Powder vibrating screen

Abstract

The utility model discloses a powder vibrating screen which comprises a belt conveyor and a vibrating screen assembly, the belt conveyor is provided with a first-stage iron removal assembly, the first-stage iron removal assembly comprises a magnet rod, the magnet rod is rotationally connected to the belt conveyor, one side of the magnet rod is provided with an iron collecting frame, the magnet rod is provided with a rotating shaft, and the rotating shaft is connected with the vibrating screen assembly. The rotary shaft is rotationally connected to the belt conveyor and provided with a scraper blade, the vibrating screen assembly comprises a vibrating screen frame, the vibrating screen frame is provided with a vibrating motor, the vibrating screen frame is provided with a first spring, the first spring is provided with a screen tray, and the screen tray is provided with screen holes. Doped iron is removed through magnetic force, and meanwhile, the removed iron can be collected, so that pollution is avoided, and the quality of the electronic ceramic material is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic powder vibration screening, in particular to a powder vibration screen. Background Art

[0002] Electronic ceramic materials are functional materials with electronic properties. They are mainly made of ceramics and are used in electronic technology, communication technology, energy technology, biomedicine and other fields. These materials are made of ceramic powder at high temperature. In its production process, powder screening and sorting is one of the key processes in the ceramic powder production line. The powder is vibrated by a vibrating screen to screen out powders of different particles. There is also iron in the ceramic powder. The iron in the ceramic powder needs to be removed during the production process. Failure to remove the iron doped in the ceramic material will affect the quality and performance of the electronic ceramics. Utility Model Content

[0003] In view of the above-mentioned prior art, the utility model provides a powder vibrating screen, which can mainly perform vibration screening on ceramic powder, remove the doped iron by magnetic force, and also collect the removed iron to improve the quality of electronic ceramic materials.

[0004] To achieve the above purpose, the technical solution of the embodiment of the utility model is implemented as follows:

[0005] A powder vibrating screen comprises a belt conveyor, a vibrating screen assembly and an outer cover, the belt conveyor is provided with a first-stage iron removal assembly, the first-stage iron removal assembly comprises a magnet bar, the magnet bar is rotatably connected to the belt conveyor, one side of the magnet bar is provided with an iron collecting frame, the magnet bar is provided with a rotating shaft, the rotating shaft is rotatably connected to the belt conveyor, the rotating shaft is provided with a scraper, the vibrating screen assembly comprises a vibrating screen frame, the vibrating screen frame is provided with a vibration motor, the vibrating screen frame is provided with a first spring, the first spring is provided with a sieve plate, and the sieve plate is provided with sieve holes.

[0006] Furthermore, the belt conveyor includes a conveyor belt and a side plate, the side plate is rotatably connected to a conveying shaft, the side plate is provided with a motor, the motor is provided with a first pulley, the conveying shaft is provided with a second pulley, the first pulley and the second pulley are matched through a first belt, and the side plate is rotatably connected to a pulley.

[0007] Furthermore, the first-stage iron removal assembly includes a first gear, a second gear, a third pulley and a fourth pulley. The first gear and the third pulley are respectively fixedly connected to the magnet bar, the second gear is fixedly connected to the rotating shaft, the fourth pulley is fixedly connected to the motor, and the third pulley is provided with a second belt that cooperates with the fourth pulley.

[0008] Furthermore, the vibrating screen frame is provided with a coarse material collecting box and a fine material collecting box.

[0009] Furthermore, the belt conveyor is provided with a vertical plate, the vertical plate is provided with a spreading plate, the vertical plate is provided with an adjusting bolt, the adjusting bolt is rotatably connected to the spreading plate, and the adjusting bolt is provided with a nut.

[0010] Furthermore, the belt conveyor is provided with a connecting plate, the iron collecting frame is provided with a slide rail and a connecting ear, the connecting plate is provided with a slide groove matching the slide rail, the connecting plate is provided with a guide column, the guide column sleeve is provided with a second spring, one end of the second spring is connected to the connecting plate, and the other end is connected to the connecting ear.

[0011] Furthermore, the guide column is provided with a locking sleeve.

[0012] Furthermore, the belt conveyor is provided with a drying component.

[0013] Furthermore, the belt conveyor is provided with a secondary iron removal assembly, which includes a box body, the box body is provided with a first chamber, a second chamber and a third chamber, the box body is provided with a cylinder, the output end of the cylinder is provided with an electromagnet assembly, the electromagnet assembly includes a first electromagnet and a second electromagnet, the box body is provided with a transition hopper on the top, and a discharge hopper on the bottom, the transition hopper is connected to the belt conveyor, the discharge hopper is connected to the sieve plate, and the electromagnet is provided with a magnetic isolation plate.

