CN215430245U - Bellows structure of fan and install novel double entry cleaner of this structure - Google Patents

Abstract

The utility model discloses an air box structure of a fan, which comprises a box body and an air equalizer, wherein the box body is provided with a plurality of air holes; the top of the box body is provided with an air outlet, and the side wall of the box body is provided with an air inlet; a transmission shaft is rotatably arranged in the box body, more than two air chambers are arranged in the box body along the axial direction of the transmission shaft, and a fan is fixed on the transmission shaft in each air chamber; an air equalizing device is fixed on the air outlet. The advantages are that: compared with the existing air box structure, the end face and the middle side wall of the box body are provided with the air inlets, and the three air chambers are arranged in the box body, so that the air volume entering the air chambers is increased, and the air volume is improved; the air outlet of the box body is provided with the air equalizer, so that air flow is uniformly blown out from the upper part of the air equalizer, and the efficiency and the quality of material selection can be greatly improved; compared with the existing cleaning and sorting machine, the feeding hopper is provided with the material distribution partition plate and the adjusting plate, so that more uniform discharging and uniform distribution of raw materials are realized on the specific gravity table, the quality and the efficiency of material selection are greatly improved, and the economic benefit is increased.

Description

Bellows structure of fan and install novel double entry cleaner of this structure

The technical field is as follows:

the utility model relates to the technical field of mechanical equipment, in particular to an air box structure of a fan and a novel compound cleaning and sorting machine with the structure.

Background art:

when solid materials with different specific gravities need to be sorted, a fan is usually used as auxiliary equipment to blow away materials with small specific gravities so as to achieve the purpose of separation; for example, a cleaning and sorting machine is mechanical equipment for removing flat skins and impurities and performing classified screening on various grains, and a fan is also utilized when the cleaning and sorting machine performs material sorting; however, the existing fans adopt a single air box structure, the air quantity of the air box is small, the air outlet is uneven, and the optimal winnowing effect cannot be achieved, so that the material selecting speed is influenced, and the production efficiency is reduced.

In addition, the existing compound cleaning machines in China are more in types, wherein the patent with the application number of CN201320243859.6 and the name of 'a compound cleaning machine' discloses the structure of the existing compound cleaning machine, which comprises a rack, a specific gravity table arranged on the rack, an impurity settling chamber, a main fan, a motor and a sieve box; the front end of the specific weight platform is a material outlet, the rear end of the specific weight platform is an impurity outlet, the impurity settling chamber is arranged at the rear lower part of the specific weight platform, the lower part of the impurity outlet is an ash inlet of the impurity settling chamber, the sieve box is arranged in front of the specific weight platform, the lower part of the material outlet is a skin-connecting sieve of the sieve box, the main fan is arranged below the specific weight platform, an air outlet of the main fan is hermetically connected with the bottom of the specific weight platform, and the motor is respectively connected with the main fan and the specific weight platform through a belt.

However, the existing cleaning and sorting machine has the following problems besides the problems of the used fan: (1) the feed hopper of the cleaner adopts a single conical fixed clapboard for material distribution, so that the material is easily discharged unevenly, the material on the specific gravity table is unevenly distributed, and the screening quality and speed are influenced; (2) the discharge ports of the existing cleaning and sorting machine adopt direct discharge, so that materials are easy to spill, and are easy to spill particularly in the outside windy weather, and the economic loss caused by long-time work cannot be ignored; (3) the rack support adopts a structure that three screw jacks are respectively fixed on two sides of the rack, when the screw is adjusted, the middle screw is extremely easy to be over-tight, so that the rack is in a state similar to a seesaw, and the middle screw is extremely loose, so that the middle part of the rack is excessively stressed, and the rack is extremely easy to break.

The utility model has the following contents:

the utility model aims to provide an air box structure of a fan, which aims to solve the problems of small air quantity and uneven air outlet of the air box.

The utility model aims to provide a novel compound cleaning and sorting machine, which aims to solve the problems that the feeding hopper of the existing cleaning and sorting machine is uneven in feeding, the material on the specific gravity table is uneven in distribution, and the screening quality and efficiency are influenced; and solves the technical problems of small air quantity of the air box, uneven air outlet and material sprinkling at the discharge port.

