CN201162102Y

CN201162102Y - Yarn nozzle reversing control mechanism for applique shuttle box

Info

Publication number: CN201162102Y
Application number: CNU2008200328232U
Authority: CN
Inventors: 冯加林; 巫友群
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-03-07
Filing date: 2008-03-07
Publication date: 2008-12-10
Anticipated expiration: 2018-03-07

Abstract

The utility model relates to a yarn opening reversing control mechanism of an intarsia shuttle box, which comprises a reversing control sheet, a bottom board and a yarn opening assembly, wherein the yarn opening assembly is connected on the lower portion of the bottom board, a directive wheel on the yarn opening is arranged in a guiding slotted hole on the bottom board, the reversing control sheet is hinged on the upper portion of the bottom board, a change-over drive plate is further provided, is arranged on the upper side of the reversing control sheet, and is slipped to connect on the bottom board in left and right. When in sliding, the left and the right ends of the change-over drive plate are extended out the left and the right sides of the bottom board, the lower portion of the change-over drive plate is contacted with the upper portion of the reversing control sheet, thereby facilitating the reversing control sheet to rotate in certain angle around the hinged point, and the guiding surface on the lower portion of the reversing control sheet can form a channel with the walls of the guiding slotted hole for sliding the directive wheel when the reversing control sheet rotates to the two end positions. The utility model has the advantages that the position state after being changed over is extremely stable and reliable, no needing to arrange special limiting reeds on the two sides of the reversing control sheet to keep the position state of the reversing control sheet, and the working resistance of components is reduced, and the lateral dimension of the whole shuttle box is shortened.

Description

The Yarn nozzle inverting control mechanism of applique shuttle box

Technical field

The utility model relates to Computerized flat knitting machine, relates in particular to a kind of Yarn nozzle inverting control mechanism of applique shuttle box.

Background technology

Braiding is during intarsia designs, according to computer program by the shuttle box of guiding different color yarn successively to the knitting needle yarn feeding on the needle-bar.So arranging some shuttle boxs on the shuttle thick stick, the braiding yarn in order to the guiding different color satisfies the color requirement of intarsia designs.The shuttle box that participates in braiding is driven by the shuttle box driving mechanism that is installed on the head, moves along the shuttle thick stick with head, and the yarn mouth of its lower end of shuttle box in moving is in the next, so that near knitting needle, the knitting needle that carries out the embossing braiding is carried out yarn feeding.When finishing embossing when braiding, the shuttle box driving mechanism stops the driving to this shuttle box, and shuttle box will stop on a certain position of shuttle thick stick, this moment the yarn mouth turn to upper, away from knitting needle, so that other participates in the yarn feeding of the shuttle box of braiding to knitting needle.The commutation of yarn mouth upper and lower is to be controlled by the commutation controlling mechanism in the applique shuttle box.

Shown in Figure 7 is existing a kind of applique shuttle box structure, mainly by base plate 110, commutation control strip 120, spacing spring 121, commutation control strip spacer pin 122, Crashworthy plate 130, Crashworthy plate return spring 131, yarn nozzle assembly 140, driver plate 210 and driver plate return spring 220 are formed.Fig. 8 lists the commutation controlling mechanism in the applique shuttle box shown in Figure 7 highlightedly, it comprises base plate 110, commutation control strip 120, the spacing spring 121 of commutation control strip, commutation control strip spacer pin 122, Crashworthy plate 130, Crashworthy plate return spring 131 and yarn nozzle assembly 140.When carrying out the embossing braiding (advancing from left to right) as head, movable pressing board 10 on the shuttle box driving mechanism is with the head right lateral and be pivotally lowered into the operating position, driver plate 210 is pushed away to pressing down, and the pin 141 of driver plate by slipping in the lower end pin-and-hole 211 moves down the yarn nozzle assembly.Pin 141 is connected on the guide plate 14 of yarn nozzle assembly upper end.In folding process, hinged directive wheel 143 is displaced downwardly to the lower end of this guiding slotted eye on the guide plate 142 of yarn nozzle assembly upper end along a side channel wall of the guiding slotted eye 111 on the base plate.

