CN212316352U - Warp tension sensing device - Google Patents
Warp tension sensing device Download PDFInfo
- Publication number
- CN212316352U CN212316352U CN202020430902.XU CN202020430902U CN212316352U CN 212316352 U CN212316352 U CN 212316352U CN 202020430902 U CN202020430902 U CN 202020430902U CN 212316352 U CN212316352 U CN 212316352U
- Authority
- CN
- China
- Prior art keywords
- arm
- linkage shaft
- rack
- warp tension
- pressure sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Looms (AREA)
Abstract
The invention relates to a warp tension sensing device, which comprises a rack, a first arm and a second arm, wherein the first arm and the second arm are respectively arranged on two sides of the rack, the first arm and the second arm are connected through a linkage shaft, one end of the linkage shaft is connected with the first arm, the other end of the linkage shaft is connected with the second arm, a through hole is formed in the rack, the linkage shaft penetrates through the through hole to be rotatably connected with the rack, the first arm comprises a first end and a second end, the height of the first end is higher than that of the second end, the first arm comprises a first section and a second section, the first section is connected with the linkage shaft, a pressure sensor is arranged above the second arm and is arranged above the second arm through a support, the support comprises an installation device arranged on the rack and an air cylinder arranged on the installation device, and the. The device can continuously adjust the warp beam let-off amount by sensing the change of the warp tension value at the back beam, ensure the warp tension fluctuation in the whole manufacturing process within a reasonable range, and realize the stable control of the warp tension.
Description
Technical Field
The invention relates to a sensing device, in particular to a warp tension sensing device.
Background
In the weaving process of the carbon fiber bidirectional cloth, proper and stable warp tension plays an important role in the quality of a final finished product. The loom without the warp tension sensing device can not continuously output an actual warp tension value, the let-off quantity is always kept unchanged, the actual warp tension can generate difference in the shedding and heald leveling processes of the loom, the loom can not start when the tension is too large or too small, and meanwhile the quality of a final finished product is influenced by unstable warp tension.
Disclosure of Invention
The invention provides a warp tension sensing device for realizing the stable control of the warp tension, which can continuously adjust the let-off amount of a warp beam by sensing the change of the warp tension value at a back beam, ensure that the warp tension fluctuation in the whole manufacturing process is in a reasonable range and realize the stable control of the warp tension; the method is simple to operate and design, can ensure that the tension of the warp yarn is stabilized at a set value, is beneficial to improving the quality of the fabric, and realizes the long-term stable production of products.
The technical scheme adopted by the invention is as follows: a warp tension sensing device comprises a rack, a first arm and a second arm which are respectively positioned at two sides of the rack, wherein the first arm and the second arm are connected through a linkage shaft, one end of the linkage shaft is connected with the first arm, the other end of the linkage shaft is connected with the second arm, a through hole is formed in the rack, the linkage shaft penetrates through the through hole to be rotatably connected with the rack, the first arm comprises a first end and a second end, the first end is higher than the second end, the first arm comprises a first section and a second section, the first section is an area between the midpoint of the first arm and the first end, the second section is an area between the midpoint of the first arm and the second end, the second section of the first arm is connected with a back beam for winding warp yarns, the first section is connected with the linkage shaft, a pressure sensor is arranged above the second arm, and is arranged above the second arm through a bracket, the bracket comprises a mounting device arranged on the rack and a cylinder arranged on the mounting device, and the piston end of the cylinder is connected with the pressure sensor;
the linkage shaft is fixedly connected with the first arm and the second arm;
the pressure sensor is connected with the controller, the controller is further connected with a yarn tension adjusting device, and the controller controls the yarn tension adjusting device to adjust the tension of the yarn according to the received signal of the pressure sensor.
Furthermore, the second arm comprises a first end and a second end, the first end of the second arm is connected with the linkage shaft, and the pressure sensor is arranged above the second end.
Further, the linkage shaft is perpendicular to the first arm and the second arm, and the first arm is perpendicular to the back beam.
Further, the rear beam and the linkage shaft are arranged on two opposite sides of the first arm.
Further, the second arm is always in contact with the pressure sensor during operation.
Furthermore, the back beam comprises a first end and a second end, and the device connected with the first end of the back beam is the same as the device connected with the second end of the back beam.
Further, the linkage shaft is horizontally arranged.
Further, the mounting device comprises a supporting rod and a mounting plate, the supporting rod is erected on the rack, one end of the supporting rod is connected with the rack, the other end of the supporting rod is provided with the mounting plate, and the air cylinder is fixed on the mounting plate.
The beneficial effects produced by the invention comprise: 1. the device can indirectly sense the actual warp tension of the loom, and transmits the actual warp tension to the controller in real time, so that the controller can output an adjusting signal in time, the loom can make adjustment ceaselessly according to fluctuation, a stable warp tension value is ensured, the improvement of the quality of a fabric is facilitated, and the long-term stable production of a product is realized.
2. The device is simple to operate, has simple design, can be suitable for fabrics with different warp tension requirements, is matched with the production of fabrics with various specifications, and has the advantages of low price and reduced production cost.
Drawings
FIG. 1 is a schematic view of a warp tension sensing device according to the present invention;
in the figure, the device comprises a frame 1, a frame 2, a first arm 201, a first end 202, a second end 3, a second arm 301, a first end 302, a second end 4, a linkage shaft 5, a yarn 6, a support rod 7, a mounting plate 8, a cylinder 801, a piston 9, a pressure sensor 10 and a back beam.
Detailed Description
The present invention is explained in further detail below with reference to the drawings and the specific embodiments, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Referring to fig. 1, the warp tension sensing device in the invention comprises a frame 1, a first arm 2 and a second arm 3 respectively located at two sides of the frame 1, the first arm 2 and the second arm 3 are connected through a linkage shaft 4, the frame 1 is provided with a through hole, the linkage shaft 4 passes through the through hole and is rotatably connected with the frame 1, one end of the linkage shaft 4 is connected with the first arm 2, the other end of the linkage shaft passes through the through hole on the frame 1 and is connected with the second arm 3, the first arm 2 comprises a first end 201 and a second end 202, the first end 201 is higher than the second end 202, the first arm 2 inclines downwards from the first end 201 to the second end 202, the first arm 2 comprises a first section and a second section, the first section is an area between the midpoint of the first arm 2 and the first end 201, the second section is an area between the midpoint of the first arm 2 and the second end 202, the second section of the first arm 2 is connected with a back beam 10 for winding warp, the first section is connected with the linkage shaft 4, the first section of the first arm 2 is connected with the linkage shaft 4 near the first end 201 or the first end 201, and the second section of the first arm 2 is connected with the back beam 10 used for winding warp yarns near the second end 202 or the second end 202. The rear beam 10 and the linkage shaft 4 are both perpendicular to the first arm 2, the linkage shaft 4 and the rear beam 10 are distributed on two sides of the first arm 2, the first arm 2 and the second arm 3 are both swing arms, and the first arm 2 and the second arm 3 are both straight lever arms.
The second arm 3 comprises a first end 301 and a second end 302, the first end 301 or a position close to the first end 301 (positioned between the midpoint of the second arm 3 and the first end 301) of the second arm 3 is connected with the linkage shaft 4, the second arm 3 is perpendicular to the linkage shaft 4, a pressure sensor 9 is arranged above the second end 302 or a position close to the second end 302 (positioned between the midpoint of the second arm 3 and the second end) of the second arm 3, the pressure sensor 9 is always in contact with the second arm 3 in the working process, the pressure sensor 9 is arranged above the second arm 3 through a bracket, specifically, the mounting device comprises a support rod 6 and a mounting plate 7, the support rod 6 is arranged on the frame 1, one end of the support rod 6 is connected with the frame 1, the other end of the support rod is provided with the mounting plate 7, the cylinder 8 is fixed on the mounting plate 7, the pressure sensor 9 is arranged at the end part of a piston 801 of the cylinder 8, the linkage shaft 4 is fixedly connected with the first arm 2, the linkage shaft 4 is horizontally arranged, and the support rod 6 is connected with the mounting plate 7 or the rack 1 through threads.
The pressure sensor 9 is connected with a controller, the controller is also connected with a yarn 5 tension adjusting device, the controller controls the yarn 5 tension adjusting device to adjust the tension of the yarn 5 according to a received signal of the pressure sensor 9, the tension adjusting device adopts an existing device capable of adjusting the tension of the yarn, and the controller in the embodiment can adopt a computer system.
The back beam 10 comprises a first end and a second end, the first end of the back beam 10 is connected with the same device as the second end of the back beam 10, namely, the other end of the back beam 10 is also provided with the frame 1, the first arm 2, the second arm 3 and the like, the yarn 5 is wound on the back beam 10, and the tension direction is as the direction of the arrow in the figure.
The device adjusting principle is as follows:
assembling the pressure sensing device, and adjusting the screw rod to place the pressure sensor 9 at a proper position; the warp yarn bypasses the back beam 10, and the pressure set value of the pressure sensor 9 is obtained according to the tension set value of the yarn 5;
when the actual value of the warp tension is larger than the set value, the forward (as shown in the arrow direction) tension of the warp to the back beam 10 is increased, the back beam 10 moves forward to drive the second end of the first arm 2 to rotate downwards, the linkage shaft 4 rotates anticlockwise along with the first arm 2, and the second end of the second arm 3 is driven to have a tendency of rotating upwards; after the second end of the second arm 3 has a tendency of rotating upwards, the upward thrust on the pressure sensor 9 is increased, the pressure value of the pressure sensor 9 exceeds a set value, and the controller receives a pressure signal and then controls the tension adjusting device to reduce the tension;
when the actual value of the warp tension is smaller than the set value, the forward tension of the warp on the back beam 10 is reduced, the back beam 10 moves backwards to drive the second end of the first arm 2 to rotate upwards, the linkage shaft 4 rotates along with the first arm 2 to drive the second end of the second arm 3 to have a downward rotation trend; after the second arm 3 has a downward rotating trend, the upward thrust on the pressure sensor 9 is reduced, the pressure value of the pressure sensor 9 is lower than a set value, and the controller receives a pressure signal and controls the tension adjusting device to increase the tension.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting with respect to the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the content of the embodiment. It will be apparent to those skilled in the art that various changes and modifications can be made within the technical scope of the present invention, and any changes and modifications made are within the protective scope of the present invention.
Claims (8)
1. A warp tension sensing device, characterized by: the warp yarn winding machine comprises a rack, a first arm and a second arm, wherein the first arm and the second arm are respectively positioned on two sides of the rack, the first arm and the second arm are connected through a linkage shaft, one end of the linkage shaft is connected with the first arm, the other end of the linkage shaft is connected with the second arm, a through hole is formed in the rack, the linkage shaft penetrates through the through hole to be rotatably connected with the rack, the first arm comprises a first end and a second end, the first end is higher than the second end, the first arm comprises a first section and a second section, the first section is an area from the midpoint of the first arm to the first end, the second section is an area from the midpoint of the first arm to the second end, the second section of the first arm is connected with a back beam used for winding warp yarns, the first section is connected with the linkage shaft, a pressure sensor is arranged above the second arm, the pressure sensor is arranged above the second arm through a support, the support comprises an installation device arranged on the rack and a cylinder arranged, the piston end of the cylinder is connected with the pressure sensor;
the linkage shaft is fixedly connected with the first arm and the second arm;
the pressure sensor is connected with the controller, the controller is further connected with a yarn tension adjusting device, and the controller controls the yarn tension adjusting device to adjust the tension of the yarn according to the received signal of the pressure sensor.
2. A warp tension sensing device as claimed in claim 1, wherein: the second arm comprises a first end and a second end, the first end of the second arm is connected with the linkage shaft, and the pressure sensor is arranged above the second end.
3. A warp tension sensing device as claimed in claim 1, wherein: the linkage shaft is perpendicular to the first arm and the second arm, and the first arm is perpendicular to the back beam.
4. A warp tension sensing device as claimed in claim 1, wherein: the rear beam and the linkage shaft are arranged on two opposite sides of the first arm.
5. A warp tension sensing device as claimed in claim 1, wherein: the second arm is always in contact with the pressure sensor during operation.
6. A warp tension sensing device as claimed in claim 1, wherein: the back beam comprises a first end and a second end, and the device connected with the first end of the back beam is the same as the device connected with the second end of the back beam.
7. A warp tension sensing device as claimed in claim 1, wherein: the linkage shaft is horizontally arranged.
8. A warp tension sensing device as claimed in claim 1, wherein: the mounting device comprises a support rod and a mounting plate, the support rod is erected on the rack, one end of the support rod is connected with the rack, the other end of the support rod is provided with the mounting plate, and the air cylinder is fixed on the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020430902.XU CN212316352U (en) | 2020-03-30 | 2020-03-30 | Warp tension sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020430902.XU CN212316352U (en) | 2020-03-30 | 2020-03-30 | Warp tension sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212316352U true CN212316352U (en) | 2021-01-08 |
Family
ID=74019237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020430902.XU Active CN212316352U (en) | 2020-03-30 | 2020-03-30 | Warp tension sensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212316352U (en) |
-
2020
- 2020-03-30 CN CN202020430902.XU patent/CN212316352U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109052040B (en) | Adjusting and positioning device for spinning machine wire wheel | |
| CN212316352U (en) | Warp tension sensing device | |
| CN1023575C (en) | Loom having low-stress tensioning device for warp | |
| US4293006A (en) | Pile warp thread unwinding device for a terry cloth loom | |
| CN1661145B (en) | Warp feeder of loom | |
| CN1827878A (en) | Bottom warp let-off tension balance adjusting mechanism of towel rapier loom | |
| US5392817A (en) | Apparatus for altering the loop length of terry cloth | |
| CN2853830Y (en) | Transmission mechanism of loom warp loosing device | |
| JP2986738B2 (en) | Pile warp control for the production of towel fabrics on looms | |
| CN112680871A (en) | Cloth-moving type towel machine double-back beam mechanism | |
| CN215710751U (en) | Constant tension servo let-off system for spinning machine | |
| CN114277488B (en) | Mechanical linkage air-jet flanging mechanism of loom | |
| CN218910929U (en) | Weft straightening machine with servo drive motor | |
| CN219079754U (en) | Adjustable warping machine | |
| CN216274584U (en) | Weft yarn crochet device of wide and narrow band knitting machine | |
| CN101053964A (en) | Backward positive type mechanical let-off device for plastic braiding machine | |
| CN221117821U (en) | Electronic warp let-off device of loom | |
| CN204434873U (en) | Rapier looms rolling guide case | |
| CN204753047U (en) | Wool yarn lopping device of double needle bar warp knitting machine | |
| CN220394037U (en) | Yarn feeding device for knitted fabric production | |
| CN220149788U (en) | Thread guiding mechanism suitable for sock head sewing | |
| CN118004807B (en) | Textile product processingequipment | |
| CN216193070U (en) | High-precision warp plain velvet weaving machine | |
| CN216786403U (en) | Integrated ready-made clothes computerized flat knitting machine drawing rake | |
| CN212128437U (en) | Weaving let-off motion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |