Sheet material screening equipment for neodymium iron boron production
By designing a vibrating screening mechanism and anti-clogging components, the problem of screen clogging was solved, achieving efficient screening of NdFeB flake materials and improving the operational stability and economic benefits of the equipment.
Patent Information
- Application Number
- CN202520085658.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Existing screening equipment is prone to screen clogging when screening NdFeB flake materials with sawdust adhering to the surface, which affects screening quality and efficiency.
A screening device including a vibrating screening mechanism and anti-clogging components was designed. By utilizing screen plates, brushes and inclined bottom wall structures, combined with the design of reciprocating screws and sliding rods, the screening process can be automated and clogging can be prevented.
It effectively prevents screen clogging, improves screening efficiency, reduces maintenance costs, enhances equipment stability and reliability, and reduces downtime.
Smart Images
Figure CN223847495U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to material screening technical field, specifically, relates to a sheet material screening equipment for neodymium iron boron production. BACKGROUND
[0002] Neodymium iron boron sheet material is a kind of alloy material composed of rare earth element neodymium, iron and boron, with very high magnetic energy product and coercive force, this material is widely used in modern industry and electronic technology due to its excellent magnetic properties, neodymium iron boron sheet material needs to be arrayed and placed before forming the whole neodymium iron boron for the first time multi-level wire cutting, after neodymium iron boron multi-level wire cutting, glue is used to bond neodymium iron boron after wire cutting, neodymium iron boron after bonding is subjected to second multi-level wire cutting, neodymium iron boron after wire cutting needs to be subjected to steaming and degumming treatment, the material after degumming forms small neodymium iron boron, small neodymium iron boron will have moisture on the surface after steaming and degumming treatment, therefore, sawdust is used to carry out dehydration treatment on small neodymium iron boron, the surface of small neodymium iron boron after dehydration will be bonded with sawdust, therefore, screening equipment is used to screen small neodymium iron boron bonded with sawdust on the surface, and screening treatment can effectively remove sawdust bonded on the surface of small neodymium iron boron, to ensure the quality of neodymium iron boron sheet material.
[0003] The existing device has some drawbacks in use, for example: when the existing screening equipment is used to screen neodymium iron boron sheet material bonded with sawdust on the surface, after sawdust is used to complete the dehydration of neodymium iron boron sheet material, the surface of sawdust will have moisture, the moisture will increase the adhesion between sawdust particles, so that sawdust is more likely to accumulate on the screen and eventually block the screen, the blocking of the screen will affect the screening quality, the blocked screen cannot effectively separate the material, so that there is still a lot of sawdust on the surface of neodymium iron boron sheet material after screening, reducing the quality of neodymium iron boron sheet material. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a sheet material screening equipment for neodymium iron boron production, to solve the problem that the screen will be blocked when the screening equipment is used to screen neodymium iron boron sheet material bonded with sawdust on the surface.
[0005] The utility model provides the following technical scheme: A kind of sheet material screening equipment for neodymium iron boron production, including four support columns, strengthening rod is fixedly connected between the bottom of adjacent support column, four support column top are all fixedly connected with lower connecting block, four lower connecting block upper are all provided with upper connecting block, spring is provided between the same group upper connecting block and lower connecting block, and four spring both ends are respectively fixedly sleeved in the outside of corresponding upper connecting block and lower connecting block, four upper connecting block top are fixedly connected with screening box, the upper end surface of screening box one side is fixedly connected with feed hopper, first outlet is opened in the outer wall of the side away from feed hopper of screening box, first guide plate is arranged below first outlet, and the end of first guide plate close to screening box is fixedly connected with screening box, screening box inner side is fixedly connected with screen plate, a plurality of screen holes are opened in the screen plate, second outlet is opened in the inner bottom wall corner of screening box, second guide plate is arranged below second outlet, and the top end of second guide plate is fixedly connected with the lower end surface of screening box, the lower end surface of screening box is fixedly connected with mounting block, the outer wall of one side of mounting block is fixedly connected with vibrating machine, anti-blocking assembly is arranged on screening box.
