CN113174690B - Single-foot all-round type yarn pressing device for circular weft knitting machine - Google Patents
Single-foot all-round type yarn pressing device for circular weft knitting machine Download PDFInfo
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- CN113174690B CN113174690B CN202110247693.4A CN202110247693A CN113174690B CN 113174690 B CN113174690 B CN 113174690B CN 202110247693 A CN202110247693 A CN 202110247693A CN 113174690 B CN113174690 B CN 113174690B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/24—Sinker heads; Sinker bars
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Abstract
The invention discloses a single-foot all-round type yarn presser for a circular weft knitting machine, which relates to the field of mechanical parts of the circular weft knitting machine and comprises a yarn pressing component and a fixed support, wherein the yarn pressing component is in an integrally formed sheet shape and comprises: the yarn pressing part is used for pressing yarn and is prismatic or cylindrical; the upper end of the yarn pressing connecting part is connected to the left side of the yarn pressing part, the connecting part is an arc guide angle, and the lower surface of the arc guide angle is in a slope shape with the thickness gradually decreasing from the inner edge to the outer edge; the supporting part is a polygon with upper and lower bottom edges parallel to the yarn pressing part, left and right sides are symmetrical and provided with concave guide angles, and the supporting part and the yarn pressing part are parallel to form a rectangular cavity; the fixed support is an integrally formed support, is connected with the supporting part and is used for fixing the yarn pressing assembly. The invention can realize yarn pressing under the condition of not influencing the simultaneous needle-out work of the dial and the needle cylinder, and can avoid needle striking during knitting, thereby improving the knitting efficiency; simple structure, and is favorable for popularization and use.
Description
Technical Field
The invention relates to the field of mechanical parts of circular weft knitting machines, in particular to a single-foot all-round type yarn presser for a circular weft knitting machine.
Background
At present, when the number of a knitting machine is larger than 12 needles, the space between two needle beds is generally within 3 mm, and the knitting machine can meet the knitting requirements of common weft knitting structures within the space, but when the double-sided circular weft knitting machine is used for knitting spaced fabrics, particularly when the space between two surface layers of the fabrics is larger, the existing machine only draws by the action of a drawing and winding mechanism, the loop withdrawing action of a knitting needle cannot be ensured, particularly the loop withdrawing of a lower needle, and therefore the normal looping knitting cannot be realized. In order to solve the above problem, patent CN1271267C proposes a knitting method, that is, at least one path exists in each complete stopping loop, and a single-foot full-function type yarn presser for pressing yarns is installed between the gaps of the two needle beds corresponding to the whole time of the loop withdrawing stage, and the single-foot full-function type yarn presser is located at the back of the two needle beds and presses the yarns crossing the two needle beds formed by the last knitting, so as to ensure that the loop withdrawing action of the knitting needles on the knitting path is completed. However, the effect of the prior yarn pressing piece only exists on one side, namely the yarn pressing piece only acts on the dial or the needle cylinder, when the needle cylinder acts on the dial coil, the needle cylinder cannot work by withdrawing the needles, and when the needle cylinder acts on the needle cylinder coil, the needle cylinder cannot work by withdrawing the needles.
Disclosure of Invention
In order to solve the technical problems, the invention provides a single-foot all-round type yarn presser for a circular knitting machine, which can simultaneously act on original loops of a dial and a needle cylinder under the condition of not influencing the simultaneous needle withdrawing work of the dial and the needle cylinder, and ensures that the previous work loops keep a stable state under the action of the yarn presser to participate in current knitting. The yarn pressing part is detachably connected with the connecting part, the position of the yarn pressing part relative to the connecting part can be adjusted front and back, left and right, and up and down, front and back and left and right relative to a circular weft knitting machine, and the yarn pressing part can effectively avoid firing pins through the arrangement of the inclined plane guide angle, so that the weaving efficiency is improved.
A single-foot all-round type yarn pressing device for a circular weft knitting machine comprises a yarn pressing component and a fixed bracket, wherein,
the yarn pressing component is in an integrally formed sheet shape, has a certain thickness, preferably the thickness is not less than 1mm, and comprises:
the yarn pressing part is positioned above the yarn pressing component, is prismatic or cylindrical, is placed at the needle back of a dial knitting needle of a circular weft knitting machine, the needle back of a needle cylinder knitting needle and an area cavity formed at three positions above a needle head at the flat opening of the needle cylinder when in use, and keeps a safe distance with the three positions, namely is positioned at the safe position of the area cavity so that the yarn pressing part can normally press yarn to work.
A yarn pressing connection part, the width of which is not less than the height of the yarn pressing part; the upper end of the yarn pressing part is vertically connected with the left side of the yarn pressing part, the connecting part is an arc guide angle, and the lower surface of the arc guide angle is in a slope shape with the thickness gradually decreasing from the inner edge to the outer edge;
the supporting part is a polygon with upper and lower bottom edges parallel to the yarn pressing part, left and right sides are symmetrical and provided with concave guide angles, the upper bottom edge of the supporting part is connected with the lower end of the yarn pressing connecting part, and the width of the outer edge of the supporting part is smaller than that of a triangular base of a needle cylinder of a circular knitting machine, so that the supporting part and the yarn pressing part form a stable working table; the supporting part and the yarn pressing part are parallel to form a rectangular cavity, the rectangular cavity is in a shape of a right side opening or a right side and a top right side part opening, the opening is used for moving the knitted yarn out of the rectangular cavity, the opening height on the right side of the rectangular cavity is not lower than the length of a needle latch of a knitting needle, namely, a distance is reserved between the opening height and the tail end of the needle latch, and the rectangular cavity is prevented from colliding with the needle latch when a loop is withdrawn;
the rectangular cavity is used for providing a space for knitting needle looping, the height of the rectangular cavity is greater than the highest point of needle outlet of a dial of a circular weft knitting machine, and the width of the rectangular cavity is greater than the needle lifting width of the circular weft knitting machine, so that the safety of knitting and yarn pressing sheets is protected, and needle striking is avoided;
In the present description, the width and height of each part of the yarn pressing unit refer to the width of the yarn pressing unit and the height of the yarn pressing unit, respectively, by taking the extending direction of the yarn pressing unit as an X-axis coordinate, the extending direction perpendicular to the yarn pressing unit as a Y-axis coordinate, and the distance of the X-axis as the height.
The fixed support is an integrally formed support, is connected with the supporting part and is used for fixing the yarn pressing assembly; the connection mode is detachable connection or integral connection; when the yarn presser is integrally connected, the upper position, the lower position, the left position and the right position of the yarn presser can be adjusted through the connection of the fixing bracket and the circular weft knitting machine; when the yarn pressing device is detachably connected, the front and back and left and right positions of the yarn pressing device can be adjusted through the connection of the supporting part and the connecting part, and the up and down and left and right positions of the yarn pressing device can be adjusted through the connection of the fixing bracket and the circular weft knitting machine.
Further, the fixed bolster with the supporting part can be dismantled and be connected, including the support connecting portion and the fixed part that are the L type and connect.
Furthermore, the connecting part of the fixing bracket is connected with the supporting part through a screw, and the relative position of the connecting part and the supporting part can be adjusted in the front-back direction and the left-right direction. Furthermore, the width of the bracket connecting part is smaller than that of the upper edge of the supporting part, and at least one group of horizontally arranged limiting holes or limiting grooves are arranged, and the limiting holes or limiting grooves of each group of bracket connecting part correspond to the limiting grooves of the supporting part in position and are fixedly connected through screws; the number of the limiting holes in each group is at least two;
The fixing part is used for connecting the support connecting part and the circular weft knitting machine, is connected with the lower bottom edge of the support connecting part and forms an included angle M, the range of the M is more than 0 degree and not more than 90 degrees, and the extending direction of the M is the opposite direction of the support part; the included angle between the yarn pressing component and the needle cylinder wall of the circular weft knitting machine is S which is equal to the value M.
Furthermore, the lower surface of the arc guide angle is in a slope shape with the height decreasing from at least Lmm away from the inner edge to the outer edge, wherein L is larger than 0 and smaller than the width of the yarn pressing connecting part, the included angle between the lower surface and the upper surface of the arc guide angle is N, and the range of N is 20-30 degrees.
