CN216237540U - Normally closed sinker mounting structure capable of realizing symmetrical looping function - Google Patents

Abstract

The utility model relates to a normally closed sinker mounting structure capable of realizing a symmetrical looping function.A needle plate is provided with insert grooves, inserts are mounted in the insert grooves, and a needle groove for holding two knitting needle groups is formed between each adjacent insert and the insert; the sinker comprises a sheet-shaped sinker body, an elastic presser foot part, a power blade heel part and a yarn pressing part, wherein the elastic presser foot part, the power blade heel part and the yarn pressing part are connected with the sinker body; the front part of the inserting sheet extends upwards to form an upper protruding sheet, a sinker is arranged between each adjacent upper protruding sheet and the upper protruding sheet, thickness adjusting sheets are arranged between the sinker and the upper protruding sheets on two sides, a yarn pressing part of the sinker extends into a tooth opening at the front end part of the needle plate, and the two knitting needle groups are bilaterally symmetrical relative to the yarn pressing part. Two knitting needle groups in the same needle groove in the application are symmetrical about the yarn pressing part of the sinker, so that a bilateral symmetry looping system is formed, yarn stress is uniform during knitting, a coil cannot be twisted during looping, the fabric is smoother, and the quality can be greatly improved.

Description

Normally closed sinker mounting structure capable of realizing symmetrical looping function

Technical Field

The utility model relates to the technical field of computerized flat knitting machines, in particular to a normally closed sinker mounting structure capable of realizing a symmetrical looping function.

Background

When the computerized flat knitting machine is used for knitting, a large amount of yarns need to be filled, and in order to prevent floating, a yarn pressing device is usually arranged on a front needle bed and a rear needle bed to press the yarns so that the yarns do not float, for example, a patent application with the application publication number of CN112877886A filed by the applicant discloses a yarn pressing device of the computerized flat knitting machine, the structure of a sinker in the yarn pressing device is more optimized and simpler, but two sinker needle plates need to be independently configured, and are symmetrically arranged in the front and the rear above the needle bed of the computerized flat knitting machine, so that the manufacturing cost of the computerized flat knitting machine is increased, the technical requirements of installation and adjustment are increased, the computerized flat knitting machine is not suitable for mass production, and the existing sinker installation structure cannot well assist a knitting needle group to realize a symmetrical looping function, so that the improvement and optimization of the sinker installation structure are necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides a normally closed sinker mounting structure which is reasonable in structural design, low in mounting difficulty and capable of realizing a symmetrical looping function.

The technical scheme adopted by the utility model for solving the problems is as follows: a normally closed sinker mounting structure capable of realizing a symmetrical looping function comprises a needle plate and inserts, wherein a plurality of insert grooves are formed in the needle plate at equal intervals, the inserts are mounted in the insert grooves, and a needle groove for holding two knitting needle groups is formed between each adjacent insert and each insert; the sinker comprises a sheet-shaped sinker body, an elastic presser foot part, a power blade heel part and a yarn pressing part, wherein the elastic presser foot part, the power blade heel part and the yarn pressing part are connected with the sinker body; the method is characterized in that: the front portion of inserted sheet upwards extends has last lug, installs the sinker between every adjacent lug and the last lug to all set up the thickness trimmer between the lug on sinker and both sides, the yarn pressing portion of sinker stretches into in the tooth mouth of faller front end portion, and two knitting needle group are about yarn pressing portion bilateral symmetry.

Preferably, a spacer slot is further formed in the needle plate between every two adjacent insert slots, and a left knitting needle group spacer and a right knitting needle group spacer for separating two knitting needle groups in the same needle slot are inserted into the spacer slot; the front ends of each inserting piece slot and the spacing piece slot correspond to a tooth opening; the yarn pressing part extends into the tooth openings corresponding to the spacing piece slots.

Preferably, sinker head clearance adjusting sheets are arranged on two sides of the yarn pressing part and are installed in the tooth mouths where the yarn pressing part is located.

Preferably, each sinker is provided with a tooth mouth piece, the tooth mouth piece is positioned in a tooth mouth corresponding to the insert groove on one side, two tooth mouth insert pieces are arranged in the tooth mouth, and the tooth mouth insert pieces are positioned on two sides of the tooth mouth piece.

Preferably, the yarn pressing part is provided with a yarn pressing opening and a through hole for limiting, and the through hole for limiting is positioned at the rear position of the yarn pressing opening; the through hole for limiting is a long round hole; the needle plate is characterized in that a small hole is formed in the tooth mouth piece, a tooth mouth steel wire is installed at the front end of the needle plate, and the tooth mouth steel wire penetrates through the through hole and the small hole for limiting.

Preferably, the sinker head clearance adjusting sheet and the tooth mouth insert piece are of the same structure and are provided with a first positioning hole; the tooth opening is provided with a second positioning hole, the front part of the needle plate is provided with a first through groove, and the opening direction of the first through groove is vertical to the opening direction of the insert groove; a tooth mouth piece positioning steel wire is arranged in the first through groove, and the tooth mouth piece positioning steel wire penetrates through the first positioning hole and the second positioning hole.

Preferably, the sinker body is provided with three long round hole-shaped rotary positioning holes, and the upper convex sheet is provided with three first round holes and one second round hole; the first round holes and the second round holes of all the upper lugs form three rows of first round holes and one row of second round holes, a steel wire for centering the sinker is penetrated in each row of first round holes, and a steel wire for elastic support is penetrated in each row of second round holes; when the sinker is arranged between each adjacent upper lug and the upper lug, the three sinker centering steel wires respectively penetrate through the three rotary positioning holes in the sinker body, and the tail part of the elastic pressure foot part of the sinker is pressed on the elastic supporting steel wire.

Preferably, the upper lug is also provided with a third round hole, and a second sinker centering steel wire penetrates through the third round holes on all the upper lugs; five through holes for installation are formed in the thickness adjusting piece, the five through holes for installation respectively correspond to the three first round holes, the second round holes and the third round holes in the upper convex piece one by one, and the three steel wires for centering of the sinkers, the steel wire for supporting the elastic force and the steel wire for centering of the second sinker are arranged in a penetrating mode.

Preferably, the normally closed sinker mounting structure further comprises a separating piece, bayonets with equal intervals are arranged on two sides of the separating piece, clamping grooves are formed in the upper convex pieces, and the separating piece is mounted in the clamping grooves of all the upper convex pieces and separates every two adjacent upper convex pieces at equal intervals.

Compared with the prior art, the utility model has the following advantages and effects:

1. a spacer slot is arranged on the needle plate between every two adjacent insert slots, and a left knitting needle group spacer and a right knitting needle group spacer for separating two knitting needle groups in the same needle slot are inserted into the spacer slot; the yarn pressing part of the sinker extends into the tooth mouth corresponding to the slot of the spacer, and the two knitting needle groups are symmetrical about the yarn pressing part of the sinker, so that a bilaterally symmetrical looping system is formed, the yarn is uniformly stressed during knitting, and a coil cannot be twisted during looping, so that the fabric is smoother, the quality can be greatly improved, and the wearing comfort level of the fabric is improved;

2. the three rotating positioning holes are formed in the sinker, the sinker centering steel wires are arranged in the rotating positioning holes, the three sinker centering steel wires can determine a virtual axis, the sinker rotates around the virtual axis forwards and backwards under the action of power, the operation is more stable, the working mechanism of the sinker is changed, and the design and the transformation are more convenient; through the setting of the virtual axial lead, the difficult problem in the process production of the sinker is successfully solved, the requirement of the production process is greatly reduced, the functions of the flat knitting machine can be obviously and effectively improved under the condition of little cost increase, and meanwhile, the fabric quality can be effectively improved;

3. the installation of sinker adopts the installation mechanism of inserted sheet formula: the sinker needle bed is not additionally arranged for mounting the sinker, but the insert on the needle bed is directly improved, so that the front part of the front insert extends upwards to form an upper lug, the sinker is mounted by utilizing the upper lug, and the front insert and the upper lug are integrally formed by stamping, thus the dimensional stability and consistency of the product can be improved, the technical requirements of mounting and adjustment can be greatly reduced, and the batch production becomes possible;

