CN203541499U - Casting and demolding device for large casting - Google Patents

Casting and demolding device for large casting Download PDF

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Publication number
CN203541499U
CN203541499U CN201320756938.7U CN201320756938U CN203541499U CN 203541499 U CN203541499 U CN 203541499U CN 201320756938 U CN201320756938 U CN 201320756938U CN 203541499 U CN203541499 U CN 203541499U
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China
Prior art keywords
casting
cylinder
body frame
mould
crane
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Expired - Lifetime
Application number
CN201320756938.7U
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Chinese (zh)
Inventor
吕登红
刘毅
林铭
谢永泽
傅显珍
许振冲
马国胜
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Guangxi Yuchai Machinery Co Ltd
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Guangxi Yuchai Machinery Co Ltd
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Priority to CN201320756938.7U priority Critical patent/CN203541499U/en
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Abstract

The utility model discloses a casting and demolding device for a large casting. The casting and demolding device for the large casting comprises a main frame and an elevator, wherein the main frame is rectangular, a placing platform for fixing a mold is arranged at the upper end of the main frame, an air cylinder fixing rack is arranged at the middle position close to the bottom end, the fixed end of an air cylinder is fixed on the air cylinder fixing rack, the elevator is fixed at the moving end of the air cylinder and driven by the air cylinder to perform vertical motion at the middle position of the main frame, and an ejection rod for ejecting a sand box is arranged at the upper end of the elevator. The casting and demolding device achieves automatic demolding and is high in efficiency. In addition, the mold can be changed in material and structure, the mold accuracy and quality are high, and the casting shape and the dimensional accuracy are further ensured.

