CN216235353U - Fibrous tension adjusting device - Google Patents
Fibrous tension adjusting device Download PDFInfo
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- CN216235353U CN216235353U CN202121736138.XU CN202121736138U CN216235353U CN 216235353 U CN216235353 U CN 216235353U CN 202121736138 U CN202121736138 U CN 202121736138U CN 216235353 U CN216235353 U CN 216235353U
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- yarn passing
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- pressing sheet
- tension adjusting
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Abstract
The utility model provides a fiber tension adjusting device which can adjust the tension of each fiber, realize the tension control of each fiber and meet the production requirement. It includes: a frame; a plurality of layers of bottom plates; a plurality of yarn passing devices; the bottom plates are arranged along the height direction of the frame, single-layer yarn passing openings are respectively arranged on two side plates of each bottom plate, a plurality of yarn passing devices are arranged on the surface area of each bottom plate between the two side plates, a yarn inlet is formed in one side plate, a yarn outlet is formed in the other side plate, and at least two yarn passing devices form a fiber tension adjusting assembly; and a pressure adjusting device is integrated on each yarn passing device, and the fibers are sequentially subjected to tension adjusting operation through the pressure adjusting devices corresponding to the tension adjusting assemblies.
Description
Technical Field
The utility model belongs to the technical field of fiber tension adjustment, and particularly relates to a fiber tension adjusting device.
Background
A composite material pultrusion process is a method for continuously producing composite material section bars, which is an automatic production process for forming pultruded products by carrying out resin impregnation on reinforced fibers on a creel, then passing through a forming die which keeps a certain section shape, and continuously demoulding after curing and forming in the die.
The existing fibers are adjusted by integral tension, and for the manufacture of composite materials with higher precision requirements, the tension of each fiber needs to be adjusted respectively, and the existing equipment can not meet the requirements.
Disclosure of Invention
Aiming at the problems, the utility model provides a fiber tension adjusting device which can adjust the tension of each fiber, realize the tension control of each fiber and meet the production requirements.
A device for adjusting the tension of a fiber, comprising:
a frame;
a plurality of layers of bottom plates;
a plurality of yarn passing devices;
the plurality of layers of the bottom plates are arranged along the height direction of the frame,
two side plates of each layer of bottom plate are respectively provided with a single-layer yarn passing port, a plurality of yarn passing devices are arranged on the surface area of each layer of bottom plate corresponding to the space between the two side plates, one side plate is provided with a yarn inlet, the other side plate is provided with a yarn outlet, and at least two yarn passing devices form a fiber tension adjusting assembly;
and a pressure adjusting device is integrated on each yarn passing device, and the fibers are sequentially subjected to tension adjusting operation through the pressure adjusting devices corresponding to the tension adjusting assemblies.
It is further characterized in that: at least two groups of yarn passing devices are arranged between the side plates on two sides of the surface area of each layer of the bottom plate, and the fibers penetrate through the yarn passing openings on one side, sequentially pass through the two yarn passing devices which are not arranged on the same straight line and then penetrate through the yarn passing openings on the other side to be output;
the fiber tension adjusting device comprises a plurality of layers of bottom plates which are arranged in the height direction, single-layer yarn passing openings are respectively arranged on two side plates of each layer of bottom plate, a plurality of yarn passing devices are arranged on the surface area of each layer of bottom plate corresponding to the space between the two side plates, and at least two yarn passing devices form a fiber tension adjusting assembly;
preferably, three groups of yarn passing devices, namely a first yarn passing device, a second yarn passing device and a third yarn passing device, are arranged in the surface area of each layer of the bottom plate along the width between the side plates on the two sides, and the fibers penetrate through the yarn passing openings on one side and then sequentially pass through the first yarn passing devices, the second yarn passing devices and the third yarn passing devices which are not arranged on the same straight line and then penetrate through the yarn passing openings on the other side to be output;
