Open and close magnetic adjustment structure permanent magnet drum

Abstract

The present invention provides a permanent magnetic roller with an opening and closing magnetic adjustment structure, including a motor reducer, a driving sprocket, a chain, a driven sprocket, a fixing seat, a magnetic adjustment handle, an end plate, a non-magnetic outer cylinder and an adjustable magnetic roller and a bracket, wherein the non-magnetic outer cylinder is fixed to the end plate with a screw, and the driven sprocket is fixed to the end plate by a secondary bolt. The present invention has the following beneficial effects: the magnetic roller is designed as a movable connecting rod structure, so that the permanent magnetic roller with an opening and closing magnetic adjustment structure can adjust the magnetic field on the drum surface by rotating the magnetic adjustment shaft at the end, thereby realizing the function of quickly and conveniently adjusting the magnetic field, which is conducive to the magnetic separation production line adjusting the magnetic separation parameters according to the actual situation and obtaining a better magnetic separation effect. The equipment has strong adjustment ability and good adaptability to the magnetic separation process. At the same time, for the user, the permanent magnetic roller with an opening and closing magnetic adjustment structure can set a variety of magnetic fields at the user's site, which can realize multiple uses of one machine, greatly reducing the inventory and the number of spare parts, and saving the user's procurement cost.

Description

Technical Field

[0001] The present invention discloses a permanent magnet roller with an opening and closing magnetism-adjusting structure, and belongs to the technical field of permanent magnet rollers with adjustable magnetism. Background Art

[0002] In the field of ore sorting, permanent magnetic drums are widely used. They generate a magnetic field distributed on the surface of the permanent magnetic drum by arranging permanent magnetic blocks on the yoke inside the drum. When the sorted materials pass through the magnetic field area on the surface of the permanent magnetic drum, the ferromagnetic materials and non-ferromagnetic materials are separated under the action of the magnetic field, thereby achieving the purpose of sorting. Because there are many types of ores and the mineral processing processes are also different, the mineral processing effects vary greatly. Especially in magnetic mineral processing, the magnetic field size of the magnetic separation equipment is the core factor affecting the mineral processing effect. And choosing the appropriate magnetic field strength is of great significance to the production and economic benefits of mineral processing.

[0003] In the prior art, the magnetic field of the permanent magnetic drum cannot be changed after it is manufactured. The magnetic field size at the dividing plate can only be slightly adjusted by adjusting the yoke angle of the permanent magnetic drum. The magnetic field size of the drum surface of the permanent magnetic drum cannot be adjusted, and thus the concentrate grade of the ore cannot be adjusted significantly. In actual production work, the ore material is very different from the initial sample and the sampling accuracy cannot be guaranteed. This leads to a large difference between the actual magnetic field strength of the magnetic separation equipment and the actual demand, and it is difficult and expensive to replace the magnetic separation equipment later. In addition, the ore belongs to the hard stone category. During magnetic separation, the mutual collision between the ores will cause certain noise. In order to provide workers with a good working environment, the present invention proposes a permanent magnetic drum with an opening and closing magnetic adjustment structure that is convenient for adjusting the magnetic field and has good sound insulation. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention aims to provide a permanent magnet roller with an opening and closing magnetic adjustment structure.

[0005] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0006] The permanent magnetic roller of the opening and closing magnetic adjustment structure includes a motor reducer, a driving sprocket, a chain, a driven sprocket, a fixed seat, a magnetic adjustment handle, an end plate, a non-magnetic outer cylinder and an adjustable magnetic roller and a bracket. The non-magnetic outer cylinder is fixed to the end plate with screws, and the driven sprocket is fixed to the end plate by a secondary bolt. The driving sprocket is fixed on the output end rod of the motor reducer, and the chain is sleeved between the driving sprocket and the driven sprocket. The adjustable magnetic roller includes a magnetic adjustment shaft, a magnetic roller fixed shaft, a permanent magnet block, a movable magnetic yoke plate, a pin shaft 1, a pin shaft 2 and a hinge. The magnetic adjustment shaft rotates along the circumference and drives the movable magnetic yoke plate to rotate through a connecting rod mechanism. The permanent magnet block is fixed On the movable magnetic yoke plate, and the magnetic field polarity directions of the permanent magnet blocks on adjacent movable magnetic yoke plates are opposite, the movable magnetic yoke plate is fixed to the magnetic roller fixed shaft through the pin shaft 2, the magnetic adjustment shaft and the magnetic roller fixed shaft are connected to the end plate through a bearing assembly, the hinge and the pin shaft 1 form the connecting rod mechanism, the hinge is connected to the magnetic adjustment shaft and the movable magnetic yoke plate through the pin shaft 1 respectively, the magnetic adjustment shaft and the magnetic roller fixed shaft pass through the non-magnetic outer cylinder, and the passing ends of the magnetic adjustment shaft and the magnetic roller fixed shaft are respectively fixed to the bracket through the fixing seat, and the magnetic adjustment handle is installed on the outer end of the magnetic adjustment shaft.

[0007] Furthermore, the non-magnetic outer cylinder is made of non-magnetic material, and the movable magnetic yoke plate is made of magnetic conductive material.

[0008] Furthermore, the motor reducer includes a driving motor and a reducer, the output end of the driving motor is connected to the reducer, the output end rod is connected to the output end of the reducer, the driving sprocket and the driven sprocket are both arranged inside the silencer, one side of the silencer has an opening and is provided with a closing door, and each side of the inner wall of the silencer is pasted with a sound insulation layer.

[0009] Furthermore, the sound insulation layer includes a sound-absorbing plate and a porous foam plate. The interior of the sound-absorbing plate is in a cavity shape. A cross-shaped elastic sound-absorbing sheet is fixedly provided inside the sound-absorbing plate. Sound holes are evenly distributed on the elastic sound-absorbing sheet. The output end rod passes through the sound insulation layer. The porous foam plate is adhered to the inner wall of the sound-absorbing box. A mounting bracket is fixed on one side of the outer wall of the sound-absorbing box, and the mounting bracket is fixed on the ground.

[0010] Furthermore, the top surface of the adjacent sound-absorbing plate and the bottom surface of the sound-absorbing plate are both arranged with a second sound hole, the interior of the second sound hole on the top surface of the sound-absorbing plate is filled with a sound insulation block, and a sound-absorbing space is formed between the elastic sound-absorbing plates.

[0011] Furthermore, a cross-shaped plate is fixedly provided in the silencing space, and an arc-shaped sound-grinding plate is fixedly provided on the cross-shaped plate.

[0012] Furthermore, a sound insulation cover is fixedly provided at the top and the bottom of the sound insulation box, and a sound inlet pipe penetrating the sound insulation box and the sound insulation layer is provided on the sound insulation cover. The sound inlet pipes are all square pipes, and there are multiple of them. A cross-shaped auxiliary elastic sound insulation sheet is fixedly provided inside the sound inlet pipe, and three sound holes are arranged on the auxiliary elastic sound insulation sheet. A sound insulation cotton layer is pasted on the inner wall of the sound inlet pipe and the sound insulation cover, and a wave-shaped sound insulation sheet is also fixedly provided inside the sound insulation cover.

[0013] Furthermore, an oil tank is fixedly provided on the back of the muffler box, an oil pump is fixedly provided on the outer wall of the oil tank, the oil pump is connected to the oil tank through an oil suction pipe, and an oil injection pipe is also provided on the oil pump, the oil injection pipe passes through the muffler box and the sound insulation layer board, and an oil injection ring is fixedly provided on the other end of the oil injection pipe.

[0014] Furthermore, fuel injection nozzles are evenly arranged on the inner side of the fuel injection ring, the fuel pump is a high-pressure pump, a solenoid valve is fixedly installed at the internal position of the fuel injection pipe, a bracket is fixedly installed at the top of the silencer box, a noise detector is fixedly installed at the bottom of the bracket, the noise detector is located above the driving sprocket, and a controller is fixedly installed on the outer wall of the silencer box, and the controller is connected to the noise detector, the solenoid valve and the fuel pump.

[0015] Furthermore, the non-magnetic outer cylinder is divided into an outer cylinder body and an inner cylinder body, and a secondary sound insulation space is formed between the outer cylinder body and the inner cylinder body. A plurality of arch-shaped sound-absorbing plates are fixed in the secondary sound insulation space, and a cross-shaped sound-absorbing plate is fixed in the arch-shaped sound-absorbing plate. The secondary sound insulation space is also filled with a secondary sound-absorbing cotton layer.

[0016] Beneficial effects of the present invention:

[0017] The present invention designs the magnetic roller as a movable connecting rod structure, so that the permanent magnetic roller with an opening and closing magnetic adjustment structure can adjust the magnetic field on the drum surface by rotating the magnetic adjustment shaft at the end, thereby realizing the function of quickly and conveniently adjusting the magnetic field. It is beneficial for the magnetic separation production line to adjust the magnetic separation parameters according to actual conditions, and obtain a better magnetic separation effect. The equipment has strong adjustment ability and good adaptability to the magnetic separation process. At the same time, for the user, the permanent magnetic roller with an opening and closing magnetic adjustment structure can set a variety of magnetic fields on the user's site, which can realize multiple uses of one machine, greatly reducing the inventory and the number of spare parts, and saving the user's procurement cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the permanent magnet drum with an opening and closing magnetic adjustment structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the state of the adjustable magnetic roller structure of the permanent magnetic roller of the opening and closing magnetic adjustment structure of the present invention before magnetic adjustment;

[0021] Figure 3 It is a schematic diagram of the state of the adjustable magnetic roller structure of the permanent magnetic roller of the opening and closing magnetic adjustment structure of the present invention after magnetic adjustment;

[0022] Figure 4 It is a schematic diagram of the interior of the muffler box of the permanent magnet drum with an opening and closing magnetic adjustment structure of the present invention;

[0023] Figure 5 It is a schematic diagram of the sound insulation layer plate of the permanent magnet drum with an opening and closing magnetic modulation structure of the present invention;

[0024] Figure 6 It is a schematic diagram of the interior of the silencing space of the permanent magnet drum with an opening and closing magnetic modulation structure of the present invention;

[0025] Figure 7 It is a schematic diagram of the interior of the muffler cover of the permanent magnet drum with an opening and closing magnetic adjustment structure of the present invention;

[0026] Figure 8 It is an enlarged schematic diagram of point A of the permanent magnet roller of the opening and closing magnetic adjustment structure of the present invention;

[0027] Fig. 9 It is a schematic diagram of the appearance of the non-magnetic outer cylinder of the permanent magnet drum with an opening and closing magnetic adjustment structure of the present invention;

[0028] Fig.10 It is a schematic diagram of the adjustable magnetic roller of the permanent magnetic drum with an opening and closing magnetic adjustment structure of the present invention.

[0029] Fig.11 It is a schematic diagram of the magnetic roller fixed axis of the permanent magnet drum with an opening and closing magnetic adjustment structure of the present invention.

[0030] In the figure: 1. motor reducer; 2. driving sprocket; 3. chain; 4. driven sprocket; 5. fixed seat; 6. magnetic adjustment handle; 7. end plate; 8. non-magnetic outer cylinder; 9. adjustable magnetic roller; 901. permanent magnet block; 902. movable magnetic yoke plate; 903. pin shaft 1; 904. hinge; 905. magnetic adjustment shaft; 906. magnetic roller fixed shaft; 907. pin shaft 2; 10. bracket; 11. driving motor; 12. reducer; 13. output end rod; 14. muffler box; 15. closing door; 16. sound insulation layer board; 17. muffler board; 18. porous foam board; 19. elastic Silencer; 20. Sound hole one; 21. Sound hole two; 22. Sound insulation block; 23. Silence space; 24. Silence cover; 25. Sound inlet pipe; 26. Auxiliary elastic silencer; 27. Silence cotton layer; 28. Wave-shaped silencer; 29. ​​Oil tank; 30. Oil pump; 31. Oil suction pipe; 32. Oil injection pipe; 33. Oil injection ring; 34. Oil injection nozzle; 35. Solenoid valve; 36. Noise detector; 37. Controller; 39. Outer cylinder; 40. Inner cylinder; 41. Arch silencer; 42. Grinding sound piece; 43. Auxiliary silencing cotton layer; 44. Cross plate; 45. Arc-shaped grinding sound piece. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-11The present invention provides a technical solution: an opening and closing magnetic adjustment structure permanent magnetic roller, comprising a motor reducer 1, a driving sprocket 2, a chain 3, a driven sprocket 4, a fixed seat 5, a magnetic adjustment handle 6, an end plate 7, a non-magnetic outer cylinder 8 and an adjustable magnetic roller 9 and a bracket 10, wherein the non-magnetic outer cylinder 8 is fixed to the end plate 7 with screws, and the driven sprocket 4 is fixed to the end plate 7 by a secondary bolt, and the driving sprocket 2 is fixedly arranged on the output end rod 13 of the motor reducer 1, and the chain 3 is sleeved between the driving sprocket 2 and the driven sprocket 4, and the adjustable magnetic roller 9 comprises a magnetic adjustment shaft 905, a magnetic roller fixed shaft 906, a permanent magnet block 901, an active magnetic yoke plate 902, a pin shaft 1 903, a pin shaft 2 907 and a hinge 904, and the magnetic adjustment shaft 905 rotates along the circumference and drives the active magnetic yoke plate 902 to rotate through a connecting rod mechanism, and the permanent magnet block 901 is fixed The permanent magnet blocks 901 are fixed on the movable magnetic yoke plate 902, and the magnetic field polarity directions of the permanent magnet blocks 901 on the adjacent movable magnetic yoke plates 902 are opposite. The movable magnetic yoke plate 902 is fixed on the magnetic roller fixed shaft 906 through the pin shaft 2 907. The magnetic adjustment shaft 905 and the magnetic roller fixed shaft 906 are connected to the end plate 7 through bearing assembly. The hinge 904 and the pin shaft 1 903 form the connecting rod mechanism. The hinge 904 is connected to the magnetic adjustment shaft 905 and the movable magnetic yoke plate 902 through the pin shaft 1 903 respectively. The magnetic adjustment shaft 905 and the magnetic roller fixed shaft 906 pass through the non-magnetic outer cylinder 8, and the through ends of the magnetic adjustment shaft 905 and the magnetic roller fixed shaft 906 are respectively fixed to the bracket 10 through the fixing seat 5, and the magnetic adjustment handle 6 is installed on the outer end of the magnetic adjustment shaft 905.

[0033] See also Figure 1 and Figure 4 The motor reducer 1 includes a driving motor 11 and a reducer 12, the output end of the driving motor 11 is connected to the reducer 12, the output end rod 13 is connected to the output end of the reducer 12, the driving sprocket 2 and the driven sprocket 4 are both arranged inside a muffler box 14, one side of the muffler box 14 has an opening, and a closing door 15 is installed, and each side of the inner wall of the muffler box 14 is pasted with a sound insulation layer 16, and the rotating parts of the present invention that drive the drum to rotate are wrapped and installed in the muffler box 14, and the rotating parts include the driving sprocket 2, the driven sprocket 4, and the chain 3 for dust protection. On the one hand, it is ensured that external dust is not easy to stick to the driving sprocket 2, the driven sprocket 4, and the chain 3, so as to ensure that the transmission of the parts between the three is more stable. On the other hand, the design ensures that during transmission, the transmission noise between the parts is greatly reduced before being transmitted out of the muffler box 14, so as to provide a weak noise working environment for the surrounding staff. A sound insulation layer can also be installed on the inside of the closing door 15, which is not drawn in the figure.

[0034] See also Figure 4-6The sound insulation layer 16 includes a sound insulation plate 17 and a porous foam plate 18. The interior of the sound insulation plate 17 is in a cavity shape. A cross-shaped elastic sound insulation plate 19 is fixedly arranged inside the sound insulation plate 17. The elastic sound insulation plate 19 is evenly distributed with sound holes 20. The output end rod 13 passes through the sound insulation layer 16. The porous foam plate 18 is attached to the inner wall of the sound insulation box 14. The top surface of the adjacent sound insulation plate 17 and the bottom surface of the sound insulation plate 17 are both arranged with sound holes 20. 1, the sound hole 21 on the top surface of the muffler plate 17 is filled with a sound insulation block 22, a sound silencing space 23 is formed between the elastic sound silencing sheets 19, a cross-shaped plate 44 is fixedly arranged in the sound silencing space 23, a mounting bracket is fixedly arranged on one side of the outer wall of the muffler box 14, and the mounting bracket is fixed on the ground. The driving sprocket 2, the driven sprocket 4 and the chain generate noise during transmission, and the noise enters the muffler plate 17 through the sound insulation block 22 in the top sound hole 1, and the sound insulation The sound block is a cotton block, and the sound will collide with the elastic sound-absorbing sheet 19, the cross-shaped plate 44, and the arc-shaped sound-grinding sheet 45. The design of the elastic sound-absorbing sheet 19, the cross-shaped plate 44, and the arc-shaped sound-grinding sheet 45 can produce multiple refractions or diffractions of the collision sound, thereby reducing the energy of the noise. The sound then enters the porous foam plate 18. At this time, the porous structure of the porous foam plate 18 can absorb the energy of the sound, and finally the noise-reduced sound is transmitted to the outside of the sound-absorbing box 14. The elastic sound-absorbing sheet 19, the cross-shaped plate 44, The arc-shaped sound-grinding plates 45 are arranged in a staggered refraction arrangement, which can produce multiple refractions or diffractions of the noise. The sound collides with the corresponding side surfaces multiple times, repeatedly causing the energy of the sound to be lost, thereby achieving a silencing effect, and achieving a good silencing effect on the high-frequency noise. The output end rod 13 penetrates the sound insulation layer plate 16. At the position where the output end rod 13 penetrates the sound insulation layer plate 16, the sound insulation layer plate 16 cannot be designed with a silencing plate 17 to avoid blocking the penetration of the output end rod 13 due to the design of the silencing plate 17. Figure 5 Directly seen in.

[0035] See also Figure 4 and Figure 7A sound-absorbing cover 24 is fixedly provided at the top and the bottom of the sound-absorbing box 14. A sound-absorbing cover 24 is provided on the sound-absorbing cover 24, and a sound-absorbing pipe 25 is provided on the sound-absorbing cover 24, and the sound-absorbing pipes 25 are all square pipes, and the number is multiple. A cross-shaped auxiliary elastic sound-absorbing sheet 26 is fixedly provided inside the sound-absorbing pipe 25, and a sound hole three is arranged on the auxiliary elastic sound-absorbing sheet 26. A sound-absorbing cotton layer 27 is pasted on the inner wall of the sound-absorbing pipe 25 and the sound-absorbing cover 24. A wave-shaped sound-absorbing sheet 28 is also fixedly provided inside the sound-absorbing cover 24. The wavy sound-absorbing sheet 28 can produce multiple refractions or diffractions of the noise, thereby reducing the energy of the noise. The design of the auxiliary elastic sound-absorbing sheet 26 is also to ensure multiple refractions or diffractions of the sound. The sound is first reduced by the auxiliary elastic sound-absorbing sheet 26 inside the sound inlet pipe 25, and then the reduced sound is transmitted into the sound-absorbing cover 24. The sound collides with the auxiliary elastic sound-absorbing sheet 26 and the wavy sound-absorbing sheet 28, causing the sound to collide and rub against the side of its components, and finally the sound is greatly reduced, repeatedly causing the energy of the sound to be lost, achieving a silencing effect, and achieving a good silencing effect for the high-frequency noise.

[0036] See also Figure 4 and Figure 8An oil tank 29 is fixedly arranged on the back of the muffler box 14, and an oil pump 30 is fixedly arranged on the outer wall of the oil tank 29. The oil pump 30 is connected to the oil tank 29 through an oil suction pipe 31. The oil pump 30 is also provided with an oil injection pipe 32, which runs through the muffler box 14 and the sound insulation layer board 16, and an oil injection ring 33 is fixedly arranged on the other end of the oil injection pipe 32, and oil injection nozzles 34 are evenly arranged on the inner side of the oil injection ring 33. The oil pump 30 is a high-pressure pump, and an electromagnetic valve 35 is fixedly arranged at the internal position of the oil injection pipe 32. A bracket is fixedly arranged at the top of the muffler box 14, and a noise detector 36 is fixedly arranged at the bottom of the bracket. The noise detector 36 is located at Above the driving sprocket 2, a controller 37 is fixedly provided on the outer wall of the muffler box 14. The controller 37 is connected to the noise detector 36, the solenoid valve 35 and the oil pump 30. The oil pump 30 can cooperate with the oil suction pipe 31 to absorb the oil inside the oil tank 29, and the oil is then sprayed on the chain from the oil injection pipe 32, the oil injection ring 33, and the oil injection nozzle 34. After the chain 3 is lubricated, the lubrication thereon will eventually act on the driving sprocket 2 and the driven sprocket 4, ensuring that the transmission of the components among the driving sprocket 2, the driven sprocket 4 and the chain 3 is more stable. The noise generated by the transmission after lubrication will also be greatly reduced. Therefore, lubricating the chain also has a noise reduction effect. A flow meter, an oil injection pipe 32 and an oil pump 30 are provided. The solenoid valve and controller 37, the flow meter accurately measures the raw material delivery volume, and can quantitatively extract lubricating oil into the oil tank 29. The lubricating oil is more accurately and effectively controlled to be delivered and sprayed on the chain. The noise detector 36 is designed near the driving sprocket 2, and the sound source comes from the driving sprocket 2, so the detection accuracy is higher. The decibel range value is designed in the noise detector 36, and the setting controller can control the rated decibel value. When the noise exceeds the rated decibel value, the oil pump 30 can be controlled by the controller to complete the lubrication of the chain 3. Therefore, it not only ensures the stability of the transmission between the driving sprocket, chain, and driven sprocket, but also ensures that the transmission noise between the driving sprocket, chain, and driven sprocket is greatly reduced.

[0037] See also Figure 1 , Figure 2 , Figure 3 and Fig. 9The non-magnetic outer cylinder 8 is divided into an outer cylinder body 39 and an inner cylinder body 40, and a secondary sound insulation space is formed between the outer cylinder body 39 and the inner cylinder body 40. A plurality of arch-shaped sound-absorbing sheets 41 are fixedly provided in the secondary sound insulation space, and a cross-shaped sound-grinding sheet 42 is fixedly provided in the arch-shaped sound-absorbing sheet 41. The secondary sound insulation space is also filled with a secondary sound-absorbing cotton layer 43. The design of the non-magnetic outer cylinder 8 ensures that the magnetic structure designed internally can have a good sound-absorbing effect when working, and the noise generated during work will enter the secondary sound insulation space. The staggered and disordered design of the arch-shaped sound-absorbing sheets 41 and the sound-grinding sheets 42 ensures that the internal sound can produce multiple refractions or diffractions, thereby reducing the energy of the noise. Sound holes also need to be designed on the arch-shaped sound-absorbing sheets 41 and the sound-grinding sheets 42 to ensure that the sound passes through the sound holes and collides with the sides of the arch-shaped sound-absorbing sheets 41 and the sound-grinding sheets 42, so that the sound produces multiple refractions or diffractions, and finally plays the role of attrition of the sound.

[0038] During specific operation, the motor reducer 1 drives the active sprocket 2 to rotate, so the active sprocket 2 drives the driven sprocket 4 synchronously connected to the chain 3 to rotate, and finally drives the non-magnetic outer cylinder 8 to rotate clockwise. Because the magnetic adjustment handle 6 is installed at the outer end of the magnetic adjustment shaft 905, the magnetic adjustment shaft 905 can be driven to rotate by manual rotation of the external magnetic adjustment handle 6. The magnetic adjustment shaft 905 and the magnetic roller fixed shaft 906 are connected to the end plate 7 through the bearing assembly. Therefore, the magnetic adjustment shaft 905 and the magnetic roller fixed shaft 906 are rotationally connected. The rotational connection method can facilitate the rotation of the magnetic adjustment shaft 905 by manual rotation of the magnetic adjustment handle 6. The rotating magnetic adjustment shaft 905 rotates counterclockwise, and the movable magnetic yoke plate 902 is driven to rotate on the magnetic roller fixed shaft 906 through the connecting rod mechanism. The connecting rod mechanism is also the hinge 9 04 and the connecting transmission component composed of the pin shaft 903, the purpose of designing the connecting rod mechanism is to ensure that the magnetic adjustment shaft 905 and the movable magnetic yoke plate 902 are hingedly connected as a whole. Specifically, the hinge 904 between the magnetic adjustment shaft 905 and the movable magnetic yoke plate 902 is hinged with the pin shaft 903, and the movable magnetic yoke plate 902 is also hinged on the fixed shaft 906 of the magnetic roller, and the final rotation drives the permanent magnet block 901 on the movable magnetic yoke plate 902 to offset, and the gap between the offset permanent magnet block 901 and the non-magnetic outer cylinder 8 becomes larger, thereby reducing the magnetic field strength on the surface of the permanent magnet roller, and the reverse rotation of the magnetic adjustment shaft 905 increases the magnetic field on the surface of the cylinder, which drives the permanent magnet block 901 not to offset, so that the gap between the permanent magnet block 901 and the non-magnetic outer cylinder 8 becomes smaller, completing the work of increasing the magnetic field on the surface of the cylinder.

[0039] In response to the above technical problems in the related art, the present invention proposes an opening and closing magnetic adjustment structure permanent magnetic roller, each permanent magnetic block and movable magnetic yoke plate are connected to the magnetic roller fixed shaft and the magnetic adjustment shaft by a hinge, so that the permanent magnetic block inside the permanent magnetic roller can be adjusted in position and angle by rotating the magnetic adjustment shaft at the end, changing the air gap of the permanent magnetic block and the magnetic flux cross section of the movable magnetic yoke plate, thereby realizing stepless adjustment of the magnetic field on the surface of the permanent magnetic roller. The opening and closing magnetic adjustment structure permanent magnetic roller has the advantages of a large magnetic field adjustment range and convenient operation, which can significantly solve the need of adjusting the magnetic field intensity of the magnetic separation production line to change the grade of the magnetic separation product, and can overcome the above shortcomings of the prior art.

[0040] The rotating parts driving the drum are installed in a wrapped manner in a muffler box 14. The rotating parts include the driving sprocket 2, the driven sprocket 4, and the chain 3 for dust protection. On the one hand, it is ensured that external dust is not easy to stick to the driving sprocket 2, the driven sprocket 4, and the chain 3, ensuring that the transmission between the three parts is more stable. On the other hand, the design ensures that during transmission, the transmission noise between the parts is greatly reduced before being transmitted out of the muffler box 14, so as to provide a weak noise working environment for the surrounding staff. The transmission between the driving sprocket 2, the driven sprocket 4, and the chain generates noise, and the noise enters the muffler plate 17 through the sound insulation block 22 inside the top sound hole 20. Inside, the sound insulation block is a cotton block, and the sound will collide with the elastic sound-absorbing sheet 19, the cross-shaped plate 44, and the arc-shaped sound-grinding sheet 45. The design of the elastic sound-absorbing sheet 19, the cross-shaped plate 44, and the arc-shaped sound-grinding sheet 45 can produce multiple refractions or diffractions on the collision sound, thereby reducing the energy of the noise. The sound then enters the porous foam plate 18. At this time, the porous structure of the porous foam plate 18 can absorb the energy of the sound, and finally the noise-reduced sound is transmitted to the outside of the sound-absorbing box 14. The elastic sound-absorbing sheet 19, the cross-shaped plate 44, and the arc-shaped sound-grinding sheet 45 are arranged in a staggered refraction arrangement, which can produce multiple refractions or diffractions on the noise, and the sound and the corresponding side The sound is then reflected back to the sound chamber 24, and the sound is then reflected back to the sound chamber 24. The sound is then reflected back to the sound chamber 24, and the sound is reflected back to the sound chamber 24. The sound is then reflected back to the sound chamber 24, and the sound is reflected back to the sound chamber 24. The sound is then reflected back to the sound chamber 24, and the sound is reflected back to the sound chamber 24. The sound is greatly reduced, and the energy of the sound is repeatedly lost, which has a silencing effect, so that the high-frequency noise can achieve a good silencing effect. The oil pump 30 can cooperate with the oil suction pipe 31 to absorb the oil inside the oil tank 29, and the oil is then sprayed on the chain from the oil injection pipe 32, the oil injection ring 33, and the oil injection nozzle 34. After the chain 3 is lubricated, the lubrication thereon will eventually act on the driving sprocket 2 and the driven sprocket 4, ensuring that the transmission of the components among the driving sprocket 2, the driven sprocket 4, and the chain 3 is more stable. The noise generated by the transmission after lubrication will also be greatly reduced. Therefore, lubricating the chain also has a noise reduction effect, and a flow meter, an oil injection pipe 32, and an oil pump 30 are set.The solenoid valve and controller 37, the flow meter can accurately measure the raw material delivery amount, and can quantitatively extract lubricating oil into the oil tank 29. The lubricating oil is more accurately and effectively controlled to be delivered and sprayed on the chain. The noise detector 36 is designed near the driving sprocket 2. The sound source comes from the driving sprocket 2, so the detection accuracy is higher. The decibel range value is designed in the noise detector 36, and the setting controller can control the rated decibel value. When the noise exceeds the rated decibel value, the oil pump 30 can be controlled by the controller to complete the chain lubrication. Therefore, it not only ensures the stability of the transmission components, but also To ensure that the transmission noise is greatly reduced, the design of the non-magnetic outer cylinder 8 ensures that the magnetic structure designed inside can have a good sound-absorbing effect when working. The noise generated during work will enter the secondary sound insulation space. The arched sound-absorbing plates 41 and the sound-grinding plates 42 are staggered and disordered, ensuring that the internal sound can produce multiple refractions or diffractions, thereby reducing the energy of the noise. Sound holes also need to be designed on the arched sound-absorbing plates 41 and the sound-grinding plates 42 to ensure that the sound passes through the sound holes and collides with the sides of the arched sound-absorbing plates 41 and the sound-grinding plates 42, so that the sound produces multiple refractions or diffractions, which ultimately plays a role in eliminating the sound.

[0041] A mounting bracket is fixed on one side of the outer wall of the muffler box 14, and the mounting bracket is fixed on the ground. The mounting bracket supports the entire muffler box. The motor reducer 1 includes a drive motor 11 and a reducer 12. The motor reducer 1 requires a horizontal plate. Figure 1 It can be directly seen that the transverse plate can be fixed on the outer wall of the muffler box 14, so that the motor reducer 1 is connected to the muffler box 14 through the transverse plate, and the motor reducer 1 is supported and fixed.

[0042] Silencer box 14 Figure 1 It can be clearly seen that the components designed on the permanent magnet drum of the opening and closing magnetic modulation structure are to penetrate the muffler box 14, and a corresponding through-hole needs to be opened on the muffler box 14 to ensure that the muffler box 14 just wraps the driving sprocket 2, the driven sprocket 4, and the chain 3 inside. Figure 4 The through-hole can be directly seen in the figure, and the specific shape of the through-hole matches the shape of the through-hole component designed on the permanent magnet drum of the opening and closing magnetic modulation structure. A sound insulation layer is pasted on each side of the inner wall of the silencer 14, and a through-hole of the same caliber needs to be opened on the sound insulation layer on the side where the through-hole is opened.

[0043] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. Open and close magnetic adjustment structure permanent magnet roller, characterized by: The invention comprises a motor reducer (1), a driving sprocket (2), a chain (3), a driven sprocket (4), a fixing seat (5), a magnetic adjustment handle (6), an end plate (7), a non-magnetic outer cylinder (8), an adjustable magnetic roller (9) and a bracket (10), wherein the non-magnetic outer cylinder (8) is fixed to the end plate (7) by means of screws, the driven sprocket (4) is fixed to the end plate (7) by means of auxiliary bolts, the driving sprocket (2) is fixedly provided on the output end rod (13) of the motor reducer (1), and the chain (3) is sleeved between the driving sprocket (2) and the driven sprocket (4); The adjustable magnetic roller (9) comprises a magnetic adjustment shaft (905), a magnetic roller fixed shaft (906), a permanent magnet block (901), a movable magnetic yoke plate (902), a first pin shaft (903), a second pin shaft (907) and a hinge (904); the magnetic adjustment shaft (905) rotates along a circle to drive the movable magnetic yoke plate (902) to rotate via a connecting rod mechanism; the permanent magnet block (901) is fixed on the movable magnetic yoke plate (902), and the magnetic field polarity directions of the permanent magnet blocks (901) on adjacent movable magnetic yoke plates (902) are opposite; the movable magnetic yoke plate (902) is fixed on the magnetic roller fixed shaft (906) via the second pin shaft (907); the magnetic adjustment shaft (90 5) is connected to the end plate (7) through a bearing assembly with the magnetic roller fixed shaft (906), the hinge (904) and the pin shaft one (903) form the connecting rod mechanism, the hinge (904) is connected to the magnetic adjustment shaft (905) and the movable magnetic yoke plate (902) through the pin shaft one (903), the magnetic adjustment shaft (905) and the magnetic roller fixed shaft (906) pass through the non-magnetic outer cylinder (8), and the through ends of the magnetic adjustment shaft (905) and the magnetic roller fixed shaft (906) are fixed to the bracket (10) through the fixing seat (5), and the magnetic adjustment handle (6) is installed on the outer end of the magnetic adjustment shaft (905).

2. The permanent magnet roller with an opening and closing magnetic adjustment structure according to claim 1 is characterized in that: The non-magnetic outer cylinder (8) is made of non-magnetic material, and the movable magnetic yoke plate (902) is made of magnetic conductive material.

3. The permanent magnet drum with an opening and closing magnetic adjustment structure according to claim 2 is characterized in that: The motor reducer (1) comprises a driving motor (11) and a reducer (12); the output end of the driving motor (11) is connected to the reducer (12); the output end rod (13) is connected to the output end of the reducer (12); the driving sprocket (2) and the driven sprocket (4) are both arranged inside a muffler box (14); one side of the muffler box (14) has an opening and is provided with a closing door (15); each side of the inner wall of the muffler box (14) is bonded with a sound insulation layer (16); and the outer wall of the muffler box (14) is fixedly provided with an overlap.

4. The permanent magnet drum with an opening and closing magnetic adjustment structure according to claim 3 is characterized in that: The sound insulation layer plate (16) comprises a sound insulation plate (17) and a porous foam plate (18); the interior of the sound insulation plate (17) is in a cavity shape; a cross-shaped elastic sound insulation sheet (19) is fixedly provided inside the sound insulation plate (17); sound holes (20) are evenly distributed on the elastic sound insulation sheet (19); the output end rod (13) passes through the sound insulation layer plate (16); the porous foam plate (18) is adhered to the inner wall of the sound insulation box (14); a mounting bracket is fixedly provided on one side of the outer wall of the sound insulation box (14); and the mounting bracket is fixed on the ground.

5. The permanent magnet drum with an opening and closing magnetic adjustment structure according to claim 4 is characterized in that: The top surface of the adjacent sound-absorbing plate (17) and the bottom surface of the sound-absorbing plate (17) are both provided with a second sound hole (21), the interior of the second sound hole (21) on the top surface of the sound-absorbing plate (17) is filled with a sound insulation block (22), and a sound-absorbing space (23) is formed between the elastic sound-absorbing plates (19).

6. The permanent magnet drum with an opening and closing magnetic adjustment structure according to claim 5 is characterized in that: A cross-shaped plate (44) is fixedly provided in the silencing space (23), and an arc-shaped sound-grinding plate (45) is fixedly provided on the cross-shaped plate (44).

7. The permanent magnet drum with an opening and closing magnetic adjustment structure according to claim 6 is characterized in that: A soundproofing cover (24) is fixedly provided at the top end and the bottom end of the soundproofing box (14), and a sound inlet pipe (25) penetrating the soundproofing box (14) and the sound insulation layer plate (16) is provided on the soundproofing cover (24). The number of the sound inlet pipes (25) is a plurality of square pipes, and a cross-shaped auxiliary elastic soundproofing sheet (26) is fixedly provided inside the sound inlet pipe (25). Three sound holes are arranged on the auxiliary elastic soundproofing sheet (26). Soundproofing cotton layers (27) are pasted on the inner walls of the sound inlet pipe (25) and the soundproofing cover (24), and a wave-shaped soundproofing sheet (28) is also fixedly provided inside the soundproofing cover (24).

8. The permanent magnet drum with an opening and closing magnetic adjustment structure according to claim 7 is characterized in that: An oil tank (29) is fixedly provided on the back of the muffler box (14), an oil pump (30) is fixedly provided on the outer wall of the oil tank (29), the oil pump (30) is connected to the oil tank (29) via an oil suction pipe (31), and an oil injection pipe (32) is also provided on the oil pump (30), the oil injection pipe (32) passes through the muffler box (14) and the sound insulation layer plate (16), and an oil injection ring (33) is fixedly provided on the other end of the oil injection pipe (32).

9. The permanent magnet roller with an opening and closing magnetic adjustment structure according to claim 8 is characterized in that: The inner side of the oil injection ring (33) is evenly arranged with oil injection nozzles (34); the oil pump (30) is a high-pressure pump; an electromagnetic valve (35) is fixedly arranged at an inner position of the oil injection pipe (32); a flow meter is also arranged on the oil injection pipe (32); a bracket is fixedly arranged at the top end of the silencer box (14); a noise detector (36) is fixedly arranged at the bottom end of the bracket; the noise detector (36) is located above the driving sprocket (2); a controller (37) is fixedly arranged on the outer wall of the silencer box (14); the controller (37) is connected to the noise detector (36), the electromagnetic valve (35) and the oil pump (30).

10. The permanent magnet drum with an opening and closing magnetic adjustment structure according to claim 9 is characterized in that: The non-magnetic outer cylinder (8) is divided into an outer cylinder body (39) and an inner cylinder body (40), a secondary sound insulation space is formed between the outer cylinder body (39) and the inner cylinder body (40), a plurality of arch-shaped sound-absorbing sheets (41) are fixedly arranged in the secondary sound insulation space, a cross-shaped sound-absorbing sheet (42) is fixedly arranged in the arch-shaped sound-absorbing sheet (41), and the secondary sound insulation space is also filled with a secondary sound-absorbing cotton layer (43).

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