CN115086459A - Metal middle frame and machining method thereof - Google Patents

Metal middle frame and machining method thereof Download PDF

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Publication number
CN115086459A
CN115086459A CN202210619296.XA CN202210619296A CN115086459A CN 115086459 A CN115086459 A CN 115086459A CN 202210619296 A CN202210619296 A CN 202210619296A CN 115086459 A CN115086459 A CN 115086459A
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CN
China
Prior art keywords
annular
plate
metal
frame
strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210619296.XA
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Chinese (zh)
Inventor
李海军
许绍山
滕明赞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Dacheng Hardware Manufacturing Co ltd
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Dongguan Dacheng Hardware Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Dongguan Dacheng Hardware Manufacturing Co ltd filed Critical Dongguan Dacheng Hardware Manufacturing Co ltd
Priority to CN202210619296.XA priority Critical patent/CN115086459A/en
Publication of CN115086459A publication Critical patent/CN115086459A/en
Pending legal-status Critical Current

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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
    • 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
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/001—Shaping combined with punching, e.g. stamping and perforating
    • 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
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/74—Making other particular articles frames for openings, e.g. for windows, doors, handbags
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

The application relates to the field of middle frame manufacturing, in particular to a metal middle frame and a metal middle frame, which comprise a middle plate and an annular frame integrally formed on the middle plate, wherein the middle plate and the annular frame are made of aluminum or iron, and a through rectangular groove is formed in the center of the middle plate; a reinforcing bracket is arranged on the middle plate and is fixedly connected with the inner side wall of the annular frame; a plurality of positioning grooves are formed in the annular frame and are symmetrical to each other. This application has improved the machining efficiency of metal center.

Description

Metal middle frame and machining method thereof
Technical Field
The application relates to the field of middle frame manufacturing, in particular to a metal middle frame and a processing method of the metal middle frame.
Background
Along with the continuous development of mobile terminal technology, electronic equipment such as smart phones, palm computers and vehicle-mounted displays have been widely applied and become important components in work and life of people, housings of the electronic equipment generally adopt a metal middle frame structure, the metal middle frame structure has the advantages of being wear-resistant and easy to dissipate heat, and meanwhile, products can leave high-end impressions for users.
The metal middle frame structure mainly comprises a metal side frame and a middle plate, and the traditional metal middle frame structure is generally formed into a rudiment of the metal middle frame in an integrated manner by forging and pressing a stainless steel blank, and then the rudiment of the metal middle frame is subjected to CNC fine machining.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the stainless steel blank has higher hardness, the production efficiency of the metal middle frame is reduced.
Disclosure of Invention
In order to improve the machining efficiency of the metal middle frame, the application provides the metal middle frame and a machining method of the metal middle frame.
The application provides a metal middle frame and a processing method thereof, which adopts the following technical scheme:
a metal middle frame comprises a middle plate and an annular frame integrally formed on the middle plate, wherein the middle plate and the annular frame are made of aluminum or iron, and a through rectangular groove is formed in the center of the middle plate; a reinforcing bracket is arranged on the middle plate and is fixedly connected with the inner side wall of the annular frame; a plurality of positioning grooves are formed in the annular frame and are symmetrical to each other.
By adopting the technical scheme, the middle plate and the annular frame are made of aluminum or iron, and the hardness of the aluminum or iron is less than that of stainless steel, so that the middle plate and the annular frame are easy to deform under the action of external force; the annular frame is integrally formed on the middle plate, so that the connecting strength between the annular frame and the middle plate is increased; meanwhile, the middle plate is fixedly connected with the annular frame through the reinforcing support, so that the connecting strength between the annular frame and the middle plate is further increased; because the positioning groove is arranged on the annular frame, the positioning groove has a positioning effect on the annular frame, and the processing efficiency of the annular frame is increased.
Optionally, the reinforcing bracket includes a plurality of annular flanges, and each of the plurality of annular flanges is fixedly connected to the middle plate.
By adopting the technical scheme, the annular flange has a positioning effect on the metal middle frame, and the efficiency of installing the annular flange by workers is increased.
Optionally, the reinforcing bracket further comprises a plurality of strip-shaped flanges, and the strip-shaped flanges are fixedly connected with the middle plate; one end, close to the annular flange, of the strip-shaped flange is fixedly connected with the outer side wall of the annular flange, one end, close to the annular frame, of the strip-shaped flange is fixedly connected with the inner side wall of the annular frame, and one end, close to the rectangular groove, of the strip-shaped flange is flush with the inner side wall of the rectangular groove.
Through adopting above-mentioned technical scheme, a plurality of bar flanges have not only increased annular flange and the joint strength of medium plate oneself, have also increased the joint strength of medium plate and annular frame simultaneously to increase the holistic intensity of metal center, so that the difficult emergence of metal center is out of shape.
Optionally, two of the strip-shaped flanges perpendicular to each other intersect at a point.
By adopting the technical scheme, the overall aesthetic property of the metal middle frame is improved, and the overall strength of the metal middle frame is further improved.
Optionally, the thickness of the annular flange is the same as that of the strip-shaped flange, and the thickness of the annular flange and that of the strip-shaped flange are both smaller than that of the annular frame.
By adopting the technical scheme, the annular flange and the strip-shaped flange are smaller than the thickness of the annular frame, so that the installation space for installing other parts is formed in the metal middle frame.
Optionally, the positioning groove is a dovetail groove.
Through adopting above-mentioned technical scheme, the staff is at the in-process of installation metal center, and the constant head tank has the positioning action to the metal center.
Optionally, the inner side wall of the annular frame is provided with an anti-falling groove.
Through adopting above-mentioned technical scheme, anticreep groove has further increased the fastness of metal center installation.
Optionally, a positioning bump is fixedly arranged on the inner side wall of the annular frame, and the positioning bump is fixedly connected with the middle plate.
By adopting the technical scheme, the positioning lug has a positioning effect on the metal middle frame, and the efficiency of installing the metal middle frame by workers is increased.
Optionally, a round corner is arranged on the positioning bump.
Through adopting above-mentioned technical scheme, the staff is at the in-process of taking the metal center, and the fillet on the locating lug has reduced the pressure of locating lug to staff's hand, has the guard action to staff's hand.
Optionally, the application further provides a processing method of the metal middle frame, which includes the following steps:
the method comprises the following steps: cutting the strip-shaped plate by using stamping equipment to form a rectangular plate;
step two: conveying the cut plate to the next stamping device through a manipulator;
step three: stamping the plate by stamping equipment;
