CN106626245A - Shell molding method - Google Patents
Shell molding method Download PDFInfo
- Publication number
- CN106626245A CN106626245A CN201610853002.4A CN201610853002A CN106626245A CN 106626245 A CN106626245 A CN 106626245A CN 201610853002 A CN201610853002 A CN 201610853002A CN 106626245 A CN106626245 A CN 106626245A
- Authority
- CN
- China
- Prior art keywords
- housing
- punching press
- mould
- bed die
- trapezoidal hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000010112 shell-mould casting Methods 0.000 title abstract 3
- 238000004080 punching Methods 0.000 claims description 112
- 238000002347 injection Methods 0.000 claims description 26
- 239000007924 injection Substances 0.000 claims description 26
- 238000007493 shaping process Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract description 12
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 238000013459 approach Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 13
- 210000001161 mammalian embryo Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 239000012778 molding material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C45/0055—Shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
- B23K26/382—Removing material by boring or cutting by boring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
- B26F1/14—Punching tools; Punching dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/24—Perforating by needles or pins
-
- 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
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/38—Loudspeaker cones; Acoustic diaphragms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a shell molding method which is used for molding a shell and molding a plurality of horn holes in the shell. Each horn hole comprises a trapezoidal hole body and a sound outlet hole body. The shell molding method comprises the following steps that an injection-molding mold is provided and comprises a bottom mold body and a top mold body, a molding cavity is formed between the bottom mold body and the top mold body, and a plurality of protrusions similar to the multiple trapezoidal hole bodies in shape are arranged on the bottom mold body; a shell blank is obtained through injection molding with the molding cavity between the bottom mold body and the top mold body, and the multiple trapezoidal hole bodies are formed in the shell blank; a stamping mechanism is provided and comprises an upper stamping die and a lower stamping die opposite to the upper stamping die, a plurality of insert pins are arranged on the upper stamping die and arranged to correspond to the multiple trapezoidal hole bodies; and the shell blank is positioned on the lower stamping die, the upper stamping die conducts stamping in the mode that the upper stamping die approaches the lower stamping die, all the insert pins stamp the shell blank so that the sound outlet hole bodies can be formed, and the inner walls of the sound outlet hole bodies are perpendicularly connected with the outer surface of the shell blank.
Description
Technical field
The present invention relates to the technical field of housing shaping, more particularly to the forming method of the bellmouth orifice on housing.
Background technology
In various consumer electronics device market now, smart mobile phone, personal digital assistant（Personal Digital
Assistant, PDA）, the portable electric appts such as e-book and panel computer have become it is requisite in Modern Live
A part, is widely used as the instrument of amusement and recreation.Bellmouth orifice is offered on the housing of such portable electric appts
To reach the effect of sound.
The method of existing loudspeaker hole machined mainly has two kinds：One kind is, by mould molding, to be combined with cover half by dynamic model
Breaking shaping is to form bellmouth orifice, but this kind of mode can form fillet in the root of bellmouth orifice, and spraying can cause outer after amplifying
Sight is bad, does not reach the demand at bellmouth orifice appearance right angle, affects molding effect；Another way is carried out by Digit Control Machine Tool
Processing, but the time of Digit Control Machine Tool processing is longer and relatively costly, so as to affect shaping efficiency.
The content of the invention
In view of the foregoing, it is necessary to provide a kind of molding effect preferably and the higher housing shaping side of shaping efficiency
Method.
