Crushing and feeding device for permanent magnetic ferrite raw materials

Abstract

The utility model provides a crushing and feeding device for permanent magnetic ferrite raw materials, and belongs to the field of permanent magnets. A discharging barrel is arranged at the upper end of the supporting rack, a vibration disc is arranged at the lower end of the supporting rack, a discharging space is formed in the vibration disc, a plurality of preliminary powder suction pipes are arranged on the side edge of the discharging space, a discharging device is connected to an outlet of the vibration disc, a material conveying channel is formed in the discharging device, and a powder removing structure is arranged in the material conveying channel. The dust removal device has the advantages that when materials vibrate on the vibration disc, dust in a material pile can be scattered in the air along with vibration, part of the dust is sucked through suction of the preliminary dust suction pipe, and when the materials pass through the interior of the material conveying channel, the remaining dust is further sucked and discharged through the dust removal structure.

Description

TECHNICAL FIELD

[0001] The utility model belongs to permanent magnet field especially relates to a kind of crushing of permanent magnet ferrite raw material feeding device. BACKGROUND

[0002] Magnetic material is the basic functional material of electronic industry. Permanent magnet material, as an important component of magnetic material, plays an important role in electronic industry, information industry, motorcycle, power tool industry, automobile industry and other industries. Permanent magnet ferrite material is a functional material that generates magnetic field.

[0003] Permanent magnet ferrite is made of SrO or BaO and Fe2O3 as raw material, and the production process includes batching, pre-sintering, grinding, powder making, dry pressing magnetic field forming / dry pressing forming / wet pressing magnetic field forming, sintering, machining, testing and packaging steps. Before batching, the raw iron is crushed into small particles, then screened to remove powders with unsuitable particle size, and the surface of the raw iron is covered with more impurities and dust, which needs to be removed.

[0004] For example, a raw material mixing and feeding device for producing permanent magnet ferrite is disclosed in Chinese patent literature [Patent Application No. CN202222334883.2], which includes a mixing box, a flow forming structure and a plurality of injection structures are arranged outside the mixing box, the injection structure includes a storage box and a centrifugal suction fan, the input and output ends of the centrifugal suction fan are connected with a feeding air pipe and a discharge air pipe respectively, the discharge air pipe extends into the inside of the mixing box, the feeding air pipe extends to the inside bottom end position of the storage box, a supporting plate is arranged at the lower end of the storage box, a plurality of weight sensors are installed on the upper end of the supporting plate in a ring-shaped distribution, and the probe of each weight sensor is installed on the lower surface of the storage box. UTILITY MODEL CONTENTS

[0005] The utility model aims at the above problems, and provides a kind of crushing of permanent magnet ferrite raw material feeding device.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A kind of crushing of permanent magnet ferrite raw material feeding device, including support frame, the upper end of support frame is equipped with discharging cylinder, the lower end of support frame is equipped with vibrating disc, the vibrating disc is equipped with discharging space, the side of discharging space is equipped with a plurality of preliminary powder suction pipes, the outlet of vibrating disc is connected with discharging device, the discharging device is equipped with transmission channel, the transmission channel has powder removal structure, the outlet of transmission channel is connected with conveying belt.

[0008] In the crushing and feeding device for permanent magnet ferrite raw material, the powder removing structure comprises a plurality of powder removing pipes communicated with the material conveying channel, and the inner wall of the lower side of the material conveying channel is provided with a powder removing belt arranged in the discharging device, and the moving direction of the powder removing belt is opposite to the moving direction of the material.

[0009] In the crushing and feeding device for permanent magnet ferrite raw material, a plurality of strip pushing and jumping strips are arranged on the powder removing belt.

[0010] In the crushing and feeding device for permanent magnet ferrite raw material, the inner side of the discharging space is provided with a discharging surface protruding from the discharging space, the discharging surface is inclined, the horizontal height of the side of the discharging surface close to the discharging space is lower than the horizontal height of the center of the discharging surface, and the outlet of the discharging cylinder is located above the center of the discharging surface.

