A normal pressure sinker and its needle plate device

Abstract

A normal pressure sinker, the tail of the sinker body is provided with a powered sinker heel, the head of the sinker body is provided with a downward presser part, the front of the sinker heel is provided with a elastic presser part of reaction force, the upper end of the elastic presser part is provided with a normal pressure steel wire normally pressed on the upper end of the elastic presser part, the normal pressure steel wire presses the elastic presser part, the reaction force makes the presser part produce normal pressure downward, the sinker heel is further provided with a rotating center hole below, the head of the sinker body is provided with a first limiting steel wire hole, the sinker heel rotates the sinker body around the rotating center hole under the action of power. Advantage: low probability of loop floating, normal pressure type, high precision.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of normal pressure sinker and its needle plate device. BACKGROUND

[0002] The sinker mechanism in computerized flat knitting machine is used to press the knitted fabric downwards in the process of knitting, to assist the withdrawal of knitting needle, the sinker of two needle beds can rotate to open, to give out the position for loop formation, which is beneficial to the process of knitting, closing, loop transfer, loop formation and drawing. The current sinker is usually threaded on a positioning wire, under the driving of power, the sinker rotates around the positioning wire as the pivot to make a small rotational movement towards the needle bed, so that the sinker's presser foot produces downward pressure to prevent floating. However, it is limited to the driving of cam area, when the machine head moves, the sinker's presser foot returns to the initial position. Especially in the process of garment knitting, when the sinker's presser foot is lifted, it is easy to produce "floating cloth" in the armpit of the body and sleeve. The sinker of this structure also has the disadvantage of high probability of loop formation.

[0003] During the process of knitting, computerized flat knitting machine needs to fill a large amount of yarn, in order to prevent floating, the yarn is usually pressed by the presser device on the front and back needle beds to make it float.

[0004] The current structure of presser device is not suitable for the production of garment knitting machine. SUMMARY

[0005] The present application aims to solve the problems existing in the prior art, and provides a kind of normal pressure sinker and its needle plate device.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: a kind of normal pressure sinker, including sinker body, elastic presser foot part connected to sinker body, piece heel part and presser part, the sinker body is sheet-shaped, the tail of the sinker body is provided with the piece heel part accepting power, the head of the sinker body is provided with the downward presser part, the front of the piece heel part is provided with the elastic presser foot part of reaction force, the upper end of the elastic presser foot part is provided with the normal pressure wire normally pressed on the upper end of the elastic presser foot part, the normal pressure wire presses the elastic presser foot part, the reaction force makes the presser part produce normal pressure downward, the lower side of the piece heel part of the sinker body is also provided with a rotating center hole, the head of the sinker body is provided with a first limiting wire hole, the piece heel part is rotated around the rotating center hole under the action of power, so that the sinker body rotates.

[0007] Further, the sinker body, the elastic presser foot part and the piece heel part are integrally formed; the presser part is welded with the head of the sinker body.

[0008] Further, the first limiting steel wire hole is provided with a first limiting steel wire, and the first limiting steel wire hole is a long circular hole; the rotating center hole is provided with a positioning steel wire; the front end of the presser portion is provided with a presser opening and a second limiting steel wire hole, the second limiting steel wire hole is located at the rear of the presser opening, and the presser opening is an inner concave arc for pressing the yarn; the presser portion is further provided with a limiting opening for matching the protrusion on the toothed opening piece.

[0009] A needle plate device with a normal pressure sinker comprises a sinker, a needle plate and an insert piece, a plurality of insert piece grooves are provided on the needle plate at equal intervals, the insert piece is installed in the insert piece groove, a needle groove is formed between each adjacent insert piece and the insert piece, the needle groove is used for placing a needle assembly, the needle assembly comprises a needle, a tuck piece, a three-station push piece and a selection piece, the front end of the needle plate is a toothed opening end, the toothed opening end is provided with a toothed opening assembly, the front end of each insert piece groove corresponds to a toothed opening assembly, the front part of the insert piece extends upwardly to have an upper protruding piece, the upper end of the upper protruding piece is provided with a small needle plate, the small needle plate is provided with a sinker installation groove, the sinker body is placed in the sinker installation groove, the piece heel part is exposed outside the sinker installation groove, the presser portion of the sinker extends into the toothed opening assembly corresponding to the front end of the insert piece groove, the toothed opening assembly comprises a toothed opening piece and a gasket, a gap is provided between the protruding side of the toothed opening piece and the side wall of the front end of the insert piece groove, the sinker is inserted into the gap, and the limiting opening of the presser portion is matched with the protrusion of the toothed opening piece.

[0010] A needle plate device with a normal pressure sinker comprises a sinker, a needle plate and an insert piece, a plurality of insert piece grooves are provided on the needle plate at equal intervals, the insert piece is installed in the insert piece groove, a needle groove is formed between each adjacent insert piece and the insert piece, the needle groove is used for placing a needle assembly, the needle assembly comprises a needle, a tuck piece, a three-station push piece and a selection piece, the front end of the needle plate is a toothed opening end, the toothed opening end is provided with a toothed opening assembly, the front end of each insert piece groove corresponds to a toothed opening assembly, the front part of the insert piece extends upwardly to have an upper protruding piece, the upper end of the upper protruding piece is provided with a small needle plate, the small needle plate is provided with a sinker installation groove, the sinker body is placed in the sinker installation groove, the piece heel part is exposed outside the sinker installation groove, the presser portion of the sinker extends into the toothed opening assembly corresponding to the front end of the insert piece groove, the toothed opening assembly comprises a toothed opening piece and a gasket, a gap is provided between the protruding side of the toothed opening piece and the side wall of the front end of the insert piece groove, the sinker is inserted into the gap, and the limiting opening of the presser portion is matched with the protrusion of the toothed opening piece.

[0011] Further, the insert piece is provided with a loop-expanding spring piece accommodation groove corresponding to the loop-expanding spring piece side of the needle, and the presser portion of each sinker is located close to the protruding side of the toothed opening piece.

[0012] The invention discloses a needle plate device with normal pressure sinker, which comprises a sinker, a needle plate and an insert piece, a plurality of insert piece grooves are equidistantly arranged on the needle plate, the insert piece and the first needle groove insert piece are arranged in the insert piece groove, a needle groove is formed between each adjacent insert piece and the first needle groove insert piece, a needle assembly is placed in the needle groove, the needle assembly comprises a needle, a needle lifter, a three-station push piece and a selector piece, the insert piece is longer than the first needle groove insert piece, a spacing piece is arranged in the insert piece groove in front of the first needle groove insert piece to separate two needles between the adjacent insert pieces, the front end of the needle plate is a toothed end, the toothed end is provided with a toothed assembly, the front end of each insert piece groove corresponds to a toothed assembly, the upper end of the upper tab of the insert piece extends upward, a lower plate is arranged on the upper end of the upper tab, a sinker mounting groove is arranged on the lower plate, the sinker body is arranged in the sinker mounting groove, the heel of the sinker is exposed outside the sinker mounting groove, the yarn pressing part of the sinker extends into the gap formed by the corresponding toothed assembly, the toothed assembly comprises a toothed piece and a gasket, one side of the toothed piece is attached to the gasket, the other side of the toothed piece is provided with a protrusion, the protrusion keeps a gap with the toothed wall, the limiting opening of the yarn pressing part corresponds to the protrusion, the front end of the spacing piece in the spacing piece groove is further provided with an additional piece corresponding to the toothed assembly, the upper end of the additional piece extends out of the needle spacing section, the additional piece is provided with additional gaskets on both sides, the upper end of the toothed piece is provided with an upward extension, the extension corresponds to the side of the loop-expanding spring piece of the needle, and the loop-expanding spring piece and the extension can intersect horizontally, the needle moves and is controlled to swing left and right by the contact between the loop-expanding spring piece and the extension.

[0013] The invention discloses a needle plate device with normal pressure sinker, which comprises a sinker, a needle plate and an insert piece, a plurality of insert piece grooves are equidistantly arranged on the needle plate, the insert piece and the first needle groove insert piece are arranged in the insert piece groove, a needle groove is formed between each adjacent insert piece and the first needle groove insert piece, a needle assembly is placed in the needle groove, the needle assembly comprises a needle, a needle lifter, a three-station push piece and a selector piece, the insert piece is longer than the first needle groove insert piece, a spacing piece is arranged in the insert piece groove in front of the first needle groove insert piece to separate two needles between the adjacent insert pieces, the front end of the needle plate is a toothed end, the toothed end is provided with a toothed assembly, the front end of each insert piece groove corresponds to a toothed assembly, the upper end of the upper tab of the insert piece extends upward, a lower plate is arranged on the upper end of the upper tab, a sinker mounting groove is arranged on the lower plate, the sinker body is arranged in the sinker mounting groove, the heel of the sinker is exposed outside the sinker mounting groove, the yarn pressing part of the sinker extends into the gap formed by the corresponding toothed assembly, the toothed assembly comprises two toothed pieces, a gap is formed between the two toothed pieces, a protrusion is arranged in the gap, the limiting opening of the yarn pressing part corresponds to the protrusion, the front end of the spacing piece in the spacing piece groove is further provided with an additional piece, the upper end of the additional piece extends out of the needle spacing section, and the additional piece is provided with additional gaskets on both sides.

[0014] A needle plate device with normal pressure sinker, comprising sinker, needle plate and insert piece, a plurality of insert piece grooves are evenly arranged on the needle plate, the insert piece and the first needle groove insert piece are arranged in the insert piece groove, the needle groove is formed between each adjacent insert piece and the first needle groove insert piece, the needle groove is placed in the needle assembly, the needle assembly comprises needle, needle lifter, three-position push piece and selector piece, the insert piece is longer than the first needle groove insert piece, the insert piece groove in front of the first needle groove insert piece is provided with a spacing piece for separating two needles between adjacent insert pieces; characterized in that: the front end of the needle plate is a toothed end, the toothed end is provided with a toothed assembly, and the front end of each insert piece groove corresponds to a toothed assembly; the front part of the insert piece extends upward to form an upper tab, the upper end of the upper tab is provided with a lower needle plate, the lower needle plate is provided with a sinker mounting groove, the sinker body is arranged in the sinker mounting groove, the heel part of the sinker is exposed outside the sinker mounting groove, the presser part of the sinker extends into the gap formed by the corresponding toothed assembly, the toothed assembly comprises two toothed pieces, there is a gap between the two toothed pieces, a protrusion is arranged in the gap, and the limiting opening of the presser part is matched with the protrusion, and the insert piece groove in front of the spacing piece is also provided with an additional piece, and the additional piece is provided with additional piece gaskets on both sides.

[0015] Further, the gap width of the toothed assembly is at least greater than the thickness of the presser part.

[0016] The beneficial effects of the present application are: simple structure, low probability of loop floating piece; the sinker is normal pressure type, high precision, and the operation is more stable. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic diagram of the sinker of example 1.

[0018] Figure 2 It is a schematic diagram of the installation of the needle plate and the insert piece of example 2

[0019] Figure 3 It is a structure schematic diagram of the insert piece of example 2 Figure 1 .

[0020] Figure 4 It is a structure schematic diagram of the insert piece of example 2 Figure 2 .

[0021] Figure 5 It is a schematic diagram of the installation of the needle plate and the insert piece of example 3.

[0022] Figure 6 It is a structure schematic diagram of the insert piece of example 3 Figure 1 .

[0023] Figure 7 It is a structure schematic diagram of the insert piece of example 3 Figure 2 .

[0024] Figure 8 It is a structure schematic diagram of the toothed assembly of example 3.

[0025] Figure 9 is a schematic view of the needle plate and insert installation of Example 4.

[0026] Figure 10 is a schematic view of the insert structure of Example 4.

[0027] Figure 11 is a schematic view of the spacer installation of Example 4.

[0028] Figure 12 is a schematic view of the toothed jaw assembly structure of Example 4.

[0029] Figure 13 is a side view of the toothed jaw assembly of Example 4.

[0030] Figure 14 is a schematic view of the needle plate and insert installation of Example 5.

[0031] Figure 15 is a schematic view of the insert structure of Example 5.

[0032] Figure 16 is a schematic view of the spacer installation of Example 5.

[0033] Figure 17 is a schematic view of the toothed jaw assembly structure of Example 5.

[0034] Figure 18 is a schematic view of the needle plate and insert installation of Example 6.

[0035] Figure 19 is a schematic view of the insert structure of Example 6.

[0036] Figure 20 is a schematic view of the spacer installation of Example 6.

[0037] Figure 21 is a schematic view of the toothed jaw assembly structure of Example 6.

[0038] Figure 22 is a schematic view of the sinker structure of Example 7.

[0039] Figure 23 is a schematic view of the needle plate and insert installation of Example 8.

[0040] Figure 24 is a schematic view of the insert structure of Example 8 Figure 1 .

[0041] Figure 25 is a schematic view of the insert structure of Example 8 Figure 2 .

[0042] Figure 26 is a schematic view of the toothed jaw assembly structure of Example 8.

[0043] Figure 27 is the schematic diagram of the spacer installation of Example 9.

[0044] Figure 28 is the schematic diagram of the needle plate and the insert installation of Example 10.

[0045] Figure 29 is the schematic diagram of the insert structure of Example 10.

[0046] Figure 30 is the schematic diagram of the toothed plate structure of Example 10.

[0047] Figure 31 is the side view of the toothed plate of Example 10.

[0048] Figure 32 is the schematic diagram of the needle plate and the insert installation of Example 11.

[0049] Figure 33 is the schematic diagram of the insert structure of Example 11.

[0050] Figure 34 is the schematic diagram of the spacer installation of Example 11.

[0051] Figure 35 is the schematic diagram of the sinker pad structure of Example 11.

[0052] Figure 36 is the schematic diagram of the toothed plate structure of Example 11.

[0053] 1 is the sinker body; 2 is the elastic presser foot; 3 is the heel; 4 is the presser; 5 is the rotating center hole; 6 is the first limiting steel wire long hole; 7 is the second limiting steel wire long hole; 8 is the groove; 9 is the first limiting steel wire; 10 is the presser port; 11 is the limiting port; 12 is the protrusion; 13 is the second limiting steel wire; 14 is the needle plate; 15 is the insert; 16 is the small needle plate; 17 is the sinker; 18 is the needle groove; 19 is the toothed plate assembly; 20 is the knitting needle; 21 is the lower end positioning groove of the toothed plate; 22 is the upper protruding plate; 23 is the pad; 24 is the attached plate; 25 is the toothed plate; 26 is the extension section; 27 is the loop-expanding spring plate; 28 is the gap; 29 is the sinker pad; 30 is the knitting needle spacing section; 31 is the first needle groove insert; 32 is the spacer; 33 is the spacer pad; 34 is the first gap; 35 is the constant pressure steel wire. DETAILED DESCRIPTION

[0054] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Figures 1-36 The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.

[0055] Example 1 refers to Figure 1A normal pressure sinker, comprising a sinker body 1, an elastic presser foot 2 connected to the sinker body, a sinker heel 3 and a presser bar 4, the sinker body is in the shape of a sheet, the tail of the sinker body is provided with the sinker heel receiving power, the head of the sinker body is provided with the downward presser bar, the elastic presser foot is provided above the sinker body, one end of the elastic presser foot is connected to the sinker heel, and the other end is kept a first gap 34 from the head of the sinker body, the sinker heel is provided with a counterforce elastic presser foot in front, the upper end of the elastic presser foot is provided with a normal pressure steel wire 35 normally pressed on the upper end of the elastic presser foot, the normal pressure steel wire presses the elastic presser foot, the counterforce makes the presser bar downwardly generate normal pressure, the sinker heel is further provided with a rotating center hole 5 below the sinker body, the head of the sinker body is provided with a first limiting steel wire hole 6, the sinker heel is rotated around the rotating center hole under the action of power.

[0056] A normal pressure sinker, the sinker body, the elastic presser foot and the sinker heel are integrally formed.

[0057] A normal pressure sinker, the presser bar 4 is welded with the head of the sinker body.

[0058] A needle plate device with a normal pressure sinker, the first limiting steel wire 9 is arranged in the first limiting steel wire long hole 6, and the first limiting steel wire long hole is a long circular hole.

[0059] A normal pressure sinker, the presser bar is provided with a presser port 10 at the front end and a second limiting steel wire long hole, the second limiting steel wire long hole 7 is located at the rear position of the presser port, the presser port is a concave circular arc for pressing down the presser thread, and the second limiting steel wire long hole is provided with a second limiting steel wire 13. The rotating center hole is provided with a positioning steel wire.

[0060] A normal pressure sinker, the presser bar is further provided with a limiting port 11 for cooperating with the protrusion 12 on the toothed port sheet.

[0061] Embodiment 2 is referred to Figures 1-4A needle plate device with constant pressure sinker, comprising a sinker 17, a needle plate 14 and a sinker 15, the needle plate 14 is provided with a plurality of sinker slots at equal intervals, the sinker is installed in the sinker slot, and a needle slot 18 is formed between each adjacent sinker and sinker. The needle slot is used to place a needle assembly, and the needle assembly comprises a needle 20, a needle lifter, a three-station pusher and a selector. The front end of the needle plate is a toothed end, and the toothed end is provided with a toothed end assembly. The front end of each sinker slot corresponds to a toothed end assembly 19. The front part of the sinker extends upwardly to form an upper tab 22, and the upper end of the upper tab is provided with a lower needle plate 16. The lower needle plate is provided with a sinker mounting slot, and the sinker body is arranged in the sinker mounting slot. The heel of the sinker is exposed outside the sinker mounting slot, the yarn pressing part of the sinker extends into the toothed end assembly corresponding to the front end of the sinker slot, and the toothed end assembly comprises a toothed end piece 15 and a gasket 23. A gap 28 is provided between the protruding side of the toothed end piece and the sidewall of the front end of the sinker slot, and the sinker 17 is inserted into the gap. The limiting opening 11 of the yarn pressing part cooperates with the protrusion 12 of the toothed end piece.

