CN111036325A

CN111036325A - Broken sieving mechanism of tombarthite ore

Info

Publication number: CN111036325A
Application number: CN201911333251.0A
Authority: CN
Inventors: 孙康
Original assignee: Jiangxi Qianyan Technology Consulting Co Ltd
Current assignee: Jiangxi Qianyan Technology Consulting Co Ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-04-21

Abstract

The invention discloses a rare earth ore crushing and screening device, which relates to the technical field of rare earth processing and comprises a base, wherein the top end of the base is fixedly connected with a crushing box, one end of the crushing box is fixedly connected with a feed hopper, a crushing mechanism is arranged on the crushing box, a second supporting column is arranged on one side of the crushing box, the bottom end of the second supporting column is fixedly connected with a screening box between the base and the top end of the screening box, the top end of the screening box is fixedly connected with a blanking cover, the top end of the blanking cover is fixedly connected with a top box, one side of the top box is fixedly connected with a feeding cover, a conveying device is fixedly connected between the feeding cover and the crushing box, and a multi-stage screening mechanism is arranged in the screening box. Is convenient for processing and utilization.

Description

Broken sieving mechanism of tombarthite ore

Technical Field

The invention relates to the technical field of rare earth processing, in particular to a rare earth ore crushing and screening device.

Background

Rare earths are known as "industrial vitamins". Now has become an extremely important strategic resource. The rare earth element oxide refers to 15 kinds of lanthanide element oxides with atomic numbers of 57 to 71 in the periodic table of elements, and 17 kinds of element oxides of scandium (Sc) and yttrium (Y) which are chemically similar to the lanthanide elements.

When the rare earth ore is mined, the ore can be crushed in order to extract substances inside, and in Chinese invention patent document with the publication number of CN109331907A, ore crushing equipment for processing the rare earth ore is disclosed, wherein the ore is conveyed by a conveyor belt and a baffle plate is driven by a first moving rod to move left and right to enable the rare earth ore to intermittently fall into a crushing box, so that the load of a conical block can be reduced and the blockage of the crushing box can be avoided. But the device can only crush rare earth ores and has single functionality; the crushed stone blocks with different sizes obtained after the rare earth ore is crushed need to be additionally screened by a special screening device, so that the crushing is inconvenient.

Disclosure of Invention

The invention provides a rare earth ore crushing and screening device, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a broken sieving mechanism of tombarthite ore, the on-line screen storage device comprises a base, the broken case of top fixed connection of base, the one end fixed connection feeder hopper of broken case is equipped with broken mechanism on the broken case, one side of broken case is equipped with the second support column, fixed connection screening case between the bottom of second support column and the base, the top fixed connection blanking cover of screening case, the top fixed connection top case of blanking cover, one side fixed connection feeding cover of top case, fixed connection conveyor between feeding cover and the broken case, conveyor is used for carrying the ore after the breakage in the broken case to the feeding cover, the screening incasement is equipped with multistage screening mechanism, and a plurality of discharge gates have been seted up to one side that broken case was kept away from to the screening case, equal fixed connection ejection of compact baffle on the screening case of.

As a preferred technical scheme, the crushing mechanism comprises four first support columns fixedly arranged at the top end of a crushing box, the top ends of the first support columns are fixedly connected with a top plate, the center of the top plate is fixedly connected with a cylinder, the telescopic end of the cylinder is fixedly connected with a pressure rod, the pressure rod penetrates through the top end of the crushing box and is fixedly connected with a pressure plate and a pressure plate, a fixed plate is fixedly connected in the crushing box, and a plurality of discharging holes are formed in the fixed plate.

As a preferable technical scheme of the invention, the bottom surface of the pressure plate is fixedly provided with dense crushing teeth.

As a preferred technical scheme, a feed inlet is formed in the connecting position of the crushing box and the feed hopper, one end of the top surface of the fixed plate is fixedly connected with the baffle, an inclined plate is arranged below the fixed plate and is obliquely arranged, the inclined plate is fixedly connected with the inner wall of the crushing box, one side of the inclined plate is fixedly connected with a fixed seat, two ends of the inclined plate, close to one side of the fixed seat, are fixedly connected with side seats, a feed channel is formed in the fixed seat, and the feed channel is located between the two side seats.

As a preferred technical scheme of the invention, the conveying device comprises a conveying pipe, the bottom end of the conveying pipe penetrates through a fixed seat and is positioned in a feeding channel, the top end of the conveying pipe is fixedly connected with a feeding cover, a conveying shaft is coaxially and fixedly connected in the conveying pipe, a spiral conveying plate is fixedly connected to the outside of the conveying shaft, the top end of the feeding cover is fixedly connected with a motor base, a first driving motor is fixedly connected to the motor base, an output shaft of the first driving motor is coaxially and fixedly connected with the conveying shaft, and a conveying port is arranged on one side of the bottom of the conveying pipe.

As a preferred technical scheme of the present invention, the multistage screening mechanism includes a first screen plate, a second screen plate and a bottom plate, which are sequentially arranged from top to bottom, the first screen plate and the second screen plate are respectively provided with a first screen hole and a second screen hole, one side of the first screen plate, one side of the second screen plate and one side of the bottom plate are provided with a fixing cover, a shaking device is arranged in the fixing cover, and the top end of the screening box is fixedly provided with a driving device corresponding to the shaking device.

As a preferred technical solution of the present invention, the shaking device includes a plurality of partition plates fixedly disposed in the fixed cover, the plurality of partition plates divide the interior of the fixed cover into a plurality of mounting grooves, each mounting groove is slidably connected to a lifting seat, the top end and the bottom end of the lifting seat are fixedly connected to a return spring, the fixed cover is penetrated and slidably connected to a lifting rod, the lifting rod penetrates and is fixedly connected to the lifting seat, the lifting rod penetrates and is slidably connected to the partition plates, the return spring is sleeved outside the lifting rod, and the lifting rod stretches or compresses the return spring when lifting.

As a preferable technical scheme of the invention, the driving device comprises a second driving motor, an output shaft of the second driving motor is fixedly connected with a driving gear, and one side of the top of the lifting rod is provided with a tooth groove meshed with the driving gear.

As a preferred technical scheme of the invention, the top end of the lifting rod is fixedly connected with a limit top seat, the driving gear is an incomplete gear, and the driving gear is intermittently meshed with the lifting rod during rotation.

As a preferred technical solution of the present invention, the end portions of the first sieve plate, the second sieve plate and the bottom plate are respectively and fixedly connected to a first sliding support rod, a second sliding support rod and a third sliding support rod, the inner wall of the sieving box is provided with sliding grooves corresponding to the first sliding support rod, the second sliding support rod and the third sliding support rod, and the other ends of the first sieve plate, the second sieve plate and the bottom plate are fixedly connected to the lifting seat.

The invention has the following advantages: according to the invention, rare earth ore is firstly put into a feeding hopper, then the air cylinder is controlled to lift repeatedly to drive the press plate to crush the rare earth ore, the crushed rare earth ore is conveyed by the spiral conveying plate to enter the feeding cover and enter the discharging cover from the top box and finally fall into the screening box, the second driving motor is controlled to start to drive the driving gear to rotate, so that the lifting rod drives the first sieve plate, the second sieve plate and the bottom plate to reciprocate up and down to screen rare earth ore particles and guide the rare earth ore particles out of the discharging guide plate, the crushing mechanism is arranged in the crushing box to crush the rare earth ore into small blocks, the crushed rare earth ore can be conveyed by the conveying device and screened by the multi-stage screening mechanism, and the small blocks are separated and discharged, so that the crushed rare earth ore blocks with different sizes can be obtained, and the.

Drawings

Fig. 1 is a schematic perspective view of a rare earth ore crushing and screening device.

Fig. 2 is a schematic perspective view of a rare earth ore crushing and screening device.

Fig. 3 is a schematic diagram of the internal structure of a crushing box in the rare earth ore crushing and screening device.

Fig. 4 is a schematic structural diagram of a crushing mechanism in the rare earth ore crushing and screening device.

Fig. 5 is a schematic structural diagram of a multistage screening mechanism in the rare earth ore crushing and screening device.

Fig. 6 is a schematic structural diagram of a shaking device in the rare earth ore crushing and screening device.

Fig. 7 is a schematic structural diagram of a driving device in the rare earth ore crushing and screening device.

Fig. 8 is a schematic structural diagram of a conveying device in the rare earth ore crushing and screening device.

In the figure: 1. a base; 2. a crushing box; 3. a feed hopper; 4. a top plate; 5. a first support column; 6. a cylinder; 7. a second support column; 8. a screening box; 9. a top box; 10. a blanking cover; 11. a third support column; 12. a second feed hood; 13. a conveying device; 14. a motor base; 15. a first drive motor; 16. a discharge port; 17. a discharging guide plate; 18. a feed inlet; 19. a fixing plate; 20. a blanking hole; 21. a baffle plate; 22. a sloping plate; 23. a fixed seat; 24. a side seat; 25. a drive device; 26. a fixed cover; 27. a first screen deck; 28. a material guiding cover; 29. a first screen hole; 30. a second screen deck; 31. a second sieve pore; 32. a base plate; 33. a first sliding support rod; 34. a second sliding support rod; 35. a third sliding support rod; 36. a partition plate; 37. a lifting seat; 38. a lifting rod; 39. a return spring; 40. a tooth socket; 41. a second drive motor; 42. a drive gear; 43. a limiting top seat; 44. a delivery pipe; 45. a delivery shaft; 46. a spiral conveying plate; 47. a pressure lever; 48. pressing a plate; 49. and (5) crushing the teeth.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 and 2, a rare earth ore crushing and screening device comprises a base 1, wherein the top end of the base 1 is fixedly connected with a crushing box 2, one end of the crushing box 2 is fixedly connected with a feed hopper 3, a crushing mechanism is arranged on the crushing box 2, one side of the crushing box 2 is provided with a second support column 7, the bottom end of the second support column 7 is fixedly connected with a screening box 8 between the base 1, the top end of the screening box 8 is fixedly connected with a blanking cover 10, the top end of the blanking cover 10 is fixedly connected with a top box 9, one side of the top box 9 is fixedly connected with a feeding cover 12, a conveying device 13 is fixedly connected between the feeding cover 12 and the crushing box 2, the conveying device 13 is used for conveying ores crushed in the crushing box 2 to the feeding cover 12, be equipped with multistage screening mechanism in the screening case 8, screening case 8 is kept away from one side of broken case 2 and has been seted up a plurality of discharge gates 16, equal fixed connection ejection of compact baffle 17 on the screening case 8 of every discharge gate 16 below.

Referring to fig. 1-4, the crushing mechanism includes four first support columns 5 fixedly disposed at the top end of a crushing box 2, a top plate 4 is fixedly connected to the top end of the first support column 5, a cylinder 6 is fixedly connected to the center of the top plate 4, a telescopic end of the cylinder 6 is fixedly connected to a press rod 47, the press rod 47 penetrates through the top end of the crushing box 2 and is fixedly connected to a press plate 48, the crushing box 2 is fixedly connected to a fixing plate 19, a plurality of discharging holes 20 are formed in the fixing plate 19, dense crushing teeth 49 are fixedly disposed on the bottom surface of the press plate 48, the cylinder 6 is controlled to drive the press rod 47 to rapidly press down, so that the press plate 48 and the crushing teeth thereon impact on the ore to crush the ore into small pieces until the granularity of the ore is smaller than the aperture of the discharging holes 20 in the fixing plate 19, the crushed stone falls to the lower side from the discharging holes 20, a feed inlet 18 is disposed at, top surface one end fixed connection baffle 21 of fixed plate 19, the below of fixed plate 19 is equipped with swash plate 22, and the slope of swash plate 22 sets up, swash plate 22 and crushing case 2's inner wall fixed connection, one side fixed connection fixing base 23 of swash plate 22, and swash plate 22 is close to the equal fixed connection side seat 24 in both ends of fixing base 23 one side, seted up feedstock channel on the fixing base 23, feedstock channel is located between two side seats 24, and the garrulous ore is arranged in on swash plate 22 and rolls to the feedstock channel after falling down from unloading hole 20.

Referring to fig. 8, the conveying device 13 includes a conveying pipe 44, a bottom end of the conveying pipe 44 penetrates through the fixing base 23 and is located in the feeding channel, a top end of the conveying pipe 44 is fixedly connected with the feeding cover 12, a conveying shaft 45 is coaxially and fixedly connected in the conveying pipe 44, a spiral conveying plate 46 is fixedly connected to an outer portion of the conveying shaft 45, a motor base 14 is fixedly connected to a top end of the feeding cover 12, a first driving motor 15 is fixedly connected to the motor base 14, an output shaft of the first driving motor 15 is coaxially and fixedly connected with the conveying shaft 45, a conveying port is formed in one side of the bottom of the conveying pipe 44, and the first driving motor 15 drives the conveying shaft 45 and the spiral conveying plate 46 to rotate so as to convey the crushed stone blocks at the feeding channel into the feeding.

Referring to fig. 5, the multi-stage screening mechanism includes a first screening plate 27, a second screening plate 30 and a bottom plate 32, which are sequentially arranged from top to bottom, the first screening plate 27 and the second screening plate 30 are respectively provided with a first screening hole 29 and a second screening hole 31, one side of the first screening plate 27, the second screening plate 30 and the bottom plate 32 is provided with a fixing cover 26, a shaking device is arranged in the fixing cover 26, and a driving device 25 corresponding to the shaking device is fixedly arranged at the top end of the screening box 8.

