CN211734640U - Normal pressure formula sinker mechanism and computerized flat knitting machine - Google Patents
Normal pressure formula sinker mechanism and computerized flat knitting machine Download PDFInfo
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- CN211734640U CN211734640U CN201922278048.XU CN201922278048U CN211734640U CN 211734640 U CN211734640 U CN 211734640U CN 201922278048 U CN201922278048 U CN 201922278048U CN 211734640 U CN211734640 U CN 211734640U
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Abstract
The utility model relates to a normal pressure formula sinker mechanism and computerized flat knitting machine, sinker mechanism include faller, inserted sheet and sinker, special-shaped spring, are provided with the inserted sheet groove on the faller, and the inserted sheet is installed in the inserted sheet groove, and the sinker includes supporting part, line ball portion and presser foot portion; the shaped spring is arranged on the supporting part, and one end of the shaped spring extends upwards; be located to be provided with on the inserted sheet of tooth mouth end and be used for holding the convex supporting part of installation, and be convex supporting part holding tank to and be provided with and be used for carrying out spacing shaped spring locating surface to shaped spring, and set up and be used for holding the presser foot portion and carry out spacing presser foot portion spacing groove to the presser foot portion, the supporting part can be installed in the supporting part holding tank around its central axis rotatoryly. The thread pressing part of the sinker always keeps a flexible pressure to enable the old coil to be in a pressed state, and the phenomenon that the thread is pressed to be broken to form defective products due to the fact that the sinker presses the coil by utilizing rigid pressure widely adopted by flat knitting machines in the market at present can be avoided.
Description
Technical Field
The utility model relates to a computerized flat knitting machine field, specifically say, relate to a normal pressure formula sinker mechanism and computerized flat knitting machine.
Background
The sinkers of the computerized flat knitting machine are used for pressing down knitted fabrics in knitting to assist the knitting needles to retreat loops, the sinkers of the two needle beds can be opened in a rotating mode relative to the needle bed openings to give way for looping, and closing, bending, looping and drawing in the knitting process are facilitated. The sinker that usually adopts among the existing flat-bed machine appears the looping height and is inconsistent because structural design is unreasonable, and the fabric quality is poor, and current sinker adopts rigid pressure to push down the coil in addition, presses apart the formation wastrel with old coil easily, consequently, needs to improve and optimize current sinker mechanism.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design reasonable, can press the fabric coil on the fabric has become all the time, be difficult for producing the atmospheric pressure formula sinker mechanism that floats the circle to and have the computerized flat knitting machine of this atmospheric pressure formula sinker mechanism.
The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a normal pressure formula sinker mechanism, includes faller, inserted sheet and sinker, the front end of faller is the tooth mouth end, its characterized in that: the sinker comprises a needle plate and a sinker, wherein the needle plate is provided with a row of inserting sheet grooves which are uniformly spaced, the inserting sheets are arranged in the inserting sheet grooves, and the sinker comprises a circular arc-shaped supporting part, and a line pressing part and a foot pressing part which are respectively connected to two ends of the supporting part; the shaped spring is arranged on the supporting part, and one end of the shaped spring extends upwards; the special-shaped spring positioning surface is positioned above the supporting part accommodating groove, and the foot pressing part limiting groove is positioned at one end, far away from the tooth opening end, of the supporting part accommodating groove; the supporting part can be rotatably installed in the supporting part accommodating groove around the central axis of the supporting part, when the supporting part is installed in the supporting part accommodating groove, the end, extending upwards, of the special-shaped spring abuts against the locating surface of the special-shaped spring, the pressing part extends forwards from the front end of the inserting piece, the pressing part is located in the limiting groove of the pressing part, and the pressing part of the sinker is kept under the pressure of pressing downwards by the pressure of the locating surface of the special-shaped spring facing the special-shaped spring.
Preferably, the sinker mechanism further comprises a knitting needle guard and a knitting needle spacer, one sinker is provided with the knitting needle guard and the knitting needle spacer, and the knitting needle guard is positioned between the knitting needle spacer and the sinker; the lower space of the knitting needle spacer is used for placing a knitting needle, one part of the front end of the knitting needle guard sheet extends forwards from the front end of the insertion sheet, a knitting needle guide groove seat used for guiding the forward and backward movement of the knitting needle is connected to the side part of the extending part, and when the knitting needle is arranged in the lower space of the knitting needle spacer, the front end of the knitting needle is located in the knitting needle guide groove seat.
Preferably, the inserted sheet passes through inserted sheet location steel wire and installs in the inserted sheet groove of faller, and inserted sheet location steel wire restriction inserted sheet is followed the inserted sheet groove back-and-forth movement.
Preferably, a second positioning steel wire and a pressing piece are further arranged above the needle plate, all the inserting pieces on the needle plate penetrate through the second positioning steel wire, one ends of the knitting needle protecting piece and the knitting needle spacer are clamped on the second positioning steel wire, the pressing piece is arranged on the inserting pieces, the knitting needle protecting piece and the knitting needle spacer and presses the inserting pieces, the knitting needle protecting piece and the knitting needle spacer, and the inserting pieces, the knitting needle protecting piece and the knitting needle spacer are prevented from moving up and down.
Preferably, the foot pressing part is divided into a thick section, a transition connecting section and a thin section from the connecting part of the foot pressing part and the supporting part; when the supporting part is installed in the supporting part accommodating groove, the thin section of the foot pressing part is located in the foot pressing part limiting groove, when the supporting part rotates forwards to a limit position in the supporting part accommodating groove around the central axis of the supporting part, the upper surface of the thin section abuts against the top surface of the foot pressing part limiting groove, and when the supporting part rotates backwards to the limit position in the supporting part accommodating groove around the central axis of the supporting part, the lower surface of the thin section abuts against the bottom surface of the foot pressing part limiting groove.
Preferably, the sinker is formed integrally, the thickness of the pressure line portion is smaller than that of the support portion, and a pressure line port with a downward opening is formed below the front end of the pressure line portion.
The utility model discloses in still provide a computerized flat knitting machine, its characterized in that: the normal pressure type sinker mechanism is provided.
Compared with the prior art, the utility model, have following advantage and effect:
1. under the action of the special-shaped spring and the positioning surface of the special-shaped spring, the wire pressing part of the sinker always keeps a flexible pressure to enable the old coil to be in a pressed state, and the phenomenon that the sinker is widely used in flat knitting machines in the market at present and presses the coil by utilizing rigid pressure to cause the coil to be broken to form defective products can not occur;
2. the pressure foot part of the sinker is limited by the pressure foot part limiting groove, when the supporting part rotates forwards to a limiting position in the supporting part accommodating groove around the central axis of the supporting part, the upper surface of the thin section abuts against the top surface of the pressure foot part limiting groove, and when the supporting part rotates backwards to the limiting position in the supporting part accommodating groove around the central axis of the supporting part, the lower surface of the thin section abuts against the bottom surface of the pressure foot part limiting groove, so that the rotating angle of the sinker is controllable, the looping height can be effectively controlled, uniform coils with uniform size can be formed under a certain looping density, and the quality of the braided fabric is improved;
3. the constant-pressure sinker mechanism adopts a constant-pressure line pressing mode, the fabric coil is always pressed on the formed fabric, a floating ring is not easy to generate, and the occurrence of the hole breaking phenomenon on the fabric is reduced; because the old coil is pressed all the time, the floating ring phenomenon is reduced, the phenomena of damaged needles and needle punching are also greatly reduced, the machine maintenance rate is reduced, and the production efficiency is improved.
Drawings
In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic perspective view of a sinker mechanism according to an embodiment of the present invention.
Fig. 2 is an explosion structure diagram of a sinker mechanism according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of an end portion of an insert in an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a sinker in the embodiment of the present invention.
Fig. 5 is a schematic view of the installation positions of the sinker, the needle guard and the needle spacer in the embodiment of the present invention.
Fig. 6 is a schematic front view of a sinker according to an embodiment of the present invention.
Fig. 7 is a schematic structural view of a needle guard in an embodiment of the present invention.
Description of reference numerals:
a needle plate 1, a knitting needle 2,
An inserting piece 3, a supporting part containing groove 31, a shaped spring positioning surface 32, a foot pressing part limiting groove 33,
The sinker 4, the shaped spring 41, the supporting part 42, the line pressing part 43, the leg pressing part 44, the line pressing port 431, the thick section 441, the transition connecting section 442, the thin section 443, the thin section,
A knitting needle guard 5, a knitting needle guide groove seat 51,
A knitting needle spacer 6, a spring needle 7,
Inserted sheet location steel wire 8, No. two location steel wire 9, compressing tightly piece 10.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples are given.
See fig. 1-7.
The embodiment discloses a normal pressure type sinker mechanism in a computerized flat knitting machine, which comprises a needle plate 1, an inserting piece 3, a sinker 4, a special-shaped spring 41, a knitting needle guard piece 5 and a knitting needle spacer 6. The needle plates 1 are usually arranged in pairs in front and back, opposite ends of the front needle plate and the back needle plate, namely the front ends of the needle plates, are tooth mouth ends, a row of insert grooves with uniform intervals are arranged on the needle plates 1, an insert piece 3 is arranged in each insert groove, and a space for mounting a sinker 4, a knitting needle guard piece 5, a knitting needle spacer 6 and a knitting needle 2 is formed between two adjacent insert pieces.
In this embodiment, the sinker 4 is integrally formed, and includes a support portion 42 in the shape of an arc, and a line pressing portion 43 and a leg pressing portion 44 respectively connected to two ends of the support portion 42; the wire spring 41 is mounted on the support portion 42, and one end thereof protrudes upward. The thickness of the pressure line part 43 is smaller than that of the support part 42, and a pressure line opening 431 with a downward opening is arranged below the front end of the pressure line part 43.
In this embodiment, be provided with on the inserted sheet 3 that is located the tooth mouth end and be used for holding installation convex supporting part 42, and be convex supporting part holding tank 31, and be provided with and be used for carrying out spacing shaped spring locating surface 32 to shaped spring 41, and set up and be used for holding presser foot portion 44 and carry out spacing presser foot portion spacing groove 33 to presser foot portion 44, shaped spring locating surface 32 is located the top position of supporting part holding tank 31, presser foot portion spacing groove 33 is located the one end that supporting part holding tank 31 kept away from the tooth mouth end.
In this embodiment, the support portion 42 is rotatably mounted in the support portion receiving groove 31 about the central axis thereof, when the support portion 42 is mounted in the support portion receiving groove 31, the end of the shaped spring 41 extending upward abuts against the shaped spring positioning surface 32, the wire pressing portion 43 extends forward from the front end of the inserting piece 3, the leg pressing portion 44 is located in the leg pressing portion limiting groove 33, and the pressing force of the shaped spring positioning surface 32 on the shaped spring 41 keeps the wire pressing portion 43 of the sinker 4 pressed downward. Under the action of the shaped spring 41 and the shaped spring positioning surface 32, the pressing part 43 of the sinker 4 always keeps a flexible pressure to enable the old coil to be in a pressed state, and the phenomenon that the coil is pressed to be broken to form defective products due to the fact that the sinker presses the coil by using rigid pressure widely adopted by flat knitting machines in the market at present can be avoided.
In the present embodiment, the foot pressing portion 44 is divided into a thick section 441, a transition connecting section 442 and a thin section 443 from the connection with the supporting portion 42; when the support portion 42 is mounted in the support portion receiving groove 31, the thin section 443 of the foot pressing portion 44 is located in the foot pressing portion limiting groove 33, when the support portion 42 is rotated forward about its central axis in the support portion receiving groove 31 to a limit position, the upper surface of the thin section 443 abuts at the top surface of the foot pressing portion limiting groove 33, and when the support portion 42 is rotated backward about its central axis in the support portion receiving groove 31 to a limit position, the lower surface of the thin section 443 abuts at the bottom surface of the foot pressing portion limiting groove 33. Therefore, the rotation angle of the sinker 4 is controllable, that is, the crimping openings 431 are limited at a certain uniform height, the looping height can be effectively controlled, uniform and uniform coils can be formed under a certain looping density, and the quality of the braided fabric is improved.
In this embodiment, a sinker 4 is provided with a needle guard 5 and a needle spacer 6, and the needle guard 5 is located between the needle spacer 6 and the sinker 4; a space below the needle spacer 6 is used for placing a knitting needle, a part of the front end of the needle guard 5 is protruded forward from the front end of the insertion piece 3, and a needle guide groove seat 51 for guiding the forward and backward movement of the knitting needle is connected to the side of the protruded part, and when the knitting needle is installed in the space below the needle spacer 6, the front end of the knitting needle is located in the needle guide groove seat 51.
In this embodiment, inserted sheet 3 passes through inserted sheet location steel wire 8 to be installed in the inserted sheet groove of faller 1, and inserted sheet location steel wire 8 restricts inserted sheet 3 along the back-and-forth movement of inserted sheet groove. A second positioning steel wire 9 and a pressing sheet 10 are further arranged above the needle plate 1, all the inserting sheets 3 on the needle plate 1 penetrate through the second positioning steel wire 9, one ends of the knitting needle guard sheet 5 and the knitting needle spacer 6 are clamped on the second positioning steel wire 9, the pressing sheet 10 is installed on the inserting sheets 3, the knitting needle guard sheet 5 and the knitting needle spacer 6, the inserting sheets 3, the knitting needle guard sheet 5 and the knitting needle spacer 6 are all pressed, and the inserting sheets 3, the knitting needle guard sheet 5 and the knitting needle spacer 6 are prevented from moving up and down.
In this embodiment, the rear portion of the knitting needle 2 is connected with the spring needle 7, when the sinker 4 feeds the yarn, the spring needle 7 drives the knitting needle 2 to retreat towards the end far away from the needle plate tooth mouth under the action of the knitting triangle, at this time, a new loop on the knitting needle 2 drives the sinker 4 to rotate anticlockwise, the yarn pressing portion 43 is lifted upwards, a new coil can conveniently enter the yarn pressing opening 431, the yarn feeding is finished, the sinker 4 rotates clockwise, and the yarn pressing portion 43 presses the coil downwards.
The normal pressure type sinker mechanism adopts a normal pressure line pressing mode, the fabric coil is always pressed on the formed fabric, a floating ring is not easy to generate, and the occurrence of the hole breaking phenomenon on the fabric is reduced; because the old coil is pressed all the time, the floating ring phenomenon is reduced, the phenomena of damaged needles and needle punching are also greatly reduced, the machine maintenance rate is reduced, and the production efficiency is improved.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the patent idea of the utility model are included in the protection scope of the patent of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides a normal pressure formula sinker mechanism, includes faller (1), inserted sheet (3) and sinker (4), the front end of faller (1) is the tooth mouth end, its characterized in that: the needle plate (1) is provided with a row of insert grooves with uniform intervals, the inserts (3) are arranged in the insert grooves, and the sinker (4) comprises a circular arc-shaped supporting part (42), and a line pressing part (43) and a foot pressing part (44) which are respectively connected to two ends of the supporting part (42); the shaped spring (41) is mounted on the support portion (42), and one end thereof protrudes upward; the inserting piece (3) positioned at the tooth mouth end is provided with a supporting part accommodating groove (31) which is used for accommodating and installing a circular arc-shaped supporting part (42) and is circular arc-shaped, a special-shaped spring positioning surface (32) which is used for limiting the special-shaped spring (41), and a foot pressing part limiting groove (33) which is used for accommodating the foot pressing part (44) and limiting the foot pressing part (44), wherein the special-shaped spring positioning surface (32) is positioned above the supporting part accommodating groove (31), and the foot pressing part limiting groove (33) is positioned at one end of the supporting part accommodating groove (31) far away from the tooth mouth end; the supporting part (42) is rotatably arranged in the supporting part accommodating groove (31) around the central axis of the supporting part, when the supporting part (42) is arranged in the supporting part accommodating groove (31), the end, extending upwards, of the special-shaped spring (41) abuts against the special-shaped spring positioning surface (32), the line pressing part (43) extends forwards from the front end of the inserting sheet (3), the leg pressing part (44) is positioned in the leg pressing part limiting groove (33), and the pressure of the special-shaped spring positioning surface (32) on the special-shaped spring (41) enables the line pressing part (43) of the sinker (4) to keep the pressure of pressing lines downwards.
2. A normal pressure sinker mechanism according to claim 1, wherein: the knitting needle structure is characterized by further comprising a knitting needle guard piece (5) and a knitting needle spacer piece (6), wherein a sinker (4) is provided with the knitting needle guard piece (5) and the knitting needle spacer piece (6), and the knitting needle guard piece (5) is positioned between the knitting needle spacer piece (6) and the sinker (4); the lower space of the knitting needle spacer (6) is used for placing a knitting needle, one part of the front end of the knitting needle guard sheet (5) extends forwards from the front end of the insertion sheet (3), a knitting needle guide groove seat (51) used for guiding the back and forth movement of the knitting needle is connected to the side part of the extending part, and when the knitting needle is arranged in the lower space of the knitting needle spacer (6), the front end of the knitting needle is positioned in the knitting needle guide groove seat (51).
3. A normal pressure sinker mechanism according to claim 1, wherein: the inserting sheet (3) is installed in an inserting sheet groove of the needle plate (1) through an inserting sheet positioning steel wire (8), and the inserting sheet positioning steel wire (8) limits the inserting sheet (3) to move back and forth along the inserting sheet groove.
4. A normal pressure sinker mechanism according to claim 1, wherein: the needle plate structure is characterized in that a second positioning steel wire (9) and a pressing sheet (10) are further arranged above the needle plate (1), all inserting sheets (3) on the needle plate (1) penetrate through the second positioning steel wire (9), one ends of the knitting needle protecting sheets (5) and the knitting needle spacers (6) are clamped on the second positioning steel wire (9), the pressing sheet (10) is installed on the inserting sheets (3), the knitting needle protecting sheets (5) and the knitting needle spacers (6), the inserting sheets (3), the knitting needle protecting sheets (5) and the knitting needle spacers (6) are all pressed, and the inserting sheets (3), the knitting needle protecting sheets (5) and the knitting needle spacers (6) are prevented from moving up and down.
5. A normal pressure sinker mechanism according to claim 1, wherein: the foot pressing part (44) is divided into a thick section (441), a transition connecting section (442) and a thin section (443) from the connecting part of the foot pressing part and the supporting part (42); when the support part (42) is mounted in the support part accommodating groove (31), the thin section (443) of the press part (44) is located in the press part limiting groove (33), when the support part (42) is rotated forward to a limit position in the support part accommodating groove (31) around its central axis, the upper surface of the thin section (443) abuts against the top surface of the press part limiting groove (33), and when the support part (42) is rotated backward to a limit position in the support part accommodating groove (31) around its central axis, the lower surface of the thin section (443) abuts against the bottom surface of the press part limiting groove (33).
6. A normal pressure sinker mechanism according to claim 1, wherein: the sinker (4) is integrally formed, the thickness of a line pressing part (43) of the sinker is smaller than that of the supporting part (42), and a line pressing port (431) with a downward opening is arranged below the front end of the line pressing part (43).
7. A computerized flat knitting machine is characterized in that: the normal pressure type sinker mechanism according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922278048.XU CN211734640U (en) | 2019-12-17 | 2019-12-17 | Normal pressure formula sinker mechanism and computerized flat knitting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922278048.XU CN211734640U (en) | 2019-12-17 | 2019-12-17 | Normal pressure formula sinker mechanism and computerized flat knitting machine |
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| Publication Number | Publication Date |
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| CN211734640U true CN211734640U (en) | 2020-10-23 |
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| CN201922278048.XU Active CN211734640U (en) | 2019-12-17 | 2019-12-17 | Normal pressure formula sinker mechanism and computerized flat knitting machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863291A (en) * | 2019-12-17 | 2020-03-06 | 桐乡市强隆机械有限公司 | Constant-pressure sinker mechanism and computerized flat knitting machine |
| CN112760797A (en) * | 2020-12-30 | 2021-05-07 | 连云港元丰机械制造有限公司 | Novel high-density needle disc |
| CN115573088A (en) * | 2022-10-28 | 2023-01-06 | 浙江睿丰智能科技有限公司 | Sinker structure |
| CN110863291B (en) * | 2019-12-17 | 2024-06-04 | 桐乡市强隆机械有限公司 | Normal pressure sinker mechanism and computerized flat knitting machine |
-
2019
- 2019-12-17 CN CN201922278048.XU patent/CN211734640U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863291A (en) * | 2019-12-17 | 2020-03-06 | 桐乡市强隆机械有限公司 | Constant-pressure sinker mechanism and computerized flat knitting machine |
| CN110863291B (en) * | 2019-12-17 | 2024-06-04 | 桐乡市强隆机械有限公司 | Normal pressure sinker mechanism and computerized flat knitting machine |
| CN112760797A (en) * | 2020-12-30 | 2021-05-07 | 连云港元丰机械制造有限公司 | Novel high-density needle disc |
| CN115573088A (en) * | 2022-10-28 | 2023-01-06 | 浙江睿丰智能科技有限公司 | Sinker structure |
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