step four: repeating the second step to the third step, and sequentially cutting, punching, bending and the like the plate, so that the plate is processed into the metal middle frame;
step five: conveying the metal middle frame to a material receiving platform through a manipulator;
step six: the staff collects the metal center on receiving the material platform.
Through adopting above-mentioned technical scheme, many stamping equipment carry out the punching press to panel in proper order, then convey the panel after finishing the punching press of last stamping equipment to next stamping equipment through the manipulator to realize automated processing and automated handling, and then improved the holistic machining efficiency of metal center.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the middle plate and the annular frame are made of aluminum or iron, and the hardness of the aluminum or iron is less than that of stainless steel, so that the middle plate and the annular frame are easy to deform under the action of external force; the annular frame is integrally formed on the middle plate, so that the connecting strength between the annular frame and the middle plate is increased; meanwhile, the middle plate is fixedly connected with the annular frame through the reinforcing bracket, so that the connecting strength between the annular frame and the middle plate is further increased; the positioning groove is arranged on the annular frame and has a positioning effect on the annular frame, so that the processing efficiency of the annular frame is improved;
2. the annular flange has a positioning effect on the metal middle frame, so that the efficiency of installing the annular flange by workers is improved;
3. the plurality of strip-shaped flanges not only increase the connection strength of the annular flange and the middle plate, but also increase the connection strength of the middle plate and the annular frame, so that the overall strength of the metal middle frame is increased, and the metal middle frame is not easy to deform;
4. multiple stamping equipment stamp the panel in proper order, then convey the panel after the last stamping equipment stamping finishes to next stamping equipment through the manipulator to realize automated processing and automatic transport, and then improved the holistic machining efficiency of metal center.
Drawings
Fig. 1 is a schematic structural diagram of a metal middle frame in an embodiment of the present application.
Description of reference numerals:
1. a middle plate; 11. a rectangular groove; 12. a through hole; 2. an annular frame; 21. positioning a groove; 22. a drop-proof groove; 3. a reinforcing bracket; 31. an annular flange; 32. a strip flange; 4. and positioning the projection.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses a metal middle frame. Referring to fig. 1, the metal middle frame and the metal middle frame include a middle plate 1 and an annular frame 2 integrally formed on a surface of the middle plate 1, the annular frame 2 is a rectangular frame, and the annular frame 2 is disposed around an edge of the middle plate 1. In this embodiment, the middle plate 1 and the annular frame 2 are made of aluminum or iron, which not only increases the overall strength of the metal middle frame. Meanwhile, because aluminum or iron is easy to deform, the integral forming efficiency of the metal middle frame is improved in the process of processing the metal middle frame.
The lateral wall edge of annular frame 2 is provided with the fillet, and the hand that has reduced annular frame 2 is strong to the staff in the edge, has the guard action to staff's hand, has also increased the holistic aesthetic property of annular frame 2 simultaneously.
Rectangular channel 11 that runs through is seted up at the center of medium plate 1, and four angles of rectangular channel 11 all are provided with the fillet. The lateral wall that medium plate 1 is close to annular frame 2 is provided with strengthens support 3, strengthens support 3 and annular frame 2's inside wall fixed connection to increased the holistic structural strength of metal center, so that the difficult emergence of metal center warp.
The reinforcing bracket 3 includes a plurality of annular flanges 31, in this embodiment, the number of the annular flanges 31 is four, four annular flanges 31 are all fixedly connected with the middle plate 1, and the rectangular groove 11 is located in the middle of the four annular flanges 31. The annular flange 31 has a locating effect on the metal middle frame, and the efficiency of installing the annular flange 31 by workers is improved.
The outer side wall of each annular flange 31 is integrally formed with four strip-shaped flanges 32, and extension lines of one ends of the four strip-shaped flanges 32 close to the annular flange 31 intersect at one point. For four strip-shaped flanges 32 on the outer side wall of each annular flange 31, one end of each three strip-shaped flanges 32 close to the annular frame 2 is fixedly connected with the inner side wall of the annular frame 2, and one end of each strip-shaped flange 32 close to the rectangular groove 11 is flush with the inner side wall of the rectangular groove 11. It is noted that two strip-shaped flanges 32 perpendicular to each other meet at a point. The plurality of strip-shaped flanges 32 not only increase the connection strength between the annular flange 31 and the middle plate 1, but also increase the connection strength between the middle plate 1 and the annular frame 2, so that the overall strength of the metal middle frame is increased, and the metal middle frame is not easy to deform.
In the present embodiment, the thickness of the annular flange 31 is the same as that of the strip flange 32, and the thickness of the annular flange 31 and the thickness of the strip flange 32 are both smaller than that of the annular frame 2. Because the annular flange 31 and the strip-shaped flange 32 are both smaller than the thickness of the annular frame 2, a mounting space for mounting other parts is formed in the metal middle frame, and meanwhile, the integral aesthetic property of the metal middle frame is also improved.
Four through holes 12 are also formed in the middle plate 1, and the four through holes 12 are all round holes. The rectangular groove 11 is located in the middle of the four through holes 12, and the four through holes 12 are distributed in a rectangular array.
