CN202482577U

CN202482577U - Density triangle drive mechanism for computer flat knitting machine

Info

Publication number: CN202482577U
Application number: CN2012200297480U
Authority: CN
Inventors: 金永良; 付洪平; 钱新华
Original assignee: Jiangsu Jinlong Technology Co Ltd
Current assignee: Jiangsu Jinlong Technology Co Ltd
Priority date: 2012-01-30
Filing date: 2012-01-30
Publication date: 2012-10-10
Anticipated expiration: 2022-01-30

Abstract

The utility model relates to a density triangle drive mechanism for a computer flat knitting machine, which belongs to the technical field of knitting machinery. The computer flat knitting machine comprises a triangle bottom board, a left density triangle and a right density triangle. The density triangle drive mechanism comprises a base, and a motor and a transitional transmission device which are fixed on the base. The density triangle drive mechanism is characterized in that a first guide wheel groove is arranged on one surface on one side, facing to the base, of one end, matched with the transitional transmission device, of a left density triangle guide block; a second guide wheel groove is arranged on one surface of one side, facing to the base, of one end, matched with the transitional transmission device, of a right density triangle guide block; a first horn mouth is formed at one end, facing to the second guide wheel groove, of the first guide wheel groove in an expanding manner; a second horn mouth is formed at one end, facing to the first guide wheel groove, of the second guide wheel groove in an expanding manner; and the transitional transmission device comprises a mobile rack, a transmission belt, a first guide wheel and a second guide wheel. The density triangle drive mechanism for the computer flat knitting machine has the advantages that the structure is simplified, transmission links are reduced, an ideal matching effect is embodied, and the accuracy of position moving of the left density triangle and the right density triangle can be guaranteed.

Description

The density triangular driving 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 density triangular driving mechanism of computer plain flat knitter

Background technology

such as industry knowledge; The sparse density of different braided fabrics is different; And the change of the sparse density of braided fabric is to lean on the change in location of density triangular on cam base plate to realize; Again, the change in location of density triangular realizes that through density triangular driving mechanism this density triangular driving mechanism is commonly referred to density triangular controlling organization or governor motion.The Position Control of density triangular is realized make the movement locus of the knitting needle on the needle-bar (also claiming needle plate) to change by density triangular driving mechanism.

The TECHNICAL INFORMATION SOURCES of the density triangular driving mechanism of aforesaid computer plain flat knitter can be seen in from patent documentation; Typical in document A, " the density triangular governor motion of computer plain flat knitter " that Granted publication CN2646169Y recommends; " density triangular driving mechanism of computer plain flat knitter " (this patent is proposed by the applicant) that document B, Granted publication CN101215755B provide.Document A is by stepper motor drive tooth bar and by the track of tooth bar together with the mobile change action roller of wild goose formula guide rail, and then moves with lever form drive density triangular top board by cranking arm, thereby is moved by density triangular that the density triangular top board drives and it is fixing.The achievement part of this patent scheme is can be to the fine and closely woven location of density triangular; But, owing in the overall process that the density triangular position changes, have many links in work from stepper motor, so structure is comparatively complicated; Not only kinetic energy consumption is big, and the equal trouble very of manufacturing, I& M.

above-mentioned document B significantly simplifies the structure for document A; Basically remedied the said shortcoming of document A; The objective technique effect that has embodied Instructions Page 3 the 8th to 11 row of this patent; But still there is following shortcoming: the one, owing to the link of ordering about the density triangular displacement is still more, promptly at first by driven by motor cam, again by the cam driven jig arm with rotating function; And then drive the density triangular (roller is located on the density triangular guiding block of density triangular) that matches with jig arm through roller by jig arm, so stability and accuracy that density triangular moves receive certain influence; The 2nd, because fatigue phenomenon very easily appears in the spring of the spring clip that matches with jig arm; Thereby the fiting effect between the roller chamber of the roller that is located on the density triangular guiding block and jig arm is exerted an influence, finally cause density triangular to move inaccuracy and be difficult to satisfy the required sparse coherence request of braided fabric; The 3rd, in order to eliminate the aforementioned roller (patent is claimed second roller) that is arranged on the density triangular guiding block and the fit clearance between the roller chamber; The phase cancellation removes the movement warp of density triangular; Thereby on cam base plate and at the position corresponding to the density triangular guiding block, be provided with and stop spring, but stop that the setting of spring tends to increase resistance, cause the power consumption of motor to increase; Be unfavorable for energy savings, and stop spring to be easy to generate fatigue equally and lose due effect.

