CN104902714A - Production technology of intermediate frame structure and intermediate frame structure - Google Patents
Production technology of intermediate frame structure and intermediate frame structure Download PDFInfo
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- CN104902714A CN104902714A CN201510266630.8A CN201510266630A CN104902714A CN 104902714 A CN104902714 A CN 104902714A CN 201510266630 A CN201510266630 A CN 201510266630A CN 104902714 A CN104902714 A CN 104902714A
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Abstract
The invention discloses a production technology of an intermediate frame structure and the intermediate frame structure, and relates to the technical field of mobile electronic equipment components. The production technology of the intermediate frame structure comprises the following steps that step one, a frame and an intermediate plate are formed; step two, the frame and the intermediate plate formed through the first step are assembled and fixed; step three, first time of machining is performed so that the structures on the frame are formed and the excess parts on the intermediate plate are cut off; step four, member embedding and injection molding are performed on the frame and the intermediate plate formed in the third step so that an injection-molded plastic structure is formed; step five, second time of machining is performed: the external surface of the frame is fine-milled and the corresponding structures on the frame are formed; step six, the intermediate plate is cut, and the part, on which member embedding and injection molding are not performed, of the middle part of the intermediate plate is cut off; and step seven, post processing is performed; and the intermediate frame structure is produced by adopting the production technology of the intermediate frame structure. According to the production technology of the intermediate frame structure and the intermediate frame structure, defects that a conventional production technology of the intermediate frame structure is complex and production cost is high are overcome.
Description
Technical field
The present invention relates to mobile electronic device component technology field, particularly relate to a kind of production technology and middle frame structure of middle frame structure.
Background technology
The middle frame support of current numerous mobile electronic device metal shell, all adopt fine aluminium section bar or stainless steel materials, and first make it process type through CNC milling machine to go out basic frame structure, for NC Milling workshop section, it is the complete section bar of employing one and straight forming after carrying out repeatedly operation, it is very high to the required precision of process equipment, and has that the process-cycle is long, waste of raw materials is large, fraction defective is high and the defect such as processing cost is high.Along with the development of smithcraft technology and consumer are to the demand of innovative product, need the production technology that exploitation is new badly, such that the production cost of product is low, intensity is high, to satisfy the demands of consumers.
Summary of the invention
The object of the invention is to the production technology proposing a kind of middle frame structure, the machine work in production process can be reduced, effectively reduce production cost.
Another object of the present invention is to propose a kind of middle frame structure, simple and reasonable, can meet high strength requirement, can meet again the demand of consumer to stylishness.
For reaching this object, the present invention by the following technical solutions:
A production technology for middle frame structure, comprises the following steps:
Step one, shaping frame and middle plate;
Step 2, by the described frame after step one is shaping and the assembling of described middle plate fixing;
Step 3, first time machine work, the structure on shaping described frame, then cuts away the redundance on middle plate;
Step 4, insert injection molding is carried out to the frame formed in described step 3 and middle plate, form injection moulding plastic structure;
Step 5, second time machine work: frame outer surface described in finish-milling corresponding structure on shaping frame;
Plate in step 6, cutting, will not carry out the Partial Resection of insert injection molding in the middle part of described middle plate, form middle frame structure;
Step 7, post-processed, form final middle frame structure finished product.
Further technical scheme, the described frame in described step one comprises the discrete segmentation frame of multistage, and described middle plate is shaping by Sheet Metal Forming Technology.
Further technical scheme, segmentation frame described in described step 2 is arranged along the edge of described middle plate, forms antenna slot segmentation between described adjacent sectional frame, and the connected mode between described segmentation frame and described middle plate is welding, bolt connects or riveted joint.
Further technical scheme, first time machine work in described step 3 is included in shaping earpiece holes on described frame, USB hole, and finish-milling is carried out to described antenna slot segmentation or described frame, then by described middle plate, the part that follow-up insert injection molding is unnecessary is excised.
Further technical scheme, the machine work of second time described in described step 5 is frame side outer surface, key hole or chamfering place described in finish-milling.
Further technical scheme, the middle plate cutting in described step 6, the middle part of described middle plate is cut, and form the middle frame structure comprising frame and injection moulding plastic structure, described injection moulding plastic structure is overlying on not cut middle plate.
