CN104088077B - Knitting circular knitting machine upper stitch bed full-jacquard mechanism - Google Patents
Knitting circular knitting machine upper stitch bed full-jacquard mechanism Download PDFInfo
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- CN104088077B CN104088077B CN201410326934.4A CN201410326934A CN104088077B CN 104088077 B CN104088077 B CN 104088077B CN 201410326934 A CN201410326934 A CN 201410326934A CN 104088077 B CN104088077 B CN 104088077B
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Abstract
The open a kind of knitting circular knitting machine upper stitch bed full-jacquard mechanism of the present invention, relates to knitting circular knitting machine mechanical structure field, particularly relates to knitting circular knitting machine upper stitch bed full-jacquard mechanism.Including dials, knitting needle, pattern bit, triangular unit, slide cam selector and reset triangle, described knitting needle tail end is not connected with pattern bit head end；On described pattern bit, interval is formed with lower sheeting pin, jacquard weave tooth and needle jack pin successively；Described triangular unit includes the elevating cam that the knitting cam of corresponding knitting needle setting, the depressing cam of corresponding pattern bit lower sheeting pin setting, corresponding pattern bit needle jack pin are arranged, described depressing cam and elevating cam are respectively formed with wavy sides for forming the motion guide track of pattern bit with lower sheeting pin and needle jack pin moving contact, this full-jacquard mechanism reduces knitting needle and the pattern bit resistance when jacquard weave action, increases the service life of parts.
Description
Technical field
The present invention relates to knitting circular knitting machine mechanical structure field, particularly relate to knitting circular knitting machine upper stitch bed full-jacquard mechanism.
Background technology
Two-sided knitting circular knitting machine includes that upper stitch bed, upper stitch bed are provided with full-jacquard mechanism for the one side of knitting fabric is carried out jacquard weave.Full-jacquard mechanism develops into so far, the action of full-jacquard mechanism is all to be pushed knitting needle by pattern bit to complete whole braiding process, when withdrawal of needle, pattern bit pushes knitting needle, and when pressing, knitting needle has not only needed the pressing action of self, also need to push to pattern bit the original position of pattern bit, it is just that this process adds resistance to knitting needle and pattern bit and concentrates wear point, this not only makes the wear point of two elements excessively concentrate and causes reduce but also in the load too increasing loom virtually the service life of pattern bit and knitting needle, even there will be braiding, jacquard weave action is unstable, misoperation, cause the jacquard effect affecting on fabric.
Such as Chinese Patent Application No. 201310500596.7, October 23 2013 applying date, a kind of two-sided upper and lower computer jacquard circular machine disclosed in 15 days January in 2014 of Shen Qing Publication day, having upper needle selection jacquard attachment, described upper needle selection jacquard attachment includes top cylinder, knitting needle, pattern bit and for driving described pattern bit and knitting needle to complete multichannel slide cam selector and the triangle device of jacquard weave action；Described top cylinder is provided with some needle trays laying described knitting needle, pattern bit, and described pattern bit head end is interlocked with described knitting needle, described pattern bit drive described knitting needle to complete out pin action；Described pattern bit has the sheet tooth coordinated with described needle selector tool bit activity, and described pattern bit tail end top is provided with work heel, and bottom is provided with reset heel, and described reset heel has run-out and supports heel；Described triangle device includes that elevating cam and reset triangle, described elevating cam have the raised face making described work heel slip release；Before described reset triangle is arranged at the station of described elevating cam, described reset triangle has described pattern bit lifting face on raised face described in reset paper from described needle tray；Described slide cam selector optionally presses described tooth makes described work heel depart from the raised face of described elevating cam；The curved shape of described pattern bit (more specifically structure refers to specification and the Figure of description of this patent application publication).The head end of the pattern bit in this patent application is interlocked with described knitting needle, both mutually affect, and pattern bit curved embedding needle tray, tension force is produced with the cell wall of needle tray, the most i.e. increase resistance, resistance increases abrasion and naturally also increases, knitting needle also reduced with the service life of pattern bit, wear rate is high, after some time of use it is possible that defect as above, need to change knitting needle and pattern bit in time, and the most also increase the living load of knitting circular knitting machine, load increases driving power and naturally also increases.
Summary of the invention
It is an object of the invention to provide a kind of knitting circular knitting machine upper stitch bed full-jacquard mechanism, it can solve the problem that weak point of the prior art, enable parts persistently, steadily, action accurately.
nullFor achieving the above object，The technical scheme is that a kind of knitting circular knitting machine upper stitch bed full-jacquard mechanism，Including the dials being provided with needle tray、The knitting needle being placed in needle tray and pattern bit、It is arranged on above dials and supplies and knitting needle and the triangular unit of pattern bit interoperation、It is arranged on above dials for stirring the slide cam selector choosing pattern bit、And be arranged on below pattern bit tail end for the reset triangle by pattern bit top to state to be selected，Described triangular unit includes the elevating cam that the knitting cam that corresponding knitting needle is arranged is arranged with corresponding pattern bit，Described knitting cam is formed with the two-way movement locus for needle motion，The braiding track imported from jacquard weave track when described two-way movement locus includes jacquard weave track and the needle motion of motion when knitting needle is failure to actuate and knitting needle can be made automatically to be back to jacquard weave track，Described knitting needle tail end is not connected with pattern bit head end；On described pattern bit and the relative side of triangular unit, interval is formed with lower sheeting pin, jacquard weave tooth and needle jack pin successively；Described triangular unit also includes the depressing cam being arranged between knitting cam and elevating cam, described depressing cam correspondence pattern bit lower sheeting pin is arranged, described elevating cam correspondence pattern bit needle jack pin is arranged, described depressing cam is formed with wavy sides and pushes knitting needle for making the guide track of pattern bit back pressure, described elevating cam be formed with wavy sides with lower sheeting pin moving contact enter the promotion track of braiding track for making pattern bit advance with needle jack pin moving contact；It is additionally provided with after pattern bit has pushed knitting needle between tail end and the dials of described pattern bit, during back pressure, plays the position limiting structure of position-limiting action.
Described position limiting structure is to be formed with position-limit foot on the side that described pattern bit tail end is relative with needle tray bottom land, and on the needle tray of described dials, be additionally provided with can the stopper slot of positioning limit pin in the position of corresponding pattern bit position-limit foot.
The wavy sides of described elevating cam and needle jack pin are to be prevented from the corresponding inclined plane that pattern bit falls because of deadweight to the contact surface of elevating cam wavy sides.
By using technique scheme, the invention has the beneficial effects as follows: compared with prior art, the improvement of the present invention is between knitting needle and pattern bit to be not connected with, pattern bit is advanced by elevating cam equally during withdrawal of needle, pattern bit pushes knitting needle and enters braiding track, and return (i.e. the pressing) of pattern bit is pattern bit back pressure, knitting needle automatically to be return along braiding track along the guide track of depressing cam by the lower sheeting pin on pattern bit.
So, knitting needle the most once touches in completing a jacquard weave course of action with pattern bit, both each return, the most mutually affect, thus can efficiently solve in prior art and cause the problem that resistance is big because being implicative of each other, the living load that resistance reduces machinery is the most relatively reduced, drives power naturally can reduce and has energy-conservation effect；The conflict action cooperated between parts is few, wear point dispersion during action, reduces the abrasion of parts, i.e. adds the service life of each parts, reduce wear rate, it also avoid because abrasion causes greatly the loaded down with trivial details cooperation of each parts to be difficult to the required precision grasped simultaneously.
Also have, positioning action is played in pattern bit restriction of limited location pin and stopper slot when by depressing cam back pressure, it can be avoided that inertia buffering during back pressure quick because of depressing cam makes its positioning, causing reset triangle accurately to be resetted by pattern bit, causing pattern bit to be failure to actuate affects jacquard effect.
Additionally, overcome the problem that pattern bit deadweight is fallen, fall though the mode that prior art uses solves deadweight, but but bring that resistance is big, abrasion is big, the problem even affecting jacquard weave precision, and the present invention by arrange can be anti-fall corresponding inclined plane, simple in construction and not being negatively affected.Sum it up, the full-jacquard mechanism of the present invention can persistently keep stable action, accurately, and increase the service life of parts.
Accompanying drawing explanation
Fig. 1 is the structural representation of the knitting circular knitting machine of the application embodiment of the present invention；
Fig. 2 is the sectional structure schematic diagram of embodiment of the present invention knitting circular knitting machine upper stitch bed full-jacquard mechanism；
Fig. 3 is embodiment of the present invention intermediate cam unit and knitting needle, the structural representation of pattern bit；
Fig. 4 is the structural representation of pattern bit withdrawal of needle state in the embodiment of the present invention；
Fig. 5 is the structural representation of pattern bit back pressure state in the embodiment of the present invention；
Fig. 6 is the structural representation of pattern bit reset state in the embodiment of the present invention；
Fig. 7 is reset triangle and the structural representation of pattern bit homing action in the embodiment of the present invention；
Fig. 8 is the structural representation of pattern bit state to be selected in the embodiment of the present invention；
Fig. 9 is the structural representation of the selected state of pattern bit in the embodiment of the present invention.
Detailed description of the invention
Below by combining the drawings and specific embodiments to describe embodiments of the present invention in detail, in order to the present invention fully understand.
As it is shown in figure 1, be the structural representation of the knitting circular knitting machine of the application embodiment of the present invention.
A kind of knitting circular knitting machine upper stitch bed full-jacquard mechanism, as in figure 2 it is shown, include dials 1, the knitting needle 2 and the knitting needle 3 that are placed in needle tray, be arranged on above dials 1 for knitting needle 2 and the triangular unit 4 of pattern bit 3 interoperation, be arranged on above dials 1 for stirring the slide cam selector 5 choosing pattern bit and being arranged on below pattern bit 3 tail end for pattern bit 3 being pushed up the reset triangle 6 to state to be selected.
As shown in Figure 2, Figure 4 shows, described knitting needle 2 is placed on the front of pattern bit 3, and the tail end of described knitting needle 2 is not connected with the head end of pattern bit 3；It is spaced successively from head end to tail end on described pattern bit 3 and the relative side of triangular unit 4 and is formed with lower sheeting pin 31, jacquard weave tooth 32 and needle jack pin 33, being formed with position-limit foot 34 on the side that described pattern bit 3 is relative with needle tray 11 bottom land, on the needle tray 11 of described dials 1, be additionally provided with can the stopper slot 12 of positioning limit pin 34 in the position of corresponding pattern bit 3 position-limit foot 34.
As shown in Figure 2 and Figure 3, described triangular unit 4 includes the elevating cam 43 that the knitting cam 41 of corresponding knitting needle 2 setting, the depressing cam 42 of corresponding pattern bit 3 lower sheeting pin 31 setting, corresponding pattern bit 3 needle jack pin 33 are arranged successively；Described depressing cam 42 is formed with wavy sides 42a for making the guide track of pattern bit 3 back pressure with lower sheeting pin 31 moving contact, described elevating cam 43 is formed with wavy sides 43a and enters the promotion track of braiding track B for making pattern bit 3 advance propelling movement to knit 2 pins with needle jack pin 33 moving contact, as can be seen from the figure lower sheeting pin 31 and needle jack pin 33 move at the wavy sides 42a(43a of depressing cam 42 and elevating cam 43) between, two wavy sides 42a(43a) waveform echo mutually；The wavy sides 43a of described elevating cam 43 and needle jack pin 33 are to be prevented from the corresponding inclined plane that pattern bit 3 falls because of deadweight, as shown in FIG. to the contact surface of elevating cam 43 wavy sides 43a；Described knitting cam shape 41 one-tenth has the two-way movement locus for knitting needle 2 motion, import from jacquard weave track A when described two-way movement locus includes jacquard weave track A and knitting needle 2 action of motion when knitting needle 2 is failure to actuate and knitting needle 2 can be made automatically to return the braiding track B of jacquard weave track A, as shown in Figure 2, the entrance and exit of braiding track B is both on jacquard weave track A, active gage pin 21 it is formed with on knitting needle 2, in active gage pin 21 embedded movement locus.
