CN101161892A - Flat knitting machine - Google Patents
Flat knitting machine Download PDFInfo
- Publication number
- CN101161892A CN101161892A CNA2007101807253A CN200710180725A CN101161892A CN 101161892 A CN101161892 A CN 101161892A CN A2007101807253 A CNA2007101807253 A CN A2007101807253A CN 200710180725 A CN200710180725 A CN 200710180725A CN 101161892 A CN101161892 A CN 101161892A
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- CN
- China
- Prior art keywords
- needle
- bar
- cam carrier
- straight
- respect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
- D04B15/68—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used
- D04B15/78—Electrical devices
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/32—Cam systems or assemblies for operating knitting instruments
- D04B15/36—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/32—Cam systems or assemblies for operating knitting instruments
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
- Outer Garments And Coats (AREA)
Abstract
The present invention provides a needle selecting device and a flat knitting machine, which can select needles in shiftable flat knitting machine in shift, such that knitting efficiency is improved. A position sensor (18) mounted on a carriage (13) detects concave and convex of a needle selecting meter (11a) arranged in parallel with a needle bed (12), detected signal is processed to calculate out position of the carriage (13). The needle bed (12) can move left and right as indicated by the arrowhead in the attached drawing by a transmission mechanism (19). A controller can detects out changed position of the needle bed (12) caused by moving relative with the flat knitting machine (11) when controlling the transmission mechanism (19). The position of the moved needle bed (12) caused by moving relative with the carriage (13) can be calculated by combining the position of the carriage (13) relative with the flat knitting machine (11) and changed position of the needle bed (12) caused by moving relative with the flat knitting machine (11), such that the needle selecting driver can be controlled to select needles.
Description
Technical field
The present invention relates to a kind of straight-bar machines, during making knit fabric, knitting needle is selected with being equipped on that cam mechanism on the cam carrier drives knitting needle.
Background technology
In the past, in straight-bar machines, on the length direction of needle-bar, be set up in parallel a plurality of knitting needles, cam carrier is moved back and forth along its length, knitting needle was driven and making knit fabric with the cam mechanism that is equipped on the cam carrier.In the braid movement of the knitting needle that drives with cam mechanism, include these the 3 kinds of elemental motions of lopping, tuck and flotation line.Needle-bar before and after knitting needle carries out the tooth mouth of braid movement, makes is relative, when the barring-on before and after can carrying out between the knitting needle of needle-bar, front and back needle-bar traversing relatively promptly shifted, can weave colourful knit stitches.For cam carrier is moved with respect to needle-bar, simultaneously each knitting needle is woven driving according to the weave data of importing in advance, on cam carrier, also be equipped with selecting mechanism (for example with reference to patent documentation 1).
On selecting mechanism, be provided with the needle selection driver, according to the needle selection that carries out knitting needle with respect to the position of the needle-bar of cam carrier.Wherein, the position in the moving of cam carrier is not directly to detect with respect to needle-bar, but according to as the needle selection meter that on the frame at straight-bar machines shown in Figure 2 of patent documentation 1, is provided with separately abreast, utilize sensor to detect with needle-bar.The needle selection meter is carved identical concavo-convex of the pitch establish with knitting needle on metallic plate, can detect the variation with mobile corresponding signal by the Magnetic Sensor that relatively moves with respect to the needle selection meter.If judge the position of cam carrier, then can also calculate the position of the needle selection driver that is equipped on the cam carrier, thus can be to regioselectivity ground driving the carry out needle selection of each needle selection driver according to knitting needle.But, even owing under the state that cam carrier stops, shifting, shog, the position in can not moving with sensor, thereby can not be reflected on the needle selection.Therefore, separately carry out needle selection and transfer, in the moving of cam carrier, carry out needle selection, in the stopping of cam carrier, shift.
Shift motion about cam carrier, also disclose the straight-bar machines with following data processing equipment: described data processing equipment is by the optimization that moves of cam carrier, can be defined as the shift motion (for example, with reference to patent documentation 2) of minimum required in the formation of coil.In patent documentation 2, the data of the relevant knitted fabric width of reference, shog, the current coil column that will form, next coil column in the time of the position of the yarn feeding device of detection cam carrier position, cam carrier moving direction and supply stocking yarn.Be included in the microprocessor in the optimized circuit, when the knitting needle selecting arrangement makes the required whole knitting needle startings of coil column, supply with the output signal that produces minimum cam carrier shift motion with respect to the knitted fabric width to the cam carrier drive motor.But, how to be reflected in the cam carrier shift motion, without any record about shog.Under situation about shifting, think to be necessary to make cam carrier to move to outside the traversing scope.
