CN219464014U

CN219464014U - Vibration type screening device

Info

Publication number: CN219464014U
Application number: CN202320614132.8U
Authority: CN
Inventors: 王磊
Original assignee: Linyi Shuangding Thermal Power Co ltd
Current assignee: Linyi Shuangding Thermal Power Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-08-04
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a vibration type screening device, which belongs to the technical field of coal production and comprises a base, wherein a motor is fixedly arranged on the base, a screening box with a front opening is arranged on the upper surface of the base, a charging hopper is arranged on the upper surface of the screening box, a cover plate is hinged on the charging hopper through a pin shaft, a screen plate is arranged in the screening box, a rotating shaft I is rotatably arranged in the screening box, one end of the rotating shaft I extends out of the screening box in a penetrating manner, a single belt pulley is fixedly arranged at one end of the rotating shaft I, the rotating shaft II drives an eccentric vibrator to rotate so as to enable the screening box to rotate, a stirring plate is driven to rotate through rotation of the rotating shaft II, the falling materials are contacted with the screen plate in an increasing manner by utilizing the stirring plate, screening efficiency is improved, dust generated in the production process of the vibration process is extracted by utilizing a dust extraction pipe II and a dust extraction cover, and the dust extraction pipe I is used for extracting the extracted dust to a dust collection box.

Description

Vibration type screening device

Technical Field

The utility model relates to the field of coal production, in particular to a vibration type screening device.

Background

Coal is a solid combustible mineral formed by complex biochemical and physicochemical changes of ancient plants buried underground, the coal is known as black gold by people, the food of industry is one of main energy sources used in human world in the eighteenth century, the coal is one of the energy sources which are necessary for the production and life of our human in the present and the future for a long time after the past, the supply of the coal is also related to the stability of the development of the industry of China and the aspects of the whole society, and the problem of the supply safety of the coal is the most important ring in the safety of the energy sources of China.

At present, CN201520653395.5 discloses a vibration screening machine which comprises a feeding plate, a vibration sorting part and a fan blowing part, wherein the fan blowing part comprises a fan and a winding chamber with a cavity arranged inside, the fan is arranged below the winding chamber, an air outlet of the fan is opposite to an air inlet of the winding chamber, a feeding port of the winding chamber is connected with the vibration sorting part, the feeding port of the winding chamber is arranged on the upper part of the air inlet, a discharging port is formed in the bottom of the winding chamber, and the following technical problems still exist through practice: 1. during the vibration screening process, dust is generated by the materials, and the generated dust enters the air and is absorbed by staff to influence the health of the staff; 2. if the materials are too much, the contact area between the upper layer of the materials and the sieve plate in the screening process is small, the separating and screening effect is not excellent enough, and the working efficiency is required to be improved.

Disclosure of Invention

The vibration type screening device provided by the utility model solves the problems that the coal ash is scattered in the air to affect the physical health of workers, and meanwhile, the effect of separating and screening coal is not excellent enough, so that the working efficiency is required to be improved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a vibrations formula sieving mechanism, includes the base, fixed mounting has the motor on the base, the base upper surface is provided with openly open-ended screening case, screening case's last surface mounting has the loading hopper, install the apron through the round pin axle is articulated on the loading hopper, screening case's internally mounted has the sieve, screening case internally mounted has pivot one, a pivot one end runs through and extends out the screening case, a pivot one end and motor output shaft equal fixed mounting have single belt pulley, a pivot surface is provided with a plurality of stirring boards, screening case lower surface fixed mounting has the vibrations case, vibrations case internally mounted has pivot two, two one end runs through and extends vibrations case and fixed mounting have double belt pulley, two surface mounting of pivot have a plurality of eccentric vibrators, the surface of eccentric vibrator is laminated with screening case's lower surface mutually, screening case left surface fixed mounting has the dust box, screening case top fixed mounting has the fan, the air inlet end intercommunication of fan has a dust pipe one, the other end of dust pipe screening case and the equal fixed mounting of motor output shaft have a single belt pulley, a pivot one end and motor output shaft surface are provided with a plurality of stirring boards, vibration case and fixed mounting have two dust pipe and two dust collecting hood fixed mounting to the inner wall of dust collecting hood, dust pipe and dust collecting hood are connected to two dust collecting hood.

