Sinker of circular knitting machine

Abstract

The utility model provides a sinker of a circular knitting machine, which relates to the technical field of circular knitting machines and comprises a sinker body, a sinker triangular seat is mounted at the upper end of the sinker body, a knitting machine frame plate is connected to the upper end face of the sinker triangular seat, and a tungsten carbide alloy strip is inlaid and welded on the front surface of the sinker body. An air inlet and an air nozzle are formed in the outer surface of the tungsten carbide alloy strip, an exhaust plate is attached to the surface of the air inlet in a sealed mode, an air guide groove is formed in the inner side of the tungsten carbide alloy strip, a ventilation cavity channel is formed in the inner side of the knitting machine frame plate, and the air guide groove is communicated with the ventilation cavity channel through the exhaust plate. The utility model solves the problem that flying substances are easy to attach and wear the sinker due to friction of yarns in the high-speed knitting movement of the sinker of the circular knitting machine.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circular knitting machine technical field, concretely relates to a sinker of circular knitting machine. BACKGROUND

[0002] The sinker of the circular knitting machine refers to the auxiliary tool placed on both sides of the knitting needle during the knitting process, which is mainly used for assisting the knitting needle to knit the loop. The sinker helps the knitting needle to complete the knitting process through the curved motion, especially plays a key role when the loop is withdrawn and the yarn is bent. However, in the high-speed knitting motion of the sinker of the circular knitting machine, the yarn is easy to adhere to the sinker due to friction, causing wear and tear of the sinker. SUMMARY

[0003] In order to overcome the defects existing in the prior art, a sinker of a circular knitting machine is provided to solve the problem that the yarn is easy to adhere to the sinker due to friction in the high-speed knitting motion of the sinker of the circular knitting machine.

[0004] In order to achieve the above-mentioned purpose, a sinker of a circular knitting machine is provided, which comprises: a sinker body, a sinker cam rest is installed on the upper end of the sinker body, a knitting machine frame plate is connected to the upper end surface of the sinker cam rest,

[0005] A tungsten carbide alloy strip is embedded and welded on the front surface of the sinker body, air inlets and air outlets are formed on the outer surface of the tungsten carbide alloy strip, an exhaust plate is tightly attached to the surface of the air inlet, a gas guide groove is arranged on the inner side of the tungsten carbide alloy strip, and a ventilation cavity is formed in the inner side of the knitting machine frame plate.

[0006] Further, a sinker ring is supported on the lower end surface of the sinker body, and a yarn guide is installed on the side end of the knitting machine frame plate.

[0007] Further, the sinker body contains a stainless steel layer inside, and the outer surface of the stainless steel layer is coated with a wear-resistant coating.

[0008] Further, the surface of the tungsten carbide alloy strip is equidistantly arranged with air outlets; and the air inlet is located at the right side end of the air outlet.

[0009] Further, an exhaust port is arranged on the side surface of the exhaust plate; and the exhaust port is tightly attached to the air inlet on the surface of the tungsten carbide alloy strip.

[0010] Further, a high-pressure micro-fog pipe is connected to the outer side end of the knitting machine frame plate; and the high-pressure micro-fog pipe is in communication with the ventilation cavity.

[0011] Further, the tungsten carbide alloy strip is embedded and fixed in the groove of the sinker body in a semi-cylindrical shape.

[0012] The knitting circular machine and the sinker of the utility model have the advantages that the sinker of the knitting circular machine is welded with the tungsten carbide alloy strip on the contact surface of the sinker and the knitting needle, the high-pressure micro-mist airflow is delivered to the air guide groove of the tungsten carbide alloy strip through the exhaust plate at the side end of the knitting frame plate, the high-pressure micro-mist airflow is sprayed out of the air outlet of the tungsten carbide alloy strip, the yarn in the knitting operation of the knitting needle is humidified, the adhesion of the flying material on the surface of the sinker is effectively reduced, the wear degree of the sinker of the knitting circular machine is slowed down, the overall wear resistance of the sinker is enhanced, and the service life of the sinker of the knitting circular machine is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a front view connection structure schematic view of the knitting circular machine and the sinker of the utility model embodiment.

[0014] Fig. 2 It is a front view structure schematic view of the sinker of the utility model embodiment.

[0015] Fig. 3 It is a side view cross section structure schematic view of the sinker of the utility model embodiment.

[0016] Fig. 4 It is a side view structure schematic view of the sinker of the utility model embodiment.

[0017] In the drawing: 1, sinker body; 11, stainless steel layer; 12, wear-resistant coating; 2, tungsten carbide alloy strip; 21, air inlet; 22, air outlet; 23, air guide groove; 3, yarn guide; 4, knitting frame plate; 41, air passage; 42, exhaust port; 43, exhaust plate; 5, sinker ring; 6, sinker cam; 7, high-pressure micro-mist air pipe. DETAILED DESCRIPTION

[0018] Referring to Figs. 1 to 4 As shown in the utility model provides a kind of sinker of knitting circular machine, comprising: sinker body 1, sinker body 1 upper end is equipped with sinker cam 6, sinker cam 6 upper end surface is connected with knitting frame plate 4,

[0019] Sinker body 1 front surface is inlaid with tungsten carbide alloy strip 2, air inlet 21 and air outlet 22 are set on the outer surface of tungsten carbide alloy strip 2, exhaust plate 43 is sealedly attached to the surface of air inlet 21, air guide groove 23 is arranged on the inner side of tungsten carbide alloy strip 2, air passage 41 is set in the inner side of knitting frame plate 4, air guide groove 23 is communicated with air passage 41 by exhaust plate 43.

