CN212469672U - Floating sand shooting device - Google Patents
Floating sand shooting device Download PDFInfo
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- CN212469672U CN212469672U CN202021856588.8U CN202021856588U CN212469672U CN 212469672 U CN212469672 U CN 212469672U CN 202021856588 U CN202021856588 U CN 202021856588U CN 212469672 U CN212469672 U CN 212469672U
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- sand
- sand shooting
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- inner liner
- cushion
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Abstract
The utility model discloses a floating sand shooting device, which adds molding sand into a sand shooting tank body through a sand inlet channel to seal the sand inlet channel; blow in compressed air in the downward intake duct, compressed air that blows in from the lower intake duct exerts pressure to cushion and cover pad through penetrating the inboard hole of the internal bottom plate of sand jar, elastic deformation takes place for cushion and cover pad, compressed air escapes from the cushion and penetrates the internal bottom plate of sand jar, the gap between cushion and the cover pad, reach the cavity in intermediate level and inner liner, it is internal to penetrate the sand jar through the filter block entering, with the molding sand intensive mixing, the mixture of compressed air and molding sand removes to penetrating the sand board direction, penetrate the mould die cavity. The utility model can overcome the influence of gravity, so that the molding sand can be injected into the die cavity in an ideal state, and the molding sand can be injected farther and is easier to fill the die; the utility model discloses a level penetrate sand structure, the supporting mould simple structure that does not need accessories such as dedicated sand shooting plate to the mould assembly is changed conveniently.
Description
Technical Field
The utility model relates to a casting machinery technical field especially relates to a sand device is penetrated to float.
Background
In the field of casting, a method of injecting molding sand into a cavity of a mold by using compressed air and preliminarily compacting the molding sand is widely used, and becomes a main filling method for automatic molding and automatic core making. Because of the difference of various sand moulds, sand cores and binder materials, the fluidity difference is large. The dry precoated sand has the best fluidity and is easy to fill. The hydrous green sand has the advantages of general fluidity and general filling performance. The molding sand using resin or water glass as binder, such as cold core box and warm core box, has certain viscosity and is difficult to fill.
The sand is shot by compressed air, and it is best that the compressed air and the molding sand are fully mixed and shot into the mold cavity in the state of gas and sand mixture. In the actual production, the ideal state is difficult to achieve, compressed air can pass through from the position or the gap with the lowest molding sand density, only a small amount of molding sand is taken away, and the defect of incomplete mold filling is often caused. Because of the structural shape of the sand shooting device, the molding sand at some positions is difficult to be taken away by compressed air and can be left at some dead angle positions, and the molding sand is solidified and hardened under the action of the binder, so that the sand shooting performance of the equipment is further influenced.
For the reasons, the prior art mostly adopts a top sand shooting and horizontal mold opening structure. And the sand is shot from the top, the mold with the horizontal mold opening structure has high production cost, the mold is provided with accessories such as a special sand shooting plate and the like, and the mold is troublesome to install and replace. This limits the application range of the process to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sand device is penetrated in floating in order to compensate prior art's defect.
The utility model discloses a realize through following technical scheme:
the utility model provides a sand device is penetrated in floating, is including penetrating the sand jar body, the bottom plate of penetrating the sand jar body for the slope, be equipped with into sand passageway on the top of penetrating the sand jar body, have the shooting plate at the bottom oral area fixed mounting who penetrates the sand jar body, install cushion, cover pad, intermediate level, inner liner and filter block in proper order in the bottom plate inboard of penetrating the sand jar body, still be equipped with down the intake duct on the bottom plate of penetrating the sand jar body.
An upper air inlet channel is also arranged at the upper part of the sand shooting tank body.
The upper air inlet channel is arranged on the rear side of the upper part of the sand shooting tank body or on the two sides of the upper part of the sand shooting tank body.
The middle layer divide into preceding middle level and back middle level, the inner liner divide into respectively with preceding middle level and the corresponding preceding inner liner in back middle level and back inner liner, the filter block set up in preceding inner liner and the square frame on the back inner liner. The front middle layer and the rear middle layer are designed into a front block and a rear block for convenient processing and assembly, and can also be designed into an integral block. The front lining layer and the rear lining layer are designed into a front lining layer and a rear lining layer for convenient processing and assembly, and can also be designed into a whole.
The soft cushion and the cover cushion are respectively fixed on the bottom plate of the sand shooting tank body through four holes by screws; the filter block is fixed on the front inner liner layer and the rear inner liner layer in a welding, riveting or threaded connection mode; the front inner liner, the front middle layer, the rear inner liner and the rear middle layer are all fixed on a bottom plate of the sand shooting tank body by screws.
The sand shooting plate is fixed at the opening part at the bottom end of the sand shooting tank body through a pressing plate and a U-shaped clamp through screws.
The filter block is a multi-layer stainless steel sintered net or a copper sintered body or a multi-layer steel wire mesh or other non-metallic materials.
