CN107552638B - Method for processing plate, method for preparing mobile phone middle frame, mobile phone middle frame and mobile phone - Google Patents
Method for processing plate, method for preparing mobile phone middle frame, mobile phone middle frame and mobile phone Download PDFInfo
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- CN107552638B CN107552638B CN201710915439.0A CN201710915439A CN107552638B CN 107552638 B CN107552638 B CN 107552638B CN 201710915439 A CN201710915439 A CN 201710915439A CN 107552638 B CN107552638 B CN 107552638B
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Abstract
The invention provides a method for processing a plate, a method for preparing a mobile phone middle frame, a mobile phone middle frame and a mobile phone, wherein the method for processing the plate comprises the following steps: stamping the plate to form at least one prefabricated part with a product pattern; and bending the prefabricated member. According to the method, the plate is punched to directly bend the prefabricated part with the product pattern formed after punching, compared with the prior art that the prefabricated part is processed by a numerical control machine tool to form the appearance shape, the material consumption and the cost can be greatly reduced, the processing time of the numerical control machine tool is reduced, the production efficiency is high, and the workpiece processed by the method is attractive in appearance and good in precision, and is particularly suitable for preparing the middle frame of the mobile phone.
Description
Technical Field
The invention relates to the technical field of material processing and forming, in particular to a method for processing a plate, a method for preparing a mobile phone middle frame, a mobile phone middle frame and a mobile phone.
Background
At present, the most main preparation method of the middle frame of the mobile phone is to cut and drill and mill a whole aluminum alloy or stainless steel plate and the like through a CNC (numerical control machine tool), and the method can cause material waste, high cost, long processing period and low production efficiency.
Thus, the existing method for preparing the middle frame of the mobile phone still needs to be improved.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, an object of the present invention is to provide a method for processing a plate, which can greatly reduce the material consumption, the cost, the processing time of a numerical control machine, the production efficiency is high, the processed workpiece has a beautiful appearance and good precision, or is particularly suitable for preparing a middle frame of a mobile phone.
In one aspect of the invention, a method of processing a sheet material is provided. According to an embodiment of the invention, the method comprises: stamping the plate to form at least one prefabricated part with a product pattern; and bending the prefabricated member. The inventor finds that the method can greatly reduce the material and cost, reduce the processing time of the numerical control machine tool, has high production efficiency, and the workpiece processed by the method has beautiful appearance and good precision, and is particularly suitable for preparing the middle frame of the mobile phone.
In another aspect of the invention, another method of processing a sheet material is provided. According to an embodiment of the invention, the method comprises: performing first stamping on the surface of a plate material to form a predetermined pattern, wherein the predetermined pattern comprises a plurality of product patterns and a plurality of connecting material areas; performing second stamping on the plate according to the preset pattern to form a plurality of prefabricated parts with the product pattern, wherein two adjacent prefabricated parts are connected through at least one connecting area; bending the plurality of prefabricated members; separating the preform from the preform. The inventor finds that the method forms the target appearance shape by first stamping the plate, can greatly reduce the material and cost, reduce the processing time of the numerical control machine tool, has high production efficiency and beautiful appearance and good precision of the workpiece processed by the method compared with the prior art which forms the appearance shape by processing the plate by the numerical control machine tool, and is particularly suitable for preparing the middle frame of the mobile phone.
According to an embodiment of the present invention, after the first punching and before the second punching, further comprising: a step of removing the excess material by a third press.
According to an embodiment of the present invention, after the first punching and before the second punching, further comprising: and forming a limiting structure through fourth stamping.
According to an embodiment of the invention, the first stamping step is performed simultaneously with the formation of the positioning holes.
According to an embodiment of the invention, said separating said preform from said preform comprises: cutting the continuous material area; and removing the connecting material area remained on the prefabricated member.
According to an embodiment of the invention, said separating of said connecting zone from said preform is carried out by means of a numerically controlled machine processing method.
According to an embodiment of the invention, the sheet material is a metal sheet material.
According to an embodiment of the invention, the metal sheet is a stainless steel, aluminum or aluminum alloy sheet.
In yet another aspect of the invention, a method of making a bezel for a handset is provided. According to an embodiment of the invention, the method comprises: and processing the plate by the method, wherein the product pattern is the same as the unfolded outer surface of the middle frame of the mobile phone. The inventor finds that the method can greatly reduce the material consumption and cost, reduce the processing time of the numerical control machine tool, and has high production efficiency compared with the prior art that the appearance shape is formed by processing the plate through the numerical control machine tool, and the mobile phone middle frame prepared by the method has beautiful appearance and good precision.
In yet another aspect of the invention, a cell phone middle frame is provided. According to the embodiment of the invention, the mobile phone middle frame is prepared by the method. The inventor finds that the mobile phone middle frame is low in cost, high in yield, short in production period, attractive in appearance and good in precision.
In another aspect of the invention, a handset is provided. According to the embodiment of the invention, the mobile phone comprises the mobile phone middle frame. The inventor finds that the mobile phone has all the features and advantages of the mobile phone middle frame, and the detailed description is omitted here.
Drawings
Fig. 1 shows a schematic flow diagram of a method of processing a sheet material according to an embodiment of the invention.
Fig. 2 shows a schematic flow diagram of a method of processing a sheet material according to another embodiment of the invention.
Fig. 3 shows a schematic flow chart of a method for processing a plate material according to another embodiment of the invention.
Fig. 4 shows a schematic flow chart of a method for processing a plate material according to still another embodiment of the present invention.
Fig. 5a to 5c are schematic flow charts illustrating a method for preparing a middle frame of a mobile phone according to an embodiment of the present invention.
Fig. 6a to 6h are schematic flow charts illustrating a method for preparing a middle frame of a mobile phone according to another embodiment of the present invention.
Fig. 7 shows a three-view of the middle frame of a handset in accordance with one embodiment of the invention.
Reference numerals:
300: the prefabricated part 301: aluminum alloy plate 302: cell phone middle frame pattern 303: the material connection area 304: positioning hole 305: limiting structure
Detailed Description
The following describes embodiments of the present invention in detail. The following examples are illustrative only and are not to be construed as limiting the invention. The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products commercially available.
In one aspect of the invention, a method of processing a sheet material is provided. According to an embodiment of the invention, referring to fig. 1, the method comprises the steps of:
s100: the sheet material is stamped to form at least one preform having a product design.
According to the embodiment of the invention, the plate is punched in the method, a prefabricated member with a product pattern can be directly formed by using a die in the punching process, and then the workpiece can be directly obtained by bending. Therefore, the steps are simple, the workpiece can be quickly manufactured, the material consumption and the cost are greatly reduced, the process machining time of the numerical control machine tool is reduced, the production efficiency is high, the method is particularly suitable for industrial production, the appearance of the workpiece machined by the method is attractive, the precision is good, and the method is particularly suitable for manufacturing the middle frame of the mobile phone.
The specific type of sheet material that may be employed according to embodiments of the present invention is not particularly limited, and those skilled in the art may flexibly select the sheet material as desired, including, but not limited to, sheet metal material, and the like. In some embodiments of the invention, the metal plate may be a stainless steel, aluminum or aluminum alloy plate. Therefore, the material source is wide, the method is suitable for the stamping processing method, the method is particularly suitable for preparing the middle frame of the mobile phone, especially for the mobile phone with glass cover plates at the front and the back, the metal external light can be reflected through the middle frame, and the requirement of a user on the appearance attractiveness of the mobile phone is met.
The forming method of the plate material adopted in this step is not particularly limited according to the embodiment of the present invention, and may be any method known in the art for preparing a plate material, and one skilled in the art may flexibly select the method according to needs. In some embodiments of the present invention, a large sheet of plate material may be formed by a conventional method, and then processed by a punching method to form a plate material having a predetermined size according to the size of a product to be produced, and then the plate material having the predetermined size is punched to form a predetermined pattern.
According to the embodiment of the present invention, the specific shape of the product pattern is not particularly limited, and may be set according to the shape of the target product, and if the target product is a three-dimensional workpiece formed by bending a plate, the product pattern may be consistent with the shape of the outer surface of the three-dimensional workpiece after being unfolded, or in other cases, and a person skilled in the art may flexibly select the product pattern according to actual needs.
According to the embodiment of the present invention, the specific process conditions, parameters, types of dies and devices used in the stamping process are not particularly limited, and those skilled in the art can flexibly select the die according to the material, thickness, product pattern and the like of the plate, and thus, redundant description is not repeated herein.
S200: and bending the prefabricated member.
According to an embodiment of the present invention, after at least one preform having a product pattern obtained by punching a sheet material is bent, the preform is efficiently formed into a workpiece having a three-dimensional shape. Specifically, the specific process conditions, parameters, equipment and the like of bending are not particularly limited, and those skilled in the art can flexibly select the bending conditions, parameters, equipment and the like according to needs.
According to the embodiment of the invention, the bending times and the shape formed after bending can be determined according to different specific workpieces. In some embodiments of the present invention, the planar preform may be formed into a hollow triangular, rectangular-like, regular or irregular polygonal, or other three-dimensional workpiece by bending. In one embodiment of the present invention, the number of bending times may be 3, forming a rectangular-like long tube structure. Therefore, the method can prepare the middle frame of the mobile phone.
In another aspect of the invention, a method of processing a sheet material is provided. According to an embodiment of the invention, referring to fig. 2, the method comprises the steps of:
s10: and performing first stamping on the surface of the plate material to form a predetermined pattern, wherein the predetermined pattern comprises a plurality of product patterns and a plurality of connecting material areas.
The specific type of sheet material that may be employed according to embodiments of the present invention is not particularly limited, and those skilled in the art may flexibly select the sheet material as desired, including, but not limited to, sheet metal material, and the like. In some embodiments of the invention, the metal plate may be a stainless steel, aluminum or aluminum alloy plate. Therefore, the material source is wide, the stamping method is suitable for the stamping method, the middle frame of the mobile phone is suitable for preparing the middle frame of the mobile phone, particularly the mobile phone with the front and the back glass cover plates, the metal external light can be reflected through the middle frame, and the requirement of a user on the appearance attractiveness of the mobile phone is met.
The forming method of the plate material adopted in this step is not particularly limited according to the embodiment of the present invention, and may be any method known in the art for preparing a plate material, and one skilled in the art may flexibly select the method according to needs. In some embodiments of the present invention, a large sheet of plate material may be formed by a conventional method, and then processed by a punching method to form a plate material having a predetermined size according to the size of a product to be produced, and then the plate material having the predetermined size is punched to form a predetermined pattern.
According to the embodiment of the present invention, the specific shape of the predetermined pattern is not particularly limited, and may be flexibly set according to the processing requirement. In some embodiments of the present invention, in order to improve the manufacturing efficiency, a plurality of target products are generally formed on one plate material at the same time, and then the plurality of connected target products are separated to obtain a single target product, so that the predetermined pattern may include a plurality of product patterns, and in order to facilitate the mass production, the predetermined pattern may further include a plurality of connecting regions, which is necessary, and thus, the mass production may be performed, and the production efficiency may be greatly improved. The shape of the specific product pattern is not particularly limited, and may be set to have a target product shape, and if the target product is a three-dimensional workpiece formed by bending a plate, the product pattern may be identical to the shape of the outer surface of the three-dimensional workpiece after being unfolded, or of course, may be in other situations, and those skilled in the art may flexibly select the product pattern according to actual needs. The predetermined pattern obtained by stamping in this step may include not only a planar pattern but also a three-dimensional pattern, for example, an appearance of a curved surface may be formed by stamping.
According to the embodiment of the invention, in order to facilitate the processing, the positioning holes can be formed simultaneously in the first stamping step. Therefore, the plate can be fixed in the subsequent processing process, the processing is facilitated, and the production efficiency, the processing accuracy of the subsequent steps and the yield are improved.
According to the embodiment of the present invention, the specific process conditions, parameters, types of dies and devices used in the first stamping process are not particularly limited, and those skilled in the art can flexibly select the first stamping process according to the material, thickness, predetermined patterns and the like of the plate, and thus, redundant description is not repeated herein.
