CN111112425A - Automatic temperature control closing method and device for copper alloy seamless gas cylinder - Google Patents
Automatic temperature control closing method and device for copper alloy seamless gas cylinder Download PDFInfo
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- CN111112425A CN111112425A CN201911355138.2A CN201911355138A CN111112425A CN 111112425 A CN111112425 A CN 111112425A CN 201911355138 A CN201911355138 A CN 201911355138A CN 111112425 A CN111112425 A CN 111112425A
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- copper alloy
- gas cylinder
- temperature
- hot
- cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/24—Making hollow objects characterised by the use of the objects high-pressure containers, e.g. boilers, bottles
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention relates to the field of forming processing and manufacturing, in particular to an automatic temperature control closing method and device for a copper alloy seamless gas cylinder. The method comprises the steps of preprocessing a copper alloy cylinder, then carrying out rotary hot-working forming through a numerical control hot-spinning machine, inputting a detection feedback system aiming at the surface emissivity of the copper alloy cylinder, setting the temperature required by hot working to be 700 plus 900 ℃, and controlling the switch of a heating torch through a set temperature range to enable the cylinder to be always in a set temperature range in the hot working process, thereby realizing the automatic temperature control closing-up forming of the seamless copper alloy gas cylinder. The method and the device solve the problems of defects such as air holes, cracks and the like generated in the welding process of the gas cylinder; the efficiency of the product is greatly improved; the performance of the product can be effectively ensured. The copper alloy gas cylinder can be molded by further processing after being automatically closed, and the processing technology is simple and high in precision.
Description
Technical Field
The invention relates to the field of forming processing and manufacturing, in particular to an automatic temperature control closing method and device for a copper alloy seamless gas cylinder.
Background
At present, the copper alloy seamless gas cylinder mostly adopts a mode of welding and forming end sockets at two ends and a cylinder body. This approach has several disadvantages: 1. the oxidation capacity of the copper alloy is rapidly increased along with the temperature rise during welding, and the generated cuprous oxide reduces the mechanical property of the joint; 2. more hydrogen appears in the copper alloy welding liquid state, so that the defect of air holes is easy to appear; 3. cracks are easy to appear on welding seams; 4. the heat conductivity of the copper alloy is high, heat dissipation is fast during welding, and the surface forming capability is poor; 5. the welding forming process is complicated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an automatic temperature control device of a copper alloy seamless gas cylinder and a closing method thereof, and solves the prior technical problems.
A copper alloy seamless gas cylinder automatic temperature control closing method comprises the steps of preprocessing a copper alloy cylinder, then rotating and carrying out hot processing forming through a numerical control hot spinning machine, inputting a detection feedback system aiming at the surface emissivity of the copper alloy cylinder, setting the temperature required by hot processing to be 700 plus 900 ℃, controlling a switch of a heating torch through a set temperature range, enabling the cylinder to be always in a set temperature range in the hot processing process, and further achieving automatic closing forming of the seamless copper alloy gas cylinder.
The temperature required for the hot working is preferably 800 ℃.
The pretreatment is to treat the surface of the copper alloy cylinder part, remove knifes and pockmarks, and uniformly coat lubricating oil on the treated surface.
The heating torch adopts oxygen-acetylene or natural gas-oxygen as fuel.
The numerical control hot spinning machine is in the course of working, through the deformation rate of its inside close up procedure control copper alloy section of thick bamboo processing, feed rate, close up procedure route is the tangent circular arc of fit, through the increase progressively of repeated tangent circular arc, accomplish gas cylinder head pitch arc fitting shaping, through temperature monitoring feedback system, make the surface of copper alloy section of thick bamboo keep in the temperature range of settlement, the heating torch is tangent for perpendicular axis with the spinning wheel position, the thermometer monitoring position is bottle neck department, the heating torch passes through temperature detection feedback system real time control among the procedure process, keep in best processing temperature range, accomplish the close up process of section of thick bamboo, natural cooling after the shaping.
The closing-in can be finished in a positive closing mode or a negative closing mode.
The automatic temperature control device for the copper alloy seamless gas cylinder comprises a numerical control hot spinning machine, a temperature monitoring feedback system, a heating torch, a temperature measuring instrument and a copper alloy cylinder, wherein the copper alloy cylinder is clamped on the numerical control hot spinning machine, the temperature measuring instrument is installed on the copper alloy cylinder, an output end circuit of the temperature measuring instrument is connected to an input end of the temperature monitoring feedback system, and an output end circuit of the temperature monitoring feedback system is connected with the heating torch.
Advantageous effects
The invention has the beneficial effects that:
1. the defects of air holes, cracks and the like generated in the welding process of the gas cylinder are solved;
2. the efficiency of the product can be greatly improved;
3. the performance of the product can be effectively ensured;
4. the copper alloy gas cylinder can be molded by further processing after being automatically closed, and the processing technology is simple and high in precision.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of the finished gas cylinder after closing in.
In the figure: 1. a numerical control hot spinning machine; 2. a heating torch; 3. a temperature measuring instrument; 4. a temperature monitoring feedback system; 5. a copper alloy cylinder.
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. 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.
Example (b): according to the attached drawings of the specification, the method for automatically controlling the temperature and closing the opening of the copper alloy seamless gas cylinder comprises the steps of pretreating a copper alloy cylinder, wherein the pretreatment is to treat the surface of the copper alloy cylinder, remove knifes and pockmarks, and uniformly coat lubricating oil on the surface after the treatment. And then, carrying out rotary hot-working molding through a numerical control hot spinning machine, recording a detection feedback system aiming at the surface emissivity of the copper alloy cylinder piece, setting the temperature required by hot working to be 700-900 ℃, and controlling the switch of a heating torch through a set temperature range, wherein the heating torch adopts oxygen-acetylene or natural gas-oxygen as fuel. The cylinder piece is always in a set temperature range in the hot processing process, so that the automatic temperature control closing-up forming of the seamless copper alloy gas cylinder is realized.
Wherein the temperature required for the hot working is preferably 800 ℃.
The numerical control hot spinning machine is in the course of working, through the deformation rate of its inside close up procedure control copper alloy section of thick bamboo processing, feed rate, close up procedure route is the tangent circular arc of fit, through the increase progressively of repeated tangent circular arc, accomplish gas cylinder head pitch arc fitting shaping, through temperature monitoring feedback system, make the surface of copper alloy section of thick bamboo keep in the temperature range of settlement, the heating torch is tangent for perpendicular axis with the spinning wheel position, the thermometer monitoring position is bottle neck department, the heating torch passes through temperature detection feedback system real time control among the procedure process, keep in best processing temperature range, accomplish the close up process of section of thick bamboo, natural cooling after the shaping.
The closing can be completed by adopting a positive closing mode or a negative closing mode.
The automatic temperature control device for the copper alloy seamless gas cylinder comprises a numerical control hot spinning machine 1, a temperature monitoring feedback system 4, a heating torch 2, a temperature measuring instrument 3 and a copper alloy cylinder 5, wherein the copper alloy cylinder 5 is clamped on the numerical control hot spinning machine 1, the temperature measuring instrument 3 is installed on the copper alloy cylinder 5, an output end circuit of the temperature measuring instrument 3 is connected to an input end of the temperature monitoring feedback system 4, and an output end circuit of the temperature monitoring feedback system 4 is connected with the heating torch 2.
The working principle of the invention patent is as follows:
1. the barrel is subjected to heat treatment before closing, the heat treatment temperature is 500-720 ℃, the internal stress of the workpiece is removed, the deformation resistance is reduced, and the plasticity is improved;
2. the surface of the cylinder is treated before closing up, the defects of knife flower, hemp mark and the like are removed, the consistency of the integral roughness is ensured, and lubricating oil is uniformly smeared on the surface after treatment so as to reduce the resistance between a die and a workpiece;
3. heating the surface of the barrel part by a heating torch, wherein the heating torch adopts gases such as oxygen-acetylene or natural gas-oxygen as fuels, and after the surface temperature of a workpiece reaches 700-900 ℃, the automatic starting program of the numerical control hot spinning machine is used for processing;
4. in the processing process, the deformation rate and the feeding rate of the processing are controlled by a closing program, the closing program path is a fitting tangent circular arc, the arc fitting and forming of the gas cylinder end socket are completed by increasing the repeated tangent circular arc, the surface of the copper alloy cylinder piece is kept in a set temperature range through a temperature monitoring feedback system, a heating torch is tangent to a spinning wheel in a vertical axis, the monitoring position of a temperature instrument is at the cylinder mouth, the heating torch is controlled in real time through the temperature monitoring feedback system in the program process and is kept in an optimal processing temperature range, the closing process of the cylinder piece is completed, and the cylinder piece is naturally cooled after being formed;
5. the closing can be completed by adopting a positive closing or a negative closing mode;
6. the diameter ratio of the rotary wheel to the workpiece is (1: 2-1: 3), and the ratio of the process fillet of the rotary wheel to the thickness of the workpiece is (1-1.5).
7. And after closing up, the outer contour dimension and the wall thickness condition of the gas cylinder are inspected, and the requirements of the gas cylinder on the process dimension are met.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An automatic temperature control closing method for a copper alloy seamless gas cylinder is characterized by comprising the following steps: the method comprises the steps of preprocessing a copper alloy cylinder, then carrying out rotary hot-working forming through a numerical control hot-spinning machine, inputting a detection feedback system aiming at the surface emissivity of the copper alloy cylinder, setting the temperature required by hot working to be 700 plus 900 ℃, and controlling the switch of a heating torch through a set temperature range to enable the cylinder to be always in a set temperature range in the hot working process, thereby realizing the automatic temperature control closing-up forming of the seamless copper alloy gas cylinder.