The utility model is implemented by the following technical scheme: a bellows structure of a fan comprises a box body and a wind equalizer; the top of the box body is provided with an air outlet, and the side wall of the box body is provided with an air inlet; a transmission shaft is rotatably arranged in the box body, more than two air chambers are arranged in the box body along the axial direction of the transmission shaft, and a fan is fixed on the transmission shaft in each air chamber; the air outlet is fixed with the air equalizer.

Furthermore, the air equalizer comprises a frame and a plurality of equalizing plates fixed in the frame, and the equalizing plates are parallel to each other and are obliquely arranged in the same direction.

Furthermore, an air adjusting plate is arranged at the air outlet and close to the air exhaust side of the air equalizer, and the bottom edge of the air adjusting plate is rotatably connected with the air outlet.

The novel compound cleaning and sorting machine comprises a rack, a feed hopper, a specific gravity table, an impurity settling chamber and a screen box, wherein a medium material outlet and a small material outlet of the screen box are vertically aligned and are provided with valves; the air box structure of the fan is also included; the box body is arranged below the specific weight platform, an air outlet of the box body is hermetically connected with the bottom of the specific weight platform, and a transmission shaft of the box body is in transmission connection with an output shaft of the motor.

Furthermore, more than two groups of material distribution partition plates are fixed between the inner walls of the two sides of the feed hopper, the material distribution partition plates in each group are symmetrically arranged in a splayed shape, and the feed inlets of the material distribution partition plates in each group are gradually reduced from outside to inside.

Furthermore, two adjusting plates are symmetrically arranged at the feed inlet of the group of material distribution partition plates on the outermost side, and the bottom edges of the adjusting plates are rotatably connected to the feed hopper.

Furthermore, be fixed with the cover on the sieve case and establish material export and the windbreak cover that the discharge gate was established to the bottom in the every group of sieve case material export and the small powder export, wear to be equipped with on the windbreak cover and correspond valve fixed connection's operating handle.

Furthermore, the side wall of the windshield is provided with an observation window made of transparent material.

Furthermore, a screw jack is respectively fixed on four corners of the bottom of the rack, and reinforcing beams arranged between the two corresponding screw jacks are respectively fixed on two sides of the bottom of the rack.

The utility model has the advantages that: compared with the existing air box structure, the end face and the middle side wall of the box body are provided with the air inlets, and the three air chambers are arranged in the box body, so that the air volume entering the air chambers is increased, and the air volume is improved; the air outlet of the box body is provided with the air equalizer, so that air flow is uniformly blown out from the upper part of the air equalizer, and the efficiency and the quality of material selection can be greatly improved; the transmission shaft is driven by the motor to rotate to drive the fans in the three air chambers to synchronously rotate, so that air flow enters each air chamber through the air inlet of the box body and is uniformly blown out through the air equalizer.

Compared with the existing cleaning and sorting machine, the material distribution partition plate and the adjusting plates are arranged on the feeding hopper, when raw materials enter the feeding hopper from a material opening at the top of the feeding hopper, the raw materials are evenly divided into three strands to fall off from the left and the right by adjusting the angles of the two adjusting plates, then the raw materials are continuously separated under the action of the two groups of material distribution partition plates, and finally the raw materials evenly flow out to the specific gravity table along five outlets formed by the two groups of material distribution partition plates, so that the raw materials are evenly discharged and evenly distributed on the specific gravity table, the quality and the efficiency of material selection are greatly improved, and the economic benefit is increased; the improved air box structure is arranged below the specific gravity table, and the air is uniformly blown to the specific gravity table from the air outlet through the air equalizer, so that the air quantity and the uniform air flow are increased, the efficiency and the quality of material selection of the specific gravity table can be greatly improved, and the economic benefit is increased; because the whole seal structure that is the seal structure of the wind cap that adds, and the discharge gate of wind cap lower part directly extends to in the braided bag, has avoided the unrestrained of raw materials at the bagging-off in-process, has reduced the loss of material in process of production, has increased economic benefits.

Description of the drawings:

fig. 1 is a schematic structural view of embodiment 1.

Fig. 2 is a schematic structural view of the air equalizer in embodiment 1.

Fig. 3 is a schematic structural view of embodiment 2.

Fig. 4 is a schematic view of the inner structure of the feed hopper described in example 2.

Fig. 5 is a schematic perspective view of the feed hopper in example 2.

Figure 6 is a schematic view of the discharge end of the sieve box described in example 2.

The parts in the drawings are numbered as follows: the device comprises a box body 1, an air inlet 1.1, an air outlet 1.2, an air equalizer 2, a frame 2.1, an air dividing plate 2.2, a transmission shaft 3, an air chamber 4, a fan 5, an air adjusting plate 6, a frame 7, a feed hopper 8, a proportion table 9, an impurity settling chamber 10, a sieve box 11, a material dividing partition plate 12, an adjusting plate 13, a windshield 14, an operating handle 15, an observation window 16, a screw jack 17, a reinforcing beam 18, a motor 19, an eccentric shaft 20, an upper layer box body 21, a middle layer box body 22, a lower layer box body 23, a valve 24, a dust removal chamber 25 and a rocker arm 26.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "front", "rear", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Example 1: as shown in fig. 1 and fig. 2, the present embodiment provides a wind box structure of a fan, which includes a box body 1 and a wind equalizer 2; the top of the box body 1 is provided with an air outlet 1.2, the side wall of the box body 1 is provided with an air inlet 1.1, and the end surface and the middle side wall of the box body 1 are both provided with the air inlets 1.1, so that the air quantity entering the air chamber 4 is increased, and the air quantity is greatly improved; a transmission shaft 3 is rotatably arranged in the box body 1, three air chambers 4 are arranged in the box body 1 along the axial direction of the transmission shaft 3, and a fan 5 is fixed on the transmission shaft 3 in each air chamber 4; an air equalizer 2 is fixed on the air outlet 1.2; the air-balancing device 2 comprises a frame 2.1 and a plurality of air-balancing plates 2.2 fixed in the frame 2.1, the air-balancing plates 2.2 are parallel to each other and obliquely arranged in the same direction relative to the transmission shaft 3, air flow can be uniformly blown out from the upper part of the air-balancing device 2 through the separation effect of the air-balancing plates 2.2, and the efficiency and the quality of material selection can be greatly improved; the transmission shaft 3 is driven by the motor 19 to rotate to drive the fans 5 in the three air chambers 4 to synchronously rotate, so that air flows into each air chamber 4 through the air inlet 1.1 of the box body 1 and is uniformly discharged from the air outlet 1.2 through the air equalizer 2 under the action of the rotating force of the fans 5; an air adjusting plate 6 which is arranged in parallel relative to the equalizing plate 2.2 is arranged at the air outlet 1.2 and close to the air exhaust side of the air equalizer 2, and the bottom edge of the air adjusting plate 6 is rotationally connected with the air outlet 1.2; according to the actual operating condition requirement, the direction of the air flow blown out from the air equalizer 2 can be adjusted by adjusting the inclination angle of the air adjusting plate 6.

Example 2: as shown in fig. 3 to 6, the present embodiment provides a novel compound cleaning and sorting machine, which includes a frame 7, a feed hopper 8, a specific gravity table 9, an impurity settling chamber 10 and a sieve box 11, and the overall structure thereof is basically the same as that of the prior art, and the detailed structure thereof is not repeated; the difference is that the air box structure of the fan in the embodiment 1 is also included; the box body 1 is arranged below the specific gravity table 9, an air outlet 1.2 of the box body 1 is hermetically connected with the bottom of the specific gravity table 9, and a transmission shaft 3 of the box body 1 is in transmission connection with an output shaft of a motor 19; the transmission shaft 3 is driven by the motor 19 to rotate to drive the fans 5 in the three air chambers 4 to synchronously rotate, so that air flow enters each air chamber 4 through the air inlet 1.1 of the box body 1, and then is uniformly blown to the specific gravity table 9 from the air outlet 1.2 through the air equalizer 2 under the action of the rotating force of the fans 5, the increased air quantity and uniform air flow can greatly improve the efficiency and quality of material selection of the specific gravity table 9, and the economic benefit is increased.

Two groups of material distributing partition plates 12 are fixed between the inner walls of the two sides of the feed hopper 8, each group of material distributing partition plates 12 are symmetrically arranged in a splayed shape, and the feed inlets of the material distributing partition plates 12 are gradually reduced from outside to inside; two adjusting plates 13 are symmetrically arranged at the feed inlet of the group of material distributing partition plates 12 at the outermost side, and the bottom edges of the adjusting plates 13 are rotatably connected to the feed hopper 8; when the raw materials got into feeder hopper 8 from the top material mouth of feeder hopper 8, through the angle of adjusting two regulating plates 13, make the raw materials evenly fall into three strands of whereabouts about evenly, then under the effect of two sets of material baffles 12 that divide, the raw materials continues to part, final raw materials evenly flows out to proportion platform 9 along five exports that two sets of material baffles 12 formed, make more even unloading of raw materials and even distribution on proportion platform 9 from this, be favorable to very big improvement to select quality and efficiency of material, increase economic benefits.

The screen box 11 is divided into an upper layer box body 21, a middle layer box body 22 and a lower layer box body 23, a separating screen is arranged in each layer of box body, screen holes of each layer of separating screen are gradually reduced from top to bottom, head material outlets are arranged on two sides of the front end of the upper layer box body 21, and the head material outlets are discharged from two sides of a machine, so that the falling speed of raw materials is increased; three middle material outlets are arranged at the front end of the middle layer box body 22, three small material outlets are arranged at the front end of the lower layer box body 23, the middle material outlets and the small material outlets are aligned up and down, valves 24 are arranged at the middle material outlets and the small material outlets, and the bottoms of the valves 24 are fixed below the middle material outlets or the small material outlets through rotating shafts, so that flexible opening and closing actions are realized; one end of the tension spring is fixed at the top of the middle material outlet or the small material outlet, and the other end of the tension spring is fixed on the valve 24, so that the tightness of the valve 24 under the condition of closing is ensured; a wind shield 14 which covers each group of the medium material outlet and the small material outlet of the screen box 11 and is provided with a discharge port at the bottom is fixed on the screen box 11, and an operating handle 15 fixedly connected with a corresponding valve 24 is arranged on the wind shield 14 in a penetrating manner and used for controlling the opening and closing of the valve 24; the windshield 14 is a rectangular box-type sealing structure, and an observation window 16 made of transparent materials is arranged on the side wall of the windshield 14, so that the discharging condition can be observed conveniently; the raw materials flow out from corresponding outlets according to the size after being screened, wherein the small materials and the medium materials respectively flow out to the windshield 14 from the corresponding small material outlets and the medium material outlets, and then flow into the woven bag from a discharge port at the lower part of the windshield 14; because the whole windshield 14 is the seal structure, and the discharge gate of windshield 14 lower part directly extends to in the braided bag, has avoided the unrestrained of raw materials in the bagging-off in-process, has reduced the loss of material in the production process, has increased economic benefits.

Four corners at the bottom of the frame 7 are respectively fixed with a screw jack 17, and two sides at the bottom of the frame 7 are respectively fixed with a reinforcing beam 18 arranged between the two corresponding screw jacks 17; the lead screw jacks 17 are fixed on the rack 7 by pins, and because four lead screw jacks 17 are arranged at four corners of the rack 7, the height of the lead screw jacks 17 can be adjusted simply and conveniently, and the rack 7 is not in a seesaw-like state; the two additional reinforcing beams 18 improve the bearing capacity of the middle part of the frame 7, and the frame 7 cannot be broken; the whole design simplifies the adjusting steps, avoids the fracture of the frame 7, and is beneficial to prolonging the service life of the equipment and reducing the maintenance cost of the equipment.

The working process is as follows: when the raw materials pass through the feed hopper 8, the raw materials are separated by the adjusting plate 13 and the material distribution partition plate 12 and then uniformly fall onto the specific weight table 9, in the running process of the motor 19, the transmission shaft 3 in the box body 1 is driven by a belt to rotate so as to drive the fan 5 to act, and meanwhile, the motor 19 drives the eccentric shaft 20 to act; at the moment, the specific gravity table 9 is driven by the eccentric shaft 20 to do reciprocating motion, so that the raw materials move on the specific gravity table 9, the air flow generated by the operation of the fan 5 is uniformly blown to the specific gravity table 9 through the air equalizer 2, under the action of the air flow, because of the difference of the critical speeds of the grains, the grains are layered along the plumb direction, the impurities and the light grains are suspended on the upper layer, the heavy grains are deposited on the lower layer, the impurities and the light grains on the upper layer move to the position lower than the heavy table 9 under the combined action of the inclined table top of the specific gravity table 9 and the wind power, and fall into the impurity deposition chamber 10 through the dust removal chamber 25; the heavy grains deposited on the lower layer move to the high position of the specific gravity table 9 under the action of the reciprocating motion of the specific gravity table 9 and enter the sieve box 11; the sieve box 11 reciprocates back and forth under the action of a rocker 26 connected with the specific gravity table 9, so that the grains are graded again according to the surface geometric shapes and sizes of the grains, and the graded grains flow out from a first material outlet, a middle material outlet and a small material outlet corresponding to the upper layer box body 21, the middle layer box body 22 and the lower layer box body 23 according to different shapes and sizes.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1. A bellows structure of a fan is characterized by comprising a box body and a wind equalizer; the top of the box body is provided with an air outlet, and the side wall of the box body is provided with an air inlet; a transmission shaft is rotatably arranged in the box body, more than two air chambers are arranged in the box body along the axial direction of the transmission shaft, and a fan is fixed on the transmission shaft in each air chamber; the air outlet is fixed with the air equalizer.

2. The wind box structure of a wind turbine according to claim 1, wherein said wind equalizer comprises a frame and a plurality of equalizing plates fixed in said frame, each of said equalizing plates being disposed in parallel and inclined in the same direction.

3. The bellows structure of a fan according to claim 2, wherein an air adjusting plate is disposed at the air outlet adjacent to the air discharge side of the air equalizer, and the bottom edge of the air adjusting plate is rotatably connected to the air outlet.

4. The novel compound cleaning and sorting machine comprises a rack, a feed hopper, a specific gravity table, an impurity settling chamber and a screen box, wherein a medium material outlet and a small material outlet of the screen box are vertically aligned and are provided with valves; characterized in that it further comprises a bellows structure of a fan according to any one of claims 1 to 3; the box body is arranged below the specific weight platform, an air outlet of the box body is hermetically connected with the bottom of the specific weight platform, and a transmission shaft of the box body is in transmission connection with an output shaft of the motor.

5. A novel compound cleaning and sorting machine according to claim 4, characterized in that more than two groups of material separating baffles are fixed between the inner walls of the two sides of the feed hopper, each group of material separating baffles are symmetrically arranged in a splayed shape, and the feed inlets of the material separating baffles of each group are gradually reduced from outside to inside.

6. A novel compound cleaning and sorting machine as claimed in claim 5, characterized in that two adjusting plates are symmetrically arranged at the feed inlets of the outermost group of the material separating partition plates, and the bottom edges of the adjusting plates are rotatably connected to the feed hopper.

7. A novel compound cleaning and sorting machine according to any one of claims 4 to 6, characterized in that a wind shield is fixed on the screen box and covers the material outlets and the small material outlets in each group of the screen box, and a discharge port is formed in the bottom of the wind shield, and an operating handle fixedly connected with the corresponding valve penetrates through the wind shield.

8. A novel compound cleaning and sorting machine according to claim 7, characterized in that the side walls of the draft shield are provided with observation windows of transparent material.

9. A novel compound cleaning and sorting machine according to claim 7, characterized in that a lead screw jack is fixed on each of four corners of the bottom of the frame, and reinforcing beams are fixed on each of two sides of the bottom of the frame and placed between the corresponding two lead screw jacks.

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