CN108788026A - A kind of complicated core mold automatic demoulding mechanism of engine casting - Google Patents
A kind of complicated core mold automatic demoulding mechanism of engine casting Download PDFInfo
- Publication number
- CN108788026A CN108788026A CN201811028552.8A CN201811028552A CN108788026A CN 108788026 A CN108788026 A CN 108788026A CN 201811028552 A CN201811028552 A CN 201811028552A CN 108788026 A CN108788026 A CN 108788026A
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- Prior art keywords
- movable block
- demoulding mechanism
- mandril
- automatic demoulding
- core box
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- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 238000005266 casting Methods 0.000 title claims abstract description 26
- 230000008685 targeting Effects 0.000 claims abstract description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C19/00—Components or accessories for moulding machines
- B22C19/06—Devices for rapping or loosening the pattern
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention discloses a kind of engines to cast complicated core mold automatic demoulding mechanism; the cavity adaptable with the outer profile of sand core lower part is equipped with including lower core box and in lower core box; it can be slided up and down equipped with movable block in the cavity of the lower core box; the movable block surrounds the cavity being adapted with the outer profile of sand core lower part with the cavity; the lower section of the lower core box is equipped with the jack-up demoulding mechanism that can jack up the movable block, sand core upwards, and gliding movement targeting structure is equipped between the lower core box and movable block.The present invention's is reasonable in design, automatic demoulding when can meet casting, efficient, coremaking precision is high, low manufacture cost, mold is easy to use, it is not required to cumbersome equipment interface design, because parts are less, mold working service is convenient to, automation coring production may be implemented, at the same time reduce the labor intensity of operator.
Description
Technical field
The present invention relates to casting technology fields, more specifically, it relates to which a kind of complicated core mold of engine casting is certainly
Dynamic demoulding mechanism.
Background technology
With the expansion of the duty of engine and performance and perfect, engine component becomes increasingly complex, especially engine
The parts such as body, cylinder cap, and the method that engine body, cylinder cap use casting substantially obtains, and the reason of because of structure, causes to cast
Mold releasability difficult design is made, there is an urgent need to a kind of new demoulding mechanisms to solve these problems.
General casting mould only up and down two molds direction, and this requires the die joint of sand core can only be one continuous
Face, and be not overlapped in the projection of stripping direction, for the sand core structure of Special complex, general at present there are two types of demoulding mechanisms；
One is increasing mold to mold direction, general core shooting equipment all has the interface of four direction die sinking, for knot
The jacket core of the more special sand core of structure such as body, may be used the mold-opening structure of four direction.
Another kind be by part can not de-molding position make loose piece, ejected together with sand core when molding, then again by artificial
Take out loose piece.
The first scheme for the more special sand core of structure such as body jacket core, since there are sand cleaning hole knots for side
Structure, it is necessary to it can be molded using four mold-opening structures, but for other sand cores, only locally lie in demoulding difficulty, if using
This structure can greatly increase the complexity of mold design, drastically promote the manufacturing cost and maintenance cost of mold.
Second scheme structure is simpler, but can increase the labor intensity of execute-in-place work, because after manually taking out loose piece
It also needs to manually put back to mold again, can also have a significant impact to formation efficiency.
Invention content
The technical problem to be solved by the present invention is to the above-mentioned deficiencies for the prior art, and the object of the present invention is to provide one
Kind is adjusted can be with automatic demoulding, efficient, the coremaking complicated core mold automatic demoulding mechanism of engine casting with high accuracy.
To achieve the above object, the present invention provides a kind of engines to cast complicated core mold automatic demoulding mechanism, packet
Include lower core box and be equipped with the cavity adaptable with the outer profile of sand core lower part in lower core box, in the cavity of the lower core box can on
Lower slider is equipped with movable block, and the movable block surrounds the cavity being adapted with the outer profile of sand core lower part with the cavity, described
The lower section of lower core box is equipped with the jack-up demoulding mechanism that can jack up the movable block, sand core upwards, the lower core box and movable block
Between be equipped with gliding movement targeting structure.
