JP2513172Y2 - Jig device for work reversal - Google Patents

Description

[Detailed Description of the Invention] Industrial field of application The present invention relates to a jig device for reversing the posture of a work piece by 90 degrees and attaching and detaching the work. Specifically, a pair of fixings along a transfer line are mounted on a base. The jig main body is rotatably supported between the work guide position corresponding to the side work guide and the work open position rotated by 90 degrees from the work guide position, and a fixed guide is provided on the jig main body. A movable guide that can guide the support piece in cooperation with this fixed guide,
The present invention relates to a jig device which is pivotally pivotally attached to a closed position facing a fixed guide and an open position not facing the fixed guide to form a jig-side work guide.

2. Description of the Related Art Conventionally, in a jig device provided with a work guide as described above, an actuator for rotating the jig body, and separately, a movable guide of the jig side work guide is rocked. A drive source such as a hydraulic cylinder is required to operate the actuator, and the jig body is rotated from the work guide position to the work release position by reversing the work posture by 90 degrees and moved to the work release position. According to the detection signal, the drive source is activated to position the movable guide at the open position, the guide state of the workpiece by the jig side workpiece guide is released, and then the workpiece is attached to and detached from the jig.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In the conventional jig device described above, a drive source for opening and closing the movable guide is required in addition to the actuator for rotating the jig body, so that the entire jig device is complicated. However, there is a problem in that the size becomes larger, the cost becomes higher, and maintenance is required. In addition, since the movable guide is opened by the detection signal when the jig main body moves from the work guide position corresponding to the fixed work guide to the work open position rotated by 90 degrees, the work guide is opened immediately after the rotation of the jig main body. There is a problem that you can not remove the
There is a problem that the transfer efficiency of the transfer line is reduced. If it is attempted to open the movable guide during the rotation of the jig body in order to avoid this, there is a problem that an extra switch for that purpose is required and the cost becomes high. An object of the present invention is to solve such a problem.

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention provides a fixed base with a jig main body, a pair of jigs arranged along a transfer line, which guides a support piece projecting to both sides of a work. The jig body is rotatably supported between a work guide position corresponding to the fixed work guide and a work open position that is rotated 90 degrees around the rotation axis along the work transfer direction from the work guide position. Is provided with a pair of jig-side work guides capable of guiding the support pieces on both sides of the work in a direction along the transfer line. The jig-side work guides are fixed guides fixed to the jig body and fixed guides. And a movable guide pivotally mounted on the jig body so as to swing between a closed position that allows the support piece to be guided between the fixed guide and the fixed guide. Then When the ingredients body is in the work guide position corresponding to the fixed-side workpiece guide is continuous fixed-side work guide and the jig-side workpiece guide by positioning the movable guide in the closed position,
When the jig main body is located at the workpiece open position, a jig device for reversing the workpiece posture in the transfer line, in which the movable guide is located at the open position, is provided with a swing lever that swings integrally with each movable guide. With
An L-shaped crank is pivotally attached to the jig main body so as to be swingable in the same direction as the jig main body, and one end of the L-shaped crank is connected to both of the swing levers via connecting rods. The other end of the shaped crank is connected via a link to a position on the base that is eccentric from the rotation center of the jig body, and when the jig body is in the work guide position by rotating the jig body 90 degrees. The movable guide is located at the closed position, and the movable guide is located at the open position when the jig body is at the workpiece open position.

Action When the jig main body located at the work guide position is rotated to the work open position, the phosphorus is rotated about the connecting position to the base by the 90 ° rotation of this jig main body. Since it is eccentric with respect to the rotation center of the jig body, the L-shaped crank is swung, and the movable guide is swung to the open position not facing the fixed guide through the connecting rod and the swing lever. When the jig body is rotated from the work open position to the work guide position, this rotation causes the movable guide to be positioned at the closed position facing the fixed guide via the link, the L-shaped crank, the connecting rod, and the swing lever. , Continuous with the fixed side work guide.

