CN211275429U - Vibrating screen with high screening efficiency - Google Patents

Abstract

The utility model discloses a vibrating screen with high screening efficiency, which comprises a box body. An outer wall of one side of the box body is provided with rectangular grooves distributed in an upper and lower structure, and a support frame is welded at the center of the box body near the outer wall of the rectangular groove. The bottom of the support frame is welded with a base, and a motor is fixed on the top outer wall of the base away from the support frame by bolts. The shaft rod is rotatably connected with the support frame through the bearing, and the two ends of the shaft rod are keyed with cams. The utility model thus greatly improves the screening efficiency of materials, makes the whole machine of the vibrating screen have a good stress state and high structural strength, can greatly save energy consumption, and makes the screening of materials more efficient, thereby greatly improving The screening efficiency of the screening bucket is improved, the screening accuracy is improved, manpower is saved, and labor is reduced.

Description

A vibrating screen with high screening efficiency

technical field

The utility model relates to the technical field of vibrating screens, in particular to a vibrating screen with high screening efficiency.

Background technique

Vibrating screen is a kind of high-efficiency screening equipment, which is widely used in mining, metallurgy, water conservancy and electric power, construction and other fields; vibrating screen is generally composed of screen body, exciter and motor. The motor drives the main shaft of the exciter to rotate. Under the action of the centrifugal inertial force generated by the unbalanced weight on the screen, the screen body is driven to vibrate; when the vibrating screen works, the broken and scattered materials with different particle sizes pass through the single-layer or multi-layer screen surface with uniform holes for many times. , the process of dividing into several different levels is called sieving; the particles larger than the sieve hole stay on the sieve surface, which is called the oversize of the sieve surface, and the particles smaller than the sieve hole pass through the sieve hole, which is called the sieve under the sieve surface. thing.

In the prior art, the transmission force of the vibrating screen is not good, failures often occur, and the vibration effect is poor, thereby reducing the working efficiency of the vibrating screen. Therefore, it is urgent to design a vibrating screen with high screening efficiency to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of this utility model is to solve the problems in the prior art that the vibrating screen has poor transmission force, frequent failures, and poor vibration effect, thereby reducing the working efficiency of the vibrating screen. The disadvantage of energy waste, and a vibrating screen with high screening efficiency is proposed.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a vibrating screen with high screening efficiency, comprising a box body, one side outer wall of the box body is provided with rectangular grooves distributed in an upper and lower structure, and the box body is close to the rectangular A support frame is welded at the center of the outer wall of the groove, a base is welded at the bottom of the support frame, and a motor is fixed and installed on the top outer wall of the base away from the support frame by bolts, and the output end of the motor is keyed with a driving wheel, and supports The inner wall of the frame close to the rectangular slot is provided with shaft rods distributed in an upper and lower structure, the shaft rod is rotatably connected between the bearing and the support frame, and the two ends of the shaft rod are keyed with cams, and the cams are far away from the shaft. A connecting rod is arranged on the outer wall of one side.

The key idea of the above technical solution is: when the motor is working, the driving wheel drives the driven wheel to rotate through the first synchronous belt, so as to realize the synchronous rotation between the shafts, and the shaft drives the connecting rod to do circular motion through the cam, which is well realized. The vibrating screen of the primary screen and the fine screen is adopted, which greatly improves the screening efficiency of materials, and makes the whole machine of the vibrating screen have a good stress state and high structural strength, which can greatly save energy consumption.

Further, the outer wall of the shaft located inside the support frame is keyed with three driven wheels distributed in an L-shaped structure, and a second timing belt is sleeved on the outer walls of the three driven wheels that are perpendicular to each other, and the three A first synchronous belt is sleeved on the outer wall of the driven wheel close to the driving wheel and the outer wall of the driving wheel.

Further, a feeding hopper is welded at the axial center of the outer wall of the top of the box body, and the outer wall of the front of the box body is provided with a discharge port distributed in an upper and lower structure, and a guide is welded on the outer wall of the box body close to the discharge port. flow plate, and the inside of the discharge port is respectively provided with a primary screen and a fine screen.

