CN110919307A - Method for processing heat dissipation plate and production line thereof - Google Patents
Method for processing heat dissipation plate and production line thereof Download PDFInfo
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- CN110919307A CN110919307A CN201911231180.3A CN201911231180A CN110919307A CN 110919307 A CN110919307 A CN 110919307A CN 201911231180 A CN201911231180 A CN 201911231180A CN 110919307 A CN110919307 A CN 110919307A
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- plate
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- heat dissipation
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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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- 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
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
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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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/10—Heat sinks
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a processing method of a heat dissipation plate and a production line thereof, which are applied to the field of heat dissipation plates and have the technical scheme that: the method comprises the following steps: the method comprises the following steps: cutting the plate to a designed size; step two: applying high-pressure airflow to the surface of the single sheet and blowing out a plurality of grooves; step three: overlapping two blown plates in a covering manner, or overlapping one blown plate and the other un-blown plate in a covering manner, and fixedly connecting the two plates together to form an internal cavity type runner; has the technical effects that: 1. when the plate is blown out of the runner or the groove, the aluminum material does not need to be heated in advance, the hot rolling is not needed, and the annealing after the hot rolling is not needed, so that the energy consumption is low, the error caused by different changes of the elongation of the plate during the hot rolling is effectively overcome, and the forming precision of the plate can be greatly improved; and repeated heating is not needed, the processing efficiency is high, and the production cost is low.
Description
Technical Field
The invention relates to the technical field of heat dissipation plate processing, in particular to a heat dissipation plate processing method and a heat dissipation plate production line.
Background
At present, a heating plate pipe in the market is made of a plate material with a plurality of grooves (or flow channels) in the middle of an aluminum plate as shown in fig. 1, and the heating plate has a wide application range, can be used for heat dissipation of a 5G base station, air conditioners or refrigerators, new energy vehicles and energy storage equipment of solar power stations.
For the heat dissipation plate pipe, the traditional processing mode is that two thick plates are hot rolled, rolled and thinned along the rolling direction to reach the required thickness, then airflow is blown into the gap between the two rolled plates, so that corresponding grooves are blown out, and finally the heat dissipation plate is obtained through molding.
The above prior art solutions have the following drawbacks: the processing mode needs to heat and soften thick plates firstly so as to facilitate hot rolling, but in the hot rolling process, the precision is insufficient due to the difference of the elongation rate, the rolling adhesion is not firm and is easy to fall off due to the difference of the hardness of the plates, the rolled plates need to be heated and annealed again, so that the energy consumption is quite large, once the blowing result is unqualified or the precision is insufficient, the heat exchange efficiency of the products is seriously influenced, and the designed heat dissipation effect cannot be achieved.
Disclosure of Invention
In view of the disadvantages of the prior art, an object of the present invention is to provide a method for manufacturing a heat sink, which has the effect of manufacturing a heat sink with high efficiency, high quality, high precision, and low power consumption.
The technical purpose of the invention is realized by the following technical scheme: a method for processing a heat dissipation plate comprises the following steps: the method comprises the following steps: cutting the plate to a designed size; step two: applying high-pressure airflow to the surface of the single sheet and blowing out a plurality of grooves; step three: overlapping two blown plates in a covering manner, or overlapping one blown plate and the other un-blown plate in a covering manner, and fixedly connecting the two plates together to form an internal cavity type runner; and carrying out continuous processing of punching, folding or flattening on the fixed plate with the cavity type flow channel so as to achieve the designed shape and size.
According to the technical scheme, firstly, high-pressure airflow is applied to the plates and blown out of the grooves, so that the plates have the necessary shape of the heat dissipation plate, then the two plates are oppositely covered and fixed together, or one plate after being blown and the other plate which is not blown are oppositely covered and fixed together to form the heat dissipation plate; compared with the traditional hot melting blowing method, the forming method does not need heating when the groove is pressed out of the plate, so that the distortion rate of the plate is small, the forming precision of the plate can be greatly improved, and the processing error is reduced; and repeated heating and annealing are not needed, the forming speed is high, the processing efficiency is high, and the energy consumption is low.
