CN110976464A

CN110976464A - Dust collecting device

Info

Publication number: CN110976464A
Application number: CN201911293671.0A
Authority: CN
Inventors: 周井玲; 陈洋; 周锦斌; 吴国庆; 梅梅; 张旭东; 胡祖辉; 尹茂; 张坤
Original assignee: Nantong University
Current assignee: Nantong University Technology Transfer Center Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-04-10
Anticipated expiration: 2039-12-16
Also published as: CN110976464B

Abstract

The invention relates to a dust collecting device, when the dust in a collecting tank reaches a certain weight, an electromagnet is powered off, a joint moves upwards under the action of elastic force to be separated from a tank opening of the collecting tank, a fixed rod is inserted into a through hole in the joint to block the joint, then a turntable rotates by an angle to enable an empty collecting tank to be opposite to the joint, meanwhile, subsequent dust is accumulated in a telescopic pipe to enable the telescopic pipe to stretch by overcoming the elastic force until the joint is inserted into the tank opening of the empty collecting tank, the electromagnet is powered on to enable the joint to be attracted with the tank opening, and at the moment, the fixed rod is completely separated from the through hole to enable the joint to be conducted with the interior of the collecting tank, so that the collecting tank is; in addition, the air bag is arranged on the outer wall of the joint, particularly the outer wall of the air bag can be arranged on the inner wall of the tank opening to adapt to the frosted surface with fine particles, and the sealing between the outer periphery of the joint and the tank opening can be kept.

Description

Dust collecting device

Technical Field

The invention relates to a dust collecting device.

Background

In recent years, the construction industry is rapidly developed, the using amount of cement is increased, cement dust is inevitably generated in the production and transportation process of enterprises, the cement dust is harmful to the health of related personnel after being sucked, potential safety hazards are caused in the production due to the diffusion of the cement dust, and therefore dust removal and collection are more important. When the existing corresponding dust collecting device is used for replacing a dust container, the dust container is usually required to be stopped and then manually replaced, the operation efficiency is low, and dust invasion can still be caused to operators in the link.

Disclosure of Invention

The invention aims to solve the problems and provides a dust collecting device suitable for automatically replacing a dust collecting container, which is realized by the following technical scheme:

a dust collecting device comprises a base, a rotary table driving mechanism, a plurality of collecting tanks, a joint and a telescopic pipe, wherein the rotary table is rotatably arranged on the base, the collecting tanks are uniformly arranged on the rotary table, the rotary table driving mechanism comprises a motor, a driven plate, a driving plate and a pin rod, the driven plate is coaxially connected with the rotary table, a plurality of arc grooves are uniformly distributed at the edge of the driven plate, and the centers of the adjacent arc grooves are provided with straight grooves extending in the radial direction; the driving plate is circular, the radius of the driving plate is equal to that of the arc groove, the driving plate is rotatably arranged on one side of the driven plate, part of the edge of the driving plate is arranged in the arc groove, the motor is in driving connection with a rotating shaft of the driving plate, the pin rod is arranged at the edge part of the driving plate, and when the driving plate continuously rotates, the pin rod enters the straight groove to push the driven plate to rotate, then slides out of the straight groove and then enters the other straight groove, so that the driven plate is driven to intermittently rotate; a horizontal fixed plate is arranged above the collecting tank, the telescopic pipe is vertically suspended at the lower side of the fixed plate and is positioned above the collecting tank, the joint is arranged below the telescopic pipe, and the upper side of the joint is elastically connected with the fixed plate through a spring; the upper part of the telescopic pipe is butted with a fixed pipe fixedly arranged on a fixed plate, and the center inside the fixed pipe is fixedly provided with a fixed rod which extends downwards and is inserted into the telescopic pipe; the joint is columnar, and a through hole is formed in the center of the joint; the fixed rod is opposite to the through hole, and when the telescopic pipe contracts, the fixed rod is inserted into the through hole so that the joint is blocked; an electromagnet opposite to the edge of the tank opening of the collecting tank is arranged on the outer side of the joint; and the turntable is provided with weighing sensors positioned below the collecting tanks.

The dust collecting device is further designed in that a transverse connecting plate is arranged at the upper end of the joint, a hole in butt joint with the telescopic pipe is formed in the middle of the connecting plate, and the upper side face of the connecting plate is elastically connected with the fixing plate through the spring; the electromagnet is arranged on the lower side surface of the connecting plate.

