阅读说明：本技术 一种采棉义手 (Cotton picking artificial hand ) 是由 张红 朱鹏程 李民 滕敦波 牟温东 王慧 胡晓青 盛光英 栾树栋 魏茂源 于 2021-06-24 设计创作，主要内容包括：本发明涉及农机,具体是一种采棉义手,包括壳体,壳体包括相互固接的上盖板和下盖板,上盖板固设与人体小臂形状相应的软垫,软垫两侧的上盖板上分别固接多条能将壳体与人体小臂绑缚在一起的皮带,软垫前方的上盖板上固接适于人手握持的手把棒；还包括电动采棉模块,电动采棉模块能抓取开放的棉朵自壳体的前端入口进入并从壳体后下方的排出口排出到系在腰间的布袋中。与现有手持式采棉器相比,本发明绑缚在人体小臂上,手握在手把棒上进行操作,基本上小臂呈水平状态,前伸及左右摆动方便,不会降低灵活性,而且大大降低了疲劳程度,同时将电池等比较重的部件分离,大大减轻了重量,提高采棉效率和质量。(The invention relates to agricultural machinery, in particular to a cotton picking artificial hand, which comprises a shell, wherein the shell comprises an upper cover plate and a lower cover plate which are fixedly connected with each other, a soft cushion which is corresponding to the shape of a small arm of a human body is fixedly arranged on the upper cover plate on two sides of the soft cushion, a plurality of belts which can tie the shell and the small arm of the human body together are fixedly connected on the upper cover plate on two sides of the soft cushion respectively, and a handle bar which is suitable for being held by a human hand is fixedly connected on the upper cover plate in front of the soft cushion; the cotton picking machine further comprises an electric cotton picking module, wherein the electric cotton picking module can grab open cotton to enter from an inlet at the front end of the shell and discharge the cotton to a cloth bag tied between the waist from a discharge port at the rear lower part of the shell. Compared with the existing hand-held cotton picker, the invention is bound on the forearm of the human body, and the forearm is held on the handle bar to operate, the forearm is basically in a horizontal state, the forward extension and the left-right swinging are convenient, the flexibility can not be reduced, the fatigue degree is greatly reduced, meanwhile, the components with heavier battery ratio, etc. are separated, the weight is greatly reduced, and the cotton picking efficiency and the cotton picking quality are improved.)

1. A cotton picking artificial hand comprises a shell (100), wherein the shell (100) comprises an upper cover plate and a lower cover plate which are fixedly connected with each other, and is characterized in that the upper cover plate is fixedly provided with a cushion (200) corresponding to the shape of a forearm of a human body, the upper cover plates at two sides of the cushion (200) are respectively and fixedly connected with a plurality of belts (400) which can tie the shell and the forearm of the human body together, and the upper cover plate in front of the cushion (200) is fixedly connected with a handle bar (300) suitable for being held by the hand; the cotton picking machine also comprises an electric cotton picking module, wherein the electric cotton picking module can grab open cotton to enter from an inlet (101) at the front end of the shell (100) and discharge the cotton to a cloth bag tied at the waist from a discharge port (102) at the rear lower part of the shell (100).

2. The cotton picking artificial hand according to claim 1, characterized in that the electric cotton picking module comprises a left driven pulley (501) and a right driven pulley (502) rotatably arranged at the front end inlet (101) of the upper cover plate and the lower cover plate, a left driving pulley (503) and a right driving pulley (504) rotatably arranged at the back of the upper cover plate and the lower cover plate, a left steering pulley (505) and a right steering pulley (506) rotatably arranged at the middle part of the upper cover plate and the lower cover plate, the left driving pulley (503) is arranged at the left side of the connecting line of the left driven pulley (501) and the left steering pulley (505), the right driving pulley (504) is arranged at the right side of the connecting line of the right driven pulley (502) and the right steering pulley (506), a left belt (507) is wound on the left driven pulley (501), the left steering pulley (505) and the left driving pulley (503), a right belt (508) is wound on the right driven pulley (502), the right steering pulley (506) and the right driving pulley (504), a plurality of rows of acupuncture needles (509) are fixedly arranged on the outer surfaces of the left belt (507) and the right belt (508); the discharge port (102) is positioned on a lower cover plate between a left belt (507) and a right belt (508) at the rear section, a major arc-shaped scraper (510) is fixedly arranged on the lower cover plate outside the discharge port (102), two ends of the scraper (510) are respectively pressed against the inner sides of the left belt (507) and the right belt (508) and are provided with a plurality of notches (511) avoiding a plurality of rows of acupuncture (509), the width of the notch (511) positioned at the end part is 2-3 times of the diameter of the acupuncture (509), and the width of the notch (511) is smaller inwards until the notch disappears; a mounting plate (512) is fixedly arranged near the rear end of the upper cover plate, a left driving shaft (513) fixedly connected with the left driving pulley (503) and a right driving shaft (514) fixedly connected with the right driving pulley (504) pass through the upper cover plate to be connected with the mounting plate (512), and a left driving pulley (515) and a right driving pulley (516) are fixedly arranged on the left driving shaft (513) and the right driving shaft (514) between the mounting plate (512) and the upper cover plate respectively; a turbine shaft (517), a through shaft (518) and a gear shaft (528) are further rotatably arranged on the mounting plate (512) and the upper cover plate between the left driving pulley (515) and the right driving pulley (516), a turbine (526) and two first driving pulleys (519) are fixedly arranged on the turbine shaft (517), a second driving pulley (520) and a driving gear (527) are fixedly arranged on the gear shaft (528), and a driven gear (529) and a third driving pulley (530) are fixedly arranged on the through shaft (518); a left driving belt (521) is wound on the left driving belt wheel (515) and one of the first driving belt wheels (519), a driving belt (522) is wound on the other one of the first driving belt wheels (519) and the second driving belt wheel (520), the driving gear (527) is meshed with the driven gear (529), and a right driving belt (523) is wound on the third driving belt wheel (530) and the right driving belt wheel (516); a drive motor (524) is fixedly arranged on the upper cover plate, a motor shaft of the drive motor (524) is fixedly connected with a worm (525), and the worm (525) is meshed with a turbine (526); the driving motor (524) rotates anticlockwise to drive the turbine shaft (517) to rotate clockwise, the left driving belt (521) drives the left driving shaft (513) to rotate clockwise, and the left driving shaft (513) drives the left belt (507) to rotate clockwise; the transmission belt (522) drives the idler shaft (528) to rotate clockwise, the idler shaft (518) is driven by the gear shaft (528) to rotate anticlockwise, the right driving belt (523) drives the right driving shaft (514) to rotate anticlockwise, the right driving shaft (514) drives the right belt (508) to rotate anticlockwise, and therefore the left belt (507) and the right belt (508) exposed out of the front end inlet (101) of the shell (100) are synchronously rolled inwards to enable cotton to be grabbed and rolled into the front end inlet (101) of the shell.

3. The cotton picking handle according to claim 1, characterized in that a blowing port (103) is provided on the upper cover plate at a position corresponding to the discharge port (102), an axial flow fan (600) is provided on the upper cover plate above the blowing port (103), the axial flow fan (600) drives an air flow to blow cotton located in the scraper (510) and is adapted to be rapidly discharged from the discharge port (102).

4. The cotton picking hander according to claim 1, wherein the outer sides of the upper cover plate and the lower cover plate of the housing (100), the left steering pulley (505) and the right steering pulley (506) are respectively provided with a left slotted hole (104) and a right slotted hole (105), the left slotted hole (104) and the right slotted hole (105) are respectively provided with a left tensioning shaft (531) and a right tensioning shaft (532), two ends of the left tensioning shaft (531) and the right tensioning shaft (532) are respectively provided with threads, a fastening nut (533) is screwed with the threads at the two ends of the left tensioning shaft (531) and the right tensioning shaft (532), the left tensioning wheel (534) and the right tensioning shaft (535) in the housing (100) are respectively provided with a left tensioning wheel (534) and a right tensioning wheel (535), the left tensioning wheel (534) and the right tensioning shaft (535) are provided with a plurality of annular grooves with a plurality of rows of avoiding needles (509), and the fastening nut (533) is provided with a plurality of rows of annular grooves at different positions of the left slotted hole (104) or the right slotted hole (105) and the tensioning wheel (531) and the left tensioning shaft (531) or the right slotted hole (532), and the tensioning shaft (531) respectively The tensioning shaft (532) is screwed to adjust the tension of the left belt (507) or the right belt (508).

