Double face automatic loop transfer narrowing device for flat knitting machine
Technical field
The present invention relates to a kind of automatic ticker of flat machine, especially relate to a kind of ticker that can make flat machine realize two-sided automatic barring-on narrowing function.
Background technology
At present, the braiding of hand flat machine is still generally used in many knitting mills, and working strength of workers is big, particularly the adding pin and subtract the operation of pin of sweater, makes braid efficiency low, and labour cost is big, and hosiery trade faces the problem that is difficult to advertise for workers again.And costing an arm and a leg of full-automatic computer flat machine still can't be popularized use.Therefore very need automaton cheaply on the market, the automatic needle adder of succeeding in developing has in recent years obtained promoting the use of of many producers, is that computer is knitted leader in addition, and can add pin automatically, moves bed and the triangle Multi Role Aircraft etc. of control automatically automatically.But these machines all can't be realized automatic narrowing, need to make that with artificial narrowing the scope of application of machine is little, when braiding garment piece and sleeve sheet, also need a large amount of manually-operateds, can not significantly improve braid efficiency, therefore developing the machine that can narrow has automatically become the urgent requirement in market.
And more existing automatic tickers, a kind of is to copy pin coil directly to be taken off, also will be through the operation of road stitching later, and coil just can not be decoherenced, and only is applicable on the low-grade sweater; Another kind is imitative manual fully action, can carry out the narrowing of barring-on, but its defective be can only the single face needle-bar narrowing, only be applicable to the fabric of knitting single face.Notification number provides a kind of have at least one needle-bar and the straight-bar machines along the cam carrier of needle-bar slip for the utility model patent of CN1269435, and this balladeur train has the knitting triangle system of a band needle selecting device and sitch cam at least; The kinking parts that are installed in movingly on the sitch cam always act synergistically with sitch cam, and the former controls with can being independent of sitch cam and jointly forms kinking face different size or shape according to its position with sitch cam.Notification number provides a kind of flat machine for the utility model patent of CN2312233, be provided with support, the head rail that is connected with support respectively, frame support, the front and back needle-bar, be contained in the knitting needle on the needle-bar, be contained in the head assembly on the head rail, be contained in the shuttle box on the shuttle box guide rail that is connected with support, high shuttle assembly and short shuttle assembly, be contained in the spanner assembly of support left end and the needle-bar elevating mechanism that is connected with support, interior outer stay respectively with the head assembly before, the Vee formation base plate flexibly connects, in, one end of outer stay flexibly connects with two ends, other angle respectively by the stock screw of fixedlying connected with it, other angle flexibly connects with the supporting plate that is fixed on the head assembly tap, and other angle handle is connected with other angle.This machine operation is convenient, favourable raising work efficiency.Notification number mainly comprises frame for the utility model patent of CN2576740 provides a kind of folding and unfolding needle device of flat machine, and the top of frame is equipped with guide rod, and guide rod is provided with card and shuttle box, and the downside of shuttle box is equipped with shuttle; Leading screw also is installed on frame, the both sides of leading screw are respectively arranged with one section screw thread, and the hand of spiral of these two sections screw threads is opposite, on these two sections screw threads of leading screw, be respectively arranged with a regulating block, described shuttle box is arranged on the centre of these two regulating blocks, and the commutation piece of two ends wedgewise is installed on regulating block; On leading screw and frame, also be provided with the drive unit that can drive the leading screw rotation.Notification number provides a kind of improved flat machine ticker for the utility model patent of CN2637517, comprise that an end has female pin of annular pinprick and female pin fixed head that fixing female pin is used, wherein female pin fixed head is made up of last female pin fixed head and following female pin fixed head; On the position of last female pin fixed head and the inboard correspondence mutually of down female pin fixed head, be provided with and be used for fixing female pin female pin detent that matches with rear shape female pin that use; On last female pin fixed head and following female pin fixed head, also be provided with the fixture that is used to be connected and fixed female pin fixed head and following female pin fixed head.
Summary of the invention
The objective of the invention is to narrow automatically or can only finish the pin of copying of knocking at existing semi-automatic flat knitting machine, or can only narrow by single face, need a large amount of manually-operateds, braid efficiency is low, shortcomings such as the scope of application is little provide a kind of double face automatic loop transfer narrowing device for flat knitting machine that improves braid efficiency.
The present invention is provided with 2 cover tickers, and 2 cover tickers are located at the anterior right side and the right side, rear portion of flat machine head respectively.Every cover ticker is provided with withdraw of the needle piece, push-scrape needle piece, cover thorn group, torsion spring, fixed axis, backing pin, cover thorn slide, upper left guide rod, lower-left guide rod, upper right guide rod, bottom right guide rod, stage clip, push-scrape needle cam, withdraw of the needle cam, chases after needle cam, push-scrape needle fork, withdraw of the needle fork, chases after pin fork, little bearing, stepper motor, belt, belt pulley and shell.
Push-scrape needle is packaged, and the push-scrape needle piece can slide on guide rod on upper left guide rod and lower-left guide rod, can not rotate, stage clip is located between push-scrape needle piece and shell left side wall, the upper end of push-scrape needle piece is connected with the push-scrape needle fork, and push-scrape needle piece lower end is a draw-in groove, and the pin heel of the knitting needle on the needle-bar is positioned at draw-in groove;
Cover thorn slide is contained on upper left guide rod and the upper right guide rod, cover thorn slide can slide on guide rod, can not rotate, be provided with stage clip between cover thorn slide and shell right side wall, the cover thorn is mounted on the head of cover thorn slide, cover thorn group can be established 7~9 spiders thorn, cover thorn group is fixed as one, fixed axis is located between cover thorn group and the cover thorn slide, and cover thorn group can be rotated around fixed axis, and the fixed axis place is provided with torsion spring, backing pin is positioned at cover thorn group the place ahead and is fixed on the shell, when cover thorn group was not run into backing pin, torsion spring play a part to reset, the upper end of cover thorn slide with chase after the pin fork and be connected;
The withdraw of the needle is packaged, and withdraw of the needle piece can slide on guide rod on upper right guide rod and bottom right guide rod, can not rotate, and is provided with stage clip between withdraw of the needle piece and shell left side wall, and withdraw of the needle piece upper end is connected with withdraw of the needle fork, and withdraw of the needle piece lower end projection is positioned at the pin heel top of knitting needle on the needle-bar;
The push-scrape needle cam, chase after needle cam, withdraw of the needle cam, the push-scrape needle fork, chase after the pin fork, withdraw of the needle fork, little bearing and stepper motor etc. are formed the cam drive part, the push-scrape needle fork, chase after the pin fork, the upper end of withdraw of the needle fork is articulated on the shell, the push-scrape needle fork other end and push-scrape needle piece are fixed, the withdraw of the needle fork other end and withdraw of the needle piece are fixed, chasing after the pin fork other end fixes with cover thorn slide, the push-scrape needle fork, chase after the pin fork, the middle part of withdraw of the needle fork is equipped with little bearing, under the effect of stage clip, make little bearing near the push-scrape needle cam, chase after 3 cams such as needle cam and withdraw of the needle cam, the push-scrape needle cam, chasing after 3 cams such as needle cam and withdraw of the needle cam is driven by stepper motor, the push-scrape needle cam, chase after needle cam, 3 cams such as withdraw of the needle cam are respectively by corresponding push-scrape needle fork, chase after the pin fork, 3 forks such as withdraw of the needle fork drive the push-scrape needle piece respectively, withdraw of the needle piece, the slip of cover thorn slide on guide rod, thereby the drive knitting needle moves up and down needle tray, finishes the narrowing of barring-on.
Because the stepper motor in the ticker of the present invention, the push-scrape needle cam, chase after needle cam and withdraw of the needle cam and push-scrape needle fork, chase after the pin fork, withdraw of the needle fork drives the push-scrape needle piece in the narrowing hand, withdraw of the needle piece, the coordination of cover thorn slide, by automatically controlled part and in conjunction with the transverse translation of flat-knitting machine head, realize automatic barring-on narrowing, because of the action of overlapping the thorn group is positioned at two needle-bar center lines below all the time, do not influence the narrowing on opposite, therefore the present invention can realize two-sided narrowing, solved the difficult problem of the automatic barring-on narrowing of two-sided needle-bar, both can brightly receive, can secretly receive again, the scope of application is wider, have more practicality, really reduce labor intensity, improve braid efficiency, realize people's multimachine.Automatically controlled part can be made up of CPU, power supply, motor and programming box thereof etc.
Description of drawings
Fig. 1 is installed in the installation diagram of flat machine head upper side for the embodiment of the invention.
Fig. 2 is the B-B rotation schematic diagram of Fig. 1.
Fig. 3 is a push-scrape needle cam internal structure schematic diagram.
Fig. 4 is for chasing after needle cam internal structure schematic diagram.
Fig. 5 is a withdraw of the needle cam internal structure schematic diagram.
Fig. 6 removes vertical view behind the loam cake for Fig. 3.
Fig. 7 is the A-A profile of Fig. 3.
Fig. 8 is that the C of Fig. 3 is to view.
Fig. 9 is the circuit working principle flow chart that cooperates with the embodiment of the invention.
Figure 10 is operational sequence 1~11 schematic diagram of the embodiment of the invention.Operation in Figure 10 is respectively:
Operation 1: after subtracting pin action beginning, the cover thorn leaves gradually around backing pin O and rotates and the bottom, and the following groove of cover thorn embeds shank, and the push-scrape needle piece promotes knitting needle and rises.
Operation 2: knitting needle rises, and the cover thorn also rises with knitting needle behind the needle latch certain distance at interval.
Operation 3: knitting needle, the continuation of cover thorn are risen, and rising this moment of cover thorn is faster than knitting needle, and cover thorn point chases after into the needle latch below.
Operation 4: knitting needle, cover thorn continue to rise with identical speed, and coil slips over needle latch and falls into the cover thorn, and the cover thorn stops to rise, and knitting needle continues to rise.
Operation 5: after knitting needle rises to peak, descend under the effect of push-scrape needle piece, coil is transferred on the cover thorn.
Operation 6: cover thorn rises, under the backing pin effect around 0 rotate gradually on pendulum, make cover thorn bottom exceed needle-bar tooth mouth so that the cover thorn is traversing.
Operation 7: it is traversing that head connects the hand integral body of narrowing, and subtract several pins with regard to traversing several needle gages, and the cover thorn retreats around O and rotates the bottom then.
Operation 8: the cover thorn bottom, the groove that cover stings the bottom embeds knitting needle, and this moment, the push-scrape needle piece promoted the knitting needle rising, and syringe needle penetrates new coil from cover thorn groove.
Operation 9: stop after the knitting needle rising puts in place, the cover thorn descends a little, and coil stings from cover and transfers on the knitting needle.
Operation 10: the cover thorn rises, and puts around O behind the arrival backing pin, and cover thorn bottom exceeds needle-bar tooth mouth,
Operation 11: it is whole once more traversing that head connects the hand of narrowing, and makes need deactivate several pieces of knitting needles of position of withdraw of the needle block alignment, and withdraw of the needle piece moves down empty needle is withdrawed from knitting zone then, so just finishes once to subtract the pin process.
In Fig. 1~10, being labeled as of each parts or accessory: A1. ticker, A2. ticker, A3 head, D. support, E. needle-bar, F. knitting needle; Withdraw of the needle piece, 2. the push-scrape needle piece, 3. cover thorn, 4. torsion spring, 5. fixed axis, 6. backing pin, 7. cover thorn slide, 8. upper left guide rod, 9. the lower-left guide rod, 10. upper right guide rod, 11. bottom right guide rods, 12. stage clips, 13. push-scrape needle cams, 14. withdraw of the needle cams, 15. chase after needle cam, 16. push-scrape needle forks, 17. withdraw of the needle forks, 18. and chase after pin fork, 19. little bearings, 20. stepper motors, 21. belts, 22. belt pulleys, 23. shells.
The specific embodiment
Following examples will the invention will be further described in conjunction with the accompanying drawings.
