CN210886445U - Take self-locking structure's cord grip - Google Patents
Take self-locking structure's cord grip Download PDFInfo
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- CN210886445U CN210886445U CN201921572876.8U CN201921572876U CN210886445U CN 210886445 U CN210886445 U CN 210886445U CN 201921572876 U CN201921572876 U CN 201921572876U CN 210886445 U CN210886445 U CN 210886445U
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Abstract
The utility model provides a take cord grip of auto-lock structure, including being fixed in the driving motor on the extension board, the driving motor head is equipped with driving cam, and driving cam connects the one end at the pull rod, and pendulum rod and connecting rod are connected to the other end, and pendulum rod and connecting rod set up respectively in the left and right sides of pull rod, and pull rod and connecting rod are supported to the pendulum rod, and the position that is close to the connecting rod on the extension board is equipped with L type groove, is equipped with location bearing to the side of the pull rod, and location bearing removes in L type groove, and the other end of connecting. The utility model discloses a cord grip can install at the aircraft nose, and before participating in the knitting needle work of weaving, in time will float the yarn in entrance to a cave top, and the arrangement is drawn in and is pressed below the knitting needle.
Description
Technical Field
The utility model belongs to the technical field of the computer flat knitting machine technique and specifically relates to a take cord grip of auto-lock structure.
Background
In the process of knitting the garment pieces by the flat knitting machine, loop formation and loop transfer are indispensable knitting requirements of the garment pieces. The quality of the loop formation and the stability of the stitch turnover depend on whether the close fit of the loop and the crochet hook is proper or not, and the proper fit of the loop and the crochet hook can be realized only by pulling the garment piece or pressing the loop. The sinker is an important component for pressing the loop and assisting in looping. The sinker of the existing flat knitting machine realizes the pressing of yarns by using a steel wire as an axis to do circular motion through the thrust of a needle pushing triangle, so that the pressed yarns enter a knitting area, the traditional sinker can not press the yarns floating above a hole, the yarns floating above the hole can not be pressed below a knitting needle, the problem of yarn floating occurs, and the quality of a knitted product is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, provide one kind and can install at the aircraft nose, before the knitting needle work of participating in weaving, in time will float the yarn above the entrance to a cave, arrange in order to draw in and press the cord grip in the flat knitting machine below the knitting needle.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the line pressing device with the self-locking structure comprises a driving motor, wherein the driving motor is fixed on a support plate, a driving cam is arranged at the head of the driving motor and connected to one end of a pull rod, the other end of the pull rod is connected with a swing rod and a connecting rod, the swing rod and the connecting rod are respectively arranged on the left side and the right side of the pull rod, an L-shaped groove is formed in the position, close to the connecting rod, of the support plate, a positioning bearing is arranged on the side face of the connecting rod and is located in the L-shaped groove, and a presser foot is arranged at the.
Further, the swing link supports and defines the moving direction and amplitude of the pull rod and the connecting rod.
Furthermore, one end of the pull rod is connected with the driving cam through a second shaft, the other end of the pull rod is connected with the swing rod and the connecting rod through a first shaft, the other end of the swing rod is connected to the swing rod seat through a third shaft, and the swing rod seat is fixed on the support plate.
Furthermore, the hole position of the connection between the pull rod and the first shaft is a kidney-shaped hole, and a spring is connected between the first shaft and the second shaft.
Furthermore, a first positioning screw and a second positioning screw are respectively arranged at the upper left part and the lower left part of the driving cam, and the driving cam rotates between the two positioning screws in a reciprocating manner.
Furthermore, the driving cam moves to a position tangent to the second positioning screw, the connecting line between the center of the first shaft and the center of the driving motor shaft exceeds the left side of the connecting line between the center of the first shaft and the center of the second shaft, and the line pressing device is self-locked.
Furthermore, the tail end of the L-shaped groove is parallel to the extending direction of the needle plate hole.
Furthermore, the end part of the presser foot is provided with a downward inclined yarn pressing surface, two sides of the yarn pressing surface are gradually gathered towards the middle to form a yarn pressing inclined surface at the side and a yarn pressing plane at the front, and the yarn pressing surface is provided with a concave yarn passing groove.
Furthermore, the wire passing groove is a V-shaped groove with a large upper part and a small lower part.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
1. the utility model discloses a flat knitting machine cord grip can install at the aircraft nose, and before the knitting needle work of participating in weaving, in time will float the yarn in entrance to a cave top, the arrangement draws in and presses below the knitting needle.
2. The utility model discloses a flat knitting machine cord grip's drive cam can auto-lock when moving to the end, avoids the presser foot when the line ball, because the presser foot receives the bounce-back of yarn to it is rotatory to promote the drive cam through connecting rod, pull rod, causes the presser foot offset, and other parts on every side of the collision presser foot cause trouble and loss, thereby can't reach the yarn pressing effect because of the skew of presser foot position, cause the piece of cloth harmfully and the knitting needle damage.
Drawings
Fig. 1 is a schematic structural view of the self-locking line pressing device of the present invention.
Fig. 2 is a side view of the presser foot of the present invention.
Fig. 3 is a top view of the presser foot of the present invention.
Fig. 4 is a schematic view of the operation and stop of the present invention.
Fig. 5 is a schematic view of the yarn being pressed down after being furled.
Description of reference numerals: 1. a drive motor; 2. a support plate; 3. a drive cam; 4. a presser foot; 41. pressing the yarn surface; 42. pressing a yarn plane; 43. pressing a yarn inclined plane; 44. a wire passing groove; 5. a connecting rod; 6. positioning the bearing; 7. a second shaft; 8. a pull rod; 9. a spring; 10. a first shaft; 11. a swing rod; 12. a third shaft; 13 a swing rod seat; 14. a first positioning screw; 15. a second positioning screw; 16. a hole; 17. a yarn; 18. connecting line 1; 19. and (7) connecting a line 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It is to be understood that the block diagrams and specific examples are set forth herein for purposes of explanation only and are not intended as limitations on the present invention.
Example 1
As shown in fig. 1 and 5, the utility model provides a take cord grip of auto-lock structure, including driving motor 1, on driving motor was fixed in extension board 2, the driving motor head was equipped with drive cam 3, and drive cam connects the one end at pull rod 8. The other end of pull rod connects pendulum rod 11 and connecting rod 5, pendulum rod and connecting rod set up the left and right sides at the pull rod respectively, pendulum rod 11 supports pull rod 8 and connecting rod 5, and inject pull rod 8 and connecting rod 5's moving direction and range, drive cam 3 rotates, drive pull rod 8 and remove, pull rod 8 drives pendulum rod 11 and uses three 12 axles as the center and rotates, drive connecting rod 5 and remove in L type groove simultaneously, the position that is close to the connecting rod on the extension board is equipped with L type groove, preferentially, the end in L type groove is parallel with the extending direction of faller entrance to a cave 16, thereby when restriction presser foot can accurately get into entrance to a cave central operating position. The side surface of the connecting rod is provided with a positioning bearing 6 which moves in the L-shaped groove, the other end of the connecting rod is provided with a presser foot 4, and the movement of the presser foot can arrange, gather and press the yarn 17 floating above the hole 16 into the flat knitting machine below the knitting needle.
One end of the pull rod is connected with the driving cam through a second shaft 7, the other end of the pull rod is connected with the swing rod and the connecting rod through a first shaft 10, the other end of the swing rod is connected to a swing rod seat 13 through a third shaft 12, and the swing rod seat is fixed on the support plate. The presser foot can always keep a set pressure through the tension of the spring, and when the reaction force borne by the presser foot is greater than the tension of the spring, the presser foot can move in a small range in the waist-shaped hole of the pull rod, so that loss caused by rigid contact is avoided.
Example 2
As shown in figures 1 and 4, a first positioning screw 14 and a second positioning screw 15 are arranged beside the driving cam, and the driving cam rotates back and forth between the two positioning screws. The driving cam moves to a position tangent to the second positioning screw, a connecting line 2 (19 in figure 4) between the center of the first shaft and the center of the driving motor shaft exceeds the left side of a connecting line 1 (18 in figure 4) between the center of the first shaft and the center of the second shaft, and the line pressing device is self-locked. At the moment, the presser foot is subjected to the reaction force of the yarn, the connecting line 1 of two points of the center of the first shaft and the center of the second shaft exceeds the connecting line 2 of two points of the center of the first shaft and the center of the driving motor shaft, the driving cam cannot rotate anticlockwise due to the rebound force, meanwhile, the driving cam is tangent to the second positioning screw, and the driving cam cannot rotate clockwise, so that the purpose of self-locking of the yarn pressing device is achieved.
Example 3
As shown in fig. 2, 3 and 5, the end of the presser foot 4 is provided with a downward inclined yarn pressing surface 41, both sides of the yarn pressing surface gradually converge towards the middle to form a lateral yarn pressing inclined surface 43 and a front yarn pressing plane 42, and the yarn pressing surface is provided with a concave thread passing groove 44. The yarn pressing device moves left and right along with the machine head, and yarns slide to a yarn pressing plane along the yarn passing groove and the yarn pressing inclined plane and are pressed into the opening of the needle plate. Preferably, the wire passing groove is a V-shaped groove with a large upper part and a small lower part. The utility model presses the yarn by utilizing the yarn passing groove at the bottom of the yarn pressing surface, the whole yarn passing groove is in an inclined state and is matched with the introduced yarn, and the yarn is more easily pressed; meanwhile, the thread passing groove is a V-shaped groove with a large upper part and a small lower part, the large caliber is used for guiding the yarn to enter, and the small caliber end is used for positioning and pressing the yarn downwards, so that the yarn floating at the opening can be better pressed below the knitting needle, and the yarn floating is avoided.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. The line pressing device with the self-locking structure comprises a driving motor, wherein the driving motor is fixed on a support plate, and the line pressing device is characterized in that a driving cam is arranged at the head of the driving motor, the driving cam is connected to one end of a pull rod, the other end of the pull rod is connected with a swing rod and a connecting rod, the swing rod and the connecting rod are respectively arranged on the left side and the right side of the pull rod, an L-shaped groove is formed in the position, close to the connecting rod, of the support plate, a positioning bearing is arranged on the side face of the connecting rod, the positioning bearing is arranged in the L.
2. The crimping device with self-locking structure according to claim 1, wherein the swing link supports and defines the moving direction and amplitude of the pull rod and the connecting rod.
3. The line pressing device with the self-locking structure as claimed in claim 1, wherein one end of the pull rod is connected with the driving cam through a second shaft, the other end of the pull rod is connected with the swing rod and the connecting rod through a first shaft, the other end of the swing rod is connected with the swing rod seat through a third shaft, and the swing rod seat is fixed on the support plate.
4. The wire pressing device with the self-locking structure as claimed in claim 3, wherein the hole for connecting the pull rod with the first shaft is a kidney-shaped hole, and a spring is connected between the first shaft and the second shaft.
5. The wire pressing device with the self-locking structure as claimed in claim 1, wherein a first positioning screw and a second positioning screw are respectively arranged at the upper left side and the lower left side of the driving cam, and the driving cam rotates back and forth between the two positioning screws.
6. The self-locking thread pressing device as claimed in claim 5, wherein the driving cam is moved to a position tangent to the second positioning screw, and the line between the center of the first shaft and the center of the driving motor shaft exceeds the left side of the line between the center of the first shaft and the center of the second shaft, so that the thread pressing device is self-locking.
7. The thread pressing device with the self-locking structure as claimed in claim 1, wherein the tail end of the L-shaped groove is parallel to the extending direction of the hole of the needle plate.
8. The thread pressing device with the self-locking structure as claimed in claim 1, wherein the end of the presser foot is provided with a downward inclined yarn pressing surface, two sides of the yarn pressing surface gradually converge towards the middle to form a lateral yarn pressing inclined surface and a front yarn pressing plane, and the yarn pressing surface is provided with a concave thread passing groove.
9. The self-locking wire pressing device as claimed in claim 8, wherein the wire passing groove is a V-shaped groove with a large upper part and a small lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921572876.8U CN210886445U (en) | 2019-09-20 | 2019-09-20 | Take self-locking structure's cord grip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921572876.8U CN210886445U (en) | 2019-09-20 | 2019-09-20 | Take self-locking structure's cord grip |
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| Publication Number | Publication Date |
|---|---|
| CN210886445U true CN210886445U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921572876.8U Active CN210886445U (en) | 2019-09-20 | 2019-09-20 | Take self-locking structure's cord grip |
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| CN (1) | CN210886445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552109A (en) * | 2019-09-20 | 2019-12-10 | 桐乡市巨星针织机械制造有限公司 | Take self-locking structure's cord grip |
-
2019
- 2019-09-20 CN CN201921572876.8U patent/CN210886445U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552109A (en) * | 2019-09-20 | 2019-12-10 | 桐乡市巨星针织机械制造有限公司 | Take self-locking structure's cord grip |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201209 Address after: 314500 1st floor, building 2, No. 3828 Huancheng South Road, Tongxiang Economic Development Zone, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Tongtai Intelligent Technology Co., Ltd Address before: 314500 no.3828 Huancheng South Road, Tongxiang Economic Development Zone, Tongxiang City, Jiaxing City, Zhejiang Province Patentee before: TONGXIANG JUXING KNITTING MACHINERY MANUFACTURING Co.,Ltd. |
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| TR01 | Transfer of patent right |