Further technical scheme, the material of described frame is stainless steel, and the material of described middle plate is stainless steel.
A kind of middle frame structure, described middle frame structure is produced by the production technology of above-mentioned middle frame structure.
Further technical scheme, described middle frame structure comprises frame and injection moulding plastic structure, described injection moulding plastic structure is overlying on not cut middle plate, described frame is divided into multistage segmentation frame, be antenna slot segmentation between described adjacent sectional frame, described segmentation frame is arranged along described not cut middle panel edges, and with described not cut in plate be connected.
Further technical scheme, described frame is provided with earpiece holes, USB hole and key hole.
Beneficial effect of the present invention:
The production technology of a kind of middle frame structure that the present invention proposes, frame and middle plate is made to distinguish shaping, then combine, desired structure is obtained again by insert injection molding, last middle frame structure is obtained again by post-processed, in this process, mach operation and cycle reduce, and only have and need to carry out machine work compared with the structure of small part, and therefore the production cost of this production technology reduces; Frame in addition in this production technology and middle plate adopt stainless steel and alloy respectively, make middle frame structure can meet intensity instructions for use, can also ensure the requirement of consumer to fashion.
A kind of metal middle frame structure that the present invention proposes, adopt the middle frame structure production technology in the present invention to produce, production technology is simple, cost is low, and structure simple strength is high, can meet the many-sided demand of consumer.
Accompanying drawing explanation
Fig. 1 is the flow chart of the middle frame structure production technology that the specific embodiment of the invention provides;
Fig. 2 be frame that the specific embodiment of the invention provides shaping after structural representation;
Fig. 3 is the structural representation after the middle sheet metal forming that provides of the specific embodiment of the invention;
Fig. 4 is the structural representation after the frame that provides of the specific embodiment of the invention and the assembling of middle plate;
Fig. 5 is the structural representation after the frame that provides of the specific embodiment of the invention and the first time machine work of middle plate;
Fig. 6 is the structural representation after the frame that provides of the specific embodiment of the invention and middle plate insert injection molding;
Fig. 7 is the structural representation after the frame that provides of the specific embodiment of the invention and the machine work of middle plate second time;
Fig. 8 is the structural representation of the middle frame structure that the specific embodiment of the invention provides.
Wherein, 1, frame; 2, middle plate; 3, segmentation frame; 4, earpiece holes; 5, USB hole; 6, hole; 7, injection moulding plastic structure; 8, key hole; 9, antenna slot segmentation.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Fig. 1 is the flow chart of the middle frame structure production technology that the specific embodiment of the invention provides.A production technology for middle frame structure, is characterized in that, comprises the following steps:
Step one, shaping frame 1 and middle plate 2, wherein, frame 1 comprises the discrete segmentation frame 3 of multistage, and 1 point, frame is in order to 3 sections of segmentation frames 3 in the present embodiment, and as shown in Figure 2, middle plate 2 is shaping by Sheet Metal Forming Technology, and the schematic diagram after shaping is as shown in Figure 3;
Step 2, the frame 1 after shaping by step one and middle plate 2 are assembled fixing, segmentation frame 3 along in plate 2 edge arrange, form antenna slot segmentation 9 between adjacent sectional frame 3, as shown in Figure 4, the connected mode between segmentation frame 3 and middle plate 2 is welding, bolt connects or riveted joint;
Step 3, first time machine work, be included in shaping earpiece holes 4, USB hole 5 on frame 1, and finish-milling is carried out to antenna slot segmentation 9 or frame 1, then middle plate 2 excises for the part that follow-up insert injection molding is unnecessary, the multiple holes 6 arranged along frame 1 are formed, as shown in Figure 5 after unnecessary Partial Resection;
Step 4, insert injection molding is carried out to the frame 1 formed in step 3 and middle plate 2, form injection moulding plastic structure 7, as shown in Figure 6.Insert injection molding refers to load resin by injection after pre-prepd different material inserts in mould, and the material of melting and inserts engagement cure, make the forming method of integration product;
Step 5, second time machine work are finish-milling frame 1 side outer surface, key hole 8 or chamfering place, as shown in Figure 7;
Plate 2 in step 6, cutting, to not carry out the Partial Resection of insert injection molding in the middle part of described middle plate 2, the middle part of middle plate 2 is cut, forms the middle frame structure comprising frame 1 and injection moulding plastic structure 7, injection moulding plastic structure 7 is overlying on not cut middle plate 2, obtains middle frame structure;
Step 7, post-processed, form final middle frame structure finished product, comprise twice surface treatment, to meet the final surface quality requirements of middle frame structure, wherein first time surface treatment mainly carries out wire drawing or blasting treatment to the outer surface of frame 1, second time surface treatment mainly carries out PVD or electroplating processes to the outer surface of frame, final formation middle frame structure finished product, as shown in Figure 8.
