CN208576135U - BMC die for reflector - Google Patents
BMC die for reflector Download PDFInfo
- Publication number
- CN208576135U CN208576135U CN201820805600.9U CN201820805600U CN208576135U CN 208576135 U CN208576135 U CN 208576135U CN 201820805600 U CN201820805600 U CN 201820805600U CN 208576135 U CN208576135 U CN 208576135U
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- China
- Prior art keywords
- plate
- reflector
- forming cavity
- moving template
- opening
- 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.)
- Expired - Fee Related
Links
- 238000001746 injection moulding Methods 0.000 claims abstract description 29
- 239000007787 solid Substances 0.000 claims abstract description 28
- 238000002347 injection Methods 0.000 claims abstract description 27
- 239000007924 injection Substances 0.000 claims abstract description 27
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 26
- 238000000465 moulding Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000004568 cement Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model belongs to injection mold technology more particularly to a kind of BMC die for reflector.The utility model, including bottom plate, moving template, solid plate and injection molding plates, forming cavity is between moving template and solid plate, there is injection hole on the injection molding plates, injection hole is connected to forming cavity, vacuum lead is additionally provided in the moving template, described vacuum lead one end is connected to forming cavity, and the other end is connect with the vacuum evacuation device being located at outside mold.The utility model vacuumizes carry out assistant formation to forming cavity, preferably solve the problems, such as that melt is filled and flow difficulties in forming cavity, it avoids the occurrence of and is penetrated as short, the injection defect of bubble, and the utility model is equipped with flash slot structure, it prevents injecting products from generating weld mark, improves the appearance and quality of injecting products.
Description
Technical field
The utility model belongs to injection mold technology more particularly to a kind of BMC die for reflector.
Background technique
BMC die for reflector in process of production, faces melt in the intracavitary filling of type and the problem of flow difficulties often, this
Sample will result in it is short penetrate, the injection defects such as bubble, weld mark.
For example, Chinese utility model patent disclose a kind of reflector injection mold [application number: 201621286666.9],
The utility model patent includes upper die holder, upper mold, injection molding tube, lower die and lower die holder, and the upper mold is located on upper die holder, under described
Mould is set on the lower die seat, and upper mold core is equipped in the upper mold, and lower mold core is equipped in the lower die, and the upper die holder and lower die holder are solid
Fixed, the injection molding tube is threaded through in upper die holder and upper mold, and upper mold, upper mold core, lower mold core and lower die combination form two reflectors
Cavity, the upper die holder are equipped with injection hole, and the upper end of the injection molding tube is located in injection hole, the lower end of the injection molding tube and two
A reflector cavity connection.
The utility model by a mold simultaneously be arranged two reflector cavitys, can disposably manufacture two it is reflective
Bowl, to improve the production efficiency of reflector, but still not can solve it is short penetrate, the injection defects such as bubble, weld mark the problem of.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of BMC die for reflector.
In order to achieve the above objectives, the utility model uses following technical proposal:
A kind of BMC die for reflector, including bottom plate, moving template, solid plate and injection molding plates, forming cavity are located at moving template and determine
Between template, there is injection hole on the injection molding plates, injection hole is connected to forming cavity, is additionally provided with vacuum-pumping tube in the moving template
Road, described vacuum lead one end are connected to forming cavity, and the other end is connect with the vacuum evacuation device being located at outside mold.
There is the first mounting groove to moving template inner recess in above-mentioned BMC die for reflector, on the moving template,
There is the second mounting groove to solid plate inner recess, when molding, the first mounting groove installs slot position with second on the solid plate
Sealing strip mounting groove is formed in corresponding position, further includes the sealing strip in sealing strip mounting groove.
In above-mentioned BMC die for reflector, the sealing strip in a ring, and the diameter of sealing strip be greater than forming cavity it is any
The diameter of one cross section.
In above-mentioned BMC die for reflector, the sealing strip and sealing strip mounting groove are interference fitted.
In above-mentioned BMC die for reflector, mavable module core, activity in the solid plate are connected in the moving template
It is connected with fixed mold core, injection molding channel one end is connected to injection hole, and the other end penetrates through solid plate and fixed mold core is connected to forming cavity.
