CN220425854U - Environment-friendly static screening device - Google Patents

Abstract

The utility model discloses an environment-friendly static screening device, and relates to the technical field of material screening. The utility model comprises a screen frame, an angle fine adjustment assembly, screen bars and adjusting plates which are obliquely arranged, wherein two cross beams which are symmetrically distributed are fixed on the inner wall of the screen frame, the screen bars which are equally distributed are also arranged in the screen frame, the bottoms of all the screen bars are fixed with U-shaped frames, and the adjusting plates which are equally distributed are inserted into the cavities in all the U-shaped frames; the two ends of every side of reel all are provided with angle fine setting subassembly, and two angle fine setting subassembly bottoms that the position is lower and be close to the discharge end are connected with short landing leg, and two angle fine setting subassembly bottoms that the position is higher are connected with long landing leg. According to the utility model, the screen frame, the screen bars, the adjusting plate and the angle fine adjustment assembly are arranged, so that the problems of high energy consumption, high noise, easy breakage of the screen beam, vibration cracking of the screen body and high maintenance cost of the traditional vibrating screen are solved; and the cost of equipment required during fine adjustment of the angle of the vibrating screen is high.

Description

Environment-friendly static screening device

Technical Field

The utility model belongs to the technical field of material screening, and particularly relates to an environment-friendly static screening device.

Background

The multilayer linear vibrating screen is a screen mesh which uses the principle of vibration excitation of a vibrating motor to enable materials to be thrown up on a screen surface and simultaneously makes linear motion forwards to reasonably match, so that the screening purpose is achieved. However, the conventional vibrating screen in the market still has the following drawbacks in actual use:

traditional shale shaker utilizes the screening classification of material of vibration completion of screen (ing) machine itself under the vibrations of outside vibrating motor, and the main problem that this kind of structure exists is: 1. the environment-friendly performance is poor, and when the screen box is in operation, dust overflows from the joint of the material inlet and the material outlet and peripheral equipment to cause environmental pollution; 2. the vibration quality is heavy, a high-power motor is required to drive the vibration exciter, so that the energy consumption is high, the screen box, the screen plate and parts thereof are easy to damage, and 3, the motor and the vibration exciter are required to be lubricated or replaced by oiling at regular intervals, so that the maintenance cost is high;

second, conventional linear shakers often cannot adjust the tilt angle, and even if fine adjustment can be achieved, they are laborious adjustments or require increased costs in equipment and the like.

Disclosure of Invention

The utility model aims to provide an environment-friendly static screening device, which solves the problems of high energy consumption, high noise, easy vibration breaking of a screen beam, vibration cracking of a screen body and high maintenance cost of a traditional vibrating screen by arranging a screen frame, a screen bar, an adjusting plate and an angle fine adjustment assembly; and the cost of equipment required during fine adjustment of the angle of the vibrating screen is high.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an environment-friendly static screening device which comprises a screen frame, an angle fine adjustment assembly, screen bars and an adjusting plate, wherein the screen frame, the angle fine adjustment assembly, the screen bars and the adjusting plate are obliquely arranged;

the screen frame is matched with the cross beam in the screen frame to strengthen the structure and assist in fixing the screen bars, a large number of screen bars are fixed on the cross beam through the U-shaped frame at the bottom of the screen frame, a large number of adjusting plates are inserted in the U-shaped frame in a matched mode, so that the adjusting plates and the screen bars are crisscrossed to form a large number of screen holes, materials are screened through the screen holes, the section of the screen bars is of a trapezoid structure, the materials slide down from the side face of the screen bars more easily and are screened through the screen holes, the distance between the adjusting plates can be adjusted, and the size of the screen holes can be adjusted, and the screening amount can be controlled according to actual requirements;

the two ends of each side face of the screen frame are respectively provided with an angle fine tuning assembly, the bottoms of the two angle fine tuning assemblies which are lower and close to the discharging end are connected with a short supporting leg, and the bottoms of the two angle fine tuning assemblies which are higher are connected with a long supporting leg; both sides of the screen frame are connected with the short supporting leg and the long supporting leg through the angle fine tuning components, the distance between the angle fine tuning components and the long supporting leg and the distance between the angle fine tuning components and the short supporting leg are controlled, the inclination angle of the whole screen frame can be adjusted, and fine adjustment processing on the angle is realized.

