CN210506701U - Yarn tensioning device for computerized flat knitting machine - Google Patents
Yarn tensioning device for computerized flat knitting machine Download PDFInfo
- Publication number
- CN210506701U CN210506701U CN201921123691.9U CN201921123691U CN210506701U CN 210506701 U CN210506701 U CN 210506701U CN 201921123691 U CN201921123691 U CN 201921123691U CN 210506701 U CN210506701 U CN 210506701U
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- China
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- lead screw
- yarn
- nut
- screw
- knitting machine
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- Expired - Fee Related
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Abstract
The utility model discloses a yarn overspeed device tensioner for computerized flat knitting machine, the on-line screen storage device comprises a base, the intermediate position at base top is provided with the support frame, the top of support frame is rotated and is connected with first gyro wheel, the both sides of support frame all are fixed with the support column, the bottom of support column all is fixed with first screw-nut, first screw-nut's inboard all is provided with the first lead screw of matched with, and the end of first lead screw all rotates with the base to be connected, relates to flat knitting machine technical field. The utility model discloses a first lead screw and the second lead screw that set up rotate first lead screw and second lead screw under first lead screw and first screw-nut and second lead screw and second screw-nut's mutually supporting, realize that the support column drives about the second gyro wheel and reciprocates, make things convenient for the tensioning yarn, under the effect of spring, when the yarn extrudees the second gyro wheel downwards, the spring is effectual has reduced the cylinder to the tension of yarn, effectively avoid the second gyro wheel to tear the yarn apart at the removal in-process.
Description
Technical Field
The utility model relates to a flat-bed machine technical field specifically is a yarn overspeed device tensioner for computerized flat knitting machine.
Background
The computerized flat knitting machine is a double-needle-plate latch needle weft knitting machine, a cam device of the computerized flat knitting machine is just like a group of plane cams, the stitch of a knitting needle can enter a groove of the cam, a cam is moved, the knitting needle is forced to do regular lifting motion in the groove of a needle plate, and the yarn can be knitted into a knitted fabric through the action of a needle hook and a needle latch.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the yarn tensioning device for the computerized flat knitting machine is used for solving the problems that the flat knitting machine does not have a yarn tensioning structure, the tensioning degree of yarns cannot be well adjusted, the tension of the yarns cannot be timely sensed in the yarn adjusting process, and the yarns are easily broken.
In order to achieve the above object, the utility model provides a following technical scheme: a yarn tensioning device for a computerized flat knitting machine comprises a base, wherein a support frame is arranged in the middle of the top of the base, the top of the support frame is rotatably connected with a first roller, support columns are fixed on two sides of the support frame, a first lead screw nut is fixed at the bottom of each support column, a first lead screw matched with the first lead screw is arranged on the inner side of each first lead screw nut, the tail end of each first lead screw is rotatably connected with the base, a support rod is rotatably connected with the outer side of each first lead screw, a first slide bar is connected to one end, far away from the first lead screw, of each side of the base, a slide block is slidably connected to the outer side of each first slide bar, a second slide bar and a second lead screw are rotatably connected to two ends of the inner part of each support column respectively, a support block and a fixed block are slidably connected to the outer side of each second slide bar, and a second screw rod nut matched with the second screw rod is arranged on the outer side of the second screw rod.
Preferably, a spring is arranged on the outer side of the second sliding rod, and the tail end of the spring is fixedly connected with the supporting block and the fixed block respectively.
Preferably, a connecting rod is fixed at one end of the sliding block, and the sliding block is fixedly connected with the first lead screw nut through the connecting rod.
Preferably, the tail end of the fixing block is fixedly connected with the second lead screw nut.
Preferably, the outer side of the first screw rod is provided with a first external thread, and the inner side of the first screw rod nut is provided with a first internal thread matched with the first external thread.
Preferably, the outer side of the second lead screw is provided with a second external thread, and the inner side of the second lead screw nut is provided with a second internal thread matched with the second external thread.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a first lead screw and the second lead screw that set up, under the mutually supporting of first lead screw and first screw-nut and second lead screw and second screw-nut, through rotating first lead screw and second lead screw, realize that the support column drives about the second gyro wheel and reciprocates, make things convenient for the tensioning yarn, under the effect of spring, when the yarn extrudees the second gyro wheel downwards, the spring is effectual to have reduced the cylinder to the tension of yarn, avoid the second gyro wheel to tear the yarn apart at the removal in-process, protect the yarn.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic side view of the present invention.
In the figure: 1. a base; 2. a spring; 3. a support frame; 4. a first roller; 5. a support pillar; 6. a first lead screw; 7. a support bar; 8. a first lead screw nut; 9. a connecting rod; 10. a first slide bar; 11. a slider; 12. a second roller; 13. a second slide bar; 14. a second lead screw; 15. a second feed screw nut; 16. a fixed block; 17. and (7) a supporting block.
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.
Referring to fig. 1-3, a yarn tensioning device for a computerized flat knitting machine comprises a base 1, a support frame 3 is arranged in the middle of the top of the base 1, the top of the support frame 3 is rotatably connected with a first roller 4, support columns 5 are fixed on both sides of the support frame 3, first lead screw nuts 8 are fixed on the bottoms of the support columns 5, first lead screws 6 matched with each other are arranged on the inner sides of the first lead screw nuts 8, the tail ends of the first lead screws 6 are rotatably connected with the base 1, a support rod 7 is rotatably connected on the outer side of the first lead screws 6, a first slide bar 10 is connected to one end of each of both sides of the base 1 far away from the first lead screws 6, a slide block 11 is slidably connected to the outer side of the first slide bar 10, a second slide bar 13 and a second lead screw 14 are rotatably connected to both ends of the inside of the support columns 5, a support block 17 and a fixed, one side of the supporting block 17 is rotatably connected with a second roller 12, and the outer side of the second screw rod 14 is provided with a second screw rod nut 15 matched with the second screw rod nut.
The utility model discloses a second slide bar 13 that sets up rotates when second lead screw 14 and drives second screw-nut 15 upward movement, makes second screw-nut 15 drive fixed block 16 and supporting shoe 17 upward movement, makes second slide bar 13 carry on spacingly to supporting shoe 17, avoids second gyro wheel 12 to rock under the effect of spring 2 and sways, makes the tensioning of the better cooperation yarn of second gyro wheel 12.
Please refer to fig. 1 and 3, the spring 2 is disposed outside the second sliding rod 13, and the ends of the spring 2 are fixedly connected to the supporting block 17 and the fixing block 16, respectively.
This kind of a yarn overspeed device tensioner for computerized flat knitting machine extrudees second gyro wheel 12 downwards at the yarn through the spring 2 that sets up, makes spring 2 reduce the pulling force of second gyro wheel 12 to the yarn, avoids the too big fracture of yarn pulling force.
Please refer to fig. 1 and 2, a connecting rod 9 is fixed at one end of the sliding block 11, and the sliding block 11 is fixedly connected with the first lead screw nut 8 through the connecting rod 9.
This kind of a yarn overspeed device tensioner for computerized flat knitting machine passes through the connecting rod 9 that sets up, makes first lead screw 6 rotate and drives the position about first screw-nut 8, and slider 11 is spacing to first screw-nut 8's position, makes first screw-nut 8's removal more stable.
Please refer to fig. 3, the end of the fixed block 16 is fixedly connected to the second lead screw nut 15.
According to the yarn tensioning device for the computerized flat knitting machine, the second lead screw nut 15 can drive the fixing block 16 to move up and down more conveniently through the arranged fixing block 16, so that the second roller 12 is driven to move up and down.
Please refer to fig. 1 and 2, the first lead screw 6 is provided with a first external thread at the outer side thereof, and the first lead screw nut 8 is provided with a first internal thread at the inner side thereof for engaging with the first external thread.
This kind of a yarn overspeed device tensioner for computerized flat knitting machine makes the better left and right sides position that drives second gyro wheel 12 of first screw-nut 8 adjust through first external screw thread and the first internal thread that sets up to better tensioning yarn.
Please refer to fig. 1 and 3, the outer side of the second lead screw 14 is provided with a second external thread, and the inner side of the second lead screw nut 15 is provided with a second internal thread matching with the second external thread.
This kind of a yarn overspeed device tensioner for computerized flat knitting machine makes the height that second feed screw nut 15 better drives second gyro wheel 12 adjust through second external screw thread and the second internal thread that sets up to better tensioning yarn.
The working principle is as follows: when the yarn is used, the second lead screw 14 is rotated, the second lead screw nut 15 drives the fixed block 16 to move upwards under the mutual matching of the second lead screw 14 and the second lead screw nut 15, the fixed block 16 drives the supporting block 17 and the second roller 12 to move upwards on the second sliding rod 13, the yarn is positioned at the top of the second roller 12, when the yarn is excessively tensioned, the downward acting force of the yarn on the second roller 12 is downward, the second roller 12 downwards extrudes the spring 2, the downward pressure of the yarn is effectively reduced by the spring 2, the excessive breakage of the yarn tension is avoided, then the first lead screw 6 is rotated, the first lead screw nut 8 drives the supporting column 5 to move left and right under the mutual matching of the first lead screw 6 and the first lead screw nut 8, the supporting column 5 drives the second roller 12 to move left and right, the second roller 12 is moved downwards and left and right by rotating the first lead screw 6 and the second lead screw 14, the yarn can be loosened and tensioned more conveniently.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
Claims (6)
1. The utility model provides a yarn overspeed device tensioner for computerized flat knitting machine, includes base (1), its characterized in that: the middle position of the top of the base (1) is provided with a support frame (3), the top of the support frame (3) is rotatably connected with a first roller (4), both sides of the support frame (3) are both fixed with support columns (5), the bottom of each support column (5) is both fixed with a first lead screw nut (8), the inner sides of the first lead screw nuts (8) are both provided with a first lead screw (6) matched with each other, the tail end of the first lead screw (6) is rotatably connected with the base (1), the outer side of the first lead screw (6) is rotatably connected with a support rod (7), one end of both sides of the base (1) far away from the first lead screw (6) is connected with a first slide bar (10), the outer side of the first slide bar (10) is slidably connected with a slide block (11), both ends of the inner part of each support column (5) are respectively rotatably connected with a second slide bar (13) and a second lead, the outer side of the second sliding rod (13) is sequentially connected with a supporting block (17) and a fixed block (16) in a sliding mode from top to bottom, one side of the supporting block (17) is rotatably connected with a second roller (12), and the outer side of the second screw rod (14) is provided with a second screw rod nut (15) matched with the second screw rod nut.
2. A yarn tensioning device for a computerized flat knitting machine as claimed in claim 1 wherein: and a spring (2) is arranged on the outer side of the second sliding rod (13), and the tail end of the spring (2) is fixedly connected with the supporting block (17) and the fixed block (16) respectively.
3. A yarn tensioning device for a computerized flat knitting machine as claimed in claim 1 wherein: one end of the sliding block (11) is fixed with a connecting rod (9), and the sliding block (11) is fixedly connected with the first screw rod nut (8) through the connecting rod (9).
4. A yarn tensioning device for a computerized flat knitting machine as claimed in claim 1 wherein: the tail end of the fixed block (16) is fixedly connected with the second screw rod nut (15).
5. A yarn tensioning device for a computerized flat knitting machine as claimed in claim 1 wherein: the outer side of the first screw rod (6) is provided with a first external thread, and the inner side of the first screw rod nut (8) is provided with a first internal thread matched with the first external thread.
6. A yarn tensioning device for a computerized flat knitting machine as claimed in claim 1 wherein: and a second external thread is arranged on the outer side of the second lead screw (14), and a second internal thread matched with the second external thread is arranged on the inner side of the second lead screw nut (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921123691.9U CN210506701U (en) | 2020-03-19 | 2020-03-19 | Yarn tensioning device for computerized flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921123691.9U CN210506701U (en) | 2020-03-19 | 2020-03-19 | Yarn tensioning device for computerized flat knitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210506701U true CN210506701U (en) | 2020-05-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921123691.9U Expired - Fee Related CN210506701U (en) | 2020-03-19 | 2020-03-19 | Yarn tensioning device for computerized flat knitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210506701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111575898A (en) * | 2020-05-25 | 2020-08-25 | 嘉兴万邦宏新材料科技有限公司 | Yarn breakage alarm mechanism of warp knitting machine |
-
2020
- 2020-03-19 CN CN201921123691.9U patent/CN210506701U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111575898A (en) * | 2020-05-25 | 2020-08-25 | 嘉兴万邦宏新材料科技有限公司 | Yarn breakage alarm mechanism of warp knitting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 Termination date: 20210319 |