In above-mentioned BMC die for reflector, flash pipeline is equipped in the moving template, the flash pipeline and control are empty
Chamber connection, the control cavity are connected by connecting pipe with forming cavity, and mechanism for opening/closing setting is in control cavity.
In above-mentioned BMC die for reflector, the mechanism for opening/closing includes the opening and closing cylinder in control cavity, opening and closing
The cross-sectional area that sliding block and opening and closing cylinder are drivingly connected, and open and close sliding block is greater than the cross-sectional area of connecting pipe, the opening and closing gas
Cylinder can drive opening and closing sliding block to slide along the direction of vertical base plate.
In above-mentioned BMC die for reflector, the axial line of the connecting pipe and the angle α of forming cavity bottom surface be less than or
Equal to 15 degree.
In above-mentioned BMC die for reflector, ejecting mechanism is additionally provided between the bottom plate and moving template and is fixed at
Holding fixture block on bottom plate, the holding fixture block are symmetricly set on ejecting mechanism two sides and fit with the side of ejecting mechanism,
One end of the ejecting mechanism is pressed on bottom plate, and the other end extends to forming cavity bottom surface.
In above-mentioned BMC die for reflector, mechanism includes the fixed plate being fixedly connected with bottom plate, is pressed on fixed plate out
On liftout plate and knock-pin, described knock-pin one end is fixedly connected on liftout plate, and the other end extends to forming cavity bottom surface, Gu
The side of fixed board and liftout plate is bonded with holding fixture block and liftout plate opposite can keep fixture block to slide along the direction of vertical base plate.
Compared with prior art, utility model has the advantages that
1, the utility model vacuumizes carry out assistant formation to forming cavity, preferably solves melt and fills in forming cavity
And the problem of flow difficulties, avoid the occurrence of as it is short penetrate, the injection defect of bubble.
2, the utility model is equipped with flash slot structure, prevents injecting products from generating weld mark, improves the outer of injecting products
Sight and quality.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the cross-sectional view of the utility model other direction；
In figure: bottom plate 1, moving template 2, solid plate 3, injection molding plates 4, forming cavity 5, vacuum lead 6, sealing strip mounting groove 7,
Sealing strip 8, control cavity 10, connecting pipe 11, mechanism for opening/closing 12, ejecting mechanism 13, keeps fixture block 14, first at flash pipeline 9
Mounting groove 21, mavable module core 22, the second mounting groove 31, fixed mold core 32, injection hole 41, injection molding channel 42, opening and closing cylinder 121, opening and closing
Sliding block 122, fixed plate 131, liftout plate 132, knock-pin 133.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of BMC die for reflector, including bottom plate 1, moving template 2, solid plate 3 and injection molding plates 4, forming cavity
5 between moving template 2 and solid plate 3, has injection hole 41 on the injection molding plates 4, and injection hole 41 is connected to forming cavity 5, institute
State and be additionally provided with vacuum lead 6 in moving template 2, described 6 one end of vacuum lead is connected to forming cavity 5, the other end be located at mould
Vacuum evacuation device connection outside tool.
The utility model, in use, moving template 2 and solid plate 3 fit to form forming cavity 5, injection molding machine passes through injection molding plates 4
On injection hole 41 be connected with mold, at this time by vacuum lead 6 be located at mold outside vacuum evacuation device connect, to forming
Chamber 5 is vacuumized, the utility model to the specific type of vacuum evacuation device with no restriction, as long as can play the role of vacuumizing
, such as can be vacuum pump, after certain vacuum degree is reached in forming cavity 5, stop vacuumizing, vacuum evacuation device with vacuumize
Pipeline 6 separates, and vacuum lead 6 is not connected to the mold external world at this time, and melt plastic cement is injected by injection molding machine by injection hole 41
In shape chamber 5, injecting products are obtained after cooling and shaping, therefore the utility model vacuumizes forming cavity 5 in injection moulding process and assists
Molding preferably solves the problems, such as that melt is filled and flow difficulties in forming cavity 5, avoid the occurrence of as it is short penetrate, the note of bubble
Mould defect.
As shown in figure 3, having the first mounting groove 21 to 2 inner recess of moving template, the solid plate on the moving template 2
There is the second mounting groove 31 to 3 inner recess of solid plate, when molding, the first mounting groove 21 is located at the second mounting groove 31 on 3
Corresponding position forms sealing strip mounting groove 7, further includes the sealing strip 8 in sealing strip mounting groove 7, and conjunction can be improved in sealing strip 8
Air-tightness when mould between moving template 2 and solid plate 3 makes the vacuum degree in forming cavity 5 be able to maintain the long period.
Preferably, the sealing strip 8 in a ring, and the diameter of sealing strip 8 be greater than 5 any one cross section of forming cavity it is straight
Diameter, air-tightness when can be further improved molding in this way between moving template 2 and solid plate 3.
Preferably, the sealing strip 8 is interference fitted with sealing strip mounting groove 7, dynamic model when can be further improved molding in this way
Air-tightness between plate 2 and solid plate 3.
Referring to figs. 1 and 2, flash pipeline 9, the flash pipeline 9 and control cavity 10 are equipped in the moving template 2
Connection, the control cavity 10 are connected by connecting pipe 11 with forming cavity 5, and the setting of mechanism for opening/closing 12 is in control cavity 10
Interior, the mechanism for opening/closing 12 includes the opening and closing cylinder 121 in control cavity 10, and opening and closing sliding block 122 and opening and closing cylinder 121 drive
Dynamic connection, and the cross-sectional area for opening and closing sliding block 122 is greater than the cross-sectional area of connecting pipe 11, opening and closing sliding block 122 in this way could be complete
Totally-enclosed connecting pipe 11, the opening and closing cylinder 121 can drive opening and closing sliding block 122 to slide along the direction of vertical base plate 1, lean on it
Close or remote from connecting pipe 11, when vacuumizing to forming cavity 5, the opening and closing driving opening and closing sliding block 122 of cylinder 121 is allowed to closed communication pipe
Road 11, forming cavity 5 and flash pipeline 9 are mutually isolated at this time, and in injection moulding process, the opening and closing driving opening and closing sliding block 122 of cylinder 121 is separate
Connecting pipe 11, so that forming cavity 5 and flash pipeline 9 are interconnected, extra melt plastic cement can pass through 9 row of flash pipeline
Out, so that injecting products be prevented to generate weld mark, the appearance and quality of injecting products are improved.
Preferably, the axial line of the connecting pipe 11 and the angle α of 5 bottom surface of forming cavity are less than or equal to 15 degree, in this way
Convenient for the discharge of flash, if angle, which is crossed, the problem of putty may well occurs.
As shown in Figure 1, being additionally provided with ejecting mechanism 13 between the bottom plate 1 and moving template 2 and being fixed on bottom plate 1
Fixture block 14 is kept, the holding fixture block 14 is symmetricly set on 13 two sides of ejecting mechanism and fits with the side of ejecting mechanism 13,
One end of the ejecting mechanism 13 is pressed on bottom plate 1, and the other end extends to 5 bottom surface of forming cavity, and the ejecting mechanism 13 includes
The fixed plate 131 being fixedly connected with bottom plate 1, the liftout plate 132 and knock-pin 133 that are pressed in fixed plate 131, the knock-pin
133 one end are fixedly connected on liftout plate 132, and the other end extends to 5 bottom surface of forming cavity, the side of fixed plate 131 and liftout plate 132
Face is bonded with holding fixture block 14 and liftout plate 132 opposite can keep fixture block 14 to slide along the direction of vertical base plate 1.
Be equipped between bottom plate 1 and moving template 2 and keep fixture block 14 and ejecting mechanism 13, keep the both ends of fixture block 14 respectively with bottom
Plate 1 and moving template 2 are detachably connected and fixture block 14 are kept at least to have two pieces, are symmetricly set on the edge of bottom plate 1, are being molded into
During type, keeps fixture block 14 to can be used for keeping the distance between bottom plate 1 and moving template 2, prevent from occurring in injection moulding process
Cause since injection pressure is excessive the case where separation of solid plate 3 and moving template 2, ejecting mechanism 13 includes being pressed on bottom plate 1
Fixed plate 131, the liftout plate 132 and knock-pin 133 that are pressed in fixed plate 131,133 one end of knock-pin penetrates through liftout plate
132 are fixedly connected in fixed plate 131, and the other end extends to 5 bottom surface of forming cavity, after die sinking, between solid plate 3 and moving template 2
Movement close to moving template 2 occurs for separation, liftout plate 132, to make the ejection of the completion injecting products of knock-pin 133.
The working principle of the utility model is: being molded in use, moving template 2 and solid plate 3 fit to form forming cavity 5
Machine is connected by the injection hole 41 on injection molding plates 4 with mold, and the opening and closing driving opening and closing sliding block 122 of cylinder 121 is allowed to closed communication
Pipeline 11, so that forming cavity 5 and flash pipeline 9 are mutually isolated, at this time by vacuum lead 6 and the vacuum means outside mold
Set connection, forming cavity 5 vacuumized, after certain vacuum degree is reached in forming cavity 5, stop vacuumizing, vacuum evacuation device with
Vacuum lead 6 separates, and vacuum lead 6 is not connected to the mold external world at this time, and melt plastic cement passes through injection hole 41 by injection molding machine
In 42 injection molding chamber 5 of injection molding channel, the driving opening and closing sliding block 122 of cylinder 121 is opened and closed at this time far from connecting pipe 11, so that at
Shape chamber 5 and flash pipeline 9 are interconnected, and extra melt plastic cement can be discharged by flash pipeline 9, must be molded after cooling and shaping
Product, recycles knock-pin 133 to complete the ejection of injecting products, and the utility model vacuumizes forming cavity 5 in injection moulding process
Carry out assistant formation, preferably solve the problems, such as that melt is filled and flow difficulties in forming cavity 5, avoid the occurrence of as it is short penetrate,
The injection defect of bubble.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although bottom plate 1, moving template 2, solid plate 3, injection molding plates 4, forming cavity 5, vacuum lead is used more herein
6, sealing strip mounting groove 7, sealing strip 8, flash pipeline 9, control cavity 10, connecting pipe 11, mechanism for opening/closing 12, ejecting mechanism
13, fixture block 14, the first mounting groove 21, mavable module core 22, the second mounting groove 31, fixed mold core 32, injection hole 41, injection molding channel are kept
42, the terms such as cylinder 121, opening and closing sliding block 122, fixed plate 131, liftout plate 132, knock-pin 133 are opened and closed, but use is not precluded
A possibility that other terms.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；?
It is contrary to the spirit of the present invention that they, which are construed to any additional limitation all,.
Claims (10)
1. a kind of BMC die for reflector, including bottom plate (1), moving template (2), solid plate (3) and injection molding plates (4), forming cavity (5)
Between moving template (2) and solid plate (3), there is injection hole (41), injection hole (41) and forming cavity on the injection molding plates (4)
(5) be connected to, it is characterised in that: is additionally provided with vacuum lead (6) in the moving template (2), described vacuum lead (6) one end with
Forming cavity (5) connection, the other end are connect with the vacuum evacuation device being located at outside mold.
2. BMC die for reflector as described in claim 1, it is characterised in that: have on the moving template (2) to moving template
(2) the first mounting groove (21) of inner recess has the second installation to solid plate (3) inner recess on the solid plate (3)
Slot (31), when molding, the first mounting groove (21) and the second mounting groove (31) are located at corresponding position formation sealing strip mounting groove (7),
It further include the sealing strip (8) in sealing strip mounting groove (7).
3. BMC die for reflector as claimed in claim 2, it is characterised in that: the sealing strip (8) in a ring, and sealing strip
(8) diameter is greater than the diameter of forming cavity (5) any one cross section.
4. BMC die for reflector as claimed in claim 2, it is characterised in that: the sealing strip (8) and sealing strip mounting groove
(7) it is interference fitted.
5. BMC die for reflector as described in claim 1, it is characterised in that: be connected with dynamic model in the moving template (2)
Benevolence (22), the solid plate (3) is interior to be connected with fixed mold core (32), and injection molding channel (42) one end is connected to injection hole (41),
The other end penetrates through solid plate (3) and fixed mold core (32) is connected to forming cavity (5).
6. BMC die for reflector as described in claim 1, it is characterised in that: be equipped with flash pipeline in the moving template (2)
(9), the flash pipeline (9) is connected to control cavity (10), and the control cavity (10) passes through connecting pipe (11) and forming
Chamber (5) is connected, and mechanism for opening/closing (12) setting is in control cavity (10).
