CN109332642A - A kind of automobile engine protection plate mold - Google Patents
A kind of automobile engine protection plate mold Download PDFInfo
- Publication number
- CN109332642A CN109332642A CN201811209014.9A CN201811209014A CN109332642A CN 109332642 A CN109332642 A CN 109332642A CN 201811209014 A CN201811209014 A CN 201811209014A CN 109332642 A CN109332642 A CN 109332642A
- Authority
- CN
- China
- Prior art keywords
- lower die
- die holder
- attachment base
- protection plate
- automobile engine
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2272—Sprue channels
Abstract
The invention discloses a kind of automobile engine protection plate molds, including lower die, backplate forming bin, lower die holder, dowel hole, buckle, upper die holder, upper mold, positioning pin, groove, formed punch attachment base, bore of the punch, attachment base groove, spreader, flow-dividing bin, silicon nitride ceramics and tap hole, the inner cavity of the lower die is integrally formed and is connected with backplate forming bin, the bottom of the lower die and the top of lower die holder are welded, the top two sides of the lower die holder offer dowel hole, the intracavity bottom of the dowel hole is welded with buckle, the bottom of the upper die holder and the top of positioning pin are welded, this kind of automobile engine protection plate mold, it is utilized by the combination of accessory, part is enhanced, and it is arranged by way of composable disassembly, increasing in die casting reduces accessory damage probability to the resistivity of melt, also accessory is significantly increased more Throw-over degree, improves work efficiency, and structure is simple, is easily achieved.
Description
Technical field
The present invention relates to die casting technical field, specially a kind of automobile engine protection plate mold.
Background technique
Automobile engine is that the device of power is provided for automobile, is the heart of automobile, decides dynamic property, the economy of automobile
Property, stability and the feature of environmental protection, wherein engine protecting is a kind of accessory protected to engine, and mostly uses die casting
Mode made, die casting is the one kind for casting liquid forging, is to force molten metal being pressed into shape using high pressure
A kind of microcast process in complicated metal mold.
Existing engine protecting mold, can cooperate engine protecting to be produced and used, but in actual use, it is high
It is very fast that pressure injection penetrates the speed for leading to fill mold, in this way it is any it is partially solidified before molten metal full entire mould just can be filled
Tool, but in cooperation spreader in use, under the action of repeatedly by chilling and shock heating, the melt of impact easily leads to spreader
There is the phenomenon that corrode in inside, gradually can be in the weakness crack initiation of spreader, in addition mechanical stress repeatedly all makes crackle
Accelerate extension, the punch-head assembly of existing integral type installation, all extremely cumbersome on there is the member replacing after corrode, labor
Momentum is big, and the time is long, and two people is at least needed to cooperate, and reduces working efficiency, these are all physical presence and are badly in need of solving
The problem of.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of automobile engine protection plate mold
High-pressure injection causes the speed for filling mold very fast, in this way it is any it is partially solidified before molten metal just can be filled it is full entire
Mold, but in cooperation spreader in use, under the action of repeatedly by chilling and shock heating, the melt of impact easily leads to spreader
Inside there is the phenomenon that corrode, gradually can be in the weakness crack initiation of spreader, in addition mechanical stress repeatedly all makes to split
Line accelerates extension, and the punch-head assembly of existing integral type installation is all extremely cumbersome on there is the member replacing after corrode,
The amount of labour is big, and the time is long, and two people is at least needed to cooperate, and reduces working efficiency.
To achieve the above object, the invention provides the following technical scheme: a kind of automobile engine protection plate mold, including under
Mould, backplate forming bin, lower die holder, dowel hole, buckle, upper die holder, upper mold, positioning pin, groove, formed punch attachment base, bore of the punch,
Attachment base groove, spreader, flow-dividing bin, silicon nitride ceramics and tap hole, the inner cavity of the lower die, which is integrally formed, is connected with backplate
Forming bin, the bottom of the lower die and the top of lower die holder are welded, and the top two sides of the lower die holder offer dowel hole, institute
The intracavity bottom for stating dowel hole is welded with buckle, and the bottom of the upper die holder and the top of positioning pin are welded, the positioning
The bottom of pin is integrally formed and is connected with groove, and formed punch attachment base, the formed punch attachment base are welded at the top of the upper die holder
Top and bottom offer bore of the punch and attachment base groove, the spreader passes through pin thread on the upside of outer circumferential walls and connection
The negative thread of seat groove inner wall rotates connection, and the inner cavity of the spreader, which is integrally formed, is connected with flow-dividing bin, the flow-dividing bin
Inner cavity is socketed with silicon nitride ceramics, and the intracavity bottom of the flow-dividing bin offers tap hole.
