CN102839481B - High-speed jacquard shedding device and jacquard machine provided with same - Google Patents
High-speed jacquard shedding device and jacquard machine provided with same Download PDFInfo
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- CN102839481B CN102839481B CN 201210336182 CN201210336182A CN102839481B CN 102839481 B CN102839481 B CN 102839481B CN 201210336182 CN201210336182 CN 201210336182 CN 201210336182 A CN201210336182 A CN 201210336182A CN 102839481 B CN102839481 B CN 102839481B
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Abstract
The invention discloses a high-speed jacquard shedding device, belonging to the technical field of shedding of a jacquard machine. An inner jacquard knife mechanism and an outer jacquard knife mechanism alternately move up and down by transmission of motion between each of swing mechanisms and a main transmission shaft; the main transmission shaft is synchronously equipped with four sets of eccentric wheel and connecting rod mechanisms for driving the swing mechanisms; each set of eccentric wheel and connecting rod mechanisms comprise an equal-eccentricity symmetrical connected eccentric wheel and two connecting rods; the swing mechanisms with swing arm shafts are arranged above the same lateral ends of the inner jacquard knife mechanism and the outer jacquard knife mechanism; the swing arm shafts are formed by extending in parallel along a left main wall plate and a right main wall plate; the swing arm shafts are equipped with fixed swing arms connected with ends in the same directions of an inner jacquard knife frame and an outer jacquard knife frame through lifting rods, movable swing arms, and connecting rod swing arms for driving the swing arm shafts at the two ends of the main wall plates; and the connecting rod swing arms and the movable swing arms of the swing mechanisms are connected with one connecting rod and another connecting rod in one corresponding set of eccentric wheel and connecting rod mechanism respectively. Due to the adoption of the scheme, the inner jacquard knife mechanism and the outer jacquard knife mechanism are high in motion synchronization precision and clear for shedding. The invention further provides a jacquard machine provided with such device.
Description
[technical field]
The present invention relates to a kind of jacquard weave shedding motion, be used for the high speed jacquard weaving, belong to jacquard opening technical field.
[background technology]
Crank rocker is that connecting rod opening know-why is the general election principle of jacquard weave shedding mechanism, and the eccentric wheel theory structure is a kind of deformation design of crank wherein.
Notification number is that the jacquard lifting knives transmission device (referring to Fig. 1) of CN101831743B uses eight independently eccentric wheel left and right sidesing wall plate both sides that are placed in.Wherein, four large eccentricities wheel 02 (left wallboard 04 outside, right wallboard 05 inboard respectively put 1 invisible) is common drive griffe to organize 06 and griffe to organize 07 four after hinge extension bar 08 up-down alternative motion, to form after-opening; Four small eccentricities wheel 03 (left wallboard 04 outside, right wallboard 05 inboard respectively put 1 invisible) is common drive griffe to organize 06 and griffe to organize 07 four before hinge extension bar 09 up-down alternative motion, thereby form open front.Yet there is following weak point technically in this device:
1, owing to being, eight eccentric wheels processing separately are installed on separately on the final drive shaft 01, be difficult to when mounted guarantee that the relative established angle of eccentric group is 180 ° or 0 °, can't guarantee to griffe to organize 06 griffe to organize when rising to upper limit (UL) point position 07 simultaneously (step) drop to lowest limit point position, vice versa.
More seriously: in the weaving process adjustment process, when griffing to organize 06 or griffe to organize 07 when being in the extreme higher position, need to rotate large eccentricity wheel 02 or the established angle position of small eccentricity wheel 03 on final drive shaft 01, thereby determine the corresponding maximum open time of griffing to organize.And when the maximum open position, front swing arm 10 and rear-swing arm 11 all are in and swing position, greatest limit angle, namely large, small eccentricity wheel 02,03 all is in the maximum eccentricity amount outgoing position, and this moment, even the artificial setting angle error of each eccentric wheel on final drive shaft 01 is very large, because before, rear-swing arm 10,11 produce angle of oscillation displacement less (even naked eyes can not be found), so that each eccentric error of fixed angles is difficult for being discovered, directly cause accordingly large eccentricity wheel 02 or small eccentricity wheel 03 driven in synchronism to griffe to organize 06 with realization, the up-down alternative motion of relative 180 ° of time differences of 07, final result are to cause by griffing to organize 06 and 07 guiding needle lifting-hook and the harness cord connected that is hung on the needle lifting-hook is produced for the harness eye that lifts warp thread to be unfavorable for woven beating.Simultaneously because eight connection rod set that eight eccentric wheels drive asynchronous can cause the vibration that final drive shaft 01 and complete machine are larger.The adverse effect that the problems referred to above directly produce then is so that this device upper and lower opening in weaving process is asynchronous, opening is unintelligible, end breakage is high, weaving efficiency is low.
2, the final drive shaft 01 of this device is in the top of complete machine frame and left and right sidesing wall plate, and the main power source center of gravity that causes driving final drive shaft 01 is higher, and complete machine oscillation is larger, thereby can make the unsettled consumable accessory that increases simultaneously of device open state.
3, respectively arrange a wallboard about this device, so that it is larger to be positioned at outside two wallboards cantilever moment that the final drive shaft of part bears, each primary structure member also is in cantilever position thereby motion is transmitted unstable on the axle, and wallboard is steel plateelement, the such absorbing poor performance of wallboard, rigidity of frame is not enough, and the lotus that each loading bearing carries that is installed on the wallboard is larger, belong to main consumable accessory, thereby affect machine life.
In view of above-mentioned analysis, existing jacquard lifting knives transmission structures is demanded urgently improving.
[summary of the invention]
The object of the present invention is to provide a kind of inside and outside griffe frame alternately pump the synchronism precision high, weave clearly high speed jacquard weave of opening shedding motion.
For solving the problems of the technologies described above, the invention provides following technical scheme.
