CN107805875B - Sock body positioning and ejection device of integrated sock knitting machine with movable sinker cover - Google Patents

Sock body positioning and ejection device of integrated sock knitting machine with movable sinker cover Download PDF

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Publication number
CN107805875B
CN107805875B CN201711187291.XA CN201711187291A CN107805875B CN 107805875 B CN107805875 B CN 107805875B CN 201711187291 A CN201711187291 A CN 201711187291A CN 107805875 B CN107805875 B CN 107805875B
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fixed
positioning
sock
cylinder
housing
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CN107805875A (en
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张小东
张亚东
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Zhejiang Specialty Textile Machinery Co ltd
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Zhejiang Specialty Textile Machinery Co ltd
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/40—Circular knitting machines with independently-movable needles with provision for transfer of knitted goods from one machine to another
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/06—Sinkers
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/14—Needle cylinders
    • D04B15/16—Driving devices for reciprocatory action
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/94—Driving-gear not otherwise provided for
    • D04B15/99—Driving-gear not otherwise provided for electrically controlled
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/42—Circular knitting machines with independently-movable needles specially adapted for producing goods of particular configuration
    • D04B9/46—Circular knitting machines with independently-movable needles specially adapted for producing goods of particular configuration stockings, or portions thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Abstract

The invention discloses a sock body positioning and ejection device of an integrated sock knitting machine with a movable sinker cover. The precision requirement of the cover shell displacement is high, and the demands of the tightness degree of different parts of the sock are different. The existing sock knitting and head sewing integrated machine is easy to solve the problem that the alignment of knitting needles and transfer sheets is inaccurate when transferring socks. The invention comprises a frame, a needle cylinder core, a gear, a sock loading cylinder, a positioning mechanism, a lifting mechanism, a supporting plate, a sinker cover, a connecting rod, a cover adjusting mechanism and a left eyebrow adjusting mechanism and a right eyebrow adjusting mechanism; the positioning mechanism comprises a positioning cylinder, a positioning ring, a fixed disc and a limiting block; the lifting mechanism comprises an optical axis, a lifting cylinder, a cylinder support and a lifting sliding block. The invention can avoid the stitch failure caused by the dislocation of the needle head in the process of transferring the sock by the sock knitting and stitch integrated machine. The invention can control the shifting angle of the sinker cover. The invention can control the tightness degree of different parts of the sock and improve the quality of the sock.

Description

Sock body positioning and ejection device of integrated sock knitting machine with movable sinker cover
Technical Field
The invention belongs to the technical field of hosiery knitting machines, and particularly relates to a sock body positioning and ejection device of an integrated hosiery knitting machine with a movable sinker cover.
Background
The existing integrated sock knitting machine capable of automatically knitting socks and sewing the head is characterized in that the sock is transferred to the sewing head device from the needle cylinder through the transfer sheet, and then the sewing head is carried out. When transferring socks from the sock knitting device to the stitch device, all knitting needles of the needle cylinder in the sock knitting device are required to be in one-to-one correspondence with the transfer pieces of the pick-up ring in the transfer device. However, because the needle cylinder rotates at a high speed in the process of knitting socks, the problem of inaccurate alignment easily occurs, and the positions of the knitting needles and the transfer sheets deviate, so that the stitch head fails to work. In addition, during the transfer process, since the position of the sock in the cylinder is low, the pickup ring and the cylinder are easily interfered by collision, thereby causing the cylinder to be crashed.
The sinker cover is a common part on the hosiery machine and is ring-shaped, and the inner side of the sinker cover is provided with a needle cylinder. In the process of weaving socks, when the socks need knitting patterns with terry, a plurality of needle tongues which are annularly arranged above a needle cylinder generally do up-and-down motion along the longitudinal direction of the outer circumference of the needle cylinder, and do transverse motion towards the center direction of the needle cylinder in cooperation with a sinker special for terry so as to perform staggered knitting, thereby completing the terry knitting effect. The mask generally includes a mask housing, and a middle eyebrow, a left eyebrow, and a right eyebrow mounted to the mask housing. When knitting the terry, the sinker moves laterally along the contour of the middle eyebrow.
When knitting different socks, need carry out the shifting of giving birth to gram cover through the mode of rotating the housing, and then guarantee that the bottom yarn is located the inboard of knitting out socks, and the face yarn is located the outside of knitting out socks, improves the aesthetic measure of socks. The sinker cover shell of the existing hosiery machine needs to be manually adjusted, and because the adjustment angle required by the displacement of the shell is small and the precision requirement is high, the manual adjustment often needs a long time to try, and the finally achieved effect is difficult to meet the requirement.
The requirement of the elasticity degree of the knitting lines at different parts of the sock is different due to different patterns and different functions when knitting the terry, however, the left eyebrow and the right eyebrow are usually completely fixed on the sinker cover body and cannot rotate in the prior art, so that the elasticity degree of the different parts of the sock cannot be controlled in the process of producing the sock, and the beautiful appearance and the comfort degree of the knitted sock are greatly reduced. Therefore, it is important to design a sinker cover adjusting device which can not only enable the sinker cover to be accurately shifted, but also automatically control the rotation of the left eyebrow and the right eyebrow in the process of knitting socks.
Disclosure of Invention
The invention aims to provide a sock body positioning and ejection device of an integrated sock knitting machine with a movable sinker cover.
The invention comprises a frame, a needle cylinder core, a gear, a sock loading cylinder, a positioning mechanism, a lifting mechanism, a supporting plate, a sinker cover, a connecting rod, a cover adjusting mechanism and a left eyebrow adjusting mechanism and a right eyebrow adjusting mechanism; the supporting plate is fixed with the frame. The gear is supported on the frame and driven by the needle cylinder motor.
The positioning mechanism comprises a positioning cylinder, a positioning ring, a fixed disc and a limiting block; the positioning ring is fixed on the top surface of the gear; a limit groove is formed in the top surface of the positioning ring; the groove width of the limiting groove is b, b is more than or equal to 1/40D and less than or equal to 1/10D, and D is the outer diameter of the positioning ring; the fixed disc provided with the central hole is positioned right above the positioning ring and is fixed with the frame; the positioning cylinder is fixed with the top surface of the fixed disc, and the piston rod of the positioning cylinder faces downwards; the fixed disc is provided with a through rod hole at a position corresponding to the piston rod of the positioning cylinder; the outer end of the piston rod of the positioning cylinder is fixed with the limiting block; the distance between two opposite side surfaces on the limiting block is equal to b; the limiting block penetrates through the through rod hole in the fixed disc, and the limiting block is located above the locating ring.
The lifting mechanism comprises an optical axis, a lifting cylinder, a cylinder support and a lifting slide block; the top end of the optical axis is fixed with the frame, and the bottom end is fixed with a cylinder support; the lifting cylinder is fixed with the cylinder support; the piston rod of the lifting cylinder is upwards arranged and fixed with the middle part of the lifting slide block; one end of the lifting sliding block and the optical axis form a sliding pair, and the other end of the lifting sliding block is fixed with the bottom of the sock loading cylinder.
The sinker cover comprises a cover shell, a left eyebrow and a right eyebrow; the housing and the frame form a revolute pair; the left eyebrow and the right eyebrow are both arranged in the housing; the left eyebrow and the right eyebrow are hinged with the housing.
The housing adjusting mechanism comprises a first motor, a screw rod, a sliding rod, a U-shaped adjusting block and a fixed handle; the sliding rod which is vertically arranged and the sliding groove which is arranged on the supporting plate form a sliding pair which slides along the horizontal direction; the screw rod and the nut fixed on the sliding rod form a screw pair; the screw is driven by a first motor.
The U-shaped adjusting block consists of an integrally formed fixed plate and two positioning plates; the two ends of the fixed plate are respectively connected with the inner ends of the two positioning plates; the middle part of the fixed plate is fixed with the top end of the sliding rod; positioning bolts are fixed on the opposite side surfaces of the two positioning plates; opposite end surfaces of the two positioning bolts respectively prop against two side surfaces of one end of the fixed handle; the other end of the fixed handle is fixed with the housing.
The left and right eyebrow adjusting mechanism comprises a second motor, a cylindrical gear, a gear plate, an adjusting bolt and an adjusting plate; the adjusting sheet consists of an integrally formed arc sheet and a connecting sheet; the circular arc piece and the housing form a revolute pair with a common axis collinear with the axis of the housing; two adjusting grooves are formed in the side face of the arc piece; the cross sections of the two adjusting grooves are formed by encircling a first circular arc section, a second circular arc section and a connecting line section; the two ends of the first circular arc section are respectively connected with one ends of the two connecting line segments and tangent to each other; two ends of the second circular arc section are respectively connected with the other ends of the two connecting line segments and tangent to each other; the distance between the circle center of the first arc section and the axis of the cover body is R1; the distance between the center of the second arc section and the axis of the cover body is R2; r1 is smaller than R2 by a, a is more than or equal to 0.5mm and less than or equal to 2mm; an adjusting bolt is arranged in each of the two adjusting grooves; the diameter of the adjusting bolt is equal to the width of the adjusting groove; the bottom ends of the two adjusting bolts penetrate through the housing and are respectively fixed with the left eyebrow and the right eyebrow.
The outer edge of the arc piece is connected with one end of the connecting piece; the other end of the connecting sheet is fixed with the inner end of the gear sheet; the outer end of the gear plate is provided with a driving arc groove; the rotation axis of the driving arc groove is collinear with the axis of the housing; the inner side surface of the driving arc groove is provided with gear teeth; the second motor is arranged on the supporting plate; the output shaft of the second motor is vertically upwards arranged and fixed with the cylindrical gear; the cylindrical gear is arranged in the driving circular arc groove and meshed with gear teeth on the inner side surface of the driving circular arc groove; one end of the connecting rod is hinged with the sliding rod, and the other end of the connecting rod is fixed with the second motor.
Further, the groove width of the adjusting groove is equal to the diameter of the adjusting bolt.
Further, the locating ring, the gear and the needle cylinder on the hosiery machine are coaxially arranged. The axis of the positioning ring is arranged in the symmetrical planes of the two side walls of the limiting groove, and in the symmetrical planes of the two opposite side surfaces on the limiting block.
Further, two guiding circular arc grooves are formed in the housing; the two guide circular arc grooves respectively take the axis of the hinge shaft of the left eyebrow and the housing and the axis of the hinge shaft of the right eyebrow and the housing as rotation axes; the bottom ends of the two adjusting bolts respectively penetrate through the two guiding circular arc grooves.
Further, the distance between the axis of the cylindrical gear and the outer side surface of the driving circular arc groove is equal to the radius of the tooth top circle of the cylindrical gear.
Further, the rotation axis of the circular arc piece is collinear with the axis of the housing.
Further, the groove width of the limiting groove is a=1/20D.
Further, the center hole of the fixed disc and the positioning ring are coaxially arranged.
Further, the side surface of the limiting block closest to the axis of the positioning ring is tangent to the inner side surface of the positioning ring.
Further, the sock loading tube and the needle cylinder of the sock knitting machine are coaxially arranged, and the needle cylinder is sleeved outside the sock loading tube.
The invention has the beneficial effects that:
1. according to the invention, the relative position of the needle cylinder and the rack is determined in the state that the limiting block is clamped into the limiting groove, so that the stopping position of the needle cylinder is accurate, and the stitch failure caused by needle misplacement in the sock knitting and stitch sewing integrated machine is avoided.
2. The invention can raise the knitted part of the sock by raising the sock loading barrel, improves the success rate of taking out the sock by the pick-up ring, and avoids the interference of the rotating arm and the needle cylinder, thereby avoiding the occurrence of the condition that the knitting needle is crashed.
3. The invention can improve the success rate of the sock knitting and stitch sewing integrated machine in the sock transferring process, and avoid the occurrence of the sock knitting failure.
4. According to the invention, the angle of shifting of the sinker cover can be accurately controlled by controlling the rotation angle of the first motor, so that the aesthetic degree and quality of the knitted socks are improved.
5. According to the invention, the rotation angle of the second motor can be controlled, and the rotation of the left eyebrow and the right eyebrow can be controlled, so that the tightness degree of different parts of the sock can be controlled, and the quality of the sock can be improved.
6. The invention avoids the instability of manual adjustment of the sinker cover, greatly shortens the debugging time of the hosiery knitting machine and improves the yield of knitting socks.
7. When the sinker cover is shifted, the sinker cover and the adjusting piece synchronously move, so that the situation that the left eyebrow and the right eyebrow rotate due to the shift of the sinker cover is avoided. Thereby greatly improving the reliability and effectiveness of shifting the sinker cover.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram showing a combination of a positioning mechanism and a lifting mechanism according to the present invention;
FIG. 3 is a perspective view of a positioning mechanism according to the present invention;
fig. 4 is a perspective view of a retainer ring according to the present invention.
FIG. 5 is a schematic diagram showing a combination of the housing adjusting mechanism and the left and right eyebrow adjusting mechanisms according to the present invention;
FIG. 6 is a schematic top view of the housing adjustment mechanism and the left and right eyebrow adjustment mechanisms of the present invention;
FIG. 7 is a schematic top view of the left and right eyebrow adjustment mechanism according to the present invention;
FIG. 8 is a schematic view of the sinker cover with the cover removed in accordance with the present invention;
FIG. 9 is a schematic view of a tab of the present invention;
fig. 10 is an enlarged view of a portion a in fig. 9.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, 2, 3 and 5, a sock body positioning and ejecting device of an integrated sock knitting machine with a movable sinker cover comprises a rack 20, a needle cylinder core 21 (namely a lower sock cylinder seat on the sock knitting machine), a gear 22 (namely a needle cylinder tooth gear on the sock knitting machine), a sock loading cylinder 23, a positioning mechanism i, a lifting mechanism ii, a supporting plate 1, a sinker cover iii, a connecting rod 14, a cover shell adjusting mechanism iv and a left and right eyebrow adjusting mechanism v. The support plate 1 is fixed to the frame 20. The needle cylinder core 21 is fixed on the frame, and the needle cylinder core 21 is coaxially arranged with the needle cylinder on the hosiery machine. The gear 22 is supported on the frame 20. The gear 22 is driven by the syringe motor. The gear 22 is used for driving the needle cylinder on the hosiery machine to rotate.
As shown in fig. 1, 2, 3 and 4, the positioning mechanism i includes a positioning cylinder 24, a positioning ring 25, a fixed disk 26, a stopper 27 and a mounting block 28. A retainer ring 25 is fixed to the top surface of the gear 22. The positioning ring 25, the gear 22 and the needle cylinder on the hosiery machine are coaxially arranged. The top surface of the positioning ring 25 is provided with a limiting groove 25-1. The axis of the positioning ring 25 is arranged in the symmetrical plane of the two side walls of the limiting groove 25-1. The groove width of the limit groove 25-1 is a, a=1/20 d, and d is the outer diameter of the retainer ring 25. A fixing plate 26 provided with a central hole is positioned right above the positioning ring 25 and is fixed with the frame 20. The central hole of the fixed disk 26 is arranged coaxially with the retainer ring 25. The mounting block 28 is secured to the top surface of the mounting plate 26. The positioning cylinder 24 is fixed to the mounting block 28. And the piston rod of the positioning cylinder 24 is directed downward. The mounting block 28 and the fixed disk 26 are provided with through rod holes at positions corresponding to the piston rods of the positioning cylinders 24. The outer end of the piston rod of the positioning cylinder 24 is fixed with a limiting block 27. The axis of the positioning ring is arranged in the symmetrical planes of the two opposite side surfaces on the limiting block, and the distance between the two side surfaces of the limiting block is equal to a. The limiting block 27 passes through the mounting block 28 and the through rod hole on the fixed disk 26. The side of the stopper 27 closest to the axis of the retainer ring 25 is tangent to the inside surface of the retainer ring 25. The positioning cylinder 24 is used for pushing the limiting block 27 to move up and down, and if the limiting block 27 is clamped into the limiting groove 25-1, the gear 22 and the frame 20 are fixed together, so that the needle cylinder cannot rotate. In the state that the limiting block 27 is clamped into the limiting groove 25-1, the relative position of the needle cylinder and the rack is determined, so that the stopping position of the needle cylinder is accurate, and the stitch failure caused by needle misplacement when the sock is transferred from the sock knitting device to the stitch device in the sock knitting and stitch integrated type sock knitting machine is avoided.
As shown in fig. 1 and 2, the lifting mechanism ii includes an optical axis 29, a lifting cylinder 30, a cylinder holder 31, and a lifting slider 32. The top end of the optical axis 29 is fixed to the frame 20, and the bottom end is fixed with a cylinder holder 31. The lifting cylinder 30 is fixed to the cylinder holder 31. The piston rod of the lifting cylinder 30 is disposed upward and fixed to the middle of the lifting slider 32. One end of the lifting slide block 32 and the optical axis 29 form a sliding pair, and the other end is fixed with the bottom of the stocking leg 23. The stocking leg 23 is arranged in the needle cylinder core 21 and coaxially with the needle cylinder core 21, and the needle cylinder is sleeved outside the stocking leg 23. In the process of knitting socks, the lifting cylinder 30 retracts the piston rod, so that the top end of the stocking barrel 23 is lower than the top of the needle cylinder, and at the moment, the stocking barrel 23 can isolate the knitted part of the needle cylinder and socks, so that the socks are prevented from being hooked into the needle cylinder, and the knitting of the socks is failed. After the knitting of the socks is completed, the piston rod of the lifting cylinder 30 is pushed out, so that the sock loading cylinder 23 is lifted to jack up the socks, and the phenomenon that the rotating arm for transferring the socks to the stitch device collides with the needle cylinder to interfere with the transfer is avoided, so that the transfer is failed.
As shown in fig. 1, 5, 6 and 8, the sinker cover iii includes a housing 2, a middle eyebrow 3, a left eyebrow 18 and a right eyebrow 19. The housing 2 is annular. The inner ring of the housing 2 is sleeved on the needle cylinder of the hosiery machine. The housing 2 is arranged coaxially with the needle cylinder. The housing 2 and the frame of the hosiery machine form a revolute pair with the axis of the housing 2 as a common axis. The middle eyebrow 3, the left eyebrow 18 and the right eyebrow 19 are all arranged in the housing 2, and the middle parts of the left eyebrow and the right eyebrow are all hinged with the housing 2.
As shown in fig. 1, 5 and 6, the housing adjusting mechanism iv includes a first motor 4, a bracket 5, a screw 6, a slide rod 7, a U-shaped adjusting block 8, and a fixed handle 9. The vertically arranged sliding rod 7 passes through a sliding groove arranged on the supporting plate 1. The slide rod 7 and the slide groove form a slide pair which slides along the horizontal direction. The chute is a through chute. The bracket 5 is fixed on the bottom surface of the support plate 1. The first motor 4 is fixed with the bracket 5. The output shaft of the first motor 4 is fixed with one end of the screw rod 6. The screw rod 6 horizontally arranged and the nut fixed at the bottom end of the sliding rod 7 form a screw pair. The U-shaped adjusting block 8 consists of an integrally formed fixing plate and two positioning plates. The two ends of the fixed plate are respectively connected with the inner ends of the two positioning plates. The two locating plates are arranged at intervals. The middle part of the fixed plate is fixed with the top end of the sliding rod 7. And positioning bolts are connected to the opposite side surfaces of the two positioning plates in a threaded manner. One end of the fixed handle 9 is fixed with the housing 2, and the other end is arranged between two positioning bolts. The opposite end faces of the two positioning bolts respectively prop against the two side faces of the fixed handle 9. The first motor 4 drives the screw rod 6 to rotate, so that the sliding rod 7 can horizontally slide, and the housing can rotate within a certain range. The rotation of the cover shell is the displacement of the cover shell. The shift of the sinker cover can adjust the relative position of the upper yarn and the bottom yarn of the knitted sock. Under the control of the first motor, the shifting of the sinker cover is more accurate and controllable, and the quality of knitting socks is greatly improved.
As shown in fig. 1, 5, 6, 7, 9, and 10, the left and right eyebrow adjusting mechanism v includes a second motor 10, a cylindrical gear 11, a gear piece 12, a connection block 13, an adjusting pin 15, and an adjusting piece 16. The adjusting piece 16 is composed of an integrally formed circular arc piece 16-1 and a connecting piece 16-2. The circular arc piece 16-1 and the housing 2 form a revolute pair with a common axis collinear with the axis of the housing 2. The axis of rotation of the circular arc piece 16-1 is collinear with the axis of the housing 2. Two adjusting grooves 17 are formed in the side faces of the arc pieces. The cross sections of the two adjusting grooves 17 are formed by encircling a first circular arc section 17-1, a second circular arc section 17-2 and a connecting line section 17-3. The two ends of the first circular arc section 17-1 are respectively connected with and tangent to one ends of the two connecting line sections 17-3. The two ends of the second circular arc section 17-2 are respectively connected with and tangent to the other ends of the two connecting line sections 17-3. The distance between the center of the first circular arc section 17-1 and the axis of the cover body is R1. The distance between the center of the second arc section 17-2 and the axis of the cover body is R2. R1 is 1mm smaller than R2. An adjusting bolt 15 is arranged in each adjusting groove. The diameter of the adjusting pin 15 is equal to the groove width of the adjusting groove. The bottom surface of the annular protrusion arranged at the top end of the side surface of the adjusting bolt 15 is contacted with the top surface of the circular arc piece. Two guiding circular arc grooves are arranged on the housing. The two guide circular arc grooves respectively take the axis of the hinge shaft of the left eyebrow and the cover shell and the axis of the hinge shaft of the right eyebrow and the cover shell as rotation axes. The groove width of the guide circular arc groove is equal to the radius of the adjusting bolt. The bottom ends of the two adjusting bolts respectively penetrate through the two guiding circular arc grooves and are respectively fixed with the left eyebrow and the right eyebrow.
The outer circular arc edge of the circular arc piece 16-1 is connected with one end of the connecting piece 16-2. The other end of the connecting piece 16-2 is fixed with the inner end of the gear piece 12 through the connecting piece 13. The outer end of the gear plate 12 is provided with a driving circular arc groove. The axis of rotation of the driving circular arc slot is collinear with the axis of the housing 2. A plurality of gear teeth are arranged on the inner side surface of the driving circular arc groove. The second motor 10 is placed on the support plate 1. The output shaft of the second motor 10 is disposed vertically upward and fixed with the spur gear 11. The cylindrical gear 11 is arranged in the driving circular arc groove and meshed with gear teeth on the inner side surface of the driving circular arc groove. The distance between the axis of the cylindrical gear 11 and the outer side surface of the driving circular arc groove is equal to the radius of the top circle of the cylindrical gear.
The rotation of the cylindrical gear 11 can drive the gear piece 12 to drive the adjusting piece 16 and the cover body to rotate relatively. When the adjusting piece 16 rotates, the two adjusting bolts 15 are driven to slide along the two guiding circular arc grooves respectively, so that the left eyebrow and the right eyebrow rotate relative to the housing 2. The relative rotation of the left eyebrow, the right eyebrow and the housing 2 can change the relative positions of the left eyebrow, the right eyebrow and the middle eyebrow 3, so that tightness of different parts of the sock is controlled, and quality and yield of the sock are improved better.
One end of each connecting rod and the sliding rod 7 form a revolute pair with a public axis arranged vertically, and the other end of each connecting rod and the second motor 10 are fixed. Because the connecting rod 14 connects the sliding rod 7 and the second motor 10, the sliding rod 7 horizontally moves to drive the second motor 10 to rotate around the axis of the housing, so that the adjusting piece 16 and the housing synchronously rotate, the housing is prevented from rotating relative to the adjusting piece during rotation, and the tightness degree of the knitted socks cannot be changed along with the displacement of the housing.
The working principle of the invention is as follows:
step one, a first motor rotates, and the sinker cover rotates around the axis of the needle cylinder to finish the shifting of the sinker cover.
And step two, knitting the sock body by a sock knitting device of the sock knitting and head sewing integrated machine. The second motor rotates in the knitting process to adjust the positions of the left eyebrow and the right eyebrow and control the tightness degree of different positions of the sock body.
And thirdly, after the sock body is knitted, all knitting needles in the knitting needle cylinder are lowered to the lowest position, and the positioning air cylinder is pushed out, so that the bottom of the limiting block is propped against the top surface of the positioning ring. When the limit groove 25-1 rotates to the position right below the limit block 27, the limit block 27 is clamped into the limit groove 25-1, so that the rotation of the knitting needle cylinder is stopped. At this time, the positions of all knitting needles on the knitting needle cylinder are in one-to-one correspondence with the positions of the transfer sheets in the picking ring on the rotating arm.
And step four, rotating the rotating arm of the stitching head device to enable the pick-up ring to reach the position right above the knitting cylinder.
Step five, the lifting cylinder 30 pushes out, and the sock body in the knitting needle cylinder is lifted up by the sock loading cylinder 23. So that the sock body is separated from the needle cylinder and connected with the pick-up ring.
And step six, rotating the rotating arm to enable the sock body to be transferred into the stitching device for stitching, so as to obtain a formed sock.

Claims (5)

1. A sock body positioning and ejecting device of an integrated sock knitting machine with a movable sinker cover comprises a rack, a needle cylinder core, gears, a sock loading cylinder, a positioning mechanism, a lifting mechanism, a supporting plate, the sinker cover, a connecting rod, a cover shell adjusting mechanism and a left eyebrow adjusting mechanism and a right eyebrow adjusting mechanism; the method is characterized in that: the needle cylinder core is fixed on the frame; the supporting plate is fixed with the frame; the gear is supported on the frame and driven by the needle cylinder motor; the gear is used for driving the needle cylinder of the hosiery machine to rotate;
the positioning mechanism comprises a positioning cylinder, a positioning ring, a fixed disc and a limiting block; the positioning ring is fixed on the top surface of the gear; a limit groove is formed in the top surface of the positioning ring; the groove width of the limiting groove is b, b is more than or equal to 1/40D and less than or equal to 1/10D, and D is the outer diameter of the positioning ring; the fixed disc provided with the central hole is positioned right above the positioning ring and is fixed with the frame; the positioning cylinder is fixed with the top surface of the fixed disc, and the piston rod of the positioning cylinder faces downwards; the fixed disc is provided with a through rod hole at a position corresponding to the piston rod of the positioning cylinder; the outer end of the piston rod of the positioning cylinder is fixed with the limiting block; the distance between two opposite side surfaces on the limiting block is equal to b, so that the limiting block can be matched with the groove width of the limiting groove; the limiting block penetrates through the through rod hole in the fixed disc, and is positioned above the positioning ring;
the lifting mechanism comprises an optical axis, a lifting cylinder, a cylinder support and a lifting slide block; the top end of the optical axis is fixed with the frame, and the bottom end is fixed with a cylinder support; the lifting cylinder is fixed with the cylinder support; the piston rod of the lifting cylinder is upwards arranged and fixed with the middle part of the lifting slide block; one end of the lifting sliding block and the optical axis form a sliding pair, and the other end of the lifting sliding block is fixed with the bottom of the sock loading cylinder;
the sinker cover comprises a cover shell, a left eyebrow and a right eyebrow; the housing and the frame form a revolute pair; the left eyebrow and the right eyebrow are both arranged in the housing; the left eyebrow and the right eyebrow are hinged with the housing;
the housing adjusting mechanism comprises a first motor, a screw rod, a sliding rod, a U-shaped adjusting block and a fixed handle; the sliding rod which is vertically arranged and the sliding groove which is arranged on the supporting plate form a sliding pair which slides along the horizontal direction; the screw rod and the nut fixed on the sliding rod form a screw pair; the screw rod is driven by a first motor;
the U-shaped adjusting block consists of an integrally formed fixed plate and two positioning plates; the two ends of the fixed plate are respectively connected with the inner ends of the two positioning plates; the middle part of the fixed plate is fixed with the top end of the sliding rod; positioning bolts are fixed on the opposite side surfaces of the two positioning plates; opposite end surfaces of the two positioning bolts respectively prop against two side surfaces of one end of the fixed handle; the other end of the fixed handle is fixed with the housing;
the left and right eyebrow adjusting mechanism comprises a second motor, a cylindrical gear, a gear plate, an adjusting bolt and an adjusting plate; the adjusting sheet consists of an integrally formed arc sheet and a connecting sheet; the arc piece and the housing form a revolute pair; the rotation axis of the arc piece is collinear with the axis of the housing; two adjusting grooves are formed in the side face of the arc piece; the cross sections of the two adjusting grooves are formed by encircling a first circular arc section, a second circular arc section and a connecting line section; the two ends of the first circular arc section are respectively connected with one ends of the two connecting line segments and tangent to each other; two ends of the second circular arc section are respectively connected with the other ends of the two connecting line segments and tangent to each other; the distance between the circle center of the first arc section and the axis of the housing is R1; the distance between the center of the second arc section and the axis of the housing is R2; r1 is smaller than R2 by a, a is more than or equal to 0.5mm and less than or equal to 2mm; an adjusting bolt is arranged in each of the two adjusting grooves; the diameter of the adjusting bolt is equal to the width of the adjusting groove; the bottom ends of the two adjusting bolts penetrate through the housing and are respectively fixed with the left eyebrow and the right eyebrow;
the outer edge of the arc piece is connected with one end of the connecting piece; the other end of the connecting sheet is fixed with the inner end of the gear sheet; the outer end of the gear plate is provided with a driving arc groove; the rotation axis of the driving arc groove is collinear with the axis of the housing; the inner side surface of the driving arc groove is provided with gear teeth; the second motor is arranged on the supporting plate; the output shaft of the second motor is vertically upwards arranged and fixed with the cylindrical gear; the cylindrical gear is arranged in the driving circular arc groove and meshed with gear teeth on the inner side surface of the driving circular arc groove; one end of the connecting rod is hinged with the sliding rod, and the other end of the connecting rod is fixed with the second motor;
two guide circular arc grooves are formed in the housing; the two guide circular arc grooves respectively take the axis of the hinge shaft of the left eyebrow and the housing and the axis of the hinge shaft of the right eyebrow and the housing as rotation axes; the bottom ends of the two adjusting bolts respectively pass through the two guide circular arc grooves;
the distance between the axis of the cylindrical gear and the outer side surface of the driving circular arc groove is equal to the radius of the tooth top circle of the cylindrical gear.
2. The sock body positioning and ejection device of an integrated hosiery machine with a movable sinker cover according to claim 1, characterized in that: the groove width b=1/20D of the limit groove.
3. The sock body positioning and ejection device of an integrated hosiery machine with a movable sinker cover according to claim 1, characterized in that: the center hole of the fixed disk and the positioning ring are coaxially arranged.
4. The sock body positioning and ejection device of an integrated hosiery machine with a movable sinker cover according to claim 1, characterized in that: the side surface of the axis of the limiting block closest to the positioning ring is tangent to the inner side surface of the positioning ring.
5. The sock body positioning and ejection device of an integrated hosiery machine with a movable sinker cover according to claim 1, characterized in that: the sock loading tube and the needle cylinder of the sock knitting machine are coaxially arranged, and the needle cylinder is sleeved outside the sock loading tube.
CN201711187291.XA 2017-11-24 2017-11-24 Sock body positioning and ejection device of integrated sock knitting machine with movable sinker cover Active CN107805875B (en)

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CN108677368B (en) * 2018-05-31 2019-09-06 吉林省德盟欧纺织机械有限公司 A kind of oscillating arm mechanisms
CN109972281B (en) * 2019-04-19 2024-05-03 浙江嘉志利智能科技有限公司 Tubular fabric forming device and method with object supporting mechanism
CN113005619A (en) * 2019-12-19 2021-06-22 大康织机股份有限公司 Hosiery knitting apparatus and method of operating the same

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JP5813192B1 (en) * 2014-08-29 2015-11-17 永田精機株式会社 Method and apparatus for transferring knitted fabric of circular knitting machine
CN104611823B (en) * 2015-01-31 2017-01-25 诸暨镭尔福机械科技有限公司 Hosiery knitting and end sewing integrated weft knitting hosiery knitter and use method
CN105040250A (en) * 2015-06-24 2015-11-11 浙江叶晓针织机械有限公司 Sinker cap
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