2. The automatic temperature-control necking-in method of the copper alloy seamless gas cylinder according to claim 1, characterized in that: the temperature required for the hot working is preferably 800 ℃.
3. The automatic temperature-control necking-in method of the copper alloy seamless gas cylinder according to claim 1, characterized in that: the pretreatment is to treat the surface of the copper alloy cylinder part, remove knifes and pockmarks, and uniformly coat lubricating oil on the treated surface.
4. The automatic temperature-control necking-in method of the copper alloy seamless gas cylinder according to claim 1, characterized in that: the heating torch adopts oxygen-acetylene or natural gas-oxygen as fuel.
5. The automatic temperature-control necking-in method of the copper alloy seamless gas cylinder according to claim 1, characterized in that: the numerical control hot spinning machine is in the course of working, through the deformation rate of its inside close up procedure control copper alloy section of thick bamboo processing, feed rate, close up procedure route is the tangent circular arc of fit, through the increase progressively of repeated tangent circular arc, accomplish gas cylinder head pitch arc fitting shaping, through temperature monitoring feedback system, make the surface of copper alloy section of thick bamboo keep in the temperature range of settlement, the heating torch is tangent for perpendicular axis with the spinning wheel position, the thermometer monitoring position is bottle neck department, the heating torch passes through temperature detection feedback system real time control among the procedure process, keep in best processing temperature range, accomplish the close up process of section of thick bamboo, natural cooling after the shaping.
6. The automatic temperature-control necking-in method for the copper alloy seamless gas cylinder according to claim 5, characterized in that: the closing-in can be finished in a positive closing mode or a negative closing mode.
7. The automatic temperature control device for the copper alloy seamless gas cylinder of claim 1 is characterized in that: the temperature measuring device is characterized by comprising a numerical control hot spinning machine (1), a temperature monitoring feedback system (4), a heating torch (2), a temperature measuring instrument (3) and a copper alloy barrel part (5), wherein the copper alloy barrel part (5) is clamped on the numerical control hot spinning machine (1), the temperature measuring instrument (3) is installed on the copper alloy barrel part (5), an output end circuit of the temperature measuring instrument (3) is connected to an input end of the temperature monitoring feedback system (4), and an output end circuit of the temperature monitoring feedback system (4) is connected with the heating torch (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911355138.2A CN111112425A (en) | 2019-12-25 | 2019-12-25 | Automatic temperature control closing method and device for copper alloy seamless gas cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911355138.2A CN111112425A (en) | 2019-12-25 | 2019-12-25 | Automatic temperature control closing method and device for copper alloy seamless gas cylinder |
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| CN111112425A true CN111112425A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911355138.2A Pending CN111112425A (en) | 2019-12-25 | 2019-12-25 | Automatic temperature control closing method and device for copper alloy seamless gas cylinder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325151A (en) * | 2020-11-19 | 2021-02-05 | 沈阳欧施盾新材料科技有限公司 | Method for manufacturing copper alloy seamless gas cylinder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879563A (en) * | 2010-06-25 | 2010-11-10 | 中材科技（苏州）有限公司 | Liner end enclosure molding process of high-pressure hydrogen storage cylinder |
| CN103706716A (en) * | 2014-01-09 | 2014-04-09 | 哈尔滨工业大学 | Method for hot-spinning accurate temperature control of titanium alloy thin wall component |
| JP2018103221A (en) * | 2016-12-27 | 2018-07-05 | 株式会社旭製作所 | Material processing method of spinning machine |
| CN207909001U (en) * | 2018-01-04 | 2018-09-25 | 沈阳欧施盾新材料科技有限公司 | Temperature automatically controlled hot-spinning reducing device |
| CN110508658A (en) * | 2019-07-31 | 2019-11-29 | 上海航天精密机械研究所 | Steel pipe spinning temperature automatic control equipment and control method |
-
2019
- 2019-12-25 CN CN201911355138.2A patent/CN111112425A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879563A (en) * | 2010-06-25 | 2010-11-10 | 中材科技（苏州）有限公司 | Liner end enclosure molding process of high-pressure hydrogen storage cylinder |
| CN103706716A (en) * | 2014-01-09 | 2014-04-09 | 哈尔滨工业大学 | Method for hot-spinning accurate temperature control of titanium alloy thin wall component |
| JP2018103221A (en) * | 2016-12-27 | 2018-07-05 | 株式会社旭製作所 | Material processing method of spinning machine |
| CN207909001U (en) * | 2018-01-04 | 2018-09-25 | 沈阳欧施盾新材料科技有限公司 | Temperature automatically controlled hot-spinning reducing device |
| CN110508658A (en) * | 2019-07-31 | 2019-11-29 | 上海航天精密机械研究所 | Steel pipe spinning temperature automatic control equipment and control method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325151A (en) * | 2020-11-19 | 2021-02-05 | 沈阳欧施盾新材料科技有限公司 | Method for manufacturing copper alloy seamless gas cylinder |
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Application publication date: 20200508 |