CN105291345B - Casing manufacture method and casing - Google Patents
Casing manufacture method and casing Download PDFInfo
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- CN105291345B CN105291345B CN201410315505.7A CN201410315505A CN105291345B CN 105291345 B CN105291345 B CN 105291345B CN 201410315505 A CN201410315505 A CN 201410315505A CN 105291345 B CN105291345 B CN 105291345B
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- filling member
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- casing
- side wall
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Abstract
The invention discloses a kind of casing manufacture method and casing.Casing manufacture method is included：Metalwork is provided, it includes base plate and side wall, and base plate has inner surface connecting side wall；Filling member is provided, it has joint face and the first top surface；On fixed filling member to metalwork so that joint face connects inner surface and the first top surface and forms first and second angle respectively, first and second angle more than 90 degree, less than 180 degree；Film is provided and is attached with ink layer, then perform in-mold transfer printing processing procedure so that plastics are formed on side wall and filling member, and ink layer is attached to plastics, the upper appearance with ink layer is formed with the surface of plastics；And remove at least part of filling member and at least part of plastics and form machined surface, machined surface connects inner surface and upper appearance and forms first and second machining angle respectively, and first and second machining angle is more than or equal to 90 degree.
Description
Technical field
The invention relates to a kind of casing manufacture method and casing.
Background technology
Plastic cement has lightweight, easy to manufacture and characteristic with low cost, be widely used in ejection formation or
In the processing procedure of thermoplastic shaping.Processing procedure is mainly and first pours within mould the plastic cement of melting, by the change of pressure and temperature, into
Hull shape of the type for needed for.
In the past, in order that plastic surface appearance is presented special pattern or color, spraying operation is typically with, but this makees
Industry is in addition to the machine, the factory building that need, in addition it is also necessary to the japanning drying such as cost time and it is necessary to first in injection molding machine, then
Sprayed, the time of cost is higher with human cost.Therefore, in-mold transfer printing (In-Mold-Roller, IMR) system is developed
Journey, it is that printing-ink is pasted into plastic surface in the way of thermal transfer, for the product that requirement is produced.Refer to Fig. 5 A extremely
Fig. 5 D, it is the schematic diagram for illustrating known in-mold transfer printing processing procedure.The mould that in-mold transfer printing processing procedure need to be used mainly comprising master mold 50,
Male model 52 and stripping template 54.In-mold transfer printing processing procedure is via entering paper tinsel machine and pressing plate is positioned at injection mould with the film 4 of continous way
Chamber (as shown in Figure 5A), makes film 4 be adsorbed in the die face of master mold 50 (as shown in Figure 5 B), then at master mold 50 with vacuum plant
(as shown in Figure 5 C) is projected with after the matched moulds of male model 52, now plastics can be projected to public affairs via stripping template 54 and male model 52
Die cavity between mould 52 and master mold 50, the plastics in last die cavity can be shaped to the type of plastic cement finished product 6, and ink 7 can be needed on modeling
The surface of glue finished product 6.When master mold 50 is molded with male model 52, ink 7 can be separated with film 4, that is, complete the incrustation of plastic cement 6 (such as
Shown in Fig. 5 D), and after male model 52 is separated with stripping template 54, waste material 8 can also be removed.
However, at present the shortcoming of in-mold transfer printing processing procedure be film in injection molding, by shape of product, mold design
With the influence of injection molding conditional parameter, the situation of rupture and gauffer is easily produced, and cause product appearance bad so that in mould
Printing process be often merely able to apply appearance is flat or the less product of curvature on.Therefore, it is how uneven in appearance
Or in-mold transfer printing processing procedure is performed on the larger product of curvature, it is that current industry desires most ardently one of problem that input development resources are solved.