High speed jacquard weave shedding motion, wherein, inside and outside griffe frame, the inside and outside Griffe mechanism that short length griffes to organize alternately pumps and transmits realization by the swing mechanism with arm shaft and the motion between the single primary power transmission shaft, rotation is arranged at a left side, be equipped with on the final drive shaft of right main wall plate be used to the eccentric wheel connecting rod mechanism that drives described swing mechanism, described eccentric wheel connecting rod mechanism has quadruplet, be symmetrically distributed in a left side, near the right main wall plate, and all be equipped on synchronously on the final drive shaft, every cover eccentric wheel connecting rod mechanism comprises having equal offset, the single-piece disjunctor eccentric wheel of symmetrical configuration, be located at two connecting rods on the disjunctor eccentric wheel, and above inside and outside same side of griffing frame, all be furnished with the swing mechanism of this arm shaft, described arm shaft is from left, right main wall plate extends in parallel formation, each arm shaft near each main wall plate both sides, be equipped with by elevating lever with in, griffe the fixedly swing arm that frame holds the angle to link to each other in the same way outward, activity swing arm and be used for driving the connecting rod swing arm that described arm shaft waves, the connecting rod swing arm of each swing mechanism, a connecting rod of activity swing arm and a corresponding cover eccentric wheel connecting rod mechanism, another connecting rod connects respectively.
Above-mentioned elevating lever is height-adjustable elevating lever, offer respectively detection hole for detection of the elevating lever height that links to each other with corresponding fixedly swing arm at the in the same way far-end of fixedly swing arm, activity swing arm, for detection of the detection hole of the elevating lever height that links to each other with corresponding activity swing arm, offer corresponding datum hole at main wall plate.
The said reference hole is comprised of top dead centre datum hole, initial position datum hole, lower dead center datum hole, wherein,
1) when the detection hole of the in the same way far-end of fixedly swing arm, activity swing arm alternately when corresponding top dead centre datum hole is the hole heart and aligns, fixedly the elevating lever of swing arm and the elevating lever that is connected in this activity swing arm alternately are in top dead center position to be connected in this;
2) when the detection hole of the in the same way far-end of fixedly swing arm, activity swing arm alternately when corresponding lower dead center datum hole is the hole heart and aligns, fixedly the elevating lever of swing arm and the elevating lever that is connected in this activity swing arm alternately are in bottom dead center position to be connected in this;
3) when the detection Kong Jun of fixing swing arm and the in the same way far-end of activity swing arm in alignment with corresponding initial position datum hole, then be connected in this fixedly the elevating lever of swing arm be co-located on the equal height position with the elevating lever that is connected in this activity swing arm.
Be furnished with respectively left redundant wallboard, right redundant wallboard in the outside of above-mentioned left and right main wall plate, above-mentioned final drive shaft all is placed through the bottom of two main wall plates, two auxiliary wallboards, above-mentioned symmetrical eccentric wheel connecting rod mechanism lays respectively between the left main wall plate outside and the left redundant wallboard inboard and outside the right main wall plate and between the right redundant wallboard inboard, wherein
One eccentric wheel connecting rod mechanism of 1) being close to right redundant wallboard inboard comprises the disjunctor eccentric wheel that outer eccentric son wheel and interior eccentric son are taken turns, be set with in outer eccentric son wheel, first connecting rod on the interior eccentric son wheel, second connecting rod, outer eccentric son is taken turns with interior eccentric son wheel as having the offset of equating, the disjunctor symmetrical structure of coaxial aperture, a swing mechanism corresponding with this eccentric wheel connecting rod mechanism is arranged in griffes the common back upper place of frame inside and outside the right side, it comprises and is placed through right main wall plate top, the rear-swing arm axle on right redundant wallboard top, be divided into the connecting rod swing arm on the rear-swing arm axle, rear activity swing arm and be installed on the rear fixedly swing arm of rear-swing arm axle the inner, connecting rod swing arm is hinged therewith for first connecting rod upper end, the second connecting rod upper end with should after the activity swing arm hinged;
2) eccentric wheel connecting rod mechanism outside the contiguous right main wall plate comprises the disjunctor eccentric wheel of outer eccentric son wheel and interior eccentric sub-wheel, be set with in outer eccentric son wheel, third connecting rod on the interior eccentric son wheel, the 4th connecting rod, outer eccentric son is taken turns with interior eccentric son wheel as having the offset of equating, the disjunctor symmetrical structure of coaxial aperture, a swing mechanism corresponding with this eccentric wheel connecting rod mechanism is arranged in griffes the common front upper place of frame inside and outside the right side, it comprises and is placed through right main wall plate top, the forward swing arm axle on right redundant wallboard top, be divided into the connecting rod swing arm on the forward swing arm axle, front activity swing arm and be installed on the front fixedly swing arm of forward swing arm axle the inner, connecting rod swing arm is hinged therewith in the third connecting rod upper end, and the 4th small end is hinged with this front activity swing arm;
One eccentric wheel connecting rod mechanism of 3) being close to left redundant wallboard inboard comprises the disjunctor eccentric wheel that outer eccentric son wheel and interior eccentric son are taken turns, be set with in outer eccentric son wheel, the 5th connecting rod on the interior eccentric son wheel, the 6th connecting rod, outer eccentric son is taken turns with interior eccentric son wheel as having the offset of equating, the disjunctor symmetrical structure of coaxial aperture, a swing mechanism corresponding with this eccentric wheel connecting rod mechanism is arranged in griffes the common back upper place of frame inside and outside the left side, it comprises and is placed through left main wall plate top, the rear-swing arm axle on left redundant wallboard top, be divided into the connecting rod swing arm on the rear-swing arm axle, rear activity swing arm and be installed on the rear fixedly swing arm of rear-swing arm axle the inner, the 5th small end therewith connecting rod swing arm is hinged, and the 6th small end is hinged with this rear activity swing arm;
4) eccentric wheel connecting rod mechanism outside the contiguous left main wall plate comprises the disjunctor eccentric wheel of outer eccentric son wheel and interior eccentric sub-wheel, be set with in outer eccentric son wheel, seven-link assembly on the interior eccentric son wheel, the 8th connecting rod, outer eccentric son is taken turns with interior eccentric son wheel as having the offset of equating, the disjunctor symmetrical structure of coaxial aperture, a swing mechanism corresponding with this eccentric wheel connecting rod mechanism is arranged in griffes the common front upper place of frame inside and outside the left side, it comprises and is placed through left main wall plate top, the forward swing arm axle on left redundant wallboard top, be divided into the connecting rod swing arm on the forward swing arm axle, front activity swing arm and be installed on the front fixedly swing arm of forward swing arm axle the inner, connecting rod swing arm is hinged therewith in the seven-link assembly upper end, and the 8th small end is hinged with this front activity swing arm.
