CN205288919U - Improved generation screening equipment - Google Patents

Abstract

The utility model discloses an improved screening device, which comprises a fixed frame, a fixed box fixedly installed on the fixed frame, a first motor installed on the fixed box, a rotating shaft rotatably installed in the fixed box, a The first screening cylinder rotatably set on the rotating shaft, the driving wheel for driving the first screening cylinder to rotate, the second motor for driving the driving wheel to rotate, and the feeder connected to the first screening cylinder a hopper, an unloading device for transporting materials into the hopper, the output shaft of the first motor is connected to the rotating shaft, and a plurality of first sieve holes are formed on the peripheral wall of the first screening cylinder, A plurality of stirring blades are installed on the rotating shaft, and the stirring blades are distributed in a spiral shape on the outer peripheral wall of the rotating shaft. The bottom of the fixed box is connected with a fine material pipe. The right side of the first screening cylinder It is connected with a coarse material pipe. The utility model can significantly improve the screening effect and working efficiency of the equipment.

Description

An improved screening equipment

technical field

The utility model relates to a mechanical device, in particular to an improved screening equipment.

Background technique

Mining bases often need to screen materials with different particle sizes through screening devices to obtain materials with different particle sizes. The existing screening device is generally equipped with a first screening cylinder with sieve holes, and materials with different particle sizes can be screened by the rotating first screening cylinder. However, when some materials are rotated and sieved, the sieve holes will be blocked, resulting in very poor screening effect of the sieving device and very low working efficiency.

Utility model content

Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide an improved screening equipment, which can significantly improve the screening effect and working efficiency of the equipment.

In order to achieve the above object, the utility model adopts the following technical solutions:

An improved screening equipment, comprising a fixed frame, a fixed box fixedly installed on the fixed frame, a first motor installed on the fixed box, a rotating shaft rotatably installed in the fixed box, rotatably set in the rotating The first screening cylinder on the shaft, the driving wheel for driving the first screening cylinder to rotate, the second motor for driving the driving wheel to rotate, the feed hopper communicated with the first screening cylinder, The material is transported to the unloading equipment in the feeding hopper, the output shaft of the first motor is connected with the rotating shaft, the peripheral wall of the first screening cylinder is formed with a plurality of first screen holes, and the rotating shaft A plurality of stirring blades are installed, and the stirring blades are distributed in a spiral shape on the outer peripheral wall of the rotating shaft. The bottom of the fixed box is connected with a fine material pipe, and the right side of the first screening cylinder is connected with a coarse material pipe. .

The first screening cylinder is inserted with a second screening cylinder, the first screening cylinder is provided with a first connection port, and the second screening cylinder is provided with a second connection port corresponding to the first connection port. Connection port, the right side of the first screening cylinder is provided with a third connection port, the second screening cylinder is provided with a fourth connection port corresponding to the third connection port, the peripheral wall of the second screening cylinder A plurality of second sieve holes are formed, a first moving block is fixedly installed on the top of the second screening cylinder, and a first cavity for the movement of the first moving block is formed on the inner wall of the top of the first screening cylinder , the bottom of the second screening cylinder is fixedly installed with a second moving block, the bottom inner wall of the first screening cylinder is formed with a second cavity for the second moving block to move, the first cavity and The second cavities extend along the axial direction of the first screening cylinder, and a pull rod is detachably installed on the right end side wall of the second screening cylinder, and the right side of the first screening cylinder is formed with a A first through hole through which the pull rod passes, and a second through hole through which the pull rod passes is formed on the right side of the fixed box.

The dumping equipment includes a dumping board, a first cylinder, a second cylinder, a material box installed on the dumping board, a support plate positioned at the bottom of the dumping board, a bottom plate positioned below the supporting board, and the One end is hinged with the end of the same side of the support plate, the body of the first cylinder is hinged on the side of the support plate, the piston rod of the first cylinder is hinged with the side of the blanking plate, the support plate and the bottom plate Two yokes are installed between them. The middle parts of the two yokes are hinged. The bottom surface of the support plate is provided with a first track, and the upper surface of the bottom plate is provided with a second track. The left end of one of the yokes is hinged with the support plate. , the right end of the yoke is slidably connected to the first track, the left end of the other yoke is hinged to the bottom plate, the right end of the yoke is slidably connected to the second track, and the body of the second cylinder is hinged to one of the yokes, The piston rod of the second cylinder is hinged to the other yoke.

