CN111715977A - Method for manufacturing radiator by internal welding and internal welding type radiator thereof - Google Patents
Method for manufacturing radiator by internal welding and internal welding type radiator thereof Download PDFInfo
- Publication number
- CN111715977A CN111715977A CN202010495565.7A CN202010495565A CN111715977A CN 111715977 A CN111715977 A CN 111715977A CN 202010495565 A CN202010495565 A CN 202010495565A CN 111715977 A CN111715977 A CN 111715977A
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- China
- Prior art keywords
- welding
- pipe body
- radiator
- branch pipe
- semi
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a method for manufacturing a radiator by welding from inside and an internal welding type radiator thereof. According to the invention, the steel plate is selected as a raw material for manufacturing the main pipe body, and the steel plate is automatically formed, punched and cut through the cold bending machine, so that the traditional work of manually cutting off and drilling the steel pipe is omitted, the production speed is high, the working precision is high, the yield is effectively improved, the product quality is ensured, and the cost is reduced; simultaneously carry out argon arc welding autogenous melting welding to its combination department with the body of branch pipe in the inside of being responsible for the welding bead is located the person in charge physically, can not see the welding bead arch from the outside, need not to polish, and adopt argon arc welding autogenous melting welding, need not add welding wire, welding rod, not only the outward appearance is pleasing to the eye, neat, and the welding is firm in addition, and stability is strong, avoids appearing the leakage phenomenon, and convenient operation, but one person operates many equipment and produces, further reduce cost does benefit to extensive popularization and application.
Description
Technical Field
The invention relates to the technical field of radiator manufacturing, in particular to a method for manufacturing a radiator by welding from inside and a radiator product thereof.
Background
The heat dissipation is usually performed by a main pipe and a plurality of branch pipes welded to the main pipe. The technological process includes cutting steel pipe to form main pipe and branch pipe of required size, drilling hole in the main pipe, extending the branch pipe into the hole, welding the joint between the main pipe and the branch pipe, and scraping weld bead. The existing structure welded from the outside has the following problems: (1) the welding is carried out by adopting argon arc welding or gas shielded welding, welding wires or welding rods are required to be added, the welding bead is convex, and the welding bead is positioned at the criss-cross joint part, so that the welding bead is difficult to polish and strike off quickly. (2) Adopt gas welding or brazing, also still have the protruding problem of welding bead, help the welding gas with high costs moreover, still must add welding wire, welding rod, and this welding wire, welding rod are mostly the copper product, further increase cost to inconsistent with the material of main, branch pipe body, be difficult to ensure the welding fastness. And the whole process is difficult to realize automation, only depends on manual welding, has low efficiency, is difficult to ensure the welding effect, and has low yield and high manufacturing cost. (3) The trompil is mostly adopted the manual work to punch a hole or drill on the main pipe body now, is difficult to ensure the hole site precision, and is efficient moreover.
Disclosure of Invention
In view of the above-mentioned shortcomings, the present invention provides a method for manufacturing a heat sink by internal welding and an internal welding type heat sink thereof.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a method for manufacturing a radiator by internal welding comprises the following steps:
(1) sending the steel plate into a cold bending machine, forming, punching and cutting the steel plate through the cold bending machine to form a semi-open type body, wherein the two side positions of the cross section of the semi-open type body are symmetrically bent upwards to form a bent wall, and an opening matched with the branch pipe body is punched in the middle position of the cross section of the semi-open type body;
(2) inserting the branch pipe body into the opening, and making the end part of the branch pipe body slightly protrude from the inner surface of the bent wall to form a micro-convex part;
(3) argon arc welding self-fluxing welding is adopted to weld the joint of the inner surfaces of the micro-convex part and the bent wall, so that the semi-forming body is connected with the branch pipe body;
(4) and (3) bending and folding the two bent walls of the semi-open type body by using a cold bending machine, and welding the folded parts of the two bent walls to form a main pipe body of a fully-closed structure by using the semi-open type body, so as to obtain an internal welding type radiator product.
In a preferred embodiment of the present invention, the middle position of the cross section of the half-open type body is a plane.
As a preferred scheme of the invention, argon arc welding self-melting welding is adopted for the folding part of the two bent walls.
The internal welding type radiator manufactured by the method for manufacturing the radiator through internal welding comprises a main pipe body and a branch pipe body, wherein the main pipe body is formed by bending and welding steel plates and punched with an opening, the branch pipe body is inserted into the opening and slightly protrudes from the inner surface of the main pipe body to form a micro-convex part, and a welding bead is arranged between the micro-convex part and the inner surface of the main pipe body.
As a preferred scheme of the present invention, the number of the main pipes is two, and two ends of the branch pipe body are respectively welded to the two main pipes.
As a preferable scheme of the present invention, the middle position of the cross section of the main pipe body is a plane, the opening is located at the middle position of the cross section, and the two sides are symmetrically bent upwards to form the curved wall.
In a preferred embodiment of the present invention, the outline of the opening is circular, oval, square, oblong, prismatic, or other regular or irregular shapes.
The invention has the beneficial effects that: the method for manufacturing the radiator by welding from the inside reasonably selects the steel plate as the raw material for manufacturing the main pipe body, and automatically forms, punches and cuts the steel plate through the cold bending machine, so that the traditional work of manually cutting off and drilling the steel pipe is omitted, the production speed is high, the working precision is high, the yield is effectively improved, the product quality is ensured, and the cost is reduced; simultaneously carry out argon arc welding autogenous melting welding to its combination department with the body of branch pipe in the inside of being responsible for the welding bead is located the person in charge physically, can not see the welding bead arch from the outside, need not to polish, and adopt argon arc welding autogenous melting welding, need not add welding wire, welding rod, not only the outward appearance is pleasing to the eye, neat, and the welding is firm in addition, and stability is strong, avoids appearing the leakage phenomenon, and convenient operation, but one person operates many equipment and produces, further reduce cost does benefit to extensive popularization and application.
The invention is further described with reference to the following figures and examples.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a process flow diagram of the present invention.
Detailed Description
Referring to fig. 1, the internally welded radiator provided by this embodiment includes a main pipe body 1 and a branch pipe body 2, wherein the main pipe body 1 is formed by bending and welding steel plates and punched with an opening 11, the branch pipe body 2 is inserted into the opening and slightly protrudes from the inner surface of the main pipe body 1 to form a micro-protrusion 21, and a weld bead is provided between the micro-protrusion 21 and the inner surface of the main pipe body 1.
In this embodiment, the number of the main pipes 1 is two, and the two ends of the branch pipe body 2 are respectively welded to the two main pipes 1. In other embodiments, the number of the main pipes 1 may be one, and the like.
The middle part of the cross section of the main pipe body 1 is a plane, so that convenience is brought to hole opening, the hole opening 11 is positioned at the middle part of the cross section, and the outline of the hole opening 11 can be in other regular or irregular shapes such as a circle, an ellipse, a square, an oblong, a prism and the like. The two sides are symmetrically bent upwards to form the curved walls 12, and the curved walls 12 are arc-shaped, so that the folding is convenient.
In the production process, referring to fig. 2, the production method is as follows:
(1) and (3) conveying the steel plate into a cold bending machine, and setting technological parameters such as cutting length, punching number and the like on the cold bending machine. Pressing a start button, and forming, punching and cutting a steel plate through a cold bending machine to form a semi-open type body, wherein two side positions of the cross section of the semi-open type body are symmetrically bent upwards to form bent walls 12, and an open hole 11 matched with the branch pipe body 2 is punched in the middle position of the cross section of the semi-open type body;
(2) inserting the branch pipe body 2 into the opening 11, and slightly protruding the end of the branch pipe body 2 from the inner surface of the bent wall 12 to form a micro-protrusion 21;
(3) performing argon arc welding and self-melting welding on the joint of the inner surfaces of the micro-convex part 21 and the bent wall 12 by adopting automatic self-melting argon arc welding equipment to realize the connection of the semi-forming body and the branch pipe body 2;
(4) and controlling a cold bending machine to bend and fold the two bent walls 12 of the semi-open type body, and welding the folded parts of the two bent walls 12 by automatic self-fluxing argon arc welding equipment to form a main pipe body 1 of a fully-closed structure by the semi-open type body, so as to obtain an internal welding type radiator product.
