CN108914337B - Two-stage buffering positive pile warp let-off mechanism - Google Patents
Two-stage buffering positive pile warp let-off mechanism Download PDFInfo
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- CN108914337B CN108914337B CN201810869543.5A CN201810869543A CN108914337B CN 108914337 B CN108914337 B CN 108914337B CN 201810869543 A CN201810869543 A CN 201810869543A CN 108914337 B CN108914337 B CN 108914337B
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- warp
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/04—Control of the tension in warp or cloth
- D03D49/06—Warp let-off mechanisms
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D39/00—Pile-fabric looms
- D03D39/22—Terry looms
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/04—Control of the tension in warp or cloth
- D03D49/18—Devices for indicating warp tension
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
The utility model provides a two-stage buffering positive formula fine hair warp let-off mechanism, relates to towel loom, including controlling two blocks of wallboards, the wallboard upside is equipped with the fine hair warp beam, installs on the wallboard and adds strengthening mechanism, goes up buffer gear and fine hair axle counting mechanism, goes up strengthening mechanism and guarantees that the fine hair warp beam can not produce the circumstances such as vibration with positive let-off mechanism during operation. The fluff shaft counting mechanism is positioned between the fluff warp beam and the upper buffer mechanism. The wall plate is provided with a lower buffer mechanism, the lower buffer mechanism is positioned below the upper buffer mechanism, and the upper buffer mechanism is connected with a tension sensing mechanism. The structure of the invention is durable and reasonable, the pile warp yarns are sent out by actively and actively matching the let-off motor during the terry raising, after the terry is finished, the terry is softly and quickly returned to wait for the weaving of the next terry, and the pile warp tension and the sending-out quantity of the pile warp shaft warp yarns are fed back in time.
Description
Technical Field
The invention relates to a towel loom, in particular to a two-stage buffer positive pile warp let-off mechanism.
Background
As is known, there are two types of terry motion in the market, cloth-motion terry motion and reed-motion terry motion, and any type of terry motion requires an active pile warp let-off mechanism. The positive type is mainly embodied on the tension change induction and the mutual cooperation with other mechanisms.
At present, a single-spring pile warp let-off mechanism exists in the mainstream market; the positive pile warp let-off mechanism is provided with a primary buffer elastic device, a tension or compression spring and a driven swinging rod. The first mechanism regulates the pile warp tension completely through the spring performance, and because the spring has quality problem or aging phenomenon, when the swinging rod is reset for the relatively thin towel fabric, the rigidity is too high, and certain fluff phenomenon exists, but the mechanism is more suitable for the thick fabric. The second let-off mechanism with the primary buffer device has the disadvantages of wide variety and applicability, the service life of the buffer tube or the elastic plate (strip) is limited, the damage rate of the mechanism is increased by heavy fabrics, and the matching of the pile warp tension of the driven oscillating rod and the pile warp let-off servo has certain difference. Thus, both types of pile warp mechanisms, in response to the surface of the cloth, have slight imperfections in the uniformity of the loops.
Disclosure of Invention
In view of the above-mentioned disadvantages, the present invention provides a two-stage active pile warp let-off mechanism, which can avoid the above problems.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a two-stage buffer positive pile warp let-off mechanism comprises a left wall plate and a right wall plate, wherein a pile warp beam is arranged on the upper side of each wall plate, an upper reinforcing mechanism is arranged on each wall plate, an upper buffer mechanism and a lower buffer mechanism are also arranged on each wall plate, each upper buffer mechanism comprises an upper cloth guide roller, an anti-transition deformation iron plate, an upper elastic plate and a pile warp yarn guide tube, the upper cloth guide roller is arranged between the left wall plate and the right wall plate through a fixed shaft seat, a fixed frame is arranged on the upper cloth guide roller, an upper elastic plate is arranged on the fixed frame, the anti-transition deformation iron plate is arranged on the lower side of the upper elastic plate, the pile warp yarn guide tube is arranged on the upper side of the upper elastic plate, and the lower buffer mechanism comprises a lower elastic plate, an elastic plate locking mechanism, a cloth guide roller mounting seat; the cloth guide device is characterized in that an elastic stop mechanism is arranged on the lower elastic plate supporting square beam, a lower elastic plate is installed on the elastic stop mechanism, a cloth guide roller installation seat is arranged at the upper end of the lower elastic plate, and a lower cloth guide roller is arranged on the cloth guide roller installation seat.
Further, be equipped with tension response mechanism on the wallboard, it is connected with tension response mechanism to go up buffer gear, tension response mechanism includes tension swing arm, tension switch and tension connection joint bearing, go up fabric guide roll end connection and have the tension swing arm, the tension swing arm is connected with tension switch, and tension switch is connected with tension connection joint bearing, and tension connection joint bearing rotates to be connected on the wallboard.
Further, be equipped with fine hair axle counting mechanism on the wallboard, fine hair axle counting mechanism is located between fine hair warp beam and the last buffer gear, fine hair axle counting mechanism includes fixed establishment, hold-down mechanism, fine hair axle, the board of bending, upper junction plate, count proximity switch, and fixed establishment fixes on the wallboard, two be equipped with the fine hair axle between the fixed establishment, fine hair axle top is equipped with hold-down mechanism, compresses tightly the fine hair axle through hold-down mechanism, installs the board of bending on the wallboard, the board of bending is connected with the upper junction plate, be equipped with count proximity switch on the upper junction plate, the epaxial a plurality of response holes that are equipped with of fine hair, the response hole cooperatees with count proximity switch.
Further, a cloth guide roller rubber sleeve is arranged between the cloth guide roller mounting seat and the lower cloth guide roller.
Further, the elastic plate stopping mechanism is a long straight plate.
Further, the counting proximity switch is provided with two.
Further, the distance between the upper surface of the counting proximity switch and the fluff axis is controlled to be 1 +/-0.2 mm.
Furthermore, flannelette is wound on the fluff shaft.
The invention has the beneficial effects that:
the structure of the invention is durable and reasonable, the pile warp yarns are sent out by actively and actively matching the let-off motor during the terry raising, after the terry is finished, the terry is softly and quickly returned to wait for the weaving of the next terry, and the pile warp tension and the sending-out quantity of the pile warp shaft warp yarns are fed back in time. The upper buffer mechanism and the fluff shaft counting mechanism are fixed on the wall plates at two sides through bearing seats, so that the shafts can rotate flexibly; the upper reinforcing mechanism is fixed between the two wallboards, so that the situations of vibration and the like can not be generated when the velvet warp beam and the positive let-off mechanism work; the upper buffer mechanism is connected with a tension sensing system and senses tension change at any time; the upper buffer mechanism, the elastic plate, the fixed shaft seat and the like are all made of common materials, the plate has enough elasticity and fatigue resistance after being subjected to heat treatment and partially bent, can continuously work at the speed of 400 r/min, and is low in cost; the fluff shaft is wound with the lint, so that the yarn can be effectively prevented from slipping; the lower buffer mechanism can keep the matching of the upper thread buffer mechanism and the uniform tension of the warp yarns.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural view of a fluff counting mechanism;
FIG. 4 is a schematic three-dimensional structure of the fluff counting mechanism;
FIG. 5 is a schematic three-dimensional structure according to another aspect of the present invention;
FIG. 6 is a schematic three-dimensional structure of the lower cushion mechanism;
fig. 7 is a cross-sectional view of the present invention.
Detailed Description
As shown in fig. 1 to 7, a two-stage buffer active type pile warp let-off mechanism comprises a left wall plate and a right wall plate 1, a pile warp beam 2 is arranged on the upper side of each wall plate, an upper reinforcing mechanism 3, an upper buffer mechanism 5 and a pile beam counting mechanism 4 are arranged on each wall plate, wherein the upper buffer mechanism and the pile beam counting mechanism are fixed on the wall plates on the two sides through bearing seats, so that the shafts are ensured to rotate flexibly; go up the strengthening mechanism accessible bolt fastening between two wallboards, guarantee the fine hair warp beam and the positive let-off mechanism during operation can not produce the circumstances such as vibration.
The fluff shaft counting mechanism 4 is positioned between the fluff warp shaft 2 and the upper buffer mechanism 5.
The fluff shaft counting mechanism comprises a fixing mechanism 41, a pressing mechanism 42, a fluff shaft 43, a bending plate 44, an upper connecting plate 45 and a counting proximity switch 46.
Wherein fixed establishment fixes on the wallboard, two be equipped with the fine hair axle between the fixed establishment, fine hair epaxial side is equipped with hold-down mechanism, compresses tightly the fine hair axle through hold-down mechanism, installs the board of bending on the wallboard, the board of bending is connected with the upper junction plate, be equipped with count proximity switch on the upper junction plate, fine hair is epaxial to be equipped with a plurality of response holes 47, the response hole cooperatees with count proximity switch.
The counting proximity switch is provided with two.
The distance between the upper surface of the counting proximity switch and the fluff axis is controlled to be 1 +/-0.2 mm.
When yarn (L) passes through fine hair warp beam to fine hair axle, drive its rotation, then transition to fine hair warp back beam mechanism again, the fine hair axle is when rotating, four staggered response holes that are located the terminal surface circulate through count proximity switch, every hole is when counting proximity switch, the count is once, represent the rotatory 90 degrees of fine hair axle, it is rotatory round to represent the fine hair axle when two count proximity switch all count twice, according to the diameter of a shaft size, electrical system is through count proximity switch feedback signal, calculate the fine hair warp displacement volume, then count proximity switch and fine hair warp tension sensor mutually support, publication through electrical system signal, make the warp let-off of fine hair warp beam more accurate.
