Base plate structure of pre-selection needle three-system flat knitting machine

Abstract

The utility model relates to the technical field of flat knitting machines, and discloses a pre-selection needle three-system flat knitting machine bottom plate structure which comprises a bottom plate (1), a working part, a needle pushing part and a needle selecting part are arranged on the bottom plate (1), the working part comprises a protection mountain (2), the needle pushing part comprises a needle raising triangle (3), the needle raising triangle (3) is located below the protection mountain (2), the upper portion of the needle raising triangle (3) is provided with a needle raising protrusion (31), and the needle raising protrusion (31) is located below the protection mountain (2). The lower part of the guard (2) is provided with a guard groove (21), and the guard groove (21) is matched with the needle raising projection (31). The flat knitting machine bottom plate structure is provided with the three triangle systems, each system can be provided with a yarn guide to feed yarn, the knitting efficiency is improved, the height of the needle raising triangle can be adjusted, and the flat knitting machine bottom plate structure is suitable for various needle types. The knitting stability is improved when the needle butt is switched to the contour of the protection cam through the contour movement of the needle raising cam in the knitting process through the cooperation of the protection cam and the needle raising cam.

Description

Technical Field

[0001] The utility model relates to the technical field of flat knitting machines, in particular to a bottom plate structure of a preselecting needle three-system flat knitting machine. Background Art

[0002] In the currently commonly used bottom plate structure, usually one or two systems are provided. The knitting machine head moves, and the triangular outer contour in each system contacts the needle heel to push the knitting needle upward. Driven by the knitting machine head, the color-changing seats corresponding to each system can drive the yarn guide to move, pull out the yarn, and feed the yarn into the knitting needle through the yarn guide. The triangular outer contour of the knitting machine head contacts the needle heel to push the knitting needle downward, and the knitting needle completes looping. Increasing the number of systems can increase the knitting efficiency. With the rapid development of the textile industry, the demand for textiles by people is also increasing. Therefore, increasing the knitting efficiency of flat knitting machines has become an irresistible trend. The above-mentioned bottom plate structure uses one or two systems for knitting and cannot meet the market demand. Content of the Utility Model

[0003] The utility model aims at the defects in the prior art and provides a bottom plate structure of a preselecting needle three-system flat knitting machine.

[0004] In order to solve the above technical problems, the utility model is solved by the following technical solutions:

[0005] A bottom plate structure of a preselecting needle three-system flat knitting machine includes a bottom plate, on which a working part, a needle-pushing part, and a needle-selecting part are provided. The working part, the needle-pushing part, and the needle-selecting part are respectively in contact and cooperation with a connecting needle, a spring needle, and a needle selector installed in the needle groove of the flat knitting machine. The working part includes a mountain guard, the needle-pushing part includes a needle-raising triangle, the needle-raising triangle is located below the mountain guard, the upper part of the needle-raising triangle is a needle-raising protrusion, and a mountain guard groove is provided at the lower part of the mountain guard. The mountain guard groove cooperates with the needle-raising protrusion.

[0006] Preferably, the mountain guard groove is an upwardly arched triangular groove, and the needle-raising protrusion is an upwardly protruding triangular groove.

[0007] Preferably, the apex angle of the cross section of the needle-raising protrusion is greater than 90°.

[0008] Preferably, the mountain guard includes a mountain guard piece, and the mountain guard groove is located on the lower end surface of the mountain guard piece.

[0009] Preferably, the thickness of the mountain guard piece is less than the thickness of the needle-raising protrusion.

[0010] Preferably, the needle-pushing part further includes a return triangle located below the needle-raising triangle. An installation groove is provided at the upper end of the return triangle, and the lower part of the needle-raising triangle is fitted into the installation groove and installed on the return triangle.

[0011] Preferably, the installation groove is a vertically arranged upper-opening groove, and the needle-raising triangle cooperates with the inner wall of the installation groove and moves up and down.

[0012] Preferably, the working part, the needle pushing part and the needle selecting part are distributed vertically to form a triangular system. There are at least three groups of triangular systems provided on the bottom plate, and each group of triangular systems is arranged horizontally along the bottom plate.

[0013] Preferably, the working part of each triangular system includes a density guide pin, a density triangle, a herringbone triangle, a purl triangle, a purl guide block and guards on the left and right sides of the above components. The working parts of two adjacent triangular systems share an intermediate guard, and working ends are provided on both the left and right sides of the intermediate guard; the needle pushing part of each triangular system includes a middle mountain guide block, a butterfly mountain and a needle lifting triangle and a return triangle on the left and right sides of the above components. The needle pushing parts of two adjacent triangular systems share an intermediate needle lifting triangle and an intermediate return triangle, and working ends are provided on both the left and right sides of the intermediate needle lifting triangle and the intermediate return triangle; the needle pushing part of each triangular system further includes a needle selecting guard and needle selecting triangles on the left and right sides of the needle selecting guard. The needle pushing parts of two adjacent triangular systems share an intermediate needle selecting triangle, and working ends are provided on both the left and right sides of the intermediate needle selecting triangle; the needle selecting part of each triangular system includes a needle lifting triangle and a needle pushing triangle and a lower needle selecting triangle on the left and right sides of the above components. The needle selecting parts of two adjacent triangular systems share an intermediate lower needle selecting triangle, and working ends are provided on both the left and right sides of the intermediate lower needle selecting triangle.

[0014] Due to the adoption of the above technical solutions, the utility model has remarkable technical effects: the flat knitting machine bottom plate structure of the utility model is provided with three triangular systems. Each system can feed yarn with a yarn guide to increase the knitting efficiency. The height of the needle lifting triangle is adjustable and applicable to various needle types. The cooperation between the guard and the needle lifting triangle increases the stability of knitting when the needle heel moves through the contour of the needle lifting triangle and switches to the contour of the guard during the knitting process. Description of the Drawings

[0015] Figure 1 is a structural schematic diagram of the utility model.

[0016] Figure 2 is a partial enlarged view of the utility model.

[0017] The names of the parts referred to by the numerical labels in the drawings are as follows: 1-bottom plate, 2-guard, 3-needle lifting triangle, 4-return triangle, 5-density guide pin, 6-needle lifting triangle, 7-density triangle, 8-herringbone triangle, 9-purl triangle, 10-purl guide block, 11-middle mountain guide block, 12-butterfly mountain, 13-needle selecting triangle, 14-needle selecting guard, 15-lower needle selecting triangle, 16-needle pushing triangle, 20-intermediate guard, 21-guard groove, 22-guard piece, 30-intermediate needle lifting triangle, 31-needle lifting protrusion, 40-intermediate return triangle, 41-installation groove, 130-intermediate needle selecting triangle, 150-intermediate lower needle selecting triangle. Detailed Embodiment

[0018] The present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0019] Embodiment 1

[0020] A bottom plate structure of a preselecting needle three-system flat knitting machine, as shown in the figure, includes a bottom plate 1. A working part, a needle pushing part, and a needle selecting part are provided on the bottom plate 1. The working part, the needle pushing part, and the needle selecting part are respectively in contact and cooperation with a connecting needle, a spring needle, and a needle selector installed in the needle grooves of the flat knitting machine. The working part includes a mountain guard 2. The needle pushing part includes a needle raising triangle 3. The needle raising triangle 3 is located below the mountain guard 2. The upper part of the needle raising triangle 3 is a needle raising protrusion 31. A mountain guard groove 21 is provided at the lower part of the mountain guard 2. The mountain guard groove 21 cooperates with the needle raising protrusion 31.

[0021] The mountain guard groove 21 is an upwardly arched triangular groove, and the needle raising protrusion 31 is an upwardly protruding triangular protrusion.

[0022] The upper part of the adjustable needle raising triangle 3 is provided with a triangular needle raising protrusion 31. The outer shapes of the mountain guard grooves 21 and the needle raising protrusion 31 are complementary, which increases the stability of knitting when the needle heels move through the contour of the needle raising triangle 3 and switch to the contour of the mountain guard 2 during the knitting process. At the same time, the function of adjusting the height of the needle raising triangle 3 is set, and the height of the knitting needle when the needle heel passes through the needle raising triangle 3 can be adjusted to be suitable for a variety of needle types.

[0023] Embodiment 2

[0024] The same as Embodiment 1, except that the apex angle of the cross-section of the needle raising protrusion 31 is greater than 90°.

[0025] Embodiment 3

[0026] The same as Embodiment 1, except that the mountain guard 2 includes a mountain guard piece 22, and the mountain guard groove 21 is located on the lower end surface of the mountain guard piece 22.

[0027] The thickness of the mountain guard piece 22 is less than the thickness of the needle raising protrusion 31.

[0028] Embodiment 4

[0029] The same as Embodiment 1, except that the needle pushing part further includes a return triangle 4 located below the needle raising triangle 3. An installation groove 41 is provided at the upper end of the return triangle 4. The lower part of the needle raising triangle 3 is fitted with the installation groove 41 and is installed on the return triangle 4.

[0030] The installation groove 41 is a vertically arranged upper-opening groove, and the needle raising triangle 3 cooperates with the inner wall of the installation groove 41 and moves up and down.

[0031] A return triangle 4 is provided below the knitting start triangle 3. The return triangle 4 is provided with an upward installation groove 41 that can accommodate the knitting start triangle 3. The knitting start triangle 3 is arranged within the installation groove 41 of the return triangle 4 limited by the two side positioning surfaces, enabling more accurate adjustment of the height position of the knitting start triangle 3.

[0032] Embodiment 5

[0033] Same as Embodiment 1, except that the working part, the needle pushing part, and the needle selection part are distributed vertically and form a triangle system. At least three groups of the triangle systems are provided on the bottom plate 1, and each group of the triangle systems is arranged horizontally along the bottom plate 1.

[0034] The working part of each triangle system includes density guide pins 5, density triangles 7, herringbone triangles 8, purl triangles 9, purl guide blocks 10, and guard mountains 2 on the left and right sides of the above components. The working parts of two adjacent triangle systems share an intermediate guard mountain 20, and working ends are provided on both the left and right sides of the intermediate guard mountain 20; the needle pushing part of each triangle system includes middle mountain guide blocks 11, butterfly mountains 12, and knitting start triangles 3 and return triangles 4 on the left and right sides of the above components. The needle pushing parts of two adjacent triangle systems share an intermediate knitting start triangle 30 and an intermediate return triangle 40, and working ends are provided on both the left and right sides of the intermediate knitting start triangle 30 and the intermediate return triangle 40; the needle pushing part of each triangle system further includes a needle selection guard mountain 14 and needle selection triangles 13 on the left and right sides of the needle selection guard mountain 14. The needle pushing parts of two adjacent triangle systems share an intermediate needle selection triangle 130, and working ends are provided on both the left and right sides of the intermediate needle selection triangle 130; the needle selection part of each triangle system includes lifting needles triangles 6 and needle pushing triangles 16 and lower needle selection triangles 15 on the left and right sides of the above components. The needle selection parts of two adjacent triangle systems share an intermediate lower needle selection triangle 150, and working ends are provided on both the left and right sides of the intermediate lower needle selection triangle 150.

[0035] In summary, the above are only the preferred embodiments of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope covered by the patent of the present invention.

