CN108728905B

CN108728905B - Seed cotton small foreign fiber cleaning device

Info

Publication number: CN108728905B
Application number: CN201810629077.3A
Authority: CN
Inventors: 梁锋; 李忠奎; 范英杰
Original assignee: Hangzhou Fengyi Textile Co Ltd
Current assignee: Hangzhou Fengyi Textile Co., Ltd
Priority date: 2018-06-19
Filing date: 2018-06-19
Publication date: 2020-02-25
Anticipated expiration: 2038-06-19
Also published as: CN108728905A

Abstract

The invention relates to a seed cotton small foreign fiber cleaning device, which effectively solves the problem that the small foreign fiber cleaning of the existing foreign fiber cleaning machine is not complete; the technical scheme includes that the box body is provided with a first rotatable cylinder which is horizontally placed in the front-back direction, a cam is fixed in the first cylinder, the front half part of the cam is uniformly distributed with a plurality of first ring grooves at intervals along the axis of the first cylinder, the rear half part of the cam is uniformly distributed with a plurality of second ring grooves at intervals along the axis of the second cylinder, the plurality of second ring grooves and the plurality of first ring grooves are symmetrically arranged around the central plane of the front-back direction of the cam, a plurality of deflector rods are uniformly distributed on the circumference of the first cylinder and form a disc-shaped structure, the disc-shaped structure is uniformly distributed with a plurality of deflector rods at intervals along the axis of the first cylinder, the rotation of the first cylinder enables the plurality of deflector rods to move radially and move back and forth under the action of the cam, and a pressure spring for resetting the deflector rods to the middle is arranged on the deflector rods.

Description

Seed cotton small foreign fiber cleaning device

Technical Field

The invention relates to the field of cotton foreign fiber cleaning, in particular to a seed cotton small foreign fiber cleaning device.

Background

The foreign fiber is also called as three-silk, is a non-cotton fiber doped in seed cotton in the cotton planting and harvesting processes, reduces the quality of the cotton, can cause cotton threads in the deep processing process of the cotton, damages to cotton products, especially cotton fabrics directly contacting skin, and has higher requirements on the quality of the cotton, so that how to remove the foreign fiber in the seed cotton is a problem facing and urgently needed to be solved in the cotton industry of China.

The traditional foreign fiber cleaning machine completes cleaning of soil blocks and stones by a natural falling method, realizes cleaning of long foreign fibers by a mechanical winding method, and only small foreign fibers with light and small mass are difficult to clean.

Therefore, the invention provides a seed cotton small foreign fiber cleaning device to solve the problems.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a seed cotton small foreign fiber cleaning device, which effectively solves the problem that the small foreign fiber cleaning of the conventional foreign fiber cleaning machine is not complete.

The technical scheme for solving the problems comprises a box body, wherein a plurality of opening units which are horizontally placed in the front-back direction are arranged in the box body, the opening units are sequentially arranged at intervals from left to right, an arc-shaped guide plate which is arranged at intervals with the opening units is arranged below each opening unit, and the guide plates are sequentially connected and form a whole;