The content of the invention
The present invention provides a kind of casing manufacture method, and it is included：(a) provide metalwork, wherein metalwork comprising base plate with
And at least side wall, base plate has an inner surface, and wall connection inner surface in side is simultaneously arranged at the edge of inner surface；B () provides filling member,
Wherein filling member has joint face and the first top surface；On (c) fixed filling member to metalwork so that joint face connects inner surface
Form the first angle, joint face first top surface that connects forms the second angle, wherein the first angle with the second angle more than 90 degree, it is small
In 180 degree；D () provides film, wherein ink layer is attached on film, then performs in-mold transfer printing processing procedure so that plastics are formed
On side wall and filling member, and film with it is plastic embossed and ink layer is attached to plastics, formed with the surface in partly plastic
Upper appearance with ink layer；And casing of (e) processing with ink layer, remove at least part of filling member with it is at least part of
Plastics and form machined surface, the wherein machined surface inner surface that connects forms the first machining angle, and machined surface mutually connects appearance shape
Into the second machining angle, wherein the first machining angle and the second machining angle are more than or equal to 90 degree.
The present invention separately provides a kind of casing, and it is applied to electronic installation.Casing includes framework and decorative layer.Framework is included
Bottom surface, machined surface and upper appearance.Machined surface is connected to bottom surface and forms the first machining angle in intersection.Upper appearance connects
It is connected to machined surface and forms the second machining angle in intersection.Framework also includes metalwork, filling member and plastics.Metalwork bag
Containing base plate and at least side wall.Base plate has inner surface.Side wall connects inner surface, and is arranged at the edge of inner surface, filling
Part is fixed on metalwork.Filling member is arranged at side wall near the side of inner surface.Plastics are formed on metalwork.Decorative layer sets
It is placed in appearance.
In sum, casing manufacture method of the invention is that first filling member is fixed on metalwork so that on metalwork
The uneven or excessive appearance of curvature disappears because of drawing close for filling member, and both intersections form gentle outer after combination
Sight face.Whereby, during metalwork performs in-mold transfer printing processing procedure together with filling member, the film used during transfer just can
On the metalwork and filling member being smoothly attached to after combination, the phenomenon without producing fold or rupture.After the completion of injection, gold
Category part can be combined with filling member with the plastics for projecting, and be attached with the ink layer of transfer.Finally, then be processed with remove at least
It is partially filled with part and partly plastic, you can realize using in-mold transfer printing processing procedure to manufacture with the uneven or larger outward appearance of curvature
The casing in face.
Brief description of the drawings
The step of Fig. 1 is the casing manufacture method for illustrating an embodiment of the present invention flow chart；
Fig. 2A be the generalized section for illustrating the metalwork of an embodiment of the present invention and filling member, wherein filling member still
It is not fixed on metalwork；
Fig. 2 B are the generalized section of the next step for illustrating Fig. 2A, and wherein filling member is had been secured on metalwork；
Fig. 2 C are the generalized section of the next step for illustrating Fig. 2 B, and wherein plastics are formed at metalwork and fill out with ink layer
Fill on part；
Fig. 2 D are the generalized section of the next step for illustrating Fig. 2 C, and which part filling member is moved with partly plastic
Remove；
Fig. 2 E are the generalized section for illustrating Fig. 2 C in another implementation method, wherein the filling member above inner surface
It has been removed with partly plastic；
Fig. 2 F are the generalized section for illustrating Fig. 2 C in another implementation method, wherein the part above inner surface is filled out
Part is filled to be removed with partly plastic；
Fig. 3 A are to illustrate the stereogram corresponding to Fig. 2A；
Fig. 3 B are to illustrate the stereogram corresponding to Fig. 2 B；
Fig. 4 A are the preceding schematic diagram for illustrating metalwork and master mold matched moulds；
Fig. 4 B are to illustrate the schematic diagram after metalwork and master mold matched moulds；
Fig. 5 A to Fig. 5 D are the schematic diagram for illustrating known in-mold transfer printing processing procedure.
