CN203295765U - Knitting mechanism of computer flat knitting machine - Google Patents

Abstract

The utility model belongs to the field of knitting machines and discloses a knitting mechanism of a computer flat knitting machine. The knitting mechanism of the computer flat knitting machine comprises a cam bottom board, wherein a left needle guide cam, a left sinking cam, a herringbone cam, a right sinking cam and a right needle guide cam are arranged at the upper portion of the cam bottom board; a left needle dividing cam, a left stitch selecting guide cam, a right stitch selecting guide cam and a right needle dividing cam are arranged in the middle of the cam bottom board; a left four-section needle selector and a right four-section needle selector are fixed to the cam bottom board, and a left needle guide cam and a right needle guide cam are arranged on the left four-section needle selector and the right four-section needle selector; a left stitch selecting reset cam, a stitch selecting reset cam and a right stitch selecting reset cam are arranged at the lower portion of the cam bottom board. The knitting mechanism of the computer flat knitting machine is characterized in that a left needle connecting cam and a right needle connecting cam are arranged corresponding to the two sides of a needle raising cam, a left doubling stitch cam is arranged between a left needle cleaning cam and the left needle connecting cam, a right doubling stitching cam is arranged between a right needle cleaning cam and the right needle connecting cam, a left guide groove is formed in the left stitch selecting guide cam, and a right guide groove is formed in the right stitch selecting guide cam. The knitting mechanism of the computer flat knitting machine is simple in structure, small in size, low in cost, light and flexible to drive, convenient to machine, simple in cam system, stable and efficient.

Description

The knitting mechanism of computer plain flat knitter

Technical field

The utility model belongs to technical field of knitting machinery, is specifically related to a kind of knitting mechanism of computer plain flat knitter.

Background technology

the knitting mechanism of the computer plain flat knitter in prior art is as shown in Figure 1: comprise cam base plate 7S, lower cam base plate 7X, be fixed on the herringbone triangle 1 on cam base plate 7S, upper left guide pin triangular 6L, upper right guide pin triangular 6R, left guide pin triangular 8L, right guide pin triangular 8R, bottom left guide pin triangular 9L, bottom right guide pin triangular 9R, rise cam 5, the transfer cam 2 that can vertically pass in and out at upper cam base plate 7S, elevating cam 3, left clear pin triangle 10L, right clear pin triangle l0R, a left side meets pin compressing tablet 17L and the right side meets pin compressing tablet 17R, can be parallel to the left degree order triangle 4L that cam base plate 7S slides, right degree order triangle 4R, be fixed in and do not knit compressing tablet 19 on cam base plate 7S, the tuck compressing tablet 18 that can swing up and down, the second from left section degree order compressing tablet 15L, right two sections degree order compressing tablet 15R, triangle 16L, the right side triangle 16R that pushes pin pushes pin on the left side that be fixed on the upper needle selecting foot guide triangular 11 on lower cam base plate 7X, lower needle selecting foot guide triangular 14, left stitch briquetting 12L, right stitch briquetting 12R, left slide cam selector 13L, right slide cam selector 13R, needle selecting foot reset triangle 20, can vertically pass in and out on lower cam base plate 7X, also comprise knitting needle 21, needle jack 22, push jack 23 and needle selecting foot 24 in the needle tray that assigns into the flat pattern needle-bar, wherein: knitting needle 21 is arranged in the needle tray extreme higher position, needle jack 22 is positioned at the below of knitting needle 21, the recess of its upper end and knitting needle 21 bottoms is inlayed, knitting needle 21 and needle jack 22 are combined into one, and needle jack 22 has upper slice heel 22A and lower heel 22B, push jack 23 is positioned at the outside of needle jack 22 bottoms, has sheet heel 23A and three positioning recess, can make sheet heel 23A be positioned at A or H or B position, needle selecting foot 24 is positioned at the outside of push jack 23, and knitting needle 21, needle jack 22, push jack 23 and needle selecting foot 24 all can move up and down in needle tray.

The Knitting Principle of said structure is by the left slide cam selector 13L with eight-section needle selecting function and right slide cam selector 13R, needle selecting foot 24 to be selected, and by lower needle selecting foot guide triangular 14, a left side push pin that triangle 16L and the right triangle 16R that pushes pin are in needle selecting foot 24 to the effect of lower heel of needle selecting foot 24 not rise, rising one-level or three kinds of states of rising two-stage, by needle selecting foot 24, act on push jack 23 and can make the sheet heel 23A of push jack 23 be in A, H or tri-height of B.Upper needle selecting foot guide triangular 11 and needle selecting foot reset triangle 20 can make needle selecting foot 24 homings of selected rising.Specifically by Fig. 2 to (diagonal line hatches in figure represents that triangle sinks to cam base plate) shown in Figure 9.

The operation principle of the knitting mechanism of aforementioned computer plain flat knitter is as follows:

Do not weave:

Ask for an interview Fig. 2, in transfer cam 2, left clear pin triangle 10L retraction triangle 16R retraction cam base plate 7X pushes pin cam base plate 7S, the right side, left slide cam selector 13L and right slide cam selector 13R do not work, the needle selecting foot 24 of preliminary election is pressed into needle tray, therefore do not promote push jack 23,23 of push jacks heel 23A are in the needle tray that compressing tablet 19 is not knitted and be pressed into needle-bar in the B position, thereby compressing needle jack 22 also sinks to needle tray, and knitting needle 21 is not acted on by rise cam 5 and enters braiding track (not weaving track as shown in Fig. 2 heavy line).

