The content of the invention
It is an object of the invention to provide a kind of mobile phone heat abstractor and its processing method, the radiating of the mobile phone heat abstractor is imitated
Fruit is good, while the process steps of the mobile phone heat abstractor are simple and production cost is relatively low.
To achieve these goals, the invention provides a kind of mobile phone heat abstractor, mobile phone heat abstractor include base and
Be connected to the top part of base top, top part includes being used for pedestal be connected with base, the bottom of pedestal formed with neck with
One in fixture block, is correspondingly formed with the other of neck and fixture block at the top of base, in fixture block insertion neck, to cause base
Seat and base are connected to each other, also, top part is copper alloy part, and base is Al-alloy parts.
Preferably, fixture block includes the base portion for being connected to pedestal or base and base portion protrudes the wedge-shaped block portion to be formed, along every
The bearing of trend of individual base portion, it is spaced formed with multiple wedge-shaped block portions, and neck is formed as with the shape being engaged with fixture block.
Preferably, pedestal and base perpendicular to the cross section in base and the overlapping direction of top part be rectangle;Base portion edge
The edge of pedestal or base extends, and fixture block includes being formed at two wedge-shaped block portions at the both ends of base portion and positioned at base portion
Middle part at least one wedge-shaped block portion.
Preferably, at pedestal or two edges relative to each other of base, it is respectively formed with a base portion.
Preferably, fixture block is formed on top part, and neck is formed on base.
Preferably, top part also includes being formed at multiple fin at the top of pedestal.
Present invention also offers a kind of processing method of mobile phone heat abstractor, mobile phone heat abstractor radiates for above-mentioned mobile phone
Device, processing method include:
Step 1:Copper alloy blank material is machined to form top part;
Step 2:By the top part according to the pedestal of the top part bottom towards the inner chamber of die casting bottom
Mode be arranged in the inner chamber of the die casting, and inject into the inner chamber of the die casting aluminium alloy liquid to causing
The aluminium alloy liquid coats the bottom of the pedestal;
Step 3:The aluminium alloy liquid is set to be cooled to solid-state to form mobile phone heat abstractor.
Preferably, copper alloy blank material is heated to 950-1000 DEG C, top part blank material is formed by extrusion forming, then simultaneously
The top part blank material is machined out to form the top part.
Preferably, also include in step 1:Multiple fin are formed by machining mode on the top of pedestal.
Pass through above-mentioned technical proposal, the present invention is by machining copper alloy blank material to form top part;Then by top part
By top part pedestal bottom towards the inner chamber of die casting bottom in the way of be arranged in the inner chamber of die casting, and
Aluminium alloy liquid is injected into the inner chamber of die casting to the bottom for causing aluminium alloy liquid cladding pedestal;Finally close the aluminium
Golden liquid cooling is to solid-state to form mobile phone heat abstractor.The mobile phone heat abstractor being process by such processing method,
Base and top part are entirely by the aluminium alloy of melting and then are coated on the bottom of pedestal and realize the nothing of base and top part
Seam connection, so as to improve the heat transfer efficiency of the mobile phone heat abstractor.Avoided in the processing method using heat-conducting glue, not only
Cost is reduced, while completely avoid the hair for the situation for causing occur gap between base and top part because of the aging of heat-conducting glue
It is raw.In addition, top part is copper alloy part, base is Al-alloy parts, and difference is that aluminium closes with top part and base in the prior art
Golden part, the advantages of being substantially better than the thermal conductivity factor of Al-alloy parts using the thermal conductivity factor of copper alloy, so as to further improve mobile phone
The radiating effect of heat abstractor.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making opposite explanation, the noun of locality such as " bottom of pedestal 2 " used typically refers to
The side relative with base 1 of pedestal 2, " top of base 1 " typically refer to the side relative with pedestal 2 of base 1.
The invention provides a kind of mobile phone heat abstractor, the mobile phone heat abstractor is as shown in Fig. 2 including base 1 and connection
Top part in the top of base 1, the top part is as shown in figure 1, including the pedestal 2 for being connected with base 1, the bottom of pedestal 2
Formed with one in neck and fixture block, the top of base 1 is correspondingly formed with the other of neck and fixture block, fixture block insertion card
In groove, to cause pedestal 2 and base 1 to be connected to each other, also, top part is copper alloy part, and base 1 is Al-alloy parts.
It is to enter by way of in the enough embedded neck of fixture block between top part and base 1 in above-mentioned mobile phone heat abstractor
Row connection, this connected mode not only reduce cost without using heat-conducting glue of the prior art, at the same completely avoid because
The aging of heat-conducting glue cause to occur between base 1 and top part gap the occurrence of.Due to being between base 1 and top part
It is seamlessly connected, so as to improve the radiating effect of mobile phone heat abstractor.In addition, top part is copper alloy part, base 1 is aluminium alloy
Part, difference are Al-alloy parts with top part and base in the prior art, and being substantially better than aluminium using the thermal conductivity factor of copper alloy closes
The advantages of thermal conductivity factor of golden part, so as to further improve the radiating effect of mobile phone heat abstractor.
