CN110524790A - Center production method, center and electronic equipment - Google Patents
Center production method, center and electronic equipment Download PDFInfo
- Publication number
- CN110524790A CN110524790A CN201910817528.0A CN201910817528A CN110524790A CN 110524790 A CN110524790 A CN 110524790A CN 201910817528 A CN201910817528 A CN 201910817528A CN 110524790 A CN110524790 A CN 110524790A
- Authority
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- China
- Prior art keywords
- frame
- blind hole
- middle plate
- center
- production method
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
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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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Signal Processing (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of center production methods, comprising steps of providing metal middle plate；Go out the frame of plastic cement in the outer peripheral edge injection molding of middle plate, and preset side opening position molds blind hole on frame；Spray painting processing and electroplating processes are carried out to the outer surface of frame；It is processed by CNC and blind hole machining is obtained into preset side opening at through-hole, and milling cutter avoids the opening portion of blind hole in CNC process.Meanwhile providing a kind of center and a kind of electronic equipment.The invention has the benefit that on the make frame when, in the frame of the peripheral injection molding plastic cement of metal middle plate, frame is assigned with metallic luster by spray painting processing and electroplating processes again, and for the side opening on frame, CNC is solved by the way of getting through after first injection molding blind hole, guarantee that the appearance of frame is good, to achieve the purpose that reduce difficulty of processing and improve working efficiency.
Description
Technical field
The present invention relates to electronic products manufacturing technology field, more particularly to a kind of center production method, a kind of center, with
And a kind of electronic equipment.
Background technique
Most of mobile terminal can all use the combination of front cover, center and rear cover to constitute the basic of product
Frame structure.Front cover is mainly used for installing display screen, in some designs, can also be designed using full screen formula, i.e., display screen takes
For the front cover of traditional sense.Center is then the carrier of the most of electronic device of mobile terminal, is the core of mobile terminal
Part.Rear cover then covers center opposite to each other in the one side of display screen, for protecting the electronic device on center.
Most of traditional center is all-metal product, and whole weight is larger, and needs during production
It is processed by CNC to the various minutias of metal material refine, difficulty of processing is larger, and working efficiency is lower.
Summary of the invention
Based on this, the present invention provides a kind of center production method, in the peripheral injection molding plastic cement system of metal middle plate
Frame, then frame is assigned by spray painting processing and electroplating processes with metallic luster, and for the side opening on frame, using elder generation
The mode that CNC is got through after injection molding blind hole solves, and guarantees that the appearance of frame is good, so that reaching reduces difficulty of processing and raising
The purpose of working efficiency.
A kind of center production method, comprising steps of
Metal middle plate is provided；
Go out the frame of plastic cement in the outer peripheral edge injection molding of middle plate, and preset side opening position molds on frame
Blind hole；
Spray painting processing and electroplating processes are carried out to the outer surface of frame；
It is processed by CNC and blind hole machining is obtained into preset side opening at through-hole, and milling cutter is kept away in CNC process
Allow the opening portion of blind hole.
Above-mentioned center production method makes center in such a way that metal middle plate is in conjunction with the frame of plastic cement.In
The outer peripheral edge of metal middle plate, obtains the frame of plastic cement by way of injection molding, to reduce center manufacturing process
In frame manufacture difficulty, frame molding after, by spray painting processing and electroplating processes make the outer surface of frame have metal
Gloss.Meanwhile for the side opening on frame, it is first shaped to blind hole in injection molding, is completed at spray painting in the outer surface of frame
After reason and electroplating processes, then is processed by CNC and get through blind hole for through-hole to obtain required side opening.And get through blind hole
In the process, the opening portion of milling cutter evacuation blind hole avoids the paint and electroplated layer of the opening of milling cutter damage side opening, guarantees frame
Appearance is good.By above-mentioned design, in the frame of the peripheral injection molding plastic cement of metal middle plate, then pass through spray painting processing
Frame is assigned with metallic luster, and for the side opening on frame with electroplating processes, is got through using CNC after first injection molding blind hole
Mode solve, guarantee that the appearance of frame is good, thus achieve the purpose that reduce difficulty of processing and improve working efficiency.
In one of the embodiments, in the step of providing metal middle plate, middle plate obtains for die cast, or
Middle plate is that CNC processes to obtain or middle plate is to process to obtain by CNC after die cast.It can be with for the acquisition modes of middle plate
There are many, such as die cast, CNC processing or to be die cast process with CNC combines, according to the precision need of product
It asks, selects satisfactory processing method.
