulling claws 232 are distributed crosswise.

[0031] Each of the drawing pins 2335 has a scraper ring 235 slidably sleeved on its outer wall, and several scraper rings 235 are fixedly installed on the insert block 234, which is embedded and fixed in the inner wall of the cotton drop channel 2.

[0032] It should be noted that during the operation of the cotton blending machine, the linkage structure 21 drives two symmetrically installed pulling rollers 231 inside the cotton drop channel 2 to rotate. Several pulling claws 232 fixed on the outer wall of the pulling rollers 231 rotate accordingly, pulling the raw material as it passes by, initially changing the fiber structure of the raw material, and making the fibers separate and loose.

[0033] During the rotation of the pulling claw 232, its end contacts the cleaning component 233. When the pulling claw 232 rotates to contact the lower end of the moving plate 2331, it applies a force to the moving plate 2331. Since the moving plate 2331 is slidably connected to the guide rod 205 via the fixing block 2332, and the upper end of the fixing block 2332 is fixedly connected to the top of the spring groove 204 via several return springs 2333, under this force, the moving plate 2331 will move upward along the guide rod 205, and the return springs 2333 will be compressed. When the pulling claw 232 continues to rotate away from the moving plate 2331, the moving plate 2331 will return to its initial position under the elastic force of the return springs 2333.

[0034] A number of wire-drawing columns 2335 and a number of material-pulling claws 232 are interspersed at the lower end of the moving plate 2331. During the up-and-down movement of the moving plate 2331, the wire-drawing columns 2335 interact with the material-pulling claws 232. At the same time, a scraper ring 235 slidably fitted on the outer wall of each wire-drawing column 2335 is fixedly installed on an insert 234. The insert 234 is embedded and fixed in the inner wall of the cotton drop channel 2, and the scraper ring 235 slides relative to the wire-drawing column 2335.

[0035] During the process of the pulling claw 232 pulling the raw material, impurities and fibers in the raw material may become entangled on the pulling claw 232. When the pulling claw 232 comes into contact with the moving plate 2331, the wire drawing column 2335 will remove some of the impurities and fibers entangled on the pulling claw 232, thus playing a preliminary role in cleaning the pulling claw 232.

[0036] The scraper ring 235 slides relative to the drawing column 2335. During the sliding process, the scraper ring 235 will further scrape off the impurities remaining on the drawing column 2335, ensuring the cleanliness of the drawing column 2335. This allows for better cleaning of the pulling claw 232, preventing the accumulation of impurities over a long period from affecting the pulling effect of the pulling claw 232 on the raw material. This ensures that the pulling structure 23 can continuously and stably pull the raw material, guaranteeing the initial separation and loosening effect of the raw material fibers, and thus ensuring the overall cotton blending quality of the cotton blending machine.

[0037] Example 3 Based on Embodiment 1 and Embodiment 2, as Figure 3As shown, the linkage structure 21 includes a motor 211 installed at the rear end of the cotton dropping channel 2. The output end of the motor 211 is fixedly connected to a main drive wheel 212. The main drive wheel 212 is fixedly connected to an opening roller 24. The main drive wheel 212 is driven by a driven wheel 213 via a drive belt 214. The pulling roller 231 is fixed to a gear 215. The gear 215 meshes with a gear 216. The gear 215 and the gear 216 are respectively fixed to two pulling rollers 231. A main drive wheel 217 is fixed on the gear 216. The main drive wheel 217 is driven by a driven wheel 219 via a drive belt 218. The driven wheel 219 is connected to the discharge structure 22.

[0038] It should be noted that the motor 211 drives the fixedly connected main drive wheel 212 to rotate. Since the main drive wheel 212 is directly fixedly connected to the cotton opening roller 24, the rotation of the main drive wheel 212 will synchronously drive the cotton opening roller 24 to rotate, so that the cotton opening burrs 241 on the side wall of the cotton opening roller 24 open the raw material. The main drive wheel 212 transmits power to the driven wheel 213 via the drive belt 214. The driven wheel 213 is connected to gear 215 on one of the pulling rollers 231 (this can be understood as the driven wheel 213 being connected to the component that drives gear 215 to rotate, thus driving gear 215). Gear 215 meshes with gear 216, and gears 215 and 216 are respectively fixed on the two pulling rollers 231, thus realizing the relative rotation of the two pulling rollers 231. The pulling claws 232 on the pulling rollers 231 pull the raw material. The main drive wheel 217 is fixed on gear 216. The main drive wheel 217 transmits power to the driven wheel 219 via the drive belt 218. The driven wheel 219 is connected to the discharge structure 22, thereby driving the discharge structure 22 to achieve intermittent discharge.