Description

The casting stripper apparatus of heavy castings
Technical field
The utility model relates to casting field, particularly a kind of casting stripper apparatus of heavy castings.
Background technology
Body, the oil sump of large diesel engine generally adopt casting, and due to its profile overlength, superelevation, natural volume is very huge, and the fluctuating of the shape of these foundry goods profiles differs greatly.For the ease of the demoulding, the material of casting mould adopts timber substantially, and mould structure adopts spells the combination of inserting of formula mutually, and the wooden model of the mould shape and structure of inserting is generally completed by hand by wooden model technician, and when the demoulding, the several workmans of needs carry out the manual piecemeal demoulding simultaneously.
In above-mentioned knockout course, huge because of foundry goods, can not be alone to operate, must several individuals operate together, and these people's technical merit to approach, during work, want good teamwork, labour intensity is large, and productivity ratio is low; Because needs manually beat mould, make it separation with core, easily cause butterfly-shaped shortbread, increase repair procedure, cause the inaccuracy of model, increased workman's workload simultaneously; In addition, owing to adopting hand ejection, limited the material of mould.This heavy castings mould adopts timber, brings again other technologies problem, because mould is by making by hand, and its poor surface smoothness, dimensional accuracy error is large; The rigidity of timber own and intensity are poor, and the water suction of easily getting damp, and in mould use procedure, mould is easily out of shape, easy to wear, cause mould and die accuracy to reduce, and useful life is short.
Utility model content
The utility model is in order to overcome defect in above-mentioned prior art, and a kind of casting stripper apparatus of heavy castings is provided, and the demoulding realizes automation, efficiency is high, material and the structure that can change mould simultaneously, mould and die accuracy and quality are high, and then guarantee foundry goods shape and dimensional accuracy.
For achieving the above object, the utility model provides a kind of casting stripper apparatus of heavy castings, comprising: body frame, it is rectangular frame, be provided with in the top the mounting table of fixed mould, the middle part at it near bottom is provided with cylinder fixed mount, and the stiff end of cylinder is fixed on cylinder fixed mount; Crane, it is fixed on the movable end of cylinder and moves up and down in body frame middle part by the driving of cylinder, is provided with the push rod of jack-up sandbox in the upper end of crane.
In technique scheme, at body frame top right-angle side, be respectively equipped with dismountable baffle plate of stoping mould to come off of being used for.
In technique scheme, on body frame, be provided with valve member, valve member comprise the first joint of connecting with workshop plenum system, with logical the second joint of cylinder intake termination and the 3rd joint of connecting with cylinder outlet side.
In technique scheme, valve member is provided with muffler.
In technique scheme, body frame and/or crane are welded by shaped steel.
Compared with prior art, the utlity model has following beneficial effect: by design crane, under the driving of cylinder, on body frame, move, to mold releasability, provide stable knockout press, the material selection of mould is unrestricted; Cylinder is controlled flexibly, and mold releasability is realized automation, reduces labour intensity, raises the efficiency; In knockout course, avoid sand mold butterfly-shaped shortbread, reduce the type work of repairing, improve the yield rate of moulding.
Accompanying drawing explanation
Fig. 1 is the casting stripper apparatus front view of the utility model heavy castings;
Fig. 2 is the casting stripper apparatus top view of the utility model heavy castings;
Fig. 3 is body frame front view in the utility model;
Fig. 4 is body frame right view in the utility model;
Fig. 5 is crane front view in the utility model;
Fig. 6 is crane right view in the utility model;
Fig. 7 utilizes the utility model to carry out the view of the demoulding.
The specific embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of the specific embodiment.
The casting stripper apparatus of heavy castings of the present utility model is not easy the demoulding and designs mainly for heavy foundry goods, both facilitated the smooth demoulding, assurance core is intact, and mould can adopt metal material, improve mould structure, by spelling mutually formula structure, make monoblock type into, make Mould Machining easy, and guarantee quality and the precision of mould, improve the service life of mould.This apparatus structure is simple, practical, easy to operate, with low cost.
As shown in Figure 1 to Figure 2, the casting stripper apparatus of the heavy castings that the present embodiment provides comprises: body frame 1 and crane 3, body frame 1 is rectangular frame structure, it adopts 8# channel-section steel and Plate Welding to process, in body frame 1 upper end, be provided with the mounting table 11 of fixed mould, mounting table 11 is protruding slab construction, it can be welded on the frame upper surface of body frame 1, generally be located at four corners, also can be located at the middle part of framework upper junction plate, this position arranges mounting table 11 can play reinforcement effect to the connecting plate of body frame 1 simultaneously.At body frame 1, near the middle part of bottom, be provided with cylinder fixed mount 12, the stiff end of cylinder 2 is fixed on cylinder fixed mount 12.Crane 3 is fixed on the movable end of cylinder 2, and cylinder 2 can drive crane 3 to move up and down in the middle part of body frame 1, crane 3 upper end be provided with the push rod 31 of jack-up sandbox.The work of cylinder 2 is subject to the control of valve member 4, valve member 4 is located on body frame 1, valve member 4 comprise the first joint (unmarked in figure) of connecting with workshop plenum system, with logical the second joint (unmarked in figure) of cylinder intake termination and the 3rd joint (unmarked in figure) of connecting with cylinder outlet side, simultaneously, on valve member 4, be provided with muffler (unmarked in figure), above-mentioned valve member and muffler belong to existing equipment, on market, buy.
As shown in Figures 3 and 4, above-mentioned cylinder fixed mount 12 is located at the middle part, bottom of body frame 1 by crossbeam, cylinder fixed mount 12 main bodys are the disk with through hole 122, be provided with screw hole be used for installing cylinder 2 in disk perimeter, and cylinder 2 is arranged on disk through through hole 122.In order to reinforce the fastness of body frame 1, between the upper lower connecting plate of body frame 1, weld stiffener 14(referring to Fig. 4).On mounting table 11, during fixed mould, in order to prevent coming off of mould, on the top of body frame 1, corner is provided with baffle plate 13, and baffle plate 13 is 8, utilizes screw to be arranged on four right-angle sides of body frame 1, and baffle plate 13 can be according to the big or small choice for use of concrete mould.
As shown in Figures 5 and 6, crane 3 is welded for channel-section steel, particularly, in four ends of two channel-section steels that are parallel to each other, be provided with push rod 31 installing holes 311, push rod 31 one end are provided with bolt, push rod 31 is arranged in installing hole 311 (referring to Fig. 1) by bolt, between the channel-section steel that two are parallel to each other, be provided with two parallel horizontal channel-section steels, on each horizontal channel-section steel, be provided with two lugs 32, lug 32 is provided with the installing hole 321 being fixedly connected with the movable end of cylinder 2, and crane 3 is bolted on the movable end (referring to Fig. 1) of cylinder 2.
As shown in Figure 7, the course of work of this stripper apparatus is, mould 5 is placed on by die bottom plate on the mounting table 11 of body frame 1, and fastening with body frame 1, above mould 5, place bushing 6, bushing 6 is movable, and push rod 31 end faces in crane 3 contact and support bushing 6 with the bottom surface of bushing 6 and do not move down, then on bushing 6, place sandbox 7, in sandbox 7, complete moulding.While needing the demoulding, starter gate valve door assembly is controlled cylinder 2, and air inlet pipe enters duty, and air-flow enters cylinder by air inlet pipe, cylinder is under the driving of air pressure, cylinder rises, and crane 3 is followed the rising of cylinder 2 and moved up, and the push rod 31 that is arranged on crane 3 is followed and moved up, the bushing 6 contacting with push rod 31 is followed and is moved up, bushing 6 holds up sandbox and moves up, when push rod 31 ejects certain distance bushing 6, and bushing and sandbox break away from moulds.When escape pipe enters duty, the air-flow in cylinder flows out by escape pipe, and cylinder 2 is under the situation without air pressure, and cylinder 2 declines and restores, and crane 5, push rod 31,6 bushings and sandbox 7 are also followed and declined and restore, and bushing 6 is close together again with mould 5.Like this, along with moving up and down of cylinder 2, bushing 6 and sandbox 7 carry out the motion repeatedly of the demoulding and matched moulds with mould 5.
This device, by body frame 1, crane 3 and cylinder 2 are set, only needs one man operation, and startup valve just can complete the operation of mold releasability automatically, and at the bottom of labour intensity, efficiency is high; Stabilizer cylinder drives, and avoids sand mold butterfly-shaped shortbread, reduces the type work of repairing, and improves the yield rate of moulding, guarantees the quality of sand mold.In addition, utilize the knockout press of this stripper apparatus, mould 5 can adopt metal pattern, and naturally, metal pattern is compared with wooden model, the shape of metal pattern is processed by Digit Control Machine Tool, guaranteed the shape of foundry goods, the precision of size, metal pattern rigidity and intensity are high, indeformable, wear-resisting, the to improve mould life-span.
Disclosed is above only specific embodiment of the utility model, and still, the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.

Claims (5)

1. a casting stripper apparatus for heavy castings, is characterized in that, comprising:
Body frame, it is rectangular frame, is provided with in the top the mounting table of fixed mould, and the middle part at it near bottom is provided with cylinder fixed mount, and the stiff end of cylinder is fixed on described cylinder fixed mount;
Crane, it is fixed on the movable end of described cylinder and moves up and down in described body frame middle part by the driving of described cylinder, is provided with the push rod of jack-up sandbox in the upper end of described crane.
2. the casting stripper apparatus of heavy castings according to claim 1, is characterized in that, at described body frame top right-angle side, is respectively equipped with dismountable baffle plate of stoping mould to come off of being used for.
3. the casting stripper apparatus of heavy castings according to claim 1, it is characterized in that, on described body frame, be provided with valve member, described valve member comprise the first joint of connecting with workshop plenum system, with logical the second joint of cylinder intake termination and the 3rd joint of connecting with cylinder outlet side.
4. the casting stripper apparatus of heavy castings according to claim 3, is characterized in that, described valve member is provided with muffler.
5. according to the casting stripper apparatus of the arbitrary described heavy castings of claim 1 to 4, it is characterized in that, described body frame and/or described crane are welded by shaped steel.
CN201320756938.7U 2013-11-26 2013-11-26 Casting and demolding device for large casting Expired - Lifetime CN203541499U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320756938.7U CN203541499U (en) 2013-11-26 2013-11-26 Casting and demolding device for large casting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320756938.7U CN203541499U (en) 2013-11-26 2013-11-26 Casting and demolding device for large casting

Publications (1)

Publication Number Publication Date
CN203541499U true CN203541499U (en) 2014-04-16

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CN201320756938.7U Expired - Lifetime CN203541499U (en) 2013-11-26 2013-11-26 Casting and demolding device for large casting

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105458232A (en) * 2015-12-25 2016-04-06 重庆唐森机械制造有限公司 Demoulding device used for manufacturing energy-saving pot
CN105458231A (en) * 2015-12-25 2016-04-06 重庆唐森机械制造有限公司 Device for producing energy-saving pot
CN107127294A (en) * 2017-05-03 2017-09-05 陆丽宁 Dismountable casting mould

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105458232A (en) * 2015-12-25 2016-04-06 重庆唐森机械制造有限公司 Demoulding device used for manufacturing energy-saving pot
CN105458231A (en) * 2015-12-25 2016-04-06 重庆唐森机械制造有限公司 Device for producing energy-saving pot
CN107127294A (en) * 2017-05-03 2017-09-05 陆丽宁 Dismountable casting mould
CN107127294B (en) * 2017-05-03 2019-04-12 苏州昀灏精密模具有限公司 Dismountable casting mould

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