A sinker for 3.5-needle computerized flat knitting machine

Abstract

The utility model discloses a sinker for a 3.5-needle computerized flat knitting machine, comprising a rod portion, a connecting portion located below the rod portion, a pressing portion arranged on one side of the mounting portion, and a mounting portion located below the connecting portion, wherein the pressing portion comprises a first transition surface, an arc surface, a concave surface, an inclined surface and a second transition surface, thereby solving the problem that when the existing sinker is used in the flat knitting machine for back-looping or needle turning, although the sinker can suppress the fabric on this side, the knitting needle will lift the fabric on this side too high when back-looping or needle turning, resulting in a large lifting angle, which will lead to back-looping failure, the relatively loose tension between the coil and the knitting needle is insufficient, so that the fabric still remains on the knitting needle, or when the needle is turned, the knitting needle on the opposite side hooks the coil below the coil that needs to be hooked, which will make the fabric scrapped, thereby increasing the cost of the factory in disguised form, and reducing the production efficiency of the factory.

Description

Technical Field

[0001] The utility model relates to the technical field of computer flat knitting machines, in particular to a sinker used for a 3.5-needle type computer flat knitting machine. Background Art

[0002] Computerized flat knitting machine is a double-needle plate latch needle weft knitting loom. Compared with ordinary knitting machines, computerized flat knitting machine is an automated machine with higher technical content in the knitting machine industry. It integrates computer digital control, electronic drive, mechanical design and other technologies. The sinker is an important component in the computerized flat knitting machine. Its function is to press down the fabric being knitted to assist the knitting needle in withdrawing the loop.

[0003] However, when the existing sinker is used in the flat knitting machine for de-looping or needle turning, although the sinker can suppress the fabric on this side, the knitting needle will lift the fabric on this side too high when de-looping or needle turning, resulting in a large lifting angle, which will cause the de-looping to fail. The tension between the coil and the knitting needle is relatively loose and insufficient, so that the fabric still remains on the knitting needle, or when the needle is turned, the knitting needle on the opposite side hooks the coil below the coil that needs to be hooked, which will make the fabric scrapped, which also increases the cost of the factory in disguised form and reduces the production efficiency of the factory. Utility Model Content

[0004] The present application provides a sinker for a 3.5-needle computerized flat knitting machine to solve the problems mentioned in the above background technology.

[0005] In the present application, a sinker for a 3.5-needle computerized flat knitting machine is provided, comprising a rod portion, a connecting portion located below the rod portion, a pressing portion provided on one side of the mounting portion, and a mounting portion located below the connecting portion, wherein the pressing portion sequentially comprises a transition surface one, an arc surface, a concave surface, an inclined surface and a transition surface two, with the rod portion being the vertical direction. In a vertical state, the horizontal distance between the leftmost end of the transition surface one and the rightmost end of the transition surface two is 3.2-3.5 mm, the vertical distance between the bottom end of the transition surface one and the top end of the transition surface two is 4.5-5 mm, the radius of the concave surface is R0.2-R0.6, and an arc groove is provided between the mounting portion and the pressing portion.

[0006] Furthermore, one end of the transition surface is tangent to the arc groove, the other end of the transition surface is tangent to the arc surface, the radius of the transition surface one is R0.5-R1, the other end of the arc surface is tangent to the left end of the concave surface, and the radius of the arc surface is R5-R6.

[0007] Furthermore, the left end of the inclined surface is tangent to the right end of the concave surface, and with the rod portion as the vertical direction, in the vertical state, the angle between the inclined surface and the rod portion is 85-90°, the right end of the inclined surface is adjacent to the left end of the second transition surface, the right end of the second transition surface is adjacent to the connecting portion, and the radius of the second transition surface is R0.5-R1.

[0008] Furthermore, the arc groove includes transition surface three, anti-slip surface one, anti-slip surface two and anti-slip surface three in sequence, the transition surface three is tangent to the mounting portion, the transition surface three is tangent to the anti-slip surface one, the anti-slip surface one is tangent to the anti-slip surface two, the anti-slip surface three is tangent to the anti-slip surface two, and the anti-slip surface three is tangent to the transition surface one.

[0009] Furthermore, the radius of the transition surface three is R1-R2, the radius of the anti-slip surface one is R11-R11.5, the radius of the anti-slip surface two is R1.5-R2, and the radius of the anti-slip surface three is R6-R6.5.

[0010] Furthermore, one side of the mounting portion is inclined, with the rod portion as the vertical direction. In the vertical state, the angle between the inclination angle of the mounting portion and the rod portion is 74-75°, and a mounting hole is provided on the mounting portion.

[0011] In summary, in the present application, a sinker for a 3.5-needle computerized flat knitting machine has the beneficial effect of better stabilizing the fabric and reducing the failure of the loop withdrawal and needle transfer during the process of the computerized flat knitting machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A three-dimensional diagram of the utility model;

[0013] Figure 2 It is the front view of the utility model;

[0014] Figure 3 It is the rear view of the utility model.

[0015] Figure numerals: 1. rod portion; 2. connecting portion; 3. pressing portion; 4. mounting portion; 5. arc groove; 6. transition surface one; 7. arc surface; 8. concave surface; 9. inclined surface; 10. transition surface two; 11. transition surface three; 12. anti-slip surface one; 13. anti-slip surface two; 14. anti-slip surface three; 15. mounting hole. DETAILED DESCRIPTION

[0016] The following is only a preferred embodiment of the present invention, and the protection scope is not limited to this embodiment. All technical solutions under the concept of the present invention should belong to the protection scope of the present invention. At the same time, it should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

[0017] like Figures 1 to 3 As shown, a sinker for a 3.5-needle computerized flat knitting machine includes a rod portion 1, a connecting portion 2 located below the rod portion 1, a pressing portion 3 is provided on one side of the connecting portion 2, and a mounting portion 4 is located below the connecting portion 2, and an arc groove 5 is opened between the pressing portion 3 and the connecting portion 2.

[0018] The pressing portion 3 includes a transition surface 1 6, an arc surface 7, a concave surface 8, an inclined surface 9 and a transition surface 2 10 in sequence. The left end of the transition surface 1 6 is tangent to the arc groove 5, the right end of the transition surface 2 10 is tangent to the left end of the arc surface 7, the right end of the arc surface 7 is tangent to the left end of the concave surface 8, the right end of the concave surface 8 is tangent to the left end of the inclined surface 9, the right end of the inclined surface 9 is tangent to the left end of the transition surface 2 10, and the right end of the transition surface 2 is tangent to the connecting portion 2.

[0019] Furthermore, the horizontal distance between the rightmost end of transition surface 1 6 and the rightmost end of transition surface 2 10 is 3.2-3.5 mm, the vertical distance between the lowest end of transition surface 1 6 and the topmost end of transition surface 2 10 is 4.5-5 mm, the radius of concave surface 8 is R0.2-R0.6, the radius of transition surface 1 6 is R0.5-R1, the radius of arc surface 7 is R5-R6, the radius of transition surface 2 10 is R0.5-R1, and with rod portion 1 as the vertical direction, in the vertical state, the angle between inclined surface 9 and rod portion 1 is 85-90°.

[0020] The arc groove 5 includes a transition surface three 11, an anti-slip surface one 12, an anti-slip surface two 13 and an anti-slip surface three 14 in sequence. The left end of the transition surface three 11 is tangent to the mounting portion 4, the right end of the transition surface three 11 is tangent to the left end of the anti-slip surface one 12, the right end of the anti-slip surface one 12 is tangent to the left end of the anti-slip surface two 13, the right end of the anti-slip surface two 13 is tangent to the left end of the anti-slip surface three 14, and the right end of the anti-slip surface three 14 is tangent to the left end of the transition surface one 6.

[0021] Furthermore, the radius of the transition surface three 11 is R1-R2, the radius of the anti-slip surface one 12 is R11-R11.5, the radius of the anti-slip surface two 13 is R1.5-R2, and the radius of the anti-slip surface three 14 is R6-R6.5.

[0022] The mounting portion 4 is inclined at a tangent plane to the transition surface 6, with the rod 1 being the vertical direction. In the vertical state, the angle between the mounting portion 4 and the rod 1 is 74-75°, and a mounting hole 15 is also provided on the mounting portion 4.

[0023] Through the above technical scheme, a pressing part 3 for pressing the opposite needle plate is arranged at the front end of the sinker. In this embodiment, the horizontal distance between the rightmost end of the transition surface 1 6 of the sinker and the rightmost end of the transition surface 2 10 and the vertical distance between the lowest end of the transition surface 1 6 and the top end of the transition surface 2 10 can just make the concave surface 8 on the pressing part 3 be stuck into the fabric of the opposite needle plate, and play an auxiliary pressing role on the fabric on the opposite side. The inclined surface 9 and the arc surface 7 of the pressing part 3 can well prevent the pressed fabric from moving left and right or the pressed fabric from escaping during the process of withdrawing or turning the needle. When the knitting needles of the computer flat knitting machine withdraw the loop or turn the needle, the sinker on this side presses the fabric on this side into the arc groove 5, and the sinker on the opposite side presses down at the same time, and the setting is utilized. The pressing part 3 at the front end of the sinker presses the fabric on the opposite side, and due to the computer flat knitting machine, the position of the sinker on the opposite side of the fabric is just in the middle of the sinker on this side and the knitting needle. When withdrawing the loop or turning the needle, if there is no assistance from the sinker on the opposite side, the knitting needle on this side will be lifted at a large angle, which will lead to failure in withdrawing the loop or when turning the needle, the knitting needle on the opposite side will hook the coil below the coil that needs to be hooked, thereby resulting in waste. With the assistance of the sinker on the opposite side, the lifting angle of the knitting needle on this side is greatly reduced, and the fabric is kept close to the knitting needle when withdrawing the loop, and the tension is sufficient, thereby increasing the success rate of withdrawing the loop. When turning the needle, due to the small lifting angle, the coil below the coil that needs to be hooked is lifted to a small extent, and it is easier to hook the required coil with the knitting needle, thereby increasing the success rate of turning the needle.

[0024] In addition, the anti-slip surface 1 12, the anti-slip surface 2 13 and the anti-slip surface 3 14 of the arc groove 5 are all in the form of arcs, which can enable the sinker to better press the fabric on this side when pressing down. Since they are all in the form of arcs, the fabric can also be better prevented from slipping out of the arc groove 5 during the process of retracting or turning the needle of the flat knitting machine.

Claims

1. A sinker for a 3.5-needle type computerized flat knitting machine, comprising a rod (1), a connecting portion (2) located below the rod (1), a pressing portion (3) provided on one side of a mounting portion (4), and a mounting portion (4) located below the connecting portion (2), characterized in that: The pressing portion (3) comprises a transition surface 1 (6), an arc surface (7), a concave surface (8), an inclined surface (9) and a transition surface 2 (10) in sequence. With the rod portion (1) as the vertical direction, in a vertical state, the horizontal distance between the leftmost end of the transition surface 1 (6) and the rightmost end of the transition surface 2 (10) is 3.2-3.5 mm, the vertical distance between the bottom end of the transition surface 1 (6) and the top end of the transition surface 2 (10) is 4.5-5 mm, the radius of the concave surface (8) is R0.2-R0.6, and an arc groove (5) is provided between the mounting portion (4) and the pressing portion (3).

2. A sinker for a 3.5-needle computerized flat knitting machine according to claim 1, characterized in that: One end of the transition surface is tangent to the arc groove (5), the other end of the transition surface is tangent to the arc surface (7), the radius of the transition surface (6) is R0.5-R1, the other end of the arc surface (7) is tangent to the left end of the concave surface, and the radius of the arc surface (7) is R5-R6.

3. The sinker for a 3.5-needle computerized flat knitting machine according to claim 2, characterized in that: The left end of the inclined surface (9) is tangent to the right end of the concave surface. With the rod portion (1) as the vertical direction, in a vertical state, the angle between the inclined surface (9) and the rod portion (1) is 85-90°. The right end of the inclined surface (9) is adjacent to the left end of the second transition surface (10). The right end of the second transition surface (10) is adjacent to the connecting portion (2). The radius of the second transition surface (10) is R0.5-R1.

4. The sinker for a 3.5-needle computerized flat knitting machine according to claim 3, characterized in that: The arc groove (5) comprises a transition surface three (11), an anti-slip surface one (12), an anti-slip surface two (13) and an anti-slip surface three (14) in sequence; the transition surface three (11) is tangent to the mounting portion (4); the transition surface three (11) is tangent to the anti-slip surface one (12); the anti-slip surface one (12) is tangent to the anti-slip surface two (13); the anti-slip surface three (14) is tangent to the anti-slip surface two (13); and the anti-slip surface three (14) is tangent to the transition surface one (6).

5. The sinker for a 3.5-needle computerized flat knitting machine according to claim 4, characterized in that: The radius of the transition surface three (11) is R1-R2, the radius of the anti-slip surface one (12) is R11-R11.5, the radius of the anti-slip surface two (13) is R1.5-R2, and the radius of the anti-slip surface three (14) is R6-R6.

5.

6. The sinker for a 3.5-needle computerized flat knitting machine according to claim 5, characterized in that: One side of the mounting portion (4) is inclined, with the rod portion (1) as the vertical direction. In a vertical state, the angle between the inclination angle of the mounting portion (4) and the rod portion (1) is 74-75°, and a mounting hole (15) is provided on the mounting portion (4).

Images