CN220149789U - Yarn feeding roller shaft of braiding machine - Google Patents
Yarn feeding roller shaft of braiding machine Download PDFInfo
- Publication number
- CN220149789U CN220149789U CN202321639631.9U CN202321639631U CN220149789U CN 220149789 U CN220149789 U CN 220149789U CN 202321639631 U CN202321639631 U CN 202321639631U CN 220149789 U CN220149789 U CN 220149789U
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- China
- Prior art keywords
- feeding roller
- driven
- roller shaft
- yarn
- shaft
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- 238000009954 braiding Methods 0.000 title claims abstract description 20
- 238000009940 knitting Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 description 5
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Knitting Machines (AREA)
Abstract
The utility model provides a yarn feeding roller shaft of a braiding machine, which comprises a first fixing frame fixed on the lower side of the braiding machine, wherein a driving feeding roller shaft is rotatably arranged on the first fixing frame, a second fixing frame is fixed on the upper side of the braiding machine, a driven feeding roller shaft is rotatably arranged on the second fixing frame, the driving feeding roller shaft and the driven feeding roller shaft are mutually matched to convey yarns to the braiding machine, an included angle A is formed between the connecting line of the central point of the driving feeding roller shaft and the central point of the driven feeding roller shaft and the straight line of the driving feeding roller shaft in the vertical direction, so that the backward inclination angle of the yarns is relatively smaller, the downward pulling force of the yarns to the driven feeding roller shaft is large, the yarns and the top ends of the driven feeding roller shafts are tightly attached together by the pulling force, and each yarn is tensioned and cannot loosen, so that the braided product is flat and has good quality.
Description
Technical Field
The utility model relates to the technical field of yarn feeding roll shafts, in particular to a yarn feeding roll shaft of a braiding machine.
Background
Carbon fiber cloth needs to compile the shaping with carbon fiber yarn through the braider, carbon fiber yarn twines on yarn axle generally, then follow the yarn axle and pass through the transport of multiunit feed roll axle, carry the braider with yarn, initiative feed roll axle and driven feed roll axle on the market at present all are driven feed roll axle setting directly over initiative feed roll axle, the yarn is transmitted from between two feed roll axles like this, the backward inclination of yarn is bigger, and then the yarn is just little for driven feed roll axle decurrent pulling force, the too little pull can lead to the yarn can not laminate with driven feed roll axle's top is whole, lead to the yarn to draw the loose, thereby lead to yarn unevenness, the fiber cloth that gets into the weaving also can be uneven, influence the quality of knitting cloth. In view of this, overcoming the defects in the prior art is a problem to be solved in the art.
Disclosure of Invention
In order to make up for the defects, the utility model provides a yarn feeding roller shaft of a braiding machine, which aims to solve the problems that the downward tension is small and the yarn is not tightly pulled easily caused by the vertical arrangement of the yarn feeding roller shaft.
The utility model is realized in the following way: the utility model provides a yarn feeding roller shaft of a braiding machine, which comprises a first fixing frame fixed on the lower side of the braiding machine, wherein a driving feeding roller shaft is rotatably arranged on the first fixing frame, a second fixing frame is fixed on the upper side of the braiding machine, a driven feeding roller shaft is rotatably arranged on the second fixing frame, the driving feeding roller shaft and the driven feeding roller shaft are mutually matched to convey yarns to the braiding machine, and an included angle A is formed between a connecting line of central points of the driving feeding roller shaft and the driven feeding roller shaft and a straight line of the driving feeding roller shaft in the vertical direction.
In one embodiment of the utility model, the included angle a is 40-55 °.
In one embodiment of the utility model, two sides of the driven feeding roller shaft are provided with the adjusting mechanisms, each adjusting mechanism comprises a base, one side of the lower end of the base is provided with a first mounting hole, a rotating shaft is arranged in each first mounting hole, two ends of each rotating shaft are rotatably provided with fixing plates, each fixing plate is fixedly arranged at two ends of each first mounting hole, a driving piece is fixedly arranged on each rotating shaft, one side of each driving piece is in transmission connection with a driven piece, the second mounting holes are formed in the vertical direction of the base, each driven piece penetrates through each second mounting hole, each driven piece is in sliding connection with the corresponding second mounting hole, each driving piece can drive the corresponding driven piece to move up and down in each second mounting hole, and a limiting ring is rotatably arranged at the upper end of each driven piece and sleeved at the end of each driven feeding roller shaft, so that each driven piece can drive the corresponding driven feeding roller shaft to move up and down.
In one embodiment of the present utility model, the driving member is a gear and the driven member is a rack.
In one embodiment of the present utility model, the second fixing frame is provided with an adjusting hole, and two ends of the driven feeding roller shaft penetrate through the adjusting hole.
In one embodiment of the utility model, the adjustment aperture is an elongated aperture.
In one embodiment of the utility model, a hand wheel is fixed at one end of the rotating shaft, and the hand wheel is arranged at the outer side of the base.
In one embodiment of the utility model, the side wall of the limiting ring is provided with a limiting pin, and the limiting pin penetrates through the side wall of the limiting ring and is abutted against the driven feeding roller shaft in the limiting ring.
The beneficial effects of the utility model are as follows:
1. the central point connecting line of the driving feeding roller shaft and the driven feeding roller shaft is set to form an included angle A with a straight line in the vertical direction of the driving feeding roller shaft, the included angle ranges from 40 degrees to 55 degrees, so that the backward inclination angle of the yarns is relatively smaller, the downward tension of the yarns to the driven feeding roller shaft is large, the yarns are tightly attached to the top end of the driven feeding roller shaft due to the large tension, each yarn is tensioned and cannot loosen, and a product woven by the braiding machine is flat and has good quality;
2. the rotary shaft is rotated through the hand wheel, the driving piece is driven to rotate through the rotary shaft, the driven piece is driven to move up and down through rotation of the driving piece, the driven piece is driven to move up and down through the limiting ring, two ends of the driven feeding roller shaft are installed on the limiting ring, the adjustment of the upper and lower positions of the driven feeding roller shaft is achieved, the position of the driving feeding roller shaft is unchanged, the vertical height of the driven feeding roller shaft is changed, an included angle A between the driven feeding roller shaft is changed, the downward tension of yarns can be changed under the same tension of the included angle A, the downward tension of yarns can be changed through the change of the height of the driven feeding roller shaft, and better products can be woven according to the tension of the yarns in the working process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the mounting positions of a driving feed roll shaft and a driven feed roll shaft with a knitting machine according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram II of the installation positions of a driving feeding roll shaft, a driven feeding roll shaft and a braiding machine according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a vertical installation of a driving feed roller shaft and a driven feed roller shaft according to an embodiment of the present utility model;
FIG. 4 is a schematic view illustrating the oblique installation of a driving feed roller shaft and a driven feed roller shaft according to an embodiment of the present utility model;
FIG. 5 is a graph showing analysis of yarn stress between a driving feed roller shaft and a driven feed roller shaft according to an embodiment of the present utility model;
FIG. 6 is an exploded view of an adjustment mechanism according to an embodiment of the present utility model;
FIG. 7 is a schematic view of an internal structure of an adjusting mechanism according to an embodiment of the present utility model;
FIG. 8 is a schematic view of a structure of an adjustment hole according to an embodiment of the present utility model;
fig. 9 is a schematic diagram of a positional relationship between a stop pin, a stop ring and a driven feeding roller shaft according to an embodiment of the present utility model.
In the figure: 100. braiding machine; 110. a first fixing frame; 111. a driving feeding roller shaft; 120. the second fixing frame; 1201. an adjustment aperture; 121. driven feeding roll shafts; 200. an adjusting mechanism; 210. a base; 211. a first mounting hole; 212. a second mounting hole; 220. a rotating shaft; 221. a hand wheel; 230. a fixing plate; 240. a driving member; 250. a follower; 260. a limiting ring; 261. and a limiting pin.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1 and 2, the present utility model provides a yarn feeding roller of a knitting machine, including two symmetrically arranged first fixing frames 110 fixed on the lower side of a knitting machine 100, a driving feeding roller shaft 111 rotatably installed between the two first fixing frames 110, the driving feeding roller shaft 111 being rotated by a driving motor (not shown in the drawings), two second fixing frames 120 being fixed on the upper side of the knitting machine 100, a driven feeding roller shaft 121 rotatably installed between the two second fixing frames 120, the driving feeding roller shaft 111 and the driven feeding roller shaft 121 being mutually matched to feed yarn to the knitting machine 100;
referring to fig. 3, the driving feeding roller shaft 111 and the driven feeding roller shaft 121 in the market at present are both arranged right above the driving feeding roller shaft 111, so that the yarn is transmitted between the two feeding roller shafts, the backward inclination angle of the yarn is relatively large, the downward tension of the yarn to the driven feeding roller shaft is small, the yarn cannot be fully attached to the top end of the driven feeding roller shaft 121 due to the too small tension, the yarn is not tightly pulled, the yarn is uneven, the woven fiber cloth is uneven, and the quality of the woven cloth is affected;
referring to fig. 4 and 5, in order to solve the above problems, the inventor sets that the line connecting the central points of the driving feeding roller shaft 111 and the driven feeding roller shaft 121 has an included angle a with the straight line of the vertical direction of the driving feeding roller shaft 111, that is, the driven feeding roller shaft 121 is not arranged right above the driving feeding roller shaft 111, but is obliquely arranged at one side, so that the backward inclination angle of the yarn is relatively smaller, and further the downward tension of the yarn to the driven feeding roller shaft 121 is large, the tension can make the yarn tightly attached to the top end of the driven feeding roller shaft 121, and further each yarn is tensioned and not loosened, so that the product woven by the braiding machine is flat and has good quality;
through a plurality of experiments of the inventor, when the included angle A is in the range of 40-55 degrees, the downward tension on the yarn can enable the yarn to be tightly attached to the driven feeding roller shaft 121, the yarn is tensioned and cannot loosen, and the tensioning force cannot be too large, so that the yarn is easy to break or the driven feeding roller shaft 121 is too large in tension, so that deformation is caused.
Referring to fig. 1, 6 and 7, specifically, two sides of a driven feeding roller shaft 121 are provided with an adjusting mechanism 200, the adjusting mechanism 200 includes a base 210, one side of the lower end of the base 210 is provided with a first mounting hole 211 horizontally arranged, a rotating shaft 220 is arranged in the first mounting hole 211, two ends of the rotating shaft 220 are rotatably provided with a fixing plate 230, the fixing plate 230 is fixedly arranged at two ends of the first mounting hole 211, preferably, one end of the rotating shaft 220 is fixedly provided with a hand wheel 221, the hand wheel 221 is arranged at the outer side of the base 210, the rotating shaft 220 is driven to rotate by rotating the hand wheel 221, so that the movement of a driving member 240 is facilitated, the labor is saved, the operation is facilitated, the driving member 240 is fixed on the rotating shaft 220 by a key, one side of the driving member 240 is in transmission connection with a driven member 250, the driving member 240 is a gear, the driven member 250 is a rack, and the rotation of the gear can drive the rack to move up and down;
referring to fig. 6 and 7, a second mounting hole 212 is formed in the vertical direction of the base 210, the driven member 250 penetrates through the second mounting hole 212, the driven member 250 is slidably connected in the second mounting hole 212, the driving member 240 can drive the driven member 250 to move up and down in the second mounting hole 212, the upper end portion of the driven member 250 is rotatably provided with a limiting ring 260, the limiting ring 260 is sleeved at the end portion of the driven feeding roller shaft 121, and the driven member 250 can further drive the driven feeding roller shaft 121 to move up and down.
Referring to fig. 8, it should be noted that an adjusting hole 1201 is formed in the second fixing frame 120, two ends of the driven feeding roller shaft 121 penetrate through the adjusting hole 1201, and the adjusting hole 1201 is a long hole, so that the driven feeding roller shaft 121 can move up and down in the adjusting hole 1201, thereby realizing the height adjustment of the driven feeding roller shaft 121.
Referring to fig. 6 and 9, in addition, a limiting pin 261 is disposed on a side wall of the limiting ring 260, the limiting pin 261 is in threaded connection with a side wall of the limiting ring 260, the limiting pin 261 penetrates through the side wall of the limiting ring 260 and abuts against the driven feeding roller shaft 121 in the limiting ring 260, two ends of the driven feeding roller shaft 121 rotate in the limiting ring 260 for a long time, abrasion of an inner wall of the limiting ring 260 can be caused, after the limiting ring 260 is worn, a gap is formed between an outer wall of the driven feeding roller shaft 121 and an inner wall of the limiting ring 260 in a matched manner, so that the driven feeding roller shaft 121 can jump in the limiting ring 260, yarns are driven to jump, uneven stress of the yarns can be caused, uneven weaving products can be caused, and the bottom end of the limiting pin 261 penetrates through the side wall of the limiting ring 260 and abuts against the upper top surface of the driven feeding roller shaft 121, so that the limiting pin 261 can block and limit the driven feeding roller shaft 121, and the driven feeding roller shaft 121 can not jump up and down.
The rotating shaft 220 is rotated through the hand wheel 221, the rotating shaft 220 drives the driving piece 240 to rotate, the driven piece 250 is driven to move up and down by rotation of the driving piece 240, the driven piece 250 drives the limiting ring 260 to move up and down, two ends of the driven feeding roller shaft 121 are arranged on the limiting ring 260, the vertical position of the driven feeding roller shaft 121 is adjusted, the position of the driving feeding roller shaft 111 is unchanged, the vertical height of the driven feeding roller shaft 121 is changed, an included angle A between the driven feeding roller shaft and the driven feeding roller shaft is changed, the downward tension of yarns can be changed under the same tension of the included angle A, the downward tension of yarns can be changed by changing the height of the driven feeding roller shaft 121, and better products can be woven by adjusting the tension of the yarns according to actual conditions in the working process.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides a braider yarn feed roller, includes first mount (110) of fixing in loom (100) downside, rotate on first mount (110) and install initiative feeding roller (111), the upside of braider (100) is fixed with second mount (120), rotate on second mount (120) and install driven feeding roller (121), initiative feeding roller (111) and driven feeding roller (121) mutually support and give braider (100) and carry the yarn, its characterized in that, the central point connecting line of initiative feeding roller (111) and driven feeding roller (121) has contained angle A with the straight line of the vertical direction of initiative feeding roller (111).
2. A knitting machine feed roll as claimed in claim 1, characterized in that the angle a is 40-55 °.
3. The yarn feeding roller shaft of the braiding machine according to claim 1, wherein the two sides of the driven feeding roller shaft (121) are provided with an adjusting mechanism (200), the adjusting mechanism (200) comprises a base (210), a first mounting hole (211) is formed in one side of the lower end of the base (210), a rotating shaft (220) is arranged in the first mounting hole (211), fixing plates (230) are rotatably arranged at two ends of the rotating shaft (220), driving pieces (240) are fixedly arranged at two ends of the first mounting hole (211) on the rotating shaft (220), one side of the driving pieces (240) is in transmission connection with driven pieces (250), a second mounting hole (212) is formed in the vertical direction of the base (210), the driven pieces (250) penetrate through the second mounting hole (212), the driven pieces (250) can move up and down in the second mounting hole (212), driven pieces (240) can move up and down, driven pieces (250) can move up and down, and driven pieces (250) can move up and down ends of the driven pieces (121) to be connected with the driven pieces (250).
4. A knitting machine feed roll as claimed in claim 3, characterized by that the driving member (240) is a gear and the driven member (250) is a rack.
5. A yarn feeding roller shaft for a braiding machine according to claim 3, wherein the second fixing frame (120) is provided with an adjusting hole (1201), and two ends of the driven feeding roller shaft (121) penetrate through the adjusting hole (1201).
6. A knitting machine feed roll shaft as claimed in claim 5, characterized in that the adjustment hole (1201) is a slit.
7. A yarn feeding roller shaft for a braiding machine according to claim 3, wherein a hand wheel (221) is fixed at one end of the rotating shaft (220), and the hand wheel (221) is arranged at the outer side of the base (210).
8. A yarn feeding roller shaft for a braiding machine according to claim 3, wherein a limiting pin (261) is arranged on the side wall of the limiting ring (260), and the limiting pin (261) penetrates through the side wall of the limiting ring (260) and is in interference with the driven feeding roller shaft (121) in the limiting ring (260).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321639631.9U CN220149789U (en) | 2023-06-27 | 2023-06-27 | Yarn feeding roller shaft of braiding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321639631.9U CN220149789U (en) | 2023-06-27 | 2023-06-27 | Yarn feeding roller shaft of braiding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220149789U true CN220149789U (en) | 2023-12-08 |
Family
ID=89015481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321639631.9U Active CN220149789U (en) | 2023-06-27 | 2023-06-27 | Yarn feeding roller shaft of braiding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220149789U (en) |
-
2023
- 2023-06-27 CN CN202321639631.9U patent/CN220149789U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |