CN209736026U - Dustless composite vibrating screen - Google Patents

Abstract

the utility model belongs to the field of building sand screening devices, in particular to a dust-free composite vibrating screen, which comprises a frame and a screen, wherein the top end of one side of the frame is provided with a blanking hopper, and the middle part of the other side of the frame is provided with a discharging hopper; a waste hopper is arranged under the discharge hopper; the first vertical rods are respectively arranged on the two sides of the screen on the rack, the top ends of the first vertical rods and the top ends of the fourth vertical rods are respectively fixedly connected with the bottom end of a spring on the two sides of the screen on the rack, and the top ends of the springs are fixedly connected with the screen; a vibrating motor is arranged at the bottom end of the screen and between the first vertical rod and the fourth vertical rod; the bottom end of the frame is provided with a material collecting groove which is positioned right below the screen; the dust cover is arranged at the top end of the rack and above the screen, the dust collecting groove above the screen is arranged in the dust cover, and the dust collecting groove is provided with a waste dust inlet. The utility model discloses set up the dust cover above the screen cloth, be equipped with the dust collecting tank in the dust cover, the dust cover can prevent effectively that the material from producing too big raise dust at the in-process that sieves, prevents to produce the destruction to the environment.

Description

Dustless composite vibrating screen

Technical Field

The utility model belongs to sand sieving mechanism for the building field especially relates to a dustless compound shale shaker.

Background

The building sand is a foundation of building capital construction, and the building sand is needed from the production of building bricks to subsequent wall building and the like. However, the building sand has different fineness requirements in different applications, so the building sand needs to be sieved before being used. The vibrating screen operates by utilizing reciprocating rotary type vibration generated by vibrator excitation. When the vibrating screen works, the two motors synchronously rotate in opposite directions to enable the vibration exciters to generate opposite exciting forces, so that the screen body is forced to drive the screen to do longitudinal movement, materials on the screen are periodically thrown forward to form a range by the exciting forces, and the material screening operation is finished. The method is suitable for screening sand and stone materials in a quarry and can also be used for grading products in industries such as coal dressing, mineral separation, building materials, electric power, chemical industry and the like.

at present, people generally adopt the shale shaker to sieve building sand, and current shale shaker all is simple sieve board and vibrating motor generally, and the vibration through vibrating motor improves the frequency of sieving. However, the automatic vibrating screen is easy to generate the problem of dust emission in the working process, so that the working environment is poor; and need carry out comparatively accurate control to the feeding volume, otherwise the problem that the material was pricked and is piled appears very easily, had both influenced the efficiency of sieving, lead to appearing the condition that the effect of sieving is not in place easily moreover, lead to the material that accords with the fineness to be eliminated. Therefore, it is desirable to provide a vibrating screen capable of preventing dust from flying and improving the screening efficiency and the screening effect.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the weak point among the prior art, provide one kind can prevent raise dust, can improve the shale shaker of sieving efficiency and sieving effect simultaneously.

in order to solve the technical problem, the utility model adopts the following technical scheme:

A dust-free composite vibrating screen comprises a frame and a screen, wherein a discharge hopper positioned above one side of the screen is arranged at the top end of one side of the frame, and a discharge hopper is arranged in the middle of the other side of the frame; a waste hopper is arranged under the discharge hopper; first vertical rods are respectively arranged on the rack, close to the blanking hopper and positioned on two sides of the screen, and fourth vertical rods are respectively arranged on the rack, far away from the blanking hopper and positioned on two sides of the screen; the top of the first vertical rod is positioned below the top of the fourth vertical rod, the top end of the first vertical rod and the top end of the fourth vertical rod are fixedly connected with the bottom end of a spring respectively, and the top ends of the springs are fixedly connected with obliquely arranged screens; a vibrating motor is arranged at the bottom end of the screen and between the first vertical rod and the fourth vertical rod; a material collecting groove which is positioned right below the screen is arranged at the bottom end of the frame and between the first vertical rod and the fourth vertical rod; the dust cover is arranged at the top end of the rack and above the screen, the dust collecting groove above the screen is arranged in the dust cover, and the dust collecting groove is provided with a waste dust inlet.

Furthermore, the screen comprises corrugated screen line units uniformly arranged along the width direction of the screen and grid transverse lines arranged between the adjacent corrugated screen line units; any two adjacent corrugated net wire units and the grid transverse wires positioned between the adjacent corrugated net wire units form vibrating sieve holes; any corrugated net line unit comprises a grid upper arc line and a grid lower arc line which are alternately arranged; the upper arc lines and the lower arc lines of the adjacent grids on the same corrugated grid line unit are tangent; the radii of the grid upper arc line and the grid lower arc line are equal.

