CN214328055U - Device for transferring and picking up knitted product of circular knitting machine - Google Patents

Abstract

The utility model discloses a circular knitting machine shifts device of picking up knitting goods, including pushing away the circle subassembly, the top of pushing away the circle subassembly is provided with the complex with it and picks up the subassembly, push away the circle subassembly including pushing away circle horn tube, it is connected with the lead screw elevating system who drives its lift to push away circle horn tube, it includes the fixing base to pick up the subassembly, one side of fixing base is installed and is picked up the piece mounting disc, it has a plurality of pieces of picking up to pick up slidable mounting on the piece mounting disc, the fixing base is connected with the triangle mounting disc, install a plurality of curved piece control triangles of picking up on the triangle mounting disc, set up a plurality of its radial guide ways of edge on the triangle mounting disc, it is in to pick up piece control triangle connection drive it gliding drive arrangement in the guide way. The utility model discloses as long as the knitting needle lifting is to moving back the height of circle and can not need out the high needle, has improved the self roughness of knitting needle like this greatly and has improved the counterpoint precision of picking up component and knitting needle simultaneously more, makes to pick up more reliably stably.

Description

Device for transferring and picking up knitted product of circular knitting machine

Technical Field

The utility model relates to a circular knitting mechanical equipment especially knitting hosiery machine technical field, more specifically relates to a circular knitting machine shifts and picks up device of knitting goods.

Background

In the field of the production of knitted articles for hosiery knitting machines or the like circular knitting machines, it is necessary to transfer the article from the machine for producing the article to another production unit in order to perform further work on the article which cannot be performed on said machine or which is not economically convenient.

In particular, in the field of hosiery production, methods have been developed in recent years for automatically performing the closing of the toe thereof by stitching or looping. Some of these methods are based on picking up the article from the machine for producing the article and transferring it to a station separate from the production machine to perform further work in order to close the toe of the article in other work stations, while the machine can continue to be used for producing the next article of hosiery. This method has the advantage over other methods based on performing the closing of the toe of the hosiery item directly on the machine for the production thereof, that the productivity of the machine is not unduly impaired.

The pick-up devices function, firstly, to transfer the hosiery items, or the like tubular items, from the machine used for their production to the next work station, and, secondly, to take the loops of knitting of the items individually from the needles of the machine by means of the pick-up elements and to hold them during the transfer of the items.

The current technology of the pick-up devices is essentially complex and requires the hosiery knitting machine to leave sufficient space for the pick-up device to enter when picking up the article. And requires, at the pick-up, a high needle-out of the hosiery knitting machine in order to facilitate its pick-up. The former restricts the structure of the hosiery machine (in order to leave enough space for the pick-up device to enter, the yarn nozzle disc and the machine head need to be lifted very high, so that the structure of the hosiery machine is complex, and adjacent yarns are wound to influence the next work); the later needs to find high needles, the positioning of needle grooves of the needle cylinder to the needle cylinder is relatively less, the pickup is influenced by slight deflection of the knitting needles, and the service life of the knitting needles and the pickup yield are reduced.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the present invention provides a device for transferring and picking up knitted articles for circular knitting machines for transferring and picking up knitted tubular articles from circular knitting machines for hosiery or the like to units for performing additional operations on the articles. Simple structure, no need of occupying a large amount of axial space, and stable and reliable transfer operation.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a circular knitting machine shifts device of picking up knitting goods, is including pushing away the circle subassembly, the top of pushing away the circle subassembly is provided with the complex with it and picks up the subassembly, it includes pushing away circle trumpet tube to push away the circle subassembly, it has the lead screw elevating system of its lift of drive to push away circle trumpet tube connection, it includes the fixing base to pick up the subassembly, pick up the piece mounting disc to install one side of fixing base, it has a plurality of pieces of picking up to pick up slidable mounting on the piece mounting disc, the fixing base is connected with the triangle mounting disc, install a plurality of curved piece control triangles of picking up on the triangle mounting disc, set up a plurality of radial guide ways along it on the triangle mounting disc, it is in to pick up piece control triangle connection has drive its gliding drive arrangement in the guide way.

