JPS6229147Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a press-fitting device for press-fitting a press-fitting member such as a curved nipple or pin into a product such as a tank or a pipe.

Conventional technology Some conventional press-fitting devices include a clamping device that independently clamps and releases the press-fitting member, and an operating body such as a hydraulic device that reciprocates the clamping device linearly relative to the product. Ta.

As a result, when press-fitting a press-fitting member into a product, first position the press-fitting member with respect to the product and clamp it with the clamping device, and then move the actuating body forward to press-fit it through the clamping device. The member is moved toward the product and fitted into a hole formed in the product, the clamping device is then operated to release the press-fitting member, and the actuator is then moved backward.

Problems to be solved by the invention The conventional method described above has the disadvantage that the clamping/releasing operation of the clamping member and the advancing/retracting operation of the actuating body must be performed separately, which makes the operation cumbersome and reduces mass productivity. Ta.

The object of the present invention is to obtain a novel press-fitting device that eliminates the above-mentioned drawbacks.

Means for Solving the Problems In order to achieve the above object, the present invention is constructed as follows.

That is, the base is provided with a slider that is slidable in forward and backward directions with respect to the product, a rocking body that swings like a balance is pivotally supported on this slider, and a slider that is on the forward moving side of the slider and the rocking body and facing the both. A clamping part is formed in the part to clamp the press-fitting member to be press-fitted into the product,
A pushing body is connected to the slider so as to be freely movable in the forward and backward direction by a predetermined amount with respect to the slider. By connecting an actuating body that reciprocates in forward and backward directions with respect to the product to the moving body, the rocking body is rotated in the clamping/anti-clipping direction at the initial stage of forward and backward movement of the working body. be.

Function Since the present invention has the above configuration, when the actuating body moves forward, the pushing body moves forward in conjunction with this.

In this case, the pushing body moves freely with respect to the slider at the beginning of its forward movement, and torque is transmitted to the rocking body through the coupling to rotate it in the clamping direction, so that the pushing body moves forward with respect to the slider. At the later stage, it engages with the slider and moves it forward.

Furthermore, when the actuating body moves back, the pushing body moves backward in conjunction with this, and at the beginning of backward movement, the pushing body moves freely with respect to the slider, and applies torque to the rocking body through the coupling device. This is transmitted and rotated in the anti-clamping direction, and then, in the latter half of backward movement, the slider is engaged and moved backward.

Example Embodiments of the present invention will be described below with reference to the drawings.

The clamping device A includes a slider 1 located at the bottom,
It consists of a rocking body 2 located above this, and both are connected at their respective intermediate parts.

That is, a fitting groove 3 is formed in the intermediate portion of the slider 1, an arm 4 formed protruding downward from the intermediate lower surface of the rocking body 2 is fitted into the fitting groove 3, and a swing shaft 5 is inserted into this fitting groove. By installing the rocking body 2 through the slider 1, the rocking body 2 is rotatably connected to the slider 1 in a balance-like manner.
is connected to the slider 1 so as to be tiltable back and forth.

In the front part of the slider 1, there is formed a groove 6 which forms one side of the holding part a whose upper and front surfaces are open, and in the front part of the rocking body 2, a groove 6 is formed which faces the groove 6 and protrudes downward. A pressing portion 7, which forms the other side of the holding portion a, is formed.

The groove 6 has a semicircular cross-sectional shape, and its bottom wall is curved so that the front part extends forward and the rear part extends backward and upward. The lower half of the rear part 8b of the press-fitting member 8 can be placed in the groove 6 with the front part 8a of the press-fitting member 8 protruding forward (in the press-fitting direction).

The slider 1 is attached at its lower portion to a horizontally arranged base 9 so as to be slidable in the front-rear direction via an engagement groove 9a formed of a groove.

A long hole 1 in the front and back direction is provided at the rear of the slider 1.
a, and a connecting pin 12 is slidably inserted in the long hole 1a in the front-rear direction, and a pushing body 11 is connected to the connecting pin 12.
An operating body 10 consisting of a hydraulic cylinder that reciprocates in the front-back direction is connected to the rear part of the hydraulic cylinder 1.

The longitudinal stroke of the actuating body 10 is made larger than the longitudinal dimension of the elongated hole 1a, so that when the pushing body 11 is moved back and forth by the actuating body 10, at the initial stage of the longitudinal movement. , the pushing body 11 is allowed to freely move relative to the slider 1 in accordance with the amount of play between the elongated hole 1a and the connecting pin 12.

The rocking body 2 and the pushing body 11 described above are connected via a so-called link mechanism B.

That is, the rear end of the rocking body 2 and the connecting pin 12 connected to the pushing body 11 are rotatably connected to each other by a connecting tool 13 made of a plate material that slopes upwardly toward the front.

Further, a pressing surface 14 is formed on the front part of the rocking body 2. This pressing surface 14 is for ensuring that the press-fitting force is transmitted by coming into contact with the rear end surface of the press-fitting member 8 when the press-fitting member 8 is held.

In the figure, reference numeral 15 denotes a permanent magnet fixed to the side wall of the groove 6, and is used to attract and hold the press-fitting member 8 placed in the groove 6. Further, 16 is a product placed in front of the clamping device A, and on the opposite side of the press-fitting member 8 clamped by the clamping device A.
It has a mounting hole 17 into which it fits.

Note that the connection between the rocking body and the pushing body shown in the above embodiment may be a cam mechanism type instead of a link mechanism type.

Next, the operation mode of the above embodiment will be explained.

First, when the actuating body 10 is moved back the most, the first
As shown in the figure, the slider 1 retreats with the connecting pin 12 colliding with the rear end of the elongated hole 1a of the slider 1.

When the connecting pin 12 moves to the rear end of the elongated hole 1a, the lower end of the connecting tool 13 moves backward relative to the slider 1, and the swinging body 2 moves in the direction of the arrow in FIG. By rotating, the pressing portion 7 is separated upward from the groove 6, and the holding portion a is operated to open.

As a result, the press-fitting member 8 can be installed in the groove 6 of the holding part a, as shown by the imaginary line in FIG. The magnet 15 attracts and holds it in a predetermined position.

Next, when the actuating body 10 is moved forward, as shown in FIG. No force is generated to press slider 1, and slider 1 does not move forward.

On the other hand, the lower part of the connecting tool 13 connected to the connecting pin 12 is moved forward together with the connecting pin, and since the connecting tool 13 is tilted upward toward the front, it is pivotally supported by the swinging body 2. As a result, the swinging body 2 rotates in the direction of the arrow in FIG. The rear part 8b of the press-fitting member 8 is closed by the closing operation.
is clamped, and the pressing surface 14 of the rocking body 2 comes into contact with the rear end surface of the press-fitting member 8.

When the actuating body 10 moves further forward, the connecting pin 12 comes into contact with the front end of the elongated hole 1a via the pushing body 11, and the front end of the pushing body 11 comes into contact with the rear part of the slider 1. While maintaining the state shown in FIG. 2, it slides on the base 9 and moves forward toward the product 16.

When the actuating body 10 moves forward most, the front portion 8a of the press-fitting member 8 is press-fitted into the 16 mounting holes 17 as shown in FIG.

Next, when the pushing body 11 is moved backward via the actuating body 10, first, at the beginning of the retreat, the pushing body 1
1 and the connecting pin 12 slides backward in the elongated hole 1a, and while sliding, the lower end of the connecting tool 13 moves backward relative to the slider 1 without the slider 1 retreating. As a result, the rocking body 2 rotates about the rocking shaft 5 in the direction of the arrow in FIG.
to open. Next, when the pushing body 11 retreats further, the connecting pin 12 collides with the rear end of the elongated hole 1a, and the clamping device A moves backward together with the actuating body 10 and the pushing body 11, returning to the state shown in FIG. It turns out.

Effects of the Invention As is clear from the above explanation, the present invention utilizes the reciprocating motion of the actuating body that moves the clamping device of the press-fit member in the forward and backward direction with respect to the product to operate the clamping and releasing operation of the clamping device. This eliminates the need to separately perform the clamping/releasing operation of the clamping device and the operation of the actuating body that reciprocates the clamping device, unlike in the past, which simplifies the operation and allows work to be done quickly. play.

In addition, the timing of the clamping and releasing operations of the clamping device is set earlier than the forward and backward movement timing of the clamping device, so that positional displacement when the press-fitting member is transported and removed immediately after press-fitting is avoided. did not occur,
Therefore, there is an effect that the press-fitting accuracy can be increased.

[Brief explanation of the drawing]

Figures 1 to 3 show the operating state of the press-fitting device according to the present invention, with Figure 1 being a partial cross-sectional side view of the press-fitting member being fed to the press-fitting device, and Figure 2 showing the press-fitting member being clamped. A partially sectional side view, FIG. 3 is a side view of the press-fitting member press-fitted into the product, and FIG. 4 is a cross-sectional view taken from FIG. 3. A: Holding device, B: Link mechanism, 1: Slider, 1a: Long hole, 2: Swing body, 5: Swing shaft, 6:
Concave groove, 7: Pressing part, 8: Press-fitting member, 9: Base,
10: Actuating body, 11: Pushing body, 12: Connecting pin,
13: Connector, 14: Pressing surface, 16: Product, 1
7: Mounting hole, a: Clamping part.

Claims (1)

[Scope of utility model registration request] A slider that can slide in the forward and backward direction with respect to the product is provided on the base, and a rocking body that swings like a balance is pivotally supported on the slider. , forming a clamping part that clamps a press-fitting member that is press-fitted into a product; a pushing body is connected to the slider so as to be movable in a predetermined amount forward and backward direction with respect to the slider; and the pushing body is connected to the retreating end of the rocking body. are swingably connected via a connector,
Furthermore, by connecting an actuating body that reciprocates in forward and backward directions with respect to the product to this pushing body, the rocking body can be rotated in the clamping/anti-clipping direction at the beginning of forward and backward movement of the working body. A press-fitting device featuring: