CN109750413B - Composite needle for flat knitting machine - Google Patents
Composite needle for flat knitting machine Download PDFInfo
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- CN109750413B CN109750413B CN201910149940.XA CN201910149940A CN109750413B CN 109750413 B CN109750413 B CN 109750413B CN 201910149940 A CN201910149940 A CN 201910149940A CN 109750413 B CN109750413 B CN 109750413B
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- needle
- main
- sleeve
- main needle
- hook
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- 238000009940 knitting Methods 0.000 title claims abstract description 27
- 239000002131 composite material Substances 0.000 title description 6
- 150000001875 compounds Chemical class 0.000 claims abstract description 23
- 238000005452 bending Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
- D04B35/06—Sliding-tongue needles
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention discloses a compound needle for a flat knitting machine, which comprises a main needle and a needle sleeve sleeved on the main needle; the main needle is of an elongated shape, and the head part of the main needle is provided with a needle hook; the top end of the needle sleeve is provided with a vertex angle, one side of the needle sleeve facing the main needle is of an open slot structure, the front side and the rear side of the main needle are inwards recessed to form a concave surface, and the needle sleeve is clamped on the concave surface of the main needle through the open slot; the side of the main needle facing the needle sleeve and the side of the needle sleeve facing the main needle are provided with salient points, the other side of the main needle facing the needle sleeve is provided with a track surface, and the salient points are matched with the track surface, so that when the needle sleeve moves, the vertex angle moves from the accommodating groove of the main needle to the needle hook of the closed main needle. The compound needle has the advantages of small loop-off resistance, small loop-off stroke and high knitting speed; the knitting needles at the relative positions can be guided into the needle turning positions, the needle turning is reliable, and the action is simple and beneficial; the compound needle slides stably in the needle groove and the cloth cover is flat.
Description
Technical Field
The invention belongs to the technical field of knitting machinery, and particularly relates to a compound needle for a flat knitting machine.
Background
At present, the use of a compound needle on a flat knitting machine is more and more common, and better actions are completed through the mutual matching movement of all components in the compound needle, but the compound needle has a complex structure, so that the processing difficulty is improved to a certain extent, the rejection rate is increased, and the production cost is increased. The latch needle in the prior art is provided with a rotatable latch on a needle bar, and the operations of loop latch looping, loop releasing, loop collecting, loop returning, needle turning, needle receiving and the like are completed by matching with a main needle and yarns through opening and closing the latch, and because the latch rotation needs space, the main needle turns the needle to set a reed, the needle can complete the knitting functions by needing a larger up-down stroke, the opening operation of the latch is also completed by virtue of a hairbrush or yarns, and if the hairbrush is not good or the installation position is not in place, the defects of needle leakage and the like are easy to occur, and the requirements on the service life and the installation precision of the hairbrush are relatively high.
2018100430370 of the applicant discloses a compound needle for a flat knitting machine comprising a main needle and a needle sheath sleeved on the main needle; the main needle is divided into a head part, a middle part and a tail part, the head part is provided with a needle hook, a blocking end is arranged at the junction of the middle part and the tail part, the right side of the middle part of the main needle is provided with a slender limiting strip, and the limiting strip and the front end of the middle part form a U-shaped structure; the right side of the junction between the main needle head part and the middle part protrudes outwards to form a convex block, the left side of the main needle opposite to the convex block is bent inwards to form a concave avoidance groove, and the front side and the rear side of the convex block are provided with concave needle grooves; the needle sleeve is divided into a front section, a main body section and a tail section, and the front section and the tail section are of hollow structures; the needle sleeve is arranged in the middle of the main needle, the main section of the needle sleeve is arranged at the opening of the U-shaped structure of the main needle, the front section of the needle sleeve is provided with a sharp vertex angle, the rear direction of the vertex angle is inwards sunken to form a wiring groove, and the wiring groove extends backwards and protrudes outwards to form a limiting end; the middle part of the main needle is provided with a first track surface towards one side of the needle sleeve, one side of the main body section of the needle sleeve towards the main needle is provided with a second track surface, and when the needle sleeve moves along the main needle, the first track surface is matched with the second track surface, so that when the needle sleeve moves, the vertex angle moves from the needle groove position of the main needle to the needle hook of the closed main needle.