The method for manufacturing the radiator by welding from the inside reasonably selects the steel plate as the raw material for manufacturing the main pipe body 1, and automatically forms, punches and cuts the steel plate through the cold bending machine, so that the traditional work of manually cutting off and drilling the steel pipe is omitted, the production speed is high, the working precision is high, the yield is effectively improved, the product quality is ensured, and the cost is reduced; simultaneously carry out argon arc welding autogenous melting welding to its combination department with branch pipe body 2 in the inside of being responsible for body 1 for the welding bead is located being responsible for body 1, and the welding bead is protruding can not be seen from the outside, need not to polish, and adopts argon arc welding autogenous melting welding, need not add welding wire, welding rod, and not only the outward appearance is pleasing to the eye, neat, and the welding is firm in addition, and stability is strong, avoids appearing the leakage phenomenon, and convenient operation, but many equipment of one man operation are produced, further reduce cost.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. In addition, although specific terms are used herein, they are used for convenience of description and do not limit the present invention, and other methods and heat sinks having the same or similar structures as those of the above-described embodiments of the present invention are within the scope of the present invention.
Claims (10)
1. A method for manufacturing a radiator by internal welding is characterized by comprising the following steps:
(1) preforming: sending the steel plate into a cold bending machine, forming, punching and cutting the steel plate through the cold bending machine to form a semi-open type body, wherein the two side positions of the cross section of the semi-open type body are symmetrically bent upwards to form a bent wall, and an opening matched with the branch pipe body is punched in the middle position of the cross section of the semi-open type body;
(2) inserting the branch pipe body into the opening, and making the end part of the branch pipe body slightly protrude from the inner surface of the bent wall to form a micro-convex part;
(3) argon arc welding self-fluxing welding is adopted to weld the joint of the inner surfaces of the micro-convex part and the bent wall, so that the semi-forming body is connected with the branch pipe body;
(4) and (3) bending and folding the two bent walls of the semi-open type body by using a cold bending machine, and welding the folded parts of the two bent walls to form a main pipe body of a fully-closed structure by using the semi-open type body, so as to obtain an internal welding type radiator product.
2. The method of fabricating a heat sink from internal welding as recited in claim 1, wherein a cross-sectional middle position of the half-open body is a plane.
3. The method for manufacturing a heat sink by internal welding as claimed in claim 1, wherein the joining of the two curved walls is performed by argon arc self-fluxing welding.
4. An internal welding type radiator manufactured by the method for manufacturing the radiator through internal welding according to any one of claims 1 to 3, which comprises a main pipe body and branch pipe bodies, and is characterized in that: the main pipe body is formed by bending and welding steel plates and punching an opening, the branch pipe body is inserted into the opening and slightly protrudes from the inner surface of the main pipe body to form a micro-convex part, and a welding bead is arranged between the micro-convex part and the inner surface of the main pipe body.
5. The internally welded radiator of claim 4, wherein the number of the main pipes is two, and two ends of the branch pipe body are respectively welded to the two main pipes.
6. The internally welded radiator of claim 2, wherein the central portion of the cross section of the main tube is a plane, the opening is located at the central portion of the cross section, and the two sides of the opening are symmetrically bent upwards to form a curved wall.
7. The internally welded heat sink of claim 6, wherein the curved wall is radiused.
8. The internally welded heat sink of claim 6, wherein the apertures are circular in outline.
9. The internally welded heat sink of claim 6, wherein the apertures have an oval profile.
10. The internally welded heat sink of claim 6, wherein the apertures have a square profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010495565.7A CN111715977A (en) | 2020-06-03 | 2020-06-03 | Method for manufacturing radiator by internal welding and internal welding type radiator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010495565.7A CN111715977A (en) | 2020-06-03 | 2020-06-03 | Method for manufacturing radiator by internal welding and internal welding type radiator thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111715977A true CN111715977A (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010495565.7A Pending CN111715977A (en) | 2020-06-03 | 2020-06-03 | Method for manufacturing radiator by internal welding and internal welding type radiator thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935835A (en) * | 2021-03-09 | 2021-06-11 | 李如福 | Radiator pipeline welded from inside, welding equipment and process |
-
2020
- 2020-06-03 CN CN202010495565.7A patent/CN111715977A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935835A (en) * | 2021-03-09 | 2021-06-11 | 李如福 | Radiator pipeline welded from inside, welding equipment and process |
| CN112935835B (en) * | 2021-03-09 | 2022-03-18 | 万昌宏达(唐山)暖通设备有限公司 | Radiator pipeline welded from inside, welding equipment and process |
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