CN209791764U

CN209791764U - Graphite sieving machine

Info

Publication number: CN209791764U
Application number: CN201920130282.5U
Authority: CN
Inventors: 原焕明
Original assignee: Qingdao Haoyuan Graphite Co Ltd
Current assignee: Qingdao Haoyuan Graphite Co Ltd
Priority date: 2019-01-25
Filing date: 2019-01-25
Publication date: 2019-12-17
Anticipated expiration: 2029-01-25

Abstract

The utility model discloses a graphite screening machine, which belongs to the technical field of graphite processing and comprises a base, wherein the top of the base is provided with a plurality of layers of screen frames, screen holes of the screen frames are gradually reduced from top to bottom, the side wall of each layer of screen frame is respectively and fixedly provided with a discharge passage, and a dust removal mechanism is arranged above the screen frames; dust removal mechanism is including setting firmly in the support in the screen frame outside, and the top inboard of support has set firmly a dust excluding hood, and the top of dust excluding hood is connected with the ventilation pipe, fan of fixedly connected with on the ventilation pipe, and other end fixedly connected with of ventilation pipe connects the feed bin, the utility model discloses have the effect that prevents that the dust from densely laying, reducing the graphite dust and bringing harm for the staff in the environment around the screen frame.

Description

Graphite sieving machine

Technical Field

the utility model belongs to the technical field of the graphite processing technique and specifically relates to a graphite screening machine is related to.

Background

the sieving machine is a vibrating sieving mechanical device which utilizes the relative movement of bulk materials and a sieve surface to lead partial particles to penetrate through sieve pores and divide materials such as sand, gravel, broken stone and the like into different grades according to the particle size. The screening process of the screening machine is generally continuous, and after the screened raw materials are fed to the screening machine, the materials smaller than the size of the screen holes penetrate the screen holes and are called undersize products; material larger than the mesh size is continuously discharged from the screening surface and is referred to as oversize product.

In the technical field of graphite production and processing, a raw material required by graphite is generally crushed, and components with larger raw material particles are generally screened out and subjected to additional grinding in the process after crushing.

The prior art can refer to the chinese utility model patent with the grant publication number CN205518152U, it discloses a graphite powder spiral crushing and screening all-in-one machine, including spiral crusher and screening machine, be equipped with first i-shaped installation pipe box on spiral crusher's the lower extreme ejection of compact pipeline, the upper end pan feeding mouth department of screening machine is equipped with second i-shaped installation pipe box, first i-shaped installation pipe box and second i-shaped installation pipe box are connected through a adapter sleeve that can change, the adapter sleeve is flexible cloth component, be equipped with flexible seal structure at adapter sleeve and first i-shaped installation pipe box and second i-shaped installation pipe box junction, the screening machine is multi-level screening machine, the screening machine lower extreme is equipped with the vibrating device of material in the vibrating screen machine.

The utility model discloses in exist following not enough: because the screening machine can produce a large amount of dust at the in-process of sieve material to make dust densely covered in the environment of work, harm the workstation personnel health easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a graphite screening machine is provided with dust removal mechanism in the top of screen frame, and dust removal mechanism can collect the dust that the screen frame produced, prevents that the dust is densely covered in the environment around the screen frame, reduces the graphite dust and brings harm for the staff.

The above technical purpose of the present invention can be achieved by the following technical solutions:

A graphite screening machine comprises a base, wherein multiple layers of screen bodies are arranged at the top of the base, screen holes of the screen bodies are gradually reduced from top to bottom, a discharge channel is fixedly arranged on the side wall of each layer of screen body, and a dust removal mechanism is arranged above each screen body; the dust removal mechanism is including setting firmly the support in the screen frame outside, and the top inboard of support has set firmly a dust excluding hood, and the top of dust excluding hood is connected with the ventilation pipe, fan of fixedly connected with on the ventilation pipe, and another end fixedly connected with of ventilation pipe connects the feed bin.

through adopting above-mentioned scheme, the fan makes and is the negative pressure state in the ventilation duct, also is the negative pressure state in making the dust excluding hood, and the screen frame vibration produces a large amount of dust, and in the dust can enter into the ventilation duct, finally enters into to connect the material storehouse in being collected, can prevent that the dust is densely covered in the environment around the screen frame, reduces the graphite dust and brings harm for the staff.

