CN111519329B - Self-adaptive yarn feeder capable of smoothly discharging yarn at high speed - Google Patents
Self-adaptive yarn feeder capable of smoothly discharging yarn at high speed Download PDFInfo
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- CN111519329B CN111519329B CN202010370549.5A CN202010370549A CN111519329B CN 111519329 B CN111519329 B CN 111519329B CN 202010370549 A CN202010370549 A CN 202010370549A CN 111519329 B CN111519329 B CN 111519329B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/48—Thread-feeding devices
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- Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
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Abstract
The invention discloses a self-adaptive yarn feeder capable of smoothly discharging yarns at a high speed, which belongs to the field of yarn feeders and comprises a yarn feeder body, wherein a lower yarn feeding nozzle is arranged at the lower end of the yarn feeder body, and at least one lower yarn feeding hole is formed in the lower yarn feeding nozzle; an ellipsoid yarn guide sleeve is arranged in the lower yarn feeding hole, yarns penetrate through the middle of the ellipsoid yarn guide sleeve, and two ends of the ellipsoid yarn guide sleeve can swing along the directions of the yarns and the acting force of the yarns. The diameters of the two ends of the ellipsoidal yarn guide sleeve are smaller than the diameter of the lower yarn feeding hole, so that the ellipsoidal yarn guide sleeve can rotate around the middle position, the rotation suitable for the ellipsoidal yarn guide sleeve is pulled through the acting force of the yarn, and the yarn outlet is smoother.
Description
Technical Field
The invention relates to the field of yarn feeders, in particular to a self-adaptive yarn feeder capable of smoothly discharging yarns at a high speed.
Background
Chinese patent publication No. CN201420697290.5 discloses a special straight-pull type yarn feeder for small circular knitting machine, which comprises a yarn feeder body and a mounting rack, and is characterized in that: the yarn feeder comprises a feeder body and is characterized by further comprising an upper yarn feeding nozzle, an elastic connecting piece and a fixed connecting piece, wherein a guide groove extending in the vertical direction is formed in the feeder body, the mounting frame is movably arranged on the guide groove through the elastic connecting piece, the upper yarn feeding nozzle is preferably arranged above the mounting frame through the fixed connecting piece, and the mounting frame is connected to the guide groove through a bolt.
In the knitting process of the knitting machine, a yarn feeder guides the yarn to a proper position so that the yarn is pulled by a knitting hook to work. Because the knitting needles and yarns of various fabrics are different, the knitting needles and yarns must be matched according to requirements to guide the yarns to the optimal position, so that the knitting effect is smoother, and the quality of products is improved. With the increasing pace of life, the fashion trend changes rapidly, the fabric also needs to change in order to meet the preference of consumers, and the traditional yarn feeder also needs to change along with the change, so that the yarn changing is very frequent.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an adaptive yarn feeder capable of smoothly discharging yarns at a high speed, and the angle of the yarns can be correspondingly adjusted according to the acting force direction of the yarns when the yarns are discharged from a lower yarn feeding nozzle, so that the yarns are discharged more smoothly.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a self-adaptive yarn feeder capable of smoothly discharging yarns at a high speed, which comprises a yarn feeder body, wherein a lower yarn feeding nozzle is arranged at the lower end of the yarn feeder body, and at least one lower yarn feeding hole is formed in the lower yarn feeding nozzle; an ellipsoid yarn guide sleeve is arranged in the lower yarn feeding hole, yarns penetrate through the middle of the ellipsoid yarn guide sleeve, and two ends of the ellipsoid yarn guide sleeve can swing along the directions of the yarns and the acting force of the yarns.
The invention has the preferable technical scheme that a telescopic adjusting mechanism is arranged in the lower side wall of the lower yarn feeding hole, one end of the telescopic adjusting mechanism is abutted against the outer side wall of one end of the ellipsoidal yarn guide sleeve so as to provide elasticity for the ellipsoidal yarn guide sleeve along the direction of the acting force of the yarn, and the elasticity of the telescopic adjusting mechanism is adjustable.
The invention has the preferable technical scheme that a ball head hole is formed in the outer side wall of the ellipsoidal yarn guide sleeve, a rotating shaft telescopic mechanism is arranged in the lower yarn feeding hole along the direction vertical to the acting force direction of yarns, and the rotating shaft telescopic mechanism is rotationally connected with the ball head hole.
