CN205599880U - Large -duty loader hydraulic valve foundry goods mould - Google Patents
Large -duty loader hydraulic valve foundry goods mould Download PDFInfo
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- CN205599880U CN205599880U CN201620349226.7U CN201620349226U CN205599880U CN 205599880 U CN205599880 U CN 205599880U CN 201620349226 U CN201620349226 U CN 201620349226U CN 205599880 U CN205599880 U CN 205599880U
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- arbor
- core
- mounting groove
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Abstract
The utility model discloses a large -duty loader hydraulic valve foundry goods mould, including upper and lower shell mould, psammitolite and watering the system of emitting, the psammitolite includes core, main core and little core, and main core comprises seven vertical arbors and four horizontal arbors that level in the coplanar set up, is equipped with a plurality of lugs on the main core, is equipped with the mounting groove on the lug, and it is fixed with main core that little core passes through the mounting groove, waters the exothermic heat -preservation feeder who emits the system to include two diameter 90mm, high 120mm. The utility model discloses advantage compactness rational in infrastructure, good reliability, convenient equipment casting have been controlled main valve hole casting blank straightness accuracy and have been less than 0.8 millimeter, have avoided complicated psammitolite equipment error, have solved casting defects such as foundry goods shrinkage cavity, shrinkage porosite, internal porosity, have improved interior tissue compactness to the high pressure operation state that reaches rated pressure >= 35Mpa does not have the leakage down, and the casting qualification rate improves greatly, casting cost reduction.
Description
Technical field
This utility model relates to plant equipment manufacturing technology field, particularly relates to a kind of large-duty loader hydraulic valve
Body casting die.
Background technology
In large-duty loader now, the overwhelming majority has hydraulic control system, and hydraulic system is by hydraulic pump, control
Valve processed, hydraulic cylinder, hydraulic motor, pipeline, fuel tank etc. form, and Hydraulic Power Transmission System will be sent out by hydraulic pump
The power of motivation passes to the executive component such as hydraulic motor, hydraulic cylinder, and push the work forward device action, thus complete
Become various operation.
Hydraulic valve is hydraulic system key components and parts, and the hydraulic valve structure of large-duty loader and required precision are very
Height, and require No leakage under the high-pressure work state of pressure >=35Mpa.
Owing to the inner flow passage structure of valve body moulding is complicated, it is impossible to one-shot forming, core need to by main core with permitted
The least core assembles the most at many levels, the most usually can produce gap error, and foundry goods
There will be the casting flaw such as shrinkage cavity and porosity, internal porosity, it is impossible to ensure dense internal organization, at pressure
Being susceptible to leakage under the high-pressure work state of >=35Mpa, cause product casting qualification rate low, casting cost is high.
Utility model content
The purpose of this utility model is the defect existed for prior art, it is provided that a kind of rational in infrastructure compact,
Highly reliable, dense internal organization height, ease of assembly cast, and product casting qualification rate is greatly improved, casting
Cause the large-duty loader hydraulic valve casting die of this reduction.
In order to solve above-mentioned technical problem, this utility model provides a kind of large-duty loader hydraulic valve foundry goods
Mould, including cope shell, drag sheel, core and pouring and riser systems；
The cavity of large-duty loader hydraulic valve is formed with described core after described cope shell, drag sheel matched moulds；
Described core includes core print, main core and little core, and described core print is four frames, and front and back two side frames are equipped with
Two feet, described main core is horizontally set in core print, and described core print is in order to the main core of fixing support, described main core
It is made up of the most horizontally disposed seven longitudinal arbors and four horizontal arbors, described seven longitudinal directions
Arbor includes the longitudinal arbor of the most arranged in parallel first, second longitudinal arbor, the 3rd longitudinal core
Bone, the 4th longitudinal arbor, the 5th longitudinal arbor, the 6th longitudinal arbor and the 7th longitudinal arbor, described four
Laterally arbor includes the most arranged in parallel first laterally arbor, the second horizontal arbor, the 3rd horizontal stroke
To the horizontal arbor of arbor and the 4th；
Described first longitudinal arbor is latticed being connected to Article 6 longitudinal direction arbor and four horizontal arbors, institute
Stating the first horizontal arbor to the 3rd horizontal arbor and the 7th longitudinal arbor is connected, the described 4th horizontal arbor is not
It is connected with the 7th longitudinal arbor；
Described first longitudinal arbor to be positioned on the 6th longitudinal arbor the first horizontal arbor and the second horizontal arbor it
Between region in be equipped with for forming the first projection of oil groove, the second projection and the 3rd projection, described first
Longitudinal arbor is to equal in region between the 3rd horizontal arbor and the 4th horizontal arbor on the 6th longitudinal arbor
It is provided with the 4th projection, the 5th projection and the 6th projection for forming oil groove, described first longitudinal arbor to the
It is equipped with for being formed on region between the second horizontal arbor and the 3rd horizontal arbor on six longitudinal arbors
7th projection of oil groove；Described first projection is provided with the first mounting groove upwards, and described 6th projection sets
The second mounting groove upwards, described 3rd projection is had to be provided with the 3rd downward mounting groove, described 4th projection
Being provided with the 4th downward mounting groove, described 7th projection is respectively arranged at two ends with the 5th mounting groove and the 6th up and down
Mounting groove, the described 6th longitudinal arbor is positioned at the region on the first horizontal arbor and the 4th horizontal arbor point
It is not provided with the 7th mounting groove and the 8th mounting groove；
Described little core is three layers, is followed successively by from the top down: ground floor includes a first little core, second layer bag
Including six the second little cores, third layer includes six the 3rd little cores, each second little core by the first mounting groove,
Second mounting groove and the 5th mounting groove are fixed with main core, and each 3rd little core is by the 3rd mounting groove, the 4th peace
Tankage and the 6th mounting groove are fixed with main core, are provided with the 9th mounting groove, institute in the middle of each second little core upper surface
Stating the first little core to be fixed with main core by the 7th mounting groove and the 8th mounting groove, described first little core passes through the 9th
Mounting groove and the second little core are fixed；
Described pouring and riser systems includes two heat preservation rising heads and two running channels, described heat preservation rising head straight
Footpath is 90mm, and height is 120mm, and described rising head surrounding is all filled with resin sand, and described running channel is located on described
Shell mould, the left and right sides of drag sheel.
Specifically, the arc surface on described first little core, six the second little cores and six the 3rd little cores uses and lives
Block and cylinder of loosing core make and one-shot forming.
Specifically, described 5th mounting groove and the 6th mounting groove are circular notches, described first mounting groove, the
Two mounting grooves, the 3rd mounting groove, the 4th mounting groove, the 7th mounting groove, the 8th mounting groove and the 9th mounting groove
It it is square notch.
Specifically, described core sand is high fluidity sand.
Specifically, described seven longitudinal arbors are all made with the High-Alumina ceramic rod of a diameter of 10mm, described height
The Al of aluminum matter ceramic rod2O3Content is 40%--50%.
Specifically, described assembly of sand core gap is to be sticked with frock control by core.
Specifically, described main core is with Special core production Mold Making one-body molded.
This utility model has the advantages that
1. hydraulic valve casting die compact, highly reliable, ease of assembly casting rational in infrastructure；
2. the High-Alumina ceramic rod (Al 2O3 content is 40%--50%) of the diameter 10mm used is as sprue
Arbor, controls main valve hole cast blank linearity less than 0.8 millimeter；
3. use the sand of high fluidity, it is ensured that the complete molding of core and quality；
4. use core to be sticked with frock, it is to avoid complicated assembly of sand core error, the assembly clearance of core is controlled
In 0.1mm；
5. use resin sand between two rising heads, use silicon strontium inovulant and silicon rare earth inovulant to carry out compound pregnant
Educating, the mould left and right sides intakes, and solves the casting flaws such as foundry goods shrinkage cavity and porosity, internal porosity, improves
Dense internal organization, to reach No leakage under the high-pressure work state of rated pressure >=35Mpa；
6. casting qualification rate is greatly improved, and casting cost reduces.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical solution of the utility model, embodiment or prior art will be retouched below
In stating, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
Embodiments more of the present utility model, for those of ordinary skill in the art, are not paying creative labor
On the premise of Dong, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the first structural representation of this utility model core；
Fig. 2 is the second structural representation of this utility model core；
Fig. 3 is the left view of this utility model core:
Fig. 4 is the first structural representation of the main core of this utility model；
Fig. 5 is the top view of the main core of this utility model；
Fig. 6 is the second structural representation of the main core of this utility model；
Fig. 7 is the structural representation of the little core of this utility model second.
Wherein, in figure, reference corresponds to: 1-core print, the main core of 2-, the longitudinal arbor of 3-first, and 4-second indulges
To arbor, the longitudinal arbor of 5-the 3rd, the longitudinal arbor of 6-the 4th, the longitudinal arbor of 7-the 5th, the longitudinal arbor of 8-the 6th,
The longitudinal arbor of 9-the 7th, the horizontal arbor of 10-first, the horizontal arbor of 11-second, the horizontal arbor of 12-the 3rd, 13-
4th horizontal arbor, 14-the first projection, 15-the second projection, 16-the 3rd projection, 17-the 4th projection, 18-
5th projection, 19-the 6th projection, 20-the 7th projection, 21-the first mounting groove, 22-the second mounting groove, 23-
3rd mounting groove, 24-the 4th mounting groove, 25-the 5th mounting groove, 26-the 6th mounting groove, 27-the 7th mounting groove,
28-the 8th mounting groove, the little core of 29-first, the little core of 30-second, the little core of 31-the 3rd, 32-the 9th mounting groove.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical scheme in utility model embodiment
It is clearly and completely described, it is clear that described embodiment is only that this utility model part is implemented
Example rather than whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art exist
The every other embodiment obtained on the premise of not making creative work, broadly falls into this utility model and protects
The scope protected.
Embodiment:
Referring to Fig. 1-Fig. 7, this utility model provides a kind of large-duty loader hydraulic valve casting die, bag
Include cope shell, drag sheel, core and pouring and riser systems；
The cavity of large-duty loader hydraulic valve is formed with described core after described cope shell, drag sheel matched moulds；
Described core includes core print 1, main core 2 and little core, and described core print 1 is four frames, and front and back two side frames are equal
Being provided with two feet, described main core 2 is horizontally set in core print 1, described core print 1 in order to the main core of fixing support 2,
Described main core 2 is made up of the most horizontally disposed seven longitudinal arbors and four horizontal arbors, institute
State seven longitudinal arbors include the most arranged in parallel first longitudinal longitudinal arbor 4 of arbor 3, second,
The longitudinal arbor the 6, the 5th of 3rd longitudinal arbor the 5, the 4th longitudinal arbor of longitudinal arbor the 7, the 6th 8 and the 7th is indulged
To arbor 9, described four horizontal arbors include the most arranged in parallel first laterally arbor 10,
The second horizontal horizontal arbor of arbor the 11, the 3rd 12 and the 4th horizontal arbor 13；
Described first longitudinal arbor 3 to Article 6 longitudinal direction arbor 8 is latticed being connected with four horizontal arbors,
Described first horizontal arbor 10 to the 3rd horizontal arbor 12 is connected with the 7th longitudinal arbor 9, and the described 4th
Laterally arbor 13 is not connected with the 7th longitudinal arbor 9；
It is positioned at the first horizontal arbor 10 horizontal with second on described first longitudinal arbor 3 to the 6th longitudinal arbor 8
First projection the 14, second projection 15 and the 3rd for forming oil groove it is equipped with in region between arbor 11
Projection 16, described first longitudinal arbor 3 is positioned at the 3rd horizontal arbor 12 and the 4th to the 6th longitudinal arbor 8
Laterally it is equipped with the 4th projection the 17, the 5th projection 18 and for forming oil groove in the region between arbor 13
6th projection 19, described first longitudinal arbor 3 to the 6th longitudinal arbor 8 is positioned at the second horizontal arbor 11 and
It is equipped with the 7th projection 20 for forming oil groove on region between 3rd horizontal arbor 12；Described first convex
Block 14 is provided with the first mounting groove 21 upwards, and described 6th projection 19 is provided with the second mounting groove upwards
22, described 3rd projection 16 is provided with the 3rd downward mounting groove 23, described 4th projection 17 be provided with to
Under the 4th mounting groove 24, described 7th projection about 20 is respectively arranged at two ends with the 5th mounting groove 25 and the 6th
Mounting groove 26, the described 6th longitudinal arbor 8 is positioned on the first horizontal arbor 10 and the 4th horizontal arbor 13
Region in be respectively equipped with the 7th mounting groove 27 and the 8th mounting groove 28；
Described little core is three layers, is followed successively by from the top down: ground floor includes a first little core 29, the second layer
Including six the second little cores 30, third layer includes six the 3rd little cores 31, and each second little core 30 is by the
One mounting groove the 21, second mounting groove 22 and the 5th mounting groove 25 are fixed with main core 2, each 3rd little core 31
Fixed with main core 2 by the 3rd mounting groove the 23, the 4th mounting groove 24 and the 6th mounting groove 26, each second
Being provided with the 9th mounting groove 32 in the middle of little core 30 upper surface, described first little core 29 is by the 7th mounting groove 27 He
8th mounting groove 28 is fixed with main core 2, and described first little core 29 is by the 9th mounting groove 32 and the second little core
30 fix；
Described pouring and riser systems includes two heat preservation rising heads and two running channels, described heat preservation rising head straight
Footpath is 90mm, and height is 120mm, and described rising head surrounding is all filled with resin sand, and described running channel is located on described
Shell mould, the left and right sides of drag sheel
Specifically, the arc surface on 29, six the second little cores 30 of the first little core and six the 3rd little cores 31 is adopted
Make and one-shot forming of loose piece and cylinder of loosing core.
Specifically, the 5th mounting groove 25 and the 6th mounting groove 26 are circular notches, the first mounting groove 21, the
Two mounting groove the 22, the 3rd mounting groove the 23, the 4th mounting groove the 24, the 7th mounting groove the 27, the 8th mounting grooves 28
It is square notch with the 9th mounting groove 32.
Specifically, core sand is high fluidity sand.
Specifically, seven longitudinal arbors are all made with the High-Alumina ceramic rod of a diameter of 10mm, described High-Alumina
The Al of ceramic rod2O3Content is 40%--50%.
Specifically, assembly of sand core gap is to be sticked with frock control by core.
Specifically, main core 2 is with Special core production Mold Making one-body molded.
This utility model has the advantages that
Compact, highly reliable, ease of assembly casting the most rational in infrastructure；
2. use the High-Alumina ceramic rod (Al 2O3 content is 40%--50%) of diameter 10mm as sprue core
Bone, controls main valve hole cast blank linearity less than 0.8 millimeter；
3. use the sand of high fluidity, it is ensured that the complete molding of core and quality；
4. use core to be sticked with frock, it is to avoid complicated assembly of sand core error, the assembly clearance of core is controlled
In 0.1mm；
5. use resin sand between two rising heads, use silicon strontium inovulant and silicon rare earth inovulant to carry out compound pregnant
Educating, the mould left and right sides intakes, and solves the casting flaws such as foundry goods shrinkage cavity and porosity, internal porosity, improves
Dense internal organization, to reach No leakage under the high-pressure work state of rated pressure >=35Mpa；
6. casting qualification rate is greatly improved, and casting cost reduces.
Above disclosed only several preferred embodiment of this utility model, can not limit with this certainly
The interest field of this utility model, the equivalent variations therefore made according to this utility model claim, still belong to this
The scope that utility model is contained.
Claims (7)
1. a large-duty loader hydraulic valve casting die, it is characterised in that include cope shell, drag sheel,
Core and pouring and riser systems；
The cavity of large-duty loader hydraulic valve is formed with described core after described cope shell, drag sheel matched moulds；
Described core includes core print (1), main core (2) and little core, and described core print (1) is four frames, front
Rear two side frames are equipped with two feet, and described main core (2) is horizontally set in core print (1), described core print (1)
In order to the main core of fixing support (2), described main core (2) is by the most horizontally disposed seven longitudinal directions
Arbor and four horizontal arbors composition, described seven articles of longitudinal arbors include the most arranged in parallel the
One longitudinal arbor (3), second longitudinal arbor (4), the 3rd longitudinal arbor (5), the 4th longitudinal arbor (6),
5th longitudinal arbor (7), the 6th longitudinal arbor (8) and the 7th longitudinal arbor (9), described four horizontal
Arbor include the most arranged in parallel first laterally arbor (10), the second horizontal arbor (11),
3rd horizontal arbor (12) and the 4th horizontal arbor (13)；
Described first longitudinal arbor (3) is latticed to Article 6 longitudinal direction arbor (8) with four horizontal arbors
It is connected, the described first horizontal arbor (10) to the 3rd horizontal arbor (12) and the 7th longitudinal arbor (9)
Being connected, the described 4th horizontal arbor (13) is not connected with the 7th longitudinal arbor (9)；
Described first longitudinal arbor (3) is positioned at the first horizontal arbor (10) to the 6th longitudinal arbor (8)
And be equipped with in the region between the second horizontal arbor (11) the first projection (14) for forming oil groove,
Second projection (15) and the 3rd projection (16), described first longitudinal arbor (3) is to the 6th longitudinal arbor (8)
On be positioned between the 3rd horizontal arbor (12) and the 4th horizontal arbor (13) region be equipped with for shape
Becoming the 4th projection (17), the 5th projection (18) and the 6th projection (19) of oil groove, described first longitudinally
Arbor (3) is positioned at the second horizontal arbor (11) and the 3rd horizontal arbor (12) to the 6th longitudinal arbor (8)
Between region on be equipped with the 7th projection (20) for forming oil groove；On described first projection (14)
Being provided with the first mounting groove (21) upwards, described 6th projection (19) is provided with the second mounting groove upwards
(22), described 3rd projection (16) is provided with the 3rd downward mounting groove (23), described 4th projection
(17) being provided with the 4th downward mounting groove (24), described 7th projection (20) sets at two ends up and down respectively
There are the 5th mounting groove (25) and the 6th mounting groove (26), the described 6th longitudinal arbor (8) is positioned at first
It is respectively equipped with the 7th mounting groove (27) in region on horizontal arbor (10) and the 4th horizontal arbor (13)
With the 8th mounting groove (28)；
Described little core is three layers, is followed successively by from the top down: ground floor includes a first little core (29), the
Two layers include six the second little cores (30), and third layer includes six the 3rd little cores (31), each second little
Core (30) is by the first mounting groove (21), the second mounting groove (22) and the 5th mounting groove (25) and master
Core (2) is fixed, and each 3rd little core (31) passes through the 3rd mounting groove (23), the 4th mounting groove (24)
Fix with the 6th mounting groove (26) and main core (2), in the middle of each second little core (30) upper surface, be provided with the
Nine mounting grooves (32), described first little core (29) passes through the 7th mounting groove (27) and the 8th mounting groove (28)
Fixing with main core (2), described first little core (29) is by the 9th mounting groove (32) and the second little core (30)
Fixing；
Described pouring and riser systems includes two heat preservation rising heads and two running channels, described heat preservation rising head straight
Footpath is 90mm, and height is 120mm, and described rising head surrounding is all filled with resin sand, and described running channel is located on described
Shell mould, the left and right sides of drag sheel.
Large-duty loader hydraulic valve casting die the most according to claim 1, it is characterised in that institute
The arc surface stated on the first little core (29), six the second little cores (30) and six the 3rd little cores (31) is adopted
Make and one-shot forming of loose piece and cylinder of loosing core.
Large-duty loader hydraulic valve casting die the most according to claim 1, it is characterised in that institute
State the 5th mounting groove (25) and the 6th mounting groove (26) is circular notch, described first mounting groove (21),
Second mounting groove (22), the 3rd mounting groove (23), the 4th mounting groove (24), the 7th mounting groove (27),
8th mounting groove (28) and the 9th mounting groove (32) are square notches.
Large-duty loader hydraulic valve casting die the most according to claim 1, it is characterised in that institute
Stating core sand is high fluidity sand.
Large-duty loader hydraulic valve casting die the most according to claim 1, it is characterised in that institute
State seven longitudinal arbors all to make with the High-Alumina ceramic rod of a diameter of 10mm, described High-Alumina ceramic rod
Al2O3Content is 40%--50%.
Large-duty loader hydraulic valve casting die the most according to claim 1, it is characterised in that institute
Stating assembly of sand core gap is to be sticked with frock control by core.
Large-duty loader hydraulic valve casting die the most according to claim 1, it is characterised in that institute
Stating main core (2) is with Special core production Mold Making one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620349226.7U CN205599880U (en) | 2016-04-22 | 2016-04-22 | Large -duty loader hydraulic valve foundry goods mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620349226.7U CN205599880U (en) | 2016-04-22 | 2016-04-22 | Large -duty loader hydraulic valve foundry goods mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205599880U true CN205599880U (en) | 2016-09-28 |
Family
ID=56971152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620349226.7U Withdrawn - After Issue CN205599880U (en) | 2016-04-22 | 2016-04-22 | Large -duty loader hydraulic valve foundry goods mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205599880U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772646A (en) * | 2016-04-22 | 2016-07-20 | 南通华东油压科技有限公司 | Large-duty loader hydraulic valve body casting mold and manufacturing method |
| WO2018039854A1 (en) * | 2016-08-29 | 2018-03-08 | 丁洋 | Casting mould for hydraulic valve body used in large loader and manufacturing method therefor |
| CN108145089A (en) * | 2018-01-26 | 2018-06-12 | 共享智能铸造产业创新中心有限公司 | T-shaped lathe bed classifying method based on increasing material manufacturing |
-
2016
- 2016-04-22 CN CN201620349226.7U patent/CN205599880U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772646A (en) * | 2016-04-22 | 2016-07-20 | 南通华东油压科技有限公司 | Large-duty loader hydraulic valve body casting mold and manufacturing method |
| CN105772646B (en) * | 2016-04-22 | 2018-01-16 | 南通华东油压科技有限公司 | A kind of large-duty loader hydraulic valve casting die and manufacture method |
| WO2018039854A1 (en) * | 2016-08-29 | 2018-03-08 | 丁洋 | Casting mould for hydraulic valve body used in large loader and manufacturing method therefor |
| CN108145089A (en) * | 2018-01-26 | 2018-06-12 | 共享智能铸造产业创新中心有限公司 | T-shaped lathe bed classifying method based on increasing material manufacturing |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160928 Effective date of abandoning: 20180116 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160928 Effective date of abandoning: 20180116 |