Further, the primary screen and the fine screen include a screen bucket, the bottom of the outer walls on both sides of the screen bucket is welded with lugs, and the top of the ear plate on one side of the screen bucket is welded with a connecting block, and the connecting block passes through the shaft. The sleeve and the connecting rod are movably connected, and both sides of the sieve bucket close to the bottom outer wall of the connecting block are welded with damping components. Fixed connection.

Further, the vibration damping assembly includes a sliding cylinder, the interior of the sliding cylinder is provided with a first spring, and both ends of the first spring are fitted with a top post, and the top post is movably connected to the slide through the first spring. The inside of the cylinder and the inside of the top post are sleeved with a second spring.

The beneficial effects of the present utility model are:

1. When the motor of the present utility model is working, the driving wheel drives the driven wheel to rotate through the first synchronous belt, thereby realizing the synchronous rotation between the shafts, and the shafts drive the connecting rods to do circular motion through the cam, which well realizes the initial The vibrating screen of the screen and the fine screen greatly improves the screening efficiency of the material, so that the whole machine of the vibrating screen has a good stress state and high structural strength, which can greatly save energy consumption.

2. Through the set slideway, the connecting rod drives the screen bucket to reciprocate along the slideway through the connecting block, which can effectively improve the vibration efficiency of the screen bucket, make the screening of materials more efficient, improve the accuracy of screening, and save money. manpower, lightening the labor force.

3. Through the set vibration damping components, when the sliding cylinder reciprocates along the inside of the slideway through the action of the connecting rod, the top column is supported on the inner walls on both sides of the box body, and the top column is acted by the first spring and the second spring. , which can improve the vibration effect of the screen bucket, thereby greatly improving the screening efficiency of the screen bucket, with simple structure, convenient operation and strong practicability.

Description of drawings

Fig. 1 is the structural representation of a kind of vibrating screen with high screening efficiency proposed by the utility model;

Fig. 2 is the sieve bucket structure schematic diagram of a kind of vibrating screen with high screening efficiency proposed by the utility model;

FIG. 3 is a schematic structural diagram of a vibration damping assembly of a vibrating screen with high screening efficiency proposed by the utility model.

In the picture: 1 box, 2 feed hopper, 3 discharge port, 4 deflector, 5 primary screen, 6 fine screen, 7 rectangular groove, 8 support frame, 9 shaft rod, 10 cam, 11 connecting rod , 12 bases, 13 motors, 14 driving wheels, 15 first timing belts, 16 driven wheels, 17 second timing belts, 18 screen buckets, 19 connecting blocks, 20 lugs, 21 damping components, 22 slideways, 23 slides Cylinder, 24 first spring, 25 top post, 26 second spring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Fig. 1 to Fig. 3 at the same time, a vibrating screen with high screening efficiency includes a box body 1. One side outer wall of the box body 1 is provided with a rectangular groove 7 distributed in an upper and lower structure, and the box body 1 is close to the rectangular groove. 7. A support frame 8 is welded at the center of the outer wall, a base 12 is welded at the bottom of the support frame 8, and a motor 13 is fixedly installed on the top outer wall of the base 12 away from the support frame 8 by bolts, and the output end of the motor 13 is connected with a driving wheel. 14, and the inner wall of the support frame 8 close to the rectangular groove 7 is provided with a shaft rod 9 distributed in an upper and lower structure, the shaft rod 9 is rotatably connected with the support frame 8 through the bearing, and the two ends of the shaft rod 9 are keyed with cams. 10. A connecting rod 11 is provided on the outer wall of the cam 10 away from the shaft 9. When the motor 13 is working, the driving wheel 14 drives the driven wheel 16 to rotate through the first synchronous belt 15, so as to realize the second synchronization between the shafts 9. The belt 17 rotates synchronously, and the shaft 9 drives the connecting rod 11 to make a circular motion through the cam 10. The connecting rod 11 drives the screen bucket 18 to reciprocate along the slideway 22 through the connecting block 19, which well realizes the primary screen 5 and the fine screen. The vibrating screen of the screen 6 greatly improves the screening efficiency of materials, so that the whole machine of the vibrating screen has a good stress state and high structural strength, which can greatly save energy consumption.