the opening unit comprises a first cylinder which is horizontally placed in the front-back direction and can rotate, a fixing shaft which is coaxial with the first cylinder and can not rotate is arranged in the first cylinder, two ends of the fixing shaft extend out of the first cylinder, a cam is fixed on the part of the fixing shaft arranged in the first cylinder, the lowest end of the cam is a far repose angle, the highest end of the cam is a near repose angle, a right-handed spiral groove is arranged on the left outer edge surface of the front half part of the cam, a left-handed spiral groove is arranged on the right outer edge surface, the left spiral groove and the right spiral groove are connected end to form a closed first ring groove, a plurality of first ring grooves are uniformly distributed at intervals in sequence on the front half part of the cam along the axis of the first ring groove, a plurality of second ring grooves are uniformly distributed at intervals in sequence on the rear half part of the cam along the axis of the cam, the plurality of second ring grooves and the, the plurality of deflector rods form a disc-shaped structure, the disc-shaped structure is sequentially and evenly distributed at intervals along the axis direction of a first cylinder, the disc-shaped structure positioned at the front half part of the cam is in one-to-one correspondence with a plurality of first ring grooves of the front half part, the disc-shaped structure positioned at the rear half part of the cam is in one-to-one correspondence with a plurality of second ring grooves of the rear half part, the outer ends of the deflector rods penetrate through and extend out of the first cylinder, the inner ends of the deflector rods are always arranged in the corresponding ring grooves, the rotation of the first cylinder enables the deflector rods to move along the radial direction of the first cylinder under the extrusion action of the outer edge surface of the cam, the deflector rods positioned at the front half part move to the position far away from the central plane in the front-back direction of the first cylinder under the extrusion action of the wall of the first ring groove, and the deflector rods positioned at the rear half part move to the position, the deflector rod is provided with a pressure spring which can reset the deflector rod to the position of the central plane of the front and back direction of the first cylinder.

The seed cotton opener is novel in concept, ingenious in structure and high in practicability, the seed cotton is moved left and right through the radial movement of the deflector rod, and the deflector rod moves back and forth while moving radially to further open the seed cotton, so that the opening effect is better.

Drawings

FIG. 1 is a front sectional view of the present invention.

Fig. 2 is a front sectional view of the opening unit according to the invention.

Fig. 3 is a right side sectional view of the opening unit of the present invention.

FIG. 4 is a schematic view of the first sprocket and the chain of the present invention.

FIG. 5 is a top sectional view of the present invention.

Fig. 6 is a top view of the cam of the present invention.

Fig. 7 is a left side view of the cam of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As can be seen from fig. 1 to 7, the invention comprises a box body 1, wherein a plurality of opening units horizontally arranged in the front-back direction are arranged in the box body 1, the opening units are sequentially arranged at intervals from left to right, an arc-shaped guide plate 2 arranged at intervals with the opening units is arranged below each opening unit, and the guide plates 2 are sequentially connected to form a whole;

the opening unit comprises a first cylinder 3 which is horizontally placed in the front-back direction and can rotate, a fixing shaft 4 which is coaxially installed with the first cylinder 3 and can not rotate is arranged in the first cylinder 3, two ends of the fixing shaft 4 extend out of the first cylinder 3, a cam 5 is fixed on the part, arranged in the first cylinder 3, of the fixing shaft 4, the lowermost end of the cam 5 is a far repose angle, the uppermost end of the cam 5 is a near repose angle, a right-handed spiral groove is arranged on the left outer edge surface of the front half part of the cam 5, a left-handed spiral groove is arranged on the right outer edge surface, the left spiral groove and the right spiral groove are connected end to form a closed first ring groove 6, the first ring groove 6 is uniformly distributed in the front half part of the cam 5 along the axis of the first ring groove, a plurality of second ring grooves 7 are uniformly distributed in the rear half part of the cam 5 along the axis of the first ring groove, the plurality of, a plurality of deflector rods 8 are uniformly distributed on the first cylinder 3 in the circumference, a plurality of deflector rods 8 form a disc-shaped structure, the disc-shaped structure is uniformly distributed along the axis direction of the first cylinder 3 at intervals in sequence, the disc-shaped structure positioned on the front half part of the cam 5 is in one-to-one correspondence with a plurality of first ring grooves 6 of the front half part, the disc-shaped structure positioned on the rear half part of the cam 5 is in one-to-one correspondence with a plurality of second ring grooves 7 of the rear half part, the outer ends of the deflector rods 8 penetrate through and extend out the first cylinder 3, the inner ends are arranged in the corresponding ring grooves all the time, the rotation of the first cylinder 3 enables the deflector rods 8 to move along the first cylinder 3 in the radial direction under the extrusion action of the outer edge surface of the cam 5, the deflector rods 8 on the front half part move towards the position far away from the central plane of the front and rear part of the first cylinder 3 under the extrusion action of the groove wall 6, and the deflector rods 8 on the rear half part are far away The position of the direction central plane moves, and a pressure spring 9 which can reset the direction central plane to the position of the front and back direction central plane of the first cylinder 3 is arranged on the deflector rod 8.

