CN202298003U - An eccentric non-circular gear-crank rocker rapier loom weft inserting and knitting mechanism - Google Patents
An eccentric non-circular gear-crank rocker rapier loom weft inserting and knitting mechanism Download PDFInfo
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- CN202298003U CN202298003U CN2011203742842U CN201120374284U CN202298003U CN 202298003 U CN202298003 U CN 202298003U CN 2011203742842 U CN2011203742842 U CN 2011203742842U CN 201120374284 U CN201120374284 U CN 201120374284U CN 202298003 U CN202298003 U CN 202298003U
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Abstract
The utility model discloses an eccentric non-circular gear-crank rocker rapier loom weft inserting and knitting mechanism, wherein two sides of the main shaft of the rapier loom are provided with a same set of weft inserting, weft knitting mechanism. In each set of mechanism, the main shaft is provided with two pairs of eccentric non-circular gears, wherein one pair of the eccentric non-circular gear transmits power to a weft inserting sword head to compose a weft inserting mechanism by a crank rocking bar, two pairs of circular gears, one pair of conical gear and a sword wheel; the relay weft insertion is realized through different initial engagement position angles of the eccentric non-circular gear of the weft inserting mechanisms on both left and right sides of the rapier loom; the acceleration rule of the sword head is isosceles trapezoid by optimizing the eccentric gear parameters, which helps reducing the weft tension. The other pair of the eccentric non-circular gear is transmitted to a weft knitting steel reed through a crank rocking bar to form a weft knitting mechanism, which can realize a complete pause time of about 220 degree of a reed base near a back center. The eccentric gear processing assembling of the mechanism is more convenient than a conjugate cam, therefore precision can be ensured more easily.
Description
Technical field
The utility model relates to Weft insertion mechanism of rapier loom and beating-up mechanism, is specifically related to a kind of rapier loom weft insertion, beating-up mechanism of eccentric non-circular gear-crank rocker.
Background technology
The effect of weft insertion device is that the non-at the uniform velocity regular linear reciprocation that the uniform speed rotation with rapier loom main shaft is converted into the sword head moves.At present, the Weft insertion mechanism of rapier loom of selling on the market at home mainly contains: the conjugate cam weft insertion device, and the type mechanism is easy to satisfy the characteristics of motion of wefting insertion requirement, but the cam profile requirement on machining accuracy is quite high, as exist error just to produce impact; Variable-pitch auger transmission weft insertion device, the secondary processing difficulties of the variable-pitch auger of the type mechanism; Plane six connecting rods send latitude, four link latitude mechanisms, can conveniently realize " relay " wefting insertion, but its motion of weft-insertion rule design flexibility is not as the conjugate cam weft insertion device; The space four-links weft insertion device, its motion of weft-insertion rule design flexibility send latitude, four link latitude mechanisms not as plane six connecting rods.
The effect of beating-up mechanism is the non-at the uniform velocity swing that the uniform speed rotation of loom main shaft is converted into rocker, requires slay that dead time or " the approximate pause " time will be arranged in heart position, back, so that there is adequate time to accomplish the wefting insertion action.At present; The loom beating-up mechanism that sells on the market at home mainly contains: beat-up Conjugate Cam; The type mechanism is easy to satisfy the characteristics of motion of beating up and requiring; Can realize the complete dead time about 240 °, but the cam profile requirement on machining accuracy is quite high, as exists error just to produce impact; Four connecting rod beating-up mechanisms if allow the displacement of beating up about 5mm, can be realized " the approximate pause " time about 65 °, and performance is mainly used in the Nonseparation slay than beat-up Conjugate Cam difference; Six connecting rod beating-up mechanisms; If allow the displacement of beating up about 5mm, can realize " the approximate pause " time about 120 °, its performance is superior to four connecting rod beating-up mechanisms; But than beat-up Conjugate Cam difference; This mechanism's hinge point is more in addition, and cumulative errors are big, so requirement on machining accuracy is higher than four connecting rod beating-up mechanisms.
Summary of the invention
The purpose of the utility model is to provide a kind of rapier loom weft insertion, beating-up mechanism of eccentric non-circular gear-crank rocker; This cover mechanism can satisfy the woven wefting insertion of Rapier looms and beat up technological requirement, realizes having the non-at the uniform velocity straight reciprocating motion rule of sword head and the requirement of " relay " wefting insertion of " isosceles trapezoid " acceleration; Satisfying slay simultaneously has the complete dead time about 220 ° in heart position, back, and process and assemble is convenient, guarantees precision easily.
In order to achieve the above object, the technical scheme of the utility model employing is:
Motor is passed to driven synchronous pulley through being with synchronously with power, and driven synchronous pulley is fixed on the loom master
On the axle, loom main shaft is supported on left and right sides wefting insertion, the beating-up mechanism gear-box; Loom main shaft the right and left respectively has a cover wefting insertion, beating-up mechanism, and the structural parameters of two cover wefting insertion, beating-up mechanism are consistent; In every cover wefting insertion, the beating-up mechanism, be fixed with the wefting insertion eccentric gear on the loom main shaft respectively and beat up eccentric gear; Wherein, the structure of the left side one cover wefting insertion, beating-up mechanism is following:
In the weft insertion device: the wefting insertion non-circular gear of wefting insertion eccentric gear and conjugation is meshed, and the wefting insertion non-circular gear is fixed on first, and first is supported on left side wefting insertion, the beating-up mechanism gear-box; One end of wefting insertion crank is fixed on first the overhanging end; One end of wefting insertion connecting rod and the other end of wefting insertion crank are hinged; One end of wefting insertion rocking bar and the other end of wefting insertion connecting rod are hinged; The other end of wefting insertion rocking bar is fixed on second the overhanging end, and second is supported on wefting insertion, the beating-up mechanism gear-box; The first order initiatively cylindrical sector gear is fixed on second, and with the engagement of first order driven cylindrical gear, first order driven cylindrical gear is fixed on the 3rd, and the 3rd is supported on wefting insertion, the beating-up mechanism gear-box; The second level initiatively roller gear is fixed on the 3rd, and with the engagement of second level driven cylindrical gear, second level driven cylindrical gear is fixed on the 4th, and the 4th is supported on wefting insertion, the beating-up mechanism gear-box; Initiatively bevel gear is fixed on the 4th, and with the driven bevel gear engagement, driven bevel gear is fixed on the 5th, and the 5th is supported on wefting insertion, the beating-up mechanism gear-box; Sword is taken turns on the overhanging end that is fixed on the 5th, is with sword belt on the sword wheel, and the end of sword belt has wefting insertion sword head;
In the beating-up mechanism: the non-circular gear that beats up of beat up eccentric gear and conjugation is meshed, and the non-circular gear that beats up is fixed on the 6th, and the 6th is supported on wefting insertion, the beating-up mechanism gear-box; The end of crank of beating up is fixed on the 6th the overhanging end; The end of connecting rod of beating up is hinged with the other end of crank of beating up; The end of rocking bar of beating up is hinged with the other end of connecting rod of beating up; The other end of rocking bar of beating up is fixed on the 7th the overhanging end, and the 7th is supported on wefting insertion, the beating-up mechanism gear-box; Reed is fixed on the 7th the overhanging end.
The plane that said wefting insertion eccentric gear and wefting insertion non-circular gear pivot center are formed is a horizontal plane, and the eccentricity of wefting insertion eccentric gear is 0.05 ~ 0.15.
The plane that said beat up eccentric gear and the non-circular gear pivot center that beats up are formed is a water line, and is on the same horizontal plane with the plane of wefting insertion eccentric gear with wefting insertion non-circular gear pivot center composition, and the eccentricity of the eccentric gear that beats up is 0.15 ~ 0.25.
When said reed is in beating up of front center position; The angle, the position of engagement of the wefting insertion non-circular gear in the wefting insertion eccentric gear in the weft insertion device of the left side and the left side weft insertion device is realized " relay wefting insertion " than 10 ~ 15 ° in advance at the angle, the position of engagement of wefting insertion eccentric gear in the weft insertion device of the right and the wefting insertion non-circular gear in the weft insertion device of the right through initial engagement position angle difference.
When said reed was in beating up of front center position, the center of rotation of the eccentric gear that beats up was in horizontal position with the geometric center line of the eccentric gear that beats up.
Said the 7th directly over loom main shaft, between the diaxon distance be 135 ~ 145mm.
When said reed is in beating up of front center position, wefting insertion crank and wefting insertion connecting rod conllinear, and be in stretching state, this moment, wefting insertion crank and horizontal line angle were 50 ° ~ 55 °; Long 42 ~ the 48mm of wefting insertion crank, wefting insertion length of connecting rod 98 ~ 103mm, the long 175 ~ 185mm of wefting insertion rocking bar.
When said reed is in beating up of front center position, the beat up crank and the connecting rod conllinear that beats up, and be in overlap condition, beat up crank and horizontal line angle are 65 ° ~ 70 °; Long 38 ~ the 42mm of the crank that beats up, the length of connecting rod 98 ~ 103mm that beats up, the long 175 ~ 185mm of rocking bar.
The plane of said second and the 4th composition is a horizontal plane, and this plane is 125 ~ 130mm with the horizontal plane of crossing loom main shaft.
The gear of said beating-up mechanism and weft insertion device all is contained in same wefting insertion, the beating-up mechanism gear-box.
The beneficial effect that the utlity model has is:
Can realize the acceleration movement rule of " relay wefting insertion " and " isosceles trapezoid ", reduce the error of weft tension and wefting insertion.Realize that reed has the complete dead time about 220 ° in heart position, back, make wefting insertion like this
Arrow has time enough that weft yarn is introduced shed open and the movement interference with reed does not take place, thereby satisfies the weaving process requirement of Rapier looms, accomplishes to send connecing latitude action and beating-up.The eccentric gear process and assemble of beating-up mechanism and weft insertion device is convenient simultaneously, guarantees precision easily.
Description of drawings
Fig. 1 is the structural principle front view of the utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is left side wefting insertion off-centre-noncircular gear pair engagement figure.
Fig. 4 is the left side off-centre-noncircular gear pair engagement figure that beats up.
Among the figure: E. left side wefting insertion, beating-up mechanism, F. the right wefting insertion, beating-up mechanism, 1. driven synchronous pulley, 2. loom main shaft, 3,3 '. wefting insertion, beating-up mechanism gear-box; 4,4 '. the wefting insertion eccentric gear, 5,5 '. the eccentric gear that beats up, 6,6 '. the wefting insertion non-circular gear, 7,7 '. first, 8,8 '. the wefting insertion crank; 9,9 '. the wefting insertion connecting rod, 10,10 '. the wefting insertion rocking bar, 11,11 '. second, 12,12 '. the first order is the cylindrical sector gear initiatively; 13,13 '. first order driven cylindrical gear, 14,14 '. the 3rd, 15,15 '. the second level is roller gear initiatively, 16,16 '. second level driven cylindrical gear; 17,17 '. the 4th, 18,18 '. bevel gear initiatively, 19,19 '. driven bevel gear, 20,20 '. the 5th; 21,21 '. the sword wheel, 22,22 '. the non-circular gear that beats up, 23,23 '. the 6th, 24,24 '. crank beats up; 25,25 '. the connecting rod that beats up, 26,26 '. the rocking bar that beats up, 27,27 '. the 7th, 28,28 '. reed.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
As shown in Figure 1, motor is passed to driven synchronous pulley 1 through synchronous band with power, and driven synchronous pulley 1 is fixed on the loom main shaft 2, loom main shaft 2 be supported on left and right sides wefting insertion, beating-up mechanism gear-box 3,3 ' on; Loom main shaft 2 the right and lefts respectively have a cover wefting insertion, beating-up mechanism E, F, and the structural parameters of two cover wefting insertion, beating-up mechanism E, F are consistent; In every cover wefting insertion, the beating-up mechanism, be fixed with respectively on the loom main shaft 2 wefting insertion eccentric gear 4,4 ' and the eccentric gear 5,5 that beats up '; Wherein:
The structure of the left side one cover wefting insertion, beating-up mechanism E is following:
In the weft insertion device of the left side: the wefting insertion non-circular gear 6 of wefting insertion eccentric gear 4 and conjugation is meshed, and wefting insertion non-circular gear 6 is fixed on first 7, and first 7 is supported on left side wefting insertion, the beating-up mechanism gear-box 3; One end A of wefting insertion crank 8 is fixed on first 7 the overhanging end; The one end B of wefting insertion connecting rod 9 and the other end B of wefting insertion crank 8 are hinged; The one end C of wefting insertion rocking bar 10 and the other end C of wefting insertion connecting rod 9 are hinged; The other end D of wefting insertion rocking bar 10 is fixed on second 11 the overhanging end, and second 11 is supported on wefting insertion, the beating-up mechanism gear-box 3; The first order initiatively cylindrical sector gear 12 is fixed on second 11, and with 13 engagements of first order driven cylindrical gear, first order driven cylindrical gear 13 is fixed on the 3rd 14, and the 3rd 14 is supported on wefting insertion, the beating-up mechanism gear-box 3; The second level initiatively roller gear 15 is fixed on the 3rd 14, and with 16 engagements of second level driven cylindrical gear, second level driven cylindrical gear 16 is fixed on the 4th 17, and the 4th 17 is supported on wefting insertion, the beating-up mechanism gear-box 3; Initiatively bevel gear 18 is fixed on the 4th 17, and with driven bevel gear 19 engagements, driven bevel gear 19 is fixed on the 5th 20, and the 5th 20 is supported on wefting insertion, the beating-up mechanism gear-box 3; Sword wheel 21 is fixed on the 5th 20 the overhanging end, is with sword belt on the sword wheel 21, and the end of sword belt has wefting insertion sword head;
In the beating-up mechanism of the left side: the non-circular gear 22 that beats up of beat up eccentric gear 5 and conjugation is meshed, and the non-circular gear 22 that beats up is fixed on the 6th 23, and the 6th 23 is supported on wefting insertion, the beating-up mechanism gear-box 3; The end A1 of crank 24 of beating up is fixed on the 6th 23 the overhanging end; The end B1 of connecting rod 25 of beating up is hinged with the other end B1 of crank 24 of beating up; The end C1 of rocking bar 26 of beating up is hinged with the other end C1 of connecting rod 25 of beating up; The other end D1 of rocking bar 26 of beating up is fixed on the 7th 27 the overhanging end, and the 7th 27 is supported on wefting insertion, the beating-up mechanism gear-box 3; Reed 28 is fixed on the 7th 27 the overhanging end.
Said wefting insertion eccentric gear 4 is a horizontal plane with the plane that wefting insertion non-circular gear 6 pivot centers are formed, and the eccentricity of wefting insertion eccentric gear 4 is 0.05 ~ 0.15.
Said plane of beating up the eccentric gear 5 and the non-circular gear 22 pivot centers composition that beats up is a water line; And the plane of forming with wefting insertion eccentric gear 4 and wefting insertion non-circular gear 6 pivot centers is on the same horizontal plane, and the eccentricity of the eccentric gear 5 that beats up is 0.15 ~ 0.25.
When said reed 28 was in beating up of front center position, the center of rotation of the eccentric gear 5 that beats up was in horizontal position with the geometric center line of the eccentric gear 5 that beats up.
Said the 7th 27 directly over loom main shaft 2, between the diaxon distance be 135 ~ 145mm.
When said reed 28 is in beating up of front center position, wefting insertion crank 8 and wefting insertion connecting rod 9 conllinear, and be in stretching state, this moment, wefting insertion crank 8 was 50 ° ~ 55 ° with the horizontal line angle; Wefting insertion crank 8 long 42 ~ 48mm, wefting insertion connecting rod 9 long 98 ~ 103mm, wefting insertion rocking bar 10 long 175 ~ 185mm.
When said reed 28 is in beating up of front center position, the beat up crank 24 and connecting rod 25 conllinear that beat up, and be in overlap condition, the crank 24 that beats up is 65 ° ~ 70 ° with the horizontal line angle; Crank 24 length of beating up 38 ~ 42mm, the connecting rod 25 long 98 ~ 103mm that beat up, rocking bar 26 long 175 ~ 185mm.
The plane of said second 11 and the 4th 17 composition is a horizontal plane, and this plane is 125 ~ 130mm with the horizontal plane of crossing loom main shaft 2.
The gear of said beating-up mechanism and weft insertion device all is contained in same wefting insertion, the beating-up mechanism gear-box 3.
The structure of the right one cover wefting insertion, beating-up mechanism F is following:
In the weft insertion device of the right: wefting insertion eccentric gear 4 ' with the wefting insertion non-circular gear 6 of conjugation ' be meshed, first 7 of wefting insertion non-circular gear 6 ' be fixed on ' on, first 7 ' be supported on the right wefting insertion, beating-up mechanism gear-box 3 ' on; Wefting insertion crank 8 ' an end A ' be fixed on first 7 ' overhanging end on; Wefting insertion connecting rod 9 ' an end B ' and wefting insertion crank 8 ' other end B ' be hinged; Wefting insertion rocking bar 10 ' an end C ' and wefting insertion connecting rod 9 ' other end C ' be hinged; Wefting insertion rocking bar 10 ' other end D ' be fixed on second 11 ' overhanging end on, second 11 ' be supported on wefting insertion, beating-up mechanism gear-box 3 ' on; The first order initiatively second 11 of cylindrical sector gear 12 ' be fixed on ' on, with first order driven cylindrical gear 13 ' engagement, the 3rd 14 of first order driven cylindrical gear 13 ' be fixed on ' on, the 3rd 14 ' be supported on wefting insertion, beating-up mechanism gear-box 3 ' on; The second level initiatively the 3rd 14 of roller gear 15 ' be fixed on ' on, with second level driven cylindrical gear 16 ' engagement, the 4th 17 of second level driven cylindrical gear 16 ' be fixed on ' on, the 4th 17 ' be supported on wefting insertion, beating-up mechanism gear-box 3 ' on; Initiatively the 4th 17 of bevel gear 18 ' be fixed on ' on, with driven bevel gear 19 ' engagement, the 5th 20 of driven bevel gear 19 ' be fixed on ' on, the 5th 20 ' be supported on wefting insertion, beating-up mechanism gear-box 3 ' on; The 5th 20 on sword wheel 21 ' be fixed on ' overhanging end on, sword wheel 21 ' on be with sword belt, the end of sword belt has wefting insertion sword head;
In the beating-up mechanism of the right: the eccentric gear 5 that beats up ' with the non-circular gear 22 that beats up of conjugation ' be meshed, the 6th 23 of the non-circular gear 22 that beats up ' be fixed on ' on, the 6th 23 ' be supported on wefting insertion, beating-up mechanism gear-box 3 ' on; Beat up crank 24 ' an end A1 ' be fixed on the 6th 23 ' overhanging end on; Beat up connecting rod 25 ' an end B1 ' and the crank 24 that beats up ' other end B1 ' be hinged; Beat up rocking bar 26 ' an end C1 ' and the connecting rod 25 that beats up ' other end C1 ' be hinged; Beat up rocking bar 26 ' other end D1 ' be fixed on the 7th 27 ' overhanging end on, the 7th 27 ' be supported on wefting insertion, beating-up mechanism gear-box 3 ' on; The 7th 27 on reed 28 ' be fixed on ' overhanging end on.
The plane of said wefting insertion eccentric gear 4 ' form with wefting insertion non-circular gear 6 ' pivot center is a horizontal plane, wefting insertion eccentric gear 4 ' eccentricity be 0.05 ~ 0.15.
The plane of the said eccentric gear 5 that beats up ' form with the non-circular gear 22 ' pivot center that beats up is a water line; And be on the same horizontal plane with the plane of wefting insertion eccentric gear 4 ' form with wefting insertion non-circular gear 6 ' pivot center, the eccentric gear 5 that beats up ' eccentricity be 0.15 ~ 0.25.
During the beating up of said reed 28 ' be in front center position, the eccentric gear 5 that beats up ' center of rotation and the eccentric gear 5 that beats up ' the geometric center line be in horizontal position.
Said the 7th 27 ' loom main shaft 2 ' directly over, between the diaxon distance be 135 ~ 145mm.
During the beating up of said reed 28 ' be in front center position, wefting insertion crank 8 ' with wefting insertion connecting rod 9 ' conllinear, and be in stretching state, this moment wefting insertion crank 8 ' with the horizontal line angle be 50 ° ~ 55 °; Wefting insertion crank 8 ' length 42 ~ 48mm, wefting insertion connecting rod 9 ' length 98 ~ 103mm, wefting insertion rocking bar 10 ' length 175 ~ 185mm.
During the beating up of said reed 28 ' be in front center position, the crank 24 that beats up ' with beat up connecting rod 25 ' conllinear, and be in overlap condition, the crank 24 that beats up ' with the horizontal line angle be 65 ° ~ 70 °; Crank 24 ' length 38 ~ the 42mm that beats up, the connecting rod 25 that beats up ' length 98 ~ 103mm, rocking bar 26 ' length 175 ~ 185mm.
Said second 11 ' with the 4th 17 ' plane formed be horizontal plane, this plane with cross loom main shaft 2 ' the horizontal plane be 125 ~ 130mm.
The gear of said beating-up mechanism and weft insertion device all be contained in same wefting insertion, beating-up mechanism gear-box 3 ' in.
When said reed 28 is in beating up of front center position; The angle, the position of engagement of the wefting insertion non-circular gear 6 in the wefting insertion eccentric gear 4 in the weft insertion device of the left side and the left side weft insertion device than the wefting insertion eccentric gear 4 in the weft insertion device of the right ' with the right weft insertion device in wefting insertion non-circular gear 6 ' 10 ~ 15 ° in advance at angle, the position of engagement, realize " relay wefting insertion " through initial engagement position angle difference.
With the left side one cover wefting insertion, beating-up mechanism E is example, and its operation principle is following:
As shown in Figure 2, in the weft insertion device of the left side: the wefting insertion non-circular gear 6 of wefting insertion eccentric gear 4 and conjugation is meshed (as shown in Figure 3), and transmission of power is fixed on the wefting insertion crank 8 on the same axis to the wefting insertion non-circular gear 6 with conjugation; Through the effect of the crank and rocker mechanism formed by wefting insertion crank 8, wefting insertion connecting rod 9 and wefting insertion rocking bar 10, give initiatively cylindrical sector gear 12 with transmission of power; Initiatively cylindrical sector gear 12 and driven cylindrical gear 13 engagements are fixed on the active roller gear 15 on the same axis with transmission of power with driven cylindrical gear 13; Initiatively roller gear 15 and 16 engagements of second level driven cylindrical gear are fixed on the active bevel gear 18 on the same axis with transmission of power with driven cylindrical gear 16; Initiatively bevel gear 18 and driven bevel gear 19 engagements take turns on 21 for the sword that is fixed on the same axis with driven bevel gear 19 transmission of power, realize wefting insertion.
In the beating-up mechanism of the left side: the non-circular gear 22 that beats up of beat up eccentric gear 5 and conjugation is meshed (as shown in Figure 4), and transmission of power is fixed on the crank 24 that beats up on the same axis to the non-circular gear 22 that beats up with conjugation; Work through the crank and rocker mechanism formed by the crank 24 that beats up, beat up connecting rod 25 and the rocking bar 26 that beats up
Usefulness is fixed on the reed 28 on the same axis with transmission of power with the rocking bar 26 that beats up, and realizes beating up.
When reed 28 is in beating up of front center position; The angle, the position of engagement of the wefting insertion non-circular gear 6 in the wefting insertion eccentric gear 4 in the weft insertion device of the left side and the left side weft insertion device than the wefting insertion eccentric gear 4 in the weft insertion device of the right ' with the right weft insertion device in wefting insertion non-circular gear 6 ' 10 ~ 15 ° in advance at angle, the position of engagement; Realize " relay wefting insertion " through initial engagement position angle difference, reduce weft tension.Through rapier loom weft insertion, the beating-up mechanism kinematics model of setting up eccentric non-circular gear-crank rocker, can see that this mechanism can realize the acceleration movement rule of " isosceles trapezoid ".
