CN210558612U - Tension control device for continuous fiber yarn unwinding - Google Patents
Tension control device for continuous fiber yarn unwinding Download PDFInfo
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- CN210558612U CN210558612U CN201920870173.7U CN201920870173U CN210558612U CN 210558612 U CN210558612 U CN 210558612U CN 201920870173 U CN201920870173 U CN 201920870173U CN 210558612 U CN210558612 U CN 210558612U
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Abstract
The utility model discloses a continuous fibers moves back tension control device of yarn, including locking device, spring pointer calibrated scale, damping area, creel tension adjustment connecting rod, damping tep reel, move back a yarn section of thick bamboo, spacing hole of creel tension adjustment connecting rod and lead screw, take locking device and creel tension adjustment connecting rod to adjust respectively through the damping, solved every spindle yarn group on the whole creel and moved back yarn tension and keep the same and whole creel adjustment tensile difficult problem together. The tension on each spindle can be kept consistent by rotating the nut on the locking device on the screw rod, and the tension is displayed by the dial of the spring pointer; when the spring pointer dial scales on all the spindle yarn withdrawing damping belts are the same, the yarn creel tension adjusting connecting rod can be pulled or pushed by the lead screw at one end of the creel, so that the control tension for withdrawing yarns of all the spindles on the creel can be integrally adjusted; the yarn-withdrawing tension control device does not need a motor, has low cost and simple and uniform tension control, and is suitable for various fiber industries.
Description
Technical Field
The utility model relates to a polymer composite technical field specifically is a tension control device that continuous fibers moved back yarn.
Background
In recent years, blowout development of continuous fiber reinforced thermoplastic composite materials (CFRT) is in the beginning, and with the wide application of continuous fiber reinforced thermoplastic composite materials, customers have higher and higher requirements on the performance and appearance quality of prepregs of the continuous fiber reinforced thermoplastic composite materials. Once the fiber is determined, the performance and appearance quality of the prepreg tape, the yarn spreading of the continuous fiber and the density of resin impregnation are indistinguishable, and if the prepreg tape with uniform yarn spreading and good resin impregnation effect is obtained, the yarn withdrawal tension control of the fiber needs to be considered in an important manner. The yarn withdrawing tension is controlled to be uniform and proper, the distribution directions of fibers in the unidirectional prepreg tape are kept consistent, the collimation is good, buckling and yarn breakage are prevented, and the prepreg tape is high in tensile strength and good in apparent effect due to good fiber collimation.
In the continuous fiber yarn withdrawing equipment, the continuous fiber yarn withdrawing equipment is divided into active yarn withdrawing and passive yarn withdrawing. The most important active yarn withdrawing device for tension control has complex design and high price, the price of a creel is 5000-8000 yuan/spindle, and common manufacturers cannot use the active yarn withdrawing device at all. The passive yarn withdrawing device has simple structure and low price, the price of the creel is 400-1500 yuan/spindle, and the passive yarn withdrawing device is favored by continuous fiber reinforced composite material manufacturers. Because of the structural problem of the passive yarn withdrawing device, friction is generated between a damping belt and a yarn withdrawing shaft, and the tension of the withdrawn yarn is adjusted by adjusting the friction force. However, it is difficult to keep the yarn withdrawal tension of each spindle of yarn group on the whole creel the same, and it is more important to adjust the yarn withdrawal tension of the whole creel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a continuous fibers moves back tension control device of yarn 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: a tension control device for continuous fiber yarn withdrawal comprises a creel, a locking device, a spring pointer dial, a damping belt, a creel tension adjusting connecting rod, a damping belt disc, a yarn withdrawal drum, a creel tension adjusting connecting rod limiting hole and a screw rod, wherein the creel tension adjusting connecting rod is arranged on the creel;
the creel comprises an upper plate body and a lower plate body, wherein the upper plate body and the lower plate body are parallel to each other, the upper plate body and the lower plate body are connected through a first upright post, a second upright post and a third upright post, the first upright post and the second upright post are respectively provided with two, the first upright post is arranged on the outer side of the second upright post, and the third upright post is provided with one upright post and is positioned on the side surface of the upper plate body and the lower plate;
two creel tension adjusting connecting rods are arranged, limiting holes of the creel tension adjusting connecting rods are arranged on the first upright post, and the creel tension adjusting connecting rods penetrate through the limiting holes of the creel tension adjusting connecting rods and are matched with the limiting holes; one ends of the two creel tension adjusting connecting rods are connected through the connecting rod, and the screw rod is arranged on the third upright post and penetrates through the connecting rod of the creel tension adjusting connecting rod;
the locking device is arranged on the creel tension adjusting connecting rod, the second upright post is provided with a yarn withdrawing shaft, and the damping tape disc and the yarn withdrawing cylinder are both arranged on the yarn withdrawing shaft; one end of the damping belt is fixed on the second upright post, the other end of the damping belt is fixed on the locking device, the damping belt penetrates through the damping belt disc, and the spring pointer dial is arranged on the damping belt.