Patent documentation 1: Japan shows the 2003-091490 communique again
Patent documentation 2: No. 2627522 communique of Japan Patent
In straight-bar machines, carry out needle selection according to position with respect to the detected cam carrier of straight-bar machines as patent documentation 1,2.In this needle selecting device,, in the stopping of cam carrier, shift for the influence that prevents to be shifted in the needle selection.Separately carry out needle selection and when shifting, in the moving of the cam carrier that carries out needle selection, also need to tackle the processing of appending of transfer impact.Its result, it is big that the shift motion of cam carrier becomes, thereby cause the reduction of braid efficiency.
Summary of the invention
The object of the present invention is to provide a kind of straight-bar machines, when shifting, carry out the needle selection in the transferable straight-bar machines, thereby can improve braid efficiency.
Straight-bar machines of the present invention, by being equipped on knitting needle is driven along the cam mechanism of tooth mouth on the cam carrier that the length direction of needle-bar moves back and forth, can also make the traversing along its length transfer of needle-bar, it is characterized in that, comprise: the cam carrier position detection unit, detect the position of cam carrier with respect to straight-bar machines; Branch control unit, the control of shifting; The needle-bar position detection unit detects the position of needle-bar with respect to straight-bar machines; Position calculation unit, according to by the detected needle-bar of needle-bar position detection unit with respect to the position of straight-bar machines and by the position of the detected cam carrier of cam carrier position detection unit with respect to straight-bar machines, calculate the position of cam carrier with respect to needle-bar; With the needle selection control module,, in the moving of needle-bar that transfer causes, control and carry out the selection of knitting needle according to the position of the cam carrier that calculates by position calculation unit with respect to needle-bar.
And in the present invention, it is characterized in that above-mentioned branch control unit is controlled, break away from the braiding end and shift after stopping with above-mentioned cam carrier in the woven stitch line before this transfer.
And in the present invention, it is characterized in that above-mentioned branch control unit is controlled, in the moving of above-mentioned cam carrier, to shift.
The invention effect
According to the present invention, detect cam carrier and needle-bar and calculate the position of cam carrier with respect to needle-bar with respect to the position of straight-bar machines.Because according to the position of the cam carrier that is calculated with respect to needle-bar, in the moving of needle-bar that transfer causes, carry out selection with respect to knitting needle, thereby needle-bar when shifting and relative the moving between the cam carrier, can carry out needle selection effectively, improve braid efficiency.
And, carry out needle selection during the transfer that can carry out in that cam carrier is stopped according to the present invention.The stop position of cam carrier need not to separate more than the traversing amplitude that shifts from the knitting width of knitted fabric, and the shift motion of cam carrier is reduced and the raising braid efficiency.
And,, also can carry out needle selection based on the positional information that comprises transfer impact even in the moving of cam carrier, shift according to the present invention.Owing to the braid movement that can comprise in the moving of cam carrier shifts, thereby can improve braid efficiency.
Description of drawings
Fig. 1 is the block diagram of reduced representation as the brief configuration of the straight-bar machines 11 of an embodiment of the invention.
Fig. 2 is illustrated in the straight-bar machines 11 of Fig. 1, the flow chart of the method for selecting needle when cam carrier is shifted after the braiding end of knitted fabric stops.
Fig. 3 is illustrated in the straight-bar machines 11 of Fig. 1, the flow chart of the method for selecting needle when shifting in the moving of cam carrier.
Fig. 4 is the block diagram of system architecture of the summary of expression controller 20 that the straight-bar machines 11 of Fig. 1 is controlled.
