CN218692236U - Cleaning device for residual casting sand on surface of large casting mold - Google Patents

Abstract

The utility model discloses large-scale casting mould surface remains casting sand cleaning device belongs to mould processing facility field, the cylindrical iron core of the inside the sleeve pipe installation on the left side, triangle-shaped pick shovel has been installed on the left side of iron core, spiral return spring has been installed on the inside the sleeve pipe the right, return spring's the left side is connected with the right of iron core, the cylindric coil casing of cavity has been installed to the higher authority at sleeve pipe middle part, coil casing's internally mounted spiral solenoid, the oral character shape handle has been installed on sheathed tube right top, the internally mounted rectangle switch of handle, switch is connected with pulse power supply and solenoid through the power cord respectively, the magnetic field that produces when solenoid circular telegram adsorbs the iron core right, the magnetic field disappears when solenoid cuts off the power supply, return spring releases the iron core left, solenoid and return spring mutually support the quick reciprocating motion of control iron core and drive pick shovel and strike casting sand fast repeatedly and make it drop.

Description

Cleaning device for residual casting sand on surface of large casting mold

Technical Field

The utility model discloses large-scale casting mould surface remains casting sand cleaning device belongs to mould processing facility field, in particular to device through solenoid and return spring control iron core reciprocating motion.

Background

The casting sand cleaning device is used for cleaning a tool attached with casting sand on the surface of the casting mould. The mould usually need be used for stabilizing casting sand and preventing to collapse at the surface spraying pottery insulating layer of disappearance mould when casting, nevertheless because the metal solution temperature is too high, can heat the pottery insulating layer to half melting state and metal solution intermix occasionally, because pottery insulating layer and casting sand direct contact, the pottery insulating layer melts the back the inside can mix with casting sand and the mutual adhesion of mould, consequently need can process after clearing up the attached casting sand in surface after casting mould unpacking. At present, two tools for cleaning casting sand on the surface of a large casting mold are provided, one is an air pick, a hammer is driven by high-pressure gas to impact the tail of a pick rod at a frequency of more than 3 times per second so as to force the front end of the pick rod to shovel casting sand, and the other is an electric pick, a crankshaft at the front end of a motor is used for driving a piston to reciprocate, the piston then impacts the tail of the pick rod through the hammer driven by the gas so as to force the front end of the pick rod to shovel the casting sand. The pneumatic pick has the advantages of light dead weight, high speed and high efficiency, and has the disadvantages of high noise, and dust blown by discharged high-pressure gas is scattered everywhere and pollutes air. The electric pick has the advantages of high speed and efficiency, and has the defects of high noise and self weight, and the electric pick cannot be used for a long time due to physical ability of workers.

Disclosure of Invention

The utility model discloses large-scale casting mould surface remains casting sand cleaning device has overcome above-mentioned difficulty, provides a device that utilizes solenoid coil cooperation return spring drive iron core high frequency reciprocating motion, and the device has small, the noise is little, the dead weight is light, efficient advantage.

The technical scheme of the utility model as follows, large-scale casting mould surface residue casting sand cleaning device includes the sleeve pipe, the internally mounted switch of handle, handle has been installed on the top on sleeve pipe right, the internally mounted solenoid of coil casing, coil casing has been installed to the higher authority at sleeve pipe middle part, the handle has been installed to the higher authority on sleeve pipe left side, the pick shovel has been installed on the top on sheathed tube internally mounted iron core, iron core left side, return spring has been installed on the inside right of sleeve pipe, solenoid passes through the power cord and is connected with switch, switch passes through the power cord and is connected with pulse power supply.

Further, the sleeve is cylindrical and made of plastics, the iron core installed inside the left side is cylindrical and made of silicon steel, the outer diameter of the iron core is smaller than the inner diameter of the sleeve by 1-2mm, the iron core is connected with a screw rod on the right side of the triangular pickaxe shovel through a screw hole inside the top end on the left side, a return spring installed on the right side inside the sleeve is spiral, the outer diameter of the return spring is smaller than the inner diameter of the sleeve by 2-3mm, the left top end of the return spring is connected with the right top end of the iron core, the right top end of the return spring is connected with a metal clamping plate inside the right top end of the sleeve, a handle installed on the right side of the right top end of the sleeve is in a square shape and made of plastics, a power switch installed on the right side inside of the handle is rectangular, a coil shell installed on the middle portion of the sleeve is hollow cylindrical and made of plastics, and an electromagnetic coil installed inside the coil shell is spiral.

Has the advantages that: the cleaning device for the residual casting sand on the surface of the large casting mold adopts a cylindrical sleeve, a cylindrical iron core is arranged on the left side inside the sleeve, a triangular pickaxe shovel is arranged on the left side of the iron core, a spiral return spring is arranged on the right side inside the sleeve, the left side of the return spring is connected with the right side of the iron core, a hollow cylindrical coil shell is arranged on the upper surface of the middle part of the sleeve, a spiral electromagnetic coil is arranged inside the coil shell, a square handle is arranged at the right top end of the sleeve, a rectangular power switch is arranged inside the handle, and the power switch is respectively connected with a pulse power supply and the electromagnetic coil through power lines;

the cleaning device for the residual casting sand on the surface of the large casting mold utilizes a pulse power supply to supply pulse current for the electromagnetic coil for more than 3 times per second, the magnetic field generated when the electromagnetic coil is powered on adsorbs the iron core rightwards, the iron core compresses the return spring when moving rightwards, the magnetic field disappears when the electromagnetic coil is powered off, the return spring pushes the iron core leftwards, the electromagnetic coil and the return spring are mutually matched to control the iron core to reciprocate fast and drive the pickaxe shovel to repeatedly and fast impact the casting sand on the surface of the casting mold to enable the casting sand to fall off, and the cleaning device has the advantages of small size, low noise, light self weight and high efficiency.

Drawings

FIG. 1 is a front view of a large casting mold surface residual casting sand cleaning apparatus;

FIG. 2 is a schematic structural diagram of a sleeve, a power switch, a coil housing, an iron core, a power line, an electromagnetic coil, and a return spring;

in the figure, 1, a sleeve; 2. a grip; 3. a power switch (AC 220V/10A); 4. a coil housing; 5. an iron core; 6. a pickaxe and a shovel; 7. a handle; 8. a power line; 9. a pulse power supply (AC 220V/10A, on-off frequency > 3 times/S); 10. an electromagnetic coil (AC 220V/7A); 11. a return spring (thrust > 7 kg).

Detailed Description

The structure and shape of the present invention will now be described in detail with reference to the accompanying drawings and the accompanying numerals:

referring to the attached drawings 1-2, the cleaning device for the residual casting sand on the surface of a large casting mold comprises a sleeve 1, the sleeve 1 is a device for positioning an iron core 5, a handle 2 is installed at the top end of the right side of the sleeve 1, a power switch 3 is installed inside the handle 2, the handle 2 is a handrail for controlling the sleeve 1, the power switch 3 is a device for cutting off and starting current between a pulse power supply 9 and an electromagnetic coil 10, a coil shell 4 is installed above the middle part of the sleeve 1, the electromagnetic coil 10 is installed inside the coil shell 4, the electromagnetic coil 10 can generate a magnetic field to force the iron core 5 to move, a handle 7 is installed above the left side of the sleeve 1, the handle 7 is a handrail for controlling the sleeve 1, the iron core 5 is installed inside the sleeve 1, a pickaxe shovel 6 is installed at the top end of the left side of the iron core 5, the iron core 5 can compress a return spring 11 under the action of the magnetic field, the return spring 11 pushes the iron core 5 back and drives the pickaxe shovel 6 to impact the pickaxe shovel 6 to be cleaned after the magnetic field disappears, the return spring 11 is installed at the position of the inner part of the sleeve 1, the right side of the sleeve 1, the return spring 11 is connected with the power supply line and the pulse power supply 3 through the return current which is more than the pulse power supply 3 and the pulse power supply 9 per second.