5. The cotton picker according to claim 1, wherein a circular slope (106) is provided between the discharge port (102) and the lower cover plate to prevent the cotton from being trapped.

6. The cotton picking artificial hand according to claim 1, characterized in that the front inlet (101) of the shell (100) is concave inwards to form a swallowing opening (107), and the inside of the swallowing opening (107) is provided with a circular slope (106) suitable for cotton to smoothly enter.

7. The cotton picking artificial hand according to claim 1, characterized in that a plurality of hooks (108) are fixedly arranged on the discharge port (102) to facilitate the connection of the cloth bag.

8. The cotton picking artificial hand according to claim 2, characterized in that, the cotton picking artificial hand further comprises a cover body (800), the cover body (800) encloses the mounting plate (512) and the components below the mounting plate (512), a power socket (900) is arranged at the right side of the cover body (800), the other end of the wire plugged with the power socket (900) is connected with a backpack chargeable battery pack, the chargeable battery pack provides power for the driving motor (524) and the axial flow fan (600), and a power switch (700) is arranged at the end part of the handle bar (300) and is suitable for being controlled conveniently.

9. The cotton picking artificial hand according to claim 2, wherein the length of the needle pricks (509) is gradually reduced from the outer row to the inner row to adapt to the shape of the cotton, and the shape of the needle pricks (509) is conical to ensure that the cotton fibers are smoothly removed without residue.

Technical Field

The invention relates to agricultural machinery, in particular to a cotton picking artificial hand.

Background

Cotton is an important economic crop, is also an important leading raw material of textile industry, and occupies an important position in China and even the national economy of the world. In recent years, the cotton planting area of China is gradually enlarged, and the cotton picking problem is particularly prominent.

The cotton picking mode mainly adopts two modes of cotton picking by a cotton picker and manual cotton picking. The cotton picker has the characteristic of high efficiency, but the quality of cotton picking is not high, and the cotton picking contains more impurities; the purchase cost is too high in the early stage; the volume is large, and the device cannot be applied to small and mountain cotton fields. Although the quality of the artificial cotton picking is good and the impurities are few, the situation that one person is difficult to request often appears along with the improvement of the labor cost in recent years.

Disclosure of Invention

The invention carries out the advantages and disadvantages of cotton picking of a cotton picker and manual cotton picking, provides a cotton picking sensible hand with relatively higher efficiency and cotton picking quality which is comparable to the manual cotton picking, and adopts the technical scheme that:

a cotton picking artificial hand comprises a shell, wherein the shell comprises an upper cover plate and a lower cover plate which are fixedly connected with each other, a soft cushion corresponding to the shape of a small arm of a human body is fixedly arranged on the upper cover plate, the upper cover plate on two sides of the soft cushion is fixedly connected with a plurality of belts capable of binding the shell and the small arm of the human body together, and a handle bar suitable for being held by the hand is fixedly connected on the upper cover plate in front of the soft cushion; the cotton picking machine further comprises an electric cotton picking module, wherein the electric cotton picking module can grab open cotton to enter from an inlet at the front end of the shell and discharge the cotton to a cloth bag tied between the waist from a discharge port at the rear lower part of the shell.

Compared with the existing hand-held cotton picker, the invention is bound on the forearm of the human body, and the forearm is held on the handle bar to operate, the forearm is basically in a horizontal state, the forward extension and the left-right swinging are convenient, the flexibility can not be reduced, the fatigue degree is greatly reduced, meanwhile, the components with heavier battery ratio, etc. are separated, the weight is greatly reduced, and the cotton picking efficiency and the cotton picking quality are improved.

Furthermore, the electric cotton picking module comprises a left driven belt wheel and a right driven belt wheel which are rotatably arranged at the front end inlets of the upper cover plate and the lower cover plate, a left driving belt wheel and a right driving belt wheel which are rotatably arranged behind the upper cover plate and the lower cover plate, and a left steering belt wheel and a right steering belt wheel which are rotatably arranged in the middle of the upper cover plate and the lower cover plate, wherein the left driving belt wheel is positioned on the left side of a connecting line of the left driven belt wheel and the left steering belt wheel, the right driving belt wheel is positioned on the right side of the connecting line of the right driven belt wheel and the right steering belt wheel, a left belt is wound on the left driven belt wheel, the left steering belt wheel and the left driving belt wheel, a right belt is wound on the right driven belt wheel, the right steering belt wheel and the right driving belt wheel, and 5 rows of needle pricks are fixedly arranged on the outer surfaces of the left belt and the right belt; the discharge port is positioned on the lower cover plate between the left belt and the right belt at the rear section, the lower cover plate outside the discharge port is fixedly provided with a major arc-shaped scraper, two ends of the scraper are respectively pressed against the inner sides of the left belt and the right belt and are provided with 5 notches avoiding 5 rows of needling, the width of the notch positioned at the end part is 2-3 times of the needling diameter, and the width of the notch is smaller inwards until the notch disappears; a mounting plate is fixedly arranged at the rear end close to the upper cover plate, a left driving shaft fixedly connected with a left driving belt wheel and a right driving shaft fixedly connected with a right driving belt wheel penetrate through the upper cover plate to be connected with the mounting plate in a switching way, and a left driving belt wheel and a right driving belt wheel are fixedly arranged on the left driving shaft and the right driving shaft between the mounting plate and the upper cover plate respectively; a turbine shaft, a through wheel shaft and a gear shaft are further arranged on the mounting plate between the left driving belt wheel and the right driving belt wheel and the upper cover plate in a rotating mode, the turbine shaft is fixedly provided with a turbine and two first driving belt wheels, the gear shaft is fixedly provided with a second driving belt wheel and a driving gear, and the through wheel shaft is fixedly provided with a driven gear and a third driving belt wheel; a left driving belt is wound on the left driving belt wheel and one of the first driving belt wheels, a driving belt is wound on the other first driving belt wheel and the second driving belt wheel, the driving gear is engaged with the driven gear, and a right driving belt is wound on the third driving belt wheel and the right driving belt wheel; a driving motor is fixedly arranged on the upper cover plate, a motor shaft of the driving motor is fixedly connected with a worm, and the worm is meshed with the turbine; the driving motor rotates anticlockwise to drive the turbine shaft to rotate clockwise, the left driving belt drives the left driving shaft to rotate clockwise, and the left driving shaft drives the left belt to rotate clockwise; the gear shaft clockwise rotation is crossed in the drive belt drive, and the gear shaft drives the counter-clockwise rotation of wheel axle, and right drive belt drives right driving shaft counter-clockwise rotation, and right driving shaft drives right belt counter-clockwise rotation, so expose in the front end entry of casing left belt and right belt synchronous interior book make with snatch the cotton and be drawn into in its front end entry.

Furthermore, a blowing port is formed in the position, corresponding to the discharge port, of the upper cover plate, an axial flow fan is arranged on the upper cover plate above the blowing port, and the axial flow fan drives air flow to blow to cotton located in the scraping plate, so that the cotton is suitable for being quickly discharged from the discharge port.

Further, the upper cover plate and the lower cover plate of the shell are arranged, a left long circular hole and a right long circular hole are formed in the outer sides of the left steering belt wheel and the right steering belt wheel respectively, a left tensioning shaft and a right tensioning shaft penetrate through the left long circular hole and the right long circular hole respectively, threads are arranged at two ends of the left tensioning shaft and two ends of the right tensioning shaft respectively, fastening nuts are in threaded connection with the threads at two ends of the left tensioning shaft and the right tensioning shaft respectively, a left tensioning wheel and a right tensioning wheel are arranged on the left tensioning shaft and the right tensioning shaft in the shell in a rotating mode respectively, 5 annular grooves for avoiding 5 rows of acupuncture points are formed in the left tensioning wheel and the right tensioning wheel respectively, and the fastening nuts are in threaded connection with the left tensioning shaft or the right tensioning shaft at different positions of the left long circular hole or the right long circular hole so as to adjust the tension degree of the left belt or the right belt.

Furthermore, an arc slope is arranged between the discharge port and the lower cover plate to prevent cotton from being detained.

