CN216192974U

CN216192974U - Sliver drafting device of drawing frame

Info

Publication number: CN216192974U
Application number: CN202122680616.6U
Authority: CN
Inventors: 邱法强; 梁亦佐
Original assignee: Foshan Kangya Textile Co ltd
Current assignee: Foshan Kangya Textile Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-05
Anticipated expiration: 2031-11-03

Abstract

The utility model belongs to the technical field of the spinning machine technique and specifically relates to a silver drafting arrangement of drawing frame is related to, including fuselage and two rotation install the draft roller on the fuselage, two draft rollers syntropy rotate, and have the rotational speed difference between two draft rollers, install the pressure bar between two draft rollers, the pressure bar offsets tightly with the silver on two draft rollers simultaneously. The distance between two contact points of the cotton sliver and the two drafting rollers can be reduced, short fibers in the cotton sliver are not easy to fall off through the gap between the two drafting rollers, and the yield of cotton yarns in the subsequent processing procedure can be improved.

Description

Sliver drafting device of drawing frame

Technical Field

The application relates to the technical field of textile machinery, in particular to a cotton sliver drafting device of a drawing frame.

Background

The drawing frame consists of a feeding part, a drafting part, a sliver forming part, some automatic devices and the like, and has the functions of improving the internal structure of the sliver, improving the uniformity of the long section, reducing the weight irregularity, straightening and paralleling fibers in the sliver, reducing hooks and enabling the fineness to meet the specification. The raw materials with different types or different qualities are uniformly mixed to reach the specified mixing ratio.

At present, the drafting part usually comprises two drafting rollers which are rotatably arranged on the machine body, the two drafting rollers rotate in the same direction, and a rotating speed difference exists between the two drafting rollers. When a plurality of strands of cotton slivers are dragged and conveyed through the two drafting rollers, the speed difference exists between the two drafting rollers, so that the two drafting rollers can stretch the cotton slivers while dragging, and the cotton slivers can be drafted.

However, when the sliver is drafted between the two drafting rollers by the drafting rollers, because the distance between two contact points where the sliver contacts with the two drafting rollers is relatively large, short fibers in the sliver are easy to fall off through the gap, and the yield of cotton yarns in the subsequent processing procedure is reduced. Therefore, further improvements can be made.

SUMMERY OF THE UTILITY MODEL

In order to prevent short fibers in a cotton sliver from falling off easily through a gap between two drafting rollers and improve the yield of cotton yarns in a subsequent processing procedure, the application provides a cotton sliver drafting device of a drawing frame.

The application provides a silver drafting arrangement of drawing frame adopts following technical scheme:

the utility model provides a silver drafting arrangement of drawing frame, includes that fuselage and two rotate the draft roller of installing on the fuselage, two the draft roller syntropy rotates, and two there is the rotational speed difference, two between the draft roller install the pressure bar between the draft roller, the pressure bar offsets tightly with the silver on two draft rollers simultaneously.

Through adopting above-mentioned technical scheme, when the silver drafts through two draft rollers and draw when tensile, because install the pressure bar between two draft rollers, and the pressure bar offsets tightly with the silver on two draft rollers simultaneously, the pressure plate extrudees the silver down between two draft rollers, can reduce the silver and two intervals between the contact point that two draft rollers contacted, makes the short velvet in the silver easily drop through the clearance between two draft rollers, can improve the output of cotton yarn in the follow-up manufacturing procedure.

Optionally, swing rods are rotatably mounted on two sides of the machine body, and the pressure bar is mounted between the two swing rods.

By adopting the technical scheme, the pressure bar is arranged between the two swing rods, so that the pressure bar can swing along with the swing rods. When the pressure bar swings to a position between the two drafting rollers, the pressure bar downwards extrudes the cotton sliver under the action of gravity, so that the pressure bar can be tightly propped against the cotton slivers on the two drafting rollers simultaneously. Meanwhile, when the thickness of each sliver changes, the pressure rod can swing relative to the machine body through the two swing rods, so that the abutting height of the pressure rod can be automatically adapted and adjusted along with the thickness of the sliver, and the sliver is not easily damaged by the pressure rod and the drafting roller.

Optionally, a handle is mounted at one end of the swing rod, which is far away from the rotation point of the swing rod.

Through adopting above-mentioned technical scheme, because the pendulum rod is kept away from its turning point one end and is installed the handle, when the workman need clear up draw gear inside, the workman can rotate the pressure bar through the handle, makes the pressure bar can with draft roller and silver phase separation, the workman of being convenient for accomplishes the clearance work. Meanwhile, when the pressure plate is scalded after long-time work, due to the arrangement of the handle, workers do not need to rotate the pressure rod by holding the pressure rod, so that the workers are not easily scalded by the pressure rod.

Optionally, the mounting seats are installed on two sides of the machine body, the mounting seats are arranged oppositely, one side of each mounting seat is provided with a sliding groove extending vertically, sliding blocks are arranged in the sliding grooves in a sliding mode, and two ends of the pressure bar are connected with the two sliding blocks respectively.

Through adopting above-mentioned technical scheme, after installing the pressure bar, the pressure bar is vertical gliding down through the slider along the spout under the gravity of gravity, makes the pressure bar can offset tightly with the silver on two draft rollers simultaneously. Meanwhile, when the thickness of each sliver changes, the pressure rod can slide along the direction of the sliding groove, so that the sliding position of the pressure rod can be automatically adapted and adjusted along with the thickness of the sliver, and the sliver is not easily damaged by the pressure rod and the drafting roller.

Optionally, a pressing plate is slidably arranged in the sliding groove, a pressure spring is installed between the pressing plate and the sliding block, an adjusting screw is connected to the mounting seat in a threaded manner, and the adjusting screw abuts against the pressing plate.

Through adopting above-mentioned technical scheme, when the thickness of silver changed, the workman was through rotating adjusting screw, and adjusting screw promotes the clamp plate and compresses the pressure spring, and the pressure spring promotes the pressure rod through the slider and compresses downwards along the spout direction, can increase the packing force of pressure rod to the silver, makes the workman can adjust the pressure rod according to the thickness of silver, can improve silver drafting arrangement's adaptability.

Optionally, bearings are installed on one side, opposite to the sliding block, of the sliding block, and two ends of the pressure rod are installed in the two bearings respectively.

Through adopting above-mentioned technical scheme, because the both ends of pressure group are installed respectively in two relative bearings that set up one side of mount pad, make the pressure bar rotate for the mount pad. When the drafting roller carries out drafting conveying to the silver, the pressure bar can form rolling friction with the silver, and abrasion of the pressure bar to the silver can be reduced.

Optionally, a handle is mounted on the adjusting screw.

By adopting the technical scheme, the handle is arranged on the adjusting screw, so that a worker can rotate the adjusting screw through the handle, and the worker can conveniently complete the adjustment of the pressure bar.

Optionally, the pressure bar is in communication with the ground.

Through adopting above-mentioned technical scheme, when the silver was carried through pressure bar position, because pressure bar switches on with the ground mutually, make the pressure bar because of can directly leading-in ground with the static that the friction produced takes place for the silver, make the pressure bar easily carry out electrostatic absorption to the cotton fibre in the silver to make the machine part in the fuselage easily because of being twined by the cotton fibre and break down.

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

when the cotton sliver is drawn and stretched by the two drawing rollers, the pressure bar is arranged between the two drawing rollers and is pressed against the cotton sliver on the two drawing rollers at the same time, and the pressure plate extrudes the cotton sliver between the two drawing rollers downwards, so that the distance between two contact points of the cotton sliver and the two drawing rollers can be reduced, short fibers in the cotton sliver are not easy to fall off through the gap between the two drawing rollers, and the yield of cotton yarn in the subsequent processing procedure can be improved;

the pressure bar is arranged between the two swing rods, so that the pressure bar can swing along with the swing rods. When the pressure bar swings to a position between the two drafting rollers, the pressure bar downwards extrudes the cotton sliver under the action of gravity, so that the pressure bar can be tightly propped against the cotton slivers on the two drafting rollers simultaneously. Meanwhile, when the thickness of each sliver changes, the pressing rod can swing relative to the machine body through the two swing rods, so that the pressing height of the pressing rod can be automatically adjusted adaptively along with the thickness of the sliver, and the sliver is not easy to be damaged by the pressing rod and the drawing roller;

after the pressure bar is installed, the pressure bar vertically slides downwards along the sliding groove through the sliding block under the gravity of gravity, so that the pressure bar can be tightly propped against the cotton slivers on the two drafting rollers simultaneously. Meanwhile, when the thickness of each sliver changes, the pressure rod can slide along the direction of the sliding groove, so that the sliding position of the pressure rod can be automatically adapted and adjusted along with the thickness of the sliver, and the sliver is not easily damaged by the pressure rod and the drafting roller.

