CN219010610U - Triangle for circular knitting machine - Google Patents

Abstract

The utility model discloses a triangle for a circular knitting machine, which comprises a main triangle seat and a secondary triangle seat arranged on one side of the main triangle seat in a sliding manner; the main cam seat and the secondary cam seat can be adjusted in the vertical direction, the main cam seat is provided with a main knitting needle guide groove with a stepped middle part, the right-end water caltrop of the main knitting needle guide groove is set to be a first arc angle, the secondary cam seat is provided with a secondary knitting needle guide groove, the right-end of the secondary knitting needle guide groove is communicated with the left-end of the main knitting needle guide groove, the right-end water caltrop of the secondary knitting needle guide groove is a second outer arc angle, the bottom surface of the secondary knitting needle guide groove close to the right-end is provided with a groove, the inner angle of the groove is a first inner arc angle, the main cam seat is provided with an opening, the open-ended water caltrop is a third outer arc angle, the friction force between a knitting needle and the knitting needle guide groove can be reduced, the smoothness of the knitting needle is further improved, the buffering effect of the knitting needle is improved, and the smoothness of the knitting needle is further increased.

Description

Triangle for circular knitting machine

[ field of technology ]

The utility model relates to the technical field of triangles of circular machines, in particular to a triangle for a circular machine.

[ background Art ]

The triangle is also called mountain angle and water caltrop, and is characterized by that according to the different requirements of knitting variety of circular knitting machine the knitting needle and sinker can be controlled to make reciprocating motion in the needle cylinder groove. The triangle is provided with five types of looping triangle, tucking triangle, floating line triangle, anti-string triangle and contact pin triangle. The triangle is generally designed with triangle, trapezoid, transverse line and other elements.

The novel single-sided triangle of the circular knitting machine disclosed by the patent publication No. CN201620246U is characterized in that a knitting needle guide groove and a semicircular arc groove are arranged on the outer surface of a body of the novel single-sided triangle, and a positioning hole is formed; and two sides of the inner bottom side of the knitting needle guide groove are concave inwards to form a bilateral T-shaped groove. The utility model is concave into the T-shaped guide groove at the two sides of the bottom side of the knitting needle guide groove of the single-sided triangle of the circular knitting machine, thereby greatly reducing the friction between the knitting needle and the knitting guide groove and further reducing the abrasion of the wall of the knitting guide groove. At the same time, the wear resistance is also improved. The knitted cloth cover is smooth, the overall quality and the production efficiency of the whole circular knitting machine are improved, the practical service life of the knitting needles is obviously prolonged, the trouble that a user frequently replaces the knitting needles is solved, and the maintenance cost and the repair cost are indirectly saved.

In the utility model, the knitting needle is guided by the knitting needle guide groove, so that the cloth is knitted in the process of up-and-down fluctuation of the knitting needle, and the knitting needle moves in the knitting needle guide groove with smaller angle due to the V-shaped knitting needle guide groove and smaller angle of the inclined surface, so that the friction force of the knitting needle is increased, the smoothness of the knitting needle is easily reduced when the friction force between the knitting needle and the knitting needle guide groove is increased, the knitting needle is subjected to forward tilting when the knitting needle descends, and the knitting needle contacts with the knitting needle guide groove when the knitting needle inclines forwards, so that the friction force between the knitting needle and the knitting needle guide groove is increased, and the smoothness of the knitting needle is also reduced.

[ utility model ]

The utility model aims to solve the problems in the prior art, and provides a cam for a circular knitting machine, which can reduce the friction force between a knitting needle and a knitting needle guide groove and further improve the smoothness of the knitting needle.

In order to achieve the above purpose, the present utility model provides a cam for a circular knitting machine, comprising a main cam seat and a secondary cam seat slidably disposed at one side of the main cam seat;

the main cam seat and the secondary cam seat can be adjusted in the vertical direction, a main knitting needle guide groove with a stepped middle part is formed in the main cam seat, the right-end water caltrop of the main knitting needle guide groove is set to be a first arc angle, a secondary knitting needle guide groove is formed in the secondary cam seat, the right end of the secondary knitting needle guide groove is communicated with the left end of the main knitting needle guide groove, the right-end water caltrop of the secondary knitting needle guide groove is a second outer arc angle, a groove is formed in the bottom surface, close to the right end, of the secondary knitting needle guide groove, the inner angle of the groove is a first inner arc angle, an opening is formed in the main cam seat, and the open-ended water caltrop is a third outer arc angle.

Preferably, the first inner circular arc angles of the two grooves are connected into a whole.

Preferably, the top surface of the main knitting needle guide groove is arranged in a plane.

Preferably, the water caltrop and the inner angle on the stepped shape of the guide groove of the main knitting needle are the main outer arc angle and the secondary inner arc angle and are connected into a whole.

The utility model has the beneficial effects that: compared with the prior art, the utility model sets the water chestnut at the right end of the main knitting needle guide slot as the first arc angle, reduces the friction force of the knitting needle by utilizing the contact between the first arc angle and the knitting needle point, increases the smoothness of the knitting needle, and sets the middle part of the main knitting needle guide slot as a step, sets the stepped water chestnut and the inner angle as the main arc angle and the secondary arc angle, so that the main arc angle and the secondary arc angle are connected into a whole, the smoothness of the knitting needle is increased, the contact between the main outer arc and the secondary arc point is eliminated on the premise of increasing the smoothness of the knitting needle, the friction force of the knitting needle is further reduced, the smoothness of the knitting needle is further improved, and the inner angle of the groove is set as the first arc angle when the knitting needle enters the secondary knitting needle guide slot, thereby further improving the buffering effect of the knitting needle and further increasing the smoothness of the knitting needle.

