CN107819089A - A kind of manufacture craft and its former of 3D battery covers - Google Patents
A kind of manufacture craft and its former of 3D battery covers Download PDFInfo
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- CN107819089A CN107819089A CN201711160914.4A CN201711160914A CN107819089A CN 107819089 A CN107819089 A CN 107819089A CN 201711160914 A CN201711160914 A CN 201711160914A CN 107819089 A CN107819089 A CN 107819089A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000007493 shaping process Methods 0.000 claims abstract description 85
- 239000010408 film Substances 0.000 claims abstract description 35
- 238000000465 moulding Methods 0.000 claims abstract description 34
- 230000000694 effects Effects 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 21
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 16
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 16
- 238000012546 transfer Methods 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 239000012788 optical film Substances 0.000 claims abstract description 8
- 238000004381 surface treatment Methods 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 62
- 238000010438 heat treatment Methods 0.000 claims description 50
- 238000013519 translation Methods 0.000 claims description 16
- 208000002925 dental caries Diseases 0.000 claims description 9
- 230000003434 inspiratory effect Effects 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 238000007639 printing Methods 0.000 claims description 6
- 239000000047 product Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005282 brightening Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 235000015110 jellies Nutrition 0.000 description 2
- 239000008274 jelly Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The present invention discloses a kind of manufacture craft of 3D battery covers, is achieved by the steps of：PMMA film is formed into composite plate together with PC Film laminateds, LOGO pattern printed layers, UV transfer texture maps pattern layer, optical film and background color ink layer are from top to bottom set gradually in the bottom surface of PC films, forms sheet material to be formed；Sheet material to be formed is placed on high-pressure molding on former, form molding semi product, by molding semi product pressure gun the showering of UV hardening baths at the top on molding semi product surface, molding semi product surface is covered with UV hardening baths, drying forms surface treatment afterwards, surface treatment is subjected to reverse side using CNC cutting machines and places cutting, forms 3D battery cover finished products.Compared with prior art, it can make battery cover also have good toughness on the premise of preferable intensity is reached, and hardness is higher, have the advantages of shaping finished product rate is high, highlight surface effect.Invention additionally discloses a kind of former of 3D battery covers.
Description
Technical field
The present invention relates to Cellphone Accessories production field, the manufacture craft of more particularly to a kind of 3D battery covers and for 3D batteries
Cover the former of shaping.
Background technology
Most of battery cover of the existing various types of communication electronics of in the market and household electrical appliance uses plastic material, meanwhile, it is
Prevent that picture on surface from being scratched, patterned layer is generally located on the back side of battery cover, pattern is kept the distinctness of color for a long time
Not fugitive color, this be also society demand institute to.In order to strengthen the appearance of battery cover, typically carried out using UV gloss oil more
The purpose of three-dimensional pattern effect is presented to reach for the superposition printing of secondary repetition.However, the battery cover of such a plastic material, its hardness
It is slightly poor, and brightness effect can not be presented；Meanwhile traditional plastic battery lid is to use hot press forming technology, and battery cover
Hardness is not high, shaping when easily cause surface damage the problem of.
In view of this, the present inventor furthers investigate to above mentioned problem, is produced then by this case.
The content of the invention
In view of this, it is an object of the invention to provide a kind of manufacture craft of 3D battery covers, to solve existing battery cover
Difference of hardness, no brightness effect, the problem of molded surface is damaged.
Another object of the present invention is to provide a kind of former of 3D battery covers, it is being molded with solving existing battery cover
When surface it is easily damaged the problem of.
In order to reach above-mentioned purpose, solution of the invention is：A kind of manufacture craft of 3D battery covers, by walking as follows
It is rapid to realize：
First, sheet material is compound, and PMMA film is formed into composite plate together with PC Film laminateds,
And the thickness of thin of the thickness ratio PC films of PMMA film；
2nd, print, using PC films backwards to PMMA film one side as bottom surface, be printed with the bottom surface of PC films LOGO patterns print
Brush layer, transfer UV transfer texture maps pattern layer in LOGO pattern printed layers by UV glue afterwards, then transfer texture in UV
One layer of optical film is electroplated in patterned layer, one layer of background color ink layer is finally printed on optical film, forms sheet material to be formed；
3rd, high-pressure molding, the sheet material to be formed of step 3 is first placed on high-pressure molding on former, this former
Including lower template, holding pad, heating plate and the cope plate from top to bottom set gradually, the top surface of lower template is recessed forming cavity
Room, is molded the negative inspiratory pressure hole for offering on the bottom of chamber of chamber and being flowed into for extraneous negative-pressure gas, is placed with forming cavity room and hand
There is air inlet gap, binder between the internal chamber wall of the forming panel that machine bonnet shape matches, this forming panel and shaping cavity
Correspond to contraposition at shaping cavity on plate and offer the through hole to be matched with shaping chamber, cope plate corresponds to the portion of shaping chamber
The high pressure blow-gas hole flowed into for extraneous gases at high pressure is offered at position；
During shaping, sheet material to be formed is first lain against in lower template, and is molded chamber and is fallen into sheet range to be formed, it
Afterwards, holding pad and lower template move up, and holding pad is superimposed up and down with lower template, and heating plate is superimposed up and down with holding pad, heats
Plate start, treat formed sheet carry out infrared heating mode baking, baking temperature be 360~380 DEG C, baking time be 35~
40s, and the negative inspiratory pressure hole outflow negative-pressure gas when sheet material to be formed toasts 18~20s, the negative pressure pressure of negative-pressure gas is progressively
Rise, constant pressure is toasted after the negative pressure pressure of negative-pressure gas reaches 38~49Pa, and after baking, heating plate is removed to cope plate
Outside, negative inspiratory pressure hole keeps blowout negative-pressure gas, and cope plate is synchronously moved up with holding pad and together overlapped with cope plate, afterwards upper mould
The high pressure blow-gas hole blowout gases at high pressure of plate, the High voltage output of gases at high pressure are defeated in the multisection type high pressure of different pressures value output
Go out, position of the final sheet material to be formed at shaping chamber is drawn into die cavity room is affixed cooperation with forming panel, is formed
Molding semi product, and demoulding comes out from former by molding semi product；
4th, showering is handled, by the molding semi product pressure gun of step 3 the showering of UV hardening baths in molding semi product table
At the top in face, UV hardening baths flow down, until molding semi product surface is covered with UV hardening baths, drying afterwards forms surface treatment
Part；
5th, by the surface treatment of step 4 using CNC cutting machines carry out reverse side place cutting, formed 3D battery covers into
Product.