In the above scheme, it should be noted that the motor and the fan are connected with the external power supply linearly.

By adopting the scheme, the second rotating shaft drives the eccentric vibrator to rotate so that the screening box rotates, the stirring plate is driven to rotate through the second rotating shaft, the falling materials are increased by the stirring plate to be contacted with the screen plate, the screening efficiency is improved, the fan arranged on the screening box is used, dust generated in the generation process in the vibration process is extracted by the second dust extraction pipe and the dust extraction cover, and the extracted dust is extracted to the dust collection box by the first dust extraction pipe.

As a preferable scheme of the utility model, a plurality of supporting frames are fixedly arranged on the upper surface of the base, springs are fixedly arranged at the top ends of the supporting frames, a plurality of supporting pieces are fixedly arranged on the outer surface of the screening box, and the lower surfaces of the supporting pieces are fixedly connected with the top ends of the springs.

By adopting the scheme, the spring can generate larger elastic deformation under the action of load, the effects of controlling movement, damping and buffering can be achieved, and the service life of the device is prolonged.

As a preferable scheme of the utility model, a plurality of bolts are arranged on the side face of the dust collection box, a filter plate for filtering dust is attached to the position, which is provided with an air outlet, of the side face of the dust collection box and is opposite to the air outlet, and the tail ends of the bolts penetrate through the filter plate and are connected with the dust collection box.

By adopting the scheme, the dust drawn out by the dust suction pipe I is gathered in the dust collection box through the filter plate, and the filter plate can be conveniently replaced by utilizing the bolt for fixation.

As a preferable mode of the utility model, the screening box and the screen plate arranged inside the screening box are arranged obliquely relative to the horizontal plane.

By adopting the scheme, the screening box is obliquely arranged, so that materials can slide downwards to gradually leave the screening box under the action of self gravity in the screening process, and the screened materials can be conveniently collected.

As a preferable scheme of the utility model, the top of the supporting frame is fixedly provided with the telescopic rod, the top of the telescopic rod is fixedly connected with the lower surface of the supporting piece, and the spring is sleeved on the outer surface of the telescopic rod.

By adopting the scheme, the spring has unstable orientation in the horizontal direction, and the spring is easy to incline in the vibration screening process, and the vibration direction is vertical upwards through the telescopic rod, so that the inclination in the vibration process is avoided.

As a preferable scheme of the utility model, a belt is arranged between the single belt pulley and the double belt pulley and is connected through belt transmission.

By adopting the scheme, the motor drives the single belt wheel on the motor output shaft to rotate, the double belt pulley is connected with the two single belt wheels through the belt, the single belt wheel on the motor output shaft is utilized to rotate and drive the double belt pulley to rotate, the double belt pulley rotates and drives the single belt wheel on the first rotating shaft to rotate, the first rotating shaft and the second rotating shaft can rotate simultaneously, and materials can be stirred when vibration screening is carried out.

In the utility model, the following components are added:

according to the vibration type screening device, the fan, the dust extraction cover, the first dust extraction pipe, the second dust extraction pipe, the dust collection box and the filter plate are arranged, so that dust contained in materials is pumped into the dust collection box to be filtered through the filter plate in the vibration screening process, and the dust in the materials is prevented from entering the air to influence the health of staff;

this vibrations sieving mechanism is through setting up pivot one and stirring board, can stir the material at vibrations screening's in-process, increases the area of contact of material and sieve, and extension material vibrations screening time improves screening efficiency.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of the dust box of the present utility model;

fig. 4 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: 1. a screening box; 2. a sieve plate; 3. a support frame; 4. a vibration box; 5. a double belt pulley; 6. a base; 7. a single pulley; 8. a motor; 9. a support; 10. a hopper; 11. a blower; 12. a first dust extraction pipe; 13. a dust collection box; 14. a second rotating shaft; 15. an eccentric vibrator; 16. a stirring plate; 17. a dust extraction cover; 18. a telescopic rod; 19. a spring; 20. a bolt; 21. a filter plate; 22. a belt; 23. a first rotating shaft; 24. a dust extraction pipe II; 25. and a cover plate.

Detailed Description

Referring to fig. 1-4, the utility model provides a vibration type screening device, which comprises a base 6, wherein a plurality of supporting frames 3 are fixedly arranged on the upper surface of the base 6, springs 19 are fixedly arranged at the top ends of the supporting frames 3, a plurality of supporting pieces 9 are fixedly arranged on the outer surface of a screening box 1, a telescopic rod 18 is fixedly arranged at the top of the supporting frames 3, the top of the telescopic rod 18 is fixedly connected with the lower surface of the supporting pieces 9, the springs 19 are sleeved on the outer surface of the telescopic rod 18, the springs 19 can be prevented from inclining horizontally in the vibration process by the telescopic rod 18, and the stability in the vibration process is ensured.

The lower surface of the supporting piece 9 is fixedly connected with the top end of the spring 19, larger elastic deformation can be generated by utilizing the spring 19 under the action of load, the effects of vibration reduction, buffering and the like are realized, larger impact force can be generated in the vibration process, at the moment, the spring 19 can play the role of vibration reduction, the damage to the whole device due to larger vibration amplitude is avoided, and the service life of the device is prolonged.

The motor 8 is fixedly installed on the base 6, the screening box 1 with the front opening is arranged on the upper surface of the base 6, the screening box 1 and the screening plate 2 of the screening box 1 are obliquely placed on the horizontal plane, the screening plate 2 of the screening box 1 and the screening box 1 is obliquely placed, the materials can be ensured to gradually leave the screening box 1 downwards in the vibration process, and the screened materials can be conveniently collected.

The upper surface mounting of screening case 1 has loading hopper 10, install apron 25 through the round pin axle is articulated on the loading hopper 10, the internally mounted of screening case 1 has sieve 2, screening case 1 inside rotation installs pivot one 23, pivot one 23 one end runs through and extends out screening case 1, pivot one 23 one end and the equal fixed mounting of motor 8 output shaft have single belt pulley 7, pivot one 23 surface is provided with a plurality of stirring boards 16, screening case 1 lower surface fixed mounting has vibrations case 4, vibrations case 4 inside rotation installs pivot two 14, pivot two 14 one end runs through and extends out vibrations case 4 and fixed mounting has double belt pulley 5, be provided with belt 22 between single belt pulley 7 and the double belt pulley 5 and pass through belt 22 transmission connection, drive one of them single belt pulley 7 through motor 8 and rotate, utilize belt 22 to make double belt pulley 5 and another single belt pulley 7 rotate, make pivot one 23 and pivot two 14 rotate, stir the material when realizing vibrations screening.

The surface mounting of pivot two 14 has a plurality of eccentric vibrators 15, the surface of eccentric vibrators 15 is laminated mutually with the lower surface of screening case 1, screening case 1 left surface fixed mounting has dust collection box 13, dust collection box 13 side is provided with a plurality of bolt 20, dust collection box 13 side has the air exit and just is provided with filter plate 21 of filtering the dust to the position department laminating of air exit, the tail end of bolt 20 passes filter plate 21 and is connected with dust collection box 13, fix filter plate 21 through setting up bolt 20, when filter plate 21 needs to be changed, only need unscrew bolt 20, then take off filter plate 21 and change new filter plate 21, easy operation.

The top fixed mounting of screening case 1 has fan 11, and the air inlet end intercommunication of fan 11 has dust extraction pipe two 24, and the other end of dust extraction pipe two 24 runs through and extends to screening case 1 inside and installs dust extraction cover 17, and dust extraction cover 17 installs the inner wall at screening case 1, and dust extraction pipe two 24 is installed in the air-out end intercommunication of fan 11, and the other end of dust extraction pipe two 24 runs through and extends to dust collection case 13 inside and with dust collection case 13 fixed connection.

Working principle: when in use, the starting motor 8 drives the single belt pulley 7 fixedly arranged on the output shaft of the motor 8 to rotate, the double belt pulley 5 and the other single belt pulley 7 rotate through the transmission of the belt 22, so that the first rotating shaft 23 and the second rotating shaft 14 rotate, the first rotating shaft 23 rotates to drive the eccentric vibrator 15 to rotate, the screening box 1 vibrates, the second rotating shaft 14 rotates to drive the stirring plate 16 to rotate, the cover plate 25 is firstly opened during feeding, the material to be screened is fed into the screening box 1 through the hopper 10, the cover plate 25 is closed after feeding, and when the material moves to the position of the stirring plate 16, part of the materials move in the opposite direction under the action of the stirring plate 16 to reduce the advancing materials, increase the contact area of the materials and the sieve plate 2, improve the screening efficiency, pump out the dust generated by the materials in the screening box 1 by starting the fan 11 and utilizing the first dust pumping pipe 24 and the dust pumping cover 17, pump out the pumped dust into the dust box 13 by utilizing the second dust pumping pipe 12, leave the dust entering the dust box 13 in the dust box 13 by utilizing the filter plate 21 and discharge the air out of the dust box 13, unscrew the bolt 20 to detach the filter plate 21 after the operation is completed, and clean the filter plate 21 and the dust box 13.

Claims

1. The utility model provides a vibrations formula sieving mechanism, its characterized in that, including base (6), fixed mounting has motor (8) on base (6), the upper surface of base (6) is provided with openly open-ended screening case (1), the last surface mounting of screening case (1) has charging hopper (10), install apron (25) through the round pin axle is articulated on charging hopper (10), the internally mounted of screening case (1) has sieve (2), screening case (1) internally mounted has pivot one (23) rotationally, screening case (1) are run through to pivot one (23) one end, pivot one (23) one end and motor (8) output shaft are all fixed mounting have single belt pulley (7), pivot one (23) surface is provided with a plurality of stirring boards (16), screening case (1) lower surface fixed mounting has vibrations case (4), vibrations case (4) internally rotating and installing pivot two (14), pivot two (14) one end run through and extend vibrations case (4) and fixed mounting have double belt pulley (5), two (14) surface mounting (15) eccentric surface mounting vibrator (15) of vibrator (1) are equipped with the surface mounting of vibrator (1), the dust collecting device is characterized in that a dust collecting box (13) is fixedly arranged on the left side face of the screening box (1), a fan (11) is fixedly arranged at the top of the screening box (1), a dust suction pipe II (24) is communicated with the air inlet end of the fan (11), the other end of the dust suction pipe II (24) penetrates through and extends to the inside of the screening box (1) and is provided with a dust suction cover (17), the dust suction cover (17) is arranged on the inner wall of the screening box (1), a dust suction pipe I (12) is communicated with the air outlet end of the fan (11), and the other end of the dust suction pipe I (12) penetrates through and extends to the inside of the dust collecting box (13) and is fixedly connected with the dust collecting box (13).

2. The vibrating screening device according to claim 1, wherein a plurality of supporting frames (3) are fixedly arranged on the upper surface of the base (6), springs (19) are fixedly arranged at the top ends of the supporting frames (3), a plurality of supporting pieces (9) are fixedly arranged on the outer surface of the screening box (1), and the lower surfaces of the supporting pieces (9) are fixedly connected with the top ends of the springs (19).

3. The vibration screening device according to claim 1, wherein a plurality of bolts (20) are arranged on the side face of the dust collection box (13), a filter plate (21) for filtering dust is attached to the position, which is provided with an air outlet, on the side face of the dust collection box (13) and is opposite to the air outlet, and the tail ends of the bolts (20) penetrate through the filter plate (21) and are connected with the dust collection box (13).

4. Vibrating screening device according to claim 1, characterized in that the screening box (1) and the screening deck (2) mounted inside the screening box (1) are each placed obliquely to the horizontal.

5. The vibrating screening device according to claim 2, wherein a telescopic rod (18) is fixedly arranged at the top of the supporting frame (3), the top of the telescopic rod (18) is fixedly connected with the lower surface of the supporting piece (9), and the spring (19) is sleeved on the outer surface of the telescopic rod (18).

6. Vibrating screening device according to claim 1, characterized in that a belt (22) is arranged between the single pulley (7) and the double pulley (5) and is in driving connection via the belt (22).