According to the optimized design of the scheme, flannelette is wound on the fluff shaft. The flannelette can effectively prevent the yarn from slipping, more accurately calculate the displacement of the yarn and transmit signals to the electric control system.
The upper buffer mechanism 5 comprises an upper cloth guide roller 51, an anti-transient deformation iron plate 52, an upper elastic plate 53, a pile warp yarn guide tube 54 and other fixed installation parts.
The upper cloth guide roller is installed between the left wall board and the right wall board through a fixed shaft seat, a fixed frame is installed on the upper cloth guide roller, an upper elastic plate is arranged on the fixed frame, a transition deformation preventing iron plate is arranged on the lower side of the upper elastic plate, and the upper elastic plate 11 can be supported when the tension of the pile warp yarns is too large, so that the damage caused by too large stress of the upper elastic plate is prevented.
The upper side of the upper elastic plate is provided with a pile warp yarn guide tube 54.
After passing through the fluff shaft counting mechanism, the yarn L passes through the upper elastic plate (11) and then is transited to the lower buffer mechanism 7, under the action of yarn tension, the upper elastic plate rotates around the circle center of the upper cloth guide roller to deform, at the moment, the yarn can contact the fluff warp yarn guide tube 12, the yarn cannot fall regardless of the deformation of the elastic plate, the coating of the yarn on the upper elastic plate 11 can be increased, and the yarn tension sensing effect is increased.
The upper buffer mechanism, the upper elastic plate, the fixed shaft seat and the like are made of common materials, the plate has enough elasticity and fatigue resistance after being subjected to heat treatment and partial bending, can continuously work at the speed of 400 r/min, and is low in cost.
Still be equipped with down buffer gear 7 on the wallboard, buffer gear 7 is in buffer gear 5 below down. The lower buffer mechanism comprises a lower elastic plate 71, an elastic plate stop mechanism 72, a cloth guide roller mounting seat 73, a lower cloth guide roller 75 and a lower elastic plate supporting square beam 76; an elastic stop mechanism is arranged on the lower elastic plate supporting square beam, a lower elastic plate is installed on the elastic stop mechanism, a cloth guide roller installation seat 73 is arranged at the upper end of the lower elastic plate, and a lower cloth guide roller 75 is arranged on the cloth guide roller installation seat 73. A cloth guide roller rubber sleeve 74 is arranged between the cloth guide roller mounting seat 73 and the lower cloth guide roller 75, and the cloth guide roller rubber sleeve 74 is sleeved on the lower cloth guide roller 75.
After the yarns pass through the upper buffer mechanism and pass through the lower cloth guide roller and then pass through the dropper to the weaving opening, the elastic plate is driven by the tension of the yarns to rotate in a bending mode, the lower elastic plate can rebound quickly after the looped pile is recovered through heat treatment, the elastic plate deforms greatly when the tension is too large, and the elastic plate stop mechanism prevents the elastic plate from deforming too much and protects the elastic plate from being damaged in a bending transition mode.
According to the optimized design of the scheme, the elastic plate stopping mechanism is a long straight plate.
Be equipped with tension response mechanism 6 on the wallboard, go up buffer gear and be connected with tension response mechanism 6, respond to the tension change often.
The tension sensing mechanism 6 comprises a tension swing arm 61, a tension switch 62 and a tension connection joint bearing 63, the end of the upper cloth guide roller 51 is connected with the tension swing arm 61, the tension swing arm 61 is connected with the tension switch 62, the tension switch is connected with the tension connection joint bearing 63, and the tension connection joint bearing 63 is rotatably connected to the wallboard. After the upper buffer mechanism is pulled by yarn tension to deform, the upper cloth guide roller 51 deflects at a certain angle, so that the tension swing arm deflects, then the tension switch and the tension connection joint bearing are driven to deform, and the tension switch can sense the tension change of the upper buffer mechanism at any time.
Wherein, the tension switch can adopt an electronic switch tensiometer with the model of MKY-HTS. The tension connection joint bearing can adopt a joint bearing of GEK45ES-2 AS.
The working principle is that in the terry raising process of the fabric, the upper elastic plate of the upper buffering mechanism is deformed at first, then the lower elastic plate of the lower buffering mechanism is deformed, the tension is changed continuously, the two stages of elastic plates are simultaneously increased to be deformed, after the current terry is knitted, the yarn is reset, the tension is not allowed to be changed too much, at the moment, the lower elastic plate is firstly deformed and reset, then the upper elastic plate is reset in a small range to maintain the yarn tension, and the next terry is waited for weaving.
