CN207929955U - Profile-followed control cold mold - Google Patents
Profile-followed control cold mold Download PDFInfo
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- CN207929955U CN207929955U CN201820181096.XU CN201820181096U CN207929955U CN 207929955 U CN207929955 U CN 207929955U CN 201820181096 U CN201820181096 U CN 201820181096U CN 207929955 U CN207929955 U CN 207929955U
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Abstract
The utility model is related to all-aluminium piston gravity casting molds, disclose profile-followed control cold mold, it includes the backform being fixed on casting equipment, internal model and external mold, backform is located at the overhead of external mold, and external mold forms inner mold sides and surrounds, and backform is equipped with cooling duct and heating channel, external mold is divided into left and right external mold, cooling duct is respectively provided on the external mold of left and right, internal model is divided into three pieces, and is equipped with cooling duct in every piece of internal model.The operating temperature that the utility model passes through the three tunnel cooling ducts and the channel of the heating all the way mutual cooperation regulation and control backform on backform that are arranged on backform, and it is cooled down by three tunnels of internal model, four tunnel cooling ducts of external mold are further into trip temperature adjusting control, cooling sequencing and the cooling time of the logical interior cooling medium of the cooling per road are controlled by PLC to realize a distinctive temperature field of profile-followed control cold mold, to realize the cooling velocity that can accelerate molten aluminum, setting time is reduced, production efficiency and beat are improved.
Description
Technical field
The utility model is related to all-aluminium piston gravity casting molds, more particularly to profile-followed control cold mold.
Background technology
Engine develops to high-power, low oil consumption, low emission and light-weighted direction at present, and the intensified index of engine is got over
Come it is higher, it is as " heart " --- the piston of engine, the unit area power born is higher and higher.Power evelopment target：
Fire pressure and reach 20MPa, power per liter reaches 90Kw/L, piston high temperature, high pressure, high speed mal-condition under work, it is necessary to
With higher and higher rigidity and intensity, to ensure its heat resistance, wearability, stable guidance quality and good sealing function,
To meet the development need of engine.
High mechanical load requires piston material that there is high intensity and high fatigue resistance, high thermic load to require piston tool
There are high heat resistance, high rotating speed to require piston that there is high-wearing feature.It is required that piston material matrix further refines, and
Piston material quality conformance requires higher.Diesel engines at present Piston Industry generally uses and controls cold casting technique with the shape, and passes through
Procedure parameter automation and digitlization controlled level are improved, realizes piston material structure refinement and material quality conformance.
It is a kind of diesel engine piston blank forming technique to control cold casting technique with the shape, in Conventional gravity permanent mold casting
On the basis of, mold cooling duct is further increased, using cold technology is controlled with the shape, is controlled per cold all the way using automated system
But water flow, temperature, cooling time the dwell time, shorten piston blank setting time, refining alloy tissue improves piston head
The compactness of portion's tissue, improves piston high temperature resistant mechanical property.
Cold casting system is controlled with the shape blank is controlled to cold, automatic casting with the shape, puts the progress of the technologies such as insert, automatic part picking automatically
It is integrated.It realizes diesel engine piston casting technique cooperation and integration application, realizes the effective monitoring to casting technological parameter, it is ensured that Gao Xing
Can diesel engine piston metallographic structure improve 1 grade, reach 3 grades, material hardness consistency is high, and Cp values are up to 1.33.
Conformal cooling technology Refining Mechanism：When molten aluminum liquid is poured into mold, since the lower type wall of temperature has
Strong heat absorption and cooling effect, blank crystallize first since at type wall, and fast quickly cooling is carried out to contoured fields by cooling water
But, a thin layer liquid by plesiotype wall is made to generate greatly degree of supercooling, and type wall can as the substrate of heterogeneous nucleation, because
This generates a large amount of nucleus immediately in this thin layer liquid, while being grown to all directions.Since there are many nucleus quantity, crystal grain
Very tiny, dense structure, mechanical property is fine.
Utility model content
The utility model is directed to the problems of the prior art, provides profile-followed control cold mold.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：
Profile-followed control cold mold comprising be fixed in backform, internal model and external mold on casting equipment, backform is located at external mold
Overhead, external mold form inner mold sides and surround, and backform is equipped with cooling duct and heating channel, and external mold is divided into left and right external mold, left
Cooling duct is respectively provided on right external mold, internal model is three pieces, and is equipped with cooling duct in every piece of internal model.The utility model by
The operating temperature of three tunnel cooling ducts being arranged on backform and the channel of the heating all the way mutual cooperation regulation and control backform on backform, and lead to
The three tunnels cooling of internal model is crossed, four tunnel cooling ducts of external mold are controlled cold per road further into trip temperature adjusting control by PLC
But lead to cooling sequencing and the cooling time of interior cooling medium to realize a distinctive temperature field of profile-followed control cold mold.
Preferably, backform is equipped with three tunnel cooling ducts, and wherein has and be arranged near combustion chamber throat all the way.
Preferably, backform is equipped with heats channel all the way, the operating temperature for adjusting backform.
Preferably, backform is equipped with the part combustion chamber cast out with combustion-chamber shape.
Preferably, backform is equipped with supply aluminum water of the insulated feeder for being provided when solidification below combustion chamber.
Preferably, external mold includes symmetrical two parts, the opposite face of two parts against when formed and cast at middle part
Chamber, mold cavity is opposite with the bottom of tapping hole, is extend into mold cavity on the upside of internal model.
Preferably, left and right external mold includes respectively a upper external mold and a lower external mold, the front side of external mold is equipped with running channel, running channel
The middle part of lower external mold, running channel and pouring in the middle part of external mold are extended to positioned at the two-part intersection of external mold or so and by upper outer mold top
Mold cavity is connected to and cooperates.
Preferably, external mold is equipped with left and right external mold, and it is respectively provided with a cooling in the upper external mold or so of left and right external mold and leads to
Road.
Preferably, external mold is equipped with left and right external mold, and the running channel both sides of the lower external mold in left and right external mold are respectively provided with all the way
Cooling duct.
Preferably, internal model includes three pieces of compositions of left side block central block and the right block；Left side block, central block in internal model and
Cooling duct all the way is respectively provided in the block of the right.
The utility model uses above scheme and has the advantages that：The utility model passes through by being set on backform
The operating temperature of the tri- tunnel cooling ducts Zhi and the channel of the heating all the way mutual cooperation regulation and control backform on backform, and pass through internal model
Three tunnels cool down, and four tunnel cooling ducts of external mold are controlled by PLC and cooled down in logical per road further into trip temperature adjusting control
Cooling sequencing and the cooling time of medium are cooled down to realize a distinctive temperature field of profile-followed control cold mold.To realize energy
The cooling velocity for enough accelerating molten aluminum, reduces setting time, improves production efficiency and beat；In addition the entirety of piston is further promoted
Metallographic structure at metallographic structure, especially combustion chamber throat increases significantly.In addition it is cast with the shape of combustion chamber on backform
A part of combustion chamber of type is caused, the yield rate of blank is improved from face, improves the efficiency of machine shop combustion chamber processing.
Description of the drawings
Fig. 1 is the sectional view of backform.
Fig. 2 is the structural schematic diagram of external mold.
Fig. 3 is the half sectional view of external mold.
Fig. 4 is A-A views in Fig. 3.
Fig. 5 is C-C views in Fig. 4.
Fig. 6 is the structural schematic diagram of inner membrance.
Fig. 7 is the sectional view of inner membrance.
The toponym that each number designation is referred in attached drawing is as follows：1-backform, 12-temperature control riser, 14-coolings are logical
Road, 2-external molds, 21-mold cavities, 22-upper external molds, 23-lower external molds, 24-connecting plates, 25-running channels, 27-coolings are logical
Road, 3-internal models, 31-left side blocks, 32-central blocks, 33-the right blocks, 35-cooling ducts.