Specific embodiment
Refer to Fig. 1, Fig. 2A, Fig. 2 B, Fig. 2 C, Fig. 2 D, Fig. 3 A and Fig. 3 B.Fig. 1 is manufactured for the casing of present embodiment
The step of method flow chart.Fig. 2A is the metalwork 10 of present embodiment and the generalized section of filling member 12, wherein filling member
12 are not yet fixed on metalwork 10.Fig. 2 B are the generalized section of the next step of Fig. 2A, and wherein filling member 12 has been secured to
On metalwork 10.Fig. 2 C are the generalized section of the next step of Fig. 2 B, and wherein plastics 14 are formed at metalwork with ink layer 16
10 with filling member 12 on.Fig. 2 D are the generalized section of the next step of Fig. 2 C, which part filling member 12 and partly plastic 14
It has been removed.Fig. 3 A are the stereogram corresponding to Fig. 2A.Fig. 3 B are the stereogram corresponding to Fig. 2 B.Fig. 4 A are metalwork 10 and mother
The preceding schematic diagram of the 2-in-1 mould of mould.Fig. 4 B are the schematic diagram after metalwork 10 and the 2-in-1 mould of master mold.
As shown in Fig. 1 and Fig. 2A, step S100 first provides metalwork 10, wherein metalwork 10 comprising base plate 100 and
Side wall 102, base plate 100 has inner surface 100a, the connection inner surface 100a of side wall 102, and is arranged at the edge of inner surface 100a.
Because side wall 102 is substantially perpendicular to inner surface 100a, thus intersection between the two and unevenness, and curvature is excessive, please
Reference picture 4A and Fig. 4 B, if directly performing in-mold transfer printing processing procedure to metalwork 10, correspondence base plate 100 and side wall on master mold 2
Intersection between 102 is excessive because of curvature so that film 3 may produce rupture and gauffer when master mold 2 is adsorbed to during transfer
Situation.
As shown in Fig. 1 and Fig. 2 B, in present embodiment, step S102 provides filling member 12, and wherein filling member 12 has
Joint face 120a and the first top surface 120b, step S104 are fixed on filling member 12 to metalwork 10 so that joint face 120a phases
It is connected to inner surface 100a and forms the first angle theta 1, the joint face 120a first top surface 120b that connect forms the second angle theta 2, wherein the
One angle theta 1 and the second angle theta 2 are more than 90 degree, less than 180 degree.When filling member 12 is fixed on the inner surface 100a of base plate 100
Afterwards, joint face 120a is gently to connect inner surface 100a so that intersection curvature between the two is smaller.Additionally, side wall
102 have the second top surface 102a, after filling member 12 is fixed to the inner surface 100a of metalwork 10 on, the first top surface 120b and
Second top surface 102a is located at same level.
In other words, the excessive intersection of curvature between base plate 100 and side wall 102, can disappear because of filling member 12 so that
Metalwork 10 after combination forms gentle appearance with filling member 12.Whereby, if to the metalwork 10 and filling member after combination
12 perform in-mold transfer printing processing procedure, then the film 3 that the gentle appearance of correspondence and boundary place use on master mold 2 is being adsorbed to mother
The situation of rupture and gauffer can't be produced during mould 2.
In an implementation method, the first angle theta 1 between joint face 120a and inner surface 100a is (such as 90 ° of obtuse angle<θ
1<180°).And the second angle theta 2 between joint face 120a and the first top surface 120b is (such as 90 ° of obtuse angle<θ2<180°).But
The present invention is not limited thereto.It is preferred that the first angle theta 1 and the second angle theta 2 are greater than being equal to 120 degree, less than or equal to 150
Degree.More specifically, the also R angles (Radius with an arc-shaped of the intersection between joint face 120a and inner surface 100a
Corner) 120a1, and the intersection between joint face 120a and the first top surface 120b also has the R angles of another arc-shaped
120a2, the situation that rupture and gauffer are produced when film 3 attaches is reduced with this.Whereby, joint face 120a and inner surface 100a
(or first top surface 120b) can gently be connected with each other.
