CN102490310A - Soft rubber molding process for metal shell surface - Google Patents
Soft rubber molding process for metal shell surface Download PDFInfo
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- CN102490310A CN102490310A CN2011104162459A CN201110416245A CN102490310A CN 102490310 A CN102490310 A CN 102490310A CN 2011104162459 A CN2011104162459 A CN 2011104162459A CN 201110416245 A CN201110416245 A CN 201110416245A CN 102490310 A CN102490310 A CN 102490310A
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Abstract
The invention relates to the field of machining process for metal shell surface protecting layers, in particular to a soft rubber molding process for a metal shell surface, which is characterized in that adhesives are coated on the metal shell surface, a soft rubber protecting layer is added to the outer side of the adhesives by means of soft rubber injection molding or silicon rubber heating vulcanization, and finally soft paint is coated on the obtained product. Besides, metal shells include notebook computers, tablet computers, mobile phones, articles for daily use and the like. The soft rubber molding process has the advantages that the metal shell surface is covered with the soft rubber protecting layer by the aid of soft rubber materials, compared with a metal part with appearance needing back-end processes of anodic treatment and/or painting and the like, the metal shell surface is low in cost, high in yield and simple, convenient in process and the like, the metal shell surface protecting layer of the manufactured product is more environment-friendly, soft in hand feeling and more attractive in appearance, the soft rubber and the metal shell surface are adhered by the adhesives so that the manufactured metal shell surface protecting layer is firmer and close, and the soft paint is coated on the outer side of the soft rubber so that the product is dirt-resistant, scratch-resistant and smoother in hand feeling.
Description
Technical field
The present invention relates to the processing technology field of metal shell sealer, relate in particular to a kind of metal shell surface soft glue moulding process, wherein metal shell mainly refers to the shell of electronic equipments such as mobile phone, computer, household electrical appliance.
Background technology
Metal shell is widely used in notebook, panel computer, mobile phone and other consumer electronics daily necessities, because the character of metal conduction itself, easy oxidation, metal shell needs protective layer.The protective layer of traditional metal shell is sprayed at the lacquer on metal shell surface, and relatively matter is hard, not enough environmental protection, and lacquer is prone to.The protective layer of existing metal shell also comprises duroplasts, and thermal diffusivity is poor.Aluminium (magnesium) alloy shell of products such as the IPHONE of Apple, IPAD adopts anode treatment, and metal surface is as the anode in the electrolyte, and energising back metal is removed from the top layer, and is specious but cost high, and not environmental protection of processing procedure.
Summary of the invention
The objective of the invention is to overcome the problems referred to above, provide that a kind of cost is low, the metal shell sealer that makes more firmly, more environmental protection, matter is soft and thermal diffusivity is good metal shell surface soft glue moulding process.
For realizing above-mentioned purpose; The technical scheme that the present invention adopted is: metal shell surface soft glue moulding process; It is characterized in that: solid on the metal shell surfaces coated; Add the soft glue protective layer through soft glue ejection formation or silicon rubber baking forming method in the solid outside, be coated with soft lacquer in the soft glue protective layer outside.
Metal shell of the present invention is meant and comprises sheet material class material, alloy type metal fusible material or the made metal works of metal powder material.
To the metal works that sheet material class material is processed, metal shell surface soft glue moulding process comprises following concrete steps
(1) the raw metal plate is carried out CNC processing and/or punch forming operation;
(2) metallic plate to (1) gained is coated with solid, and dry;
(3) be raw material with the soft glue material, generate the soft glue protective layer on the metal works surface of (2) gained through injection machine or hot press;
(4) product surface at (3) gained is coated with soft lacquer.
To alloy type metal fusible material, the moulding process of metal shell surface soft glue comprises following concrete steps
(1) melted alloy metalloid fusible material, after penetrate or extrude machine-shaping;
(2) moulded products to (1) gained is coated with solid, and dry;
(3) be raw material with the soft glue material, generate the soft glue protective layer on the metal works surface of (2) gained through injection machine or hot press;
(4) product surface at (3) gained is coated with soft lacquer.
To metal powder material, the moulding process of metal shell surface soft glue comprises following concrete steps
(1) metal powder material with after epoxy glue mixes through colding pressing, sinter molding;
(2) moulded products to (1) gained is coated with solid, and dry;
(3) be raw material with the soft glue material, generate the soft glue protective layer on the metal works surface of (2) gained through injection machine or rubber hot press;
(4) product surface at (3) gained is coated with soft lacquer.
In sheet material class material, alloy type metal fusible material or the pairing moulding process of metal powder material, in step (2), can manually be coated with when being coated with solid, also can spray; The material of described soft glue comprises thermoplastic plastic's material and heat-curable silicone rubber material, and thermoplastic is corresponding to the injection machine ejection formation, and the heat-curable silicone rubber material is hot-forming corresponding to hot pressing rubber machine; Thermoplastic comprises TPE, TPU, TPR, and thermosets comprises silicon rubber and silicon.
In alloy type metal fusible material or the pairing moulding process of metal powder material, (workpiece that has does not need) interpolation following steps when being necessary between step (1) and the step (2): the moulded products to (1) gained carries out CNC processing to obtain finished product.
Beneficial effect of the present invention: adopt the soft glue material with metal shell surface coverage one soft glue protective layer; It not only has than metalwork outward appearance needs anode treatment and/or sprays paint and wait the cost of back processing procedure low; Yield is high; Advantages such as processing procedure is easy, and the metal shell sealer that makes product has more environmental protection, the soft outward appearance of feel matter is more attractive in appearance; Use bonding soft glue of solid and metal shell surface, make the metal shell sealer that makes more firm, driving fit; Be coated with soft lacquer in the soft glue outside, make the product dirt that bears dirty, scratch resistance is hindered, and feel exquisiteness Paint Gloss.
Description of drawings
Fig. 1 is a metal shell of the present invention surface soft glue structure chart;
Fig. 2 is the flow chart of metal shell of the present invention surface soft glue moulding process;
Wherein, 1 metal shell surface, 2 adhesion agent layer, 3 soft glue protective layers.
The specific embodiment
Below in conjunction with Fig. 1, Fig. 2 and preferred implementation of the present invention the present invention is done further detailed description.
Fig. 1 is metal shell of the present invention surface soft glue structure chart (having omitted the soft enamelled coating in soft glue protective layer 3 outsides); Comprise the soft glue protective layer 3 that add in metal shell surface 1, adhesion agent layer 2 and adhesion agent layer 2 outsides, wherein adhesion agent layer 2 is used for the adhesion of soft glue protective layer 3 and fixes.Metal shell of the present invention surface soft glue moulding process mainly comprised for two steps: solid is added on metal shell surface 1 in (1); (2) add soft glue in the solid outside.
Metal shell of the present invention surface soft glue moulding process; It is characterized in that: solid on the metal shell surfaces coated; Add the soft glue protective layer through soft glue ejection formation or silica gel baking forming method in the solid outside, be coated with soft lacquer in the soft glue protective layer outside.And production technology is different according to the type of raw material, and raw material is divided into sheet material class or alloy type metal fusible material or metal powder material.
According to Fig. 2, for the sheet material metalloid material, comprise sheet metals such as aluminium, stainless steel, iron plate, technology of the present invention comprises following concrete steps: CNC processing and/or punch forming operation are carried out to the raw metal plate in (1); (2) metallic plate to (1) gained is coated with solid, and air-dry; (3) be raw material with the soft glue material, generate the soft glue protective layer on the metal works surface of (2) gained through injection machine or hot press; (4) product surface at (3) gained is coated with soft lacquer.
Alloy type metal fusible material comprises aluminium alloy, almag etc.; Be mainly used in notebook; To alloy type metal fusible material; The moulding process of metal shell surface soft glue comprises following concrete steps (1) melted alloy metalloid fusible material, after penetrate or extrude machine-shaping; (2) moulded products to (1) gained is coated with solid, and air-dry; (3) be raw material with the soft glue material, generate the soft glue protective layer on the metal works surface of (2) gained through injection machine or hot press; (4) product surface at (3) gained is coated with soft lacquer.
To metal powder material, after the moulding process of metal shell surface soft glue comprises following concrete steps (1) metal powder material and epoxy glue mixes through colding pressing, sinter molding; (2) moulded products to (1) gained is coated with solid, and air-dry; (3) be raw material with the soft glue material, generate the soft glue protective layer on the metal works surface of (2) gained through injection machine or hot press; (4) product surface at (3) gained is coated with soft lacquer.
In alloy type metal fusible material or the pairing moulding process of metal powder material, (workpiece that has does not need) need add following steps when being necessary between step (1) and the step (2): the moulded products to (1) gained carries out CNC processing to obtain finished product.This is because the goods that step (1) obtains possibly be finished product, also possibly be semi-finished product, needs that semi-finished product are carried out CNC processing and obtains the finished product metal works.
