CN108950827B - Back beam supporting device of external loose warp - Google Patents
Back beam supporting device of external loose warp Download PDFInfo
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- CN108950827B CN108950827B CN201810766824.8A CN201810766824A CN108950827B CN 108950827 B CN108950827 B CN 108950827B CN 201810766824 A CN201810766824 A CN 201810766824A CN 108950827 B CN108950827 B CN 108950827B
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- connecting shaft
- arm
- supporting
- positioning seat
- swinging
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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
- D03D49/22—Back rests; Lease rods; Brest beams
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
The invention provides an external loose back beam supporting device, which comprises a back beam, a left positioning seat, a right positioning seat, a loose back beam device and a back beam supporting mechanism, wherein the left positioning seat and the right positioning seat are mutually symmetrical in structure; the left and right back beam supporting mechanisms comprise supporting connecting shafts and swinging connecting shafts, wherein each supporting connecting shaft is supported in mounting holes of the left and right positioning seats through bearings or bushings, the supporting connecting shafts are provided with inner and outer connecting shaft arms at the inner side and the outer side of the positioning seats and are locked with the supporting connecting shafts, each swinging connecting shaft is supported by the inner and outer connecting shaft arms through bearings or bushings, the swinging connecting shafts are provided with rear Liang Yaobei at the inner side of the positioning seats between the inner and outer connecting shaft arms and are locked with the rear Liang Yaobei, and the swinging connecting shafts are provided with swinging arms at the outer side of the outer connecting shaft arms and are locked with the swinging arms; the left and right warp loosening devices are respectively connected with swing arms positioned at the outer sides of the left and right positioning seats to form external warp loosening; tension detection mechanisms are arranged between the left and right inner connecting shaft arms and the corresponding positioning seats, and each rear beam rocker arm is provided with a bushing or a bearing for mounting the rear beam and is pressed on the rear beam rocker arm by a gland.
Description
Technical Field
The invention relates to the field of air jet loom devices, in particular to an external loose warp back beam supporting device.
Background
The warp loosening device of the air jet loom can send out yarns with certain tension in the weaving process, so that the loom can be maintained to weave normally. The original external tension sensor, rocker arm and swing arm are all installed in the outside, and the back beam needs to be lengthened, and the loom also reed the breadth and increased back Liang Chongliang, reduced back beam intensity. The other is a built-in active warp loosening device, and the tension sensor, the rocker arm and the swing arm are all arranged on the inner side, so that the warp loosening device is inconvenient to install and adjust. The external warp loosening device is supported by partial tension induction, and the tension is partially induced, so that the tension control is inaccurate, the tension is unstable, and the weaving quality is affected.
Disclosure of Invention
Aiming at the prior art problem of the back beam supporting device, the invention provides an external loose back beam supporting device.
The invention adopts the following technical scheme:
an external loose back beam supporting device comprises a back beam, a left frame, a right frame, a loose back beam device and a back beam supporting mechanism, wherein the structures of the left frame and the right frame are mutually symmetrical;
the left and right frames comprise a lifting support and a positioning seat arranged on the lifting support, and a transition roller is arranged between the positioning seats of the left and right frames;
the left and right back beam supporting mechanisms comprise supporting connecting shafts and swinging connecting shafts, each supporting connecting shaft is supported in mounting holes of the left and right positioning seats through bearings or bushings, the supporting connecting shafts are provided with inner and outer connecting shaft arms at the inner side and the outer side of the positioning seats and are locked with the supporting connecting shafts, each swinging connecting shaft is supported by the inner and outer connecting shaft arms through bearings or bushings, the inner side of the positioning seat between the inner and outer connecting shaft arms is provided with a back Liang Yaobei and is locked with the swinging connecting shaft, and the swinging connecting shaft is provided with a swinging arm at the outer side of the outer connecting shaft arm and is locked with the swinging arm;
the left and right warp loosening devices are respectively connected with swing arms positioned at the outer sides of the left and right positioning seats to form external warp loosening; tension detection mechanisms are arranged between the left and right inner connecting shaft arms and the corresponding positioning seats, and each rear beam rocker arm is provided with a bushing or a bearing for mounting the rear beam and is pressed on the rear beam rocker arm by a gland.
The rear Liang Yaobei on the left and right rear beam supporting mechanisms are connected with the rear beam, and the rear Liang Yaobei is internally arranged, so that the length of the connecting shaft of the rear beam is shortened, and the rigidity of the rear beam is ensured. The back beam supporting structure ensures the stability of the back beam supporting mechanism, and ensures that the stress on the two sides of the positioning seat is balanced, thereby ensuring that the positive warp loosening movement and the tension detection performance under high-speed operation and larger tension state can be accurate and reliable.
Further, the left and right warp loosening devices comprise driving arms and loom driving shafts; the driving arm comprises a connecting rod, and a warp loosening rod and a warp loosening disc which are connected to the two ends of the connecting rod; the length of the connecting rod in the warp loosening rod is adjustable and is fastened by a fastening screw on the warp loosening rod; the warp loosening disc is internally provided with a rolling bearing which is fastened by a bearing cover, an eccentric sleeve and a fastening sleeve are arranged in an inner ring of the rolling bearing, and the eccentric sleeve is connected with a driving shaft of the loom and is locked by the fastening sleeve; one end of the driving arm is connected with the driving shaft of the loom, and the other end is connected with the swinging arm and synchronously moves with the swinging arm.
The swing connecting shaft supported on the inner connecting shaft arm and the outer connecting shaft arm is fastened with a back beam rocker arm between the inner side of the positioning seat and the inner connecting shaft arm, the outer side of the outer connecting shaft arm is fastened with a swing arm, and the swing arm is connected with a positive warp loosening mechanism arranged on the outer side of the loom frame, so that the driving of the inner side back Liang Yaobei by the warp loosening motion on the outer side is formed.
Further, the tension detection mechanism comprises a tension sensor, a tension connecting rod, a left upper joint bearing, a right upper joint bearing, a left lower joint bearing and a right lower joint bearing; the tension sensor is arranged on the left positioning seat, two ends of the tension sensor are respectively connected with the left upper joint bearing and the left lower joint bearing, and the left upper joint bearing and the left lower joint bearing are respectively connected with the left inner connecting shaft arm and the left positioning seat; the tension connecting rod is arranged on the right positioning seat, the two ends of the tension connecting rod are respectively connected with the right upper joint bearing and the right lower joint bearing, and the right upper joint bearing and the right lower joint bearing are respectively connected with the right inner connecting shaft arm and the right positioning seat.
The left frame and the right frame are connected together through the rear Liang Yaobei, warp tension sensed by the rear beam of the whole loom can be transmitted to the tension sensor, and tension detection is comprehensive and reliable. Forming a support for the integral induction of the pressure of the back beam.
Further, through holes are arranged on the left positioning frame and the right positioning frame, and each supporting connecting shaft is supported in the mounting holes of the left positioning seat and the right positioning seat through bearings or bushings.
Further, the inner connecting shaft arm and the outer connecting shaft arm are provided with locking screws at one end of the supporting connecting shaft and are positioned by flat keys on the supporting connecting shaft, so that synchronous rotation of the supporting connecting shaft, the outer connecting shaft arm and the inner connecting shaft arm is ensured; the rear Liang Yaobei and the swing arm are provided with locking screws at one end of the swing connecting shaft and are positioned by a flat key on the swing connecting shaft, so that synchronous rotation of the swing connecting shaft, the rear Liang Yaobei and the swing arm is ensured.
Further, the inner and outer coupling arms each have a concentric through hole for supporting the swing coupling, are fitted with rolling bearings, and are fixed by the coupling cover.
Further, a long round hole which can enable the position of the positioning seat to move back and forth is formed at the position where the lifting support is connected with the positioning seat; the two ends of the left lifting support and the right lifting support are provided with wallboards, and the wallboard is connected with the lifting support to form a slotted hole which can enable the position of the lifting support to move up and down.
Further, the outer sides of the left and right frames are provided with an upper scale plate, a lower scale plate and a front scale plate and a rear scale plate. Can be used for displaying the accurate positions of the lifting support seat and the positioning seat.
The invention has the beneficial effects that:
the external loose warp is reserved, the swing arm is arranged on the inner side of the loom, the length of the connecting shaft of the back beam is shortened, the rigidity of the back beam is enhanced, the connecting shaft support arms are respectively arranged on the inner side and the outer side of the frame to support the swing arm and the swing arm, so that the stress of the whole back beam support device is balanced, the tension sensor can well sense the tension of the whole back beam, the structure of the loom is optimized, and the overall performance of the loom is improved.
Drawings
FIG. 1 is a schematic view of an external loose back beam support device;
FIG. 2 is a schematic view of a portion of the construction of the menstrual device (left side for example);
FIG. 3 is a schematic view of a portion of the rear beam support mechanism (left side for example);
FIG. 4 is a schematic view of a portion of the tension detecting mechanism (left side for example);
fig. 5 is a schematic view of the inner side structure of the right frame.
Fig. 6 is a structural connection sectional view of the tension detecting mechanism portion (taking the left side as an example).
Wherein:
001 left lifting support, 002 right lifting support, 003 left positioning seat, 004 right positioning seat, 005 swing back beam, 006 transition roller, 101 eccentric sleeve, 102 fastening sleeve, 103 loose disc, 104 connecting rod, 105 loose rod, 106 upper and lower scale plate, 107 front and rear scale plate, 108 loom driving shaft, 201 outer link arm, 202 inner link arm, 203 swing arm, 204 back Liang Yaobei, 205 swing link, 206 support link, 207 link cover, 208 gland, 209 shaft sleeve, 301 tension sensor, 302 upper joint bearing, 303 tension link, 304 lower joint bearing.
Detailed Description
The invention is described in detail below with reference to the attached drawings:
referring to fig. 1 to 5, an external warp loosening rear beam supporting device comprises a rear beam, a left frame, a right frame, a warp loosening device and a rear beam supporting mechanism, wherein the left frame and the right frame are symmetrical in structure; the left and right frames comprise a lifting support and a positioning seat arranged on the lifting support, and a transition roller is arranged between the positioning seats of the left and right frames;
the left and right back beam supporting mechanisms comprise supporting connecting shafts and swinging connecting shafts, each supporting connecting shaft is supported in mounting holes of the left and right positioning seats through bearings or bushings, the supporting connecting shafts are provided with inner and outer connecting shaft arms at the inner side and the outer side of the positioning seats and are locked with the supporting connecting shafts, each swinging connecting shaft is supported by the inner and outer connecting shaft arms through bearings or bushings, the inner side of the positioning seat between the inner and outer connecting shaft arms is provided with a back Liang Yaobei and is locked with the swinging connecting shaft, and the swinging connecting shaft is provided with a swinging arm at the outer side of the outer connecting shaft arm and is locked with the swinging arm;
the left and right warp loosening devices are respectively connected with swing arms positioned at the outer sides of the left and right positioning seats to form external warp loosening; tension detection mechanisms are arranged between the left and right inner connecting shaft arms and the corresponding positioning seats, and each rear beam rocker arm is provided with a bushing or a bearing for mounting the rear beam and is pressed on the rear beam rocker arm by a gland.
Further, the left and right warp loosening devices comprise driving arms and loom driving shafts; the driving arm comprises a connecting rod, and a warp loosening rod and a warp loosening disc which are connected to the two ends of the connecting rod; the length of the connecting rod in the warp loosening rod is adjustable and is fastened by a fastening screw on the warp loosening rod; the warp loosening disc is internally provided with a rolling bearing which is fastened by a bearing cover, an eccentric sleeve and a fastening sleeve are arranged in an inner ring of the rolling bearing, and the eccentric sleeve is connected with a driving shaft of the loom and is locked by the fastening sleeve; one end of the driving arm is connected with the driving shaft of the loom, and the other end is connected with the swinging arm and synchronously moves with the swinging arm. As shown in fig. 2.
The swing connecting shaft supported on the inner connecting shaft arm and the outer connecting shaft arm is fastened with a back beam rocker arm between the inner side of the positioning seat and the inner connecting shaft arm, the outer side of the outer connecting shaft arm is fastened with a swing arm, and the swing arm is connected with a positive warp loosening mechanism arranged on the outer side of the loom frame, so that the driving of the inner side back Liang Yaobei by the warp loosening motion on the outer side is formed.
Further, the tension detection mechanism comprises a tension sensor, a tension connecting rod, a left upper joint bearing, a right upper joint bearing, a left lower joint bearing and a right lower joint bearing; the tension sensor is arranged on the left positioning seat, two ends of the tension sensor are respectively connected with the left upper joint bearing and the left lower joint bearing, and the left upper joint bearing and the left lower joint bearing are respectively connected with the left inner connecting shaft arm and the left positioning seat; the tension connecting rod is arranged on the right positioning seat, the two ends of the tension connecting rod are respectively connected with the right upper joint bearing and the right lower joint bearing, and the right upper joint bearing and the right lower joint bearing are respectively connected with the right inner connecting shaft arm and the right positioning seat. As shown in fig. 4 and 5.
The left frame and the right frame are connected together through the rear Liang Yaobei, warp tension sensed by the rear beam of the whole loom can be transmitted to the tension sensor, and tension detection is comprehensive and reliable. Forming a support for the integral induction of the pressure of the back beam.
Further, through holes are arranged on the left positioning frame and the right positioning frame, and each supporting connecting shaft is supported in the mounting holes of the left positioning seat and the right positioning seat through bearings or bushings.
Further, the inner connecting shaft arm and the outer connecting shaft arm are provided with locking screws at one end of the supporting connecting shaft and are positioned by flat keys on the supporting connecting shaft, so that synchronous rotation of the supporting connecting shaft, the outer connecting shaft arm and the inner connecting shaft arm is ensured; the rear Liang Yaobei and the swing arm are provided with locking screws at one end of the swing connecting shaft and are positioned by a flat key on the swing connecting shaft, so that synchronous rotation of the swing connecting shaft, the rear Liang Yaobei and the swing arm is ensured.
Further, the inner and outer coupling arms each have a concentric through hole for supporting the swing coupling, are fitted with rolling bearings, and are fixed by the coupling cover.
Further, a long round hole which can enable the position of the positioning seat to move back and forth is formed at the position where the lifting support is connected with the positioning seat; the two ends of the left lifting support and the right lifting support are provided with wallboards, and the wallboard is connected with the lifting support to form a slotted hole which can enable the position of the lifting support to move up and down.
Further, the outer sides of the left and right frames are provided with an upper scale plate, a lower scale plate and a front scale plate and a rear scale plate. Can be used for displaying the accurate positions of the lifting support seat and the positioning seat.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that the invention is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the invention.
Claims (8)
1. The back beam supporting device is characterized by comprising a back beam, a left frame, a right frame, a warp loosening device and a back beam supporting mechanism, wherein the left frame and the right frame are mutually symmetrical in structure;
the left and right frames comprise a lifting support and a positioning seat arranged on the lifting support, and a transition roller is arranged between the positioning seats of the left and right frames;
the left and right back beam supporting mechanisms comprise supporting connecting shafts and swinging connecting shafts, each supporting connecting shaft is supported in mounting holes of the left and right positioning seats through bearings or bushings, the supporting connecting shafts are respectively provided with an inner connecting shaft arm and an outer connecting shaft arm at the inner side and the outer side of the positioning seats and are locked with the supporting connecting shafts, each swinging connecting shaft is supported by the inner connecting shafts and the outer connecting shafts through bearings or bushings, the inner side of the positioning seat between the inner connecting shafts and the outer connecting shafts is provided with a back Liang Yaobei and is locked with the swinging connecting shafts, and the swinging connecting shafts are provided with swinging arms at the outer sides of the outer connecting shaft arms and are locked with the swinging connecting shafts;
the left and right warp loosening devices are respectively connected with swing arms positioned at the outer sides of the left and right positioning seats to form external warp loosening; a tension detection mechanism is arranged between the left inner coupling arm and the right inner coupling arm and the corresponding positioning seat, and each rear beam rocker arm is provided with a bushing or a bearing for installing a rear beam and is pressed on the rear Liang Yaobei by a gland;
the left warp loosening device and the right warp loosening device both comprise a driving arm and a loom driving shaft, one end of the driving arm is connected with the loom driving shaft, and the other end of the driving arm is connected with the swing arm and synchronously moves with the swing arm.
2. The external loose back supporting device according to claim 1, wherein the driving arm comprises a connecting rod, and a loose warp rod and a loose warp disc connected to two ends of the connecting rod; the length of the connecting rod in the warp loosening rod is adjustable and is fastened by a fastening screw on the warp loosening rod; the warp loosening disc is internally provided with a rolling bearing which is fastened by a bearing cover, an eccentric sleeve and a fastening sleeve are arranged in the inner ring of the rolling bearing, and the eccentric sleeve is connected with a driving shaft of the loom and is locked by the fastening sleeve.
3. The external loose back support device according to claim 1, wherein the tension detecting mechanism comprises a tension sensor, a tension connecting rod, left and right upper knuckle bearings and left and right lower knuckle bearings; the tension sensor is arranged on the left positioning seat, two ends of the tension sensor are respectively connected with the left upper joint bearing and the left lower joint bearing, and the left upper joint bearing and the left lower joint bearing are respectively connected with the left inner connecting shaft arm and the left positioning seat; the tension connecting rod is arranged on the right positioning seat, the two ends of the tension connecting rod are respectively connected with the right upper joint bearing and the right lower joint bearing, and the right upper joint bearing and the right lower joint bearing are respectively connected with the right inner connecting shaft arm and the right positioning seat.
