CN109023688B - Knitting mechanism and method for flat knitting machine - Google Patents
Knitting mechanism and method for flat knitting machine Download PDFInfo
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- CN109023688B CN109023688B CN201811035660.8A CN201811035660A CN109023688B CN 109023688 B CN109023688 B CN 109023688B CN 201811035660 A CN201811035660 A CN 201811035660A CN 109023688 B CN109023688 B CN 109023688B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/32—Cam systems or assemblies for operating knitting instruments
- D04B15/36—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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Abstract
The invention relates to a knitting mechanism and a method for a flat knitting machine, wherein the knitting mechanism comprises a cam base plate and a knitting needle component, at least one knitting unit is arranged on the cam base plate, the knitting unit and the knitting needle component are mutually matched for knitting, and the knitting unit comprises an upper left cam, a swinging cam, a needle turning cam, an upper right cam, a left stitch cam, a right stitch cam, a knitting cam, a dish cam, a guide cam angle, a non-woven pressing sheet and a needle selecting cam; the needle plate body is provided with a needle groove, and a combined knitting needle is arranged in the needle groove and comprises a needle setting, a long stitch, a short stitch and a needle selecting. The needle selecting triangle has the advantages of simple structure design, easy processing and accurate needle selecting position; compared with the existing bottom plate device, the bottom plate device has the advantages that the structure is simplified, the weight is reduced, only one needle walking butt is arranged on a long stitch, the structure is simple, five basic actions of knitting, lifting eyes, turning over needles, connecting needles and non-knitting can be performed, and a specific needle walking knitting method is provided.
Description
Technical Field
The invention relates to a computerized flat knitting machine, in particular to a knitting mechanism and a knitting method for the computerized flat knitting machine.
Background
The bottom plate structure on the head of the computerized flat knitting machine can make the knitting needle complete five basic actions of knitting, eye lifting, needle turning, needle receiving and non-knitting. The needle selection is required before knitting, so that different knitting, hanging or non-knitting states are executed, and a common needle selection and needle running mode is realized through various triangular motions installed on a needle selection mother board, for example, a Chinese patent with application publication number of CN108085856A and application publication date of 2018.05.09: in the bottom plate device of the double-system computerized flat knitting machine, needle selection is realized by the lower protection mountain, the needle pushing triangle and the needle selector, the needle pushing triangle is of a sinking design, a control mechanism for controlling the needle pushing triangle is arranged on the back of the bottom plate of the flat knitting machine, and the long protection mountain matched with the lower protection mountain is also arranged on the bottom plate of the flat knitting machine, so that the structure of the whole bottom plate of the flat knitting machine is complex, the number of triangle parts is large, the installation is inconvenient, the mechanical faults such as firing pins are easy to occur, and the knitting efficiency is affected.
The Chinese patent also discloses an invention patent with application publication number 106222866A and application publication date 2016.12.14: the utility model provides a two degree mesh needle pressing panel, the needle pressing module in this application is including weaving needle selection preforming, needle selection triangle and needle pressing strip, utilizes needle pressing module and needle selector cooperation to realize selecting the needle, has simplified the triangle device on the panel greatly in this application, simple structure, and triangle spare part is few, but its needle selection triangle exists structural design complicacy, and processing is wasted time, easily appears drawbacks such as firing pin when returning the needle.
Therefore, there is a need for structural optimization and improvement of existing selector mechanisms.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a knitting mechanism for a flat knitting machine, which has the advantages of simple and reasonable structural design, simple needle selection, stable operation and compact bottom plate structure, and a knitting method.
The invention solves the problems by adopting the following technical scheme: the utility model provides a flat knitting machine is with mechanism of weaving, includes triangle bottom plate and knitting needle subassembly, sets up at least one braiding unit on the triangle bottom plate, and braiding unit and knitting needle subassembly mutually support and weave, its characterized in that: the knitting unit comprises an upper left mountain guard, a swinging cam, a needle turning cam, an upper right mountain guard, a left stitch cam, a right stitch cam, a knitting cam, a dish mountain, a guide mountain angle, a non-woven pressing sheet and a needle selecting cam;
the left stitch cam and the right stitch cam are arranged in a pair of splayed sliding grooves of the cam mother board in a splayed shape; the left upper guard mountain and the right upper guard mountain are symmetrically arranged left and right and are respectively positioned at two sides of the left stitch triangle and the right stitch triangle; the stitch cam, the knitting cam and the dish mountain are arranged from top to bottom and are positioned between the left stitch cam and the right stitch cam; the swing triangle is arranged on the needle turning triangle; the needle selecting cams are arranged on the cam base plate in pairs, namely a left needle selecting cam and a right needle selecting cam, and the guide mountain angle is arranged at the bottom edge of the cam base plate; the left needle selecting cam and the right needle selecting cam are respectively arranged at two sides of the bottoms of the left stitch cam and the right stitch cam, and a left needle connecting pressing sheet, a hanging stitch pressing sheet and a right needle connecting pressing sheet are sequentially arranged between the left needle selecting cam and the right needle selecting cam from left to right; the non-woven pressing sheet is arranged between the left needle selecting triangle and the right needle selecting triangle and is positioned below the left needle connecting pressing sheet, the eye hanging pressing sheet and the right needle connecting pressing sheet; a left needle selector is arranged below the left needle selecting triangle, and a right needle selector is arranged below the right needle selecting triangle;
the knitting needle component comprises a needle plate body, a row of equidistant needle grooves are formed in the needle plate body, combined knitting needles are placed in the needle grooves, each combined knitting needle comprises a needle shed, a long stitch, a short stitch and a selected stitch, and the needle shed is connected with the long stitch; the short stitch is arranged on the lower part of the long stitch and is attached to the long stitch; the selecting stitch is arranged on the short stitch and is attached to the short stitch; the front end of the short stitch is provided with a butt; the long stitch is provided with a needle walking butt.