Referring to fig. 6, the shaking device includes a plurality of partition plates 36 fixedly disposed in the fixed cover 26, the plurality of partition plates 36 divide the interior of the fixed cover 26 into a plurality of mounting grooves, each mounting groove is slidably connected to a lifting seat 37, the top end and the bottom end of each lifting seat 37 are fixedly connected to a return spring 39, the fixed cover 26 is penetrated through and slidably connected to a lifting rod 38, the lifting rod 38 penetrates through and is fixedly connected to the lifting seat 37, the lifting rod 38 penetrates through and is slidably connected to the partition plates 36, the return spring 39 is sleeved outside the lifting rod 38, and the lifting rod 38 stretches or compresses the return spring 39 when lifting.

Referring to fig. 7, the driving device 25 includes a second driving motor 41, an output shaft of the second driving motor 41 is fixedly connected to a driving gear 42, one side of the top of the lifting rod 38 is provided with a tooth slot 40 engaged with the driving gear 42, the top end of the lifting rod 38 is fixedly connected to a limit top seat 43, the driving gear 42 is an incomplete gear, the driving gear 42 is intermittently engaged with the lifting rod 38 during rotation, the lifting rod 38 is driven to rise when the driving gear 42 is engaged with the lifting rod 38, and the lifting rod 38 is rapidly reset under the force of the reset spring 39 when the driving gear 42 leaves the lifting rod.

Referring to fig. 5 and 6, the first sieve plate 27, the second sieve plate 30, and the bottom plate 32 are all disposed in an inclined manner, the end portions of the first sieve plate 27, the second sieve plate 30, and the bottom plate 32 are respectively and fixedly connected to a first sliding support rod 33, a second sliding support rod 34, and a third sliding support rod 35, the inner wall of the screening box 8 is provided with sliding slots corresponding to the first sliding support rod 33, the second sliding support rod 34, and the third sliding support rod 35, the other ends of the first sieve plate 27, the second sieve plate 30, and the bottom plate 32 are fixedly connected to a lifting seat 37, and the lifting rod drives the first sieve plate 27, the second sieve plate 30, and the bottom plate 32 to move synchronously when moving up and down.

In the implementation process of the invention, firstly, rare earth ore is put into the feeding hopper 3, then the cylinder 6 is controlled to repeatedly lift and lower the driving press plate 48 to crush the rare earth ore, the crushed rare earth ore is conveyed into the feeding cover 12 by the spiral conveying plate 46 and enters the blanking cover 10 from the top box 9 to finally fall into the screening box 8, the second driving motor 41 is controlled to start to drive the driving gear 42 to rotate, and thus the lifting rod 38 drives the first screen plate 27, the second screen plate 30 and the bottom plate 32 to do up-and-down reciprocating motion to screen rare earth ore particles and guide the rare earth ore particles out from the discharging guide plate 17. According to the invention, the crushing mechanism is arranged in the crushing box 2, so that the rare earth ore can be crushed into small blocks, and the crushed rare earth ore can be conveyed by the conveying device 13, screened by the multi-stage screening mechanism, separated and discharged, so that the rare earth ore fragments with different sizes can be obtained, and the processing and utilization are convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The rare earth ore crushing and screening device comprises a base (1) and is characterized in that a top end of the base (1) is fixedly connected with a crushing box (2), one end of the crushing box (2) is fixedly connected with a feeding hopper (3), a crushing mechanism is arranged on the crushing box (2), one side of the crushing box (2) is provided with a second supporting column (7), the bottom end of the second supporting column (7) is fixedly connected with the base (1) to form a screening box (8), the top end of the screening box (8) is fixedly connected with a blanking cover (10), the top end of the blanking cover (10) is fixedly connected with a top box (9), one side of the top box (9) is fixedly connected with a feeding cover (12), a conveying device (13) is fixedly connected between the feeding cover (12) and the crushing box (2), the conveying device (13) is used for conveying crushed ore in the crushing box (2) to the feeding cover (12), and a multi-stage screening mechanism is arranged in the, a plurality of discharge ports (16) are formed in one side, away from the crushing box (2), of the screening box (8), and a discharging guide plate (17) is fixedly connected to the screening box (8) below each discharge port (16).