Furthermore, a common tangent of an upper arc line of a grid on any corrugated net line unit is tangent with a common tangent of a lower arc line of the grid on any corrugated net line unit; the projections of the upper arc lines and the lower arc lines of the adjacent grids on the same corrugated grid line unit on the horizontal plane and the vertical plane are S-shaped.

Furthermore, the dust collecting groove is arranged along the length direction of the dust cover, one side of the dust collecting groove with the circular section is provided with a waste dust inlet which penetrates through the side wall of the dust collecting groove and has a runway-shaped section, and the other side of the dust collecting groove is provided with a noise reduction bulge.

Furthermore, a second vertical rod and a third vertical rod are respectively arranged on one side of the screen and between the first vertical rod and the fourth vertical rod; the top end of the second vertical rod and the top end of the third vertical rod are also fixedly connected with the bottom end of a spring respectively, and the top ends of the springs are fixedly connected with the screen; vibrating motors are respectively arranged at the bottom end of the screen and between the first upright stanchion and the second upright stanchion as well as between the third upright stanchion and the fourth upright stanchion; the heights of the first vertical rod, the second vertical rod, the third vertical rod and the fourth vertical rod are in an increasing equal difference series, and the projections of the first vertical rod, the second vertical rod, the third vertical rod and the fourth vertical rod on a vertical surface are divided into five equal projections of the screen on the vertical surface.

Furthermore, a sliding rod is vertically arranged above the screen on the blanking hopper, a sliding block with a C-shaped section is sleeved on the sliding rod, and an arc-shaped plate is fixedly arranged on the sliding block; the bottoms of the first vertical rod, the second vertical rod, the third vertical rod and the fourth vertical rod are all provided with damping sleeves located below the springs.

Adopt above-mentioned technical scheme, the utility model has the advantages of as follows:

(1) The utility model discloses set up the dust cover above frame top screen cloth, be equipped with the dust collecting tank in the dust cover, seted up the dust waste import on the dust collecting tank, the dust cover can prevent effectively that the material from producing too big raise dust at the in-process that sieves, prevents to produce the destruction to the environment.

(2) the utility model discloses a screen comprises a ripple mesh line unit and a grid horizontal line, wherein the ripple mesh line unit comprises a grid upper arc line and a grid lower arc line; the upper arc lines and the lower arc lines of the adjacent grids on the same corrugated grid line unit are tangent to the horizontal plane and the vertical plane to form an S shape; the material atress is different on the screen cloth of height fluctuation amount, then acceleration and speed are also different, and the material of being convenient for scatters and sieves, effectively improves the efficiency of sieving and the effect of sieving.

(3) The dust collecting groove is obliquely arranged, the two sides of the dust collecting groove are respectively provided with the waste dust inlets with different heights, and water for absorbing the waste dust can be contained in the container below the waste dust inlets in the dust collecting groove, so that the dust is prevented from flying, and the flying dust is collected, so that the problem of the flying dust is fundamentally solved, and the environment is improved; the dust collecting groove is provided with a noise reduction bulge, so that noise generated by the movement of the vibration motor and materials on the screen is treated, and the noise is reduced.

(4) A second upright post and a third upright post are respectively arranged between the first upright post and the fourth upright post to prevent the screen mesh from deforming; set up the arc of adjustable lift above the screen cloth, have the effect of restricting the height to the material, prevent that the material from piling up, improve screening efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a top view of a screen in an embodiment of the present invention;

Fig. 3 is a schematic structural view of a dust collecting groove in an embodiment of the present invention.

In the figure: 1. a frame; 2. a spring; 3. a first upright rod; 4. a vibration motor; 5. a shock-absorbing sleeve; 6. a second upright stanchion; 7. a material collecting groove; 8. a third upright stanchion; 9. a fourth upright stanchion; 10. feeding a hopper; 11. a slide bar; 12. a slider; 13. an arc-shaped plate; 14. screening a screen; 15. a dust collecting groove; 16. a dust cover; 17. a discharge hopper; 18. a waste hopper; 19. a waste dust inlet; 20. a noise reduction projection; 21. An upper arc line of the grid; 22. grid transverse lines; 23. a grid lower arc; 24. and vibrating the sieve pores.

Detailed Description

The technical solution of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.