In one of the embodiments, in the step of providing metal middle plate, middle plate includes: plate body and is connected to plate
The surrounding edge of the outer peripheral edge of body；And go out the frame of plastic cement, and the preset side on frame in the outer peripheral edge injection molding of middle plate
Hole site molded in the step of blind hole, and frame takes shape in the outer surface on surrounding edge and being coated on surrounding edge.Plate body is as electronics
The main carriers of device, and the intensity of frame after shaping can be improved as the molding metal support frame of frame in surrounding edge.
Surrounding edge is equipped with the first card slot in one of the embodiments,；Frame is equipped with the first clamping part for fastening the first card slot.
After frame molding, the first clamping part and the first card slot form firm clamping structure, can be improved between middle plate and frame
Stable connection.
Plate body is equipped with the second card slot in one of the embodiments,；Frame, which is equipped with, extends on plate body and fastens the second card
Second clamping part of slot.After frame molding, the second clamping part and the second card slot form firm clamping structure, can be improved
Stable connection between plate and frame.
Go out the frame of plastic cement in the outer peripheral edge injection molding of middle plate in one of the embodiments, and on frame
In the step of preset side opening position molds blind hole, blind hole is located at the outer surface of frame and is open towards the outside of frame.It is blind
Hole is set to the outer surface of frame and is open towards the outside of frame, so that during blind hole is got through in subsequent CNC processing,
Milling cutter is easier to avoid the opening portion of blind hole, and the cutter trade of milling cutter remains on the inner wall and bottom section of blind hole, more preferably
The appearance of ground protecting border.
The shape of blind hole is bellmouth wide outside and narrow inside in one of the embodiments,.Blind hole is taper wide outside and narrow inside
Hole design, can allow milling cutter preferably to avoid the opening portion of blind hole, and more easily add to the inner wall of blind hole and bottom section
Work.
Go out the frame of plastic cement in the outer peripheral edge injection molding of middle plate in one of the embodiments, and on frame
After the step of preset side opening position molds blind hole, and spray painting processing and electroplating processes are carried out in the outer surface to frame
Before step, further comprises the steps of: and polish the outer surface of frame to improve the outer surface finish of frame and flatness.In
Before frame carries out spray painting processing and electroplating processes, polishes frame, the finish and flatness of its outer surface can be improved,
So that the appearance of the frame after spraying and plating is good.
Meanwhile the present invention also provides a kind of centers.
A kind of center is made using the center production method of any of the above-described embodiment.The advantages of center, is, is making
When the center, assigned in the frame of the peripheral injection molding plastic cement of metal middle plate, then by spray painting processing and electroplating processes
Frame is given with metallic luster, and for the side opening on frame, CNC is solved by the way of getting through after first injection molding blind hole,
Guarantee that the appearance of frame is good, to achieve the purpose that reduce difficulty of processing and improve working efficiency.
Meanwhile the present invention also provides a kind of electronic equipment
A kind of electronic equipment, the center including above-described embodiment.The advantages of electronic equipment, is, on the make when frame,
Frame is assigned in the frame of the peripheral injection molding plastic cement of metal middle plate, then by spray painting processing and electroplating processes with gold
Belong to gloss, and for the side opening on frame, CNC is solved by the way of getting through after first injection molding blind hole, guarantees frame
Appearance is good, to achieve the purpose that reduce difficulty of processing and improve working efficiency.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the center production method of embodiment of the invention；
Fig. 2 is the schematic diagram of the middle plate in center production method shown in FIG. 1；
Fig. 3 is the enlarged diagram of the part A in Fig. 2；
Fig. 4 is the enlarged diagram of the part B in Fig. 2；
Fig. 5 is schematic diagram of the middle plate after injection molding goes out frame in center production method shown in FIG. 1；
Fig. 6 is the partial schematic diagram of the frame in Fig. 5；
Fig. 7 is the schematic diagram of the frame in Fig. 5；
Fig. 8 is the enlarged diagram of the part C in Fig. 7；
Fig. 9 is the enlarged diagram of the part D in Fig. 7；
Figure 10 is the cross-sectional view of the blind hole in Fig. 9.
The meaning of each label in attached drawing are as follows:
Plate in 10-, 11- plate body, the second card slot of 111-, 12- surrounding edge, the first card slot of 121-；
20- frame, 21- blind hole, the first clamping part of 22-, the second clamping part of 23-, 231- double wedge.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough
Comprehensively.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
It as shown in Figures 1 to 10, is a kind of center production method of embodiment of the invention.
As shown in Figure 1, the center production method comprising steps of
S10: metal middle plate 10 is provided.
As shown in Fig. 2, providing metal middle plate 10, plate 10 is metal plate made of pre-production in this.For example, at this
In implementation, plate 10 is obtained by die cast in this, forms to obtain for example, by using die casting.In other embodiments, in this
Plate 10 is also possible to metal embryo material and is process by CNC.It or is the young bird for first passing through die casting and molding middle plate 10
Shape, then processed by CNC and carry out refine.In practice, the production method of middle plate 10 depends on the precision of current moulding process
And product accuracy requirement and select.Wherein, the most efficiently and easy by the way of die cast, but its precision is opposite
The precision of CNC processing is low.And the mode for directlying adopt CNC processing metal embryo material is big with respect to the low efficiency of die cast and difficulty.
Accordingly it is also possible to which die cast and CNC processing are combined, i.e., first die cast, rear CNC processes refine.For in made of metal
The acquisition pattern of plate 10 can select satisfactory processing method according to the accuracy requirement of product.
S20: go out the frame 20 of plastic cement, and the preset side opening on frame 20 in the outer peripheral edge injection molding of middle plate 10
Position molds blind hole 21.
As shown in figure 5 and figure 7, middle plate 10 is put into injection mold and carries out injection process, so that plastic material adheres to
In middle plate 10 outer peripheral edge and mold the frame 20 of plastic cement.Also, in view of needing to be arranged on the outside of the center of finished product
Therefore side opening molds blind hole 21 in preset side opening position.It should be noted that the side opening on frame 20 in this programme
All hole locations referred on frame 20 are not only defined in, can refer to the either whole hole locations of certain hole locations on frame 20.
It in general, the side opening refers to the sound outlet hole being arranged on frame 20, card pin hole, the hole MIC and key hole etc., or is one
The through-hole structure obtained by injection mold straight forming is difficult to because size is smaller a bit.
As shown in figure 5, in the present embodiment, blind hole 21 is located at the outer surface of frame 20 and is open towards the outer of frame 20
Side.Blind hole 21 is set to the outer surface of frame 20 and is open towards the outside of frame 20, when subsequent blind hole 21 is got through
It waits, is inwardly processed the inner wall of blind hole 21 and bottom section from the outside of frame 20 by milling cutter.Also, make subsequent
During blind hole 21 is got through in CNC processing, milling cutter is easier to avoid the opening portion of blind hole 21, and the cutter trade residual of milling cutter
In the inner wall and bottom section of blind hole 21, the preferably appearance of protecting border 20.
Further, as shown in connection with fig. 10, which is preferably shaped to bellmouth wide outside and narrow inside.Blind hole 21 is outer
The design of narrow bellmouth, can allow milling cutter preferably to avoid the opening portion of blind hole 21, and more easily to blind hole 21 in width
Inner wall and bottom section processing.
In addition, it is contemplated that the intensity of the frame 20 of plastic cement compared to metal structure it is weak, therefore, can with centering plate 10 with
The structure of frame 20 is improved.
For example, as shown in Fig. 2, middle plate 10 includes: the surrounding edge of plate body 11 with the outer peripheral edge for being connected to plate body 11 in S10
12.And as shown in Fig. 2, frame 20 takes shape on surrounding edge 12 and is coated on the outer surface of surrounding edge 12 in S20.Plate body 11 is made
For the main carriers of electronic device, and surrounding edge 12 is used as the molding metal support frame of frame 20, and frame 20 can be improved and exist
Intensity after molding.It should be noted that the position on surrounding edge 12 corresponding to preset side opening can be reserved keeps away position accordingly
Hole or notch.
Further, in order to reinforce the binding force of frame 20 Yu middle plate 10, plate 10 and frame 20 in reinforcement can also be set
Stable connection structure.
For example, as shown in figure 3, in the present embodiment, surrounding edge 12 is equipped with the first card slot 121.As shown in figure 8, frame 20 is set
There is the first clamping part 22 for fastening the first card slot 121.After the molding of frame 20, the first clamping part 22 and the formation of the first card slot 121
The stable connection between middle plate 10 and frame 20 can be improved in firm clamping structure.For example, as shown in figure 3, in this implementation
In example, the first card slot 121 of multiple outer narrow inner widths is distributed in surrounding edge 12, correspondingly, as shown in figure 8, frame 20 is after shaping, and In
Its inside molds the first clamping part 22 of outer narrow inner width, and the first card slot 121 and the second clamping part 23 closely snap together.
Supplementary explanation, in other embodiments, the first card slot 121 can also be set on frame 20, and first
Clamping part 22 is set on middle plate 10.
In another example as shown in figure 4, in the present embodiment, plate body 11 is equipped with the second card slot 111.As shown in figure 9, frame 20
Equipped with the second clamping part 23 for extending on plate body 11 and fastening the second card slot 111.After the molding of frame 20, the second clamping part 23
Firm clamping structure is formed with the second card slot 111, the stable connection between middle plate 10 and frame 20 can be improved.
Further, in order to reinforce the binding force of the second card slot 111 and the second clamping part 23, in the present embodiment, second
The outside of clamping part 23 is equipped with the convex block for improving binding force, such as the double wedge 231 of triangle shown in Fig. 9.
Supplementary explanation, in other embodiments, the second card slot 111 can also be set on frame 20, and second
Clamping part 23 is set on middle plate 10.
In addition, in other embodiments, can also be locked and connected by screw between surrounding edge 12 and frame 20.Together
Reason, can also be locked and connected between plate body 11 and frame 20 by screw, for example, frame 20 can be set and extend to plate body
Extension in 11, then locked together extension and plate body 11 by screw.
S30: spray painting processing and electroplating processes are carried out to the outer surface of frame 20.
Since frame 20 is plastic cement material, it is difficult to reach the surface demand of the metallic luster of current mainstream, so, on side
After 20 injection molding of frame, need to carry out the outer surface of frame 20 paint processing and electroplating processes, after spray painting processing, to frame
20 outer surface is electroplated so that the frame 20 of plastic cement also can have product needed for metallic luster superficial layer.
In addition, in order to make appearance of the outer surface of frame 20 after spray painting processing and electroplating processes more preferable.S20 it
It afterwards, can be comprising steps of polishing the outer surface of frame 20 to improve the outer surface light of frame 20 and before S30
Cleanliness and flatness.Before frame 20 carries out spray painting processing and electroplating processes, polishes frame 20, its appearance can be improved
The finish and flatness in face, so that the appearance of the frame 20 after spraying and plating is good.
S40: it is processed by CNC and blind hole 21 is processed into through-hole to obtain preset side opening, and in CNC process
The opening portion of milling cutter evacuation blind hole 21.
After the completion of the spray painting processing of frame 20 and electroplating processes, need to process by CNC by the position of preset side opening
On blind hole 21 get through so that blind hole 21 become through-hole.And in S30 to the outer surface of frame 20 carry out spray painting processing and
Electroplating processes, therefore, during CNC gets through blind hole 21, milling cutter needs to avoid the opening portion of blind hole 21, avoids blind hole
Paint and the electroplated layer damage (such as the leakage of peeling paint, plastic cement and the problems such as turn up) of 21 opening portion, guarantee that CNC adds
The appearance of the opening portion for the side opening that work obtains is good.
In addition, for some special side openings on frame 20, such as side switch hole shown in fig. 6, in S20, blind hole 21
At the time of molding, second level blind hole 21 can be molded in the bottom section of blind hole 21, in S40, second level blind hole 21 need to be only carried out
CNC processing is got through.
Above-mentioned center production method, makes in such a way that metal middle plate 10 is combined with the frame 20 of plastic cement
Frame.In the outer peripheral edge of metal middle plate 10, the frame 20 of plastic cement is obtained by way of injection molding, to reduce center
20 manufacture difficulty of frame in manufacturing process makes frame 20 by spray painting processing and electroplating processes after the molding of frame 20
Outer surface has metallic luster.Meanwhile for the side opening on frame 20, blind hole 21 is first shaped in injection molding, in frame
After spray painting processing and electroplating processes are completed in 20 outer surface, then by CNC processing blind hole 21 got through required to obtain for through-hole
Side opening.And during getting through blind hole 21, milling cutter avoids the opening portion of blind hole 21, avoids the opening of milling cutter damage side opening
The paint and electroplated layer at place guarantee that the appearance of frame 20 is good.By above-mentioned design, in the periphery injection molding of metal middle plate 10
The frame 20 of forming plastic cement, then frame 20 is assigned with metallic luster by spray painting processing and electroplating processes, and is directed to frame
Side opening on 20, CNC is solved by the way of getting through after first injection molding blind hole 21, guarantees that the appearance of frame 20 is good, thus
Achieve the purpose that reduce difficulty of processing and improves working efficiency.
Meanwhile the present invention also provides a kind of centers.
The center is made using the center production method of above-described embodiment.In the present embodiment, which is mobile phone center,
In other embodiments, which is also possible to tablet computer center or palm PC center, or is during other have
The center of the mobile terminal of mount structure, or be in other electronic equipments with middle frame structure except mobile terminal
Frame.
