CN208495704U - A kind of regeneration treatment system of dispellable mould casting molding sand - Google Patents

A kind of regeneration treatment system of dispellable mould casting molding sand Download PDF

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Publication number
CN208495704U
CN208495704U CN201821173970.1U CN201821173970U CN208495704U CN 208495704 U CN208495704 U CN 208495704U CN 201821173970 U CN201821173970 U CN 201821173970U CN 208495704 U CN208495704 U CN 208495704U
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China
Prior art keywords
sieve
molding sand
support frame
transmission belt
splicing groove
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CN201821173970.1U
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Chinese (zh)
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黄勇
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Yunnan Tianchuang Mechanical And Electrical Equipment Co Ltd
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Yunnan Tianchuang Mechanical And Electrical Equipment Co Ltd
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Abstract

The utility model discloses a kind of regeneration treatment systems of dispellable mould casting molding sand, including crushing mechanism, screening mechanism and drier, crushing mechanism includes feed hopper, crusher chamber and blow tank, feeding funnel bottom part is provided with feed opening, it is provided with shaft in crusher chamber, is provided with flinders in shaft;Spray head is provided in feed opening, spray head is connected by water pipe with a water tank, and water pump is provided on water pipe;Screening mechanism includes support frame, the second sieve and splicing groove, and the upper end of the second sieve is located at the lower section of blow tank, and splicing groove is located at the lower section of the second sieve, and the second sieve is slidably matched with support frame, and the side of the second sieve is connected with driving mechanism;Picking-up container is provided with below second sieve lower end;Drier includes transmission belt, and inclined delivery chute is provided with below the lower end of splicing groove, is provided with blowing blower above transmission belt.The present apparatus can be realized the regeneration of molding sand and recycle, and save casting cost.

Description

A kind of regeneration treatment system of dispellable mould casting molding sand
Technical field
The utility model belongs to lost foam casting apparatus field, especially a kind of regeneration treatment of dispellable mould casting molding sand System.
Background technique
Lost foam casting (also known as cavityless casting) is by paraffin similar with casting dimension shape or bubbles model bonding group Synthetic model cluster is embedded in vibration molding in drystone sand, is poured under negative pressure, make model gas after brushing fireproof coating and drying Change, liquid metals occupies modal position, and the novel casting method of casting is formed after solidification is cooling.Lost foam casting is a kind of nearly nothing The new process of surplus, precise forming, the technique without modulus, without die joint, without sand core, thus casting do not have overlap, burr and Pattern draft, and reduce as type core combination and caused by scale error.Surface roughness are up to Ra3.2 to 12.5 μ m;Casting dimension accuracy is up to CT7 to 9;Machining allowance is up to 1.5 to 2mm, can greatly reduce the expense of machining, and pass System sand mould casting method is compared, it is possible to reduce 40% to 50% machining time, complicated especially suitable for motor housing etc. The casting of part.
Lost foam casting process are as follows: original foamed bead-bead prefoam-bead curing-bead foam molding-mould Type dip-coating-vibration molding-casting displacement-cooling and demolding.In order to reduce casting cost, molding sand can generally be recycled, and be disappeared It, can be hardened blocking, it is necessary to could utilize again after treatment after die cast generally uses quartz sand, quartz sand to use once.
Utility model content
It, can will be after use the purpose of this utility model is to provide a kind of regeneration treatment system of dispellable mould casting molding sand Molding sand carry out regeneration treatment, in order to reuse.
Purpose of the utility model is realized as follows: a kind of regeneration treatment system of dispellable mould casting molding sand, including Crushing mechanism, screening mechanism and drier,
The crushing mechanism includes feed hopper, crusher chamber and blow tank, the feed hopper be set to the top of crusher chamber and The bottom of feed hopper is provided with the feed opening communicated with crusher chamber, and the blow tank is set to the bottom of crusher chamber;It is described broken It is intracavitary to be provided with horizontal shaft, flinders is provided in the shaft, and one end of shaft is connected with broken motor, it is described broken The first sieve is provided between fragment and blow tank;The side wall of the feed opening is provided with multiple spray heads, and the spray head is logical It crosses water pipe to be connected with a water tank, is provided with water pump on the water pipe;
The screening mechanism includes support frame, the second sieve and splicing groove, and the sieve diameter of the second sieve is less than the first sieve The sieve diameter of net, the upper end of second sieve are located at the lower section of blow tank, and the splicing groove is located at the lower section of the second sieve, Second sieve and splicing groove are obliquely installed on the support frame, and the width of the second sieve is less than the width of splicing groove, institute The second sieve to be stated to be slidably matched with support frame, glide direction is horizontal direction, and the side of the second sieve is connected with driving mechanism, The driving mechanism installation is on the support frame;Picking-up container is provided with below described lower one end of two sieves;
The drier includes transmission belt, is provided with inclined delivery chute, institute below described lower one end of splicing groove The one end for stating transmission belt is located at the lower section of the lower one end of delivery chute, is provided with multiple blowing blowers above transmission belt.
Further, the driving mechanism includes driving motor, crank and connecting rod, and the driving motor is fixedly mounted on branch On support, one end of the crank is fixedly connected with the main shaft of driving motor, and one end of the other end and connecting rod is hinged, the connecting rod The other end and the second sieve it is hinged.
Further, material stirring-up mechanism is provided between adjacent two blowings blower, the material stirring-up mechanism includes that setting is being transmitted Rack with top is provided with stirring motor in the rack, is connected with vertical drive rod on the main shaft of the stirring motor, The lower end of the drive rod is provided with stirring pawl.
Further, striker plate is provided at the two sides of the transmission belt.
The beneficial effects of the utility model are: when used molding sand is collected into a certain amount of, using manually or Molding sand is delivered in feed hopper by hoisting mechanism, and for molding sand when passing through feed opening, water is sprayed to molding sand by spray head, keeps molding sand wet Profit, first is that can reduce it is hardened after molding sand hardness, generate dust in order to which quick crashing is at particle, when second is that can avoid broken. After wet molding sand enters crusher chamber, it is crushed motor and drives flinders high speed rotation, molding sand is crushed, the type that partial size is met the requirements Sand falls into blow tank after passing through the first sieve, then slides on the second sieve, and driving mechanism pushes the second sieve constantly to come Sliding is returned, sieves the second sieve to molding sand, the molding sand that partial size is met the requirements falls in splicing from the sieve pore of the second sieve On slot, slide then along splicing groove to transmission belt, then as transmission belt moves, blowing blower by air accelerate after-blow to Molding sand keeps molding sand dry, and the molding sand after drying can reuse.
Detailed description of the invention
Fig. 1 is the schematic front view of the utility model.
Fig. 2 is the setting schematic diagram of driving mechanism.
Appended drawing reference: 1-feed hopper;2-crusher chambers;3-blow tanks;4-feed openings;5-shafts;6-flinders; 7-broken motors;8-spray heads;9-water tanks;10-water pipes;11-water pumps;12-support frames;13-the second sieve;14— Splicing groove;15-the first sieve;16-driving mechanisms;17-picking-up containers;18-transmission belts;19-delivery chutes;20-blowing airs Machine;21-racks;22-stirring motors;23-drive rods;24-stirring pawls;25-striker plates.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, the regeneration treatment system of a kind of dispellable mould casting molding sand of the utility model, including it is broken Broken mechanism, screening mechanism and drier,
The crushing mechanism includes feed hopper 1, crusher chamber 2 and blow tank 3, and the feed hopper 1 is set to the top of crusher chamber 2 Portion and the bottom of feed hopper 1 are provided with the feed opening 4 communicated with crusher chamber 2, and the blow tank 3 is set to the bottom of crusher chamber 2; It is provided with horizontal shaft 5 in the crusher chamber 2, flinders 6 is provided in the shaft 5, and one end of shaft 5 is connected with brokenly Broken motor 7 is provided with the first sieve 15 between the flinders 6 and blow tank 3;The side wall of the feed opening 4 is provided with multiple Spray head 8, the spray head 8 are connected by water pipe 10 with a water tank 9, are provided with water pump 11 on the water pipe 10.
Water is housed in water tank 9, when used molding sand is collected into a certain amount of, is delivered to by artificial or lifting means In feed hopper 1, molding sand falls into crusher chamber 2 from the feed opening 4 of 1 bottom of feed hopper, and when by feed opening 4, water pump 11 is by water tank 9 In water be evacuated to spray head 8, water sprays to molding sand from spray head 8, keeps molding sand wet, avoids generating dust when broken, drop simultaneously It is low it is hardened after molding sand hardness, in order to rapidly make it is hardened after molding sand be separated into fine particle again.Molding sand enters broken After broken chamber 2, it is crushed motor 7 and drives shaft 5 and 6 high-speed rotation of flinders, flinders 6 strikes molding sand, broken up, partial size is less than The molding sand of the sieve diameter of first sieve 15 is by sieve pore, and the biggish molding sand particle entrapment of partial size is in crusher chamber 2, until quilt It is dispersed as smaller particle again.
The screening mechanism includes support frame 12, the second sieve 13 and splicing groove 14, and the sieve diameter of the second sieve 13 is small In the sieve diameter of the first sieve 15, the sieve diameter of the second sieve 13 is adapted to the molding sand diameter for lost foam casting, is made With being again to be screened the molding sand after breaing up, the molding sand screened is used as dispellable mould casting.Second sieve The upper end of net 13 is located at the lower section of blow tank 3, and the splicing groove 14 is located at the lower section of the second sieve 13,13 He of the second sieve Splicing groove 14 is inclined at support frame 12, and the width of the second sieve 13 is less than the width of splicing groove 14, guarantees splicing groove 14 can catch all molding sand by 13 sieve pore of the second sieve, and second sieve 13 is slidably matched with support frame 12, sliding Direction is horizontal direction, and the side of the second sieve 13 is connected with driving mechanism 16, drives the second sieve by driving mechanism 16 13 move back and forth on support frame 12, it will be able to realize the screening of molding sand, the driving mechanism 16 is mounted on support frame 12;Institute It states and is provided with picking-up container 17 below the lower one end of the second sieve 13.When screening, the biggish molding sand of partial size rests on the second sieve It on 13, then tumbles into picking-up container 17, these molding sand can be fed again into feed hopper 1 and are crushed, to improve the rate of recovery.And grain The lesser molding sand of diameter is fallen in splicing groove 14, and slides into drier along splicing groove 14.
The drier includes transmission belt 18, and the splicing groove 14 is provided with inclined delivery chute below lower one end 19, one end of the transmission belt 18 is located at the lower section of the lower one end of delivery chute 19, and the top of transmission belt 18 is provided with multiple blowings Blower 20.Molding sand in splicing groove 14 drives transmission belt 18 by falling in transmission belt 18 after delivery chute 19, using transmission electrical machine Movement, so that molding sand be driven to move, air is accelerated molding sand of the after-blow in transmission belt 18 by blowing blower 20, keeps molding sand dry, Molding sand after drying can reuse.
Hydraulic cylinder etc. can be used in driving mechanism 16, it is preferred that the driving mechanism 16 includes driving motor, crank and company Bar, the driving motor are fixedly mounted on support frame 12, and one end of the crank is fixedly connected with the main shaft of driving motor, separately One end and one end of connecting rod are hinged, and the other end of the connecting rod and the second sieve 13 are hinged.Driving motor, crank, connecting rod and Second sieve 13 constitutes slider-crank mechanism, and when driving motor rotates, crank rotation, crank then drives one end of connecting rod to rotate, The other end of connecting rod pulls the second sieve 13 to move back and forth, and realizes the screening to molding sand.
In order to accelerate rate of drying, it is provided with material stirring-up mechanism between adjacent two blowings blower 20, specifically, the upender Structure includes the rack 21 that 18 top of transmission belt is arranged in, and is provided with stirring motor 22, the stirring motor 22 in the rack 21 Main shaft on be connected with vertical drive rod 23, the lower end of the drive rod 23 is provided with stirring pawl 24.Stirring motor 22 rotates When drive drive rod 23 rotate, drive rod 23 drive stirring pawl 24 rotate, stirring pawl 24 then in transmission belt 18 molding sand carry out Plane is dynamic, and molding sand can be made uniformly, rapidly to dry.
It is provided with striker plate 25 at the two sides of the transmission belt 18, molding sand is from the two sides of transmission belt 18 when preventing stirring It is unrestrained.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (4)

1. a kind of regeneration treatment system of dispellable mould casting molding sand, it is characterised in that: including crushing mechanism, screening mechanism and Drier, the crushing mechanism include feed hopper (1), crusher chamber (2) and blow tank (3), and the feed hopper (1) is set to brokenly The top of broken chamber (2) and the bottom of feed hopper (1) are provided with the feed opening (4) communicated with crusher chamber (2), the blow tank (3) It is set to the bottom of crusher chamber (2);It is provided with horizontal shaft (5) in the crusher chamber (2), is provided on the shaft (5) Flinders (6), and one end of shaft (5) is connected with broken motor (7), is provided between the flinders (6) and blow tank (3) First sieve (15);The side wall of the feed opening (4) is provided with multiple spray heads (8), and the spray head (8) passes through water pipe (10) It is connected with a water tank (9), is provided with water pump (11) on the water pipe (10);The screening mechanism includes support frame (12), second Sieve (13) and splicing groove (14), the sieve diameter of the second sieve (13) less than the first sieve (15) sieve diameter, described The upper end of two sieves (13) is located at the lower section of blow tank (3), and the splicing groove (14) is located at the lower section of the second sieve (13), described Second sieve (13) and splicing groove (14) are inclined on support frame (12), and the width of the second sieve (13) is less than splicing The width of slot (14), second sieve (13) are slidably matched with support frame (12), and glide direction is horizontal direction, and second sieves The side of net (13) is connected with driving mechanism (16), and the driving mechanism (16) is mounted on support frame (12);Second sieve Picking-up container (17) are provided with below net (13) lower one end;The drier includes transmission belt (18), the splicing groove (14) be provided with below lower one end inclined delivery chute (19), one end of the transmission belt (18) be located at delivery chute (19) compared with The lower section of low one end is provided with multiple blowing blowers (20) above transmission belt (18).
2. a kind of regeneration treatment system of dispellable mould casting molding sand according to claim 1, it is characterised in that: the drive Motivation structure (16) includes driving motor, crank and connecting rod, and the driving motor is fixedly mounted on support frame (12), the crank One end be fixedly connected with the main shaft of driving motor, one end of the other end and connecting rod is hinged, the other end of the connecting rod and second Sieve (13) is hinged.
3. a kind of regeneration treatment system of dispellable mould casting molding sand according to claim 1, it is characterised in that: adjacent two Material stirring-up mechanism is provided between blowing blower (20), the material stirring-up mechanism includes the rack being arranged above transmission belt (18) (21), it is provided with stirring motor (22) on the rack (21), is connected with vertical biography on the main shaft of the stirring motor (22) The lower end of lever (23), the drive rod (23) is provided with stirring pawl (24).
4. a kind of regeneration treatment system of dispellable mould casting molding sand according to claim 3, it is characterised in that: the biography Striker plate (25) are provided at the two sides of defeated band (18).
CN201821173970.1U 2018-07-24 2018-07-24 A kind of regeneration treatment system of dispellable mould casting molding sand Active CN208495704U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821173970.1U CN208495704U (en) 2018-07-24 2018-07-24 A kind of regeneration treatment system of dispellable mould casting molding sand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821173970.1U CN208495704U (en) 2018-07-24 2018-07-24 A kind of regeneration treatment system of dispellable mould casting molding sand

Publications (1)

Publication Number Publication Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110038677A (en) * 2019-05-20 2019-07-23 深圳达芬奇创新科技有限公司 A kind of damping type crushes, screening, transportation integration apparatus
CN110586856A (en) * 2019-08-07 2019-12-20 山西永益铸管股份有限公司 Recovery processing device of sand mould casting waste sand
CN110586855A (en) * 2019-08-07 2019-12-20 山西永益铸管股份有限公司 Method for recycling waste sand from sand mold casting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110038677A (en) * 2019-05-20 2019-07-23 深圳达芬奇创新科技有限公司 A kind of damping type crushes, screening, transportation integration apparatus
CN110586856A (en) * 2019-08-07 2019-12-20 山西永益铸管股份有限公司 Recovery processing device of sand mould casting waste sand
CN110586855A (en) * 2019-08-07 2019-12-20 山西永益铸管股份有限公司 Method for recycling waste sand from sand mold casting

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