JPS6018289Y2 - Mounting jig for square piece - Google Patents

Description

[Detailed description of the invention] The present invention relates to a square piece mounting jig for positioning and fixing a square piece on a flat plate, and is particularly useful for attaching the core of a VTR magnetic head, winding wires to the core, etc. , relates to a mounting jig for positioning and mounting a magnetic head on a flat plate.

FIG. 1 shows a magnetic head which is an example of a rectangular piece handled by the mounting jig of the present invention.

In this magnetic head 1, a core 3 is attached to a core base 2, a square core hole 4 is formed in the center of the core 3, a wire 5 is passed through the core hole 4, and a wire rod 5 is passed through the core hole 4 on both sides. It is wound.

2 and 3 show a conventional mounting jig for positioning and fixing the magnetic head 1 etc. on a flat plate as described above, and in these figures, the rectangular piece of the magnetic head etc. is denoted by 1.
It is indicated by 0.

The conventional mounting jig has a flat plate 11. upward pressing means 14;
It includes a rear pressing means 20 and a side pressing means 25.

A reference surface 12 for positioning the rectangular piece 10 in the length direction and a reference surface 13 for positioning in the width direction are formed on one corner of the upper surface of the flat plate 11.

The upper pressing means 14 is formed in a key shape and is attached to the flat plate 1.
It has an arm 15 connected to the arm 1 by a pin 16, a shoe 17 attached to the tip of the arm 15, a lever 18, and a tension spring 19. Push the top surface 7, hold the square piece 10 between the top surface of the flat plate 11 and the shoe 17, and also grasp the lever 18 and swing the arm 15 upwards using the bottle 16 as a fulcrum to move the top of the square piece 10. It is designed to be able to release the pressing force.

The rear pressing means 20 includes an arm 21 slidably provided on the upper surface of the flat plate 11, a compression spring 22 that biases the arm 21 in the advancing direction, an eccentric cam 23, and a lever 24 thereof. Press the rear end surface of the square piece 10 by the action of the arm 21 and the compression spring 22]7, press the square piece 10 between the arm 21 and the positioning reference surface 12 formed on the flat plate 11, and The arm 21 is retracted by rotating the eccentric force l, 23 through the bar 24.

The pressing force in the length direction of the square piece 10 can be released.

The lateral pressing means 25 includes an arm 26 slidably installed on the upper surface of the flat plate 11, a compression spring (not shown) that biases the arm in the advancing direction, an eccentric cam (not shown), and a lever for the eccentric cam. 27, the arm 26 is pressed against the other side of the square piece 10 by the action of a compression spring, the square piece 10 is pressed between the reference surface 13 formed on the flat plate 11 and the arm 26, and the lever 27 is operated. However, by rotating the eccentric cam, the arm 26 is pushed in the backward direction, and the pressing force in the width direction of the square piece 10 can be released.

However, in the prior art, each of the three levers 18, 24, and 27 must be operated separately when fixing and releasing the rectangular piece 10, which has the disadvantage of poor workability.

An object of the present invention is to eliminate the drawbacks of the prior art described above and provide a mounting jig for square pieces with excellent workability.

The features of the present invention include a flat plate having a reference surface for positioning the length direction and width direction of the square piece to be attached, and a lower end of the rear end formed in a key shape and connected to the flat plate with a bottle as a fulcrum. an upper pressing means having a first arm that swings in the vertical direction; a shoe that is attached to the tip of the first arm and presses the square piece from the upper surface thereof; and a rear end surface of the square piece at the tip. the first arm of the upward pressing means;
When the arm of the second arm is moved upward, the second arm slides in a direction retreating from the square piece, and when the first arm is moved downward, the second arm approaches the square piece. The rear pressing means slides in the direction of the rectangular piece, and the rear end, which has a claw in contact with the side surface of the square piece at the tip and is coupled to the flat plate with a bottle, is rotated on the flat plate about 1 to 1 as a fulcrum. 3, and when the second arm of the rear pressing means is slid in the direction of retreating from the square piece, the third arm is rotated to the return side where the claw leaves the square piece, and lateral pressing means configured such that when the second arm is slid in a direction approaching the square piece, the third arm is rotated to the forward side where the claw contacts the square piece. With this configuration, by operating the first arm of the upward pressing means, the rear pressing means and the side pressing means are interlocked. A square piece mounting jig with excellent workability was obtained.

Hereinafter, the present invention will be explained based on the drawings.

4 to 7 show an embodiment of the present invention, which includes a flat plate 31, -L direction pressing means 34, rear pressing means 42 and side pressing means 50.

