CN210789105U

CN210789105U - A drum sieve for work piece degritting is handled

Info

Publication number: CN210789105U
Application number: CN201921748858.0U
Authority: CN
Inventors: 李建荣
Original assignee: Qingdao Tairun Hardware Products Co ltd
Current assignee: Qingdao Tairun Hardware Products Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-19
Anticipated expiration: 2029-10-17

Abstract

The utility model relates to a drum sieve for work piece degritting is handled, include the frame, rotate the cylinder of being connected around horizontal axis and frame, the feed inlet has been seted up to the global of cylinder, feed inlet department is provided with carries out the confined sealing door to the feed inlet, the global equipartition of cylinder has the sieve mesh that runs through the cylinder perisporium, the below of cylinder is provided with the take-up (stock) pan, the inside of take-up (stock) pan is fixed with the filter that can pass through the molding sand, be provided with the type of falling V buffer board between cylinder and the take-up (stock) pan, the both ends and the frame fixed connection of the type of falling V. The utility model discloses can convenient and fast take out work piece and molding sand separation.

Description

A drum sieve for work piece degritting is handled

Technical Field

The utility model relates to a drum sieve technical field especially relates to a drum sieve for work piece degritting is handled.

Background

After the parts cast and formed by the sand mold are cast, the casting is required to be performed with sand removal treatment. When sand removal is performed on small-sized workpieces, a drum screen is often used for processing. When a workpiece needing to be subjected to desanding is placed in the roller, the roller is driven to rotate around the axis of the roller, the workpieces added into the roller collide with each other, and therefore the molding sand attached to the workpieces collides and is separated from the workpieces. The separated molding sand falls out of the interior of the drum through the mesh holes of the circumferential wall of the drum, thereby separating the work from the molding sand. The separated molding sand is collected by arranging a receiving disc below the roller.

The prior rotary screen can refer to the Chinese utility model patent document with the authorization publication number of CN208343100U, and discloses a rotary screen sand machine, which comprises a rotary screen, a frame, a belt transmission mechanism and a speed reducer. The whole drum screen is conical, a rolling ring is sleeved at the large opening end of the drum screen, a pair of groove-shaped supporting wheels are arranged on the rack below the rolling ring, and the rolling ring is arranged in a groove of the groove-shaped supporting wheels; a rotating shaft is arranged at the center of a circle at the small-opening end of the drum screen, and the speed reducer drives the rotating shaft to rotate through a belt transmission mechanism; the axial line of the drum screen is obliquely installed, the large opening end is a feeding opening, the small opening end is a discharging opening, and the large opening end is higher than the small opening end; and a partition plate is arranged below the roller screen and close to the discharge hole.

After the workpiece is desanded by the conventional rotary screen, in order to prevent the workpiece from being mixed with molding sand, the workpiece in the rotary screen needs to be taken out by a worker manually in sequence, so that the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a drum sieve for work piece desanding is handled, can convenient and fast take out work piece and molding sand separation.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a drum sieve for work piece degritting is handled, includes the frame, rotates the cylinder of being connected around horizontal axis and frame, the feed inlet has been seted up to the global of cylinder, feed inlet department is provided with carries out confined sealing door to the feed inlet, the global equipartition of cylinder has the sieve mesh that runs through the cylinder perisporium, the below of cylinder is provided with the take-up (stock) pan, the inside of take-up (stock) pan is fixed with the filter that can pass through the molding sand, be provided with the type of falling V buffer board between cylinder and the take-up (stock) pan, the both ends and the frame fixed connection of the type of.

By adopting the technical scheme, the molding sand generated in the doffing process is fed into the material receiving disc below the filter plate through the filter plate; after the work piece placed into the drum screen is subjected to desanding treatment, a sealing door at the feed inlet is opened, the feed inlet is rotated to a vertical downward position, the work piece in the drum falls out of the feed inlet, and after the work piece is subjected to collision buffering with the inverted V-shaped buffer plate, the work piece slides onto the filter plate in the material receiving plate along the inverted V-shaped buffer plate; through the setting at the filter with the type of falling V buffer board, after the completion was handled the desanding of work piece, can convenient and fast take out work piece and molding sand separation.

The utility model discloses further set up to: and a plurality of buffer strips which incline downwards from the middle part of the inverted V-shaped buffer plate to two sides are fixed on the upper surfaces of two sides of the inverted V-shaped buffer plate.