[0011] In the crushing and feeding device for permanent magnet ferrite raw material, the support frame is provided with a support rod located above the discharging surface, the support rod is provided with a sweeping disc rotating motor, the output shaft of the sweeping disc rotating motor extends downward and is rotationally connected with the center of the discharging surface, and the output shaft of the rotating sweeping disc rotating motor is provided with a sweeping disc rod slidingly connected with the discharging surface.

[0012] In the crushing and feeding device for permanent magnet ferrite raw material, the upper side of the sweeping disc rotating motor is provided with a protective cover arranged on the support rod.

[0013] In the crushing and feeding device for permanent magnet ferrite raw material, the outlet of the discharging cylinder is further provided with an intermittent discharging structure.

[0014] In the crushing and feeding device for permanent magnet ferrite raw material, the intermittent discharging structure comprises a rotating block rotating in the outlet, and at least one placing groove is arranged in the rotating block, when the placing groove is placed upward, the material falls into the placing groove, and when the placing groove is placed downward, the material in the placing groove falls.

[0015] In the crushing and feeding device for permanent magnet ferrite raw material, two placing grooves are arranged on the rotating block and are arranged opposite to each other.

[0016] In the crushing and feeding device for permanent magnet ferrite raw material, the two sides of the conveying belt are provided with baffle plates.

[0017] Compared with the prior art, the crushing and feeding device for permanent magnet ferrite raw material has the following advantages:

[0018] 1. When the material vibrates on the vibrating plate, the dust in the material pile will be scattered into the air with the vibration. Some of the dust is absorbed by the initial dust suction pipe. When the material passes through the material conveying channel, the remaining dust is further absorbed and discharged by the dust removal structure.

[0019] 2. The direction of movement of the dust removal belt is opposite to the direction of material falling, which will cause the material to roll and prolong the residence time of the material in the material conveying channel. As the material rolls, the dust on the surface of the material will be scattered into the air, and the dust in the material will be further absorbed by the suction of the dust removal pipe.

[0020] 3. The push bar can make the material jump further, which will shake off more dust and further absorb the dust in the material.

[0021] 4. The material falling from the discharge cylinder will fall onto the discharge surface. Under the guiding action of the inclined discharge surface, the vibration of the vibrating plate, and the rotation of the sweeping rod, the material will gradually fall into the discharge space, preventing the material from stagnating on the discharge surface for a long time.

[0022] 5. The discharge hopper drops the material into the discharge space. The intermittent discharge structure allows the material to fall into the discharge space intermittently. The next discharge is carried out when the material in the discharge space is almost processed, which prevents the material in the discharge space from being too much and causing poor dust removal effect. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure;

[0024] Figure 2 This is an enlarged schematic diagram of the discharge device;

[0025] Figure 3 This is a schematic diagram of the block transition;

[0026] Figure 4 This is a plan view of the supporting frame.

[0027] In the figure: support frame 10, feeding cylinder 11, vibrating plate 12, feeding space 13, initial powder suction pipe 14, discharge device 15, material transfer channel 16, powder removal structure 17, conveyor belt 18, powder removal pipe 19, powder removal belt 20, push bar 21, feeding surface 22, support rod 23, sweeping disc rotating motor 24, sweeping disc rod 25, protective cover 26, outlet 27, intermittent discharge structure 28, rotating block 29, placement trough 30, baffle 31. Detailed Implementation

[0028] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0029] This utility model provides a crushing and feeding device for permanent magnet ferrite raw materials, combined withFigures 1-4 As shown, it comprises a support frame 10, the upper end of which is provided with a feeding cylinder 11, and the lower end of which is provided with a vibrating disc 12, the inside of which is provided with a discharging space 13, the side of which is provided with a plurality of preliminary powder suction pipes 14, the outlet of the vibrating disc 12 is connected with a discharging device 15, the inside of which is provided with a material conveying channel 16, the inside of which is provided with a powder removing structure 17, and the outlet of the material conveying channel 16 is connected with a conveying belt 18.