The above-mentioned specific embodiment is used for the utility model of explaining; Rather than the utility model limited; In the protection domain of the spirit of the utility model and claim,, all fall into the protection domain of the utility model to any modification and the change that the utility model is made.
Claims (10)
1. the rapier loom weft insertion of an eccentric non-circular gear-crank rocker, beating-up mechanism; It is characterized in that: motor is passed to driven synchronous pulley (1) through being with synchronously with power; Driven synchronous pulley (1) is fixed on the loom main shaft (2), and loom main shaft (2) is supported on left and right sides wefting insertion, the beating-up mechanism gear-box (3,3 '); Loom main shaft (2) the right and left respectively has a cover wefting insertion, beating-up mechanism (E, F), and the structural parameters of two cover wefting insertion, beating-up mechanism (E, F) are consistent; In every cover wefting insertion, the beating-up mechanism, be fixed with wefting insertion eccentric gear (4,4 ') and the eccentric gear that beats up (5,5 ') on the loom main shaft (2) respectively; Wherein, the structure of the left side one cover wefting insertion, beating-up mechanism (E) is following:
In the weft insertion device of the left side: the wefting insertion non-circular gear (6) of wefting insertion eccentric gear (4) and conjugation is meshed, and wefting insertion non-circular gear (6) is fixed on first (7), and first (7) are supported on left side wefting insertion, the beating-up mechanism gear-box (3); One end (A) of wefting insertion crank (8) is fixed on the overhanging end of first (7); One end (B) of wefting insertion connecting rod (9) is hinged with the other end (B) of wefting insertion crank (8); One end (C) of wefting insertion rocking bar (10) is hinged with the other end (C) of wefting insertion connecting rod (9); The other end (D) of wefting insertion rocking bar (10) is fixed on the overhanging end of second (11), and second (11) are supported on wefting insertion, the beating-up mechanism gear-box (3); The first order initiatively cylindrical sector gear (12) is fixed on second (11), and with first order driven cylindrical gear (13) engagement, first order driven cylindrical gear (13) is fixed on the 3rd (14), and the 3rd (14) are supported on wefting insertion, the beating-up mechanism gear-box (3); The second level initiatively roller gear (15) is fixed on the 3rd (14), and with second level driven cylindrical gear (16) engagement, second level driven cylindrical gear (16) is fixed on the 4th (17), and the 4th (17) are supported on wefting insertion, the beating-up mechanism gear-box (3); Initiatively bevel gear (18) is fixed on the 4th (17), and with driven bevel gear (19) engagement, driven bevel gear (19) is fixed on the 5th (20), and the 5th (20) are supported on wefting insertion, the beating-up mechanism gear-box (3); Sword wheel (21) is fixed on the overhanging end of the 5th (20), is with sword belt on the sword wheel (21), and the end of sword belt has wefting insertion sword head;
In the beating-up mechanism of the left side: the non-circular gear that beats up (22) of eccentric gear that beats up (5) and conjugation is meshed, and the non-circular gear that beats up (22) is fixed on the 6th (23), and the 6th (23) are supported on wefting insertion, the beating-up mechanism gear-box (3); The end (A1) of crank (24) of beating up is fixed on the overhanging end of the 6th (23); The end (B1) of connecting rod (25) of beating up is hinged with the other end (B1) of crank (24) of beating up; The end (C1) of rocking bar (26) of beating up is hinged with the other end (C1) of connecting rod (25) of beating up; The other end (D1) of rocking bar (26) of beating up is fixed on the overhanging end of the 7th (27), and the 7th (27) are supported on wefting insertion, the beating-up mechanism gear-box (3); Reed (28) is fixed on the overhanging end of the 7th (27).
2. the rapier loom weft insertion of a kind of eccentric non-circular gear-crank rocker according to claim 1, beating-up mechanism; It is characterized in that: the plane that said wefting insertion eccentric gear (4) and wefting insertion non-circular gear (6) pivot center are formed is a horizontal plane, and the eccentricity of wefting insertion eccentric gear (4) is 0.05 ~ 0.15.
The rapier loom weft insertion of a kind of eccentric non-circular gear-crank rocker according to claim 1,
Beating-up mechanism; It is characterized in that: the plane that said eccentric gear that beats up (5) and the non-circular gear that beats up (22) pivot center are formed is a water line; And the plane of forming with wefting insertion eccentric gear (4) and wefting insertion non-circular gear (6) pivot center is on the same horizontal plane, and the eccentricity of the eccentric gear that beats up (5) is 0.15 ~ 0.25.
4. the rapier loom weft insertion of a kind of eccentric non-circular gear-crank rocker according to claim 1, beating-up mechanism; It is characterized in that: when reed (28) is in beating up of front center position; The angle, the position of engagement of the wefting insertion non-circular gear (6) in wefting insertion eccentric gear (4) in the weft insertion device of the left side and the left side weft insertion device shifts to an earlier date 10 ~ 15 ° than the angle, the position of engagement of the wefting insertion non-circular gear (6 ') in the wefting insertion eccentric gear (4 ') in the weft insertion device of the right and the right weft insertion device, realizes " relay wefting insertion " through initial engagement position angle difference.
5. the rapier loom weft insertion of a kind of eccentric non-circular gear-crank rocker according to claim 1, beating-up mechanism; It is characterized in that: when reed (28) was in beating up of front center position, the center of rotation of the eccentric gear that beats up (5) was in horizontal position with the geometric center line of the eccentric gear (5) that beats up.
6. the rapier loom weft insertion of a kind of eccentric non-circular gear-crank rocker according to claim 1, beating-up mechanism is characterized in that: the 7th (27) directly over loom main shaft (2), distance is 135 ~ 145mm between the diaxon.
7. the rapier loom weft insertion of a kind of eccentric non-circular gear-crank rocker according to claim 1, beating-up mechanism; It is characterized in that: when reed (28) is in beating up of front center position; Wefting insertion crank (8) and wefting insertion connecting rod (9) conllinear; And be in stretching state, wefting insertion crank this moment (8) is 50 ° ~ 55 ° with the horizontal line angle; Long 42 ~ the 48mm of wefting insertion crank (8), the long 98 ~ 103mm of wefting insertion connecting rod (9), the long 175 ~ 185mm of wefting insertion rocking bar (10).
8. the rapier loom weft insertion of a kind of eccentric non-circular gear-crank rocker according to claim 1, beating-up mechanism; It is characterized in that: when reed (28) is in beating up of front center position; Crank (24) and the connecting rod that beats up (25) conllinear beat up; And be in overlap condition, the crank that beats up (24) is 65 ° ~ 70 ° with the horizontal line angle; Long 38 ~ the 42mm of the crank (24) that beats up, the long 98 ~ 103mm of the connecting rod that beats up (25), the long 175 ~ 185mm of rocking bar (26).
9. the rapier loom weft insertion of a kind of eccentric non-circular gear-crank rocker according to claim 1, beating-up mechanism; It is characterized in that: the plane that second (11) and the 4th (17) are formed is a horizontal plane, and this plane is 125 ~ 130mm with the horizontal plane of crossing loom main shaft (2).
10. the rapier loom weft insertion of a kind of eccentric conjugate tooth-crank rocker according to claim 1, beating-up mechanism, it is characterized in that: the gear of said beating-up mechanism and weft insertion device all is contained in same wefting insertion, the beating-up mechanism gear-box (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011203742842U CN202298003U (en) | 2011-09-30 | 2011-09-30 | An eccentric non-circular gear-crank rocker rapier loom weft inserting and knitting mechanism |
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| CN2011203742842U CN202298003U (en) | 2011-09-30 | 2011-09-30 | An eccentric non-circular gear-crank rocker rapier loom weft inserting and knitting mechanism |
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| CN202298003U true CN202298003U (en) | 2012-07-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505281A (en) * | 2011-09-30 | 2012-06-20 | 浙江理工大学 | Rapier loom weft insertion and beat-up mechanism of eccentric noncircular gear-crank rocker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505281A (en) * | 2011-09-30 | 2012-06-20 | 浙江理工大学 | Rapier loom weft insertion and beat-up mechanism of eccentric noncircular gear-crank rocker |
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