The mechanism, the pile warp tension sensing mechanism and the counting proximity switch are matched to sense the tension change of the pile warp more accurately and calculate the delivery amount of the pile warp more accurately. The upper and lower buffer mechanisms act simultaneously, so that the warp tension change degree can be prevented from being overlarge, and the flatness of the terry at the cloth cover can be effectively protected.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
Claims (5)
1. A two-stage buffer positive pile warp let-off mechanism comprises a left wall plate and a right wall plate, pile warp beams are arranged on the upper sides of the wall plates, and an upper reinforcing mechanism is mounted on each wall plate; the cloth guide roller comprises a lower elastic plate supporting square beam, a cloth guide roller mounting seat is arranged at the upper end of the lower elastic plate, a lower cloth guide roller is arranged on the cloth guide roller mounting seat, a tension sensing mechanism is arranged on the wall plate, an upper buffering mechanism is connected with the tension sensing mechanism, the tension sensing mechanism comprises a tension swing arm, a tension switch and a tension connecting joint bearing, the end of the upper cloth guide roller is connected with the tension swing arm, the tension swing arm is connected with the tension switch, the tension switch is connected with the tension connecting joint bearing, and the tension connecting joint bearing is rotatably connected to the wall plate; a cloth guide roller rubber sleeve is arranged between the cloth guide roller mounting seat and the lower cloth guide roller; the elastic plate stop mechanism is a long straight plate.
2. The two-stage buffering active type pile warp let-off mechanism according to claim 1, wherein a pile shaft counting mechanism is arranged on the wall plate, the pile shaft counting mechanism is located between the pile warp shaft and the upper buffering mechanism, the pile shaft counting mechanism comprises a fixing mechanism, a pressing mechanism, a pile shaft, a bending plate, an upper connecting plate and a counting proximity switch, the fixing mechanism is fixed on the wall plate, the pile shaft is assembled between the two fixing mechanisms, the pressing mechanism is arranged above the pile shaft, the pile shaft is pressed through the pressing mechanism, the bending plate is installed on the wall plate, the bending plate is connected with the upper connecting plate, the counting proximity switch is arranged on the upper connecting plate, a plurality of sensing holes are formed in the pile shaft, and the sensing holes are matched with the counting proximity switch.
3. A two-stage buffer positive pile warp let-off mechanism according to claim 2, wherein there are two count proximity switches.
4. A two-stage buffer positive pile warp let-off mechanism according to claim 2, wherein the distance of the upper surface of the counting proximity switch from the pile axis is controlled to be 1 ± 0.2 mm.
5. A two-stage buffer positive pile warp let-off mechanism according to claim 2, wherein a pile cloth is wound around the pile shaft.
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CN201810869543.5A CN108914337B (en) | 2018-08-02 | 2018-08-02 | Two-stage buffering positive pile warp let-off mechanism |
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CN201810869543.5A CN108914337B (en) | 2018-08-02 | 2018-08-02 | Two-stage buffering positive pile warp let-off mechanism |
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CN108914337A CN108914337A (en) | 2018-11-30 |
CN108914337B true CN108914337B (en) | 2021-05-25 |
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CN110629365B (en) * | 2019-09-26 | 2024-09-13 | 青岛天一红旗纺机集团有限公司 | Stable control device for raising of flannelette loom |
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JP2002173849A (en) * | 2000-12-11 | 2002-06-21 | Tsudakoma Corp | Method and apparatus for controlling pile warp |
JP5464172B2 (en) * | 2011-05-27 | 2014-04-09 | 株式会社豊田自動織機 | Pile loom pile warp tension adjuster |
CN102277677B (en) * | 2011-07-14 | 2013-08-07 | 西安工程大学 | Self-adaption let-off speed change and regulation method |
CN103803343A (en) * | 2012-11-08 | 2014-05-21 | 西北机器有限公司 | Speed measurement and meter counting mechanism of intermediate wire drawing machine |
CN206902348U (en) * | 2017-06-14 | 2018-01-19 | 四川军盛纺织有限责任公司 | The structure of two-layer yarn-dyed garment material is produced on flexible small weaving rapier loom |
CN207227674U (en) * | 2017-10-10 | 2018-04-13 | 吴江市日春纺织机械有限公司 | A kind of warp let-off tension-adjusting gear |
CN107700042A (en) * | 2017-11-14 | 2018-02-16 | 广东康特斯织造装备有限公司 | Yarn girder construction is crossed on stop mechanism for towel machine |
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Address after: 252000 West Zhonghua Road and North Songgui Road, Xuying Town, Liaocheng hi tech Industrial Development Zone, Shandong Province Applicant after: SHANDONG RIFA TEXTILE MACHINERY Co.,Ltd. Address before: 252000 China North Road head, Liaocheng economic and Technological Development Zone, Shandong Applicant before: SHANDONG RIFA TEXTILE MACHINERY Co.,Ltd. |
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