CN204430214U - A kind of controlled She Sha mechanism of core shooter - Google Patents
A kind of controlled She Sha mechanism of core shooter Download PDFInfo
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- CN204430214U CN204430214U CN201420804941.6U CN201420804941U CN204430214U CN 204430214 U CN204430214 U CN 204430214U CN 201420804941 U CN201420804941 U CN 201420804941U CN 204430214 U CN204430214 U CN 204430214U
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- sand
- valve
- storage bag
- gas storage
- jet valve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/23—Compacting by gas pressure or vacuum
- B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles
- B22C15/245—Blowing tubes
Abstract
The utility model discloses a kind of controlled She Sha mechanism of core shooter, comprise compressed gas source, intake valve, gas storage bag, Sand jet valve device and sand-shooting head device, gas storage bag connects compressed gas source through intake valve, Sand jet valve device comprises the first Sand jet valve and the second Sand jet valve that are arranged in parallel, gas storage bag is connected sand-shooting head device through the first intake valve with the second intake valve, first Sand jet valve is the 2/2-way valve of latus rectum within the scope of DN25 ~ DN100, second Sand jet valve is the adjustable valve of maximum diameter within the scope of DN25 ~ DN100, the core that different size can be mated in above-mentioned controlled She Sha mechanism provides penetrates sand mode, improve and penetrate sand effect, be applicable to the production of complicated core, improve the versatility of core shooter.
Description
Technical field
The utility model relates to a kind of controlled She Sha mechanism of core shooter.
Background technology
The sand molding principle of penetrating of core shooter by compressed air, molding sand is penetrated plate through mould from sand-shooting head device to be packed into core box moulding, general She Sha mechanism is primarily of gas storage bag, intake valve, Sand jet valve composition at present, intake valve controls outside factory building air inlet the inner constant voltage (i.e. the shooting pressure of core shooter) of gas bag, Sand jet valve controls gas bag gas outlet and opens and close, and completes core-shooting process.
Existing conventional Sand jet valve adopts 2/2-way control valve, only opens and close two states.Penetrate sand model single, Sand jet valve is opened and is penetrated sand and start, when reaching the shooting time of setting, Sand jet valve is closed, complete and penetrate sand, when different core produced by a core shooter, technology controlling and process can only be carried out by adjustment shooting pressure and shooting time, cause and penetrate the single phenomenon of sand model, penetrating in sand technology controlling and process and can only mate all kinds of core by adjustment shooting pressure and shooting time, in use and the test result of reality, the adjustment of shooting time, for penetrating substantially not affecting of sand effect, extends shooting time and also cannot optimize and penetrate sand effect.
The above-mentioned single phenomenon of sand model of penetrating is inscribed and is brought following problem to coremaking:
Problem one is: when producing complicated core, when occurring penetrating unreal problem, just be merely able to improve shooting pressure and obtain qualified core, but shooting pressure strengthens the wearing and tearing that rear first easily causes mould, long-time use needs manual repair mould, and second easily makes Mold air vent plug block up, and makes to penetrate next time sand effect poorer, and increase the cleaning venting plug frequency, affect coremaking efficiency.3rd easily makes mold cavity surface scab, increases labor cleaning's workload;
Problem two is: improve the production that shooting pressure also cannot realize complicated core, can only research and develop special core shooter and produce, She Sha mechanism poor universality according to this type of complicated core;
Problem three is: on a core shooter, produce small-sized core, medium core, large-scale core, namely produces the core of different size respectively by the coremaking ability of core shooter, owing to penetrating sand model restriction, possibly cannot all make qualified core.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of controlled She Sha mechanism of core shooter, and the core that can mate different size provides penetrates sand mode, improves and penetrates sand effect, be applicable to the production of complicated core, improves the versatility of core shooter.
To achieve the above object of the invention, the technical solution adopted in the utility model is: a kind of controlled She Sha mechanism of core shooter, comprise gas storage bag, intake valve, Sand jet valve device and sand-shooting head device, described gas storage bag connects compressed gas source through intake valve, described Sand jet valve device comprises the first Sand jet valve and the second Sand jet valve that are arranged in parallel, described gas storage bag is connected described sand-shooting head device through described first Sand jet valve with the second Sand jet valve, described first Sand jet valve is the 2/2-way valve of latus rectum within the scope of DN25 ~ DN100, described second Sand jet valve is the adjustable valve of maximum diameter within the scope of DN25 ~ DN100.
In technique scheme, described gas storage bag is provided with the inlet channel being communicated with described compressed gas source, and described intake valve is arranged on described inlet channel.
In technique scheme, described gas storage bag is provided with the outlet passageway being communicated with described sand-shooting head device, and described 2/2-way valve and described adjustable valve are arranged in parallel on described outlet passageway.
In technique scheme, described gas storage bag is provided with and is arranged in parallel and is communicated with the first outlet passageway and second outlet passageway of described sand-shooting head device, described 2/2-way valve is arranged on described first outlet passageway, and described adjustable valve is arranged on described second outlet passageway.
In technique scheme, described intake valve is pressure-control valve.
In technique scheme, described gas storage bag is provided with pressure monitoring switch, and described pressure monitoring switch is electrically connected described intake valve.
Because technique scheme is used, the utility model compared with prior art has following advantages:
(1) the utility model adopts controlled She Sha mechanism and controlledly penetrates sand method, can obtain better to penetrate sand effect, and principle, realize molding sand early stage at core-shooting process enrich at a slow speed, the core-shooting process later stage carries out consolidation again, is particularly suitable for complicated core and thin wall core;
(2) the utility model adopts controlled She Sha mechanism and controlledly penetrates sand method, and multiple sand model of penetrating can supporting different core type, improves the versatility of She Sha mechanism, is applicable to all kinds of core.
(3) the utility model adopts controlled She Sha mechanism and controlledly penetrates sand method, can reduce shooting pressure for complicated core, reduces mould loss, reduces mould scab situation, reduces venting plug cleaning manual time.
Accompanying drawing explanation
The front view of Fig. 1 controlled She Sha mechanism disclosed in the utility model;
The top view of Fig. 2 controlled She Sha mechanism disclosed in the utility model.
Wherein, 1, gas storage bag; 11, inlet channel; 12, the first outlet passageway; 13, the second outlet passageway; 2, intake valve; 3, the first Sand jet valve; 4, the second Sand jet valve; 5, sand-shooting head device; 6, sand passage is penetrated.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment one
See Fig. 1 and Fig. 2, as shown in legend wherein, a kind of controlled She Sha mechanism of core shooter, comprise gas storage bag 1, intake valve 2, first Sand jet valve 3, second Sand jet valve 4 and sand-shooting head device 5, gas storage bag 1 is provided with the inlet channel 11 being communicated with compressed gas source, intake valve 2 is arranged on inlet channel 11, gas storage bag 1 is provided with the first outlet passageway 12 and the second outlet passageway 13 penetrating sand passage 6 connecting morphism sand head unit 5, first Sand jet valve 3 is arranged on the first outlet passageway 12, second Sand jet valve 4 is arranged on the second outlet passageway 13, first Sand jet valve 3 is the 2/2-way valve of latus rectum DN100, second Sand jet valve 4 is the adjustable valve of maximum diameter DN100.
Intake valve 2 is pressure-control valve, and when the pressure in gas storage bag 1 reaches setting value, intake valve 2 cuts out.
Introduce the controlled of a kind of core shooter below and penetrate sand method, controlled She Sha mechanism is as above adopted to carry out penetrating sand, wherein, the pressure of the gas in gas storage bag 1 is entered by controlling intake valve 2 setting, regulate the pressure of the gas entered in sand-shooting head device 5 by controlling the first Sand jet valve 3 and the second Sand jet valve 4, the control mode of above-mentioned Sand jet valve device is as follows:
(1) when the volume of the core of coremaking is less than 1/2L, close the first Sand jet valve 3, open the second Sand jet valve 4, first, control the latus rectum of the second Sand jet valve 4 at DN25, make the gases at high pressure in gas storage bag 1 be blown in core box by the mode of low discharge by the molding sand in sand-shooting head device 5, molding sand is enriched at a slow speed; Then, at shooting time through 1/4 ~ 1/2 shooting time, the latus rectum controlling the second Sand jet valve 4 is DN100, makes the gases at high pressure in gas storage bag 3 be blown in core box by the mode of large discharge by the molding sand in sand-shooting head device 5, makes the quick consolidation of molding sand;
(2) when the volume of the core of coremaking is more than or equal to 1/2L and is less than 1L, first, close the first Sand jet valve 3, open the second Sand jet valve 4, control the latus rectum of the second Sand jet valve 4 at DN25, make the gases at high pressure in gas storage bag 1 be blown in core box by the mode of low discharge by the molding sand in sand-shooting head device 5, molding sand is enriched at a slow speed; Then, at shooting time through 1/4 ~ 1/2 shooting time, the latus rectum controlling the second Sand jet valve 4 is DN100, and opens the first Sand jet valve 3, make the gases at high pressure in gas storage bag 1 be blown in core box by the mode of large discharge by the molding sand in sand-shooting head device 5, make the quick consolidation of molding sand;
(3) when the volume of the core of coremaking is more than or equal to 1L, open the first Sand jet valve 3 and the second Sand jet valve 4 simultaneously, control the latus rectum of the second Sand jet valve 4 at DN100, make the gases at high pressure in gas storage bag 1 be blown in core box by the mode of large discharge by the molding sand in sand-shooting head device 5, molding sand is enriched and consolidation fast.
Embodiment two
All the other are identical with described embodiment one, difference is, above-mentioned gas storage bag is provided with and is arranged in parallel and is communicated with the first outlet passageway and second outlet passageway of above-mentioned blasting unit, above-mentioned 2/2-way valve is arranged on above-mentioned first outlet passageway, and above-mentioned adjustable valve is arranged on above-mentioned second outlet passageway.
Embodiment three
All the other are identical with described embodiment one, difference is, above-mentioned gas storage bag is provided with pressure monitoring switch, and above-mentioned pressure monitoring switch electrical connection or gas connect above-mentioned intake valve, when pressure monitoring switch monitors reaches setup pressure value to the pressure in gas storage bag, above-mentioned intake valve cuts out.
Embodiment four
All the other are arbitrary identical with described embodiment one to three, and difference is, the control mode of above-mentioned Sand jet valve device is as follows:
(1) when the volume of the core of coremaking is less than 1/2L, close the first Sand jet valve, open the second Sand jet valve, first, the latus rectum controlling the second Sand jet valve, at DN35, makes the gases at high pressure in gas storage bag be blown in core box by the mode of low discharge by the molding sand in sand-shooting head device, molding sand is enriched at a slow speed; Then, at shooting time through 1/4 ~ 1/2 shooting time, the latus rectum controlling the second Sand jet valve is DN100, makes the gases at high pressure in gas storage bag be blown in core box by the mode of large discharge by the molding sand in blasting unit head unit, makes the quick consolidation of molding sand;
(2) when the volume of the core of coremaking is more than or equal to 1/2L and is less than 1L, first, close the first Sand jet valve, open the second Sand jet valve, control the latus rectum of the second Sand jet valve at DN35, make the gases at high pressure in gas storage bag be blown in core box by the mode of low discharge by the molding sand in blasting unit head unit, molding sand is enriched at a slow speed; Then, at shooting time through 1/4 ~ 1/2 shooting time, the latus rectum controlling the second Sand jet valve is DN100, and opens the second Sand jet valve, make the gases at high pressure in gas storage bag be blown in core box by the mode of large discharge by the molding sand in blasting unit head unit, make the quick consolidation of molding sand;
(3) when the volume of the core of coremaking is more than or equal to 1L, open the first Sand jet valve and the second Sand jet valve simultaneously, control the latus rectum of the second Sand jet valve at DN100, make the gases at high pressure in gas storage bag be blown in core box by the mode of large discharge by the molding sand in blasting unit sand head unit, molding sand is enriched and consolidation fast.
Embodiment five
All the other are arbitrary identical with described embodiment one to three, and difference is, the control mode of above-mentioned Sand jet valve device is as follows:
(1) when the volume of the core of coremaking is less than 1/2L, close the first Sand jet valve, open the second Sand jet valve, first, the latus rectum controlling the second Sand jet valve, at DN50, makes the gases at high pressure in gas storage bag be blown in core box by the mode of low discharge by the molding sand in sand-shooting head device, molding sand is enriched at a slow speed; Then, at shooting time through 1/4 ~ 1/2 shooting time, the latus rectum controlling the second Sand jet valve is DN100, makes the gases at high pressure in gas storage bag be blown in core box by the mode of large discharge by the molding sand in sand-shooting head device, makes the quick consolidation of molding sand;
(2) when the volume of the core of coremaking is more than or equal to 1/2L and is less than 1L, first, close the first Sand jet valve, open the second Sand jet valve, control the latus rectum of the second Sand jet valve at DN50, make the gases at high pressure in gas storage bag be blown in core box by the mode of low discharge by the molding sand in sand-shooting head device, molding sand is enriched at a slow speed; Then, at shooting time through 1/4 ~ 1/2 shooting time, the latus rectum controlling the second Sand jet valve is DN100, and opens the second Sand jet valve, make the gases at high pressure in gas storage bag be blown in core box by the mode of large discharge by the molding sand in sand-shooting head device, make the quick consolidation of molding sand;
(3) when the volume of the core of coremaking is more than or equal to 1L, open the first Sand jet valve and the second Sand jet valve simultaneously, control the latus rectum of the second Sand jet valve at DN100, make the gases at high pressure in gas storage bag be blown in core box by the mode of large discharge by the molding sand in sand-shooting head device, molding sand is enriched and consolidation fast.
