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CN-122006897-A - High-efficient grading plant of tombarthite polishing powder

CN122006897ACN 122006897 ACN122006897 ACN 122006897ACN-122006897-A

Abstract

The invention provides a rare earth polishing powder efficient grading device which comprises a box body, a screening mechanism, an iron removing mechanism, a guiding mechanism, an air flow crushing mechanism and a separator, wherein the screening mechanism is used for screening rare earth polishing powder put into a screen frame, the iron removing mechanism comprises a plurality of electromagnetic rods which are arranged at intervals and used for adsorbing iron-containing impurities in the rare earth polishing powder, the guiding mechanism comprises a guiding frame which is arranged at intervals and is arranged right above the electromagnetic rods and used for receiving the rare earth polishing powder discharged by the screen frame and guiding the rare earth polishing powder to fall onto the electromagnetic rods, the air flow crushing mechanism is used for carrying out air flow crushing on the rare earth polishing powder subjected to iron removal, and the separator is used for grading the crushed rare earth polishing powder according to the volume. The invention can precisely control the rare earth polishing powder discharged after sieving to smoothly fall on the electromagnet rod, so that the sieved rare earth polishing powder is fully contacted with the electromagnet rod, thereby fully removing iron-containing impurities in the rare earth polishing powder.

Inventors

  • HUANG ZHONG
  • CAI LINING
  • LI LINGLING

Assignees

  • 江西省瑞比特锂能稀土科技有限公司

Dates

Publication Date
20260512
Application Date
20260408

Claims (10)

