CN110421118B - Automatic sand recycling system - Google Patents
Automatic sand recycling system Download PDFInfo
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- CN110421118B CN110421118B CN201910717690.5A CN201910717690A CN110421118B CN 110421118 B CN110421118 B CN 110421118B CN 201910717690 A CN201910717690 A CN 201910717690A CN 110421118 B CN110421118 B CN 110421118B
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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
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
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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
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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
- B22C5/10—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by dust separating
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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
- B22C5/14—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material
- B22C5/16—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material with conveyors or other equipment for feeding the material
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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
- B22C5/18—Plants for preparing mould materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/02—Vibratory apparatus specially designed for shaking out flasks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses an automatic sand recycling system, which comprises a separation module, wherein a magnetic separation module is arranged below the output end of the separation module, a first conveyor belt is arranged below the output end of the magnetic separation module, a dust removal module is arranged above the bearing surface of the first conveyor belt, a selection module is arranged below the output end of the first conveyor belt, a mixing module is arranged below the discharge port of the selection module, a second conveyor belt is arranged below the discharge port of the mixing module, a loosening module and a shunting module are sequentially arranged above the bearing surface of the second conveyor belt along the transmission direction of the second conveyor belt, a plurality of casting mold modules are uniformly distributed on two sides of the second conveyor belt along the transmission direction of the second conveyor belt, and a transfer trolley is correspondingly arranged between each casting mold module and the separation module, wherein: the separation module comprises a vibration shakeout machine, an electromagnet arranged above the vibration shakeout machine and a magnet driving device arranged on the electromagnet. The reclaimed sand produced by the method has good quality and is more reasonable in arrangement.
Description
Technical Field
The invention relates to the technical field of sand casting, in particular to an automatic sand recycling system.
Background
Sand casting, a casting process for producing castings in sand molds. Steel, iron and most nonferrous metal castings can be obtained by sand casting. The molding material used for sand casting is cheap and easy to obtain, the casting mould is simple and convenient to manufacture, and the casting mould can adapt to single-piece production, batch production and mass production of castings, and is a basic process in casting production for a long time.
The reclaimed sand obtained by the existing old foundry sand reclaiming process has poor quality, and still contains a large amount of impurities. Due to the existence of the impurities, the acid consumption value is large in the process of preparing the cold core or the hot core by the reclaimed sand, the effect of a cold core catalyst and the coating effect of sand grains and resin are influenced, the strength of a sand core is reduced, and the quality of a casting finished product is poor; and because every foundry goods all need use a casting mould, when batch production, need consume a large amount of sand material, consequently can produce a large amount of used sand, and after the used sand becomes the reclaimed sand, how to rationally utilize factory building space to hoard and how to make things convenient for workman's transportation also is the problem of waiting to solve.
Disclosure of Invention
The invention aims to provide an automatic sand recycling system, and aims to solve the technical problem.
In order to achieve the purpose, the invention provides an automatic sand recycling system, which comprises a separation module for separating casting molds and castings, wherein a magnetic separation module is arranged below the output end of the separation module, a first conveyor belt is arranged below the output end of the magnetic separation module, a dust removal module is arranged above the bearing surface of the first conveyor belt, a selection module is arranged below the output end of the first conveyor belt, a mixing module is arranged below the discharge port of the selection module, a second conveyor belt is arranged below the discharge port of the mixing module, a loosening module and a flow dividing module are sequentially arranged above the bearing surface of the second conveyor belt along the transmission direction of the second conveyor belt, a plurality of casting mold modules are uniformly distributed on two sides of the second conveyor belt along the transmission direction of the second conveyor belt, and a transfer vehicle is correspondingly arranged between each casting mold module and the separation module, wherein: the separation module comprises a vibration shakeout machine, an electromagnet arranged above the vibration shakeout machine and a magnet driving device arranged on the electromagnet.
Wherein, the magnetic separation module comprises a groove body buried in a mounting groove below the ground, the vibration shakeout machine is arranged at the notch of the mounting groove, a vibrating screen is arranged below the notch of the mounting groove, a vibration conveying device is arranged below the vibrating screen, the first conveying belt is arranged below the output end of the vibration conveying device, a third conveying belt is further arranged in the mounting groove, the first half section of the third conveying belt is positioned right above the rear half section of the vibration conveying device, an iron material recovery tank is arranged right below the rear half section of the third conveying belt, a discharge plate close to the third conveying belt is obliquely arranged above the iron material recovery tank, a plurality of magnetic compression rollers are arranged between a driving roller and a driven roller of the third conveying belt in parallel, and one end of a mounting rack of the third conveying belt is hinged on the groove wall of the mounting groove, the other end is connected with a lifting device.
