Vibration motor with novel eccentric block

Abstract

The utility model discloses a vibration motor with a novel eccentric block, which comprises a motor main body, the motor main body comprises a rotating shaft, two ends of the rotating shaft are provided with a vibration sheet group, the vibration sheet group comprises a plurality of vibration sheets, each vibration sheet is provided with a D-shaped mounting hole, and the D-shaped mounting hole comprises a horizontal transverse plane and an arc-shaped surface. Two inclined faces which are symmetrically arranged at intervals are cut on the peripheral face of the end of each rotating shaft, the vibrating pieces can be connected to the ends of the rotating shafts in a sleeving mode through the D-shaped mounting holes, and one inclined face on the end of each rotating shaft is attached to the transverse face of the corresponding D-shaped mounting hole for limiting so as to prevent the vibrating pieces and the rotating shafts from rotating. The vibrating reeds are simple in structure and convenient to mount, and the included angle between the adjacent vibrating reeds can be accurately controlled; the vibration pieces are designed in a unified specification, the vibration force can be adjusted by increasing or decreasing the number of the vibration pieces under the condition that rotation of the vibration motor is not adjusted, compared with a traditional integral eccentric block design, the manufacturing and stocking cost can be reduced, the whole block does not need to be replaced, and the replacement difficulty and time are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vibration motor, more specifically, to a vibration motor with a novel eccentric block, belonging to the field of vibration motor. BACKGROUND

[0002] As a key component widely used in various mechanical devices, the main function of the vibration motor is to achieve the conveying, screening, compaction and other process requirements of materials through regular vibration. It plays an important role in mining, metallurgy, chemical industry, building materials, food and other industries. Through regular vibration, these devices can achieve the conveying, screening, compaction and other process requirements of materials, improving production efficiency and quality.

[0003] The working principle of the vibration motor is based on the combination of electromagnetic induction and mechanical vibration. When the motor is powered on, a rotating magnetic field is generated between the stator and the rotor inside the motor, driving the rotor to rotate. At the same time, the eccentric block or unbalanced mass block configured inside the motor rotates with the rotor, generating centrifugal force on the motor shaft, causing the motor as a whole to vibrate periodically. This vibration is transmitted to the mechanical device connected to the motor through the motor base, achieving the desired process effect.

[0004] As we all know, the amplitude control range of the vibration motor mainly depends on the design, installation position of the eccentric block inside it and the overall structure of the motor. By adjusting the mass, number, installation angle and other parameters of the eccentric block, the amplitude can be accurately adjusted. Currently, the vibration motor has the following defects: the eccentric block is designed in a whole style, and when the vibration intensity needs to be adjusted, the whole eccentric block needs to be replaced, which is troublesome and the eccentric block has multiple specifications, resulting in large inventory and manufacturing costs; the eccentric block is sleeved on the rotating shaft and fixed through a locking piece, so the technician needs to mark the rotating shaft to facilitate accurate installation of the eccentric block, especially when multiple eccentric blocks need to be installed, the angle between adjacent vibration blocks needs to be measured and fixed, which is troublesome and prone to angle deviation. UTILITY MODEL CONTENTS

[0005] In order to solve the above-mentioned problems of the prior art, the utility model provides a vibration motor with a novel eccentric block, which has the technical features of simple structure, convenient installation, no shaking and precise alternate installation of vibration pieces.

[0006] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme:

[0007] The utility model relates to a kind of vibration motor with novel eccentric block, including motor main body, the motor main body includes shaft, the shaft both ends head is equipped with vibration piece group, the vibration piece group includes several vibration pieces, D-shaped mounting hole is set up on the vibration piece, the D-shaped mounting hole includes horizontal plane cross section and arc surface, the outer circumferential surface of each shaft end head is cut with two interval and symmetrically arranged bevel, the vibration piece can be connected by D-shaped mounting hole on the end head of shaft, and by the bevel on the end head of shaft and the cross section of D-shaped mounting hole are attached to prevent vibration piece and shaft between rotation.

[0008] Preferably, the width of the cross section of the D-shaped mounting hole is adapted to the width of the bevel to achieve close attachment.

[0009] Preferably, the vibration pieces on the end head of the shaft are alternately connected on the two bevels on the end head of the shaft.

[0010] Preferably, the vibration pieces in each vibration piece group 1 are closely attached.

[0011] Preferably, the two bevels on the end head of the shaft have an included angle of 45-60 degrees.

