Round rocking sieve vibration exciter

Abstract

The utility model discloses a circular rocking sieve vibration exciter which comprises a vibration exciter shell, the vibration exciter shell is of a conical structure, the center of the vibration exciter shell is connected with a rotating shaft through a bearing, the upper end of the rotating shaft penetrates through and extends to the upper end of the vibration exciter shell, and the outer side of the upper end and the outer side of the lower end of the rotating shaft are each fixedly provided with a fixed eccentric block. The two fixed eccentric blocks are located on the left side and the right side of the rotating shaft respectively, a motor is fixedly installed on the vibration exciter shell, belt wheels are fixed to an output shaft of the motor and the lower end of the rotating shaft respectively, the two belt wheels are driven through a belt, an installation support is arranged on the vibration exciter shell, and a base capable of moving up and down is fixed to the inner top face of the installation support. The circular rocking sieve vibration exciter is simple in structure and convenient to mount, and the vibration amplitude of the vibration exciter can be adjusted, so that screening of different raw materials is met.

Description

Technical Field

[0001] The utility model relates to the technical field of circular rocking screens, in particular to a circular rocking screen vibrator. Background Art

[0002] The swing screen is a high-efficiency screening machine specially designed to meet the needs of large-scale, high-precision screening. The swing screen adopts an artificial screening process to screen the materials placed inside the equipment. Different types of circular swing screens are required for raw materials with different particles. The vibration intensity of the circular swing screen is mainly controlled by the vibration intensity of the vibrator. The existing vibrator with adjustable vibration amplitude requires manual adjustment. The steps for adjusting large-amplitude vibration are complicated and inconvenient to use. The existing circular swing screen vibrator has a complex structure and cannot adjust the vibration intensity of the vibrator, so it cannot be universally used. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a circular swing screen vibrator with a simple structure, which not only makes installation easier, but also allows the vibration amplitude of the vibrator to be adjusted to meet the screening of different raw materials, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circular rocking screen vibrator, comprising a vibrator housing, the vibrator housing is a conical structure, and the center of the vibrator housing is connected to a rotating shaft through a bearing, the upper end of the rotating shaft passes through and extends to the upper end of the vibrator housing, and a fixed eccentric block is fixed to the outer side of the upper end and the outer side of the lower end of the rotating shaft, respectively, and the two fixed eccentric blocks are respectively located on the left and right sides of the rotating shaft, and a motor is fixedly installed on the vibrator housing, and a pulley is respectively fixed to the output shaft of the motor and the lower end of the rotating shaft, and the two pulleys are driven by a belt, and a mounting bracket is provided on the vibrator housing, and a seat that can be moved up and down is fixed to the inner top surface of the mounting bracket, and an adjustable eccentric piece is respectively provided on the left and right sides of the seat that can be moved up and down, and a plug-in piece is provided between the lower end of the seat that can be moved up and down and the upper end of the rotating shaft.

[0005] Furthermore, the up-and-down movable seat includes an electric telescopic column fixed on a mounting bracket, and the telescopic end of the electric telescopic column is connected to a connecting short column through a bearing. The electric telescopic column can be extended and retracted to drive the connecting short column to move up and down, and the connecting short column can be connected by moving the connecting short column up and down, so that the connecting short column follows the rotation when the rotating shaft rotates, and the adjustable eccentric can be driven to rotate by the rotation of the connecting short column.

[0006] Furthermore, the connector includes a connector slot and a connector column, the connector slot is arranged at the upper end of the rotating shaft, the connector column is fixed at the lower end of the connecting short column, the lower end of the connector column is a conical structure, and the outer side of the connector column is a non-circular structure, the connector slot corresponds to the connector column, when the connecting short column moves downward, the connector column is inserted into the inside of the connector slot, thereby ensuring that the connecting short column rotates with the rotating shaft.

[0007] Furthermore, the adjustable eccentric member includes an eccentric seat, a sliding track is fixed on the upper surface of the eccentric seat, a slidingly connected eccentric counterweight is provided on the sliding track, and a support is fixed on the upper surface of the eccentric seat, an adjusting stud is connected to the support by a threaded connection, one end of the adjusting stud is connected to one end of the eccentric counterweight through a bearing, and when the adjusting stud is rotated, it can move left and right, and when the adjusting stud moves, it can drive the eccentric counterweight to slide along the sliding track, so that the eccentric counterweight is adjusted to adjust the distance of the connecting short column, thereby adjusting the vibration amplitude.

[0008] Compared with the prior art, the beneficial effects of the utility model are as follows: the device can be installed by means of an installation bracket, the rotating shaft can be driven to rotate by means of a motor rotation, and can move left and right when the adjusting stud is rotated, and the eccentric counterweight can be driven to slide along the sliding track when the adjusting stud is moved, so that the eccentric counterweight can be adjusted to adjust the distance of the connecting short column to adjust the position, thereby adjusting the vibration amplitude, and the connecting short column can be driven to move up and down by means of the extension and retraction of the electric telescopic column, and the plug-in piece can be plugged in by means of the up and down movement of the connecting short column, so that the connecting short column follows the rotation when the rotating shaft rotates, and the adjustable eccentric piece can be driven to rotate by means of the rotation of the connecting short column, and when the connecting short column moves downward, the plug-in column is inserted into the inside of the plug-in slot, so as to ensure that the connecting short column follows the rotation of the rotating shaft, thereby driving the circular rocking screen to vibrate, and the circular rocking screen exciter has a simple structure, which not only makes installation easier, but also allows the vibration amplitude of the exciter to be adjusted to meet the screening needs of different raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the structure of the utility model;

[0010] Figure 2 This is a schematic diagram of the structure of the adjustable eccentric member of the utility model;

[0011] In the figure: 1 motor, 2 pulley, 3 belt, 4 fixed eccentric block, 5 rotating shaft, 6 connector, 61 connector slot, 62 connector column, 7 adjustable eccentric, 71 eccentric counterweight, 72 sliding track, 73 adjusting stud, 74 support, 75 eccentric seat, 8 up and down movable seat, 81 electric telescopic column, 82 connecting short column, 9 mounting bracket, 10 exciter housing. DETAILED DESCRIPTION

[0012] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0013] See also Figure 1-2The utility model provides a technical solution: a circular swing screen vibrator, including a vibrator housing 10, the vibrator housing 10 is a conical structure, and the center of the vibrator housing 10 is connected to a rotating shaft 5 through a bearing, the upper end of the rotating shaft 5 passes through and extends to the upper end of the vibrator housing 10, and a fixed eccentric block 4 is fixed to the outer side of the upper end and the outer side of the lower end of the rotating shaft 5, respectively, and the two fixed eccentric blocks 4 are respectively located on the left and right sides of the rotating shaft 5. A motor 1 is fixedly installed on the vibrator housing 10, and a pulley 2 is fixed to the output shaft of the motor 1 and the lower end of the rotating shaft 5, respectively, and the two pulleys 2 are driven by a belt 3. The vibrator housing 10 is provided with The mounting bracket 9 has a seat 8 that can be moved up and down fixed to the inner top surface of the mounting bracket 9. An adjustable eccentric piece 7 is respectively arranged on the two left and right sides of the seat 8 that can be moved up and down. A plug-in piece 6 is arranged between the lower end of the seat 8 that can be moved up and down and the upper end of the rotating shaft 5. The seat 8 that can be moved up and down includes an electric telescopic column 82 that is fixed to the mounting bracket 9. The telescopic end of the electric telescopic column 82 is connected to a connecting short column 82 through a bearing. The connecting short column 82 can be driven to move up and down by the extension and retraction of the electric telescopic column 82. The plug-in piece 6 can be plugged in by the up and down movement of the connecting short column 82, so that the connecting short column 82 can rotate with the rotating shaft 5. The connecting short column 82 rotates by rotating the connecting short column 82. The movement can drive the adjustable eccentric member 7 to rotate. The plug-in member 6 includes a plug-in slot 61 and a plug-in column 62. The plug-in slot 61 is arranged at the upper end of the rotating shaft 5. The plug-in column 62 is fixed to the lower end of the connecting short column 82. The lower end of the plug-in column 62 is a conical structure, and the outer side of the plug-in column 62 is a non-circular structure. The plug-in slot 61 corresponds to the plug-in column 62. When the connecting short column 82 moves downward, the plug-in column 62 is inserted into the inside of the plug-in slot 61 to ensure that the connecting short column 82 rotates with the rotating shaft 5. The adjustable eccentric member 7 includes an eccentric seat 75. A sliding track 72 is fixed to the upper surface of the eccentric seat 75. The sliding track 72 is provided with an eccentric matching member for sliding connection. The eccentric weight block 71 is a block of the circular swing screen, and a support 74 is fixed on the upper surface of the eccentric seat 75. An adjusting stud 73 is connected to the support 74 by a threaded connection. One end of the adjusting stud 73 is connected to one end of the eccentric weight block 71 by a bearing. When the adjusting stud 73 is rotated, it can move left and right. When the adjusting stud 73 moves, the eccentric weight block 71 can be driven to slide along the sliding track 72. The distance between the eccentric weight block 71 and the position of the connecting short column 82 is adjusted to thereby adjust the vibration amplitude. The circular swing screen vibrator has a simple structure, which not only makes installation easier, but also allows the vibration amplitude of the vibrator to be adjusted to meet the screening needs of different raw materials.

[0014] During use: the device can be installed by installing the bracket 9, and the rotation of the motor 1 can drive the rotating shaft 5 to rotate. When the adjusting stud 73 is rotated, it can move left and right. When the adjusting stud 73 moves, the eccentric counterweight block 71 can be driven to slide along the sliding track 72, so that the eccentric counterweight block 71 can adjust the distance of the connecting short column 82 to adjust the position, thereby adjusting the vibration amplitude, and the electric telescopic column 82 can be used to extend and retract the connecting short column 82 to drive the connecting short column 82 to move up and down. The plug-in component 6 can be plugged in by moving the connecting short column 82 up and down, so that when the rotating shaft 5 rotates, the connecting short column 82 follows the rotation, and the rotation of the connecting short column 82 can drive the adjustable eccentric component 7 to rotate. When the connecting short column 82 moves downward, the plug-in column 62 is inserted into the inside of the plug-in slot 61, so as to ensure that the connecting short column 82 follows the rotation of the rotating shaft 5, thereby driving the circular rocking screen to vibrate.

[0015] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circular rocking screen vibrator, comprising a vibrator housing (10), characterized in that: The exciter housing (10) is a conical structure, and the center of the exciter housing (10) is connected to a rotating shaft (5) via a bearing, the upper end of the rotating shaft (5) passes through and extends to the upper end of the exciter housing (10), and a fixed eccentric block (4) is fixed to the outer side of the upper end and the outer side of the lower end of the rotating shaft (5), respectively, and the two fixed eccentric blocks (4) are respectively located on the left and right sides of the rotating shaft (5), and the exciter housing (10) is fixedly mounted with a motor (1), and the output shaft of the motor (1) and the lower end of the rotating shaft (5) are respectively fixed with a pulley (2), and the two pulleys (2) are driven by a belt (3), and the exciter housing (10) is provided with a mounting bracket (9), and a vertically movable seat (8) is fixed to the inner top surface of the mounting bracket (9), and an adjustable eccentric piece (7) is respectively provided on the left and right sides of the vertically movable seat (8), and a plug-in component (6) is provided between the lower end of the vertically movable seat (8) and the upper end of the rotating shaft (5).

2. The circular swing screen vibrator according to claim 1, characterized in that: The up-and-down movable seat (8) comprises an electric telescopic column (81) fixed on a mounting bracket (9), and a telescopic end of the electric telescopic column (81) is connected to a connecting short column (82) via a bearing.

3. The circular swing screen vibrator according to claim 1, characterized in that: The plug-in connector (6) comprises a plug-in slot (61) and a plug-in column (62); the plug-in slot (61) is arranged at the upper end of the rotating shaft (5); the plug-in column (62) is fixed to the lower end of the connecting short column (82); the lower end of the plug-in column (62) is a conical structure, and the outer side of the plug-in column (62) is a non-circular structure; the plug-in slot (61) corresponds to the plug-in column (62).

4. The circular swing screen vibrator according to claim 1, characterized in that: The adjustable eccentric member (7) comprises an eccentric seat (75), a sliding track (72) being fixed on the upper surface of the eccentric seat (75), an eccentric counterweight (71) being slidably connected to the sliding track (72), and a support (74) being fixed on the upper surface of the eccentric seat (75), an adjusting stud (73) being connected to the support (74) by means of a threaded connection, and one end of the adjusting stud (73) being connected to one end of the eccentric counterweight (71) by means of a bearing.

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