4. the sinkers are mounted by adopting the inserting piece type mounting mechanism, so that the production and manufacturing difficulty of a common one-line ready-made clothes flat knitting machine is greatly reduced, the design requirement on rollers is greatly reduced, and the production cost of the two-needle plate one-line ready-made clothes flat knitting machine can be reduced;

5. the sinker is installed by adopting an inserting piece type installation mechanism, so that the production cost is reduced, the production difficulty is reduced, and meanwhile, the inserting piece and the needle plate form an effective and stable whole body, so that the production quality of the fabric can be greatly improved;

6. the sinker is installed by adopting an inserting piece type installation mechanism, and the stability of the production sizes of the sinker, the inserting piece and the like can be ensured, so that the consistency of the overall quality of the flat knitting machine can be ensured, and the maintenance cost can be lower.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic view of the expanded structure of fig. 1.

Fig. 3 is a partial structural view of the front end portion of fig. 1.

Fig. 4 is a schematic front view of the embodiment of the present invention.

FIG. 5 is a schematic perspective view of a partial needle board with left and right stitch group spacers mounted thereon in an embodiment of the present invention.

Fig. 6 is a schematic perspective view of a sinker in an embodiment of the present invention.

Fig. 7 is a perspective view of the front portion of an insert in an embodiment of the utility model.

FIG. 8 is a schematic view of a bilaterally symmetric loop forming system.

Description of reference numerals:

a left stitch group A; a right stitch group B; a first positioning hole a; a second positioning hole b;

a sinker 1; a needle plate 2; inserting pieces 3; a left and a right knitting needle group spacing piece 4; a steel wire 5 for elastic support; a sinker centering wire 6; a needle gap adjustment sheet 7; a thickness adjustment sheet 8; sinker head clearance adjustment sheet 9; a tooth mouth piece 10; a mouthpiece insert 11; a second sinker centering wire 12; a tooth mouth piece positioning steel wire 13; the first inserting piece positioning steel wire 14; the second inserting piece positioning steel wire 15; a separator 16; a tooth mouth steel wire 17;

a sinker body 101; an elastic presser foot part 102; a power blade heel 103; a yarn pressing section 104;

rotating the positioning hole 111; a yarn pressing port 141; a through hole 142 for limiting;

a tab slot 21; a spacer slot 22; a first through groove 23;

an upper tab 31;

a first circular hole 311; number two circular holes 312; a third round hole 313; a card slot 314;

mounting through-holes 81;

an aperture 1001.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

Examples are given.

See fig. 1-8.

The embodiment discloses a can realize normal close formula sinker mounting structure of symmetry lopping function, and it includes faller 2 and inserted sheet 3, and a plurality of inserted sheet grooves 21 are seted up to equidistant on faller 2, and inserted sheet 3 is installed in inserted sheet groove 21 and is fixed with two 15 of inserted sheet location steel wire 14 and inserted sheet location steel wire. Form the needle groove between every adjacent inserted sheet 3 and inserted sheet 3, place two knitting needle groups in the needle groove: the needle plate 2 between every two adjacent insertion grooves 21 of the left needle group A and the right needle group B is further provided with a spacer slot 22, and a left needle group spacer 4 and a right needle group spacer 4 which are used for separating the left needle group A and the right needle group B in the same needle groove are inserted into the spacer slot 22. The left and right needle group spacers 4 separate the left needle group A and the right needle group B so that they can be knitted independently without any interference of motion.

In this embodiment, the front end of the needle plate 2 is a tooth mouth end, the tooth mouth end is provided with a tooth mouth, and the front ends of each insert slot 21 and each spacer slot 22 correspond to one tooth mouth.

In this embodiment, the front portion of the inserting piece 3 extends upward to form an upper protruding piece 31, and a sinker 1 is installed between each adjacent upper protruding piece 31 and the upper protruding piece 31.

