CN205368659U - Latch needle fixing device of tricot machine - Google Patents

Abstract

The utility model discloses a latch needle fixing device of tricot machine, including latch needle seat and presser, the front portion of latch needle seat is equipped with one row of latch needle mounting groove that is used for installing the latch needle to the shape phase -match of the lower limb at the shape of the tank bottom of latch needle mounting groove and the rear portion of latch needle, the degree of depth of latch needle mounting groove is not more than the height at the rear portion of latch needle, the rear portion of presser is fixed on the latch needle seat, and the top edge at the rear portion of latch needle is pressed to the front portion of presser, anterior and the latch needle of presser are the point contact to the quantity of contact point is not less than one. The utility model discloses an anterior and the latch needle of presser are the point contact, have reduced the area of contact of presser with the latch needle, avoid causing the latch needle to press the unevenness because of the presser warp, and long service life has improved production efficiency, has practiced thrift manufacturing cost.

Description

Latch needle fixing device for warp knitting machine

technical field

The utility model relates to a latch needle fixing device of a warp knitting machine.

Background technique

The needle presser of the latch needle fixing device of the existing warp knitting machine is in surface contact with the latch needles, but the needle presser is easily deformed after a period of use, resulting in uneven latch needles and unstable machine operation. Therefore, the needle presser plate of the latch needle fixing device of the existing warp knitting machine needs to be replaced regularly, which increases the production cost and reduces the production efficiency.

Utility model content

The purpose of the utility model is to provide a latch needle fixing device of a warp knitting machine with long service life, improve production efficiency and reduce production cost.

The technical solution for realizing the purpose of this utility model is: a latch needle fixing device of a warp knitting machine, including a latch needle seat and a needle presser plate; groove, and the shape of the groove bottom of the latch needle installation groove matches the shape of the lower edge of the rear part of the latch needle, and the depth of the latch needle installation groove is not greater than the height of the rear part of the latch needle; the rear part of the needle presser plate Fixed on the latch needle seat, the front part of the needle presser plate is pressed against the upper edge of the rear part of the latch needle; the front part of the needle presser plate is in point contact with the latch needle, and the number of contact points is not less than one.

The latch needle seat is an integral injection molded part.

A latch needle fixing device for a warp knitting machine, which also includes screws and nuts; a first fixing hole is provided at the rear of the latch needle seat, and a second hole corresponding to the position is provided at the rear of the needle presser plate. Fixing hole; said screw passes through the second fixing hole on the needle presser plate and the first fixing hole on the latch needle seat successively and is threadedly connected with the nut, so that the rear part of the needle presser plate is fixedly connected with the latch needle seat.

The upper edge of the rear end of the latch needle base is provided with a positioning groove; the tail of the needle presser plate is provided with a positioning block that can cooperate with the positioning groove of the latch needle base.

Both the first fixing hole of the latch needle base and the second fixing hole of the needle presser plate are waist-shaped holes.

Two protruding planes of equal height are provided on the lower end surface of the rear part of the latch needle seat; positioning feet are provided at the front end of the protruding planes.

The width of the front part of the latch needle seat is greater than the width of the rear part, and both sides of the rear part of the latch needle seat are provided with escape grooves.

The material of the needle presser plate is spring steel.

The longitudinal section of the front part of the needle presser plate is S-shaped.

Adopting the above-mentioned technical scheme, the utility model has the following beneficial effects: (1) The front part of the needle presser of the utility model is in point contact with the latch needle, which reduces the contact area between the needle presser and the latch needle, and avoids The deformation of the needle pressing plate causes the uneven pressing of the latch needle, and the service life is long, the production efficiency is improved, and the production cost is saved.

(2) The latch needle seat of the utility model is an integral injection molded part, which simplifies the production process and reduces the manufacturing cost; the plastic has certain elasticity, and after the latch needle is installed in the latch needle installation groove, the latch needle installation groove can be tightly wrapped The latch needle improves the stability of the warp knitting machine; at the same time, the weight of the injection molded part is light, which effectively reduces the load of the warp knitting machine and saves energy.

(3) The rear part of the latch needle seat of the utility model is provided with a first fixing hole, and the rear part of the needle presser plate is provided with a second fixing hole corresponding to its position, and the screws pass through the holes on the needle presser plate successively. After the second fixing hole and the first fixing hole on the latch needle seat are threadedly connected with the nut, the rear part of the needle presser plate is fixedly connected with the latch needle seat. This structure is very convenient for disassembly and assembly.

(4) The upper edge of the rear end of the latch seat of the utility model is provided with a positioning groove, and the tail of the needle presser plate is provided with a positioning block that can cooperate with the positioning groove of the latch needle seat. This structure is convenient for the accurate positioning of the needle presser plate, The installation of the needle presser is more convenient, and at the same time, the positioning block of the needle presser buckles the positioning groove of the latch needle seat, which effectively increases the firmness of the needle presser.

(5) The first fixing hole of the latch needle base and the second fixing hole of the needle presser plate of the utility model are both waist-shaped holes, and this structure facilitates the position adjustment of the needle presser plate during installation.

(6) The lower end surface of the rear part of the latch needle seat of the utility model is provided with two protruding planes of equal height, and the front ends of the protruding planes are provided with positioning feet. This structure can prevent unevenness caused by plastic shrinkage.

(7) The width of the front part of the latch needle seat of the present utility model is greater than the width of the rear part, and both sides of the rear part of the latch needle seat are provided with avoidance grooves, because multiple latch needle fixing devices need to be installed side by side on the warp knitting machine, this This structure enables a better fit between the latch needle seats of the two latch needle fixing devices.

(8) The material of the needle pressing plate of the utility model is spring steel, which has a good rebound coefficient, has the advantages of repeated disassembly and assembly without deformation, and has a very good needle pressing effect.

(9) The longitudinal section of the front part of the needle presser plate of the utility model is S-shaped, and the appearance is beautiful, so that the number of contact points between the front part of the needle presser plate and the latch needle reaches two, ensuring the needle pressing strength of the needle presser plate , the pressing effect is better.

Description of drawings

In order to make the content of the utility model easier to understand clearly, the utility model will be further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein

Fig. 1 is the structural representation of the utility model.

FIG. 2 is a top view of FIG. 1 .

Fig. 3 is a bottom view of Fig. 1 .

FIG. 4 is a perspective view of FIG. 1 .

Fig. 5 is a structural schematic diagram of the latch needle seat of the present invention.

FIG. 6 is a rear view of FIG. 5 .

Fig. 7 is a schematic structural view of the needle presser plate of the present invention.

detailed description

(Example 1)

Referring to FIGS. 1 to 7 , the latch needle fixing device of the warp knitting machine in this embodiment includes a latch needle seat 1 , a needle presser plate 3 , a screw 4 and a nut 5 .

The latch needle seat 1 is an integral injection molded part. The front portion of the latch needle seat 1 is provided with a row of latch needle installation grooves 11 for installing the latch needles 2, and the shape of the groove bottom of the latch needle installation grooves 11 matches the shape of the lower edge of the rear portion of the latch needles 2, and the latch needles The depth of the needle mounting groove 11 is not greater than the height of the rear portion of the latch needle 2 . The lower edge of the rear portion of the latch needle 2 is not on the same straight line. The material of needle press plate 3 adopts spring steel. A first fixing hole 12 is provided at the rear of the latch needle base 1 , and a second fixing hole 31 corresponding thereto is provided at the rear of the needle presser 3 . The screw 4 passes through the second fixing hole 31 on the needle presser 3 and the first fixing hole 12 on the latch needle holder 1 in turn, and then is threadedly connected with the nut 5, so that the rear part of the needle presser 3 is fixed to the latch needle holder 1 connect. The upper edge of the rear end of the latch needle holder 1 is provided with a positioning groove 13 . The tail of the needle presser 3 is provided with a positioning block 32 that can cooperate with the positioning groove 13 of the latch needle holder 1 . Both the first fixing hole 12 of the latch needle base 1 and the second fixing hole 31 of the needle presser 3 are waist-shaped holes. The front portion of the needle presser plate 3 is pressed against the upper edge of the rear portion of the latch needle 2 . The front part of the needle presser plate 3 is in point contact with the latch needle 2, and the number of contact points is not less than one. In order to ensure the needle pressing strength of the needle pressing board 3, the longitudinal section of the front part of the needle pressing board 3 is designed to be S-shaped. Two convex planes 14 of equal height are provided on the lower end surface of the rear part of the latch needle holder 1 . A front end of the protruding plane 14 is provided with a positioning foot 15 . The width of the front part of the latch needle holder 1 is greater than the width of the rear part, and avoidance grooves 16 are provided on both sides of the rear part of the latch needle holder 1 .

The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present utility model in detail. It should be understood that the above descriptions are only specific embodiments of the present utility model and are not intended to limit the present invention. For the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims (9)

1. the tongue needle fixation device of a tricot machine, it is characterised in that: include latch needle seat (1) and eedle presser (3)；The front portion of described latch needle seat (1) is provided with a row for installing the latch needles mounting groove (11) of latch needles (2), and the mating shapes of the lower limb at the rear portion of the shape of the bottom land of latch needles mounting groove (11) and latch needles (2), the degree of depth of latch needles mounting groove (11) is not more than the height at the rear portion of latch needles (2)；The rear portion of described eedle presser (3) is fixed on latch needle seat (1), and the front portion of eedle presser (3) is pressed in the top edge at the rear portion of latch needles (2)；The front portion of described eedle presser (3) and latch needles (2) are point cantact, and the quantity of contact point is not less than one.

2. the tongue needle fixation device of a kind of tricot machine according to claim 1, it is characterised in that: described latch needle seat (1) is integral type moulding.

3. the tongue needle fixation device of a kind of tricot machine according to claim 1, it is characterised in that: also include screw (4) and nut (5)；The rear portion of described latch needle seat (1) is provided with first fixing hole (12), and the rear portion of eedle presser (3) is provided with second fixing hole (31) that position with it is corresponding；Described screw (4) sequentially passes through the second fixing hole (31) on eedle presser (3) and the first fixing hole (12) on latch needle seat (1) is threadeded with nut (5) afterwards, makes the rear portion of eedle presser (3) and latch needle seat (1) achieve a fixed connection.

4. the tongue needle fixation device of a kind of tricot machine according to claim 3, it is characterised in that: the top edge of described latch needle seat (1) rear end is provided with locating slot (13)；The afterbody of described eedle presser (3) is provided with the locating piece (32) that can match with the locating slot (13) of latch needle seat (1).

5. the tongue needle fixation device of a kind of tricot machine according to claim 4, it is characterised in that: first fixing hole (12) of described latch needle seat (1) and second fixing hole (31) of eedle presser (3) are mounting hole.

6. the tongue needle fixation device of a kind of tricot machine according to claim 1, it is characterised in that: the lower surface at the rear portion of described latch needle seat (1) is provided with two contour protrusion planes (14)；The front end of described protrusion plane (14) is provided with angle (15).

7. the tongue needle fixation device of a kind of tricot machine according to claim 1, it is characterized in that: the width of described latch needle seat (1) front portion is more than the width at rear portion, and the both sides at the rear portion of latch needle seat (1) are provided with escape groove (16).

8. the tongue needle fixation device of a kind of tricot machine according to claim 1, it is characterised in that: the material of described eedle presser (3) adopts spring steel.

9. the tongue needle fixation device of a kind of tricot machine according to claim 1, it is characterised in that: the longitudinal cross-section of the front portion of described eedle presser (3) is S-shaped.