JPS61500127A - circular knitting machine needle bed - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] circular knitting machine needle bed The present invention provides a circular knitting machine including a cylinder insert that supports circular knitting needles movably in the axial direction. It is related to the needle bed of the machine.

Conventionally, a groove was formed in the cylinder of a circular knitting machine, and an insert was inserted into this groove. The knitting needle is supported between the knitting needles and the knitting needles are moved up and down by a cam. Ta. In this configuration, the needle is treated with a hardening treatment which, in principle, avoids significant and rapid wear. It runs on a well-treated cylinder surface. Manufacturing such cylinders is difficult. This is an extremely expensive job due to manufacturing technology, and the results of the hardening process The incidence of rejected products is high.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to significantly simplify manufacturing and to avoid damage to individual parts of the needle bed. A circular knitting machine that eliminates the need to scrap the entire cylinder to replace it with a new one. The aim is to configure the needle bed of the needle.

In order to achieve this objective, the present invention preferably provides an even distribution over the entire circumference of the cylinder. constitutes the needle bed with segments having the same width and close to each other; Flat objects of different heights placed close together in a regular order and staggered. insert, and is cast into a cutout preferably formed on the lower side of the insert. A metal or plastic material that takes the form of a bar or strip that spans the entire width of the segment. Connect multiple inserts using a hook.

Other constituent features of the needle bed constructed according to the present invention are as set forth in Claims 2 and below and It will be clear from the following description of the particularly preferred embodiment shown in FIGS. 1 to 3 of the drawings. It will be something like that. In the accompanying drawings: Figure 1 shows a round ring with needle bed segments attached to its periphery. An explanatory diagram showing one quadrant of a cylinder of a knitting machine, Figure 2 shows the cylinder shown in Figure 1 with nine needle bed segments attached around it. FIG. 3 is a sectional view of a circular knitting machine cylinder fitted with a needle bed according to a modified embodiment of the invention. FIG.

As is clear from FIGS. 1 and 2, the circular knitting machine cylinder 11 has a relatively simple structure. It can be machined extremely accurately on a lathe. If grinding is required, this is also easy. This makes it possible to manufacture circular knitting machine cylinders rationally and at low cost. can. The needle bed itself consists of a segment 12 fixed around a cylinder 11; They are cylindrical in the cylinder 11 and are in close contact with each other.

Each needle bed segment 12 consists of a plurality of flat inserts 13 and 14, The insert 13 has a height greater than the other insert 14 in the radial direction and A passageway is formed between the inserts 13 that support the needle so that it can move up and down, and the needle can move freely up and down. Both inserts slide on the outer surface of the relatively lower flat insert 14). 13 and 14 are arranged alternately in a regular order. Inserts 13 and 14 are hard It is made of a suitable material that is easy to process and provides the necessary surface hardness for the needle guide passage. be able to. The inserts of the individual needle bed segments 12) 13.14 are closely connected to each other. the surfaces that are to be joined together to form almost a single compact element. For this purpose, a groove-shaped notch 15 is formed on the lower side facing the cylinder 11 to allow the molten metal to pass through. Cast or injected with plastic, and after solidifying, this metal or plastic The inserts 13 and 14 are integrally formed by forming a bar or band spanning the entire width of the segment. Make sure to keep it in place.

To secure the individual segments to the cylinder, the needle bed segments 12 are formed on the underside. Insert the fixing wedge 17 into the dovetail groove 18 and tighten the set screw 19 to tighten the cylinder. The whole thing is simple In order to accurately set the needle bed segment 12 on the cylinder 11 and position it accurately. An adjustment spring or an adjustment spring that engages a groove 21 formed in the cylinder 11 on the lower side of the segment. is provided with a tongue 20. Also, the cylinder and the segment 12 are A respective mating surface 22, 23 may be provided.

If the needle bed of the cylinder of a circular knitting machine is configured in this way, damage will occur at a specific position on the needle bed. If the needle bed element 12 is replaced without replacing the entire needle bed cylinder with a new one as in the past, It is easy to replace quickly. Furthermore, the cylinder 11 and the segment By manufacturing the 12-piece needle bed separately, the needle bed cylinder can be manufactured extremely easily. This makes it possible to manufacture products at low cost.

Knitting needle holes on the inside 25 of the upper end 24 of the insert 13 facing the axis of the cylinder 11 Near the knockover position, position the needle in the knockover area and knit the knitting surface (Abschl Wire 27 of the wiring made of hardened material which acts as agkante) It is preferable to provide a notch 26 for insertion. This results in extremely homogeneous A higher quality knitted fabric than before can be obtained.

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Claims (5)

[Claims] 1. A cylinder that supports knitting needles so that they can move freely in the axial direction. In a circular knitting machine including inserts, evenly distributed over the entire circumference of the cylinder (11), the needle bed is constituted by segments (12) that are preferably of the same width and are adjacent to each other; The segments are arranged staggered in a regular order and have different heights from each other. Consisting of flat inserts (13, 14) that are in close contact with each other, the inserts (13, 14) The entire width of the segment is cast into a notch (15) preferably formed on the lower side of the segment. Compounded by metal or plastic in the form of a hanging rod or band (16), etc. A needle bed for a circular knitting machine characterized by a number of inserts connected together. 2. The metal rods or bands (16) connecting the inserts (13, 14) to each other are trapezoidal. The needle bed according to claim 1, characterized in that it has a cross section. 3. A fastener that fits the segment (12) into a dovetail groove (18) provided on its underside. Claimed in that it is fixed to the cylinder (11) by a fixed wedge (17). The needle bed according to scope 1 or 2. 4. To center and position the segment (12) there is an adjustment spring on its underside. or a tongue (20) and optionally an abutment surface (22) and a cylinder (1 1) so as to interlock and abut with the groove (21) and abutting surface (23), respectively. Claims 1, 2 or 3, characterized in that: The needle bed. 5. The insert (13) is located inside (25) of its upper end (24) in the needle knock-off hole. The knitting surface (Abschlag) is made of a hardened material, positions the needles near the Notch (26) for inserting the wire (27) which acts as a kante Claims 1, 2, 3, or 4, characterized in that The needle bed according to any one of item 1.