Preferably, the locking devices are provided with a plurality of groups, the groups correspond to the yarn withdrawing shafts one by one, and the locking devices at different positions are aligned up and down, left and right.
Preferably, the locking device comprises a screw and a nut, and the screw and the nut are matched with each other; the creel tension adjusting connecting rod is provided with an installation seat, and the screw penetrates through the installation seat and is fixed on the installation seat through a nut.
Preferably, the spring pointer dial includes a dial, a pointer installed at the center of the dial by a rotation shaft, and a spring connected to the rotation shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the nut on the locking device rotates on the screw rod, and the spring pointer dial can clearly display the acting force of the damping band on the damping band disk, so that the acting force of all the displayed damping bands on the damping band disk of the whole creel can be ensured to be consistent, and further the yarn withdrawing tension of all the yarn spindles is kept consistent;
2. when the spring pointer dial scales on all the spindle yarn withdrawing damping belts are the same, the yarn creel tension adjusting connecting rod can be pulled or pushed by the lead screw at one end of the creel, so that the control tension for withdrawing yarns of all the spindles on the creel can be integrally adjusted;
3. the yarn-withdrawing tension control device does not need a motor, has low cost and simple and uniform tension control, and is suitable for various fiber industries.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation of the yarn withdrawing tube and the damping tape disc of the present invention;
FIG. 3 is a schematic structural view of the dial of the spring pointer of the present invention;
reference numbers in the figures: 1. a locking device; 11. a screw; 12. a nut; 2. a spring pointer dial; 21. a dial scale; 22. a pointer; 23. a spring; 3. a damping band; 4. a creel tension adjusting link; 5. a damping tape reel; 6. a yarn withdrawing cylinder; 7. a creel tension adjusting connecting rod limiting hole; 8. and a screw rod.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 to 3, the present invention provides a technical solution: a tension control device for continuous fiber yarn withdrawal comprises a creel, a locking device 1, a spring pointer dial 2, a damping belt 3, a creel tension adjusting connecting rod 4, a damping belt disc 5, a yarn withdrawal drum 6, a creel tension adjusting connecting rod limiting hole 7 and a screw rod 8, wherein the creel tension adjusting connecting rod 4 is arranged on the creel;
the creel comprises an upper plate body and a lower plate body, wherein the upper plate body and the lower plate body are parallel to each other, the upper plate body and the lower plate body are connected through a first upright post, a second upright post and a third upright post, the first upright post and the second upright post are respectively provided with two, the first upright post is arranged on the outer side of the second upright post, and the third upright post is provided with one upright post and is positioned on the side surface of the upper plate body and the lower plate;
two creel tension adjusting connecting rods 4 are arranged, a creel tension adjusting connecting rod limiting hole 7 is formed in the first upright post, and the creel tension adjusting connecting rods 4 penetrate through the creel tension adjusting connecting rod limiting hole 7 and are matched with the creel tension adjusting connecting rod limiting hole; one ends of the two creel tension adjusting connecting rods 4 are connected through the connecting rods, and the screw rod 8 is arranged on the third upright post and penetrates through the connecting rods of the creel tension adjusting connecting rods 4;
the locking device 1 is arranged on the creel tension adjusting connecting rod 4, the second upright post is provided with a yarn withdrawing shaft, and the damping tape disc 5 and the yarn withdrawing cylinder 6 are both arranged on the yarn withdrawing shaft; one end of the damping belt 3 is fixed on the second upright post, the other end of the damping belt is fixed on the locking device 1, the damping belt 3 penetrates through the damping belt disc 5, and the spring pointer dial 2 is arranged on the damping belt.
Furthermore, the locking devices 1 are provided with a plurality of groups, the groups correspond to the yarn withdrawing shafts one by one, and the locking devices 1 at different positions are aligned up and down, left and right.
Further, the locking device 1 comprises a screw rod 11 and a nut 12, and the screw rod 11 and the nut 12 are matched with each other; the creel tension adjusting connecting rod 4 is provided with a mounting seat, and a screw 11 penetrates through the mounting seat and is fixed on the mounting seat through a nut 12.
Further, the spring pointer dial 2 includes a dial 21, a pointer 22, and a spring 23, the pointer 22 is installed at the center of the dial 21 by a rotation shaft, and the spring 23 is connected to the rotation shaft.
Specifically, the method comprises the following steps: sequentially mounting yarn groups on a yarn withdrawing cylinder 5, then rotating nuts 12 of the locking device 1 one by one, rotating the nuts 12 on the screw rods 11, adjusting the length of the screw rods 11, further enabling the positions of one ends of the damping belts 3 to be different, and further adjusting the loosening degree of the damping belts 3; the spring pointer dial 2 is connected to the damping tape 3, and the spring pointer dial 2 can clearly display the acting force of the damping tape 3 on the damping tape disc 6; the dial 2 of the spring pointer has the same number, so that the acting force of all damping belts 3 on the damping belt disk 6 of the whole creel can be ensured to be consistent, and further the yarn withdrawing tension of all spindles is kept consistent.
Along with the production, the amount of yarn on the yarn roll is less and less, the self weight is lighter and lighter, and in order to control the yarn withdrawing tension of the whole creel to keep constant, the nut 12 on the locking device 1 is adjusted one by one, which is particularly troublesome. At this moment, the screw rod 8 can rotate through the screw rod 8 at one end of the creel, so that the screw rod 8 is matched with the connecting rod of the creel tension adjusting connecting rod 4 to drive the connecting rod to move, the creel tension adjusting connecting rod 4 is pulled or pushed, the locking device 1 is further driven to move, the position of one end of the damping belt 3 is adjusted in batch and synchronously, the acting force of the damping belt 3 on the damping belt disc 5 is adjusted, and the control tension of yarn withdrawal of all spindles on the creel is integrally adjusted.
It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A tension control device for continuous fiber yarn withdrawal is characterized in that: the yarn creel tension adjusting device comprises a yarn creel, a locking device, a spring pointer dial, a damping belt, a creel tension adjusting connecting rod, a damping belt disc, a yarn withdrawing cylinder, a creel tension adjusting connecting rod limiting hole and a screw rod, wherein the creel tension adjusting connecting rod is arranged on the creel;
the creel comprises an upper plate body and a lower plate body, wherein the upper plate body and the lower plate body are parallel to each other, the upper plate body and the lower plate body are connected through a first upright post, a second upright post and a third upright post, the first upright post and the second upright post are respectively provided with two, the first upright post is arranged on the outer side of the second upright post, and the third upright post is provided with one upright post and is positioned on the side surface of the upper plate body and the lower plate body;
the two creel tension adjusting connecting rods are arranged, the limiting holes of the creel tension adjusting connecting rods are arranged on the first upright post, and the creel tension adjusting connecting rods penetrate through the limiting holes of the creel tension adjusting connecting rods and are matched with the limiting holes; one ends of the two creel tension adjusting connecting rods are connected through the connecting rod, and the screw rod is arranged on the third upright post and penetrates through the connecting rod of the creel tension adjusting connecting rod;
the locking device is arranged on the creel tension adjusting connecting rod, the second upright post is provided with a yarn withdrawing shaft, and the damping tape disc and the yarn withdrawing cylinder are both arranged on the yarn withdrawing shaft; one end of the damping belt is fixed on the second upright post, the other end of the damping belt is fixed on the locking device, the damping belt penetrates through the damping belt disc, and the spring pointer dial is arranged on the damping belt.
2. A tension control device for continuous fiber withdrawal according to claim 1, wherein: the locking devices are provided with a plurality of groups, the groups correspond to the yarn withdrawing shafts one by one, and the locking devices at different positions are aligned up and down, left and right.
3. A tension control device for continuous fiber withdrawal according to claim 1, wherein: the locking device comprises a screw rod and a nut which are matched with each other; the creel tension adjusting connecting rod is provided with an installation seat, and the screw penetrates through the installation seat and is fixed on the installation seat through a nut.
4. A tension control device for continuous fiber withdrawal according to claim 1, wherein: the spring pointer dial comprises a dial, a pointer and a spring, the pointer is installed in the center of the dial through a rotating shaft, and the spring is connected with the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920870173.7U CN210558612U (en) | 2019-06-11 | 2019-06-11 | Tension control device for continuous fiber yarn unwinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920870173.7U CN210558612U (en) | 2019-06-11 | 2019-06-11 | Tension control device for continuous fiber yarn unwinding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210558612U true CN210558612U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920870173.7U Active CN210558612U (en) | 2019-06-11 | 2019-06-11 | Tension control device for continuous fiber yarn unwinding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210558612U (en) |
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2019
- 2019-06-11 CN CN201920870173.7U patent/CN210558612U/en active Active
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