CN208840458U - 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 PDF

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Publication number
CN208840458U
CN208840458U CN201821443555.3U CN201821443555U CN208840458U CN 208840458 U CN208840458 U CN 208840458U CN 201821443555 U CN201821443555 U CN 201821443555U CN 208840458 U CN208840458 U CN 208840458U
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CN
China
Prior art keywords
movable block
demoulding mechanism
mandril
core box
automatic demoulding
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Withdrawn - After Issue
Application number
CN201821443555.3U
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Chinese (zh)
Inventor
王浩
吕登红
傅显珍
许振冲
周梁坚
杨基
张俊
王于眀
江诚亮
范进钱
钟立坚
李展满
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Guangxi Yuchai Machinery Co Ltd
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Guangxi Yuchai Machinery Co Ltd
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Publication date
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Priority to CN201821443555.3U priority Critical patent/CN208840458U/en
Application granted granted Critical
Publication of CN208840458U publication Critical patent/CN208840458U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a kind of engines to cast complicated core mold automatic demoulding mechanism; the type chamber adaptable with the outer profile of sand core lower part is equipped with including lower core box and in lower core box; the type of the lower core box is intracavitary to be slided up and down equipped with movable block; the movable block and the type chamber surround the cavity being adapted with the outer profile of sand core lower part; 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 utility model it is reasonable in design, automatic demoulding when can satisfy casting, high-efficient, coremaking precision is high, low manufacture cost, mold is easy to use, it is not required to cumbersome equipment interface design, because components are less, mold working service is also very convenient, automation coring production may be implemented, reduce the labor intensity of operator at the same time.

Description

A kind of complicated core mold automatic demoulding mechanism of engine casting
Technical field
The utility model relates to casting technology fields, more specifically, it relates to which a kind of engine casts complicated sand core mould Has automatic demoulding mechanism.
Background technique
With the expansion of the duty of engine and performance and perfect, engine component becomes increasingly complex, especially engine The components 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 has two die sinking directions up and down, and this requires the die joint of sand core can only be a Zhang Lianxu 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 be opened 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 can use the mold-opening structure of four direction.
Another kind be by part can not de-molding position be made into loose piece, ejected together with sand core when molding, then again by artificial Take out loose piece.
The jacket core of the first scheme sand core such as body more special for structure, since there are sand cleaning hole knots for side Structure, it is necessary to it can be opened using four mold-opening structures, but for other sand cores, demoulding difficulty is only locally present, if using This structure can greatly increase the complexity of mold design, sharply promote the manufacturing cost and maintenance cost of mold.
Second scheme structure is simpler, but will increase the labor intensity of execute-in-place work, because after manually taking out loose piece It also needs manually to put back to mold again, can also have a significant impact to formation efficiency.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for the prior art, and the purpose of this utility model is Providing a kind of tune can be with automatic demoulding, and high-efficient, coremaking engine with high accuracy casts complicated core mold automatic demoulding machine Structure.
To achieve the above object, the utility model provides a kind of complicated core mold automatic demoulding machine of engine casting Structure is equipped with the type chamber adaptable with the outer profile of sand core lower part, the type chamber of the lower core box including lower core box and in lower core box Interior to slide up and down equipped with movable block, the movable block and the type chamber surround the chamber being adapted with the outer profile of sand core lower part Body, the lower section of the lower core box are equipped with the jack-up demoulding mechanism that can jack up the movable block, sand core upwards, the lower core box with Gliding movement targeting structure is equipped between movable block.
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 type chamber.
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 bevel 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 first mandril, second mandril connection described the It one hinged seat 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 bevel structure setting is stated, the two 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 It is set to the guide rail of the inside of guide rail mounting blocks out.
Further, an 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 jack-up demoulding mechanism further includes the jacking system for driving the pedestal to move up and down.
Beneficial effect
Compared with prior art, the engine of the utility model casts the beneficial effect of complicated core mold automatic demoulding mechanism Fruit is as follows:
(1), the present apparatus is structurally reasonable, automatic demoulding when can satisfy casting, high-efficient, and coremaking precision is high;
(2), this programme is compared to four mold-opening structures, and this programme structure is simple, and low manufacture cost, mold is easy to use, no Cumbersome equipment interface design is needed, because components are less, mold working service is also very convenient;
(3), compared to the mode for manually taking movable block, automation coring production may be implemented first, reduce at the same time The labor intensity of operator, due to using link mechanism, the reset of movable block is very accurate, also ensure that sand core Make precision.
Detailed description of the invention
Fig. 1 is the molding pre-structure assembly that the engine of the utility model casts complicated core mold automatic demoulding mechanism Figure;
Fig. 2 is the molding pre-structure schematic diagram that demoulding mechanism is jacked up in the utility model;
Fig. 3 is that the engine of the utility model casts Standard after the molding of complicated core mold automatic demoulding mechanism Figure;
Fig. 4 be in the utility model jack up demoulding mechanism molding after structural schematic diagram;
Fig. 5 is the molding pre-structure section view that the engine of the utility model casts complicated core mold automatic demoulding mechanism Figure;
Fig. 6 is that structure is cutd open during the engine of the utility model casts the molding of complicated core mold automatic demoulding mechanism View;
Fig. 7 is that the engine of the utility model casts structure section view after the molding of complicated core mold automatic demoulding mechanism Figure.
In figure: 1, lower core box;2, movable block;3, sand core;4, type chamber;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 embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical Novel protection scope is not limited by the specific implementation.
Specific embodiment of the present utility model is such that as shown in figs. 1-7, and a kind of engine casts complicated sand core mould Have automatic demoulding mechanism, the type chamber 4 adaptable with the outer profile of 3 lower part of sand core be equipped with including lower core box 1 and in lower core box 1, The substructure of sand core 3 is that can slide up and down into side protrusion or the type chamber 4 for the lower core box 1 that is recessed equipped with movable block 2, activity Block 2 and type chamber 4 surround the cavity being adapted with the outer profile of 3 lower part of sand core, and the lower section of lower core box 1 is equipped with can jack up work upwards The jack-up demoulding mechanism 5 of motion block 2, sand core 3 is equipped with gliding movement targeting structure between lower core box 1 and movable block 2;Core box is installed to In the core shooting equipment of corresponding model;The cavity being adapted with the outer profile of 3 lower part of sand core is surrounded with type chamber 4 toward movable block 2 to carry out Penetrate sand coremaking, obtain sand core 3, after opening upper core box, then by jack up demoulding mechanism 5 automatically by sand core 3 and movable block 2 together It is jacked up upwards out of lower core 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 activity Block 2 rises simultaneously, and then movable block 2 is slowly separated with sand core 3, and sand core 3 is made to complete demoulding, realizes automation coring production, with This labor intensity for reducing operator simultaneously solves the problems, such as that complicated sand core structure coring in Foundry Production is difficult;And And the embodiment of the utility model, without designing many and diverse core box, mold is easy to use, is not required to cumbersome equipment interface design, imitates Rate is high, and coremaking precision is high;Gliding movement targeting structure is set in lower core box 1 and movable block 2, keeps movable block sliding steady, Er Qieke To be resetted along gliding movement targeting structure slide downward, reset is very accurate, also ensures that the production precision of sand core.
In the present embodiment, jacking up demoulding mechanism 5 includes being set to the pedestal 501 of 1 lower section of lower core box and setting on pedestal 501 Some first mandrils 502 adaptable with the bottom surface of type chamber 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 outside The bevel structure compatible with the chamber of lower core box 1 being obliquely installed, movable block 2 rise in can outward deflection slide, make activity Block 2 is separated with sand core 3 automatically.
In the present embodiment, pedestal 501 is equipped with the first hinged seat 504 with the second mandril 503 hingedly, 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, moves at the same time, 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 the first mandril 502, and the second mandril 503 connection first is hinged Seat 504 and second and is in tilted layout at hinged seat 505, and the angle between the second mandril 503 and pedestal 501 is greater than 70 °, is less than 80 °, anti-locking mechanism is locked, guarantees demoulding smoothly, guarantees that the second mandril 503 tilts the force direction of movable block 2 outward It is directed toward, the plane of bevel structure is approximately parallel to, 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 bevel structure setting Guide rail structure 6, the two 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 bevel structure when jacking up, will not cause to collide to sand core 3;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, guarantees 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, an 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, and keep this practical new Type can be adapted for the casting of 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.
Above are merely preferred embodiments of the utility model, it should be pointed out that for those skilled in the art, Under the premise of not departing from the utility model structure, several modifications and improvements can also be made, it is practical new that these all will not influence this The effect and patent practicability that type is implemented.

Claims (10)

1. a kind of engine casts complicated core mold automatic demoulding mechanism, including lower core box (1) and it is equipped on lower core box (1) The adaptable type chamber (4) with the outer profile of sand core (3) lower part, which is characterized in that in the type chamber (4) of the lower core box (1) can on Lower slider is equipped with movable block (2), and the movable block (2) and the type chamber (4) surround and be 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 engine according to claim 1 casts complicated core mold automatic demoulding mechanism, which is characterized in that institute State jack up demoulding mechanism (5) include be set to lower core box (1) below pedestal (501) and be equipped on the pedestal (501) with Adaptable the first mandril (502) in the bottom surface of type chamber (4) and second mandril adaptable with the bottom surface of the movable block (2) (503)。
3. a kind of engine according to claim 2 casts complicated core mold automatic demoulding mechanism, which is characterized in that institute Stating movable block (2) is up big and down small inclined wedge-shaped structure, the outer end face of the movable block (2) be equipped be inclined outwardly setting with The compatible bevel structure of chamber of the lower core box (1).
4. a kind of engine according to claim 3 casts complicated core mold automatic demoulding mechanism, 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 hinged the second hinged seat (505) in the top with second mandril (503).
5. a kind of engine according to claim 4 casts complicated core mold automatic demoulding mechanism, which is characterized in that institute It states the first hinged seat (504) to be arranged close to first mandril (502), the second mandril (503) connection described first is hinged It seat (504) and the second hinged seat (505) and is in tilted layout.
6. a kind of complicated core mold automatic demoulding mechanism of engine casting, feature according to claim 3 or 4 or 5 It is, the gliding movement targeting structure is included in two be equipped in the lower core box (1) and is parallel to the bevel structure setting The two 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 engine according to claim 6 casts complicated core mold automatic demoulding mechanism, which is characterized in that institute Stating guide rail structure (6) includes that the guide rail mounting blocks being detachably equipped in the lower core box (1) and protrusion are set to guide rail peace Fill the guide rail of the inside of block.
8. a kind of engine according to claim 1 casts complicated core mold automatic demoulding mechanism, 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. a kind of engine according to claim 4 or 5 casts complicated core mold automatic demoulding mechanism, feature exists In the lower part of second mandril (503) is removably equipped with the connecting rod (506) hinged with first hinged seat (504);Institute State and be equipped with shaft between connecting rod (506) and the first hinged seat (504), second mandril (503) and the second hinged seat (505) it Between be equipped with shaft.
10. a kind of complicated core mold automatic demoulding mechanism of engine casting according to Claims 2 or 3 or 4 or 5, It is characterized in that, jack-up demoulding mechanism (5) further includes the jacking system for driving the pedestal (501) to move up and down.
CN201821443555.3U 2018-09-05 2018-09-05 A kind of complicated core mold automatic demoulding mechanism of engine casting Withdrawn - After Issue CN208840458U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821443555.3U CN208840458U (en) 2018-09-05 2018-09-05 A kind of complicated core mold automatic demoulding mechanism of engine casting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821443555.3U CN208840458U (en) 2018-09-05 2018-09-05 A kind of complicated core mold automatic demoulding mechanism of engine casting

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Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108788026A (en) * 2018-09-05 2018-11-13 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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108788026A (en) * 2018-09-05 2018-11-13 广西玉柴机器股份有限公司 A kind of complicated core mold automatic demoulding mechanism of engine casting
CN108788026B (en) * 2018-09-05 2024-02-09 广西玉柴机器股份有限公司 Automatic demolding mechanism for complex sand core mold for engine casting

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Granted publication date: 20190510

Effective date of abandoning: 20240209

AV01 Patent right actively abandoned

Granted publication date: 20190510

Effective date of abandoning: 20240209