Vibration exciter for circular swinging screen
Technical Field
The utility model relates to the technical field of circular swinging sieves, in particular to a circular swinging sieve vibration exciter.
Background
The swinging sieve is a high-efficiency sieving machine which is specially designed to meet the requirements of large-yield and high-precision sieving, the swinging sieve adopts a simulated manual sieving process, materials placed in equipment are sieved, the vibration intensity of the circular swinging sieve with different types is mainly controlled by the vibration intensity of a vibration exciter, the vibration exciter with adjustable vibration amplitude is manually adjusted, the steps are complex during the large-amplitude vibration adjustment, the use is inconvenient, the structure of the vibration exciter of the conventional circular swinging sieve is complex, and the vibration intensity of the vibration exciter cannot be adjusted, so that the vibration exciter cannot be universal.
Disclosure of utility model
The utility model aims to overcome the existing defects, provides the circular swinging sieve vibration exciter, has a simple structure, is convenient to install, can adjust the vibration amplitude of the vibration exciter, meets the screening of different raw materials, and can effectively solve the problems in the background art.
The vibration exciter comprises a vibration exciter shell, wherein the vibration exciter shell is of a conical structure, a rotating shaft is connected to the center of the vibration exciter shell through a bearing, the upper end of the rotating shaft penetrates through and extends to the upper end of the vibration exciter shell, a fixed eccentric block is fixed on the outer side of the upper end and the outer side of the lower end of the rotating shaft respectively, the two fixed eccentric blocks are positioned on the left side and the right side of the rotating shaft respectively, a motor is fixedly installed on the vibration exciter shell, a belt pulley is fixed on an output shaft of the motor and the lower end of the rotating shaft respectively, the two belt pulleys are in transmission through a belt, a mounting bracket is arranged on the vibration exciter shell, an up-down movable seat is fixed on the inner top surface of the mounting bracket, an adjustable eccentric piece is arranged on the left side and the right side of the up-down movable seat respectively, and a plug connector is arranged between the lower end of the up-down movable seat and the upper end of the rotating shaft.
Further, but the osculum includes the electric telescopic post of fixing on the installing support, and electric telescopic post's flexible end is connected with the connector post through the bearing, can drive the connector post and reciprocate through electric telescopic post is flexible, can peg graft the plug connector through the connector post reciprocates to the connector post follows when this makes the pivot rotate, rotates through the connector post and can drive adjustable eccentric part and rotate.
Further, the plug connector comprises a plug groove and a plug column, the plug groove is arranged at the upper end of the rotating shaft, the plug column is fixed at the lower end of the connecting short column, the lower end of the plug column is of a conical structure, the outer side of the plug column is of a non-circular structure, the plug groove corresponds to the plug column, and when the connecting short column moves downwards, the plug column is inserted into the plug groove, so that the connecting short column is guaranteed to rotate along with the rotating shaft.
Further, the adjustable eccentric member comprises an eccentric seat, a sliding rail is fixed on the upper surface of the eccentric seat, an eccentric balancing weight in sliding connection is arranged on the sliding rail, a support is fixed on the upper surface of the eccentric seat, an adjusting stud is connected to the support in a threaded connection mode, one end of the adjusting stud is connected with one end of the eccentric balancing weight through a bearing, the adjusting stud can move left and right when rotating, the eccentric balancing weight can be driven to slide along the sliding rail when moving through the adjusting stud, and therefore the position of the eccentric balancing weight, which is away from a connecting short column, is adjusted, and vibration amplitude is adjusted.
Compared with the prior art, the vibration sieve vibration exciter has the advantages that the device can be installed through the installation support, the rotating shaft can be driven to rotate through the rotation of the motor, when the adjusting stud rotates, the adjusting stud can be driven to slide along the sliding track, the position of the eccentric balancing weight away from the connecting post is adjusted through the sliding of the adjusting stud, the vibration amplitude is adjusted, the connecting post can be driven to move up and down through the expansion and contraction of the electric telescopic post, the plug connector can be plugged through the up and down movement of the connecting post, the connecting post can be driven to rotate along with the rotation of the rotating shaft when the rotating shaft rotates, the connecting post can be driven to rotate along with the rotating shaft through the rotation of the connecting post, the circular vibration sieve vibration exciter can be driven to vibrate through the rotation of the connecting post, and the circular vibration sieve vibration exciter is simple in structure, and can adjust the vibration amplitude of the vibration exciter, so that different raw materials can be sieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the adjustable eccentric member structure of the present utility model;
In the figure, a motor 1, a belt pulley 2, a belt 3, a fixed eccentric block 4, a rotating shaft 5, a plug connector 6, a plug groove 61, a plug column 62, an adjustable eccentric member 7, an eccentric balancing weight 71, a sliding track 72, an adjusting stud 73, a support 74, an eccentric seat 75, an up-and-down movable seat 8, an electric telescopic column 81, a connecting short column 82, a mounting bracket 9 and a vibration exciter shell 10 are arranged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present utility model provides a technical solution: the circular swinging sieve vibration exciter comprises a vibration exciter shell 10, the vibration exciter shell 10 is of a conical structure, the center of the vibration exciter shell 10 is connected with a rotating shaft 5 through a bearing, the upper end of the rotating shaft 5 penetrates through and extends to the upper end of the vibration exciter shell 10, a fixed eccentric block 4 is respectively fixed on the outer side of the upper end and the outer side of the lower end of the rotating shaft 5, two fixed eccentric blocks 4 are respectively positioned on the left side and the right side of the rotating shaft 5, a motor 1 is fixedly arranged on the vibration exciter shell 10, an output shaft of the motor 1 and the lower end of the rotating shaft 5 are respectively fixed with a belt pulley 2, the two belt pulleys 2 are driven by a belt 3, a mounting bracket 9 is arranged on the vibration exciter shell 10, an up-down movable seat 8 is fixed on the inner top surface of the mounting bracket 9, two left and right sides of the up-down movable seat 8 are respectively provided with an adjustable eccentric piece 7, a plug-in unit 6 is arranged between the lower end of the up-down movable seat 8 and the upper end of the rotating shaft 5, the up-down movable seat 8 comprises an electric telescopic column 82 fixed on the mounting bracket 9, the telescopic end of the electric telescopic column 82 is connected with a connecting post 82 through a bearing, the connecting post 82 can be driven to move up and down by the telescopic action of the electric telescopic column 82, the plug-in unit 6 can be plugged by the up-down movement of the connecting post 82, so that the connecting post 82 follows rotation when the rotating shaft 5 rotates, the adjustable eccentric member 7 can be driven to rotate by the rotation of the connecting post 82, the plug-in unit 6 comprises a plug-in groove 61 and a plug-in post 62, the plug-in groove 61 is arranged at the upper end of the rotating shaft 5, the plug-in post 62 is fixed at the lower end of the connecting post 82, the lower end of the plug-in post 62 is in a conical structure, the outer side of the plug-in post 62 is in a non-circular structure, the plug-in groove 61 corresponds to the plug-in post 62, when the connecting stud 82 moves downwards, the inserting column 62 is inserted into the inserting groove 61, so that the connecting stud 82 is guaranteed to rotate along the rotating shaft 5, the adjustable eccentric member 7 comprises an eccentric seat 75, a sliding rail 72 is fixed on the upper surface of the eccentric seat 75, a sliding eccentric weight 71 is arranged on the sliding rail 72 and is connected with a support 74, an adjusting stud 73 is connected to one end of the eccentric weight 71 in a threaded connection mode, one end of the adjusting stud 73 is connected with one end of the eccentric weight 71 through a bearing, when the adjusting stud 73 rotates, the adjusting stud 73 can move left and right, the eccentric weight 71 can be driven to slide along the sliding rail 72, the position of the eccentric weight 71, which is away from the connecting stud 82, is adjusted, so that the vibration amplitude is adjusted.
When the device is used, the device can be installed through the installation support 9, the rotating shaft 5 can be driven to rotate through the rotation of the motor 1, when the adjusting stud 73 rotates, the adjusting stud 73 can be driven to move left and right, the eccentric balancing weight 71 can be driven to slide along the sliding track 72 when the adjusting stud 73 moves, the position of the eccentric balancing weight 71 away from the connecting post 82 is adjusted, the vibration amplitude is adjusted, the connecting post 82 can be driven to move up and down through the expansion and contraction of the electric telescopic post 82, the plug connector 6 can be plugged through the up and down movement of the connecting post 82, the connecting post 82 can rotate along with the rotating shaft 5 when the rotating shaft 5 rotates, the adjustable eccentric member 7 can be driven to rotate through the rotation of the connecting post 82, and when the connecting post 82 moves downwards, the plug connector post 62 is inserted into the plug groove 61, so that the connecting post 82 can rotate along with the rotating shaft 5, and the circular swing sieve can be driven to vibrate.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.