CN210636156U

CN210636156U - Cam and yarn guide rod structure for anticlockwise-rotating circular knitting machine

Info

Publication number: CN210636156U
Application number: CN201921222968.3U
Authority: CN
Inventors: 饶丽娟
Original assignee: Santoni Shanghai Knitting Machinery Co ltd
Current assignee: Santoni Shanghai Knitting Machinery Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-29
Anticipated expiration: 2029-07-31

Abstract

The utility model belongs to the technical field of spinning machine, concretely relates to anticlockwise operation cam and yarn guide rod structure for circular knitting machine, include that the circumference along the cylinder forms the combination of cyclic annular cam: the needle cylinder is provided with a needle cylinder, and the needle cylinder is provided with a needle cylinder and a needle guide groove; the upper layer mountain corners are provided with knitting needle inlet parts, so that the requirements on the contact surface of the knitting needles are expanded; meanwhile, the needle insertion angle is also modified, the middle layer cam is provided with a cam groove smooth part, and the lower layer cam is provided with a cam groove convex part, so that the knitting needle can more easily enter the cam groove; the clearance between the needle cylinder and the cam is strictly controlled between 0.1mm and 0.15mm, the width of the needle groove is reduced by 0.03 mm, and the lubricating oil amount is increased by 5 percent.

Description

Cam and yarn guide rod structure for anticlockwise-rotating circular knitting machine

Technical Field

The utility model belongs to the technical field of spinning machine, concretely relates to big circular knitting machine of anticlockwise operation cam angle and yarn guide rod structure.

Background

The development of textile machines is a result of common social development, and is also a diversity demand caused by different cognition of different social groups on self images. The method is necessary for social development and is also a source for enterprise development, and the enterprise can keep youth forever by grasping the core of market demand. On the basis of changing the anticlockwise operation of the machine, the quality of the cloth is improved, the production yield is increased, and the machine type can obtain and adapt to more yarn raw materials, so that the requirements of customers for producing different products are met.

However, the changed circular knitting machine which operates anticlockwise still has defects in structures of the cam and the yarn guide rod, so that the circular knitting machine has room for improvement, the phenomena of overheating of knitting needles and the like can be generated during anticlockwise operation, the yarn guide rod in front of the original yarn nozzle can only move forwards and backwards and leftwards, and therefore a novel cam and yarn guide rod structure for the circular knitting machine which operates anticlockwise is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a big circular knitting machine cam of anticlockwise operation and yarn guide rod structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cam and yarn guide rod structure for big circular knitting machine of anticlockwise operation, includes and forms annular cam combination along the circumference of cylinder: the needle cylinder is provided with a needle cylinder, the needle cylinder is provided with a needle cylinder groove, the needle cylinder groove is provided with a needle inlet part with a larger contact surface, the needle cylinder groove is provided with a smooth cam groove smooth part, and the needle cylinder groove is provided with a cam groove convex part with a slow lifting angle; the yarn guide device is characterized in that an adjusting groove is formed in the middle of the yarn guide rod and distributed along the length direction of the yarn guide rod, a square yarn guide hole and a circular yarn guide hole are formed in the upper side and the lower side of the adjusting groove respectively, and two symmetrically distributed clamping and embedding parts are formed in the upper portion of the yarn guide rod.

Preferably, the distance between the upper layer mountain angle, the middle layer mountain angle, the lower layer mountain angle and the needle cylinder is 0.1mm-0.15 mm.

Preferably, the height of the adjusting groove is 8.5mm, and the height of the square yarn guide hole is 4 mm.

Preferably, a tapered inclined surface is arranged on the sliding-in side of the knitting needle inlet part, and the height of the sliding-in port of the knitting needle inlet part is greater than the height of the tail end of the knitting needle inlet part.

Preferably, the climbing angle of the cam groove protrusion is less than 45 °, and the width of the cam groove protrusion is the same as the width of the cam groove smooth part.

Preferably, an oil guide hole is formed inside the pointer groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the cam rotates in a timing way, although the surface roughness of the cam reaches the standard of 0.4, the cam still can not meet the knitting requirement, and sometimes the phenomena of overheating of a knitting needle and the like are caused, so that a knitting needle inlet part is arranged on the cam at the upper layer, and the requirement on a knitting needle contact surface is expanded; meanwhile, the needle insertion angle is also modified, the middle layer cam is provided with a cam groove smooth part, and the lower layer cam is provided with a cam groove convex part, so that the knitting needle can more easily enter the cam groove; the clearance between the needle cylinder and the cam is strictly controlled between 0.1mm and 0.15mm, the width of the needle groove is reduced by 0.03 mm, and the lubricating oil amount is increased by 5 percent.

2. The husky mouth output is vertical arrangement's yarn guide bar, be equipped with the adjustment tank on the yarn guide bar, it can adjust 4.5 millimeters to go up, can adjust 4 millimeters below, most yarn all can be controlled at the best yarn angle of advancing like this, the change is successful can make cloth cover quality obtain very big improvement, make the rejection rate reduce 8% -10% simultaneously, and can reduce the wearing and tearing of machine, reduce the maintenance cost in the production, and because of the loss that the machine of maintaining stopped production and brought.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a middle-mountain corner assembly of the present invention;

fig. 2 is a schematic structural view of the yarn guide bar of the present invention.

In the figure: 11. an upper layer mountain corner; 111. a needle entry portion; 12. a middle layer of mountain horn; 121. a mountain corner groove smooth part; 13. a lower layer of mountain corners; 131. a gable groove protrusion; 2. a shaft hole; 3. a pointer slot; 4. a yarn guide bar; 41. a snap-fit portion; 42. a square yarn guide hole; 43. an adjustment groove; 44. a circular yarn guide hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides the following technical solutions: the utility model provides a cam and yarn guide rod structure for big circular knitting machine of anticlockwise operation, includes and forms annular cam combination along the circumference of cylinder: the needle cylinder is characterized by comprising an upper layer cam 11, a middle layer cam 12, a lower layer cam 13 and a yarn guide rod 4 which is positioned at the output end of the sand nozzle and is vertically arranged, wherein shaft holes 2 which are fixed with the needle cylinder through a pin shaft are respectively formed in the upper layer cam 11, the middle layer cam 12 and the lower layer cam 13, the outer walls of the upper layer cam 11, the middle layer cam 12 and the lower layer cam 13 are respectively provided with a pointer groove 3, a needle entering part 111 with a larger contact surface is formed in the pointer groove 3 of the upper layer cam 11, a smooth cam groove smooth part 121 is formed in the pointer groove 3 of the middle layer cam 12, and a cam groove convex part 131 with a slow lifting angle is formed in the pointer groove 3 of the lower layer cam 13; the middle position of the yarn guide rod 4 is provided with an adjusting groove 43, the adjusting groove 43 is distributed along the length direction, the upper side and the lower side of the adjusting groove 43 are respectively provided with a square yarn guide hole 42 and a round yarn guide hole 44, and the upper part of the yarn guide rod 4 is provided with two symmetrically distributed clamping and embedding parts 41.

In the embodiment, although the surface roughness of the cam reaches the standard of 0.4 during the timing rotation, the knitting requirement is not met, and the phenomena of overheating of the knitting needle and the like are caused sometimes, so that the knitting needle inlet part 111 is arranged on the upper layer cam 11, and the requirement on the contact surface of the knitting needle is expanded; meanwhile, the needle inserting angle is also modified, the middle layer cam 12 is provided with a cam groove smooth part 121, and the lower layer cam 13 is provided with a cam groove convex part 131, so that the knitting needle can more easily enter the cam groove; the clearance between a needle cylinder and a cam is strictly controlled to be 0.1-0.15 mm, the width of a needle groove is reduced by 0.03 mm, 5% of lubricating oil is increased, an adjusting groove 43 is arranged in the middle of a yarn guide rod 4 and distributed along the length direction of the adjusting groove 43, a square yarn guide hole 42 and a circular yarn guide hole 44 are respectively arranged on the upper side and the lower side of the adjusting groove 43, two symmetrically distributed clamping and embedding parts 41 are arranged on the upper part of the yarn guide rod 4 and can be adjusted by 4.5 mm upwards and 4mm downwards, so that most of yarns can be controlled at the optimal yarn feeding angle, the quality of a cloth cover can be greatly improved after successful modification, the rejection rate can be reduced by 8% -10%, the abrasion of a machine can be reduced, the maintenance cost in production is reduced, and the loss caused by the fact that the machine stops production is maintained.

Specifically, the distance between the upper layer cam 11, the middle layer cam 12 and the lower layer cam 13 and the needle cylinder is 0.1mm-0.15mm, the clearance between the needle cylinder and the cam is strictly controlled to be 0.1-0.15 mm, the width of the needle groove is reduced to reduce 0.03 mm, and 5% of lubricating oil quantity is increased.

Specifically, the height of the adjusting groove 43 is 8.5mm, the height of the square yarn guide hole 42 is 4mm, the yarn guide rod can be adjusted upwards by 4.5 mm, and can be adjusted downwards by 4mm, so that most of yarns can be controlled at the optimal yarn feeding angle.

Specifically, a tapered inclined surface is arranged on the sliding-in side of the needle inlet portion 111, the height of the sliding-in opening of the needle inlet portion 111 is greater than the height of the tail end of the needle inlet portion 111, and although the surface roughness of a cam reaches the standard of 0.4 during the timing rotation, the needle inlet portion is arranged on the upper cam, so that the requirement on the contact surface of the needle is expanded.

Specifically, the climbing angle of the cam groove protrusion 131 is less than 45 °, the width of the cam groove protrusion 131 is the same as the width of the cam groove smooth portion 121, and the needle insertion angle is also modified, so that the knitting needle can more easily enter the cam groove, points B and C in fig. 1.

Specifically, the inner side of the pointer groove 3 is provided with an oil guide hole, the clearance between the needle cylinder and the cam is strictly controlled to be 0.1-0.15 mm, the width of the pointer groove is reduced to reduce the needle groove by 0.03 mm, 5% of lubricating oil is increased, and the lubricating oil flows out of the oil guide hole to perform a certain lubricating effect.

The utility model discloses a theory of operation and use flow: the successful modification can greatly improve the quality of the cloth cover, simultaneously reduce the rejection rate by 8 to 10 percent, reduce the abrasion of the machine, reduce the maintenance cost in the production and the loss caused by stopping the production of the maintenance machine, open the diversification of the double-sided circular knitting machine, have more choices, can play a guiding role for the similar high-speed knitting machine, can provide experience for other knitting machines in the design, thereby comprehensively improving the level of the domestic machines, can obviously improve the quality of the cloth cover by adopting a counterclockwise knitting mode, improve the qualification rate by 8 to 10 percent, has no way of comparing with the common machine type in the production efficiency, improves the yarn inlet structure of the yarn nozzle, can adapt to 80 percent of Z-twisted yarns in the current market, and controls the gap between the yarn nozzle and a knitting needle within 0.3 mm, most of the yarns can pass through freely without collecting dust, the machine maintenance time can be greatly prolonged, more time can be used for production, and the maintenance cost can be greatly reduced; the raw materials of each accessory are basically consistent with those used clockwise, the raw materials are higher than the materials adopted by other companies, the standard is high, the service life of the machine is prolonged, the stability and the diversity of spinning are obviously improved, the yarn nozzle is designed again, the yarn nozzle can only move front and back and left and right originally, the up-and-down movement is increased, 4.3 mm can be adjusted upwards, 4mm can be adjusted downwards, and therefore the yarn feeding can be controlled at the optimal position when different yarns are used.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a big circular knitting machine of anticlockwise operation cam and yarn guide rod structure which characterized in that: comprises an annular mountain corner combination formed along the circumferential direction of the needle cylinder: the needle guiding device comprises an upper layer cam (11), a middle layer cam (12), a lower layer cam (13) and a yarn guiding rod (4) which is positioned at the output end of a sand nozzle and is vertically arranged, wherein shaft holes (2) which are fixed with a needle cylinder through a pin shaft are formed in the upper layer cam (11), the middle layer cam (12) and the lower layer cam (13), needle grooves (3) are formed in the outer walls of the upper layer cam (11), the middle layer cam (12) and the lower layer cam (13), a knitting needle entering part (111) with a large contact surface is formed in the needle groove (3) of the upper layer cam (11), a smooth cam groove smooth part (121) is formed in the needle groove (3) of the middle layer cam (12), and a cam groove convex part (131) with a slow lifting angle is formed in the needle groove (3) of the lower layer cam (13); the yarn guide device is characterized in that an adjusting groove (43) is formed in the middle of the yarn guide rod (4), the adjusting groove (43) is distributed along the length direction of the adjusting groove, square yarn guide holes (42) and circular yarn guide holes (44) are formed in the upper side and the lower side of the adjusting groove (43), and two symmetrically distributed clamping and embedding portions (41) are formed in the upper portion of the yarn guide rod (4).

2. The cam and yarn guide bar structure for a counterclockwise rotation circular knitting machine according to claim 1, wherein: the distance between the upper layer mountain angle (11), the middle layer mountain angle (12), the lower layer mountain angle (13) and the needle cylinder is 0.1mm-0.15 mm.

3. The cam and yarn guide bar structure for a counterclockwise rotation circular knitting machine according to claim 1, wherein: the height of the adjusting groove (43) is 8.5mm, and the height of the square yarn guide hole (42) is 4 mm.

4. The cam and yarn guide bar structure for a counterclockwise rotation circular knitting machine according to claim 1, wherein: the sliding-in side of the knitting needle entering part (111) is provided with a tapered inclined surface, and the height of the sliding-in port of the knitting needle entering part (111) is larger than the height of the tail end of the knitting needle entering part (111).

5. The cam and yarn guide bar structure for a counterclockwise rotation circular knitting machine according to claim 1, wherein: the climbing angle of the cam groove bulge (131) is less than 45 degrees, and the width of the cam groove bulge (131) is the same as that of the cam groove smooth part (121).

6. The cam and yarn guide bar structure for a counterclockwise rotation circular knitting machine according to claim 1, wherein: the inner side of the pointer groove (3) is provided with an oil guide hole.