CN105133168B - A kind of flat braiding machine - Google Patents

Abstract

The present invention relates to a kind of flat braiding machine, including preceding needle-bar, rear needle-bar, transfer needle and triangular knitting mechanism, transfer needle is placed in the needle tray on forward and backward needle-bar, two triangular knitting mechanisms are respectively placed in above forward and backward needle-bar, also include coverer, the first drive mechanism and the second drive mechanism being arranged on triangular knitting mechanism, it is movable that first drive mechanism promotes coverer to do, and the second drive mechanism promotes transfer needle corresponding with the coverer current location to be moved in the needle tray on needle-bar.The present invention is organized in completing two-sided tissue such as Siping City, rib-loop and jacquard weave etc. using the one piece or more pieces coverer with triangular knitting mechanism movement and corresponding one piece in the needle-bar needle tray of opposite side or the cooperations of more pieces of transfer needles and realizes bright narrowing, and cable stitch, required barring-on braiding when eyelet stitch and the traversing weave of coil, both the barring-on needle plate isometric with needle-bar and a large amount of coverers can have been saved, has been also convenient for operation so as to substantially reduce cost and improve operating efficiency.

Description

A kind of flat braiding machine

Technical field

The present invention relates to braider, more particularly to a kind of flat braiding machine.

Background technology

Flat braiding machine common at present is provided with former and later two needle-bars, and distinguishing parallel side-by-side on two needle-bars sets some needle trays, Each needle tray is built-in with a knitting needle, and the flat braiding machine of this kind of structure can not be to two-sided tissue such as Siping City, sieve of the braiding of front and rear knitting needle The tissue such as line and jacquard weave carries out bright narrowing, can not do cable stitch, the braiding for the tissues such as eyelet stitch and coil are traversing.

The Publication No. CN108714 2A straight-bar machines for having transfer device is that Japanese Shima Seiki Mfg. Ltd. is to solve above-mentioned narrowing Problem and design, see Figure 19,20, the straight-bar machines above forward and backward needle-bar 4A, 4B of common flat braiding machine respectively increase by one barring-on Device, the transfer device are mainly made up of barring-on needle plate 27A, 27B, coverer 29A, 29B and corresponding selecting mechanism 30.Barring-on Needle plate 27 A, 27B are separately fixed at preceding needle-bar 4A and rear needle-bar 4B top by supporting member 26 respectively, barring-on needle plate 27A, 27B is provided with coverer 29A, 29B corresponding with upper knitting needle 3A, 3B quantity of needle-bar 4A, 4B, therefore barring-on needle plate 27A, 27B Length is suitable with needle-bar 4A, 4B.When carrying out narrowing braiding, selecting mechanism 30 releases the coverer 29A or 29B that choose, makes Its knitting needle 3B or 3A mating reaction stretched out upwards corresponding with needle-bar 4B or 4A, shifting is transferred to by the coil on knitting needle 3B or 3A Enclose on pin 29A or 29B, now one needle gage of barring-on needle plate 27A or 27B transverse shifting, make the coverer 29A or 29B that chooses with The adjacent knitting needle of original knitting needle is corresponding, then coordinates principle to turn the coil on coverer by identical coverer and knitting needle again Move on on the knitting needle, complete barring-on action, so as to realize narrowing braiding.

There is such deficiency for the above-mentioned straight-bar machines for having a transfer device：It is suitable with needle-bar length simultaneously to be primarily due to barring-on needle plate And the top of needle-bar is placed in, this just makes barring-on needle plate be completely covered by needle-bar, it has not been convenient to which operator is to needle motion on needle-bar The observation of state and the installation maintenance to knitting；Simultaneously because add two needle plates and quantity almost identical with needle-bar length With knitting needle identical coverer so that the manufacturing cost of straight-bar machines greatly increases；Other barring-on needle plate needs independent Yi Chuan mechanisms, So as to cause control system complicated, cost increase.

The content of the invention

It is an object of the invention to provide a kind of flat braiding machine with double knitting narrowing function, and this horizontal braiding Machine only need to slightly be improved on existing common flat braiding machine head and achieved that, cost is low.

To achieve the above object, flat braiding machine of the invention, including preceding needle-bar, rear needle-bar, transfer needle and provided with triangle The head of knitting mechanism, transfer needle are placed in the needle tray on needle-bar, and head is placed in above needle-bar and left and right horizontal stroke is done on needle-bar To reciprocating motion；Characterized by further comprising the barring-on unit being arranged at least on the triangular knitting mechanism of side；Each shifting Coil unit includes：At least one piece of coverer；For driving the coverer to do the first movable drive mechanism；For driving The second drive mechanism that the transfer needle of barring-on action moves in needle tray on needle-bar is carried out with the coverer.

