CN203818464U - Injection mold - Google Patents
Injection mold Download PDFInfo
- Publication number
- CN203818464U CN203818464U CN201420215701.2U CN201420215701U CN203818464U CN 203818464 U CN203818464 U CN 203818464U CN 201420215701 U CN201420215701 U CN 201420215701U CN 203818464 U CN203818464 U CN 203818464U
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- China
- Prior art keywords
- dynamic model
- line position
- cover half
- cooling
- model line
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- 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 - Lifetime
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- 238000002347 injection Methods 0.000 title abstract 5
- 239000007924 injection Substances 0.000 title abstract 5
- 238000001816 cooling Methods 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000004033 plastic Substances 0.000 claims abstract description 12
- 229920003023 plastic Polymers 0.000 claims abstract description 12
- 238000000465 moulding Methods 0.000 claims description 47
- 239000007787 solid Substances 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 11
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection mold which is used for forming an upper shell of an automobile engine plastic gas inlet manifold branch. The injection mold comprises a fixed die, a movable die, a hot runner system, a cooling system and a demolding mechanism, wherein the fixed die comprises a fixed template and a hot runner plate; the movable die comprises a movable template; the injection mold further comprises a forming mechanism for forming a cavity for forming the upper shell when the movable die and the fixed die are buckled; the forming mechanism comprises a fixed die core embedded into the fixed template, a movable die core embedded into the movable template, and at least one fixed die core insert; the cooling system comprises a first cooling channel for cooling the fixed die and a second cooling channel for cooling the demolding mechanism; the hot runner plate forms a hot runner of the hot runner system; the hot runner is communicated with the cavity. The injection mold disclosed by the utility model can successfully perform injection molding processing on the upper shell of the gas inlet manifold branch, and is short in cooling time, high in forming precision and high in production efficiency.
Description
Technical field
The utility model belongs to automobile die field, in particular to a kind of injecting molding die for plastic air inlet manifold for automobile engine.
Background technology
Automotive light weight technology has become the developing direction of automobile industry, along with the application of functional plastic in automobile engine obtained breakthrough progress, increasing engine components start to adopt plastic material to make, and have especially become the inexorable trend of automobile engine by plastic air intake manifold substituted metal inlet manifold.
Inlet manifold is the most important parts of engine aspirating system, and gas handling system is determining intake efficiency and each cylinder inflation uniformity of engine, and overall performance is had to very large impact.Inlet manifold is fixed in the cylinder head of engine, is complex-shaped hollow product, bears heat and vibration that head combustion chamber fuel combustion is transmitted.Traditional inlet manifold is foundry goods, most inlet manifold is that aluminum alloy materials is made, due to admission manifold branch structure complexity, generally all adopt metal pattern sand casting, its rough surface, inflation resistance large, quality is large, to alleviate quality and reduce oil consumption, improve engine performance, reduce discharge and the requirement such as enhance productivity in order to reach, increasing automaker takes plastic air intake manifold to replace traditional casting alloy inlet manifold.
Inlet manifold is generally made up of two and above housing.As shown in Figure 1, wherein, the structure of upper shell 01 is comparatively complicated, and not only the size of product is larger, and has more reinforcement 014 and back-off 011, back-off 012, and the inner wall surface 013 of upper shell requires fairing, can not be jagged; Upper shell 01 need to weld with middle shell or lower house, and fitted position required precision is also very high.In addition, because its heating-up temperature is higher, therefore it is cooling also needing to accelerate.
Utility model content
The technical problems to be solved in the utility model is, for the difficult problem in above-mentioned technology, provides a kind of injecting molding die of successfully formed automobile plastics air inlet manifold branch of engine.
The utility model solves the technical scheme that its technical problem adopts, a kind of injecting molding die is provided, for the upper shell of formed automobile plastics air inlet manifold branch of engine, comprise cover half, dynamic model, TOP-TIP, cooling system and mould emptier, described cover half comprises solid plate, hot runner manifold, and described dynamic model comprises moving platen;
Described injecting molding die also comprises the shaping mechanism for form the die cavity of upper shell described in moulding in the time that described dynamic model and described cover half are interlocked, described shaping mechanism comprises the cover half core rod being embedded on described solid plate, and is embedded in dynamic model core rod and at least one cover half core rod mold insert on described moving platen;
Described cooling system comprises for the first cooling duct of cooling described cover half and for the second cooling duct of cooling described mould emptier;
Described hot runner manifold forms the hot flow path of described TOP-TIP, and described hot flow path communicates with described die cavity.
According in injecting molding die described in the utility model, described mould emptier comprises:
Be fixed on cover half shovel and cover half Angle Pin on described solid plate;
Be fixed on dynamic model line position slider guide and dynamic model line position seat on described moving platen, described dynamic model line position seat forms and is slidably connected with described dynamic model line position slider guide;
The dynamic model line position range finder that is used for the sliding stroke of locating described dynamic model line position seat, described dynamic model line position range finder is fixed on described moving platen;
Described shaping mechanism also comprises dynamic model line position mold insert, and described dynamic model line position mold insert is fixed on described dynamic model line position slider guide.
