CN106827410A - Improve the deep cavity mould of injection efficiency - Google Patents
Improve the deep cavity mould of injection efficiency Download PDFInfo
- Publication number
- CN106827410A CN106827410A CN201710282716.9A CN201710282716A CN106827410A CN 106827410 A CN106827410 A CN 106827410A CN 201710282716 A CN201710282716 A CN 201710282716A CN 106827410 A CN106827410 A CN 106827410A
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- releasing agent
- piston rod
- block
- mould
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/58—Applying the releasing agents
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses the deep cavity mould for improving injection efficiency, including the releasing agent memory and nozzle being sequentially connected, check valve, input pipe, oil cylinder and efferent duct are disposed between memory and nozzle, limit assembly is provided with front mould；In the nozzle insertion rear mold on the end face of front mould；The oil cylinder is arranged on the side wall of rear mold, and the piston rod of oil cylinder is connected with limit assembly, and the limit assembly can limit the movement of piston rod；The input pipe and efferent duct are connected with the working chamber on oil cylinder near cylinder bottom.When this not only ensure that each production, the dosage of releasing agent spraying is consistent, do not influenceed by workman's subjective factor, and make use of the power of product forming machine to realize adsorbing, spraying the function of releasing agent, reduce the energy resource consumption of spraying releasing agent, and realizing the synchronism of spraying releasing agent and matched moulds, it is to avoid defective work is produced caused by spraying releasing agent produces the time difference.
Description
Technical field
The present invention relates to a kind of device for spraying releasing agent, and in particular to improve the deep cavity mould of injection efficiency.
Background technology
Mould, is used to be molded in industrial production, is blow molded, extrudes, the method such as die casting or forging forming, smelting, punching press is obtained
The various moulds and instrument of required product.In brief, mould is the instrument for formed article, and this instrument is by various parts
Constitute, different moulds are made up of different parts.It mainly realizes article by the change of institute's moulding material physical state
The processing of profile.
In this kind of deep-small hole mould such as battery case, column packing box, depth of cavity reaches 210mm to 280mm, draw taper
It is small, only 0.5 degree or so, while wall is thin, only 1.2mm to 1.5mm, and in order to keep the product transparency, the material of product is adopted
Use PET plastic materials.If it is well known that the draw taper of plastic mould plastic is too small, producing plastic to draw easily in depanning
Wound, under conditions of it can not change product structure, generally requires and sprays suitable releasing agent when production is molded, to ensure plastic
The smoothly demoulding, is unlikely to cause plastic to pull bad.
And conventional spray paint releasing agent is hand spray, not only efficiency is low for this spraying method, and by workman's subjective impact, often
When individual part is molded, the demoulding dosage of spraying differs, and causes releasing agent to spray excessive, or releasing agent spraying not enough has
The product pulled.
The content of the invention
Present invention aim at the deep cavity mould for providing raising injection efficiency, hand spray releasing agent not only efficiency is solved
It is low, and by workman's subjective impact, when each part is molded, the demoulding dosage of spraying differs, and causes releasing agent to spray excessive, or
Releasing agent spraying not enough has the problem of the product pulled.Injection mold mainly includes front mould, rear mold, drive device and unloads
Material device.
The present invention is achieved through the following technical solutions：
The deep cavity mould of injection efficiency, including the releasing agent memory and nozzle being sequentially connected are improved, in memory and spray
Check valve, input pipe, oil cylinder and efferent duct are disposed between mouth, are set on the side wall on front mould parallel to die sinking direction
Limited location component；
In the rear mold of the deep cavity mould of nozzle insertion on the end face of the front mould of depth cavity mould；
The oil cylinder is arranged in rear mold on the side wall parallel to die sinking direction, the diameter parallel of oil cylinder in die sinking direction,
And the one end on the piston rod of oil cylinder away from piston is connected with limit assembly, the limit assembly can limit piston rod along oil cylinder
The movement of axis, now drive device driving oil cylinder is close to or away from piston rod；
The input pipe and efferent duct are connected with the working chamber on oil cylinder near cylinder bottom；During die sinking, cylinder bottom away from piston,
Releasing agent enters the working chamber on oil cylinder near cylinder bottom from memory via check valve and input pipe；During matched moulds, cylinder bottom is near work
Plug, in sending into the releasing agent in oil cylinder nozzle and spray to the die cavity of front mould via efferent duct.
