Multistage magnetic separation device for silicon carbide

Abstract

An impurity removal mechanism further comprises a supporting shell, a collecting hopper is arranged on the top face of the supporting shell, magnetic suction rollers are rotationally connected to the two sides of the inner wall of the supporting shell, and the two magnetic suction rollers are located below the collecting hopper. The top of each magnetic suction roller is fixedly connected with a driven gear. A rotating ring is rotationally connected to the inner wall of the supporting shell and located on the outer side of the driven gear, one end of the inner wall of the supporting shell and a first motor are fixedly installed, an output shaft of the first motor is fixedly connected with a driving gear, and the side edge of the driving gear is connected with a protruding block on the outer side of the rotating ring in a meshed mode; the side edge of the driven gear is connected with a protruding block on the inner side of the rotating ring in a meshed mode, when silicon carbide passes through the magnetic roller, the magnetic roller adsorbs magnetic impurities, under driving of the first motor, the magnetic roller rotates and drives the impurities to be transferred to the scraper, and the scraper cleans the surface of the magnetic roller.

Description

TECHNICAL FIELD

[0001] The utility model relates to silicon carbide production technical field, concretely relates to a silicon carbide multistage magnetic separation device. BACKGROUND

[0002] Silicon carbide magnetic separation is a method for separating and purifying silicon carbide material, which is realized by using the magnetic difference. Silicon carbide is widely used in electronic devices, abrasives and refractory materials due to its high hardness, high temperature resistance and strong chemical stability. The magnetic separation technology separates the magnetic impurities in silicon carbide by applying a magnetic field, thereby improving the purity and quality of silicon carbide.

[0003] In the prior art, in order to ensure the separation effect of magnetic impurities, the silicon carbide needs to be sieved multiple times, and the steps of collecting and transporting the silicon carbide are relatively cumbersome, which not only hinders the improvement of continuous sieving efficiency but also wastes labor. Therefore, a silicon carbide multistage magnetic separation device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is as follows: the steps of collecting and transporting the silicon carbide are relatively cumbersome, which not only hinders the improvement of continuous sieving efficiency but also wastes labor.

[0005] The purpose of the utility model can be achieved by the following technical solutions:

[0006] A silicon carbide multistage magnetic separation device, comprising a dedusting mechanism, a feeding mechanism is arranged at the upper end of the dedusting mechanism, a circulating mechanism is arranged at the side of the dedusting mechanism, the dedusting mechanism comprises a motor one, the feeding mechanism comprises a motor two, and the circulating mechanism comprises a motor three.

[0007] Further comprising:

[0008] The dedusting mechanism further comprises a supporting shell, a material collecting hopper is formed in the top surface of the supporting shell, magnetic attraction rollers are rotatably connected to the inner walls of the supporting shell on both sides, the two magnetic attraction rollers are located below the material collecting hopper, and a driven gear is fixedly connected to the top of each magnetic attraction roller.

[0009] Among them, the inner wall of the supporting shell and located outside the driven gear is rotatably connected with a rotating ring, the inner wall and the outer wall of the rotating ring are fixedly connected with a plurality of protrusions, and the protrusions on the surface of the rotating ring are equidistantly arranged.

[0010] Among them, one end of the inner wall of the supporting shell is fixedly installed with the motor one, the output shaft of the motor one is fixedly connected with a driving gear, the side of the driving gear is meshed and connected with the protrusions outside the rotating ring, and the side of the driven gear is meshed and connected with the protrusions inside the rotating ring.

[0011] As a further scheme of the utility model: the inner wall of the supporting shell and close to the magnetic attraction roller place fixed installation has scraper, the length direction of the scraper is consistent with the length direction of the magnetic attraction roller, the outer wall side of the scraper is in abutment with the magnetic attraction roller.

[0012] As a further scheme of the utility model: the inner wall of the supporting shell and be located below the scraper is equipped with the miscellaneous warehouse, the inner wall of the miscellaneous warehouse is connected with the collecting box, the bottom of the inner wall of the supporting shell is equipped with the circulation warehouse, the inside of the circulation warehouse is connected with the inside of the material collecting hopper.

[0013] As a further scheme of the utility model: the inner wall of the supporting shell and be located below the circulation warehouse is rotatably connected with the baffle, the inner wall of the supporting shell one end is rotatably connected with the fixed shaft, the one end of the fixed shaft is connected with the baffle, the other end of the fixed shaft extends to the outside of the supporting shell, and the outside end of the fixed shaft is fixedly connected with the handle.

