CN104018265A - Reciprocating rectilinear movement device of yarn guide needle bed of flower beam wrapping machine - Google Patents
Reciprocating rectilinear movement device of yarn guide needle bed of flower beam wrapping machine Download PDFInfo
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- CN104018265A CN104018265A CN201410299237.4A CN201410299237A CN104018265A CN 104018265 A CN104018265 A CN 104018265A CN 201410299237 A CN201410299237 A CN 201410299237A CN 104018265 A CN104018265 A CN 104018265A
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- guide needle
- bar
- connecting rod
- rocking bar
- fixed
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Abstract
The invention discloses a reciprocating rectilinear movement device of a yarn guide needle bed of a flower beam wrapping machine. The reciprocating rectilinear movement device comprises a yarn guide needle bed support frame, eccentric gears, an eccentric bushing, a swinging rod, a connecting rod and a swinging block, wherein a moving pair is formed by the yarn guide needle bed and the yarn guide needle bed support rack; the eccentric gears are fixed on a rotating shaft supported by a box body; a rotating pair consisting of the eccentric gears is sleeved with the eccentric bushing; a first hinge pin is fixed on the box body and above the rotating shaft; the first hinge pin is sleeved with the swinging block through a hinge pin hole so as to form a rotating pair; the middle of the swinging rod is fixed on the swinging block; the lower end of the swinging rod and the eccentric sleeve are connected in a rotating pair manner; the upper end of the swinging rod is connected to one end of the connecting rod in the rotating pair manner; a connecting rack is fixed on the yarn guide needle bed; one end stretching into the box body, of the connecting rack, is connected with the other end of the connecting rod in the rotating pair manner. The reciprocating rectilinear movement device has the advantages of simple structure, easiness in machining, low cost, no movement impact and stable transmission.
Description
The application is that application number is 201110398603.8, and the applying date is on December 5th, 2011, and what invention and created name was the application for a patent for invention of " the guide needle-bar straight reciprocating motion apparatus of warp beam warper " divides an application.
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 to be generally wound in colored warp beam with yarn, and warping machines is that the threads being wound on a plurality of yarn buckets is wound up in colored warp beam simultaneously, and this process also claims warping.For concrete warping machines, on it, there are one or two guide needle-bars, several sley points are sequentially 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 is 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 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 motion is to be synthesized and formed by rotation and linear reciprocating motion, and the uniform rotation of rotating by flower warp beam realizes, and linear reciprocating motion is by the sley point doing reciprocating linear motion (bed) traction realization.
ZL200720034572.7 utility model patent discloses a kind of warping mechanism of warp beam warper, in the situation that motor continuously and smoothly rotates, adopt the driven member of conjugate cam driving cam means 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 having adopted conjugate cam mechanism, complicated structure and being unfavorable at a high speed, and also cam processing cost is high.
The disclosed double-layer warp beam warper of ZL200610096520.2 patent of invention, has motion and requires identical upper and lower two groups of guide needle-bars.Adopt one group of servomotor and feed screw nut's structure to drive lower needle-bar motion, by one group of swing link mechanism, realize being synchronized with the movement of upper and lower guide needle-bar.Wherein, by controlling the rotating of servomotor, realize reciprocating rotation, then by feed screw nut, positive and negative rotation is transformed to linear reciprocating motion.Both are cascaded, the final linear reciprocating motion of realizing lower guide needle-bar.Therefore, in this patent, the reciprocating motion of guide needle-bar is to realize by controlling the rotating of servomotor, in order to drive upper stitch bed motion simultaneously, adopt one group of swing link mechanism by lower needle-bar, to be driven the motion of upper stitch bed, by feed screw nut, being realized is the rectilinear motion kind of drive by rotational transform, because guide needle-bar needs constantly back and forth to move back and forth, and movement velocity is higher, so, between leading screw and nut, can produce greater impact, 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, improved the cost of complete machine.
Summary of the invention
The object of the invention is to propose a kind of guide needle-bar straight reciprocating motion apparatus of warp beam warper of simple in structure, 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, by the continuous rotational transform of motor movement input, it is reciprocally swinging, the rocking bar that can guarantee to do reciprocally swinging just with anti-two strokes in average speed equate, thereby guaranteed as far as possible the Yarn homogeneous of reeling on warp shaft.In addition, by optimizing the yardstick without offset crank endplay device, can make rocking bar just with in anti-two motion processes doing approximate at the uniform velocity swing, even as far as possible with the yarn that guarantees to 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 is as the motion input of second level mechanism, the reciprocating linear that the reciprocally swinging of rocking bar is converted to slide block moves, 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, the first order is just equating with the average speed of anti-two motion processes without the rocking bar of offset crank rocking bar like this, and the feature of making approximate uniform motion in two processes 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 guarantee that slide block is just also equating with the average speed of anti-two motion process slide block movements, and just with anti-two rectilinear motion processes in, slide block is made approximate linear uniform motion.
In the present invention, the first order is cascaded and has formed guide needle-bar linear reciprocating motion of the present invention mechanism without offset crank rocking bar and second level slider-rocker mechanism, integral body is that one degree of freedom is 1 planar six-bar linkage, as long as the motion of a motion input Jiu Nengshi mechanism is determined, generally by a main motor, realized.
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 continuous operation by motor transmission mechanism, described eccentric bushing is enclosed within on described eccentric wheel and forms revolute pair, top on described casing and in rotating shaft is fixed with the first bearing pin, described swing block is enclosed within on the first bearing pin and is formed revolute pair by pin shaft hole, the middle part of rocking bar is fixed on swing block, between the lower end of rocking bar and eccentric bushing, with revolute pair form, be connected, the upper end of rocking bar is connected with revolute pair form with one end of described connecting rod, on described guide needle-bar, be 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, is respectively provided with pin shaft hole on lower connecting base and eccentric bushing, between lower connecting base and eccentric bushing, by the second bearing pin that is placed in pin shaft hole, is connected; 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, is respectively provided with pin shaft hole on upper connecting base and connecting rod, between upper connecting base and connecting rod, by the 3rd bearing pin that is placed in pin shaft hole, is connected.
The connection of described link and described connecting rod is taked on link and connecting rod, to be respectively provided with pin shaft hole, between link and connecting rod, by the 4th bearing pin that is placed in pin shaft hole, is connected.
Described rocking bar is to 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 the slide of guide needle-bar by its bottom is enclosed within and on guide post, forms moving sets.
Guide needle-bar linear reciprocating motion of the present invention is only realized by planar linkage mechanism motion, guide motion with respect to being driven by cam mechanism, only has rod member in planar linkage mechanism structure, and the planar lower pair consisting of revolute pair and moving sets, so simple in structure, be easy to processing, cost is low, is more conducive to the high speed of complete machine, in addition, because planar lower pair structure compact stress is little, so motion is reliable, the life-span is long.With respect to the sley point motion being formed by feed screw nut, in the present invention, utilize rocker-slider mechanism to realize swing is converted to rectilinear motion, avoid realizing this conversion and producing the impact between screw nut driven by feed screw nut, have simple in structure, motion without impacting, the advantage of stable drive.The planar linkage mechanism using in the present invention, can make Yarn homogeneous be wound in colored warp beam.Pass through optimal design, make the first order in motion process, can guarantee approximate at the uniform velocity swing without the rocking bar of offset crank endplay device, second level rocker-slider mechanism is approximately linear mechanism, can finally guarantee like this almost constant speed's degree motion of guide needle-bar, thereby guarantee 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.
The specific embodiment
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 bracing frame 7, and 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 9, 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 on guide post 7 by pilot hole, and guide needle-bar 5 moves on guide post 7 by slide 5-1, and both form moving sets.On whole machine fabric width, the fixed structure that can be comprised of the many groups of supporting seat 7-2 by same structure, guide post 7-3 according to the width of guide needle-bar is fixedly set on same back shaft 7-1; On same guide needle-bar, have between the slide 5-1 of a plurality of identical structures 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, by casing 6, is supported, and rotating shaft 10 drives continuous operation by the motor transmission mechanism that is arranged on casing outside, and motor is common AC rotor motor, and price is low, and motion is reliable.
In the rotating shaft 10 that described eccentric wheel 1 is fixed on, described eccentric bushing 2 is enclosed within on described eccentric wheel 1, and the center of circle overlaps between the two, and eccentric bushing 2 relatively rotates formation revolute pair with eccentric wheel 1, and between can be installed rolling bearing.
On described the casing 6 and top in rotating shaft 10 is fixed with the first bearing pin 11-1, described swing block 11 is provided with pin shaft hole, it is upper that 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, rolling bearing can be installed 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.On described swing block 11, lower connecting base 12 and upper connecting base 13, be 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.Insert in the connecting hole of lower connecting base 12 lower end of rocking bar 3, the connecting hole interference fit of rocking bar 3 and lower connecting base 12 or be threaded.Insert in the connecting hole of upper connecting base 13 upper end of rocking bar 3, 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 to be respectively provided with pin shaft hole on lower connecting base 12 and described eccentric bushing 2, and lower connecting base 12 and eccentric bushing 2 are by being arranged on the second bearing pin 12-1 in pin shaft hole formation revolute pair that is dynamically connected.The connection of described upper connecting base 13 and connecting rod 4 is taked to be respectively provided with pin shaft hole on upper connecting base 13 and connecting rod 4, and upper connecting base 13 and connecting rod 4 are by being arranged on the 3rd bearing pin 13-1 in the pin shaft hole formation revolute pair that is dynamically connected.The part that described rocking bar 3 passes swing block 11 is downwards referred to as rocking bar 3-1, and the part that upwards passes swing block 11 is referred to as fork 3-2.