Above-mentioned final drive shaft is by the auxiliary bearing supporting of the base bearing that is positioned at two main wall plates, two auxiliary wallboards, two auxiliary bearings all are installed in the auxiliary wallboard by radially adjustable asessory shaft bearing, two base bearings all and between the final drive shaft are equipped with the base bearing adapter sleeve, and two auxiliary bearings all and the auxiliary bearing adapter sleeve is installed between the main transmission axle head; Be placed through the forward and backward arm shaft on right main wall plate top and right redundant wallboard top, and the forward and backward arm shaft that is placed through left main wall plate top and left redundant wallboard top supports by bearing, between each end of above-mentioned forward and backward arm shaft and the bearing bearing adapter sleeve is installed all.
Above-mentioned the first～the 8th connecting rod is general interchangeable parts, disjunctor eccentric wheel, arm shaft, connecting rod swing arm are respectively general interchangeable parts, front activity swing arm, front fixedly swing arm are respectively general interchangeable parts, and rear activity swing arm, rear fixedly swing arm are respectively general interchangeable parts.
On this basis, the present invention also provides a kind of jacquard that disposes this device, it comprises bottom framework, the main power source input unit, tubular support shelves, long support and short supporting, described left main wall plate, right main wall plate, the left redundant wallboard, the right redundant wallboard all is installed on the bottom framework, tubular support shelves are fixedly connected on a left side, right main wall plate bottom, above-mentioned final drive shaft runs through tubular support shelves inner chamber, and its predetermined axle head that stretches out left redundant wallboard or right redundant wallboard is connected with the main power source input unit that is installed on the bottom framework place, long support is fixedly connected on a left side, right main wall plate top, short supporting then are fixedly connected on respectively the top of left main wall plate and left redundant wallboard, be fixedly connected on the top of right main wall plate and right redundant wallboard.
The present invention has following advantage and beneficial effect:
1, the disjunctor eccentric wheel of every cover eccentric wheel connecting rod mechanism has two eccentric son wheels, because these two eccentric son wheels are for belonging to part together, the disjunctor eccentric wheel can realize having by part by numerical control fine finishining two eccentric son wheels of equal offset, complete 180 ° of symmetrical structures, the needs of putting down in writing such as prior art are absolutely not processed separately, setting-up eccentricity is taken turns separately, just this needs to adjust artificially the established angle potential difference between the eccentric wheel; And interior, griffing the same side top of frame outward all is furnished with this swing mechanism, the disjunctor eccentric wheel of every cover eccentric wheel connecting rod mechanism drives synchronously corresponding swing mechanism by one group of two connecting rod and is loaded on fixedly swing arm on the arm shaft, the constant amplitude backswing is done in the activity swing arm, thereby in being converted into, the same side of frame griffe outward with complete 180 ° of angular displacements pumping at same aperture position, in the whole gyration process of final drive shaft, in, griffe the short of frame and corresponding interlock outward, long eccentric son wheel of griffing to organize the complete 180 ° of angular displacements that had by the disjunctor eccentric wheel constantly with the reverse sync of side drives control simultaneously, therefore, the quadruplet eccentric wheel connecting rod mechanism has guaranteed short, long griffe to organize the four end alternatively up and down harness motion times of both sides and have accurate synchronism.
Because synchronism is high, the vibration of final drive shaft, complete machine is little, weaves opening clear, therefore, under the high-speed cruising state, greatly reduce harness eye and be unfavorable for woven beating, obtained effective control by the harness eye end breakage that causes of beating, greatly improved weaving efficiency.
The theoretical analysis, design and product actual verification: the technical program finally is reflected in upper and lower layer harness eye traverse amount aspect, any time node in the shed open opening process, the traverse amount of upper strata harness eye and the traverse amount of lower floor's harness eye are controlled in the 2mm scope with respect to the symmetry error of horizontal datum, and compared with the prior art to analyzing: this technical parameter is to have the minimum of a value that can reach in the similar opening technology now.
2, long, short griffing organized on the whole, down stroke is all with four shared top dead centre datum holes on the wallboard, the lower dead center datum hole is as benchmark, length griffes to organize the uniformity of top dead center position and the uniformity of bottom dead center position, corresponding upper of detection Kong Junyu by four activity swing arms, the lower dead center datum hole all is corrected to the hole heart and aligns and reach, same mechanism, for length griffes to organize, shortly griffe to organize the uniformity of bottom dead center position alternately and the uniformity of top dead center position alternately, by four fixing corresponding lower of the detection Kong Junyu of swing arm, the top dead centre datum hole all is corrected to the hole heart and aligns and reach, long griffe to organize with short to griffe to organize concordant mutually then be detection hole by four activity swing arms, four fixedly detection hole and the corresponding initial position datum hole that shares of swing arm all are corrected to the hole heart and align and reach, by calibrating each activity swing arm, each is the swing extreme higher position of swing arm fixedly, combine angle position at ordinary times, swing extreme lower position, thereby control the setting angle of each disjunctor eccentric wheel on final drive shaft, operate simple and easy, totally four eccentric synchronisms of disjunctor about having guaranteed accurately.