Further, the demoulding mechanism that jacks up includes the pedestal being set to below lower core box and is equipped on the base
The first adaptable mandril and second mandril adaptable with the bottom surface of the movable block with the bottom surface of cavity.
Further, the movable block is up big and down small inclined wedge-shaped structure, and the outer end face of the movable block is equipped with
It is inclined outwardly the ramp structure compatible with the chamber of the lower core box of setting.
Further, the pedestal is equipped with first hinged seat hinged with second mandril, the movable block
Bottom is equipped with second hinged seat hinged with the top of second mandril.
Further, first hinged seat is arranged close to the mandril, the second mandril connection first hinge
It joint chair and the second hinged seat and is in tilted layout.
As a further improvement, the gliding movement targeting structure includes that two be equipped in the lower core box are parallel to institute
The guide rail structure of ramp structure setting is stated, the both sides of the movable block are equipped with skewed slot compatible with the guide rail structure.
Further, the guide rail structure includes the guide rail mounting blocks being detachably equipped in the lower core box and convex
Go out to be set to the guide rail of the inside of guide rail mounting blocks.
Further, the end face of the sand core is equipped with projective structure or sunk structure, and the inner end of the movable block is set
There are sunk structure compatible with the projective structure or sunk structure or projective structure.
Further, the lower part of second mandril is removably equipped with the connecting rod hinged with first hinged seat；
It is equipped with shaft between the connecting rod and the first hinged seat, shaft is equipped between second mandril and the second hinged seat.
Further, the demoulding mechanism that jacks up further includes the jacking system that the driving pedestal moves up and down.
Advantageous effect
Compared with prior art, engine of the invention casts the advantageous effect of complicated core mold automatic demoulding mechanism such as
Under：
(1), the present apparatus is reasonable for structure, automatic demoulding when can meet casting, efficient, and coremaking precision is high；
(2), for this programme compared to four mold-opening structures, this programme is simple in structure, and low manufacture cost, mold is easy to use, no
Cumbersome equipment interface design is needed, because parts are less, mold working service is convenient to；
(3), compared to the mode for manually taking movable block, automation coring production may be implemented first, at the same time reduce
The labor intensity of operator, as a result of link mechanism, the reset of movable block is very accurate, also ensures that sand core
Make precision.
Description of the drawings
Fig. 1 is the molding pre-structure installation diagram of the complicated core mold automatic demoulding mechanism of engine casting of the present invention；
Fig. 2 is the molding pre-structure schematic diagram that demoulding mechanism is jacked up in the present invention；
Fig. 3 be the complicated core mold automatic demoulding mechanism of engine casting of the present invention molding after Standard figure；
Fig. 4 be in the present invention jack up demoulding mechanism molding after structural schematic diagram；
Fig. 5 is the molding pre-structure sectional view of the complicated core mold automatic demoulding mechanism of engine casting of the present invention；
Fig. 6 be the complicated core mold automatic demoulding mechanism of engine casting of the present invention molding during structure section view
Figure；
Fig. 7 be the complicated core mold automatic demoulding mechanism of engine casting of the present invention molding after structure sectional view.
In figure：1, lower core box；2, movable block；3, sand core；4, cavity；5, demoulding mechanism is jacked up；501, pedestal；502, first
Mandril；503, the second mandril；504, the first hinged seat；505, the second hinged seat；506, connecting rod；6, guide rail structure；7, skewed slot.
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield range is not restricted by specific implementation.