Through adopting above-mentioned technical scheme, there is the buffering strip through the last fixed surface at type of falling V buffer board both sides to buffer the processing through the work piece that the buffering strip was to falling type of falling V buffer board, thereby reduce the impact of work piece to type of falling V buffer board.

The utility model discloses further set up to: a sand outlet is formed in one side of the receiving disc, and a material door for sealing the sand outlet is arranged at the sand outlet.

Through adopting above-mentioned technical scheme, through the setting of sand outlet and bin gate, can take out the molding sand of filter below from take-up (stock) pan below to can carry out reuse to the molding sand that drops.

The utility model discloses further set up to: the lower end of the material door is hinged with the material receiving disc around a horizontal axis, and the upper part of the material door is provided with a plurality of hasp locks for fixedly connecting the material door with the material receiving disc.

Through adopting above-mentioned technical scheme, the lower extreme and the take-up (stock) pan of bin gate are articulated, and the upper end is fixed through hasp lock and take-up (stock) pan to when the molding sand that needs to dock in the charging tray is cleared up, can convenient and fast open the bin gate, and then can clear up the molding sand that docks in the charging tray by the high efficiency.

The utility model discloses further set up to: the material receiving disc is inclined downwards from one side far away from the sand outlet to one side where the sand outlet is located.

Through adopting above-mentioned technical scheme, the take-up (stock) pan is downward to the lopsidedness at sand outlet place by the one side of keeping away from sand outlet to opening the back with the bin gate, under the effect of gravity, the molding sand in the take-up (stock) pan moves to sand outlet one side easily under the effect of gravity, thereby makes things convenient for the staff to clear up the molding sand in the take-up (stock) pan.

The utility model discloses further set up to: sliding rails facing towards the sand outlet along the length direction are arranged on two sides of the bottom of the receiving disc, and a sliding groove which inclines downwards from one side far away from the sand outlet to one side close to the sand outlet is formed in a rack at the bottom of the receiving disc; the slide rail is connected with the sliding groove in a sliding mode along the length direction of the sliding groove.

Through adopting above-mentioned technical scheme, through the sliding fit of slide rail and spout, and then can convenient and fast pull out the cylinder below with the take-up (stock) pan, and then make things convenient for the staff to take the work piece that drops in the take-up (stock) pan.

The utility model discloses further set up to: the peripheral surface of the roller at the feed inlet is provided with a mounting plane vertical to the end surface of the roller, and the sealing door comprises an end plate and a sealing block fixed on the surface of one side of the end plate; the sealing block is inserted into the feed port, one side surface of the end plate, which is close to the mounting plane, is abutted against the mounting plane, and the surface of one side of the end plate, which is far away from the mounting plane, is provided with a plurality of pressing plates abutted against the end plate; and a fixing bolt which penetrates through the pressure plate and is in threaded connection with the filter cylinder is arranged at the pressure plate.

Through adopting above-mentioned technical scheme, press the clamp plate admittedly through fixing bolt, and then fix sealing door in mounting plane's feed inlet position department through the clamp plate to high-efficient good feed inlet seals, and opens the convenience.

The utility model discloses further set up to: and protective covers are fixed on the machine frames on the two sides of the roller.

Through adopting above-mentioned technical scheme, set up the protection casing through the both sides at the cylinder, and then shelter from the molding sand that splashes by the sieve mesh to improve operating personnel's personal safety on every side.

To sum up, the utility model discloses a beneficial technological effect does:

1. molding sand generated in the doffing process is fed into a material receiving disc below the filter plate through the filter plate; after the work piece placed into the drum screen is subjected to desanding treatment, a sealing door at the feed inlet is opened, the feed inlet is rotated to a vertical downward position, the work piece in the drum falls out of the feed inlet, and after the work piece is subjected to collision buffering with the inverted V-shaped buffer plate, the work piece slides onto the filter plate in the material receiving plate along the inverted V-shaped buffer plate; through the arrangement of the filter plate and the inverted V-shaped buffer plate, after the workpiece is desanding processed, the workpiece and molding sand can be conveniently and quickly separated and taken out;

2. the receiving disc inclines downwards from one side far away from the sand outlet to one side where the sand outlet is located, the lower end of the material door is hinged with the receiving disc, and the upper end of the material door is fixed with the receiving disc through the hasp lock, so that when the molding sand in the receiving disc needs to be cleaned, the material door can be conveniently and quickly opened, and the molding sand in the receiving disc can be efficiently cleaned;

3. the pressing plate is pressed and fixed through the fixing bolt, and then the sealing door is fixed at the position of the feed inlet of the mounting plane through the pressing plate, so that the high-efficiency good feed inlet is sealed, and the opening is convenient.

Drawings

FIG. 1 is a schematic structural view of a trommel for workpiece grit-holding treatment;

FIG. 2 is a schematic view of a hidden protective cover of a rotary screen for workpiece sand supporting treatment;

FIG. 3 is a schematic structural view of a sealing door;

FIG. 4 is a schematic structural view of the take-up pan;

fig. 5 is a schematic structural view of an inverted V-shaped buffer plate.

In the figure, 1, a frame; 11. a chute; 2. a drum; 21. a mounting plane; 22. a feed inlet; 23. screening holes; 24. a sealing door; 241. an end plate; 242. a sealing block; 25. pressing a plate; 26. fixing the bolt; 3. a take-up pan; 31. a filter plate; 32. a sand outlet; 33. a material door; 34. a hasp lock; 35. a slide rail; 4. a protective cover; 5. an inverted V-shaped buffer plate; 51. a buffer strip; 6. the motor is driven.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A rotary screen for workpiece desanding treatment, hereinafter referred to as rotary screen, refers to fig. 1 and 2, and comprises a frame 1 and a rotary drum 2 which is rotatably connected with the frame 1 around a horizontal axis, wherein screen holes 23 penetrating through the peripheral wall of the rotary drum 2 are uniformly distributed on the peripheral surface of the rotary drum 2. The machine frame 1 at the two sides of the roller 2 is fixed with a protective cover 4, and a material receiving disc 3 is arranged below the roller 2. One end of the roller 2 is provided with a driving motor 6 for driving the roller 2 to rotate, an output shaft of the driving motor 6 is coaxially arranged with the roller 2, and a machine body of the driving motor 6 is fixedly connected with the rack 1. When the roller screen is used for desanding treatment, a workpiece is placed into the roller 2, the roller 2 is driven to rotate around the axis of the roller by the driving motor, and then the workpieces placed in the roller 2 collide with each other, so that the workpiece is desanded. The moulding sand that has detached from the work-piece falls out of the sieve openings 23 and further into the receiving pan 3 below the drum 2.

Referring to fig. 2 and 3, a feed port 22 is opened on the circumferential surface of the drum 2, and a sealing door 24 for sealing the feed port 22 is provided at the feed port 22. The peripheral surface of the drum 2 at the feed opening 22 is provided with a mounting plane 21 perpendicular to the end surface of the drum 2, and the sealing door 24 comprises an end plate 241 and a sealing block 242 fixed on one side surface of the end plate 241. The sealing block 242 is inserted into the feed port 22, one side surface of the end plate 241 close to the installation plane 21 is abutted against the installation plane 21, and one side surface of the end plate 241 far away from the installation plane 21 is provided with a plurality of pressing plates 25 abutted against the end plate 241; the pressing plate 25 is provided with a fixing bolt 26 penetrating the pressing plate 25 and screwed with the drum 2. When the work is subjected to the sand removal treatment, the fixing bolts 26 are loosened, the pressing plate 25 is rotated to separate the pressing plate 25 from the surface of the end plate 241, and the sealing door 24 is opened. Workpieces to be subjected to the sand removal treatment are fed into the drum 2 through the feed opening 22, the feed opening 22 is closed by using a sealing door 24, and the sealing door 24 is pressed and fixed by a pressing plate 25.

Referring to fig. 2 and 4, a filter plate 31 through which molding sand can pass is fixed inside the receiver 3. A sand outlet 32 is arranged on one side of the receiving tray 3, and a material door 33 for sealing the sand outlet 32 is arranged at the sand outlet 32. The lower end of the material door 33 is hinged with the material receiving tray 3 around the horizontal axis, and the upper part of the material door 33 is provided with a plurality of hasp locks 34 which fixedly connect the material door 33 with the material receiving tray 3. The two sides of the bottom of the receiving disc 3 are provided with slide rails 35 facing the sand outlet 32 along the length direction, and the rack 1 at the bottom of the receiving disc 3 is provided with a chute 11 which inclines downwards from one side far away from the sand outlet 32 to one side close to the sand outlet 32; the slide rail 35 is slidably connected to the slide groove 11 along the length direction of the slide groove 11. When the work piece is desanding processed, the molding sand falling from the sieve holes 23 falls into the receiving tray 3, passes through the filter plate 31, and enters into the receiving tray 3 below the filter plate 31. After the completion is handled the desanding of work piece, feed inlet 22 is opened, and then rotates the discharge gate of cylinder 2 to vertical position down, and then the work piece drops on filter 31 by feed inlet 22. The material receiving disc 3 is pulled away from the lower part of the roller 2 along the length direction of the sliding chute 11, so that the work pieces on the filter plate 31 can be conveniently collected by the workers. Through opening bin gate 33, and then clear up filter 31 below take-up (3) medium-sized sand, carry out recycle once more.

Referring to fig. 2 and 5, an inverted V-shaped buffer plate 5 is arranged between the drum 2 and the receiving tray 3, and two ends of the inverted V-shaped buffer plate 5 are fixedly connected with the frame 1. The upper surface of the two sides of the inverted V-shaped buffer plate 5 is fixed with a plurality of buffer strips 51 which incline downwards from the middle part of the inverted V-shaped buffer plate 5 to the two sides, and the buffer strips 51 are made of rubber. The workpiece dropped from the feed inlet 22 collides with the inverted-V-shaped buffer plate 5 in the dropping process, and then drops into the receiving tray 3 below along the inverted-V-shaped buffer plate 5, so that the impact on the filter plate 31 is reduced. The inverted-V-shaped buffer plate 5 is protected by the buffer strips 51, so that impact damage of the workpiece to the inverted-V-shaped buffer plate 5 is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a drum sieve for work piece degritting is handled, includes frame (1), rotates cylinder (2) of being connected around horizontal axis and frame (1), feed inlet (22) have been seted up to the global of cylinder (2), feed inlet (22) department is provided with carries out confined sealing door (24) to feed inlet (22), the global equipartition of cylinder (2) has sieve mesh (23) that run through cylinder (2) perisporium, the below of cylinder (2) is provided with take-up (3), its characterized in that: the inside of take-up (3) is fixed with filter (31) that can pass through the molding sand, be provided with between cylinder (2) and take-up (3) type buffer board of falling V (5), the both ends and frame (1) fixed connection of type buffer board of falling V (5).

2. A trommel for workpiece screenout according to claim 1, wherein: the upper surfaces of two sides of the inverted V-shaped buffer plate (5) are fixedly provided with a plurality of buffer strips (51) which incline downwards from the middle part of the inverted V-shaped buffer plate (5) to two sides.

3. A trommel for workpiece screenout according to claim 1, wherein: a sand outlet (32) is formed in one side of the receiving disc (3), and a material door (33) for sealing the sand outlet (32) is arranged at the sand outlet (32).

4. A trommel for workpiece screenout according to claim 3, wherein: the lower end of the material door (33) is hinged with the material receiving disc (3) around a horizontal axis, and the upper part of the material door (33) is provided with a plurality of hasp locks (34) for fixedly connecting the material door (33) with the material receiving disc (3).

5. A trommel for workpiece screenout according to claim 3, wherein: the receiving disc (3) is inclined downwards from one side far away from the sand outlet (32) to one side where the sand outlet (32) is located.

6. A trommel for workpiece screenout according to claim 4 wherein: the two sides of the bottom of the receiving disc (3) are provided with sliding rails (35) facing towards the sand outlet (32) along the length direction, and a sliding groove (11) which inclines downwards from one side far away from the sand outlet (32) to one side close to the sand outlet (32) is formed in the rack (1) at the bottom of the receiving disc (3); the sliding rail (35) is connected with the sliding groove (11) in a sliding mode along the length direction of the sliding groove (11).

7. A trommel for workpiece screenout according to claim 1, wherein: the peripheral surface of the roller (2) at the feed port (22) is provided with a mounting plane (21) vertical to the end surface of the roller (2), and the sealing door (24) comprises an end plate (241) and a sealing block (242) fixed on the surface of one side of the end plate (241); the sealing block (242) is inserted into the feed port (22), one side surface, close to the installation plane (21), of the end plate (241) is abutted to the installation plane (21), and a plurality of pressing plates (25) abutted to the end plate (241) are arranged on one side surface, far away from the installation plane (21), of the end plate (241); and a fixing bolt (26) which penetrates through the pressing plate (25) and is in threaded connection with the roller (2) is arranged at the pressing plate (25).

8. A trommel for workpiece screenout according to claim 1, wherein: and protective covers (4) are fixed on the machine frame (1) at two sides of the roller (2).