The pick-up device is arranged above the loop pushing device of the hosiery machine, and after the hosiery machine finishes the knitting of the hosiery product, the loop pushing device pushes the hosiery product upwards, and the pick-up device enters a pick-up position. The pick-up pieces are arranged in one-to-one correspondence with the knitting, the pick-up piece control cams slide inwards along the guide grooves in the cam mounting disc under the action of the driving device, the pick-up pieces are butted to the knitting needle position, then the ring pushing device is lifted under the action of the lead screw lifting mechanism, the hosiery products and knitting coils on the knitting needles are pushed into the pick-up pieces, and the transfer of the hosiery products is completed.

The needle cylinder component comprises an ectogenesis gram bed and an endosome bed, and a positioning outer ring at the upper part of the push ring trumpet tube is sleeved in a positioning inner ring of the endosome bed and can slide up and down. After the hosiery machine finishes knitting the hosiery products, the knitting needles are sequentially lifted to the knocking-over height for knocking-over, so that the knitting loops are positioned below the needle tongues and are pressed by the sinker simultaneously. The ring pushing horn tube rises to the upper end of the sinker under the action of the screw rod lifting mechanism, the hosiery products in the horn tube are lifted, and the needle cylinder assembly continues to rotate the knitting needle to keep the original height to sequentially pass through the yarn feeding port of the sinker cover (the sinker does not press a coil in the withdrawing state). Because the loop pushing flared tube raises the hosiery product platform, the knitting loops passing through the knitting needle at the position are all moved to be above the sinker, and the preparation is made for picking up the hosiery product. The utility model discloses rely on pushing away a circle horn tube and release socks goods, do not need other supplementary devices that push away the coil to get into, consequently as long as the knitting needle lifting moves back the height of circle can need not go out the high needle, has improved the self roughness of knitting needle like this greatly and has improved the counterpoint precision of picking up component and knitting needle simultaneously more, and the messenger picks up more reliably stably.

Further, lead screw elevating system includes the base, set up on the base with push away circle horn tube clearance fit's lift hole, the motor is installed to the one end of base, be connected with the lead screw on the driving shaft of motor, be connected with screw-nut on the lead screw, screw-nut fixedly connected with slide, the slide with push away circle horn tube and connect. The motor rotates, drives the lead screw rotation and makes the lead screw nut rise along the silk rotation, lead screw nut and slide fixed connection, and the slide with push away a ring horn pipe and be connected for the slide drives and pushes away a ring horn pipe and realize rising.

Further, the slide is connected with thrust bearing seat, thrust ball bearing is installed to thrust bearing seat, thrust ball bearing cover is established push away the outer lane of circle horn pipe, thrust ball bearing's upper end be provided with push away the fixed clamp splice of circle horn pipe. The thrust ball bearing is arranged in a bearing hole of the thrust ball bearing seat, the thrust ball bearing can move up and down by being pushed by the thrust bearing seat, the upper end of the thrust ball bearing is provided with a fixed clamping block, and the lower end of the push ring horn tube is connected with the lower end of the push ring horn tube by adopting the clamping principle in a hole of the fixed clamping block. The deep groove ball bearing is arranged in a bearing hole at the lower end of the hosiery machine. When the motor rotates, the sliding seat is driven to ascend through the screw rod structure, the sliding seat drives the thrust bearing seat to ascend, meanwhile, the sliding seat props against the fixed clamping block to ascend, and the fixed clamping block drives the ring pushing horn tube to realize the ascending of the ring pushing horn tube. The thrust ball bearing and the deep groove ball are excessive in connection between the thrust ring horn tube and the screw rod lifting mechanism, so that the axial rotation is not restricted.

Further, a pressure spring check ring is arranged on the push-ring horn tube, a reset pressure spring is arranged between the fixed clamping block and the pressure spring check ring, the lower end of the reset pressure spring is abutted to the upper portion of the fixed clamping block, and the upper end of the reset pressure spring is abutted to the lower end of the pressure spring check ring. Push away a circle horn pipe at the in-process that rises, the pressure spring that resets is compressed and is produced deformation, and when the motor resets, the effort that the pressure spring that resets replied the deformation and produce makes and push away a circle horn pipe and can do the descending motion.

Furthermore, the other side of the thrust bearing seat is connected with a guide sliding block, and a guide shaft which is matched with the guide sliding block and the sliding seat respectively is arranged on the base. The guide slide block and the guide hole of the slide seat are sleeved on the guide shafts to guide up and down, so that the two guide shafts can guide the thrust bearing block up and down and prevent the thrust bearing block from rotating axially.

