A type of flat knitting needle where the needle plate at the needle insertion position is not squeezed by the mechanical structure.

Abstract

This utility model relates to the field of flat knitting machines, specifically to a flat knitting needle where the needle flipper at the needle insertion position is not squeezed by a mechanical structure. It includes a needle bar, a needle body, and a needle flipper. A first yarn-hanging position is provided between the needle bar and the needle body. A second yarn-hanging position is provided on the needle flipper on the side of the first yarn-hanging position. A bent portion is provided on the side of the second yarn-hanging position, near the needle hook of the needle bar, causing the needle flipper to form a raised surface. During loop transfer knitting, when the needle hook of the loop-attaching needle first enters between the raised surface of the needle flipper and the needle bar, the bent portion extends out of or is already at the needle bed opening. By adopting the above solution, the raised surface of the needle flipper is protected from external pressure, improving the success rate of loop transfer needle flipping.

Description

Technical Field

[0001] This utility model relates to the field of flat knitting machines, and specifically refers to a flat knitting machine needle in which the needle plate at the needle insertion position is not squeezed by the mechanical structure. Background Technology

[0002] Computerized flat knitting machine is a double-needle plate weft knitting machine. Through the knitting head and the cam mechanism set on the cam base plate of the knitting head, the cam system drives the knitting needles set in the needle groove of the needle bed (needle plate) to move up and down along the needle groove during the reciprocating motion of the knitting head along the guide rail. With the cooperation of the cam mechanism and the tensioning mechanism, the knitting of the fabric is completed.

[0003] In a typical flat knitting machine, the loop shifter (loop shifter) used for transferring loops is located on the side of the needle body. Its end extends to the needle bar below the needle hook and forms a certain gap with the needle bar. The loop shifter is used to expand the loop when the loop is transferred between the front and rear needle beds to facilitate the insertion of the loop-connecting needle.

[0004] In its prior patent "CN120061053A", the applicant, based on its research on CN215404847U, CN217266261U, and 2024228969778, made improvements to overcome the problem that the needle flipping piece might not be able to enter between the needle flipping piece and the needle bar. The improvements created an arched, trumpet-shaped structure at the junction of the needle body and the needle bar, with the sides of the arched part being supported by the needle bar.

[0005] Based on the aforementioned technology, the applicant continued to conduct production tests and found that as the distribution of knitting needles became increasingly dense, not only did the loops suppress the needle turner, but the toothed plates or sinkers on both sides of the knitting needles also suppressed the needle turner. The loop receiving needle (the knitting needle that receives the loop) still had a probability of not being able to enter between the needle turner and the needle bar of the transfer needle (the knitting needle that provides the loop). Furthermore, the dense distribution of knitting needles also determined that it was impossible to further expand the trumpet-shaped structure to solve this problem.

[0006] Therefore, the inventors conducted further research and developed a flat knitting needle that is not squeezed by the mechanical structure at the needle insertion position, which led to this invention. Utility Model Content

[0007] The purpose of this invention is to provide a flat knitting needle in which the needle flipping plate at the needle insertion position is not squeezed by the mechanical structure, thereby further improving the success rate of the needle when performing loop insertion and transfer.

[0008] To achieve the above objectives, the technical solution of this utility model is as follows:

[0009] A flat knitting needle for a flat knitting machine, wherein the needle flipper at the needle insertion position is not squeezed by a mechanical structure, includes a needle bar, a needle body, and a needle flipper. A first yarn-hanging position is provided between the needle bar and the needle body. A second yarn-hanging position is provided on the needle flipper on the side of the first yarn-hanging position. A bent portion is provided on the side of the second yarn-hanging position in the direction of the needle flipper near the needle bar hook. The bent portion causes the needle flipper to form a raised surface. In the loop transfer knitting process, when the needle hook of the loop insertion needle first enters between the raised surface of the needle flipper and the needle bar, the bent portion extends out of or is already at the needle bed opening.

[0010] The basic structure of a knitting needle is as follows: a needle hook is provided at the end of the needle bar; the needle body is connected to the needle bar, and the width of the needle body is greater than that of the needle bar; the first yarn feeding position is located at the L-shaped bend at the junction of the needle bar and the needle body; the connecting part of the turn-over plate is provided on the needle body, and the end extends to the needle bar; when knitting or transferring loops, the knitting needle needs to be in the needle bed opening (the needle bed opening refers to the space between two needle beds, generally with the side edges of the two toothed plates as the boundary), that is, it extends from between the toothed plates or the sinker plates; in the prior art, when the needle hook of the loop-connecting needle first enters between the protrusion of the transfer needle and the needle bar, the turn-over plate is squeezed by the toothed plates or the sinker plates, which will affect the opening range of the turn-over plate relative to the needle bar. As mentioned in the background art, although a certain gap is reserved between the needle plate and the needle bar in all the prior patents, in fact, the needle plate in each technical solution is bent or deformed at the second yarn hanging position. When bending or deforming at this position, it will inevitably be squeezed by the toothed plate and other components at the vacuum of the needle bed during the first needle connection. When the knitting needles are densely distributed, this pressure will prevent the needle plate from connecting the needle smoothly, resulting in the failure of the loop transfer. After summarizing and testing the aforementioned prior patents, the applicant believes that simply changing the open structure between the needle plate and the needle bar is not enough to fundamentally overcome this technical problem. Therefore, the above technical solution was developed, so that the part of the needle plate that needs to maintain space is not squeezed by the toothed plate and other components during needle connection, and at the same time, the influence of the yarn on the needle plate at the first and second yarn hanging positions can be avoided, thereby maximizing the space required for the needle plate to connect the needle.

[0011] Furthermore, without the pressure of the coil, one side of the first yarn hanging position is attached to one side of the second yarn hanging position, or both sides of the first yarn hanging position are attached to both sides of the second yarn hanging position.

[0012] Due to the design of the flip-up needle plate, the height of the needle body or needle bar on the side of the first yarn hanging position is lower than that of the other parts. This would cause the flip-up needle plate to tend to be squeezed. However, after the improvement of this solution, the flip-up needle plate does not need to be squeezed inward. The sides of the first and second yarn hanging positions can always be kept in close contact, and the entry of the looping needle will not be affected.

[0013] Furthermore, the first yarn hanging position is flush with the surface of the needle body and the side of the needle plate facing the needle plate.

[0014] The technical effects to be achieved by this solution are the same as those mentioned above.

[0015] Furthermore, when the hook of the looping needle first enters between the raised surface of the looping needle flipping plate and the needle bar, the toothed plate or sinker plate does not squeeze or apply pressure to the raised surface.

[0016] Furthermore, the angle between the crease of the bend and the width direction of the needle bar or needle body is 5-40°.

[0017] Furthermore, the angle between the direction of the fold line of the bent part and the direction of the circular edge of the toothed piece on the same side at the needle bed opening is between 0 and 5°.

[0018] Furthermore, the direction of the fold line of the bent part is consistent with the direction of the circular edge of the toothed piece on the same side at the needle bed opening.

[0019] The crease of the bend and the circular edge of the toothed plate are consistent in shape, which can minimize the deformation of the bend caused by the compression of the two side parts.

[0020] By adopting the above solution, this utility model has the following advantages compared with the prior art:

[0021] Through continuous improvement and testing of the flat knitting needles, we have ensured that, while maintaining the original functions of the needles, the success rate of needles in joining and shifting loops has been further improved under increasingly demanding work conditions. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the transfer and connection of the pin in an embodiment of this utility model;

[0023] Figure 2 yes Figure 1 A magnified view of a section at point A in the middle;

[0024] Figure 3 This is a diagram showing the knitting needle at the needle bed opening;

[0025] Label Explanation

[0026] Needle bar 1, needle body 2, first yarn feeding position 3

[0027] 4. Flipped piece, 41. Bending part, 42.

[0028] Second yarn hanging position 5, toothed edge 6, loop edge 61, sinker 7, needle bed opening 8. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0030] A flat knitting needle for a flat knitting machine, wherein the needle flipper at the needle insertion position is not squeezed by a mechanical structure, includes a needle bar 1, a needle body 2, and a needle flipper 4. A first yarn loading position 3 is provided between the needle bar 1 and the needle body 2. (See reference) Figure 1 , Figure 2 As shown, the first yarn hanging position 3 has an arc-shaped structure. The second yarn hanging position 5 is set on the needle flipping piece 4 on the side of the first yarn hanging position 3. When the needle flipping and shifting, when the shifting needle (that is, the knitting needle on the left in the figure) is at its highest position, the yarn is placed on the first yarn hanging position 3 and the second yarn hanging position 5 due to the pressing action of the sinker piece 7 and other components.

[0031] On the side of the second yarn hanging position 5, in the direction of the needle hook of the needle flipping piece 4 near the needle bar 1, there is a bent part 41. The bent part 41 bends outward so that the part of the needle flipping piece 4 at the needle bar 1 forms a raised surface 42. The direction of the bending crease of the bent part 41 is consistent with the direction of the looped edge 61 of the toothed piece 6 at the needle bed opening 8 on the same side. (Reference) Figure 3 As shown (settling plate 7 can swing in an arc), Figure 3 The sinker 7 is in its initial state and has not been pressed out. That is, in the transfer knitting, when the hook of the (right) receiving needle first enters between the protruding surface 42 of the (left) transfer needle flipping plate 4 and the needle bar 1, the bent part 41 extends out of the needle bed opening 8 or is already in the needle bed opening 8. It will not be affected by the yarn hanging on the first yarn hanging position 3 and the second yarn hanging position 5, nor will it be affected by the toothed plates 6 on both sides or the sinker 7.

[0032] Preferably, the surface of the first yarn hanging position 3 facing the needle flipper 4 is flush with the surface of the needle body 2, that is, the part where the second yarn hanging position 5 of the needle flipper 4 is located is in close contact. When the needle flipper 4 is squeezed by external force, the part where the first yarn hanging position 3 is located supports the needle flipper 4 and will not deform, so that the pressure will not be transmitted to the protruding surface 42 of the needle flipper 4. The above multiple structural designs are all to ensure that the protruding surface 42 of the needle flipper 4 is not affected, thereby ensuring the success rate of needle transfer.

[0033] The above are merely specific embodiments of this utility model. Furthermore, terms such as "upper," "lower," "left," "right," and "middle" used in this utility model are for reference only and are not absolute limitations. Any non-substantial modifications made to this utility model shall be considered as infringing upon the protection scope of this utility model.

Claims

1. A flat knitting needle for a flat knitting machine where the needle plate at the needle insertion position is not squeezed by a mechanical structure, characterized in that: It includes a needle bar, a needle body, and a turning plate. A first yarn-hanging position is provided between the needle bar and the needle body. A second yarn-hanging position is provided on the turning plate on the side of the first yarn-hanging position. A bent part is provided on the side of the second yarn-hanging position in the direction of the turning plate near the needle bar hook. The bent part makes the turning plate form a raised surface. In the transfer knitting, when the hook of the looping needle first enters between the raised surface of the turning plate of the transfer needle and the needle bar, the bent part extends out of the needle bed or is already at the needle bed opening.

2. The flat knitting needle according to claim 1, wherein the needle plate at the needle insertion position is not subjected to mechanical compression, is characterized in that: Without the pressure of the coil, one side of the first yarn hanging position is in contact with one side of the second yarn hanging position, or both sides of the first yarn hanging position are in contact with both sides of the second yarn hanging position.

3. A flat knitting needle according to claim 1 or 2, wherein the needle plate at the needle insertion position is not subjected to mechanical compression, characterized in that: The first yarn hanging position is on the side closest to the needle flipper, with the surface facing the needle flipper and the surface of the needle body flush.

4. A flat knitting needle according to claim 3, wherein the needle plate at the needle insertion position is not subjected to mechanical compression, characterized in that: When the hook of the looper needle first enters between the raised surface of the looper needle flipper and the needle bar, the toothed plate or sinker plate does not squeeze or apply pressure to the raised surface.

5. A flat knitting needle according to claim 2, wherein the needle plate at the needle insertion position is not subjected to mechanical compression, characterized in that: The angle between the crease of the bend and the width of the needle bar or needle body is 5-40°.

6. A flat knitting needle according to claim 2 or 4, wherein the needle plate at the needle insertion position is not subjected to mechanical compression, characterized in that: The angle between the direction of the fold line of the bend and the direction of the circular edge of the toothed piece on the same side at the needle bed opening is between 0 and 5°.

7. A flat knitting needle according to claim 2 or 4, wherein the needle plate at the needle insertion position is not subjected to mechanical compression, characterized in that: The direction of the fold line at the bend is consistent with the direction of the circular edge of the toothed piece on the same side at the needle bed opening.

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