[0014] Furthermore, the outer cover is provided with a feed hopper, a front door, a side door and a top door, and a plurality of foot cups are provided at the bottom.

[0015] The beneficial effects of the utility model are as follows: the ceramic powder is conveyed to the vibration assembly for vibrating screening by a belt conveyor, the vibration motor vibrates and rotates, so that the sieve plate vibrates on the first spring to achieve the dropping of qualified fine materials from the sieve hole, the magnetic rod absorbs the iron in the ceramic powder, the rotating magnetic rod causes the absorbed iron to fall into the iron collecting frame, and the iron that is stubbornly not dropped on the magnetic rod and piled up is further scraped into the iron collecting frame by a scraper, so as to better store the absorbed iron and prevent it from falling into the ceramic powder again to cause pollution, thereby improving the quality of the ceramic powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a powder vibrating screen in an embodiment of the present application;

[0017] Figure 2 This is a schematic diagram of the internal structure of a powder vibrating screen in an embodiment of the present application;

[0018] Figure 3 This is a schematic diagram of the structure of the belt conveyor in the embodiment of the present application;

[0019] Figure 4This is an enlarged schematic diagram of point A in the embodiment of the present application;

[0020] Figure 5 This is a cross-sectional schematic diagram of a belt conveyor in an embodiment of the present application;

[0021] Figure 6 This is a schematic diagram of the structure of the secondary iron removal component in the embodiment of the present application;

[0022] Figure 7 This is a partial schematic diagram of a secondary iron removal assembly in an embodiment of the present application;

[0023] Figure 8 This is a schematic diagram of the electromagnet structure in the embodiment of this application;

[0024] Description of Figure Numbers:

[0025] 1 belt conveyor, 2 vibrating screen assembly, 201 outer cover, 3 primary iron removal assembly, 4 magnet bar, 5 iron collecting frame, 6 rotating shaft, 7 scraper, 8 vibrating screen frame, 9 vibration motor, 10 first spring, 11 sieve plate, 12 sieve hole, 13 side plate, 14 conveying rotating shaft, 15 motor, 16 first pulley, 17 second pulley, 18 first belt, 19 pulley, 20 first gear, 21 third pulley, 22 second gear, 23 fourth pulley, 24 second belt, 25 coarse material collection box, 26 fine material collection box, 27 vertical plate, 271 waist groove , 28 spreading plate, 29 adjusting bolts, 30 nuts, 31 connecting plate, 32 slide rails, 33 connecting ears, 34 slide grooves, 35 guide pillars, 36 second springs, 37 locking sleeves, 38 drying components, 39 secondary iron removal components, 40 box body, 41 the first chamber, 42 the second chamber, 43 the third chamber, 44 cylinders, 45 electromagnet components, 451 the first electromagnet, 452 the second electromagnet, 46 transition hopper, 47 discharge hopper, 48 magnetic isolation plate, 49 feed hopper, 50 main door, 51 side door, 52 top door, 2011 foot cup. DETAILED DESCRIPTION

[0026] The technical solution of the utility model is further elaborated in detail below in conjunction with the drawings and specific embodiments of the specification. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of the utility model. The terms used herein in the specification of the utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model. In the following description, the expression "some embodiments" is involved, which describes a subset of all possible embodiments, but it should be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments, and can be combined with each other without conflict.

[0027] It should also be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "inside", "outside", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0028] Example 1

[0029] See attached Figure 1-8The present application provides a powder vibrating screen, including a belt conveyor 1, a vibrating screen assembly 2 and an outer cover 201, wherein the belt conveyor 1 is used to convey ceramic powder, the vibrating screen assembly 2 is used to vibrate and screen the ceramic powder, the belt conveyor 1 is provided with a primary iron removal assembly 3, the primary iron removal assembly 3 is used to remove iron in the ceramic powder, the primary iron removal assembly 3 includes a magnet bar 4, the magnet bar 4 is rotatably connected to the belt conveyor 1, one side of the magnet bar 4 is provided with an iron collecting frame 5, the open end of the iron collecting frame 5 is in contact with the magnet bar 4, the iron collecting frame 5 is used to collect the iron sucked up by the magnet bar 4, because the magnet bar 4 rotates continuously to suck up the iron, so that the iron is in the iron collecting frame 5 and the intersection where the magnet bar 4 contacts may accumulate and stack continuously, and it is not easy to fall into the iron collecting frame 5 under the action of magnetic force. Therefore, the magnet bar 4 is provided with a rotating shaft 6, and the rotating shaft 6 is rotatably connected to the belt conveyor 1. The rotating shaft 6 is provided with a plurality of scrapers 7. The scrapers 7 rotate differently to scrape the accumulated iron into the iron collecting frame 5. The vibrating screen assembly 2 includes a vibrating screen frame 8, and the vibrating screen frame 8 is provided with a vibration motor 9. The vibrating screen frame 8 is provided with a plurality of first springs 10, and the first spring 10 is provided with a sieve plate 11. One end of the first spring 10 is fixedly connected to the vibrating screen frame 8, and the other end is fixedly connected to the bottom of the sieve plate 11. The sieve plate 11 is provided with a plurality of first springs 10. There are a plurality of sieve holes 12, and the sieve holes 12 are used to sieve out qualified ceramic powder. When working, the belt conveyor 1 is started, and the ceramic powder is poured onto the belt conveyor 1. The ceramic powder flows through the magnetic bar 4, and the magnetic bar 4 rotates continuously and absorbs the iron in the ceramic powder through high magnetic force, and the open end of the iron collecting frame 5 is leaned against the magnetic bar 4 to collect the absorbed iron. The scraper 7 rotates clockwise with the rotating shaft 6 to scrape the iron accumulated on the magnetic bar 4 into the iron collecting frame 5, and the ceramic powder after iron removal falls from the belt conveyor 1 to the sieve plate 11. At the same time, the vibration motor 9 is driven, and the sieve plate 11 is vibrated by the vibration motor 9. Under different vibrations, qualified ceramic powder fine materials fall from the sieve holes 12 and are collected for use, and unqualified coarse materials are collected separately for further processing. The utility model uses a belt conveyor 1 to vibrate and screen the ceramic powder conveying vibration component, and the vibration motor 9 vibrates and rotates, so that the sieve plate 11 vibrates on the first spring 10 to achieve the drop of qualified fine materials from the sieve holes 12, and the magnet bar 4 absorbs the iron in the ceramic powder. The rotating magnet bar 4 makes the absorbed iron fall into the iron collecting frame 5, and the iron that is stubbornly not dropped on the magnet bar 4 and stacked is further scraped into the iron collecting frame 5 by the scraper 7, so as to collect the iron in time, prevent it from falling into the ceramic powder again to cause pollution, and improve the quality of the ceramic powder.

[0030] Specifically, the belt conveyor 1 includes a conveyor belt 101, a side plate 13, a conveying shaft 14 and a motor 15. The two ends of the side plate 13 are rotatably connected to the conveying shaft 14 respectively. The side plate 13 is provided with the motor 15, and the motor 15 provides power for the rotation of the belt conveyor 1. The output end of the motor 15 is provided with a first pulley 16, and the first pulley 16 is fixedly connected to the motor 15. One end of the conveying shaft 14 is coaxially provided with a second pulley 17, and the second pulley 17 is fixedly connected to the conveying shaft 14. The first pulley 16 and the second pulley 17 are matched through a first belt 18. The side plate 13 is rotatably connected to two pulleys 19. The inner circumference of the first belt 18 is connected to the first pulley 16 and the two second pulleys 17, and the transmission is transmitted through the first belt 18. The two pulleys 19 are used to adjust the tension of the first belt 18. The transmission is transmitted through the belt and pulley structure, the center distance is long, the manufacturing and installation precision requirements are low, the cost is low, the structure is simple, and the maintenance is convenient.

[0031] Specifically, the primary iron removal component includes a first gear 20, a second gear 22, a third pulley 21 and a fourth pulley 23. The magnet bar 4 is coaxially provided with a first gear 20 and a third pulley 21. The first gear 20 and the third pulley 21 are respectively fixedly connected to the magnet bar 4, the second gear 22 is fixedly connected to the rotating shaft 6, and the fourth pulley 23 is fixedly connected to the motor 15. The third pulley 21 is provided with a second belt 24 that cooperates with the fourth pulley 23. The third pulley 21 and the fourth pulley 23 are driven by the second belt 24, thereby driving the magnet bar 4 to rotate, and at the same time driving the first gear 20 to rotate, and the first gear 20 is engaged with the second gear 22, thereby driving the rotating shaft 6 to rotate. The rotational power of the magnet bar 4 and the rotating shaft 6 is provided by the motor 15, which saves energy loss, has a clever transmission structure, and is suitable for popularization and application.

[0032] Specifically, the vibrating screening frame 8 is provided with a coarse material collecting box 25 and a fine material collecting box 26. The coarse material collecting box 25 is used to collect the coarse material that fails the vibration screening, and the fine material collecting box 26 is used to collect the fine material that passes the vibration screening. Alternatively, the qualified fine material screened out can also be directly packaged and collected.

[0033] Specifically, the belt conveyor 1 is provided with a vertical plate 27, and the vertical plate 27 is provided with a waist groove 271. The vertical plate 27 is provided with a spreading plate 28. The spreading plate 28 is used to scrape the ceramic powder flowing from the belt conveyor 1. The spreading plate 28 passes through the waist groove 271 and the side is attached to the inner side of the waist groove 271. The waist groove 271 is used to limit the rotation and displacement of the spreading plate 28. The vertical plate 27 is provided with an adjusting bolt 29. The adjusting bolt 29 is threadedly connected to the vertical plate 27 and passes through the waist groove 271. The adjusting bolt 29 is rotatably connected to the spreading plate 28. The adjusting bolt 29 is provided with a nut 30. The nut 30 is used to limit the up and down movement of the spreading plate 28 in the adjusting bolt 29. The up and down position of the spreading plate 28 is adjusted by twisting and rotating the adjusting bolt 29, so that the thickness of the ceramic powder passing through the spreading plate 28 is controlled by the spreading plate 28. The structure is simple and easy to operate.

[0034] Specifically, the belt conveyor 1 is provided with a connecting plate 31, the iron collecting frame 5 is fixedly provided with a slide rail 32 and a connecting ear 33, the connecting plate 31 is provided with a slide groove 34 matched with the slide rail 32, the connecting plate 31 is provided with a guide column 35, and the guide column 35 is sleeved with a second spring 36, one end of the second spring 36 is connected to the connecting plate 31, and the other end is connected to the connecting ear 33, the guide column 35 is provided with a locking sleeve 37, and the locking sleeve 37 is connected to the guide column 35 by threading, the iron collecting frame 5 is moved along the direction of the slide rail 32 through the cooperation of the slide rail 32 and the slide groove 34, and is further guided by the guide column 35, and the iron collecting frame 5 is pressed against the magnet bar 4 by compression and rebound of the second spring 36 without getting stuck and causing damage, and the tightness of the second spring 36 is adjusted by adjusting the locking sleeve 37, the structure is ingenious, and it is convenient to operate and maintain.

[0035] Specifically, the belt conveyor 1 is provided with a drying component 38, and the drying component 38 is used to dry the ceramic powder. The dried ceramic powder is not easy to stick together and is easier to be screened and separated, thereby improving the separation effect.

[0036] Example 2

[0037] See attached Figure 1-8The difference between this embodiment and embodiment 1 is that the belt conveyor 1 is provided with a secondary iron removal component 39, and the secondary iron removal component 39 includes a box body 40, and the box body 40 is provided with a first chamber 41, a second chamber 42 and a third chamber 43, the first chamber 41 and the third chamber 43 are used for power-off iron removal, and the second chamber 42 is used as an iron absorption chamber for absorbing iron in ceramic powder. The box body 40 is provided with a cylinder 44, and the output end of the cylinder 44 is provided with five electromagnet assemblies 45, which are arranged in an upper three and lower two arrangement, and the lower two fill the connection interfaces of the upper three, and the cylinder 44 is used to pull the electromagnet assembly 45 to convert in the three chambers. The electromagnet assembly 45 includes a first electromagnet 451 and a second electromagnet 452, the first electromagnet 451 and the second electromagnet 452 can be controlled separately, a transition hopper 46 is provided on the box body 40, and a discharge hopper 47 is provided on the bottom, the transition hopper 46 is connected to the belt conveyor 1, and the discharge hopper 47 is connected to the sieve plate 11. The ceramic powder of the belt conveyor 1 flows into the second chamber 42 through the transition hopper 46 for iron removal, and the discharge hopper 47 is used to discharge the ceramic powder of secondary iron removal onto the sieve plate 11. The electromagnet assembly 45 is provided with a magnetic isolation plate 48. When working, the cylinder 44 contracts, and the first electromagnet The magnet 451 is in the first chamber 41, and the second electromagnet 452 is in the second chamber 42. However, only the second electromagnet 452 in the second chamber 42 is powered on to generate magnetism to remove iron. After a certain period of time, the cylinder 44 works and extends to switch the first electromagnet 451 to the second chamber 42, and the second electromagnet 452 is switched to the third chamber 43. At the same time, the first electromagnet 451 is powered on to generate magnetism to remove iron, and the second electromagnet 452 in the third chamber 43 is powered off to demagnetize. Iron falls from the second electromagnet 452 to the third chamber 43. When the cylinder 44 transports and switches the first electromagnet 451 After returning to the first chamber 41, the second electromagnet 452 returns to the second chamber 42, and the second electromagnet 452 of the second chamber 42 is also kept energized. The first electromagnet 451 of the first chamber 41 is deenergized to demagnetize and remove iron. The magnetic isolation plate 48 is used to block the magnetic force of the first electromagnet 451 and the second electromagnet 452 to prevent the energized section of the magnetic force from transmitting to the deenergized section. The ceramic powder is further de-ironed by the secondary de-ironing component 39, so that the de-ironing is more thorough and the quality of the powder is improved. The cylinder 44 is switched back and forth to remove iron to prevent the accumulation of sucked iron from causing blockage. The structure is simple and easy to operate and maintain.

[0038] Specifically, the outer cover 201 is provided with a feed hopper 49, a front door 50, a side door 51 and a top door 52, and a plurality of foot cups 2011 are provided at the bottom. The feed hopper 49 is used to pour ceramic powder into the belt conveyor 1. The outer cover 201 also prevents dust from escaping. The front door 50, the side door 51 and the top door 52 are convenient for technicians to maintain and operate. The foot cups 2011 are convenient for adjusting the level of the device, and are convenient for transportation and installation.

[0039] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. The protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A powder vibrating screen, characterized in that: It includes a belt conveyor, a vibrating screen assembly and an outer cover. The belt conveyor is provided with a first-stage iron removal assembly. The first-stage iron removal assembly includes a magnet bar. The magnet bar is rotatably connected to the belt conveyor. One side of the magnet bar is provided with an iron collecting frame. The magnet bar is provided with a rotating shaft. The rotating shaft is rotatably connected to the belt conveyor. The rotating shaft is provided with a scraper. The vibrating screen assembly includes a vibrating screen frame. The vibrating screen frame is provided with a vibration motor. The vibrating screen frame is provided with a first spring. The first spring is provided with a sieve plate. The sieve plate is provided with sieve holes.

2. A powder vibrating screen according to claim 1, characterized in that: The belt conveyor includes a conveyor belt and a side plate, wherein the side plate is rotatably connected to a conveying shaft, the side plate is provided with a motor, the motor is provided with a first pulley, the conveying shaft is provided with a second pulley, the first pulley and the second pulley are matched through a first belt, and the side plate is rotatably connected to a pulley.

3. A powder vibrating screen according to claim 1, characterized in that: The first-stage iron removal assembly includes a first gear, a second gear, a third pulley and a fourth pulley. The first gear and the third pulley are respectively fixedly connected to the magnet bar, the second gear is fixedly connected to the rotating shaft, the fourth pulley is fixedly connected to the motor, and the third pulley is provided with a second belt that cooperates with the fourth pulley.

4. A powder vibrating screen according to claim 1, characterized in that: The vibrating screen frame is provided with a coarse material collecting box and a fine material collecting box.

5. A powder vibrating screen according to claim 1, characterized in that: The belt conveyor is provided with a vertical plate, the vertical plate is provided with a spreading plate, the vertical plate is provided with an adjusting bolt, the adjusting bolt is rotatably connected to the spreading plate, and the adjusting bolt is provided with a nut.

6. A powder vibrating screen according to claim 1, characterized in that: The belt conveyor is provided with a connecting plate, the iron collecting frame is provided with a slide rail and a connecting ear, the connecting plate is provided with a slide groove matched with the slide rail, the connecting plate is provided with a guide column, the guide column sleeve is provided with a second spring, one end of the second spring is connected to the connecting plate, and the other end is connected to the connecting ear.

7. A powder vibrating screen according to claim 6, characterized in that: The guide column is provided with a locking sleeve.

8. A powder vibrating screen according to claim 1, characterized in that: The belt conveyor is provided with a drying component.

9. A powder vibrating screen according to claim 1, characterized in that: The belt conveyor is provided with a secondary iron removal component, which includes a box body, the box body is provided with a first chamber, a second chamber and a third chamber, the box body is provided with a cylinder, the output end of the cylinder is provided with an electromagnet assembly, the electromagnet assembly includes a first electromagnet and a second electromagnet, a transition hopper is provided on the top of the box body, and a discharge hopper is provided on the bottom, the transition hopper is connected to the belt conveyor, the discharge hopper is connected to the sieve plate, and the electromagnet is provided with a magnetic isolation plate.

10. A powder vibrating screen according to claim 1, characterized in that: The outer cover is provided with a feed hopper, a front door, a side door and a top door.

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