JPH105628A - Noise preventing apparatus for air nozzle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To discharge and recover foreign matter in low noise, in an apparatus discharging foreign matter in a blind hole processed by jetting air, by forming a passage discharging the foreign matter in a blind hole by air between a nozzle and an adapter defined so as to be in contact with the periphery of the blind hole. SOLUTION: At a time of execution, at first, the adaptor arranged to the leading end of an adaptor main body 20 is brought into contact with the processed blind hole 1 of an object 10. Next, the valve 43 arranged to the supply passage 42 is opened by a lever 44 and air is supplied to a nozzle 3 through the supply passage 42 to be jetted into the blind hole 1 and, by the air jetted through the annular passage 21 formed between the nozzle 3 and the adaptor 2, the foreign matter in the blind hole 1 is discharged. This foreign matter passes through a discharge passage 49 of an air gun main body 40 communicating with the passage 21 to be discharged to the outside of the adaptor main body 20 through a discharge hose 52 attached to one end 491 of the passage 49 to be recovered in the recovery box 53 into which the other end of the discharge hose 52 is inserted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nozzle which is inserted into an adapter which abuts and partitions around a processed non-through hole of an object to blow air into the non-through hole. The present invention relates to a noise prevention device for an air nozzle that discharges foreign matter in the non-through hole with low noise by air through a passage formed between the nozzle and the adapter.

[0002]

2. Description of the Related Art A conventional air gun is shown in FIG.
As shown in (B), air is directly blown into the processed non-through hole H of the object O by the nozzle N disposed at the tip of the air gun connected to the compressed air source, and Was intended to discharge foreign substances.

[0003]

In the conventional air gun of the related art, as shown in FIGS. 16A and 16B, the processing of the object O is performed by the nozzle N disposed at the tip of the air gun. Since the air is blown directly into the non-penetrated hole H to discharge the foreign matter in the non-penetrated hole H, the air blown in the open space may collide with the non-penetrated hole H and reflect. Since the accompanying sound is emitted, there is a problem that the noise level is high.

The inventor of the present invention pays attention to the point that, in a partitioned closed space, air is blown into an unpenetrated hole of an object and foreign matter in the unpenetrated hole is discharged, and the processed object is processed. Air is injected into the non-through hole by a nozzle inserted into an adapter that abuts and defines the periphery of the through hole, and the injected air passes through a passage formed between the nozzle and the adapter. Focusing on the technical idea of the present invention of discharging foreign matter in the non-penetrating hole, further research and development to achieve low noise discharge of foreign matter in the non-penetrating hole, and to enable collection of foreign matter. To achieve the present invention.

[0005]

A noise suppression device for an air nozzle according to the present invention (a first invention according to claim 1) is provided at an end of an adapter body, and is provided at a tip of the adapter body to process an object. An adapter that abuts and defines the periphery of the non-through hole, a nozzle that is inserted into the adapter and that blows out air into the non-through hole, and that is formed between the nozzle and the adapter and is ejected by the nozzle. And a passage for discharging foreign matter in the non-through hole by the air.

According to a second aspect of the present invention, there is provided the noise preventing device for an air nozzle according to the first aspect, wherein one end is attached to communicate with the passage formed between the nozzle and the adapter. And a discharge hose for discharging foreign matter in the non-through hole to the outside of the adapter main body by air ejected by the nozzle.

According to a third aspect of the present invention, there is provided a noise prevention device for an air nozzle according to the second aspect, wherein the other end of the discharge hose is inserted and an air discharge hole is formed in an upper portion. It has a collection box for storing the discharged foreign matter.

According to a fourth aspect of the present invention, there is provided a noise control device for an air nozzle according to the third aspect, wherein the nozzle is connected to an air supply port to which a supply hose connected to a compressed air source is mounted. And an air gun configured to open and close a valve disposed in a supply passage to be operated by a lever.

According to a fifth aspect of the present invention, there is provided a noise control device for an air nozzle according to the third aspect, wherein an air supply port to which a supply hose connected to a compressed air source is mounted and a discharge hose are mounted. And an adapter body slidably inserted in the case and having the adapter and the nozzle disposed therein, and formed between the air supply port and the nozzle. A valve disposed in the supply passage includes an air gun configured to open when the adapter is pressed around the non-through hole.

According to a second aspect of the present invention (a sixth aspect of the present invention), in the second aspect of the present invention, the air gun comprises an air supply port to which a supply hose connected to a compressed air source is mounted and the nozzle. An adapter body configured to be opened and closed by a lever, a valve disposed in a supply passage formed between the nozzle and the air gun, the nozzle body, the adapter, and the discharge hose being disposed at a tip of the air gun. It is provided with.

According to a seventh aspect of the present invention, there is provided the noise prevention device for an air nozzle according to the sixth aspect, wherein a push switch for interlocking the lever provided on the air gun is provided on the adapter body. It has been established.

[0012] In a sixth aspect of the present invention (the eighth aspect of the present invention), in the noise control apparatus for an air nozzle according to the sixth aspect, the adapter main body is swingably locked to a tip of the air gun via a floating mechanism. Is what is being done.

According to a ninth aspect of the present invention, in the third aspect of the present invention, there is provided a noise prevention device for an air nozzle, comprising: a moving mechanism for moving the adapter main body; A switch is provided for detecting that the nozzle has been inserted into the non-through hole after contacting the through hole.

The present invention (the tenth aspect of the present invention)
In the ninth invention, the noise preventing device for an air nozzle according to the ninth aspect, comprises: a controller that outputs a control signal based on a contact signal from the switch; and a switching valve that supplies air from a compressed air source based on the control signal from the controller. It is provided.

The present invention (the eleventh invention according to claim 11)
The noise suppression device for an air nozzle according to the ninth invention, wherein the plurality of adapter bodies are disposed on the support member moved by the movement mechanism so as to face the plurality of non-through holes of the object. is there.

The present invention (a twelfth aspect of the present invention)
According to the third aspect of the present invention, in the third aspect of the invention, an axial slit is formed at an air blowing end of the nozzle.

The present invention (a thirteenth aspect of the present invention)
According to the third aspect of the present invention, in the third aspect of the invention, a tapered portion for guiding the non-through hole of the object is formed at a tip of the adapter.

The present invention (a fourteenth aspect of the present invention)
According to the third aspect of the present invention, in the third aspect of the present invention, the air outlet end of the nozzle protrudes from a tip of the adapter.

The present invention (a fifteenth aspect of the present invention)
In the ninth aspect of the present invention, in the ninth aspect, the tip of the adapter is provided so as to protrude from the air outlet end of the nozzle.

[0020]

According to the first aspect of the present invention, there is provided a noise control device for an air nozzle according to the first aspect of the present invention, wherein the adapter disposed at the tip of the adapter body is provided around the non-through hole where the object is machined. The nozzle that is abutted and partitioned, the nozzle inserted into the adapter blows air into the non-through hole, and the passage formed between the nozzle and the adapter blows air through the blown air. Since the foreign matter in the hole is discharged, the effect of discharging the foreign matter in the non-through hole with low noise is achieved.

According to the second aspect of the present invention, in addition to the effects of the first aspect, the noise suppression device for an air nozzle according to the second aspect, wherein one end of the noise prevention device is mounted in communication with the passage formed between the nozzle and the adapter. Since the foreign matter in the non-through hole is discharged to the outside of the adapter body by the air blown out from the nozzle by the discharge hose, the effect of reducing the noise level is achieved.

According to the third aspect of the present invention, in addition to the effects of the second aspect, the noise suppression device for an air nozzle according to the third aspect is further characterized in that the collection box has the other end of the discharge hose inserted therein and an air discharge hole formed in an upper portion thereof. However, there is an effect that the discharged air is discharged from the discharge hole and the foreign matter can be collected.

According to the fourth aspect of the present invention, in addition to the effect of the third aspect, air is introduced from the compressed air source into the air gun through the supply hose and the air supply port. When the lever opens a valve disposed in the supply passage, the lever supplies the nozzle to the nozzle through the supply passage, and ejects air from the nozzle into the non-through hole, thereby causing the air to pass through the adapter. Since the foreign matter in the through-hole is discharged, an effect of reducing noise of the lever switch type air gun is achieved.

The noise suppressing device for an air nozzle according to the fifth aspect of the present invention having the above-described structure has the same effect as the third aspect, and further comprises the air supply port to which the supply hose connected to the compressed air source is attached and the discharge hose. In the air gun provided with the adapter body in which the adapter and the nozzle are slidably inserted into the case in which the discharge port is formed, the adapter is pressed around the non-through hole. At this time, the valve disposed in the supply passage formed between the air supply port and the nozzle is opened, and air is ejected from the nozzle into the non-through hole, so that the air does not pass through the adapter. Since the foreign matter in the hole is discharged, an effect of reducing noise of the push switch type air gun is achieved.

According to the sixth aspect of the present invention, in addition to the effect of the second aspect, the noise suppression device for an air nozzle according to the sixth aspect has a structure in which the air supply port connected to the compressed air source is mounted between the air supply port and the nozzle. Since the nozzle main body is provided with the nozzle and the discharge hose at the tip of the air gun which opens and closes the valve provided in the supply passage formed by the lever, the adapter body is provided. By simply arranging the adapter body at the tip of the air gun, there is an effect that the noise of the existing air gun can be reduced.

According to the seventh aspect of the present invention, in addition to the effect of the sixth aspect, the noise suppressing device for an air nozzle according to the seventh aspect of the present invention is configured such that the push switch provided on the adapter main body is pressed so that the air gun is provided on the air gun. Since the lever is linked, opening and closing of the air gun by the lever and opening and closing by the push switch are enabled,
There is an effect that the air gun can be replaced.

The noise suppressing device for an air nozzle according to the eighth aspect of the present invention having the above-described structure has the effect of the sixth aspect, and the adapter body is swingably locked to the tip of the air gun via a floating mechanism. Therefore, the adapter body swings in accordance with the posture of the non-through hole of the object, and the adhesion between the object and the adapter is enhanced, so that an effect of further reducing noise is achieved.

According to a ninth aspect of the present invention, in addition to the effects of the third aspect, the moving mechanism moves the adapter body, and the adapter moves to prevent the object from being penetrated. After the contact with the hole, the switch detects that the nozzle has been inserted into the non-through hole, so that the automatic contact of the adapter and the automatic insertion of the nozzle are enabled.

According to a tenth aspect of the present invention, in addition to the effects of the ninth aspect, the controller outputs a control signal based on a contact signal from the switch, and the switching valve includes: Since air is supplied from a compressed air source based on a control signal from the controller,
There is an effect that the foreign matter in the non-through hole can be automatically discharged.

The air nozzle noise elimination device according to the eleventh aspect of the present invention, having the above-described structure, has the effect of the ninth aspect, and further comprises a support member moved by the moving mechanism, which faces the plurality of non-through holes of the object. Since the plurality of adapter bodies are provided, it is possible to automatically discharge foreign matter in the plurality of non-through holes of the object.

According to the twelfth aspect of the present invention, in addition to the effect of the third aspect, the air nozzle end of the nozzle has a slit formed in the axial direction at the air outlet end. Even if the bottom of the non-through hole abuts and is closed, air is blown into the non-through hole through the slit, thereby enabling an effect of discharging foreign matter.

According to the thirteenth aspect of the present invention, in addition to the effects of the third aspect, since the tapered portion is formed at the tip of the adapter, the shaft of the adapter is connected to the non-through hole. When the adapter is abutted against the non-through hole in a state where the adapter is displaced from the axis, the tapered portion guides the adapter into the non-through hole of the object, so that the position control of the adapter is roughly controlled. It has the effect that it can be done.

According to the fourteenth aspect of the present invention, in addition to the effects of the third aspect, the air blowing end of the nozzle projects from the tip of the adapter. In order to blow out air with the air blowing end inserted into the non-through hole,
This has the effect of reliably discharging foreign matter from the non-through holes.

According to the fifteenth aspect of the present invention, in addition to the effects of the ninth aspect, the tip of the adapter is provided so as to protrude from the air outlet end of the nozzle. During the movement, the air outlet end 5 of the nozzle is surrounded by the adapter and is protected.

[0035]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention are described below.
This will be described with reference to the drawings.

(First Embodiment) As shown in FIGS. 1 and 2, an air nozzle noise eliminator according to a first embodiment is an adapter that abuts and partitions around a non-through hole 1 in which a target object 10 is machined. 2, an adapter body 20 having a nozzle 3 interposed in the adapter 2 and ejecting air into the non-through hole 1, and a supply hose 51 connected to a compressed air source.
And an air gun 4 configured to open and close a valve 43 disposed in a supply passage 42 that connects the air supply port 41 to which the nozzle 3 is connected.

The adapter body 20 has a small-diameter hollow cylindrical adapter 2 which is disposed at the distal end and which can be partitioned into contact with the periphery of the processed non-through hole 1 of the object 10. A tubular nozzle 3 which is coaxially inserted into the adapter 2 and has a distal end projecting from the adapter 2 and ejecting air into the non-through hole 1, between the nozzle 3 and the adapter 2 And an annular passage 21 for discharging foreign matter in the non-through hole 1 by air blown out by the nozzle 3 is provided.

The air gun body 4 constituting the air gun 4
In FIG. 5, one end of the nozzle 3 which is air-tightly disposed by a plurality of O-rings 48 urged by a coil spring 47 in the air gun body 40 so as to be movable in the axial direction and a handle 45 which is gripped by a worker with a hand. A nozzle fixing portion 46 of a fixed hollow cylindrical body and a discharge passage 49 communicating with the passage 21 are provided.

The valve 43 is inserted into the supply passage 42 at the base of the handle 45 and the coil spring 4
The valve is urged in the closing direction by 31, one end of the valve is in contact with the lever 44, and is configured to open when the lever 44 is swung.

One end of a discharge hose 52 is attached to a discharge port 491 at one end of the discharge passage 49 of the air gun body 40, and foreign matter in the non-through hole 1 is removed by the air blown out by the nozzle 3. It is configured to be able to discharge to the outside of 20.

The collection box 53 has the other end of the discharge hose 52 inserted therein, and has an air discharge hole 531 for discharging the air carrying the foreign matter to the outside at an upper portion thereof, for accommodating the discharged foreign matter.

The noise suppressor for an air nozzle according to the first embodiment having the above-described structure is configured such that the adapter 2 disposed at the tip of the adapter body 20 as shown in FIG.
The object 10 is abutted and partitioned around the processed non-through hole 1.

Air from the compressed air source is introduced into the air gun body 40 through the supply hose 51 and the air supply port 41, and as shown in FIG. When the valve 43 disposed in the supply passage 42 is opened by the lever 44 after contacting the periphery of the hole 1, air is supplied to the nozzle 3 through the supply passage 42, 3, the air supplied into the non-through hole 1 is jetted.

When the nozzle 3 inserted in the adapter 2 blows air into the non-through hole 1, the annular passage 21 formed between the nozzle 3 and the adapter 2 is blown. Foreign matter in the non-through holes is discharged by the air.

The one end 491 passes through the discharge passage 49 of the air gun body 40 communicating with the passage 21.
The foreign matter is discharged to the outside of the adapter main body 20 together with the air jetted from the nozzle 3 by the discharge hose 52 attached to the adapter hose 20.

The collection box 53 into which the other end of the discharge hose 52 is inserted discharges the discharged air from the discharge hole and collects foreign substances.

The air nozzle noise eliminator of the first embodiment having the above-described operation discharges foreign matter in the non-through hole 1 in the space defined by the adapter 2, and therefore, is indicated by a white circle in FIG. As is clear from the above, an effect of realizing low noise discharge of the foreign matter in the non-through hole 1 is achieved as compared with the conventional case in which only the inner nozzle of the adapter is used (graph of black circle in FIG. 3).

