CN202725982U - Anti-sand falling device of special sand-shooting board for hot-box core making - Google Patents
Anti-sand falling device of special sand-shooting board for hot-box core making Download PDFInfo
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- CN202725982U CN202725982U CN 201220431455 CN201220431455U CN202725982U CN 202725982 U CN202725982 U CN 202725982U CN 201220431455 CN201220431455 CN 201220431455 CN 201220431455 U CN201220431455 U CN 201220431455U CN 202725982 U CN202725982 U CN 202725982U
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- penetrating
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Abstract
An anti-sand falling device of a special sand-shooting board for hot-box core making comprises a sand-shooting board, a concave sand blocking board, sand-shooting pipes, rubber sand-shooting nozzles and a sand-shooting head, wherein the sand-shooting head covers the sand-shooting board, the sand-shooting pipes are respectively fixed in a plurality of sand-shooting holes in the sand-shooting board, the concave sand blocking board is inversely buckled on the sand-shooting board so as to cover the plurality of sand-shooting pipes, gaps are left between the tops of the plurality of the sand-shooting pipes and the concave sand blocking board, the bottom ends of the two side walls of the concave sand blocking board are fixed on the sand-shooting board and keep the gaps with the inner cavity wall of the sand-shooting head; and a plurality of rubber sand-shooting nozzles are respectively arranged in the bottom surface of the sand-shooting board by corresponding to the plurality of sand-shooting holes. The anti-sand falling device can be used for effectively preventing the sand falling phenomenon, so that the sand core quality is ensured, the manual repairing process is reduced, the shifting speed of the sand-shooting head is increased, the single circulation time for core making is shortened, the production efficiency is increased, and the precoated sand waste is saved.
Description
Technical field
The utility model is a kind of anti-knockout device of sand plate of penetrating, and relates in particular to a kind of anti-knockout device of hot box process Special ejection sand plate.
Background technology
In the sand casting, general factory all adopts automatic core making machine, core making machine penetrates on the sand plate without the device of preventing knockout at present, the core making machine sand-shooting head presses down in the process that core sand can drop into by sand-spraying hole in the core box die cavity in the sand-shooting head in moving process or under static state or at sand-shooting head in the coremaking process, the core sand that drops is the rapid curing caking in the core box die cavity of high temperature, can not be cured as one with affecting the core sand that postorder normally injects in the die cavity with the core sand that solidified, cause moulding core surface local coarse unreal, misruns etc. are bad, in order to guarantee the quality of final casting, operating personnel must repair core, have increased production process and personnel labor intensity; On the other hand, have to reduce the sand-shooting head translational speed in order to reduce knockout, this has just increased the single cycle time of coremaking, has reduced production efficiency; Because core material is mostly used the higher precoated sand of price, can not reuse and reclaim again, also makes the waste of raw material, has increased production cost.
The utility model content
Technical problem underlying to be solved in the utility model is, overcome the defects that prior art exists, and provide a kind of anti-knockout device of hot box process Special ejection sand plate, effectively prevent the generation of knockout phenomenon, guaranteed the quality of core, reduced the operation of artificial reparation, improved the translational speed of sand-shooting head, shorten the single cycle time of coremaking, improved production efficiency, saved the waste of precoated sand.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of anti-knockout device of hot box process Special ejection sand plate, it is characterized in that, comprise penetrate sand plate, matrix sand block plate, penetrate sandpipe, rubber is penetrated sand mouth and sand-shooting head, the sand-shooting head cover is put and is being penetrated on the sand plate, penetrating several sand-spraying holes on the sand plate fixes respectively several and penetrates sandpipe, matrix sand block plate tips upside down on to be penetrated on the sand plate, several are penetrated sandpipe covers, several are penetrated between sandpipe top and matrix sand block plate and leave the space, bottom, matrix sand block plate two side be fixed on penetrate above the sand plate and and the sand-shooting head internal chamber wall between leave the space; The position of penetrating corresponding several sand-spraying holes in sand plate bottom surface is respectively equipped with several rubber and penetrates Sha Zui, and these several rubber are penetrated Sha Zui and are positioned at and penetrate sand plate bottom surface.
The anti-knockout device of described hot box process Special ejection sand plate, wherein, this penetrates sandpipe, and effective length is the 23-28 millimeter on the sand plate penetrating, and internal diameter is at the 10-20 millimeter, and its lower end outer surface is provided with screw thread and is combined fixing with the sand-spraying hole internal thread of penetrating the sand plate.
The anti-knockout device of described hot box process Special ejection sand plate, wherein, the matrix sand block plate top that this back-off is firmly penetrated sandpipe is higher than penetrates sandpipe 4-6 millimeter, matrix sand block plate two lateral extent sand-shooting head both sides 4-6 millimeters.
