WO2019140769A1 - 手机中框加工工艺 - Google Patents

手机中框加工工艺 Download PDF

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Publication number
WO2019140769A1
WO2019140769A1 PCT/CN2018/078891 CN2018078891W WO2019140769A1 WO 2019140769 A1 WO2019140769 A1 WO 2019140769A1 CN 2018078891 W CN2018078891 W CN 2018078891W WO 2019140769 A1 WO2019140769 A1 WO 2019140769A1
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WO
WIPO (PCT)
Prior art keywords
metal
riveting
groove
frame
metal member
Prior art date
Application number
PCT/CN2018/078891
Other languages
English (en)
French (fr)
Inventor
任项生
王理栋
Original Assignee
广东长盈精密技术有限公司
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.)
Filing date
Publication date
Priority claimed from CN201810045746.2A external-priority patent/CN108296710B/zh
Priority claimed from CN201810043852.7A external-priority patent/CN108337335B/zh
Priority claimed from CN201810044384.5A external-priority patent/CN108326514B/zh
Priority claimed from CN201810044789.9A external-priority patent/CN108115369B/zh
Application filed by 广东长盈精密技术有限公司 filed Critical 广东长盈精密技术有限公司
Priority to US16/088,823 priority Critical patent/US11089142B2/en
Publication of WO2019140769A1 publication Critical patent/WO2019140769A1/zh

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Classifications

    • 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
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
    • 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
    • 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
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
    • H04M1/0252—Details of the mechanical connection between the housing parts or relating to the method of assembly by means of a snap-on mechanism
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0004—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings

Definitions

  • the application number is 2018100447899.
  • the invention name is “Mobile Phone Frame Processing Technology” and submitted to the Chinese Patent Office on January 17, 2018.
  • the application number is 2018100457462.
  • the invention name is "Mobile phone frame processing technology”, submitted to the Chinese Patent Office on January 17, 2018, the application number is 2018100443845, the invention name is “mobile phone middle frame processing technology”, submitted to the Chinese Patent Office on January 17, 2018, the application number is 2018100438527
  • the title of the invention is the priority of the Chinese Patent Application, which is incorporated herein by reference.
  • the invention relates to the technical field of mobile phone component processing, in particular to a frame processing technology for a mobile phone.
  • the metal casing used on the mobile phone not only has a beautiful appearance, but also has the advantages of delicate hand feeling, wear resistance, drop resistance, corrosion resistance, easy recycling and recycling, etc., because it is favored by consumers.
  • the middle frame is an important part of the mobile phone, and its appearance is smooth and the inner structure is complicated.
  • the common practice of the middle frame of the mobile phone is: 1.
  • the whole piece of aluminum alloy, stainless steel, steel and other plates are processed by CNC chip cutting and drilling and milling. This method consumes large raw materials, has a large amount of CNC processing, low processing efficiency and high cost;
  • the technology is relatively simple, and it is currently the most important processing form of the metal mobile phone frame. 2.
  • the thin aluminum alloy, stainless steel and other plates are forged to achieve the required processing size and reduce the CNC processing amount to reduce the manufacturing cost.
  • Both of the above production methods form a large-area waste portion in the middle portion of the middle frame of the mobile phone, and then the intermediate portion is cut by the CNC, and both of them have the problems of complicated method and low efficiency.
  • a frame processing process for a mobile phone is provided.
  • a process for processing a frame in a mobile phone comprising:
  • each metal member is respectively mounted on an edge of the metal intermediate plate to form a frame surrounding the metal middle plate, and the riveting protrusion is received in the riveting groove of the metal member, the riveting convex Cooperating with the riveting groove;
  • the middle plates are connected to form a middle frame of the mobile phone.
  • Figure 1 is a flow chart of the present invention
  • FIG. 2 is a schematic perspective view showing the first metal member and the second metal member constituting the frame of the first embodiment
  • FIG. 3 is a schematic perspective view showing a first metal member bent from a first straight profile and a second metal member bent from a second straight profile according to the first embodiment
  • FIG. 4 is a schematic perspective view showing the metal intermediate plate of the first embodiment
  • FIG. 5 is a schematic perspective structural view of the first metal member, the second metal member, and the metal intermediate plate of the first embodiment
  • Figure 6 is an enlarged view of a portion circled by a circle A in Figure 5;
  • FIG. 7 is a schematic view showing a state in which an assembly structure composed of a first metal member, a second metal member, and a frame is applied to the first embodiment
  • Figure 8 is a schematic view showing the state in which the riveting projection is inserted into the riveting groove before the riveting projection is held in the riveting groove of the first embodiment
  • Figure 9 is a schematic view showing a state in which the riveting projection is inserted into the riveting groove after the riveting projection is held in the riveting groove of the first embodiment
  • Figure 10 is a schematic view showing the state in which the riveting projection is inserted into the riveting groove before the riveting projection is held in the riveting groove of the second embodiment
  • Figure 11 is a partial structural view of the second embodiment before the frame is undeformed
  • Figure 12 is a schematic view showing the state in which the riveting projection is inserted into the riveting groove after the riveting projection is held in the riveting groove of the second embodiment
  • Figure 13 is a schematic view showing the state of the metal intermediate plate of the second embodiment after being pressed by the frame;
  • Figure 14 is a perspective view showing the structure of the first metal member and the second metal member of the third embodiment
  • Figure 15 is an enlarged view of a portion circled by a circle B in Figure 14;
  • FIG. 16 is a schematic view showing a state in which the positioning block is clamped in the positioning groove after the frame is forced by the third embodiment
  • 17 is a schematic view showing a state in which a rivet protrusion is inserted into a rivet groove before the rivet protrusion is held in the rivet groove according to the fourth embodiment;
  • Figure 18 is a schematic view showing the state in which the riveting projection is inserted into the riveting groove after the riveting projection is held in the riveting groove of the fourth embodiment
  • Figure 19 is a perspective view showing the first metal member and the second metal member of the fifth embodiment.
  • 20 is a schematic view showing a state of stress of an assembled structure in which an outer frame and a metal intermediate plate of the fifth embodiment are combined;
  • Figure 21 is an enlarged view of a portion circled by a circle C in Figure 20;
  • Figure 22 is a schematic view showing the state in which the riveting projection is inserted into the riveting groove before the riveting projection is held in the riveting groove of the fifth embodiment
  • Fig. 23 is a view showing a state in which the rivet projection is inserted into the rivet groove after the rivet projection is held in the rivet groove in the fifth embodiment.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • this embodiment discloses a process for processing a frame in a mobile phone, including the following steps:
  • Step S10 providing at least two metal members, each of which is formed with a riveting groove.
  • the number of the metal members is two, which are respectively located in the first metal member 11 and the second metal member 13.
  • the length of the first metal member 11 after being expanded into the inline structure is greater than that of the second metal.
  • the length of the member 12 is expanded into an in-line structure, and a riveting groove 13 is formed on the inner side surface of the first metal member 11 and the inner side surface of the second metal member 12; the end portions of the first metal member 11 are provided with positioning
  • the groove 111 and the end portion of the second metal member 12 are provided with positioning blocks 121.
  • the difference in hardness between the metal member and the metal intermediate plate 20 is 170 HV - 350 HV, which is also capable of deforming the rivet protrusion 21 of the intermediate plate material in the case where the metal member is subjected to compression and compression.
  • the metal member is preferably made of a stainless steel material, and the hardness of the stainless steel is preferably 180 HV to 220 HV. In other embodiments, the metal member can also be made of a titanium material.
  • Step S10 specifically includes: S11, forming two linear grooves having riveting grooves 13, respectively being a first straight profile and a second straight profile; S12, bending the first straight profile and the second straight profile, respectively forming a figure a first metal member 11 and a second metal member 12; S13, a positioning groove 14 is formed on each end of the first metal member 11, and a positioning block is formed on each end of the second metal member 12. 15.
  • the linear profile and the rivet groove 13 are made simultaneously or in a stepwise process.
  • the linear groove and the staking groove 13 are formed in a stepwise process, and the straight profile is first processed, and then the rivet groove 13 is machined on the linear profile.
  • the linear profile and the rivet groove 13 are processed in stages, the linear profile can be produced in two ways, one is obtained by cutting from the sheet, and the other is obtained by drawing, relative to passing.
  • the forging method produces linear profiles, which produce less intermediate waste, helping to reduce waste cleaning time and material utilization.
  • Step S20 providing a metal intermediate plate with riveted protrusions at the edges.
  • the metal intermediate plate 20 has a rectangular shape, and the edge of the metal intermediate plate 20 is provided with riveted projections 21, and the number of the riveted projections 21 is one, and is disposed around the metal intermediate plate 20.
  • the hardness of the metal plate is 90HV-100HV, and the metal plate 20 of the hardness range is used, so that the metal plate 20 can be deformed without a large pressing force, and the pressure deformation of the riveting protrusion 21 is facilitated, and the hardness is The range is also advantageous for the processing of the metal intermediate plate 20.
  • the metal intermediate plate 20 is made of a light soft metal material, such as aluminum, aluminum alloy, magnesium, magnesium aluminum alloy, etc., and the metal intermediate plate 20 is made of the metal material of the type, which can reduce the frame of the entire mobile phone. quality. Further, the metal intermediate plate 20 is preferably made of an aluminum material. The aluminum is a light-weight and easy-to-process metal material. The metal intermediate plate 20 is made of an aluminum material, which can reduce the quality of the frame in the entire mobile phone. Moreover, it is also convenient for the subsequent processing of the middle frame of the mobile phone.
  • Step S30 each metal member is respectively mounted on the edge of the metal intermediate plate 20 to form a frame 10 surrounding the metal intermediate plate 20.
  • the riveting protrusion 21 is received in the riveting groove 13 of the metal member, and the riveting protrusion 21 is riveted.
  • the groove 13 is clearance fit.
  • the first metal member 11 is inserted from one end of the metal intermediate plate 20 during assembly.
  • the method is mounted on the edge of the metal intermediate plate 20, and the riveting groove portions on the two arm portions of the first metal member 11 are respectively aligned with the riveted convex portions on both sides of the metal intermediate plate 20 so that the riveting projections 21 can be inserted.
  • the second metal member 12 is attached to the edge of the metal intermediate plate 20 from the other end of the metal intermediate plate 20 by insertion, and the second metal member 12 is inserted at the time of insertion.
  • the rivet groove portions on the two arms are respectively aligned with the rivet boss portions on both sides of the metal intermediate plate 20 such that the rivet protrusions 21 are inserted into the rivet grooves 13 of the second metal member 12; when the first metal members 11 and the second After the metal member 12 is mounted on the edge of the metal intermediate plate 20, the positioning block 121 on the second metal member 12 is inserted into the positioning groove 111 of the first metal member 11, as shown in FIG. 5, the first metal member 11 and the second Metal member 12 is synthesized around metal intermediate plate 20 Frame 10.
  • the length of the first metal member 11 after being expanded into an in-line structure is greater than the length after the second metal member 12 is unfolded into an in-line structure
  • the length of the arm portion of the first metal member 11 is greater than that of the arm portion of the second metal member 12.
  • the length is such that the elasticity of the arm portion of the first metal member 11 is too large, and the elasticity of the arm portion of the second metal member 12 is too small. Therefore, after the positioning block 15 is inserted into the corresponding positioning groove 14 in step S30, The arm portion of the second metal member 12 that is less elastic can prevent the arm portion of the first metal member 11 that is elastic from being everted, so that the bezel 10 composed of the first metal member 11 and the second metal member 12 can maintain the correct shape.
  • a slit 14 for filling a solder material is formed between the positioning block 112 and the first metal member 11 .
  • the slit 14 is located outside the frame 10 , and is disposed outside the frame 10 through the slit 14 to facilitate the gap 14 .
  • a solder material is filled to connect the first metal member 11 and the second metal member 12.
  • Step S40 applying force to the frame 10 to deform at least one of the riveting groove 13 and the riveting protrusion 21, so that the riveting protrusion 21 is held in the riveting groove 13, thereby connecting the frame 10 and the metal intermediate plate 20. Form the middle frame of the phone.
  • the frame 10 is pressed in a direction perpendicular to the top surface and the bottom surface of the metal intermediate plate 20, and the frame 10 is compressed and pressed to deform the rivet protrusion 21, and the deformed rivet protrusion 21 is deformed.
  • the clip is held in the deformed riveting groove 13 so that the bezel 10 and the metal intermediate plate 30 are connected to form a middle frame of the mobile phone. Since the metal member is 170HV-350HV larger than the hardness of the metal intermediate plate 20, the hardness of the metal member is relatively large, so that the frame 10 can be deformed by compression and compression, and the compressed frame 10 and the rivet protrusion 21 are filled together.
  • the gap between the rivet protrusion 21 and the rivet groove 13 is filled with a metal member having a relatively high hardness to fill a gap between the rivet protrusion 21 and the rivet groove 13, which can better fill the rivet protrusion.
  • the gap between the 21 and the rivet groove 13 enables the connection of the metal intermediate plate 20 to the outer frame 10 to be better achieved.
  • the rivet protrusion 21 has a rectangular cross section, and the rivet groove 13 is formed. Swallowtail.
  • the edge portion of the dovetail-shaped rivet groove can press the deformation amount of the rivet protrusion to run into the rivet groove 13, so that the gap between the rivet protrusion 21 and the rivet groove 13 can be better filled, as shown in FIG.
  • the rivet protrusion 21 and the rivet groove 13 are both dovetail-shaped, which enables the frame 10 and the metal intermediate plate 20 to be well connected, and also makes the outside water It is not easy to enter the middle frame of the mobile phone from the connection between the metal intermediate plate 20 and the outer frame 10, and has a good waterproof effect.
  • Step S50 connecting the corresponding end portions of the adjacent metal members.
  • the end portions connecting the adjacent metal members are specifically: filling the welding gap with a welding material to weld the ends of the first metal member 11 and the second metal member 12 .
  • Step S60 milling the welding metal protruding from the outer surface of the bezel 10.
  • This step can keep the outer surface of the bezel 10 flat, and facilitate the subsequent surface treatment process on the middle frame of the mobile phone.
  • At least two metal members having the rivet grooves 13 are separately fabricated by separately forming the metal intermediate plate 20 having the rivet protrusions 21 at the edges, and then the metal intermediate plate 20 and the metal members are combined into a mobile phone.
  • the frame, the rivet protrusion 21 is inserted into the rivet groove 13 and is clearance-fitted with the rivet groove 13, and finally, the rivet protrusion 21 and/or the rivet protrusion 21 are deformed by applying a pressing force to the frame 10 assembled by the metal member.
  • the rivet protrusion 21 is held in the rivet groove 13 to achieve the purpose of connecting the metal intermediate plate to the frame.
  • the frame 10 is made of a separately fabricated metal member. Then, the frame 10 and the metal intermediate plate 20 are connected by being clamped, so that the intermediate waste generated is very small, and the utilization rate of raw materials is more than 90%, which greatly reduces the processing time of the waste, and the method also becomes It is simpler and greatly improves the processing efficiency.
  • the order of fabrication of the metal member of the present invention and the fabrication of the metal intermediate plate 20 can be reversed, and it is not limited to the fabrication of the metal member, and the fabrication of the metal intermediate plate 20 is followed.
  • the metal intermediate plate 20 may be fabricated first, and the metal member may be fabricated later.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the difference between this embodiment and the first embodiment is that, as shown in FIG. 10, before the frame 10 is unstressed, the cross-section of the rivet protrusion 21 is rectangular, as shown in FIG. 11, the rivet groove 13 is correspondingly open.
  • a plurality of serrations 131 are provided on the edge of the mouth, and a plurality of serrations 131 are spaced along the longitudinal direction of the caulking groove 13; when the frame 10 is pressed in a direction perpendicular to the top and bottom surfaces of the metal intermediate plate 20, as shown in FIG.
  • Each of the serrations 131 presses the pressing groove 211 on the rivet protrusion 21, and as shown in FIG. 13, the rivet protrusion 21 generates a deformation amount to fill a gap between the rivet protrusion 21 and the rivet groove 13 under the pressing of the saw tooth 131.
  • the rivet protrusion 21 is held in the rivet groove 13.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • This embodiment is different from the first embodiment in that the corresponding ends of the first metal member 11 and the second metal member 12 are not joined by welding.
  • the positioning groove 111 is disposed corresponding to the end surface of the first metal member 11 and the outer side surface, and the positioning block 121 is located on the end surface of the second metal member 12; in step S40, as shown in FIG.
  • the positioning block 121 is held in the deformed positioning groove 111, so that the first metal member 11 and the second metal member 12 are connected.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the difference between this embodiment and the first embodiment is that the hardness of the metal intermediate plate 20 is 90 HV-100 HV, and the hardness difference of the metal member is 0 HV - 50 HV.
  • step S40 the frame 10 is pressed in a direction perpendicular to the top surface and the bottom surface of the metal intermediate plate 20, and the frame is compressed by force, and the compressed frame 10 quickly fills the gap between the rivet protrusion 21 and the rivet groove 13, and The pressure riveting projection is deformed, and the deformed riveting projection 21 is retained in the deformed riveting groove 13 to realize the connection of the bezel 10 and the intermediate plate 20. Because the hardness of the metal plate is relatively small, and the hardness of the metal member is only 0HV-50HV larger than that of the metal plate, the hardness of the metal member is relatively small, so that only a small pressing force is required to realize the deformation and filling riveting of the frame 10.
  • the gap between the protrusion 21 and the rivet groove 13 achieves the purpose of connecting the metal intermediate plate 20 and the frame 10, and because the hardness of the metal member is only 0HV-50HV greater than the metal plate 20, the metal member and the metal plate 20 are The hardness is very close, so that when the compressed frame 10 presses the rivet protrusion 21, only a small amount of deformation of the rivet protrusion 21 can be caused.
  • the metal member is made of a light soft metal material, and the metal member is made of the metal material of the type, which can reduce the weight of the frame in the entire mobile phone. Still further, the metal member is made of aluminum, aluminum alloy, magnesium, or magnesium aluminum alloy. In the present embodiment, the metal member is made of aluminum, and the hardness of the aluminum is preferably 90 HV to 150 HV.
  • the rivet groove 13 Before the frame 10 is applied, as shown in FIG. 17, the rivet groove 13 has a rectangular cross section, and the rivet protrusion 21 has a dovetail shape, which makes the edge of the rivet groove 13 contact the rivet convex when the frame 10 is deformed. Before the 21st, the deformed frame 10 does not press the rivet protrusion, so only the deformed frame 10 fills the gap between the rivet protrusion 21 and the rivet groove 13, and after the edge of the rivet groove 13 contacts the rivet protrusion 21, The force applied to the frame 10 is removed. At this time, the rivet protrusion 21 is held in the rivet groove 13, and the rivet protrusion 21 is held by the rivet groove 13 by compressing the frame 10 made of a soft metal material.
  • the rivet protrusion 21 and the rivet groove 13 are both dovetail-shaped.
  • the holding manner can improve the connection between the metal intermediate plate 20 and the metal member, and also makes the external water difficult to enter the middle frame of the mobile phone from the connection between the metal intermediate plate 20 and the frame 10, thereby achieving good waterproofness.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • step S10 the number of metal members is four, two of which are linear first metal members 11, and the other two are U-shaped.
  • the second metal member 12, the riveting groove 13 is provided on the inner side faces of the first metal member 11 and the second metal member 12, and the end portions of the first metal member 11 are provided with positioning grooves 111, and the second metal members 12 A positioning block 121 is provided at each end.
  • the positioning groove 111 is disposed corresponding to the outer side surface, the end surface, the top surface, and the bottom surface of the first metal member 11.
  • the difference in hardness between the metal member and the metal intermediate plate is at least 170 HV.
  • the metal member is preferably made of a titanium material, which is a light-weight and high-strength metal material, and is made of a titanium material to form a metal member, on the one hand, when the metal plate 20 is pressed around the metal plate 20 through the frame 10.
  • the first metal member 11 and the second metal member 12 are not deformed, the shape of the outer frame is ensured, and on the other hand, the weight of the frame in the entire mobile phone can be reduced.
  • the hardness of titanium is preferably 300 HV to 400 HV.
  • the number of the riveting grooves 13 on each of the metal members is two, and the two riveting protrusions 21 are symmetrically arranged in a figure-eight shape, and the distance between the bottoms of the two riveting grooves 13 is larger than the distance between the openings of the second riveting grooves 13e.
  • a distance between the rivet grooves 13 and a pressing protrusion 15 having a trapezoidal cross section is formed.
  • the staking groove 13 is provided corresponding to the outer side surface, the end surface, the top surface, and the bottom surface of the first metal member 11.
  • Step S10 specifically includes: S11, forming four linear grooves having riveting grooves 13, wherein the two straight profiles are the first straight profiles, the other two straight profiles are the second straight profiles, and the riveting slots 13 are along the length of the straight profiles.
  • the direction penetrates the linear profile;
  • S12 the first linear profile serves as the first metal component 11, and the second linear profile is bent to form the second metal component 12;
  • S13 the positioning groove 111 is formed on each end of the first metal component 11
  • a positioning block 121 is formed on each end of each of the second metal members 12.
  • the metal intermediate plate of this embodiment is the same as the metal material of the metal intermediate plate of the first embodiment.
  • step S20 as shown in FIG. 22, the number of the riveting projections 21 on the metal intermediate plate 20 is two, and the riveting groove. 13-one corresponding arrangement, the riveting protrusions 21 are arranged in parallel; in the step S30, when the metal members are mounted on the edge of the metal intermediate plate 20, the free ends of the riveting protrusions 21 are respectively inserted into the corresponding riveting grooves 13, and are pressed.
  • the protrusion 15 is inserted between the rivet protrusions 21;
  • step S30 when assembling, the two first metal members 11 are respectively mounted on both sides of the metal intermediate plate 20, and the riveting protrusions 21 on the side of the metal intermediate plate 20 are inserted into the first metal member. 11 in the riveting groove 13; subsequently, the two second metal members 12 are attached from the two ends of the metal intermediate plate 20 to the edge of the metal intermediate plate 20 by insertion, and when inserted, each of the second metal members 12
  • the riveting groove portions on the arm portions are respectively aligned with the riveting convex portions on both sides of the metal intermediate plate 20, so that the riveting projections of the metal intermediate plate are inserted into the riveting grooves of the second metal member 12, and after the second metal member is mounted,
  • the positioning block 121 of the 12 is inserted into the positioning groove 13 of the first metal member 11, and the two first metal members 11 and the second metal members 12 are combined to form the frame 10 surrounding the metal intermediate plate 20.
  • the positioning block 121 of the second metal member 12 is inserted into the positioning groove of the first metal member 11, which enables the second metal member 12 to be positioned in the assembly, so that the two first metal members 11 and 2
  • the frame 10 composed of the second metal member 12 can maintain the correct shape to facilitate subsequent extrusion riveting.
  • a gap 14 is formed between the positioning block 121 and the first metal member 11, and the slit 14 is located outside the frame 10 for subsequent filling.
  • the material is welded to weld the corresponding ends of the first metal member 11 and the second metal member 12.
  • step S40 thrust is applied to the four sides of the bezel 10, and the metal members press the riveting projections 21 along the lateral direction of the metal intermediate plate 20 because the difference in hardness between the metal member and the metal intermediate plate is minimum. 170 HV, so the hardness of the metal member is very large with respect to the hardness of the metal intermediate plate 20, and when the metal member presses the rivet protrusion 21 laterally along the metal intermediate plate 20, the metal member does not deform, so the staking groove 13 does not When the deformation occurs, the rivet protrusion 21 is pressed and deformed and held in the undeformed rivet groove 13.
  • the rivet protrusion 21 is a schematic view of the rivet protrusion 21 after being clamped in the rivet groove 13. After the four sides of the frame 10 are stressed, the two rivet protrusions 21 are pressed by the pressing protrusion 15 and the second rivet groove 13 They are obliquely deformed away from each other and enter into the two riveting grooves 13 respectively until the riveting projections 21 completely enter the corresponding riveting grooves 13. The arrangement of the rivet groove 13 and the rivet protrusion 21, and under the condition that the metal member is not easily deformed by extrusion, the rivet protrusion 21 can be better deformed and filled into the rivet groove 13 to achieve a good riveting effect.
  • the cross-section of the rivet protrusion 21 is rectangular, and the cross-section of each rivet groove 13 is also rectangular, and the angle between the rivet grooves 13 is 5 ° ⁇ 30 °. In this range of angles, the inclination angle of the side wall of the rivet groove 13 is not large, and the entire rivet protrusion 21 is gradually deformed under the pressing of the pressing protrusion 15 and the staking groove 13 to smoothly enter the staking groove 13 completely.
  • the angle between the staking grooves 13 is 10°. In other embodiments, the angle between the rivet grooves 13 can also be any value within the range, such as 15°, 20°, 25°, and the like.
  • step S30 the positioning block 121 is inserted into the corresponding positioning groove 111, and a slit 14 is formed between the positioning block 121 and the end of the second metal member 12, and the slit 14 is exposed on the frame 10. Outside.
  • step S40 further including step S50, connecting the corresponding end portions of the adjacent metal members.
  • the end portion corresponding to the adjacent metal member is specifically filled with a welding material filled in the slit 14 to weld the first metal member 11 and the second metal member 12.

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  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Telephone Set Structure (AREA)

Abstract

一种手机中框加工工艺，包括：提供至少二金属构件（11、12），每一金属构件上形成有铆接槽（13）；提供边缘设有铆接凸起（21）的金属中板（20）；将每一金属构件分别对应安装于金属中板的边缘上以形成环绕金属中板的边框，铆接凸起容纳于金属构件的铆接槽内，铆接凸起与铆接槽间隙配合；对边框施力使铆接槽和铆接凸起二者中至少一发生形变，从而使得铆接凸起卡持于铆接槽内，进而使得边框和金属中板相连接形成手机中框。

Description

手机中框加工工艺
相关申请的交叉引用
本申请要求于2018年1月17日提交中国专利局，申请号为2018100447899，发明名称为“手机中框加工工艺”、2018年1月17日提交中国专利局，申请号为2018100457462，发明名称为“手机中框加工工艺”、2018年1月17日提交中国专利局，申请号为2018100443845，发明名称为“手机中框加工工艺”、2018年1月17日递交中国专利局，申请号为2018100438527，发明名称为“金属中框及金属中框的加工方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及手机部件加工技术领域，特别是涉及一种手机中框加工工艺。
背景技术
手机上使用的金属壳体不仅有着精美的外观，而且具有手感细腻、耐磨、防摔、抗腐蚀、废弃易回收再生利用等优点，因为倍受消费者的喜爱。其中，中框作为手机重要的一部分，其外表光滑、内侧结构较为复杂。目前手机中框的通用做法是：1、将整块铝合金、不锈钢、钢等板材经CNC切屑，钻铣加工制成，此种做法原材料消耗大，CNC加工量，加工效率低，成本高；但技术相对简单，是目前金属手机中框最主要的加工形式。2、将较薄的铝合金、不锈钢等板材经过锻造，达到所需的加工尺寸，减少CNC加工量，以减少制造成本。上述的两种生产方法均会在手机中框的中间部分形成大面积地废料部分，然后通过CNC切除中间部分，而且两者都存在方法复杂、效率低下的问题。
发明内容
根据本申请的各种实施例，提供一种手机中框加工工艺。
一种手机中框加工工艺，包括：
提供至少二金属构件，每一金属构件上形成有铆接槽；
提供边缘设有铆接凸起的金属中板；
将每一金属构件分别对应安装于所述金属中板的边缘上以形成环绕所述金属中板的边框，所述铆接凸起容纳于所述金属构件的所述铆接槽内，所述铆接凸起与所述铆接槽间隙配合；及
对所述边框施力使所述铆接槽和所述铆接凸起二者中至少一发生形变，从而使得所述铆接凸起卡持于所述铆接槽内，进而使得所述边框和所述金属中板相连接形成手机中框。
本发明的一个或多个实施例的细节在下面的附图和描述中提出。本发明的其它特征、目的和优点将从说明书、附图以及权利要求书变得明显。
附图说明
为了更好地描述和说明这里公开的那些发明的实施例和/或示例，可以参考一幅或多幅附图。用于描述附图的附加细节或示例不应当被认为是对所公开的发明、目前描述的实施例和/或示例以及目前理解的这些发明的最佳模式中的任何一者的范围的限制。
图1为本发明的一流程图；
图2为第一实施例的组成边框的第一金属构件和第二金属构件的立体结构示意图；
图3为第一实施例的由第一直线型材折弯而成的第一金属构件和由第二直线型材折弯而成的第二金属构件的立体结构示意图；
图4为第一实施例的金属中板的立体结构示意图；
图5为第一实施例的第一金属构件、第二金属构件和金属中板组合后的立体结构示意图；
图6为图5中圆圈A所圈部位的放大图；
图7为第一实施例的施力于由第一金属构件、第二金属构件和边框组成的组装结构的状态示意图；
图8为第一实施例的在铆接凸起卡持于铆接槽内之前铆接凸起插入铆接槽内的状态示意图；
图9为第一实施例的在铆接凸起卡持于铆接槽内后铆接凸起插于铆接槽内的状态示意图；
图10为第二实施例的在铆接凸起卡持于铆接槽内之前铆接凸起插入铆接槽内的状态示意图；
图11为第二实施例的边框未变形之前的部分结构示意图；
图12为第二实施例的在铆接凸起卡持于铆接槽内后铆接凸起插于铆接槽内的状态示意图；
图13为第二实施例的金属中板在受边框的挤压后的状态示意图；
图14为第三实施例的第一金属构件和第二金属构件的立体结构示意图；
图15为图14中圆圈B所圈部位的放大图；
图16为第三实施例的边框受力后定位块卡持于定位槽内的状态示意图；
图17为第四实施例的在铆接凸起卡持于铆接槽内之前铆接凸起插入铆接槽内的状态示意图；
图18为第四实施例的在铆接凸起卡持于铆接槽内后铆接凸起插于铆接槽内的状态示意图；
图19为第五实施例的第一金属构件和第二金属构件的立体结构示意图；
图20为第五实施例的外边框和金属中板组合成的组装结构的受力状态示意图；
图21为图20中圆圈C所圈部位的放大图；
图22为第五实施例的在铆接凸起卡持于铆接槽内之前铆接凸起插入铆接槽内的状态示意图；
图23为第五实施例的在铆接凸起卡持于铆接槽内后铆接凸起插于铆接 槽内的状态示意图。
具体实施方式
为了便于理解本发明，下面将参照相关附图对本发明进行更全面的描述。附图中给出了本发明的较佳实施例。但是，本发明可以以许多不同的形式来实现，并不限于本文所描述的实施例。相反地，提供这些实施例的目的是使对本发明的公开内容的理解更加透彻全面。
需要说明的是，当元件被称为“固定于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。
实施例一：
请参阅图1，本实施例公开了一种手机中框加工工艺，包括如下步骤：
步骤S10、提供至少二金属构件，每一金属构件上形成有铆接槽。
请参阅图2，在本实施例中，金属构件的数量为二个，分别位于第一金属构件11和第二金属构件13，第一金属构件11展开一字型结构后的长度大于第二金属构件12展开成一字型结构后的长度，第一金属构件11的内侧面上和第二金属构件12的内侧面上均设有一铆接槽13；第一金属构件11的各端部上设有定位槽111，第二金属构件12的各端部上设有定位块121。
在本实施例中，金属构件与金属中板20的硬度差为170HV-350HV，该硬度范围在使得金属构件发生挤压压缩的情形下也能挤压中板材料的铆接凸起21变形。在本实施例中，金属构件优选采用不锈钢材料制成，不锈钢的硬度优选为180HV～220HV。在其他实施例中，金属构件还可采用钛材料制成。
步骤S10具体包括：S11、制作具有铆接槽13的二直线型槽，分别为第一直线型材和第二直线型材；S12、折弯第一直线型材和第二直线型材，分别 形成如图3所示的第一金属构件11和第二金属构件12；S13、在第一金属构件11的各端部上加工出定位槽14，在第二金属构件12的各端部上加工出定位块15。
直线型材和铆接槽13同步加工制成或分步加工制成。在本实施例中，直线型槽和铆接槽13分步加工制成，先加工出直线型材，后在直线型材上CNC加工出铆接槽13。
直线型材和铆接槽13分步加工时，直线型材可通过两种方式制得，一种是通过从板料上裁切制得，另一种方式是通过拉制的方式制得，相对于通过锻压方式制作直线型材，这两种方式产生的中间废料更少，有助于减少废料的清理时间，提高材料利用率。
步骤S20、提供边缘设有铆接凸起的金属中板。
如图4所示，金属中板20呈长方形，金属中板20边缘设有铆接凸起21，铆接凸起21的数量为一个，且环绕金属中板20设置。金属中板的硬度为90HV-100HV，采用该硬度范围的金属中板20，使得金属中板20不要很大的挤压力便可发生变形，便于铆接凸起21的受压变形，而且该硬度范围也有利于金属中板20加工。进一步的，金属中板20采用轻质的软金属材料制成，例如铝、铝合金、镁、镁铝合金等，用该类型的金属材料制成金属中板20，可以减轻整个手机中框的质量。再进一步的，金属中板20优选采用铝材料制成，铝是一种质量轻，且易加工的金属材料，通过设置金属中板20采用铝材料制成，可以减轻整个手机中框的质量，而且也便于手机中框后续的加工制成。
步骤S30、将每一金属构件分别对应安装于金属中板20的边缘上以形成环绕金属中板20的边框10，铆接凸起21容纳于金属构件的铆接槽13内，铆接凸起21与铆接槽13间隙配合。
因为在本实施例中，金属构件的数量为二个，且分别为第一金属构件11和第二金属构件12，所以组装时，将第一金属构件11从金属中板20的一端通过插入的方式安装于金属中板20的边缘上，插入时第一金属构件11的二 臂部上的铆接槽部分分别与金属中板20两侧的铆接凸起部分对齐，以使铆接凸起21能插入第一金属构件11的铆接槽13内；同理，将第二金属构件12从金属中板20的另一端通过插入的方式安装于金属中板20的边缘上，插入时第二金属构件12的二臂部上的铆接槽部分分别与金属中板20两侧的铆接凸起部分对齐，以使铆接凸起21插入第二金属构件12的铆接槽13内；当第一金属构件11和第二金属构件12安装于金属中板20的边缘上后，第二金属构件12上的定位块121插入第一金属构件11的定位槽111内，如图5所示，第一金属构件11和第二金属构件12合成围绕金属中板20的边框10。因为第一金属构件11展开成一字型结构后的长度大于第二金属构件12展开成一字型结构后的长度，故第一金属构件11的臂部的长度大于第二金属构件12的臂部的长度，从而使得第一金属构件11的臂部的弹性偏大，第二金属构件12的臂部的弹性偏小，故在步骤S30中将定位块15插于相对应的定位槽14内后，弹性小的第二金属构件12的臂部可以防止弹性大的第一金属构件11的臂部外翻，从而使得由第一金属构件11和第二金属构件12组成的边框10能保持正确的形状，便于后续的挤压铆接。如图6所示，定位块112与第一金属构件11之间形成有用于填充焊接材料的缝隙14，缝隙14位于边框10的外侧，通过设置缝隙14位于边框10的外侧，便于往缝隙14内填充焊接材料来连接第一金属构件11和第二金属构件12。
步骤S40、对边框10施力使铆接槽13和铆接凸起21二者中至少一发生形变，从而使得铆接凸起21卡持于铆接槽13内，进而使得边框10和金属中板20相连接形成手机中框。
在本实施例中，如图7所示，沿垂直于金属中板20的顶面和底面的方向挤压边框10，边框10压缩并挤压铆接凸起21变形，变形后的铆接凸起21卡持于变形后的铆接槽13内，从而使得边框10和金属中板30相连接形成手机中框。因为金属构件比金属中板20的硬度大170HV-350HV，所以金属构件的硬度比较大，所以边框10受压压缩后能挤压铆接凸起21变形，压缩的边框10和铆接凸起21一起填充铆接凸起21和铆接槽13之间的间隙，相对 于单纯只靠硬度较大的金属构件压缩来填充铆接凸起21和铆接槽13之间的间隙，该方式能更好地填充铆接凸起21与铆接槽13之间的间隙，从而能更好地实现金属中板20与外边框10的连接。
为了便于边框10能更好地挤压铆接凸起21变形，在本实施例中，如图8所示，边框10未受力之前，铆接凸起21的横截面呈矩形状，铆接槽13呈燕尾状。燕尾状的铆接槽的边缘部能挤压铆接凸起的变形量往铆接槽13内跑，从而使得铆接凸起21和铆接槽13之间的间隙能被更好地填充，如图9所示，当铆接凸起21卡持于铆接槽13内后，铆接凸起21和铆接槽13均呈燕尾状，这能使边框10和金属中板20实现很好的连接，而且还使得外界的水不易从金属中板20和外边框10的连接处进入手机中框内，起到了好的防水效果。
步骤S50、连接相邻的所述金属构件相对应的端部。
在本实施例中，连接相邻的金属构件相对应的端部具体为：在所述焊接缝隙内填充焊接材料，以焊接所述第一金属构件11和第二金属构件12相对应的端部。
步骤S60、铣去凸出于边框10的外表面的焊接金属。
该步骤可以使边框10的外表面保持平整，便于对手机中框进行后续的表面处理工序。
本发明的手机中框加工工艺，通过单独制作边缘设有铆接凸起21的金属中板20，单独制作至少二具有铆接槽13的金属构件，再将金属中板20和金属构件组合成手机中框，铆接凸起21插入铆接槽13内，并与铆接槽13间隙配合，最后再通过向由金属构件组合成的边框10施加挤压力，使铆接凸起21和/或铆接凸起21变形，达到铆接凸起21卡持于铆接槽13内，以实现边框连接金属中板的目的，与现有加工方法相比，因为金属中板20单独制作，而边框10由单独制作的金属构件组合而成，然后边框10和金属中板20通过卡持的方式连接，故产生的中间废料非常少，原材料利用率达到百分之九十以上，大大降低了废料的处理时间，而且方法也变得更简单，大大提高了加 工效率。
可以理解的是，本发明的金属构件的制作和金属中板20的制作的顺序是可以调换的，不仅限于金属构件的制作在前，金属中板20的制作在后。在其他实施例中，也可以是金属中板20的制作在前，金属构件的制作在后。
实施例二：
本实施例与实施例一的不同点在于：如图10所示，在边框10未受力之前，铆接凸起21的横截面均呈矩形状，如图11所示，铆接槽13内对应敞口的边缘上设有若干锯齿131，若干锯齿131沿铆接槽13的长度方向间隔设置；在沿垂直于金属中板20的顶面和底面的方向挤压边框10时，如图12所示，各锯齿131在铆接凸起21上挤压出压槽211，如图13所示，铆接凸起21在锯齿131的挤压下产生变形量填充铆接凸起21与铆接槽13之间的间隙，使得铆接凸起21卡持于铆接槽13内。
实施例三：
本实施例与实施例一的不同点在于：第一金属构件11和第二金属构件12的相对应的端部不是通过焊接的方式连接。具体的，如图14和图15所示，定位槽111对应第一金属构件11的端面和外侧面敞口设置，定位块121位于第二金属构件12的端面上；在步骤S40中，如图16所示，边框变形后，定位块121卡持于变形的定位槽111内，从而使得第一金属构件11和第二金属构件12相连接。
实施例四：
本实施例与实施例一的不同点在于：金属中板20的硬度为90HV-100HV，金属构件的硬度差为0HV-50HV。
在步骤S40中，沿垂直于金属中板20的顶面和底面的方向挤压边框10，边框受力压缩，压缩的边框10将铆接凸起21和铆接槽13之间的间隙快速填充，并加压铆接凸起发生变形，变形的铆接凸起21卡持于变形的铆接槽13内，实现边框10和中板20的连接。因为金属中板的硬度比较小，而金属构件的硬度只比金属中板大0HV-50HV，所以金属构件的硬度也比较小，故只 需要很小的挤压力便可实现边框10变形填充铆接凸起21和铆接槽13之间的间隙，达到连接金属中板20和边框10的目的，又因为金属构件的硬度只比金属中板20大0HV-50HV，故金属构件和金属中板20的硬度非常接近，所以压缩的边框10挤压铆接凸起21时，只能使铆接凸起21发生微量的变形。
进一步的，金属构件采用轻质的软金属材料制成，采用该类型的金属材料制成金属构件，可以减轻整个手机中框的重量。再进一步的，金属构件采用铝、铝合金、镁、或镁铝合金制成。在本实施例中，金属构件采用铝制成，铝的硬度优选为90HV～150HV。
在未施力于边框10之前，如图17所示，铆接槽13的横截面呈矩形状，铆接凸起21呈燕尾状，这可使得边框10变形时，在铆接槽13的边缘接触铆接凸起21之前，变形的边框10不会挤压铆接凸起，故只有变形的边框10填充铆接凸起21和铆接槽13之间的间隙，在铆接槽13的边部接触铆接凸起21后，撤去施加于边框10上的力，这时铆接凸起21卡持于铆接槽13内，只需通过挤压软金属材料制成的边框10压缩便可达到铆接凸起21卡持于铆接槽13内，非常省力，而且也能达到更好的卡持效果；在铆接凸起21d卡持于铆接槽13内后，如图18所示，铆接凸起21和铆接槽13均呈燕尾状。该卡持方式能提高金属中板20和金属构件的连接，而且还使得外界的水不易从金属中板20和边框10的连接处进入手机中框内，起到了好的防水性。
实施例五：
本实施例与实施例一的不同点在于：在步骤S10中，如图19所示，金属构件的数量为四个，其中二个为直线状的第一金属构件11，另外二个为U型的第二金属构件12，铆接槽13设于第一金属构件11和第二金属构件12的内侧面上，第一金属构件11的各端部上设有定位槽111，第二金属构件12的各端部上设有定位块121。在本实施例中，定位槽111对应第一金属构件11的外侧面、端面、顶面和底面敞口设置。
金属构件和金属中板的硬度差最小为170HV。进一步的，金属构件优选采用钛材料制成，钛是一种重量轻，且强度高的金属材料，采用钛材料制成 金属构件，一方面，在通过边框10挤压金属中板20的四周时，不会使第一金属构件11和第二金属构件12变形，保证了外框架的形状，另一方面，可以减轻整个手机中框的重量。钛的硬度优选为300HV～400HV。
如图22所示，各金属构件上的铆接槽13的数量为二个，二铆接凸起21呈八字型对称设置，二铆接槽13底部之间的距离大于二铆接槽13e敞口之间的距离，铆接槽13之间形成横截面呈梯形的挤压凸起15。在本实施例中，铆接槽13对应第一金属构件11的外侧面、端面、顶面和底面敞口设置。
步骤S10具体包括：S11、制作四个具有铆接槽13的直线型槽，其中二个直线型材为第一直线型材，另外二个直线型材为第二直线型材，铆接槽13沿直线型材的长度方向贯穿直线型材；S12、第一直线型材作为第一金属构件11，第二直线型材折弯形成第二金属构件12；S13、在第一金属构件11的各端部上加工出定位槽111，各第二金属构件12的各端部上加工出定位块121。
本实施例的金属中板与实施例一的金属中板采用的金属材料相同，在步骤S20中，如图22所示，金属中板20上铆接凸起21的数量为二个，与铆接槽13一一对应设置，铆接凸起21平行设置；在步骤S30中，金属构件安装于金属中板20的边缘上时，铆接凸起21的自由端分别插入相对应的铆接槽13内，挤压凸起15插入铆接凸起21之间；
在本实施例中，在步骤S30中，组装时，先使二第一金属构件11分别安装于金属中板20的两侧，使金属中板20侧部的铆接凸起21插入第一金属构件11的铆接槽13内；随后，将二第二金属构件12从金属中板的20的两端通过插入的方式安装于金属中板20的边缘上，插入时，各第二金属构件12的二臂部上的铆接槽部分分别与金属中板20两侧的铆接凸起部分对齐，以使金属中板的铆接凸起插入第二金属构件12的铆接槽内，安装好后，第二金属构件12的定位块121插于第一金属构件11的定位槽13内，二第一金属构件11和二第二金属构件12合成环绕金属中板20的边框10。第二金属构件12的定位块121插入第一金属构件11的定位槽内，这可使得在组装中第二金属构件12能对第一金属构件11定位，从而使得二第一金属构件11和二第二金 属构件12组成的边框10能保持正确的形状，有利于后续挤压铆接，定位块121与第一金属构件11之间形成有缝隙14，缝隙14位于边框10的外侧，用于后续填充焊接材料，以使第一金属构件11和第二金属构件12的相对应的端部相焊接。
在步骤S40中，如图20所示，向边框10的四侧施加推力，各金属构件沿金属中板20的侧向挤压铆接凸起21，因为金属构件和金属中板的硬度差最小为170HV，所以金属构件的硬度相对于金属中板20的硬度非常大，在金属构件沿金属中板20的侧向挤压铆接凸起21时，金属构件不会发生变形，故铆接槽13不会发生变形，铆接凸起21被挤压变形卡持于未变形的铆接槽13内。
图23为铆接凸起21卡持于铆接槽13内后的示意图，边框10的四侧受力后，二铆接凸起21在挤压凸起15和二铆接槽13的挤压下，朝着远离彼此的方向倾斜变形并分别进入至二铆接槽13内，直至铆接凸起21完全进入相对应的铆接槽13内后为止。铆接槽13和铆接凸起21的该设置方式，并在金属构件不易挤压变形的条件下，可以使铆接凸起21能更好地变形填充铆接槽13，达到一个好的铆接效果。
进一步的，在未施力于边框10内之前，如图22所示，铆接凸起21的横截面呈矩形状，各铆接槽13的横截面也呈矩形状，铆接槽13之间的角度为5°～30°。在该角度范围内，铆接槽13的侧壁的倾斜角度不大，易使整个铆接凸起21在挤压凸起15和铆接槽13的挤压下逐渐变形顺利地完全进入至铆接槽13内，达到完全填充铆接凸起21和铆接槽13之间的间隙的效果，在挤压由二第一金属构件11和第二金属构件12组成的边框10的四周之前，相邻的第一金属构件11和第二金属构件12之间具有一定的间隔，挤压由二第一金属构件11和二第二金属构件12组成的边框10的四周时，第一金属构件11和第二金属构件12会因挤压铆接凸起21变形而相互靠拢，但是如果铆接槽13的侧壁的倾斜角度过大，会使得铆接凸起21变形速率也过大，这会导致铆接凸起21因变形速率过大只有部分进入铆接槽13内便卡死的现象发生， 而该现象会使得第一金属构件11和第二金属构件12之间还是存在比较大的间隔，进而使得U型的第一金属构件11和直线状的第二金属构件12法无法很好地拼接成边框10。在本实施例中，铆接槽13之间的角度为10°。在其他实施例中，铆接槽13之间的角度也可以是该范围内的任一值，例如15°、20°、25°等。
如图21所示，在步骤S30中，定位块121插于相对应的定位槽111内，定位块121与第二金属构件12的端部之间形成有缝隙14，缝隙14裸露在边框10的外侧。
在步骤S40之后，还包括步骤S50、连接相邻的所述金属构件相对应的端部。在本实施例中，连接相邻的所述金属构件相对应的端部具体为：在缝隙14内填充焊接材料，使第一金属构件11和第二金属构件12相焊接。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (35)

  1. 一种手机中框加工工艺，包括：
    提供至少二金属构件，每一金属构件上形成有铆接槽；
    提供边缘设有铆接凸起的金属中板；
    将每一金属构件分别对应安装于所述金属中板的边缘上以形成环绕所述金属中板的边框，所述铆接凸起容纳于所述金属构件的所述铆接槽内，所述铆接凸起与所述铆接槽间隙配合；及
    对所述边框施力使所述铆接槽和所述铆接凸起二者中至少一发生形变，从而使得所述铆接凸起卡持于所述铆接槽内，进而使得所述边框和所述金属中板相连接形成手机中框。
  2. 根据权利要求1所述的手机中框加工工艺，其特征在于，所述金属构件的硬度大于所述金属中板的硬度；
    所述对所述边框施力使所述铆接槽和所述铆接凸起二者中至少一发生形变，从而使得所述铆接凸起卡持于所述铆接槽内，进而使得所述边框和所述金属中板相连接形成所述手机中框，包括：
    沿垂直于所述金属中板的顶面和底面的方向挤压所述边框，所述边框压缩并挤压所述铆接凸起变形，变形后的所述铆接凸起卡持于变形后的所述铆接槽内，从而使得所述边框和所述金属中板相连接形成手机中框。
  3. 根据权利要求2所述的手机中框加工工艺，其特征在于，所述金属中板的硬度为90HV-100HV。
  4. 根据权利要求3所述的手机中框加工工艺，其特征在于，所述金属中板采用轻质金属材料制成。
  5. 根据权利要求4所述的手机中框加工工艺，其特征在于，所述金属中板的材料选自用铝、铝合金、镁、镁铝合金中的至少一种。
  6. 根据权利要求4所述的手机中框加工工艺，其特征在于，所述金属构件与所述金属中板的硬度差为170HV-350HV。
  7. 根据权利要求6所述的手机中框加工工艺，其特征在于，所述金属构 件采用不锈钢或钛制成。
  8. 根据权利要求6所述的手机中框加工工艺，其特征在于，在施力于所述边框之前，所述铆接槽的横截面呈燕尾状，所述铆接凸起的横截面呈矩形，所述铆接凸起的宽度小于所述铆接槽的最小宽度。
  9. 根据权利要求6所述的手机中框加工工艺，其特征在于，所述铆接槽边缘上设有多个锯齿，所述多个锯齿沿所述铆接槽的长度方向间隔设置；在沿垂直于所述金属中板的顶面和底面的方向挤压所述边框时，所述铆接凸起在所述多个锯齿的挤压下发生变形以填充所述铆接凸起与所述铆接槽之间的间隙。
  10. 根据权利要求3所述的手机中框加工工艺，其特征在于，所述金属构件与所述金属中板的硬度差为0HV-50HV。
  11. 根据权利要求10所述的手机中框加工工艺，其特征在于，所述金属构件采用轻质金属材料。
  12. 根据权利要求11所述的手机中框加工工艺，其特征在于，所述金属构件选自用铝、铝合金、镁、镁铝合金中的一种制成。
  13. 根据权利要求10所述的手机中框加工工艺，其特征在于，在施力于所述边框之前，所述铆接槽的横截面呈矩形状，所述铆接凸起呈燕尾状，所述铆接凸起的最大宽度小于所述铆接槽的宽度。
  14. 根据权利要求2所述的手机中框加工工艺，其特征在于，所述至少二金属构件包括第一金属构件和第二金属构件，所述第一金属构件和所述第二金属构件均呈U型。
  15. 根据权利要求14所述的手机中框加工工艺，其特征在于，所述第一金属构件的长度大于所述第二金属构件的长度，所述第一金属构件的各端部上设有定位槽，所述第二金属构件的各端部上设有定位块；在每一所述金属构件安装于所述中板的边缘上后，所述第二金属构件的所述定位块插入所述第一金属构件的所述定位槽内。
  16. 根据权利要求15所述的手机中框加工工艺，其特征在于，所述提供 至少二金属构件，每一金属构件上形成有铆接槽具体包括：制作二具有铆接槽的直线型材，分别为第一直线型材和第二直线型材，所述铆接槽沿所述直线型材的长度方向贯穿所述直线型材；折弯所述第一直线型材和第二直线型材，分别形成所述第一金属构件和所述第二金属构件；在所述第一金属构件的各端部上加工出所述定位槽，在所述第二金属构件的各端部上加工出所述定位块。
  17. 根据权利要求16所述的手机中框加工工艺，其特征在于，所述直线型材和所述铆接槽同步加工制成。
  18. 根据权利要求16所述的手机中框加工工艺，其特征在于，所述直线型材和所述铆接槽分别加工制成，先加工出所述直线型槽，后在所述直线型槽上加工出铆接槽。
  19. 根据权利要求18所述的手机中框加工工艺，其特征在于，所述直线型材从板料上裁切所得，或，所述直线型材通过拉制的方式制得。
  20. 根据权利要求15所述的手机中框加工工艺，其特征在于，所述定位槽对应所述第一金属构件的外侧面、顶面、底面和端面敞口设置；在所述定位块插于所述定位槽内后，所述定位块与所述第一金属构件的端部之间形成一缝隙，所述焊接缝隙位于所述边框的外侧；在所述对所述边框施力使所述铆接槽和所述铆接凸起二者中至少一发生形变，从而使得所述铆接凸起卡持于所述铆接槽内，进而使得所述边框和所述金属中板相连接形成所述手机中框之后，还包括步骤：连接相邻的所述金属构件相对应的端部，所述步骤连接相邻的所述金属构件相对应的端部具体为：往所述缝隙内填充焊接材料，以使第一金属构件和第二金属构件相对应的端部连接。
  21. 根据权利要求20所述的手机中框加工工艺，其特征在于，在所述连接相邻的所述金属构件相对应的端部之后，还包括：铣去凸出于所述边框的外表面的焊接金属。
  22. 根据权利要求15所述的手机中框加工工艺，其特征在于，所述定位槽对应所述第一金属构件的外侧面和端面敞口设置；施力于所述边框上后， 所述定位槽变形，所述定位块卡持于变形的所述定位槽内，使第一金属构件和第二金属构件相连接。
  23. 根据权利要求1所述的手机中框加工工艺，其特征在于，各所述金属构件的硬度大于所述金属中板的硬度；所述对所述边框施力使所述铆接槽和所述铆接凸起二者中至少一发生形变，从而使得所述铆接凸起卡持于所述铆接槽内，进而使得所述边框和所述金属中板相连接形成所述手机中框，包括：在所述边框的四侧施加推力，所述边框沿所述金属中板的四侧挤压所述铆接凸起，所述铆接凸起被挤压变形卡持于未变形的所述铆接槽内。
  24. 根据权利要求23所述的手机中框加工工艺，其特征在于，所述金属中板的硬度为90HV-100HV，所述金属构件与所述金属中板的硬度差最小为170HV。
  25. 根据权利要求24所述的手机中框加工工艺，其特征在于，所述金属中板采用轻质金属材料制成。
  26. 根据权利要求25所述的手机中框加工工艺，其特征在于，所述金属中板的材料选自用铝、铝合金、镁、镁铝合金中的一种制成。
  27. 根据权利要求24任一项所述的手机中框加工工艺，其特征在于，所述金属构件采用钛材料制成。
  28. 根据权利要求23所述的手机中框加工工艺，其特征在于，所述金属构件的数量为四个，其中二个为直线状的第一金属构件，另外二个为U型的第二金属构件，所述第一金属构件的各端部设有定位槽，所述第二金属构件的各端部设有定位块；在每一所述金属构件安装于所述金属中板的边缘上后，所述第二金属构件的所述定位块插入所述第一金属构件的所述定位槽内。
  29. 根据权利要求28所述的手机中框加工工艺，其特征在于，所述定位槽对应所述第一金属构件的外侧面、顶面、底面和端面敞口设置；所述定位块插入定位槽后，所述定位块与所述第一金属构件的端部之间形成一缝隙，所述焊接缝隙位于所述边框的外侧；在所述对所述边框施力使所述铆接槽和所述铆接凸起二者中至少一发生形变，从而使得所述铆接凸起卡持于所述铆 接槽内，进而使得所述边框和所述金属中板相连接形成所述手机中框之后，还包括:连接相邻的所述金属构件相对应的端部；所述连接相邻的所述金属构件相对应的端部具体为：往所述缝隙内填充焊接材料，以使第一金属构件和第二金属构件相对应的端部连接。
  30. 根据权利要求29所述的手机中框加工工艺，其特征在于，在所述连接相邻所述金属构件相对应的端部之后，还包括：铣去凸出于所述边框的外表面的焊接金属。
  31. 根据权利要求28所述的手机中框加工工艺，其特征在于，所述提供至少二金属构件，每一金属构件上形成有铆接槽具体包括：制作四个具有铆接槽的直线型槽，其中二个直线型材为第一直线型材，另外二个所述直线为第二直线型材，所述铆接槽沿所述直线型槽的长度方向贯穿所述直线型材；所述第一直线型材作为所述第一金属构件，折弯所述第二直线型材形成所述第二金属构件；在所述第一金属构件的各端部上加工出定位槽，在所述第二金属构件的各端部上加工出定位块。
  32. 根据权利要求31所述的手机中框加工工艺，其特征在于，所述直线型材和所述铆接槽分别加工制成，先是加工出所述直线型材，后再在直线型槽上加工出铆接槽。
  33. 根据权利要求32所述的手机中框加工工艺，其特征在于，所述直线型材从板料上裁切所得。
  34. 根据权利要求23所述的手机中框加工工艺，其特征在于，各所述金属构件上的铆接槽的数量为二个，二所述铆接槽呈八字型对称设置，二所述铆接槽底部之间的距离大于二所述铆接槽敞口之间的距离，所述铆接槽之间形成横截面呈梯形的挤压凸起；所述金属中板上铆接凸起的数量为二个，与所述铆接槽一一对应设置，所述铆接凸起平行设置；将所述金属构件安装于所述金属中板的边缘上时，所述铆接凸起的自由端分别插入相对应的铆接槽内，所述挤压凸起插入所述铆接凸起之间；在所述边框的四侧受力后，二所述铆接凸起在所述挤压凸起和二所述铆接槽的挤压下，朝着远离彼此的方向 倾斜变形并分别逐渐进入二所述铆接槽内，直至铆接凸起完全进入相对应的所述铆接槽内为止。
  35. 根据权利要求34所述的手机中框加工工艺，其特征在于，所述铆接槽的横截面和变形前的所述铆接凸起的横截面相似，且均呈矩形，所述铆接槽之间所成的角度为5°～30°。
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