Claims (6)
1. the controlled She Sha mechanism of a core shooter, comprise gas storage bag, intake valve, Sand jet valve device and sand-shooting head device, described gas storage bag connects compressed gas source through intake valve, it is characterized in that, described Sand jet valve device comprises the first Sand jet valve and the second Sand jet valve that are arranged in parallel, described gas storage bag is connected described sand-shooting head device through described first Sand jet valve with the second Sand jet valve, described first Sand jet valve is the 2/2-way valve of latus rectum within the scope of DN25 ~ DN100, and described second Sand jet valve is the adjustable valve of maximum diameter within the scope of DN25 ~ DN100.
2. controlled She Sha mechanism according to claim 1, is characterized in that, described gas storage bag is provided with the inlet channel being communicated with described compressed gas source, and described intake valve is arranged on described inlet channel.
3. controlled She Sha mechanism according to claim 1, is characterized in that, described gas storage bag is provided with the outlet passageway being communicated with described sand-shooting head device, and described 2/2-way valve and described adjustable valve are arranged in parallel on described outlet passageway.
4. controlled She Sha mechanism according to claim 1, it is characterized in that, described gas storage bag is provided with and is arranged in parallel and is communicated with the first outlet passageway and second outlet passageway of described sand-shooting head device, described 2/2-way valve is arranged on described first outlet passageway, and described adjustable valve is arranged on described second outlet passageway.
5. controlled She Sha mechanism according to claim 1, is characterized in that, described intake valve is pressure-control valve.
6. controlled She Sha mechanism according to claim 1, is characterized in that, described gas storage bag is provided with pressure monitoring switch, and described pressure monitoring switch electrical connection or gas connect described intake valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420804941.6U CN204430214U (en) | 2014-12-18 | 2014-12-18 | A kind of controlled She Sha mechanism of core shooter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420804941.6U CN204430214U (en) | 2014-12-18 | 2014-12-18 | A kind of controlled She Sha mechanism of core shooter |
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| CN204430214U true CN204430214U (en) | 2015-07-01 |
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| CN201420804941.6U Active CN204430214U (en) | 2014-12-18 | 2014-12-18 | A kind of controlled She Sha mechanism of core shooter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399904A (en) * | 2014-12-18 | 2015-03-11 | 苏州明志科技有限公司 | Controllable sand shooting mechanism and controllable sand shooting method of core shooter |
| CN105170912A (en) * | 2015-10-21 | 2015-12-23 | 苏州明志科技有限公司 | Sand blowing method for complex sand cores |
| WO2016095179A1 (en) * | 2014-12-18 | 2016-06-23 | 苏州明志科技有限公司 | Controllable sand shooting mechanism of core shooter and sand shooting method |
| CN117733079B (en) * | 2023-12-26 | 2024-05-14 | 烟台双诚机械有限公司 | Core shooter is with controllable sand mechanism that shoots |
-
2014
- 2014-12-18 CN CN201420804941.6U patent/CN204430214U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399904A (en) * | 2014-12-18 | 2015-03-11 | 苏州明志科技有限公司 | Controllable sand shooting mechanism and controllable sand shooting method of core shooter |
| WO2016095179A1 (en) * | 2014-12-18 | 2016-06-23 | 苏州明志科技有限公司 | Controllable sand shooting mechanism of core shooter and sand shooting method |
| CN105170912A (en) * | 2015-10-21 | 2015-12-23 | 苏州明志科技有限公司 | Sand blowing method for complex sand cores |
| CN105170912B (en) * | 2015-10-21 | 2017-07-11 | 苏州明志科技有限公司 | A kind of complicated core penetrates sand method |
| CN117733079B (en) * | 2023-12-26 | 2024-05-14 | 烟台双诚机械有限公司 | Core shooter is with controllable sand mechanism that shoots |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Address after: 215217, No. 1, No. 2 highway, Tongli Town, Wujiang District, Jiangsu, Suzhou Patentee after: Suzhou Mingzhi Technology Co., Ltd Address before: 215217, No. 1, No. 2 highway, Tongli Town, Wujiang District, Jiangsu, Suzhou Patentee before: SUZHOU MINGZHI TECHNOLOGY Co.,Ltd. |