In order to realize that the deflector rod 8 is more stable when moving left and right, a second cylinder 10 which is coaxially arranged with the first cylinder 3 and can rotate along with the first cylinder is arranged in the first cylinder, the deflector rods 8 penetrate through the second cylinder 10 and can move back and forth on the second cylinder 10, an arc-shaped supporting rod 11 is fixed at the part of the deflector rod 8, which is arranged outside the second cylinder 10, telescopic pipes 12 are respectively arranged at the left side and the right side of the supporting rod 11, one end of each telescopic pipe 12 is fixedly connected with the supporting rod 11, the other end of each telescopic pipe is connected to the outer circular surface of the second cylinder 10 in a sliding manner, and the sliding connection between the second cylinder 10 and the deflector rod 8 is realized through the arrangement of the telescopic pipes 12, so that.

In order to realize that the inner end of the deflector rod 8 is always arranged in the annular groove on the cam 5, each deflector rod 8 is sleeved with a tension spring 13, one end of each tension spring 13 is fixedly connected to the supporting rod 11, the other end of each tension spring 13 is connected to the outer circular surface of the second cylinder 10 in a sliding mode, and the inner end of the deflector rod 8 is always in contact with the outer circular surface of the cam 5 through the arrangement of the tension springs 13.

In order to realize the installation of the pressure spring 9, the outer side of the telescopic pipes 12 on the left side and the right side of each shifting lever 8 is provided with a connecting rod 14 fixedly connected with the inextensible parts of the two telescopic pipes 12, the outer side of the connecting rod 14 is provided with a fixed rod 15 which is arranged at an interval with the connecting rod 14 and fixed on the outer circular surface of the second cylinder 10, one end of the pressure spring 9 is fixedly connected with the connecting rod 14, the other end of the pressure spring 9 is connected with the fixed rod 15, the installation of the pressure spring 9 is realized through the arrangement of the fixed rod 15 and the connecting rod 14, and the shifting lever 8.

In order to realize the rotation of the first cylinder 3, both ends are the confined terminal surface around the first cylinder 3, be fixed with one respectively on the rear end face of every first cylinder 3 rather than coaxial installation sleeve 16, the cover is equipped with first sprocket 17 on the sleeve 16, the right side is equipped with step motor 18 in the box 1, the cover is equipped with second sprocket 19 on step motor 18, a plurality of first sprockets 17 are connected with second sprocket 19 through chain 20, the rotation through step motor 18 drives second sprocket 19 and drives first sprocket 17 through chain 20 and rotate to realize the rotation of first cylinder 3.

In order to realize that the shifting lever 8 can move back and forth, a plurality of through grooves 21 which correspond to the shifting lever 8 one by one are arranged on the cylinder walls of the first cylinder 3 and the second cylinder 10, the shifting lever 8 can move left and right in the through grooves 21, and the shifting lever 8 cannot be obstructed in the process of moving back and forth through the through grooves 21.

In order to better eliminate the foreign fibers, a strip-shaped gap-shaped vent hole 22 is formed between every two adjacent guide plates 2, the lower end of the vent hole 22 is connected with a blower 23, a funnel with a small upper part and a large lower part is arranged above the opening unit, the upper end of the funnel is connected with a negative pressure fan 24, and the blower 23 can blow up the foreign fibers adhered to the cotton and collect the foreign fibers under the action of the suction force of the negative pressure fan 24 through the mutual matching of the blower 23 and the negative pressure fan 24.

In order to realize better feeding and collection, the left side of the box body 1 is provided with a feeding hole, the right side of the box body 1 is provided with a discharging hole, and the width of the feeding is smaller than that of the discharging hole.