Preferably, the material of frame 1 is stainless steel, and the material of middle plate 2 is stainless steel, to meet the requirement of strength of middle frame structure.
This embodiment also protects a kind of middle frame structure; this middle frame structure is produced by the production technology of above-mentioned middle frame structure; middle frame structure comprises frame 1 and injection moulding plastic structure 7; injection moulding plastic structure 7 is overlying on not cut middle plate 2; frame 1 is divided into multistage segmentation frame 3, is antenna slot segmentation 9 between adjacent sectional frame 3, and segmentation frame 3 is arranged along plate 2 edge in not cut; and with not cut in plate 2 be connected, as shown in Figure 8.
Frame is provided with the structures such as earpiece holes 4, USB hole 5 and key hole 8, to meet instructions for use.
The material of the frame 1 in this middle frame structure, middle plate 2 and injection moulding plastic structure 7, concrete structure and connected mode are not limit, and the production technology energy reduce engine processing of middle frame structure, reduce production cost, and this middle frame structure can ensure desirable strength.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned execution mode, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Claims (10)
1. a production technology for middle frame structure, is characterized in that, comprises the following steps:
Step one, shaping frame (1) and middle plate (2);
Step 2, by the described frame (1) after step one is shaping and described middle plate (2) assembling fixing;
Step 3, first time machine work, the structure on shaping described frame (1), then cuts away the redundance on middle plate (2);
Step 4, insert injection molding is carried out to the frame formed in described step 3 (1) and middle plate (2), form injection moulding plastic structure (7);
Step 5, second time machine work: (1) outer surface of frame described in finish-milling corresponding structure on shaping frame (1);
Plate (2) in step 6, cutting, does not carry out the Partial Resection of insert injection molding, forms middle frame structure by described middle plate (2) middle part;
Step 7, post-processed, form final middle frame structure finished product.
2. the production technology of middle frame structure according to claim 1, it is characterized in that, described frame (1) in described step one comprises the discrete segmentation frame (3) of multistage, and described middle plate (2) is shaping by Sheet Metal Forming Technology.
3. the production technology of middle frame structure according to claim 2, it is characterized in that, segmentation frame described in described step 2 (3) is arranged along the edge of described middle plate (2), form antenna slot segmentation (9) between described adjacent sectional frame (3), the connected mode between described segmentation frame (3) and described middle plate (2) is welding, bolt connects or riveted joint.
4. the production technology of middle frame structure according to claim 3, it is characterized in that, first time machine work in described step 3 is included in the upper shaping earpiece holes (4) of described frame (1), USB hole (5), and finish-milling is carried out to described antenna slot segmentation (9) or described frame (1), then by described middle plate (2), the part that follow-up insert injection molding is unnecessary is excised.
5. the production technology of middle frame structure according to claim 1, is characterized in that, the machine work of second time described in described step 5 is frame described in finish-milling (1) side outer surface, key hole (8) or chamfering place.
6. the production technology of middle frame structure according to claim 1, it is characterized in that, middle plate (2) cutting in described step 6, the middle part of described middle plate (2) is cut, formation comprises the middle frame structure of frame (1) and injection moulding plastic structure (7), and described injection moulding plastic structure (7) is overlying on not cut middle plate (2).
7., according to the production technology of the arbitrary described middle frame structure of claim 1-6, it is characterized in that, the material of described frame (1) is stainless steel, and the material of described middle plate (2) is stainless steel.
8. a middle frame structure, is characterized in that, described middle frame structure is produced by the production technology of the arbitrary described middle frame structure of claim 1-7.
9. middle frame structure according to claim 8, it is characterized in that, described middle frame structure comprises frame (1) and injection moulding plastic structure (7), described injection moulding plastic structure (7) is overlying on not cut middle plate (2), described frame (1) is divided into multistage segmentation frame (3), be antenna slot segmentation (9) between described adjacent sectional frame (3), described segmentation frame (3) is arranged along described not cut middle plate (2) edge, and with described not cut in plate (2) be connected.
10. middle frame structure according to claim 9, is characterized in that, described frame (1) is provided with earpiece holes (4), USB hole (5) and key hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510266630.8A CN104902714A (en) | 2015-05-22 | 2015-05-22 | Production technology of intermediate frame structure and intermediate frame structure |
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| CN201510266630.8A CN104902714A (en) | 2015-05-22 | 2015-05-22 | Production technology of intermediate frame structure and intermediate frame structure |
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| CN201510266630.8A Pending CN104902714A (en) | 2015-05-22 | 2015-05-22 | Production technology of intermediate frame structure and intermediate frame structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105195745A (en) * | 2015-10-10 | 2015-12-30 | 深圳艾利门特科技有限公司 | Method for manufacturing mobile phone middle frame through powder injection forming technology |
| CN105338745A (en) * | 2015-11-02 | 2016-02-17 | 深圳市五株科技股份有限公司 | Processing method for gold immersion of printed circuit board |
| CN105345987A (en) * | 2015-09-24 | 2016-02-24 | 深圳市财富之舟科技有限公司 | Manufacturing method of mobile phone middle frame and mobile phone middle frame |
| CN107087366A (en) * | 2017-05-11 | 2017-08-22 | 广东长盈精密技术有限公司 | Metal middle frame structure processing technology, metal middle frame structure and electronic equipment |
| CN109706378A (en) * | 2019-01-17 | 2019-05-03 | 广东中术合金科技有限公司 | A kind of stainless steel high efficiency and heat radiation mobile phone center |
| CN110757099A (en) * | 2019-09-25 | 2020-02-07 | 广东长盈精密技术有限公司 | Middle frame manufacturing method, middle frame and electronic equipment |
| CN111822943A (en) * | 2019-04-23 | 2020-10-27 | 杭州三花研究院有限公司 | Method for producing electric heater and electric heater |
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| CN104244642A (en) * | 2014-09-22 | 2014-12-24 | 广东欧珀移动通信有限公司 | Shell structure of mobile terminal and mobile terminal with shell structure |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105345987A (en) * | 2015-09-24 | 2016-02-24 | 深圳市财富之舟科技有限公司 | Manufacturing method of mobile phone middle frame and mobile phone middle frame |
| CN105345987B (en) * | 2015-09-24 | 2018-02-09 | 深圳市财富之舟科技有限公司 | A kind of manufacture method of mobile phone center and a kind of mobile phone center |
| CN105195745A (en) * | 2015-10-10 | 2015-12-30 | 深圳艾利门特科技有限公司 | Method for manufacturing mobile phone middle frame through powder injection forming technology |
| CN105338745A (en) * | 2015-11-02 | 2016-02-17 | 深圳市五株科技股份有限公司 | Processing method for gold immersion of printed circuit board |
| CN105338745B (en) * | 2015-11-02 | 2018-08-10 | 深圳市五株科技股份有限公司 | The processing method of printed circuit board turmeric |
| CN107087366A (en) * | 2017-05-11 | 2017-08-22 | 广东长盈精密技术有限公司 | Metal middle frame structure processing technology, metal middle frame structure and electronic equipment |
| CN109706378A (en) * | 2019-01-17 | 2019-05-03 | 广东中术合金科技有限公司 | A kind of stainless steel high efficiency and heat radiation mobile phone center |
| CN111822943A (en) * | 2019-04-23 | 2020-10-27 | 杭州三花研究院有限公司 | Method for producing electric heater and electric heater |
| CN110757099A (en) * | 2019-09-25 | 2020-02-07 | 广东长盈精密技术有限公司 | Middle frame manufacturing method, middle frame and electronic equipment |
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Application publication date: 20150909 |