CN217324449U

CN217324449U - Spun yarn drafting device for cotton yarn production

Info

Publication number: CN217324449U
Application number: CN202221117082.4U
Authority: CN
Inventors: 夏献军; 余唐初; 周代安
Original assignee: Zaoyang Wantong Cotton Spinning Industry Co ltd
Current assignee: Zaoyang Wantong Cotton Spinning Industry Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-08-30
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a spun yarn drafting device is used in cotton yarn production, which comprises a frame, one side inside rotation of frame is connected with first draft rod. The utility model discloses, when carrying out the draft to the spinning, bypass second draft rod with the spinning, direction rod and first draft rod, it rotates to drive first draft rod through the motor, first draft rod drives first gear revolve, first gear passes through the cingulum and drives second gear revolve, the second gear passes through speed change mechanism and drives second draft rod revolve, and second draft rod external diameter is less than first draft rod external diameter, make under the normal condition, second draft rod linear velocity is less than first draft rod linear velocity, make spinning and second draft rod produce relative slip, make the spinning be in the tensioning state, carry out the draft to the spinning, and can adjust the linear velocity difference between second draft rod and the first draft rod through speed change mechanism, can adjust the drafting force according to the spinning kind, avoid the drafting force too big spinning that leads to of drafting to easily splits.

Description

Spun yarn drafting device for cotton yarn production

Technical Field

The utility model relates to a cotton yarn production technical field specifically is a spun yarn drafting arrangement is used in cotton yarn production.

Background

The cotton yarn is a yarn formed by processing cotton fiber through a spinning process, is called as a cotton thread after being subjected to stranding processing, can be divided into a carded yarn and a combed yarn according to different spinning processes, needs to use a drafting device to draft the cotton yarn when the cotton yarn is produced, drafts the spun yarn through drafting sticks with different linear velocities, enables the spun yarn to slide relative to the drafting stick with the small linear velocity, enables the spun yarn to be subjected to tension, and drafts the spun yarn.

Although the conventional spun yarn drafting devices for cotton yarn production are very large in type and number, the conventional spun yarn drafting devices for cotton yarn production still have certain problems, and cause certain inconvenience in use of the spun yarn drafting devices for cotton yarn production.

When the existing spun yarn drafting device for cotton yarn production is used, the drafting force which can be borne by cotton yarns is different due to different qualities and types of the cotton yarns, but the existing drafting device cannot adjust the drafting force, so that the spun yarns which can bear smaller drafting force are easy to break, and the drafting force of the cotton yarns is inconvenient to adjust according to the qualities and types of the cotton yarns.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spun yarn drafting device is used in cotton yarn production has solved current spun yarn drafting device is used in cotton yarn production when using, because the quality and the kind of cotton yarn are different, and the tractive effort that the cotton yarn can bear is different, nevertheless the unable tractive effort of adjusting of current drafting device for the less spinning of tractive effort that can bear breaks easily, and inconvenient quality and the kind according to the cotton yarn carries out the problem of adjusting to the tractive effort of cotton yarn.

In order to achieve the above object, the utility model provides a following technical scheme: a spun yarn drafting device for cotton yarn production comprises a frame, a first drafting roller is rotatably connected inside one side of the frame, a second drafting roller is rotatably connected inside the other side of the frame, wherein,

the inside of the frame, which is close to the lower parts of the first drafting stick and the second drafting stick, is rotatably connected with a guide stick, the inner sides of the frame, which are close to the tops of the first drafting stick and the second drafting stick, are rotatably connected with a compression roller, the outer side of the frame, which is close to the end part of the first drafting stick, is provided with a motor, the shaft end of the motor is fixedly connected with the first drafting stick, and the outer side of the frame, which is close to the end part of the second drafting stick, is provided with a protective cover;

first gear is installed to motor one end is kept away from to first draft rod, one side outside rotation of protection casing is connected with the second gear, the outside cover of first gear and second gear has the cingulum, be provided with speed change mechanism in the protection casing, the second gear passes through speed change mechanism and drives the rotation of second draft rod.

Preferably, the outer sides of the first drafting roller and the second drafting roller are made of rubber materials, and the outer diameter of the first drafting roller is larger than that of the second drafting roller.

Preferably, the toothed belt is meshed with the first gear and the second gear.

Preferably, speed change mechanism includes the third gear, the end fixing that the second draft rod is close to in the protection casing has the third gear, the third gear is kept away from second draft rod one end and is fixed with the fourth gear, the second gear rotates through pivot and protection casing to be connected, the one end that the second gear was kept away from in the pivot has been seted up the transmission groove, be provided with the transfer line in the transmission groove, the transfer line is kept away from pivot one end and is fixed with the fifth gear, the transfer line one side is kept away from to the fifth gear is fixed with the connecting rod, the fifth gear one end is kept away from to the connecting rod is fixed with the sixth gear, the driving lever groove has been seted up to protection casing one side, the protection casing is close to driving lever groove both ends intercommunication and has the draw-in groove, the outside of connecting rod is rotated and is connected with the driving lever, the one end that the connecting rod was kept away from to the driving lever runs through the inside in driving lever groove and extends to the outside.

Preferably, the pitch of the third gear is equal to that of the sixth gear, and the pitch of the fourth gear is equal to that of the fifth gear.

Advantageous effects

Compared with the prior art, the utility model, the advantage that has does:

1. the utility model discloses, when carrying out the draft to the spinning, bypass second draft rod with the spinning, guide rod and first draft rod, it rotates to drive first draft rod through the motor, first draft rod drives first gear revolve, first gear passes through the cingulum and drives second gear revolve, the second gear passes through speed change mechanism and drives second draft rod and rotate, and second draft rod external diameter is less than first draft rod external diameter, make under the normal condition, second draft rod linear velocity is less than first draft rod linear velocity, make spinning and second draft rod produce relative slip, make the spinning be in the tensioning state, carry out the draft to the spinning, and can adjust the linear velocity difference between second draft rod and the first draft rod through speed change mechanism, can adjust the drafting force according to the spinning kind, avoid the too big spinning that leads to of drafting force to easily split.

2. When the fourth gear is meshed with the fifth gear, the second gear drives the fifth gear to rotate, the fifth gear drives the fourth gear to rotate through meshing, so that the fourth gear drives the second drawing rod to rotate, when the rotating speed of the second drawing rod needs to be adjusted, the connecting rod is driven to move through the deflector rod, the connecting rod drives the fourth gear to be staggered with the fifth gear, simultaneously, the third gear is meshed with the sixth gear, the outer diameter of the sixth gear is smaller than that of the fifth gear, and the outer diameter of the third gear is larger than that of the fourth gear, so that the rotating speed of the second drafting roller is reduced, and the drafting force applied to the spun yarn is enhanced, when the fourth gear is meshed with the fifth gear, the drafting force of the spun yarn is small, and when the third gear is meshed with the sixth gear, the drafting force of the spun yarn is large, so that the drafting force of the spun yarn can be adjusted through the arranged speed change mechanism.

3. The utility model discloses, the driving lever external diameter is identical with the draw-in groove width, drives the connecting rod when the driving lever and removes the completion back, goes into the draw-in groove with the driving lever card inside, avoids the automatic connecting rod that drives of driving lever to remove, adjusts speed change mechanism.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of a second gear three-dimensional structure of the present invention.

In the figure: 1. a frame; 2. a first drafting roller; 3. a second drafting roller; 4. a guide stick; 5. a pressure roller; 6. a motor; 7. a protective cover; 8. a first gear; 9. a second gear; 10. a toothed belt; 11. a third gear; 12. a fourth gear; 13. a rotating shaft; 14. a transmission groove; 15. a transmission rod; 16. a fifth gear; 17. a connecting rod; 18. a sixth gear; 19. a toggle rod groove; 20. a card slot; 21. a deflector rod.

Detailed Description

The invention will be further described with reference to specific embodiments shown in the drawings.

Referring to fig. 1 to 4, the present invention provides a technical solution: a spun yarn drafting device for cotton yarn production comprises a frame 1, a first drafting roller 2 is rotatably connected in one side of the frame 1, a second drafting roller 3 is rotatably connected in the other side of the frame 1, wherein,

the inside of the frame 1, which is close to the lower parts of the first drawing stick 2 and the second drawing stick 3, is rotatably connected with a guide stick 4, the inner side of the frame 1, which is close to the top parts of the first drawing stick 2 and the second drawing stick 3, is rotatably connected with a compression roller 5, the outer side of the frame 1, which is close to the end part of the first drawing stick 2, is provided with a motor 6, the shaft end of the motor 6 is fixedly connected with the first drawing stick 2, and the outer side of the frame 1, which is close to the end part of the second drawing stick 3, is provided with a protective cover 7;

the end, far away from the motor 6, of the first drafting stick 2 is provided with a first gear 8, the outside of one side of the protective cover 7 is rotatably connected with a second gear 9, the outer side of the first gear 8 and the outer side of the second gear 9 are sleeved with a toothed belt 10, a speed change mechanism is arranged in the protective cover 7, and the second gear 9 drives the second drafting stick 3 to rotate through the speed change mechanism.

Referring to fig. 1 and fig. 2, the outer sides of the first drawing roller 2 and the second drawing roller 3 are made of rubber material, the outer diameter of the first drawing roller 2 is larger than that of the second drawing roller 3, and the toothed belt 10 is engaged with the first gear 8 and the second gear 9;

when the spun yarn is drafted, the spun yarn is wound around the second draft roller 3, the guide roller 4 and the first draft roller 2, the first drawing roller 2 is driven to rotate by the motor 6, the first drawing roller 2 drives the first gear 8 to rotate, the first gear 8 drives the second gear 9 to rotate by the toothed belt 10, the second gear 9 drives the second drawing roller 3 to rotate by the speed change mechanism, and the outer diameter of the second drawing roller 3 is smaller than the outer diameter of the first drawing roller 2, so that the linear speed of the second drawing roller 3 is smaller than the linear speed of the first drawing roller 2 under the normal state, the spun yarn and the second drawing roller 3 slide relatively, the spun yarn is in a tension state, carry out the draft to the spinning to can adjust the linear velocity difference between second draft rod 3 and the first draft rod 2 through speed change mechanism, can adjust drafting force according to the spinning kind, avoid drafting force too big to lead to the spinning easy fracture.

Referring to fig. 1 to 4, the speed change mechanism includes a third gear 11, a third gear 11 is fixed at an end of the second drawing roller 3 close to the inside of the hood 7, a fourth gear 12 is fixed at an end of the third gear 11 far from the second drawing roller 3, the second gear 9 is rotatably connected to the hood 7 through a rotating shaft 13, a transmission groove 14 is formed at an end of the rotating shaft 13 far from the second gear 9, a transmission rod 15 is disposed in the transmission groove 14, a fifth gear 16 is fixed at an end of the transmission rod 15 far from the rotating shaft 13, a connecting rod 17 is fixed at a side of the fifth gear 16 far from the transmission rod 15, a sixth gear 18 is fixed at an end of the connecting rod 17 far from the fifth gear 16, a dial rod groove 19 is formed at one side of the hood 7, two ends of the hood 7 close to the dial rod groove 19 are communicated with a clamping groove 20, a dial rod 21 is rotatably connected to an outer side of the connecting rod 17, an end of the dial rod 21 far from the connecting rod 17 penetrates through the inside of the dial rod groove 19 and extends to the outer side, the pitch of the third gear 11 is equal to that of the sixth gear 18, the pitch of the fourth gear 12 is equal to that of the fifth gear 16, when the fourth gear 12 is meshed with the fifth gear 16, the second gear 9 drives the fifth gear 16 to rotate, the fifth gear 16 drives the fourth gear 12 to rotate through meshing, so that the fourth gear 12 drives the second drawing roller 3 to rotate, when the rotating speed of the second drawing roller 3 needs to be adjusted, the deflector rod 21 drives the connecting rod 17 to move, the connecting rod 17 drives the fourth gear 12 to stagger with the fifth gear 16, and simultaneously the third gear 11 is meshed with the sixth gear 18, the outer diameter of the sixth gear 18 is smaller than that of the fifth gear 16, and the outer diameter of the third gear 11 is larger than that of the fourth gear 12, so that the rotating speed of the second drawing roller 3 is reduced, the drafting force of the spun yarn is enhanced, and the drafting force of the spun yarn is smaller when the fourth gear 12 is meshed with the fifth gear 16, when the third gear 11 is meshed with the sixth gear 18, the drafting force of the spun yarn is large, the drafting force of the spun yarn is adjusted through the arranged speed change mechanism, the outer diameter of the deflector rod 21 is matched with the width of the clamping groove 20, and after the deflector rod 21 drives the connecting rod 17 to move, the deflector rod 21 is clamped into the clamping groove 20, so that the deflector rod 21 is prevented from automatically driving the connecting rod 17 to move, and the speed change mechanism is adjusted.

The working principle is as follows: when the spun yarn drafting device for cotton yarn production is used for drafting a spun yarn, the spun yarn is wound around a second drafting roller 3, a guide roller 4 and a first drafting roller 2, the yarn is limited on the surfaces of the first drafting roller 2 and the second drafting roller 3 through a pressing roller 5, the pressing roller 5 is driven to rotate along with the first drafting roller 2 and the second drafting roller 3, the linear speed of the pressing roller 5 is respectively the same as the linear speed of the corresponding first drafting roller 2 and the second drafting roller 3, the first drafting roller 2 is driven to rotate through a motor 6, the first drafting roller 2 drives a first gear 8 to rotate, the first gear 8 drives a second gear 9 to rotate through a toothed belt 10, the second gear 9 drives the second drafting roller 3 to rotate through a speed change mechanism, the outer diameter of the second drafting roller 3 is smaller than the outer diameter of the first drafting roller 2, so that the linear speed of the second drafting roller 3 is smaller than the linear speed of the first drafting roller 2 in a normal state, the spun yarn and the second drawing rod 3 slide relatively, the spun yarn is in a tensioning state, the spun yarn is drawn, the linear velocity difference between the second drawing rod 3 and the first drawing rod 2 can be adjusted through the speed change mechanism, the drawing force can be adjusted according to the type of the spun yarn, and the situation that the spun yarn is easy to break due to overlarge drawing force is avoided;

when the fourth gear 12 is engaged with the fifth gear 16, the second gear 9 drives the fifth gear 16 to rotate, the fifth gear 16 drives the fourth gear 12 to rotate through engagement, so that the fourth gear 12 drives the second drawing roller 3 to rotate, when the rotating speed of the second drawing roller 3 needs to be adjusted, the deflector rod 21 drives the connecting rod 17 to move, the connecting rod 17 drives the fourth gear 12 to stagger with the fifth gear 16, simultaneously the third gear 11 is engaged with the sixth gear 18, the outer diameter of the sixth gear 18 is smaller than that of the fifth gear 16, the outer diameter of the third gear 11 is larger than that of the fourth gear 12, so that the rotating speed of the second drawing roller 3 is reduced, simultaneously, the drafting force borne by the spun yarn is enhanced, when the fourth gear 12 is engaged with the fifth gear 16, the drafting force borne by the spun yarn is smaller, when the third gear 11 is engaged with the sixth gear 18, the drafting force borne by the spun yarn is larger, and through the arranged speed change mechanism, so as to adjust the drafting force of the spun yarn, the outer diameter of the deflector rod 21 is matched with the width of the clamping groove 20, and after the deflector rod 21 drives the connecting rod 17 to move, the deflector rod 21 is clamped into the clamping groove 20, so that the deflector rod 21 is prevented from automatically driving the connecting rod 17 to move, and the speed change mechanism is adjusted.

The above is only a preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility of the invention and the utility of the patent.

Claims

1. The utility model provides a spun yarn drafting arrangement for cotton yarn production, includes frame (1), its characterized in that: a first drawing stick (2) is rotatably connected in one side of the frame (1), a second drawing stick (3) is rotatably connected in the other side of the frame (1),

the inside of the frame (1) close to the lower parts of the first drawing stick (2) and the second drawing stick (3) is rotatably connected with a guide stick (4), the inner side of the frame (1) close to the tops of the first drawing stick (2) and the second drawing stick (3) is rotatably connected with a compression roller (5), the outer side of the frame (1) close to the end part of the first drawing stick (2) is provided with a motor (6), the shaft end of the motor (6) is fixedly connected with the first drawing stick (2), and the outer side of the frame (1) close to the end part of the second drawing stick (3) is provided with a protective cover (7);

first gear (8) are installed to motor (6) one end is kept away from in first draft rod (2), one side outside rotation of protection casing (7) is connected with second gear (9), the outside cover of first gear (8) and second gear (9) has cingulum (10), be provided with speed change mechanism in protection casing (7), second gear (9) drive second draft rod (3) through speed change mechanism and rotate.

2. The spun yarn drafting device for cotton yarn production according to claim 1, wherein: the outer sides of the first drawing roller (2) and the second drawing roller (3) are made of rubber materials, and the outer diameter of the first drawing roller (2) is larger than that of the second drawing roller (3).

3. The spun yarn drafting device for cotton yarn production according to claim 1, wherein: the toothed belt (10) is meshed with the first gear (8) and the second gear (9).

4. The spun yarn drafting device for cotton yarn production according to claim 1, wherein: the speed change mechanism comprises a third gear (11), a third gear (11) is fixed at the end part of the second drawing stick (3) close to the protective cover (7), a fourth gear (12) is fixed at one end of the third gear (11) far away from the second drawing stick (3), the second gear (9) is rotatably connected with the protective cover (7) through a rotating shaft (13), a transmission groove (14) is formed in one end of the rotating shaft (13) far away from the second gear (9), a transmission rod (15) is arranged in the transmission groove (14), a fifth gear (16) is fixed at one end of the transmission rod (15) far away from the rotating shaft (13), a connecting rod (17) is fixed at one side of the fifth gear (16) far away from the transmission rod (15), a sixth gear (18) is fixed at one end of the connecting rod (17) far away from the fifth gear (16), a rod shifting groove (19) is formed at one side of the protective cover (7), the protective cover (7) is close to the two ends of the poking rod groove (19) and is communicated with clamping grooves (20), the outer side of the connecting rod (17) is rotatably connected with a poking rod (21), and one end, far away from the connecting rod (17), of the poking rod (21) penetrates through the inner part of the poking rod groove (19) and extends to the outer side.

5. The spun yarn drafting device for cotton yarn production according to claim 4, characterized in that: the third gear (11) and the sixth gear (18) have the same pitch, and the fourth gear (12) and the fifth gear (16) have the same pitch.