Automatic dust collector of air quality sensor
Technical Field
The invention relates to the technical field of automobile part production and processing, in particular to an automatic dust removal device for an air quality sensor.
Background
The automobile is a main travel tool for people, and brings convenience for people to travel. In the process of driving an automobile, harmful gases such as carbon monoxide and formaldehyde discharged by tail gas discharged by the automobile or air conditioners in the automobile are possibly not completely discharged, and a part of the harmful gases exist in the automobile, can seriously affect the health of people in the automobile, and need to detect the air quality in the automobile, wherein an automobile air quality sensor is needed.
An automobile air quality sensor is an important component for monitoring the air condition in an automobile. In the production process of the automobile air quality sensor, the surfaces of air quality sensor products are mostly provided with dust or other scraps, if the products are not subjected to blowing treatment, the product appearance is influenced on one hand, and on the other hand, the air quality sensor can not work normally because the air quality sensor is a precise device, and if dirt on the surface of the air quality sensor enters the interior of the air quality sensor in subsequent packaging and transportation, the performance of the product is greatly influenced, so that the air quality sensor must be subjected to dust removal. The existing mode, mostly manual handheld nitrogen blows rifle and sweeps, and is inefficient, and handles unclean.
Disclosure of Invention
The invention aims to solve the problems and provide an automatic dust removal device for an air quality sensor, which can realize batch and automatic dust removal of the air quality sensor.
The purpose of the invention is realized by the following technical scheme:
an automatic dust removal device of an air quality sensor comprises a workbench, a dust removal mechanism and a belt conveying mechanism, wherein the dust removal mechanism and the belt conveying mechanism are arranged on the workbench;
the dust removal mechanism comprises a cover body, a high-pressure airflow jet unit for sweeping the surface of a workpiece is arranged in the middle of the cover body, the cover body is provided with an inlet and an outlet, and the inlet and the outlet are both provided with a brush cleaning unit;
the belt conveying mechanism comprises a conveying belt, and the conveying belt is horizontally arranged on the table top of the workbench in a transmission manner and penetrates through the dust removal mechanism.
Furthermore, the cover body is covered on the workbench and made of transparent materials (such as acrylic plates), an inlet and an outlet are respectively arranged along the conveying direction of the conveyor belt, and the rest is of a closed structure. The structure effectively avoids the leakage of dust and the pollution to the working environment.
Further, the high-pressure gas flow injection unit comprises a gas nozzle, an electromagnetic control valve and an infrared sensor, the gas nozzle is connected with an external high-pressure gas source device through a pipeline, the electromagnetic control valve is arranged in the pipeline, and the infrared sensor is arranged on the upper portion of the gas nozzle.
The infrared sensor is used for monitoring whether a workpiece passes through the infrared sensor or not and feeding back a signal to the controller, and the controller feeds back the signal to the electromagnetic control valve so as to automatically control air injection and purge the passing workpiece.
The high pressure air source device adopted by the invention comprises high pressure nitrogen and a device (such as Simeka electrostatic dust removal equipment) capable of generating a large amount of positive and negative charge ion airflow, the positive and negative charge ion airflow mixed high pressure nitrogen is blown out at a high speed to neutralize the charges carried on the workpiece, when the charges carried on the surface of the object are negative charges, the positive charges in the airflow can be attracted, and when the charges carried on the surface of the object are positive charges, the negative charges in the airflow can be attracted, so that the static on the surface of the object is neutralized, the purpose of eliminating the static is achieved, and the hard dust (electrostatic adsorption) on the object can be blown away.
Furthermore, two groups of high-pressure airflow injection units are arranged and are arranged at the top of the cover body through a door-shaped bracket.
Further, the high-pressure air flow jet unit pass through adjustable bracket component with door type leg joint, adjustable bracket component includes horizontal support plate, slider, connecting rod and vertical support plate, vertical support plate with door type support movable connection, the connecting rod is installed vertical support plate is last, the slider is installed on the connecting rod, horizontal support plate with the slider is connected, the high-pressure air flow jet unit is installed the horizontal support plate both sides. Through the structure, the position of the high-pressure airflow jet unit can be adjusted according to actual needs, and the purging requirements of different workpieces are met.
Further, the brush cleaning unit consists of a plurality of bristles, metal filaments are mixed in the bristles, and the metal filaments are connected with an external ionization device through conductors. In the work, can be as required to carry on the circular telegram, the positive electricity or the negative electricity, when the work piece surface dust is with static electricity, can effectively make the static on the object surface neutralized, reach the purpose of eliminating static to more effective dust removal.
Furthermore, the dust removal mechanism further comprises a dust collecting hopper which is arranged in the cover body and positioned at the lower part of the workbench, and the dust collecting hopper is connected with an external negative pressure mechanism through a pipeline to timely remove dust.
Further, the belt conveying mechanism further comprises a driving roller, a plurality of guide rollers and a supporting roller, the driving roller is driven by a motor, and the conveying belt circularly moves through the roller assemblies.
Furthermore, the motor adopts a brushless direct current motor, so that the silencing effect is good.
Further, the conveyer belt is arranged in the plurality of hollows.
When the dust removal device works specifically, a workpiece of the air quality sensor to be subjected to dust removal is placed on the conveyor belt manually or by a manipulator, then is automatically conveyed to the dust removal mechanism by the conveyor belt for automatic dust removal, firstly passes through the inlet of the cover body and is cleaned for the first time by the brush cleaning unit, and large-particle debris and impurities and the like can be removed; then secondary blowing is carried out through a high-pressure airflow spraying unit, and most of fine particles such as dust can be removed in the step; and finally, the dust is treated again through the outlet of the cover body and the brush cleaning unit, so that the automatic dust removal process of the workpiece is completed, and the workpiece after dust removal is stored by a worker or a mechanical arm or automatically transferred to subsequent processes such as a packaging production line.
Compared with the prior art, the device can realize automatic and efficient dust removal for the air quality sensor, and particularly can remove dust adsorbed on the surface of a workpiece through static electricity.
Drawings
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a partially enlarged view of the apparatus of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Examples
Referring to fig. 1 and 2, an automatic dust removing device for an air quality sensor comprises a workbench 1, a dust removing mechanism arranged on the workbench 1 and a belt conveying mechanism; the dust removal mechanism comprises a cover body 2, a high-pressure air flow injection unit 3 for purging the surface of a workpiece 13 is arranged in the middle of the cover body 2, the cover body 2 is provided with an inlet and an outlet, and the inlet and the outlet are both provided with a brush cleaning unit 4; the belt conveying mechanism comprises a conveying belt 5, and the conveying belt 5 is horizontally arranged on the table top of the workbench 1 in a transmission manner and penetrates through the dust removal mechanism.
The cover body 2 covers the workbench 1, is made of transparent materials such as acrylic plates, is respectively provided with an inlet and an outlet along the conveying direction of the conveyor belt 5, and is of a closed structure, so that dust leakage is effectively avoided, and the working environment is prevented from being polluted.
The high-pressure gas flow injection unit 3 comprises a gas spray head 7, an electromagnetic control valve and an infrared sensor 8, wherein the gas spray head 7 is connected with an external high-pressure gas source device through a pipeline, the electromagnetic control valve is arranged in the pipeline, and the infrared sensor 8 is arranged at the upper part of the gas spray head 7. The infrared sensor 8 is used for monitoring whether the workpiece 13 passes through or not, and feeding back signals to the controller, and the controller feeds back the signals to the electromagnetic control valve so as to automatically control air injection and purge the passing workpiece 13. The high pressure air source device comprises high pressure nitrogen and a device which can generate a large amount of positive and negative charge ion air flow, such as Simm card electrostatic dust removal equipment, the high pressure nitrogen mixed with the positive and negative charge ion air flow is blown out at high speed to neutralize the charges on the workpiece, when the charges on the surface of the object are negative charges, the positive charges in the air flow can be attracted, and when the charges on the surface of the object are positive charges, the negative charges in the air flow can be attracted, so that the static on the surface of the object is neutralized, the purpose of eliminating the static is achieved, and the hard dust on the object can be adsorbed and blown away.
Two groups of high-pressure air flow injection units 3 are arranged on the top of the cover body 2 through a door-shaped bracket 6. High-pressure air current sprays unit 3 and is connected with door type support 6 through adjustable bracket component, as figure 3, adjustable bracket component includes horizontal support plate 11, slider 12, connecting rod 10 and vertical support plate 9, vertical support plate 9 and door type support 6 movable connection, connecting rod 10 is installed on vertical support plate 9, slider 12 is installed on connecting rod 10, horizontal support plate 11 is connected with slider 12, high-pressure air current sprays unit 3 and installs in 11 both sides of horizontal support plate, through this structure setting, can be according to actual need, the position of adjustment high-pressure air current sprays unit 3, satisfy the demand that sweeps of different work pieces 13.
The brush cleaning unit 4 is composed of a plurality of bristles, metal filaments are mixed in the bristles, and the metal filaments are connected with an external ionization device through conductors. The ionization device can adopt some electrifying equipment, can be electrified according to the needs in work, and is electrified to be positive or negative, when the dust on the surface of the workpiece 13 is charged with static electricity, the static electricity on the surface of an object can be effectively neutralized, the purpose of eliminating the static electricity is achieved, and the dust is removed more effectively.
The dust removing mechanism further comprises a dust collecting hopper 7 which is arranged in the cover body 2 and is positioned at the lower part of the workbench 1, and the dust collecting hopper 7 is connected with an external negative pressure mechanism through a pipeline to timely remove dust.
The belt conveying mechanism further includes a drive roller driven by a motor, a plurality of guide rollers, and a support roller through which the conveyor belt 5 is circulated. The motor adopts a brushless direct current motor, and the silencing effect is good. The conveyor belt 5 is arranged in the plurality of hollows.
The air quality sensor workpiece 13 to be dedusted is placed on the conveyor belt 5 manually or by a manipulator, and then is automatically conveyed to the dedusting mechanism by the conveyor belt 5 for automatic dedusting, firstly passes through the inlet of the cover body 2 and is cleaned for the first time by the brush cleaning unit 4, so that large-particle debris and impurities and the like can be removed; then secondary blowing is carried out through the high-pressure airflow jet unit 3, and most of fine particles such as dust can be removed in the step; and finally, the dust is treated again through the outlet of the cover body 2 and the brush cleaning unit 4, so that the automatic dust removing process of the workpiece 13 is completed, and the workpiece 13 after dust removal is stored manually or by a manipulator or automatically transferred to subsequent processes such as a packaging production line.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.