The invention has the preferable technical scheme that the rotating shaft telescopic mechanism comprises a telescopic step shaft, a rotating shaft spring and a pin; a step hole is formed in the side wall of the lower yarn feeding hole, the telescopic step shaft is connected to one end of the step hole in a sliding mode, and the telescopic step shaft is connected to the ball head hole in a rotating mode; the rotating shaft spring is located in the step hole and is abutted to the telescopic step shaft, and the pin is connected to the other end of the step hole in an interference fit mode so that the rotating shaft spring is limited in the step hole.
The invention has the preferable technical scheme that the telescopic adjusting mechanism comprises a telescopic guide pillar, an adjusting spring and an adjusting screw; the lower side wall of the lower yarn feeding hole is provided with an adjusting screw hole, the telescopic guide pillar is connected in the adjusting screw hole in a sliding mode, the adjusting spring is located in the adjusting screw hole, the adjusting screw is in threaded connection with the adjusting screw hole, and the adjusting screw abuts against the adjusting spring.
The invention has the preferable technical scheme that one end of the adjusting screw hole, which is close to the lower yarn feeding hole, is provided with a stepped sliding hole, and the telescopic guide pillar is in sliding connection with the stepped sliding hole.
The invention has the preferable technical scheme that two lower yarn feeding holes are arranged, and the bulb hole penetrates through one lower yarn feeding hole and is communicated with the other lower yarn feeding hole; and the ball head hole is provided with a step hole with a gradually reduced pore diameter along the depth direction.
The invention has the preferable technical scheme that an L-shaped plate is arranged at the upper end of the yarn feeder body, an upper yarn feeding hole is formed in the L-shaped plate, and the L-shaped plate is rotatably connected with the yarn feeder body so as to adjust the fixed angle of the L-shaped plate.
The invention preferably adopts the technical scheme that an elastic connecting piece is arranged in the middle of the yarn feeder body.
The invention has the preferable technical scheme that the ellipsoid yarn guide sleeve is made of ceramic materials, and an enamel layer is arranged on the surface of the ellipsoid yarn guide sleeve.
The invention has the beneficial effects that:
the invention provides a self-adaptive yarn feeder capable of smoothly discharging yarns at a high speed, which comprises a yarn feeder body, wherein a lower yarn feeding nozzle is arranged at the lower end of the yarn feeder body, and at least one lower yarn feeding hole is formed in the lower yarn feeding nozzle; an ellipsoid yarn guide sleeve is arranged in the lower yarn feeding hole, yarns penetrate through the middle of the ellipsoid yarn guide sleeve, and two ends of the ellipsoid yarn guide sleeve can swing along the directions of the yarns and the acting force of the yarns. The diameters of the two ends of the ellipsoidal yarn guide sleeve are smaller than the diameter of the lower yarn feeding hole, so that the ellipsoidal yarn guide sleeve can rotate around the middle position, the rotation suitable for the ellipsoidal yarn guide sleeve is pulled through the acting force of the yarn, and the yarn outlet is smoother.
Drawings
Fig. 1 is an overall schematic view of an adaptive yarn feeder capable of smoothly discharging yarns at high speed according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1 provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a lower yarn feeder provided in an embodiment of the present invention;
in the figure:
1. a yarn feeder body; 2. an ellipsoidal yarn guide sleeve; 3. a telescopic adjusting mechanism; 4. a rotating shaft telescoping mechanism; 11. an L-shaped plate; 12. an elastic connecting member; 13. a lower yarn feeding nozzle; 111. an upper yarn feeding hole; 131. a lower yarn feeding hole; 132. a stepped bore; 133. adjusting the screw hole; 21. a ball head hole; 31. a telescopic guide post; 32. adjusting the spring; 33. an adjusting screw; 41. a pin; 42. a spindle spring; 43. a telescopic step shaft.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 3, the adaptive yarn feeder capable of smoothly discharging yarn at high speed provided in this embodiment includes a yarn feeder body 1, a lower yarn feeding nozzle 13 is provided at a lower end of the yarn feeder body 1, and at least one lower yarn feeding hole 131 is provided at the lower yarn feeding nozzle 13; the lower yarn feeding hole 131 is internally provided with an ellipsoid yarn guide sleeve 2, yarns penetrate through the middle of the ellipsoid yarn guide sleeve 2, and two ends of the ellipsoid yarn guide sleeve 2 can swing along the directions of the yarns and the acting force thereof. The diameter of the middle part of the ellipsoid yarn guide sleeve 2 is matched with the diameter of the lower yarn feeding hole 131, so that the ellipsoid yarn guide sleeve 2 can just rotate around the middle part, and the diameters of the two ends of the ellipsoid yarn guide sleeve 2 are gradually reduced, so that the two ends can deflect. The middle part of the ellipsoid yarn guiding sleeve 2 is provided with a yarn passing hole, and when yarns pass through the middle part of the ellipsoid yarn guiding sleeve 2, upward acting force is applied to one end of the ellipsoid yarn guiding sleeve 2, and downward acting force is applied to the other end of the ellipsoid yarn guiding sleeve. Through the self-adaptive deflection of the ellipsoidal yarn guide sleeve 2, the resistance to the yarn is reduced, and the outgoing line is smoother.
Preferably, a telescopic adjusting mechanism 3 is arranged in the lower side wall of the lower yarn feeding hole 131, one end of the telescopic adjusting mechanism 3 abuts against the outer side wall of one end of the ellipsoidal yarn guide sleeve 2 so as to provide elasticity for the ellipsoidal yarn guide sleeve 2 along the direction of the yarn acting force, and the elastic force of the telescopic adjusting mechanism 3 is adjustable. The effect through flexible adjustment mechanism 3 makes the leading 2 of ellipsoid to deflect after can resetting, and the regulation of the elasticity size through flexible adjustment mechanism 3 simultaneously can restrict the size of the angle of deflection of leading 2 of ellipsoid to make its play yarn that can be better, improve and weave the quality.
Further, the telescopic adjusting mechanism 3 comprises a telescopic guide post 31, an adjusting spring 32, and an adjusting screw 33; the lower side wall of the lower yarn feeding hole 131 is provided with an adjusting screw hole 133, the telescopic guide pillar 31 is slidably connected in the adjusting screw hole 133, the adjusting spring 32 is located in the adjusting screw hole 133, the adjusting screw 33 is in threaded connection with the adjusting screw hole 133, and the adjusting screw 33 is abutted against the adjusting spring 32. Preferably, a stepped sliding hole is formed at one end of the adjusting screw hole 133 close to the lower yarn feeding hole 131, and the telescopic guide pillar 31 is slidably connected with the stepped sliding hole. The telescopic guide post 31 can move telescopically under the action of the adjusting spring 32, so as to abut against one end of the ellipsoidal guide sleeve 2 and lift the end, and the resistance of the spring needs to be overcome when the ellipsoidal guide sleeve 2 deflects towards the direction. By screwing the adjusting screw 33 into the adjusting spring 32, the length of the adjusting spring 32 can be extruded, the elasticity of the adjusting spring 32 is improved, so that the ellipsoidal guide sleeve 2 needs to overcome larger resistance when deflecting, and the acting force of the yarn is limited, so that the deflection angle of the ellipsoidal guide sleeve 2 is limited.
Preferably, the outer side wall of the ellipsoidal yarn guide sleeve 2 is provided with a ball head hole 21, the side wall of the lower yarn feeding hole 131 is provided with a rotating shaft telescopic mechanism 4 along the direction perpendicular to the acting force direction of the yarn, and the rotating shaft telescopic mechanism 4 is rotatably connected with the ball head hole 21. The movement of the ellipsoidal guide sleeve 2 along the length direction of the lower yarn feeding hole 131 can be limited by the rotating shaft telescopic mechanism 4, so that the ellipsoidal guide sleeve can only rotate around the position of the ball head hole 21.
Further, the rotating shaft telescoping mechanism 4 comprises a telescoping step shaft 43, a rotating shaft spring 42 and a pin 41; a stepped hole 132 is formed in the side wall of the lower yarn feeding hole 131, the telescopic step shaft 43 is slidably connected into one end of the stepped hole 132, and the telescopic step shaft 43 is rotatably connected into the bulb hole 21; the rotating shaft spring 42 is located in the stepped hole 132 and abuts against the telescopic stepped shaft 43, and the pin 41 is connected to the other end of the stepped hole 132 in an interference fit manner, so that the rotating shaft spring 42 is limited in the stepped hole 132. The end of the telescopic step shaft 43, which is engaged with the ball head hole 21, is provided with a ball head, so that the telescopic step shaft 43 cannot be ejected through the engagement of the telescopic step shaft 43 with the step hole 132, and the telescopic step shaft 43 can be ejected through the spindle spring 42. When the ellipsoidal guide sleeve 2 is mounted, the ellipsoidal guide sleeve 2 presses the telescopic step shaft 43 back into the step hole 132, and when the ball hole 21 of the telescopic step shaft 43 moves to the position of the telescopic step shaft 43, the telescopic step shaft 43 springs out and snaps into the ball hole 21. Make simple to operate, adopt bulb hole 21 complex mode simultaneously for the guide sleeve 2 is led to the ellipsoid not only can rotate around flexible step axle 43 axis, can also follow other direction micro-adjustment angle, thereby makes the guide sleeve 2 is led to the ellipsoid can be better be suitable for out the yarn.
Preferably, there are two lower yarn feeding holes 131, and the ball head hole 21 penetrates through one of the lower yarn feeding holes 131 and communicates with the other lower yarn feeding hole 131; the ball hole 21 is provided with a stepped hole 132 having a gradually decreasing diameter in the depth direction. For convenience of processing, two holes are directly punched through one-step punching and forming, a hole with a larger diameter is punched at the end close to the feed knife, and then a hole with a small diameter communicated with the other lower yarn feeding hole 131 is punched.
Preferably, an L-shaped plate 11 is arranged at the upper end of the yarn feeder body 1, an upper yarn feeding hole 111 is arranged on the L-shaped plate 11, and the L-shaped plate 11 is rotatably connected with the upper yarn feeding hole to adjust the fixed angle of the L-shaped plate 11. Thereby conveniently adjusting the angle of the yarn entering the lower yarn feeding hole 131 from the upper yarn feeding hole 111, and making it possible to be more suitably applied to various kinds of woven fabrics. Preferably, the elastic connector 12 is provided at the middle of the yarn feeder body 1. And the flexible connection is convenient.
Preferably, the material of the ellipsoid guide sleeve 2 is ceramic, and an enamel layer is arranged on the surface of the ellipsoid guide sleeve 2. Thereby leading the yarn out more smoothly.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (8)
1. A self-adaptive yarn feeder capable of smoothly discharging yarns at a high speed comprises a yarn feeder body (1), wherein a lower yarn feeding nozzle (13) is arranged at the lower end of the yarn feeder body (1), and at least one lower yarn feeding hole (131) is formed in the position of the lower yarn feeding nozzle (13); the method is characterized in that:
an ellipsoid yarn guide sleeve (2) is arranged in the lower yarn feeding hole (131), yarns penetrate through the middle of the ellipsoid yarn guide sleeve (2), and two ends of the ellipsoid yarn guide sleeve (2) can swing along the directions of the yarns and acting force thereof;
a telescopic adjusting mechanism (3) is arranged in the lower side wall of the lower yarn feeding hole (131), one end of the telescopic adjusting mechanism (3) is abutted against the outer side wall of one end of the ellipsoidal yarn guide sleeve (2) so as to provide elasticity for the ellipsoidal yarn guide sleeve (2) along the direction of yarn acting force, and the elasticity of the telescopic adjusting mechanism (3) is adjustable;
the telescopic adjusting mechanism (3) comprises a telescopic guide post (31), an adjusting spring (32) and an adjusting screw (33); the lower side wall of the lower yarn feeding hole (131) is provided with an adjusting screw hole (133), the telescopic guide pillar (31) is connected in the adjusting screw hole (133) in a sliding mode, the adjusting spring (32) is located in the adjusting screw hole (133), the adjusting screw (33) is in threaded connection with the adjusting screw hole (133), and the adjusting screw (33) abuts against the adjusting spring (32).
2. The adaptive yarn feeder capable of smoothly discharging yarns at high speed according to claim 1, characterized in that:
the outer side wall of the ellipsoidal yarn guide sleeve (2) is provided with a ball head hole (21), the lower yarn feeding hole (131) is provided with a rotating shaft telescopic mechanism (4) along the direction perpendicular to the acting force direction of yarns, and the rotating shaft telescopic mechanism (4) is rotationally connected with the ball head hole (21).
3. The adaptive yarn feeder capable of smoothly discharging yarns at high speed according to claim 2, characterized in that:
the rotating shaft telescopic mechanism (4) comprises a telescopic step shaft (43), a rotating shaft spring (42) and a pin column (41);
a step hole (132) is formed in the side wall of the lower yarn feeding hole (131), the telescopic step shaft (43) is connected to one end of the step hole (132) in a sliding mode, and the telescopic step shaft (43) is connected to the bulb hole (21) in a rotating mode;
the rotating shaft spring (42) is located in the step hole (132) and abuts against the telescopic step shaft (43), and the pin column (41) is connected to the other end of the step hole (132) in an interference fit mode so that the rotating shaft spring (42) is limited in the step hole (132).
4. The adaptive yarn feeder capable of smoothly discharging yarns at high speed according to claim 1, characterized in that:
one end of the adjusting screw hole (133) close to the lower yarn feeding hole (131) is provided with a stepped sliding hole, and the telescopic guide pillar (31) is connected with the stepped sliding hole in a sliding manner.
5. The adaptive yarn feeder capable of smoothly discharging yarns at high speed according to claim 2, characterized in that:
two lower yarn feeding holes (131) are arranged, and the bulb hole (21) penetrates through one lower yarn feeding hole (131) and is communicated with the other lower yarn feeding hole (131); the ball head hole (21) is provided with a step hole (132) with a gradually reduced hole diameter along the depth direction.
6. The adaptive yarn feeder capable of smoothly discharging yarns at high speed according to claim 1, characterized in that:
the yarn feeder is characterized in that an L-shaped plate (11) is arranged at the upper end of the yarn feeder body (1), a yarn feeding hole (111) is formed in the L-shaped plate (11), and the L-shaped plate (11) is rotatably connected with the yarn feeder body (1) to adjust the fixed angle of the L-shaped plate (11).
7. The adaptive yarn feeder capable of smoothly discharging yarns at high speed according to claim 6, characterized in that:
the middle part of the yarn feeder body (1) is provided with an elastic connecting piece (12).
8. The adaptive yarn feeder capable of smoothly discharging yarns at high speed according to claim 1, characterized in that:
the material of the ellipsoid yarn guide sleeve (2) is ceramic, and an enamel layer is arranged on the surface of the ellipsoid yarn guide sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010370549.5A CN111519329B (en) | 2020-05-05 | 2020-05-05 | Self-adaptive yarn feeder capable of smoothly discharging yarn at high speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010370549.5A CN111519329B (en) | 2020-05-05 | 2020-05-05 | Self-adaptive yarn feeder capable of smoothly discharging yarn at high speed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111519329A CN111519329A (en) | 2020-08-11 |
| CN111519329B true CN111519329B (en) | 2022-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010370549.5A Active CN111519329B (en) | 2020-05-05 | 2020-05-05 | Self-adaptive yarn feeder capable of smoothly discharging yarn at high speed |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012255225A (en) * | 2011-06-08 | 2012-12-27 | Precision Fukuhara Works Ltd | Yarn-guiding device in circular knitting machine |
| CN204356489U (en) * | 2014-11-19 | 2015-05-27 | 石狮市鑫隆针织机械有限公司 | Straight pull yarn feeder special on a kind of little circular knitting machine |
| CN204508435U (en) * | 2015-03-14 | 2015-07-29 | 杭州杭迪纺织有限公司 | For the thread-carrier of yarn winder |
| CN204825242U (en) * | 2015-08-08 | 2015-12-02 | 蔡清扎 | A go out yarn angularly adjustable hello yarn mouth for big circular knitting machine |
| CN207468829U (en) * | 2017-10-31 | 2018-06-08 | 绍兴柯桥三和纺织服饰有限公司 | A kind of yarn feeding mouth of large circle machine |
| CN209619577U (en) * | 2018-12-29 | 2019-11-12 | 绍兴美科针纺有限公司 | A kind of large circle machine yarn feeding device |
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2020
- 2020-05-05 CN CN202010370549.5A patent/CN111519329B/en active Active
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