The thickness that the UV hardening baths on finished product surface are molded in above-mentioned steps four is 2um.
Above-mentioned PMMA film and the thickness ratio of above-mentioned PC films are 1：9.
Above-mentioned multisection type High voltage output is three-stage High voltage output, and it is defeated that this three-stage High voltage output is divided into first paragraph high pressure
Go out, second segment High voltage output and the 3rd section of High voltage output, wherein, the high-pressure gas pressure of first paragraph High voltage output for 10~
20Mpa, output time are 0.5~1s；The high-pressure gas pressure of second segment High voltage output is 30~50Mpa, output time 0.5
~1s；The high-pressure gas pressure of 3rd section of High voltage output is 80~100Mpa, and output time is 10~15s.
A kind of former of 3D battery covers, including frame, above-mentioned frame are provided with the lower mould from bottom to top set gradually
Plate, holding pad, heating plate and cope plate, above-mentioned lower template are movably arranged on frame in a manner of sliding back and forth and move up and down
On, and the lower lifting drive of control lower template oscilaltion and the lower translation drive that lower template is movable are installed in frame
Dynamic device, the upper surface of above-mentioned lower template is recessed shaping cavity, and the bottom of chamber of above-mentioned shaping cavity is offered for extraneous negative pressure gas
The negative pressure inlet hole that body enters, in above-mentioned shaping cavity activity be placed with the forming panel to be matched with the shape of cell phone rear cover,
The periphery of above-mentioned forming panel between the madial wall of above-mentioned shaping cavity along having an air inlet gap, and above-mentioned holding pad to rise up and down
The mode of drop be arranged on above-mentioned frame on, be provided with above-mentioned frame control holding pad lifting upper lifting drive, and on
State holding pad and offered corresponding to the position of above-mentioned shaping cavity and run through through hole, above-mentioned heating plate with what shaping cavity matched
It is arranged in a manner of movable in above-mentioned frame, the upper translation that driving heating plate anterior-posterior translation is provided with above-mentioned frame is driven
Dynamic device, above-mentioned cope plate is fixedly mounted in above-mentioned frame, and the bottom surface of above-mentioned cope plate corresponds to above-mentioned shaping cavity
Position offer the high pressure blow-gas hole being blown into for extraneous gases at high pressure.
Above-mentioned lower template, holding pad, heating plate and cope plate are square block, are offered in above-mentioned lower template on four
Shaping cavity is stated, four shaping cavitys are in the row spread configuration of two row two, above-mentioned to be correspondingly provided with four through through hole, four shaping cavitys
Through through hole, positive contraposition is set up and down one by one with four.
The upper surface of above-mentioned template, which corresponds at each shaping cavity, is installed with four locating dowels, at each shaping cavity
Four locating dowels it is corresponding outside the corner of shaping cavity.
Above-mentioned heating plate is infrared hot plate.
Above-mentioned frame has the heel post positioned at arranged on left and right sides, between the heel post of both sides and fixed with heel post
Lower hollow square framework, between the heel post of both sides and above the hollow square framework upper hollow square framework,
And the top frame being fixedly connected in both sides heel post top surface with heel post；Pacify in the hollow scope of above-mentioned lower hollow square framework
Equipped with the travelling carriage along lower hollow square framework fore-and-aft direction, above-mentioned lower template is positioned over the top of above-mentioned travelling carriage, above-mentioned cunning
The lower lift cylinder erect and set is installed, the piston rod free end end activity of above-mentioned lower lift cylinder is worn on the bottom surface of moving frame
Cross above-mentioned travelling carriage to be fixedly connected with above-mentioned lower template, above-mentioned lower lift cylinder is described lower lifting drive, under above-mentioned
The lower flat-removing air cyclinder set along the accumbency of frame fore-and-aft direction is installed, above-mentioned lower flat-removing air cyclinder is in above-mentioned on hollow square framework
The rear of travelling carriage, and the piston rod free end end of above-mentioned lower flat-removing air cyclinder is fixedly connected with the trailing flank of above-mentioned travelling carriage,
Above-mentioned lower flat-removing air cyclinder is described lower translation driving device；Above-mentioned frame also has the guiding outside at left and right sides of holding pad
Column, the arranged on left and right sides of above-mentioned holding pad are convexly equipped with the guiding mounting blocks being sheathed on outside guide upright post respectively, and above-mentioned upper lifting is driven
The motor that device rotates including screw mandrel and drive screw is moved, above-mentioned screw mandrel, which is erect, to be set and pass through holding pad left side or right side
Guiding mounting blocks, and be oriented to mounting blocks be screwed together with screw mandrel；Above-mentioned heating plate is arranged on above-mentioned in a manner of sliding back and forth
In the hollow chamber of upper hollow square framework, it is provided with above-mentioned upper hollow square framework in above-mentioned heating plate rear, simultaneously
The upper flat-removing air cyclinder set along the accumbency of frame fore-and-aft direction, piston rod free end end and the above-mentioned heating of above-mentioned upper flat-removing air cyclinder
The trailing flank secure fit of plate, above-mentioned upper flat-removing air cyclinder are described upper translation driving device.
Positioning guide column is erect at the upper surface corner of above-mentioned lower template respectively, above-mentioned holding pad, which corresponds to each positioning, leads
The guiding perforation for offering and being passed through for positioning guide column is corresponded to post.
After adopting the above technical scheme, a kind of manufacture craft of 3D battery covers of the present invention, has the advantages that：
First, battery cover is made also to have well on the premise of preferable intensity is reached using PMMA film and the compound of PC films
Toughness, make the hardness of battery cover higher, 6H can be reached；
It is heated to feel like jelly using composite plate when the 2nd, being molded and is molded again by the way of negative pressure is inhaled and high pressure is blown with curved
The semi-finished product of bent 3D cell phone rear covers, this molding mode can improve the surface-brightening effect of cell phone rear cover, can't be to matrix band
The surface of material causes to damage, and shaping finished product rate is high, and the side arc of cell phone rear cover has refraction effect to further function as after shaping
Cell phone rear cover surface highlights effect；
3rd, the stiffened processing on the surface of cell phone rear cover makes hardening liquid energy equably rest on using showering mode after shaping
On the surface of shaping mobile phone bonnet, the surface of cell phone rear cover is played and further highlights effect.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section of the present invention；
Fig. 2 is the structural representation of the former of the present invention；
Fig. 3 is the structural representation of another angle of former of the present invention.
Embodiment
In order to which technical scheme is explained further, the present invention is explained in detail below by specific embodiment
State.
A kind of manufacture craft of 3D battery covers of the present invention, is achieved by the steps of：
First, sheet material is compound, as shown in figure 1, PMMA film 100 and PC films 200 are combined with each other to form composite plate, and
The thickness of thin of the thickness ratio PC films 200 of PMMA film 100, PMMA film 100 are in the top of PC films 200, and both are completely superposed；
2nd, print, LOGO pattern printed layers 300 are printed with the bottom surface of PC films 200, afterwards by UV glue in LOGO
UV transfer texture maps pattern layer 400 is transferred in pattern printed layers 300, i.e., is printed using UV glue and UV typographies in LOGO patterns
Printed patterns texture on brush layer 300, such as grating texture, then electroplate one layer of optical film in UV transfer texture maps pattern layer 400
500, i.e., optical film is electroplated in UV transfer texture maps pattern layer 400 by the way of plating, finally printed on optical film 500
One layer of background color ink layer 600, i.e., carrying out printing using common color ink makes the color of composite plate form to be formed in colour
Material；LOGO pattern printings, UV printings, electroplating technology and background color printing in the step 2 use known technology；
3rd, high-pressure molding, the sheet material to be formed of step 3 is first placed on high-pressure molding on former, as shown in Fig. 2
This former includes lower template 1, holding pad 2, heating plate 3 and the cope plate 4 from top to bottom set gradually, the top of lower template 1
Face is recessed shaping chamber 11, is molded the negative inspiratory pressure hole 111 for offering on the bottom of chamber of chamber 11 and being flowed into for extraneous negative-pressure gas,
The forming panel (being not drawn into figure) to be matched with cell phone rear cover shape is placed with shaping chamber 11, this forming panel is in a piece of
Shape structure, is convexly equipped with that identical with cell phone rear cover size, the shaping of shape identical is raised at the upper surface centre of forming panel,
There is air inlet gap between the internal chamber wall of this forming panel and shaping cavity, correspond on holding pad 2 at shaping cavity 11 and align
The through hole 21 to be matched with shaping chamber 11 is offered, the position that cope plate 4 corresponds to shaping chamber 11 offers blowout height
Calm the anger the high pressure blow-gas hole 41 of body；
During shaping, sheet material to be formed is first lain against on the upper surface of lower template 1, and outside shaping chamber 11, that is, is used for
Positioned at the surface of shaping chamber 11, afterwards, lower template 1 moves up, mutually overlapping with holding pad 2 at the position that sheet material to be formed is used to be molded
Close, lower template 1 is resynchronized to moving up with holding pad 2, and holding pad 2 rises to the lower section of heating plate 3, is stacked with heating plate about 3
Close, heating plate 3 is started, treats formed sheet and toasted using infrared heating mode, and baking temperature is 360~380 DEG C, is dried
The roasting time is 35~40s, flows out negative pressure to negative inspiratory pressure hole 111 when sheet material to be formed toasts 18~20s in baking process
Gas, shaping chamber 11 produce negative pressure space, and negative pressure pressure gradually rises, and constant pressure is toasted after negative pressure pressure reaches 38~49Pa,
Until baking time reaches 35~40s, heating plate 3 is removed to outside cope plate 4 after the completion of baking, and negative inspiratory pressure hole 111 keeps blowing
Go out the negative-pressure gas (i.e. the pressure of negative-pressure gas is 38~49Pa) of above-mentioned pressure, lower template 1 is synchronous with holding pad 2 move up again with
Cope plate 4 together overlaps, and the high pressure blow-gas hole 41 of cope plate 4 blows out gases at high pressure afterwards, and the output of gases at high pressure is in different pressures
The multisection type High voltage output of power output, position of the final sheet material to be formed at shaping chamber be drawn into die cavity the room in and into
The shaping projection of pattern plate is affixed cooperation, forms molding semi product, and last lower template together moves down with holding pad 2, jointly with it is upper
Template 4 is separated, and lower template 1 moves down again to be separated with holding pad 2, lower template 1 translate again with the dislocation of holding pad 2 can will shaping half into
Product take out from lower template 1；
4th, showering is handled, and the molding semi product that step 3 is taken out, which is erect, to be placed, and with pressure gun UV hardening bath showerings
At the top on molding semi product surface, UV hardening baths are flowed downwardly to molding semi product surface by self gravitation effect, to be formed
After the surface of semi-finished product is covered with UV hardening baths, UV baking ovens progress UV is delivered to afterwards and dries the surface to form its PMMA film 1 with one
The surface treatment of layer UV hardening liquid layers 700；
5th, by the surface treatment of step 4 using CNC cutting machines carry out reverse side place cutting, formed 3D battery covers into
Product, this cutting technique use prior art.
A kind of manufacture craft of 3D battery covers of the present invention, has the advantages that：
First, battery cover is made also to have on the premise of preferable intensity is reached using the compound of PMMA film 100 and PC films 200
Good toughness, make the hardness of battery cover higher, 6H can be reached；
It is heated to feel like jelly using composite plate when the 2nd, being molded and is molded again by the way of negative pressure is inhaled and high pressure is blown with curved
The semi-finished product of bent 3D cell phone rear covers, this molding mode can improve the surface-brightening effect of cell phone rear cover, can't be to matrix band
The surface of material causes to damage, and shaping finished product rate is high, and the side arc of cell phone rear cover has refraction effect to further function as after shaping
Cell phone rear cover surface highlights effect；
3rd, the stiffened processing on the surface of cell phone rear cover makes hardening liquid energy equably rest on using showering mode after shaping
On the surface of shaping mobile phone bonnet, the surface of cell phone rear cover is played and further highlights effect, makes the cell phone rear cover of shaping have
Highlight effect.
The 3D cell phone rear covers being molded using above-mentioned technique are carried out performance test and obtain following data：
It was found from from above-mentioned table, the highlight effect for the 3D cell phone rear covers that this technological forming comes out can reach glass effects,
The progress of making a breakthrough property in the industry.
In the moulding process of the present invention, the thickness that UV hardens liquid layer 700 in step 4 is 2um.
In the moulding process of the present invention, PMMA film and the thickness ratio most preferably 1 of above-mentioned PC films：9, the restriction of this ratio is
Applicant obtains by research and development for many years, and this ratio is hard required by and can on the premise of cost is low reaches cell phone rear cover
Degree, still reaches the toughness required by cell phone rear cover.
The moulding process of the present invention, obtained through inventor's experiment for many years and research, this gases at high pressure in forming process
Output preferably use three-stage High voltage output, it is defeated that this three-stage High voltage output is divided into first paragraph High voltage output, second segment high pressure
Go out with the 3rd section of High voltage output, wherein, the pressure of the gases at high pressure of first paragraph High voltage output is 10~20Mpa, and output time is
0.5~1s；Carry out the output of second segment gases at high pressure immediately, the pressure of the gases at high pressure of second segment High voltage output for 30~
50Mpa, output time are 0.5~1s；The output of the 3rd section of gases at high pressure, the gases at high pressure of the 3rd section of High voltage output are carried out immediately
Pressure be 80~100Mpa, output time is 10~15s；Output using the gases at high pressure of above-mentioned multisection type makes formed sheet
In shaping, surface is not damaged, and further improves yield rate.
The moulding process of the present invention, in step 2, UV glue preferably using highlighted type UV glue, can so enter one
Step improves the surface-brightening effect of battery cover.
A kind of former of 3D battery covers of the present invention, as shown in Figure 2,3, including frame, frame be provided with by lower and
On the above-mentioned lower template 1, above-mentioned holding pad 2, above-mentioned heating plate 3 and the above-mentioned cope plate 4 that set gradually, wherein, under
The activity in a manner of sliding back and forth and move up and down of template 1 is positioned in frame, and is provided with frame above and below control lower template
The lower translation driving device that the lower lifting drive and lower template of lifting move forward and backward, the structure of lower template 1 and above-mentioned shaping
The structure of lower template described in technique is identical, i.e. the upper surface of lower template 1 is recessed shaping cavity 11, shaping cavity 11
Bottom of chamber offers the negative pressure inlet hole 111 flowed into for extraneous negative-pressure gas, and the activity in cavity 11 that is molded is placed with and cell phone rear cover
The forming panel that matches of shape, the structure of this forming panel and the structure phase of the forming panel described in above-mentioned moulding process
Together, it is not repeated herein, the periphery of forming panel has air inlet gap along with being molded between the madial wall of cavity 11, is entered using this
After gas gap makes forming panel be positioned in shaping cavity 11, negative pressure inlet hole 111 flows into the negative pressure gas being molded in cavity 11
Physical efficiency is flow on forming panel, negative-pressure gas is carried out negative pressure, above-mentioned holding pad more than 2 to composite plate to be formed
The mode of lower lifting is arranged in frame, and the upper lifting drive that control holding pad 2 lifts, and this binder are provided with frame
The structure of plate 2 is identical with the structure of the holding pad described in above-mentioned moulding process, i.e., holding pad 2 corresponds to shaping cavity 11
Position offers matched with shaping cavity 11 described and run through through hole, this through through hole be described in through hole 21, add
Hot plate 3 is arranged in frame in a manner of movable, and the upper driven in translation of the driving anterior-posterior translation of heating plate 3 is provided with frame
Device, cope plate 4 are fixedly mounted in frame, the structure of this cope plate 4 and the cope plate 4 described in above-mentioned moulding process
Structure is identical, i.e., the bottom surface of cope plate 4 offers what is be blown into for extraneous gases at high pressure corresponding to the position of shaping cavity 11
High pressure blow-gas hole 41.
Preferred scheme is：Described lower template 1, holding pad 2, heating plate 3 and cope plate 4 is square block, lower template 1
On offer four shaping cavitys 11, four shaping cavitys 11 be in the row spread configuration of two row two, be correspondingly provided with four through through hole,
Four shaping cavitys and four are through through hole positive contraposition setting up and down one by one；The settings of four shaping cavitys 11 make former once can be into
Type goes out four pieces of cell phone rear covers, and operating efficiency is high.
Wherein, frame has heel post 51, lower hollow square framework 52, upper hollow square framework 53 and top frame 54, machine
The arranged on left and right sides of frame has erect two heel posts 51, and two heel posts of the same side are in lower hollow square framework 52 in tandem
And upper hollow square framework 53 is between the heel post 51 in left side and the heel post 51 on right side, and the heel post with both sides
It is fixedly connected, this lower hollow square framework 52 is surrounded by four tranverse connecting rods, and upper hollow square framework 53 is in lower hollow square frame
The top of frame 52, the framework that the front end that lower hollow square framework 53 is surrounded by left connecting rod, right connecting rod and back link is opened wide, top frame
54 are fixedly connected in two heel post top surfaces with the heel post of both sides, and edge is provided with the hollow scope of lower hollow square framework 52
The travelling carriage 55 of the lower fore-and-aft direction of hollow square framework 52, i.e. the both sides of travelling carriage 55 be arranged with for lower hollow square framework it is left,
The tranverse connecting rod of right both sides snaps into interior slide rail, can realize being slidably installed for travelling carriage 55 using this slide rail, the lower template 1 is kept flat
In on the top surface of travelling carriage 55, be provided with the bottom surface of travelling carriage 55 erect set lower lift cylinder 6, lower lift cylinder 6
Cylinder body is fixed on the bottom surface of travelling carriage 55, and the piston rod free end end activity of lower lift cylinder 6 passes through travelling carriage 55 under
The lower section of template 1, it is fixedly connected with the bottom surface of lower template 1, this lower lift cylinder 6 is described lower lifting drive, under
When lift cylinder 6 stretches out, lower template 1 can be realized and moved up, otherwise realized and moved down；Pacify on lower hollow square framework 52
Equipped with the lower flat-removing air cyclinder 7 set along the accumbency of frame fore-and-aft direction, the cylinder body of lower flat-removing air cyclinder 7 is fixed on lower hollow square framework
Outside 52 trailing flank, the piston rod free end end of lower flat-removing air cyclinder 7 is stretched into forward in lower hollow square framework 52, and with slip
The trailing flank of frame 55 is fixedly connected, and lower flat-removing air cyclinder 7 is described lower translation driving device, and the stretching of lower flat-removing air cyclinder 7 can push away
Translated forward to travelling carriage 55, the reach of travelling carriage 55 can make lower template 1 together move forward, conversely, travelling carriage and lower template are together
After move.
Described frame also has the guide upright post 56 outside the left and right sides of holding pad 2, the arranged on left and right sides of holding pad 2
Convex is provided with the guiding mounting blocks 22 being sheathed on outside guide upright post 56 respectively, that is, is oriented to offer on mounting blocks 22 and is stood for being oriented to
The tight fit of post 56 enables holding pad 2 to make to rise up and down along guide upright post 56 through the installation perforation of installation using this installation perforation
Guiding movement drops, the motor (being not drawn into figure) that lifting drive includes screw mandrel 8 on this and drive screw 8 rotates, silk
Bar 8 is rotated to erect and is arranged in frame, and screw mandrel 8 passes through the guiding mounting blocks 22 on the right side of holding pad 2, and with being oriented to mounting blocks 22
It is screwed together, that is, is oriented on mounting blocks 22 and offers screw mandrel 8 through the mounting hole installed, the hole wall of this mounting hole is provided with and silk
The internal thread that the external screw thread of bar 8 is screwed, motor are fixed in frame, and the end of motor and screw mandrel 8 directly drives
Connection, it can be also connected by the end of transmission mechanism and screw mandrel 8.When motor starts, motor drives 8 turns of screw mandrel
Dynamic, the rotation of screw mandrel 8 can be such that guiding mounting blocks 22 are moved up and down along screw mandrel 8, so that holding pad 2 makees oscilaltion movement.
Described heating plate 3 is infrared hot plate, and heating plate 3 is arranged on upper hollow square framework in a manner of sliding back and forth
In 53 hollow chamber, i.e., it is convexly equipped with what is extended along the longitudinal direction respectively on left and right two madial wall of upper hollow square framework 53
Directive slide track, the guide runner being engaged with this directive slide track is convexly equipped with the bottom surface of heating plate 3, utilize directive slide track with being oriented to
The cooperation of sliding block can be achieved heating plate 3 and be slidably installed, be provided with upper hollow square framework 53 it is in the rear of heating plate 3,
And the upper flat-removing air cyclinder 9 set along the accumbency of frame fore-and-aft direction, the cylinder body of upper flat-removing air cyclinder 9 are fixed on hollow square framework 53
Trailing flank outside, the piston rod free end end of upper flat-removing air cyclinder 9 is stretched into the hollow chamber of hollow square framework 53, and with
The trailing flank secure fit of heating plate 3, flat-removing air cyclinder 9 is described upper translation driving device on this；Upper flat-removing air cyclinder 9 stretches
Heating plate 3 is promoted to slide back and forth.
A kind of former of 3D battery covers of the present invention, its operation principle are：Lower flat-removing air cyclinder 7 forward extends out, lower mould
Plate 1 moves forward and the sequence of holding pad 2, is moved at the front side of lower hollow square framework, and now the top of lower template 1 is without any
Position, facilitate the placement of composite plate, then the upper surface that lower template 1 is lain against for the composite plate that cell phone rear cover is molded, and
In the surface of shaping cavity 11, the edge of composite plate is in outside shaping cavity 11, and after placement, lower flat-removing air cyclinder 7 shrinks, under
Template 1 and holding pad positive contraposition about 2, motor startup, holding pad 2 moves down to be overlapped with lower template 1, and composite plate is positioned at shaping
Position beyond cavity is compressed by holding pad 2, and motor and lower lift cylinder 6 together start afterwards, and upper flat-removing air cyclinder 9 opens
Dynamic, holding pad 2 and lower template 1 together move up, and heating plate 3 is to reach, just with the holding pad of upper movement about 2 during positive contraposition,
Heating plate 3 stops movement, and holding pad 2 and lower template 1 are moved up and be closely superimposed together jointly with heating plate 3, and heating plate 3 starts,
Heating plate 3 is generated heat to be heated to the composite plate in lower template 1, and composite plate is by soft, and external world's negative-pressure gas enters through negative pressure during heating
Stomata 111 is flowed into shaping cavity 11, and heating plate 3 is moved rearwards after being heated to certain time, and lower template 1 continues with holding pad 2
Together moving up and be closely superimposed together jointly with cope plate 4, extraneous gases at high pressure are blown into gases at high pressure through high pressure blow-gas hole 41, this
Shi Shoure composite plate is deformed into by the suction of the negative-pressure gas of lower section and the pressure of top gases at high pressure in shaping cavity 11
Forming panel on, be bonded with forming panel kissing, after shaping, holding pad 2 and lower template 1 move down, and divide mould with cope plate 4, it
Lower template 1 is relatively moved with holding pad 2 afterwards, and lower template 1 is separated with holding pad 2, and lower template 1 is moved further along, wrong with holding pad 2
Position, now worker can take out the composite plate being molded in lower template 1, finally post-processed and cell phone rear cover can be achieved.
A kind of former of 3D battery covers of the present invention, has the advantages that：
When the first, making compound sheet metal forming using holding pad will not positioning, molding effect is good and stably；
2nd, soft bottom negative-pressure sucking is become using the thrust of holding pad, heating and top is high
The cooperation of pressure blowing force makes composite plate deformation shaping, to composite plate without any directly active force
Pressure, will not cause to damage, Forming Quality is good, high yield rate to the surface of composite plate；
3rd, the restriction of the movement relation of lower template, holding pad, heating plate and cope plate grasps the material that takes, puts of former
Make simply, conveniently；
4th, have overall structure it is simple, compact in design, it is easy to operate the advantages of.
The former of the present invention, the upper surface of lower template 1 are fixed corresponding to being installed with four at each shaping cavity 11
Position post 112, each four locating dowels 112 being molded at cavity 11 are corresponding outside the corner of shaping cavity 11；Pass through each locating dowel
112 make accordingly be equipped with positioning hole at the corner of composite plate, and so, the cooperation using positioning hole and locating dowel makes putting for composite plate
Put and more preferably consolidate, be not easy to be influenceed by gases at high pressure and negative-pressure gas and shift.
The former of the present invention, positioning guide column 12, holding pad 2 have been erect respectively at the upper surface corner of lower template 1
The guiding perforation 23 passed through for positioning guide column 12 is offered corresponding to one-to-one corresponding at each positioning guide column 12, so using fixed
The cooperation of position lead 12 and guiding perforation 23 makes lower template 1 and the overlapping of holding pad 2 play guide-localization effect.
Above-described embodiment and accompanying drawing and non-limiting product form of the invention and style, any art it is common
The appropriate change or modification that technical staff is done to it, it all should be regarded as not departing from the patent category of the present invention.
