JP5180859B2 - Solenoid valve manifold - Google Patents

Description

  The present invention relates to a solenoid valve manifold in which a plurality of valve assemblies are assembled and attached to a support member.

A solenoid valve of a type in which a plurality of valve assemblies each having a pilot solenoid valve are assembled and mounted on a support member is called a solenoid valve manifold or a manifold solenoid valve. The valve assembly includes a main valve block provided with a main valve shaft for switching a flow path, and a pilot solenoid valve attached to the main valve block, and the pilot solenoid valve is driven by a solenoid to cause fluid to flow into the main valve shaft. The flow path is switched by the main valve shaft. The solenoid valve manifold as to set the solenoid valve indirect-action with a pilot solenoid valve mounted on the manifold base, as described in Patent Document 1, a supply port and the discharge port is formed There is a type in which a valve assembly is attached to one manifold base, and the manifold base is attached to a support rail called a DIN rail.

  There are types of solenoid valve manifolds in which each valve assembly is attached to a valve base. In this type of solenoid valve manifold, a plurality of valve bases each having a valve assembly mounted thereon are assembled and mounted on a support rail, and are formed by assembling a plurality of valve bases. A supply channel and a discharge channel are formed inside the assembly. This type of solenoid valve manifold is referred to as a stacking type or a split type. In order to supply power to each solenoid in a concentrated manner, when a power supply block, that is, a wiring block, is mounted on the continuous assembly, a wiring-saving solenoid valve manifold is obtained. This power supply block is also attached to the support rail.

  Reduced wiring type solenoid valve manifold with wiring block is used when the wiring block is attached to one end of the support rail, that is, one end of the continuous assembly, and attached to the other end. May be. Patent Document 2 describes an electromagnetic valve manifold in which a power supply block, that is, a wiring block, can be attached to both ends of a continuous assembly, that is, both left and right ends.

JP-A-11-118053 JP 2007-205440 A

  In the wiring-saving type solenoid valve manifold described in Patent Document 2, the first and second wiring circuits are formed in the valve block on which the valve assembly is mounted, and the left wiring block is the left end of the continuous assembly. When connected to the part, a block provided with a connection circuit for connecting the first and second wiring circuits is connected to the right end part. On the other hand, when the right wiring block is connected to the right end of the continuous assembly, the block provided with the connection circuit is connected to the left end.

  As described above, in the conventional wiring-saving solenoid valve manifold, it is necessary to form a wiring circuit in the valve block and to expose the terminals on both surfaces of the valve block, which complicates the structure of the valve block. Become. In addition, when the wiring block for the left side and the wiring block for the right side are prepared in advance and the installation location of the manifold solenoid valve is changed, the wiring block must be replaced.

  An object of the present invention is to enable the same wiring block to be arranged at either end of both ends of a continuous assembly.

Solenoid valve manifold of the present invention, there is provided a solenoid valve manifold in which a plurality of valve assemblies are configured to set, the valve assembly is mounted, the supply hole and the discharge hole and a solenoid in communication with the valve assembly A wiring base through which a wiring to be connected penetrates is formed in a thickness direction, a supply port that communicates with the supply hole, a discharge port that communicates with the discharge hole, and the wiring hole. A wiring hole that is formed through the thickness direction and is connected to a plurality of valve bases that are assembled to form a continuous assembly, and is attached to one end of the continuous assembly. A first end block in which a first wiring hole communicating with the wiring hole of the continuous assembly is formed; and the wiring hole of the continuous assembly is attached to the other end of the continuous assembly. Communicate with A second end block which is the second wiring holes are formed, said communication設集said first and second end blocks mounted on opposite ends of the coalescing is fastened, and the communication設集coalescing said first A support member fixed by the second end block and a connector to which an external signal line is connected and a terminal plug to which each wiring is connected are detachably connected, and the first and second connectors are provided. A wiring block that is detachably mounted on one of the end blocks, and an outer surface of the second end block that is mounted on the second end block when the wiring block is mounted on the first end block. And when the wiring block is mounted on the second end block, the end is mounted on the first end block and covers the outer surface of the first end block. And having a bar.

  The solenoid valve manifold according to the present invention is characterized in that an opening / closing member for exposing the wiring hole to the outside is provided in the valve base and the piping block so as to be freely opened and closed. In the solenoid valve manifold of the present invention, when the end cover is attached to the end block, a protrusion provided on the end cover is inserted, and when the wiring block is attached to the end block, the end block penetrates the wiring block. An insertion hole to which a screw member is attached is formed in the end block. In the solenoid valve manifold of the present invention, the wiring block is a parallel type in which the connector has a number of connector pins corresponding to each solenoid. In the solenoid valve manifold of the present invention, the wiring block has a connector to which a common signal line for sending a signal corresponding to each solenoid from the outside by multiplex transmission is connected, and a multiplex transmission signal to each solenoid. It is a serial type having a signal conversion unit for converting into a corresponding parallel signal.

  According to the present invention, end blocks are provided at both ends of a continuous assembly formed by assembling a plurality of valve bases each mounted with a valve assembly and a piping block provided with a supply port and a discharge port. Is attached, and either one of the end cover and the wiring block is selectively attached to each end block. Therefore, it is possible to easily change between a configuration in which the wiring block is arranged on one end side of the continuous assembly and a configuration in which the wiring block is arranged on the other end side without performing component replacement.

  Since the wiring passage is formed in the continuous assembly, the wiring routing can be changed in the wiring passage without providing a wiring circuit on the valve base. By providing the valve base and piping block with lid members that expose the respective wiring holes to the outside so that they can be opened and closed, it is possible to easily change the routing of the wiring in the wiring passage by opening the respective lid members. it can.

  As the wiring block, either a parallel type that is sent from an external controller to a plurality of solenoids as a parallel signal, or a serial type that is sent from an external controller to a plurality of solenoids by a multiplex transmission signal via a common signal line It can be.

It is a top view which shows the solenoid valve manifold which is one embodiment of this invention, (A) shows the state with which the wiring block was mounted | worn on the left side, (B) shows the state with which the wiring block was mounted | worn on the right side . It is a perspective view which shows the solenoid valve manifold of FIG. 1 (A) in the state from which the wiring block was removed. It is a perspective view which shows the solenoid valve manifold of FIG. 1 (B) in the state from which the wiring block was removed. FIG. 2 is a left side view of FIG. It is a top view which shows the solenoid valve manifold of FIG. 1 (A) in the state which removed the wiring block and the end cover. (A) is a front view of a wiring block, (B) is a front view of an end cover. It is a left view of a valve base. It is a left view of a piping block. It is a left view of a 1st end block. It is a right view of the 2nd end block. It is a top view which shows the solenoid valve manifold which is other embodiment of this invention, (A) shows the state with which the wiring block was mounted | worn on the left side, (B) shows the state with which the wiring block was mounted | worn on the right side. Show. FIG. 12 is a left side view of FIG.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The solenoid valve manifold 10 shown in FIG. 1 has eight valve assemblies 11. Each valve assembly 11 is mounted on a valve base 12 as shown in FIG. The eight valve bases 12 on which the valve assemblies 11 are mounted are butted together at the side surfaces. The illustrated solenoid valve manifold 10 has eight valve bases 12 each mounted with a valve assembly 11, but the solenoid valve manifold 10 can be constituted by any number of valve bases 12.

  FIG. 7 shows the left side of the valve base 12, and the valve base 12 is formed with a supply hole 13 and two discharge holes 14, 15 penetrating in the thickness direction. In FIG. 1, the left side surface of one valve base 12 is indicated by a symbol A, and the right side surface is indicated by a symbol B.

  The valve base 12 has a cylindrical portion 13a formed with a supply hole 13 protruding from the left side A, and cylindrical portions 14a and 15a formed with discharge holes 14 and 15, respectively, protruding from the left side A. The right side surface B of the valve base 12 is formed with a fitting hole into which each of the cylindrical portions 13a to 15a of the other valve base 12 to be abutted therewith is fitted or fitted. As a result, when all the valve bases 12 are assembled in a state of abutting each other on the side surfaces, supply channels connected by the respective supply holes 13 are formed, and discharge channels connected by the respective discharge holes 14 and 15 are formed. Will be formed.

  A wiring hole 16 is formed on the rear end side of the valve base 12 so as to penetrate in the thickness direction. When all the valve bases 12 are abutted with each other on the side surface, a wiring passage connected by the respective wiring holes 16 is formed. Will be formed. As shown in FIG. 7, a lid member 17 is mounted at the rear end of each valve base 12 so as to be openable and closable around a hinge 17a. When the lid member 17 is opened, the wiring hole 16 is exposed to the outside. Exposed.

Two output ports 18 and 19 each formed by a joint are provided on the front side of the valve base 12, and each output port 18 and 19 is fitted with a pipe connected to a pneumatically operated device. It has become. The valve assembly 11 includes a main valve block 20a. A supply hole 13 and discharge holes 14 and 15 communicate with a valve shaft housing hole (not shown) formed in the main valve block 20a, and output ports 18 and 19 are provided. An output hole (not shown) that communicates with the valve shaft accommodation hole communicates with the valve shaft accommodation hole. A main valve shaft (not shown) is incorporated in the valve shaft housing hole, and the flow path is switched to a state where the supply hole and one output hole communicate with each other by the main valve shaft. The main valve block 20a is provided with a solenoid 20b that constitutes a pilot electromagnetic valve, and compressed air from the supply hole is supplied to the main valve shaft by a drive signal supplied to a coil (not shown) provided in the solenoid 20b. The main valve shaft is driven in the axial direction. The valve assembly 11 is an indirect operation type having a pilot electromagnetic valve, and the basic structure of the valve assembly 11 is substantially the same as the electromagnetic valve described in Japanese Patent No. 2826460, for example.

  In FIG. 2, a piping block 21 is attached to the valve base 12 on the right end side. The eight valve bases 12 and the piping block 21 mounted so as to abut against the valve base 12 at the right end constitute a continuous assembly 22 in which these are assembled.

  As shown in FIG. 8, the piping block 21 is formed with a supply hole 23 communicating with the supply flow path and discharge holes 24 and 25 communicating with the discharge flow path in the thickness direction. The piping block 21 is provided with a supply port 26 and a discharge port 27 each formed by a joint, and the supply port 26 is connected to a pipe connected to an air pressure supply source. The valve base 12 is in communication with the supply hole 13. An exhaust pipe is connected to the discharge port 27, and the discharge port 27 is in communication with the discharge holes 14 and 15 of each valve base 12.

  Corresponding to the wiring holes 16 of the valve base 12, wiring holes 28 are formed through the rear end portion of the piping block 21 in the thickness direction, and the wiring holes 28 are formed by the wiring holes 16 of all the valve bases 12. It communicates with the wiring path. As shown in FIG. 8, a lid member 29 is attached to the rear end of the piping block 21 so as to be openable and closable around a hinge 29a. When the lid member 29 is opened, the wiring hole 28 is exposed to the outside. The

  FIG. 8 shows a left side surface of the piping block 21, and a cylindrical portion 23a in which a supply hole 23 is formed protrudes from the left side surface A in the piping block 21, and a cylindrical portion in which discharge holes 24 and 25 are formed, respectively. 24a and 25a protrude from the left side A. Each of the cylindrical portions 23a to 25a is adapted to fit into a fitting hole formed in the valve base 12 when the piping block 21 is abutted against the valve base 12 on the right end side. Therefore, the compressed air supplied from the outside to the supply port 26 is supplied to each valve assembly 11 through the supply hole 13 formed in each valve base 12, and the air discharged from the valve assembly 11 is The gas is discharged from the common discharge port 27 through the discharge holes 14 and 15 to the outside.

  Rail grooves 30 a are formed on the bottom surfaces of the valve bases 12, and rail grooves 30 a are also formed on the bottom surfaces of the piping blocks 21 so as to correspond to the rail grooves 30 a of the valve base 12. The continuous assembly 22 formed by combining a plurality of valve bases 12 and one piping block 21 is formed with rail grooves that are connected by all rail grooves 30a. It arrange | positions at the support rail 30 as a support member which enters 30a. This support rail 30 is called a DIN rail.

  As shown in FIG. 1, a first end block 31 is attached to the piping block 21 at one end of the continuous assembly 22. As shown in FIG. 9, the end block 31 is provided with a cylindrical portion 32 that is fitted into a fitting hole that constitutes the supply hole 23 of the piping block 21 so as to protrude from the left side surface A. Two cylindrical portions 33 and 34 that are fitted into fitting holes constituting the discharge holes 24 and 25 are provided so as to protrude from the left side surface A. Furthermore, the end block 31 is formed with a wiring hole 35 communicating with the wiring hole 28 of the piping block 21 in the thickness direction. The cylindrical portions 32 to 34 are provided with blocking walls 32a to 34a for closing the cylindrical portions 32 to 34. When the end block 31 is attached to the piping block 21, the supply passage and the discharge passage formed by the continuous assembly 22 are provided. The right end is closed by the end block 31.

  As shown in FIG. 1, a second end block 41 is attached to the other end of the continuous assembly 22. The second end block 41 is symmetrical with the first end block 31 on the left and right. As shown in FIG. 10, the second end block 41 is provided with a fitting hole 42 into which the cylindrical portion constituting the supply hole 13 of the valve base 12 on the left end side is fitted. Two fitting holes 43 and 44 into which cylindrical portions constituting the discharge holes 14 and 15 of the valve base 12 are fitted are provided so as to protrude from the right side surface. Furthermore, a wiring hole 45 communicating with the wiring hole 16 of the valve base 12 is formed through the end block 41 in the thickness direction. The respective fitting holes 42 to 44 are provided with blocking walls 42 a to 44 a for closing the respective fitting holes 42 to 44, and the supply formed by the continuous assembly 22 when the end block 41 is mounted on the valve base 12 on the left end side. The left end portions of the passage and the discharge passage are respectively closed by the end block 41.

  Rail grooves 30a are formed on the bottom surfaces of the end blocks 31 and 41, and the end blocks 31 and 41 are fastened to the support rail 30 via fastening members (not shown) as shown in FIG. The screw members 36, 46 are fixed to the support rail 30. The continuous assembly 22 that has been assembled by fitting the cylindrical portions into the fitting holes is supported by end blocks 31 and 41 that are arranged at both ends and fixed to the support rail 30. It will be fixed to 30.

  In the illustrated solenoid valve manifold 10, the side on which the output ports 18 and 19 are mounted is the front surface, and the side on which the support rail 30 is mounted is the bottom surface. Either the wiring block 51 or the end cover 52 is selectively attached to the two end blocks 31 and 41 attached to the left and right ends of the continuous assembly 22. FIG. 1A shows the solenoid valve manifold 10 with the wiring block 51 mounted on the left second end block 41 and the end cover 52 mounted on the right first end block 31. . On the other hand, FIG. 1B shows the solenoid valve manifold 10 with the wiring block 51 attached to the right end block 31 and the end cover 52 attached to the left end block 41.

As shown in FIGS. 2 and 4, the wiring block 51 is provided with a connector 53. A terminal plug 54 is connected to the inside of the connector 53, and wiring 55 connected to each solenoid is attached to the terminal plug 54 as a bundle. For example, when the solenoid valve manifold has eight valve assemblies 11 each having two solenoids, 16 drive signal lines and common lines are attached to the terminal plug 54.

  In order to send drive signals to the respective solenoids from the outside, plugs (not shown) having signal line terminals electrically connected to an external transmission-side controller are connected to the connector 53. The wiring block 51 shown in FIG. 1 is a parallel type, and the connector 53 is provided with a connector pin 56 that is electrically connected to each solenoid. With respect to the parallel type wiring block 51, a driving signal is sent from an external controller to each solenoid via a separate wiring (not shown), and each wiring connected to the external controller is connected. Is electrically connected to the wiring 55 through the connector pin 56 and the terminal plug 54.

  As shown in FIGS. 2 and 3, each end block 31, 41 is formed with an insertion hole 60 and an engagement hole 61 in the front side portion and the back side portion, respectively. As shown in FIG. 5 and FIG. 6A, claw portions 62 that are engaged with the respective engagement holes 61 are provided on the inner surface of the wiring block 51. A plurality of through holes 63 are formed in the wiring block 51 so as to correspond to the respective insertion holes 60, and tapping screws 64 as screw members that are attached to the wiring block 51 through the respective through holes 63 are inserted. It can be attached to the hole 60. Therefore, when the wiring block 51 is attached to the end blocks 31 and 41, the tapping screw 64 is inserted into the insertion hole 60 through the through hole 63 with the claw portion 62 engaged with the engagement hole 61. Screw fixing.

  As shown in FIG. 5 and FIG. 6B, the end cover 52 is provided with a protrusion 65 that is inserted into the insertion hole 60 of the end block 31, 41, and a claw that is engaged with the engagement hole 61. A portion 66 is provided protruding from the inner surface. Thus, the end cover 52 is detachably mounted on the outer surfaces of the end blocks 31 and 41 by inserting the projection 65 into the insertion hole 60 and engaging the claw portion 66 with the engagement hole 61. When the end cover 52 is attached to the outer surfaces of the end blocks 31 and 41, the outer surfaces of the end blocks 31 and 41 are covered by the end cover 52, and the wiring holes 35 and 45 are covered by the end cover 52. The end cover 52 may be attached to the end blocks 31 and 41 by a tapping screw that is inserted into the insertion hole 60 and screwed in the same manner as the wiring block 51. In this case, the end cover 52 corresponds to the protrusion 65. A through hole is formed in the portion.

  No rail groove is provided on the bottom surface of the wiring block 51, and when the wiring block 51 is attached to the end blocks 31, 41, the bottom surface of the wiring block 51 is in a separated state without contacting the support rail 30. Wiring holes 35 and 45 are formed through the end blocks 31 and 41, respectively. When the wiring block 51 is attached to one end block 41 and the end cover 52 is attached to the other end block 31, electromagnetic As shown in FIG. 1A, the valve manifold 10 has a configuration in which a wiring block 51 is attached to the left end portion of the continuous assembly 22 via an end block 41. On the other hand, when the positions of the wiring block 51 and the end cover 52 are reversed, as shown in FIG. 1B, the solenoid valve manifold 10 is connected to the right end portion of the continuous assembly 22 via the end block 31. The wiring block 51 is mounted.

  When the positions of the wiring block 51 and the end cover 52 are reversed, the lid members 17 and 29 provided on the valve base 12 and the piping block 21 are used to change the position of the terminal plug 54 to the left and right of the continuous assembly 22. Opened. When the lid members 17 and 29 are opened, the terminal plug 54 and the wiring 55 can be fed out from the back side of the continuous assembly 22, and the position of the terminal plug 54 can be easily changed.

  Thus, when the installation location of the solenoid valve manifold 10 is changed and the position of the wiring block 51 is changed from the condition of the signal wire being wound around to the connector 53 from the outside, the parts are not replaced. The position of the wiring block 51 can be changed. In addition, you may make it provide a cover member also in each end block 31 and 41 in order to expose a wiring hole outside.

  A signal is sent from the controller on the transmission side to each solenoid, a parallel transmission method in which a signal is sent from the controller via a signal line corresponding to each solenoid of the solenoid valve manifold 10, and a common signal line from the controller. There is a serial transmission method in which a signal corresponding to the solenoid is sent by multiplex transmission.

  The wiring block 51 shown in FIG. 1 has a connector 53 corresponding to a parallel signal system, and when a signal is transmitted by a serial transmission system, another type of wiring block is used.

  11 and 12 show a solenoid valve manifold provided with a wiring block 71 based on a serial transmission method.

  The wiring block 71 is provided with a connector 72 to which a common signal line for sending a signal for each solenoid from an external controller in series by multiplex transmission is connected. Inside the wiring block 71, there is provided a signal conversion unit that converts a serial signal sent by a common signal line into a parallel signal, that is, a parallel signal, corresponding to each solenoid. The signal converted into parallel is supplied to each solenoid via a wiring 55 connected to the terminal plug 54. Note that a frequency division multiplex transmission system can be used as the multiplex transmission system, and any of them can send signals to all solenoids through a common signal line. This transmission method is a broad serial type.

  FIG. 11A shows an electromagnetic valve manifold in which the wiring block 71 is mounted on the left end portion of the continuous assembly 22 via the end block 41, and at that time, the end cover 52 is mounted on the end block 31. On the other hand, FIG. 11B shows the solenoid valve manifold 10 in which the wiring block 71 is attached to the right end portion of the continuous assembly 22 via the end block 31. At that time, the end cover 52 is attached to the end block 41. The

  A through hole (not shown) is formed in the wiring block 71, and the attachment of the wiring block 71 to the end blocks 31, 41 is tapping screw as a screw member as in the wiring block 51 described above, as shown in FIG. 64.

  In each of the solenoid valve manifolds 10 described above, a wiring passage that accommodates a plurality of wires 55 connected to the solenoid is formed in the continuous assembly 22, and the position of the terminal plug 54 is set to the continuous assembly. It can be moved or rearranged to either the left or right end side of 22. End blocks 31 and 41 are respectively attached to the end portions of the continuous assembly 22, and the wiring blocks 51 and 71 can be attached to both end blocks 31 and 41. An end cover 52 is attached to the end blocks 31 and 41 to which no 71 is attached.

  Thus, the operation of changing the installation location of the solenoid valve manifold 10 and changing the positions of the wiring blocks 51 and 71 from one end side to the other end side of the solenoid valve manifold 10 is performed by changing the positions of the wiring blocks 51 and 71 and the end cover 52. By simply reversing, it is possible to easily carry out without replacing parts.

  The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention. For example, although the illustrated solenoid valve manifold 10 has eight valve bases 12 connected together, the eight valve bases 12 are divided into, for example, two sets of two valve bases 12, and two sets of valve bases 12 are divided. You may make it equip the piping block 21 between groups.

10 Solenoid valve manifold 11 Valve assembly 12 Valve base 13 Supply hole 14, 15 Discharge hole 16 Wiring hole 17 Lid member 18, 19 Output port 20a Main valve block 20b Solenoid 21 Piping block 22 Consecutive assembly 23 Supply holes 24, 25 Discharge hole 26 Supply port 27 Discharge port 28 Wiring hole 29 Cover member 30 Support rail 31 End block (first end block)
32 to 34 cylindrical portion 35 wiring hole 41 end block (second end block)
42 to 44 Cylindrical portion 45 Wiring hole 51 Wiring block 52 End cover 53 Connector 54 Terminal plug 55 Wiring 56 Connector pin 71 Wiring block 72 Connector

Claims (5)

A solenoid valve manifold in which a plurality of valve assemblies are configured to set,
A valve base on which the valve assembly is mounted, and a supply hole and a discharge hole communicating with the valve assembly, and a wiring hole through which a wiring connected to a solenoid penetrates, respectively, in the thickness direction;
A supply port communicating with the supply hole and a discharge port communicating with the discharge hole are provided, and a wiring hole communicating with the wiring hole is formed penetrating in the thickness direction and attached to the plurality of valve bases assembled together A piping block that forms a continuous assembly;
A first end block attached to one end of the continuous assembly and having a first wiring hole communicating with the wiring hole of the continuous assembly ;
A second end block attached to the other end portion of the continuous assembly and having a second wiring hole communicating with the wiring hole of the continuous assembly ;
The first and second end blocks mounted on both ends of the continuous assembly are fastened, and the support member is fixed by the first and second end blocks.
A connector is provided to which an external signal line is connected and a terminal plug to which each of the wirings is connected is detachably connected. The connector is detachably attached to one of the first and second end blocks. A wiring block;
When the wiring block is mounted on the first end block, the wiring block is mounted on the second end block so as to cover the outer surface of the second end block, and the wiring block is mounted on the second end block. An electromagnetic valve manifold having an end cover that is sometimes attached to the first end block and covers an outer surface of the first end block.
  2. The electromagnetic valve manifold according to claim 1, wherein an opening / closing member that exposes the wiring hole to the outside is provided in the valve base and the piping block so as to be openable and closable.   3. The solenoid valve manifold according to claim 1, wherein a protrusion provided on the end cover is inserted when the end cover is mounted on the end block, and the wiring is mounted when the wiring block is mounted on the end block. An electromagnetic valve manifold, wherein an insertion hole to which a screw member penetrating the block is attached is formed in the end block.   4. The solenoid valve manifold according to claim 1, wherein the wiring block is a parallel type in which the connector has a number of connector pins corresponding to each of the solenoids. 5. .   The solenoid valve manifold according to any one of claims 1 to 3, wherein the wiring block is connected to a connector to which a common signal line for sending a signal corresponding to each solenoid from the outside by multiplex transmission is connected, and multiplex transmission. A solenoid valve manifold having a serial type having a signal conversion unit for converting a signal into a parallel signal corresponding to each of the solenoids.

Images