CN215810162U - Rare earth oxide roasting device capable of adjusting blanking speed - Google Patents

Abstract

The utility model discloses a rare earth oxide roasting device capable of adjusting blanking speed, which comprises a roasting platform, wherein a plurality of supporting legs are arranged on one side of the roasting platform, a raw material box is arranged at the top ends of the plurality of supporting legs, a raw material conveying pipe is arranged in the middle of the bottom end of the raw material box, a fixed shaft is arranged in the raw material conveying pipe, the other end of the fixed shaft penetrates through the raw material conveying pipe and is connected with an adjusting device positioned on one side of the outer wall of the raw material conveying pipe, a first blade and a second blade are respectively sleeved on two sides of the fixed shaft, the first blade is fixedly connected with the fixed shaft through a plurality of first fixing blocks, and the second blade is movably connected with the fixed shaft through a plurality of second fixing blocks. The device can obviously improve the automation degree of roasting the rare earth oxide, reduce the working strength of operators, improve the working environment of the operators, reduce the failure rate in the production process, and obviously improve the production efficiency of the rare earth oxide through continuous production.

Description

Rare earth oxide roasting device capable of adjusting blanking speed

Technical Field

The utility model relates to the technical field of roasting devices, in particular to a rare earth oxide roasting device capable of adjusting blanking speed.

Background

Researchers have discovered a water-insoluble solid oxide which exists in minerals in the form of oxides and is rare, and therefore is called rare earth, beginning in the 18 th century. The rare earth oxide is widely applied to various industries, and then petrochemical and chemical industries, and the process can be simplified and the economic benefit can be improved by adopting the rare earth catalyst. The superiority of the rare earth oxide is also found in the fields of ceramics, industrial metallurgy, ion conduction and the like, and the rare earth oxide also shows excellent performance in the aspects of environmental pollution treatment and fertilizer catalysts.

In the production of rare earth oxide polishing powder, raw materials are required to be subjected to a series of physical and chemical reactions in a heating mode to obtain dry powdery solid, the raw materials for producing rare earth oxide are generally rare earth carbonate powder, and a roller kiln is adopted for heating operation. The rare earth carbonate raw material is quantitatively contained in a refractory crucible by adopting a manual feeding mode, then the refractory crucible with the rare earth carbonate raw material is placed on a supporting plate above a conveying line, and the rare earth oxide in the refractory crucible is manually filled in a packaging bag after roasting is finished. The problems of high labor intensity of workers and poor operation environment exist in the operation process, meanwhile, the operation condition of each roller in the roller way needs to be checked at any time by an operator, the operation needs to be stopped for maintenance once the roller way stops, the problem of stopping is frequent when the number of the roller ways is large, the production efficiency is low, and the production cost is increased.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the rare earth oxide roasting device capable of adjusting the blanking speed, which has the advantage of adjusting the blanking speed and further solves the problem of high and low blanking speed.

(II) technical scheme

In order to realize the advantage of adjusting the blanking speed, the utility model adopts the following specific technical scheme:

a rare earth oxide roasting device capable of adjusting blanking speed comprises a roasting platform, wherein an installation cavity is formed in the top end of the roasting platform, a conveying plate is arranged in the installation cavity, a refractory crucible is arranged at the top end of the conveying plate, a plurality of groups of drying ovens are arranged in the middle of the top end of the roasting platform, one side of the conveying plate penetrates through the roasting platform and is provided with a second belt pulley, a belt is sleeved on the outer side of the belt pulley, a first belt pulley is sleeved at the bottom end of the belt, one side of the middle of the first belt pulley is connected with an output shaft of a first motor, a first fixed platform is arranged at the bottom end of the first motor, and a control panel is arranged on the front side of the first fixed platform; the device comprises a roasting platform, a plurality of supporting legs, a raw material box, a raw material conveying pipe, a fixed shaft, a first blade and a second blade, wherein the supporting legs are arranged on one side of the roasting platform, the top ends of the supporting legs are provided with the raw material box, the middle position of the bottom end of the raw material box is provided with the raw material conveying pipe, the raw material conveying pipe is internally provided with the fixed shaft, one end of the fixed shaft is movably connected with the inner wall of the raw material conveying pipe, the other end of the fixed shaft penetrates through the raw material conveying pipe and is connected with an adjusting device positioned on one side of the outer wall of the raw material conveying pipe, the two sides of the fixed shaft are respectively sleeved with the first blade and the second blade, the first blade is fixedly connected with the fixed shaft through a plurality of first fixed blocks, and the second blade is movably connected with the fixed shaft through a plurality of second fixed blocks; one end of the roasting platform is provided with a hairbrush, one end of the hairbrush is connected with an output group of a second motor, the bottom end of the second motor is provided with a second fixed platform, a surplus material collecting box is arranged below the hairbrush, and a surplus material storage box is arranged on one side of the surplus material collecting box; the roasting platform is provided with the vacuum and takes out the workbin on one side, and vacuum is taken out workbin top one side and is provided with finished product conveying pipeline, and finished product conveying pipeline bottom is provided with inhales the material mouth, and vacuum is taken out workbin top opposite side and is provided with the vacuum pump, and vacuum pump one side is connected with vacuum driving motor's output shaft.

Furthermore, in order to fix the refractory crucible on the conveying plate through the metal clamps, thereby ensuring the stability of the operation of the refractory crucible on the conveying plate, the top end of the conveying plate is uniformly provided with a plurality of metal clamps matched with the refractory crucible.

Furthermore, in order to collect the rare earth transmitted in the raw material conveying pipe under the action of the first groove and dry the rare earth by the oven, the first groove is formed in the middle of the refractory crucible.

Furthermore, in order to ensure the stability of the second rotating block in the rotating process under the action of the second fixed block and to be matched with the sliding seat to slide better under the action of the sliding groove, thereby ensuring the stability of the operation of the adjusting device, the adjusting device comprises a shell arranged on the inner wall of the raw material conveying pipe, a sliding seat is arranged on one side inside the shell, an electric telescopic rod is arranged at one end of the sliding seat, one end of the electric telescopic rod is fixedly connected with the inner wall of the shell through a plurality of fastening bolts, grooves II are arranged at the inner top and the inner bottom of the sliding seat, connecting rods are clamped inside the grooves II, a first rotating block is arranged on the front side of the sliding seat and is fixedly connected with one end of the fixed shaft, one side of the first rotating block is connected with one end of the connecting rods, which is far away from the grooves II, the back of sliding seat is provided with the second turning block, and one side and the second fixed block fixed connection that the sliding seat was kept away from to the second turning block, and the inner wall of casing is provided with the spout with sliding seat matched with.

Further, in order to make the first blade and the second blade cooperate with the raw material conveying pipe, and under the effect of the adjusting device, the inclination angle of the first blade and the second blade is changed, so that the size of the hole of the raw material conveying pipe is adjusted, and the falling speed of the rare earth is adjusted, wherein the first blade and the second blade are both in a semicircular arc shape matched with the raw material conveying pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides the rare earth oxide roasting device capable of adjusting the blanking speed, and the device has the following beneficial effects:

(1) by adopting the device, the roasting automation degree of the rare earth oxide can be obviously improved, the working intensity of operators is reduced, the working environment of the operators is improved, the fault rate in the production process is reduced, and the production efficiency of the rare earth oxide can be obviously improved through continuous production.

(2) Under adjusting device's effect, through the size in the size of adjusting unloading in-process trompil aperture, the unloading speed of control unloading in-process tombarthite to guarantee the stability of device operation in-process, prevent that the tombarthite discharge capacity is big, avoided the excessive of refractory crucible, guaranteed the utilization ratio of tombarthite.