The composite needle with the structure can finish the actions of withdrawing, looping, turning over, connecting the needle and the like of the coil through the matching of the main needle and the needle sleeve, thereby being capable of replacing a needle tongue. However, the structure of the main needle is too complex, and the processing precision requirements on the main needle and the needle sleeve are high. Meanwhile, the vertex angle of the needle sleeve is inclined towards the main needle, so that when the needle hook is closed by the vertex angle, the width of the closed position is increased, and the passing loop is enlarged, so that the knitting effect is affected.
Disclosure of Invention
The invention aims to provide a compound needle in a flat knitting machine, which can replace a latch needle and a main needle to finish the actions of loop withdrawal, loop formation, needle turning, needle connection and the like of a loop and has a simple structure.
For this purpose, the technical scheme of the invention is as follows: a compound needle for a flat knitting machine comprises a main needle and a needle sleeve sleeved on the main needle; the main needle is of an elongated shape, the head is provided with a needle hook, the bending direction of the needle hook is defined as the right side, the opposite bending direction of the needle hook is defined as the left side, and the two planes of the main needle are defined as the front side and the rear side; the main needle is provided with a boss protruding outwards below the needle hook, the front side surface and the rear side surface of the boss are provided with concave accommodating grooves, and the left side of the main needle is inwards bent to form concave avoiding grooves;
the method is characterized in that: the top end of the needle sleeve is provided with a vertex angle which is of a hollow structure, one side of the needle sleeve, facing the main needle, is of an open slot structure, the front side surface and the rear side surface of the main needle are inwards recessed to form a concave surface, and the needle sleeve is clamped on the concave surface of the main needle through the open slot; the side of the main needle facing the needle sleeve and the side of the needle sleeve facing the main needle are provided with protruding points, the other side is provided with a track surface, and the protruding points are matched with the track surface, so that when the needle sleeve moves, the top angle moves from the accommodating groove of the main needle to the needle hook of the closed main needle.
Preferably, a track surface is arranged on one side of the main needle facing the needle sleeve, a salient point is arranged on one side of the needle sleeve facing the main needle, the salient point is matched with the track surface on the main needle, and when the needle sleeve moves along the main needle, the vertex angle moves from the accommodating groove of the main needle to the needle hook of the closed main needle.
Preferably, the track surface of the main needle is positioned below the boss, the track surface consists of a plurality of smooth concave-convex surfaces, a first notch and a second notch are arranged on the track surface, and the salient points on the needle sleeve move along the track surface; when the vertex angle of the needle sleeve is positioned in the accommodating groove of the main needle, the convex point is positioned at the second notch; when the top angle of the needle sleeve moves up to close the hook of the main needle, the convex point is positioned at the first notch.
Preferably, a second salient point is arranged at one side of the tail end of the needle sleeve, which faces the main needle, and the second salient point is abutted with the right side edge of the bottom of the main needle and moves up and down along the right side edge.
Preferably, a salient point is arranged on one side of the main needle, which faces the needle sleeve, a track surface is arranged on one side of the needle sleeve, which faces the main needle, the salient point is matched with the track surface, and when the needle sleeve moves along the main needle, the vertex angle moves from the accommodating groove of the main needle to the needle hook of the closed main needle.
Preferably, the middle sections of the two side walls of the needle sleeve open slot structure are provided with notches, and the upper ends and the lower ends of the two side walls form a first fastener and a second fastener; the concave surface on the front and back side of the main needle is composed of a first concave surface and a second concave surface which are arranged in a segmented mode, and the first fastener and the second fastener are respectively buckled on the first concave surface and the second concave surface of the main needle.
Preferably, the bending direction of the top angle of the needle sleeve top end is consistent with the inclined direction of the tip of the needle hook, namely the top angle is bent towards the side away from the main needle; the lower part of the top angle of the needle sleeve is recessed inwards to form a wiring groove, and the wiring groove extends downwards and protrudes outwards to form a limiting end.
Preferably, an elastic sheet is arranged on one side of the needle sleeve, which is away from the main needle, and the elastic sheet is in an elongated folded line shape.
Preferably, the needle sleeve consists of a middle sheet and two side sheets, and the vertex angle at the top end of the needle sleeve consists of two side sheets; two clamping strips extend outwards from one side of each of the two side sheets, which faces the main needle, and the corresponding clamping strips on the two side sheets form a first fastener and a second fastener.
Preferably, the middle piece and the two side pieces of the needle sleeve are assembled and formed after split processing, or the middle piece and the two side pieces are directly integrally processed and formed.
The first fastener and the second fastener on the needle sleeve are respectively positioned at the middle part and the tail end of the needle sleeve, the front side and the rear side of the position where the main needle track surface is positioned are inwards recessed to form a first concave surface, and the first fastener is tightly contacted with the first concave surfaces on the front side and the rear side of the main needle; the end of the main needle is provided with a blocking end, the front side and the rear side above the blocking end are inwards recessed to form a second concave surface, and the second fastener is tightly contacted with the second concave surfaces on the front side and the rear side of the main needle.
The top angle of the head of the needle sleeve is of a hollow structure, and the knitting needles at the relative positions can be guided to reach the needle turning positions, so that the needle turning action is realized, and the needle turning action is simple and beneficial; compared with the traditional latch needle, the bending direction of the top angle of the needle sleeve is consistent with the inclined direction of the tip of the needle hook, and the width of the closing part of the needle sleeve and the needle hook is reduced, so that the loop stripping resistance of a loop is reduced, the size of the stripped loop is reduced, the loop stripping stroke of the loop is reduced through the design of sliding opening and closing the needle hook of the needle sleeve, the weaving speed of a fabric is improved, and the production efficiency is improved.
An elastic sheet is arranged above the needle sleeve, the elastic sheet and the middle sheet of the needle sleeve are integrally formed, the elastic sheet is replaced by flexibility to be hard and not easy to break, under the action of the elastic sheet, the compound needle is always in a pressed state in a needle groove of a needle bed, the needle sleeve is prevented from tilting upwards, the needle sleeve has the function of back buckling at the needle turning and backing-out positions, and the needle sleeve slides to simultaneously act through pressing and back buckling, so that the compound needle stably slides in the needle groove.
The middle part and the afterbody of main needle are provided with the concave surface of indent, in order to reduce the frictional force that the needle cover slided on the main needle, dig the sky in the middle of the both sides wall of the open slot of needle cover for the upper and lower end of both sides wall forms the card strip of buckling in opposite directions, and the fastener is constituteed to the corresponding card strip of position, and card strip and the both sides piece integrated into one piece of needle cover, and the fastener is a part of needle cover, and the needle cover utilizes the cooperation of fastener and concave surface to overlap dress on the main needle, and the needle cover slides on the concave surface through the fastener to, makes the needle cover reciprocate relatively the main needle, thereby seals the needle hook.
In addition, the track contact between the needle sleeve and the main needle can be realized through point-surface matching or surface-surface matching. The convex points are arranged on the needle sleeve, the track surface is arranged on the main needle or the track surface is arranged on the needle sleeve, the convex points are arranged on the main needle, the principle is the same, the convex points move up and down along the track surface mainly through the convex points, the convex points are used for supporting the sliding of the needle sleeve in a pressed state, the contact area is reduced, the friction force is reduced, and the smooth sliding of the needle sleeve in a needle groove is facilitated. When the coil is withdrawn, the tail part of the needle sleeve contacts the blocking end of the main needle, and at the moment, the two side pieces of the head part of the needle sleeve are embedded into the accommodating groove of the main needle, so that the coil size is stabilized; the needle sleeve has the same width as the main needle, not only ensures the strength, but also ensures the stable sliding in the needle groove, is beneficial to the stable knitting of the fabric and has a flat cloth cover.
The needle sleeve slides on the main needle to realize the opening and closing of the needle hook, and the mutual matching motion between the needle sleeve and the main needle replaces the traditional actions of loop formation, loop disengagement, loop collection and loop withdrawal of the latch needle, so that the capturing of loop wires and the disengagement of loop wires are realized. When the needle hook is closed, the vertex angle of the needle sleeve head passes over the needle hook for a certain distance, so that the needle sleeve head is ensured not to collide with the tip of the needle hook, then the needle sleeve head moves downwards, the needle hook is prevented from deforming in a tip shape, the needle hook is wrapped by two side pieces of the needle sleeve vertex angle, the upper surface of the head is flush with the upper surface of the needle hook, namely, the upper surface of the vertex angle and the extrados surface of the needle hook form a smooth arc structure, the loop stripping resistance of a loop is reduced, the size of the loop is stabilized, and the fabric quality is improved.
Drawings
The following is a further detailed description of embodiments of the invention with reference to the drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the main needle of the present invention;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a schematic view of the structure of the needle hub of the present invention;
FIG. 5 is an internal schematic view of the needle hub of the present invention; (after removing one side sheet)
FIG. 6 is a schematic diagram of the state of the invention;
FIG. 7 is an enlarged view of a portion of FIG. 6;
(a) The needle is sleeved in the needle groove of the main body;
(b) Closing the needle sleeve to a main body needle hook state;
(c) The needle sleeve is in a needle turning state when passing through the main needle;
FIG. 8 is a state diagram of the knitting process of the present invention;
fig. 9 is a state diagram of the needle turning process of the present invention.
Marked in the figure as: the main needle 1, the needle hook 11, the boss 12, the avoidance groove 13, the accommodating groove 14, the track surface 15, the first notch 151, the second notch 152, the first concave surface 16, the second concave surface 17, the blocking end 18, the needle sleeve 2, the top angle 21, the wiring groove 22, the limiting end 23, the first convex point 24, the second convex point 25, the first fastening piece 26, the second fastening piece 27 and the elastic piece 28.
Detailed Description
Example 1
See the drawings. The compound needle of the embodiment comprises a main needle 1 and a needle sleeve 2 sleeved on the main needle; the main needle 1 is of an elongated shape, the head is provided with a needle hook 11, the bending direction of the needle hook is defined as the right side, the opposite bending direction of the needle hook is defined as the left side, and the two planes of the main needle are defined as the front side and the rear side; a boss 12 protruding outwards is arranged on the right side of the main needle below the needle hook, and a concave avoidance groove 13 is formed by inwards bending the left side of the main needle opposite to the boss, so that the size of the coil on the main needle in the sliding range is kept in a certain range, and the coil can move on the main needle conveniently; the front and back sides of the boss are provided with concave accommodating grooves 14 for accommodating the vertex angles of the needle sleeve.
The boss 12 extends downwards to form a track surface 15, the track surface 15 is composed of a plurality of smooth concave-convex surfaces, the track surface is fluctuated according to the movement requirement of the needle sleeve, the upper side of the track surface is bordered by the boss, a first notch 151 is arranged near the middle position, and a second notch 152 is arranged at the bottom of the track surface. The front and back sides of the position of the main needle track surface are inwards recessed to form a first concave surface 16, the thickness of the main needle at the first concave surface is reduced, the thickness of the main needle at the first concave surface is normal, the lower part of the first concave surface is provided with a blocking end 18, the position close to the blocking end is inwards recessed to form a second concave surface 17, and the thickness of the main needle at the second concave surface is reduced.