As can be seen from the above description, the present invention has the following beneficial effects: when the motor 13 is working, the driving wheel 14 drives the driven wheel 16 to rotate through the first synchronous belt 15, so as to realize the synchronous rotation between the shafts 9 through the second synchronous belt 17, The shaft 9 drives the connecting rod 11 to make a circular motion through the cam 10, which well realizes the vibrating screening of the primary screen 5 and the fine screen 6, thereby improving the screening efficiency of materials and making the vibrating screen more efficient. The whole machine has a good stress state and high structural strength, which can greatly save energy consumption.

Further, the outer wall of the shaft 9 located inside the support frame 8 is keyed with three driven wheels 16 distributed in an L-shaped structure, and a second synchronous belt 17 is sleeved on the outer walls of the three driven wheels 16 that are perpendicular to each other. , one of the three driven wheels 16 is close to the driving wheel 14 and the outer wall of the driving wheel 14 is sleeved with a first synchronous belt 15. When the driving wheel 14 synchronizes the first synchronous belt 15 to drive one of the driven wheels 16 to rotate, the shaft 9 The rotation is well realized, the single-head transmission of the vibrating screen is well realized, and the energy consumption caused by using too many vibration motors is avoided.

Further, a feeding hopper 2 is welded at the axis of the outer wall of the top of the box body 1, and a discharge port 3 distributed in an upper and lower structure is opened on the outer wall of the front side of the box body 1, and the outer wall of the box body 1 close to the discharge port 3 is welded. There is a deflector 4, and a primary screen 5 and a fine screen 6 are respectively arranged inside the discharge port 3. The primary screen 5 and the fine screen 6 can screen the materials more accurately, thereby improving the screening of materials. After the quality, enhance the market competitiveness of materials.

Further, the primary screen 5 and the fine screen 6 include a screen bucket 18, the bottom of the outer wall of the screen bucket 18 is welded with lugs 20, and the top of the ear plate 20 on one side of the screen bucket 18 is welded with a connecting block 19, and the connecting block 19 is movably connected with the connecting rod 11 through the shaft sleeve, and the vibration damping components 21 are welded on both sides of the screen bucket 18 close to the bottom outer wall of the connecting block 19. There is a fixed connection between the channel 22 and the box 1. The connecting rod 11 drives the screen bucket 18 to reciprocate along the slideway 22 through the connecting block 19, which can effectively improve the vibration efficiency of the screen bucket 18, make the material screening more efficient, and improve the The accuracy of screening is improved, manpower is saved, and labor is reduced.

Further, the damping assembly 21 includes a sliding cylinder 23 , a first spring 24 is arranged inside the sliding cylinder 23 , and both ends of the first spring 24 are fitted with a top post 25 , and the top post 25 is movably connected by the first spring 24 . The second spring 26 is sleeved on the inside of the sliding cylinder 23 and the top column 25. The vibration damping assembly 21 is provided. It is held on the inner walls on both sides of the box body 1, and the top column 25 is well-achieved by the action of the first spring 24 and the second spring 26 to realize the vibrating screening of the primary screen 5 and the fine screen 6, which is beneficial to The screening of materials is more precise.

The above-mentioned connecting rod 11 is used to drive the screen bucket 18 to reciprocate along the slideway 22 through the connecting block 19. When the sliding cylinder 23 reciprocates along the slideway 22 through the action of the connecting rod 11, the top column 25 is supported on both sides of the box body 1. On the inner wall, and the top column 25, through the action of the first spring 24 and the second spring 26, well realizes the vibrating screening of the primary screen 5 and the fine screen 6, which is beneficial to the screening of materials more accurately and saves money. The manpower is reduced, the labor force is reduced, the structure is simple, the operation is convenient, and the practicability is strong.

