CN110924200A - Steel wire rope online production line precision improving process - Google Patents
Steel wire rope online production line precision improving processDownload PDFInfo
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- CN110924200A CN110924200ACN201911170321.5ACN201911170321ACN110924200ACN 110924200 ACN110924200 ACN 110924200ACN 201911170321 ACN201911170321 ACN 201911170321ACN 110924200 ACN110924200 ACN 110924200A
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- wire rope
- steel wire
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0673—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
- D07B1/141—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases
- D07B1/144—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases for cables or cable components built-up from metal wires
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2087—Jackets or coverings being of the coated type
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2088—Jackets or coverings having multiple layers
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2092—Jackets or coverings characterised by the materials used
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
- D07B2205/3021—Metals
- D07B2205/3025—Steel
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Ropes Or Cables (AREA)
- Metal Extraction Processes (AREA)
Abstract
Description
Technical Field
The invention belongs to the technical field of steel wire rope production, and particularly relates to a precision improving process for an online steel wire rope production line.
Background
The steel wire rope is a spiral steel wire bundle formed by twisting steel wires with mechanical property and geometric dimension meeting requirements together according to a certain rule, and consists of the steel wires, a rope core and lubricating grease. The steel wire rope is a spiral rope which is formed by twisting a plurality of layers of steel wires into strands, and then twisting a certain number of strands by taking a rope core as a center. In a material handling machine for lifting, pulling, tensioning and carrying. The steel wire rope has high strength, light dead weight, stable work, difficult sudden whole breakage and reliable work.
At present, the production process of the steel wire rope has some problems: in the production process of the steel wire rope, the precision requirement is low when the steel wire rope is drawn, the steel wire rope is easy to break when being drawn, in addition, when the steel wire rope is coated, the plastic coating surface is not smooth, the surface glossiness of the finished steel wire rope is poor, and the finished steel wire rope is not attractive.
Therefore, the precision improving process for the steel wire rope on-line production line is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, the pretreated wire rod is drawn for multiple times by the drawing machine, the pass of each drawing is gradually reduced, the reduction coefficient is lower, thereby improving the precision of the process, increasing the success rate of the steel wire rope production, in addition, the flat aluminum film is coated on the steel wire rope to be finished by utilizing the mold core, the plastic extruder gradually heats the plastic to soften the plastic, in the die, the molten plastic is uniformly wrapped on the outer surface of the steel wire rope to be finished with the aluminum film, and finally after the steel wire rope is demoulded and cooled, the plastic-coated surface of the steel wire rope to be finished is smoother, the finished steel wire rope has better surface glossiness, is attractive, has a more stable structure, has certain cushioning and anti-extrusion effects, and can prolong the service life of the finished steel wire rope, so that the steel wire rope on-line production line precision improving process is provided.
In order to achieve the purpose, the invention provides the following technical scheme:
a steel wire rope on-line production line precision improving process comprises the following steps:
s1, pretreating round steel, wherein the pretreatment comprises round steel acid pickling and zinc series phosphating;
s2, drying the pretreated round steel in a drying device to obtain a pretreated wire;
s3, drawing the preprocessed wire, placing the preprocessed wire in a drawing machine for drawing for multiple times, and taking up after drawing is finished to obtain a semi-finished wire, wherein the drawing passes for multiple times are respectively as follows:
5.6-4.8-3.8-3.20-2.90-2.60-2.30-2.00-1.65-1.55-1.45-1.35-1.2-1.1-1.05-0.9-0.8-0.72-0.65--0.63-0.60-0.55--0.53-0.50-0.45；
s4, placing the semi-finished wire subjected to drawing treatment into a heat treatment furnace for heating treatment, and cleaning and cooling after heating;
s5, putting the semi-finished wire subjected to heat treatment into a zinc pot for galvanizing;
s6, putting the semi-finished wire subjected to the galvanizing treatment into a stranding machine for stranding;
and S7, feeding the stranded semi-finished wire rods into a rope combining machine for combining ropes to obtain the steel wire ropes to be finished.
S8, coating an aluminum film on the steel wire rope to be finished, heating plastic to 160-190 ℃ by using a plastic extruder, allowing the steel wire rope to be finished arranged on a pay-off rack and a flat aluminum film arranged in a disc to enter a mold core of a mold of the extruder at a constant speed under the action of a tractor, and coating the flat aluminum film on the surface of the steel wire rope to be finished after the flat aluminum film and the steel wire rope to be finished pass through the mold core;
s9, performing plastic coating treatment on the steel wire rope to be finished after the aluminum film coating treatment, extruding plastics into a cavity of a mold by using a plastic extruder, coating the plastics on the steel wire rope to be finished with the aluminum film on the surface under extrusion force to form the steel wire rope to be cooled, drawing the steel wire rope to be cooled out of the mold sleeve under the action of a tractor, drawing the steel wire rope to be cooled into a water tank to be cooled under the action of the tractor, and cooling to form the steel wire rope to be finished.
Preferably, in the step S1, the round steel pickling is to perform pickling treatment on the round steel by using a hydrochloric acid solution to remove rust and rolling scale on the surface of the round steel; the pickling is to pickle the round steel in hydrochloric acid solution with gradually increased concentration; this reduces the consumption of hydrochloric acid during pickling and reduces the time required to soak the round steel in a single concentration of hydrochloric acid.
Preferably, the zinc-based phosphating treatment in the step S1 is to put the round steel after the water washing into a zinc-based phosphating solution to perform phosphating treatment on the round steel; a layer of water-insoluble phosphate film is obtained on the surface of the round steel through phosphating treatment, so that the rust prevention capability of the steel wire rope is improved to a certain extent.
Preferably, in the drawing process in step S3, a lubricant is added, the lubricant is a drawing-dedicated lubricant and has a concentration of 3%, and the drawing is performed such that the die compression angle of each pass of drawing is 12 to 14 °.
Preferably, the temperature of the heat treatment furnace in the step S4 is within the range of 700 ℃ to 800 ℃.
Preferably, the temperature of the zinc pot in the step S5 is 440-460 ℃.
Preferably, temperature sensors are installed in the heat treatment furnace in the step S4 and the zinc pot in the step S5, the temperature sensors are Pt100 temperature sensors, the Pt100 temperature sensors are positive temperature coefficient thermistor sensors, and the measurement range is as follows: the Pt100 temperature sensor has the advantages of vibration resistance, good stability, high accuracy, high pressure resistance and the like at the temperature of minus 200 ℃ to +850 ℃.
Preferably, the width of the flat aluminum film in step S8 is the same as the outer diameter of the steel cord to be finished.
Preferably, in the step S8, the flat aluminum film enters the mold along one side of the mold, and the steel wire rope to be finished enters the mold along the other side of the mold.
The invention has the technical effects and advantages that:
according to the steel wire rope on-line production line precision improving process provided by the invention, the pre-treated wire rod is drawn for multiple times through the drawing machine, the drawing pass of each time is gradually reduced, and the reduced coefficient is lower, so that the process precision is improved, the steel wire rope production success rate is increased, in addition, a flat aluminum film is coated on the steel wire rope to be finished by utilizing the mold core, the plastic is gradually heated and softened by the plastic extruder, the molten plastic is uniformly coated on the outer surface of the steel wire rope to be finished with the aluminum film in the mold, finally, after mold stripping and cooling, the plastic coating surface of the steel wire rope to be finished is smoother, the surface gloss of the steel wire rope to be finished is better, the steel wire rope to be finished is attractive, the steel wire rope to be finished is more stable in structure, certain cushioning and anti-extrusion effects are achieved.