As shown in Fig. 3 A and Fig. 3 B, more specifically, in present embodiment, side wall 102 is annular in shape with filling member 12.Its
Middle filling member 12 is fixed on inner surface 100a so that side wall 102 is surrounded on side of the filling member 12 away from inner surface, wherein connecting
Junction 120a is located at filling member 12 near the side of inner surface.In an implementation method, coordinate reference picture 2A and Fig. 2 B, metalwork
10 have the first snap-in structure 100b.First snap-in structure 100b is arranged at base plate 100.Filling member 12 also has the second engaging knot
Structure 122.The mode that filling member 12 is fixed on metalwork 10 is set to be the second snap-in structure 122 to the first of engaging in step S104
Snap-in structure 100b.Specifically, the first snap-in structure 100b is the connecting hole being formed on base plate 100, and the second engaging knot
Structure 122 is snap fit, and the right present invention is not limited thereto.
As shown in Fig. 1 and Fig. 2 C to Fig. 2 D, in present embodiment, casing manufacture method is also comprising step S106 to step
Rapid S108, it is as follows.
Step S106：Film 3 is provided, wherein ink layer 16 is attached on film 3, then perform in-mold transfer printing processing procedure, made
Obtain plastics 14 to be formed on side wall 102 and filling member 12, plastics 14 is formed skew back face 140a and upper appearance 140b, and it is thin
The upper appearance 140b that film 3 is imprinted and make ink layer 16 be attached to plastics 14 with plastics 14, with the surface shape of partly plastic 14
Into the upper appearance 140b with ink layer 16.Ink layer 16 forms decorative layer, and it includes printing ink paint.In the mould of step S106
In interior printing process so that plastics 14 are formed at when on side wall 102 and filling member 12, ink layer 16 is also attached to plastics 14 simultaneously
On.Specifically, as shown in figs. 2 b and 2 c, when filling member 12 is fixed on inner surface 100a, filling member 12 and side wall 102
Between form clearance G, and plastics 14 also fill up clearance G.
Step S108：Processing is removed at least part of through the metalwork 10 after in-mold transfer printing processing procedure, filling member 12 and plastics 14
Filling member 12 and at least part of plastics 14 to form machined surface 200, wherein machined surface 200 connect inner surface 100a formed first plus
Work angle, θ 3, and machined surface 200 mutually connects the second machining angle θ 4 of intersection formation of appearance 140b.Specifically, as schemed
Shown in 2D, the casing 1 after processing includes metalwork 10, is partially filled with part 12 and partly plastic 14, and machined surface 200 substantially hangs down
Directly in inner surface 100a, and machined surface 200 is substantially perpendicular to upper appearance 140b.That is, machined surface 200 and inner surface
The first machining angle θ 3 and the second machining angle θ 4 between 100a are 90 degree.But the present invention is not limited thereto, the first processing
The machining angle θ 4 of angle, θ 3 and second is also greater than 90 degree.
Also, above-mentioned step S108 can be processed by the skew back face 140a of plastics 14 and be reached using CNC toolroom machines,
But the present invention is not limited thereto.The machined surface 200 that is formed afterwards is being machined, is being substantially perpendicular to inner surface 100a.
Filling member 12 and the three of plastics 14 composition external form wherein after metalwork 10, processing are in the framework of groove-like, and framework and decoration
Layer (i.e. ink layer 16) constitutes casing 1.Therefore, the casing manufacture method of present embodiment is capable of achieving application in-mold transfer printing system really
Journey is manufacturing the casing 1 with the larger appearance of curvature.
Refer to Fig. 2 E.Fig. 2 E are generalized sections of Fig. 2 C in another implementation method, wherein positioned at inner surface 100a
The filling member 12 of top has been removed with partly plastic 14.Specifically, the casing 1 ' after processing includes metalwork 10, part
Plastics 14 are sticked in the second snap-in structure 122 of the filling member 12 of metalwork 10 with residue, and which part plastics 14 are formed and added
Work face 200 ', and machined surface 200 ' is substantially perpendicular to inner surface 100a.Therefore, the casing manufacture method of present embodiment is same
Really application in-mold transfer printing processing procedure is capable of achieving to manufacture the casing 1 ' with the larger appearance of curvature.
Refer to Fig. 2 F.Fig. 2 F are generalized sections of Fig. 2 C in another implementation method, wherein positioned at inner surface 100a
The part 12 that is partially filled with of top has been removed with partly plastic 14.Specifically, the casing 1 after processing " is including metalwork 10, portion
Divide filling member 12 and partly plastic 14, and remaining filling member 12 forms machined surface 200 with plastics 14 ", and machined surface 200 " tool
Have a segment difference to form step structure, and machined surface 200 " substantially perpendicular to inner surface 100a.Wherein machined surface 200 "
Segment difference can be used as casing 1 " internal structure, in follow-up assembly program, (such as to be shown with the electronic component being disposed therein
Module, circuit board or battery etc.) it is engaged application.Therefore, the casing manufacture method of present embodiment is equally capable of achieving to answer really
With in-mold transfer printing processing procedure manufacturing the casing 1 with the larger appearance of curvature ".
In this little implementation method, machined surface 200,200 ', 200 " is positioned at partly plastic 14 and/or is partially filled with part 12
On, but the present invention is not limited thereto.In other embodiment, according to actual demand, can be located at simultaneously on filling member 12 or
It is located on plastics 14 simultaneously.
In practical application, can be according to actual demand (for example, side wall 102 must be reserved near the side of inner surface thickness)
And optionally produce the casing 1,1 ' or 1 as shown in Fig. 2 D, Fig. 2 E or Fig. 2 F ".In the present invention, casing 1,1 ' or 1 "
The housing of display module is set for mobile phone, but the present invention is not limited thereto.And the snap-in structure in above-mentioned figure turns in through mould
Printing Cheng Houyi combines closely in plastics 14 and metalwork 10, and plastics 14 can also be formed at the back side of metalwork 10 in actual processing procedure
(not shown), therefore the snap-in structure of filling member 12 can combine closely with plastics 14, the present invention is not limited thereto.
For the detailed description of specific embodiment of the invention more than, it is apparent that casing manufacturer of the invention
Method is that first filling member is fixed on metalwork so that uneven or curvature excessive appearance leaning on because of filling member on metalwork
Hold together and disappear, and both intersections form gentle appearance after combination.Whereby, mould is performed together with filling member in metalwork
During interior printing process, the film used during transfer just can be smoothly attached on the metalwork after combination and filling member,
Phenomenon without producing fold or rupture.After the completion of injection, metalwork can be combined with filling member with the plastics for projecting, and attached
The ink layer of transfer.Finally, then it is processed to remove at least part of filling member and partly plastic, you can mould is applied in realization
Interior printing process has the casing of uneven or the larger appearance of curvature to manufacture.
Although the present invention is disclosed above with implementation method, so it is not limited to the present invention, any to be familiar with this skill
Person, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations, therefore protection scope of the present invention is worked as
It is defined depending on the scope of which is defined in the appended claims.
Claims (10)
1. a kind of casing manufacture method, it is characterised in that include：
A () provides a metalwork, the wherein metalwork includes a base plate and at least side wall, and the base plate has an inner surface,
The side wall connects the inner surface, and is arranged at the edge of the inner surface；
B () provides a filling member, the wherein filling member has a joint face and one first top surface；
C () fixes the filling member to the metalwork so that the joint face connect the inner surface formed one first angle, the connection
Face first top surface that connects forms one second angle, and wherein first angle and second angle is more than 90 degree, less than 180 degree；
D () provides a film, wherein an ink layer is attached on the film, then perform an in-mold transfer printing processing procedure so that a modeling
Material is formed on the side wall and the filling member, and the film is plastic embossed and the ink layer is attached to the plastics with this, with
Partly the surface of the plastics forms appearance on the ink layer；And
E () removes at least partly filling member and at least part of plastics and forms a machined surface, wherein the machined surface connects this
Inner surface forms one first machining angle, and the machined surface appearance on this that connects forms one second machining angle, wherein this
One machining angle is more than or equal to 90 degree with second machining angle.
2. casing manufacture method according to claim 1, it is characterised in that the metalwork has one first snap-in structure,
First snap-in structure is arranged at the base plate, and the filling member also has one second snap-in structure, and step (c) is further to block
Close second snap-in structure to first snap-in structure so that the filling member is fixed on the metalwork.
