KR102284777B1 - Apparatus for polishing of rolling brush - Google Patents

Abstract

The present invention relates to a polishing apparatus for a rotary brush for toothbrush, comprising: a first base member seated and supported on a bottom surface; 1 An actuator installed on the rear side of the base member to reciprocate the first drive motor in the front and rear directions, and an abrasive member connected to and interlocked with the first drive motor, the abrasive member having an empty space therein so that the rotary brush enters and exits. wealth; A second base member disposed in parallel with the rotary abrasive unit and supported by being seated on a floor surface, a second driving motor fixedly installed on the second base member, and the second driving motor are connected and interlocked a brush chucking unit comprising a chucking member to which the rotating brush is detachably fixed; It includes a connection pipe connected from one side, a dust removal unit consisting of a pump installed on the connection pipe, and a dust collection tank installed at the end of the connection pipe.

Description

[0001] Apparatus for polishing of rolling brushes for toothbrushes

The present invention relates to a polishing apparatus for a rotary brush for toothbrushes, and more particularly, to a polishing apparatus for a rotary brush for toothbrushes for rounding the bristle ends of a cylindrical rotary brush mounted on an electric toothbrush.

In general, a toothbrush is a tooth cleaning tool that removes foreign substances attached to teeth or protects from harmful bacteria. Electric toothbrushes are being used.

Methods of using a toothbrush include the scraping method in which the toothbrush is placed in a reciprocating motion against the teeth, the Bass method in which the teeth are tilted at an angle of about 45 degrees and vibrated back and forth between the teeth, and the toothbrush is placed on the teeth and gums. There are methods such as up-down or circular motion.

Among the methods of using such toothbrushes, the bath method, up and down or circular motion methods have the advantages of relatively excellent cleaning properties and reducing gum damage, but are difficult to do due to the muscular structure of the hands and arms, and improper brushing habits Familiar users have a disadvantage in that it is difficult to easily learn a suitable brushing method.

To this end, in recent years, electric toothbrushes for keeping teeth clean and healthy by rotating the brush unit left and right using the motor's motion characteristics have been developed and spread.

Korean Patent Laid-Open No. 10-2018-0137793 (name: electric toothbrush) discloses an electric toothbrush having an improved coupling structure between a drive shaft and a toothbrush rest or a toothbrush rest and a brush.

1 is a perspective view showing the electric toothbrush disclosed in Korean Patent Application Laid-Open No. 10-2018-0137793. As shown, the conventional electric toothbrush 10 is installed in a case 20 and driven by a motor. A configuration comprising a driving unit, a pair of toothbrush rests 30 coupled to the driving unit to transmit rotational force, and a pair of brushes 50 rotated by the pair of toothbrush rests 30 to clean teeth consists of

Here, a pair of brushes 50 are provided with a plurality of teeth 54 radially over the circumferential surface of the support 52, as shown in FIG. The base 52 is rotated in conjunction with each other, and thus the radial teeth 54 are rotated to clean the teeth.

The end of the bristles 54 rotating in the rotating brush 50 is in direct contact with the teeth and gums, so that the so-called blunt, that is, abrasive processing must be performed in a rounded shape, the bristles 54 of the rotating brush 50 ) were installed radially over the circumferential surface of the post 52 as described above, there was a problem that the grinding process was not easy.

Korean Patent Publication No. 10-2018-0137793 (2018.12.28.)

The present invention has been devised in view of the above problems, and the technical problem to be solved by the present invention is to simply and quickly grind the bristle end of a cylindrical rotating brush mounted on an electric toothbrush in a rounded shape, thereby increasing productivity. and to provide a polishing apparatus for a rotating brush for toothbrushes capable of lowering the overall production cost by improving workability.

In addition, another technical problem to be solved by the present invention is to collect abrasive powder, that is, dust and fine dust, etc. generated in the process of grinding the bristle end of the rotating brush with a cylindrical shape mounted on an electric toothbrush in a rounded shape to create a workplace environment To provide a polishing apparatus for a rotary brush for toothbrushes to improve the.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

A polishing apparatus for a rotary brush for a toothbrush according to an embodiment of the present invention for solving the above problems is a first base member that is seated and supported on a bottom surface, and the first base member moves forward and backward by a predetermined interval and rotates on the first base member. A first drive motor, an actuator installed on the rear side of the first base member to reciprocate the first drive motor in the front and rear directions, and the first drive motor are connected and interlocked, and there is an empty space inside so that the rotating brush enters and exits a rotating abrasive unit comprising an abrasive member having; A second base member disposed in parallel with the rotary abrasive unit and supported by being seated on a floor surface, a second driving motor fixedly installed on the second base member, and the second driving motor are connected and interlocked a brush chucking unit comprising a chucking member to which the rotating brush is detachably fixed; A connection pipe connected from one side, a pump installed on the connection pipe, and a dust removal unit composed of a dust collecting tank installed at an end of the connection pipe may be configured.

Here, a guide rail may be installed on the first base member, and the first driving motor may be installed on a moving member moving along the guide rail.

Meanwhile, the abrasive member may have an inner space for inserting the rotary brush, and a polishing surface may be formed on an inner peripheral surface thereof.

In addition, the abrasive member, doedoe detachable with respect to the rotation shaft of the first driving motor, the cross-sectional shape may be composed of a first abrasive cover and a second abrasive cover each forming a semicircular shape.

Accordingly, in the polishing apparatus for a rotary brush for toothbrushes according to an embodiment of the present invention, in a state in which the rotary brush is fixed to the chucking member of the brush chucking portion, the first driving motor of the brush chucking portion is driven, and the rotary polishing portion As the first driving motor and the actuator are driven, the abrasive member is rotated at the same time as it reciprocates in the forward and backward directions, and as the rotating brush is rotated, insertion and extraction are repeatedly made inside the abrasive member, so that the rotating brush is The bristle end may be polished in a uniformly rounded shape.

In addition, a plurality of discharge holes may be formed in the abrasive member along the circumferential direction.

Other specific details of the invention are included in the detailed description and drawings.

According to the polishing apparatus for a rotary brush for toothbrushes according to an embodiment of the present invention, the bristle ends of the cylindrical rotary brushes mounted on the electric toothbrush are simply and quickly polished in a rounded shape, thereby improving productivity and workability to improve overall production. An effect of significantly lowering the unit cost may be provided.

That is, by being able to quickly and uniformly grind the ends of a plurality of teeth installed radially with respect to the circumferential surface of the support in a rounded shape, productivity and workability are improved, thereby providing an effect of lowering the overall production cost. can

The effect according to the present invention is not limited by the contents exemplified above, and more various effects are included in the present specification.

1 is a perspective view of a conventional toothbrush equipped with a rotating brush.
Figure 2 is an enlarged perspective view of the rotary brush in Figure 1;
3 and 4 are front views schematically showing the configuration of the polishing apparatus of the rotary brush for a toothbrush according to an embodiment of the present invention.
5 to 7 are enlarged cross-sectional views sequentially illustrating a process in which the bristle ends are polished as the rotating brush enters and exits the polishing unit in the polishing apparatus of the rotary brush for a toothbrush according to an embodiment of the present invention.
Figure 8 is an enlarged exploded perspective view for showing the configuration of the polishing unit in the polishing apparatus of the rotary brush for a toothbrush according to an embodiment of the present invention.
9 is a front view of the rotating brush showing a state in which the bristle ends are polished in a rounded form by the polishing apparatus of the rotating brush for toothbrushes according to an embodiment of the present invention.
10 is an enlarged cross-sectional view showing another configuration of the polishing unit in the polishing apparatus of the rotary brush for a toothbrush according to an embodiment of the present invention.

Advantages and features of the present invention, and a method for achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the art to which the present invention pertains. It is provided to fully inform the possessor of the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

Accordingly, in some embodiments, well-known process steps, well-known structures, and well-known techniques have not been specifically described in order to avoid obscuring the present invention.

The terminology used herein is for the purpose of describing the embodiments and is not intended to limit the present invention. As used herein, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, includes and/or comprising means not excluding the presence or addition of one or more other components, steps and/or actions other than the stated components, steps and/or actions. use it as And, “and/or” includes each and every combination of one or more of the recited items.

Further, the embodiments described herein will be described with reference to perspective, cross-sectional, side view and/or schematic views that are ideal illustrative views of the present invention. Accordingly, the form of the illustrative drawing may be modified due to manufacturing technology and/or tolerance. Accordingly, embodiments of the present invention are not limited to the specific form shown, but also include changes in the form generated according to the manufacturing process. In addition, in each drawing shown in the embodiment of the present invention, each component may be illustrated in a somewhat enlarged or reduced manner in consideration of convenience of description.

Hereinafter, a polishing apparatus for a rotary brush for a toothbrush according to an embodiment of the present invention will be described in detail based on the accompanying exemplary drawings.

3 and 4 are front views schematically showing the configuration of a polishing apparatus for a rotary brush for a toothbrush according to an embodiment of the present invention, and FIGS. 5 to 7 are in the polishing apparatus for a rotary brush for a toothbrush according to an embodiment of the present invention. , is an enlarged cross-sectional view sequentially showing a process in which the bristle ends are polished as the rotating brush is inserted and exited with respect to the abrasive unit.

First, as shown in FIGS. 3 and 4 , the polishing apparatus 100 of the rotary brush 50 for a toothbrush according to an embodiment of the present invention is largely a rotary polishing unit 200 and a brush chucking unit 300 and It may be configured as a dust removal unit 400 .

The rotary abrasive unit 200 moves forward and backward by a predetermined interval along the guide rail installed on the first base member 210 and the first base member 210 that is seated and supported on the floor surface, and is performed by an electrical signal. A first driving motor 230 that rotates, an actuator 220 that is fixedly installed on the rear side of the first base member 210 and reciprocates the cylinder 222 in the front-rear direction by an electrical signal, and the first driving motor It is connected to the first rotation shaft 232 of the 230 and reciprocates in the forward and backward directions at the same time as rotation, but a cylindrical abrasive member having an empty space therein so that the rotating brush 50 to polish the hair 54 enters and exits. 250 may be configured.

On the rear side of the first base member 210, a support (reference numeral not given) is installed in the longitudinal direction, and the actuator 220 may be fixedly installed with respect to this support, where the actuator 220 is pneumatic or hydraulic. It may be operated by , or it may be an actuator 220 that allows the solenoid to reciprocate by an electrical signal.

The cylinder 222 connected to the actuator 220 is installed through the support, and a connecting member 224 connected to the first driving motor 230 is installed in front of the cylinder 222, and the connecting member ( 224 ) and the first driving motor 230 may be fixedly installed on the upper end of the moving member 240 .

Here, a guide groove (reference numeral not assigned) for moving along the guide rail 212 installed on the first base member 210 is formed on the bottom surface of the moving member 240 .

In addition, since stoppers 214 and 216) are installed at the front and rear ends of the first guide rail 212, respectively, the moving member 240 reciprocates between the front end stopper 214 and the rear end stopper 216, As described above, according to the forward and backward reciprocating motion of the moving member 240 , the first driving motor 230 and the first rotating shaft 232 connected to the first driving motor 230 and the first rotating shaft 232 and The connected abrasive member 250 is interlocked to perform a forward and backward reciprocating motion.

The operation relationship of the rotary abrasive unit 200 that can be configured as described above will be described in detail later.

On the other hand, the brush chucking part 300 is fixed with respect to the second base member 310 seated and supported on the bottom surface, and the support (reference numeral not given) installed in the longitudinal direction on the second base member 310 . It may be configured to include a second driving motor 320 that is installed so as to be, and a chucking member 330 connected by the second driving motor 320 and the second rotation shaft 322 .

Here, the chucking member 330 is to detachably hold and fix the end of the support 52 of the rotary brush 50 to be polished the end of the bristle 54, and the second driving motor 320 responds to the electrical signal. When the second rotation shaft 322 rotates in association with each other, the chucking member 330 holding the rotation brush 50 is also rotated in association with each other.

In addition, the dust removal unit 400 is supported by the support 402 extending from the first base member 210 as shown in FIGS. 3 to 7 , the first rotating shaft 232 and the abrasive member It may be configured to include a housing disposed in a wrapping shape, a connection pipe 412 connected from one side of the housing, and a dust collection tank 420 installed at an end of the connection pipe 412 .