Preferably, the bottom of the lower die holder and the top of pedestal are welded.
Preferably, the silicon nitride ceramics with a thickness of 2cm.
Preferably, the depth of the groove and the height of buckle are consistent.
Preferably, the central point of the bore of the punch and the central point of tap hole are located on the same line.
Compared with prior art, it is utilized by the combination of accessory, forms the form setting of rotatable assembly and disassembly, also greatly
Increase member replacing speed, improve work efficiency, reduce manpower waste, automobile engine protection plate is produced die casting
In, it is most also easy to produce in the components of erosion damage by adding silicon nitride ceramics, cooperates tap hole in use, increasing in die casting
While to the resistivity of melt, reduce under the action of injection power, mold can make in the probability of most weakness crack initiation
It is improved with the service life.
Detailed description of the invention
Fig. 1 is front schematic view of the present invention；
Fig. 2 is expanded schematic diagram of the present invention；
Fig. 3 is punch-head assembly schematic diagram of the present invention；
Fig. 4 is punch-head assembly diagrammatic cross-section of the present invention.
In figure: 1- lower die, 2- backplate forming bin, 3- lower die holder, 4- dowel hole, 5- buckle, 6- pedestal, 7- upper die holder,
8- upper mold, 9- positioning pin, 10- groove, 11- formed punch attachment base, 12- bore of the punch, 13- attachment base groove, 14- spreader, 15- point
Flow storehouse, 16- silicon nitride ceramics, 17- tap hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the invention provides the following technical scheme: a kind of automobile engine protection plate mold, including lower die 1,
Backplate forming bin 2, lower die holder 3, dowel hole 4, buckle 5, upper die holder 7, upper mold 8, positioning pin 9, groove 10, formed punch attachment base
11, bore of the punch 12, attachment base groove 13, spreader 14, flow-dividing bin 15, silicon nitride ceramics 16 and tap hole 17, the lower die 1
Inner cavity, which is integrally formed, is connected with backplate forming bin 2, and the bottom of the lower die 1 and the top of lower die holder 3 are welded, the lower die holder 3
Top two sides offer dowel hole 4, the intracavity bottom of the dowel hole 4 is welded with buckle 5, the upper die holder 7
Bottom and the top of positioning pin 9 are welded, and the bottom of the positioning pin 9, which is integrally formed, is connected with groove 10, the upper die holder 7
Top is welded with formed punch attachment base 11, and the top and bottom of the formed punch attachment base 11 offer bore of the punch 12 and attachment base groove
13, the spreader 14 is rotated by the negative thread of pin thread and 13 inner wall of attachment base groove on the upside of outer circumferential walls to be connected, institute
The inner cavity for stating spreader 14, which is integrally formed, is connected with flow-dividing bin 15, and the inner cavity of the flow-dividing bin 15 is socketed with silicon nitride ceramics 16,
The intracavity bottom of the flow-dividing bin 15 offers tap hole 17.
The bottom of the lower die holder 3 and the top of pedestal 6 are welded, and such connection type increases the stability of lower die holder 3.
The silicon nitride ceramics 16 with a thickness of 2cm, 16 density of silicon nitride ceramics is small, itself has lubricity, and resistance to
Abrasion resists cooling thermal impact, is heated to 1000 DEG C or more, quick refrigeration sharply heats again, fragmentation will not occurs.
The depth of the groove 10 is consistent with the height of buckle 5, and such mode is convenient for the stabilization of connection.
The central point of the central point and tap hole 17 of the bore of the punch 12 is located on the same line, and such setting is convenient for
In die casting, fast guiding is carried out to melt, surface melt splashes.
Working principle: first checking the positioning pin 9 in upper mold 8, determines stable degree after shaking, checks lower die 1
In backplate forming bin 2 and dowel hole 4 in, if there are sundries, determine it is errorless after, moved down by positioning pin 9, with positioning pin
Buckle 5 in hole 4 is riveted, and after fixed completion, using the formed punch attachment base 11 at 7 top of upper die holder, carries out the pressure of melt
Casting forms the form setting of composable disassembly wherein the combination by accessory utilizes, available after spreader 14 damages
Negative thread in pin thread and attachment base groove 13 carries out rotation disassembly, and replacement speed is fast, the dismounting of entire surface, time saving province
Power while last silicon nitride ceramics 16 increases the resistivity in die casting to melt, reduces mould under the action of injection power
Tool can be improved in the probability of most weakness crack initiation, service life.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of automobile engine protection plate mold, including lower die (1), backplate forming bin (2), lower die holder (3), dowel hole (4),
Buckle (5), upper die holder (7), upper mold (8), positioning pin (9), groove (10), formed punch attachment base (11), bore of the punch (12), attachment base
Groove (13), spreader (14), flow-dividing bin (15), silicon nitride ceramics (16) and tap hole (17), it is characterised in that: the lower die
(1) inner cavity is integrally formed and is connected with backplate forming bin (2), and the bottom of the lower die (1) and the top of lower die holder (3) are welded,
The top two sides of the lower die holder (3) offer dowel hole (4), and the intracavity bottom of the dowel hole (4) is welded with card
It detains (5), the bottom of the upper die holder (7) and the top of positioning pin (9) are welded, and the bottom of the positioning pin (9) is integrally formed
It connects fluted (10), is welded with formed punch attachment base (11) at the top of the upper die holder (7), the top of the formed punch attachment base (11)
Portion and bottom offer bore of the punch (12) and attachment base groove (13), and the spreader (14) passes through the positive spiral shell on the upside of outer circumferential walls
The negative thread of line and attachment base groove (13) inner wall, which rotates, to be connected, and the inner cavity of the spreader (14), which is integrally formed, is connected with shunting
The inner cavity in storehouse (15), the flow-dividing bin (15) is socketed with silicon nitride ceramics (16), and the intracavity bottom of the flow-dividing bin (15) opens up
There are tap hole (17).
2. a kind of automobile engine protection plate mold according to claim 1, it is characterised in that: the bottom of the lower die holder (3)
It welds at the top of portion and pedestal (6).
3. a kind of automobile engine protection plate mold according to claim 1, it is characterised in that: the silicon nitride ceramics (16)
With a thickness of 2cm.
4. a kind of automobile engine protection plate mold according to claim 1, it is characterised in that: the depth of the groove (10)
It is consistent with the height of buckle (5).
5. a kind of automobile engine protection plate mold according to claim 1, it is characterised in that: in the bore of the punch (12)
Heart point and the central point of tap hole (17) are located on the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811209014.9A CN109332642A (en) | 2018-10-17 | 2018-10-17 | A kind of automobile engine protection plate mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811209014.9A CN109332642A (en) | 2018-10-17 | 2018-10-17 | A kind of automobile engine protection plate mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109332642A true CN109332642A (en) | 2019-02-15 |
Family
ID=65309096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811209014.9A Pending CN109332642A (en) | 2018-10-17 | 2018-10-17 | A kind of automobile engine protection plate mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109332642A (en) |
Citations (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003018236A1 (en) * | 2001-08-23 | 2003-03-06 | Commonwealth Scientific And Industrial Research Organisation | Improved magnesium alloy castings |
| EP1958755A1 (en) * | 2007-02-16 | 2008-08-20 | Demag Ergotech GmbH | Plate element |
| CN201376080Y (en) * | 2009-05-05 | 2010-01-06 | 中信戴卡轮毂制造股份有限公司 | Improved die pouring cup |
| CN202741711U (en) * | 2012-09-18 | 2013-02-20 | 天津中联精密铸造有限公司 | Pouring gate heat preservation sleeve of low pressure casting mould |
| CN203044860U (en) * | 2013-02-27 | 2013-07-10 | 宁波臻至机械模具有限公司 | Vacuum die-casting mold |
| CN203253901U (en) * | 2013-05-24 | 2013-10-30 | 天津利陶金属制品有限公司 | Novel hand-operated door shaft die-casting mold |
| DE102013105769A1 (en) * | 2013-06-05 | 2014-12-11 | Heck & Becker Gmbh & Co. Kg | Apparatus and method for die casting a crankcase |
| CN104368785A (en) * | 2014-11-25 | 2015-02-25 | 重庆戴卡捷力轮毂制造有限公司 | Sprue spreader of die-casting metal mould |
| CN104942263A (en) * | 2015-07-15 | 2015-09-30 | 昆山众异特机械工业有限公司 | Sprue spreader for die casting mold |
| CN204735702U (en) * | 2015-05-29 | 2015-11-04 | 重庆博奥镁铝金属制造有限公司 | Three board die casting die structures of large -scale magnesium alloy parts center multiple feed |
| CN205058557U (en) * | 2015-09-30 | 2016-03-02 | 四川南格尔生物科技有限公司 | Reposition of redundant personnel awl |
| JP2016117088A (en) * | 2014-12-22 | 2016-06-30 | 本田技研工業株式会社 | Die casting device |
| CN205904386U (en) * | 2016-07-23 | 2017-01-25 | 浙江今飞摩轮有限公司 | Split sprue spreader |
| CN206153535U (en) * | 2016-09-30 | 2017-05-10 | 东莞港星金属制品有限公司 | Metal pressure casting mould of utensil flow control and leak protection function |
| CN206153536U (en) * | 2016-09-30 | 2017-05-10 | 东莞港星金属制品有限公司 | Metal pressure casting mould of utensil accurate positioning function |
| CN206200104U (en) * | 2016-12-01 | 2017-05-31 | 四川长虹技佳精工有限公司 | The split type sprue bush structure of compression mod |
| CN206425523U (en) * | 2016-12-29 | 2017-08-22 | 无锡市灵通铸造有限公司 | A kind of casting die being easily stripped |
| CN107186196A (en) * | 2017-07-21 | 2017-09-22 | 中联精工（天津）有限公司 | A kind of new automobile part die casting |
| CN206588330U (en) * | 2017-02-21 | 2017-10-27 | 苏州工业职业技术学院 | A kind of die casting |
| CN107617676A (en) * | 2017-10-24 | 2018-01-23 | 惠州市百思德精密部件有限公司 | The fixation of the weak drift of abnormity and quick change mould structure |
| CN207026251U (en) * | 2017-07-27 | 2018-02-23 | 天津英创科技有限公司 | A kind of adjustable automobile parts diel |
| JP2018043283A (en) * | 2016-09-16 | 2018-03-22 | いすゞ自動車株式会社 | Sprue pin |
| CN107866542A (en) * | 2017-12-13 | 2018-04-03 | 余姚市宏硕模具制造有限公司 | A kind of novel metal die casting |
| CN207343588U (en) * | 2017-09-05 | 2018-05-11 | 王笑时 | A kind of raceway liner board mold |
| CN207563669U (en) * | 2017-12-07 | 2018-07-03 | 东莞市亨顺瑞精密模具有限公司 | A kind of novel tungsten steel mold |
| CN207787651U (en) * | 2018-01-16 | 2018-08-31 | 奥科精机（深圳）有限公司 | Die-casting local booster body with charging shunting function |
| CN108465799A (en) * | 2018-06-21 | 2018-08-31 | 湖北昊昌汽车零部件制造有限公司 | Die-casting mould |
| CN207914559U (en) * | 2017-12-19 | 2018-09-28 | 浙江华朔科技股份有限公司 | A kind of detachable spreader for die casting |
-
2018
- 2018-10-17 CN CN201811209014.9A patent/CN109332642A/en active Pending
Patent Citations (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003018236A1 (en) * | 2001-08-23 | 2003-03-06 | Commonwealth Scientific And Industrial Research Organisation | Improved magnesium alloy castings |
| EP1958755A1 (en) * | 2007-02-16 | 2008-08-20 | Demag Ergotech GmbH | Plate element |
| CN201376080Y (en) * | 2009-05-05 | 2010-01-06 | 中信戴卡轮毂制造股份有限公司 | Improved die pouring cup |
| CN202741711U (en) * | 2012-09-18 | 2013-02-20 | 天津中联精密铸造有限公司 | Pouring gate heat preservation sleeve of low pressure casting mould |
| CN203044860U (en) * | 2013-02-27 | 2013-07-10 | 宁波臻至机械模具有限公司 | Vacuum die-casting mold |
| CN203253901U (en) * | 2013-05-24 | 2013-10-30 | 天津利陶金属制品有限公司 | Novel hand-operated door shaft die-casting mold |
| DE102013105769A1 (en) * | 2013-06-05 | 2014-12-11 | Heck & Becker Gmbh & Co. Kg | Apparatus and method for die casting a crankcase |
| CN104368785A (en) * | 2014-11-25 | 2015-02-25 | 重庆戴卡捷力轮毂制造有限公司 | Sprue spreader of die-casting metal mould |
| JP2016117088A (en) * | 2014-12-22 | 2016-06-30 | 本田技研工業株式会社 | Die casting device |
| CN204735702U (en) * | 2015-05-29 | 2015-11-04 | 重庆博奥镁铝金属制造有限公司 | Three board die casting die structures of large -scale magnesium alloy parts center multiple feed |
| CN104942263A (en) * | 2015-07-15 | 2015-09-30 | 昆山众异特机械工业有限公司 | Sprue spreader for die casting mold |
| CN205058557U (en) * | 2015-09-30 | 2016-03-02 | 四川南格尔生物科技有限公司 | Reposition of redundant personnel awl |
| CN205904386U (en) * | 2016-07-23 | 2017-01-25 | 浙江今飞摩轮有限公司 | Split sprue spreader |
| JP2018043283A (en) * | 2016-09-16 | 2018-03-22 | いすゞ自動車株式会社 | Sprue pin |
| CN206153536U (en) * | 2016-09-30 | 2017-05-10 | 东莞港星金属制品有限公司 | Metal pressure casting mould of utensil accurate positioning function |
| CN206153535U (en) * | 2016-09-30 | 2017-05-10 | 东莞港星金属制品有限公司 | Metal pressure casting mould of utensil flow control and leak protection function |
| CN206200104U (en) * | 2016-12-01 | 2017-05-31 | 四川长虹技佳精工有限公司 | The split type sprue bush structure of compression mod |
| CN206425523U (en) * | 2016-12-29 | 2017-08-22 | 无锡市灵通铸造有限公司 | A kind of casting die being easily stripped |
| CN206588330U (en) * | 2017-02-21 | 2017-10-27 | 苏州工业职业技术学院 | A kind of die casting |
| CN107186196A (en) * | 2017-07-21 | 2017-09-22 | 中联精工（天津）有限公司 | A kind of new automobile part die casting |
| CN207026251U (en) * | 2017-07-27 | 2018-02-23 | 天津英创科技有限公司 | A kind of adjustable automobile parts diel |
| CN207343588U (en) * | 2017-09-05 | 2018-05-11 | 王笑时 | A kind of raceway liner board mold |
| CN107617676A (en) * | 2017-10-24 | 2018-01-23 | 惠州市百思德精密部件有限公司 | The fixation of the weak drift of abnormity and quick change mould structure |
| CN207563669U (en) * | 2017-12-07 | 2018-07-03 | 东莞市亨顺瑞精密模具有限公司 | A kind of novel tungsten steel mold |
| CN107866542A (en) * | 2017-12-13 | 2018-04-03 | 余姚市宏硕模具制造有限公司 | A kind of novel metal die casting |
| CN207914559U (en) * | 2017-12-19 | 2018-09-28 | 浙江华朔科技股份有限公司 | A kind of detachable spreader for die casting |
| CN207787651U (en) * | 2018-01-16 | 2018-08-31 | 奥科精机（深圳）有限公司 | Die-casting local booster body with charging shunting function |
| CN108465799A (en) * | 2018-06-21 | 2018-08-31 | 湖北昊昌汽车零部件制造有限公司 | Die-casting mould |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190215 |