[0014] As a further scheme of the utility model: the inner wall of the supporting shell is rotatably connected with the rotary disc, both ends of the side of the rotary disc are equipped with the feeding slot, the rotary disc is located between the material collecting hopper and the magnetic attraction roller, one end of the outer wall of the supporting shell is fixedly installed with motor two, the output shaft of motor two is fixedly connected with the middle part of the rotary disc.

[0015] As a further scheme of the utility model: the inner wall of the supporting shell one side fixed installation has the material conveying pipe, the top of the material conveying pipe extends to the above of the supporting shell, and the top of the material conveying pipe is rotatably connected with the upper pipe, the lower end of the upper pipe is towards the material collecting hopper, the bottom of the material conveying pipe is located in the inside of the circulation warehouse, and the bottom of the material conveying pipe is rotatably connected with the lower pipe.

[0016] As a further scheme of the utility model: the top of the material conveying pipe is rotatably connected with motor three, the output shaft of motor three penetrates into the material conveying pipe, the output shaft of motor three is fixedly connected with the material conveying screw, and the bottom of the material conveying screw is rotatably connected with the inner wall of the material conveying pipe.

[0017] The utility model discloses the beneficial effect:

[0018] The utility model discloses the collection of the carbonized silicon of the carbonized silicon that is to be removed by the material collecting hopper, and the carbonized silicon in the material collecting hopper falls into the circulation warehouse after the magnetic attraction roller, when the carbonized silicon passes through the magnetic roller, the magnetic roller adsorbs the magnetic impurity, and under the drive of motor one, the magnetic attraction roller rotates and drives the impurity to remove to the scraper, and the scraper cleans the surface of the magnetic attraction roller and peels the impurity adsorbed on the surface, and the peeled impurity is collected in the miscellaneous warehouse.

[0019] The feeding mechanism is arranged below the collecting hopper, a rotating disc driven by a motor rotates below the collecting hopper, the feeding groove at the side of the rotating disc quantitatively collects silicon carbide, the feeding groove rotates along with the rotating disc and quantitatively feeds the silicon carbide to the magnetic roller, so that the magnetic roller does not contact excessive silicon carbide at one time, and then the actual magnetic separation effect is affected;

[0020] The circulating mechanism transfers the silicon carbide in the circulating bin to the collecting hopper, so that the silicon carbide is subjected to the magnetic roller and magnetic separation for multiple times, and the purity and quality of the silicon carbide after the magnetic separation are improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be further described below in combination with the drawings.

[0022] Figure 1 It is the whole sectional view structure schematic diagram of the utility model;

[0023] Figure 2 It is the whole structure schematic diagram of the utility model;

[0024] Figure 3 It is the whole structure schematic diagram of the utility model in the rotating ring;

[0025] Figure 4 It is the schematic diagram of the rear view structure of the handle in the utility model;

[0026] Figure 5 It is Figure 1 The enlarged structure schematic diagram of A area of

[0027] Figure 6 It is Figure 1 The enlarged structure schematic diagram of B area of

[0028] In the drawing: 1, impurity removal mechanism;101, support shell;102, collecting hopper;103, scraper;104, magnetic roller;105, driven gear;106, rotating ring;107, motor one;108, driving gear;109, collecting bin;110, collection box;111, baffle;112, handle;113, fixed shaft;114, circulating bin;2, feeding mechanism;201, motor two;202, rotating disc;203, feeding groove;3, circulating mechanism;301, feed pipe;302, lower pipe opening;303, upper pipe opening;304, motor three;305, feed screw. DETAILED DESCRIPTION

[0029] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] As shown in Figures 1-6 , a silicon carbide multi-stage magnetic separation device, including a dedusting mechanism 1, the upper end of the dedusting mechanism 1 is provided with a feeding mechanism 2, the side of the dedusting mechanism 1 is provided with a circulating mechanism 3, the dedusting mechanism 1 includes a motor one 107, the feeding mechanism 2 includes a motor two 201, the circulating mechanism 3 includes a motor three 304; further comprising: the dedusting mechanism 1 further comprises a supporting shell 101, the top surface of the supporting shell 101 is provided with a collecting hopper 102, the inner wall of the supporting shell 101 is rotatably connected with a magnetic roller 104 on both sides, the two magnetic rollers 104 are located below the collecting hopper 102, the top of each magnetic roller 104 is fixedly connected with a driven gear 105; wherein, the inner wall of the supporting shell 101 and located outside the driven gear 105 is rotatably connected with a rotating ring 106, the inner wall and the outer wall of the rotating ring 106 are fixedly connected with a plurality of protrusions, and the protrusions on the surface of the rotating ring 106 are equidistantly arranged; wherein, one end of the inner wall of the supporting shell 101 is fixedly installed with the motor one 107, the output shaft of the motor one 107 is fixedly connected with a driving gear 108, the side of the driving gear 108 is meshed and connected with the protrusions outside the rotating ring 106, the side of the driven gear 105 is meshed and connected with the protrusions inside the rotating ring 106, as shown in Figure 1 、 Figure 3 、 Figure 5 , the driving gear 108 drives the rotating ring 106 to rotate, so that the rotating ring 106 drives the two driving gears 105 inside to rotate at the same time;

[0031] The inner wall of the supporting shell 101 and close to the magnetic roller 104 is fixedly installed with a scraper 103, the length direction of the scraper 103 is consistent with the length direction of the magnetic roller 104, the outer wall side of the scraper 103 abuts against the magnetic roller 104, as shown in Figure 1 、 Figure 6 , when the magnetic roller 104 rotates, the scraper 103 gradually scrapes off the impurities along the surface of the magnetic roller 104;

[0032] The inner wall of the supporting shell 101 is provided with a collecting bin 109 below the scraper 103, the inner wall of the collecting bin 109 is slidably connected with a collecting box 110, the bottom of the inner wall of the supporting shell 101 is provided with a circulating bin 114, the inside of the circulating bin 114 is connected with the inside of the collecting hopper 102, the inner wall of the supporting shell 101 is rotatably connected with a baffle 111 below the circulating bin 114, one end of the inner wall of the supporting shell 101 is slidably connected with a fixed shaft 113, one end of the fixed shaft 113 is clampedly connected with the baffle 111, the other end of the fixed shaft 113 extends to the outside of the supporting shell 101, and the outside end of the fixed shaft 113 is fixedly connected with a handle 112, as shown in Figures 1-2 、 Figure 4 The baffle 111 rotates to guide the materials in the circulating bin 114 out, and the rotation of the baffle 111 is blocked after the handle 112 is inserted into the baffle 111;

[0033] The inner wall of the supporting shell 101 is rotatably connected with a rotating disc 202, both ends of the side of the rotating disc 202 are provided with a feeding groove 203, the rotating disc 202 is located between the collecting hopper 102 and the magnetic roller 104, one end of the outer wall of the supporting shell 101 is fixedly installed with a motor two 201, the output shaft of the motor two 201 is fixedly connected with the middle part of the rotating disc 202, as shown in Figures 1-2 The feeding groove 203 feeds the silicon carbide from the collecting hopper 102 into the inside of the circulating bin 114 in batches;

[0034] One side of the inner wall of the supporting shell 101 is fixedly installed with a feeding pipe 301, the top end of the feeding pipe 301 extends to the upper side of the supporting shell 101, the top side of the feeding pipe 301 is throughly connected with an upper pipe opening 303, the lower end of the upper pipe opening 303 faces the collecting hopper 102, the bottom of the feeding pipe 301 is located in the inside of the circulating bin 114, the bottom end of the feeding pipe 301 is provided with a lower pipe opening 302, the middle of the top of the feeding pipe 301 is fixedly installed with a motor three 304, the output shaft of the motor three 304 penetrates into the feeding pipe 301 downward, the output shaft of the motor three 304 is fixedly connected with a feeding spiral 305, the bottom of the feeding spiral 305 is rotatably connected with the bottom of the inner wall of the feeding pipe 301, as shown in Figures 1-2 The motor three 304 drives the feeding spiral 305 to rotate, and the feeding spiral 305 pushes the materials to ascend along the feeding pipe 301;

[0035] The working principle of the utility model:

[0036] In use, the silicon carbide to be removed of impurities is poured into the collecting hopper 102, then the silicon carbide is filled into the feeding groove 203, the motor two 201 drives the rotating disc 202 to rotate, so that the feeding groove 203 pours the silicon carbide into the circulating bin 114, the silicon carbide contacts the magnetic attraction roller 104 during falling, the magnetic attraction roller 104 adsorbs the magnetic impurities in the silicon carbide, the motor one 107 drives the driving gear 108 to rotate, so as to push the convex block on the outside and drive the rotating ring 106 to rotate, the convex block on the inside of the rotating ring 106 pushes the driven gear 105 and the magnetic attraction roller 104 to rotate, then the magnetic roller 104 moves the impurities to above the collecting bin 109, and the impurities are stripped by the scraper 103;

[0037] Secondly, the motor three 304 drives the feeding spiral 305 to rotate, the silicon carbide enters the feeding pipe 301 from the lower pipe opening 302 and is gradually lifted by the feeding spiral 305, and finally the silicon carbide is input into the collecting hopper 102 from the upper pipe opening 303 for secondary magnetic separation.

[0038] The above describes one embodiment of the utility model in detail, but the content described can only be the preferred embodiment of the utility model and cannot be considered as limiting the implementation scope of the utility model. Any equivalent change and improvement within the scope of the utility model application should still belong to the patent coverage scope of the utility model.

Claims

1. A silicon carbide multi-stage magnetic separation device, comprising a impurity removal mechanism (1), the upper end of the impurity removal mechanism (1) is provided with a feeding mechanism (2), the side of the impurity removal mechanism (1) is provided with a circulating mechanism (3), the impurity removal mechanism (1) comprises a motor one (107), the feeding mechanism (2) comprises a motor two (201), and the circulating mechanism (3) comprises a motor three (304); characterized in that Further comprising: The impurity removal mechanism (1) further comprises a supporting shell (101), the top surface of the supporting shell (101) is provided with a collecting hopper (102), the inner wall of the supporting shell (101) is rotatably connected with a magnetic attraction roller (104) on both sides, both the magnetic attraction rollers (104) are located below the collecting hopper (102), and the top of each magnetic attraction roller (104) is fixedly connected with a driven gear (105); Wherein, the inner wall of the supporting shell (101) and located outside the driven gear (105) is rotatably connected with a rotating ring (106), the inner wall and the outer wall of the rotating ring (106) are fixedly connected with a plurality of protrusions, and the protrusions on the surface of the rotating ring (106) are equidistantly arranged; Wherein, one end of the inner wall of the supporting shell (101) is fixedly installed with the motor one (107), the output shaft of the motor one (107) is fixedly connected with a driving gear (108), the side of the driving gear (108) is meshed with the protrusions outside the rotating ring (106), and the side of the driven gear (105) is meshed with the protrusions inside the rotating ring (106).

2. A multi-stage magnetic separation device for silicon carbide according to claim 1, characterized in that, The inner wall of the supporting shell (101) and close to the magnetic attraction roller (104) is fixedly installed with a scraper (103), the length direction of the scraper (103) is consistent with the length direction of the magnetic attraction roller (104), and the outer wall side of the scraper (103) abuts against the magnetic attraction roller (104).

3. A multi-stage magnetic separation device for silicon carbide according to claim 1, wherein The inner wall of the supporting shell (101) and located below the scraper (103) is provided with a collecting bin (109), the inner wall of the collecting bin (109) is slidably connected with a collecting box (110), and the bottom of the inner wall of the supporting shell (101) is provided with a circulating bin (114), and the inside of the circulating bin (114) is in through connection with the inside of the collecting hopper (102).

4. A multi-stage magnetic separation device for silicon carbide according to claim 1, wherein The inner wall of the supporting shell (101) and located below the circulating bin (114) is rotatably connected with a baffle (111), one end of the inner wall of the supporting shell (101) is slidably connected with a fixed shaft (113), one end of the fixed shaft (113) is clampedly connected with the baffle (111), the other end of the fixed shaft (113) extends to the outside of the supporting shell (101), and the outside end of the fixed shaft (113) is fixedly connected with a handle (112).

5. A multi-stage magnetic separation device for silicon carbide according to claim 1, wherein The inner wall of the supporting shell (101) is rotatably connected with a rotating disc (202), both ends of the side edge of the rotating disc (202) are provided with a feeding groove (203), the rotating disc (202) is located between the collecting hopper (102) and the magnetic roller (104), one end of the outer wall of the supporting shell (101) is fixedly installed with a motor two (201), and the output shaft of the motor two (201) is fixedly connected with the middle part of the rotating disc (202).

6. A multi-stage magnetic separation device for silicon carbide according to claim 1, wherein One side of the inner wall of the supporting shell (101) is fixedly installed with a feeding pipe (301), the top end of the feeding pipe (301) extends above the supporting shell (101), one side of the top of the feeding pipe (301) is throughly connected with an upper pipe opening (303), the lower end of the upper pipe opening (303) faces the collecting hopper (102), the bottom of the feeding pipe (301) is located inside the circulating bin (114), and one end of the bottom of the feeding pipe (301) is provided with a lower pipe opening (302).

7. A multi-stage magnetic separation device for silicon carbide according to claim 6, wherein The middle of the top of the feeding pipe (301) is fixedly installed with a motor three (304), the output shaft of the motor three (304) penetrates into the feeding pipe (301) downward, the output shaft of the motor three (304) is fixedly connected with a feeding spiral (305), and the bottom of the feeding spiral (305) is rotatably connected with the bottom of the inner wall of the feeding pipe (301).

Images