CN110385382A - The manufacture craft for the composite heating panel that punching press is combined with hot pressing - Google Patents
The manufacture craft for the composite heating panel that punching press is combined with hot pressing Download PDFInfo
- Publication number
- CN110385382A CN110385382A CN201910730196.2A CN201910730196A CN110385382A CN 110385382 A CN110385382 A CN 110385382A CN 201910730196 A CN201910730196 A CN 201910730196A CN 110385382 A CN110385382 A CN 110385382A
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- Prior art keywords
- aluminum substrate
- hot pressing
- punching press
- convex
- die
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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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- 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
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal
Abstract
The present invention discloses a kind of manufacture craft of composite heating panel that punching press is combined with hot pressing, includes following steps: (1) punching press；(2) workpiece preheats；(3) mold preheats；(4) hot pressing；(5) it is opened.By first carrying out punching press to an at least aluminum substrate, then two aluminum substrates are preheated to reach as-welded again, preheated hot pressing die is recycled, two aluminum substrate hot pressing are welded together after upper die and lower die molding and form pipeline, present invention process is simple, without using solder, production operation environmental protection, cost is lower, and production efficiency is also higher, and the sealing performance of welding is more preferable, is worth of widely use.
Description
Technical field
The present invention relates to heat sink field technologies, refer in particular to a kind of system of composite heating panel that punching press is combined with hot pressing
Make technique.
Background technique
In order to improve radiating efficiency, current heat sink is composite structure, is usually combined by two sheet materials, two panels
After plate combines, the raising of radiating efficiency is realized using the pipeline filling refrigerant formed between them.
In the prior art, there are mainly two types of the production methods of composite heating panel: first way such as Chinese invention patent
Inflation type evaporator disclosed in 201210210336.1 answers the production method of aluminium sheet, successively passes through feather plucking, printing graphite, hot rolling
It is completed with processes such as air blowings, this mode complex process, and needs to use the auxiliary materials such as graphite, it is at high cost, it is unfavorable for criticizing
Quantization production；The second way hot superconductive radiating plate as disclosed in Chinese utility model patent 201720778647.6, is to adopt
The first plate and the second plate are welded together with solder layer, this mode due to using solder, production operation not environmentally,
And by the way of welding, sealing performance is difficult to ensure.Therefore, it is necessary to study a kind of schemes to solve the above problems.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide a kind of punching press and hot pressing
The manufacture craft of the composite heating panel combined, with simple process, at low cost, production operation is environmentally friendly, the spy of good airproof performance
Point.
To achieve the above object, the present invention is using following technical solution:
A kind of manufacture craft for the composite heating panel that punching press is combined with hot pressing, includes following steps:
(1) punching press: taking the first aluminum substrate and the second aluminum substrate, carries out punching press, the first aluminium to the first aluminum substrate using stamping die
The medial surface of substrate is formed with multiple convex surfaces, and the outside on multiple convex surfaces forms one first concave surface, and corresponding multiple convex surfaces are in the first aluminium
The lateral surface of substrate is formed with multiple second concave surfaces；
(2) workpiece preheats: carrying out heating preheating to the first aluminum substrate and the second aluminum substrate, and makes the first aluminum substrate and the second aluminium base
The temperature of plate reaches as-welded；
(3) mold preheats: the upper die and lower die of hot pressing die are preheated and kept the temperature；
(4) hot pressing: being superimposed together the first aluminum substrate and the second aluminum substrate and be put into hot pressing die, makes upper mold pushing and lower die
Pressure maintaining is molded, multiple upper punch of upper mold are butted on respectively on corresponding second concave surface, make the interior of multiple convex surfaces and the second aluminum substrate
Side fitting is welded and fixed on together, and the pipeline that can fill refrigerant is formed between the first concave surface and the medial surface of the second aluminum substrate；
(5) die sinking: upper mold and lower die are opened, and taking-up is welded together the first aluminum substrate and the second aluminum substrate, are shape after cooling
At composite heating panel.
As a preferred embodiment, in the step (4), before first aluminum substrate and the second aluminum substrate overlapping, first
Heat-conducting medium is placed on concave surface.
As a preferred embodiment, the heat-conducting medium is steel mesh, aluminium net or metal powder.
As a preferred embodiment, the multiple convex surface is made of multiple secondary convex surfaces and a main convex surface, multiple pair convex surface
It is intervally arranged, the main convex surface is around multiple secondary convex surface settings.
A kind of manufacture craft for the composite heating panel that punching press is combined with hot pressing, includes following steps:
(1) punching press: taking the first aluminum substrate and the second aluminum substrate, is carried out using stamping die to the first aluminum substrate and the second aluminum substrate
Punching press makes the medial surface of the first aluminum substrate be formed with multiple first convex surfaces, and the outside on multiple first convex surfaces forms one first concave surface,
Corresponding multiple first convex surfaces are formed with multiple second concave surfaces in the lateral surface of the first aluminum substrate；The medial surface of second aluminum substrate is formed
There are multiple second convex surfaces, the outside on multiple second convex surfaces forms a third concave surface, and corresponding multiple second convex surfaces are in the second aluminum substrate
Lateral surface be formed with multiple 4th concave surfaces；
(2) workpiece preheats: carrying out heating preheating to the first aluminum substrate and the second aluminum substrate, and makes the first aluminum substrate and the second aluminium base
The temperature of plate reaches as-welded；
(3) mold preheats: the upper die and lower die of hot pressing die are preheated and kept the temperature；
(4) hot pressing: being superimposed together the first aluminum substrate and the second aluminum substrate and be put into hot pressing die, makes upper mold pushing and lower die
Pressure maintaining is molded, multiple upper punch of upper mold are butted on respectively on corresponding second concave surface, and multiple low punches of lower die are butted on pair respectively
On the 4th concave surface answered, it is bonded multiple first convex surfaces and corresponding second convex surface and is welded and fixed on together, the first concave surface and the
The pipeline that can fill refrigerant is formed between three concave surfaces；
(5) die sinking: upper mold and lower die are opened, and taking-up is welded together the first aluminum substrate and the second aluminum substrate, are shape after cooling
At composite heating panel.
As a preferred embodiment, in the step (4), before first aluminum substrate and the second aluminum substrate overlapping, first
Heat-conducting medium is placed on concave surface and third concave surface.
As a preferred embodiment, the heat-conducting medium is steel mesh, aluminium net or metal powder.
As a preferred embodiment, the multiple first convex surface is made of the multiple first secondary convex surfaces and one first main convex surface,
Multiple first secondary convex surface is intervally arranged, and the first main convex surface is around the multiple first secondary convex surface settings；It is corresponding, multiple second
Convex surface is made of the multiple second secondary convex surfaces and one second main convex surface, and the multiple second secondary convex surface is intervally arranged, the second main convex surface
It is arranged around the multiple second secondary convex surfaces.
The present invention has obvious advantages and beneficial effects compared with the existing technology, specifically, by above-mentioned technical proposal
Known to:
By first carrying out punching press to an at least aluminum substrate, then two aluminum substrates are preheated again to reach as-welded, then benefit
With preheated hot pressing die, two aluminum substrate hot pressing are welded together after upper die and lower die molding and form pipeline, the present invention
Simple process, without using solder, production operation environmental protection, cost is lower, and production efficiency is also higher, and the sealing performance of welding
More preferably, it is worth of widely use.
In order to explain the structural features and functions of the invention more clearly, come with reference to the accompanying drawing with specific embodiment to this hair
It is bright to be described in detail.
Detailed description of the invention
Fig. 1 is the first preferred embodiment stereoscopic schematic diagram after molding of the present invention；
Fig. 2 is the exploded view of the first preferred embodiment of the present invention；
The the first preferred embodiment upper mold and the schematic partial cross-sectional view after lower die molding that Fig. 3 is the present invention；
Fig. 4 is the exploded view of the second preferred embodiment of the present invention；
The the second preferred embodiment upper mold and the schematic partial cross-sectional view after lower die molding that Fig. 5 is the present invention.