The noise suppressing device for an air nozzle according to the first embodiment transports the air and foreign matter discharged by the discharge hose 52 to the collection box 53 away from the nozzle, and discharges the air and foreign matter into the collection box 53. Since the discharged air is discharged from the discharge hole and the foreign matter is collected, the noise can be effectively reduced as clearly shown by the graph x in FIG. This has the effect of preventing scattering of powder and mist of cutting oil.

Further, in the noise suppressing device for an air nozzle according to the first embodiment, air is supplied from the compressed air source through the supply hose 51 and the air supply port 41 to the air gun 4.
When the lever switch 44 opens the valve 43 provided in the supply passage 42, the valve 3 is supplied to the nozzle 3 through the supply passage 42, and the nozzle 3 Since the air is blown into the inside and the foreign matter in the non-through hole 1 is discharged in the adapter 2, the effect of reducing noise of the lever switch type air gun is achieved.

In the noise suppression device for an air nozzle according to the first embodiment, the lever 2 is operated by operating the lever switch 44 without letting the adapter 2 abut on the object 10, so that air is supplied from the nozzle 3 to the non-through hole 1. If it blows out, it has an effect that it can be used as a general blow air gun.

Further, in the noise suppressing device for an air nozzle according to the first embodiment, since the air blowing end of the nozzle 3 is disposed so as to protrude from the tip of the adapter 2, the air blowing end of the nozzle 3 is not connected to the air outlet. Since air is blown out in a state of being inserted into the through-hole 1, an effect of reliably discharging foreign matter from the non-through-hole 1 is achieved.

Further, in the noise suppressing device for an air nozzle according to the first embodiment, the nozzle fixing portion 46 is provided with the air gun main body 4.
The air outlet end of the nozzle 3 is inserted into the non-penetrating hole 1 and is airtightly disposed by a plurality of O-rings 48 urged by a coil spring 47 so as to be movable in the axial direction. When the nozzle fixing portion 46 moves to the right in the drawing when it comes into contact with the bottom of the through hole 1, an effect of not adversely affecting the close contact state of the adapter is provided.

Further, the noise reducing device for an air nozzle according to the first embodiment has an axial slit 3 at the air blowing end of the nozzle 3 as shown in FIGS. 14 (A) and 14 (B).
1 and 32 (a circular portion 321 for cutting powder removal is formed at one end), so that even if the air blowing end of the nozzle 3 comes into contact with the bottom of the non-through hole 1 and is closed, Air is blown into the non-through-hole 1 through the slits 31 and 32, so that there is an effect that foreign matter can be discharged.

(Second Embodiment) As shown in FIGS. 4 and 5, a noise suppression device for an air nozzle according to a second embodiment includes an air supply port 41 to which a supply hose 51 connected to a compressed air source is mounted, and a discharge hose. A case 4 in which a discharge port 491 to which the 52 is attached is integrally formed with a handle 45 formed in a lower part.
00 and a gun main body 40 integrally formed with the adapter main body 20 in which the adapter 2 and the nozzle 3 are slidably inserted in the case 400, and the air supply port 41 and the gun main body 40 are formed. A valve 43 disposed in a supply passage 42 formed between the adapter 2 and the nozzle 3
The main difference from the first embodiment is that the air gun is configured to open when pressed against the periphery of the non-through hole 1 with a certain force or more. Will be described.

That is, the valve 43 protrudes from the gun body 40 and abuts against the inner wall of the case 400. As shown in FIG. The valve 43 is opened when the valve 43 moves against the spring force of the coil spring 47 inserted between the gun body 40 and the case 400.

The noise suppression device for an air nozzle according to the second embodiment having the above-described configuration is characterized in that the air supply port 41 connected to the compressed air source is provided with the air supply port 41 and the discharge port provided with the discharge hose 52. The adapter body 20 slidably inserted in the case 400 in which the adapter 49 and the nozzle 3 are provided.
The supply passage formed between the air supply port 41 and the nozzle 3 when the adapter 2 is pressed around the non-through hole 1 with a certain force or more. The valve 43 disposed at 42 is opened, and air is jetted from the nozzle 3 into the non-through hole 1 to reduce noise of foreign matter in the non-through hole in the adapter 2 in the push switch type air gun. This has the effect of realizing discharge.