Embodiment As shown in FIG. 2, the jig device 1 of this embodiment has a pair of upper and lower fixed-side work guides 5 that can guide a support piece 3 protruding on both sides of a work W having an outer shape along a transfer line. It is located at the end of. As shown in FIGS. 1 and 2, support plates 9 and 9 are provided on both sides of the base 7 of the jig device 1.
Are fixed to the support plates 9 and 9, and bearing bodies 10 and 10 incorporating bearings 16 and 16 are fixed to the support plates 9 and 9, respectively. The bearings 16 and 16 of the bearing bodies 10 and 10 have shaft portions 12a of shaft members 12 and 14 fixed to the side surfaces 4a and 4a of the jig body 4 by bolts 21 and 22,
14a are rotatably supported, respectively, so that the jig body 4 can be tilted with respect to the base 7 about an axis in a direction along the transfer line. In FIG. 2, a lid 11 is fixed to the bearing body 10 on the left side in FIG. 2, and one end of a cylinder 24 is fixed to a support plate 9 on the right side in FIG. 2 by a bolt 26 so as to cover the bearing body 10. A rotary actuator 30 is fixed to the other end of the cylindrical body 24. The rotary shaft 30a of the rotary actuator 30 is connected to the shaft portion 14a by a connecting member 31.
Are integrally connected with each other, whereby the jig body 4 is moved to the standing position (work guide position: a position corresponding to the fixed side work guide 5) shown in FIG. 1 by turning the rotary shaft 30a of the rotary actuator 30 by 90 degrees. , 90 ° between the horizontal position (work open position) shown in FIG. As shown in FIG. 1, the contact portion 32 is provided on the lower side of the jig body 4.
However, the contact members 33 are fixed to the rear surface side, and the contact portions 32 are attached to the base 7 at the standing position of the jig body 4.
34, and a contact member at the horizontal position of the jig body 4 shown in FIG.
The 33 are respectively brought into contact with the stoppers 35 attached to the back surface of the base 7 so that the positioning at each position is performed.
Support pieces 3 are respectively provided on the upper and lower parts of the jig body 4 in FIG.
The fixed guide 40 having a guide surface 40a for guiding one surface of the jig 3 and a guide surface 40b for guiding the end surface of the support piece 3 is a jig body 4
It is fixed by a bolt 42 so as to be parallel to the rotation axis of the. Further, a shaft 44 parallel to the fixed guide 40 is rotatably penetrated through the jig body 4 near the rear of the pair of fixed guides 40, and support arms are provided at both ends of the shafts 44, respectively.
46 and 47 are key-connected. A guide surface 48a for guiding the other surface of the support piece 3 is provided at the tips of the support arms 46, 47, and a movable guide 48 having the same length as the fixed guide 40 is fixed by a bolt 49. In this movable guide 48, support arms 46 and 47 are movable about a shaft 44 to a closed position shown in FIG. 1 and an open position shown in FIG. Jig side work guide 50 by the fixed guide 40 and movable guide 48
And the guide surfaces 40a and 40b of the fixed guide 40 and the guide surface 48a of the movable guide 48 form a guide groove for guiding the support piece 3. The jig side work guide 50 is positioned so as to be continuous with the fixed side work guide 5 at the work guide position shown in FIG. 1 as shown in FIG. A swing lever 54 is integrally provided at the other end of the one support arm 46, and one end of a turnbuckle 56 exemplified as a connecting rod is rotatably connected to the swing lever 54. The other end of each turnbuckle 56 is pivotally attached to the side surface 4a of the jig body 4 by a pivot 57 so as to be swingable in the same direction as the jig body 4 is rotated.
The crank 60 has a pin connection 61 at one end. One end of a long link 64 is pin-connected 65 to the other end of the L-shaped crank 60, and the other end of the link 64 is pin-connected 67 to the end face of the lid 11 at a position eccentric from the rotation center of the jig body 4. There is. Link
The connection position of 64 to the lid 11 is larger at the work guiding position of the jig body 4 than the work opening position, and the link 64 positions the movable guide 48 at the opening position.
At the work open position, the distance from the pivot 57 is smaller than that at the work guide position, and the link 64 is positioned so that the movable guide 48 is located at the open position.