The applicant thinks, therefore the reason of the problems referred to above is necessary to improve due to being that the structure of the transition transmission device between motor and density triangular loses rationally, and the technical scheme that will introduce below produces under this background

Summary of the invention

The task of the utility model is to provide a kind of and helps to simplify the structure of transition transmission device and use to reduce and order about the transmission link of density triangular change in location; Help improving and the density triangular guiding block between the transmission fiting effect and use the stability that ensures that density triangular moves; And be of value to the fit clearance between control transition transmission device and the density triangular guiding block and use the density triangular driving mechanism of computer plain flat knitter of the accuracy of guarantee density triangular shift position.

The task of the utility model is accomplished like this; A kind of density triangular driving mechanism of computer plain flat knitter; Described computer plain flat knitter comprises that having left density triangular guiding block guide runner and right density triangular guiding block guide runner and left and right density triangular guiding block guide runner is cam base plate that splayed distributes each other, has the left density triangular of the left density triangular guiding block that is slidingly matched with left density triangular guiding block guide runner and has the right density triangular of the right density triangular guiding block that is slidingly matched with right density triangular guiding block guide runner; Described density triangular driving mechanism comprise be fixed on the said cam base plate and corresponding to a pedestal of the top of said left and right density triangular guiding block, be fixed on the pedestal a motor and move left and right ground and said pedestal towards one of cam base plate break away movingly not only with said drive of motor cooperation but also the transition transmission device that matches with said left and right density triangular guiding block; Be characterised in that: an end that matches with said transition transmission device at described left density triangular guiding block and offer one first guided wheel slot towards the surface of a side of said pedestal; And an end that matches with the transition transmission device at described right density triangular guiding block and offer one second guided wheel slot towards the surface of a side of pedestal equally; Wherein: first guided wheel slot is provided with first horn mouth of a width greater than the width of first guided wheel slot towards the end expansion of second guided wheel slot; And second guided wheel slot is provided with second horn mouth of a width greater than the width of second guided wheel slot towards the end expansion of first guided wheel slot; Described transition transmission device comprises movable stand, transmission bar, first guide wheel and second guide wheel; Movable stand is slidingly matched corresponding to the below of said pedestal and with pedestal; Side at the length direction of movable stand constitutes one first locating wheel sliding tray; And the opposite side of length direction constitutes one second locating wheel sliding tray, and mobile bar is fixed on the side of movable stand towards said pedestal, and cooperates with said drive of motor; First guide wheel and the second guide wheel pivot are arranged on the side of movable stand towards said cam base plate; Wherein: first guide wheel rolls with described first guided wheel slot and cooperates, and second guide wheel cooperates with described second guided wheel slot rolling, and said pedestal constitutes the chamber of soaring towards the middle position of the length direction of a side of said cam base plate; Side in this chamber of soaring is provided with at least one pair of first locating wheel rotationally; And opposite side is provided with at least one pair of second locating wheel rotationally, and wherein, first locating wheel rolls with the described first locating wheel sliding tray and cooperates; And second locating wheel cooperates with described second locating wheel sliding tray rolling; The motor shaft of said motor is insinuated in the chamber of soaring, and is fixed with a drive, and this drive cooperates with the transmission of described transmission bar.

in one of the utility model concrete embodiment, described motor is a clockwise and anticlockwise motor, and said drive is a gear, and described transmission bar is a tooth bar.

are in another concrete embodiment of the utility model; Be installed with a limiting plate at described movable stand towards a side of said pedestal and in an end end, on described pedestal and in position, offer a limiting plate slot to make way corresponding to said limiting plate corresponding to said transmission bar.

are in another concrete embodiment of the utility model; Described pedestal is fixed on the described cam base plate with airborne; And the central authorities at pedestal offer a motor axis hole, and the motor shaft of said motor is in motor axis hole is stretched over the said chamber of soaring.

in another concrete embodiment of the utility model, the rectangular body of the shape of said pedestal, and respectively constitute a balance leg in four bights of pedestal, each balance leg and said cam base plate are fixed.

also have among the concrete embodiment the utility model, and the shape of said balance leg is L-shaped.

the utility model more and among concrete embodiment, the shape of cross section of described limiting plate is L-shaped.

