CN110355944A - A kind of cell phone rear cover embryo material molding die including center adjusting active type chamber by spring - Google Patents
A kind of cell phone rear cover embryo material molding die including center adjusting active type chamber by spring Download PDFInfo
- Publication number
- CN110355944A CN110355944A CN201910467632.1A CN201910467632A CN110355944A CN 110355944 A CN110355944 A CN 110355944A CN 201910467632 A CN201910467632 A CN 201910467632A CN 110355944 A CN110355944 A CN 110355944A
- Authority
- CN
- China
- Prior art keywords
- type chamber
- active type
- rear cover
- stent
- cell phone
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 80
- 210000001161 mammalian embryo Anatomy 0.000 title claims abstract description 69
- 238000000465 moulding Methods 0.000 title claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims description 23
- 238000007493 shaping process Methods 0.000 claims description 12
- 230000008450 motivation Effects 0.000 claims description 2
- 238000013459 approach Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 11
- 239000002994 raw material Substances 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 10
- 239000004926 polymethyl methacrylate Substances 0.000 description 10
- 239000007924 injection Substances 0.000 description 9
- 238000002347 injection Methods 0.000 description 9
- 239000004417 polycarbonate Substances 0.000 description 9
- 230000006872 improvement Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000011344 liquid material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012994 photoredox catalyst Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- -1 acryl Chemical group 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000005587 carbonate group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 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
- B29C45/17—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
- 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
- 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
- B29C45/34—Moulds having venting means
-
- 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
- B29C45/36—Moulds having means for locating or centering cores
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/80—Measuring, controlling or regulating of relative position of mould parts
-
- 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
- B29C2045/2697—Deformed geometry of the cavity
-
- 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
- B29C45/36—Moulds having means for locating or centering cores
- B29C2045/363—Moulds having means for locating or centering cores using a movable core or core part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
Abstract
The present invention provides a kind of cell phone rear cover embryo material molding die including center that active type chamber is adjusted by spring, it is characterized by: there are five forming surfaces for the mobile mould mold core, angle between four forming surfaces of surrounding and the forming surface of centre is more than or equal to 90 degree, for the stent mold core there are five forming surface, the angle between four forming surfaces of surrounding and the forming surface of centre is more than or equal to 90 degree.Of the invention adjusts the cell phone rear cover embryo material molding die including center of active type chamber due to being equipped with active type chamber by spring, the size of active type chamber can be adjusted according to the demand of product, volume before making active type chamber stop compression is greater than the volume of product, raw material is easy flowing in biggish active type chamber, product is easy molding, and product internal stress is good, appearance is beautiful, thickness is uniform, composite material is not easy to be separated from each other；Since cell phone rear cover and mobile phone center are integral type, excessively naturally, reducing production process, cost is reduced.
Description
Technical field
The present invention relates to a kind of embryo material molding die more particularly to it is a kind of by spring adjust active type chamber include center
Cell phone rear cover embryo material molding die.
Background technique
Injection mold is a kind of tool for producing plasthetics, is also to confer to plasthetics complete structure and accurate dimension
Tool.Injection molding is a kind of processing method used when producing certain complex-shaped components in batches.It refers specifically to melt heated
Plastics by injection molding machine high pressure inject die cavity obtain formed products after cooling and solidifying.
Injection mold is made of dynamic model and cover half two parts, and dynamic model is mounted on the moving die plate of injection (mo(u)lding) machine, cover half
It is mounted on the fixed form of injection (mo(u)lding) machine, is all dynamic model and cover half composition fixed chamber, type chamber size cannot change.
In injection moulding, dynamic model and cover half closure constitute running gate system and type chamber, and dynamic model and cover half separation are to take out modeling when die sinking
Material products.In order to reduce heavy mold design and manufacturing effort, injection mould uses standard die set mostly.
Currently, the mold of the formed product in die industry is all using the past intracavitary injecting glue of fixed, the fixed
The size of chamber volume is identical as the volume size of product, and fixed chamber is less than normal during molding leads to material flow resistance
Greatly, it is not easy to form, injection pressure and injection speed must be increased in order to reach formed product, lead to institute's shaped article in this way
Internal stress it is big, appearance is bad, in uneven thickness, composite material is easily separated, to make that product quality is very poor, yield is low.
