CN111730025A - Molding sand deironing structure for die casting - Google Patents
Molding sand deironing structure for die casting Download PDFInfo
- Publication number
- CN111730025A CN111730025A CN202010655703.3A CN202010655703A CN111730025A CN 111730025 A CN111730025 A CN 111730025A CN 202010655703 A CN202010655703 A CN 202010655703A CN 111730025 A CN111730025 A CN 111730025A
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- deironing
- box body
- iron
- magnetic suction
- molding sand
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/06—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sieving or magnetic separating
Abstract
The invention discloses a molding sand deironing structure for die casting, which comprises a deironing box body, wherein a storage hopper is arranged at the top of the deironing box body, a deironing adsorption mechanism is arranged in the deironing box body, the deironing adsorption mechanism comprises a plurality of groups of magnetic suction rollers arranged in the deironing box body, a limiting sleeve for allowing two ends of the magnetic suction rollers to pass through is arranged on the deironing box body, an automatic scrap iron clearing mechanism is arranged on the magnetic suction rollers, the automatic scrap iron clearing mechanism comprises a shaftless conveying auger fin which is arranged on the periphery of the magnetic suction rollers and is spirally wound and attached to the outer wall of the magnetic suction rollers, and the discharge end of the shaftless conveying; the shaft end of the magnetic suction roller is provided with a transmission gear through a bearing, and the end part of the shaftless conveying auger fin is fixedly connected with the transmission gear. The iron scrap removing machine can automatically remove iron scraps on the iron removing adsorption mechanism without shutdown and disassembly, and greatly improves the iron removing work efficiency.
Description
Technical Field
The invention relates to the technical field of die manufacturing, in particular to a molding sand deironing structure for die casting.
Background
After the casting mold is poured, the molding sand of the casting mold is subjected to the strong heat action of metal, and the composition and the performance of the molding sand are greatly changed. The organic matter in the sand is burned out to form fine coke powder and ash which are sintered into porous materials, the fine coke powder and ash are partially contained in the sand, most of the fine coke powder and ash are coated on the surface of the sand under the action of high temperature to form a firm resin shell and a carbon film, and the sand is formed into larger sand heads. The used molding sand can not be simply reused, otherwise, the performance of the molding sand is deteriorated, the quality of a casting can not meet the requirement, and even normal molding sand can not be carried out. However, if the molding sand is not regenerated, but is used only once and then discarded to the environment, adverse consequences are caused: on one hand, about 2 tons of molding sand are needed for producing one ton of castings, so that a large amount of molding sand is consumed, the transportation cost is increased, and the casting cost is greatly increased; on the other hand, a large amount of waste sand is dumped into the environment and occupies a large amount of land. Therefore, the used sand should be recycled as much as possible. In the sand recovery process, a small amount of impurities such as metal substances and the like are contained, and the metal substances need to be filtered before the sand is regenerated, so that the metal substances are prevented from damaging a regenerator. And present molding sand deironing device deironing is not abundant, need regularly shut down the machine of tearing open moreover and clear away the iron fillings on the deironing mechanism for deironing work efficiency is low, is not suitable for extensive application.
Disclosure of Invention
The invention aims to provide a molding sand deironing structure for die casting. The iron removing machine can automatically remove the scrap iron on the iron removing adsorption mechanism without shutdown and disassembly, greatly improves the working efficiency of iron removal, and has the characteristic of sufficient iron removal.
The technical scheme of the invention is as follows: a molding sand deironing structure for die casting comprises a deironing box body, wherein a storage hopper is arranged at the top of the deironing box body, a discharging pipe extending into the deironing box body is arranged at the bottom of the storage hopper, a deironing adsorption mechanism is arranged in the deironing box body, the deironing adsorption mechanism comprises a plurality of groups of magnetic suction rollers arranged in the deironing box body, a limiting sleeve for allowing two ends of each magnetic suction roller to pass through is arranged on the deironing box body, an automatic scrap iron clearing mechanism is arranged on each magnetic suction roller and comprises a shaftless conveying auger fin which is arranged on the periphery of each magnetic suction roller and is spirally wound around the outer wall of each magnetic suction roller, and the discharging end of the shaftless conveying auger fin extends; the shaft end of the magnetic suction roller is provided with a transmission gear through a bearing, and the end part of the shaftless conveying auger fin is fixedly connected with the transmission gear; a driving gear in meshing transmission with the transmission gear is arranged on the outer wall of the iron removing box body, belt wheels are arranged on the driving gear, and a transmission belt is sleeved between every two adjacent belt wheels; the iron removing box body is provided with a material receiving mechanism which is in butt joint with the discharge end of the automatic scrap iron removing mechanism; and a molding sand discharging pipe is arranged at the bottom of the iron removing box body.
In foretell mould casting is with molding sand deironing structure, receiving mechanism is including setting up at the outer tip of spacing sleeve pipe and vertical decurrent passage, the deironing box is equipped with the first auxiliary box that is used for covering the passage in the periphery that is located spacing sleeve pipe, be equipped with the material receiving box that is located the passage under in the first auxiliary box, be equipped with the overhead door on the first auxiliary box.
In the foregoing molding sand deironing structure for die casting, the deironing box is equipped with quantitative pay-off bulk cargo mechanism being located the discharging pipe, quantitative pay-off bulk cargo mechanism is including setting up the pay-off carousel in the discharging pipe, be provided with a plurality of pay-off carousel circumference distribution around and be long banding pay-off recess on the pay-off carousel, be equipped with the inverter motor who is connected with pay-off carousel center pin transmission on the outer wall of discharging pipe, the cross-section of discharging pipe is the rectangle.
In the molding sand deironing structure for die casting, the feeding groove is an arc-shaped groove.
Among the aforementioned mould casting is with molding sand deironing structure, the inner chamber upper end of deironing box is equipped with the vibration bulk cargo mechanism that is located deironing adsorption apparatus structure top, vibration bulk cargo mechanism includes fixes the vibration bulk cargo otter board in deironing box inner chamber upper end through the shock mount, be equipped with vibrating motor on the vibration bulk cargo otter board.
In the foregoing molding sand deironing structure for die casting, the roller is inhaled including setting up the magnetism roller main part of inhaling between two spacing sleeve pipes to the magnetism roller, and the front end of magnetism roller main part of inhaling is equipped with the rubber roller.
In the molding sand deironing structure for die casting, the shaftless conveying auger fin is made of a plastic material.
In the foregoing molding sand deironing structure for die casting, be equipped with on the deironing box with the vice box of second that covers a plurality of drive gear, the vice box internal fixation of second has motor drive mechanism, motor drive mechanism and one of them be equipped with band pulley transmission on the drive gear and connect.
In the molding sand deironing structure for die casting, the plurality of groups of magnetic suction rollers are vertically and horizontally staggered in the deironing box body.
In the molding sand deironing structure for die casting, the surface of the magnetic suction roller is provided with the rubber anti-collision layer.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the crushed molding sand is fed into the storage hopper, the molding sand of the storage hopper falls into the iron removing box, under the magnetic adsorption action of the iron removing adsorption mechanism, iron filings in the molding sand are adsorbed to the magnetic adsorption roller under the magnetic adsorption action of the magnetic adsorption roller, so that the purpose of removing iron from the molding sand is realized, the iron filings adsorbed to the magnetic adsorption roller are removed under the action of the automatic iron filings removing mechanism, mainly through driving the driving gear, the driving gear drives the transmission gear to rotate, and the rotating transmission gear drives the shaftless conveying auger fin to rotate. Then impel the pay-off forward with the adsorbed iron fillings on the magnetism suction roller, carry out the inner chamber of deironing box with iron fillings at last to accomplish the self-cleaning work to iron fillings, avoid iron fillings on the magnetism suction roller to pile up too much, follow-up carry out the in-process of magnetism deironing to the molding sand, the molding sand can be piled up the iron fillings area on the magnetism suction roller and fall off, and can not reach better deironing effect, have the unclean problem of deironing. The iron scrap adsorbing device can discharge iron scrap adsorbed on the magnetic suction roller to the outside of the iron removing box body in real time, thereby effectively avoiding the phenomenon that the iron scrap on the magnetic suction roller is excessively accumulated and the subsequent iron removing work brings adverse effects, and the iron removing is carried out without stopping the machine for disassembly, thereby greatly improving the working efficiency.
2. According to the scrap iron collecting device, the scrap iron after being removed by the scrap iron automatic removing mechanism is collected by the material receiving mechanism, the scrap iron is prevented from scattering into a work production place, and meanwhile, the recycled scrap iron can be recycled.
3. The feeding and bulk cargo mechanism is arranged, the variable frequency motor mainly drives the feeding turntable to rotate, the feeding groove on the rotating feeding turntable carries out feeding, quantitative feeding can be realized, the feeding speed is controlled and adjusted by controlling the rotating speed of the variable frequency motor, and the phenomenon that excessive molding sand enters the iron removing box body to cause excessive local materials and the magnetic roller cannot carry out full and comprehensive magnetic absorption iron removal on the molding sand entering the iron removing box body is avoided by carrying out quantitative feeding.
4. According to the invention, the vibration bulk cargo mechanism is arranged, so that the vibration bulk cargo is carried out on the molding sand entering the iron removal adsorption mechanism, the scattering effect is achieved, the local molding sand is prevented from being accumulated together, the molding sand is fully contacted with the magnetic suction roller in the iron removal adsorption mechanism, and the magnetic suction iron removal effect is greatly improved.
5. The magnetic suction roller comprises a magnetic suction roller main body arranged between two limiting sleeves, and a rubber roller is arranged at the front end of the magnetic suction roller main body, so that when scrap iron on the magnetic suction roller is conveyed by a shaftless conveying auger fin, the scrap iron enters the rubber roller along the magnetic suction roller main body, the magnetic suction roller has a magnetic suction effect on scrap iron objects, and the scrap iron can fall off from the magnetic suction roller under the conveying effect of the shaftless conveying auger fin and enter a material guide pipe.
6. According to the invention, the fins of the shaftless conveying auger are made of plastic materials, so that the fins of the shaftless conveying auger cannot be magnetized, and the phenomenon that scrap iron is adsorbed on the fins of the shaftless conveying auger and cannot be conveyed is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a quantitative bulk feeding mechanism;
FIG. 3 is a schematic view of a partial structure of the present invention;
FIG. 4 is a schematic structural view of an automatic scrap iron removing mechanism;
fig. 5 is a schematic structural view of a rubber bumper layer.
1. A deironing box body; 2. a material storage hopper; 3. a discharge pipe; 5. an iron removal adsorption mechanism; 6. a magnetic suction roller; 7. a limiting sleeve; 8. an automatic scrap iron removing mechanism; 9. shaftless conveying auger fin; 10. a transmission gear; 11. a drive gear; 12. a pulley; 14. a material receiving mechanism; 15. a material guide pipe; 16. a first sub-tank; 17. a material receiving box; 18. covering the door; 19. a quantitative bulk material feeding mechanism; 20. a feeding turntable; 21. a feeding groove; 22. a variable frequency motor; 23. a bulk material vibrating mechanism; 24. a shock absorbing seat; 25. vibrating the bulk material screen plate; 26. a vibration motor; 27. a magnetic roller body; 28. a rubber roller; 29. a second sub-tank; 30. a motor drive mechanism; 31. a rubber anti-collision layer; 32. and a sand discharging pipe.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Example (b): a molding sand deironing structure for die casting, as shown in figures 1-5, comprises a deironing box body 1, wherein a storage hopper 2 is arranged at the top of the deironing box body 1, a discharge pipe 3 extending into the deironing box body 1 is arranged at the bottom of the storage hopper 2, a deironing adsorption mechanism 5 is arranged in the deironing box body 1, the deironing adsorption mechanism 5 comprises a plurality of groups of magnetic suction rollers 6 arranged in the deironing box body 1, a limiting sleeve 7 for the two ends of the magnetic suction rollers 6 to pass through is arranged on the deironing box body 1, an automatic scrap iron clearing mechanism 8 is arranged on the magnetic suction rollers 6, the automatic scrap iron clearing mechanism 8 comprises a shaftless conveying auger fin 9 which is arranged at the periphery of the magnetic suction rollers 6 and spirally wound around the outer wall of the magnetic suction rollers 6, and the discharge end of the shaftless conveying; a transmission gear 10 is arranged at the shaft end of the magnetic suction roller 6 through a bearing, and the end part of the shaftless conveying auger fin 9 is fixedly connected with the transmission gear 10; a driving gear 11 in meshed transmission with the transmission gear 10 is arranged on the outer wall of the iron removing box body 1, belt wheels 12 are arranged on the driving gear 11, and a transmission belt is sleeved between every two adjacent belt wheels 12; the iron removing box body 1 is provided with a material receiving mechanism 14 which is butted with the discharge end of the scrap iron automatic clearing mechanism 8; the bottom of the iron removing box body 1 is provided with a molding sand discharging pipe 32, the crushed molding sand is sent into the storage hopper 2, the molding sand of the storage hopper 2 falls into the iron removing box body 1, under the magnetic adsorption action of the iron removing adsorption mechanism 5, iron filings in the molding sand are adsorbed to the magnetic attraction roller 6 under the magnetic adsorption action of the magnetic attraction roller 6, so that the purpose of removing iron from the molding sand is achieved, the iron filings adsorbed to the magnetic attraction roller 6 are cleared under the action of the automatic iron filings clearing mechanism 8, mainly through the driving gear 11, the driving gear 11 drives the transmission gear 10 to rotate, and the rotating transmission gear 10 drives the shaftless conveying auger fin 9 to rotate. Then inhale the iron fillings that adsorb on the roller 6 of inhaling forward and impel the pay-off, carry out iron fillings at last in the inner chamber of deironing box 1 to accomplish the self-cleaning work to iron fillings, avoid the magnetism to inhale iron fillings on the roller 6 and pile up too much, follow-up carry out the in-process of magnetism deironing to the molding sand, the molding sand can be piled up the iron fillings area of inhaling on the roller 6 of inhaling and fall off, and can not reach better deironing effect, have the unclean problem of deironing. The iron removing device can discharge iron filings adsorbed on the magnetic suction roller 6 to the outside of the iron removing box body 1 in real time, thereby effectively avoiding the adverse effects caused by subsequent iron removing work due to excessive accumulation of the iron filings on the magnetic suction roller 6, and greatly improving the working efficiency without stopping the machine for removing iron.
The material receiving mechanism 14 comprises a guide pipe 15 which is arranged at the outer end of a limiting sleeve 7 and is vertically downward, a first auxiliary box body 16 which is used for covering the guide pipe 15 is arranged on the periphery of the limiting sleeve 7 of the iron removing box body 1, a material receiving box 17 which is arranged right below the guide pipe 15 is arranged in the first auxiliary box body 16, a cover door 18 is arranged on the first auxiliary box body 16, iron scraps after being cleared by the iron scrap automatic clearing mechanism 8 are collected by arranging the material receiving mechanism 14, the iron scraps are prevented from scattering to a work production place everywhere, and meanwhile, the recovered iron scraps can be recycled.
The feeding groove 21 is an arc-shaped groove, so that the material clamping phenomenon is not easy to occur.
The inner chamber upper end of deironing box 1 is equipped with the vibration bulk cargo mechanism 23 that is located deironing adsorption apparatus 5 tops, vibration bulk cargo mechanism 23 includes fixes vibration bulk cargo otter board 25 in deironing box 1 inner chamber upper end through shock-absorbing seat 24, be equipped with vibrating motor 26 on the vibration bulk cargo otter board 25, through setting up vibration bulk cargo mechanism 23, advance the vibration bulk cargo to the molding sand that enters into in deironing adsorption apparatus 5, played the effect of breaing up, avoid local molding sand to pile up together for the molding sand is abundant with the interior magnetism of deironing adsorption apparatus 5 in inhale the roller 6 contacts, has greatly improved the effect of magnetism deironing of inhaling.
Shaftless carries auger fin 9 and is the plastics material for shaftless carries auger fin 9 can not take place the magnetization phenomenon, avoids iron fillings to adsorb on shaftless carries auger fin 9 and can not carry out the effect of carrying to iron fillings.
Be equipped with on the deironing box 1 with the vice box 29 of second that covers a plurality of drive gear 11, the vice box 29 internal fixation of second has motor drive mechanism 30, motor drive mechanism 30 and one of them be equipped with band pulley 12 transmission on the drive gear 11 and connect, drive gear 11 through motor drive mechanism 30, and then drive shaftless transport auger fin 9 and rotate and drive the magnetite on magnetism roller 6 surface.
Multiunit the magnetic suction roller 6 is vertically and horizontally staggered and arranged in the deironing box body, thereby greatly improving the deironing effect and ensuring that the molding sand is deironing more sufficiently.
The surface of the magnetic suction roller 6 is provided with a rubber anti-collision layer 31, so that the anti-collision effect is achieved.
The working principle is as follows: according to the invention, crushed molding sand is fed into the storage hopper 2, the molding sand of the storage hopper 2 falls into the iron removal box body 1, under the magnetic adsorption action of the iron removal adsorption mechanism 5, iron filings in the molding sand are adsorbed onto the magnetic attraction roller 6 under the magnetic adsorption action of the magnetic attraction roller 6, so that the purpose of removing iron from the molding sand is realized, the iron filings adsorbed onto the magnetic attraction roller 6 are removed under the action of the automatic iron filings removing mechanism 8, mainly through driving the driving gear 11, the driving gear 11 drives the transmission gear 10 to rotate, and the rotating transmission gear 10 drives the shaftless conveying auger fin 9 to rotate. Then inhale the iron fillings that adsorb on the roller 6 of inhaling forward and impel the pay-off, carry out iron fillings at last in the inner chamber of deironing box 1 to accomplish the self-cleaning work to iron fillings, avoid the magnetism to inhale iron fillings on the roller 6 and pile up too much, follow-up carry out the in-process of magnetism deironing to the molding sand, the molding sand can be piled up the iron fillings area of inhaling on the roller 6 of inhaling and fall off, and can not reach better deironing effect, have the unclean problem of deironing. The iron removing device can discharge iron filings adsorbed on the magnetic suction roller 6 to the outside of the iron removing box body 1 in real time, thereby effectively avoiding the adverse effects caused by subsequent iron removing work due to excessive accumulation of the iron filings on the magnetic suction roller 6, and greatly improving the working efficiency without stopping the machine for removing iron.
Claims (10)
1. The utility model provides a mould sand deironing mechanism for die casting which characterized in that: comprises an iron removing box body (1), a material storage hopper (2) is arranged at the top of the iron removing box body (1), the bottom of the storage hopper (2) is provided with a discharge pipe (3) extending into the iron removing box body (1), an iron removal adsorption mechanism (5) is arranged in the iron removal box body (1), the iron removal adsorption mechanism (5) comprises a plurality of groups of magnetic suction rollers (6) arranged in the iron removal box body (1), the iron removing box body (1) is provided with a limit sleeve (7) for the two ends of the magnetic suction roller (6) to pass through, the magnetic suction roller (6) is provided with an automatic scrap iron clearing mechanism (8), the automatic scrap iron clearing mechanism (8) comprises a shaftless conveying auger fin (9) which is arranged at the periphery of the magnetic suction roller (6) and is spirally wound around the outer wall of the magnetic suction roller (6), the discharge end of the shaftless conveying auger fin (9) extends into the limiting sleeve (7); a transmission gear (10) is arranged at the shaft end of the magnetic suction roller (6) through a bearing, and the end part of the shaftless conveying auger fin (9) is fixedly connected with the transmission gear (10); a driving gear (11) in meshing transmission with the transmission gear (10) is arranged on the outer wall of the iron removing box body (1), belt wheels (12) are arranged on the driving gear (11), and a transmission belt is sleeved between every two adjacent belt wheels (12); the iron removing box body (1) is provided with a material receiving mechanism (14) which is butted with the discharge end of the scrap iron automatic clearing mechanism (8); the bottom of deironing box body (1) is equipped with molding sand discharging pipe (32).
2. The molding sand deironing structure of claim 1, characterized in that: the material receiving mechanism (14) comprises a material guide pipe (15) which is arranged at the outer end part of the limiting sleeve (7) and is vertically downward, a first auxiliary box body (16) used for covering the material guide pipe (15) is arranged on the periphery of the iron removing box body (1) positioned on the limiting sleeve (7), a material receiving box (17) positioned right below the material guide pipe (15) is arranged in the first auxiliary box body (16), and a cover door (18) is arranged on the first auxiliary box body (16).
3. The molding sand deironing structure of claim 1, characterized in that: deironing box (1) is equipped with quantitative pay-off bulk cargo mechanism (19) in lieing in discharging pipe (3), quantitative pay-off bulk cargo mechanism (19) is including setting up pay-off carousel (20) in discharging pipe (3), be provided with a plurality ofly around pay-off carousel (20) circumference distribution and be long banding pay-off recess (21) on pay-off carousel (20), be equipped with inverter motor (22) of being connected with pay-off carousel (20) center pin transmission on the outer wall of discharging pipe (3), the cross-section of discharging pipe (3) is the rectangle.
4. The molding sand deironing structure of claim 3, characterized in that: the feeding groove (21) is an arc-shaped groove.
5. The molding sand deironing structure of claim 1, characterized in that: the inner chamber upper end of deironing box (1) is equipped with vibration bulk cargo mechanism (23) that are located deironing adsorption apparatus structure (5) top, vibration bulk cargo mechanism (23) are fixed at vibration bulk cargo otter board (25) of deironing box (1) inner chamber upper end through shock mount (24), be equipped with vibrating motor (26) on vibration bulk cargo otter board (25).
6. The molding sand deironing structure of claim 1, characterized in that: the magnetic suction roller (6) comprises a magnetic suction roller main body (27) arranged between two limiting sleeves (7), and a rubber roller (28) is arranged at the front end of the magnetic suction roller main body (27).
7. The molding sand deironing structure of claim 1, characterized in that: the shaftless conveying auger fin (9) is made of plastic.
8. The molding sand deironing structure of claim 1, characterized in that: be equipped with on deironing box (1) with the vice box (29) of second that cover a plurality of drive gear (11), the vice box (29) internal fixation of second has motor drive mechanism (30), motor drive mechanism (30) and one of them be equipped with band pulley (12) transmission connection on drive gear (11).
9. The molding sand deironing structure of claim 1, characterized in that: the magnetic suction rollers (6) are vertically and horizontally staggered in the iron removing box body.
10. The molding sand deironing structure of claim 1, characterized in that: and a rubber anti-collision layer (31) is arranged on the surface of the magnetic suction roller (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010655703.3A CN111730025A (en) | 2020-07-09 | 2020-07-09 | Molding sand deironing structure for die casting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010655703.3A CN111730025A (en) | 2020-07-09 | 2020-07-09 | Molding sand deironing structure for die casting |
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| CN111730025A true CN111730025A (en) | 2020-10-02 |
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| CN202010655703.3A Pending CN111730025A (en) | 2020-07-09 | 2020-07-09 | Molding sand deironing structure for die casting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579155A (en) * | 2021-07-30 | 2021-11-02 | 黑龙江省达江机械科技有限公司 | Casting raw material pretreatment shakeout process |
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| CN113579155A (en) * | 2021-07-30 | 2021-11-02 | 黑龙江省达江机械科技有限公司 | Casting raw material pretreatment shakeout process |
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