The soft glue material is divided into thermoplastic and thermosets, and thermoplastic is corresponding to injection machine, and thermosets is corresponding to hot press.Thermoplastic includes TPE, TPU, and TPR etc., thermosets include silicon rubber, silicon etc.
In being directed against the moulding process of sheet material metalloid material; CNC processing and stamping forming operation can be put upside down each other in its step (1); Can be first CNC processing back punch forming, also can first punch forming after CNC processing, also can only select one of them operation; CNC processing is mainly used in the surface treatment of stock metal plate; Punch forming then is used for processing such as the bending, stretching of stock metal plate, and step (1) makes that stock metal plate machine-shaping is finished product, and is convenient to add solid and soft glue on its surface.
In above-mentioned step (2), solid can manually be coated with, and also can spray with instrument; Solid is an adhesive, is divided into heat curing-type, heat molten type, room temperature curing type, pressure sensitive, is used for inhomogeneous soft glue is connected with metal shell.Concrete processing step is following: the preparation of solid; The oxide on surface of adherend is handled (the CNC processing that is step (1)); Gluing; Hang air-dryly, make low-molecular material such as solvent volatilization gel; Superimposed pressurization; Removing remains in the solid of product surface.
In above-mentioned step (3), respectively thermoplastic and thermosets are injected the metal works surface and generate soft glue protective layer 3 through injection machine and hot press.Thermosets comprises solid-state material and liquid material, wherein solid-state material such as solid state si rubber, the mixed liquor silicon that liquid material constitutes if any former dose of A (as the silica gel stock) and curing agent B (auxiliary curing).
For thermoplastic, injection mo(u)lding is the thermophysical property that utilizes the soft glue material, adds material the feed inlet barrel from hopper; Barrel is outer to make the material fusion by the heating collar heating, and the screw rod of driven in rotation under the power motor effect outside is housed in barrel; Material is fed forward and compacting along screw channel under the effect of screw rod, and material heats little by little plasticizing under the double action with screw rod shearing, fusion and homogenizing outside; When screw rod rotated, material was shifted the material of fusion onto on the head of screw rod under the effect of screw channel frictional force and shearing force; Meanwhile, screw rod is retreated under the reaction of material, makes screw head form the storing space; Accomplish plasticizing process, then, screw rod is under the effect of the piston thrust of injection cylinder; With high speed, high pressure, the melting charge in the storage compartment is expelled to through nozzle in the die cavity of imbedding the mould in the injection machine, after the melt process pressurize in the die cavity, cooling, the solidifying and setting; Mould under the effect of clamping, opening mold, and eject the good goods of typing from mould through liftout attachment and to fall.Wherein be placed with the metal works of step (2) gained in the mould; Melted material is injected in the surface of metal works and the outside of adhesion agent layer 2; Because the cementation of solid is fixed in the metal works surface exactly and is formed soft glue protective layer 3 after the molten material cools.
For the solid-state material in the thermosets; Like solid state si rubber (constituting) by a plurality of silicone rubber plates; The solid state si sheet rubber is placed on the metal works surface in the hot press die cavity; Modes such as PULSE HEATING through soldering tip or heated at constant temperature heat solid state si rubber to molten state, and the melt in the die cavity forms the soft glue protective layer through pressurize, cooling, solidifying and setting.For the liquid material in the thermosets; The barrel of hot press is not established heating collar outward; Be that material was the state of cooling before the die cavity of the mould in the hot press was imbedded in the liquid material entering, behind the entering die cavity; Modes such as PULSE HEATING through soldering tip or heated at constant temperature heat liquid material, and the melt in the die cavity forms the soft glue protective layer through pressurize, cooling, solidifying and setting.
According to Fig. 2; The soft glue moulding process of alloy type metal fusible material and metal powder material is compared with sheet material class material; Mainly contain following difference: be different from the prior CNC processing and the punch forming of sheet material class material; Metal such as aluminium alloy and almag fusible material and metal powder material adopt respectively to penetrate after the heat fused processes/extrudes processing and cold-rolled sintered melter product or the finished product of obtaining, and wherein semi-finished product need pass through CNC and process and be polished into finished product.After processing finished product; Again manually or the spraying solid; The back is air-dry or dry, and has added the alloy type metal works of solid or workpiece that metal dust is processed and has placed in injection machine or the hot press, wherein is injected into die cavity and the cooling forming of imbedding the injection machine inner mold behind the molten thermoplastic material; The solid state si sheet rubber is hot-forming in hot press in the thermosets, gets into the moulding that is heating and curing of hot press mold cavity and have former dose of A and curing agent B to mix the back in the thermosets.
