CN214400841U - Blow cotton machine that blows that cotton effect is excellent - Google Patents

Abstract

The utility model relates to a blow cotton machine that cotton effect is excellent, including blowing the cotton machine body, it is connected with the cylinder to blow to rotate on the cotton machine body, it is provided with the protection casing that is used for protecting the cylinder to blow on the cotton machine body, be provided with clean mouthful on the protection casing, it is connected with the door that opens and shuts to rotate on the protection casing, the door that opens and shuts is used for sealing clean mouthful to open and shut, the rotation center line that opens and shuts the door sets up along blowing cotton machine body width direction, be provided with a plurality of block pieces on the door that opens and shuts, it is provided with the block groove to correspond the block piece on the protection casing, the block groove is used for supplying the block gomphosis, be provided with the locking device who is used for fixed block piece and block groove gomphosis state on the protection casing. This application has through the stable transportation cotton fiber of tin forest for blow cotton machine and blow the excellent effect of cotton effect.

Description

Blow cotton machine that blows that cotton effect is excellent

Technical Field

The application relates to the field of cotton blowing machines, in particular to a cotton blowing machine with excellent cotton blowing effect.

Background

The cotton blowing machine is equipment applied to preparation of the bi-component melt-blown non-woven fabric, when the cloth is prepared by a melt-blown method, single-component preparation is adopted at present, and cotton fibers are blown away and mixed with melt-blown slurry through the arrangement of the cotton blowing machine, so that the limitation of conventional multi-component mixing is reduced.

Notice No. is CN 207405267U's utility model discloses a blow cotton machine, including the crushing roller of the first pin tooth of frame, hair-dryer, wind channel and periphery equipartition, still be provided with in the frame and blow cotton passageway and baffle, through smashing the roller with cotton fiber carry to with blow the tangent angle of cotton passageway, blow away cotton fiber through the hair-dryer. Through blowing cotton passageway and baffle, improved the effect of blowing cotton efficiency.

In view of the above-mentioned related art, the inventor believes that after long-term use, because cotton fibers are easy to fly and wind around the cylinder, there is a defect that the effect of transporting cotton fibers through the cylinder is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the relatively poor defect of cylinder transportation cotton fiber effect, this application provides a blow cotton machine that cotton effect is excellent.

The application provides a blow cotton machine that cotton effect is excellent adopts following technical scheme:

the utility model provides a blow cotton machine that cotton effect is excellent, is including blowing the cotton machine body, it is connected with the cylinder to blow to rotate on the cotton machine body, it is provided with the protection casing that is used for protecting the cylinder to blow on the cotton machine body, be provided with clean mouthful on the protection casing, it is connected with the door that opens and shuts to rotate on the protection casing, the door that opens and shuts is used for sealing clean mouthful to open and shut, the rotation center line that opens and shuts the door is on a parallel with the setting of blowing cotton machine body width direction, it is provided with a plurality of block pieces to open and shut on the door, it is provided with the block groove to correspond the block piece on the protection casing, the block groove is used for supplying block gomphosis, be provided with the locking device who is used for fixed block piece and block groove gomphosis state on the protection casing.

Through adopting above-mentioned technical scheme, under locking device's effect in the normality, the block piece all the time with block groove gomphosis, make cotton fiber carry in the protection casing, make cotton fiber be difficult for in flying to the air, improve operational environment's cleanliness, the difficult mistake of user simultaneously touches the cylinder and leads to the cylinder to transport cotton fiber's effect excellent, make blowing cotton machine blow cotton effect excellent, lead to twining more cotton silk on the xiLin when using for a long time, lead to when relatively poor to cotton fiber's transportation effect, only need relieve locking device's locking, open and shut the door and open, expose the cylinder, clear up the cylinder, user easy and simple to handle.

Optionally, locking device sets up the locking piece on the protection casing including sliding, the locking piece slides along frame width direction, it is provided with the locking hole to correspond the locking piece on the block piece, the locking hole is used for supplying the gomphosis of locking piece, be provided with the driver part who is used for driving locking piece and locking hole gomphosis on the protection casing.

Through adopting above-mentioned technical scheme, under drive action of drive unit, the locking piece cunning move to with the locking hole gomphosis, and then make the gomphosis state of block piece and block groove maintain stably, consequently at the fibrous in-process of cylinder transportation cotton, the difficult mistake of user touches the cylinder, the effect that makes to drive cotton fiber transportation through the cylinder is excellent, when needs clearance cylinder, earlier with locking piece and locking hole separation, then rotate the door that opens and shuts, make block piece and block groove separation, thereby expose the cylinder, and clear up the cylinder.

Optionally, the drive part includes the elastic component, the one end that the locking hole was kept away from to the one end of elastic component and locking piece links to each other, the other end and the protection casing of elastic component link to each other, the locking piece is the wedge piece, the inclined plane of locking piece is close to the setting of block, the locking piece cooperatees with the block, be provided with the separator that is used for driving locking piece and locking hole separation on the protection casing.

Through adopting above-mentioned technical scheme, because the locking piece is the wedge, when the block slides to the block groove but not gomphosis, through the cooperation of block and locking piece, the drive locking piece keeps away from the locking hole and slides, when the block with the block groove gomphosis, under the elastic force effect of elastic component, drive locking piece and locking hole gomphosis, the protection casing of messenger is stable to the protection of cylinder, through the setting of separator, when needs clearance cylinder, through separator drive locking piece and locking hole separation, rotate the door that opens and shuts again and make the cylinder expose to clear up the cylinder.

Optionally, the separator includes separator bar and separation rope, the separator bar rotates and sets up at the protection casing, the axis perpendicular to locking block of separator bar and the gomphosis direction in locking hole, the separation rope is around locating on the separator bar, the one end that the separator bar was kept away from to the separator bar links to each other with the one end that the locking block was kept away from to the locking block.

Through adopting above-mentioned technical scheme, when the door that opens and shuts is opened to needs, rotate the release lever to rolling separation rope, and then drive the locking piece and keep away from the locking hole cunning and move to and the locking hole separation, rotate the door that opens and shuts then, can expose the cylinder, because the separation rope links to each other with two locking pieces, drive two locking pieces and locking hole separation in step, be convenient for remove the locking, user easy and simple to handle.

Optionally, be provided with the spout on the safety cover, the spout is used for sliding with the release lever and is connected, be provided with the stopper on the release lever, be provided with the spacing groove on the safety cover, the one end that the spacing groove is located the both sides of spout and keeps away from the cylinder is opened, the spacing groove is used for supplying the stopper to wear to move.

Through adopting above-mentioned technical scheme, under the normality, stopper and spacing groove gomphosis, when the door that opens and shuts is opened to needs, slide earlier the release lever to stopper and spacing groove separation, rotate release lever rolling separation rope again to make locking block and locking hole separation, slide the release lever to stopper and spacing groove gomphosis, need not the user and maintain the state of locking block and locking hole separation, the user is easy and simple to handle, can rotate the door that opens and shuts and expose the tin forest and clear up the tin forest.

Optionally, a rotating shaft penetrates through the opening and closing door, a driving piece used for driving the opening and closing door to automatically close the cleaning opening is arranged on the rotating shaft, and a limiting part used for limiting the rotating angle of the opening and closing door is arranged on the protective cover.

Through adopting above-mentioned technical scheme, under the driving action of driving piece, behind user's clearance cylinder, the door self-closing that opens and shuts for the effect through the door closure clearance mouth that opens and shuts is excellent, through stop part's setting, makes when clearance cylinder, need not the user and maintains the door state of opening and shutting, user easy and simple to handle.

Optionally, the limiting part comprises a limiting rod, a connecting rod is arranged in the limiting rod in a sliding mode, the connecting rod slides along the axis direction of the limiting rod, one end, far away from the limiting rod, of the connecting rod is connected with the outer side wall of the opening and closing door, and a clamping piece used for limiting the relative position between the limiting rod and the connecting rod is arranged on the connecting rod.

Through adopting above-mentioned technical scheme, when opening the door that opens and shuts, the connecting rod slides along gag lever post axis direction, and under the block effect of fastener, the relative position relation between connecting rod and the gag lever post keeps fixed, consequently opens and shuts the door and keeps the state of opening, need not the user and maintains the state of opening and shutting the door, and convenient to use person clears up the cylinder for it is excellent to transport cotton fiber's effect through the cylinder.

Optionally, the engaging member includes an engaging block slidably disposed on the connecting rod, the engaging block is disposed in a circular shape, the limiting rod is provided with a penetrating hole, the penetrating hole is used for allowing the engaging block to penetrate, and the connecting rod is provided with an elastic member for driving the engaging block to slide to be engaged with the penetrating hole.

Through adopting above-mentioned technical scheme, when the door that opens and shuts is opened, the connecting rod slides along gag lever post axis direction, and under the elastic force effect of elastic component, the gomphosis piece cunning moves to and wears to move the hole gomphosis, and then makes the relative position relation between gag lever post and the connecting rod maintain fixedly, consequently keeps the open mode of door that opens and shuts.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in a normal state, the opening and closing door is arranged to close the cleaning opening, so that the transportation of cotton fibers transported by the cylinder is stable, the influence of external factors on the transportation of the cotton fibers by the cylinder is reduced, the cotton blowing effect of the cotton blowing machine is improved, after the cotton fibers are transported by the cylinder for a long time, the locking of the locking device is released, the opening and closing door is opened to clean the cylinder, and through the arrangement of the cleaning opening, a user can clean the cylinder through the cleaning opening, so that the effect of the cotton fibers transported by the cylinder is stable;

2. through the setting of separator, can drive two locking pieces and locking hole separation simultaneously, need not to drive locking piece and locking hole separation respectively, user easy and simple to handle, through the gomphosis of stopper and spacing groove, the user need not the manual separation that maintains locking piece and locking hole, and the user can be convenient will open and close the door and open and close.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the overall structure of the protective cover according to the embodiment of the present application.

Fig. 3 is a schematic structural diagram of a protective cover without an opening/closing door according to an embodiment of the present application.

Fig. 4 is a schematic cross-sectional view of a shield according to an embodiment of the present application.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Fig. 6 is an enlarged view of a portion B in fig. 4.

Fig. 7 is a schematic cross-sectional view of a spacing member according to an embodiment of the present application.

Fig. 8 is a schematic structural view of the engaging member according to the embodiment of the present application.

Description of reference numerals: 1. a cotton blowing machine body; 11. a cylinder; 12. a protective cover; 121. cleaning the opening; 1211. a clamping groove; 122. opening and closing the door; 1221. a clamping block; 1222. a rotating shaft; 123. a receiving groove; 124. a chute; 125. a limiting groove; 2. a locking device; 21. a locking block; 22. a locking hole; 3. a limiting component; 31. a limiting rod; 32. a connecting rod; 321. an accommodating groove; 322. penetrating and moving the hole; 4. a fastener; 41. a fitting block; 42. an elastic member; 5. a drive member; 6. a drive member; 61. an elastic member; 7. a separating member; 71. a separating lever; 711. a limiting block; 72. the rope is separated.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses blow cotton machine that cotton effect is excellent. Referring to fig. 1, a cotton blowing machine having an excellent cotton blowing effect includes a cotton blowing machine body 1.

Referring to fig. 2 and 3, the cotton blowing machine body 1 is rotatably connected with the cylinder 11, the cylinder 11 is arranged along the width direction of the cotton blowing machine body 1, the cotton blowing machine body 1 is connected with the protective cover 12 through a flange, a cleaning opening 121 is formed in the protective cover 12, and a user cleans the cylinder 11 through the cleaning opening 121. An opening and closing door 122 for closing the cleaning opening 121 is rotatably connected to the protective cover 12, and the rotation center line of the opening and closing door 122 is parallel to the width direction of the cotton blowing machine body 1. The cotton blowing machine body 1 winds and sends cotton fibers to be tangent to the air blowing opening through the cylinder 11, and blows the cotton fibers away.

Referring to fig. 4 and 5, two engaging blocks 1221 are integrally formed at one end of the opening and closing door 122 close to the cotton blowing machine body 1, an engaging groove 1211 is formed in the protective cover 12 corresponding to the engaging blocks 1221, the engaging groove 1211 is used for allowing the engaging blocks 1221 to be embedded, and the protective cover 12 is provided with a locking device 2 for fixing the embedded state of the engaging blocks 1221 and the engaging groove 1211.

Under the normality, block 1221 and block 1211 gomphosis, make cotton fiber carry and comb through cylinder 11 in protection casing 12, reduce the user and miss the possibility that touches cylinder 11 and lead to cotton fiber transportation effect variation, improve the cotton blowing effect of blowing cotton machine, transport cotton fiber when cylinder 11 is long-time, can twine more cotton silk on the cylinder 11, need clear up cylinder 11, rotate and open and shut door 122 to block 1221 and block 1211 separation, thereby expose cylinder 11 and clear up cylinder 11, make the effect of transporting cotton fiber through cylinder 11 excellent and stable, through the setting of locking device 2, reduce the possibility that the user misses touch cylinder 11, make the effect of transporting cotton fiber through cylinder 11 excellent and stable.

Referring to fig. 6 and 7, the protective cover 12 is provided with a limiting component 3 for limiting a rotation angle of the opening/closing door 122, the limiting component 3 includes a limiting rod 31, the limiting rod 31 is hinged to the protective cover 12, a connecting rod 32 is slidably provided in the limiting rod 31, the connecting rod 32 slides along an axial direction of the limiting rod 31, and one end of the connecting rod 32, which is far away from the limiting rod 31, is hinged to an outer side wall of the opening/closing door 122. The coupling rod 32 is provided with an engaging piece 4 for restricting a relative positional relationship between the coupling rod 32 and the stopper.

After opening the door 122 that opens and shuts, connecting rod 32 slides along gag lever post 31 axis direction under the drive of door 122 that opens and shuts, through the setting of fastener 4 for relative position relation between connecting rod 32 and the gag lever post 31 is fixed, and then makes door 122 that opens and shuts maintain the state of opening, need not the user and maintains the state of opening of door 122 that opens and shuts, and the user can be convenient clears up the cylinder 11 in the protection casing 12, makes the effect of carrying cotton fiber through cylinder 11 stable.

Referring to fig. 7, the engaging member 4 includes an engaging block 41 slidably disposed on the connecting rod 32, the engaging block 41 is disposed in a circular shape, the connecting rod 32 is provided with a receiving groove 321 for receiving the engaging block 41, the limiting rod 31 is provided with a through hole 322 corresponding to the engaging block 41, the through hole 322 is used for allowing the engaging block 41 to pass through, the connecting rod 32 is provided with an elastic member 42 for driving the engaging block 41 to slide to pass through the through hole 322, the elastic member 42 may be a spring or an elastic sheet, but the elastic member may be an elastic member capable of driving the engaging block 41 to pass through the through hole 322, and in this embodiment, a spring is used. One end of the spring is connected with one end of the tabling block 41 far away from the penetrating hole 322 by gluing, and the other end of the spring is connected with the inner bottom wall of the containing groove 321 by gluing.

When the opening/closing door 122 is opened, the connecting rod 32 slides along the axial direction of the limiting rod 31, so that the engaging block 41 passes through the through hole 322 under the elastic force of the spring, the relative position relationship between the limiting rod 31 and the connecting rod 32 is maintained and fixed, and the opening/closing door 122 is maintained in an opened state. Convenient to use person clears up the cylinder 11 in the protection casing 12, and the user is easy and simple to handle, and the effect of transporting cotton fiber through cylinder 11 is excellent and stable simultaneously.

Referring to fig. 2 and 3, a rotating shaft 1222 penetrates through the opening/closing door 122, and a driving member 5 for driving the opening/closing door 122 to automatically close the cleaning opening 121 is disposed on the rotating shaft 1222. In this embodiment, the driving member 5 is a torsion spring, and the torsion spring is sleeved on the rotating shaft 1222.

After the clearance, drive gomphosis piece 41 slips to and wears to move hole 322 after the separation, under the elasticity effect of torsional spring, door 122 self-closing opens and shuts for automatic closed clearance mouth 121, through protection casing 12 protection cylinder 11 be difficult for by the user mistake touching, make the effect of carrying cotton fiber through cylinder 11 excellent.

Referring to fig. 4 and 5, the locking device 2 includes 2 locking blocks 21 slidably disposed on the protection cover 12, the locking blocks 21 slidably move along the length direction of the protection cover 12, a locking hole 22 is formed in the engaging block 1221, the locking hole 22 is used for the locking block 21 to be embedded, and the protection cover 12 is provided with a driving part 6 for driving the locking blocks 21 to be embedded in the locking hole 22. The locking block 21 is a wedge-shaped block, the inclined surface of the locking block 21 is located at one end of the locking block 21 close to the engaging block 1221, and the locking block 21 and the engaging block 1221 are matched with each other.

When the clamping block 1221 slides towards the clamping groove 1211 and is not embedded, the locking block 21 is matched with the clamping block 1221, the clamping block is quickly away from the locking hole 22 to slide, when the clamping block 1221 is embedded with the clamping groove 1211, the locking block 21 is driven by the driving piece 5 to slide to be embedded with the locking hole 22, so that the embedding of the clamping block 1221 and the clamping groove 1211 is stable, the effect of closing the cleaning opening 121 through the opening and closing door 122 is stable, and when the cylinder 11 transports cotton fibers, poor transportation effect of the cotton fibers caused by mistakenly touching the cylinder 11 by a user is not easy to occur.

Referring to fig. 5, the driving part 6 includes an elastic member 61, the elastic member 61 may be a spring or an elastic sheet, but it is only necessary that the elastic member can drive the locking block 21 to slide to the elastic member engaged with the locking hole 22, in this embodiment, a spring is selected, the protection cover 12 is provided with a receiving groove 123 for receiving the locking block 21, one end of the spring is connected to an inner wall of the receiving groove 123 by adhesive, and the other end of the spring is connected to an end of the locking block 21 away from the locking groove by adhesive. The protective cover 12 is provided with a separating member 7 for driving the locking block 21 to separate from the locking hole 22.

When the clamping block 1221 slides to be embedded with the clamping groove 1211, the locking block 21 is driven to be embedded with the locking hole 22 under the action of the elastic force of the elastic piece 61, so that the embedding of the clamping block 1221 and the clamping groove 1211 is stable, when the cylinder 11 needs to be cleaned by opening the opening and closing door 122, the separating piece 7 drives the locking block 21 to be separated from the locking hole 22, the opening and closing door 122 is conveniently opened, a user can conveniently clean the cylinder 11 through the cleaning opening 121, and the effect of cotton fiber transportation through the cylinder 11 is excellent and stable.

Referring to fig. 8, the separating member 7 includes a separating rod 71 rotatably connected to the protecting cover 12, a separating cord 72 is wound on the separating rod 71, one end of the separating cord 72, which is far from the separating rod 71, is connected to one end of the locking block 21, which is far from the locking hole 22, by gluing, and the separating cord 72 is simultaneously connected to 2 locking blocks 21.

Referring to fig. 5 and 8, the axis of the separating rod 71 is perpendicular to the sliding direction of the locking block 21, the protective cover 12 is provided with a sliding groove 124, the sliding groove 124 is used for being connected with the separating rod 71 in a sliding manner, the two ends of the separating rod 71 are integrally formed with a limiting block 711, the protective cover 12 is provided with a limiting groove 125, one end of the limiting groove 125, which is far away from the clamping block 1221, is open, and the limiting groove 125 is used for the limiting block 711 to be embedded and to penetrate and move.

When the cylinder 11 needs to be cleaned, the sliding separating rod 71 to the limiting block 711 are separated from the limiting groove 125, then the separating rod 71 is rotated to wind the separating rope 72, the locking block 21 is driven to be separated from the locking hole 22, the sliding separating rod 71 to the limiting block 711 are embedded with the limiting groove 125, a user does not need to maintain the separation state of the locking block 21 and the locking hole 22, and meanwhile 2 locking blocks 21 are driven to be synchronously separated from the locking hole 22, so that the operation of the user is simple and convenient.

The cotton blowing machine with excellent cotton blowing effect in the embodiment of the application has the following implementation principle: through the setting of locking device 2, make the door 122 that opens and shuts under the normality seal clean mouthful, protect cylinder 11 through protection casing 12, make the difficult mistake of user touch cylinder 11, make cylinder 11 be difficult for receiving external factor's influence to cotton fiber's transportation, and then improve the cotton blowing effect of blowing cotton machine, after cylinder 11 transports cotton fiber for a long time, the last coiling of cylinder 11 has more cotton silk, when needing to clear up cylinder 11, slide separator bar 71 to stopper 711 and spacing groove 125 separation, rotate separator bar 71 rolling separation rope 72, thereby drive locking block 21 and locking hole 22 separation, rotate the door 122 that opens and shuts, setting through stop part 3, make the rotation angle of door 122 that opens and shuts fixed, consequently, need not the user to maintain the door 122 state of opening that opens and shuts, the convenient cleaning to cylinder 11 of user.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a blow cotton machine that cotton effect is excellent, includes and blows cotton machine body (1), it is connected with cylinder (11) to blow to rotate on cotton machine body (1), blow and be provided with protection casing (12) that are used for protecting cylinder (11) on cotton machine body (1), its characterized in that: be provided with clean mouthful on protection casing (12), it is connected with door (122) that open and shut to rotate on protection casing (12), door (122) that open and shut are used for sealing clean mouthful, the rotation center line that opens and shuts door (122) is on a parallel with the setting of blowing machine body (1) width direction, be provided with a plurality of block (1221) on door (122) that open and shut, it is provided with block groove (1211) to correspond block (1221) on protection casing (12), block groove (1211) are used for supplying block (1221) gomphosis, be provided with locking device (2) that are used for fixed block (1221) and block groove (1211) gomphosis state on protection casing (12).

2. The cotton blowing machine with excellent cotton blowing effect according to claim 1, characterized in that: locking device (2) are including sliding locking piece (21) that sets up on protection casing (12), locking piece (21) slide along frame width direction, it is provided with locking hole (22) to correspond locking piece (21) on block (1221), locking hole (22) are used for supplying locking piece (21) gomphosis, be provided with on protection casing (12) and be used for driving drive assembly (6) of locking piece (21) and locking hole (22) gomphosis.

3. The cotton blowing machine with excellent cotton blowing effect according to claim 2, characterized in that: drive unit (6) include elastic component (61), the one end that locking hole (22) was kept away from with locking piece (21) to the one end of elastic component (61) links to each other, the other end and protection casing (12) of elastic component (61) link to each other, locking piece (21) are the wedge, the inclined plane of locking piece (21) is close to block (1221) and sets up, locking piece (21) cooperate with block (1221), be provided with on protection casing (12) and be used for driving separating piece (7) of locking piece (21) and locking hole (22) separation.

4. The cotton blowing machine with excellent cotton blowing effect according to claim 3, characterized in that: the separator (7) includes separator lever (71) and separation rope (72), separator lever (71) are rotated and are set up in protection casing (12), the axis perpendicular to locking piece (21) of separator lever (71) and the gomphosis direction in locking hole (22), separation rope (72) are around locating on separator lever (71), the one end that separator lever (71) were kept away from in separation rope (72) links to each other with the one end that locking piece (21) were kept away from in locking piece (21).

5. The cotton blowing machine with excellent cotton blowing effect according to claim 4, characterized in that: be provided with spout (124) on protection casing (12), spout (124) are used for sliding with release lever (71) and are connected, be provided with stopper (711) on release lever (71), be provided with spacing groove (125) on protection casing (12), the one end that spacing groove (125) are located the both sides of spout (124) and keep away from cylinder (11) is opened, spacing groove (125) are used for supplying stopper (711) to wear to move.

6. The cotton blowing machine with excellent cotton blowing effect according to claim 4, characterized in that: the automatic cleaning device is characterized in that a rotating shaft (1222) penetrates through the opening and closing door (122), a driving piece (5) used for driving the opening and closing door (122) to automatically close the cleaning opening (121) is arranged on the rotating shaft (1222), and a limiting part (3) used for limiting the rotating angle of the opening and closing door (122) is arranged on the protective cover (12).

7. The cotton blowing machine with excellent cotton blowing effect according to claim 6, characterized in that: spacing part (3) include gag lever post (31), it is provided with connecting rod (32) to slide in gag lever post (31), the connecting rod (32) slides along gag lever post (31) axis direction, the one end that gag lever post (31) were kept away from in connecting rod (32) links to each other with opening and shutting door (122) lateral wall, be provided with fastener (4) that are used for restricting the relative position between gag lever post (31) and connecting rod (32) on connecting rod (32).

8. The cotton blowing machine with excellent cotton blowing effect according to claim 7, characterized in that: the clamping piece (4) comprises an embedding block (41) which is arranged on the connecting rod (32) in a sliding mode, the embedding block (41) is arranged in a circular mode, a penetrating and moving hole (322) is formed in the limiting rod (31), the penetrating and moving hole (322) is used for allowing the embedding block (41) to penetrate and move, and an elastic piece (42) which is used for driving the embedding block (41) to slide to be embedded with the penetrating and moving hole (322) is arranged on the connecting rod (32).

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