The needle sleeve 2 is composed of a middle sheet and two side sheets, wherein the middle sheet and the two side sheets can be assembled into the needle sleeve after split processing, and can also be directly integrally processed and formed, for example, the needle sleeve is directly milled by a lathe. The top end of the needle sleeve is provided with a sharp vertex angle 21, the vertex angle is a hollow structure formed by two side sheets, one side of the needle sleeve 2 facing the main needle is of an open slot structure, and the rest is of a solid structure; the bending direction of the vertex angle 21 at the top end of the needle sleeve is consistent with the inclined direction of the tip of the needle hook 11, namely the vertex angle is bent towards the side deviating from the main needle; the lower part of the top angle 21 of the needle sleeve is recessed inwards to form a wiring groove 22, and the wiring groove extends downwards and protrudes outwards to form a limiting end 23.
The needle sleeve is provided with protruding points towards one side of the main needle, the first protruding points 24 are located at the middle section of the needle sleeve and are abutted against the track surface on the main needle, the second protruding points 25 are located at the tail end of the needle sleeve and are abutted against the right side of the tail end of the main needle, the two protruding points are used for supporting the sliding of the needle sleeve in a pressed state, the contact area is reduced, the friction force is reduced, and the smooth sliding of the needle sleeve in a needle groove is facilitated.
The open slot of the needle sleeve is formed by two side pieces, or the part of the two side pieces exceeding the middle piece forms the open slot, the exceeding part of the two side pieces is two side walls of the open slot, in order to reduce the friction force generated by sliding the needle sleeve on the main needle, the middle of the two side walls of the open slot is hollowed, only the upper end and the lower end are left, the two side pieces extend outwards towards one side of the main needle respectively to form two clamping strips, and the two clamping strips on the same side piece are of opposite bending structures, so that the contact surface of the needle sleeve and the main needle is reduced, and the moving stability of the needle sleeve is ensured. The corresponding clamping strips on the two side pieces form a first fastener 26 and a second fastener 27, the first fastener 26 and the second fastener 27 are respectively buckled on the first concave surface 16 and the second concave surface 17 of the main needle, and the two fasteners slide on the two concave surfaces. The so-called clip strip is a part of the side pieces of the needle cover, and the first fastening member 26 and the second fastening member 27 are integrally formed with the side pieces of the needle cover.
The right side of the needle sleeve is provided with an elongated fold-line-shaped elastic sheet 28, one end of the elastic sheet is integrally formed with the middle sheet, the other end of the elastic sheet is connected with the middle sheet, the other end of the elastic sheet is suspended and lapped in a groove formed by two side sheets, one suspended end of the elastic sheet can move in the groove when being pressed to relieve pressure, the elastic sheet is replaced by flexibility to be hard and is not easy to break, the compound needle is always in a pressed state in the needle groove under the action of the elastic sheet, the upward tilting of the needle sleeve is prevented, the reverse buckling function is realized at the needle turning and loop withdrawing positions, and the needle sleeve slides through the simultaneous action of pressing and reverse buckling, so that knitting stably slides in the needle groove.
When the vertex angle 21 of the needle sleeve is positioned at the position of the accommodating groove 14 of the main needle, the first salient point 24 of the needle sleeve is positioned at the second notch 152 at the bottom of the track surface, and the distance between the main needle and the needle sleeve is the minimum value; when the needle sleeve needs to be connected, the vertex angle 21 of the needle sleeve moves upwards, the distance between the main needle 1 and the needle sleeve 2 becomes larger, when the needle hook 11 is closed, the vertex angle 21 of the head of the needle sleeve passes over the needle hook for a certain distance, the head of the needle sleeve is ensured not to collide with the tip of the needle hook, then moves downwards, the tip of the needle hook is prevented from deforming, the needle hook is wrapped by two side pieces of the vertex angle of the needle sleeve, the upper surface of the head of the needle sleeve is flush with the upper surface of the needle hook, namely, the upper surface of the vertex angle and the outer cambered surface of the needle hook form a smooth arc structure, and at the moment, the first salient point 24 of the needle sleeve is positioned at the first notch 151 of the track surface of the main needle.
As shown in fig. 8, when knitting is required, a stitch (i) is formed on the hook 11 of the main needle 1, the cam pushes the main needle to move upwards, the needle sleeve opens the hook, the main needle 1 slides downwards to the blocking end (ii) of the main needle, when knitting is required again, the main needle 1 moves upwards to hook new yarn, the old stitch is positioned above the head of the needle sleeve 2 (iii), the main needle 1 hooks the new yarn to move downwards, the needle sleeve 2 moves downwards to close the needle hook 11 (iv), the needle sleeve 2 moves downwards together with the main needle 1, the yarn hooked by the main needle 1 forms the new stitch, and the old stitch on the needle sleeve 2 breaks away from the needle hook (v) along with the downward movement of the main needle.
As shown in fig. 9, when the needle needs to be turned, the needle sleeve 2' on the composite needle B with the coil moves upwards to reach the needle turning position (S1), the main needle 1 and the needle sleeve 2 on the composite needle a with the coil move upwards, the main needle 1 passes through the coil and passes through the hollow structure of the head of the needle sleeve 2', after the needle hook tip of the main needle 1 exceeds the upper surface of the coil (S2), the needle sleeve 2' moves downwards to separate from the coil, the coil falls onto the main needle 1 of the composite needle a, and the needle turning action is completed (S3).
Example two
The compound needle comprises a main needle and a needle sleeve sleeved on the main needle; the right side of the main needle is provided with an outwards protruding boss, and the front side and the rear side of the boss are provided with inwards concave accommodating grooves for accommodating the vertex angles of the needle sleeve. The boss downwardly extending side is provided with protruding points, the needle sleeve is provided with a rugged track surface towards one side of the main needle, the track surface is composed of a plurality of smooth concave-convex surfaces, the protruding points on the main needle are in butt joint with the track surface on the needle sleeve, the main needle can be provided with an upper protruding point and a lower protruding point, the two protruding points are used for supporting the sliding of the needle sleeve under a pressed state, the contact area is reduced, the friction force is reduced, and the smooth sliding of the needle sleeve in a needle groove is facilitated. The track surface of the needle sleeve is positioned on one side of the middle piece facing the main needle, the track surface is rugged according to the movement requirement of the needle sleeve, and the vertex angle is ensured to move from the needle groove position of the main needle to the needle hook of the closed main needle or to move upwards to the needle turning position in the moving process of the needle sleeve. Other structures are similar to the embodiments and will not be described in detail.
Claims (8)
1. A compound needle for a flat knitting machine comprises a main needle and a needle sleeve sleeved on the main needle; the main needle is of an elongated shape, the head is provided with a needle hook, the bending direction of the needle hook is defined as the right side, the opposite bending direction of the needle hook is defined as the left side, and the two planes of the main needle are defined as the front side and the rear side; the main needle is provided with a boss protruding outwards below the needle hook, the front side surface and the rear side surface of the boss are provided with concave accommodating grooves, and the left side of the main needle is inwards bent to form concave avoiding grooves;
the method is characterized in that: the top end of the needle sleeve is provided with a vertex angle which is of a hollow structure, one side of the needle sleeve, facing the main needle, is of an open slot structure, the front side surface and the rear side surface of the main needle are inwards recessed to form a concave surface, and the needle sleeve is clamped on the concave surface of the main needle through the open slot; the side surface of the main needle facing the needle sleeve and one side surface of the needle sleeve facing the main needle are provided with salient points, the other side surface is provided with a track surface, and the salient points are matched with the track surface, so that when the needle sleeve moves, the vertex angle moves from the accommodating groove of the main needle to the needle hook of the closed main needle;
the middle sections of the two side walls of the needle sleeve open slot structure are provided with notches, and the upper ends and the lower ends of the two side walls form a first fastener and a second fastener; the concave surface on the front and back side of the main needle is composed of a first concave surface and a second concave surface which are arranged in a segmented mode, and the first fastener and the second fastener are respectively buckled on the first concave surface and the second concave surface of the main needle.
