CN221453369U - Screening machine capable of preventing blockage - Google Patents

Abstract

The utility model discloses an anti-blocking screening machine which comprises a screening hopper, a first discharging hopper, a screen and a feeding hopper, wherein supporting columns are symmetrically welded on two sides of the screening hopper, one side, far away from the screening hopper, of each supporting column is fixedly provided with a control box, and the screen is fixed in the hopper of the screening hopper. This can prevent sieve separator of jam, screen through the screen cloth when the sieve separator screens coal, infrared detector can detect the coal condition of coal mine screening, make the loop column remove the assigned position through driving the second motor, and then electric telescopic handle downwardly moving mediation board, the cooperation round trip movement mediation board through second motor and electric telescopic handle dredge the position of jam of sieve separator, can prevent effectively that the sieve separator from blockking up, the practicality is better, rotate the threaded rod through first motor, thereby make the door plant reciprocate, with the discharge rate of this control feeder hopper, the screening flow of size control sieve separator opens and shuts through the door plant.

Description

Screening machine capable of preventing blockage

Technical Field

The utility model relates to the technical field of screening machines, in particular to an anti-blocking screening machine.

Background

Coal is a fossil fuel, is mainly formed by geological action of carbon-containing organic substances, is one of the most important energy sources in the world, is widely used in the fields of power generation, heat supply, industrial production, household use and the like, can play different roles according to volume, can be directly used for boiler combustion, and has a small volume, and large volume, is required to be crushed or deeply processed, so that the coal is required to be screened, and whether the coal meets the use standard is detected.

For this reason, the screening machine commonly used screens coal, and the coal can constantly roll down after falling into the screen cloth of slope, and tiny coal then falls from the screen cloth gap, and the great coal of volume then can stay on the screen cloth surface to screen coal, and the coal volume shape is different, and the in-process that the coal rolls down can take place to scratch with the sieve separator inner wall, if the instantaneous velocity of flow is too big to lead to the sieve separator to block up, generally needs the manual work to dredge, and the operation process is more troublesome, does not possess anti-clogging structure, and the practicality is relatively poor.

The above problems are thus improved.

Disclosure of utility model

The utility model aims to provide an anti-blocking screening machine, which aims to solve the problems that the prior art does not have an anti-blocking structure and the practicability is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the screening machine capable of preventing blocking comprises a screening hopper, a first discharging hopper, a screen and a feeding hopper, wherein supporting columns are symmetrically welded on two sides of the screening hopper, a control box is fixed on one side, far away from the screening hopper, of one supporting column, the screen is fixed in the screening hopper, a stop lever is arranged at the top of the screen, the first discharging hopper is welded on one end, close to the stop lever, of the screening hopper, a second discharging hopper is fixed on one side, close to the stop lever, of the screening hopper, and a fixing frame is arranged between the two supporting columns;

the outside cover of mount is equipped with the cover post, the tooth's socket has been seted up to the inboard of mount, the second motor is installed through the bolt at the top of cover post, the output axle head of second motor is fixed with first bevel gear, one side meshing of first bevel gear is connected with second bevel gear, the inside of second bevel gear is fixed with the rotation axis, the both ends of rotation axis all are fixed with the gear, the infrared detector is installed through the bolt to one side that the cover post is close to the pin, the electric telescopic handle is installed to one side that the cover post kept away from the infrared detector, electric telescopic handle's output is fixed with the mediation board, the outer wall welding of mount and sieve fight, be fixed with the vibrator on the diapire of sieve fight.

Preferably, the infrared detector, the electric telescopic rod and the second motor are electrically connected with the control box, the stop lever is welded with the inner wall of the sieve bucket, the stop lever is of an inclined design, the sleeve column is in sliding connection with the fixing frame, the rotating shaft is in rotary connection with the sleeve column through a bearing, and the gear is meshed with the tooth slot.

Preferably, the top welding that the sieve was kept away from first play hopper has the feeder hopper, the inboard symmetry welding of feeder hopper has the slide rail.

Preferably, a door plate is arranged between the two sliding rails, and the door plate is in sliding connection with the sliding rails.

Preferably, a fixed block is fixed on one side of the door plate, which is far away from the first discharging hopper, and a thread groove is formed in the fixed block.

Preferably, the top welding of feeder hopper has the portal frame, first motor is installed through the bolt at the top of portal frame, the output axle head of first motor is down, just the output axle head of first motor is fixed with the threaded rod, threaded rod and thread groove threaded connection.

Compared with the prior art, the utility model has the beneficial effects that: this can prevent sieve separator of jam, when sieving coal through the screen cloth, infrared detector can detect the coal condition of colliery screening coal, if when finding that some volume and database data mismatch, can judge that the sieve separator probably takes place to block up, control box sends out the instruction immediately, make the cover post remove the assigned position through driving the second motor, and then electric telescopic handle downwardly moving mediation board, dredge the jam position of sieve separator through the mutually supporting round trip movement mediation board of second motor and electric telescopic handle, can effectively prevent the sieve separator from blocking up, the practicality is better, rotate the threaded rod through first motor, thereby make the door plant reciprocate, with the ejection of compact speed of this control feeder hopper, the screening flow of size control sieve separator opens and shuts through the door plant.

