JPH0696211B2 - Door hinge assembly equipment for automobiles - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door hinge assembling apparatus, and more particularly to an apparatus for assembling a door hinge for connecting a vehicle body and a door, which includes a pair of hinge members constituting the door hinge. A vehicle in which a hinge pin is inserted together and a resin washer for preventing the hinge pin from coming off is automatically engaged with the hinge pin, thereby facilitating the work of joining and separating the vehicle body and the door. Door hinge assembly device.

Conventionally, a vehicle body and a door, which have undergone a welding process in order to eliminate uneven coating, are joined by a door hinge to integrally coat the vehicle body and the door, and then a hinge pin inserted into the door hinge is removed to remove the vehicle body door. And are separated, and each outfitting work is being performed again.

In this case, the door hinge is integrally assembled with the door body by inserting a hinge pin into a pair of hinge members, and at this time, a separate temporary clip is used to prevent the hinge pin from falling off. . The plate clip is constructed so that it can be removed relatively easily.

However, the temporary clip cannot be reused, and the manufacturing cost of the temporary clip itself is relatively high. Further, when the temporary clip is automatically attached and detached, it is extremely difficult to hold the temporary clip because the temporary clip is considerably small, and it is not suitable for automation. Therefore, it is impossible at all to attach and detach the temporary clip automatically. For this reason, it has been pointed out that the automation of the automobile manufacturing line is hindered and the production efficiency is reduced.

The present invention has been made to overcome the above-mentioned inconvenience, and at the time of assembling a door hinge for integrally assembling a door and a vehicle body by inserting a hinge pin into each hinge member attached to the vehicle body and the door, A resin washer for preventing the hinge pin from falling off is used, the resin washer is held at one end side of the hinge member, and the hinge pin is press-inserted from the other end side of the hinge member. Side and door side door hinges are automatically assembled through the washer, and the washer is flexed to disengage the hinge pin from the hinge member, thereby automatically separating the vehicle body and the door. It is an object of the present invention to provide a vehicle door hinge assembly device that enables the above.

In order to achieve the above object, the present invention is a device for assembling a door hinge for connecting a vehicle body and a door of an automobile, which comprises a hinge pin inserting mechanism for inserting a hinge pin into a pair of hinge members constituting the door hinge, and a synthetic resin. A feeding mechanism for punching a hole for engaging the hinge pin in the material and feeding the synthetic resin material; and cutting the synthetic resin material to form a washer and holding the washer. It is characterized in that it is composed of a guide mechanism that is moved to engage with the hinge pin.

A preferred embodiment of a vehicle door hinge assembly apparatus according to the present invention will now be described in detail with reference to the accompanying drawings.

1 to 3, reference numeral 10 indicates an automobile door hinge assembly apparatus according to the present invention, and the automobile door hinge assembly apparatus 10 is mounted on a base 12 with a guide mechanism 14.
And a synthetic resin material feeding mechanism 16 for forming a washer
And a hinge pin insertion mechanism 18 basically.

The guide mechanism 14 includes a first cylinder 22 supported by an angle member 20 attached to the base 12 substantially parallel to the base 12. A cylinder rod 24 projects from one end surface of the first cylinder 22, and the cylinder rod 24 is moved in the left-right direction in the drawing (hereinafter referred to as “left-right direction” as the piston (not shown) disposed inside the first cylinder 22 slides. , X-axis direction). Cylinder rod 24
The tip end of the shaft passes through a hole (not shown) of the angle member 20 and engages with a support member 28 mounted on a guide rail 26 attached to the base 12. That is, the support member 28 drives the first cylinder 22 to drive the cylinder rod.
The guide rail 26 is movable via 24. Further, one end surface of the support member 28 supports a quadrangular prism-shaped sleeve 30. The sleeve 30 is provided with a hole portion 32 extending in the X-axis direction. In this case, the hole portion 32 has a large diameter portion and a small diameter portion communicating with the large diameter portion. That is, the step portion 32a is formed between the large diameter portion and the small diameter portion. The hole 3
A coil spring 34 is installed in the large-diameter portion of 2, and one end side of the coil spring 34 is engaged and held by the support member 28 and the other end side is a flange portion 36a formed on one end side of the guide pin 36. And the guide pin 36 is pressed against. As a result, the flange portion 36a comes into pressure contact with the step portion 32a with a predetermined load. The other end side of the guide pin 36 is fitted in the small diameter part of the hole 32, and the tip part thereof is formed in a tapered shape and protrudes outward from the other end surface of the sleeve 30. Therefore, as can be easily understood from FIG. 1, the guide pin 36 can be retracted inside the sleeve 30 against the elastic force of the coil spring 34 by pressing the tip portion thereof. It is possible.