Specific implementation mode
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment
Profile-followed control cold mold, as shown in figs. 1-7 comprising the backform 1, internal model 3 and the external mold 2 that are fixed on casting machine and its
His dieparts, backform 1 are located at the overhead of external mold 2, and external mold 2 forms 3 side of internal model and surrounds, three tunnels being arranged on backform 1
The operating temperature of cooling duct 14 and the channel 13 of the heating all the way mutual cooperation regulation and control backform on backform, and pass through the three of internal model 3
Road cooling duct 35, four tunnel cooling ducts 27 of external mold 2 are controlled cold per road further into trip temperature adjusting control by PLC
But lead to cooling sequencing and the cooling time of interior cooling medium to realize a distinctive temperature field of profile-followed control cold mold.
Backform 1 is equipped with three tunnel cooling ducts 14, and wherein has and be arranged near combustion chamber throat all the way；
Backform 1 is equipped with heats channel 13, the operating temperature for adjusting backform 1 all the way；
Backform 1 is equipped with the part combustion chamber cast out with combustion-chamber shape；
Backform 1 is equipped with supply aluminum water of the insulated feeder 12 for being provided when solidification below combustion chamber；
External mold 2 include left and right external mold, the opposite face of left and right external mold against when middle part formed mold cavity 21, mold cavity 21 with
The bottom of tapping hole is opposite, and the upside of internal model 3 is extend into mold cavity 21.
Left and right external mold includes respectively a upper external mold 22 and a lower external mold 23, and the front side of external mold 2 is equipped with running channel 25, running channel
25 are located at 2 or so two-part intersection of external mold and extend to the middle part of lower external mold 23 by the top of upper external mold 22, running channel 25 with it is outer
The mold cavity 21 at 2 middle part of mould is connected to and cooperates.
External mold 2 is equipped with left and right external mold, and is respectively provided with a cooling duct 27 in the upper external mold of left and right external mold 22 or so.
External mold 2 be equipped with left and right external mold, and 25 both sides of running channel on the lower external mold 23 of left and right external mold be respectively provided with it is cold all the way
But channel.
Internal model 3 includes 33 3 pieces of left side block 31, central block 32 and the right block compositions；Left side block 31, central block in internal model 3
32 and the right block 33 in be respectively provided with cooling duct 35 all the way.
In short, these are only the preferred embodiment of the utility model, it is all made according to the patent scope of the utility model
Equivalent changes and modifications should all belong to the covering scope of the utility model patent.
Claims (9)
1. control cold mold with the shape comprising backform (1), internal model (3) and the external mold (2) being fixed on casting machine, backform (1) are located at
The overhead of external mold (2), external mold (2) form internal model (3) side and surround, it is characterised in that：It is logical that backform (1) is equipped with the cooling of three tunnels
Road (14) and all the way heating channel (13), external mold (2) are equipped with four tunnel cooling ducts (27), and internal model (3) is cooled down equipped with three tunnels
Channel (35), three tunnel cooling ducts (14) being arranged on backform (1) cooperate with the channel of heating all the way (13) on backform and adjust
Control the operating temperature of backform, and by three tunnel cooling ducts (35) of internal model (3), four tunnel cooling ducts (27) of external mold (2) into
One step into trip temperature adjusting control, and by PLC control the cooling per road lead in the cooling sequencing of cooling medium and cold
But the time realizes a distinctive temperature field of profile-followed control cold mold.
2. profile-followed control cold mold according to claim 1, it is characterised in that：Backform (1) is equipped with three tunnel cooling ducts
(14), and wherein have and be arranged near combustion chamber throat all the way；Backform (1) is equipped with heats channel (13) all the way, for adjusting
The operating temperature of backform (1).
3. profile-followed control cold mold according to claim 2, it is characterised in that：Backform (1) is equipped with to be cast with combustion-chamber shape
The part combustion chamber gone out.
4. profile-followed control cold mold according to claim 3, it is characterised in that：Backform (1) is used equipped with insulated feeder (12)
The supply aluminum water provided when being solidified below combustion chamber.
5. profile-followed control cold mold according to claim 1, it is characterised in that：External mold (2) includes left and right external mold, left and right external mold
Opposite face against when middle part formed mold cavity (21), mold cavity (21) is opposite with the bottom of tapping hole, the upside of internal model (3)
It extend into mold cavity (21).
6. profile-followed control cold mold according to claim 5, it is characterised in that：Left and right external mold includes respectively a upper external mold (22)
It is equipped with running channel (25) with the front side of a lower external mold (23), external mold (2), running channel (25) is located at the two-part friendship in external mold (2) left and right
At the boundary and middle part by extending to lower external mold (23) at the top of upper external mold (22), running channel (25) and the mold cavity in the middle part of external mold (2)
(21) it is connected to and cooperates.
7. profile-followed control cold mold according to claim 5, it is characterised in that：Upper external mold (22) left and right of left and right external mold is respectively set
There is a cooling duct (27).
8. profile-followed control cold mold according to claim 5, it is characterised in that：The running channel of the lower external mold (23) of left and right external mold
(25) side is respectively provided with cooling duct all the way.
9. profile-followed control cold mold according to claim 1, it is characterised in that：Internal model (3) includes left side block (31), central block
(32) and the right block (33) it, is respectively provided in the left side block (31) in internal model (3), central block (32) and the right block (33) and cools down all the way
Channel (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820181096.XU CN207929955U (en) | 2018-02-01 | 2018-02-01 | Profile-followed control cold mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820181096.XU CN207929955U (en) | 2018-02-01 | 2018-02-01 | Profile-followed control cold mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207929955U true CN207929955U (en) | 2018-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820181096.XU Expired - Fee Related CN207929955U (en) | 2018-02-01 | 2018-02-01 | Profile-followed control cold mold |
Country Status (1)
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| CN (1) | CN207929955U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453231A (en) * | 2018-02-01 | 2018-08-28 | 浙江宝琳自动化设备有限公司 | Profile-followed control cold mold and its application method |
| CN114352432A (en) * | 2022-01-11 | 2022-04-15 | 湖南江滨机器（集团）有限责任公司 | Piston blank, piston forming module and multi-path sequential cold control forming method |
| CN114346219A (en) * | 2021-11-19 | 2022-04-15 | 山东双港活塞股份有限公司 | Quick cooling piston mould |
-
2018
- 2018-02-01 CN CN201820181096.XU patent/CN207929955U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453231A (en) * | 2018-02-01 | 2018-08-28 | 浙江宝琳自动化设备有限公司 | Profile-followed control cold mold and its application method |
| CN114346219A (en) * | 2021-11-19 | 2022-04-15 | 山东双港活塞股份有限公司 | Quick cooling piston mould |
| CN114346219B (en) * | 2021-11-19 | 2024-01-23 | 山东双港活塞股份有限公司 | Quick cooling piston die |
| CN114352432A (en) * | 2022-01-11 | 2022-04-15 | 湖南江滨机器（集团）有限责任公司 | Piston blank, piston forming module and multi-path sequential cold control forming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 811, 8th Floor, No. 1 Scientific Research Building, Xianhua Base, 589 Longtan Road, Wucheng District, Jinhua City, Zhejiang Province, 321000 Patentee after: Zhejiang Bode Intelligent Technology Co.,Ltd. Address before: Room 811, 8th Floor, No. 1 Scientific Research Building, Xianhua Base, 589 Longtan Road, Wucheng District, Jinhua City, Zhejiang Province, 321000 Patentee before: ZHEJIANG BAOLIN AUTOMATION EQUIPMENT CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20220201 |