In the present embodiment, the sinker 1 includes a sinker body 101 in a sheet shape, and an elastic presser foot portion 102, a power blade heel portion 103, and a yarn pressing portion 104 connected to the sinker body 101. The elastic presser foot part 102 is connected to the lower surface of the sinker body 101, the power blade heel part 103 is connected to the upper side of the tail part of the sinker body 101, and the presser foot part 104 is connected to the head part of the sinker body 101. The thickness of the yarn pressing part 14 is smaller than that of the sinker body 11, and the thicknesses of the sinker body 11, the elastic presser foot part 12 and the power blade heel part 13 are consistent. The sinker body 11, the elastic presser foot part 12, the power blade heel part 13 and the yarn pressing part 14 are integrally formed into the sinker 1 by punching. The sinker body 11 is in an arc-shaped sheet shape, three long round hole-shaped rotary positioning holes 111 are formed in the sinker body 101, a yarn pressing opening 141 and a limiting through hole 142 are formed in the yarn pressing portion 104, the limiting through hole 142 is located behind the yarn pressing opening 141, and the limiting through hole 142 is a long round hole.

In this embodiment, the upper protruding piece 31 is provided with three first round holes 311, one second round hole 312 and one third round hole 313. The first round holes 311, the second round holes 312 and the third round holes 313 of all the upper protruding pieces 31 form three rows of first round holes 311, a row of second round holes 312 and a row of third round holes 313, a sinker centering steel wire 6 penetrates through each row of first round holes 311, an elastic supporting steel wire 5 penetrates through each row of second round holes 312, and a second sinker centering steel wire 12 penetrates through each row of third round holes 313.

In this embodiment, when the sinker 1 is mounted between each adjacent upper lug 31 and upper lug 31, three sinker centering wires 6 are respectively inserted into three rotation positioning holes 111 of the sinker body 101, and the three steel wires 6 for centering the three sinkers and three intersection points generated by the same cross section are not on the same straight line, the three intersection points determine a virtual circle, the centers of all the virtual circles form a virtual axis, the tail part of an elastic presser foot part 102 of the sinker 1 is pressed on the elastic supporting steel wire 5, the elastic presser foot part 102 is used for providing a reset force for the sinker 1 to rotate forwards around the virtual axis, a power blade heel part 103 is used for enabling the sinker 1 to rotate forwards and backwards around the virtual axis under the drive of power, a yarn pressing part 104 of the sinker 1 extends into a tooth mouth corresponding to the front end of the spacer slot 22, and the left needle group a and the right needle group B in the same needle groove are bilaterally symmetrical with respect to the presser 104.

In the embodiment, two knitting needle groups which move independently are arranged in each needle groove, and the two knitting needle groups are bilaterally symmetrical about the yarn pressing part 104 of the sinker 1, so that a bilaterally symmetrical loop forming system (see fig. 8) is formed, so that the yarn is uniformly stressed during weaving, and a coil cannot be twisted during loop forming, so that the fabric is smoother, the quality can be greatly improved, and the wearing comfort of the fabric is improved; the left and right knitting needle group symmetrical structure is adopted, when knitting and wearing the sweater integrally, the rib knitting structure of 1X1 can be realized, the difficult problems that the existing two needle plate one-line sweater forming machine in the market can only be manufactured by separating needles and the subsequent process is more complicated are solved, and the operating cost of customers can be effectively reduced.

In this embodiment, in order to make the left needle group a and the right needle group B bilaterally symmetrical with respect to the yarn pressing portion 104 of the sinker 1, knitting needle clearance adjusting pieces 7 are provided on both sides of each of the left and right needle group spacers 4, the knitting needle clearance adjusting pieces 7 are inserted into the spacer insertion grooves 22, and the tops thereof are not exposed from the spacer insertion grooves 22, and the knitting needle clearance adjusting pieces 7 can center the left and right needle group spacers 4; further, when the sinker 1 is mounted between each adjacent upper lug 31 and upper lug 31, thickness adjustment plates 8 are provided between the sinker 1 and both upper lugs 31, sinker head clearance adjustment plates 9 are provided on both sides of the presser 104 of the sinker 1, and the sinker head clearance adjustment plates 9 are mounted in the tooth openings where the presser 104 is located.

