CN104475678A - Vacuum-forming production line capable of recycling sand - Google Patents

Vacuum-forming production line capable of recycling sand Download PDF

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Publication number
CN104475678A
CN104475678A CN201410845546.7A CN201410845546A CN104475678A CN 104475678 A CN104475678 A CN 104475678A CN 201410845546 A CN201410845546 A CN 201410845546A CN 104475678 A CN104475678 A CN 104475678A
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CN
China
Prior art keywords
sand
buggy
frame
transfer car
sand grains
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Granted
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CN201410845546.7A
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Chinese (zh)
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CN104475678B (en
Inventor
杜建辉
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FUJIAN BAOSHAN MACHINERY Co Ltd
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FUJIAN BAOSHAN MACHINERY Co Ltd
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Priority to CN201410845546.7A priority Critical patent/CN104475678B/en
Publication of CN104475678A publication Critical patent/CN104475678A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • B22C9/03Sand moulds or like moulds for shaped castings formed by vacuum-sealed moulding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C25/00Foundry moulding plants

Abstract

The invention discloses a vacuum-forming production line capable of recycling sand. The vacuum-forming production line comprises a casting mold frame mechanism, a vacuum forming mechanism, a casting mechanism, a sand-casting separation mechanism, a sand recovering mechanism, an electric block device and a crane, wherein the vacuum forming mechanism is used for filling sand into the casting mold frame mechanism and laminating the two sides of the sand; the casting mechanism is used for filling metal melted liquid into the laminated casting mold frame mechanism; the crane is coordinated with the travelling of the electric block device; an inlet of the sand recovering mechanism is communicated with the sand-casting separation mechanism, and an outlet of the sand recovering mechanism is communicated with the vacuum forming mechanism. According to the vacuum-forming production line disclosed by the invention, the sand recovering mechanism is arranged to automatically collect, cool and return sand and remove impurities after foundry; the whole sand recovery process can be automatically finished by the machine, so that the working procedure of manual processing can be avoided, a mass of manpower and material resources can be reduced, the sand utilization efficiency can be greatly improved, the sand recovery timing sequence can be shortened, and the production efficiency can be improved.

Description

A kind of vacuum model producing line of sand grains reusable edible
Technical field
The present invention relates to field of metal casting technology, refer in particular to a kind of vacuum model producing line of sand grains reusable edible.
Background technology
For a long time, the sand mold used during casting is reinforced with the binding material in sand.Along with the develop rapidly of vacuum process technology, current domestic a lot of producer in order to obtain good cast product, and wishes the waste that can reduce sand grains, often quotes vacuo-forming machine to prepare sand mold.
Vacuo-forming is the thin thermoplastic plastic membrane of employing one, it is heated to softening point, then it is covered and be drilled with hole and on the apperance plate bled in the back side, plastic foil just covers tightly equably on shuttering work face, above-mentioned template is put the sandbox of special construction, in case filling can flow freely, the sand of adhesive-free, through micro-vibration, the place that sand grains is raveled is closely knit very soon, second plastic foil is covered again at the sandbox back side, in the sand of sandbox, set up vacuum, sand just becomes consolidation.Remove the vacuum in template afterwards, the plastic foil covered in template is just transferred on sand mold, becomes the working surface of sand mold, now can take out apperance in autotype, and " half sand mold " has just become.In like manner, another " half sand mold " also can as said method manufacture.Two " half sand molds " made are combined, and can pour into a mould.During cast, the plastic foil fusing on working face, molten plastic part enters layer of sand, and form a hard smooth surface, the plastics waste gas that partial combustion is fallen is drained through sand mold, and metal solidifies in sand mold, cooling.Remove the vacuum in sand mold.Under gravity, sand mold ravels automatically, obtains foundry goods.
For now, the sand grains quantity that existing vacuo-forming equipment adopts is extremely many, and after moulding, sand grains often needs to go process manually, need the manpower and materials of at substantial, and casting after sand grains often temperature is higher, fast cooling cannot be carried out to sand grains, affect production efficiency.
Summary of the invention
The invention provides a kind of vacuum model producing line of sand grains reusable edible, its main purpose is to overcome that existing vacuo-forming equipment exists cannot carry out fast cooling to sand grains, affects the defect of production efficiency.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of vacuum model producing line of sand grains reusable edible, comprise the framed mechanism of casting, for inserting sand grains and the vacuo-forming mechanism of both sides overlay film at sand grains in the framed mechanism of casting, for the casting mechanism to the framed mechanism of the casting after overlay film perfusion point molten metal, sand grains foundry goods separating mechanism, sand grains recovering mechanism, hang for the electric block device of carrying the framed mechanism of described casting and the row that coordinates this electric block device to walk, the entrance of described sand grains recovering mechanism is communicated in described sand grains foundry goods separating mechanism, and outlet is in described vacuo-forming mechanism,
The framed mechanism of described casting comprises the upper framed and low mold frame that mutually pairing connects, and described framed and low mold frame is provided with the unidirectional extraction valve that can be communicated in a vacuum device;
The the first moulding transfer car(buggy) assembly be arranged in juxtaposition about described vacuo-forming mechanism comprises and the second moulding transfer car(buggy) assembly, the top of described first moulding transfer car(buggy) assembly and the second moulding transfer car(buggy) assembly comprises overlay film station from front to back successively, add sand jolt ramming station and stripper station after covering notacoria, described overlay film station is provided with one and automatically gets film covering device, described adding on sand jolt ramming station, is provided with a sand adding device, described cover notacoria after stripper station is provided with one and manually gets notacoria device and and automatically open die device, described first moulding transfer car(buggy) assembly comprises the first track, first moulding transfer car(buggy) body and the first driving assembly driving this first moulding transfer car(buggy) body to slide on the first track, described second moulding transfer car(buggy) assembly comprises the second track, second moulding transfer car(buggy) body and the second driving assembly driving this second moulding transfer car(buggy) body to slide on the second track, the end face of described first moulding transfer car(buggy) body is provided with the upper mould suitable with the cast product first half, the end face of described second moulding transfer car(buggy) body is provided with the lower mould suitable with cast product Lower Half, a plurality of aspirating hole being communicated in described vacuum device is all arranged on the surface of described upper mould and lower mould,
When the first moulding transfer car(buggy) body and the second moulding transfer car(buggy) body are positioned at described overlay film station, first plastic foil takes out and respectively by the surface of vacuum suction mould and lower mould on described by described film covering device of automatically getting, describedly framedly be covered on mould on this by above-mentioned electric block device correspondence, described low mold frame is covered on described lower mould by described electric block device correspondence;
When adding sand jolt ramming station described in the first moulding transfer car(buggy) body and the second moulding transfer car(buggy) body are positioned at, described sand adding device loads full sand grains respectively to the upper framed and low mold frame be positioned at below it;
When covering stripper station after notacoria described in the first moulding transfer car(buggy) body and the second moulding transfer car(buggy) body are positioned at, user manually gets the second plastic foil on notacoria device and the top covering described framed and low mold frame respectively by pulling, by vacuum device to described framed and inner the bleeding of low mold frame, described sand grains to be just located between the first plastic foil and the second plastic foil thus to form the sand mo(u)ld for point molten metal casting; Describedly automatically open the below that die device is positioned at described first moulding transfer car(buggy) body and the second moulding transfer car(buggy) body, and for upwards upper framed and low mold frame described in jack-up, make it depart from described upper mould and lower mould;
Described casting mechanism comprises one for described low mold frame being turned over the flask overturning device of turnback and a plurality of casting of metals workbench, when after low mold frame upset 180 degree, this low mold frame is transported to described casting of metals workbench by described electric block device, and by the described framed top being transported to this low mold frame, thus complete framed and docking that is low mold frame;
Described sand grains foundry goods separating mechanism comprises the screen cloth that a sand grains accumulator tank and is covered on this sand grains accumulator tank notch place;
Described sand grains recovering mechanism comprise be communicated with described sand grains accumulator tank the first conveying worm, be communicated in vibratory sieve that this first conveying worm exports, be communicated in this Vibration Screen after chain elevator, be communicated in sand grains cooling device that this chain elevator exports, be communicated in bucket elevator that this sand grains cooling device exports and be communicated in the second conveying worm that this bucket elevator exports; described sand adding device is built-in with sand storage, and the outlet of described second conveying worm is in described sand storage.
Further, also comprise a dedusting mechanism, this dedusting mechanism is respectively provided with a dust removal port in described vacuo-forming mechanism and sand grains foundry goods separating mechanism.
Further, described sand grains cooling device comprises a plurality of air inlets that complex root condenser pipe in this cooling bed body inside of a cooling bed body arranged in long tubular, interlaced arrangement and interval are arranged in described cooling bed body sidewall, condenser pipe described in complex root is communicated in a cooling water circulating device, and a plurality of described air inlet is communicated in an air blast.
Further, described first moulding transfer car(buggy) body and the second moulding transfer car(buggy) body comprise platen, vehicle frame and wheel all from top to bottom, the top of described platen is fixedly equiped with described upper mould or lower mould, and the below of described platen is fixedly equiped with a vibration pump.
Further, described platen is installed on described vehicle frame by four air bags being arranged in four diagonal position places below it.
Further, the described die device that automatically opens comprises the cylinder be arranged at below described first track or the second track and the piston rod end being connected to this cylinder and the hoisting frame risen by this air cylinder driven, the upper end of this hoisting frame is provided with four contact parts being mutually diagonal angle and arranging, when hoisting frame rises, these four contact parts are just in time connected to the periphery of described framed or low mold frame and do not contact with described upper mould or lower mould.
Further, describedly manually get that notacoria device comprises frame, the plastic foil core be fixed in frame, to be installed in frame and to be positioned at the cutter at plastic foil core rear rotationally, the tie point of described cutter and described frame stretches out and is connected to one for the handle to its input torque.
Further, described cutter comprises electrical heating wire and two for supporting the cutter support of electrical heating wire, described cutter support one end is connected in described frame rotationally, the other end is for setting up described electrical heating wire, the middle part of described cutter support is connected to one for producing the one end to the extension spring of upper pulling force to it, and the other end of this extension spring is fixed in described frame.
Further, described film covering device of automatically getting comprises and gets overlay film assembly and cutting overlay film assembly, described overlay film assembly of getting comprises frame, exhibition film platform in this frame, be located at the film roll shaft of exhibition film platform side, for get cover film get film frame, be connected to the movable stand that this is got the heater above film frame and controls this heater, described exhibition film platform by the first driving mechanisms control knee-action with get film frame and coordinate and transmit film, described first driving mechanism is be located at the cylinder on exhibition film mesa base four angles, described heater is divided into left district, middle district, region, three, right district, three regions of heater can be opened simultaneously, described getting on film frame is connected with the second driving mechanism, can be controlled it and carry out film coating operation downwards, described film frame of getting is hollow, rectangular frame lower surface being provided with vacuum film adsorption hole, described movable stand is provided with guide wheel, described frame rear is provided with vertical plate, this vertical plate is provided with horizontal guide rail, described guide wheel coordinates with guide rail and drives movable stand to move left and right, described cutting overlay film assembly comprises the cutter being connected to described exhibition film platform sides and the driving mechanism driving this cutter knee-action, described cutter comprises electrical heating wire and the cutter support for supporting electrical heating wire, and described driving mechanism is the cylinder being located at both sides, cutter bottom.
Further, described sand adding device comprises sand storage, add sand mouth and for closing the sand door adding sand mouth, described sand door is divided into left sand door, medium sand door and right sand door three parts of arranging successively, described in three sand doors, medium sand door is corresponding with small-sized framed shape size, each sand door can switch separately, three sand are respectively connected with the hydraulic cylinder that can control its switch in side behind the door, this hydraulic cylinder is controlled by a controller, be provided with the sieve plate being evenly equipped with sieve aperture below described sand door, these sieve plate both sides are connected with the both sides of the edge adding sand mouth.
Compared to the prior art, the beneficial effect that the present invention produces is:
1, structure of the present invention is simple, practical; by arranging described sand grains recovering mechanism; after completing casting; can automatically sand grains be carried out collect by this sand grains recovering mechanism, removal of impurities, cooling and Hui Ku, whole sand grains removal process is all automatically completed by machine, saves the operation of artificial treatment completely; thus both a large amount of manpower and materials can be saved; greatly can improve again the utilization ratio of sand grains, shorten sand grains and reclaim sequential, enhance productivity.
2, in the present invention, by arranging a plurality of air inlet at described cooling bed body sidewall, air blast can be blown the sand grains in cooling bed body by this air inlet, sand grains is made to carry out spiral wriggling around condenser pipe, drastically increase the heat exchanger effectiveness of sand grains and condenser pipe, be conducive to the linking and the operation that realize automatic high-efficiency production line.
3, in the present invention, described exhibition film platform to move up and down film near getting film frame, and film is adsorbed by the vacuum film adsorption hole of getting on film frame, avoids to get film frame and move up and down and carry out getting film, greatly reduces the possibility because mechanical oscillation make film drop.Can the absorption of film be completed smoothly and paste, thus improve the operating efficiency of whole vacuo-forming streamline.
4, in the present invention, user can control the independent switch of three sand doors, to regulate according to different framed sizes scope of shaking out.When use large-scale framed time, three sand doors are opened simultaneously, shake out; When use small-sized framed time, only open medium sand door, shake out.Make sanding device be able to accurately sand to be added framed in, sand material is uniformly distributed.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of the recovering mechanism of sand grains described in the present invention.
Fig. 3 is for manually getting the structural representation of notacoria device described in the present invention.
Fig. 4 is the using state reference diagram of Fig. 3.
The structural representation that Fig. 5 is the first moulding transfer car(buggy) body described in the present invention or the second moulding transfer car(buggy) body.
Fig. 6 is for automatically getting the structural representation of film covering device described in the present invention.
Fig. 7 is the using state reference diagram of Fig. 6.
Fig. 8 is the enlarged diagram at A place in Fig. 7.
Fig. 9 is the structural representation of sand adding device described in the present invention.
Figure 10 is the side view of Fig. 9.
Detailed description of the invention
With reference to the accompanying drawings the specific embodiment of the present invention is described.
With reference to Fig. 1-Figure 10.A kind of vacuum model producing line of sand grains reusable edible, comprise the framed mechanism 1 of casting, for inserting sand grains and the vacuo-forming mechanism 2 of both sides overlay film at sand grains in the framed mechanism 1 of casting, for pouring into the casting mechanism 3 of point molten metal to the framed mechanism 1 of the casting after overlay film, sand grains foundry goods separating mechanism 4, sand grains recovering mechanism 5, hang for the electric block device (not shown) of carrying the framed mechanism 1 of described casting and the row that coordinates this electric block device (not shown) to walk, the entrance of described sand grains recovering mechanism 5 is communicated in described sand grains foundry goods separating mechanism 4, and outlet is in described vacuo-forming mechanism 2,
The framed mechanism of described casting 1 comprises upper framed 10 and the low mold frame 11 that mutually pairing connects, described framed 10 and low mold frame 11 be provided with the unidirectional extraction valve that can be communicated in a vacuum device 6;
Described vacuo-forming mechanism 2 comprises the first moulding transfer car(buggy) assembly 20 and the second moulding transfer car(buggy) assembly 21 that left and right is arranged in juxtaposition, the top of described first moulding transfer car(buggy) assembly 20 and the second moulding transfer car(buggy) assembly 21 comprises overlay film station 22 from front to back successively, add sand jolt ramming station 23 and stripper station 24 after covering notacoria, described overlay film station 22 is provided with one and automatically gets film covering device 25, described adding on sand jolt ramming station 23, is provided with a sand adding device 26, described cover notacoria after stripper station 24 is provided with one and manually gets notacoria device 27 and and automatically open die device 28, described first moulding transfer car(buggy) assembly 20 comprises the first track, first moulding transfer car(buggy) body 200 and the first driving assembly driving this first moulding transfer car(buggy) body 200 to slide on the first track, described second moulding transfer car(buggy) assembly 21 comprises the second track, second moulding transfer car(buggy) body and the second driving assembly driving this second moulding transfer car(buggy) body to slide on the second track, the end face of described first moulding transfer car(buggy) body 200 is provided with the upper mould 201 suitable with the cast product first half, the end face of described second moulding transfer car(buggy) body is provided with the lower mould suitable with cast product Lower Half, a plurality of aspirating hole being communicated in described vacuum device 6 is all arranged on the surface of described upper mould 201 and lower mould,
When the first moulding transfer car(buggy) body 200 and the second moulding transfer car(buggy) body are positioned at described overlay film station 22, first plastic foil takes out and respectively by the surface of vacuum suction mould 201 and lower mould on described by described film covering device 25 of automatically getting, described framed 10 are covered on mould 201 on this by above-mentioned electric block device (not shown) correspondence, and described low mold frame 11 is covered on described lower mould by described electric block device (not shown) correspondence;
When adding sand jolt ramming station 23 described in the first moulding transfer car(buggy) body 200 and the second moulding transfer car(buggy) body are positioned at, described sand adding device 26 loads full sand grains respectively to being positioned at upper framed 10 below it and low mold frame 11;
When covering stripper station 24 after notacoria described in the first moulding transfer car(buggy) body 200 and the second moulding transfer car(buggy) body are positioned at, the top of user by pulling the second plastic foil manually got on notacoria device 27 also to cover described framed 10 and low mold frame 11 respectively, by vacuum device 6 to described framed 10 and the bleeding of low mold frame 11 inside, described sand grains to be just located between the first plastic foil and the second plastic foil thus the sand mo(u)ld formed for point molten metal casting; Describedly automatically open the below that die device 28 is positioned at described first moulding transfer car(buggy) body 200 and the second moulding transfer car(buggy) body, and for upwards described in jack-up upper framed 10 and low mold frame 11, make it depart from described upper mould 201 and lower mould;
Described casting mechanism 3 comprises one for described low mold frame 11 is turned over the flask overturning device 30 of turnback and a plurality of casting of metals workbench 31, after low mold frame 11 turns over turnback, this low mold frame 11 is transported to described casting of metals workbench 31 by described electric block device (not shown), and be transported to the top of this low mold frame 11 by described framed 10, thus complete the docking of framed 10 and low mold frame 11;
Described sand grains foundry goods separating mechanism 4 comprises the screen cloth that a sand grains accumulator tank and is covered on this sand grains accumulator tank notch place;
Described sand grains recovering mechanism 5 comprise be communicated with described sand grains accumulator tank the first conveying worm 50, be communicated in vibratory sieve 51 that this first conveying worm 50 exports, be communicated in this vibratory sieve 51 sieve after chain elevator 52, be communicated in sand grains cooling device 53 that this chain elevator 52 exports, be communicated in bucket elevator 54 that this sand grains cooling device 53 exports and be communicated in the second conveying worm 55 that this bucket elevator 54 exports; described sand adding device 26 is built-in with sand storage 260, and the outlet of described second conveying worm 55 is in described sand storage 260.
With reference to Fig. 1-Figure 10.Also comprise a dedusting mechanism 7, this dedusting mechanism 7 is respectively provided with a dust removal port in described vacuo-forming mechanism 2 and sand grains foundry goods separating mechanism 4.
With reference to Fig. 1-Figure 10.Described sand grains cooling device 53 comprises a plurality of air inlets 532 that complex root condenser pipe 531 in this cooling bed body 530 inside of a cooling bed body 530 arranged in long tubular, interlaced arrangement and interval are arranged in described cooling bed body 530 sidewall, described in complex root, condenser pipe 531 is communicated in a cooling water circulating device, and a plurality of described air inlet 532 is communicated in an air blast 533.
With reference to Fig. 1-Figure 10.Described first moulding transfer car(buggy) body 200 and the second moulding transfer car(buggy) body comprise platen 202, vehicle frame 203 and wheel 204 all from top to bottom, the top of described platen 202 is fixedly equiped with described upper mould 201 or lower mould, and the below of described platen 202 is fixedly equiped with a vibration pump 205.
With reference to Fig. 1-Figure 10.Described platen 202 is installed on described vehicle frame 203 by four air bags 206 being arranged in four diagonal position places below it.
Further, the described die device 28 that automatically opens comprises the cylinder be arranged at below described first track or the second track and the piston rod end being connected to this cylinder and the hoisting frame risen by this air cylinder driven, the upper end of this hoisting frame is provided with four contact parts being mutually diagonal angle and arranging, when hoisting frame rises, these four contact parts are just in time connected to the periphery of described framed 10 or low mold frame 11 and do not contact with described upper mould 201 or lower mould.
With reference to Fig. 1-Figure 10.Describedly manually get that notacoria device 27 comprises frame 270, the plastic foil core 271 be fixed in frame 270, to be installed in frame 270 and to be positioned at the cutter 272 at plastic foil core 271 rear rotationally, described cutter 272 stretches out with the tie point of described frame 270 and is connected to one for the handle 273 to its input torque.
With reference to Fig. 1-Figure 10.Described cutter 272 comprises electrical heating wire and two for supporting the cutter support 274 of electrical heating wire, described cutter support 274 one end is connected in described frame rotationally, the other end is for setting up described electrical heating wire, the middle part of described cutter support 274 is connected to one for producing the one end to the extension spring 275 of upper pulling force to it, and the other end of this extension spring 275 is fixed in described frame.
With reference to Fig. 1-Figure 10.Described film covering device 25 of automatically getting comprises and gets overlay film assembly 250 and cutting overlay film assembly 251, described overlay film assembly 250 of getting comprises frame, exhibition film platform 252 in this frame, be located at the film roll shaft 253 of exhibition film platform 252 side, for get cover film get film frame 254, be connected to the movable stand 256 that this is got the heater 255 above film frame 254 and controls this heater 255, described exhibition film platform 252 by the first driving mechanisms control knee-action with get film frame 254 and coordinate transmission film, described first driving mechanism is be located at the cylinder 257 bottom exhibition film platform 252 on four angles, described heater 255 is divided into left district, middle district, region, three, right district, three regions of heater 255 can be opened simultaneously, described getting on film frame 254 is connected with the second driving mechanism, can be controlled it and carry out film coating operation downwards, described film frame 254 of getting is hollow, rectangular frame lower surface being provided with vacuum film adsorption hole, described movable stand 256 is provided with guide wheel, described frame rear is provided with vertical plate, this vertical plate is provided with horizontal guide rail, described guide wheel coordinates with guide rail and drives movable stand 256 to move left and right, described cutting overlay film assembly 251 comprises the cutter 258 being connected to described exhibition film platform 252 sidepiece and the driving mechanism driving this cutter 258 knee-action, described cutter 258 comprises electrical heating wire and the cutter support for supporting electrical heating wire, and described driving mechanism is the cylinder 259 being located at both sides, cutter 258 bottom.
With reference to Fig. 1-Figure 10.Described sand adding device 26 comprises sand storage 260, add sand mouth 261 and add the sand door 262 of sand mouth 261 for closing, described sand door 262 is divided into the left sand door of arranging successively, medium sand door and right sand door three parts, described in three sand doors 262, medium sand door 262 is corresponding with small-sized framed shape size, each sand door 262 can switch separately, the hydraulic cylinder 263 that one can control its switch is respectively connected with on rear side of three sand doors 262, this hydraulic cylinder 263 is controlled by a controller, the sieve plate 264 being evenly equipped with sieve aperture is provided with below described sand door 262, these sieve plate 264 both sides are connected with the both sides of the edge adding sand mouth 261.
Compared to the prior art, the beneficial effect that the present invention produces is:
1, structure of the present invention is simple, practical; by arranging described sand grains recovering mechanism 5; after completing casting; can automatically sand grains be carried out collect by this sand grains recovering mechanism 5, removal of impurities, cooling and Hui Ku, whole sand grains removal process is all automatically completed by machine, saves the operation of artificial treatment completely; thus both a large amount of manpower and materials can be saved; greatly can improve again the utilization ratio of sand grains, shorten sand grains and reclaim sequential, enhance productivity.
2, in the present invention, by arranging a plurality of air inlet 532 at described cooling bed body 530 sidewall, air blast 533 can be blown the sand grains in cooling bed body 530 by this air inlet 532, sand grains is made to carry out spiral wriggling around condenser pipe 531, drastically increase the heat exchanger effectiveness of sand grains and condenser pipe 531, be conducive to the linking and the operation that realize automatic high-efficiency production line.
3, in the present invention, described exhibition film platform 252 moves up and down film near getting film frame 254, film is adsorbed by the vacuum film adsorption hole of getting on film frame 254, avoids and get film frame 254 and move up and down and carry out getting film, greatly reduce the possibility because mechanical oscillation make film drop.Can the absorption of film be completed smoothly and paste, thus improve the operating efficiency of whole vacuo-forming streamline.
4, in the present invention, user can control the independent switch of three sand doors 262, to regulate according to different framed sizes scope of shaking out.When use large-scale framed time, three sand doors 262 are opened simultaneously, shake out; When use small-sized framed time, only open medium sand door 262, shake out.Make sanding device be able to accurately sand to be added framed in, sand material is uniformly distributed.
With reference to Fig. 1-Figure 10.Manipulation process of the present invention comprises the following steps: a, vacuo-forming, b, casting cooling, c, taking-up foundry goods, and d, sand grains reclaim, and repeats a-d step until all cast products complete essence casting;
Wherein said step a comprises: a1, automatically get film covering device 25 and take off plastic foil from plastic foil core 271, cut off rear and respectively plastic foil covered on described upper mould 201 and lower mould, upper mould 201 and lower mould be adsorbed in completely under the air-extraction function of vacuum device 6 described on mould 201 and lower mould, electric block device (not shown) is transported to the top of upper mould 201 and lid connects and upper mould 201 by returning upper framed 10 on case roller-way, electric block device (not shown) the low mold frame 11 of going back on case roller-way is transported to the top of lower mould and lid connects and lower mould, a2, first moulding transfer car(buggy) body 200 and the second moulding transfer car(buggy) body drive respectively framed 10 and low mold frame 11 enter and add in sand jolt ramming station 23, first moulding transfer car(buggy) body 200 and the second moulding transfer car(buggy) body upwards rise and upper framed 10 and low mold frame 11 are blocked sand storage 260 add sand mouth 261 position, sand door 262 is opened, sand grains is loaded in upper framed 10 and low mold frame 11, and the first moulding transfer car(buggy) body 200 and the second moulding transfer car(buggy) body starting shock pump 205, thus complete and vibrations are carried out to upper framed 10 and low mold frame 11 add sand, after sand grains is filled it up with, origin-location falls back in the first moulding transfer car(buggy) body 200 and the second moulding transfer car(buggy) body, a3, the first moulding transfer car(buggy) body 200 and the second moulding transfer car(buggy) body drive respectively framed 10 and low mold frame 11 enter and cover skinning station after notacoria, user takes off plastic foil with hand from plastic foil core 271, utilize the top of manually getting and also covering described framed 10 and low mold frame 11 after notacoria device 27 pairs of plastic foils carry out cutting respectively, upper framed 10 and low mold frame 11 at the air-extraction function of vacuum device 6, inner air is fully degassed, and sand grains is just located between two layers of plastic film thus forms the sand mo(u)ld for point molten metal casting, under a4, automatically Qi Mo mechanism cylinder 257 promotion within it, by upper framed 10 and low mold frame 11 upwards jack-up, the draw of electronic hoist device (not shown) in cooperation, described framed 10 and low mold frame 11 depart from described upper mould 201 and lower mould completely, first moulding transfer car(buggy) body 200 and the second moulding transfer car(buggy) body drive mould 201 and lower mould to get back to overlay film station 22 respectively afterwards, repeat a1-a4 step,
Wherein said step b comprises: low mold frame 11 is transported on flask overturning device 30 by b1, electric block device (not shown), and revolve turnback, and then low mold frame 11 is transported to described casting of metals workbench 31, and be transported to the top of this low mold frame 11 by described framed 10, thus complete the docking of framed 10 and low mold frame 11; B2, by pouring into point molten metal on upper framed 10 and the reserved casting gate of low mold frame 11, carry out cast molding; Leave standstill cooling after b3, casting until point molten metal solidifies, in described step b upper framed 10 and low mold frame 11 be in vacuum suction state always;
Wherein said step c comprises: upper framed 10 and low mold frame 11 are transported on screen cloth by c1, electric block device (not shown), disconnect vacuum suction, and remove notacoria, sand grains and cast product just slowly flow out by upper framed 10 and low mold frame 11 simultaneously; C2, sand grains flow in sand grains accumulator tank through screen cloth, and cast product is isolated in above screen cloth; Upper framed 10 and low mold frame 11 are transported to back on case roller-way by c3, electric block device (not shown).
Wherein said steps d comprises: the sand grains in sand grains accumulator tank is transported on vibratory sieve 51 by d1, the first conveying worm 50, removing large granular impurity; Sand grains after d2, removal of impurities is transported in sand grains cooling device 53 by chain elevator 52 and cools; D3, cooled sand grains are transported on the second conveying worm 55 by bucket elevator 54, and send into sand storage 260 by this second conveying worm 55, thus realize recycling.
Above are only the specific embodiment of the present invention, but design concept of the present invention is not limited thereto, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should belong to the behavior of invading scope.

Claims (10)

1. the vacuum model producing line of a sand grains reusable edible, it is characterized in that: comprise the framed mechanism of casting, for inserting sand grains and the vacuo-forming mechanism of both sides overlay film at sand grains in the framed mechanism of casting, for the casting mechanism to the framed mechanism of the casting after overlay film perfusion point molten metal, sand grains foundry goods separating mechanism, sand grains recovering mechanism, hang for the electric block device of carrying the framed mechanism of described casting and the row that coordinates this electric block device to walk, the entrance of described sand grains recovering mechanism is communicated in described sand grains foundry goods separating mechanism, and outlet is in described vacuo-forming mechanism,
The framed mechanism of described casting comprises the upper framed and low mold frame that mutually pairing connects, and described framed and low mold frame is provided with the unidirectional extraction valve that can be communicated in a vacuum device;
The the first moulding transfer car(buggy) assembly be arranged in juxtaposition about described vacuo-forming mechanism comprises and the second moulding transfer car(buggy) assembly, the top of described first moulding transfer car(buggy) assembly and the second moulding transfer car(buggy) assembly comprises overlay film station from front to back successively, add sand jolt ramming station and stripper station after covering notacoria, described overlay film station is provided with one and automatically gets film covering device, described adding on sand jolt ramming station, is provided with a sand adding device, described cover notacoria after stripper station is provided with one and manually gets notacoria device and and automatically open die device, described first moulding transfer car(buggy) assembly comprises the first track, first moulding transfer car(buggy) body and the first driving assembly driving this first moulding transfer car(buggy) body to slide on the first track, described second moulding transfer car(buggy) assembly comprises the second track, second moulding transfer car(buggy) body and the second driving assembly driving this second moulding transfer car(buggy) body to slide on the second track, the end face of described first moulding transfer car(buggy) body is provided with the upper mould suitable with the cast product first half, the end face of described second moulding transfer car(buggy) body is provided with the lower mould suitable with cast product Lower Half, a plurality of aspirating hole being communicated in described vacuum device is all arranged on the surface of described upper mould and lower mould,
When the first moulding transfer car(buggy) body and the second moulding transfer car(buggy) body are positioned at described overlay film station, first plastic foil takes out and respectively by the surface of vacuum suction mould and lower mould on described by described film covering device of automatically getting, describedly framedly be covered on mould on this by above-mentioned electric block device correspondence, described low mold frame is covered on described lower mould by described electric block device correspondence;
When adding sand jolt ramming station described in the first moulding transfer car(buggy) body and the second moulding transfer car(buggy) body are positioned at, described sand adding device loads full sand grains respectively to the upper framed and low mold frame be positioned at below it;
When covering stripper station after notacoria described in the first moulding transfer car(buggy) body and the second moulding transfer car(buggy) body are positioned at, user manually gets the second plastic foil on notacoria device and the top covering described framed and low mold frame respectively by pulling, by vacuum device to described framed and inner the bleeding of low mold frame, described sand grains to be just located between the first plastic foil and the second plastic foil thus to form the sand mo(u)ld for point molten metal casting; Describedly automatically open the below that die device is positioned at described first moulding transfer car(buggy) body and the second moulding transfer car(buggy) body, and for upwards upper framed and low mold frame described in jack-up, make it depart from described upper mould and lower mould;
Described casting mechanism comprises one for described low mold frame being turned over the flask overturning device of turnback and a plurality of casting of metals workbench, when after low mold frame upset 180 degree, this low mold frame is transported to described casting of metals workbench by described electric block device, and by the described framed top being transported to this low mold frame, thus complete framed and docking that is low mold frame;
Described sand grains foundry goods separating mechanism comprises the screen cloth that a sand grains accumulator tank and is covered on this sand grains accumulator tank notch place;
Described sand grains recovering mechanism comprise be communicated with described sand grains accumulator tank the first conveying worm, be communicated in vibratory sieve that this first conveying worm exports, be communicated in this Vibration Screen after chain elevator, be communicated in sand grains cooling device that this chain elevator exports, be communicated in bucket elevator that this sand grains cooling device exports and be communicated in the second conveying worm that this bucket elevator exports; described sand adding device is built-in with sand storage, and the outlet of described second conveying worm is in described sand storage.
2. the vacuum model producing line of a kind of sand grains reusable edible as claimed in claim 1, it is characterized in that: also comprise a dedusting mechanism, this dedusting mechanism is respectively provided with a dust removal port in described vacuo-forming mechanism and sand grains foundry goods separating mechanism.
3. the vacuum model producing line of a kind of sand grains reusable edible as claimed in claim 2, it is characterized in that: described sand grains cooling device comprises a plurality of air inlets that complex root condenser pipe in this cooling bed body inside of a cooling bed body arranged in long tubular, interlaced arrangement and interval are arranged in described cooling bed body sidewall, condenser pipe described in complex root is communicated in a cooling water circulating device, and a plurality of described air inlet is communicated in an air blast.
4. the vacuum model producing line of a kind of sand grains reusable edible as claimed in claim 3, it is characterized in that: described first moulding transfer car(buggy) body and the second moulding transfer car(buggy) body comprise platen, vehicle frame and wheel all from top to bottom, the top of described platen is fixedly equiped with described upper mould or lower mould, and the below of described platen is fixedly equiped with a vibration pump.
5. the vacuum model producing line of a kind of sand grains reusable edible as claimed in claim 4, is characterized in that: described platen is installed on described vehicle frame by four air bags being arranged in four diagonal position places below it.
6. the vacuum model producing line of a kind of sand grains reusable edible as claimed in claim 5, it is characterized in that: the described die device that automatically opens comprises the cylinder be arranged at below described first track or the second track and the piston rod end being connected to this cylinder and the hoisting frame risen by this air cylinder driven, the upper end of this hoisting frame is provided with four contact parts being mutually diagonal angle and arranging, when hoisting frame rises, these four contact parts are just in time connected to the periphery of described framed or low mold frame and do not contact with described upper mould or lower mould.
7. the vacuum model producing line of a kind of sand grains reusable edible as claimed in claim 6, it is characterized in that: describedly manually get that notacoria device comprises frame, the plastic foil core be fixed in frame, to be installed in frame and to be positioned at the cutter at plastic foil core rear rotationally, the tie point of described cutter and described frame stretches out and is connected to one for the handle to its input torque.
8. the vacuum model producing line of a kind of sand grains reusable edible as claimed in claim 7, it is characterized in that: described cutter comprises electrical heating wire and two for supporting the cutter support of electrical heating wire, described cutter support one end is connected in described frame rotationally, the other end is for setting up described electrical heating wire, the middle part of described cutter support is connected to one for producing the one end to the extension spring of upper pulling force to it, and the other end of this extension spring is fixed in described frame.
9. the vacuum model producing line of a kind of sand grains reusable edible as claimed in claim 8, it is characterized in that: described film covering device of automatically getting comprises and gets overlay film assembly and cutting overlay film assembly, described overlay film assembly of getting comprises frame, exhibition film platform in this frame, be located at the film roll shaft of exhibition film platform side, for get cover film get film frame, be connected to the movable stand that this is got the heater above film frame and controls this heater, described exhibition film platform by the first driving mechanisms control knee-action with get film frame and coordinate and transmit film, described first driving mechanism is be located at the cylinder on exhibition film mesa base four angles, described heater is divided into left district, middle district, region, three, right district, three regions of heater can be opened simultaneously, described getting on film frame is connected with the second driving mechanism, can be controlled it and carry out film coating operation downwards, described film frame of getting is hollow, rectangular frame lower surface being provided with vacuum film adsorption hole, described movable stand is provided with guide wheel, described frame rear is provided with vertical plate, this vertical plate is provided with horizontal guide rail, described guide wheel coordinates with guide rail and drives movable stand to move left and right, described cutting overlay film assembly comprises the cutter being connected to described exhibition film platform sides and the driving mechanism driving this cutter knee-action, described cutter comprises electrical heating wire and the cutter support for supporting electrical heating wire, and described driving mechanism is the cylinder being located at both sides, cutter bottom.
10. the vacuum model producing line of a kind of sand grains reusable edible as claimed in claim 9, it is characterized in that: described sand adding device comprises sand storage, add sand mouth and add the sand door of sand mouth for closing, described sand door is divided into the left sand door of arranging successively, medium sand door and right sand door three parts, described in three sand doors, medium sand door is corresponding with small-sized framed shape size, each sand door can switch separately, three sand are respectively connected with the hydraulic cylinder that can control its switch in side behind the door, this hydraulic cylinder is controlled by a controller, the sieve plate being evenly equipped with sieve aperture is provided with below described sand door, these sieve plate both sides are connected with the both sides of the edge adding sand mouth.
CN201410845546.7A 2014-12-31 2014-12-31 Vacuum-forming production line capable of recycling sand Active CN104475678B (en)

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CN106111901A (en) * 2016-06-21 2016-11-16 浙江华威门业有限公司 A kind of four station mobile cart type V method moulding lines
CN108513845A (en) * 2018-03-21 2018-09-11 甘肃农业大学 A kind of oscillatory type earth and rock separation coverer
CN108568494A (en) * 2018-05-16 2018-09-25 江苏群达机械科技有限公司 A kind of V methods foundry production line
CN108838344A (en) * 2018-07-16 2018-11-20 青岛恒林机械有限公司 A kind of environmental protection and energy saving V method moulding line
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CN109570455A (en) * 2018-12-25 2019-04-05 航天海鹰(哈尔滨)钛业有限公司 A kind of punch-out equipment for sand casting

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