According in injecting molding die described in the utility model, described TOP-TIP has a single-point hot nozzle.
According in injecting molding die described in the utility model, described TOP-TIP has the cast gate of a submarine.
According in injecting molding die described in the utility model, described cover half also comprises fixed clamping plate and cover half thermal insulation board, and described solid plate, described hot runner manifold, described fixed clamping plate and described cover half thermal insulation board are linked in sequence.
According in injecting molding die described in the utility model; described dynamic model also comprises retaining plate, ejects base plate, moving clamping plate and dynamic model thermal insulation board, described moving platen, described retaining plate, described in eject base plate, described moving clamping plate and described dynamic model thermal insulation board and be linked in sequence.
The beneficial effect of the injecting molding die for inlet manifold of the present utility model is: because the closed time limit of cover half and dynamic model is shaped as the die cavity of upper shell; TOP-TIP has the hot flow path that holds the melt plastic cement that flows into die cavity; cooling system is provided with for the first cooling duct of die cavity with for the second cooling duct of mould emptier; so can successfully carry out injection moulding processing to inlet manifold upper shell, cool time is short, formed precision is high, production efficiency is high.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the perspective view of the upper shell of a kind of plastic air inlet manifold for automobile engine of the prior art.
Fig. 2 is the perspective view of the part-structure of the injecting molding die of a preferred embodiment.
Fig. 3 is the upward view of part-structure shown in Fig. 2.
Fig. 4 is that part-structure shown in Fig. 2, Fig. 3 is along the cutaway view of the A-A in Fig. 3.
Fig. 5 is the schematic diagram exploding by diagram dotted line direction after part-structure shown in Fig. 2-4 and moving platen combination.
Fig. 6 is the perspective view of the TOP-TIP of the injecting molding die of a preferred embodiment.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
For sake of convenience, hereinafter alleged " on ", D score " left side ", " right side " etc. are consistent with the upper and lower, left and right direction of accompanying drawing itself while representing orientation, direction, but the utility model are not played to restriction effect.
As shown in Figure 2, be the perspective view of the part-structure of the injecting molding die of a preferred embodiment.And in conjunction with consulting Fig. 3, Fig. 3 is the upward view of part-structure shown in Fig. 2.The injecting molding die of the present embodiment comprises cover half, dynamic model, shaping mechanism and mould emptier 5.Wherein, dynamic model comprises moving platen 20, on moving platen 20, be embedded with dynamic model core rod 421 and lay respectively at dynamic model core rod mold insert 422, the dynamic model core rod mold insert 423 at dynamic model core rod 421 two ends, dynamic model core rod 421 is for the inner wall surface 013 of moulding upper shell 01, and dynamic model core rod mold insert 422, dynamic model core rod mold insert 423 are respectively used to half opening at the two ends of moulding upper shell 01.Dynamic model core rod 421, dynamic model core rod mold insert 422 and dynamic model core rod mold insert 423 are connected on moving platen 20 removably, as are connected by screw.By dynamic model core rod mold insert 422 is set, dynamic model core rod mold insert 423 can reduce Mould Machining difficulty and be convenient to mould follow-up maintenance.
Moving platen with back-off 011 and back-off 012 corresponding section, be also respectively arranged with dynamic model line position mold insert 432, dynamic model line position mold insert 431, dynamic model line position mold insert 432 is used for moulding back-off 011, dynamic model line position mold insert 431 is used for moulding back-off 012.The same position on upper shell 01 length direction due to back-off in the present embodiment 011 and back-off 012, therefore dynamic model line position mold insert 432, dynamic model line position mold insert 431 are arranged at respectively the both sides of dynamic model core rod 421.On moving platen 20, offer multiple Cooling Holes 61A.
Fig. 4 is that part-structure shown in Fig. 2, Fig. 3 is along the cutaway view of the A-A in Fig. 3.See also Fig. 2, Fig. 3, Fig. 4.Mould emptier 5 comprises cover half shovel 51, cover half Angle Pin 52, dynamic model line position slider guide 53A, dynamic model line position slider guide 53B, dynamic model line position seat 54 and dynamic model line position range finder 55.Wherein, the upper end of cover half Angle Pin 52 and cover half shovel 51 are fixed on solid plate, dynamic model line position seat 54 is slidably connected on moving platen 20, and dynamic model line position slider guide 53A, dynamic model line position slider guide 53B and dynamic model line position range finder 55 are fixedly connected on moving platen 20.The length direction of dynamic model line position slider guide 53A and dynamic model line position slider guide 53B is consistent with the horizontal direction in figure.Insert in the cylindrical groove 54S offering in dynamic model line position seat 54 lower end of cover half Angle Pin 52.The length direction of cover half Angle Pin 52 becomes certain oblique angle with the length direction of dynamic model line position slider guide 53A and dynamic model line position slider guide 53B.A T shape step is extended respectively in dynamic model line position seat 54 both sides, and T shape step has a step surface upward, and this step surface can limit the 54 along continuous straight runs motions of dynamic model line position seat.So dynamic model line position seat 54, can only side-to-side movement under the double constraints of cylindrical groove 54S and dynamic model line position slider guide 53A and dynamic model line position slider guide 53B.In the time that moving platen 20 drives dynamic model line position seat 54 and dynamic model line position range finder 55 to move upward to a certain position (die joint), dynamic model line position seat 54 is to left movement.Because dynamic model line position mold insert 431 is fixedly connected with dynamic model line position seat 54, therefore dynamic model line position seat 54 drives dynamic model line position mold insert 431 to left movement simultaneously.In the time that dynamic model line position mold insert 431 moves to a certain position left, due to the restriction of dynamic model line position range finder 55, it is stopped to left movement in this position; The motion of dynamic model line position mold insert 432 is similar with it.
When moulding one upper shell 01 is when complete, dynamic model line position seat 54 moves downward under dynamic model 20 drives, and resets under the effect of spring.
Now, dynamic model core rod 421, dynamic model core rod mold insert 422, dynamic model core rod mold insert 423, dynamic model line position mold insert 431 and dynamic model line position mold insert 432 are formed for the outer wall surface of moulding upper shell 01 after combining together.Above-mentioned demolding structure is the back-off part of moulding upper shell easily, and by the position-limiting action of dynamic model line position range finder, can accurately control the movement travel of mould emptier in folding mold process, and formed precision is high.
Referring to Fig. 5, is the schematic diagram exploding by diagram dotted line direction after part-structure shown in Fig. 2-4 and moving platen combination.Injecting molding die also comprises moving clamping plate 21, and moving platen 20 is fixed on moving clamping plate 21.Wherein, on moving clamping plate 21, be provided with the Cooling Holes 61B of connection corresponding to Cooling Holes 61A.On dynamic model line position mold insert 432 and the dynamic model line position seat 54 that is attached thereto, be respectively arranged with the Cooling Holes 62B that multiple Cooling Holes 62A should be communicated with in contrast.
Referring to Fig. 6, is the perspective view of the TOP-TIP of the injecting molding die of a preferred embodiment.In the present embodiment, injecting molding die also comprises TOP-TIP 3.Cover half comprises solid plate (not shown) and hot runner manifold (not shown).A cover half core rod 411 is embedded in this solid plate.Cover half core rod 411 has a forming surface 411A, for the inner wall surface 013 of moulding upper shell 01.In other some embodiment, shaping mechanism also can comprise the cover half core rod mold insert being embedded in solid plate.
Hot runner manifold forms hot flow path 30 as shown in the figure.Hot flow path 30 has a single-point hot nozzle 31, hot nozzle 31 is for injecting moulding material hot flow path 30, then be incubated or heat with a temperature control assembly 32, then by imbedding in the die cavity of cast gate 32 injection moulding upper shells 01 of the submarine in cover half core rod 411.Cast gate 32 is connected with the die cavity of upper shell 01.By the cast gate 32 of submarine, can make die sinking time, the remaining breaking releasing automatically of the moulding at cast gate place, can not cause forming defect.Hot flow path 30, temperature control assembly 32 form TOP-TIP 3.
These dynamic model core rods 421, dynamic model core rod mold insert 422, dynamic model core rod mold insert 423, dynamic model line position mold insert 431, dynamic model line position mold insert 432 and cover half core rod 411, cover half core rod mold insert form shaping mechanism together, it can, in the time that dynamic model and cover half are interlocked, form the die cavity of moulding upper shell 01.
On cover half core rod 411, be provided with Cooling Holes 61C, on cover half core rod 411, be provided with the Cooling Holes (not shown) with the corresponding connection of Cooling Holes 61C.The Cooling Holes arranging on these Cooling Holes 61A, 61B, 61C and cover half core rod 411 forms the first cooling duct together, and it is connected with cooling water, is mainly used in cooling main moulding section (except the upper shell of back-off part).Cooling Holes 62A and Cooling Holes 62B form the second cooling duct together, and it is connected with cooling water, are mainly used in the back-off part of cooling upper shell.By the first cooling duct and the second cooling duct are set, the good cooling results while making moulding, cool time is short, has greatly improved shaping efficiency and Forming Quality.The cooling system of the first cooling duct and the second cooling duct composition injecting molding die.