The coverer includes the first coverer and the second coverer.

Further, the coverer is arranged on the side triangular knitting mechanism above preceding needle-bar or rear needle-bar, or is set Put on the both sides triangular knitting mechanism above preceding needle-bar and rear needle-bar；Coverer above preceding needle-bar on triangular knitting mechanism with Barring-on action is completed in the interaction of corresponding transfer needle on needle-bar afterwards, the coverer above rear needle-bar on triangular knitting mechanism with Barring-on action is completed in corresponding transfer needle interaction on preceding needle-bar.

The coverer is arranged on triangular knitting mechanism by coverer installing plate, the coverer installing plate fix or It is slidably arranged on triangular knitting mechanism, then coverer is slided or is fixedly provided on the coverer installing plate, described It is movable that first drive mechanism drives coverer or coverer installing plate to do, and coverer is movable and corresponding transfer needle Interaction, complete barring-on action.

First drive mechanism is arranged on coverer installing plate, is driven and is moved along a straight line before and after coverer, and described the Two drive mechanisms correspond to the position of needle groove installed in triangular knitting mechanism, and driving transfer needle does straight line fortune along the needle tray Dynamic, first drive mechanism and the second drive mechanism are transmission mechanism of the output end for linear motion, to drive barring-on Pin and transfer needle move linearly.

Further, the output end includes rack and pinion drive mechanism for the transmission mechanism of linear motion or eccentric wheel passes Motivation structure.

First, second drive mechanism formed by eccentric wheel drive mechanism includes eccentric wheel, sliding seat, on the sliding seat Provided with rectangular channel, groove width is adapted with eccentric wheel diameter, and flute length is at least eccentric wheel diameter and eccentric throw sum, and sliding seat presses groove Wide along direction placement is moved forward and backward, eccentric wheel is eccentric and is fixedly installed on machine shaft, and eccentric wheel rotates, before and after making sliding seat Slide.The sliding seat of eccentric wheel drive mechanism for being arranged in the first drive mechanism connects coverer or the coverer peace Loading board, it is movable that sliding seat drives coverer or coverer installing plate to do, and makes coverer and corresponding transfer needle phase interaction With completion barring-on action；For the sliding seat connection described second for the eccentric wheel drive mechanism being arranged in the second drive mechanism Transfer cam, sliding seat drive the second transfer cam to move forward and backward, transfer needle is moved along the needle tray, coordinate corresponding move Enclose pin and complete barring-on action.

Above-mentioned flat braiding machine also includes the first transverse moving mechanism for making transfer needle transverse shifting on needle-bar, or also wraps Including makes the second transverse moving mechanism of coverer transverse shifting, and the described first or second transverse moving mechanism is knitted by adjusting barring-on The lateral attitude of pin or coverer, transfer needle or coverer is set to be interacted with corresponding coverer or transfer needle, it is complete Acted into barring-on.

Further, the screw nut driven mechanism includes sliding panel, leading screw, nut, fulcrum bearing and motor, described in two Support base is fixedly installed in the cam base plate in the triangular knitting mechanism, and the nut is fixedly installed on the sliding panel On, the leading screw is supported in two fulcrum bearings and the nut that spins, and the coverer installing plate for being equipped with the coverer is consolidated Surely it is arranged on sliding panel, the motor connection leading screw, leading screw, which rotates, makes nut drive sliding panel horizontal along leading screw transverse shifting Mobile, coverer is by coverer installing plate with sliding panel transverse shifting.

For the different facilities of reciprocating mechanism, if the triangular knitting mechanism above the both sides needle-bar is by one Connecting bracket is connected, then both sides triangular knitting is driven by the reciprocating mechanism located at preceding needle-bar or rear needle-bar side, Left and right traverse motion is done on needle-bar；If the connectionless support connection of both sides triangular knitting mechanism, above the both sides needle-bar Triangular knitting mechanism is driven respectively by the reciprocating mechanism located at preceding needle-bar and rear needle-bar side respectively, and left and right is done on needle-bar Traverse motion.

Coverer is arranged on head by the present invention, by coverer with the motion completion of head and needle-bar correspondence position The barring-on action of knitting needle, so as to save the barring-on needle plate with needle-bar nearly equal length, makes structure more succinct, is easy to the dimension of straight-bar machines Shield, facilitates the replacing of knitting needle；And seldom coverer is only needed, saves the coverer of almost quantity identical with knitting needle, and this A little coverers are to act simultaneously, it is not necessary to selecting mechanism；The fore-aft motion of coverer is by motor control so that coverer acts more Reliably, while barring-on is to imitate manual action, is realized in the case where head is motionless, participate in one piece on the needle-bar of barring-on or More pieces of transfer needles act simultaneously with corresponding coverer, are not influenceed by handpiece speed, and barring-on action is more reliable；The present invention with Similar flat braiding machine is compared in the prior art, such as compared with having the flat braiding machine of transfer device disclosed by background technology, due to Without two almost with barring-on needle plate that needle-bar is isometric, without the selecting mechanism corresponding to coverer and corresponding control triangle, only Seldom coverer is needed, so that production cost substantially reduces.

Brief description of the drawings

Fig. 1 is the embodiment of flat braiding machine one of the present invention（Embodiment 1）Structural representation, be wherein both sides three shown in a figures Angle knitting mechanism is connected by connecting bracket, is triangular knitting mechanism connectionless support connection in both sides shown in b figures.

Fig. 2 is the A direction views of flat braiding machine shown in Fig. 1（Remove connecting bracket）.

Fig. 3 is the structural representation of the knitting needle combination in needle tray and needle tray on forward and backward needle-bar.

Fig. 4 is the structural representation of coverer, and a, b figure are the structural representation of first, second coverer respectively.

Fig. 5 is that coverer is slidably arranged on coverer installing plate in one embodiment of the invention, and by rack pinion Mechanism drives coverer to be moved in corresponding needle tray and the schematic diagram in diverse location, and a, b figure represent that coverer is shunk in respectively Needle tray is interior and stretches out the schematic diagram of outer two diverse locations of needle tray.

Fig. 6 is transfer needle and the second drive mechanism formed by rack and pinion drive mechanism in needle tray on forward and backward needle-bar Connection relationship diagram.

Fig. 7 is a kind of structural representation of triangular knitting mechanism in flat braiding machine of the present invention, and wherein a, b figure represents respectively Second transfer cam 43 of driving transfer needle is in initial position and moves to the view of the top.

Fig. 8 is flat braiding machine of the present invention coverer and laterally opposed position of transfer needle during barring-on first is carried out Relation schematic diagram.

Fig. 9 is the coverer and transfer needle movement decomposition schematic diagram during barring-on first.

Figure 10 is flat braiding machine of the present invention transfer needle and laterally opposed position of coverer during barring-on second is carried out Put relation schematic diagram.

Figure 11 is transfer needle and coverer movement decomposition schematic diagram during barring-on second.

Figure 12 is that coverer is fixedly installed on the coverer installing plate in another embodiment of the present invention, and by eccentric wheel Transmission mechanism driving coverer installing plate moves and the schematic diagram in diverse location in chute, and a, b figure represent barring-on respectively Pin installing plate is in the schematic diagram of chute opposite posterior and the diverse location of front side two.

Figure 13 is the schematic diagram of eccentric wheel drive mechanism.

Figure 14 is transfer needle and the second drive mechanism formed by eccentric wheel drive mechanism in needle tray on forward and backward needle-bar Connection relationship diagram.

Figure 15 is the structural representation of the second transverse moving mechanism formed by screw nut driven mechanism.

Figure 16 is the side view of transverse moving mechanism shown in Figure 15.

Figure 17 is the structural representation of the second transverse moving mechanism formed by eccentric wheel drive mechanism.

Figure 18 is the side view of transverse moving mechanism shown in Figure 15.

Figure 19 is the partial front schematic diagram for having transfer device straight-bar machines of Japanese Shima Seiki Mfg. Ltd..

Figure 20 is the local schematic longitudinal section for having transfer device straight-bar machines of Japanese Shima Seiki Mfg. Ltd..

Embodiment

Embodiment 1

Flat braiding machine of the invention as shown in Figure 1, 2, there is a lathe bed 1, the lathe bed 1 be provided with two it is symmetrical it is tilting before Needle-bar 11 and rear needle-bar 12, forward and backward needle-bar upper end close to each other forms nozzle 10, respective in preceding needle-bar 11 and rear needle-bar 12 Top is respectively equipped with corresponding triangular knitting mechanism 3, and triangular knitting mechanism 3 is driven in corresponding side pin by reciprocating mechanism 9 Traverse motion is done on bed, preceding needle-bar 11 and rear needle-bar 12 are laterally moved by shaking table mechanism 8.

