CN110629392B - Circular knitting machine needle and preparation method thereof - Google Patents
Circular knitting machine needle and preparation method thereof Download PDFInfo
- Publication number
- CN110629392B CN110629392B CN201910928701.4A CN201910928701A CN110629392B CN 110629392 B CN110629392 B CN 110629392B CN 201910928701 A CN201910928701 A CN 201910928701A CN 110629392 B CN110629392 B CN 110629392B
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- China
- Prior art keywords
- needle
- fixedly connected
- steel
- needle head
- handle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
- B21G1/00—Making needles used for performing operations
- B21G1/003—Needles for special purposes, e.g. knitting, crochet, hat-pins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
- B21G1/00—Making needles used for performing operations
- B21G1/006—Special treatments of pins or needles, e.g. annealing, straightening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
- B21G1/00—Making needles used for performing operations
- B21G1/12—Securing, cleaning-off burrs, reconditioning polishing, grinding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
- D04B35/04—Latch needles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention relates to the technical field of circular knitting machines, in particular to a circular knitting machine needle which comprises a handle, wherein a needle head is fixedly connected to the lower end of the handle, a mounting groove is formed in the lower end of the handle, bearings are fixedly connected to the inner walls of two sides of the mounting groove, a pin shaft is fixedly connected to the inner shaft surface of each bearing, a stop lever is fixedly connected to each pin shaft, a second mounting box is fixedly mounted on one side of each stop lever, a first magnet is fixedly connected to each second mounting box, each first mounting box is fixedly connected to one side of the handle, the opposite surfaces of the second magnet and the first magnet are magnetic surfaces with the same polarity, and a protective layer is coated on the outer surface of the needle head. The invention has the characteristics of preventing the knitting yarn from falling off, enhancing the strength and toughness of the needle head and preventing the needle head from deforming and breaking.
Description
Technical Field
The invention relates to the technical field of circular knitting machines, in particular to a circular knitting machine needle and a preparation method thereof.
Background
When the circular knitting machine weaves the fabric, the knitting line is woven through the drive of the circular knitting machine needle to weave, the needle head of the existing circular knitting machine needle is bent, the knitting line is fixed, but when the needle head moves, the falling of the knitting line is easily caused, the progress of the fabric is influenced, meanwhile, the strength and the toughness of the existing circular knitting machine needle are not added, and when the knitting is carried out, the deformation and the breakage of the needle head are easily caused.
Disclosure of Invention
The invention aims to solve the defects that knitting threads are easy to drop and a needle head is easy to deform and break in the prior art, and provides a circular knitting machine and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
designing a circular knitting machine needle, which comprises a handle, wherein a needle head is fixedly connected to the lower end of the handle, a mounting groove is formed in the lower end of the handle, bearings are fixedly connected to the inner walls of two sides of the mounting groove, a pin shaft is fixedly connected to the inner axial surface of each bearing, a stop lever is fixedly connected to each pin shaft, a second mounting box is fixedly mounted on one side of each stop lever, a first magnet is fixedly connected to each second mounting box, each first mounting box is fixedly connected to one side of the handle, the opposite surfaces of the second magnet and the first magnet are magnetic surfaces with the same polarity, and a protective layer is coated on the outer surface of the needle head;
when the circular knitting machine needle is prepared, the method comprises the following operation steps:
s1, manufacturing a needle head, namely selecting a stainless steel material, processing the stainless steel material into a stainless steel straight needle with the diameter of 0.5mm, measuring the size of the stainless steel straight needle, and shearing the stainless steel straight needle;
s2, carrying out heat treatment, heating the sheared steel needle to 600 ℃ plus 500 ℃, keeping the temperature for 5-10min, cooling the sheared steel needle in a normal-temperature environment after the heat treatment is finished, heating the sheared steel needle to 300 ℃ plus 200 ℃ plus after the heat treatment is finished, keeping the temperature for 2-3min, then reducing the temperature to 100 ℃ plus 150 ℃, keeping the temperature for 1-2min, finally reducing the temperature to 50-80 ℃, keeping the temperature for 30-45S, and taking out the sheared steel needle;
s3, bending, namely heating the steel needle to 800 ℃ for 700 plus materials, primarily bending the steel needle, wherein the bending angle is 90 degrees, rapidly cooling the steel needle, heating the steel needle to 650 ℃ for 600 plus materials, secondarily bending the steel needle, wherein the bending angle is 45 degrees, gradually cooling the steel needle, heating the steel needle to 550 ℃ for 500 plus materials, thirdly bending the steel needle, wherein the bending angle is 30 degrees, cooling the cooling liquid, finally heating the steel needle to 450 ℃ for 400 plus materials, quadric bending, and naturally cooling the steel needle, wherein the bending angle is 15 degrees;
s4, performing surface treatment on the needle head, and coating a protective layer on the outer surface of the needle head;
s5, manufacturing a handle, namely selecting thermoplastic plastics, specifically ABS resin, melting the thermoplastic plastics, pouring the melted thermoplastic plastics into a mould for cooling and forming, taking out the thermoplastic plastics to be fixedly connected with a needle head, and finally connecting other parts.
Preferably, the needle head is made of stainless steel material.
Preferably, the first mounting box and the second mounting box are made of rubber materials.
Preferably, the protective layer is a chromium alloy coating.
The invention also provides a preparation method of the round machine needle, and the surface treatment comprises the following operation steps:
a1, carrying out roughness treatment on the surface of the needle head to increase the roughness of the surface of the needle head;
a2, melting the chromium alloy, then uniformly coating the chromium alloy on the surface of the needle head, and quickly condensing to form a protective layer;
and A3, polishing the surface of the protective layer to reduce the roughness of the surface of the protective layer.
The invention provides a circular knitting machine needle and a preparation method thereof, and the circular knitting machine needle has the beneficial effects that: the design of second magnet, first magnet, round pin axle, pin lever plays the effect that blocks to the inside line of weaving of syringe needle, prevents at knitting in-process, causes the dropping of the line of weaving, influences the process of fabric, through the preparation of bending to the syringe needle heat treatment and a lot of heating, has increased the intensity and the toughness of syringe needle simultaneously, prevents the emergence deformation of syringe needle, causes the damage, is favorable to prolonging the life-span of its use.
Drawings
FIG. 1 is a schematic structural view of a circular knitting machine needle according to the present invention;
FIG. 2 is a side view of a circular knitting machine needle in accordance with the present invention;
fig. 3 is an enlarged view of a portion a of a circular knitting machine according to the present invention.
In the figure: handle 1, first mounting box 2, bearing 3, second mounting box 4, syringe needle 5, pin 6, first magnet 7, second magnet 8, mounting groove 9, round pin axle 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a circular knitting machine needle comprises a handle 1, wherein the handle 1 and a circular knitting machine are fixedly installed, the lower end of the handle 1 is fixedly connected with a needle head 5, the lower end of the handle 1 is provided with an installation groove 9, the inner walls of two sides of the installation groove 9 are both fixedly connected with bearings 3, the inner axial surface of each bearing 3 is fixedly connected with a pin shaft 10, a stop lever 6 is fixedly connected on each pin shaft 10, one side of each stop lever 6 is fixedly provided with a second installation box 4, a first magnet 7 is fixedly connected in each second installation box 4, one side of the handle 1 is fixedly connected with a first installation box 2, each first installation box 2 is fixedly connected with a second magnet 8, the opposite surfaces of each second magnet 8 and the first magnet 7 are magnetic surfaces with the same polarity, when knitting is performed, a knitting thread is placed in the needle head 5, the repulsive force between the first magnet 7 and the second magnet 8 is used for enabling the stop lever 6 to, the process of the fabric is influenced by the falling of the knitting line, and meanwhile, the second mounting box 4 and the first mounting box 2 are used for mounting the magnet, so that the magnetic force of the magnet is isolated, and the iron chips are prevented from being adhered.
The protective layer is smeared on the outer surface of the needle head 5, the needle head 5 is made of stainless steel materials, the first mounting box 2 and the second mounting box 4 are made of rubber materials, and the protective layer is a chromium alloy coating.
The invention also provides a preparation method of the round machine needle, which comprises the following operation steps:
s1, manufacturing a needle head, namely selecting a stainless steel material, processing the stainless steel material into a stainless steel straight needle with the diameter of 0.5mm, measuring the size of the stainless steel straight needle, and shearing the stainless steel straight needle;
s2, carrying out heat treatment, namely heating the sheared steel needle to 600-;
s3, bending, namely heating the steel needle to 800 ℃ for 700-;
s4, performing surface treatment on the needle head, and coating a protective layer on the outer surface of the needle head;
s5, manufacturing a handle, selecting thermoplastic plastics, namely ABS resin, melting the thermoplastic plastics, pouring the thermoplastic plastics into a mould for cooling and forming, taking out the thermoplastic plastics to be fixedly connected with the needle head, and finally connecting other parts.
