CN110682061A - Manufacturing method of split forming end socket - Google Patents
Manufacturing method of split forming end socket Download PDFInfo
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- CN110682061A CN110682061A CN201910980914.1A CN201910980914A CN110682061A CN 110682061 A CN110682061 A CN 110682061A CN 201910980914 A CN201910980914 A CN 201910980914A CN 110682061 A CN110682061 A CN 110682061A
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- end socket
- melon
- head
- side plates
- plate
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
The invention discloses a manufacturing method of a split forming end socket, which comprises the following steps: determining the number of seal head segments, and manufacturing a seal head segment mold; the head top circle is designed to be composed of two side plates and a middle plate; blanking the end socket melon segments, blanking the end socket top circle, and designing two side plates on the same lump material piece; carrying out cold die pressing molding on the end socket melon sections, and carrying out pressing processing on the middle plate and the side plates; cutting the side plate into halves and cutting a groove; welding and assembling to form a seal head melon petal body and a seal head top round body; assembling the end socket melon petal body and the end socket top round body; overall acceptance and surface maintenance; the method of the invention improves the process steps by designing the head top circle to comprise two side plates and a middle plate and designing the two side plates on the same block material sheet for compression treatment, shortens the equipment resources and the process period time consumed by respectively carrying out blanking and compression treatment on the side plates and has the advantage of reducing the manufacturing cost.
Description
Technical Field
The invention relates to the technical field of end socket manufacturing, in particular to a manufacturing method of a split forming end socket.
Background
The end enclosure belongs to one of boiler parts in a pressure container, is usually used at two ends of the pressure container, is a welded pipe product for plugging the tail end of a pipeline, is an end cover on the pressure container, is a main pressure-bearing part of the pressure container and plays a role in sealing;
the seal head is a part of the container, is connected with the cylinder body in a welding mode, and can be divided into a spherical seal head, an elliptic seal head, a disc seal head, a spherical crown seal head, a conical shell, a flat cover and the like according to different geometric shapes, wherein the spherical seal head, the elliptic seal head, the disc seal head and the spherical crown seal head are also collectively called as a convex seal head; the welding is divided into butt welding end sockets and socket welding end sockets; the method is used for various container devices such as storage tanks, heat exchangers, towers, reaction kettles, boilers, separation devices and the like; the material includes carbon steel, stainless steel, alloy steel, aluminum, titanium, copper, nickel alloy and the like;
the oval, disc-shaped and spherical-crown-shaped large-diameter end socket is generally formed by melon petals and a top circle in an assembling mode that a port is assembled downwards, the melon petals are firstly pressed to be assembled, then a top circle material sheet is welded in an assembling mode, the top circle and the melon petals are integrally pressed and formed, and then the top circle and the melon petals are integrally assembled and accepted.
Disclosure of Invention
In order to solve the problems, the invention provides a manufacturing method of a split-section forming end socket, which is characterized in that the end socket top circle is designed to comprise two side plates and a middle plate, and then the two side plates are designed on the same block material to be subjected to compression treatment.
The invention provides a manufacturing method of a split forming end socket, which comprises the following steps:
the method comprises the following steps: determining the number of seal head segments according to a design drawing and technical requirements of a user, manufacturing a seal head segment mold, and performing surface polishing treatment on the seal head segment mold;
step two: designing a head top circle splitting process, wherein the head top circle is designed to be composed of two side plates and a middle plate;
step three: firstly, blanking end-sealing melon petals to obtain end-sealing melon petal material pieces, then blanking an end-sealing top circle, wherein when the end-sealing top circle is blanked, two side plates are designed on the same material piece to obtain a middle plate material piece and a side plate material piece, and then pasting kraft paper on the surfaces of the end-sealing melon petal material pieces, the middle plate material piece and the side plate material pieces for protection;
step four: carrying out cold die pressing molding on the end plate melon petal, and then selecting a corresponding molding mould to respectively carry out pressing processing on the middle plate and the side plate to obtain a melon petal plate, a middle plate and a side plate connecting plate;
step five: scribing and cutting the side plate connecting plate into halves to obtain two side plates, then cutting grooves on the side plates, and cutting and finishing the two side edges of the melon petal plate obtained in the fourth step according to requirements to form an integral shape;
step six: welding and assembling the melon petal plates cut and trimmed in the fifth step to form end socket melon petal bodies, and welding and assembling the side plates with grooves cut in the fifth step and the intermediate plates obtained in the fourth step to form end socket top round bodies;
step seven: assembling the end socket melon petal body and the end socket top circle body obtained in the sixth step to form an end socket, and preliminarily checking the whole end socket and adjusting the whole end socket to be qualified;
step eight: and (4) integrally checking and accepting the whole end socket, then performing surface maintenance treatment, and finally packaging.