The reciprocating mechanism 9 of the present embodiment is arranged on needle-bar side, is mainly made up of timing belt 91 and synchronizing wheel 92,93 And it is driven by transmission mechanism 94.In order that side reciprocating mechanism 9 can drive the triangular knitting mechanism 3 of both sides to move simultaneously, Using a connecting bracket 01, the triangular knitting mechanism 3 of both sides is connected, so as to form head 0, such as a figures in Fig. 1, so, one The reciprocating mechanism of side can drive the reciprocating motion that the triangular knitting mechanism of both sides synchronizes.Certainly also can be in needle-bar two Side sets reciprocating mechanism 9 respectively, to be driven respectively to the triangular knitting mechanism of respective side, under such a drive state, Connectionless support 01 between both sides triangular knitting mechanism 3, such as the b figures in Fig. 1.

Transverse moving mechanism in the present embodiment needed for barring-on uses the first transverse moving mechanism, i.e. shaking table mechanism 8.This shakes Bed mechanism 8 may be provided on the needle-bar of side, such as be arranged on preceding needle-bar 11 or rear needle-bar 12；Also can be on the needle-bar of both sides simultaneously Set.The present embodiment sets shaking table mechanism 8 simultaneously on front and rear sides needle-bar, and shaking table mechanism 8 uses screw nut driven machine Nut 81, i.e., be connected to the lower section of front and rear sides needle-bar by structure, and leading screw 82 is laterally disposed and the nut 81 that spins.When leading screw rotates, Needle-bar 11 or rear axial movement of the needle-bar 12 along leading screw 82 before nut drives, that is, transverse shifting.

Such as Fig. 3, the needle tray 13 that some parallel side-by-sides are set is respectively equipped with forward and backward needle-bar, one is accommodated in each needle tray 13 Knitting needle combination, the knitting needle combination include the needle jack 71 of transfer needle 72 and interlocking above transfer needle 72.On needle jack 71 Side is provided with the preceding pin heel 712 and rear pin heel 711 for protruding from upper side edge., will if the transfer needle 72 participates in related braid movement The selecting mechanism being set is chosen, and preceding pin heel 712 and the ejection of rear pin heel 711 on its corresponding needle jack 71, two pin heel will be convex For the top of notch 131 of needle tray 13, so corresponding pin heel can just be acted on by pushing and pressing of the corresponding triangle to it, and this Transfer needle 72 is moved along needle tray 13 under promotion, complete corresponding braid movement.If being not involved in related braid movement, preceding pin heel 712 and rear pin heel 711 sink in the needle tray of the lower section of notch 131, transfer needle 72 can not be passed through by corresponding triangle to be endured to corresponding The effect of the forward and backward pin heel of faller gill, is allowed to move along needle tray 13.

Barring-on unit is set on the triangular knitting mechanism 3 of above-mentioned preceding needle-bar 11 and the top at least side of rear needle-bar 12, Barring-on unit in the present embodiment is symmetricly set on the triangular knitting mechanism of both sides, naturally it is also possible to which asymmetry is set.Each shifting Coil unit includes at least one piece of coverer, the first drive mechanism 2 for driving the coverer and for driving and the coverer phase The second drive mechanism 4 that the transfer needle of interaction moves in the needle tray on needle-bar.

Coverer in barring-on unit can be the first coverer 70, as shown in a figures in Fig. 4, can also be moved with second Pin 70 ' is enclosed, as shown in the b figures in Fig. 4.Bar portion 700 of first coverer 70 with sheet, the front end of the bar portion are triangular in shape Line hooking portion 702, reed is set in the one side of line hooking portion 702 slightly rearward position, to expand the coil of required shifting so as to be formed Expand circle portion 704；The rear end of bar portion is the pin heel 701 being upturned, and is the controlled components of the first coverer 70.Second coverer 70 ' is essentially identical with existing transfer needle, has line hooking portion 702 ', needle latch 703 ' and the expansion circle portion of identical crotch-shaped 704 ', only it is some changes of shank 700 ', shank shortens, and is provided with the upside of its tail end and is upturned with the identical of the first coverer 70 Pin heel 701 '.

Such as Fig. 5, the first coverer 70 is placed on coverer installing plate 24, and coverer installing plate 24 is connected to connecting plate 25, And it is connected to by connecting plate 25 on triangular knitting mechanism 3.Coverer installing plate 24 is provided with number needle tray 241, and one group equally counts First coverer 70 of amount is respectively placed in corresponding needle tray 241, and its pin heel 701 protruding upward is contained in the first transfer cam In pin bell groove 231 on 23, so that the controlled movement of the first coverer 70 makes the first barring-on in the motion of the first transfer cam 23 Pin 70 is movable along the needle tray 241 on coverer installing plate 24（Fore-and-aft direction is spatially mutually perpendicular to horizontal direction）.

