CN216631554U

CN216631554U - Novel square vibration exciter for swinging screen

Info

Publication number: CN216631554U
Application number: CN202123412667.7U
Authority: CN
Inventors: 白学亭; 张庆; 周德信
Original assignee: Xinxiang Aareal Machinery Co ltd
Current assignee: Xinxiang Aareal Machinery Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-31
Anticipated expiration: 2031-12-31

Abstract

A novel square swinging screen vibration exciter comprises a base, wherein a motor, a first vibrating device and a second vibrating device are sequentially arranged at the top end of the base from left to right, the first vibrating device and the second vibrating device respectively comprise a fixed plate, a support frame is fixed at the top end of the fixed plate, a rotating shaft is sleeved on an assembling hole, a first bearing seat is fixed on the left side of the support frame, a second bearing seat is fixed on the right side of the support frame, a first bearing seat and a second bearing seat extend out of two ends of the rotating shaft, a first balancing weight is fixed on the rotating shaft outside the first bearing seat, a second balancing weight is fixed on the rotating shaft outside the second bearing seat, and the first balancing weight and the second balancing weight are symmetrically arranged; the power output shaft of the motor is fixedly connected with the left end of the rotating shaft on the first vibrating device through a coupler, and the right end of the rotating shaft on the first vibrating device is coaxially connected with the left end of the rotating shaft on the second vibrating device. The utility model has simple structure and convenient use.

Description

Novel square vibration exciter for swinging screen

Technical Field

The utility model belongs to the technical field of vibration exciters, and particularly relates to a novel square vibrating screen vibration exciter.

Background

The vibration exciter is a device which is added on some machines and equipment to produce exciting force, and is an important part utilizing mechanical vibration, and can make the excited object obtain vibration quantity with a certain form and size, so that it can make vibration and strength test of object or can make calibration of vibration test instrument and sensor, and can be used as exciting part to form vibration machine for implementing the work of conveying material or object, screening, compacting and forming, tamping soil sand stone and others. The current square vibration exciter of rocking sieve is not only complicated in structure, the excitation effect is not good, a square needs a plurality of vibration exciters on rocking the sieve, and every vibration exciter needs to use a motor, slew velocity can have the error between each motor, use the shale shaker for a long time, can produce the interference between each vibration exciter, influence the screening effect of rocking the sieve, it is too big to use too many electric chances to cause the consumption, and current vibration exciter mostly uses a polarization balancing weight, the balancing weight assembly is in the one end of axis of rotation, the other end assembly belt pulley of installation axis, when the balancing weight follows the axis of rotation and rotates, the axis of rotation that is equipped with the balancing weight will bear bigger power, the bearing wear of tip is more serious, because the atress is inhomogeneous, the security is low. Therefore, the existing square swinging screen vibration exciter has an unreasonable structure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel square vibrating screen vibration exciter, which aims to solve the technical problem of unreasonable structure of the existing square vibrating screen vibration exciter, and comprises a horizontally arranged base, wherein the base plays a role in supporting and fixing, vertically arranged assembly holes are formed in the four corners of the base, a motor, a first vibrating device and a second vibrating device are sequentially arranged at the top end of the base from left to right, the motor is fixed on the base through a motor support, the first vibrating device and the second vibrating device are identical in structure, the first vibrating device and the second vibrating device respectively comprise a horizontally arranged fixed plate, the fixed plate is detachably fixed on the base through a fixing bolt, a vertically arranged support frame is fixed at the top end of the fixed plate and plays a role in supporting, horizontally arranged assembly holes are formed in the support frame, a rotating shaft is sleeved in the assembly holes, and a first shaft bearing seat is detachably fixed on the left side of the support frame through a fixing bolt, be equipped with first bearing in the first bearing frame, the right side of support frame can be dismantled and be fixed with the second bearing frame that sets up with first bearing frame symmetry, is equipped with the second bearing in the second bearing frame, and the left end and the first bearing assembly of axis of rotation, the right-hand member and the second bearing assembly of axis of rotation, and the both ends of axis of rotation extend first bearing frame and second bearing frame. The polarization device comprises a first bearing seat, a second bearing seat, a motor, a first balancing weight, a second balancing weight, a coupler and a motor, wherein the first balancing weight is detachably fixed on a rotating shaft outside the first bearing seat, the second balancing weight is symmetrically arranged with the first balancing weight and is the same in weight as the first balancing weight, the first balancing weight and the second balancing weight are symmetrically arranged, the power output shaft of the motor is fixedly connected with the left end of the rotating shaft on the first vibrating device through the coupler, the right end of the rotating shaft on the first vibrating device is coaxially connected with the left end of the rotating shaft on the second vibrating device, the power output shaft of the motor drives the first balancing weight and the second balancing weight to rotate, and polarization of the first vibrating device and the second vibrating device is realized.