[0012] Preferably, the vibration pieces are fan-shaped, and the D-shaped mounting hole is close to the top corner of the fan-shaped piece.

[0013] Preferably, the center line perpendicular to the cross section of the D-shaped mounting hole passes through the vertex of the vibration piece.

[0014] Preferably, the cross section of the D-shaped mounting hole is composed of an arc and a chord.

[0015] Preferably, each vibration piece has a mass of 10 Kg, and a single vibration piece can provide an exciting force of 100 N to achieve the adjustment of the vibration force by controlling the number of vibration pieces.

[0016] Beneficial effects: The vibration piece structure in the present application is simple and convenient to install, and can accurately control the included angle between adjacent vibration pieces; the vibration pieces are designed with a unified specification, and the vibration force can be adjusted by increasing or decreasing the number of vibration pieces without adjusting the rotation of the vibration motor. Compared with the traditional integral eccentric block design, the cost of manufacturing and stocking can be reduced, and the difficulty and time of replacement are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is one of the schematic diagrams of the vibration piece group installed on the shaft of the utility model.

[0018] Figure 2 is the second schematic diagram of the vibration piece group installed on the shaft of the utility model.

[0019] Figure 3It is the structure schematic view of the vibrating reed of the utility model.

[0020] Figure 4 It is the section view of the vibrating motor of the utility model.

[0021] Figure 5 It is the structure schematic view of the end head of the rotating shaft of the vibrating motor of the utility model. CONCRETE EMBODIMENT

[0022] The utility model is further explained below in conjunction with the drawings of the specification, but the utility model is not limited to the following embodiments.

[0023] As Figures 1-5 shown is a specific embodiment of a vibrating motor with a new eccentric block, a vibrating motor with a new eccentric block, including motor main body, the motor main body includes rotating shaft, the rotating shaft both ends are installed with vibrating reed group 1, vibrating reed group 1 includes several vibrating reeds 2 ( belong to eccentric block or unbalanced mass), vibrating reed 2 is set with D-shaped mounting hole 3 on, the D-shaped mounting hole 3 includes horizontal plane cross section and arc surface, the outer circumferential surface of each rotating shaft end is cut with two interval and symmetrically arranged inclined plane 4, vibrating reed 2 can be sleeved on the end of rotating shaft through D-shaped mounting hole 3, and is limited by the abutment of one inclined plane 4 on the end of rotating shaft and the cross section of D-shaped mounting hole 3 to prevent the rotation between vibrating reed 2 and rotating shaft;

[0024] When installing the eccentric block of the conventional vibrating motor: the eccentric block needs to be sleeved on the rotating shaft and fixed by locking piece, long-term use, easy to cause the eccentric block to shake, the size of the eccentric block is not unified, when needing to adjust, the whole block needs to be replaced, causing the difficulty of installation and replacement, and the size of the specification is not unified, which will also cause the problems of spare parts and large manufacturing cost; Technical personnel need to make marks on the rotating shaft to facilitate accurate installation of the eccentric block, especially when multiple eccentric blocks need to be installed, more need to fix after measuring the included angle between adjacent vibrating blocks, which is troublesome to install and is easy to cause angle deviation.

[0025] Technical principle / installation of the present application:

[0026] Method one: as Figure 1 and 2 shown, vibrating reed 2 on vibrating reed group 1 is sleeved on the end of rotating shaft through D-shaped mounting hole 3, and the cross section of D-shaped mounting hole 3 on all vibrating reeds 2 is abutted on the same inclined plane of the end of rotating shaft, which is convenient to install and position, and long-term use is not prone to rotation between vibrating reed 2 and rotating shaft.

[0027] The second mode (omitting the drawing): the vibration pieces 2 on the shaft end are alternately sleeved on the two inclined surfaces 4 on the same shaft end, which is convenient to install and position, and the vibration pieces 2 are not prone to rotate with the shaft for a long time. Since the angle of the inclined surface on the shaft end is fixed, the angle between adjacent vibration pieces 2 can be ensured when the vibration pieces 2 are alternately installed, and there is no need for technicians to measure the angle.

[0028] In a preferred embodiment, the width of the transverse surface of the D-shaped mounting hole 3 is adapted to the width of the inclined surface 4 to achieve close fitting, and the diameter of the D-shaped mounting hole is adapted to the diameter of the shaft to achieve close fitting installation, thereby avoiding rotation and shaking between the vibration piece 2 and the shaft.

