KR200364238Y1 - The movable dust collector - Google Patents

Abstract

The present invention relates to a mobile dust collector for collecting fine particles in the polishing operation of small workpieces.

Mobile dust collector of the present invention, the front and rear door 11A is provided, the inside is divided into the upper and lower spaces (R _U ) (R _D ), the main body case 11 on the rectangular enclosure combined with the wheels for movement (w) )Wow; Hinge coupled to one side of the upper end of the main body case, and a downward open type opening and closing case 12 having the water inlet (H ₂ ) on both sides; An optical sensor 13 attached to an opposite inner surface of the opening / closing case; A suction duct 14 which protrudes to an upper surface of the main body case and extends downward to a bottom surface of the separating plate P ₁ in the main body case; An upwardly open filter 15 having an upper surface detachably attached to a bottom surface of the body case separating plate P ₁ ; A bottom surface is in close contact with an upper surface of the main body case separating plate P ₁ , and a suction tube 16 to which a suction motor M is coupled; A silencer 17 connected to the suction tube 16; One end is connected to the silencer 17, and is composed of an exhaust duct 18 penetrating the side wall of the main body case.

Mobile dust collector of the present invention has the advantage of minimizing the outflow and noise generation of the fine particles, and can be polished regardless of the location of the work place.

Description

Movable dust collector {The movable dust collector}

The present invention relates to a mobile dust collector, more specifically, it can effectively collect the fine dust generated during the grinding work of small workpieces such as dentures, implants, and other dental prosthesis, and move easily regardless of the processing site At the same time, the built-in silencer and sound-absorbing material minimize the noise generated from the dust collecting motor, not only to harm the working environment, but also to automatically operate only during the operation of the mobile dust collector which prevents unnecessary power consumption.

In order to solve the problem of harming the human body caused by various processes in the industrial field and floating in the air, the micro particles are collected by inhaling air containing a large amount of fine particles generated in each process and passing through a filter. Dust collectors for discharging clean air from the air to the atmosphere are the most basic anti-pollution devices on industrial sites.

As described above, dust collectors for collecting the fine particles contained in the air are classified into various types such as mechanical, electrical, dry, and wet according to the principle of operation, and the most widely used representative dust collectors are bag filters. Can be.

The bag filter is a large-capacity dust collector suitable for a facility where most of the fine particles are concentrated and discharged through a specific place such as a charging furnace or a combustion gas outlet into which a charge into the furnace is input, such as various heating furnaces. It is not only suitable for certain equipments but also for all equipments. Especially, it is not easy to apply to the processing of small parts with small amount of fine dust.

For example, if the grinding work is performed to improve the dimensional accuracy of various dental work pieces, which are small workpieces such as dentures and various prostheses, but are adjacent to each other, such a bag filter may not be applied at all. Can't.

However, fine particles are inevitably generated even in the above-mentioned polishing work of small workpieces, and even if the amount is small, it is fatal to the workers who repeatedly polish for a long time by accumulating fine particles in the body by repeated suction. You might get

Therefore, in the small workpiece polishing workshop as described above, the suction duct branched to various places in the workshop is fixed to remove the fine particles by supplying fresh air to the workplace while sucking the air in the workplace where the fine particles are suspended. It is common to do

However, in the case of using the fixed suction duct as described above, since the suction duct can only be located to some distance from the place where the polishing operation is performed, the worker can reduce the suction of fine particles, but cannot be completely excluded. In order to improve the suction efficiency of the fine particles by the suction duct, the positional constraint that the grinding work should be as close to the suction port of the suction duct as possible.

In order to solve the problems of the suction duct type fine particle removal method as described above, a mobile dust collecting device capable of coupling a duct provided with a hood for inducing fine particles is disclosed in Korean Utility Model Registration No. 0310134.

The dust collecting device has an outer shape on the enclosure, and is provided with wheels on the bottom thereof and is movable, and the dust collecting device is used by combining a hood with a duct. Since it is easy to move, there is an advantage that can efficiently collect fine particles.

However, due to the characteristics of the duct type fine particle collection method performed directly under the hood where the polishing operation is exposed to the outside, all the fine particles generated during the polishing operation cannot be collected through the hood.

In other words, some of the fine particles generated directly under the hood is dispersed in the atmosphere and the problem is still absorbed by the worker through the breath.

In addition, the dust collector, which is movable as described above, including a household vacuum cleaner, has a powerful suction motor embedded therein, unlike a bag filter in which a drive system is installed outside the workplace, generates noise by a motor in the workplace. In addition to harming the environment, there is a problem in that the dust collector continues to operate even when the polishing operation is temporarily stopped during polishing, resulting in unnecessary power consumption.

The present invention was devised to solve all the problems of the conventional fine particle collecting device for collecting fine particles generated during the polishing of small workpieces. In addition to minimizing dispersion into the atmosphere, it also significantly reduces air intake noise and exhaust noise generated by the motor, as well as providing a mobile dust collector that can be stopped during temporary work stoppages to prevent unnecessary power consumption. There is a purpose of the present invention.

1 is a perspective view of an embodiment of the present invention mobile dust collector.

Figure 2 is a perspective view of a mobile dust collector according to an embodiment of the present invention showing the opening and closing door and the open door.

Figure 3 is a partial cutaway perspective view of an embodiment of the present invention removable dust collector.

Figure 4 is a side cross-sectional view of an embodiment of the present invention mobile dust collector.

5 is a perspective view of a blocking film constituting the present invention mobile dust collector.

((Explanation of symbols for main part of drawing))

11. Body Case 11A. Open Door 12. Opening and Closing Case

13. Light sensor 13A. Light emitter 13B. Receiver

14.Suction duct 15.Filter 16.Suction tube

17. Silencer 18. Exhaust duct

A. Sound absorbing material B. Bolt C. Air flow path

F. Flange G. Clear Window H ₁ . Through hole

H ₂ . Inlet H ₃ . Small diameter inlet H ₄ . Buffer

M. Suction Motor P ₁ . Separator P ₂ . Tops

p. Suction tube R _D. Subspace R _U. Upper space

R _W. Workspace r. Rim S _U. Top

V. Barrier W. Sidewalls w. wheel

The object of the present invention is achieved by a downwardly open type opening and closing case, a silencer and a sound absorbing material, and an optical sensor, which provide a working space that is blocked from the outside except for an inlet port.

In the mobile dust collector of the present invention, a small work piece is polished, but a work space that is blocked from the outside except the intake port and the suction port for inhaling the fine particles is minimized, thereby minimizing the outflow of fine particles generated during the polishing work. A sound absorbing material and a silencer are used to reduce the operating noise and the discharge noise of the suction motor which sucks the fine particles through the suction port, and an optical sensor for detecting the presence or absence of the hand in the working space through the inlet port. In combination with the structural features of the present invention.

The mobile dust collector of the present invention is hingedly coupled to one side of the front door, the separation plate formed with a through hole in the center portion is installed in the upper and lower direction of the inner space in the inner space of the main body case partitioned into two stages The suction motor and the silencer are coupled to the upper space, and the cylindrical filter is installed in the lower space of the main body case.

In addition, a suction pipe for sucking fine particles is installed directly on one side of the upper surface of the main body case, and an intake duct serving as a passage of suction air (fine particle-containing air) sucked into the suction tube is located in the upper space of the upper part of the main body case. By extending to the bottom of the separation plate through the connection between the work space formed on the upper surface of the main body case and the lower space of the main body case.

In addition, one side of the upper surface of the main body case is hinged to open and close the downward opening and closing case to form a work space for processing a small workpiece between the inside of the downward opening and closing case and the upper surface of the main body case, the opposite of the opening and closing case Both side walls are provided with inlets for putting hands into the work space from the outside, and when the closing case is closed, its lower surface is in close contact with the rim of the upper surface of the main body case. Except for the suction pipe and the working space between the opening and closing case and the main body case is a structure that is sealed to the outside.

That is, the mobile dust collector of the present invention configured as described above, after the fine particles generated in the work space inside the opening and closing case is moved to the lower space of the lower case of the main body through the suction pipe, the filter and the separation plate mounted in the lower space of the main body are penetrated. The ball is sucked into the upper space of the main body case.

In the process of moving the suction air from the lower space of the main body case to the upper space, the fine particles filtered by the filter accumulate on the bottom of the lower space, and the purified air filtered by the fine particles is sucked in the lower space of the main body case. After moving to the suction tube of the installed upper space is discharged to the outside through a silencer.

Purified air from which fine particles are removed as described above is discharged in a state in which exhaust noise is reduced through a silencer. The silencer is a basic device that is widely used to reduce the noise of exhaust gas emitted from an internal combustion engine or a ventilation device. It is also called a muffler for automobiles and a silencer for others.

