KR101639391B1 - The Manufacturing Method of the Cover of SIM Tray for Mobile Terminal - Google Patents

The Manufacturing Method of the Cover of SIM Tray for Mobile Terminal Download PDF

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Publication number
KR101639391B1
KR101639391B1 KR1020150165527A KR20150165527A KR101639391B1 KR 101639391 B1 KR101639391 B1 KR 101639391B1 KR 1020150165527 A KR1020150165527 A KR 1020150165527A KR 20150165527 A KR20150165527 A KR 20150165527A KR 101639391 B1 KR101639391 B1 KR 101639391B1
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KR
South Korea
Prior art keywords
support frame
primary
molding
cover
striking
Prior art date
Application number
KR1020150165527A
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Korean (ko)
Inventor
장영주
최두선
김혜란
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(주)우리일렉
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Priority to KR1020150165527A priority Critical patent/KR101639391B1/en
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Publication of KR101639391B1 publication Critical patent/KR101639391B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F45/00—Wire-working in the manufacture of other particular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F5/00—Upsetting wire or pressing operations affecting the wire cross-section
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K13/00—Conveying record carriers from one station to another, e.g. from stack to punching mechanism
    • G06K13/02—Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier having longitudinal dimension comparable with transverse dimension, e.g. punched card
    • G06K13/08—Feeding or discharging cards
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
    • G06K7/0021—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers for reading/sensing record carriers having surface contacts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

The present invention relates to a manufacturing method of a cover of a SIM tray for a mobile terminal and, more specifically, relates to a manufacturing method of a cover of a SIM tray for a mobile terminal, which minimizes a moving path of a material for forming and processing a SIM tray cover and a processing device to increase productivity, and significantly reduce time consumed for manufacturing the SIM tray cover. According to the present invention, the manufacturing method of a cover (120) of a SIM tray for a mobile terminal comprises: a material supply step (S10); a primary processing step (S20); a material transfer step (S30); a secondary processing step; and a press processing step.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a manufacturing method of a SIM tray cover for a mobile terminal,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing a lid for a shim tray used for inserting a SIM card into a mobile terminal, and more particularly, Through the forging process, the movement path of the material and the processing device for forming the shim cover lid is minimized, thereby increasing the production amount per unit time, simplifying the removal and finishing process of the burr generated during forging of the material, To a manufacturing method of a shim cover for a mobile terminal which significantly reduces the time required for manufacturing a cover.

In general, a mobile terminal such as a smart phone is generally used by inserting a SIM card (Subscriber Identification Module Card) containing information for identifying a subscriber or a small memory card for storing data into a slot.

The SIM card is inserted into a slot of a portable terminal and is detachably coupled to the socket so as to be able to communicate while being in contact with an internal contact terminal. When the SIM card is inserted into the slot of the mobile terminal, The SIM card 100 is inserted into the SIM card slot H1 of the mobile terminal H after the SIM card S is seated in the SIM card seating part 110 of the SIM card 100, So that the shim tray 100 is detachably coupled to the shim H.

2, the shim tray 100 for mounting the conventional SIM card S in the socket of the mobile terminal slot H1 includes a SIM card mounting part 110 on which the SIM card S is seated, A shim cover 120 which hermetically seals the slot H1 of the mobile terminal H after being inserted into the slot H1 of the mobile terminal H to prevent foreign foreign matter such as dust from entering into the mobile terminal through the slot, Conventionally, the shim cover 120 is formed of a metal material in the same manner as the material for forming the outer edge of a mobile terminal provided with a slot, and is usually made of a metal material such as NC (Numerical Control) or CNC (Computer Numerical Control) A SIM card mounting part 110 which is generally made of a synthetic resin material is inserted and injected into a metal tray cover 120 of a metallic material produced by NC or CNC processing, .

As described above, when manufacturing the conventional metal shim cover cover using NC or CNC machine tools, it takes a long time to manufacture and produce, resulting in a low production efficiency and a problem of raising production cost due to an increase in production cost have.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to minimize the movement path of materials and processing apparatuses for forming the shim cover lid through multiple forging processes, However,

Removal of burr generated during forging of material and simplification of finishing process can save the time and effort required for finishing process and greatly reduce production cost and product cost for shim cover .

According to an aspect of the present invention, there is provided a SIM terminal cover for a mobile terminal (120) for manufacturing a SIM tray cover for a mobile terminal through a plurality of steps of forging using a metallic wire material (10) for cutting the metallic wire material (11) by a predetermined length and transferring the metallic wire material (11) to the primary molding support frame (20); The metallic wire material 11 transferred to the primary molding support frame 20 is transferred to the primary molding support frame 20 by using the primary striking part 40 provided at a position facing the primary molding support frame 20 at a predetermined distance, A primary machining step (S20) of blowing to the molding hole (21) inside the center of the primary molding support frame (20) and molding the same into a predetermined thickness; After the primary machining step (S20), the primary striking part (40) moves upward and the secondary striking part (50) moves upward to the opposed position of the primary forming support frame (20) The material 11 inserted into the molding hole 21 in the center of the car molding support frame 20 is transferred and inserted into the material insertion hole 51 inside the center of the secondary striking part 50, The secondary striking part 50 having the material 11 transferred to the material insertion hole 51 is moved downward to the opposite position of the secondary molding support frame 30 and the material 11 inserted into the material insertion hole 51 is moved downward. (S30) for transferring the material to the secondary molding support frame (30) side; After the material transferring step, the secondary striking part 50 moves upward to move the tertiary striking part 60 upward to the opposed position of the secondary molding supporting frame 30, and the tertiary striking part 60 are formed by stamping the material 11 placed on the secondary molding support frame 30 and protruding from the inner surface of the cover part 121 and the cover part 121 by a predetermined distance And a peripheral burr 130 is formed around the cover part 121. After the striking of the third striking part 60, the secondary molding support frame 30) for discharging the material (11) to the outside; And a pressing step of removing the peripheral burr 130 of the material 11 by processing the material 11 discharged to the outside through the secondary processing step by a press 140. [ A method of manufacturing a shim cover (120) for a mobile terminal is provided.

In the method for manufacturing the shim cover 120 for a mobile terminal according to the present invention, the primary molding support frame 20 has a molding hole 21 formed in the center thereof at a predetermined length, and the molding hole 21 And the primary striking part 40 is formed such that the primary striking rod 41 is protruded by a predetermined length and the primary striking part 40 is formed in the primary staging step S20 The material 11 can be inserted into the molding hole 21 of the primary molding support frame 20 by the primary striking rod 41 of the primary striking section 40 and press-

The secondary striking part 50 preferably has a material insertion hole 51 formed in the center thereof with a predetermined length and a secondary striking rod 52 movable along the material striking hole 51 Wherein in the material transferring step S30 the material 11 inserted into the molding hole 21 of the primary molding support frame 20 is moved forward by the material transferring rod 22, Into the material insertion hole 51 of the secondary striking part 50 placed in contact with the front surface of the molding support frame 20 and the material 11 is transferred to the material insertion hole 51 The car striking part 50 moves downward to the opposite position of the secondary molding support frame 30 and then moves the material 11 located in the material insertion hole 51 to the forward position of the secondary striking rod 52 To the secondary molding support frame 30,

More preferably, in the secondary working step, the third striking part 60 blow-forms the material 11 placed on the secondary molding supporting frame 30, The cover portions 121 in which the insert engaging portions 122 are formed are simultaneously formed in a pair in the material 11 and in the pressing step, (130) can be removed by machining a single press (140).

The manufacturing method of the shim cover for a mobile terminal according to the present invention minimizes the movement path of the material and the processing apparatus for forming the shim cover by performing a plurality of steps of forging to significantly increase the shim cover cover production per unit time However,

In addition, the surface roughness of the lid surface can be smoothly forged, so that it is possible to omit the surface processing, and it is possible to simplify the process of removing the burr generated during the forging process of the material and the finishing process, And it is possible to significantly reduce the production cost and the product unit cost for the shim cover cover.

1 is a perspective view showing a mobile terminal, a SIM card, and a SIM card tray, each having a SIM card slot in a conventional outer frame;
2 is an exploded perspective view showing a conventional card tray;
3 is a process block diagram showing a stepwise process for manufacturing a shim cover for a mobile terminal according to the present invention;
FIG. 4 is a cross-sectional process diagram illustrating a method of manufacturing a shim cover for a mobile terminal according to the present invention, in which a metallic wire material is cut to a predetermined length and is transported to a primary molding support frame;
5A and 5B are cross-sectional process diagrams illustrating a first machining step in a method of manufacturing a shim cover for a mobile terminal according to the present invention;
FIGS. 6A, 6B, 6C and 6D are cross-sectional process diagrams illustrating a material transfer step in the method of manufacturing a shim cover for a mobile terminal according to the present invention; FIGS.
FIGS. 7A, 7B and 7C are cross-sectional process diagrams illustrating a second machining step in a method of manufacturing a shim cover for a mobile terminal according to the present invention; FIGS.
FIGS. 8A and 8B are cross-sectional process diagrams illustrating press forming steps in a method of manufacturing a shim cover for a mobile terminal according to the present invention; FIGS. And
FIG. 9 is a perspective view showing a separate shim of the shim cover for a mobile terminal manufactured through the manufacturing method of the shim cover for a mobile terminal according to the present invention;

Hereinafter, embodiments of the present invention in which the above object can be specifically realized will be described with reference to the accompanying drawings. In describing the embodiments, the same names are denoted by the same reference numerals, and further description thereof will be omitted below.