[0006] In the above scheme, the vibration screening mechanism of the screening box can separate sawdust from neodymium iron boron sheet material. The sawdust passes through the screen holes on the screen plate and is discharged through the second guide plate via the second outlet, while the neodymium iron boron sheet material is discharged through the first guide plate via the first outlet. This process ensures the screening quality of the neodymium iron boron sheet material.
[0007] As a preferred embodiment of the above technical solution, the anti-blocking assembly includes a drive motor fixedly connected to the outer wall of one side of the screening box. The output end of the drive motor is fixedly connected with a reciprocating screw rod. A reciprocating movement groove is spirally arrayed on the outer side of the reciprocating screw rod. One end of the reciprocating screw rod away from the drive motor penetrates the outer wall of one side of the screening box and is rotationally connected with the screening box. The other end of the reciprocating screw rod away from the drive motor is rotationally connected with the inner wall of one side of the screening box. A sliding rod is arranged on one side of the reciprocating screw rod, and the two ends of the sliding rod are fixedly connected with the two inner walls of the screening box opposite to each other.
[0008] In the above scheme, the rotating drive mode of the reciprocating screw rod and the reciprocating movement groove has the characteristics of simple structure and reliable transmission, reducing the downtime caused by mechanical failure.
[0009] As the preferred technical scheme, the anti-blocking assembly further comprises a movable block slidingly sleeved on the outside of the reciprocating wire rod, a connecting hole is formed in the inner top wall of the movable block, a reciprocating moving block is rotatably connected to the inside of the connecting hole, and the reciprocating moving block is slidingly connected with the reciprocating moving groove, a sliding block is fixedly connected to the outer wall of the side of the movable block close to the sliding rod, the inside of the end of the sliding block away from the movable block is slidingly sleeved on the outside of the sliding rod, a brush is fixedly connected to the upper end surface of the sliding block, and the brush surface of the brush is in abutment with the lower surface of the screen plate.
[0010] In the above scheme, the brush surface of the brush is in close contact with the lower surface of the screen plate, and with the reciprocating movement of the brush, the screen plate is continuously brushed, effectively removing the residual materials and blocking materials attached to the screen holes. This efficient cleaning method significantly improves the screening efficiency and reduces the downtime for cleaning caused by screen hole blockage.
[0011] As the preferred technical scheme, the reciprocating wire rod and the sliding rod are both provided with baffles, and the ends of the two baffles close to the inner side wall of the screening box are fixedly connected with the screening box.
[0012] In the above scheme, the baffles reduce the damage to the reciprocating wire rod and the sliding rod caused by the sawdust falling from the screen holes on the screen plate, reducing the frequency of replacement or maintenance due to component damage, saving maintenance costs and time, and improving the overall economic benefit of the equipment.
[0013] As the preferred technical scheme, the inner bottom wall of the screening box is designed as an inclined surface.
[0014] In the above scheme, the design of the inclined bottom wall significantly reduces the residence time of the sawdust in the screening box. Due to the action of gravity, the sawdust is pushed downward along the inclined surface, and the sawdust can flow faster to the second outlet. This rapid flow reduces the residence time of the sawdust during the screening process, avoiding the problem of blockage caused by long residence time of the sawdust.
[0015] As the preferred technical scheme, the bottom end of each of the four supporting columns is fixedly connected with a universal moving wheel.
[0016] In the above scheme, the equipment can be quickly moved between different work sites through the universal moving wheels, reducing the waiting time and downtime caused by inconvenience of movement.
[0017] Compared with the prior art, the utility model has the advantages that:
[0018] The reciprocating movement of the brush can continuously clean the blockage of the screen holes on the screen plate, thereby effectively preventing the screen from being blocked, ensuring smooth screening process, improving the screening efficiency, reducing the maintenance cost, improving the stability and reliability of the equipment, and reducing the downtime cleaning time caused by the blockage of the screen holes. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of a sheet material screening device for neodymium iron boron production.
[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of a sheet material screening device for neodymium iron boron production.
[0021] Figure 3 It is a schematic diagram of the screening box structure in a sheet material screening device for neodymium iron boron production.
[0022] Figure 4 It is a schematic diagram of the local structure of a sheet material screening device for neodymium iron boron production.
[0023] Figure 5 It is a schematic diagram of the anti-blocking assembly structure of a sheet material screening device for neodymium iron boron production.