First coverer 70 is coordinated and by the drive of the first drive mechanism 2 by its top butt 701 and pin groove 231 of calling in person, The drive mechanism is rack and pinion drive mechanism, and gear 21 is connected on machine shaft 201, and the gear 21 is nibbled with a rack 22 Close.Above-mentioned pin heel groove 231 can be arranged directly on the downside of rack 22, and one preferably sets one first shifting Triangle 23 is enclosed, pin heel groove 231 is arranged on the first transfer cam 23, the first transfer cam 23 is connected to the downside of rack 22 Face, this set are easy to the exchange of quick-wear part and the installation and debugging of equipment.So machine shaft 201 rotates with moving gear 21, And by being engaged with rack 22, the first transfer cam 23 is set to move linearly.

If the coverer 70 in such as preceding top triangular knitting mechanism 3 of needle-bar 11 moves forward and backward, then work as with the coverer Transfer needle 72 after corresponding to front position in needle-bar needle tray is interacted therewith, and the coil hung on transfer needle 72 is shifted It is transferred to onto the first coverer 70, or by the coil hung on the first coverer 70 on transfer needle 72.Now transfer needle 72 movement in needle tray is driven by the second drive mechanism 4.

Such as Fig. 6, second drive mechanism 4 of the present embodiment is arranged on the bottom plate of triangular knitting mechanism 3, mainly by motor 40th, the second transfer cam 43 and rack and pinion drive mechanism composition.Second transfer cam 43, which is provided with, to be accommodated on needle jack 71 The pin heel groove 431 of pin heel 711, the rack and pinion drive mechanism of the present embodiment are mainly made up of gear 41 and rack 42.Triangle bottom Plate 30 is provided with two parallel chute holes 301（Referring to Fig. 7）, two sliding blocks 44 be respectively arranged on corresponding in chute hole 301.Rack 42 The upper surface and lower surface of sliding block 44 are connected to the second transfer cam 43, and the second transfer cam 43 is erected at two cunnings On block 44 so that the transfer cam 43 of rack 42 and second positions in the both ends of the surface of sliding block 44 respectively.Gear 41 is fixed on motor In 40 rotating shafts 401, rotation the engaging by gear 41 and rack 42 of motor 40, rack 42 is set to move along a straight line, and pass through cunning Block 44 drives the second transfer cam 43 to do reliable and stable linear motion along the slip of chute hole 301, so as to by the second barring-on three Pin heel groove 431 on angle 43 promotes needle jack 71 and transfer needle 72 to be moved in needle tray 13.

When the present embodiment flat braiding machine works, triangular knitting mechanism 3 as shown in Figure 7 exists with head according to default formula Moved back and forth on needle-bar, the above-mentioned transfer cam 43 of chute hole 301 and second is arranged on the middle part of the cam base plate 30.When entering The bright narrowing of the two-sided tissue such as tissue such as Siping City, rib-loop and jacquard weave of row, and cable stitch, eyelet stitch and the traversing tissue of coil Barring-on is needed during braiding, the transfer needle for first engaging in barring-on braiding is chosen by selecting mechanism, before its corresponding needle jack 71 Pin heel ejection needle tray 13 afterwards, just it is embedded in the top butt groove 431 of the second transfer cam 43 in cam base plate, and is called in person by the pin The pushing and pressing of groove 431.

The barring-on braiding of the present invention is divided to two processes to realize that triangular knitting mechanism 3 is parked in head first need to carry out barring-on On the pin position of braiding, first process of barring-on is carried out, it is assumed that the pin position is on the preceding top triangular knitting mechanism of needle-bar 11 The position of rear needle-bar E needle trays corresponding to one coverer 70, there is transfer needle 72 in the E needle trays, such as Fig. 8.Shifting on the position It is as shown in Figure 9 to enclose first process：Figure a is the reset condition when not carrying out barring-on action, now, the second transfer cam 43 In the lower section of chute hole 301（Scheme referring to a in Fig. 7）, the coil X of braiding hung on the pinhock 722 of transfer needle 72；Then barring-on Knitting needle 72 is driven up moving by the second drive mechanism 4, and coil X then moves down opening needle latch with respect to transfer needle 72 721 glide downwards, see that b schemes；Hereafter transfer needle 72 continues to move up, and coil is expanded by expansion circle portion 723, makes the first coverer 70 The coil X that the front end of line hooking portion 702 is hung against the transfer needle 72 of E needle trays, now the second transfer cam 43 be located at chute hole 301 Top（Scheme referring to the b in Fig. 7）；Then the first coverer 70 is moved forward by the driving of the first drive mechanism 2 and inserts line X is enclosed, sees that c schemes；The transfer needle 72 of E needle trays moves down, and coil X moves up with respect to transfer needle 72 closes needle latch 721, moves Onto the needle latch of closure, see that d schemes；The transfer needle 72 of E needle trays continues to move down, and coil X removes from the needle latch 721 closed, It is suspended in the line hooking portion 702 of the first coverer 70, sees that e schemes.