Examples

A dust-free composite vibrating screen is shown in figures 1-3 and comprises a frame 1 and a screen 14, wherein a discharge hopper 10 positioned above one side of the screen 14 is arranged at the top end of one side of the frame 1, and a discharge hopper 17 is arranged in the middle of the other side of the frame 1; a waste hopper 18 is arranged under the discharge hopper 17;

A first vertical rod 3 is respectively arranged on the rack 1 close to the blanking hopper 10 and at two sides of the screen 14, and a fourth vertical rod 9 is respectively arranged on the rack 1 far from the blanking hopper 10 and at two sides of the screen 14; the top of the first upright stanchion 3 is positioned below the top of the fourth upright stanchion 9; a second upright rod 6 and a third upright rod 8 are respectively arranged on one side of the screen 14 and between the first upright rod 3 and the fourth upright rod 9; the top ends of the first upright stanchion 3, the second upright stanchion 6, the third upright stanchion 8 and the fourth upright stanchion 9 are fixedly connected with the bottom end of a spring 2 respectively, and the top ends of the springs 2 are fixedly connected with a screen 14 which is obliquely arranged; the vibrating motors 4 are respectively arranged at the bottom ends of the screens 14 and between the first upright stanchion 3 and the second upright stanchion 6 and between the third upright stanchion 8 and the fourth upright stanchion 9; the heights of the first upright 3, the second upright 6, the third upright 8 and the fourth upright 9 are presented with an increasing equal difference array, and the projection of the first upright 3, the second upright 6, the third upright 8 and the fourth upright 9 on the vertical plane is divided into five equal parts by the projection of the screen 14 on the vertical plane;

The screen 14 includes corrugated mesh line units uniformly arranged in the width direction of the screen 14 and grid cross lines 22 arranged between adjacent corrugated mesh line units; any two adjacent corrugated wire units and the grid transverse wires 22 positioned between the adjacent corrugated wire units form vibrating screen holes 24; any corrugated net wire unit comprises a grid upper arc line 21 and a grid lower arc line 23 which are alternately arranged; the upper arc 21 and the lower arc 23 of the adjacent grids on the same corrugated grid line unit are arranged in a tangent way; the radii of the grid upper arc 21 and the grid lower arc 23 are equal; the common tangent of the upper grid arc line 21 of any corrugated grid line unit is tangent with the common tangent of the lower grid arc line 23 of any corrugated grid line unit; the projections of the upper grid arc 21 and the lower grid arc 23 adjacent to each other on the same corrugated grid line unit on the horizontal plane and the vertical plane are S-shaped;

A material collecting groove 7 which is positioned under the screen 14 is arranged at the bottom end of the frame 1 and between the first upright stanchion 3 and the fourth upright stanchion 9; the bottom parts of the springs are provided with damping sleeves 5 which are made of rubber materials and are positioned below the springs 2; the diameter of the damping sleeve 5 is larger than the length of the spring 2, and the material collecting groove 7 is positioned between the damping sleeves 5;

A dust cover 16 is arranged at the top end of the frame 1 and above the screen 14, a dust collecting groove 15 above the screen 14 is arranged in the dust cover 16, and a waste dust inlet 19 is formed in the dust collecting groove 15; the dust collecting groove 15 is arranged along the length direction of the dust cover 16, one side of the dust collecting groove 15 with the section being a circular ring is provided with a waste dust inlet 19 which penetrates through the side wall of the dust collecting groove 15 and has a runway-shaped section, and the other side of the dust collecting groove 15 is provided with a noise reduction bulge 20; a sliding rod 11 is vertically arranged above the screen 14 on the blanking hopper 10, a sliding block 12 with a C-shaped section is sleeved on the sliding rod 11, and an arc-shaped plate 13 is fixedly arranged on the sliding block 12.

in specific implementation, a fourth vertical rod 9, a third vertical rod 8, a second vertical rod 6 and a first vertical rod 3 are sequentially arranged on one side of the screen 14 in the length direction from high to low, and the fourth vertical rod 9, the third vertical rod 8, the second vertical rod 6 and the first vertical rod 3 are connected with the screen 14 through springs 2; the vibration motor connected with an external power supply drives the screen 14 to vibrate on the spring 2, raw materials enter the top end of the screen 14 from the blanking hopper 10, the materials entering the screen 14 directly enter the material collecting tank 7 or directly enter the material collecting tank 7 through the vibration screen holes 24 on the screen 14, or move downwards along the inclined screen 14 and then enter the material collecting tank 7, and the materials with the particle size larger than the diameter of the vibration screen holes 24 are collected by the waste hopper 18 through the discharging hopper 17, so that the screening purpose is realized; the slope of the net camber line 21 and the net camber line 23 on the screen cloth 14 sets up in turn, forms the shape of fluctuation promptly, and the material is along the in-process of screen cloth 14 motion, because the material is different with the contact point of net camber line 21 and net camber line 23, then the atress of material is also different, and the material of being convenient for scatters, effectively improves the efficiency and the effect of sieving.

