CN205572921U - SMC injection molding's forming die - Google Patents
SMC injection molding's forming die Download PDFInfo
- Publication number
- CN205572921U CN205572921U CN201620376095.1U CN201620376095U CN205572921U CN 205572921 U CN205572921 U CN 205572921U CN 201620376095 U CN201620376095 U CN 201620376095U CN 205572921 U CN205572921 U CN 205572921U
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- Prior art keywords
- injection
- smc
- mould
- lower mold
- seat
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Abstract
The utility model discloses a SMC injection molding's forming die, including last membrane module, down membrane module and connecting go up the membrane module and the guiding mechanism of membrane module down, go up the die cavity that forms the SMC goods behind membrane module and the membrane module compound die down, the die cavity be a mould scene 2 to through the runner intercommunication between two die cavitys, be equipped with injection device in the lower membrane module between two die cavitys, injection device's discharge gate and runner intercommunication, be equipped with in the lower membrane module of runner below and be used for sealing the material device with what the runner of discharge gate department sealed. After the structure, both artificial cost can be saved more than adopting, the molding cycle of goods can also be shortened greatly to improve production efficiency greatly.
Description
Technical field
This utility model relates to the technical field of mould, is especially the mould of a kind of SMC injection-molded item.
Background technology
SMC composite, is the one of fiberglass, and primary raw material is by GF (special yarn), MD (filler) and various helps
Agent forms.The SMC goods being made up of SMC material have the electrical insulation capability of excellence, mechanical performance, heat stability, resistance to
Chemical corrosion resistance, therefore its range of application is quite extensive, mainly has automobile motor cover, mud guard, pedal etc., and
These SMC goods produce typically by mould.The mould of traditional SMC injection-molded item is hot-die
Having, it includes dynamic model and cover half, is wherein provided with ejecting mechanism in dynamic model, during work, SMC sheet is put into hot pressing die,
SMC sheet is made to melt by electric-heating-wire-heating again, then curing molding after high pressure cools down, finally take out goods.Such as state
" SMC heat pressing and molding mold " patent of disclosed Publication No. CN101733891B on family intellectual property website, it includes
The die cavity formed after upper die and lower die and described upper die and lower die matched moulds, described die cavity is provided with the forming surface of shaped article,
Described upper mold or lower mold are provided with the heating system making described forming surface be heated evenly, and described heating system is evenly distributed on described
The molding position of upper die and lower die, described heating system is well, and well is by realizing operating temperature in series connection water.
But, the mould of above-mentioned this traditional SMC injection-molded item but with the following drawback that:
1) much adding hot well owing to having arranged in upper mold or lower mold, therefore, on the one hand the processing of mould is extremely difficult,
Increase production cost, on the other hand reduce the intensity of mould, cause the shortening in service life；
2) it addition, the process that cools and solidifies again after melting in mould of this SMC sheet, its molding cycle is longer, as attached
SMC goods shown in Fig. 1, its molding cycle is each substantially at about 3 minutes, therefore, reduces production efficiency.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of simple in construction, low cost, and can be greatly improved life
Produce the mould of the SMC injection-molded item of efficiency.
For solving above-mentioned technical problem, the mould of SMC injection-molded item that this utility model provides, including upper die component,
Lower mold assemblies and form SMC after connecting upper die component and the guiding mechanism of lower mold assemblies, upper die component and lower mold assemblies matched moulds
The die cavity of goods；Described die cavity is to pass through flow passage between a mould scene 2, and two die cavitys；Between two die cavitys
Injection device it is provided with, the discharging opening of injection device and flow passage in lower mold assemblies；It is provided with use in lower mold assemblies below runner
Yu Jiang
The envelope material device of the runner sealing of discharge outlet.
Described runner includes sprue and the shunting of two horizontal directions respectively leading to two die cavitys of a vertical direction
Road, two sub-runners connect with the upper end of sprue respectively, and the lower end of sprue connects with the discharging opening of injection device.