Furthermore, a plurality of hooks are fixedly arranged on the discharge port so as to be convenient for connecting the cloth bag.

Furthermore, the inlet at the front end of the shell is inwards sunken to form a swallowing opening, and an arc slope is arranged on the inner side of the swallowing opening and is suitable for cotton to smoothly enter.

The backpack rechargeable battery pack is connected with the other end of a wire spliced with the power socket, provides power for the driving motor and the axial flow fan, and the power switch is arranged at the end part of the handle bar and is suitable for being controlled conveniently.

Further, the length of the needle-punched part is gradually reduced from the outer row to the inner row so as to adapt to the shape of the cotton, and the shape of the needle-punched part is conical, so that the cotton fiber can be smoothly removed without residue.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the structure of fig. 1 from another view angle.

FIG. 3 is a schematic view and a partial enlarged view of the upper part of the upper cover plate hidden in the present invention.

Fig. 4 is a schematic structural view of the invention after partially hiding the cover body.

Fig. 5 is a schematic view of the mounting plate of fig. 4 further hidden.

Fig. 6 is a schematic structural view of the present invention after the lower cover plate is hidden.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. While the terms "front", "rear", etc. used in the embodiments indicate orientations or positional relationships based only on the orientations or positional relationships shown in the drawings, "first" and "second" are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

A cotton picking artificial hand comprises a shell 100, wherein the shell 100 comprises an upper cover plate and a lower cover plate which are fixedly connected with each other, and the cotton picking artificial hand is characterized in that the upper cover plate is fixedly provided with a soft cushion 200 corresponding to the shape of a forearm of a human body, the upper cover plates at two sides of the soft cushion 200 are respectively fixedly connected with a plurality of belts 400 capable of binding the shell and the forearm of the human body together, and the upper cover plate in front of the soft cushion 200 is fixedly connected with a handle bar 300 suitable for being held by a hand; the cotton picking machine further comprises an electric cotton picking module, wherein the electric cotton picking module can grab open cotton to enter from an inlet 101 at the front end of the shell 100 and discharge the cotton to a cloth bag tied at the waist from a discharge port 102 at the rear lower part of the shell 100.

The electric cotton picking module specifically comprises a left driven pulley 501 and a right driven pulley 502 which are rotatably arranged at the front end inlet 101 of the upper cover plate and the lower cover plate, a left driving pulley 503 and a right driving pulley 504 which are rotatably arranged behind the upper cover plate and the lower cover plate, a left steering pulley 505 and a right steering pulley 506 which are rotatably arranged in the middle of the upper cover plate and the lower cover plate, wherein the left driving pulley 503 is positioned on the left side of the connecting line of the left driven pulley 501 and the left steering pulley 505, the right driving pulley 504 is positioned on the right side of the connecting line of the right driven pulley 502 and the right steering pulley 506, a left belt 507 is wound on the left driven pulley 501, the left steering pulley 505 and the left driving pulley 503, a right belt 508 is wound on the right driven pulley 502, the right steering pulley 506 and the right driving pulley 504, and 5 rows of needle pricks 509 are fixedly arranged on the outer surfaces of the left belt 507 and the right belt 508; the discharge port 102 is positioned on the lower cover plate between the left belt 507 and the right belt 508 at the rear section, a major arc-shaped scraper 510 is fixedly arranged on the lower cover plate outside the discharge port 102, two ends of the scraper 510 are respectively pressed against the inner sides of the left belt 507 and the right belt 508 and are provided with 5 notches 511 avoiding 5 rows of acupuncture 509, the width of the notch 511 positioned at the end part is 2-3 times of the diameter of the acupuncture 509, and the width of the notch 511 is smaller inwards until the notch disappears; a mounting plate 512 is fixedly arranged near the rear end of the upper cover plate, a left driving shaft 513 fixedly connected with the left driving pulley 503 and a right driving shaft 514 fixedly connected with the right driving pulley 504 pass through the upper cover plate to be connected with the mounting plate 512 in a switching way, and a left driving pulley 515 and a right driving pulley 516 are respectively and fixedly arranged on the left driving shaft 513 and the right driving shaft 514 between the mounting plate 512 and the upper cover plate; a turbine shaft 517, a through wheel shaft 518 and a gear shaft 528 are further rotatably arranged on the mounting plate 512 and the upper cover plate between the left driving wheel 515 and the right driving wheel 516, a turbine 526 and two first driving wheels 519 are fixedly arranged on the turbine shaft 517, a second driving wheel 520 and a driving gear 527 are fixedly arranged on the gear shaft 528, and a driven gear 529 and a third driving wheel 530 are fixedly arranged on the through wheel shaft 518; a left driving belt 521 is wound on the left driving belt wheel 515 and one of the first driving belt wheels 519, a driving belt 522 is wound on the other one of the first driving belt wheels 519 and the second driving belt wheel 520, the driving gear 527 is meshed with the driven gear 529, and a right driving belt 523 is wound on the third driving belt wheel 530 and the right driving belt wheel 516; a driving motor 524 is fixedly arranged on the upper cover plate, a motor shaft of the driving motor 524 is fixedly connected with a worm 525, and the worm 525 is meshed with the worm wheel 526; the driving motor 524 rotates anticlockwise to drive the turbine shaft 517 to rotate clockwise, the left driving belt 521 drives the left driving shaft 513 to rotate clockwise, and the left driving shaft 513 drives the left belt 507 to rotate clockwise; the driving belt 522 drives the idler shaft 528 to rotate clockwise, the idler shaft 518 is driven by the gear shaft 528 to rotate anticlockwise, the right driving belt 523 drives the right driving shaft 514 to rotate anticlockwise, the right driving shaft 514 drives the right belt 508 to rotate anticlockwise, and therefore the left belt 507 and the right belt 508 exposed out of the front end inlet 101 of the shell 100 are synchronously rolled inwards to grab and roll cotton into the front end inlet 101.

