CN104308074B - Casting dry sand cycling and reutilization production line - Google Patents
Casting dry sand cycling and reutilization production line Download PDFInfo
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- CN104308074B CN104308074B CN201410548790.7A CN201410548790A CN104308074B CN 104308074 B CN104308074 B CN 104308074B CN 201410548790 A CN201410548790 A CN 201410548790A CN 104308074 B CN104308074 B CN 104308074B
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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
Abstract
The present invention relates to a kind of casting dry sand cycling and reutilization production line, it comprises that sand processes pipeline, a cooling pipeline and two turnover lines, and the tandem array that sand is processed pipeline and cooling pipeline by two turnover lines is formed for carrying the circulation conveying loop of sandbox; Sand is processed and is provided with successively workpiece remove stage makeup and costume district, sandbox turned letter district, sand treatment region and dry sand fill area on pipeline; The remove stage makeup and costume top in district of workpiece is provided with hanging beam; The top in sandbox turned letter district is provided with sandbox lifting switching mechanism, bottom is provided with granule materials collecting bin; In sand treatment region, be provided with the first elevator, the first screening machine and the second screening machine; Dry sand storage silo is established on the top of dry sand fill area, and the bottom of dry sand storage silo offers dry sand outlet, the upper mounted valve of dry sand outlet, and sand is processed pipeline and is provided with vibration section. The present invention can significantly enhance productivity, technological process simple, manipulation is convenient, casting effect is good, dust pollution is few and can use manpower and material resources sparingly in a large number resource.
Description
Technical field
The present invention relates to dry sand cavityless casting field, specifically a kind of casting dry sand cycling and reutilization production line.
Background technology
In dry sand cavityless casting, first dry quartz sand is inserted in sandbox, the sand mo(u)ld of being made up of molding sand is imbedded in dry quartz sand, then molten iron is cast in sand mo(u)ld, after moulding by casting, by sand mo(u)ld damage, workpiece is taken away. In sandbox after workpiece is taken away, dry sand, broken sand mo(u)ld and the steel sand of cast formation etc. are entrained in together. In actual production, need first sandbox is emptied, then from dry sand storehouse, obtain new dry sand and insert in sky sandbox and proceed casting manipulations, the dry sand with impurity clearing out from sandbox unified heap puts away in order to subsequent treatment.
In existing dry sand cavityless casting, often by manually sandbox being carried out to single processing, the large and inefficiency of labor strength. Meanwhile, in technique, because dry sand cannot directly re-use, make whole technique cannot form the production line of circulation, cause production efficiency lower. In addition, be deposited in factory building and taken large quantity space with the dry sand of impurity, a large amount of labours have been wasted in its round transport, and its separation and processing procedure are also very complicated, have caused the waste of a large amount of human and material resources.
Summary of the invention
The technical problem to be solved in the present invention is to provide and a kind ofly can significantly enhances productivity, technological process is simple, manipulation is convenient, casting effect is good and the casting dry sand cycling and reutilization production line of the resource that can use manpower and material resources sparingly in a large number.
For solving the problems of the technologies described above, casting dry sand cycling and reutilization production line of the present invention comprises that sand processes pipeline, a cooling pipeline and two turnover lines, and its design feature tandem array that to be described two turnover lines process pipeline and cooling pipeline by sand is formed for carrying the circulation conveying loop of sandbox; Described sand process on pipeline, be provided with successively the workpiece for foundry goods is taken out from sandbox remove stage makeup and costume district, for sandbox turned letter district that sandbox is emptied, for separating of going out the sand treatment region of pure dry sand and for fill the dry sand fill area of dry sand in empty sandbox; The remove stage makeup and costume top in district of described workpiece is provided with hanging beam; The top in described sandbox turned letter district is provided with sandbox lifting switching mechanism, and the bottom in sandbox turned letter district is provided with granule materials collecting bin; In described sand treatment region, be provided with and the granule materials in granule materials collecting bin can be promoted to the first elevator of eminence and set gradually and for sieve out the first screening machine and second screening machine of dry sand from above-mentioned granule materials; The top of described dry sand fill area is provided with dry sand storage silo and for the dry sand sieving out being promoted to the second elevator in dry sand storage silo, the bottom of dry sand storage silo is being processed and on position corresponding directly over pipeline, is being offered dry sand outlet with sand, in dry sand outlet, valve is installed, sand is processed pipeline and above-mentioned dry sand, and to export corresponding one section be vibration section.
Adopt said structure, utilize two turnover lines sand to be processed to the sandbox conveying loop of pipeline and a circulation of cooling pipeline tandem array formation, on this conveying loop, the front end of cooling pipeline is pouring area, after cast, it is cooling that sandbox enters cooling pipeline, by a turnover line wherein, sandbox transferred to sand afterwards and process on pipeline, after sandbox is admitted to sand processing pipeline, remove stage makeup and costume in district at workpiece, by hanging beam, the workpiece in sandbox is hung to pipeline, now residue dry sand in sandbox, the steel sand that broken pattern and cast form, in sandbox turned letter district, lift switching mechanism by sandbox upset turned letter by sandbox, the sandbox emptying is processed on pipeline and is continued to be fed forward at sand, the dry sand of pouring out, broken pattern and steel sand particle fall in granule materials collecting bin, multiple granule materials sieves the steel sand particle in dry sand through two-stage respectively again, oarse-grained pattern and molding sand powder are removed, remain pure dry sand and send into dry sand storage silo, in the time that empty sandbox exports through the dry sand of dry sand storage silo below, first open valve and inject a certain amount of dry sand in empty sandbox, valve-off more afterwards, in sandbox, put into new pattern, again open afterwards valve, continue to inject dry sand in sandbox, pattern is imbedded in dry sand, finally sandbox being sent into pouring area by another turnover line pours into a mould, thereby form the pouring product line of a circulation. process on pipeline and be provided with separately vibration section at sand, inject dry sand in sandbox in, can make sandbox produce vibration, ensure that dry sand can tamp sandbox ensure that sand face is smooth, avoid occurring leak in sandbox and affect cast, thereby ensure cast effect.
From the above, utilize structure of the present invention, on production line, directly dry sand is carried out purified treatment and again utilized, simplified dry sand handling process, reduced manpower and materials input. , recycle owing to having realized dry sand meanwhile, make the running that can circulate of whole pouring product line, flow process is simple, manipulation is convenient and increased substantially production efficiency.
The delivery track of one or more is all set on described sand processing pipeline and cooling pipeline, on delivery track, be arranged in order multiple sandboxes, each affixed spacer on the front bulkhead of each sandbox and aft bulkhead, on turnover line, be slidably fitted with tote cart, on tote cart, be equipped with the complete rotation track that can be connected with delivery track, the sandbox delivery device that sandbox can be pushed to delivery track from complete rotation track is installed on tote cart. Sandbox is arranged on pipeline one by one, and tote cart is travelled to and fro between sand and processed between pipeline and cooling pipeline, and the transmitting power on pipeline is provided by sandbox delivery device, and spacer is for separating each sandbox.
Described sandbox delivery device comprise be arranged on the propelling movement oil cylinder of complete rotation track one side, with push cylinder piston rod and be connected and be slidably arranged in the travelling carriage on tote cart and be fixed in the pushing block on travelling carriage top, on two lateral walls of sandbox, be all connected with the bumping post coordinating with above-mentioned pushing block. adopt this kind of structure, therein on the tote cart of a turnover line, pushing cylinder piston rod drives travelling carriage to slide, travelling carriage drives pushing block to move, pushing block promotes bumping post and drives the sandbox on tote cart to move to the direction of pipeline, the sandbox that sandbox on tote cart heads on pipeline moves forward jointly, tote cart on another turnover line is parked in the other end of pipeline, for accessing the sandbox being pushed down on pipeline, after having accessed, tote cart runs to the other end of turnover line, thereby sandbox is transferred on another strip transmission line, so form the sandbox conveying loop of reciprocation cycle, overall structure is simple, manipulation is convenient.
Described sandbox lifting switching mechanism comprise be crossed on sandbox both sides door type framework, be slidably mounted on slider bar in a type framework and for driving the shift mechanism moving in slider bar, on two lateral walls of sandbox, be all vertically connected with lifting post, the bottom of slider bar is provided with and the bracing frame that lifts post and coordinate. In this structure, in the both sides of sandbox, lifting post is installed, by the door type framework slider bar that is slidably installed, the bracing frame that is located at slider bar bottom coordinates sandbox is sling with lifting post, after sandbox is lifted, apply under the effect of external force in gravity and center of gravity or people, sandbox overturns, and the material in sandbox is dumped out and is admitted to granule materials storage silo.
Support frame as described above comprises and is positioned at sustained height and is arranged on side by side two spring bearings in slider bar, and the gap between two spring bearings is less than the external diameter that lifts post. Adopt this structure, lifting post is stuck in the top in two spring bearing gaps, in the time that sandbox overturns, lifting post rotates, and two spring bearings are also followed and rotated, by this simple structure, can play to lifting post the effect of support, while making again sandbox topple over, can rotate more smoothly, ensure the effect that empties of sandbox, it is very convenient to operate.
Described vibration section is provided with sand processes the vibrating transportation track that pipeline is connected, and vibrating transportation track is arranged on a shaking platform, and vibrating motor is installed on shaking platform, and the bottom of shaking platform is connected with support spring. Process on pipeline and cut separately one section as vibration section at sand, the vibrating transportation track in vibration section is used for parking sandbox, utilizes the structure of vibrating motor and vibrating spring, shaking platform is vibrated and drive sandbox vibration, and simple in structure, it is convenient to realize.
The top of described granule materials collecting bin is offered material inlet and on material inlet, is equipped with screen cloth, and the below of screen cloth is provided with material collection bucket, and the outlet of material collection bucket is connected with the entrance of the first elevator by material conveyor. Adopt this structure, the below that screen cloth is laid on sand processes pipeline, when sandbox is lifted upset, granule in sandbox bleeds in material collection bucket by the sieve aperture of screen cloth, the broken pattern of bulk cannot see through sieve aperture, can directly collect for recycling, or by manually directly being broken into pieces on screen cloth, make it be ground into the molding sand particle material collection bucket that bleeds, the particle that material collection bucket is collected is transported to the entrance of the first elevator again via material conveyor.
Described production line also comprises the cooling storehouse of dry sand being located between screening machine and dry sand storage silo, the entrance of described the second elevator is connected with the outlet in the cooling storehouse of dry sand, and the porch in the cooling storehouse of dry sand is provided with for the dry sand sieving out being promoted to the 3rd elevator in the cooling storehouse of dry sand. After cast, although experienced cooling pipeline, in the dry sand in sandbox, still remain amount of heat, the heat effects in dry sand is poured into a mould again, and the cooling storehouse of dry sand is set separately, to the dry sand operation of lowering the temperature.
The open top in the cooling storehouse of described dry sand, the bulkhead in the cooling storehouse of dry sand is the water-cooling wall that is built-in with cooling water pipeline, the bottom in the cooling storehouse of dry sand offers the outlet of cone bucket shape. The cooling storehouse of dry sand adopts the structure of water-cooling wall, and bottom arranges the outlet of cone bucket shape and ensures that material can smooth and easy outflow.
Described production line also comprises dedusting unit, the dust collection pipe of dedusting unit cause respectively in the top, granule materials collecting bin in sandbox turned letter district and each elevator discharging opening directly over. Dedusting unit is set, dust suction operation is carried out in main airborne dust position, thereby avoid dust pollution, ensure air cleaner in factory building.
