CN112481791A - Knitting mechanism of flat knitting machine - Google Patents
Knitting mechanism of flat knitting machine Download PDFInfo
- Publication number
- CN112481791A CN112481791A CN202011399313.0A CN202011399313A CN112481791A CN 112481791 A CN112481791 A CN 112481791A CN 202011399313 A CN202011399313 A CN 202011399313A CN 112481791 A CN112481791 A CN 112481791A
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- Prior art keywords
- needle
- piece
- knitting
- thick
- groove
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- 238000009940 knitting Methods 0.000 title claims abstract description 92
- 238000003780 insertion Methods 0.000 claims abstract description 32
- 230000037431 insertion Effects 0.000 claims abstract description 32
- 230000000694 effects Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009963 fulling Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 239000004744 fabric Substances 0.000 abstract description 5
- 238000009941 weaving Methods 0.000 abstract 1
- 239000011295 pitch Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 3
- 240000005002 Erythronium dens canis Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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Classifications
-
- 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
- D04B15/10—Needle beds
-
- 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
- D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
- D04B15/68—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used
- D04B15/70—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used in flat-bed knitting machines
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention discloses a knitting mechanism of a flat knitting machine, which comprises two needle plates arranged at the front side and the rear side of a rack in a splayed manner, wherein a plurality of needle grooves are formed in the needle plates along the length direction, a knitting needle capable of completing loop forming knitting, tuck knitting and loop transfer knitting and a set of needle selection assembly are accommodated in each needle groove, each needle groove is formed by matching a thick insertion piece and a thin insertion piece, the thick insertion pieces are clamped on the needle plates, the thick insertion pieces and the thin insertion pieces are alternately arranged in the length direction of the needle plates, the front end of each thick insertion piece is provided with a fixed knockover piece, a movable knockover piece is accommodated between the front ends of two adjacent thick insertion pieces, and the movable knockover pieces are positioned on the extension lines of the thin insertion pieces. The thick inserting pieces and the thin inserting pieces are alternately arranged and matched to form the needle grooves, so that the needle pitch is reduced, the loop arc is shortened, the tightness of the fabric is increased, and the problems of long loop arc and small tightness of the fabric existing in the existing full-forming weaving method of the flat knitting machine for one-time ready-made clothes are solved.
Description
Technical Field
The invention belongs to the technical field of flat knitting machine component devices, and particularly relates to a knitting mechanism of a flat knitting machine.
Background
The needle grooves on the needle plate of the flat knitting machine are formed by matching uniform insertion pieces clamped on the needle plate, and the intervals of all the adjacent needle grooves are the same, namely the needle pitches of the knitting needles are the same. The traditional full-forming knitting method for simultaneously knitting the clothes body, the sleeves and the collar at one time has two knitting methods, one method is to adopt a common two-needle-plate flat knitting machine to knit a ready-made clothes at a separate needle, and the needle pitch of the separate needle knitting method is much larger than the standard needle pitch of a common flat knitting machine, so that the arc lines among the coils are lengthened, the coil density is small, the fabric compactness is poor, the requirements on the elasticity and the strength of yarns are high, and the yarns are easy to break in the knitting process. The other type is that a four-needle-plate flat knitting machine is adopted, two needle plates are arranged above the original needle plates, so that a knitting needle is arranged up and down, in the knitting process, a knitting needle hook on the upper needle plate cannot be close to a cylinder opening at the front end of the needle plates like a knitting needle hook on the lower needle plate, so that the knitting needle on the upper needle plate is relatively difficult to form a loop, a knitting needle with a special structure is needed, the knitting needle structure is relatively complex, the manufacturing difficulty of the knitting needle is high, the cost is high, and the requirements on the elasticity and the strength of the yarn are also relatively high.
Disclosure of Invention
The invention aims to solve the problems of long loop arc, small fabric tightness or complex knitting mechanism structure and high manufacturing difficulty existing in the existing full-forming knitting method of the flat knitting machine for disposable ready-made clothes, and provides a knitting mechanism of a double-needle-plate flat knitting machine with small needle pitch and flexible knitting.
Therefore, the invention adopts the following technical scheme: a knitting mechanism of a flat knitting machine comprises two needle plates arranged on the front side and the rear side of a rack in a splayed mode, wherein a plurality of needle grooves are formed in the needle plates in the length direction, one knitting needle capable of completing loop knitting, tuck knitting and loop transferring knitting and one set of needle selecting assembly are contained in each needle groove, and the knitting mechanism is characterized in that the needle grooves are formed by matching thick insertion pieces and thin insertion pieces, the thick insertion pieces are clamped on the needle plates, the thick insertion pieces and the thin insertion pieces are alternately arranged in the length direction of the needle plates, the front end of each thick insertion piece is provided with a fixed loop releasing piece, a movable loop releasing piece is contained between the front ends of two adjacent thick insertion pieces, and the movable loop releasing pieces are located on extension lines of the thin insertion pieces.
In addition to the above technical solutions, the present invention also includes the following technical features.
The left side wall and the right side wall of the thick insertion piece are provided with grooves, and the knitting needle part is accommodated in the grooves, so that the width of the needle groove can be reduced, the space between the knitting needles on the two sides of the thick insertion piece can be reduced, and the needle pitch can be uniformly reduced.
Thick inserted sheet front end be provided with bellied supporting part that makes progress, form the activity between the supporting part of two adjacent thick inserted sheets and take off a circle piece holding chamber, the activity is taken off a circle the piece and is held and locate this activity and take off a circle piece holding chamber, supports the activity through thick inserted sheet and takes off a circle the piece, makes thin inserted sheet need not reach the faller front end before, can reduce the length of thin inserted sheet to reduce the thickness of thin inserted sheet, reach the interval that reduces two adjacent thick inserted sheets, realize littleer gauge needle.
The movable knocking-over piece body is provided with a long slotted hole, a shaft supported by the supporting part is arranged in the long slotted hole in a penetrating way, and the movable knocking-over piece can transversely move back and forth and rotate by taking the shaft as a rotating center through the shaft; the top side of the movable knocking-over piece is provided with a driving piece heel, and the rear side is provided with a guide piece heel; the driving piece heel extends out of the top side of the knocking-over piece accommodating cavity and is matched with a sinker mechanism of the flat knitting machine; the guide piece heel is provided with a linear guide section corresponding to linear motion and an arc guide section corresponding to rotary motion, two limiting guide shafts supported by the supporting part are arranged in the movable knocking-over piece accommodating cavity, and the two limiting guide shafts are positioned on two sides of the guide piece heel and clamp the guide piece heel between the two limiting guide shafts.
The guide plate heel comprises two linear guide sections and an arc guide section, the arc guide section is positioned between the two linear guide sections, the side edge of the linear guide section is parallel to the length direction of the long slotted hole, the sinker cam of the sinker mechanism drives the driving plate heel to move through the transverse movement of the sinker mechanism, and the movable knocking-over plate is driven by the driving plate heel to move back and forth or rotate under the limiting guide of the two limiting guide shafts to the guide plate heel. The movable knocking-over piece can perform a ring pressing function on the opposite side needle plate when moving forwards.
The needle selection assembly comprises a long needle, a fork needle and a needle selection piece, the front end of the long needle is movably connected with the knitting needle through a lug and groove matching structure, an upward convex needle butt is formed on the arch back of the long needle, and the extended needle groove is matched with a track groove which is arranged above the needle plate and consists of a control triangle on the machine head to control the sliding of the knitting needle in the needle groove; the lower side of the front end of the fork needle is pressed against the arched back of the long-foot needle, an upward convex needle butt is formed on the upper side of the front end of the fork needle, the needle groove extending out corresponds to a control triangle on the machine head, the fork needle is pushed by the control triangle to move backwards, and the fork opening part at the rear end is supported by a limiting steel wire which is penetrated on the thick inserting piece; the needle selection piece is positioned above the fork needle, a downward convex needle pushing butt is formed on the lower side of the needle selection piece, the needle pushing butt can push the fork needle to move forward corresponding to the rear end of the fork needle, an upward convex butt is formed on the upper side of the needle selection piece, the butt extends out of a needle groove and corresponds to a control cam on the machine head to control the front and back sliding of the needle selection piece, the needle selection butt is further arranged on the needle selection piece, the needle selection butt extends out of the needle groove and corresponds to a needle selector on the machine head, and the needle selector controls the lifting of the needle selection piece, so that whether the butt on the upper side of the needle selection piece can be controlled and driven by the control cam.
The distance between the needle selecting butt on the needle selecting piece and the end part of the front end of the needle selecting piece is the needle selecting position, the needle selecting positions of two adjacent needle selecting pieces are different, the needle selecting pieces with different needle selecting positions are continuously and sequentially arranged to form a combination, a plurality of combinations are sequentially and circularly arranged in the length direction of the needle plate, and the number of the needle selecting pieces with different needle selecting positions in one combination is determined according to the knitting process.
The thin insertion piece is supported by the limiting steel wire, and can be connected with the needle plate in an insertion mode and can also be suspended.
The top sides of the supporting parts are provided with limiting clamping grooves, spacing racks are clamped in the limiting clamping grooves, the tooth widths of convex teeth of the spacing racks are equal to the left and right widths of the movable knocking-over piece accommodating cavities, and the convex teeth of the spacing racks are downwards inserted into the movable knocking-over piece accommodating cavities to support and limit two adjacent supporting parts.
The invention can achieve the following beneficial effects: 1. according to the invention, the thick inserting pieces and the thin inserting pieces are alternately arranged and matched to form the needle grooves, and the side walls at two sides of the thick inserting pieces are provided with the grooves for accommodating the knitting needles, so that the needle pitch is greatly reduced, the stitch camber line of the disposable ready-made clothes realized by using a two-needle plate flat knitting machine needle separating knitting method is shortened, and the fabric tightness is increased; 2. the fixed knocking-over piece and the movable knocking-over piece are adjacently combined, the multifunctional integration of knocking-over and ring pressing is realized by the forward extension and the rotation of the movable knocking-over piece, the knocking-over position is adjustable, and the flexibility of the knitting process is improved.
Drawings
Fig. 1 is a schematic perspective view of a partial structure of the present invention.
Fig. 2 is a schematic view of a partial structure in a three-dimensional direction when the thick insert sheet on the side edge is omitted.
Fig. 3 is a front view of a partial structure of the present invention.
Fig. 4 is a partial enlarged view of a portion a in fig. 2.
Fig. 5 is a partial enlarged view of fig. 2 at b.
Fig. 6 is a partially enlarged view of c in fig. 3.
FIG. 7 is a side view schematic diagram of the single needle board of the present invention.
FIG. 8 is a side cross-sectional view of the rear position of a thick blade with a nose and a letter-gram single needle plate according to the present invention.
FIG. 9 is a side sectional view of the front position of the thin insert of the present invention in a single needle board state.
FIG. 10 is a block diagram of a removable knockover panel of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and the described embodiments are illustrative and explanatory of the invention and do not constitute a limitation of the invention.
As shown in fig. 1-10, the needle plate comprises two needle plates 1 arranged on the front side and the rear side of a frame in a splayed arrangement, a plurality of thick insertion pieces 4 are arranged and clamped on the needle plates along the length direction, a thin insertion piece 12 is arranged between every two adjacent thick insertion pieces, the thick insertion pieces 4 and the thin insertion pieces 12 are matched to form needle grooves, and each needle groove is provided with a knitting needle 8 capable of completing loop knitting, tuck knitting and loop transferring knitting and a set of needle selection components. The left side wall and the right side wall of the thick insertion piece 4 are provided with grooves 41, and the knitting needle part is accommodated in the grooves. The needle selection assembly comprises a long needle 9, a fork needle 11 and a needle selection piece 10, wherein the front end of the long needle 9 is bent to form a lug, a groove is formed in the knitting needle 8, and the picture is movably connected and matched with the groove. An upward convex needle butt is formed on the arc back of the long-foot needle 9, and a needle extending groove is matched with a track groove which is arranged above a needle plate and consists of a control triangle 15 on a machine head 14, so that the sliding of a knitting needle in the needle groove is controlled; the lower side of the front end of the fork needle 11 is pressed against the arched back of the long-leg needle, an upward convex needle butt is formed on the upper side, the needle groove extending out corresponds to a control triangle on the machine head, the fork needle is pushed by the control triangle to move backwards, and the fork opening part at the rear end is supported by a limiting steel wire which is penetrated on the thick inserting sheet; and a limiting steel wire is further penetrated and installed on the thick insertion piece and positioned on the upper side of the fork needle to limit the depth position of the fork needle in the needle groove. The needle selection piece 10 is positioned above the fork needle, the lower side of the front end is supported by a limiting steel wire which limits the depth position of the fork needle, a downward convex needle pushing butt 102 is formed on the lower side of the needle selection piece, the fork needle can be pushed to move forward corresponding to the rear end of the fork needle, an upward convex butt is formed on the upper side, the butt extends out of a needle groove and corresponds to a control triangle on a machine head, the forward and backward sliding of the needle selection piece is controlled, the needle selection piece can push the fork needle 11 to move forward through the needle pushing butt 102 due to the forward movement of the needle selection piece, the front end of the fork needle 11 presses the arch back of the long-leg needle 9 downwards, the butt of the long-leg needle retracts downwards into the needle groove, the needle selection piece is separated from a track groove of the machine head, the needle cannot move forward under the driving of. If the knitting needle participates in knitting, the nose control cam pushes the fork needle to move backwards without pressing the long needle downwards, the butt of the long needle rises and extends out of the needle groove and is matched with the nose track groove, and the long needle moves forwards and backwards under the driving of the nose to drive the knitting needle to move forwards and backwards to participate in knitting. The needle selection piece is also provided with a needle selection butt 101, the needle selection butt extends out of the needle groove to correspond to the needle selector on the machine head, and the needle selector controls the lifting of the needle selection piece, so that whether the butt on the upper side of the needle selection piece can be controlled and driven by the control cam on the machine head is controlled. The thin inserting sheet 12 is supported by a limiting steel wire and is not fixedly connected with the needle plate.
The distance between the needle selecting butt 101 on the needle selector and the end part of the front end of the needle selector is the needle selecting position, the needle selecting positions of two adjacent needle selectors are different, the 6 needle selectors with different needle selecting positions are continuously and sequentially arranged to form a combination, and a plurality of combinations are sequentially and circularly arranged in the length direction of the needle plate. The number of the needle selection pieces of different needle selection positions in one combination can be determined according to the knitting process, and 6 pieces, 8 pieces and 10 pieces are all available.
The front end of each thick inserting piece 4 is provided with a fixed knocking-over piece 2, and the fixed knocking-over piece 2 is clamped on the needle plate 1. Thick inserted sheet front end is provided with bellied supporting part 42 that makes progress, forms the activity between the supporting part of two adjacent thick inserted sheets and takes off circle piece holding chamber, and supporting part 42 top side sets up spacing draw-in groove, and the card is equipped with interval rack 3 in the spacing draw-in groove, and the dogtooth tooth width of interval rack is equal with the width about activity is taken off circle piece holding chamber, and the dogtooth of interval rack inserts the activity downwards and takes off circle piece holding chamber in, supports spacingly to two adjacent supporting parts.
Each movable knockover piece accommodating cavity is internally provided with a movable knockover piece 5, and the movable knockover piece 5 is positioned on the extension line of the thin insertion piece 12. The body of the movable knocking-over piece 5 is provided with a long slot hole 53, a shaft 6 supported by the supporting part 42 is inserted in the long slot hole, and the movable knocking-over piece can move transversely back and forth and rotate by taking the shaft as a rotating center. The top side of the movable knocking-over piece is provided with a driving piece heel 51, and the rear side is provided with a guide piece heel 52; the driving piece heel extends out of the top side of the knocking-over piece accommodating cavity and is matched with a sinker mechanism 13 of the flat knitting machine; the guide shoe heel 52 has two linear guide sections corresponding to the linear movement and one arc-shaped guide section corresponding to the rotational movement, the arc-shaped guide section being located between the two linear guide sections, and the side edges of the linear guide sections being parallel to the length direction of the long slot hole 53. Two limiting guide shafts 7 supported by the supporting part 42 are arranged in the movable knocking-over piece accommodating cavity, and the two limiting guide shafts 7 are positioned at the two sides of the guide piece heels 52 and clamp the guide piece heels between the two limiting guide shafts.
As another embodiment, the thin inserting sheet 12 is supported by a limiting steel wire and is fixedly connected with the needle plate 1 in an inserting mode.
Claims (9)
1. The utility model provides a flat knitting machine knitting mechanism, is equipped with a plurality of needle grooves along length direction including locating two fallers that both sides become the splayed and arrange around the frame on the faller, and each needle groove holds and is equipped with one piece of knitting needle and one set of selecting needle subassembly that can accomplish the lopping and weave, tucking and transfer knitting, its characterized in that: the needle groove is formed by thick inserted sheet and thin inserted sheet pairing, and thick inserted sheet clamps in on the faller, thick inserted sheet and thin inserted sheet set up in turn on faller length direction, and thick inserted sheet front end of each piece is provided with a fixed looper piece, holds between two adjacent thick inserted sheet front ends and establishes a slice activity looper piece, and activity looper piece is located on the extension line of thin inserted sheet.
2. The knitting mechanism of the flat knitting machine according to claim 1, characterized in that: the thick inserted sheet both sides lateral wall on seted up the recess, knitting needle part holds and locates in the recess.
3. The knitting mechanism of the flat knitting machine according to claim 1 or 2, characterized in that: thick inserted sheet front end be provided with the bellied supporting part that makes progress, form activity knockover circle piece holding chamber between the supporting part of two adjacent thick inserted sheets, this activity knockover circle piece holding chamber is located to activity knockover circle piece holding.
4. The knitting mechanism of the flat knitting machine according to claim 3, characterized in that: the movable knocking-over piece body is provided with a long slotted hole, a shaft supported by the supporting part is arranged in the long slotted hole in a penetrating way, and the movable knocking-over piece can transversely move back and forth and rotate by taking the shaft as a rotating center through the shaft; the top side of the movable knocking-over piece is provided with a driving piece heel, and the rear side is provided with a guide piece heel; the driving piece heel extends out of the top side of the knocking-over piece accommodating cavity and is matched with a sinker mechanism of the flat knitting machine; the guide piece heel is provided with a linear guide section corresponding to linear motion and an arc guide section corresponding to rotary motion, two limiting guide shafts supported by the supporting part are arranged in the movable knocking-over piece accommodating cavity, and the two limiting guide shafts are positioned on two sides of the guide piece heel and clamp the guide piece heel between the two limiting guide shafts.
5. The knitting mechanism of the flat knitting machine according to claim 4, characterized in that: the guide piece heel comprises two linear guide sections and an arc-shaped guide section, the arc-shaped guide section is positioned between the two linear guide sections, and the side edges of the linear guide sections are parallel to the length direction of the long slotted hole.
6. The knitting mechanism of the flat knitting machine according to claim 1 or 5, characterized in that: the needle selection assembly comprises a long needle, a fork needle and a needle selection piece, the front end of the long needle is movably connected with the knitting needle through a lug and groove matching structure, an upward convex needle butt is formed on the arch back of the long needle, and the extended needle groove is matched with a track groove which is arranged above the needle plate and consists of a control triangle on the machine head to control the sliding of the knitting needle in the needle groove; the lower side of the front end of the fork needle is pressed against the arched back of the long-foot needle, an upward convex needle butt is formed on the upper side of the front end of the fork needle, the needle groove extending out corresponds to a control triangle on the machine head, the fork needle is pushed by the control triangle to move backwards, and the fork opening part at the rear end is supported by a limiting steel wire which is penetrated on the thick inserting piece; the needle selection piece is positioned above the fork needle, a downward convex needle pushing butt is formed on the lower side of the needle selection piece, the rear end of the corresponding fork needle can push the fork needle to move forward, an upward convex butt is formed on the upper side of the needle selection piece, the butt extends out of a needle groove and corresponds to a control cam on the machine head to control the front and back sliding of the needle selection piece, the needle selection butt is further arranged on the needle selection piece, the needle selection butt extends out of the needle groove and corresponds to a needle selector on the machine head, and the needle selector controls the lifting of the needle selection piece.
7. The knitting mechanism of the flat knitting machine according to claim 6, characterized in that: the distance between the needle selecting butt on the needle selecting piece and the end part of the front end of the needle selecting piece is the needle selecting position, the needle selecting positions of two adjacent needle selecting pieces are different, a plurality of needle selecting pieces with different needle selecting positions are continuously and sequentially arranged to form a combination, and a plurality of combinations are sequentially and circularly arranged in the length direction of the needle plate.
8. The knitting mechanism of the flat knitting machine according to claim 7, characterized in that: the thin insertion piece is supported by the limiting steel wire, and the thin insertion piece is not fixedly connected with the needle plate or is connected with the needle plate in an insertion mode.
9. The knitting mechanism of the flat knitting machine according to claim 8, characterized in that: the top side of the supporting part is provided with a limiting clamping groove, a spacing rack is clamped in the limiting clamping groove, the tooth width of a convex tooth of the spacing rack is equal to the left and right width of the movable knocking-over piece accommodating cavity, and the convex tooth of the spacing rack is downwards inserted into the movable knocking-over piece accommodating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011399313.0A CN112481791B (en) | 2020-12-01 | 2020-12-01 | Knitting mechanism of flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011399313.0A CN112481791B (en) | 2020-12-01 | 2020-12-01 | Knitting mechanism of flat knitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112481791A true CN112481791A (en) | 2021-03-12 |
| CN112481791B CN112481791B (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011399313.0A Active CN112481791B (en) | 2020-12-01 | 2020-12-01 | Knitting mechanism of flat knitting machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN112481791B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445193A (en) * | 2021-07-31 | 2021-09-28 | 高铭伟 | Ultra-dense needle plate structure of computerized flat knitting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445193A (en) * | 2021-07-31 | 2021-09-28 | 高铭伟 | Ultra-dense needle plate structure of computerized flat knitting machine |
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