(3) Under the effect of brush, can clear up refractory crucible to collect the tombarthite after will clearing up in the clout collection box, and finally convey and save in the clout storage box, guaranteed refractory crucible's cleanness, can carry out recycle with the tombarthite simultaneously, reduce the waste of tombarthite.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a rare earth oxide roasting device capable of adjusting blanking speed according to an embodiment of the utility model;

FIG. 2 is a second schematic structural diagram of a rare earth oxide roasting device with adjustable blanking speed according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a conveying plate in a rare earth oxide roasting device capable of adjusting blanking speed according to an embodiment of the utility model;

FIG. 4 is a schematic structural diagram of a refractory crucible in a rare earth oxide roasting apparatus with adjustable blanking speed according to an embodiment of the present invention;

FIG. 5 is a perspective cross-sectional view of a material transfer tube in the rare earth oxide roasting apparatus with adjustable blanking speed according to an embodiment of the present invention;

FIG. 6 is a front view of an adjusting device in the rare earth oxide roasting device capable of adjusting the blanking speed according to the embodiment of the present invention;

FIG. 7 is a schematic structural diagram of an adjusting device in the rare earth oxide roasting device capable of adjusting the blanking speed according to the embodiment of the utility model;

FIG. 8 is a partial schematic view of an adjusting device in the rare earth oxide roasting device capable of adjusting the blanking speed according to the embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a fixed shaft in the rare earth oxide roasting device capable of adjusting the blanking speed according to the embodiment of the utility model;

FIG. 10 is a schematic structural diagram of a first blade in the rare earth oxide roasting device capable of adjusting the blanking speed according to the embodiment of the utility model.

In the figure:

1. roasting the platform; 2. a mounting cavity; 3. a transfer plate; 301. a metal fixture; 4. a refractory crucible; 401. A first groove; 5. an oven; 6. a second belt pulley; 7. a belt; 8. a first belt pulley; 9. a first motor; 10. A first fixed platform; 11. a control panel; 12. supporting legs; 13. a raw material tank; 14. a raw material conveying pipe; 15. a fixed shaft; 16. an adjustment device; 1601. a housing; 1602. a sliding seat; 1603. an electric telescopic rod; 1604. fastening a bolt; 1605. a second groove; 1606. a connecting rod; 1607. a first rotating block; 1608. A second turning block; 1609. a chute; 17. a first blade; 18. a second blade; 19. a brush; 20. A second motor; 21. a second fixed platform; 22. a residual material collecting box; 23. a residue storage box; 24. a vacuum material pumping box; 25. a finished product feeding pipeline; 26. a material sucking port; 27. a vacuum pump; 28. the motor is driven by vacuum.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to the embodiment of the utility model, the rare earth oxide roasting device capable of adjusting the blanking speed is provided.

The utility model is further explained by combining the attached drawings and the detailed description, as shown in fig. 1-10, the rare earth oxide roasting device capable of adjusting the blanking speed according to the embodiment of the utility model comprises a roasting platform 1, wherein an installation cavity 2 is arranged at the top end of the roasting platform 1, a conveying plate 3 is arranged in the installation cavity 2, a refractory crucible 4 is arranged at the top end of the conveying plate 3, a plurality of groups of drying ovens 5 are arranged in the middle position of the top end of the roasting platform 1, a belt pulley II 6 is arranged on one side of the conveying plate 3, a belt 7 is sleeved on the outer side of the belt pulley II 6, a belt pulley I8 is sleeved at the bottom end of the belt 7, one side of the middle part of the belt pulley I8 is connected with an output shaft of a motor I9, a fixed platform I10 is arranged at the bottom end of the motor I9, and a control panel 11 (containing a PLC) is arranged on the front surface of the fixed platform I10; a plurality of supporting legs 12 are arranged on one side of the roasting platform 1, a raw material box 13 is arranged at the top ends of the supporting legs 12, a raw material conveying pipe 14 is arranged at the middle position of the bottom end of the raw material box 13, a fixed shaft 15 is arranged in the raw material conveying pipe 14, one end of the fixed shaft 15 is movably connected with the inner wall of the raw material conveying pipe 14, the other end of the fixed shaft 15 penetrates through the raw material conveying pipe 14 and is connected with an adjusting device 16 positioned on one side of the outer wall of the raw material conveying pipe 14, a first blade 17 and a second blade 18 are respectively sleeved on two sides of the fixed shaft 15, the first blade 17 is fixedly connected with the fixed shaft 15 through a plurality of first fixed blocks, and the second blade 18 is movably connected with the fixed shaft 15 through a plurality of second fixed blocks; one end of the roasting platform 1 is provided with a brush 19, one end of the brush 19 is connected with an output group of a second motor 20, the bottom end of the second motor 20 is provided with a second fixed platform 21, a surplus material collecting box 22 is arranged below the brush 19, and a surplus material storing box 23 is arranged on one side of the surplus material collecting box 22; a vacuum pumping box 24 is arranged on one side of the roasting platform 1, a finished product feeding pipeline 25 is arranged on one side of the top end of the vacuum pumping box 24, a suction port 26 is arranged at the bottom end of the finished product feeding pipeline 25, a vacuum pump 27 is arranged on the other side of the top end of the vacuum pumping box 24, and one side of the vacuum pump 27 is connected with an output shaft of a vacuum driving motor 28.

By means of the above technical scheme, thereby make and adopt this device can obviously improve the degree of automation of rare earth oxide calcination, reduce operating personnel working strength, improve operating personnel's operational environment, reduce the fault rate of production process, serialization productivity can obviously improve rare earth oxide's production efficiency, simultaneously under adjusting device 16's effect, through the size of adjusting the trompil aperture in the unloading process, the unloading speed of control unloading in-process tombarthite, thereby guarantee the stability of device operation in-process, prevent that the tombarthite discharge capacity is big, the overflow of refractory crucible 4 has been avoided, the utilization ratio of tombarthite has been guaranteed, simultaneously under the effect of brush, can clear up refractory crucible 4, and collect the tombarthite after will clearing up in clout collecting box 22, and finally convey to the clout storage box 23 in and save.

In one embodiment, for the transfer plate 3, a plurality of metal clamps 301 matched with the refractory crucibles 4 are uniformly arranged on the top end of the transfer plate 3, so that the refractory crucibles 4 are fixed on the transfer plate 3 through the metal clamps 301, thereby ensuring the stability of the operation of the refractory crucibles 4 on the transfer plate 3.

In one embodiment, for the refractory crucible 4, the middle part of the refractory crucible 4 is provided with a groove one 401, so that the rare earth conveyed in the raw material conveying pipe 14 is collected and dried by the oven 5 under the action of the groove one 401.

In one embodiment, for the above-mentioned adjusting device 16, the adjusting device 16 includes a housing 1601 disposed on an inner wall of the feedstock delivery pipe 14, a sliding seat 1602 is disposed on one side of the interior of the housing 1601, an electric expansion rod 1603 is disposed at one end of the sliding seat 1602, and one end of the electric expansion rod 1603 is fixedly connected to the inner wall of the housing 1601 by a plurality of fastening bolts 1604, a second groove 1605 is disposed on each of an inner top and an inner bottom of the sliding seat 1602, and a connecting rod 1606 is clamped inside the second groove 1605, a first rotating block 1607 is disposed on a front surface of the sliding seat 1602, and the first rotating block 1607 is fixedly connected to one end of the fixed shaft 15, one side of the first rotating block 1607 is connected to one end of the connecting rod 1606 far away from the second groove 1605, a second rotating block 1608 is disposed on a back surface of the sliding seat 1602, and one side of the second rotating block 1608 far away from the sliding seat 1602 is fixedly connected to the second fixed block, a sliding chute 1609 matched with the sliding seat 1601 is disposed on the inner wall of the housing 1601, therefore, under the action of the second fixed block, the second rotating block 1608 can better rotate, so that the stability of the second rotating block 1608 in the rotating process is ensured, and meanwhile, under the action of the sliding groove 1609, the second rotating block 1608 can better slide in a matching manner with the sliding seat 1602, so that the stability of the operation of the adjusting device 16 is ensured.

The operating principle of the adjusting device 16 is: the electric expansion rod 1603 is controlled and started through the control panel 11, the electric expansion rod 1603 moves to the left side under the action of an output shaft of the electric expansion rod 1603, so that the sliding seat 1602 is driven to move to the left side in the sliding groove 1609, the first rotating block 1607 is driven to rotate anticlockwise and the second rotating block 1608 is driven to rotate clockwise respectively under the matching action of the second groove 1605 and the connecting rod 1606, the first blade 17 is driven to rotate anticlockwise and the second blade 18 is driven to rotate clockwise under the action of the fixed shaft 15 and the first fixed block and the second fixed block respectively, the first blade 17 and the second blade 18 are driven to be in a horizontal state, the raw material conveying pipe 14 is driven to be in a closed state, when rare earth falls down from the top end of the raw material conveying pipe 14, the electric expansion rod 1603 is continuously controlled through the control panel 11, the output shaft of the electric expansion rod 1603 is controlled to move to the right side, the sliding seat 1602 is driven to move to the right side in the sliding groove 1609, thereby drive first rotating block 1607 clockwise rotation and second rotating block 1608 anticlockwise rotation respectively under the effect of recess two 1605 and connecting rod 1606 to open first blade 17 and second blade 18 gradually, and according to the unloading speed of tombarthite, adjust the inclination of first blade 17 and second blade 18, thereby come the unloading speed of regulation tombarthite.

In one embodiment, as for the first vane 17 and the second vane 18, the first vane 17 and the second vane 18 are both in a semicircular arc shape matched with the raw material conveying pipe 14, so that the first vane 17 and the second vane 18 can be matched with the raw material conveying pipe 14, and under the action of the adjusting device 16, the inclination angle of the first vane 17 and the second vane 18 is changed, so as to adjust the size of the opening of the raw material conveying pipe 14, and thus adjust the falling speed of the rare earth.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, firstly, the rare earth placed in the raw material box 13 is conveyed to the top ends of the first blade 17 and the second blade 18 through the raw material conveying pipe 14, at this time, the electric expansion rod 1603 is controlled and started through the control panel 11, the electric expansion rod 1603 is moved to the left side under the action of the output shaft of the electric expansion rod 1603, so that the sliding seat 1602 is driven to move to the left in the sliding groove 1609, the first rotating block 1607 is driven to rotate anticlockwise and the second rotating block 1608 is driven to rotate clockwise under the cooperation of the second groove 1605 and the connecting rod 1606, the first blade 17 is driven to rotate anticlockwise and the second blade 18 is driven to rotate clockwise under the action of the fixed shaft 15, the first blade 17 and the second blade 18 are in a horizontal state, the raw material conveying pipe 14 is in a closed state, when the top end of the raw material conveying pipe 14 has the rare earth falling down, continue to control electric telescopic handle 1603 through control panel 11, move to the right side at the output shaft of control electric telescopic handle 1603, drive sliding seat 1602 just moves to the right in spout 1609 to drive first turning block 1607 clockwise rotation and second turning block 1608 anticlockwise rotation respectively under the effect of recess two 1605 and connecting rod 1606, thereby open first blade 17 and second blade 18 gradually, and according to the unloading speed of tombarthite, adjust the inclination of first blade 17 and second blade 18, thereby adjust the unloading speed of tombarthite.

In conclusion, by means of the technical scheme of the utility model, the device can obviously improve the automation degree of rare earth oxide roasting, reduce the working strength of operators, improve the working environment of the operators, reduce the fault rate of the production process, and improve the production efficiency of the rare earth oxide by continuous production capacity, and meanwhile, under the action of the adjusting device 16, the blanking speed of the rare earth in the blanking process is controlled by adjusting the size of the pore diameter of the open pore in the blanking process, so that the stability of the device in the operation process is ensured, the rare earth discharge amount is prevented from being large, the overflow of the refractory crucible 4 is avoided, the utilization rate of the rare earth is ensured, and meanwhile, under the action of the brush, the refractory crucible 4 can be cleaned, and the cleaned rare earth is collected in the excess material collecting box 22 and finally conveyed to the excess material storing box 23 for storage.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. A rare earth oxide roasting device capable of adjusting blanking speed comprises a roasting platform (1), wherein a mounting cavity (2) is formed in the top end of the roasting platform (1), a conveying plate (3) is arranged in the mounting cavity (2), a refractory crucible (4) is arranged at the top end of the conveying plate (3), and a plurality of groups of drying ovens (5) are arranged in the middle of the top end of the roasting platform (1);

one side of the conveying plate (3) penetrates through the roasting platform (1) to be provided with a second belt pulley (6), a belt (7) is sleeved on the outer side of the second belt pulley (6), a first belt pulley (8) is sleeved at the bottom end of the belt (7), one side of the middle of the first belt pulley (8) is connected with an output shaft of a first motor (9), a first fixed platform (10) is arranged at the bottom end of the first motor (9), and a control panel (11) is arranged on the front side of the first fixed platform (10);

a plurality of supporting legs (12) are arranged on one side of the roasting platform (1), a raw material box (13) is arranged at the top ends of the supporting legs (12), a raw material conveying pipe (14) is arranged in the middle of the bottom end of the raw material box (13), a fixed shaft (15) is arranged in the raw material conveying pipe (14), and one end of the fixed shaft (15) is movably connected with the inner wall of the raw material conveying pipe (14), the other end of the fixed shaft (15) penetrates through the raw material conveying pipe (14) and is connected with an adjusting device (16) positioned on one side of the outer wall of the raw material conveying pipe (14), a first blade (17) and a second blade (18) are respectively sleeved on two sides of the fixed shaft (15), and the first blades (17) are fixedly connected with the fixed shaft (15) through a plurality of first fixed blocks, the second blades (18) are movably connected with the fixed shaft (15) through a plurality of second fixed blocks;

a brush (19) is arranged at one end of the roasting platform (1), one end of the brush (19) is connected with an output group of a second motor (20), a second fixed platform (21) is arranged at the bottom end of the second motor (20), a residual material collecting box (22) is arranged below the brush (19), and a residual material storage box (23) is arranged on one side of the residual material collecting box (22);

roasting platform (1) one side is provided with vacuum box (24) of taking out, vacuum box (24) top one side of taking out is provided with finished product conveying pipeline (25), finished product conveying pipeline (25) bottom is provided with inhales material mouth (26), vacuum box (24) top opposite side of taking out is provided with vacuum pump (27), vacuum pump (27) one side and the output shaft of vacuum driving motor (28).

2. Rare earth oxide roasting device with adjustable blanking speed according to claim 1, characterized in that the top of the transfer plate (3) is uniformly provided with a plurality of metal clamps (301) which are matched with the refractory crucible (4).

3. The rare earth oxide roasting device with adjustable blanking speed according to claim 1 or 2, characterized in that the middle of the refractory crucible (4) is provided with a first groove (401).

4. The rare earth oxide roasting device capable of adjusting the blanking speed according to claim 1, wherein the adjusting device (16) comprises a housing (1601) arranged on the inner wall of the raw material conveying pipe (14), a sliding seat (1602) is arranged on one side inside the housing (1601), one end of the sliding seat (1602) is provided with an electric telescopic rod (1603), one end of the electric telescopic rod (1603) is fixedly connected with the inner wall of the housing (1601) through a plurality of fastening bolts (1604), a second groove (1605) is arranged on each of the inner top and the inner bottom of the sliding seat (1602), a connecting rod (1606) is clamped inside the second groove (1605), a first rotating block (1607) is arranged on the front surface of the sliding seat (1602), and the first rotating block (1607) is fixedly connected with one end of the fixed shaft (15), one side of the first rotating block (1607) is connected with one end, far away from the second groove (1605), of the connecting rod (1606), a second rotating block (1608) is arranged on the back face of the sliding seat (1602), and one side, far away from the sliding seat (1602), of the second rotating block (1608) is fixedly connected with the second fixed block.

5. The rare earth oxide roasting device with adjustable blanking speed of claim 4, wherein the inner wall of the housing (1601) is provided with a sliding groove (1609) matched with the sliding seat (1602).

6. The rare earth oxide roasting device with adjustable blanking speed of claim 1 or 2, characterized in that the first blade (17) and the second blade (18) are both in the shape of a semicircular arc matched with the raw material conveying pipe (14).

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