CN219043395U

CN219043395U - Metal centrifugal mineral separation equipment

Info

Publication number: CN219043395U
Application number: CN202223424724.8U
Authority: CN
Inventors: 何仁金; 李晓宇; 黄晓军
Original assignee: Guangdong Faende Mining Co ltd
Current assignee: Guangdong Faende Mining Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-19
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to the technical field of mineral separation equipment, in particular to metal centrifugal mineral separation equipment. The technical proposal comprises: the shell, all install first curb plate and second curb plate on the both sides outer wall of shell, and first curb plate is located the top of second curb plate, the roof is installed at the top of shell, the roof passes through the bracing piece and is connected with first mounting panel, gear motor is installed to the last surface mounting of first mounting panel, gear motor's output shaft runs through the surface and the driving pulley connection of first mounting panel, driving pulley passes through drive belt and driven pulley connection, driven pulley installs on the inlet pipe. The utility model is convenient for dismounting and replacing the screening frame, can also play a role in protecting the screening frame, avoids the occurrence of serious deformation and even damage of the screening frame caused by certain impact of materials, and has strong practicability.

Description

Metal centrifugal mineral separation equipment

Technical Field

The utility model relates to the technical field of mineral processing equipment, in particular to metal centrifugal mineral processing equipment.

Background

The mineral separation is a process of separating useful minerals from gangue minerals by adopting mineral separation setting after crushing and grinding the minerals according to the physical and chemical properties of different minerals in the minerals, separating various symbiotic useful minerals as far as possible, removing or reducing harmful impurities to obtain raw materials required by smelting or other industries, wherein the mineral separation of the iron ores is a process of providing high-quality raw materials for the iron and steel industry, has important influence on the development of the iron and steel industry, the demand of iron-making enterprises in recent years is rapidly increased, wherein more than 1/5 of the total iron ore reserves in China is weak magnetic hematite which is difficult to separate in fine particles, and deep concentration is required to obtain the high-quality iron ore concentrate, so the mineral separation fineness of mineral separation equipment is crucial.

Through retrieving, patent publication number CN212215911U discloses a centrifugal mineral processing equipment for ore dressing, including box, chamber door, landing leg, motor, pivot, installation shell, screening frame, inserted block, fixed establishment and socket, the front side of box is provided with the chamber door, the equal fixedly connected with landing leg in four corners department of box bottom, the mid point department fixedly connected with motor of box bottom, fixedly connected with pivot on the output shaft of motor, the top of pivot runs through the box and extends to its inside fixedly connected with installation shell, the top swing joint of installation shell has the screening frame.

The current metal centrifugal mineral processing equipment is when in actual use, need the periodic dismouting clearance or change to the screening frame, but carry out dismouting change step loaded down with trivial details to the screening frame at present, and the screening frame carries out the in-process of screening to the ore, and the ore can cause certain effort to the screening frame, easily leads to the screening frame to appear serious deformation and even the condition emergence of damaging when the effort that the ore caused the screening frame is too big, has reduced the life of screening frame, for this we propose a metal centrifugal mineral processing equipment to solve current problem.

Disclosure of Invention

The utility model aims to provide metal centrifugal ore dressing equipment so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a metal centrifugal mineral processing equipment, includes the casing, first curb plate and second curb plate are all installed on the both sides outer wall of casing, and first curb plate is located the top of second curb plate, the roof is installed at the top of casing, the roof passes through the bracing piece and is connected with first mounting panel, the last surface mounting of first mounting panel has gear motor, gear motor's output shaft runs through the surface of first mounting panel and is connected with the driving pulley, the driving pulley passes through drive belt and is connected with driven pulley, driven pulley installs on the inlet pipe, the other end of inlet pipe runs through sealed bearing on the roof surface and extends to the inside of casing and be connected with first fixed knot constructs, the inside below of casing is provided with second fixed knot constructs, the bottom of second fixed knot constructs is provided with the second discharging pipe, the other end of second discharging pipe runs through the sealing bearing on the casing bottom central point put and extends to outside, equal fixed mounting has the installation piece on first fixed knot constructs and the second fixed knot constructs, the both ends at the screening frame are installed to the installation piece, first fixed knot constructs and second fixed knot constructs all includes first connecting plate, guide bar, second connecting plate, second mounting panel, second through-hole, buffer gear, threaded rod, third through-hole, rotation control board and first screw hole, one side surface mounting of second mounting panel has first connecting plate, and first connecting plate is four, and four first connecting plate is annular array and distributes.