  1. 1. The utility model provides a high-efficient grading plant of tombarthite polishing powder which characterized in that includes: a case (1); The screening mechanism (5), the screening mechanism (5) is arranged in the box body (1), the screening mechanism (5) comprises a screen frame (504), and the screening mechanism (5) is used for screening the rare earth polishing powder put into the screen frame (504); The iron removing mechanism (8), wherein the iron removing mechanism (8) comprises a plurality of electromagnetic rods (801) which are arranged at intervals, and the electromagnetic rods (801) are used for adsorbing iron-containing impurities in the rare earth polishing powder; the guide mechanism (7), the guide mechanism (7) comprises guide frames (702) which are arranged at intervals, the guide frames (702) are arranged right above the electromagnet rod (801), and the guide frames (702) are used for receiving rare earth polishing powder discharged by the screen frames (504) and guiding the rare earth polishing powder to fall onto the electromagnet rod (801); The jet milling mechanism (10) is used for jetting high-pressure gas to jet-mill the rare earth polishing powder after iron removal; And the separator (11) is used for classifying the crushed rare earth polishing powder according to volume size.
  2. 2. The efficient rare earth polishing powder grading device according to claim 1, wherein the electromagnetic rod (801) is mounted on a rotating rod, two ends of the rotating rod rotate on the inner wall of the box body (1), a gear (802) is mounted on the outer surface of one end of the rotating rod, all gears (802) corresponding to the electromagnetic rod (801) are meshed and connected with a rack (803), one end of the rack (803) is connected with the inner wall of the box body (1) through a second spring (804), one end of the rack (803) away from the second spring (804) is abutted against the second cam (609), and the second cam (609) is driven to rotate by the driving mechanism (6).
  3. 3. The efficient rare earth polishing powder grading device according to claim 1, wherein one side of the screen frame (504) is propped against the first cam (608), the first cam (608) is driven to rotate by the driving mechanism (6), a supporting rod (603) is fixedly connected to the outer surface of the screen frame (504), one end, far away from the screen frame (504), of the supporting rod (603) is in sliding fit with the first fixing sleeve (601), and the supporting rod (603) is connected with the bottom wall of an inner cavity of the first fixing sleeve (601) through a first spring (602).
  4. 4. The efficient rare earth polishing powder grading device according to claim 3 is characterized by further comprising a vibrating mechanism (9), wherein the vibrating mechanism (9) comprises a beating head (910) used for vibrating the guiding mechanism (7), the vibrating mechanism (9) further comprises a first movable rod (901), the first movable rod (901) is used for driving the beating head (910) to be close to or far away from the guiding mechanism (7), the first movable rod (901) is in sliding fit on the first fixed sleeve (601), the supporting rod (603) penetrates through the middle part of the first movable rod (901), a notch is formed in the middle part of the supporting rod (603), one side of the notch is provided with a first inclined surface (6031), a second inclined surface (9012) used for being matched with the first inclined surface (6031) is arranged in the middle part of the first movable rod (901), and a third spring (902) used for achieving resetting of the first movable rod is sleeved on the outer surface of the first movable rod (901).
  5. 5. The efficient rare earth polishing powder grading device according to claim 4, wherein the vibration mechanism (9) further comprises a second fixed sleeve (903), a second movable rod (904) is slidably matched with the second fixed sleeve (903), the second movable rod (904) is connected with the bottom wall of the inner cavity of the second fixed sleeve (903) through a fourth spring (905), a third fixed sleeve (906) is arranged on the second movable rod (904), a wedge block (908) is slidably matched with the third fixed sleeve (906), the wedge block (908) is connected with the bottom wall of the inner cavity of the third fixed sleeve (906) through a fifth spring (907), a protruding portion (9011) matched with the wedge block (908) is arranged at the bottom of the first movable rod (901), a limiting block (909) is arranged between the second movable rod (904) and the first movable rod (901), and the bottom end of the limiting block (909) is arranged to be an inclined plane matched with the upper surface of the wedge block (908).
  6. 6. The efficient rare earth polishing powder grading device according to claim 1, wherein the cross section of the guide frame (702) is V-shaped.
  7. 7. The efficient rare earth polishing powder classifying device as set forth in claim 1, wherein said jet mill mechanism (10) comprises air inlet branch pipes (1010) arranged on the inner wall of the periphery of the case (1) at intervals, and two ends of the air inlet branch pipes (1010) are respectively connected with the air outlet spray heads (1011) and the air inlet header pipe (1009).
  8. 8. The efficient rare earth polishing powder grading device according to claim 7, wherein the jet milling mechanism (10) comprises a partition plate (1001) arranged on the inner wall of the box body (1), the partition plate (1001) is used for separating the iron removing mechanism (8) from the jet milling mechanism (10), the partition plate (1001) is provided with a plurality of first through grooves (1004), the first through grooves (1004) correspond to gaps between the two electromagnetic iron rods (801), the partition plate (1001) is further provided with a movable plate (1003) in a sliding fit mode through the limiting grooves (1002), the movable plate (1003) is provided with a plurality of second through grooves (1005), one end of the movable plate (1003) is connected with a first electric telescopic rod (1008), and the first electric telescopic rod (1008) is used for driving the movable plate (1003) to slide relative to the limiting grooves (1002) so that the first through grooves (1004) and the second through grooves (1005) are mutually overlapped or staggered.
  9. 9. The efficient rare earth polishing powder classifying device according to claim 8, wherein a first communication channel (1006) is formed in the middle of the partition plate (1001) corresponding to the first through groove (1004), the first communication channel (1006) is communicated with the separator (11) through a second communication pipe (1012), a second communication channel (1007) is formed in the middle of the movable plate (1003), two ends of the second communication channel (1007) are opened, one end of the second communication channel (1007) extends to a position close to the center of the movable plate (1003), and after the movable plate (1003) is driven by the first electric telescopic rod (1008) to slide relative to the limiting groove (1002), the first communication channel (1006) and the second communication channel (1007) are mutually communicated or separated.
  10. 10. The efficient rare earth polishing powder classifying device according to claim 1, wherein the screening mechanism (5) further comprises a feeding pipe (502), the upper end of the feeding pipe (502) is rotationally connected to the first communication pipe (501), the bottom end of the feeding pipe (502) is conical, a conical block (503) is fixedly connected to the inner wall of the bottom end of the feeding pipe (502), the conical block (503) is arranged right above the middle part of the screen frame (504), and the feeding pipe (502) is driven to rotate by the driving mechanism (6).

Description

High-efficient grading plant of tombarthite polishing powder Technical Field The invention relates to the technical field of rare earth polishing powder grading, in particular to a rare earth polishing powder efficient grading device. Background The rare earth polishing powder is mixed light rare earth oxide powder taking cerium oxide as a main component and is used for improving the surface finish of a product. The raw materials comprise bastnaesite concentrate or soluble rare earth salts, and are prepared by the processes of chemical treatment, burning, crushing and the like. Cerium oxide content can be classified into cerium-rich, cerium-rich and cerium-rich, and China is classified into oxalate, sulfate and fluoroparbonate systems according to the production process. In the prior art, the rare earth polishing powder needs to be screened out into polishing powder particles and powder of different grades according to the application of the rare earth polishing powder so as to meet the diversified requirements. At present, a multi-stage screening device is commonly adopted, so that rare earth polishing powder sequentially passes through screen plates with different apertures, but the problem of lower classification efficiency exists in the mode. In addition, rare earth polishing raw materials often mix with metal impurities such as scrap iron during the mining and processing processes. The presence of these impurities not only seriously affects the quality of the final product, but also causes additional wear on the production equipment. However, it is often difficult for existing classification devices to adequately separate and remove these iron-containing impurities from the rare earth polishing powder during the screening process, thereby affecting the overall quality of the product. Disclosure of Invention The invention aims to improve and innovate the defects and problems existing in the background technology, and provides a rare earth polishing powder efficient grading device. An efficient grading device for rare earth polishing powder, comprising: a case; the screening mechanism is arranged in the box body and comprises a screen frame and is used for screening the rare earth polishing powder put into the screen frame; the iron removing mechanism comprises a plurality of electromagnetic iron rods which are arranged at intervals, and the electromagnetic iron rods are used for adsorbing iron-containing impurities in the rare earth polishing powder; The guide mechanism comprises guide frames which are arranged at intervals, the guide frames are arranged right above the electromagnet rod, and the guide frames are used for receiving the rare earth polishing powder discharged by the screen frame and guiding the rare earth polishing powder to fall onto the electromagnet rod; The jet milling mechanism is used for jetting high-pressure gas to jet-mill the rare earth polishing powder after iron removal; and the separator is used for classifying the crushed rare earth polishing powder according to the volume size. Further, the electromagnetic rod is installed on the dwang, dwang both ends rotate on the box inner wall, and the one end surface mounting of dwang has the gear, and the gear engagement that all electromagnetic rods correspond is connected with a rack, rack one end is connected with the box inner wall through the second spring, and the one end that the second spring was kept away from to the rack offsets with the second cam, and the second cam is driven rotatory by actuating mechanism. According to the further scheme, one side of the net frame is abutted against a first cam, the first cam is driven to rotate by a driving mechanism, a supporting rod is fixedly connected to the outer surface of the net frame, one end, away from the net frame, of the supporting rod is in sliding fit with a first fixing sleeve, and the supporting rod is connected with the bottom wall of an inner cavity of the first fixing sleeve through a first spring. The vibrating mechanism comprises a beating head for vibrating the guide mechanism, the vibrating mechanism further comprises a first movable rod for driving the beating head to be close to or far away from the guide mechanism, the first movable rod is in sliding fit on the first fixed sleeve, the supporting rod penetrates through the middle of the first movable rod, a notch is formed in the middle of the supporting rod, one side of the notch is provided with a first inclined surface, the middle of the first movable rod is provided with a second inclined surface matched with the first inclined surface, and a third spring for achieving resetting of the first movable rod is sleeved on the outer surface of the first movable rod. Further scheme is, vibration mechanism still includes the fixed cover of second, the fixed cover of second is gone up sliding fit and is had the second movable rod, the second movable rod is connected with the fixed cover inner chamber diapire of seco