Length griffes to organize the uniformity of top dead center position and the uniformity of bottom dead center position, finally be reflected in broadwise and respectively list the levelness aspect that layer harness eye position and broadwise respectively are listed as lower floor harness eye position, any time node in the shed open opening process, broadwise respectively list the horizontal gradient error that a layer harness eye position, broadwise respectively be listed as lower floor harness eye position and all are controlled in the 1mm scope; Shortly griffe to organize the uniformity of bottom dead center position alternately and the uniformity of top dead center position alternately, finally be reflected in alternately lower floor harness eye position and each row of broadwise levelness aspect of harness eye position, upper strata alternately of each row of broadwise, any time node in shed open opening process alternately, each row of broadwise alternately lower floor harness eye position, each row of broadwise alternately the horizontal gradient error of harness eye position, upper strata all be controlled in the 1mm scope; And length griffes to organize and short griffe to organize concordant mutually, finally be reflected in the levelness aspect of each the row harness eye position of broadwise in all harness eyes, when being positioned at 0 °, jacquard namely is in when combining mean place, the horizontal gradient error of each row harness eye position of broadwise all is controlled in the 1mm scope, and compared with the prior art to analyzing: above-mentioned technical parameter is the minimum of a value that can reach in the existing similar opening technology.
3, the two ends of two forward and backward arm shafts are installed on main wall plate and the auxiliary wallboard by bearing, have eliminated the cantilever position of each arm shaft, and the fixedly swing arm, the activity swing arm that are conducive on each axle operate steadily, and motion is transmitted reliable; By being positioned at the base bearing of two main wall plates, be positioned at the final drive shaft that the auxiliary bearing of two auxiliary wallboards supports, it is arranged near the described wallboard bottom, its setting height(from bottom) of main power source input unit that so is connected with final drive shaft can correspondingly reduce, this not only no longer is in cantilever position so that be positioned at the final drive shaft of part outside two wallboards, the eccentric wheel connecting rod mechanism that is equipped on the final drive shaft operates steadily, motion is transmitted reliable, the vibration of main power source input unit is minimum, complete machine oscillation is little, stability is high, harness motion in the weaving process is little to the vibration effect of complete machine, each the bearing institute bearing load that is installed on the described wallboard is compared with the prior art structure, load can reduce half, so, the bearing durability that all wallboards are equipped with improves, and adapts to the large needle number, high speed jacquard machine.
4, the auxiliary bearing for supporting final drive shaft far-end is installed in the auxiliary wallboard by the asessory shaft bearing, but this asessory shaft bearing has radially regulatory function, is beneficial to the flatness defects of the longer final drive shaft of correction, and the final drive shaft circular runout is little; The setting of base bearing adapter sleeve, auxiliary bearing adapter sleeve, and at each end of two forward and backward arm shafts adapter sleeve is set, final drive shaft relatively base bearing, the free slippage of auxiliary bearing have been realized, and the relatively free slippage of bearing of each arm shaft, final drive shaft, each arm shaft dismounting are easy like this, and the part of changing on final drive shaft, each arm shaft seems very convenient.
5, article eight, connecting rod, four disjunctor eccentric wheels are general part, avoided like this final drive shaft eccentric weight because of part under the state of running up to produce invalid inertia force, final drive shaft revolution uniform and stable, rotating accuracy is high, good stability, the eccentric shaft bearing long service life, this device further adapts to heavy duty, high-speed working condition, and activity swing arm after two on the arm shaft, fixedly swing arm after two, two front activity swing arms, before two fixedly swing arm be respectively general interchangeable parts, therefore a whole set of shedding motion die sinking cost saving, low cost of manufacture can effectively reduce the accessories quantity in stock.
6, increasing two auxiliary wallboards on the basis of two main wall plates is installed on the bottom framework jointly, be fixedly connected with by long support, tubular support shelves respectively between two main wall plates, be fixedly connected with by short supporting between the main wall plate of homonymy and auxiliary wallboard, thereby consist of the integral-rack layout of jacquard, the direct advantage of this shelf layout is: integral rigidity is good, is suitable for as high speed, heavily loaded jacquard frame.
[description of drawings]
Below in conjunction with accompanying drawing the present invention is described in detail.
Fig. 1 is existing jacquard lifting knives transmission device schematic perspective view;
Fig. 2 shows and is assembled with the three-dimensional axle of jacquard of the present invention and measures intention;
Fig. 3 shows the floor map of right side of the present invention connecting rod of eccentric wheel group transmission campaign;
Fig. 4 shows the supporting of rear-swing arm axle both ends and the axle top link scheme of installation on right side of the present invention;
Fig. 5 shows the schematic diagram of the installation of right side disjunctor eccentric group, connection rod set on the final drive shaft of the present invention and final drive shaft and right main wall plate, the supporting of right redundant wallboard;
Fig. 6 shows the right main wall plate of apparatus of the present invention inboard fixedly swing arm and the short schematic perspective view of griffing to organize the right side;
Fig. 7 shows and griffes frame, the long schematic perspective view of griffing to organize the right side outside the right main wall plate of apparatus of the present invention outside eccentric wheel, link transmission, activity swing arm, the right side.
[specific embodiment]
As schematically shown in Figure 2, configured jacquard of the present invention, its frame is by bottom framework, left main wall plate 0101, right main wall plate 0102, left redundant wallboard 0131L, right redundant wallboard 0131R, tubular support shelves 0103, two long support 0106 and four short supporting 0119 compositions, wherein, whole bottom framework is by two foundation beams 108, three stull shelves 0120 are formed by connecting, bottom girder 108 is take the heavy in section channel-section steel as material, a left redundant wallboard 0131L has been installed in the bottom framework left side successively, a left main wall plate 0101, a symmetrical right main wall plate 0102 and the right redundant wallboard 0131R of installing in bottom framework right side, between the top of left main wall plate 0101 and right main wall plate 0102, be connected fastening by two long support 0106, between left main wall plate 0101 and left redundant wallboard 0131L top, be connected fastening by two short supportings 0119, similarly, between right main wall plate 0102 and right redundant wallboard 0131R top, also connected by two identical short supportings 0119 fastening, on a left side, right main wall plate 0101, the main bearing hole of the middle position of 0102 bottom connects fastening (in conjunction with Fig. 5) by the tubular support shelves 0103 of a Gent system between the end face in opposite directions.