[0039] Through this series of transmission designs, the linkage structure 21 rationally distributes the power of the motor 211 to the opening roller 24, the pulling roller 231, and the discharge structure 22, enabling them to work collaboratively in a predetermined manner and rhythm. The intermittent discharge of the discharge structure 22 ensures the stability of the raw material supply, the pulling operation of the pulling roller 231 initially changes the fiber structure of the raw material, and the rotation of the opening roller 24 further loosens the raw material. The close cooperation of each link improves the overall working efficiency of the cotton blending machine.

[0040] Example 4 Based on Embodiment 1, Embodiment 2, and Embodiment 3, as follows Figures 2-4As shown, the discharge structure 22 includes a discharge cylinder 221 rotatably installed inside the cotton drop channel 2. The discharge cylinder 221 is located between the first inclined block 201 and the second inclined block 202, and one end of the discharge cylinder 221 is fixedly connected to the second drive wheel 219. The outer wall of the discharge cylinder 221 is evenly provided with a plurality of through holes 222. A baffle 226 is slidably provided at each through hole 222. One end of the baffle 226 located inside the discharge cylinder 221 is fixedly connected to a contact block 224.

[0041] The contact block 224 is fixedly connected to the inner wall of the discharge cylinder 221 by a reset spring 225.

[0042] The discharge cylinder 221 is provided with a cam 223 in the middle. The cam 223 is fixed to the cotton drop channel 2. The protruding end of the cam 223 faces the first inclined block 201, the convex part of the cam 223 faces the first inclined block 201, and the concave part of the cam 223 faces the second inclined block 202.

[0043] The arc of the first inclined block 201 matches the outer end of the baffle 226, the arc of the second inclined block 202 matches the outer wall of the discharge cylinder 221, and a cleaning component 203 for cleaning the outer wall of the discharge cylinder 221 is provided at the lower end of the second inclined block 202.

[0044] It should be noted that the driven wheel 219 rotates under the drive of the linkage structure 21. Since one end of the discharge cylinder 221 is fixedly connected to the driven wheel 219, the driven wheel 219 will drive the discharge cylinder 221 to rotate inside the cotton drop channel 2.

[0045] A cam 223 fixed to the cotton drop channel 2 is provided in the middle of the discharge cylinder 221. As the discharge cylinder 221 rotates, the contact block 224 inside the discharge cylinder 221 will contact different parts of the cam 223 in sequence. When the contact block 224 rotates to contact the protruding part of the cam 223, the contact block 224 will be squeezed, which will drive the baffle 226 to slide out of the discharge cylinder 221. At this time, the return spring 225 is compressed. At this time, the baffle 226 has rotated to the upper end of the cam 223, and the raw material falls between the two baffles 226. As the discharge cylinder 221 rotates, the raw material between the two baffles 226 is brought to the bottom.

[0046] When the contact block 224 rotates to contact the recessed part of the cam 223, under the elastic force of the return spring 225, the contact block 224 will drive the baffle 226 to slide into the discharge cylinder 221 and return to the initial position, ready for the next discharge cycle. At this time, the baffle 226 has rotated to the right end of the cam 223.

[0047] The curvature of inclined block 201 matches the outer end of baffle 226. During the sliding process of baffle 226, inclined block 201 can guide and limit the movement, ensuring the stability of the sliding of baffle 226. The curvature of inclined block 202 matches the outer wall of discharge cylinder 221, and a cleaning component 203 is provided at the lower end of inclined block 202. During the rotation of discharge cylinder 221, the cleaning component 203 can clean the outer wall of discharge cylinder 221, preventing raw materials from adhering to the outer wall of discharge cylinder 221, which would affect the discharge effect and the normal operation of the equipment.

[0048] The intermittent discharge of raw materials is achieved through the cooperation of cam 223 and baffle 226. This discharge method can precisely control the amount of material discharged each time, ensuring the stability and continuity of raw material supply.

[0049] Intermittent discharge helps the raw materials to be evenly distributed within the blending bin 3, preventing material accumulation or insufficient supply. This helps improve the uniformity and stability of the blend, thereby enhancing the quality of the blend.

[0050] The cleaning component 203 at the lower end of the inclined block 202 can effectively clean the raw material adhering to the outer wall of the discharge cylinder, preventing the raw material from clogging or affecting the discharge effect during the discharge process. This helps to keep the equipment clean and operate efficiently. The cleaning component 203 includes, but is not limited to, brushes, rubber scrapers, and compressed air nozzles; the above-mentioned cleaning components 203 are prior art well known to those skilled in the art, and therefore will not be described in detail here.

[0051] Any aspects of this invention not described in detail are well-known to those skilled in the art.