3. casing manufacture method according to claim 1, it is characterised in that when the filling member is fixed on the inner surface
When, a gap is formed between the filling member and the side wall, and the plastics are filled up into the gap.
4. casing manufacture method according to claim 3, it is characterised in that step (e) is further to remove that to be located at this interior
At least part of filling member of surface is connected on the inner surface with least part of plastics, the wherein machined surface.
5. casing manufacture method according to claim 3, it is characterised in that step (e) is further to remove that to be located at this interior
At least part of filling member of surface and at least part of plastics, form a segment difference in the machined surface, the wherein machined surface
The segment difference formed a step structure.
6. a kind of casing a, it is adaptable to electronic installation, it is characterised in that the casing is included：
One framework, comprising appearance on a bottom surface, a machined surface and, the machined surface is connected on the bottom surface and in intersection shape
Into one first machining angle, appearance is connected on the machined surface and forms one second machining angle in intersection on this, wherein should
Framework also includes a metalwork, a filling member and a plastics, the metalwork side wall, the base plate comprising a base plate and at least
With an inner surface, the side wall connects the inner surface, and is arranged at the edge of the inner surface, and the filling member is fixed on the metalwork
On, wherein the filling member is arranged at the side wall and is formed on the metalwork near the side of the inner surface, and the plastics；And
One decorative layer, is arranged at appearance on this.
7. casing according to claim 6, it is characterised in that first machining angle be more than with second machining angle or
Equal to 90 degree.
8. casing according to claim 6, it is characterised in that the machined surface is formed at the plastics or the filling member, by this
The inner surface that plastics or the filling member expose forms the bottom surface of the framework.
9. casing according to claim 6, it is characterised in that the base plate has one first snap-in structure, the filling member bag
Containing one second snap-in structure, and first snap-in structure fastens with second snap-in structure.
10. casing according to claim 6, it is characterised in that the machined surface has a segment difference, to form a stepped knot
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410315505.7A CN105291345B (en) | 2014-07-03 | 2014-07-03 | Casing manufacture method and casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410315505.7A CN105291345B (en) | 2014-07-03 | 2014-07-03 | Casing manufacture method and casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105291345A CN105291345A (en) | 2016-02-03 |
| CN105291345B true CN105291345B (en) | 2017-07-07 |
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ID=55189492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410315505.7A Active CN105291345B (en) | 2014-07-03 | 2014-07-03 | Casing manufacture method and casing |
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| Country | Link |
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| CN (1) | CN105291345B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1857897A (en) * | 2005-05-08 | 2006-11-08 | 宣得股份有限公司 | Producing method for ejecting forming decoration in mould |
| CN101450521A (en) * | 2007-12-04 | 2009-06-10 | 鸿富锦精密工业（深圳）有限公司 | Forming device and method of in-mold decoration |
| CN201559465U (en) * | 2009-07-21 | 2010-08-25 | 比亚迪股份有限公司 | Injection molding product |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7976757B2 (en) * | 2009-08-27 | 2011-07-12 | Ju Teng International Holdings Limited | Mold decoration process |
| DE102009043581A1 (en) * | 2009-09-30 | 2011-04-14 | Hbw-Gubesch Kunststoff-Engineering Gmbh | IMD mold, injection molding apparatus with such an IMD mold and method for producing a plastic sheet-shaped part |
-
2014
- 2014-07-03 CN CN201410315505.7A patent/CN105291345B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1857897A (en) * | 2005-05-08 | 2006-11-08 | 宣得股份有限公司 | Producing method for ejecting forming decoration in mould |
| CN101450521A (en) * | 2007-12-04 | 2009-06-10 | 鸿富锦精密工业（深圳）有限公司 | Forming device and method of in-mold decoration |
| CN201559465U (en) * | 2009-07-21 | 2010-08-25 | 比亚迪股份有限公司 | Injection molding product |
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| CN105291345A (en) | 2016-02-03 |
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