The advantages of center, is, when making the center, in the peripheral injection molding plastic cement system of metal middle plate 10
Frame 20, then assign frame 20 by spray painting processing and electroplating processes with metallic luster, and for the side opening on frame 20,
CNC is solved by the way of getting through after first injection molding blind hole 21, guarantees that the appearance of frame 20 is good, to reach reduction processing
Difficulty and the purpose for improving working efficiency.
Meanwhile the present invention also provides a kind of electronic equipment.
The electronic equipment includes the center of above-described embodiment.In the present embodiment, which is mobile phone, in other realities
It applies in example, which is also possible to tablet computer or palm PC, or is other movements with middle frame structure
Terminal, or be other except mobile terminal electronic equipments with middle frame structure.
The advantages of electronic equipment, is, on the make when frame, in the peripheral injection molding plastic cement of metal middle plate 10
The frame 20 of system, then frame 20 is assigned with metallic luster by spray painting processing and electroplating processes, and for the side on frame 20
Hole, CNC is solved by the way of getting through after first injection molding blind hole 21, guarantees that the appearance of frame 20 is good, to reach reduction
Difficulty of processing and the purpose for improving working efficiency.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Therefore above embodiments only express embodiments of the present invention, and the description thereof is more specific and detailed, but can not be
And it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art, not taking off
Under the premise of from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.Cause
This, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of center production method, it is characterised in that: comprising steps of
Metal middle plate is provided；
Go out the frame of plastic cement in the outer peripheral edge injection molding of the middle plate, and on the frame preset side opening position at
Type goes out blind hole；
Spray painting processing and electroplating processes are carried out to the outer surface of the frame；
It is processed by CNC and the blind hole machining is obtained into preset side opening at through-hole, and milling cutter is kept away in CNC process
Allow the opening portion of the blind hole.
2. center production method according to claim 1, which is characterized in that the offer metal middle plate the step of
In, it is after CNC processes to obtain or the middle plate is die cast that the middle plate, which obtains the perhaps middle plate for die cast,
It processes to obtain by CNC.
3. center production method according to claim 1, which is characterized in that the offer metal middle plate the step of
In, the middle plate includes: the surrounding edge of plate body with the outer peripheral edge for being connected to the plate body；And it is molded into the outer peripheral edge of the middle plate
Type goes out the frame of plastic cement, and in the step of side opening preset on frame position molds blind hole, the frame at
Type is on the surrounding edge and being coated on the outer surface of the surrounding edge.
4. center production method according to claim 3, which is characterized in that the surrounding edge is equipped with the first card slot；The side
Frame is equipped with the first clamping part for fastening first card slot.
5. center production method according to claim 3, which is characterized in that the plate body is equipped with the second card slot；The side
Frame is equipped with the second clamping part for extending on the plate body and fastening second card slot.
6. center production method according to claim 1, which is characterized in that go out in the outer peripheral edge injection molding of the middle plate
The frame of plastic cement, and in the step of side opening preset on frame position molds blind hole, the blind hole is located at institute
It states the outer surface of frame and is open towards the outside of the frame.
7. center production method according to claim 6, which is characterized in that the shape of the blind hole is cone wide outside and narrow inside
Shape hole.
8. center production method according to claim 1, which is characterized in that go out in the outer peripheral edge injection molding of the middle plate
The frame of plastic cement, and after the step of side opening preset on frame position molds blind hole, and described to institute
The outer surface for stating frame carry out spray painting processing and the step of electroplating processes before, further comprise the steps of: the outer surface to the frame
It polishes to improve the outer surface finish of the frame and flatness.
9. a kind of center, which is characterized in that be made using the described in any item center production methods of claim 1 to 8.
10. a kind of electronic equipment, which is characterized in that including center as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910817528.0A CN110524790B (en) | 2019-08-30 | 2019-08-30 | Middle frame manufacturing method, middle frame and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910817528.0A CN110524790B (en) | 2019-08-30 | 2019-08-30 | Middle frame manufacturing method, middle frame and electronic equipment |
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| CN110524790A true CN110524790A (en) | 2019-12-03 |
| CN110524790B CN110524790B (en) | 2023-03-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111629090A (en) * | 2020-05-12 | 2020-09-04 | 广东长盈精密技术有限公司 | Middle frame and manufacturing method thereof |
| CN113747718A (en) * | 2021-09-09 | 2021-12-03 | 维沃移动通信有限公司 | Housing assembly and electronic device |
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| CN110524790B (en) | 2023-03-10 |
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