Further, the upper end of pushing away the circle horn tube is provided with a plurality of sinker piece groove of stepping down along the circumferencial direction, the outside of pushing away the circle horn tube is provided with the navigation key. The sinker abdicating grooves of the push ring trumpet tube correspond to the sinker mounting grooves of the outer sinker bed and the inner sinker bed of the needle cylinder assembly one by one, so that the sinker can be avoided when the push ring trumpet tube rises and is lifted; the push ring horn tube is provided with a positioning key, the inner sinker bed in the needle cylinder assembly is provided with a key groove matched with the positioning key, and the positioning key is installed in the key groove to play a role in radial positioning, so that the push ring horn tube can synchronously rotate together with the needle cylinder assembly.

Further, the driving device comprises a cam disc arranged above the cam mounting disc, a plurality of cam slots corresponding to the guide grooves are formed in the cam disc, the cam slots are spiral, a fixed shaft is arranged in the cam slots, and the fixed shaft penetrates through the cam slots and is connected with the picking piece control cams through the guide grooves.

5 groups of cam slots are uniformly distributed on the cam plate, the cam slots are similar to Archimedes spiral shapes, and the corresponding radius is changed along with the change of the rotation angle; the 5 picking sheet control triangles are arranged in the space cavities among the picking sheet mounting disc fixing seat, the picking sheet mounting disc and the picking sheet control triangle mounting disc; the fixed shaft penetrates through a cam slot of the cam control cam disc by adopting a shaft position screw and is connected with a screw hole of the picking sheet control cam through a guide groove of the control cam mounting disc. Thus, when the cam plate rotates, the cam slot acts on the shaft screw, and the shaft screw carries the pick-up control cam to move in the track direction of the guide groove. The cam disc is connected with a driving cylinder, the driving cylinder is arranged on the picking disc connecting assembly, the head of a piston rod of the driving cylinder is connected with a cylinder connector, and the driving cylinder connector is connected with a cylinder connecting hole of the cam disc, so that the driving cylinder can stretch and retract to push the cam disc to rotate. And a plurality of positioning pins distributed in equal radius are arranged on the triangular mounting plate, and the positioning pins limit the outer diameter of the cam plate. The outer diameter of the cam disc is limited by 3 positioning pins with equal radius distribution, and the cam disc can rotate around the center of the outer diameter.

Furthermore, a pick-up piece loop needle hook is arranged at the front end of the pick-up piece, and a pick-up piece knitting needle positioning groove is formed in the end face of the pick-up piece loop needle hook. The front end of the picking piece is provided with a picking piece knitting needle positioning groove which corresponds to the head of a knitting needle hook and limits the knitting needle hook in the picking piece knitting needle positioning groove to ensure that the knitting needle is accurate and reliable when a knitting coil is pushed and transferred from a knitting needle; the stocking pushing device is then lifted, and simultaneously the hosiery item and the loop of knitting on the knitting needle are pushed onto the loop-engaging hook of the pick-up piece.

Furthermore, the picking piece is slidably mounted on the picking piece mounting disc through a picking piece mounting groove, a hoop spring is arranged between the picking piece mounting groove and the picking piece, and a picking piece hoop spring positioning opening is formed in the rear end of the picking piece. Each mounting groove is filled with a picking piece which can slide in the mounting groove, the picking piece is provided with a picking piece hoop spring positioning opening, and the hoop spring hoops the picking piece to enable the picking piece to be hooped towards the inner side all the time. When the pickup plate slides in the radial direction, the hoop spring is deformed, and the pickup piece is quickly returned by the acting force generated when the pickup plate is deformed in a restoring manner.

Further, the picking piece mounting grooves are evenly distributed on the picking piece mounting disc towards the circle center, and the picking piece mounting grooves are provided with ring protecting grooves towards the inner side of the circle center. The mounting grooves are evenly distributed towards the circle center in a uniform distribution mode and are in one-to-one correspondence with the knitting needles H, the pick-up piece mounting grooves are provided with guard ring grooves towards the inner side of the circle center, the pick-up pieces hook the coils to move backwards in the radial direction and move into the guide positioning cavities of the pick-up piece mounting disc, the guard ring grooves entering the pick-up piece mounting disc below the pick-up piece needle hooks form a closed ring, therefore, the coils are firmly hung on the needle hooks of the pick-up pieces, and the protection coils prevent the coils from falling off in the transfer process.

To sum up, the utility model discloses a set up the ring horn tube that pushes away of liftable in the cylinder, control its rising and decline through lead screw elevating system, pick up the subassembly and set up a plurality of and pick up the component, the every piece of knitting needle of one-to-one to pick up the knitting coil on corresponding knitting needle and firm the knitting coil of keeping and prevent that it from droing. The connection precision of the alignment of each pick-up element pair to the corresponding knitting needle has excellent reliability. The pick-up unit of the pick-up assembly only corresponds to the hook head part of the contraposition knitting needle, the knitting coil is transferred to the pick-up element and pushed in by a coil pushing horn nozzle arranged on a sinker in the needle cylinder without other auxiliary coil pushing devices, so that a high needle does not need to be raised as long as the knitting needle is lifted to the height of a retreated coil, the self flatness of the knitting needle is greatly improved, the contraposition precision of the pick-up element and the knitting needle is improved, and the pick-up is more reliable and stable.

The pick-up assembly is provided with a simple pick-up function only, the device for transferring the knitting coils to the pick-up element being implanted on the hosiery machine, which makes the pick-up device more compact, as long as it has a narrow axial pick-up space.

Drawings

FIG. 1 is a sectional view of the overall structure of the present invention;

FIG. 2 is a sectional view of the middle screw lifting mechanism of the present invention;

FIG. 3 is a three-dimensional schematic view showing the positional relationship among the middle needle cylinder, the push ring horn, the sinker and the knitting needle of the present invention;

FIG. 4 is a cross-sectional view of the sinker pressed state at the stitch position when the knitting needle is lifted to the stitch-withdrawing position;

FIG. 5 is a schematic perspective view of the loop pushing horn tube raised to the upper end of the sinker, over the sinker at the loop, the pick-up device entering the pick-up position, and the positional relationship of the pick-up blade with the knitting needle in the first position;

FIG. 6 is a schematic perspective view of a working state of a sinker at a yarn feeding port of the sinker cover and a height of a knitting needle lifted to a loop retreating position;

figure 7 is a schematic top plan view of a portion of the pick-up apparatus with the pick-up sheet in a first position but with some of the components shown in phantom to allow viewing of the components below;

FIG. 8 is a schematic top plan view of a portion of the pickup apparatus similar to FIG. 7 with the pickup tab in a second position but with some of the components shown in phantom to allow viewing of the underlying components;

FIG. 9 is a sectional view showing a state where the loop pushing horn is lifted to push the loop into the pick-up piece hook, and a schematic perspective view showing the pick-up piece at a second position and the head of the knitting needle positioned;

fig. 10 is a cross-sectional view, and an enlarged partial detail view, of the pick-up blade radially moved back in the first position with the loop of the pick-up blade hooked into the retainer groove of the mounting plate.

Description of the labeling: a. A syringe assembly; a1, syringe; a2, exogenesis ke bed; a3, a Shengke bed; a3a, positioning an inner circle of the endograft bed; a3c, positioning key groove; a4, pushing a ring horn tube; a4a, pushing a ring, a horn tube and a sinker abdicating groove; a4b, pushing a ring and positioning an excircle by a horn tube; a4c, positioning key; B. a picking apparatus assembly; b1, a pickup sheet; b1a, a pick-up piece knitting needle positioning groove; B1B, a loop hook of the pickup sheet sleeve; b1c, a pickup leaf spring positioning opening; b2, a pickup mounting plate fixing seat; b3, pickup mounting plate; b3a, a retainer groove; B3B, a pickup disc and pickup sheet mounting groove; b4, a pick-up sheet control cam mounting disc; b4a, guide groove; b5, triangle control cam disc; b5a, cam slot; B5B, cylinder connecting hole; b6, pick-up sheet control triangle; b7, axial position screw; b8, pickup leaf hoop spring; b9, a pickup tray connection assembly; b10, air cylinder; b11, a cylinder connector; b12, positioning pins; C. a screw rod lifting mechanism; c1, a stepping motor; c2, a coupler; c3, a screw rod; c4, a screw nut; c5, a guide sliding seat; c6, a guide shaft; c7, a thrust bearing seat; c8, a thrust ball bearing; c9, fixing the clamping block; c10, a pressure spring retainer ring; c11, deep groove ball bearing; c12, a reset pressure spring; c13, a guide slide block; D. a hosiery machine main body; E. a sinker cap assembly; e1, yarn feeding port of sinker cover; g. A sinker; h. Knitting needles; h1, latch; I. hosiery articles; i1, knitting loops.

Detailed Description

A device for transferring and picking up a knitted article according to an embodiment of the present invention for a circular knitting machine will be further described with reference to fig. 1 to 10.

The utility model provides a circular knitting machine shifts device of picking up knitting goods, includes and pushes away the circle subassembly and picks up the subassembly, push away the circle subassembly including pushing away circle trumpet tube, it has its lead screw elevating system and the elasticity resetting means who goes up and down to push away circle trumpet tube connection, it includes the fixing base to pick up the subassembly, the piece mounting disc is picked up to the bottom of fixing base is installed, it has a plurality of pieces of picking up to pick up sliding mounting on the piece mounting disc, the fixing base is connected with the control pick up piece control triangle that picks up piece radial motion, it is connected with the triangular control cam to pick up piece control triangle-shaped, the triangular control cam is connected with its pivoted drive arrangement of drive.

As shown in fig. 1 and 3, in the main body D of the knitting hosiery machine of the present invention, the push-ring trumpet tube a4 inside the needle cylinder component a replaces the traditional sock-sucking copper tube; the lower part of the push ring horn tube A4 is connected with a screw rod lifting mechanism C, and can control the push ring horn tube A4 to do vertical axial movement;

as shown in fig. 2, the lead screw lifting mechanism C is connected with a lead screw C3 through a coupler C2 by a stepping motor C1, a lead screw nut C4 is screwed into a lead screw C3, the end of the lead screw nut C4 is fixedly connected with a slide carriage C5 into a whole, a guide hole of the slide carriage C5 is sleeved on a guide shaft C6 for up-and-down guiding, the other end of the slide carriage C5 is fixedly connected with a thrust bearing seat C7, the other side of the thrust bearing seat C7 is fixedly connected with a guide slider C13, a guide groove of the guide slider C13 is sleeved on a guide shaft C6 on the other side, so that two guide shafts C6 guide the thrust bearing seat C7 up and down and prevent the thrust bearing seat from axial rotation, a thrust C8 is arranged in a bearing hole of the thrust bearing seat C7, a thrust ball bearing C8 can move up and down by being pushed by the thrust bearing seat C7, the upper end of the thrust bearing C8 is provided with a thrust collar fixing clamp C9, and the lower end of a trumpet clamp 4 is connected with a trumpet clamp 4, the lower end of a reset pressure spring C12 is propped above a push ring horn tube fixing clamp block C9, the upper end of the reset pressure spring C12 is propped at the lower end of a pressure spring retainer ring C10 to play a role in resetting the push ring horn tube fixing clamp block C9 and the push ring horn tube A4, the upper end of a pressure spring retainer ring C10 is propped at an inner ring of a deep groove ball bearing C11, and the deep groove ball bearing C11 is arranged in a bearing hole at the lower end of the hosiery machine D.

In summary, as is known from the principle of the screw rod lifting mechanism C, the stepping motor C1 rotates to realize the lifting movement of the pushing flared tube a4, and when the stepping motor C1 resets, the pushing flared tube a4 can move downward under the elastic action of the resetting pressure spring C12. Meanwhile, the thrust ring horn tube A4 and the lead screw lifting mechanism C are connected with a thrust ball bearing C8 and a deep groove ball bearing C11 for transition, so that the axial rotation is not restricted.

The positioning outer circle A4b at the upper part of the pushing-ring trumpet tube A4 shown in figures 3 and 4 is sleeved in the positioning inner circle A3a of the sinker bed A3 and can slide up and down. The positioning key A4c on the push ring flared tube A4 is arranged in a positioning key groove A3c of the inner sinker A3 to realize radial positioning, so that the push ring flared tube A4 and the needle cylinder A1 can rotate together. The sinker abdicating grooves A4a of the push ring trumpet tube A4 correspond to the sinker mounting grooves of the exogenesis sinker bed A2 and the endogenesis sinker bed A3 one by one, and the sinker can be avoided when the push ring trumpet tube A4 rises and is lifted. Meanwhile, the connection of the positioning key A4c and the positioning key groove A3c can ensure that the push ring trumpet A4 can synchronously rotate with the syringe A1.

After the hosiery knitting machine finishes knitting the hosiery item I as shown in fig. 4, the knitting needle H is sequentially raised to the knockover level for knockover so that the loop I1 is positioned under the latch H1 while being pressed by the sinker G.

As shown in fig. 5 and 6, the looper horn a4 rises to the upper end of the sinker G, the hosiery I in the looper horn a4 is lifted, and the needle cylinder a continues to rotate the knitting needle H to pass through the yarn feeding ports E1 of the sinker cover assembly E in order to maintain the original height (here, the sinker G is in the retreated state and does not press the stitch I1). As the looping trumpet a4 raises the hosiery item I, the loop I1 of the knitting needle H passing by here is moved over the sinker G, ready to pick up the hosiery item.

The picking assembly B enters the picking position as shown in fig. 5 and 7. The picking assembly B is connected with a picking sheet mounting disc fixing seat B2 through a picking disc connecting assembly B9; a picking sheet mounting disc B3 is arranged below the picking sheet mounting disc fixing seat B2; the pick-up sheet mounting disc B3 is provided with a plurality of pick-up sheet mounting grooves B3B, the pick-up sheet mounting grooves B3B are uniformly distributed towards the circle center and correspond to the knitting needles H one by one, and the pick-up sheet mounting grooves B3B are provided with retainer grooves B3a towards the inner side of the circle center to protect the coil I1 from falling off; each pick-up piece mounting groove B3B is provided with a pick-up piece B1, a pick-up piece B1 can slide in the pick-up piece mounting groove B3B, the pick-up piece B1 is provided with a pick-up piece hoop spring positioning opening B1c, and a hoop spring B8 hoops the pick-up piece B1 towards the inner side all the time; a picking piece control triangular mounting disc B4 is arranged above the mounting disc fixing seat B2, 5 groups of picking piece control triangular guide grooves B4a corresponding to each other in pairs are arranged on the mounting disc B4, and the guide grooves B4a are 5 equal-divided circumference distributed and are oriented to be radial lines parallel to a circle; a cam control cam disc B5 is arranged above the picking plate control cam mounting disc B4, the outer diameter of the cam control cam disc B5 is limited by 3 positioning pins B12 with equal radius distribution, the cam control cam disc B5 can rotate around the center of the outer diameter, 5 groups of cam slots B5a are uniformly distributed on the cam control cam disc B5, the cam slots B5a are similar to Archimedes spiral shapes, and the corresponding radius is changed along with the change of the rotation angle; 5 picking piece control cams B6 are arranged in the spacing cavities among the picking piece mounting disc fixing seat B2, the picking piece mounting disc B3 and the picking piece control cam mounting disc B4, and shaft screws B7 penetrate through the cam slots B5a of the cam control cam discs B5 and are connected with screw holes of the picking piece control cams B6 through the guide grooves B4a of the control cam mounting disc B4. Thus, when cam control cam disk B5 rotates, cam slot B5a acts on shaft screw B7, and shaft screw B7 carries pickup control cam B6 along with it to move in the track direction of guide groove B4 a; the picking disc connecting assembly B9 is also provided with an air cylinder B10, the head of a piston rod of the air cylinder B10 is connected with an air cylinder connector B11, and the air cylinder connector B11 is connected with an air cylinder connecting hole B5B of a triangular control cam disc B5; thus, cylinder B11 can drive cam plate B5 to rotate.

As shown in fig. 7 and 8 and the operation principle of the picking assembly B is briefly explained, when the cylinder piston contracts and pulls the cam control plate B5 to rotate clockwise, the control cam B6 moves to the outside of the circle center, and the control cam B6 acts on the picking piece B1 to move outwards together, so that the picking piece B1 is in the first position; and conversely, the pick-up blade B1 can move inwards to be in the second position under the action of the pick-up blade hoop spring B8.

As shown in fig. 5 and 9, firstly, the picking assembly B enters a picking position, the picking piece B1 is in a first position, then the picking piece B1 moves inwards to a second position, the front end of the picking piece B1 is provided with a picking piece needle positioning groove B1a, the picking piece needle positioning groove B1a corresponds to a hook head part of a needle H, and the hook of the needle H is limited in the groove B1a to ensure that the transferring loop of knitting I1 is pushed and transferred from the needle H accurately and reliably; the pushing bell tube A4 is then lifted by the lead screw lifting mechanism C, and simultaneously pushes the hosiery item I and the loop I1 on the knitting needle H into the pick-up piece looping hook B1B of the pick-up piece B1.

As pick-up tab B1 moves outward to the second position as shown in fig. 10, loop needle hook B1B of pick-up tab B1 moves outward into pick-up disc retainer groove B3a while loop needle hook B1B enters retainer groove B3a of pick-up tab mounting disc B3 to form a closed loop, thereby closing loop I1 containing therein the loop of knitting picked up from corresponding needle H. In this way, it is possible to ensure that the loop I1 does not accidentally disengage from the looper hook B1B of the pick-up tab B1 during the transfer of the article I from the machine to the station for subsequent work or during subsequent operations, for example during the turning over of the article I performed by passing the anti-stocking tube from the bottom up through the article I.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A device for transferring and picking up a knitted article for a circular knitting machine, characterized in that: including pushing away the circle subassembly, the top of pushing away the circle subassembly is provided with the complex subassembly of picking up with it, push away the circle subassembly including pushing away circle trumpet tube, it has its lead screw elevating system that goes up and down to push away circle trumpet tube connection, it includes the fixing base to pick up the subassembly, one side of fixing base is installed and is picked up the piece mounting disc, it has a plurality of pieces of picking up to pick up slidable mounting on the piece mounting disc, the fixing base is connected with the triangle mounting disc, install a plurality of curved piece control triangles of picking up on the triangle mounting disc, set up a plurality of along its radial guide ways on the triangle mounting disc, it has drive its to pick up piece control triangle connection and is in gliding drive arrangement of guide way.

2. Device for transferring pick-up knitted articles for circular knitting machines according to claim 1, characterized in that: the lead screw lifting mechanism comprises a base, a lifting hole in clearance fit with the push ring horn tube is formed in the base, a motor is installed at one end of the base, a lead screw is connected to a driving shaft of the motor, a lead screw nut is connected to the lead screw, a sliding seat is fixedly connected with the lead screw nut, and the sliding seat is connected with the push ring horn tube.

3. Device for transferring and picking up knitted articles for circular knitting machines according to claim 2, characterized in that: the sliding seat is connected with a thrust bearing seat, a thrust ball bearing is installed on the thrust bearing seat, the thrust ball bearing is sleeved on the outer ring of the push ring horn tube, and the upper end of the thrust ball bearing is provided with a fixed clamping block fixed with the push ring horn tube.

4. Device for transferring pick-up knitted articles for circular knitting machines according to claim 3, characterized in that: the push ring is provided with a pressure spring retaining ring on the horn tube, a reset pressure spring is arranged between the fixed clamping block and the pressure spring retaining ring, the lower end of the reset pressure spring is propped against the upper part of the fixed clamping block, and the upper end of the reset pressure spring is propped against the lower end of the pressure spring retaining ring.

5. Device for transferring pick-up knitted articles for circular knitting machines according to claim 3, characterized in that: the other side of the thrust bearing seat is connected with a guide sliding block, and a guide shaft which is matched with the guide sliding block and the sliding seat respectively is arranged on the base.

6. Device for transferring pick-up knitted articles for circular knitting machines according to claim 1, characterized in that: the upper end of pushing away circle horn pipe is provided with a plurality of sinker piece groove of stepping down along the circumferencial direction, the outside of pushing away circle horn pipe is provided with the navigation key.

7. Device for transferring pick-up knitted articles for circular knitting machines according to claim 1, characterized in that: the driving device comprises a cam disc arranged above the cam mounting disc, a plurality of cam slots corresponding to the guide grooves are formed in the cam disc, the cam slots are spiral, a fixed shaft is arranged in the cam slots, and the fixed shaft penetrates through the cam slots and is connected with the picking piece control cams through the guide grooves.

8. Device for transferring pick-up knitted articles for circular knitting machines according to claim 1, characterized in that: the front end of the picking piece is provided with a picking piece loop needle hook, and the end surface of the picking piece loop needle hook is provided with a picking piece knitting needle positioning groove.

9. Device for transferring pick-up knitted articles for circular knitting machines according to claim 8, characterized in that: the picking piece is slidably mounted on the picking piece mounting disc through a picking piece mounting groove, a hoop spring is arranged between the picking piece mounting groove and the picking piece, and a picking piece hoop spring positioning opening is formed in the rear end of the picking piece.

10. Device for transferring pick-up knitted articles for circular knitting machines according to claim 9, characterized in that: the picking piece mounting grooves are evenly distributed on the picking piece mounting disc towards the circle center, and the picking piece mounting grooves are provided with ring protecting grooves towards the inner side of the circle center.

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