A kind of housing forming method, is molded for molded housing and on the housing multiple bellmouth orifices of array arrangement, often
Individual bellmouth orifice includes trapezoidal hole and the sender connected with the trapezoidal hole, and the housing forming method is comprised the following steps：There is provided one
Injection forming mold, the injection forming mold includes that bed die and lid are located at backform on the bed die, the bed die and the backform it
Between form a forming cavity, the multiple projections similar with the shape of the plurality of trapezoidal hole are respectively provided with the bed die；By the bottom
Forming cavity injection mo(u)lding between mould and the backform wherein forms multiple trapezoidal to obtain the housing stock on the housing stock
Hole；A punching mechanism is provided, mould under the punching press that the punching mechanism is arranged including mould in punching press and relative to mould in the punching press, at this
Mould arranges multiple pins and makes the arrangement of the plurality of pin corresponding with the arrangement of the plurality of trapezoidal hole in punching press；And by the shell
Body embryo material is positioned under the punching press on mould, makes mould in the punching press carry out punching press near the direction of mould under the punching press, each pin
The punching press sender of the housing stock to be stamped and formed out being connected with the trapezoidal hole on the trapezoidal hole, the inwall of the sender with should
The outer surface of housing stock at right angles connects.
A kind of housing forming method, is molded for molded housing and on the housing multiple bellmouth orifices of array arrangement, often
Individual bellmouth orifice includes trapezoidal hole and the sender connected with the trapezoidal hole, and the housing forming method is comprised the following steps：There is provided one
Injection forming mold, the injection forming mold includes that bed die and lid are located at backform on the bed die, the bed die and the backform it
Between form a forming cavity, the multiple projections similar with the shape of the plurality of trapezoidal hole are respectively provided with the bed die；By the bottom
Forming cavity injection mo(u)lding between mould and the backform wherein forms multiple trapezoidal to obtain the housing stock on the housing stock
Hole；A punching mechanism is provided, mould under the punching press that the punching mechanism is arranged including mould in punching press and relative to mould in the punching press, at this
Mould arranges multiple laser beams and makes the arrangement of the plurality of laser beam corresponding with the arrangement of the plurality of trapezoidal hole in punching press；And will
The housing stock is positioned under the punching press on mould, by each laser beam irradiate the housing stock with the trapezoidal hole formed with
The sender of the trapezoidal hole connection, the inwall of the sender is at right angles connected with the outer surface of the housing stock.
Compared to prior art, the housing forming method of the present invention provides an injection forming mold and punching mechanism, passes through
Forming cavity molded housing stock between bed die and backform, and form concealed on housing stock by the projection on bed die
Trapezoidal hole, so as to batch making has the housing stock of concealed trapezoidal hole；Punching mechanism is including under mould in punching press and punching press
Mould, the housing stock with concealed trapezoidal hole is positioned under punching press on mould, the multiple pin punching press shells in punching press on mould
Body embryo material is simultaneously stamped and formed out in batches sender on trapezoidal hole, so as to be molded the housing with bellmouth orifice, is lifted on housing with this
Bellmouth orifice shaping efficiency；In addition, by the inwall of stamping forming sender and the outer surface of housing is vertical is connected, can
Ensure the outward appearance right angle effect of bellmouth orifice, so as to lift the molding effect of bellmouth orifice.
Description of the drawings
Fig. 1 is the schematic perspective view of the housing of the band bellmouth orifice that an embodiment of the present invention is provided.
Fig. 2 is the partial sectional view of the housing along II-II lines of the band bellmouth orifice shown in Fig. 1.
Fig. 3 is the sectional view of the injection forming mold of the housing former that an embodiment of the present invention is provided.
Fig. 4 is the partial sectional view of the housing stock that the injection forming mold shown in Fig. 3 is molded.
Fig. 5 is the schematic perspective view of the punching mechanism of housing former provided by the present invention.
The flow chart of the housing forming method that Fig. 6 an embodiment of the present invention is provided.
Main element symbol description
| Housing | 100 |
| Housing stock | 101 |
| Outer surface | 110 |
| Bellmouth orifice | 10 |
| Trapezoidal hole | 11 |
| Sender | 12 |
| Inwall | 121 |
| Injection forming mold | 210 |
| Bed die | 211 |
| It is raised | 2111 |
| Backform | 212 |
| Forming cavity | 213 |
| Punching mechanism | 220 |
| Mould in punching press | 221 |
| Pin | 2211 |
| Mould under punching press | 222 |
| Punching | 2221 |
Following specific embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is purged, complete
Site preparation is described, it is clear that described embodiment a part of embodiment only of the invention, rather than the embodiment of whole.
Based on the embodiment in the present invention, those of ordinary skill in the art institute on the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of protection of the invention.
It should be noted that when a component is considered as " connection " another component, it can be directly to separately
One component may be simultaneously present component placed in the middle.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field for belonging to the present invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that of the invention in limiting.Term as used herein " and/or " include one or more
The arbitrary and all of combination of related Listed Items.
With reference to shown in Fig. 1 and Fig. 2, the bellmouth orifice 10 of multiple array arrangements is offered on housing provided by the present invention 100,
Each bellmouth orifice 10 includes the trapezoidal hole 11 being interconnected and sender 12.Trapezoidal hole 11 is located at the inner side of housing 100, sender 12
Sender 12 is entered near the outer surface 110 of housing 100, i.e. sound Jing trapezoidal holes 11, and Jing senders 12 are exported to housing 100
It is outside.The inwall 121 of sender 12 is at right angles connected with the outer surface 110 of housing 100, so that the outward appearance of bellmouth orifice 10 is presented
Right angle effect.In the present embodiment, sender 12 is cylindrical, and trapezoidal hole 11 is in taper type, and its cross section is trapezoidal.
With reference to Fig. 3 to Fig. 5, housing former provided by the present invention includes injection forming mold 210 and punching mechanism
220.Injection forming mold 210 be used for molded housing stock 101 and housing stock 101 medial surface be molded it is concealed multiple
Trapezoidal hole 11, i.e., multiple trapezoidal holes 11 are molded over the medial surface of housing stock 101, and temporary transient from the outer surface of housing stock 101
Can't see perforate.Punching mechanism 220 is used for the sender 12 that the shaping trapezoidal hole 11 concealed with this is connected（As shown in Figure 2）.
Injection forming mold 210 includes bed die 211 and backform 212, and the lid of backform 212 is located on bed die 211.Bed die 211 with
Forming cavity 213 is formed between backform 212 with molded housing stock 101.Multiple raised 2111 are provided with bed die 211.Each
Raised 2111 shape is similar with the shape of the trapezoidal hole 11, so as to form concealed trapezoidal hole 11 on housing stock 101
Array.
Mould 222 under the punching press that punching mechanism 220 is arranged including mould 221 in punching press and relative to mould in punching press 221.In punching press
Mould 221 includes multiple pins 2211, arrangement position and multiple senders 12 of the plurality of pin 2211（As shown in Figure 2）Arrangement
Position is identical.The diameter of each pin 2211 is same as or slightly smaller than the diameter of sender 12 with the diameter of sender 12.In this reality
In applying example, each pin 2211 is in cylinder.Mould 222 corresponds to respectively multiple pins 2211 and is provided with multiple punchings under punching press
2221, to moving near the direction of mould 222 under punching press, the plurality of pin 2211 can respectively be housed in correspondence to mould 221 in punching press
Punching 2221 in avoid the punching press in punching press under mould 222.During punching press, the housing stock with concealed trapezoidal hole 11
101 are positioned under punching press on mould 222, and trapezoidal hole 11 corresponds to respectively punching 2221 and arranges, and mould 221 is under punching press in punching press
The direction motion of mould 222, the punching press housing stock 101 of multiple pins 2211 is simultaneously stamped and formed out sender 12 in the top of trapezoidal hole 11,
The inwall of sender 12 is vertical with the outer surface of housing stock 101, so as to bellmouth orifice 10 is molded on housing 100 and housing is made
100 outward appearance is presented right angle effect, and with this demand at the outward appearance right angle of bellmouth orifice 10 is realized, lifts the molding effect of bellmouth orifice 10.
Housing former provided by the present invention includes injection forming mold 210 and punching mechanism 220, by bed die
The molded housing stock 101 of forming cavity 213 between 211 and backform 212, and by the projection 2111 on bed die 211 in housing embryo
Trapezoidal hole 11 is formed on material 101, so as to batch making has the housing stock 101 of concealed trapezoidal hole 11, punching mechanism 220
Including mould 222 under mould in punching press 221 and punching press, the housing stock 101 with concealed trapezoidal hole 11 is positioned under punching press
On mould 222, the punching press housing stock 101 of pin 2211 in punching press on mould 221 is simultaneously stamped and formed out out in the top of trapezoidal hole 11 batch
Sound hole 12, so as to lift the shaping efficiency of the bellmouth orifice 10 on housing 100；In addition, using sound by punch forming sender 12
The inwall in hole 12 is vertical with the outer surface of housing 100 to be connected, and the outward appearance right angle effect of housing 100 is ensure that, so as to lift loudspeaker
The molding effect in hole 10.
It is appreciated that in other embodiments, trapezoidal hole 11 can also be other shapes, such as pyramid, as long as full
The cross-sectional area of the sufficient trapezoidal hole 11 is gradually reduced i.e. during being extended to another side surface from a side surface of housing 100
Can.
It is appreciated that in other embodiments, raised 2111 can also be other shapes, such as pyramid, as long as full
Foot the projection 2111 cross-sectional area near bed die 211 one end to away from bed die 211 the other end extend during by
It is decrescence little.
It is appreciated that in other embodiments, the multiple pins 2211 in punching press on mould 221 can also be other shapes
Shape, such as polygonal column, meet the inwall 121 of sender 12 for processing and are at right angles connected i.e. with the outer surface 110 of housing 100
Can.
It is appreciated that in other embodiments, the multiple pins 2211 in punching press on mould 221 can be omitted, the punching press
Upper mould 221 includes the laser beam that multiple correspondence senders 12 are arranged, and sender is formed on housing stock 101 by laser beam
12。
It is appreciated that in other embodiments, the multiple punchings 2221 under punching press on mould 222 can be omitted, due to shell
Body embryo material 101 has certain thickness, under controlling the punching stroke of multiple pins 2211 to avoid pin 2211 and punching press
Mould 222 collides.
It is the flow chart of the housing forming method that an embodiment of the present invention is provided with reference to shown in Fig. 6.The housing shaping
Method utilizes above-mentioned housing former to be molded multiple bellmouth orifices 10 of array arrangement on housing 100, and ensures each
The outward appearance right angle effect of bellmouth orifice 10, each bellmouth orifice 10 includes trapezoidal hole 11 and the sender 12 connected with trapezoidal hole 11.
Step 101 a, there is provided injection forming mold 210.
Specifically, there is provided an injection forming mold 210 includes the backform 212 that bed die 211 and lid are located on bed die 211, exist
Forming cavity 213 is formed between bed die 211 and backform 212.Multiple raised 2111 are arranged on bed die 211, each projection 2111
Shape it is similar with the shape of the trapezoidal hole 11 that need to be molded.Each projection 2111 is used to be molded concealed ladder on housing 100
Shape hole 11, i.e., trapezoidal hole 11 is molded over the medial surface of housing 100, and temporarily can't see perforate from the outer surface of housing 100.At this
In embodiment, each projection 2111 is in taper type, and its cross section is trapezoidal.
Step 102, by the injection mo(u)lding of injection forming mold 210 to obtain housing stock 101, the wherein housing stock
Multiple trapezoidal holes 11 are formed on 101.
Specifically, the lid of backform 212 is located on bed die 211, between backform 212 and bed die 211 injection molding material is injected, passed through
Forming cavity 213 between bed die 211 and backform 212 with molded housing stock 101, meanwhile, by bed die 211 arrange it is multiple
Raised 2111 in the medial surface of housing 100 to be molded concealed multiple trapezoidal holes 11, and the outer surface from housing stock 101 is temporary transient
Can't see perforate.
Step 103 a, there is provided punching mechanism 220.