On one end of described guide needle-bar 5 respective link 4, be fixed with link 14, one end of link 14 is stretched in casing 6 and is connected with connecting rod 4, take to be respectively provided with pin shaft hole on link 14 and connecting rod 4, link 14 and connecting rod 4 are by being arranged on the 4th bearing pin 14-1 in the pin shaft hole formation revolute pair that is dynamically connected.
Can be between the 3rd bearing pin 13-1 and connecting rod 4, be provided with rolling bearing 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, on swing block 11, lower connecting base 12 and upper connecting base 13, be respectively provided with 2 connecting holes that are 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 positions overlaps.Two rocking bars 3 are connected in the connecting hole of two swing blocks 11, and insert in connecting hole corresponding on lower connecting base 12 lower end of rocking bar 3, and insert in connecting hole corresponding on upper connecting base 13 upper end of rocking bar 3.By swing block 11, two rocking bars 3, lower connecting base 12, upper connecting base 13, the second bearing pin 12-1 and the 3rd bearing pin 13-1, formed a wobble-member, around the first bearing pin 11-1, swung.
In the present invention, the rocking bar 3-1 of described eccentric wheel 1, eccentric bushing 2 and rocking bar 3 bottoms forms without offset crank endplay device, eccentric wheel 1, eccentric bushing 2 and rocking bar 3-1 are quite without crank, connecting rod and the rocking bar of offset crank endplay device, 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 to reciprocally swinging.And by the size of preferred each member, can make the swing speed of rocking bar 3-1 approximate at the uniform velocity, even to guarantee winding yarn.On rocking bar 3, the fork 3-2 of 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 traveling priority that slide block is guide needle-bar 5.And by the size of preferred each member, make linear variation relation between the rectilinear motion displacement of guide needle-bar 5 and the displacement of fork 3-2 angle of oscillation, can make the feature of the approximate uniform motion of fork 3-2 remain unchanged after rocker-slider mechanism conversion, 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) forms moving sets with guide needle-bar bracing frame (7), 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) by casing (6) supporting, rotating shaft (10) drives continuous operation by motor transmission mechanism, described eccentric bushing (2) is enclosed within the upper formation of described eccentric wheel (1) revolute pair, on described casing (6) and the top in rotating shaft (10) is fixed with the first bearing pin (11-1), described swing block (11) is enclosed within the upper formation of the first bearing pin (11-1) revolute pair by pin shaft hole, the middle part of rocking bar (3) is fixed on swing block (11), between the lower end of rocking bar (3) and eccentric bushing (2), with revolute pair form, be connected, the upper end of rocking bar (3) is connected with revolute pair form with one end of described connecting rod (4), on described guide needle-bar (5), be 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), on lower connecting base (12) and eccentric bushing (2), be respectively provided with pin shaft hole, between lower connecting base (12) and eccentric bushing (2), by the second bearing pin (12-1) that is placed in pin shaft hole, connected; 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), on upper connecting base (13) and connecting rod (4), be respectively provided with pin shaft hole, between upper connecting base (13) and connecting rod (4), by the 3rd bearing pin (13-1) that is placed in pin shaft hole, connected;
The connection of described link (14) and described connecting rod (4) is taked to be respectively provided with pin shaft hole on link (14) and connecting rod (4), between link (14) and connecting rod (4), by the 4th bearing pin (14-1) that is placed in pin shaft hole, is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299237.4A CN104018265B (en) | 2011-12-05 | 2011-12-05 | A kind of guide needle-bar straight reciprocating motion apparatus of warp beam warper |
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 | A kind of guide needle-bar straight reciprocating motion apparatus of warp beam warper |
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 true CN104018265A (en) | 2014-09-03 |
| CN104018265B 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 | The guide needle-bar straight reciprocating motion apparatus of warp beam warper |
| CN201410299237.4A Active CN104018265B (en) | 2011-12-05 | 2011-12-05 | A kind of guide needle-bar straight reciprocating motion apparatus of warp beam warper |
| 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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| Application Number | Title | Priority Date | Filing Date |
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| CN201410297449.9A Active CN104032433B (en) | 2011-12-05 | 2011-12-05 | The guide needle-bar straight reciprocating motion apparatus of warp beam warper |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| CH658680A5 (en) * | 1983-01-21 | 1986-11-28 | Benninger Ag Maschf | Apparatus for adjusting the warping reed of a warping machine according to the warp-section order |
| CN2837328Y (en) * | 2005-11-15 | 2006-11-15 | 常州市第八纺织机械厂 | Guide needle bed reciprocating device for yarn-beam warping machine |
| 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 CN201110398603.8A patent/CN102493068B/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 |
|---|---|
| CN104018265B (en) | 2016-03-30 |
| CN102493068A (en) | 2012-06-13 |
| CN104032433A (en) | 2014-09-10 |
| CN104032433B (en) | 2016-05-18 |
| CN102493068B (en) | 2014-08-06 |
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