A well-known clamp device 70 is provided on the jig main body 4. Next, the clamp device 70 will be described with reference to FIGS. As shown in FIG. 2, brackets 72 are respectively fixed to the upper, lower, left and right sides of the jig body 4, one end of a pair of links 74 is pin-connected to the front end thereof, and the other end of the pair of links 74 is a central portion of a clamper 76. Are pin-connected. Clamper 76
Itself swings to clamp the support piece 3 of the work W, and the movable guide 48 is provided with a notch 78 (FIG. 2) that allows the clamper 76 to swing. The rear ends of the upper and lower clampers 76 are connected to both ends of a horizontal rod 80 parallel to the rotation axis, and a clamp cylinder 82 is provided at the center of the rod 80.
Piston rod 82a is connected to clamp cylinder 82
The clamper 76 swings between the clamp position shown by the solid line and the unclamp position shown by the phantom line in FIG. Reference numeral 84 is a guide rod having one end fixed to the jig body 4, and guides the rod 80. Further, a positioning pin 90 for positioning the work W by inserting it into the positioning holes (not shown) provided in the pair of support pieces 3 of the work W is slidably provided in the jig body 4. At the rear end of 90, one end of a link 92 pivotally attached to a bracket 94 whose central portion is fixed to the jig body 4 is pin-connected, and the other end of the link 92 is respectively connected to a piston rod 96a of a positioning cylinder 96. The pins are linked, and the positioning pin 90 is projected and retracted by the operation of the positioning cylinder 96.

Next, the operation will be described. When the jig body 4 is at the work guide position shown in FIG. 1, the movable guide 48 is at the closed position facing the fixed guide 40, and the jig side work guide is provided.
Reference numeral 50 is continuous with the fixed-side work guide 5, and in this state, the work W is transferred by a predetermined amount in the transfer line direction A while the supporting piece 3 is guided by the fixed-side work guide 5 and continuously supported. The piece 3 is guided by the guide groove of the jig-side work guide 50 and is carried in to a predetermined position shown by an imaginary line in FIG. After the work W is loaded, the clamp cylinder 82 and the positioning cylinder 96 are actuated together so that the clamper 76 clamps and positions the respective support pieces 3, and then the work W is subjected to predetermined processing by a processing machine (not shown). It After the machining is completed, the rotation command of the rotary actuator 30, the unclamp command of the clamper 76, and the release command of the positioning pin 90 are simultaneously issued, and when the rotary shaft 30a of the rotary actuator 30 starts to rotate, the jig body 4 Begins to tilt. When the jig body 4 shown in FIG. 1 tilts from the work guide position (vertical position) toward the work open position (horizontal position) shown in FIG. 5, the connecting position of the link 64 toward the base 7 side is changed. Since the jig body 4 is eccentric downward from the center of rotation, the L-shaped crank 60 is rotated clockwise about the pivot 57 in FIG. 1 by the link 64, which pulls the turnbuckle 56. When the support arms 46 are rotated about the shaft 44 in directions away from each other, the support arms 47 key-connected to the shaft 44 are also rotated about the shaft 44 in directions away from each other, and the movable guide 48 moves. It is rotated from the closed position to the open position. When the jig body 4 is rotated to the workpiece open position where the contact member 33 contacts the stopper 35, the movable guide 48 is rotated to the open position shown in FIG. 5 and the side of the guide groove is opened. . Further, the clamper 76 is in the unclamped state, the positioning pin 90 is in the detached state, and the work W can be taken out upward and freely. As described above, the workpiece W is tilted by 90 degrees from the workpiece guide position of the jig body 4 to the workpiece open position, and the movable guide 48 is moved to the open position by the rotating movement of the jig body 4 to open the guide groove. Therefore, the work W can be taken out immediately after the completion of the tilting of the jig body 4, and the cycle time can be shortened.
The transfer line transfer efficiency can be improved. Since the jig-side work guide 50 is opened by a mechanical interlocking mechanism with the tilting of the jig body 4, the jig-side work guide 50 is released.
A separate drive source for opening and closing can be omitted and the jig device 1
It is possible to achieve simplification, space saving, and cost saving. After the workpiece W in the opened state is taken out from the jig device 1, the rotary reactor 30 operates again and the jig body 4 is swung from the workpiece open position to the workpiece guide position. As a result, the L-shaped crank 60 is rotated counterclockwise in FIG. 5, and when the contact portion 32 contacts the stopper portion 34 and is rotated to the work guide position, the movable guide 48 is again moved to the first position. It is rotated to the closed position in the figure and is continuous with the fixed-side work guide 5.

Effects of the Invention As described above, in the jig device of the present invention, in the jig device for reversing the work posture, the swing lever that swings integrally with each movable guide is provided, and the jig body is L-shaped. The crank is pivotally mounted so as to be swingable in the same direction as the jig main body, and one end of the L-shaped crank is connected to both swing levers via connecting rods, respectively, and the other end of the L-shaped crank is connected. , The base is connected via a link to a position eccentric from the rotation center of the jig body, and the movable body is set to the closed position when the jig body is in the work guide position by rotating the jig body 90 degrees. Since the movable guide is located in the open position when the jig main body is in the workpiece open position, the drive source for rotating the jig main body can also be used to open and close the jig side work guide. There is a dedicated drive source for opening and closing the jig side work guide like It becomes use, simplifying thereby the jig device,
Compactness and cost reduction can be achieved. Also, since the movable guide of the jig side work guide is located at the open position by rotating and positioning the jig body to the work open position, confirm that it is at the work open position and then open the movable guide later. Compared with the conventional method, the work can be immediately attached / detached at the work open position, and the work transfer efficiency in the transfer line can be improved.

[Brief description of drawings]

The drawings show an embodiment of the present invention, and FIG. 1 is a left side view showing a second embodiment.
Of FIG. 1, FIG. 2 is a front view, FIG. 3 is a view of the jig body taken along line III in FIG. 1, and FIG. 4 is a sectional view taken along line IV-IV of FIG.
FIG. 5 is a view showing the workpiece open position of the jig body. 1 ... Jig device, 3 ... Support piece, 4 ... Jig body, 5 ...
… Fixed side work guide, 7 …… Base, 40 …… Fixed guide, 48 …… Movable guide, 50 …… Jig side work guide, 54
...... Rotating lever, 56 ...... Turn buckle (connecting rod), 60 ...... L-shaped crank, 64 ...... link, W ...... work

Claims (1)

(57) [Scope of utility model registration request] 1. A work guide position corresponding to a pair of fixed-side work guides, each of which is provided with a jig main body on a fixed base along a transfer line and which guides support pieces protruding on both sides of the work, and a work guide. From the position to the work opening position, which is rotated 90 degrees about the rotation axis along the work transfer direction, and is pivotally supported between the work opening position and the jig main body in the direction along the transfer line with the support pieces on both sides of the work. Each jig side work guide is provided with a fixed guide fixed to the jig body,
A movable guide pivotally attached to the jig body so as to swing between a closed position facing the fixed guide and allowing the support piece to be guided between the fixed guide and an open position not facing the fixed guide. When the jig body is in the work guide position corresponding to the fixed work guide, the movable guide is placed in the closed position so that the fixed work guide and the jig work guide are connected to each other, and When there is a jig body, in the jig device for reversing the work posture in the transfer line where the movable guide is located at the open position, a swing lever that swings integrally with each movable guide is provided, and An L-shaped crank is pivotally attached to the main body so as to be swingable in the same direction as the jig main body, and one end of the L-shaped crank is connected to both of the swing levers via connecting rods. The other end of the link is connected via a link to a position on the base that is eccentric from the rotation center of the jig body, and it can be moved when the jig body is at the work guide position by rotating the jig body 90 degrees. A jig device for workpiece reversal, characterized in that the guide is located at the closed position, and the movable guide is located at the open position when the jig body is at the workpiece open position.