The muffler has an outer shape on the metal enclosure, and diffuses the discharge singer into a large space through a plurality of small holes formed in the inflatable, small diameter pipe which diffuses the exhaust gas from the small diameter pipe into a large space and makes the sound small. A resonance formula that cancels the generated sounds from each other, an absorption type that absorbs the sound by passing the exhaust gas inside a thin threaded metal wool, and a partition wall type that makes the sound smaller while passing through a plurality of partition walls having a plurality of small holes. There are branches, and any kind of thing may be used for the dust collector of the present invention.

As described above, a processing operation such as a polishing operation for generating fine particles in the dust collector of the present invention that sucks and removes the fine particles is performed in a work space formed between the upper surface of the main body case and the inner surface of the downward open type opening / closing case. In order to work, both hands holding small workpieces and grinders should be put into the work space through the two inlets on both sides of the opening and closing case. If the light sensor installed on the side detects that there is a hand in the work space, the suction motor is activated. If the hand is not put in the work space, the suction motor stops, so that the suction motor only works when the work is made in the work space. Is operated to eliminate unnecessary power consumption.

The details of the purpose and technical constitution according to the present invention, including the effect thereof, will be clearly understood by the following description with reference to the drawings showing preferred embodiments of the present invention.

1 is a perspective view of a mobile dust collector according to the present invention, FIG. 2 is a perspective view of a mobile dust collector according to an embodiment of the present invention showing an open / closed gate and an opening door in FIG. Side cross-sectional view of the present invention mobile dust collector is shown.

As shown in the mobile dust collector of the present invention, the door 11A is hingedly coupled to one end of the front, and the inner space is lower space (R _D ) by the separating plate (P ₁ ) formed in the center of the through hole (H ₁ ) ) And a main body case (11) in a quadrangular enclosure (11) which is divided into upper and lower two stages of the upper space (R _U ) to which the suction material (A) is attached to the inner surface, and four moving wheels (w) are coupled to the four corners of the lower surface. )Wow;

The lower end of any one side wall of the two pairs of side walls (W) that meet each other perpendicular to each other and form a parallel cross-section of each pair in parallel is hinged to one side of the upper end of the main body case 11 so that the lower surface of the side wall (W) The upper surface S _U of the main body case 11 is detachably in close contact with each other and is disposed on two opposing side walls perpendicular to the hinged side wall of the side walls W standing upright of the upper edge of the main body case 11. Water inlets (H ₂ ) that can be put into each is formed, extending from the upper end of the side wall (W) upright along the upper edge of the body case 11 is formed extending inward to the upper plate (P ₂ ) to seal the upper end An opening / closing case 12 of a downwardly open type enclosure having a transparent window G made of glass or the like so that the internal space that becomes the working space R _W can be seen from the outside;

The light emitter 13A which is perpendicular to the sidewall of the opening / closing case 12 in which the water inlet H ₂ is formed, is attached to opposite inner surfaces of two opposing sidewalls adjacent to one side of the inlet side, and emits light to detect light. An optical sensor 13 composed of 13B;

A suction pipe (p) facing forward is coupled to an upper end portion penetrating the rear of the upper surface (S _U ) of the main body case (11) and protruding into the work space (R _W ), and blocked with the upper space (R _U ) of the main body case. It extends downward from the upper end to the bottom of the separating plate (P ₁ ) coupled to the inside of the main body case through the upper space of the main body case 11 to connect the work space (R _W ) and the lower body space (R _D ) An intake duct 14 having an air flow path C;

The upper surface is detachably coupled to the bottom of the separating plate P ₁ so that the through hole H ₁ of the separating plate P ₁ installed inside the main body case 11 is located at the inner diameter, and the bottom surface is closed. An upward open cylindrical filter 15;

And a contact coupling the bottom surface to the top surface of the through hole (H _1), the separating plate (P ₁₎ is to be located on the inner diameter portion of the separating plate (P ₁₎ provided inside the main body case 11, a suction motor to the upper surface (M A suction container 16 on the enclosure to which is coupled;

A silencer 17 connected to one side of the suction tube 16;

One end is connected to one side of the silencer 17, and the other end is composed of an exhaust duct 18 penetrating one side wall of the main body case (11).

In addition, the mobile dust collector of the present invention is provided with a main switch for applying power in addition to the above components, a controller for controlling the operation of the suction motor by an optical sensor, electrical wiring, and the like. As a basic and natural component to be basically provided to operate, the description is omitted for convenience.

In order to improve the suction efficiency of the fine particles in the mobile dust collector according to the present invention configured as described above, it is necessary to increase the sealing property of the work space in which the grinding work is performed, which is the sealing property to the upper surface of the main body of the lower surface of the opening and closing case and the inlet and inner circumferential surface between the arms It depends on the size of the gap inevitably formed in the bar, looking at the method for reducing the gap between the opening and closing the inner surface of the opening case and the gap between the inlet and the arm.

In order to increase the sealing property of the bottom of the opening and closing case to the upper surface of the main body case, it is desirable to increase the contact area of the lower surface of the opening and closing case, the vertical side is bent inward from the lower end of the side wall of the opening and closing case close to the upper edge of the main body case To form the flange (F) to extend, attach a soft sealing material (not shown) in close contact with the upper edge of the main body case along the bottom of the flange (F), and repeatedly opening and closing the case firmly on the upper surface of the main body case It is preferable to provide a fixing means between the opening and closing case and the main body case, such as the bolt (B) that can be tightly fixed.

And, in order to be able to freely grind work in the inner working space of the rigid chain opening and closing case, the hand holding the workpiece and the grinder should be able to be freely put in or removed from the working space. Increasing the size of the inlet also increases the gap between the inner circumferential surface of the inlet and the arm, thereby increasing the outflow of the fine particles.

Therefore, as shown in FIG. 5, at least three buffer holes H ₄ are provided at the same distance with respect to the small diameter inlet H ₃ formed in the center, and are cut from the small inlet inlet to each of the buffer holes. It is preferable that the inlet port and each buffer port are connected, and the barrier film V made of a soft material having elasticity such as rubber is bonded to the inlet port.

That is, when thereby tightly bonding the edge portion (r) of the protection film (V) to the adjacent side wall (W) the inner surface or the outer surface of the ipsugu (H ₁₎ with a focus on ipsugu (H ₁₎ of kaepye case, the small-diameter of the blocking Since the inlet can be opened to the buffer opening, the user can freely insert or remove the hand, and the inner circumferential surface of the small inlet opening that has been opened with the hand in contact with the arm elastically minimizes the gap between the small inlet and the arm.

In this case, the buffer provided in the blocking film serves to prevent the cutout portion split outward from the small diameter inlet by repeated use to extend beyond the length of the buffer.

As described above, the mobile dust collector of the present invention is in a state where the polishing space of the small workpiece is almost sealed with the outside, and the sound absorbing material and the silencer are used together, thereby minimizing the outflow and noise generation of the fine particles generated during the polishing operation. It is easy to move, and there is an advantage that grinding work is possible without being restricted to the working place.

Claims (4)

In the mobile dust collector, the opening and closing door (11A) is hinged to one side of the front side, the interior is divided into the lower space (R _D ) and the upper space (R _U ) by the separating plate (P ₁ ) formed through holes (H ₁ ). Compartment, the main body case 11 on the rectangular housing coupled to the moving wheel (w) on the bottom; The upper plate P ₂ coupled to the upper part of the main body case 11 by a hinge rotation and forming an upward inclined surface toward the rear is provided with a transparent window G, and an inlet port H ₂ is provided at each side wall. An opening and closing case 12 formed therethrough; An optical sensor (13) composed of a light emitter (13A) and a light receiver (13B) attached to opposite inner surfaces of two opposing sidewalls perpendicular to the sidewall on which the water inlet (H ₂ ) is formed; A suction duct 14 coupled to an upper end protruding through the upper surface S _U of the main body case 11, and a suction duct 14 extending downward from the upper end to a bottom of the separator plate P ₁ ; An upwardly open filter 15 in which an upper surface is detachably in close contact with a bottom surface of the separating plate P ₁ such that the through hole H ₁ of the main body case 11 separating plate P ₁ is located at an inner diameter portion; The bottom surface is in close contact with the upper surface of the separation plate (P ₁ ) so that the through hole (H ₁ ) of the main body case (11) separation plate (P ₁ ) is located in the inner diameter portion, the suction motor (M) is seated on the upper surface Barrel 16; A silencer 17 connected to one side of the suction tube 16; One side end is connected to the silencer (17), and the other end is a mobile dust collector characterized in that it comprises an exhaust duct (18) passing through the side wall of the main body case (11). The mobile dust collector of claim 1, wherein a sound absorbing material is attached to an inner surface of the upper space R _{U in} the main body case 11. The mobile dust collector of claim 1, wherein a flange (F) which is bent inwardly is formed at a lower end of the side wall (W) of the opening / closing case (12). According to claim 1, The opening and closing case 12 is connected to any one of the inner and outer surfaces of the side wall (W) centered on each of the inlet (H ₂ ), the small diameter inlet (H ₃ ) of the central portion Mobile dust collector, characterized in that the three or more buffer holes (H ₄ ) is provided and additionally attached to the blocking film (V) made of an elastic soft material.