CN212396909U

CN212396909U - Sand mould screening device for core shooter

Info

Publication number: CN212396909U
Application number: CN202020407777.0U
Authority: CN
Inventors: 黄帅峰; 赵向超
Original assignee: Yuzhou Yalong Machinery Manufacturing Co ltd
Current assignee: Yuzhou Yalong Machinery Manufacturing Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2021-01-26
Anticipated expiration: 2030-03-26

Abstract

A husky screening plant of mould for core shooter, including the sieve case of cylindrical structure, the sieve case is equipped with the landing leg, and the top of sieve case is uncovered, and the top of sieve case is equipped with the feeder hopper, and the inside of feeder hopper is equipped with the comb board that the slope set up, and the lateral part of feeder hopper is equipped with first discharge gate, and the lower extreme of comb board is located the lower border of first discharge gate, and the lateral part of sieve case is equipped with second bin outlet, third discharge gate and discharging pipe, is equipped with a valve on second bin outlet and the third discharge gate respectively. The utility model provides a husky screening plant of mould for core shooter sieves layer upon layer through comb board, first screen cloth and second screen cloth, will unqualified mould husky discharge and reorganize and prepare again, enters into the qualified mould husky of blanking intracavity and is directly added to the husky bin of mould of core shooter by the screw conveyer in the discharging tube, very big improvement the husky screening mode of mould of core shooter, be fit for the large tracts of land and promote.

Description

Sand mould screening device for core shooter

Technical Field

The utility model belongs to the technical field of screening equipment, concretely relates to mould husky screening plant for core shooter.

Background

When the core shooter is used, the mould sand is uniformly shot into the sand box by using compressed air, and then pressure is applied to compact the mould sand mould molding machine. The mould sand storage box of the core shooter is generally arranged at the top of the core shooter, the discharge port of the existing mould sand screening device is generally arranged at the bottom of the core shooter, and screened mould sand cannot be directly conveyed into the mould sand storage box of the core shooter, so that the mould sand screening device which is used for directly conveying the screened mould sand into the mould sand storage box of the core shooter is designed, and the technical problem to be solved at present is solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a husky screening plant of mould for core shooter sieves layer upon layer through comb board, first screen cloth and second screen cloth, will unqualified mould husky discharge and reorganize and prepare again, enters into the qualified mould husky of blanking intracavity and is directly added to the husky bin of mould of core shooter by the screw conveyer in the discharging tube, very big improvement the husky screening mode of mould of core shooter, be fit for the large tracts of land and promote.

For solving the technical problem, the utility model discloses the technical scheme who adopts as follows:

the mold sand screening device for the core shooter comprises a screen box with a cylindrical structure, wherein the screen box is provided with supporting legs, the top of the screen box is open, the top of the screen box is provided with a feed hopper, an obliquely arranged grid plate is arranged inside the feed hopper, the side part of the feed hopper is provided with a first discharge port, the lower end of the grid plate is positioned at the lower edge of the first discharge port, the side part of the screen box is provided with a second discharge port, a third discharge port and a discharge pipe, and the second discharge port and the third discharge port are respectively provided with a valve; the inside from the top down of sieve case is equipped with first screen cloth and second screen cloth in proper order, the mesh of first screen cloth is bigger than the mesh of second screen cloth, first screen cloth, the inside separation of second screen cloth with the sieve case is the broken chamber that from top to bottom sets gradually, screening chamber and blanking chamber, the bottom surface of second screen cloth is equipped with a motor, the main shaft of motor upwards sets up perpendicularly, coaxial upwards being equipped with a pivot on the main shaft of motor, first screen cloth and second screen cloth are upwards passed in the pivot, the pivot is located and is equipped with broken blade on the axis body in broken chamber, the pivot is located and is equipped with the scraper blade on the axis body in screening chamber, the second bin outlet is located broken chamber lateral part, the third bin outlet is located the screening chamber lateral part, the discharging pipe is located the lateral part in blanking chamber, the discharging pipe slope upwards sets up, be equipped with screw conveyer.

The valves are all electromagnetic valves.

The bottom of each supporting leg is provided with a universal roller respectively.

Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:

when the mould sand crusher is used, a motor in a screen box is opened, used mould sand which is not screened is added into the screen box through a feed hopper, some hard massive foreign matters in the mould sand cannot pass through a grid plate in the feed hopper, the mould sand is screened by the grid plate and then discharged from a first discharge port, the mould sand passing through the grid plate enters a crushing cavity of the screen box and is continuously crushed by a crushing blade, the mould sand conforming to a first screen mesh enters a screening cavity, the mould sand not conforming to the first screen mesh is continuously crushed in the crushing cavity, the mould sand entering the screening cavity is rotationally stirred and screened by a scraper, the mould sand conforming to a second screen mesh enters a blanking cavity to become qualified mould sand, the mould sand not conforming to a second screen mesh is continuously rotationally stirred and screened in the screening cavity, when more unqualified mould sand is stacked in the crushing cavity and the screening cavity, valves on a second discharge port and a third discharge port are simultaneously opened, and unqualified mould sand in the crushing cavity and the screening cavity is discharged, and after the batch of unqualified mold sand is discharged from the crushing cavity and the screening cavity, closing valves on the second discharge port and the third discharge port, continuing to perform the mold sand screening operation, and directly adding the qualified mold sand entering the blanking cavity into a mold sand storage box of the core shooter by a spiral conveyor in the discharge pipe.

To sum up, the utility model provides a husky screening plant of mould for core shooter sieves layer upon layer through comb board, first screen cloth and second screen cloth, and the husky discharge of mould that will be unqualified is reorganized and prepared again, enters into the qualified mould of blanking intracavity and is directly added to the husky bin of mould of core shooter by the screw conveyer in the discharge tube in, very big improvement the husky screening mode of mould of core shooter, be fit for the large tracts of land and promote.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The screening box 1, the feeder hopper 2, the comb plate 3, first bin outlet 4, second bin outlet 5, third bin outlet 6, discharging pipe 7, valve 8, first screen cloth 9, second screen cloth 10, crushing chamber 11, screening chamber 12, blanking chamber 13, motor 14, pivot 15, crushing blade 16, scraper 17, screw conveyer 18.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:

as shown in fig. 1, the mold sand screening device for the core shooter comprises a screen box 1 with a cylindrical structure, wherein the screen box 1 is provided with supporting legs, the top of the screen box 1 is open, the top of the screen box 1 is provided with a feed hopper 2, the inside of the feed hopper 2 is provided with an obliquely arranged grid plate 3, the side part of the feed hopper 2 is provided with a first discharge port 4, the lower end of the grid plate 3 is positioned at the lower edge of the first discharge port 4, the side part of the screen box 1 is provided with a second discharge port 5, a third discharge port 6 and a discharge pipe 7, and the second discharge port 5 and the third discharge port 6 are respectively provided with a valve 8; the inside of the screen box 1 is sequentially provided with a first screen 9 and a second screen 10 from top to bottom, the mesh of the first screen 9 is larger than that of the second screen 10, the first screen 9 and the second screen 10 divide the inside of the screen box 1 into crushing cavities 11 which are sequentially arranged from top to bottom, screening chamber 12 and blanking chamber 13, the bottom surface of second screen cloth 10 is equipped with a motor 14, the main shaft of motor 14 upwards sets up perpendicularly, coaxial upwards is equipped with a pivot 15 on the main shaft of motor 14, pivot 15 upwards passes first screen cloth 9 and second screen cloth 10, pivot 15 is located and is equipped with broken blade 16 on the axis body in broken chamber 11, pivot 15 is located and is equipped with scraper blade 17 on the axis body in screening chamber 12, second bin outlet 5 is located broken chamber 11 lateral part, third bin outlet 6 is located screening chamber 12 lateral part, discharging pipe 7 is located the lateral part in blanking chamber 13, discharging pipe 7 slope upwards sets up, be equipped with screw conveyer 18 in discharging pipe 7.

The valves 8 are all electromagnetic valves, and the valves 8 can be controlled to be opened and closed remotely conveniently.

The bottom of each supporting leg is provided with a universal roller respectively, so that the sieve box 1 can be conveniently moved to a designated working position.

Adopt above-mentioned technical scheme, the utility model discloses a working process does:

when the sand screening machine is used, the motor 14 in the screen box 1 is opened, used mold sand which is not screened is added into the screen box 1 through the feed hopper 2, some hard massive foreign matters in the mold sand cannot pass through the grid plate 3 in the feed hopper 2, the mold sand is screened by the grid plate 3 and then is discharged from the first discharge port 4, the mold sand passing through the grid plate 3 enters the crushing cavity 11 of the screen box 1 and is continuously crushed by the crushing blade 16, the mold sand conforming to the first screen 9 enters the screening cavity 12, the mold sand not conforming to the first screen 9 is continuously crushed in the crushing cavity 11, the mold sand entering the screening cavity 12 is rotationally stirred and screened by the scraper 17, the mold sand conforming to the second screen 10 enters the blanking cavity 13 to become qualified mold sand, the mold sand not conforming to the second screen 10 is continuously rotationally stirred and screened in the screening cavity 12, when the unqualified mold sands in the crushing cavity 11 and the screening cavity 12 are stacked more, the valve 8 on the second discharge port 5 and the third port 6 are opened simultaneously, discharging unqualified mold sand in the crushing cavity 11 and the screening cavity 12, closing the valves 8 on the second discharge port 5 and the third discharge port 6 after the batch of unqualified mold sand is discharged from the crushing cavity 11 and the screening cavity 12, continuing to screen the mold sand, and directly adding the qualified mold sand entering the blanking cavity 13 into a mold sand storage box of the core shooter by the spiral conveyor 18 in the discharge pipe 7.

To sum up, the utility model provides a husky screening plant of mould for core shooter sieves layer upon layer through comb board 3, first screen cloth 9 and second screen cloth 10, and the husky discharge of mould that will disqualify is reorganized and prepared again, enters into in the qualified mould sand in blanking chamber 13 is directly added to the husky bin of mould of core shooter by screw conveyer 18 in discharging pipe 7, very big improvement the husky screening mode of mould of core shooter, be fit for the large tracts of land and promote.

The grid plate 3, the motor 14, the screen and the screw conveyer 18 used in the utility model are the prior conventional technologies, and the structural features are not described in detail.

The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.

Claims

1. A mould sand screening plant for core shooter, including the sieve case of cylindrical structure, the sieve case is equipped with landing leg, its characterized in that: the top of the screen box is open, the top of the screen box is provided with a feed hopper, the inside of the feed hopper is provided with an obliquely arranged grid plate, the side part of the feed hopper is provided with a first discharge port, the lower end of the grid plate is positioned at the lower edge of the first discharge port, the side part of the screen box is provided with a second discharge port, a third discharge port and a discharge pipe, and the second discharge port and the third discharge port are respectively provided with a valve; the inside from the top down of sieve case is equipped with first screen cloth and second screen cloth in proper order, the mesh of first screen cloth is bigger than the mesh of second screen cloth, first screen cloth, the inside separation of second screen cloth with the sieve case is the broken chamber that from top to bottom sets gradually, screening chamber and blanking chamber, the bottom surface of second screen cloth is equipped with a motor, the main shaft of motor upwards sets up perpendicularly, coaxial upwards being equipped with a pivot on the main shaft of motor, first screen cloth and second screen cloth are upwards passed in the pivot, the pivot is located and is equipped with broken blade on the axis body in broken chamber, the pivot is located and is equipped with the scraper blade on the axis body in screening chamber, the second bin outlet is located broken chamber lateral part, the third bin outlet is located the screening chamber lateral part, the discharging pipe is located the lateral part in blanking chamber, the discharging pipe slope upwards sets up, be equipped with screw conveyer.

2. The mold sand screening device for a core shooter as claimed in claim 1, characterized in that: the valves are all electromagnetic valves.

3. The mold sand screening device for a core shooter as claimed in claim 2, characterized in that: the bottom of each supporting leg is provided with a universal roller.