CN208644010U - Shell mould mould assembly positioning leak-proof fastening structure - Google Patents

Shell mould mould assembly positioning leak-proof fastening structure Download PDF

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Publication number
CN208644010U
CN208644010U CN201820980746.7U CN201820980746U CN208644010U CN 208644010 U CN208644010 U CN 208644010U CN 201820980746 U CN201820980746 U CN 201820980746U CN 208644010 U CN208644010 U CN 208644010U
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shell
fastening
lifting
hole
cope
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CN201820980746.7U
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纪汉成
张建华
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Liyang City Lianhua Machinery Manufacturing Co Ltd
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Liyang City Lianhua Machinery Manufacturing Co Ltd
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Abstract

The utility model discloses a kind of shell mould mould assembly positioning leak-proof fastening structures, including cope shell, drag sheel and bolt stud fasten hanging apparatus, cope shell and drag sheel periphery are equipped with the corresponding fastening protrusion of at least two, the fastening protrusion is equipped with the corresponding fastening through-hole of at least two, cope shell and drag sheel periphery are symmetrically arranged with 2 corresponding lifting boss, the lifting boss is equipped with 2 corresponding lifting through-holes, along the fastening through-hole of cope shell die joint, it lifts through-hole edge and is equipped with mesoporous positioning protrusion, along the fastening through-hole of drag sheel die joint, lifting through-hole edge is equipped with the mesoporous location dimples positioned with cope shell, in each through-hole of the fastening protrusion, cope shell and the positioning of drag sheel mould assembly are fastened by bolt, in each through-hole of the lifting boss, by the stud with hanging ring by cope shell and lower casing The positioning of type mould assembly fastens and lifts transport.The fastening structure, mould assembly accurate positioning, mould assembly fastening are reliable.

Description

Shell mould mould assembly positioning leak-proof fastening structure
Technical field
The utility model belongs to Shell Casting Technology field, and in particular to a kind of shell mould mould assembly positioning leak-proof fastening structure.
Background technique
Shell moulded casting is a kind of sand mould casting method of precision, it is sand in coating phenolic resin to be heating and curing or cold core Box sand aerating solidification, on metal form formed certain thickness (general 6-12mm) shell shell mould, reach required for intensity and Rigidity.Sand core is placed in shell mould, upper and lower two panels shell mould bolt or clamp assembly mould assembly constitute casting mold.
Automobile turbocharger turbine case casting structure is complex, is in single, double runner three-dimension curved surface streamline construction, weight Several kilograms to tens kilograms, the main wall thickness 4-5mm of volute, and wall thickness became uneven, thermal center lug is more, cast(ing) surface and inherent matter Amount requires height, and dimensional accuracy is high, is not allow for any casting flaw.So proper using shell mold process.Other works The productions such as journey machinery such as pump valve, hydraulic part, crankshaft batch is larger, dimension precision requirement is high, the thin and complex-shaped various conjunctions of wall Golden casting is also suitable for shell moulded casting production method.
In shell moulded casting design production process, general shell arrangement is mostly a mould four or one-mold multiple-member, the ruler of shell mould Very little and mould assembling weight is larger (30-60Kg).In the production of mass industrialization production line, the mould assembly fastening of shell mould is generally using more A bolt fastening, but the bolt fastening hole edge of shell mould die joint is in die joint, and fastening performance is smaller, if upper drag sheel closes Type positioning fastening is not in place, and casting can generate dimensional discrepancy, and leakage type phenomenon can occur for shell mould when casting, and casting is caused to be scrapped, and Fastening bolt glues iron and is difficult to recycle.Therefore it needs to improve the positioning fastening structure of existing shell mould.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of shell mould mould assembly positioning leak-proof fastening knot Structure improves the fastening performance of shell mould mould assembly, meets mass industrialization production line needs.
In order to solve the above technical problems, the technical solution of the utility model are as follows:
The shell mould mould assembly positioning leak-proof fastening structure, including cope shell, drag sheel and bolt fastening, lifting stud fitting, Cope shell and drag sheel periphery are equipped with the corresponding fastening protrusion of at least two, cope shell, drag sheel fastening protrusion be equipped with The corresponding fastening through-hole of at least two, cope shell and drag sheel periphery are symmetrically arranged with 2 corresponding lifting boss, upper casing Type, drag sheel lifting boss be equipped with 2 corresponding lifting through-holes, along the cope shell die joint fastening through-hole, hang Fill through-hole edge be equipped with mesoporous positioning protrusion, along the drag sheel die joint fastening through-hole, lifting through-hole edge be equipped with it is upper The corresponding mesoporous location dimples of shell mould, cope shell, the fastening protrusion of drag sheel each through-hole in, by fastening bolt by upper casing Type and drag sheel mould assembly fasten, cope shell, the lifting boss of drag sheel each through-hole in, pass through the lifting stud for having hanging ring Cope shell and drag sheel mould assembly are fastened and lift transport.
Preferably, the cope shell, the lifting boss of drag sheel and lifting through-hole are along the center of the cope shell, drag sheel It is symmetrical.
Preferably, the fastening through-hole for lifting through-hole and being greater than the cope shell, drag sheel of the cope shell, drag sheel.
Preferably, the cope shell and drag sheel mould assembly use lifting stud diameter to be greater than the cope shell and drag sheel mould assembly With fastening bolt diameter.
Preferably, one end that the cope shell and drag sheel mould assembly use lifting stud upward is equipped with laterally disposed cylindrical steel Pipe pendant.
Preferably, cope shell die joint edge is equipped with long and narrow strip projected parts, corresponding drag sheel die joint Edge is equipped with long and narrow strip pit.
Compared with prior art, the utility model has the beneficial effects that
