阅读说明：本技术 常压式沉降片机构及电脑横机 (Constant-pressure sinker mechanism and computerized flat knitting machine ) 是由 安勇强 韩徐斌 俞惠钟 钟佳明 张锋 王靖敏 于 2019-12-17 设计创作，主要内容包括：本发明涉及一种常压式沉降片机构及电脑横机,沉降片机构包括针板、插片和沉降片、异形簧,针板上设置有插片槽,插片安装在插片槽中,沉降片包括支撑部、压线部和压脚部；异形簧安装在支撑部上,并且其一端向上伸出；位于齿口端的插片上设置有用于容纳安装圆弧形支撑部、且呈圆弧形的支撑部容纳槽,以及设置有用于对异形簧进行限位的异形簧定位面,以及设置用于容纳压脚部且对压脚部进行限位的压脚部限位槽,支撑部能绕其中心轴线旋转地安装在支撑部容纳槽中。沉降片的压线部始终保持有一种柔性压力使旧线圈处于被压的状态之下,不会出现目前市场上横机所广泛采用沉降片利用刚性压力压线圈而导致线圈压断形成残次品的现象。(The invention relates to a constant-pressure sinker mechanism and a computerized flat knitting machine, wherein the sinker mechanism comprises a needle plate, an inserting piece, a sinker and a special-shaped spring, wherein the needle plate is provided with an inserting piece groove, the inserting piece is arranged in the inserting piece groove, and the sinker comprises a supporting part, a pressing part and a pressing foot part; 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.)

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.

Technical Field

The invention relates to the field of computerized flat knitting machines, in particular to a normal pressure type sinker mechanism and a 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 usually adopted in the existing flat knitting machine has the defects of inconsistent looping height and poor fabric quality due to unreasonable structural design, and in addition, the existing sinker adopts rigid pressure to press down a coil, so that the old coil is easily broken to form defective products, and therefore, the existing sinker mechanism needs to be improved and optimized.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a normal pressure type sinker mechanism which has reasonable structural design, can always press a fabric coil on a finished fabric and is not easy to generate a floating ring, and a computerized flat knitting machine with the normal pressure type sinker mechanism.

The technical scheme adopted by the invention for solving the problems is as follows: 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 invention also provides a computerized flat knitting machine which is characterized in that: the normal pressure type sinker mechanism is provided.

Compared with the prior art, the invention has the following advantages and effects:

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 inventive effort.

Fig. 1 is a schematic perspective view of a sinker mechanism according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of an explosive structure of a sinker mechanism according to an embodiment of the present invention.

FIG. 3 is a schematic view of the end of the insert of the embodiment of the present invention.

Fig. 4 is a schematic structural view of a sinker in an embodiment of the present invention.

FIG. 5 is a schematic view showing the mounting positions of a sinker, a needle guard and a 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 below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.