The dust collecting device is further designed in that a cylindrical air bag is sleeved on the side face of the middle of the joint in a hooping mode, and the air bag is connected with an external air source.

The dust collecting device is further designed in that the diameter of the lower part of the joint is equal to the diameter of the opening of the collecting tank, and the outer edge of the lower end of the joint is provided with a chamfer.

The dust collecting device is further designed in that a positioning ring opposite to the electromagnet is arranged on the outer wall of the upper end of the collecting tank.

The invention has the beneficial effects that: when the dust in the collecting tank reaches a certain weight, the electromagnet is powered off, the joint moves upwards under the action of the elastic force to be separated from the tank opening of the collecting tank, the fixing rod is inserted into the through hole in the joint, so that the joint is blocked, then the turntable rotates by an angle to enable the empty collecting tank to be opposite to the joint, meanwhile, the subsequent dust is accumulated in the telescopic pipe, so that the telescopic pipe extends by overcoming the elastic force until the joint is inserted into the tank opening of the empty collecting tank, the electromagnet is powered on to enable the joint to be attracted with the tank opening, and at the moment, the fixing rod is completely separated from the through hole to enable the joint to be conducted with the interior of the collecting tank, so; in addition, the air bag is arranged on the outer wall of the joint, particularly the outer wall of the air bag can be arranged on the inner wall of the tank opening to adapt to the frosted surface with fine particles, and the sealing between the outer periphery of the joint and the tank opening can be kept.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic structural view of the turntable driving mechanism.

Fig. 3 is a partial structure schematic diagram of the joint and the tank opening.

Detailed Description

The invention is further illustrated by the following figures and examples in conjunction with the description:

as shown in fig. 1-3, a dust collecting device comprises a base 1, a turntable 2, a turntable driving mechanism 3, four collecting tanks 4, a joint 5 and a telescopic pipe 6, wherein the turntable is rotatably arranged on the base, a plurality of collecting tanks are uniformly arranged on the turntable, the turntable driving mechanism 3 comprises a motor 31, a driven plate 32, a driving plate 33 and a pin rod 34, the driven plate is coaxially connected with the turntable, four arc grooves are uniformly distributed on the edge of the driven plate, and the centers of adjacent arc grooves are provided with straight grooves extending in the radial direction; the driving plate is circular, the radius of the driving plate is equal to that of the arc groove, the driving plate is rotatably arranged on one side of the driven plate, part of the edge of the driving plate is arranged in the arc groove, the motor is in driving connection with the rotating shaft of the driving plate, the pin rod 34 is arranged on the edge of the driving plate, and when the driving plate rotates continuously, the pin rod enters the straight groove to push the driven plate to rotate, then slides out of the straight groove and then enters the other straight groove, so that the driven plate is driven to rotate intermittently.

A horizontal fixed plate 7 is arranged above the collecting tank 4, the telescopic pipe is vertically suspended at the lower side of the fixed plate and is positioned above the collecting tank, the joint is arranged below the telescopic pipe, and the upper side of the joint 5 is elastically connected with the fixed plate through a spring 71; the upper part of the extension tube 6 is butted with a fixed tube 72 fixedly arranged on a fixed plate, the center inside the fixed tube 72 is suspended and fixedly provided with a fixed rod 73 which extends downwards and is inserted into the extension tube, the fixed tube keeps a conduction state with the extension tube, and the other end of the fixed tube is connected with a collected dust source pipeline; the joint 5 is columnar, and the center of the joint is provided with a through hole 51; the fixed rod is opposite to the through hole, and when the telescopic pipe contracts, the fixed rod is inserted into the through hole so that the joint is blocked; the outer side of the joint is provided with an electromagnet 8 opposite to the edge of the tank opening of the collecting tank; the turntable is provided with load cells (not shown) located below the respective collection tanks.

