CN112916744B - Method for manufacturing radiator - Google Patents
Method for manufacturing radiator Download PDFInfo
- Publication number
- CN112916744B CN112916744B CN201911236986.1A CN201911236986A CN112916744B CN 112916744 B CN112916744 B CN 112916744B CN 201911236986 A CN201911236986 A CN 201911236986A CN 112916744 B CN112916744 B CN 112916744B
- Authority
- CN
- China
- Prior art keywords
- tooth
- manufacturing
- substrate
- heat sink
- connecting part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 13
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 210000003781 tooth socket Anatomy 0.000 claims abstract description 5
- 238000004512 die casting Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
- B21D39/031—Joining superposed plates by locally deforming without slitting or piercing
-
- 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
- B21D39/038—Perpendicular plate connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention provides a manufacturing method of a radiator, and belongs to the technical field of radiator manufacturing. The manufacturing method of the radiator of the invention comprises the following steps: providing a substrate and a plurality of tooth plates; a plurality of tooth sockets which are arranged at intervals are formed on the substrate; a connecting part is formed on one side of each tooth plate; and rolling the connecting part into tooth grooves of the substrate through a roller structure, so that the tooth plates are riveted with the tooth grooves through the connecting part on the tooth plates, and the radiator with the tooth grooves in one-to-one correspondence with the tooth plates is formed.
Description
Technical Field
The invention belongs to the technical field of radiator manufacturing, and particularly relates to a manufacturing method of a radiator.
Background
With the development of 5G, the performance of the product is more and more powerful, the power consumption is higher and higher, and the heat dissipation capability of the structure member also provides higher requirements. Traditional integrative die-casting formed's structure simply increases the heat dissipation ability through increasing the product appearance, increases, encrypts the heat dissipation tooth and promotes the heat dissipation ability, has not satisfied the current and future demand of 5G product.
Disclosure of Invention
The embodiment of the invention aims at solving at least one of the technical problems existing in the prior art and provides a manufacturing method of a radiator.
The embodiment of the invention provides a manufacturing method of a radiator, which comprises the following steps:
providing a substrate and a plurality of tooth plates; a plurality of tooth sockets which are arranged at intervals are formed on the substrate; a connecting part is formed on one side of each tooth plate;
and rolling the connecting part into tooth grooves of the substrate through a roller structure, so that the tooth plates are riveted with the tooth grooves through the connecting part on the tooth plates, and the radiator with the tooth grooves in one-to-one correspondence with the tooth plates is formed.
The step of rolling the connecting part into the tooth slot of the substrate through the roller structure comprises the following steps:
the connecting parts of the tooth sheets which are pre-placed in every two adjacent tooth grooves are oppositely arranged, and the two tooth sheets which are oppositely arranged at the connecting parts are simultaneously rolled into the tooth grooves corresponding to the two tooth grooves through one-time rolling of the roller structure.
Wherein the step of forming the connecting portion on one side of the tooth sheet includes:
and reversely folding one side of the tooth piece through a sheet metal process to form the connecting part.
Wherein the step of forming the connecting portion on one side of the tooth sheet includes:
and forming a first bulge on one side of the tooth plate to form the connecting part.
The first bulge and the tooth piece are formed into an integral structure through extrusion molding.
The tooth sheet comprises any one of a single-sided inflation radiating tooth sheet, a double-sided inflation radiating tooth sheet, a metal plate radiating tooth sheet, a section radiating tooth sheet and a composite section radiating tooth sheet.
Wherein the step of forming the tooth slot comprises:
and forming a plurality of second protrusions arranged at intervals on the substrate, and forming the tooth grooves on the second protrusions.
Wherein, the second bulge the basement is integrated into one piece structure.
The substrate, the second protrusions and the tooth grooves are formed through die casting.
The height of the connecting part is the same as the depth of the tooth groove.
The embodiment of the invention has the following beneficial effects:
according to the manufacturing method of the radiator provided by the embodiment of the invention, the connecting part of the tooth sheet is rolled to the tooth groove through the roller structure, and the connecting part is riveted with the tooth groove, so that the tooth sheet is fixed with the substrate, compared with the radiator which comprises the tooth sheet and the substrate and is formed in a die casting mode in the prior art, the precision requirement is low, the connecting part and the tooth groove are riveted through the roller, the influence of the flatness of the substrate and the fluctuation of the tooth groove spacing on the sheet for installing the tooth can be avoided, and the riveting quality and reliability are improved.
Drawings
FIG. 1 is a schematic diagram of a heat sink manufacturing according to an embodiment of the present invention;
FIG. 2 is a schematic view of a roller structure used in an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of a roller of the roller structure of FIG. 2;
FIG. 4 is a flow chart of a method of manufacturing a heat sink according to an embodiment of the present invention;
fig. 5 is a flowchart of step S0 of a method for manufacturing a heat sink according to an embodiment of the present invention;
fig. 6 is a flowchart of step S2 of a method for manufacturing a heat sink according to an embodiment of the invention.
Wherein the reference numerals are as follows: 1. a substrate; 2. a tooth plate; 3. a roller structure; 31. a roller; 32. a bearing; 33. a rotating shaft; 34. a driving section; 35. and an elastic mechanism.
Detailed Description
The present invention will be described in further detail below with reference to the drawings and detailed description for the purpose of better understanding of the technical solution of the present invention to those skilled in the art.
Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a," "an," or "the" and similar terms do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
In the embodiment of the present invention, a method for manufacturing a heat sink is provided, in which the method is applied to the roller structure 3, and the structure of the roller structure 3 is described below.
As shown in fig. 1-3, an exemplary roller structure 3 is provided; the roller structure 3 includes a pair of rollers 31, bearings 32 (including balls therein), a rotation shaft 33, a driving portion 34; wherein, a pair of rollers 31 are respectively connected at two ends of the rotating shaft, and a bearing 32 is in interference fit with the rotating shaft 33; the driving part 34 is connected with the bearing 32, and is used for driving the bearing 32 to drive the rollers 31 connected to the two ends of the rotating shaft 33 to move.
The elastic mechanism 35 is further disposed between the pair of rollers 31 of the roller structure 3, and the elastic mechanism 35 may be a spring assembly specifically, so that the distance between the two rollers 31 can be adjusted under the action of external force, and thus, the distance between the rollers 31 can be adjusted according to the distance between two adjacent tooth slots on the substrate 1 of the radiator, that is, the roller structure 3 can be suitable for various types of radiators. Here, the plurality of types of heat sinks described above are heat sinks having different tooth space pitches.
In order to enhance the riveting strength and reduce the riveting pressure, as shown in fig. 3, the surface of the roller structure 3 may be provided with uneven grains, such as straight grains, diagonal grains, and grid grains.
An embodiment of the present invention provides a method for manufacturing a heat sink, as shown in fig. 1 and 4, including the steps of:
s1, providing a substrate 1 and a plurality of tooth plates 2, wherein a plurality of tooth grooves are formed on the substrate 1 at intervals, and a connecting part is formed on one side of each tooth plate 2.
It should be noted here that the tooth socket is adapted to the connecting portion, so that the connecting portion can be fixed in the tooth socket. In step S1, the connection portion of the tooth plate 2 may be pre-placed in the tooth slot corresponding thereto by a robot arm or other device.
Specifically, the tooth slot may be a U-shaped slot or a square slot according to the shape of the connection portion, and in the embodiment of the present invention, the specific shape of the tooth slot is not limited.
S2, rolling the connecting part on one side of the tooth plate 2 into the tooth grooves of the base plate 1 through the roller structure 3, so that the tooth plate 2 is riveted with the tooth grooves through the connecting part on the tooth plate, and the tooth grooves and the tooth plate 2 are in one-to-one correspondence.
Specifically, in step S2, the roller structure 3 may be driven by the driving device to rotate, so as to roll the connection portion on one side of the tooth plate 2 into the tooth slot of the substrate 1, and at this time, the tooth plate 2 may be riveted with the tooth slot through the connection portion thereon, so as to fix the tooth plate 2 and the substrate 1.
It should be understood that the width of the connecting portion is larger than the width of the tooth slot, so that the connecting portion can be riveted with the tooth slot after being rolled to the tooth slot, and thus the tooth sheet 2 and the base plate 1 are fixed.
According to the manufacturing method of the radiator provided by the embodiment of the invention, the connecting part of the tooth sheet 2 is rolled to the tooth groove through the roller structure 3, and the connecting part is riveted with the tooth groove, so that the tooth sheet 2 is fixed with the base plate 1, compared with the radiator formed by adopting a die casting molding mode in the prior art, the precision requirement is low, the connecting part and the tooth groove are riveted through the roller, the influence of the flatness of the base plate 1 and the fluctuation of the tooth groove distance on the sheet for installing the tooth can be avoided, and the riveting quality and reliability are improved.