Further, a blanking hopper is fixed at the bottom of the screen frame, a blanking opening is formed in the lower end of the blanking hopper in a penetrating mode, an upper cover is fixed at the top of the screen frame, and a feeding opening is formed in the upper end face of the upper cover in a penetrating mode;

the whole screen frame is arranged in a large inclination angle in an inclined way, materials to be screened are input through a feed inlet on the upper cover, the materials are screened through a screen mesh-shaped structure formed by screen bars and regulating plates in the screen frame, after passing through screen holes formed by the regulating plates and the screen bars, the materials are discharged through a discharging hopper and discharged from the discharging inlet, vibration of a vibration motor is not needed in the whole process, and screening and grading are carried out by depending on different gravities of large particles and small particles of the materials; because of the static structure, the external power device of the traditional vibrating screen is eliminated, so that the energy consumption is reduced, the damage of vibration to screening equipment is reduced, the service life of the equipment is prolonged, and the production and maintenance cost is reduced; the whole equipment does not vibrate, static sealing with peripheral equipment can be realized, and the sealing effect is better; reducing the pollution to the environment.

Further, one lower end of the screen frame is fixedly penetrated with a slag discharging port, and the slag discharging port is positioned above the discharging port; the materials which cannot pass through the sieve holes are discharged from the slag discharging port under the action of gravity.

Further, the angle fine adjustment assembly comprises a rotating shaft fixed on the side face of the screen frame, and a bearing seat is connected to the outer turnover of the rotating shaft in a rotating mode.

Further, the upper ends of the short supporting leg and the long supporting leg are both fixed with a base plate, a long neck bolt is screwed in the base plate from bottom to top, the peripheral surface of the upper part of the long neck bolt is smooth, and the smooth part rotates in the bearing seat;

when the inclination angle of the screen frame is changed, namely, the height of the positions of two ends of the screen frame is changed, in the process, the bearing seat is always horizontal, if the long neck bolt on the substrate on the rotary short support leg is lifted, the distance between the substrate on the short support leg and the bearing seat is increased, the inclination angle of the whole screen frame and the horizontal plane is reduced, otherwise, if the long neck bolt in the substrate on the rotary short support leg is lifted, the distance between the whole screen frame and the horizontal plane is increased, similarly, the long neck bolt on the substrate on the rotary long support leg is lifted, the distance between the substrate on the long support leg and the bearing seat is increased, otherwise, the distance between the substrate on the long support leg and the bearing seat is reduced, the inclination angle between the whole screen frame and the horizontal plane is reduced, the fine adjustment angle is realized, and the adjustment range is 3-5 degrees.

Further, limit grooves are formed in the two side faces of the screen frame in a penetrating mode, limit bolts are connected to the two end portions of the adjusting plate in a rotating mode, and the limit bolts penetrate through the limit grooves from the outside of the screen frame and are connected with the end portions of the adjusting plate in a threaded mode; after the distance between the adjusting plates is changed, the positions of the adjusting plates can be limited by locking the rotating limiting bolts with the screen frames.

Further, the top surface of the adjusting plate is contacted with the bottom surface of the screen bars, and holes formed by criss-cross distribution of the adjusting plate and the screen bars are screen holes.

The utility model has the following beneficial effects:

the utility model solves the problems of high energy consumption, high noise, easy breakage of the screen beam, vibration cracking of the screen body and high maintenance cost of the traditional vibrating screen by arranging the screen frame, the screen bars and the adjusting plate; the materials are screened through a screen mesh-shaped structure formed by screen bars in a screen frame and an adjusting plate, and the large inclination angle is integrally utilized to utilize different gravity of large particles and small particles of the screened materials, and the static structure is adopted to easily realize screening and grading of the materials; the energy consumption is reduced, and the dynamic load of the foundation is reduced because of the static structure and no vibration; by adopting a static structure, the phenomenon that the screen beam is broken by vibration and the screen body is broken by vibration does not exist; simultaneously, noise is reduced; the sieve holes are convenient to adjust, so that the sieve plates are prevented from being replaced when the sieve holes are changed, the maintenance cost is reduced, and the labor intensity is reduced; the static structure is adopted, so that the sealing with peripheral equipment is more reliable, and the environmental protection effect is better; the static structure is adopted, external power is canceled, and meanwhile, the maintenance of the external power is not considered, so that the maintenance cost is reduced.

According to the utility model, the problem of high equipment cost required by angle fine adjustment of the vibrating screen is solved by arranging the angle fine adjustment assembly; when changing the inclination of reel, namely the position height of reel both ends changes, in this in-process, the bearing frame is horizontal all the time, if rotatory long neck bolt on the short landing leg upper base plate rises, then the interval of short landing leg upper base plate and this bearing frame increases, and the inclination of reel whole and horizontal plane reduces, otherwise if rotatory long neck bolt in the short landing leg upper base plate descends, then the interval of short landing leg upper base plate and this bearing frame reduces, and the inclination of reel whole and horizontal plane increases, and the angle modulation on the same long landing leg is then opposite.

Drawings

FIG. 1 is a perspective view of an environment-friendly static screening device;

FIG. 2 is a view showing the structure with the upper cover and the lower hopper removed;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a structural view of the upper cover;

FIG. 5 is a diagram showing the connection of a screen frame to an angle fine adjustment assembly;

FIG. 6 is a block diagram of the blanking hopper;

FIG. 7 is a combination diagram of a screen bar and an adjustment plate;

FIG. 8 is an enlarged view of the structure at B in FIG. 7;

FIG. 9 is a combination diagram of a screen bar and an alternate view of a conditioning plate;

fig. 10 is an enlarged view of the structure at C in fig. 9.

Reference numerals:

1. a screen frame; 101. discharging a hopper; 1011. a feed opening; 102. an upper cover; 1021. a feed inlet; 103. a slag discharge port; 104. a limit groove; 105. a cross beam; 2. an angle fine adjustment assembly; 201. a rotating shaft; 202. a bearing seat; 203. a long neck bolt; 3. a long leg; 301. a substrate; 4. a short leg; 5. a screen bar; 501. a U-shaped frame; 5011. a cavity; 6. an adjusting plate; 601. and a limit bolt.

Detailed Description

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.

Referring to fig. 1-10, the utility model discloses an environment-friendly static screening device, which comprises a screen frame 1, an angle fine adjustment assembly 2, screen bars 5 and an adjusting plate 6 which are obliquely arranged, wherein two cross beams 105 which are symmetrically distributed are fixed on the inner wall of the screen frame 1, the screen bars 5 which are equally distributed are also arranged in the screen frame 1, U-shaped frames 501 are fixed at the bottoms of all the screen bars 5, the adjusting plate 6 which are equally distributed at intervals are inserted into cavities 5011 in all the U-shaped frames 501, the bottom surface of the U-shaped frames 501 is fixed on the upper surface of the cross beams 105, and the adjusting plate 6 and the screen bars 5 are distributed in a crisscross manner;

the screen frame 1 is matched with the cross beam 105 in the screen frame to strengthen the structure and assist the screen bars 5 to fix, a large number of screen bars 5 are fixed on the cross beam 105 through the U-shaped frame 501 at the bottom of the screen frame, a large number of adjusting plates 6 are inserted in the U-shaped frame 501 in a matched mode, so that the adjusting plates 6 and the screen bars 5 are crisscrossed to form a large number of screen holes, materials are screened through the screen holes, the section of the screen bars 5 is of a trapezoid structure, the materials slide down from the side face of the screen bars 5 more easily and are screened through the screen holes, the distance between the adjusting plates 6 can be adjusted, and the size of the screen holes can be adjusted, and the screening amount can be controlled according to actual requirements;

the two ends of each side face of the screen frame 1 are provided with angle fine tuning assemblies 2, the bottoms of the two angle fine tuning assemblies 2 which are lower and close to the discharging end are connected with short supporting legs 4, and the bottoms of the two angle fine tuning assemblies 2 which are higher are connected with long supporting legs 3;

the two sides of the screen frame 1 are connected with the short supporting leg 4 and the long supporting leg 3 through the angle fine tuning assembly 2, and the inclination angle of the whole screen frame 1 can be adjusted by controlling the distance between the angle fine tuning assembly 2 and the long supporting leg 3 and the distance between the angle fine tuning assembly 2 and the short supporting leg 4, so that fine tuning treatment on angles is realized.

A blanking hopper 101 is fixed at the bottom of the screen frame 1, a blanking port 1011 is formed at the lower end of the blanking hopper 101 in a penetrating way, an upper cover 102 is fixed at the top of the screen frame 1, and a feeding port 1021 is formed at the upper end surface of the upper cover 102 in a penetrating way;

the lower end of the screen frame 1 is fixedly penetrated by a slag discharging opening 103, and the slag discharging opening 103 is positioned above the blanking opening 1011;

the whole screen frame 1 is obliquely arranged at a large inclination angle, materials to be screened are input through a feed inlet 1021 on the upper cover 102, the materials are screened through a screen-shaped structure formed by screen bars 5 and adjusting plates 6 in the screen frame 1, after passing through screen holes formed by the adjusting plates 6 and the screen bars 5, the materials are discharged through a discharge hopper 101 and discharged from a discharge opening 1011, but the materials which cannot pass through the screen holes are discharged from a slag discharge opening 103 under the action of gravity; the whole process does not need vibration of a vibration motor, and screening and grading are carried out by depending on different gravities of large particles and small particles of materials; because of the static structure, the external power device of the traditional vibrating screen is eliminated, so that the energy consumption is reduced, the damage of vibration to screening equipment is reduced, the service life of the equipment is prolonged, and the production and maintenance cost is reduced; the whole equipment does not vibrate, static sealing with peripheral equipment can be realized, and the sealing effect is better; reducing the pollution to the environment.

The angle fine adjustment assembly 2 comprises a rotating shaft 201 fixed on the side surface of the screen frame 1, and a bearing seat 202 is connected to the outer turnover of the rotating shaft 201 in a movable manner;

the upper ends of the short support leg 4 and the long support leg 3 are both fixed with a base plate 301, a long neck bolt 203 is screwed in the base plate 301 from bottom to top, the outer peripheral surface of the upper part of the long neck bolt 203 is smooth, and the smooth part rotates in the bearing seat 202;

when the inclination angle of the screen frame 1 is changed, that is, the height of the positions of the two ends of the screen frame 1 is changed, in the process, the bearing seat 202 is always horizontal, if the long neck bolt 203 on the base plate 301 on the rotary short leg 4 is lifted, the distance between the base plate 301 on the short leg 4 and the bearing seat 202 is increased, the inclination angle of the whole screen frame 1 and the horizontal plane is reduced, otherwise, if the long neck bolt 203 in the base plate 301 on the rotary short leg 4 is lifted, the distance between the base plate 301 on the short leg 4 and the horizontal plane is reduced, the inclination angle of the whole screen frame 1 and the horizontal plane is increased, similarly, the distance between the base plate 301 on the long leg 3 and the bearing seat 202 is increased, and if the long neck bolt 203 in the base plate 301 on the rotary long leg 3 is lifted, the distance between the base plate 301 on the long leg 3 and the bearing seat 202 is reduced, and the fine adjustment of the angle is realized, and the adjustment range is 3-5 degrees.

Limit grooves 104 are formed in the two side surfaces of the screen frame 1 in a penetrating mode, limit bolts 601 are connected to the two end portions of the adjusting plate 6 in a rotating mode, and the limit bolts 601 penetrate through the limit grooves 104 from the outside of the screen frame 1 and are connected with the end portions of the adjusting plate 6 in a threaded mode; when the distance between the adjusting plates 6 is changed, the rotation limiting bolts 601 are locked with the screen frame 1, so that the positions of the adjusting plates 6 can be limited.

The top surface of the adjusting plate 6 is contacted with the bottom surface of the screen bar 5, and holes formed by criss-cross distribution of the adjusting plate 6 and the screen bar 5 are screen holes.

The specific working principle of the utility model is as follows: the whole device is static and has no external power device; the whole screen frame 1 is arranged at a large inclination angle, materials to be screened are input through a feed inlet 1021 on the upper cover 102, the screen frame 1 is matched with a cross beam 105 in the screen frame to carry out structural reinforcement and assist in fixing the screen bars 5, a large number of screen bars 5 are fixed on the cross beam 105 through a U-shaped frame 501 at the bottom of the screen frame, a large number of adjusting plates 6 are inserted in the U-shaped frame 501 in a crisscrossing manner, so that a large number of screen holes are formed between the adjusting plates 6 and the screen bars 5, the materials are screened through the screen holes, the section of the screen bars 5 is of a trapezoid structure, the materials slide down from the side surface of the screen bars 5 more easily, are screened through the screen holes, the materials are discharged through a discharging hopper 101 after passing through the screen holes formed by the adjusting plates 6 and the screen bars 5, but the materials which cannot pass through the screen holes are discharged from a slag discharging hole 103 under the action of gravity;

