CN108982000B - Yarn tension testing mechanism - Google Patents
Yarn tension testing mechanism Download PDFInfo
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- CN108982000B CN108982000B CN201810636027.8A CN201810636027A CN108982000B CN 108982000 B CN108982000 B CN 108982000B CN 201810636027 A CN201810636027 A CN 201810636027A CN 108982000 B CN108982000 B CN 108982000B
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- upper thread
- dynamometer
- driving device
- transmission
- yarn tension
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/06—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using mechanical means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a yarn tension testing mechanism. The yarn tension testing mechanism comprises a base, an upper thread testing device, a bottom thread testing device and a driving device. The upper thread testing device comprises a transmission gear, a transmission rack and an upper thread dynamometer, wherein the transmission rack is positioned on the base, the transmission gear can be meshed with the transmission rack, the driving device can drive the transmission gear to rotate, and the upper thread dynamometer is connected to the transmission rack; when the upper thread is connected with the upper thread dynamometer, the driving device drives the transmission rack and the upper thread dynamometer to move at a constant speed by driving the transmission gear to rotate, and the upper thread dynamometer measures the tension of the upper thread; the bottom line testing device comprises a reel and a bottom line dynamometer, and the driving device can drive the reel to rotate; when the bottom line is connected with the bottom line dynamometer, the driving device drives the bottom line to move at a constant speed by driving the reel to rotate, and the bottom line dynamometer measures the tension of the bottom line. The yarn tension testing mechanism is used for testing the tension of the yarn, and is high in accuracy.
Description
Technical Field
The invention relates to the field of textiles, in particular to a yarn tension testing mechanism.
Background
In the textile field, when testing tension is carried out on a bottom line and an upper line used in sewing at present, an operator manually measures, but manual measurement results are different from person to person, the accuracy of the manual measurement results is low, and in order to improve the measurement accuracy, multiple times of debugging and measurement are needed when testing the tension, and time and labor are wasted.
Disclosure of Invention
Based on this, it is necessary to provide a yarn tension testing mechanism capable of rapidly measuring yarn tension with high measurement accuracy.
The yarn tension testing mechanism comprises a base, an upper thread testing device, a lower thread testing device and a driving device, wherein the driving device is connected to the base;
the upper thread testing device comprises a transmission gear, a transmission rack and an upper thread dynamometer, wherein the transmission rack is positioned on the base, the transmission gear can be meshed with the transmission rack, the driving device can drive the transmission gear to rotate, and the upper thread dynamometer is connected to the transmission rack; when the upper thread is connected with the upper thread dynamometer, the driving device drives the transmission rack and the upper thread dynamometer to move at a constant speed by driving the transmission gear to rotate, and the upper thread dynamometer measures the tension of the upper thread moving at the constant speed;
the bottom line testing device comprises a reel and a bottom line dynamometer, the driving device can drive the reel to rotate, and the bottom line dynamometer is connected to the base; when the bottom line passes through the bottom line dynamometer and is connected to the winding wheel, the driving device drives the winding wheel to rotate at a constant speed to wind the bottom line at a constant speed, and the bottom line dynamometer measures the tension of the bottom line moving at the constant speed.
In one embodiment, the bottom line testing device further comprises a transmission rod, and the driving device is connected to the reel through the transmission rod.
In one embodiment, the upper wire load cell is a spring load cell.
In one embodiment, the upper thread testing device further comprises a fixing piece, the upper thread dynamometer is connected to the transmission rack through the fixing piece, and the spring stretching direction of the upper thread dynamometer is parallel to the long axis of the transmission rack.
In one embodiment, the bottom line dynamometer comprises a dynamometer seat, a first winding rod, a second winding rod, a third winding rod and an elastic scale, wherein the first winding rod and the second winding rod are connected to the dynamometer seat, and the third winding rod is connected to the elastic scale.
In one embodiment, the force measuring seat is provided with a first limit groove for placing the elastic force balance, and the third winding rod is located in the first limit groove.
In one embodiment, the first limiting groove is further connected with a limiting piece, the limiting piece is provided with a limiting channel, and the first winding rod penetrates through the limiting channel.
In one embodiment, the force measuring seat is provided with a second limiting groove for placing the shuttle peg, and the bottom surface of the second limiting groove is connected with a rotating rod for sleeving the shuttle peg.
In one embodiment, the device further comprises an adjusting piece, the adjusting piece is hinged to the base, the driving device is arranged on the adjusting piece and connected with the transmission gear and the reel, the transmission gear is located above the transmission rack, and when the adjusting piece rotates towards the base, the driving device can drive the transmission gear to rotate towards the transmission rack.
In one embodiment, the upper thread testing device further comprises a limit switch, wherein the limit switch is arranged on the base and is located on one side of the transmission rack, and the limit switch is close to the transmission gear.
The yarn tension testing mechanism can simultaneously and accurately measure the tension of the bottom line and the upper line in the sewing procedure, and the measuring procedure saves time and force. Specifically, when the tension of the bobbin thread is measured, one end of the bobbin thread is connected to the reel, the driving device drives the reel to rotate at a constant speed, the bobbin thread starts to be wound on the reel, and the bobbin thread dynamometer measures the tension of the bobbin thread moving at the constant speed. When the tension of the upper thread is measured, one end of the upper thread is connected to the upper thread dynamometer, after the transmission gear is meshed with the transmission rack, the driving device drives the transmission rack and the upper thread dynamometer to move at a constant speed through driving the transmission gear to rotate, the upper thread dynamometer is driven to move at a constant speed, and the upper thread dynamometer measures the tension of the upper thread moving at a constant speed. The yarn tension testing mechanism is used for testing the tension of the yarn, so that the action of manual participation in measurement is reduced, the measurement error is reduced, the measurement accuracy is improved, the manual participation is less, and the time and the force are saved.
The yarn tension testing mechanism can realize the adjustment of the placement position of the bottom line dynamometer by arranging the transmission rod.
The yarn tension testing mechanism realizes the position of the transmission gear through the adjusting piece hinged on the base, keeps the transmission gear away from the transmission rack when the tension of the upper thread is not required to be measured, and can realize that the driving device drives the reel to rotate without driving the movement of the transmission rack. When the tension of the upper thread is required to be measured, the transmission gear is meshed with the transmission rack by rotating the adjusting piece, so that the driving device can drive the transmission gear and the winding wheel to rotate simultaneously, and the convenience of operation is improved.
Drawings
Fig. 1 is a schematic view of a yarn tension testing mechanism according to an embodiment.
Description of the reference numerals
10: yarn tension testing mechanism; 100: a base; 200. an upper thread testing device; 210. a transmission gear; 220. a drive rack; 230. an upper thread dynamometer; 231. a crochet hook; 240. a fixing member; 250. a limit switch; 300. a bobbin thread testing device; 310. a reel; 320. a bobbin thread dynamometer; 321. a force measuring seat; 3211. a first limit groove; 3212. the second limit groove; 3213. a rotating lever; 322. a first winding rod; 323. a second winding rod; 324. a third winding rod; 330. a transmission rod; 400. a driving device; 500. an adjusting member; 510. a handle.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
An embodiment of the present invention provides a yarn tension testing mechanism 10, as shown in fig. 1, which includes a base 100, an upper thread testing device 200, a lower thread testing device 300, and a driving device 400, wherein the driving device 400 is connected to the base 100.
The upper thread testing device 200 includes a driving gear 210, a driving rack 220, and an upper thread gauge 230. A drive rack 220 is positioned on the base 100 and the drive gear 210 is capable of engaging the drive rack 220.
The driving device 400 can drive the transmission gear 210 to rotate, and the upper thread dynamometer 230 is connected to the transmission rack 220. When the upper thread is connected to the upper thread gauge 230, the driving device 400 drives the driving rack 220 and the upper thread gauge 230 to move at a constant speed by driving the driving gear 210 to rotate, and the upper thread gauge 230 measures the tension of the upper thread moving at the constant speed.
The bobbin thread testing device 300 includes a reel 310 and a bobbin thread force gauge 320. The driving device 400 can drive the reel 310 to rotate, and the bobbin thread force gauge 320 is connected to the base 100. After the bobbin thread passes through the bobbin thread gauge 320 and is connected to the reel 310, the driving device 400 drives the bobbin thread to move at a constant speed by driving the reel 310 to rotate, and the bobbin thread gauge 320 measures the tension of the bobbin thread moving at the constant speed.
Referring to fig. 1, in a specific example, the bottom line testing apparatus 300 further includes a transmission rod 330. The drive device is connected to the reel 310 via a transmission rod 330. Preferably, the transmission rod 330 may be a transmission hose, and the yarn tension testing mechanism 10 can realize the placement position adjustment of the bottom line dynamometer 320 by arranging the transmission hose.
In a specific example, the upper wire load cell 230 is a spring load cell, or other load cell device, so long as the measurement of tension is enabled.
Referring to fig. 1, in a specific example, the upper thread testing device 200 further includes a fixing member 240. The upper thread gauge 230 is coupled to the driving rack 220 through a fixing member 240, and a spring telescoping direction of the upper thread gauge 230 is parallel to a long axis direction of the driving rack 220. The most preferred location of the fixing member 240 is at one end of the driving rack 220, the driving device 400 is at the other end of the driving rack 220, the bobbin thread gauge 320 is on the base 100 and at one side of the driving rack 220, and the bobbin thread gauge 320 is adjacent to the driving device 400.
In a specific example, the bottom wire load cell 320 includes a load cell 321, a first winding bar 322, a second winding bar 323, a third winding bar 324, and a spring balance. The first winding rod 322 and the second winding rod 323 are connected to the force measuring base 321, and the third winding rod 324 is connected to the elastic weight. During measurement, the base wire is sequentially wound around the first winding rod 322, the third winding rod 324 and the second winding rod 323 and then connected to the reel 310. The spring force is not shown in fig. 1. The elastic force scale may be a pointer type elastic force scale, and when the elastic force scale is weighed, after the third winding rod 324 receives the tension of the yarn, the third winding rod 324 drives the spring of the elastic force scale to deform, and the elastic force scale displays the corresponding indication after the spring is deformed, namely the tension of the yarn.
In a specific example, the force-measuring base 321 is provided with a first limiting groove 3211 for placing the elastic scale. The third winding rod 324 is located in the first limiting groove 3211.
In a specific example, a limiting member is further connected in the first limiting groove 3211. The limiting piece is provided with a limiting channel, and the first winding rod 322 penetrates through the limiting channel.
In a specific example, the load socket 321 has a second limiting groove 3212 for placing the bobbin. The bottom surface of the second limiting groove 3212 is connected with a rotating rod 3213 for sleeving the shuttle core. When the bobbin is used for testing tension, the bobbin is sleeved on the rotating rod 3213 and is positioned in the second limiting groove 3212, and the end part of the bobbin is sequentially wound around the first winding rod 322, the third winding rod 324 and the second winding rod 323 and then connected to the reel 310. The rotation of the reel 310 drives the bobbin thread to be pulled out from the bobbin, and the tension of the bobbin thread causes the third winding rod 324 to move in the limiting channel, and the moving distance can be measured by the elastic force, namely the tension value of the bobbin thread.
In a specific example, the yarn tension testing mechanism 10 described above further includes an adjustment member 500. The adjusting member 500 is hinged to the base 100, the driving device 400 is arranged on the adjusting member 500 and connected to the transmission gear 210 and the reel 310, the transmission gear 210 is located above the transmission rack 220, and when the adjusting member 500 rotates towards the base 100, the driving device can drive the transmission gear 210 to rotate towards the transmission rack 220. The yarn tension testing mechanism 10 realizes the position of the transmission gear 210 by arranging the adjusting piece 500 hinged on the base 100, and keeps the transmission gear 210 away from the transmission rack 220 when the tension of the upper thread is not required to be measured, so that the driving device can drive the reel 310 to rotate without driving the movement of the transmission rack 220. When the tension of the upper thread needs to be measured, the rotation adjusting member 500 enables the transmission gear 210 to be meshed with the transmission rack 220, so that the driving device can drive the transmission gear 210 and the reel 310 to rotate simultaneously, and the convenience of operation is improved.
In a specific example, the adjusting member 500 is further provided with a handle 510, which is disposed at an edge of the adjusting member 500 to facilitate the handling of the operation.
In a specific example, the upper thread testing device 200 further includes a limit switch 250. The limit switch 250 is disposed on the base 100 and located on one side of the driving rack 220, and the limit switch 250 is close to the driving gear 210. The limit switch 250 functions to prevent the drive rack 220 from moving excessively, and to prevent the drive rack 220 from exceeding a predetermined position.
In a specific example, the yarn tension testing mechanism 10 further includes a control switch, and the control switch is connected to the driving device 400. The control switch can control the start and stop of the driving device 400.
The yarn tension measuring mechanism 10 can accurately measure the tension of the bobbin thread and the upper thread in the sewing process, and can measure the time and the force of the process. Specifically, when measuring the tension of the bobbin thread, one end of the bobbin thread is connected to the reel 310, the driving device 400 drives the reel 310 to rotate at a constant speed, the bobbin thread starts to be wound on the reel 310, and the bobbin thread gauge 320 measures the tension of the bobbin thread moving at a constant speed. When the tension of the upper thread is measured, one end of the upper thread is connected to the hook needle 231 on the upper thread force gauge 230, and after the transmission gear 210 is meshed with the transmission rack 220, the driving device 400 drives the transmission rack 220 and the upper thread force gauge 230 to move at a constant speed by driving the transmission gear 210 to rotate, the constant speed movement of the upper thread force gauge 230 drives the upper thread to move at a constant speed, and the upper thread force gauge 230 measures the tension of the upper thread moving at a constant speed. The yarn tension testing mechanism 10 is used for testing the yarn tension, so that the action of manually participating in measurement is reduced, the measurement error is reduced, the measurement accuracy is improved, the manual participation is less, and the time and the force are saved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. The yarn tension testing mechanism is characterized by comprising a base, an upper thread testing device, a lower thread testing device and a driving device, wherein the driving device is connected to the base;
the upper thread testing device comprises a transmission gear, a transmission rack and an upper thread dynamometer, wherein the transmission rack is positioned on the base, the transmission gear can be meshed with the transmission rack, the driving device can drive the transmission gear to rotate, and the upper thread dynamometer is connected to the transmission rack; when the upper thread is connected with the upper thread dynamometer, the driving device drives the transmission rack and the upper thread dynamometer to move at a constant speed by driving the transmission gear to rotate, and the upper thread dynamometer measures the tension of the upper thread moving at the constant speed;
the bottom line testing device comprises a reel and a bottom line dynamometer, the driving device can drive the reel to rotate, and the bottom line dynamometer is connected to the base; when the bottom line passes through the bottom line dynamometer and is connected to the winding wheel, the driving device drives the winding wheel to rotate at a constant speed to wind the wire at a constant speed, and the bottom line dynamometer measures the tension of the bottom line moving at the constant speed;
the yarn tension testing mechanism further comprises an adjusting piece, the adjusting piece is hinged to the base, the driving device is arranged on the adjusting piece and connected to the transmission gear and the reel, the transmission gear is located above the transmission rack, and when the adjusting piece rotates towards the base, the driving device can drive the transmission gear to rotate towards the transmission rack.
2. Yarn tension testing mechanism according to claim 1, wherein the bobbin thread testing device further comprises a transmission rod, the driving device being connected to the reel via the transmission rod.
3. Yarn tension testing mechanism according to claim 1, wherein the upper thread load cell is a spring load cell.
4. A yarn tension testing mechanism as claimed in claim 3, wherein the upper thread testing device further comprises a fixing member, the upper thread dynamometer is connected to the transmission rack through the fixing member, and a spring telescoping direction of the upper thread dynamometer is parallel to a long axis of the transmission rack.
5. The yarn tension testing mechanism of claim 1, wherein the bobbin thread force gauge comprises a force measuring seat, a first winding rod, a second winding rod, a third winding rod and an elastic scale, wherein the first winding rod and the second winding rod are connected to the force measuring seat, and the third winding rod is connected to the elastic scale.
6. The yarn tension testing mechanism according to claim 5, wherein the force measuring seat is provided with a first limit groove for placing the elastic scale, and the third winding rod is positioned in the first limit groove.
7. The yarn tension testing mechanism according to claim 6, wherein the first limiting groove is further connected with a limiting piece, the limiting piece is provided with a limiting channel, and the first winding rod penetrates through the limiting channel.
8. The yarn tension testing mechanism according to claim 5, wherein the force measuring seat is provided with a second limit groove for placing a shuttle core, and the bottom surface of the second limit groove is connected with a rotating rod for sleeving the shuttle core.
9. The yarn tension testing mechanism according to claim 1, wherein the upper thread testing device further comprises a limit switch, the limit switch is arranged on the base and located on one side of the transmission rack, and the limit switch is close to the transmission gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636027.8A CN108982000B (en) | 2018-06-20 | 2018-06-20 | Yarn tension testing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636027.8A CN108982000B (en) | 2018-06-20 | 2018-06-20 | Yarn tension testing mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN108982000A CN108982000A (en) | 2018-12-11 |
| CN108982000B true CN108982000B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810636027.8A Active CN108982000B (en) | 2018-06-20 | 2018-06-20 | Yarn tension testing mechanism |
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| CN (1) | CN108982000B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361125B (en) * | 2019-07-09 | 2021-12-07 | 浙江双友物流器械股份有限公司 | Binding belt tensioning dynamometer |
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| GB757571A (en) * | 1954-08-12 | 1956-09-19 | Cook & Company Manchester Ltd | Improvements in or relating to thread testing apparatus |
| US3992936A (en) * | 1975-06-23 | 1976-11-23 | Wesco Industries Corporation | Yarn measuring instrument |
| CN2107657U (en) * | 1991-08-27 | 1992-06-17 | 纺织工业部纺织科学研究院 | Table type all antomatic single yarn strength tester |
| JP2000275124A (en) * | 1999-03-26 | 2000-10-06 | Nec Yamagata Ltd | Tension gage |
| CN2625884Y (en) * | 2003-06-28 | 2004-07-14 | 绍兴市第一中学 | Yarn performance measurer |
| JP2010030704A (en) * | 2008-07-25 | 2010-02-12 | Murata Machinery Ltd | Yarn state detection device and textile machine having the same |
| CN207197942U (en) * | 2017-10-09 | 2018-04-06 | 梁山大和纺织有限公司 | A kind of yarn tension testing device |
| CN208350260U (en) * | 2018-06-20 | 2019-01-08 | 广东溢达纺织有限公司 | Yarn tension mechanism for testing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUB20154807A1 (en) * | 2015-10-20 | 2017-04-20 | Mesdan Spa | MEASUREMENT DEVICE FOR THE MEASUREMENT OF DYNAMOMETRIC CHARACTERISTICS OF TEXTILE SAMPLES EXTENDED IN THE TYPE OF YARNS, WIRES, TAPES AND THE LIKE. |
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2018
- 2018-06-20 CN CN201810636027.8A patent/CN108982000B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH225813A (en) * | 1938-12-22 | 1943-02-28 | Henry Baer & Co | Device for testing the tensile strength of thread-like bodies. |
| CH253651A (en) * | 1945-07-12 | 1948-03-15 | Zellweger Uster Ag | Thread tension meter. |
| GB757571A (en) * | 1954-08-12 | 1956-09-19 | Cook & Company Manchester Ltd | Improvements in or relating to thread testing apparatus |
| US3992936A (en) * | 1975-06-23 | 1976-11-23 | Wesco Industries Corporation | Yarn measuring instrument |
| CN2107657U (en) * | 1991-08-27 | 1992-06-17 | 纺织工业部纺织科学研究院 | Table type all antomatic single yarn strength tester |
| JP2000275124A (en) * | 1999-03-26 | 2000-10-06 | Nec Yamagata Ltd | Tension gage |
| CN2625884Y (en) * | 2003-06-28 | 2004-07-14 | 绍兴市第一中学 | Yarn performance measurer |
| JP2010030704A (en) * | 2008-07-25 | 2010-02-12 | Murata Machinery Ltd | Yarn state detection device and textile machine having the same |
| CN207197942U (en) * | 2017-10-09 | 2018-04-06 | 梁山大和纺织有限公司 | A kind of yarn tension testing device |
| CN208350260U (en) * | 2018-06-20 | 2019-01-08 | 广东溢达纺织有限公司 | Yarn tension mechanism for testing |
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| Publication number | Publication date |
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| CN108982000A (en) | 2018-12-11 |
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