[0062] A needle plate device with constant pressure sinker, the upper end of the toothed end piece and the gasket is lower than the lower end of the loop spring piece of the needle.

[0063] A needle plate device with constant pressure sinker, the lower end of the lower needle plate is provided with a groove 8, and the upper end of the upper tab is engaged in the groove.

[0064] A needle plate device with constant pressure sinker, the lower side of the front end of each sinker slot is provided with a toothed end piece lower end positioning groove 21, and the lower end of the toothed end piece is positioned in the toothed end piece lower end positioning groove.

[0065] A needle plate device with constant pressure sinker, the sinker corresponding to the loop spring piece side is provided with a loop spring piece accommodation groove. One side of the yarn pressing part of each sinker is close to the protruding side of the toothed end piece.

[0066] Embodiment 3 refers to Figure 1 、 58. A needle plate device with constant pressure sinker, comprising sinker 17, needle plate 14 and sinker 15, the needle plate is provided with sinker slots at equal intervals, the sinker is installed in the sinker slot, the needle slot 18 is formed between each adjacent sinker and sinker, the needle slot is used to place the needle assembly, the needle assembly comprises needle 20, sinker, three-position pusher and selector; the front end of the needle plate is a toothed end, the toothed end is provided with toothed end assembly 19, the front end of each sinker slot corresponds to a toothed end assembly; the upper end of the front part of the sinker extends upwardly to form an upper tab 22, the upper end of the upper tab is provided with a lower needle plate 16, the lower needle plate is provided with a sinker mounting slot, the sinker body is placed in the sinker mounting slot, the heel of the sinker is exposed outside the sinker mounting slot, the pressing part of the sinker extends into the toothed end assembly corresponding to the front end of the sinker slot, the toothed end assembly comprises toothed end tab 25 and gasket 23, a gap 28 is provided between the protruding side of the toothed end tab and the sidewall of the front end of the sinker slot, the sinker is inserted into the gap, the limiting opening 11 of the pressing part cooperates with the protrusion 12 of the toothed end tab; the upper end of the toothed end tab is provided with an upward extension 26, the extension corresponds to the side of the loop forming spring tab of the needle, and can intersect the loop forming spring tab horizontally, the needle is controlled to swing left and right by the loop forming spring tab and the extension when the needle moves.

[0067] A needle plate device with constant pressure sinker, the upper end of the extension of the toothed end tab exceeds the loop forming spring tab.

[0068] A needle plate device with constant pressure sinker, the lower end of the lower needle plate is provided with a groove 8, and the upper end of the upper tab is engaged in the groove.

[0069] A needle plate device with constant pressure sinker, the lower side of the front end of each sinker slot is provided with a toothed end tab lower end positioning groove 21, and the lower end of the toothed end tab is engaged in the toothed end tab lower end positioning groove for positioning.

[0070] A needle plate device with constant pressure sinker, the sinker corresponding to the side of the loop forming spring tab of the needle is provided with a loop forming spring tab accommodation groove, and one side of the pressing part of each sinker is close to the protruding side of the toothed end tab.

[0071] Embodiment 4 is referred to Figure 1 , 9 ​-13, a needle plate device with constant pressure sinker, comprising sinker 17, needle plate 14 and insert 15, needle plate is provided with a plurality of insert slots at equal intervals, insert and first needle slot insert are arranged in insert slots, needle slot 19 is formed between each adjacent insert and first needle slot insert, needle assembly is placed in needle slot, needle assembly comprises needle 20, jack, three-position push piece and selector, insert is longer than first needle slot insert, insert slot in front of first needle slot insert is provided with spacing piece 32 for separating two needles between adjacent inserts; the front end of the needle plate is a toothed end, the toothed end is provided with a toothed assembly, the front end of each insert slot corresponds to a toothed assembly 19; the upper end of the upper tab 22 extending upward from the front part of the insert is provided with a lower needle plate, the lower needle plate 16 is provided with a sinker mounting slot, the sinker body is arranged in the sinker mounting slot, the heel of the insert is exposed outside the sinker mounting slot, the yarn pressing part of the sinker extends into the gap 28 provided in the corresponding toothed assembly, the toothed assembly comprises a toothed piece 25 and a gasket 23, one side of the toothed piece is attached to the gasket, the other side of the toothed piece is provided with a protrusion 12, the protrusion maintains a gap with the toothed wall; and the limiting opening of the yarn pressing part corresponds to the protrusion, the front end of the spacing piece in the spacing piece slot is also provided with an additional piece 24 corresponding to the toothed assembly, the upper end of the additional piece extends out of the needle spacing section 30, the additional piece is provided with additional gaskets on both sides, the upper end of the toothed piece is provided with an upward extension 26, the extension corresponds to the loop-expanding spring piece side of the needle, and the loop-expanding spring piece side of the needle can intersect the loop-expanding spring piece in the horizontal direction. When the needle moves, the loop-expanding spring piece 27 contacts the extension to control the left and right swing of the needle.

[0072] A needle plate device with constant pressure sinker, the gap width is at least greater than the thickness of the yarn pressing part.

[0073] A needle plate device with constant pressure sinker, the spacing piece 32 is also provided with a spacing piece gasket 33 in the spacing piece slot. The upper end of the spacing piece exceeds the upper end of the spacing piece slot.

[0074] A needle plate device with constant pressure sinker, the loop-expanding spring piece side of the insert corresponding to the needle is provided with a loop-expanding spring piece accommodation hole.

[0075] A needle plate device with constant pressure sinker, the lower end of the lower needle plate is provided with a groove 8, and the upper end of the upper tab is engaged in the groove.

[0076] A needle plate device with constant pressure sinker, the lower side of the front end of each insert slot is provided with a toothed piece lower end positioning slot 21, and the lower end of the toothed piece is engaged in the toothed piece lower end positioning slot for positioning.

[0077] Embodiment 5 refers to Figure 1 、 1417. A needle plate device with normal pressure sinker, comprising sinker 17, needle plate 14 and insert 15, the needle plate is provided with insert slots at equal intervals, the insert and the first needle slot insert are arranged in the insert slots, the needle slot is formed between each adjacent insert and the first needle slot insert 31, the needle slot is provided with needle assembly, the needle assembly comprises needle 20, jack, three-position pusher and selector, the insert is longer than the first needle slot insert, the front of the first needle slot insert is provided with spacing piece 32 for separating two adjacent needles; the front end of the needle plate is provided with toothed edge assembly 19, the front end of each insert slot is provided with toothed edge assembly 19; the front of the insert extends upwardly to form upper tab 22, the upper end of the upper tab is provided with lower needle plate 16, the lower needle plate is provided with sinker mounting slot, the sinker body is arranged in the sinker mounting slot, the heel of the sinker is exposed outside the sinker mounting slot, the pressing part of the sinker extends into the gap 28 formed by the toothed edge assembly, the toothed edge assembly comprises two toothed edge pieces 25, the gap 28 is formed between the two toothed edge pieces, the gap is provided with protrusion 12, the limiting opening 11 of the pressing part is correspondingly matched with the protrusion 12, the front end of the spacing piece in the spacing piece slot is further provided with additional piece 24, the upper end of the additional piece extends out of the needle spacing section 30, the additional piece is provided with additional piece gasket on both sides.

[0078] A needle plate device with normal pressure sinker, the gap width is at least greater than the thickness of the pressing part.

[0079] A needle plate device with normal pressure sinker, the spacing piece 32 in the spacing piece slot is further provided with spacing piece gasket 33. The upper end of the spacing piece exceeds the upper end of the spacing piece slot.

[0080] A needle plate device with normal pressure sinker, the insert corresponding to the loop spring piece side of the needle is provided with loop spring piece accommodation hole.

[0081] A needle plate device with normal pressure sinker, the lower end of the lower needle plate is provided with groove 8, the upper end of the upper tab is clamped in the groove.

[0082] A needle plate device with normal pressure sinker, the lower side of the front end of each insert slot is provided with toothed edge piece lower end positioning slot 21, the lower end of the toothed edge piece is clamped in the toothed edge piece lower end positioning slot for positioning.

[0083] The use of spacing piece increases the thickness of the needle, avoiding the use of too thin needle due to too fine needle spacing.

[0084] Embodiment 6 refers to Figure 1 , 18 ​21. A needle plate device with normal pressure sinker, comprising sinker 17, needle plate 14 and insert 15, the needle plate is provided with a plurality of insert slots at equal intervals, the insert and the first needle slot insert are arranged in the insert slot at intervals, the needle slot 19 is formed between each adjacent insert and the first needle slot insert, the needle slot is arranged with needle assembly, the needle assembly comprises needle 20, jack, three-position pusher and selector, the insert is longer than the first needle slot insert, the insert slot in front of the first needle slot insert is provided with a spacing piece 32 for separating two adjacent needles; the front end of the needle plate is a toothed end, the toothed end is provided with a toothed assembly 19, the front end of each insert slot corresponds to a toothed assembly 19; the front part of the insert extends upwardly to form an upper tab 22, the upper end of the upper tab is provided with a lower needle plate, the lower needle plate 16 is provided with a sinker mounting slot, the sinker body is arranged in the sinker mounting slot, the heel of the sinker is exposed outside the sinker mounting slot, the yarn pressing part of the sinker extends into the gap 28 formed by the toothed assembly, the toothed assembly comprises two toothed pieces 25, there is a gap 28 between the two toothed pieces, the gap is provided with a protrusion 12, and the limiting opening 11 of the yarn pressing part is matched with the protrusion, the front end of the spacing piece in the spacing piece slot is further provided with an additional piece 24, the additional piece is provided with additional piece gaskets on both sides.

[0085] A needle plate device with normal pressure sinker, the gap width is at least greater than the thickness of the yarn pressing part.

[0086] A needle plate device with normal pressure sinker, the spacing piece 32 is further provided with a spacing piece gasket 33 in the spacing piece slot. The upper end of the spacing piece does not exceed the upper end of the spacing piece slot.

[0087] A needle plate device with normal pressure sinker, the insert corresponding to the loop forming spring piece side of the needle is provided with a loop forming spring piece accommodation hole. The upper end of the spacing piece is higher than the needle.

[0088] A needle plate device with normal pressure sinker, the upper end of the additional piece does not exceed the spacing piece slot,

[0089] A needle plate device with normal pressure sinker, the lower end of the lower needle plate is provided with a groove 8, and the upper end of the upper tab is clamped in the groove.

[0090] A needle plate device with normal pressure sinker, the front end of each insert slot is provided with a toothed piece lower end positioning groove 21, and the lower end of the toothed piece is clamped in the toothed piece lower end positioning groove for positioning.

[0091] Embodiment 7 refers to Figure 22A normal pressure sinker, comprising a sinker body 1, an elastic presser foot 2 connected to the sinker body, a sinker heel 3 and a presser bar 4, the sinker body is in the shape of a sheet, the tail of the sinker body is provided with the sinker heel receiving power, the head of the sinker body is provided with the downward presser bar, the elastic presser foot is provided in front of the sinker heel, the upper end of the elastic presser foot is provided with a normal pressure steel wire normally pressed on the upper end of the elastic presser foot, the normal pressure steel wire presses the elastic presser foot, the reaction force makes the presser bar normally downward, the sinker heel is further provided with a rotating center hole 5 below the sinker heel, the head of the sinker body is provided with a first limiting steel wire hole 6, the sinker heel rotates the sinker body around the rotating center hole under the action of power, the presser bar is provided with a presser bar port 10 at the front end of the presser bar, the presser bar port is a concave arc for pressing the yarn downward, the presser bar is further provided with a limiting port 11, which is used for cooperating with the protrusion 12 on the toothed port sheet.

[0092] A normal pressure sinker, the sinker body, the elastic presser foot and the sinker heel 3 are integrally formed.

[0093] A normal pressure sinker, the presser bar 4 is welded with the head of the sinker body.

[0094] A normal pressure sinker, the first limiting steel wire 9 is arranged in the first limiting steel wire long hole 6, and the first limiting steel wire long hole is a long circular hole.

[0095] Embodiment 8 refers to Figures 22-26 A needle plate device with a normal pressure sinker, comprising the sinker 17 of embodiment 7, a needle plate 14 and an insert sheet 15, a plurality of insert sheet grooves are provided on the needle plate at equal intervals, the insert sheet is installed in the insert sheet groove, and a needle groove 18 is formed between each adjacent insert sheet and the insert sheet, the needle groove is used for placing a needle assembly, and the needle assembly comprises a needle 20, a cam, a three-station push sheet and a selector; the front end of the needle plate is a toothed end, the toothed end is provided with a toothed assembly 19, and the front end of each insert sheet groove corresponds to one toothed assembly; the front part of the insert sheet extends upwardly to have an upper protrusion, the upper end of the upper protrusion is provided with a small needle plate, the small needle plate is provided with a sinker mounting groove, the sinker body is arranged in the sinker mounting groove, the sinker heel is exposed outside the sinker mounting groove, the presser bar of the sinker extends into the toothed assembly corresponding to the front end of the insert sheet groove, the toothed assembly comprises a toothed sheet and a gasket, a gap is formed between the protruding side of the toothed sheet and the front end side wall of the insert sheet groove, the sinker is inserted into the gap, and the limiting port of the presser bar cooperates with the protrusion of the toothed sheet; the upper end of the toothed sheet is provided with an upward extension 26, the extension corresponds to the side of the loop-expanding spring sheet of the needle, and the extension can intersect with the loop-expanding spring sheet horizontally, and the needle is controlled to swing left and right by the contact between the loop-expanding spring sheet and the extension during the movement of the needle.

[0096] A needle plate device with a normal pressure sinker, the lower end of the small needle plate is provided with a groove 8, and the upper end of the upper protrusion is clamped in the groove.

[0097] A needle plate device with normal pressure sinker, the lower side of the front end of each sinker slot is provided with a toothed piece lower end positioning groove 21, and the lower end of the toothed piece is positioned by being clamped in the toothed piece lower end positioning groove.

[0098] A needle plate device with normal pressure sinker, the sinker is provided with a loop spring piece accommodation slot corresponding to the loop spring piece side of the needle. The sinker pressing part is close to the loop spring piece of the needle on one side.

[0099] Embodiment 9 refers to Figure 27 A normal pressure sinker, comprising a sinker body 1, an elastic presser foot 2, a sinker butt 3 and a sinker pressing part 4, the sinker body is in the shape of a sheet, the tail of the sinker body is provided with a sinker butt receiving power, the head of the sinker body is provided with a downward sinker pressing part, a elastic presser foot is provided below the sinker body, one end of which is connected to the head of the sinker body, and the other end maintains a first gap with the sinker butt, the elastic presser foot has a counterforce, the head of the sinker body is provided with a first limiting steel wire hole 6, the front end of the sinker pressing part is provided with a sinker pressing port 10, which is a concave arc for pressing down the sinker yarn; the rear end of the sinker pressing part is provided with a rotating center hole 5, a positioning steel wire is passed through the rotating center hole, a limiting port 11 is provided between the front end and the rear end of the sinker pressing part, for cooperating with the protrusion 12 on the toothed piece.

[0100] A normal pressure sinker, the sinker body 1, the elastic presser foot and the sinker butt are integrally formed.

[0101] A normal pressure sinker, the sinker pressing part 4 is welded with the head of the sinker body.

[0102] A normal pressure sinker, a first limiting steel wire 9 is arranged in a first limiting steel wire long hole 6, and the first limiting steel wire long hole is a long circular hole.

[0103] A normal pressure sinker, the elastic presser foot is provided with a sinker mounting slot on the small needle plate, which drives the tail of the sinker body to be raised, so that the sinker pressing part is pressed.

[0104] Embodiment 10 refers to Figures 27-31A needle plate device with a constant pressure sinker, comprising a sinker 17, a needle plate 14 and an insert 15, the needle plate is provided with a plurality of insert grooves at equal intervals, the insert is installed in the insert groove, each adjacent insert and the insert form a needle groove 18, the needle groove is used to place a needle assembly, the needle assembly comprises a needle 20, a jack, a three-station push piece and a selector; the front end of the needle plate is a toothed end, the toothed end is provided with a toothed end assembly 19, the front end of each insert groove corresponds to a toothed end assembly; the upper end of the front part of the insert extends upwardly to form an upper tab, the upper end of the upper tab is provided with a lower needle plate, the lower needle plate is provided with a sinker mounting groove, the sinker body is placed in the sinker mounting groove, the heel part of the insert is exposed outside the sinker mounting groove, and the elastic presser foot part is constantly pressed against the sinker mounting groove of the lower needle plate, the yarn pressing part of the sinker extends into the toothed end assembly corresponding to the front end of the insert groove, the toothed end assembly comprises a toothed end tab and a gasket, a gap is formed between the protruding side of the toothed end tab and the side wall of the front end of the insert groove, the sinker is inserted into the gap, and the limiting opening of the yarn pressing part is matched with the protrusion of the toothed end tab; the upper end of the toothed end tab is provided with an upward extension segment 26, the extension segment corresponds to the side of the loop forming spring tab of the needle and can intersect the loop forming spring tab horizontally, and the needle is controlled to swing left and right by the loop forming spring tab and the extension segment when the needle moves.

[0105] A needle plate device with a constant pressure sinker, the lower side of the front end of each insert groove is provided with a toothed end tab lower end positioning groove, and the lower end of the toothed end tab is positioned by being clamped in the toothed end tab lower end positioning groove.

[0106] A needle plate device with a constant pressure sinker, the insert is provided with a loop forming spring tab accommodation groove corresponding to the side of the loop forming spring tab of the needle, and the yarn pressing part of the sinker is close to the loop forming spring tab of the needle on one side.

[0107] Embodiment 11 refers to Figure 27 , 32-36. A needle plate device with a normal pressure settling plate, comprising a settling plate 17, a needle plate 14, and insert plates 15. A plurality of insert plate slots are equally spaced on the needle plate. The insert plates and first needle groove insert plates are spaced apart and installed in the insert plate slots. Each adjacent insert plate forms a needle groove 19 with the first needle groove insert plate 31. A knitting needle assembly is placed in the needle groove. The knitting needle assembly includes a knitting needle 20, a needle guide plate, a three-position pusher plate, and a needle selector plate. The insert plate is longer than the first needle groove insert plate. The insert plate slot in front of the first needle groove insert plate has a spacer 32 for separating two knitting needles between adjacent insert plates. The front end of the needle plate is a toothed end, and the toothed end has a toothed assembly. Each insert plate slot has a corresponding toothed assembly 19 at its front end. An upwardly extending upper protrusion 22 extends from the front of the insert plate. The upper end of the upper protrusion is provided with a small needle plate, and the small needle plate 16 is provided with a sinker plate mounting groove. The sinker plate body is placed in the sinker plate mounting groove, and the heel of the plate protrudes outside the sinker plate mounting groove. The toothed assembly includes a toothed plate 25 and two gaskets 23. A gasket is attached to both sides of the toothed plate. The front end of the spacer plate is located in the spacer plate slot and is also provided with two sinker plate gaskets 29. A gap 28 is formed between the two sinker plate gaskets, and a protrusion 12 is provided. The pressing part of the sinker plate extends into the gap 28, and the limiting opening of the pressing part corresponds to and cooperates with the protrusion. The upper end of the toothed plate is provided with an upward extension section 26. The extension section corresponds to the expansion spring side of the knitting needle and can intersect with the expansion spring horizontally. When the knitting needle moves, the knitting needle swings left and right through the contact between the expansion spring and the extension section.

[0108] A needle plate device with an atmospheric pressure settling plate, wherein the gap width is at least greater than the thickness of the pressing section.

[0109] A needle plate device with an atmospheric pressure settling plate, wherein the spacer 32 is provided with a spacer pad 33 in the spacer groove. The upper end of the spacer extends beyond the upper end of the spacer groove.

[0110] A needle plate device with an atmospheric pressure sinker, wherein the insert has an expansion spring relief hole on the side corresponding to the knitting needle.

[0111] A needle plate device with atmospheric pressure settling plates, wherein the lower side of the front end of each insert slot is provided with a toothed plate lower end positioning groove 21, and the lower end of the toothed plate is engaged in the toothed plate lower end positioning groove for positioning.

[0112] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A normal pressure sinker comprising a sinker body, an elastic presser portion connected to the sinker body, a sinker heel portion, and a presser portion, the sinker body being in the form of a sinker, characterized in that: The tail of the sinker body is provided with a sinker heel part receiving power, the head of the sinker body is provided with a downward pressing part, the front of the sinker heel part is provided with an elastic presser part receiving reaction force, the upper end of the elastic presser part is provided with a constant pressure wire constantly pressing the upper end of the elastic presser part, the constant pressure wire presses the elastic presser part, the reaction force makes the pressing part constantly press downward, the sinker heel part is further provided with a rotating center hole below, the head of the sinker body is provided with a first limiting wire hole, the sinker heel part rotates around the rotating center hole under the action of power. The sinker body, the elastic presser part and the sinker heel part are integrally formed; the pressing part is welded with the head of the sinker body. The first limiting wire hole is provided with a first limiting wire, and the first limiting wire hole is a long circular hole; the rotating center hole is provided with a positioning wire; the front end of the pressing part is provided with a pressing port and a second limiting wire hole, the second limiting wire hole is located at the rear of the pressing port, and the pressing port is a concave circular arc for pressing the yarn downward; the pressing part is further provided with a limiting port for cooperating with the protrusion of the toothed port piece.

2. A needle plate device with normal pressure sinker, comprising normal pressure sinker, needle plate and insert piece, the normal pressure sinker is the normal pressure sinker of claim 1, a plurality of insert piece slots are equidistantly arranged on the needle plate, the insert piece is installed in the insert piece slot, a needle slot is formed between each adjacent insert piece and insert piece, the needle slot is used for placing a needle assembly, the needle assembly comprises a needle, a jack, a three-station push piece and a selector piece; characterized in that: The front end of the needle plate is a toothed port end, the toothed port end is provided with a toothed port assembly, and the front end of each insert piece slot corresponds to a toothed port assembly; the front part of the insert piece extends upwardly with an upper protruding piece, the upper end of the upper protruding piece is provided with a small needle plate, the small needle plate is provided with a sinker mounting slot, the sinker body is arranged in the sinker mounting slot, the sinker heel part is exposed outside the sinker mounting slot, the pressing part of the constant pressure sinker extends into the toothed port assembly corresponding to the front end of the insert piece slot, the toothed port assembly comprises a toothed port piece and a gasket, a gap is formed between the protruding side of the toothed port piece and the front end side wall of the insert piece slot, the constant pressure sinker is inserted into the gap, and the limiting port of the pressing part cooperates with the protrusion of the toothed port piece.

