CN208662451U - The shell mould three part box parting casting device of the big pump housing - Google Patents
The shell mould three part box parting casting device of the big pump housing Download PDFInfo
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- CN208662451U CN208662451U CN201821284244.7U CN201821284244U CN208662451U CN 208662451 U CN208662451 U CN 208662451U CN 201821284244 U CN201821284244 U CN 201821284244U CN 208662451 U CN208662451 U CN 208662451U
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- core
- pump housing
- big pump
- big
- housing shell
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Abstract
The shell mould three part box parting casting device of the big pump housing, big pump housing shell die bed core including sequentially combining, lumen type core, the medium-sized core of big pump housing shell, big pump housing shell upper core and cast gate cup type core in bipyramid cluster gear, and the double-screw type core clamp device for being fixedly connected with five kinds of type cores；Big pump housing shell die bed core is equipped with concave flanging seam allowance and intermediate twin opening (subway), lumen type core in bipyramid cluster gear is installed on intermediate twin opening (subway), lumen type core bottom outside is equipped with oil outlet end core in bipyramid cluster gear, and the lower plane landfill of big pump housing shell die bed core has shot；Plane is equipped with annular around running channel, double flat gates, inner mold core seam allowance and mould assembling concave flanging seam allowance on the medium-sized core of big pump housing shell；Big pump housing shell upper core is equipped with down gate, riser neck and oil nozzle end core print, and down gate, riser neck are bonded cast gate cup type core, and oil nozzle end core print is fixedly connected with lumen type core in bipyramid cluster gear.Big pump body cast will not generate shrinkage cavity and porosity defect, any surface finish, non-trimming burr.
Description
Technical field
The utility model relates to casting technology field, in particular to the shell mould three part box parting of a kind of big pump housing casts dress
It sets.
Background technique
The big pump housing is gear pump case component part, and transmission gear is installed in inner cavity, because its shape convex platform, concave surface are more
And inner cavity cannot achieve a parting and take all holes, chamber out of with the presence of multiple curved surfaces and asymmetric face, so cannot select to fit
In the device for sand coated iron mould technique of horizontal parting, also have in the prior art using resin sand, water-glass sand casting technique, however uses tree
The defects of cast-internal tissue manufactured by rouge sand, water-glass sand casting technique is not fine and close enough, and there are shrinkage cavity and porosities, in addition,
Cast(ing) surface has burr generation, and appearance, the structure property requirement of casting is not achieved.
Therefore, based on the above issues, the utility model provides a kind of shell mould three part box parting casting device.
Summary of the invention
The purpose of the utility model is to provide a kind of shell mould three part box parting casting devices of big pump housing, solve the prior art
In cannot achieve a parting, the appearance of big pump body cast is not achieved, the problem of structure property requires.It is opened by using shell mould three
Case parting casting device is not, it can be achieved that a parting and need casting mould and swage sandbox, effectively save cost；Reach big
The appearance of pump body cast, structure property requirement.
The utility model is achieved through the following technical solutions:
The shell mould three part box parting casting device of the big pump housing, comprising:
Big pump housing shell die bed core, which is provided with concave flanging seam allowance and intermediate twin opening (subway), and concave flanging seam allowance is set to big
The upper plane of pump housing shell die bed core installs lumen type core in bipyramid cluster gear, bipyramid cluster gear inner cavity on intermediate twin opening (subway)
Type core bottom outside is equipped with oil outlet end core, and the lower plane landfill of big pump housing shell die bed core has shot；
The medium-sized core of big pump housing shell, connect, plane is equipped on the big medium-sized core of pump housing shell with big pump housing shell die bed core
Annular is provided among running channel, double flat gates, inner mold core seam allowance and mould assembling concave flanging seam allowance, the big medium-sized core of pump housing shell
Round chamber is taken turns, double flat gates are connected around running channel with annular, communicate with the round chamber of breast wheel；
Big pump housing shell upper core, connect with the big medium-sized core of pump housing shell, and big pump housing shell upper core is equipped with and directly pours
Mouth, riser neck and oil nozzle end core print, down gate, riser neck are bonded cast gate cup type core, and oil nozzle end core print is fixedly connected with bipyramid disjunctor
Pinion cavity type core；
And big pump housing shell die bed core, the big medium-sized core of pump housing shell are fixedly connected with big pump housing shell upper core double
Screw type core clamp device.