Meanwhile, block tongue on the shuttle box driving mechanism moves down, block tongue face II on it touches left side, commutation control strip 120 upper ends in motion process, make it to rotate around pin joint, and the cell wall of guiding slotted eye 111 1 sides forms the passage for directive wheel 143 slippages on spigot surface 126 of its lower end and the base plate.The spacing spring 121 that stretch out respectively control strip 120 both sides is provided with two very little arc surfaces 124,125 and fits with spacer pin 122 respectively, so that control strip 120 limits it, remain on that this is locational in stable condition reliable when middle (the yarn mouth is in the next) or position, both sides (the yarn mouth is in upper).

And block tongue face I is subjected to face 132 by pushing and pressing on the Crashworthy plate 130, promotes shuttle box to move to right along the shuttle thick stick with head, and the yarn mouth is to the relevant knitting needle yarn feeding on the needle-bar in moving process, and yarn feeding finishes, move on the block tongue, and disengaging Crashworthy plate 30, shuttle box stops on the shuttle thick stick.This moment, movable pressing board lifts, driver plate moves under the effect of driver plate return spring 220, make on the yarn nozzle assembly by pin-and-hole 211 and to move, the directive wheel 143 of yarn nozzle assembly upper end is along moving on the passage of spigot surface 123 compositions of guiding slotted eye on the base plate 111 and commutation control strip 120 lower ends, drive on the whole yarn nozzle assembly and move and rotate, it is upper that the yarn mouth is in.

Be subjected to the compacting of the limited block at shuttle thick stick two ends as shuttle box with two ends Crashworthy plate 130 external parts of the head motion thick stick of falling the shuttle, Crashworthy plate 30 is rotated around pin joint, the face 131 that is subjected on it rotates, and this face is connected with block tongue face I disengagement.

There is following deficiency in the Yarn nozzle inverting control mechanism of above-mentioned this applique shuttle box: one, shuttle box structure relative complex, such as a pair of symmetry of employing be hinged on the Crashworthy plate and the corresponding return mechanism thereof of base plate both sides, this makes the lateral dimension of shuttle box bigger, influenced the quantity of the shuttle box of putting on the shuttle thick stick of whole straight-bar machines, so that can not adapt to more complicated intarsia designs and weave requirement.Its two, the manufacturing structure relative complex of commutation control strip, the spacing spring 121 that stretches out as both sides, the manufacturing technique complexity, the production cost height also can increase the working resistance of this part, the lateral dimension of this part is increased, restricted that the lateral dimension of shuttle box is possible further to be dwindled; In addition, bending-like is arranged to for allowing block tongue face I pass through in the upper end of this part, thereby the technical process that has increased part processing increases cost.They are three years old, the stability of commutation control strip 120 positioning states guarantees in spacer pin 122 location by the very little arc surface 124,125 on the spacing spring 121, contact area is little, in case some impact, vibration, arc surface will be thrown off spacer pin 122 probably, the stability, the poor reliability that keep positioning states, and, will influence the operate as normal of whole shuttle box in case the control strip 120 that commutates changes position, former location.Its four, block tongue is the two retaining ledge structures that contain block tongue face I, II, this is restricted the block tongue width, its width relative narrower, this improves the reciprocating required precision of block tongue.

Summary of the invention

The purpose of this utility model is to overcome the deficiency of above-mentioned prior art, designs a kind of Yarn nozzle inverting control mechanism simple in structure, easily manufactured, the reliable a kind of applique shuttle box of stable working state and puts, and it obtains implementing by the following technical programs:

Comprise that its lower end is provided with the commutation control strip of symmetrical spigot surface, base plate, its upper end of which is provided with the guiding slotted eye is provided with the yarn nozzle assembly of directive wheel, this yarn nozzle assembly is connected the bottom of base plate, directive wheel on it places the described guiding slotted eye on the base plate, described commutation control strip is hinged on the top of base plate, also comprise the commutation drive plate, the commutation drive plate places the upside of commutation control strip, and about slip slidably on base plate, in slippage, end exceeds the left and right sides side of base plate about the commutation drive plate; Commutation drive plate bottom touches commutation control strip top, and the commutation control strip is turned an angle around its pin joint, and when turning to end positions, the described spigot surface of its underpart is formed a passage for the directive wheel slippage with the cell wall of guiding slotted eye; Described commutation control strip be provided with for promote its rotation be subjected to face I and from locking face.

The described upper end that is subjected to face I to be symmetricly set on the commutation control strip, and two be subjected between the face I setting from locking face at this.

Described commutation control strip is one to be the planar sheet structure of T font, is subjected to face I to be symmetricly set on its upper end, is subjected to also to be provided with from locking face between the face I two.

Described yarn nozzle assembly is made up of yarn mouth plate, guide plate and directive wheel, directive wheel is hinged on the upper end of guide plate, guide plate slips on yarn mouth plate, this guide plate is provided with chute, one pivot pin that is fixed on the base plate slips in this chute, during along described gathering sill slippage, guide plate slides and drives yarn mouth plate relative to pivot pin by chute and rotates around pivot pin at directive wheel.

The beneficial effects of the utility model are: adopt a drive plate that slips on base plate to drive shuttle box, also utilize this drive plate to control the commutation of commutation control strip simultaneously, because commutation is by in the drive plate bottom promotion of commutation control strip upper part being realized, the drive plate bottom is in the slippage on locking face of control strip upper end in the whole commutation process, the commutation control strip there is compacting (self-locking) effect, make the location status after the commutation control strip commutates very reliable and stable, special spacing spring keep the commutating location status of control strip need be set in commutation control strip both sides, this part is made into the planar sheet structure simultaneously, the part manufacture craft is simplified greatly, there has not been spacing spring that the working resistance of part is reduced, lateral dimension also greatly reduces, and this reduces to provide precondition for whole shuttle box lateral dimension.Drive plate also plays a part Crashworthy plate, because drive plate is to utilize the inclined-plane of upper end to accept the block tongue driving, its crashproof limited block makes block tongue along moving on the inclined-plane of drive plate upper end until throwing off this inclined-plane to the promotion of drive plate when shuttle box runs to shuttle thick stick end positions, such Crashworthy plate structure does not need to resemble the rotary type Crashworthy plate need be provided with corresponding return mechanism, make the utility model structure simpler like this, manufacturing cost reduces, and make the utility model embedding draw shuttle box to compare existing embedding and draw shuttle box and on lateral dimension, reduce 1/3rd at least, make on the shuttle thick stick and can put more shuttle box, the more more complicated intarsia designs of the Computerized flat knitting machine of going a long way greatly braiding.In addition, it is to be subjected to carrying out simultaneously when block tongue drives at the commutation drive plate that the commutation of the commutation control strip in the utility model mechanism is rotated, do not need other block tongue in the face of the driving that commutates of commutation control strip, so block tongue is simple in structure, easy to manufacture, and can widen the block tongue size, avoid making the block tongue driving unreliable because of the kinematic accuracy error.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is equipped with the shuttle box internal structure schematic diagram of the utility model mechanism as shown in Figure 1.

Fig. 3 is the motion state schematic diagram of movable pressing board when driver plate is suppressed.

Fig. 4 is that block tongue promotes the motion state schematic diagram of commutation control strip when pin joint rotates.

Fig. 5 be move on the block tongue, movable pressing board throws off the motion state schematic diagram when moving on the yarn nozzle assembly when driver plate suppressed.

Fig. 6 is the motion state schematic diagram when block tongue breaks away from the commutation drive plate under limited block promotes.

Fig. 7 is the internal structure schematic diagram of existing applique shuttle box.

Fig. 8 is the structural representation of the commutation controlling mechanism in the existing applique shuttle box shown in Figure 7.

Among the figure, 10 movable pressing boards, 11 inclined-planes, 20 block tongues, 30 limited blocks, 31 inclined-planes, 40 shuttle thick sticks, 110 base plates, 111 guiding slotted eyes, 120 commutation control strips, 121 spacing springs, 122 spacer pins, 124,125 arc surfaces, 126 spigot surfaces, 130 Crashworthy plates, 131 Crashworthy plate return springs, be subjected to face 132,140 yarn nozzle assemblies, 143 directive wheels, 210 driver plates, 211 pin-and-holes, 220 driver plate return springs, 310 base plates, 311 guiding slotted eyes, 312 slotted eyes, 320 commutation control strips, 321 spigot surfaces, 322 are subjected to face I, 323 confined planes, 330 commutation drive plates, 331 are subjected to face I, 332 sliding surface I, 333 drive surface, 334 sliding surface II, 340 yarn nozzle assemblies, 341 yarn mouth driver plates, 342 guide plates, 343 directive wheels, 344 chutes, 345 pivot pins, 346 pins, 347 yarn mouths, 350 driver plates, 351 inclined-planes, 352 waist-shaped pin holes, spring return seat 360.

The specific embodiment

The utility model is described in further detail below in conjunction with embodiment.

Contrast Fig. 1, commutation control strip 320 is a T font planar sheet structure, is stamped to form by sheet metal, and manufacture craft is simple.This commutation control strip is hinged on the centre on base plate 310 tops, and there is the spigot surface 321 of two symmetries its lower end, and its upper end is provided with for tilting being subjected to face I 322 and being connected this two confined planes 323 that is subjected to face I of two symmetries that promote its rotation.

Commutation drive plate 330 places commutation control strip 320 upsides, about slip slidably in the slotted eye 312 on base plate.Its upper end is provided with the tilting face I 331, two that is subjected to of two symmetries and is subjected to have between the face I sliding surface I 332 to connect, and the lower end is provided with two symmetry and tilting drive surface 333 and the sliding surface II 334 that is connected this two drive surface in the middle.

Yarn nozzle assembly 340 is made up of yarn mouth driver plate 341, guide plate 342 and directive wheel 343.Directive wheel 343 is hinged on the upper end of guide plate 342, and is seated in the Y type guiding slotted eye 111 on the base plate.Guide plate 342 is plugged on the upper end of yarn mouth driver plate 341, and yarn mouth driver plate 341 slides up and down relatively.This guide plate is provided with this chute and the yarn mouth driver plate 341 that chute 344, one pivot pins 345 pass on the guide plate and is fixed on the base plate, makes yarn nozzle assembly and base plate hinged, and this pivot pin 345 slips with chute 344 simultaneously.At the directive wheel of yarn nozzle assembly upper end during along 311 slippages of guiding slotted eye, guide plate by chute 344 relatively pivot pin 345 slide and drive yarn mouth driver plate rotates around pivot pin 345.

Fig. 2 is a shuttle box internal structure schematic diagram, and being has increased the Yarn nozzle telescopic oscillating mechanism that is made up of driver plate 350 and spring 351 etc. in structure shown in Figure 1.

In applique shuttle box when work (advance from left to right be example with head), the movable pressing board 10 on the shuttle box driving mechanism is swung down to the operating position and with the head right lateral.At first, the inclined-plane 11 of its right-hand member touches the inclined-plane 351 of driver plate 350 left ends, and driver plate 350 is pushed downwards, sees also Fig. 3.The pin 346 that slips in the waist-shaped pin hole 352 of driver plate by the lower end (pin 346 is fixed on the front end of the guide plate on the yarn nozzle assembly) moves down the yarn nozzle assembly.In folding process, hinged directive wheel 343 is displaced downwardly to the lower end of this guiding slotted eye on the guide plate 342 of upper end along a side channel wall of the guiding of the Y type on base plate slotted eye 311, and drive whole yarn nozzle assembly and move down, it is the next that the yarn mouth 347 of its lower end is in, more near knitting needle.

At the same time, block tongue 20 on the shuttle box driving mechanism moves down, what block tongue 20 touched commutation drive plate 330 upper ends is subjected to face I 331, promoting the relative base plate of drive plate moves to right, what the drive surface 333 of its downside promoted right side, commutation control strips upper end when drive plate moved to right is subjected to face I 322, the commutation control strip is clockwise rotated around pin joint, run into the left position of the spring return seat 360 of left end, see also Fig. 4 until the commutation control strip.One cell wall of the spigot surface 321 on commutation right side, control strip lower end and the Y type guiding slotted eye 311 on the base plate forms for directive wheel 343.The sliding surface II 334 of drive plate 330 lower ends is compressed on the confined planes 323 of commutation control strip because commutate this moment, and the commutation control strip keeps stable at this location status.

Then the whole applique shuttle box of drive plate 330 drives moves (at this moment along the shuttle thick stick together when commutation drive plate 330 moves to the right-hand member of slotted eye 312 on the base plate, the right-hand member of commutation drive plate exceeds the right edge of base plate, otherwise during left lateral then), the yarn mouth of its lower end is to participating in the knitting needle yarn feeding of embossing braiding, yarn feeding finishes, move on the block tongue, break away from applique shuttle box, applique shuttle box stops on a certain position of shuttle thick stick.Head continues to move to right, movable pressing board breaks away from driver plate thereupon, there is not the compacting of movable pressing board, driver plate 350 moves under the effect of return spring, and make on the yarn nozzle assembly by pin 346 and to move, the directive wheel of yarn nozzle assembly upper end is then along moving on the last Mobile Communication road that the above-mentioned cell wall by spigot surface 321 and guiding slotted eye 311 forms.In last moving, yarn mouth guide plate 342 and on chute 344 on move, and the relative hinged pin 345 with guide plate of yarn mouth driver plate 341 turns an angle, and moves on the yarn mouth of yarn nozzle assembly lower end to be in upperly, sees also Fig. 5.

As the first at random shuttle thick stick end positions that directly runs to of applique shuttle box, because applique shuttle box is on the shuttle thick stick when mobile, end exceeds the left and right sides side of base plate about the commutation drive plate, so when arriving end positions, the right-hand member (or left end) of commutation drive plate is run into the right side (or left side) limited block 30 that is arranged on the shuttle thick stick earlier, see also Fig. 6, the drive plate that commutates has like this played the effect of Crashworthy plate simultaneously.When the commutation drive plate is run into limited block 30, will be pushed against, make its (or to the right) motion left, and this moment, block tongue was static, it just is subjected to move on the face I upper end along 331 of commutation drive plate right side, upper end (or left side) and throws off drive plate at last, applique shuttle box is thrown off drive.And the commutation drive plate does not need return, has not just needed Crashworthy plate return mechanism of the prior art certainly yet.So the utility model structure its structure compared to existing technology is more succinct, lateral dimension will reduce 1/3rd at least.

Claims

1. the Yarn nozzle inverting control mechanism of applique shuttle box, comprise that its lower end is provided with the commutation control strip of symmetrical spigot surface, which is provided with the base plate of guiding slotted eye, its upper end is provided with the yarn nozzle assembly of directive wheel, this yarn nozzle assembly is connected the bottom of base plate, directive wheel on it places the described guiding slotted eye on the base plate, described commutation control strip is hinged on the top of base plate, it is characterized in that also comprising the commutation drive plate, the commutation drive plate places the upside of commutation control strip, and about slip slidably on base plate, in slippage, end exceeds the left and right sides side of base plate about the commutation drive plate; Commutation drive plate bottom touches commutation control strip top, and the commutation control strip is turned an angle around its pin joint, and when turning to end positions, the described spigot surface of its underpart is formed a passage for the directive wheel slippage with the cell wall of guiding slotted eye; Described commutation control strip be provided with for promote its rotation be subjected to face I and from locking face.

2. the Yarn nozzle inverting control mechanism of applique shuttle box according to claim 1, it is characterized in that described commutation control strip is one to be the planar sheet structure of T font, the described face I that is subjected to is symmetricly set on its upper end, being subjected between the face I also described commutation control strip two is one to be the planar sheet structure of T font, the described face I that is subjected to is symmetricly set on its upper end, and be subjected between the face I to be provided with from locking face two, be provided with from locking face.

3. the Yarn nozzle inverting control mechanism of applique shuttle box according to claim 1, what it is characterized in that upper end, described commutation drive plate middle part is provided with two symmetries is subjected to face II, and the lower end is provided with the drive surface and the sliding surface that is connected this two drive surface of two symmetries in the middle.

4. the Yarn nozzle inverting control mechanism of applique shuttle box according to claim 1, it is characterized in that described yarn nozzle assembly is made up of yarn mouth plate, guide plate and directive wheel, directive wheel is hinged on the upper end of guide plate, guide plate slips on yarn mouth plate, this guide plate is provided with chute, one pivot pin that is fixed on the base plate slips in this chute, and during along described gathering sill slippage, guide plate slides and drives yarn mouth plate relative to pivot pin by chute and rotates around pivot pin at directive wheel.