Further, when the adapter 2 is pressed around the non-through hole 1 with a certain force or more, the valve 43 disposed in the supply passage 42 can be provided. Automatically opens and air is blown out from the nozzle 3 into the non-through hole 1, so that the operation of the lever switch 44 in the first embodiment becomes unnecessary.

(Third Embodiment) A noise suppression device for an air nozzle according to a third embodiment comprises an air supply port 41 to which a supply hose 51 connected to a compressed air source is mounted, as shown in FIGS. 3 and the supply passage 42 formed between
Adapter body provided with a nozzle 3, an adapter 2, and a discharge hose 52 connected to a collection box 53 at the tip of a general blow air gun 4 configured to open and close a valve 43 provided by a lever 44. 20 is additionally provided.

As shown in FIG. 7, the adapter body 20 is provided with a push switch 23 which can be rotated by 180 degrees, and swings the lever 44 provided on the air gun 4 via a bar 231. Is configured to obtain.

The noise preventing device for an air nozzle according to the third embodiment having the above-described structure is characterized in that the adapter body 20 having the nozzle 3, the adapter 2 and the discharge hose 52 disposed at the tip of the general blow air gun. Therefore, the noise reduction of the existing blow air gun can be easily achieved only by disposing the adapter body at the tip of the air gun.

In the noise suppression device for an air nozzle according to the third embodiment, the push switch 23 provided on the adapter main body 20 and capable of rotating by 180 degrees is pushed rightward in the figure, so that the bar 231 is provided. Since the lever 44 provided on the air gun 4 is interlocked, the push switch 23 is turned 180 degrees as shown by a broken line in FIG.
Rotation of the air gun 4 enables the opening and closing of the air gun 4 by the lever 44 and the opening and closing of the push switch described above, and also allows the air gun 4 to be replaced with a different one of different types and capabilities. .

(Fourth Embodiment) In a noise prevention device for an air nozzle according to a fourth embodiment, as shown in FIGS. 8 and 9, in the third embodiment, the adapter body 20 is provided with a spherical bearing at the tip of the air gun 4. The point of change is that it is swingably locked via the floating mechanism 24 constituting.

In the air nozzle noise eliminator of the fourth embodiment having the above structure, the adapter body 20 is swingably locked to the tip of the air gun 4 via the floating mechanism 24. Even if the air gun 4 is not tilted, the adapter body 20 swings according to the posture of the non-through hole 1 of the object 10 and the object 10
In order to enhance the adhesion between the adapter 2 and the adapter 2, an effect of further reducing noise is achieved.

(Fifth Embodiment) In the noise suppression device for an air nozzle according to the fifth embodiment, as shown in FIGS. 10 to 13, a plurality of adapter bodies 20 are opposed to a plurality of non-through holes 1 of the object 10. After the cylinder 6 as a moving mechanism for moving the disposed supporting member 60 and the adapter 2 move and abut the non-through hole 1 of the object 10,
A switch 7 for detecting that the nozzle 3 has been inserted into the non-through hole, a controller 8 for outputting a control signal based on a contact signal from the switch 7, and compressed air based on a control signal from the controller 8 It has a switching valve 9 for controlling the supply of air from a source.

The control operation in the fifth embodiment will be described with reference to the flowchart of FIG. When the start switch 71 is turned on in step 101, the controller 8 issues a nozzle lowering command in step 102.

When the nozzle lowering command is issued, in step 103, the lowering solenoid for lowering the cylinder 6 is turned on, and the adapter 2 and the nozzle 3 are lowered.

When the adapter 2 descends and comes into contact with the non-through hole 1 of the object 10 and the proximity switch constituting the switch 7 is turned on in step 104, the controller 8 outputs an air blow start command. .

When the air blow start command is output, the switching valve 9 for controlling the supply of the air blow supplied from the rotationally driven blower 90 in step 105.
Is turned on, and air blowing is started and continued for a set time.