In the above-described embodiment, the part that snap action is played on fixture block both can be directly on pedestal 2 or base 1
It is configured, the part that snap action is played on fixture block can also be arranged on pedestal 2 or base 1 by connector, it is excellent
Selection of land, the part that snap action is played on fixture block is to be connected to by base portion 3 on pedestal 2 or base 1, and such fixture block just includes
The base portion 3 and base portion 3 for being connected to pedestal 2 or base 1 protrude the wedge-shaped block portion 4 formed.Base portion 3 is set not only just on fixture block
In processing wedged block portion 4, while the contact area between pedestal 2 and base 1 can be also increased, so as to further improve top part
And the adhesion between base 1.In addition, wedge-shaped block portion 4 refer to the block portion vertically at least one face to be upper
It is narrow lower wide trapezoidal, and neck is formed as with the shape being engaged with fixture block.Such wedge-shaped block portion 4 is embedded into neck
Afterwards, each wall of neck is enabled to give the tighter extruding force in each side of wedge-shaped block portion 4, so that fixture block and neck
Between realize seamless combination.In order to further improve the adhesion between fixture block and neck, it is highly preferred that along each base portion 3
Bearing of trend, it is spaced formed with multiple wedge-shaped block portions 4.
In the present invention, the superposed surfaces of pedestal 2 and base 1 both can be regular character or irregular shape, be
It is easy to machine-shaping, it is preferable that the superposed surfaces of pedestal 2 and base 1 are rectangular surfaces.Wherein, the installation site of base portion 3 can be
Any one position of above-mentioned rectangle plane, can be with dense distribution on some position of above-mentioned rectangle plane, can also be uniform
It is distributed in above-mentioned rectangle plane, it is highly preferred that base portion 3 extends along the edge of pedestal 2 or base 1, such base portion 3 is more just
In machine-shaping, it is further preferred that at pedestal 2 or two edges relative to each other of base 1, a base is respectively formed with
Portion 3.
In addition, being arranged on the quantity of the wedge-shaped block portion 4 of base portion 3 and set location can select in wide scope, in order to
So that it is even closer between pedestal 2 and base 1, while cause stress equalization in unit area, it is preferable that fixture block includes being formed
Two wedge-shaped block portions 4 in the both ends of base portion 3 and at least one wedge-shaped block portion 4 positioned at the middle part of base portion 3.
In addition, in the present invention, to the set location of fixture block and neck, there is no particular limitation, in actual production, examines
Consider the fixture block easier to process on top part, it is preferable that fixture block is formed on top part, and neck is formed on base.
On the basis of each embodiment of above-mentioned mobile phone heat abstractor, in order to further improve the mobile phone heat abstractor
Radiating effect, it is preferable that top part also includes being formed at multiple fin 5 at the top of pedestal.
Present invention also offers a kind of processing method of mobile phone heat abstractor, the mobile phone heat abstractor is that above-mentioned mobile phone dissipates
Thermal, processing method include:
Step 1:Copper alloy blank material is machined to form top part;
Step 2:By top part by the pedestal 2 of top part bottom towards the inner chamber of die casting bottom in the way of
It is arranged in the inner chamber of die casting, and aluminium alloy liquid is injected to so that aluminium alloy liquid cladding into the inner chamber of die casting
The bottom of pedestal 2;
Step 3:Liquid cooling is enabled aluminum alloy to solid-state to form mobile phone heat abstractor.
Wherein, top part is installed in inner chamber needs to be fixed by servicing unit, and certain this servicing unit exists
There can be a variety of embodiments in this area, multiple screwed holes are provided with such as in the side wall of mould then will by screw element
Top part is fixed in the lumen or the top of the inner chamber of mould is provided with suspension member, and top part is hung on to the inner chamber of mould
In.
The mobile phone heat abstractor being process by above-mentioned processing method, base 1 and top part are entirely to pass through melting
Aluminium alloy then be coated on the bottom of pedestal 2 and realize the seamless connection of base 1 and top part, dissipated so as to improve the mobile phone
The heat transfer efficiency of thermal.Avoided in the processing method using heat-conducting glue, not only reduce cost, completely avoid simultaneously
Because the aging of heat-conducting glue cause to occur between base 1 and top part gap the occurrence of.In addition, top part is copper alloy
Part, base are Al-alloy parts, and difference is Al-alloy parts with top part and base 1 in the prior art, utilizes the heat conduction of copper alloy
Coefficient is substantially better than the advantages of thermal conductivity factor of Al-alloy parts, so as to further improve the radiating effect of mobile phone heat abstractor.
In processing method provided by the invention, by copper alloy blank material be processed into top part mode have it is various, can be with
It is directly to be process mechanical stretching and then by way of cutting, can be also process by way of die casting, for the ease of
Processing, preferred steps one include:Copper alloy blank material is heated to 950-1000 DEG C, now the surface of copper alloy blank material, which softens, causes
The state of copper alloy blank material between a solid and a liquid, then just forms top part blank material by extrusion forming, of course for
The copper alloy blank material rapid shaping to soften is allowd to carry out water cooling or air-cooled to the object after extrusion forming, then and to top
Part blank material is machined out to form top part.The blank of top part so need to be only formed by extrusion forming, then in hair
It is processed on base and forms neck or fixture block and can obtain the top part of compound mobile phone heat abstractor requirement.
In addition, it can be that any one can be formed in this area that neck or the mode of fixture block are machined on above-mentioned blank
The machining mode of neck or fixture block, such as car, milling, brill, plane, grind and the machining mode such as cut, in actual production, it is preferable that
Processing neck or fixture block on the bottom of pedestal 2 in step 1 is completed by cutting way, and cutting way is for processing wedge
Shape block portion is more quick.
Certainly, in step 1 in addition to carrying out the machining of neck or fixture block, in order to prevent the flash of top part to people
Body damages, can car, milling, brill, plane, grind or cut by way of flash removed it is clean.
On the basis of above-mentioned all kinds of embodiment, in order to further improve dissipating for the mobile phone heat abstractor being process
Thermal effect, it is preferable that also include in step 1:Multiple fin are formed by machining mode on the top of pedestal 2
5。
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.