[0020] When the sinker and the needle of the circular knitting machine are in knitting operation, the high-pressure micro-mist flow is delivered to the gas guide groove 23 of the tungsten carbide alloy strip 2 on the surface of the sinker body 1 through the exhaust plate 43 at the side end of the knitting frame plate 4, so that the jet port 22 of the tungsten carbide alloy strip 2 sprays high-pressure micro-mist flow to humidify the yarn in the knitting operation of the needle, effectively reducing the adhesion of fly material on the surface of the sinker, slowing down the wear degree of the sinker of the circular knitting machine, and at the same time enhancing the overall wear resistance of the sinker, thereby prolonging the service life of the sinker of the circular knitting machine.

[0021] In the present embodiment, the sinker body 1 is supported at the lower end face by a sinker ring 5, and the knitting frame plate 4 is provided with a yarn guide 3 at the side end.

[0022] As a preferred embodiment, the sinker ring 5 serves to support the sinker body 1. The knitting frame plate 4 facilitates the assembly of the sinker body 1 installed between the sinker ring 5 and the sinker cam 6 with the circular knitting machine. The yarn guide 3 facilitates the guidance of the yarn to the needle in contact with the side face of the sinker body 1.

[0023] In the present embodiment, the sinker body 1 contains a stainless steel layer 11 inside, and the outer surface of the stainless steel layer 11 is coated with a wear-resistant coating 12.

[0024] As a preferred embodiment, the outer surface of the stainless steel layer 11 of the sinker body 1 is coated with a titanium-molybdenum-based friction-reducing wear-resistant coating, which has good lubricating, wear-resistant and corrosion-resistant effects, thereby further enhancing the strength and wear resistance of the sinker body 1.

[0025] In the present embodiment, the surface of the tungsten carbide alloy strip 2 is equidistantly arranged with jet ports 22; and the gas inlet 21 is located at the right side end of the jet port 22. The side face of the exhaust plate 43 is provided with an exhaust port 42; and the exhaust port 42 is correspondingly attached to the gas inlet 21 on the surface of the tungsten carbide alloy strip 2. The outer side end of the knitting frame plate 4 is connected with a high-pressure micro-mist gas pipe 7; and the high-pressure micro-mist gas pipe 7 is in communication with the air passage 41. The tungsten carbide alloy strip 2 is in the form of a semi-cylindrical shape and is embedded and fixed in the groove of the sinker body 1.

[0026] As a preferred embodiment, the high-pressure micro-mist gas pipe 7 is used to deliver the high-pressure micro-mist flow through the knitting frame plate 4 and the exhaust plate 43 inside the knitting frame plate 4 into the gas guide groove 23 of the tungsten carbide alloy strip 2, and finally sprayed out from the jet port 22, thereby humidifying the knitting yarn at the surface of the jet port 22 and effectively inhibiting the fly phenomenon of the yarn, so as to slow down the wear degree of the sinker of the circular knitting machine.

[0027] The sinker of the knitting circular knitting machine can effectively solve the problem that the flying material is easily attached to and wears the sinker due to friction in the high-speed knitting movement of the sinker of the knitting circular knitting machine, effectively reduces the attachment of the flying material on the surface of the sinker, slows down the wear degree of the sinker of the knitting circular knitting machine, simultaneously enhances the overall wear resistance of the sinker, improves the service life of the sinker of the knitting circular knitting machine, and is suitable for the sinker of the knitting circular knitting machine.

Claims

1. A sinker for a circular knitting machine, comprising: The sinker body (1) is characterized in that a sinker cam (6) is mounted on the upper end of the sinker body (1), and a knitting machine frame plate (4) is connected to the upper end surface of the sinker cam (6). The sinker body (1) is characterized in that a tungsten carbide alloy strip (2) is embedded and welded on the front surface of the sinker body (1), the outer surface of the tungsten carbide alloy strip (2) is provided with an air inlet (21) and a gas jet (22), the surface of the air inlet (21) is tightly fitted with an exhaust plate (43), the inner side of the tungsten carbide alloy strip (2) is provided with a gas guide groove (23), the inner side of the knitting machine frame plate (4) is provided with a ventilation cavity (41), and the gas guide groove (23) is in communication with the ventilation cavity (41) through the exhaust plate (43).

2. Sinkers for a circular knitting machine according to claim 1, characterized in that The sinker body (1) is characterized in that a sinker ring (5) is supported on the lower end surface of the sinker body (1), and a yarn guide (3) is mounted on the side end of the knitting machine frame plate (4).

3. Sinkers for a circular knitting machine according to claim 1, characterized in that The sinker body (1) is characterized in that a stainless steel layer (11) is contained inside the sinker body (1), and a wear-resistant coating (12) is coated on the outer surface of the stainless steel layer (11).

4. Sinkers for a circular knitting machine according to claim 1, characterized in that, The sinker body (1) is characterized in that the surface of the tungsten carbide alloy strip (2) is equidistantly arranged and distributed with gas jets (22), and the air inlet (21) is located at the right side end of the gas jet (22).

5. A sinker for a circular knitting machine according to claim 1, characterized in that The sinker body (1) is characterized in that the exhaust plate (43) is provided with an exhaust port (42) on the side surface, and the exhaust port (42) is correspondingly fitted with the air inlet (21) on the surface of the tungsten carbide alloy strip (2).

6. A sinker for a circular knitting machine according to claim 1, characterized in that The sinker body (1) is characterized in that a high-pressure micro-fog air pipe (7) is connected to the outer side end of the knitting machine frame plate (4), and the high-pressure micro-fog air pipe (7) is in communication with the ventilation cavity (41).

7. A sinker for a circular knitting machine according to claim 1, characterized in that The sinker body (1) is characterized in that the tungsten carbide alloy strip (2) is semi-cylindrical and embedded and fixed in the groove of the sinker body (1).

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