The invention is further configured to: and in the third step, the two sheets are fixedly connected in a brazing mode.
Through above-mentioned technical scheme, brazed mode can be so that the connection tightness between two panels is high to compare in traditional hot rolling, can reduce the possibility that the rolling of panel is rolled and is changed, improved the size precision of the cooling plate after the shaping.
The invention is further configured to: and selecting an aluminum material as the plate in the step one.
Through the technical scheme, the aluminum product is a good rolling material, has good ductility and plasticity, and the product obtained by blowing the aluminum product has high dimensional accuracy, small structural strength change and high product quality.
The invention is further configured to: in the fourth step, only the contact portions of the two sheets are brazed.
Through above-mentioned technical scheme, braze the contact site of two sheets, can reduce the loss of the energy to the temperature is concentrated in the contact site of two sheets, and is less to the middle part and the groove of two sheets influence, thereby can improve the quality of fashioned heating panel.
The invention is further configured to: and controlling the pressure of the high-pressure air flow in the second step to be 4-15 Mpa.
Through above-mentioned technical scheme, the high pressure draught can be fast convenient carry out the punching press to panel, form the recess to 4~15Mpa can be so that the cell wall thickness of recess is even, and the shaping of recess is of high quality.
The invention also aims to provide a production line of the heat dissipation plate, which has the effect of producing the heat dissipation plate quickly with low energy consumption.
The technical purpose of the invention is realized by the following technical scheme: the production line of the heat dissipation plate comprises an oil press, a high-pressure air compressor, a blowing control valve connected to the output end of the high-pressure air compressor, a brazing furnace and a punch press, wherein a pressure template matched with a finished plate is arranged on a workbench of the oil press.
Through the technical scheme, an operator firstly places the plates on a pressure template of an oil press, then presses the plates into a plurality of grooves through a high-pressure air compressor, then covers the two plates, and then sends the two plates into a brazing furnace for brazing to obtain a final heat dissipation plate; therefore, the heat dissipation plate can be manufactured quickly, conveniently and efficiently.
The invention is further configured to: and a conveying belt is arranged between the high-pressure air compressor and the brazing furnace, and the two oppositely covered plates are conveyed into the brazing furnace through the conveying belt.
Through above-mentioned technical scheme, the operator will be placed on the conveyer belt to two sheets of panel that cover, then carry to the stove of brazing through the conveyer belt, make whole inflation, braze on the one hand and form quick assembly line, on the other hand can make operating personnel keep away from production an ray of, reduces the potential safety hazard.
The invention is further configured to: and the oil press, the high-pressure air compressor, the brazing furnace and the punch press are continuously subjected to various working procedures through an intelligent trolley or a robot or a manipulator.
Through above-mentioned technical scheme, intelligent vehicle or robot or manipulator can be with accurate, automatic from the hydraulic press with panel carry to the conveyer belt on, also can carry the panel of brazing to carry out continuous processing such as die-cut and/or hem and/or flatten on the punch press, and whole process is full-automatic, need not manual operation, and the machining precision is high, and degree of automation is high, has improved production efficiency greatly.
In conclusion, the invention has the following beneficial effects:
1. compared with the traditional hot rolling blowing method, the method has the advantages that the heating, rolling and annealing are not needed when the plate is blown out of the groove, so that the distortion rate of the plate is small, the forming precision of the plate can be greatly improved, and the processing error is reduced; and the completeness of the groove is ensured without repeated heating and heat treatment by blowing for many times, the forming speed is high, and the processing efficiency is high.
Drawings
Fig. 1 is a schematic view of a structure of a heating plate tube in the prior art.
FIG. 2 is a schematic view of the flow structure of the processing method in example 1.
Fig. 3 is a schematic workflow diagram in example 2.