Through the cooperation setting of a series of structures, when the worker carries out centrifugal screening on ore, the worker carries the ore from the inlet pipe to the inside of screening frame, the worker starts gear motor, gear motor drives the driving pulley and rotates, thereby the driving pulley rotates and can indirectly drive the inlet pipe and rotate, the inlet pipe rotates and can indirectly drive the screening frame and rotate, the screening frame rotates and can drive the ore in the screening frame to carry out centrifugal screening, the ore can cause certain impact on the screening frame in the screening process, at this moment, the buffer mechanism can play the effect of buffering, the impact force suffered by the screening frame is reduced, thereby the utility model can play the role of protecting the screening frame, the occurrence of serious deformation or even damage of the screening frame caused by certain impact on the material is avoided, the service life of the screening frame is prolonged, through the cooperation setting of a series of structures such as the first fixed establishment, the second fixed establishment, the pneumatic cylinder, hydraulic telescopic link, when the screening frame is dismantled and assembled to the staff, the staff can drive the threaded rod to carry out forward rotation or reverse rotation when carrying out forward rotation or reverse rotation to the rotation regulating plate, because the external screw thread on the threaded rod outer wall is connected with the internal screw thread on the first threaded hole pore wall for screw thread meshing, can indirect drive buffer mechanism to do outside or inboard rectilinear motion when carrying out forward rotation or reverse rotation to the threaded rod, the staff makes buffer mechanism on the first fixed structure and the buffer mechanism on the second fixed structure separate with the outer wall of installation piece after, start the pneumatic cylinder, hydraulic telescopic link flexible indirect drive first fixed structure do ascending rectilinear motion, after the first fixed structure moves to certain horizontal height, the screening frame can be disassembled and assembled, so that the utility model is convenient for disassembling and replacing the screening frame, and the disassembly and assembly operation are convenient.

Preferably, a supporting plate is mounted on the lower surface of the second side plate, and a supporting seat is mounted on the lower surface of the supporting plate.

Preferably, the hydraulic cylinder is installed on the upper surface of the first side plate, the hydraulic telescopic rod is installed at the top of the hydraulic cylinder, the top end of the hydraulic telescopic rod is installed on the lower surface of the top plate, the two sides of the lower surface of the top plate are provided with the protruding blocks, the other ends of the protruding blocks are installed in the installation slotted holes, the outer walls of the protruding blocks are in clearance connection with the hole walls of the installation slotted holes, and the installation slotted holes are formed in the two sides of the top of the shell.

Preferably, the bottom both sides of casing all are provided with first discharging pipe, all be provided with the valve body on inlet pipe, first discharging pipe and the second discharging pipe, the preceding terminal surface of casing is provided with sealing door, be provided with the safety lock on the sealing door.

Preferably, a first through hole is formed in the center of one side surface of the installation block, a groove is formed in the other side surface of the installation block, and sieve holes are formed in the outer wall of the screening frame.

Preferably, the surface central point of first connecting plate puts and has seted up first screw hole, the threaded rod is installed to first screw hole, and is threaded engagement connection between the external screw thread on the threaded rod outer wall and the internal screw thread on the first screw hole pore wall, rotatory regulating plate is installed to the one end of threaded rod, the second connecting plate is installed to the other end of threaded rod, install buffer gear on the opposite side surface of second connecting plate, one side surface mounting of second connecting plate has the guide bar, the third through-hole on the surface of first connecting plate is run through to the other end of guide bar, and is the gap junction between the outer wall of guide bar and the pore wall of third through-hole, the second through-hole has been seted up to the surface central point of second mounting panel.

Preferably, the buffer mechanism comprises a fourth through hole, a second threaded hole, a telescopic oil cylinder, a third connecting plate, a limiting column, a connecting block, a fourth connecting plate, a spring and a fifth connecting plate, wherein the third connecting plate is connected with the fourth connecting plate through the telescopic oil cylinder, the fourth connecting plate is connected with the fifth connecting plate through the connecting block, and the limiting column is installed on one side surface of the third connecting plate.