In sum, the present invention can significantly enhance productivity, technological process is simple, manipulation is convenient, casting effect is good, dust pollution is few and can use manpower and material resources sparingly in a large number resource.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the enlarged diagram of broken circle A inner structure in Fig. 1;
Fig. 3 is the enlarged diagram of broken circle C inner structure in Fig. 2;
Fig. 4 is the enlarged diagram of broken circle B inner structure in Fig. 1;
Fig. 5 is the structural representation that medium sand of the present invention is processed pipeline;
Fig. 6 is the enlarged diagram of broken circle D inner structure in Fig. 5;
Fig. 7 is the structural representation of cheek lifting switching mechanism of the present invention;
Fig. 8 is the enlarged diagram of broken circle E inner structure in Fig. 7;
Fig. 9 is the structural representation that forms two spring bearings of bracing frame.
Detailed description of the invention
With reference to accompanying drawing, casting dry sand cycling and reutilization production line of the present invention comprises that sand processes sand processed pipeline 1 and cooling pipeline 2 by pipeline 1, cooling pipeline 2 and 3, two turnover lines 3 of two turnover lines tandem array and be formed for carrying the circulation conveying loop of sandbox 4.
With reference to accompanying drawing, the delivery track 18 of one or more is all set on sand processing pipeline 1 and cooling pipeline 2, two delivery tracks have been shown in Fig. 1, can carry two sediment outflow casees 4 simultaneously, according to the needs of actual production, four, six or eight delivery tracks 18 can be set, one, three or five delivery tracks 18 can certainly be set. on delivery track 18, be arranged in order multiple sandboxes 4, each affixed spacer 41 on the front bulkhead of each sandbox 4 and aft bulkhead, on turnover line 3, be slidably fitted with tote cart 19, as shown in the figure, on turnover line 3, slide rail is set, tote cart 19 is slidably mounted on slide rail, the both ends of slide rail arrange spacing, the power that tote cart 19 comes and goes operation can adopt electronic form, on slide rail, installing and can coming and going the structure that operation week changes trains or buses is prior art, do not repeat them here, in the present invention, tote cart 19 adopts the structure of flat car, on tote cart 19, be equipped with the complete rotation track 20 that can be connected with delivery track 18, the sandbox delivery device that sandbox 4 can be pushed to delivery track 18 from complete rotation track 20 is installed on tote cart 19. on delivery track 18, sandbox 4 is arranged on pipeline one by one, spacer 41 is for separating each sandbox 4, tote cart 19 is travelled to and fro between sand and is processed between pipeline 1 and cooling pipeline 2, and the transmitting power that sand is processed on pipeline 1 and cooling pipeline 2 provides by sandbox delivery device.
With reference to accompanying drawing, sandbox delivery device comprise be arranged on the propelling movement oil cylinder 21 of complete rotation track 20 1 sides, with push cylinder piston rod and be connected and be slidably arranged in the travelling carriage 22 on tote cart 19 and be fixed in the pushing block 23 on travelling carriage 22 tops, on two lateral walls of sandbox 4, be all connected with the bumping post 42 coordinating with above-mentioned pushing block 23. Wherein, owing to being two delivery tracks shown in figure, travelling carriage need to promote two sediment outflow casees simultaneously and move, as shown in Figure 3, travelling carriage 22 adopts the structure of framework, the both sides of framework respectively arrange a pushing block 23, the pushing block 23 of both sides coordinates with the bumping post 42 on both sides sandbox 4 respectively, the leading section of travelling carriage 22 is connected with the front end that pushes cylinder piston rod, the rearward end of travelling carriage 22 is provided with roller 221, roller 221, for support travelling carriage 22 in rear end, reduces resistance, ensures that travelling carriage 22 can smooth and easyly slide.
With reference to accompanying drawing, from the above, therein on the tote cart 19 of a turnover line 3, pushing cylinder piston rod drives travelling carriage 22 to slide, travelling carriage 22 drives pushing block 23 to move, pushing block 23 promotes bumping post 42 and drives the sandbox 4 on tote cart 19 to move to the direction of pipeline, the sandbox 4 that sandbox 4 on tote cart 19 heads on pipeline moves forward jointly, tote cart 19 on another turnover line 3 is parked in the other end of pipeline, for accessing the sandbox 4 being pushed down on pipeline, after having accessed, tote cart 19 runs to the other end of turnover line 3, thereby sandbox 4 is transferred on another strip transmission line, so form the sandbox conveying loop of reciprocation cycle.
With reference to accompanying drawing, sand process be provided with successively on pipeline 1 workpiece for foundry goods is taken out from sandbox 4 remove stage makeup and costume district 5, for sandbox turned letter district 6 that sandbox 4 is emptied, for separating of going out the sand treatment region 7 of pure dry sand and for the dry sand fill area 8 to the interior filling dry sand of empty sandbox 4. The remove stage makeup and costume top in district 5 of workpiece is provided with hanging beam 9. The top in sandbox turned letter district 6 is provided with sandbox lifting switching mechanism, and the bottom in sandbox turned letter district 6 is provided with granule materials collecting bin 10. In sand treatment region 7, be provided with and the granule materials in granule materials collecting bin 10 can be promoted to the first elevator 11 of eminence and set gradually and for sieve out the first screening machine 12 and second screening machine 13 of dry sand from above-mentioned granule materials. The top of dry sand fill area 8 is provided with dry sand storage silo 14 and for the dry sand sieving out being promoted to the second elevator 15 in dry sand storage silo 14, the bottom of dry sand storage silo 14, processing on position corresponding directly over pipeline 1 and offer dry sand outlet 16 with sand, is provided with valve 17 in dry sand outlet 16.
With reference to accompanying drawing, sandbox lifting switching mechanism comprise be crossed on sandbox 4 both sides door type framework 24, be slidably mounted on slider bar 25 in a type framework 24 and for driving the shift mechanism moving in slider bar 25, the effect of shift mechanism is that slider bar 25 is mentioned,, rely on the gravity of the sandbox 4 that slider bar 25 and slider bar 25 take up when the whereabouts, shift mechanism can adopt and lift the structure such as motor, hoist engine, or use the hanging beam in workshop, the concrete structure of above-mentioned shift mechanism is prior art, does not repeat them here. On two lateral walls of sandbox 4, be all vertically connected with lifting post 43, the bottom of slider bar 25 is provided with and the bracing frame 26 that lifts post 43 and coordinate. Wherein, lifting post 43 and aforementioned two sidewalls that are all arranged on sandbox 4 for the bumping post 42 coordinating with pushing block 23, for easy to process, lifting post 43 and bumping post 42 share a structure, therefore in the accompanying drawings, label 42 and label 43 are illustrated on unified each parts, and this structure is the cylinder welding on sandbox sidewall, and this cylinder can coordinate with pushing block 23 promotion sandbox 4 also can coordinate sandbox 4 is sling with bracing frame 26. After sandbox is lifted, apply under the effect of external force in gravity and center of gravity or people, sandbox 4 overturns, and the material in sandbox 4 is dumped out and is admitted to granule materials storage silo 10. Wherein, as shown in Figure 9, bracing frame 26 comprises that the gap that is positioned at sustained height and be arranged on side by side between two spring bearings, 261, two spring bearings 261 in slider bar 25 is less than the external diameter that lifts post 43. Utilize two bearings lifting posts 43, lifting post 43 is stuck in the top in two spring bearing 261 gaps, in the time that sandbox 4 overturns, lifting post 43 rotates, two spring bearings 261 are also followed and are rotated, and by this simple structure, can play to lifting post 43 effect of support, while making again sandbox 4 topple over, can rotate more smoothly, ensure the effect that empties of sandbox 4.
With reference to accompanying drawing, the top of granule materials collecting bin 10 is offered material inlet and on material inlet, is equipped with screen cloth 32, the below of screen cloth 32 is provided with material collection bucket 33, and the outlet of material collection bucket 33 is connected with the entrance of the first elevator 11 by material conveyor 34. The below that screen cloth 32 is laid on sand processes pipeline 1 track, when sandbox 4 is lifted upset, granule in sandbox 4 bleeds in material collection bucket 33 by the sieve aperture of screen cloth 32, the broken pattern of bulk cannot see through sieve aperture, can directly collect for recycling, or by manually directly being broken into pieces on screen cloth 32, make it be ground into the molding sand particle material collection bucket 33 that bleeds, the particle that material collection bucket 33 is collected is transported to the entrance of the first elevator 11 again via material conveyor 34.
With reference to accompanying drawing, sieve for two-stage, the first screening machine 12 is for separating oarse-grained type membrane granule and steel sand, short grained dry sand and thinner molding sand powder are sized out and enter the second screening machine 13, the second screening machine 13 sieves thinner molding sand powder out from dry sand, and clean dry sand flows out from the outlet of the second screening machine 13.
With reference to accompanying drawing, sand process pipeline 1 and above-mentioned dry sand export 16 corresponding one section be vibration section. As shown in Figure 6, vibration section is provided with sand and processes the vibrating transportation track 27 that pipeline 1 is connected, and vibrating transportation track 27 is arranged on a shaking platform 28, and vibrating motor 31 is installed on shaking platform 28, and the bottom of shaking platform 28 is connected with support spring 29. Process on pipeline 1 and be provided with separately and vibrate section at sand, in the interior injection dry sand of sandbox 4, can make sandbox 4 produce vibration, ensure that dry sand can tamp and ensure that sand face is smooth by sandbox 4, avoid that sandbox 4 is interior to be occurred leak and affect cast, thus the cast effect having ensured.
Utilize said structure, utilize two turnover lines 3 sand to be processed to the sandbox conveying loop of pipeline 1 and a circulation of cooling pipeline 2 tandem arrays formation, on this conveying loop, the front end of cooling pipeline 2 is pouring area 40, after cast, it is cooling that sandbox 4 enters cooling pipeline 2, by a turnover line 3 wherein, sandbox 4 transferred to sand afterwards and process on pipeline 1, after sandbox 4 is admitted to sand processing pipeline 1, remove stage makeup and costume in district 5 at workpiece, by hanging beam 9, the workpiece in sandbox 4 is hung to a side of pipeline, the now interior residue dry sand of sandbox 4, the steel sand that broken pattern and cast form, in sandbox turned letter district 6, lift switching mechanism by sandbox 4 turned letter that overturns by sandbox, the sandbox 4 emptying is processed on pipeline 1 and is continued to be fed forward at sand, the dry sand of pouring out, broken pattern and steel sand particle fall in granule materials collecting bin 10, in sand treatment region 7, multiple granule materials sieves the steel sand particle in dry sand through two-stage respectively again, oarse-grained pattern and molding sand powder are removed, remain pure dry sand and send into dry sand storage silo 14, in the time that empty sandbox 4 exports 16 through the dry sand of dry sand storage silo 14 belows, first open valve 17 to a certain amount of dry sand of the interior injection of empty sandbox 4, valve-off more afterwards, in sandbox 4, put into new pattern, again open afterwards valve 17, continue to the interior injection dry sand of sandbox 4, pattern is imbedded in dry sand, finally sandbox 4 being sent into pouring area 40 by another turnover line 3 pours into a mould, thereby form the pouring product line of a circulation.
After cast, although experienced the cooling of cooling pipeline, in dry sand in sandbox 4, still remain amount of heat, for fear of the cast again of the heat effects pattern in dry sand, with reference to accompanying drawing, production line of the present invention also comprises the cooling storehouse 35 of the dry sand being located between screening machine and dry sand storage silo 14, the entrance of the second elevator 15 is connected with the outlet in the cooling storehouse 35 of dry sand, and the porch in the cooling storehouse 35 of dry sand is provided with for the dry sand sieving out being promoted to the 3rd elevator 36 in the cooling storehouse 35 of dry sand. The cooling storehouse of dry sand is set separately, the operation of can dry sand lowering the temperature. The cooling storehouse 35 of dry sand can adopt the structure of various cooler bin of the prior art or cooling tank, and its inside can arrange the structures such as agitating device. As shown in the figure, the open top in the cooling storehouse 35 of dry sand of the present invention, the bulkhead in the cooling storehouse 35 of dry sand is the water-cooling wall that is built-in with cooling water pipeline, the bottom in the cooling storehouse 35 of dry sand offers the outlet of cone bucket shape. Utilize the structure of water-cooling wall to carry out dry sand cooling, simple in structure, it is convenient to realize, and the outlet of cone bucket shape is set and is more conducive to dry sand and flows out.
With reference to accompanying drawing, production line of the present invention also comprises dedusting unit 38, the dust collection pipe 39 of dedusting unit 38 cause respectively in the top, granule materials collecting bin 10 in sandbox turned letter district 6 and each elevator discharging opening directly over. Due in the process of sand processing, granule materials need to repeatedly be shifted, the a large amount of dust of unavoidable generation in transfer process, the setting of dedusting unit 38 and dust collection pipe 39 can be taken out dirt to main airborne dust position, especially above sandbox turned letter district 6, as shown in Figure 7, on door type framework 24, dust collection cover 44 is set specially, the dust producing while toppling over for collecting sandbox 4. Dedusting unit 38 and dust collection pipe 39 are set, have reduced dust pollution, ensured the air cleaner of factory building.
In sum, the invention is not restricted to above-mentioned detailed description of the invention. Those skilled in the art, under the premise without departing from the spirit and scope of the present invention, can do some changes and modification. Protection scope of the present invention should be as the criterion with claim of the present invention.
Claims (9)
1. a casting dry sand cycling and reutilization production line, comprise that sand processes pipeline (1), a cooling pipeline (2) and two turnover lines (3), it is characterized in that described two circulation conveying loops that have enough to meet the need sand processed pipeline (1) and cooling pipeline (2) by lines (3) tandem array and be formed for carrying sandbox (4); Described sand process on pipeline (1), be provided with successively the workpiece for foundry goods is taken out from sandbox (4) remove stage makeup and costume district (5), for sandbox turned letter district (6) that sandbox (4) is emptied, for separating of going out the sand treatment region (7) of pure dry sand and the dry sand fill area (8) for filling dry sand in empty sandbox (4); The remove stage makeup and costume top in district (5) of described workpiece is provided with hanging beam (9); The top in described sandbox turned letter district (6) is provided with sandbox lifting switching mechanism, and the bottom in sandbox turned letter district (6) is provided with granule materials collecting bin (10); In described sand treatment region (7), be provided with and the granule materials in granule materials collecting bin (10) can be promoted to first elevator (11) of eminence and set gradually and for sieve out the first screening machine (12) and second screening machine (13) of dry sand from above-mentioned granule materials; The top of described dry sand fill area (8) is provided with dry sand storage silo (14) and for the dry sand sieving out being promoted to the second elevator (15) in dry sand storage silo (14), the bottom of dry sand storage silo (14) offers dry sand outlet (16) on corresponding position directly over processing pipeline (1) with sand, dry sand outlet is provided with valve (17) on (16), and sand is processed pipeline (1) and above-mentioned dry sand and export (16) corresponding one section for vibrating section; Described production line also comprises dedusting unit (38), the dust collection pipe (39) of dedusting unit (38) cause respectively in the top, granule materials collecting bin (10) in sandbox turned letter district (6) and each elevator discharging opening directly over.
2. casting dry sand cycling and reutilization production line as claimed in claim 1, it is characterized in that described sand processes the delivery track (18) that one or more is all set on pipeline (1) and cooling pipeline (2), on delivery track (18), be arranged in order multiple sandboxes (4), each affixed spacer (41) on the front bulkhead of each sandbox (4) and aft bulkhead, on turnover line (3), be slidably fitted with tote cart (19), on tote cart (19), be equipped with the complete rotation track (20) that can be connected with delivery track (18), the sandbox delivery device that sandbox (4) can be pushed to delivery track (18) from complete rotation track (20) is installed on tote cart (19).
3. casting dry sand cycling and reutilization production line as claimed in claim 2, it is characterized in that described sandbox delivery device comprise be arranged on the propelling movement oil cylinder (21) of complete rotation track (20) one sides, with push cylinder piston rod and be connected and be slidably arranged in the travelling carriage (22) on tote cart (19) and be fixed in the pushing block (23) on travelling carriage (22) top, on two lateral walls of sandbox (4), be all connected with the bumping post (42) coordinating with above-mentioned pushing block (23).
4. casting dry sand cycling and reutilization production line as claimed in claim 1, it is characterized in that described sandbox lifting switching mechanism comprise be crossed on sandbox (4) both sides door type framework (24), be slidably mounted on the interior slider bar (25) of a type framework (24) and for driving the shift mechanism moving in slider bar (25), on two lateral walls of sandbox (4), be all vertically connected with lifting post (43), the bottom of slider bar (25) is provided with and the bracing frame (26) that lifts post (43) and coordinate.
5. casting dry sand cycling and reutilization production line as claimed in claim 4, it is characterized in that support frame as described above (26) comprises is positioned at sustained height and is arranged on side by side two spring bearings (261) in slider bar (25), and the gap between two spring bearings (261) is less than the external diameter of lifting post (43).
6. casting dry sand cycling and reutilization production line as claimed in claim 1, it is characterized in that described vibration section is provided with the vibrating transportation track (27) being connected with sand processing pipeline (1), vibrating transportation track (27) is arranged on a shaking platform (28), vibrating motor (31) is installed on shaking platform (28), and the bottom of shaking platform (28) is connected with support spring (29).
7. casting dry sand cycling and reutilization production line as claimed in claim 1, the top that it is characterized in that described granule materials collecting bin (10) is offered material inlet and on material inlet, is equipped with screen cloth (32), the below of screen cloth (32) is provided with material collection bucket (33), and the outlet of material collection bucket (33) is connected with the entrance of the first elevator (11) by material conveyor (34).
8. casting dry sand cycling and reutilization production line as claimed in claim 1, it is characterized in that described production line also comprises the cooling storehouse of dry sand (35) being located between screening machine and dry sand storage silo (14), the entrance of described the second elevator (15) is connected with the outlet in the cooling storehouse of dry sand (35), and the porch in the cooling storehouse of dry sand (35) is provided with for the dry sand sieving out being promoted to the 3rd elevator (36) in the cooling storehouse of dry sand (35).
9. casting dry sand cycling and reutilization production line as claimed in claim 8, it is characterized in that the open top in the cooling storehouse of described dry sand (35), the bulkhead in the cooling storehouse of dry sand (35) is the water-cooling wall that is built-in with cooling water pipeline, and the bottom in the cooling storehouse of dry sand (35) offers the outlet of cone bucket shape.
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| CN201410548790.7A CN104308074B (en) | 2014-10-17 | 2014-10-17 | Casting dry sand cycling and reutilization production line |
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| CN201410548790.7A CN104308074B (en) | 2014-10-17 | 2014-10-17 | Casting dry sand cycling and reutilization production line |
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| CN104308074B true CN104308074B (en) | 2016-05-18 |
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