A bidirectional magnetic separation sorting machine for a plate sand production line

Abstract

The application discloses a bidirectional magnetic separation sorting machine for a plate sand production line, which comprises a mounting cavity formed in a machine body, two partition plates fixedly installed in the mounting cavity and dividing the mounting cavity into a material guiding cavity and two cavities, and a plurality of electromagnetic plates fixedly installed in the two cavities. The application can isolate the electromagnetic plates from raw materials, avoids the problem that magnetic materials move under the action of magnetic force and drive plate sand powder to deviate from the falling track, ensures the sorting effect, avoids the problem of raw material waste, controls the power supply of the plurality of electromagnetic plates during the sorting process, moves the magnetic impurities adsorbed on the partition plates from the middle to the two ends, avoids the problem that the adsorption of the magnetic impurities in the middle of the partition plates is more, reduces the adsorption force of the magnetic impurities remaining in the plate sand in the middle of the partition plates, and facilitates the discharge of the magnetic impurities from different outlets after the sorting is completed, thereby facilitating the separate conveying of the plate sand and the magnetic impurities.

Description

Technical Field

[0001] This invention relates to the field of magnetic separation and sorting technology for sheet metal sand, and more particularly to a bidirectional magnetic separation and sorting machine for a sheet metal sand production line. Background Technology

[0002] Slab sand is a new type of artificial stone made of more than 80% quartz crystals, resin, and other trace elements. During the production of slab sand, a magnetic separator is used to remove strongly magnetic minerals, mainly magnetite, and weakly magnetic impurities, mainly hematite, limonite, and biotite.

[0003] A search revealed that patent document CN115155806A discloses a bidirectional quartz sand magnetic separation and sorting device, including a sorting box with a sorting trough inside; a magnetic separation unit, disposed at the upper part of the trough opening, including a drive component, a transmission component connected to the output end of the drive component, a magnetic separation component and a scraping component connected through the transmission component, wherein the magnetic separation component and the scraping component are in contact with each other, and the lower ends of the scraping component and the magnetic separation component extend into the trough cavity of the sorting trough.

[0004] The above-mentioned bidirectional quartz sand magnetic separation and sorting device has the following shortcomings: When using the magnetic separator to adsorb magnetic impurities, since the magnetic impurities are directly adsorbed on the magnetic separator, during the adsorption process, the magnetic impurities will move to the magnetic separator and carry some of the plate sand powder, causing it to deviate from the falling track of the plate sand body and fall into the separation track of the magnetic impurities, affecting the separation effect and causing waste of plate sand material.

[0005] Therefore, it is necessary to design a bidirectional magnetic separation sorting machine for a board sand production line. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides a bidirectional magnetic separator for a board sand production line, which solves the problem mentioned in the background technology that some board sand moves with magnetic impurities during the magnetic separation process, causing the falling track to deviate, thus affecting the separation effect and causing raw material waste.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A bidirectional magnetic separator for a board sand production line includes an installation cavity within the machine body. Two partitions are fixedly installed within the installation cavity, dividing it into a guide cavity and two empty cavities. Multiple electromagnetic plates are fixedly installed in each of the two empty cavities. An inlet is provided on the upper side wall of the machine body, communicating with the guide cavity. A discharge port is provided on the lower side wall of the machine body, corresponding to the position of the inlet. Two separation outlets are provided on the lower side wall of the machine body, located at the front and rear ends of the discharge port, respectively.

[0009] A carbon brush is fixedly installed at the end of each electromagnetic plate away from the material guide cavity. Each carbon brush has a mating groove. A contact mechanism is installed in each of the two cavities, and the two contact mechanisms cooperate with the corresponding multiple carbon brushes. An energizing mechanism is installed on the machine body, and the energizing mechanism cooperates with the two contact mechanisms. A driving mechanism is installed on the machine body, and the driving mechanism cooperates with the two contact mechanisms.