The specific working process of the invention is as follows: when the device is used, firstly, the power supply of the blower 23 and the power supply of the negative pressure fan 24 are turned on to realize that upward wind power is generated in the box body 1 of the device, the wind power can penetrate through seed cotton but can not blow the seed cotton, the stepping motors 18 are respectively turned on after the seed cotton is blown, and at the moment, the seed cotton which is removed with heavy objects and long and foreign fibers is filled in from the feeding hole.

Because the fixed shaft 4 is fixed on the inner side wall of the box body 1, the fixed shaft 4 cannot rotate, the cam 5 fixed on the fixed shaft 4 cannot rotate, the second chain wheel 19 rotates under the rotation of the stepping motor 18, the rotation of the second chain wheel 19 drives the first chain wheel 17 to rotate through the chain 20, in the process, the rotating speed of each opening unit is the same due to the fact that the diameters of the first chain wheel 17 are the same, the rotation of the first chain wheel 17 drives the sleeve 16 to rotate, the rotation of the sleeve 16 drives the first cylinder 3 and the second cylinder 10 to simultaneously rotate, and in the process, the deflector rod 8 enables the deflector rod 8 to rotate along with the first cylinder 3 under the action of the first cylinder 3 and the second cylinder 10.

The cam 5 does not rotate while the shift lever 8 rotates, so that the inner end of the shift lever 8 is continuously extruded on the cam 5 under the action of the tension spring 13 and the inner end of the shift lever 8 is always arranged in the corresponding annular groove, and the motion law of the front shift lever 8 and the rear shift lever 8 is the same, so the implementation process is described by a group of shift levers 8 in the front half part of the cam 5.

When the inner end of the shift lever 8 is arranged in the first annular groove 6 of the cam 5 near the angle of repose, the shift lever 8 moves downwards under the action of the tension spring 13 and can not be separated from the first annular groove 6, the outer end of the shift lever 8 is needle point-shaped, and the extending length of the upper end of the shift lever 8 at the uppermost position can not prevent the fixed seed cotton from falling off, the pressure spring 9 at the moment is in a relaxed state, so that the pen holder is arranged in the direction close to the central position of the first cylinder 3, and the extension tube 12 is at the shortest position, the part of the extension tube 12 which can not extend and retract is referred to in the text, the extension tube 12 is formed by sleeving two inseparable sleeves, therefore, the sleeve which is larger in diameter and is connected to the second cylinder 10 in a sliding manner is the part of the extension tube 12 which can not extend and retract, along with the rotation of the stepping motor 18, the first cylinder 3 drives the shift lever, at the moment, under the action of the cam 5, the shift lever 8 has the tendency and the capability of moving outwards, in the process, the shift lever 8 moves outwards along the radial direction of the sleeve 16, the tension spring 13 is stretched and has the rebound tendency and the elastic potential energy, in the process, the arc-shaped support rod 11 moves outwards along with the shift lever 8, the outward movement of the support rod 11 drives the extension tube 12 to stretch outwards, the outer end of the shift lever 8 extends out of the first cylinder 3, the more the part of the outer end of the shift lever 8 extends out of the sleeve 16 along with the outward movement of the shift lever 8, when the shift lever 8 moves to the original angle of repose of the cam 5, the length of the shift lever 8 extending out of the first cylinder 3 reaches the maximum, when a plurality of groups of shift levers 8 rotate around the cam 5, under the action of the first annular groove 6, when the cam 5 pushes the stroke angle, the pen holder is arranged in the right-handed spiral groove, realize a plurality of driving lever 8 of first half under this extrusion to keeping away from the direction motion of first drum 3 fore-and-aft direction central plane, when driving lever 8 rotated to contact cam 5 and pushed away the journey angle, the outer end of driving lever 8 stretches out the length and reaches the length that contacts and stir below seed cotton, form this device and not only carry out stirring from left and right to the seed cotton when pivoted, and stir to both sides around when stirring, realize that the seed cotton paves more evenly, when reaching cam 5 and move the angle of repose far away, reach the cam 5 under this moment, driving lever 8 at this moment gets into in the levogyration helicla flute on right side and return to the nearly angle of repose of cam 5 along the levogyration helicla flute under the effect of pressure spring 9 that can make it reset to first drum 3 fore-and-aft direction central plane.