the utility model so that concrete embodiment in; On described cam base plate and in arranged outside, have one to be used to left density triangular resetting means that left density triangular guiding block is resetted together with described left density triangular corresponding to the length direction of said left density triangular guiding block; And on cam base plate and in arranged outside, have one to be used to right density triangular resetting means that right density triangular guiding block is resetted together with described right density triangular corresponding to the length direction of said right density triangular guiding block; Wherein: left density triangular resetting means matches with left density triangular guiding block, and right side density triangular resetting means matches with right density triangular guiding block.

the utility model again more and among concrete embodiment, the structure of described right density triangular resetting means is identical with the structure of described left density triangular resetting means.

are at again and then among concrete embodiment of the utility model; Left side density triangular resetting means comprises the first spring pole socket, first spring lever and first spring; The first spring pole socket is fixed on the described cam base plate; One end of first spring lever is located on the first spring pole socket slidably, and the other end is bearing on the described left density triangular guiding block, and first spring is nested with on first spring lever; One end bearing of this first spring is on left density triangular guiding block, and the other end is bearing on the first spring pole socket.

The technical scheme that the utility model provides has following technique effect with respect to prior art: one of which; Because the transition transmission device not only directly cooperates with drive of motor but also directly matches with first guided wheel slot of left density triangular guiding block and match with second guided wheel slot of right density triangular guiding block simultaneously; Therefore significantly simplify the structure, thereby transmission link is reduced; Its two because first, second guide wheel of transition transmission device can match with first, second guided wheel slot respectively, therefore help embodying desirable fiting effect, make the stability that moves of left and right density triangular be able to ensure; Its three because first, second guide wheel respectively and deposit the gap between first, second guided wheel slot hardly, therefore can guarantee the accuracy of left and right density triangular shift position.

Description of drawings

Fig. 1 is the example structure figure of the utility model.

Fig. 2 is the bottom schematic view of the cam base plate among Fig. 1.

The specific embodiment

can be expressly understood the technical spirit and the beneficial effect of the utility model more for the auditor that the makes Patent Office especially public; The applicant general elaborates with the mode of embodiment below; But the description to embodiment all is not the restriction to the utility model scheme, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be regarded as the technical scheme category of the utility model.

see also Fig. 1; According to known technology; The cam base plate 1 of computer plain flat knitter has a pair of of same structure; Cam base plate and Vee formation base plate before industry is referred to as, following description are to be directed against wherein one piece of cam base plate 1, on cam base plate 1 and in the position corresponding to left density triangular 2, offer a left density triangular guiding block sliding tray 11 and offer a right density triangular guiding block sliding tray 12 in the position corresponding to right density triangular 3.The position of density triangular 2 on cam base plate 1, a left side is towards a side of the needle-bar (also claiming needle plate) of computer plain flat knitter; Equally; The position of right density triangular on cam base plate 1 is towards a side of the needle-bar (also claiming needle plate) of computer plain flat knitter, and left and right density triangular 2,3 is splay distribution each other on cam base plate 1.On left density triangular 2, be fixed with a left density triangular guiding block 21 through one group of first hold-down screw 212; This density triangular guiding block 21 position on cam base plate 1, left side is back to aforesaid needle-bar; And be slidingly matched with aforesaid left density triangular guiding block guide runner 11; So when left density triangular guiding block 21 slides on left density triangular guiding block guide runner 11, just drive left density triangular 2 and move, the position of left density triangular 2 is changed; On right density triangular 3, be fixed with a right density triangular guiding block 31 through one group of second hold-down screw 312; This density triangular guiding block 31 position on cam base plate 1, right side is back to aforesaid needle-bar; And be slidingly matched with aforesaid right density triangular guiding block guide runner 12; So when right density triangular guiding block 31 slides on right density triangular guiding block guide runner 12, then drive right density triangular 3 and move, the position of right density triangular 3 is changed.

(this upper surface is meant under the present location status shown in Figure 1 towards last surface towards the upper surface of an end of the following transition transmission device 6 that also will describe in detail at aforesaid left density triangular guiding block 21; As follows) offer one first guided wheel slot 211; And offer one second guided wheel slot 311 towards the upper surface of an end of transition transmission device 6 at aforesaid right density triangular guiding block 31; Wherein: expand towards an end of second guided wheel slot 311 at first guided wheel slot 211 and to establish and constitute a width first horn mouth 2111 bigger than the width of first guided wheel slot 211; And be provided with second horn mouth 3111 of a width towards the end expansion of first guided wheel slot 211 greater than the width of second guided wheel slot 311 at second guided wheel slot 311; The width each other of first, second guided wheel slot 211,311 equates, first, second horn mouth 2111,3111 big or small mutually the same.

please continue referring to Fig. 1; Provided a pedestal 4 of the density triangular driving mechanism of the utility model; The geometry of this pedestal 4 is a cuboid, but can be square also, and present embodiment is selected the former; Four bights at this pedestal 4 respectively constitute a balance leg 43, and each balance leg 43 is fixing with first fixing screw hole 13 that is opened on the cam base plate 1 through balance leg hold-down screw 431.By shown in Figure 1, whole pedestal 4 is fixed on the cam base plate 1 with airborne through balance leg 43, and corresponding to the top of aforesaid left and right density triangular guiding block 2,3.Constitute the chamber 41 of soaring towards the middle position of the length direction of a side of cam base plate 1 at pedestal 4; Side in this chamber 41 of soaring is provided with a pair of first locating wheel 411 rotationally through the first location wheel shaft 4111, and is provided with a pair of second locating wheel 412 at the opposite side in the chamber 41 of soaring rotationally through the second location wheel shaft 4121.That is to say that one of them first locating wheel 411 in a pair of first locating wheel 411 is positioned at an end of a side in the chamber 41 of soaring; And another first locating wheel 411 is positioned at the other end of a side in the chamber 41 of soaring; One of them second locating wheel 412 in a pair of second locating wheel 412 is positioned at an end of the opposite side in the chamber 41 of soaring, and another second locating wheel 412 be positioned at the chamber 41 of soaring opposite side the other end.Certainly; If the quantity of first, second locating wheel 411,412 is respectively increased to three promptly accelerates; Should be regarded as so that equivalence changes and the inventive concept category that still belongs to the utility model people, still, the quantity of first, second locating wheel 411,412 at least respectively has a pair of (two).Again, be preset with a motor axis hole 44 in the central authorities of pedestal 4, and on pedestal 4 and towards a side of cam base plate 1, also offer a limiting plate slot to make way 42, this limiting plate slot to make way 42 communicates with motor axis hole 44.

What computer plain flat knitter had also been illustrated in in Fig. 1 turns over pin triangle 9; Pin triangular driving mechanism 91 connections of turning over of turning over pin triangle 9 are carried on pedestal 4 shortly; Because turning over pin triangular driving mechanism 91 belongs to prior art; And the function of turning over pin triangle 9 is that industry is known, and therefore, the applicant repeats no more.

are fixed on the aforesaid pedestal 4 through one group of motor hold-down screw 52 as the motor 5 of the density triangular driving mechanism that constitutes the utility model computer plain flat knitter; Specifically: on pedestal 4, offer one group of second fixing screw hole 45 (totally four); Screw in second fixing screw hole 45 by motor hold-down screw 52; Thereby motor 5 is fixed on the pedestal 4, and the motor shaft of motor 5 is stretched in the aforesaid chamber 41 of soaring, and is fixed with a drive 51; This drive 51 is a gear, cooperates with following transition transmission device 6 transmissions that are about to detail.

aforesaid motor 5 is a clockwise and anticlockwise motor, and is connected with controller (programmable controller < the PLC >) electrical control of computer plain flat knitter.

at length show the transition transmission device 6 of the density triangular driving mechanism that constitutes the utility model computer plain flat knitter in Fig. 1; This transition transmission device 6 preferably but not the structure that definitely is limited to is following: comprise movable stand 61, transmission bar 62, first guide wheel 63 and second guide wheel 64; Movable stand 61 is corresponding to the aforesaid chamber 41 of soaring; Side at the length direction of this movable stand 61 constitutes one first locating wheel sliding tray 611; And the opposite side of the length direction of movable stand 61 constitutes one second locating wheel sliding tray 612, and particularly, the first locating wheel sliding tray 611 is in the face of aforesaid first locating wheel 411; And the second locating wheel sliding tray 612 is in the face of aforesaid second locating wheel 412; More particularly, aforesaid a pair of first locating wheel 411 rolls with the first locating wheel sliding tray 611 and cooperates, and aforesaid a pair of second locating wheel 612 rolls with the second locating wheel sliding tray 612 and cooperates.Transmission bar 62 usefulness the 3rd hold-down screw 621 is fixed towards a side of aforesaid pedestal 4 with movable stand 61.By shown in Figure 1; The position of transmission bar 62 on movable stand 61 followed in the position of the aforesaid second locating wheel sliding tray 612; And in the present embodiment, select transmission bar 62 and be tooth bar, be meshed with transmission bar 62 (tooth bar) for aforesaid drive 51 (gear).First guide wheel 63 is arranged on the side of movable stand 61 towards cam base plate 1 rotationally through first guide wheel shaft 631, and second guide wheel 64 is arranged on the side of movable stand 61 towards cam base plate 1 rotationally through second guide wheel shaft 641.Wherein: first guide wheel 63 matches with aforesaid first guided wheel slot 211 (roll and cooperate), and second guide wheel 64 matches with aforesaid second guided wheel slot 311 (rolling cooperates).On aforesaid movable stand 61 and in position, be fixed with the L-shaped limiting plate of a shape of cross section 613 through the 4th hold-down screw 6131 corresponding to the end (being illustrated as right-hand member) of transmission bar 62; This limiting plate 613 is corresponding with aforesaid limiting plate slot to make way 42, promptly probes in the limiting plate slot to make way 42.With present location status shown in Figure 1 is example; When drive 51 drives transmission bar 62 to left dislocation; Then play the effect that movable stand 61 is controlled to the limit degree of left dislocation by limiting plate 613; Particularly, when limiting plate 13 touched the hole wall with aforesaid limiting plate slot to make way 42 corresponding motor axis holes 44, then movable stand 61 was because of suffering the stopping no longer to left dislocation of limiting plate 613.The cell wall of aforesaid first guide wheel 63 and first guided wheel slot 211 is tangent; The cell wall of same second guide wheel 64 and second guided wheel slot 311 is tangent; Thereby can guarantee the fiting effect of first guide wheel 63 and first guided wheel slot 211 and eliminate the gap; With example, can guarantee the fiting effect of second guide wheel 64 and second guided wheel slot 311 and eliminate the gap.

are then referring to Fig. 1; On cam base plate 1 and in the arranged outside corresponding to the length direction of left density triangular guiding block 21, one left density triangular resetting means 7 is arranged and in the arranged outside corresponding to the length direction of right density triangular guiding block 31 one right density triangular resetting means 8 is arranged, the structure of left and right density triangular resetting means 7,8 is mutually the same.Left side density triangular resetting means 7 comprises the first spring pole socket 71, first spring lever 72 and first spring 73; The first spring pole socket 71 is fixing with cam base plate 1 through the 5th hold-down screw 711; One end of first spring lever 72 is located on the first spring pole socket 71 slidably and leans out the first spring pole socket 71; End end at this first spring lever 72 that leans out the first spring pole socket 71 is provided with one first catch 721; The other end of first spring lever 72 promptly towards an end bearing of left density triangular guiding block 21 on left density triangular guiding block 21; Preferred scheme is on left density triangular guiding block 21 and at the position corresponding to first spring lever 72, to be concaved with a brood of 22 (also can claim pit), and first spring lever 72 probes in the nest 22.First spring 73 is nested with on first spring lever 72, and an end bearing of this first spring 73 is on (keeping out) left density triangular guiding block 21, and the other end is bearing on (keeping out) first spring pole socket 71.Preferably, also can set firmly a spacing catch or directly constitute a spacing bead, so that supply 73 supportings of first spring at the end of first spring lever 72 towards left density triangular guiding block 21.

illustrated right density triangular resetting means 8 comprises the second spring pole socket 81, second spring lever 82 and second spring 83; The second spring pole socket 81 is fixing with cam base plate 1 through the 6th hold-down screw 811; One end of second spring lever 82 is located on the second spring pole socket 81 slidably and leans out the second spring pole socket 81; End end at this second spring lever 82 that leans out the second spring pole socket 81 is provided with one second catch 821; The other end of second spring lever 82 promptly towards an end bearing of right density triangular guiding block 31 on right density triangular guiding block 31, support pattern is as the description to first spring lever 72.Second spring 83 is nested with on second spring lever 82; One end bearing of this second spring 83 is on (keeping out) right density triangular guiding block 31; And the other end is bearing on (keeping out) second spring pole socket 81, and all the other are with the description to left density triangular resetting means 7.

see also Fig. 2, and are shown in Figure 2 by this, the both sides of having mentioned above left and right density triangular 2,3 corresponds respectively to of turning over pin triangle 9.

applicant combines Fig. 1 and Fig. 2 to describe the operation principle of the utility model; When the motor 5 of the PLC that is controlled by computer plain flat knitter (programmable controller) is worked; For example when motor 5 turns clockwise; Owing to the drive 51 (gear) on the motor shaft that is fixed on motor 5 is to be meshed with the transmission bar 62 (tooth bar) of transition transmission device 6; Again owing to be slidingly fitted with a pair of first locating wheel 411 and with a pair of second locating wheel 412 corresponding in the chamber 41 of soaring and movable stand 61 that be fixed with transmission bar 62; Also owing to be arranged on first, second guide wheel 63,64 on the movable stand 61 rotationally and roll with first, second system guided wheel slot 211,311 of left and right density triangular guiding block 2,3 respectively and cooperate; Therefore in the process that drive 51 clockwise rotates, driving transmission bar 62 moves right; Movable stand is moved right, thereby promote right density triangular guiding block 31 displacements by second guide wheel 64 by means of second guided wheel slot 311, second spring lever 82 of the right density triangular resetting means 8 of this moment moves; The compression of second spring 83, right density triangular 3 moves down promptly under the drive of right density triangular guiding block 31 to bottom offset right density triangular guiding block 31.Meanwhile; Because first guide wheel 63 is at this moment corresponding to the position of first horn mouth 2111 that promptly is in first guided wheel slot 211; Therefore do not have an effect with left density triangular guiding block 2; So under the restoring force effect of first spring 73,, promptly reset with of the top slippage of left density triangular guiding block 21 towards left density triangular guiding block guide runner 11.Otherwise; When motor 5 is done work counterclockwise, then by first guide wheel 63 by means of first guided wheel slot 211 make left density triangular guiding block 21 take (together with) left density triangular 2 is to bottom offset, and second guide wheel 64 is because of the position of second horn mouth 3111 that has been in second guided wheel slot 311; So do not have an effect with right density triangular guiding block 3; So under the restoring force effect of second spring 83,, promptly reset with of the top slippage of right density triangular guiding block 31 towards right density triangular guiding block guide runner 12.The technological requirement of so setting according to PLC makes left and right density triangular 2,3 alternately displacements.

In sum, the technical scheme that the utility model provides has overcome the deficiency in the prior art objectively, has accomplished the invention task, has embodied alleged technique effect in the superincumbent technique effect of the applicant hurdle all sidedly

Claims

1. the density triangular driving mechanism of a kind of computer plain flat knitter; Described computer plain flat knitter comprises that having left density triangular guiding block guide runner (11) and right density triangular guiding block guide runner (12) and left and right density triangular guiding block guide runner (1,12) is cam base plate (1) that splayed distributes each other, has the left density triangular (2) of the left density triangular guiding block (21) that is slidingly matched with left density triangular guiding block guide runner (11) and has the right density triangular (3) of the right density triangular guiding block (31) that is slidingly matched with right density triangular guiding block guide runner (12); Described density triangular driving mechanism comprise be fixed on the said cam base plate (1) and corresponding to the pedestal (4) of the top of said left and right density triangular guiding block (21,31), be fixed on the pedestal (4) a motor (5) and move left and right ground and said pedestal (4) towards one of cam base plate (1) break away movingly not only with said motor (5) transmission cooperation but also the transition transmission device (6) that matches with said left and right density triangular guiding block (2,3); It is characterized in that: an end that matches with said transition transmission device (6) at described left density triangular guiding block (21) and offer one first guided wheel slot (211) towards the surface of a side of said pedestal (4); An and end that matches with transition transmission device (6) at described right density triangular guiding block (31) and offer one second guided wheel slot (311) towards the surface of a side of pedestal (4) equally; Wherein: first guided wheel slot (211) is provided with first horn mouth (2111) of a width greater than the width of first guided wheel slot (211) towards the end expansion of second guided wheel slot (311); And second guided wheel slot (311) is provided with second horn mouth (3111) of a width greater than the width of second guided wheel slot (311) towards the end expansion of first guided wheel slot (211); Described transition transmission device (6) comprises movable stand (61), transmission bar (62), first guide wheel (63) and second guide wheel (64); Movable stand (61) is slidingly matched corresponding to the below of said pedestal (4) and with pedestal (4); Side at the length direction of movable stand (61) constitutes one first locating wheel sliding tray (611); And the opposite side of length direction constitutes one second locating wheel sliding tray (612); Move bar (62) and be fixed on the side of movable stand (61) towards said pedestal (4); And cooperate with said motor (5) transmission, first guide wheel (63) and second guide wheel (64) pivot are arranged on the side of movable stand (61) towards said cam base plate (1), and wherein: first guide wheel (63) rolls with described first guided wheel slot (211) and cooperates; And second guide wheel (64) cooperates with described second guided wheel slot (311) rolling; Said pedestal (4) constitutes the chamber (41) of soaring towards the middle position of the length direction of a side of said cam base plate (1), the side in this chamber of soaring (41) is provided with at least one pair of first locating wheel (411) rotationally, and opposite side is provided with at least one pair of second locating wheel (412) rotationally; Wherein, First locating wheel (411) rolls with the described first locating wheel sliding tray (611) and cooperates, and second locating wheel (412) cooperates with the described second locating wheel sliding tray (612) rolling, and the motor shaft of said motor (5) is insinuated in the chamber of soaring (41); And be fixed with a drive (51), this drive (51) cooperates with described transmission bar (62) transmission.

