CN207154703U - Sandbox - Google Patents
Sandbox Download PDFInfo
- Publication number
- CN207154703U CN207154703U CN201720975544.9U CN201720975544U CN207154703U CN 207154703 U CN207154703 U CN 207154703U CN 201720975544 U CN201720975544 U CN 201720975544U CN 207154703 U CN207154703 U CN 207154703U
- Authority
- CN
- China
- Prior art keywords
- sandbox
- nowel
- top box
- madial wall
- sand frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 244000035744 Hura crepitans Species 0.000 title claims abstract description 77
- 239000004576 sand Substances 0.000 claims abstract description 80
- 238000004519 manufacturing process Methods 0.000 abstract description 20
- 239000011347 resin Substances 0.000 abstract description 19
- 229920005989 resin Polymers 0.000 abstract description 19
- 238000005266 casting Methods 0.000 abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 16
- 229910052742 iron Inorganic materials 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003110 molding sand Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Abstract
The utility model embodiment provides a kind of sandbox, including top box and nowel, top box and/or nowel have at least one inclined madial wall, and top box and/or nowel include at least one middle sand frame.The sandbox of the utility model embodiment, it is possible to reduce the usage quantity of resin sand, reduce production cost, improve the radiating effect of casting, reduce placer iron ratio, and there is preferable universal performance.
Description
Technical field
Casting field is the utility model is related to, relates generally to a kind of sandbox.
Background technology
Sandbox is the common equipment of casting field, and sandbox is generally used cooperatively with mould.Exemplified by using resin sand casting,
Existing casting technique is as follows：Mould is placed in sandbox first, resin sand is filled into the space of sandbox and mould, treated
After resin sand hardening, mould with cavity can be formed after the resin sand separation of hardening, molten metal liquid is then poured into sky
In chamber, casting is formed after metal liquid cooling.
Used sandbox structure chart in the prior art is shown in Fig. 1 and Fig. 2.The sandbox used at present is cube knot
Structure, the madial wall of sandbox is vertical plane, is less than setting for intermediate sizes for the size of the equipment of abnormal shape, such as top and bottom
It is standby, by taking axial fan hub as an example, after mould 2 ' is placed in sandbox 1 ', office between the upper and bottom section and sandbox of hub mold
Portion position needs to fill substantial amounts of resin sand, such as the H3 positions in H1, H2 position and Fig. 2 in Fig. 1, causes production cost to increase
Add, while the resin sand layer thickness formed is thicker so that casting local location cooling velocity is slower.Therefore existing cube structure
Sandbox problems be present：
First, need to fill substantial amounts of resin sand for special-shaped equipment, add production cost；
2nd, local resin sand layer thickness is very thick, is unfavorable for the cooling radiating of casting；
3rd, placer iron ratio (referring to that core sand using amount is with producing the ratio between casting weight in Foundry Production) is too big, and this will cause
Regeneration utilization rate of equipment and installations and labor productivity substantially reduce；Reclaimed sand quality (molding sand burning decrement) increases, and molding sand is sent out during reuse
Tolerance increases.
4th, the top box of existing sandbox and nowel are overall structure, can only be suitable to produce same type of product, work as production
When the dimensions or shapes of product change, it is necessary to sandbox is changed, causes the increase of production cost, sandbox it is general
Property is poor.
Utility model content
Embodiment of the present utility model provides a kind of sandbox, to reduce the usage quantity of resin sand, reduces production cost,
The radiating effect of casting is improved, reduces placer iron ratio, and the sandbox with preferable universal performance.
To reach above-mentioned purpose, embodiment of the present utility model adopts the following technical scheme that：
On the one hand the utility model embodiment provides a kind of sandbox, including top box and nowel, it is characterised in that：Top box and/
Or nowel has at least one inclined madial wall, top box and/or nowel include at least one middle sand frame.
Alternatively, top box includes top case and at least one middle sand frame below top case, and middle sand frame and top case can
Releasably connect.
Alternatively, the cross-sectional area of the madial wall of the bottom of top box is more than the cross-sectional area of the madial wall on the top of top box.
Alternatively, nowel includes under casing and at least one middle sand frame above under casing, and middle sand frame and under casing can
Releasably connect.
Alternatively, the cross-sectional area of the madial wall of the bottom of nowel is less than the cross-sectional area of the madial wall on the top of nowel.
Alternatively, top box or nowel have more than two inclined madial walls.
Alternatively, inclined madial wall includes two different madial walls of inclined degree.
Alternatively, the cross section of top box and nowel is polygon.
Alternatively, the cross section of top box and nowel is hexagon.
