CN209636427U - Trinity motor control mountain plate - Google Patents

Trinity motor control mountain plate Download PDF

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Publication number
CN209636427U
CN209636427U CN201920153430.5U CN201920153430U CN209636427U CN 209636427 U CN209636427 U CN 209636427U CN 201920153430 U CN201920153430 U CN 201920153430U CN 209636427 U CN209636427 U CN 209636427U
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triangle
station
cam
needle
rack gear
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连坚和
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LENSING INDUSTRIAL Co Ltd
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LENSING INDUSTRIAL Co Ltd
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Abstract

The utility model relates to braiding apparatus technical fields, it is related to Trinity motor control mountain plate, setting rotation long axis at the top of the station motor, needle overturning cam, braiding cam and gear are from top to bottom cased on rotation long axis, station motor drives needle overturning cam, braiding cam and gear rotation by rotation long axis, needle overturning triangle and needle overturning cam are mutually closely fitted, and knitting cam and braiding cam are mutually closely fitted;The intermeshing of double-station rack and pinion, station triangle group are mounted on double-station rack gear, and vertical movement up and down is done with double-station rack gear bar groove left and right displacement;The running of needle triangle is lifted in station motor bottom setting lift needle cam and drive, and lift needle triangle is moved by eccentric shaft along lift needle cam inner ring.Mountain plate is controlled using single motor, by multiple component unified drivings such as needle overturning triangle, knitting cam and station triangle, and was completed a station movement and is saved manufacturing cost in the premise for guaranteeing product quality, and also improved the service life of equipment.

Description

Trinity motor control mountain plate
Technical field
The utility model relates to braiding apparatus technical fields, more particularly, to Trinity motor control mountain plate.
Background technique
The design structure of computer flat-knitting machine head bottom plate can make knitting needle complete to weave, hang mesh, needle overturning, connect needle and do not knit five Basis movement.Halver etc. is chosen in the movement extended in this five basis movements.Choosing halver movement is to execute needle overturning in knitting needle Also braid movement is carried out while movement.And in the needle track design of existing head bottom plate, control mode is relatively easy, can only weave Simple flower pattern is unable to complete multiple braid movements.That there are structures is not compact for existing dual system straight-bar machines mountain plate, working efficiency is low, It is driven that unstable, noise is big, hangs the elastic nonadjustable disadvantage of mesh, does not conform in addition, auxiliary degree mesh drive mechanism is designed there are structure The low problem of reason, precision.
Old money needle overturning triangle and knitting cam rise or fall, and act on knitting cam, needle overturning three by electromagnet core Angle is resetted by compressed spring;Since the active force of electromagnet with the increase of access times and gradually can reduce in aging, work as nothing When method bears the reaction force of long stitch piece bell, knitting cam can fail in retraction bottom plate, so as to cause striker phenomenon.Compress bullet Spring also can cause needle overturning triangle that can not reset with the increase of number of use, be progressively smaller until failure, and it is existing that striker will occur As;If machine is shaken, compressed spring elastic construction can make needle overturning triangle unstability, so as to cause striker phenomenon.
The applicant has the deficiency for seeing above-mentioned known existing motor control mountain plate, adheres to research and innovation, excelsior Spirit proposes a practical solution using the method for professional science in conjunction with production practices, therefore proposes this case application.
Utility model content
The utility model in order to overcome at least one of the drawbacks of the prior art described above, proposes Trinity motor control mountain Plate is controlled for existing mountain plate using single motor, by the unified drive of multiple components such as needle overturning triangle, knitting cam and station triangle It is dynamic, and multiple station movements are completed, functional keeps overall structure more compact and simple in the premise for guaranteeing product quality It is clean, manufacturing cost is also saved in this way, improves the service life of equipment.
In order to solve the above technical problems, the utility model adopts the technical scheme that Trinity motor control mountain plate, Specifically include that needle overturning triangle, knitting cam, lift needle triangle, station triangle group, station motor and triangle of pushing pin, the station Setting rotation long axis at the top of motor, rotates and is from top to bottom cased with needle overturning cam, braiding cam and gear on long axis, and station motor is logical Crossing rotation long axis drives needle overturning cam, braiding cam and gear rotation, needle overturning triangle and needle overturning cam to be mutually closely fitted, and weaves Trigonometric sum braiding cam is mutually closely fitted;The intermeshing of double-station rack and pinion, station triangle group are mounted on double-station tooth On item, and vertical movement up and down is done with double-station rack gear bar groove left and right displacement;Station motor bottom setting lift needle cam and Lift needle triangle running is driven, lift needle triangle is moved by eccentric shaft along lift needle cam inner ring, and two swing rods one are withstood in cam outer ring End is now in zero-bit, and slide bar is not to triangle effect of pushing pin, and the two swing rod other ends are connected with triangle of pushing pin, and slide bar is laterally arranged On the outside of triangle of pushing pin, when cam leaves zero-bit, triangle of pushing pin is moved up and down by the sliding slot left and right displacement of slide bar, is pushed pin Triangular prism position is equipped with the compressed spring for reset.
It is mounted in fixing seat specifically, the needle overturning triangle and knitting cam passes through elevating lever, inside fixing seat Equipped with connecting rod, connecting rod interlude is fixed on inside fixing seat, and connecting rod two end agrees with the liter in needle overturning triangle and knitting cam respectively It drops in bar.
Specifically, the elevating lever of the needle overturning triangle and knitting cam is equipped with the slot position assigned for connecting rod, needle overturning is convex Wheel and braiding cam are closely fitted elevating lever one end, and by two elevating levers push needle overturning triangle and knitting cam rise or under Drop.
Specifically, the station triangle group is divided into left station triangle, middle station trigonometric sum right working position triangle, double-station tooth Side is equipped with straight-tooth, straight-tooth and gear intermeshing and only gear band start building a rack gear (do opposite left and right linear movement, it is double Station rack gear is divided into double flute station rack gear and single slot station rack gear, and left station trigonometric sum right working position triangle is distinguished by fixing bearing It is connected in the left and right bar groove of double flute station rack gear, middle station triangle is connected to the bar groove of single slot station rack gear by fixing bearing It is interior.
Specifically, the left and right bar groove of the double flute station rack gear has wave crest, trough and intermediate three kinds of positions, left bar groove From left to right be followed successively by thick mesh, it is left tightly hang, compiles hang, zero-bit, turn over connect needle, two layers hang and the right side is tight hangs seven stations, right bar groove is from a left side To the right side be followed successively by two layers of volume, it is left tightly hang, compile hang, zero-bit, turn over connect needle, pine hangs and seven stations are tightly hung in the right side, single slot station rack gear Bar groove has wave crest, two kinds of positions of trough and only garter station.
Specifically, the cam outer ring is pressed in two swing rod one end, the two swing rod other ends agree in the recessed of needle selection fixing seat It in slot, is fixed in fixing seat among two swing rods, triangle of pushing pin is mounted in needle selection fixing seat, and needle selection fixing seat passes through the axis of rolling It holds to be displaced along the groove bar on slide bar and triangle of pushing pin is driven to rise or fall and move.
Specifically, the slide bar is spliced to form for three by left, center, right, slide bar flatness can be promoted and prevent slide bar from becoming Shape is stuck, is mutually linked by two connection button bits between three slide bars, and groove bar is equipped on slide bar, is equipped with U-type groove among groove bar Position, two slot positions of left and right are to the inclined-plane of intermediate, inclined.
Specifically, the needle selection fixing seat is located at two slot position rears of left and right, baffle is respectively arranged in needle selection fixing seat And the symmetrical arrangement of baffle, baffle play position-limiting action to slider bar travel, slide bar is stuck between baffle and needle selection fixing seat, The U-lag position of slide bar bottom is arranged in lift needle triangle.
Compared with prior art, beneficial effect is:
1, due to needle overturning cam and needle overturning triangle snug fit, weave cam and knitting cam snug fit needle overturning triangle, Knitting cam rises or falls no diastema, and transmission is more accurate, to improve the precision of equipment.In contrast, existing benefit With connecting rod effect and needle overturning triangle and knitting cam, it is ensured that needle overturning triangle and knitting cam can smoothly reset, and avoid hitting Needle phenomenon, long service life will not be shaken because of machine, and compressed spring elastic construction is caused needle overturning triangle to be made to lose Surely;
2, station triangle rises or falls movement by station rack gear flute profile runway, can bear the station triangle bearing limit Power effect, thus the risk for avoiding station triangle from failing.Station three-legged structure is L shape before, is acted on by electromagnet core On station triangle, the active force that station triangle is born is limited by electromagnet amount of force, and electromagnet active force can be with Access times increase aging it is smaller and smaller, cause the active force of the unbearable long stitch piece bell of station triangle and fail, from And occur disorderly going out needle phenomenon.Station three-legged structure is L shape before, is used as by electromagnet core work and is moved forward and backward, station three The working face at angle can be acted in inclined-plane and long stitch piece bell, accelerate the abrasion of long stitch piece bell;
3, lift needle triangle can rise or fall movement, when needle selection, lift needle triangle rising;When not selecting, lift under needle triangle It reduces as far as possible.Lift needle number can be reduced in this way, reduce the abrasion and head running resistance of needle selection.Lift needle triangle uses before Fixed form, it is necessary to first lift all needle selections, unused needle selection passes through needle selection electromagnet cutter head again and needle selection is pressed into needle tray In, it increases the abrasion of needle selection electromagnet cutter head and reduces the frequent service life of needle selection electromagnet;
4, needle selecting cam, which is lifted, is hidden in cam base plate, is not acted on by slide bar strip groove runway, triangular prism position dress of pushing pin There is compressed spring for resetting, as station motor rotates, swing rod is released, and triangle of pushing pin is acted on by slide bar strip groove runway, Crisscross motion one on the other is done, movement cannot be risen or fallen simultaneously.It is when needle selecting cam is lifted and is hidden in cam base plate The station for realizing braiding mountain plate is zeroed by odd-job position, is effectively prevented from the random needle phenomenon of appearance, influences the braiding fortune of following apparatus Make.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of the utility model needle overturning triangle and knitting cam;
Fig. 3 is the cross-sectional view in the utility model attached drawing 2;
Fig. 4 is the structural schematic diagram of the utility model station triangle group;
Fig. 5 is the structural schematic diagram of the utility model lift needle triangle part;
Fig. 6 is that the utility model is pushed pin the structural schematic diagram of triangle part;
Fig. 7 is the utility model station motor and cam, the structural schematic diagram for lifting needle cam;
Fig. 8 is that the utility model is pushed pin the Slide bar structure schematic diagram of triangle;
Fig. 9 is the utility model Slide bar structure schematic diagram;
Figure 10 is the station figure of the utility model station triangle;
Figure 11 is the station figure of the utility model double-station rack gear.
Mark explanation: needle overturning triangle 1, knitting cam 2, elevating lever 3, eccentric shaft 4, station triangle group 5, station motor 6 are lifted Needle triangle 7, double-station rack gear 8, triangle 9 of pushing pin, lift needle cam 10, needle overturning cam 11, cam 101, cam 21, connecting rod 31, a left side Station triangle 51, middle station triangle 52, right working position triangle 53, gear 54, fixing seat 55, swing rod 91, bar 93, double flute station rack gear 81, single slot station rack gear 82, needle selection fixing seat 71, baffle 711, connection button bit 931, groove bar 932
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent;In order to better illustrate this embodiment, attached Scheme certain components to have omission, zoom in or out, does not represent the size of actual product;To those skilled in the art, The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing Illustrate, should not be understood as the limitation to this patent.
As shown in Figure 1 to 9, Trinity motor control mountain plate specifically includes that needle overturning triangle, knitting cam, lift needle three Angle, station triangle group, station motor and triangle of pushing pin, setting rotation long axis at the top of the station motor, rotate on long axis by Be cased with needle overturning cam, braiding cam and gear under, station motor by rotation long axis drive needle overturning cam, braiding cam and Gear rotation, needle overturning triangle and needle overturning cam are mutually closely fitted, and knitting cam and braiding cam are mutually closely fitted;Double-station Rack and pinion intermeshing, station triangle group are mounted on double-station rack gear, and with double-station rack gear bar groove left and right displacement And do vertical movement up and down;The running of needle triangle is lifted in station motor bottom setting lift needle cam and drive, and lift needle triangle passes through bias Axis is moved along lift needle cam inner ring, and two swing rod one end are withstood in cam outer ring, is now in zero-bit, and slide bar is not made triangle of pushing pin With the two swing rod other ends are connected with triangle of pushing pin, and slide bar is horizontally installed on the outside of triangle of pushing pin, and when cam leaves zero-bit, push pin Triangle is moved up and down by the sliding slot left and right displacement of slide bar, and triangular prism position of pushing pin is equipped with the compressed spring for reset.
The groove cam runway of station motor one end connection lift needle cam, other end connection long axis lift needle cam acts on partially Mandrel is conveniently adjusted gap, and eccentric shaft is together with lift needle triangle joint, to do above and below regular with groove cam runway Movement;Gear is engaged with station rack gear, respectively drives station triangle with station motor rotation and station triangle is done on regular Lower movement;Needle overturning cam on long axis and one group of cooperation of needle overturning triangle, braiding cam on long axis with knitting cam is another assembles It closes, needle overturning triangle can only be done with knitting cam and move one on the other, cannot rise or fall simultaneously.
Above scheme, the needle overturning triangle and knitting cam pass through elevating lever and are mounted in fixing seat, in fixing seat Portion is equipped with connecting rod, and connecting rod interlude is fixed on inside fixing seat, and connecting rod two end is agreed with respectively in needle overturning triangle and knitting cam In elevating lever.The elevating lever of the needle overturning triangle and knitting cam is equipped with the slot position assigned for connecting rod, needle overturning cam and volume It knits cam and is closely fitted elevating lever one end, and push needle overturning triangle and knitting cam to rise or fall by elevating lever.
Needle overturning cam and braiding cam are fixed on long axis, and gear is fixed on long axis one end;Needle overturning cam and needle overturning triangle Snug fit, braiding cam and knitting cam snug fit, needle overturning cam groove center and braiding cam salient point are conllinear with side, turn over Needle triangle is connect with knitting cam by connecting rod, and such needle overturning triangle and knitting cam just meeting one rise and one drop will not rise simultaneously Or decline;The link design makes needle overturning triangle and knitting cam rise or fall no diastema, makes its mountain plate work operation effect Rate improves, and transmission accuracy reaches highest, and compares conventional electromagnets iron core, and access times are improved, and avoids the occurrence of old The bad phenomenons such as change, can bear the reaction force of long stitch piece bell for a long time, avoid knitting cam that from failing in retraction bottom plate, So as to cause striker phenomenon.
Above scheme, the station triangle group are divided into left station triangle, middle station trigonometric sum right working position triangle, double-station Rack gear side is equipped with straight-tooth, and the intermeshing of straight-tooth and gear and only gear band a rack gear of starting building do opposite left and right linear movement, Double-station rack gear is divided into double flute station rack gear and single slot station rack gear, and left station trigonometric sum right working position triangle passes through fixing bearing point It is not connected in the left and right bar groove of double flute station rack gear, middle station triangle is connected to the item of single slot station rack gear by fixing bearing In slot.The left and right bar groove of the double flute station rack gear has wave crest, trough and an intermediate three kinds of positions, left bar groove from left to right according to It is secondary for thick mesh, it is left tightly hang, compile hang, zero-bit, turn over connect needle, two layers hang and seven stations are tightly hung in the right side, right bar groove is from left to right followed successively by Two layers compile, it is left tightly hang, compiles hang, zero-bit, turn over connect needle, pine hangs and the right side is tight hangs seven stations, the bar groove of single slot station rack gear have wave crest, Two kinds of positions of trough and only garter station.
Middle station triangle with one group of station rack gear, station rack gear bar groove has two positions of peaks and troughs, middle station triangle Cooperated by fixing bearing and station rack gear bar groove, the tooth form of station rack gear is engaged with gear, does an opposite left side with the rotation of gear Right linear movement, station rack gear bar groove driving station triangle rise or fall movement.
There are two bar grooves on station rack gear, respectively correspond left station trigonometric sum right working position triangle, station rack gear bar groove has wave Peak, trough and middle position;The tooth form of station rack gear is engaged with gear, does opposite left and right linear movement, work with the rotation of gear Position rack gear can do one rise and one drop, with liter highest and middle position or with the minimum and middle position of drop.
As shown in attached drawing 10 to 11, seven stations, each station are equipped on double flute station rack gear and single slot station rack gear Cooperate other component to realize multiple movements, movement has zero-bit, volume to hang, it is left tightly hang, thick mesh, turn over connect needle, pine hangs, it is right tightly hang, a left side Pressing and right pressing.If braiding mountain plate left lateral is that a left side is tightly hung, right lateral will become right pressing action, if braiding mountain plate right lateral is right tight It hangs, left lateral will become left pressing action, and thick mesh and loose hang will use the tissue that two depth mesh compare pine.Weave mountain plate Use station rack and pinion as driving principle, improves and bear station triangle bearing limiting force, the combination of multistation can be real Existing more braid movement, also enriches a variety of flower pattern tissues, has better met market and the demand of client.
Above scheme, the cam outer ring are pressed in two swing rod one end, and the two swing rod other ends agree in needle selection fixing seat It in groove, is fixed in fixing seat among two swing rods, triangle of pushing pin is mounted in needle selection fixing seat, and needle selection fixing seat passes through rolling Bearing is displaced along the groove bar on slide bar and triangle of pushing pin is driven to rise or fall and moves.The slide bar is by left, center, right three It is spliced to form, is mutually linked by two connection button bits between three slide bars, groove bar is equipped on slide bar, is equipped among groove bar U-shaped Slot position, two slot positions of left and right are to the inclined-plane of intermediate, inclined.The needle selection fixing seat is located at two slot position rears of left and right, needle selection It is respectively arranged with baffle in fixing seat and the symmetrical arrangement of baffle, slide bar are stuck between baffle and needle selection fixing seat, baffle has cunning The U-lag position of slide bar bottom is arranged in throw of lever position-limiting action, lift needle triangle.
Cam shown position is minimum point, and cam salient point is pressed in one end of swing rod, and the swing rod other end is recessed with triangle of pushing pin Slot linking, triangle of pushing pin, which is lifted, to be hidden in cam base plate, is not acted on by slide bar strip groove runway, i.e. station zero-bit, to mention The flexibility of height braiding mountain plate, realizes the diversification of braid movement, and triangular prism position of pushing pin is used to reset equipped with compressed spring, with Station motor rotation, swing rod are released, and triangle of pushing pin is acted on by slide bar strip groove runway, does crisscross motion one on the other, cannot Movement is risen or fallen simultaneously.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in Within the protection scope of the utility model claims.

Claims (8)

1. Trinity motor control mountain plate specifically includes that needle overturning triangle (1), knitting cam (2), lift needle triangle (7), station Triangle group (5), station motor (6) and triangle of pushing pin (9), it is characterised in that: setting rotation length at the top of the station motor (6) Axis (61) rotates and is from top to bottom cased with needle overturning cam (11), braiding cam (21) and gear (54), station motor on long axis (61) (6) by rotation long axis (61) drive needle overturning cam (11), braiding cam (21) and gear (54) rotate, needle overturning triangle (1) and Needle overturning cam (11) is mutually closely fitted, and knitting cam (2) and braiding cam (21) are mutually closely fitted;Double-station rack gear (8) It is intermeshed with gear (54), station triangle group (5) is mounted on double-station rack gear (8), and with double-station rack gear (8) bar groove Left and right displacement and do up and down vertical movement;Station motor (6) bottom setting lift needle cam (10) and drive lift needle triangle (7) fortune Make, lift needle triangle (7) is mobile along lift needle cam (10) inner ring by eccentric shaft (4), and two swing rods are withstood in cam (101) outer ring (91) one end is now in zero-bit, and slide bar (93) does not act on triangle of pushing pin (9), two swing rods (91) other end and triangle of pushing pin (9) it is connected, slide bar (93) is horizontally installed on the outside of triangle of pushing pin (9), and when cam (101) leaves zero-bit, triangle of pushing pin (9) passes through The sliding slot left and right displacement of slide bar (93) and move up and down, triangle of pushing pin (9) column position be equipped with for reset compressed spring.
2. Trinity motor control according to claim 1 mountain plate, it is characterised in that: the needle overturning triangle (1) and Knitting cam (2) is mounted on fixing seat (55) by elevating lever (3), is equipped with connecting rod (31) inside fixing seat (55), connecting rod (31) interlude is fixed on fixing seat (55) inside, and connecting rod (31) both ends are agreed with respectively in needle overturning triangle (1) and knitting cam (2) Elevating lever (3) in.
3. Trinity motor control according to claim 2 mountain plate, it is characterised in that: the needle overturning triangle (1) and The elevating lever (3) of knitting cam (2) is equipped with the slot position assigned for connecting rod (31), needle overturning cam (11) and braiding cam (21) patch Tight fit elevating lever (3) one end, and push needle overturning triangle (1) and knitting cam (2) to rise or fall by two elevating levers (3).
4. Trinity motor control according to claim 1 mountain plate, it is characterised in that: the station triangle group (5) It is divided into left station triangle (51), middle station triangle (52) and right working position triangle (53), double-station rack gear (8) side is equipped with straight-tooth, Straight-tooth is intermeshed with gear (54) and only gear (54) drives station rack gear (8) to do opposite left and right linear movement, double-station Rack gear (8) is divided into double flute station rack gear (81) and single slot station rack gear (82), left station triangle (51) and right working position triangle (53) It is connected to by fixing bearing in the left and right bar groove of double flute station rack gear (81), middle station triangle (52) passes through fixing bearing It is connected in the bar groove of single slot station rack gear (82).
5. Trinity motor control according to claim 4 mountain plate, it is characterised in that: the double flute station rack gear (81) left and right bar groove has wave crest, trough and intermediate three kinds of positions, and left bar groove is from left to right followed successively by thick mesh, a left side tightly hangs, compiles Hang, zero-bit, turn over connect needle, two layers hang and it is right tightly hang seven stations, right bar groove is from left to right followed successively by two layers of volumes, a left side is tightly hung, compile hang, Zero-bit, turn over connect needle, pine hangs and it is right tightly hang seven stations, the bar groove of single slot station rack gear (82) have wave crest, two kinds of positions of trough and Only garter station.
6. Trinity motor control mountain plate according to claim 1 or 5, it is characterised in that: the cam (101) is outside Circle is pressed in two swing rods (91) one end, and two swing rods (91) other end agrees in the groove of needle selection fixing seat (71), two swing rods (91) Centre is fixed on fixing seat (55), and triangle of pushing pin (9) is mounted on needle selection fixing seat (71), and needle selection fixing seat (71) passes through rolling Dynamic bearing is displaced along the groove bar (932) on slide bar (93) and triangle (9) of pushing pin is driven to rise or fall movement.
7. Trinity motor control according to claim 6 mountain plate, it is characterised in that: the slide bar (93) is by left Right three are spliced to form, and are mutually linked by two connections button bit (931) between three slide bars (93), slide bar is equipped with slot on (93) Item (932), groove bar (932) is intermediate to be equipped with U-type groove position, and two slot positions of left and right are to the inclined-plane of intermediate, inclined.
8. Trinity motor control according to claim 7 mountain plate, it is characterised in that: the needle selection fixing seat (71) Two slot position rears of left and right are located at, are respectively arranged with baffle (711) and baffle (711) symmetrical cloth in needle selection fixing seat (71) It sets, slide bar (93) is stuck between baffle (711) and needle selection fixing seat (71), U of lift needle triangle (7) setting in slide bar (93) bottom Shape groove location.
CN201920153430.5U 2019-01-29 2019-01-29 Trinity motor control mountain plate Active CN209636427U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109518351A (en) * 2019-01-29 2019-03-26 汕头市连兴实业有限公司 Trinity motor control mountain plate
CN111705408A (en) * 2020-07-30 2020-09-25 桐乡市桐诚科技有限公司 High-precision needle pushing device of computerized flat knitting machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109518351A (en) * 2019-01-29 2019-03-26 汕头市连兴实业有限公司 Trinity motor control mountain plate
CN111705408A (en) * 2020-07-30 2020-09-25 桐乡市桐诚科技有限公司 High-precision needle pushing device of computerized flat knitting machine
CN111705408B (en) * 2020-07-30 2021-07-20 桐乡市桐诚科技有限公司 High-precision needle pushing device of computerized flat knitting machine

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