CN212834229U

CN212834229U - Drafting and conveying device of spinning machine

Info

Publication number: CN212834229U
Application number: CN202021648613.3U
Authority: CN
Inventors: 沈图
Original assignee: JIANSHE SILK MILL JIAXING CITY
Current assignee: JIANSHE SILK MILL JIAXING CITY
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-03-30
Anticipated expiration: 2030-08-10

Abstract

The utility model provides a drafting conveying device of a spinning machine, which comprises an installation arm, a first drafting mechanism, a second drafting mechanism and a third drafting mechanism, wherein the first drafting mechanism, the second drafting mechanism and the third drafting mechanism are sequentially arranged along the installation arm; the drafting mechanism comprises a first drafting roller and a first press roller; the second drafting mechanism comprises a second drafting roller, a second pressing roller, a conveying belt and a supporting frame; the third drafting mechanism comprises a third drafting roller and a third pressing roller; the mounting arm is positioned above the second drafting mechanism and is provided with a fixed shaft, and the fixed shaft is rotatably connected with a guide wheel; the installation arm is close to first draft mechanism department and is fixed with the guide ring, still be fixed with the mount on the installation arm, install the guide vane on the mount, the guide way has been seted up on the guide vane. According to the scheme, the spun yarns are guided in a plurality of ways, and the spun yarns are prevented from being broken due to transverse movement.

Description

Drafting and conveying device of spinning machine

Technical Field

The utility model relates to a spinning machine field, in particular to spinning machine's draft conveyor.

Background

The drafting and conveying device is the main core device of the spinning machine and mainly plays a role in drafting and thinning and compacting the thick yarn.

CN108866692A discloses a friction spinning device, which comprises a front roller, a small roller and a roller seat, wherein the small roller is arranged in front of the front roller and is connected with a tension guide roller through a grid ring; the yarn is held and drafted by a front roller and a front leather roller, enters a yarn guide hook through a grid ring and is wound on the cop; bearings are arranged at two ends of the small roller, a dustproof shell is wrapped at the periphery of each bearing, and the dustproof shell is fixed on the roller seat; the side surface of the dustproof shell is provided with an arc-shaped groove, and two ends of the tension guide roller are connected with the arc-shaped groove through nuts; the front roller is arranged on the roller seat.

The strands are held and drafted by the front roller and the front leather roller and then enter the friction spinning device, and the position of the tension guide roller is adjusted to ensure that the yarns are tightly attached to the grid ring. Because the surface of the grid ring is rough, the spinning weak twist section is clung to the grid ring and generates relative friction movement, and the free hairiness partially extending out of the yarn body is drawn into the yarn body in the friction process, thereby being beneficial to cohesion and aggregation among fibers, reducing the generation of yarn hairiness and improving the yarn forming quality.

When the yarn is wound around a cop, the yarn is likely to be broken because of a lateral deviation.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide a drafting conveyor of spinning machine, the difficult emergence fracture of spun yarn.

The above technical purpose of the present invention can be achieved by the following technical solutions: the drafting and conveying device of the spinning machine comprises a mounting arm, a first drafting mechanism, a second drafting mechanism and a third drafting mechanism, wherein the first drafting mechanism, the second drafting mechanism and the third drafting mechanism are sequentially arranged along the mounting arm; the second drafting mechanism comprises a second drafting roller, a second pressing roller, a conveying belt and a supporting frame, the second drafting roller is rotatably installed on a frame of the spinning machine, the second pressing roller is rotatably installed on the installation arm and positioned above the second drafting roller, the conveying belt is wound on the second pressing roller, and the supporting frame is fixed with the installation arm and extends into the conveying belt to tightly support the conveying belt; the third drafting mechanism comprises a third drafting roller and a third pressing roller, the third drafting roller is rotatably arranged on a frame of the spinning machine, the third pressing roller is rotatably arranged on the mounting arm, and the third pressing roller is positioned above the third drafting roller and is abutted against the third drafting roller; the mounting arm is positioned above the second drafting mechanism and is provided with a fixed shaft, and the fixed shaft is rotatably connected with a guide wheel; the installation arm is close to first draft mechanism department and is fixed with the guide ring, still be fixed with the mount on the installation arm, install the guide vane on the mount, the guide way has been seted up on the guide vane.