Described lower mold assemblies includes mold cores, lower mold fixed plate and injection seat, and sprue is positioned at the upper end of mold cores,
The lower end of mold cores is fixedly connected in lower mold fixed plate；Injection seat is positioned at mold cores, is provided with and main flow in injection seat
The injection flow passage that road communicates；The upper angled of described injection device is arranged in mold cores and lower mold fixed plate, and notes
Discharge tip in injection device is positioned at injection seat and communicates with injection flow passage simultaneously；The Upper vertical of described envelope material device is arranged
In mold cores and lower mold fixed plate, and the push rod upper end sealed in material device is slidably fitted in injection flow passage, breaks simultaneously
Open or connect the discharging of discharge tip.
Being provided with injection material set in described injection seat, injection material is locked and fits in injection seat, and injection material set upper end and master
Runner connects and communicates；The discharge tip of injection device is located on the sidewall of injection material set, and the upper end of push rod is slidably fitted in note
Shoot material in set.
Being provided with circumference position limiting structure between described injection material set and injection seat, this circumference position limiting structure includes alignment pin, and this is fixed
Position pin the most also injection material set and injection seat grafting.
Described injection device also includes barrel, injection head, melting material mechanism and pressing mechanism, and one end of injection head is connected to note
In penetrating seat and connecting with injection flow passage, the other end is connected with one end of barrel, the other end of barrel and melting material mechanism and pressuring machine
Structure connects.
Described injection device also includes cooling body, and this cooling body includes cooling cover, water inlet pipe and return pipe, cooling
Sleeve is socketed in outside the injection head of barrel and a part, and one end of water inlet pipe connects with the upper end of cooling cover, and the other end is with cold
But water source connection, return pipe is connected with the lower end of cooling cover.
Envelope material device also includes driving oil cylinder, material set bearing, the bottom that the upper end of described material set bearing and injection material overlap to push against,
Lower end is fixing with driving oil cylinder to be connected, and the push rod in envelope material device is positioned at material and overlaps bearing.
After using above structure, this utility model compared with prior art, has the advantage that
1) have employed the structure of a mould scene 2 due to this mould, make the production efficiency of SMC goods be doubled；Meanwhile,
In mould, it is additionally arranged injection device and envelope material device, makes SMC material inject in the die cavity of mould by the way of injection,
Both artificial cost can have been saved, moreover it is possible to being greatly shortened the molding cycle of goods, goods as shown in Figure 1, from existing
3 minutes of technology can shorten to 70 seconds, thus is greatly improved production efficiency；
2) simple and compact for structure in mould, does not has numerous to add hot well passage, thus simplifies the difficulty of processing of part,
Reduce cost further, also improve the structural strength of mould simultaneously；
3) being provided with cooling body on injection device, be because when starting material feeding in barrel, the temperature of material has about 150 DEG C,
So temperature of barrel also can raise, thus affects its life-span and serviceability, it is therefore desirable to cooling body is toward water flowing in barrel
Cool down；
4) setting of alignment pin, is to prevent from producing between injection material set and injection seat skidding, thus ensures discharge tip
Can connect all the time with the injection canal in injection seat more accurately；
5) push rod being slidably matched in injection material overlaps, after making injection complete, push rod can up eject, so can be discharging
Nozzle is blocked.
Accompanying drawing explanation
Fig. 1 is the design of part schematic diagram of SMC goods.
Fig. 2 be this utility model SMC injection-molded item mould in part-structure schematic diagram.
Fig. 3 is the structural representation of the mould of this utility model SMC injection-molded item.
Fig. 4 is the structure for amplifying schematic diagram in A portion in Fig. 3.
Wherein, 1, sprue；2, sub-runner；3, injection material set；4, injection seat；5, injection head；6, cooling cover；
7, material set bearing；8, oil cylinder is driven；9, mold cores；10, barrel；11, water inlet pipe；12, return pipe；13, go out
Material nozzle；14, injection flow passage；15, push rod；16, lower mold fixed plate；17, alignment pin.
Detailed description of the invention
With detailed description of the invention, this utility model is described in more detail below in conjunction with the accompanying drawings.
From the structural representation of the mould of this utility model SMC injection-molded item shown in Fig. 1～Fig. 4, it includes
Upper die component, lower mold assemblies and connection upper die component and the guiding mechanism of lower mold assemblies, upper die component and lower mold assemblies matched moulds
The die cavity of rear formation SMC goods.Described die cavity is to pass through flow passage between a mould scene 2, and two die cavitys.Two
Injection device it is provided with, the discharging opening of injection device and flow passage in lower mold assemblies between individual die cavity.Lower mold below runner
The envelope material device for being sealed by the runner of discharge outlet it is provided with in assembly.
Described runner includes sprue 1 and the shunting of two horizontal directions respectively leading to two die cavitys of a vertical direction
Road 2, two sub-runners 2 upper end with sprue 1 respectively connects, and the discharging opening of the lower end of sprue 1 and injection device is even
Logical.
Described lower mold assemblies includes mold cores 9, lower mold fixed plate 16 and injection seat 4, and sprue 1 is positioned at mold cores
In the upper end of 9, the lower end of mold cores 9 is fixedly connected in lower mold fixed plate 16.Injection seat 4 is positioned at mold cores 9,
The injection flow passage 14 communicated with sprue 1 it is provided with in injection seat 4.The upper angled of described injection device is arranged at mould type
In core 9 and lower mold fixed plate 16, and the discharge tip 13 in injection device is positioned at injection seat 4 simultaneously and injection flow passage
14 communicate.The Upper vertical of described envelope material device is arranged in mold cores 9 and lower mold fixed plate 16, and seals material dress
Push rod 15 upper end put is slidably fitted in injection flow passage 14, simultaneously switches off or connect the discharging of discharge tip 13.
Being provided with injection material set 3 in described injection seat 4, injection material overlaps 3 close-fittings in injection seat 4, and injection material set 3
Upper end be connected with sprue 1 and communicate.The discharge tip 13 of injection device is located on the sidewall of injection material set 3, push rod
The upper end of 15 is slidably fitted in injection material set 3.
Being provided with circumference position limiting structure between described injection material set 3 and injection seat 4, this circumference position limiting structure includes alignment pin 17,
This alignment pin 17 the most also injection material set 3 and injection seat 4 grafting.
Described injection device also includes barrel 10, injection head 5, melting material mechanism and pressing mechanism, and one end of injection head 5 is even
In being connected on injection seat 4 and connecting with injection flow passage 14, the other end is connected with one end of barrel 10, the other end of barrel 10
It is connected with melting material mechanism and pressing mechanism.
Described injection device also includes cooling body, and this cooling body includes cooling cover 6, water inlet pipe 11 and return pipe 12,
Cooling cover 6 is socketed in outside the injection head 5 of barrel 10 and a part, one end of water inlet pipe 11 and the upper end of cooling cover 6
Connection, the other end connects with cooling water source, and return pipe 12 is connected with the lower end of cooling cover 6.
Envelope material device also includes driving oil cylinder 8, material set bearing 7, the upper end of described material set bearing 7 and injection material set 3
Bottom pushes against, and lower end is fixing with driving oil cylinder 8 to be connected, and the push rod 15 in envelope material device is positioned at material and overlaps bearing 7.
The work process of this utility model mould is as follows: mould, before starting injection, drives the first rollback of oil cylinder 8, drives
Push rod 15 also rollback；Now, SMC sheet is first melted by the heating arrangements of injection device, then will be melted by pressing mechanism
The SMC material of state injects in barrel 10, passes sequentially through the injection canal in injection head 5, injection seat 4, discharging spray
Enter the injection flow passage 14 in injection material set 3 after mouth 13, then enter two from two sub-runners 2 respectively after arriving sprue 1
Individual die cavity；After the material injection fillers in die cavity is complete, drive oil cylinder 8 to start to eject, drive push rod 15 up to eject,
Until sealing discharge tip 13, thus can give closure the tapping channel of material, completing shot process.
The above, be only the most feasible enforcement example of this utility model, it is impossible to the most i.e. limit to right of the present utility model
Scope, for those skilled in the art, all utilization the technical solution of the utility model and technology design make its
He should belong within this utility model scope of the claims in various corresponding changes.
Claims (8)
1. a mould for SMC injection-molded item, including upper die component, lower mold assemblies and connect upper die component and under
The die cavity of SMC goods is formed after the guiding mechanism of membrane module, upper die component and lower mold assemblies matched moulds；It is characterized in that: institute
The die cavity stated is to pass through flow passage between a mould scene 2, and two die cavitys；It is provided with in lower mold assemblies between two die cavitys
Injection device, the discharging opening of injection device and flow passage；It is provided with for by discharge outlet in lower mold assemblies below runner
The envelope material device of runner sealing.
The mould of SMC injection-molded item the most according to claim 1, it is characterised in that: described runner includes
The sprue (1) of one vertical direction and the sub-runner (2) of two horizontal directions respectively leading to two die cavitys, two points
Runner (2) upper end with sprue (1) respectively connects, and the lower end of sprue (1) connects with the discharging opening of injection device.
The mould of SMC injection-molded item the most according to claim 2, it is characterised in that: described lower mold assemblies
Including mold cores (9), lower mold fixed plate (16) and injection seat (4), sprue (1) is positioned at mold cores (9)
In upper end, the lower end of mold cores (9) is fixedly connected in lower mold fixed plate (16)；Injection seat (4) is positioned at mould type
In core (9), in injection seat (4), it is provided with the injection flow passage (14) communicated with sprue (1)；Described injection device
Upper angled is arranged in mold cores (9) and lower mold fixed plate (16), and the discharge tip (13) in injection device
It is positioned at injection seat (4) to communicate with injection flow passage (14) simultaneously；The Upper vertical of described envelope material device is arranged at mould
In core (9) and lower mold fixed plate (16), and push rod (15) upper end sealed in material device is slidably fitted in injected current
In road (14), simultaneously switch off or connect the discharging of discharge tip (13).
The mould of SMC injection-molded item the most according to claim 3, it is characterised in that: described injection seat (4)
Inside being provided with injection material set (3), injection material set (3) close-fitting is in injection seat (4), and the upper end of injection material set (3)
It is connected with sprue (1) and communicates；The discharge tip (13) of injection device is located on the sidewall of injection material set (3), top
The upper end of bar (15) is slidably fitted in injection material set (3).
The mould of SMC injection-molded item the most according to claim 4, it is characterised in that: described injection material set
(3) and being provided with circumference position limiting structure between injection seat (4), this circumference position limiting structure includes alignment pin (17), this location
Pin (17) the most also injection material set (3) and injection seat (4) grafting.
The mould of SMC injection-molded item the most according to claim 3, it is characterised in that: described injection device
Also including barrel (10), injection head (5), melting material mechanism and pressing mechanism, one end of injection head (5) is connected to injection seat
(4) in and connecting with injection flow passage (14), the other end is connected with the one end of barrel (10), another of barrel (10)
End is connected with melting material mechanism and pressing mechanism.
The mould of SMC injection-molded item the most according to claim 6, it is characterised in that: described injection device
Also including cooling body, this cooling body includes cooling cover (6), water inlet pipe (11) and return pipe (12), cooling cover
(6) injection head (5) of barrel (10) and a part it is socketed in outward, one end of water inlet pipe (11) and cooling cover (6)
Upper end connection, the other end connects with cooling water source, and return pipe (12) is connected with the lower end of cooling cover (6).
The mould of SMC injection-molded item the most according to claim 4, it is characterised in that: envelope material device also includes
Oil cylinder (8), material set bearing (7), the described upper end of material set bearing (7) is driven to push against with the bottom of injection material set (3),
Lower end is fixing with driving oil cylinder (8) to be connected, and the push rod (15) in envelope material device is positioned at material and overlaps bearing (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620376095.1U CN205572921U (en) | 2016-04-27 | 2016-04-27 | SMC injection molding's forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620376095.1U CN205572921U (en) | 2016-04-27 | 2016-04-27 | SMC injection molding's forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205572921U true CN205572921U (en) | 2016-09-14 |
Family
ID=56858078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620376095.1U Withdrawn - After Issue CN205572921U (en) | 2016-04-27 | 2016-04-27 | SMC injection molding's forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205572921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729733A (en) * | 2016-04-27 | 2016-07-06 | 宁波市益普乐模塑有限公司 | Forming mold for SMC (Sheet Molding Compound) injection products |
-
2016
- 2016-04-27 CN CN201620376095.1U patent/CN205572921U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729733A (en) * | 2016-04-27 | 2016-07-06 | 宁波市益普乐模塑有限公司 | Forming mold for SMC (Sheet Molding Compound) injection products |
| CN105729733B (en) * | 2016-04-27 | 2018-08-14 | 宁波市益普乐模塑有限公司 | The molding die of SMC products |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160914 Effective date of abandoning: 20180814 |