Cooling device for permanent magnet roller

Abstract

The utility model discloses a cooling device for a permanent magnet roller, which relates to the technical field of permanent magnet rollers and comprises a bottom plate, the bottom of the bottom plate is fixedly connected with a cooling mechanism, the front side of the cooling mechanism is fixedly connected with a water filling nozzle, and the left and right parts of the top of the cooling mechanism are fixedly connected with two side plates. The upper portions of the two side plates are movably connected with a permanent magnet roller body, the upper portions of the two side plates are movably connected with a mounting mechanism, and the mounting mechanism comprises a cooling pipe sleeve. According to the cooling device for the permanent magnet roller, the cooling pipe sleeve can be stabilized on the permanent magnet roller main body through the multiple connecting rods and the multiple connecting holes, the cooling pipe sleeve cannot be separated from the permanent magnet roller main body through the arranged side plates, and the threaded rod and the telescopic pipe are arranged in a matched mode, so that the cooling effect is good. And a water source can smoothly enter the water injection cavity, so that rapid installation of the cooling pipe sleeve is completed, and the subsequent cooling effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet rollers, in particular to a cooling device for permanent magnet rollers. Background Art

[0002] At present, magnetic separators generally use permanent magnetic electric rollers as driving devices. Permanent magnetic electric rollers are small in size and can directly drive loads. During operation, permanent magnetic electric rollers have high requirements for the environment and need to be cooled. Air cooling is usually used for heat dissipation, which has a complex heat dissipation structure, occupies a large space, has low heat exchange efficiency, cannot take away heat in time, and has poor heat dissipation effect, which can easily cause the coil to burn and damage the equipment.

[0003] For example, the Chinese patent with publication number CN220382886U discloses a cooling device for a permanent magnetic electric drum, including a bracket, a drum and a main hollow shaft, the main hollow shaft passes through one end of the drum and is rotatably connected to the bracket, a stator and a rotor are arranged in the drum, the drum is fixedly connected to the rotor through the main hollow shaft, a cooling cavity is arranged in the rotor, a water inlet pipe is installed at one end of the rotor, a rotary joint is installed at the other end of the water inlet pipe, a water outlet through hole is arranged on the rotor, the water outlet through hole is located above the water inlet pipe, one end of the water outlet through hole is connected to the cooling cavity, a cooling pipeline is arranged in the drum, a water inlet pipeline is arranged at one end of the cooling pipeline, and a water outlet pipeline is arranged at the other end of the cooling pipeline. The beneficial effect of the utility model is that the rotor, stator and drum are effectively cooled and cooled, the cooling efficiency is improved, the heat can be taken away in time, the coil is prevented from burning, the service life of the equipment is improved, the cooling water can be recycled, and the cost is saved.

[0004] The existing technology has the following problems:

[0005] The existing cooling device cannot circulate the cooling water well, resulting in the cooling of the permanent magnet drum not achieving the ideal effect, and causing a certain waste of water resources. At the same time, the existing cooling device cannot be installed and disassembled well, and scale is easily formed on the inner wall after long-term use, affecting the cooling effect. Utility Model Content

[0006] The utility model provides a cooling device for a permanent magnet drum to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A cooling device for a permanent magnet drum comprises a bottom plate, a cooling mechanism is fixedly connected to the bottom of the bottom plate, a water inlet is fixedly connected to the front side of the cooling mechanism, two side plates are fixedly connected to the left and right parts of the top of the cooling mechanism, a permanent magnet drum body is movably connected to the upper parts of the two side plates, and a mounting mechanism is movably connected to the upper parts of the two side plates.

[0009] Preferably: the mounting mechanism comprises a cooling sleeve, two connecting circular plates are fixedly connected to the left and right sides of the cooling sleeve, two limiting rods are fixedly connected to the front and rear parts of the opposite surfaces of the two connecting circular plates, two limiting grooves are provided at the front and rear parts of the upper parts of the two side plates, the surfaces of the two limiting rods are movably connected to the surfaces of the two limiting grooves, the inner wall of the cooling sleeve is movably connected to the surface of the permanent magnet drum body, circular holes are provided at the upper position on the right side and the lower position on the left side of the cooling sleeve, threaded holes are provided at the lower part of the connecting circular plate on the left and the upper part of the connecting circular plate on the right, and square grooves are provided at the middle position of the upper part of the two side plates.

[0010] Preferably, a water injection cavity is provided inside the cooling pipe sleeve, the water injection cavity is in the shape of a circular ring plate, and the left and right sides of the water injection cavity are connected to two circular holes.

[0011] Preferably, the four corners of the left and right sides of the cooling sleeve are fixedly connected with connecting rods, and the four corners of the opposite surfaces of the two connecting circular plates are provided with connecting holes, and the connecting holes and the connecting rods are consistent in shape and size.

[0012] Preferably, the width of the square groove is slightly larger than the diameter of the left and right ends of the permanent magnet drum body, and the height of the square groove is consistent with the height of the connecting hole.

[0013] Preferably: the cooling mechanism includes a water tank, the top of the water tank is fixedly connected to the bottom of the base plate, the bottom of the inner wall of the water tank is fixedly connected with a cooling pipe, the left side of the water tank is fixedly connected with a water pump, the input end of the water pump is fixedly connected with a water pumping pipe, the right end of the water pumping pipe passes through the left end of the water tank, the output end of the water pump is fixedly connected with a water inlet pipe, the right side of the water tank is fixedly connected with a water outlet pipe, the upper end of the water inlet pipe and the upper end of the water outlet pipe are fixedly connected with two telescopic tubes, the opposite ends of the two telescopic tubes are rotatably connected with two threaded rods, and the surfaces of the two threaded rods are respectively threadedly connected to the surfaces of two threaded holes located on the upper and lower sides.

[0014] Preferably, the interiors of the two threaded rods are respectively communicated with the interiors of the water inlet pipe and the water outlet pipe, and the surface diameters of the two threaded rods are slightly smaller than the surface diameters of the two circular holes.

[0015] Preferably, the depth of the threaded hole is slightly smaller than the length of the threaded rod, and the two threaded holes on the upper and lower sides correspond to the circular holes on the upper and lower sides respectively.

[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0017] The utility model provides a cooling device for a permanent magnet drum. The cooling sleeve can be stabilized on the permanent magnet drum body by means of a plurality of connecting rods and a plurality of connecting holes. The side plates are arranged so that the cooling sleeve will not separate from the permanent magnet drum body. The threaded rods and telescopic tubes are arranged in cooperation so that the water source can smoothly enter the water injection cavity, thereby completing the rapid installation of the cooling sleeve and achieving a better subsequent cooling effect.

[0018] The utility model provides a cooling device for a permanent magnet drum. By starting a water pump, a water source can gradually fill a water injection cavity. The heat emitted during the rotation of the permanent magnet drum body will be absorbed by the water source in the water injection cavity, so the permanent magnet drum body can be cooled to a certain extent. With the provided cooling pipe, the water source in the water injection cavity is always cooling water with a relatively low temperature, so as to achieve a better cooling effect and achieve water circulation at the same time, thus saving water resources to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of a partial cross-sectional structure of the installation mechanism of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the installation mechanism of the utility model;

[0022] Figure 4 This is a schematic diagram of the cooling mechanism structure of the utility model;

[0023] Figure 5 It is a partial structural schematic diagram of the cooling mechanism of the utility model.

[0024] In the figure: 1. permanent magnet drum body; 2. side plate; 3. mounting mechanism; 4. cooling mechanism; 5. bottom plate; 6. water inlet; 30. square groove; 31. cooling pipe sleeve; 32. water injection cavity; 33. connecting rod; 34. round hole; 35. connecting round plate; 36. connecting hole; 37. limiting rod; 38. limiting groove; 39. threaded hole; 41. water storage tank; 42. water pump; 43. water pumping pipe; 44. water inlet pipe; 45. cooling pipe; 46. water outlet pipe; 47. telescopic pipe; 48. threaded rod. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] like Figure 1 As shown, a cooling device for a permanent magnet drum comprises a bottom plate 5, a cooling mechanism 4 is fixedly connected to the bottom of the bottom plate 5, a water injection port 6 is fixedly connected to the front side of the cooling mechanism 4, two side plates 2 are fixedly connected to the left and right parts of the top of the cooling mechanism 4, a permanent magnet drum body 1 is movably connected to the upper parts of the two side plates 2, and a mounting mechanism 3 is movably connected to the upper parts of the two side plates 2.

[0027] It should be noted that, through the water inlet 6, water can be added to the water tank 41. With the cooling mechanism 4, the permanent magnet drum body 1 can be cooled to a certain extent, and water circulation can be achieved at the same time, which saves water resources to a certain extent. Through the installation mechanism 3, the cooling sleeve 31 can be replaced quickly and conveniently, so that the subsequent cooling effect is better.

[0028] like Figure 2 , Figure 3 As shown, the mounting mechanism 3 includes a cooling sleeve 31, and two connecting circular plates 35 are fixedly connected to the left and right sides of the cooling sleeve 31, and two limiting rods 37 are fixedly connected to the front and rear parts of the opposite surfaces of the two connecting circular plates 35, and two limiting grooves 38 are provided at the front and rear parts of the upper parts of the two side plates 2, and the surfaces of the two limiting rods 37 are movably connected to the surfaces of the two limiting grooves 38, and the inner wall of the cooling sleeve 31 is movably connected to the surface of the permanent magnet drum body 1, and circular holes 34 are provided at the upper position on the right side and the lower position on the left side of the cooling sleeve 31, and threaded holes 39 are provided at the lower part of the left connecting circular plate 35 and the upper part of the right connecting circular plate 35, and square grooves 30 are provided at the middle position of the upper part of the two side plates 2.

[0029] It should be noted that the permanent magnet drum body 1 is lifted upward so that the permanent magnet drum body 1 is separated from the side plate 2, and at the same time, the two connecting circular plates 35 are driven to separate from the side plate 2, and then the two connecting circular plates 35 are pulled outward so that the connecting rod 33 is separated from the connecting hole 36, and then the cooling sleeve 31 can be pulled so that the cooling sleeve 31 is separated from the permanent magnet drum body 1, and then the cooling sleeve 31 is replaced. After replacing the new cooling sleeve 31, the two connecting circular plates 35 are moved toward the middle so that each connecting rod 33 slides into the corresponding connecting hole 36, and then the permanent magnet drum body 1 is moved downward so that the permanent magnet drum body 1 slides into the side plate 2, and at the same time, the two limiting rods 37 slide into the limiting groove 38, and then the limiting groove 38 is pulled to stretch the telescopic tube 47, and the threaded rod 48 is rotated counterclockwise so that the threaded rod 48 smoothly passes through the circular hole 34, thereby completing the rapid installation of the cooling sleeve 31, so that the subsequent cooling effect is better.

[0030] like Figure 2 As shown, a water injection cavity 32 is provided inside the cooling pipe sleeve 31 . The water injection cavity 32 is in the shape of a circular ring plate, and the left and right sides of the water injection cavity 32 are communicated with two circular holes 34 .

[0031] It should be noted that the water source gradually fills the water injection cavity 32 , and the heat emitted during the rotation of the permanent magnet drum body 1 will be absorbed by the water source in the water injection cavity 32 , so that the permanent magnet drum body 1 can be cooled to a certain extent.

[0032] like Figure 2 , Figure 3 As shown, the four corners of the left and right sides of the cooling sleeve 31 are fixedly connected with connecting rods 33, and the four corners of the opposite sides of the two connecting circular plates 35 are provided with connecting holes 36, and the connecting holes 36 and the connecting rods 33 are consistent in shape and size.

[0033] It should be noted that each connecting rod 33 slides into the corresponding connecting hole 36 , so that the cooling sleeve 31 can be fixed on the permanent magnet drum body 1 .

[0034] like Figure 2 , Figure 3 As shown, the width of the square groove 30 is slightly larger than the diameter of the left and right ends of the permanent magnet drum body 1 , and the height of the square groove 30 is consistent with the height of the connecting hole 36 .

[0035] It should be noted that the permanent magnet drum body 1 slides into the square groove 30 , and at the same time, the two limiting rods 37 slide into the limiting grooves 38 , thereby completing the rapid installation of the cooling sleeve 31 .

[0036] like Figure 4 , Figure 5 As shown, the cooling mechanism 4 includes a water tank 41, the top of the water tank 41 is fixedly connected to the bottom of the base plate 5, a cooling pipe 45 is fixedly connected to the bottom of the inner wall of the water tank 41, a water pump 42 is fixedly connected to the left side of the water tank 41, the input end of the water pump 42 is fixedly connected to a water pumping pipe 43, the right end of the water pumping pipe 43 passes through the left end of the water tank 41, the output end of the water pump 42 is fixedly connected to a water inlet pipe 44, and the right side of the water tank 41 is fixedly connected to a water outlet pipe 46, the upper end of the water inlet pipe 44 and the upper end of the water outlet pipe 46 are fixedly connected to two telescopic tubes 47, the opposite ends of the two telescopic tubes 47 are rotatably connected to two threaded rods 48, and the surfaces of the two threaded rods 48 are respectively threadedly connected to the surfaces of the two threaded holes 39 located on the upper and lower sides.

[0037] It should be noted that water is added to the water tank 41 through the water injection port 6, and the cooling pipe 45 is energized so that the cooling pipe 45 emits low temperature, which can quickly cool the water source. Then, the water pump 42 is started so that the water pump 43 can absorb the water source in the water tank 41 and transmit it to the water inlet pipe 44. The water inlet pipe 44 is connected to the threaded rod 48, so that the water source smoothly enters the water injection chamber 32, and the water source gradually fills the water injection chamber 32. The heat emitted during the rotation of the permanent magnet drum body 1 will be absorbed by the water source in the water injection chamber 32, which can cool the permanent magnet drum body 1 to a certain extent. Then, the water source will enter the water outlet pipe 46 along the circular hole 34, and the lower end of the water outlet pipe 46 is arranged to be connected to the water tank 41, so that the water source can enter the water tank 41 again for cooling, so as to achieve a circulation effect, so that the water source in the water injection chamber 32 is always cooling water with a lower temperature, so as to achieve a better cooling effect, and at the same time achieve water circulation, which saves water resources to a certain extent.

[0038] like Figure 2 , Figure 4 As shown, the interiors of the two threaded rods 48 are respectively connected to the interiors of the water inlet pipe 44 and the water outlet pipe 46 , and the surface diameters of the two threaded rods 48 are slightly smaller than the surface diameters of the two circular holes 34 .

[0039] It should be noted that the water inlet pipe 44 is connected to the threaded rod 48 , so that the water source can smoothly enter the water injection chamber 32 .

[0040] like Figure 3 , Figure 4 As shown, the depth of the threaded hole 39 is slightly smaller than the length of the threaded rod 48, and the two threaded holes 39 on the upper and lower sides correspond to the circular holes 34 on the upper and lower sides respectively.

[0041] It should be noted that the threaded rod 48 passes through the circular hole 34 smoothly, thereby completing the rapid installation of the cooling sleeve 31 .

[0042] Working principle of the utility model: the electrical equipment used in the device is controlled by an external controller, and the rotating magnetic field generated by the stator inside the permanent magnetic drum body 1 is synchronously rotated with the rotor magnetic field inside the permanent magnetic drum body 1, which can drive the permanent magnetic drum body 1 to rotate, and water is added to the water storage tank 41 through the water injection port 6, and the cooling pipe 45 is energized to make the cooling pipe 45 emit low temperature, which can quickly cool the water source, and then the water pump 42 is started, so that the water pump 43 can absorb the water source in the water storage tank 41 and transmit it to the water inlet pipe 44, and the water inlet pipe 44 and the threaded The rod 48 is connected, so that the water source can smoothly enter the water injection chamber 32, and the water source gradually fills the water injection chamber 32. The heat emitted during the rotation of the permanent magnet drum body 1 will be absorbed by the water source in the water injection chamber 32, which can cool the permanent magnet drum body 1 to a certain extent. Then the water source will enter the water outlet pipe 46 along the circular hole 34, and the lower end of the water outlet pipe 46 is arranged to be connected with the water storage tank 41, so that the water source can enter the water storage tank 41 again for cooling, so as to achieve the effect of circulation, so that the water source in the water injection chamber 32 is always cooling water with a lower temperature, so as to achieve a better cooling effect, and at the same time achieve the water circulation. The threaded rod 48 is rotated clockwise to move the threaded rod 48 outward, and the telescopic tube 47 can be extended and retracted. At the same time, the telescopic tube 47 is compressed to the shortest, so that the threaded rod 48 can be separated from the threaded hole 39, and then the permanent magnet drum body 1 is lifted upward to separate the permanent magnet drum body 1 from the side plate 2, and at the same time, the two connecting circular plates 35 are driven to separate from the side plate 2, and then the two connecting circular plates 35 are pulled outward to separate the connecting rod 33 from the connecting hole 36, and then the cooling pipe sleeve 31 can be pulled to separate the cooling pipe sleeve 31 from the permanent magnet drum body. After the new cooling sleeve 31 is replaced, the two connecting circular plates 35 are moved toward the middle so that each connecting rod 33 slides into the corresponding connecting hole 36, and then the permanent magnet drum body 1 is moved downward so that the permanent magnet drum body 1 slides into the side plate 2. At the same time, the two limiting rods 37 slide into the limiting grooves 38, and then the limiting grooves 38 are pulled to stretch the telescopic tube 47, and the threaded rod 48 is rotated counterclockwise so that the threaded rod 48 passes through the circular hole 34 smoothly, thereby completing the rapid installation of the cooling sleeve 31, so that the subsequent cooling effect is better.

[0043] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cooling device for a permanent magnet drum, comprising a bottom plate (5), characterized in that: The bottom of the base plate (5) is fixedly connected to a cooling mechanism (4), the front side of the cooling mechanism (4) is fixedly connected to a water injection port (6), the left and right parts of the top of the cooling mechanism (4) are fixedly connected to two side plates (2), the upper parts of the two side plates (2) are movably connected to a permanent magnet roller body (1), and the upper parts of the two side plates (2) are movably connected to a mounting mechanism (3).

2. A cooling device for a permanent magnet drum according to claim 1, characterized in that: The mounting mechanism (3) comprises a cooling sleeve (31), two connecting circular plates (35) are fixedly connected to the left and right sides of the cooling sleeve (31), two limiting rods (37) are fixedly connected to the front and rear parts of the opposite surfaces of the two connecting circular plates (35), two limiting grooves (38) are provided at the front and rear parts of the upper parts of the two side plates (2), the surfaces of the two limiting rods (37) are movably connected to the surfaces of the two limiting grooves (38), the inner wall of the cooling sleeve (31) is movably connected to the surface of the permanent magnet roller body (1), the upper part of the right side and the lower part of the left side of the cooling sleeve (31) are both provided with round holes (34), the lower part of the connecting circular plate (35) on the left side and the upper part of the connecting circular plate (35) on the right side are both provided with threaded holes (39), and the middle part of the upper parts of the two side plates (2) are both provided with square grooves (30).

3. A cooling device for a permanent magnet drum according to claim 2, characterized in that: A water injection cavity (32) is provided inside the cooling pipe sleeve (31), the water injection cavity (32) is in the shape of a circular ring plate, and the left and right sides of the water injection cavity (32) are in communication with two circular holes (34).

4. A cooling device for a permanent magnet drum according to claim 2, characterized in that: The four corners on the left and right sides of the cooling pipe sleeve (31) are fixedly connected to connecting rods (33), and the four corners on the opposite sides of the two connecting circular plates (35) are provided with connecting holes (36), and the connecting holes (36) are consistent in shape and size with the connecting rods (33).

5. A cooling device for a permanent magnet drum according to claim 2, characterized in that: The width of the square groove (30) is slightly larger than the diameter of the left and right ends of the permanent magnet roller body (1), and the height of the square groove (30) is consistent with the height of the connecting hole (36).

6. A cooling device for a permanent magnet drum according to claim 2, characterized in that: The cooling mechanism (4) comprises a water storage tank (41), the top of the water storage tank (41) is fixedly connected to the bottom of the bottom plate (5), the bottom of the inner wall of the water storage tank (41) is fixedly connected to a cooling pipe (45), the left side of the water storage tank (41) is fixedly connected to a water pump (42), the input end of the water pump (42) is fixedly connected to a water pumping pipe (43), the right end of the water pumping pipe (43) passes through the left end of the water storage tank (41), the output end of the water pump (42) is fixedly connected to a water inlet pipe (44), the right side of the water storage tank (41) is fixedly connected to a water outlet pipe (46), the upper end of the water inlet pipe (44) and the upper end of the water outlet pipe (46) are fixedly connected to two telescopic tubes (47), the opposite ends of the two telescopic tubes (47) are rotatably connected to two threaded rods (48), the surfaces of the two threaded rods (48) are respectively threadedly connected to the surfaces of the two threaded holes (39) located on the upper and lower sides.

7. A cooling device for a permanent magnet drum according to claim 6, characterized in that: The interiors of the two threaded rods (48) are respectively connected to the interiors of the water inlet pipe (44) and the water outlet pipe (46), and the surface diameters of the two threaded rods (48) are slightly smaller than the surface diameters of the two circular holes (34).

8. A cooling device for a permanent magnet drum according to claim 6, characterized in that: The depth of the threaded hole (39) is slightly smaller than the length of the threaded rod (48), and the two threaded holes (39) on the upper and lower sides correspond to the circular holes (34) on the upper and lower sides respectively.

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