Referring to the attached drawings 1-2, the sleeve 1 is cylindrical made of plastic, the iron core 5 mounted inside the left side is cylindrical made of silicon steel, the outer diameter of the iron core 5 is smaller than the inner diameter of the sleeve 1 by 1-2mm, the iron core 5 is connected with a screw rod on the right side of the triangular pickaxe shovel 6 through a screw hole inside the top end of the left side, the return spring 11 mounted on the right side inside the sleeve 1 is spiral, the outer diameter of the return spring 11 is smaller than the inner diameter of the sleeve 1 by 2-3mm, the left top end of the return spring 11 is connected with the right top end of the iron core 5, the right top end of the return spring 11 is connected with a metal clamping plate inside the right top end of the sleeve 1, the handle 2 mounted on the right side of the right top end of the sleeve 1 is in a square shape made of plastic, the power switch 3 mounted on the right side inside of the handle 2 is rectangular, the coil housing 4 mounted on the middle part of the sleeve 1 is hollow cylindrical made of plastic, the electromagnetic coil housing 10 mounted inside the coil housing 4 is spiral, and the sleeve 1, the handle 2, the power switch 3, the coil housing 4, the iron core 5, the pickaxe shovel 6, the electromagnetic coil 10, the electromagnetic coil 11 and the structure, the shape and the mounting position.

When the cleaning device for the residual casting sand on the surface of the large casting mold is used, a worker firstly switches on a power supply, holds the handle 7 by a left hand and holds the handle 2 by a right hand, then places the tip part of the pickaxe shovel 6 at a position attached to the casting sand on the surface of the casting mold, so that an angle of 10-20 degrees is formed between the tip part of the pickaxe shovel 6 and the tail end of the sleeve 1 and the surface of the casting mold, and presses the power switch 3 by a finger of the right hand of the worker, at the moment, the pulse power supply 9 provides pulse current for the power switch 3 for more than 3 times per second, the iron core 5 is quickly adsorbed to one side of the return spring 11 by a magnetic field generated when the electromagnetic coil 10 is powered on, the return spring 11 is compressed when the iron core 5 moves, the magnetic field disappears when the electromagnetic coil 10 is powered off, the return spring 11 quickly pushes the iron core 5 outwards, the iron core 5 drives the pickaxe shovel 6 to quickly impact the casting sand attached to the surface of the casting mold, and the electromagnetic coil 10 and the return spring 11 are matched with each other to control the iron core 5 to quickly reciprocate and drive the pickaxe shovel 6 to quickly impact the casting sand on the surface of the casting mold to fall off.

Claims (2)

1. Casting sand cleaning device is remained on large-scale casting mould surface, including the sleeve pipe, characterized by the internally mounted switch of handle, handle has been installed on the top on sleeve pipe right, the internally mounted solenoid of coil casing, coil casing has been installed to the higher authority at sleeve pipe middle part, the handle has been installed to the higher authority on sleeve pipe left side, the pick shovel has been installed on the top on sheathed tube internally mounted iron core, iron core left side, return spring has been installed on the inside right of sleeve pipe, solenoid passes through the power cord and is connected with switch, switch passes through the power cord and is connected with pulse power supply.

2. The device for cleaning the residual casting sand on the surface of the large-scale casting mold according to claim 1, wherein the sleeve is cylindrical and made of plastic, the iron core internally installed on the left side is cylindrical and made of silicon steel, the outer diameter of the iron core is 1-2mm smaller than the inner diameter of the sleeve, the iron core is connected with the screw rod on the right side of the triangular pickaxe shovel through the screw hole in the top end on the left side, the return spring installed on the right side in the sleeve is spiral, the outer diameter of the return spring is 2-3mm smaller than the inner diameter of the sleeve, the left top end of the return spring is connected with the right top end of the iron core, the right top end of the return spring is connected with the metal clamping plate in the top end on the right side of the sleeve, the handle installed on the right side of the top end on the right side of the sleeve is square and made of plastic, the power switch installed on the right side in the handle is rectangular, the coil housing installed on the middle part of the sleeve is hollow cylindrical and the electromagnetic coil housing is spiral.

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