Preferably, the needle selecting triangle comprises a triangle body, wherein a needle inserting groove with a horn mouth is formed in the triangle body; the inner side surface of the needle inlet groove is a first needle moving surface, and the small opening end of the needle inlet groove is communicated with the first needle moving groove; the triangular body is provided with a protruding platform, the protruding platform branches the first needle moving groove into two needle moving grooves, namely a second needle moving groove and a third needle moving groove; the second needle moving groove is communicated and connected with a fourth needle moving groove; the bottom surface of the fourth needle moving groove is higher than the bottom surface of the second needle moving groove, and the fourth needle moving groove and the second needle moving groove are transited through a first needle moving inclined plane; a fifth needle-moving groove is formed in the protruding platform; the needle can go out of the triangular body from the third needle-moving groove, the fourth needle-moving groove or the fifth needle-moving groove; one side surface of the triangular body is a needle moving edge which can enable a needle to enter a third needle moving groove along the side surface; an inner side surface of the second needle moving groove is a second needle moving surface, and the top of the inner side surface is intersected with one end of the fifth needle moving groove; an inner side surface of the third needle moving groove is a third needle moving surface; the triangular body is provided with a second needle moving inclined plane, and the third needle moving groove is positioned between the second needle moving inclined plane and the protruding platform.
Preferably, a V-shaped notch is arranged at one side of the triangular body, and the V-shaped notch is close to the fourth needle groove. When the needle selecting cam is arranged on the bottom plate of the flat knitting machine, the V-shaped notch is designed, so that the needle selecting cam can be prevented from being bumped when the stitch cam moves downwards.
Preferably, the triangular body is provided with a pin shaft hole and a threaded hole.
Preferably, the needle feeding groove, the second needle moving surface, the first needle moving inclined surface and the fourth needle moving groove are sequentially connected to form a transfusion needle selecting needle channel. When the eye is hung, the needle track is as follows: the needle enters the triangle body, then enters the needle inlet groove, the needle selector does not select the needle, the needle moves to the first needle moving inclined plane along the second needle moving plane, the first needle moving inclined plane gradually presses the needle into the needle plate, and then the needle moves out of the triangle body along the linear moving track through the fourth needle moving groove.
Preferably, the needle feeding groove and the first needle feeding groove are sequentially connected to form a knitting needle selecting channel. During knitting, the needle track is: the needle enters the triangle body, then enters the needle inlet groove, enters the first needle outlet groove along the linear travelling track, and is pressed into the needle plate by the needle selector, and then exits the triangle body along the linear travelling track.
Preferably, the second needle moving inclined plane forms a non-woven needle selecting needle channel. When not knitting, the needle track is: the needle walks along the second needle walking inclined plane, and the needle is gradually pressed into the needle plate and then walks out of the triangular body along the straight line walking track.
Preferably, the needle moving edge, the third needle moving surface, the first needle moving groove and the needle feeding groove are sequentially connected to form a needle returning channel. During needle return, the needle track is: after the warp knitting unit works, the needle enters the third needle feeding groove along the needle feeding edge, returns to the original position along the third needle feeding surface, the needle selector does not select the needle, and then sequentially goes out of the triangular body along the first needle feeding groove and the needle feeding groove.
Preferably, the needle moving edge and the third needle moving groove form a non-woven needle returning channel. When the needle is not woven back, the needle track is: after the warp knitting unit works, the needle enters the third needle moving groove along the needle moving edge, the needle selector selects the needle, and the needle moves out of the triangular body along the linear moving track.
Preferably, the rear end of the short stitch is provided with a guide raised head; the guide triangle is a long trapezoid block, the guide grooves parallel to each other are formed in the guide triangle along the length direction, the guide grooves are A-state position guide grooves and H-state position guide grooves from top to bottom, and the bottom surface of the guide triangle is a B-state position guide surface.
When the short stitch is in A, H state under the action of the needle selecting triangle, the guide raised heads are respectively clamped into the A state position guide groove and the H state position guide groove, and when the short stitch is in B state position, the B state position guide faces the guide raised heads for guiding.
In order to solve the technical problems, the invention also provides another technical scheme: a knitting method of a knitting mechanism for a flat knitting machine is characterized by comprising the steps of: including a stitch lifting process, a knitting process, a needle turning process, a needle receiving process and a non-knitting process.