The specific embodiment
Fig. 1 schematic representation is as the brief configuration of the straight-bar machines 11 of an embodiment of the invention.In straight-bar machines 11, along the length direction of needle-bar 12, cam carrier 13 can move back and forth and carry out the braiding of knitted fabric 14.On cam carrier 13, be equipped with respectively 1 or organize cam mechanism 15 more, the front and back at the moving direction of cam mechanism 15 dispose needle selection driver 16 respectively.On cam carrier 13, also be provided with by needle selection driver 16 and undertaken each knitting needle being return the triangle 17 that resets of original state before the needle selection.Detect the concavo-convex of the needle selection meter 11a that on straight-bar machines 11, is provided with abreast by being equipped on position sensor 18 on the cam carrier 13, the signal that obtains is handled and calculated the position of cam carrier 13 with needle-bar 12 as the cam carrier position detection unit.In Fig. 2 of patent documentation 1, disclose this structure by needle selection meter 11a and position sensor 18 detection positions.Needle-bar 12 can pass through transfer device 19, as shown by arrows along the accompanying drawing move left and right.The cam carrier 13 of straight-bar machines 11, the control of transfer device 19 are undertaken by controller 20.
In Fig. 1, the state that temporarily stops during expression cam carrier 13 counter-rotating moving directions.Cam carrier 13 stops at the right positions of the knitting width of knitted fabric 14.Right side at knitted fabric 14 weaves between the left side edge of end and cam carrier 13, need not to separate the interval of shifting the traversing width extent that causes.When carrying out needle-bar 12 under the state that stops cam carrier 13 to right-hand traversing transfer, because cam carrier 13 is with respect to needle-bar 12 left lateral relatively, thereby cam carrier 13 counter-rotating moving directions and the needle selection that carries out when beginning left lateral earlier.
In order to carry out needle selection, when shifting, also need detect the position of cam carrier 13 with respect to needle-bar 12.Cam carrier 13 is stopped and when shifting, the variation of the position of can occurrence positions sensor 18 not detecting.But, the position of the needle-bar 12 that changes because of transfer when controller 20 can detect control transfer device 19.Make cam carrier 13 that position sensor 18 detects position grouping with respect to the position of straight-bar machines 11 and the needle-bar 12 that changes with respect to the straight-bar machines 11 in shifting, then can obtain and shift the needle-bar 12 cause change in location, thereby can control needle selection driver 16 and carry out needle selection with respect to cam carrier 13.
Fig. 2 schematic representation comprises the braid movement of the straight-bar machines 11 of the needle selection action when shifting.A0 takes up one's knitting from step, carries out common braiding in step a1.Common braiding owing to do not comprise transfer, thereby according to detect by position sensor 18 move in the variation of position of cam carrier 13 carry out needle selection.In step a2, cam carrier 13 is stopped in knitted fabric 14 ends that woven.At step a3, judge whether braiding finishes.Be judged as braiding when not finishing, a4 has judged whether transfer in step.Having under the situation of transfer, a5 shifts in step.In the time of in transfer, can carrying out the needle selection action, shift and needle selection.Be judged as the transfer of step a5 and needle selection and finish, or when step a4 does not shift, the counter-rotating that begins to carry out cam carrier 13 at step a6 is moved, and returns step a1.When step a3 is judged as the braiding end, when carrying out terminal processes, finishes step a7 braid movement.
The braid movement of the straight-bar machines 11 that Fig. 3 schematic representation shifts in the moving of cam carrier 13.B0 takes up one's knitting from step, carries out common braiding in step b1.Whether at step b2, judging has transfer in common braiding.Having under the situation of transfer, b3 shifts in step.In the time of in transfer, can carrying out the needle selection action, carry out needle selection.As shown in Figure 1, detect the position of cam carrier 13 with respect to straight-bar machines 11 with position sensor 18.Needle-bar 12 in the transfer that detection transfer device 19 causes is with respect to the position of the straight-bar machines 11 in shifting, position grouping with cam carrier 13, then the direction that no matter shifts is the direction identical with the moving direction of cam carrier 13, still opposite direction can both calculate the position of cam carrier 13 with respect to needle-bar 12 equally.The transfer and the needle selection that are judged as step b3 finish, or when step b2 does not shift, at step b4 cam carrier 13 are stopped in the end of the knitted fabric 14 that is woven.At step b4, judge whether braiding finishes.Be judged as braiding when not finishing, the counter-rotating that begins cam carrier 13 at step b6 is moved, and returns step b1.When step b5 is judged as the braiding end, when carrying out terminal processes, finishes step b7 braid movement.
Fig. 4 represents the concise and to the point system architecture of controller 20 that the straight-bar machines 11 of Fig. 1 is controlled.In straight-bar machines 11, owing to, be respectively equipped with cam carrier 13, thereby control by preceding cam carrier 21 and Vee formation seat balladeur train 22 respectively with respect to each needle-bar 12 of front and back.The cam carrier 13 of each needle-bar is with respect to the position of the frame of straight-bar machines 11, the output of the position sensor 18 of the striped of concavo-convex, the light and shade that is provided with according to the pitch that detects corresponding knitting needle on needle selection 11a shown in Figure 1 in electromagnetism or optical mode etc. is detected by cam carrier position biphase signaling test section 23.Traversing in the transfer of front and back needle-bar 12 as the position of needle-bar 12 with respect to the frame of straight-bar machines 11, is used as the preceding transfer encoder 24 of needle-bar position detection unit and back and shifts encoder 25 and detect respectively.As carry out with stepper motor under the situation of driving of transfer device of Fig. 1, directly detect without encoder and shift the traversing of the needle-bar 12 that causes, also can be according to the inputs and traversing suitable signal such as umber of pulse of the output signal of the driving of shifting.The needle selection driver 16 of the cam carrier 13 of front and back needle-bar 12 is driven by Das Vorderradfahrwerkmit Vorderradantrieb ON/OFF efferent 26 and rear drive device ON/OFF efferent 27 respectively.
Because the inside of preceding cam carrier control part 21 and Vee formation seat balladeur train control part 22 has substantially the same structure, thereby only preceding cam carrier control part 21 is described, and omit Vee formation seat balladeur train control part 22.In preceding cam carrier control part 21,, include unit converter section 31, cam carrier speed calculation portion 32, velocity correction portion 33 and needle selection data store 34 as software handling part 30.As hardware handles portion 40, include cam carrier location counter 41, adder 42, outgoing position determinant 43 and driver ON/OFF setting apparatus 44.
The corresponding whole needle-bar 12 of the needle selection data of storage in needle selection data store 34.These needle selection data are carried out the CPU50 output of whole control from the braid movement to straight-bar machines 11.CPU50 makes the data combination of storing in advance and imports corresponding each woven stitch line output needle selection data as weave data 53 in knitted fabric data store 51 and knitted fabric parameter storage part 52.In knitted fabric data store 51, generate and store in advance and relevant data such as the shape of the knitted fabric that will weave, decorative pattern, employed stocking yarn.In braiding parameter storage part 52, store in straight-bar machines 11 parameter required in order to weave.CPU50 is according to the data of each row of correspondence of being exported, and control cam carrier drive division 54 drives direction, speed, the moving range of cam carrier 13.Detect the position of the cam carrier 13 that changes because of driving by position sensor 18.Before and after transfer traversing of needle-bar 12, according to the data of CPU50 output, drives the transfer device 19 of front and back respectively and carries out by shifting drive division 55.As the position of front and back needle-bar 12, shift the result that encoder 25 detects this driving respectively by preceding transfer encoder 24 and back.
Cam carrier 13 is with respect to the position of front and back needle-bar 12, as the output of adder 42 and be input among the CPU50.Unit converter section 31, cam carrier speed calculation portion 32, velocity correction portion 33, cam carrier location counter 41 and adder 42 work with respect to the position calculation unit of the position of needle-bar 12 as calculating cam carrier 13.CPU50, as according to the position of cam carrier 13 with respect to needle-bar 12, control is carried out the needle selection control module of knitting needle selection and is worked in the moving of needle-bar 12 that transfer causes.
Claims (3)
1. straight-bar machines drives knitting needle by being equipped on along the cam mechanism of tooth mouth on the cam carrier that the length direction of needle-bar moves back and forth, and can also make the traversing along its length transfer of needle-bar, it is characterized in that, comprising:
The cam carrier position detection unit detects the position of cam carrier with respect to straight-bar machines;
Branch control unit, the control of shifting;
The needle-bar position detection unit detects the position of needle-bar with respect to straight-bar machines;
Position calculation unit, according to by the detected needle-bar of needle-bar position detection unit with respect to the position of straight-bar machines and by the position of the detected cam carrier of cam carrier position detection unit with respect to straight-bar machines, calculate the position of cam carrier with respect to needle-bar; With
The needle selection control module according to the position of the cam carrier that is calculated by position calculation unit with respect to needle-bar, is controlled in the moving of needle-bar that transfer causes and is carried out the selection of knitting needle.
2. straight-bar machines according to claim 1 is characterized in that described branch control unit is controlled, and breaks away from the braiding end and shifts after stopping with cam carrier described in the woven stitch line before this transfer.
