JP2006320934A - Pressing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pressing device capable of easily conducting pressing in both upward and downward directions by one actuator when conducting the vertical pressing while fixing a work by horizontally pressing the work. <P>SOLUTION: A pressing device subjects a work 1 to pressing by lowering a punch 2 provided above the work 1 and by vertically pressing the work 1 while fixing the work 1 by horizontally pressing it. The pressing device is provided with: a cylinder device 24, which moves the punch 2 up and down; a movable jig 7, which is composed so as to be horizontally movable between a fixed and non-fixed positions; a spring, which energizes the movable jig 7 toward the non-fixed position side; and a horizontal movement means 5, in which, when the punch 2 is lowered, a first member 3, which vertically moves with the punch 2, makes a second member 4, which horizontally moves with the movable jig 7, move horizontally, so that the punch 2 is arranged to the fixed position before pressing. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a press working apparatus that presses and fixes a work in a horizontal direction while lowering a press working portion provided above the work and pressing the work in a vertical direction.

  FIG. 6 is a perspective view showing an example of the configuration of the press working apparatus. This apparatus includes a lower surface plate 51 on which the workpiece 50 is placed, an upper surface plate 52 that is moved up and down by an actuator 53 above the workpiece 50 to function as a press working unit, and a fixing jig 54 fixed to the lower surface plate 51. The movable jig 55 is provided so as to be horizontally movable by the actuator 56. Each of the fixed jig 54 and the movable jig 55 is provided with a V-groove. By moving the movable jig 55 close to the fixed jig 54, the workpiece 50 is pressed in the horizontal direction and positioned at a predetermined position. It is fixed in the state. In addition, the fixed work 50 can be pressed by lowering the upper surface board 52.

  However, in such a configuration, two actuators, that is, an actuator 56 that moves the movable jig 55 to press the workpiece 50 in the horizontal direction and an actuator 53 that lowers the upper surface board 52 and presses the workpiece 50 in the vertical direction are provided. This is not only disadvantageous in terms of cost but also complicates control and operation.

Here, the following Patent Document 1 discloses a press working apparatus including a mechanism that converts linear motion into linear motion in another direction. However, this press working apparatus moves the select bar horizontally by an actuator, thereby lowering the punch to perform punching, and the action on the work is only the vertical pressing by the punch. That is, in order to solve the above-described problem, it is necessary to devise both-direction pressing acting on the workpiece when pressing the workpiece in the vertical direction while pressing the workpiece in the horizontal direction and fixing it. Although necessary, the device according to Patent Document 1 below does not disclose them.
JP 2004-330217 A

  The present invention has been made in view of the above circumstances, and its purpose is to press in both directions by a single actuator when pressing the workpiece in the vertical direction while pressing and fixing the workpiece in the horizontal direction. An object of the present invention is to provide a press working apparatus that can easily perform the above.

  The above object can be achieved by the present invention having the following configuration. That is, the press working apparatus according to the present invention lowers the press working portion provided above the work while pressing and fixing the work in the horizontal direction, and presses the work in the vertical direction to perform the press work. The press working apparatus is configured to be movable horizontally between an actuator for moving the press working part up and down, a fixed position for pressing and fixing the work in a horizontal direction, and a non-fixed position away from the work. A workpiece fixing portion, a biasing means for biasing the workpiece fixing portion toward the non-fixing position, a first member that moves up and down together with the press working portion, and a second member that moves horizontally along with the workpiece fixing portion. When the press working part is lowered, the first member acts to move the second member horizontally, and the work fixing part is moved before the press work is performed. Horizontal moving means for positioning the fixed position against the urging of the energization means are those comprising a.

  According to the above configuration, when the press working part is lowered by the actuator, the first member that moves downward moves the second member horizontally, the work fixing part is disposed at the fixing position, and the press The workpiece before being processed is pressed and fixed in the horizontal direction. Therefore, when pressing the workpiece by pressing the workpiece in the vertical direction while pressing the workpiece in the horizontal direction, pressing in both directions can be easily performed by a single actuator. Further, after the press working, when the press working portion is raised by the actuator, the first member rises accordingly, the action on the second member is released, and the second member is urged by the urging means. Therefore, the workpiece subjected to the press working is taken out.

  In the above, the first member has a first inclined surface that is inclined downward toward the urging direction of the urging means, and the second member is the same as the first inclined surface. A second inclined surface that is inclined in a direction and faces the first inclined surface in a state in which the workpiece fixing portion is disposed at the non-fixed position, and when the pressing portion is lowered, press working is performed. It is preferable that the first inclined surface abuts on the second inclined surface before being applied, and the second member moves horizontally while sliding on the second inclined surface.

  According to such a configuration, the horizontal moving means can be easily configured. That is, each of the first member and the second member has inclined surfaces that are inclined downward toward the urging direction of the urging means, and these inclined surfaces are such that the workpiece fixing portion is at the non-fixed position. When the first member is lowered together with the press working portion due to the positional relationship facing each other in the disposed state, the first inclined surface comes into contact with the second inclined surface, and the first member is further lowered. The second member is slid on the second inclined surface so as to move horizontally in the direction opposite to the urging direction (fixed position side).

  In the above, the first member has a first sliding surface that intersects the first inclined surface and is parallel to the vertical direction, and the second member intersects the second inclined surface. And having a second sliding surface disposed on the same plane as the first sliding surface in a state where the workpiece fixing portion is disposed at the fixed position, and the press working portion is lowered to When the workpiece fixing portion is disposed at the fixing position, the first member descends while sliding on the first sliding surface while the workpiece fixing portion stops horizontal movement, and the press Those subjected to press working by the working part are preferred.

  According to such a configuration, when the above horizontal moving means is simply configured and the workpiece is pressed and fixed in the horizontal direction and pressed in the up and down direction and pressed, the actuator in both directions is pressed by one actuator. Can be done appropriately. That is, the first member and the second member each have a sliding surface that intersects the inclined surface and is parallel to the vertical direction, and the workpiece fixing portion is disposed at a fixed position on the sliding surface. When the second member slides on the second inclined surface and the workpiece fixing portion is arranged at the fixing position by the positional relationship of being arranged on the same plane in the state, that is, the workpiece is horizontally oriented When pressed and fixed, the first sliding surface and the second sliding surface are arranged on the same surface, and the first member further descends while sliding on the first sliding surface. . As a result, the press working part is lowered and the work is pressed without horizontally moving the work fixing part arranged at the fixing position, that is, with the work properly fixed.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the present embodiment, an example will be described in which the machine part 1 shown in FIG. 1 (hereinafter, referred to as a work 1) is pressed to caulk the tip 11 of the fixture 10 and the bead 15 is fixed. The workpiece 1 has a substantially Y-shaped cross section in the state shown in FIG. 1A, and is formed of a rubber elastic body in which a cylindrical metal fitting 14 is embedded in the upper outer periphery of a constricted central portion 12 of the fixing metal fitting 10. A vibration base 13 is formed. As shown in FIG. 1 (b), the workpiece 1 is turned upside down with respect to FIG. 1 (a) and is combined with the body fitting 16, the diaphragm 17, and the like to constitute a liquid seal engine mount.

  FIG. 2 is a front view showing an example of the configuration of the press working apparatus according to the present invention. The workpiece 1 is mounted on a mounting table 9 on a table 8 and is disposed between a fixing jig 6 fixed to the table 8 and a movable jig 7 (corresponding to the workpiece fixing portion). ing. The fixed jig 6 and the movable jig 7 are each provided with support portions 26 and 27 protruding in the horizontal direction at the height of the central portion 12 of the workpiece 1. In the state shown in FIG. 2, the central portion 12 of the workpiece 1 is provided. Is supported by the support portion 26 of the fixing jig 6.

  The horizontal rod 20 passes through an L-shaped holding plate 21 fixed to the table 8, and the movable jig 7 is fixed to the end thereof. A spring 22 (corresponding to the biasing means) is inserted between the opposite end and the holding plate 21, and the horizontal rod 20 is biased in the biasing direction S. Yes. The movable jig 7 is configured to be horizontally movable along the axial direction of the horizontal rod 20, a fixing position (see FIGS. 4 and 5) for pressing and fixing the workpiece 1 in the horizontal direction, and the workpiece 1. It displaces in the non-fixed position (refer FIG. 2) away from. The movable jig 7 shown in FIG. 2 is arranged at the non-fixed position in a state of being urged in the urging direction S by the spring 22.

  Above the workpiece 1, a punch 2 (corresponding to the press working portion) for caulking the tip portion 11 of the fixture 10 with a strong pressure is disposed. The punch 2 is attached to the tip of a piston rod 25 of a cylinder device 24 (corresponding to the actuator) and is provided so as to be movable up and down. In addition, the actuator used by this invention is not specifically limited, For example, you may use a hydraulic motor etc. In this embodiment, a horizontal plate 28 is attached to the piston rod 25, and a vertical rod 29 that extends downward in parallel with the punch 2 is provided on the lower surface thereof.

  The horizontal moving means 5 includes a first member 3 and a second member 4 each having a substantially rectangular parallelepiped shape. FIG. 3 is a side view of the first member 3 and the second member 4 when viewed from the right side of FIG. The first member 3 is attached to the tip of the vertical rod 29, and is provided so as to be movable up and down by the cylinder device 24 together with the punch 2. The first member 3 includes an inclined surface 31 (corresponding to the first inclined surface) that is inclined downward toward the biasing direction S of the spring 22 and an up-down direction intersecting the inclined surface 31. And a parallel sliding surface 32 (corresponding to the first sliding surface). The first member 3 is formed with a housing long hole 33 extending upward from substantially the center of the inclined surface 31, and the width of the housing long hole 33 is set to a size capable of housing the horizontal rod 20. Has been.

  The second member 4 has an inclined surface 41 (corresponding to the second inclined surface) inclined at the same direction and angle as the inclined surface 31, and the movable jig 7 is disposed at the non-fixed position. The inclined surface 41 is provided in the vicinity of the center of the horizontal rod 20 so as to face the inclined surface 31 of the first member 3, and is configured to be horizontally movable together with the movable jig 7. In addition, the space | interval of the inclined surface 31 and the inclined surface 41 is set shorter than the space | interval of the punch 2 and the front-end | tip part 11 of the fixing bracket 10. FIG. The second member 4 has a sliding surface 42 (corresponding to the second sliding surface) that intersects the inclined surface 41 and is parallel to the vertical direction. The sliding surface 42 is described later. As described above, the movable jig 7 is disposed on the same plane as the sliding surface 32 in a state where the movable jig 7 is disposed at the fixed position.

  A method of pressing the workpiece 1 using the press processing apparatus described above will be described. First, as shown in FIG. 2, the workpiece 1 is placed on the mounting table 9, and one side surface of the workpiece 1 is supported by the fixing jig 6. In this state, the movable jig 7 is disposed at the non-fixed position by the urging force of the spring 22, and the workpiece 1 is not fixed. Further, the inclined surface 31 of the first member 3 and the inclined surface 41 of the second member 4 are in a positional relationship facing each other.

  Next, when the piston rod 25 advances downward by the cylinder device 24, the punch 2 starts to descend toward the tip end portion 11 of the fixture 10 of the workpiece 1, and the first member 3 begins to descend at the same time. The inclined surface 31 of the first member 3 abuts on the inclined surface 41 of the second member 4 before the punch 2 reaches the distal end portion 11 of the fixture 10. When the first member 3 is further lowered, the second member 4 moves to the opposite side of the urging direction S while sliding on the inclined surface 41. As a result, the movable jig 7 moves horizontally toward the fixed position against the bias of the spring 22.

  When the movable jig 7 is arranged at the fixed position as shown in FIG. 4, both sides of the central portion of the work 1 are supported by the fixed jig 6 and the support portions 26 and 27 of the movable jig 7. It is pressed and fixed in the horizontal direction. In this state, the punch 2 has not yet reached the distal end portion 11 of the fixture 10 of the workpiece 1 and is not pressed. The thicknesses of the first member 3 and the second member 4 are set in consideration of the stroke in which the movable jig 7 moves horizontally. With the movable jig 7 placed at a fixed position, The sliding surface 32 of the first member 3 and the sliding surface 42 of the second member 4 are arranged on the same plane.

  When the first member 3 is further lowered from the state shown in FIG. 4, the first member 3 slides on the sliding surface 32 as shown in FIG. 5, and the movable jig 7 stops the horizontal movement. In other words, with the workpiece 1 properly fixed, the punch 2 reaches the tip 11 of the fixture 10 of the workpiece 1 and is pressed with high pressure in the vertical direction. At this time, the horizontal rod 20 is accommodated in the accommodation slot 33 of the first member 3.

  When the workpiece 1 is pressed, the piston rod 25 is pulled upward by the cylinder device 24, the punch 2 starts to rise, and the first member 3 starts to rise at the same time. At that time, the first member 3 rises while sliding on the sliding surface 32, and transitions from the state shown in FIG. 5 to the state shown in FIG. And if the 1st member 3 raises further, the effect | action with respect to the 2nd member 4 will be cancelled | released, and the movable jig 7 will move horizontally to the non-fixed position side with the urging | biasing force of the spring 22. FIG. Thereby, as shown in FIG. 2, the workpiece 1 is released from the fixed state, and the workpiece 1 subjected to the press working is taken out.

[Another embodiment]
(1) As long as the present invention is to press and fix the work in the horizontal direction while lowering the press working part provided above the work and pressing the work in the up and down direction, There are no particular restrictions on the shape of the workpiece or the type of press working. For example, in the above-described embodiment, an example in which a part of the workpiece is caulked is shown, but bending or coining (processing for forming shallow irregularities on the surface or correcting the thickness) may be used. .

  (2) In the above-described embodiment, the example in which the workpiece is pressed while being fixed in the horizontal direction while pressing the workpiece is shown. The constituent material of the workpiece to be applied may be different.

  (3) In the above-described embodiment, the work is fixed by moving the movable jig horizontally while supporting one side of the work with the fixed jig. For example, the movable jig is provided on both sides of the work, The workpiece may be fixed by moving horizontally so as to approach each other by the mechanism as described above.

Sectional view showing an example of a workpiece The front view which shows an example of a structure of the press work apparatus which concerns on this invention Side view of first member and second member Diagram explaining press working on workpiece Diagram explaining press working on workpiece The perspective view which shows an example of a structure of the conventional press work apparatus

Explanation of symbols

1 Work 2 Punch (equivalent to press working part)
3 First member 4 Second member 5 Horizontal moving means 6 Fixing jig 7 Moving jig (corresponding to work fixing part)
10 Fixing bracket 11 Tip 20 Horizontal rod 22 Spring (corresponding to urging means)
24 Cylinder device (equivalent to an actuator)
25 piston rod 28 horizontal plate 29 vertical rod 31 inclined surface of the first member 3 (corresponding to the first inclined surface)
32 Sliding surface of the first member 3 (corresponding to the first sliding surface)
41 Inclined surface of second member 4 (corresponding to second inclined surface)
42 Sliding surface of the second member 4 (corresponding to the second sliding surface)
S Spring 22 biasing direction

Claims (3)

In the press working device that presses the work in the vertical direction by lowering the press working part provided above the work while pressing the work in the horizontal direction and fixing it,
An actuator for raising and lowering the press working part;
A workpiece fixing portion configured to be horizontally movable between a fixed position for pressing and fixing the workpiece in the horizontal direction and an unfixed position away from the workpiece;
Urging means for urging the workpiece fixing portion toward the non-fixed position;
A first member that moves up and down together with the press working portion; and a second member that moves horizontally together with the work fixing portion, and when the press working portion is lowered, the first member is the second member. Horizontal movement means that acts to move the member horizontally and that places the workpiece fixing portion at the fixed position against the urging force of the urging means before press working is performed. Press processing equipment. The first member has a first inclined surface that is inclined downward toward the urging direction of the urging means,
The second member is inclined in the same direction as the first inclined surface, and the second inclined surface facing the first inclined surface in a state where the work fixing portion is disposed at the non-fixed position. Have
When the press working portion is lowered, the first inclined surface comes into contact with the second inclined surface before the pressing is performed, and the second member slides on the second inclined surface. The press working apparatus according to claim 1, which moves horizontally while moving. The first member has a first sliding surface that intersects the first inclined surface and is parallel to the vertical direction;
The second sliding member disposed on the same plane as the first sliding surface in a state where the second member intersects the second inclined surface and the work fixing portion is disposed at the fixed position. Has a moving surface,
When the press working part is lowered and the work fixing part is arranged at the fixing position, the first member is moved by the first sliding surface while the work fixing part stops horizontal movement. The press working apparatus according to claim 2, wherein the press working device is lowered while sliding and subjected to press working by the press working part.

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