JP2018001395A - Dust collector with jet air curtain ejector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inner circulation type dust collector utilizing a jet air curtain for suppressing dispersion of cut powders generated during cutting or grinding operation and efficiently collecting the cut powders to enhance hygiene, as well as visibility of an object to be cut during the operation.SOLUTION: A dust collector with jet air curtain ejector comprises: four flat type ejectors (2) each including many jet nozzles, arranged on an upper part of a clean box (1) to form a rectangular shape; and an absorbing device disposed on a lower bottom surface part so as to collect cut chips. Jet air streams ejected from the upper ejectors (2), and directed to an object to be cut moves powder dust generated during cutting downward. During the cutting, the ejected jet air streams form a rectangular jet air curtain to surround the object to be cut, with the air streams preventing the powder dust from flying out of the clean box. The dust collector is configured as an inner circulation type, in which suctioned air is transferred through a cleaning filter to allow the powder dust to be removed, and then, after cleansed, supplied as the jet air by a powerful blower (6) served for both of suction and ejection.SELECTED DRAWING: Figure 1

Description

  The present invention suppresses the scattering of cutting powder generated during cutting and polishing operations, efficiently collects dust, and uses an internal circulation type that uses a jet air curtain to improve hygiene and improve visibility of the cut material during operation. It relates to a dust collector.

In dental practice, cutting and polishing operations are always necessary to adjust the occlusion and denture of the crown and bridge.
In addition, dental materials such as plaster, plastic, ceramic, metal, etc. are used in the chair side and technical room of the doctor's office. Dust is generated during the cutting and polishing of tooth molds and dentures made of these materials. There are concerns about environmental pollution and effects on the health of surgeons and patients.
In recent years, various ideas, such as extra-oral vacuum and air cleaner, have been trial and error in order to improve the hygiene in the medical field.
However, in any existing clean BOX or dust collector, there is no dust collector equipped with a jet / air curtain spray device.

Dust is generated during the cutting and polishing operations in the chair side and the technical room of the clinic, and there are concerns about the contamination of the hygienic environment of the room and the impact on the health of the surgeon and patient.
Various ideas such as clean BOX, extra-oral vacuum, and air cleaner have been tried and improved to improve the hygiene aspect of the medical field. In addition, there has been no dust collector that combines air injection and suction and collects dust generated during cutting and polishing operations by using the power of the airflow like a river flow.
In addition, in the dust collector that uses only the force of the airflow by suction, the force of the airflow is relatively weak, and a part of the cutting piece that gained momentum at the time of cutting may be scattered without being collected.
The present invention collects dust generated during cutting and polishing operations by using the force of jet air to create an air flow like a river flow, and collects dust by improving the visibility of the cut object and the air curtain effect. The present invention provides a dust collector that can simultaneously prevent scattering.

In order to achieve the above object, the present invention takes the following technical means.
Four flat type injection devices having a large number of jet nozzles are installed on the top of the clean BOX so as to have a square shape. A suction device is installed on the bottom bottom so that the cutting powder can be collected.
Jet air is jetted downward from the upper jet device toward the cut object, and dust generated during cutting is moved downward using the force of the airflow.
At that time, the jet air air curtain is jetted so as to wrap around the cut object, and the air flow is set so that the dust does not jump out of the clean BOX.
A suction port for dust collection with a mesh-like partition wall is installed at the lower part facing each other so that the cut object will not be sucked even if it falls.
The air containing the inhaled dust is purified by removing dust through a clean filter, and then is made into an internal circulation type that is supplied again to jet air by a powerful air blower that combines suction and ejection.

The following advantages can be considered by using the newly developed dust collector with jet / air curtain injection device.
(1) By removing the cutting dust with a jet air curtain, the visibility of the cut object is improved and work can be performed efficiently.
(2) Since the dust is collected so that the dust is wrapped in the air current of the jet air curtain, the working environment is kept hygienic because the dust does not leak from the clean BOX.
(3) Because of the internal circulation type, the collected dust can be treated efficiently.
(4) The hygienic environment in the clinic can be prevented from being contaminated.
By using the newly developed dust collector with jet / air curtain spraying device, dust generated during cutting and polishing can be collected efficiently, and the visibility of the cut material is improved to improve work efficiency and hygiene in the clinic. It is thought that the environment is kept clean.

It is a perspective view of the dust collector with a jet air curtain injection device of the present invention. It is a perspective view of the jet air curtain injection device of the present invention.

Form for practicing the invention

Hereinafter, a practical form of the present invention will be described in detail with reference to the drawings. In FIG. 1, the structure of a dust collector with a jet / air curtain injection device is a jet / air curtain injection device ( Set 2) 4) so that it becomes a square. In addition, a suction port is installed on the bottom bottom so that cutting powder can be collected.
Adjusted so that the air jetted from the flat type jetting device equipped with many jet nozzles flows downwards so as to wrap the cut material in a curtain shape and sucked into the suction port. To do.
A suction port for dust collection with a mesh-like partition wall is installed at the lower part facing each other so that the cut object will not be sucked even if it falls.
The air containing dust sucked in from the suction port is separated cleanly through a clean filter, and then sent again to the jet / air curtain jet device through the blower pipe by a powerful blower that combines suction and ventilation. Injected as air.
FIG. 2 shows a flat type injection apparatus having a large number of jet nozzles.

1 Clean BOX
2 Flat type injection device equipped with many jet nozzles 3 Blower tube 4 Suction port 5 Suction tube 6 Blower device 7 Portion of hand when working

Claims (3)

  The present invention relates to a dust collector using a jet / air curtain for efficiently collecting dust by suppressing scattering of cutting powder generated during cutting and polishing operations, and improving hygiene and visual recognition of a cut material during the work. Four flat type injection devices having a large number of jet nozzles are installed on the top of the clean BOX so as to have a square shape. A suction device is installed on the bottom bottom so that the cutting powder can be collected.
Jet air is jetted from the upper jet device toward the workpiece to move the dust generated during cutting downward.
At that time, it is set so that a rectangular jet / air curtain is sprayed so as to wrap around the cut object to create a flow of air current so that dust does not jump out of the clean BOX.   The air containing the inhaled dust is purified by removing dust through a clean filter, and then is made into an internal circulation type that is supplied again to jet air by a powerful air blower that combines suction and ejection.

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