CN218394579U - Mechanical vibration classifying screen with screen bed lead screw lifting device - Google Patents

Abstract

The utility model discloses a mechanical vibration classifying screen with a screen bed lead screw lifting device, which comprises a base, a classifying screen bed and a screen bed lifting device; a classifying screen bed is movably arranged on the base; the grading sieve bed comprises more than three sieve bed frames stacked up and down; a screen is movably arranged between the adjacent sieve bed frames in a split way; a sieve bed lifting device is arranged above the sieve bed of the classifying sieve. Has the advantages that: compared with the prior art, the sieve bed frame is clamped and fixed up and down through the hasps, and the sieve screen is clamped and fixed by the upper sieve bed frame and the lower sieve bed frame in a split way, so that the sieve screen is convenient to clean, replace and maintain; the number of layers of the sieve bed frame is easily adjusted according to the working condition and the sieve with different meshes is easily replaced; the screen replacing and hoisting device is simple in integral structure, convenient to use and easy to maintain, drives the sieve bed frame to lift up and down, achieves mechanical hoisting of the sieve bed frame, shortens maintenance time of the sieve bed, improves production efficiency, avoids high-altitude operation, and guarantees production safety.

Description

Mechanical vibration classifying screen with screen bed lead screw lifting device

The technical field is as follows:

the utility model relates to a sorting facilities especially relates to a mechanical vibration classifying screen with sieve bed lead screw hoisting device.

The background art comprises the following steps:

the vibrating screen is a vibrating screening mechanical device suitable for any particle, powder and mucus, and is a commonly used screening device in food, medicine, chemical and metallurgical industries in China at present.

A plurality of screens that current shale shaker used fix in a sieve bed frame, need ascend a height the operation when changing, wasing, maintaining the screen cloth, take out screen cloth and screen cloth layering from sieve bed frame is whole, complex operation, waste time and energy, have the potential safety hazard.

The utility model has the following contents:

in order to solve the problem, the utility model aims to provide a make things convenient for mechanical vibration classifying screen that has sieve bed lead screw hoisting device that screen cloth was maintained.

The utility model discloses by following technical scheme implement: the mechanical vibration classifying screen with the screen bed screw lifting device comprises a base, a classifying screen and a screen bed lifting device; the base is movably provided with the classifying screen bed; the grading sieve bed comprises more than three sieve bed frames stacked up and down; a hasp is arranged between the bottommost sieve bed frame and the topmost sieve bed frame side wall; a screen is movably arranged between the adjacent screen bed frames in a split way; a sealing bottom plate is fixedly arranged at the bottom of the sieve bed frame at the bottom; the bottom of the sealing bottom plate is provided with an excitation motor; the sieve bed frame comprises a frame; four lifting lugs which are arranged in a rectangular shape are correspondingly arranged on the outer walls of the left side and the right side of the frame; the sieve bed lifting device is arranged above the sieve bed of the classifying sieve; the sieve bed lifting device comprises a fixed frame fixed with the base; a lifting motor is arranged on the fixed frame; four lead screw hoists are correspondingly arranged on the fixed frame above the lifting lugs up and down; the lifting motor is in transmission connection with an input shaft of the lead screw lifter; a lifting rope is arranged at the bottom end of a lead screw of the lead screw lifter, and a hook is arranged on the lifting rope; the hook is movably hung on the lifting lug in a split manner.

Preferably, a grid frame is fixedly arranged on the inner side of the frame, and the top surface of the grid frame is flush with the top surface of the frame; the bottom of each transverse frame of the grid frame is correspondingly provided with a screen pressing bar parallel to the transverse frame; the bottom surface of the screen pressing strip is flush with the bottom surface of the frame; support columns are uniformly arranged between the screen press strip and the transverse frame corresponding to the upper side of the screen press strip.

Preferably, an elastic ball separation net is fixedly arranged at the bottom of the grid frame below the screen, and the elastic ball separation net, the frame and the grid frame form an elastic ball bin; and a rubber elastic ball is arranged in the elastic ball bin.

The utility model has the advantages that: compared with the prior art, the sieve bed frame is clamped and fixed up and down through the hasps, and the sieve is clamped and fixed by the upper sieve bed frame and the lower sieve bed frame in a split manner, so that the sieve is convenient to clean, replace and maintain; the number of layers of the sieve bed frame is easily adjusted according to the working condition and the sieve with different meshes is easily replaced; the screen replacing and hoisting device is simple in integral structure, convenient to use and easy to maintain, drives the sieve bed frame to ascend and descend vertically, achieves mechanical hoisting of the sieve bed frame, shortens maintenance time of the sieve bed, improves production efficiency, avoids high-altitude operation, and guarantees production safety.

Description of the drawings:

fig. 1 is an overall schematic view of embodiment 1.

Fig. 2 is an overall schematic view of a classifying screen bed.

Fig. 3 is a schematic view of the assembly of the sieve bed of the sizing screen.

Fig. 4 is an overall schematic view of the top sieve bed frame.

Fig. 5 is an overall schematic view of a sieve bed frame provided with elastic ball separation nets.

FIG. 6 is a schematic diagram of example 1.

The specific implementation mode is as follows:

example 1: as shown in fig. 1 to 5, the mechanical vibration classifying screen with a screen bed screw lifting device comprises a base 1, a classifying screen 2 and a screen bed lifting device 3; a classifying screen bed 2 is movably arranged on the base 1; the grading sieve bed 2 comprises more than three sieve bed frames 21 stacked up and down; a hasp 22 is arranged between the sieve bed frame 21 at the bottommost part and the side wall of the sieve bed frame 21 at the topmost part; a screen 23 is movably arranged between the adjacent screen bed frames 21 in a split way; a sealing bottom plate 24 is fixedly arranged at the bottom of the sieve bed frame 21 at the bottom; the bottom of the sealing bottom plate 24 is provided with an excitation motor (not shown in the figure); the sieve frame 21 includes a frame 211; four lifting lugs 25 which are arranged in a rectangular shape are correspondingly arranged on the outer walls of the left side and the right side of the frame 211; a grille framework 26 is fixedly arranged on the inner side of the border 211, and the top surface of the grille framework 26 is flush with the top surface of the border 211; a screen pressing bar 27 parallel to the transverse frames 261 is correspondingly arranged at the bottom of each transverse frame 261 of the grid frame 26; the bottom surface of the screen pressing strip 27 is flush with the bottom surface of the frame 211; supporting columns 28 are uniformly arranged between the screen pressing strip 27 and the corresponding transverse frame 261 above; an elastic ball separation net 29 is fixedly arranged at the bottom of the grid frame 26 below the screen 23, and the elastic ball separation net 29, the frame 211 and the grid frame 26 form an elastic ball bin; a rubber elastic ball is arranged in the elastic ball bin; the screen frame 21 is clamped and fixed up and down through the hasps 22, and the screen 23 is clamped and fixed by the upper and lower screen frames 21 in a split way, so that the screen is convenient to clean, replace and maintain; the number of layers of the sieve bed frame 21 can be adjusted easily according to the working condition and the sieve 23 with different meshes can be replaced; a sieve bed lifting device 3 is arranged above the classifying sieve bed 2; the sieve bed lifting device 3 comprises a fixed frame 31 fixed with the base 1; a lifting motor 32 is arranged on the fixed frame 31; four screw rod hoists 33 are correspondingly arranged on the fixed frame 31 above the lifting lugs 25 up and down; the lifting motor 32 is in transmission connection with an input shaft of the lead screw lifting machine 33; a lifting rope 35 is arranged at the bottom end of a lead screw 34 of the lead screw elevator 33, and a hook 36 is arranged on the lifting rope 35; the hook 36 is detachably and movably hung on the lifting lug 25.

When the sieve bed lifting device 3 is used, the hasp 22 is opened; firstly, a screw 34 of a screw elevator 33 is driven by an elevator motor 32 to descend, and a hook 36 is hung on corresponding lifting lugs 25 at two sides of a sieve frame 21 above a sieve 23 to be replaced or cleaned and maintained; as shown in fig. 6, the lifting motor 32 drives the screw 34 of the screw elevator 33 to lift, so as to lift the sieve bed frame 21 above the sieve 23 to be replaced or cleaned; the screen 23 clamped and fixed between the upper and lower screen bed frames 21 is exposed, taken down for replacement or cleaning maintenance; the sieve bed lifting device 3 is simple in overall structure, convenient to use and easy to maintain, the screw rod lifting machine 33 drives the sieve bed frame 21 to lift up and down, the sieve bed frame 21 is lifted and placed mechanically, the maintenance time of the classifying sieve bed 2 is shortened, the production efficiency is improved, the high-altitude operation is avoided, and the production safety is guaranteed.

Claims (3)

1. The mechanical vibration classifying screen with the screen bed screw rod lifting device is characterized by comprising a base, a classifying screen bed and a screen bed lifting device; the base is movably provided with the classifying screen bed; the grading sieve bed comprises more than three sieve bed frames stacked up and down; a hasp is arranged between the bottommost sieve bed frame and the topmost sieve bed frame side wall; a screen is movably arranged between the adjacent screen bed frames in a split manner; a sealing bottom plate is fixedly arranged at the bottom of the sieve bed frame at the bottom; the bottom of the sealing bottom plate is provided with an excitation motor; the sieve bed frame comprises a frame; four lifting lugs which are arranged in a rectangular shape are correspondingly arranged on the outer walls of the left side and the right side of the frame; the sieve bed lifting device is arranged above the sieve bed of the classifying sieve; the sieve bed lifting device comprises a fixed frame fixed with the base; a lifting motor is arranged on the fixed frame; four screw rod hoists are correspondingly arranged on the fixed frame above the lifting lugs up and down; the lifting motor is in transmission connection with an input shaft of the lead screw lifter; a lifting rope is arranged at the bottom end of a lead screw of the lead screw lifter, and a hook is arranged on the lifting rope; the hook is movably hung on the lifting lug in a split manner.

2. The mechanical vibratory classifying screen with the screen bed screw lifting device according to claim 1, wherein a grid frame is fixedly arranged inside the frame, and the top surface of the grid frame is flush with the top surface of the frame; the bottom of each transverse frame of the grid frame is correspondingly provided with a screen pressing bar parallel to the transverse frame; the bottom surface of the screen press bar is flush with the bottom surface of the frame; support columns are uniformly arranged between the screen pressing bar and the transverse frame corresponding to the upper side of the screen pressing bar.

3. The mechanical vibration classifying screen with the screen bed screw lifting device according to claim 2, wherein an elastic ball separation net is fixedly arranged at the bottom of the grid frame below the screen mesh, and the elastic ball separation net, the frame and the grid frame form an elastic ball bin; and a rubber elastic ball is arranged in the elastic ball bin.

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