Electromagnetic brake

Abstract

The utility model discloses an electromagnetic brake, which relates to the technical field of electromagnetic brakes and comprises a stator body, an armature and a rotor are detachably connected to the outer surface of the top end of the stator body, the rotor is located on the outer surface of one end of the armature, a flange is arranged above the armature, and a positioning cylinder is arranged between the flange and the stator body. The outer surface of the bottom end of the stator body is detachably connected with a cooling bottom shell, and the stator body is internally provided with a magnetic suction channel and a rebound groove. According to the electromagnetic brake, when the arranged cooling bottom shell is used, the heat conducting piece can be attached to the bottom of the electromagnet, heat generated by the electromagnet can be conducted, water can be injected into the cooling bottom shell through a filling port, heat exchange can be conducted through a water source, the heat in water can be conducted and dissipated out through the heat conducting piece, and therefore the electromagnetic brake is convenient to use. During use, the electromagnet can be effectively helped to conduct heat and cool, and the service life and the use efficiency of the electromagnet can be prevented from being affected by high temperature.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic brakes, in particular to an electromagnetic brake. Background Art

[0002] An electromagnetic brake is a connector that transmits the torque of the active side to the passive side. It can be freely engaged, disconnected or braked as needed. It has the advantages of compact structure, simple operation, sensitive response, long life, reliable use, and easy remote control. However, the existing electromagnetic brakes still have certain inconveniences when used.

[0003] An electromagnetic brake is disclosed in Chinese utility model patent application number: CN202320287416.0. By improving the friction plate structure, the problem of collision and friction between the friction plate of the traditional electromagnetic brake and the armature is avoided. At the same time, the friction plate assembly of this structure is fixed to the rotating shaft as an integrated structure, so there will be no problems such as tooth collision, abnormal noise and wear during the forward and reverse switching process, and the noise and stability problems caused by the gap in the tooth matching in the traditional spline structure are overcome. However, the electromagnetic brake has a poor heat dissipation effect on the electromagnet when in use. The electromagnet is prone to high temperature when working for a long time, and the high temperature is easy to consume the service life and use efficiency of the electromagnet. In addition, the friction efficiency of the friction plate will decrease after long-term use, and it needs to be replaced regularly. For this reason, we propose an electromagnetic brake. Utility Model Content

[0004] The main purpose of the utility model is to provide an electromagnetic brake, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an electromagnetic brake, including a stator body, the top outer surface of the stator body is detachably connected with an armature and a rotor, the rotor is located on the outer surface of one end of the armature, a flange is arranged above the armature, a positioning cylinder is arranged between the flange and the stator body, the bottom outer surface of the stator body is detachably connected with a cooling bottom shell, a magnetic suction channel and a rebound groove are arranged inside the stator body, the magnetic suction channel is located on one side of the rebound groove, a filling port is arranged on the outer wall of the cooling bottom shell, a heat conducting plate is arranged on the bottom outer surface of the cooling bottom shell, and a heat conducting plug tube is arranged on the top outer surface of the cooling bottom shell.

[0006] Preferably, a positioning groove and a built-in groove are provided in the middle of the flange, the positioning groove is located on one side of the built-in groove, a brake pad is provided at one end of the flange, a connecting column is provided on the outer surface of the bottom end of the brake patch, and a stabilizing protrusion is provided on the outer wall of the connecting column.

[0007] Preferably, a power line is provided on the outer wall of the stator body, an electromagnet is provided in the middle of the magnetic attraction channel, and a spring is provided in the middle of the rebound groove.

[0008] Preferably, the cooling bottom shell and the heat-conducting plug tube are of a through structure, the heat-conducting plates penetrate the cooling bottom shell, the number of the heat-conducting plates is eight groups, and the heat-conducting plug tube penetrates into the interior of the magnetic attraction channel.

[0009] Preferably, a friction plate is provided on the outer surface of one end of the rotor, the number of the positioning cylinders is three, and fixing screws are installed inside the positioning cylinders, and a shaft sleeve is provided in the middle of the rotor.

[0010] Preferably, the number of the positioning grooves is three groups, the flange and the built-in groove are an integrally formed structure, the brake patch and the connecting column are an integrally formed structure, the number of the connecting columns is two groups, and the stabilizing protrusions are distributed in a symmetrical structure.

[0011] Preferably, the electromagnet is electrically connected to the power line, and the magnetic attraction channel is a ring structure.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The cooling bottom shell provided can make the heat conductive sheet fit to the bottom of the electromagnet when in use, so as to conduct the heat generated by the electromagnet, and the cooling bottom shell can be filled with water through the filling port, so as to exchange heat through the water source, and the heat conductive sheet can conduct and dissipate the heat in the water, which can effectively help the electromagnet to conduct heat and cool down when in use, and can avoid high temperature affecting the service life and use efficiency of the electromagnet; the brake pad can fit with the friction pad at one end of the rotor when in use, which can reduce the loss of the friction pad during braking, and can reduce the number of times the friction pad is replaced, and the connecting column and the stabilizing bump can ensure the stability of the brake pad, so that the brake pad can fit smoothly with the friction pad, and can improve the braking effect of the friction pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is the internal structure diagram of the stator body of the utility model;

[0016] Figure 3 This is a structural diagram of the cooling bottom shell of the utility model;

[0017] Figure 4 This is the internal structure diagram of the cooling bottom shell of the utility model;

[0018] Figure 5 It is the structural diagram of the flange of the utility model.

[0019] In the figure: 1. stator body; 2. armature; 3. flange; 4. positioning cylinder; 5. power cord; 6. cooling bottom shell; 7. rotor; 8. magnetic suction channel; 9. rebound groove; 10. electromagnet; 11. spring; 12. filling port; 13. heat conductive sheet; 14. heat conductive plug tube; 15. positioning groove; 16. built-in groove; 17. brake pad; 18. connecting column; 19. stabilizing bump. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0021] like Figure 1-5 As shown, the electromagnetic brake provided by the embodiment of the utility model includes a stator body 1, the top outer surface of the stator body 1 is detachably connected with an armature 2 and a rotor 7, the rotor 7 is located on the outer surface of one end of the armature 2, a flange 3 is arranged above the armature 2, a positioning cylinder 4 is arranged between the flange 3 and the stator body 1, the bottom outer surface of the stator body 1 is detachably connected with a cooling bottom shell 6, a magnetic attraction channel 8 and a rebound groove 9 are arranged inside the stator body 1, the magnetic attraction channel 8 is located on one side of the rebound groove 9, a filling port 12 is arranged on the outer wall of the cooling bottom shell 6, a heat conducting plate 13 is arranged on the bottom outer surface of the cooling bottom shell 6, and a heat conducting plug tube 14 is arranged on the top outer surface of the cooling bottom shell 6.

[0022] Specifically, in this embodiment, a stator body 1 is included, and an armature 2 and a rotor 7 are detachably connected on the outer surface of the top end of the stator body 1. The rotor 7 is located on the outer surface of one end of the armature 2. When in use, the armature 2 can be pushed by the rotor 7 to brake the rotor 7. A flange 3 is provided above the armature 2, and a positioning cylinder 4 is provided between the flange 3 and the stator body 1. A cooling bottom shell 6 is detachably connected to the outer surface of the bottom end of the stator body 1. When in use, the heat conducting sheet 13 can be attached to the bottom of the electromagnet 10, so that the heat generated by the electromagnet 10 can be conducted, and the cooling bottom shell 6 can be filled with water through the filling port 12, heat can be exchanged through the water source, and the heat conductive sheet 13 can conduct and dissipate the heat in the water, which can effectively help the electromagnet 10 to conduct heat and cool down when in use, and can avoid high temperature affecting the service life and use efficiency of the electromagnet 10. The stator body 1 is provided with a magnetic suction channel 8 and a rebound groove 9 inside, and the magnetic suction channel 8 is located on one side of the rebound groove 9. The outer wall of the cooling bottom shell 6 is provided with a filling port 12, the outer surface of the bottom end of the cooling bottom shell 6 is provided with a heat conductive sheet 13, and the outer surface of the top end of the cooling bottom shell 6 is provided with a heat conductive plug tube 14.

[0023] The electromagnetic brake provided by the utility model has a cooling bottom shell 6 which can make the heat conductive sheet 13 fit to the bottom of the electromagnet 10 when in use, so as to conduct the heat generated by the electromagnet 10, and the cooling bottom shell 6 can be filled with water through the filling port 12, so that the heat can be exchanged through the water source, and the heat conductive sheet 13 can conduct and dissipate the heat in the water, which can effectively help the electromagnet 10 to conduct heat and cool down when in use, and can avoid the high temperature affecting the service life and use efficiency of the electromagnet 10.

[0024] In an embodiment provided by the utility model, a positioning groove 15 and a built-in groove 16 are provided in the middle of the flange 3. The positioning groove 15 can facilitate the docking and installation of the positioning cylinder 4 when in use. The positioning groove 15 is located on one side of the built-in groove 16. A brake patch 17 is provided at one end of the flange 3. The brake patch 17 can be fitted with the friction plate at one end of the rotor 7 when in use, which can reduce the loss of the friction plate during braking and the number of times the friction plate is replaced. The connecting column 18 and the stabilizing protrusion 19 can ensure the stability of the brake patch 17, so that the brake patch 17 can be stably fitted with the friction plate, which can improve the braking effect of the friction plate. The outer surface of the bottom end of the brake patch 17 is provided with a connecting column 18, and the outer wall of the connecting column 18 is provided with a stabilizing protrusion 19.

[0025] In another embodiment provided by the utility model, a power cord 5 is provided on the outer wall of the stator body 1, an electromagnet 10 is provided in the middle of the magnetic suction channel 8, a spring 11 is provided in the middle of the rebound groove 9, and the rebound groove 9 is mainly used to fix the spring 11, which can facilitate the contraction of the spring 11.

[0026] In another embodiment provided by the utility model, the cooling bottom shell 6 and the heat-conducting plug tube 14 are a through structure, the heat-conducting plates 13 penetrate the cooling bottom shell 6, the number of the heat-conducting plates 13 is eight groups, the heat-conducting plug tube 14 penetrates into the interior of the magnetic attraction channel 8, and the heat-conducting plates 13 are mainly used for heat conduction and cooling of the water source in the cooling bottom shell 6 and the heat-conducting plug tube 14.

[0027] In an embodiment provided by the utility model, a friction plate is provided on the outer surface of one end of the rotor 7, the number of the positioning cylinders 4 is three groups, and fixing screws are installed inside the positioning cylinders 4, and a shaft sleeve is provided in the middle of the rotor 7, so that the rotor 7 can be conveniently connected to the shaft rod of the rotor 7, so that the shaft rod can drive the rotor 7.

[0028] In another embodiment provided by the utility model, the number of positioning grooves 15 is three groups, the flange 3 and the built-in groove 16 are an integrally formed structure, the brake patch 17 and the connecting column 18 are an integrally formed structure, the number of connecting columns 18 is two groups, and the stabilizing protrusions 19 are distributed in a symmetrical structure. The stabilizing protrusions 19 can facilitate the introduction of the connecting column 18 into the built-in groove 16, which can facilitate the improvement of the stability and pressure resistance of the brake patch 17.

[0029] In another embodiment of the present invention, the electromagnet 10 is electrically connected to the power line 5, and the magnetic attraction channel 8 is a ring structure. The electromagnet 10 can generate magnetic force by energizing the power line 5 to magnetically attract the armature 2.

[0030] It should be noted that the utility model is an electromagnetic brake. When in use, water can be injected into the cooling bottom shell 6 through the filling port 12. When in use, the electromagnet 10 can generate magnetic force by energizing through the power cord 5, which can magnetically attract the armature 2. The armature 2 compresses the spring 11 into the rebound groove 9. At this time, the rotor 7 can rotate under the drive of the shaft rod. When it is necessary to stop braking, the electromagnet 10 can be powered off. At this time, the spring 11 will rebound the armature 2, so that the spring 11 and the armature 2 clamp and fix the rotor 7 forward, so that the friction plate at one end of the rotor 7 is fitted with the brake pad 17, thereby stopping the braking of the rotor 7. The brake pad 17 can reduce the loss of the friction plate during braking when in use, and can reduce the number of times the friction plate is replaced. The connecting column 18 and the stabilizing protrusion 19 can ensure the stability of the brake pad 17, so that the brake pad 17 can be stably fitted with the friction plate, which can improve the braking effect of the friction plate. When the magnet 10 generates high temperature after working for a long time, the cooling bottom shell 6 can make the heat conductive sheet 13 fit to the bottom of the electromagnet 10 when in use, so as to conduct the heat generated by the electromagnet 10, and the cooling bottom shell 6 can be filled with water through the filling port 12, and the heat can be exchanged through the water source, and the heat conductive sheet 13 can conduct and dissipate the heat in the water, which can effectively help the electromagnet 10 to conduct heat and cool down when in use, and can avoid high temperature affecting the service life and use efficiency of the electromagnet 10. The electromagnetic brake has a compact structure, easy operation, simple installation, safety and reliability, durability, easy maintenance and easy to achieve long-distance operation. The electromagnetic brake can be used on high-speed equipment, and the electromagnetic brake has a fast response speed, and it only takes 0.3 seconds from power-on to locking braking, which is particularly suitable for equipment that requires frequent start and stop. In addition, the electromagnetic brake has a long service life and a low failure rate, which can usually reach 5 million starts and stops, and the failure rate is extremely low.

[0031] The above shows and describes the basic principle, main features and 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 preferred examples of the utility model and are not used to limit 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 of the utility model is defined by the attached claims and their equivalents.

Claims

1. An electromagnetic brake, comprising a stator body (1), characterized in that: The top outer surface of the stator body (1) is detachably connected with an armature (2) and a rotor (7), the rotor (7) is located on the outer surface of one end of the armature (2), a flange (3) is arranged above the armature (2), a positioning cylinder (4) is arranged between the flange (3) and the stator body (1), the bottom outer surface of the stator body (1) is detachably connected with a cooling bottom shell (6), a magnetic attraction channel (8) and a rebound groove (9) are arranged inside the stator body (1), the magnetic attraction channel (8) is located on one side of the rebound groove (9), a filling port (12) is arranged on the outer wall of the cooling bottom shell (6), a heat conducting plate (13) is arranged on the bottom outer surface of the cooling bottom shell (6), and a heat conducting plug tube (14) is arranged on the top outer surface of the cooling bottom shell (6).

2. The electromagnetic brake according to claim 1, characterized in that: A positioning groove (15) and a built-in groove (16) are provided in the middle of the flange (3), the positioning groove (15) is located on one side of the built-in groove (16), a braking pad (17) is provided at one end of the flange (3), a connecting column (18) is provided on the outer surface of the bottom end of the braking pad (17), and a stabilizing protrusion (19) is provided on the outer wall of the connecting column (18).

3. The electromagnetic brake according to claim 1, characterized in that: The outer wall of the stator body (1) is provided with a power line (5), the middle of the magnetic attraction channel (8) is provided with an electromagnet (10), and the middle of the rebound groove (9) is provided with a spring (11).

4. The electromagnetic brake according to claim 1, characterized in that: The cooling bottom shell (6) and the heat-conducting plug tube (14) are of a through structure, the heat-conducting sheet (13) penetrates the cooling bottom shell (6), the number of the heat-conducting sheets (13) is eight groups, and the heat-conducting plug tube (14) penetrates into the interior of the magnetic attraction channel (8).

5. The electromagnetic brake according to claim 1, characterized in that: A friction plate is provided on the outer surface of one end of the rotor (7), the number of the positioning cylinders (4) is three, and fixing screws are installed inside the positioning cylinders (4), and a shaft sleeve is provided in the middle of the rotor (7).

6. The electromagnetic brake according to claim 2, characterized in that: The number of the positioning grooves (15) is three groups, the flange (3) and the built-in groove (16) are an integrally formed structure, the brake pad (17) and the connecting column (18) are an integrally formed structure, the number of the connecting column (18) is two groups, and the stabilizing protrusions (19) are distributed in a symmetrical structure.

7. The electromagnetic brake according to claim 3, characterized in that: The electromagnet (10) is electrically connected to the power line (5), and the magnetic attraction channel (8) is a ring-shaped structure.

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