When the air blow is completed in step 106 and the timing of completing the lowering state of the nozzle 3 is completed in step 107, the nozzle raising solenoid is turned on in step 108 to start raising the nozzle 3 and in step 109 When the raising of the nozzle 3 is completed, the process returns to the start.

In the noise preventing device for an air nozzle according to the fifth embodiment having the above-described structure and operation, the moving mechanism 6 moves the adapter body 20 and the adapter 2 moves to allow the unpenetrated hole of the object 10 to move. 1 and the switch 7 detects that the nozzle 3 has been inserted into the non-through hole 1, so that the automatic contact of the adapter 2 and the automatic insertion of the nozzle 3 are enabled. Play.

Further, in the noise suppressing device for an air nozzle according to the fifth embodiment, the controller 8 outputs a control signal based on a contact signal from the switch 7 and the switching valve 9
Since the air blow from the blower 90 as the compressed air source is supplied based on the control signal from the controller 8, it is possible to automatically discharge the foreign matter in the non-through hole 1.

Further, the noise reducing device for an air nozzle according to the fifth embodiment is characterized in that the support member 60 moved by the moving mechanism 6 is provided with a plurality of the adapter main bodies opposed to the plurality of non-through holes 1 of the object 10. Since the 20 is provided, there is an effect that foreign substances in the plurality of non-through holes 1 of the object 10 can be automatically and simultaneously discharged.

In the noise suppressing device for an air nozzle according to the fifth embodiment, the distal end of the adapter 2 is provided so as to protrude from the air outlet end of the nozzle 3 as shown in FIG. During the movement, the air outlet end of the nozzle 3 is surrounded by the adapter and is protected.

The above-described embodiments have been described by way of example only, and the present invention is not limited to these embodiments. Those skilled in the art will recognize from the claims, the detailed description of the invention, and the drawings. Modifications and additions are possible without departing from the technical idea of the present invention.

In the above-described embodiment, as an example, an example in which an annular flat surface is formed at the tip of the adapter from the viewpoint of improving adhesion to the periphery of the non-through hole 1 of the object 10 has been described. The taper part 201 is formed at the tip of the adapter 2 as shown in FIG.
Even if the adapter 2 is brought into contact with the non-through hole 1 in a state where the axis of the non-through hole 1 is displaced from the axis of the non-through hole 1, the tapered portion 201 connects the adapter 2 to the non-through hole of the object 10. Since the guide 2 is arranged coaxially with the guide 1, the position of the adapter 2 can be roughly controlled.

In the above-described embodiment, an example in which one nozzle is used for one unpenetrated hole of the object has been described. However, the present invention is not limited to this, and FIG. When the shape of the non-penetrating hole 1 of the object 10 is complicated as shown in FIG.
Can be used.

In the above-described embodiment, an example has been described in which foreign matter in an unpenetrated hole such as a tapped hole of an object is discharged. However, the present invention is not limited to this, and FIG. As shown, an adapter 2 is formed to surround the product 10 which is the object, and the air is supplied from one end and discharged from the other end close to the one end to clean the periphery of the product 10. It can be applied to the embodiment.

The present noise control device for an air nozzle is effective in preventing noise in the air nozzle. However, when the supply medium is a water-soluble liquid, it is effective in terms of the mist surface and energy consumption. Can be used for measuring chip residue such as tap holes.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a state before use of a device according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view illustrating a state during use of the first embodiment device.

FIG. 3 is a diagram showing a noise reduction effect in the first embodiment device.

FIG. 4 is a cross-sectional view showing a state before use of a device according to a second embodiment of the present invention.

FIG. 5 is a cross-sectional view illustrating a state during use of the device according to the second embodiment.

FIG. 6 is a sectional view showing a state before use of a device according to a third embodiment of the present invention.

FIG. 7 is a cross-sectional view illustrating a state during use of the device according to the third embodiment.

FIG. 8 is a sectional view showing a state before use of a device according to a fourth embodiment of the present invention.

FIG. 9 is a cross-sectional view illustrating a state during use of the device according to the fourth embodiment.

FIG. 10 is a cross-sectional view showing a state before use of a device according to a fifth embodiment of the present invention.

FIG. 11 is a cross-sectional view showing a state during use of the fifth embodiment device.

