CN103406498A - Core machine ration sand adding method and device - Google Patents
Core machine ration sand adding method and device Download PDFInfo
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- CN103406498A CN103406498A CN2013103726063A CN201310372606A CN103406498A CN 103406498 A CN103406498 A CN 103406498A CN 2013103726063 A CN2013103726063 A CN 2013103726063A CN 201310372606 A CN201310372606 A CN 201310372606A CN 103406498 A CN103406498 A CN 103406498A
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Abstract
The invention discloses a core machine ration sand adding method and device. The ration sand adding method comprises the following steps of additionally arranging a sand adding moving mechanism between a sand adding butterfly valve and a sand spraying cavity which are arranged below a sand storing hopper, and arranging a sand position height sensor; during the adding of sand, filling the sand in a sand storing hopper by utilizing a sand mixing system, moving the sand adding moving mechanism to a sand adding position, and communicating an outlet of the sand adding butterfly valve and the sand spraying cavity; detecting the sand position height in the sand spraying cavity by utilizing the sand position height sensor, judging whether the sand needs to be added, if so, switching on the sand adding butterfly valve, meanwhile, detecting whether the sand position in the sand spraying cavity achieves the setting height by utilizing the sand position height sensor, if so, closing the sand adding butterfly valve, shifting out the sand adding moving mechanism, and finishing the sand adding. The core machine ration sand adding method and device provided by the invention have the advantages that the ration sand adding is realized, a proportion problem of sand quantity to airflow in the sand spraying cavity of a core machine is solved, the service life of a core box is prolonged, the device and the method are used for manufacturing a complex sand core, meanwhile, the method is simple, a sand adding device structure does not need to be changed, and the realization is easy.
Description
Technical field
The present invention relates to a kind of metal casting machine, be specifically related to method and sanding device that a kind of core making machine quantitatively adds sand.
Background technology
Sand casting is with the molding sand consolidation, to become the casting method of casting mold, is widely used in the production of cast iron and steel-casting.Wherein, the manufacture of core is one important operation in sand casting.Core is generally by core box, to prepare realization by core making machine.Core making machine generally includes frame, sanding device, penetrates sand mechanism, air blowing shield and core box hoisting mechanism, wherein, sanding device generally comprise sand storage bin and be arranged on penetrate the top, chamber add the sand butterfly valve, molding sand enters and adds the sand cylinder through adding the sand butterfly valve.
The existing fixed head dummy core making machine of penetrating, add opening or closing of sand butterfly valve by control, realizes adding sand, by the control to adding the sand time limit add the sand amount the number, be difficult to accurate control.Add the sand overlong time, the sand amount is too much, adds sand butterfly valve seal device and easily damages, and also produces a large amount of energy consumption wastes; Add the sand time too short, adding the sand amount may not, affect the process of coremaking.In addition, if it is too much to add sand, penetrates in chamber and be full of molding sand, certainly will will strengthen shooting pressure, be difficult to realize the making of some more complicated cores, also easily cause the core making machine core box to reduce service life.
Chinese invention patent application CN102166617A discloses a kind of sand proportioning device, comprise a support, described support is provided with one and adds sandpipe, the described below that adds sandpipe is provided with an electronic scale, described electronic scale is connected with a reversing device, described reversing device can drive described electronic scale and reverse, and described electronic scale below is provided with quantitative sand hopper.This sand proportioning device can be realized with control, adding the sand amount to pouring the automatic weighing of the molding sand in quantitative sand hopper into.But this device as the transition apparatus that adds sand, need to arrange reversing device by electronic scale, simultaneously, twice need to be set and add sand butterfly valve, complex structure; Reversing device is easily polluted by molding sand and operates malfunctioning; Due to the setting of electronic scale and reversing device, add the sand passage and expose, easily cause molding sand to release or contaminated; And because the molding sand of penetrating in the sand chamber not necessarily can exhaust, the method that adds sand by weighing adds sand and after repeatedly adding sand, may cause molding sand to overflow.
Therefore, need to the sand method and apparatus that quantitatively adds of core making machine be improved, the science of realization adds sand.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of core making machine and quantitatively adds the sand method, quantitatively adds sand with what realize efficiently and accurately core making machine.Another goal of the invention of the present invention is to provide and a kind ofly realizes that this quantitatively adds the device of sand method.
To achieve the above object of the invention, the technical solution used in the present invention is: a kind of core making machine quantitatively adds the sand method, arranges and adds sand travel mechanism in adding the sand butterfly valve and penetrating between the sand chamber below sand storage bin, and sand position height sensor is set; While adding sand, mixing system is to back-up sand in sand storage bin, adds sand travel mechanism and moves to and add the sand position, is communicated with and adds the outlet of sand butterfly valve and penetrate the sand chamber; Sand position height sensor detects and penetrates the sand position height in the sand chamber, judges whether to add sand, adds sand as needs, open and add the sand butterfly valve, simultaneously, sand position height sensor detects the sand position of penetrating in the sand chamber and whether arrives setting height, while arriving setting height, close and add the sand butterfly valve; Shift out and add sand travel mechanism, complete and add sand.
In technique scheme, adding sand travel mechanism by setting, in adding the sand flow journey, be communicated with and add the outlet of sand butterfly valve and penetrate the sand chamber, avoid molding sand to leak, is movably owing to adding sand travel mechanism, can not affect and penetrate normally carrying out of sand flow journey and air blowing flow process.The movement that adds sand travel mechanism can be by realizing as cylinder or hydraulic cylinder.By sand position height sensor acquisition sand position, highly control and add the sand amount, easy to operate, simple in structure, can effectively control the sand amount.
Further technical scheme, arrange sand position flood sensor, when sand position flood sensor detects the sand position and overflows, closes and add the sand butterfly valve.
The quantitative sanding device of a kind of core making machine, comprise sand storage bin, be arranged on sand storage bin below add the sand butterfly valve, be positioned at add sand butterfly valve below penetrate sand chamber and controlling organization, described add below the sand butterfly valve to be provided with add sand travel mechanism, described add sand travel mechanism comprise with penetrate that sand top of chamber passage coordinates add sand cover and drive unit, add the sand cover and have two working positions, adding the sand working position, adding the sand cover and adding the sand butterfly valve and penetrating between the sand chamber, and connection adds the outlet of sand butterfly valve and penetrates sand top of chamber passage; Be provided with sand position height sensor, the output of sand position height sensor is electrically connected to the input of controlling organization, and the output of controlling organization is electrically connected to the controller that adds the sand butterfly valve.
In technique scheme, add the drive unit in sand travel mechanism, can adopt as cylinder or hydraulic cylinder and realize, as required, guide post is set the movement that adds the sand cover is led, make to add the sand cover and enter or exit and add the sand working position.
Further technical scheme, be provided with sand position flood sensor, and the output of described sand position flood sensor is electrically connected to the input of controlling organization.
In technique scheme, described sand position height sensor is to be arranged on the photoelectric sensor that adds sand butterfly valve below.
Described sand position flood sensor is to be arranged on the photoelectric sensor that adds sand butterfly valve below.
Preferred technical scheme, described photoelectric sensor is laser ranging type sensor, measurement category 150～2000mm, the way of output is 0～10v analog output.
Because technique scheme is used, the present invention compared with prior art has following advantages:
1. the present invention, by sand position height sensor being set and adding sand travel mechanism, realizes quantitatively adding sand, has solved the ratio problems of sand amount and air-flow in shooting case of core maker sand chamber, is conducive to improve core box service life, is suitable for making complicated core; Simultaneously, method of the present invention is simple, does not need the sanding device structure is done to large change, is easy to realize.
2. adopt to add sand travel mechanism and be communicated with and add the outlet of sand butterfly valve and penetrate the sand chamber, make to add the sand passage and do not expose, avoided passage to expose the adverse effect caused.
3. the setting of sand position flood sensor, can further avoid occurring adding the too much possibility of sand.
The accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 adds sand travel mechanism to leave the cross-sectional schematic (sand storage bin does not draw) while adding the sand working position.
Wherein: 1, sand storage bin; 2, add the sand butterfly valve; 3, sand position height sensor; 4, sand position flood sensor; 5, add sand travel mechanism; 6, penetrate the sand chamber; 7, penetrate head, 8, penetrate plate; 9, sand; 10, add the sand cover; 11, add the sand transition mechanism.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
Embodiment mono-: referring to illustrated in figures 1 and 2, the quantitative sanding device of a kind of core making machine, comprise sand storage bin 1, be arranged on sand storage bin 1 below add sand butterfly valve 2, be positioned at add sand butterfly valve 2 belows penetrate sand chamber 6, controlling organization.Penetrate sand chamber 6 and penetrate 7, penetrate plate 8 and form and penetrate sand mechanism together, penetrating in the sand chamber and have sand 9.
Described add below sand butterfly valve 2 to be provided with add sand travel mechanism 5, described add sand travel mechanism 5 comprise with penetrate that sand top of chamber passage coordinates add sand cover 10 and drive unit, add sand cover 10 and have two working positions, adding the sand working position, adding sand cover 10 is adding sand butterfly valve 2 and is penetrating between sand chamber 6, and being communicated with the top passageway that adds the outlet of sand butterfly valve 2 and penetrate sand chamber 6, the sand cover is arranged side by side with adding, and is provided with and adds sand transition mechanism 11 be used to realizing guiding; Be provided with sand position height sensor 3, the output of sand position height sensor 3 is electrically connected to the input of controlling organization, and the output of controlling organization is electrically connected to the controller that adds the sand butterfly valve; Be provided with sand position flood sensor 4, the output of described sand position flood sensor 4 is electrically connected to the input of controlling organization.
In the present embodiment, described sand position height sensor is to be arranged on the photoelectric sensor that adds sand butterfly valve below, photoelectric sensor is laser ranging type sensor, measurement category 150-2000mm, the way of output is the 0-10v analog output, by the measuring height difference, photoelectric sensor passes to the signal difference that PLC controls, and realizes highly controlling.Described sand position flood sensor is to be arranged on the photoelectric sensor that adds sand butterfly valve below, photoelectric sensor is laser ranging type sensor, measurement category 150-2000mm, the way of output is the 0-10v analog output, by the measuring height difference, photoelectric sensor passes to the signal difference that PLC controls, and realizes highly controlling).
Adopt the device of the present embodiment, while adding sand, mixing system is to back-up sand in sand storage bin, adds sand travel mechanism and moves to and add the sand position, is communicated with and adds the outlet of sand butterfly valve and penetrate the sand chamber; Sand position height sensor detects and penetrates the sand position height in the sand chamber, judges whether to add sand, adds sand as needs, open and add the sand butterfly valve, simultaneously, sand position height sensor detects the sand position of penetrating in the sand chamber and whether arrives setting height, while arriving setting height, close and add the sand butterfly valve; Shift out and add sand travel mechanism, complete and add sand.
When sand position flood sensor detects the sand position and overflows, close and add the sand butterfly valve.
Claims (8)
1. a core making machine quantitatively adds the sand method, it is characterized in that: in adding the sand butterfly valve and penetrating between the sand chamber below sand storage bin, arrange and add sand travel mechanism, sand position height sensor is set; While adding sand, mixing system is to back-up sand in sand storage bin, adds sand travel mechanism and moves to and add the sand position, is communicated with and adds the outlet of sand butterfly valve and penetrate the sand chamber; Sand position height sensor detects and penetrates the sand position height in the sand chamber, judges whether to add sand, adds sand as needs, open and add the sand butterfly valve, simultaneously, sand position height sensor detects the sand position of penetrating in the sand chamber and whether arrives setting height, while arriving setting height, close and add the sand butterfly valve; Shift out and add sand travel mechanism, complete and add sand.