The positions of the first drawing roller, the second drawing roller and the third drawing roller, which correspond to the first pressing roller, the second pressing roller and the third pressing roller, are all provided with twills; the roving passes through between the first drawing roller and the first pressing roller, enters between the conveying belt and the second drawing roller, and then comes out from between the third drawing roller and the third pressing roller; the spun yarn passes through the guide ring, the guide wheel and the guide groove, is converged with coarse sand between the third drafting roller and the third pressing roller, and is wound on the cop. According to the scheme, the spun yarns are guided in a plurality of ways, and the spun yarns are prevented from being broken due to transverse movement.

Furthermore, the guide wheel is sleeved on the fixed shaft, a limiting sleeve is arranged on the inner side of the guide wheel, and a limiting cap is connected to the outer side of the guide wheel in a threaded mode.

The guide wheel is rapidly installed through the limiting sleeve and the limiting cap.

Furthermore, a threaded column is formed at the tail end of the guide ring and is in threaded connection with the mounting arm.

The rotation angle of the guide ring can be conveniently and rapidly installed and adjusted through the arrangement of the threaded column.

Further, the installation arm is located and installs the tensioning axle between leading collar and second draft mechanism.

The roving firstly bypasses the lower part of the tensioning shaft and then enters the space between the conveying belt and the second drafting roller.

Furthermore, limiting pieces are fixed to two sides of the supporting frame and located on two sides of the conveying belt.

The limiting piece limits the transverse deviation of the conveying belt.

Furthermore, the fixing frame comprises two symmetrically arranged frame bodies, a connecting rod for connecting the two frame bodies, and an installation block fixed on the connecting rod, wherein the frame body comprises a first rod body arranged horizontally, a second rod body fixed with the first rod body and inclined outwards, a bent part fixed with the second rod body, and a third rod body fixed with the bent part and extending upwards, and the two ends of the connecting rod are respectively connected with the third rod bodies of the two frame bodies; an installation rod penetrates through the installation block, and the guide sheet is sleeved on the installation rod.

The mount is made by the spring steel, has certain elasticity, hangs on the installation arm through first body of rod butt installation arm upper surface, and whole mount is formed by a spring steel is crooked.

Furthermore, a limiting groove is formed in the mounting arm, and the first rod body is located in the limiting groove.

The setting of spacing groove makes the mount be difficult for removing.

To sum up, the utility model discloses following beneficial effect has: the spun yarn is limited by multiple sections, so that the spun yarn cannot be transversely moved to cause fracture in the winding process to the cop.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic view of the connection between the fixing frame and the guide plate;

fig. 3 is an enlarged view of a portion a of fig. 1.

Reference numerals: 1. mounting an arm; 11. a limiting groove; 2. a first drafting mechanism; 21. a first draft roller; 22. a first press roll; 3. a second drafting mechanism; 31. a second draft roller; 32. a second press roll; 33. a conveyor belt; 34. a support frame; 35. a limiting sheet; 4. a third drafting mechanism; 41. a third draft roller; 42. a third press roll; 51. a fixed shaft; 52. a guide wheel; 521. a ring groove; 53. a limiting sleeve; 54. a limiting cap; 61. a guide ring; 62. a threaded post; 7. tensioning the shaft; 8. a fixed mount; 81. a frame body; 811. a first rod body; 812. a second rod body; 813. a bending section; 814. a third rod body; 82. a connecting rod; 83. mounting blocks; 84. mounting a rod; 9. a guide piece; 91. a guide groove.

Detailed Description

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

The drafting conveying device of the spinning machine, as shown in fig. 1-3, comprises a mounting arm 1, a first drafting mechanism 2, a second drafting mechanism 3 and a third drafting mechanism 4 which are arranged in sequence along the mounting arm 1.