The braiding function:

Ask for an interview Fig. 3 and Fig. 4, suppose the head right lateral, as shown in Figure 3, at this moment cam base plate 7S in the clear pin triangle 10R retraction in transfer cam 2 and the right side, cam base plate 7X under triangle 16L retraction pushes pin on a left side, right slide cam selector 13R does not work, left slide cam selector 13L work, needle selecting foot reset triangle 20 is reset to needle-like state to be selected by needle selecting foot 24, left slide cam selector 13L will need the corresponding needle selecting foot 24 of the knitting needle 21 that participates in weaving to choose, on the needle selecting foot 24 that lower needle selecting foot guide triangular 14 will be chosen, push away, needle selecting foot 24 promotes push jack 23 to the H position, completes needle selection for the first time.then head commutation left lateral, as shown in Figure 4, at this moment cam base plate 7S in the clear pin triangle 10L retraction in transfer cam 2 and a left side, cam base plate 7X under triangle 16R retraction pushes pin on the right side, the needle selecting foot of being chosen 24 of addressing previously is returned to initial position along upper needle selecting foot guide triangular 11, the left slide cam selector 13L of process is needle selection for the second time, the left side needle selecting foot 24 that triangle 16L will be chosen of pushing pin is shifted extreme higher position onto, along upper needle selecting foot guide triangular 11 and needle selecting foot reset triangle 20, be returned to initial position afterwards, right slide cam selector 13R chooses the corresponding needle selecting foot 24 of knitting needle 21 that next line need to weave, on the needle selecting foot 24 that lower needle selecting foot guide triangular 14 will be chosen, push away, complete the needle selection for the first time of next line braiding, synchronously, the push jack that is in the H position 23 of addressing is previously chosen for the second time and is pushed pin triangle 16L while shifting extreme higher position onto by a left side at needle selecting foot 24, needle selecting foot 24 is shifted push jack 23 onto the A position, the sheet heel 23A of push jack 23 is not pressed into needle tray, when push jack 23 is through the right side clear pin triangle 10R afterwards, gets back to the needle selecting foot 24 of being chosen by right slide cam selector 13R again behind initial B position and shifts the H position onto, the sheet of needle jack 22 heel 22A drives knitting needle 21 and rises along rise cam 5 and elevating cam 3 because not being pressed into needle tray, then completes braiding (weaving track as shown in Fig. 4 heavy line) along right degree order triangle 4R, bottom right guide pin triangular 9R and right guide pin triangular 8R operation.

The tuck function:

ask for an interview Fig. 4 and Fig. 5, suppose that the previous row head is travel (state shown in Figure 4) left, and the corresponding needle selecting foot 24 of knitting needle 21 that will need to participate in tuck is chosen, promote corresponding push jack 23 to the H position, be previous row for the first time needle selection shift push jack 23 onto the H position, the second row head commutation is to right travel (shown in Figure 5), at this moment cam base plate 7S in the clear pin triangle 10R retraction in transfer cam 2 and the right side, a left side connects pin compressing tablet 17L and the right side and meets also cam base plate 7S in retraction of pin compressing tablet 17R, cam base plate 7X under triangle 16L retraction pushes pin on a left side, the needle selecting foot 24 that previous row is chosen is returned to initial position along upper needle selecting foot guide triangular 11, right slide cam selector 13R does not work, needle selecting foot 24 is not worked, afterwards, needle selecting foot 24 is returned to initial position after needle selecting foot reset triangle 20, left slide cam selector 13L chooses the corresponding needle selecting foot 24 of knitting needle 21 that next line need to weave, on the needle selecting foot 24 that lower needle selecting foot guide triangular 14 will be chosen, push away, complete the needle selection for the first time of next line braiding, left slide cam selector 13L is pressed into needle tray by needle selecting foot 24 next line and that knitting needle 24 that do not weave is corresponding simultaneously, synchronously, the push jack 23 that lastrow is in the H position still is in the operation of H position, through tuck compressing tablet 18 time, the sheet heel 23A of push jack 23 is pressed into needle tray, through left clear pin triangle 10L, is returned to the B position afterwards and by the needle selecting foot 24 that left slide cam selector 13L chooses, is shifted onto the H position again, needle jack 22 drove before this knitting needle 21 and rose to the tuck position height along rise cam 5, because being pressed into needle tray by tuck compressing tablet 18, the sheet of push jack 23 heel 23A force the sheet heel 22A on needle jack 22 also to be pressed into needle tray afterwards, needle jack 22 drives knitting needles 21 can not be continued to rise along elevating cam 3, but maintain the tuck height operation, along left degree order triangle 4L, bottom left guide pin triangular 9L and left guide pin triangular 8L operation, completes tuck (the tuck track is as shown in Fig. 5 heavy line) again.

Braiding, tuck and do not weave:

Ask for an interview Fig. 5 and Fig. 6, in same delegation, realize simultaneously braiding, tuck and do not weave three kinds of functions.By the corresponding needle selecting foot 24 of knitting needle 21 that left slide cam selector 13L need to participate in braiding and tuck by previous row, chosen, promote corresponding push jack 23 to H position (as shown in Fig. 5 heavy line), and do not need the corresponding needle selecting foot 24 of the knitting needle 21 that participates in weaving not by left slide cam selector 13L effect, needle selecting foot 24 is pressed into needle tray, corresponding needle selecting foot 24 does not promote push jack 23, push jack 23 places and B position (as shown in Fig. 5 dotted line).The second row head commutation is travelled left, cam base plate 7S in transfer cam 2 and left clear pin triangle 10L retraction at this moment, the right side push pin cam base plate 7X, left slide cam selector 13L and right slide cam selector 13R work under triangle 16R retraction.The needle selecting foot 24 that previous row does not select is not worked, push jack 23 is not knitted compressing tablet 19 and is pressed into needle tray, oppress simultaneously needle jack 22 imbed needle tray by rise cam 5, do not acted on and enter the braiding track (complete action please refer to and do not weave function, does not weave track as shown in Fig. 6 dotted line).The needle selecting foot 24 of previous row preliminary election is by the direct needle selection of left slide cam selector 13L, then by the right side triangle 16R that pushes pin, be pushed into the highest, needle selecting foot 24 effect push jack 23 to A positions, needle jack 22 enters braiding track (complete action please refer to the braiding function, and the braiding track is as shown in Fig. 6 solid line) because not being pressed into needle tray.The needle selecting foot 24 of previous row preliminary election is compressed into needle tray by the direct needle selection of right slide cam selector 13R, push jack 23 rests on the H position and is pressed into needle tray by tuck compressing tablet 18, thereby force needle jack 22 to imbed needle tray, knitting needle 21 enters tuck track (complete action please refer to the tuck function, and the tuck track is as shown in Fig. 6 chain-dotted line).

The barring-on function:

Ask for an interview Fig. 6 and Fig. 7, suppose that the previous row head at barring-on is travel (for example state of Fig. 6) left, the right slide cam selector 13R needle selecting foot 24 that next line is corresponding with the knitting needle 21 that needs the participation barring-on is chosen, on the needle selecting foot 24 that lower needle selecting foot guide triangular 14 will be chosen, push away, needle selecting foot 24 is shifted corresponding push jack 23 onto the H position, completes needle selection for the first time.the second row head commutation is travelled left, as shown in Figure 7, at this moment cam base plate 7S in the clear pin triangle 10R retraction in elevating cam 3 and the right side, cam base plate 7X under triangle 16L retraction pushes pin on a left side, the needle selecting foot 24 that previous row is chosen is returned to initial position along upper needle selecting foot guide triangular 11, needle selection for the second time through left slide cam selector 13L, the right side needle selecting foot 24 that triangle 16R will choose of pushing pin is shifted extreme higher position onto, along upper needle selecting foot guide triangular 11 and needle selecting foot reset triangle 20, be returned to initial position afterwards, left slide cam selector 13L will need the corresponding needle selecting foot 24 of knitting needle 21 of barring-on to choose with next line, on the needle selecting foot 24 that lower needle selecting foot guide triangular 14 will be chosen, push away, complete the needle selection for the first time of next line braiding, synchronously, the push jack 23 that previous row is pulled to the H position is chosen for the second time and is pushed pin triangle 16R while shifting extreme higher position onto by the right side at needle selecting foot 24, needle selecting foot 24 is shifted push jack 23 onto the A position, the sheet heel 23A of push jack 23 is not pressed into needle tray, when push jack 23 is through a left side clear pin triangle 10L afterwards, gets back to the needle selecting foot 24 of being chosen by left slide cam selector 13L again behind initial B position and shifts the H position onto, very the upper slice heel 22A of stitch 22 drives knitting needle 21 along rise cam 5 risings because not being pressed into needle tray, on needle jack 22 lower heel 22B drives knitting needles 21 along transfer cam 2 and continues to rise afterwards, then along herringbone triangle 1 and left degree order triangle 4L, gets back to initial bit and complete barring-on (the barring-on track is as shown in Fig. 7 heavy line).

The adapter ring function:

ask for an interview Fig. 7 and Fig. 8, suppose that the previous row head is to right travel (state of Fig. 7), and the corresponding needle selecting foot 24 of knitting needle 21 that will need to participate in adapter ring is chosen, promote corresponding push jack 23 to the H position, be previous row for the first time needle selection shift push jack 23 onto the H position, the second row head commutation is travelled left, as shown in Figure 8, at this moment cam base plate 7S in the clear pin triangle 10L retraction in elevating cam 3 and a left side, tuck compressing tablet 18 puts away the H position, cam base plate 7X under triangle 16R retraction pushes pin on the right side, the needle selecting foot 24 that previous row is chosen is returned to initial position along upper needle selecting foot guide triangular 11, left slide cam selector 13L does not work, needle selecting foot 24 is not worked, needle selecting foot 24 is returned to initial position after needle selecting foot reset triangle 20 afterwards, right slide cam selector 13R chooses the corresponding needle selecting foot 24 of knitting needle 21 that next line need to weave, on the needle selecting foot 24 that lower needle selecting foot guide triangular 14 will be chosen, push away, complete the needle selection for the first time of next line braiding, synchronously, the push jack 23 that lastrow is in the H position still is in the operation of H position, through a left side, meeting pin compressing tablet 17L, while with the right side, meeting pin compressing tablet 17R, sheet heel 23A on push jack 23 is pressed into needle tray, through right clear pin triangle 10R, be returned to the B position afterwards and by the needle selecting foot 24 that right slide cam selector 13R chooses, shifted onto the H position again, when needle jack 22 meets left pin compressing tablet 17L in push jack 23 processes, because the sheet of push jack 23 heel 23A is met pin compressing tablet 17L by a left side, be pressed into needle tray and force the upper slice heel 22A on needle jack 22 also to be pressed into needle tray, needle jack 22 drives knitting needle 21 and can not rise and enter braiding or barring-on track along rise cam 5, when push jack 23 process tuck compressing tablet 18 position, because tuck compressing tablet 18 has put away the H position, therefore the sheet heel 23A on push jack 23 is released and exposes needle tray, correspondingly the upper slice heel 22A on needle jack 22 also exposes needle tray, at this moment on needle jack 22 upper slice the heel 22A along a left side that processes on rise cam 5, right tuck inclined- plane 503, 504 rise and drive knitting needle 21 and enter the adapter ring track, complete adapter ring (the adapter ring track is as shown in Fig. 8 heavy line).

Front and back are to turning over:

Ask for an interview Fig. 8 and Fig. 9, namely with delegation, can realize barring-on and adapter ring function.suppose that previous row is travel (state of Fig. 8) left, and the corresponding needle selecting foot 24 of knitting needle 21 that will need to participate in adapter ring and barring-on is chosen, promote corresponding push jack 23 to the H position, be previous row for the first time needle selection shift push jack 23 onto the H position, the second row head commutation is to right travel, as shown in Figure 9, at this moment cam base plate 7S in the clear pin triangle 10L retraction in elevating cam 3 and the right side, tuck compressing tablet 18 puts away and namely avoids the H position, cam base plate 7X under triangle 16L retraction pushes pin on a left side, the needle selecting foot that needs adapter ring 24 that previous row is chosen is returned to initial position along upper needle selecting foot guide triangular 11, left slide cam selector 13L is pressed into needle tray by needle selecting foot 24, needle selecting foot 24 is not worked, needle selecting foot 24 is returned to initial position after needle selecting foot reset triangle 20 afterwards, synchronously, the push jack 23 that lastrow is in the H position still is in the operation of H position, when through a left side, meeting pin compressing tablet 17L, because the sheet of push jack 23 heel 23A is met pin compressing tablet 17L by a left side, be pressed into needle tray and force the upper slice heel 22A on needle jack 22 also to be pressed into needle tray, needle jack 22 drive knitting needles 21 can not enter braiding or barring-on track, and (complete action please refer to the adapter ring function along rise cam 5 risings, the adapter ring track is as shown in Fig. 9 dotted line).The needle selecting foot that needs barring-on 24 that previous row is chosen is returned to initial position along upper needle selecting foot guide triangular 11, left slide cam selector 13L chooses needle selecting foot 24, synchronously, the push jack 23 that previous row is pulled to the H position is chosen for the second time and is pushed pin triangle 16R while shifting extreme higher position onto by the right side at needle selecting foot 24, needle selecting foot 24 is shifted push jack 23 onto the A position, the sheet heel 23A of push jack 23 is not pressed into needle tray, when push jack 23 is through a left side clear pin triangle 10L afterwards, gets back to the needle selecting foot 24 of being chosen by left slide cam selector 13L again behind initial B position and shifts the H position onto; The upper slice heel 22A of needle jack 22 drives knitting needle 21 along rise cam 5 risings because not being pressed into needle tray, the 22B of on needle jack 22 lower heel afterwards drives knitting needle 21 along transfer cam 2 to be continued to rise, along herringbone triangle 1 and left degree order triangle 4L, get back to initial bit again and complete barring-on (complete barring-on action please refer to the barring-on function, and the barring-on track is as shown in Fig. 9 heavy line).

As from the foregoing, there is following shortcoming in the knitting mechanism of the computer plain flat knitter in prior art: one, cam mechanism is very complicated, wherein needs the transfer cam 2, elevating cam 3, left and right clear pin triangle 10L, 10R of vertical up-or-down movement, left and right left and right two sections degree order compressing tablet 15L, 15R and the tuck compressing tablet 18 that meets pin compressing tablet 17L, 17R, left and right push pin triangle 16L, 16R, swings up and down.Because these actions need complicated mechanism controls, thereby cause the knitting needle complex structure: knitting needle 21, needle jack 22, compressing tablet 23 and 24 4 parts of needle selecting foot are arranged, self-evident, so complicated structure makes that manufacturing cost is high, difficulty of processing large, the part qualification rate is low and the machine volume is large and poor stability.They are two years old, when adapter ring and tuck, because the upper slice heel 22A of needle jack 22 always is close to rise cam 5 and connects along a left side that pin inclined-plane 504, the right side connect pin inclined-plane 502 or right tuck inclined-plane 503, left tuck inclined-plane 504 rises and descends, therefore very harsh to the processing request of rise cam 5, otherwise can cause striker.They are three years old, needle selection is very complicated, at first by slide cam selector, the needle selection for the first time of needle selecting foot 24 is separated to the corresponding needle selecting foot 24 of two class knitting needles 21: need braiding, tuck, the needle selecting foot 24 of barring-on and adapter ring, push away on the needle selecting foot 24 that lower needle selecting foot guide triangular 14 will be chosen and push jack 23 be pushed into to the H position; The needle selecting foot 24 that Equations of The Second Kind does not weave is pressed into needle tray, and push jack 23 rests on the B position.Then from first kind needle selecting foot 24, selecting the needle selecting foot that needs braiding and barring-on, left side triangle 16L or the right side triangle 16R that pushes pin that pushes pin will push away on needle selecting foot 24 and push jack 23 is pushed into to the A position slide cam selector to the secondary needle selection of needle selecting foot 24; Need the needle selecting foot 24 of tuck and adapter ring to be pressed into needle tray, push jack 23 rests on the H position.

In view of above-mentioned prior art, be necessary to be improved, for this reason, the applicant has done useful design, has finally formed technical scheme described below.

Summary of the invention

Task of the present utility model is to provide a kind of structure that helps significantly to simplify cam mechanism and knitting needle and uses the volume that dwindles cam base plate and needle-bar and processing request is not harsh, mechanical stability against short circuit is high, manufacture the knitting mechanism of the computer plain flat knitter of the high and low cost of manufacture of efficiency.

task of the present utility model completes like this, a kind of knitting mechanism of computer plain flat knitter, comprise cam base plate, at the length direction on the top of this cam base plate and be disposed with from left to right left guide pin triangular, left degree order triangle, herringbone triangle, the right guide pin triangular of right degree order trigonometric sum, wherein: below corresponding to the herringbone triangle, be provided with transfer cam, and be provided with stitch cam below corresponding to transfer cam, at the length direction at the middle part of cam base plate and be disposed with from left to right and part pin triangle, left needle selecting foot guide triangular, right needle selecting foot guide triangular on the left side and part the pin triangle on the right side, wherein: below between left and right needle selecting foot guide triangular, be disposed with from left to right left clear pin triangle, rise cam and right clear pin triangle, on cam base plate and in the position corresponding to below left needle selecting foot guide triangular, be fixed with left four sections slide cam selectors, and in the position corresponding to below right needle selecting foot guide triangular, be fixed with right four sections slide cam selectors, on cam base plate and below corresponding to left four sections slide cam selectors, be provided with a left guide pin triangular, and be provided with right guide pin triangular below corresponding to right four sections slide cam selectors, wherein: above the end corresponding to left guide pin triangular, be provided with one first left side triangle of pushing pin, and above the other end corresponding to left guide pin triangular, be provided with one second left side triangle of pushing pin, above the end corresponding to right guide pin triangular, be provided with first right side triangle of pushing pin, and above the other end corresponding to right guide pin triangular, be provided with one second right side triangle of pushing pin, at the length direction of the bottom of cam base plate and be disposed with from left to right left needle selecting foot reset triangle, needle selecting foot reset triangle and right needle selecting foot reset triangle, be characterised in that: in the side corresponding to described rise cam, be provided with a left side and connect the pin triangle, and be provided with a right side at the opposite side corresponding to rise cam, connect the pin triangle, and clear pin triangle and a left side connect between the pin triangle and are provided with a left tuck cam on a described left side, clear pin triangle and the right side connect between the pin triangle and are provided with a right tuck cam and on the described right side, on described left needle selecting foot guide triangular, form a left gathering sill is arranged, and form, a right gathering sill is arranged on described right needle selecting foot guide triangular, left gathering sill connects to the side side towards the clear pin triangle in a described left side towards a described side side that parts the pin triangle on the left side from left needle selecting foot guide triangular, right gathering sill connects to the side side towards the clear pin triangle in the described right side towards a described side side that parts the pin triangle on the right side from right needle selecting foot guide triangular.

In a specific embodiment of the present utility model, when the described pin triangle, right clear pin triangle, first left side of parting on the left side pushed pin trigonometric sum second right side while pushing pin the described cam base plate of triangle retraction, described pin triangle, left clear pin triangle, first right side trigonometric sum second left side triangle of pushing pin of pushing pin that parts on the right side stretches out cam base plate; And push pin triangle while stretching out cam base plate when parting pin triangle, right clear pin triangle, first left side trigonometric sum second right side of pushing pin on the left side, part pin triangle, left clear pin triangle, first right side trigonometric sum second left side triangle retraction cam base plate of pushing pin of pushing pin on the right side.

One of the technical scheme that the utility model provides advantage compared with prior art, owing to without using, not knitting compressing tablet, tuck compressing tablet, adapter ring compressing tablet and two sections degree order compressing tablets, thereby saved the transmission mechanism of controlling these compressing tablets, makes structure significantly simple; Two, owing to respect to prior art, can significantly simplifying knitting needle, abandon push jack and needle jack, so knitting needle can dwindle in the length of needle tray direction, make corresponding the dwindling of width of head and needle-bar, thereby the volume of complete machine reduces, manufacturing cost reduces; Three, because knitting needle only needs knitting needle and needle selecting foot, thereby the head running resistance is little, drives portable and smartly, saves the energy; Four, because being provided with a left side, the side in rise cam connects the pin triangle, opposite side is provided with the right side and connects the pin triangle, and clear pin triangle and a left side connect between the pin triangle and are provided with left tuck cam and clear pin triangle and the right side connect between the pin triangle and be provided with right tuck cam on the right side on a left side, thereby make rise cam easy to process and can guarantee the knitting needle trouble-free operation with respect to prior art; Five, due to the push jack that can save knitting needle, thereby no longer have A, H and tri-kinds of positions of B of push jack, only keeping the to be selected of needle selecting foot and being pressed into the needle tray two states is A position and B position, thereby the structural system that makes triangle not only simply but also stable and efficient.

The accompanying drawing explanation

Fig. 1 is the structure chart of cam mechanism that has the computer plain flat knitter of a braiding and loop transfer system in prior art.

Fig. 2 has the needle trajectory map that the cam mechanism of the computer plain flat knitter of a braiding and loop transfer system does not weave in prior art.

Fig. 3 is the needle trajectory map that the cam mechanism that has the computer plain flat knitter of a braiding and loop transfer system in prior art weaves the needle selection for the first time of previous row.

Fig. 4 is that the cam mechanism that has the computer plain flat knitter of a braiding and loop transfer system in prior art weaves and is the descending needle trajectory map of needle selection for the first time that carries out.

Fig. 5 has in the technology prior art cam mechanism of the computer plain flat knitter with a braiding and loop transfer system to carry out tuck and be the descending needle trajectory map of needle selection for the first time that carries out.

Fig. 6 be the cam mechanism that has the computer plain flat knitter of a braiding and loop transfer system in prior art carry out three merits for and be the descending needle trajectory map of needle selection for the first time that carries out

Fig. 7 is that the cam mechanism that has the computer plain flat knitter of a braiding and loop transfer system in prior art carries out barring-on and is the descending needle trajectory map of needle selection for the first time that carries out.

Fig. 8 is that the cam mechanism that has the computer plain flat knitter of a braiding and loop transfer system in prior art carries out adapter ring and is the descending needle trajectory map of needle selection for the first time that carries out.

Fig. 9 is that the cam mechanism that has the computer plain flat knitter of a braiding and loop transfer system in prior art carries out front and back to turning over and being the descending needle trajectory map of needle selection for the first time that carries out.

Figure 10 is example block diagram of the present utility model.

Figure 11 is the take the needle schematic diagram of the utility model structure when not weaving.

Figure 13 is that the utility model structure weaves and for the descending Cam Track schematic diagram of needle selection for the first time that carries out.

Figure 14 is that the utility model structure is carried out tuck and is the descending Cam Track schematic diagram of needle selection for the first time that carries out.

Figure 15 is that the utility model structure is carried out three merit positions and is the descending Cam Track schematic diagram of needle selection for the first time that carries out.

Figure 16 is that the utility model structure is carried out barring-on and is the descending Cam Track schematic diagram of needle selection for the first time that carries out.

Figure 17 is that the utility model structure is carried out adapter ring and is the descending Cam Track schematic diagram of needle selection for the first time that carries out.

Figure 18 is to turning over and being the descending Cam Track schematic diagram of needle selection for the first time that carries out before and after the utility model structure is carried out.

Figure 19 is the schematic diagram that the needle selecting foot of knitting needle carries out the secondary needle selection.

The specific embodiment

refer to Figure 10, provided one piece of cam base plate 7, at the length direction on the top of this cam base plate 7 and be disposed with from left to right left guide pin triangular 6L, left degree order triangle 4L, herringbone triangle 1, right degree order triangle 4R and right guide pin triangular 6R, wherein: below corresponding to herringbone triangle 1, be provided with transfer cam 2, and be provided with stitch cam 3 below corresponding to transfer cam 2, at the length direction at the middle part of cam base plate 7 and be disposed with from left to right and part pin triangle 25L, left needle selecting foot guide triangular 11, right needle selecting foot guide triangular 12 on the left side and part pin triangle 25R on the right side, wherein: below between left and right needle selecting foot guide triangular 11,12, be disposed with from left to right left clear pin triangle 10L, rise cam 5 and right clear pin triangle 10R, on cam base plate 7 and in the position corresponding to below left needle selecting foot guide triangular 11, be fixed with left four sections slide cam selector 13L, and in the position corresponding to below right needle selecting foot guide triangular 12, be fixed with right four sections slide cam selector 13R, on cam base plate 7 and below corresponding to left four sections slide cam selector 13L, be provided with a left guide pin triangular 14L, and be provided with right guide pin triangular 14R below corresponding to right four sections slide cam selector 13R, wherein: in the top of the end corresponding to left guide pin triangular 14L (right-hand member shown in Figure 10), be provided with one first left side triangle 161 of pushing pin, and in the top of the other end corresponding to left guide pin triangular 14L (left end shown in Figure 10), be provided with one second left side triangle 162 of pushing pin, in the top of the end corresponding to right guide pin triangular 14R (left end shown in Figure 10), be provided with first right side triangle 163 of pushing pin, and in the top of the other end corresponding to right guide pin triangular 14R (right-hand member shown in Figure 10), be provided with one second right side triangle 164 of pushing pin, at the length direction of the bottom of cam base plate 7 and be disposed with from left to right left needle selecting foot reset triangle 20L, needle selecting foot reset triangle 20 and right needle selecting foot reset triangle 20R.

Aforesaid part on the left side pin triangle 25L, right clear pin triangle 10R, first left side push pin triangle 161 and second right side push pin triangle 164 with part triangle 163 and second left side triangle 162 interlocks of pushing pin of pushing pin of pin triangle 25R, left clear pin triangle 10L, first right side on the right side, and alternately pass in and out cam base plate 7.For example when parting push pin triangle 161 and second right side of pin triangle 25L, right clear pin triangle 10R, first left side on the left side, push pin triangle 164 while stretching out cam base plate 7, part so pin triangle 25R, left clear pin triangle 10L, first right side push pin triangle 162 retractions or the title of triangle 163 and second left side of pushing pin on the right side and imbed cam base plate 7, vice versa.

The technical essential of the technical scheme that provides as the utility model: be provided with a left side in the side corresponding to described rise cam 5 (diagram left side) and connect pin triangle 501, and be provided with a right side at the opposite side corresponding to rise cam 5 (diagram right side), connect pin triangle 502, and on an aforesaid left side clear pin triangle 10L and a left side, connect between pin triangle 501 and be provided with a left tuck cam 504, and connect between pin triangle 502 and be provided with a right tuck cam 503 on the aforesaid right side clear pin triangle 10R and the right side.On aforesaid left needle selecting foot guide triangular 11, form a left gathering sill 111 is arranged, and form, a right gathering sill 121 is arranged on described right needle selecting foot guide triangular 12, left gathering sill 111 connects towards an aforementioned side side that parts pin triangle 25L on the left side from left needle selecting foot guide triangular 11 to towards the side side of an aforementioned left side clear pin triangle 10L, and right gathering sill 121 connects to the side side towards the described right side clear pin triangle 10R towards an aforementioned side side that parts pin triangle 25R on the right side from right needle selecting foot guide triangular 12.

as can be known by said structure: the utility model scheme shows as the rise cam 5 in prior art by five triangles and forms, wherein: except the rise cam 5 on cam base plate 7 is fixed in reservation, also have a left side and connect pin triangle 501, the right side connects pin triangle 502, left tuck cam 504 and right tuck cam 503, and a left side is connect to pin triangle 501 and the right side to be connect pin triangle 502 and is designed to vertically to debouch cam base plate 7, left tuck cam 504 and right tuck cam 503 are arranged to vertically to pass in and out cam base plate 7 equally, thereby the processing that makes triangle is more simple and can guarantee the knitting needle trouble-free operation.

Please continue to see Figure 10, provide knitting needle 21 and needle selecting foot 24 in the needle tray that assigns into the flat pattern needle-bar, wherein: knitting needle 21 is arranged in the needle tray extreme higher position, and needle selecting foot 24 is positioned at the bottom of knitting needle 21, and knitting needle 21 and needle selecting foot 24 all can move up and down in needle tray.

The Knitting Principle of said structure is by four sections, the left side slide cam selector 13L with four sections needle selecting functions and right four sections slide cam selector 13R, needle selecting foot 24 to be selected, and, by first left side push pin triangle 164 and part push pin triangle 163, second left side of pin triangle 25R, left clear pin triangle 10L, first right side on the right side and push pin that the effect of lower heel of 162 pairs of needle selecting foots 24 of triangle is in needle selecting foot 24 not rise, the rising two states of triangle 161, second right side of pushing pin, make needle selecting foot 24 upper slice heels be in A or B position.Upper left needle selecting foot guide triangular 11, upper right needle selecting foot guide triangular 12 and needle selecting foot reset triangle 20 can make needle selecting foot 24 homings of selected rising.Specifically by Figure 11 to (diagonal line hatches in figure represents that triangle sinks to cam base plate) shown in Figure 180.

The utility model structure is in order to embody the technique effect in top technique effect hurdle comprehensively, thereby solved following two difficult points or claimed technical problem: one, and the needle selecting foot 24 how will elect for the first time separately enters cam base plate 7; Its two, how to ensure that the needle selecting foot 24 of selecting carries out the secondary needle selection.To this, can in following explanation, be understood by the applicant.

Refer to Figure 12 and Figure 13, suppose head right lateral (state shown in Figure 12), previous row need to weave that needle selecting foot 24 with barring-on has been selected by left four sections slide cam selector 13L and is pushed into the A position by second left side triangle 162 of pushing pin, part pin triangle 25L on the left side and imbed cam base plate 17, the needle selecting foot 24 that needs simultaneously adapter ring and tuck and do not weave is pressed into groove by left slide cam selector 13L, and needle selecting foot 24 rests on the B position and resetted by left needle selecting foot reset triangle 20L.The second row head right lateral (shown in Figure 13), part pin triangle 25L on the left side and stretch out cam base plate 7, and send the upper slice heel of the needle selecting foot of A position 24 to left needle selecting foot guide triangular 11 middle left gathering sill 111, left clear pin triangle 10L imbeds in cam base plate 7, needle selecting foot 24 contacts smoothly left tuck cam 504 or a left side and connects pin triangle 501, and the needle selecting foot 24Yan Yuan road of B position is returned by left four sections slide cam selector 13L secondary needle selections.

Refer to Figure 19, needle selecting foot 24 removes one, three, five, seven section by original eight sections, keeps two, four, six, eight sections.In like manner the blade of left and right four sections slide cam selector 13L, 13R also keeps D2, D4, D6, D8 section.When the needle selecting foot 24 upper slice heels of the A position of electing in advance enter left gathering sill 111 and right gathering sill 121,24 times sheet heels of needle selecting foot can just be by the slide cam selector blade D8 of slide cam selector 13 duties and the slide cam selector blade D6 of off position, and the needle selecting foot 24 of H position can carry out the secondary needle selection smoothly at the second row so.

Operation principle of the present utility model is described below:

Do not weave function :Refer to Figure 11, at this moment transfer cam 2, stitch cam 3, left tuck cam 504, right tuck cam 503 are imbedded cam base plate 7.Left four sections slide cam selector 13L and right four sections slide cam selector 13R do not work, and needle selecting foot 24 and knitting needle 21 all are in home position.

braiding function: refer to Figure 12 and Figure 13, suppose that previous row is to right travel (state shown in Figure 12), and the needle selecting foot 24 that will need the knitting needle that weaves 21 correspondences selects to the A position, the second row head commutation travel left (state shown in Figure 13), at this moment transfer cam 2, part pin triangle 25R on the right side, left clear pin triangle 10L, second left side triangle 162 of pushing pin, first right side triangle 163 of pushing pin is imbedded cam base plate 7, previous row preliminary election to the needle selecting foot 24 of A position is parted on the left side pin triangle 25L and is sent to the aforementioned difficult point solution of left gathering sill 111(), then by left tuck cam 504, lifted to the highest and descend along right needle selecting foot guide triangular 12 and right clear pin triangle 10R, right four sections slide cam selector 13R will need the needle selecting foot 24 of next line tuck to be pressed into needle tray, needle selecting foot 24 returns back to needle-like state to be selected and rests on the B position through right needle selecting foot reset triangle 20R afterwards, (synchronously) simultaneously, knitting needle 21 is pushed to stitch cam 3 and rises along stitch cam 3, and then knitting needle 21 completes whole braiding process (the braiding track is as shown in Figure 13 heavy line) along herringbone triangle 1 and left degree order triangle 4L decline.

The tuck function: refer to Figure 13 and Figure 14, suppose that the previous row Nose Left travels (state shown in Figure 13), right four sections slide cam selector 13R do not work, and needle selecting foot 24 rests on the B position and is in state to be selected.The second row head commutation is to right travel (state shown in Figure 14), and at this moment transfer cam 2, and the right side connects pin triangle 502, parts pin triangle 25L, right clear pin triangle 10R, second right side triangle 164 and first left side triangle 161 of pushing pin of pushing pin on the left side and imbeds cam base plate 7.need the needle selecting foot 24 of tuck to be chosen by right four sections slide cam selector 13R, and be pushed into the highest by first left side triangle 161 of pushing pin, needle selecting foot 24 upper slice heels contact rise cam 5, and along a left side, connect pin triangle 501 and left tuck cam 504 and rise, along left needle selecting foot guide triangular 11 and left clear pin triangle 10L, descend afterwards, left four sections slide cam selector 13L select the needle selecting foot 24 that next line need to weave, and be pushed into A position (as shown in Figure 14 solid line) by second left side triangle 162 of pushing pin, the needle selecting foot 24 that needs tuck and do not weave is pressed into needle tray, afterwards by right needle selecting foot reset triangle 20R and rest on B position state to be selected (as shown in Figure 14 dotted line), synchronously, needle selecting foot 24 drives knitting needles 21 and between pin triangle 501, connects the pin orbital motion along stitch cam 3 and left connecing, then along left tuck cam 504, rise again, finally along herringbone triangle 1 and left degree order triangle 4L, return back to initial position and complete whole tuck process (the tuck track is as shown in Figure 14 heavy line).

Three merit bit functions: realize the braiding function in same delegation, tuck function and do not weave function.Refer to Figure 14 and Figure 15, suppose that the previous row Airplane Nose Right travels (state shown in Figure 14), need the needle selecting foot 24 of braiding in the A position, need tuck and the needle selecting foot 24 that do not weave in the B position.The second row head commutation is travelled left (state shown in Figure 15), and at this moment transfer cam 2, a left side connect pin triangle 501, part pin triangle 25R on the right side, left clear pin triangle 10L, first right side push pin triangle 163, pushing pin in second left side, triangle 162 is imbedded cam base plate 7.The needle selecting foot 24 that previous row need to weave is parted on the left side pin triangle 25L and is sent to left gathering sill 111, then along left tuck cam 504, rises, and finally along right needle selecting foot guide triangular 12, is returned to the B position; Synchronously, knitting needle 21 is brought to stitch cam 3, and knitting needle 21 completes braiding (complete braid movement please refer to aforementioned braiding function, and the braiding track is as shown in Figure 15 heavy line) along herringbone triangle 1 and right degree order triangle 4R.Previous row needs the secondary needle selection of the needle selecting foot 24 of tuck through left four sections slide cam selector 13L, and push pin needle selecting foot 24 that triangle 161 will choose of first left side is pushed into the highlyest, and needle selecting foot 24 upper slice heels along rise cam 5, the right side, connect pin triangle 502 and right tuck cam 503 rises; Synchronously, knitting needle 21 is along stitch cam 3, and the right side connects the orbital motion tuck track (complete tuck action please refer to aforementioned tuck function, and the tuck track is as shown in Figure 15 chain-dotted line) between pin triangle 502 and right tuck cam 503.The needle selecting foot 24 that previous row does not weave is not by left four sections slide cam selector 13L and right four sections slide cam selector 13R work (choosing), then by needle selecting foot reset triangle 20, be reset to state to be selected, knitting needle 21 also rests on initial position (complete not braid movement please refer to aforementioned braiding function, does not weave track as shown in Figure 15 dotted line).Last needle selecting foot 24 returns back to initial position along right needle selecting foot guide triangular 12, then by right four sections slide cam selector 13R, is selected, and pushing pin in second right side, needle selecting foot 24 is pushed into to the A position is that the next line barring-on is prepared to triangle 164.

barring-on function: refer to Figure 15 and Figure 16, suppose previous row Nose Left travel (state shown in Figure 15), and will need the needle selecting foot 24 of knitting needle 21 correspondences of barring-on to select to the A position, the second row head commutation is to right travel (state as shown in figure 16), at this moment part pin triangle 25L on the left side, right clear pin triangle 10R, second right side triangle 164 and first left side triangle 161 of pushing pin of pushing pin is imbedded cam base plate 7, previous row preliminary election to the needle selecting foot 24 of A position is parted on the left side pin triangle 25L and is sent to the aforementioned difficult point solution of left gathering sill 111(), and rear left tuck cam 504 is lifted to the highest and clear pin triangle 10R decline along right needle selecting foot guide triangular 12 and the right side, right four sections slide cam selector 13R need the needle selecting foot 24 of adapter ring to be pressed into needle tray next line, needle selecting foot 24 returns back to needle-like state to be selected and rests on the B position through needle selecting foot reset triangle 20R afterwards, synchronously, knitting needle 21 is pushed to stitch cam 3 and rises along stitch cam 3 and transfer cam 2, and then knitting needle 21 completes whole barring-on process (the barring-on track is as shown in Figure 13 heavy line) along herringbone triangle 1 and left degree order triangle 4L decline

The adapter ring function: refer to Figure 16 and Figure 17, suppose that the previous row Airplane Nose Right travels (state shown in Figure 16), left four sections slide cam selector 13L do not work, and needle selecting foot 24 rests on the B position and is in state to be selected.The second row head commutation is travelled left (state shown in Figure 17), and at this moment a left side connects pin triangle 501, right tuck cam 503, parts pin triangle 25R on the right side, left clear pin triangle 10L, second left side push pin triangle 162 and push pin in first right side, and triangle 163 is imbedded cam base plate 7.need the needle selecting foot 24 of adapter ring to be chosen by right four sections slide cam selector 13R, and be pushed into the highest by first left side triangle 161 of pushing pin, the upper slice heel of needle selecting foot 24 contacts rise cam 5, and along a left side, connect pin triangle 501 and rise, along left needle selecting foot guide triangular 11 and left clear pin triangle 10L, descend afterwards, left four sections slide cam selector 13L need the needle selecting foot 24 of barring-on to select next line, and be pushed into A position (as shown in Figure 17 solid line) by second left side triangle 162 of pushing pin, need the needle selecting foot 24 of adapter ring to be pressed into needle tray, by right needle selecting foot reset triangle 20R, resetted afterwards and rest on B position state to be selected (as shown in Figure 17 dotted line), synchronously, needle selecting foot 24 drives knitting needles 21 along stitch cam 3 and leftly connects the adapter ring orbital motion between pin triangle 501, finally along herringbone triangle 1 and left degree order triangle 4L, returns back to initial position and completes whole adapter ring process (the adapter ring track is as shown in Figure 14 heavy line).

Front and back are to turning over function: with delegation, realize barring-on function and adapter ring function.Refer to Figure 17 and Figure 18, suppose that the previous row Nose Left travels (state shown in Figure 17), need the needle selecting foot 24 of barring-on in the A position, need the needle selecting foot 24 of adapter ring in the B position.The second row head commutation is to right travel (state shown in Figure 180), and at this moment left tuck cam 504, the right side connect pin triangle 502, part pin triangle 25L on the left side, right clear pin triangle 10R, first left side push pin triangle 161 and push pin in second right side, and triangle 164 is imbedded cam base plate 7.Previous row needs the needle selecting foot 24 of barring-on to be parted on the right side pin triangle 25R to send right gathering sill 121 to, then along right tuck cam 503, rise, finally along left needle selecting foot guide triangular 11, be returned to the B position; Synchronously, knitting needle 21 is pushed to stitch cam 3 and transfer cam 2, then along herringbone triangle 1 and right degree order triangle 4R, completes barring-on (complete barring-on action please refer to aforementioned barring-on function, and the barring-on track is as shown in Figure 15 heavy line).Previous row needs the secondary needle selection of the needle selecting foot 24 of adapter ring through right four sections slide cam selector 13R, first right side needle selecting foot 24 that triangle 163 will choose of pushing pin is pushed into the highest, the upper slice heel of needle selecting foot 24 moves along rise cam 5, and along a left side, connect 501 risings of pin triangle, finally along left needle selecting foot guide triangular 11, be returned to the B position; Synchronously, knitting needle 21 is along stitch cam 3 and the left orbital motion adapter ring track (complete adapter ring action please refer to aforementioned adapter ring function, and the adapter ring track is as shown in Figure 15 dotted line) that connects between pin triangle 501.

In sum, the technical scheme that the utility model provides has overcome the defect in the prior art, has completed the invention task, has cashed the technique effect in the superincumbent technique effect of applicant hurdle.

Claims (2)

1. the knitting mechanism of a computer plain flat knitter, comprise cam base plate (7), at the length direction on the top of this cam base plate (7) and be disposed with from left to right left guide pin triangular (6L), left degree order triangle (4L), herringbone triangle (1), right degree order triangle (4R) and right guide pin triangular (6R), wherein: in the below corresponding to herringbone triangle (1), be provided with transfer cam (2), and in the below corresponding to transfer cam (2), be provided with stitch cam (3), at the length direction at the middle part of cam base plate (7) and be disposed with from left to right and part pin triangle (25L), left needle selecting foot guide triangular (11), right needle selecting foot guide triangular (12) on the left side and part pin triangle (25R) on the right side, wherein: in the below corresponding between left and right needle selecting foot guide triangular (11,12), be disposed with from left to right left clear pin triangle (10L), rise cam (5) and right pin triangle (10R) clearly, in cam base plate (7), go up and be fixed with in the position of the below corresponding to left needle selecting foot guide triangular (11) left four sections slide cam selectors (13L), and in the position of the below corresponding to right needle selecting foot guide triangular (12), be fixed with right four sections slide cam selectors (13R), in cam base plate (7), above and in the below corresponding to left four sections slide cam selectors (13L) be provided with a left guide pin triangular (14L), and be provided with right guide pin triangular (14R) in the below corresponding to right four sections slide cam selectors (13R), wherein: in the top of the end corresponding to left guide pin triangular (14L), be provided with one first left side triangle (161) of pushing pin, and in the top of the other end corresponding to left guide pin triangular (14L), be provided with one second left side triangle (162) of pushing pin, in the top of the end corresponding to right guide pin triangular (14R), be provided with first right side triangle (163) of pushing pin, and in the top of the other end corresponding to right guide pin triangular (14R), be provided with one second right side triangle (164) of pushing pin, at the length direction of the bottom of cam base plate (7) and be disposed with from left to right left needle selecting foot reset triangle (20L), needle selecting foot reset triangle (20) and right needle selecting foot reset triangle (20R), it is characterized in that: in the side corresponding to described rise cam (5), be provided with a left side and connect pin triangle (501), and be provided with a right side at the opposite side corresponding to rise cam (5), connect pin triangle (502), and connect between pin triangle (501) and be provided with a left tuck cam (504) on the clear pin triangle in a described left side (10L) and a left side, and connect between pin triangle (502) and be provided with a right tuck cam (503) on the clear pin triangle in the described right side (10R) and the right side, in the upper formation of described left needle selecting foot guide triangular (11), one left gathering sill (111) is arranged, and in the upper formation of described right needle selecting foot guide triangular (12), one right gathering sill (121) is arranged, left gathering sill (111) connects to a side side of the clear pin triangle (10L) towards a described left side towards a described side side that parts pin triangle (25L) on the left side from left needle selecting foot guide triangular (11), right gathering sill (121) connects to a side side of the clear pin triangle (10R) towards the described right side towards a described side side that parts pin triangle (25R) on the right side from right needle selecting foot guide triangular (12).

2. the knitting mechanism of computer plain flat knitter according to claim 1, it is characterized in that pushing pin triangle (161) and second right side while pushing pin the described cam base plate of triangle (164) retraction (7) when the described pin triangle (25L), right clear pin triangle (10R), first left side of parting on the left side, described pin triangle (25R), left pin triangle (10L), first right side clearly triangle (163) and second left side triangle (162) of pushing pin of pushing pin that parts on the right side stretches out cam base plate (7); And push pin triangle (162) while stretching out cam base plate (7) when parting push pin triangle (161) and second right side of pin triangle (25L), right clear pin triangle (10R), first left side on the left side, part pin triangle (25R), left pin triangle (10L), first right side clearly triangle (163) and second left side triangle (162) the retraction cam base plate (7) of pushing pin of pushing pin on the right side.

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