CN208374115U - A kind of suction type evaporative pattern sandbox - Google Patents
A kind of suction type evaporative pattern sandbox Download PDFInfo
- Publication number
- CN208374115U CN208374115U CN201821011411.0U CN201821011411U CN208374115U CN 208374115 U CN208374115 U CN 208374115U CN 201821011411 U CN201821011411 U CN 201821011411U CN 208374115 U CN208374115 U CN 208374115U
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- plate
- side plate
- sealing
- sealing plate
- suction type
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Abstract
The utility model discloses a kind of suction type evaporative pattern sandboxes, including bottom plate, the first side plate, the second side plate, third side plate and the 4th side plate, first side plate, the second side plate, third side plate and the 4th side plate are sequentially connected and surround the casting cavity of cuboid with bottom plate；First side plate and the inner wall at third side plate both ends are provided with vertical sliding slot, the two sides of second side plate and the 4th side plate are plugged in the sliding slot of the first side plate and third side plate, and are provided with dismountable positioning mechanism at the top of the first side plate and third side plate.Second side plate and the 4th side plate are detachable, after the completion of casting, can remove the second side plate and the 4th side plate, soon can all take out the quartz sand in sandbox.
Description
Technical field
The utility model belongs to lost foam casting apparatus field, especially a kind of suction type evaporative pattern sandbox.
Background technique
Lost foam casting (also known as cavityless casting) is by paraffin similar with casting dimension shape or bubbles model bonding group
Synthetic model cluster is embedded in vibration molding in drystone sand, is poured under negative pressure, make model gas after brushing fireproof coating and drying
Change, liquid metals occupies modal position, and the novel casting method of casting is formed after solidification is cooling.Lost foam casting is a kind of nearly nothing
The new process of surplus, precise forming, the technique without modulus, without die joint, without sand core, thus casting do not have overlap, burr and
Pattern draft, and reduce as type core combination and caused by scale error.Surface roughness are up to Ra3.2 to 12.5 μ
m；Casting dimension accuracy is up to CT7 to 9；Machining allowance is up to 1.5 to 2mm, can greatly reduce the expense of machining, and pass
System sand mould casting method is compared, it is possible to reduce 40% to 50% machining time, complicated especially suitable for motor housing etc.
The casting of part.
Sandbox is the capital equipment of lost foam casting, has significant impact to castability.Existing evaporative pattern sandbox one
As the cavity of cuboid is surrounded by four blocks of side plates and one piece of bottom plate, side plate and bottom plate form a whole, after the completion of casting,
It is not easy to quickly remove the quartz sand in sandbox.
Utility model content
The purpose of this utility model is to provide the suction type disappearance sands that one kind can more easily take out quartz sand
Case.
Purpose of the utility model is realized as follows: a kind of suction type evaporative pattern sandbox, including bottom plate, the first side plate,
Second side plate, third side plate and the 4th side plate, first side plate, the second side plate, third side plate and the 4th side plate are sequentially connected
And the casting cavity of cuboid is surrounded with bottom plate；
It is provided with horizontal support plate below the bottom plate, is provided on the outside of the first side plate parallel with the first side plate
First sealing plate is provided with second sealing plate parallel with third side plate, first sealing plate and on the outside of third side plate
The lower end of two sealing plates is connected with support plate, and the two sides of the first sealing plate are connected by the first connecting plate with the first side plate,
The two sides of second sealing plate are connected by the second connecting plate with third side plate, the top of first side plate and the first sealing plate
Between, be connected by upper sealing plate between third side plate and the top of the second sealing plate, make the first side plate, third side plate, first close
Sealing plate, the second sealing plate, the first connecting plate, the second connecting plate, upper sealing plate, bottom plate and support plate surround negative pressure cavity, and described first
It is provided with multiple equally distributed ventholes on side plate and third side plate, is provided on first sealing plate or the second sealing plate
The exhaust tube communicated with negative pressure cavity；
First side plate and the inner wall at third side plate both ends are provided with vertical sliding slot, second side plate and the 4th
The two sides of side plate are plugged in the sliding slot of the first side plate and third side plate, and the top of the first side plate and third side plate is arranged
There is dismountable positioning mechanism.
Further, the diameter of the venthole is 6cm to 10cm, and filter screen is provided in venthole.
Further, the positioning mechanism includes horizontal pressing plate, and one end of the pressing plate passes through screw and the first side plate
Perhaps the connected other end of third side plate is connected by screw with the second side plate or the 4th side plate.
Further, the bottom of first sealing plate or the second sealing plate is provided with dismountable sand cleaning gate.
Further, the bottom of first sealing plate or the second sealing plate is provided with sand removing hole, the sand cleaning gate covering
Sand removing hole is simultaneously connected by screw with the first sealing plate or the second sealing plate, and sand cleaning gate and the first sealing plate or the second sealing
Gasket is provided between plate.
The beneficial effects of the utility model are: the second side plate and the 4th side plate are detachable, after the completion of casting, can remove
Second side plate and the 4th side plate soon can all take out the quartz sand in sandbox.
Detailed description of the invention
Fig. 1 is the vertical view schematic cross-sectional view of the utility model.
Fig. 2 is the schematic cross-sectional view of A-A in Fig. 1.
In figure: 1- bottom plate, the first side plate of 2-, the second side plate of 3-, 4- third side plate, the 4th side plate of 5-, 6- casting cavity, 7-
Support plate, 8 first sealing plates, the second sealing plate of 9-, the first connecting plate of 10-, the second connecting plate of 11-, 12- upper sealing plate, 13- negative pressure
Chamber, 14- venthole, 15- exhaust tube, 16- filter screen, 17- pressing plate, 18- sand cleaning gate, 19- gasket.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, a kind of suction type evaporative pattern sandbox of the utility model, including bottom plate 1, the first side plate 2,
Two side plates 3, third side plate 4 and the 4th side plate 5, first side plate 2, the second side plate 3, third side plate 4 and the 4th side plate 5 are successively
It is connected and surrounds with bottom plate 1 casting cavity 6 of cuboid, the size of casting cavity 6 is determined according to the size of part to be cast.
The lower section of the bottom plate 1 is provided with horizontal support plate 7, and the outside of the first side plate 2 is provided with flat with the first side plate 2
The first capable sealing plate 8, the outside of third side plate 4 are provided with second sealing plate 9 parallel with third side plate 4, and described first is close
The lower end of sealing plate 8 and the second sealing plate 9 is connected with support plate 7, specifically, the lower end of the first sealing plate 8 and the second sealing plate 9
It can be welded to connect with the edge of support plate 7.The two sides of first sealing plate 8 pass through the first connecting plate 10 and 2 phase of the first side plate
Even, the two sides of the second sealing plate 9 are connected by the second connecting plate 11 with third side plate 4, specifically, the first sealing plate 8, first
It can weld connection between connecting plate 10 and the first side plate 2, it can also between the second sealing plate 9, the second connecting plate 11 and third side plate 4
It is welded to connect.Between first side plate 2 and the top of the first sealing plate 8, the top of third side plate 4 and the second sealing plate 9 it
Between by upper sealing plate 12 be connected, the mode of welded connecting specifically can be used, make the first side plate 2, third side plate 4, the first sealing plate
8, the second sealing plate 9, the first connecting plate 10, the second connecting plate 11, upper sealing plate 12, bottom plate 1 and support plate 7 surround negative pressure cavity 13,
Multiple equally distributed ventholes 14, first sealing plate 8 are provided on the bottom plate 1, the first side plate 2 and third side plate 4
Or second be provided with the exhaust tube 15 communicated with negative pressure cavity 13 on sealing plate 9.When casting, by exhaust tube 15 and air-extractor phase
Connect, such as aspiration pump, suction fan, when air-extractor is run, the air in negative pressure cavity 13 is extracted out, the air in casting cavity 6
By entering negative pressure cavity 13 after venthole 14, it is then pulled out negative pressure cavity 13, makes to generate negative pressure in casting cavity 6, guarantees molten metal
Flow to the position of evaporative pattern.Due to being provided with negative pressure cavity 13 in the bottom of sandbox and two sides, guarantee enough pumping faces
Product is conducive to improve pumping efficiency, while ensure that the uniform of pumping, is conducive to the quality for improving casting.
The inner wall at 4 both ends of first side plate 2 and third side plate is provided with vertical sliding slot, 3 He of the second side plate
The two sides of 4th side plate 5 are plugged in the sliding slot of the first side plate 2 and third side plate 4, and the first side plate 2 and third side plate 4
Top be provided with dismountable positioning mechanism.
Specifically, the first side plate 2, third side plate 4 can be connected with bottom plate 1 by welding, the second side plate 3 and
The two sides of four side plates 5 are slidably matched respectively at the first side plate 2 and third side plate 4, and fit clearance is as small as possible, guarantee sealing
Property, while sand being avoided to enter in sliding slot.And be connected by positioning mechanism with the first side plate 2 and third side plate 4, in casting,
Positioning mechanism can make the second side plate 3 and the 4th side plate 5 keep stablizing, and prevent the second side plate 3 and the 4th side plate 5 from shaking or moving
It is dynamic, after the completion of casting, fastening of the positioning mechanism to the second side plate 3 and the 4th side plate 5 is released, by the second side plate 3 and the 4th side plate 5
Quartz sand in casting cavity 6 can be taken out convenient and strength-savingly, not need to overturn entire sandbox by extraction.
Venthole 14 can be the fine through holes that many a diameters are less than quartz sand diameter, it is preferred that the venthole 14
Diameter be 6cm to 10cm, and filter screen 16 is provided in venthole 14.It is straight that the mesh diameter of filter screen 16 is less than quartz sand
Diameter plays the role of interception quartz sand, prevents quartz sand from entering negative pressure cavity 13.
The positioning mechanism includes horizontal pressing plate 17, one end of the pressing plate 17 by screw and the first side plate 2 or
Third side plate 4 is connected, and the other end is connected by screw with the second side plate 3 or the 4th side plate 5.First side plate 2, the second side plate 3,
The top of third side plate 4 and the 4th side plate 5 is respectively provided with threaded hole, and multiple through-holes are arranged on pressing plate 17, and the quantity of pressing plate 17 is 4
It is a, each one of the both ends of the second side plate 3, each one of the both ends of the 4th side plate 5, before casting, first by the second side plate 3 and the 4th side
Pressing plate 17, is then connected by screw with corresponding side plate, is risen by the slot of first side plate of the insertion of plate 52 and 4 inner wall of third side plate
To the effect for connecting adjacent both side plate, guarantee the stability of the second side plate 3 and the 4th side plate 5.
During taking out negative pressure, the case where inevitably a small amount of quartz sand enters negative pressure cavity 13, therefore,
The bottom of first sealing plate 8 or the second sealing plate 9 is provided with dismountable sand cleaning gate 18.Sand cleaning gate is opened at regular intervals
18, the quartz sand in negative pressure cavity 13 is removed.
In order to easily dismount sand cleaning gate 18, the bottom of first sealing plate 8 or the second sealing plate 9 is provided with sand removal
Mouthful, the sand cleaning gate 18 covers sand removing hole and is connected by screw with the first sealing plate 8 or the second sealing plate 9, and sand cleaning gate 18
Gasket 19 is provided between the first sealing plate 8 or the second sealing plate 9, rubber pad can be used in gasket 19, plays sealing
Effect, prevent gas leakage.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of suction type evaporative pattern sandbox, including bottom plate (1), the first side plate (2), the second side plate (3), third side plate (4) and
4th side plate (5), first side plate (2), the second side plate (3), third side plate (4) and the 4th side plate (5) be sequentially connected and with
Bottom plate (1) surrounds the casting cavity (6) of cuboid；It is characterized by: being provided with horizontal support plate below the bottom plate (1)
(7), first sealing plate (8) parallel with the first side plate (2), the outside of third side plate (4) are provided on the outside of the first side plate (2)
It is provided with second sealing plate (9) parallel with third side plate (4), the lower end of first sealing plate (8) and the second sealing plate (9)
It is connected with support plate (7), the two sides of the first sealing plate (8) are connected by the first connecting plate (10) with the first side plate (2), the
The two sides of two sealing plates (9) are connected by the second connecting plate (11) with third side plate (4), first side plate (2) and first
It is connected between the top of sealing plate (8), between third side plate (4) and the top of the second sealing plate (9) by upper sealing plate (12), makes
First side plate (2), third side plate (4), the first sealing plate (8), the second sealing plate (9), the first connecting plate (10), the second connecting plate
(11), upper sealing plate (12), bottom plate (1) and support plate (7) surround negative pressure cavity (13), the bottom plate (1), the first side plate (2) and
Multiple equally distributed ventholes (14) are provided on three side plates (4), on first sealing plate (8) or the second sealing plate (9)
It is provided with the exhaust tube (15) communicated with negative pressure cavity (13)；The inner wall at first side plate (2) and third side plate (4) both ends is all provided with
It is equipped with vertical sliding slot, the two sides of second side plate (3) and the 4th side plate (5) are plugged in the first side plate (2) and third
In the sliding slot of side plate (4), and dismountable positioning mechanism is provided at the top of the first side plate (2) and third side plate (4).
2. a kind of suction type evaporative pattern sandbox according to claim 1, it is characterised in that: the diameter of the venthole (14)
For 6cm to 10cm, and filter screen (16) are provided in venthole (14).
3. a kind of suction type evaporative pattern sandbox according to claim 1, it is characterised in that: the positioning mechanism includes level
Pressing plate (17), one end of the pressing plate (17) is connected by screw with the first side plate (2) or third side plate (4), the other end
It is connected by screw with the second side plate (3) or the 4th side plate (5).
4. a kind of suction type evaporative pattern sandbox according to claim 1, it is characterised in that: first sealing plate (8) or
The bottom of second sealing plate (9) is provided with dismountable sand cleaning gate (18).
5. a kind of suction type evaporative pattern sandbox according to claim 4, it is characterised in that: first sealing plate (8) or
The bottom of second sealing plate (9) is provided with sand removing hole, and the sand cleaning gate (18) covers sand removing hole and by screw and the first sealing
Plate (8) or the second sealing plate (9) are connected, and are arranged between sand cleaning gate (18) and the first sealing plate (8) or the second sealing plate (9)
There are gasket (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821011411.0U CN208374115U (en) | 2018-06-28 | 2018-06-28 | A kind of suction type evaporative pattern sandbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821011411.0U CN208374115U (en) | 2018-06-28 | 2018-06-28 | A kind of suction type evaporative pattern sandbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208374115U true CN208374115U (en) | 2019-01-15 |
Family
ID=64965850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821011411.0U Expired - Fee Related CN208374115U (en) | 2018-06-28 | 2018-06-28 | A kind of suction type evaporative pattern sandbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208374115U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405145A (en) * | 2019-08-30 | 2019-11-05 | 重庆钢铁(集团)有限责任公司 | Dispellable mould casting slow cooling sandbox |
| CN111774533A (en) * | 2020-07-21 | 2020-10-16 | 钟金鹏 | Lost foam casting method |
| CN111957907A (en) * | 2020-07-14 | 2020-11-20 | 安徽大卫模具有限公司 | Sand box for lost foam casting |
-
2018
- 2018-06-28 CN CN201821011411.0U patent/CN208374115U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405145A (en) * | 2019-08-30 | 2019-11-05 | 重庆钢铁(集团)有限责任公司 | Dispellable mould casting slow cooling sandbox |
| CN111957907A (en) * | 2020-07-14 | 2020-11-20 | 安徽大卫模具有限公司 | Sand box for lost foam casting |
| CN111774533A (en) * | 2020-07-21 | 2020-10-16 | 钟金鹏 | Lost foam casting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20210628 |