2. core making machine according to claim 1 quantitatively adds the sand method, it is characterized in that: sand position flood sensor is set, when sand position flood sensor detects the sand position and overflows, closes and add the sand butterfly valve.
3. quantitative sanding device of core making machine, comprise sand storage bin (1), what be arranged on sand storage bin (1) below adds sand butterfly valve (2), be positioned at add sand butterfly valve (2) below penetrate sand chamber (6) and controlling organization, it is characterized in that: be provided with and add sand travel mechanism (5) in described sand butterfly valve (2) below of adding, described add sand travel mechanism (5) comprise with penetrate that sand chamber (6) top passageway coordinates add sand cover (10) and drive unit, add sand cover (10) and have two working positions, adding the sand working position, adding sand cover (10) is positioned at and adds sand butterfly valve (2) and penetrate between sand chamber (6), and connection adds the outlet of sand butterfly valve (2) and penetrates sand chamber (6) top passageway, be provided with sand position height sensor (3), the output of sand position height sensor (3) is electrically connected to the input of controlling organization, and the output of controlling organization is electrically connected to the controller that adds sand butterfly valve (2).
4. the quantitative sanding device of core making machine according to claim 3, it is characterized in that: be provided with sand position flood sensor, the output of described sand position flood sensor is electrically connected to the input of controlling organization.
5. according to the quantitative sanding device of the described core making machine of claim 3 or 4, it is characterized in that: described sand position height sensor is to be arranged on the photoelectric sensor that adds sand butterfly valve below.
6. the quantitative sanding device of core making machine according to claim 5, it is characterized in that: described photoelectric sensor is laser ranging type sensor, measurement category 150～2000mm, the way of output is 0～10v analog output.
7. the quantitative sanding device of core making machine according to claim 4 is characterized in that: described sand position flood sensor is to be arranged on the photoelectric sensor that adds sand butterfly valve below.
8. the quantitative sanding device of core making machine according to claim 7, it is characterized in that: described photoelectric sensor is laser ranging type sensor, measurement category 150～2000mm, the way of output is 0～10v analog output.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310372606.3A CN103406498B (en) | 2013-08-26 | 2013-08-26 | A kind of core machine ration adds sand method and device |
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| CN201310372606.3A CN103406498B (en) | 2013-08-26 | 2013-08-26 | A kind of core machine ration adds sand method and device |
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| CN103406498A true CN103406498A (en) | 2013-11-27 |
| CN103406498B CN103406498B (en) | 2015-12-02 |
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| CN201310372606.3A Active CN103406498B (en) | 2013-08-26 | 2013-08-26 | A kind of core machine ration adds sand method and device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399906A (en) * | 2014-12-18 | 2015-03-11 | 苏州明志科技有限公司 | Quantitative sand adding mechanism and quantitative sand adding method of core shooter |
| CN105458189A (en) * | 2015-12-22 | 2016-04-06 | 镇江久通电子科技有限公司 | Sand storage body on core shooting machine in foundry industry |
| WO2016095178A1 (en) * | 2014-12-18 | 2016-06-23 | 苏州明志科技有限公司 | Quantitative sand adding mechanism of core shooter and quantitative sand adding method |
| CN105964949A (en) * | 2016-07-23 | 2016-09-28 | 佛山市恒学科技服务有限公司 | Sand storage device for core shooting machine |
| CN107921525A (en) * | 2016-05-19 | 2018-04-17 | 新东工业株式会社 | To the molding sand supply method and molding sand feedway of sand hopper supply molding sand |
| CN109129225A (en) * | 2018-08-27 | 2019-01-04 | 马鞍山市兴隆铸造有限公司 | A kind of quantitative cloth sand device |
| JP2019093437A (en) * | 2017-11-27 | 2019-06-20 | パインパシフィック コーポレーション リミテッド | Mold sand quantitative measurement instrument in casting mold sand quantitative feeder |
| CN110449548A (en) * | 2019-08-30 | 2019-11-15 | 佛山市晗宇科技有限公司 | A kind of sand material feedway |
| WO2022166291A1 (en) * | 2021-02-03 | 2022-08-11 | 苏州明志科技股份有限公司 | Core sand manufacturing procedure and core sand manufacturing unit |
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| US2988789A (en) * | 1958-10-17 | 1961-06-20 | Taccone Pneumatic Foundry Equi | Diaphragm molding machine having a movable head |
| US3613770A (en) * | 1970-02-12 | 1971-10-19 | Sherwin Williams Co | Foundry sand article forming machine with pivotal blow reservoir |
| JPH01273648A (en) * | 1988-04-25 | 1989-11-01 | Asahi Tec Corp | Core forming machine with said adjusting device |
| JPH05329578A (en) * | 1992-05-26 | 1993-12-14 | Naniwa Seisakusho:Kk | Molding sand replenishing mechanism for mold molding machine using jointly level sensor and timer |
| US5630462A (en) * | 1993-10-07 | 1997-05-20 | Adolf Hottinger Maschinenbau Gmbh | Device for filling shooting heads |
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| CN203426387U (en) * | 2013-08-26 | 2014-02-12 | 苏州明志科技有限公司 | Quantitative sand addition device for core-making machine |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US2988789A (en) * | 1958-10-17 | 1961-06-20 | Taccone Pneumatic Foundry Equi | Diaphragm molding machine having a movable head |
| US3613770A (en) * | 1970-02-12 | 1971-10-19 | Sherwin Williams Co | Foundry sand article forming machine with pivotal blow reservoir |
| JPH01273648A (en) * | 1988-04-25 | 1989-11-01 | Asahi Tec Corp | Core forming machine with said adjusting device |
| JPH05329578A (en) * | 1992-05-26 | 1993-12-14 | Naniwa Seisakusho:Kk | Molding sand replenishing mechanism for mold molding machine using jointly level sensor and timer |
| US5630462A (en) * | 1993-10-07 | 1997-05-20 | Adolf Hottinger Maschinenbau Gmbh | Device for filling shooting heads |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399906A (en) * | 2014-12-18 | 2015-03-11 | 苏州明志科技有限公司 | Quantitative sand adding mechanism and quantitative sand adding method of core shooter |
| WO2016095178A1 (en) * | 2014-12-18 | 2016-06-23 | 苏州明志科技有限公司 | Quantitative sand adding mechanism of core shooter and quantitative sand adding method |
| CN105458189A (en) * | 2015-12-22 | 2016-04-06 | 镇江久通电子科技有限公司 | Sand storage body on core shooting machine in foundry industry |
| CN107921525A (en) * | 2016-05-19 | 2018-04-17 | 新东工业株式会社 | To the molding sand supply method and molding sand feedway of sand hopper supply molding sand |
| CN105964949A (en) * | 2016-07-23 | 2016-09-28 | 佛山市恒学科技服务有限公司 | Sand storage device for core shooting machine |
| JP2019093437A (en) * | 2017-11-27 | 2019-06-20 | パインパシフィック コーポレーション リミテッド | Mold sand quantitative measurement instrument in casting mold sand quantitative feeder |
| CN109129225A (en) * | 2018-08-27 | 2019-01-04 | 马鞍山市兴隆铸造有限公司 | A kind of quantitative cloth sand device |
| CN109129225B (en) * | 2018-08-27 | 2020-12-29 | 马鞍山市兴隆铸造有限公司 | Quantitative sand distributing device |
| CN110449548A (en) * | 2019-08-30 | 2019-11-15 | 佛山市晗宇科技有限公司 | A kind of sand material feedway |
| WO2022166291A1 (en) * | 2021-02-03 | 2022-08-11 | 苏州明志科技股份有限公司 | Core sand manufacturing procedure and core sand manufacturing unit |
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| CN103406498B (en) | 2015-12-02 |
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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. |