3. straight-bar machines according to claim 1 is characterized in that described branch control unit is controlled, to shift in the moving of described cam carrier.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-278048 | 2006-10-11 | ||
| JP2006278048 | 2006-10-11 | ||
| JP2006278048A JP5079298B2 (en) | 2006-10-11 | 2006-10-11 | Flat knitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101161892A true CN101161892A (en) | 2008-04-16 |
| CN101161892B CN101161892B (en) | 2011-07-13 |
Family
ID=39185213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101807253A Active CN101161892B (en) | 2006-10-11 | 2007-10-11 | Flat knitting machine |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5079298B2 (en) |
| KR (1) | KR101378725B1 (en) |
| CN (1) | CN101161892B (en) |
| DE (1) | DE102007048863B4 (en) |
| IT (1) | ITTO20070709A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541139A (en) * | 2013-11-01 | 2014-01-29 | 宁波慈星股份有限公司 | Head sensing chip of flat knitting machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5828723B2 (en) * | 2011-09-09 | 2015-12-09 | 株式会社島精機製作所 | Knitting method and apparatus for editing knitting data by flat knitting machine |
| CN108109219A (en) * | 2017-11-20 | 2018-06-01 | 福建睿能科技股份有限公司 | Production wire examination method, system, terminal and the computer storage media of a kind of straight-bar machines |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5685449A (en) * | 1979-12-10 | 1981-07-11 | Shima Idea Center | Yarn guide lever moving control apparatus in traverse knitting machine |
| JPS5691048A (en) * | 1979-12-17 | 1981-07-23 | Shima Idea Center | Racking apparatus of traverse knitting machine |
| JPS5823942A (en) * | 1981-08-05 | 1983-02-12 | 巽精機株式会社 | Molding method and traverse knitting machine used therein |
| DD248615B1 (en) * | 1984-12-27 | 1990-10-10 | Textima Veb K | DEVICE AND METHOD FOR CONTROLLING KNITTING MACHINES |
| DE3614220C1 (en) * | 1986-04-26 | 1987-10-01 | Stoll & Co H | Control magnet arrangement for a pattern device on knitting machines for electrically controlled needle selection |
| DE3707174A1 (en) * | 1986-09-10 | 1988-03-24 | Stoll & Co H | DEVICE FOR CONTROLLING A FLAT-KNITTING MACHINE |
| DE3707178A1 (en) * | 1986-09-10 | 1988-03-24 | Stoll & Co H | DEVICE FOR CONTROLLING A FLAT-KNITTING MACHINE |
| DE3702050A1 (en) * | 1987-01-24 | 1988-08-04 | Stoll & Co H | FLAT KNITTING MACHINE WITH DATA PROCESSING DEVICE |
| DE19756055A1 (en) * | 1997-12-17 | 1999-06-24 | Stoll & Co H | Process for producing a knitted fabric on a flat knitting machine |
| TW548358B (en) * | 2000-08-22 | 2003-08-21 | Shima Seiki Mfg | Weft knitting machine with transfer mechanism and transferring method |
| US6968715B2 (en) * | 2002-04-23 | 2005-11-29 | Shima Seiki Mfg., Ltd. | Magnetic needle selecting device of weft knitting machine |
-
2006
- 2006-10-11 JP JP2006278048A patent/JP5079298B2/en not_active Expired - Fee Related
-
2007
- 2007-10-09 IT IT000709A patent/ITTO20070709A1/en unknown
- 2007-10-09 KR KR1020070101303A patent/KR101378725B1/en active IP Right Grant
- 2007-10-11 DE DE102007048863.9A patent/DE102007048863B4/en not_active Expired - Fee Related
- 2007-10-11 CN CN2007101807253A patent/CN101161892B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541139A (en) * | 2013-11-01 | 2014-01-29 | 宁波慈星股份有限公司 | Head sensing chip of flat knitting machine |
| CN103541139B (en) * | 2013-11-01 | 2015-01-07 | 宁波慈星股份有限公司 | Head sensing chip of flat knitting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20080033078A (en) | 2008-04-16 |
| KR101378725B1 (en) | 2014-03-27 |
| DE102007048863A1 (en) | 2008-04-17 |
| JP2008095235A (en) | 2008-04-24 |
| JP5079298B2 (en) | 2012-11-21 |
| DE102007048863B4 (en) | 2020-09-03 |
| CN101161892B (en) | 2011-07-13 |
| ITTO20070709A1 (en) | 2008-04-12 |
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