When the seed cotton in-process that moves on deflector 2, can pass through ventilation hole 22, make wind pass through on the seed cotton under hair-dryer 23 and negative pressure air fan 24's effect to blow the little different fibre of adhesion on the seed cotton and tighten up under negative pressure air fan 24's effect, this device carries out a lot of tiling through the effect of a plurality of units of opening down and makes the seed cotton lay more all more to be favorable to wind to pass through from the seed cotton more.

The ring groove corresponding to the shift lever 8 refers to that the shift lever 8 in the front half of the cam 5 is placed in the corresponding first ring groove 6, the shift lever 8 in the rear half of the cam 5 is placed in the corresponding second ring groove 7, and the spiral groove on the left side and the spiral groove on the right side are smoothly connected to form the ring groove.

This device compares traditional ash removal device and has following benefit:

1. this device realizes through the angle of stroke that pushes away of a cam 5 and return angle that driving lever 8 realizes stretching out and retrieving in the pivoted to realize under the effect of first annular 6 and second annular 7 that the cell wall extrusion of annular drives driving lever 8 and deviates to the first drum 3 fore-and-aft direction central plane, and automatic return under the effect of pressure spring 9 after accomplishing the action of paving, realize making more even that paves to the front and back paving of seed cotton.

2. This device drives the rotation of multiunit driving lever 8 through the rotation of first drum 3, realize that the inner of driving lever 8 arranges the annular on cam 5 all the time in, when the stroke angle that pushes away of cam 5, the outer disc of cam 5 can extrude the outer end of driving lever 8 and stretch out and control the conveying to the unginned cotton, and realize paving of fore-and-aft direction at the data send process, the outer end of driving lever 8 withdraws to the inboard under the effect of extension spring 13 when driving lever 8 moves on cam 5 return angle, and make its driving lever 8's outer end retract to in first drum 3, can effectually will insert the unginned cotton of scraping on driving lever 8 this moment and peel off, do not influence the conveying of direction about the fortune.

3. This device is transported about opening the unit through the multiunit to the tiling through fore-and-aft direction many times makes the thinner of seed cotton tiling, is favorable to wind to blow through the realization from ventilation hole 22 in more blowing off the different fibre on the seed cotton.

Claims

1. A seed cotton small foreign fiber cleaning device comprises a box body (1) and is characterized in that a plurality of opening units which are horizontally arranged in the front-back direction are arranged in the box body (1), the opening units are sequentially arranged at intervals from left to right, an arc-shaped guide plate (2) which is arranged at intervals with the opening units is arranged below each opening unit, and the guide plates (2) are sequentially connected and form a whole;

the opening unit comprises a first cylinder (3) which is placed horizontally and can rotate in the front-back direction, a fixing shaft (4) which is coaxially installed and can not rotate is arranged in the first cylinder (3), two ends of the fixing shaft (4) extend out of the first cylinder (3), a cam (5) is fixed on the part, arranged in the first cylinder (3), of the fixing shaft (4), the lowest end of the cam (5) is a far repose angle, the highest end of the cam is a near repose angle, a right-handed spiral groove is arranged on the left outer edge surface of the front half part of the cam (5), a left-handed spiral groove is arranged on the right outer edge surface, the left-handed spiral groove and the right-handed spiral groove are connected end to form a first closed annular groove (6), the first annular groove (6) is uniformly distributed on the front half part of the cam (5) at intervals in sequence along the axis, the rear half part of the cam (5) is uniformly distributed with a plurality of second, the second ring grooves (7) and the first ring grooves (6) are symmetrically arranged on the central plane in the front-back direction of the cam (5), a plurality of deflector rods (8) are uniformly distributed on the circumference of the first cylinder (3), the deflector rods (8) form a disc-shaped structure, the disc-shaped structure is uniformly distributed in a plurality of intervals in sequence along the axis direction of the first cylinder (3), the disc-shaped structure positioned on the front half part of the cam (5) is in one-to-one correspondence with the first ring grooves (6) on the front half part, the disc-shaped structure positioned on the rear half part of the cam (5) is in one-to-one correspondence with the second ring grooves (7) on the rear half part, the outer ends of the deflector rods (8) penetrate through and extend out of the first cylinder (3), the inner ends are always arranged in the corresponding ring grooves, the deflector rods (8) radially move along the first cylinder (3) under the extrusion action of the outer edge surface of the cam (5) due to the rotation, when the plurality of shift levers (8) move in the radial direction, the shift levers (8) positioned in the front half part move to the positions far away from the front and rear central planes of the first cylinder (3) under the extrusion action of the groove wall of the first annular groove (6), the shift levers (8) positioned in the rear half part move to the positions far away from the front and rear central planes of the first cylinder (3) under the extrusion action of the groove wall of the second annular groove (7), and the shift levers (8) are provided with pressure springs (9) capable of resetting the shift levers to the positions of the front and rear central planes of the first cylinder (3).

2. The seed cotton small foreign fiber cleaning device is characterized in that a second cylinder (10) which is coaxially arranged with the first cylinder (3) and can synchronously rotate along with the first cylinder is arranged in the first cylinder, a plurality of driving levers (8) penetrate through the second cylinder (10) and can move back and forth on the second cylinder (10), an arc-shaped supporting rod (11) is fixed on the part, located on the outer side of the second cylinder (10), of the driving levers (8), telescopic pipes (12) are respectively arranged on the left side and the right side of the supporting rod (11), one end of each telescopic pipe (12) is fixedly connected with the supporting rod (11), and the other end of each telescopic pipe is slidably connected to the outer circular surface of the second cylinder (10).

3. The seed cotton small foreign fiber cleaning device according to claim 2, wherein each deflector rod (8) is sleeved with a tension spring (13), one end of each tension spring (13) is fixedly connected to the support rod (11), and the other end of each tension spring (13) is slidably connected to the outer circular surface of the second cylinder (10).

4. The seed cotton small foreign fiber cleaning device according to claim 1, characterized in that the outside of the telescopic pipes (12) on the left and right sides of each deflector rod (8) is provided with a connecting rod (14) fixedly connected with the inextensible parts of the two telescopic pipes (12), the outside of the connecting rod (14) is provided with a fixing rod (15) which is arranged at an interval with the connecting rod and fixed on the outer circumferential surface of the second cylinder (10), one end of the pressure spring (9) is fixedly connected with the connecting rod (14), and the other end is connected with the fixing rod (15).

5. The seed cotton small foreign fiber cleaning device is characterized in that the front end and the rear end of each first cylinder (3) are closed end faces, a sleeve (16) coaxially mounted with each first cylinder (3) is fixed on the rear end face of each first cylinder (3), a first chain wheel (17) is sleeved on each sleeve (16), a stepping motor (18) is arranged on the inner right side of the box body (1), a second chain wheel (19) is sleeved on each stepping motor (18), and the first chain wheels (17) are connected with the second chain wheels (19) through chains (20).

6. The seed cotton small foreign fiber cleaning device is characterized in that a plurality of through grooves (21) which correspond to the deflector rods (8) one by one are formed in the wall of the first cylinder (3) and the wall of the second cylinder (10), and the deflector rods (8) can move left and right in the through grooves (21).

7. The seed cotton small foreign fiber cleaning device is characterized in that an elongated slit-shaped vent hole (22) is formed between every two adjacent guide plates (2), a blower (23) is connected to the lower end of the vent hole (22), a hopper with a small upper part and a large lower part is arranged above the opening unit, and a negative pressure fan (24) is connected to the upper end of the hopper.

8. The seed cotton small foreign fiber cleaning device is characterized in that a feeding hole is formed in the left side of the box body (1), a discharging hole is formed in the right side of the box body (1), and the width of the feeding hole is smaller than that of the discharging hole.