The specific implementation mode of the present invention is such：As shown in figs. 1-7, a kind of engine casts complicated core mold certainly
Dynamic demoulding mechanism, including lower core box 1 and the cavity 4 adaptable with the outer profile of 3 lower part of sand core, sand core 3 are equipped in lower core box 1
Substructure be to side protrude or be recessed lower core box 1 cavity 4 in can slide up and down equipped with movable block 2, movable block 2 and type
Chamber 4 surrounds the cavity being adapted with the outer profile of 3 lower part of sand core, the lower section of lower core box 1 be equipped with can jack up upwards movable block 2,
The jack-up demoulding mechanism 5 of sand core 3 is equipped with gliding movement targeting structure between lower core box 1 and movable block 2；Core box is installed to corresponding type
Number core shooting equipment on；The cavity being adapted with the outer profile of 3 lower part of sand core is surrounded toward movable block 2 with cavity 4 to carry out penetrating sand system
Core obtains sand core 3, after opening upper core box, then by jacking up demoulding mechanism 5 automatically by sand core 3 and movable block 2 together from lower core
It is jacked up upwards in box 1, since the protrusion or sunk structure of 3 lower part of sand core engage with movable block 2, makes sand core 3 and movable block 2 simultaneously
Rise, then movable block 2 is slowly detached with sand core 3, and sand core 3 is made to complete demoulding, is realized automation coring production, is at the same time dropped
The labor intensity of low operator solves the problems, such as that complicated sand core structure coring in Foundry Production is difficult；Moreover, this hair
For bright scheme without designing complicated core box, mold is easy to use, is not required to cumbersome equipment interface design, efficient, coremaking essence
Degree is high；Gliding movement targeting structure is set in lower core box 1 and movable block 2, keeps movable block sliding steady, and can be along slide-and-guide
Structure slide downward is resetted, and reset is very accurate, also ensures that the making precision of sand core.
In the present embodiment, it includes being set to the pedestal 501 of 1 lower section of lower core box and being set on pedestal 501 to jack up demoulding mechanism 5
Some first mandrils 502 adaptable with the bottom surface of cavity 4 and second mandril 503 adaptable with the bottom surface of movable block 2, jack up
Demoulding mechanism 5 further includes the jacking system for driving pedestal 501 to move up and down, and is jacked up pedestal 501 by jacking system, the first top
Bar 502, the first mandril 502 jack up sand core 3 and movable block 2 upwards automatically.
In the present embodiment, movable block 2 is up big and down small inclined wedge-shaped structure, and the outer end face of movable block 2 is equipped with outward
The ramp structure compatible with the chamber of lower core box 1 being obliquely installed, movable block 2 deflection can slide outward in rising, and make activity
Block 2 is detached with sand core 3 automatically.
In the present embodiment, pedestal 501 is equipped with first hinged seat 504 hinged with the second mandril 503, movable block 2
Bottom is equipped with second hinged seat 505 hinged with the top of the second mandril 503, and the second mandril 503 is by pedestal 501 and movable block 2
It connects, acts simultaneously, be convenient for the vertical motion of stability contorting movable block 2, pass through the second hinged seat 504, the second hinged seat
505 realize be rotatably connected, constitute linkage rod slide block mechanism, movable block 2 outward deflection slide when, the second mandril 503 and first
It relatively rotates between hinged seat 504, the second hinged seat 505, keeps the sliding of movable block 2 more steady.
In the present embodiment, the first hinged seat 504 is arranged close to mandril 502, and the second mandril 503 connects the first hinged seat
504 and second hinged seat 505 and are in tilted layout, and the angle between the second mandril 503 and pedestal 501 is more than 70 °, is less than 80 °,
Anti- locking mechanism is locked, ensures that demoulding is smooth, ensures that the second mandril 503 tilts direction outward to the force direction of movable block 2,
It is approximately parallel to the plane of ramp structure, convenient for jacking up movable block 2.
In the present embodiment, gliding movement targeting structure includes that two be equipped in lower core box 1 are parallel to ramp structure setting
Guide rail structure 6, the both sides of movable block 2 are equipped with skewed slot 7 compatible with guide rail structure 6 to be made using guide rail structure 6 and skewed slot 7
Movable block 2 can slide steadily along the direction upward sliding of ramp structure, will not cause to collide to sand core 3 when jacking up；It completes
After demoulding work, movable block 2 also can be along guide rail structure 6,7 slide downward of skewed slot, and it is accurate to reset, and without artificial correction, ensures
3 casting accuracy of sand core.
In the present embodiment, guide rail structure 6 includes that the guide rail mounting blocks being detachably equipped in lower core box 1 and protrusion are set
It is placed in the guide rail of the inside of guide rail mounting blocks, bolt connection assembly is equipped between guide rail mounting blocks and lower core box 1.
In the present embodiment, the end face of sand core 3 is equipped with projective structure or sunk structure, the inner end of movable block 2 be equipped with
Projective structure or the compatible sunk structure of sunk structure or projective structure, movable block 2 are equipped with and the labyrinth on sand core 3
Compatible auxiliary mould structure, auxiliary mould structure can be detachably connected with movable block 2, be conveniently replaceable, make the present invention can
With the casting suitable for a variety of sand cores.
In the present embodiment, the lower part of the second mandril 503 is removably equipped with the connecting rod hinged with the first hinged seat 504
506；It is equipped with shaft between connecting rod 506 and the first hinged seat 504, is equipped with and turns between the second mandril 503 and the second hinged seat 505
Axis.
It the above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, do not taking off
Under the premise of from structure of the invention, several modifications and improvements can also be made, these all do not interfere with the effect that the present invention is implemented
And patent practicability.
Claims (10)
1. a kind of complicated core mold automatic demoulding mechanism of engine casting, including lower core box (1) and it is equipped in lower core box (1)
The adaptable cavity (4) with the outer profile of sand core (3) lower part, which is characterized in that in the cavity (4) of the lower core box (1) can on
Lower slider is equipped with movable block (2), and the movable block (2) surrounds with the cavity (4) and is adapted with the outer profile of sand core (3) lower part
Cavity, the lower section of the lower core box (1) is equipped with the jack-up demoulding mechanism that can jack up the movable block (2), sand core (3) upwards
(5), gliding movement targeting structure is equipped between the lower core box (1) and movable block (2).
2. a kind of complicated core mold automatic demoulding mechanism of engine casting according to claim 1, which is characterized in that institute
State jack up demoulding mechanism (5) include pedestal (501) below the lower core box (1) and be equipped on the pedestal (501) with
Adaptable the first mandril (502) in the bottom surface of cavity (4) and second mandril adaptable with the bottom surface of the movable block (2)
(503)。
3. a kind of complicated core mold automatic demoulding mechanism of engine casting according to claim 2, which is characterized in that institute
It is up big and down small inclined wedge-shaped structure to state movable block (2), the outer end face of the movable block (2) be equipped be inclined outwardly setting with
The compatible ramp structure of chamber of the lower core box (1).
4. a kind of complicated core mold automatic demoulding mechanism of engine casting according to claim 3, which is characterized in that institute
It states pedestal (501) and is equipped with first hinged seat (504) hinged with second mandril (503), the bottom of the movable block (2)
Equipped with second hinged seat (505) hinged with the top of second mandril (503).
5. a kind of complicated core mold automatic demoulding mechanism of engine casting according to claim 4, which is characterized in that institute
It states the first hinged seat (504) close to the mandril (502) to be arranged, second mandril (503) connects first hinged seat
(504) it and the second hinged seat (505) and is in tilted layout.
6. the complicated core mold automatic demoulding mechanism of a kind of engine casting according to claim 3 or 4 or 5, feature
It is, the gliding movement targeting structure is included in two be equipped in the lower core box (1) and is parallel to the ramp structure setting
The both sides of guide rail structure (6), the movable block (2) are equipped with the guide rail structure (6) compatible skewed slot (7).
7. a kind of complicated core mold automatic demoulding mechanism of engine casting according to claim 6, which is characterized in that institute
State that guide rail structure (6) is included in the guide rail mounting blocks being detachably equipped in the lower core box (1) and protrusion is set to guide rail peace
Fill the guide rail of the inside of block.
8. a kind of complicated core mold automatic demoulding mechanism of engine casting according to claim 1, which is characterized in that institute
The end face for stating sand core (3) is equipped with projective structure or sunk structure, and the inner end of the movable block (2) is equipped with and the projective structure
Or the compatible sunk structure of sunk structure or projective structure.
9. the complicated core mold automatic demoulding mechanism of a kind of engine casting according to claim 3 or 4 or 5, feature
It is, the lower part of second mandril (503) is removably equipped with the connecting rod (506) hinged with first hinged seat (504)；
Shaft, second mandril (503) and the second hinged seat (505) are equipped between the connecting rod (506) and the first hinged seat (504)
Between be equipped with shaft.
10. the complicated core mold automatic demoulding mechanism of a kind of engine casting according to Claims 2 or 3 or 4 or 5,
It is characterized in that, the demoulding mechanism (5) that jacks up further includes the jacking system that the driving pedestal (501) moves up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028552.8A CN108788026B (en) | 2018-09-05 | 2018-09-05 | Automatic demolding mechanism for complex sand core mold for engine casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028552.8A CN108788026B (en) | 2018-09-05 | 2018-09-05 | Automatic demolding mechanism for complex sand core mold for engine casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108788026A true CN108788026A (en) | 2018-11-13 |
| CN108788026B CN108788026B (en) | 2024-02-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811028552.8A Active CN108788026B (en) | 2018-09-05 | 2018-09-05 | Automatic demolding mechanism for complex sand core mold for engine casting |
Country Status (1)
| Country | Link |
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| CN (1) | CN108788026B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113145794A (en) * | 2021-04-29 | 2021-07-23 | 共享装备股份有限公司 | A can type pattern for large-scale cylinder body |
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|---|---|---|---|---|
| GB896017A (en) * | 1957-09-05 | 1962-05-09 | Nat Lead Co | Improvements in and relating to die-casting of metals |
| JP2010188640A (en) * | 2009-02-19 | 2010-09-02 | Technocrats Corp | Undercut processing mechanism |
| JP2011218704A (en) * | 2010-04-12 | 2011-11-04 | Technocrats Corp | Undercut processing mechanism |
| CN102847874A (en) * | 2011-06-28 | 2013-01-02 | 郧西精诚汽配有限公司 | Core box loose piece automatic mold release device |
| JP2013086119A (en) * | 2011-10-17 | 2013-05-13 | Honda Motor Co Ltd | Sand core forming mold extruding mechanism |
| CN204018658U (en) * | 2014-06-26 | 2014-12-17 | 北京新立机械有限责任公司 | A kind of ejecting mechanism of casting sand core |
| CN208840458U (en) * | 2018-09-05 | 2019-05-10 | 广西玉柴机器股份有限公司 | A kind of complicated core mold automatic demoulding mechanism of engine casting |
-
2018
- 2018-09-05 CN CN201811028552.8A patent/CN108788026B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB896017A (en) * | 1957-09-05 | 1962-05-09 | Nat Lead Co | Improvements in and relating to die-casting of metals |
| JP2010188640A (en) * | 2009-02-19 | 2010-09-02 | Technocrats Corp | Undercut processing mechanism |
| JP2011218704A (en) * | 2010-04-12 | 2011-11-04 | Technocrats Corp | Undercut processing mechanism |
| CN102847874A (en) * | 2011-06-28 | 2013-01-02 | 郧西精诚汽配有限公司 | Core box loose piece automatic mold release device |
| JP2013086119A (en) * | 2011-10-17 | 2013-05-13 | Honda Motor Co Ltd | Sand core forming mold extruding mechanism |
| CN204018658U (en) * | 2014-06-26 | 2014-12-17 | 北京新立机械有限责任公司 | A kind of ejecting mechanism of casting sand core |
| CN208840458U (en) * | 2018-09-05 | 2019-05-10 | 广西玉柴机器股份有限公司 | A kind of complicated core mold automatic demoulding mechanism of engine casting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113145794A (en) * | 2021-04-29 | 2021-07-23 | 共享装备股份有限公司 | A can type pattern for large-scale cylinder body |
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| Publication number | Publication date |
|---|---|
| CN108788026B (en) | 2024-02-09 |
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