CN203426387U - Quantitative sand addition device for core-making machine - Google Patents
Quantitative sand addition device for core-making machine Download PDFInfo
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- CN203426387U CN203426387U CN201320519364.1U CN201320519364U CN203426387U CN 203426387 U CN203426387 U CN 203426387U CN 201320519364 U CN201320519364 U CN 201320519364U CN 203426387 U CN203426387 U CN 203426387U
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- sand
- butterfly valve
- making machine
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- sensor
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Abstract
The utility model discloses a quantitative sand addition device for a core-making machine. The device comprises a sand storage hopper, a sand addition butterfly valve below the sand storage hopper, a sand ejection cavity below the sand addition butterfly valve and a control mechanism, wherein a sand addition moving mechanism is arranged below the sand addition butterfly valve; the sand addition moving mechanism comprises a sand addition cover matched with a top passage of the sand ejection cavity and a driving device; the sand addition cover has two working positions, and is positioned between the sand addition butterfly valve and the sand ejection cavity and communicates an outlet of the sand addition butterfly valve and the top passage of the sand ejection cavity when being at the sand addition working positions; a sand height sensor is arranged, and the output end of the sand height sensor is electrically connected with the input end of the control mechanism; the output end of the control mechanism is electrically connected with a controller of the sand addition butterfly valve. The device can be used for quantitatively adding sand, so that the problem of proportion of the sand to airflow in the sand ejection cavity of the core-making machine is solved, the service life of a core box is favorably prolonged, and the device is suitable for the making of a complex sand core; the device is simple in structure and easy to implement, and the structure of the sand addition device does not need to be greatly changed.
Description
Technical field
The utility model relates to a kind of metal casting machine, is specifically related to the device that a kind of core making machine quantitatively adds sand.
Background technology
Sand casting is with 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 ,She sand mechanism, air blowing shield and core box hoisting mechanism, and wherein, what sanding device generally comprised that sand storage bin and being arranged on penetrates top, chamber adds sand butterfly valve, and molding sand enters and adds sand cylinder through adding sand butterfly valve.
The existing fixed head dummy core making machine of penetrating, adds opening or closing of sand butterfly valve by control, realize and to add sand, by add the control of sand time limit add sand amount number, be difficult to accurate control.Add sand overlong time, 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 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 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 to reverse, and described electronic scale below is provided with quantitative sand hopper.This sand proportioning device can be realized pouring the automatic weighing of the molding sand in quantitative sand hopper into, to control the sand amount that adds.But this device as the transition apparatus that adds sand, need to arrange reversing device by electronic scale, meanwhile, 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 sand passage and expose, easily cause molding sand to release or contaminated; And because the molding sand of penetrating in sand chamber not necessarily can exhaust, the method that adds sand by weighing adds sand and may cause molding sand to overflow after repeatedly adding sand.
Therefore, need to improve the quantitative sanding device of core making machine, the science of realization adds sand.
Summary of the invention
Goal of the invention of the present utility model is to provide the quantitative sanding device of a kind of core making machine, with what realize efficiently and accurately core making machine, quantitatively adds sand.
To achieve the above object of the invention, the technical solution adopted in the utility model is: the quantitative sanding device of a kind of core making machine, comprise sand storage bin, what be arranged on sand storage bin below adds sand butterfly valve, be positioned at add sand butterfly valve below penetrate sand chamber and controlling organization, described, be provided with Jia Sha travel mechanism below adding sand butterfly valve, described Jia Sha travel mechanism comprise with penetrate that sand top of chamber passage coordinates add sand cover and drive unit, add sand cover and there are two working positions, adding sand working position, adding sand cover is adding sand butterfly valve and is penetrating between 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 sand butterfly valve.
Drive unit in technique scheme Zhong，Jia sand travel mechanism, can adopt as cylinder or hydraulic cylinder and realize, and as required, guide post is set and to adding the movement of sand cover, leads, and makes to add sand cover and enters or exit and add sand working position.
Further technical scheme, is 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 utility model compared with prior art has following advantages:
1. the utility model is by sand position height sensor He Jia sand travel mechanism is set, and realizes and quantitatively adds sand, 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; Meanwhile, of the present utility model simple in structure, do not need sanding device structure to do large change, be easy to realize.
2. adopt Jia Sha travel mechanism to be communicated with and add the outlet of sand butterfly valve and penetrate sand chamber, make to add sand passage and do not expose, avoided passage to expose the adverse effect causing.
3. the setting of sand position flood sensor, can further avoid occurring adding the too much possibility of sand.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment mono-;
The cross-sectional schematic (sand storage bin does not draw) while adding sand working position is left by Tu2Shi Jia sand travel mechanism.
Wherein: 1, sand storage bin; 2, add sand butterfly valve; 3, sand position height sensor; 4, sand position flood sensor; 5 ,Jia sand travel mechanisms; 6, penetrate sand chamber; 7, penetrate head, 8, penetrate plate; 9, sand; 10, add sand cover; 11, add sand transition mechanism.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment mono-: shown in Fig. 1 and Fig. 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 together with plate 8 and form She Sha mechanism, penetrating and in sand chamber, there is sand 9.
Described, be provided with Jia Sha travel mechanism 5 below adding sand butterfly valve 2, described Jia Sha 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 there are two working positions, adding 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, sand cover is arranged side by side with adding, and is provided with and adds sand transition mechanism 11 for 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 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 0-10v analog output, different by measuring height, photoelectric sensor passes to the signal difference that PLC controls, and realizes highly and 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 0-10v analog output, different by measuring height, photoelectric sensor passes to the signal difference that PLC controls, and realizes highly and controlling).
Adopt the device of the present embodiment, while adding sand, mixing system moves to and adds sand position to back-up sand ，Jia sand travel mechanism in sand storage bin, is communicated with and adds the outlet of sand butterfly valve and penetrate sand chamber; Sand position height sensor detects and penetrates the sand position height in sand chamber, judges whether to add sand, as needs add sand, open and add sand butterfly valve, meanwhile, sand position height sensor detects the sand position of penetrating in sand chamber and whether arrives setting height, while arriving setting height, close and add sand butterfly valve; Shift out Jia Sha travel mechanism, complete and add sand.
When sand position flood sensor detects sand position and overflows, close and add sand butterfly valve.
Claims (6)
1. the 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: in described sand butterfly valve (2) below that adds, be provided with Jia Sha travel mechanism (5), described Jia Sha 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 there are two working positions, adding 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).
2. the quantitative sanding device of core making machine according to claim 1, 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.
3. the quantitative sanding device of core making machine according to claim 1 and 2, is characterized in that: described sand position height sensor is to be arranged on the photoelectric sensor that adds sand butterfly valve below.
4. the quantitative sanding device of core making machine according to claim 3, is characterized in that: described photoelectric sensor is laser ranging type sensor, measurement category 150～2000mm, and the way of output is 0～10v analog output.
5. the quantitative sanding device of core making machine according to claim 2, is characterized in that: described sand position flood 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, is characterized in that: described photoelectric sensor is laser ranging type sensor, measurement category 150～2000mm, and the way of output is 0～10v analog output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320519364.1U CN203426387U (en) | 2013-08-26 | 2013-08-26 | Quantitative sand addition device for core-making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320519364.1U CN203426387U (en) | 2013-08-26 | 2013-08-26 | Quantitative sand addition device for core-making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203426387U true CN203426387U (en) | 2014-02-12 |
Family
ID=50055449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320519364.1U Withdrawn - After Issue CN203426387U (en) | 2013-08-26 | 2013-08-26 | Quantitative sand addition device for core-making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203426387U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406498A (en) * | 2013-08-26 | 2013-11-27 | 苏州明志科技有限公司 | Core machine ration sand adding method and device |
| CN105522121A (en) * | 2014-09-29 | 2016-04-27 | 天津久增金属有限公司 | Sand shooting device used for manufacturing process and capable of improving sand core quality |
| CN110052586A (en) * | 2019-05-05 | 2019-07-26 | 山东格新精工有限公司 | A kind of film-covering sand hot corebox sand ejection board and its application method |
-
2013
- 2013-08-26 CN CN201320519364.1U patent/CN203426387U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406498A (en) * | 2013-08-26 | 2013-11-27 | 苏州明志科技有限公司 | Core machine ration sand adding method and device |
| CN103406498B (en) * | 2013-08-26 | 2015-12-02 | 苏州明志科技有限公司 | A kind of core machine ration adds sand method and device |
| CN105522121A (en) * | 2014-09-29 | 2016-04-27 | 天津久增金属有限公司 | Sand shooting device used for manufacturing process and capable of improving sand core quality |
| CN110052586A (en) * | 2019-05-05 | 2019-07-26 | 山东格新精工有限公司 | A kind of film-covering sand hot corebox sand ejection board and its application method |
| CN110052586B (en) * | 2019-05-05 | 2024-02-27 | 山东格新精工有限公司 | Sand shooting plate for precoated sand hot core box and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140212 Effective date of abandoning: 20151202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |