CN203807667U - Air jet loom let-off device - Google Patents
Air jet loom let-off device Download PDFInfo
- Publication number
- CN203807667U CN203807667U CN201420132299.1U CN201420132299U CN203807667U CN 203807667 U CN203807667 U CN 203807667U CN 201420132299 U CN201420132299 U CN 201420132299U CN 203807667 U CN203807667 U CN 203807667U
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- tension
- jet loom
- roller
- warp
- yoke shape
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Abstract
The utility model discloses an air jet loom let-off device. The air jet loom let-off device comprises a left machine frame and a right machine frame which are in same structure; a tension roller and a transitional roller are installed between the left machine frame and the right machine frame; the left machine frame and the right machine frame both comprise a lifting support and a positioning base which is installed above the lifting support; a tension roller supporting mechanism is respectively installed on the two positioning bases; every tension roller supporting mechanism comprises a rocking shaft; a rocking arm is installed at one end of every rocking shaft and a flexible supporting arm is installed at the other end; the rocking arms are arranged on the external sides of the left machine frame and the right machine frame; the flexible supporting arms are arranged on the internal sides of the left machine frame and the right machine frame; the external sides of the rocking arms are connected with a positive type warp loosening mechanism or a passive type tension mechanism; bushings or bearings which are used for installing the tension rollers are arranged on the flexible supporting arms. The air jet loom let-off device has the advantages of transmitting power of the positive type warp loosening mechanism or the passive type tension mechanism to the internal sides of the machine frames from the external sides and being reasonable in integral mechanism and stable and reliable in performance.
Description
Technical field
The utility model relates to a kind of air-jet loom, relates in particular to a kind of jet loom warp feeding device.
Background technology
The effect of the let-off motion of air-jet loom in whole weaving process is the requirement to filling density size according to fabric tissue, sends in time warp thread quantitative and that have some tension in weaving process, weaves carrying out continuously of production to maintain.In weaving process, whether uniformity of warp tension when beam of a loom changes from big to small, is the main standard of weighing let-off motion performance quality, and the size of warp tension and stability, depends on to a great extent the size of warp run-in.Some float of fabric causes because the warp let-off is irregular, if the generation of uneven weaving is irregular the causing of the warp let-off due to short-movie section, length code is irregular the causing of the warp let-off due to long segment, visible, and the performance quality of let-off motion directly has influence on the quality of fabric and carrying out continuously of production.
Let-off motion is classified and can be divided into three basic forms of it from the mode of sending of warp thread, that is: passive type tension mechanism, half positive half passive type let-off motion and active type let-off motion.At present, no matter be active type let-off motion or passive type tension mechanism, it is in order to ensure the rigidity of tension roller, the strong point of tension roller is all in the inner side of roller bracing frame, the power of device is all arranged on the inner side of loom side, although such structural design has ensured the rigidity of roller, the loose warp time that cannot solve easing amount is difficult to the problem regulating, and this complete machine mechanism is unreasonable, reduce the overall performance of loom.Some air-jet looms support outside to extend to roller mode by the direct lengthening back rest solves the problems referred to above, but because roller lengthens, weight increases, and reduced stiffness causes roller distortion to cause that warp tension differs greatly, and component wear is fast, and the life-span reduces.
As can be seen here, prior art awaits further improving.
Utility model content
The utility model is the weak point of avoiding above-mentioned prior art to exist, and a kind of jet loom warp feeding device is provided.
The technical scheme that the utility model adopts is:
A kind of jet loom warp feeding device, comprises left frame and right frame that structure is identical, and jockey pulley and transition roller are installed between left and right frame, and left and right frame includes lifting support and is arranged on the positioning seat of lifting support top; On two positioning seats, be separately installed with supporting mechanism of drag roller, each supporting mechanism of drag roller includes rocker, one end of each rocker is all provided with rocking arm, the other end movable arms is all installed; rocking arm is positioned at the outside of left and right frame; movable arms is positioned at the inner side of left and right frame; the outside of each rocking arm is connected with active type loose warp mechanism or passive type tension mechanism, is provided with lining or bearing for above-mentioned jockey pulley is installed in each movable arms.
