CN103722123A - Boiling device for self-hardening sand mixer - Google Patents
Boiling device for self-hardening sand mixer Download PDFInfo
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- CN103722123A CN103722123A CN201310751916.6A CN201310751916A CN103722123A CN 103722123 A CN103722123 A CN 103722123A CN 201310751916 A CN201310751916 A CN 201310751916A CN 103722123 A CN103722123 A CN 103722123A
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Abstract
The invention relates to the technical field of modeling sand mixers in the casting industry and in particular relates to a boiling device for a self-hardening sand mixer. The boiling device comprises a boiling box between a primary stirring device and a secondary stirring device, wherein a drive motor and a spiral stirring device are mounted on the secondary stirring device; the spiral stirring device penetrates through the boiling box; a dry sand inlet and an air suction inlet are formed in the boiling box; the dry sand inlet is communicated with a discharging hole of the primary stirring device; a boiling plate is mounted in the boiling box. The boiling device has the beneficial effects that dry sand is firstly transferred into the boiling box when being transferred and discharged to the secondary stirring device from the primary stirring device and is boiled in the boiling box through a blowing device on the boiling plate, and ash in the dry sand is heaved so as to be suspended up and is separated out through a cyclone separator, so that the quality of materials entering the secondary stirring device is greatly improved, the quality of mixed molding sand is greatly improved, and the quality performance of the molding sand is improved by more than 50%.
Description
Technical field
The present invention relates to the puddle mixer technical field for casting industry moulding, especially a kind of boiling device for self-hardening sand puddle mixer.
Background technology
Puddle mixer is a kind of sand preparing machine being widely used in foundary industry, by puddle mixer, each component in molding sand is evenly mixed, and makes binding agent effectively be coated on the equipment of sand grain surface.
Resin sand in self-hardening sand or water-glass sand puddle mixer are the capital equipments of this sand preparing system, and one-level agitating device and secondary agitating device in unit, it is critical component, wherein one-level agitating device is responsible for carrying from adding dry sand material that sand mouth enters to secondary agitating device, material adds binding agent and curing agent in secondary agitating device, mix and blend equably fully,, push forward, material is put into the core box that sandbox that moulding uses or coremaking are used, and within a certain period of time voluntarily sclerosis be shaped.
But the self-hardening sand puddle mixer of present stage application, as shown in Figure 1, one-level agitating device is fixed on secondary agitating device by secondary agitating device slew gear, no matter be resin sand or water-glass sand puddle mixer, at one-level agitating device by dry material during to secondary agitating device unloading, spontaneous ash content and airborne dust are not removed, directly be blended into again in material, add after binding agent and curing agent mix and blend completing, the molding sand obtaining, in its composition, the content of ash is large and along with constantly periodic duty, the content of its ash more comes more to increase, thereby affect molding sand quality.
Summary of the invention
The technical problem to be solved in the present invention is: overcoming ash content and airborne dust in prior art can not remove in time, mixes the technical deficiency that affects molding sand quality in material, provide a kind of can be in time except deashing and the boiling device for self-hardening sand puddle mixer of airborne dust.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of boiling device for self-hardening sand puddle mixer, described boiling device comprises boiling case, described boiling case is arranged between one-level agitating device and secondary agitating device, on described secondary agitating device, near one end of boiling case, be mixing section, one end near secondary agitating device discharging opening is discharge end, on described secondary agitating device, drive motors and spiral agitator are installed, described spiral agitator is through boiling case, on described boiling case, have material dry sand charging aperture and inlet scoop, described material dry sand charging aperture communicates with the discharging opening of one-level agitating device, in described boiling case, boiling plate is installed, several blowing devices are installed on described boiling plate, described boiling case bottom has air inlet.
Further, described blowing device comprises air jet pipe and boiling lid, and described boiling lid is arranged on air jet pipe.
Further, described spiral agitator comprises shaft, and positive cutter and anti-cutter are installed on described shaft, and described positive cutter and anti-cutter are in mixing section and the interruption-like distribution of the section of shaking out.
Further, on described inlet scoop, cyclone separator is installed.
Further, the housing upper end of described secondary agitating device has binding agent charge door and curing agent charge door, and described binding agent charge door and curing agent charge door are positioned at the mixing section near boiling case one side.
Adopt the beneficial effect of technical scheme of invention to be: at one-level agitating device, material dry sand to be first transferred in boiling case during to secondary agitating device unloading, by the blowing device on boiling plate, material dry sand is seethed with excitement in boiling case, ash content in dry sand is heaved to rise to suspend, cyclone separator is extracted ash content out, thereby the material dry sand quality that makes to enter in secondary agitating device takes a turn for the better greatly, molding sand after mix and blend is greatly improved in right amount, compared with being unkitted the puddle mixer of boiling device, molding sand quality performance improves more than 50%.
