CN103658514A

CN103658514A - Vacuum casting sand processing system

Info

Publication number: CN103658514A
Application number: CN201310724644.0A
Authority: CN
Inventors: 叶志能; 蔡开柱
Original assignee: SICHUAN DONGTAI CASTING INDUSTRY Co Ltd
Current assignee: SICHUAN DONGTAI CASTING INDUSTRY Co Ltd
Priority date: 2013-12-25
Filing date: 2013-12-25
Publication date: 2014-03-26

Abstract

The invention discloses a vacuum casting sand processing system, which comprises a sand feeding machine, a dust-removing and cooling mechanism, and sand hoppers which are connected in sequence, wherein the sand feeding machine comprises a sand feeding mouth, a sand storage hopper and a quantitative spiral; electromagnetic switch valves are mounted on the sand storage hopper and the sand hoppers; the sand hoppers are further mounted with material sensors; the electromagnetic switch valves, the material sensors and the quantitative spiral are all connected with a PLC controller provided with a frequency converter. According to the vacuum casting sand processing system, the processes of sand feeding and sand adding are automatically controlled, casting sand spills to the ground as excessive sand is piled up at the quantitative spiral is completely avoided, and excessive storage of casting sand in the sand hoppers is also avoided.

Description

V method casting model powder treatment system

Technical field

The invention belongs to V method casting technology field, particularly relate to a kind of V method casting model powder treatment system.

Background technology

At present, the sand preparing system that the casting of V method adopts is all generally by sending the quantitative spiral of sand machine molding sand to be delivered to sand hopper after dedusting cooling body cooling and dedusting, then casting mold moulding.Due to sand preparing system send sand amount constant, cause quantitative spiral to start frequent, often occur that quantitative spiral place molding sand piles up excessive releasing to the situation on ground and occur, and sand hopper Sand stores excessive situation and occurs.For fear of the generation of this situation, be all generally to adopt the mode of special messenger's operation until to add sand complete.Therefore, causing cost of labor higher, greatly, easily there is maloperation in labor strength.

Summary of the invention

Object of the present invention is just to provide a kind of V method casting model powder treatment system, has realized and has sent sand, added sand automatic process control system, thereby solved the problem that above-mentioned prior art exists completely.

Object of the present invention realizes by following technical proposals:

A kind of V method casting model powder treatment system, comprise successively connect send sand machine, dedusting cooling body and sand hopper, send sand machine to comprise husky mouthful of note, sand storage bin and quantitative spiral, on sand storage bin and sand hopper, electromagnetic switch valve is installed, material inductor is also installed on sand hopper, and electromagnetic switch valve, material inductor and quantitative spiral are all connected with the PLC controller with frequency converter.

As preferably, upper limit material inductor and lower limit material inductor are installed on sand hopper, thereby can be controlled the upper and lower limit storage sand amount of sand hopper.

As preferably, on the husky mouth of note, be provided with filter sand lid, this filter sand lid has bar shaped filter sand hole.This filter sand lid can avoid bulk impurity to enter quantitative spiral bulk impurity filtering in molding sand, stuck quantitative spiral, or even cause quantitative spiral fault to damage.

As preferably, described dedusting cooling body comprises dust separator and cold bed.

As preferably, connect successively quantitative spiral, the first elevator, the first dust separator, the first cold bed, the second elevator, the second dust separator, the second cold bed, the 3rd elevator and sand hopper.

This structure can be carried out multistage dedusting, multistage cooling to molding sand, thus the dust impurity as far as possible in many removal molding sand, and molding sand is cooled to the temperature of requirement.

As preferably, described sand hopper has four, and four sand hopper tops are leaked husky mouthful by pipeline connection, and blower fan is installed in pipeline end, and corresponding each sand hopper is provided with the dust collection pipeline being connected with pipeline.

This structure can further be carried out dedusting to molding sand again, guarantees the degree of purity of molding sand.

Compared with prior art, beneficial effect of the present invention is:

1. realized and sent sand, added sand automatic process control system, avoid quantitative spiral place molding sand to pile up excessive releasing to the situation on ground completely and occur, and sand hopper Sand has stored excessive situation generation.

2. multistage dedusting, removes the various impurity in molding sand completely, guarantees that molding sand meets the requirements of degree of purity.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Fig. 2 is the structural representation of filter sand lid;

Fig. 3 is the connection diagram of four sand hoppers.

The specific embodiment

Below in conjunction with specific embodiments and the drawings, the present invention is further illustrated.

As shown in Figure 1, a kind of V method casting model powder treatment system, comprise the sand machine that send, send sand machine to comprise husky mouthful 1 of note, sand storage bin 2 and quantitatively spiral 3, connect successively quantitative spiral 3, vibratory sieve 4, the first elevator 5, the first dust separator 6, the first cold bed 7, the second elevator 8, the second dust separator 9, the second cold bed 10, the 3rd elevator 11 and sand hopper 12, on sand storage bin 2 and sand hopper 12, electromagnetic switch valve 13 is installed, upper limit material inductor 14 and lower limit material inductor 15 are also installed on sand hopper 12, electromagnetic switch valve 13, upper limit material inductor 14, lower limit material inductor 15 is all connected with the PLC controller 17 with frequency converter 16 with quantitative spiral 3.

Referring to Fig. 2, on the husky mouth 1 of note, be provided with filter sand lid 18, this filter sand lid 18 has bar shaped filter sand hole 19.

Referring to Fig. 3, described sand hopper 12 has four, and four sand hopper 12 tops are leaked husky mouthful and are communicated with by pipeline 20, and blower fan 21 is installed in pipeline 20 ends, and corresponding each sand hopper 12 is provided with the dust collection pipeline 22 being connected with pipeline 20.By blower fan 21, to air-supply in pipeline 20, realize floating and send sand, and dust in molding sand is floated by dust collection pipeline 22 siphon away outside discharge system.

When work, the molding sand memory space that upper limit material inductor 14 and lower limit material inductor 15 are surveyed in sand hopper 12, PLC controller 17 controls electromagnetic switch valve 13 and opens or cut out, the quantitative spiral 3 of corresponding control starts or stops simultaneously, make the memory space in sand hopper 12, whereabouts amount and the quantitatively treating capacity phase coadaptation of spiral 3 of sand storage bin 2 Sands, thereby avoid quantitative spiral 3 place's molding sand to pile up excessive releasing to the situation on ground completely, occur, and sand hopper 12 Sands store excessive situation generation.

The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.

Claims

1. a V method casting model powder treatment system, comprise successively connect send sand machine, dedusting cooling body and sand hopper, send sand machine to comprise husky mouthful of note, sand storage bin and quantitative spiral, it is characterized in that: on sand storage bin and sand hopper, electromagnetic switch valve is installed, material inductor is also installed on sand hopper, and electromagnetic switch valve, material inductor and quantitative spiral are all connected with the PLC controller with frequency converter.

2. V method casting model powder treatment system according to claim 1, is characterized in that: upper limit material inductor and lower limit material inductor are installed on sand hopper.

3. V method casting model powder treatment system according to claim 1, is characterized in that: on the husky mouth of note, be provided with filter sand lid, this filter sand lid has bar shaped filter sand hole.

4. V method casting model powder treatment system according to claim 1, is characterized in that: described dedusting cooling body comprises dust separator and cold bed.

5. V method casting model powder treatment system according to claim 4, is characterized in that: connect successively quantitative spiral, the first elevator, the first dust separator, the first cold bed, the second elevator, the second dust separator, the second cold bed, the 3rd elevator and sand hopper.

6. V method casting model powder treatment system according to claim 5, is characterized in that: described sand hopper has four, and four sand hopper tops are leaked husky mouthful by pipeline connection, and blower fan is installed in pipeline end, and corresponding each sand hopper is provided with the dust collection pipeline being connected with pipeline.