Between described two positioning seats, arrange and also have tension-detecting mechanism, this tension-detecting mechanism comprises and is arranged on a left side, connecting axle between right frame and two lay respectively at the both sides of connecting axle and the tension force fulcrum with connecting axle coaxial line, connecting axle and mentioned strain roller, transition roller be parallel to each other and jockey pulley between connecting axle and transition roller, each tension force fulcrum is all connected with connecting axle by shaft coupling support arm, each shaft coupling support arm is arranged on respectively on positioning seat, wherein one end of a shaft coupling support arm is provided with connecting rod, this connecting rod be connected with lifting support and connecting rod on be provided with tension pick-up, between above-mentioned rocker and positioning seat, between rocker and shaft coupling support arm, be provided with self-aligning bearing.
The left and right two ends of described jockey pulley are separately installed with roller arrestment mechanism, this roller arrestment mechanism comprises yoke shape device and yoke shape device location-plate, yoke shape device is nested with the one end at jockey pulley, yoke shape device location-plate is connected with rocking arm, one end of yoke shape device by set bolt be fastened on yoke shape device location-plate, the other end is connected with yoke shape device location-plate by adjusting bolt.
The loose warp bar that described active type loose warp mechanism comprises loose warp assembly and is connected with rocking arm, loose warp assembly comprises loose warp dish, one end of loose warp bar by oscillating bearing be connected with rocking arm, the other end is connected with loose warp dish by telescopic connection bar, in loose warp dish, rolling bearing is installed, in the inner ring of rolling bearing, eccentric bushing is installed, eccentric bushing is connected with loom driving shaft.
Described passive type tension mechanism comprises connecting plate and tension rail, connecting plate is fixed on positioning seat, rotating rotating fulcrum is installed on connecting plate, on rotating fulcrum, offer the through hole that can pass for tension rail, one end of tension rail and above-mentioned rocking arm are hinged, and the other end is equipped with tension spring and for tension spring is carried out to spacing adjusting nut.
Between described yoke shape device and jockey pulley, be provided with elastic-friction sheet.
The plane at contact-making surface place and the central axis of jockey pulley of described yoke shape device and yoke shape device location-plate are parallel to each other.
The outside of described left and right frame is provided with scale plate.
The diameter of axle of described connecting axle is less than the roller footpath of jockey pulley.
Owing to having adopted technique scheme, the obtained beneficial effect of the utility model is:
The utility model is delivered to the power of active type loose warp mechanism and passive type tension mechanism inner side from the outside of frame, the strong point of warp tension roller is in the inner side of frame, in having ensured roller rigidity of support, solve the problem of the existing easing amount of original let-off motion and loose warp Timing difficulty, make loom structure more reasonable, improved the overall performance of loom.
Brief description of the drawings
Fig. 1 is the structural representation with the jet loom warp feeding device of active type loose warp mechanism.
Fig. 2 is the rearview with the jet loom warp feeding device of active type loose warp mechanism.
Fig. 3 is the top view with the jet loom warp feeding device of active type loose warp mechanism.
Fig. 4 is the left view with the jet loom warp feeding device of active type loose warp mechanism.
Fig. 5 is that the A-A of Fig. 2 is to view.
Fig. 6 is that the F-F of Fig. 5 is to view.
Fig. 7 is that the B-B of Fig. 2 is to view.
Fig. 8 is that the C-C of Fig. 2 is to view.
Fig. 9 is that the D-D of Fig. 4 is to view.
Figure 10 is the top view with the jet loom warp feeding device of passive type tension mechanism.
Figure 11 is the left view with the jet loom warp feeding device of passive type tension mechanism.
Wherein,
1, frame 101, left frame 102, right frame 103, lifting support 104, positioning seat 105, transition roller 106, jockey pulley 2, supporting mechanism of drag roller 201, rocker 202, rocking arm 203, movable arms 3, tension-detecting mechanism 301, connecting axle 302, shaft coupling support arm 303, tension force fulcrum 304, connecting rod 305, tension pick-up 306, self-aligning bearing 307, the first rolling bearing 4, roller arrestment mechanism 401, yoke shape device location-plate 402, yoke shape device 403, elastic-friction sheet 404, set bolt 405, adjusting bolt 5, active type loose warp mechanism 501, loose warp dish 502, telescopic connection bar 503, loose warp bar 504, eccentric bushing 505, locking strap 506, the second rolling bearing 507, oscillating bearing 6, passive type tensioner 601, connecting plate 602, rotating fulcrum 603, tension rail 604, tension spring 605, adjusting nut 7, scale plate
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail, but the utility model is not limited to these embodiment.