The shell mould mould assembly positioning leak-proof fastening structure, the fastening being equipped with by upper drag sheel, lifting boss and in contrast The positioning protrusion with mesoporous, the location dimples that the upper drag sheel die joint answered is equipped with are set there are also upper drag sheel die joint edge Multiple long and narrow strip projected parts, the long and narrow strip pit having, bolt stud fasten lifting part etc., and upper drag sheel mould assembly is positioned and is fastened Lifting.The positioning leak-proof fastening structure, mould assembly accurate positioning, mould assembly fastening is reliable, substantially increases the fastening performance of shell mould, has Effect prevents shell mould casting-up leakage type phenomenon, ensure that casting dimension accuracy.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the shell mould mould assembly positioning leak-proof fastening structure.
Fig. 2 is local fastening structure amplification disassembled view at the A of Fig. 1.
Fig. 3 is local hoisting structure amplification disassembled view at the B of Fig. 1.
Fig. 4 is the one attached view of cope shell type chamber of embodiment.
Fig. 5 is the one attached view of drag sheel type chamber of embodiment.
Fig. 6 is the two attached view of cope shell type chamber of embodiment.
Fig. 7 is the two attached view of drag sheel type chamber of embodiment.
Wherein, 1-cope shell, 11-fastening protrusions, 12-fastening through-holes, 13-lifting boss, 14-lifting through-holes, 15-mesoporous positioning protrusion, 16-positioning protrusion, 17-long and narrow strip projected parts, 2-drag sheels, 21-fastening protrusions, 22-are tightly Gu through-hole, 23-lifting boss, 24-lifting through-holes, 25-mesoporous location dimples, 26-location dimples, 27-long and narrow strips are recessed Hole, 3-fastening bolts, 4-lifting studs, 5-hanging rings, 6-sand cores.
Specific embodiment
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment one:
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, shell mould mould assembly positioning leak-proof fastening structure, four chamber of a mould, including upper casing Type (1), drag sheel (2) and fastening bolt (3), lifting stud (4) device, cope shell (1) and drag sheel (2) periphery are equipped with 2 The fastening protrusion (11) of a corresponding cope shell (1) and the fastening protrusion (21) of drag sheel (2), the fastening of cope shell (1) are convex The fastening protrusion (21) of platform (11) and drag sheel (2) is equipped with the fastening through-hole (12) and lower casing of 2 corresponding cope shells (1) The fastening through-hole (22) of type (2), cope shell (1) and drag sheel (2) periphery are symmetrically arranged with 2 corresponding cope shells (1) Lift the lifting boss (23) of boss (13) and drag sheel (2), the lifting boss (13) of cope shell (1) and hanging for drag sheel (2) It fills boss (23) and is equipped with the lifting through-hole (14) of 2 corresponding cope shells (1) and the lifting through-hole (24) of drag sheel (2), 4 mesoporous positioning protrusion (15) are equipped with along the fastening through-hole (12) of cope shell (1) die joint, lifting through-hole (14) edge, under The fastening through-hole (22) of shell mould (2) die joint, lifting through-hole (24) edge are equipped with 4 mesoporous positioning corresponding with cope shell (1) Pit (25) is equipped with 6 long and narrow strip projected parts (17), corresponding drag sheel (27) along cope shell (1) die joint edge Die joint edge is equipped with 6 long and narrow strip pits (27).
The lifting boss (13) of cope shell (1), the lifting boss (23) of lifting through-hole (14) and drag sheel (2), lifting Through-hole (24) is distributed along the central symmetry of the cope shell (1), drag sheel (2), is transported convenient for the lifting of shell mould casting mold.
Cope shell (1) both can have been closed precisely by mesoporous positioning protrusion (15) with mesoporous location dimples (25) with drag sheel (2) Type positioning, and firm leakproof can be fastened.
In each through-hole of the fastening protrusion (21) of the fastening protrusion (11) and drag sheel (2) of cope shell (1), pass through fastening Bolt (3) fastens cope shell (1) and drag sheel (2) mould assembly, in the lifting boss (13) and drag sheel (2) of cope shell (1) It is by the lifting stud (4) with hanging ring that cope shell (1) and drag sheel (2) mould assembly is tight in each through-hole for lifting boss (23) Gu and hoisting transportation.
Embodiment two:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6, Fig. 7, shell mould mould assembly positioning leak-proof fastening structure, four chamber of a mould, including upper casing Type (1), drag sheel (2) and fastening bolt (3), lifting stud (4) device, cope shell (1) and drag sheel (2) periphery are equipped with 4 The fastening protrusion (11) of a corresponding cope shell (1) and the fastening protrusion (21) of drag sheel (2), the fastening of cope shell (1) are convex The fastening protrusion (21) of platform (11) and drag sheel (2) is equipped with the fastening through-hole (12) and lower casing of 4 corresponding cope shells (1) The fastening through-hole (22) of type (2), cope shell (1) and drag sheel (2) periphery are symmetrically arranged with 2 corresponding cope shells (1) Lift the lifting boss (23) of boss (13) and drag sheel (2), the lifting boss (13) of cope shell (1) and hanging for drag sheel (2) It fills boss (23) and is equipped with the lifting through-hole (14) of 2 corresponding cope shells (1) and the lifting through-hole (24) of drag sheel (2), 6 mesoporous positioning protrusion (15) are equipped with along the fastening through-hole (12) of cope shell (1) die joint, lifting through-hole (14) edge, under The fastening through-hole (22) of shell mould (2) die joint, lifting through-hole (24) edge are equipped with 6 mesoporous positioning corresponding with cope shell (1) Pit (25) is equipped with 8 long and narrow strip projected parts (17), corresponding drag sheel (27) along cope shell (1) die joint edge Die joint edge is equipped with 8 long and narrow strip pits (27).
The lifting boss (13) of cope shell (1), the lifting boss (23) of lifting through-hole (14) and drag sheel (2), lifting Through-hole (24) is distributed along the central symmetry of the cope shell (1), drag sheel (2), is transported convenient for the lifting of shell mould casting mold.
In addition, adding 3 precise positioning protrusions (16), corresponding drag sheel (2) along cope shell (1) die joint Die joint adds 3 precise positioning pits (26).
Cope shell (1) and drag sheel (2) are accurate with 3 precise positioning pits (26) by 3 precise positioning protrusions (16) Mould assembly positioning, assists 6 mesoporous positioning protrusion (15) and 6 mesoporous location dimples (25) in addition, fastens mould assembly more.
In each through-hole of the fastening protrusion (21) of the fastening protrusion (11) and drag sheel (2) of cope shell (1), pass through fastening Bolt (3) fastens cope shell (1) and drag sheel (2) mould assembly, in the lifting boss (13) and drag sheel (2) of cope shell (1) It is by the lifting stud (4) with hanging ring that cope shell (1) and drag sheel (2) mould assembly is tight in each through-hole for lifting boss (23) Gu and hoisting transportation.
In the present embodiment one, two, cope shell (1), drag sheel (2) use cold core shell mould or hot core-shell-type, and inner cavity sand core is adopted With high-intensitive film covered sand core.
In above-described embodiment, the lifting through-hole (14) of cope shell (1) and the lifting through-hole (24) of drag sheel (2) are Ф 16mm, the fastening through-hole (12) of cope shell (1) and the fastening through-hole (22) of drag sheel (2) are Ф 12mm.
In above-described embodiment, cope shell (1) and drag sheel (2) mould assembly lifting bolt (4) diameter selection Ф 14mm, upper casing Type (1) and drag sheel (2) mould assembly fastening bolt (3) diameter selection Ф 10mm, guarantee shell mould mould assembly fastening strength, guarantee shell mould Mould assembly casting mold lifts intensity.
In above-described embodiment, the hanging ring of cope shell (1) and drag sheel (2) mould assembly upward one end of lifting stud (4) (5) by a Duan Changwei 30-40mm, diameter is that the steel pipe of Ф 20mm is formed, and facilitates production, is transported convenient for the lifting of shell mould casting mold.
In above-described embodiment, cope shell (1) uses multiple fastening protrusions (11), corresponding, and drag sheel (2) is using more A fastening protrusion (21), the mesoporous positioning protrusion (15) having on the lifting boss (13) of cope shell (1) are hung with drag sheel (2) The mesoporous location dimples (25) that have on dress boss (23), shell mould mould assembly accurate positioning, in addition the long and narrow strip projected parts of shell mould (17), Long and narrow strip pit (27) sealing, shell mould mould assembly fit sealing performance is good, ensure that casting dimension accuracy, effectively prevents shell Type casting-up leakage type phenomenon.
Prepare cope shell (1), drag sheel (2), inner cavity sand core (6), fastening bolt (3), lifting stud (4), pneumatic screw Specific purpose tool and sprue cup etc..
On mass production line, cope shell (1), drag sheel (2) type chamber are sprayed coat respectively first, and entered logical Cross the drying of formula drying oven;It is manually placed into each chamber sand core (6) in drag sheel (2), along drag sheel (2) die joint edge and narrow Shape pit (27) plays joint sealing glue, positions mould assembly;It is then convex in the fastening of the fastening protrusion (11) and drag sheel (2) of cope shell (1) Fastening bolt (3) are packed into platform (21), the fastening through-hole (12) of cope shell (1) and the fastening through-hole (22) of drag sheel (2);Upper The lifting boss (13) of shell mould (1) and the lifting boss (23) of drag sheel (2), the lifting through-hole (14) and lower casing of cope shell (1) Lifting stud (4) is packed into the lifting through-hole (24) of type (2);It is criticized using pneumatic screw by fastening bolt (3), lifting stud (4) It screws, installs sprue cup etc. additional on cope shell (1), the mould assembly fastening process of shell mould is rapidly completed, then pass through 2 lifting studs (4) shell mould casting mold is transported to the specified casting station of assembly line by hanging ring (5).
The above content is only to the utility model structure example and explanation, and affiliated those skilled in the art comes It says, without departing from the concept of the present invention, various modifications and improvements can be made, these belong to this reality With novel protection scope.

Claims (6)

1. shell mould mould assembly positioning leak-proof fastening structure, including cope shell (1), drag sheel (2) and fastening bolt (3), lifting stud (4) device, the cope shell (1) and drag sheel (2) periphery are equipped with the fastening protrusion of the corresponding cope shell of at least two (1) (11) and the fastening protrusion (21) of drag sheel (2), the fastening of the fastening protrusion (11) and drag sheel (2) of the cope shell (1) are convex Platform (21) is equipped with the fastening through-hole (12) of the corresponding cope shell of at least two (1) and the fastening through-hole (22) of drag sheel (2), Cope shell (1) and drag sheel (2) periphery be symmetrically arranged with the corresponding cope shell of at least two (1) lifting boss (13) and under The lifting boss (23) of shell mould (2), on the lifting boss (13) of the cope shell (1) and the lifting boss (23) of drag sheel (2) The lifting through-hole (24) of lifting through-hole (14) and drag sheel (2) equipped with the corresponding cope shell of at least two (1), on described The fastening through-hole (12) of shell mould (1) die joint, lifting through-hole (14) edge are equipped with mesoporous positioning protrusion (15), along the drag sheel (2) fastening through-hole (22) of die joint, lifting through-hole (24) edge are equipped with mesoporous location dimples corresponding with cope shell (1) (25), in each through-hole of the fastening protrusion (21) of the fastening protrusion (11) and drag sheel (2) of cope shell (1), by fastening spiral shell Bolt (3) fastens cope shell (1) and the positioning of drag sheel (2) mould assembly, in the lifting boss (13) and drag sheel (2) of cope shell (1) Lifting boss (23) each through-hole in, cope shell (1) and drag sheel (2) are closed by the lifting stud (4) with hanging ring (5) Type positioning fastening and hoisting transportation.
2. shell mould mould assembly positioning leak-proof fastening structure according to claim 1, it is characterised in that: the cope shell (1) Boss (13), the lifting boss (23) of lifting through-hole (14) and drag sheel (2), lifting through-hole (24) are lifted along the cope shell (1), the central symmetry distribution of drag sheel (2).
3. shell mould mould assembly positioning leak-proof fastening structure according to claim 1, it is characterised in that: the cope shell (1) The lifting through-hole (24) of lifting through-hole (14) and drag sheel (2) is greater than the fastening through-hole (12) and drag sheel of the cope shell (1) (2) fastening through-hole (22).
4. shell mould mould assembly positioning leak-proof fastening structure according to claim 1, it is characterised in that: the cope shell (1) with Drag sheel (2) mould assembly lifting stud (4) diameter is greater than the cope shell (1) and drag sheel (2) mould assembly fastening bolt (3) is straight Diameter.
5. shell mould mould assembly positioning leak-proof fastening structure according to claim 1, it is characterised in that: the cope shell (1) with Drag sheel (2) mould assembly is equipped with laterally disposed cylinder steel pipe hanging ring (5) with the upward one end of lifting stud (4).
6. shell mould mould assembly positioning leak-proof fastening structure according to claim 1, it is characterised in that: the cope shell (1) point Type face edge is equipped with multiple long and narrow strip projected parts (17), and corresponding drag sheel (2) die joint edge is equipped with multiple long and narrow Strip pit (27).
CN201820980746.7U 2018-06-25 2018-06-25 Shell mould mould assembly positioning leak-proof fastening structure Active CN208644010U (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820980746.7U CN208644010U (en) 2018-06-25 2018-06-25 Shell mould mould assembly positioning leak-proof fastening structure

Publications (1)

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CN208644010U true CN208644010U (en) 2019-03-26

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