As shown in Figure 2, jacquard weave tooth 32 section of the corresponding pattern bit 3 of described slide cam selector 5 is arranged, and the needle selecting knife 5 of slide cam selector 5 is for stirring the jacquard weave tooth 32 of the pattern bit 3 choosing correspondence.
Its operation principle is:
Full-jacquard mechanism enters duty, the active gage pin 21 of knitting needle 2 is on jacquard weave track A, reset triangle 6 is by the tail end overhead state to be selected of pattern bit 3, the i.e. lower sheeting pin 31 of pattern bit 3, jacquard weave tooth 32 and needle jack pin 33 is embedded in the wavy sides 42a(43a of depressing cam 42 and elevating cam 43) between, as shown in Fig. 6, Fig. 8；Dials 1 rotates, slide cam selector 5 works, the pattern bit 3 do not chosen by the needle selecting knife 51 of slide cam selector 5 is along with the rotation of dials 1, needle jack pin 33 is drive on boldly along the wavy sides 43a of elevating cam 43, (it is corresponding inclined plane due to the wavy sides 43a of elevating cam 43 and needle jack pin 33 to the contact surface of wavy sides 43a here to the crest of wavy sides 43a, it is possible to prevent pattern bit 3 from falling because of deadweight), as shown in Figure 2, Figure 3, Figure 4；Pattern bit 3 is pushed out, being the withdrawal of needle state of pattern bit 3, the tail end on the head end top of pattern bit 3 to knitting needle 2 also promotes knitting needle 2, and now the active gage pin 21 of knitting needle 2 imports to weave track B from jacquard weave track A, and travel out pin along braiding track B, carry out extracting yarn braiding；nullKnitting needle 2 continues on along braiding track B and is back to jacquard weave track A，I.e. knitting needle 2 is narrowed，Simultaneously，The pressing sheet pin 31 of pattern bit 3 is traveling on the wavy sides 42a of depressing cam 42，Along with the waveform of wavy sides 42a is advanced，Pattern bit 3 is by back pressure，With reference to Fig. 3、Shown in Fig. 5，Herein, pattern bit 3 is in the wavy sides 43a departing from elevating cam 43 by needle jack pin 33 during back pressure，So when pressing sheet pin 31 is by back pressure，The head end of pattern bit 3 is stressed with needle tray 11 bottom land one fulcrum of formation and conducts oneself with dignity and makes the tail end bottom of pattern bit 3 drop down onto needle tray 11 bottom land，Pattern bit 3 upper limit pin 34 embeds interior the location by pattern bit 3 of stopper slot 12 of needle tray 11 bottom land and (causes pattern bit 3 positioning because inertia buffers when being prevented from back pressure after pattern bit 2 has pushed knitting needle 2，I.e. play the position limiting structure of position-limiting action)；The most again by reset triangle 6 by the tail end overhead state to be selected of pattern bit 3, as it is shown in fig. 7, it is to be selected to enter next round.
nullPattern bit 3 is from state to be selected to selected state such as Fig. 8、Shown in Fig. 9，In the needle selecting knife 51 of slide cam selector 5 breach between the jacquard weave tooth 32 of pattern bit 3，During work，The corresponding needle selecting knife 51 that computer sets swings and compresses should the jacquard weave tooth 32 of pattern bit 3 of needle selecting knife 51，This pattern bit 3 is pressed down，Needle selecting knife 51 return，The needle jack pin 33 of this pattern bit 3 departs from elevating cam 43 and falls in needle tray 11，Pattern bit 3 is positioned in embedding the stopper slot 12 of needle tray 11 bottom land by pattern bit 3 upper limit pin 34，The most selected，Elevating cam 43 cannot drive pattern bit 3 to advance，Pattern bit 3 is failure to actuate，This takes turns knitting needle 2 and is traveling on jacquard weave track A and does not go out pin，The most again by reset triangle 6 by the tail end overhead state to be selected of pattern bit 3，As shown in Figure 7，Entrance next round is to be selected，So achieve the jacquard effect on knitting fabric.
Be only this origination techniques content preferred embodiment in sum, be not used for limiting the practical range of the present invention, i.e. the equivalence that Fan Yiben author content is made changes and modifies, all should belong to the technology category that this creation is advocated.
Claims (2)
1. a knitting circular knitting machine upper stitch bed full-jacquard mechanism, including the dials being provided with needle tray, the knitting needle being placed in needle tray and pattern bit, it is arranged on above dials and supplies and knitting needle and the triangular unit of pattern bit interoperation, it is arranged on above dials for stirring the slide cam selector choosing pattern bit, and be arranged on below pattern bit tail end for the reset triangle by pattern bit top to state to be selected, described triangular unit includes the elevating cam that the knitting cam that corresponding knitting needle is arranged is arranged with corresponding pattern bit, described knitting cam is formed with the two-way movement locus for needle motion, the braiding track imported from jacquard weave track when described two-way movement locus includes jacquard weave track and the needle motion of motion when knitting needle is failure to actuate and knitting needle can be made automatically to be back to jacquard weave track, it is characterized in that: described knitting needle tail end is not connected with pattern bit head end；On described pattern bit and the relative side of triangular unit, interval is formed with lower sheeting pin, jacquard weave tooth and needle jack pin successively；Described triangular unit also includes the depressing cam being arranged between knitting cam and elevating cam, described depressing cam correspondence pattern bit lower sheeting pin is arranged, described elevating cam correspondence pattern bit needle jack pin is arranged, described depressing cam is formed with wavy sides and pushes knitting needle for making the guide track of pattern bit back pressure, described elevating cam be formed with wavy sides with lower sheeting pin moving contact enter the promotion track of braiding track for making pattern bit advance with needle jack pin moving contact；It is additionally provided with after pattern bit has pushed knitting needle between tail end and the dials of described pattern bit, the position limiting structure of position-limiting action is played during back pressure, described position limiting structure is to be formed with position-limit foot on the side that described pattern bit tail end is relative with needle tray bottom land, and on the needle tray of described dials, be additionally provided with can the stopper slot of positioning limit pin in the position of corresponding pattern bit position-limit foot.
A kind of knitting circular knitting machine upper stitch bed full-jacquard mechanism the most according to claim 1, it is characterised in that: the wavy sides of described elevating cam and needle jack pin are to be prevented from the corresponding inclined plane that pattern bit falls because of deadweight to the contact surface of elevating cam wavy sides.
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| CN201410326934.4A CN104088077B (en) | 2014-07-10 | 2014-07-10 | Knitting circular knitting machine upper stitch bed full-jacquard mechanism |
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| CN201410326934.4A CN104088077B (en) | 2014-07-10 | 2014-07-10 | Knitting circular knitting machine upper stitch bed full-jacquard mechanism |
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| CN104088077B true CN104088077B (en) | 2016-08-24 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104452073A (en) * | 2014-12-10 | 2015-03-25 | 柳州海华针织机械有限公司 | Double-side pattern bit of computerized jacquard machine and improved cancellation cam structure |
| CN106637649B (en) * | 2017-02-20 | 2023-04-14 | 福建佰源智能装备股份有限公司 | Up-down loop transfer jacquard control mechanism of circular knitting machine |
| CN109208166B (en) * | 2018-11-26 | 2024-04-19 | 赵益峰 | Napping jacquard needle moving system and needle moving method thereof |
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| CN202688622U (en) * | 2012-06-19 | 2013-01-23 | 林旭跃 | Jacquard weave improvement structure of knitting machine |
| CN203411738U (en) * | 2013-08-28 | 2014-01-29 | 广东慈星电脑横机制造有限公司 | Needle plate device of single-system flat knitting machine |
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| US4538431A (en) * | 1982-04-20 | 1985-09-03 | Lonati S.P.A. | Circular knitting machine incorporating a device for renewing a needle selection at at least one yarn feed |
| US5095721A (en) * | 1989-05-11 | 1992-03-17 | Savio S.P.A. | Needle section device having rocker levers in a circular machine |
| GB2352733A (en) * | 1999-08-05 | 2001-02-07 | Pai Lung Machinery Mill Co Ltd | Computer-controlled dial needle selection structure for a circular knitting machine |
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