CN203229729U - Side yarn warp beam driving device - Google Patents
Side yarn warp beam driving device Download PDFInfo
- Publication number
- CN203229729U CN203229729U CN 201320142016 CN201320142016U CN203229729U CN 203229729 U CN203229729 U CN 203229729U CN 201320142016 CN201320142016 CN 201320142016 CN 201320142016 U CN201320142016 U CN 201320142016U CN 203229729 U CN203229729 U CN 203229729U
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- yarn
- axle
- limit
- motor
- side yarn
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Abstract
The utility model relates to the technical field of warp knitting machines, in particular to a side yarn warp beam driving device which comprises a frame, side yarn warp beams, a motor and a yarn tension sensor. The side yarn warp beams are arranged on two sides of the frame and connected with the motor driven by a controller. The controller is connected with at least one yarn tension sensor, and side yarn penetrates the yarn tension sensor to be fed into a looping part. The motor is formed by a servo drive provided with an integrated controller. By means of the side yarn warp beam driving device, side yarn tension can be well controlled even when working speed of a machine changes greatly.
Description
Technical field
The utility model relates to the warp knitting machine technical field, and especially a kind of limit yarn is through the drive unit of axle.
Background technology
On a kind of known warp knitting machine, except main warp axle and flower also are provided with the limit yarn through axle through axle.All these all are rotatably supported on the frame through axle.On axle, twining the yarn group equably.In the middle of machine braiding process, the yarn on axle is sent in the circle forming, and circle forming inweaves yarn in the middle of the fabric by the lopping campaign.Wherein the warp thread on the main warp axle is used for the ground institutional framework of braided fabric, and the jacquard weave yarn of flower on axle forms design in the ground institutional framework.The effect of the limit yarn of limit yarn on axle is, more yarn inweaved on the selvedge of fabric, thus the tension force of raising selvedge, to reduce the interior contracting of fabric.Generally, be used for the required yarn of design on the natural selvedge and be less than the fabric middle part, and yarn generally has elasticity, so the tension force at selvedge and fabric middle part is also inequality.If there is not the adjection of limit yarn, the selvedge of fabric can be because the contracting consumingly less than the fabric middle part of its tension force.
In the through-drive mode, yarn tension direct pull limit, limit yarn rotates the warp let-off through axle at a kind of known limit yarn.Meanwhile, the limit yarn is provided with a brake apparatus through axle, and when limit yarn demand reduced, brake apparatus opposite side yarn applied brake force through axle.But brake apparatus can be made of through fine rule or the faciola that axle applies frictional force the opposite side yarn that links to each other with suspension weight or spring.The brake force of brake apparatus can be regulated before machine takes up one's knitting in advance.In the braiding process, it is constant that brake force keeps.
When bigger variation takes place in limit yarn yarn demand, rely on limit yarn tension and brake apparatus frictional force to come acceleration and deceleration limit yarn through axle, there is the problem that reaction speed is slow and the yarn tension fluctuation is big.For example, behind machine startup, machine works speed improves rapidly, and the demand of limit yarn yarn also increases rapidly thereupon.For the limit yarn is accelerated to corresponding rotating speed at short notice through the bigger quality of axle, the limit yarn must be to applying very big pulling force through axle, and consequent limit yarn tension is the very large load of opposite side yarn, and the limit yarn is easy to therefore wear and tear, even may snap.
The utility model content
In order to overcome the deficiency of existing technology, the utility model provides the drive unit of a kind of limit yarn through axle.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of limit yarn is through the drive unit of axle, comprise that frame, limit yarn are through axle, motor and yarn tension sensor, the limit yarn is loaded on the frame both sides through axle, described limit yarn is connected with motor through axle, motor is driven by controller, controller is connected with at least one yarn tension sensor, and the limit yarn passes yarn tension sensor and sends into loop-forming element.
According to another embodiment of the present utility model, comprise that further described motor is made of servo-drive, servo-drive has integrated controller.
The beneficial effects of the utility model are, the utility model can make machine when bigger variation takes place operating rate, and tension force that also can the opposite side yarn carries out better controlled.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is structural representation of the present utility model;
Among the figure 1, frame, 2, the limit yarn is through axle, 3, motor, 4, yarn tension sensor, 5, controller, 6, the limit yarn.
The specific embodiment
Be structural representation of the present utility model as Fig. 1, a kind of limit yarn is through the drive unit of axle, comprise that frame 1, limit yarn are through axle 2, motor 3 and yarn tension sensor 4, the limit yarn is loaded on frame 1 both sides through axle 2, described limit yarn is connected with motor 3 through axle 2, motor 3 is driven by controller 5, and controller 5 is connected with at least one yarn tension sensor 4, and limit yarn 6 passes yarn tension sensor 4 and sends into loop-forming element.
Preferably, described motor 3 is made of servo-drive, and servo-drive has integrated controller 5., need only import the actual value of limit yarn tension to servo-drive herein, can realize desirable motor rotation by controller 5.In addition, servomotor can change rotating speed quickly, thus the variation that can be good at catching up with machine works speed.
Method of work of the present utility model is: by driving the limit yarn through axle 2 with motor 3, can guarantee that the rotation of motor 3 is directly delivered to the limit yarn on axle 2, so that the limit yarn rotates according to motor 3 given modes fully through axle 2.Thereby motor 3 can drive the limit yarn and rotate quickly through axle 2 when limit yarn yarn demand is bigger, and rotates more slowly when limit yarn yarn demand is less.The transformation of rotating speed can realize in a short period of time exactly.In the braiding process, yarn tension sensor 4 is constantly measured the tension force of limit yarn, and this actual value information passed to controller 5, controller 5 is controlled motor 3 by the desirable limit yarn tension value of relatively this actual value and setting and is rotated, make the as close as possible setting value of actual value, thereby make the limit yarn keep moderate tension.Because the limit yarn no longer directly by the pulling of limit yarn tension, when bigger variation takes place machine works speed, can not produce excessive load on the yarn of limit through axle 2 more yet.
The utility model can make machine when bigger variation takes place operating rate, and the tension force of energy opposite side yarn carries out better controlled, is worthy of popularization.
Claims (2)
1. a limit yarn is through the drive unit of axle, comprise that frame (1), limit yarn are through axle (2), motor (3) and yarn tension sensor (4), the limit yarn is loaded on frame (1) both sides through axle (2), it is characterized in that, described limit yarn is connected with motor (3) through axle (2), motor (3) is driven by controller (5), and controller (5) is connected with at least one yarn tension sensor (4), and limit yarn (6) passes yarn tension sensor (4) and sends into loop-forming element.
2. limit according to claim 1 yarn is characterized in that through the drive unit of axle described motor (3) is made of servo-drive, and servo-drive has integrated controller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320142016 CN203229729U (en) | 2013-03-27 | 2013-03-27 | Side yarn warp beam driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320142016 CN203229729U (en) | 2013-03-27 | 2013-03-27 | Side yarn warp beam driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203229729U true CN203229729U (en) | 2013-10-09 |
Family
ID=49285866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320142016 Expired - Lifetime CN203229729U (en) | 2013-03-27 | 2013-03-27 | Side yarn warp beam driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203229729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103898698A (en) * | 2014-04-24 | 2014-07-02 | 江苏瓯堡纺织染整有限公司 | Creel with side hanging function |
-
2013
- 2013-03-27 CN CN 201320142016 patent/CN203229729U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103898698A (en) * | 2014-04-24 | 2014-07-02 | 江苏瓯堡纺织染整有限公司 | Creel with side hanging function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131009 |