Wherein, hoisting device is including running through the pivot of third conveyer belt driven voller, the both ends of pivot respectively through a connecting piece with the groove arm of mounting groove is articulated, and ground is close to the vertical supporting station that is provided with in notch department of mounting groove, it has a mount pad to articulate on the supporting station, be provided with the hydraulic stem on the mount pad, fixedly connected with mounting bracket is gone back to the top of third conveyer belt, the hydraulic stem is kept away from the one end of mount pad articulates on the mounting bracket.
The dust removal module comprises a fixing frame used for being connected with the first conveyor belt, a dust removal box is mounted on the fixing frame, and an inner cavity of the dust removal box is divided into an exhaust cavity at the upper end and a dust collection cavity at the lower end through a partition plate; an air inlet pipe is arranged on the cavity wall of the dust collection cavity, and an air outlet pipe is arranged on the cavity wall of the exhaust cavity; the air inlet pipe is provided with a first sealing valve, and the inlet end of the air inlet pipe is provided with a flat air inlet facing the bearing surface of the conveyor belt; the air outlet pipe is connected with a wind direction switching device, the surface of the partition plate is provided with an air vent, a filter bag is sleeved on the air vent, the lower end of the dust collecting cavity is further provided with a dust collecting hopper, the bottom of the dust collecting hopper is provided with a dust outlet pipe, a filter is detachably connected in the dust outlet pipe, and a second sealing valve is further arranged at the pipe orifice at the lower end of the dust outlet pipe.
Wherein, wind direction auto-change over device include with the first wind channel of outlet duct switch-on, first wind channel is through first control valve and fan air intake switch-on, the air outlet of fan passes through second control valve and second wind channel switch-on the fan air intake with be provided with first bypass wind channel between the second wind channel the fan air outlet with still be provided with second bypass wind channel between the first wind channel, be provided with the third control valve on the first bypass wind channel, be provided with the fourth control valve on the second bypass wind channel.
The loosening module comprises an upper box body and a lower box body, the upper box body and the lower box body are oppositely arranged, and the second conveyor belt penetrates through a transmission channel reserved between the upper box body and the lower box body; a sand loosening device is arranged in the upper box body, a conveying belt flapping device is arranged in the lower box body, and the sand loosening device and the conveying belt flapping device are respectively connected with a driving motor through a transmission mechanism; wherein: the sand material loosening device comprises a plurality of rotating rollers which are arranged in parallel along a transmission channel and run synchronously, each rotating roller is provided with a stirring blade, and the conveying belt beating device is a rectangular frame rotating around a rotating shaft.
The transmission mechanism comprises a first transmission shaft and a second transmission shaft, one end of the first transmission shaft is connected with the output shaft of the driving motor, the other end of the first transmission shaft is connected with a rotating shaft of the conveying belt beating device, a first spiral bevel gear is arranged on the first transmission shaft, a second spiral bevel gear is arranged on the second transmission shaft, the first spiral bevel gear is meshed with the second spiral bevel gear, and the second transmission shaft is further in transmission connection with any one rotating roller in the sand material loosening device through a second belt.
The shunting module comprises a guide rail, the guide rail is arranged on the second conveyor belt and extends along the length direction of the second conveyor belt, a sliding block movably connected with the guide rail is arranged on the guide rail, a supporting frame consisting of a cross beam and two vertical beams oppositely arranged at two ends of the cross beam is arranged below the sliding block, a mounting seat is hinged to the center position of the cross beam, an air cylinder is arranged on the mounting seat, a shunting plate bent to 30-90 degrees is hinged to the output end of the air cylinder, the left side and the right side of the shunting plate are hinged to the vertical beams through connecting plates symmetrically arranged, and the shunting module further comprises a sliding block driving device used for driving the sliding block to slide on the guide rail.
The sliding block is provided with a threaded hole, the sliding block driving device comprises a stepping motor arranged at one end of the guide rail, an output shaft of the stepping motor is connected with a screw rod, and the screw rod penetrates through the threaded hole and is movably connected with the guide rail through a bearing seat arranged at the other end of the guide rail.
Wherein, the outside slope of each connecting plate sets up a guide plate downwards.
The invention relates to an automatic sand recycling system, when in use, a casting mold poured by a worker is placed into a separation module, the casting mold is separated from a casting by a vibration shakeout machine, the separated casting is driven by an electromagnet driving device to be adsorbed by an electromagnet and transferred to a next process, the casting mold is crushed and falls into a magnetic separation module from the output end of the vibration shakeout machine, the magnetic separation module shakes and disperses the crushed casting mold to form sand, metal impurities in the sand are adsorbed and fall into a first conveyor belt from the output end of the magnetic separation module, the sand passes through a dust removal module along with the first conveyor belt, small particle impurities in the sand are adsorbed under the action of the dust removal module, the sand after dust removal is continuously conveyed along with the first conveyor belt and finally falls into a fine sand with consistent size from the output end of the first conveyor belt, the fine sand is screened into fine sand with consistent size by the fine screening module, the concentrate falls into the mixing module from the discharge gate of choice module, and mix with various additives in the mixing module, the concentrate after the completion of mixing falls into the second conveyer belt from the discharge gate of mixing module, and along with the second conveyer belt transmits to loose in the module, loose device will mix the concentrate of good and break up, the concentrate after breaking up is shunted to the position that is close to each casting mould module by reposition of redundant personnel module and is hoarded, make new casting mould and pouring back through the sand material of hoarding at the casting mould module, transport the separation module back with the casting mould again through the transfer car, so relapse can realize the cyclic utilization of sand material. The automatic sand recycling system has the advantages that the quality of produced reclaimed sand is high, the cost of a casting process can be reduced, the sustainable development is facilitated, the arrangement is reasonable, the full stockpiling space is fully utilized, and the transportation of workers is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the automated sand recycling system of the present invention.
FIG. 2 is a schematic structural diagram of a magnetic separation module of the present invention.
FIG. 3 is a schematic structural view of the dust removal module of the present invention.
Fig. 4 is a schematic structural view of the wind direction switching device of the present invention.
Fig. 5 is a schematic structural view of the loosening module of the present invention.
Fig. 6 is an enlarged schematic view of the a position.
Fig. 7 is a schematic structural diagram of the shunt module of the present invention.
100-automatic sand recycling system, 10-separation module, 20-magnetic separation module, 30-first conveyor belt, 40-dedusting module, 50-fine selection module, 60-mixing module, 70-second conveyor belt, 80-loosening module, 90-shunting module, 110-casting mold module, 11-vibration shakeout machine, 12-electromagnet, 13-magnet driving device, 21-mounting groove, 22-vibrating screen, 23-vibration conveying device, 24-third conveyor belt, 25-iron material recovery groove, 26-discharge plate, 27-compression roller, 28-lifting device, 281-connecting piece, 282-supporting table, 283-hydraulic rod, 284-mounting frame, 41-mounting frame, 42-dedusting box, vacuum-dust-removing box, 43-exhaust cavity, 44-dust collection cavity, 45-air inlet pipe, 46-air outlet pipe, 47-first sealing valve, 48-wind direction switching device, 49-filter bag, 401-dust collection hopper, 402-dust outlet pipe, 403-filter, 404-second sealing valve, 481-first air duct, 482-first control valve, 483-fan, 484-second control valve, 485-second air duct, 486-first bypass air duct, 487-second bypass air duct, 488-third control valve, 489-fourth control valve, 81-upper box, 82-lower box, 83-sand loosening device, 84-conveyor belt beating device, 85-transmission mechanism, 86-driving motor, 87-rotating roller, 88-stirring blade, 851-first transmission shaft, 852-a first spiral bevel gear, 853-a second spiral bevel gear, 91-a guide rail, 92-a sliding block, 93-a supporting frame, 94-a mounting seat, 95-an air cylinder, 96-a splitter plate, 97-a connecting plate, 98-a sliding block driving device, 981-a stepping motor, 982-a screw rod and 99-a guide plate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, the present invention provides a technical solution: an automatic sand recycling system 100 comprises a separation module 10 for separating casting molds and castings, wherein a magnetic separation module 20 is arranged below the output end of the separation module 10, a first conveyor belt 30 is arranged below the output end of the magnetic separation module 20, a dust removal module 40 is arranged above the bearing surface of the first conveyor belt 30, a selection module 50 is arranged below the output end of the first conveyor belt 30, a mixing module 60 is arranged below the discharge port of the selection module 50, a second conveyor belt 70 is arranged below the discharge port of the mixing module 60, a loosening module 80 and a flow dividing module 90 are sequentially arranged above the bearing surface of the second conveyor belt 70 along the transmission direction of the bearing surface, a plurality of casting mold modules 110 are uniformly distributed on two sides of the second conveyor belt 70 along the transmission direction of the second conveyor belt, and a transfer vehicle is correspondingly arranged between each casting mold module 110 and the separation module 10, wherein: the separation module 10 comprises a vibration shakeout machine 11, an electromagnet 12 arranged above the vibration shakeout machine 11, and a magnet driving device 13 arranged on the electromagnet 12.
In the embodiment, when in use, a casting mold poured by a worker is placed into the separation module 10, the casting mold is separated from a casting by the vibration shakeout machine 11, the separated casting is driven by the electromagnet 12 driving device to be adsorbed by the electromagnet 12 and is transferred to a subsequent process, the casting mold is broken at the moment and falls into the magnetic separation module 20 from the output end of the vibration shakeout machine 11, the magnetic separation module 20 shakes and scatters the broken casting mold to form sand, metal impurities in the sand are adsorbed and fall into the first conveyor belt 30 from the output end of the magnetic separation module 20, the sand passes through the dust removal module 40 along with the first conveyor belt 30, small particle impurities in the sand are adsorbed under the action of the dust removal module 40, the sand after dust removal is continuously conveyed along with the first conveyor belt 30 and finally falls into the fine selection module 50 from the output end of the first conveyor belt 30, and the fine selection module 50 screens the sand into fine sand with consistent size, the fine sand falls into the mixing module 60 from the discharge port of the fine selection module 50 and is mixed with various additives in the mixing module 60, the mixed fine sand falls into the second conveyor belt 70 from the discharge port of the mixing module 60 and is transmitted into the loosening module 80 along with the second conveyor belt 70, the loosening device is used for scattering the mixed fine sand, the scattered fine sand is shunted to a position close to each casting mold module 110 by the shunting module 90 and is accumulated, a new casting mold is manufactured by the casting mold module 110 through the accumulated sand and is poured, the casting mold is transported back to the separation module 10 through the transfer car, and the sand recycling can be realized repeatedly. The automatic sand recycling system 100 has the advantages that the quality of produced reclaimed sand is high, the cost of a casting process can be reduced, the sustainable development is facilitated, the arrangement is reasonable, the full hoarding space is fully utilized, and the transportation of workers is facilitated.
Referring to fig. 2, further, the magnetic separation module 20 includes a mounting groove 21 with a groove body embedded below the ground, the vibration shakeout machine 11 is disposed at a notch of the mounting groove 21, a vibration sieve 22 is disposed below a notch of the mounting groove 21, a vibration conveying device 23 is disposed below the vibration sieve 22, the first conveyor belt 30 is disposed below an output end of the vibration conveying device 23, a third conveyor belt 24 is further disposed in the mounting groove 21, a first half section of the third conveyor belt 24 is located right above a second half section of the vibration conveying device 23, an iron material recovery groove 25 is disposed right below the second half section of the third conveyor belt 24, a discharge plate 26 close to the third conveyor belt 24 is obliquely disposed above the iron material recovery groove 25, and a plurality of magnetic press rollers 27 are disposed in parallel between a driving roller and a driven roller of the third conveyor belt 24, the mounting bracket 284 of the third conveyor 24 is hinged at one end to the wall of the mounting slot 21 and at the other end to the hoist 28.
In the present embodiment, the cast mold falls into the vibrating screen 22 from the output end of the vibrating shakeout machine 11, the vibrating screen 22 shakes the cast mold into a sand material, and the sand material falls onto the vibrating conveyor 23, the vibrating conveyor 23 throws the sand material towards the output end, when the sand material reaches the rear section thereof under the action of the vibrating conveyor 23, the iron material in the sand mold is adsorbed on the third conveyor 24 under the action of the press roller 27 and moves towards the output end along with the third conveyor 24, when the sand material moves to the discharging plate 26, the discharging plate 26 scrapes part of the iron material, the iron material falls into the iron material recovery tank 25 along with the inclined surface of the discharging plate 26, and the sand material in the sand mold falls into the first conveyor 30 from the output end of the vibrating conveyor 23 and moves to the dust removal module 40 along with the first conveyor 30. In addition, after the sand-iron separating apparatus is operated for a certain period of time, the third conveyor belt 24 may be lifted up by the lifting device 28, and a worker may thoroughly clean the iron materials adsorbed on the third conveyor belt 24 by means of a scraper or the like. On the other hand, the buried type arrangement does not need to set a feeding table, so that potential safety hazards are reduced, and feeding is more convenient.
Further, the lifting device 28 includes the pivot that runs through the driven roller of third conveyer belt 24, the both ends of pivot respectively through a connecting piece 281 with the groove arm of mounting groove 21 is articulated, and ground is close to the notch department of mounting groove 21 is vertical to be provided with a supporting bench 282, it has a mount pad 94 to articulate on the supporting bench 282, be provided with hydraulic stem 283 on the mount pad 94, fixedly connected with mounting bracket 284 is still gone back to the top of third conveyer belt 24, hydraulic stem 283 is kept away from the one end of mount pad 94 articulates on mounting bracket 284.
In the present embodiment, when the third conveyor belt 24 needs to be lifted, the hydraulic rod 283 is shortened, so that the driving roller of the second conveyor belt 70 rotates clockwise by 90 ° around the driven roller, the worker scrapes off the residual iron material adsorbed on the third conveyor belt 24 by means of a scraper or the like, and the scraped iron material falls into the iron material recovery tank 25.
Referring to fig. 3, further, the dust removing module 40 includes a fixing frame 41 for connecting the first conveyor belt 30, a dust removing box 42 is mounted on the fixing frame 41, and an inner cavity of the dust removing box 42 is divided into an exhaust cavity 43 at an upper end and a dust collecting cavity 44 at a lower end by a partition plate; an air inlet pipe 45 is arranged on the wall of the dust collection cavity 44, and an air outlet pipe 46 is arranged on the wall of the exhaust cavity 43; a first sealing valve 47 is arranged on the air inlet pipe 45, and a flat air inlet is formed at the inlet end of the air inlet pipe 45 facing the bearing surface of the conveyor belt; the air outlet pipe 46 is connected with an air direction switching device 48, an air vent is formed in the surface of the partition plate, a filter bag 49 is sleeved on the air vent, a dust collecting hopper 401 is further arranged at the lower end of the dust collecting cavity 44, a dust outlet pipe 402 is arranged at the bottom of the dust collecting hopper 401, a filter 403 is detachably connected in the dust outlet pipe 402, and a second sealing valve 404 is further arranged at the pipe orifice at the lower end of the dust outlet pipe 402.
In this embodiment, the sand material is transported to the dust removing box 42 through the first conveyor belt 30, at this time, the wind direction switching device 48 is in the air suction state, the first sealing valve 47 is in the open state, the second sealing valve 404 is in the closed state, the dust enters the dust collecting cavity 44 from the air inlet pipe 45, the dust enters the inner cavity of the filter bag 49 from the dust collecting cavity 44, the dust in the air is blocked by the filter bag 49 and is adsorbed on the surface of the filter bag 49, the clean air passes through the air hole, the exhaust cavity 43 and the air outlet pipe 46 to be discharged from the wind direction switching device 48, the large particle dust naturally falls under the action of gravity, and is collected in the dust outlet pipe 402 along with the dust collecting hopper 401, when the small particle dust adsorbed on the filter bag 49 needs to be recovered, the filter 403 is installed in the dust outlet pipe 402, switch wind direction auto-change over device 48 is to the state of blowing to increase fan 483's power, close first seal valve 47, open second seal valve 404, this moment dust on the filter bag 49 is blown out, gets into under the effect of air current the play dirt pipe 402 of dust hopper 401 below, and fully adsorb on the filter 403 to retrieve adsorbed tiny particle dust on the filter bag 49 fast, and because the obstruction of filter 403, the dust can not be followed outside filter 403 reenters dust removal case 42, avoids polluting the environment once more, and the dust on the filter bag 49 clears away clean back, through clean or change filter 403 alright make dust collector drops into dust removal work once more.
Referring to fig. 4, further, the wind direction switching device 48 includes a first wind channel 481 communicated with the wind outlet pipe 46, the first wind channel 481 is communicated with an air inlet of a fan 483 through a first control valve 482, an air outlet of the fan 483 is communicated with a second wind channel 485 through a second control valve 484, a first bypass wind channel 486 is disposed between the air inlet of the fan 483 and the second wind channel 485, a second bypass wind channel 487 is further disposed between the air outlet of the fan 483 and the first wind channel 481, a third control valve 488 is disposed on the first bypass wind channel 486, and a fourth control valve 489 is disposed on the second bypass wind channel 487.
In this embodiment, in the air suction state, the third control valve 488 and the fourth control valve 489 are closed, the first control valve 482 and the second control valve 484 are opened, and air is discharged from the air outlet duct 46 to the first air duct 481 and then discharged through the fan 483 and the second air duct 485; in the blowing state, the first control valve 482 and the second control valve 484 are closed, the third control valve 488 and the fourth control valve 489 are opened, the power of the fan 483 is increased, air is sucked into the fan 483 from the second air passage 485 through the second bypass air passage 487, and is blown into the air outlet pipe 46 from the first bypass air passage 486 to the first air passage 481 through the fan 483.
Referring to fig. 5, further, the loosening module 80 includes an upper case 81 and a lower case 82, the upper case 81 and the lower case 82 are disposed opposite to each other, and the second conveyor belt 70 passes through a transmission channel reserved between the upper case 81 and the lower case 82; a sand loosening device 83 is arranged in the upper box body 81, a conveyor belt beating device 84 is arranged in the lower box body 82, and the sand loosening device 83 and the conveyor belt beating device 84 are respectively connected with a driving motor 86 through a transmission mechanism 85; wherein: the sand loosening device 83 comprises a plurality of rotating rollers 87 which are arranged in parallel along the transmission channel and run synchronously, each rotating roller 87 is provided with a stirring blade 88, and the conveyor belt beating device 84 is a rectangular frame rotating around a rotating shaft.
In this embodiment, the sand is transmitted to the upper box 81 through the second conveyor belt 70 and the transmission channel between the lower box 82, the driving device drives through the transmission mechanism 85 the conveyor belt beating device 84 and the sand loosening device 83 work, on one hand, the conveyor belt beating device 84 continuously beats through the rectangular frame the second conveyor belt 70, so that the sand on the second conveyor belt 70 is bounced up in the upper box 81, on the other hand, because each loosening device runs synchronously, thereby driving the stirring blade 88 arranged on the rotating roller 87 to beat the sand entering the upper box 81, so that the agglomerated sand is scattered and falls into the second conveyor belt 70, and further the effect of loosening the sand is achieved.
Referring to fig. 6, further, the transmission mechanism 85 includes a first transmission shaft 851 and a second transmission shaft, one end of the first transmission shaft 851 is connected to the output shaft of the driving motor 86, the other end of the first transmission shaft 851 is connected to the rotating shaft of the belt beating device 84, the first transmission shaft 851 is provided with a first spiral bevel gear 852, the second transmission shaft is provided with a second spiral bevel gear 853, the first spiral bevel gear 852 is engaged with the second spiral bevel gear 853, and the second transmission shaft is further in transmission connection with any one of the rotating rollers 87 of the sand loosening device 83 through a second belt.
In the present embodiment, a part of the power output by the driving motor 86 is directly applied to the rotating shaft of the belt flapping device 84 through the first rotating shaft, so that the rectangular frame rotationally flaps the belt; on the other hand, the residual power output by the driving motor 86 is transmitted to the second spiral bevel gear 853 through the first spiral bevel gear 852, and is transmitted to the sand loosening device 83 through the second belt after being reversed by the second spiral bevel gear 853.
Referring to fig. 7, further, the flow dividing module 90 includes a guide rail 91, the guide rail 91 is disposed on the second conveyor belt 70 and extends along a length direction thereof, a sliding block 92 movably connected to the guide rail 91 is disposed on the guide rail 91, a support frame 93 composed of a cross beam and two vertical beams oppositely disposed at two ends of the cross beam is disposed below the sliding block 92, a mounting seat 94 is hinged to a center position of the cross beam, an air cylinder 95 is disposed on the mounting seat 94, an output end of the air cylinder 95 is hinged to a flow dividing plate 96 bent to 30 ° to 90 °, left and right sides of the flow dividing plate 96 are respectively hinged to the vertical beams through a connecting plate 97 symmetrically disposed, and the flow dividing module 90 further includes a sliding block 92 driving device 98 for driving the sliding block 92 to slide on the guide rail 91.
In this embodiment, when the sand needs to be divided, the driving device 98 of the slider 92 adjusts the position of the slider 92 on the guide rail 91, the cylinder 95 is started, the cylinder 95 pushes the dividing plate 96 hinged at the output end thereof, because the dividing plate 96 is hinged on the vertical beam through the connecting plate 97, under the pushing of the cylinder 95, the dividing plate 96 rotates around the hinged point with the vertical beam, so that the dividing plate 96 is placed on the second conveyor belt 70, and when the sand is conveyed to the dividing plate 96 through the conveyor belt, under the action of the dividing plate 96, the sand slides down from the two sides of the dividing plate 96, thereby falling into the mold modules 110 arranged at the two sides of the dividing plate 96 for stocking.
Further, the slide block 92 has a threaded hole, the driving device 98 of the slide block 92 includes a stepping motor 981 disposed at one end of the guide rail 91, an output shaft of the stepping motor 981 is connected with a lead screw 982, and the lead screw 982 passes through the threaded hole and is movably connected with the guide rail 91 through a bearing seat disposed at the other end of the guide rail 91.
In this embodiment, the stepping motor 981 drives the screw rod 982 to rotate forward or backward to adjust the position of the slider 92 on the guide rail 91.
Further, a baffle 99 is disposed on the outer side of each of the connection plates 97 in an inclined downward direction.
In the present embodiment, the sand divided from the dividing plate 96 may be guided by the guide plate 99.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides an automatic change sand material circulation system of recycling, its characterized in that, including the separation module that is used for separating casting mould and foundry goods, the output below of separation module is provided with the magnetic separation module, the output below of magnetic separation module is provided with first conveyer belt, the loading end top of first conveyer belt is provided with the dust removal module, the output below of first conveyer belt is provided with choice module, the discharge gate below of choice module is provided with the mixing module, the discharge gate below of mixing module is provided with the second conveyer belt, the loading end top of second conveyer belt has set gradually loose module and reposition of redundant personnel module along its direction of transmission, the both sides of second conveyer belt have a plurality of casting mould modules along its direction of transmission evenly distributed, each the casting mould module with correspond between the separation module and be provided with the transfer car, wherein:
the separation module comprises a vibration shakeout machine, an electromagnet arranged above the vibration shakeout machine and a magnet driving device arranged on the electromagnet;
the dust removal module comprises a fixed frame connected with the first conveyor belt, a dust removal box is mounted on the fixed frame, and an inner cavity of the dust removal box is divided into an exhaust cavity at the upper end and a dust collection cavity at the lower end through a partition plate; an air inlet pipe is arranged on the cavity wall of the dust collection cavity, and an air outlet pipe is arranged on the cavity wall of the exhaust cavity; the air inlet pipe is provided with a first sealing valve, and the inlet end of the air inlet pipe is provided with a flat air inlet facing the bearing surface of the conveyor belt; the air outlet pipe is connected with a wind direction switching device, the plate surface of the clapboard is provided with an air vent, a filter bag is sleeved on the air vent, the lower end of the dust collecting cavity is also provided with a dust collecting hopper, the bottom of the dust collecting hopper is provided with a dust outlet pipe, the dust outlet pipe is detachably connected with a filter, a second sealing valve is arranged at the pipe orifice at the lower end of the dust outlet pipe, the wind direction switching device comprises a first wind channel communicated with the air outlet pipe, the first wind channel is communicated with the air inlet of the fan through a first control valve, the air outlet of the fan is communicated with a second wind channel through a second control valve, a first bypass air channel is arranged between the fan air inlet and the second air channel, a second bypass air channel is also arranged between the fan air outlet and the first air channel, and a third control valve is arranged on the first bypass air channel, and a fourth control valve is arranged on the second bypass air channel.
2. The automatic sand recycling system of claim 1, wherein the magnetic separation module comprises a mounting groove buried under the ground, the vibration shakeout machine is arranged at the notch of the mounting groove, a vibration screen is arranged below the notch of the mounting groove, a vibration conveying device is arranged below the vibration screen, the first conveyor belt is arranged below the output end of the vibration conveying device, a third conveyor belt is further arranged in the mounting groove, the first half section of the third conveyor belt is positioned right above the rear half section of the vibration conveying device, an iron material recovery groove is arranged right below the rear half section of the third conveyor belt, a discharge plate close to the third conveyor belt is obliquely arranged above the iron material recovery groove, and a plurality of magnetic press rollers are arranged between the driving roller and the driven roller of the third conveyor belt in parallel, one end of the mounting frame of the third conveyor belt is hinged to the groove wall of the mounting groove, and the other end of the mounting frame of the third conveyor belt is connected to the lifting device.
3. The automatic sand recycling system of claim 2, wherein the lifting device comprises a rotating shaft penetrating through the third conveyor belt driven roller, two ends of the rotating shaft are respectively hinged with the groove arms of the mounting groove through a connecting piece, a supporting platform is vertically arranged on the ground close to the notch of the mounting groove, a mounting seat is hinged on the supporting platform, a hydraulic rod is arranged on the mounting seat, a mounting frame is fixedly connected above the third conveyor belt, and one end, far away from the mounting seat, of the hydraulic rod is hinged on the mounting frame.
4. The automated sand recycling system of claim 1, wherein the loosening module comprises an upper box and a lower box, the upper box and the lower box are oppositely arranged, and the second conveyor belt passes through a reserved transmission channel between the upper box and the lower box; a sand loosening device is arranged in the upper box body, a conveying belt flapping device is arranged in the lower box body, and the sand loosening device and the conveying belt flapping device are respectively connected with a driving motor through a transmission mechanism; wherein: the sand material loosening device comprises a plurality of rotating rollers which are arranged in parallel along a transmission channel and run synchronously, each rotating roller is provided with a stirring blade, and the conveying belt beating device is a rectangular frame rotating around a rotating shaft.
5. The automated sand recycling system of claim 4, wherein the transmission mechanism comprises a first transmission shaft and a second transmission shaft, one end of the first transmission shaft is connected with the output shaft of the driving motor, the other end of the first transmission shaft is connected with the rotating shaft of the belt beating device, a first spiral bevel gear is arranged on the first transmission shaft, a second spiral bevel gear is arranged on the second transmission shaft, the first spiral bevel gear is meshed with the second spiral bevel gear, and the second transmission shaft is further connected with any rotating roller of the sand loosening device through a second belt transmission.
6. The automatic sand recycling system of claim 1, wherein the diversion module comprises a guide rail, the guide rail is disposed on the second conveyor belt and extends along the length direction of the second conveyor belt, a slide block movably connected with the guide rail is disposed on the guide rail, a support frame consisting of a cross beam and two vertical beams oppositely disposed at two ends of the cross beam is disposed below the slide block, a mounting seat is hinged to the center of the cross beam, an air cylinder is disposed on the mounting seat, a diversion plate bent to 30-90 ° is hinged to the output end of the air cylinder, the left side and the right side of the diversion plate are respectively hinged to the vertical beams through symmetrically disposed connecting plates, and the diversion module further comprises a slide block driving device for driving the slide block to slide on the guide rail.
7. The automated sand recycling system of claim 6, wherein the slide block has a threaded hole, the slide block driving device comprises a stepping motor disposed at one end of the guide rail, an output shaft of the stepping motor is connected with a lead screw, and the lead screw passes through the threaded hole and is movably connected with the guide rail through a bearing seat disposed at the other end of the guide rail.
8. The automated sand recycling system of claim 7, wherein a deflector is disposed obliquely downward on the outside of each of said connecting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910717690.5A CN110421118B (en) | 2019-08-05 | 2019-08-05 | Automatic sand recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910717690.5A CN110421118B (en) | 2019-08-05 | 2019-08-05 | Automatic sand recycling system |
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| Publication Number | Publication Date |
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| CN110421118A CN110421118A (en) | 2019-11-08 |
| CN110421118B true CN110421118B (en) | 2020-10-27 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069528B (en) * | 2019-12-17 | 2021-07-13 | 山东临港有色金属有限公司 | Sand return recycling system for cast iron |
| CN111531123A (en) * | 2020-04-30 | 2020-08-14 | 共享智能铸造产业创新中心有限公司 | Sand supply system and 3D printing equipment |
| CN111604489B (en) * | 2020-05-30 | 2021-09-07 | 绍兴市柯桥区凌丰机械厂 | Casting vibration shakeout system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103406490B (en) * | 2013-07-05 | 2015-11-18 | 玉林市兰科铸造环保设备有限公司 | Recycling cast waste sand reuse method and equipment |
| CN203679172U (en) * | 2014-02-07 | 2014-07-02 | 中机铸材科技（福建）有限公司 | Combined type adjustable magnetic separation device for recycling casting used sodium silicate sand |
| CN203791571U (en) * | 2014-03-31 | 2014-08-27 | 绍兴万龙精密机械制造有限公司 | Green sand mixer |
| CN204075062U (en) * | 2014-09-28 | 2015-01-07 | 四川省金镭铸业有限公司 | A kind of cast waste sand crushing-separating apparatus |
| CN105598361B (en) * | 2016-02-14 | 2018-02-27 | 丁启民 | The apparatus and method for reclaiming casting water glass old sand |
| CN205887964U (en) * | 2016-07-25 | 2017-01-18 | 芜湖诚拓汽车零部件有限公司 | Sand iron separating centrifuge |
| CN207479512U (en) * | 2017-02-07 | 2018-06-12 | 高州市金山志发铸造厂 | Molding sand retracting device |
| CN107234211A (en) * | 2017-04-17 | 2017-10-10 | 邓锦志 | Molding sand reclaims conveyer belt |
| CN207169255U (en) * | 2017-07-19 | 2018-04-03 | 淮安正昌饲料有限公司 | A kind of dust pelletizing system of powder casting device |
| CN208840483U (en) * | 2018-09-26 | 2019-05-10 | 重庆同朗机械有限公司 | A kind of foundry's sand process for producing line |
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