CN104018265B - Yarn guide needle bed reciprocating linear motion device of warp beam warping machine - Google Patents
Yarn guide needle bed reciprocating linear motion device of warp beam warping machine Download PDFInfo
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- CN104018265B CN104018265B CN201410299237.4A CN201410299237A CN104018265B CN 104018265 B CN104018265 B CN 104018265B CN 201410299237 A CN201410299237 A CN 201410299237A CN 104018265 B CN104018265 B CN 104018265B
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- 230000033001 locomotion Effects 0.000 title claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
A yarn guide needle bed reciprocating linear motion device of a pattern warp beam warping machine comprises a yarn guide needle bed, a box body, a yarn guide needle bed supporting frame, an eccentric wheel, an eccentric sleeve, a swing rod, a connecting rod and a swing block, wherein the yarn guide needle bed and the yarn guide needle bed supporting frame form a moving pair, the eccentric wheel is fixed on a rotating shaft supported by the box body, the eccentric sleeve is sleeved on the eccentric wheel to form a rotating pair, the yarn guide needle bed is characterized in that a first pin shaft is fixed above the box body and positioned on the rotating shaft, the swinging block is sleeved on the first pin shaft through a pin shaft hole to form a revolute pair, the middle of the swinging rod is fixed on the swinging block, the lower end of the swinging rod is connected with the eccentric sleeve in a revolute pair mode, the upper end of the swinging rod is connected with one end of the connecting rod in a revolute pair mode, a connecting frame is fixed on the yarn guide needle bed, and one end of the connecting frame, which extends into the box body, is connected with the other end of the connecting rod in a revolute pair mode. The invention has the advantages of simple structure, easy processing, low cost, no impact during movement and stable transmission.
Description
The application is application number is 201110398603.8, and the applying date is on December 5th, 2011, and invention and created name is the divisional application of the application for a patent for invention of " the guide needle-bar straight reciprocating motion apparatus of warp beam warper ".
Technical field
The present invention relates to the moving component of warp beam warper, is guide needle-bar straight reciprocating motion apparatus.
Background technology
During flower warp beam warp knitting machine braided fabric, floricome is generally be wound in colored warp beam with yarn, and simultaneously warping machines is wound up in colored warp beam by the threads be wound on multiple yarn bucket, and this process also claims warping.For concrete warping machines, it has one or two guide needle-bars, several sley point orders are arranged on each guide needle-bar, and the one thread on each yarn bucket is through in sley point pin hole.During warping, the yarn on yarn bucket first through guide pin hole, then is wound in colored warp beam, the uniform rotation of flower warp beam, by the reel for yarn on yarn bucket around in flower warp beam.Meanwhile, sley point does reciprocating linear motion with guide needle-bar, and like this, the yarn on each yarn bucket is evenly wound on colored warp beam certain length.
By above-mentioned analysis, in warping machines, coiling campaign is synthesized by rotation and linear reciprocating motion to form, and rotate and realized by the uniform rotation of flower warp beam, linear reciprocating motion is drawn by the sley point done reciprocating linear motion (bed) and realizes.
ZL200720034572.7 utility model patent discloses a kind of warping mechanism of warp beam warper, when motor continuously and smoothly rotates, the driven member of conjugate cam driving cam means is adopted to realize reciprocally swinging, by intermediate transmission mechanism, reciprocally swinging is transformed to linear reciprocating motion again, finally realizes the linear reciprocating motion of guide needle-bar.Such motion implementation, owing to have employed conjugate cam mechanism, complicated structure and be unfavorable at a high speed, and also cam cutting cost is high.
Double-layer warp beam warper disclosed in ZL200610096520.2 patent of invention, has the identical upper and lower two groups of guide needle-bars of movement needs.Adopt the structure of one group of servomotor and feed screw nut to drive lower needle-bar motion, realize being synchronized with the movement of upper and lower guide needle-bar by one group of swing link mechanism.Wherein, realize reciprocating rotation by the rotating controlling servomotor, then by feed screw nut, positive and negative rotation is transformed to linear reciprocating motion.Both are cascaded, the final linear reciprocating motion realizing lower guide needle-bar.Therefore, in this patent, the reciprocating motion of guide needle-bar is realized by the rotating of control servomotor, move to drive upper stitch bed simultaneously, one group of swing link mechanism is adopted to drive the motion of upper stitch bed by lower needle-bar, realized rotational transform being the rectilinear motion kind of drive by feed screw nut, because guide needle-bar needs constantly back and forth to move back and forth, and movement velocity is higher, so, greater impact can be produced between leading screw and nut, feed screw nut is easy to lose efficacy, reduce service life, adopt the rotating of control servomotor to realize the reciprocating motion of guide needle-bar simultaneously, improve the cost of complete machine.