As shown in Figure 1, 2, the utility model embodiment is provided with 2 cover ticker A1 and A2,2 cover ticker A1 and A2 are located at anterior right side and the right side, rear portion of existing automatic flat knitting machine head A3 respectively, automatic flat knitting machine comprises that (automatically controlled part can adopt general equipment for support D, head A3, needle-bar E, knitting needle F and automatically controlled part, do not draw in the drawings) etc., needle-bar E is located on the support D, head A3 goes up triangle by magnet control, but the rise cam automatic switch, the self-adjustable function of Density.
Referring to Fig. 3~8, in every cover ticker by withdraw of the needle piece 1, push-scrape needle piece 2, cover thorn group 3, torsion spring 4, fixed axis 5, backing pin 6, cover thorn slide 7, upper left guide rod 8, lower-left guide rod 9, upper right guide rod 10, bottom right guide rod 11, stage clip 12, push-scrape needle cam 13, withdraw of the needle cam 14, chase after needle cam 15, push-scrape needle fork 16, withdraw of the needle fork 17, chase after pin fork 18, little bearing 19, stepper motor 20, belt 21, belt pulley 22 and shell 23 etc. and form.Be provided with 4 guide rods (as shown in Figure 8) in the ticker, opsition dependent is divided into upper left guide rod 8, lower-left guide rod 9, upper right guide rod 10 and bottom right guide rod 11.Push-scrape needle piece 2 is contained on upper left guide rod 8 and the lower-left guide rod 9, so push-scrape needle piece 2 can slide on upper left guide rod 8 and lower-left guide rod 9, can not rotate; Be provided with stage clip 12 between push-scrape needle piece 2 and shell left side wall, the upper end of push-scrape needle piece 2 is connected with push-scrape needle fork 16, and push-scrape needle piece 2 lower ends are for falling " U " shape draw-in groove, and the pin heel of the knitting needle F on the needle-bar E just is positioned at draw-in groove;
Referring to Fig. 4 and 7, cover thorn slide 7 is contained on upper left guide rod 8 and the upper right guide rod 10, and cover thorn slide 7 can slide on upper left guide rod 8 and upper right guide rod 10, can not rotate; Be provided with stage clip 12 between cover thorn slide 7 and shell right side wall, cover thorn group 3 is located at the head of cover thorn slide 7, cover thorn group 3 is provided with 7 spiders thorns (also can change 8 or 9 into) in the present embodiment, 7 spiders thorn is fixed as one, can rotate around fixed axis, the fixed axis place is provided with torsion spring 4, and backing pin 6 is positioned at the cover thorn and organizes 3 the place aheads and be fixed on the shell 23, when cover thorn group 3 was not run into backing pin 6, torsion spring 4 play a part to reset.The upper end of cover thorn slide 7 with chase after pin fork 18 and be connected.
Referring to Fig. 5, withdraw of the needle piece 1 is contained on upper right guide rod 10 and the bottom right guide rod 11, and withdraw of the needle piece 1 can slide on upper right guide rod 10 and bottom right guide rod 11, can not rotate.Be provided with stage clip 12 between withdraw of the needle piece 1 and shell left side wall, withdraw of the needle piece 1 upper end is connected with withdraw of the needle fork 17, and withdraw of the needle piece 1 lower end projection is positioned at the pin heel top of the knitting needle F on the needle-bar E.
Referring to Fig. 6, cam drive part by push-scrape needle cam 13, withdraw of the needle cam 14, chase after needle cam 15, push-scrape needle fork 16, withdraw of the needle fork 17, chase after pin fork 18, little bearing 19 and stepper motor 20 etc. and form.
Referring to Fig. 3~5, push-scrape needle fork 16, withdraw of the needle fork 17 is articulated on the shell 23 of the present utility model with the upper end that chases after pin fork 18, the other end of push-scrape needle fork 16 and push-scrape needle piece 2 are fixing, the other end of withdraw of the needle fork 17 and withdraw of the needle piece 1 are fixing, the other end that chases after pin fork 17 is fixing with cover thorn slide 7, push-scrape needle fork 16, withdraw of the needle fork 17 is equipped with little bearing 19 with the middle part that chases after pin fork 18, under the effect of stage clip 12, make little bearing 19 nestle up push-scrape needle cam 13, withdraw of the needle cam 14 and chase after 3 cams such as needle cam 15 grades, push-scrape needle cam 13, withdraw of the needle cam 14 and chase after 3 cams such as needle cam 15 grades and drive by stepper motor 20.Push-scrape needle cam 13, withdraw of the needle cam 14 and chase after 3 cams such as needle cam 15 push-scrape needle fork 16, withdraw of the needle fork 17 by correspondence and chase after 3 forks such as pin fork 18 and drive above-mentioned push-scrape needle piece 2, withdraw of the needle piece 1, the slip of cover thorn slide 7 on guide rod respectively respectively, move up and down thereby drive in the needle tray of knitting needle F on needle-bar, finish the narrowing of barring-on.
Automatic flat knitting machine head right side is equipped with a ticker in an embodiment, and is parallel with needle-bar.The circuit working principle flow chart that provides referring to Fig. 9, when needs subtract pin, at first, rise cam is closed earlier on the head, and main motor high-speed cruising is near the pin heel of knitting width of cloth outermost, after the photoelectric sensor that is contained in head inside is sensed pin heel position in advance, probe is put down, head is slowed down approaching gradually by high-speed cruising, send signal after knitting needle is run into microswitch the head braking is stopped, and probe lifts.Then, stepper motor begins to rotate in the narrowing hand, drive each cam rotation, stir push-scrape needle fork, the withdraw of the needle fork that nestles up push-scrape needle cam, withdraw of the needle cam and chase after needle cam and chase after the pin fork, on guide rod, slide thereby drive push-scrape needle piece, withdraw of the needle piece and cover thorn slide.Mechanism realizes narrowing sequence of movement following (referring to Figure 10) in the narrowing hand:
1, the push-scrape needle piece moves back knitting needle, and the cover thorn is around the backing pin bottom simultaneously, and cover thorn bottom is near knitting needle, and in the embedding shank, the cover thorn also rises with knitting needle, and the cover thorn rate of climb is faster than knitting needle speed, cover thorn point inserts the needle latch below, and the coil on the knitting needle slips over needle latch simultaneously, and needle latch is opened;
2, the cover thorn catch up with knitting needle, and coil slips over needle latch and falls into the cover thorn, and the cover thorn stops to rise, and knitting needle continues to be moved upward to peak and stops then in the effect hundred of push-scrape needle piece;
3, the push-scrape needle piece acts on pin heel place, stirs knitting needle downwards, makes it return the operate as normal position;
4, the cover thorn continues to rise, and rotates around the O point under the effect of backing pin, and then cover thorn point is just upwards put, and the cover thorn is being with coil to be higher than the tooth mouth, so that next step traversing action, this moment, stepper motor stopped operating;
5, main driven by motor head and narrowing hand move, and need to receive several pins with regard to traversing several needle gages, behind traversing the finishing, send signal again, and stepper motor is rotated further, and finish following adapter ring action;
6, cover thorn slide moves down under cam gradually, the cover thorn earlier around O point to lower swing, until breaking away from backing pin, this moment, the groove of cover thorn bottom embedded on the shank, the push-scrape needle piece promotes to move on the knitting needle simultaneously, passes the coil on cover stings;
7, knitting needle stops after arriving highest order, and the cover thorn then continues to retreat, and coil is slided from the cover thorn, drops on the knitting needle, and then, the cover thorn rises again, until upwards putting, is higher than needle-bar tooth mouth, so that head weaves normally;
8, according to the narrowing arts demand, judge and to carry out secondary traversing distance that withdraw of the needle piece is just aimed at do not had will the deactivate knitting needle of position of coil, the action of withdraw of the needle piece is stirred knitting needle and fallen back on non-knitting zone, finishes narrowing action once like this, stepper motor stops.
9, head is traversing once more to the outside of compiling the width of cloth, and opens rise cam, continues the braiding of next line.
The present invention passes through said mechanism, appropriate design cam outer rim curve, cooperate general automatically controlled part, transverse moving left and right and the stepper motor of being controlled main driven by motor head by the computer follow procedure drive whole ticker coordination, just can finish the action of automatic barring-on narrowing.