At this time, a pump 410 that sucks air inside the housing to generate a vacuum as it is driven by an electrical signal may be installed on the connection pipe 412 .

Here, the housing is coupled by the first rotational shaft 232 and the bearing 430 , so that when the first rotational shaft 232 and the abrasive member 250 are rotated, the housing is fixed without being rotated. It is possible to maintain the state, and a through hole 404 for passing the rotating brush 50 for toothbrushes may be formed on the tip side opposite to the bearing 430 .

On the other hand, a plurality of discharge holes 259 are formed at regular intervals on the circumferential surface of the rear end side of the abrasive member 50, and the working relationship thereof will be described in detail later.

A process of polishing the end of the bristles 54 of the rotary brush 50 for a toothbrush using the polishing apparatus 100 of the rotary brush 50 for a toothbrush according to an embodiment of the present invention that can be configured as described above will be described. If you do:

First, as shown in FIGS. 3 and 5 , in a state in which the rotary polishing unit 200 and the brush chucking unit 300 are arranged side by side at a predetermined interval, the end of the bristle 54 is to be polished The rotating brush 50 is fixed to the chucking member 330 .

In this way, in a state in which the rotary brush 50 is fixed with respect to the chucking member 330 , the rotary brush 50 is introduced through the through hole 404 of the housing so that it is located inside the housing of the dust removal unit 40 . , to be disposed at a position spaced apart from the abrasive member 250 by a predetermined interval.

In this state, the operation is performed by applying electrical input signals to the actuator 220 and the first driving motor 230 of the rotary polishing unit 200 , and the second driving motor 320 of the brush chucking unit 300 , respectively. In this case, the abrasive member 250 reciprocates in the front-rear direction by the driving of the actuator 220 and the rotation is made by driving the first driving motor 230 at the same time.

In addition, the rotating brush 50 chucked and fixed by the chucking member 330 is also rotated. At this time, the rotating rotating brush 50 is rotated with respect to the abrasive member 250 which reciprocates in the front-rear direction. As shown in 6 and 7, while repeating insertion and withdrawal, the end of the teeth 54 is polished in a uniformly rounded shape.

In this way, as the rotary brush 50 is repeatedly inserted and withdrawn with respect to the abrasive member 250 and the end of the bristle 54 is polished, abrasive powder, that is, dust is generated. At this time, the dust is generated by the abrasive member 250 ) is discharged into the housing of the dust removal unit 400 through the discharge hole 259 .

That is, the abrasive member 250 is rotated, and the dust generated in the abrasive member 250 by centrifugal force according to the rotation is discharged into the housing through the discharge holes 259 .

At this time, the pump 410 constituting the dust removal unit 400 is driven, and a vacuum pressure is generated inside the housing, so that the dust discharged into the housing is collected through the connection pipe 412 in the dust collection tank 420 . collection is carried out with

Therefore, the abrasive powder, that is, dust generated during the grinding process of the teeth 54 of the rotary brush 50, is not scattered to the outside, and the dust is collected in the dust collection tank 420, so that the dust is not blown in the workshop, The working environment in the workplace can be greatly improved.

8 is an enlarged exploded perspective view for illustrating the configuration of a polishing unit in the polishing apparatus 100 of the rotary brush 50 for a toothbrush according to an embodiment of the present invention, and FIG. 9 is a rotating toothbrush according to an embodiment of the present invention. It is a front view of a rotating brush showing a state in which the bristle end is polished in a rounded shape by the polishing device of the brush.

5 to 8, the abrasive member 250 is made of a cylindrical shape having an inner space for the rotary brush 50 to be inserted as described above, and the abrasive surface 256 is formed on its inner peripheral surface. can

Here, as for the abrasive surface 256, a member having a rough surface, such as a nonwoven fabric or charcoal stone, may be detachably installed on the inner peripheral surface of the abrasive member 250, or a member such as an industrial diamond is the abrasive member 250. It may be detachably installed on the inner peripheral surface.

At this time, the polishing surface 256 may be formed at regular intervals at regular intervals, but this is only one embodiment, and the polishing surface 256 may be formed on the entire inner circumferential surface.

Therefore, when the abrasive surface 256 is worn or damaged and the need for replacement occurs, the abrasive member 250 is detachably attached to and detached from the first rotational shaft 232 in order to facilitate the replacement of the abrasive surface 256 . It may be composed of a first polishing cover 252 and a second polishing cover (254).

That is, as shown in FIG. 8 , the abrasive member 250 includes a first abrasive cover 252 having a semicircular cross-sectional shape and a second abrasive cover 254 having a semicircular cross-sectional shape. is configured, and these first polishing cover 252 and second polishing cover 254 may be detachably installed with respect to the first rotational shaft by a coupling member 258 such as a bolt.

In this way, when the abrasive member 250 is composed of the first abrasive cover 252 and the second abrasive cover 254 detachable with respect to the first rotation shaft 232, the abrasive surface 256 formed on the inner peripheral surface thereof. ) can be provided with the effect that the replacement operation becomes very easy in the case of wear and damage.

For reference, in the embodiment of the present invention, the abrasive surface 256 installed on the inner peripheral surface of the abrasive member 250 has been described as detachable with respect to the abrasive member 250 as an example, but the present invention is not limited thereto, and the abrasive member ( It should be noted that 250) and the polishing surface 256 may be made of the same material.

6 and 7 when the rotary brush 50 is repeatedly inserted and withdrawn into the inner space of the abrasive member 250 as the abrasive member 250 that can be configured as described above rotates and reciprocates in the forward and backward directions. As shown, the bristles 54 end of the rotary brush 50 passes through the polishing surface 256 in both directions while making surface contact, so that both surfaces can be uniformly polished.

First, as shown in FIG. 6 , while the rotary brush 50 is inserted into the empty space of the abrasive member 250 , the ends of the bristles 54 of the rotary brush 50 sequentially pass through the abrasive surface 256 . While the front part is polished, the rotary brush 50 is rotated and the left and right parts are also polished.

7, as the rotary brush 50 is drawn out from the empty space of the abrasive member 250, the ends of the bristles 54 of the rotary brush 50 turn the abrasive surface 256 in the opposite direction. While passing, the rear portion is polished and at the same time the rotary brush 50 is rotated, the left and right portions are also polished.

At this time, it is preferable that the abrasive member 250 rotates in a direction opposite to the rotational direction of the rotating brush 50 , and accordingly, when the rotating brush 50 is inserted into or withdrawn from the inner space of the abrasive member 250 . , the left side and the right side may be crossed so that the polishing can be made.

That is, when the bristles 54 of the rotary brush 50 are inserted into the abrasive member 250, as shown in FIG. and the left side or the right side may be polished by a rotational force while passing through the polishing surface 256 .

In addition, when the bristles 54 of the rotary brush 50 are withdrawn from the abrasive member 250, as shown in FIG. and the right side or the left side may be polished by a rotational force while passing through the polishing surface 256 .

Accordingly, as the abrasive member 250 of the rotary abrasive unit 200 rotates and reciprocates in the front-rear direction at the same time, the rotating brush 50 fixed to the chucking member 330 of the brush chucking unit 300 is rotated by the abrasive member 250 . ) When repeated insertion and extraction of the inner space is made, the ends of the plurality of teeth 54 radially installed on the circumferential surface of the support 52 of the rotary brush 50 are uniform as a whole as shown in FIG. 9 . Grinding is done in a rounded shape.

On the other hand, Figure 10 is an enlarged cross-sectional view showing another configuration of the polishing part in the polishing apparatus of the rotary brush for a toothbrush according to an embodiment of the present invention, the step portion having a step difference of a certain height on the inner peripheral surface of the abrasive member 250 ( A plurality of 255 ) are formed at regular intervals, and a polishing surface 256 may be formed on the inner circumferential surface of the stepped portion 255 .

As such, when the abrasive surface 256 is formed on the inner peripheral surface of the step portion 255, when the teeth 54 of the rotary brush 50 are inserted or drawn out with respect to the abrasive member 250, the cut-off portion ( 255) at the same time as friction is made on the front end and the rear end, respectively, the polishing is made by the polishing surface 256, the polishing efficiency can be further improved.

For reference, the configuration of the abrasive member 250 described with reference to FIG. 9 differs only in that the polishing surface 256 is formed on the inner circumferential surface of the stepped stepped portion 255, and all other configurations are Since they are the same, a repeated description thereof will be omitted.

For reference, in the embodiment of the present invention, for example, the rotary abrasive unit 200 is installed on the first base member 210 , and the brush chucking unit 300 is installed on the second base member 310 . Although described, the first base member 210 and the second base member 310 may be provided as one base member.

9 is a front view of the rotating brush 50 showing a state in which the end of the bristle 54 is polished in a rounded form by the polishing apparatus 100 of the rotating brush 50 for a toothbrush according to an embodiment of the present invention.

Those of ordinary skill in the art to which the present invention pertains will understand that the present invention may be embodied in other specific forms without changing the technical spirit or essential features thereof. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. The scope of the present invention is indicated by the following claims rather than the above detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention.

50: rotating brush 52: support
54: chimo 100: polishing device
200: rotary grinding unit 210: first base member
212: guide rail 214,216: stopper
220: actuator 222: cylinder
224: connection member 230: first driving motor
232: first axis of rotation 240: moving member
250: abrasive member 252: first abrasive cover
254: second polishing cover 255: step part
256: polishing surface 258: coupling member
259: discharge hole 300: brush chucking part
310: second base member 320: second driving motor
322: second rotation shaft 330: chucking member
400: dust removal unit 402: support
404: through hole 410: pump
412: connection pipe 420: dust collection tank
430: bearing

Claims (6)

A first base member seated and supported on a floor surface, a first driving motor that moves forward and backward by a predetermined interval on the first base member and rotates at a predetermined interval, and installed at the rear side of the first base member to operate the first driving motor an actuator for reciprocating in the forward and backward directions, and a rotating abrasive unit connected to and interlocked with the first driving motor, the rotating abrasive unit comprising an abrasive member having an empty space therein so that the rotating brush enters and exits;
A second base member disposed in parallel with the rotary abrasive unit and supported by being seated on a floor surface, a second driving motor fixedly installed on the second base member, and the second driving motor are connected and interlocked a brush chucking unit comprising a chucking member to which the rotating brush is detachably fixed; and
A housing that is fixedly installed with respect to the first base member and is installed to surround the rotating abrasive unit and the rotating brush, a connection pipe connected from one side of the housing, and a pump installed on the connection pipe and the connection A polishing apparatus for a rotary brush for toothbrush, characterized in that it comprises a dust removal unit consisting of a dust collecting tank installed at the end of the tube.
The method of claim 1,
A guide rail is installed on the first base member,
The first driving motor is a polishing apparatus for a rotating brush for toothbrush, characterized in that installed on the moving member moving along the guide rail.
The method of claim 1,
The abrasive member,
A polishing apparatus for a rotary brush for toothbrush, characterized in that it has an inner space for inserting the rotary brush, and a polishing surface is formed on its inner surface.
4. The method of claim 3,
The abrasive member,
Doedoe detachable with respect to the rotation shaft of the first driving motor, a polishing apparatus for a rotary brush for toothbrush, characterized in that it consists of a first abrasive cover and a second abrasive cover each having a semicircular cross-sectional shape.
5. The method according to any one of claims 1 to 4,
In a state in which the rotary brush is fixed to the chucking member of the brush chucking part,
By driving the first driving motor of the brush chucking unit and driving the first driving motor and the actuator of the rotary polishing unit,
The abrasive member rotates at the same time as it reciprocates in the front-rear direction, and as the rotating brush rotates, insertion and extraction are repeatedly made into and out of the abrasive member, so that the bristle end of the rotating brush is polished in a uniformly rounded shape. A polishing device for a rotating brush for toothbrushes, characterized in that it.
4. The method of claim 3,
The polishing member, a polishing apparatus for a rotary brush for a toothbrush, characterized in that a plurality of discharge holes are formed along the circumferential direction.

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