the distance between the adjusting plates 6 can be adjusted, so that the size of the sieve holes can be adjusted, and after the distance between the adjusting plates 6 is changed, the position of the adjusting plates 6 can be limited by locking the rotary limiting bolts 601 with the sieve frame 1;

when the inclination angle of the screen frame 1 is changed, that is, the height of the positions of the two ends of the screen frame 1 is changed, in the process, the bearing seat 202 is always horizontal, if the long neck bolt 203 on the base plate 301 on the rotary short leg 4 is lifted, the distance between the base plate 301 on the short leg 4 and the bearing seat 202 is increased, the inclination angle of the whole screen frame 1 and the horizontal plane is reduced, otherwise, if the long neck bolt 203 in the base plate 301 on the rotary short leg 4 is lifted, the distance between the base plate 301 on the short leg 4 and the bearing seat 202 is reduced, the inclination angle of the whole screen frame 1 and the horizontal plane is increased, similarly, the distance between the base plate 301 on the long leg 3 and the bearing seat 202 is increased, and if the long neck bolt 203 in the base plate 301 on the rotary long leg 3 is lifted, the distance between the base plate 301 on the long leg 3 and the bearing seat 202 is reduced, and the inclination angle of the whole screen frame 1 and the horizontal plane is reduced, and fine adjustment of the angle is realized.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims (7)

1. The utility model provides a static screening plant of environmental protection, includes reel (1), angle fine setting subassembly (2), screen bar (5) and regulating plate (6) that the slope set up, its characterized in that: two symmetrically distributed cross beams (105) are fixed on the inner wall of the screen frame (1), equally spaced screen bars (5) are further arranged inside the screen frame (1), U-shaped frames (501) are fixed at the bottoms of all the screen bars (5), adjusting plates (6) which are arranged at equal intervals are inserted into cavities (5011) in all the U-shaped frames (501), the bottom surface of each U-shaped frame (501) is fixed on the upper surface of each cross beam (105), and the adjusting plates (6) are distributed in a crisscross mode with the screen bars (5);

the two ends of each side face of the screen frame (1) are provided with angle fine tuning components (2), the bottoms of the two angle fine tuning components (2) which are lower and close to the discharging end are connected with short supporting legs (4), and the bottoms of the two angle fine tuning components (2) which are higher are connected with long supporting legs (3).

2. An environmental protection static screening device according to claim 1, wherein: the bottom of the screen frame (1) is fixedly provided with a blanking hopper (101), a blanking opening (1011) is formed in a penetrating mode at the lower end of the blanking hopper (101), an upper cover (102) is fixedly arranged at the top of the screen frame (1), and a feeding opening (1021) is formed in a penetrating mode at the upper end face of the upper cover (102).

3. An environmental protection static screening device according to claim 2, wherein: one lower end of the screen frame (1) is fixedly penetrated with a slag discharging opening (103), and the slag discharging opening (103) is positioned above the blanking opening (1011).

4. An environmental protection static screening device according to claim 1, wherein: the angle fine adjustment assembly (2) comprises a rotating shaft (201) fixed on the side face of the screen frame (1), and a bearing seat (202) is connected to the outer periphery of the rotating shaft (201) in a rotating mode.

5. An environmental protection static screening device according to claim 4, wherein: the upper ends of the short supporting legs (4) and the long supporting legs (3) are both fixed with a base plate (301), a long neck bolt (203) is screwed in the base plate (301) from bottom to top, the outer peripheral surface of the upper part of the long neck bolt (203) is smooth, and the outer peripheral surface of the upper part of the long neck bolt (203) rotates in the bearing seat (202).

6. An environmental protection static screening device according to claim 1, wherein: limiting grooves (104) are formed in the two side faces of the screen frame (1) in a penetrating mode, limiting bolts (601) are connected to the two end portions of the adjusting plate (6) in a rotating mode, and the limiting bolts (601) penetrate through the limiting grooves (104) from the outside of the screen frame (1) and are in threaded connection with the end portions of the adjusting plate (6).

7. An environmental protection static screening device according to claim 1, wherein: the top surface of the adjusting plate (6) is contacted with the bottom surface of the screen bar (5), and holes formed by criss-cross distribution of the adjusting plate (6) and the screen bar (5) are screen holes.