Summary of the invention
Based on the deficiencies of the prior art, active type chamber is adjusted by spring it is an object of the present invention to a kind of
Cell phone rear cover embryo material molding die including center, the temperature of adjustable mold corresponding product corresponding position；Due to mobile mould
Mold core and stent mold core are all provided with there are five forming surface, and four forming surfaces around mobile mould mold core combine it with mold insert
Between maximum distance >=movement mould mold core and the stent mold core between minimum range, make cell phone rear cover and mobile phone center
For integral type, excessively naturally, reducing cost, and center integral type cell phone rear cover embryo material appearance is more beautiful than non-Unitary；By
In being equipped with cold burden cavity, cooling liquid material is easy to flow to cold burden cavity；Due to being equipped with active type chamber, stop active type chamber
Volume before compression is greater than the volume of product, the intracavitary liquid of the active type of shaping mobile phone rear cover and its center other than cold burden cavity
State material flow is uniform, and cell phone rear cover and its center are easy molding under low speed or low pressure, and product internal stress is good, appearance
Beautiful, thickness is uniformly, composite material is not easy to be separated from each other.
To achieve the goals above, the present invention provides a kind of mobile phones including center that active type chamber is adjusted by spring
Rear cover embryo material molding die comprising mobile mould and stent, the mobile mould are equipped with mobile mould support device, the fixation
Mould is equipped with stent support device, and the mobile mould and the stent cooperate, and the mobile mould is equipped with mobile mould mould
Core, the stent are equipped with stent mold core, further include location structure, guidance set, water channel device, cold burden cavity and positioning
Structure, the mobile mould include elastic device, second of mobile mechanism and limiting device, and second of mobile mechanism passes through
The guidance set, the limiting device, the elastic device are flexibly connected with the mobile mould, the mold core of the mobile mould
It is located in by the location structure in the support device of the mobile mould, the mold core of the stent is tied by the positioning
Structure is located in the support device of the stent, and the water channel device is distributed in the mobile mould and in the stent,
The elastic device is compressed between second of mobile mechanism and the support device of the mobile mould by the limiting device, institute
Mobile mould mold core is stated there are five forming surface, the angle between four forming surfaces of surrounding and the forming surface of centre is greater than or waits
In 90 degree, for the stent mold core there are five forming surface, the angle between four forming surfaces of surrounding and the forming surface of centre is big
In or equal to 90 degree.
The improvement of the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring as the present invention,
The present invention further includes exhaust apparatus by the cell phone rear cover embryo material molding die including center that spring adjusts active type chamber, institute
Stating second of mobile mechanism includes moving bearing device, mold insert combination and connector, and the mold insert combination passes through the connector
It is fixed on the moving bearing device, the mold insert combination, the mobile mould mold core and stent mold core composition activity
Type chamber, the stent mold core and the mold insert are combined into the cold burden cavity, and the exhaust apparatus is located at the active type chamber week
It encloses, the mold insert combination is directly or indirectly located in the mobile mould support device by the location structure, described
Location structure is located at the side of the active type chamber, the cold burden cavity be located at the other side of the active type chamber and with the work
The connection of ejector half chamber, the cold burden cavity have one or two, and four forming surfaces around the mobile mould mold core combine it with mold insert
Between maximum distance be T3, four forming surfaces around four forming surfaces of the stent mold core and adjacent mobile mould mold core
Between maximum distance be T4, minimum range between the mobile mould mold core and the stent mold core is T5, T4=T3 >=
T5。
The improvement of the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring as the present invention,
The present invention includes by the exhaust apparatus of the cell phone rear cover embryo material molding die including center that spring adjusts active type chamber
Air drain, exhaust clearance and exhaust passage, the exhaust clearance and the air drain connection, the exhaust clearance there are two or two
More than a, the size of each exhaust clearance is set according to the difference of die location where the exhaust clearance, and one
It is had a generally triangular shape between the location structure and two cold burden cavities, close to isosceles triangle or close to equilateral triangle
Shape, the cold burden cavity is located between the stent mold core combines with the mold insert, the main position of the cavity of the cold burden cavity
In in the stent mold core or the edge sub-assembly.
The improvement of the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring as the present invention,
The present invention adjusts the big of the exhaust clearance of the cell phone rear cover embryo material molding die including center of active type chamber by spring
The small feed inlet most proximal end from from mold successively changes to the feed inlet distalmost end from mold or the size of the exhaust clearance
Successively change from the position that mold molding is easiest to the position that mold molding is most difficult to.
The improvement of the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring as the present invention,
The present invention includes by the location structure of the cell phone rear cover embryo material molding die including center that spring adjusts active type chamber
Sprue bushing mold insert, feed inlet mold insert and positioning pin, the sprue bushing mold insert are mounted on the centre bit of the stent by positioning pin
It sets, the feed inlet mold insert is mounted on the center of the mobile mould by positioning pin.
The improvement of the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring as the present invention,
The present invention is one by the active type chamber that spring adjusts the cell phone rear cover embryo material molding die including center of active type chamber
It is a or more than one.
The improvement of the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring as the present invention,
The present invention adjusts the big of the exhaust clearance of the cell phone rear cover embryo material molding die including center of active type chamber by spring
Small is L, 0.005mm≤L≤0.08mm.
The improvement of the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring as the present invention,
The present invention adjusts the big of the exhaust clearance of the cell phone rear cover embryo material molding die including center of active type chamber by spring
Small is L, L=0.025mm.
Compared with prior art, the present invention by spring adjust active type chamber the cell phone rear cover embryo material including center at
Pattern has the advantages that the temperature of adjustable mold corresponding product corresponding position；Due to mobile mould mold core and admittedly
Cover half mold core is all provided with there are five forming surface, and four forming surfaces around mobile mould mold core combined with mold insert between maximum
The minimum range of distance >=between mobile mould mold core and the stent mold core, makes cell phone rear cover and mobile phone center integral type,
Excessively naturally, reducing cost, and center integral type cell phone rear cover embryo material appearance is more beautiful than non-Unitary；It is cold due to being equipped with
Expect that chamber, cooling liquid material are easy to flow to cold burden cavity；Due to being equipped with active type chamber, before so that active type chamber is stopped compression
Volume is greater than the volume of product, the intracavitary liquid material stream of the active type of shaping mobile phone rear cover and its center other than cold burden cavity
Dynamic uniform, cell phone rear cover and its center are easy molding under low speed or low pressure, and product internal stress is good, appearance is beautiful, thickness
Uniformly, composite material is not easy to be separated from each other.
Detailed description of the invention
Fig. 1 is that the cell phone rear cover embryo material molding die including center that the present invention adjusts active type chamber by spring is preferably real
Apply the raw material disposal schematic diagram of example.
Fig. 2 is that the cell phone rear cover embryo material molding die including center that the present invention adjusts active type chamber by spring is preferably real
Apply the schematic diagram of example started before molding.
Fig. 3 is that the cell phone rear cover embryo material molding die including center that the present invention adjusts active type chamber by spring is preferably real
Apply the sectional view of the formation active type chamber A of example.
Fig. 4 is that the cell phone rear cover embryo material molding die including center that the present invention adjusts active type chamber by spring is preferably real
Apply the sectional view of the formation active type chamber D of example.
Fig. 5 is that the cell phone rear cover embryo material molding die including center that the present invention adjusts active type chamber by spring is preferably real
Apply the enlarged diagram of W in the formation active type chamber D of example.
Fig. 6 is that the cell phone rear cover embryo material molding die including center that the present invention adjusts active type chamber by spring is preferably real
Apply the sectional view of the formation active type chamber B of example.
Fig. 7 is that the cell phone rear cover embryo material molding die including center that the present invention adjusts active type chamber by spring is preferably real
Apply the sectional view of the formation active type chamber C of example.
Fig. 8 is that the cell phone rear cover embryo material molding die including center that the present invention adjusts active type chamber by spring is preferably real
Apply the sectional view of the formation active type chamber E of example.
Fig. 9 is that the cell phone rear cover embryo material molding die including center that the present invention adjusts active type chamber by spring is preferably real
The taking-up for applying example includes the sectional view of the cell phone rear cover embryo material of center.
Figure 10 is that the cell phone rear cover embryo material molding die including center that the present invention adjusts active type chamber by spring is preferred
The perspective view of the cell phone rear cover embryo material including center of embodiment.
Figure 11 is that the cell phone rear cover embryo material molding die including center that the present invention adjusts active type chamber by spring is preferred
The perspective view of the mobile mould mold core of embodiment.
Figure 12 is that the cell phone rear cover embryo material molding die including center that the present invention adjusts active type chamber by spring is preferred
The perspective view of the stent mold core of embodiment.
Figure 13 is that the cell phone rear cover embryo material molding die including center that the present invention adjusts active type chamber by spring is preferred
The mobile mould schematic diagram of embodiment.
Figure 14 is that the cell phone rear cover embryo material molding die including center that the present invention adjusts active type chamber by spring is preferred
The stent schematic diagram of embodiment.
Specific embodiment
The present invention is suitable for production by the cell phone rear cover embryo material molding die including center that spring adjusts active type chamber
Cell phone rear cover.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13 and Figure 14, in detail
The thin description present invention adjusts the preferred embodiment of the cell phone rear cover embryo material molding die including center of active type chamber by spring
And other embodiments.
