CN212247365U - Sinker mounting structure with large-stroke swinging effect for computerized flat knitting machine - Google Patents
Sinker mounting structure with large-stroke swinging effect for computerized flat knitting machine Download PDFInfo
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- CN212247365U CN212247365U CN202020414230.3U CN202020414230U CN212247365U CN 212247365 U CN212247365 U CN 212247365U CN 202020414230 U CN202020414230 U CN 202020414230U CN 212247365 U CN212247365 U CN 212247365U
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Abstract
The utility model discloses a sinker mounting structure with large stroke swinging effect for a computer flat knitting machine, wherein a sedimentation hinge mounting part is provided with a closed upper sliding kidney-shaped groove and a closed corner sliding groove; the front end part of the inserting piece is respectively provided with a first hinge hole and a second hinge hole which are in limit sliding hinge fit with the closed upper sliding kidney-shaped groove and the closed corner sliding groove, so that a sliding hinge structure with a large-stroke swinging effect is formed; the utility model discloses on the basis of realizing big stroke swing effect, ensure reliable stable big stroke movement track, and then realized reliable line ball effect, simultaneously the utility model discloses well sinker of big stroke swing effect adopts integrated into one piece spare, simple structure, and processing and installation, the convenient high efficiency of dismouting process are fit for carrying out scale popularization and application.
Description
Technical Field
The utility model belongs to the field of computerized flat knitting machine's spare part is made, concretely relates to computerized flat knitting machine is with sinker mounting structure who has big stroke swing effect.
Background
As is well known, a needle bed substrate of the motor flat knitting machine is used for mounting a needle plate, the needle plate mainly comprises a needle plate inserting piece used for mounting a knitting needle and a sinker connected with the needle plate inserting piece in a mounting and matching mode, the sinker is connected and matched with a sinker cam assembly mounted on a machine head in a driving mode, in the process of weaving the machine head, the pressing effect on yarns is mainly achieved, and the yarns are prevented from floating upwards.
Please refer to utility model patent with publication number CN201343618Y, which discloses a sinker for computerized flat knitting machine, which adopts a sinker, a fulcrum portion and a thread pressing hook, wherein the fulcrum portion adopts a single closed inner circular hole as a hinged rotating fulcrum, when the computerized flat knitting machine works, the sinker swings around the center of the closed inner circular hole, providing a pressing effect within a certain range for knitting clothes. However, the swinging amplitude of the sinker is limited, the yarn for weaving the clothes still can float upwards, and the pressing effect is not in place.
In order to solve the technical problem, the utility model with the publication number of CN205501560U discloses a sinker of a computerized flat knitting machine, which comprises a sinker body hinged on an insert of a needle bed and a spring fixed at the bottom of the sinker body, wherein a baffle tongue is arranged at the lower side of a pressing part of the sinker body, the sinker can swing in a larger range, and the floating of yarns is reduced; however, the structural scheme needs to rely on the spring to realize high-precision installation and hinge transition, the installation requirement is high, and the spring is easy to generate or fall off to cause the functional failure of the sinker.
Therefore, the present inventors decided to improve the above technical problems based on the many years of intensive research and development experience in the field of computerized flat knitting machines.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a sinker mounting structure that computer flat machine has big stroke swing effect ensures reliable stable big stroke movement track on realizing the basis of big stroke swing effect, and then has realized reliable line ball effect, simultaneously the utility model discloses the sinker of well big stroke swing effect adopts integrated into one piece spare, simple structure, and processing and installation, dismouting process are convenient high-efficient, are fit for carrying out scale popularization and application.
The utility model adopts the technical scheme as follows:
a needle plate insert mounting structure of a computerized flat knitting machine comprises inserts which are fixedly mounted on a needle plate of the computerized flat knitting machine in parallel, a needle groove for mounting a knitting needle is formed between every two adjacent inserts, each insert adopts an integrally-formed part, the front end of each insert adopts an insert hinged mounting block, each insert hinged mounting block is at least provided with a first hinge hole, a second hinge hole and a third hinge hole, and each hinge hole is internally provided with a hinge shaft for forming three hinge points which are distributed in a triangular shape;
the sinker is provided with a first sliding part, a second sliding part and a third sliding part which are respectively in limit sliding hinge fit with the first hinge hole, the second hinge hole and the third hinge hole and used for forming a reliable and stable triangular limit sliding hinge structure, and under the driving of a computer flat knitting machine head sinker triangular component, the sinker swings relative to a computer flat knitting machine needle plate by taking three hinge points distributed in a triangular shape as hinge rotating fulcrums and used for forming a motion track for improving a line pressing effect.
Preferably, the articulated installation piece of inserted sheet pass through the spacer with the articulated cooperation of sinker installation, the sinker is located the articulated installation piece of inserted sheet with between the spacer.
Preferably, the upper end both sides of the articulated installation piece of inserted sheet are equipped with first spacing recess and the spacing recess of second respectively, fasten spacing first spacer and the spacing spacer of second in first spacing recess and the spacing recess of second respectively, are used for avoiding the articulated installation piece drunkenness of inserted sheet.
Preferably, a tooth mouth piece matched with a needle latch of a knitting needle and used for knocking over is installed at the front end of the needle plate of the computerized flat knitting machine, a pressing line swing arm is arranged at the lower end of the sinker, swings relative to the tooth mouth piece, and is used for assisting in knocking over while ensuring a pressing line effect.
Preferably, the tooth mouth piece is fixedly mounted on the needle plate through an insert.
Preferably, the first hinge hole, the second hinge hole and the third hinge hole have different installation heights.
Preferably, the inserted sheet includes the inserted sheet body, be equipped with on the inserted sheet body a plurality of be used for with the mounting hole that faller fixed mounting is connected, simultaneously the inserted sheet body with be equipped with the spacing recess of tucking gauge that is used for fixed mounting tucking gauge between the articulated installation piece of inserted sheet.
Preferably, the first hinge hole, the second hinge hole and the third hinge hole are all closed round holes.
The application also provides an efficient swinging sinker of the computerized flat knitting machine, which adopts an integrally formed structure and comprises a jack, a settlement hinge mounting part and a pressing line swing arm, wherein the jack is positioned at the upper end part and is used for being matched with a handpiece sinker cam assembly of the computerized flat knitting machine in a driving way, and the pressing line swing arm is matched with the knitting needle; wherein the content of the first and second substances,
the sinking hinge installation part is provided with a first sliding part, a second sliding part and a third sliding part, an inserting piece installed on a needle plate of the computerized flat knitting machine is provided with a first hinge hole, a second hinge hole and a third hinge hole which are respectively matched with the first sliding part, the second sliding part and the third sliding part in a limiting sliding hinge mode and used for forming a reliable and stable triangular sliding hinge structure, and the sinking piece swings relative to the needle plate of the computerized flat knitting machine through the triangular sliding hinge structure under the driving of a head sinker cam assembly of the computerized flat knitting machine and is used for forming a motion track for improving a line pressing effect;
the mounting height of first sliding part all is greater than the mounting height of second sliding part and third sliding part, first sliding part adopts to be the horizontal closed type sliding tray that sets up, second sliding part adopts half closed type corner sliding tray, third sliding part adopts curved surface sliding groove.
Preferably, the closed sliding groove is a kidney-shaped groove, and a first arc-shaped lead angle for adjusting the angle is arranged on the right side of the kidney-shaped groove.
Preferably, the semi-closed corner sliding groove comprises a semi-kidney shaped groove unit and an annular corner groove unit which are transversely arranged, the annular corner groove unit is connected with the semi-kidney shaped groove unit, a sliding included angle is arranged between a center line of the semi-kidney shaped groove unit and a center line of the annular corner groove unit, and the sliding included angle ranges from 50 to 70 degrees.
Preferably, the semi-kidney-shaped groove unit is communicated with the annular corner groove unit through a second arc-shaped guide angle, and an outer groove opening of the annular corner groove unit is provided with a third arc-shaped guide angle.
Preferably, the curved surface sliding groove adopts a first curved surface sliding groove unit and a second curved surface sliding groove unit which are respectively positioned at two sides, and the first curved surface sliding groove unit and the second curved surface sliding groove unit are connected through an arc-shaped transition surface.
Preferably, a sliding included angle is arranged between the center line of the first curved surface sliding groove unit and the center line of the second curved surface sliding groove unit, and the sliding included angle ranges from 60 degrees to 90 degrees.
Preferably, the semi-closed type corner sliding groove and the curved surface sliding groove are distributed in a left-right direction, and are connected through a settlement swing limiting block.
Preferably, the closed-end sliding groove comprises a first left sliding limiting end and a first right sliding limiting end, the groove bottom of the semi-closed-end corner sliding groove is positioned on the left side, the groove opening is positioned on the right side, the groove bottom serves as a second left sliding limiting end, the groove opening serves as a second right sliding limiting end, and the curved-surface sliding groove comprises a third left sliding limiting end and a third right sliding limiting end; the first left sliding limiting end is located between the third left sliding limiting end and the second left sliding limiting end, and the first right sliding limiting end is located between the second right sliding limiting end and the third right sliding limiting end.
Preferably, the distance between the third right slide limit end and the third left slide limit end is smaller than the distance between the first left slide limit end and the first right slide limit end.
Preferably, the lower end part of the yarn pressing swing arm is provided with a yarn pressing tongue in a bent shape, a tooth mouth piece matched with a needle tongue of a knitting needle and used for knocking over is installed at the front end of a needle plate of the computerized flat knitting machine, and the yarn pressing tongue swings relative to the tooth mouth piece to ensure yarn pressing effect and assist knocking over.
The application also provides a spacer of the computerized flat knitting machine, the computerized flat knitting machine comprises inserting pieces which are arranged in parallel and are respectively and fixedly installed on a needle plate of the computerized flat knitting machine, the front ends of the inserting pieces are hinged with the sinkers, and the front ends of the inserting pieces are hinged and matched with the sinkers through the spacer; the spacer is an integrally-formed part and at least provided with a first hinge mounting hole, a first hinge limiting groove and a second hinge limiting groove, and the mounting heights of the first hinge mounting hole and the first hinge limiting groove are all larger than those of the first hinge limiting groove and the second hinge limiting groove;
the inserted sheet front end is equipped with first hinge hole, second hinge hole and third hinge hole, first hinge mounting hole, first articulated spacing groove and the articulated spacing groove of second respectively through the articulated shaft with first hinge hole, second hinge hole and third hinge hole correspond the installation cooperation.
Preferably, the first hinge mounting hole is a closed round hole, and the first hinge limiting groove and the second hinge limiting groove are both arc-shaped hinge limiting grooves.
Preferably, a needle groove for mounting a knitting needle is formed between every two adjacent inserting pieces, the front ends of the inserting pieces are provided with inserting piece hinged mounting blocks, and the inserting piece hinged mounting blocks are provided with first hinged holes, second hinged holes and third hinged holes which are correspondingly mounted and matched with the first hinged mounting holes, the first hinged limiting grooves and the second hinged limiting grooves through hinged shafts respectively and used for forming three hinged points which are distributed in a triangular shape; the sinker is provided with a first sliding part, a second sliding part and a third sliding part which are respectively in limit sliding hinge fit with the first hinge hole, the second hinge hole and the third hinge hole and are used for forming a reliable and stable triangular limit sliding hinge structure, and under the driving of a computer flat knitting machine head sinker triangular component, the sinker swings relative to a computer flat knitting machine needle plate by taking three hinge points distributed in a triangular shape as hinge rotating fulcrums and is used for forming a motion track for improving a line pressing effect.
Preferably, the upper end both sides of the articulated installation piece of inserted sheet are equipped with first spacing recess and the spacing recess of second respectively, fasten spacing first spacer and the spacing spacer of second in first spacing recess and the spacing recess of second respectively, are used for avoiding the articulated installation piece drunkenness of inserted sheet.
Preferably, the outer diameter of the needle bar of the knitting needle ranges from 0.8 mm to 1.5 mm.
Preferably, the sinker comprises a striking lug, a sinking hinge installation part and a pressing line swing arm, wherein the striking lug is positioned at the upper end part and is in driving fit with a knitting needle sinker cam assembly of the computerized flat knitting machine head, and the sinking hinge installation part connects the striking lug and the pressing line swing arm into a whole; the settlement hinge mounting part is provided with a first sliding part, a second sliding part and a third sliding part.
Preferably, the lower end part of the yarn pressing swing arm is provided with a yarn pressing tongue in a bent shape, a tooth mouth piece matched with a needle tongue of a knitting needle and used for knocking over is installed at the front end of a needle plate of the computerized flat knitting machine, and the yarn pressing tongue swings relative to the tooth mouth piece to ensure yarn pressing effect and assist knocking over.
In order to meet the requirement of large-stroke thread pressing of a computerized flat knitting machine needle plate with a large-outer-diameter knitting needle and avoid the problem of yarn floating, the application also provides a sinker mounting structure with a large-stroke swinging effect for the computerized flat knitting machine, wherein the sinker is of an integrally formed structure and comprises a sinker butt, a sinking hinge mounting part and a thread pressing swing arm, the sinker butt is located at the upper end part and is in driving fit with a computerized flat knitting machine head sinker triangular component, the sinking hinge mounting part is matched with the knitting needle, and the sinking hinge mounting part is used for connecting the sinker butt and the thread pressing swing arm into a whole; wherein the settlement hinge mounting portion is provided with a closed-type upper sliding kidney slot and a closed-type corner sliding slot, which are located above and transversely arranged, and located in the middle, the closed-type corner sliding slot comprises a first half kidney slot corner sliding slot unit and a second half kidney slot corner sliding slot unit, which are mutually connected, the first half kidney slot corner sliding slot unit is transversely arranged, and a sliding included angle is arranged between a center line of the first half kidney slot corner sliding slot unit and a center line of the second half kidney slot corner sliding slot unit, and the sliding included angle ranges from 50 ° to 70 °; the front end part of an insert installed on a needle plate of the computerized flat knitting machine is respectively provided with a first hinge hole and a second hinge hole which are matched with the closed-type upper sliding kidney-shaped groove and the closed-type corner sliding groove in a limiting sliding hinge mode to form a sliding hinge structure with a large-stroke swinging effect.
Preferably, subside articulated mounting portion still is equipped with the curved surface sliding guide recess that is located the bottom, simultaneously the inserted sheet still be equipped with about being interval distribution's first spare hole and second spare hole, first spare hole and second spare hole be used for when installation or dismouting selectivity with curved surface sliding guide recess supports the direction cooperation, when actually implementing, can adopt the steel wire to pass first spare hole and second spare hole and curved surface sliding guide recess support the direction cooperation respectively in advance, then slide the kidney slot on respectively carrying out first articulated hole and the closed type to and the articulated installation cooperation of steel wire between second articulated hole and the closed type corner sliding tray, installation and dismouting process when being convenient for implement have eliminated the installation that adopts two closed type sliding trays to exist effectively, the not convenient problem of dismouting process.
Preferably, the length of the sliding kidney slot on the closed top is in the range of 8-25 mm.
Preferably, the length of the sliding kidney slot on the closed top is in the range of 10-15 mm.
Preferably, curved surface sliding guide recess is including being located left arc glide plane on left side and being located the right arc glide plane on right side, left arc glide plane through horizontal glide plane with right arc glide plane is connected.
Preferably, the lower side surface of the line pressing swing arm is simultaneously used as the left arc-shaped sliding surface.
Preferably, the lower end part of the yarn pressing swing arm is provided with a yarn pressing tongue in a bent shape, a tooth mouth piece matched with a needle tongue of a knitting needle and used for knocking over is installed at the front end of a needle plate of the computerized flat knitting machine, and the yarn pressing tongue swings in a large stroke relative to the tooth mouth piece, so that the yarn pressing effect is ensured, and meanwhile, the yarn pressing tongue is used for assisting in knocking over.
Preferably, the outer diameter of the needle bar of the knitting needle ranges from 5mm to 9 mm.
Preferably, the closed upper sliding kidney slot comprises a first left sliding limit end and a first right sliding limit end, the closed corner sliding slot comprises a second left sliding limit end and a second right sliding limit end, and the curved sliding guide groove comprises a third left sliding limit end and a third right sliding limit end; wherein, the third left sliding limit end is positioned between the first left sliding limit end and the second left sliding limit end, the third right sliding limit end is positioned between the first right sliding limit end and the second right sliding limit end, and the second left sliding limit end is positioned between the first left sliding limit end and the first right sliding limit end.
Preferably, the distance between the third right slide limit end and the third left slide limit end is smaller than the distance between the first left slide limit end and the first right slide limit end.
Preferably, the front end part of the inserting piece is in hinged fit with the sinker through a spacer, and the sinker is positioned between the front end part of the inserting piece and the spacer.
It should be noted that, in order to realize quick convenient and stable articulated effect, the articulated shaft that this application relates to all adopts the steel wire, can greatly facilitate the installation and the dismouting simultaneously.
The utility model firstly sets three hinge joints distributed in a triangular shape on the insert hinge mounting block, and sets a sliding part matched with each hinge joint in a limiting sliding hinge way, so as to form a reliable and stable triangular limiting sliding hinge structure, thereby avoiding the problem that the prior art adopts a single closed inner round hole as a hinge rotation pivot to be incapable of realizing a motion track with a larger swing amplitude, and also avoiding various new problems caused by arranging a spring at the bottom of the sinker body, when the utility model is in actual work, the sinker swings relative to a computerized flat knitting machine needle plate by taking the three hinge joints distributed in the triangular shape as the hinge rotation pivot under the driving of a computerized flat knitting machine head sinker cam component, thereby forming a motion track with a larger swing stroke, obviously improving the line pressing effect, avoiding the problem of yarn floating, and having simple structure, the mounting and dismounting are convenient and fast, and the device is particularly suitable for being applied to a computerized flat knitting machine for mounting fine knitting needles;
the utility model further concretely provides an optimized high-efficient swing sinker, adopt the closed type sliding groove that is located the top and is transversely arranged as its first sliding part, adopt half closed type corner sliding groove as its second sliding part, adopt curved surface sliding groove as its third sliding part, when the actual work is operated, the sinker is under the drive of computerized flat knitting machine aircraft nose letter gram triangle subassembly, the closed type sliding groove that is located the top effectively limits the sliding track, effectively control the whole sliding stroke of sinker, half closed type corner sliding groove realizes the corner function to the sinker on the basis of cooperating the sliding track, realize the whole swing effect, curved surface sliding groove can ensure the good guiding slip of sinker when the sinker slides, correspond to cooperate the articulated realization three horn shape sliding hinge structure that is very stable and reliable with the inserted sheet installed on the computerized flat knitting machine, the stable movement track of the sinker is ensured, and the reliable line pressing effect is further realized, meanwhile, the high-efficiency swinging sinker of the utility model adopts an integrated piece, the structure is simple, and the processing, installation and disassembly processes are convenient and efficient;
the utility model discloses further specifically proposed preferred spacer, the inserted sheet front end passes through spacer and sinker installation articulated cooperation, realizes more reliable and more stable triangle form slip articulated structure, avoids triangle form slip articulated structure to take place not hard up in long-time slip process, further ensures the utility model discloses a life, simultaneously the utility model discloses a spacer specifically adopts first hinge mounting hole, first hinge spacing groove and second hinge spacing groove as its cooperation articulated structure, and the first hinge spacing groove and the second hinge spacing groove that are located below can further realize good installation guide effect, avoid the articulated structure to take place the installation interference problem, realize quick installation effect;
considering that the sinker for the computerized flat knitting machine provided with the thick needle requires the sinker to have a large stroke swinging effect in order to realize an excellent thread pressing effect, the application preferably provides that a closed upper sliding waist-shaped groove and a closed corner sliding groove are arranged on the sinker hinge mounting part of the sinker, the closed upper sliding waist-shaped groove is positioned above and transversely arranged, the closed upper sliding waist-shaped groove is positioned in the middle, the closed upper sliding waist-shaped groove is used for realizing a large swinging stroke limiting effect, the closed corner sliding groove realizes large corner swinging while matching with a large swinging stroke, and the application ensures reliable and stable large stroke movement track on the basis of realizing the large stroke swinging effect, and then realized reliable line ball effect, simultaneously the utility model discloses the sinker of well large stroke swing effect adopts integrated into one piece spare, simple structure, and processing and installation, the convenient high efficiency of dismouting process are fit for carrying out scale popularization and application.
Drawings
Fig. 1 is a schematic view (in an initial state) of a mounting structure of a needle plate insert in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an insert 20 in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of an efficient swinging sinker 40 in embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a spacer 50 according to embodiment 1 of the present invention;
fig. 5 is a schematic structural view of the sinker 40 in fig. 1 in a state of the swing process;
fig. 6 is a schematic structural view of the sinker 40 of fig. 1 in a maximum stroke position swing state;
fig. 7 is a schematic view of an installation structure of a sinker 100 having a large stroke swing effect for a computerized flat knitting machine according to embodiment 2 of the present invention (in an initial state);
fig. 8 is a schematic structural view of a sinker 100 having a large stroke swing effect according to embodiment 2 of the present invention;
fig. 9 is a schematic structural view of a spacer 250 according to embodiment 2 of the present invention.
Fig. 10 is a schematic structural view of the sinker 100 of fig. 7 in a state of a swing process;
fig. 11 is a schematic structural view of the sinker 100 of fig. 7 in a maximum stroke position swing state.
Detailed Description
The embodiment of the utility model discloses a faller inserted sheet mounting structure of computerized flat knitting machine, including being the inserted sheet of parallel form fixed mounting on the computerized flat knitting machine faller respectively, form the needle groove that is used for installing the knitting needle between every adjacent inserted sheet, the inserted sheet adopts integrated into one piece, and the inserted sheet front end adopts inserted sheet articulated mounting block, is equipped with first hinge hole, second hinge hole and third hinge hole on the inserted sheet articulated mounting block at least, all installs the articulated shaft in each hinge hole for form three hinge points that are the triangular shape and distribute; be equipped with on the sinker and carry out spacing slip articulated complex first sliding part, second sliding part and third sliding part with first hinge hole, second hinge hole and third hinge hole respectively for form reliable stable triangle-shaped spacing slip hinge structure, under the drive of computerized flat knitting machine aircraft nose letter gram triangle-shaped subassembly, the sinker is swung for the computerized flat knitting machine faller with three pin joint that is triangle-shaped distribution as articulated rotation fulcrum, is used for forming the motion trail that improves the line ball effect.
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1: please refer to fig. 1, a needle plate insert mounting structure of a computerized flat knitting machine, comprising insert pieces 20 respectively fixedly mounted on a needle plate 10 of the computerized flat knitting machine in parallel, a needle groove for mounting a knitting needle 30 is formed between every two adjacent insert pieces 20, further refer to fig. 2, the insert pieces 20 are integrally formed, the front ends of the insert pieces are hinged to mounting blocks 21 by the insert pieces, preferably, in the present embodiment, the insert pieces 20 comprise insert piece bodies 22 integrally connected with the insert piece hinged mounting blocks 21, the insert piece bodies 22 are provided with a plurality of mounting holes 22a for fixedly mounting and connecting with the needle plate 10, and needle pressing ruler limiting grooves 23 for fixedly mounting needle pressing rulers (not shown in fig. 1) are arranged between the insert piece bodies 22 and the insert piece hinged mounting blocks 21; particularly preferably, in the present embodiment, the outer diameter of the needle bar of the knitting needle 30 ranges from 0.8 to 1.5 mm;
in the embodiment, the insert hinge mounting block 21 is provided with a first hinge hole 21a, a second hinge hole 21b and a third hinge hole 21c, and hinge shafts (specifically, steel wires are adopted to facilitate mounting and dismounting, and have a good hinge effect) are respectively mounted in the hinge holes 21a, 21b and 21c and are used for forming three hinge points distributed in a triangular shape; further preferably, in the present embodiment, the first hinge hole 21a, the second hinge hole 21b and the third hinge hole 21c are all closed round holes, and the installation heights of the first hinge hole 21a, the second hinge hole 21b and the third hinge hole 21c are all different, specifically, the installation height of the second hinge hole 21b is greater than the installation height of the third hinge hole 21c and is less than the installation height of the first hinge hole 21 a;
in the present embodiment, please further refer to fig. 3, a first sliding portion, a second sliding portion and a third sliding portion, which are respectively in limit sliding hinge fit with the first hinge hole 21a, the second hinge hole 21b and the third hinge hole 21c, are disposed on the sinker 40, and are used to form a reliable and stable triangular limit sliding hinge structure, and the sinker 40 swings with three hinge points distributed in a triangular shape as hinge rotation fulcrums with respect to the computerized flat knitting machine needle plate 10 under the driving of a computerized flat knitting machine head sinker cam assembly (not shown, which is a known structure of a computerized flat knitting machine) to form a motion track for improving a thread pressing effect;
preferably, in the present embodiment, the sinker 40 is a high-efficiency swinging sinker and adopts an integrally formed structure, the sinker includes a butt 41 located at the upper end and used for being in driving fit with a computer flat knitting machine head sinker cam assembly, a sinking hinge mounting portion 42 and a pressing line swing arm 43 matched with the knitting needle 30, the sinking hinge mounting portion 42 connects the butt 41 and the pressing line swing arm 43 into a whole, preferably, in the present embodiment, a bending pressing tongue 43a is arranged at the lower end of the pressing line swing arm 43, a tooth mouth piece 25 matched with the needle tongue 31 of the knitting needle 30 for knocking over is mounted at the front end of the needle plate 10 of the computer flat knitting machine, and the pressing tongue 43a swings relative to the tooth mouth piece 25 to ensure a pressing effect and simultaneously assist in knocking over; the tooth mouth piece 25 is fixedly arranged on the needle plate 10 through the embedded piece 26, and the installation process is convenient and reliable;
in the embodiment, the sinking hinge mounting part 42 is provided with a first sliding part, a second sliding part and a third sliding part, the insert 20 mounted on the computerized flat knitting machine needle plate 10 is provided with a first hinge hole 21a, a second hinge hole 21b and a third hinge hole 21c which are respectively matched with the first sliding part, the second sliding part and the third sliding part in a limiting sliding hinge manner, so as to form a reliable and stable triangular sliding hinge structure, and the sinking piece 40 swings relative to the computerized flat knitting machine needle plate 10 through the triangular sliding hinge structure under the driving of a computerized flat knitting machine head sinker cam assembly, so as to form a motion track for improving a thread pressing effect; the installation height of the first sliding part is greater than that of the second sliding part and the third sliding part, the first sliding part adopts a transversely arranged closed-type sliding groove 44, the second sliding part adopts a semi-closed-type corner sliding groove 45, the third sliding part adopts a curved-surface sliding groove 46, preferably, in the embodiment, the semi-closed-type corner sliding groove 46 and the curved-surface sliding groove 47 are distributed leftwards and rightwards, and the semi-closed-type corner sliding groove 46 and the curved-surface sliding groove 47 are connected through a settlement swing limiting block 48;
in the embodiment, a closed sliding groove 44 which is transversely arranged at the upper part is used as a first sliding part, a semi-closed corner sliding groove 45 is used as a second sliding part, a curved sliding groove 46 is used as a third sliding part, when the sinker 40 is driven by a computer flat knitting machine head sinker cam assembly during actual operation, the closed sliding groove 44 at the upper part effectively limits the sliding track, the integral sliding stroke of the sinker 40 is effectively controlled, the corner function of the sinker 40 is realized on the basis of the sliding track matched by the semi-closed corner sliding groove 45, the integral swinging effect is realized, the curved sliding groove 46 can ensure the good guiding sliding of the sinker 40 during sliding, and the sinker 40 is correspondingly matched and hinged with an insert 20 arranged on a needle plate 10 of the computer flat knitting machine to realize a very stable and reliable triangular sliding hinge structure, the stable movement track of the sinker 40 is ensured, so that a reliable line pressing effect is realized, and meanwhile, the high-efficiency swinging sinker 40 in the embodiment adopts an integrally formed part, so that the structure is simple, and the processing, installation and dismounting procedures are convenient and efficient;
further preferably, in order to achieve more efficient, accurate, reliable and stable movement trajectory of the sinker 40, in the present embodiment, the closed sliding groove 44 is a kidney-shaped groove, and a first arc-shaped lead angle 44a for adjusting the angle is arranged on the right side of the kidney-shaped groove; the semi-closed corner sliding groove 45 comprises a semi-kidney-shaped groove unit 45a and an annular corner groove unit 45b which are transversely arranged, the annular corner groove unit 45b is connected with the semi-kidney-shaped groove unit 45a, a sliding included angle a1 is formed between the center line of the semi-kidney-shaped groove unit 45a and the center line of the annular corner groove unit 45b, and the sliding included angle a1 ranges from 50 degrees to 70 degrees; the semi-kidney-shaped groove unit 45a is communicated with the annular corner groove unit 45b through a second arc-shaped guide angle 45c, and an outer groove opening of the annular corner groove unit 45b is provided with a third arc-shaped guide angle 45 d; the curved surface sliding grooves 46 are first curved surface sliding groove units 46a and second curved surface sliding groove units 46c which are respectively located on two sides, the first curved surface sliding groove units 46a and the second curved surface sliding groove units 46c are connected through arc-shaped transition surfaces 46b, a sliding included angle a2 is arranged between the center line of the first curved surface sliding groove unit 46a and the center line of the second curved surface sliding groove unit 46c, and the sliding included angle a2 ranges from 60 degrees to 90 degrees;
specifically, preferably, in order to facilitate the accuracy of the sliding limit of the sinker 40, in the present embodiment, the closed-end type sliding groove 44 includes a first left sliding limit end 441 and a first right sliding limit end 442, the groove bottom of the half-closed-end type corner sliding groove 45 is located on the left side, the groove opening is located on the right side, the groove bottom serves as a second left sliding limit end 451, the groove opening serves as a second right sliding limit end 452 (guide limit), and the curved-surface sliding groove 46 includes a third left sliding limit end 461 and a third right sliding limit end 462; wherein the first left-sliding limiting end 441 is located between the third left-sliding limiting end 461 and the second left-sliding limiting end 451, and the first right-sliding limiting end 442 is located between the second right-sliding limiting end 452 and the third right-sliding limiting end 462; the distance between the third right-slide limiting end 462 and the third left-slide limiting end 461 is smaller than the distance between the first left-slide limiting end 441 and the first right-slide limiting end 442;
preferably, in order to improve the overall reliability of the triangular limiting sliding hinge structure and avoid the sinker 50 from loosening in the swinging process, in the embodiment, the insert hinge mounting block 21 is in mounting hinge fit with the sinker 50 through the spacer 50, and the sinker 40 is located between the insert hinge mounting block 21 and the spacer 50; a first limiting groove 211 and a second limiting groove 212 are respectively arranged on two sides of the upper end part of the inserting sheet hinged mounting block 21, and a first spacing sheet 61 and a second spacing sheet 62 are respectively fastened and limited in the first limiting groove 211 and the second limiting groove 212 and are used for avoiding the moving of the inserting sheet hinged mounting block 21;
specifically, preferably, in order to realize convenient and quick installation, please further refer to fig. 4, the present application further proposes a preferable spacer 50, the spacer 50 is an integrally formed part and is provided with a first hinge mounting hole 51, a first hinge limiting groove 52 and a second hinge limiting groove 53, the mounting heights of the first hinge mounting hole 51 are all greater than the mounting heights of the first hinge limiting groove 52 and the second hinge limiting groove 53, and the mounting height of the first hinge limiting groove 52 is greater than the mounting height of the second hinge limiting groove 53; the first hinge mounting hole 51, the first hinge limiting groove 52 and the second hinge limiting groove 53 are correspondingly mounted and matched with the first hinge hole 21a, the second hinge hole 21b and the third hinge hole 21c through hinge shafts respectively, and are used for forming three hinge points which are distributed in a triangular shape; particularly preferably, in the present embodiment, the first hinge mounting hole 51 is a closed circular hole, and the first hinge limiting groove 52 and the second hinge limiting groove 53 are both arc-shaped hinge limiting grooves; the inserting sheet hinged mounting block 21 of the embodiment is in hinged fit with the sinker 40 through the spacer 50, so that a more stable and reliable triangular sliding hinged structure is realized, the triangular sliding hinged structure is prevented from loosening in a long-time sliding process, the service life of the embodiment is further ensured, meanwhile, the spacer 50 of the embodiment specifically adopts the first hinged mounting hole 51, the first hinged limiting groove 52 and the second hinged limiting groove 53 as matched hinged structures, the first hinged limiting groove 52 and the second hinged limiting groove 53 positioned below can further realize a good mounting and guiding effect, the problem of mounting interference of the triangular sliding hinged structure is avoided, and a quick mounting effect is realized;
in summary, in the present embodiment, three hinge points distributed in a triangular shape are disposed on the insert hinge mounting block 21, and meanwhile, the sinker 40 is disposed with the sliding portions 44,45,46 that are in limit sliding hinge fit with the hinge points, so as to form a reliable and stable triangular limit sliding hinge structure, thereby avoiding the problem that the prior art cannot realize a movement track with a large swing amplitude by using a single closed inner circular hole as a hinge rotation fulcrum, and various new problems caused by no need of disposing a spring at the bottom of the sinker body, please refer to fig. 5 and 6 further, in the present embodiment, during actual operation, the sinker 40 swings relative to the computerized flat knitting machine needle plate 10 by using the three hinge points distributed in a triangular shape as the hinge rotation fulcrum under the driving of the computerized flat knitting machine head cam assembly, so as to form a movement track with a large swing stroke, the yarn pressing effect is remarkably improved, the problem of floating yarn is avoided, the structure is simple, the installation and the disassembly are convenient, and the yarn pressing device is particularly suitable for being applied to a computerized flat knitting machine for installing fine knitting needles.
Example 2: referring to fig. 7 and 8, a sinker mounting structure for a computerized flat knitting machine with a large stroke swinging effect, wherein a sinker 100 is of an integrally formed structure and comprises a sinker butt 110, a sinking hinge mounting part 120 and a pressing line swinging arm 130, wherein the sinker butt 110 is located at the upper end part and is in driving fit with a sinker cam assembly (not shown) of the computerized flat knitting machine head, the pressing line swinging arm 130 is matched with a knitting needle 200, and the sinking hinge mounting part 120 connects the sinker butt 110 and the pressing line swinging arm 130 into a whole; particularly preferably, in the present embodiment, the outer diameter of the needle bar of the knitting needle 210 ranges from 5 to 9 mm; the lower end part of the thread pressing swing arm 130 is provided with a bent thread pressing tongue 131, the front end of a needle plate 220 of the computerized flat knitting machine is provided with a tooth mouth piece 230 which is matched with a needle tongue 211 of a knitting needle 210 for knocking over, and the thread pressing tongue 211 swings in a large stroke relative to the tooth mouth piece 230 to ensure thread pressing effect and assist knocking over; the tooth mouth piece 230 is fixedly arranged on a needle plate 220 of the computerized flat knitting machine through an insert 260;
the sinking hinge mounting part 120 is provided with a closed upper sliding kidney slot 121 located above and transversely arranged, and a closed corner sliding slot 122 located in the middle, the closed corner sliding slot 122 includes a first half kidney slot corner sliding slot unit 122a and a second half kidney slot corner sliding slot unit 122b connected to each other, the first half kidney slot corner sliding slot unit 122a is transversely arranged, a sliding included angle b1 is provided between a center line of the first half kidney slot corner sliding slot unit 122a and a center line of the second half kidney slot corner sliding slot unit 122b, and the sliding included angle b1 ranges from 50-70 °; preferably, in the present embodiment, the length of the closed upper sliding kidney slot 121 ranges from 8 to 25 mm; more preferably, the length range of the sliding kidney-shaped groove 121 on the closed type is 10-15mm, so that a large swing stroke can be realized, and the knitting requirement of the knitting needle 210 can be met;
in this embodiment, the front end of the insert 240 mounted on the needle plate 220 of the computerized flat knitting machine is respectively provided with a first hinge hole 241 and a second hinge hole 242 which are in limit sliding hinge fit with the closed upper sliding kidney-shaped groove 121 and the closed corner sliding groove 122 to form a sliding hinge structure with a large stroke swing effect, and the sinker 100 is driven by the sinker cam assembly of the computerized flat knitting machine head to perform large stroke swing relative to the needle plate 220 of the computerized flat knitting machine through the sliding hinge structure with the large stroke swing effect to form a motion track for improving the thread pressing effect;
preferably, in this embodiment, the sinking hinge-mounting portion 120 is further provided with a curved sliding-guiding groove 123 at the bottom, and the inserting piece 240 is further provided with a first spare hole 243 and a second spare hole 244 spaced from each other at left and right, the first spare hole 243 and the second spare hole 244 are used for selectively supporting and guiding the curved sliding-guiding groove 123 during mounting or dismounting, in practical implementation, a steel wire (not shown) can be used to respectively pass through the first spare hole 243 and the second spare hole 244 to support and guide the curved sliding-guiding groove 123, and then the first hinge hole 241 and the closed upper sliding-waist-shaped groove 121 and the steel wire hinge-mounting cooperation between the second hinge hole 242 and the closed corner-sliding groove 122 are respectively performed, so as to facilitate the mounting and dismounting processes during implementation, and effectively eliminate the mounting, and dismounting processes existing in the two closed corner-sliding grooves 121,122 are effectively eliminated, The disassembly and assembly process is inconvenient;
preferably, in the present embodiment, the curved sliding-guide groove 123 includes a left curved sliding surface 123a on the left side and a right curved sliding surface 123b on the right side, and the left curved sliding surface 123a is connected to the right curved sliding surface 123b through a lateral sliding surface; the lower side surface of the line pressing swing arm 130 is simultaneously used as a left arc-shaped sliding surface 123a, so that the structure is simple and compact, and the sliding reliability is further facilitated;
preferably, in the present embodiment, the closed upper sliding kidney slot 121 includes a first left sliding limit end 121c and a first right sliding limit end 121d, the closed corner sliding slot 122 includes a second left sliding limit end 122c and a second right sliding limit end 122d, and the curved sliding guide groove 123 includes a third left sliding limit end 123c and a third right sliding limit end 123 d; wherein the third left-sliding position-limiting end 123c is located between the first left-sliding position-limiting end 121c and the second left-sliding position-limiting end 122c, the third right-sliding position-limiting end 123d is located between the first right-sliding position-limiting end 121d and the second right-sliding position-limiting end 122d, and the second left-sliding position-limiting end 122c is located between the first left-sliding position-limiting end 121c and the first right-sliding position-limiting end 121 d; the distance between the third right slide limit end 123d and the third left slide limit end 123c is smaller than the distance between the first left slide limit end 121c and the first right slide limit end 121 d; the optimal spacing scheme of the embodiment can simultaneously ensure that a reliable and stable guiding and supporting effect is obtained during installation and disassembly, and simultaneously ensure that a reliable and accurate large-stroke swinging effect is realized during actual working and operation;
preferably, in the present embodiment, the front end of the inserting piece 240 is in installation and hinge fit with the sinker 100 through the spacer 250, the sinker 100 is located between the front end of the inserting piece 240 and the spacer 250, and the spacer 250 can effectively prevent the sinker 100 from loosening, improve installation reliability, and ensure that the present embodiment has a long service life; referring to fig. 9, it is particularly preferable that in the present embodiment, the spacer 250 is an integrally formed component, and is provided with a first hinge mounting hole 251, a second hinge mounting hole 252, a first spare limiting groove 253 and a second spare limiting groove 254, the mounting height of the second hinge mounting hole 252 is greater than the mounting height of the first spare limiting groove 253 and less than the mounting height of the first hinge mounting hole 251, and the mounting height of the first spare limiting groove 253 is equal to the mounting height of the second spare limiting groove 254; the first hinge mounting hole 251 and the second hinge mounting hole 252 are respectively and correspondingly and respectively hinged and matched with the first hinge hole 241 and the second hinge hole 242 through hinge shafts (specifically, steel wires), and considering that the two closed-type sliding grooves 121 and 122 and the corresponding hinge holes 241 and 242 and hinge mounting holes 251 and 252 have the problem of inconvenient mounting and dismounting processes, when the embodiment is used for mounting and dismounting, the first spare limiting groove 253 and the second spare limiting groove 254 can be respectively and correspondingly mounted and matched with the first spare hole 243 and the second spare hole 244 in a way of inserting steel wires in advance, after a good guiding, supporting and mounting function is realized, the closed-type upper sliding waist-shaped groove 121, the closed-type corner sliding groove 122 and the corresponding hinge holes 241 and 242 and hinge mounting holes 251 and 252 are quickly and conveniently mounted, when the closed-type upper sliding waist-shaped groove 121 and the closed-type corner sliding groove 122 are hinged, the steel wires in the first spare hole 243 and the second spare hole 244 are drawn away, so that a mounting structure which is convenient to mount and dismount, reliable and stable is formed; particularly preferably, in this embodiment, the first hinge mounting hole 251 and the second hinge mounting hole 252 both adopt closed circular holes, and the first spare limiting groove 253 and the second spare limiting groove 254 both adopt arc-shaped guide limiting grooves, which further facilitates a quick mounting process;
as in embodiment 1, the insert 240 in this embodiment is provided with a plurality of mounting holes 245 for fixedly mounting and connecting with the needle plate 220, and a needle bar limiting groove 246 for fixedly mounting the needle bar 270 is provided between the insert body and the front end of the insert.
Please refer to fig. 10 and 11 in combination, in this embodiment, a closed upper sliding kidney slot 121 and a closed corner sliding slot 122 are disposed in the horizontal direction on the subsidence hinge mounting portion 120 of the sinker 100, the closed upper sliding kidney slot 121 is disposed in the middle of the subsidence hinge mounting portion and used for achieving a large swing stroke limiting effect, the closed corner sliding slot 122 achieves large swing stroke matching with the large swing stroke and achieves large corner swing, and on the basis of achieving the large stroke swing effect, a reliable and stable large stroke motion trajectory is ensured, so as to achieve a reliable line pressing effect.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The sinker mounting structure with the large-stroke swinging effect for the computerized flat knitting machine is characterized in that the sinker is of an integrally formed structure and comprises a sinker butt, a sinking hinge mounting part and a pressing line swinging arm, wherein the sinker butt is positioned at the upper end part and is used for being in driving fit with a sinker cam assembly of the head of the computerized flat knitting machine; wherein the content of the first and second substances,
the settlement hinge mounting portion is provided with a closed-type upper sliding waist-shaped groove and a closed-type corner sliding groove, the closed-type corner sliding groove is located above and transversely arranged and comprises a first half waist-shaped groove corner sliding groove unit and a second half waist-shaped groove corner sliding groove unit which are mutually connected, the first half waist-shaped groove corner sliding groove unit is transversely arranged, a sliding included angle is arranged between a center line of the first half waist-shaped groove corner sliding groove unit and a center line of the second half waist-shaped groove corner sliding groove unit, and the sliding included angle ranges from 50 degrees to 70 degrees;
the front end part of an insert installed on a needle plate of the computerized flat knitting machine is respectively provided with a first hinge hole and a second hinge hole which are matched with the closed-type upper sliding kidney-shaped groove and the closed-type corner sliding groove in a limiting sliding hinge mode to form a sliding hinge structure with a large-stroke swinging effect.
2. The sinker mounting structure with a large-stroke swinging effect according to claim 1, wherein the sinker hinge mounting part is further provided with a curved sliding guide groove at the bottom, and the insert is further provided with a first spare hole and a second spare hole which are distributed at left and right intervals, and the first spare hole and the second spare hole are used for being selectively supported and guided to be matched with the curved sliding guide groove during mounting or dismounting.
3. The sinker mounting structure with a large stroke oscillating effect according to claim 1, wherein the length of said sliding kidney-shaped groove on the closed type is in the range of 8 to 25 mm.
4. The sinker mounting structure with a large stroke rocking effect according to claim 2, wherein said curved sliding guide groove comprises a left curved sliding surface on a left side and a right curved sliding surface on a right side, said left curved sliding surface being connected to said right curved sliding surface through a lateral sliding surface.
5. The sinker mounting structure with a large stroke swinging effect according to claim 4, wherein the lower side surface of said line pressing swing arm simultaneously serves as said left arc-shaped sliding surface.
6. The sinker mounting structure with a large-stroke swinging effect according to claim 1, wherein a lower end portion of the sinker swinging arm is provided with a bent sinker tongue, a needle plate of the computerized flat knitting machine is provided at a front end thereof with a needle notch piece for knocking over in cooperation with the needle tongue of the knitting needle, and the sinker tongue swings with a large stroke relative to the needle notch piece to ensure a sinker effect and assist knocking over.
7. The sinker-mounting structure with a large stroke oscillating effect according to claim 1 or 6, wherein the needle shaft of said knitting needle has an outer diameter in the range of 5 to 9 mm.
8. The sinker mounting structure with a large stroke rocking effect according to claim 2, wherein said closed-type upper sliding kidney groove comprises a first left sliding limit end and a first right sliding limit end, said closed-type corner sliding groove comprises a second left sliding limit end and a second right sliding limit end, and said curved sliding guide groove comprises a third left sliding limit end and a third right sliding limit end; wherein, the third left sliding limit end is positioned between the first left sliding limit end and the second left sliding limit end, the third right sliding limit end is positioned between the first right sliding limit end and the second right sliding limit end, and the second left sliding limit end is positioned between the first left sliding limit end and the first right sliding limit end.
9. The sinker mounting structure with a large stroke rocking effect according to claim 8, wherein a distance between the third right slide limit end and the third left slide limit end is smaller than a distance between the first left slide limit end and the first right slide limit end.
10. The sinker mounting structure with a large stroke oscillating effect according to claim 1, wherein a front end portion of the insert is in hinged engagement with the sinker mounting by a spacer, and the sinker is located between the front end portion of the insert and the spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020414230.3U CN212247365U (en) | 2020-03-27 | 2020-03-27 | Sinker mounting structure with large-stroke swinging effect for computerized flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020414230.3U CN212247365U (en) | 2020-03-27 | 2020-03-27 | Sinker mounting structure with large-stroke swinging effect for computerized flat knitting machine |
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| Publication Number | Publication Date |
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| CN212247365U true CN212247365U (en) | 2020-12-29 |
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| CN202020414230.3U Active CN212247365U (en) | 2020-03-27 | 2020-03-27 | Sinker mounting structure with large-stroke swinging effect for computerized flat knitting machine |
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| Country | Link |
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| CN (1) | CN212247365U (en) |
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