CN112981689A - Non-central-shaft driving mechanism of double-sided circular knitting machine and double-sided circular knitting machine - Google Patents
Non-central-shaft driving mechanism of double-sided circular knitting machine and double-sided circular knitting machine Download PDFInfo
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- CN112981689A CN112981689A CN202110145244.9A CN202110145244A CN112981689A CN 112981689 A CN112981689 A CN 112981689A CN 202110145244 A CN202110145244 A CN 202110145244A CN 112981689 A CN112981689 A CN 112981689A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/94—Driving-gear not otherwise provided for
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B9/00—Circular knitting machines with independently-movable needles
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Abstract
本发明涉及一种双面针织圆纬机的无中心轴驱动机构及双面针织圆纬机。机架、大盘、大盘齿轮、大鼎外圈、大鼎齿轮、珠仔盘以及驱动组件和大鼎内圈；大鼎外圈设有环形大鼎安装槽；大鼎外圈设有第一通孔；大鼎内圈设有内圈套件；大鼎齿轮的底部外周设有环形定位凸缘；大鼎内圈的外周壁包括圆柱配合定位面以及台阶支撑面，大鼎内圈通过圆柱配合定位面与大鼎齿轮的环形定位凸缘的内周壁同轴转动配合，大鼎齿轮安装在大鼎安装槽中且底部活动支撑于大鼎内圈的台阶支撑面上，本发明采用无中心轴设计，大鼎齿轮通过大鼎内圈进行转动定位，且珠仔盘直接锁合固定在大鼎齿轮的下端，能有效解决上下盘织针不同步的问题，从而能提高编织成品的质量。
The invention relates to a non-central shaft driving mechanism of a double-sided knitting circular weft machine and a double-sided knitting circular weft machine. Rack, big plate, big plate gear, big tripod outer ring, big tripod gear, bead plate and drive components and big tripod inner ring; big tripod outer ring is provided with annular large tripod installation groove; big tripod outer ring is provided with first pass The inner ring of Dading is provided with an inner ring kit; the outer periphery of the bottom of Dading gear is provided with an annular positioning flange; The surface is coaxially rotatably matched with the inner peripheral wall of the annular positioning flange of the Ding gear. The Ding gear is installed in the Ding installation groove and the bottom is movably supported on the stepped support surface of the inner ring of the Ding. The present invention adopts the design without a central axis. , Ding gear is rotated and positioned through Ding inner ring, and the bead disc is directly locked and fixed on the lower end of Ding gear, which can effectively solve the problem of asynchronous knitting needles on the upper and lower plates, thereby improving the quality of knitted products.
Description
Technical Field
The invention relates to the field of knitting machines, in particular to a central shaft-free driving mechanism of a double-sided knitting circular weft knitting machine and the double-sided knitting circular weft knitting machine.
Background
As shown in fig. 1-4, a large disc 2 is horizontally placed on a frame 1 of an existing knitting machine, a large disc gear 3 is installed in the large disc 2, lower disc knitting needles c distributed around the circumferential direction of a vertical central axis are arranged on the large disc gear 3, the lower disc knitting needles c are vertically placed and can perform a knitting action of moving up and down, a big tripod outer ring 4 is arranged above the large disc 2, big tripod gears 6 are installed in the big tripod outer ring 4, the big tripod gears 6 are synchronously and fixedly connected with a small bead disc 7 located between the large disc 2 and the big tripod outer ring 4 through a central shaft d, upper disc knitting needles e distributed around the circumferential direction of the vertical central axis are installed on the small bead disc 7, the upper disc knitting needles e extend along the radial direction, and the upper disc knitting needles e can movably knit along the radial direction. Meanwhile, the big tripod gear 6 and the big disk gear 3 are synchronously driven by the driving component 8, wherein the big tripod gear 6 can drive the bead disk 7 on the big tripod gear to synchronously rotate along with the big disk gear 3 through the rotation of the central shaft d, and the upper disk knitting needles e on the bead disk 7 and the corresponding lower disk knitting needles c on the big disk gear 3 cannot be synchronously knitted due to deformation of the big tripod gear 6 in the transmission process of transmitting the rotation of the big tripod gear to the bead disk 7 through the central shaft d, so that the hysteresis phenomenon can occur, and the quality of a knitted finished product is reduced.
Disclosure of Invention
The invention aims to: the mechanism and the double-sided circular knitting machine adopt the design without the central shaft, the big tripod gear is rotationally positioned through the big tripod inner ring, and the bead disk is directly locked and fixed at the lower end of the big tripod gear, so that the problem that the upper and lower disks are asynchronous with knitting needles can be effectively solved, and the quality of a knitted finished product can be improved.
The invention is realized by the following technical scheme:
the first scheme is as follows:
a driving mechanism without a central shaft of a double-sided knitting circular weft knitting machine comprises a frame, a large disc fixedly arranged at the lower part of the frame, a large disc gear which is connected with the large disc in a rotating matching way and is vertically arranged with a rotating central axis and used for installing and driving a lower disc knitting needle to rotate, a big tripod outer ring fixedly arranged at the upper part of the frame, a big tripod gear which is connected with the big tripod outer ring in a rotating way and has a rotating central axis coinciding with the rotating central axis of the large disc gear, a bead disk which is coaxially and fixedly arranged at the bottom of the big tripod gear and used for installing and driving the upper disc knitting needle to rotate, and a driving component used for driving the big tripod gear and the large disc gear to; the method is characterized in that: the driving mechanism without the central shaft also comprises a big tripod inner ring;
the upper end part of the big tripod outer ring is provided with an annular big tripod mounting groove which is downwards sunken, is arranged around the central axis of the big disc gear and is provided with an opening at the top for mounting the big tripod inner ring and the big tripod gear; the middle part of the big tripod outer ring is provided with a first through hole which is positioned in the middle part of the big tripod mounting groove and penetrates through the upper end surface and the lower end surface of the big tripod outer ring upwards and downwards; the inner ring sleeve piece is movably arranged in the inner groove wall of the big tripod mounting groove, extends upwards and inwards to cross the inner groove wall of the big tripod mounting groove, extends downwards and is hollow, and the inner ring sleeve piece movably penetrates through the first through hole of the outer ring of the big tripod and then continues to extend downwards and the extending bottom is used for mounting the upper plate knitting needle guide device;
the periphery of the bottom of the big tripod gear is provided with an annular positioning flange which protrudes downwards and is arranged around the rotation central axis of the big tripod gear; the outer peripheral wall of the big tripod inner ring comprises a cylindrical matching positioning surface coaxial with the big tripod inner ring and a step supporting surface which is connected to the bottom of the cylindrical matching positioning surface and protrudes outwards, the big tripod inner ring is coaxially and rotationally matched with the inner peripheral wall of the annular positioning flange of the big tripod gear through the cylindrical matching positioning surface, and the big tripod gear is arranged in the big tripod mounting groove and the bottom of the big tripod inner ring is movably supported on the step supporting surface of the big tripod inner ring;
the middle part of the big tripod gear also extends inwards and downwards to form a gear sleeve piece, and the gear sleeve piece movably penetrates through the hollow hole of the inner ring sleeve piece of the big tripod inner ring and extends downwards to form the hollow hole of the inner ring sleeve piece; the bead disk is coaxially and fixedly locked at the lower part of a gear sleeve of the big tripod and is positioned between the big disk and the outer ring of the big tripod;
the drive assembly comprises a main drive shaft, a main drive lower gear, a main drive upper gear, a driving motor and a transmission part, wherein the main drive shaft extends in the vertical direction, is rotatably connected to the frame and is positioned at the radial side of the big disk gear and the big tripod gear, the main drive lower gear is coaxially and fixedly installed on the main drive shaft and can be in matched transmission with the outer gear ring of the big disk gear, the driving motor is installed on the main drive shaft and can be in matched transmission with the outer gear ring of the big tripod gear, and the driving motor is used for driving the rotation of the main drive shaft.
Preferably, the middle part of the large plate is also provided with a large plate mounting groove which is arranged around the central axis of the large plate gear, is sunken downwards and is provided with an opening at the top for mounting the large plate gear, and the large plate gear is rotatably connected in the large plate mounting groove.
In order to adjust the intersection position of the upper disc knitting needle and the lower disc knitting needle conveniently, the driving mechanism without the central shaft further comprises a lifting mechanism for driving the tripod gear and the tripod inner ring to vertically lift;
the lifting mechanism comprises more than two groups of lifting units which are annularly arranged at the bottom of the inner ring of the tripod, and each lifting unit comprises a lifting base, a lifting central screw, a lifting nut, a lifting gear, a lifting ferrule, a first top ring and a second top ring;
the lifting base is fixedly arranged on a vessel mounting groove of a vessel outer ring, the lower end of the lifting central screw is fixedly connected to the lifting base, the upper end of the lifting central screw extends upwards along the vertical direction, the lifting nut is in threaded connection with the periphery of the lifting central screw, the lifting gear is coaxially and fixedly sleeved on the periphery of the lifting nut, the lifting ferrule is movably sleeved on the periphery of the upper parts of the lifting nut and the lifting central screw and is fixedly locked on the lifting gear, inner ring through holes penetrating through the upper plane and the lower plane of the vessel inner ring are arranged at the positions of the vessel inner ring corresponding to each group of lifting units, the lifting ferrules of each group of lifting units are movably penetrated in the corresponding inner ring through holes, the first top ring is fixedly sleeved on the periphery of the lifting ferrule and is positioned below the corresponding inner ring through hole, the second top ring is fixedly locked on the upper end of the lifting ferrule and is positioned above the inner ring through hole, the outer diameters of the first top ring and the second top ring are larger than the outer diameter of the inner ring through hole, so that the lifting unit cannot axially move relative to the inner ring through hole of the tripod inner ring;
the lifting mechanism also comprises a lifting driving component which is in transmission connection with the lifting gears of the lifting units and is used for driving the lifting gears of the lifting units to rotate spirally relative to the lifting central screw.
Preferably, the inner side wall of the vessel mounting groove is an annular protrusion which is coaxially arranged around the first through hole and extends upwards along the vertical direction, and the lifting driving component comprises a lifting gear ring which is arranged in the vessel mounting groove and is rotatably sleeved on the periphery of the annular protrusion and a driving gear which is arranged on the radially outer side of the lifting gear ring and is used for driving the lifting gear ring to rotate;
each lifting unit is located the radial outside side of lift ring gear, just the external tooth of lift ring gear and each lifting unit's lifting gear homogeneous phase cooperation transmission, drive gear sets firmly in its center through the coaxial and drive shaft rotation connection of putting of erectting is in the big tripod mounting groove, and drive gear and lift ring gear cooperation transmission, the lower extreme downwardly extending of drive shaft is exposed and is put in the bottom below of big tripod outer lane.
In order to facilitate manual adjustment, the periphery of the lower end of the driving shaft is provided with a polygonal joint, and the periphery of the polygonal joint is connected with a handle used for driving the driving shaft to rotate in a matched mode.
Preferably, the driving mechanism without the central shaft further comprises a big tripod cover arranged above the big tripod outer ring in a covering manner.
In order to assist the rotation of the big tripod gear, the driving mechanism without the central shaft further comprises more than one auxiliary gear set which is annularly arranged beside the periphery of the big tripod gear and used for assisting the rotation of the big tripod gear;
each auxiliary gear set comprises an auxiliary shaft which is rotatably connected to the big tripod outer ring along the vertical direction and one end of the axial direction of each auxiliary gear set extends into the big tripod mounting groove, and an auxiliary gear which is coaxially and fixedly arranged on the periphery of the auxiliary shaft and is in transmission with the big tripod gear in a matching manner.
Scheme II:
a double-sided knitting circular weft knitting machine is characterized in that: the double-sided circular knitting machine is provided with the driving mechanism without the central shaft in the first scheme, and is also provided with a lower disc knitting needle which is arranged and connected on a large disc gear, an upper disc knitting needle which is arranged on a bead disk and used for being matched with the lower disc knitting needle for knitting, and an upper disc knitting needle guiding device which is arranged at the bottom of an inner ring sleeve and used for guiding the movement of the upper disc knitting needle.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a central shaft-free driving mechanism of a double-sided circular knitting machine and the double-sided circular knitting machine, wherein the driving mechanism and the double-sided circular knitting machine adopt a central shaft-free design, a big tripod gear is rotationally positioned through a big tripod inner ring, and a bead disk is directly locked and fixed at the lower end of the big tripod gear, so that the problem that knitting needles of an upper disk and a lower disk are not synchronous can be effectively solved, and the quality of a knitted finished product can be improved.
2. The invention relates to a central shaft-free driving mechanism of a double-sided circular knitting machine and the double-sided circular knitting machine.
3. The driving mechanism without the central shaft of the double-sided circular knitting machine and the double-sided circular knitting machine also have the advantages of simplifying the mechanical structure, saving the manufacturing cost and being convenient to popularize and apply.
Drawings
Fig. 1 is a three-dimensional structure schematic diagram of a prior knitting machine;
fig. 2 is a schematic view of the internal structure of a prior knitting machine;
FIG. 3 is a schematic view of the transmission of a prior art knitting machine;
fig. 4 is a schematic view of a prior knitting machine in use;
FIG. 5 is a schematic three-dimensional structure of the first embodiment;
FIG. 6 is a top view of the first embodiment;
FIG. 7 is a cross-sectional view taken along line A-A in FIG. 6
FIG. 8 is a cross-sectional view taken along line B-B of FIG. 6;
FIG. 9 is a schematic view illustrating a usage status of the first embodiment;
FIG. 10 is a schematic view of the transmission relationship of the first embodiment;
FIG. 11 is a vertical cross-sectional view of FIG. 10;
fig. 12 is a schematic structural view of an inner ring of a tripod in the first embodiment;
FIG. 13 is a schematic structural view of a big tripod gear according to an embodiment;
FIG. 14 is a vertical sectional view of a big tripod gear according to an embodiment;
FIG. 15 is a schematic structural view of an outer ring of the vessel and a lifting mechanism according to the first embodiment;
FIG. 16 is a schematic structural diagram of a lifting mechanism according to an embodiment;
fig. 17 is a schematic structural diagram of a lifting unit according to a first embodiment.
Description of reference numerals: 1-frame, 2-big disc, 21-big disc mounting groove, 3-big disc gear, 4-big tripod outer ring, 41-big tripod mounting groove, 42-first through hole, 43-annular bulge, 5-big tripod inner ring, 51-inner ring external member, 52-cylindrical matching positioning surface, 53-inner ring through hole, 54-step supporting surface, 6-big tripod gear, 61-second positioning flange, 62-gear external member, 7-bead disk, 8-driving component, 81-main rotating shaft, 82-main transmission lower gear, 83-main transmission upper gear, 84-driving motor and driving component thereof, 9-lifting mechanism, 91-lifting unit, 911-lifting base, 912-lifting central screw, 913-lifting nut, 914-lifting gear, 915-lifting ferrule, 916-first top ring, 917-second top ring, 92-lifting driving component, 921-lifting gear ring, 922-driving gear, 923-driving shaft, 924-polygonal joint, a-auxiliary gear set, a 1-auxiliary shaft, a 2-auxiliary gear, b-big tripod cover, c-lower disk knitting needle, d-central shaft, e-upper disk knitting needle and f-upper disk knitting needle guiding device.
Detailed Description
The invention is described in detail below with reference to the following description of the drawings:
the first embodiment is as follows:
as shown in fig. 5-17, a central shaft-free driving mechanism of a double-sided knitting circular knitting machine comprises a frame 1, a big disc 2 fixedly installed at the lower part of the frame 1, a big disc gear 3 which is connected with the big disc 2 in a rotating fit way and has a vertical rotating central axis and is used for installing and driving a lower disc knitting needle c to rotate, a big tripod outer ring 4 fixedly installed at the upper part of the frame 1, a big tripod gear 6 which is connected with the big tripod outer ring 4 in a rotating way and has a rotating central axis coincident with the rotating central axis of the big disc gear 3, a bead disk 7 coaxially and fixedly installed at the bottom of the big tripod gear 6 and used for installing and driving an upper disc knitting needle e to rotate, and a driving component 8 used for driving the big tripod gear 6 and the big disc gear 3 to rotate; the method is characterized in that: the driving mechanism without the central shaft also comprises a big tripod inner ring 5;
the upper end part of the big tripod outer ring 4 is provided with an annular big tripod mounting groove 41 which is downwards sunken, is arranged around the central axis of the big disc gear 3 and is provided with an opening at the top part and is used for mounting the big tripod inner ring 5 and the big tripod gear 6; the middle part of the big tripod outer ring 4 is provided with a first through hole 42 which is positioned in the middle part of the big tripod mounting groove 41 and upwards and downwards penetrates through the upper end surface and the lower end surface of the big tripod outer ring 4; the big tripod inner ring 5 is coaxially arranged in a big tripod mounting groove 41, a hollow inner ring sleeve 51 which extends upwards and inwards to cross the inner side groove wall of the big tripod mounting groove 41 and then extends downwards is arranged in the middle of the big tripod inner ring 5, the inner ring sleeve 51 movably passes through a first through hole 42 of a big tripod outer ring 4 and then continues to extend downwards, and the extending bottom is used for mounting a hanging plate knitting needle guiding device f which is used for controlling the telescopic activity of hanging plate knitting needles e in the radial direction;
the periphery of the bottom of the big tripod gear 6 is provided with an annular positioning flange 61 which protrudes downwards and is arranged around the central axis of rotation of the big tripod gear 6; the outer peripheral wall of the big tripod inner ring 5 comprises a cylindrical matching positioning surface 52 coaxial with the big tripod inner ring 5 and a step supporting surface 54 which is connected to the bottom of the cylindrical matching positioning surface 52 and protrudes outwards, the big tripod inner ring 5 is coaxially and rotationally matched with the inner peripheral wall of an annular positioning flange 61 of the big tripod gear 6 through the cylindrical matching positioning surface 52, the big tripod gear 6 is installed in the big tripod installation groove 41, and the bottom of the big tripod inner ring is movably supported on the step supporting surface 54 of the big tripod inner ring 5;
the middle part of the tripod gear 6 also extends inwards and downwards to form a gear sleeve piece 62, and the gear sleeve piece 62 movably passes through the hollow hole of the inner ring sleeve piece 51 of the tripod inner ring 5 and extends downwards to form the hollow hole of the inner ring sleeve piece 51; the bead disk 7 is coaxially and fixedly locked at the lower part of a gear kit 62 of the big tripod gear 6 and is positioned between the big disk 2 and the big tripod outer ring 4;
the driving assembly 8 comprises a main transmission shaft 81 which extends along the vertical direction and is rotatably connected to the frame 1 and is positioned on the radial side of the big disk gear 3 and the big tripod gear 6, a main transmission lower gear 82 which is coaxially and fixedly installed on the main transmission shaft 81 and can be in fit transmission with the outer gear ring of the big disk gear 3, a main transmission upper gear 83 which is installed on the main transmission shaft 81 and can be in fit transmission with the outer gear ring of the big tripod gear 6, and a driving motor and a driving part 84 which are used for driving the rotation of the main transmission shaft 81.
Preferably, the middle part of the large disk 2 is also provided with a large disk mounting groove 21 which is arranged around the central axis of the large disk gear 3, is sunken downwards and is opened at the top part, and the large disk gear 3 is rotatably connected in the large disk mounting groove 21.
In order to adjust the intersection position of the upper disc knitting needle and the lower disc knitting needle conveniently, the driving mechanism without the central shaft further comprises a lifting mechanism 9 for driving the tripod gear 6 and the tripod inner ring 5 to vertically lift;
the lifting mechanism 9 comprises more than two groups of lifting units 91 which are annularly arranged at the bottom of the tripod inner ring 5 at intervals, and each lifting unit 91 comprises a lifting base 911, a lifting central screw 912, a lifting nut 913, a lifting gear 914, a lifting ferrule 915, a first top ring 916 and a second top ring 917;
the lifting base 911 is fixedly installed on the vessel installation groove 41 of the vessel outer ring 4, the lower end of the lifting central screw 912 is fixedly connected to the lifting base 911, and the upper end of the lifting central screw 912 extends upward along the vertical direction, the lifting nut 913 is in threaded connection with the outer periphery of the lifting central screw 912, the lifting gear 914 is coaxially and fixedly sleeved on the outer periphery of the lifting nut 913, the lifting ferrule 915 is movably sleeved on the outer peripheries of the upper parts of the lifting nut 913 and the lifting central screw 912 and is fixedly locked on the lifting gear 914, the vessel inner ring 5 is provided with inner ring through holes 53 penetrating through the upper plane and the lower plane of the vessel inner ring 5 at the positions corresponding to each group of lifting units 91, the lifting ferrules 915 of each group of lifting units 91 are movably penetrated in the corresponding inner ring through holes 53, the first top ring 915 is fixedly sleeved on the outer periphery of the lifting ferrule and is positioned below the corresponding inner ring through holes 53, the second top ring 917 is fixedly locked at the upper end of the lifting ferrule 915 and is arranged above the inner ring through hole 53, and the outer diameters of the first top ring 916 and the second top ring 917 are both larger than the outer diameter of the inner ring through hole 53, so that the lifting unit 91 cannot axially move relative to the inner ring through hole 53 of the tripod inner ring 5;
the lifting mechanism 9 further comprises a lifting driving assembly 92 which is in transmission connection with the lifting gear 914 of each group of lifting units 91 and is used for driving the lifting gear 914 of each lifting unit 91 to rotate spirally relative to the lifting central screw 912.
Preferably, the inner side wall of the big tripod mounting groove 41 is an annular protrusion 43 coaxially surrounding the first through hole 42 and extending upward along the vertical direction, and the lifting driving component 92 comprises a lifting gear ring 921 mounted in the big tripod mounting groove 41 and rotatably sleeved on the periphery of the annular protrusion 43, and a driving gear 922 arranged on the radial outer side of the lifting gear ring 921 and used for driving the lifting gear ring 921 to rotate;
each lift unit 91 is located the radial outer side of lift ring gear 921, just the external tooth of lift ring gear 921 and the lifting gear 914 homogeneous phase cooperation transmission of each lift unit 91, drive gear 922 sets firmly in its center and the drive shaft 923 rotation connection of erectting putting through the coaxial in big ancient cooking vessel mounting groove 41, and drive gear 922 and lift ring gear 921 cooperate the transmission, the lower extreme downwardly extending of drive shaft 923 exposes the bottom below of putting at big ancient cooking vessel outer lane 4.
For the convenience of manual adjustment, drive shaft 923 lower extreme periphery is equipped with polygon joint 924, the periphery cooperation of polygon joint 924 is connected with and is used for driving drive shaft 923 pivoted handle.
Preferably, the driving mechanism without the central shaft further comprises a big tripod cover b which is covered above the big tripod outer ring 4.
In order to assist the rotation of the big tripod gear, the driving mechanism without the central shaft further comprises more than one auxiliary gear set a which is arranged beside the periphery of the big tripod gear 6 at intervals and used for assisting the rotation of the big tripod gear 6;
each auxiliary gear set a comprises an auxiliary shaft a1 which is rotatably connected to the tripod outer ring 4 in the vertical direction and one axial end of which extends into the tripod mounting groove 41, and an auxiliary gear a2 which is coaxially and fixedly mounted on the periphery of the auxiliary shaft a1 and is in matched transmission with the tripod gear 6.
Example two:
a double-sided knitting circular weft knitting machine is characterized in that: the double-sided circular knitting machine is provided with a non-central-shaft driving mechanism in the first embodiment, and is further provided with a lower disc knitting needle c which is arranged and connected on the large disc gear 3, an upper disc knitting needle e which is arranged on the bead disc 7 and is used for being matched with the lower disc knitting needle c for knitting, and an upper disc knitting needle guiding device f which is arranged at the bottom of the inner ring sleeve 51 and is used for guiding the movement of the upper disc knitting needle e.
While the invention has been illustrated and described with respect to specific embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the invention. It is understood, therefore, that the invention is not to be in any way limited except by the appended claims and their equivalents.
Claims (8)
1. A central shaft-free driving mechanism of a double-sided knitting circular weft knitting machine comprises a frame (1), a large disc (2) fixedly installed at the lower part of the frame (1), a large disc gear (3) which is connected with the large disc (2) in a rotating fit manner and is vertically arranged with a rotating central axis and used for installing and driving a lower disc knitting needle (c) to rotate, a big tripod outer ring (4) fixedly installed at the upper part of the frame (1), a big tripod gear (6) which is connected with the big tripod outer ring (4) in a rotating manner and is coincident with the rotating central axis of the large disc gear (3) with the rotating central axis, a bead disk (7) which is coaxially and fixedly installed at the bottom of the big tripod gear (6) and used for installing and driving an upper disc knitting needle (e) to rotate, and a driving assembly (8) used for driving the big tripod gear (6) and the large disc gear; the method is characterized in that: the driving mechanism without the central shaft also comprises a big tripod inner ring (5);
the upper end part of the big tripod outer ring (4) is provided with an annular big tripod mounting groove (41) which is downwards sunken, arranged around the central axis of the big disc gear (3) and provided with an opening at the top and used for mounting the big tripod inner ring (5) and the big tripod gear (6); the middle part of the big tripod outer ring (4) is provided with a first through hole (42) which is positioned in the middle part of the big tripod mounting groove (41) and upwards and downwards penetrates through the upper end surface and the lower end surface of the big tripod outer ring (4); the big tripod inner ring (5) is coaxially arranged in a big tripod mounting groove (41), the middle part of the big tripod inner ring (5) is provided with a hollow inner ring suite (51) which extends upwards and inwards to cross the inner side groove wall of the big tripod mounting groove (41) and then extends downwards, and the inner ring suite (51) movably passes through a first through hole (42) of a big tripod outer ring (4) and then continues to extend downwards and the extended bottom is used for mounting an upper disk knitting needle guiding device (f);
the periphery of the bottom of the big tripod gear (6) is provided with an annular positioning flange (61) which protrudes downwards and is arranged around the central axis of rotation of the big tripod gear (6); the outer peripheral wall of the big tripod inner ring (5) comprises a cylindrical matching positioning surface (52) coaxial with the big tripod inner ring (5) and a step supporting surface (54) connected to the bottom of the cylindrical matching positioning surface (52) and protruding outwards, the big tripod inner ring (5) is coaxially and rotatably matched with the inner peripheral wall of an annular positioning flange (61) of the big tripod gear (6) through the cylindrical matching positioning surface (52), the big tripod gear (6) is installed in a big tripod installation groove (41), and the bottom of the big tripod inner ring (5) is movably supported on the step supporting surface (54);
the middle part of the tripod gear (6) also extends inwards and downwards to form a gear sleeve piece (62), and the gear sleeve piece (62) movably penetrates through a hollow hole of an inner ring sleeve piece (51) of the tripod inner ring (5) and extends downwards to form the hollow hole of the inner ring sleeve piece (51); the bead disk (7) is coaxially and fixedly locked at the lower part of a gear kit (62) of the big tripod gear (6) and is positioned between the big disk (2) and the big tripod outer ring (4);
drive assembly (8) include along vertical direction extend and rotate connect in frame (1) and be located main drive shaft (81) of the radial side of big dish gear (3) and big tripod gear (6), coaxial fixed mounting just can with the outer ring gear cooperation driven main drive lower gear (82) of big dish gear (3) on main drive shaft (81), install on main drive shaft (81) and can with the outer ring gear cooperation driven main drive upper gear (83) of big tripod gear (6) and be used for driving main drive shaft (81) pivoted driving motor and drive part (84).
2. A central shaft-less driving mechanism of a double knitting circular knitting machine according to claim 1, characterized in that: the middle part of the large plate (2) is also provided with a large plate mounting groove (21) which is arranged around the central axis of the large plate gear (3), is sunken downwards and is provided with an opening at the top for mounting the large plate gear (3), and the large plate gear (3) is rotatably connected in the large plate mounting groove (21).
3. A central shaft-less driving mechanism of a double knitting circular knitting machine according to claim 2, characterized in that: the driving mechanism without the central shaft also comprises a lifting mechanism (9) for driving the big tripod gear (6) and the big tripod inner ring (5) to vertically lift;
the lifting mechanism (9) comprises more than two groups of lifting units (91) which are annularly arranged at the bottom of the tripod inner ring (5) at intervals, and each lifting unit (91) comprises a lifting base (911), a lifting central screw rod (912), a lifting nut (913), a lifting gear (914), a lifting ferrule (915), a first top ring (916) and a second top ring (917);
the lifting base (911) is fixedly arranged on a vessel mounting groove (41) of the vessel outer ring (4), the lower end of the lifting central screw (912) is fixedly connected to the lifting base (911) and the upper end of the lifting central screw extends upwards along the vertical direction, the lifting nut (913) is in threaded connection with the periphery of the lifting central screw (912), the lifting gear (914) is coaxially and fixedly sleeved on the periphery of the lifting nut (913), the lifting ferrule (915) is movably sleeved on the peripheries of the upper parts of the lifting nut (913) and the lifting central screw (912) and is fixedly locked on the lifting gear (914), the vessel inner ring (5) is provided with inner ring through holes (53) penetrating through the upper plane and the lower plane of the vessel inner ring (5) at positions corresponding to each group of lifting units (91), and the lifting ferrules (915) of each group of lifting units (91) are movably penetrated in the corresponding inner ring through holes (53), the first top ring (916) is fixedly sleeved on the periphery of the lifting ferrule (915) and located below the inner ring through hole (53), the second top ring (917) is fixedly locked at the upper end of the lifting ferrule (915) and located above the inner ring through hole (53), and the outer diameters of the first top ring (916) and the second top ring (917) are larger than that of the inner ring through hole (53), so that the lifting unit (91) cannot axially move relative to the inner ring through hole (53) of the tripod inner ring (5);
the lifting mechanism (9) also comprises a lifting driving component (92) which is in transmission connection with the lifting gears (914) of the lifting units (91) and is used for driving the lifting gears (914) of the lifting units (91) to rotate spirally relative to the lifting central screw rod (912).
4. A central shaft-less driving mechanism of a double knitting circular knitting machine according to claim 3, characterized in that: the inner side groove wall of the big tripod mounting groove (41) is an annular bulge (43) which is coaxially arranged around the first through hole (42) and extends upwards along the vertical direction, and the lifting driving component (92) comprises a lifting gear ring (921) which is arranged in the big tripod mounting groove (41) and is rotatably sleeved on the periphery of the annular bulge (43) and a driving gear (922) which is arranged on the radial outer side of the lifting gear ring (921) and is used for driving the lifting gear ring (921) to rotate;
each lift unit (91) is located the radial outer side of lift ring gear (921), just the external tooth of lift ring gear (921) and the lifting gear (914) homogeneous phase cooperation transmission of each lift unit (91), drive gear (922) through the coaxial set firmly in its center and erect drive shaft (923) rotation connection of putting in big tripod mounting groove (41), and drive gear (922) and lift ring gear (921) cooperate the transmission, the lower extreme downwardly extending of drive shaft (923) exposes the bottom below of putting in big tripod outer lane (4).
