JPH08294879A - Rubber member mounting device - Google Patents

Abstract

(57) [Abstract] [Purpose] In a device that presses and mounts a rubber member having flanges that are locked on both sides of the work into the mounting holes formed in the plate-like work, always attach the rubber member with a certain amount of pressing. Provided is a rubber member mounting device which can be mounted correctly. [Structure] A guide hole 3a opening toward the mounting hole 1a
And a pressing member 4 for pushing the rubber member forward and backward toward the mounting hole 1a in the guide hole 3a.
A mounting device for a rubber member 2 in which a tapered portion 3b having a small opening end is provided inside the opening of a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rubber member mounting apparatus used for mounting a rubber member such as a rubber bush in a mounting hole formed in a metal plate-like work.

[0002]

2. Description of the Related Art A plate-shaped work 100 shown in FIG. 6 is made of metal, for example, and has a circular mounting hole 100a for mounting a rubber bush 101. Rubber bush 101
Has a central hole 101a communicating with the mounting direction, and also has a small diameter portion 101b corresponding to the plate thickness of the work 100 and the inner diameter of the mounting hole 100a.
It has flanges 101c and 101d which are locked to both sides of the work 100 in a state of sandwiching the above.

The mounting device comprises a pressing plate 102 having a positioning recess 102a for the rubber bush 101, and a cylinder 103 for driving the pressing plate 102 forward and backward toward the mounting hole 100a. Then, the cylinder 103 advances the rubber bush 101 together with the pressing plate 102,
By pushing the rubber bush 101 into the mounting hole 100a while forcibly deforming the forward-side flange 101c, the rubber bush 101 is mounted in a state in which the flanges 101c and 101d are locked to both surfaces of the work 100.

[0004]

However, in the conventional mounting device as described above, since the rubber bush 101 is forcibly deformed to be mounted by pressing, the deformed state of the flange 101c at the time of pressing, etc. , Fig. 7
Insufficient pressing as shown in (a) or excessive pressing as shown in FIG. 7 (b) may occur, and it is very difficult to adjust the pressing amount according to the deformed state, There has been a demand for improvement in correctly mounting the rubber bush 101.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional circumstances, and a rubber member having a flange to be engaged with both sides of a work is pushed into a mounting hole formed in a plate-like work and mounted. An object of the present invention is to provide a device for mounting a rubber member that can always correctly mount a rubber member with a constant amount of pushing.

[0006]

A device for mounting a rubber member according to the present invention is a device for mounting a rubber member having a flange engaged with both sides of a work by pushing it into a mounting hole formed in a plate-shaped work. And a guide member having a guide hole opening toward the mounting hole and facing one surface of the work, and a rubber member for pushing back and forth toward the mounting hole in the guide hole. And a taper portion having a small diameter at the opening end inside the guide hole, wherein the rubber member has a central hole communicating with the pressing direction, and the pressing body is A protrusion is inserted into the central hole, a taper portion is provided at a base end portion of the protrusion of the pressing body, and a rubber member pressing surface side of the pressing body is defined as claim 4. A taper is provided on the outer periphery of Configuration and to have, and the means for solving the problems of the above-described configuration.

[0007]

In the rubber member mounting apparatus according to the first aspect of the present invention, when the rubber member is advanced toward the mounting hole by the pressing body, it is provided inside the opening portion of the guide hole in the guide body. Since the taper part compresses the forward side flange of the rubber member and inserts this compressed flange into the mounting hole, the pressure input of the rubber member into the mounting hole is small and the rubber member is It is installed.

In the rubber member mounting apparatus according to the second aspect of the present invention, the rubber member having the central hole is pressed by the protrusion of the pressing body inserted into the central hole. In the rubber member mounting apparatus according to the third aspect of the present invention, the taper portion provided at the base end portion of the protrusion of the pressing body pushes the rubber member toward the mounting hole side. Increase the work to put out.

According to the rubber member mounting apparatus of the fourth aspect of the present invention, the taper portion provided on the outer peripheral portion of the pressing member on the rubber member pressing surface is located inside the opening of the guide hole in the guide member. By facing the taper portion provided, the pushing amount of the rubber member can be increased.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a rubber member mounting apparatus according to the present invention will be described below with reference to the drawings.

The apparatus for mounting a rubber member shown in FIG. 1 has a rubber member (a rubber bush or a rubber bush) having flanges 2a and 2b which are engaged with both sides of the work 1 in a mounting hole 1a formed in a plate-shaped work 1. The rubber pad 2 is pushed in and attached.