Fig. 4 is a schematic structural diagram for embodying the platform finding in embodiment 2.
Fig. 5 is a schematic structural view for embodying the oil press and the pressure die plate in embodiment 2.
Reference numerals: 1. a plate material; 2. a groove; 3. folding edges; 4. finding a platform; 41. a table body; 42. a table top; 43. leveling the rod; 5. an oil press; 51. a pressure template; 52. a bottom groove; 53. an air inlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: in a method for processing a heat dissipation plate, as shown in fig. 2, an operator first cuts a material plate into a standard size plate according to design requirements, wherein the plate is made of an aluminum plate because the aluminum plate has high ductility and plasticity. In this step, the operator can cut out the panel of equal specification fast, big batch to take in the later stage. An operator can cut the plate by using a laser cutting or mechanical cutting mode according to actual conditions, but the periphery of the plate is ensured to be free of burrs, the flatness of the plate is high, and the plate cannot be bent obviously.
As shown in fig. 2, an operator lays the processed plate flat, and then blows the surface of the plate by high-pressure air flow, the pressure of the high-pressure air flow is controlled to be 4-15 Mpa, preferably 6-11 Mpa, so as to quickly and stably blow out a plurality of grooves or runners from the surface of the plate, the surface quality of the grooves or runners blown out under the pressure in the range is good, the thickness is uniform, and the quality of the blown finished product is high.
As shown in fig. 2, an operator overlaps the plates blown out of the grooves, or overlaps one of the plates blown out with another plate that is not blown out, and a cavity is formed between the two plates, and finally the operator sends the two aligned plates to brazing, and only the contact parts of the two plates are brazed during brazing, wherein the brazing temperature is 480-650 ℃. Compared with the traditional hot rolling and air blowing processing mode, the processing mode of blowing the groove first and then brazing is adopted, so that the production steps are greatly simplified, the production efficiency is improved, the product quality is excellent, and the product consistency is good.
If necessary, an operator can cut the edge of the welded aluminum plate to realize or realize the product or semi-finished product required by the drawing;
if necessary, the aluminum plate after trimming can be bent;
if necessary, flattening the bent aluminum plate;
if necessary, bending the flattened aluminum plate again;
and if necessary, re-flattening the re-bent aluminum plate.
Example 2: a production line of a heat dissipation plate, as shown in fig. 3, 4 and 5, sequentially comprises a finding platform 4, an oil press 5, a high-pressure air compressor, a brazing furnace and a punch press, wherein a pressure template 51 is arranged on a workbench of the oil press 5, a plurality of bottom grooves 52 or flow channels are arranged on the pressure template 51, and an air inlet 53 is formed in one side of the pressure template 51. The plate 1 is placed on the pressure template 51, the output end of the high-pressure air compressor is connected with an air blowing control valve to control the pressure, and the output end of the high-pressure air compressor is connected with an air inlet 53 to blow the plate 1 on the oil press 5. Be equipped with the conveyer belt between hydraulic press 5 and the stove of brazing, the platform 4 of making level deviates from one side of hydraulic press 5, makes level between platform 4 and the hydraulic press 5, between hydraulic press 5 and the conveyer belt, all is equipped with an intelligent manipulator between stove of brazing and the punch press. The intelligent mechanical arm can accurately and automatically convey the plate 1 to the conveying belt from the oil press 5, and can also convey the brazed plate 1 to a punch press for continuous processing such as punching and/or flanging 3/and flattening and the like, so that the designed size is achieved. The whole process is full-automatic, manual operation is not needed, the machining precision is high, the automation degree is high, and the production efficiency is greatly improved.
