CN108288811A - Micro USB connectors moulding process twice - Google Patents
Micro USB connectors moulding process twice Download PDFInfo
- Publication number
- CN108288811A CN108288811A CN201810053705.8A CN201810053705A CN108288811A CN 108288811 A CN108288811 A CN 108288811A CN 201810053705 A CN201810053705 A CN 201810053705A CN 108288811 A CN108288811 A CN 108288811A
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- China
- Prior art keywords
- hollow slots
- terminal
- insulating body
- groove
- module
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
- H01R43/24—Assembling by moulding on contact members
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- Manufacturing Of Electrical Connectors (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The present invention discloses a kind of Micro USB connectors moulding process twice, includes the following steps：One：Metal frame and multiple conducting terminals are put into injection mold to position；Two：Molding carries out first time injection molding, to mold insulating body, forms the first module；Three：Mould, terminal position portion is divided to be detached from insulating body, hollow-out parts are formed on hyoplastron；Four：The second shaping position that first module is moved to male model carries out second of injection molding, and plastic cement is filled to hollow-out parts, separates locating piece to mold terminal, terminal separates locating piece and the first module produced by insert molding is fixed together to form the second module；Five：Shielding shell is wrapped in the outer surface of the second module, carrying out dispensing between the projection and shielding outer casing inner wall of insulating body forms splash guard, and splash guard is fixed together to form semi-finished product with semi-finished product produced by insert molding；Six：Finally gland is installed on the surface of shielding shell and forms finished product.The present invention is simple for assembly process, improves the integral strength of connector.
Description
Technical field
The present invention relates to field of connectors technology, a kind of Micro USB connectors moulding process twice is referred in particular to.
Background technology
With the fast development of electronics industry, portable electronic device, such as video camera, PDA, mobile phone largely make
For in daily life.And the miscellaneous electric connector of matched appearance, such as Micro-USB connectors, it has also become
The indispensable part of various communication apparatus.
Existing Micro-USB connector assembling process is as follows：First, multiple conducting terminals and metal are placed on note
In mould, and locating piece is separated by terminal and compresses positioning, then injection molding goes out insulating body so that terminal separates positioning
Block and multiple conducting terminals are together with insulating body produced by insert molding, and then, shielding shell is coated on outside insulating body；So
Afterwards, gland is installed on the surface of shielding shell
It can be seen that from above step, existing Micro-USB connectors are molded it, and the assembly process is complicated, and packaging efficiency is low and produces
Product fraction defective is high, and the integral strength of connector is not high.
Invention content
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide a kind of Micro USB
Connector moulding process twice efficiently solves assembling procedure complexity, and packaging efficiency is low and bad product rate is high, connector
The not high problem of integral strength.
To achieve the above object, the present invention is using following technical solution：
A kind of Micro USB connectors moulding process twice, includes the following steps：
Step 1：The first shaping position that metal frame and multiple conducting terminals are put into injection mold positions, the injection mould
There is tool male model and master mold, male model to be formed with multiple terminals every the portions pin by drawing glue, and master mold is formed with multiple terminals by drawing glue
Positioning region；
Step 2：Master mold is molded with male model, carries out first time injection molding, to mold insulating body, multiple terminal position portions are embedded in
In insulating body, multiple conducting terminals are embedded in the lower surface of insulating body, and metal frame is embedded in the upper surface of insulating body, more
A conducting terminal, metal frame and insulating body produced by insert molding are fixed together to form the first module；
Step 3：Master mold divides mould, terminal position portion to be detached from insulating body, make to be formed with hollow out on the hyoplastron of insulating body with male model
Portion；
Step 4：The second shaping position that first module is moved to injection mold carries out second of injection molding, fills and moulds to hollow-out parts
Glue separates locating piece to mold terminal, and terminal separates locating piece and the first module produced by insert molding is fixed together to form second
Module；
Step 5：Shielding shell is wrapped in the outer surface of the second module, in projection and the shielding outer casing inner wall of insulating body
Between carry out dispensing, to form splash guard, splash guard is fixed together to form semi-finished product with semi-finished product produced by insert molding；
Step 6：Finally gland is installed on the surface of shielding shell and forms finished product.
As a preferred embodiment, the hyoplastron lower surface has molded terminal groove, and above-mentioned hollow-out parts are connected with terminal groove
Logical, contact site and the terminal groove produced by insert molding of conducting terminal, the contact site of conducting terminal are exposed to hyoplastron lower surface.
As a preferred embodiment, the metal frame is an integral structure, and metal frame upper and lower surface, which runs through, to be useful for avoiding
Above-mentioned terminal separates the avoid holes of locating piece, and avoid holes are embedded in hyoplastron.
As a preferred embodiment, the hollow-out parts include one first lateral hollow slots, one second lateral hollow slots, two
Third transverse direction hollow slots and two vertical hollow slots；It includes one first transverse part, one second cross that above-mentioned terminal, which separates locating piece,
To portion, two third transverse parts and two vertical portions；
The first lateral hollow out trench bottom is recessed with the first groove, and first groove is between two adjacent conducting terminals, and the
One inner wall of one lateral hollow slots is recessed with positioning groove；First transverse part and the first lateral hollow slots produced by insert molding, first
The bottom of transverse part is convexly equipped with first every pin convex blocks, this first is molded every pin convex blocks and the first recess-mounted, the first transverse part
Front end face be convexly equipped with locating convex block, the locating convex block and positioning groove produced by insert molding；
The second lateral hollow slots are located at the first lateral hollow slots rear, and it is recessed that the bottoms of the second lateral hollow slots is recessed with second
Slot, for second groove between two adjacent conducting terminals, the second lateral hollow slots centered position is provided with limiting groove；
Second transverse part and the second lateral hollow slots produced by insert molding, the bottom of the second transverse part are convexly equipped with second every pin convex blocks, this
Two are molded every pin convex blocks and the second recess-mounted, and the second transverse part centered position is provided with limited post, the limited post and limit
Recess-mounted is molded；
The two thirds transverse direction hollow slots are located at the rear both sides of the second lateral hollow slots；The two thirds transverse part is respectively with two
Third transverse direction hollow slots produced by insert molding；
The two vertical hollow slots are located between the adjacent conducting terminal in both sides, and two vertical hollow slots are respectively communicated with above-mentioned first
Lateral hollow slots, the second lateral hollow slots and two third transverse direction hollow slots；Two vertical portion is inlayed with two vertical hollow slots respectively
Molding, two vertical portions are separately connected the first transverse part, the second transverse part and two third transverse parts.
As a preferred embodiment, the projection upper and lower surface runs through the point glue groove for being conducive to glue flowing forming.
The present invention has clear advantage and advantageous effect compared with prior art, specifically, by above-mentioned technical proposal
Known to：
By drawing glue processing on the male model and master mold of injection mold, it is respectively formed with terminal every the portions pin and terminal position portion, into
Row first time injection molding, to mold insulating body, terminal position portion is detached from insulating body, the hyoplastron of insulating body is made to be formed
There are hollow-out parts, carrying out second of injection molding to hollow-out parts fills plastic cement, separates locating piece, such processing to mold terminal
Mode strengthens the integral strength of connector, reduces assembly strength, improves production efficiency.
More clearly to illustrate the structure feature and effect of the present invention, come below in conjunction with the accompanying drawings to this hair with specific embodiment
It is bright to be described in detail.
Description of the drawings
Fig. 1 is the assembling schematic diagram of the preferred embodiments of the invention step 2；
Fig. 2 is the assembling schematic diagram of the preferred embodiments of the invention step 4；
Fig. 3 is the assembling schematic diagram of the preferred embodiments of the invention step 5；
Fig. 4 is the assembling schematic diagram of the preferred embodiments of the invention step 6；
Fig. 5 is the exploded view of the preferred embodiments of the invention；
Fig. 6 is the stereogram that terminal separates locating piece in the preferred embodiments of the invention.
Description of drawing identification：
10, conducting terminal 20, metal frame
201, avoid holes
30, the lateral hollow slots of insulating body 301, first
302, the second lateral hollow slots 303, third transverse direction hollow slots
304, vertical hollow slots 305, the first groove
306, positioning groove 307, the second groove
308, limiting groove 31, hyoplastron
311, terminal groove 32, projection
321, glue groove is put
40, the first module 50, terminal separate locating piece
51, the first transverse part 52, the second transverse part
53, third transverse part 54, vertical portion
55, first every pin convex blocks 56, locating convex block
57, second every pin convex blocks 58, limited post
60, the second module 70, shielding shell
80, splash guard 90, semi-finished product
100, gland 110, finished product.
Specific implementation mode
It please refers to shown in Fig. 1 to Fig. 6, that show the moulding process of the preferred embodiments of the invention, including following step
Suddenly：
Step 1：The first shaping position that metal frame 20 and multiple conducting terminals 10 are put into injection mold positions, the note
Mould has male model and a master mold, and male model is formed with multiple terminals every the portions pin by drawing glue, master mold by draw glue be formed with it is multiple
Terminal position portion；
Step 2：Master mold is molded with male model, carries out first time injection molding, to mold insulating body 30, multiple terminal position portions are embedding
In in insulating body 30, multiple conducting terminals 10 are embedded in the lower surface of insulating body 30, and metal frame 20 is embedded in insulating body
30 upper surface, multiple conducting terminals 10, metal frame 20 and 30 produced by insert molding of insulating body are fixed together to form the first module
40；
Step 3：Master mold divides mould, terminal position portion to be detached from insulating body 30, make to be formed on the hyoplastron 31 of insulating body with male model
Hollow-out parts；
Step 4：The second shaping position that first module 40 is moved to injection mold carries out second of injection molding, is filled to hollow-out parts
Plastic cement separates locating piece 50 to mold terminal, and terminal separates locating piece 50 and is fixed together with 40 produced by insert molding of the first module
Form the second module 60；
Step 5：Shielding shell 70 is wrapped in the outer surface of the second module 60, in projection 32 and the shielding of insulating body 30
Dispensing is carried out between 70 inner wall of shell, to form splash guard 80, splash guard 80 is fixed together to be formed with semi-finished product produced by insert molding
Semi-finished product 90；
Step 6：Finally gland 100 is installed on the surface of shielding shell 70 and forms finished product 110.
Existing Micro USB connectors moulding process twice：First, multiple conducting terminals 10 and metal frame 20 are set
In injection mold, and locating piece 50 is separated by terminal and compresses positioning, then injection molding goes out insulating body 30 so that terminal
Separate locating piece 50 and multiple conducting terminals 10 together with 30 produced by insert molding of insulating body, then, shielding shell 40 is wrapped
It is overlying on outside insulating body 10；Then, gland 50 is installed on the surface of shielding shell 70.And the present invention is by noting
Glue processing is drawn on the male model and master mold of mould, is respectively formed with terminal every the portions pin and terminal position portion, is molded into for the first time
Type, to mold insulating body 30, insulating body 30 is formed with hollow-out parts, and second of injection molding filling modeling is carried out to hollow-out parts
Glue separates locating piece 50 to mold terminal, and such processing method strengthens the integral strength of connector, reduces assembling
Intensity improves production efficiency.
31 lower surface of hyoplastron has molded terminal groove 311, and above-mentioned hollow-out parts are connected with terminal groove 311, conducting terminal
10 contact site and 311 produced by insert molding of terminal groove, the contact site of conducting terminal 10 are exposed to 31 lower surface of hyoplastron.Metal frame 20 is
Integral structure, 20 upper and lower surface of metal frame, which runs through, is useful for the avoid holes 201 that evacuation terminal separates locating piece 50, the avoid holes
201 are embedded in hyoplastron 31.
The hollow-out parts include one first lateral hollow slots, 301, one second lateral hollow slots 302, two third transverse direction hollow outs
Slot 303 and two vertical hollow slots 304；It includes that one first transverse part 51, one second is lateral that above-mentioned terminal, which separates locating piece 50,
Portion 52, two third transverse parts 53 and two vertical portions 54.
First lateral 301 bottom of hollow slots is recessed with the first groove 305, which, which is located at two, adjacent leads
Between electric terminal 20, an inner wall of the first lateral hollow slots 301 is recessed with positioning groove 306；First transverse part 51 and first
301 produced by insert molding of lateral hollow slots, the bottom of the first transverse part 51 are convexly equipped with first every pin convex blocks 55, this is first every pin convex blocks
55 and 305 produced by insert molding of the first groove, the front end face of the first transverse part 51 be convexly equipped with locating convex block 56, the locating convex block 56 with it is fixed
Position 306 produced by insert molding of groove.
The second lateral hollow slots 302 are located at the first 301 rear of lateral hollow slots, the bottom of the second lateral hollow slots 302
It is recessed with the second groove 307, between two adjacent conducting terminals 20, the second lateral hollow slots 302 occupy second groove 307
In position be provided with limiting groove 308；Second transverse part 52 and the second 302 produced by insert molding of lateral hollow slots, second laterally
The bottom in portion 52 is convexly equipped with second every pin convex blocks 57, this is second horizontal every 307 produced by insert molding of pin convex blocks 57 and the second groove, second
52 centered position of portion is provided with limited post 58, the limited post 58 and 308 produced by insert molding of limiting groove.
The two thirds transverse direction hollow slots 303 are located at the rear both sides of the second lateral hollow slots 302；Two third is lateral
Portion 53 respectively with two third transverse direction hollow slots, 303 produced by insert molding.
The two vertical hollow slots 304 are located between the adjacent conducting terminal 20 in both sides, two vertical hollow slots 304 difference
It is connected to the above-mentioned first lateral hollow slots 302 and two third transverse direction hollow slots 303 of the 301, second lateral hollow slots；Two vertical portion 34
Respectively with two vertical hollow slots, 304 produced by insert molding, two vertical portions 34 are separately connected the first transverse part 31, the second transverse part 32 and two
Third transverse part 33.
32 upper and lower surface of above-mentioned projection runs through the point glue groove 321 for being conducive to glue flowing forming, and point glue groove 321 is set
It sets, glue is made preferably to flow, to increase by 80 integral strength of splash guard, waterproof effect is more preferable.
The design focal point of the present invention is：
By drawing glue processing on the male model and master mold of injection mold, it is respectively formed with terminal every the portions pin and terminal position portion, into
Row first time injection molding, to mold insulating body, terminal position portion is detached from insulating body, the hyoplastron of insulating body is made to be formed
There are hollow-out parts, carrying out second of injection molding to hollow-out parts fills plastic cement, separates locating piece, such processing to mold terminal
Mode strengthens the integral strength of connector, reduces assembly strength, improves production efficiency.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore it is every according to the technical essence of the invention to any subtle modifications, equivalent variations and modifications made by above example, still
Belong in the range of technical solution of the present invention.
Claims (5)
1. a kind of Micro USB connectors moulding process twice, it is characterised in that：Include the following steps：
Step 1：The first shaping position that metal frame and multiple conducting terminals are put into injection mold positions, the injection mould
There is tool male model and master mold, male model to be formed with multiple terminals every the portions pin by drawing glue, and master mold is formed with multiple terminals by drawing glue
Positioning region；
Step 2：Master mold is molded with male model, carries out first time injection molding, to mold insulating body, multiple terminal position portions are embedded in
In insulating body, multiple conducting terminals are embedded in the lower surface of insulating body, and metal frame is embedded in the upper surface of insulating body, more
A conducting terminal, metal frame and insulating body produced by insert molding are fixed together to form the first module；
Step 3：Master mold divides mould, terminal position portion to be detached from insulating body, make to be formed with hollow out on the hyoplastron of insulating body with male model
Portion；
Step 4：The second shaping position that first module is moved to injection mold carries out second of injection molding, fills and moulds to hollow-out parts
Glue separates locating piece to mold terminal, and terminal separates locating piece and the first module produced by insert molding is fixed together to form second
Module；
Step 5：Shielding shell is wrapped in the outer surface of the second module, in projection and the shielding outer casing inner wall of insulating body
Between carry out dispensing, to form splash guard, splash guard is fixed together to form semi-finished product with semi-finished product produced by insert molding；
Step 6：Finally gland is installed on the surface of shielding shell and forms finished product.
2. Micro USB connectors according to claim 1 moulding process twice, it is characterised in that：The hyoplastron following table
Face has molded terminal groove, and above-mentioned hollow-out parts are connected with terminal groove, and contact site and the terminal groove produced by insert molding of conducting terminal are led
The contact site of electric terminal is exposed to hyoplastron lower surface.