The foregoing description does not limit the present invention in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop on protection scope of the present invention.
Claims (9)
1. metal shell surface soft glue moulding process; It is characterized in that: solid on the metal shell surfaces coated; Add the soft glue protective layer through soft plastic ejection formation or silicon rubber baking forming method in the solid outside, be coated with soft lacquer in the soft glue protective layer outside.
2. metal shell according to claim 1 surface soft glue moulding process, it is characterized in that: described metal shell is meant and comprises sheet material class material, alloy type metal fusible material or the made metal works of metal powder material.
3. metal shell according to claim 1 surface soft glue moulding process is characterized in that: comprise following concrete steps
The raw metal plate is carried out CNC processing and/or punch forming operation;
Metallic plate to (1) gained is coated with solid, and dry;
With the soft glue material is raw material, generates the soft glue protective layer through injection machine or hot press on the metal works surface of (2) gained;
Product surface at (3) gained is coated with soft lacquer.
4. the moulding process of metal shell according to claim 1 surface soft glue is characterized in that: comprise following concrete steps
(1) melted alloy metalloid fusible material, after penetrate or extrude machine-shaping;
(2) moulded products to (1) gained is coated with solid, and dry;
(3) be raw material with the soft glue material, generate the soft glue protective layer on the metal works surface of (2) gained through injection machine or hot press;
(4) product surface at (3) gained is coated with soft lacquer.
5. the moulding process of the described metal shell of claim 1 surface soft glue is characterized in that: comprise following concrete steps
(1) metal powder material with after epoxy glue mixes through colding pressing, sinter molding;
(2) moulded products to (1) gained is coated with solid, and dry;
(3) be raw material with the soft glue material, generate the soft glue protective layer on the metal works surface of (2) gained through injection machine or hot press;
(4) product surface at (3) gained is coated with soft lacquer.
6. according to claim 3 or 4 or 5 described metal shell surface soft glue moulding process, it is characterized in that: in step (2), can manually be coated with when being coated with solid and touch, also can spray.
7. according to claim 3 or 4 or 5 described metal shell surface soft glue moulding process; It is characterized in that: the material of described soft glue comprises thermoplastic plastic's material and heat-curable silicone rubber material; Thermoplastic is corresponding to the injection machine ejection formation, and the heat-curable silicone rubber material is hot-forming corresponding to hot pressing rubber machine.
8. according to claim 4 or 5 described metal shell surface soft glue moulding process, it is characterized in that: need add following steps when being necessary between step (1) and the step (2): the moulded products to (1) gained carries out CNC processing to obtain finished product.
9. metal shell according to claim 7 surface soft glue moulding process, it is characterized in that: described thermoplastic comprises TPE, TPU, TPR, and thermosets comprises silicon rubber, silicon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104162459A CN102490310A (en) | 2011-12-14 | 2011-12-14 | Soft rubber molding process for metal shell surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104162459A CN102490310A (en) | 2011-12-14 | 2011-12-14 | Soft rubber molding process for metal shell surface |
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| CN102490310A true CN102490310A (en) | 2012-06-13 |
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| CN2011104162459A Pending CN102490310A (en) | 2011-12-14 | 2011-12-14 | Soft rubber molding process for metal shell surface |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057035A (en) * | 2013-01-14 | 2013-04-24 | 昆山易昌泰塑胶有限公司 | Machining process for simultaneously forming flexible thermoplastic plastic on bottom piece in injection molding manner and thinning flexible plastic in compression manner |
| CN103057036A (en) * | 2013-01-14 | 2013-04-24 | 昆山易昌泰塑胶有限公司 | Process for molding thermoplastic plastics on substrate |
| CN103568174A (en) * | 2012-07-31 | 2014-02-12 | 昆山福冈电子有限公司 | Manufacturing process of cracking-resistant scratch-proof silica gel tool |
| CN103802229A (en) * | 2012-11-15 | 2014-05-21 | 苏州滕艺科技有限公司 | Method for preparing electronic device shell with connected structure and structure |
| CN104470297A (en) * | 2013-09-22 | 2015-03-25 | 鸿富锦精密工业（深圳）有限公司 | Outer shell coated with silica gel and electronic device using outer shell |
| CN107073766A (en) * | 2014-11-05 | 2017-08-18 | 株式会社普利司通 | The manufacture device of unit laminated latex and the manufacture method of unit laminated latex |
| CN107650323A (en) * | 2017-07-31 | 2018-02-02 | 广东深越光电技术有限公司 | A kind of backlight glue iron component and preparation method thereof |
| CN107650322A (en) * | 2017-07-31 | 2018-02-02 | 广东深越光电技术有限公司 | A kind of glue iron integrated frame Shooting Technique in liquid crystal display die set |
| CN108908976A (en) * | 2018-06-22 | 2018-11-30 | 四会市研创电器有限公司 | A kind of profile filler strip and its manufacture craft |
| CN108908812A (en) * | 2018-06-22 | 2018-11-30 | 四会市研创电器有限公司 | A kind of filler strip of profile and preparation method thereof |
| WO2019134336A1 (en) * | 2018-01-05 | 2019-07-11 | 汉达精密电子(昆山)有限公司 | Structural product and forming method therefor |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568174A (en) * | 2012-07-31 | 2014-02-12 | 昆山福冈电子有限公司 | Manufacturing process of cracking-resistant scratch-proof silica gel tool |
| CN103802229A (en) * | 2012-11-15 | 2014-05-21 | 苏州滕艺科技有限公司 | Method for preparing electronic device shell with connected structure and structure |
| CN103802229B (en) * | 2012-11-15 | 2017-02-08 | 苏州滕艺科技有限公司 | Method for preparing electronic device shell with connected structure and structure |
| CN103057036A (en) * | 2013-01-14 | 2013-04-24 | 昆山易昌泰塑胶有限公司 | Process for molding thermoplastic plastics on substrate |
| CN103057035A (en) * | 2013-01-14 | 2013-04-24 | 昆山易昌泰塑胶有限公司 | Machining process for simultaneously forming flexible thermoplastic plastic on bottom piece in injection molding manner and thinning flexible plastic in compression manner |
| CN104470297B (en) * | 2013-09-22 | 2018-08-07 | 富钰精密组件（昆山）有限公司 | It is coated with the shell of silica gel and the electronic device using the shell |
| CN104470297A (en) * | 2013-09-22 | 2015-03-25 | 鸿富锦精密工业（深圳）有限公司 | Outer shell coated with silica gel and electronic device using outer shell |
| TWI577544B (en) * | 2013-09-22 | 2017-04-11 | 鴻海精密工業股份有限公司 | Artical coated with silicone rubber layer and electronic device using same |
| CN107073766A (en) * | 2014-11-05 | 2017-08-18 | 株式会社普利司通 | The manufacture device of unit laminated latex and the manufacture method of unit laminated latex |
| CN107073766B (en) * | 2014-11-05 | 2020-04-03 | 株式会社普利司通 | Apparatus for producing unit laminated rubber and method for producing unit laminated rubber |
| CN107650323A (en) * | 2017-07-31 | 2018-02-02 | 广东深越光电技术有限公司 | A kind of backlight glue iron component and preparation method thereof |
| CN107650323B (en) * | 2017-07-31 | 2019-08-13 | 广东深越光电技术有限公司 | A kind of backlight glue iron component and preparation method thereof |
| CN107650322B (en) * | 2017-07-31 | 2019-10-11 | 广东深越光电技术有限公司 | A kind of glue iron integrated frame Shooting Technique in liquid crystal display die set |
| CN107650322A (en) * | 2017-07-31 | 2018-02-02 | 广东深越光电技术有限公司 | A kind of glue iron integrated frame Shooting Technique in liquid crystal display die set |
| WO2019134336A1 (en) * | 2018-01-05 | 2019-07-11 | 汉达精密电子(昆山)有限公司 | Structural product and forming method therefor |
| CN108908976A (en) * | 2018-06-22 | 2018-11-30 | 四会市研创电器有限公司 | A kind of profile filler strip and its manufacture craft |
| CN108908812A (en) * | 2018-06-22 | 2018-11-30 | 四会市研创电器有限公司 | A kind of filler strip of profile and preparation method thereof |
| CN108908976B (en) * | 2018-06-22 | 2020-07-10 | 四会市研创电器有限公司 | Filler strip for section bar and manufacturing process thereof |
| CN108908812B (en) * | 2018-06-22 | 2020-07-10 | 四会市研创电器有限公司 | Filler strip for section bar and manufacturing method thereof |
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Application publication date: 20120613 |