After the completion of first process of barring-on, second process of barring-on as shown in figure 11 is carried out, after shaking table mechanism 8 drives Needle-bar as shown in Figure 8 knit by direction of arrow transverse shifting, the barring-on that expansion circle portion is hung with coil X the first coverer 70 and F needle trays Pin is corresponding, such as Figure 10；First coverer 70 continues to move along, and coil X is expanded positioned at circle portion 704 is expanded, and sees that b schemes；Then F The transfer needle 72 for wanting to carry out adapter ring action in needle tray moves up under the driving of the second drive mechanism 4, and insertion is in the One coverer 70 expands in the coil X in circle portion 704, and insertion process coil X opens needle latch 721, makes coil X while is located at the barring-on The front end hook portion 722 of knitting needle, see that c schemes；Then moved after the first coverer 70, coil X moves forward to hook line with respect to the first coverer 70 The front end in portion 702, see that d schemes；First coverer 70 is moved after continuing, and coil X is removed and mounted from the line hooking portion 702 of the first coverer 70 Onto the transfer needle 72 in F needle trays, barring-on action is completed.

Embodiment 2

The flat braiding machine of the present embodiment is converted to some structures in above-described embodiment 1.

Such as Figure 12, bolt 243, which is worn, connects the first coverer 70 and coverer installing plate 24, and coverer is fixed on into coverer peace In the needle tray 241 of loading board 24, one is made.Coverer installing plate 24 is slidably arranged in the chute 251 of connecting plate 25, the Movable the sliding back and forth to realize relative to connecting plate 25 by coverer installing plate 24 of one coverer 70.

In addition, the first drive mechanism 2 uses an eccentric wheel drive mechanism, such as Figure 13, the eccentric wheel drive mechanism has One eccentric throw is e eccentric wheel 28 and the sliding seat 29 provided with rectangular channel, the groove width and eccentric wheel of the rectangular channel on sliding seat Diameter is adapted, and flute length is at least eccentric wheel diameter and eccentric distance e sum.Eccentric wheel 28 is eccentrically arranged in machine shaft 201 On be placed in the rectangular channel of sliding seat 29.Sliding seat 29 is connected with the first transfer cam 23, its groove width and the first coverer 70 It is consistent to move forward and backward direction.Motor rotational band movable eccentric wheel 28 rotates, and makes sliding seat 29 drive the first transfer cam 23 to move, from And coverer installing plate 24 is driven to be slided along before and after the chute 251 on connecting plate 25 by the cooperation of pin heel groove 231 and pin heel 701 It is dynamic.

Further, above-mentioned eccentric wheel drive mechanism is used for the second drive mechanism 4, such as Figure 14,13, its sliding seat 49 and sliding block 44 connections, sliding seat are placed by groove width along direction is moved forward and backward, and motor 40 rotates, and its rotating shaft 401 rotates with movable eccentric wheel, sliding block 44 the second transfer cams 43 of drive are moved, and needle jack 71 and transfer needle 72 are driven by pin heel groove 431 and the cooperation of pin heel 711 Moved along needle tray 13.

Other constructions and the first coverer 70 and transfer needle 72 when carrying out barring-on action of the present embodiment flat braiding machine Barring-on process it is same as Example 1, no longer repeat one by one.

Embodiment 3

The present embodiment converts on the basis of embodiment 1 to the first transverse moving mechanism, using making the first coverer 70 The second transverse moving mechanism moved relative to transfer needle 72 is done, other constructions are same as Example 1 in braiding flat-bed machine.

Such as Figure 15,16, second transverse moving mechanism 5 of the present embodiment is arranged on triangular knitting mechanism 3, there is sliding panel 50, the sliding panel 50 is movably set up in cam base plate 30, is specifically：Two fulcrum bearings 53 are set in cam base plate 30, The both ends of leading screw 51 are rotatably supported in the fulcrum bearing 53, and two nuts 52 are connected to the width of sliding panel 50 and interval one On the two positions of set a distance, sliding panel 50 spins leading screw 51 to be movably attached in cam base plate 30 by nut 52, silk Thick stick 51 rotates, and nut 52 moves axially along leading screw 51, drives sliding panel 50 to do the transverse shifting of the direction of arrow as shown in figure 15, from And the first transfer needle 70 for making to be connected on sliding panel 50 does required transverse direction relative to corresponding transfer needle 72 on needle-bar It is mobile.

Embodiment 4

Such as Figure 17,18, the present embodiment also uses second of transverse moving mechanism 5 similar to Example 3, except that The screw nut driven mechanism alternation for making the transverse shifting of sliding panel 50 is eccentric wheel drive mechanism, other constructions and the institute of embodiment 3 It is identical to state flat braiding machine.

Eccentric wheel drive mechanism in the present embodiment is similar with the eccentric wheel drive mechanism enumerated in embodiment 2, in cunning Setting rectangular channel 503, the rectangular channel 503 are identical with the rectangular channel effect set on above-mentioned sliding seat on dynamic plate 50.Sliding panel 50 On also set up sliding pin groove 502, sliding pin 33 is housed in cam base plate correspondence position, sliding pin 33 is slidably disposed within sliding pin groove 502, cam 58 are placed in rectangular channel 503, and motor shaft 501 rotates with movable eccentric wheel 58, and eccentric wheel 58 drives sliding panel 50 to move, sliding panel 50 In sliding pin 33 by under the constraint of sliding pin groove 502 and guide effect, the horizontal movement of the direction of arrow as shown in figure 17 is done, so as to band Dynamic coverer laterally moves.

It was found from above-described embodiment, the present invention is using the one piece or more pieces coverer moved with triangular knitting mechanism and relatively Corresponding one piece or more pieces of transfer needles coordinate required when four plains, rib-loop etc. are organized in narrowing to complete in the needle-bar needle tray of side Barring-on weaves, so one side can save the coverer needle plate substantially isometric with needle-bar and with the quantity such as substantially of knitting needle on needle-bar Coverer, so as to substantially reduce manufacturing cost；On the one hand the simple for structure of flat braiding machine is caused, personnel easy to operation compile in machine Observation when knitting to needle-bar face and the replacing to damaging knitting needle, so as to greatly improve operating efficiency.

The invention is not restricted to the embodiments described, according to a variety of solutions provided by the invention, those skilled in the art As long as more technical schemes can be obtained by carrying out rational combination.Such as by being made up of gear and rack in embodiment 3,4 The first drive mechanism 2 and/or the second drive mechanism 4 be transformed to what is be made up of as described in Example 2 eccentric wheel and sliding seat Eccentric wheel drive mechanism, or multiple barring-on units are set on the triangular knitting mechanism above the needle-bar of side, it can obtain more Technical scheme, and these technical schemes belong to the scope of the present invention.

Claims (16)

1. a kind of flat braiding machine, including preceding needle-bar, rear needle-bar, transfer needle and triangular knitting mechanism, transfer needle are placed in forward and backward In needle tray on needle-bar, two triangular knitting mechanisms are respectively placed in above forward and backward needle-bar and to do left and right on corresponding needle-bar laterally past Multiple motion, it is characterised in that：Also include being arranged on barring-on unit at least on the triangular knitting mechanism of side, the barring-on unit with Triangular knitting mechanism do it is described reciprocating motion and including：At least one piece random cephalomotor coverer；For driving the barring-on Pin does the first movable drive mechanism；The transfer needle of barring-on action is carried out in needle-bar with the coverer with for driving On needle tray in the second drive mechanism for moving.

A kind of 2. flat braiding machine according to claim 1, it is characterised in that：The coverer includes the first coverer and the Two coverers.

A kind of 3. flat braiding machine according to claim 1, it is characterised in that：The coverer is arranged on preceding needle-bar or rear pin On the side triangular knitting mechanism of bed top, or it is arranged on the both sides triangular knitting mechanism above preceding needle-bar and rear needle-bar；Before Barring-on action is completed in coverer transfer needle interaction corresponding with rear needle-bar above needle-bar on triangular knitting mechanism, after Barring-on action is completed in coverer transfer needle interaction corresponding with preceding needle-bar above needle-bar on triangular knitting mechanism.

A kind of 4. flat braiding machine according to claim 3, it is characterised in that：The coverer is set by coverer installing plate Put on triangular knitting mechanism, the coverer installing plate is fixedly installed on triangular knitting mechanism, then coverer is slidably set Put on the coverer installing plate, or, the coverer installing plate is slidably arranged on triangular knitting mechanism, then barring-on Pin is fixedly provided on the coverer installing plate, and coverer is movable to interact with corresponding transfer needle, completes Barring-on acts.

A kind of 5. flat braiding machine according to claim 4, it is characterised in that：First drive mechanism is arranged on coverer On installing plate, moved along a straight line before and after driving coverer, second drive mechanism corresponds to institute installed in triangular knitting mechanism Position of needle groove is stated, driving transfer needle moves along a straight line along the needle tray, and first drive mechanism and the second drive mechanism are equal For the transmission mechanism that output end is linear motion.