In the present embodiment, each sinker 1 is provided with a tooth piece 10, the tooth piece 10 is positioned in the tooth mouth corresponding to the insert groove 21 on one side, and two tooth mouth inserts 11 are arranged in the tooth mouth, and the tooth mouth inserts 11 are positioned on two sides of the tooth piece 10.

In this embodiment, the thickness adjustment sheet 8 is provided with five installation through holes 81, the five installation through holes 81 respectively correspond to the three first round holes 311, the second round holes 312 and the third round holes 313 on the upper convex sheet 31 one by one, and the three sinker centering steel wires 6, the one elastic support steel wire 5 and the second sinker centering steel wire 12 are inserted through the installation through holes.

In the embodiment, the sinker head clearance adjusting sheet 9 and the tooth mouth insert piece 11 have the same structure and are provided with a positioning hole A; the tooth mouth piece 10 is provided with a second positioning hole b, the front part of the needle plate 2 is provided with a first through groove 23, and the opening direction of the first through groove 23 is vertical to the opening direction of the insert groove 21; a tooth mouth piece positioning steel wire 13 is arranged in the first through groove 23, and the tooth mouth piece positioning steel wire 13 penetrates through the first positioning hole a and the second positioning hole b. The tooth mouth piece 10 is provided with a small hole 1001, the front end of the needle plate 2 is provided with a tooth mouth steel wire 17, and the tooth mouth steel wire 17 penetrates through the through hole 142 for limiting and the small hole 1001. The tooth mouth steel wire 17 can transversely prevent the yarn from entering gaps left after the needle plate, the tooth mouth piece and the sinker are installed.

In this embodiment, the upper protruding piece 31 is provided with the clamping grooves 314, a separating piece 16 is installed in the clamping grooves 314 of all the upper protruding pieces 31, two sides of the separating piece 16 are provided with clamping grooves with equal intervals, adjacent inserting pieces 3 are kept with equal intervals by using the clamping grooves, and a plurality of inserting pieces 3 can form a whole with each other through the separating piece 16, so that the inserting pieces 3 and the needle plate 2 can form a more stable whole, and the quality of products can be greatly improved in the knitting process.

The normally closed type sinker stated in the present embodiment means: the front end of the tooth mouth piece 10 is provided with a yarn stop position point (refer to the prior art), when the heel part 13 of the power piece is not acted by power, under the action of elastic force generated by the elastic foot pressing part 12, the sinker 1 rotates forwards to a position around a virtual axis, and the yarn pressing opening 141 is lower than the yarn stop position point, so that the normally closed state of the sinker is formed.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. All equivalent or simple changes in the structure, characteristics and principles of the utility model are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims (9)

1. A normally closed sinker mounting structure capable of realizing a symmetrical looping function comprises a needle plate (2) and inserting pieces (3), wherein a plurality of inserting piece grooves (21) are formed in the needle plate (2) at equal intervals, the inserting pieces (3) are mounted in the inserting piece grooves (21), and a needle groove for placing two knitting needle groups is formed between each adjacent inserting piece (3) and the inserting piece (3); the sinker (1) comprises a sheet-shaped sinker body (101), an elastic presser foot part (102), a power blade heel part (103) and a yarn pressing part (104), wherein the elastic presser foot part, the power blade heel part and the yarn pressing part are connected with the sinker body (101); the method is characterized in that: the front portion of inserted sheet (3) upwards extends and has last lug (31), installs sinker (1) between every adjacent lug (31) and last lug (31) to all set up thickness trimmer (8) on sinker (1) and both sides between lug (31), in yarn pressing portion (104) of sinker (1) stretched into the tooth mouth of faller (2) front end portion, and two knitting needle group about yarn pressing portion (104) bilateral symmetry.

2. The normally closed sinker mounting structure capable of realizing a symmetrical looping function according to claim 1, wherein: a spacer slot (22) is further formed in the needle plate (2) between every two adjacent insert slots (21), and a left knitting needle group spacer (4) and a right knitting needle group spacer (4) for separating two knitting needle groups in the same needle slot are inserted into the spacer slot (22); the front ends of each insert groove (21) and the spacer slots (22) correspond to a tooth opening; the yarn pressing part (104) extends into the tooth opening corresponding to the spacing piece slot (22).

3. The normally closed sinker mounting structure capable of realizing a symmetrical looping function according to claim 2, wherein: sinker head clearance adjusting sheets (9) are arranged on two sides of the yarn pressing part (104), and the sinker head clearance adjusting sheets (9) are installed in the tooth openings where the yarn pressing part (104) is located.

4. The normally closed sinker mounting structure capable of realizing a symmetrical looping function according to claim 3, wherein: each sinker (1) is provided with a tooth mouth piece (10), the tooth mouth piece (10) is positioned in a tooth mouth corresponding to the insert groove (21) on one side, two tooth mouth insert pieces (11) are arranged in the tooth mouth, and the tooth mouth insert pieces (11) are positioned on two sides of the tooth mouth piece (10).

5. The normally closed sinker mounting structure capable of realizing a symmetrical looping function according to claim 4, wherein: the yarn pressing part (104) is provided with a yarn pressing opening (141) and a through hole (142) for limiting, and the through hole (142) for limiting is positioned at the rear position of the yarn pressing opening (141); the through hole (142) for limiting is a long round hole; a small hole (1001) is formed in the tooth mouth piece (10), a tooth mouth steel wire (17) is installed at the front end of the needle plate (2), and the tooth mouth steel wire (17) penetrates through the limiting through hole (142) and the small hole (1001).

6. The normally closed sinker mounting structure capable of realizing a symmetrical looping function according to claim 4, wherein: the sinker head clearance adjusting sheet (9) and the tooth mouth insert piece (11) are identical in structure and are provided with a first positioning hole (a); the tooth mouth piece (10) is provided with a second positioning hole (b), the front part of the needle plate (2) is provided with a first through groove (23), and the opening direction of the first through groove (23) is vertical to the opening direction of the insert groove (21); a tooth mouth piece positioning steel wire (13) is arranged in the first through groove (23), and the tooth mouth piece positioning steel wire (13) penetrates through a first positioning hole (a) and a second positioning hole (b).

7. The normally closed sinker mounting structure capable of realizing a symmetrical looping function according to claim 1, wherein: the sinker body (101) is provided with three long round hole-shaped rotary positioning holes (111), and the upper lug (31) is provided with three first round holes (311) and one second round hole (312); the first round holes (311) and the second round holes (312) of all the upper lugs (31) form three rows of first round holes (311) and one row of second round holes (312), a steel wire (6) for sinker centering is arranged in each row of first round holes (311) in a penetrating manner, and a steel wire (5) for elastic support is arranged in each row of second round holes (312) in a penetrating manner; when the sinker (1) is installed between every two adjacent upper protruding pieces (31) and the upper protruding pieces (31), three sinker centering steel wires (6) respectively penetrate through three rotating positioning holes (111) in the sinker body (101), and the tail part of an elastic leg part (102) of the sinker (1) presses on the elastic supporting steel wire (5).

8. The normally closed type sinker mounting structure capable of realizing a symmetrical looping function according to claim 7, wherein: the upper lug (31) is also provided with a third round hole (313), and a second sinker centering steel wire (12) penetrates through the third round holes (313) on all the upper lugs (31); five through-holes (81) for installation have been seted up on thickness trimmer (8), five through-holes for installation (81) are the one-to-one corresponding relation with three round hole (311), a No. two round hole (312) and a No. three round hole (313) on last lug (31) respectively to supply three sinkers to center with steel wire (6), an elasticity support with steel wire (5) and a No. two sinkers to center with steel wire (12) and wear to establish.

9. The normally closed sinker mounting structure capable of realizing a symmetrical looping function according to claim 1, wherein: the normally closed sinker mounting structure further comprises a separating sheet (16), bayonets with equal intervals are arranged on two sides of the separating sheet (16), clamping grooves (314) are formed in the upper protruding sheets (31), and the separating sheet (16) is mounted in the clamping grooves (314) of all the upper protruding sheets (31) and separates every two adjacent upper protruding sheets (31) with equal intervals.

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