It is designed in this way, firstly, by using shell mould three part box parting casting device, by big pump housing shell die bed core and big pump
The medium-sized core of big pump housing shell is added in body case upper core, lumen type core and the primary casting of cast gate cup type core combination in bipyramid cluster gear
Big pump housing inner cavity of different shapes out effectively solves in the prior art since big pump body cast complex contour cannot achieve horizontal point
The problem of depanning of type, and casting mould and swage sandbox are not needed, effectively save cost；Then, shell casting is thermally conductive
Medium uses shot, and shot heat conductivity is equal to swage close to swage sandbox, this body tissue, the metallographic performance of gone out casting
Sand casting is covered, the generation of the shrinkage cavity and porosity defect in big pump body cast structure is inhibited, will not generate；Finally, big pump housing type
In addition shot landfill gravity and the fixation of twin-screw clamp device make big pump body cast surface very to the flanging fixing structure of core
It is bright and clean, the not generation of burr.
As optimization, intermediate twin opening (subway) is vertex of a cone hole.It is designed in this way, is easily installed and effect is preferable.
As optimization, the big medium-sized core lower plane of pump housing shell is equipped with boss type flanging seam allowance, boss type flanging seam allowance and big
The connection of pump housing shell die bed core.It is designed in this way, convenient for connecting the big medium-sized core of pump housing shell and big pump housing shell die bed core.
As optimization, the double-screw type core clamp device is threaded by two sections of channel steels and two double ends consistent in length
Screw rod composition, opens that there are two can be across the through-hole of screw rod in every section of channel steel plane.It is designed in this way, is connected firmly.
The beneficial effects of the utility model are:
It is the utility model design science, easy to operation, it, will be upper and lower by using shell mould three part box parting casting device
Medium-sized core, core print and small-sized core combination are added on shell body can once cast out its inner cavity of different shapes, not need casting mould
With swage sandbox, effectively save cost；In addition, the generation of the shrinkage cavity and porosity defect in big pump body cast structure is inhibited, no
It can generate；Furthermore big pump body cast surface is very bright and clean, not the generation of burr.It is to have to iron die sand casting process
Power supplement, rich in dissemination.
Detailed description of the invention
The shell mould three part box parting casting device of the big pump housing is described further with reference to the accompanying drawing:
Fig. 1 is the schematic diagram of the section structure after five kinds of type core assemblings of shell mould three part box parting casting device of the big pump housing；
Fig. 2 is the structural schematic diagram of the big pump housing shell die bed core of the shell mould three part box parting casting device of the big pump housing；
Fig. 3 is the structural representation of lumen type core in the bipyramid cluster gear of the shell mould three part box parting casting device of the big pump housing
Figure；
Fig. 4 is the structural schematic diagram of the big medium-sized core of pump housing shell of the shell mould three part box parting casting device of the big pump housing；
Fig. 5 is the structural schematic diagram of the big pump housing shell upper core of the shell mould three part box parting casting device of the big pump housing；
Fig. 6 is the structural schematic diagram of the cast gate cup type core of the shell mould three part box parting casting device of the big pump housing；
Fig. 7 is the three-dimensional figure structure schematic representation using the big pump housing shell casting of the utility model casting；
Fig. 8 is the three-dimensional figure structure schematic representation using the big pump housing shell casting of the utility model casting.
In figure: 1 is big pump housing shell die bed core, 2 be concave flanging seam allowance, 3 be intermediate twin opening (subway), 4 be bipyramid disjunctor tooth
Lumen type core in taking turns, 5 be oil outlet end core, 6 be the medium-sized core of big pump housing shell, 7 be pair flat gates, 8 be that boss type flanging stops
Mouthful, 9 be big pump housing shell upper core, 10 be down gate, 11 be riser neck, 12 be cast gate cup type core, 13 be the casting of big pump housing shell
Part.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, develop simultaneously implementation referring to the drawings
The utility model is further described in example.
The property simple and easy to operate of shell moulded casting can be realized the unpacking molding of various ways, so multiple to pump housing class shape and structure
Sundries is particularly suitable.The present embodiment selects self-hardening sand shell moulded casting scheme, and shell mould core manufacturing craft is hot box process mode, overlay film
Fineness of sand is in 70-140 mesh.
As shown in figures 1-8, the shell mould three part box parting casting device of the big pump housing, including big pump housing shell die bed core 1, big pump
Lumen type core 4 in the medium-sized core 6 of body case, bipyramid cluster gear, big pump housing shell upper core 9,12 5 kinds of type cores of cast gate cup type core and
Double-screw type core clamp device；Wherein, big pump housing shell die bed core 1 is equipped with concave flanging seam allowance 2 and intermediate twin opening (subway) 3, recessed
Type flanging seam allowance 2 is set to the upper plane of big pump housing shell die bed core 1, and intermediate twin opening (subway) 3 is vertex of a cone hole, pacifies on intermediate twin opening (subway) 3
Lumen type core 4 in bipyramid cluster gear is filled, 4 bottom outside of lumen type core is equipped with oil outlet end core 5 in bipyramid cluster gear, outside the big pump housing
It is the ball shot of 3-4mm that the lower plane landfill of shell die bed core 1, which has diameter,；The medium-sized core 6 of big pump housing shell, with big pump housing shell
Die bed core 1 connects, on the big medium-sized core 6 of the pump housing shell plane be equipped with annular around running channel, double flat gates 7, inner mold core seam allowance and
Mould assembling concave flanging seam allowance is provided with the round chamber of wheel among the big medium-sized core 6 of pump housing shell, and double flat gates 7 are with annular around running channel
It is connected, communicated with the round chamber of breast wheel, enters type chamber convenient for nodularization iron liquid；Big medium-sized 6 lower plane of core of pump housing shell is equipped with boss
Type flanging seam allowance 8, boss type flanging seam allowance 8 are connect with big pump housing shell die bed core 1；Big pump housing shell upper core 9 and the big pump housing
The medium-sized core 6 of shell connects, and big pump housing shell upper core 8 is equipped with down gate 10, riser neck 11 and oil nozzle end core print, down gate
10, riser neck 11 is bonded cast gate cup type core 12, and oil nozzle end core print is fixedly connected with lumen type core 4 in bipyramid cluster gear；Double-screw type
Big pump housing shell die bed core 1, the medium-sized core 6 of big pump housing shell are fixedly connected by core clamp device with big pump housing shell upper core 9, double
Screw type core clamp device is made of two sections of channel steels and two threaded screw rods of double end consistent in length, in every section of channel steel plane
Open there are two can pass through screw rod through-hole, pitch of holes be slightly larger than big pump housing type core physical dimension be advisable, spiro rod length than
Combination rear profile core height grows 50mm, and channel steel plane side be bonded with upper mo(u)ld bottom half core outerplanar when installation, and screw rod is led to by reciprocity
It is tightened respectively with nut in hole.
To lumen type core 4, big pump in above-mentioned big pump housing shell die bed core 1, the medium-sized core 6 of big pump housing shell, bipyramid cluster gear
12 5 kinds of body case upper core 9, cast gate cup type core type cores are combined in sequential order, form casting mold shell, and embedment shot pours
Note nodularization iron liquid can cast out big pump body cast.
The specific installation steps of the shell mould three part box parting casting device type core of the above-mentioned big pump housing are as follows:
1, big pump housing shell die bed core 1 is laid flat on the ground, lumen type core 4 in bipyramid cluster gear is installed on intermediate double
It on connection hole 3 and is placed in the core print of big pump housing shell die bed core 1, opposite direction set is packed into the big medium-sized core 6 of pump housing shell；2,
Big pump housing shell upper core 9 is overturn, and is gently buckled on the mould assembling concave flanging seam allowance of the medium-sized core 6 of big pump housing shell, sprue cup
Type core 12 is bonded on down gate 10 in plane, is bonded in plane on Φ 20mm riser neck 11 with another cast gate cup type core 12 and is filled
When riser seat, condensation is stand-by；3, the group for being combined above-mentioned five kinds of type cores in sequential order with double-screw type core clamp device
Core locking just completes entire group core process, is put into rectangular sandbox later and is filled with shot to be cast, note is intended to cover cast gate
Cup is suitable for reading, prevents shot from entering type chamber.
The characteristics of above-mentioned specific embodiment and principle are as follows:
1, self-hardening sand shell moulded casting scheme is selected, shell mould core manufacturing craft is hot box process mode, and precoated sand granularity is in 70-
140 mesh, mold cavity surface is very fine and close, smooth after coremaking depanning, and gone out surface quality of continuous castings is high.
2, by using shell mould three part box parting casting device, by big pump housing shell die bed core and big pump housing shell upper core
On add the medium-sized core of big pump housing shell, once to cast out the big pump housing different for lumen type core and the combination of cast gate cup type core in bipyramid cluster gear
The inner cavity of shape effectively solves in the prior art since big pump body cast complex contour cannot achieve depanning of horizontal parting
Problem；The flexible operation sexual clorminance of shell moulded casting largely enriches the intension of device for sand coated iron mould, is shaped piece casting life
Produce the useful supplement for solidifying principle simultaneously to device for sand coated iron mould.
3, the investment that casting die device and swage sandbox are eliminated using shell mould three part box parting casting device, can save
200,000 yuan of fund, effectively save cost.
4, the heat-conducting medium of shell casting is the ball shot of 3-4mm, ball shot heat conductivity close to swage sandbox,
This body tissue, the metallographic performance of gone out casting are equal to device for sand coated iron mould casting, the shrinkage cavity and porosity defect in big pump body cast structure
Generation be inhibited, will not generate.
5, shot landfill gravity and the fixation of twin-screw clamp device make the flanging fixing structure of big pump housing type core in addition
Big pump body cast surface is very bright and clean, the not generation of burr.
Above-mentioned specific embodiment is only the specific case of the utility model, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent implementations of variation.But it is all without departing from the utility model technical principle under the premise of, according to the utility model
Technical spirit should all fall into the utility model to any simple modification, equivalent variations and remodeling made by embodiment of above
Scope of patent protection.
Claims (6)
1. a kind of shell mould three part box parting casting device of big pump housing characterized by comprising
Big pump housing shell die bed core (1), which is provided with concave flanging seam allowance (2) and intermediate twin opening (subway) (3), and the concave flanging stops
Mouth (2) is set to the upper plane of big pump housing shell die bed core (1), installs bipyramid cluster gear inner cavity on the intermediate twin opening (subway) (3)
Type core (4), lumen type core (4) bottom outside is equipped with oil outlet end core (5), the big pump housing shell bottom in the bipyramid cluster gear
The lower plane landfill of type core (1) has shot；
The big medium-sized core of pump housing shell (6), connect, on the big medium-sized core of pump housing shell (6) with big pump housing shell die bed core (1)
Plane is equipped with annular outside running channel, double flat gates (7), inner mold core seam allowance and mould assembling concave flanging seam allowance, the big pump housing
The round chamber of wheel is provided among the medium-sized core of shell (6), double flat gates (7) are connected around running channel with annular, are round with breast wheel
Chamber communicates；
Big pump housing shell upper core (9), connect, on the big pump housing shell upper core (9) with the big medium-sized core of pump housing shell (6)
Equipped with down gate (10), riser neck (11) and oil nozzle end core print, the down gate (10), riser neck (11) are bonded cast gate cup type core
(12), oil nozzle end core print is fixedly connected with lumen type core (4) in the bipyramid cluster gear；
And big pump housing shell die bed core (1), the big medium-sized core of pump housing shell (6) and big pump housing shell upper core (9) are fixed and connected
The double-screw type core clamp device connect.
2. the shell mould three part box parting casting device of the big pump housing as described in claim 1, it is characterised in that: the intermediate duplex
Hole (3) is vertex of a cone hole.
3. the shell mould three part box parting casting device of the big pump housing as described in claim 1, it is characterised in that: outside the big pump housing
Shell medium-sized core (6) lower plane is equipped with boss type flanging seam allowance (8), the boss type flanging seam allowance (8) and big pump housing shell die bed
Core (1) connection.
4. the shell mould three part box parting casting device of the big pump housing as described in claim 1, it is characterised in that: the double-screw type
Core clamp device is made of two sections of channel steels and two threaded screw rods of double end consistent in length, is provided in every section of channel steel plane
Two energy pass through the through-hole of screw rod.
5. the shell mould three part box parting casting device of the big pump housing as described in claim 1, it is characterised in that: the riser neck
(11) diameter is 20mm.
6. the shell mould three part box parting casting device of the big pump housing as described in claim 1, it is characterised in that: the shot uses
Diameter is the ball shot of 3-4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821284244.7U CN208662451U (en) | 2018-08-10 | 2018-08-10 | The shell mould three part box parting casting device of the big pump housing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821284244.7U CN208662451U (en) | 2018-08-10 | 2018-08-10 | The shell mould three part box parting casting device of the big pump housing |
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| CN208662451U true CN208662451U (en) | 2019-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814285A (en) * | 2019-12-16 | 2020-02-21 | 中国重汽集团济南动力有限公司 | Cylinder cover manufacturing mold based on green sand process |
-
2018
- 2018-08-10 CN CN201821284244.7U patent/CN208662451U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814285A (en) * | 2019-12-16 | 2020-02-21 | 中国重汽集团济南动力有限公司 | Cylinder cover manufacturing mold based on green sand process |
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