Alternatively, middle sand frame is two or more, and adjacent middle sand frame is detachably connected.
The sandbox that the utility model embodiment provides, by the way that at least one madial wall of top box and/or nowel is arranged to
It is inclined, it can preferably coordinate with xenotype mold, reduce the unnecessary space between the upper and lower part of sandbox and mould, this
Sample can sufficiently reduce the usage amount of resin sand, reduce production cost, reduce placer iron ratio；Simultaneously because reduce unnecessary sky
Gap, the resin sand layer thickness of formation is relatively thin, is advantageous to the radiating of casting and quick cooling；Decrease stone during molten steel solidification
Power caused by inkization expansion makes the swollen type of sand mold, and then reduces the influence to casting quality and size.In addition, top box and/or nowel
Including at least one middle sand frame, the volume of such top box and/or nowel can be by increasing or reducing the quantity of middle sand frame
Be adjusted, sandbox can be so applied to different sizes, shape part production, the versatility of sandbox can be greatly promoted
Can, the quantity of sandbox is reduced, is effectively reduced production cost, while decreases the stacking place of sandbox.
Brief description of the drawings
Fig. 1 is the sectional view of the vertical direction of the sandbox of prior art；
Fig. 2 is the elevational schematic view of the sandbox of prior art；
Fig. 3 is the front view of the sandbox of the present embodiment；
Fig. 4 is the left view of the sandbox of the present embodiment；
Fig. 5 is the top view of the sandbox of the present embodiment；
Fig. 6 is sectional view of the sandbox along C-C directional profiles in Fig. 5；
Fig. 7 is the upward view of the sandbox of the present embodiment；
Fig. 8 is the space schematic diagram between the vertical cross-sectional view cheek madial wall and mould of the sandbox of the present embodiment；
Fig. 9 is the space schematic diagram between the upward view cheek madial wall and mould of the sandbox of the present embodiment；
Drawing reference numeral explanation：
1st, sandbox；2nd, mould；11st, top case；12nd, under casing；13rd, middle sand frame；14th, hanger；15th, attachment structure；16th, strengthen
Muscle.
Embodiment
3 to Fig. 9 the sandbox of the utility model embodiment is described in detail below in conjunction with the accompanying drawings.With wind in the present embodiment
Sandbox of the present utility model is specifically described with exemplified by sandbox for power generator group wheel hub manufacture, but sandbox of the present utility model
It is not limited to apply in wind generator unit wheel hub manufacture, the casting field of other parts can also be applied to.
The present embodiment is related to a kind of sandbox 1, including top box and nowel, and top box and/or nowel have at least one inclined
Madial wall, top box and/or nowel include at least one middle sand frame 13.
The sandbox 1 of the present embodiment, by the way that at least one madial wall of top box and/or nowel is arranged into inclined, due to
The size of hub top and bottom is less than intermediate sizes, and the mould 2 that the sandbox of this sample embodiment can be preferably with wheel hub is matched somebody with somebody
Close, reduce the unnecessary space between sandbox 1 and mould 2, so can sufficiently reduce the usage amount of resin sand, reduce production
Cost, placer iron ratio is reduced, and at least one in top box and nowel is arranged to include at least one middle sand frame 13, can passed through
The quantity of sand frame 13 changes the size of top box or nowel among regulation, can effectively lift the versatility of top box and nowel, make
Obtaining top box or nowel can be used in the production of different products, reduce production cost；Simultaneously because the quantity of sandbox 1 is reduced
, also further reduce the stacking place of sandbox 1.It should be noted that the inclined madial wall in the present embodiment is not limited to
It is inclined plane or inclined curved surface, or inclined bending side.
Alternatively, top box includes top case 11 and at least one middle sand frame 13 positioned at the lower section of top case 11, middle sand frame 13
It is detachably connected with top case 11.As shown in Figure 3 and Figure 4, the top box of the sandbox 1 of the present embodiment includes a top case 11 and is located at
Sand frame 13 among two of the bottom of top case 11.Can also be one or three but the quantity of middle sand frame 13 is not limited to two
More than individual.It is also detachably connected between adjacent middle sand frame 13 when the quantity of middle sand frame 13 is two or more.Specifically
Ground, between middle sand frame 13 and top case 11, and/or removably connected by attachment structure 15 between adjacent middle sand frame 13
Connect, attachment structure 15 can be connected by screw bolts, or any connected mode such as snap connection.
Alternatively, the cross-sectional area of the madial wall of the bottom of top box is more than the cross-sectional area of the madial wall on the top of top box,
As shown in figure 8, being so advantageous to reduce the unnecessary gap H4 between the top of top box and mould 2, and then reduce the tree formed
The thickness of fat layer of sand.See on the whole, by the size of middle sand frame 13 of top case 11 to lower section in gradually increase.Alternatively, top case 11
Madial wall can have identical inclination angle with middle sand frame 13；Or the inclination angle of the madial wall of middle sand frame 13 also may be used
With different from the inclination angle of top case 11, for example, the madial wall of top case 11 can be arranged to inclined-plane, and adjacent middle sand frame 13
Madial wall be perpendicular；Or the madial wall of top case 11 is arranged to perpendicular, by adjacent middle sand frame 13
Side wall is set to inclined-plane.As long as the profile that the madial wall of top box can be fully with mould 2 matches, madial wall and mould are effectively reduced
Gap between 2.
Alternatively, the inclined madial wall of top case 11 and middle sand frame 13 is from top to bottom towards the center line away from sandbox 1
Direction tilts.So, top box is configured to reduced diameter from the bottom to top, as knowable to Fig. 8 and Fig. 9, by this way, comparing
Compared with the sandbox 1 in background technology, the gap H4 quilts of the sandbox 1 of the present embodiment between the madial wall of top box and the mould 2 of abnormal shape
Significantly reduce, and then can sufficiently reduce the usage amount of resin sand, reduce production cost, reduce placer iron ratio；Simultaneously because
Reduce unnecessary space, the resin sand layer thickness of formation is relatively thin, is advantageous to the radiating of casting and quick cooling.
Alternatively, nowel includes under casing 12 and at least one middle sand frame 13 above under casing 12, middle sand frame 13
It is detachably connected with top case 11.As shown in Figure 3 and Figure 4, the nowel of the sandbox 1 of the present embodiment includes a under casing 12 and is located at
Sand frame 13 among two of the top of under casing 12.Can also be one or three but the quantity of middle sand frame 13 is not limited to two
More than individual.It is also detachably connected between adjacent middle sand frame 13 when the quantity of middle sand frame 13 is two or more.Specifically
Ground, between middle sand frame 13 and under casing 12, and/or removably connected by attachment structure 15 between adjacent middle sand frame 13
Connect, attachment structure 15 can be connected by screw bolts, or any connected mode such as snap connection.
Alternatively, the cross-sectional area of the madial wall of the bottom of nowel is less than the cross-sectional area of the madial wall on the top of nowel,
As shown in Figure 8 and Figure 9, be so advantageous to reduce unnecessary gap H5, H6 between the bottom of nowel and mould 2, and then reduce
The thickness of the resin layer of sand of formation.See on the whole, by the size of middle sand frame 13 of under casing 12 to top in gradually increase.It is optional
Ground, the madial wall of under casing 12 can have identical inclination angle with middle sand frame 13；Or the madial wall of middle sand frame 13 inclines
Oblique angle can also be different from the inclination angle of under casing 12, for example, the madial wall of under casing 12 can be arranged to inclined-plane, and it is adjacent in
Between the madial wall of sand frame 13 be perpendicular；Or the madial wall of under casing 12 is arranged to perpendicular, by adjacent intermediate box
The madial wall of circle 13 is set to inclined-plane.As long as the profile that the madial wall of nowel can be fully with mould 2 matches, inner side is effectively reduced
Gap between wall and mould 2.
Alternatively, the inclined madial wall of under casing 12 and middle sand frame 13 is from bottom to top towards the center line away from sandbox 1
Direction tilts.So, nowel is configured to reduced diameter from top to bottom, as knowable to Fig. 8 and Fig. 9, by this way, comparing
Compared with the sandbox 1 in background technology, the sandbox 1 of the present embodiment part between the madial wall of nowel and the mould 2 of abnormal shape
Gap H5, H6 are significantly reduced, and then can sufficiently reduce the usage amount of resin sand, reduce production cost, reduce placer iron
Than；Simultaneously because reducing unnecessary space, the resin sand layer thickness of formation is relatively thin, is advantageous to the radiating of casting and fast quickly cooling
But.
Alternatively, the top box of sandbox 1 can be set to overall structure, nowel is arranged to include at least one middle sand frame 13；
The nowel of sandbox 1 can be also set to overall structure, top box is arranged to include at least one middle sand frame 13；Can also be by top box with
Case is disposed as including at least one middle sand frame 13.
Alternatively, top box or nowel include at least two inclined madial walls, wherein, including two inclined degrees are different
Madial wall.By taking Fig. 6 as an example, in two relative inclined madial walls of top box, the angle of the madial wall and land area L in left side is
A, the madial wall on right side and land area L angle are B, and A is different from B.But this is not limited to, the madial wall of top box or nowel
In, can be using sections inner side wall as inclined plane, sections inner side wall is vertical plane；Also madial wall that can be whole is inclined plane.Tilt
Madial wall when being two or more, different inclined madial walls can have the identical or different angles with land area.
So, when in face of the mould 2 of abnormal shape shape, the inclined degree for the madial wall for adjusting top box or nowel can be passed through so that sandbox 1
Profile of the madial wall fully with mould 2 match, and then can accurately control the space between sandbox 1 and mould 2, reduce
The thickness and dosage of resin layer of sand, production cost is reduced, while be also beneficial to the radiating of casting and quick cooling.
Alternatively, as shown in figure 5 and figure 7, the cross section of top box and nowel is polygon, for example, triangle, four can be used
Side shape, pentagon, hexagon, but it is not limited to these specific shapes.
Alternatively, the lateral wall of top box and nowel is provided with reinforcement 16, to strengthen the structural strength of top box and nowel,
Prevent the madial wall of top box and nowel from deforming.
Alternatively, hanger 14 is equipped with the side of top case 11, under casing 12 and middle sand frame 13, hanger 14 is used for and lifting
Equipment is engaged, and realizes the installation or removal of top case 11, under casing 12 and middle sand frame 13.
The sandbox of the present embodiment, there is following technique effect：
1st, can be greatly decreased the moulding back-up sand time, reduce sand using amount, reduce labor strength, shorten demoulding time and
Firm time.
2nd, the sandbox of the present embodiment is reduced in part mold thickness, and then can reduce soaking time, improves casting sheet
Body performance, shorten life cycle of the product.
3rd, the sandbox of the present embodiment can effectively reduce placer iron ratio, reduce production cost；Improve equipment capacity and again
Come into force rate；Improve reclaimed sand quality, reduce molding sand burning decrement, improve casting quality.
4th, the sandbox of the present embodiment can select different middle sand frames to connect to meet the production requirement of different product,
The application of sandbox is expanded, had so both saved sandbox quantity, sandbox is decreased and stacks place.
5th, after the madial wall of sandbox sets angle of inclination, power caused by graphitization expansion makes during reducing molten steel solidification
Type that sand mold is swollen, and then reduce the influence to casting quality and size.
More than, only specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, appoint
What those familiar with the art can readily occur in change or replacement in the technical scope that the utility model discloses,
It should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the guarantor of claim
Shield scope is defined.
Claims (10)
1. a kind of sandbox, including top box and nowel, it is characterised in that：The top box and/or nowel have at least one inclined
Madial wall, the top box and/or the nowel include at least one middle sand frame (13).
2. sandbox according to claim 1, it is characterised in that the top box includes top case (11) and positioned at the top case
(11) at least one middle sand frame (13) below, the middle sand frame (13) and the top case (11) are detachably connected.
3. sandbox according to claim 2, it is characterised in that the cross-sectional area of the madial wall of the bottom of the top box is more than
The cross-sectional area of the madial wall on the top of the top box.
4. sandbox according to claim 1, it is characterised in that the nowel includes under casing (12) and positioned at the under casing
(12) at least one middle sand frame (13) above, the middle sand frame (13) and the under casing (12) are detachably connected.
5. sandbox according to claim 4, it is characterised in that the cross-sectional area of the madial wall of the bottom of the nowel is less than
The cross-sectional area of the madial wall on the top of the nowel.
6. sandbox according to claim 1, it is characterised in that the top box or the nowel have more than two inclinations
Madial wall.
7. sandbox according to claim 6, it is characterised in that the inclined madial wall includes two inclined degrees not
Same madial wall.
8. sandbox according to claim 1, it is characterised in that the cross section of the top box and the nowel is polygon.
9. sandbox according to claim 8, it is characterised in that the cross section of the top box and the nowel is hexagon.
10. sandbox according to any one of claim 1 to 9, it is characterised in that the middle sand frame (13) be two with
On, adjacent middle sand frame (13) is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720975544.9U CN207154703U (en) | 2017-08-04 | 2017-08-04 | Sandbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720975544.9U CN207154703U (en) | 2017-08-04 | 2017-08-04 | Sandbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207154703U true CN207154703U (en) | 2018-03-30 |
Family
ID=61716169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720975544.9U Active CN207154703U (en) | 2017-08-04 | 2017-08-04 | Sandbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207154703U (en) |
-
2017
- 2017-08-04 CN CN201720975544.9U patent/CN207154703U/en active Active
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| GR01 | Patent grant |