the yarn passing device comprises a yarn passing shaft, a fixing bolt, an upper pressing sheet, a lower pressing sheet, a spring pressing sheet and an adjusting nut, wherein the bottom of the yarn passing shaft in the height direction is inserted into a corresponding positioning hole of the bottom plate and fixedly arranged on the bottom plate through the fixing bolt, the yarn passing shaft is arranged perpendicular to the bottom plate, a sleeve is arranged in the middle of the yarn passing shaft in the height direction, a laterally convex lower pressing sheet is fixedly arranged at the lower part of the sleeve, the sleeve is sleeved with the upper pressing sheet, the upper pressing sheet vertically acts along the sleeve, the upper pressing sheet is arranged at the upper part of the lower pressing sheet, the upper pressing sheet and the lower pressing sheet form a pressure adjusting device, a space between the upper pressing sheet and the lower pressing sheet is used for passing through fibers, the spring pressing sheet is arranged at the upper part of the yarn passing shaft, the adjusting nut is pressed at the top of the spring pressing sheet, and is in threaded connection with the upper threaded part of the yarn passing shaft, the spring is arranged between the spring pressing sheet and the upper pressing sheet, and the adjusting nut vertically moves along the upper thread part so as to adjust the compression amount of the spring, so that the adjustment of the fiber tension drives the upper pressing sheet to press downwards or move upwards, and further the pressure of the upper pressing sheet pressing on the fiber is adjusted, and further the adjustment of the fiber tension is realized;
the outer ring surface of the sleeve is a smooth outer ring surface, so that the fibers are prevented from being abraded, and the generation of friction static electricity is reduced;
a plurality of supporting cross rods are arranged on the two side frames of the frame, and two ends of the bottom plate are respectively supported on the corresponding supporting cross rods;
the frame, the bottom plate, the sleeve and the wire passing shaft are all made of conductor materials, the frame is externally connected with an electrostatic guiding device, and the conductive material wire passing shaft and the electrostatic guiding device are adopted to guide away static electricity, so that the static electricity is reduced, and the generation of fiber hairiness is further reduced;
the upper pressing sheet and the lower pressing sheet are made of conductive materials, the surface roughness Ra is less than or equal to 0.05, and conductive ceramics are preferentially adopted;
the fiber tension adjusting device preferentially adopts the height of the adjusting nut to adjust the tension, and when the nut height adjustment cannot meet the tension adjustment, the position of the corresponding yarn passing device can be moved to adjust the tension.
After the mechanism is adopted, the fiber discharged from the creel penetrates through the yarn inlet of the tension adjusting device, penetrates through the yarn passing devices along one group of yarn passing devices and then penetrates out of the yarn outlet, and the pressure adjusting device is adjusted to be within +/-10% of the target tension according to the deviation of the numerical value displayed by the subsequent fiber tension display module and the target tension; when the pressure adjusting device is adjusted to limit, and effective tension can not be obtained, the position of the yarn passing device can be changed to change the angle of the fiber to change the fiber tension; it can carry out tension adjustment to every fibre, realizes the tension control to every fibre, satisfies the production demand.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of a base plate of the fiber tensioning device of the present invention;
FIG. 3 is a front view structural schematic diagram of the yarn passing device of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the device comprises a frame 10, a supporting cross bar 11, a bottom plate 20, a side plate 21, a yarn inlet 22, a yarn outlet 23, a pressure adjusting device 30, fibers 40, a first yarn passing device 50, a yarn passing shaft 51, a fixing bolt 52, an upper pressing sheet 53, a lower pressing sheet 54, a spring 55, a spring pressing sheet 56, an adjusting nut 57, a sleeve 58, a second yarn passing device 60, a third yarn passing device 70 and an electrostatic guiding device 80.