Preferably, the left side of the support frame is detachably fixed with a first protection shell through a fixing bolt; the right side of support frame can be dismantled through fixing bolt and be fixed with the second protective housing, and first protective housing and second protective housing all play dustproof effect.

Preferably, the first bearing and the second bearing are tapered roller bearings.

Preferably, the motor is a stepper motor.

Preferably, the top end of the motor is provided with a lifting lug.

The scheme has the following advantages:

the arrangement of the first vibration device and the second vibration device can ensure that the first vibration device and the second vibration device can be connected together in series, so that the polarization effect is better, one motor is adopted to drive the two polarization mechanisms, the energy consumption is reduced, the interference generated among the polarization mechanisms is reduced, and the screening effect of the square swing screen is improved; the first vibration device and the second vibration device are symmetrically provided with a first balancing weight and a second balancing weight, and the first balancing weight and the second balancing weight are symmetrically arranged to ensure that the stress of the rotating shaft is more uniform, so that the service life of the first bearing and the second bearing is prolonged; the motor is convenient to lift by crane in the setting of lug, convenient assembly.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Reference numerals: 1. a base; 2. a motor; 3. a first vibrating device; 4. a second vibrating device; 5. a coupling; 21. a motor support; 22. lifting lugs; 31. a fixing plate; 311. fixing the bolt; 32. a support frame; 33. a rotating shaft; 34. a first bearing housing; 341. a first bearing; 35. a second bearing housing; 351. a second bearing; 36. a first weight block; 37. a second counterweight block; 38. a first protective housing; 39. a second protective housing.

Detailed Description

As shown in figure 1, a novel square swinging screen vibration exciter comprises a horizontally arranged base 1, wherein the base 1 plays a role in supporting and fixing, assembling holes which are vertically arranged are formed in four corners of the base 1, a motor 2, a first vibrating device 3 and a second vibrating device 4 are sequentially arranged at the top end of the base 1 from left to right, the motor 2 is fixed on the base 1 through a motor support 21, the first vibrating device 3 and the second vibrating device 4 are identical in structure, the first vibrating device 3 and the second vibrating device 4 respectively comprise a horizontally arranged fixing plate 31, the fixing plate 31 is detachably fixed on the base 1 through a fixing bolt 311, a vertically arranged support frame 32 is fixed at the top end of the fixing plate 31, the support frame 32 plays a role in supporting, assembling holes which are horizontally arranged are formed in the support frame 32, a rotating shaft 33 is sleeved on the assembling holes, a first shaft bearing 34 is detachably fixed on the left side of the support frame 32 through a fixing bolt 311, first bearing 341 is assembled in first bearing frame 34, and the right side of support frame 32 can be dismantled and be fixed with the second bearing frame 35 with first bearing frame 34 symmetry setting, is assembled in second bearing frame 35 with second bearing 351, and the left end and the first bearing 341 assembly of axis of rotation 33, the right-hand member and the second bearing 351 assembly of axis of rotation 33, and the both ends of axis of rotation 33 extend first bearing frame 34 and second bearing frame 35. Can dismantle on the axis of rotation 33 in the first bearing frame 34 outside and be fixed with first balancing weight 36, can dismantle on the axis of rotation 33 in the second bearing frame 35 outside and be fixed with the second balancing weight 37 that sets up with first balancing weight 36 symmetry, the same and first balancing weight 36 of weight and second balancing weight 37 symmetry set up of first balancing weight 36, the power output shaft of motor 2 passes through shaft coupling 5 fixed connection with the left end of the axis of rotation 33 on the first vibrating device 3, the right-hand member of the axis of rotation 33 on the first vibrating device 3 is connected with the axis of rotation 33 left end coaxial line on the second vibrating device 4, the power output shaft of motor 2 drives first balancing weight 36 and second balancing weight 37 and rotates, realize the polarization of first vibrating device 3 and second vibrating device 4.

Preferably, the first protective case 38 is detachably fixed to the left side of the supporting bracket 32 by a fixing bolt 311; the second protective shell 39 is detachably fixed to the right side of the support frame 32 through a fixing bolt 311, and the first protective shell 38 and the second protective shell 39 both play a dustproof role.

Preferably, the first and second bearings 341 and 351 are tapered roller bearings.

Preferably, the motor 2 is a stepper motor.

Preferably, the top end of the motor 2 is provided with a lifting lug 22.

The use process comprises the following steps:

when the vibrating screen is used, the first vibrating device 3 and the second vibrating device 4 are fixed on the base 1 through the fixing bolts 311, the motor 2 is fixed on the base 1 through the motor support 21, the first balancing weight 36 and the second balancing weight 37 in the first vibrating device 3 and the second vibrating device 4 are adjusted to be in the same direction, then the power output shaft of the motor 2 is fixedly connected with the left end of the rotating shaft 33 of the first vibrating device 3 through the coupler 5, the right end of the rotating shaft 33 of the first vibrating device 3 is fixedly connected with the left end of the rotating shaft 33 of the second vibrating device 4 through the coupler 5, finally the base 1 is fixed on the square swinging screen through the fixing bolts 311, the motor 2 is powered on through a cable, the motor 2 is started, and the motor 2 drives the first balancing weight 36 and the second balancing weight 37 to eccentrically rotate, so that the square swinging screen vibrates.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a novel square swinging screen vibration exciter, includes the base that the level set up, the pilot hole of vertical setting, its characterized in that are all seted up to the four corners department of base: the top end of the base is sequentially provided with a motor, a first vibrating device and a second vibrating device from left to right, the motor is fixed on the base through a motor support, the first vibrating device and the second vibrating device are identical in structure, the first vibrating device and the second vibrating device respectively comprise a fixing plate which is horizontally arranged, the fixing plate is detachably fixed on the base through a fixing bolt, a vertically arranged support frame is fixed at the top end of the fixing plate, a horizontally arranged assembling hole is formed in the support frame, a rotating shaft is sleeved on the assembling hole, a first bearing seat is detachably fixed on the left side of the support frame through the fixing bolt, a first bearing is assembled in the first bearing seat, a second bearing seat which is symmetrically arranged with the first bearing seat is detachably fixed on the right side of the support frame, a second bearing is assembled in the second bearing seat, the left end of the rotating shaft is assembled with the first bearing, and the right end of the rotating shaft is assembled with the second bearing, a first bearing seat and a second bearing seat extend out of two ends of the rotating shaft, a first balancing weight is detachably fixed on the rotating shaft outside the first bearing seat, a second balancing weight which is symmetrical to the first balancing weight is detachably fixed on the rotating shaft outside the second bearing seat, and the first balancing weight and the second balancing weight are symmetrically arranged; the power output shaft of the motor is fixedly connected with the left end of the rotating shaft on the first vibrating device through a coupler, and the right end of the rotating shaft on the first vibrating device is coaxially connected with the left end of the rotating shaft on the second vibrating device.

2. The novel square swinging screen vibration exciter according to claim 1, characterized in that: a first protective shell is detachably fixed on the left side of the supporting frame through a fixing bolt; the right side of support frame is fixed with the second protective housing through fixing bolt can dismantle.

3. The novel square swinging screen vibration exciter according to claim 2, characterized in that: the first bearing and the second bearing are tapered roller bearings.

4. The novel square swinging screen vibration exciter according to claim 3, characterized in that: the motor is a stepping motor.

5. The novel square swinging screen vibration exciter according to claim 4, characterized in that: the top end of the motor is provided with a lifting lug.