The left outer peripheral wall of the first screening cylinder is provided with a first circular groove, the right outer peripheral wall of the first screening cylinder is provided with a second circular groove, and the driving wheel is installed on the first screening cylinder. The lower left side of the cylinder, the upper left side of the first screening cylinder is equipped with a first pinch wheel, the driving wheel and the first pinch wheel are both attached to the bottom wall of the first circular groove, the first A passive wheel is installed on the lower right of the screening cylinder, and a second pressing wheel is installed on the upper right of the first screening cylinder, and both the passive wheel and the second pressing wheel are attached to the bottom wall of the second circular groove combine.

The beneficial effects of the utility model are:

In the utility model, through the setting of the above structure, the material to be screened is poured into the feeding hopper through the pouring equipment, and then enters the first screening cylinder, and then starts the first motor to drive the rotation of the rotating shaft and the stirring plate. Then start the second motor to drive the rotation of the first screening drum, thereby effectively preventing the material from clogging the first screen hole during rotary screening, and significantly improving the screening effect and working efficiency of the equipment. The material is distributed in a spiral shape. Under the action of the stirring blade, it is spirally conveyed from the left end of the first screening cylinder to the right end, and is screened during the conveying process, and the materials that can pass through the first sieve hole pass through the first sieve hole and flow out from the fine material pipe , the material that cannot pass through the first sieve hole is conveyed to the right side of the first sieving cylinder, and finally flows out from the coarse material pipe.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic side view of the dumping equipment of the present utility model;

Fig. 3 is a structural schematic view of the fork arm of the dumping device of the present invention when it is not unfolded.

Among them, 1. fixed frame; 2. fixed box; 3. first motor; 4. rotating shaft; 5. second screening cylinder; 6. first screening cylinder; 7. driving wheel; 8. second motor; 9. Feed hopper; 10. Stirring plate; 11. Fine material tube; 12. Pull rod; 13. Coarse material tube; 14. First circular groove; 15. Second circular groove; 16. First pressing wheel; 17 , driven wheel; 18, the second pressure wheel; 19, the first connection port; 20, the bearing seat; 21, the second connection port; 22, the third connection port; 23, the fourth connection port; 24, the first moving Block; 25, the first cavity; 26, the second moving block; 27, the second cavity; 28, the motor seat; 29, the second through hole; 30, the pouring plate; 31, the material box; 32, the first 33, the second cylinder; 34, the support plate; 35, the yoke; 36, the bottom plate; 37, the second track; 38, the first track; 39, the hinge point; 40, the first through hole.

detailed description

Below, in conjunction with accompanying drawing and specific embodiment, the utility model is described further:

As shown in Figure 1-3, it is an improved screening equipment of the present invention, including a fixed frame 1, a fixed box 2 fixedly installed on the fixed frame 1, a first motor 3 installed on the fixed box 2, The rotating shaft 4 rotatably installed in the fixed box 2, the first screening drum 6 rotatably set on the rotating shaft 4, the driving wheel 7 for driving the first screening drum 6 to rotate, and the driving wheel 7 for driving The second motor 8 that the drive wheel 7 rotates, the feed hopper 9 that communicates with the first screening drum 6, the material that is used to transport the material to the discharge equipment in the feed hopper 9, the output of the first motor 3 The shaft is connected with the rotating shaft 4, and the peripheral wall of the first screening cylinder 6 is formed with a plurality of first sieve holes, and a plurality of stirring blades 10 are installed on the rotating shaft 4, and the stirring blades 10 are arranged on the rotating shaft 4 The outer peripheral wall of the first screening cylinder 6 is distributed in a spiral shape, the bottom of the fixed box 2 is connected with a fine material pipe 11, and the right side of the first screening cylinder 6 is connected with a coarse material pipe 13. During installation, the rotating shaft 4 can be installed in the fixed box 2 through the bearing seat 20 . The first motor 3 can be installed on the fixed box 2 through the motor base 28 .

The stirring blades 10 of the present utility model mainly have two functions, one is to stir the materials to facilitate the screening of the materials; Spiral distribution, the rotating shaft 4 can transport the material from the left end to the right end of the first screening drum 6 when it is rotating.

The rotational direction of the rotating shaft 4 and the first screening cylinder 6 of the present invention can be opposite, which can further prevent the phenomenon of blocking the first screen holes when the materials are rotated and screened. Moreover, the rotational speed of the rotating shaft 4 can be set to be about 40 times the rotational speed of the first screening drum 6 .

The first screening cylinder 6 is inserted with a second screening cylinder 5, and the first screening cylinder 6 is provided with a first connection port 19, and the second screening cylinder 5 is connected to the corresponding first connection port. 19 is provided with a second connection port 21, the right side of the first screening cylinder 6 is provided with a third connection port 22, and the second screening cylinder 5 is provided with a fourth connection port 22 corresponding to the third connection port. Port 23, the peripheral wall of the second screening cylinder 5 is formed with a plurality of second sieve holes, the top of the second screening cylinder 5 is fixedly installed with a first moving block 24, the first screening cylinder 6 A first cavity 25 for the movement of the first moving block 24 is formed on the inner wall of the top, and a second moving block 26 is fixedly installed on the bottom of the second screening cylinder 5. On the bottom inner wall of the first screening cylinder 6 A second cavity 27 for the movement of the second moving block 26 is formed, the first cavity 25 and the second cavity 27 both extend along the axial direction of the first screening cylinder 6, and the second screening A pull rod 12 is detachably installed on the right end side wall of the cylinder 5, a first through hole 40 for the pull rod 12 to pass is formed on the right side of the first screening cylinder 6, and a first through hole 40 is formed on the right side of the fixed box 2. A second through hole 29 for the pull rod 12 to pass through.

When feeding, the first connecting port 19 and the second connecting port 21 can be rotated to a position aligned with the feeding hopper 9 and paused, which facilitates the feeding of materials. When the positions of the third connection port 22 and the fourth connection port 23 are aligned with the coarse material pipe 13 , the coarse material can be discharged from the coarse material pipe 13 .

The above solution is mainly to adjust the particle size of the material flowing out from the fine material pipe 11 by adjusting the relative positions of the first sieve hole and the second sieve hole. Its specific adjustment method is: by moving the pull rod 12 left and right, the first moving block 24 and the second moving block 26 fixedly installed on the second screening cylinder 5 can be driven along the first cavity 25 and the second cavity respectively. The left and right movement of the cavity 27 changes the relative positions of the first sieve hole and the second sieve hole. With such a design, fine materials with different particle sizes can be obtained conveniently without changing the screen cylinder, which significantly improves the operating flexibility of the utility model.

Described dumping equipment comprises dumping plate 30, the first cylinder 32, the second cylinder 33, the material box 31 that is installed on the dumping plate 30, the support plate 34 that is positioned at the bottom surface of the dumping plate 30, is positioned at the support plate 34 below Bottom plate 36, one end of described material dumping plate 30 is hinged with the same side end of support plate 34, and the body of described first cylinder 32 is hinged on the side of support plate 34, and the piston rod of described first cylinder 32 is connected with pouring plate 34. The sides of the material plate 30 are hinged, and two yokes 35 are installed between the support plate 34 and the base plate 36. The middle parts of the two yokes 35 are hinged, and the bottom surface of the support plate 34 is provided with a first track 38. The upper surface of the base plate 36 is provided with a second track 37, wherein the left end of a yoke 35 is hinged with the support plate 34, the right end of the yoke 35 is slidably connected with the first track 38, and the left end of the other yoke 35 is connected with the base plate 36. Hinged, the right end of the yoke 35 is slidably connected with the second rail 37, the body of the second cylinder 33 is hinged with one of the yokes 35, and the piston rod of the second cylinder 33 is hinged with the other yoke 35 .

The working principle of the dumping equipment is: by starting the second cylinder 33, the two fork arms 35 can be driven to expand, that is, the right ends of the two fork arms 35 move along the left ends of the first track 38 and the second track 37 respectively, Thereby promote the integral height of support plate 34 and material dumper 30, thereby also promote the height of material box 31, after the height position of material box 31 is adjusted, start first cylinder 32, because material dumper 30 and support plate 34 are The hinged connection relationship, so the material dumping plate 30 will rotate around its hinge point 39, thereby also driving the rotation of the material box 31, and finally pour the material in the material box 31 into the feed hopper 9 to complete the material dumping work .

In addition, there may be two sets of fork arms 35 , corresponding to two first cylinders 32 and two second cylinders 33 .