The flat plate 31 has a reference surface 32 on its upper surface that positions the square piece 10 in the length direction and a reference surface 3 that positions the square piece 10 in the width direction.
3 and [7].

The upper pressing means 34 includes a first arm 35 , a shoe 37 attached to the distal end of the first arm 35 , a lever 38 provided near the distal end of the first arm 35 , and a first tension spring 3 .
9.

The first arm 35 is formed into a hook shape having a horizontal portion and a vertical portion extending downward at the rear end thereof, and the lower end of the vertical portion is connected to the flat plate 31 with a pin 36. It is provided so as to be able to swing in the vertical direction using the bin 36 as a fulcrum.

The first arm 35 of the upper pressing means 34 is pulled downward by the action of the first tension spring 39, so that the square piece 10 can be pressed between the upper surface of the flat plate 31 and the shoe 37.

Note that a receiving groove 40 for an operation plate 45 of the rear pressing means 42 and a pushing pin 41 are provided at the rear end of the first arm 35 .

On the other hand, the rear pressing means 42 includes a second arm 43, an operation plate 45,
A second tension spring 48 is provided.

The second arm 43 is formed into a hook shape having a horizontal portion and a vertical portion extending upward at the rear end thereof, and the horizontal portion is connected to a guide groove 44 formed on the upper surface of the flat plate 31.
It is fitted and slidably arranged.

The operation plate 45 has a notch 46 at the tip of the waisted second arm 4.
3 through a pin 47, and the notch 46 is engaged with a pushing pin 41 provided at the rear end of the first arm 35, so that the first arm 35 is suspended horizontally.

This rear pressing means 42 is operated so that the second arm 43 is slid in the advancing direction by the action of the second tension spring 48, and the flat plate 31
When the square piece 10 is held down between the reference surface 32 formed in the center and the tip 43 of the second arm 43, and the first arm 35 of the upper pressing means 34 is swung upward, the pushing pin 41 is configured such that an operation plate 45 is pushed and the second arm 43 is slid in the backward direction.

A plate cam 49 for pushing the protrusion of the side pressing means 50 is provided on one end surface of the intermediate portion of the second arm 43 in the front-rear direction.

On the other hand, the lateral pressing means 50 includes a claw 52 provided at the tip of the third arm 5L, a protrusion 53 protruding toward the plate cam 49 at an intermediate portion of the third arm 51 in the front-rear direction, and a third arm 5L. 3 tension springs 55.

The third arm 51 has a rear end attached to a bin 54 on the upper surface of the flat plate 31.
, and the flat plate 31 is provided so as to be able to rotate using the bin 54 as a fulcrum.

The protrusion 53 contacts a plate cam 49 provided on the second arm 43 of the rear pressing means 42.

Therefore, the third arm 51 of this lateral pressing means 50 is pulled toward the forward side by the action of the third tension spring 55.
The square piece 10 is pressed between the reference surface 33 formed on the flat plate 31 and the claw 52, and the second arm 4 of the rear pressing means 42
When the third arm 5 is operated backward, the third arm 5 is moved by the plate cam 49.
The configuration is such that when the first protrusion 53 is pushed, the third arm 51 is rotated toward the return side.

The mounting jig configured as described above operates as follows.

That is, hold the lever 38 of the upward pressing means 34, move the first arm 35 upward, and place the square piece 10 in alignment with the reference plane 32, 33 provided on the flat plate 31. ,
When the 17 bar 38 of the upper pressing means 34 is lifted and the U inner part is loosened, the first arm 35 is pulled downward by the action of the first tension spring 39, and a square shape is formed between the -E surface of the flat plate 31 and the shoe 37. Piece 10 is pressed down.

When the first arm 35 of the upper pressing means 34 moves downward, a pushing pin 41 provided on the rear end side of the first arm 35
moves in the direction away from the tip of the operation plate 45 of the second arm 43 of the rear pressing means 42, and the second arm 43 is automatically slid in the advancing direction by the action of the second tension spring 48. The rectangular piece 10 is held down in the length direction between the reference surface 31 formed on the flat plate 31 and the tip 43' of the second arm 43.

When the second arm 43 slides in the advancing direction, the second arm 4
The plate cam 49 provided at 3 moves, and the lateral pressing means 50
The third arm 51 is able to move forward, and the third arm 51 is automatically rotated to the forward side by the action of the third tension spring 55, and the reference plane 33 formed on the flat plate 31 is rotated automatically. The square piece 10 is held down in the width direction between the claw 52 and the claw 52 provided at the tip of the third arm 51.

Therefore, the first . By simply operating the lever 38 provided on the arm 35 and pulling down the first arm 35, the square piece 10 can be pressed in the vertical direction, length direction, and width direction at the same time.

After the square piece 10 is subjected to a predetermined process, the upper pressing means 3
When the lever 38 of No. 4 is held and the first arm 35 is moved upward, the shoe 37 is separated from the upper surface of the medium mold piece 10, and the pressing force on the square mold piece 10 in the vertical direction is released.

When the first arm 35 is moved upward/\, the operating plate of the second arm 43 of the rearward pressing means 42 is moved by the pushing bottle 41 provided at the rear end of the first arm 35. 45, the second arm 43 is moved in the backward direction, its tip 43' separates from the rear end surface of the square piece 10, and the pressing force in the length direction of the square piece 10 is released.

Furthermore, when the second arm 43 moves in the backward direction, the second
The side force pressing means 5 is activated by the plate cam 49 provided on the arm 43 of
The protrusion 53 provided on the third arm 51 of 0 is pushed, and the third
As a result of the third arm 51 being automatically rotated to the return side, the claw 52 provided at the tip of the third arm 51 is moved away from the side surface of the square piece 10, and the third arm 51 is moved away from the side surface of the square piece 10 in the width direction. The pressing force is released.

Therefore, by simply operating the lever 38 of the upper pressing means 34 and lifting the first arm 35, the pressing force in the vertical direction, length direction and width direction of the square piece 10 is released simultaneously, and the The mold piece 10 can be released and removed.

In addition, in the present invention, the upper pressing means 34 and the rear pressing means 42 are
The specific structure of the lateral pressing means 50 is not limited to the illustrated embodiment, and may be any structure as long as it can perform the intended operation.

The present invention has the structure and operation described above, and according to the present invention, by simply moving the first arm of the upper pressing means downward or upward, the second arm of the rear pressing means is automatically moved. It can be slid forward or backward, and the third arm of the side pressing means can be automatically rotated to the forward or return side, significantly improving the workability of positioning, fixing, and releasing the square piece. It has a certain effect.

[Brief explanation of the drawing]

Figure 1 is a perspective view of a VTR magnetic head, which is an example of a square piece used in this invention, Figure 2 is a plan view of a conventional square piece mounting jig, and Figure 3 is a partially cutaway front view of the same piece. be. Figures 4 to 7 show an embodiment of the present invention.
4 is a plan view, FIG. 5 is a partially cutaway front view, FIG. 6 is a right side view, and FIG. 7 is a left side view. 10... Square piece, 31... Flat plate, 32
．． 33... Reference surface for positioning the square piece, 34
...Upper pressing means, 35...First arm, 36...Bin serving as a swinging fulcrum of the first arm, 3
7...Shoe 38...Lever, 39
. . . First tension spring, 41 . . . Bottle for pushing the operating plate of the rear pressing means, 42 . . . Back pressing means, 43 . . . Arm 2, 43'...
...Second tip, 45...Operation plate, 48.
...Second tension spring, 49...Plate cam for pushing the protrusion of the lateral pressing means, 50...Side pressing means, 51... Third arm, 52...
・Claw at the tip of the third arm, 53... Protrusion in contact with the plate cam, 54... Bin that is the rotational fulcrum of the third arm, 55... Third tension spring.

Claims (1)

[Scope of utility model registration request] A flat plate having a reference surface for positioning the lengthwise and widthwise directions of the square piece to be attached, and a lower end of the rear end formed in a key shape and pin-coupled to the flat plate, which swings in the vertical direction using the lower end as a fulcrum. an upper pressing means having a first arm and a shoe attached to the tip of the first arm and pressing the square piece from the upper surface; When the first arm of the upward pressing means is moved upward, the second arm slides in the direction of retreating from the square piece, and the first arm is moved downward. The second arm has a rear pressing means that slides in a direction approaching the square piece, and has a claw at the tip that contacts the side surface of the square piece, and is attached to the flat plate with the rear end pin-coupled to the flat plate as a fulcrum. The third arm is provided with a third arm that can be rotated in a direction in which the claw moves away from the square piece when the second arm of the rearward pressing means is slid in the direction of retreating from the square piece. is rotated and the second arm is slid in a direction approaching the square piece, the third arm is configured to be rotated to the forward side where the claw comes into contact with the square piece. A mounting jig for a square piece, characterized in that it is equipped with a directional pressing means.