2. A compound needle for a flat knitting machine as claimed in claim 1, characterized by: the main needle is equipped with the orbit face towards needle cover one side, and needle cover is equipped with the bump towards main needle one side, and the bump cooperatees with the orbit face on the main needle, and when the needle cover moved along the main needle, the apex angle moved to the needle hook of closed main needle from the storage tank of main needle.
3. A compound needle for a flat knitting machine as claimed in claim 2, characterized by: the track surface of the main needle is positioned below the boss, the track surface consists of a plurality of smooth concave-convex surfaces, a first notch and a second notch are arranged on the track surface, and the convex point on the needle sleeve moves along the track surface; when the vertex angle of the needle sleeve is positioned in the accommodating groove of the main needle, the convex point is positioned at the second notch; when the top angle of the needle sleeve moves up to close the hook of the main needle, the convex point is positioned at the first notch.
4. A compound needle for a flat knitting machine as claimed in claim 2, characterized by: the needle sleeve is characterized in that a second salient point is arranged at one side, facing the main needle, of the tail end of the needle sleeve, and the second salient point is abutted to the right side edge of the bottom of the main needle and moves up and down along the right side edge.
5. A compound needle for a flat knitting machine as claimed in claim 1, characterized by: the main needle is equipped with the bump towards needle cover one side, and needle cover is equipped with the orbit face towards main needle one side, and the bump cooperatees with the orbit face, and when the needle cover moved along the main needle, the apex angle moved to the needle hook of closed main needle from the storage tank of main needle.
6. The compound needle for a flat knitting machine according to any one of claims 1 to 5, characterized in that: the bending direction of the top angle of the needle sleeve top end is consistent with the inclined direction of the tip of the needle hook, namely the top angle is bent towards the side deviating from the main needle; the lower part of the top angle of the needle sleeve is recessed inwards to form a wiring groove, and the wiring groove extends downwards and protrudes outwards to form a limiting end.
7. The compound needle for a flat knitting machine according to any one of claims 1 to 5, characterized in that: an elastic piece is arranged on one side of the needle sleeve, which is away from the main needle, and the elastic piece is in a slender folded shape.
8. The compound needle for a flat knitting machine according to any one of claims 1 to 5, characterized in that: the needle sleeve consists of a middle piece and two side pieces, and the top angle at the top end of the needle sleeve consists of two side pieces; two clamping strips extend outwards from one side of each of the two side sheets, which faces the main needle, and the corresponding clamping strips on the two side sheets form a first fastener and a second fastener.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910149940.XA CN109750413B (en) | 2019-02-28 | 2019-02-28 | Composite needle for flat knitting machine |
| EP20159208.6A EP3702505B1 (en) | 2019-02-28 | 2020-02-25 | Compound needle for flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910149940.XA CN109750413B (en) | 2019-02-28 | 2019-02-28 | Composite needle for flat knitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109750413A CN109750413A (en) | 2019-05-14 |