Description of drawing identification:
10, the first aluminum substrate 11, convex surface
111, secondary convex surface 112, main convex surface
12, the first concave surface 13, the second concave surface
14, the 141, first secondary convex surface of the first convex surface
142, the first main convex surface 15, the first concave surface
16, the second concave surface 101, pipeline
102, pipeline 20, the second aluminum substrate
21, the 211, second secondary convex surface of the second convex surface
212, the second main convex surface 22, third concave surface
23, the 4th concave surface 30, hot pressing die
31, upper mold 311, upper punch
32, lower die 321, low punch
40, heat-conducting medium.
Specific embodiment
It please refers to shown in Fig. 1 to Fig. 3, that show the specific structure of the first preferred embodiment of the present invention, this implementations
Example discloses a kind of manufacture craft of composite heating panel that punching press is combined with hot pressing, includes following steps:
(1) punching press: taking the first aluminum substrate 10 and the second aluminum substrate 20, carries out punching press to the first aluminum substrate 10 using stamping die,
The medial surface of first aluminum substrate 10 is formed with multiple convex surfaces 11, and the outside on multiple convex surfaces 11 forms one first concave surface 12, and correspondence is more
A convex surface 11 is formed with multiple second concave surfaces 13 in the lateral surface of the first aluminum substrate 10.In the present embodiment, the multiple convex surface
11 are made of multiple secondary convex surfaces 111 and a main convex surface 112, and multiple pair convex surface 111 is intervally arranged, and each pair convex surface 111 is
Polygon, the main convex surface 112 are arranged around multiple secondary convex surfaces 111.
(2) workpiece preheats: carrying out heating preheating to the first aluminum substrate 10 and the second aluminum substrate 20, and makes the first aluminum substrate 10
Reach as-welded with the temperature of the second aluminum substrate 20.
(3) mold preheats: the upper mold 31 and lower die 32 of hot pressing die 30 being preheated and kept the temperature, temperature reaches the first aluminium
The fusion temp of substrate 10 and the second aluminum substrate 20.
(4) hot pressing: the first aluminum substrate 10 and the second aluminum substrate 20 are superimposed together and are put into hot pressing die 30, upper mold is made
31 pushings mold pressure maintaining with lower die 32, and multiple upper punch 311 of upper mold 31 are butted on corresponding second concave surface 13 respectively, make multiple
Convex surface 11 is bonded with the medial surface of the second aluminum substrate 20 and is welded and fixed on together, the inside of the first concave surface 12 and the second aluminum substrate 20
The pipeline 101 that can fill refrigerant is formed between face.Also, in the present embodiment, first aluminum substrate 10 and the second aluminum substrate 20
Before overlapping, it is placed with heat-conducting medium 40 on the first concave surface 12, the heat-conducting medium 40 is steel mesh, aluminium net or metal powder etc., no
To be limited, to increase capillary structure, heat transfer efficiency is promoted.
(5) it is opened: upper mold 31 and lower die 32 is opened, taking-up is welded together the first aluminum substrate 10 and the second aluminum substrate
20, composite heating panel is formed after cooling, the one side of the composite heating panel generally horizontal plane, another side is male and fomale(M&F).
Referring to figure 4. and shown in Fig. 5, that show the specific structure of the second preferred embodiment of the present invention, this implementations
Example discloses a kind of manufacture craft of composite heating panel that punching press is combined with hot pressing, includes following steps:
(1) punching press: taking the first aluminum substrate 10 and the second aluminum substrate 20, using stamping die to the first aluminum substrate 10 and the second aluminium base
Plate 20 carries out punching press, and the medial surface of the first aluminum substrate 10 is made to be formed with multiple first convex surfaces 14, the outside on multiple first convex surfaces 14
One first concave surface 15 is formed, corresponding multiple first convex surfaces 14 are formed with multiple second concave surfaces in the lateral surface of the first aluminum substrate 10
16；The medial surface of second aluminum substrate 20 is formed with multiple second convex surfaces 21, and it is recessed that the outside on multiple second convex surfaces 21 forms a third
Face 22, corresponding multiple second convex surfaces 21 are formed with multiple 4th concave surfaces 23 in the lateral surface of the second aluminum substrate 20；In the present embodiment
In, the multiple first convex surface 14 is made of the multiple first secondary convex surfaces 141 and one first main convex surface 142, and multiple first is secondary convex
Face 141 is intervally arranged, which is arranged around the multiple first secondary convex surfaces 141；It is corresponding, multiple second convex surface
21 are made of the multiple second secondary convex surfaces 211 and one second main convex surface 212, and the multiple second secondary convex surface 211 is intervally arranged, this second
Main convex surface 212 is arranged around the multiple second secondary convex surfaces 211.
(2) workpiece preheats: carrying out heating preheating to the first aluminum substrate 10 and the second aluminum substrate 20, and makes the first aluminum substrate 10
Reach as-welded with the temperature of the second aluminum substrate 20.
(3) mold preheats: the upper mold 31 and lower die 32 of hot pressing die 30 being preheated and kept the temperature, temperature reaches the first aluminium
The fusion temp of substrate 10 and the second aluminum substrate 20.
(4) hot pressing: the first aluminum substrate 10 and the second aluminum substrate 20 are superimposed together and are put into hot pressing die 30, upper mold is made
31 pushings mold pressure maintaining with lower die 32, and multiple upper punch 311 of upper mold 31 are butted on respectively on corresponding second concave surface 16, lower die 32
Multiple low punches 321 be butted on corresponding 4th concave surface 23 respectively, make multiple first convex surfaces 14 and corresponding second convex surface 21
Fitting is welded and fixed on together, and the pipeline 102 that can fill refrigerant is formed between the first concave surface 15 and third concave surface 22；In this implementation
In example, before first aluminum substrate 10 and the second aluminum substrate 20 overlapping, it is placed on the first concave surface 15 and third concave surface 22 thermally conductive
Medium 40, the heat-conducting medium 40 are steel mesh, aluminium net or metal powder etc., not to be limited, to increase capillary structure, promote thermally conductive effect
Rate.
(5) it is opened: upper mold 31 and lower die 32 is opened, taking-up is welded together the first aluminum substrate 10 and the second aluminum substrate
20, composite heating panel is formed after cooling, the two sides side of the composite heating panel is male and fomale(M&F), can form the bigger pipe of internal diameter
Road 102.
Design focal point of the invention is: by first to an at least aluminum substrate carry out punching press, then again to two aluminum substrates into
Row preheating recycles preheated hot pressing die, melts two aluminum substrate hot pressing after upper die and lower die molding to reach as-welded
It is connected together and forms pipeline, present invention process is simple, and without using solder, production operation environmental protection, cost is lower, production efficiency
Also higher, and the sealing performance of welding is more preferable, is worth of widely use.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore any subtle modifications, equivalent variations and modifications to the above embodiments according to the technical essence of the invention, still
Belong in the range of technical solution of the present invention.
Claims (8)
1. a kind of manufacture craft for the composite heating panel that punching press is combined with hot pressing, it is characterised in that: include following steps:
(1) punching press: taking the first aluminum substrate and the second aluminum substrate, carries out punching press, the first aluminium to the first aluminum substrate using stamping die
The medial surface of substrate is formed with multiple convex surfaces, and the outside on multiple convex surfaces forms one first concave surface, and corresponding multiple convex surfaces are in the first aluminium
The lateral surface of substrate is formed with multiple second concave surfaces；
(2) workpiece preheats: carrying out heating preheating to the first aluminum substrate and the second aluminum substrate, and makes the first aluminum substrate and the second aluminium base
The temperature of plate reaches as-welded；
(3) mold preheats: the upper die and lower die of hot pressing die are preheated and kept the temperature；
(4) hot pressing: being superimposed together the first aluminum substrate and the second aluminum substrate and be put into hot pressing die, makes upper mold pushing and lower die
Pressure maintaining is molded, multiple upper punch of upper mold are butted on respectively on corresponding second concave surface, make the interior of multiple convex surfaces and the second aluminum substrate
Side fitting is welded and fixed on together, and the pipeline that can fill refrigerant is formed between the first concave surface and the medial surface of the second aluminum substrate；
(5) die sinking: upper mold and lower die are opened, and taking-up is welded together the first aluminum substrate and the second aluminum substrate, are shape after cooling
At composite heating panel.