2. the density triangular driving mechanism of computer plain flat knitter according to claim 1 is characterized in that described motor (5) is a clockwise and anticlockwise motor, and said drive (51) is a gear, and described transmission bar (62) is a tooth bar.

3. the density triangular driving mechanism of computer plain flat knitter according to claim 1; It is characterized in that being installed with a limiting plate (613) towards a side of said pedestal (4) and in an end end, on described pedestal (4) and in position, offer a limiting plate slot to make way (42) corresponding to said limiting plate (613) corresponding to said transmission bar (62) at described movable stand (61).

4. the density triangular driving mechanism of computer plain flat knitter according to claim 1; It is characterized in that described pedestal (4) is fixed on the described cam base plate (1) with airborne; And the central authorities at pedestal (4) offer a motor axis hole (44), and the motor shaft of said motor (5) is in motor axis hole (44) is stretched over the said chamber of soaring (41).

5. are according to the density triangular driving mechanism of claim 1 or 4 described computer plain flat knitters; The rectangular body of shape that it is characterized in that said pedestal (4); And four bights at pedestal (4) respectively constitute a balance leg (43), and each balance leg (43) is fixing with said cam base plate (1).

6. the density triangular driving mechanism of computer plain flat knitter according to claim 5 is characterized in that the shape of said balance leg (43) is L-shaped.

7. the density triangular driving mechanism of computer plain flat knitter according to claim 3 is characterized in that the shape of cross section of described limiting plate (613) is L-shaped.

8. the density triangular driving mechanism of computer plain flat knitter according to claim 1; It is characterized in that going up and having one to be used to left density triangular resetting means (7) that left density triangular guiding block (21) is resetted together with described left density triangular (2) in arranged outside corresponding to the length direction of said left density triangular guiding block (21) in described cam base plate (1); And go up and have one to be used to right density triangular resetting means (8) that right density triangular guiding block (31) is resetted together with described right density triangular (3) in arranged outside corresponding to the length direction of said right density triangular guiding block (31) in cam base plate (1); Wherein: left density triangular resetting means (7) matches with left density triangular guiding block (21), and right side density triangular resetting means (8) matches with right density triangular guiding block (31).

9. the density triangular driving mechanism of computer plain flat knitter according to claim 8, the structure that it is characterized in that described right density triangular resetting means (8) is identical with the structure of described left density triangular resetting means (7).

10. The density triangular driving mechanism of computer plain flat knitter according to claim 8; It is characterized in that left density triangular resetting means (7) comprises the first spring pole socket (71), first spring lever (72) and first spring (73); The first spring pole socket (71) is fixed on the described cam base plate (1); One end of first spring lever (72) is located on the first spring pole socket (71) slidably, and the other end is bearing on the described left density triangular guiding block (21), and first spring (73) is nested with on first spring lever (72); One end bearing of this first spring (73) is on left density triangular guiding block (21), and the other end is bearing on the first spring pole socket (71)