[0029] In a preferred embodiment, the vibration pieces 2 on the shaft end are alternately sleeved on the two inclined surfaces 4 on the shaft end, which is a specific installation mode, simple in structure and strong in practicability.

[0030] In a preferred embodiment, the vibration pieces 2 in each vibration piece group 1 are closely fitted, which is simple in structure and strong in practicability.

[0031] In a preferred embodiment, the included angle of the two inclined surfaces 4 on the shaft end is 45-60 degrees. The included angle of 45-60 degrees of the two inclined surfaces 4 belongs to a preferred range of the present application, which can be adjusted and designed according to actual needs.

[0032] In a preferred embodiment, the vibration piece 2 is a fan shape, and the D-shaped mounting hole 3 is close to the top angle of the piece fan shape. This eccentric or unbalanced mass structure is simple and convenient to process.

[0033] In a preferred embodiment, the center line perpendicular to the transverse surface of the D-shaped mounting hole 3 passes through the vertex of the vibration piece 2, that is, as shown in the figure, which is simple in structure and reasonable in design. Figure 3

[0034] Preferably, the cross section of the D-shaped mounting hole 3 is composed of an arc and a chord, which is simple in result and strong in practicability.

[0035] Preferably, the mass of each vibration piece 2 is 10 Kg, and a single vibration piece 2 can provide an exciting force of 100 N, so as to adjust the vibration force by controlling the number of vibration pieces 2. The vibration pieces 2 are uniformly designed in specification, and the single small mass design is adopted. Without adjusting the power and speed of the vibration motor, the vibration force can be adjusted by increasing or decreasing the number of vibration pieces 2. Compared with the traditional whole eccentric block design, the cost of manufacturing and stocking can be reduced, and the whole block does not need to be replaced, thereby reducing the difficulty and time of replacement. In the present application, the mass of the single vibration piece 2 and the exciting force of 100 N belong to a preferred mode, and other specification designs can be made according to actual needs, which are not limited in the present application.​

[0036] Finally, it should be noted that the utility model is not limited to the above embodiments, but can have many variations. All variations that can be directly derived or inferred from the disclosed content by those of ordinary skill in the art should be considered within the scope of the utility model.

Claims

1. A vibration motor with a new eccentric block, comprising a motor body, the motor body comprising a rotating shaft, a vibration piece group (1) is installed on the both ends of the rotating shaft, characterized in that: The vibration piece group (1) comprises several vibration pieces (2), the vibration piece (2) is provided with a D-shaped mounting hole (3), the outer circumferential surface of each shaft end is cut with two symmetrical inclined surfaces (4), the vibration piece (2) is sleeved on the shaft end through the D-shaped mounting hole (3), and the vibration piece (2) is limited by the abutment of one inclined surface (4) on the shaft end and the horizontal surface of the D-shaped mounting hole (3) to prevent rotation between the vibration piece (2) and the shaft.

2. The vibration motor with a new eccentric block according to claim 1, characterized in that: The width of the horizontal surface of the D-shaped mounting hole (3) is matched with the width of the inclined surface (4).

3. The vibration motor with a new eccentric block according to claim 1 or 2, characterized in that: The vibration piece (2) on the shaft end is alternately sleeved on the two inclined surfaces (4) on the shaft end.

4. The vibration motor with a new eccentric block according to claim 3, characterized in that: The vibration pieces (2) in each vibration piece group (1) are closely abutted.

5. The vibration motor with a new eccentric block according to claim 1, characterized in that: The included angle of the two inclined surfaces (4) on the shaft end is 45-60 degrees.

6. The vibration motor with a new eccentric block according to claim 1 or 2, characterized in that: The vibration piece (2) is a sector, and the D-shaped mounting hole (3) is close to the top corner of the sector.

7. The vibration motor with a new eccentric block according to claim 6, characterized in that: The center line perpendicular to the horizontal surface of the D-shaped mounting hole (3) passes through the top point of the vibration piece (2).

8. The vibration motor with a new eccentric block according to claim 1 or 2, characterized in that: The cross section of the D-shaped mounting hole (3) is composed of an arc and a chord.

9. The vibration motor with a new eccentric block according to claim 1, characterized in that: The mass of each vibration piece (2) is 10 Kg, and the single vibration piece (2) can provide a vibration exciting force of 100 N, so as to realize the vibration force setting by controlling the number of vibration pieces (2).

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