The utility model discloses further set up to: the top in the material receiving bin is provided with a material receiving assembly.

Through adopting above-mentioned scheme, receive the material subassembly and can collect the graphite dust to connecing in the feed bin to transmitting, make the graphite dust descend to connecing the bottom in material bin, prevent that the graphite dust from wafting in connecing the material bin and fly.

The utility model discloses further set up to: the material receiving assembly comprises a water inlet pipe fixedly arranged on the material receiving bin, and an atomizing nozzle is fixedly arranged at the bottom of the water inlet pipe extending into the material receiving bin.

by adopting the scheme, the atomizing nozzle atomizes water into fine water mist particles with the diameter of less than 10-100 microns, the fine water mist particles can fly in the air for a long time due to the very small diameter of the fog drops, when one cold mist drop touches suspended dust in the material receiving bin, the cold mist drop can be attached to the dust and gradually condenses, when the weight of the suspended dust in the material receiving bin is increased to a certain degree, and the gravity of the cold mist drop is greater than the buoyancy, the cold mist drop can descend to the bottom surface of the material receiving bin, so that the collection along with graphite dust is facilitated.

The utility model discloses further set up to: connect one side bottom of feed bin to have seted up the discharge gate, the vertical sliding of discharge gate department is connected with the discharge door, is connected with on the discharge door with the fixed mounting in feed bin.

Through adopting above-mentioned scheme, the discharge door that upwards slides will discharge the door and connect the material storehouse fixed through the mounting, can open the discharge gate, is convenient for connect the graphite dust ejection of compact in the material storehouse.

The utility model discloses further set up to: the fixing piece is a fixing bolt in threaded connection with the discharge door.

By adopting the scheme, the fixing bolt is unscrewed, so that the end part of the fixing bolt is tightly abutted to the material receiving bin, the discharging door can be fixed with the material receiving bin, and the fixing of the discharging door is facilitated.

The utility model discloses further set up to: and one end of the material receiving bin, which is far away from the discharge port, is provided with a material pushing assembly.

Through adopting above-mentioned scheme, push away the material subassembly and can push the dust that connects the feed bin bottom to the discharge gate, the ejection of compact of the graphite dust of being convenient for is convenient for collect the graphite dust simultaneously.

the utility model discloses further set up to: the material pushing assembly comprises a cylinder body fixedly connected to a cylinder on the material receiving bin, the end part of a piston rod of the cylinder extends into the material receiving bin and is fixedly connected with a push plate, and the bottom of the push plate is abutted to the bottom of the material receiving bin.

Through adopting above-mentioned scheme, the piston rod extension of cylinder promotes the scraper blade to connect the direction horizontal slip of material mouthful to connect in the bottom of material storehouse, can be convenient for collect the graphite dust to discharge gate department with the graphite dust propelling movement that connects the material storehouse bottom.

the utility model discloses further set up to: the discharge gate department sets firmly an swash plate, and the swash plate is kept away from the one end slope of connecing the feed bin and is set up downwards, and the below of swash plate is provided with a receipts magazine.

Through adopting above-mentioned scheme, the graphite dust of swash plate push pedal propelling movement to discharge gate department of being convenient for drops to the material receiving box in, is convenient for collect the graphite dust.

To sum up, the utility model discloses following beneficial effect has:

1. The dust hood is arranged above the screen body, the top of the dust hood is connected with the ventilation pipe, the ventilation pipe is fixedly connected with the fan, the fan enables the interior of the ventilation pipe to be in a negative pressure state, the interior of the dust hood is also in a negative pressure state, the screen body vibrates to generate a large amount of dust, the dust can enter the ventilation pipe, the dust in the environment around the screen body can be prevented from being densely distributed, and the harm of graphite dust to workers is reduced;

2. The receiving assembly is arranged at the top in the receiving bin and can be used for collecting the graphite dust transmitted to the receiving bin, so that the graphite dust falls to the bottom of the receiving bin, and the graphite dust is prevented from flying in the receiving bin;

3. The material pushing assembly is arranged at one end, far away from the discharge port, of the material receiving bin, and can push dust at the bottom of the material receiving bin to the discharge port, so that the graphite dust can be conveniently discharged and collected.

Drawings

FIG. 1 is an isometric view of an embodiment;

FIG. 2 is a schematic view of the structure of the base and the screen body;

FIG. 3 is a schematic structural view of the discharging passage and the demagnetizing mechanism;

FIG. 4 is an exploded view of the fixed platter and the magnetic drum;

FIG. 5 is an exploded view of the tapping channel and demagnetization mechanism;

FIG. 6 is a schematic structural view of a dust removing mechanism;

Fig. 7 is a sectional view of the receiving bin.

In the figure, 1, a base; 2. a screen body; 21. a feed inlet; 22. a discharge channel; 3. a demagnetizing mechanism; 31. a material receiving box; 311. a screw; 312. a limit nut; 32. a protective door; 321. a notch groove; 33. fixing the disc; 331. fixing a column; 332. a magnetic cylinder; 333. a gasket; 334. fixing a nut; 335. a first gear; 336. a second gear; 34. a drive motor; 35. a bellows; 4. a dust removal mechanism; 41. a support; 42. a dust hood; 43. a vent pipe; 431. a fan; 44. a material receiving bin; 45. a material receiving assembly; 451. a water inlet pipe; 452. an atomizing spray head; 46. a material pushing assembly; 461. a cylinder; 462. pushing the plate; 463. a guide post; 47. a discharge port; 471. a discharge door; 472. a chute; 4721. fixing the bolt; 473. a hand-held portion; 474. a sloping plate; 48. and a material receiving box.

Detailed Description

The utility model provides a graphite screening machine, refers to fig. 1 and 2, includes base 1, and the top of base 1 is provided with a plurality of interconnect's screen frame 2, and screen frame 2 from top to bottom sieve mesh reduces in proper order, and the feed inlet 21 has been seted up at the screen frame 2 top that is located the top, has set firmly respectively on the lateral wall of each screen frame 2 with the discharge passage 22 of screen frame 2 internal intercommunication, and discharge passage 22's bottom is provided with demagnetization mechanism 3, and the top of screen frame 2 is provided with dust removal mechanism 4. Add the screen frame 2 with graphite from the feed inlet 21 of topmost screen frame 2 in, graphite is through screening layer upon layer, sieves out the graphite of equidimension not from the discharging channel 22 of different screen frames 2, and graphite is through the metal that is thoughtlessly in demagnetization mechanism 3 of fixed connection in discharging channel 22 bottom to the graphite demagnetizes, and dust removal mechanism 4 above the screen frame 2 can absorb the dust that the screen frame 2 produced, reduces the dust and wafts in the air.

Referring to fig. 3, the demagnetizing mechanism 3 includes a material receiving box 31 fixedly disposed at the bottom of the material discharging channel 22, the material discharging channel 22 is communicated with the material receiving box 31, one side of the material receiving box 31 is hinged with a protective door 32, one end of the protective door 32, which is far away from the hinged end of the protective door and the material receiving box 31, is provided with a notch 321, the material receiving box 31 is hinged with a screw 311 corresponding to the notch 321, the screw 311 is connected with a limit nut 312 in a threaded manner, the screw 311 is rotated into the notch 321 of the protective door 32, so that the limit nut 312 is abutted against the protective door 32, and the protective door 32 and the material receiving box 31 can be fixed.

Referring to fig. 4 and 5, the inner wall of one side of the receiving box 31, which is far away from the protective door 32, is rotatably connected with a fixed tray 33, the fixed tray 33 is rotatably connected with four horizontally arranged fixed columns 331, the fixed columns 331 are uniformly arranged on one side of the fixed tray 33, which is close to the protective door 32, the fixed columns 331 are sleeved with magnetic cylinders 332, the magnetic cylinders 332 are made of a material with metal adsorption property, after the magnetic cylinders 332 are sleeved on the fixed columns 331, the fixed columns 331 are sleeved with gaskets 333, the diameter of the gaskets 333 is between the outer diameters of the fixed columns 331 and the magnetic cylinders 332, the fixed columns 331 are externally threaded with a fixed nut 334, the gaskets 333 can be fixed with the fixed columns 331 and the magnetic cylinders 332, the magnetic cylinders 332 can be fixed with the fixed columns 331, and the magnetic cylinders 332 are prevented from being.

Referring to fig. 4 and 5, the first gear 335 is fixedly connected to one side of the fixing plate 33 extending to the side away from the protective door 32, a second gear 336 is engaged with all the first gears 335, the second gear 336 is fixedly connected to the inner side wall of the material receiving box 31, the outer side wall of the material receiving box 31 is fixedly provided with the driving motor 34, and the output shaft of the driving motor 34 extends into the material receiving box 31 and penetrates through the middle part of the second gear 336 and is fixedly connected to the fixing plate 33. The driving motor 34 rotates to drive the fixed disc 33 to rotate, the fixed disc 33 rotates to drive the magnetic cylinder 332 to rotate in the circumferential direction, the first gear 335 on the fixed column 331 is meshed with the second gear 336, and the second gear 336 is fixed. The bottom of the material receiving box 31 is fixedly provided with a vertically arranged corrugated pipe 35, the corrugated pipe 35 is a hose, and the corrugated pipe 35 is convenient for collecting demagnetized graphite.

referring to fig. 6 and 7, the dust removing mechanism 4 includes a bracket 41 fixed outside the screen body 2, a dust removing cover 42 located right above the screen body 2 is fixed in the top of the bracket 41, a ventilation pipe 43 is fixed on the top of the dust removing cover 42, a fan 431 is connected to the ventilation pipe 43, the fan 431 makes the dust removing cover 42 and the ventilation pipe 43 in a negative pressure state, so that dust generated by the screen body 2 is sucked into the ventilation pipe 43, and the dust is prevented from flying around. And one end of the ventilation pipe 43, which is far away from the dust hood 42, is fixedly provided with a material receiving assembly 45 for recovering graphite dust. The material receiving assembly 45 comprises a material receiving bin 44 fixedly connected to the end of the ventilation pipe 43, a water inlet pipe 451 is fixedly arranged at the top of the material receiving bin 44, one end of the water inlet pipe 451 is connected with an external water source, the other end of the water inlet pipe extends into the material receiving bin 44 and is fixedly connected with a plurality of atomizing nozzles 452, the atomizing nozzles 452 atomize water into fine water mist particles with the diameter of less than 10-100 microns, the fine water mist particles can fly in the material receiving bin 44 for a long time due to the fact that the diameter of the water mist droplets is very small, the fine water mist particles can be attached to graphite dust when one cold mist droplet touches the graphite dust suspended in the material receiving bin 44 and gradually condenses, the weight of the suspended dust in the material receiving bin 44 is increased to a certain degree, and when the gravity of.

Referring to fig. 6 and 7, a pushing assembly 46 is arranged at a position close to the bottom of one side of the material receiving bin 44, a material outlet 47 is formed in the other side of the material receiving bin, a discharge door 471 is vertically connected to the material outlet 47 in a sliding manner, vertical sliding grooves 472 are fixedly arranged at two sides of the outer side wall of the material receiving bin 44, the discharge door 471 is connected to the sliding grooves 472 in a sliding manner, fixing bolts 4721 for fixing the discharge door 471 and the outer side wall of the material receiving bin 44 are connected to the discharge door 471 through threads, a holding part 473 convenient for people to slide is fixedly arranged at the middle part of the discharge door 471, a material receiving bin 48 is fixedly arranged at the outer side of the material receiving bin 44 below the material outlet 47, an inclined plate 474 is fixedly arranged on the material receiving bin 44 below the material outlet 47, one side of the inclined plate 474. When the door is opened, the pushing assembly 46 can push the graphite dust at the bottom of the receiving bin 44 to fall into the receiving box 48. The pushing assembly 46 includes a cylinder 461 fixed on the outer sidewall of the receiving bin 44, a piston rod of the cylinder 461 extends into the receiving bin 44 and is fixedly connected with a pushing plate 462, two parallel guide posts 463 are fixed on the pushing plate 462, and the guide posts 463 are horizontally connected on the receiving bin 44 in a sliding manner.

