CN108581367B - Card holder and manufacturing method thereof - Google Patents
Card holder and manufacturing method thereof Download PDFInfo
- Publication number
- CN108581367B CN108581367B CN201810192284.7A CN201810192284A CN108581367B CN 108581367 B CN108581367 B CN 108581367B CN 201810192284 A CN201810192284 A CN 201810192284A CN 108581367 B CN108581367 B CN 108581367B
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- card
- side part
- carrying
- thinning
- space
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
Abstract
The application provides a card holds in palm, include the cap, from first lateral part, the second lateral part that the lid both sides were preceding to extend the formation, connect at the front end the afterbody and the first card space of carrying of first lateral part and second lateral part, cap, afterbody, first, second lateral part and first year card space are formed through the punching press technology punching press, first, second lateral part outer fringe is pressed thin at the reverse side through the punching press technology and is formed first, second slip step, first, second lateral part is located first inner edge of carrying the card space is close to afterbody position department adopts punching press technology to press thin and form first, second and keeps away the position portion, the inner edge of first, second lateral part openly is located first year card space and is close to cap one end is passed through the cutting of CNC processing technology and is formed first, second and is born the portion. The application also includes a method of manufacturing a card holder.
Description
Technical Field
The application relates to the field of metal processing, in particular to a card holder and a manufacturing method thereof.
Background
An electronic card socket is matched with the inside of the intelligent mobile phone and used for inserting an SIM card and/or a TF card, and an electronic card support with an all-metal structure is generally matched on the current middle-high-end mobile phone brand along with the improvement of user experience requirements. The card support of all-metal structure has better feel and firmness, and is better matched with the electronic card seat.
The existing all-metal card holder is generally manufactured by a whole metal through CNC (computer numerical control), so that the manufacturing cost is high.
For products with higher precision requirements, multiple thinning processes are generally needed in the thinning process of a partial area of a metal plate to achieve the expected precision, and after the first thinning process is performed, when the thinning process is performed again, a thinning punch in the second thinning process is easy to scrape the side face of the step part of the product in the first thinning process to generate redundant metal scraps, so that a die is easy to damage, and the surface of the product is poor.
Disclosure of Invention
In view of the above, it is necessary to provide a card holder and a manufacturing method thereof to solve the problem of high cost of the existing CNC machining card holder.
In order to solve the technical problem, the application provides a card holds in palm, include the cap, certainly the lid both sides are to first lateral part, the second lateral part that the extension formed, connect at the front end the afterbody and the first card space of carrying of first lateral part and second lateral part, cap, afterbody, first, second lateral part and the first card space of carrying are formed through the punching press technology punching press, first, second lateral part outer fringe is thin at the reverse side through the punching press technology and is formed first, second slip step, first, second lateral part is located the inner edge in first year card space is close to afterbody position department adopts the punching press technology to press thin formation first, second to keep away the position portion, the inner edge of first, second lateral part openly is located first year card space and is close to cap one end is passed through the cutting of CNC processing technology and is formed first, second bearing part.
Preferably, one end of the second side portion, which is close to the cover portion, extends into the first card loading space to form a protruding portion, the front surface of the inner edge of the protruding portion is located in the first card loading space, which is close to the cover portion, and the second bearing portion is formed by CNC machining, and the first bearing portion and the second bearing portion are used for bearing a SIM card or a TF card.
Preferably, the card holder further comprises a partition which is located between the first side portion and the second side portion and is connected with the first side portion and the second side portion, and the partition divides the card holder into a first card carrying space and a second card carrying space.
Preferably, the first and second sliding steps at the outer edges of the first and second side portions extend in the plugging direction and penetrate through the periphery of the second card loading space, and the lengths of the first and second sliding steps in the plugging direction are different to prevent errors.
Preferably, the front faces of the inner edges of the first and second side portions are located at the second card loading space, and the third and fourth bearing portions are formed by cutting through a CNC machining process.
In order to solve the above technical problem, the present application further provides a method for manufacturing a card holder, comprising the steps of,
s101, providing a metal plate, and stamping the metal plate to obtain a semi-finished card holder with an integral card holder frame structure; the method comprises the following steps:
firstly, stamping and processing the cover part, the first side part, the second side part, the first card carrying space and the tail part of the card support, adopting a stamping process to thin the first and second avoiding parts on the reverse sides of the inner edges of the first and second side parts, which are positioned in the first card carrying space, and to thin the first and second sliding steps on the outer edges of the first and second side parts;
s102, grinding the semi-finished card holder to remove burrs generated in a stamping process;
s103, carrying out CNC fine machining on the ground semi-finished card holder; the method comprises the following steps:
the front surfaces of the inner edges of the first side part and the second side part are positioned at two sides of the first card loading space to form a first bearing part and a second bearing part through CNC machining cutting;
and S104, carrying out anodic oxidation treatment on the CNC finished card support.
Preferably, one end of the second side portion, which is close to the cover portion, extends into the first card loading space to form a protruding portion, the front surface of the inner edge of the protruding portion is located in the first card loading space, which is close to the cover portion, and the second bearing portion is formed by CNC machining, and the first bearing portion and the second bearing portion are used for bearing a SIM card or a TF card.
Preferably, the thinning process for the first and second avoiding portions and the first and second sliding steps in step S101 includes:
firstly, carrying out first stamping and thinning operation on the metal plate, fixing the metal plate through a base and a material pressing block, and thinning a to-be-thinned area through a first thinning punch; forming a base body part, a thinning area and a step at the joint of the base body part and the thinning area on the metal sheet material;
subsequently, the thinning zone is thinned again by means of a second thinning punch, at which time a scratch-resistant gap of 0.02 to 0.08mm exists between the second thinning punch and the step flank.
Preferably, during the first punching and thinning operation, the bottom surface of the first thinning punch forms an included angle of 0.5-2 degrees with the horizontal plane, and the opening direction of the included angle faces the outer side of the thinning area.
Preferably, a scratch-proof gap of 0.05mm exists between the second thinning punch and the step side face.
The manufacturing method of the card support comprises the step of firstly processing the frame structure of the card support through a stamping process, wherein the frame structure comprises all structures on the reverse sides of the first side part and the second side part of the card support, namely the structures of the first sliding step, the second sliding step, the first avoiding part and the second avoiding part. And finally, only the first bearing part, the second bearing part, the third bearing part and the fourth bearing part on the front surfaces of the first side part and the second side part are left in the area needing CNC machining, so that the CNC machining cost is greatly reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.
FIG. 1 is a reverse perspective view of a stamped blank of the card holder of the present application;
FIG. 2 is a front perspective view of a punched blank of the card holder of the present application;
FIG. 3 is a reverse side view of the semi-finished card holder of the present application after CNC finishing;
FIG. 4 is a front view of a semi-finished card holder of the present application after CNC finishing;
fig. 5 is a schematic view of a stamping process flow of the method for thinning a metal plate in a regional manner.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example 1
Referring to fig. 1 to 4, the card holder of the present application includes a cover 10, a first side 20 and a second side 30 extending forward from two sides of the cover 10, a tail 40 connecting the first side 20 and the second side 30 at the front end, and a barrier 50 connecting the first side 20 and the second side 30 at the middle portion. The partition 50 divides the card holder into a first card carrying space 60 and a second card carrying space 70.
The first card loading space 60 is an alternative structure, and can be selectively loaded with a SIM card or a TF card, and the second card loading space 70 is a SIM card loading space.
The outer edge of the first side portion 20 is thinned at the reverse side to form a first sliding step 21. The outer edge of the second side portion 30 is thinned at the reverse side to form a second sliding step 31, and a concave portion 32 is further punched on the second sliding step portion 31. The lengths of the first sliding step 21 and the second sliding step 31 which are thinned in the plugging direction are different to form a misplug prevention structure.
The first side portion 20 is located at a position of the inner edge of the first card loading space 60 close to the second card loading space and is thinned by a stamping process to form a first clearance portion 22, and the second side portion 30 is located at a position of the inner edge of the first card loading space 60 close to the second card loading space and is thinned by a stamping process to form a second clearance portion 33. The first and second avoiding portions 22,33 keep the inner edges of the first and second side portions 20,30 in a straight line on the reverse side to avoid the internal guiding structure of the cassette, and the inner edges of the reverse side portions 20,30 extend backwards from the insertion end in a straight line so as not to form an obstruction.
The first avoiding portion 22 has no wall portion at both ends in the length direction, so that metal flow extrusion is easy during stamping and extrusion, and the metal flow extrusion can be thinned by a stamping process. Although the second stopper 33 has a wall portion at the rear end in the longitudinal direction, the width of the second stopper 33 is small, and the metal flow is easily extruded by a press process. The front surfaces of the first and second clearance portions 22 and 33 are used for limiting the TF card loaded in the first card loading space 60.
Referring to fig. 2 and 4, fig. 2 is a semi-finished punched card holder, and fig. 4 is a finished card holder after CNC (computer numerical control) finishing. The inner edge of the first side portion 20 is located at the first card carrying space 60 and is close to one end of the cover portion 10 to form a first carrying portion 25 by CNC machining, the second side portion 30 is close to one end of the cover portion and extends into the first card carrying space 60 to form a protruding portion 35, the inner edge of the protruding portion 35 is located at the first card carrying space 60 and is close to one end of the cover portion 10 to form a second carrying portion 351 by CNC machining, and the first carrying portion 25 and the second carrying portion 351 can be used for carrying SIM cards or TF cards.
The inner edge front faces of the first and second side portions 20,30 are located at the second card loading space 70 to form the third and fourth loading portions 24,34 for loading the SIM card by CNC processing. The cover part 10 is finished by CNC machining to obtain a finished product.
The card support is manufactured by adopting a stamping process except that the first bearing part, the second bearing part, the third bearing part and the fourth bearing part 25,351,24 and 34 and the cover part 10 are machined by adopting CNC, so that the CNC machining cost is greatly reduced.
The manufacturing method of the card support comprises the following steps:
s101, providing a metal plate, and stamping the metal plate to obtain a semi-finished card holder with an integral card holder frame structure;
this step is to stamp the cover blank, the first and second side portions 20,30, the first and second card-carrying spaces 60,70, the tail portion 40 and the partition 50 of the card holder. And the first and second avoiding portions 22,33 on the opposite sides of the inner edges of the first and second side portions 20,30 in the first card loading space 60 are thinned, and the first and second sliding steps 21,31 on the outer edges of the first and second side portions 20,30 are thinned.
S102, grinding the semi-finished card holder to remove burrs generated in a stamping process;
s103, carrying out CNC fine machining on the ground semi-finished product of the card holder;
in this step, the CNC machining is mainly to cut the front surfaces of the inner edges of the first and second side portions 20,30 at both sides of the first and second card loading spaces 60,70 to form the first and second bearing portions 25,351 and the third and fourth bearing portions 24, 34. While performing CNC finish machining on the cover portion 10 to remove the continuous material structure in the stamping process.
And S104, anodizing the CNC finished card support to obtain better appearance stability.
In the manufacturing method of the card holder, the frame structure of the card holder is firstly processed by a stamping process, and comprises all structures on the reverse sides of the first and second side parts 20 and 30 of the card holder, namely structures such as the first and second sliding steps 21 and 31 and the first and second avoiding parts 22 and 33. Finally, the CNC machining area is only left in the first bearing portion 25, the second bearing portion 351, the third bearing portion 24 and the fourth bearing portion 34 on the front surfaces of the first side portion 20 and the second side portion 30, so that the CNC machining cost is greatly reduced.
The card holder and the manufacturing method of the application are also suitable for manufacturing the card holder with the single card structure, for example, the second card carrying space 70 is removed, and only the first card carrying space 60 is needed.
Example 2
Referring to fig. 5, the present application further includes a method for thinning a metal plate in a region, which is suitable for thinning an outer portion of the metal plate, and is also suitable for thinning the first and second sliding steps 21,31 and the first and second positioning portions 22,33 of the card holder in embodiment 1.
The method for regionally thinning the metal plate area comprises the following steps:
s201, carrying out first stamping and thinning operation on the provided metal plate 80;
in the step, the area, which is not required to be thinned, of the metal plate 80 is fixed with the material pressing block 92 through the base 91, the first thinning punch 93 thins the area, which is required to be thinned, of the metal plate 80 for the first time, at this time, an included angle a (shown in the figure) of 0.5-2 degrees is designed between the bottom surface of the first thinning punch 93 and the horizontal plane, the included angle a is preferably 1 degree, and the opening of the included angle faces the outer side of the metal plate 80 so that metal can flow outwards in the extrusion process. The first thinning forms a step 83 at the junction of the thinned region 81 of the metal plate 80 and the base portion 82.
S202, carrying out secondary stamping and thinning on the metal plate 80 subjected to the primary stamping and thinning;
in this step, the base portion 82 of the metal plate 80, which does not need to be thinned, is fixed to the swaging block 92 through the base 91, and the second thinning punch 94 continues to press the thinning area 81 downward, at this time, a scratch-proof gap of 0.02 to 0.08mm, preferably 0.05mm, is designed between the edge of the second thinning punch 94 and the side surface of the step 83. By such design, when the second thinning punch 94 is pressed down, the second thinning punch does not scrape the side surface of the step 83 due to error, so that redundant metal chips are not generated, the die is damaged by the redundant metal chips, and the product cannot be discharged to damage the product, so that the defect is caused. The bottom surface of the second ironing punch 94 is parallel to the horizontal plane.
In step S201 and step S202, the same set of mold can be used, and the positioning error caused by product variation can be avoided by only replacing the first and second ironing punches 93 and 94.
According to the regional thinning method for the metal plate, a certain gap is designed between the second thinning punch 94 and the step 83 during the second thinning, so that the step 83 cannot be scraped by the second thinning punch 94 during the second thinning, and the phenomenon that a die is damaged and a product is damaged due to generation of metal chips is avoided.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. A card holder is characterized by comprising a cover part, a first side part, a second side part, a tail part and a first card carrying space, wherein the first side part and the second side part are formed by extending forwards from two sides of the cover part, the tail part is connected with the first side part and the second side part at the front end, the cover part, the tail part, the first side part, the second side part and the first card carrying space are formed by stamping through a stamping process, the outer edges of the first side part and the second side part are thinned through the stamping process at the reverse side to form a first sliding step and a second sliding step, the inner edges of the first side part and the second side part are positioned at the position, close to the tail part, of the first card carrying space, the reverse side is thinned through the stamping process to form a first position avoiding part and a second position avoiding part, the first position avoiding part and the second position avoiding part enable the inner edges of the first side part and the second side part to be kept in a straight line at the reverse side to avoid a guide structure in the card holder, the card support further comprises a partition fence which is positioned between the first side part and the second side part and connected with the first side part and the second side part, the partition fence divides the card support into a first card carrying space and a second card carrying space, the front surfaces of the inner edges of the first side part and the second side part are positioned at one end, close to the cover part, of the first card carrying space and are cut through a CNC machining process to form a first bearing part and a second bearing part, and the front surfaces of the inner edges of the first side part and the second side part are positioned at the second card carrying space and are cut through the CNC machining process to form a third bearing part and a fourth bearing part.
2. The method for manufacturing a card holder according to claim 1, wherein the second side portion is formed to extend into the first card-loading space near one end of the cover portion to form a protruding portion, the front surface of the inner edge of the protruding portion is located at one end of the first card-loading space near the cover portion to form the second carrying portion by CNC machining, and the first carrying portion and the second carrying portion are used for carrying a SIM card or a TF card.
3. The card holder of claim 2, wherein the first and second sliding steps of the first and second side edges extend in the insertion and extraction direction and penetrate the periphery of the second card-carrying space, and the lengths of the first and second sliding steps in the insertion and extraction direction are different to prevent erroneous insertion.
4. The method of manufacturing a card tray according to claim 1, comprising the steps of,
s101, providing a metal plate, and stamping the metal plate to obtain a semi-finished card holder with an integral card holder frame structure; the method comprises the following steps:
firstly, stamping and forming a cover part, a first side part, a second side part, a first card carrying space and a tail part of the card support, adopting a stamping process to thin a first avoiding part and a second avoiding part which are positioned at the first card carrying space on the back sides of the inner edges of the first side part and the second side part, and thin a first sliding step and a second sliding step which are positioned at the back sides of the outer edges of the first side part and the second side part, wherein the first avoiding part and the second avoiding part enable the inner edges of the first side part and the second side part to keep a linear shape on one side of the back sides so as to avoid an internal guide structure of the card holder, and the front sides of the first avoiding part and the second avoiding part are used for limiting the TF card loaded in the first card carrying;
s102, grinding the semi-finished card holder to remove burrs generated in a stamping process;
s103, carrying out CNC fine machining on the ground semi-finished card holder; the method comprises the following steps:
the card support also comprises a partition fence which is positioned between the first side part and the second side part and is connected with the first side part and the second side part, the partition fence divides the card support into a first card carrying space and a second card carrying space, and the front surfaces of the inner edges of the first side part and the second side part are positioned at two sides of the first card carrying space to form a first bearing part and a second bearing part through CNC machining cutting; the front surfaces of the inner edges of the first side part and the second side part are positioned at two sides of the second card loading space to form a third bearing part and a fourth bearing part through CNC machining cutting;
and S104, carrying out anodic oxidation treatment on the CNC finished card support.
5. The method for manufacturing a card holder according to claim 4, wherein the second side portion is formed to extend into the first card-loading space near one end of the cover portion to form a protruding portion, the front surface of the inner edge of the protruding portion is located at one end of the first card-loading space near the cover portion to form the second carrying portion by CNC machining, and the first carrying portion and the second carrying portion are used for carrying a SIM card or a TF card.
6. The method for manufacturing a card holder according to claim 4 or 5, wherein the thinning process for the first and second clearance portions and the first and second sliding steps in step S101 includes:
firstly, carrying out first stamping and thinning operation on the metal plate, fixing the metal plate through a base and a material pressing block, and thinning a to-be-thinned area through a first thinning punch; forming a base body part, a thinning area and a step at the joint of the base body part and the thinning area on the metal sheet material;
subsequently, the thinning zone is thinned again by means of a second thinning punch, at which time a scratch-resistant gap of 0.02 to 0.08mm exists between the second thinning punch and the step flank.
7. The method of manufacturing a card tray as set forth in claim 6, wherein, in the first punching and thinning operation, the bottom surface of the first thinning punch forms an angle of 0.5 to 2 degrees with the horizontal plane, and the opening direction of the angle is directed to the outside of the thinning region.
8. The method of manufacturing a card tray of claim 6, wherein a scratch gap of 0.05mm exists between the second ironing punch and the step side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810192284.7A CN108581367B (en) | 2018-03-08 | 2018-03-08 | Card holder and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810192284.7A CN108581367B (en) | 2018-03-08 | 2018-03-08 | Card holder and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN108581367A CN108581367A (en) | 2018-09-28 |
| CN108581367B true CN108581367B (en) | 2020-09-22 |
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| US20110157847A1 (en) * | 2009-12-30 | 2011-06-30 | Shenzhen Futaihong Precision Industry Co., Ltd. | Surface contact card holder for electronic device |
| US20130063910A1 (en) * | 2011-09-09 | 2013-03-14 | Hon Hai Precision Industry Co., Ltd. | Card holding mechanism and electronic device |
| CN204992145U (en) * | 2015-08-14 | 2016-01-20 | 广东欧珀移动通信有限公司 | Card holds in palm prevents anti - mobile terminal who inserts structure and have this structure |
| CN105826730A (en) * | 2015-09-09 | 2016-08-03 | 维沃移动通信有限公司 | Card combination connection device and electronic equipment |
| CN105834678A (en) * | 2015-04-22 | 2016-08-10 | 维沃移动通信有限公司 | Manufacture method of structural member |
| CN206060834U (en) * | 2016-07-01 | 2017-03-29 | 维沃移动通信有限公司 | A kind of Kato inverse plugging mechanism and mobile terminal |
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2018
- 2018-03-08 CN CN201810192284.7A patent/CN108581367B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110157847A1 (en) * | 2009-12-30 | 2011-06-30 | Shenzhen Futaihong Precision Industry Co., Ltd. | Surface contact card holder for electronic device |
| US20130063910A1 (en) * | 2011-09-09 | 2013-03-14 | Hon Hai Precision Industry Co., Ltd. | Card holding mechanism and electronic device |
| CN105834678A (en) * | 2015-04-22 | 2016-08-10 | 维沃移动通信有限公司 | Manufacture method of structural member |
| CN204992145U (en) * | 2015-08-14 | 2016-01-20 | 广东欧珀移动通信有限公司 | Card holds in palm prevents anti - mobile terminal who inserts structure and have this structure |
| CN105826730A (en) * | 2015-09-09 | 2016-08-03 | 维沃移动通信有限公司 | Card combination connection device and electronic equipment |
| CN206060834U (en) * | 2016-07-01 | 2017-03-29 | 维沃移动通信有限公司 | A kind of Kato inverse plugging mechanism and mobile terminal |
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| CN108581367A (en) | 2018-09-28 |
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