CN112935738B - Large-width high-precision heating plate machining process - Google Patents
Large-width high-precision heating plate machining process Download PDFInfo
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- CN112935738B CN112935738B CN202110229123.2A CN202110229123A CN112935738B CN 112935738 B CN112935738 B CN 112935738B CN 202110229123 A CN202110229123 A CN 202110229123A CN 112935738 B CN112935738 B CN 112935738B
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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
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
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Abstract
The invention relates to the technical field of heating plate processing technologies, in particular to a large-width high-precision heating plate processing technology. A processing technology of a large-width high-precision heating plate comprises the following steps: selecting materials, processing a flow passage hole, processing a cross flow passage hole, processing a sugarcoated haw stick string, installing the sugarcoated haw stick string, placing a cylindrical plug, and sealing and welding. The invention has the advantages that: the process of the invention overcomes the defects of high cost, low efficiency, non-universal design and the like of the existing process, has low cost, high efficiency and good precision maintenance, is a whole plate when viewed from the outside, and is better in both the integral design of equipment and the appearance of the heating plate.
Description
Technical Field
The invention relates to the technical field of heating plate processing technologies, in particular to a large-width high-precision heating plate processing technology.
Background
In the prior art, a snake-shaped loop is processed on the large surface of a whole plate, and then a sealing plate is covered on the large surface of the whole plate, so that the welding deformation of the structure is large, a shaping process and a postweld heat treatment process are required to be added, the processing cost is high, and the efficiency is low. In addition, only through flow channel holes are drilled, no grooves are dug, no cross holes are drilled, the two holes are directly connected through welding of external pipes to form a loop, although the structure saves manufacturing cost, the applicability is poor, the structure can only be used for low-end hot pressing, the pipeline is externally connected, great challenges are provided for equipment designers, and reasonable optimization of equipment is difficult to achieve.
Disclosure of Invention
The invention aims to provide a large-format high-precision heating plate processing technology to overcome the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a processing technology of a large-width high-precision heating plate comprises the following steps:
A. selecting materials, namely selecting suitable processing plates according to requirements, wherein the selected plates cannot have burrs or rough edges, and the plates cannot be bent;
B. processing a flow passage hole, namely processing a through flow passage hole in the plate by using a special deep hole machine;
C. processing a cross flow channel hole, namely processing a through cross flow channel hole on the adjacent side surfaces in the plate by using a special deep hole machine;
D. the method comprises the following steps of (1) processing a sugarcoated haws string, namely stringing a rod into a plug by utilizing the rod and the plug, then putting the rod on a prepared tool for fixing, adjusting the size, and fixing the rod and the plug together by argon arc full welding;
E. installing the sugarcoated haw stick, namely putting the manufactured sugarcoated haw stick into the cross flow passage hole, sliding the diameter of the sugarcoated haw stick into the cross flow passage hole, and enabling the rod tip to push the bottom of the cross flow passage hole to form a snake-shaped loop;
F. placing a cylindrical plug, and placing the cylindrical plug in holes on the periphery of the plate;
E. and (4) sealing and welding, wherein the outer part of the cylindrical plug and the cavity formed by the grooves are sealed and welded.
Preferably, the flow channel holes and the cross flow channel holes are perpendicular to each other and are communicated with each other.
Preferably, the diameters of the flow passage holes and the cross holes are required to be +0.02, the hole spacing is +/-0.2 and the wall roughness is Ra0.2 according to the specification.
Preferably, the center of the plug is provided with a hole with the diameter of +0.2 of the rod diameter.
Preferably, the plug and the rod are made of stainless steel, and the diameter of the plug is-0.1 of the diameter of the runner hole.
Preferably, the sealing welding adopts argon arc welding bottoming and carbon dioxide shielded welding surfacing welding technology.
The invention has the beneficial effects that: the process provided by the invention overcomes the defects of high cost, low efficiency, non-universal design and the like of the existing process, has the advantages of low cost, high efficiency and good precision maintenance, is a whole plate seen from the outside, and is better in both the overall design of equipment and the appearance of the heating plate.
Drawings
FIG. 1 is a process flow diagram of a large-format high-precision heating plate processing process of the present invention;
FIG. 2 is a schematic view of a flow passage hole processing of a large-format high-precision heating plate processing process according to the present invention;
FIG. 3 is a schematic diagram of cross-flow hole processing in a large-format high-precision heating plate processing process according to the present invention;
FIG. 4 is a schematic view of the installation of a large-format high-precision sugarcoated haw stick string in the heating plate processing technology of the present invention;
FIG. 5 is a schematic view of the placement and welding of a cylindrical plug of the large-format high-precision heating plate processing technology of the present invention;
FIG. 6 is a schematic view of a large-format high-precision sugarcoated haw stick string in the heating plate processing technology of the present invention;
FIG. 7 is a partially enlarged schematic view of the placement and welding of a cylindrical plug of the large-format high-precision heating plate processing technology of the present invention;
in the figure: 1. stringing sugarcoated haws; 2. and (5) a cylindrical plug.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the present embodiment is a process for processing a large-format high-precision heating plate, which includes the following steps:
A. selecting materials, namely selecting suitable processing plates according to requirements, wherein the selected plates cannot have burrs or rough edges, and the plates cannot be bent;
B. processing a flow passage hole, namely processing a through flow passage hole in the plate by using a special deep hole machine;
C. processing a cross flow channel hole, namely processing a through cross flow channel hole on the adjacent side surfaces in the plate by using a special deep hole machine;
D. processing the sugarcoated haws string, namely stringing a rod into a plug by utilizing the rod and the plug, then putting the rod into a prepared tool for fixing, adjusting the size, and fixing the rod and the plug together by argon arc full welding;
E. installing the sugarcoated haw stick, namely placing the prepared sugarcoated haw stick into the cross flow passage hole, sliding the diameter of the sugarcoated haw stick into the cross flow passage hole, and enabling the rod tip to push the bottom of the cross flow passage hole to form a snake-shaped loop;
F. placing a cylindrical plug, and placing the cylindrical plug in holes on the periphery of the plate;
E. and (4) sealing and welding, wherein the outer part of the cylindrical plug and the cavity formed by the grooves are sealed and welded.
Preferably, the flow channel holes and the cross flow channel holes are perpendicular to each other and are communicated with each other.
Preferably, the diameters of the flow passage holes and the cross holes are required to be +0.02, the hole spacing is +/-0.2 and the wall roughness is Ra0.2 according to the specification.
Preferably, the center of the plug is provided with a hole with the diameter of +0.2 of the rod diameter.
Preferably, the plug and the rod are made of stainless steel, and the diameter of the plug is-0.1 of the diameter of the runner hole.
Preferably, the sealing welding adopts argon arc welding bottoming and carbon dioxide shielded welding surfacing welding technology.
Referring to fig. 2 to 7, in the implementation of the embodiment, a plate is selected, a through flow channel hole is processed in the plate by a special deep hole machine, a through cross flow channel hole is processed on the adjacent side surface in the plate by the special deep hole machine, a sugarcoated haw stick string is manufactured, the sugarcoated haw stick string is composed of a stainless steel rod (with the diameter of 4mm) and a stainless steel plug (with the diameter of-0.1 of the flow channel hole), a hole with the diameter of +0.2 is processed in the center of the plug, the rod is strung into the plug, fixed size is arranged on a manufactured tool, the rod and the plug are fully welded by argon arc welding, the manufactured sugarcoated haw stick string is placed into the cross flow channel hole, the diameter of the sugarcoated haw stick string slides into the cross flow channel hole, the tip of the rod is pushed to the bottom of the cross flow channel hole to form a snake-shaped loop, the cylindrical plug is placed into the peripheral hole of the plate, the cylindrical plug is hermetically welded with a cavity formed outside the cylindrical plug, and the process is completed, it is even to need to pay attention to inside snakelike return circuit requirement distribution in the course of working, and the width is even, and the inner wall is smooth, reduces the loss of pressure of conduction oil or steam in snakelike return circuit to play the even effect of heating, specification, runner hole, the cross hole diameter and the distribution condition of hot plate are according to customer's requirement.
The process has the advantages that the process overcomes the defects of high cost, low efficiency, non-universal design and the like of the existing process, is low in cost, high in efficiency and good in precision maintenance, is a whole plate when viewed from the outside, and is better in both the overall design of equipment and the appearance of the heating plate.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A large-breadth high-precision heating plate processing technology is characterized in that: the processing technology comprises the following steps:
A. selecting materials, namely selecting suitable processing plates according to requirements, wherein the selected plates cannot have burrs or rough edges, and the plates cannot be bent;
B. processing a flow passage hole, namely processing a through flow passage hole in the plate by using a special deep hole machine;
C. processing a cross flow channel hole, namely processing a through cross flow channel hole on the adjacent side surfaces in the plate by using a special deep hole machine;
D. the method comprises the following steps of (1) processing a sugarcoated haws string, namely stringing a rod into a plug by utilizing the rod and the plug, then putting the rod on a prepared tool for fixing, adjusting the size, and fixing the rod and the plug together by argon arc full welding;
E. installing the sugarcoated haw stick, namely putting the manufactured sugarcoated haw stick into the cross flow passage hole, sliding the diameter of the sugarcoated haw stick into the cross flow passage hole, and enabling the rod tip to push the bottom of the cross flow passage hole to form a snake-shaped loop;
F. placing a cylindrical plug, and placing the cylindrical plug in holes on the periphery of the plate;
g. And (4) sealing and welding, wherein the outer part of the cylindrical plug and the cavity formed by the grooves are sealed and welded.
2. The process for machining the large-format high-precision heating plate according to claim 1, characterized in that: the flow channel holes and the cross flow channel holes are perpendicular to each other and are communicated with each other.
3. The processing technology of the large-format high-precision heating plate according to claim 1, characterized in that: the diameters of the flow passage holes and the cross holes are required to be +0.02, the hole spacing is + -0.2 and the wall roughness is Ra0.2 according to the specified diameter.
4. The processing technology of the large-format high-precision heating plate according to claim 1, characterized in that: and a hole with the diameter of plus 0.2 is processed in the center of the plug.
5. The processing technology of the large-format high-precision heating plate according to claim 1, characterized in that: the plug and the rod are made of stainless steel materials, and the diameter of the plug is-0.1 of the diameter of the runner hole.
6. The processing technology of the large-format high-precision heating plate according to claim 1, characterized in that: the sealing welding adopts argon arc welding bottoming and carbon dioxide gas shielded welding surfacing welding technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110229123.2A CN112935738B (en) | 2021-03-02 | 2021-03-02 | Large-width high-precision heating plate machining process |
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| CN202110229123.2A CN112935738B (en) | 2021-03-02 | 2021-03-02 | Large-width high-precision heating plate machining process |
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| CN112935738A CN112935738A (en) | 2021-06-11 |
| CN112935738B true CN112935738B (en) | 2022-06-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE223265T1 (en) * | 1996-06-26 | 2002-09-15 | Showa Denko Kk | METHOD FOR PRODUCING FLAT TUBES FOR HEAT EXCHANGERS |
| JPH1194476A (en) * | 1997-09-25 | 1999-04-09 | Konica Corp | Heat exchanger |
| CN101431291B (en) * | 2008-10-11 | 2010-12-08 | 中国科学院近代物理研究所 | Processing method for high-power switch power supply commutation bridge and water cooling board |
| CN201463656U (en) * | 2009-07-03 | 2010-05-12 | 杨铁君 | Energy-saving efficient anticorrosive combined type heat exchanger |
| CN106271402A (en) * | 2016-08-09 | 2017-01-04 | 深圳市麦士德福科技股份有限公司 | A kind of flow distribution plate processing technique of TOP-TIP |
| CN109216840B (en) * | 2018-09-26 | 2024-07-02 | 中国空间技术研究院 | Waveguide load assembly used in vacuum environment |
| JP2020176754A (en) * | 2019-04-17 | 2020-10-29 | 三菱電機株式会社 | Heat exchanger |
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