The further improvement lies in that: and in the third step, the blanking of the end socket melon petal and the blanking of the end socket top circle are both realized by adopting numerical control blanking, and in the fifth step, the cutting and halving of the side plate connecting plate are realized by adopting numerical control cutting.
The further improvement lies in that: in the fourth step, when the end socket melon segments are subjected to cold die pressing forming, the end socket melon segment material sheet material needs to be uniformly heated to 150-200 ℃.
The further improvement lies in that: and in the sixth step, when the side plate after the groove is cut on the side plate in the fifth step and the intermediate plate obtained in the fourth step are welded and assembled, the side plate and the intermediate plate are firstly assembled, the assembly gap is controlled to be less than or equal to 2mm, and the misalignment amount is controlled to be less than or equal to 3 mm.
The further improvement lies in that: and in the sixth step, when the side plate with the groove cut in the side plate in the fifth step and the intermediate plate obtained in the fourth step are welded and assembled, the groove is cleaned, polished and preheated, the preheating temperature is controlled to be 150 ℃, and the welding temperature is controlled to be higher than the preheating temperature.
The further improvement lies in that: before the end socket melon petal body and the end socket top circle body obtained in the step six are assembled in the step seven, the end face of the end socket top circle body needs to be leveled, the height is determined, a port cutting line needs to be drawn, and the end socket top circle body needs to be detected and adjusted to be qualified.
The further improvement lies in that: and seventhly, the specific operation of pairing the end socket melon petal body and the end socket top circle body obtained in the sixth step is as follows: according to the port cutting line of the seal head apex circle body that draws cutting apex circle terminal surface to it, then cut the osculum according to apex circle terminal surface actual size to the melon lamella board that constitutes the seal head melon lamella body, then group to seal head melon lamella body and seal head apex circle body.
The further improvement lies in that: and seventhly, performing initial verification on the whole end socket and adjusting the whole end socket to be qualified, firstly performing end face leveling, height fixing and port cutting line drawing on the whole end socket, and then performing initial verification on the whole end socket and adjusting the whole end socket to be qualified.
The further improvement lies in that: the concrete operations of preliminarily checking the whole end socket and adjusting the end socket to be qualified in the seventh step are as follows: and (4) finishing the whole end enclosure, and locally heating the deformed welding line in the welding composition process, wherein the heating temperature is controlled to be 120-180 ℃.
The further improvement lies in that: and the maintenance treatment in the step eight comprises groove polishing, surface acid pickling and local polishing treatment.
The invention has the beneficial effects that: according to the invention, the head top circle is designed to comprise two side plates and a middle plate, and then the two side plates are designed on the same block material sheet for compression treatment, compared with the traditional method that the side plates are respectively subjected to blanking and then subjected to compression treatment, the method has the advantages that the process steps are improved, the equipment resources and the process period consumed by respectively carrying out blanking and compression treatment on the side plates are shortened, the manufacturing cost is reduced, the welding seams of the head manufactured by the method are obviously reduced, and the strength of the head is improved.
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.
A manufacturing method of a split forming end socket comprises the following steps:
the method comprises the following steps: determining the number of seal head segments according to a design drawing and technical requirements of a user, manufacturing a seal head segment mold, and performing surface polishing treatment on the seal head segment mold;
step two: designing a head top circle splitting process, wherein the head top circle is designed to be composed of two side plates and a middle plate;
step three: firstly, blanking the seal head melon petal to obtain a seal head melon petal material piece, then blanking a seal head top circle, wherein when the seal head top circle is blanked, two side plates are designed on the same material piece to obtain a middle plate material piece and a side plate material piece, and then pasting kraft paper on the surfaces of the seal head melon petal material piece, the middle plate material piece and the side plate material piece for protection, and adopting numerical control blanking for blanking the seal head melon petal and blanking the seal head top circle;
step four: carrying out cold die pressing molding on the end socket melon petal, wherein during cold die pressing molding, the material of the end socket melon petal sheet needs to be uniformly heated to 180 ℃, and then selecting a corresponding molding mould to respectively carry out pressing molding on the middle plate and the side plate to obtain a melon petal plate, a middle plate and a side plate connecting plate;
step five: scribing and cutting the side plate connecting plate into halves, performing numerical control cutting to obtain two side plates, then performing cutting beveling on the side plates, and cutting and finishing the two side edges of the melon flap plate obtained in the fourth step according to requirements to form an integral shape;
step six: welding and assembling the cut and trimmed melon petal plates in the fifth step to form end socket melon petal bodies, assembling the side plates and the middle plates, controlling the assembly gap to be less than or equal to 2mm and controlling the edge staggering amount to be less than or equal to 3mm, welding and assembling the side plates after the grooves are cut in the fifth step and the middle plates obtained in the fourth step, cleaning, polishing and preheating the grooves, controlling the preheating temperature to be 150 ℃, and controlling the welding temperature to be higher than the preheating temperature to form end socket top circles;
step seven: make level earlier to the terminal surface of head top circle body, decide the height, draw the port line of cut, and need test head top circle body and adjust to qualified, then will obtain in step six head melon lamella bodies and head top circle body group to, cut the apex circle terminal surface to it according to the port line of cut of the head top circle body of drawing, then cut the osculum according to the melon lamella board of apex circle terminal surface actual size to the constitution head melon lamella body, then group to head melon lamella body and head top circle body, form the head, again make level the terminal surface to whole head, decide the height, draw the port line of cut, then carry out preliminary verification and adjust to qualified to the head is whole, concrete operation is: trimming the whole end socket, and locally heating a deformed welding line in the welding composition process, wherein the heating temperature is controlled to be 150 ℃;
step eight: and (4) integrally checking and accepting the seal head, then performing surface maintenance treatment, including groove polishing, surface acid pickling and local polishing and grinding treatment, and finally packaging.
According to the invention, the head top circle is designed to comprise two side plates and a middle plate, and then the two side plates are designed on the same block material sheet for compression treatment, compared with the traditional method that the side plates are respectively subjected to blanking and then subjected to compression treatment, the method has the advantages that the process steps are improved, the equipment resources and the process period consumed by respectively carrying out blanking and compression treatment on the side plates are shortened, the manufacturing cost is reduced, the welding seams of the head manufactured by the method are obviously reduced, and the strength of the head is improved.
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 (10)
1. The manufacturing method of the split forming end socket is characterized by comprising the following steps:
the method comprises the following steps: determining the number of seal head segments according to a design drawing and technical requirements of a user, manufacturing a seal head segment mold, and performing surface polishing treatment on the seal head segment mold;
step two: designing a head top circle splitting process, wherein the head top circle is designed to be composed of two side plates and a middle plate;
step three: firstly, blanking end-sealing melon petals to obtain end-sealing melon petal material pieces, then blanking an end-sealing top circle, wherein when the end-sealing top circle is blanked, two side plates are designed on the same material piece to obtain a middle plate material piece and a side plate material piece, and then pasting kraft paper on the surfaces of the end-sealing melon petal material pieces, the middle plate material piece and the side plate material pieces for protection;
step four: carrying out cold die pressing molding on the end plate melon petal, and then selecting a corresponding molding mould to respectively carry out pressing processing on the middle plate and the side plate to obtain a melon petal plate, a middle plate and a side plate connecting plate;
step five: scribing and cutting the side plate connecting plate into halves to obtain two side plates, then cutting grooves on the side plates, and cutting and finishing the two side edges of the melon petal plate obtained in the fourth step according to requirements to form an integral shape;
step six: welding and assembling the melon petal plates cut and trimmed in the fifth step to form end socket melon petal bodies, and welding and assembling the side plates with grooves cut in the fifth step and the intermediate plates obtained in the fourth step to form end socket top round bodies;
step seven: assembling the end socket melon petal body and the end socket top circle body obtained in the sixth step to form an end socket, and preliminarily checking the whole end socket and adjusting the whole end socket to be qualified;
step eight: and (4) integrally checking and accepting the whole end socket, then performing surface maintenance treatment, and finally packaging.
