CN105234370B - Die casting moisture removal core - Google Patents
Die casting moisture removal core Download PDFInfo
- Publication number
- CN105234370B CN105234370B CN201510715011.2A CN201510715011A CN105234370B CN 105234370 B CN105234370 B CN 105234370B CN 201510715011 A CN201510715011 A CN 201510715011A CN 105234370 B CN105234370 B CN 105234370B
- Authority
- CN
- China
- Prior art keywords
- hollow tube
- die casting
- motion stops
- moisture removal
- mobility framework
- 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.)
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Links
- 238000004512 die casting Methods 0.000 title claims abstract description 28
- 210000004534 cecum Anatomy 0.000 claims abstract description 4
- 238000005266 casting Methods 0.000 abstract description 10
- 239000003795 chemical substances by application Substances 0.000 abstract description 9
- 239000007921 spray Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Present patent application belongs to die-casting technique field, die casting moisture removal core, it is installed on the quiet mould of die casting machine, including hollow tube, the hollow tube free end is cecum, and the drive end of hollow tube is connected by mobility framework with the driving cylinder on die casting machine, and driving gear is installed with inside the mobility framework, mobile rack is engaged with the driving gear, the push rod with stretching into hollow tube of the mobile rack is fixedly connected；Two fumaroles for being located at same radial direction are provided with the tube wall of the hollow tube, the motion stops with elastic component are sliding combined with fumarole, the end face of motion stops the inner is wedge surface, and the free end of push rod is and the matched sphenocephaly of motion stops wedge surface；The hollow tube is connected with the hot wind hose set in mobility framework.The present invention can improve the quality of casting to after mould sprays releasing agent, more thoroughly removing mold cavity surface residual moisture.
Description
Technical field
The invention belongs to die-casting technique field.
Background technology
On existing die casting machine, in order to allow in die casting to remove finished product cast after curing from mould, it is necessary to
Spray releasing agent to the cavity of mould, the releasing agent be the chemical substances such as silicone oil, polyethylene glycol, low molecular weight polyethylene and water with
1:The product that 100 ratio is mixed.After releasing agent is sprayed on the mold cavity surface of mould, vapor via mould row
Stomata evaporates, and die surface leaves the film of releasing agent formation, then carries out die casting, and film can prevent from gluing during casting break away from moulds
It is connected in mould.
The shortcomings that such scheme, is：If the water and incomplete evaporation in releasing agent fall, casting can be caused to cast
During contain moisture, casting cannot be bonded completely with the interface of mould, formed depression etc.；Or the high temperature of molten metal is by water
Vaporization, steam enter in molten metal, are internally formed loose hole after casting cooling, any of the above situation all can be to casting
Quality causes large effect.
The content of the invention
Can be after releasing agent is sprayed, removal mold cavity the invention is intended to provide one kind（Hereinafter referred to as die cavity）Surface is residual
The die casting moisture removal core of remaining moisture.
Die casting moisture removal core in this programme, is installed on the quiet mould of die casting machine, including hollow tube, this is hollow
Pipe free end is cecum, and the drive end of hollow tube is connected by mobility framework with the driving cylinder on die casting machine, the movable frame
Driving gear is installed with inside frame, mobile rack is engaged with the driving gear, the mobile rack is with stretching into hollow tube
Push rod is fixedly connected；Two fumaroles for being located at same radial direction are provided with the tube wall of the hollow tube, are sliding combined with fumarole
Motion stops with elastic component, the end face of motion stops the inner is wedge surface, and the free end of push rod is to match with motion stops wedge surface
The sphenocephaly of conjunction；The hollow tube is connected with the hot wind hose set in mobility framework.
Beneficial effect：In existing die casting machine, moving core is used for the core pulling step of casting, and improvement of the invention exists
In the feature that die cavity can be stretched into using moving core, moving core is designed to hollow tube（Die casting moisture i.e. of the present invention is gone
Except core）, the interior push rod set of hollow tube is by single mobile system（It is to use driving gear and mobile rack in this programme）
Control, the sphenocephaly of push rod can promote motion stops to close fumarole, and the elastic component that motion stops carry can promote motion stops to open spray
Stomata, since hollow tube is connected with hot wind hose, when fumarole opens mouth, hot wind sprays to the cavity wall of die cavity, remains in cavity wall
Moisture be vaporized into vapor, the vapor then along mould exhausting-gas hole exclude.The present invention can be de- to being sprayed in mould
After mould agent, mold cavity surface residual moisture is more thoroughly removed, improves the quality of casting.
Further, motion stops are located at the limiting stand with annular on the position in hollow tube, the limiting stand and hollow tube pipe
Elastic component is disposed between wall, when the sphenocephaly not Compressive activities plug of push rod, motion stops are beaten under the elastic force effect of elastic component
Open fumarole.
Further, the elastic component is return spring, and restoring force is stronger, not easily damaged.
Further, the outer end of the piston is the cambered surface identical with hollow tube perisporium curvature, ensures that fumarole is sealed by piston
After closing, hollow tube side face keeps smooth（That is hollow tube side face is without raised or sunken）.
Further, the top of mobility framework and the output shaft of driving cylinder are more firm by flanged joint, connection.
Brief description of the drawings
Fig. 1 is the structure diagram of die casting moisture removal core of the embodiment of the present invention；
Fig. 2 is the enlarged structure schematic diagram of part A in Fig. 1.
Embodiment
Below by embodiment, the present invention is described in further detail：
Reference numeral in Figure of description includes：Dynamic model 1, quiet mould 2, die cavity 3, hollow tube 4, fumarole 5, motion stops 6,
Limiting stand 61, return spring 62, push rod 7, mobility framework 8, mobile rack 9, driving gear 10, hot wind hose 11, driving cylinder
12。
Embodiment is basic as shown in attached drawing 1, Fig. 2：Die casting moisture removal core, is installed on die casting machine, the die casting
Machine includes dynamic model 1 and quiet mould 2, carries convex block on dynamic model 1, with fluted, the groove pair of the convex block of dynamic model 1 and quiet mould 2 on quiet mould 2
Mold cavity is formed after conjunction.Active type core bore is provided with quiet mould 2, is sliding combined with the active type core bore described in the present embodiment
Die casting moisture removal core.
The moisture removal core is hollow tube 4, the quiet outside of mould 2 installation driving cylinder 12, the upper end of the hollow tube 4 and quiet mould
Mobility framework 8 outside 2 is bolted to connection, which is rectangular frame, the top of mobility framework 8 and driving
The output shaft of cylinder 12 passes through flanged joint.
It is cecum in the lower end of hollow tube 4, two fumaroles 5 for being located at same radial direction is provided with 4 perisporium of hollow tube, often
Slided in a fumarole 5 and be furnished with motion stops 6, each motion stops 6 are located at the limiting stand with annular on the position in hollow tube 4
61, return spring 62 is disposed between 4 tube wall of the limiting stand 61 and hollow tube.Two motion stops 6 are located in hollow tube 4 and opposite
End face（That is the inner of motion stops 6）It is in wedge surface.Carry a push rod 7 in hollow tube 4, the lower end of the push rod 7 is respectively with two
The sphenocephaly that a 6 wedge surface of motion stops coordinates, push rod 7 move down, and motion stops 6 can be caused to overcome the elastic force of return spring 62 in fumarole
Moved in 5 towards die cavity 3, so as to close fumarole 5（The outer end of piston is the cambered surface identical with 4 perisporium curvature of hollow tube）, and push away
Bar 7 moves up, and the elastic force of return spring 62 can cause motion stops 6 to exit fumarole 5, so that fumarole 5 and 4 inner cavity phase of hollow tube
It is logical.
The upper end of push rod 7 is welded after running through mobility framework 8 with mobile rack 9, which nibbles with driving gear 10
Close, the wheel shaft of the driving gear 10 is installed on inside mobility framework 8 by bearing, wheel shaft and the driving motor of the driving gear 10
Output terminal connection.The upper end of hollow tube 4 is connected and communicates with hot wind hose 11, which is fixed on mobility framework 8
Interior and external air-heater.
The operation principle of the present embodiment is：In quiet mould 2 and dynamic model 1 after spraying releasing agent, dynamic model 1 and quiet mould 2 start
Molding.At this time, motor is driven to drive mobility framework 8 to move so that hollow tube 4 is stretched into die cavity 3, and hollow tube 4 is used in casting
Core pulling step.When needing to eliminate the moisture in die cavity 3, driving gear 10 rotates clockwise, and mobile rack 9 then drives push rod 7
Move up, so that the fumarole 5 on hollow tube 4 is opened, fumarole 5 is laggard for hot wind tight end hot wind hose 11 --- hollow tube 4 ---
Enter in die cavity 3 so that the moisture in 3 cavity wall of die cavity is vaporized into vapor, and vapor is then excluded along the exhausting-gas hole of quiet mould 2.
Before die cavity 3 imports molten metal, driving gear 10 moves counterclockwise, and push rod 7 moves down, and fumarole 5 is closed, during molten metal will not enter
4 inner cavity of blank pipe, hollow tube 4 carry out core pulling processing to casting.
Above-described is only the embodiment of the present invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme
Excessive description., without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these are implemented all without the influence present invention
Effect and practical applicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as embodiment can be used for the content for explaining claim.
Claims (5)
1. die casting moisture removal core, is installed on the quiet mould of die casting machine, it is characterised in that including hollow tube, this is hollow
Pipe free end is cecum, and the drive end of hollow tube is connected by mobility framework with the driving cylinder on die casting machine, the movable frame
Driving gear is installed with inside frame, mobile rack is engaged with the driving gear, the mobile rack is with stretching into hollow tube
Push rod is fixedly connected；Two fumaroles for being located at same radial direction are provided with the tube wall of the hollow tube, are sliding combined with fumarole
Motion stops with elastic component, the end face of motion stops the inner is wedge surface, and the free end of push rod is to match with motion stops wedge surface
The sphenocephaly of conjunction；The hollow tube is connected with the hot wind hose set in mobility framework, the hot wind hose and external air-heater.
2. die casting moisture removal core according to claim 1, it is characterised in that：Motion stops are located in hollow tube
Limiting stand with annular on position, elastic component is disposed between the limiting stand and hollow tube wall.
3. die casting moisture removal core according to claim 2, it is characterised in that：The elastic component is return bullet
Spring.
4. die casting moisture removal core according to claim 3, it is characterised in that：The outer end of the motion stops be with
The identical cambered surface of hollow tube perisporium curvature.
5. die casting moisture removal core according to claim 4, it is characterised in that：The top of mobility framework and driving
The output shaft of cylinder passes through flanged joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510715011.2A CN105234370B (en) | 2015-10-29 | 2015-10-29 | Die casting moisture removal core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510715011.2A CN105234370B (en) | 2015-10-29 | 2015-10-29 | Die casting moisture removal core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105234370A CN105234370A (en) | 2016-01-13 |
| CN105234370B true CN105234370B (en) | 2018-05-01 |
Family
ID=55032327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510715011.2A Active CN105234370B (en) | 2015-10-29 | 2015-10-29 | Die casting moisture removal core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105234370B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157248B (en) * | 2020-09-25 | 2021-12-10 | 河北欧耐机械模具股份有限公司 | Precoated sand casting mold |
| CN112191823B (en) * | 2020-11-17 | 2021-07-27 | 阜阳市世科智能设备有限公司 | Novel die casting die of die-casting mechanism |
| CN112296310B (en) * | 2020-11-23 | 2022-04-08 | 阜阳市世科智能设备有限公司 | Die casting die with moisture elimination function |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059758B (en) * | 2010-12-01 | 2013-06-12 | 陈泰宇 | Mold blowing device |
| KR20120122476A (en) * | 2011-04-29 | 2012-11-07 | 현대제철 주식회사 | Apparatus for drying container |
| CN202212556U (en) * | 2011-07-22 | 2012-05-09 | 重庆银角制动器有限公司 | Die casting mold |
| CN103008541A (en) * | 2012-12-31 | 2013-04-03 | 东风汽车股份有限公司 | Casting mould for preventing molten iron from flowing backwards |
| CN103469121B (en) * | 2013-08-27 | 2015-10-28 | 西北工业大学 | The apparatus and method of preparation aluminium oxide short staple preform |
| CN204308173U (en) * | 2014-12-03 | 2015-05-06 | 东莞精明五金科技有限公司 | The anti-blocking exhaust structure of pin |
| CN205324685U (en) * | 2015-10-29 | 2016-06-22 | 重庆迎瑞升压铸有限公司 | Core is got rid of to die casting die moisture |
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- 2015-10-29 CN CN201510715011.2A patent/CN105234370B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105234370A (en) | 2016-01-13 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 402269 No. 120, Park Road, Luo Huang Town, Jiangjin District, Chongqing, A3 Patentee after: CHONGQING YINGRUISHENG DIE CASTING Co.,Ltd. Address before: 401320 Banan District, Chongqing, Banan District, Tianming village, fish cave street, 13 Patentee before: CHONGQING YINGRUISHENG DIE CASTING Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 402260 No. 120, Yuanyuan Avenue, Luohuang town, Jiangjin District, Chongqing (building A3, Pinyi locomotive parts factory) Patentee after: Chongqing Yingruisheng Die Casting Co.,Ltd. Country or region after: China Address before: 402269 No. 120, Park Road, Luo Huang Town, Jiangjin District, Chongqing, A3 Patentee before: CHONGQING YINGRUISHENG DIE CASTING Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |