CN218554758U

CN218554758U - Combined eccentric block for vibrating screen

Info

Publication number: CN218554758U
Application number: CN202222863065.1U
Authority: CN
Inventors: 刘雨; 王章禄
Original assignee: Hubei Yuanzhong Piston Co ltd
Current assignee: Hubei Yuanzhong Piston Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-03
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a shale shaker is with combination eccentric block, including first eccentric block, first eccentric block lateral symmetry is provided with first eccentric block. The utility model discloses, when the eccentric block is dismantled to needs, make the carriage remove to eccentric block major axis direction, the carriage drives the slider and removes in the spout, the spout is the setting of the splayed of falling, along with the removal of carriage, first eccentric block, the second eccentric block produces relative rotation, open the shaft hole, can directly take off the eccentric block, during the installation eccentric block, the shaft hole cover of opening is in the pivot, later make the carriage remove to opposite direction, can be with first eccentric block, the second eccentric block merges and constitutes complete eccentric block, through this combination formula eccentric block, can be under the condition that need not to dismantle the pivot, directly carry out the dismouting to the eccentric block, and drive the eccentric block through the slip of carriage and open and shut, can slide the carriage position through positioning mechanism simultaneously, open automatically when avoiding the eccentric block to receive vibrations.

Description

Combined eccentric block for vibrating screen

Technical Field

The utility model relates to a shale shaker eccentric block technical field specifically is a shale shaker is with combination eccentric block.

Background

The vibrating screen works by utilizing reciprocating rotary vibration generated by vibration excitation of the vibrator, the upper rotary heavy hammer of the vibrator enables the screen surface to generate plane rotary vibration, the lower rotary heavy hammer enables the screen surface to generate conical surface rotary vibration, the screen surface generates repeated rotary vibration by the combined effect of the conical surface rotary vibration, and the vibrator is an eccentric block and generates vibrating force by driving the eccentric block to rotate.

Current eccentric blocks for vibrating screens, such as those disclosed in publication No.: CN214211306U provides a combination eccentric block for shale shaker, this utility model discloses a with traditional holistic eccentric block decompose into eccentric block, lower eccentric block and counterweight plate triplex, connect through bolt assembly, but form the eccentric block of split, the dismantlement when being convenient for install and maintaining satisfies the requirement of the maintenance adjustment convenience of eccentric block, simple structure, low cost is fit for extensive popularization and application.

However, although the eccentric block can be directly disassembled or assembled, the upper eccentric block and the lower eccentric block are connected through the bolt assembly, the nut needs to be loosened or screwed difficultly in disassembling and assembling of the bolt assembly, the disassembling and assembling are very inconvenient, and after the eccentric block is used for a long time, the nut and the bolt are easy to seize, the disassembling and assembling are more difficult and the eccentric block is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shale shaker is with combination eccentric block has reached through this combination formula eccentric block, can be under the condition that need not to dismantle the pivot, directly carry out the dismouting to the eccentric block to the slip through the carriage drives the eccentric block and opens and shuts, can slide the carriage position through positioning mechanism simultaneously, the automatic purpose of opening when avoiding the eccentric block to receive vibrations.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shale shaker is with combination eccentric block, includes first eccentric block, first eccentric block one side symmetry is provided with the second eccentric block, first eccentric block rotates with the second eccentric block bottom and is connected.

The same side of the first eccentric block and the second eccentric block is symmetrically provided with a sliding chute, and the outer side of the sliding chute is provided with a sliding frame;

and a sliding block is fixed on one side of the sliding frame corresponding to the sliding chute, and the sliding frame is connected with the first eccentric block and the second eccentric block through a positioning mechanism.

Preferably, the first eccentric block and the second eccentric block are close to the inside of top and all offered the shaft hole, the first eccentric block and the bottom that the second eccentric block is close to the shaft hole have all offered the keyway.

Preferably, the sliding groove is in an inverted-splayed shape, the sliding groove and the sliding block are both in a T shape, and the sliding groove and the sliding block form a sliding structure.

Preferably, positioning mechanism includes the constant head tank, the constant head tank has all been seted up to one side that first eccentric block and second eccentric block are close to the spout upper end, the carriage is close to the middle part of first eccentric block and second eccentric block one side and has been seted up the locating plate groove, the carriage corresponds the outside at locating plate groove middle part and runs through there is the pull rod groove, the inside of pull rod groove runs through there is the pull rod, the end fixing that the pull rod is close to the locating plate groove has the locating plate, the cover has the spring on the pull rod between locating plate to the pull rod groove, one side that the locating plate corresponds the constant head tank is fixed with the locating lever.

Preferably, the distance between the positioning rods is equal to the distance between the positioning grooves, and the outer diameter of each positioning rod is matched with the inner diameter of each positioning groove.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses, when the eccentric block is dismantled to needs, carriage and first eccentric block are relieved, the connection of second eccentric block, make the carriage remove to the eccentric block major axis direction, the carriage drives the slider and removes in the spout, the spout is the setting of the type of falling eight, along with the removal of carriage, the carriage passes through the slider and drives first eccentric block, the second eccentric block produces relative rotation, make first eccentric block, the separation of second eccentric block, open the shaft hole, can directly take off the eccentric block, when installing the eccentric block, the shaft hole cover that will open is in the pivot, later make the carriage remove to opposite direction, can merge first eccentric block, the second eccentric block constitutes complete eccentric block, through this combination formula eccentric block, can be under the condition that need not to dismantle the pivot, directly carry out the dismouting to the eccentric block, and the slip through the carriage drives the eccentric block and opens and shuts, can slide the carriage position through positioning mechanism simultaneously, avoid the eccentric block to receive the vibrations automatic opening.

2. The utility model discloses, when the eccentric block is dismantled to needs, the pulling pull rod, the pull rod drives the locating lever and overcomes spring force and make it shift out the constant head tank, make the carriage can remove, open the eccentric block, when the eccentric block is closed, along with the removal of carriage, when the eccentric block is complete closed, the locating lever just to it with the constant head tank, the spring passes through the inside that the locating lever inserted the constant head tank of locating plate drive, through the location structure of constant head tank and locating lever constitution, fix the carriage position, avoid the eccentric block during operation, the carriage removes and leads to the eccentric block to open, the dismouting is very convenient.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a structural diagram illustrating the opened state of the first eccentric block and the second eccentric block of the present invention;

fig. 4 is a schematic top view of the sliding frame according to the present invention.

In the figure: 1. a first eccentric mass; 2. a second eccentric mass; 3. a shaft hole; 4. a keyway; 5. a chute; 6. a carriage; 7. a slider; 8. positioning a groove; 9. a positioning plate slot; 10. a pull rod groove; 11. a pull rod; 12. positioning a plate; 13. a spring; 14. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a shale shaker is with combination eccentric block, includes first

eccentric block

1, and 1 one side symmetry of first eccentric block is provided with second eccentric block 2, and first eccentric block 1 rotates with 2 bottoms of second eccentric block to be connected.

The same side of the first eccentric block 1 and the second eccentric block 2 is symmetrically provided with a sliding chute 5, and the outer side of the sliding chute 5 is provided with a sliding frame 6;

a sliding block 7 is fixed on one side of the sliding frame 6 corresponding to the sliding chute 5, and the sliding frame 6 is connected with the first eccentric block 1 and the second eccentric block 2 through a positioning mechanism;

when the eccentric block needs to be disassembled, the sliding frame 6 is disconnected with the first eccentric block 1 and the second eccentric block 2, the sliding frame 6 is enabled to move towards the long half shaft direction of the eccentric block, the sliding frame 6 drives the sliding block 7 to move in the sliding groove 5, the sliding groove 5 is arranged in a shape like an inverted Chinese character 'ba', along with the movement of the sliding frame 6, the sliding frame 6 drives the first eccentric block 1 through the sliding block 7, the second eccentric block 2 generates relative rotation, the first eccentric block 1 and the second eccentric block 2 are enabled to be separated, the shaft hole 3 is opened, the eccentric block can be directly taken down, when the eccentric block is installed, the shaft hole 3 which is opened is sleeved on a rotating shaft, the sliding frame 6 is enabled to move towards the opposite direction, the first eccentric block 1 and the second eccentric block 2 can be combined to form a complete eccentric block, the combined eccentric block can be used for directly disassembling and assembling the eccentric block under the condition that the rotating shaft does not need to be disassembled, the eccentric block is directly disassembled and the sliding drive the eccentric block to be opened and closed through the sliding of the sliding frame 6, meanwhile, the sliding frame 6 can slide to the position through the positioning mechanism, and the eccentric block is prevented from being automatically opened when being vibrated.

Referring to fig. 1 to 4, shaft holes 3 are respectively formed in the first eccentric block 1 and the second eccentric block 2 near the upper portion, key slots 4 are respectively formed in the bottom ends of the first eccentric block 1 and the second eccentric block 2 near the shaft holes 3, the sliding groove 5 is in an inverted-splayed shape, the sliding groove 5 and the sliding block 7 are both in a T shape, and the sliding groove 5 and the sliding block 7 form a sliding structure.

Referring to fig. 1 to 4, the positioning mechanism includes a positioning slot 8, a positioning slot 8 is disposed on one side of each of the first eccentric block 1 and the second eccentric block 2 near the upper end of the sliding slot 5, a positioning plate slot 9 is disposed in the middle of the sliding frame 6 near one side of the first eccentric block 1 and the second eccentric block 2, a pull rod slot 10 penetrates through the outer side of the sliding frame 6 corresponding to the middle of the positioning plate slot 9, a pull rod 11 penetrates through the pull rod slot 10, a positioning plate 12 is fixed at the end of the pull rod 11 near the positioning plate slot 9, a spring 13 is sleeved on the pull rod 11 between the positioning plate 12 and the pull rod slot 10, a positioning rod 14 is fixed on one side of the positioning plate 12 corresponding to the positioning slot 8, the distance between the positioning rods 14 is equal to the distance between the positioning slots 8, the outer diameter of the positioning rod 14 is identical to the inner diameter of the positioning slot 8, when the eccentric block needs to be disassembled, the positioning rod 11 is pulled to drive the positioning rod 14 to overcome the elastic force of the spring 13 to move out of the positioning slot 8, the sliding frame 6 can move, when the eccentric block is completely disassembled, the eccentric block is closed, the positioning slot is prevented from being inserted into the positioning slot 6, and the positioning plate 14 is opened by the spring, and the positioning plate 14.

The working principle is as follows: when the eccentric block needs to be disassembled, the sliding frame 6 is disconnected with the first eccentric block 1 and the second eccentric block 2, the sliding frame 6 moves towards the direction of the long half shaft of the eccentric block, the sliding frame 6 drives the sliding block 7 to move in the sliding groove 5, the sliding groove 5 is arranged in an inverted splayed manner, along with the movement of the sliding frame 6, the sliding frame 6 drives the first eccentric block 1 and the second eccentric block 2 to relatively rotate through the sliding block 7, so that the first eccentric block 1 and the second eccentric block 2 are separated, the shaft hole 3 is opened, the eccentric block can be directly taken down, when the eccentric block is installed, the opened shaft hole 3 is sleeved on the rotating shaft, then the sliding frame 6 moves towards the opposite direction, and the first eccentric block 1 and the second eccentric block 2 can be combined to form a complete eccentric block, through this combination formula eccentric block, can be under the condition that need not to dismantle the pivot, directly carry out the dismouting to the eccentric block, and when needs dismantle the eccentric block, pulling pull rod 11, pull rod 11 drives locating lever 14 and overcomes spring 13 elasticity and make it shift out constant head tank 8, make carriage 6 can remove, open the eccentric block, when the eccentric block is closed, along with carriage 6's removal, when the eccentric block is complete closed, locating lever 14 just to it with constant head tank 8, spring 13 drives locating lever 14 through locating plate 12 and inserts the inside of constant head tank 8, through the location structure of constant head tank 8 with locating lever 14 constitution, fix carriage 6 position, when avoiding the eccentric block during operation, carriage 6 removes and leads to the eccentric block to open.

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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A combined eccentric block for a vibrating screen comprises a first eccentric block (1), and is characterized in that: one side of the first eccentric block (1) is symmetrically provided with a second eccentric block (2), the first eccentric block (1) is rotationally connected with the bottom end of the second eccentric block (2),

the same side of the first eccentric block (1) and the second eccentric block (2) is symmetrically provided with a sliding chute (5), and the outer side of the sliding chute (5) is provided with a sliding frame (6);

one side of the sliding frame (6) corresponding to the sliding groove (5) is fixed with a sliding block (7), and the sliding frame (6) is connected with the first eccentric block (1) and the second eccentric block (2) through a positioning mechanism.

2. The composite eccentric block for a vibrating screen according to claim 1, wherein: shaft hole (3) have all been seted up to inside that first eccentric block (1) and second eccentric block (2) are close to the top, keyway (4) have all been seted up to bottom that first eccentric block (1) and second eccentric block (2) are close to shaft hole (3).

3. The composite eccentric block for a vibrating screen according to claim 1, wherein: the sliding groove (5) is in an inverted splayed shape, the sliding groove (5) and the sliding block (7) are both in a T shape, and the sliding groove (5) and the sliding block (7) form a sliding structure.

4. The composite eccentric block for a vibrating screen according to claim 1, wherein: positioning mechanism includes constant head tank (8), constant head tank (8) have all been seted up to one side that first eccentric block (1) and second eccentric block (2) are close to spout (5) upper end, carriage (6) are close to the middle part of first eccentric block (1) and second eccentric block (2) one side and have been seted up locating plate groove (9), carriage (6) correspond the outside at locating plate groove (9) middle part and run through there are pull rod groove (10), the inside of pull rod groove (10) runs through there is pull rod (11), the end fixing that pull rod (11) are close to locating plate groove (9) has locating plate (12), the cover has spring (13) on pull rod (11) between locating plate (12) to pull rod groove (10), one side that locating plate (12) correspond constant head tank (8) is fixed with locating lever (14).

5. The composite eccentric block for the vibrating screen as claimed in claim 4, wherein: the distance between the positioning rods (14) is equal to that of the positioning grooves (8), and the outer diameter of each positioning rod (14) is identical to the inner diameter of each positioning groove (8).