Such as Fig. 3, shown in 5, be main transmission design embodiment of the present invention, place the final drive shaft 0201 in the tubular support shelves 0103 to run through all wallboards, at left main wall plate 0101 (simultaneously referring to Fig. 2), respectively put a base bearing (indicating illustrates among the figure) supporting final drive shaft 0201 in the right side main wall plate 0102,0201 of each base bearing inner ring and final drive shaft are fastenedly connected by base bearing adapter sleeve 0213, simultaneously, on a left side, right redundant wallboard 0131L, respectively put an auxiliary bearing (indicating illustrates among the figure) in the 0131R together in order to final drive shaft 0201 is carried out aiding support, be connected fastening by auxiliary bearing adapter sleeve 0251 between each auxiliary bearing inner ring and the final drive shaft 0201, auxiliary bearing is installed in the asessory shaft bearing 0252, asessory shaft bearing 0252 is installed in the dead eye of auxiliary wallboard, but by asessory shaft bearing 0252 radiai adjustment axial line position, to guarantee the smallest radial jerk value of final drive shaft 0201 when running up.
As schematically shown in Figure 5, in the restriceted envelope between right main wall plate 0102 and right redundant wallboard 0131R, two synchronous disjunctor eccentric wheels 0202 are installed on the described final drive shaft 0201, and (left side is as the same, and symmetrical and be installed on synchronously on the same final drive shaft 0201 with two disjunctor eccentric wheels 0202 on right side, consult Fig. 2), each disjunctor eccentric wheel 0202 is the disjunctor symmetrical structure of coaxial aperture, it has the eccentric position relative angle and differs from 180 °, two eccentric son wheels that offset equates, the eccentric part barycenter of these two eccentric son wheels is complete 180 ° with respect to coaxial aperture heart line (main transmission axle center line), is to belong to part together.Each eccentric son wheel is all by connecting rod of eccentric shaft bearing rotating drive, left and right two disjunctor eccentric wheels by four connecting rods common drive outer griffe frame 0308 and in griffe each four hinged lower connecting base 0302 (referring to Fig. 6, Fig. 7) on the frame 0307, to realize long griffe to organize 0308-1, the short alternately upper and lower opening action of griffing to organize 0307-1.
Griffe frame 0308 outward and griffe to organize the outer Griffe mechanism of the hinged formation of 0308-1 by some suspension rods (not marking among the figure) with long, in griffe frame 0307 by some suspension rods and shortly griffe to organize Griffe mechanism in the hinged formation of 0307-1.
Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 are this case right side scheme implementation example are shown.This case left side is full symmetric equivalent arrangements (referring to Fig. 2) with the right side, now with this case right side embodiment this case transmission principle is elaborated:
As schematically shown in Figure 5, the right avertence center wheel of outside disjunctor eccentric wheel 0202 (near right redundant wallboard 0131R side) drives first connecting rod 0203H1, left avertence center wheel drive second connecting rod 0203H2 by eccentric shaft bearing.
Such as Fig. 4,6,7 illustrate, mounting support is distinguished on right main wall plate 0102 and right redundant wallboard 0131R by bearing adapter sleeve 0216 and bearing (indicating among the figure) in rear-swing arm axle 0205 two ends, the upper end of first connecting rod 0203H1 (small end) is hinged with the connecting rod swing arm 0247 that is fixedly mounted on the rear-swing arm axle 0205, the other end of rear-swing arm axle 0205 (main wall plate 0102 left side) is installed with rear fixedly swing arm 0208 (referring to Fig. 6), in the arc groove of rear fixedly swing arm 0208 upper connecting base 0301 is housed, upper connecting base 0301 is griffed the lower connecting base 0302 of frame 0307 rearward end and is connected by long adjusting elevating lever 0303 and in being hinged on.This driving-chain is: by behind the rotary actuation of final drive shaft 0201 fixedly the reciprocal angular displacement of swing arm 0208 swing, thereby griffe the lifting reciprocating motion of lower connecting base 0302 of frame 0307 rearward end in realizing; And the upper end (small end) of second connecting rod 0203 H2 is hinged with rear activity swing arm 0,246 one end of movable set on rear-swing arm axle 0205, rear activity swing arm 0246 endoluminal means has two bearings, can make it around the 0205 independent rotation of rear-swing arm axle, should after in the other end arc groove of activity swing arm 0246 (referring to Fig. 7) upper connecting base 0301 is housed, upper connecting base 0301 is connected by long lower connecting base 0302 (invisible among the figure) of griffing frame 0308 rearward end outside regulating elevating lever 0303 and being hinged on.This driving-chain is: the reciprocal angular displacement by activity swing arm 0246 behind the rotary actuation of final drive shaft 0201 swings, thereby realizes the lifting reciprocating motion of outer lower connecting base (invisible among the figure) of griffing frame 0308 rearward end.
Above-mentioned driving-chain synthesizes: by outside disjunctor eccentric wheel 0202 (contiguous right redundant wallboard 0131R) about it eccentric son wheel driven in synchronism right side outer, in griffe frame 0308,0307 rearward end and carry out the alternatively up and down harness motion.
As schematically shown in Figure 5, the upper right eccentric son wheel of inboard disjunctor eccentric wheel 0202 (near right main wall plate 0102 side) drives third connecting rod 0203H3, left avertence center wheel drive the 4th connecting rod 0203H4 by eccentric shaft bearing.
Mounting support is also distinguished on right main wall plate 0102 and right redundant wallboard 0131R by identical bearing holder (housing, cover) 0216 and bearing in forward swing arm axle 0215 two ends.Such as Fig. 6, illustrated in Figure 7, the upper end (small end) of third connecting rod 0203 H3 is hinged with the connecting rod swing arm 0247 that is fixedly mounted on the forward swing arm axle 0215, the other end of forward swing arm axle 0215 (main wall plate 0102 left side) is installed with front fixedly swing arm 0209, before fixedly in the arc groove of swing arm 0209 upper connecting base 0301 is housed, upper connecting base 0301 save elevating lever 0304 by minor and be hinged in griffe the lower connecting base 0302 of frame 0307 leading section and be connected.This driving-chain is: by before the rotary actuation of final drive shaft 0201 fixedly the reciprocal angular displacement of swing arm 0209 swing, thereby griffe the lifting reciprocating motion of lower connecting base 0302 of frame 0307 leading section in realizing; The upper end (small end) of the 4th connecting rod 0203 H4 is hinged with front activity swing arm 0,249 one end of movable set on forward swing arm axle 0215, front activity swing arm 0249 endoluminal means has two bearings, can make it around the 0215 independent rotation of forward swing arm axle, such as Fig. 7, should in the other end arc groove of front activity swing arm 0249 upper connecting base 0301 be housed, upper connecting base 0301 saves elevating lever 0304 by minor and is hinged on outer lower connecting base 0302 of griffing frame 0308 leading section and is connected.This driving-chain is: the reciprocal angular displacement by activity swing arm 0249 before the rotary actuation of final drive shaft 0201 swings, thereby realizes the lifting reciprocating motion of outer lower connecting base 0302 of griffing frame 0308 leading section.