A plurality of positioning grooves 21 are formed in the annular frame 2, in this embodiment, the number of the positioning grooves 21 is four, and the four positioning grooves 21 are symmetrical to each other. Specifically, the positioning groove 21 is a dovetail groove, and the depth of the positioning groove 21 is smaller than the thickness of the annular frame 2. The staff is at the in-process of installation metal center, and constant head tank 21 only has the positioning action to the metal center, has increased annular frame 2's machining efficiency.
Four anticreep grooves 22 have been seted up to the inside wall of annular frame 2, and four anticreep grooves 22 are symmetrical each other, and every anticreep groove 22's cross-section is semi-circular, and the setting of four anticreep grooves 22 has further increased the fastness of metal center installation.
The inside wall of annular frame 2 is fixed and is provided with four location lug 4, and four location lug 4 are symmetrical each other. Four locating convex blocks 4 are all fixedly connected with the middle plate 1, and the thickness of the four locating convex blocks 4 is smaller than that of the annular frame 2. Four location lugs 4 have the location effect to the metal center, have increased the efficiency of staff installation metal center in this embodiment, and the one end that annular frame 2 was kept away from to every location lug 4 all is provided with the fillet.
The staff is at the in-process of taking the metal center, and the fillet on the locating lug 4 has reduced the pressure of locating lug 4 to staff's hand, has the guard action to staff's hand.
The method for processing the metal middle frame comprises the following steps:
the method comprises the following steps: cutting the strip-shaped plate through stamping equipment to form a rectangular plate;
step two: conveying the cut plate to the next stamping device through a manipulator;
step three: stamping the plate by stamping equipment;
step four: repeating the second step to the third step, and sequentially cutting, punching, bending and the like the plate, so that the plate is processed into a metal middle frame;
step five: conveying the metal middle frame to a material receiving platform through a manipulator;
step six: the staff collects the metal center on receiving the material platform.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A metal center, its characterized in that: the middle plate comprises a middle plate (1) and an annular frame (2) integrally formed on the middle plate (1), wherein the middle plate (1) and the annular frame (2) are made of aluminum or iron, and a through rectangular groove (11) is formed in the center of the middle plate (1); a reinforcing support (3) is arranged on the middle plate (1), and the reinforcing support (3) is fixedly connected with the inner side wall of the annular frame (2); a plurality of positioning grooves (21) are formed in the annular frame (2), and the positioning grooves (21) are symmetrical to each other.
2. The metal middle frame according to claim 1, wherein: the reinforcing support (3) comprises a plurality of annular flanges (31), and the annular flanges (31) are fixedly connected with the middle plate (1).
3. The metal middle frame according to claim 2, wherein: the reinforcing bracket (3) further comprises a plurality of strip-shaped flanges (32), and the strip-shaped flanges (32) are fixedly connected with the middle plate (1); the strip-shaped flange (32) is close to one end of the annular flange (31) and fixedly connected with the outer side wall of the annular flange (31), the strip-shaped flange (32) is close to one end of the annular frame (2) and fixedly connected with the inner side wall of the annular frame (2), and the strip-shaped flange (32) is close to one end of the rectangular groove (11) and flush with the inner side wall of the rectangular groove (11).
4. The metal middle frame according to claim 3, wherein: two of the strip-shaped flanges (32) perpendicular to each other intersect at a point.
5. The metal middle frame according to claim 3, wherein: the thickness of the annular flange (31) is the same as that of the strip-shaped flange (32), and the thickness of the annular flange (31) and that of the strip-shaped flange (32) are both smaller than that of the annular frame (2).
6. The metal middle frame according to claim 1, wherein: the positioning groove (21) is a dovetail groove.
7. The metal middle frame according to claim 1, wherein: the inner side wall of the annular frame (2) is provided with an anti-falling groove (22).
8. The metal middle frame according to claim 1, wherein: the inner side wall of the annular frame (2) is fixedly provided with a positioning lug (4), and the positioning lug (4) is fixedly connected with the middle plate (1).
9. The metal middle frame according to claim 8, wherein: and a round angle is arranged on the positioning lug (4).
10. The method of processing a metal middle frame according to any one of claims 1 to 9, characterized in that:
the method comprises the following steps: cutting the strip-shaped plate by using stamping equipment to form a rectangular plate;
step two: conveying the cut plate to the next stamping device through a manipulator;
step three: stamping the plate by stamping equipment;
step four: repeating the second step to the third step, and sequentially cutting, punching, bending and the like the plate, so that the plate is processed into the metal middle frame;
step five: conveying the metal middle frame to a material receiving platform through a manipulator;
step six: the staff collects the metal center on the material receiving platform.
CN202210619296.XA 2022-06-02 2022-06-02 Metal middle frame and machining method thereof Pending CN115086459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210619296.XA CN115086459A (en) 2022-06-02 2022-06-02 Metal middle frame and machining method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210619296.XA CN115086459A (en) 2022-06-02 2022-06-02 Metal middle frame and machining method thereof

Publications (1)

Publication Number Publication Date
CN115086459A true CN115086459A (en) 2022-09-20

Family

ID=83249902

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210619296.XA Pending CN115086459A (en) 2022-06-02 2022-06-02 Metal middle frame and machining method thereof

Country Status (1)

Country Link
CN (1) CN115086459A (en)

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