Preferably, the other end of the limiting column passes through a fourth through hole on the surface of the fourth connecting plate and is connected with the limiting plate, a gap is formed between the outer wall of the limiting column and the hole wall of the fourth through hole, an external thread is arranged on the outer wall of the other end of the limiting column, a second threaded hole is formed in the surface of the limiting plate, the external thread on the outer wall of the limiting column is in threaded engagement with the second threaded hole on the limiting plate, a spring is sleeved outside the outer wall of the limiting column, and the spring is located between the fourth connecting plate and the third connecting plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the cooperation arrangement of a series of structures, when a worker centrifugally screens ores, the worker conveys the ores from the feeding pipe to the inside of the screening frame, the worker starts the gear motor, the gear motor drives the driving belt pulley to rotate, the driving belt pulley rotates to indirectly drive the feeding pipe to rotate, the feeding pipe rotates to indirectly drive the screening frame to rotate, the screening frame rotates to drive the ores in the screening frame to centrifugally screen, the ores can impact the screening frame to a certain extent in the screening process, and at the moment, the buffer mechanism can play a role in buffering, so that the impact force on the screening frame is reduced, and therefore the screening frame can play a role in protecting the screening frame, the occurrence of serious deformation or even damage of the screening frame caused by certain impact of the materials is avoided, and the service life of the screening frame is prolonged.

2. According to the utility model, through the matching arrangement of a series of structures such as the first fixing mechanism, the second fixing mechanism, the hydraulic cylinder, the hydraulic telescopic rod and the like, when a worker dismounts the screening frame, the worker can drive the threaded rod to positively rotate or reversely rotate when the worker positively rotates or reversely rotates the rotary adjusting plate, and the external threads on the outer wall of the threaded rod are in threaded engagement connection with the internal threads on the wall of the first threaded hole, so that the threaded rod can indirectly drive the buffer mechanism to do an external or internal linear motion when positively rotating or reversely rotating, the worker can enable the buffer mechanism on the first fixing structure and the buffer mechanism on the second fixing structure to be separated from the outer wall of the mounting block, then the hydraulic cylinder is started, and the hydraulic telescopic rod indirectly drives the first fixing structure to do an upward linear motion, so that the screening frame can be dismounted after the first fixing structure moves to a certain horizontal height, and the screening frame is convenient to dismount and mount, and operate, and the practicability is strong.

Drawings

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

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

FIG. 3 is a cross-sectional view of a screen frame of the present utility model;

FIG. 4 is a cross-sectional view of a first securing mechanism and a second securing mechanism according to the present utility model;

fig. 5 is a cross-sectional view of the cushioning mechanism of the present utility model.

In the figure: 1. a speed reducing motor; 2. a first mounting plate; 3. a driving pulley; 4. a support rod; 5. a hydraulic telescopic rod; 6. a hydraulic cylinder; 7. a first side plate; 8. a second side plate; 9. a support plate; 10. a housing; 11. a support base; 12. a drive belt; 13. a feed pipe; 14. a driven pulley; 15. a top plate; 16. sealing the door; 17. a safety lock; 18. a first discharge pipe; 19. a valve body; 20. a second discharge pipe; 21. a first fixed structure; 211. a first connection plate; 212. a guide rod; 213. a second connecting plate; 214. a second mounting plate; 215. a second through hole; 216. a buffer mechanism; 2161. a fourth through hole; 2162. a second threaded hole; 2163. a telescopic oil cylinder; 2164. a third connecting plate; 2165. a limiting plate; 2166. a limit column; 2167. a connecting block; 2168. a fourth connecting plate; 2169. a spring; 2170. a fifth connecting plate; 217. a threaded rod; 218. a third through hole; 219. rotating the adjusting plate; 220. a first threaded hole; 22. a bump; 23. a mounting slot; 24. a mounting block; 25. a first through hole; 26. a groove; 27. a sieve pore; 28. a screening frame; 29. and a second fixing structure.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-5, the metal centrifugal ore dressing device provided by the utility model comprises a shell 10, a first side plate 7 and a second side plate 8 are respectively arranged on the outer walls of two sides of the shell 10, the first side plate 7 is positioned above the second side plate 8, a top plate 15 is arranged at the top of the shell 10, the top plate 15 is connected with a first mounting plate 2 through a supporting rod 4, a gear motor 1 is arranged on the upper surface of the first mounting plate 2, an output shaft of the gear motor 1 penetrates through the surface of the first mounting plate 2 and is connected with a driving pulley 3, the driving pulley 3 is connected with a driven pulley 14 through a driving belt 12, the driven pulley 14 is arranged on a feeding pipe 13, the other end of the feeding pipe 13 penetrates through a sealing bearing on the surface of the top plate 15 and extends to the interior of the shell 10 and is connected with a first fixing structure 21, a second fixing structure 29 is arranged below the interior of the shell 10, the other end of the second discharging pipe 20 penetrates through a sealing bearing on the central position of the bottom of the shell 10 and extends to the exterior, a mounting block 24 is fixedly arranged on the first fixing structure 21 and the second fixing structure 29, a mounting block 24 is arranged on the second fixing structure 24, a mounting block 24 is arranged on the mounting block 24, a first fixing structure 21 and the second fixing structure 21 is arranged at the second fixing structure 21, the second fixing structure 21 is connected with a first connecting plate 21, the second fixing structure is provided with a second connecting plate 21, the second connecting plate is provided with a second connecting plate 211, the second connecting plate 211 and a second connecting plate 211 is provided with a second connecting plate 211, a second connecting plate hole-connecting plate 211, a second connecting plate hole 211 and a third connecting plate 211 is arranged at one side and a third connecting plate 211, the other side connecting plate 211 is provided with a connecting hole 211, and a connecting hole 211 and a connecting plate 211 and a connecting hole 211.