[0010] Furthermore, the contact mechanism consists of a rotating hole, a rotating rod, a bidirectional lead screw, two sliders, and two mating blocks. The rotating hole is formed in the cavity, the rotating rod is rotatably connected to the rotating hole, the bidirectional lead screw is fixedly installed on one end of the rotating rod located in the cavity, the two sliders are threadedly connected to the bidirectional lead screw, and the two mating blocks are respectively fixedly installed on the two sliders, and the two mating blocks correspond to the positions of multiple mating grooves.

[0011] Furthermore, the power supply mechanism consists of a power supply box, a control panel, two power cords, two power supply boards, two transmission lines, two conductive blocks, and two wire holes. The power supply box is fixedly installed on the rear side wall of the machine body, the control panel is fixedly installed on the power supply box, the two power supply boards are respectively fixedly installed on the left and right ends of the machine body, the two power cords are respectively connected between the power supply box and the two power supply boards, the two conductive blocks are respectively fixedly installed on the two sliders, the two transmission lines are respectively connected between the two conductive blocks and the two power supply boards, and the two wire holes are respectively opened on the left and right side walls of the machine body, and the two wire holes are respectively matched with the two transmission lines.

[0012] Furthermore, the drive mechanism consists of a mounting base, a servo motor, a drive rod, a drive pulley, a belt, and two driven pulleys. The mounting base is fixedly mounted on the front side wall of the machine body. The servo motor is fixedly mounted on the mounting base. The drive rod is rotatably connected to the mounting base, and one end of the drive rod is fixedly connected to the output end of the servo motor. The drive pulley is fixedly mounted on the other end of the drive rod. The two driven pulleys are respectively fixedly mounted on the ends of the two rotating rods located outside the machine body. The belt is installed between the drive pulley and the two driven pulleys.

[0013] Furthermore, a feeding seat is fixedly installed on the upper end of the machine body, and the feeding seat is interconnected with the feeding port. A feeding hopper is fixedly installed on the feeding seat, and multiple support seats are fixedly installed on the lower end of the machine body.

[0014] Furthermore, the discharge port is located at the center of the guide cavity, and the length of the discharge port is less than or equal to the length of the electromagnetic plate, while the length of the separation discharge port is greater than the sum of the lengths of the two electromagnetic plates.

[0015] Furthermore, the length of the docking block is greater than the minimum distance between two adjacent carbon brushes, and the end of the partition away from the electromagnetic plate is inclined from top to bottom toward the midpoint of the discharge port.

[0016] Compared with existing technologies, the advantages of this invention are:

[0017] 1. The design of two partitions can isolate the electromagnetic plate from the raw materials, avoiding the problem of magnetic materials causing the sand powder on the plate to deviate from its falling track when moving under the action of magnetic force, thus ensuring the sorting effect and avoiding the problem of raw material waste.

[0018] 2: By cooperating with the contact mechanism and the drive mechanism, the magnetic impurities can be moved from the middle of the partition to both sides during the sorting process by changing the energization of multiple electromagnetic plates. This avoids the problem that the magnetic impurities adsorbed in the middle of the partition will reduce the attraction of the middle position of the partition to the remaining magnetic impurities in the sand.

[0019] 3: With the design of two separate discharge ports, magnetic impurities that have moved to both sides of the partition can be discharged after sorting is completed. Furthermore, the magnetic impurities and the board sand are discharged through different outlets, so the sorted board sand and magnetic impurities can be transported separately.