Above-mentioned driving-chain synthesizes: by inboard disjunctor eccentric wheel 0202 (contiguous right main wall plate 0102) about it eccentric son wheel driven in synchronism right side outer, in griffe frame 0308,0307 leading section and carry out the alternatively up and down harness motion.
Foregoing description is this case right side embodiment transmission principle, this case left side is the full symmetric equivalent arrangements with the right side, left side transmission principle and right side full symmetric be (referring to Fig. 2) synchronously, the left side driving-chain be used for to be realized the outer forward and backward end alternatively up and down harness motion of griffing to griffe in frame 0308, the left side frame 0307 in left side, kinematic parameter and rule are equal to and are synchronized with this case right side driving-chain, repeat no more in this specification.
See also Fig. 2, totally eight connecting rods in the left and right sides is general interchangeable parts, medial and lateral, left and right sides disjunctor eccentric wheel is general interchangeable parts, the forward and backward arm shaft in the left and right sides is general interchangeable parts, four connecting rod swing arms in the left and right sides are general interchangeable parts, activity swing arm before the left and right sides, front fixedly swing arm are respectively general interchangeable parts, and activity swing arm behind the left and right sides, rear fixedly swing arm are respectively general interchangeable parts.
The in the same way far-end that is positioned at fixedly swing arm, the activity swing arm of each main wall plate both sides all offers for detection of the detection hole of the elevating lever height that links to each other with corresponding fixedly swing arm, for detection of the detection hole of the elevating lever height that links to each other with corresponding activity swing arm, offers corresponding datum hole at each main wall plate.
Four groups of holes that datum hole is comprised of top dead centre datum hole 0401, initial position datum hole 0402, lower dead center datum hole 0403 are provided with one group of three hole near each upper corners of each main wall plate, wherein:
1) detection hole h1, the h2 of far-end is alternately when corresponding top dead centre datum hole 0401 is the hole heart and aligns in the same way when fixedly swing arm, activity swing arm, and fixedly the elevating lever of swing arm and the elevating lever that is connected in this activity swing arm alternately are in top dead center position to be connected in this;
2) when detection hole h1, the h2 of the in the same way far-end of fixedly swing arm, activity swing arm alternately when corresponding lower dead center datum hole 0403 is the hole heart and aligns, fixedly the elevating lever of swing arm and the elevating lever that is connected in this activity swing arm alternately are in bottom dead center position to be connected in this;
3) when detection hole h1, the h2 of fixing swing arm and the in the same way far-end of activity swing arm all simultaneously in alignment with corresponding initial position datum hole 0402, then be connected in this fixedly the elevating lever of swing arm be co-located on the equal height position with the elevating lever that is connected in this activity swing arm.
Inside and outside griffe frame 0307,0308 and the tie point position of elevating lever distinguish by left and right side, can be subdivided into left front, left back and right front, right back four points of connection position, that is shortly, long griffe to organize 0307-1,0308-1 and all can be divided into left front, left back and right front, right back four positions, long griffe to organize the 0308-1 top dead center position and shortly griffe to organize the 0307-1 bottom dead center position, respectively by the detection hole h2 in four activity swing arms, four fixedly on the detection hole h1 in the swing arm and the wallboard corresponding upper and lower stop datum hole 0401, the 0403 hole heart align to be guaranteed.
Jacquard is positioned at 180 °, as shown in Figure 7, when the detection hole h2 in four activity swing arms respectively with main wall plate on each self-corresponding one upper end datum hole 0401 hole heart to punctual (wherein, in conjunction with Fig. 2, be positioned at left main wall plate 101 outsides before, each one of rear activity swing arm detect the hole respectively with left main wall plate 101 before, corresponding top dead centre datum hole is not shown near the rear upper corners), guaranteed that long four ends of griffing to organize 0308-1 all are corrected to top dead center position, meanwhile, as shown in Figure 6, when four fixedly the detection hole h1 in the swing arm respectively with main wall plate on each self-corresponding one lower end datum hole 0403 hole heart to punctual (wherein, in conjunction with Fig. 2, be positioned at left main wall plate 101 outsides before, each one detection of rear fixedly swing arm hole respectively with left main wall plate 101 before, corresponding lower dead center datum hole is not shown near the rear upper corners), guaranteed that short four ends of griffing to organize 0307-1 all are corrected to bottom dead center position; Forward jacquard to next 180 ° (namely rotating final drive shaft 0,201 one circle), when four activity swing arms this moment arrive lower position four fixedly swing arm be in the high position, when the detection hole h2 in four activity swing arms respectively with main wall plate on each self-corresponding lower datum hole 0403 hole heart that ends on time, guaranteed that long four ends of griffing to organize 0308-1 all are corrected to bottom dead center position, meanwhile, when four fixedly the detection hole h1 in the swing arm respectively with main wall plate on each self-corresponding upper datum hole 0401 hole heart that ends on time, guaranteed that short four ends of griffing to organize 0307-1 all are corrected to top dead center position; Jacquard is turned to 0 °, when four fixedly the detection hole h2 of detection hole h1 and four activity swing arms of swing arm is all simultaneously one by one in alignment with corresponding initial position datum hole 0402 (wherein, in conjunction with Fig. 2, near the left main wall plate 101 forward and backward upper corners initial position datum hole is not shown), then longly griffe to organize 0308-1 and short to griffe to organize 0307-1 concordant mutually.