Accompanying drawing explanation
Fig. 1 is the structural representation of the self-hardening sand puddle mixer in background technology.
Fig. 2 is the structural representation of the boiling device of self-hardening sand puddle mixer of the present invention.
Fig. 3 is the top view of the boiling plate of self-hardening sand puddle mixer of the present invention.
Fig. 4 is the structural representation of the boiling plate of self-hardening sand puddle mixer of the present invention.
In figure, 1 is one-level agitating device, and 2 is inlet scoop, 3 is secondary agitating device, and 4 is boiling case, and 5 is boiling plate, 6 is air inlet, and 7 is secondary agitating device slew gear, and 8 is drive motors, 9 for adding sand mouth, and 10 is one-level agitating device slew gear, and 11 is bearing, 12 is electrical control cubicles, and 13 is material dry sand charging aperture, and 14 is air jet pipe, 15 is boiling lid, and 16 is curing agent charge door, and 17 is binding agent charge door
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the boiling device for self-hardening sand puddle mixer of the present invention is described further.
As shown in Figure 2, a kind of boiling device for self-hardening sand puddle mixer, described boiling device comprises boiling case 4, described boiling case 4 is arranged between one-level agitating device 1 and secondary agitating device 3, on described secondary agitating device 3, drive motors 8 and spiral agitator are installed, described spiral agitator is through boiling case 4, on described boiling case 4, have material dry sand charging aperture 13 and inlet scoop 2, described material dry sand charging aperture 13 communicates with the discharging opening of one-level agitating device 1, in described boiling case 4, boiling plate 5 is installed, on described boiling plate 5, several blowing devices are installed, described boiling case 4 bottoms have air inlet 6.One-level agitating device 1 is responsible for carrying dry to expect in the boiling case 4 of boiling device, by boiling plate 5, make material dry sand in the interior boiling of boiling case 4, ash content in material dry sand is heaved to rise to suspend, dust pelletizing system is extracted ash content out via inlet scoop 2, through spiral agitator, dry sand mass transport after treatment is arrived to secondary agitating device 3 again, dry sand quality of material now greatly takes a turn for the better, material adds binding agent and curing agent in secondary agitating device 3, fully, mixing and stirring uniformly, the molding sand quality being mixed to get in secondary agitating device 3 is greatly improved, push forward, material is put into the core box that sandbox that moulding uses or coremaking are used, and hardened forming voluntarily within a certain period of time, compare with the puddle mixer that is unkitted boiling device, molding sand quality performance improves more than 50%.
As shown in Figure 3, Figure 4, further, for fear of dry sand, air jet pipe 14 is blocked, described blowing device comprises that air jet pipe 14 covers 15 with seething with excitement, and described boiling lid 15 is arranged on air jet pipe 14.
Further, in order to ensure dry sand material and binding agent, curing agent fully mixes, in described secondary agitating device 3, spiral agitator is installed, described spiral agitator comprises shaft, positive cutter and anti-cutter are installed on described shaft, described positive cutter and anti-cutter are in mixing section and the interruption-like distribution of the section of shaking out, helix transporting device rotates, positive cutter on device makes the motion that goes ahead of mixed dry sand material, and anti-cutter can stop mixed dry sand material to travel forward, dry sand material and binding agent have so just been extended, the time of contact of curing agent, make dry sand material and binding agent, curing agent obtains fully, mix uniformly.In order to make the effect of mix and blend reach best, guarantee the speed of mass transport, described anti-cutter is 1:6 with the ratio of positive cutter.
Further, in order to reclaim the larger sandstone of particle in ash content, on described inlet scoop 2, cyclone separator is installed.Adopt this structure, can remove the tiny ash content of degranulation, the ash content that particle is larger is precipitated, can continue to use after recovery, this has just saved Material Cost greatly.
Further, for the ease of add binding agent and curing agent in secondary agitating device 3, the housing upper end of described secondary agitating device 3 has binding agent charge door 17 and curing agent charge door 16, described binding agent charge door 17 and curing agent charge door 16 are near the mixing section of boiling case one side, in order to extend the time of contact of dry sand material and binding agent, curing agent, guarantee dry sand material and binding agent, curing agent fully, mix uniformly, described binding agent charge door 17 and curing agent charge door 16 is near the mixing section of boiling case 4 one sides.
The above; be only the specific embodiment of the present invention, protection scope of the present invention is not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim was defined.
Claims (5)
1. the boiling device for self-hardening sand puddle mixer, it is characterized in that: described boiling device comprises boiling case, described boiling case is arranged between one-level agitating device and secondary agitating device, on described secondary agitating device, near one end of boiling case, be mixing section, one end near secondary agitating device discharging opening is discharge end, on described secondary agitating device, drive motors and spiral agitator are installed, described spiral agitator is through boiling case, on described boiling case, have material dry sand charging aperture and inlet scoop, described material dry sand charging aperture communicates with the discharging opening of one-level agitating device, in described boiling case, boiling plate is installed, several blowing devices are installed on described boiling plate, described boiling case bottom has air inlet.
2. a kind of boiling device for self-hardening sand puddle mixer according to claim 1, is characterized in that: described blowing device comprises air jet pipe and boiling lid, and described boiling lid is arranged on air jet pipe.
3. a kind of boiling device for self-hardening sand puddle mixer according to claim 1, it is characterized in that: described spiral agitator comprises shaft, positive cutter and anti-cutter are installed on described shaft, and described positive cutter and anti-cutter are in mixing section and the interruption-like distribution of the section of shaking out.
4. a kind of boiling device for self-hardening sand puddle mixer according to claim 1, is characterized in that: on described inlet scoop, cyclone separator is installed.
5. a kind of boiling device for self-hardening sand puddle mixer according to claim 1, it is characterized in that: the housing upper end of described secondary agitating device has binding agent charge door and curing agent charge door, described binding agent charge door and curing agent charge door are positioned at the mixing section near boiling case one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751916.6A CN103722123A (en) | 2013-12-31 | 2013-12-31 | Boiling device for self-hardening sand mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751916.6A CN103722123A (en) | 2013-12-31 | 2013-12-31 | Boiling device for self-hardening sand mixer |
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| Publication Number | Publication Date |
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| CN103722123A true CN103722123A (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310751916.6A Pending CN103722123A (en) | 2013-12-31 | 2013-12-31 | Boiling device for self-hardening sand mixer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909446A (en) * | 2019-03-15 | 2019-06-21 | 四川共享铸造有限公司 | Cooled flow slot |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08504131A (en) * | 1992-04-10 | 1996-05-07 | ベーニツシユ，デイートマール | Method and apparatus for reclaiming foundry sand |
| DE19919039A1 (en) * | 1999-04-27 | 2000-11-02 | Foerder & Anlagentechnik Gmbh | Foundry sand treatment equipment, especially for improving the reusability and workability of used and new foundry sands, comprises horizontal driven shafts with contact disks turning in fluidized sand |
| CN101628317A (en) * | 2009-07-27 | 2010-01-20 | 常州市通力机电设备制造有限公司 | Continuous sand mixer |
| CN101844202A (en) * | 2010-06-02 | 2010-09-29 | 无锡锡南铸造机械有限公司 | Two-stage continuous rubbing sand regenerator |
| CN202155470U (en) * | 2011-05-16 | 2012-03-07 | 双星漯河中原机械有限公司 | Continuous bi-sand tri-mixing type sand mixing machine for self-hardening sand |
| CN203235892U (en) * | 2013-03-05 | 2013-10-16 | 青岛铸鑫机械有限公司 | Sand mixer |
| CN203725693U (en) * | 2013-12-31 | 2014-07-23 | 常州市卓信机电设备制造有限公司 | Boiling device of self-hardening sand mixer |
-
2013
- 2013-12-31 CN CN201310751916.6A patent/CN103722123A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08504131A (en) * | 1992-04-10 | 1996-05-07 | ベーニツシユ，デイートマール | Method and apparatus for reclaiming foundry sand |
| DE19919039A1 (en) * | 1999-04-27 | 2000-11-02 | Foerder & Anlagentechnik Gmbh | Foundry sand treatment equipment, especially for improving the reusability and workability of used and new foundry sands, comprises horizontal driven shafts with contact disks turning in fluidized sand |
| CN101628317A (en) * | 2009-07-27 | 2010-01-20 | 常州市通力机电设备制造有限公司 | Continuous sand mixer |
| CN101844202A (en) * | 2010-06-02 | 2010-09-29 | 无锡锡南铸造机械有限公司 | Two-stage continuous rubbing sand regenerator |
| CN202155470U (en) * | 2011-05-16 | 2012-03-07 | 双星漯河中原机械有限公司 | Continuous bi-sand tri-mixing type sand mixing machine for self-hardening sand |
| CN203235892U (en) * | 2013-03-05 | 2013-10-16 | 青岛铸鑫机械有限公司 | Sand mixer |
| CN203725693U (en) * | 2013-12-31 | 2014-07-23 | 常州市卓信机电设备制造有限公司 | Boiling device of self-hardening sand mixer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909446A (en) * | 2019-03-15 | 2019-06-21 | 四川共享铸造有限公司 | Cooled flow slot |
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Application publication date: 20140416 |