The use principle is as follows: add the top layer screen frame 2 with graphite in the feed inlet 21 at 2 tops of screen frame 2 of the top, the graphite is sieved the back and is discharged through discharging channel 22, flow into in material receiving box 31 through discharging channel 22, driving motor 34 drive fixed disk 33 rotates, fixed disk 33 rotates and then can drive magnetic cylinder 332 and rotate, magnetic cylinder 332 can also the rotation, it is more thorough to the graphite demagnetization that drops to magnetic cylinder 332, graphite after the demagnetization is collected after flowing out in bellows 35. The blower 431 enables the inside of the ventilation pipe 43 to be in a negative pressure state, so that dust generated by the screen body 2 can be sucked into the ventilation pipe 43 and finally enters the material receiving bin 44; after the graphite dust enters the material receiving bin 44, the water sprayed by the atomizing nozzle 452 on the top of the material receiving bin 44 can enable the graphite dust to fall to the bottom of the material receiving bin 44; after a period of time, the discharging door 471 slides upwards, the piston rod of the air cylinder 461 extends, and the pushing plate 462 at the end of the piston rod pushes the graphite powder at the bottom of the material receiving bin 44 to fall into the material receiving box 48.

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 graphite screening machine, includes base (1), and the top of base (1) is provided with multilayer screen frame (2), and screen frame (2) from top to bottom sieve mesh reduces gradually, has set firmly a discharging channel (22), its characterized in that on the lateral wall of each layer screen frame (2) respectively:

A dust removal mechanism (4) is arranged above the screen body (2);

dust removal mechanism (4) are including setting firmly support (41) in the screen frame (2) outside, and the top inboard of support (41) has set firmly one dust excluding hood (42), and the top of dust excluding hood (42) is connected with ventilation pipe (43), and fan (431) of fixedly connected with on ventilation pipe (43), the other end fixedly connected with of ventilation pipe (43) connect feed bin (44).

2. The graphite screening machine according to claim 1, characterized in that: the top in the material receiving bin (44) is provided with a material receiving assembly (45).

3. The graphite screening machine according to claim 2, characterized in that: the material receiving assembly (45) comprises a water inlet pipe (451) fixedly arranged on the material receiving bin (44), and an atomizing nozzle (452) is fixedly arranged at the bottom of the water inlet pipe (451) extending into the material receiving bin (44).

4. the graphite screening machine according to claim 1, characterized in that: connect one side bottom of feed bin (44) to seted up discharge gate (47), discharge gate (47) department is vertically slided and is connected with discharge door (471), is connected with on discharge door (471) with connect the fixed mounting of feed bin (44).

5. The graphite screening machine according to claim 4, characterized in that: the fixing piece is a fixing bolt (4721) in threaded connection with the discharging door (471).

6. The graphite screening machine according to claim 1, characterized in that: and one end of the material receiving bin (44) far away from the material outlet (47) is provided with a material pushing assembly (46).

7. The graphite screening machine according to claim 6, characterized in that: the material pushing assembly (46) comprises a cylinder body fixedly connected to a cylinder (461) on the material receiving bin (44), the end of a piston rod of the cylinder (461) extends into the material receiving bin (44) and is fixedly connected with a push plate (462), and the bottom of the push plate (462) abuts against the bottom of the material receiving bin (44).

8. The graphite screening machine according to claim 4, characterized in that: the discharge port (47) is fixedly provided with an inclined plate (474), one end of the inclined plate (474), which is far away from the material receiving bin (44), is obliquely and downwards arranged, and a material receiving box (48) is arranged below the inclined plate (474).