| CN109750413B true CN109750413B (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910149940.XA Active CN109750413B (en) | 2019-02-28 | 2019-02-28 | Composite needle for flat knitting machine |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3702505B1 (en) |
| CN (1) | CN109750413B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438655B (en) * | 2019-08-13 | 2024-04-02 | 宁波慈星股份有限公司 | Compound needle of flat knitting machine |
| CN111286863A (en) * | 2020-01-14 | 2020-06-16 | 冯加林 | Knitting needle |
| CN111501182B (en) * | 2020-05-07 | 2024-08-16 | 宁波慈星股份有限公司 | Dish mountain in flat knitting machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09158013A (en) * | 1995-12-12 | 1997-06-17 | Shima Seiki Mfg Ltd | Composite needle having stitch transfer function |
| JPH11152664A (en) * | 1997-05-01 | 1999-06-08 | Shima Seiki Mfg Ltd | Compound needle in flat knitting machine |
| JP2012132125A (en) * | 2010-12-22 | 2012-07-12 | Shima Seiki Mfg Ltd | Compound needle of flat-knitting machine |
| EP2767626A1 (en) * | 2013-07-04 | 2014-08-20 | Ningbo Cixing Co., Ltd. | Knitting needle for flat knitting machine |
| CN104928841A (en) * | 2015-07-07 | 2015-09-23 | 汕头市连兴实业有限公司 | Novel compound needle |
| CN108035063A (en) * | 2018-01-17 | 2018-05-15 | 宁波慈星股份有限公司 | A kind of compound needle for flat knitting machine |
| CN209759718U (en) * | 2019-02-28 | 2019-12-10 | 宁波慈星股份有限公司 | Composite needle for flat knitting machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1088820A (en) * | 1952-12-09 | 1955-03-10 | Needle for stitch forming trades such as knitters and hosiery looms | |
| FR2821093B1 (en) * | 2001-02-20 | 2003-05-09 | Steiger S A C Atel Const | SLIDING NEEDLE FOR KNITTING MACHINE |
| DE10152856C1 (en) * | 2001-03-14 | 2003-04-24 | Ulrich Hofmann | Machine for stitching |
| JP4348286B2 (en) * | 2004-12-09 | 2009-10-21 | 株式会社島精機製作所 | Flat knitting machine |
| JP5057674B2 (en) * | 2006-02-28 | 2012-10-24 | 株式会社島精機製作所 | Set-up device for flat knitting machine |
| JP5525344B2 (en) * | 2010-06-18 | 2014-06-18 | 株式会社島精機製作所 | Compound needle of flat knitting machine |
| JP5732316B2 (en) * | 2010-06-18 | 2015-06-10 | 株式会社島精機製作所 | Compound needle of flat knitting machine |
| CN203333962U (en) * | 2013-07-04 | 2013-12-11 | 宁波慈星股份有限公司 | Knitting needle used for flat knitting machine |
-
2019
- 2019-02-28 CN CN201910149940.XA patent/CN109750413B/en active Active
-
2020
- 2020-02-25 EP EP20159208.6A patent/EP3702505B1/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09158013A (en) * | 1995-12-12 | 1997-06-17 | Shima Seiki Mfg Ltd | Composite needle having stitch transfer function |
| JPH11152664A (en) * | 1997-05-01 | 1999-06-08 | Shima Seiki Mfg Ltd | Compound needle in flat knitting machine |
| JP2012132125A (en) * | 2010-12-22 | 2012-07-12 | Shima Seiki Mfg Ltd | Compound needle of flat-knitting machine |
| EP2767626A1 (en) * | 2013-07-04 | 2014-08-20 | Ningbo Cixing Co., Ltd. | Knitting needle for flat knitting machine |
| CN104928841A (en) * | 2015-07-07 | 2015-09-23 | 汕头市连兴实业有限公司 | Novel compound needle |
| CN108035063A (en) * | 2018-01-17 | 2018-05-15 | 宁波慈星股份有限公司 | A kind of compound needle for flat knitting machine |
| CN209759718U (en) * | 2019-02-28 | 2019-12-10 | 宁波慈星股份有限公司 | Composite needle for flat knitting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109750413A (en) | 2019-05-14 |
| EP3702505B1 (en) | 2023-08-09 |
| EP3702505C0 (en) | 2023-08-09 |
| EP3702505A1 (en) | 2020-09-02 |
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