FIG. 12 is an overall view showing the overall configuration of the fifth embodiment device.

FIG. 13 is a chart showing an operation flow in the fifth embodiment device.

FIG. 14 is a partially enlarged view showing a modified example of the shapes of the tip of the nozzle and the tip of the adapter according to the present invention.

FIG. 15 is an explanatory view showing a modification according to the shape of the non-through hole according to the present invention and a modification when the periphery of the object is cleaned.

FIG. 16 is a partial cross-sectional view showing an outline of a conventional device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Non-through hole 10 Object 2 Adapter 20 Adapter body 3 Nozzle 4 Air gun 41 Air supply port 42 Supply passage 43 Valve 44 Lever 51 Supply hose

Claims (15)

[Claims] 1. An adapter main body, an adapter disposed at a tip of the adapter main body and abutting around a processed non-through hole of an object to partition the object, and an adapter inserted into the adapter and inside the non-through hole. A nozzle formed between the nozzle and the adapter, the passage being formed between the nozzle and the adapter, and discharging the foreign matter in the non-through hole by the air ejected by the nozzle. apparatus. 2. The adapter according to claim 1, wherein one end of the adapter is connected in communication with the passage formed between the nozzle and the adapter, and foreign matter in the non-through hole is removed by the air ejected by the nozzle. A noise prevention device for an air nozzle, comprising a discharge hose that discharges outside the main body. 3. The air nozzle according to claim 2, wherein the other end of the discharge hose is inserted, an air discharge hole is formed in an upper portion, and a collection box for storing the discharged foreign matter is provided. Noise control device. 4. The valve according to claim 3, wherein a valve disposed in a supply passage connecting the air supply port to which the supply hose connected to the compressed air source is mounted and the nozzle is opened and closed by a lever. A noise suppressor for an air nozzle, comprising an air gun. 5. A case according to claim 3, wherein an air supply port connected to a source of compressed air and an exhaust port to which a discharge hose is mounted are formed, and a case is slidably inserted in the case. And a valve disposed in a supply passage formed between the air supply port and the nozzle. The valve presses the adapter around the non-through hole. A noise suppressor for an air nozzle, comprising an air gun configured to open when opened. 6. The air gun according to claim 2, wherein the air gun opens and closes a valve disposed in a supply passage formed between the air supply port to which a supply hose connected to the compressed air source is mounted and the nozzle by a lever. A noise prevention device for an air nozzle, comprising: an adapter body provided at a tip of the air gun, and provided with the nozzle, the adapter, and the discharge hose. 7. The air nozzle noise prevention device according to claim 6, wherein a push switch for interlocking the lever provided on the air gun is provided on the adapter body. 8. The noise prevention device for an air nozzle according to claim 6, wherein the adapter body is swingably locked to a tip of the air gun via a floating mechanism. 9. The moving mechanism for moving the adapter body according to claim 3, wherein the nozzle is inserted into the non-through hole after the adapter moves and contacts the non-through hole of the object. A noise prevention device for an air nozzle, comprising a switch for detecting the noise. 10. The controller according to claim 9, further comprising: a controller that outputs a control signal based on a contact signal from the switch, and a switching valve that supplies air from a compressed air source based on the control signal from the controller. A noise prevention device for an air nozzle characterized by the above-mentioned. 11. The adapter according to claim 9, wherein a plurality of said adapter bodies are disposed on the support member moved by said moving mechanism so as to face a plurality of non-through holes of said object. Noise reduction device for air nozzle. 12. The noise reduction device for an air nozzle according to claim 3, wherein an axial slit is formed at an air blowing end of the nozzle. 13. The noise prevention device for an air nozzle according to claim 3, wherein a tapered portion for guiding the non-through hole of the object is formed at a tip of the adapter. 14. The noise prevention device for an air nozzle according to claim 3, wherein an air blowing end of the nozzle is disposed so as to protrude from a tip of the adapter. 15. The noise prevention device for an air nozzle according to claim 9, wherein a tip of the adapter is disposed so as to protrude from an air blowing end of the nozzle.