Further, the support connecting part of the fixed support and the fixed part form an included angle M of 90 degrees, and the thickness of the fixed support is larger than that of the yarn pressing assembly.
Furthermore, the fixing part is provided with a plurality of through holes for connecting with the outer side wall of the cylinder triangular cutting block of the circular weft knitting machine through screws, and the position of the yarn pressing component can be adjusted up and down.
Furthermore, the fixing part is provided with a through groove for connecting with the outer side wall of the cylinder triangular cutting block of the circular weft knitting machine through a screw, and the position of the yarn pressing component can be adjusted up and down.
Furthermore, the limiting groove that the supporting part set up is for with the parallel stripe structure of side about the supporting part, it is used for through screw locking support connecting portion with the position of yarn pressing assembly can be adjusted to the front and back.
Furthermore, the support connecting part is provided with two groups of limiting holes which are arranged in the horizontal direction and provided with internal threads, and the limiting holes are used for locking the support connecting part and the supporting part through screws and adjusting the position of the yarn pressing component in a left-right mode.
Furthermore, the yarn pressing assembly and the fixing support are both made of metal materials.
Further, the material of the yarn pressing assembly is steel, and the material of the fixing support is steel or cast iron. In order to prevent the metal from rusting and corroding in the using process, the surface of the fixing bracket can be coated with a chemical agent such as paint.
Compared with the prior art, the invention has the beneficial effects that:
the invention can simultaneously act on the original loops of the dial and the needle cylinder under the condition of not influencing the simultaneous needle withdrawing work of the dial and the needle cylinder, and ensure that the previous work loops keep a stable state under the action of the yarn presser to participate in the current knitting;
2, through the design of the slope of the bottom surface of the arc guide angle, the needle collision in the weaving process is effectively avoided, and the stability and the efficiency of weaving are improved;
3 the position of the yarn pressing component can be adjusted front and back, left and right, and the applicability of the yarn pressing device to equipment is improved.
4 the product simple structure, and need not reequip circular weft knitting machine alright installation, the cost is lower, and is economical and practical, does benefit to the popularization.
Drawings
Fig. 1 is a schematic front overall structure diagram of a single-foot all-round type yarn presser according to an embodiment of the present invention;
fig. 2 is a schematic view of the entire back structure of a single-foot all-round type yarn presser according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the lower surface of a yarn pressing assembly according to an embodiment of the present invention, wherein fig. 3A is a schematic structural view of embodiment 1, and fig. 3B is another schematic structural view of embodiment 1;
FIG. 4 is a schematic structural diagram of a yarn pressing assembly according to an embodiment of the present invention, wherein FIG. 4A is a schematic structural diagram of embodiment 1, and FIG. 4B is another schematic structural diagram of embodiment 1;
FIG. 5 is a right side view of the rounded chamfer according to FIG. 3A;
fig. 6 is a schematic structural view of a fixing bracket according to embodiment 2 of the present invention, in which fig. 6A is a schematic structural view of embodiment 2, and fig. 6B is another schematic structural view of embodiment 2;
FIG. 7 is a bottom view of the fixing bracket of FIG. 6, wherein FIG. 7A is the structural diagram of embodiment 2; FIG. 7B is another schematic structural view of embodiment 2;
Fig. 8 is a side view of the fixing bracket of fig. 6, wherein fig. 8A is a structural view of embodiment 2, and fig. 8B is another structural view of embodiment 2.
Detailed Description
To further illustrate the present invention, the present invention will be further explained with reference to the following examples and accompanying drawings.