The upper cover plate is provided with a blowing port 103 at a position corresponding to the discharge port 102, an axial flow fan 600 is arranged on the upper cover plate above the blowing port 103, and the axial flow fan 600 drives air flow to blow cotton in the scraper 510 and is suitable for being rapidly discharged from the discharge port 102.

The outer sides of the upper cover plate and the lower cover plate of the casing 100, the left steering belt wheel 505 and the right steering belt wheel 506 are respectively provided with a left long circular hole 104 and a right long circular hole 105, a left tensioning shaft 531 and a right tensioning shaft 532 are respectively arranged in the left long circular hole 104 and the right long circular hole 105 in a penetrating mode, two ends of the left tensioning shaft 531 and the right tensioning shaft 532 are respectively provided with threads, fastening nuts 533 are in threaded connection with the threads at two ends of the left tensioning shaft 531 and the right tensioning shaft 532, a left tensioning wheel 534 and a right tensioning wheel 535 are respectively arranged on the left tensioning shaft 531 and the right tensioning shaft 532 in the casing 100 in a rotating mode, 5 annular grooves avoiding 5 rows of acupuncture 509 are formed in the left tensioning wheel 534 and the right tensioning wheel 535, and fastening nuts 533 are in threaded connection with the left tensioning shaft 531 or the right tensioning shaft 532 at different positions of the left long circular hole 104 or the right long circular hole 105 to adjust the tension of the left belt 507 or the right belt 508.

An arc slope 106 is provided between the outlet 102 and the lower cover plate to prevent the cotton from being caught.

The front inlet 101 of the housing 100 is recessed inwards to form a swallowing opening 107, and the inner side of the swallowing opening 107 is provided with a circular slope 106 suitable for cotton to smoothly enter.

A plurality of hooks 108 are fixedly arranged on the discharge port 102 to facilitate connection of the cloth bag.

The portable electric fan further comprises a cover body 800, the cover body 800 encloses the mounting plate 512 and components below the mounting plate 512, a power socket 900 is mounted on the right side of the cover body 800, the other end of a wire spliced with the power socket 900 is connected with a backpack rechargeable battery pack, the rechargeable battery pack provides power for the driving motor 524 and the axial flow fan 600, and the power switch 700 is mounted at the end of the handle bar 300 and is suitable for being controlled conveniently.

The length of the needle punching 509 is gradually reduced from the outer row to the inner row to adapt to the shape of the cotton, and the shape of the needle punching 509 is conical, so that the cotton fibers can be smoothly removed without residues.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.