Be adapted to the triangular knitting mechanism of knitting needle, elasticity stitch and the pin of pushing pin combination
Technical field
The present invention relates to computer flat knitting machine, relate in particular to a kind of triangular knitting mechanism that is adapted to knitting needle, elasticity stitch and the pin of pushing pin combination.
Background technology
The triangle control system of China's computer flat-bed knitting machine develops on the cam system basis of the smart company of the day island proper at present.Generally form by a plurality of braidings unit.Each braiding unit is made up of the woven extent that is distributed in cam base plate top, the needle selection zone that is distributed in the platen region at cam base plate middle part and is distributed in the cam base plate bottom.Main various knitting cams have fixation clip and movable pressing board in the woven extent in the platen region, and needle selection device (dividing two kinds of mechanical type and electromagnetic types), needle selection pressing plate (or needle selection tooth) and needle selecting cam are arranged in the needle selection zone.
Day, the cam system of island proper essence was as shown in Figure 1, and the knitting needle combination corresponding with this system is made up of latch needles 20, needle jack 21, flower matrix 22 and selection piece 23.Adopt mechanical needle selection.Block pin triangle 1, depressing cam 2, lopping back stitching triangle 3, stitch cam 4, barring-on in the woven extent A on cam base plate top and block pin triangle 5, transfer cam 6 and adapter ring triangle 7.In the platen region B at middle part left and right sides adapter ring pressing plate 8, tuck pressing plate 9 and fixation clip 10 are arranged.Be provided with needle selection device 11 and needle selecting cam 12,13 in the needle selection zone C of bottom.
When weaving, selection piece 23 at first receives the pushing and pressing of needle selecting cam 13, gets into the first needle selection position, with the needle selection that receives needle selection device 11.The latch needles 20 pairing selection pieces 23 that needle selection device 11 will not participate in weaving are depressed, and the back pin heel 23b of selection piece 23 sinks to needle tray, with the pushing and pressing that receive less than needle selecting cam 12.This moment, flower matrix 22 was in lower N position; The colored type heel 22a of colored matrix 22 can receive the compacting of fixation clip 10 in this position, and flower matrix 22 will be to pressing down needle jack 21, downwarping distortion behind needle jack 21 pressurizeds; The back pin heel 21b of its upside sinks to needle tray, with the pushing and pressing that receive less than knitting cam.The latch needles 20 pairing selection pieces 23 of participating in braiding do not receive the compacting of needle selection device 10; Thereafter pin heel 23b receive needle selecting cam 12 pushing and pressing and on move; It moves to the M position on pin heel 23c promotion flower matrix 22 down; The compacting of fixation clip 10 has been avoided in this position, makes the back pin heel 21b of needle jack woven by the pushing and pressing completion lopping of stitch cam 4.When the second needle selection position of needle selecting cam 12 is arrived in selection piece 23 relative motions; Be on the cam base plate upside pushing and pressing selection piece 23 like this movable needle selecting cam and move, make colored matrix 22 move to the L position, promote to move on the needle jack from the M position; Make it to receive the pushing and pressing of transfer cam 6, accomplish the barring-on braiding.As to carry out adapter ring braiding and tuck knitting also need cooperate left and right sides adapter ring pressing plate 8 and tuck pressing plate 9.
An above-mentioned day island proper fine works is knitted the control system, and more pressing plate is arranged and will cooperate corresponding needle selecting cam, complex structure, not only parts are many, and processing, installation complicacy also make the cam base plate size bigger.
Chinese patent also discloses a kind of triangular knitting system that publication number is CN101314887, and is as shown in Figure 2.The knitting needle combination corresponding with this system is made up of knitting needle 30 and needle jack 31.Its triangular knitting system knits the control system to above-mentioned day island proper fine works and improves; Adopt electromagnetic needle selection to need not pressing plate (like the tuck pressing plate 9 among Fig. 1, adapter ring pressing plate 8 and fixation clip 10) and do not have platen region; Need not needle selecting cam (12 among Fig. 1,13) and needle selection area part and overlap, system architecture is simplified with woven extent.But owing to needle jack 31 can rotate around the scarfing slot with the knitting needle interlocking, cause the rear end of knitting needle in needle tray, to teetertotter, influence the stable of knitting needle, cause fabric quality instability in the braiding process.
Summary of the invention
The objective of the invention is to propose to be directed against the knitting needle combination that a kind of knitting needle can not teetertotter.Above-mentioned purpose realizes through following technical scheme:
Said triangular knitting mechanism; The knitting cam that comprises cam base plate and the heel of pushing and pressing pin; Said knitting cam is installed on the cam base plate; Form at least one woven extent; This woven extent comprise be arranged in this zone symmetrical centre upper needle to the barring-on of elasticity stitch pin heel block pin trigonometric sum transfer cam, stitch cam, the lopping back stitching triangle to the pin pin heel of pushing pin at this symmetrical centre middle part, zone, be symmetrically placed in stitch cam both sides to the depressing cam of pin pin heel and a pair of lopping rise cam that places the adapter ring triangle of stitch cam downside and be arranged in adapter ring triangle both sides of pushing pin, wherein be provided with tuck cam to the end, underfooting of pushing pin in woven extent downside centre; Said transfer cam, stitch cam and tuck cam are movably arranged on the cam base plate; When transfer cam protruded from the cam base plate upper side, stitch cam was not higher than this upper side, and tuck cam is in first height and position that protrudes from the cam base plate upper side; Be in when not being higher than the cam base plate upper side at transfer cam; This upper side of stitch cam protrusion, and tuck cam is in second height and position that protrudes from the cam base plate upper side, and said second height and position is higher than first height and position.
The further design of said triangular knitting mechanism is that said adapter ring triangle is made up of the first adapter ring trigonometric sum, two second adapter ring triangles, and two second adapter ring triangles are in the symmetrical both sides of first adapter ring upper end.
The further design of said triangular knitting mechanism is; Said transfer cam, stitch cam and tuck cam are connected by link gear; This link gear comprises motor, control wheel, mount pad, fork, lead and trundle; Said mount pad is fixed on the said cam base plate; Said barring-on guide post, lopping guide post and tuck guide post are plugged on respectively in three pilot holes on the mount pad; Said control wheel places the center between lopping lead and the tuck lead and is connected on the said motor shaft, and the side that the lopping guide post is relative with the tuck guide post is connected said trundle respectively, and the circumference side of said control wheel is provided with the helical guide groove that is slidingly connected with said trundle; Said fork is rotationally connected between barring-on lead and lopping lead and with mount pad, and the fork two ends are slidingly connected with barring-on lead, lopping lead respectively.
The further design of said triangular knitting mechanism is; The hole wall of a relative side of two corresponding pilot holes of grafting lopping guide post and tuck guide post is provided with long slot bore; Said trundle one end passes this long slot bore and extend in the said helical guide groove, realizes said being slidingly connected with said control wheel.
The further design of said triangular knitting mechanism is that said barring-on lead and lopping lead one axial location are provided with horizontal slip groove radially, and the fork two ends are through this horizontal slip groove respectively be slidingly connected said barring-on lead and lopping lead.
The present invention is the triangular knitting mechanism of a kind of compact conformation of designing according to a kind of knitting needle combination of being made up of knitting needle, elasticity stitch and the pin of pushing pin that is proposed, and it is knitting needle even running in needle tray, and not producing teetertotters provides assurance.The present invention simultaneously is separately positioned on tuck cam and adapter ring triangle on the cam base plate different widths position; When carrying out delegation, having the braiding of lopping, tuck like this; Corresponding triangle acts on the different parts of auxiliary stitch; Will significantly reduce misoperation, improve weaving quality, make weaving quality more stable.
Description of drawings
Fig. 1 is the structural representation of the smart cam system of day island proper.
Fig. 2 publication number is the structural representation of the cam system of CN101314887.
Fig. 3 is the structural representation and the corresponding knitting needle combination structural representation of cam mechanism of the present invention.
Fig. 4 is the structural representation of a kind of linkage status of link gear.
Fig. 5 is the structural representation of the another kind of linkage status of link gear.
Fig. 6 is the pin heel trajectory diagram of not knitting needle.
Fig. 7 is the pin heel trajectory diagram of lopping braiding.
Fig. 8 is the pin heel trajectory diagram of tuck knitting.
Fig. 9 is the pin heel trajectory diagram of barring-on braiding.
Figure 10 is the pin heel trajectory diagram of adapter ring braiding.
Among the figure, 40 knitting needles, 41 elasticity stitch, 41a first pin heel, 41b elastic rod, 42 pin of pushing pin; The push pin rearward end of pin of 42a second pin heel, 42b electromagnetism adhesive face, 42c, 50 electromagnetic needle selectors, 51 needle trays, 60 cam base plate; 61 barring-ons block the pin triangle, 62 transfer cams, 63 lopping back stitching triangles, 64 stitch cams, 65 depressing cams; 66 first adapter ring triangles, 67 second adapter ring triangles, 68 tuck cams, 69 lopping rise cams, 70,71 pressing plates.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention and advantage thereof are further specified.
Map 3, knitting cam of the present invention mechanism mainly by cam base plate 60 with place the various knitting cams on this base plate upper side to form.The cam base plate 60 of present embodiment has two groups of knitting cams, forms two woven extent, i.e. two braiding unit.Each woven extent has following knitting cam: be arranged on woven extent top and be arranged in barring-on on this zone symmetrical center line from top to bottom and block pin triangle 61 and transfer cam 62; Be located at the woven extent middle part and be arranged in lopping back stitching triangle 63, stitch cam 64, the first adapter ring triangle 66 on this zone symmetrical center line from top to bottom; A pair of depressing cam 65 is symmetrically placed in the both sides of stitch cam 64; A pair of second adapter ring triangle 67 and lopping rise cam 69 from-inner-to-outers are arranged in the both sides of the first adapter ring triangle 66 respectively.On the center of woven extent bottom, be provided with tuck cam 68.Electromagnetic needle selector 50 is installed in the top of the following end clamp plate 70,71 of cam base plate 60.There are 2 groups of electromagnetic needle selectors 50 each braiding unit, forms two couples of needle selection position I II corresponding to this braiding unit.
Above-mentioned tuck cam 68, transfer cam 62, lopping back stitching triangle 63 and stitch cam 64 are to be installed in versatilely on the cam base plate 60; And through triangle link gear realization interlock, this link gear mainly is made up of motor 80, control wheel 72, mount pad 73, fork 74, barring-on lead 75, lopping lead 76, tuck lead 77 and trundle 78.Transfer cam 62, lopping back stitching triangle 63 and stitch cam 64., tuck cam 68 are connected with barring-on lead 75, lopping lead 76 and tuck lead 77 respectively, referring to Fig. 4.Mount pad 73 is fixed on the bottom surface of cam base plate 60; Which is provided with three pilot holes; Peg graft respectively in the pilot hole barring-on lead 75, lopping lead 76 and tuck lead 77; Be provided with control wheel 72. these control wheels in the center between lopping lead 76 and the tuck lead 77 and be connected on the axle of a motor 80, its circumference side is provided with helical guide groove 70.Be respectively equipped with long slot bore 71 on the hole wall of a relative side of two pilot holes of lopping lead 76 and tuck lead 77; With the position of this long slot bore 71 corresponding lopping leads 76 and tuck lead 77 on be respectively arranged with trundle 79; This trundle 79 passes long slot bore 71 and stretches in the helical guide groove 70, to realize and to control being slidingly connected of wheel 72.One fork 74 is hinged on the mount pad between barring-on lead 75 and the lopping lead 76; Barring-on lead 75 is provided with horizontal slip groove 78 radially with lopping lead 76 1 axial locations, and fork 74 two ends are slidingly connected through horizontal slip groove 78 and barring-on lead 75 and lopping lead 76 respectively.
With motor 80 clockwise or when rotating counterclockwise, helical guide groove 70 drives lopping leads 76 and tuck lead 77 through trundle 79 and moves up and down along pilot hole at control wheel 72.And moving up and down of lopping lead 76 can move up and down through fork 74 drive barring-on leads 75.Lopping lead 76 moves upward; Stitch cam 64 is not higher than cam base plate 60 upper sides; Tuck lead 77 is done moving up and down in the same way, and tuck cam 68 is in first height and position that protrudes from the cam base plate upper side, and barring-on lead 75 is then done reverse moving up and down; Make transfer cam 62 protrude from the cam base plate upper side, please again referring to Fig. 4.Lopping lead 76 moves downward, and protrudes from the upper side of cam base plate 60, the motion that tuck lead 77 is done in the same way, and tuck cam 68 is in second height and position that protrudes from the cam base plate upper side, and second height and position is higher than first height and position.75 of barring-on leads are done reverse moving upward, and make transfer cam 62 be in the position that is not higher than cam base plate 60 upper sides, see also Fig. 5, thereby realize three's interlock of tuck cam, stitch cam and transfer cam.
Triangular knitting mechanism of the present invention adopts knitting needle combination as shown in Figure 3.It is by being made up of knitting needle 40, elasticity stitch 41 and the pin 42 of pushing pin.Be placed in each needle tray 51 on the needle-bar, the pushing and pressing face of the rear end of first pin heel 41a, second pin heel 42a and the pin of pushing pin on it receives the control of triangular knitting system.Corresponding triangle in the triangular knitting mechanism moves knitting needle through the pin heel 42a on the pin heel 41a on the pushing and pressing elasticity stitch 41, the pin 42 of pushing pin and the rearward end 42c of the pin 42 of pushing pin in needle tray.When weaving, triangular knitting mechanism is reciprocating motion on needle-bar, and above-mentioned knitting needle combination receives different triangle effects and forms not knitting needle, lopping braiding, tuck knitting, five kinds of different braiding tracks of barring-on braiding and adapter ring braiding.
Knitting needle not: needle selection pressing plate 70,71 will press down the rear portion of the pin 42 of pushing pin in the needle tray, and the electromagnetism adhesive face 42b adhesive that makes the pin 42 of pushing pin is to needle selection device 50.Pin heel 42a on it sinks in the needle tray 51; Firmly the push pin electromagnetism adhesive face 42b of pin 42 of needle selection device 50 adhesive all the time; Make the pin heel 42a and the rear end 42c of the pin 42 of pushing pin receive the pushing and pressing less than corresponding triangle all the time, make knitting needle can not be in the needle-like attitude, its pin heel track sees also Fig. 6.
Lopping braiding: the electromagnetism adhesive face 42b on the pin 42 of pushing pin is lived by 50 adhesives of needle selection device and when moving to needle selection position I with triangular knitting mechanism; The adhesive that needle selection device 50 is decontroled electromagnetism adhesive face 42b makes the pin heel 42a on the pin 42 of pushing pin expose needle tray under the effect of the elastic rod 41b on the elasticity stitch 41.At this moment, stitch cam 64 protrusion cam base plate upper sides, tuck cam 68 is in second height and position that protrudes from the cam base plate upper side, and transfer cam 62 is in and is not higher than the cam base plate upper side.Pin heel 42a enters into the needle track of being made up of lopping back stitching triangle 63 and stitch cam 64, promotes knitting needle and accomplishes the lopping braiding, and its pin heel track sees also Fig. 7.
Tuck knitting: the electromagnetism adhesive face 42b on the pin 42 of pushing pin is lived by 50 adhesives of needle selection device and when moving to needle selection position II with triangular knitting mechanism; The adhesive that needle selection device 50 is decontroled electromagnetism adhesive face 42b; Make the pin heel 42a on the pin 42 of pushing pin expose needle tray, at this moment, stitch cam 64 protrusion cam base plate upper sides; Tuck cam 68 is in second height and position that protrudes from the cam base plate upper side, and transfer cam 62 is in and is not higher than the cam base plate upper side.The rear end 42c of pin 42 of pushing pin receives the pushing and pressing of tuck cam 68, promotes knitting needle and accomplishes tuck knitting, and its pin heel track sees also Fig. 8.
Barring-on braiding: the electromagnetism adhesive face 42b on the pin 42 of pushing pin is lived by 50 adhesives of needle selection device and when moving to needle selection position I with triangular knitting mechanism, the adhesive that needle selection device 50 is decontroled electromagnetism adhesive face 42b makes the pin heel 42a on the pin 42 of pushing pin expose needle tray.At this moment, transfer cam 62 protrusion cam base plate upper sides, tuck cam 68 is in first height and position that protrudes from the cam base plate upper side, and stitch cam 64 is not higher than the cam base plate upper side.The pushing and pressing that make pin heel 42a on the pin 42 of pushing pin receive lopping withdrawal of needle 69 earlier move upward; Make the pin heel 41a on the elasticity stitch 41 enter into the barring-on needle track of forming by barring-on hurdle pin triangle 61 and transfer cam 62; Promote knitting needle and accomplish the barring-on braiding, its pin heel track sees also Fig. 9.
Adapter ring braiding: the electromagnetism adhesive face 42b on the pin 42 of pushing pin is lived by 50 adhesives of needle selection device and when moving to needle selection position II with triangular knitting mechanism, the adhesive that needle selection device 50 is decontroled electromagnetism adhesive face 42b makes the pin heel 42a on the pin 42 of pushing pin expose needle tray.At this moment, transfer cam 62 protrusion cam base plate upper sides, tuck cam 68 is in first height and position that protrudes from the cam base plate upper side, and stitch cam 64 is not higher than the cam base plate upper side.Make the pin heel 42a on the pin 42 of pushing pin successively receive upwards pushing against of the first adapter ring triangle 66 and the second adapter ring triangle 67; Make pin heel 41a on the elasticity stitch receive the downward pushing and pressing on the inclined-plane of transfer cam 62 lower ends; Drive knitting needle and accomplish the adapter ring braiding, its pin heel track sees also Figure 10.
The triangle interlock: motor 80 perhaps rotates counterclockwise clockwise; Make the control wheel 72 be installed on 80 in the motor promote two trundles 79 simultaneously upwards or move downward through helicla flute 70; Thereby realize that tuck lead 77 and lopping lead 76 upwards perhaps move downward simultaneously; When lopping lead 76 upwards perhaps moves downward; Horizontal slip groove 78 is being with interior fork 74 1 ends of groove upwards perhaps to move downward in the lopping lead 76; The end that fork 74 is positioned at barring-on lead 75 horizontal concrete chutes 78 perhaps moves upward downwards, and barring-on lead 75, lopping lead 76 and tuck lead 77 threes realize interlock, thereby realizes tuck cam 68, stitch cam 64, transfer cam 62 threes' interlock.