CN113215730A

CN113215730A - Sock head fixing and sewing device

Info

Publication number: CN113215730A
Application number: CN202110467294.9A
Authority: CN
Inventors: 赵月均; 傅建新; 胡培贤
Original assignee: Zhejiang Kaiqiang Light Textile Machinery Co ltd
Current assignee: Zhejiang Kaiqiang Light Textile Machinery Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-08-06

Abstract

The invention discloses a sock head fixing and sewing device, which can automatically turn over and fold a sock opening to form a semicircular edge, and sew up a sock head in a rotary sewing mode, so that the problems of low manual sewing efficiency and poor flatness of a straight sewing head are solved. The key points of the technical scheme are as follows: the turnover mechanism comprises a turnover needle seat, first fixing needles which are circumferentially arranged at equal intervals, a liftable turnover barrel and a barrel seat, wherein the turnover needle seat comprises a first semi-ring seat and a second semi-ring seat which are rotatably connected; the side wall of the turnover cylinder is provided with an opening, and the turnover cylinder is positioned in the through cavity of the cylinder seat; the fixing mechanism comprises a fixing needle seat and second fixing needles which are arranged at equal intervals in the circumferential direction; the sewing mechanism comprises a pressing piece, an automatic sewing needle and a thread cutter; the driving mechanism comprises at least one servo motor and further comprises an air cylinder and/or a hydraulic cylinder, and the servo motor, the air cylinder and the hydraulic cylinder are coupled with a servo control system of the hosiery machine.

Description

Sock head fixing and sewing device

Technical Field

The invention relates to the field of hosiery machines, in particular to a sock head fixing and sewing device.

Background

The hosiery machine is modern knitting equipment which adopts electromechanical integration technology to weave sock bodies, patterns and sew sock heads, has higher intelligent and automatic degrees, and is widely applied to the knitting industry.

In the process of producing socks by adopting a sock machine, an opening is reserved at the sock head part after the sock body is knitted, the opening needs to be sewed, in the prior art, the sock head is sewed manually or by adopting a special sewing machine, and the manual sewing mode has high labor intensity and low efficiency and is difficult to ensure the sewing quality; the toe-sewing machine that current hosiery machine was equipped with generally adopts the mode of straight formula toe-sewing, and the manual work is kneaded the alignment of the both sides edge of undertoe opening promptly, makes its opening form the straight line shape, sends into the toe-sewing machine with the opening edge according to fixed mode again and sews up, but in this kind of toe-sewing mode, the deviation produces easily when the manual work aligns the undertoe edge, and at the socks body along with the machine in-process of marcing sew up, the undertoe edge forms pincher trees gradually easily, thereby lead to the undertoe after sewing up not to required roughness, increase the probability that defective products appear.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a sock head fixing and sewing device which can automatically turn over a sock opening and fold the sock opening to form a semicircular edge, sew the sock head in a rotary sewing mode, and solve the problems of low manual sewing efficiency and poor flatness of a straight sewing head.

In order to realize the purpose of the invention, the invention adopts the following technical scheme:

the sock head fixing and sewing device comprises a turnover mechanism, a fixing mechanism, a sewing mechanism and a driving mechanism, wherein the turnover mechanism comprises a turnover needle seat, a plurality of first fixing needles, a liftable turnover barrel and a barrel seat, the first fixing needles are circumferentially arranged on the turnover needle seat at equal intervals, the turnover needle seat comprises a first semi-ring seat and a second semi-ring seat, and the first semi-ring seat and the second semi-ring seat are rotatably connected; the side wall of the turnover cylinder is provided with an opening for the sock body to enter, the opening forms a notch at the upper end part of the turnover cylinder, a through cavity is arranged in the cylinder seat, and the turnover cylinder is positioned in the through cavity; the fixing mechanism comprises a fixing needle seat and a plurality of second fixing needles which are circumferentially arranged on the fixing needle seat at equal intervals; the toe sewing mechanism comprises a pressing piece used for pressing the edge of the toe, an automatic toe sewing needle used for sewing the toe and a thread cutter. The needle point of the first fixing needle faces downwards, the needle point of the second fixing needle faces upwards, and the distance between the first fixing needles is equal to the distance between the second fixing needles. The driving mechanism comprises at least one servo motor and further comprises an air cylinder and/or a hydraulic cylinder, and the servo motor, the air cylinder and the hydraulic cylinder are coupled with a servo control system of the hosiery machine.

Preferably, the first semi-ring seat is horizontally and fixedly arranged, and the second semi-ring seat can rotate downwards by 180 degrees and is aligned and attached to the first semi-ring seat.

Preferably, the second half ring seat is provided with a rotating structure, the rotating structure comprises a rotating shaft and a clamping hole, the clamping hole is provided with a clamping block, and the clamping block is connected with an output rotating shaft of the servo motor.

Preferably, the turn-over needle base is provided with a push-out structure for separating the sock body from the first fixing needle.

Preferably, the ejecting structure includes two semicircular push plates, the lower surface of first semicircular seat and second semicircular seat is located respectively to two push plates, and the outside of push plate is equipped with the nose bar that a plurality of circumference equidistance were arranged, the nose bar all is embedded in the clearance between first fixed needle.

Preferably, the needle fixing base is fixedly connected with the upper end of the barrel base, the barrel base is connected to a servo motor for driving the barrel base to drive the needle fixing base to rotate, and a hydraulic cylinder for driving the turnover barrel to lift is further arranged inside the barrel base.

Preferably, a passage for the passage of the turn-over cylinder is formed between the first half ring seat and the second half ring seat, and the diameter of the passage is larger than that of the turn-over cylinder.

Preferably, the fixed needle seat is provided with a sock taking-off structure for pushing out the sock with the sewn head.

Preferably, take off socks structure and include the semicircular plate and be used for controlling the lifter of semicircular plate up-and-down motion, the lateral wall department of semicircular plate is equipped with the through-hole that a plurality of circumference equidistance were arranged, the through-hole cover is established on the fixed needle of second one by one.

Preferably, the pressing piece in the sewing mechanism is arc-shaped, and when the automatic sewing needle works, the outer side wall of the pressing piece is tightly attached to the inner side wall of a semicircle formed by surrounding of the plurality of second fixing needles.

Compared with the prior art, the sock head fixing and sewing device adopting the technical scheme has the following beneficial effects:

the sock head fixing and sewing device has the advantages that the edge of the sock head is fixed on the turnover needle base which can be turned over symmetrically, the sock head edge is automatically driven to be folded, the upper edge and the lower edge of the sock head are aligned and clung together, the folded sock head edge can be transferred to the semi-annular rotatable fixing base, and the sock head edge is fixed by the second compact fixing needle, so that wrinkles at the sock head can be avoided in the rotary sewing process, the smoothness of the sewing head is improved, the labor intensity of workers is reduced, and the working efficiency and the product percent of pass are improved;

the sock body is turned over through the liftable turn-over tube during turning over, the sock body is located in a tube cavity of the turn-over tube during turning over, the inner side of the sock body is gradually turned over from the sock head by the edge of the upper end of the turn-over tube, and the turned-over sock body is sleeved on the turn-over barrel, so that turning over is more thorough, and the turned-over sock body is prevented from collapsing at the sock head to influence sewing.

Drawings

FIG. 1 is a schematic view showing the construction of an embodiment of the toe anchor stitch system of the present invention;

fig. 2 and 3 are schematic structural views of the turnover needle seat in the embodiment;

FIG. 4 is a schematic structural diagram of a push-out structure in the present embodiment;

FIG. 5 is a schematic structural diagram of the turn-over cylinder in the present embodiment;

fig. 6 is a schematic structural view of the fixed needle holder in the present embodiment;

fig. 7 is a cross-sectional view of the fixing needle holder in the present embodiment;

fig. 8 is a schematic structural view of the stitch mechanism in this embodiment.

Reference numerals: 1. a turn-over mechanism; 10. turning over the needle seat; 101. a first semi-ring seat; 102. a second semi-ring seat; 11. a first fixing pin; 12. a turn-over drum; 120. an opening; 13. a cartridge holder; 14. a push-out structure; 140. pushing the plate; 141. a nose bar; 15. a rotating shaft; 16. a clamping hole; 17. a clamping block; 2. a fixing mechanism; 20. fixing the needle seat; 21. a second fixing pin; 22. taking off the sock structure; 220. a semi-annular plate; 2201. a through hole; 221. a lifting rod; 3. a head sewing mechanism; 30. an automatic sewing needle; 31. a compression member; 32. a wire cutter.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

the sock head fixing and sewing device shown in fig. 1 comprises a turn-over mechanism 1, a fixing mechanism 2, a sewing head mechanism 3 and a driving mechanism, wherein the turn-over mechanism 1 comprises a turn-over needle seat 10, a plurality of first fixing needles 11, a liftable turn-over barrel 12 and a barrel seat 13; the fixing mechanism 2 comprises a fixing needle seat 20 and a plurality of second fixing needles 21, and the stitching mechanism 3 comprises an automatic stitching needle 30, a pressing piece 31 and a thread cutter 32.

The driving mechanism comprises a plurality of servo motors and hydraulic cylinders, both coupled to the servo control system of the hosiery machine.

As shown in fig. 2 to 4, a plurality of first fixing needles 11 are circumferentially arranged on the turn-over needle seat 10 at equal intervals, each first fixing needle 11 is parallel to each other with a needle point facing downward, the turn-over needle seat 10 includes a first semi-ring seat 101 and a second semi-ring seat 102, the first semi-ring seat 101 and the second semi-ring seat 102 are rotatably connected, the first semi-ring seat 101 is horizontally and fixedly disposed, and the second semi-ring seat 102 can rotate downward 180 ° and is aligned and attached to the first semi-ring seat 101.

Second semi-ring seat 102 is equipped with revolution mechanic, revolution mechanic includes rotation axis 15 and card hole 16, rotation axis 15 locates the department of rotation of first semi-ring seat 101 and second semi-ring seat 102, and the axle center of rotation axis 15 is located the diameter of turn-over needle file 10, be equipped with fixture block 17 in the output pivot for driving the servo motor of second semi-ring seat, after the socks body turn-over is accomplished, turn-over needle file 10 takes the socks body to move until fixture block 17 on the servo motor gets into in the card hole 16 of second semi-ring seat 102, servo motor work this moment, drive second semi-ring seat 102 rotation 180 for the fifty percent discount of socks head edge is hugged closely together.

The turn-over needle base 10 is further provided with a push-out structure 14 for separating the sock body from the first fixing needle 11, the push-out structure 14 comprises two semicircular push plates 140, the two push plates 140 are respectively arranged on the lower surfaces of the first semicircular seat 101 and the second semicircular seat 102, the outer side of each push plate 140 is provided with a plurality of convex rods 141 which are circumferentially arranged at equal intervals, and the convex rods 141 are all embedded in gaps between the first fixing needles 11.

As shown in fig. 5, the side wall of the turnover tube 12 is provided with an opening 120 for the sock body to enter, the opening 120 forms a gap at the upper end of the turnover tube 12, a through cavity is arranged inside the tube seat 13, the turnover tube 12 is located in the through cavity, and the bottom of the tube seat 13 is provided with a hydraulic cylinder which is used for driving the turnover tube 12 to vertically move up and down along the through cavity.

The first half-ring seat 101 and the second half-ring seat 102 form between them a passage for the passage of the overturned cartridge 12, the diameter of which is greater than the diameter of the overturned cartridge 12.

As shown in fig. 6 and 7, the fixing mechanism 2 includes a fixing needle seat 20 and a plurality of second fixing needles 21, the plurality of second fixing needles 21 are circumferentially arranged on the fixing needle seat 20 at equal intervals, each second fixing needle 21 is parallel to each other and the needle point of the second fixing needle faces upward, the distance between the second fixing needles 21 is equal to the distance between the first fixing needles 11, the fixing needle seat 20 is fixedly connected with the upper end of the cartridge seat 13, and the cartridge seat 13 is also equipped with a servo motor for driving the cartridge seat 13 to drive the fixing needle seat 20 to rotate.

The sock taking-off structure 22 used for pushing out the socks finished by sewing is arranged on the fixed needle seat 20, the sock taking-off structure 22 comprises a semicircular plate 220 and a lifting rod 221 used for controlling the semicircular plate 220 to move up and down, the bottom of the lifting rod 221 is connected to a driver inside the barrel seat 13, a plurality of through holes 2201 which are circumferentially arranged at equal intervals are formed in the outer side wall of the semicircular plate 220, and the through holes 2201 are sleeved on the second fixed needle 21 one by one.

As shown in fig. 8, the toe sewing mechanism 3 includes a pressing member 31 for pressing the edge of the toe, an automatic toe sewing needle 30 and a thread trimmer 32 for sewing the toe, the pressing member 31 is arc-shaped, the radius of the outer side wall of the pressing member 31 is the same as the radius of the semicircle surrounded by the second fixing needles 21, the lower surface of the pressing member 31 is smooth, when the automatic toe sewing needle 30 works, the outer side wall of the pressing member 31 is tightly attached to the inner side wall of the semicircle surrounded by the second fixing needles 21, the lower surface of the pressing member 31 is tightly attached to the edge of the toe, the edge of the toe is prevented from opening, after the sewing is completed, the thread trimmer 32 automatically cuts the extended suture thread, and the next work is prepared.

The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.

Claims

1. The utility model provides a device is sewed up in sock head is fixed which characterized in that: comprises a turn-over mechanism (1), a fixing mechanism (2), a sewing mechanism (3) and a driving mechanism;

-the turnover mechanism (1) comprises a turnover needle seat (10), a plurality of first fixed needles (11), a liftable turnover cylinder (12) and a cylinder seat (13), wherein the first fixed needles (11) are circumferentially arranged on the turnover needle seat (10) at equal intervals, the turnover needle seat (10) comprises a first semi-ring seat (101) and a second semi-ring seat (102), and the first semi-ring seat (101) and the second semi-ring seat (102) are rotatably connected; an opening (120) for the sock body to enter is formed in the side wall of the turnover barrel (12), a notch is formed in the upper end of the turnover barrel (12) by the opening (120), a through cavity is formed in the barrel seat (13), and the turnover barrel (12) is located in the through cavity;

-the fixing mechanism (2) comprises a fixing needle seat (20) and a plurality of second fixing needles (21), the plurality of second fixing needles (21) being arranged circumferentially on the fixing needle seat (20) at equal intervals;

-said toe-stitching mechanism (3) comprises a presser (31) for pressing the edge of the toe, an automatic toe-stitching needle (30) for stitching the toe and a thread-cutter (32);

the needle point of the first fixing needle (11) faces downwards, the needle point of the second fixing needle (21) faces upwards, and the distance between the first fixing needles (11) is equal to the distance between the second fixing needles (21);

the driving mechanism comprises at least one servo motor and further comprises an air cylinder and/or a hydraulic cylinder, and the servo motor, the air cylinder and the hydraulic cylinder are coupled with a servo control system of the hosiery machine.

2. The toe anchor stitch arrangement as claimed in claim 1, wherein: the first semi-ring seat (101) is horizontally and fixedly arranged, and the second semi-ring seat (102) can rotate downwards by 180 degrees and is attached to the first semi-ring seat (101) in an aligned mode.

3. The toe anchor stitch arrangement as claimed in claim 2, wherein: the second semi-ring seat (102) is provided with a rotating structure, the rotating structure comprises a rotating shaft (15) and a clamping hole (16), the clamping hole (16) is provided with a clamping block (17), and the clamping block (17) is connected with an output rotating shaft of the servo motor.

4. The toe anchor stitch according to claim 2 or 3, wherein: the turn-over needle base (10) is provided with a push-out structure (14) for separating the sock body from the first fixing needle (11).

5. The toe anchor stitch arrangement as claimed in claim 4, wherein: the push-out structure (14) comprises two semicircular push plates (140), the two push plates (140) are respectively arranged on the lower surfaces of the first semicircular seat (101) and the second semicircular seat (102), a plurality of protruding rods (141) are arranged on the outer side of the push plates (140) at equal intervals in the circumferential direction, and the protruding rods (141) are embedded in gaps between the first fixing needles (11).

6. The toe anchor stitch arrangement as claimed in claim 1, wherein: the needle fixing base (20) is fixedly connected with the upper end of the barrel base (13), the barrel base (13) is connected to a servo motor used for driving the barrel base (13) to drive the needle fixing base (20) to rotate, and a hydraulic cylinder used for driving the turnover barrel (12) to lift is further arranged inside the barrel base (13).

7. The toe anchor stitch arrangement as claimed in claim 1, wherein: a passage for the passage of the turnover cylinder (12) is formed between the first semi-ring seat (101) and the second semi-ring seat (102), and the diameter of the passage is larger than that of the turnover cylinder (12).

8. The toe anchor stitch arrangement as claimed in claim 1, wherein: the fixed needle seat (20) is provided with a sock taking-off structure (22) for pushing out the socks finished with the head sewing.

9. The toe anchor stitch arrangement as claimed in claim 8, wherein: the sock taking-off structure (22) comprises a semi-annular plate (220) and a lifting rod (221) used for controlling the semi-annular plate (220) to move up and down, a plurality of through holes (2201) which are circumferentially arranged at equal intervals are formed in the outer side wall of the semi-annular plate (220), and the through holes (2201) are sleeved on the second fixing needle (21) one by one.

10. The toe anchor stitch arrangement as claimed in claim 1, wherein: the pressing piece (31) in the sewing mechanism (3) is arc-shaped, and when the automatic sewing needle (30) works, the outer side wall of the pressing piece (31) is tightly attached to the inner side wall of a semicircle surrounded by the second fixing needles (21).