As shown in Figures 1 to 6, a kind of jet loom warp feeding device, comprise frame 1, described frame 1 comprises left frame 101 and the right frame 102 that structure is identical, the outside of described left and right frame is provided with scale plate 7, jockey pulley 106 and transition roller 105 are installed between left and right frame, and left and right frame includes lifting support 103 and is arranged on the positioning seat 104 of lifting support 103 tops, on two positioning seats 104, be separately installed with supporting mechanism of drag roller 2, each supporting mechanism of drag roller 2 includes rocker 201, one end of each rocker 201 is all provided with rocking arm 202, the other end is all provided with movable arms 203, rocking arm 202 is positioned at a left side, the outside of right frame, movable arms 203 is positioned at a left side, the inner side of right frame, under the connection of rocker 201, movable arms 203 just links together to synchronize with rocking arm 202 and rotates, the outside of each rocking arm 202 is connected with active type loose warp mechanism 5 or passive type tension mechanism 6, in each movable arms 203, be provided with lining or the bearing for above-mentioned jockey pulley 106 is installed, between described two positioning seats 104, arrange and also have tension-detecting mechanism 3, this tension-detecting mechanism 3 comprises and is arranged on a left side, connecting axle 301 between right frame and two lay respectively at the both sides of connecting axle 301 and the tension force fulcrum 303 with connecting axle 301 coaxial lines, tension force fulcrum 303 is arranged on above-mentioned positioning seat by the first rolling bearing 307, the diameter of axle of connecting axle is less than the roller footpath of jockey pulley, connecting axle and mentioned strain roller, transition roller be parallel to each other and jockey pulley between connecting axle and transition roller, each tension force fulcrum is all connected with connecting axle by shaft coupling support arm, each shaft coupling support arm is arranged on respectively on positioning seat 104, wherein one end of a shaft coupling support arm 302 is provided with connecting rod 304, this connecting rod 304 be connected with lifting support 103 and connecting rod 304 on be provided with tension pick-up 305, tension pick-up 305 can be experienced the moment of torsion that tension force fulcrum 303 produces, between above-mentioned rocker 201 and positioning seat 104, between rocker 201 and shaft coupling support arm 302, be provided with self-aligning bearing 306.
The utility model supports a rocker 201 with positioning seat 104 and shaft coupling support arm 302, the two ends of rocker 201 have self-aligning bearing to support, this supporting construction can allow the inside and outside strong point to have relative to small moving, that is to say and allow rocker 201 can have slight inclination, although the centre of support point of the self-aligning bearing between rocker 201 and positioning seat 104 is fixed, but the self-aligning bearing not having influence between rocker 201 and shaft coupling support arm 302 can slightly move, this supporting construction has ensured that the rotation trend of shaft coupling support arm 302 is unaffected, pressure from warp tension on jockey pulley 106 just can pass through movable arms 203, rocker 201 is all delivered on shaft coupling support arm 302 and forms torque, tension pick-up 305 also can be very sensitive accurate to the detection of warp tension.It should be noted that, tension pick-up 305 is under the tension force effect varying in size, and its length variations is very small, negligible; In addition, left and right frame links together by connecting axle 301, and the warp tension that whole weaving-machine tension roller 106 is experienced can be delivered on tension pick-up 305, and it is also comprehensively reliably that tension force detects.The utility model utilizes the characteristic of self-aligning bearing, support a rocker that can tilt arbitrarily 201 with 2; rocking arm 202 is also arranged between two bearings; rationally axle supports and parts are arranged and ensured support strength; also ensured to run up and can be accurately and reliably compared with the positive easing motion under hightension state and tension force detection performance; what need to further illustrate is; after jockey pulley 106, generally will have a transition roller 105 to position the route of warp thread simultaneously, constant to ensure that warp thread acts on pressure on jockey pulley 106.
As Fig. 2, shown in Fig. 7 and Fig. 8, the control of rotating for jockey pulley 106, existing air-jet loom is generally rotate or maintain static, it is inhomogeneous that complete motionless meeting causes jockey pulley 106 to wear and tear, rotate flexibly some fabric knitting undesirable again, therefore, existing jockey pulley 106 brake structures can not meet user's needs, in the utility model, a left side for jockey pulley 106, right two ends are separately installed with roller arrestment mechanism 4, this roller arrestment mechanism 4 comprises yoke shape device 402 and yoke shape device location-plate 401, yoke shape device 402 is parallel to each other with the plane at contact-making surface place and the central axis of jockey pulley 106 of yoke shape device location-plate 401, one end that yoke shape device 402 is nested with at jockey pulley 106, between yoke shape device 402 and jockey pulley 106, be provided with elastic-friction sheet 403, yoke shape device location-plate 401 is connected with rocking arm 202, one end of yoke shape device 402 is fastened on yoke shape device location-plate 401 by set bolt 404, the other end is connected with yoke shape device location-plate 401 by adjusting bolt 405.In the utility model, adjusting bolt 405 and set bolt 404 by yoke shape device 402 and elastic-friction sheet 403 bandings on the periphery of tension roller, because the elastic force of elastic-friction sheet 403 can be realized the slow variation of banding strength, can realize the needed brake force of different fabrics by adjusting adjusting bolt 405, the plane at contact-making surface place of yoke shape device 402 and yoke shape device location-plate 401 and the central axis of jockey pulley 106 are designed to be parallel to each other and can reduce arrestment mechanism pair roller barrel and rotate flexibly and affect.
As shown in Figure 3 and Figure 9, the loose warp bar 503 that described active type loose warp mechanism 5 comprises loose warp assembly and is connected with rocking arm 202, loose warp assembly comprises loose warp dish 501, one end of loose warp bar 503 is connected with rocking arm 202 by oscillating bearing 507, the other end is connected with loose warp dish 501 by telescopic connection bar 502, can be according to weaving process need to carry out length adjustment, the second rolling bearing 506 is installed in loose warp dish 501, eccentric bushing 504 is installed in the inner ring of the second rolling bearing 506, eccentric bushing 504 is connected with loom driving shaft, the eccentric bushing 504 of adjusting after angle is synchronizeed and is rotated with loom driving shaft by locking strap 505 lockings, eccentric bushing 504, loose warp bar 503, rocking arm 202 and loom body form quadric chain, in loom when running, is under the effect of driving shaft, eccentric bushing 504 can drive rocking arm 202 to swing, and then drive jockey pulley 106 active roll, the motion of formation positive easing.
As shown in Figure 10 and Figure 11, described passive type tension mechanism 6 comprises connecting plate 601 and tension rail 603, connecting plate 601 is fixed on positioning seat 104, rotating rotating fulcrum 602 is installed on connecting plate 601, on rotating fulcrum 602, offer the through hole that can pass for tension rail 603, one end of tension rail 603 and above-mentioned rocking arm 202 are hinged, the other end is equipped with tension spring 604 and for tension spring 604 is carried out to spacing adjusting nut 605, the pressure of the warp tension that jockey pulley 106 is subject to is delivered on tension spring 604 by rocker 201, just can realize the adjustment to warp tension by adjusting adjusting nut 605.
The part of not addressing in the utility model adopts or uses for reference prior art and can realize.
In description of the present utility model, it will be appreciated that, term " on ", orientation or the position relationship of the instruction such as D score, 'fornt', 'back', " left side ", " right side ", " level ", " top ", " end " " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.
Although more use herein the term such as such as left frame 101, lifting support 103, supporting mechanism of drag roller 2, movable arms 203, tension-detecting mechanism 3, tension force fulcrum 303, roller arrestment mechanism 4, yoke shape device location-plate 401, elastic-friction sheet 403, active type loose warp mechanism 5, locking strap 505, passive type tensioner 6, tension spring 604, scale plate 7, do not get rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Need to further illustrate, specific embodiment described herein is only to spiritual example explanation of the present utility model.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (9)
1. a jet loom warp feeding device, comprise left frame and right frame that structure is identical, left, jockey pulley and transition roller are installed between right frame, it is characterized in that: a left side, right frame includes lifting support and is arranged on the positioning seat of lifting support top, on two positioning seats, be separately installed with supporting mechanism of drag roller, each supporting mechanism of drag roller includes rocker, one end of each rocker is all provided with rocking arm, the other end is all provided with movable arms, rocking arm is positioned at a left side, the outside of right frame, movable arms is positioned at a left side, the inner side of right frame, the outside of each rocking arm is connected with active type loose warp mechanism or passive type tension mechanism, in each movable arms, be provided with lining or bearing for above-mentioned jockey pulley is installed.
