JP3021798B2 - Manifold with fluid control mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manifold for connecting a plurality of manifold blocks, defining a plurality of common fluid passages in each manifold block, and interposing an interface block for a fluid control mechanism. The present invention relates to a manifold with a fluid control mechanism attached to a block.

[0002]

2. Description of the Related Art In a conventional manifold, a vacuum unit, a valve, other electric circuit elements, a switching valve for a cylinder, and the like are mounted on a manifold block in which a plurality of cylinders are connected depending on the application. In such a case, in order to input and output a fluid pressure and an electric signal to a fluid control element mounted on the manifold block,
A manifold block having individually provided input / output ports was used, or the manifold block was once disassembled and then reconnected and used again according to the application.

[0003]

However, in the above-described conventional manifold, various types of manifold blocks having input / output ports for each fluid control element mounted on the manifold block are prepared and connected. In addition, there is a trouble such as disassembling and connecting the manifold block each time according to the application.

Further, since the input / output ports are individually provided, a lot of space is required for wiring for passage of fluid pressure signals and electric signals to / from the input / output ports, and the wiring becomes complicated. There are also problems such as.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a fluid control system comprising a plurality of interconnectable common manifold blocks, and at least a fluid pressure control unit and an electric unit. A mechanism block, and an interface block interposed between the manifold block and the fluid control mechanism block, wherein each of the manifold blocks has a plurality of fluid supply passages, a fluid exhaust passage, and a wiring passage. Connecting the respective manifold blocks to each other so that the fluid supply passage, the fluid exhaust passage, and the wiring passage communicate with each other, and the fluid supply passage and the fluid exhaust passage of the manifold block are connected to the fluid pressure control unit of the fluid control mechanism block. In addition, wiring passages of the manifold block are connected to electrical portions of the fluid control mechanism block, respectively. Communicated with via the connection port interface block, to the interface block, respectively leading output port is provided in the fluid pressure control unit and the electrical portion of the fluid control mechanism block, further, before
The fluid control mechanism block is connected via the wiring passage.
Connection terminal block wiring connected to said Rukoto provided.

Further, according to the present invention, a blocking member is interposed at an arbitrary position of an arbitrary fluid supply passage among the plurality of fluid supply passages which are communicated with each other, and divided into a closed passage communicating only with a selected manifold block. It is characterized by the following.

[0007]

[0008]

The manifold with a fluid control mechanism according to the present invention comprises:
An interface block is interposed between a manifold block and a fluid control mechanism block that is formed by blocking a fluid control element including a fluid pressure unit and an electric unit,
The three members are connected and integrated. The control fluid controlled by the fluid control mechanism block can be output from the input / output port of the interface block for each of the closed passages selected using the closing member. Also, by inputting an electric signal from one input / output port to the electric part of the fluid control mechanism block, a signal is sent to the electric part of the fluid control mechanism block mounted on each manifold block through the wiring passage of the manifold block. Can be entered.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of a manifold with a fluid control mechanism according to the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a longitudinal sectional view of a manifold with a fluid control mechanism according to an embodiment of the present invention, and FIG. 2 is a partially exploded perspective view of FIG.

The manifold 10 with a fluid control mechanism is basically a manifold block 12 and a fluid control mechanism block 14 which is obtained by blocking various fluid control elements.
And an interface block 16 interposed between the two.

More specifically, the manifold block 12
As shown in FIG. 2, the first fluid supply passage 18 and the second fluid supply passage 20 each having a circular cross section
And, for example, a first fluid exhaust passage 22 having a circular cross section,
It has an opening for the second fluid exhaust passage 24 and a wiring passage 26 having, for example, a rectangular cross section, and these openings penetrate to opposing one side surfaces to define through holes (not shown). And the through holes 18a, 20a, 22a, 24a, 26a reaching the upper surface concave portion of the manifold block 12 above the through hole (not shown) in the direction of the axis thereof and the through hole (not shown). It is defined as communicating. The upper surface and one side surface of the manifold block 12 are mounted flush with the upper surface of the interface block 16.
A recess 28 having substantially the same shape as the shape of the interface block 16 is formed. The manifold block 12
The material of the interface block 16 is formed of a resin-based material.

On one side surface of the interface block 16, fluid input / output ports 30, 31 and electric signal input / output ports 32, 33 are provided.
6, a plurality of connection ports 18b, 20b, 22b, 2b, 2a, which communicate with through holes 18a, 20a, 22a, 24a, 26a arranged in the manifold block 12.
4b, 26b and the input / output ports 30, 31, 32,
The openings 30a, 3a of the passages communicating with each other from 33
1a, 32a, and 33a are defined.

The fluid control mechanism block 14 is a block of various fluid control elements, and includes a fluid pressure control unit 34 for controlling fluid pressure and an electric unit 36 for controlling electric signals. As shown in FIG. 1, the fluid pressure control unit 34 communicates with the fluid input / output ports 30 and 31 of the interface block 16, and the electric unit 36 communicates with the electrical signal input / output ports 32 and 33 of the interface block 16. are doing.

Next, the operation of the manifold 10 with the fluid control mechanism configured as described above will be described.

First, a pipe is connected to the first fluid supply passage 18 of the manifold block 12, and a pressurized fluid is supplied from, for example, an air supply source. The supplied pressurized fluid reaches the fluid pressure control unit 34 of the fluid control mechanism block 14 through the through hole 18a of the first fluid supply passage 18 and the connection port 18b of the interface block 16. Here, after various controls are performed on the pressurized fluid, the openings 30a of the interface block 16 are
The fluid is output from the fluid input / output ports 30 and 31 through 31a, 32a and 33a, respectively, and the first and second fluid exhaust passages 22 and 2 of the manifold block 12 are connected through the connection ports 22b and 24b of the interface block 16.
It is discharged from 4. Further, the fluid control mechanism block 1
The fluid, the pressure of which is adjusted and the flow rate adjusted by the fluid pressure control unit 34, is supplied via the connection port 20b of the interface block 16 to the second fluid supply which is selectively divided into a closed passage by using a closing member 38 described later. It is introduced into the passage 20. Therefore, the pressurized fluid supplied from the first fluid supply passage 18 is
Second fluid supply passage 2 which is a selectively divided closed passage
By introducing 0, a plurality of supply fluids can be selectively used in the same manifold. The first and second fluid exhaust passages 22 and 24 use, for example, the first fluid exhaust passage 22 as a normal exhaust passage in accordance with a fluid control element disposed inside the fluid control mechanism block 14. And the second fluid exhaust passage 24 can be selectively used so as to be used as an exhaust passage of a pilot pressure reducing valve (not shown) as a fluid control element.

The electric section 36 of the fluid control mechanism block 14 receives an electric signal from the outside via the electric signal input ports 32 and 33 of the interface block 16, for example, like a solenoid valve (not shown). The opening and closing of the solenoid valve can be controlled. This solenoid valve
It is possible to form a centralized wiring terminal through the wiring path 26 via the connection port 26b of the interface block 16.

Next, a plurality of manifolds 10 with a fluid control mechanism are connected in series, and the manifold block 12
A case will be described in which a closing member 38 is interposed at an arbitrary position in the second fluid supply passage 20 to divide into a closed passage that communicates only with the selected manifold block 12.

FIGS. 3 to 5 show a specific example of a case where the manifold block is divided into several closed passages by interposing, for example, a closed member 38 between the connected manifold blocks. FIG. 3 shows a first method of closing the second fluid supply passage 20, in which a step portion 40 is provided at one end side of the second fluid supply passage 20 to which the manifold block 39 communicates.
A closing member 38 having substantially the same shape as the opened step portion 40 and having the same thickness as the step portion of the step portion 40 is formed, and the closing member 38 is inserted into the step portion 40 to form the second fluid supply passage 20. Cut off any position. It is even more effective if an O-ring is provided on the step portion 40 and used in combination.

FIG. 4 shows a second method for closing the second fluid supply passage 20, in which a plate-like plate member 42 substantially identical to one side surface to which the manifold block 12 is connected is interposed between the manifold blocks 12. I do. That is, the plate member 4 provided with the hole portion 44 appropriately in accordance with the fluid supply passage to be communicated among the plurality of fluid supply passages 18 and 20.
2 is inserted between the manifold blocks 12 to connect the manifold blocks 12 to each other. This plate member 42
The fluid supply passage to be closed can be changed by molding a resin-based material such as plastic and appropriately changing the position where the hole 44 is provided. Further, the plate member 4
2 may also be used as a gasket (not shown), and may be used as a manifold block 12 and a plate member 42.
A groove is provided around the hole 44 of the sealing member (not shown).
It is even more effective when used together.

FIG. 5 shows a third method for closing the second fluid supply passage 20.
6 is provided, and a plug member 48 having a male thread is fitted into the female thread portion 46 to close the second fluid supply passage 20.

Next, a plurality of manifolds 10 with a fluid control mechanism are connected by using such a closing member 38 or the like.
The operation when the second fluid supply passage 20 is divided into several closed passages will be described.

Since the operation of each fluid control mechanism block 14 is as described above, a detailed description thereof will be omitted. However, by dividing into several closed passages, the fluid control system communicating with the divided closed passages is controlled. By mounting a different fluid control mechanism block 14 for each of several parts with the mechanism-equipped manifold 10 as one part, different fluid controls can be performed collectively. For example,
In one part, a fluid control mechanism block 14 (specifically, a pressure reducing valve or the like) for controlling the pressure of the fluid is mounted, and in the next part, a fluid control mechanism block 14 for controlling the flow rate of the fluid is mounted. (Specifically, a throttle valve, etc.), and a fluid control mechanism block 14 (specifically, a switching valve, etc.) for controlling the direction of fluid may be mounted in the next part.

As described above, the fluid control mechanism block 14
It is not necessary to directly provide the input / output ports 30 to 33 for each, and the interface block 16 is interposed between the fluid control mechanism block 14 and the manifold block 12,
By providing the interface block 16 with the input / output ports 30 to 33 communicating with the fluid control mechanism block 14, it is possible to centrally perform a variety of fluid controls and to reduce the working space. it can.

Next, another embodiment according to the present invention is shown in FIGS.

FIG. 6 is a longitudinal sectional view of a manifold 50 with a fluid control mechanism according to another embodiment of the present invention, and FIG.
FIG. 7 is a partially exploded perspective view of FIG. 6.

The manifold 50 with a fluid control mechanism according to the present embodiment is different from the fluid control mechanism block 14 according to the above-described embodiment in that a fluid control mechanism block 52 includes an electric unit 36.
The interface block 54 does not have the electric signal input / output ports 32 and 33, and the manifold block 56 does not have the wiring passage 26.

Accordingly, as described above, the other components are the same except for the electric section 36 and the like, and the operation is also the same, so that the detailed description is omitted.

The manifolds 10 and 50 with a fluid control mechanism according to the present invention include interface blocks 16 and 5.
By simply replacing the manifold block 4, the manifold blocks 12, 39,
The fluid control mechanism blocks 14 and 52 provided with the fluid control elements can be replaced without rearranging 45 and 56.

The manifold block 1 is formed by using the closing member 38, the plate member 42, the plug member 48 and the like.
2, 39, 45, and 56, the second fluid supply passages 20 are selectively divided into closed passages, and the pressurized fluid supplied from the first fluid supply passages 18 is supplied to the fluid control mechanism blocks 14 and 52 through the fluid control mechanism blocks 14 and 52. The pressure is adjusted by the control element, the flow rate is adjusted, and the like, and then introduced into the closed second fluid supply passage 20, whereby a plurality of supply fluids can be selectively used in the same manifold.

Further, the electric signal introduced from the electric signal input / output port 32 passes through the wiring passage 26 of the manifold block 12 and is supplied to the manifold 1 with the fluid control mechanism.
It is also possible to connect to a centralized wiring terminal provided in a part of 0. Of course, the electric part 36 as a fluid control element can also be connected to the centralized wiring terminal, so that connection with an externally provided sequence controller or the like can be easily performed.
Further, the centralized wiring terminal and the serial-parallel converter may be integrated and serially connected to a sequence controller.

[0032]

According to the manifold with a fluid control mechanism according to the present invention, the following effects can be obtained.

That is, in order to input and output fluid pressure and electrical signals to and from the fluid control mechanism block attached to the manifold block, input / output ports are individually provided in the manifold, or the manifold block is once disassembled and then used again. It is not necessary to change the arrangement according to the connection and input and output the fluid pressure and electric signal from the input / output port provided in the interface block, so that it can respond to input and output to various fluid control mechanism blocks. it can.
Therefore, since it is not necessary to individually perform input / output wiring for each fluid control mechanism block, labor saving of wiring and reduction of work space can be achieved.

Also, by using a closing member to divide the selected manifold into a closed passage communicating only with the selected manifold, it is possible to input / output a fluid controlled for each desired fluid control mechanism block from an input / output port of the interface block. it can.

Further, by providing the terminal block for wiring connection, it is possible to form a centralized wiring terminal, thereby saving wiring space.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a manifold block with a fluid control mechanism according to an embodiment of the present invention.

FIG. 2 is a partially exploded perspective view of the manifold block with a fluid control mechanism in FIG.

FIG. 3 is a specific example of closing a fluid supply passage using a closing member.

FIG. 4 is a specific example of closing a fluid supply passage using a closing member.

FIG. 5 is a specific example of closing a fluid supply passage using a closing member.

FIG. 6 is a longitudinal sectional view of a manifold block with a fluid control mechanism according to another embodiment of the present invention.

FIG. 7 is a partially exploded perspective view of the manifold block with a fluid control mechanism in FIG. 6;

[Explanation of symbols]

 10, 50 ... manifold with fluid control mechanism 12, 39, 45, 56 ... manifold block 14, 52 ... fluid control mechanism block 16, 54 ... interface block 18, 20 ... fluid supply passage 22, 24 ... fluid exhaust passage 26 ... wiring Passageway 30, 31, 32, 33 ... input / output port 18b, 20b, 22b, 24b, 26b ... connection port 34, 58 ... fluid pressure control unit 36 ... electric unit 38 ... closing member 42 ... plate member 48 ... plug member

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-138502 (JP, A) JP-A-61-97886 (JP, U) JP-A-2-145367 (JP, U) JP-A-2- 7583 (JP, U) Japanese Utility Model 3-28375 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F16K 31/06 F16K 27/00

Claims (2)

(57) [Claims] A plurality of common manifold blocks that can be connected to each other, a fluid control mechanism block including at least a fluid pressure control unit and an electrical unit, and a fluid control mechanism block between the manifold block and the fluid control mechanism block. An interposed interface block, having a plurality of fluid supply passages, a fluid exhaust passage, and a wiring passage inside each of the manifold blocks, and interconnecting the respective manifold blocks with each other to form the fluid supply passages with each other. The fluid supply passage and the fluid discharge passage of the manifold block are connected to the fluid pressure control unit of the fluid control mechanism block, and the wiring passage of the manifold block is connected to the fluid control mechanism block. Communication with the interface block via the connection port of the interface block, respectively. Moni, to the interface block, respectively leading output port is provided in the fluid pressure control unit and the electrical portion of the fluid control mechanism block, further, to the fluid control mechanism block
Is a connection terminal of the wiring connected through the wiring passage.
Fluid control mechanism with a manifold, wherein Rukoto block is provided. 2. The manifold block according to claim 1, wherein a closing member is interposed at an arbitrary position of an arbitrary fluid supply passage among the plurality of fluid supply passages communicated with each other, and a selected manifold block is provided. A manifold with a fluid control mechanism, wherein the manifold is divided into closed passages that communicate only with each other.