Drawings

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

Fig. 2 is a schematic view of the overall structure of embodiment 2 of the present application.

Description of reference numerals:

1. a body; 2. a drafting roller; 3. a pressure bar; 4. a swing rod; 41. a handle; 5. a mounting seat; 51. a chute; 52. a slider; 521. a bearing; 53. pressing a plate; 54. a pressure spring; 55. an adjusting screw; 6. rotating the polypropylene; 61. an outer frame; 62. an inner frame; 63. a connecting rod; 100. a tampon.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a cotton sliver drafting device of a drawing frame.

Example 1:

referring to fig. 1, a cotton sliver 100 drafting device of a drawing frame comprises a frame 1, two drafting rollers 2 are installed in the frame 1, the two drafting rollers 2 are arranged at intervals along the horizontal direction, and two ends of each drafting roller 2 are respectively connected with two sides of the frame 1 in a rotating manner, so that the drafting rollers 2 can rotate relative to the frame 1. And the two drafting rollers 2 have a rotation speed difference, so that the sliver 100 can be simultaneously stretched when the two drafting rollers 2 drag and convey the sliver 100, and the drafting work of the sliver 100 is completed.

In this embodiment, swing rods 4 are rotatably mounted on two sides inside the machine body 1, the two swing rods 4 are arranged oppositely, and the two swing rods 4 are located above the two drafting rollers 2. A pressure bar 3 is arranged between the two swing rods 4, and two ends of the pressure bar 3 are respectively fixed with one end of the two swing rods 4 far away from the rotating point of the swing rod 4, so that the pressure bar 3 can swing along with the swing rods 4. When the swing rod 4 swings, the pressure bar 3 rotates to a position between the two drafting rollers 2 along with the swing rod 4 under the action of gravity, so that the pressure bar 3 can be abutted against the cotton slivers 100 on the two drafting rollers 2 simultaneously.

When the cotton sliver 100 is drawn and stretched by the two drawing rollers 2, the pressure rod 3 is arranged between the two drawing rollers 2, the pressure rod 3 is abutted against the cotton sliver 100 on the two drawing rollers 2 at the same time, the pressure plate presses the cotton sliver 100 between the two drawing rollers 2 downwards, the distance between two contact points of the cotton sliver 100 and the two drawing rollers 2 can be reduced, short velvet in the cotton sliver 100 is not easy to fall off through a gap between the two drawing rollers 2, and the yield of cotton yarns in the subsequent processing procedure can be improved.

Meanwhile, the pressure bar 3 is arranged between the two swing rods 4, so that the pressure bar 3 can swing along with the swing rods 4. When the pressure bar 3 swings to a position between the two drafting rollers 2, the pressure bar 3 presses the sliver 100 downwards under the action of gravity, so that the pressure bar 3 can be pressed against the slivers 100 on the two drafting rollers 2 simultaneously. Meanwhile, when the thickness of each sliver 100 changes, the pressure rod 3 can swing relative to the machine body 1 through the two swing rods 4, so that the abutting height of the pressure rod 3 can be automatically adjusted along with the thickness of the sliver 100, and the sliver 100 is not easily damaged by the pressure rod 3 and the drafting roller 2.

In this embodiment, a handle 41 is installed at one end of each swing rod 4 away from the rotation point, and a round angle is formed between the handle 41 and the swing rod 4. When workers need to clean the interior of the drafting device, the workers can rotate the pressure bar 3 through the lifting handle 41, so that the pressure bar 3 can be separated from the drafting roller 2 and the cotton sliver 100, and the workers can complete cleaning work conveniently. Meanwhile, when the pressure plate is scalded after long-time work, the handle 41 is arranged, so that a worker does not need to rotate the pressure rod 3 by holding the pressure rod 3, and the worker is not easily scalded by the pressure rod 3.