Specifically, there is provided a punching mechanism 220 includes mould 221 and the punching press arranged relative to mould in punching press 221 in punching press
Lower mould 222, arranges multiple pins 2211, arrangement position and multiple trapezoidal holes of the plurality of pin 2211 on mould 221 in punching press
11 arrangement position is identical.The multiple pins 2211 of correspondence, are respectively provided with multiple punchings 2221 under punching press on mould 222, the plurality of
Punching 2221 is used to avoid the plurality of pin 2211 of collecting respectively in punching press.
Step 104, by punching mechanism 220 sender connected with the trapezoidal hole 11 is molded on the housing stock 101
12。
Specifically, the housing stock 101 is positioned under punching press on mould 222 and is made hiding on the housing stock 101
The trapezoidal hole 11 of formula corresponds to respectively the punching 2221 under punching press on mould 222 and arranges；Mould 221 is made in the punching press near mould under punching press
222 direction motion, then each punching press housing stock 101 of pin 2211 and be stamped and formed out trapezoidal with this in the top of trapezoidal hole 11
The sender 12 of the connection of hole 11, the inwall of the sender 12 is at right angles connected with the outer surface of housing 100, so that bellmouth orifice 10
Outward appearance right angle effect is presented, final molding has the housing 100 of bellmouth orifice 10.
It is appreciated that in other embodiments, by the injection mo(u)lding of injection forming mold 210 obtaining housing stock
After 101, there is provided a punching mechanism 220, specifically, there is provided a punching mechanism 220 is including mould 221 in punching press and relative in punching press
Mould 222 under the punching press that mould 221 is arranged, arranges multiple laser beams, arrangement position and the ladder of multiple laser beams on mould 221 in punching press
The arrangement position in shape hole 11 is identical；It is molded and going out that the trapezoidal hole 11 is connected on the housing stock 101 by punching mechanism 220
Sound hole 12, specifically, the housing stock 101 is positioned under punching press on mould 222, the plurality of laser beam irradiation housing stock 101
And the sender 12 connected with the trapezoidal hole 11 in the formation of the top of trapezoidal hole 11, inwall and the housing stock 101 of the sender 12
Outer surface at right angles connect so that the outward appearance of bellmouth orifice 10 is presented right angle effect, final molding has the shell of bellmouth orifice 10
Body 100.
Finally it should be noted that above example is only to illustrate technical scheme and unrestricted, although reference
Preferred embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the present invention's
Technical scheme is modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a kind of housing forming method, is molded for molded housing and on the housing multiple bellmouth orifices of array arrangement, each
Bellmouth orifice includes trapezoidal hole and the sender connected with the trapezoidal hole, and the housing forming method is comprised the following steps：
An injection forming mold is provided, the injection forming mold includes the backform that bed die and lid are located on the bed die, in the bed die
A forming cavity is formed between the backform, is respectively provided with the bed die similar with the shape of the plurality of trapezoidal hole multiple convex
Rise；
By the forming cavity injection mo(u)lding between the bed die and the backform to obtain the housing stock, wherein shape on the housing stock
Into multiple trapezoidal holes；
One punching mechanism is provided, mould under the punching press that the punching mechanism is arranged including mould in punching press and relative to mould in the punching press,
Mould arranges multiple pins and makes the arrangement of the plurality of pin corresponding with the arrangement of the plurality of trapezoidal hole in the punching press；And
The housing stock is positioned under the punching press on mould, mould in the punching press is rushed to the direction of mould under the close punching press
Pressure, each the pin punching press sender of the housing stock to be stamped and formed out being connected with the trapezoidal hole on the trapezoidal hole, this goes out sound
The inwall in hole is at right angles connected with the outer surface of the housing stock.
2. housing forming method as claimed in claim 1, it is characterised in that：The plurality of pin of correspondence is opened up on mould under the punching press
Multiple punchings, in the punching press mould to the direction of the mould under the punching press carry out punching press when, the plurality of pin avoids be housed in respectively
In the plurality of punching.
3. housing forming method as claimed in claim 1, it is characterised in that：The projection is taper type and the raised cross section
For trapezoidal.
4. housing forming method as claimed in claim 1, it is characterised in that：The raised cross-sectional area is by near the bed die
One end is gradually reduced during extending to the other end away from the bed die.
5. housing forming method as claimed in claim 1, it is characterised in that：Each pin is cylinder so that going out after shaping
Sound hole is cylinder.
6. housing forming method as claimed in claim 1, it is characterised in that：Each pin is polygonal column.
7. housing forming method as claimed in claim 1, it is characterised in that：The diameter of each pin is not more than the sender
Diameter.
8. housing forming method as claimed in claim 1, it is characterised in that：The trapezoidal hole is located at the interior table of the housing stock
Face.
9. a kind of housing forming method, is molded for molded housing and on the housing multiple bellmouth orifices of array arrangement, each
Bellmouth orifice includes trapezoidal hole and the sender connected with the trapezoidal hole, and the housing forming method is comprised the following steps：
An injection forming mold is provided, the injection forming mold includes the backform that bed die and lid are located on the bed die, in the bed die
A forming cavity is formed between the backform, is respectively provided with the bed die similar with the shape of the plurality of trapezoidal hole multiple convex
Rise；
By the forming cavity injection mo(u)lding between the bed die and the backform to obtain the housing stock, wherein shape on the housing stock
Into multiple trapezoidal holes；
One punching mechanism is provided, mould under the punching press that the punching mechanism is arranged including mould in punching press and relative to mould in the punching press,
Mould arranges multiple laser beams and makes the arrangement of the plurality of laser beam corresponding with the arrangement of the plurality of trapezoidal hole in the punching press；And
The housing stock is positioned under the punching press on mould, the housing stock is irradiated with the trapezoidal hole by each laser beam
The sender that formation is connected with the trapezoidal hole, the inwall of the sender is at right angles connected with the outer surface of the housing stock.
10. housing forming method as claimed in claim 9, it is characterised in that：The projection is the transversal of taper type and the projection
Face is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610853002.4A CN106626245A (en) | 2016-09-27 | 2016-09-27 | Shell molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610853002.4A CN106626245A (en) | 2016-09-27 | 2016-09-27 | Shell molding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106626245A true CN106626245A (en) | 2017-05-10 |
Family
ID=58853419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610853002.4A Pending CN106626245A (en) | 2016-09-27 | 2016-09-27 | Shell molding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106626245A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109333926A (en) * | 2018-11-07 | 2019-02-15 | 宁波帅特龙集团有限公司 | It is a kind of for manufacturing the mold of sound box for vehicle cover board |
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- 2016-09-27 CN CN201610853002.4A patent/CN106626245A/en active Pending
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|---|---|---|---|---|
| CN101138888A (en) * | 2006-09-07 | 2008-03-12 | 庄沧涛 | Thermoplasticity elastic sock processing method |
| CN101316486A (en) * | 2007-06-01 | 2008-12-03 | 深圳富泰宏精密工业有限公司 | Housing of electronic product and manufacturing method thereof |
| CN104842500A (en) * | 2014-02-18 | 2015-08-19 | F·波尔希名誉工学博士公司 | Method and mold for producing an opening in a fiber composite component |
| CN105522690A (en) * | 2014-10-21 | 2016-04-27 | 宇龙计算机通信科技(深圳)有限公司 | Method for processing through hole in electronic equipment shell and electronic equipment shell |
Cited By (2)
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| CN109333926A (en) * | 2018-11-07 | 2019-02-15 | 宁波帅特龙集团有限公司 | It is a kind of for manufacturing the mold of sound box for vehicle cover board |
| CN109333926B (en) * | 2018-11-07 | 2023-10-17 | 宁波帅特龙集团有限公司 | A mould for making automobile-used audio amplifier apron |
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