During die sinking, away from front mould, the limit assembly limits the movement of one end away from piston on piston rod to rear mold, living
Stopper rod is motionless, and the piston being attached thereto also is maintained static, and drive device drives oil cylinder movement, makes oil cylinder away from piston rod, and then
Space increase between piston and oil cylinder, and negative pressure is produced, oil cylinder sucks releasing agent from memory from memory；Matched moulds
When, near front mould, the limit assembly limits the movement of one end away from piston on piston rod to rear mold, and drive device drives oil
Cylinder is moved, and makes oil cylinder near piston rod, and then reduces the space between piston and oil cylinder bottom, the pressure increase in the space,
And the releasing agent in oil cylinder is sprayed from nozzle.
Drive device can select hydraulic cylinder, pneumatic cylinder, screw rod or connecting rod cam mechanism.Preferably, in order to reduce energy
Consumption, simplifies drive mechanism, oil cylinder can be arranged in rear mold, the movement of rear mold, drive oil cylinder away from or near piston rod, enter
And realize the suction and injection of releasing agent.
So set the devices such as oil cylinder to carry out the releasing agent spraying of preceding model cavity, not only increase production efficiency, reduce
Spray time, it is ensured that during each production, the dosage of releasing agent spraying is consistent, is not influenceed by workman's subjective factor, and
Make use of the power of product forming machine movement rear mold to realize the movement of oil cylinder opposing pistons, and then realize absorption, the spraying demoulding
The function of agent, reduces the energy resource consumption of spraying releasing agent, and realizes the synchronism of spraying releasing agent and matched moulds, it is to avoid spraying
Defective work is produced caused by releasing agent produces the time difference.
Further, the limit assembly includes limited block and block, and the limited block and block are arranged on front mould
Parallel on the side wall in die sinking direction, limited block is located on the wall of front mould side near one end of rear mold, and the block is located at limited block
The side away from rear mold, and have spacing between limited block and block；
On the piston rod of oil cylinder away from piston one end activity after the limited block with block near limited block side wall
Contact；
The one end away from piston is provided with position stop piece on the piston rod, and the position stop piece makes away from piston on piston rod
Only moved between block after limited block at end, it is impossible to deviate from from limited block.
During die sinking, rear mold away from front mould, piston rod and oil cylinder synchronizing moving, until away from one end of piston on piston rod
Position stop piece is contacted with limited block, and to limit the movement of piston rod, the piston being attached thereto also is maintained static, and then piston and oil
Space increase between cylinder, and negative pressure is produced, oil cylinder sucks releasing agent from memory from memory；
During matched moulds, rear mold near front mould, piston rod and oil cylinder synchronizing moving, until on piston rod away from piston one end with
Block is contacted, and to limit the movement of piston rod, the piston being attached thereto also is maintained static, and then reduces piston and oil cylinder bottom
Between space, in the space pressure increase, and by the releasing agent in oil cylinder from nozzle spray.
Further, the position stop piece is backing pin, and, along piston rod radially across piston rod, and position stop piece is along piston rod for it
The projection of axis does not fall on the end face of piston rod entirely.
Further, the limited block and block are fixed on front mould by way of it can dismantle, and the memory is installed
In rear mold.
Further, also including the air pump and air inlet pipe that are sequentially communicated, away from one end of air pump in the air inlet pipe
Connected with nozzle, during the nozzle release agent spraying, the air that will come from air inlet pipe together sprays.
Releasing agent viscosity is larger, and when being mixed into without air, the release agent breaks sexual intercourse that nozzle sprays is poor；When by air pump and
After air inlet pipe is mixed into air, nozzle can nebulize ejection releasing agent, increased the dispersiveness of releasing agent, obtain preceding model cavity
Releasing agent evenly.
The present invention compared with prior art, has the following advantages and advantages：
1st, the present invention improves the deep cavity mould of injection efficiency, so sets the devices such as oil cylinder to carry out the demoulding of preceding model cavity
Agent is sprayed, and when not only ensure that each production, the dosage of releasing agent spraying is consistent, is not influenceed by workman's subjective factor, and
Make use of the power of product forming machine movement rear mold to realize the movement of oil cylinder opposing pistons, and then realize absorption, the spraying demoulding
The function of agent, reduces the energy resource consumption of spraying releasing agent, and realizes the synchronism of spraying releasing agent and matched moulds, it is to avoid spraying
Defective work is produced caused by releasing agent produces the time difference；
2nd, the present invention improves the deep cavity mould of injection efficiency, and releasing agent viscosity is larger, when being mixed into without air, what nozzle sprayed
Release agent breaks sexual intercourse is poor；After air is mixed into by air pump and air inlet pipe, nozzle can nebulize ejection releasing agent, increase
The dispersiveness of releasing agent, makes the releasing agent that preceding model cavity is obtained evenly.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of present invention die sinking；
Fig. 2 is the structural representation of matched moulds of the present invention；
Enlarged diagram when Fig. 3 is die sinking at nozzle.
Mark and corresponding parts title in accompanying drawing：
1- memories, 2- nozzles, 3- input pipes, 4- oil cylinders, 5- efferent ducts, 6- rear molds, 7- front moulds, 8- piston rods, 9- limits
Position block, 10- blocks, 11- position stop pieces, 12- air inlet pipe.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
It is limitation of the invention.
Embodiment 1
As shown in Figure 1-Figure 3, the present invention improves the deep cavity mould of injection efficiency, including the releasing agent memory being sequentially connected
1 and nozzle 2, check valve, input pipe 3, oil cylinder 4 and efferent duct 5 are disposed between memory 1 and nozzle 2, in front mould 7
On parallel to die sinking direction side wall on be provided with limit assembly；
In the insertion rear mold 6 of the nozzle 2 on the end face of front mould 7；
The oil cylinder 4 is arranged in rear mold 6 on the side wall parallel to die sinking direction, and the diameter parallel of oil cylinder 4 is in die sinking side
To, and one end on the piston rod 8 of oil cylinder 4 away from piston is connected with limit assembly, the limit assembly can limit piston rod 8
Movement；
The input pipe 3 and efferent duct 5 are connected with the working chamber on oil cylinder 4 near cylinder bottom；During die sinking, cylinder bottom is away from work
Plug, releasing agent enters the working chamber on oil cylinder 4 near cylinder bottom from memory 1 via check valve and input pipe 3；During matched moulds, cylinder bottom
Near piston, in sending into the releasing agent in oil cylinder 4 nozzle 2 and spray to the die cavity of front mould 7 via efferent duct 5.
During die sinking, rear mold 6 limits the shifting of one end away from piston on piston rod 8 away from front mould 7, the limit assembly
Dynamic, piston rod 8 is motionless, and the piston being attached thereto also is maintained static, and then the space increase between piston and oil cylinder 4, and produces
Negative pressure, oil cylinder sucks releasing agent from memory 1 from memory 1；During matched moulds, rear mold 6 is near front mould 7, described spacing group
Part limits the movement of one end away from piston on piston rod 8, and then reduces the space between piston and the cylinder bottom of oil cylinder 4, the sky
Interior pressure increase, and the releasing agent in oil cylinder 4 is sprayed from nozzle 2.
So set the grade device of oil cylinder 4 to carry out the releasing agent spraying of the die cavity of front mould 7, not only ensure that each production
When, the dosage of releasing agent spraying is consistent, is not influenceed by workman's subjective factor, and make use of product forming machine to move the dynamic of rear mold 6
Power realizes the movement of the opposing pistons of oil cylinder 4, and then realizes absorption, the function of spraying releasing agent, reduces spraying releasing agent
Energy resource consumption；Oil cylinder 4 is arranged in rear mold 6, the end of piston rod can be fixed on front mould 7, realize spraying releasing agent
With the synchronism of matched moulds, it is to avoid defective work is produced caused by spraying releasing agent produces the time difference.
Embodiment 2
The present invention is on the basis of embodiment 1, the present invention to be further illustrated.
As shown in Figure 1-Figure 3, the present invention improves the deep cavity mould of injection efficiency, and the limit assembly includes the He of limited block 9
Block 10, the limited block 9 and block 10 are arranged on front mould 7 on the side wall parallel to die sinking direction, and limited block 9 is located at preceding
Near one end of rear mold 6 on the side wall of mould 7, the block 10 is located at the side away from rear mold 6 of limited block 9, and limited block 9 and gear
There is spacing between block 10；
One end activity on the piston rod 8 of oil cylinder 4 away from piston is close to limited block 9 after limited block 9 with block 10
Sidewall contact；
One end away from piston on piston rod 8 is provided with position stop piece 11, and the position stop piece 11 makes on piston rod 8 away from work
Only moved between block 10 after limited block 9 one end of plug, it is impossible to deviate from from limited block 9.
During die sinking, rear mold 6 away from front mould 7, piston rod 8 and the synchronizing moving of oil cylinder 4, until away from piston on piston rod 8
The position stop piece 11 of one end is contacted with limited block 9, and to limit the movement of piston rod 8, the piston being attached thereto also is maintained static, and is entered
And the space increase between piston and oil cylinder 4, and negative pressure is produced, oil cylinder inhales releasing agent from memory 1 from memory 1
Enter；
During matched moulds, rear mold 6 is close to front mould 7, piston rod 8 and the synchronizing moving of oil cylinder 4, until away from piston on piston rod 8
One end is contacted with block 10, and to limit the movement of piston rod 8, the piston being attached thereto also is maintained static, and then reduces piston
And the space between the cylinder bottom of oil cylinder 4, the pressure increase in the space, and the releasing agent in oil cylinder 4 is sprayed from nozzle 2.
Further, the position stop piece 11 is backing pin, and it is along piston rod 8 radially across piston rod 8, and the edge of position stop piece 11
The projection of the axis of piston rod 8 does not fall on the end face of piston rod 8 entirely.
Further, the limited block 9 and block 10 are fixed on front mould 7 by way of it can dismantle, the memory 1
In rear mold 6.
Embodiment 3
The present invention is on the basis of embodiment 1, the present invention to be further illustrated.
As shown in Figure 1-Figure 3, the present invention improves the deep cavity mould of injection efficiency, also including the air pump that is sequentially communicated and enters
Tracheae 12, one end in the air inlet pipe 12 away from air pump connects with nozzle 2, during 2 release agent spraying of nozzle, will come from
The air of air inlet pipe 12 together sprays.
Releasing agent viscosity is larger, and when being mixed into without air, the release agent breaks sexual intercourse that nozzle 2 sprays is poor；When by air pump
After being mixed into air with air inlet pipe 12, nozzle 2 can nebulize ejection releasing agent, increased the dispersiveness of releasing agent, make preceding model
The releasing agent that chamber obtains is evenly.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include
Within protection scope of the present invention.
Claims (6)
1. the deep cavity mould of injection efficiency, including the releasing agent memory (1) and nozzle (2) being sequentially connected are improved, and its feature exists
In：Check valve, input pipe (3), oil cylinder (4) and efferent duct (5) are disposed between memory (1) and nozzle (2), preceding
On mould (7) parallel to die sinking direction side wall on be provided with limit assembly；
In the rear mold (6) of the embedded depth cavity mould of the nozzle (2) on the end face of the front mould (7) of depth cavity mould；
The oil cylinder (4) is arranged on the side of deep cavity mould, the diameter parallel of oil cylinder (4) in die sinking direction, and oil cylinder (4) work
One end on stopper rod (8) away from piston is connected with limit assembly, and the limit assembly can limit piston rod (8) along oil cylinder (4)
The movement of axis, now drive device driving oil cylinder (4) is close or away from piston rod (8)；
The input pipe (3) and efferent duct (5) are connected with the working chamber on oil cylinder (4) near cylinder bottom；During die sinking, cylinder bottom away from
Piston, releasing agent enters the working chamber on oil cylinder (4) near cylinder bottom from memory (1) via check valve and input pipe (3)；Matched moulds
When, cylinder bottom, can be by the releasing agent in oil cylinder (4) is via efferent duct (5) feeding nozzle (2) and sprays to front mould (7) near piston
In die cavity.
2. it is according to claim 1 improve injection efficiency deep cavity mould, it is characterised in that：The limit assembly includes limit
Position block (9) and block (10), the limited block (9) and block (10) are arranged on front mould (7) side parallel to die sinking direction
On wall, near one end of rear mold (6) on the wall of front mould (7) side, the block (10) is positioned at limited block (9) for limited block (9)
There is spacing away between the side of rear mold (6), and limited block (9) and block (10)；
One end activity on the piston rod (8) of oil cylinder (4) away from piston is close spacing with block (10) afterwards through limited block (9)
The sidewall contact of block (9)；
One end away from piston on piston rod (8) is provided with position stop piece (11), and the position stop piece (11) makes remote on piston rod (8)
Only moved between block (10) afterwards in limited block (9) from one end of piston, it is impossible to deviate from from limited block (9).
3. it is according to claim 2 improve injection efficiency deep cavity mould, it is characterised in that：The position stop piece (11) is gear
Pin, it does not fall entirely radially across piston rod (8), and position stop piece (11) along piston rod (8) along the projection of piston rod (8) axis
On the end face of piston rod (8).
4. it is according to claim 2 improve injection efficiency deep cavity mould, it is characterised in that：The limited block (9) and gear
Block (10) is fixed on front mould (7) by way of it can dismantle.
5. it is according to claim 1 improve injection efficiency deep cavity mould, it is characterised in that：Also include the sky being sequentially communicated
Air pump and air inlet pipe (12), one end on the air inlet pipe (12) away from air pump connect with nozzle (2), nozzle (2) spray
During releasing agent, the air that will come from air inlet pipe (12) together sprays.
6. it is according to claim 1 improve injection efficiency deep cavity mould, it is characterised in that：The memory (1) is installed
In rear mold (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710282716.9A CN106827410B (en) | 2017-04-26 | 2017-04-26 | Improve the deep cavity mould of injection efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710282716.9A CN106827410B (en) | 2017-04-26 | 2017-04-26 | Improve the deep cavity mould of injection efficiency |
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| Publication Number | Publication Date |
|---|---|
| CN106827410A true CN106827410A (en) | 2017-06-13 |
| CN106827410B CN106827410B (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710282716.9A Active CN106827410B (en) | 2017-04-26 | 2017-04-26 | Improve the deep cavity mould of injection efficiency |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660470A (en) * | 2020-05-27 | 2020-09-15 | 青岛科技大学 | Release agent spraying device and rubber injection molding equipment |
| CN112026104A (en) * | 2020-08-11 | 2020-12-04 | 黄海霞 | Injection mold for automobile parts |
| CN112776263A (en) * | 2021-02-03 | 2021-05-11 | 深圳市比亚美塑胶模具有限公司 | Injection molding process and injection molding equipment for electric toothbrush shell |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103429B (en) * | 2019-06-11 | 2020-05-15 | 佛山市崎迪汽车配件有限公司 | High-efficient injection mold convenient to drawing of patterns |
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| DE2526901A1 (en) * | 1975-06-16 | 1977-01-13 | Acheson Gmbh | Mobile spray head for cleaning or lubricating compression moulds - having mutually perpendicular introduction and retraction paths |
| US4759703A (en) * | 1986-03-05 | 1988-07-26 | Netstal-Maschinen Ag | Equipment for spraying the mold surfaces of multi-part dies |
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| CN205732881U (en) * | 2016-06-27 | 2016-11-30 | 广州德志金属制品有限公司 | A kind of interior spray system of die casting |
| CN206716309U (en) * | 2017-04-26 | 2017-12-08 | 泸州市胜科模具制造有限公司 | The device of the automatic spraying releasing agent of deep cavity mould |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2526901A1 (en) * | 1975-06-16 | 1977-01-13 | Acheson Gmbh | Mobile spray head for cleaning or lubricating compression moulds - having mutually perpendicular introduction and retraction paths |
| US4759703A (en) * | 1986-03-05 | 1988-07-26 | Netstal-Maschinen Ag | Equipment for spraying the mold surfaces of multi-part dies |
| JPH06269917A (en) * | 1993-03-19 | 1994-09-27 | Olympus Optical Co Ltd | Method and device for spraying die casting product |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660470A (en) * | 2020-05-27 | 2020-09-15 | 青岛科技大学 | Release agent spraying device and rubber injection molding equipment |
| CN112026104A (en) * | 2020-08-11 | 2020-12-04 | 黄海霞 | Injection mold for automobile parts |
| CN112776263A (en) * | 2021-02-03 | 2021-05-11 | 深圳市比亚美塑胶模具有限公司 | Injection molding process and injection molding equipment for electric toothbrush shell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106827410B (en) | 2019-03-01 |
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