The first drafting mechanism 2 comprises a first drafting roller 21 and a first pressing roller 22, the first drafting roller 21 is rotatably installed on the frame of the spinning machine, the first pressing roller 22 is rotatably installed on the installation arm 1, and the first pressing roller 22 is located above the first drafting roller 21 and abuts against the first drafting roller 21.

The second drafting mechanism 3 comprises a second drafting roller 31 and a second pressing roller 32, a conveying belt 33 and a supporting frame 34, the second drafting roller 31 is rotatably installed on the frame of the spinning machine, the second pressing roller 32 is rotatably installed on the installation arm 1, the second pressing roller 32 is located above the second drafting roller 31, the conveying belt 33 is wound on the second pressing roller 32, the supporting frame 34 is fixed with the installation arm 1 and stretches into the conveying belt 33 to tightly support the conveying belt 33, the supporting frame 34 is located in the conveying belt 33 and is arranged in a V shape, the conveying belt 33 is integrally arranged in a V shape, and the tip of the conveying belt 33 faces the third drafting mechanism 4. Limiting pieces 35 are fixed on two sides of the supporting frame 34, and the limiting pieces 35 are located on two sides of the conveying belt 33.

The third drafting mechanism 4 comprises a third drafting roller 41 and a third pressing roller 42, the third drafting roller 41 is rotatably installed on the frame of the spinning machine, the third pressing roller 42 is rotatably installed on the installation arm 1, and the third pressing roller 42 is positioned above the third drafting roller 41 and abuts against the third drafting roller 41.

The mounting arm 1 is arranged above the second drafting mechanism 3 and is provided with a fixed shaft 51, the guide wheel 52 is sleeved on the fixed shaft 51 and can rotate relative to the fixed shaft 51, the guide wheel 52 is provided with a ring groove 521, the cross section of the ring groove 521 is isosceles trapezoid, the inner part of the ring groove 521 is small and the outer part is large, the inner side of the guide wheel 52 is provided with a limiting sleeve 53, and the outer side of the guide wheel 52 is in threaded connection with a limiting cap 54.

A guide ring 61 is fixed on the mounting arm 1 near the first drafting mechanism 2, a threaded column 62 is formed at the tail end of the guide ring 61, and the threaded column 62 is in threaded connection with the mounting arm 1. The arm 1 is provided with a tension shaft 7 between the guide ring 61 and the second drafting mechanism 3.

The mounting arm 1 is also fixed with a fixing frame 8, and the fixing frame 8 is provided with a guide sheet 9. Mount 8 includes the support body 81 that two symmetries set up, connects two support body 81's connecting rod 82, fixes the installation piece 83 on connecting rod 82, support body 81 includes the first body of rod 811 that the level set up, fixed and lean out the second body of rod 812 with the first body of rod 811, with the fixed flexion 813 of the second body of rod 812, with the fixed third body of rod 814 that upwards extends of flexion 813, two support body 81's third body of rod 814 is connected respectively at connecting rod 82 both ends. The mounting arm 1 is provided with a limiting groove 11, the cross section of the limiting groove 11 is semicircular, and the first rod 811 is located in the limiting groove 11. An installation rod 84 penetrates through the installation block 83, the guide piece 9 is sleeved on the installation rod 84 and the installation rod 84 in interference fit, the whole guide piece 9 is in a concave shape, the diameters of two ends of the part, sleeved on the installation rod 84, of the guide piece 9 are large, the diameter of the middle of the part is small, an annular guide groove 91 is formed in the part with the small diameter of the middle of the part, and the whole guide piece 9 is parallel to the upper surface of the conveying belt 33.

The positions of the first drawing roller 21, the second drawing roller 31 and the third drawing roller 41 corresponding to the first pressing roller 22, the second pressing roller 32 and the third pressing roller 42 are all provided with twills; the roving passes between the first drawing roller 21 and the first pressing roller 22, passes through the lower part of the tensioning shaft 7, enters between the conveying belt 33 and the second drawing roller 31, and then comes out from between the third drawing roller 41 and the third pressing roller 42; the spun yarn passes through the guide ring 61, the guide wheel 52, and the guide groove 91, and then is converged with the coarse sand between the third draft roller 41 and the third press roller 42, and then wound around the cop. According to the scheme, the spun yarns are guided in a plurality of ways, and the spun yarns are prevented from being broken due to transverse movement.

Claims

1. A draft conveying device of a spinning machine, characterized in that: the drafting mechanism comprises a mounting arm (1), a first drafting mechanism (2), a second drafting mechanism (3) and a third drafting mechanism (4), wherein the first drafting mechanism (2), the second drafting mechanism and the third drafting mechanism are sequentially arranged along the mounting arm (1), the first drafting mechanism (2) comprises a first drafting roller (21) and a first pressing roller (22), the first drafting roller (21) is rotatably arranged on a frame of a spinning machine, the first pressing roller (22) is rotatably arranged on the mounting arm (1), and the first pressing roller (22) is positioned above the first drafting roller (21) and is abutted against the first drafting roller (21); the second drafting mechanism (3) comprises a second drafting roller (31), a second pressing roller (32), a conveying belt (33) and a supporting frame (34), the second drafting roller (31) is rotatably installed on a frame of the spinning machine, the second pressing roller (32) is rotatably installed on the installation arm (1), the second pressing roller (32) is located above the second drafting roller (31), the conveying belt (33) is wound on the second pressing roller (32), and the supporting frame (34) is fixed with the installation arm (1) and extends into the conveying belt (33) to tightly support the conveying belt (33); the third drafting mechanism (4) comprises a third drafting roller (41) and a third pressing roller (42), the third drafting roller (41) is rotatably installed on a frame of the spinning machine, the third pressing roller (42) is rotatably installed on the installation arm (1), and the third pressing roller (42) is positioned above the third drafting roller (41) and is abutted against the third drafting roller (41); a fixed shaft (51) is arranged above the second drafting mechanism (3) on the mounting arm (1), and a guide wheel (52) is rotatably connected to the fixed shaft (51); the installation arm (1) is close to first draft mechanism (2) department and is fixed with guide ring (61), still be fixed with mount (8) on installation arm (1), install guide vane (9) on mount (8), guide way (91) have been seted up on guide vane (9).

2. The draft conveying device of a spinning machine according to claim 1, wherein: the guide wheel (52) is sleeved on the fixed shaft (51), a limiting sleeve (53) is arranged on the inner side of the guide wheel (52), and a limiting cap (54) is connected to the outer side of the guide wheel (52) in a threaded mode.

3. The draft conveying device of a spinning machine according to claim 1, wherein: the tail end of the guide ring (61) forms a threaded column (62), and the threaded column (62) is in threaded connection with the mounting arm (1).

4. The draft conveying device of a spinning machine according to claim 1, wherein: the mounting arm (1) is positioned between the guide ring (61) and the second drafting mechanism (3) and is provided with a tensioning shaft (7).

5. The draft conveying device of a spinning machine according to claim 1, wherein: the limiting piece (35) is fixed to two sides of the supporting frame (34), and the limiting piece (35) is located on two sides of the conveying belt (33).

6. The draft conveying device of a spinning machine according to claim 1, wherein: the fixing frame (8) comprises two symmetrically arranged frame bodies (81), a connecting rod (82) for connecting the two frame bodies (81), and a mounting block (83) fixed on the connecting rod (82), wherein the frame bodies (81) comprise a first rod body (811) horizontally arranged, a second rod body (812) fixed with the first rod body (811) and inclining outwards, a bending part (813) fixed with the second rod body (812), and a third rod body (814) fixed with the bending part (813) and extending upwards, and two ends of the connecting rod (82) are respectively connected with the third rod bodies (814) of the two frame bodies (81); the mounting block (83) penetrates through a mounting rod (84), and the guide sheet (9) is sleeved on the mounting rod (84).

7. The draft conveying device of a spinning machine according to claim 6, wherein: the mounting arm (1) is provided with a limiting groove (11), and the first rod body (811) is located in the limiting groove (11).