Claims (8)
1. high speed jacquard weave shedding motion, wherein, inside and outside griffe frame, the inside and outside Griffe mechanism that short length griffes to organize alternately pumps and transmits realization by the swing mechanism with arm shaft and the motion between the single primary power transmission shaft, rotation is arranged at a left side, be equipped with on the final drive shaft of right main wall plate be used to the eccentric wheel connecting rod mechanism that drives described swing mechanism, it is characterized in that described eccentric wheel connecting rod mechanism has quadruplet, be symmetrically distributed in a left side, near the right main wall plate, and all be equipped on synchronously on the final drive shaft, every cover eccentric wheel connecting rod mechanism comprises having equal offset, the single-piece disjunctor eccentric wheel of symmetrical configuration, be located at two connecting rods on the disjunctor eccentric wheel, and above inside and outside same side of griffing frame, all be furnished with the swing mechanism of this arm shaft, described arm shaft is from left, right main wall plate extends in parallel formation, each arm shaft near each main wall plate both sides, be equipped with by elevating lever with in, griffe the fixedly swing arm that frame holds the angle to link to each other in the same way outward, activity swing arm and be used for driving the connecting rod swing arm that described arm shaft waves, the connecting rod swing arm of each swing mechanism, a connecting rod of activity swing arm and a corresponding cover eccentric wheel connecting rod mechanism, another connecting rod connects respectively.
2. high speed jacquard weave shedding motion according to claim 1, it is characterized in that: described elevating lever is height-adjustable elevating lever, offer respectively detection hole for detection of the elevating lever height that links to each other with corresponding fixedly swing arm at the in the same way far-end of fixedly swing arm, activity swing arm, for detection of the detection hole of the elevating lever height that links to each other with corresponding activity swing arm, offer corresponding datum hole at main wall plate.
3. high speed jacquard weave shedding motion according to claim 2, it is characterized in that: described datum hole is comprised of top dead centre datum hole, initial position datum hole, lower dead center datum hole, wherein,
1) when the detection hole of the in the same way far-end of fixedly swing arm, activity swing arm alternately when corresponding top dead centre datum hole is the hole heart and aligns, fixedly the elevating lever of swing arm and the elevating lever that is connected in this activity swing arm alternately are in top dead center position to be connected in this;
2) when the detection hole of the in the same way far-end of fixedly swing arm, activity swing arm alternately when corresponding lower dead center datum hole is the hole heart and aligns, fixedly the elevating lever of swing arm and the elevating lever that is connected in this activity swing arm alternately are in bottom dead center position to be connected in this;
3) when the detection Kong Jun of fixing swing arm and the in the same way far-end of activity swing arm in alignment with corresponding initial position datum hole, then be connected in this fixedly the elevating lever of swing arm be co-located on the equal height position with the elevating lever that is connected in this activity swing arm.
4. according to claim 1 and 2 or 3 described high speed jacquard weave shedding motions, it is characterized in that: be furnished with respectively left redundant wallboard, right redundant wallboard in the outside of described left and right main wall plate, described final drive shaft all is placed through the bottom of two main wall plates, two auxiliary wallboards, described symmetrical eccentric wheel connecting rod mechanism lays respectively between the left main wall plate outside and the left redundant wallboard inboard and outside the right main wall plate and between the right redundant wallboard inboard, wherein
One eccentric wheel connecting rod mechanism of 1) being close to right redundant wallboard inboard comprises the disjunctor eccentric wheel that outer eccentric son wheel and interior eccentric son are taken turns, be set with in outer eccentric son wheel, first connecting rod on the interior eccentric son wheel, second connecting rod, outer eccentric son is taken turns with interior eccentric son wheel as having the offset of equating, the disjunctor symmetrical structure of coaxial aperture, a swing mechanism corresponding with this eccentric wheel connecting rod mechanism is arranged in griffes the common back upper place of frame inside and outside the right side, it comprises and is placed through right main wall plate top, the rear-swing arm axle on right redundant wallboard top, be divided into the connecting rod swing arm on the rear-swing arm axle, rear activity swing arm and be installed on the rear fixedly swing arm of rear-swing arm axle the inner, connecting rod swing arm is hinged therewith for first connecting rod upper end, the second connecting rod upper end with should after the activity swing arm hinged;
2) eccentric wheel connecting rod mechanism outside the contiguous right main wall plate comprises the disjunctor eccentric wheel of outer eccentric son wheel and interior eccentric sub-wheel, be set with in outer eccentric son wheel, third connecting rod on the interior eccentric son wheel, the 4th connecting rod, outer eccentric son is taken turns with interior eccentric son wheel as having the offset of equating, the disjunctor symmetrical structure of coaxial aperture, a swing mechanism corresponding with this eccentric wheel connecting rod mechanism is arranged in griffes the common front upper place of frame inside and outside the right side, it comprises and is placed through right main wall plate top, the forward swing arm axle on right redundant wallboard top, be divided into the connecting rod swing arm on the forward swing arm axle, front activity swing arm and be installed on the front fixedly swing arm of forward swing arm axle the inner, connecting rod swing arm is hinged therewith in the third connecting rod upper end, and the 4th small end is hinged with this front activity swing arm;
One eccentric wheel connecting rod mechanism of 3) being close to left redundant wallboard inboard comprises the disjunctor eccentric wheel that outer eccentric son wheel and interior eccentric son are taken turns, be set with in outer eccentric son wheel, the 5th connecting rod on the interior eccentric son wheel, the 6th connecting rod, outer eccentric son is taken turns with interior eccentric son wheel as having the offset of equating, the disjunctor symmetrical structure of coaxial aperture, a swing mechanism corresponding with this eccentric wheel connecting rod mechanism is arranged in griffes the common back upper place of frame inside and outside the left side, it comprises and is placed through left main wall plate top, the rear-swing arm axle on left redundant wallboard top, be divided into the connecting rod swing arm on the rear-swing arm axle, rear activity swing arm and be installed on the rear fixedly swing arm of rear-swing arm axle the inner, the 5th small end therewith connecting rod swing arm is hinged, and the 6th small end is hinged with this rear activity swing arm;
4) eccentric wheel connecting rod mechanism outside the contiguous left main wall plate comprises the disjunctor eccentric wheel of outer eccentric son wheel and interior eccentric sub-wheel, be set with in outer eccentric son wheel, seven-link assembly on the interior eccentric son wheel, the 8th connecting rod, outer eccentric son is taken turns with interior eccentric son wheel as having the offset of equating, the disjunctor symmetrical structure of coaxial aperture, a swing mechanism corresponding with this eccentric wheel connecting rod mechanism is arranged in griffes the common front upper place of frame inside and outside the left side, it comprises and is placed through left main wall plate top, the forward swing arm axle on left redundant wallboard top, be divided into the connecting rod swing arm on the forward swing arm axle, front activity swing arm and be installed on the front fixedly swing arm of forward swing arm axle the inner, connecting rod swing arm is hinged therewith in the seven-link assembly upper end, and the 8th small end is hinged with this front activity swing arm.
5. high speed jacquard weave shedding motion according to claim 4, it is characterized in that: described final drive shaft is by the auxiliary bearing supporting of the base bearing that is positioned at two main wall plates, two auxiliary wallboards, two auxiliary bearings all are installed in the auxiliary wallboard by radially adjustable asessory shaft bearing, two base bearings all and between the final drive shaft are equipped with the base bearing adapter sleeve, and two auxiliary bearings all and the auxiliary bearing adapter sleeve is installed between the main transmission axle head; Be placed through the forward and backward arm shaft on right main wall plate top and right redundant wallboard top, and the forward and backward arm shaft that is placed through left main wall plate top and left redundant wallboard top supports by bearing, between each end of described forward and backward arm shaft and the bearing bearing adapter sleeve is installed all.
6. high speed jacquard weave shedding motion according to claim 4, it is characterized in that: described the first～the 8th connecting rod is general interchangeable parts, disjunctor eccentric wheel, arm shaft, connecting rod swing arm are respectively general interchangeable parts, front activity swing arm, front fixedly swing arm are respectively general interchangeable parts, and rear activity swing arm, rear fixedly swing arm are respectively general interchangeable parts.
7. high speed jacquard weave shedding motion according to claim 5, it is characterized in that: described the first～the 8th connecting rod is general interchangeable parts, disjunctor eccentric wheel, arm shaft, connecting rod swing arm are respectively general interchangeable parts, front activity swing arm, front fixedly swing arm are respectively general interchangeable parts, and rear activity swing arm, rear fixedly swing arm are respectively general interchangeable parts.
One kind dispose according to claim 1～7 in the jacquard of each described high speed jacquard weave shedding motion, it is characterized in that: comprise bottom framework, the main power source input unit, tubular support shelves, long support and short supporting, described left main wall plate, right main wall plate, the left redundant wallboard, the right redundant wallboard all is installed on the bottom framework, tubular support shelves are fixedly connected on a left side, right main wall plate bottom, described final drive shaft runs through tubular support shelves inner chamber, and the predetermined axle head that final drive shaft stretches out left redundant wallboard or right redundant wallboard is connected with the main power source input unit that is installed on the bottom framework place, long support is fixedly connected on a left side, right main wall plate top, short supporting then are fixedly connected on respectively the top of left main wall plate and left redundant wallboard, be fixedly connected on the top of right main wall plate and right redundant wallboard.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220296A (en) * | 2015-10-18 | 2016-01-06 | 汪建兴 | Be equipped with the jacquard weave shedding motion carrying tool rest guiding mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103243444A (en) * | 2013-05-16 | 2013-08-14 | 湖州厉华妤婕联合纺织有限公司 | Connection device of transmission shaft of jacquard |
| CN104499146B (en) * | 2014-12-24 | 2016-01-27 | 杭州五木科技有限公司 | Shedding mechanism electronic jacquard machine |
| CN105220295B (en) * | 2015-10-18 | 2017-07-21 | 嵊州市三成机械有限公司 | High-speed overload lotus jacquard weave shedding motion |
| CN105483895A (en) * | 2016-01-21 | 2016-04-13 | 张军波 | Conjugate cam jacquard shedding device |
| CN106987960B (en) * | 2017-03-09 | 2018-05-25 | 董佶悦 | A kind of electronic jacquard machine load analysis method |
| CN107083601B (en) * | 2017-03-09 | 2018-05-25 | 董佶悦 | A kind of electronic jacquard machine Mechanical Running Condition detection and analysis method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1004308A3 (en) * | 1989-07-17 | 1992-10-27 | Wiele Michel Van De Nv | DRIVE FOR KNIVES GRIDS OF A DOUBLE-HEF OPEN GAAP jacquard, jacquard LIKE SUCH A DRIVE SYSTEM EQUIPPED. |
| FR2854642B1 (en) * | 2003-05-06 | 2005-07-08 | Staubli Lyon | CROWN FORMING DEVICE AND JACQUARD TYPE WEAVING EQUIPPED WITH SUCH A DEVICE |
| CN2844161Y (en) * | 2005-11-25 | 2006-12-06 | 浙江大学 | A kind of electronic jacquard machine is griffed mechanism |
| CN201390833Y (en) * | 2008-12-18 | 2010-01-27 | 宁波川一纺织设备有限公司 | Electronic jacquard machine |
| CN101831743B (en) * | 2010-05-05 | 2011-08-31 | 汪建兴 | Transmission mechanism for griffe of jacquard |
| CN102031614A (en) * | 2010-12-30 | 2011-04-27 | 常熟市常纺纺织机械有限公司 | Shedding mechanism for jacquard machine |
| CN102220668B (en) * | 2011-05-31 | 2013-03-13 | 浙江奇汇电子提花机有限公司 | Transmission mechanism for griffs in electronic jacquard |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220296A (en) * | 2015-10-18 | 2016-01-06 | 汪建兴 | Be equipped with the jacquard weave shedding motion carrying tool rest guiding mechanism |
| CN105220296B (en) * | 2015-10-18 | 2017-05-03 | 汪建兴 | Jacquard shedding device equipped with lifting knife rest guiding mechanisms |
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