3. Micro USB connectors according to claim 1 moulding process twice, it is characterised in that：The metal frame is
Integral structure, metal frame upper and lower surface, which runs through, is useful for avoiding the avoid holes that above-mentioned terminal separates locating piece, and avoid holes are embedded in
In hyoplastron.
4. Micro USB connectors according to claim 1 moulding process twice, it is characterised in that：The hollow-out parts packet
One first lateral hollow slots, one second lateral hollow slots, two third transverse direction hollow slots and two vertical hollow slots are included；Above-mentioned end
It includes one first transverse part, one second transverse part, two third transverse parts and two vertical portions that son, which separates locating piece,；
The first lateral hollow out trench bottom is recessed with the first groove, and first groove is between two adjacent conducting terminals, and the
One inner wall of one lateral hollow slots is recessed with positioning groove；First transverse part and the first lateral hollow slots produced by insert molding, first
The bottom of transverse part is convexly equipped with first every pin convex blocks, this first is molded every pin convex blocks and the first recess-mounted, the first transverse part
Front end face be convexly equipped with locating convex block, the locating convex block and positioning groove produced by insert molding；
The second lateral hollow slots are located at the first lateral hollow slots rear, and it is recessed that the bottoms of the second lateral hollow slots is recessed with second
Slot, for second groove between two adjacent conducting terminals, the second lateral hollow slots centered position is provided with limiting groove；
Second transverse part and the second lateral hollow slots produced by insert molding, the bottom of the second transverse part are convexly equipped with second every pin convex blocks, this
Two are molded every pin convex blocks and the second recess-mounted, and the second transverse part centered position is provided with limited post, the limited post and limit
Recess-mounted is molded；
The two thirds transverse direction hollow slots are located at the rear both sides of the second lateral hollow slots；The two thirds transverse part is respectively with two
Third transverse direction hollow slots produced by insert molding；
The two vertical hollow slots are located between the adjacent conducting terminal in both sides, and two vertical hollow slots are respectively communicated with above-mentioned first
Lateral hollow slots, the second lateral hollow slots and two third transverse direction hollow slots；Two vertical portion is inlayed with two vertical hollow slots respectively
Molding, two vertical portions are separately connected the first transverse part, the second transverse part and two third transverse parts.
5. Micro USB connectors according to claim 1 moulding process twice, it is characterised in that：On the projection
The point glue groove for being conducive to glue flowing forming is run through in lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810053705.8A CN108288811B (en) | 2018-01-19 | 2018-01-19 | Two-time forming process of Micro USB connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810053705.8A CN108288811B (en) | 2018-01-19 | 2018-01-19 | Two-time forming process of Micro USB connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108288811A true CN108288811A (en) | 2018-07-17 |
| CN108288811B CN108288811B (en) | 2020-06-30 |
Family
ID=62835266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810053705.8A Active CN108288811B (en) | 2018-01-19 | 2018-01-19 | Two-time forming process of Micro USB connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108288811B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038051A (en) * | 2018-08-15 | 2018-12-18 | 富加宜连接器（东莞）有限公司 | A kind of connector and its injection moulding encapsulation method with packaging part in mould |
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| CN102263351A (en) * | 2010-05-31 | 2011-11-30 | 中兴通讯股份有限公司 | Universal serial bus (USB) head and manufacturing method thereof |
| CN104300262A (en) * | 2013-11-15 | 2015-01-21 | 深圳市长盈精密技术股份有限公司 | USB socket with steel sheet and method for making same |
| CN104466592A (en) * | 2014-07-15 | 2015-03-25 | 番禺得意精密电子工业有限公司 | Method for molding electric connector |
| US20170040730A1 (en) * | 2015-08-06 | 2017-02-09 | Foxconn Interconnect Technology Limited | Electrical connector |
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| CN109038051A (en) * | 2018-08-15 | 2018-12-18 | 富加宜连接器（东莞）有限公司 | A kind of connector and its injection moulding encapsulation method with packaging part in mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108288811B (en) | 2020-06-30 |
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