[0030] In this embodiment, the raw iron is broken into raw iron particles and then poured into the feeding cylinder 11, the feeding cylinder 11 pours the material into the vibrating disc 12, the vibrating disc 12 works to generate vibration, the material falls into the discharging space 13 and moves towards the outlet of the vibrating disc 12 and finally falls into the discharging device 15, and finally falls into the conveying belt 18 through the material conveying channel 16, when the material is vibrated in the vibrating disc 12, the dust in the material pile will be scattered in the air with the vibration, a part of the dust will be absorbed through the suction of the preliminary powder suction pipe 14, and the remaining dust will be further absorbed and discharged through the powder removing structure 17 when the material passes through the material conveying channel 16.

[0031] The powder removing structure 17 comprises a plurality of powder removing pipes 19 which are in communication with the material conveying channel 16, and the lower inner wall of the material conveying channel 16 is provided with a powder removing belt 20 which is arranged in the discharging device 15, and the moving direction of the powder removing belt 20 is opposite to the moving direction of the material.

[0032] In this embodiment, when the material passes through the material conveying channel 16, the moving direction of the powder removing belt 20 is opposite to the falling direction of the material, which will promote the rolling of the material and prolong the residence time of the material in the material conveying channel 16, with the rolling of the material, the dust on the surface of the material will be scattered in the air, and the dust in the material will be further absorbed through the suction of the powder removing pipe 19.

[0033] The powder removing belt 20 is provided with a plurality of strip pushing and jumping strips 21.

[0034] In this embodiment, the pushing and jumping strips 21 can make the material further jump, which will shake off more dust, and the dust in the material will be further absorbed.

[0035] The inside of the discharging space 13 is provided with a discharging surface 22 which is convexly arranged on the discharging space 13, the discharging surface 22 is inclined, the horizontal height of the side of the discharging surface 22 close to the discharging space 13 is lower than the horizontal height of the center of the discharging surface 22, and the outlet of the feeding cylinder 11 is located above the center of the discharging surface 22.

[0036] In the embodiment, the material dropped from the feeding cylinder 11 falls on the discharging surface 22, and under the inclined guiding action of the discharging surface 22 and the vibration of the vibrating disc 12, the material gradually falls into the discharging space 13.

[0037] The support frame 10 is provided with a support rod 23 above the discharging surface 22, the support rod 23 is provided with a sweeping disc rotating motor 24, the output shaft of the sweeping disc rotating motor 24 extends downward and is rotationally connected with the center of the discharging surface 22, and the output shaft of the rotating sweeping disc rotating motor 24 is provided with a sweeping disc rod 25 in sliding connection with the discharging surface 22.

[0038] In the embodiment, the material dropped from the feeding cylinder 11 falls on the discharging surface 22, and under the inclined guiding action of the discharging surface 22 and the vibration of the vibrating disc 12 and the rotation of the sweeping disc rod 25, the material gradually falls into the discharging space 13, preventing the material from stagnating on the discharging surface 22 for a long time.

[0039] The sweeping disc rotating motor 24 is provided with a protective cover 26 arranged on the support rod 23.

[0040] In the embodiment, the protective cover 26 is used to protect the sweeping disc rotating motor 24 since the material falls directly above the sweeping disc rotating motor 24.

[0041] The outlet 27 of the feeding cylinder 11 is further provided with an intermittent discharging structure 28.

[0042] In the embodiment, the feeding cylinder 11 drops the material into the discharging space 13, and the intermittent discharging structure 28 is used to make the material drop into the discharging space 13 intermittently, so that the next feeding is performed when the material in the discharging space 13 is almost processed, preventing the poor dust removal effect caused by too much material in the discharging space 13.

[0043] The intermittent discharging structure 28 comprises a rotating block 29 rotating in the outlet 27, and at least one placement groove 30 is arranged in the rotating block 29, when the placement groove 30 is placed upward, the material falls into the placement groove 30, and when the placement groove 30 is placed downward, the material in the placement groove 30 falls

[0044] The rotating block 29 is provided with two placement grooves 30, and the two placement grooves 30 are oppositely placed.

[0045] In the embodiment, one of the two placement grooves 30 is placed downward, and the other is placed upward, and the two placement grooves 30 alternately drop the material.

[0046] The two sides of the conveying belt 18 are provided with baffle plates 31.