The anti-knockout device of described hot box process Special ejection sand plate, wherein, it is that circular high-temperature resistant rubber material becomes T shape that this rubber is penetrated the sand mouth, its vertical section lower end is with externally threaded stationary pipes, penetrate Sha Zui and be into M shape, penetrating Sha Zui under the normal condition is to be in closed state, is subject to penetrating behind the air pressure that the sand mouth is opening-like is in penetrating state, and rubber is penetrated Sha Zui, and to be to be combined with the internal thread of sand-spraying hole in backspin incident sand plate bottom fixing.
The beneficial effects of the utility model are, have effectively prevented the generation of knockout phenomenon, have guaranteed the quality of core, reduce the operation of artificial reparation, improved the translational speed of sand-shooting head, shortened the single cycle time of coremaking, improve production efficiency, saved the waste of precoated sand.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is planar structure schematic diagram of the present utility model.
Fig. 2 is Facad structure schematic diagram of the present utility model.
Fig. 3 is reverse side structural representation of the present utility model.
The number in the figure explanation:
1 penetrates the sand plate
2 matrix sand block plates
3 penetrate sandpipe
4 rubber are penetrated Sha Zui
5 sand-shooting heads
6 sand-shooting head internal chamber walls
7 penetrate Sha Zui
The specific embodiment
Consult Fig. 1, Fig. 2, shown in Figure 3, the anti-knockout device of the utility model hot box process Special ejection sand plate, comprise penetrate sand plate 1, matrix sand block plate 2, penetrate sandpipe 3, rubber is penetrated sand mouth 4 and sand-shooting head 5, sand-shooting head 5 covers are put and are being penetrated on the sand plate 1, penetrating several sand-spraying holes on the sand plate 1 fixes respectively several and penetrates sandpipe 3, matrix sand block plate 2 tips upside down on to be penetrated on the sand plate 1, several are penetrated sandpipe 3 covers, several penetrate sandpipe 3 tops and 2 of matrix sand block plates leave the space, bottom, matrix sand block plate 2 two side be fixed on penetrate above the sand plate 1 and and sand-shooting head 5 internal chamber walls between leave the space; The position of penetrating corresponding several sand-spraying holes in sand plate 1 bottom surface is respectively equipped with several rubber and penetrates sand mouth 4, and these several rubber are penetrated sand mouth 4 and are positioned at and penetrate sand plate 1 bottom surface.
The anti-knockout device of described hot box process Special ejection sand plate, wherein, this penetrates sandpipe 3, and effective length is the 23-28 millimeter on the sand plate 1 penetrating, and internal diameter is at the 10-20 millimeter, and its lower end outer surface is provided with screw thread and is combined fixing with the sand-spraying hole internal thread of penetrating sand plate 1.
The anti-knockout device of described hot box process Special ejection sand plate, wherein, matrix sand block plate 2 tops that this back-off is firmly penetrated sandpipe 3 are higher than penetrates sandpipe 34-6 millimeter, 2 liang of lateral extent sand-shooting heads of matrix sand block plate, 5 both sides 4-6 millimeters.
The anti-knockout device of described hot box process Special ejection sand plate, wherein, this rubber is penetrated sand mouth 4 and is become T shape for circular high-temperature resistant rubber material, its vertical section lower end is with externally threaded stationary pipes, penetrate sand mouth 7 and be into M shape, penetrating sand mouth 7 under the normal condition is to be in closed state, is subject to penetrating behind the air pressure that sand mouth 7 is opening-like is in penetrating state, and rubber is penetrated sand mouth 4, and to be to be combined with the internal thread of sand-spraying hole in backspin incident sand plate 1 bottom fixing.
Sand-shooting head 5 move or lower injection sand before, the core sands in the sand-shooting head 5 are because spill sand block plate 2 and penetrate sandpipe 3 and slow down core sand and flow into the speed of penetrating sandpipe 3, rubber is penetrated sand mouth 4 and is in closure state simultaneously, core sand can't flow out from penetrating sand plate 1; When sand-shooting head 5 is penetrated sand, compressed air blows afloat core sand from penetrating in the sandpipe 3 and blows out, because rubber is penetrated sand mouth 4 and is under pressure to open and penetrates sand mouth 7 core sand is blown into hot box, sand-shooting head 5 stops to penetrate sand, compressed air fails, the sand mouth 7 of penetrating that rubber is penetrated sand mouth 4 is recovering closed state without under the External Force Acting, stops core sand to flow out, and finally reaches anti-knockout effect.
The utility model is simple in structure, and is easy for installation, the problem of having avoided core sand to spill, in the sand-shooting head moving process, reach when sand-shooting head presses down and prevented the drop phenomenon, improved operating efficiency, reduced manufacturing cost, guarantee the quality of core, reduced the operation of artificial reparation, improved the translational speed of sand-shooting head, shortened the single cycle time of coremaking, improved production efficiency, saved the waste of precoated sand, the up-to-date production cost of having saved.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.
In sum, the utility model is on structural design, use practicality and cost benefit, meet industry development fully required, and the structure that discloses also is to have unprecedented innovative structure, have novelty, creativeness, practicality, the regulation that meets relevant new patent important document is therefore mention application in accordance with the law.
Claims (4)
1. the anti-knockout device of a hot box process Special ejection sand plate, it is characterized in that, comprise and penetrate sand plate (1), matrix sand block plate (2), penetrate sandpipe (3), several rubber are penetrated Sha Zui (4) and sand-shooting head (5), sand-shooting head (5) cover is put and is being penetrated on the sand plate (1), penetrating several sand-spraying holes on the sand plate (1) fixes respectively several and penetrates sandpipe (3), matrix sand block plate (2) tips upside down on to be penetrated on the sand plate (1), several are penetrated sandpipe (3) covers, several are penetrated between sandpipe (3) top and matrix sand block plate (2) and leave the space, matrix sand block plate (2) bottom, two side be fixed on penetrate above the sand plate (1) and and sand-shooting head (5) internal chamber wall between leave the space; The position of penetrating corresponding several sand-spraying holes in sand plate (1) bottom surface is respectively equipped with several rubber and penetrates Sha Zui (4), and these several rubber are penetrated Sha Zui (4) and are positioned at and penetrate sand plate (1) bottom surface.
2. the anti-knockout device of described hot box process Special ejection sand plate according to claim 1, it is characterized in that: the described sandpipe (3) of penetrating is the 23-28 millimeter penetrating the upper effective length of sand plate (1), internal diameter is at the 10-20 millimeter, and its lower end outer surface is provided with screw thread and is combined fixing with the sand-spraying hole internal thread of penetrating sand plate (1).
3. the anti-knockout device of described hot box process Special ejection sand plate according to claim 1, it is characterized in that: matrix sand block plate (2) top that described back-off is firmly penetrated sandpipe (3) is higher than penetrates sandpipe (3) 4-6 millimeter, matrix sand block plate (2) two lateral extent sand-shooting head (5) both sides 4-6 millimeters.
4. the anti-knockout device of described hot box process Special ejection sand plate according to claim 1, it is characterized in that: described rubber is penetrated Sha Zui (4) and is become T shape for circular high-temperature resistant rubber material, its vertical section lower end is with externally threaded stationary pipes, penetrate Sha Zui (7) and be into M shape, penetrating Sha Zui (7) under the normal condition is to be in closed state, be subject to penetrating behind the air pressure that Sha Zui (7) is opening-like is in penetrating state, rubber is penetrated Sha Zui (4), and to be to be combined with the internal thread of sand-spraying hole in backspin incident sand plate (1) bottom fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220431455 CN202725982U (en) | 2012-08-28 | 2012-08-28 | Anti-sand falling device of special sand-shooting board for hot-box core making |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220431455 CN202725982U (en) | 2012-08-28 | 2012-08-28 | Anti-sand falling device of special sand-shooting board for hot-box core making |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202725982U true CN202725982U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220431455 Expired - Fee Related CN202725982U (en) | 2012-08-28 | 2012-08-28 | Anti-sand falling device of special sand-shooting board for hot-box core making |
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|---|---|
| CN (1) | CN202725982U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962406A (en) * | 2012-12-05 | 2013-03-13 | 苏州明志科技有限公司 | Easy sand ejection board |
| CN106552904A (en) * | 2016-12-01 | 2017-04-05 | 西峡县众德汽车部件有限公司 | A kind of sand shooting mouth for improving precoated sand mo ld void |
| CN110252963A (en) * | 2019-07-30 | 2019-09-20 | 侯马市东鑫机械铸造有限公司 | Sand integrated tooling is penetrated on foundry production line |
| CN112589050A (en) * | 2020-10-29 | 2021-04-02 | 德盛镁汽车部件（芜湖）有限公司 | Recoverable baffle core box for manufacturing water jacket of engine cylinder cover |
-
2012
- 2012-08-28 CN CN 201220431455 patent/CN202725982U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962406A (en) * | 2012-12-05 | 2013-03-13 | 苏州明志科技有限公司 | Easy sand ejection board |
| CN102962406B (en) * | 2012-12-05 | 2015-06-24 | 苏州明志科技有限公司 | Easy sand ejection board |
| CN106552904A (en) * | 2016-12-01 | 2017-04-05 | 西峡县众德汽车部件有限公司 | A kind of sand shooting mouth for improving precoated sand mo ld void |
| CN110252963A (en) * | 2019-07-30 | 2019-09-20 | 侯马市东鑫机械铸造有限公司 | Sand integrated tooling is penetrated on foundry production line |
| CN112589050A (en) * | 2020-10-29 | 2021-04-02 | 德盛镁汽车部件（芜湖）有限公司 | Recoverable baffle core box for manufacturing water jacket of engine cylinder cover |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20180828 |
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| CF01 | Termination of patent right due to non-payment of annual fee |