Pneumatic powder screw conveyor

Abstract

The utility model relates to the technical field of powder conveying equipment, and particularly discloses a pneumatic powder spiral conveyor which comprises a conveyor body, a pneumatic motor is installed on the left side wall of the conveyor body, and the output end of the pneumatic motor penetrates through the left side wall of the conveyor body and is provided with a spiral conveying rod. The right end of the bottom of the conveyor body communicates with a discharging pipe, a discharging hopper is installed at the left end of the upper end face of the conveyor body, two blocking rods distributed front and back are installed between the left side wall and the right side wall in the discharging hopper, and a dustproof frame is installed at the right end of the upper end face of the discharging hopper. The dust concentration in the air is reduced, the pollution of dust to the production environment is effectively reduced, the breathing health of operators is protected, the effect of conveniently and automatically cleaning the filter cartridge is achieved, the filtering performance of the filter cartridge is recovered, and the efficient operation of dust removal operation is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder conveying equipment technical field, concretely is a pneumatic powder screw conveyor. BACKGROUND

[0002] Pneumatic screw conveyor is a commonly used powder conveying equipment, because it is widely used in various production fields due to its large conveying capacity, good sealing performance and high efficiency. Its principle is to use a pneumatic motor to drive a spiral rotation to move materials to achieve the purpose of conveying. It can be horizontal, inclined or vertical, with simple structure, small cross-sectional area, good sealing performance, easy operation, easy maintenance, easy to seal transportation and other advantages.

[0003] The current pneumatic powder screw conveyor, usually the staff pours the powder into the feeding port of the pneumatic powder screw conveyor, the spiral rotation moves the material to move, and the powder is conveyed. When the staff pours the powder into the feeding port of the pneumatic powder screw conveyor, dust will be raised, and a small amount of dust will be generated when the spiral rod rotates to convey the powder. These dust not only pollutes the working environment and affects the health of the operator, but also may damage the equipment itself, reduce its working efficiency and service life, so it needs to be improved. SUMMARY

[0004] The utility model discloses a kind of pneumatic powder screw conveyors, with the function of dust removal, reduce the dust concentration in air, effectively reduce the pollution of dust to production environment, protect the respiratory health of operator, and reach the effect of being convenient for automatically cleaning filter cartridge, restore its filtering performance, ensure the efficient operation of dust removal operation The characteristics of.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of pneumatic powder screw conveyor, including conveyor body, the left side wall of the conveyor body is equipped with pneumatic motor, the output end of the pneumatic motor is through the left side wall of conveyor body and is equipped with spiral conveying rod, the right end of the bottom of the conveyor body is communicated with discharge pipe, the left end of the upper end surface of the conveyor body is equipped with hopper, two front and rear distribution blocking rods are installed between the left and right side walls in the hopper, the right end of the upper end surface of the hopper is equipped with dustproof frame, the cross section of the dustproof frame is trapezoidal, and the left side wall is rotatably installed with sealing door plate by hinged seat, dust removal mechanism is installed in the dustproof frame;

[0006] The dust removing mechanism comprises two fixed cylinders which are distributed front and back and fixed to the inner top end surface of the dustproof frame, the bottom of the fixed cylinder is detachably connected with a filter cylinder through bolts, the outer side wall of the fixed cylinder is slidably sleeved with a rotating ring, the outer side wall of the rotating ring is provided with a toothed pattern, the two rotating rings are connected through the toothed pattern, the bottom of the rotating ring is provided with a fixed rod, and the bottom of the fixed rod is provided with a brush plate.

[0007] The top of the fixed cylinder is communicated with a connecting pipe which penetrates the inner top end surface of the dustproof frame, the other ends of the two connecting pipes are communicated with a ventilation pipe, and the outer side wall of the ventilation pipe is connected with a fan through a pipeline.

[0008] In order to prevent the rotating ring from being separated from the fixed cylinder, preferably, the outer side wall of the fixed cylinder is provided with a limiting groove, and the inner side wall of the rotating ring is slidably connected with the inner side wall of the limiting groove.

[0009] In order to drive the rotating ring located on the right side to rotate, preferably, the upper end surface of the dustproof frame is provided with a motor, the output end of the motor penetrates the upper end surface of the dustproof frame and is provided with a gear which is engaged with the rotating ring located at the front end.

[0010] In order to clean the filter cylinder, preferably, the brush plate is in the shape of "L", and the bristles abut against the outer side wall of the filter cylinder.

[0011] In order to facilitate the control of the operation of each component, preferably, the right side wall of the dustproof frame is provided with an operation panel.

[0012] In order to facilitate the support of the conveyor body, preferably, the bottom of the conveyor body is provided with a support frame.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model adds material to the downward hopper and transports the powder in the process of rotating the spiral conveying rod, dust is generated, the fan is used to filter the dust in the airflow through the two filter cylinders, the filtered dust can fall into the downward hopper due to gravity, thereby reducing the dust concentration in the air, effectively reducing the pollution of dust to the production environment and protecting the respiratory health of the operator.

[0015] When the filter cylinder needs to be cleaned, the motor is started to drive the two rotating rings and the two brush plates to rotate and clean the filter cylinder, so that the filter cylinder can be automatically cleaned, the filtering performance is restored, and the efficient operation of the dust removal operation is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the overall sectional view structure of the utility model;

[0017] Fig. 2 It is the left view sectional structure diagram of dust removal mechanism of the utility model;

[0018] Fig. 3 It is the split structure diagram of fixed cylinder, rotating ring and filter cartridge of the utility model;

[0019] Fig. 4 It is the structure diagram of dustproof frame of the utility model.

[0020] In the figure: 1, conveyor body;101, support frame;2, pneumatic motor;201, spiral conveying rod;202, discharge pipe;3, hopper;301, blocking rod;4, dustproof frame;5, dust removal mechanism;501, fixed cylinder;502, limiting groove;503, rotating ring;6, filter cartridge;601, fixed rod;602, brush plate;7, motor;701, gear;8, connecting pipe;801, ventilation pipe;9, fan. Specific implementation

[0021] Please refer to Figs. 1 to 4 A pneumatic powder spiral conveyor, including conveyor body 1, the left side wall of conveyor body 1 is provided with pneumatic motor 2, the output end of pneumatic motor 2 penetrates the left side wall of conveyor body 1 and is provided with spiral conveying rod 201, the right end of the bottom of conveyor body 1 is communicated with discharge pipe 202, the left end of the upper end surface of conveyor body 1 is provided with hopper 3, two front and rear distributed blocking rods 301 are installed between the left and right side walls in hopper 3, the right end of the upper end surface of hopper 3 is provided with dustproof frame 4, the cross section of dustproof frame 4 is trapezoidal, and the left side wall is rotatably installed with sealing door plate through hinged seat, dust removal mechanism 5 is installed in the inside of dustproof frame 4;

[0022] Dust removal mechanism 5 includes two front and rear distributed fixed cylinders 501 fixed to the inside top end surface of dustproof frame 4, the bottom of fixed cylinder 501 is detachably connected with filter cartridge 6 through bolt, rotating ring 503 is slidably sleeved on the outer side wall of fixed cylinder 501, the outer side wall of rotating ring 503 is provided with a tooth, two rotating rings 503 are connected through the tooth, the bottom of rotating ring 503 is provided with fixed rod 601, and the bottom of fixed rod 601 is provided with brush plate 602;

[0023] The top of fixed cylinder 501 is communicated with connecting pipe 8 penetrating the inside top end surface of dustproof frame 4, ventilation pipe 801 is communicated between the other end of two connecting pipes 8, and fan 9 is connected to the outer side wall of ventilation pipe 801 through pipeline.

[0024] In the embodiment, when the powder is conveyed and fed, the worker pours the powder in the powder bag into the lower hopper 3, and then the pneumatic motor 2 is started to rotate the screw conveying rod 201 to convey the powder, so that the powder falls into the powder bin through the discharge pipe 202; when the powder in the powder bag is poured into the lower hopper 3 or the powder is conveyed by rotating the screw conveying rod 201, dust is generated, therefore, in the process, the fan 9 is started to make the airflow carry the dust into the dustproof frame 4, and then the two filter cartridges 6 filter the dust in the airflow; the filtered dust can fall into the lower hopper 3 due to gravity, so as to reduce the dust concentration in the air and effectively reduce the pollution of dust to the production environment.

[0025] When the filter cartridge 6 needs to be cleaned, the motor 7 is started to rotate the two rotating rings 503 and the two brush plates 602 to clean the filter cartridge 6, so as to clean the filter cartridge 6 and restore the filtering performance.

[0026] As a technical optimization scheme of the utility model, the outer side wall of the fixed cylinder 501 is provided with a limiting groove 502, and the inner side wall of the rotating ring 503 is slidably connected with the inner side wall of the limiting groove 502.

[0027] In the embodiment, the limiting groove 502 can limit the rotating ring 503 to prevent the rotating ring 503 from separating from the fixed cylinder 501.

[0028] As a technical optimization scheme of the utility model, the upper end face of the dustproof frame 4 is provided with the motor 7, the output end of the motor 7 penetrates through the upper end face of the dustproof frame 4 and is provided with the gear 701 which is meshingly connected with the front rotating ring 503.

[0029] In the embodiment, the motor 7 is started to rotate the gear 701 to drive the rotating ring 503 which is meshingly connected with the gear 701 to rotate.

[0030] As a technical optimization scheme of the utility model, the brush plate 602 is in the shape of "L", and the bristles abut against the outer side wall of the filter cartridge 6.

[0031] In the embodiment, the bristles of the brush plate 602 abut against the outer side wall of the filter cartridge 6, and when the brush plate 602 rotates, the filter cartridge 6 can be conveniently cleaned.

[0032] As a technical optimization scheme of the utility model, the right side wall of the dustproof frame 4 is provided with the operation panel.

[0033] In the embodiment, the operation panel is electrically connected with the motor 7, the fan 9 and the pneumatic motor 2, so as to conveniently control the operation of each component.

[0034] As a technical optimization scheme of the utility model, the bottom of the conveyor body 1 is provided with the support frame 101.

[0035] In this embodiment: by installing support frame 101, the conveyor body 1 can play a supporting role.

[0036] Working principle: first, use the device, the discharge pipe 202 and the feed pipe of the bin is connected, then the device is connected with external power supply, the powder conveying feeding, the staff open the sealing door plate, the powder bag is placed in the port of the hopper 3, at this time two blocking rod 301 can play a supporting role of the powder bag, facilitate staff to scratch the powder bag, then the powder in the powder bag is poured into the hopper 3, then start the pneumatic motor 2, so that the screw conveyor rod 201 rotation will be transported, so that the powder through the discharge pipe 202 into the bin;

[0037] The powder in the powder bag is poured into the hopper 3 or the screw conveyor rod 201 rotation will be transported, will produce dust, therefore in this process, by starting the fan 9, so that the dust with the airflow into the dust frame 4, then two filter cartridge 6 will be filtered in the airflow dust, filtered after the airflow is discharged through the fixed cylinder 501, connecting pipe 8, ventilation pipe 801 and the air outlet of fan 9, the filtered dust can be due to gravity falls in the hopper 3, so as to realize the effect of dust removal when conveying powder;

[0038] When the filter cartridge 6 needs to be cleaned, close the fan 9 and close the sealing door plate, start the motor 7, so that the gear 701 rotation drive meshing connection with the rotating ring 503 rotation, because two rotating ring 503 meshing connection, therefore one of the rotation can drive another rotation, so that two rotating ring 503 rotation drive two brush plate 602 rotation will be cleaned filter cartridge 6.

[0039] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A pneumatic screw conveyor for powder materials, comprising a conveyor body (1), wherein a pneumatic motor (2) is installed on the left side wall of the conveyor body (1), the output end of the pneumatic motor (2) passes through the left side wall of the conveyor body (1) and is equipped with a screw conveying rod (201), and a discharge pipe (202) is connected to the right end of the bottom of the conveyor body (1), characterized in that: The left end of the upper end surface of the conveyor body (1) is provided with a lower hopper (3), two front and rear distributed blocking rods (301) are arranged between the left and right side walls in the lower hopper (3), the right end of the upper end surface of the lower hopper (3) is provided with a dustproof frame (4), the dustproof frame (4) is trapezoidal in cross section, a sealing door plate is rotatably arranged on the left side wall through a hinge seat, and a dust removal mechanism (5) is arranged in the dustproof frame (4). The dust removal mechanism (5) comprises two front and rear distributed fixed cylinders (501) fixed to the inner top surface of the dustproof frame (4), the bottom of the fixed cylinder (501) is detachably connected with a filter cylinder (6) through bolts, the outer side wall of the fixed cylinder (501) is slidably sleeved with a rotating ring (503), the outer side wall of the rotating ring (503) is provided with a tooth, the two rotating rings (503) are connected through the tooth, the bottom of the rotating ring (503) is provided with a fixed rod (601), and the bottom of the fixed rod (601) is provided with a brush plate (602). The top of the fixed cylinder (501) is communicated with a connecting pipe (8) penetrating through the inner top surface of the dustproof frame (4), the other ends of the two connecting pipes (8) are communicated with a ventilation pipe (801), and the outer side wall of the ventilation pipe (801) is connected with a fan (9) through a pipeline.

2. A pneumatic powder screw conveyor according to claim 1, characterized in that: The outer side wall of the fixed cylinder (501) is provided with a limiting groove (502), and the inner side wall of the rotating ring (503) is slidably connected with the inner side wall of the limiting groove (502).

3. A pneumatic powder screw conveyor according to claim 1, characterized in that: The upper end surface of the dustproof frame (4) is provided with a motor (7), the output end of the motor (7) penetrates through the upper end surface of the dustproof frame (4) and is provided with a gear (701) engaged with the front rotating ring (503).

4. A pneumatic powder screw conveyor according to claim 1, characterized in that: The brush plate (602) is "L"-shaped, and the bristles abut against the outer side wall of the filter cylinder (6).

5. A pneumatic powder screw conveyor according to claim 1, characterized in that: The right side wall of the dustproof frame (4) is provided with an operation panel.

6. A pneumatic powder screw conveyor according to claim 1, characterized in that: The bottom of the conveyor body (1) is provided with a support frame (101). The bottom of the conveyor body (1) is provided with a support frame (101).

Images