1. According to the anti-blocking screening machine, coal is screened through the screen, the qualified coal can fall into the bottom of the screen and is led out from the first discharging hopper, if the screening machine is blocked, the control box controls the electric telescopic rod and the second motor to move, and the blocking position is dredged by the mutual cooperation of the electric telescopic rod and the second motor and the movement dredging plate, so that the aim of preventing the screening machine from being blocked is achieved, the anti-blocking screening machine is provided with an anti-blocking structure, and the practicability is good;

2. This can prevent sieve separator of jam, control first motor rotates, and then first motor drives the threaded rod and rotates to the threaded rod carries out screw drive with the screw groove, thereby makes the fixed block drive the door plant and removes, with the opening size of this control feeder hopper, finally reaches the purpose of control sieve separator flow.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic diagram of a front cross-sectional view of a combination of a sleeve and a holder of the present utility model;

FIG. 4 is a schematic diagram of the front view of the combination of the sleeve and the electric telescopic rod of the present utility model;

FIG. 5 is a schematic side view cross-sectional structure of a gear and tooth slot combination of the present utility model;

FIG. 6 is a schematic diagram of the front cross-sectional structure of the feed hopper and gantry combination of the present utility model.

In the figure: 1. screening bucket; 2. a first discharge hopper; 3. a second discharge hopper; 4. a stop lever; 5. a screen; 6. an infrared detector; 7. a sleeve column; 8. a dredging plate; 9. an electric telescopic rod; 10. a control box; 11. a support column; 12. a door panel; 13. a fixed block; 14. a first motor; 15. a feed hopper; 16. a portal frame; 17. a slide rail; 18. a second motor; 19. a fixing frame; 20. a first bevel gear; 21. a second bevel gear; 22. a rotation shaft; 23. a gear; 24. tooth slots; 25. a threaded rod; 26. a thread groove; 27. a vibrator.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2, 3, 4 and 5, the present utility model provides a technical solution: the utility model provides a sieve separator that can prevent jam, includes sieve fill 1, first play hopper 2, screen cloth 5 and feeder hopper 15, the bilateral symmetry welding of sieve fill 1 has support column 11, one of them the support column 11 is kept away from one side of sieve fill 1 and is fixed with control box 10, the fight internal fixation of sieve fill 1 has screen cloth 5, the top of screen cloth 5 is provided with pin 4, the one end welding that sieve fill 1 is close to pin 4 has first play hopper 2, one side that sieve fill 1 is close to pin 4 is fixed with second play hopper 3, two be provided with mount 19 between the support column 11, the outside cover of mount 19 is equipped with post 7, the tooth's socket 24 has been seted up to the inboard of mount 19, the second motor 18 is installed through the bolt at the top of post 7, the output axle head of second motor 18 is fixed with first bevel gear 20, one side meshing of first bevel gear 20 is connected with second bevel gear 21, the internal fixation of second bevel gear 21 has rotation axis 22, the both ends of rotation axis 22 all are fixed with gear 23, post 7 is close to one side 7 has post 7 to install through the electric detector 6, the infrared detector is kept away from on the end 9 of post 7 has the outer wall of electric detector 1, the infrared detector is fixed with end 9, the outer wall of the infrared detector is installed to be equipped with the end of post 19.

Referring to fig. 1, 2, 3, 4 and 5, the infrared detector 6, the electric telescopic rod 9 and the second motor 18 are electrically connected with the control box 10, the stop lever 4 is welded with the inner wall of the sieve bucket 1, the stop lever 4 is of an inclined design, the sleeve column 7 is slidably connected with the fixing frame 19, the rotating shaft 22 is rotatably connected with the sleeve column 7 through a bearing, and the gear 23 is meshed with the tooth slot 24.

During specific implementation, the screening machine main body is supported through the support column 11, coal enters into the screen 5, the screen 5 is vibrated through the vibrator 27, so that coal rolls downwards along the screen 5, in the motion process, coal meeting the standard falls under the screen 5, coal not meeting the standard continues to roll downwards, qualified coal can be led out from the first discharging hopper 2, unqualified coal is led out from the second discharging hopper 3, and accordingly coal is screened, the stop lever 4 is used for guiding unqualified coal into the second discharging hopper 3, during screening machine screening, the infrared detector 6 can detect coal, the coal falling into the screen 5 is flat and relatively stable in volume when the general screening machine screens coal, if the blocking infrared detector 6 can detect that the coal volume at a certain position exceeds the normal range of database data, and then the control box 10 can receive a signal blocked by the screening machine, and accordingly the second motor 18 is controlled to rotate, and accordingly the first bevel gear 20 is driven to rotate, the second bevel gear 21 drives the rotary shaft 22 to follow the first bevel gear 20, and further the gear 23 fixed with the rotary shaft 22 rotates, and finally the gear 23 and the gear 24 are meshed with the gear 23 to the electric motor 7, and the electric motor 8 is driven to move along the position of the fixed frame 8, and the position of the fixed frame is opened, and the position of the fixed frame is moved by the electric motor is opened, and the position of the fixed frame is opened, and the position of the position is opened, and the position is opened.

Referring to fig. 1, 2 and 6, a feed hopper 15 is welded at the top of the sieve hopper 1 far away from the first discharge hopper 2, sliding rails 17 are symmetrically welded at the inner sides of the feed hopper 15, a door plate 12 is arranged between the two sliding rails 17, the door plate 12 is slidably connected with the sliding rails 17, a fixed block 13 is fixed at one side of the door plate 12 far away from the first discharge hopper 2, a thread groove 26 is formed in the fixed block 13, a portal frame 16 is welded at the top of the feed hopper 15, a first motor 14 is mounted at the top of the portal frame 16 through bolts, the output shaft end of the first motor 14 faces downwards, a threaded rod 25 is fixed at the output shaft end of the first motor 14, and the threaded rod 25 is in threaded connection with the thread groove 26.

During concrete implementation, coal is poured into the feed hopper 15, the first motor 14 is started to drive the threaded rod 25 to rotate, so that the threaded rod 25 and the threaded groove 26 are in threaded transmission, the fixed block 13 is enabled to move, the fixed block 13 drives the door plate 12 to move along the sliding rail 17, the sliding rail 17 is used for the door plate 12 to move according to a specified path, the portal frame 16 is used for fixing the first motor 14, the feed inlet of the feed hopper 15 is controlled to open and close, the feed inlet opening and closing of the feed hopper 15 are controlled by moving the height of the door plate 12, and the screening coal flow of the screening machine is sequentially adjusted conveniently.

To sum up, the coal is poured into the feeding hopper 15, the opening and closing degree of the door plate 12 is controlled by the second motor 18 to control the screening flow of the screening machine, the coal falls onto the screen 5 for screening after the door plate 12 is opened, and the qualified coal falls into the screening hopper 1 and is led out from the first discharging hopper 2, so that the coal is screened, and the content which is not described in detail in the description belongs to the prior art known to the person skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a sieve separator that can prevent jam, includes sieve fill (1), first play hopper (2), screen cloth (5) and feeder hopper (15), its characterized in that:

Support columns (11) are symmetrically welded on two sides of the sieve bucket (1), one side, away from the sieve bucket (1), of one support column (11) is fixedly provided with a control box (10), a screen (5) is fixed in the bucket of the sieve bucket (1), a stop lever (4) is arranged at the top of the screen (5), a first discharge hopper (2) is welded at one end, close to the stop lever (4), of the sieve bucket (1), a second discharge hopper (3) is fixed on one side, close to the stop lever (4), of the sieve bucket (1), and a fixing frame (19) is arranged between the two support columns (11);

The outside cover of mount (19) is equipped with post (7), tooth's socket (24) have been seted up to the inboard of mount (19), second motor (18) are installed through the bolt in the top of post (7), the output axle head of second motor (18) is fixed with first bevel gear (20), one side meshing of first bevel gear (20) is connected with second bevel gear (21), the inside of second bevel gear (21) is fixed with rotation axis (22), the both ends of rotation axis (22) all are fixed with gear (23), infrared detector (6) are installed through the bolt in one side that post (7) are close to pin (4), electric telescopic handle (9) are installed to one side that post (7) kept away from infrared detector (6), the output of electric telescopic handle (9) is fixed with mediation board (8), the outer wall welding of mount (19) and sieve fill (1), be fixed with vibrator (27) on the diapire of sieve fill (1).

2. The anti-clogging screening machine of claim 1, wherein: the infrared detector (6), the electric telescopic rod (9) and the second motor (18) are electrically connected with the control box (10), the stop lever (4) is welded with the inner wall of the sieve bucket (1), the stop lever (4) is of an inclined design, the sleeve column (7) is in sliding connection with the fixing frame (19), the rotating shaft (22) is in rotating connection with the sleeve column (7) through a bearing, and the gear (23) is meshed with the tooth groove (24).

3. The anti-clogging screening machine of claim 1, wherein: the top that sieve fill (1) kept away from first play hopper (2) is welded there is feeder hopper (15), the inboard symmetry welding of feeder hopper (15) has slide rail (17).

4. A blocking-resistant screening machine according to claim 3, wherein: a door plate (12) is arranged between the two sliding rails (17), and the door plate (12) is in sliding connection with the sliding rails (17).

5. The anti-clogging screening machine of claim 4, wherein: one side of the door plate (12) far away from the first discharging hopper (2) is fixed with a fixed block (13), and a thread groove (26) is formed in the fixed block (13).

6. The anti-clogging screening machine of claim 5, wherein: the top welding of feeder hopper (15) has portal frame (16), first motor (14) are installed through the bolt in the top of portal frame (16), the output axle head of first motor (14) is down, just the output axle head of first motor (14) is fixed with threaded rod (25), threaded rod (25) and thread groove (26) threaded connection.