2. a kind of jet loom warp feeding device according to claim 1, it is characterized in that: between described two positioning seats, arrange and also have tension-detecting mechanism, this tension-detecting mechanism comprises and is arranged on a left side, connecting axle between right frame and two lay respectively at the both sides of connecting axle and the tension force fulcrum with connecting axle coaxial line, connecting axle and mentioned strain roller, transition roller be parallel to each other and jockey pulley between connecting axle and transition roller, each tension force fulcrum is all connected with connecting axle by shaft coupling support arm, each shaft coupling support arm is arranged on respectively on positioning seat, wherein one end of a shaft coupling support arm is provided with connecting rod, this connecting rod be connected with lifting support and connecting rod on be provided with tension pick-up, between above-mentioned rocker and positioning seat, between rocker and shaft coupling support arm, be provided with self-aligning bearing.
3. a kind of jet loom warp feeding device according to claim 1, it is characterized in that: the left and right two ends of described jockey pulley are separately installed with roller arrestment mechanism, this roller arrestment mechanism comprises yoke shape device and yoke shape device location-plate, yoke shape device is nested with the one end at jockey pulley, yoke shape device location-plate is connected with rocking arm, one end of yoke shape device by set bolt be fastened on yoke shape device location-plate, the other end is connected with yoke shape device location-plate by adjusting bolt.
4. a kind of jet loom warp feeding device according to claim 1, it is characterized in that: the loose warp bar that described active type loose warp mechanism comprises easing mechanism and is connected with rocking arm, easing mechanism comprises loose warp dish, one end of loose warp bar by oscillating bearing be connected with rocking arm, the other end is connected with loose warp dish by telescopic connection bar, in loose warp dish, rolling bearing is installed, in the inner ring of rolling bearing, eccentric bushing is installed, eccentric bushing is connected with loom driving shaft.
5. a kind of jet loom warp feeding device according to claim 1, it is characterized in that: described passive type tension mechanism comprises connecting plate and tension rail, connecting plate is fixed on positioning seat, rotating rotating fulcrum is installed on connecting plate, on rotating fulcrum, offer the through hole that can pass for tension rail, one end of tension rail and above-mentioned rocking arm are hinged, and the other end is equipped with tension spring and for tension spring is carried out to spacing adjusting nut.
6. a kind of jet loom warp feeding device according to claim 3, is characterized in that: between described yoke shape device and jockey pulley, be provided with elastic-friction sheet.
7. according to a kind of jet loom warp feeding device described in claim 3 or 6, it is characterized in that: the plane at contact-making surface place and the central axis of jockey pulley of described yoke shape device and yoke shape device location-plate are parallel to each other.
8. a kind of jet loom warp feeding device according to claim 1, is characterized in that: the outside of described left and right frame is provided with scale plate.
9. a kind of jet loom warp feeding device according to claim 2, is characterized in that: the diameter of axle of described connecting axle is less than the roller footpath of jockey pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420132299.1U CN203807667U (en) | 2014-03-24 | 2014-03-24 | Air jet loom let-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420132299.1U CN203807667U (en) | 2014-03-24 | 2014-03-24 | Air jet loom let-off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203807667U true CN203807667U (en) | 2014-09-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420132299.1U Withdrawn - After Issue CN203807667U (en) | 2014-03-24 | 2014-03-24 | Air jet loom let-off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203807667U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103898668A (en) * | 2014-03-24 | 2014-07-02 | 青岛天一集团红旗纺织机械有限公司 | Let-off device of air jet loom |
| CN106435969A (en) * | 2016-10-31 | 2017-02-22 | 青岛天集团红旗纺织机械有限公司 | Positive warp loosening device of water jet loom |
| CN108950827A (en) * | 2018-07-13 | 2018-12-07 | 青岛天集团红旗纺织机械有限公司 | A kind of back rest support device of external loose warp |
-
2014
- 2014-03-24 CN CN201420132299.1U patent/CN203807667U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103898668A (en) * | 2014-03-24 | 2014-07-02 | 青岛天一集团红旗纺织机械有限公司 | Let-off device of air jet loom |
| CN103898668B (en) * | 2014-03-24 | 2015-07-08 | 青岛天一集团红旗纺织机械有限公司 | Let-off device of air jet loom |
| CN106435969A (en) * | 2016-10-31 | 2017-02-22 | 青岛天集团红旗纺织机械有限公司 | Positive warp loosening device of water jet loom |
| CN108950827A (en) * | 2018-07-13 | 2018-12-07 | 青岛天集团红旗纺织机械有限公司 | A kind of back rest support device of external loose warp |
| CN108950827B (en) * | 2018-07-13 | 2023-09-29 | 青岛天一红旗纺机集团有限公司 | Back beam supporting device of external loose warp |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140903 Effective date of abandoning: 20150708 |
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| RGAV | Abandon patent right to avoid regrant |