CN110653573B - Method for manufacturing three-composite end socket - Google Patents
Method for manufacturing three-composite end socket Download PDFInfo
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- CN110653573B CN110653573B CN201910980874.0A CN201910980874A CN110653573B CN 110653573 B CN110653573 B CN 110653573B CN 201910980874 A CN201910980874 A CN 201910980874A CN 110653573 B CN110653573 B CN 110653573B
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- end socket
- material plate
- body blank
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- manufacturing
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- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 70
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 238000004321 preservation Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000002787 reinforcement Effects 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000000748 compression moulding Methods 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 229920001187 thermosetting polymer Polymers 0.000 claims description 5
- 238000013007 heat curing Methods 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 9
- 238000003825 pressing Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/186—High-melting or refractory metals or alloys based thereon of zirconium or alloys based thereon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a method for manufacturing a three-composite end socket, which comprises the following steps: pretreating and blanking the surface of the end socket material plate; carrying out early-stage heat treatment on the end socket material plate; heating and insulating the end socket material plate, and then pressing and forming; pressing and forming again to obtain a head sealing body blank; checking and checking the head sealing body blank, and finishing the head sealing body blank; reinforcing the surface of the head body blank; carrying out furnace returning and heat preservation treatment on the head body blank; according to the invention, the end socket material plate is subjected to early-stage heat treatment after blanking, and the temperature change of the heating furnace is controlled in the press forming process, so that the problem that the repair cost is increased due to cracks generated in the processing process of the composite plate material of the three-composite end socket can be effectively solved, the surface of the end socket body blank is subjected to reinforcement treatment, the quality of the formed end socket can be effectively improved, the strength is higher, and the profile deformation in the manufacturing process is reduced.
Description
Technical Field
The invention relates to the technical field of end socket manufacturing, in particular to a manufacturing method of a three-composite end socket.
Background
The end socket is an element for sealing the end part of the container to isolate the internal and external media, also called an end cover, the end socket of the cylindrical container is generally a revolving shell and can be divided into a convex shape, a conical shape, a flat plate shape and a combined shape according to the shape of the surface of the end socket, the convex end socket is an end socket with a convex surface shape, such as a hemispherical shape, an elliptical shape, a dish shape, a non-folded edge spherical end socket and the like, and the existing gas cylinder adopts a combined bottom end socket with an inward convex surface, so that the strength can be ensured, and the requirement of safe use can be met;
the end sockets are various in types, the requirements of the end sockets with different purposes on materials are different, in order to meet the requirements of the end socket manufacturing with certain specific purposes, special materials are often needed to manufacture the end sockets, in order to expand the application range and the product performance of the end sockets, a plurality of composite plate end sockets are important development directions, in the existing composite plate end socket manufacturing process, the forming outline shape precision of the end sockets is low, the formed end socket outline shape is easy to deform and cannot meet the drawing requirements, and the composite plate materials in the composite plate end sockets are easy to crack in the processing process and need to be repaired, so that the consumed resources and the labor cost are high.
Disclosure of Invention
Aiming at the problems, the invention provides the manufacturing method of the three-composite end socket, which can effectively avoid the problem that the composite board material of the three-composite end socket has cracks in the processing process to increase the repair cost by carrying out the early-stage heat treatment on the end socket material board after blanking and controlling the temperature change of the heating furnace in the pressing forming process, and can effectively improve the quality of the end socket after forming, have higher strength and reduce the outline shape in the manufacturing process by carrying out the reinforcement treatment on the surface of the end socket body blank.
The invention provides a method for manufacturing a three-composite end socket, which comprises the following steps:
the method comprises the following steps: selecting a three-composite plate consisting of Zr705, Ti and common low alloy steel as a head material plate, pretreating the surface of the head material plate, including surface cleaning and surface rough polishing, and then blanking according to a customer design drawing;
step two: carrying out early-stage heat treatment on the end socket material plate after blanking, putting the end socket material plate into a heating furnace at the temperature of 200-250 ℃, preserving heat for 3-4 hours, and then cooling to 50-80 ℃ within 20-30 minutes;
step three: naturally cooling the end socket material plate cooled to 50-80 ℃ in the step two to room temperature, then placing for 8-10 hours, then placing the end socket material plate into a heating furnace at 800-1000 ℃ for heating and heat preservation for 2-3 hours, and then taking out the end socket material plate for press forming at the temperature of not less than 800 ℃;
step four: after the first compression molding of the end socket material plate, heating the end socket material plate in the heating furnace again, and then compressing the end socket material plate for 2 or 3 times again, wherein the temperature of the end socket material plate is controlled to be not lower than 850 ℃ during each compression, so that a head sealing body blank is obtained;
step five: after the head body blank obtained in the fourth step is cooled, checking and checking the head body blank, and trimming the head body blank;
step six: reinforcing the surface of the trimmed sealing head body blank, specifically spraying a high-temperature-resistant coating on the surface of the trimmed sealing head body blank, and then performing thermosetting treatment on the high-temperature-resistant coating in a nitrogen atmosphere;
step seven: and (4) performing furnace returning and heat preservation treatment on the head body blank after the reinforcement treatment, preserving heat for 1-2 hours in a heat preservation furnace at the temperature of 150-.
The further improvement lies in that: in the step one, the surface is cleaned by soaking the end socket material plate in alkalescent cleaning solution for 5-8 minutes, then the end socket material plate is washed and rinsed by clear water, after the surface is roughly polished, the surface of the end socket material plate needs to be washed and rinsed by clear water again, and then the end socket material plate is dried.
The further improvement lies in that: and in the first step, the blanking is carried out in a numerical control manner, and the size of the end socket material plate needs to be rechecked after the blanking.
The further improvement lies in that: before the end socket material plate is placed into the heating furnace for heat preservation in the second step, the heating furnace is firstly heated to 150-.
The further improvement lies in that: in the third step, before the end socket material plate is pressed and formed at the temperature of not lower than 800 ℃, the forming mold needs to be preheated, the preheating temperature is 180 ℃ and 220 ℃, and the preheating time is 15 minutes.
The further improvement lies in that: and after the fourth step of the first compression molding of the material plate of the middle head, when the material plate is heated again in the heating furnace, controlling the temperature in the heating furnace to 1100-1150 ℃, and the heating time to be 20-30 minutes.
The further improvement lies in that: and step five, when the head body blank is trimmed, specifically, burrs generated at the edge of the head body blank are polished and removed.
The further improvement lies in that: in the sixth step, the heat curing treatment temperature is 200-220 ℃, and the heat curing time is 40-50 minutes.
The further improvement lies in that: and when the head body blank is subjected to water cooling in the ninth step, controlling the cooling speed to enable the head body blank to be rapidly cooled to the room temperature within 5-8 minutes.
The invention has the beneficial effects that: according to the invention, the head material plate is subjected to early-stage heat treatment after blanking, and the temperature change of the heating furnace is controlled in the pressing forming process, so that the problem that the repair cost is increased due to cracks generated in the processing process of the composite plate material of the three-composite head can be effectively solved, higher economic benefit can be generated, the manufacturing efficiency is high, the product quality stability is good, the quality after head forming can be effectively improved by reinforcing the surface of the head body blank, the strength is higher, and the profile shape in the manufacturing process is reduced.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
The manufacturing method of the three-composite end socket comprises the following steps:
the method comprises the following steps: selecting a three-composite board consisting of Zr705, Ti and common low alloy steel as a head material board, pretreating the surface of the head material board, wherein the pretreatment comprises surface cleaning and surface rough polishing, the surface cleaning adopts weak alkaline cleaning liquid to soak the head material board for 6 minutes, then the head material board is washed and rinsed with clear water, the surface of the head material board needs to be washed and rinsed again with clear water after the surface rough polishing, then the head material board is dried, then the head material board is blanked according to a customer design drawing, the blanking adopts numerical control blanking, and the size of the head material board needs to be rechecked after the blanking;
step two: carrying out early-stage heat treatment on the discharged end socket material plate, heating the heating furnace to 160 ℃ in an empty furnace, then preserving heat for 10 minutes, then putting the end socket material plate into the heating furnace, raising the temperature of the heating furnace to 230 ℃, preserving heat for 3.5 hours, and then cooling to 70 ℃ in 25 minutes;
step three: naturally cooling the end socket material plate cooled to 65 ℃ in the step two to room temperature, then placing for 9 hours, placing the end socket material plate in a heating furnace at 900 ℃ again for heating and heat preservation for 2.5 hours, preheating a forming mold at 190 ℃ for 15 minutes, and then taking out the end socket material plate for press forming at a temperature not lower than 800 ℃;
step four: after the first compression molding of the end socket material plate, heating the end socket material plate in the heating furnace again, controlling the temperature in the heating furnace to be 1120 ℃, heating for 25 minutes, and then compressing for 3 times again, wherein the temperature of the end socket material plate is controlled to be not lower than 850 ℃ during each compression, so as to obtain an end socket body blank;
step five: after the head body blank obtained in the fourth step is cooled, checking and checking the head body blank, trimming the head body blank, and polishing and removing burrs generated at the edge of the head body blank;
step six: carrying out reinforcement treatment on the surface of the trimmed head body blank, specifically spraying a high-temperature-resistant coating on the surface of the head body blank, and then carrying out thermosetting treatment on the high-temperature-resistant coating in a nitrogen atmosphere, wherein the thermosetting treatment temperature is 210 ℃, and the thermosetting time is 45 minutes;
step seven: and (3) carrying out furnace returning and heat preservation treatment on the head body blank after the reinforcement treatment, preserving heat for 1.5 hours in a heat preservation furnace at 180 ℃, then cooling to room temperature by water, and rapidly cooling to room temperature within 7 minutes by controlling the cooling speed to obtain the three-composite head.
According to the invention, the head material plate is subjected to early-stage heat treatment after blanking, and the temperature change of the heating furnace is controlled in the pressing forming process, so that the problem that the repair cost is increased due to cracks generated in the processing process of the composite plate material of the three-composite head can be effectively solved, higher economic benefit can be generated, the manufacturing efficiency is high, the product quality stability is good, the quality after head forming can be effectively improved by reinforcing the surface of the head body blank, the strength is higher, and the profile shape in the manufacturing process is reduced.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The manufacturing method of the three-composite end socket is characterized by comprising the following steps:
the method comprises the following steps: selecting a three-composite plate consisting of Zr705, Ti and common low alloy steel as a head material plate, pretreating the surface of the head material plate, including surface cleaning and surface rough polishing, and then blanking according to a customer design drawing;
step two: carrying out early-stage heat treatment on the end socket material plate after blanking, putting the end socket material plate into a heating furnace at the temperature of 200-250 ℃, preserving heat for 3-4 hours, and then cooling to 50-80 ℃ within 20-30 minutes;
step three: naturally cooling the end socket material plate cooled to 50-80 ℃ in the step two to room temperature, then placing for 8-10 hours, then placing the end socket material plate into a heating furnace at 800-1000 ℃ for heating and heat preservation for 2-3 hours, and then taking out the end socket material plate for press forming at the temperature of not less than 800 ℃;
step four: after the first compression molding of the end socket material plate, heating the end socket material plate in the heating furnace again, and then compressing the end socket material plate for 2 or 3 times again, wherein the temperature of the end socket material plate is controlled to be not lower than 850 ℃ during each compression, so that a head sealing body blank is obtained;
step five: after the head body blank obtained in the fourth step is cooled, checking and checking the head body blank, and trimming the head body blank;
step six: reinforcing the surface of the trimmed sealing head body blank, specifically spraying a high-temperature-resistant coating on the surface of the trimmed sealing head body blank, and then performing thermosetting treatment on the high-temperature-resistant coating in a nitrogen atmosphere;
step seven: and (4) performing furnace returning and heat preservation treatment on the head body blank after the reinforcement treatment, preserving heat for 1-2 hours in a heat preservation furnace at the temperature of 150-.
2. The method for manufacturing a three-composite end socket according to claim 1, wherein the method comprises the following steps: in the step one, the surface is cleaned by soaking the end socket material plate in alkalescent cleaning solution for 5-8 minutes, then the end socket material plate is washed and rinsed by clear water, after the surface is roughly polished, the surface of the end socket material plate needs to be washed and rinsed by clear water again, and then the end socket material plate is dried.
3. The method for manufacturing a three-composite end socket according to claim 1, wherein the method comprises the following steps: and in the first step, the blanking is carried out in a numerical control manner, and the size of the end socket material plate needs to be rechecked after the blanking.
4. The method for manufacturing a three-composite end socket according to claim 1, wherein the method comprises the following steps: before the end socket material plate is placed into the heating furnace for heat preservation in the second step, the heating furnace is firstly heated to 150-.
5. The method for manufacturing a three-composite end socket according to claim 1, wherein the method comprises the following steps: in the third step, before the end socket material plate is pressed and formed at the temperature of not lower than 800 ℃, the forming mold needs to be preheated, the preheating temperature is 180 ℃ and 220 ℃, and the preheating time is 15 minutes.
6. The method for manufacturing a three-composite end socket according to claim 1, wherein the method comprises the following steps: and after the fourth step of the first compression molding of the material plate of the middle head, when the material plate is heated again in the heating furnace, controlling the temperature in the heating furnace to 1100-1150 ℃, and the heating time to be 20-30 minutes.
7. The method for manufacturing a three-composite end socket according to claim 1, wherein the method comprises the following steps: and step five, when the head body blank is trimmed, specifically, burrs generated at the edge of the head body blank are polished and removed.
8. The method for manufacturing a three-composite end socket according to claim 1, wherein the method comprises the following steps: in the sixth step, the heat curing treatment temperature is 200-220 ℃, and the heat curing time is 40-50 minutes.
9. The method for manufacturing a three-composite end socket according to claim 1, wherein the method comprises the following steps: and seventhly, when the head body blank is subjected to water cooling, controlling the cooling speed to enable the head body blank to be rapidly cooled to the room temperature within 5-8 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980874.0A CN110653573B (en) | 2019-10-16 | 2019-10-16 | Method for manufacturing three-composite end socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980874.0A CN110653573B (en) | 2019-10-16 | 2019-10-16 | Method for manufacturing three-composite end socket |
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| Publication Number | Publication Date |
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| CN110653573A CN110653573A (en) | 2020-01-07 |
| CN110653573B true CN110653573B (en) | 2021-07-20 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112077535B (en) * | 2020-08-27 | 2021-11-19 | 绍兴市奥达化工设备有限公司 | Pressing process for stainless steel lined composite seal head |
| CN113492298A (en) * | 2021-07-08 | 2021-10-12 | 南通曙光机电工程有限公司 | Preparation method for press forming of printed circuit board heat exchanger sealing head body |
| CN114054592A (en) * | 2021-11-16 | 2022-02-18 | 宜兴北海封头有限公司 | Manufacturing process of end socket with three-layer composite structure |
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| CN110653573A (en) | 2020-01-07 |
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Denomination of invention: Fabrication method of triple composite head Effective date of registration: 20221226 Granted publication date: 20210720 Pledgee: Quanjiao enterprise financing Company limited by guarantee Pledgor: ANHUI XINLIANXIN HEAVY HEAD Co.,Ltd. Registration number: Y2022980028884 |
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Date of cancellation: 20231219 Granted publication date: 20210720 Pledgee: Quanjiao enterprise financing Company limited by guarantee Pledgor: ANHUI XINLIANXIN HEAVY HEAD Co.,Ltd. Registration number: Y2022980028884 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Manufacturing method of triple composite head Effective date of registration: 20231228 Granted publication date: 20210720 Pledgee: Quanjiao enterprise financing Company limited by guarantee Pledgor: ANHUI XINLIANXIN HEAVY HEAD Co.,Ltd. Registration number: Y2023980074794 |