2. the manufacture craft for the composite heating panel that punching press according to claim 1 is combined with hot pressing, it is characterised in that: institute
It states in step (4), before first aluminum substrate and the second aluminum substrate overlapping, is placed with heat-conducting medium on the first concave surface.
3. the manufacture craft for the composite heating panel that punching press according to claim 2 is combined with hot pressing, it is characterised in that: institute
Stating heat-conducting medium is steel mesh, aluminium net or metal powder.
4. the manufacture craft for the composite heating panel that punching press according to claim 1 is combined with hot pressing, it is characterised in that: institute
It states multiple convex surfaces to be made of multiple secondary convex surfaces and a main convex surface, multiple pair convex surface is intervally arranged, which surrounds multiple pairs
Convex surface setting.
5. a kind of manufacture craft for the composite heating panel that punching press is combined with hot pressing, it is characterised in that: include following steps:
(1) punching press: taking the first aluminum substrate and the second aluminum substrate, is carried out using stamping die to the first aluminum substrate and the second aluminum substrate
Punching press makes the medial surface of the first aluminum substrate be formed with multiple first convex surfaces, and the outside on multiple first convex surfaces forms one first concave surface,
Corresponding multiple first convex surfaces are formed with multiple second concave surfaces in the lateral surface of the first aluminum substrate；The medial surface of second aluminum substrate is formed
There are multiple second convex surfaces, the outside on multiple second convex surfaces forms a third concave surface, and corresponding multiple second convex surfaces are in the second aluminum substrate
Lateral surface be formed with multiple 4th concave surfaces；
(2) workpiece preheats: carrying out heating preheating to the first aluminum substrate and the second aluminum substrate, and makes the first aluminum substrate and the second aluminium base
The temperature of plate reaches as-welded；
(3) mold preheats: the upper die and lower die of hot pressing die are preheated and kept the temperature；
(4) hot pressing: being superimposed together the first aluminum substrate and the second aluminum substrate and be put into hot pressing die, makes upper mold pushing and lower die
Pressure maintaining is molded, multiple upper punch of upper mold are butted on respectively on corresponding second concave surface, and multiple low punches of lower die are butted on pair respectively
On the 4th concave surface answered, it is bonded multiple first convex surfaces and corresponding second convex surface and is welded and fixed on together, the first concave surface and the
The pipeline that can fill refrigerant is formed between three concave surfaces；
(5) die sinking: upper mold and lower die are opened, and taking-up is welded together the first aluminum substrate and the second aluminum substrate, are shape after cooling
At composite heating panel.
6. the manufacture craft for the composite heating panel that punching press according to claim 5 is combined with hot pressing, it is characterised in that: institute
It states in step (4), before first aluminum substrate and the second aluminum substrate overlapping, is placed with thermally conductive Jie on the first concave surface and third concave surface
Matter.
7. the manufacture craft for the composite heating panel that punching press according to claim 6 is combined with hot pressing, it is characterised in that: institute
Stating heat-conducting medium is steel mesh, aluminium net or metal powder.
8. the manufacture craft for the composite heating panel that punching press according to claim 5 is combined with hot pressing, it is characterised in that: institute
It states multiple first convex surfaces to be made of the multiple first secondary convex surfaces and one first main convex surface, the multiple first secondary convex surface is intervally arranged, should
First main convex surface is around the multiple first secondary convex surface settings；Corresponding, multiple second convex surface is by the multiple second secondary convex surfaces and one the
Two main convex surface compositions, the multiple second secondary convex surface are intervally arranged, and the second main convex surface is around the multiple second secondary convex surface settings.
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