Drawings
Fig. 1 is a schematic flow chart of the precision improving process of the steel wire rope on-line production line.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the invention provides a precision improving process for a steel wire rope on-line production line, which comprises the following steps:
s1, pretreating round steel, wherein the pretreatment comprises round steel acid pickling and zinc series phosphating;
s2, drying the pretreated round steel in a drying device to obtain a pretreated wire;
s3, drawing the preprocessed wire, placing the preprocessed wire in a drawing machine for drawing for multiple times, and taking up after drawing is finished to obtain a semi-finished wire, wherein the drawing passes for multiple times are respectively as follows:
5.6-4.8-3.8-3.20-2.90-2.60-2.30-2.00-1.65-1.55-1.45-1.35-1.2-1.1-1.05-0.9-0.8-0.72-0.65--0.63-0.60-0.55--0.53-0.50-0.45；
s4, placing the semi-finished wire subjected to drawing treatment into a heat treatment furnace for heating treatment, and cleaning and cooling after heating;
s5, putting the semi-finished wire subjected to heat treatment into a zinc pot for galvanizing;
s6, putting the semi-finished wire subjected to the galvanizing treatment into a stranding machine for stranding;
and S7, feeding the stranded semi-finished wire rods into a rope combining machine for combining ropes to obtain the steel wire ropes to be finished.
S8, coating an aluminum film on the steel wire rope to be finished, heating plastic to 160-190 ℃ by using a plastic extruder, allowing the steel wire rope to be finished arranged on a pay-off rack and a flat aluminum film arranged in a disc to enter a mold core of a mold of the extruder at a constant speed under the action of a tractor, and coating the flat aluminum film on the surface of the steel wire rope to be finished after the flat aluminum film and the steel wire rope to be finished pass through the mold core;
s9, performing plastic coating treatment on the steel wire rope to be finished after the aluminum film coating treatment, extruding plastics into a cavity of a mold by using a plastic extruder, coating the plastics on the steel wire rope to be finished with the aluminum film on the surface under extrusion force to form the steel wire rope to be cooled, drawing the steel wire rope to be cooled out of the mold sleeve under the action of a tractor, drawing the steel wire rope to be cooled into a water tank to be cooled under the action of the tractor, and cooling to form the steel wire rope to be finished.
In the step S1, the round steel pickling is to perform pickling treatment on the round steel by using a hydrochloric acid solution to remove rust and rolling scale on the surface of the round steel; the pickling is to pickle the round steel in hydrochloric acid solution with gradually increased concentration; this reduces the consumption of hydrochloric acid during pickling and reduces the time required to soak the round steel in a single concentration of hydrochloric acid.
Specifically, the zinc phosphating treatment in the step S1 is to put the round steel after the water washing into a zinc phosphating solution to perform phosphating treatment on the round steel; a layer of water-insoluble phosphate film is obtained on the surface of the round steel through phosphating treatment, so that the rust prevention capability of the steel wire rope is improved to a certain extent.
Specifically, in the drawing process in step S3, a lubricant is required to be added, the lubricant is a drawing-dedicated lubricant with a concentration of 3%, and the drawing is performed such that the drawing die compression angle in each pass of drawing is 12 to 14 °.
Specifically, the temperature of the heat treatment furnace in the step S4 is within the range of 700 ℃ and 800 ℃.
Specifically, the temperature of the zinc pot in the step S5 is 440-460 ℃.
Specifically, temperature sensors are respectively installed in the heat treatment furnace in the step S4 and the zinc pot in the step S5, the temperature sensors can conveniently detect the temperatures inside the heat treatment furnace and the zinc pot, and the temperature is prevented from being lower than or higher than a preset value, the temperature sensors are Pt100 temperature sensors, the Pt100 temperature sensors are positive temperature coefficient thermistor sensors, and the measurement range is as follows: the Pt100 temperature sensor has the advantages of vibration resistance, good stability, high accuracy, high pressure resistance and the like at the temperature of minus 200 ℃ to +850 ℃.
Specifically, the width of the flat aluminum film in step S8 is the same as the outer diameter of the steel wire rope to be finished.
Specifically, in the step S8, the flat aluminum film enters the mold along one side of the mold, and the steel wire rope to be finished enters the mold along the other side of the mold.
In summary, the following steps: according to the steel wire rope on-line production line precision improving process provided by the invention, the pre-treated wire rod is drawn for multiple times through the drawing machine, the drawing pass of each time is gradually reduced, and the reduced coefficient is lower, so that the process precision is improved, the steel wire rope production success rate is increased, in addition, a flat aluminum film is coated on the steel wire rope to be finished by utilizing the mold core, the plastic is gradually heated and softened by the plastic extruder, the molten plastic is uniformly coated on the outer surface of the steel wire rope to be finished with the aluminum film in the mold, finally, after mold stripping and cooling, the plastic coating surface of the steel wire rope to be finished is smoother, the surface gloss of the steel wire rope to be finished is better, the steel wire rope to be finished is attractive, the steel wire rope to be finished is more stable in structure, certain cushioning and anti-extrusion effects are achieved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The steel wire rope on-line production line precision lifting process is characterized by comprising the following steps of:
s1, pretreating round steel, wherein the pretreatment comprises round steel acid pickling and zinc series phosphating;
s2, drying the pretreated round steel in a drying device to obtain a pretreated wire;
s3, drawing the preprocessed wire, placing the preprocessed wire in a drawing machine for drawing for multiple times, and taking up after drawing is finished to obtain a semi-finished wire, wherein the drawing passes for multiple times are respectively as follows: 5.6-4.8-3.8-3.20-2.90-2.60-2.30-2.00-1.65-1.55-1.45-1.35-1.2-1.1-1.05-0.9-0.8-0.72-0.65-0.63-0.60-0.55-0.53-0.50-0.45;
s4, placing the semi-finished wire subjected to drawing treatment into a heat treatment furnace for heating treatment, and cleaning and cooling after heating;
s5, putting the semi-finished wire subjected to heat treatment into a zinc pot for galvanizing;
s6, putting the semi-finished wire subjected to the galvanizing treatment into a stranding machine for stranding;
and S7, feeding the stranded semi-finished wire rods into a rope combining machine for combining ropes to obtain the steel wire ropes to be finished.
S8, coating an aluminum film on the steel wire rope to be finished, heating plastic to 160-190 ℃ by using a plastic extruder, allowing the steel wire rope to be finished arranged on a pay-off rack and a flat aluminum film arranged in a disc to enter a mold core of a mold of the extruder at a constant speed under the action of a tractor, and coating the flat aluminum film on the surface of the steel wire rope to be finished after the flat aluminum film and the steel wire rope to be finished pass through the mold core;
s9, performing plastic coating treatment on the steel wire rope to be finished after the aluminum film coating treatment, extruding plastics into a cavity of a mold by using a plastic extruder, coating the plastics on the steel wire rope to be finished with the aluminum film on the surface under extrusion force to form the steel wire rope to be cooled, drawing the steel wire rope to be cooled out of the mold sleeve under the action of a tractor, drawing the steel wire rope to be cooled into a water tank to be cooled under the action of the tractor, and cooling to form the steel wire rope to be finished.
2. The steel wire rope on-line production line precision lifting process according to claim 1, characterized in that: in the step S1, the round steel pickling is to carry out pickling treatment on the round steel by using a hydrochloric acid solution to remove rusty materials and rolling skins on the surface of the round steel; the pickling is to pickle the round steel in hydrochloric acid solution with gradually increased concentration; this reduces the consumption of hydrochloric acid during pickling and reduces the time required to soak the round steel in a single concentration of hydrochloric acid.
3. The steel wire rope on-line production line precision lifting process according to claim 1, characterized in that: the zinc phosphating treatment in the step S1 is to put the round steel after the water washing into zinc phosphating solution to carry out phosphating treatment on the round steel; a layer of water-insoluble phosphate film is obtained on the surface of the round steel through phosphating treatment, so that the rust prevention capability of the steel wire rope is improved to a certain extent.
4. The steel wire rope on-line production line precision lifting process according to claim 1, characterized in that: in the step S3, a lubricant is required to be added during the drawing process, the lubricant is a lubricant special for drawing, the concentration of the lubricant is 3%, and the compression angle of the wire-drawing die for each pass of drawing is 12-14 degrees.
5. The steel wire rope on-line production line precision lifting process according to claim 1, characterized in that: the temperature of the heat treatment furnace in the step S4 is within the range of 700-800 ℃.
6. The steel wire rope on-line production line precision lifting process according to claim 1, characterized in that: the temperature of the zinc pot in the step S5 is 440-460 ℃.
7. The steel wire rope on-line production line precision lifting process according to claim 1, characterized in that: temperature sensors are respectively arranged in the heat treatment furnace in the step S4 and the zinc pot in the step S5, the temperature sensors are Pt100 temperature sensors, the Pt100 temperature sensors are positive temperature coefficient thermistor sensors, and the measurement ranges are as follows: the Pt100 temperature sensor has the advantages of vibration resistance, good stability, high accuracy, high pressure resistance and the like at the temperature of minus 200 ℃ to +850 ℃.
8. The steel wire rope on-line production line precision lifting process according to claim 1, characterized in that: the width of the flat aluminum film in the step S8 is the same as the outer diameter of the steel wire rope to be finished.
9. The steel wire rope on-line production line precision lifting process according to claim 1, characterized in that: and in the step S8, the flat aluminum film enters the die along one side of the die, and the steel wire rope to be finished enters the die along the other side of the die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170321.5ACN110924200A (en) | 2019-11-26 | 2019-11-26 | Steel wire rope online production line precision improving process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170321.5ACN110924200A (en) | 2019-11-26 | 2019-11-26 | Steel wire rope online production line precision improving process |
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| CN110924200Atrue CN110924200A (en) | 2020-03-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115787051A (en)* | 2022-12-13 | 2023-03-14 | 江苏鸿泽不锈钢丝绳有限公司 | Galvanizing treatment process for steel wire rope production and processing |
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| CN103541249A (en)* | 2013-10-14 | 2014-01-29 | 无锡通用钢绳有限公司 | Medium carbon steel wire rope and production process thereof |
| CN108221418A (en)* | 2018-04-12 | 2018-06-29 | 青岛建邦士金属制品有限公司 | A kind of steel wire rope and its production technology |
| CN108611891A (en)* | 2018-07-23 | 2018-10-02 | 谢正彪 | Alclad film plastic coated wire ropes production technology |
| CN109281213A (en)* | 2018-10-22 | 2019-01-29 | 江苏恒亿能金属科技有限公司 | Plastic corrosion-resistant steel wire rope processing technology |
- 2019
- 2019-11-26CNCN201911170321.5Apatent/CN110924200A/enactivePending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352381A (en)* | 2013-07-25 | 2013-10-16 | 张家港市胜达钢绳有限公司 | Production method of high-strength steel rope |
| CN103541249A (en)* | 2013-10-14 | 2014-01-29 | 无锡通用钢绳有限公司 | Medium carbon steel wire rope and production process thereof |
| CN108221418A (en)* | 2018-04-12 | 2018-06-29 | 青岛建邦士金属制品有限公司 | A kind of steel wire rope and its production technology |
| CN108611891A (en)* | 2018-07-23 | 2018-10-02 | 谢正彪 | Alclad film plastic coated wire ropes production technology |
| CN109281213A (en)* | 2018-10-22 | 2019-01-29 | 江苏恒亿能金属科技有限公司 | Plastic corrosion-resistant steel wire rope processing technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115787051A (en)* | 2022-12-13 | 2023-03-14 | 江苏鸿泽不锈钢丝绳有限公司 | Galvanizing treatment process for steel wire rope production and processing |
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