A kind of 6. flat braiding machine according to claim 5, it is characterised in that：The output end is the driver of linear motion Structure includes rack and pinion drive mechanism or eccentric wheel drive mechanism.

A kind of 7. flat braiding machine according to claim 6, it is characterised in that：The eccentric wheel drive mechanism includes eccentric wheel And sliding seat, the sliding seat are provided with rectangular channel, groove width is adapted with eccentric wheel diameter, flute length be at least eccentric wheel diameter with Eccentric throw sum, sliding seat are placed by groove width along direction is moved forward and backward, and eccentric wheel is eccentric and is fixedly installed on machine shaft, partially Heart wheel rotates, and slides back and forth sliding seat.

A kind of 8. flat braiding machine according to claim 2, it is characterised in that：The coverer is arranged on preceding needle-bar or rear pin On the side triangular knitting mechanism of bed top, or it is arranged on the both sides triangular knitting mechanism above preceding needle-bar and rear needle-bar；Before Barring-on action is completed in coverer transfer needle interaction corresponding with rear needle-bar above needle-bar on triangular knitting mechanism, after Barring-on action is completed in coverer transfer needle interaction corresponding with preceding needle-bar above needle-bar on triangular knitting mechanism.

A kind of 9. flat braiding machine according to claim 8, it is characterised in that：The coverer is set by coverer installing plate Put on triangular knitting mechanism, the coverer installing plate is fixedly installed on triangular knitting mechanism, then coverer is slidably set Put on the coverer installing plate, coverer is movable to interact with corresponding transfer needle, completes barring-on action；Or Person, the coverer installing plate are slidably arranged on triangular knitting mechanism, then coverer is fixedly provided in the coverer On installing plate, coverer is movable to interact with corresponding transfer needle, completes barring-on action.

A kind of 10. flat braiding machine according to claim 9, it is characterised in that：First drive mechanism is arranged on barring-on On pin installing plate, moved along a straight line before and after driving coverer, second drive mechanism corresponds to installed in triangular knitting mechanism The position of needle groove, driving transfer needle move along a straight line along the needle tray, first drive mechanism and the second drive mechanism It is transmission mechanism of the output end for linear motion.

A kind of 11. flat braiding machine according to claim 10, it is characterised in that：The output end is the transmission of linear motion Mechanism includes rack and pinion drive mechanism or eccentric wheel drive mechanism.

A kind of 12. flat braiding machine according to claim 11, it is characterised in that：The eccentric wheel drive mechanism includes bias Wheel and sliding seat, the sliding seat are provided with rectangular channel, and groove width is adapted with eccentric wheel diameter, and flute length is at least eccentric wheel diameter With eccentric throw sum, sliding seat is placed by groove width along direction is moved forward and backward, and eccentric wheel is eccentric and is fixedly installed on machine shaft, Eccentric wheel rotates, and slides back and forth sliding seat.

13. according to a kind of flat braiding machine described in claim any one of 1-12, it is characterised in that：The flat braiding machine also includes Make the first transverse moving mechanism of transfer needle transverse shifting on needle-bar, or also include the second transverse direction for making coverer transverse shifting Travel mechanism；First transverse moving mechanism makes transfer needle and corresponding shifting by adjusting the lateral attitude of transfer needle Circle pin can interact, and complete barring-on action, or, second transverse moving mechanism is by adjusting the horizontal position of coverer Put, coverer is interacted with corresponding transfer needle, complete barring-on action.

A kind of 14. flat braiding machine according to claim 13, it is characterised in that：First transverse moving mechanism is shaking table Mechanism, the shaking table mechanism are arranged on preceding needle-bar or rear needle-bar or on the needle-bar of forward and backward needle-bar both sides, and shaking table mechanism drives respective side Needle-bar transverse shifting.

A kind of 15. flat braiding machine according to claim 13, it is characterised in that：Second transverse moving mechanism is arranged on On the triangular knitting mechanism, including screw nut driven mechanism or eccentric wheel drive mechanism, the screw nut driven mechanism Or eccentric wheel drive mechanism drives the coverer transverse shifting.

A kind of 16. flat braiding machine according to claim 13, it is characterised in that：Three above the preceding needle-bar, rear needle-bar Angle knitting mechanism is connected by a support and driven by the reciprocating mechanism located at preceding needle-bar or rear needle-bar side, on needle-bar Do left and right traverse motion；Or the triangular knitting mechanism above the both sides needle-bar is respectively by located at preceding needle-bar and rear needle-bar one The reciprocating mechanism of side is driven respectively, and left and right traverse motion is done on needle-bar.