Detailed Description
A tension adjusting device for fiber is shown in figures 1-3, and comprises a frame 10, a plurality of layers of bottom plates 20 and a plurality of yarn passing devices;
the plurality of layers of bottom plates 20 are arranged along the height direction of the frame 10, two side plates 21 of each layer of bottom plate 20 are respectively provided with a single-layer yarn passing port, a plurality of yarn passing devices are arranged on the surface area of each layer of bottom plate 20 corresponding to the space between the two side plates 21, one side plate 21 is provided with a yarn inlet 22, the other side plate 21 is provided with a yarn outlet 23, and at least two yarn passing devices form a fiber tension adjusting assembly;
each yarn passing device is integrated with a pressure adjusting device 30, and the fibers 40 are sequentially subjected to tension adjusting operation through the pressure adjusting devices 30 corresponding to the tension adjusting components.
In specific implementation, three groups of yarn passing devices, namely a first yarn passing device 50, a second yarn passing device 60 and a third yarn passing device 70, are arranged in the surface area of each layer of bottom plate 20 along the width between the side plates 21 on the two sides, and the fibers 40 penetrate through the yarn inlet 22 on one side and then sequentially pass through the first yarn passing device 50, the second yarn passing device 60 and the third yarn passing device 70 which are not arranged on the same straight line, and then penetrate through the yarn outlet 23 on the other side to be output; in specific implementation operation, the first yarn passing device 50, the third yarn passing device 70, the yarn inlet 22 and the yarn outlet 23 of the corresponding fiber are arranged on the same straight line, the second yarn passing device 60 is arranged beside the first yarn passing device, and the position of the second yarn passing device 60 is adjusted to adjust the fiber tension;
the yarn passing device comprises a yarn passing shaft 51, a fixing bolt 52, an upper pressing sheet 53, a lower pressing sheet 54, a spring 55, a spring pressing sheet 56 and an adjusting nut 57, wherein the bottom of the yarn passing shaft 51 in the height direction is inserted into a corresponding positioning hole of the bottom plate 20 and fixedly arranged on the bottom plate 20 through the fixing bolt 52, the yarn passing shaft 51 is arranged perpendicular to the bottom plate 20, a sleeve 58 is arranged in the middle of the yarn passing shaft 51 in the height direction, the lower part of the sleeve 58 is fixedly provided with the lower pressing sheet 54 with a side protrusion, the sleeve 58 is sleeved with the upper pressing sheet 53, the upper pressing sheet 53 vertically acts along the sleeve 58, the upper pressing sheet 53 is arranged at the upper part of the lower pressing sheet 54, the upper pressing sheet 53 and the lower pressing sheet 54 form the pressure adjusting device 30, the space between the upper pressing sheet 53 and the lower pressing sheet 54 is used for passing through the fiber 40, the spring pressing sheet 56 is arranged at the upper part of the yarn passing shaft 51, the adjusting nut 57 is pressed at the top of the spring pressing sheet 56, and the adjusting nut 57 is in threaded connection with the upper threaded part of the yarn passing shaft 51, a spring 55 is arranged between the spring pressing sheet 56 and the upper pressing sheet 53, and the adjusting nut 57 vertically moves along the upper thread part so as to adjust the compression amount of the spring 55, thereby realizing that the adjustment of the fiber tension drives the upper pressing sheet 53 to press down or move up, further being used for adjusting the pressure of the upper pressing sheet 53 pressed on the fiber 40 and further being used for adjusting the fiber tension;
the outer annular surface of the sleeve 58 is smooth, so that the fibers are not abraded, and the generation of friction static electricity is reduced;
a plurality of supporting cross rods 11 are arranged on two side frames of the frame 10, and two ends of the bottom plate 20 are respectively supported on the corresponding supporting cross rods 11;
the frame 10, the bottom plate 20, the sleeve 58 and the wire passing shaft 51 are all made of conductor materials, the frame 10 is externally connected with the static guiding device 80, and the conductive material wire passing shaft and the static guiding device 80 are adopted to guide away static electricity, so that the static electricity is reduced, and the generation of fiber hairiness is reduced;
the upper pressing sheet 53 and the lower pressing sheet 54 are made of conductive ceramic materials, and the surface roughness Ra is less than or equal to 0.05;
the fiber tension adjusting device preferentially adopts the height of the adjusting nut 57 to adjust the tension, and when the height adjustment of the adjusting nut 57 cannot meet the tension adjustment, the fiber tension adjusting device can adopt the position of the corresponding yarn passing device to move to adjust.
The method corresponds to the situation that three groups of yarn passing devices are arranged on the surface area of a bottom plate 20 along the width between side plates on two sides, the three groups of yarn passing devices are respectively a first yarn passing device 50, a second yarn passing device 60 and a third yarn passing device 70, the first yarn passing device 50, the third yarn passing device 70 and yarn inlets 22 and yarn outlets 23 of corresponding fibers are arranged on the same straight line, the second yarn passing device 60 is arranged beside the side, and the position of the second yarn passing device 60 is adjusted to adjust the fiber tension, and the method comprises the following operation steps:
the fiber discharged from the creel penetrates through the yarn inlet 22 of the tension adjusting device, passes through the first yarn passing device 50, the second yarn passing device 60 and the third yarn passing device 70, then passes out of the yarn outlet 23, enters the tension detecting device for tension detection, and all the fibers 40 are connected with the external traction device; detecting the tension of the fiber through detection equipment under the condition of a certain traction speed; according to the deviation between the numerical value displayed by the fiber tension display module and the target tension, the height of the adjusting nut 57 is adjusted to be within +/-10% of the target tension, when the tension numerical value corresponding to the fiber 40 is smaller than the target tension, the height of the adjusting nut 57 at the corresponding position is adjusted to be lower, and when the tension numerical value is larger than the target tension, the height of the adjusting nut at the corresponding position is adjusted to be higher; when the adjusting nut is adjusted to the limit position, and effective tension cannot be obtained, the position of the second yarn passing device 60 can be changed, so that the angle of the fiber is changed to change the fiber tension.
The working principle is as follows: the fiber discharged from the creel penetrates through a yarn inlet of the tension adjusting device, penetrates through a group of yarn passing devices and then penetrates out of a yarn outlet, and the pressure adjusting device is adjusted to be within +/-10% of the target tension according to the deviation of the numerical value displayed by the subsequent fiber tension display module and the target tension; when the pressure adjusting device is adjusted to limit, and effective tension can not be obtained, the position of the yarn passing device can be changed to change the angle of the fiber to change the fiber tension; the tension adjusting device is suitable for the tension adjustment of fibers in an intensive mode (the fiber interval is within 50 mm) and when the number of the fibers is large (more than 50 fibers are detected at the same time), the rapid tension adjustment of a plurality of fibers is realized at low cost, the tension of each fiber can be obtained through detection, and the tension control of each fiber is realized; the tension of the fibers can be adjusted between 2N and 50N, and the tension deviation between the fibers is within +/-10 percent, so that the strength utilization rate of the fibers is improved, and the straightness of the product is improved; reducing the roughness of a part in contact with the fiber in the tension adjusting device, reducing the generation of friction static electricity, and leading the static electricity away by adopting a conductive material wire passing shaft and a static electricity guiding device so as to reduce the static electricity and further reduce the generation of fiber hairiness; it can carry out tension adjustment to every fibre, realizes the tension control to every fibre, satisfies the production demand.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A device for adjusting the tension of a fiber, comprising:
a frame;
a plurality of layers of bottom plates;
a plurality of yarn passing devices;
the plurality of layers of the bottom plates are arranged along the height direction of the frame,
two side plates of each layer of bottom plate are respectively provided with a single-layer yarn passing port, a plurality of yarn passing devices are arranged on the surface area of each layer of bottom plate corresponding to the space between the two side plates, one side plate is provided with a yarn inlet, the other side plate is provided with a yarn outlet, and at least two yarn passing devices form a fiber tension adjusting assembly;
and a pressure adjusting device is integrated on each yarn passing device, and the fibers are sequentially subjected to tension adjusting operation through the pressure adjusting devices corresponding to the tension adjusting assemblies.
2. A tension adjusting device for fiber as claimed in claim 1, wherein: at least two groups of yarn passing devices are arranged between the side plates of the two sides of the surface area of the bottom plate on each layer, and the fibers penetrate through the yarn passing openings on one side and then sequentially pass through the two yarn passing devices which are not arranged on the same straight line and then penetrate through the yarn passing openings on the other side to be output.
3. A tension adjusting device for fiber as claimed in claim 1, wherein: the fiber tension adjusting device comprises a plurality of layers of bottom plates which are arranged in the height direction, single-layer yarn passing openings are respectively formed in two side plates of each layer of bottom plate, a plurality of yarn passing devices are arranged on the surface area of each layer of bottom plate, which corresponds to the space between the two side plates, and at least two yarn passing devices form a fiber tension adjusting assembly.
4. A tension adjusting device for fiber as claimed in claim 3, wherein: every layer the face territory of bottom plate is arranged along the width between the curb plate of both sides three groups and is crossed the yarn device, is first crossing yarn device, second crossing yarn device, third crossing yarn device respectively, and the fibre runs through behind the yarn mouth of crossing of one side in order and runs through opposite side behind the first crossing yarn device, second crossing yarn device, the third crossing yarn device that arrange not on same straight line and crosses the yarn mouth output.
5. A tension adjusting device for fiber as claimed in claim 1, wherein: the yarn passing device comprises a yarn passing shaft, a fixing bolt, an upper pressing sheet, a lower pressing sheet, a spring pressing sheet and an adjusting nut, wherein the bottom of the yarn passing shaft in the height direction is inserted into a corresponding positioning hole of the bottom plate and fixedly arranged on the bottom plate through the fixing bolt, the yarn passing shaft is arranged perpendicular to the bottom plate, a sleeve is arranged in the middle of the yarn passing shaft in the height direction, a laterally convex lower pressing sheet is fixedly arranged at the lower part of the sleeve, the sleeve is sleeved with the upper pressing sheet, the upper pressing sheet vertically acts along the sleeve, the upper pressing sheet is arranged at the upper part of the lower pressing sheet, the upper pressing sheet and the lower pressing sheet form a pressure adjusting device, a space between the upper pressing sheet and the lower pressing sheet is used for passing through fibers, the spring pressing sheet is arranged at the upper part of the yarn passing shaft, the adjusting nut is pressed at the top of the spring pressing sheet, and is in threaded connection with the upper threaded part of the yarn passing shaft, the spring is arranged between the spring pressing plate and the upper pressing plate.
6. A tension adjusting device for fiber as set forth in claim 5, wherein: the outer annular surface of the sleeve is a smooth outer annular surface.
7. A tension adjusting device for fiber as claimed in claim 1, wherein: and a plurality of supporting cross rods are arranged on the frames at the two sides of the frame, and the two ends of the bottom plate are respectively supported on the corresponding supporting cross rods.
8. A tension adjusting device for fiber as set forth in claim 5, wherein: the frame, the bottom plate, the sleeve and the wire passing shaft are all made of conductor materials, and the frame is externally connected with an electrostatic guiding device.
9. A tension adjusting device for fiber as set forth in claim 5, wherein: the upper pressing sheet and the lower pressing sheet are made of conductive materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121736138.XU CN216235353U (en) | 2021-07-28 | 2021-07-28 | Fibrous tension adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121736138.XU CN216235353U (en) | 2021-07-28 | 2021-07-28 | Fibrous tension adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216235353U true CN216235353U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121736138.XU Active CN216235353U (en) | 2021-07-28 | 2021-07-28 | Fibrous tension adjusting device |
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|---|---|
| CN (1) | CN216235353U (en) |
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2021
- 2021-07-28 CN CN202121736138.XU patent/CN216235353U/en active Active
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