The working principle of the metal centrifugal beneficiation equipment based on the first embodiment is as follows: when in use, an external power supply is connected, when a worker centrifugally screens ores, the worker conveys the ores from the feed pipe 13 to the inside of the screening frame 28, the worker starts the gear motor 1, the gear motor 1 drives the driving belt pulley 3 to rotate, the driving belt pulley 3 rotates to indirectly drive the feed pipe 13 to rotate, the feed pipe 13 rotates to indirectly drive the screening frame 28 to rotate, the screening frame 28 rotates to drive the ores in the screening frame 28 to centrifugally screen, the ores can impact the screening frame 28 to a certain extent in the screening process, at the moment, the buffer mechanism 216 can play a role of buffering, the impact force of the screening frame 28 is reduced, so that the utility model can play a role of protecting the screening frame 28, and the occurrence of serious deformation or even damage of the screening frame 28 caused by certain impact of materials on the screening frame 28 is avoided, the service life of the screening frame 28 is prolonged, when a worker dismounts the screening frame 28, the worker drives the threaded rod 217 to rotate forward or reversely when the worker rotates forward or reversely the rotary adjusting plate 219, because the external threads on the outer wall of the threaded rod 217 are in threaded engagement with the internal threads on the wall of the first threaded hole 220, the threaded rod 217 indirectly drives the buffer mechanism 216 to do outside or inside linear motion when rotating forward or reversely, the worker enables the buffer mechanism 216 on the first fixing structure 21 and the buffer mechanism 216 on the second fixing structure 29 to be separated from the outer wall of the mounting block 24, the hydraulic cylinder 6 is started, the telescopic rod 5 indirectly drives the first fixing structure 21 to do upward linear motion when being telescopic, after the first fixing structure 21 moves to a certain horizontal height, the screening frame 28 can be disassembled and assembled, so that the utility model is convenient for disassembling and replacing the screening frame 28, and has convenient disassembly and assembly operation and strong practicability.