In addition, each of the devices described below is fixed to an end portion of a piston reciprocating linearly by a hydraulic or pneumatic pressure change of a hydraulic or pneumatic cylinder so as to perform a linear reciprocating motion. However, such a fixed connection structure is generally used in the technical field of the present invention The description will be omitted in the following.

FIG. 3 is a process block diagram showing a method of manufacturing the shim cover 120 for a mobile terminal according to the present invention, and FIG. 4 is a view illustrating a method of manufacturing a shim cover 120 for a mobile terminal according to the present invention, 5A and 5B are cross-sectional process diagrams showing that the metallic wire material 11 is cut to a predetermined length and transferred to the primary molding support frame 20. FIGS. 5A and 5B are cross- 1 is a cross-sectional process diagram showing a primary processing step in the method of the present invention.

6A, 6B, 6C and 6D are cross-sectional process drawings showing the material transferring step in the method of manufacturing the shim cover 120 for a mobile terminal according to the present invention, and Figs. 7A, 7B and 7C FIGS. 8A and 8B are cross-sectional views illustrating a process of manufacturing a shim cover 120 for a mobile terminal according to the present invention, FIG. 9 is a cross-sectional process diagram illustrating a manufacturing process of a press 140. FIG. 9 is a cross-sectional view illustrating a process of manufacturing the presser foot 140 of the mobile terminal shoe cover 120 according to the present invention. Is a perspective view showing a separate perforation process.

1, a method for manufacturing a shim cover 120 for a mobile terminal according to the present invention includes a step of forming a shim cover 120 for a mobile terminal through a plurality of forging processes using a metallic wire material 11, The present invention also provides a method of manufacturing a shim cover for a mobile terminal, comprising the steps of: supplying a metallic wire material (11) to an apparatus; feeding the supplied material (11) A material feeding step for feeding the material 11 molded and inserted into the primary forming support frame 20 during the primary processing step to the front of the secondary forming support frame 30, A second machining step of forming the circumferential burr 130 and forming the shim cover 11 into the shape of the shim tray lid 120 and a second machining step of forming the material 11 through a plurality of forging processes on one press 140 The circumferential burr 130 around the shim cover 120 And a press machining step of removing the metal plate.

4, the metallic wire material 11 is cut into a predetermined length and transferred to the center front of the primary molding support frame 20, and preferably, the material supply step (S10) (10) is provided at a predetermined distance from one side of the left and right sides of the primary molding support frame (20) so that the material transferring part (10) cuts the metallic wire material (11) So that it can be transferred to the inlet side of the molding hole 21 of the primary molding support frame 20.

As shown in FIGS. 5A and 5B, the primary machining step S20 includes a primary striking portion 40 having a primary striking rod 41 protruding from a central portion at a predetermined length, At a position opposite to the primary molding support frame 20 in which the hole 21 is formed to have a predetermined length and the material transferring rod 22 is movable along the molding hole 21, (11) placed in front of the molding hole (21) of the primary molding support frame (20) with the forward movement of the primary molding support frame (40) and the primary striking rod (41) And the material 11 is formed into a predetermined thickness by press-molding while being inserted into the molding hole 21.

6A, 6B, 6C, and 6D, a material insertion hole 51 is formed in the center of the secondary striking portion 50 to a predetermined length, A secondary striking rod 52 is provided movably along the hole 51. The primary striking portion 40, the secondary striking portion 50 and the tertiary striking portion 60 fixedly coupled to the one fixed block 70 are moved upward and downward together with the fixed block 70, And the primary striking unit 40 and the secondary striking unit 50 are also moved upward by the upward movement of the fixed block 70 so that the secondary striking unit 50 is moved to the primary molding supporting frame 20 And the material transferring rod 22 of the primary molding support frame 20 comes into contact with the primary molding support frame 20 while the secondary striking part 50 advances and comes into contact with the primary molding support frame 20, The material 11 inserted into the material insertion hole 51 is inserted and transferred to the material insertion hole 51 side of the secondary striking portion 50 and the material 11 inserted into the material striking hole 51 is transferred to the secondary striking portion 50 50 move downward to the opposite position of the secondary molding support frame 30 along with the downward movement of the fixed block 70 and the secondary impact portion moves forward by the forward movement of the fixed block 70, While the car striking rod 52 moves forward, The material 11 is inserted into the insertion hole 51 in the front face of the secondary-forming support frame 30 and is thereby transferred.

After the material transferring step, as shown in Figs. 7A, 7B and 7C, in the secondary machining step S40, after the backward movement of the fixed block 70 and the upward movement, the primary striking part 40 The secondary striking portion 50 and the tertiary striking portion 60 are moved back together and moved upward so that the striking portion 60 is moved to the opposed position of the secondary molding support frame 30 . The third striking part 60 moved to the opposed position of the secondary molding support frame 30 is subjected to hot stamping of the material 11 placed on the secondary molding support frame 30, A cover 121 is formed on the side surface and an insert engaging part 122 is formed on the other side of the material 11 so as to protrude a predetermined distance. A circumferential burr And the material 11 is discharged to the outside from the secondary molding support frame 30 after the third striking part 60 is struck.

7A, 7B and 7C, it is preferable that a flat flat surface portion 61 is provided on the front surface of the tertiary striking portion 60, and the flat surface portion 61 is provided with a predetermined interval A pair of cover part forming grooves 62 are formed so as to be spaced apart from each other. In addition, a pair of insert-coupling-portion molding holes 32 are formed in the tertiary-molding support frame so as to be spaced apart from each other by a predetermined distance, and the insert-coupling-portion molding holes 32 are formed in the respective insert- And a material discharging rod 33 is provided so as to be able to move along the secondary molding support frame 30 so that the tertiary striking part 60 presses the material 11 positioned in front of the secondary molding supporting frame 30, A pair of cover portions 121 are formed on one side surface of the material 11 through a pair of cover portion molding grooves 62 of the third striking portion 60, A pair of insert engaging portion forming grooves 31 of the tertiary forming support frame located opposite to the cover forming grooves 62 and an insert engaging portion formed to communicate with the pair of insert engaging portion forming grooves 31 The other side of the material 11 is pressed by the sub-molding hole 32 and the other side of the material 11 is positioned inside the pair of insert- The other end of the material 11 is pushed into the end surface of the base material discharge rod 33 to form the insert engagement portion 122. After the striking of the tertiary striking portion 60, So that the material 11 can be discharged to the outside from the secondary molding support frame 30 through the forward movement of the presser foot 141. As shown in FIGS. 8A and 8B, the pair of press rams 141 and the elastic By providing a pair of material supporting rods 142 that respectively receive the support of the spring 143, the material 11 in which the pair of shim tray covers 120 discharged in the secondary processing step are formed is pressed in one press ( The pair of shim covers 120 can be removed from the pair of shim covers 120 through a single secondary processing step and a pressing step, So that a large amount of the shim cover 120 can be produced within a short period of time. .

The press working step S50 is a general press 140 processing step. As shown in FIGS. 8A and 8B, the material 11 discharged to the outside through the secondary working step S40 is pressed once The peripheral burr 130 around the cover portion 121 is removed through the press 140 process.

It is preferable to provide a pair of material support rods 142 that receive the support of the pair of press rams 141 and the elastic springs 143, The peripheral burr 130 around the lid 120 can be removed by a single press 140 process.

9, the cover 121 of the shim cover 120 is provided with an extraction hole (not shown) at one side thereof so that the shim tray 100 inserted into the slot of the mobile terminal can be easily extracted, 123 may be formed or a separate drilling process may be added to form the engaging hole 124 for insert machining of the sim card seating portion 110.

As described above, the method for manufacturing the shim cover 120 for a mobile terminal according to the present invention is a method for manufacturing a shim cover 120 for a mobile terminal, The production amount of the shim cover 120 per unit time can be remarkably increased,

Further, the surface roughness of the lid surface can be smoothly forged, so that it is possible to omit a separate surface machining, simplify the removal of the burr 130 generated during the forging process of the material 11 and the finishing process, It is possible to reduce the time and effort required for the shim cover 120, and significantly reduce the production cost and the product unit cost.

It is to be understood by those skilled in the art that the present invention may be embodied in many other forms without departing from the spirit and scope of the invention,

Accordingly, the above-described embodiments are to be considered illustrative and not restrictive, and all embodiments within the scope of the appended claims and their equivalents are intended to be included within the scope of the present invention.

10: Material transfer part 11: Metallic wire material
20: primary molding supporting frame 21: molding hole
22: Material feed rod
30: secondary molding supporting frame 31: insert coupling part molding groove
32: insert coupling part molding hole 33: material discharge rod
40: primary striking part 41: primary striking rod
50: secondary striking part 51: material inserting hole
52: secondary striking rod
60: tertiary striking part 61: flat part
62: Cover part forming groove
70: fixed block
100: shim tray 110:
120: shim cover 121: cover part
122: insert coupling part 123: extraction hole
124: coupling ball 130:
140: Press 141: Press Lam
142: Material support rod 143: Elastic spring

Claims (4)

A manufacturing method of a shim cover (120) for a mobile terminal for manufacturing a SIM tray cover for a mobile terminal through a plurality of steps of forging using a metallic wire material,
A material feeding step (S10) of cutting the metallic wire material (11) by a predetermined length and transferring the metallic wire material (11) to the primary molding support frame (20);
The metallic wire material 11 transferred to the primary molding support frame 20 is transferred to the primary molding support frame 20 by using the primary striking part 40 provided at a position facing the primary molding support frame 20 at a predetermined distance, A primary machining step (S20) of blowing to the molding hole (21) inside the center of the primary molding support frame (20) and molding the same into a predetermined thickness;
After the primary machining step (S20), the primary striking part (40) moves upward and the secondary striking part (50) moves upward to the opposed position of the primary forming support frame (20) The material 11 inserted into the molding hole 21 in the center of the car molding support frame 20 is transferred and inserted into the material insertion hole 51 inside the center of the secondary striking part 50, The secondary striking part 50 having the material 11 transferred to the material insertion hole 51 is moved downward to the opposite position of the secondary molding support frame 30 and the material 11 inserted into the material insertion hole 51 is moved downward. (S30) for transferring the material to the secondary molding support frame (30) side;
After the material transferring step, the secondary striking part 50 moves upward to move the tertiary striking part 60 upward to the opposed position of the secondary molding supporting frame 30, and the tertiary striking part 60 are formed by stamping the material 11 placed on the secondary molding support frame 30 and protruding from the inner surface of the cover part 121 and the cover part 121 by a predetermined distance And a peripheral burr 130 is formed around the cover part 121. After the striking of the third striking part 60, the secondary molding support frame 30) for discharging the material (11) to the outside;
And a pressing step of removing the peripheral burr 130 of the material 11 by processing the material 11 discharged to the outside through the secondary processing step by press 140,

In the secondary processing step,
The third striking part 60 strikes the material 11 placed on the secondary molding support frame 30 and forms the insert engaging part 122 protruding from the inner side of the cover part 121 are simultaneously formed in a pair in the material 11,

In the pressing step,
(130) formed around the pair of cover parts (121) is removed by machining a single press (140).
The method according to claim 1,
The primary molding support frame 20 is provided with a molding hole 21 in the center thereof with a predetermined length and is provided with a material feed rod 22 movable along the molding hole 21,
The primary striking part (40) has a primary striking rod (41) protruding at a predetermined length,
In the primary processing step S20, the material 11 is inserted into the molding hole 21 of the primary molding support frame 20 by the primary striking rod 41 of the primary striking unit 40 Wherein the step (c) is performed by press-molding the shim cover (120).
3. The method of claim 2,
The secondary striking part 50 is provided with a secondary striking rod 52 so as to be movable along the material insertion hole 51,
In the material transferring step S30, the material 11 inserted into the molding hole 21 of the primary molding support frame 20 is moved forward by the material transferring rod 22, Is inserted and conveyed into the material insertion hole 51 of the secondary striking part 50 positioned in contact with the front surface of the secondary striking part 20 and the secondary striking part 51, (50) moves downward to the opposite position of the secondary molding support frame (30), and then moves the material (11) located in the material insertion hole (51) To the secondary molding support frame (30) side.
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KR1020150165527A 2015-11-25 2015-11-25 The Manufacturing Method of the Cover of SIM Tray for Mobile Terminal KR101639391B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120098001A (en) * 2011-02-28 2012-09-05 강태인 Manufacturing method of battery terminal plate
KR20130135456A (en) * 2012-06-01 2013-12-11 강태인 Molding apparatus for processed goods

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120098001A (en) * 2011-02-28 2012-09-05 강태인 Manufacturing method of battery terminal plate
KR20130135456A (en) * 2012-06-01 2013-12-11 강태인 Molding apparatus for processed goods

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