2. The rare earth ore crushing and screening device according to claim 1, wherein the crushing mechanism comprises four first support columns (5) fixedly arranged at the top end of the crushing box (2), a top end of each first support column (5) is fixedly connected with a top plate (4), a central fixed connection cylinder (6) of each top plate (4), a telescopic end of each cylinder (6) is fixedly connected with a pressing rod (47), the pressing rods (47) penetrate through the top end of the crushing box (2) and are fixedly connected with a pressing plate (48) and the pressing plate (48), a fixing plate (19) is fixedly connected in the crushing box (2), and a plurality of blanking holes (20) are formed in the fixing plate (19).

3. The rare earth ore crushing and screening device according to claim 2, wherein the bottom surface of the pressing plate (48) is fixedly provided with dense crushing teeth (49).

4. The rare earth ore crushing and screening device according to claim 3, wherein a feed inlet (18) is formed in the joint of the crushing box (2) and the feed hopper (3), a baffle (21) is fixedly connected to one end of the top surface of the fixing plate (19), an inclined plate (22) is arranged below the fixing plate (19), the inclined plate (22) is obliquely arranged, the inclined plate (22) is fixedly connected with the inner wall of the crushing box (2), a fixing seat (23) is fixedly connected to one side of the inclined plate (22), two side seats (24) are fixedly connected to the two ends of one side of the fixing seat (23) close to the inclined plate (22), a feed channel is formed in the fixing seat (23), and the feed channel is located between the two side seats (24).

5. The rare earth ore crushing and screening device according to claim 4, wherein the conveying device (13) comprises a conveying pipe (44), the bottom end of the conveying pipe (44) penetrates through the fixing base (23) and is located in the feeding channel, the top end of the conveying pipe (44) is fixedly connected with the feeding cover (12), a conveying shaft (45) is coaxially and fixedly connected in the conveying pipe (44), a spiral conveying plate (46) is fixedly connected to the outer portion of the conveying shaft (45), a motor base (14) is fixedly connected to the top end of the feeding cover (12), a first driving motor (15) is fixedly connected to the motor base (14), an output shaft of the first driving motor (15) is coaxially and fixedly connected with the conveying shaft (45), and a conveying port is arranged on one side of the bottom of the conveying pipe (44).

6. The rare earth ore crushing and screening device according to claim 1 or 5, wherein the multistage screening mechanism comprises a first screen plate (27), a second screen plate (30) and a bottom plate (32) which are sequentially arranged from top to bottom, the first screen plate (27) and the second screen plate (30) are respectively provided with a first screen hole (29) and a second screen hole (31), one side of the first screen plate (27), the second screen plate (30) and the bottom plate (32) is provided with a fixed cover (26), a shaking device is arranged in the fixed cover (26), and a driving device (25) corresponding to the shaking device is fixedly arranged at the top end of the screening box (8).

7. The rare earth ore crushing and screening device according to claim 6, wherein the shaking device comprises a plurality of partition plates (36) fixedly arranged in a fixed cover (26), the fixed cover (26) is divided into a plurality of mounting grooves by the plurality of partition plates (36), each mounting groove is internally and slidably connected with a lifting seat (37), the top end and the bottom end of each lifting seat (37) are respectively and fixedly connected with a return spring (39), the fixed cover (26) is penetrated and slidably connected with a lifting rod (38), the lifting rod (38) penetrates through and is fixedly connected with the lifting seats (37), the lifting rod (38) penetrates through and is slidably connected with the partition plates (36), the return springs (39) are sleeved outside the lifting rods (38), and the lifting rods (38) stretch or compress the return springs (39) during lifting.

8. The rare earth ore crushing and screening device according to claim 7, wherein the driving device (25) comprises a second driving motor (41), an output shaft of the second driving motor (41) is fixedly connected with a driving gear (42), and one side of the top of the lifting rod (38) is provided with a tooth groove (40) meshed with the driving gear (42).

9. The rare earth ore crushing and screening device according to claim 8, wherein the top end of the lifting rod (38) is fixedly connected with a limit top seat (43), the driving gear (42) is an incomplete gear, and the driving gear (42) is meshed with the lifting rod (38) intermittently during rotation.

10. The rare earth ore crushing and screening device according to claim 9, wherein the ends of the first sieve plate (27), the second sieve plate (30) and the bottom plate (32) are respectively and fixedly connected with a first sliding support rod (33), a second sliding support rod (34) and a third sliding support rod (35), the inner wall of the screening box (8) is provided with sliding grooves corresponding to the first sliding support rod (33), the second sliding support rod (34) and the third sliding support rod (35), and the other ends of the first sieve plate (27), the second sieve plate (30) and the bottom plate (32) are fixedly connected with the lifting seat (37).