The present invention provides a kind of cell phone rear cover embryo material molding die including center that active type chamber is adjusted by spring,
Including mobile mould 1 and stent 2, the mobile mould 1 is equipped with mobile mould support device 1.10, and the stent, which sets 2, stent
Support device 2.4, the mobile mould 1 and the stent 2 cooperate, and the mobile mould 1 is equipped with mobile mould mold core 1.12,
The stent 2 is equipped with stent mold core 2.1, further includes guidance set 3, water channel device 5, cold burden cavity F and location structure 6,
The mobile mould 1 includes elastic device 1.6, second of mobile mechanism 1.1 and limiting device 1.2, second of mobile mechanism
1.1 are flexibly connected by the guidance set 3, the limiting device 1.2, the elastic device 1.6 with the mobile mould 1, institute
The mold core 1.12 for stating mobile mould 1 is located in the mobile mould support device 1.10 by the location structure 6, the fixation
The mold core 2.1 of mould 2 is located in the stent support device 2.4 by the location structure 6, and the water channel device 5 is distributed
In the mobile mould 1 and in the stent 2, the elastic device 1.6 is compressed in second by the limiting device 1.2
Between mobile mechanism 1.1 and the support device 1.10 of the mobile mould 1, there are five forming surface, weeks for the mobile mould mold core 1.12
Angle between the forming surface 1.12.2 of the four forming surface 1.12.1 and centre that enclose is more than or equal to 90 degree, the fixation
There are five forming surface, the angle between four forming surface 2.1.1 of surrounding and the forming surface 2.1.2 of centre is greater than mould mold core 2.1
Or it is equal to 90 degree.
In the present embodiment, the present invention adjusts the cell phone rear cover embryo material shaping mould including center of active type chamber by spring
Tool further includes exhaust apparatus 8, and second of mobile mechanism includes moving bearing device 1.1.2, mold insert combination 1.1.1 and company
Fitting 1.1.3, the mold insert combine 1.1.1 and are fixed on the moving bearing device 1.10 by the connector 1.1.3,
The mold insert combination 1.1.1, the mobile mould mold core 1.12 and the stent mold core 2.1 form active type chamber, the exhaust
Device 8 is located at around the active type chamber, and it is fixed that the mold insert combination 1.1.1 directly or indirectly passes through the location structure 6
In the mobile mould support device 1.10, the location structure 6 is located at the side of the active type chamber, the cold burden cavity F for position
Positioned at the active type chamber the other side and be connected to the active type chamber, the cold burden cavity F has one or two, the shifting
It is T3, the fixation that four forming surface 1.12.1 around dynamic model mold core 1.12, which combine the maximum distance between 1.1.1 with mold insert,
Between four forming surface 1.12.1 around 2.1 4 forming surface 2.1.1 of mould mold core and adjacent mobile mould mold core 1.12 most
Big distance is T4, and the minimum range between the mobile mould mold core 1.12 and the stent mold core 2.1 is T5, T4=T3 >=
T5。
In the present embodiment, the present invention adjusts the cell phone rear cover embryo material shaping mould including center of active type chamber by spring
Tool the exhaust apparatus 8 include air drain 8.1, exhaust clearance 8.2 and exhaust passage 8.3, the exhaust clearance 8.2 with it is described
8.1 connection of air drain, the exhaust clearance 8.2 divide for two or more, the size of each exhaust clearance 8.2
Set according to the difference of the 8.2 place die location of exhaust clearance, a location structure 6.2 and two it is described cold
It is had a generally triangular shape between material chamber F, close to isosceles triangle or close to the shape of equilateral triangle, the cold burden cavity F is located at institute
It states stent mold core 2.1 to combine between 1.1.1 with the mold insert, the cavity of the cold burden cavity F is predominantly located at the stent mould
Core 2.1 or the mold insert combine in 1.1.1.
In the present embodiment, the present invention adjusts the cell phone rear cover embryo material shaping mould including center of active type chamber by spring
The size of the exhaust clearance 8.2 of tool successively becomes from the feed inlet most proximal end from mold to the feed inlet distalmost end from mold
Change or the size of the exhaust clearance 8.2 successively becomes from the position that mold molding is easiest to the position that mold molding is most difficult to
Change.
In the present embodiment, the present invention adjusts the cell phone rear cover embryo material shaping mould including center of active type chamber by spring
The location structure 6 of tool includes sprue bushing mold insert 6.1, feed inlet mold insert 6.2 and positioning pin 6.3, and the sprue bushing mold insert 6.2 is logical
The center that positioning pin 6.3 is mounted on the stent 2 is crossed, the feed inlet mold insert 6.2 is mounted on by positioning pin 6.3
The center of the mobile mould 1.