Claims

1. A bottom plate structure of a preselecting needle three-system flat knitting machine, comprising a bottom plate (1). A working part, a needle pushing part and a needle selecting part are arranged on the bottom plate (1). The working part, the needle pushing part and the needle selecting part are respectively in contact and cooperation with a connecting needle, a spring needle and a needle selector installed in the needle grooves of a flat knitting machine. It is characterized in that: The working part includes a mountain guard (2), and the needle pushing part includes a needle raising triangle (3). The needle raising triangle (3) is located below the mountain guard (2). The upper part of the needle raising triangle (3) is a needle raising protrusion (31). The lower part of the mountain guard (2) is provided with a mountain guard groove (21), and the mountain guard groove (21) cooperates with the needle raising protrusion (31).

2. The bottom plate structure of a preselecting needle three-system flat knitting machine according to claim 1, characterized in that: The mountain guard groove (21) is an upwardly arched triangular groove, and the needle raising protrusion (31) is an upwardly protruding triangular groove.

3. The bottom plate structure of a preselecting needle three-system flat knitting machine according to claim 1, characterized in that: The apex angle of the cross-section of the needle raising protrusion (31) is greater than 90°.

4. A bottom plate structure of a preselecting needle three-system flat knitting machine according to claim 1, characterized in that: The mountain guard (2) includes a mountain guard piece (22), and the mountain guard groove (21) is located on the lower end surface of the mountain guard piece (22).

5. The base plate structure of a preselecting needle three-system flat knitting machine according to claim 4, characterized in that: The thickness of the mountain guard piece (22) is less than the thickness of the needle raising protrusion (31).

6. The base plate structure of a preselecting needle three-system flat knitting machine according to claim 1, characterized in that: The needle pushing part further includes a return triangle (4) located below the needle raising triangle (3). The upper end of the return triangle (4) is provided with a mounting groove (41), and the lower part of the needle raising triangle (3) cooperates with the mounting groove (41) and is mounted on the return triangle (4).

7. The base plate structure of a preselecting needle three-system flat knitting machine according to claim 6, wherein: The mounting groove (41) is a vertically arranged upper open groove, and the needle raising triangle (3) cooperates with the inner wall of the mounting groove (41) and moves up and down.

8. The bottom plate structure of a preselecting needle three-system flat knitting machine according to claim 1, characterized in that: The working part, the needle pushing part and the needle selecting part are distributed vertically and form a triangular system. There are at least three groups of the triangular systems provided on the bottom plate (1), and each group of the triangular systems is arranged horizontally along the bottom plate (1).

9. The base plate structure of a preselecting needle three-system flat knitting machine according to claim 8, characterized in that: The working part of each triangular system includes a density guide pin (5), a density triangle (7), a herringbone triangle (8), a needle turning triangle (9), a needle turning guide block (10) and the mountain guards (2) located on the left and right sides of the above components. The working parts of two adjacent triangular systems share an intermediate mountain guard (20), and working ends are provided on both the left and right sides of the intermediate mountain guard (20); the needle pushing part of each triangular system includes a middle mountain guide block (11), a butterfly mountain (12) and the needle raising triangles (3) and return triangles (4) located on the left and right sides of the above components. The needle pushing parts of two adjacent triangular systems share an intermediate needle raising triangle (30) and an intermediate return triangle (40), and working ends are provided on both the left and right sides of the intermediate needle raising triangle (30) and the intermediate return triangle (40); the needle pushing part of each triangular system further includes a needle selecting mountain guard (14) and needle selecting triangles (13) located on the left and right sides of the needle selecting mountain guard (14). The needle pushing parts of two adjacent triangular systems share an intermediate needle selecting triangle (130), and working ends are provided on both the left and right sides of the intermediate needle selecting triangle (130); the needle selecting part of each triangular system includes a needle lifting triangle (6) and a needle pushing triangle (16) and lower needle selecting triangles (15) located on the left and right sides of the above components. The needle selecting parts of two adjacent triangular systems share an intermediate lower needle selecting triangle (150), and working ends are provided on both the left and right sides of the intermediate lower needle selecting triangle (150).

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