Because the dust is easy to generate in the material screening process, the dust cover 16 is arranged above the screen 14, the dust enters the dust collecting groove 15 from the waste dust inlet 19, and water is arranged in the dust collecting groove 15 so as to collect and absorb the dust and improve the working environment; the arc-shaped plate 13 can limit the height of materials, so that the materials are prevented from being accumulated and not beneficial to screening; meanwhile, the height of the arc-shaped plate 13 can be flexibly adjusted according to the size of the material.

The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.

Claims (6)

1. A dust-free composite vibrating screen comprises a frame and a screen, wherein a discharge hopper positioned above one side of the screen is arranged at the top end of one side of the frame, and a discharge hopper is arranged in the middle of the other side of the frame; a waste hopper is arranged under the discharge hopper; the method is characterized in that: first vertical rods are respectively arranged on the rack, close to the blanking hopper and positioned on two sides of the screen, and fourth vertical rods are respectively arranged on the rack, far away from the blanking hopper and positioned on two sides of the screen; the top of the first upright rod is positioned below the top of the fourth upright rod, the top end of the first upright rod and the top end of the fourth upright rod are fixedly connected with the bottom end of a spring respectively, and the top ends of the springs are fixedly connected with obliquely arranged screens; a vibrating motor is arranged at the bottom end of the screen and between the first vertical rod and the fourth vertical rod; a material collecting groove which is positioned right below the screen is arranged at the bottom end of the rack and between the first vertical rod and the fourth vertical rod; the dust cover is arranged at the top end of the rack and above the screen, a dust collecting groove above the screen is arranged in the dust cover, and a waste dust inlet is formed in the dust collecting groove.

2. A dust-free composite shaker as claimed in claim 1, wherein: the screen comprises corrugated screen line units uniformly arranged in the width direction of the screen and grid transverse lines arranged between the adjacent corrugated screen line units; any two adjacent corrugated net wire units and the grid transverse wires positioned between the adjacent corrugated net wire units form vibrating sieve holes; any one of the corrugated net line units comprises a grid upper arc line and a grid lower arc line which are alternately arranged; the upper arc lines and the lower arc lines of the adjacent grids on the same corrugated grid line unit are tangent; the radii of the upper arc line of the grid and the lower arc line of the grid are equal.

3. a dust-free composite shaker as claimed in claim 2, wherein: the common tangent of the upper arc line of the grid on any corrugated net line unit is tangent with the common tangent of the lower arc line of the grid on any corrugated net line unit; the projections of the upper arc lines and the lower arc lines of the adjacent grids on the same corrugated grid line unit on the horizontal plane and the vertical plane are S-shaped.

4. a dust-free composite shaker as claimed in claim 1, wherein: the dust collecting groove is arranged along the length direction of the dust cover, one side of the dust collecting groove with the circular section is provided with a waste dust inlet which penetrates through the side wall of the dust collecting groove and is in a runway shape in section, and the other side of the dust collecting groove is provided with a noise reduction bulge.

5. A dust-free composite shaker as claimed in claim 1, wherein: a second vertical rod and a third vertical rod are respectively arranged on one side of the screen and between the first vertical rod and the fourth vertical rod; the top ends of the second vertical rod and the third vertical rod are also fixedly connected with the bottom end of a spring respectively, and the top ends of the springs are fixedly connected with the screen; vibration motors are respectively arranged at the bottom end of the screen and between the first upright stanchion and the second upright stanchion as well as between the third upright stanchion and the fourth upright stanchion; the heights of the first vertical rod, the second vertical rod, the third vertical rod and the fourth vertical rod are in an increasing equal difference array, and the projections of the first vertical rod, the second vertical rod, the third vertical rod and the fourth vertical rod on a vertical surface are divided into five equal projections of the screen on the vertical surface.

6. A dust-free composite shaker as claimed in claim 1, wherein: a sliding rod is vertically arranged above the screen mesh on the blanking hopper, a sliding block with a C-shaped section is sleeved on the sliding rod, and an arc-shaped plate is fixedly arranged on the sliding block; and the bottoms of the first vertical rod, the second vertical rod, the third vertical rod and the fourth vertical rod are respectively provided with a damping sleeve positioned below the spring.