2. The method of making a split forming head of claim 1, wherein: and in the third step, the blanking of the end socket melon petal and the blanking of the end socket top circle are both realized by adopting numerical control blanking, and in the fifth step, the cutting and halving of the side plate connecting plate are realized by adopting numerical control cutting.
3. The method of making a split forming head of claim 1, wherein: in the fourth step, when the end socket melon segments are subjected to cold die pressing forming, the end socket melon segment material sheet material needs to be uniformly heated to 150-200 ℃.
4. The method of making a split forming head of claim 1, wherein: and in the sixth step, when the side plate after the groove is cut on the side plate in the fifth step and the intermediate plate obtained in the fourth step are welded and assembled, the side plate and the intermediate plate are firstly assembled, the assembly gap is controlled to be less than or equal to 2mm, and the misalignment amount is controlled to be less than or equal to 3 mm.
5. The method of making a split forming head of claim 1, wherein: and in the sixth step, when the side plate with the groove cut in the side plate in the fifth step and the intermediate plate obtained in the fourth step are welded and assembled, the groove is cleaned, polished and preheated, the preheating temperature is controlled to be 150 ℃, and the welding temperature is controlled to be higher than the preheating temperature.
6. The method of making a split forming head of claim 1, wherein: before the end socket melon petal body and the end socket top circle body obtained in the step six are assembled in the step seven, the end face of the end socket top circle body needs to be leveled, the height is determined, a port cutting line needs to be drawn, and the end socket top circle body needs to be detected and adjusted to be qualified.
7. The method of making a split forming head of claim 6, wherein: and seventhly, the specific operation of pairing the end socket melon petal body and the end socket top circle body obtained in the sixth step is as follows: according to the port cutting line of the seal head apex circle body that draws cutting apex circle terminal surface to it, then cut the osculum according to apex circle terminal surface actual size to the melon lamella board that constitutes the seal head melon lamella body, then group to seal head melon lamella body and seal head apex circle body.
8. The method of making a split forming head of claim 1, wherein: and seventhly, performing initial verification on the whole end socket and adjusting the whole end socket to be qualified, firstly performing end face leveling, height fixing and port cutting line drawing on the whole end socket, and then performing initial verification on the whole end socket and adjusting the whole end socket to be qualified.
9. The method of making a split forming head of claim 1, wherein: the concrete operations of preliminarily checking the whole end socket and adjusting the end socket to be qualified in the seventh step are as follows: and (4) finishing the whole end enclosure, and locally heating the deformed welding line in the welding composition process, wherein the heating temperature is controlled to be 120-180 ℃.
10. The method of making a split forming head of claim 1, wherein: and the maintenance treatment in the step eight comprises groove polishing, surface acid pickling and local polishing treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980914.1A CN110682061A (en) | 2019-10-16 | 2019-10-16 | Manufacturing method of split forming end socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980914.1A CN110682061A (en) | 2019-10-16 | 2019-10-16 | Manufacturing method of split forming end socket |
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| CN110682061A true CN110682061A (en) | 2020-01-14 |
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| CN201910980914.1A Pending CN110682061A (en) | 2019-10-16 | 2019-10-16 | Manufacturing method of split forming end socket |
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| CN (1) | CN110682061A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115139065A (en) * | 2022-08-17 | 2022-10-04 | 新疆兰石重装能源工程有限公司 | Method for punch forming of nickel-based alloy seal head |
Citations (1)
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| CN106670749A (en) * | 2017-01-05 | 2017-05-17 | 安徽心连心重型封头有限公司 | Segmental molding making method of end socket |
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2019
- 2019-10-16 CN CN201910980914.1A patent/CN110682061A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670749A (en) * | 2017-01-05 | 2017-05-17 | 安徽心连心重型封头有限公司 | Segmental molding making method of end socket |
Non-Patent Citations (1)
| Title |
|---|
| 刘英东: "大型厚板瓜瓣封头顶圆板成型技术的改进", 《压力容器》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115139065A (en) * | 2022-08-17 | 2022-10-04 | 新疆兰石重装能源工程有限公司 | Method for punch forming of nickel-based alloy seal head |
| CN115139065B (en) * | 2022-08-17 | 2023-10-20 | 新疆兰石重装能源工程有限公司 | Nickel base alloy end socket stamping forming method |
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Application publication date: 20200114 |
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