If fig. 4, platform 4 of making level includes the mesa 42 that stage 41 and slope set up, be equipped with two mutually perpendicular's leveling rod 43 on the mesa 42, two butt joints of finding leveling rod 43 are close to stage 41, mesa 42 both downward slopes, the butt joint downward sloping towards two butt joints of finding leveling rod 43 again, two medial surface surfaces of finding leveling rod 43 are smooth, and the surface accuracy will be high, intelligent robot places panel 1 on platform 42 of platform 4 of making level, panel 1 automatic landing is to the butt joint of two screed under the effect of self gravity this moment, and both sides laminate with two screed medial surfaces respectively, thereby quick automatic realization location, intelligent robot snatchs panel 1 again and places on hydraulic press 5's pressure template 51 this moment, can improve the precision of placing of panel 1, and then improve the machining precision of panel 1.
Like fig. 5, then the high pressure air compressor machine applys 6~11 Mpa's high pressure draught to panel 1, is equipped with a plurality of predetermined kerfs 52 on the pressure template 51, therefore panel 1 is impacted the back by high pressure draught, can warp to a plurality of kerfs 52 in to a plurality of recesses 2 or the runner of blowing out fast convenient.
If fig. 3, then intelligent mechanical hand can be with being blown out panel 1 of recess 2 or runner accurate, automatic carry to the conveyer belt from hydraulic press 5 on, and be a set of and place the lid with two panel 1, the conveyer belt is carried panel 1 to the stove of brazing, the stove of brazing advances to braze to the contact site of two panel 1, make the hem 3 of two panels 1 braze together, whole process is full-automatic, need not manual operation, the machining precision is high, degree of automation is high, and production efficiency is greatly improved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. A method for processing a heat dissipation plate is characterized by comprising the following steps:
the method comprises the following steps: cutting the plate to a designed size;
step two: applying high-pressure airflow to the surface of the single sheet and blowing out a plurality of grooves;
step three: overlapping two blown plates in a covering manner, or overlapping one blown plate and the other un-blown plate in a covering manner, and fixedly connecting the two plates together to form an internal cavity type runner;
step four: and carrying out continuous processing of punching, folding or flattening on the fixed plate with the cavity type flow channel so as to achieve the designed shape and size.
2. The method for processing a heat radiating plate according to claim 1, wherein: and in the third step, the two sheets are fixedly connected in a brazing mode.
3. The method for processing a heat radiating plate according to claim 2, wherein: and selecting an aluminum material as the plate in the step one.
4. A method for processing a heat radiating plate according to claim 3, wherein: in the fourth step, only the contact portions of the two sheets are brazed.
5. The method for processing a heat radiating plate according to claim 3 or 4, wherein: and controlling the pressure of the high-pressure air flow in the second step to be 4-15 Mpa.
6. A production line to which the method for processing a heat radiating plate according to claim 5 is applied, characterized in that: the brazing machine comprises an oil press, a high-pressure air compressor, a blowing control valve connected to the output end of the high-pressure air compressor, a brazing furnace and a punch press, wherein a pressure template matched with a finished plate is arranged on a workbench of the oil press.
7. Production line of heat-radiating panels according to claim 6, characterized in that: and a conveying belt is arranged between the high-pressure air compressor and the brazing furnace, and the two oppositely covered plates are conveyed into the brazing furnace through the conveying belt.
8. Production line of heat-radiating panels according to claim 6, characterized in that: and the oil press, the high-pressure air compressor, the brazing furnace and the punch press are continuously subjected to various working procedures through an intelligent trolley or a robot or a manipulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911231180.3A CN110919307A (en) | 2019-12-05 | 2019-12-05 | Method for processing heat dissipation plate and production line thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911231180.3A CN110919307A (en) | 2019-12-05 | 2019-12-05 | Method for processing heat dissipation plate and production line thereof |
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| CN110919307A true CN110919307A (en) | 2020-03-27 |
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| CN201911231180.3A Pending CN110919307A (en) | 2019-12-05 | 2019-12-05 | Method for processing heat dissipation plate and production line thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112203470A (en) * | 2020-09-18 | 2021-01-08 | 深圳市飞荣达科技股份有限公司 | Three-dimensional heat dissipation plate and processing method thereof |
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