Adding molding sand into the sand shooting tank body through the sand inlet channel, and sealing the sand inlet channel; blow in compressed air in the downward intake duct, compressed air that blows in from the lower intake duct exerts pressure to cushion and cover pad through penetrating the inboard hole of the internal bottom plate of sand jar, elastic deformation takes place for cushion and cover pad, compressed air escapes from the cushion and penetrates the internal bottom plate of sand jar, the gap between cushion and the cover pad, reach the cavity in intermediate level and inner liner, it is internal to penetrate the sand jar through the filter block entering, with the molding sand intensive mixing, the mixture of compressed air and molding sand removes to penetrating the sand board direction, penetrate the mould die cavity.
Lower intake duct blow in compressed air when, blow in compressed air to the upper intake duct, the mixture of compressed air and molding sand is to shooting sand board direction removal under the compressed air combined action that upper intake duct and lower intake duct got into, jets into the mould die cavity.
The utility model has the advantages that: the utility model can overcome the influence of gravity, so that the molding sand can be injected into the die cavity in an ideal state, and the molding sand can be injected farther and is easier to fill the die; the utility model adopts the air inlet structure to lead the compressed air to enter the device in a dispersed state, thus driving the molding sand to the maximum extent and avoiding part of the molding sand from remaining in situ and solidifying before ejection; the utility model discloses a level penetrate sand structure, the supporting mould simple structure that does not need accessories such as dedicated sand shooting plate to the mould assembly is changed conveniently.
Drawings
Fig. 1 is a front external structure view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a rear external structure view of the present invention.
Fig. 4 is a cross-sectional view of an embodiment of the present invention.
Fig. 5 is a cross-sectional view of the second embodiment of the present invention.
Fig. 6 is a three-dimensional partial sectional view of the present invention.
Fig. 7 is a three-dimensional exploded view of the device.
Detailed Description
As shown in fig. 1, a sand device is penetrated to float, including penetrating the sand jar body 1, penetrate the bottom plate 2 of the sand jar body 1 for the slope, be equipped with into sand passageway 3 on penetrating the top of the sand jar body 1, be equipped with shooting plate 4 at the bottom mouth part fixed mounting who penetrates the sand jar body 1, install cushion 5, apron 6, intermediate level 7, inner liner 8 and filter block 9 in proper order in penetrating the 2 inboards of the bottom plate of the sand jar body 1, still be equipped with down intake duct 10 on penetrating the bottom plate of the sand jar body 1.
In the embodiment, the soft pad 5 is made of silica gel or rubber, the cover pad 6 is made of plastic plates, the middle layer 7 is made of plastic plates, and the inner liner layer 8 can be a stainless steel plate, a common steel plate or a titanium alloy plate.
An upper air inlet channel 11 is also arranged at the upper part of the sand shooting tank body 1.
The upper air inlet duct 11 is arranged at the rear side of the upper part of the sand shooting tank body 1 or at the two sides of the upper part of the sand shooting tank body 1.
The middle layer 7 is divided into a front middle layer 7-1 and a rear middle layer 7-2, the lining layer 8 is divided into a front lining layer 8-1 and a rear lining layer 8-2 which correspond to the front middle layer 7-1 and the rear middle layer 7-2 respectively, and the filter block 9 is arranged in a square frame above the front lining layer 8-1 and the rear lining layer 8-2. The front middle layer 7-1 and the rear middle layer 7-2 are designed into a front block and a rear block for convenient processing and assembly, and can also be designed into an integral block. The front lining layer and the rear lining layer are designed into a front lining layer and a rear lining layer for convenient processing and assembly, and can also be designed into a whole.
The soft cushion 5 and the cover cushion 6 are respectively fixed on the bottom plate 2 of the sand shooting tank body 1 through four holes by screws; the filter block 9 is fixed on the front lining layer 8-1 and the rear lining layer 8-2 in a welding, riveting or threaded connection mode; the front inner lining layer 8-1, the front middle layer 7-1, the rear inner lining layer 8-2 and the rear middle layer 7-2 are all fixed on the bottom plate 2 of the sand shooting tank body 1 through screws.
The sand shooting plate 4 is fixed at the opening part at the bottom end of the sand shooting tank body 1 through a pressing plate 12 and a U-shaped clamp 13 for screws.
The filter block 9 is a multi-layer stainless steel sintered net or a copper sintered body or a multi-layer steel wire mesh or other non-metallic materials.
The first embodiment is as follows: adding molding sand 14 into the sand shooting tank body through the sand inlet channel, and sealing the sand inlet channel 3; blow in compressed air in the downward intake duct 10, the compressed air that blows in from the intake duct 10 down exerts pressure to cushion 5 and dottle 6 through the hole of shooting the 2 inboard of the jar body bottom plates of sand, cushion 5 and dottle 6 take place elastic deformation, compressed air is from cushion 5 and shooting the jar body bottom plates of sand 2, the gap between cushion 5 and the dottle 6 escapes, reach intermediate level 7 and 8 cavities of inner liner, it penetrates jar body 1 inside to get into through filter block 9, with 14 intensive mixing of molding sand, the mixture of compressed air and molding sand is to shooting 4 directions of sand board and removing, shoot into mould cavity 15.
Example two: adding molding sand into the sand shooting tank body 1 through the sand inlet channel 3, and sealing the sand inlet channel 3; blow in compressed air respectively in the air inlet duct 10 and the last air inlet duct 11 down, the compressed air that blows in from air inlet duct 10 down exerts pressure to cushion 5 and gai mian 6 through the hole of shooting the sand jar body bottom plate 2, cushion 5 and gai mian 6 take place elastic deformation, compressed air is from cushion 5 and shooting the sand jar body bottom plate 2, the gap between cushion 5 and the gai mian 6 escapes, reach the cavity in intermediate level 8 and inner liner 9, it penetrates the sand jar body 1 inside to get into through filter block 9, and 14 intensive mixings of molding sand, the mixture of compressed air and molding sand is to shooting the removal of sand board direction. The compressed air entering the upper air inlet 11 is injected into the mold cavity under the combined action of the compressed air. The upper air inlet duct 11 may be disposed at the upper rear side of the sand shooting tank 1, or may be disposed at two sides of the upper portion of the sand shooting tank 1. The upper air inlet duct 11 may be one or a plurality thereof. Compressed air is blown into the upper air inlet channel and the lower air inlet channel respectively, and the compressed air can be blown into the upper air inlet channel and the lower air inlet channel simultaneously or sequentially. Compressed air is blown into the upper air inlet channel and the lower air inlet channel respectively, the compressed air can be blown into the upper air inlet channel and the lower air inlet channel at the same pressure, and the compressed air can also be blown into the lower air inlet channel at different pressures.
Claims (7)
1. The utility model provides a sand device is penetrated to float which characterized in that: the sand shooting device comprises a sand shooting tank body, wherein a bottom plate of the sand shooting tank body is inclined, a sand inlet channel is arranged at the top end of the sand shooting tank body, a sand shooting plate is fixedly arranged at the opening part of the bottom end of the sand shooting tank body, a soft cushion, a cover cushion, an intermediate layer, an inner liner and a filter block are sequentially arranged on the inner side of the bottom plate of the sand shooting tank body, and a lower air inlet channel is further arranged on the bottom plate of the sand shooting tank body.
2. The floating sand shooting device according to claim 1, wherein: an upper air inlet channel is also arranged at the upper part of the sand shooting tank body.
3. A floating sand shooting apparatus as claimed in claim 2, wherein: the upper air inlet channel is arranged on the rear side of the upper part of the sand shooting tank body or on the two sides of the upper part of the sand shooting tank body.
4. The floating sand shooting device according to claim 1, wherein: the middle layer divide into preceding middle level and back middle level, the inner liner divide into respectively with preceding middle level and the corresponding preceding inner liner in back middle level and back inner liner, the filter block set up in preceding inner liner and the square frame on the back inner liner.
5. The floating sand shooting device according to claim 4, wherein: the soft cushion and the cover cushion are respectively fixed on the bottom plate of the sand shooting tank body through four holes by screws; the filter block is fixed on the front inner liner layer and the rear inner liner layer in a welding, riveting or threaded connection mode; the front inner liner, the front middle layer, the rear inner liner and the rear middle layer are all fixed on a bottom plate of the sand shooting tank body by screws.
6. The floating sand shooting device according to claim 1, wherein: the sand shooting plate is fixed at the opening part at the bottom end of the sand shooting tank body through a pressing plate and a U-shaped clamp through screws.
7. The floating sand shooting device according to claim 1, wherein: the filter block is a multi-layer stainless steel sintered net or a copper sintered body or a multi-layer steel wire mesh or other non-metallic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021856588.8U CN212469672U (en) | 2020-08-31 | 2020-08-31 | Floating sand shooting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021856588.8U CN212469672U (en) | 2020-08-31 | 2020-08-31 | Floating sand shooting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212469672U true CN212469672U (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021856588.8U Active CN212469672U (en) | 2020-08-31 | 2020-08-31 | Floating sand shooting device |
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| CN (1) | CN212469672U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957906A (en) * | 2020-08-31 | 2020-11-20 | 马鞍山市黎明天工自动化设备有限公司 | Floating sand shooting device and method |
| CN115090829A (en) * | 2022-07-20 | 2022-09-23 | 中航工程集成设备有限公司 | Composite pressure-equalizing structure for making sand particles evenly and stably suspended and sand floating device |
-
2020
- 2020-08-31 CN CN202021856588.8U patent/CN212469672U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957906A (en) * | 2020-08-31 | 2020-11-20 | 马鞍山市黎明天工自动化设备有限公司 | Floating sand shooting device and method |
| CN115090829A (en) * | 2022-07-20 | 2022-09-23 | 中航工程集成设备有限公司 | Composite pressure-equalizing structure for making sand particles evenly and stably suspended and sand floating device |
| CN115090829B (en) * | 2022-07-20 | 2023-12-08 | 中航工程集成设备有限公司 | Composite pressure equalizing structure for making sand particles uniformly and stably suspend and sand floating device |
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