CN110538964A - operation method of casting sand recovery and impurity removal facility - Google Patents
operation method of casting sand recovery and impurity removal facility Download PDFInfo
- Publication number
- CN110538964A CN110538964A CN201810532869.9A CN201810532869A CN110538964A CN 110538964 A CN110538964 A CN 110538964A CN 201810532869 A CN201810532869 A CN 201810532869A CN 110538964 A CN110538964 A CN 110538964A
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- CN
- China
- Prior art keywords
- sand
- storage tank
- air
- casting
- reamer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/0422—Devices having a fixed receptable with rotating tools, some or all of these tools being rolls or balls loosely mounted on their axis or loose balls in contact with the side wall or the bottom of the receptacle, e.g. with aerating means; "Devices of the Muller type"
- B22C5/0427—Devices having a fixed receptable with rotating tools, some or all of these tools being rolls or balls loosely mounted on their axis or loose balls in contact with the side wall or the bottom of the receptacle, e.g. with aerating means; "Devices of the Muller type" having only one vertical tool-driving shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/0472—Parts; Accessories; Controlling; Feeding; Discharging; Proportioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/06—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sieving or magnetic separating
Abstract
the invention relates to an operation method of a casting sand recycling and impurity removing facility, which belongs to the technical field of casting facilities, and is characterized in that an air suction pipeline is arranged at the top of a cylindrical sand storage tank, the air suction pipeline is connected with a centrifugal fan, a sand inlet is arranged at the top end of the side surface of the sand storage tank, a screening box is arranged outside the sand inlet, a rotary joint is arranged at the upper end of the screening box, a sand suction pipe extends outwards from the rotary joint, a steel wire hose is arranged at the front end of the sand suction pipe, a pneumatic reamer is arranged at the front end of the steel wire hose, when the centrifugal fan is started, the fan sucks air in the sand storage tank to form negative pressure, the sand storage tank sucks air and casting sand into the sand storage tank through the screening box, the sand suction pipe and the pneumatic reamer, and in the process, air flow can blow blades of the pneumatic reamer to rotate rapidly, and force the blades to drive a central shaft of the pneumatic reamer to rotate rapidly so.
Description
Technical Field
The invention discloses an operation method of a casting sand recycling and impurity removing facility, belongs to the technical field of casting facilities, and particularly relates to a method for recycling casting sand of a sand box for reuse after casting of a casting mold is completed.
Background
After the casting of the casting mold is finished, most of the existing casting enterprises lift the mold in the sand box out, pour the casting sand in the sand box out, screen the casting sand, and then fill the casting sand into a sand storage tank for later use, and in the process, the sand box needs to be hoisted, screened, filled, recovered and other multiple processes, which wastes labor and time and increases the cost. Therefore, a facility for recovering and screening the casting sand directly from the sand box after the casting mold is cooled after casting is finished is needed.
Disclosure of Invention
the casting sand recycling and impurity removing facility overcomes the defects, and is characterized in that an air suction pipeline is arranged at the top of a cylindrical sand storage tank, the air suction pipeline is connected with a centrifugal fan, a sand inlet is formed in the top end of the side surface of the sand storage tank, a screening box is arranged outside the sand inlet, a rotary joint is arranged at the upper end of the screening box, a sand suction pipe extends outwards from the rotary joint, a steel wire hose is arranged at the front end of the sand suction pipe, a pneumatic reamer is arranged at the front end of the steel wire hose, when the centrifugal fan is started, the fan sucks air in the sand storage tank to form negative pressure, the sand storage tank sucks air and casting sand into the sand storage tank through the screening box, the sand suction pipe and the pneumatic reamer, the blades of the pneumatic reamer are blown by airflow to rotate rapidly in the process, and the blades drive the central shaft of the pneumatic reamer to rotate rapidly to stir the casting sand and then suck the casting sand into the sand suction.
Casting sand recycling and impurity removing facilities: the device is characterized by comprising a support 1, a sand storage tank 2, a bottom valve 3, a screening box 4, a baffle 5, an air draft pipeline 6, a centrifugal fan 7, a high-speed motor 8, a dust removal bag 9, a rotary joint 10, a sand draft pipe 11, a steel wire hose 12, a pneumatic reamer 13, a sand outlet 14, a sieve sheet 15 and pneumatic reamer blades 16;
the sand storage tank is composed of three parts, the upper part and the lower part of the sand storage tank are conical, the middle part of the sand storage tank is cylindrical, three cylindrical supports are vertically arranged at the bottom edge of the cylindrical sand storage tank, a disc-shaped bottom valve is arranged at the top end of the bottom of the sand storage tank, the top end of the sand storage tank is connected with an inlet of a C-shaped air draft pipeline, a rectangular opening is arranged at the upper part of the side surface of the sand storage tank, and the opening is connected with;
the screening box is in a cuboid shape, a rectangular sand outlet is formed in the upper portion of the left side face, a rectangular baffle is formed in the bottom of the screening box, the upper portion of the right side face is connected with the lower side face of the cylindrical rotary joint, the middle of the connecting portion of the right side face is communicated with the middle of the connecting portion of the cylindrical rotary joint, and a rectangular screening sheet is arranged inside the screening box;
The sand pumping pipe is hollow and cylindrical, the left side of the sand pumping pipe is connected with the upper side surface of a rotary joint connected with the screening box, the middle of the connecting part of the sand pumping pipe is communicated with the middle of the rotary joint, the right side of the sand pumping pipe is connected with the upper side surface of the rotary joint, the middle of the connecting part of the sand pumping pipe is communicated with the middle of the rotary joint, the lower side surface of the rotary joint is provided with the sand pumping pipe, and the front end of the sand;
the steel wire hose is hollow and cylindrical, and the lower part of the steel wire hose is connected with the upper part of the pneumatic reamer;
The pneumatic reamer is cylindrical, a cylindrical reamer middle shaft is arranged in the pneumatic reamer through a support, propeller-shaped pneumatic reamer blades are arranged in the middle of the middle shaft, and a cross-shaped hinge frame is arranged at the front end of the middle shaft;
the centrifugal fan is discoid, and the air intake on the left side is connected with the air outlet below the suction line, and the air outlet of side is connected with rectangular dust bag, and the axis that the right has set up columniform high-speed motor, motor is connected with the central authorities of the inside discoid centrifugal fan of centrifugal fan.
Has the advantages that: when the casting sand is recycled by the existing casting enterprises, a plurality of procedures such as sand box hoisting, screening treatment, filling recycling and the like are needed, so that the labor and the time are wasted, and the cost is increased. An operation method of a casting sand recycling and impurity removing facility comprises the steps that an air suction pipeline is installed at the top of a cylindrical sand storage tank, the air suction pipeline is connected with a centrifugal fan, a sand inlet is formed in the top end of the side face of the sand storage tank, a screening box is arranged outside the sand inlet, a rotary joint is arranged at the upper end of the screening box, a sand suction pipe extends outwards from the rotary joint, a steel wire hose is installed at the front end of the sand suction pipe, a pneumatic reamer is arranged at the front end of the steel wire hose, when the centrifugal fan is started, the fan sucks air in the sand storage tank to form negative pressure, the sand storage tank sucks air and casting sand into the sand storage tank through the screening box, the sand suction pipe and the pneumatic reamer, air flow can blow blades of the pneumatic reamer to rotate rapidly in the process, and the blades drive a middle shaft of the pneumatic reamer to rotate rapidly to stir the casting sand, and then the casting sand is sucked into.
drawings
FIG. 1 is a front view of a foundry sand reclamation and impurity removal facility;
FIG. 2 is a schematic view of the structure of the screening box;
Fig. 3 is a schematic structural view of the pneumatic reamer.
Detailed Description
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings:
casting sand recycling and impurity removing facilities: the device comprises a bracket, a sand storage tank, a bottom valve, a screening box, a baffle, an air draft pipeline, a centrifugal fan, a high-speed motor, a dust removal bag, a rotary joint, a sand draft pipe, a steel wire hose, a pneumatic reamer, a sand outlet, a sieve plate and a pneumatic reamer blade;
The sand storage tank is composed of three parts, the upper part and the lower part of the sand storage tank are conical, the middle part of the sand storage tank is cylindrical, three cylindrical supports are vertically arranged at the bottom edge of the cylindrical sand storage tank, a disc-shaped bottom valve is arranged at the top end of the bottom of the sand storage tank, the top end of the sand storage tank is connected with an inlet of a C-shaped air draft pipeline, a rectangular opening is arranged at the upper part of the side surface of the sand storage tank, and the opening is connected with;
The screening box is in a cuboid shape, a rectangular sand outlet is formed in the upper portion of the left side face, a rectangular baffle is formed in the bottom of the screening box, the upper portion of the right side face is connected with the lower side face of the cylindrical rotary joint, the middle of the connecting portion of the right side face is communicated with the middle of the connecting portion of the cylindrical rotary joint, and a rectangular screening sheet is arranged inside the screening box;
The sand pumping pipe is hollow and cylindrical, the left side of the sand pumping pipe is connected with the upper side surface of a rotary joint connected with the screening box, the middle of the connecting part of the sand pumping pipe is communicated with the middle of the rotary joint, the right side of the sand pumping pipe is connected with the upper side surface of the rotary joint, the middle of the connecting part of the sand pumping pipe is communicated with the middle of the rotary joint, the lower side surface of the rotary joint is provided with the sand pumping pipe, and the front end of the sand;
The steel wire hose is hollow and cylindrical, and the lower part of the steel wire hose is connected with the upper part of the pneumatic reamer;
the pneumatic reamer is cylindrical, a cylindrical reamer middle shaft is arranged in the pneumatic reamer through a support, propeller-shaped pneumatic reamer blades are arranged in the middle of the middle shaft, and a cross-shaped hinge frame is arranged at the front end of the middle shaft;
The centrifugal fan is discoid, and the air intake on the left side is connected with the air outlet below the suction line, and the air outlet of side is connected with rectangular dust bag, and the axis that the right has set up columniform high-speed motor, motor is connected with the central authorities of the inside discoid centrifugal fan of centrifugal fan.
according to the operation method of the casting sand recycling and impurity removing facility, when in use, a worker firstly confirms that a casting mold which is cast in a sand box is naturally cooled to normal temperature, a bottom valve of a sand storage tank is closed, a power supply of a fan is connected, a centrifugal fan is started, a high-speed motor drives the centrifugal fan to rotate at high speed to generate centrifugal force to forcibly pump air in the fan to form negative pressure, the fan pumps the air in the sand storage tank through an air pumping pipeline to form negative pressure in the sand storage tank, the sand storage tank sucks air into a sand pumping pipe through a sand inlet, a sieve plate, a rotary joint, a sand pumping pipe and the interior of a pneumatic reamer, air flow passing through the interior of the pneumatic reamer in the process can blow propeller type blades of the pneumatic reamer to force the blades to drive a middle shaft of the pneumatic reamer to rotate rapidly, and at the moment, the worker drags a steel wire hose to slowly insert the front end of the pneumatic reamer into the edge, The hinge frame at the front end of the reamer stirs up the casting sand, the air is sucked into the pneumatic reamer together with the casting sand, the casting sand enters the sand storage tank through the steel wire hose, the sand pumping pipe, the rotary joint, the screening box, the screen plate and the sand outlet, the running speed of the casting sand is slowed down after the casting sand enters the sand storage tank due to the large space of the sand storage tank, the casting sand falls into the tank bottom under the action of gravity, the air is sucked into the centrifugal fan through the air suction pipeline at the top of the sand storage tank, the air is pressed into the dust removal bag from the air outlet after being pressurized by the centrifugal fan, the pressurized air flows through the dust removal bag to be scattered all around, and the dust entering the dust removal bag along, and (3) closing the centrifugal fan after the casting sand in the sand box is cleaned, wherein the sucked iron oxide and polystyrene waste residues on the sieve sheet in the screening box lose suction force and fall into the bottom of the screening box, and a worker opens the baffle plate to discharge the waste residues and then close the waste residues to wait for the next operation.
Claims (1)
1. an operation method of a casting sand recycling and impurity removing facility is characterized in that when in use, a worker firstly confirms that a casting mold which is cast in a sand box is naturally cooled to normal temperature, a bottom valve of a sand storage tank is closed, a power supply of a fan is connected, a centrifugal fan is started, a high-speed motor drives the centrifugal fan to rotate at high speed to generate centrifugal force to forcibly pump air in the fan to form negative pressure, the fan pumps the air in the sand storage tank through an air pumping pipeline to form negative pressure in the sand storage tank, the sand storage tank sucks the air into a sand pumping pipe through a sand inlet, a sieve plate, a rotary joint, a sand pumping pipe and a pneumatic reamer of a screening box, the air flow passing through the pneumatic reamer can blow propeller type blades of the pneumatic reamer in the process to force the blades to drive a middle shaft of the pneumatic reamer to rotate rapidly, and then the worker drags a steel wire hose to slowly insert the front end of the pneumatic reamer into the edge, The hinge frame at the front end of the reamer stirs up the casting sand, the air is sucked into the pneumatic reamer together with the casting sand, the casting sand enters the sand storage tank through the steel wire hose, the sand pumping pipe, the rotary joint, the screening box, the screen plate and the sand outlet, the running speed of the casting sand is slowed down after the casting sand enters the sand storage tank due to the large space of the sand storage tank, the casting sand falls into the tank bottom under the action of gravity, the air is sucked into the centrifugal fan through the air suction pipeline at the top of the sand storage tank, the air is pressed into the dust removal bag from the air outlet after being pressurized by the centrifugal fan, the pressurized air flows through the dust removal bag to be scattered all around, and the dust entering the dust removal bag along, and (3) closing the centrifugal fan after the casting sand in the sand box is cleaned, wherein the sucked iron oxide and polystyrene waste residues on the sieve sheet in the screening box lose suction force and fall into the bottom of the screening box, and a worker opens the baffle plate to discharge the waste residues and then close the waste residues to wait for the next operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810532869.9A CN110538964A (en) | 2018-05-29 | 2018-05-29 | operation method of casting sand recovery and impurity removal facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810532869.9A CN110538964A (en) | 2018-05-29 | 2018-05-29 | operation method of casting sand recovery and impurity removal facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110538964A true CN110538964A (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810532869.9A Pending CN110538964A (en) | 2018-05-29 | 2018-05-29 | operation method of casting sand recovery and impurity removal facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110538964A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673053A (en) * | 2020-06-20 | 2020-09-18 | 东风精密铸造有限公司 | Precision casting integrated form floats sand equipment |
-
2018
- 2018-05-29 CN CN201810532869.9A patent/CN110538964A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673053A (en) * | 2020-06-20 | 2020-09-18 | 东风精密铸造有限公司 | Precision casting integrated form floats sand equipment |
| CN111673053B (en) * | 2020-06-20 | 2021-12-31 | 东风精密铸造有限公司 | Precision casting integrated form floats sand equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191206 |