7. BMC die for reflector as claimed in claim 6, it is characterised in that: the mechanism for opening/closing (12) includes being located at control
Opening and closing cylinder (121) in cavity (10), opening and closing sliding block (122) and opening and closing cylinder (121) are drivingly connected, and open and close sliding block
(122) cross-sectional area is greater than the cross-sectional area of connecting pipe (11), and the opening and closing cylinder (121) can drive opening and closing sliding block
(122) it is slided along the direction of vertical base plate (1).
8. BMC die for reflector as claimed in claim 6, it is characterised in that: the axial line of the connecting pipe (11) at
The angle α of shape chamber (5) bottom surface is less than or equal to 15 degree.
9. BMC die for reflector as described in claim 1, it is characterised in that: between the bottom plate (1) and moving template (2) also
It is fixed at the holding fixture block (14) on bottom plate (1) equipped with ejecting mechanism (13), the holding fixture block (14) is symmetricly set on
It ejecting mechanism (13) two sides and fits with the side of ejecting mechanism (13), one end of the ejecting mechanism (13) is pressed on bottom plate
(1) on, the other end extends to forming cavity (5) bottom surface.
10. BMC die for reflector as claimed in claim 9, it is characterised in that: ejecting mechanism (13) includes solid with bottom plate (1)
Surely the fixed plate (131) connected, the liftout plate (132) and knock-pin (133) that are pressed on fixed plate (131), the knock-pin
(133) one end is fixedly connected on liftout plate (132), and the other end extends to forming cavity (5) bottom surface, fixed plate (131) and ejection
The side of plate (132) is bonded with holding fixture block (14) and liftout plate (132) opposite can keep fixture block (14) along vertical base plate (1)
Direction sliding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820805600.9U CN208576135U (en) | 2018-05-28 | 2018-05-28 | BMC die for reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820805600.9U CN208576135U (en) | 2018-05-28 | 2018-05-28 | BMC die for reflector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208576135U true CN208576135U (en) | 2019-03-05 |
Family
ID=65506635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820805600.9U Expired - Fee Related CN208576135U (en) | 2018-05-28 | 2018-05-28 | BMC die for reflector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208576135U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341139A (en) * | 2019-07-11 | 2019-10-18 | 上海康培企塑料有限公司 | A kind of injection moulding apparatus being molded using vacuum method |
| CN112549458A (en) * | 2019-09-10 | 2021-03-26 | 深圳兴精科塑胶模具有限公司 | Oil tank oil filler hole apron vacuum injection mold |
| CN115139462A (en) * | 2022-05-26 | 2022-10-04 | 东风柳州汽车有限公司 | Reaction injection molding die and preparation method of reaction injection molding product |
| CN117021480A (en) * | 2023-06-26 | 2023-11-10 | 中山市百亚塑料制品有限公司 | Injection molding device for plastic injection molding |
-
2018
- 2018-05-28 CN CN201820805600.9U patent/CN208576135U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341139A (en) * | 2019-07-11 | 2019-10-18 | 上海康培企塑料有限公司 | A kind of injection moulding apparatus being molded using vacuum method |
| CN112549458A (en) * | 2019-09-10 | 2021-03-26 | 深圳兴精科塑胶模具有限公司 | Oil tank oil filler hole apron vacuum injection mold |
| CN115139462A (en) * | 2022-05-26 | 2022-10-04 | 东风柳州汽车有限公司 | Reaction injection molding die and preparation method of reaction injection molding product |
| CN115139462B (en) * | 2022-05-26 | 2023-12-15 | 东风柳州汽车有限公司 | Reaction injection molding die and preparation method of reaction injection molding product |
| CN117021480A (en) * | 2023-06-26 | 2023-11-10 | 中山市百亚塑料制品有限公司 | Injection molding device for plastic injection molding |
| CN117021480B (en) * | 2023-06-26 | 2024-04-05 | 广东壳多多塑胶制品有限公司 | Injection molding device for plastic injection molding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: BMC reflective bowl mold Effective date of registration: 20221206 Granted publication date: 20190305 Pledgee: Bank of Ningbo Co.,Ltd. Taizhou Branch Pledgor: ZHEJIANG DASHENG MOULD Co.,Ltd. Registration number: Y2022330003510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190305 |