Example 1
As shown in fig. 1 and fig. 2, the invention provides a single-foot all-round type yarn presser for a circular weft knitting machine, which comprises a yarn pressing component 1 and a fixed bracket 2, wherein,
the yarn pressing component 1 is an integrally formed sheet and comprises:
the prismatic or cylindrical yarn pressing part 10 is positioned above the yarn pressing component 1 and used for pressing yarn, in order to avoid firing pins, the section diameter of the yarn pressing part 10 of the yarn pressing component 1 does not exceed the needle back of a dial knitting needle, the needle back of the needle cylinder knitting needle and the diameter of an area cavity formed by a needle head at the flat opening of the needle cylinder, a safety distance is reserved, the firing pins are prevented, and meanwhile, the section diameter of the yarn pressing part 10 is not excessively small so as to ensure that the yarn pressing part has rigidity and strength required by yarn pressing; the side length or diameter range of the cross section can be selected to be a proper numerical range after being integrated according to the model of the circular weft knitting machine and the rigidity and the strength of the material for manufacturing the yarn pressing part 10, in the embodiment, the thickness of the cross section is 1-1.5mm, and the height of the cross section is 1-1.5 mm;
A yarn pressing connection part 11 connecting the yarn pressing part 10 and the support part 12, the width part of which is not less than the height of the yarn pressing part 10; the upper end of the upper end is vertically connected to the left side of the yarn pressing part 10, the connection part is an arc-shaped guide angle 110, the lower surface of the arc-shaped guide angle 110 is in a slope shape with the thickness gradually decreasing from the inner edge to the outer edge, and the firing pin in the weaving process is prevented; the width of the yarn pressing connecting part 11 is generally larger than the length or diameter of the cross section of the yarn pressing part 10 to provide a strong rigid supporting force and prevent the yarn pressing part 10 from shifting in the yarn pressing process, so the rigidity and strength of the yarn pressing connecting part are increased by increasing the width of the yarn pressing connecting part, and the width of the yarn pressing connecting part 11 in the embodiment is 3 mm; the lower surface of the arc guide angle 110 is shown in fig. 3A, the slope on the back of the arc guide angle 110 can be only a joint, the lower surface of the arc guide angle can also be shown in fig. 3B, the slope penetrates through the height of the whole yarn pressing connecting part 11, the anti-firing pin effect can be realized, the side structure of the arc guide angle 110 is shown in fig. 5, in order to avoid the reduction of the thickness of the yarn pressing connecting part 11 caused by the slope and further influence the rigidity and the strength of the yarn pressing connecting part, the lower surface of the arc guide angle 110 is in a slope shape with the height gradually reduced from a position at least 1mm away from the inner edge to the outer edge, the arc guide angle 110 has a better anti-firing pin effect, and the preferred range of an included angle N between the lower surface and the upper surface of the arc guide angle 110 is 20-30 degrees.
The supporting part 12 is a quadrangle with upper and lower bottom edges parallel to the yarn pressing part 1, symmetrical left and right sides and provided with an inward concave type guide angle 120, the upper bottom edge of the supporting part is vertically connected with the lower end of the yarn pressing connecting part 11, and the width of the outer edge of the supporting part is smaller than that of the triangular base of the needle cylinder of the circular knitting machine; and the supporting part 12 and the yarn pressing part 10 form a rectangular cavity 13 in parallel, as shown in fig. 4A, the rectangular cavity 13 is in a shape of opening at the right side, the opening is used for the knitted yarn to move out of the rectangular cavity 13, the height of the opening at the right side of the rectangular cavity 13 is not less than the length of the latch of the knitting needle, namely, a distance is reserved between the right side of the rectangular cavity 13 and the tail end of the latch, and the collision between the right side of the rectangular cavity 13 and the latch during the loop withdrawal is prevented; to facilitate the knocking over, the width of the presser 10 is smaller than the width of the upper bottom surface of the support part 12, and as shown in fig. 4B, the rectangular cavity 13 may further increase the top right opening. The rectangular cavity 13 is used for providing a space for knitting needle looping, the height of the rectangular cavity is greater than the highest point of needle discharging of a dial of a circular weft knitting machine, and the width of the rectangular cavity is greater than the needle lifting width of the circular weft knitting machine, so that needle striking is avoided; meanwhile, as shown in fig. 3 and 4, in order to facilitate the adjustment of the position of the support portion 12 and the yarn pressing assembly 1 relative to the fixing bracket 2, a limiting groove 121 is provided on the support portion 12, which is a strip-shaped structure parallel to the left and right sides of the support portion 12 and is used for continuously adjusting the position of the support portion 12.
The fixing support 2 is an integrally formed support, is connected with the supporting part 12, and is used for fixing the position of the yarn pressing assembly 1 on the circular weft knitting machine.
When the yarn pressing device is used, the fixing support 2 is fixed on a circular weft knitting machine, an included angle of not more than 90 degrees is formed between the upper surface of the yarn pressing component 1 and the side wall of a needle cylinder of the circular weft knitting machine, so that the yarn pressing part 10 is positioned behind a knitting needle to press yarns, the knitting needle completes knitting in the rectangular cavity 13, the knitted yarns move out of the rectangular cavity 13 from an opening on the right side of the rectangular cavity 13, and the next group of knitting continues in the rectangular cavity 13.
Example 2
In order to better fix the yarn pressing assembly 1 on the circular knitting machine, the fixing bracket is completed on the premise of the embodiment 1. As shown in fig. 1 and fig. 2, the overall structure of the present embodiment is schematically illustrated. In this embodiment, the fixing bracket 2 is detachably connected to the supporting portion 12, and the fixing bracket 2 includes a bracket connecting portion 20 and a fixing portion 21 connected in an L-shape, wherein,
the support connecting part 20 is smaller than the width of the upper edge of the supporting part 12, so that the supporting part 12 and the yarn pressing machine can be conveniently overlapped and fixed, and is provided with at least one group of horizontally arranged limiting holes 200, and each group of limiting holes 200 corresponds to the position of the limiting groove 121 of the supporting part 12 and is fixedly connected through screws; the number of the limiting holes 200 in each group is at least two;
A fixing portion 21 for connecting the support connection portion 20 and a circular knitting machine, which is connected to a lower bottom edge of the support connection portion 20 and forms an included angle M, the range of M is greater than 0 ° and not greater than 90 °, and the extending direction thereof is the opposite direction to the support portion 12; when the fixing part 21 is connected to the side wall of the dial of the circular knitting machine, the yarn pressing part 10 of the yarn pressing assembly 1 contacts with the needle cylinder wall of the circular knitting machine to form an included angle S which is equal to the value M, so that the yarn pressing of the yarn pressing part 10 and the position fixing of the yarn pressing assembly 1 are realized.
Considering the yarn pressing effect and the stability of the position of the yarn pressing assembly 1 comprehensively, as shown in fig. 8A, an included angle M between the support connecting part 20 of the fixing support 2 and the fixing part 21 is 90 °, at this time, the yarn pressing part 10 contacts with the needle cylinder wall of the circular knitting machine and forms an included angle of 90 °, and in order to ensure the strength and rigidity of the fixing support 2, the thickness of the fixing support 2 is greater than that of the yarn pressing assembly 1. As shown in fig. 8B, the included angle M may also be an acute angle of 45 °.
In this embodiment, the position of the yarn pressing assembly 1 can also be adjusted by the fixing portion 21: as shown in fig. 6A, the fixing portion 21 is provided with a plurality of through holes 210 arranged along the extending direction thereof, the through holes 210 are used for connecting with the outer side wall of the cylinder cam block of the circular knitting machine through screws on one hand and adjusting the height of the yarn pressing assembly 1 relative to the cylinder disk mouth of the circular knitting machine on the other hand; as shown in fig. 6B, the fixing portion 21 is provided with a through groove 211 along the extending direction thereof for connecting with the cylinder cam outer side wall of the circular knitting machine by a screw and continuously adjusting the height of the pressing yarn connecting portion 11 with respect to the cylinder dial of the circular knitting machine.
To further facilitate the adjustment of the position of the yarn pressing assembly 1, as shown in fig. 7A and 7B, the bracket connecting portion 20 is provided with two or three sets of horizontally arranged limiting holes 200 for adjusting the left and right displacement of the supporting portion 12. The limiting hole 200 is used in cooperation with the limiting groove 121 to adjust the displacement of the yarn pressing component 1 in each direction in the plane of the yarn pressing component to match the position of a knitting needle, so that the yarn pressing effect is realized, and the needle striking is avoided.
In order to ensure the rigidity and the strength of the single-foot all-round type yarn presser, the yarn pressing component 1 and the fixing support 2 are both made of rigid materials such as metal materials, for example, the yarn pressing component 1 is made of steel, and the fixing support 2 is made of steel or cast iron.
The through holes 210, the through grooves 211, the limiting holes 200 and the limiting grooves 121 are used for adjusting the installation positions of the single-pin all-round type yarn presser, and the arrangement direction and the installation number of the limiting grooves can be adjusted according to needs to meet the position adjusting requirements, for example, the limiting grooves are of strip-shaped structures which are smooth to the upper edge and the lower edge of the supporting part 12 and can adjust the positions of the supporting parts left and right, and meanwhile, the limiting holes 200 are arranged in the vertical direction and can adjust the positions of the supporting parts left and right.
It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", "front", "back", "side" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience and simplicity of description of the present invention, and do not indicate or imply that the devices or elements shown must have specific orientations or positional relationships, and thus, the present invention is not to be construed as being limited thereto. The term "connected" in the present invention is to be understood as a broad connection, for example, a mechanical connection, an electrical connection, or a connection between elements, which may be a direct connection, or an indirect connection via an intermediary. The meaning of the above terms in the present invention can be specifically understood by those skilled in the art according to the actual circumstances.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a circular weft knitting machine is with omnipotent type yarn ware of singlefoot which characterized in that: comprises a yarn pressing component (1) and a fixed bracket (2), wherein,
the yarn pressing component (1) is in an integrally formed sheet shape and comprises:
the yarn pressing part (10) is positioned above the yarn pressing component (1), is prismatic or cylindrical, is placed at the needle back of a knitting triangular dial knitting needle of a circular weft knitting machine, the needle back of a needle cylinder knitting needle and a safe position of an area cavity formed at the upper part of a needle head at the flat opening of the needle cylinder when in use, and is used for pressing yarn;
a yarn pressing connection part (11) having a width not less than the height of the yarn pressing part (10); the upper end of the yarn pressing part is vertically connected to the left side of the yarn pressing part (10), the connecting part is an arc-shaped guide angle (110), and the lower surface of the arc-shaped guide angle (110) is in a slope shape with the thickness gradually decreasing from the inner edge to the outer edge;
the supporting part (12) is a polygon with upper and lower bottom edges parallel to the yarn pressing part (10), left and right sides are symmetrical and provided with concave guide angles (120), the upper bottom edge is connected with the lower end of the yarn pressing connecting part (11), the width of the outer edge of the supporting part is smaller than that of a triangular base of a circular knitting machine needle cylinder, and the supporting part is parallel to the yarn pressing part (10) and forms a rectangular cavity (13); the rectangular cavity (13) is used for providing a space for knitting a knitting needle to form a loop, the height of the rectangular cavity is greater than the highest point of needle withdrawing of a dial of a circular weft knitting machine, and the width of the rectangular cavity is greater than the needle raising width of the circular weft knitting machine;
The diameter of the cross section of the yarn pressing part (10) does not exceed the diameter of an area cavity formed by the needle back of a dial knitting needle, the needle back of a needle cylinder knitting needle and the flat opening of the needle cylinder; the rectangular cavity (13) is in a shape of an opening at the right side, and the height of the opening at the right side is not less than the length of the latch of the knitting needle;
the fixed support (2) is an integrally formed support, is connected with the supporting part (12) and is used for fixing the yarn pressing assembly (1).
2. The circular weft knitting machine single foot full function type yarn presser according to claim 1, characterized in that: the fixed support (2) is detachably connected with the supporting part (12) and comprises a support connecting part (20) and a fixed part (21) which are connected in an L shape.
3. The circular weft knitting machine single foot full function type yarn presser according to claim 2, characterized in that: the fixed support (2) is connected with the supporting part (12) through screws, and the relative position of the fixed support and the supporting part can be adjusted in a front-back and left-right mode.
4. The circular weft knitting machine single foot full function type yarn presser according to claim 3, characterized in that: the bracket connecting part (20) is smaller than the width of the upper edge of the supporting part (12) in width, and is provided with at least one group of horizontally arranged limiting holes (200), and each group of limiting holes (200) correspond to the limiting groove (121) of the supporting part (12) in position and are fixedly connected through screws; the number of the limiting holes (200) in each group is at least two;
The fixing part (21) is used for connecting the support connecting part (20) and a circular weft knitting machine, is connected with the lower bottom edge of the support connecting part (20) and forms an included angle M, the range of the M is more than 0 degree and not more than 90 degrees, and the extending direction of the M is the opposite direction of the connecting direction of the support part (12); the included angle between the yarn pressing component (1) and the needle cylinder wall of the circular weft knitting machine is S, and the included angle is equal to M.
5. The circular weft knitting machine-use singlefoot full-function type presser according to any one of claims 1 to 4, characterized in that: the lower surface of the arc guide angle (110) is in a slope shape with the height gradually decreasing from at least Lmm away from the inner edge to the outer edge, wherein L is larger than 0 and smaller than the width of the yarn pressing connecting part (11), the included angle between the lower surface and the upper surface of the arc guide angle (110) is N, and the range of N is 20-30 degrees.
6. The circular weft knitting machine-use singlefoot full-function type presser according to any one of claims 2 to 4, characterized in that: the angle M between the support connecting part (20) of the fixed support (2) and the fixed part (21) is 90 degrees, and the thickness of the fixed support (2) is larger than that of the yarn pressing assembly (1).
7. The circular weft knitting machine single foot full function type yarn presser according to claim 6, characterized in that: the fixing part (21) is provided with a plurality of through holes (210) which are used for being connected with the outer side wall of the cylinder triangular cutting block of the circular weft knitting machine through screws and can adjust the position of the yarn pressing connecting part (11) up and down.
8. The single-foot full-function type yarn presser for a circular weft knitting machine according to claim 6, characterized in that: the fixing part (21) is provided with a through groove (211) which is used for being connected with the outer side wall of the cylinder triangular cutting block of the circular weft knitting machine through a screw and can adjust the position of the yarn pressing component (1) up and down.
9. The circular weft knitting machine single foot full function type yarn presser according to claim 7 or 8, characterized in that: the limiting groove (121) arranged on the supporting part (12) is of a strip-shaped structure parallel to the left side and the right side of the supporting part (12), and is used for locking the bracket connecting part (20) and the supporting part (12) through screws and adjusting the position of the supporting part (12) in the front and back directions.
10. The circular weft knitting machine single foot full function type yarn presser according to claim 9, characterized in that: the bracket connecting part (20) is provided with two groups of limiting holes (200) which are arranged in the horizontal direction and provided with internal threads, and the limiting holes are used for locking the bracket connecting part (20) and the supporting part (12) through screws and adjusting the left and right positions of the supporting part (12).
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| CN202110247693.4A CN113174690B (en) | 2021-03-06 | 2021-03-06 | Single-foot all-round type yarn pressing device for circular weft knitting machine |
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| CN202110247693.4A CN113174690B (en) | 2021-03-06 | 2021-03-06 | Single-foot all-round type yarn pressing device for circular weft knitting machine |
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| CN113174690B true CN113174690B (en) | 2022-07-29 |
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| JP2013067907A (en) * | 2011-09-22 | 2013-04-18 | Hakuryu Kikaisho Kofun Yugenkoshi | Stitch depression pressure mechanism of flat knitting machine, and sinker of the same |
| CN211471751U (en) * | 2019-12-31 | 2020-09-11 | 厦门兴全龙机械有限公司 | Yarn pressing sheet |
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| CN101041919A (en) * | 2007-04-16 | 2007-09-26 | 常熟市国盛针织机械厂 | Knitting head of computer flat machine and matching mechanism for yarn pressing device |
| JP2013067907A (en) * | 2011-09-22 | 2013-04-18 | Hakuryu Kikaisho Kofun Yugenkoshi | Stitch depression pressure mechanism of flat knitting machine, and sinker of the same |
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|---|---|
| CN113174690A (en) | 2021-07-27 |
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