[0024] Figure 6 It is a schematic diagram of the explosion structure of a sheet material screening device for neodymium iron boron production.
[0025] In the figure: 10, support column; 11, reinforcing rod; 12, lower connecting block; 13, upper connecting block; 14, spring; 15, screening box; 16, feed hopper; 17, first outlet; 18, first guide plate; 19, screen plate; 190, second outlet; 191, second guide plate; 192, mounting block; 193, vibrating machine; 194, screen hole; 20, driving motor; 21, reciprocating screw; 22, reciprocating movement groove; 23, sliding rod; 30, movable block; 31, connecting hole; 32, reciprocating movement block; 33, sliding block; 34, brush; 40, baffle; 50, inclined surface; 60, universal movement wheel. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model.
[0027] EMBODIMENT
[0028] As Figure 1 , Figure 3 and Figure 4The utility model provides a technical scheme: a sheet material screening equipment for neodymium iron boron production, including four support columns 10, adjacent support column 10 bottom between all fixedly connected with reinforcing rod 11, four support columns 10 top all are fixedly connected with lower connecting block 12, four lower connecting block 12 top all are provided with upper connecting block 13, and the same group upper connecting block 13 and lower connecting block 12 all are provided with spring 14, and four spring 14 both ends are fixedly sleeved in corresponding upper connecting block 13 and lower connecting block 12 outside, four upper connecting block 13 top fixedly connected with screening box 15, screening box 15 upper end surface one side fixedly connected with feed hopper 16, screening box 15 away from feed hopper 16's one side outer wall is provided with first export 17, and the first export 17 below is provided with first guide plate 18, and the first guide plate 18 is close to screening box 15 one end with screening box 15 fixed connection, screening box 15 inboard fixedly connected with screen plate 19, and the screen plate 19 is provided with a plurality of screen holes 194 in array, and screening box 15 inner bottom wall corner is provided with second export 190, and the second export 190 below is provided with second guide plate 191, and the second guide plate 191 top end with screening box 15 lower end surface fixed connection, screening box 15 lower end surface fixedly connected with mounting block 192, and mounting block 192 one side outer wall fixedly connected with vibrating machine 193, and screening box 15 is provided with anti -blocking subassembly, and in the specific use process, neodymium iron boron sheet material needs to pass sawdust and dehydrates before screening, and the neodymium iron boron sheet material that dehydrates is completed is dragged into screening box 15 through feed hopper 16, and after neodymium iron boron sheet material enters screening box 15, spring 14 connects upper connecting block 13 and lower connecting block 12, forms elastic suspension structure, and in combination with vibrating machine 193 installed under screening box 15, can effectively realize the vibration screening of screening box 15, under the action of vibrating machine 193, screening box 15 starts vibrating, and the screen hole 194 on screen plate 19 allows sawdust to pass through small particles, and neodymium iron boron sheet material is blocked on the screen due to the size is larger, and after sawdust passes through screen hole 194, falls into the inner bottom wall of screening box 15 and moves to second export 190, and finally is discharged through second guide plate 191, and neodymium iron boron sheet material continues to move forward on the screen, when neodymium iron boron sheet material moves to first export 17 position, finally is discharged through first guide plate 18.
[0029] As an embodiment in the present embodiment, as Figure 1 、 Figure 2 and Figure 5As shown, the anti-blocking assembly includes a drive motor 20 fixedly connected to one side of the outer wall of the screening box 15, the output end of the drive motor 20 is fixedly connected with a reciprocating screw rod 21, the outer side of the reciprocating screw rod 21 is spirally arrayed with a reciprocating moving groove 22, the end of the reciprocating screw rod 21 away from the drive motor 20 penetrates through one side of the outer wall of the screening box 15 and is rotatably connected with the screening box 15, the end of the reciprocating screw rod 21 away from the drive motor 20 is rotatably connected with the inner wall of one side of the screening box 15, and a sliding rod 23 is arranged on one side of the reciprocating screw rod 21 and fixedly connected with the inner walls of the two sides of the screening box 15 opposite to the corresponding screening box 15, and in specific use, the drive motor 20 drives the reciprocating screw rod 21 to rotate, the reciprocating moving groove 22 rotates with the rotation of the reciprocating screw rod 21, and the rotation of the reciprocating moving groove 22 drives the moving part matched therewith to reciprocate, and the sliding rod 23 provides stable guidance and support for the moving part matched therewith.
[0030] As an embodiment in the present embodiment, as shown in Figure 2 、 Figure 5 and Figure 6 , the anti-blocking assembly further includes a movable block 30 slidingly sleeved on the outer side of the reciprocating screw rod 21, a connecting hole 31 is formed in the inner top wall of the movable block 30, a reciprocating moving block 32 is rotatably connected in the inner side of the connecting hole 31, and the reciprocating moving block 32 is slidingly connected with the reciprocating moving groove 22, a sliding block 33 is fixedly connected to the outer wall of the side of the movable block 30 close to the sliding rod 23, and the end of the sliding block 33 away from the movable block 30 is slidingly sleeved on the outer side of the sliding rod 23, a brush 34 is fixedly connected to the upper end surface of the sliding block 33, and the brush surface of the brush 34 abuts against the lower surface of the screen plate 19, and in specific use, since the reciprocating moving block 32 is matched with the reciprocating moving groove 22, when the reciprocating screw rod 21 rotates, the reciprocating moving block 32 will reciprocate along the reciprocating moving groove 22, thereby driving the movable block 30 to reciprocate along the axial direction of the reciprocating screw rod 21, the reciprocation of the movable block 30 drives the sliding block 33 to reciprocate along the axial direction of the sliding rod 23, thereby driving the brush 34 to reciprocate, and the reciprocation of the brush 34 will continuously brush the screen plate 19, thereby removing the residual materials and blocking materials attached to the screen holes 194 of the screen plate 19.
[0031] As an embodiment in the present embodiment, as shown in Figure 2 and Figure 5 , a baffle 40 is arranged above the reciprocating screw rod 21 and the sliding rod 23, and the end of the two baffles 40 close to the inner wall of the screening box 15 is fixedly connected with the screening box 15, and in specific use, the baffle 40 is located above the reciprocating screw rod 21 and the sliding rod 23, thereby forming a physical barrier, when the sawdust falls from the screen holes 194 of the screen plate 19, the baffle 40 can effectively block the sawdust from directly falling on the movable rod and the reciprocating screw rod 21, thereby reducing the pollution and potential damage to these components.
[0032] As an embodiment in the present embodiment, as shown in Figure 3 The bottom wall of the screening box 15 is provided as an inclined surface 50, and in actual use, when the sawdust falls from the screen holes 194 on the screen plate 19, the inclined bottom wall design enables the sawdust to flow more smoothly to the second outlet 190 during screening, and the gravity will push the sawdust downward along the inclined surface 50, reducing the residence time of the sawdust in the screening box 15 and improving the flowability of the sawdust.
[0033] As an embodiment in the present embodiment, as shown in Figure 1 The bottom end of each of the four supporting columns 10 is fixedly connected with a universal moving wheel 60, and in actual use, the universal moving wheel 60 allows the device to freely move in multiple directions, including forward movement, backward movement, left and right turning, etc., which enables the device to adapt to different working environments and site requirements.
[0034] Working principle: The neodymium iron boron sheet material needs to be dehydrated by sawdust before screening, and the dehydrated neodymium iron boron sheet material is dragged into the screening box 15 through the feeding hopper 16, and the spring 14 connected elastic suspension structure is adopted in the screening box 15, combined with the vibration machine 193 below, to realize the vibration screening of the screening box 15. Under the action of the vibration machine 193, the screening box 15 starts to vibrate, the screen holes 194 on the screen plate 19 allow the sawdust and other fine particles to pass through, while the neodymium iron boron sheet material is blocked on the screen, the sawdust falls into the bottom wall of the screening box 15 after passing through the screen holes 194, and moves along the inclined bottom wall to the second outlet 190, and finally is discharged through the second guide plate 191. The neodymium iron boron sheet material continues to move forward on the screen, and when it moves to the position of the first outlet 17, it is discharged through the first guide plate 18. The driving motor 20 drives the reciprocating screw 21 to rotate, the reciprocating moving groove 22 rotates accordingly, the reciprocating moving block 32 cooperates with the reciprocating moving groove 22 to make the movable block 30 reciprocate along the reciprocating screw 21 in the axial direction, and then drives the sliding block 33 and the brush 34 to reciprocate. The reciprocating movement of the brush 34 continuously brushes the screen plate 19 to remove the residual material and blockage on the screen holes 194, and keeps the screen unobstructed. The sliding rod 23 provides stable guidance and support for the sliding block 33, ensuring the accuracy and stability of the reciprocating movement.
[0035] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them.
Claims
1. A sheet material screening device for neodymium-iron-boron production, comprising four support columns (10), characterized in that: The bottom between adjacent support columns (10) is fixedly connected with a reinforcing rod (11), the top of four support columns (10) is fixedly connected with a lower connecting block (12), the upper of four lower connecting blocks (12) is provided with an upper connecting block (13), the same group upper connecting block (13) and lower connecting block (12) are provided with a spring (14), and the two ends of four springs (14) are respectively fixedly sleeved on the outer side of the corresponding upper connecting block (13) and lower connecting block (12), the top of four upper connecting blocks (13) is fixedly connected with a screening box (15), the upper end surface of the screening box (15) is fixedly connected with a feed hopper (16), the outer wall of the side, away from the feed hopper (16), of the screening box (15) is provided with a first outlet (17), the lower of the first outlet (17) is provided with a first guide plate (18), and the end, close to the screening box (15), of the first guide plate (18) is fixedly connected with the screening box (15), the inner side of the screening box (15) is fixedly connected with a screen plate (19), a plurality of screen holes (194) are arrayed on the screen plate (19), the corner of the inner bottom wall of the screening box (15) is provided with a second outlet (190), the lower of the second outlet (190) is provided with a second guide plate (191), and the top of the second guide plate (191) is fixedly connected with the lower end surface of the screening box (15), the lower end surface of the screening box (15) is fixedly connected with a mounting block (192), the outer wall of the side of the mounting block (192) is fixedly connected with a vibrating machine (193), and the screening box (15) is provided with an anti-blocking assembly.
2. The sheet material screening apparatus for neodymium iron boron production according to claim 1, characterized in that: The anti-blocking assembly comprises a driving motor (20) fixedly connected to the outer wall of one side of the screening box (15), a reciprocating screw rod (21) fixedly connected to the output end of the driving motor (20), reciprocating movement grooves (22) spirally arrayed on the outer side of the reciprocating screw rod (21), and the end, away from the driving motor (20), of the reciprocating screw rod (21) penetrating through the outer wall of one side of the screening box (15) and being rotatably connected with the screening box (15), the end, away from the driving motor (20), of the reciprocating screw rod (21) being rotatably connected with the inner wall of one side of the screening box (15), and a sliding rod (23) being arranged on one side of the reciprocating screw rod (21) and being fixedly connected with the inner walls of the two sides of the corresponding screening box (15).
3. The sheet material screening apparatus for neodymium iron boron production according to claim 2, characterized in that: The anti-blocking assembly further comprises a movable block (30) slidably sleeved on the outer side of the reciprocating screw rod (21), a connecting hole (31) being formed in the inner top wall of the movable block (30), a reciprocating moving block (32) being rotatably connected to the inner side of the connecting hole (31) and being slidably connected with the reciprocating movement grooves (22), a sliding block (33) being fixedly connected to the outer wall of the side, close to the sliding rod (23), of the movable block (30), and the end, away from the movable block (30), of the sliding block (33) being slidably sleeved on the outer side of the sliding rod (23), a brush (34) being fixedly connected to the upper end surface of the sliding block (33) and the brush surface of the brush (34) being in abutment with the lower surface of the screen plate (19).
4. The sheet material screening apparatus for neodymium iron boron production according to claim 3, characterized in that: The reciprocating wire rod (21) and the sliding rod (23) are provided with baffles (40) above, and the two baffles (40) are fixedly connected with the screening box (15) near one end of the inner side wall of the screening box (15).
5. The sheet material screening apparatus for neodymium iron boron production according to claim 1, characterized in that: The inner bottom wall of the screening box (15) is provided as an inclined surface (50).
6. The sheet material screening apparatus for neodymium iron boron production according to claim 1, characterized in that: The bottom end of each of the four supporting columns (10) is fixedly connected with a universal moving wheel (60).