[0020] In summary, this invention can isolate the electromagnetic plates from the raw materials, preventing the magnetic materials from causing the plate sand powder to deviate from its falling track when moving under magnetic force. This ensures the sorting effect and avoids the problem of raw material waste. Furthermore, the energization of multiple electromagnetic plates can be controlled during the sorting process, causing the magnetic impurities adsorbed on the partition plates to move from the middle to both ends. This avoids the problem of a large amount of magnetic impurities adsorbed in the middle of the partition plates reducing the attraction of the remaining magnetic impurities in the plate sand. It also facilitates the discharge of magnetic impurities from different outlets after sorting, making it easier to separate the plate sand and magnetic impurities for transport. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a bidirectional magnetic separator for a plate sand production line proposed in this invention;

[0022] Figure 2 for Figure 1 A structural diagram of the two partitions and the components between them;

[0023] Figure 3 for Figure 1 A schematic diagram of the structure after being rotated 180° to the left;

[0024] Figure 4 for Figure 3 Enlarged structural diagram of the power supply box and its components;

[0025] Figure 5 for Figure 3 A schematic diagram of the structure after being deflected upwards at a certain angle;

[0026] Figure 6 for Figure 5 A cross-sectional view;

[0027] Figure 7 for Figure 5 A longitudinal sectional view;

[0028] Figure 8 for Figure 7 A schematic diagram of the front structure;

[0029] Figure 9 for Figure 7 Enlarged structural diagram of section A;

[0030] Figure 10 for Figure 8 Enlarged structural diagram of section B;

[0031] Figure 11 for Figure 2 A magnified schematic diagram of the structure of section C.

[0032] In the diagram: 1. Body, 2. Mounting cavity, 3. Partition plate, 4. Guide cavity, 5. Cavity, 6. Feed port, 7. Feed seat, 8. Feed hopper, 9. Discharge port, 10. Separation outlet, 11. Support seat, 12. Electromagnetic plate, 13. Fixing block, 14. Carbon brush, 15. Connecting groove, 16. Rotary hole, 17. Rotating rod, 18. Bidirectional lead screw, 19. Slider, 20. Connecting block, 21. Conductive block, 22. Power transmission line, 23. Power supply board, 24. Power supply box, 25. Power cord, 26. Control panel, 27. Mounting seat, 28. Servo motor, 29. Driving pulley, 30. Driven pulley, 31. Belt. Detailed Implementation

[0033] Reference Figures 1-11A bidirectional magnetic separator for a board sand production line includes an installation cavity 2 within a machine body 1. Two partitions 3 are fixedly installed within the installation cavity 2, dividing it into a guide cavity 4 and two cavities 5. Multiple electromagnetic plates 12 are fixedly installed in each of the two cavities 5. An inlet 6 is provided on the upper side wall of the machine body 1, communicating with the guide cavity 4. A discharge port 9 is provided on the lower side wall of the machine body 1, corresponding to the position of the inlet 6. Two separation outlets 10 are also provided on the lower side wall of the machine body 1, and the two separation outlets 10 are respectively... Located at both ends of the discharge port 9, the guide chamber 4 provides a passage for the plate sand to pass through the machine body 1. During the process of the plate sand passing through the machine body 1, the magnetic force of the electromagnetic plate 12 is used to adsorb the magnetic impurities in the plate sand onto the two partitions 3, and the magnetic impurities are separated in both directions to ensure the sorting effect of the plate sand. In addition, the design of the two partitions 3 can isolate the electromagnetic plate 12 from the raw material, avoiding the problem that the magnetic material moves under the action of magnetic force and causes the plate sand powder to deviate from its own falling track, thus ensuring the sorting effect and avoiding the problem of raw material waste.

[0034] The electromagnetic plate 12 adopts a structural component that can generate magnetism when energized, which is a technology in the prior art. According to the characteristics of the sorting machine, the coils in the multiple electromagnetic plates 12 distributed from the center point to both sides can be gradually increased based on the center point of the partition 3. When energized, the magnetism generated by the multiple electromagnetic plates 12 distributed from the center point to both sides becomes stronger and stronger. This makes it easier to move the magnetic impurities from the center of the partition 3 to both sides by energizing the multiple electromagnetic plates 12 from the center point to both sides after the magnetic impurities are adsorbed on the partition 3 from the center point to both sides. This avoids the problem that the attraction of the partition 3 to the remaining magnetic impurities in the plate sand is reduced due to the large amount of magnetic impurities adsorbed in the center of the partition 3.

[0035] A feeding seat 7 is fixedly installed on the upper end of the machine body 1, and the feeding seat 7 is interconnected with the feeding port 6. A feeding hopper 8 is fixedly installed on the feeding seat 7. The cooperation between the feeding hopper 8 and the feeding seat 7 facilitates the feeding of the board sand to be sorted into the machine body 1. Multiple support seats 11 are fixedly installed on the lower end of the machine body 1. The discharge port 9 is located at the center of the guide chamber 4, and the length of the discharge port 9 is less than or equal to the length of the electromagnetic plate 12. The length of the separation discharge port 10 is greater than the sum of the lengths of the two electromagnetic plates 12. The separation discharge port 10 is used to move the magnetic impurities to both ends of the partition plate 3 and then discharge them from the machine body 1 by changing the energization status of the multiple electromagnetic plates 12 after the separation of magnetic impurities in the board sand is completed. This ensures that the magnetic impurities and the board sand are discharged through different outlets. Therefore, different conveyor belts can be set at the lower end of the machine body 1 to separate and transport the sorted board sand and magnetic impurities.

[0036] A carbon brush 14 is fixedly installed at the end of each electromagnetic plate 12 away from the feed chamber 4. Each carbon brush 14 has a mating groove 15. A contact mechanism is installed in each of the two cavities 5, and the two contact mechanisms cooperate with the corresponding multiple carbon brushes 14. The contact mechanism consists of a rotating hole 16, a rotating rod 17, a bidirectional lead screw 18, two sliders 19, and two mating blocks 20. The rotating hole 16 is opened in the cavity 5, the rotating rod 17 is rotatably connected to the rotating hole 16, the bidirectional lead screw 18 is fixedly installed on the end of the rotating rod 17 located in the cavity 5, the two sliders 19 are threadedly connected to the bidirectional lead screw 18, and the two mating blocks 20 are fixedly installed on the two sliders 19 respectively. The two mating blocks 20 are positioned corresponding to the multiple mating grooves 15. When the bidirectional lead screw 18 rotates, the movement of the two sliders 19 can cause the two mating blocks 20 to move simultaneously. Then, the two mating blocks 20 will contact the mating grooves 15 on the corresponding two carbon brushes 14 respectively. At this time, the electromagnetic plate 12 corresponding to the position of the two mating blocks 20 will be energized and generate magnetism.

[0037] The length of the docking block 20 is greater than the minimum distance between two adjacent carbon brushes 14. The purpose of this size design is to ensure that the docking block 20 maintains contact with at least one carbon brush 14 during its movement. This ensures that the partition 3 always has a magnetic effect, avoiding the problem of magnetic impurities adsorbed on the partition 3 falling off and mixing with the board sand again due to the loss of magnetism of the electromagnetic plate 12 during the sorting process. The end of the partition 3 away from the electromagnetic plate 12 is inclined from top to bottom towards the midpoint of the discharge port 9. The advantage of this angle design is that after the sorting process is completed and the multiple electromagnetic plates 12 are de-energized, the slope allows the magnetic impurities adsorbed on the partition 3 to fall off and be discharged more smoothly.

[0038] A power-on mechanism is installed on the body 1, and the power-on mechanism cooperates with two contact mechanisms. The power-on mechanism consists of a power supply box 24, a control panel 26, two power cords 25, two power supply boards 23, two transmission lines 22, two conductive blocks 21, and two wire holes. The power supply box 24 is fixedly installed on the rear side wall of the body 1, the control panel 26 is fixedly installed on the power supply box 24, the two power supply boards 23 are fixedly installed on the left and right ends of the body 1 respectively, the two power cords 25 are respectively connected between the power supply box 24 and the two power supply boards 23, and the two conductive blocks 21 are respectively fixed. Installed on two sliders 19, two power supply wires 22 are respectively connected between two conductive blocks 21 and two power supply boards 23. Two wire holes are respectively opened on the left and right side walls of the body 1, and the two wire holes are respectively matched with the two power supply wires 22. The power supply box 24 supplies power to the two power supply boards 23. The cooperation between the two power supply boards 23 and the two power supply wires 22 can supply power to the two conductive blocks 21. The power supply wires 22 need to be reserved with a certain length so that the conductive blocks 21 can move smoothly in the cavity 5. The control panel 26 is used to control the power supply and power cut-off of the power supply box 24.

[0039] A drive mechanism is installed on the body 1. The drive mechanism cooperates with two contact mechanisms. The drive mechanism consists of a mounting base 27, a servo motor 28, a drive rod, a drive pulley 29, a belt 31, and two driven pulleys 30. The mounting base 27 is fixedly installed on the front side wall of the body 1. The servo motor 28 is fixedly installed on the mounting base 27. The drive rod is rotatably connected to the mounting base 27, and one end of the drive rod is fixedly connected to the output end of the servo motor 28. The drive pulley 29 is fixedly installed on the other end of the drive rod. The two driven pulleys 30 are respectively fixedly installed on the ends of the two rotating rods 17 located outside the body 1. The belt 31 is installed between the drive pulley 29 and the two driven pulleys 30. When the servo motor 28 works, the two driven pulleys 30 can rotate simultaneously under the action of the drive pulley 29 and the belt 31. Thus, the two bidirectional lead screws 18 can rotate simultaneously under the action of the two rotating rods 17, allowing the contact mechanisms located in the two cavities 5 to operate simultaneously, thereby synchronously controlling the energization of multiple electromagnetic plates 12 in the two cavities 5.

[0040] In this invention, the mating blocks 20 in the cavity 5 are first positioned close to each other. Then, the power supply box 24 is turned on, energizing the two electromagnetic plates 12 near the center of the cavity 5. The sand to be sorted is fed into the machine body 1 from the feed hopper 8. During the fall of the sand, magnetic impurities are attracted to the center of the two partitions 3 by the magnetism of the electromagnetic plates 12. Since the electromagnetic plates 12 and the partitions 3 have a certain height, the falling time of the sand in the machine body 1 is correspondingly extended, which can improve the separation effect of magnetic impurities. After sorting, the sand falls from the discharge port 9 at the bottom of the machine body 1. After all the sand has been sorted, the servo motor 28 is started, energizing the corresponding two mating blocks 20 in the two cavities 5. As the connecting block 20 moves from the middle to both ends, the energization of the electromagnetic plates 12 in the cavity 5 changes from the middle to both sides. Therefore, the attraction force of the partition 3 on the magnetic impurities also gradually shifts from the middle to both ends. When the connecting block 20 moves to the outermost part of the cavity 5, the magnetic impurities also move from the middle of the partition 3 to both ends. Then, the power supply box 24 is turned off so that all electromagnetic plates 12 are de-energized. At this time, the magnetic impurities will be discharged from the two separation outlets 10 under their own gravity and the slope design of the partition 3. This facilitates the transportation of the plate sand and the separated magnetic impurities using different conveyor lines. After the entire operation is completed, the reverse drive servo motor 28 moves the connecting block 20 to the spatial position in the cavity 5 again, and the next operation can be repeated.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A bidirectional magnetic separation sorting machine for a plate sand production line, comprising a mounting cavity (2) opened in a machine body (1), characterized in that, Two baffle plates (3) are fixedly installed in the installation cavity (2), and the two baffle plates (3) divide the installation cavity (2) into a material guiding cavity (4) and two cavities (5), a plurality of electromagnetic plates (12) are fixedly installed in each of the two cavities (5), a feeding port (6) is formed in the upper side wall of the machine body (1) and communicates with the material guiding cavity (4), a discharging port (9) is formed in the lower side wall of the machine body (1) and corresponds in position to the feeding port (6), two separate discharging ports (10) are formed in the lower side wall of the machine body (1) and are respectively located at the front and rear ends of the discharging port (9); A carbon brush (14) is fixedly installed at the end of each electromagnetic plate (12) away from the material guiding cavity (4), a butt joint groove (15) is formed in each carbon brush (14), a contact mechanism is installed in each of the two cavities (5) and cooperates with the corresponding plurality of carbon brushes (14), a power supply mechanism is installed on the machine body (1) and cooperates with the two contact mechanisms, and a driving mechanism is installed on the machine body (1) and cooperates with the two contact mechanisms; The contact mechanism comprises a rotating hole (16), a rotating rod (17), a bidirectional screw rod (18), two sliding blocks (19) and two butt joint blocks (20), the rotating hole (16) is formed in the cavity (5), the rotating rod (17) is rotatably connected to the rotating hole (16), the bidirectional screw rod (18) is fixedly installed at the end of the rotating rod (17) located in the cavity (5), the two sliding blocks (19) are threadedly connected to the bidirectional screw rod (18), and the two butt joint blocks (20) are fixedly installed on the two sliding blocks (19) and correspond in position to the plurality of butt joint grooves (15).

2. A bidirectional magnetic separation sorting machine for a panel sand production line according to claim 1, characterized in that, The power supply mechanism comprises a power supply box (24), a control panel (26), two power supply lines (25), two power supply plates (23), two power transmission lines (22), two conductive blocks (21) and two wire holes, the power supply box (24) is fixedly installed on the rear end side wall of the machine body (1), the control panel (26) is fixedly installed on the power supply box (24), the two power supply plates (23) are respectively fixedly installed on the left and right ends of the machine body (1), the two power supply lines (25) are respectively connected between the power supply box (24) and the two power supply plates (23), the two conductive blocks (21) are respectively fixedly installed on the two sliding blocks (19), the two power transmission lines (22) are respectively connected between the two conductive blocks (21) and the two power supply plates (23), and the two wire holes are respectively formed in the left and right side walls of the machine body (1) and respectively cooperate with the two power transmission lines (22).

3. A bidirectional magnetic separation sorting machine for a panel sand production line according to claim 1, characterized in that, The driving mechanism is composed of a mounting base (27), a servo motor (28), a driving rod, a driving pulley (29), a belt (31) and two driven pulleys (30), the mounting base (27) is fixedly installed on the front end side wall of the machine body (1), the servo motor (28) is fixedly installed on the mounting base (27), the driving rod is rotatably connected to the mounting base (27), and one end of the driving rod is fixedly connected with the output end of the servo motor (28), the driving pulley (29) is fixedly installed on the other end of the driving rod, the two driven pulleys (30) are respectively fixedly installed on the ends of the two rotating rods (17) located outside the machine body (1), and the belt (31) is installed between the driving pulley (29) and the two driven pulleys (30).

4. The bidirectional magnetic separation sorting machine for a panel sand production line according to claim 1, characterized in that, A feeding seat (7) is fixedly installed on the upper end of the machine body (1) and communicates with the feeding port (6), a feeding hopper (8) is fixedly installed on the feeding seat (7), and a plurality of supporting seats (11) are fixedly installed on the lower end of the machine body (1).

5. A bidirectional magnetic separation sorting machine for a panel sand production line according to claim 1, characterized in that, The discharge port (9) is located at the center position of the material guiding cavity (4), and the length of the discharge port (9) is less than or equal to the length of the electromagnetic plate (12), and the length of the separated discharge port (10) is greater than the sum of the lengths of the two electromagnetic plates (12).

6. A bidirectional magnetic separation sorting machine for a panel sand production line according to claim 1, characterized in that, The length of the butt joint block (20) is greater than the minimum spacing of the two adjacent carbon brushes (14), and the end of the partition plate (3) away from the electromagnetic plate (12) is obliquely arranged from top to bottom to the midpoint of the discharge port (9).

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