The tooth 2 in the embodiment of the present invention includes, but is not limited to, any one of a single-sided inflation heat dissipation tooth 2, a double-sided inflation heat dissipation tooth 2, a sheet metal heat dissipation tooth 2, a profile heat dissipation tooth 2, and a composite profile heat dissipation tooth 2.
In some embodiments, before performing step S1, the method for manufacturing a heat sink further includes step S0, i.e. forming a tooth slot on the substrate and forming a connection portion on one side of the tooth 2.
In some embodiments, as shown in fig. 5, step S0 may be as follows:
s01, forming a tooth 2 and a connecting part formed on one side of the tooth 2.
The connecting portion in the embodiment of the present invention includes, but is not limited to, a U-shaped reverse fold structure formed on one side of the tooth plate 2. In this case, in step S01, one side of the tooth sheet 2 may be reversely folded by a sheet metal process to form the tooth sheet 2 having a reversely folded structure. The connecting portion formed in this step is of an integrally formed structure with the tooth plate 2.
The connection portion in the embodiment of the present invention includes, but is not limited to, a first protrusion formed on one side of the tooth plate 2. At this time, step S01 may specifically form the tooth sheet 2 having the first protrusions by an extrusion molding process, that is, form the connection portion and the tooth sheet 2 into an integrally molded structure in this form.
S02, forming a substrate 1 and a plurality of tooth grooves which are arranged on the substrate 1 at intervals.
In some embodiments, step S02 may include forming a plurality of second protrusions spaced apart from each other on the substrate, and forming a spline on the second protrusions; wherein, tooth's socket and second arch one-to-one set up.
In some embodiments, the base, the second protrusions, and the tooth slots may be formed, in particular, by die casting; that is, the substrate 1, the second protrusions and the tooth grooves formed in the embodiment of the present invention are an integrally formed structure.
It should be noted that the order of the step S01 and the step S02 may be interchanged, and the order of the step S01 and the step S02 is not limited in the embodiment of the present invention.
In some embodiments, as shown in fig. 6, the step S2 may include the following steps:
s21, pre-placing the connecting part of the tooth plate 2 in a tooth slot on the base plate 1; wherein, the connecting parts on the tooth plates 2 which are pre-placed in every two adjacent tooth grooves are oppositely arranged.
Specifically, in step S21, the tooth plate 2 may be opposite to the tooth slot by a manipulator, and the connection portion on the tooth plate 2 may be pre-placed in the tooth slot.
S22, rolling the two connecting parts which are oppositely arranged through the two rollers of the roller structure 3 respectively, so that the two connecting parts are rolled into corresponding tooth grooves at the same time.
In step S22, the relative distance between the two roller structures 3 of the roller structure 3 needs to be adjusted first, so that the two roller structures 3 are pressed against two oppositely disposed connecting portions respectively, then the bearings of the roller structures 3 are rotated by the driving device to drive the two roller structures 3 to roll, and the two oppositely disposed connecting portions are rolled into corresponding tooth grooves respectively by one rolling, so that the connecting portions and the tooth grooves are riveted.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present invention, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the invention, and are also considered to be within the scope of the invention.
Claims (8)
1. A method of manufacturing a heat sink, comprising:
providing a substrate and a plurality of tooth plates; a plurality of tooth sockets which are arranged at intervals are formed on the substrate; a connecting part is formed on one side of each tooth plate;
rolling the connecting part into tooth grooves of the substrate through a roller structure so that the tooth plates are riveted with the tooth grooves through the connecting part on the tooth plates to form radiators in one-to-one correspondence between the tooth grooves and the tooth plates; the roller structure comprises a pair of rollers, a bearing, a rotating shaft and a driving part; the pair of rollers are respectively connected to two ends of the rotating shaft, and the bearings are in interference fit with the rotating shaft; the driving part is connected with the bearing and is used for driving the bearing to drive the rollers connected to the two ends of the rotating shaft to move;
the step of rolling the connecting part into the tooth slot of the substrate through the roller structure comprises the following steps:
the connecting parts of the tooth sheets pre-placed in every two adjacent tooth grooves are oppositely arranged, the two rollers are respectively pressed on the two oppositely arranged connecting parts through one-time rolling of the roller structures, and the two tooth sheets oppositely arranged at the connecting parts are simultaneously rolled into the corresponding tooth grooves;
and forming a plurality of second protrusions arranged at intervals on the substrate, and forming the tooth grooves on the second protrusions.
2. The method of manufacturing a heat sink according to claim 1, wherein the step of forming the connection portion on one side of the tooth includes:
and reversely folding one side of the tooth piece through a sheet metal process to form the connecting part.
3. The method of manufacturing a heat sink according to claim 1, wherein the step of forming the connection portion on one side of the tooth includes:
and forming a first bulge on one side of the tooth plate to form the connecting part.
4. The method for manufacturing a heat sink according to claim 3, wherein,
the first bulge and the tooth sheet are formed into an integral structure through extrusion molding.
5. The method of manufacturing a heat sink according to claim 1, wherein the fin includes any one of a single-sided blow-up fin, a double-sided blow-up fin, a sheet metal fin, a profile fin, and a composite profile fin.
6. The method of manufacturing a heat sink according to claim 1, wherein the second bump is an integrally formed structure of the substrate.
7. The method of manufacturing a heat sink according to claim 1, wherein the substrate, the second protrusions, and the tooth grooves are formed by die casting.
8. The method of manufacturing a heat sink according to claim 1, wherein the height of the connection portion is the same as the depth of the tooth groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911236986.1A CN112916744B (en) | 2019-12-05 | 2019-12-05 | Method for manufacturing radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911236986.1A CN112916744B (en) | 2019-12-05 | 2019-12-05 | Method for manufacturing radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112916744A CN112916744A (en) | 2021-06-08 |
| CN112916744B true CN112916744B (en) | 2024-03-08 |
Family
ID=76162362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911236986.1A Active CN112916744B (en) | 2019-12-05 | 2019-12-05 | Method for manufacturing radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112916744B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5406698A (en) * | 1993-10-06 | 1995-04-18 | R-Theta Inc. | Apparatus for fabricating high fin density heatsinks |
| DE19814368A1 (en) * | 1998-03-31 | 1999-10-07 | Siemens Ag | Modular heat sink manufacturing method |
| JP2011119488A (en) * | 2009-12-04 | 2011-06-16 | Mitsubishi Electric Corp | Heat sink and method of manufacturing heat sink |
| CN202276600U (en) * | 2011-10-27 | 2012-06-13 | 株洲市众瑞传热技术有限责任公司 | Rolled inlay radiator |
| CN103418708A (en) * | 2013-09-05 | 2013-12-04 | 美尔森电气保护系统(上海)有限公司 | Rolling technology of inserting sheet type air cooling radiator |
| TWM476457U (en) * | 2013-11-18 | 2014-04-11 | chong-xian Huang | Improved combination of heat dissipation plate and heat dissipation base |
| TW201938979A (en) * | 2019-03-15 | 2019-10-01 | 黃崇賢 | High-efficiency radiator with combined cooling fins obtained through stamping |
| JP2019166547A (en) * | 2018-03-23 | 2019-10-03 | 三菱電機株式会社 | Caulking apparatus, and manufacturing method of heat sink |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538558B (en) * | 2012-02-10 | 2013-07-24 | 东莞汉旭五金塑胶科技有限公司 | Radiator of punch combined radiating fins |
| CN110017712B (en) * | 2018-01-09 | 2021-03-26 | 讯凯国际股份有限公司 | Double-sided blowing-up plate, embedding and riveting structure of double-sided blowing-up plate and embedding and riveting method of embedding and riveting structure |
-
2019
- 2019-12-05 CN CN201911236986.1A patent/CN112916744B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5406698A (en) * | 1993-10-06 | 1995-04-18 | R-Theta Inc. | Apparatus for fabricating high fin density heatsinks |
| DE19814368A1 (en) * | 1998-03-31 | 1999-10-07 | Siemens Ag | Modular heat sink manufacturing method |
| JP2011119488A (en) * | 2009-12-04 | 2011-06-16 | Mitsubishi Electric Corp | Heat sink and method of manufacturing heat sink |
| CN202276600U (en) * | 2011-10-27 | 2012-06-13 | 株洲市众瑞传热技术有限责任公司 | Rolled inlay radiator |
| CN103418708A (en) * | 2013-09-05 | 2013-12-04 | 美尔森电气保护系统(上海)有限公司 | Rolling technology of inserting sheet type air cooling radiator |
| TWM476457U (en) * | 2013-11-18 | 2014-04-11 | chong-xian Huang | Improved combination of heat dissipation plate and heat dissipation base |
| JP2019166547A (en) * | 2018-03-23 | 2019-10-03 | 三菱電機株式会社 | Caulking apparatus, and manufacturing method of heat sink |
| TW201938979A (en) * | 2019-03-15 | 2019-10-01 | 黃崇賢 | High-efficiency radiator with combined cooling fins obtained through stamping |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112916744A (en) | 2021-06-08 |
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