Claims (10)
1. a kind of manufacture craft of 3D battery covers, it is characterised in that be achieved by the steps of：
First, sheet material is compound, and PMMA film formed into composite plate together with PC Film laminateds, and the thickness ratio PC films of PMMA film
Thickness of thin；
2nd, print, using PC films backwards to PMMA film one side as bottom surface, be printed with LOGO pattern printings in the bottom surface of PC films
Layer, transfer UV transfer texture maps pattern layer in LOGO pattern printed layers by UV glue afterwards, then transfer texture maps in UV
One layer of optical film is electroplated in pattern layer, one layer of background color ink layer is finally printed on optical film, forms sheet material to be formed；
3rd, high-pressure molding, the sheet material to be formed of step 3 is first placed on high-pressure molding on former, this former includes
Lower template, holding pad, heating plate and the cope plate from top to bottom set gradually, the top surface of lower template is recessed shaping chamber, into
The negative inspiratory pressure hole flowed into for extraneous negative-pressure gas is offered on the bottom of chamber of die cavity room, is placed with forming cavity room and cell phone rear cover
The forming panel that shape matches, this forming panel and is molded between the internal chamber wall of cavity and has an air inlet gap, right on holding pad
Contraposition the through hole to be matched with shaping chamber should be offered at shaping cavity, the position that cope plate corresponds to shaping chamber is opened
Provided with the high pressure blow-gas hole flowed into for extraneous gases at high pressure；
During shaping, sheet material to be formed is first lain against in lower template, and is molded chamber and is fallen into sheet range to be formed, afterwards, pressure
Flitch and lower template move up, and holding pad is superimposed up and down with lower template, and heating plate is superimposed up and down with holding pad, and heating plate opens
It is dynamic, to treat formed sheet and carry out infrared heating mode baking, baking temperature is 360~380 DEG C, and baking time is 35~40s,
And negative inspiratory pressure hole outflow negative-pressure gas, the negative pressure pressure of negative-pressure gas gradually rise when sheet material to be formed toasts 18~20s,
Constant pressure is toasted after the negative pressure pressure of negative-pressure gas reaches 38~49Pa, and after baking, heating plate is removed to outside cope plate, negative pressure
Suction hole keeps blowout negative-pressure gas, and cope plate is synchronously moved up with holding pad and together overlapped with cope plate, afterwards the height of cope plate
Gas hole blowout gases at high pressure are pressed, the High voltage output of gases at high pressure is in the multisection type High voltage output of different pressures value output, finally
Position of the sheet material to be formed at shaping chamber is drawn into die cavity the room in is affixed cooperations with forming panel, formed be molded partly into
Product, and demoulding comes out from former by molding semi product；
4th, showering is handled, by the molding semi product pressure gun of step 3 the showering of UV hardening baths on molding semi product surface
At top, UV hardening baths flow down, until molding semi product surface is covered with UV hardening baths, drying afterwards forms surface treatment；
5th, the surface treatment of step 4 is subjected to reverse side using CNC cutting machines and places cutting, form 3D battery cover finished products.
A kind of 2. manufacture craft of 3D battery covers as claimed in claim 1, it is characterised in that：In above-mentioned steps four shaping production into
The thickness of the UV hardening baths on product surface is 2um.
A kind of 3. manufacture craft of 3D battery covers as claimed in claim 1, it is characterised in that：Above-mentioned PMMA film and above-mentioned PC are thin
The thickness ratio of film is 1：9.
A kind of 4. manufacture craft of 3D battery covers as claimed in claim 2, it is characterised in that：Above-mentioned multisection type High voltage output is
Three-stage High voltage output, this three-stage High voltage output are divided into first paragraph High voltage output, second segment High voltage output and the 3rd section of high pressure
Output, wherein, the high-pressure gas pressure of first paragraph High voltage output is 10~20Mpa, and output time is 0.5~1s；Second segment is high
The high-pressure gas pressure of pressure output is 30~50Mpa, and output time is 0.5~1s；The gases at high pressure pressure of 3rd section of High voltage output
Power is 80~100Mpa, and output time is 10~15s.
A kind of 5. former of 3D battery covers, it is characterised in that：Including frame, above-mentioned frame is provided with and from bottom to top set successively
Lower template, holding pad, heating plate and the cope plate put, the activity in a manner of sliding back and forth and move up and down of above-mentioned lower template are installed
Be provided with frame, and in frame control lower template oscilaltion lower lifting drive and lower template it is movable under
Translation driving device, the upper surface of above-mentioned lower template is recessed shaping cavity, and the bottom of chamber of above-mentioned shaping cavity is offered for extraneous
The negative pressure inlet hole that negative-pressure gas enters, in above-mentioned shaping cavity activity be placed with the shaping to be matched with the shape of cell phone rear cover
Template, the periphery of above-mentioned forming panel along having air inlet gap between the madial wall of above-mentioned shaping cavity, above-mentioned holding pad with
The mode of oscilaltion is arranged in above-mentioned frame, and the upper lifting driving dress of control holding pad lifting is provided with above-mentioned frame
Put, and above-mentioned holding pad offers corresponding to the position of above-mentioned shaping cavity and runs through through hole with what shaping cavity matched, on
State heating plate to be arranged in above-mentioned frame in a manner of movable, driving heating plate anterior-posterior translation is installed in above-mentioned frame
Upper translation driving device, above-mentioned cope plate are fixedly mounted in above-mentioned frame, and the bottom surface of above-mentioned cope plate is corresponding to above-mentioned
The position of shaping cavity offers the high pressure blow-gas hole being blown into for extraneous gases at high pressure.
A kind of 6. former of 3D battery covers as claimed in claim 5, it is characterised in that：Above-mentioned lower template, holding pad, add
Hot plate and cope plate are square block, four above-mentioned shaping cavitys are offered in above-mentioned lower template, four shaping cavitys are in two rows
Two row spread configurations, above-mentioned to be correspondingly provided with four through through hole, four shaping cavitys and four are through through hole positive contraposition up and down one by one
Set.