The implementation principle of the embodiment 1 is as follows: before drafting the cotton sliver 100, a worker swings the pressure bar 3 to enable the pressure bar 3 to rotate to a position where the pressure bar 3 is simultaneously abutted against the cotton sliver 100 on the two drafting rollers 2. When the cotton sliver 100 is drawn and stretched by the two drawing rollers 2, the pressure rod 3 is pressed against the cotton sliver 100 on the two drawing rollers 2 at the same time, so that the pressure plate extrudes the cotton sliver 100 between the two rollers downwards, the distance between two contact points of the cotton sliver 100 and the two drawing rollers 2 can be reduced, short fibers in the cotton sliver 100 are not easy to fall off through a gap between the two drawing rollers 2, and the yield of cotton yarns in the subsequent processing procedure can be improved.

Example 2:

referring to fig. 2, the present embodiment is different from the present embodiment in that mounting seats 5 are mounted on two sides of the interior of the machine body 1, the two mounting seats 5 are disposed oppositely, and each mounting seat 5 is embedded and fixed on a side wall of the machine body 1. Two mount pads 5 set up one side relatively and have all seted up spout 51, and spout 51 extends along vertical direction. All slide block 52 all slides in every spout 51 and is provided with the mounting groove, and two slide block 52 relative settings one side all seted up the mounting groove, install bearing 521 in the mounting groove, and bearing 521 outline and mounting groove inner contour inlay mutually establish coincide, make bearing 521 can inlay to establish and be fixed in corresponding mounting groove. The pressure bar 3 is installed between the two sliding blocks 52, and the diameters of the two ends of the pressure bar 3 are respectively matched with the inner diameters of the inner rings of the two bearings 521, so that the two ends of the pressure bar 3 can be respectively fixed in the inner rings of the two bearings 521, and the pressure bar 3 can rotate relative to the installation seat 5.

After the pressure bar 3 is installed, the pressure bar 3 vertically slides downwards along the sliding groove 51 through the sliding block 52 under the action of gravity, so that the pressure bar 3 can be pressed against the cotton slivers 100 on the two drafting rollers 2 at the same time. Meanwhile, when the thickness of each sliver 100 changes, the pressure bar 3 can slide along the direction of the sliding groove 51, so that the sliding position of the pressure bar 3 can be automatically adjusted along with the thickness of the sliver 100, and the sliver 100 is not easily damaged by the pressure bar 3 and the drafting roller 2.

Meanwhile, as the pressure bar 3 can rotate relative to the mounting base 5, when the drafting roller 2 drafts and conveys the cotton sliver 100, the pressure bar 3 can form rolling friction with the cotton sliver 100, and the abrasion of the pressure bar 3 to the cotton sliver 100 can be reduced.

In the present embodiment, a pressing plate 53 is further installed in the sliding chute 51, and the pressing plate 53 is located above the sliding block 52. A pressure spring 54 is arranged between the pressure plate 53 and the slide block 52, the top end of the pressure spring 54 is fixed with the bottom surface of the pressure plate 53, and the bottom end of the pressure spring 54 is fixed with the top surface of the slide block 52, so that the pressure plate 53 can compress the pressure spring 54. The top of the mounting base 5 is further connected with an adjusting screw 55 through a thread, and the bottom of the adjusting screw 55 abuts against the top surface of the pressure plate 53.

When a worker rotates the adjusting screw 55, the adjusting screw 55 pushes the pressing plate 53 to compress the compression spring 54, the compression spring 54 pushes the pressure rod 3 to compress downwards along the direction of the sliding groove 51 through the sliding block 52, the pressing force of the pressure rod 3 on the cotton sliver 100 can be increased, the worker can adjust the pressure rod 3 according to the thickness of the cotton sliver 100, and the adaptability of the drafting device of the cotton sliver 100 can be improved.

In order to facilitate the worker to complete the rotation adjustment of the adjusting screw 55, in this embodiment, the adjusting screw 55 is an outer hexagon screw, the handle 6 is mounted on the adjusting screw 55, the handle 6 includes an outer frame 61 and an inner frame 62, which are both circular, the inner frame 62 is mounted in the outer frame 61, and the outer frame 61 and the inner frame 62 are coaxially arranged. A plurality of connecting rods 63 are installed between the outer frame 61 and the inner frame 62, the connecting rods 63 are evenly arranged along the circumferential direction of the inner frame 62 at intervals, and two ends of each connection are respectively fixed with the outer frame 61 and the inner frame 62. The bottom of the inner frame 62 is provided with a hexagonal prism-shaped mounting groove, and the mounting groove is slidably fitted with the head of the adjusting screw 55, so that the rotating handle 6 can be slidably sleeved on the adjusting screw 55, and a worker can rotate the adjusting screw through the rotating handle 6.

When the installation height of the pressure bar 3 needs to be adjusted, a worker can rotate the adjusting screw 55 through the rotating handle 6, so that the worker can conveniently complete the adjustment of the pressure bar 3. Meanwhile, as the handle 6 is arranged at the head of the adjusting screw 55 in a sliding sleeve mode, after the worker finishes the adjusting work, the worker can take out the handle 6, so that the worker is not easy to touch the handle 6 by mistake and needs to readjust the pressure bar 3 in the working process.

In this embodiment, the side wall of the body 1, the mounting seat 5, the slider 52 and the pressure bar 3 are all made of steel, and the body 1 is directly supported on the bottom surface, so that the pressure bar 3 can be conducted to the ground. When the cotton sliver 100 is conveyed through the position of the pressure rod 3, the static electricity generated by the pressure rod 3 due to friction with the cotton sliver 100 is directly led into the ground, so that the pressure rod 3 is not easy to carry out electrostatic adsorption on cotton wool in the cotton sliver 100, and mechanical parts in the machine body 1 are not easy to break down due to the fact that the mechanical parts are wound by the cotton wool.

The implementation principle of the embodiment 2 is as follows: before drafting the cotton sliver 100, the pressure bar 3 slides downwards along the sliding chute 51 to between the two drafting rollers 2 along with the sliding block 52 due to the action of gravity, so that the pressure bar 3 can be pressed against the cotton sliver 100 on the two drafting rollers 2 simultaneously. When the cotton sliver 100 is drawn and stretched by the two drawing rollers 2, the pressure rod 3 is pressed against the cotton sliver 100 on the two drawing rollers 2 at the same time, so that the pressure plate presses the cotton sliver 100 between the two drawing rollers 2 downwards, the distance between two contact points of the cotton sliver 100 and the two drawing rollers 2 can be reduced, short fibers in the cotton sliver 100 are not easy to fall off through a gap between the two drawing rollers 2, and the yield of cotton yarns in the subsequent processing procedure can be improved.

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

1. The utility model provides a silver (100) drafting arrangement of drawing frame, includes that fuselage (1) and two rotate draft roller (2) of installing on fuselage (1), two draft roller (2) syntropy is rotated, and two there is the rotational speed difference, its characterized in that between draft roller (2): two install pressure bar (3) between draft roller (2), pressure bar (3) are kept off with silver (100) on two draft rollers (2) simultaneously tightly.

2. The sliver (100) drawing apparatus of a drawing frame according to claim 1, wherein: the two sides of the machine body (1) are rotatably provided with swing rods (4), and the pressure bar (3) is arranged between the two swing rods (4).

3. The sliver (100) drafting assembly of a drawing frame according to claim 2, wherein: and a lifting handle (41) is arranged at one end of the swing rod (4) far away from the rotating point.

4. The sliver (100) drawing apparatus of a drawing frame according to claim 1, wherein: fuselage (1) both sides all install mount pad (5), two mount pad (5) set up relative one side and all set up spout (51) along vertical extension, it is provided with slider (52) to slide in spout (51), pressure bar (3) both ends are connected with two sliders (52) respectively.

5. The sliver (100) drawing apparatus of a drawing frame according to claim 4, wherein: a pressing plate (53) is arranged in the sliding groove (51) in a sliding mode, a pressure spring (54) is installed between the pressing plate (53) and the sliding block (52), an adjusting screw (55) is connected to the mounting seat (5) in a threaded mode, and the adjusting screw (55) abuts against the pressing plate (53).

6. The sliver (100) drawing apparatus of a drawing frame according to claim 4, wherein: the opposite sides of the sliding blocks (52) are provided with bearings (521), and two ends of the pressure rod (3) are respectively arranged in the two bearings (521).

7. The sliver (100) drawing apparatus of a drawing frame according to claim 5, wherein: a rotating handle (6) is arranged on the adjusting screw (55).

8. The sliver (100) drawing apparatus of a drawing frame according to claim 5, wherein: the pressure bar (3) is communicated with the ground.