Example two

As shown in fig. 1-5, compared with the first embodiment, the metal centrifugal separation device provided by the present utility model further includes: the lower surface of the second side plate 8 is provided with a supporting plate 9, the lower surface of the supporting plate 9 is provided with a supporting seat 11, the upper surface of the first side plate 7 is provided with a hydraulic cylinder 6, the top of the hydraulic cylinder 6 is provided with a hydraulic telescopic rod 5, the top end of the hydraulic telescopic rod 5 is arranged on the lower surface of the top plate 15, two sides of the lower surface of the top plate 15 are provided with a convex block 22, the other end of the convex block 22 is arranged in a mounting groove hole 23, the outer wall of the convex block 22 is in clearance connection with the hole wall of the mounting groove hole 23, the mounting groove hole 23 starts at the two sides of the top of the shell 10, the two sides of the bottom of the shell 10 are provided with a first discharging pipe 18, a feeding pipe 13, the first discharging pipe 18 and a second discharging pipe 20 are provided with valve bodies 19, the front end face of the shell 10 is provided with a sealing door 16, the sealing door 16 is provided with a safety lock 17, the central position of one side surface of the mounting block 24 is provided with a first through hole 25, the other side surface of the mounting block 24 is provided with a groove 26, the outer wall of the screening frame 28 is provided with screening holes 27, the surface center position of the first connecting plate 211 is provided with a first threaded hole 220, a threaded rod 217 is arranged in the first threaded hole 220, external threads on the outer wall of the threaded rod 217 are in threaded engagement with internal threads on the wall of the first threaded hole 220, one end of the threaded rod 217 is provided with a rotary adjusting plate 219, the other end of the threaded rod 217 is provided with a second connecting plate 213, the other side surface of the second connecting plate 213 is provided with a buffer mechanism 216, one side surface of the second connecting plate 213 is provided with a guide rod 212, the other end of the guide rod 212 penetrates through a third through hole 218 on the surface of the first connecting plate 211, a gap is formed between the outer wall of the guide rod 212 and the wall of the third through hole 218, the surface center position of the second mounting plate 214 is provided with a second through hole 215, and the buffer mechanism 216 comprises a fourth through hole 2161, the second threaded hole 2162, the telescopic cylinder 2163, the third connecting plate 2164, the limit plate 2165, the limit post 2166, the connecting block 2167, the fourth connecting plate 2168, the spring 2169 and the fifth connecting plate 2170, the third connecting plate 2164 is connected with the fourth connecting plate 2168 through the telescopic cylinder 2163, the fourth connecting plate 2168 is connected with the fifth connecting plate 2170 through the connecting block 2167, the limit post 2166 is mounted on one side surface of the third connecting plate 2164, the other end of the limit post 2166 penetrates through the fourth hole 2161 on the surface of the fourth connecting plate 2168 to be connected with the limit plate 2165, the outer wall of the limit post 2166 is in clearance connection with the hole wall of the fourth hole 2161, the outer wall of the other end of the limit post 2166 is provided with external threads, the second threaded hole 2162 is formed in the surface of the limit plate 2165, the external threads on the outer wall of the limit post 2166 are in thread engagement connection with the second threaded hole 2162, the outer wall of the limit post 2166 is sleeved with the spring 9, and the spring 9 is located between the fourth connecting plate 2168 and the third connecting plate 2164.

In this embodiment, since the two sides of the lower surface of the top plate 15 are both provided with the protruding blocks 22, the other ends of the protruding blocks 22 are installed in the installation slots 23, and the outer walls of the protruding blocks 22 are in gap connection with the hole walls of the installation slots 23, so that the top plate 15 can be moved away from the top of the housing 10, the sealing door 16 and the safety lock 17 are arranged, the maintenance or cleaning of the structure inside the housing 10 can be conveniently performed by the staff, and the guide rod 212 is installed on one side surface of the second connecting plate 213, the other ends of the guide rod 212 penetrate through the third through holes 218 on the surface of the first connecting plate 211, and the outer walls of the guide rod 212 and the hole walls of the third through holes 218 are in gap connection, so that the movement of the buffer mechanism 216 can be indirectly limited and guided, and the stability of the buffer mechanism 216 in moving is enhanced.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. A metal centrifugal beneficiation apparatus comprising a housing (10), characterized in that: the utility model discloses a discharging device, including casing (10), first curb plate (7) and second curb plate (8) are all installed on the both sides outer wall of casing (10), and first curb plate (7) are located the top of second curb plate (8), roof (15) are installed at the top of casing (10), roof (15) are connected with first mounting panel (2) through bracing piece (4), gear motor (1) are installed to the upper surface of first mounting panel (2), the surface that the output shaft of gear motor (1) runs through first mounting panel (2) is connected with driving pulley (3), driving pulley (3) are connected with driven pulley (14) through driving belt (12), driven pulley (14) are installed on inlet pipe (13), the other end of inlet pipe (13) runs through the sealed bearing on roof (15) surface and extends to the inside of casing (10) and be connected with first fixed knot constructs (21), the inside below of casing (10) is provided with second fixed knot constructs (29), the bottom of second fixed knot constructs (29) is provided with second discharging pipe (20), the other end that second discharging pipe (20) run through on fixed knot constructs (24) and the outside fixed knot constructs (24) are installed to the outside on the casing (10), the installation piece (24) is installed at the both ends of screening frame (28), first fixed knot constructs (21) and second fixed establishment and all includes first connecting plate (211), guide bar (212), second connecting plate (213), second mounting panel (214), second through-hole (215), buffer gear (216), threaded rod (217), third through-hole (218), rotation regulation board (219) and first screw hole (220), one side surface mounting of second mounting panel (214) has first connecting plate (211), and first connecting plate (211) are four, and four first connecting plate (211) are annular array and distribute.

2. A metal centrifugal beneficiation apparatus in accordance with claim 1, wherein: the lower surface of the second side plate (8) is provided with a supporting plate (9), and the lower surface of the supporting plate (9) is provided with a supporting seat (11).

3. A metal centrifugal beneficiation apparatus in accordance with claim 1, wherein: the hydraulic telescopic rod (5) is installed at the upper surface of first sideboard (7), hydraulic telescopic rod (5) is installed at the top of pneumatic cylinder (6), lug (22) are all installed on top of hydraulic telescopic rod (5) at roof (15) lower surface both sides, in mounting groove hole (23) are installed to the other end of lug (22), and be the gap connection between the outer wall of lug (22) and the pore wall of mounting groove hole (23), mounting groove hole (23) begin in the top both sides of casing (10).

4. A metal centrifugal beneficiation apparatus in accordance with claim 1, wherein: the novel high-pressure water heater is characterized in that first discharging pipes (18) are arranged on two sides of the bottom of the shell (10), valve bodies (19) are arranged on the feeding pipe (13), the first discharging pipes (18) and the second discharging pipes (20), a sealing door (16) is arranged on the front end face of the shell (10), and a safety lock (17) is arranged on the sealing door (16).

5. A metal centrifugal beneficiation apparatus in accordance with claim 1, wherein: the center of one side surface of the installation block (24) is provided with a first through hole (25), the other side surface of the installation block (24) is provided with a groove (26), and the outer wall of the screening frame (28) is provided with a screen hole (27).

6. A metal centrifugal beneficiation apparatus in accordance with claim 1, wherein: the novel structure is characterized in that a first threaded hole (220) is formed in the surface center position of the first connecting plate (211), a threaded rod (217) is installed in the first threaded hole (220), external threads on the outer wall of the threaded rod (217) are in threaded engagement with internal threads on the wall of the first threaded hole (220), a rotary adjusting plate (219) is installed at one end of the threaded rod (217), a second connecting plate (213) is installed at the other end of the threaded rod (217), a buffer mechanism (216) is installed on the other side surface of the second connecting plate (213), a guide rod (212) is installed on one side surface of the second connecting plate (213), a third through hole (218) is formed in the other end of the guide rod (212) in a penetrating mode on the surface of the first connecting plate (211), a gap is formed between the outer wall of the guide rod (212) and the wall of the third through hole (218), and the surface center position of the second mounting plate (214) is provided with a second through hole (215).

7. A metal centrifugal beneficiation apparatus in accordance with claim 1, wherein: the buffer mechanism (216) comprises a fourth through hole (2161), a second threaded hole (2162), a telescopic cylinder (2163), a third connecting plate (2164), a limiting plate (2165), a limiting column (2166), a connecting block (2167), a fourth connecting plate (2168), a spring (2169) and a fifth connecting plate (2170), the third connecting plate (2164) is connected with the fourth connecting plate (2168) through the telescopic cylinder (2163), the fourth connecting plate (2168) is connected with the fifth connecting plate (2170) through the connecting block (2167), and the limiting column (2166) is mounted on one side surface of the third connecting plate (2164).

8. A metal centrifugal beneficiation apparatus in accordance with claim 7, wherein: the other end of spacing post (2166) passes fourth through-hole (2161) on fourth connecting plate (2168) surface and is connected with limiting plate (2165), and be gap connection between the outer wall of spacing post (2166) and the pore wall of fourth through-hole (2161), be provided with the external screw thread on the other end outer wall of spacing post (2166), second screw hole (2162) have been seted up on the surface of limiting plate (2165), be threaded engagement connection between the external screw thread on the outer wall of spacing post (2166) and second screw hole (2162) on limiting plate (2165), the outer wall outside cover of spacing post (2166) is equipped with spring (2169), and spring (2169) are located between fourth connecting plate (2168) and third connecting plate (2164).