In the present embodiment, the present invention adjusts the cell phone rear cover embryo material shaping mould including center of active type chamber by spring
The active type chamber of tool is two.
In other embodiments, the present invention is formed by the cell phone rear cover embryo material including center that spring adjusts active type chamber
The active type chamber of mold is one.
In other embodiments, the present invention is formed by the cell phone rear cover embryo material including center that spring adjusts active type chamber
The active type chamber of mold is more than two.
In the present embodiment, the present invention adjusts the cell phone rear cover embryo material shaping mould including center of active type chamber by spring
The size of the exhaust clearance 8.2 of tool is L, L=0.025mm.
In other embodiments, the present invention is formed by the cell phone rear cover embryo material including center that spring adjusts active type chamber
The size of the exhaust clearance 8.2 of mold is L, 0.005mm≤L≤0.05mm.
The present invention is used easily mutual by the cell phone rear cover embryo material molding die including center that spring adjusts active type chamber
The course of work for separating composite material production cell phone rear cover is as follows:
Cell phone rear cover needs to have hardness height and the big performance of intensity simultaneously, and hardness height solution cell phone rear cover is wear-resisting and less
The using effect of scratch, the resistance to using effect fallen with anti-cracking of the big solution cell phone rear cover of intensity.
Polymethyl methacrylate, i.e. poly methyl methacrylate, abbreviation PMMA also known as do acryl, Asia
Gram force or organic glass have higher clarity and brightness, heat-resist, and have tough and tensile, and matter is hard, rigidity characteris, is used as hand
Machine rear cover shaping raw material can satisfy the using effect of the wear-resisting and less scratch of cell phone rear cover.
Polycarbonate, abbreviation PC are the high molecular polymer in strand containing carbonate group, a kind of tough thermoplasticity
Resin, shock resistance is good, can satisfy the resistance to using effect fallen with anti-cracking of cell phone rear cover as cell phone rear cover shaping raw material.
In order to meet cell phone rear cover hardness height and the big performance of intensity simultaneously, PMMA+PC composite molding can be used
Cell phone rear cover, still, injection rate range is 500mm/s or more, pressure in traditional PMMA+PC composite material process planning
Range is 2800-3000kgf/cm2, since the speed of material feeding is fast, pressure causes greatly PMMA and PC to be easily separated from each other, molding
Difficulty is big, and yield is low.
The present invention adjusts the cell phone rear cover embryo material molding die including center of active type chamber due to using work by spring
Ejector half chamber can form under conditions of relative to conventional molding process low speed low pressure, due to the speed of material feeding is relatively slow,
Pressure is relatively small, and PMMA is not easy to be separated from each other with PC, and molding difficulty becomes smaller, and yield greatly improves.
The present invention uses use by the cell phone rear cover embryo material molding die including center that spring adjusts active type chamber
It is as follows that PMMA+PC composite material produces cell phone rear cover process:
The first step dries the composite material of PMMA+PC, injection molding machine is transported to, by the composite material of PMMA+PC by solid-state
It is converted into liquid.
Second step adjusts the temperature of mold corresponding product corresponding position, reaches the cell phone rear cover embryo material of center most preferably at profile bar
Part, the temperature of mobile 1.12 surrounding forming surface 1.12.1 of mould mold core are lower than mobile 1.12 intermediary form face 1.12.2's of mould mold core
The temperature of temperature, 1.12 surrounding forming surface 1.12.1 of stent mold core is lower than 1.12 intermediary form face 1.12.2 of stent mold core
Temperature, the temperature that mold insert combines 1.1.1 is lower than the temperature of mobile 1.12 intermediary form face 1.12.2 of mould mold core or lower than solid
The temperature of 2.1 intermediary form face 2.1.2 of cover half mold core.
Third step combines 1.1.1 and spring by moving bearing device 1.1.2, mold insert or spring assembly 1.6 forms second
Mobile mechanism 1.1, mobile mould 1 is mobile to 2 direction of stent, starts to mold.
4th step is when second of mobile mechanism 1.1 touches stent 2, by being moved with mobile mould 1, stent 2, second
1.1 structure of motivation forms active type chamber and forms active type chamber A, and stent mold core 2.1 combines 1.1.1 with mold insert into the cold burden cavity
F, active type chamber volume is maximum at this time, at the same second of mobile mechanism 1.1 relative to the mobile mould 1 it is moveable it is maximum away from
From for L0, the maximum distance that four forming surface 1.12.1 around mobile mould mold core 1.12 are combined with mold insert between 1.1.1 is
Four forming surface 1.12.1 around T3,2.1 4 forming surface 2.1.1 of stent mold core and adjacent mobile mould mold core 1.12
Between maximum distance be T4.
Compression parameters of 5th step according to the mobile mould 1 of above-mentioned setting, control the mobile mould by sensor 1.4
The distance mobile to second of mobile mechanism, 1.1 opposite direction, the volume for adjusting active type chamber form active type chamber B, make
Active type chamber B is in running order, and second of mobile mechanism 1.1 is L2 relative to the distance of the mobile mould 1 at this time, described
Second of mobile mechanism 1.1 continues to be bonded with the stent 2 under the action of the spring or the spring assembly 1.6
Keep the closing of active type chamber.
Liquid material is injected into active type chamber C by the 6th step, and second of mobile mechanism is relative to the mobile mould at this time
Distance is L3, and moving the distance between mould mold core 1.12 and stent mold core 2.1 at this time is T5, T4=T3 >=T5, injection rate
Range is 180-330mm/s, pressure limit 1500-2000kgf/cm2, in the present embodiment, speed 300mm/s, pressure
For 1800kgf/cm2。
Mobile mould 1 described in 7th step is mobile, and active type chamber volume to product requirement volume, forms active type chamber from large to small
E, second of mobile mechanism is L4, L0 > L2 > L3 > L4 >=L1 relative to the distance of the mobile mould at this time.
The cooling and solidifying molding of 8th step product, the mobile mould 1 is mobile to the direction opposite with the stent 2, opens
Active type chamber, spring or spring assembly 1.6 flick second of mobile mechanism 1.1 and the mobile mould 1, and described
Secondary mobile mechanism 1.1 is mobile to 2 direction of stent relative to the mobile mould 1, and product 4 takes from the mobile mould 1
Out.
Liquid material is injected into active type chamber C by the 6th step, and second of mobile mechanism is relative to the mobile mould at this time
Distance is that the work sequencing of the two steps of L3 and active type chamber described in the 7th step is to inject liquid material in the 6th step
To active type chamber C, second of mobile mechanism is that the 7th step of beginning is dynamic in the process by L3 relative to the distance of the mobile mould at this time
Make, that is, after injecting a certain amount of liquid material, the active type chamber is started to work, and the mobile mould 1 starts to move, and continues
Material feeding is kept, guarantees that raw material required for formed product is sufficient, after meeting raw material needed for product, stops material feeding, active type chamber
Volume to product requirement volume, forms active type chamber E, the mobile mould 1 stops movement, at this point, according to product pair from large to small
The demand of raw material is by extra raw material pumpback, volume > active type chamber B volume > work of the active type chamber A
The volume of ejector half chamber C > active type chamber E volume >=active type chamber D volume.
Compared with prior art, the invention has the following advantages: adjustable mold corresponding product corresponding position
Temperature；Since mobile mould mold core and stent mold core are all provided with there are five forming surface, and four around mobile mould mold core at
Type face combined with mold insert between maximum distance >=movement mould mold core and the stent mold core between minimum range, make hand
Machine rear cover and mobile phone center are integral type, excessively naturally, reducing cost, and center integral type cell phone rear cover embryo material appearance ratio
Non-Unitary it is beautiful；Due to being equipped with cold burden cavity, cooling liquid material is easy to flow to cold burden cavity；Due to being equipped with active type
Chamber, the volume before making active type chamber stop compression being greater than the volume of product, shaping mobile phone rear cover and its center other than cold burden cavity
The intracavitary liquid material flowing of active type uniformly, cell phone rear cover and its center are easy molding under low speed or low pressure, and produce
Product internal stress is good, appearance is beautiful, thickness is uniform, composite material is not easy to be separated from each other.
Above disclosed is only presently preferred embodiments of the present invention, cannot limit the right of the present invention with this certainly
Range, therefore according to equivalent variations made by scope of the present invention patent, it is still within the scope of the present invention.
Claims (11)
1. a kind of cell phone rear cover embryo material molding die including center for adjusting active type chamber by spring, which is characterized in that its
Including mobile mould and stent, the mobile mould is equipped with mobile mould support device, and the stent is equipped with stent support device,
The mobile mould and the stent cooperate, and the mobile mould is equipped with mobile mould mold core, and the stent, which is equipped with, fixes
Mould mold core, further includes guidance set, water channel device, cold burden cavity and location structure, and the mobile mould includes elastic device, second
Mobile mechanism and limiting device, second of mobile mechanism pass through the guidance set, the limiting device, the elasticity dress
It sets and is flexibly connected with the mobile mould, the mold core of the mobile mould is located in the support of the mobile mould by the location structure
On device, the mold core of the stent is located in the support device of the stent by the location structure, the water channel
Device is distributed in the mobile mould and in the stent, and the elastic device is compressed in second of shifting by the limiting device
Between motivation structure and the support device of the mobile mould, there are five forming surface, four forming surfaces of surrounding for the mobile mould mold core
Angle between intermediate forming surface is more than or equal to 90 degree, forming surface that there are five the stent mold cores, and the four of surrounding
Angle between a forming surface and the forming surface of centre is more than or equal to 90 degree.
2. the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring according to claim 1,
It is characterized by also including exhaust apparatus, second of mobile mechanism includes moving bearing device, mold insert combination and connection
Part, the mold insert combination are fixed on the moving bearing device by the connector, the mold insert combination, the mobile mould
Mold core and the stent mold core form active type chamber, and the stent mold core and the mold insert are combined into the cold burden cavity, institute
It states exhaust apparatus to be located at around the active type chamber, the mold insert combination is directly or indirectly positioned by the location structure
In the mobile mould support device, the location structure is located at the side of the active type chamber, and the cold burden cavity is located at described
The other side of active type chamber is simultaneously connected to the active type chamber, and the cold burden cavity has one or two, the mobile mould mold core week
Four forming surfaces enclosed combined with mold insert between maximum distance be T3, four forming surfaces of the stent mold core and adjacent shifting
The maximum distance between four forming surfaces around dynamic model mold core is T4, between the mobile mould mold core and the stent mold core
Minimum range be T5, T4=T3 >=T5.
3. the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring according to claim 2,
It is characterized by: the exhaust apparatus includes air drain, exhaust clearance and exhaust passage, the exhaust clearance and the air drain join
Logical, there are two the exhaust clearances or more than two, and the size of each exhaust clearance is according to the exhaust clearance institute
It is set in the difference of die location, has a generally triangular shape, approaches between a location structure and two cold burden cavities
Lumbar triangle shape is perhaps predominantly located at the stent mold core or institute close to the cavity of the shape of the equilateral triangle cold burden cavity
It states in edge sub-assembly.
4. the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring according to claim 3,
It is characterized by: the size of the exhaust clearance from the feed inlet most proximal end from mold to the feed inlet distalmost end from mold successively
The size of variation or the exhaust clearance successively changes from the position that mold molding is easiest to the position that mold molding is most difficult to.
5. the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring according to claim 1,
It is characterized by: the location structure includes sprue bushing mold insert, feed inlet mold insert and positioning pin, the sprue bushing mold insert passes through positioning pin
It is mounted on the center of the stent, the feed inlet mold insert is mounted on the centre bit of the mobile mould by positioning pin
It sets.
6. the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring according to claim 2,
It is characterized by: the location structure includes sprue bushing mold insert, feed inlet mold insert and positioning pin, the sprue bushing mold insert passes through positioning pin
It is mounted on the center of the stent, the feed inlet mold insert is mounted on the centre bit of the mobile mould by positioning pin
It sets.
7. the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring according to claim 3,
It is characterized by: the location structure includes sprue bushing mold insert, feed inlet mold insert and positioning pin, the sprue bushing mold insert passes through positioning pin
It is mounted on the center of the stent, the feed inlet mold insert is mounted on the centre bit of the mobile mould by positioning pin
It sets.
8. the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring according to claim 4,
It is characterized by: the location structure includes sprue bushing mold insert, feed inlet mold insert and positioning pin, the sprue bushing mold insert passes through positioning pin
It is mounted on the center of the stent, the feed inlet mold insert is mounted on the centre bit of the mobile mould by positioning pin
It sets.
9. the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring according to claim 8,
It is characterized by: the active type chamber be one or more than one.
10. the cell phone rear cover embryo material molding die including center of active type chamber is adjusted by spring according to claim 9,
It is characterized by: the size of the exhaust clearance is L, 0.005mm≤L≤0.08mm.