In other some embodiment, cover half also comprises fixed clamping plate and cover half thermal insulation board, and solid plate, hot runner manifold, fixed clamping plate and cover half thermal insulation board are linked in sequence.In other some embodiment, dynamic model also comprises retaining plate, ejects base plate and dynamic model thermal insulation board, moving platen 20, retaining plate, ejects base plate, moving clamping plate 21 and dynamic model thermal insulation board and is linked in sequence.Wherein, retaining plate is fixed on thimble to eject on base plate, ejects base plate and drives thimble to move upward, to eject the complete upper shell of moulding in the time of die sinking by driving.
In the utility model, the material of the shaping mechanism of injecting molding die is generally selected through heat treated 1.2344 type high-quality mould steel of HRC46-50 etc.; Other parts of injecting molding die can be adds the made plastic parts of 30%-45% glass fibre (GF) engineering material in polyamide 6 (PA6).Because molding structure is taked high-quality mould steel and heat treated requirement, can ensure the inwall dimensional accuracy of upper shell.
In sum, in readily removable injecting molding die of the present utility model, injecting molding die can be subject to nominal force and directional rotating, and it is extremely convenient that it is opened for wall form, greatly reduces engineering time and cost, and can automatically reset.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. an injecting molding die, for the upper shell of formed automobile plastics air inlet manifold branch of engine, comprise cover half, dynamic model, TOP-TIP, cooling system and mould emptier, it is characterized in that, described cover half comprises solid plate, hot runner manifold, and described dynamic model comprises moving platen;
Described injecting molding die also comprises the shaping mechanism for form the die cavity of upper shell described in moulding in the time that described dynamic model and described cover half are interlocked, described shaping mechanism comprises the cover half core rod being embedded on described solid plate, and is embedded in dynamic model core rod and at least one cover half core rod mold insert on described moving platen;
Described cooling system comprises for the first cooling duct of cooling described cover half and for the second cooling duct of cooling described mould emptier;
Described hot runner manifold forms the hot flow path of described TOP-TIP, and described hot flow path communicates with described die cavity.
2. injecting molding die as claimed in claim 1, is characterized in that, described mould emptier comprises:
Be fixed on cover half shovel and cover half Angle Pin on described solid plate;
Be fixed on dynamic model line position slider guide and dynamic model line position seat on described moving platen, described dynamic model line position seat forms and is slidably connected with described dynamic model line position slider guide;
The dynamic model line position range finder that is used for the sliding stroke of locating described dynamic model line position seat, described dynamic model line position range finder is fixed on described moving platen;
Described shaping mechanism also comprises dynamic model line position mold insert, and described dynamic model line position mold insert is fixed on described dynamic model line position slider guide.
3. injecting molding die as claimed in claim 1, is characterized in that, described TOP-TIP has a single-point hot nozzle.
4. injecting molding die as claimed in claim 1, is characterized in that, described TOP-TIP has the cast gate of a submarine.
5. injecting molding die as claimed in claim 1, is characterized in that, described cover half also comprises fixed clamping plate and cover half thermal insulation board, and described solid plate, described hot runner manifold, described fixed clamping plate and described cover half thermal insulation board are connected in turn.
6. injecting molding die as claimed in claim 1; it is characterized in that; described dynamic model also comprises retaining plate, ejects base plate, moving clamping plate and dynamic model thermal insulation board, described moving platen, described retaining plate, described in eject base plate, described moving clamping plate and described dynamic model thermal insulation board and be connected in turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215701.2U CN203818464U (en) | 2014-04-29 | 2014-04-29 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215701.2U CN203818464U (en) | 2014-04-29 | 2014-04-29 | Injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203818464U true CN203818464U (en) | 2014-09-10 |
Family
ID=51474006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420215701.2U Expired - Lifetime CN203818464U (en) | 2014-04-29 | 2014-04-29 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203818464U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538695A (en) * | 2017-10-14 | 2018-01-05 | 福州大学 | Plastic beveled wheel mould demolding structure and its method of work |
| CN108054889A (en) * | 2017-11-29 | 2018-05-18 | 南通超达装备股份有限公司 | A kind of motor casing processing technology with water cooling |
| CN111186074A (en) * | 2020-01-13 | 2020-05-22 | 宁波方正汽车模具股份有限公司 | Positioning mechanism of injection mold for automotive composite interior trim part |
-
2014
- 2014-04-29 CN CN201420215701.2U patent/CN203818464U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538695A (en) * | 2017-10-14 | 2018-01-05 | 福州大学 | Plastic beveled wheel mould demolding structure and its method of work |
| CN108054889A (en) * | 2017-11-29 | 2018-05-18 | 南通超达装备股份有限公司 | A kind of motor casing processing technology with water cooling |
| CN111186074A (en) * | 2020-01-13 | 2020-05-22 | 宁波方正汽车模具股份有限公司 | Positioning mechanism of injection mold for automotive composite interior trim part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |