CN220665596U - Yarn feeding device of hosiery machine - Google Patents
Yarn feeding device of hosiery machine Download PDFInfo
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- CN220665596U CN220665596U CN202322114587.6U CN202322114587U CN220665596U CN 220665596 U CN220665596 U CN 220665596U CN 202322114587 U CN202322114587 U CN 202322114587U CN 220665596 U CN220665596 U CN 220665596U
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- 238000009940 knitting Methods 0.000 claims abstract description 17
- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model provides a yarn feeding device of a knitting hosiery machine, which solves the problems of yarn feeding tension adjustment and the like and comprises a feeding main shaft, wherein feeding tray bodies are respectively arranged at two ends of the feeding main shaft, a plurality of beam-converging assemblies are arranged between the feeding tray bodies, a driving assembly for driving the beam-converging assemblies to rotate is arranged between the feeding tray bodies, the feeding main shaft is rotationally connected with a supporting frame body, and yarn guiding assemblies opposite to the beam-converging assemblies are arranged on the supporting frame body. The utility model has the advantages of good tension adjusting effect, stable structure and the like.
Description
Technical Field
The utility model belongs to the technical field of hosiery knitting machines, and particularly relates to a yarn feeding device of a hosiery knitting machine.
Background
The hosiery machine can be classified by the needle bed form, the type of knitting needle and the number of needle cylinders. The yarn feeding mechanism has the function of leading out yarn from a bobbin and feeding the yarn into a knitting area, and the yarn feeding mechanism has two types of negative type and positive type. The negative yarn feeding is to draw the yarn from the bobbin by tension, and the tension difference of the yarn is still larger although the tension and the feeding amount are controlled by the tensioner and the tension compensation device. The positive yarn feeding is performed by a special device, so that the yarn is fed into the knitting area at a constant linear speed, and the yarn tension difference is small. In actual use, the existing positive yarn feeding device has high requirements on yarn tension adjustment precision, and cannot adjust tension adjustment ranges in time for different yarns.
In order to solve the defects existing in the prior art, long-term exploration is performed, and various solutions are proposed. For example, chinese patent literature discloses a device [201880035941.5] for feeding one or more yarns to a knitting machine for hosiery or the like, comprising a support structure supporting at least one yarn guide having an elongated shape and pivoting at a central portion thereof to the support structure about a corresponding rotation axis and having, proximally to a longitudinal end thereof, a channel for one or more yarns to be fed to a knitting forming machine, the device for feeding one or more yarns comprising electromagnetic actuation means acting on command on at least one yarn guide to rotate the at least one yarn guide relative to the support structure about the corresponding rotation axis from an inactive position to at least one active position angularly spaced about the rotation axis relative to the inactive position; or vice versa, the electromagnetic actuation means comprise at least one magnet fixed to at least one yarn guide and at least one electrical coil laterally adjacent to at least one yarn guide and connected to the supporting structure.
The above solution solves the yarn feeding problem to a certain extent, but the solution still has a number of drawbacks, such as inconvenient tension adjustment during active yarn feeding.
Disclosure of Invention
The utility model aims at solving the problems and provides a yarn feeding device of a knitting and hosiery machine, which is reasonable in design and convenient to adjust the yarn tension range.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the yarn feeding device of the hosiery machine comprises a feeding main shaft, feeding disc bodies are respectively arranged at two ends of the feeding main shaft, a plurality of beam-converging assemblies are arranged between the feeding disc bodies, a driving assembly for driving the beam-converging assemblies to rotate is arranged between the feeding disc bodies, the feeding main shaft is rotationally connected with a supporting frame body, and yarn guiding assemblies opposite to the beam-converging assemblies are arranged on the supporting frame body.
In the yarn feeding device of the hosiery machine, the feeding main shaft and the feeding disc body are fixedly connected in an inserting mode through the spline and the pin shaft, and the roller bearing is rotatably arranged between the feeding main shaft and the supporting frame body.
In the yarn feeding device of the hosiery machine, the beam-converging assembly comprises a beam-converging shaft rotatably arranged between the feeding disc bodies, two ends of the beam-converging shaft are connected with a compression shaft parallel to the beam-converging shaft through beam-converging arms, the outer side of the beam-converging shaft is rotatably provided with a yarn guide roller, and the outer side of the compression shaft is rotatably provided with a compression roller.
In the yarn feeding device of the hosiery machine, the driving assembly comprises a driving motor arranged on the feeding disc body, the driving motor is meshed with a planetary gear set encircling along the circumferential direction of the feeding disc body for transmission, and the planetary gear set is meshed with a driving gear fixed at the end of the converging shaft for transmission.
In the yarn feeding device of the hosiery machine, a locking component is arranged between the feeding disc body and the end of the compacting shaft, and a limiting component is arranged between the feeding disc body and the end of the compacting shaft.
In the yarn feeding device of the hosiery machine, the limiting assembly comprises a limiting groove arranged on the inner side of the feeding disc body, the limiting groove is arc-shaped, the arc center is matched with the central axis of the converging shaft, and a limiting block in sliding connection with the limiting groove is arranged at the end of the compacting shaft.
In the yarn feeding device of the hosiery machine, the locking assembly comprises a locking groove arranged on the limiting block, a locking rack meshed with the locking groove and tightly pressed is telescopically arranged at the inner side of the limiting groove, and an electric push rod in transmission connection with the locking rack is arranged on the feeding disc body.
In the yarn feeding device of the hosiery machine, the support frame comprises support vertical plates which are symmetrically arranged and triangular, a plurality of support transverse plates which are positioned on two sides and below the feeding disc body and the converging assembly are connected between the support vertical plates, and the yarn guiding assembly is arranged between the support vertical plates.
In the yarn feeding device of the hosiery machine, the yarn guiding assembly comprises a yarn guiding plate connected between the supporting vertical plates, a plurality of yarn guiding grooves with upward openings are arranged on the yarn guiding plate, and yarn guiding rollers are rotatably arranged at the bottoms of the yarn guiding grooves.
In the yarn feeding device of the hosiery machine, the supporting transverse plate and the supporting vertical plate are provided with a plurality of mounting holes and mounting plates extending outwards.
Compared with the prior art, the utility model has the advantages that: the feeding disc body is connected with an external driving structure to actively feed yarns, wherein a plurality of groups of beam-converging assemblies are used for adjusting the tension of the yarns, so that the tension adjusting precision of the yarns is improved; the support frame body, the yarn guide assembly and the hosiery machine are combined to adapt to different yarn feeding requirements of the hosiery machine; the locking component and the limiting component ensure that the converging component operates stably, and the yarn feeding quality is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a partial schematic view of the present utility model;
FIG. 3 is a partial schematic view of the present utility model;
FIG. 4 is a partial cross-sectional view of the present utility model;
in the figure, a supply main shaft 1, a supply disc 2, a take-up unit 3, a take-up shaft 31, a take-up arm 32, a pressing shaft 33, a yarn guide roller 34, a pressing roller 35, a driving unit 4, a driving motor 41, a planetary gear set 42, a driving gear 43, a support frame 5, a support vertical plate 51, a support cross plate 52, a yarn guide unit 6, a yarn guide plate 61, a yarn guide groove 62, a yarn guide roller 63, a locking unit 7, a locking groove 71, a locking rack 72, an electric push rod 73, a limiting unit 8, a limiting groove 81, and a limiting block 82.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1 to 4, a yarn feeding device of a knitting machine comprises a feeding main shaft 1 which is horizontally arranged, wherein two ends of the feeding main shaft 1 are respectively provided with a feeding disc body 2, and a space for guiding yarns is reserved between the two ends of the feeding main shaft 1. A plurality of beam-converging assemblies 3 are arranged between the feeding disc bodies 2 to limit yarn conduction tracks, a driving assembly 4 for driving the beam-converging assemblies 3 to rotate is arranged between the feeding disc bodies 2, and the tensioning force of yarns is adjusted along with the driving assembly 4 when the beam-converging assemblies 3 are driven to rotate. The feed spindle 1 is rotationally connected with the support frame body 5, the support frame body 5 is provided with a yarn guide assembly 6 opposite to the beam-converging assembly 3, the support frame body 5 and the hosiery machine are installed and fixed in relative directions, and the yarn guide assembly 6 separates yarns and ensures that the yarns cannot interfere with other parts of the knitting machine.
As shown in fig. 2, the whole feeding device is of a detachable structure, and the feeding main shaft 1 and the feeding disc body 2 are fixed in a plugging manner through a spline and a pin shaft, and are assembled and fixed according to actual needs. The roller bearing is rotatably arranged between the supply main shaft 1 and the support frame body 5 to ensure the rotation lubricity, and the whole main shaft 1 and the supply disc body 2 rotate relative to the support frame body 5.
In depth, the converging assembly 3 comprises converging shafts 31 rotatably mounted between the feed trays 2, each converging shaft 31 providing a certain supporting balance to the feed tray 2. The two ends of the beam-gathering shaft 31 are connected with a compression shaft 33 parallel to the beam-gathering shaft 31 through a beam-gathering arm 32, a yarn guide roller 34 is rotatably arranged on the outer side of the beam-gathering shaft 31, and a compression roller 35 is rotatably arranged on the outer side of the compression shaft 33. While the supply disc 2 and the take-up shaft 31 revolve around the central axis of the main shaft 1, the pressing shaft 33 and the take-up arm 32 rotate around the central axis of the take-up shaft 31, and the rotation rate and direction thereof are regulated by the drive unit 4.
Further, the driving assembly 4 includes a driving motor 41 mounted on the feeding tray 2, the driving motor 41 is engaged with a planetary gear set 42 circumferentially surrounding the feeding tray 2, and the planetary gear set 42 is engaged with a driving gear 43 fixed at the end of the converging shaft 31. The planetary gear set 42 drives the respective take-up shafts 31 to rotate synchronously, and the take-up shafts 31 and the compression shafts 33 are kept to rotate at a low speed and a high torque under the variable transmission action, so that sufficient tightening torque is provided for yarns.
Further, a locking component 7 is arranged between the feeding disc 2 and the end of the pressing shaft 33 to stop the pressing shaft 33, and a limiting component 8 is arranged between the feeding disc 2 and the end of the pressing shaft 33. During the rotation of the compression shaft 33, both ends are kept stable with the feeding tray 2 by the limiting assembly 8, and the adjusting range of the feeding tray is limited by the limiting assembly 8.
In addition, the limiting assembly 8 comprises a limiting groove 81 arranged on the inner side of the feeding disc body 2, the limiting groove 81 is arc-shaped, an arc center is matched with the central axis of the beam-converging shaft 31, and a limiting block 82 in sliding connection with the limiting groove 81 is installed at the end of the pressing shaft 33. When the compression shaft 33 rotates relative to the axis of the arc center of the limit groove 81, the limit block 82 and the limit groove 81 realize radial and axial limit.
Meanwhile, the locking assembly 7 comprises a locking groove 71 arranged on a limiting block 82, a locking rack 72 meshed with the locking groove 71 and pressed tightly is telescopically arranged on the inner side of the limiting groove 81, and an electric push rod 73 connected with the locking rack 72 in a transmission manner is arranged on the feeding disc body 2. The electric push rod 73 pushes the locking rack 72 to be in plug-in engagement with the locking groove 71,
as shown in fig. 1, unlike the conventional supporting structure, the supporting frame body 5 in the present application includes supporting vertical plates 51 symmetrically arranged and in a triangular shape, and a plurality of supporting transverse plates 52 located at both sides and below the feeding tray body 2 and the beam-converging assembly 3 are connected between the supporting vertical plates 51, and the supporting transverse plates 52 are fixed to the corresponding hosiery knitting machine through screws. The yarn guide assembly 6 is disposed between the support risers 51 in direct contact with the yarn.
Obviously, the existing yarn guiding structure generally adopts a roller structure, so that corresponding clamping moment cannot be applied in the guiding process, and yarn switching is inconvenient. The yarn guiding assembly 6 in the present application comprises a yarn guiding plate 61 connected between the supporting vertical plates 51, a plurality of yarn guiding grooves 62 with upward openings are arranged on the yarn guiding plate 61, and yarn guiding rollers 63 are rotatably installed at the bottoms of the yarn guiding grooves 62. The yarn guide plate 61 cooperates with other clamping structures to temporarily clamp the yarn and prevent warp knitting transfer.
Preferably, the support cross plate 52 and the support vertical plate 51 are provided with a plurality of mounting holes and mounting plates extending outwards. The supporting transverse plate 52 and the supporting vertical plate 51 can be limited and fixed by using screw members or adopting a riveting mode.
In summary, the principle of this embodiment is as follows: the feed spindle 1 and the feed discs 2 are rotated relative to the support frame 5 by an external drive, wherein the drawing assembly 3 between the feed discs 2 adjusts the yarn tightening torque from multiple directions by the drive assembly 4.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although terms such as the supply main shaft 1, the supply tray 2, the take-up unit 3, the take-up shaft 31, the take-up arm 32, the pressing shaft 33, the yarn guide roller 34, the pressing roller 35, the driving unit 4, the driving motor 41, the planetary gear set 42, the driving gear 43, the support frame 5, the support riser 51, the support cross plate 52, the yarn guide unit 6, the yarn guide plate 61, the yarn guide groove 62, the yarn guide roller 63, the locking unit 7, the locking groove 71, the locking rack 72, the electric push rod 73, the limiting unit 8, the limiting groove 81, the limiting block 82 are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides a yarn feeding device of hosiery machine, includes supply main shaft (1), supply main shaft (1) both ends install respectively and supply disk body (2), its characterized in that, supply disk body (2) between install a plurality of beam assemblies (3), supply disk body (2) between install drive beam assemblies (3) pivoted drive assembly (4), supply main shaft (1) and support frame body (5) rotate and be connected and support frame body (5) on be provided with yarn guide assembly (6) relative with beam assemblies (3).
2. Yarn feeding device for hosiery knitting machine according to claim 1, characterized in that the feeding main shaft (1) and the feeding disc body (2) are fixed by spline and pin shaft, and the roller bearing is rotatably installed between the feeding main shaft (1) and the supporting frame body (5).
3. A yarn feeding device for a hosiery machine according to claim 1, characterized in that the closing assembly (3) comprises a closing shaft (31) rotatably mounted between the feeding trays (2), two ends of the closing shaft (31) are connected with a compressing shaft (33) parallel to the closing shaft (31) through a closing arm (32), a yarn guiding roller (34) is rotatably mounted on the outer side of the closing shaft (31), and a compressing roller (35) is rotatably mounted on the outer side of the compressing shaft (33).
4. A yarn feeding device for a hosiery knitting machine as claimed in claim 3, characterized in that the driving assembly (4) comprises a driving motor (41) mounted on the feeding tray body (2), the driving motor (41) is in meshed transmission with a planetary gear set (42) circumferentially encircling the feeding tray body (2), and the planetary gear set (42) is in meshed transmission with a driving gear (43) fixed at the end of the take-up shaft (31).
5. A yarn feeding device for a hosiery machine according to claim 3, characterized in that a locking assembly (7) is arranged between the feeding tray body (2) and the end of the pressing shaft (33), and a limiting assembly (8) is arranged between the feeding tray body (2) and the end of the pressing shaft (33).
6. The yarn feeding device for the hosiery machine according to claim 5, characterized in that the limiting assembly (8) comprises a limiting groove (81) arranged on the inner side of the feeding disc body (2), the limiting groove (81) is arc-shaped, the arc center is matched with the central axis of the converging shaft (31), and a limiting block (82) which is in sliding connection with the limiting groove (81) is arranged at the end of the compressing shaft (33).
7. The yarn feeding device for the hosiery machine according to claim 6, wherein the locking assembly (7) comprises a locking groove (71) arranged on a limiting block (82), a locking rack (72) meshed with the locking groove (71) for compression is arranged on the inner side of the limiting groove (81) in a telescopic manner, and an electric push rod (73) in transmission connection with the locking rack (72) is arranged on the feeding disc body (2).
8. Yarn feeding device for hosiery knitting machine according to claim 1, characterized in that the supporting frame (5) comprises supporting vertical plates (51) which are symmetrically arranged and are triangular, a plurality of supporting transverse plates (52) which are positioned at both sides and below the feeding tray body (2) and the beam-converging component (3) are connected between the supporting vertical plates (51), and the yarn guiding component (6) is arranged between the supporting vertical plates (51).
9. Yarn feeding device for a hosiery knitting machine according to claim 8, characterized in that the yarn guiding assembly (6) comprises a yarn guiding plate (61) connected between the supporting vertical plates (51), a plurality of yarn guiding grooves (62) with upward openings are arranged on the yarn guiding plate (61), and yarn guiding rollers (63) are rotatably arranged at the bottoms of the yarn guiding grooves (62).
10. Yarn feeding device for a hosiery machine according to claim 8, characterized in that the supporting cross plate (52) and the supporting vertical plate (51) are provided with mounting holes and outwardly extending mounting plates.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322114587.6U CN220665596U (en) | 2023-08-07 | 2023-08-07 | Yarn feeding device of hosiery machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322114587.6U CN220665596U (en) | 2023-08-07 | 2023-08-07 | Yarn feeding device of hosiery machine |
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CN220665596U true CN220665596U (en) | 2024-03-26 |
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CN202322114587.6U Active CN220665596U (en) | 2023-08-07 | 2023-08-07 | Yarn feeding device of hosiery machine |
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CN (1) | CN220665596U (en) |
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2023
- 2023-08-07 CN CN202322114587.6U patent/CN220665596U/en active Active
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