Vibration motor

Abstract

The utility model relates to a vibration motor, and relates to the technical field of vibration motors, and the vibration motor mainly comprises an end cover, the end cover is fixedly installed on a body of the vibration motor, a first half shell is fixedly installed on the end cover, a second half shell is detachably installed on the end cover, the first half shell is detachably connected with the second half shell, and the second half shell is detachably connected with the first half shell. And the first half shell and the second half shell cover an eccentric block of the rotating shaft. The dustproof effect of the vibration motor can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of vibration motor technology, in particular to a vibration motor. BACKGROUND

[0002] Vibration motors are widely used in various processing industries, often as power sources for devices such as vibrating screens, rammer machines, and crushers. Vibration motors are based on motor machines, with adjustable eccentric blocks installed at the end of the rotating shaft, and use the centrifugal force generated by the high-speed rotation of the rotating shaft and the eccentric block to obtain excitation force.

[0003] However, in the prior art, vibration motors are often used in environments with high dust concentration. The intrusion of dust can cause the electrical insulation performance inside the motor to decrease, increasing the risk of short circuits and electrical faults, and there is room for improvement. SUMMARY

[0004] In order to reduce the occurrence of dust entering the interior of the vibration motor, the present application provides a vibration motor.

[0005] The vibration motor provided by the present application adopts the following technical solution:

[0006] A vibration motor mainly comprises an end cover fixedly installed on the body of the vibration motor, a first half shell fixedly installed on the end cover, and a second half shell detachably installed on the end cover, wherein the first half shell is detachably connected to the first half shell, and the first half shell and the second half shell cover the eccentric block of the rotating shaft.

[0007] By adopting the above technical solution, when the vibration motor is actually put into actual use, the rotating shaft drives the eccentric block to rotate in the first half shell and the second half shell. The first half shell and the second half shell can form a cover for the rotating shaft and the eccentric shaft, reducing the occurrence of dust entering the interior of the motor through the through hole of the rotating shaft, and improving the dustproof effect of the vibration motor. The first half shell can be detachably installed in the second half shell, which can facilitate the maintenance of the rotating shaft and the eccentric block by the operator.

[0008] Preferably, the edges of the first half shell and the second half shell are fixedly installed with connecting plates, and the two connecting plates are provided with a plurality of mounting holes for bolts.

[0009] An arc-shaped carrier plate is fixedly installed on the end cover, and the end portion of the second half shell near the end cover is located above the arc-shaped carrier plate.

[0010] By adopting the technical scheme, the mounting holes on the connecting plates of the first half shell and the second half shell can facilitate the operator to realize the installation between the first half shell and the second half shell through screws and bolts; and the arc-shaped carrier plate can be arranged below the joint between the second half shell and the end cover, so that the dustproof effect is further improved.

[0011] Preferably, a positioning rod is fixedly installed on the top of the arc-shaped carrier plate, and a positioning hole matched with the positioning rod is arranged on the second half shell.

[0012] By adopting the technical scheme, when the second half shell is installed, the operator can place the second half shell on the top of the first half shell and pre-position the second half shell through the positioning rod, so that the convenience of installing the second half shell is improved.

[0013] Preferably, a rotation speed monitoring module for monitoring the rotation speed of the eccentric block is fixedly installed on the second half shell.

[0014] By adopting the technical scheme, the rotation speed of the eccentric block can be monitored through the rotation speed detection module, so that the working state of the vibration motor can be judged by the relevant personnel.

[0015] Preferably, the rotation speed monitoring module comprises:

[0016] a sensing protrusion fixedly installed on the side wall of the eccentric block;

[0017] a distance detection unit fixedly installed in the inner cavity of the second half shell and arranged towards the eccentric block, for detecting the distance between the side wall of the eccentric block and outputting a sensing distance signal;

[0018] a comparator chip with a signal input end connected with the signal output end of the distance detection unit, for receiving the sensing distance signal and outputting a high-level signal when the sensing distance is less than a set value;

[0019] a timer installed in the second half shell, for timing and outputting a time signal;

[0020] a single-chip microcomputer with a signal input end connected with the signal output end of the timer and the comparator chip, for receiving the high-level signal and the time signal, calculating the rotation speed of the eccentric block, and outputting a rotation speed signal;

[0021] a display fixedly installed on the outer side of the end portion of the second half shell, with a signal input end connected with the signal output end of the single-chip microcomputer, for receiving the rotation speed signal and displaying.

[0022] By adopting the above technical scheme, in the process of rotating the eccentric block driven by the vibration motor, the sensing protrusion rotates together with the eccentric block, the distance detection unit detects the shielding surface located directly above it in real time and outputs a sensing distance signal, the comparator chip receives the sensing distance signal and compares, when the sensing protrusion is directly above the distance detection unit, the sensing distance is less than the set value, the comparator chip outputs a high-level signal, and the single-chip microcomputer can calculate the rotating speed of the eccentric block and the rotating shaft according to the frequency of the high-level signal and display through the display, so that the technical effect of automatically detecting the rotating speed of the vibration motor can be achieved, and the vibration frequency of the vibration motor can be fed back.

[0023] Preferably, the distance detection unit comprises an ultrasonic ranging sensor, which is fixedly installed on the inner wall of the second half shell.

[0024] In summary, the vibration motor of the present application has at least one of the following beneficial technical effects:

[0025] 1. In actual use of the vibration motor, the eccentric block driven by the rotating shaft rotates in the first half shell and the second half shell, the first half shell and the second half shell can shield the rotating shaft and the eccentric shaft, so that the situation that dust enters the motor through the through hole of the rotating shaft can be reduced, and the dustproof effect of the vibration motor can be improved;

[0026] 2. The mounting hole on the connecting plate of the first half shell and the second half shell can facilitate the operator to install the first half shell and the second half shell through screws and bolts; the arc-shaped carrier plate can be arranged below the joint between the second half shell and the end cover, so as to further improve the dustproof effect;

[0027] 3. When installing the second half shell, the operator can place the second half shell on the top of the first half shell and pre-position the second half shell through the positioning rod, so as to improve the convenience of installing the second half shell. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a schematic view of the overall structure of the vibration motor according to the embodiment of the present application.

[0029] Figure 2 is a schematic view of the internal structure of the second half shell according to the embodiment of the present application.

[0030] Marked as follows: 1, end cover; 2, rotating shaft; 3, eccentric block; 31, sensing protrusion; 4, first half shell; 41, connecting plate; 42, mounting hole; 5, second half shell; 51, positioning hole; 6, arc-shaped carrier plate; 61, positioning rod; 7, display; 8, ultrasonic ranging sensor. DETAILED DESCRIPTION

[0031] The following description will be made in conjunction with the accompanying drawings Figures 1-2 The application is further described in detail.

[0032] Embodiment 1

[0033] The embodiment of the application discloses a vibrating motor. Referring to Figure 1 With Figure 2 It mainly includes an end cover 1 fixedly installed on the body of the vibrating motor, a first half shell 4 fixedly installed on the end cover 1, and a second half shell 5 detachably installed on the end cover 1. The first half shell 4 is detachably connected with the first half shell 4, and the first half shell 4 and the second half shell 5 cover the eccentric block 3 of the rotating shaft 2.

[0034] In actual use of the vibrating motor, the rotating shaft 2 drives the eccentric block 3 to rotate in the first half shell 4 and the second half shell 5. The first half shell 4 and the second half shell 5 can form a cover for the rotating shaft 2 and the eccentric shaft, so that the situation that dust enters the interior of the motor through the through hole of the rotating shaft can be reduced, and the dustproof effect of the vibrating motor can be improved. The first half shell 4 is detachably installed in the second half shell 5, so that the rotating shaft 2 and the eccentric block 3 can be conveniently maintained by an operator.

[0035] Referring to Figure 1 The edges of the first half shell 4 and the second half shell 5 are fixedly installed with connecting plates 41, and the two connecting plates 41 are provided with a plurality of installation holes 42 for bolts. The end cover 1 is fixedly installed with an arc-shaped carrier plate 6, and the end of the second half shell 5 close to the end cover 1 is located above the arc-shaped carrier plate 6.

[0036] Through the installation holes 42 on the connecting plates 41 of the first half shell 4 and the second half shell 5, an operator can install the first half shell 4 and the second half shell 5 through screws and bolts. Through the arc-shaped carrier plate 6, the arc-shaped carrier plate 6 can be located below the joint between the second half shell 5 and the end cover 1, so that the dustproof effect is further improved.

[0037] Referring to Figure 1 The top of the arc-shaped carrier plate 6 is fixedly installed with a positioning rod 61, and the second half shell 5 is provided with a positioning hole 51 matched with the positioning rod 61. When the second half shell 5 is installed, an operator can place the second half shell 5 on the top of the first half shell 4 and pre-position the second half shell 5 through the positioning rod 61, so that the convenience of installing the second half shell 5 is improved.

[0038] The implementation principle of the vibration motor in the embodiment of the application is as follows: in actual use of the vibration motor, the rotating shaft 2 drives the eccentric block 3 to rotate in the first half shell 4 and the second half shell 5, the first half shell 4 and the second half shell 5 can shield the rotating shaft 2 and the eccentric shaft, so that the condition that dust enters the inside of the motor through the through hole of the rotating shaft is reduced, and the dustproof effect of the vibration motor is improved; the connecting plate 41 of the first half shell 4 and the second half shell 5 is provided with the mounting hole 42, so that the operator can conveniently install the first half shell 4 and the second half shell 5 through screws and bolts; the arc-shaped carrier plate 6 is arranged below the joint between the second half shell 5 and the end cover 1, so that the dustproof effect is further improved.

[0039] Embodiment 2

[0040] Reference Figure 2 In the embodiment, the second half shell 5 is fixedly provided with a rotating speed monitoring module for monitoring the rotating speed of the eccentric block 3. The rotating speed of the eccentric block 3 can be monitored through the rotating speed monitoring module, so that the working state of the vibration motor can be judged by the relevant personnel.

[0041] The rotating speed monitoring module comprises: the sensing protrusion 31 fixedly arranged on the side wall of the eccentric block 3; a distance detection unit fixedly arranged in the inner cavity of the second half shell 5 and arranged towards the eccentric block 3, for detecting the distance between the side wall of the eccentric block 3 and outputting a sensing distance signal; a comparator chip, a signal input end of which is signal-connected with a signal output end of the distance detection unit, for receiving the sensing distance signal and outputting a high-level signal when the sensing distance is less than a set value; a timer installed in the second half shell 5, for timing and outputting a time signal; a single-chip microcomputer, a signal input end of which is signal-connected with the signal output ends of the timer and the comparator chip, for receiving the high-level signal and the time signal, calculating the rotating speed of the eccentric block 3 and outputting a rotating speed signal; and a display 7 fixedly arranged outside the end of the second half shell 5, a signal input end of which is signal-connected with a signal output end of the single-chip microcomputer, for receiving the rotating speed signal and displaying.

[0042] In the process that the vibration motor drives the eccentric block 3 to rotate, the sensing protrusion 31 rotates together with the eccentric block 3, the distance detection unit detects the shielding surface located directly above it in real time and outputs a sensing distance signal, the comparator chip receives the sensing distance signal and compares, when the sensing protrusion 31 is directly above the distance detection unit, the sensing distance is less than the set value, the comparator chip outputs a high-level signal, the timer is combined to time, and the single-chip microcomputer can calculate the rotating speed of the eccentric block 3 and the rotating shaft 2 according to the frequency of the appearance of the high-level signal, and display the rotating speed through the display 7, so that the technical effect that the rotating speed of the vibration motor is automatically detected can be achieved, and the vibration frequency of the vibration motor can be fed back.

[0043] It needs to be explained that in the embodiment, the distance detection unit adopts the ultrasonic ranging sensor 8, and the ultrasonic ranging sensor 8 is fixedly installed on the inner wall of the second half shell 5. In some other embodiments, according to the actual use, the ultrasonic ranging sensor 8 can be replaced by other ranging sensors, such as a laser ranging sensor, an infrared ranging sensor, etc., which are not limited and described here.

[0044] The above are preferred embodiments of the application, not to limit the protection scope of the application, therefore: all equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A vibration motor, characterized by, The utility model relates to a vibration motor, including end cover (1), the end cover (1) is fixedly installed on the body of vibration motor, first half shell (4) is fixedly installed on the end cover (1), second half shell (5) is detachably installed on the end cover (1), first half shell (4) is detachably connected with first half shell (4), first half shell (4), second half shell (5) cover on eccentric block (3) of rotating shaft (2).

2. A vibration motor according to claim 1, wherein The edge of the first half shell (4) and the second half shell (5) is fixedly installed with a connecting plate (41), and the two connecting plates (41) are provided with a plurality of mounting holes (42) for bolts. The end cover (1) is fixedly installed with an arc-shaped carrier plate (6), and the end of the second half shell (5) close to the end cover (1) is located above the arc-shaped carrier plate (6).

3. A vibration motor according to claim 2, wherein The top of the arc-shaped carrier plate (6) is fixedly installed with a positioning rod (61), and the second half shell (5) is provided with a positioning hole (51) matched with the positioning rod (61).

4. A vibration motor according to claim 3, wherein The second half shell (5) is fixedly installed with a rotating speed monitoring module for monitoring the rotating speed of the eccentric block (3).

5. A vibration motor according to claim 4, wherein The rotating speed monitoring module comprises: An induction protrusion (31) is fixedly installed on the side wall of the eccentric block (3); A distance detection unit is fixedly installed in the inner cavity of the second half shell (5) and is arranged towards the eccentric block (3) to detect the distance between the side wall of the eccentric block (3) and output an induction distance signal; A comparator chip is signal-connected between the signal output end of the distance detection unit and the signal input end to receive the induction distance signal and output a high-level signal when the induction distance is less than a set value; A timer is installed in the second half shell (5) to time and output a time signal; A single-chip microcomputer is signal-connected between the signal output end of the timer and the signal output end of the comparator chip to receive the high-level signal and the time signal, calculate the rotating speed of the eccentric block (3), and output a rotating speed signal; A display (7) is fixedly installed on the outer side of the end of the second half shell (5) and is signal-connected between the signal output end of the single-chip microcomputer and the signal input end to receive the rotating speed signal and display.

6. A vibration motor according to claim 5, wherein The distance detection unit comprises an ultrasonic ranging sensor (8) fixedly installed on the inner wall of the second half shell (5).

Images