The needle track of the eye hanging procedure is from left to right: firstly, a butt of a short stitch walks a stitch path between a left upper guard mountain and a left stitch cam, a left needle receiving pressing sheet does not press a needle, the left stitch cam is at a zero position, and correspondingly, the butt of a long stitch walks the stitch path between the left upper guard mountain and the left stitch cam, and then enters the stitch path on a knitting cam along the left stitch cam; then, the needle is pressed by the eye-lifting pressing sheet, the butt and the needle-moving butt are pressed into the needle groove, the needle moves along the linear track, then the right needle-receiving pressing sheet does not press the needle, the butt and the needle-moving butt are ejected, the needle-moving butt moves down along the right stitch cam and then moves out of the cam bottom plate along the linear track through the needle path between the right upper guard cam and the right needle-selecting cam, and the butt moves back through the needle path of the right needle-selecting cam.
The needle track of the knitting process is from left to right: firstly, a butt of a short stitch walks a knitting needle selecting needle track of a left needle selecting cam, a left stitch cam is at a zero position, a walking butt of a long stitch walks a needle track between a left upper guard mountain and the left needle selecting cam, then enters the needle track on the knitting cam along the left stitch cam, and then the walking butt moves downwards along a right stitch cam and then walks out of a cam bottom plate along a linear track; the butt of the short stitch goes out from the knitting needle selecting needle path of the left needle selecting triangle and enters the needle returning needle path of the right needle selecting triangle along the linear track.
The needle track of the needle turning procedure is from left to right: firstly, a butt of a short stitch walks a knitting needle selecting needle track of a left needle selecting cam, a left stitch cam moves to the lowest position, a right stitch cam is at a zero position, a butt of a long stitch walks a needle track between a left upper guard mountain and the left needle selecting cam, then walks upwards along the left stitch cam, enters a needle turning needle track between a swinging cam and a needle turning cam to finish turning, then the butt enters the needle track on the knitting cam, and walks out of a cam bottom plate along a straight line track after downwards moving along the right stitch cam; the butt of the short stitch goes out from the knitting needle selecting needle path of the left needle selecting triangle and enters the needle returning needle path of the right needle selecting triangle along the linear track.
The needle track of the needle connecting procedure is from left to right: firstly, a needle butt of a short stitch walks a needle track between a left needle selecting triangle, a left stitch triangle and a right stitch triangle are at zero positions, a left needle receiving pressing sheet and a right needle receiving pressing sheet are used for pressing a needle, the needle hanging pressing sheet does not press the needle, the needle butt walks a needle track between a left upper guard mountain and the left needle selecting triangle along a linear track, and then the needle butt enters the needle track on a dish mountain to finish needle receiving, and then the needle butt continuously walks out of a triangle bottom plate along the linear track; the butt of the short stitch goes out from the needle path of the left needle selecting triangle for hanging the eye needle selecting and enters the needle returning path of the right needle selecting triangle along the linear track.
The needle track of the non-weaving process is from left to right: firstly, a butt of a short stitch walks away from a non-woven needle selecting needle channel of a left needle selecting triangle, after walks away from the non-woven needle selecting needle channel, a non-woven pressing sheet presses a needle, a needle plate does not go out, and then the butt enters a non-woven needle returning needle channel of a right needle selecting triangle along a linear track; correspondingly, the walking butt always moves along the linear track until the walking butt leaves the triangle bottom plate.
Compared with the prior art, the invention has the following advantages and effects: 1. the needle selecting triangle structure is simple and reasonable in design and easy to process, and three needle selecting positions of eye hanging, knitting and non-knitting are realized; 2. compared with the existing bottom plate device, the bottom plate structure of the flat knitting machine provided with the needle selecting triangle is simpler, the weight is reduced, and the functions are not reduced; 3. the long stitch in the knitting needle component is only provided with one needle walking butt, the structure is simple, and five basic actions of knitting, eye lifting, needle turning, needle connection and non-knitting can be performed; 4. the lower part of the short stitch is provided with a guide raised head, the lower part of the triangular bottom plate is provided with a guide triangle for guiding the short stitch, so that the short stitch in three states operates stably, the operation precision is high, and the knitting quality is improved.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention.
Fig. 2 is a schematic view of the structure of a knitting needle assembly according to the embodiment of the invention.
Fig. 3 is a schematic perspective view of a needle selecting triangle according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a front view of a needle selecting triangle according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a needle track when a needle selecting triangle lifts a needle for selecting a mesh in the embodiment of the invention.
Fig. 6 is a schematic diagram of a needle path during needle selection in knitting on a needle selection cam in an embodiment of the present invention.
FIG. 7 is a schematic diagram of the trace of the needle trace when selecting a non-woven needle on the needle cam in an embodiment of the invention.
Fig. 8 is a schematic diagram of a needle track during needle selection by needle returning on a needle selection cam in an embodiment of the present invention.
FIG. 9 is a schematic diagram of the trace of the needle when selecting a non-woven return needle on the needle selecting cam according to an embodiment of the present invention.
Fig. 10 is a schematic diagram showing the matching structure of the short stitch and the guide triangle in three status positions according to the embodiment of the present invention.
FIG. 11 is a schematic diagram of a trace of a transfusion needle in an embodiment of the present invention.
Fig. 12 is a schematic diagram of a knitting trace in an embodiment of the present invention.
Fig. 13 is a schematic view of a needle-turning track in an embodiment of the present invention.
Fig. 14 is a schematic view of a needle trace of a needle according to an embodiment of the present invention.
FIG. 15 is a schematic drawing of a nonwoven trace in accordance with an embodiment of the present invention.
Reference numerals illustrate: needle selecting triangle 01, triangle body 1, needle feeding groove 2, first needle moving surface 2-1, first needle moving groove 3, second needle moving groove 4, second needle moving surface 4-1, third needle moving groove 5, third needle moving surface 5-1, fourth needle moving groove 6, first needle moving inclined plane 7, fifth needle moving groove 8, protruding platform 81, second needle moving inclined plane 9, needle moving edge 10, V-shaped notch 11, pin shaft hole 12, threaded hole 13, needle selecting area P, hanging needle selecting needle channel C1, knitting needle selecting needle channel C2, non-knitting needle selecting needle channel C3, needle returning needle channel C4, non-knitting needle returning needle channel C5, triangle mother board 14 the left upper guard 15, the right upper guard 16, the left stitch cam 17, the right stitch cam 18, the swing cam 19, the knitting cam 20, the dish mountain 21, the left needle selector 24, the right needle selector 25, the left needle receiving presser 26, the hanging stitch presser 27, the right needle receiving presser 28, the needle turning cam 29, the nonwoven presser 30, the guide cam angle 31, the a-state position guide groove 311, the H-state position guide groove 312, the B-state position guide surface 313, the needle plate body 32, the shed needle 33, the long needle foot 34, the short needle foot 35, the guide raised head 351, the selector stitch 36, the left needle selecting cam 011, the right needle selecting cam 012, the butt a, the butt B.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and not limited to the following examples.
Examples
See fig. 1-15.
The knitting mechanism for the flat knitting machine of the embodiment comprises a triangle bottom plate 14 and a knitting needle assembly, wherein at least one knitting unit is arranged on the triangle bottom plate 14, and the knitting unit and the knitting needle assembly are mutually matched for knitting.
In this embodiment, the knitting unit includes an upper left stitch cam 15, a swing cam 19, a stitch cam 29, an upper right stitch cam 16, a left stitch cam 17, a right stitch cam 18, a knitting cam 20, a dish cam 21, a guide cam 31, a nonwoven sheet 30, and a needle selecting cam 01.
In this embodiment, the left stitch cam 17 and the right stitch cam 18 are disposed in a splayed manner in a pair of splayed sliding grooves of the cam mother board 14, and the left upper guard 15 and the right upper guard 16 are symmetrically disposed on both sides of the left stitch cam 17 and the right stitch cam 18 respectively. The stitch cam 29, the knitting cam 20 and the dish cam 21 are arranged from top to bottom and are located between the left stitch cam 17 and the right stitch cam 18. The swing cam 19 is mounted on the needle turning cam 29.
In this embodiment, the needle selection cams 01 are mounted on the cam base plate 14 in two pairs, namely, the left needle selection cam 011 and the right needle selection cam 012, and the guide cam 31 is mounted at the bottom side of the cam base plate 14. The left needle selecting cam 011 and the right needle selecting cam 012 are respectively arranged at two sides of the bottoms of the left stitch cam 17 and the right stitch cam 18, and a left needle connecting pressing sheet 26, a hanging eye pressing sheet 27 and a right needle connecting pressing sheet 28 are sequentially arranged between the left needle selecting cam 011 and the right needle selecting cam 012 from left to right. The nonwoven sheet 30 is disposed between the left needle selection cam 011 and the right needle selection cam 012, and is positioned below the left needle bonding sheet 26, the eye-hanging sheet 27, and the right needle bonding sheet 28. A left selector 24 is provided below the left selector cam 011, and a right selector 25 is provided below the right selector cam 012.
In this embodiment, the knitting needle assembly includes a needle plate body 32, a row of equidistant needle grooves are arranged on the needle plate body 32, a combined knitting needle is placed in the needle grooves, the combined knitting needle includes a needle housing 33, a long needle foot 34, a short stitch 35 and a selecting stitch 36, and the needle housing 33 is engaged with the long needle foot 34; the short stitch 35 is arranged on the lower part of the long stitch 34 and is attached with the long stitch; the select pin 36 is disposed over and in engagement with the short pin 35.
In this embodiment, a butt b is provided on the long stitch 34. The short stitch 35 has a butt a at the front end and a guide projection 351 at the rear end. The guide triangle 31 is a long trapezoid block, and is provided with guide grooves parallel to each other along the length direction, namely an A-state position guide groove 311 and an H-state position guide groove 312 from top to bottom, and the bottom surface of the guide triangle 31 is a B-state position guide surface 313. When the short stitch 34 is in A, H state under the action of the needle selecting cam 01, the guide convex heads 351 are respectively and correspondingly blocked into the A state position guide groove 311 and the H state position guide groove 312, and when the short stitch 35 is in B state, the B state position guide surface 313 guides the guide convex heads.
In the embodiment, the needle selecting triangle 01 comprises a triangle body 1, and a needle inserting groove 2 with a horn mouth is formed in the triangle body 1; one inner side surface of the needle inlet groove 2 is a first needle moving surface 2-1, and the small opening end of the needle inlet groove 2 is communicated and connected with a first needle moving groove 3.
In this embodiment, a protruding platform 81 is disposed on the triangle body 1, and the protruding platform 81 branches the first needle-moving slot 3 into two needle-moving slots, namely, the second needle-moving slot 4 and the third needle-moving slot 5. The second needle-moving groove 4 is communicated and connected with a fourth needle-moving groove 6. The bottom surface of the fourth needle moving groove 6 is higher than the bottom surface of the second needle moving groove 4, and the two are transited through a first needle moving inclined plane 7.
In this embodiment, the protruding platform 81 is provided with a fifth needle-moving slot 8, and the needle can move out of the triangle body 1 from the third needle-moving slot 5, the fourth needle-moving slot 6 or the fifth needle-moving slot 8. A side of the triangle body 1 is a needle guiding edge 10 which enables the needle to enter the third needle guiding groove 5 along the side. An inner side surface of the second needle moving groove 4 is a second needle moving surface 4-1, and the top of the inner side surface is intersected with one end of the fifth needle moving groove 8. An inner side surface of the third needle moving groove 5 is a third needle moving surface 5-1. The triangle body 1 is provided with a second needle moving inclined plane 9, and the third needle moving groove 5 is positioned between the second needle moving inclined plane 9 and the convex platform 81.
In this embodiment, a V-shaped notch 11 is disposed on one side of the triangle body 1, and the V-shaped notch 11 is close to the fourth needle slot 6. When the needle selecting cam is arranged on the bottom plate of the flat knitting machine, the V-shaped notch 11 is designed, so that the needle selecting cam can be prevented from being bumped when the stitch cam moves downwards. The triangular body 1 is provided with a pin shaft hole 12 and a threaded hole 13.
As shown in fig. 5, the needle feeding groove 2, the second needle moving surface 4-1, the first needle moving inclined surface 7 and the fourth needle moving groove 6 are sequentially connected to form a hanging-mesh needle selecting needle channel C1. When the eye is hung, the needle track is as follows: the needle enters the triangle body 1 and then enters the needle inlet groove 2, the needle selector does not select the needle at the needle selecting area P, the needle moves onto the first needle moving inclined plane 7 along the second needle moving plane 4-1, the needle is gradually pressed into the needle plate by the first needle moving inclined plane 7, and then the needle moves out of the triangle body 1 along the straight line moving track through the fourth needle moving groove 6.
As shown in fig. 6, the needle feeding groove 2 and the first needle feeding groove 3 are sequentially connected to form a knitting needle selecting needle channel C2. During knitting, the needle track is: the needle enters the triangle body 1, then enters the needle inlet groove 2, enters the first needle outlet groove 3 along the straight line travelling track, the needle selecting device selects the needle at the needle selecting area P, the needle is pressed into the needle plate, and the needle exits the triangle body 1 along the straight line.
As shown in fig. 7, the second run bevel 9 forms a non-woven selector track C3. When not knitting, the needle track is: the needle is moved along the second needle moving inclined plane 9, is gradually pressed into the needle plate, and then is moved out of the triangle body 1 along the straight line moving track.
As shown in fig. 8, the needle feeding edge 10, the third needle feeding surface 5-1, the first needle feeding groove 3 and the needle feeding groove 2 are sequentially connected to form a needle returning channel C4. During needle return, the needle track is: after the warp knitting unit works, after the needles enter the third needle moving groove 5 along the needle moving edge 10, the needles return along the third needle moving surface 5-1, the needle selecting device does not select the needles at the needle selecting area P, and then the needles sequentially move out of the triangular body 1 along the first needle moving groove 3 and the needle inserting groove 2.
As shown in fig. 9, the needle passing edge 10 and the third needle passing groove 5 form a non-knitting needle return path C5. When the needle is not woven back, the needle track is: after the warp knitting unit works, the needle enters the third needle moving groove 5 along the needle moving edge 10, the needle selector selects the needle at the needle selecting area P, and the needle moves out of the triangular body 1 along the linear moving track.
The embodiment also provides a knitting method of the knitting mechanism for the flat knitting machine, which comprises a lifting procedure, a knitting procedure, a needle turning procedure, a needle receiving procedure and a non-knitting procedure.
As shown in fig. 11, the needle track of the eye-lifting process is from left to right: firstly, the butt a of the short stitch 35 walks the stitch selecting needle path C1 of the left needle selecting cam 011, the left needle connecting pressing sheet 26 does not press the needle, the left stitch cam 17 is at the zero position, correspondingly, the butt b of the long stitch 34 walks the needle path between the left upper guard 15 and the left needle selecting cam 011, and then enters the needle path on the knitting cam 20 along the left stitch cam 17; then, the eye-hanging presser 27 presses the needle, the butt a and the butt b are pressed into the needle groove, the straight line path is traced, then the right needle-receiving presser 28 does not press the needle, the butt a and the butt b are ejected, the butt b moves down along the right stitch cam 18, passes through the needle path between the right upper needle guard 16 and the right needle selection cam 012 along the straight line path, and then goes out of the cam base 14, and the butt a moves back to the needle path C4 of the right needle selection cam 012.
As shown in fig. 12, the trace of the knitting process is from left to right: firstly, the butt a of the short stitch 35 walks the knitting needle selecting needle track C2 of the left needle selecting cam 011, the left stitch cam 17 is at the zero position, the butt b of the long stitch 34 walks the needle track between the left upper guard 15 and the left needle selecting cam 011, then enters the needle track on the knitting cam 20 along the left stitch cam 17, then the butt b moves down along the right stitch cam 18 and walks out of the cam bottom plate 14 along the linear track; the butt a of the short stitch 35 is let out from the knitting needle selecting stitch C2 of the left needle selecting cam 011 and enters the return stitch C4 of the right needle selecting cam 012 along a straight-line trajectory.
As shown in fig. 13, the needle track of the needle turning process is from left to right: firstly, the butt a of the short stitch 35 walks the knitting needle selecting needle track C2 of the left needle selecting cam 011, the left stitch cam 17 moves to the lowest position, the right stitch cam 18 is at the zero position, the butt b of the long stitch 34 walks the needle track between the left upper guard 15 and the left needle selecting cam 011, then walks upwards along the left stitch cam 17, enters the needle turning needle track between the swinging cam 17 and the needle turning cam 18 to finish needle turning, then the butt b walks the needle track on the knitting cam 20, and walks out of the cam bottom plate 14 along the straight line track after downwards moving along the right stitch cam 18; the butt a of the short stitch 35 is let out from the knitting needle selecting stitch C2 of the left needle selecting cam 011 and enters the return stitch C4 of the right needle selecting cam 012 along a straight-line trajectory.
As shown in fig. 14, the needle track of the needle joining process is from left to right: firstly, the butt a of the short stitch 35 walks through a needle track C1 of a left needle selecting cam 011, the left stitch cam 17 and the right stitch cam 18 are in zero positions, the left needle pressing piece 26 and the right needle pressing piece 28 are used for pressing pressure needles, the needle pressing piece 27 does not press needles, the butt b walks through a needle track between the left upper guard 15 and the left needle selecting cam 011 along a linear track, and then the butt b continuously walks out of the cam base plate 14 along the linear track after the needle is connected through the needle track on the disc mountain 20; the butt a of the short stitch 35 comes out from the stitch selecting stitch C1 of the left stitch cam 011 and enters the return stitch C4 of the right stitch cam 012 along a straight line trajectory.
As shown in fig. 15, the trace of the needle in the nonwoven step is from left to right: firstly, the butt a of the short stitch 35 walks the non-woven needle selecting needle channel C3 of the left needle selecting cam 011, after walks out from the non-woven needle selecting needle channel C3, the non-woven pressing sheet 30 presses the needle, the needle plate does not go out, and then the butt a enters the non-woven needle returning needle channel C5 of the right needle selecting cam 012 along a straight line track; accordingly, the butt b always moves along the straight trajectory until it leaves the cam base plate 14.
The triangle bottom plate structure in the embodiment is simpler, the triangles such as reserved mountain protection, long mountain protection, lower mountain protection, push needle triangle, homing guide block and the like are not arranged, the functions are not reduced, and five basic actions of knitting, eye lifting, needle turning, needle receiving and non-knitting can be performed.
In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present invention. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a flat knitting machine is with mechanism of weaving, includes triangle bottom plate (14) and knitting needle subassembly, sets up at least one and weaves the unit on triangle bottom plate (14), and the unit of weaving and knitting needle subassembly mutually support and weave, its characterized in that: the knitting unit comprises an upper left guard (15), a swinging cam (19), a needle turning cam (29), an upper right guard (16), a left stitch cam (17), a right stitch cam (18), a knitting cam (20), a dish cam (21), a guiding cam (31), a non-knitting sheet (30) and a needle selecting cam (01);
the left stitch cam (17) and the right stitch cam (18) are arranged in a pair of splayed sliding grooves of the cam base plate (14) in a splayed shape; the left upper guard (15) and the right upper guard (16) are symmetrically arranged left and right and are respectively positioned at two sides of the left stitch cam (17) and the right stitch cam (18); the stitch cam (29), the knitting cam (20) and the dish mountain (21) are arranged from top to bottom and are positioned between the left stitch cam (17) and the right stitch cam (18); the swinging triangle (19) is arranged on the needle turning triangle (29); the needle selecting cams (01) are arranged on the cam base plate (14) in pairs, namely a left needle selecting cam (011) and a right needle selecting cam (012), and the guide cam (31) is arranged at the bottom edge of the cam base plate (14); the left needle selecting triangle (011) and the right needle selecting triangle (012) are respectively arranged at two sides of the bottoms of the left stitch triangle (17) and the right stitch triangle (18), and a left needle connecting pressing sheet (26), a hanging needle pressing sheet (27) and a right needle connecting pressing sheet (28) are sequentially arranged between the left needle selecting triangle (011) and the right needle selecting triangle (012) from left to right; the non-woven pressing sheet (30) is arranged between the left needle selecting triangle (011) and the right needle selecting triangle (012) and is positioned below the left needle pressing sheet (26), the eye hanging pressing sheet (27) and the right needle pressing sheet (28); a left needle selector (24) is arranged below the left needle selection triangle (011), and a right needle selector (25) is arranged below the right needle selection triangle (012);
the knitting needle assembly comprises a needle plate body (32), a row of equidistant needle grooves are formed in the needle plate body (32), combined knitting needles are placed in the needle grooves, each combined knitting needle comprises a latch needle (33), a long needle foot (34), a short stitch (35) and a selecting stitch (36), and the latch needles (33) are connected with the long needle foot (34); the short stitch (35) is arranged on the upper surface of the lower part of the long stitch (34) and is attached to the long stitch; the selecting stitch (36) is arranged on the short stitch (35) and is attached to the short stitch; the front end of the short stitch (35) is provided with a butt (a); the long stitch (34) is provided with a walking butt (b).
2. The knitting mechanism for a flat knitting machine according to claim 1, characterized in that: the needle selecting triangle (01) comprises a triangle body (1), wherein a needle inserting groove (2) with a horn mouth is formed in the triangle body (1); one inner side surface of the needle inlet groove (2) is a first needle moving surface (2-1), and the small opening end of the needle inlet groove (2) is communicated with a first needle moving groove (3); a protruding platform (81) is arranged on the triangular body (1), the protruding platform (81) branches the first needle-moving groove (3) into two needle-moving grooves, namely a second needle-moving groove (4) and a third needle-moving groove (5); the second needle moving groove (4) is communicated and connected with a fourth needle moving groove (6); the bottom surface of the fourth needle moving groove (6) is higher than the bottom surface of the second needle moving groove (4), and the bottom surface of the fourth needle moving groove and the bottom surface of the second needle moving groove are in transition through a first needle moving inclined surface (7); a fifth needle-moving groove (8) is formed in the protruding platform (81); the needle can go out of the triangle body (1) from the third needle-moving groove (5), the fourth needle-moving groove (6) or the fifth needle-moving groove (8); a side surface of the triangular body (1) is a needle moving edge (10) which can enable a needle to enter the third needle moving groove (5) along the side surface; an inner side surface of the second needle moving groove (4) is a second needle moving surface (4-1), and the top of the inner side surface is intersected with one end of the fifth needle moving groove (8); one inner side surface of the third needle moving groove (5) is a third needle moving surface (5-1); the triangular body (1) is provided with a second needle moving inclined plane (9), and the third needle moving groove (5) is positioned between the second needle moving inclined plane (9) and the protruding platform (81).
3. The knitting mechanism for a flat knitting machine according to claim 2, characterized in that: one side of the triangular body (1) is provided with a V-shaped notch (11), and the V-shaped notch (11) is close to the fourth needle running groove (6); the triangular body (1) is provided with a pin shaft hole (12) and a threaded hole (13).
4. The knitting mechanism for a flat knitting machine according to claim 2, characterized in that: the needle feeding groove (2), the second needle moving surface (4-1), the first needle moving inclined surface (7) and the fourth needle moving groove (6) are sequentially connected to form a hanging-mesh needle selecting needle channel (C1).
5. The knitting mechanism for a flat knitting machine according to claim 2, characterized in that: the needle feeding groove (2) and the first needle feeding groove (3) are sequentially connected to form a knitting needle selecting needle channel (C2).
6. The knitting mechanism for a flat knitting machine according to claim 2, characterized in that: the second needle moving inclined plane (9) forms a non-woven needle selecting needle channel (C3).
7. The knitting mechanism for a flat knitting machine according to claim 2, characterized in that: the needle moving edge (10), the third needle moving surface (5-1), the first needle moving groove (3) and the needle feeding groove (2) are sequentially connected to form a needle returning needle channel (C4).
8. The knitting mechanism for a flat knitting machine according to claim 2, characterized in that: the needle moving edge (10) and the third needle moving groove (5) form a non-woven needle returning channel (C5).
9. The knitting mechanism for a flat knitting machine according to claim 1, characterized in that: the rear end of the short stitch (35) is provided with a guide raised head (351); the guide triangle (31) is in a long trapezoid block shape, guide grooves parallel to each other are formed in the guide triangle along the length direction, the guide grooves are respectively an A-state position guide groove (311) and an H-state position guide groove (312) from top to bottom, and the bottom surface of the guide triangle (31) is a B-state position guide surface (313).
10. A knitting method of a knitting mechanism for a flat knitting machine as claimed in any of claims 1 to 9, characterized by: comprises a lifting procedure, a knitting procedure, a needle turning procedure, a needle receiving procedure and a non-knitting procedure;
the needle track of the eye hanging procedure is from left to right: firstly, a needle butt (a) of a short stitch (35) walks a lifting eye needle selecting needle path (C1) of a left needle selecting cam (011), a left needle receiving pressing sheet (26) does not press a needle, a left stitch cam (17) is at a zero position, correspondingly, a needle butt (b) of a long stitch (34) walks a needle path between a left upper guard mountain (15) and the left needle selecting cam (011), and then enters a needle path on a knitting cam (20) along the left stitch cam (17); then, the eye-lifting pressing sheet (27) presses the needle, the butt (a) and the butt (b) are pressed into the needle groove, the straight track is adopted, then the right needle-connecting pressing sheet (28) does not press the needle, the butt (a) and the butt (b) are ejected, the butt (b) moves downwards along the right stitch cam (18) and then passes through the needle track between the right upper guard cam (16) and the right needle selecting cam (012) along the straight track to go out of the cam bottom plate (14), and the butt (a) moves back to the needle track (C4) of the right needle selecting cam (012);
the needle track of the knitting process is from left to right: firstly, a butt (a) of a short stitch (35) walks a knitting needle selecting needle path (C2) of a left needle selecting cam (011), a left stitch cam (17) is at a zero position, a butt (b) of a long stitch (34) walks a needle path between a left upper guard (15) and the left needle selecting cam (011), then enters a needle path on a knitting cam (20) along the left stitch cam (17), and then the butt (b) moves downwards along a right stitch cam (18) and then walks out of a cam bottom plate (14) along a linear track; the butt (a) of the short stitch (35) is led out from the knitting needle selecting needle path (C2) of the left needle selecting cam (011) and enters the needle returning needle path (C4) of the right needle selecting cam (012) along the straight line track;
the needle track of the needle turning procedure is from left to right: firstly, a butt (a) of a short stitch (35) walks a knitting needle selecting needle channel (C2) of a left needle selecting cam (011), a left stitch cam (17) moves to the lowest position, a right stitch cam (18) is at a zero position, a butt (b) of a long stitch (34) walks a needle channel between a left upper guard (15) and the left needle selecting cam (011), then walks upwards along the left stitch cam (17), enters a needle turning needle channel between a swinging cam (19) and a needle turning cam (29) to finish needle turning, then the butt (b) enters a needle channel on a knitting cam (20), and walks out of a cam bottom plate (14) along a linear track after downwards moving along the right stitch cam (18); the butt (a) of the short stitch (35) is led out from the knitting needle selecting needle path (C2) of the left needle selecting cam (011) and enters the needle returning needle path (C4) of the right needle selecting cam (012) along the straight line track;
the needle track of the needle connecting procedure is from left to right: firstly, a butt (a) of a short stitch (35) walks a lifting eye needle selecting needle channel (C1) of a left needle selecting triangle (011), a left stitch triangle (17) and a right stitch triangle (18) are at zero positions, a left needle connecting pressing sheet (26) and a right needle connecting pressing sheet (28) are used for pressing pressure-equalizing needles, a lifting eye pressing sheet (27) does not press needles, a butt (b) walks a needle channel between a left upper guard mountain (15) and the left needle selecting triangle (011) along a linear track, and then enters a needle connecting needle channel on a dish mountain (21) to finish needle connection, and then continues to walk out of a triangle bottom plate (14) along the linear track; the butt (a) of the short stitch (35) is led out from the hanging needle selecting needle channel (C1) of the left needle selecting triangle (011) and enters the needle returning channel (C4) of the right needle selecting triangle (012) along the straight line track;
the needle track of the non-weaving process is from left to right: firstly, a butt (a) of a short stitch (35) walks a non-woven needle selecting needle channel (C3) of a left needle selecting triangle (011), after walks out of the non-woven needle selecting needle channel (C3), a non-woven pressing sheet (30) presses a needle, a needle plate does not go out, and then the butt (a) enters a non-woven needle returning needle channel (C5) of a right needle selecting triangle (012) along a linear track; correspondingly, the walking butt (b) always moves along a linear track until the walking butt leaves the triangle bottom plate (14).
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| CN201811035660.8A CN109023688B (en) | 2018-09-06 | 2018-09-06 | Knitting mechanism and method for flat knitting machine |
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| CN109518350B (en) * | 2019-01-09 | 2023-09-22 | 宁波博日机械有限公司 | Single system flat knitting machine bottom plate |
| CN115029854B (en) * | 2022-07-05 | 2023-07-18 | 桐乡市强隆机械有限公司 | Bottom plate of computerized flat knitting machine and knitting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2939639A1 (en) * | 1978-10-03 | 1980-04-24 | Bentley Alemannia Ltd | FLAT KNITTING MACHINE |
| CN201501969U (en) * | 2009-09-21 | 2010-06-09 | 江苏盛天实业有限公司 | Needle movement control mechanism of computerized flat knitting machine |
| CN101654837A (en) * | 2009-09-24 | 2010-02-24 | 钱福海 | Computer flat knitting machine |
| CN201634839U (en) * | 2010-03-12 | 2010-11-17 | 宁波市裕人针织机械有限公司 | Knitting triangular system of flat knitting machine |
| CN104233616B (en) * | 2014-09-02 | 2016-05-18 | 江苏国茂纺织科技有限公司 | The knitting mechanism of computer plain flat knitter |
| CN107326519A (en) * | 2017-08-17 | 2017-11-07 | 桐乡市强隆机械有限公司 | A kind of Computerized flat knitting machine mountain plate |
| CN207552596U (en) * | 2017-08-17 | 2018-06-29 | 桐乡市强隆机械有限公司 | Computerized flat knitting machine bottom plate |
| CN207775475U (en) * | 2018-01-18 | 2018-08-28 | 汕头市连兴实业有限公司 | A kind of three system mountain plate of straight-bar machines |
| CN208980875U (en) * | 2018-09-06 | 2019-06-14 | 桐乡市强隆机械有限公司 | A kind of straight-bar machines knitting mechanism |
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