S20: and carrying out second stamping on the plate according to the preset pattern to form a plurality of prefabricated parts with the product pattern, wherein two adjacent prefabricated parts are connected through at least one connecting area.
According to an embodiment of the present invention, the number of the above-mentioned continuous feeding areas is not particularly limited as long as two adjacent preforms are connected by at least one continuous feeding area. In the present invention, the function of the continuous feeding area is to allow the method of processing a plate material according to the present invention to be used for batch processing, thereby greatly improving production efficiency. Therefore, as long as the condition that two adjacent prefabricated members are connected through the connecting area is met, the next operation of the plurality of prefabricated members can be conveniently carried out at the same time, and only one connecting area or a plurality of connecting areas can be arranged between the two adjacent prefabricated members.
According to an embodiment of the present invention, the specific arrangement of the continuous material region is also not particularly limited as long as it is satisfied that a plurality of preforms can be processed simultaneously. In some embodiments of the present invention, the continuous material regions may be formed at both ends of the preform to simultaneously connect a plurality of preforms, or at least one continuous material region may be formed between the middle positions of two adjacent preforms.
According to the embodiment of the present invention, the specific process conditions, parameters, types of dies used, devices, and the like of the second stamping are not particularly limited, and those skilled in the art can flexibly select the second stamping according to the needs. Therefore, the appearance shape of the product can be effectively formed by a stamping method, the machining time of the numerical control machine tool is greatly reduced, the production effect is high, materials are saved, the production cost is greatly reduced, the position of the material connecting area is only reserved in the step, the time of the subsequent cutting of the material connecting area is reduced, and the machining period is shortened.
S30: bending the plurality of preforms.
According to the embodiment of the invention, the workpiece with a certain three-dimensional shape can be effectively formed by bending the prefabricated member. Specifically, the specific process conditions, parameters, equipment and the like of bending are not particularly limited, and those skilled in the art can flexibly select the bending conditions, parameters, equipment and the like according to needs.
According to the embodiment of the invention, the bending times and the shape formed after bending can be determined according to different specific workpieces. In some embodiments of the present invention, the planar preform may be formed into a hollow triangular, rectangular-like, regular or irregular polygonal, or other three-dimensional workpiece by bending. In one embodiment of the present invention, the number of bending times may be 3, forming a rectangular-like long tube structure. Therefore, the method can prepare the middle frame of the mobile phone.
S40: separating the preform from the preform.
The specific method for separating the preform from the preform according to the embodiment of the present invention is not particularly limited, and one skilled in the art can flexibly select the method as needed as long as the preform can be removed from the preform. In some embodiments of the invention, the cutting may be performed at the junction of the preform with the preform, directly separating the preform from the preform. In other embodiments of the present invention, in order to avoid processing errors and ensure product yield, the continuous material region may be cut, and then the residual continuous material region on the preform may be removed. Therefore, the processing accuracy and the yield are higher.
According to embodiments of the present invention, the specific method for performing the cutting and removing the residual continuous material region is not particularly limited, and a person skilled in the art may flexibly select the method according to needs. Therefore, the cutting precision is higher, the automation degree is higher, and the manual labor intensity is effectively reduced. According to the embodiment of the invention, the specific process conditions, parameters, equipment models and the like of the numerical control machine tool are not particularly limited, and the technical personnel in the field can flexibly select the parameters according to the requirements.
According to an embodiment of the present invention, it has been mentioned that the plate material can be fixed by means of positioning holes in a predetermined pattern when cutting the continuous material area. Therefore, the cutting precision of the continuous material area is higher.
According to another embodiment of the present invention, referring to fig. 3, the method may further include the steps of:
s50: after the first punching and before the second punching, further comprising: a step of removing the excess material by a third press.
According to the embodiment of the invention, in order to ensure the yield and the processing precision in the plate processing process, a certain processing margin is usually reserved, that is, after a predetermined pattern is formed on a plate with a predetermined size, some excess material is reserved in the peripheral edge area, and in this step, the excess material can be removed by a stamping method. Therefore, the target product can be effectively obtained, and the stamping method is simple, short in processing period and easy to realize.
According to the embodiment of the invention, the specific process conditions, parameters, the type of the used die, the equipment and the like of the third stamping are not particularly limited, and the third stamping can be flexibly selected by a person skilled in the art according to the needs.
According to yet another embodiment of the present invention, referring to fig. 4, the method may further include the steps of:
s60: after the first punching and before the third punching, further comprising: and forming a limiting structure through fourth stamping.
According to the embodiments of the present invention, in order to improve the processing accuracy, specific dimensions of a predetermined pattern may be defined after the pattern is formed, and thus, the dimensions of a product pattern may be precisely determined by forming a stopper structure. In the step, the limit structure is formed by a stamping method, so that the operation is simple and convenient, the processing period is short, and the precision is higher.
According to the embodiment of the invention, the specific process conditions, parameters, types of dies and equipment used in stamping are not particularly limited, and those skilled in the art can flexibly select the die according to the needs.
In another aspect of the invention, the invention provides a method for preparing a middle frame of a mobile phone. According to an embodiment of the invention, the method comprises: and processing the plate by using the method, wherein the number of the product patterns is at least one, each product pattern is the same as the outer surface of the expanded middle frame of the mobile phone, and the bent plate forms a quasi-rectangular hollow structure. The inventor finds that the method can greatly reduce the material consumption and cost and reduce the processing time of the numerical control machine tool compared with the prior art that the appearance shape is formed by processing the plate through the numerical control machine tool by stamping the plate once and stamping the excess material to form the target appearance shape, has high production efficiency, and the mobile phone middle frame prepared by the method has beautiful appearance and good precision, and is particularly suitable for the mobile phone with the front and the back glass cover plates.
The method for preparing the middle frame of the mobile phone according to the invention is illustrated by a specific embodiment of the invention. The method comprises the following steps:
firstly, stamping an aluminum alloy plate 301 (refer to fig. 5a) to form at least one prefabricated member 300 (refer to fig. 5b) with a mobile phone middle frame pattern;
and secondly, bending the prefabricated part 300 for 3 times to form a mobile phone middle frame 400 (refer to fig. 5 c).
The method for preparing the mobile phone middle frame according to the invention is illustrated by another specific embodiment of the invention. The method comprises the following steps:
a first step of stamping a predetermined pattern on the surface of an aluminum alloy plate 301, wherein the predetermined pattern comprises a mobile phone middle frame pattern 302, a connecting material area 303 and a positioning hole 304 (refer to fig. 6 a);
secondly, removing redundant materials by a stamping method based on the mobile phone middle frame pattern 302 (refer to fig. 6 b);
third, forming a limit structure 305 by a stamping method (refer to fig. 6 c);
fourthly, stamping the aluminum alloy plate 301 according to the predetermined pattern to form a plurality of prefabricated parts 300 with the mobile phone middle frame pattern 302, wherein two adjacent prefabricated parts 300 are connected through at least one connecting area 303 (refer to fig. 6 d);
fifthly, bending the aluminum alloy plate 301 for 3 times to form a quasi-rectangular long cylinder structure (refer to fig. 6e and 6 f);
sixthly, cutting the continuous material area 303 by using a numerical control machine tool machining method (refer to fig. 6 g);
and seventhly, removing the material connecting area 303 to obtain a mobile phone middle frame (refer to fig. 6 h).
In yet another aspect of the present invention, the present invention provides a middle frame of a mobile phone (the structural schematic diagrams refer to fig. 6h and fig. 7). According to the embodiment of the invention, the mobile phone middle frame is prepared by the method. The inventor finds that the mobile phone middle frame is low in cost, short in production period, attractive in appearance and good in precision, and is particularly suitable for mobile phones with glass cover plates at the front and the rear.
According to the embodiment of the present invention, the mobile phone middle frame has a structure of a general mobile phone middle frame, and will not be described herein in too much detail. Fig. 5a to 5c, fig. 6a to 6h and fig. 7 are only exemplary diagrams illustrating the structure of the mobile phone middle frame of the present invention, and should not be construed as limiting the present invention, and mobile phone middle frames having other structures in the art are also within the protection scope of the present invention.
In another aspect of the invention, a handset is provided. According to the embodiment of the invention, the mobile phone comprises the mobile phone middle frame. The inventor finds that the mobile phone has all the features and advantages of the mobile phone middle frame, and the detailed description is omitted here.
It can be understood by those skilled in the art that, in addition to the aforementioned middle frame of the mobile phone, the mobile phone also has the necessary components and structures that are conventionally provided, and for example, the mobile phone can further include a housing, a CPU, a display module, a touch module, a camera module, a sound system, a necessary circuit structure, and the like, which are not described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A method for preparing a middle frame of a mobile phone is characterized by comprising the following steps:
performing first stamping on the surface of a plate to form a preset pattern, wherein the preset pattern comprises a plurality of product patterns and a plurality of connecting material areas, and the product patterns are the same as the outer surface of the expanded mobile phone middle frame;
performing second stamping on the plate according to the preset pattern to process the continuous material area to form a plurality of prefabricated parts with the product pattern, wherein two adjacent prefabricated parts are connected through at least one processed continuous material area;
bending the plurality of prefabricated members;
separating the preform from the preform.
2. The method of claim 1, wherein after the first stamping and before the second stamping, further comprising:
a step of removing the excess material by a third press.
3. The method of claim 1, wherein after the first stamping and before the second stamping, further comprising:
and forming a limiting structure through fourth stamping.
4. The method of claim 1, wherein the first stamping step forms the pilot holes simultaneously.
5. The method of claim 1, wherein said separating the processed preform region from the preform comprises:
cutting the processed continuous material area; and
and removing the residual continuous material area which is processed on the prefabricated member.
6. The method of claim 5, wherein said separating said processed preform region from said processed preform region is performed by a numerically controlled machine tool processing method.
7. The method of claim 1, wherein the sheet material is a metal sheet material.
8. The method of claim 7, wherein the metal sheet is a stainless steel, aluminum, or aluminum alloy sheet.
9. A cell phone middle frame, which is prepared by the method of any one of claims 1-8.
10. A cellular phone comprising the cellular phone center of claim 9.
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| CN201710915439.0A CN107552638B (en) | 2017-09-30 | 2017-09-30 | Method for processing plate, method for preparing mobile phone middle frame, mobile phone middle frame and mobile phone |
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| CN109759780B (en) | 2017-11-10 | 2022-03-22 | 深圳市欢太科技有限公司 | Method for preparing middle frame, middle frame and mobile terminal |
| CN113411432A (en) * | 2021-07-28 | 2021-09-17 | Oppo广东移动通信有限公司 | Manufacturing method of camera decorating part, camera decorating part and electronic device |
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| JPS57195544A (en) * | 1981-05-27 | 1982-12-01 | Aida Eng Ltd | Manufacture of universal joint |
| JP3602869B2 (en) * | 1994-07-05 | 2004-12-15 | 株式会社協豊製作所 | Progressive press working method |
| CN2626075Y (en) * | 2003-04-25 | 2004-07-14 | 邓莉敏 | A terminal and electric connector using the same |
| CN101945556A (en) * | 2009-07-06 | 2011-01-12 | 康准电子科技（昆山）有限公司 | Metal shell and manufacturing method thereof |
| CN102811264B (en) * | 2011-05-30 | 2015-06-24 | 李树忠 | Mobile phone shell and machining method thereof |
| CN104476108A (en) * | 2014-09-24 | 2015-04-01 | 天津三星通信技术研究有限公司 | Method and device for producing electronic product shell |
| CN105611767B (en) * | 2016-03-03 | 2019-07-26 | 联想(北京)有限公司 | The manufacturing method of a kind of electronic equipment and apparatus casing |
| CN105643214B (en) * | 2016-03-25 | 2017-08-29 | 广东欧珀移动通信有限公司 | The processing method of the rear case component of mobile terminal |
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