3. A needle plate device with normal pressure sinker, comprising normal pressure sinker, needle plate and insert piece, the normal pressure sinker is the normal pressure sinker of claim 1, a plurality of insert piece slots are equidistantly arranged on the needle plate, the insert piece is installed in the insert piece slot, a needle slot is formed between each adjacent insert piece and insert piece, the needle slot is used for placing a needle assembly, the needle assembly comprises a needle, a jack, a three-station push piece and a selector piece; characterized in that: The front end of the needle plate is a toothed port end, the toothed port end is provided with a toothed port assembly, and the front end of each insert piece slot corresponds to a toothed port assembly; the front part of the insert piece extends upwardly with an upper protruding piece, the upper end of the upper protruding piece is provided with a small needle plate, the small needle plate is provided with a sinker mounting slot, the sinker body is arranged in the sinker mounting slot, the sinker heel part is exposed outside the sinker mounting slot, the pressing part of the constant pressure sinker extends into the toothed port assembly corresponding to the front end of the insert piece slot, the toothed port assembly comprises a toothed port piece and a gasket, a gap is formed between the protruding side of the toothed port piece and the front end side wall of the insert piece slot, the constant pressure sinker is inserted into the gap, and the limiting port of the pressing part cooperates with the protrusion of the toothed port piece; the upper end of the toothed port piece is provided with an upward extending section corresponding to the loop-expanding spring piece side of the knitting needle, the upward extending section intersects with the loop-expanding spring piece horizontally, and the knitting needle moves to contact the loop-expanding spring piece and the extending section to control the left and right swing of the knitting needle.

4. A faller assembly according to claim 2 or 3, wherein: The insert piece is provided with a loop-expanding spring piece accommodation slot corresponding to the loop-expanding spring piece side of the knitting needle, and the pressing part of each constant pressure sinker is located close to the protruding side of the toothed port piece.

5. A needle plate device with normal pressure sinker, comprising normal pressure sinker, needle plate, first needle slot insert and insert, the normal pressure sinker is the normal pressure sinker of claim 1, a plurality of insert slots are equidistantly arranged on the needle plate, the insert and the first needle slot insert are arranged in the insert slots, a needle slot is formed between each adjacent insert and the first needle slot insert, a needle assembly is placed in the needle slot, the needle assembly comprises a needle, a jack, a three-position pusher and a selector, the insert is longer than the first needle slot insert, and the front of the first needle slot insert is provided with a spacer for separating two adjacent needles. Characterized in that: The front end of the needle plate is a toothed end, the toothed end is provided with a toothed assembly, the front end of each insert slot corresponds to a toothed assembly; the front part of the insert extends upward to have an upper tab, the upper end of the upper tab is provided with a small needle plate, the small needle plate is provided with a sinker mounting slot, the sinker body is arranged in the sinker mounting slot, the heel part of the insert is exposed outside the sinker mounting slot, the yarn pressing part of the normal pressure sinker extends into the gap formed by the corresponding toothed assembly, the toothed assembly comprises two toothed pieces, there is a gap between the two toothed pieces, a protrusion is arranged in the gap, and the limiting opening of the yarn pressing part is correspondingly matched with the protrusion, the insert slot at the front end of the spacing piece is further provided with an additional piece, the upper end of the additional piece extends out of the spacing section of the knitting needle, and the two sides of the additional piece are provided with additional piece gaskets.

6. A needle plate device with normal pressure sinker, comprising normal pressure sinker, needle plate, first needle slot insert and insert, the normal pressure sinker is the normal pressure sinker of claim 1, a plurality of insert slots are equidistantly arranged on the needle plate, the insert and the first needle slot insert are arranged in the insert slots, a needle slot is formed between each adjacent insert and the first needle slot insert, a needle assembly is placed in the needle slot, the needle assembly comprises a needle, a jack, a three-position pusher and a selector, the insert is longer than the first needle slot insert, and the front of the first needle slot insert is provided with a spacer for separating two adjacent needles. The front end of the needle plate is a toothed end, the toothed end is provided with a toothed assembly, the front end of each insert slot corresponds to a toothed assembly; the front part of the insert extends upward to have an upper tab, the upper end of the upper tab is provided with a small needle plate, the small needle plate is provided with a sinker mounting slot, the sinker body is arranged in the sinker mounting slot, the heel part of the insert is exposed outside the sinker mounting slot, the yarn pressing part of the normal pressure sinker extends into the gap formed by the corresponding toothed assembly, the toothed assembly comprises two toothed pieces, there is a gap between the two toothed pieces, a protrusion is arranged in the gap, and the limiting opening of the yarn pressing part is correspondingly matched with the protrusion, the insert slot at the front end of the spacing piece is further provided with an additional piece, the upper end of the additional piece extends out of the spacing section of the knitting needle, and the two sides of the additional piece are provided with additional piece gaskets.

7. A needle plate device with normal pressure sinker, comprising normal pressure sinker, needle plate, first needle slot insert and insert, the normal pressure sinker is the normal pressure sinker of claim 1, a plurality of insert slots are equidistantly arranged on the needle plate, the insert and the first needle slot insert are arranged in the insert slots, a needle slot is formed between each adjacent insert and the first needle slot insert, a needle assembly is placed in the needle slot, the needle assembly comprises a needle, a jack, a three-position pusher and a selector, the insert is longer than the first needle slot insert, and the front of the first needle slot insert is provided with a spacing piece for separating two adjacent needles. The front end of the needle plate is a toothed end, the toothed end is provided with a toothed assembly, the front end of each insert slot corresponds to a toothed assembly; the front part of the insert extends upward to have an upper tab, the upper end of the upper tab is provided with a small needle plate, the small needle plate is provided with a sinker mounting slot, the sinker body is arranged in the sinker mounting slot, the heel part of the insert is exposed outside the sinker mounting slot, the yarn pressing part of the normal pressure sinker extends into the gap formed by the corresponding toothed assembly, the toothed assembly comprises two toothed pieces, there is a gap between the two toothed pieces, a protrusion is arranged in the gap, and the limiting opening of the yarn pressing part is correspondingly matched with the protrusion, the insert slot at the front end of the spacing piece is further provided with an additional piece, the upper end of the additional piece extends out of the spacing section of the knitting needle, and the two sides of the additional piece are provided with additional piece gaskets.

8. A faller assembly according to claim 5 or 6 or 7, wherein: The gap width of the toothed assembly is greater than the thickness of the yarn pressing part.

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