Air return anti-blocking device of winnowing machine
Technical Field
The utility model relates to an air return device technical field specifically is air separator return air prevents stifled device.
Background
The return air of the air separator in the current market is installed and connected to the top of a settling chamber of the air separator through one end of a spiral air pipe, the air suction inlet of the air separator is connected to one end of the spiral air pipe, the air pressure of the return air pipe is reduced by lengthening the air lifting device and increasing the bend, and therefore the adsorption of the return air inlet to light materials (plastic sheets, paper scraps, films, bubble bricks and the like) is reduced, and the positive and negative pressure balance function of the air separator is achieved.
Usually, the air return device can absorb some light and small substances in the spiral air pipe, the light and small substances can be settled and accumulated in the elbow and the horizontal spiral air pipe for a long time to generate blockage, and a part of the light and small substances directly flow back to the inside of the fan and are blown into a settling chamber by the fan. The sorting effect of the air separator is reduced and even lost due to the blockage of the spiral air pipe. Accordingly, there is a need for improvements in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wind selector return air prevents stifled device possesses filterable impurity, and the difficult advantage that takes place the jam, has solved the pipeline jam problem of wind selector return air device.
In order to achieve the above object, the utility model provides a following technical scheme: the air return anti-blocking device of the air separator comprises a settling chamber, wherein the left end of the settling chamber is fixedly connected with an air box, the left end of the air box is fixedly connected with a fan, a filter hopper is installed at the upper end of the settling chamber, connecting blocks are arranged at the left end and the right end of the filter hopper, the connecting blocks are connected with the upper end of the settling chamber through bolt fastening, a spiral air pipe is fixedly connected at the upper end of the filter hopper, a motor is fixedly connected at the rear end of the filter hopper, the motor is provided with a driving shaft, a filter mesh belt is sleeved at the outer side of the driving shaft in a sliding manner, a mounting sleeve is connected at the right side of the rear end of the filter hopper through threads, a driven shaft is rotatably connected in the mounting sleeve and is rotatably connected with the filter hopper, a supporting rod is fixedly connected at the lower right side of, the brush is in contact with the surface of the filter mesh belt.
Preferably, the lower end of the fan is fixedly connected with a support frame, and the upper end of the air box is fixedly connected with a hopper.
Preferably, the lower end of the air box is fixedly connected with a connecting rod, the lower end of the connecting rod is fixedly connected with a first conveying belt, and the lower end of the settling chamber is fixedly connected with a second conveying belt.
Preferably, the filter mesh belt is a Teflon mesh belt, and the filter mesh belt is sleeved with the outer side of the driven shaft.
Preferably, the driving shaft is rotatably connected with the filter hopper, and the driven shaft is rotatably connected with the filter hopper.
Preferably, the filter hopper and the connecting blocks are of an integrated structure, and the connecting blocks are symmetrically arranged on two sides of the filter hopper.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses an adopt the drive shaft of motor to drive the filter mesh belt and rotate, what the filter mesh belt adopted is special fluorine dragon guipure, and the material is difficult for the adhesion on the filter mesh belt surface, and the material drops from the guipure surface more easily when not having return air suction for the filter screen is in filtering process, and difficult emergence is blockked up, and the unable spiral duct that gets into of light object can not reduce the selection by winnowing effect, reduces equipment cost of maintenance.
2. The utility model discloses a fight inner wall design bracing piece at the filtration, the left end design support bar of bracing piece, the upper end bonding brush of support bar for the brush can be to the filter screen area sweep impurity, has guaranteed the difficult jam of filter screen area more, makes the equipment overhaul period extension.
Drawings
FIG. 1 is a schematic structural view of the present invention;
figure 2 is a cross-sectional view of the filter bowl of figure 1 according to the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;
figure 4 is a top view of the filter bowl of figure 1 according to the present invention;
figure 5 is a cross-sectional view of the filter bowl of figure 4 according to the present invention.
In the figure: 1. a settling chamber; 2. an air box; 3. a fan; 4. a support frame; 5. a hopper; 6. a connecting rod; 7. a first conveyor belt; 8. a second conveyor belt; 9. a filter hopper; 10. connecting blocks; 11. a spiral duct; 12. an electric motor; 13. a drive shaft; 14. a filter mesh belt; 15. installing a sleeve; 16. a driven shaft; 17. a support bar; 18. a supporting strip; 19. and a brush.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-5, a return air anti-blocking device of a winnowing machine comprises a settling chamber 1, wherein a wind box 2 is fixedly connected to the left end of the settling chamber 1, a fan 3 is fixedly connected to the left end of the wind box 2, air can be supplied into the wind box 2 in the prior art, a filter hopper 9 is installed at the upper end of the settling chamber 1, connecting blocks 10 are respectively arranged at the left end and the right end of the filter hopper 9, the connecting blocks 10 are fixedly connected with the upper end of the settling chamber 1 through bolts, the filter hopper 9 can be filtered through the matching of the connecting blocks 10 and the bolts, a spiral air pipe 11 is fixedly connected to the upper end of the filter hopper 9, a motor 12 is fixedly connected to the rear end of the filter hopper 9, the motor 12 is a traditional driving motor and belongs to the prior art, the motor 12 is provided with a driving shaft 13, a filter mesh belt 14 is sleeved on the outer side, the driven shaft 16 is connected in the mounting sleeve 15 in a rotating mode, the driven shaft 16 is connected with the filter hopper 9 in a rotating mode, the supporting rod 17 is fixedly connected to the lower right side of the inner wall of the filter hopper 9, the supporting rod 18 is fixedly connected to the left end of the supporting rod 17, the upper end of the supporting rod 18 is bonded with the hairbrush 19, the hairbrush 19 is in contact with the surface of the filter mesh belt 14, and impurities on the surface of the filter mesh belt 14 can be swept through the design of the hair.
In this embodiment, specifically, the lower end of the fan 3 is fixedly connected with the support frame 4, and the upper end of the bellows 2 is fixedly connected with the hopper 5. Hopper 5 is used for adding the material, and the design of support frame 4 has the supporting role to fan 3.
In this embodiment, specifically, the lower end of the air box 2 is fixedly connected with a connecting rod 6, the lower end of the connecting rod 6 is fixedly connected with a first conveyer belt 7, and the lower end of the settling chamber 1 is fixedly connected with a second conveyer belt 8. The first conveyor belt 7 and the second conveyor belt 8 have a function of conveying materials, and belong to the prior art.
In this embodiment, specifically, the filter mesh belt 14 is a teflon mesh belt, and the filter mesh belt 14 is sleeved on the outer side of the driven shaft 16. The Teflon mesh belt has high structural strength, good wear resistance and long service life, so that the overhaul period is longer.
In this embodiment, specifically, the driving shaft 13 is rotatably connected to the filter hopper 9, the driven shaft 16 is rotatably connected to the filter hopper 9, and the filter hopper 9 is made of stainless steel. The driving shaft 13 and the driven shaft 16 can rotate in the filter hopper 9, and the filter hopper 9 made of stainless steel material has good wear resistance and rust resistance.
In this embodiment, specifically, the filter hopper 9 and the connecting block 10 are an integrated structure, and the connecting block 10 is symmetrically disposed on two sides of the filter hopper 9. Through the design of two connecting blocks 10, conveniently install filtering hopper 9.
During the use, the material gets into from hopper 5, fan 3 starts, the ventilation circulating air separates the light and heavy material, heavy material is carried away from first conveyer belt 7, light material gets into deposit room 1, carry away through second conveyer belt 8, some light material floats in deposit room 1 because there is return air suction, adsorb light material to filter mesh belt 14 on the surface, filter mesh belt 14 is rotated by the drive shaft 13 drive of motor 12, move the material that adsorbs on filter mesh belt 14 right through the operation, when brush 19, brush 19 can strike off the material, prevent that filter mesh belt 14 from taking place the jam, can sweep filter mesh belt 14 through brush 19 and remove impurity, guaranteed filter mesh belt 14 difficult jam more, make equipment maintenance cycle extension.
The control mode of the present application is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming by those skilled in the art, and the present application is common knowledge in the field, and the present application mainly protects the mechanical device, so the control mode and the circuit connection are not explained in detail in the present application.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.