[0052] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A cotton blending machine with automatic cleaning function, characterized in that, It includes a cotton inlet (1) for receiving raw materials to be mixed, and a plurality of cotton drop channels (2) are provided at the lower end of the cotton inlet (1), and a cotton mixing bin (3) for mixing the raw materials is provided at the lower end of the plurality of cotton drop channels (2). The top of the inner walls on both sides of the cotton drop channel (2) is symmetrically fixed with inclined block 1 (201) and inclined block 2 (202). A discharge structure (22) for intermittent discharge is provided between the inclined block 1 (201) and inclined block 2 (202). A pulling structure (23) for pulling the raw material is provided below the discharge structure (22). Two inclined blocks 3 (206) are provided below the pulling structure (23). The two inclined blocks 3 (206) are symmetrically fixed on both sides of the inner wall of the cotton drop channel (2). A cotton opening roller (24) for further loosening the raw material is provided between the two inclined blocks 3 (206). A number of cotton opening thorns (241) are provided on the side wall of the cotton opening roller (24). A linkage structure (21) for driving the discharge structure (22), the pulling structure (23) and the cotton opening roller (24) is provided at the rear end of the cotton drop channel (2).

2. A cotton blending machine with automatic cleaning function according to claim 1, characterized in that, The material pulling structure (23) includes two symmetrically rotating material pulling rollers (231) installed inside the cotton drop channel (2). The rear ends of the two material pulling rollers (231) are connected to the linkage structure (21) located at the rear end of the cotton drop channel (2). A number of material pulling claws (232) are fixed on the outer wall of the material pulling rollers (231). Two spring grooves (204) are symmetrically opened on the inner walls of both sides of the cotton drop channel (2). A cleaning component (233) is installed at each spring groove (204). The end of the material pulling claw (232) is in contact with the cleaning component (233).

3. A cotton blending machine with automatic cleaning function according to claim 2, characterized in that, The cleaning component (233) includes a fixing block (2332) installed inside the spring groove (204). A guide opening (2334) is provided through the fixing block (2332). The inner wall of the guide opening (2334) is slidably connected to the outer wall of the guide rod (205). The guide rod (205) is fixedly installed inside the spring groove (204). The upper end of the fixing block (2332) is fixedly connected to the top of the spring groove (204) through several reset springs (2333). A movable plate (2331) is fixed at one end of the fixing block (2332) away from the spring groove (204). The lower end of the movable plate (2331) is in contact with the end of the pulling claw (232). Several wire-drawing columns (2335) are fixed at the lower end of the movable plate (2331). Several wire-drawing columns (2335) and several pulling claws (232) are distributed crosswise.

4. A cotton blending machine with automatic cleaning function according to claim 3, characterized in that, Each of the drawing pins (2335) has a scraper ring (235) slidably sleeved on its outer wall. Several scraper rings (235) are fixedly installed on the insert (234), which is embedded and fixed in the inner wall of the cotton drop channel (2).

5. A cotton blending machine with automatic cleaning function according to claim 2, characterized in that, The linkage structure (21) includes a motor (211) installed at the rear end of the cotton drop channel (2). The output end of the motor (211) is fixedly connected to the main drive wheel (212). The main drive wheel (212) is fixedly connected to the cotton opening roller (24). The main drive wheel (212) is connected to the driven wheel (213) via the drive belt (214). The pulling roller (231) is fixed to the gear (215). The gear (215) meshes with the gear (216). The gear (215) and the gear (216) are fixed to the two pulling rollers (231) respectively. The gear (216) is fixed with the main drive wheel (217). The main drive wheel (217) is connected to the driven wheel (219) via the drive belt (218). The driven wheel (219) is connected to the discharge structure (22).

6. A cotton blending machine with automatic cleaning function according to claim 1, characterized in that, The discharge structure (22) includes a discharge cylinder (221) rotatably installed inside the cotton drop channel (2). The discharge cylinder (221) is located between the first inclined block (201) and the second inclined block (202). One end of the discharge cylinder (221) is fixedly connected to the second transmission wheel (219). The outer wall of the discharge cylinder (221) is evenly provided with several through holes (222). A baffle (226) is slidably provided at each through hole (222). One end of the baffle (226) located inside the discharge cylinder (221) is fixedly connected to a contact block (224).

7. A cotton blending machine with automatic cleaning function according to claim 6, characterized in that, The contact block (224) is fixedly connected to the inner wall of the discharge cylinder (221) by a reset spring (225).

8. A cotton blending machine with automatic cleaning function according to claim 6, characterized in that, A cam (223) is provided in the middle of the discharge cylinder (221). The cam (223) is fixed to the cotton drop channel (2). The protruding end of the cam (223) faces the first inclined block (201), the protruding part of the cam (223) faces the first inclined block (201), and the concave part of the cam (223) faces the second inclined block (202).

9. A cotton blending machine with automatic cleaning function according to claim 6, characterized in that, The arc of the first inclined block (201) matches the outer end of the baffle (226), the arc of the second inclined block (202) matches the outer wall of the discharge cylinder (221), and a cleaning component (203) for cleaning the outer wall of the discharge cylinder (221) is provided at the lower end of the second inclined block (202).

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