[0047] In the embodiment, the baffle 31 can prevent the material falling from the material conveying passage 16 to the conveying belt 18 from falling outside the conveying belt 18.

[0048] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0049] Although the support frame 10, the material placing cylinder 11, the vibrating disc 12, the material discharging space 13, the preliminary powder suction pipe 14, the material discharging device 15, the material conveying passage 16, the powder removing structure 17, the conveying belt 18, the powder removing pipe 19, the powder removing belt 20, the push jump strip 21, the material discharging surface 22, the support rod 23, the disc sweeping rotating motor 24, the disc sweeping rod 25, the protective cover 26, the outlet 27, the intermittent material discharging structure 28, the rotating block 29, the placing groove 30, the baffle 31 and the like are used more frequently herein, the use of these terms is only for more conveniently describing and explaining the essence of the present application; it is contrary to the spirit of the present application to interpret them as any kind of additional limitation.

Claims

1. A crushing and feeding device for permanent magnet ferrite raw material, comprising a supporting frame (10), characterized in that, The upper end of the support frame (10) is provided with a feeding cylinder (11), the lower end of the support frame (10) is provided with a vibrating disc (12), the vibrating disc (12) is internally provided with a discharging space (13), the side of the discharging space (13) is provided with a plurality of preliminary powder suction pipes (14), the outlet of the vibrating disc (12) is connected with a discharging device (15), the discharging device (15) is internally provided with a material conveying channel (16), the material conveying channel (16) is internally provided with a powder removing structure (17), and the outlet of the material conveying channel (16) is connected with a conveying belt (18).

2. The crushing and feeding device for permanent ferrite raw material according to claim 1, characterized in that, The powder removing structure (17) comprises a plurality of powder removing pipes (19) in communication with the material conveying channel (16), and the lower side inner wall of the material conveying channel (16) is provided with a powder removing belt (20) arranged in the discharging device (15); the moving direction of the powder removing belt (20) is opposite to the moving direction of the material.

3. The crushing and feeding device for permanent ferrite raw material according to claim 2, characterized in that, A plurality of strip pushing and jumping strips (21) are arranged on the powder removing belt (20).

4. The crushing and feeding device for permanent ferrite raw material according to claim 1, characterized in that, The inner side of the discharging space (13) is provided with a discharging surface (22) protruding from the discharging space (13), the discharging surface (22) is inclined, the horizontal height of the discharging surface (22) near one side of the discharging space (13) is lower than the horizontal height of the center of the discharging surface (22), and the outlet of the feeding cylinder (11) is located above the center of the discharging surface (22).

5. The crushing and feeding device for permanent ferrite raw material according to claim 4, characterized in that, The support frame (10) is provided with a support rod (23), the support rod (23) is located above the discharging surface (22), the support rod (23) is provided with a sweeping disc rotating motor (24), the output shaft of the sweeping disc rotating motor (24) extends downward and is rotationally connected with the center of the discharging surface (22), and the output shaft of the rotating sweeping disc rotating motor (24) is provided with a sweeping disc rod (25) in sliding connection with the discharging surface (22).

6. The crushing and feeding device for permanent ferrite raw material according to claim 5, characterized in that, The upper side of the sweeping disc rotating motor (24) is provided with a protective cover (26) arranged on the support rod (23).

7. The crushing and feeding device for permanent ferrite raw material according to claim 1, characterized in that, The outlet (27) of the feeding cylinder (11) is further provided with an intermittent discharging structure (28).

8. The crushing and feeding device for permanent ferrite raw material according to claim 7, characterized in that, The intermittent discharging structure (28) comprises a rotating block (29) rotating in the outlet (27), and the rotating block (29) is internally provided with at least one placing groove (30); when the placing groove (30) is placed upward, the material falls into the placing groove (30); and when the placing groove (30) is placed downward, the material in the placing groove (30) falls.

9. The crushing and feeding device for permanent ferrite material according to claim 8, characterized in that, The rotating block (29) is provided with two placing grooves (30), and the two placing grooves (30) are oppositely placed.

10. The crushing and feeding device for permanent ferrite raw material according to claim 1, characterized in that, The conveying belt (18) is provided with a baffle (31) on both sides.

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