The surface treatment comprises the following operation steps:
a1, performing roughness treatment on the surface of the needle head to increase the roughness of the surface of the needle head, so that the protective layer can be conveniently connected, the connection effect of the protective layer is facilitated, and the protective layer is prevented from falling off;
a2, melting the chromium alloy, uniformly coating the chromium alloy on the surface of the needle head, and quickly condensing to form a protective layer, wherein the chromium alloy is used for preparing the protective layer, so that the hardness and the wear resistance of the needle head are improved;
a3, polishing the surface of the protective layer, reducing the roughness of the surface of the protective layer, ensuring the smoothness of the needle head and preventing the abrasion of the knitting line during knitting.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A circular knitting machine needle comprises a handle (1), a needle head (5) is fixedly connected with the lower end of the handle (1), it is characterized in that the lower end of the handle (1) is provided with an installation groove (9), bearings (3) are fixedly connected on the inner walls of the two sides of the mounting groove (9), a pin shaft (10) is fixedly connected on the inner shaft surface of each bearing (3), a stop lever (6) is fixedly connected on the pin shaft (10), a second mounting box (4) is fixedly mounted on one side of the stop lever (6), a first magnet (7) is fixedly connected in the second mounting box (4), a first mounting box (2) is fixedly connected at one side of the handle (1), the first mounting box (2) is fixedly connected with a second magnet (8), the opposite surfaces of the second magnet (8) and the first magnet (7) are magnetic surfaces with the same polarity, and a protective layer is coated on the outer surface of the needle head (5);
when the circular knitting machine needle is prepared, the method comprises the following operation steps:
s1, manufacturing a needle head, namely selecting a stainless steel material, processing the stainless steel material into a stainless steel straight needle with the diameter of 0.5mm, measuring the size of the stainless steel straight needle, and shearing the stainless steel straight needle;
s2, carrying out heat treatment, heating the sheared steel needle to 600 ℃ plus 500 ℃, keeping the temperature for 5-10min, cooling the sheared steel needle in a normal-temperature environment after the heat treatment is finished, heating the sheared steel needle to 300 ℃ plus 200 ℃ plus after the heat treatment is finished, keeping the temperature for 2-3min, then reducing the temperature to 100 ℃ plus 150 ℃, keeping the temperature for 1-2min, finally reducing the temperature to 50-80 ℃, keeping the temperature for 30-45S, and taking out the sheared steel needle;
s3, bending, namely heating the steel needle to 800 ℃ for 700 plus materials, primarily bending the steel needle, wherein the bending angle is 90 degrees, rapidly cooling the steel needle, heating the steel needle to 650 ℃ for 600 plus materials, secondarily bending the steel needle, wherein the bending angle is 45 degrees, gradually cooling the steel needle, heating the steel needle to 550 ℃ for 500 plus materials, thirdly bending the steel needle, wherein the bending angle is 30 degrees, cooling the cooling liquid, finally heating the steel needle to 450 ℃ for 400 plus materials, quadric bending, and naturally cooling the steel needle, wherein the bending angle is 15 degrees;
s4, performing surface treatment on the needle head, and coating a protective layer on the outer surface of the needle head;
s5, manufacturing a handle, namely selecting thermoplastic plastics, specifically ABS resin, melting the thermoplastic plastics, pouring the melted thermoplastic plastics into a mould for cooling and forming, taking out the thermoplastic plastics to be fixedly connected with a needle head, and finally connecting other parts.
2. A circular knitting needle according to claim 1, characterized in that said needle head (5) is made of stainless steel material.
3. A circular knitting machine according to claim 1, characterized in that the first mounting box (2) and the second mounting box (4) are made of rubber material.
4. The circular knitting needle as claimed in claim 1, wherein said protective layer is a chrome coating.
5. The method for manufacturing a round machine needle as claimed in any one of claims 1 to 4, wherein the surface treatment comprises the following steps:
a1, carrying out roughness treatment on the surface of the needle head to increase the roughness of the surface of the needle head;
a2, melting the chromium alloy, then uniformly coating the chromium alloy on the surface of the needle head, and quickly condensing to form a protective layer;
and A3, polishing the surface of the protective layer to reduce the roughness of the surface of the protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910928701.4A CN110629392B (en) | 2019-09-28 | 2019-09-28 | Circular knitting machine needle and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910928701.4A CN110629392B (en) | 2019-09-28 | 2019-09-28 | Circular knitting machine needle and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110629392A CN110629392A (en) | 2019-12-31 |
| CN110629392B true CN110629392B (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910928701.4A Active CN110629392B (en) | 2019-09-28 | 2019-09-28 | Circular knitting machine needle and preparation method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112077544A (en) * | 2020-09-28 | 2020-12-15 | 烟台鑫程制针有限公司 | Manufacturing process of high-grade round machine needle |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289781A (en) * | 2007-04-18 | 2008-10-22 | 兰善兵 | Knit selector for knitting |
| EP2224048B1 (en) * | 2009-02-26 | 2011-08-31 | Groz-Beckert KG | Latch needle with rotating axle pin |
| EP2604359B1 (en) * | 2011-12-14 | 2017-06-14 | Groz-Beckert KG | Latch needle with improved latch bearing and its method of manufacturing |
| US9481951B2 (en) * | 2013-07-25 | 2016-11-01 | David C. Fegley | Needle nook |
| CN203583146U (en) * | 2013-11-06 | 2014-05-07 | 浙江宏锋经纬编有限公司 | Anti-untwisting device of latch needle for warp knitting machine |
| CN105155125A (en) * | 2015-08-17 | 2015-12-16 | 吴江市华运纺织品有限公司 | Latch needle for large jacquard knitting machine |
| CN106012278A (en) * | 2016-07-12 | 2016-10-12 | 无锡商业职业技术学院 | Latch needle for loom |
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- 2019-09-28 CN CN201910928701.4A patent/CN110629392B/en active Active
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| CN110629392A (en) | 2019-12-31 |
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