The left outer peripheral wall of the first screening drum 6 is provided with a first circular groove 14, the right outer peripheral wall of the first screening drum 6 is provided with a second circular groove 15, and the driving wheel 7 is installed At the bottom left of the first screening drum 6, the upper left of the first screening drum 6 is equipped with a first pinch wheel 16, and the driving wheel 7 and the first pinch wheel 16 are all connected with the first round groove 14. The bottom wall of the first screening cylinder 6 is fitted with a driven wheel 17 on the lower right, and a second pressing wheel 18 is installed on the upper right of the first screening cylinder 6. The driven wheel 17 and The second pressing wheels 18 are in contact with the bottom wall of the second circular groove 15 .

After starting the second motor 8, under the cooperation of the first pressing wheel 16 and the driving wheel 7, the rotation of the first screening cylinder 6 can be driven, and the cooperation of the second pressing wheel 18 and the driven wheel 17 can effectively ensure the first The screening drum 6 rotates smoothly. In actual production, in order to facilitate the rotation work of driving the first screening cylinder 6 better, the first engaging part can be set on the first circular groove 14, and the second engaging part can be set on the driving wheel 7, which is more convenient and active. The wheel 7 drives the rotation work of the first screening drum 6 .

For those skilled in the art, various other corresponding changes and modifications can be made according to the technical solutions and ideas described above, and all these changes and modifications should fall within the protection scope of the claims of the present invention .

Claims (1)

1. a modified version screening plant, it is characterized in that: comprise anchor, the fixed case being fixedly mounted on anchor, the first motor being arranged on fixed case, the turning axle being installed in rotation in fixed case, it is set with the first sifting barrel on the rotary shaft rotationally, for driving the motion-work wheel of the first sifting barrel rotary work, for driving the 2nd motor of motion-work wheel rotary work, with the hopper that the first sifting barrel is connected, for by mass transport to the batch turning equipment in hopper, the output shaft of described first motor is connected with turning axle, the perisporium of described first sifting barrel is formed with multiple first sieve aperture, described turning axle is provided with multiple stirring piece, described stirring piece distributes in the shape of a spiral at the outer circle wall of turning axle, the bottom of described fixed case is communicated with fines pipe, the right side of described first sifting barrel is communicated with coarse fodder pipe,

The 2nd sifting barrel it is fitted with in described first sifting barrel, described first sifting barrel is provided with the first Link Port, described 2nd sifting barrel is provided with the 2nd Link Port at corresponding first Link Port place, the right side of described first sifting barrel is provided with the 3rd Link Port, described 2nd sifting barrel is provided with the 4th Link Port at corresponding 3rd Link Port place, the perisporium of described 2nd sifting barrel is formed with multiple 2nd sieve aperture, the top of described 2nd sifting barrel is installed with the first movable block, the top inner wall of described first sifting barrel is formed for the first cavity that the first movable block moves, the bottom of described 2nd sifting barrel is installed with the 2nd movable block, the bottom interior wall of described first sifting barrel is formed for the 2nd cavity that the 2nd movable block moves, described first cavity and the 2nd cavity all extend along the axial direction due of the first sifting barrel, the right end sidewalls of described 2nd sifting barrel is removably provided with pull bar, the right side of described first sifting barrel is formed for the first through hole that pull bar passes, the right side of described fixed case is formed for the 2nd through hole that pull bar passes,

Described batch turning equipment comprises batch turning plate, first cylinder, 2nd cylinder, the body feed tank being arranged on batch turning plate, it is positioned at the back up pad of batch turning plate bottom surface, it is positioned at the base plate below back up pad, one end of described batch turning plate and the same side end of back up pad are hinged, the body of described first cylinder is hinged on the side of back up pad, the piston rod of described first cylinder and the side of batch turning plate are hinged, two fork arms are installed between described back up pad and base plate, pitch in the middle part of arms hinged for these two, the bottom surface of described back up pad is provided with the first track, the upper surface of described base plate is provided with the 2nd track, wherein the fork left end of arm and back up pad are hinged, right-hand member and first track sliding of this fork arm are dynamically connected, the left end of another fork arm and base plate hinged, right-hand member and the 2nd track sliding of this fork arm are dynamically connected, the body of described 2nd cylinder is hinged with wherein one fork arm, the piston rod of described 2nd cylinder and another fork arm are hinged.