The work 1 is made of metal, for example, and has a circular mounting hole 1a formed therein. The rubber member 2 has a central hole 2c communicating with the mounting direction and a small diameter portion 2d corresponding to the plate thickness of the work 1 and the inner diameter of the mounting hole 1a. The small diameter portion 2d sandwiches the work 1 It has flanges 2a and 2b which are locked on both sides over the entire circumference. Each of the flanges 2a and 2b corresponds to a large-diameter portion of two tapered portions each having a small diameter portion at each end of the rubber member 2.

The mounting apparatus has a guide body 3 having a guide hole 3a opening toward the mounting hole 1a and facing one surface of the work 1, and a rubber which is driven forward and backward in the guide hole 3a toward the mounting hole 1a. The pressing body 4 for pushing the manufacturing member is provided. The pressing body 4 is driven back and forth by a cylinder 5 provided on the backward side (lower side in FIG. 1).

The guide hole 3a in the guide body 3 has an inner diameter slightly larger than the diameter of the rubber member 2, and a tapered portion 3b having a small diameter at the opening end is provided inside the opening. On the other hand, the pressing body 4 has a cylindrical protrusion 4a inserted into the central hole 2c of the rubber member 2 at the center of the rubber member pressing surface, and the taper portion 4 is provided at the base end portion of the protrusion 4a.
In addition to b, the rubber member pressing surface also has a tapered portion 4c on the outer circumference. Each taper part 3b, 4b, 4c is
Both are formed over the entire circumference of the guide hole 3a and the pressing body 4.

Here, as shown in FIG. 3 (a), the taper portion 3b of the guide hole 3a and the taper portion 4c of the outer periphery of the pressing body 4 have substantially the same diameter at the small-diameter end portion, and have an angle θ1 with respect to the axis and θ2 has a relationship of θ2> θ1 + 10 °. Further, the taper portion 4b at the base end portion of the protrusion 4a
Indicates that the angle θ3 formed between the pressing member 4 and the rubber member pressing surface is 90 °.
°>θ3> 30 °.

Further, as shown in FIG. 3B, the length t1 of the tapered portion 3b in the guide hole 3a in the axial direction,
The total length t2 of the tapered portions 4b and 4c in the pressing body 4 in the axial direction has a relationship of t1 ≧ t2.

The above-mentioned mounting device is incorporated into a work 1 assembling device as shown in FIG. In this case, work 1
Is a panel body for vehicle construction, for example, and rubber members (rubber bushes or rubber pads) 2 are attached to both ends thereof.

The assembling apparatus includes a guide body 13 (3) facing the lower surface of the work 1 and a cylinder 1 on one side on the left side in FIG.
The pressing body 14 driven upward and backward by 5 (5)
(4) is provided, and on the other side, a guide body 23 (3) facing the upper surface of the work 1 and a pressing body 24 (4) that is driven downward and forward by a cylinder 25 (5) are provided.
An elevating device 31 that operates during loading and unloading of the work 1 is provided between both mounting devices.

The guide body 13 (3) on one side also serves as a work receiver, and holds and holds the end portion of the work 1 between the guide body 13 (3) and the upper clamp 33 which is rotated by the clamp cylinder 32. The guide body 23 (3) on the other side is attached to a slide 34 that can move up and down, and holds the end portion of the work 1 by sandwiching the end portion of the work 1 between the guide body 23 (3) and the lower work receiver 35 facing the guide body 23. A slide 36 for locating the work is provided in the work receiver 35. Further, the lifting device 31 includes a plurality of guide rods 3 slidably penetrating the lifting cylinder 38 provided on the base 37 and the base 37.
9, a lift 41 provided with a plurality of work receivers 40
Is designed to be raised and lowered.

In the mounting device for the rubber member 2, the rubber member 2 is attached to the mounting hole 1a by the pressing body 4 by the extension drive of the cylinder 5.
When it is advanced toward, the taper portion 3b provided inside the opening of the guide hole 3a in the guide body 3 compresses the forward-side flange 2a of the rubber member 2 and attaches the compressed flange 2a. It will be made to enter in hole 1a.

Therefore, the pressing force of the rubber member 2 into the mounting hole 1a is small, and the rubber member 2 is not deformed irregularly by the mounting hole 1a. As a result,
As shown in FIG. 2, the rubber member 2 is correctly mounted in the mounting hole 1a.

