JP2005040838A - Apparatus for working cylinder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a working apparatus of a cylinder having structure enabling the other piston to be operated by reutilizing working fluid discharged when a piston is operated. <P>SOLUTION: This cylinder working apparatus has a fixed-side member 10 provided with a working/placing part 11, a movable-side member 20 which is arranged oppositely to the fixed-side member and and in which a first cylinder part 21 provided with a first front-side inflow/outflow port 22 for the working fluid and a first rear-side inflow/outflow port 23 and a second cylinder part 25 provided with a second rear-side inflow/outflow port 26 for the working fluid and a second rear-side inflow/outflow port 27 connected with the first rear-side inflow/outflow port are formed, a connecting member 30 which is composed as a first piston part 32 one side of which is fixed to the fixed-side member as a fixing part 31 and the other side of which is inserted into the first cylinder part of the movable-side member and an operating member 40 which is provided with a second piston part 41 which is inserted into a second cylinder part of the movable-side member and the operating/pressurizing part 45 with which pressurization is performed to a material to be worked placed on the working/placing part of the fixed-side member. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a cylinder processing apparatus.

  In a conventionally known cylinder device, whether it is a one-way operation type or a two-way operation type, the working fluid on the discharge side when the piston is operated is returned to the tank so that the piston operation is not hindered. (For example, refer to Patent Document 1). For example, as shown in FIG. 4 of the accompanying drawings, a conventional bi-directionally operated cylinder device 100 includes a first working fluid inlet / outlet port 121 on one end side in the cylindrical direction and a working fluid on the other end side. A third outflow inlet 123 for the working fluid is formed in the second outflow inlet 122 and the substantially central portion of the first outflow inlet 123, and the first outflow inlet side 121 is defined as the first cylinder chamber 111 and the second in the third outflow inlet 123. A cylinder part 110 having an inlet / outlet side 122 defined as a second cylinder chamber 112, a first piston 101 fitted in the first cylinder chamber 111 of the cylinder part 110, and a second cylinder chamber 112 of the cylinder part 110 And the second piston 102 inserted into the.

  In this conventional cylinder device 100, the working fluid flows into the first cylinder chamber 111 and the second cylinder chamber 112 from the first outflow inlet 121 and the second outflow inlet 122 by the solenoid valve (solenoid valve) 105, and the first The first piston 101 and the second piston 102 are moved backward in the direction approaching each other, and the working fluid discharged from the third outlet / inlet 123 is returned to the tank. When the solenoid valve 105 is switched and the working fluid flows into the first cylinder chamber 111 and the second cylinder chamber 112 from the third outlet / inlet 123, the first piston 101 and the second piston 102 are mutually connected. The working fluid is moved forward in the direction of separation, and the working fluid discharged from the first outlet port 121 and the second outlet port 122 is returned to the tank.

  However, if the working fluid on the discharge side is positively used again as the working fluid for the piston, the piston is moved in synchronism, and the piston working distance is increased accordingly. That is, as a result of increasing the operating speed of the entire piston, the time required for one cycle (one reciprocation) is shortened, and the productivity is improved.

  In addition, by reusing the working fluid on the discharge side, the working fluid required for the conventional cylinder device can be greatly reduced, and the pump capacity of the working fluid can be reduced. This is also preferable from the viewpoint of installation space and energy saving of the apparatus.

JP 2001-107911 A (page 3, FIG. 1-2)

  The present invention has been made in view of the above-described points, and has a novel structure that makes it possible to operate another piston by reusing the working fluid discharged when one piston is operated. The object is to provide an apparatus.

  That is, the invention of claim 1 is a fixed side member (10) provided with a work mounting portion (11) for a workpiece, and a first front side for working fluid which is disposed opposite to the fixed side member. A first cylinder part (21) having an outlet (22) and a first rear outlet (23), and a second front outlet (26) for working fluid and the first rear outlet are connected. A movable side member (20) formed with a second cylinder part (25) having a second rear-side outflow port (27), and one side fixed to the fixed side member as a fixed part (31); A connecting member (30) configured as a first piston part (32) whose other side is inserted into the first cylinder part of the movable side member, and a second piston part inserted into the second cylinder part of the movable side member (41) provided and mounted on the processing mounting portion of the fixed side member It has an operating member with an operating pressure portion for performing pressurization (45) relative to the workpiece (40) according to the cylinder machining apparatus according to claim.

  The invention according to claim 2 relates to the cylinder machining apparatus according to claim 1, wherein the first cylinder part is formed in a ring shape on the outer periphery of the second cylinder part.

  A third aspect of the present invention relates to the cylinder machining apparatus according to the first or second aspect, wherein the connecting member is composed of a plurality of rod-shaped objects.

  According to a fourth aspect of the present invention, a second cylinder that pressurizes the workpiece placed on the processing mounting portion of the fixed side member, wherein the third cylinder portion (50) is formed on the movable side member. The cylinder processing device according to any one of claims 1 to 3, further comprising a second operating member (60) including a pressure portion (55).

  A fifth aspect of the present invention relates to the cylinder machining apparatus according to the fourth aspect, wherein the second cylinder part is formed in a ring shape on the outer periphery of the third cylinder part.

  According to the cylinder machining apparatus of the present invention, the working fluid discharged when one piston is actuated can be reused to actuate another piston. It is possible to greatly reduce the pump capacity of the working fluid and to reduce the installation space of the apparatus and to greatly reduce the energy.

  Furthermore, since the other pistons are operated by the working fluid discharged when one piston is operated, it is possible to operate two pistons with the working fluid necessary to operate one piston. Thus, the operating speed is increased and the working efficiency can be significantly improved.

  Further, in particular, as in the invention of claim 3, by using a plurality of rod-shaped connecting members, a frame corresponding to the pressurizing force required in the press working which has been conventionally required becomes unnecessary, and the configuration of the apparatus Can be simplified and the installation space can be reduced.

  Furthermore, as in the invention of claim 4, the second cylinder is formed with the third cylinder portion on the movable side member, and pressurizes the workpiece placed on the processing placement portion of the fixed side member. By having the 2nd operation member provided with the part, it becomes possible to carry out processing of a work object more accurately.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a longitudinal sectional view showing a retracted state of a movable side member in the cylinder processing apparatus of the present invention, FIG. 2 is a longitudinal sectional view showing an advanced state of the movable side member in the cylinder processing apparatus, and FIG. It is a cross-sectional view in the AA line.

  As shown in FIG.1 and FIG.2, the cylinder processing apparatus 1 of this invention is the fixed side member 10, the movable side member 20 arrange | positioned facing the said fixed side member 10, the said fixed side member 10, and a movable side member. It has the connection member 30 which connects 20, and the operation member 40 which processes with respect to a to-be-processed object, It is characterized by the above-mentioned.

  As shown in the drawing, the fixed side member 10 is fixed to the machine base 12, and includes a processing placement portion 11, a mold portion 13, and a fourth cylinder portion 70. The processing placement portion 11 is for placing the workpiece M, and is provided on the upper surface side of the mold portion 13 integrated with the fixed side member 10. The fourth cylinder portion 70 is provided with a fourth front outlet 71 and a fourth rear outlet 72 for the working fluid, and a workpiece support for supporting the workpiece M from the lower surface side. The said process control member 75 provided with the part 76 and comprised as the 4th piston part 77 is inserted. In this embodiment, since the mold part 13 is integrated with the stationary member 10, the configuration of the apparatus is simplified and the installation space can be reduced.

  The movable member 20 includes a first cylinder portion 21 having a first front outlet 22 and a first rear outlet 23 for working fluid, a second front outlet 26 for working fluid, and the A second cylinder portion 25 having a second rear outlet 27 connected to the first rear outlet 23; a third front outlet 52 and a third rear outlet 53 for working fluid; A third cylinder portion 50 is formed. As will be described later, the first cylinder portion 21 includes the first piston portion 32 of the connecting member 30, and the second cylinder portion 25 includes the second piston portion 41 of the operating member 40 and the third cylinder portion 50. The third piston part 51 of the second actuating member 60 is fitted in each.

  As can be understood from the cross-sectional view shown in FIG. 3, in the movable side member 20, the second cylinder portion 25 is formed in a ring shape on the outer periphery of the third cylinder portion 50 formed in a ring shape. The first cylinder portion 21 is also formed in a ring shape on the outer periphery of the second cylinder portion 25.

  The connecting member 30 is made of a rod-like material, and one side is configured as a fixed portion 31 fixed to the fixed side member 10, and the other side is inserted into the first cylinder portion 21 of the movable side member 20. The first piston portion 32 is configured. Further, since the connecting member 30 is configured as a first piston portion 32 fitted into the first cylinder portion 21 formed on the other side in a ring shape, as shown in FIG. A plurality of (four in the embodiment) are arranged. Further, in this embodiment, the connecting member 30 connects the fixed side member 10 and the movable side member 20 and supports the movable side member 20, and thus has been conventionally required for press working. In this case, a frame corresponding to the applied pressure is not necessary, and the configuration of the apparatus is simplified and the installation space can be reduced.

  The actuating member 40 is connected to the second piston portion 41 fitted into the second cylinder portion 25 of the movable side member 20 and the workpiece M placed on the processing placement portion 11 of the fixed side member 10. And an operation pressurizing unit 45 for pressurizing. The operating pressure part 45 is provided on the lower surface side of the flat plate member 43 integrally formed with the second piston part 41 via the second rod part 42, and is interlocked with the operation of the second piston part 41. It is configured to move forward or backward. As can be understood from the illustration in FIG. 3, the actuating member 40 has a plurality of second rod portions 42 in a circular shape on the second piston portion 41, as with the connecting member 30 (Example). 4) are arranged. In addition, since a plurality of the second rod portions are arranged, stable pressurization can be performed on the workpiece M.

  The second actuating member 60 includes a third piston portion 51 that is inserted into the third cylinder portion 50 of the movable side member 20 and a workpiece M that is placed on the processing placement portion 11 of the fixed side member 10. The second pressurizing unit 55 that pressurizes and holds the second pressurizing unit 55 is provided. The second pressurizing part 55 is integrally formed with the third piston part 51 via a third rod part 54. The second pressurizing part 55 is formed with an opening 55a, which is a through hole, in the substantially central part so that the operating pressurizing part 45 of the actuating member 40 can pass through the opening 55a. ing. As shown in FIG. 3, the third rod portion 54 of the operating member 60 has a plurality of circular shapes (four in the embodiment) in the third piston portion 51, similarly to the connecting member 30 and the working fluid 1. Book). In addition, since a plurality of the third rod portions 54 are arranged, the workpiece M can be held more stably.

  Next, operation | movement of the cylinder processing apparatus 1 of this invention is demonstrated using FIG.1 and FIG.2. A cylinder machining apparatus 1 shown in FIG. 1 represents a retracted state of the movable member 20 that is a state before the workpiece M is machined. In the retracted state of the movable side member 20, the first piston portion 32 of the connecting member 30 fitted into the first cylinder portion 21 of the movable side member 20 flows into the rear portion of the first cylinder portion 21. It is located in the front portion of the first cylinder portion 21 by the working fluid. In addition, the second piston part 41 of the operating member 40 and the third piston part 51 of the second operating member 60 that are fitted into the second cylinder part 25 and the third cylinder part 50 are connected to the second cylinder part 25 and the third cylinder part 25, respectively. Each is located in the rear part by the working fluid which flowed in from the front part of the cylinder part.

  On the other hand, in the fixed side member 10, the fourth piston portion 77 of the machining control member 75 fitted and inserted into the fourth cylinder portion 70 by the working fluid flowing into the front side portion of the fourth cylinder portion 70 causes the fourth cylinder. It is located in the rear part of the part 70. In addition, the workpiece support portion 76 of the machining control member 75 is stopped at the same position as the workpiece placement portion 11, and the workpiece M can be placed on the workpiece placement portion 11 and the workpiece support portion 76. It has become.

  The moving state of the movable member 20 shown in FIG. 2 will be described. First, the working fluid flows into the third cylinder part 50 from the third rear outlet 53 and the rear part of the third cylinder 50 is driven by the working fluid. The third piston part 51 of the second actuating member 60 located at the side part is moved to the front part of the third cylinder part 50 (not shown). At that time, the second pressurizing portion 55 of the second operating member 60 advances toward the fixed side member 10 (the processing mounting portion 11) as the third piston portion 51 advances, and the processing mounting is performed. The workpiece M placed on the part 11 is pressed and held. When the third piston portion 51 moves forward, the working fluid in the front portion of the third cylinder portion 50 is discharged from the third front outlet / outlet 52 and returned to the pump.

  Subsequently, the working fluid flows into the first cylinder portion 21 from the first front-side outlet 22. In this case, since the connecting member 30 in which the first piston portion 32 is fitted and inserted into the first cylinder portion 21 is fixed to the fixed-side member 10 as one fixed portion 31, the first piston portion 32. The movable member 20 moves forward without moving. That is, the working fluid flows into the front portion of the first cylinder portion 21 from the first front-side inlet / outlet 22 and the movable member 20 starts to move forward, and the working fluid in the rear portion of the movable member 20 flows. The gas is discharged from the first rear outlet 23. Further, since the first rear outlet 23 and the second rear outlet 27 are connected, the working fluid of the first cylinder portion 21 is discharged from the first rear outlet 23 at the same time. The working fluid flows into the second cylinder part 25 from the second rear side outlet 27. Then, due to the working fluid flowing into the second cylinder part 25, the second piston part 41 of the working member 40 located at the rear part of the second cylinder part 25 moves to the front part of the second cylinder part 25. . Therefore, the operating member 40 (second piston portion 41) is a working fluid that operates one piston (first piston portion 32 in the embodiment), and the distance traveled by the movable member 20 and the second cylinder portion. The total distance of the distance moved from the rear part to the front part of the 25 can be moved. Then, when the operation member 40 (second piston portion 41) moves forward, the work pressurizing unit 45 pressurizes the workpiece M. When the second piston part 41 moves to the front part of the second cylinder part 25, the working fluid is discharged from the second front outlet 26.

  Further, in conjunction with the advancement of the movable side member 20, in the third cylinder portion 50, inflow and discharge of the working fluid are performed at the third front outlet 53 and the third rear outlet 53, The pressure applied when the workpiece M is pressurized and held by the second pressure member 55 of the second operating member 60 is adjusted.

  Further, when the workpiece M is pressurized by the actuation pressure unit 45, the working fluid flows into the fourth cylinder unit 70 from the fourth rear outlet / inlet 72 in conjunction with the pressurization. The fourth piston portion 77 of the machining control member 75 located at the rear portion of the cylinder portion 70 moves toward the front portion of the fourth cylinder portion 70. At this time, the workpiece support portion 76 of the machining control member 75 supports the workpiece M from the lower surface side of the workpiece M pressed by the actuation pressure unit 45, so that the workpiece M is subjected to the operation addition. It acts so as not to be damaged by receiving a sudden pressurization from the pressure part 45. When the fourth piston part 77 moves to the front part of the fourth cylinder part 70, the working fluid is discharged from the fourth front outlet / inlet 71.

  Further, when the movable side member 20 is operated from the forward movement state to the backward movement state, it is performed by operating the aforementioned steps in reverse. That is, by causing the working fluid to flow into the second cylinder part 25 from the second front side outlet 26, the second piston part 41 of the working member 40 moves to the rear side part of the second cylinder part 25, and at the same time, The working fluid in the rear portion of the second cylinder portion 25 is discharged from the second rear outlet port 27 and the working fluid flows into the first cylinder portion 21 from the first rear outlet port 23 to move the movable member. 20 starts retreating. Also in this case, similarly to the above-described forward operation, the operating member 40 (second piston portion 41) is a working fluid that operates one piston (first piston portion 32 in the embodiment), and the movable side member. It is possible to move a distance obtained by adding the 20 backward distances and the distance moved from the front part to the rear part of the second cylinder part 25. When the second piston part 41 moves to the rear part of the second cylinder part 25, the working fluid is discharged from the first front outlet / inlet 22.

  When the movable side member 20 moves backward, the working fluid flows into the third cylinder part 50 from the third front side outflow / inlet 52, and the third piston part 51 of the second working member 60 is moved from the front side part of the third cylinder part 50. By moving to the rear portion, the pressure applied to the workpiece M is released. Then, the processed workpiece M is removed from the mold part 13 of the fixed side member 10, and the working fluid is caused to flow from the fourth front side inlet / outlet 71 into the fourth cylinder part 70, so that the fourth of the processing control member 75. The piston part 77 is moved to the rear part of the fourth cylinder part 70, and the movable side member 20 shown in FIG. 1 is returned to the retracted state.

  Note that the cylinder machining apparatus of the present invention is not limited to the above-described embodiments, and can be implemented by appropriately changing a part of the configuration without departing from the spirit of the invention.

FIG. 1 is a longitudinal sectional view showing a retracted state of a movable side member in a cylinder machining apparatus of the present invention. It is a longitudinal cross-sectional view which shows the advance state of the movable side member in the cylinder processing apparatus. It is a cross-sectional view in the AA line in the cylinder processing apparatus. It is a longitudinal cross-sectional view of the conventional cylinder apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cylinder processing apparatus 10 Fixed side member 11 Processing mounting part 20 Movable side member 21 1st cylinder part 22 1st front side outflow port 23 1st back side outflow port 25 2nd cylinder part 26 2nd front side outflow port 27 2nd back Side outlet 30 Connecting member 31 Fixed part 32 First piston part 40 Actuating member 41 Second piston part 45 Actuating pressure part 50 Third cylinder part 51 Third piston part 52 Third front outlet 53 53 Third rear outlet 55 2nd pressurizing part 60 2nd action | operation member M Workpiece

Claims (5)

A fixed-side member (10) provided with a processing placement portion (11) for a workpiece;
A first cylinder part (21) disposed opposite to the stationary member and having a first front outlet (22) and a first rear outlet (23) for the working fluid, and a first cylinder for the working fluid 2 a movable side member (20) formed with a front cylinder (26) and a second cylinder part (25) having a second rear outlet (27) connected to the first rear outlet; ,
A connecting member (30) configured as a first piston part (32) having one side fixed to the fixed side member as a fixed part (31) and the other side fitted into the first cylinder part of the movable side member;
An actuating pressurizing unit that includes a second piston portion (41) that is fitted into the second cylinder portion of the movable side member and pressurizes the workpiece placed on the processing placement portion of the fixed side member. Actuating member (40) with (45)
A cylinder processing apparatus comprising:   The cylinder processing apparatus according to claim 1, wherein the first cylinder part is formed in a ring shape on an outer periphery of the second cylinder part.   The cylinder processing apparatus according to claim 1, wherein the connecting member is made of a plurality of rod-shaped objects.   A third cylinder part (50) is formed on the movable side member, and a second pressurizing part (55) for pressurizing the workpiece placed on the work placing part of the fixed side member is provided. The cylinder processing device according to any one of claims 1 to 3, further comprising a second operating member (60).   The cylinder processing apparatus according to claim 4, wherein the second cylinder part is formed in a ring shape on an outer periphery of the third cylinder part.

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