Summary of the invention
The object of the invention is to propose that a kind of structure is simple, the guide needle-bar straight reciprocating motion apparatus of the warp beam warper of stable drive.
For achieving the above object, design of the present invention is as follows: see Fig. 1, adopt one group without offset crank endplay device A0AB1B0 as first order lanar four rod mechanism, the continuous rotational transform inputted by motor movement is reciprocally swinging, can ensure that the rocking bar making reciprocally swinging is just equal with the average speed in anti-two strokes, thus ensure that the Yarn homogeneous that warp shaft reels as far as possible.In addition, by optimizing the yardstick without offset crank endplay device, rocking bar can be made just at the uniform velocity swinging with work in anti-two motion processes is approximate, even as far as possible to ensure the yarn be wound on warp shaft.Adopt linear rocker-slider mechanism
b0B2Cas second level planar linkage mechanism, the reciprocally swinging of the movement output-rocking bar of first order mechanism inputs as the motion of second level mechanism, the reciprocating linear that the reciprocally swinging of rocking bar is converted to slide block is moved, by the yardstick of optimal design slider-rocker mechanism, make between the rectilinear motion displacement of slide block and the displacement of rocking bar angle of oscillation linear, such first order without the rocking bar of offset crank rocking bar just equal with the average speed of anti-two motion processes, and the feature making approximate uniform motion in two processes all can not change, namely by the motion converter of slider-rocker mechanism, not only the forms of motion of the reciprocally swinging of rocking bar is converted to the linear reciprocating motion of slide block, and ensure that slide block is just also equal with the average speed of anti-two motion process slide block movements, and just with in anti-two linear motion, slide block makes approximate linear uniform motion.
In the present invention, the first order is cascaded without offset crank rocking bar and second level slider-rocker mechanism and constitutes guide needle-bar linear reciprocating motion mechanism of the present invention, entirety to be one degree of freedom be 1 planar six-bar linkage, as long as a motion input is determined with regard to the motion of Neng Shi mechanism, generally realized by a mair motor.
The present invention takes following concrete technical scheme.
The guide needle-bar straight reciprocating motion apparatus of the warp beam warper that the present invention proposes, comprise guide needle-bar, casing and guide needle-bar bracing frame, guide needle-bar becomes moving sets with guide needle-bar supporting framework, also comprise eccentric wheel, eccentric bushing, rocking bar, connecting rod and swing block, described eccentric wheel is fixed in the rotating shaft of being supported by casing, rotating shaft drives running continuously by motor transmission mechanism, described eccentric bushing is enclosed within described eccentric wheel and forms revolute pair, on described casing and the top being in rotating shaft is fixed with the first bearing pin, described swing block is enclosed within the first bearing pin by pin shaft hole and forms revolute pair, the middle part of rocking bar is fixed on swing block, the lower end of rocking bar is connected with revolute pair form with between eccentric bushing, the upper end of rocking bar is connected with revolute pair form with one end of described connecting rod, described guide needle-bar is fixed with link, link stretches between one end of casing and the other end of connecting rod and is connected with revolute pair form.
The lower end of described rocking bar is fixed with lower connecting base, and rocking bar is connected with described eccentric bushing by lower connecting base, and lower connecting base and eccentric bushing are respectively provided with pin shaft hole, by the second pinned connection being placed in pin shaft hole between lower connecting base and eccentric bushing; The upper end of described rocking bar is fixed with upper connecting base, and rocking bar is connected with described connecting rod by upper connecting base, and upper connecting base and connecting rod are respectively provided with pin shaft hole, by the 3rd pinned connection being placed in pin shaft hole between upper connecting base and connecting rod.
The connection of described link and described connecting rod is taked respectively to be provided with pin shaft hole on link and connecting rod, by the 4th pinned connection being placed in pin shaft hole between link and connecting rod.
Described rocking bar is be symmetrical in the first bearing pin and parallel two bars.
Described guide needle-bar bracing frame comprises back shaft, supporting seat and guide post, back shaft two ends are fixed by casing and frame support plate respectively, supporting seat is fixedly set on back shaft, and guide post is supported by supporting seat, and guide needle-bar forms moving sets on the guide bar by the slide cover bottom it.
Guide needle-bar linear reciprocating motion of the present invention is only moved by planar linkage mechanism and realizes, relative to the guide motion driven by cam mechanism, in planar linkage mechanism structure, only have rod member, and the planar lower pair be made up of revolute pair and moving sets, so structure is simple, be easy to processing, cost is low, is more conducive to the high speed of complete machine, in addition, because planar lower pair form touch stress is little, so motion is reliable, the life-span is long.Relative to the sley point motion be made up of feed screw nut, rocker-slider mechanism is utilized to realize swing to be converted to rectilinear motion in the present invention, avoid the impact produced between screw nut driven to realize this conversion by feed screw nut, have structure simple, motion is without the advantage of impact, stable drive.The planar linkage mechanism used in the present invention, can make Yarn homogeneous be wound in colored warp beam.Pass through optimal design, make the first order can ensure approximately at the uniform velocity to swing in motion process without the rocking bar of offset crank endplay device, second level rocker-slider mechanism is approximately linear mechanism, finally can ensure almost constant speed's degree motion of guide needle-bar like this, thus ensure that Yarn homogeneous is wound in colored warp beam.
Accompanying drawing explanation
Fig. 1 is mechanism principle sketch of the present invention.
Fig. 2 is embodiments of the invention figure.
Detailed description of the invention
Embodiment 1
See Fig. 2, the present embodiment comprises eccentric wheel 1, eccentric bushing 2, rocking bar 3, connecting rod 4, guide needle-bar 5, casing 6, rotating shaft 10 and swing block 11.
Described guide needle-bar 5 is supported by guide needle-bar bracing frame 7, and guide needle-bar bracing frame 7 comprises back shaft 7-1, supporting seat 7-2 and guide post 7-3.Back shaft 7-1 two ends are fixed by casing 6 and frame support plate respectively, supporting seat 7-2 is fixedly set on back shaft 7-1, guide post 7-3 is supported by supporting seat 7-2, guide needle-bar 5 is provided with sley point 15, the bottom of guide needle-bar 5 is fixed with slide 5-1, slide 5-1 is enclosed within guide post 7-3 by pilot hole, and guide needle-bar 5 is moved on guide post 7-3 by slide 5-1, and both form moving sets.On whole machine fabric width, be fixedly set on same back shaft 7-1 according to the fixed structure that the width of guide needle-bar can be made up of mutually isostructural supporting seat 7-2, guide post 7-3 by many groups; On same guide needle-bar, have between the slide 5-1 of multiple identical structure and the guide post 7-3 position of diverse location and form identical and parallel moving sets, to improve the support stiffness to guide needle-bar 5.
Rotating shaft 10 is motion and power input shaft, is supported by casing 6, and rotating shaft 10 drives running continuously by the motor transmission mechanism being arranged on casing outside, and motor is common AC rotor motor, and price is low, and motion is reliable.
Described eccentric wheel 1 is fixed in rotating shaft 10, and described eccentric bushing 2 is enclosed within described eccentric wheel 1, and the center of circle overlaps between the two, and eccentric bushing 2 and eccentric wheel 1 relatively rotate formation revolute pair, can install rolling bearing between.
On described casing 6 and the top being in rotating shaft 10 is fixed with the first bearing pin 11-1, described swing block 11 is provided with pin shaft hole, swing block 11 is enclosed within the first bearing pin 11-1 by pin shaft hole, and swing block 11 and the first bearing pin 11-1 form revolute pair, can install rolling bearing between the two.
The lower end of described rocking bar 3 is fixed with lower connecting base 12, and the upper end of described rocking bar 3 is fixed with upper connecting base 13.Rocking bar 3 is connected with eccentric bushing 2 by lower connecting base 12, and rocking bar 3 is connected with connecting rod 4 by upper connecting base 13.Described swing block 11, lower connecting base 12 and upper connecting base 13 are respectively provided with connecting hole, and connecting hole is in the same center line.The center of described rocking bar 3 is in the connecting hole of swing block 11 and be interference fit.The lower end of rocking bar 3 is inserted in the connecting hole of lower connecting base 12, the connecting hole interference fit of rocking bar 3 and lower connecting base 12 or be threaded.The upper end of rocking bar 3 is inserted in the connecting hole of upper connecting base 13, the connecting hole interference fit of rocking bar 3 and upper connecting base 13 or be threaded.The connection of described lower connecting base 12 and eccentric bushing 2 is taked respectively to be provided with pin shaft hole on lower connecting base 12 and described eccentric bushing 2, and lower connecting base 12 and eccentric bushing 2 to be dynamically connected formation revolute pair by the second bearing pin 12-1 be arranged in pin shaft hole.The connection of described upper connecting base 13 and connecting rod 4 is taked respectively to be provided with pin shaft hole on upper connecting base 13 and connecting rod 4, and upper connecting base 13 and connecting rod 4 to be dynamically connected formation revolute pair by the 3rd bearing pin 13-1 be arranged in pin shaft hole.The part that described rocking bar 3 passes swing block 11 is downwards referred to as rocking bar 3-1, and the part upwards passing swing block 11 is referred to as fork 3-2.
One end of described guide needle-bar 5 respective link 4 is fixed with link 14, one end of link 14 is stretched in casing 6 and is connected with connecting rod 4, take respectively to be provided with pin shaft hole on link 14 and connecting rod 4, link 14 and connecting rod 4 to be dynamically connected formation revolute pair by the 4th bearing pin 14-1 be arranged in pin shaft hole.
Rolling bearing can be provided with between the 3rd bearing pin 13-1 and connecting rod 4, between connecting rod 4 and the 4th bearing pin 14-1.
Described rocking bar 3 can be single pole, and in the present embodiment, described rocking bar 3 is for being symmetrical in the first bearing pin 11-1 and parallel two bars.Owing to being two bars, swing block 11, lower connecting base 12 and upper connecting base 13 are respectively provided with 2 connecting holes being symmetrical in the first bearing pin, the center line of the connecting hole on swing block 11, lower connecting base 12 and upper connecting base 13 correspondence position overlaps.Two rocking bars 3 are connected in the connecting hole of two swing blocks 11, and the lower end of rocking bar 3 is inserted in connecting hole corresponding on lower connecting base 12, and the upper end of rocking bar 3 is inserted in connecting hole corresponding on upper connecting base 13.Constitute a wobble-member by swing block 11, two rocking bar 3, lower connecting base 12, upper connecting base 13, second bearing pin 12-1 and the 3rd bearing pin 13-1, swing around the first bearing pin 11-1.
In the present invention, the rocking bar 3-1 of described eccentric wheel 1, eccentric bushing 2 and rocking bar 3 bottom is formed without offset crank endplay device, the suitable crank without offset crank endplay device of eccentric wheel 1, eccentric bushing 2 and rocking bar 3-1, connecting rod and rocking bar, eccentric wheel 1 is motion input component, and rocking bar 3-1 is for being driven member without offset crank endplay device.By the motion converter of this mechanism, the continuous rotational transform of eccentric wheel 1 is become reciprocally swinging.And by the size of preferred each component, the swing speed of rocking bar 3-1 can be made approximate at the uniform velocity, to ensure that winding yarn is even.The fork 3-2 of rocking bar 3 upper part and connecting rod 4 and guide needle-bar 5 form rocker-slider mechanism.Fork 3-2 is motion input component for rocker-slider mechanism, by the motion converter of this mechanism, the swing of fork 3-2 is transformed to the rectilinear movement of slide block and guide needle-bar 5.And by the size of preferred each component, make linear variation relation between the rectilinear motion displacement of guide needle-bar 5 and the displacement of fork 3-2 angle of oscillation, the feature that fork 3-2 can be made to be similar to uniform motion remains unchanged after rocker-slider mechanism conversion, and namely guide needle-bar also can be similar to uniform motion.
Claims (1)
1. the guide needle-bar straight reciprocating motion apparatus of a warp beam warper, comprise guide needle-bar (5), casing (6) and guide needle-bar bracing frame (7), guide needle-bar (5) and guide needle-bar bracing frame (7) form moving sets, it is characterized in that: also comprise eccentric wheel (1), eccentric bushing (2), rocking bar (3), connecting rod (4) and swing block (11), described eccentric wheel (1) is fixed in the rotating shaft (10) of being supported by casing (6), rotating shaft (10) drives running continuously by motor transmission mechanism, described eccentric bushing (2) is enclosed within described eccentric wheel (1) and forms revolute pair, described casing (6) is upper and the top being in rotating shaft (10) is fixed with the first bearing pin (11-1), described swing block (11) is enclosed within the first bearing pin (11-1) by pin shaft hole and forms revolute pair, the middle part of rocking bar (3) is fixed on swing block (11), the lower end of rocking bar (3) is connected with revolute pair form with between eccentric bushing (2), the upper end of rocking bar (3) is connected with revolute pair form with one end of described connecting rod (4), described guide needle-bar (5) is fixed with link (14), link (14) stretches between one end of casing (6) and the other end of connecting rod (4) and is connected with revolute pair form,
The lower end of described rocking bar (3) is fixed with lower connecting base (12), rocking bar (3) is connected with described eccentric bushing (2) by lower connecting base (12), lower connecting base (12) and eccentric bushing (2) are respectively provided with pin shaft hole, are connected by the second bearing pin (12-1) being placed in pin shaft hole between lower connecting base (12) and eccentric bushing (2); The upper end of described rocking bar (3) is fixed with upper connecting base (13), rocking bar (3) is connected with described connecting rod (4) by upper connecting base (13), upper connecting base (13) and connecting rod (4) are respectively provided with pin shaft hole, are connected by the 3rd bearing pin (13-1) being placed in pin shaft hole between upper connecting base (13) and connecting rod (4);
The connection of described link (14) and described connecting rod (4) is taked respectively to be provided with pin shaft hole on link (14) and connecting rod (4), is connected between link (14) and connecting rod (4) by the 4th bearing pin (14-1) being placed in pin shaft hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299237.4A CN104018265B (en) | 2011-12-05 | 2011-12-05 | Yarn guide needle bed reciprocating linear motion device of warp beam warping machine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110398603.8A CN102493068B (en) | 2011-12-05 | 2011-12-05 | Guide needle bed reciprocating linear motion device of flower beam warping machine |
| CN201410299237.4A CN104018265B (en) | 2011-12-05 | 2011-12-05 | Yarn guide needle bed reciprocating linear motion device of warp beam warping machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110398603.8A Division CN102493068B (en) | 2011-12-05 | 2011-12-05 | Guide needle bed reciprocating linear motion device of flower beam warping machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104018265A CN104018265A (en) | 2014-09-03 |
| CN104018265B true CN104018265B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410297449.9A Active CN104032433B (en) | 2011-12-05 | 2011-12-05 | Yarn guide needle bed reciprocating linear motion device of warp beam warping machine |
| CN201110398603.8A Active CN102493068B (en) | 2011-12-05 | 2011-12-05 | Guide needle bed reciprocating linear motion device of flower beam warping machine |
| CN201410299237.4A Active CN104018265B (en) | 2011-12-05 | 2011-12-05 | Yarn guide needle bed reciprocating linear motion device of warp beam warping machine |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410297449.9A Active CN104032433B (en) | 2011-12-05 | 2011-12-05 | Yarn guide needle bed reciprocating linear motion device of warp beam warping machine |
| CN201110398603.8A Active CN102493068B (en) | 2011-12-05 | 2011-12-05 | Guide needle bed reciprocating linear motion device of flower beam warping machine |
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| CN (3) | CN104032433B (en) |
Families Citing this family (1)
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| CN113818108B (en) * | 2021-09-24 | 2022-09-09 | 济宁职业技术学院 | Detaching roller driving method based on hybrid driving mechanism |
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| DE2510517A1 (en) * | 1975-03-11 | 1976-09-16 | Hacoba Textilmaschinen | Fixed-cone section warper automatically selectiong operating speeds - winding-on and tensional differences being compensated by varying relative motions |
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| GB234193A (en) * | 1924-02-27 | 1925-05-26 | Moore & Avery Blackburn Ltd | Improvements relating to apparatus for selecting and separating warp threads in the preparation of the warp for looms for weaving |
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| CN201186836Y (en) * | 2008-06-20 | 2009-01-28 | 福建鸿博印刷股份有限公司 | Elevating paper receiving apparatus for rotary printing production line |
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- 2011-12-05 CN CN201410297449.9A patent/CN104032433B/en active Active
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- 2011-12-05 CN CN201410299237.4A patent/CN104018265B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB318601A (en) * | 1928-09-07 | 1929-12-05 | Edward James Abbott | Improved method of and apparatus for unwinding and winding yarns or other textile strands |
| DE2510517A1 (en) * | 1975-03-11 | 1976-09-16 | Hacoba Textilmaschinen | Fixed-cone section warper automatically selectiong operating speeds - winding-on and tensional differences being compensated by varying relative motions |
| DE3025765C1 (en) * | 1980-07-08 | 1981-10-01 | Karl Mayer Textil-Maschinen-Fabrik Gmbh, 6053 Obertshausen | Damping device for a thread brake |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104018265A (en) | 2014-09-03 |
| CN102493068A (en) | 2012-06-13 |
| CN104032433A (en) | 2014-09-10 |
| CN102493068B (en) | 2014-08-06 |
| CN104032433B (en) | 2016-05-18 |
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