A kind of 7. former of 3D battery covers as claimed in claim 6, it is characterised in that：The upper surface of above-mentioned template is corresponding
Four locating dowels are installed with each shaping cavity, corresponding be in of each four locating dowels being molded at cavity is molded cavity
Outside corner.
A kind of 8. former of 3D battery covers as claimed in claim 5, it is characterised in that：Above-mentioned heating plate is infrared heating
Plate.
A kind of 9. former of 3D battery covers as claimed in claim 5, it is characterised in that：Above-mentioned frame have positioned at it is left,
The heel post of right both sides, lower hollow square framework that is between the heel post of both sides and being fixed with heel post, in both sides side
Upper hollow square framework between column and above hollow square framework, and in both sides heel post top surface and heel post
The top frame being fixedly connected；It is provided with the hollow scope of above-mentioned lower hollow square framework along lower hollow square framework fore-and-aft direction
Travelling carriage, above-mentioned lower template is positioned over the top of above-mentioned travelling carriage, is provided with the bottom surface of above-mentioned travelling carriage and erects what is set
Lower lift cylinder, the piston rod free end end activity of above-mentioned lower lift cylinder are fixed through above-mentioned travelling carriage with above-mentioned lower template
Connection, above-mentioned lower lift cylinder is described lower lifting drive, is provided with above-mentioned lower hollow square framework along before frame
The lower flat-removing air cyclinder that rear is set to accumbency, above-mentioned lower flat-removing air cyclinder are in the rear of above-mentioned travelling carriage, and above-mentioned lower translation gas
The piston rod free end end of cylinder is fixedly connected with the trailing flank of above-mentioned travelling carriage, and above-mentioned lower flat-removing air cyclinder is described lower translation
Drive device；Above-mentioned frame also has the guide upright post outside at left and right sides of holding pad, the arranged on left and right sides point of above-mentioned holding pad
The guiding mounting blocks being sheathed on outside guide upright post are not convexly equipped with, and above-mentioned upper lifting drive includes screw mandrel and drive screw rotates
Motor, above-mentioned screw mandrel, which is erect, to be set simultaneously through the guiding mounting blocks on the left of holding pad or right side, and be oriented to mounting blocks with
Screw mandrel is screwed together；Above-mentioned heating plate is arranged in the hollow chamber of above-mentioned upper hollow square framework in a manner of sliding back and forth,
It is provided with above-mentioned heating plate rear on above-mentioned upper hollow square framework and is set along the accumbency of frame fore-and-aft direction upper flat
Cylinder, the piston rod free end end of above-mentioned upper flat-removing air cyclinder and the trailing flank secure fit of above-mentioned heating plate are moved, it is above-mentioned flat
Shifting cylinder is described upper translation driving device.
A kind of 10. former of 3D battery covers as claimed in claim 5, it is characterised in that：The upper surface of above-mentioned lower template
Positioning guide column is erect at corner respectively, above-mentioned holding pad, which corresponds to correspond at each positioning guide column, to be offered for positioning
The guiding perforation that lead passes through.
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| CN201711160914.4A CN107819089B (en) | 2017-11-20 | 2017-11-20 | Manufacturing process and forming equipment of 3D battery cover |
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|---|---|---|---|
| CN201711160914.4A CN107819089B (en) | 2017-11-20 | 2017-11-20 | Manufacturing process and forming equipment of 3D battery cover |
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| CN107819089B CN107819089B (en) | 2023-06-09 |
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| CN109177385A (en) * | 2018-08-27 | 2019-01-11 | 浙江兆奕科技有限公司 | A kind of 2.5D plate and its processing technology |
| CN109413234A (en) * | 2018-10-31 | 2019-03-01 | 福建省石狮市通达电器有限公司 | A kind of spraying gradual change composite plate mobile phone dorsal shield |
| CN109454858A (en) * | 2018-11-27 | 2019-03-12 | 江苏理士电池有限公司 | A kind of battery cover shaping through-hole device |
| CN110493987A (en) * | 2019-08-12 | 2019-11-22 | Oppo广东移动通信有限公司 | Housing unit, the method and electronic equipment for preparing housing unit |
| CN110614862A (en) * | 2019-09-19 | 2019-12-27 | 深圳市裕同包装科技股份有限公司 | Method for applying special ink to battery rear cover |
| CN111816810A (en) * | 2020-07-17 | 2020-10-23 | 东莞市中泰精密科技有限公司 | Flash sand process for composite plate of mobile phone battery cover |
| CN112549399A (en) * | 2020-12-04 | 2021-03-26 | 深圳市中联讯科技有限公司 | High-pressure forming process for battery cover |
| CN113022181A (en) * | 2021-02-01 | 2021-06-25 | 惠州威博精密科技有限公司 | 3D composite board printing process |
| CN115206808A (en) * | 2022-06-09 | 2022-10-18 | 江苏长电科技股份有限公司 | Tin plating method, semiconductor device packaging process and semiconductor device |
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| CN109413234A (en) * | 2018-10-31 | 2019-03-01 | 福建省石狮市通达电器有限公司 | A kind of spraying gradual change composite plate mobile phone dorsal shield |
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| CN109454858B (en) * | 2018-11-27 | 2024-04-19 | 江苏理士电池有限公司 | Battery cover shaping through hole device |
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| CN113022181A (en) * | 2021-02-01 | 2021-06-25 | 惠州威博精密科技有限公司 | 3D composite board printing process |
| CN115206808A (en) * | 2022-06-09 | 2022-10-18 | 江苏长电科技股份有限公司 | Tin plating method, semiconductor device packaging process and semiconductor device |
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