Knitting mechanism of flat knitting machine
Technical Field
The utility model belongs to the technical field of flat knitting machine part device, especially, it is relevant with a flat knitting machine braiding mechanism.
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.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the problem that the coil arc length, the little or the mechanism structure of knitting that the full forming weaving method of the flat knitting machine of current disposable ready-made clothe exists is complicated, the manufacturing degree of difficulty is big, provide a needle pitch little, weave nimble double needle board flat knitting machine and weave the mechanism.
Therefore, the utility model 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.
As the supplement and improvement to the technical proposal, the utility model also comprises the following technical characteristics.
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 on the machine head is controlled.
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 utility model discloses following beneficial effect can be reached: 1. the utility model forms the needle groove by alternately arranging the thick inserting pieces and the thin inserting pieces and arranging the grooves on the side walls of the two sides of the thick inserting pieces to accommodate the knitting needles, thereby greatly reducing the needle pitch, shortening the loop pitch line for realizing disposable ready-made clothes by using the two-needle plate flat knitting machine needle separating knitting method and increasing the tightness of the fabric; 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 view of the three-dimensional local structure of the present invention.
Fig. 2 is the schematic view of the three-dimensional local structure of the present invention when the thick insert is omitted.
Fig. 3 is a front view 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 schematic view of the structure of the single needle board side view direction of the present invention.
Fig. 8 is a side view of the rear position of the belt head and the letter-gram single-needle-plate thick insert of the present invention.
Fig. 9 is a side view of the front position of the single-needle-plate thin insert of the present invention.
Fig. 10 is a structural view of the movable knocking-over piece of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are used for illustration and explanation of the invention and are not to be construed as limiting the invention.
As shown in fig. 1-10, the utility model discloses a two fallers 1 that both sides become the splayed and arrange around locating the frame, arrange along length direction on the faller and clamped a plurality of thick inserted sheets 4, set up a slice thin inserted sheet 12 between two adjacent thick inserted sheets, thick inserted sheet 4 and thin inserted sheet 12 form the needle groove to joining in marriage, and each needle groove holds to be equipped with one piece of knitting needle 8 and one set of selecting the needle subassembly that can accomplish the lopping and weave, the tucking is woven and the transfer is woven. 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 the machine head, and the knitting needle does not move forward to participate in knitting. 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.