List several preferred embodiments or application examples below, to help those skilled in the art to better understand the technical content of the present utility model and the technical contribution made by the present utility model relative to the prior art:

Example 1

A vibrating screen with high screening efficiency includes a box body 1, one side outer wall of the box body 1 is provided with a rectangular groove 7 distributed in an upper and lower structure, and a support frame is welded at the center of the box body 1 near the outer wall of the rectangular groove 7. 8. The bottom of the support frame 8 is welded with a base 12, and a motor 13 is fixedly installed on the top outer wall of the base 12 away from the support frame 8 by bolts. The inner wall of 7 is provided with a shaft rod 9 distributed in an upper and lower structure. The shaft rod 9 is rotatably connected with the support frame 8 through a bearing, and the two ends of the shaft rod 9 are keyed with a cam 10, and the cam 10 is away from the shaft 9. A connecting rod 11 is arranged on the outer wall of one side. When the motor 13 is working, the driving wheel 14 drives the driven wheel 16 to rotate through the first synchronous belt 15, so as to realize the synchronous rotation between the shaft rods 9 through the second synchronous belt 17, and the shaft rod 9. The cam 10 drives the connecting rod 11 to make a circular motion, and the connecting rod 11 drives the screen bucket 18 to reciprocate along the slideway 22 through the connecting block 19, which well realizes the vibration screening of the primary screen 5 and the fine screen 6, thereby The screening efficiency of materials is greatly improved, so that the whole machine of the vibrating screen has a good stress state and high structural strength, which can greatly save energy consumption.

Wherein, the outer wall of the shaft 9 located inside the support frame 8 is keyed with three driven wheels 16 distributed in an L-shaped structure, and the two outer walls of the three driven wheels 16 are perpendicular to each other and sleeved with a second timing belt 17, One of the three driven wheels 16 close to the driving wheel 14 is sleeved with a first timing belt 15 on the outer wall of the driving wheel 14. When the driving wheel 14 synchronizes the first timing belt 15 to drive one of the driven wheels 16 to rotate, the shaft rod 9 is very easy to rotate. The rotation is well realized, the single-head transmission of the vibrating screen is well realized, and the energy consumption caused by the use of too many vibration motors is avoided. The outer wall of the front of the body 1 is provided with a discharge port 3 which is distributed in an upper and lower structure. The fine screen 6, the primary screen 5 and the fine screen 6 can screen the materials more accurately, thereby improving the quality of the materials after screening and improving the market competitiveness of the materials; the primary screen 5 and the fine screen 6 include: The screen bucket 18, the bottom of the outer wall of the screen bucket 18 is welded with lugs 20, and the top of the ear plate 20 on one side of the screen bucket 18 is welded with a connecting block 19, and the connecting block 19 is movably connected between the shaft sleeve and the connecting rod 11 , and both sides of the screen bucket 18 close to the bottom outer wall of the connecting block 19 are welded with a damping assembly 21, the outer part of the damping assembly 21 is sleeved with a slideway 22, and the slideway 22 and the box 1 are fixedly connected. The connecting rod 11 drives the screen bucket 18 to reciprocate along the slideway 22 through the connecting block 19, which can effectively improve the vibration efficiency of the screen bucket 18, make the screening of materials more efficient, improve the accuracy of screening, save manpower, and reduce labor costs. Labor force; the vibration damping assembly 21 includes a sliding cylinder 23, the interior of the sliding cylinder 23 is provided with a first spring 24, and both ends of the first spring 24 are fitted with a top post 25, and the top post 25 is movably connected to the top post 25 through the first spring 24. The inside of the slide cylinder 23 and the inside of the top column 25 are sleeved with a second spring 26. The damping assembly 21 is arranged so that when the slide cylinder 23 reciprocates along the inside of the slideway 22 through the action of the connecting rod 11, the top column 25 is pushed back and forth. It is held on the inner walls of the two sides of the box body 1, and the top column 25, through the action of the first spring 24 and the second spring 26, well realizes the vibrating screening of the primary screen 5 and the fine screen 6, which is beneficial to the material. The sieving is more precise.

Working principle: When the vibrating screen with high screening efficiency is used, the operator first adds the material to be screened to the inside of the box 1 through the feeding hopper 2. When the motor 13 is working, the driving wheel 14 passes through the first synchronous belt. 15 drives the driven wheel 16 to rotate, so as to realize the synchronous rotation between the shafts 9 through the second timing belt 17, and the shaft 9 drives the connecting rod 11 to make a circular motion through the cam 10, and the connecting rod 11 drives the screen bucket 18 through the connecting block 19. Reciprocating along the slideway 22, when the slide cylinder 23 reciprocates along the slideway 22 through the action of the connecting rod 11, the top post 25 is held on the inner walls on both sides of the box body 1, and the top post 25 is supported by the first spring 24 and The action of the second spring 26 well realizes the vibrating screening of the primary screen 5 and the fine screen 6, which is conducive to the more accurate screening of materials, thereby improving the quality of the screened materials, making the screening of the materials more accurate. The sub-efficiency has been greatly improved. The whole machine of the vibrating screen has a good stress state and high structural strength, which can greatly save energy consumption.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (5)

1. A vibrating screen with high screening efficiency, comprising a box body (1), characterized in that a rectangular groove (7) distributed in an upper and lower structure is provided on one side outer wall of the box body (1), and the box body (1). 1) A support frame (8) is welded near the center of the outer wall of the rectangular groove (7), the bottom of the support frame (8) is welded with a base (12), and the base (12) is far away from the top outer wall of the support frame (8). A motor (13) is fixedly installed on the upper part by bolts, the output end of the motor (13) is keyed with a driving wheel (14), and the inner wall of the support frame (8) close to the rectangular slot (7) is provided with upper and lower structure distribution The shaft rod (9) of the shaft rod (9) is rotatably connected with the support frame (8) through the bearing, and the two ends of the shaft rod (9) are keyed with cams (10), and the cams (10) ) A connecting rod (11) is arranged on the outer wall of one side away from the shaft rod (9). 2. A vibrating screen with high screening efficiency according to claim 1, characterized in that, the outer wall of the shaft (9) located inside the support frame (8) is keyed with three L-shaped structure distribution. A second timing belt (17) is sleeved on the outer walls of the three driven pulleys (16) that are perpendicular to each other, and the three driven pulleys (16) are close to one of the driving pulleys (14). A first timing belt (15) is sleeved with the outer wall of the driving wheel (14). 3. A vibrating screen with high screening efficiency according to claim 1, characterized in that a feeding hopper (2) is welded at the axis of the outer wall of the top of the box body (1), and the box body (1) ) The outer wall of the front is provided with a discharge port (3) distributed in an upper and lower structure, the outer wall of the box (1) close to the discharge port (3) is welded with a deflector (4), and the discharge port (3) ) are respectively provided with a primary screen (5) and a fine screen (6). 4. A vibrating screen with high screening efficiency according to claim 3, characterized in that the primary screen (5) and the fine screen (6) comprise a screen bucket (18), and the screen bucket ( 18) A lug plate (20) is welded on the bottom of the outer walls on both sides, and a connecting block (19) is welded on the top of the lug plate (20) on one side of the screen bucket (18), and the connecting block (19) is connected to the connecting block (19) through the shaft sleeve. The rods (11) are movably connected, and both sides of the screen bucket (18) close to the bottom outer wall of the connecting block (19) are welded with a damping assembly (21), and the outside of the damping assembly (21) is sleeved with a damping assembly (21). A slideway (22), and the slideway (22) and the box body (1) are fixedly connected. 5 . The vibrating screen with high screening efficiency according to claim 4 , wherein the vibration damping assembly ( 21 ) comprises a sliding cylinder ( 23 ), and a first sliding cylinder ( 23 ) is provided inside the sliding cylinder ( 23 ). 6 . A spring (24), and both ends of the first spring (24) are fitted with a top post (25), and the top post (25) is movably connected to the interior of the sliding cylinder (23) through the first spring (24) , and a second spring (26) is sleeved on the inside of the top post (25).

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