CN109732846A - Ultrafast laser surface treating nano injection moulding method - Google Patents
Ultrafast laser surface treating nano injection moulding method Download PDFInfo
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- CN109732846A CN109732846A CN201910019479.6A CN201910019479A CN109732846A CN 109732846 A CN109732846 A CN 109732846A CN 201910019479 A CN201910019479 A CN 201910019479A CN 109732846 A CN109732846 A CN 109732846A
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- nano
- surface treating
- mental section
- injection moulding
- ultrafast laser
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Abstract
The invention proposes ultrafast laser surface treating nano injection moulding methods, mainly comprise the steps that the first step, select mental section；Second step generates laser beam to mental section laser printer and shapes nano-pore to mental section；Third step is fixed with the mental section of nano-pore between the solid plate and Injection Motor Template of injection molding machine, then by injection molding machine gated injection molten plastic to there is nano-pore mental section side；4th step, cooling and shaping is at metallo-plastic composite article.The beneficial effects of the present invention are: ultrafast laser surface treating nano injection moulding method of the present invention, it is more beautiful to reduce product weight, appearance while meeting product high intensity demand for the cost for reducing forging or casting bulk metal product；It is impregnated with traditional acid & alkali liquid or the method for electrolyte formation nano-pore is compared, laser formation nano-pore has the advantages that shortening molding cycle, environment friendly and pollution-free, anti-removing, at low cost, quality is high, quality controllable.
Description
Technical field
The present invention relates to the integral molding techniques fields more particularly to ultrafast laser surface of metal and the superpower combination of plastics
Handle nano injection forming technique.
Background technique
With the extensive utilization of the high-end electronic product such as smart phone, the rear cover of electronic product is developed rapidly, this
A little rear covers cater to pursuit of the consumer to metal-like substantially.However there are certain difficulties for the production of the rear cover of all-metal.It is general
Metal product forges the product surface of casting at high cost for complicated rear cover using the method for forging or casting
Consistency is inadequate.What is come into being is the method that simple structure uses plastic construction using intermetallic composite coating, widget.This is not only full
Ultra-thin, the high-intensitive demand of pure gold metal products, and meet the light requirement of product.
The method by metal in conjunction with plastics is mainly nanometer forming technique (NMT) currently on the market, first by metal surface
After nanosizing is handled, form nanoscale hole hole in metal surface, plastics direct injection in metal surface, allow metal with
Plastics can be integrally formed.The key of NMT is how nanosizing is handled.
To solve the above problems, patent " mobile phone battery cover preparation method and mobile phone battery cover (number of patent application:
201710825099.2) " propose a kind of method that acid & alkali liquid etches nano-pore.But this acid & alkali liquid has chemical contamination, cost
The disadvantages of high, chemical reagent (T agent) foreign technology monopolizes.Patent " metal nano moulding process (number of patent application:
201510105785.3) method of electrolyte electrolysis processing molding nanometer pit " is proposed.The nano-pore that this method generates is easy de-
It falls, product quality is bad." plate (number of patent application: 201621066379.7) " proposes one kind to patent in a kind of novel NMT mobile phone
Conducting resinl is filled in nano-pore, the method for draining plastics.This method haves the shortcomings that conducting resinl is expensive.
The present invention proposes a kind of ultrafast laser surface treating nano injection molding technology and method, forms with laser printing
Technology generates nano-pore, in conjunction with injection molding technology, produces metallo-plastic composite article.
Summary of the invention
It is an object of the invention to replace acid soak and electrolyte technology to produce nano-pore using laser printing technology, then
Metallo-plastic composite article is produced in conjunction with injection molding technology.Method is simple, high-efficient, and laser printing speed is fast, is suitble to batch
Production.
The ultrafast laser surface treating nano injection moulding method that the present invention uses, mainly comprises the steps that the first step,
Select mental section；Second step generates laser beam to mental section laser printer and shapes nano-pore to mental section；Third
Step, the mental section of nano-pore is fixed between the solid plate and Injection Motor Template of injection molding machine, is then poured by injection molding machine
Mouthful injection molten plastic is to there is nano-pore mental section side；4th step, cooling and shaping is at metallo-plastic composite article.
Ultrafast laser surface treating nano injection moulding method of the present invention is related to metal and inorganic non-metallic in conjunction with plastics
Technology；Metal, ceramics etc. can the material of laser boring can all apply the technology.
Ultrafast laser surface treating nano injection moulding method of the present invention is surface-treated by ultrafast laser, in metal surface
Form the barrel-shaped hole of up-narrow and down-wide nanoscale.
The difference of the laser boring defocusing amount of ultrafast laser surface treating nano injection molding technology of the present invention can generate not
The hole of similar shape, defocusing amount be laser spot between working substance with a distance from.When adjusting defocusing amount greater than 0, hole is generated；Adjust from
When coke amount is equal to 0, bellmouth is generated；When adjusting defocusing amount less than 0, barrel-shaped hole is generated.And nano-pore of the invention is based on sharp
The barrel-shaped hole of light printing, the especially barrel-shaped hole of beer makes plastics be easy to fill its main feature is that runner rule is smooth；Beer is barrel-shaped
Structure, it is up-narrow and down-wide, make plastics as the fourth of the twelve Earthly Branches and metal bonding, bond strength is high, and plastics difficulty falls off.Such hole it is several just
It can satisfy requirement, without requiring the density in hole very high.It is spaced a distance arrangement, the producing efficiency superelevation in hole.
The curve rate of the nano-pore of ultrafast laser surface treating nano injection moulding method of the present invention is adjustable, that is, works as defocusing amount
When value difference less than 0, the profile in barrel-shaped hole is also not quite similar.Capacious nano-pore can fill more plastics, take second place then
Fill few.Different nano-pore cooperations keep the bonding force of plastics and mental section bigger.
Ultrafast laser surface treating nano injection moulding method of the present invention also can be used laser to beat inclined hole, angle, the depth of inclined hole
Degree and width are adjustable；Angle, the depth and width of different inclined holes can be different, can also be identical.The cross sectional shape of inclined hole can be
Taper, rectangle or barrel-shaped or beer are barrel-shaped, and the different angle of inclined hole, depth and width diversity factor are more complicated, then plastics and metal
The bonding force of profile is bigger.
More preferably, the mental section include: aluminium and aluminium alloy, stainless steel serial (SUS-304/316/316L), magnesium and
Magnesium alloy, titanium or titanium alloy.
More preferably, the mental section include all metals with plastics with the product in conjunction with nanotechnology, including intelligent hand
Machine shell, wearing intelligence, electronic product etc..
More preferably, quality of item can be improved to mental section surface preparation before progress laser formation machine.
More preferably, the plastics are applicable not only to the engineering plastics such as PPS/PBT/PA-66, PPA, ABS/PC/PMMA/PS etc.
General-purpose plastics；And it is suitable for thermoplastic, thermosetting plastics.
More preferably, it needs first to pre-process before the mental section of laser forming nano-pore being carried out injection plastics, eliminates hair
Thorn.
The beneficial effects of the present invention are: the present invention is embedded in parts of plastics on mental section surface realizes complicated product
Structure.The cost for reducing forging or casting bulk metal product reduces production while meeting product high intensity demand
Product weight, appearance are more beautiful；It is impregnated with traditional acid & alkali liquid or the method for electrolyte formation nano-pore is compared, laser formation is received
Metre hole has the advantages that shortening molding cycle, environment friendly and pollution-free, anti-removing, at low cost, quality is high, quality controllable.Due to swashing
Light punching is to carry out snap to material using the high energy laser beam that power density is l07-109W/cm2, and action time only has
10- 3-10- 5S, therefore laser boring speed is very fast.High-effect laser and high-precision lathe and control system are cooperated,
Process control is carried out by microprocessor, high efficiency punching may be implemented.Laser boring and electric spark are beaten on different workpiece
Hole and machine drilling are compared, and efficiency improves l0-1000 times, therefore the present invention is referred to as ultrafast laser surface treatment.
Detailed description of the invention
Fig. 1 is the process flow chart of ultrafast laser surface treating nano injection moulding method of the present invention.
Fig. 2 is that the laser boring defocusing amount of ultrafast laser surface treating nano injection moulding method of the present invention influences pass
(left figure defocusing amount is greater than 0 to figure, and middle figure defocusing amount is 0, and right figure defocusing amount is less than 0).
Fig. 3 is the different curve rate nano-pore enlarged drawings of ultrafast laser surface treating nano injection moulding method of the present invention.
Fig. 4 is the different structure nanometer inclined hole enlarged drawing of ultrafast laser surface treating nano injection moulding method of the present invention.
Fig. 5 is the different barrel-shaped mesoporous metals of curve rate nanometer of ultrafast laser surface treating nano injection moulding method of the present invention
Profile and plastics combination principle figure.
Fig. 6 is the different structure nanometer inclined hole mental section of ultrafast laser surface treating nano injection moulding method of the present invention
With plastics combination principle figure.
In figure: 1. mental sections, 2. laser printers, 3. laser beams, 4. fixed die plate of injection molding machine, 5. plastics, 6. injection molding machines
Moving template, 7. injection molding machine running channels, 8. burrs.
Wherein, 1-1. is cheated, 1-2. bellmouth, the barrel-shaped hole 1-3., 1-4. inclined hole.
Specific embodiment
The process flow of ultrafast laser surface treating nano injection molding technology of the present invention, the first step, is selected as shown in Figure 1:
Select mental section 1；Second step generates laser beam 3 to mental section laser printer 2 and shapes nano-pore to mental section；The
Three steps are fixed with the mental section of nano-pore between the solid plate 4 and Injection Motor Template 6 of injection molding machine, then pass through injection molding
Machine cast gate 7 injects molten plastic 5 to there is nano-pore mental section side；4th step, cooling and shaping is at metallo-plastic composite article.
The difference of the laser boring defocusing amount of ultrafast laser surface treating nano injection molding technology of the present invention can generate not
The hole of similar shape, as shown in Figure 2: as defocusing amount > 0, generating hole 1-1；When defocusing amount=0, bellmouth 1-2 is generated；When from
When coke amount < 0, barrel-shaped hole 1-3 is generated；When the value difference of defocusing amount < 0, the profile in barrel-shaped hole is also not quite similar.And it is of the invention
Nano-pore be that the barrel-shaped hole 1-3 based on laser printing makes plastics be easy to fill its main feature is that runner rule is smooth；Barrel-shaped knot
Structure, it is up-narrow and down-wide, make plastics as the fourth of the twelve Earthly Branches and metal bonding, bond strength is high, and plastics difficulty falls off.
The curve rate of the nano-pore of ultrafast laser surface treating nano injection molding technology of the present invention is adjustable, as shown in Figure 3:
I.e. when the value difference of defocusing amount < 0, the profile in barrel-shaped hole is also not quite similar.Capacious nano-pore 9 can fill more modelings
Material, that takes second place that (10/11) then fill lacks.Different nano-pore cooperations keep the bonding force of plastics and mental section bigger.
Ultrafast laser surface treating nano injection molding technology of the present invention can also beat inclined hole with laser, as shown in figure 4, inclined hole
Angle, the depth and width of 1-4 are adjustable, by the inclined hole of laser processing on processing surface, the angle of each inclined hole according to
Certain rule variation, the depth and diameter of inclined hole also change；Angle, the depth and width of different inclined hole 1-4 can be different, can also
It is identical.Inclined hole 1-4 different angle, depth and width diversity factor are more complicated, then plastics 5 and the bonding force of mental section 1 are bigger.
The mental section and plastics combination principle of ultrafast laser surface treating nano injection molding technology of the present invention, as Fig. 5,
It shown in 6, by combining closely for plastics 5 and mental section 1, may be implemented by metal in conjunction with plastics, bond strength is high.
The above is specific equipment and process condition of the invention, and each figure is cooperated to be explained.But the present invention is not
It is confined to above-described specific equipment and technical process, it is any based on above-mentioned described for relevant device modifications or substitutions,
It is any based on the above-mentioned described local directed complete set for related process, as long as being belonged within the scope of realm of spirit of the invention
The present invention.
Claims (9)
1. ultrafast laser surface treating nano injection moulding method, it is characterised in that: the first step selects mental section；Second step,
Laser beam is generated to mental section laser printer, nano-pore is shaped to mental section；Third step, in the solid plate of injection molding machine
The mental section of nano-pore is fixed between Injection Motor Template, then by injection molding machine gated injection molten plastic to receiving
Metre hole mental section side；4th step, cooling and shaping is at metallo-plastic composite article.
2. ultrafast laser surface treating nano injection moulding method according to claim 1, it is characterised in that: mental section
For inorganic material profile.
3. ultrafast laser surface treating nano injection moulding method according to claim 1 or 2, it is characterised in that: nanometer
Hole is up-narrow and down-wide barrel-shaped hole.
4. ultrafast laser surface treating nano injection moulding method according to claim 1 or 2, it is characterised in that: nanometer
The distribution in hole is to be spaced a distance arrangement.
5. ultrafast laser surface treating nano injection moulding method according to claim 1 or 2, it is characterised in that: nanometer
Hole is inclined hole, and the angle of each inclined hole is different.
6. ultrafast laser surface treating nano injection moulding method according to claim 5, it is characterised in that: the depth of inclined hole
Degree and width are adjustable；The cross sectional shape of inclined hole can be barrel-shaped for taper, rectangle or barrel-shaped or beer.
7. ultrafast laser surface treating nano injection moulding method according to claim 5, it is characterised in that: the depth of inclined hole
Degree and width are different.
8. ultrafast laser surface treating nano injection moulding method according to claim 1, it is characterised in that: mental section
It include: aluminium and aluminium alloy, stainless steel series, magnesium and magnesium alloy, titanium or titanium alloy.
9. ultrafast laser surface treating nano injection moulding method according to claim 1, it is characterised in that: carry out laser
To mental section surface preparation before molding machine, burr is eliminated.
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| CN201910019479.6A CN109732846A (en) | 2019-01-09 | 2019-01-09 | Ultrafast laser surface treating nano injection moulding method |
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| CN201910019479.6A CN109732846A (en) | 2019-01-09 | 2019-01-09 | Ultrafast laser surface treating nano injection moulding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452296A (en) * | 2020-04-13 | 2020-07-28 | 杭州易正科技有限公司 | Flash removing and immersing device of chip packaging part |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120094108A1 (en) * | 2010-10-13 | 2012-04-19 | Hon Hai Precision Industry Co., Ltd. | Composite of metal and resin and manufacturing method thereof |
| CN107199287A (en) * | 2017-01-25 | 2017-09-26 | 蔡振豪 | The manufacture method and particular manufacturing craft of a kind of phone housing |
| CN107283724A (en) * | 2017-07-06 | 2017-10-24 | 广东欧珀移动通信有限公司 | Housing, electronic equipment and Shell Manufacture |
| CN107650326A (en) * | 2017-09-11 | 2018-02-02 | 歌尔股份有限公司 | Engaging member of base material and plastics and preparation method thereof |
| CN207218821U (en) * | 2017-09-01 | 2018-04-10 | 深圳市明智塑胶制品有限公司 | A kind of mobile phone body shell of aluminum casing nanometer injection molding |
-
2019
- 2019-01-09 CN CN201910019479.6A patent/CN109732846A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120094108A1 (en) * | 2010-10-13 | 2012-04-19 | Hon Hai Precision Industry Co., Ltd. | Composite of metal and resin and manufacturing method thereof |
| CN107199287A (en) * | 2017-01-25 | 2017-09-26 | 蔡振豪 | The manufacture method and particular manufacturing craft of a kind of phone housing |
| CN107283724A (en) * | 2017-07-06 | 2017-10-24 | 广东欧珀移动通信有限公司 | Housing, electronic equipment and Shell Manufacture |
| CN207218821U (en) * | 2017-09-01 | 2018-04-10 | 深圳市明智塑胶制品有限公司 | A kind of mobile phone body shell of aluminum casing nanometer injection molding |
| CN107650326A (en) * | 2017-09-11 | 2018-02-02 | 歌尔股份有限公司 | Engaging member of base material and plastics and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452296A (en) * | 2020-04-13 | 2020-07-28 | 杭州易正科技有限公司 | Flash removing and immersing device of chip packaging part |
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