JP3073281B2 - Pneumatic device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a pneumatic device.

[0002]

2. Description of the Related Art A conventional pneumatic device comprises a plurality of components such as a solenoid valve, a manifold, and a switch. Therefore, the appearance of the pneumatic device is a combination of the appearance of each component. Electrical components such as switches and solenoid valves are protected by providing individual covers.

[0003]

At present, pneumatic devices used in manufacturing sites such as factories are not only easy to use but also easy to use and have a simple design in order to improve not only the function but also the atmosphere at the work site. Excellent things are required.

However, the external design such as the color, material, and shape of the actual pneumatic device affects the design of each component to be configured, and restricts both the design and the performance of the component.

[0005] On the other hand, it is desirable to provide a cover integrally with a solenoid valve or a switch, or a communication circuit such as a controller or a sequencer, for convenience of connection between power supplies and communication lines.

SUMMARY OF THE INVENTION The present invention has been made to solve this kind of problem, and is intended to provide a pneumatic device capable of freely designing an excellent external design without affecting the design of parts constituting the pneumatic device. It is intended to provide a device.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a block body and one side of the block body.
Surface, with filter element housed inside
A filter case connected to one side of the block body;
It is to cover the pneumatic device such as an electromagnetic valve including a supply valve and vacuum release valve, comprising a cover which is integrated on the appearance of the
The cover is a pneumatic equipment unit of the ejector specification including the ejector.
Knit and vacuum pump specifications with the ejector removed
Commonly used with pneumatic equipment units
Provided, wherein the Rukoto.

[0008]

By covering the components, the pneumatic device can be apparently integrated. Therefore,
The design can be determined without being restricted by the function of the component. Therefore, it is possible to realize a product which is hardly stained in appearance and is excellent in design.

Further, the electric circuit and the internal device can be protected from moisture, dust and the like.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a pneumatic device according to the present invention.

Although only a vacuum supply device as a pneumatic device has been described here, the present invention can of course be applied to other pneumatic devices.

The vacuum supply apparatus according to the present embodiment includes an ejector-compatible type, a vacuum pump-compatible type, a manifold-compatible type, and the like. First, the ejector-compatible type will be described with reference to FIGS. The pump compatible type will be described with reference to FIGS. 4 and 5, and the manifold compatible type will be described with reference to FIG.

As shown in FIG. 1, the vacuum supply device 10a has a rectangular shape, and has a vacuum port 12 formed of a one-touch type pipe joint connected to equipment such as a suction pad on one side in a short side direction. Filter 14 formed on top
A detachable button 18 for attaching and detaching the transparent filter case 16 is formed, and a compressed air supply port 20 made of a one-touch type fitting is provided on the other side surface. On the side surface in the longitudinal direction, the base 22 is provided with an exhaust port 24 and screw holes 26 for attachment. The upper portion of the base 22 is mounted to cover the parts such as a cover 23 which is integrally formed you later. The upper surface of the cover 23 holes of several is defined, L E D to display the pressure conditions such as these holes
Digital display unit 28 composed of a button for pressure set 30a
To 30d, pressure switch operation indicator light 30e, pilot solenoid valve operation indicator light for vacuum release valve 30f, pilot solenoid valve operation indicator light for supply valve 30g, manual 3 for supply valve
2. A vacuum release valve manual 34 and a flow control valve 36 are provided.
Have been killed .

As shown in FIG. 2, inside the vacuum supply device 10a, a silencer element 38 for silencing exhaust from an ejector 42 to be described later and discharging the silencer to the exhaust port 24 is provided inside the base 22.

Inside the cover 23 of the vacuum supply device main body 40, an ejector 42, a normally closed supply valve 44, a vacuum release valve 46, and pilot pressures of the supply valve 44 and the vacuum release valve 46, respectively. A pilot solenoid valve 48 for supplying a supply valve, a pilot solenoid valve 50 for a vacuum break valve, and a flow control valve 36 for compressed air used for vacuum break are provided. Also, a claw 5 is provided below the filter 14.
Lock members 54 and 54 for locking the lock members 2 and 52 are provided.
A groove 56 is provided so that the attachment / detachment button 18 is locked.

At the bottom of the filter 14, a passage 59 communicating with the vacuum port 12 and a passage 60 communicating with the ejector 42 are formed. Further, claws 52, 52 that engage with the locking members 54, 54 of the vacuum supply device main body 40 are formed. Further, the passage 59, the check valve 66 which is only opened when the air inlet is arranged. At the top of this portion, between the passages 59 and 60, as shown in FIG. 1 in cross section the filter element 6 8 formed in the waveform is inserted into the groove 70. The filter 14 has a filter element 6
8 is provided with a transparent filter case 16 on the upper part, so that it can be visually checked.

The vacuum supply device 10a thus configured
Operates as follows.

The compressed air supplied from the compressed air supply source reaches the supply valve 44 and the vacuum break valve 46 from the compressed air supply port 20 of the vacuum supply device. Here, the supply valve 44 is opened by urging the supply valve pilot solenoid valve 48, and the compressed air reaches the ejector 42. As a result, the vacuum supply device 10a generates a negative pressure, and air flows in from the suction pad or the like by the negative pressure. The inflowed air flows from the vacuum port 12 to the passage 59 of the filter 14.
, The check valve 66 is opened and reaches the filter element 68.

The inflow air from which dust has been removed by the filter element 68 reaches the ejector 42 from the passage 60 and is discharged from the discharge port 24 through the silencer element 38.

On the other hand, when the suction state of the suction pad or the like is released, the supply valve pilot solenoid valve 48 of the vacuum supply device 10a is deactivated to close the supply valve 44 and stop the generation of negative pressure in the ejector 42. I do. At this time, the check valve 66 of the filter 14 closes promptly to prevent dust adhering to the filter element 68 from entering the external device such as the suction pad from the vacuum port 12.

Thereafter, the pilot valve 50 for the vacuum break valve is energized, the vacuum break valve 46 is opened, and compressed air is directly supplied from the compressed air supply port 20 through the flow control valve 36 to the vacuum port 12. To release the suction state of the suction pad.

If clogging or the like becomes remarkable while repeating such a series of operations, the filter 14 itself or the filter element 68 is replaced. At this time, the detach button 18 provided on the lateral side of the vacuum supply device 10a is pushed upward (in the direction of the arrow), the detach button 18 is pulled out from the groove 56, and the lock is released.
By pressing the attachment / detachment button 18, the locking member 54,
54 is removed from the claw 52 of the filter 14, and the filter 14 is removed from the vacuum supply device main body 40. Furthermore, when replacing only the filter element 68, the filter case 16 is removed and the filter element 68 is replaced.

The ejector-compatible vacuum supply device 10a thus configured includes materials such as an ejector 42, a supply valve 44, a vacuum break valve 46, and pilot solenoid valves 48 and 50.
Regardless of the color and shape, by surrounding the entire body with the cover 23, it is possible to form a design that is less likely to be soiled and has an excellent appearance with a desired shape, material, and color. In addition, electric components such as the pilot solenoid valves 48 and 50 can be integrally covered, not individually.

On the other hand, a vacuum supply device 1 compatible with a vacuum pump
0b is configured as shown in FIGS. The vacuum supply device 10b includes an ejector-compatible vacuum supply device 10a.
By simply changing the parts of the base 22 and the ejector 42, a type compatible with a vacuum pump can be obtained. Here, the same components as those of the vacuum supply device 10a are denoted by the same reference numerals, and description thereof will be omitted.

The vacuum supply device 10b has a vacuum introduction port 74 and a vacuum breakage compressed air supply port 76 formed in the base 22b. Here, the vacuum supply device 10b
Since the passage is rearranged by the connection block 78 used in place of the ejector 42 in the vacuum supply device 10a corresponding to the ejector, each port 74,
The supply valve 44 and the vacuum release valve 46 are connected to 76.

The vacuum supply device 10b thus configured
The air is sucked from the suction pad by energizing a vacuum pump (not shown). The other operations are the same as those of the vacuum supply device 10a, and the description thereof will be omitted.

In this vacuum supply device 10b, the cover 23 that covers the vacuum supply device body 40 can be the same even though the base 22 of the vacuum supply device 10a is changed from the base 22 to the base 22b. Design. Of course, there is an effect that the number of parts does not need to be increased.

Furthermore, the vacuum supply device 10a can be a manifold-compatible vacuum supply device 10c. Instead of the compressed air supply port 20 and the exhaust port 24 provided on the base 22 of the vacuum supply device 10a, the vacuum supply device 10c is provided with a compressed air passage and a compressed air passage on both longitudinal side surfaces of the base serving as a manifold base. exhaust
Forming a through passage. Further, the base and the vacuum supply device mounted on the base are integrally covered by a cover 79. On both side surfaces of the cover 79, the exhaust port 80, compressed air supply port 82, the electrical connection part 84 is formed
Have .

Further, the vacuum supply device 10a may be one in which the shapes of the cover 23 and the filter element 68 are changed. As shown in FIG. 7, the cover 87 exposes the upper surfaces of the pilot solenoid valves 48 and 50 on the upper surface. Thus, the pilot solenoid valves 48, 50
May be exchanged and measures may be taken to prevent exhaust heat from being trapped. Also, as shown in FIGS.
In d, since the filter 86 is disposed in the vertical direction in the drawing, the peaks and valleys of the waves can be formed deeply, and the surface area can be increased.

The vacuum supply device 1 thus formed
In the case of 0, the desired material, color and shape can be formed by attaching the covers 23, 79 and 87 regardless of the material, color and shape of the component. Therefore, it is possible to provide a vacuum supply device having an excellent appearance.

In the vacuum supply device 10, the cover 23
, The electromagnetic pilot valve 48,
Electrical components such as 50 can be protected.

[0032]

According to the pneumatic device of the present invention, the following effects can be obtained.

That is, by attaching the cover to the outside of the pneumatic device main body, the material of the components of the pneumatic device,
Regardless of color and shape, it can be formed into a desired material, color and shape. Therefore, it is possible to provide a vacuum supply device which is hardly soiled and has an excellent design in appearance.

Further, the connection parts of the electric parts can be collectively protected from the outside by the cover.

[Brief description of the drawings]

FIG. 1 is a perspective view of a vacuum supply device according to an embodiment of the present invention.

FIG. 2 is an explanatory sectional view of an ejector-compatible vacuum supply device according to an embodiment of the present invention.

FIG. 3 is an explanatory sectional view of an ejector-compatible vacuum supply device according to an embodiment of the present invention.

FIG. 4 is an explanatory sectional view of a vacuum supply device compatible with a vacuum pump according to an embodiment of the present invention.

FIG. 5 is an explanatory sectional view of a vacuum supply device compatible with a vacuum pump according to an embodiment of the present invention.

FIG. 6 is a perspective view of a mold vacuum supply device compatible with a manifold according to the embodiment of the present invention.

FIG. 7 is a perspective view of an ejector-compatible vacuum supply device according to an embodiment of the present invention.

FIG. 8 is an explanatory sectional view of an ejector-compatible vacuum supply device according to the embodiment of the present invention.

FIG. 9 is an explanatory sectional view of an ejector-compatible vacuum supply device according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Vacuum supply apparatus 12 ... Vacuum port 14 ... Filter 16 ... Filter case 18 ... Detach button 23, 79, 87 ... Cover 42 ... Ejector 52 ... Claw 54 ... Locking member 66 ... Check valve 68 ... Filter element

──────────────────────────────────────────────────続 き Continued on the front page (72) Masahiko Suzuki, Inventor 4-2-2 Kinudai, Yawaharamura, Tsukuba-gun, Ibaraki Pref. SMC Corporation Tsukuba Technical Center (56) References JP-A-1-131581 (JP, A) JP-A-1-165301 (JP, U) JP-A-1-91102 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F15B 11/00-11/22

Claims (1)

(57) [Claims] 1. A block body, a filter case connected to one side surface of the block body and containing a filter element therein, and an electromagnetic member connected to one side surface of the block body and including a supply valve and a vacuum release valve. A cover that covers the pneumatic device such as a valve and externally integrates the cover, wherein the cover is a pneumatic device unit of an ejector specification including an ejector, and a pneumatic device unit of a vacuum pump with the ejector removed, A pneumatic device which is provided so as to be commonly used.