11. the cell phone rear cover embryo material shaping mould including center of active type chamber is adjusted by spring according to claim 10
Tool, it is characterised in that: the size of the exhaust clearance is L, L=0.025mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910467632.1A CN110355944B (en) | 2019-05-30 | 2019-05-30 | Mobile phone rear cover blank forming die with movable cavity adjusted through spring and comprising middle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910467632.1A CN110355944B (en) | 2019-05-30 | 2019-05-30 | Mobile phone rear cover blank forming die with movable cavity adjusted through spring and comprising middle frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110355944A true CN110355944A (en) | 2019-10-22 |
| CN110355944B CN110355944B (en) | 2024-01-30 |
Family
ID=68215383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910467632.1A Active CN110355944B (en) | 2019-05-30 | 2019-05-30 | Mobile phone rear cover blank forming die with movable cavity adjusted through spring and comprising middle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110355944B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659480A (en) * | 2020-12-16 | 2021-04-16 | 昆山三景科技股份有限公司 | Secondary compression mould of mobile phone rear cover belt crater |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0852753A (en) * | 1994-08-12 | 1996-02-27 | Mitsubishi Gas Chem Co Inc | Method for injection-molding of molded article with hollow structure |
| JP2003326549A (en) * | 2002-05-10 | 2003-11-19 | Sekisui Plastics Co Ltd | Manufacturing method for cold reserving container and manufacturing apparatus therefor |
| CN1727169A (en) * | 2004-06-09 | 2006-02-01 | 株式会社日本制钢所 | Shaping method of thick light guiding plate and its mould |
| CN105599235A (en) * | 2015-12-29 | 2016-05-25 | 上海耀皮康桥汽车玻璃有限公司 | Backlash compensation structure of vehicle glass injection molding die |
| CN210999761U (en) * | 2019-05-30 | 2020-07-14 | 开平市盈光机电科技有限公司 | Mobile phone rear cover blank forming die with middle frame and movable cavity adjusted through spring |
-
2019
- 2019-05-30 CN CN201910467632.1A patent/CN110355944B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0852753A (en) * | 1994-08-12 | 1996-02-27 | Mitsubishi Gas Chem Co Inc | Method for injection-molding of molded article with hollow structure |
| JP2003326549A (en) * | 2002-05-10 | 2003-11-19 | Sekisui Plastics Co Ltd | Manufacturing method for cold reserving container and manufacturing apparatus therefor |
| CN1727169A (en) * | 2004-06-09 | 2006-02-01 | 株式会社日本制钢所 | Shaping method of thick light guiding plate and its mould |
| CN105599235A (en) * | 2015-12-29 | 2016-05-25 | 上海耀皮康桥汽车玻璃有限公司 | Backlash compensation structure of vehicle glass injection molding die |
| CN210999761U (en) * | 2019-05-30 | 2020-07-14 | 开平市盈光机电科技有限公司 | Mobile phone rear cover blank forming die with middle frame and movable cavity adjusted through spring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659480A (en) * | 2020-12-16 | 2021-04-16 | 昆山三景科技股份有限公司 | Secondary compression mould of mobile phone rear cover belt crater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110355944B (en) | 2024-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101774256B (en) | Compression injection molding machine and use method thereof | |
| CN110355944A (en) | A kind of cell phone rear cover embryo material molding die including center adjusting active type chamber by spring | |
| CN206748939U (en) | A kind of full valve gated mold of light guide plate | |
| CN207172617U (en) | A kind of outman's male earner face mould | |
| CN205238455U (en) | Injection mold | |
| CN210999761U (en) | Mobile phone rear cover blank forming die with middle frame and movable cavity adjusted through spring | |
| CN211221771U (en) | Forming die of lid stock behind cell-phone including center | |
| CN207841954U (en) | Injection mold is into plastic structure | |
| CN110126202A (en) | A kind of mold with active type chamber | |
| CN211165037U (en) | Mobile phone rear cover blank forming die with hydraulic device and comprising middle frame | |
| CN206551358U (en) | A kind of injection mold | |
| CN110126204A (en) | A kind of cell phone rear cover embryo material molding die including center of included hydraulic device | |
| CN110126177A (en) | A kind of moulding process for the cell phone rear cover embryo material including center adjusting active type chamber by spring | |
| CN110126203A (en) | A kind of molding die of the cell phone rear cover embryo material including center | |
| CN207711262U (en) | A kind of electronic scale shell injection mold | |
| CN110126200A (en) | A kind of movable type cavity mould of included hydraulic device | |
| CN210634024U (en) | Injection mold for automobile double-open handrail framework | |
| CN208978183U (en) | A kind of laminated type adapted to injection system | |
| CN205326157U (en) | Structure is chewed to oblique purt of mould | |
| CN207359531U (en) | Leather belt head combinatorial injection molding mould | |
| CN110315676A (en) | A kind of moulding process of included hydraulic device mold | |
| CN110126201A (en) | A kind of movable type cavity mould with elastic device | |
| CN108973023A (en) | A kind of injection mold | |
| CN110315675A (en) | A kind of moulding process of the cell phone rear cover embryo material including center of included hydraulic device | |
| CN206426392U (en) | A kind of Audi's passenger car accumulator plate lid 429A injection molds |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |