CN219785545U - Vibrating screen capable of adjusting vibration amplitude - Google Patents

Abstract

The utility model discloses a vibrating screen capable of adjusting vibration amplitude, and belongs to the technical field of vibrating screens. The utility model relates to a vibrating screen capable of adjusting vibration amplitude, which comprises a baffle, a first screen, a second screen, a vibrating motor, a cleaning plate and a bottom frame, wherein the first screen and the second screen are arranged in the baffle, the first screen and the second screen are fixedly connected with the baffle, and the vibrating motor is positioned at the top end of the baffle. The utility model solves the problems that the vibration amplitude can not be adjusted and the applicability is lower in the conventional vibrating screen when the screening is carried out, when the vibration amplitude needs to be adjusted, all the cylinders can be synchronously started, when the cylinders are lifted downwards, the elasticity of the buffer spring is in a relatively loose state, so that the vibration amplitude is larger and the vibration frequency is lower, when the cylinders are lifted upwards and stretched, the buffer spring is in a tight state, the vibration amplitude is smaller and the vibration frequency is higher, and therefore the effect of adjusting the vibration amplitude is achieved.

Description

Vibrating screen capable of adjusting vibration amplitude

Technical Field

The utility model relates to the technical field of vibrating screens, in particular to a vibrating screen with adjustable vibration amplitude.

Background

The vibrating screen works by utilizing reciprocating rotary vibration generated by vibrator excitation, and the broken material groups with different particle sizes are separated into a plurality of different grades by passing through single-layer or multi-layer screen surfaces with uniformly distributed holes for multiple times.

The following problems often occur during operation of the vibrating screen:

1. the common vibrating screen has the advantages that when raw materials are screened, the vibration amplitude cannot be adjusted, the applicability is low, and when vibration screening with different amplitudes is needed, a plurality of vibrating screens with different amplitudes are needed to be prepared, so that the production cost is increased;

2. after screening, some small particles often remain in the sieve holes of a common vibrating screen, and if the sieve holes are not cleaned timely, the sieve holes are blocked, so that the normal screening function of the screen is affected.

Disclosure of Invention

The utility model aims to provide a vibrating screen with adjustable vibration amplitude, which is practical, simple and has the functions of adjusting the vibration amplitude and cleaning screen holes so as to solve the problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vibrating screen of adjustable vibrations range, includes baffle, first screen cloth, second screen cloth, vibrating motor, clean board and chassis, the inside first screen cloth and the second screen cloth that are provided with of baffle, first screen cloth and second screen cloth and baffle fixed connection, vibrating motor is located the top of baffle, second screen cloth below is provided with clean board, clean board lower extreme is provided with the chassis, the top fixedly connected with drive plate of baffle, vibrating motor output and drive plate are laminating swing joint.

Preferably, the baffle both sides are provided with the connecting block, connecting block and baffle fixed connection, the connecting block lower extreme is provided with buffer spring, the buffer spring lower extreme is provided with the spring base, the spring base lower extreme is provided with the cylinder, cylinder output and spring base fixed connection.

Preferably, a bottom pad is arranged at the lower end of the underframe, the bottom pad is fixedly connected with the underframe, and the bottom pad is made of rubber materials.

Preferably, the upper end of the cleaning plate is provided with a cleaning spring, the upper end of the cleaning spring is fixedly connected with the second screen, the upper surface of the cleaning plate is provided with a cleaning column, and the cleaning column is fixedly connected with the cleaning plate.

Compared with the prior art, the utility model has the following beneficial effects:

(1) According to the vibrating screen with adjustable vibration amplitude, when the vibration amplitude is required to be adjusted, all the cylinders can be synchronously started by arranging the cylinders, when the cylinders are lifted downwards, the elastic force of the buffer spring is in a relatively loose state, so that the vibration amplitude is relatively large, the vibration frequency is relatively low, when the cylinders are lifted upwards and contracted, the buffer spring is in a tight state, the vibration amplitude is relatively small, the vibration frequency is relatively high, the transmission plate is always attached to the output end of the vibrating motor, and no matter whether the cylinders are in maximum or minimum expansion or contraction, the effect of adjusting the vibration amplitude is achieved, and the whole function is more applicable.

(2) When the vibrating screen with adjustable vibration amplitude is used, the cleaning columns are arranged, and the positions of the cleaning columns and the screen holes of the second screen mesh correspond to each other, in the vibration process, the cleaning plates and the second screen mesh can move up and down relatively, so that the cleaning columns penetrate through the screen holes of the second screen mesh to push out blocked materials in the screen holes of the second screen mesh, the function of cleaning the screen mesh is achieved, the working efficiency of the vibrating screen is improved, a downward force can be applied to the cleaning plates through the arrangement of the cleaning springs, the cleaning columns are prevented from being too close to the second screen mesh, the screen holes of the second screen mesh are blocked, and the normal screening function of the screen mesh is ensured.

Drawings

FIG. 1 is a perspective view of the whole of the present utility model;

FIG. 2 is a perspective view of the present utility model from another angle in its entirety;

FIG. 3 is a perspective view of the overall rearward view angle of the present utility model;

fig. 4 is a schematic view of a cleaning plate of the present utility model.

In the figure: 1. a baffle; 2. a first screen; 2. a second screen; 3. a vibration motor; 4. a connecting block; 5. a buffer spring; 6. a spring base; 7. a cylinder; 8. a chassis; 9. a bottom pad; 10. cleaning a spring; 11. a cleaning plate; 12. cleaning the column; 13. and a transmission plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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. 1-4, a vibrating screen with adjustable vibration amplitude comprises a baffle 1, a first screen 2, a second screen 21, a vibrating motor 3, a cleaning plate 11 and a bottom frame 8, wherein the first screen 2 and the second screen 21 are arranged inside the baffle 1, the first screen 2 and the second screen 21 are fixedly connected with the baffle 1, the vibrating motor 3 is positioned at the top end of the baffle 1, the cleaning plate 11 is arranged below the second screen 21, the bottom frame 8 is arranged at the lower end of the cleaning plate 11, the driving plate 13 is fixedly connected at the top end of the baffle 1, and the output end of the vibrating motor 3 is in fit and movable connection with the driving plate 13.

Further, baffle 1 both sides are provided with connecting block 3, connecting block 3 and baffle 1 fixed connection, the connecting block 3 lower extreme is provided with buffer spring 4, buffer spring 4 lower extreme is provided with spring base 9, the spring base 9 lower extreme is provided with cylinder 5, cylinder 5 output and spring base 9 fixed connection, through setting up cylinder 7, when cylinder 7 goes down, buffer spring 5's elasticity is in comparatively lax state, thereby vibration amplitude is great, and vibration frequency is lower, when cylinder 7 goes up and down to stretch out and draw back, buffer spring 5 is in the state of tightening, vibration amplitude is less, and vibration frequency is higher.

Further, the bottom pad 8 is arranged at the lower end of the bottom frame 6, the bottom pad 8 is fixedly connected with the bottom frame 6, the bottom pad 8 is made of rubber materials, the whole can be buffered by arranging the bottom pad 8, the contact area with the ground is increased, the whole is more stable, and the applicability is improved.

Further, cleaning spring 10 is provided with to cleaning plate 7 upper end, cleaning spring 10 upper end and second screen cloth 21 fixed connection, cleaning plate 7 upper surface is provided with clean post 11, clean post 11 and cleaning plate 7 fixed connection, through setting up clean post 11, and clean post 11 corresponds each other with the sieve mesh position of second screen cloth 21, at the vibrations in-process, relative reciprocates can take place for cleaning plate 7 and second screen cloth 21, make clean post 11 pass in the sieve mesh of second screen cloth 21, release the blocked material in the sieve mesh of second screen cloth 21, thereby reach the function of clearance screen cloth, through setting up cleaning spring 10, can apply a decurrent power to cleaning plate 7, avoid clean post 11 too to be close to second screen cloth 21, the sieve mesh of second screen cloth 21 is plugged up, the normal screening function of screen cloth has been guaranteed.

Working principle: when the vibrating screen with adjustable vibration amplitude is used, through arranging the air cylinders 5 and arranging two air cylinders in a group on two sides of the baffle plate 1, when the vibration amplitude needs to be adjusted, the vibrating screen can be realized by synchronously starting the air cylinders 7, when the air cylinders 7 are lifted downwards, the elastic force of the buffer springs 5 is in a relatively loose state, so that the vibration amplitude is larger, the vibration frequency is lower, when the air cylinders 7 are lifted upwards and contracted, the buffer springs 5 are in a tight state, the vibration amplitude is smaller, the vibration frequency is higher, wherein the transmission plate 13 is always attached to the output end of the vibrating motor 3, no matter whether the air cylinders 7 are in maximized or minimized extension and contraction, the vibrating motor 3 is fixed by an inclined bracket and is arranged at the integral top end of the baffle plate 1, a gap exists between the baffle plate 1 and the bracket of the vibrating motor 3, the bracket can limit the vertical height of the baffle plate 1, because the bracket belongs to the conventional arrangement, in the technical scheme, when the sieving is needed, the vibrating motor 3 is started to be linked with the transmission plate 13, the baffle plate 1 vibrates between the vibrating motor 3 and the underframe 8, the baffle plate 1 is arranged on the supporting structure formed by the spring base 6 and the connecting block 4 matched with the buffer spring 5, the spring base 6 is driven to stretch and support by the air cylinder 7, when the whole baffle plate 1 and the first screen 2 and the second screen 21 vibrate, small particle materials can be filtered through the sieve holes in the inner part, so that the effect of sieving the materials is achieved, the cleaning column 11 is arranged, the positions of the sieve holes of the cleaning column 11 and the second screen 21 correspond to each other, in the vibration process, the cleaning plate 7 and the second screen 21 relatively move up and down, the cleaning column 11 passes through the sieve holes of the second screen 21, and the blocked materials in the sieve holes of the second screen 21 are pushed out, thereby reach the function of clearance screen cloth, through setting up clean spring 10, can apply a decurrent power to clean board 7, avoid clean post 11 too to be close to second screen cloth 21, plug up the sieve mesh of second screen cloth 21, guaranteed the normal screening function of screen cloth.

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.

Claims (4)

1. The utility model provides an adjustable vibration amplitude's shale shaker, includes baffle (1), first screen cloth (2), second screen cloth (21), vibrating motor (3), cleaning plate (11) and chassis (8), its characterized in that: the novel vibrating screen comprises a baffle plate (1), and is characterized in that a first screen (2) and a second screen (21) are arranged inside the baffle plate (1), the first screen (2) and the second screen (21) are fixedly connected with the baffle plate (1), a vibrating motor (3) is located at the top end of the baffle plate (1), a cleaning plate (11) is arranged below the second screen (21), an underframe (8) is arranged at the lower end of the cleaning plate (11), a transmission plate (13) is fixedly connected to the top end of the baffle plate (1), and the output end of the vibrating motor (3) is movably connected with the transmission plate (13) in a fitting mode.

2. A vibrating screen with adjustable vibration amplitude as claimed in claim 1, wherein: the baffle (1) both sides are provided with connecting block (4), connecting block (4) and baffle (1) fixed connection, connecting block (4) lower extreme is provided with buffer spring (5), buffer spring (5) lower extreme is provided with spring base (6), spring base (6) lower extreme is provided with cylinder (7), cylinder (7) output and spring base (6) fixed connection.

3. A vibrating screen with adjustable vibration amplitude as claimed in claim 1, wherein: the bottom pad (9) is arranged at the lower end of the bottom frame (8), the bottom pad (9) is fixedly connected with the bottom frame (8), and the bottom pad (9) is made of rubber materials.

4. A vibrating screen with adjustable vibration amplitude as claimed in claim 1, wherein: the cleaning device is characterized in that a cleaning spring (10) is arranged at the upper end of the cleaning plate (11), the upper end of the cleaning spring (10) is fixedly connected with a second screen (21), a cleaning column (12) is arranged on the upper surface of the cleaning plate (11), and the cleaning column (12) is fixedly connected with the cleaning plate (11).