At this time, in the mounting device, the central hole 2c
Since the pressing member 4 is provided with the protruding portion 4a to be inserted into the central hole 2c of the rubber member 2 having the above-mentioned shape, in the pressing process, the taper portion 3b is used to move the rubber meat to the center side as shown by the arrow in FIG. And continuously press the rubber meat to the forward side by the protrusion 4a as shown by the arrow in FIG. 4 to push the rubber member 2 into the mounting hole 1a without abnormal deformation. The taper portion 4b provided at the base end portion of the protrusion 4a further enhances the function of pushing the rubber member 2 toward the mounting hole 1a side.

Further, in the above-mentioned mounting apparatus, since the taper portion 4c is provided on the outer peripheral portion of the pressing body 4 on the rubber member pressing surface side, as shown in FIG. 3 (b), the taper portion 4c and the guide hole 3 are provided.
The pressing body 4 can be moved forward to a position where the taper portion 3b of “a” faces, and a larger pressing amount of the rubber member 2 can be obtained if necessary.

[0024]

As described above, according to the rubber member mounting apparatus according to the first aspect of the present invention, the mounting holes formed in the plate-shaped work have the flanges that are engaged with both surfaces of the work. In a device in which a rubber member is pushed in and mounted, the taper portion of the guide hole can reduce the pressure input of the rubber member into the mounting hole, and prevent the rubber member from being irregularly deformed by the mounting hole. Therefore, even if the pushing amount is not strictly adjusted, the rubber member can always be correctly mounted with a constant pushing amount.

According to the rubber member mounting apparatus of the second aspect of the present invention, the rubber member having the central hole is
By adopting a pressing body having a protrusion inserted into the central hole, it is possible to prevent abnormal deformation of the rubber member at the time of pushing by the protrusion, and to make the mounting operation of the rubber member smoother. be able to.

According to the rubber member mounting apparatus of the third aspect of the present invention, the rubber member is pushed out toward the mounting hole side at the time of pushing by the taper portion provided at the base end portion of the projection of the pressing body. The function can be enhanced, and the mounting operation of the rubber member can be further facilitated.

According to the rubber member mounting device of the fourth aspect of the present invention, the taper portion provided on the outer peripheral portion of the pressing body on the rubber member pressing surface side increases the amount of advancement of the pressing body. It is possible to obtain a larger pushing amount of the manufacturing member, and it is possible to easily cope with the case where, for example, a rubber member having different dimensions in the mounting direction is mounted.

[Brief description of drawings]

FIG. 1 is a cross-sectional view illustrating an embodiment of a rubber member mounting device according to the present invention.

FIG. 2 is a cross-sectional view illustrating a state after completion of mounting of a rubber member.

3A and 3B are cross-sectional views illustrating an angular relationship (a) and a dimensional relationship (b) between the guide hole and each tapered portion of the pressing body.

FIG. 4 is a cross-sectional view illustrating a deformed state of a rubber member when it is pushed in.

FIG. 5 is a diagram for explaining a work assembling apparatus in which a mounting apparatus is incorporated.

FIG. 6 is a cross-sectional view illustrating a conventional rubber member mounting device.

FIG. 7 is a cross-sectional view showing a state (a) of insufficient pushing of the rubber member and a state (b) of excessive pushing.

[Explanation of symbols]

 1 Work 1a Mounting Hole 2 Rubber Member 2a 2b Flange 2c Central Hole 3 Guide Body 3a Guide Hole 3b (Guide Hole) Tapered Part 4 Pressing Body 4a Projection 4b (Protrusion Base End) Tapered Part 4c (Pressing Surface) Tapered part (outer periphery)

Claims (4)

[Claims] 1. A device for inserting a rubber member having a flange to be locked on both sides of a work into a mounting hole formed in a plate-like work by mounting, and having a guide hole opening toward the mounting hole. Further, a guide member facing one surface of the work and a pressing member for pushing the rubber member forward and backward toward the mounting hole in the guide hole are provided, and a taper portion having a small opening end inside the opening portion of the guide hole. An apparatus for mounting a rubber member, characterized in that: 2. The rubber member mounting device according to claim 1, wherein the rubber member has a central hole communicating with the pushing direction, and the pressing body has a protrusion inserted into the central hole. . 3. The rubber member mounting apparatus according to claim 2, wherein a taper portion is provided at a base end portion of the protrusion of the pressing body. 4. The rubber member mounting apparatus according to claim 1, wherein a taper portion is provided on an outer peripheral portion of the pressing body on the rubber member pressing surface side.