4. The external loose back support device according to claim 1, wherein the left and right positioning frames are provided with through holes, and each support connecting shaft is supported in the mounting holes of the left and right positioning seats through bearings or bushings.
5. The external loose back support device according to claim 1, wherein the inner link arm and the outer link arm are provided with locking screws at one end of the support link and are positioned by flat keys on the support link, so that synchronous rotation of the support link and the outer link arm and the inner link arm is ensured; the rear Liang Yaobei and the swing arm are provided with locking screws at one end of the swing connecting shaft and are positioned by a flat key on the swing connecting shaft, so that synchronous rotation of the swing connecting shaft, the rear Liang Yaobei and the swing arm is ensured.
6. An externally-positioned loose rear beam support device according to claim 1 wherein the inner and outer axle arms each have a concentric through bore for supporting the swing axle, and are fitted with rolling bearings and secured by axle covers.
7. The external loose back supporting device according to claim 1, wherein the lifting support is a slotted hole which can enable the position of the positioning seat to move back and forth at the position where the positioning seat is connected; the two ends of the left lifting support and the right lifting support are provided with wallboards, and the wallboard is connected with the lifting support to form a slotted hole which can enable the position of the lifting support to move up and down.
8. The external loose back support device according to claim 7, wherein the outer sides of the left and right frames are respectively provided with an upper scale plate, a lower scale plate, a front scale plate and a rear scale plate.
Priority Applications (1)
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CN201810766824.8A CN108950827B (en) | 2018-07-13 | 2018-07-13 | Back beam supporting device of external loose warp |
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CN201810766824.8A CN108950827B (en) | 2018-07-13 | 2018-07-13 | Back beam supporting device of external loose warp |
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CN108950827A CN108950827A (en) | 2018-12-07 |
CN108950827B true CN108950827B (en) | 2023-09-29 |
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CN201810766824.8A Active CN108950827B (en) | 2018-07-13 | 2018-07-13 | Back beam supporting device of external loose warp |
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Families Citing this family (1)
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CN110079922B (en) * | 2019-05-21 | 2024-03-01 | 山东日发纺织机械有限公司 | Middle supporting device for back beam of loom |
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CN101104976A (en) * | 2006-07-11 | 2008-01-16 | 津田驹工业株式会社 | Roll supporting device of loom |
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 |
CN203807667U (en) * | 2014-03-24 | 2014-09-03 | 青岛天一集团红旗纺织机械有限公司 | Air jet loom let-off device |
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 |
CN206368249U (en) * | 2016-10-31 | 2017-08-01 | 青岛天一集团红旗纺织机械有限公司 | A kind of water-jet loom active type loose warp device |
CN108265378A (en) * | 2018-04-03 | 2018-07-10 | 青岛天集团红旗纺织机械有限公司 | A kind of water-jet loom bilateral active type loose warp device and water-jet loom |
CN208562710U (en) * | 2018-07-13 | 2019-03-01 | 青岛天一红旗纺机集团有限公司 | A kind of back rest support device of external loose warp |
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2018
- 2018-07-13 CN CN201810766824.8A patent/CN108950827B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101104976A (en) * | 2006-07-11 | 2008-01-16 | 津田驹工业株式会社 | Roll supporting device of loom |
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 |
CN203807667U (en) * | 2014-03-24 | 2014-09-03 | 青岛天一集团红旗纺织机械有限公司 | Air jet loom let-off device |
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 |
CN206368249U (en) * | 2016-10-31 | 2017-08-01 | 青岛天一集团红旗纺织机械有限公司 | A kind of water-jet loom active type loose warp device |
CN108265378A (en) * | 2018-04-03 | 2018-07-10 | 青岛天集团红旗纺织机械有限公司 | A kind of water-jet loom bilateral active type loose warp device and water-jet loom |
CN208562710U (en) * | 2018-07-13 | 2019-03-01 | 青岛天一红旗纺机集团有限公司 | A kind of back rest support device of external loose warp |
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Address after: 266400 No. 188 Yinzhushan Road, Huangdao District, Qingdao City, Shandong Province Applicant after: QINGDAO TIANYI GROUP RED FLAG TEXTILE MACHINERY Co.,Ltd. Address before: 266400 No. 188 Yinzhushan Road, Huangdao District, Qingdao City, Shandong Province Applicant before: QINGDAO TIANYI GROUP RED FLAG TEXTILE MACHINERY Co.,Ltd. |
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