The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a schematic perspective view of a primary cam and secondary cam seat of the present utility model;

fig. 2 is a schematic plan view of the primary and secondary cams of the present utility model.

In the figure: 1. a main triangle base; 2. a secondary triangular base; 3. a main needle guide groove; 4. a main outer arc angle; 5. a minor inner arc angle; 6. a secondary needle guide slot; 7. a first arc angle; 8. a second outer arc angle; 9. a groove; 10. a first inner arc angle; 11. an opening; 12. and a third outer arc angle.

[ detailed description ] of the utility model

The following description is only of the preferred embodiments of the present utility model, and the scope of the present utility model should not be limited to the examples, but should be construed as falling within the scope of the present utility model. It should also be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present utility model are intended to be comprehended within the scope of the present utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

As shown in fig. 1 to 2, a cam for a circular knitting machine includes a main cam base 1 and a sub cam base 2 provided at one side of the main cam base 1;

when the knitting needle moves, the main knitting needle guide groove 3 which is formed at the two ends of the main triangular seat 1 and is communicated with the left edge and the right edge of the main triangular seat 1 is used for guiding the knitting needle, and when the knitting needle guides, as the middle part of the main knitting needle guide groove 3 is in a ladder shape, and the water caltrop and the inner angle on the ladder shape are the main outer arc angle 4 and the secondary inner arc angle 5 and are connected into a whole, when the knitting needle enters into the outer arc angle and the inner arc angle, the outer arc angle and the inner arc angle are used for contacting with the knitting needle point, the friction force of the knitting needle moving is reduced, the service life of the knitting needle is further prolonged, and when the knitting needle moves, the left end and the right end of the secondary knitting needle guide groove 6 respectively penetrate through the two ends of the secondary triangular seat 2, and the right end of the secondary knitting needle guide groove 6 is communicated with the left end of the main knitting needle guide groove 3, so that the knitting needle enters into the secondary knitting needle guide groove 6 through the main knitting needle guide groove 3, and the secondary knitting needle guide groove 6 is realized, and the secondary knitting needle guide groove 6 guides the knitting needle is further improved.

When the knitting needle moves to the right end of the main knitting needle guide groove 3, the bottom surface of the right end of the main knitting needle guide groove 3 is in a V shape, and the water caltrop of the main knitting needle guide groove 3 is set to be the first arc angle 7, so that the first arc angle 7 is used for being in contact with the knitting needle, the friction force of the knitting needle is reduced through point-to-point contact, the service life of the knitting needle is further prolonged, the top surface of the main knitting needle guide groove 3 is in a plane, and the smoothness of the movement of the knitting needle is further improved.

The right water caltrop of the right end of the secondary knitting needle guide groove 6 is set as a second outer circular arc angle 8, and the second outer circular arc angle 8 is used for being in point-to-point contact with the knitting needle again, so that the friction force of the knitting needle is further reduced, and the service life of the knitting needle is prolonged.

Through set up recess 9 on secondary knitting needle guide slot 6 to set up two interior angles of recess 9 as first circular arc angle 7, and then make first outer circular arc angle and knitting needle point and point contact, and then further reduce the frictional force of knitting needle, increase the life of knitting needle

An opening 11 which is higher than the main knitting needle guide groove 3 is formed in the main cam seat 1, and the opening 11 is communicated with the main knitting needle guide groove 3, so that a knitting needle can smoothly enter the main knitting needle guide groove 3, and smoothness of knitting needle movement is improved.

By setting the opening 11 water caltrop as the third outer arc angle 12, the smoothness of the knitting needle entering is further increased.

The principle of the utility model is as follows: the main outer circular arc angle 4 and the secondary inner circular arc angle 5 are in point-to-point contact with the knitting needle, so that the friction force during knitting needle transmission is reduced, the smoothness of the knitting needle is further improved, and the positions of the main knitting needle guide groove 3 and the secondary knitting needle guide groove 6 can be adjusted through lifting displacement between the main cam seat 1 and the secondary cam seat 2.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims (4)

1. A triangle for a circular knitting machine comprises a main triangle seat (1) and a secondary triangle seat (2) which is arranged on one side of the main triangle seat (1) in a sliding manner; the method is characterized in that:

the novel knitting needle is characterized in that the main cam seat (1) and the secondary cam seat (2) can be adjusted in the vertical direction, a main knitting needle guide groove (3) with a stepped middle part is formed in the main cam seat (1), the right-end water chestnut of the main knitting needle guide groove (3) is arranged to be a first circular arc angle (7), the secondary knitting needle guide groove (6) is formed in the secondary cam seat (2), the right end of the secondary knitting needle guide groove (6) is communicated with the left end of the main knitting needle guide groove (3), the right-end water chestnut of the secondary knitting needle guide groove (6) is a second outer circular arc angle (8), a groove (9) is formed in the bottom surface, close to the right end, of the secondary knitting needle guide groove (6) and is provided with an inner angle of the groove (9) which is a first inner circular arc angle (10), and the right-end water chestnut of the opening (11) is a third outer circular arc angle (12).

2. The cam for a circular knitting machine according to claim 1, characterized in that: the first inner arc angles (10) of the two grooves (9) are connected into a whole.

3. The cam for a circular knitting machine according to claim 1, characterized in that: the top surface of the main knitting needle guide groove (3) is arranged in a plane.

4. The cam for a circular knitting machine according to claim 1, characterized in that: the water caltrop and the inner angle on the step shape of the main knitting needle guide groove (3) are a main outer arc angle (4) and a secondary inner arc angle (5) and are connected into a whole.

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