When the signal that outputs at weighing sensor shows dust in the collecting tank and reaches certain weight, the electro-magnet cuts off the power supply, connect and go upward under the spring action and break away from the jar mouth of collecting tank, and the dead lever inserts in the through-hole that connects, make the joint by the shutoff, then the carousel rotates an angle and makes vacant collecting tank relative with the joint, meanwhile, subsequent dust is accumulated in flexible pipe and is made flexible pipe overcome elasticity and extend until the joint inserts in the jar mouth of vacant collecting tank, the electro-magnet circular telegram makes joint and jar mouth actuation, the dead lever breaks away from the through-hole completely this moment and makes joint and collecting tank inside switch on, so realize the automatic collecting tank of changing, avoid manual operation

Specifically, the upper end of the joint 5 is provided with a transverse connecting plate 52, the middle part of the connecting plate is provided with a hole butted with the telescopic pipe, and the upper side surface of the connecting plate is elastically connected with the fixed plate 7 through a spring; the electromagnet 8 is arranged on the lower side surface of the connecting plate.

The side surface of the middle part of the joint is provided with a cylindrical air bag 9 which is sleeved with a hoop and is connected with an external air source. The air bag is arranged on the outer wall of the joint, particularly the outer wall of the air bag can be arranged on the inner wall of the tank opening to adapt to a frosted surface with fine particles, and therefore the sealing between the periphery of the joint and the tank opening can be kept.

In order to facilitate the insertion of the joint into the mouth of the catchment tank, the diameter of the lower part of the joint is equal to the diameter of the mouth of the catchment tank and the outer edge of the lower end of the joint is provided with a chamfer.

In addition, the outer wall of the upper end of the collecting tank 4 is provided with a positioning ring 41 opposite to the electromagnet, so that the electromagnet can conveniently enter the positioning ring to ensure accurate butt joint of the joint.

Claims

1. A dust collecting device is characterized by comprising a base, a rotary table driving mechanism, a plurality of collecting tanks, a joint and a telescopic pipe, wherein the rotary table is rotatably arranged on the base, the collecting tanks are uniformly arranged on the rotary table, the rotary table driving mechanism comprises a motor, a driven plate, a driving plate and a pin rod, the driven plate is coaxially connected with the rotary table, a plurality of arc grooves are uniformly distributed at the edge of the driven plate, and straight grooves extending in the radial direction are arranged in the centers of the adjacent arc grooves; the driving plate is circular, the radius of the driving plate is equal to that of the arc groove, the driving plate is rotatably arranged on one side of the driven plate, part of the edge of the driving plate is arranged in the arc groove, the motor is in driving connection with a rotating shaft of the driving plate, the pin rod is arranged at the edge part of the driving plate, and when the driving plate continuously rotates, the pin rod enters the straight groove to push the driven plate to rotate, then slides out of the straight groove and then enters the other straight groove, so that the driven plate is driven to intermittently rotate; a horizontal fixed plate is arranged above the collecting tank, the telescopic pipe is vertically suspended at the lower side of the fixed plate and is positioned above the collecting tank, the joint is arranged below the telescopic pipe, and the upper side of the joint is elastically connected with the fixed plate through a spring; the upper part of the telescopic pipe is butted with a fixed pipe fixedly arranged on a fixed plate, and the center inside the fixed pipe is fixedly provided with a fixed rod which extends downwards and is inserted into the telescopic pipe; the joint is columnar, and a through hole is formed in the center of the joint; the fixed rod is opposite to the through hole, and when the telescopic pipe contracts, the fixed rod is inserted into the through hole so that the joint is blocked; the outer side of the joint is provided with an electromagnet opposite to the edge of the tank opening of the collecting tank, and the rotary table is provided with weighing sensors positioned below the collecting tanks.

2. The dust collecting device of claim 1, wherein a transverse connecting plate is arranged at the upper end of the joint, a hole butted with the telescopic tube is arranged in the middle of the connecting plate, and the upper side surface of the connecting plate is elastically connected with the fixing plate through the spring; the electromagnet is arranged on the lower side surface of the connecting plate.

3. A dust collecting device as claimed in claim 1, wherein the connector is provided with a cylindrical air bag on the middle side, and the air bag is connected to an external air source.

4. A dust collecting device as claimed in claim 1, wherein the diameter of the lower part of the joint is equal to the diameter of the mouth of the collecting vessel and the outer edge of the lower end of the joint is provided with a chamfer.

5. A dust collecting device as claimed in claim 1, wherein the outer wall of the upper end of the collecting vessel is provided with a positioning ring opposite to the electromagnet.