5. A central shaft-less driving mechanism of a double knitting circular knitting machine according to claim 4, characterized in that: drive shaft (923) lower extreme periphery is equipped with polygon joint (924), the periphery cooperation that polygon joint (924) is connected with and is used for driving drive shaft (923) pivoted handle.
6. A central shaft-less driving mechanism of a double knitting circular knitting machine according to claim 1, characterized in that: the driving mechanism without the central shaft further comprises a big tripod cover (b) which is covered above the big tripod outer ring (4).
7. A central shaft-less driving mechanism of a double knitting circular knitting machine according to claim 1, characterized in that: the driving mechanism without the central shaft also comprises more than one auxiliary gear set (a) which is arranged beside the periphery of the big tripod gear (6) in a spacing ring and is used for assisting the big tripod gear (6) to rotate;
each auxiliary gear set (a) comprises an auxiliary shaft (a1) which is rotatably connected to the tripod outer ring (4) in the vertical direction and one end of the axial direction of each auxiliary gear set extends into the tripod mounting groove (41), and an auxiliary gear (a2) which is coaxially and fixedly installed on the periphery of the auxiliary shaft (a1) and is in matched transmission with the tripod gear (6).
8. A double-sided knitting circular weft knitting machine is characterized in that: the double-sided circular knitting machine is provided with a non-central-shaft driving mechanism as claimed in any one of claims 1 to 6, and is further provided with a lower disc knitting needle (c) which is installed and connected on a large disc gear (3), an upper disc knitting needle (e) which is installed on a bead plate (7) and is used for being matched with the lower disc knitting needle (c) for knitting, and an upper disc knitting needle guiding device (f) which is installed at the bottom of an inner ring sleeve piece (51) and is used for guiding the movement of the upper disc knitting needle (e).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110145244.9A CN112981689A (en) | 2021-02-02 | 2021-02-02 | Non-central-shaft driving mechanism of double-sided circular knitting machine and double-sided circular knitting machine |
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|---|---|---|---|
| CN202110145244.9A CN112981689A (en) | 2021-02-02 | 2021-02-02 | Non-central-shaft driving mechanism of double-sided circular knitting machine and double-sided circular knitting machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463262A (en) * | 2021-07-15 | 2021-10-01 | 泉州精镁科技有限公司 | Transmission assembly for large disc and large tripod of circular weft knitting machine |
| CN114875563A (en) * | 2022-04-28 | 2022-08-09 | 绍兴乙龙科技有限公司 | Double-sided gear precision positioning device of weft knitting machine |
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| EP0058790A1 (en) * | 1981-02-24 | 1982-09-01 | Ping-Chin Yang | Circular knitting machine |
| KR20030090293A (en) * | 2002-05-22 | 2003-11-28 | 쌍용기계공업주식회사 | Electronic stripping running gear for circular knitting machine |
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| CN211689437U (en) * | 2020-02-13 | 2020-10-16 | 厦门兴全龙机械有限公司 | Improved structure of big tripod gear and circular knitting machine |
| CN214938219U (en) * | 2021-02-02 | 2021-11-30 | 泉州全能智控机械研究所有限公司 | Non-central-shaft driving mechanism of double-sided circular knitting machine and double-sided circular knitting machine |
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| EP0058790A1 (en) * | 1981-02-24 | 1982-09-01 | Ping-Chin Yang | Circular knitting machine |
| KR20030090293A (en) * | 2002-05-22 | 2003-11-28 | 쌍용기계공업주식회사 | Electronic stripping running gear for circular knitting machine |
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| CN214938219U (en) * | 2021-02-02 | 2021-11-30 | 泉州全能智控机械研究所有限公司 | Non-central-shaft driving mechanism of double-sided circular knitting machine and double-sided circular knitting machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463262A (en) * | 2021-07-15 | 2021-10-01 | 泉州精镁科技有限公司 | Transmission assembly for large disc and large tripod of circular weft knitting machine |
| CN113463262B (en) * | 2021-07-15 | 2022-08-23 | 泉州精镁科技有限公司 | Transmission assembly for large disc and large tripod of circular weft knitting machine |
| CN114875563A (en) * | 2022-04-28 | 2022-08-09 | 绍兴乙龙科技有限公司 | Double-sided gear precision positioning device of weft knitting machine |
| CN114875563B (en) * | 2022-04-28 | 2024-01-26 | 绍兴乙龙科技有限公司 | Gear precision positioning device on two sides of weft knitting machine |
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