In FIG. 1, the feeding mechanism 16 is arranged near the tip of the guide pin 36. The feeding mechanism 16 is the base
The bracket 38 including the bracket 38 erected from 12
As shown in FIG. 4, is a first side plate 38a, a second side plate 38b, and a top plate which are arranged so as to sandwich the guide mechanism 14.
It is composed of 38c. A first guide plate 40 and a second guide plate 42 are attached to the front surface of the bracket 38. The first guide plate 40 and the second guide plate 42 define a gap 44 into which a strip-shaped synthetic resin material, which will be described later, is inserted to perform a guide function. In addition, the second guide plate 42
A recess 46 is formed in the upper part of the first guide plate 40 side,
A cutter 48 is arranged on the lower part of the other surface side. The cutter 48
The blade portion 48a of the blade is located below the second guide plate 42 and faces the guide mechanism 14.

On the other hand, a cylindrical roller 52 is rotatably supported on the upper portion of the bracket 38 by a pin member 50 bridging the first side plate 38a and the second side plate 38b. In this case, a plurality of hole forming members 54 are mounted on the outer peripheral wall surface of the roller 52, and the roller 52 is configured to rotate in the direction of arrow A by a drive source (not shown). Further, a pair of holding members 56a and 56b are formed so as to project upward from the upper portions of the first side plate 38a and the second side plate 38b that constitute the bracket 38, and the holding members 56a and 56b are provided above the holding members 56a and 56b. Recesses 57a and 57b are formed. The pin 58 is bridged to the recesses 57a and 57b, and a belt-shaped synthetic resin material 60 is wound around the pin 58.

On the other hand, a hinge pin insertion mechanism 18 is mounted at a predetermined distance from the feeding mechanism 16. The hinge pin insertion mechanism 18 includes an angle member 62 attached to the base 12, and a second cylinder 64 is attached to the angle member 62 so as to face the first cylinder 22 constituting the guide mechanism 14. To be done. A cylinder rod 66 projects from one end surface of the second cylinder 64, and the cylinder rod 66 is slidably fitted in the second cylinder 64 along with a sliding movement of a piston (not shown) in the X-axis direction. Can be displaced. A concave portion 68 is formed at a tip end portion of the cylinder rod 66, and a flange portion 70a formed at one end side of the hinge pin 70 is engaged with the concave portion 68, so that the hinge pin 70 is fixed to the cylinder rod 66.
Will be supported by. The other end of the hinge pin 70 has a circumferential groove 70 for engaging a resin washer described later.
b is provided.

A surface plate 72 is arranged between the feeding mechanism 16 and the hinge pin insertion mechanism 18, and one surface of the hinge members 74, 76 for assembly is attached to the surface plate 72. Are configured to be fixedly positioned.

The vehicle door hinge assembly apparatus according to the present invention is basically constructed as described above. Next, its operation and effect will be described.

First, as shown in FIG. 1, a hinge member for assembly is installed.
One of the hinge members 74, 76 is fixed to the surface plate 72.
Then, the other hinge member 76 is engaged with the hinge member 74 to position and fix it. In this case, the holes formed in the hinge members 74 and 76 are all coaxially aligned. Further, the hole portion is a guide pin 36 that constitutes the guide mechanism 14,
It will be easily understood from the fact that the hinge pin 70 supported by the hinge pin insertion mechanism 18 is also arranged coaxially.

Next, one end of the belt-shaped synthetic resin material 60 is inserted into the gap 44 defined by the first guide plate 40 and the second guide plate 42, and the roller 52 is moved under the driving action of a driving source (not shown). Rotate in the A direction. As a result, in the belt-shaped synthetic resin material 60, as shown in FIG.
60a is drilled and is fed in the direction of arrow B shown in FIG. 1, and is fed to the front surface of the guide pin 36 which constitutes the guide mechanism 14 through the gap 44.

Then, the first cylinder 22 is operated to operate the cylinder rod 24.
Is moved toward the hinge members 74 and 76. The support member 28 is displaced in accordance with the movement operation of the cylinder rod 24, and the sleeve 30 supported on one end surface of the support member 28.
Cuts the synthetic resin material 60 and brings the synthetic resin material 60 into contact with one end of the hinge member 76 as a resin washer 78. That is, when the support member 28 starts to move, the tip of the guide pin 36 that fits into the sleeve 30 is bored near one end of the belt-shaped synthetic resin material 60 fed to the front surface of the guide pin 36. Engages with the hole 60a. When it is further displaced, the upper edge of the sleeve 30 and the cutter
With the blade portion 48a of 48, the strip-shaped synthetic resin material 60 is
One resin washer is cut from the part indicated by the dotted line in the figure.
78. The resin washer 78 is held and moved by the guide pin 36 and moves to the tip portion of the sleeve 30 and the hinge member 76.
It is held by one end (see FIG. 2).

Next, as shown in FIG. 3, the second cylinder 64 is operated to insert the hinge pin 70 previously supported by the tip end portion of the cylinder rod 66 into the holes of the hinge members 74 and 76. And
When the hinge pin 70 penetrates through the holes formed in the hinge members 74 and 76, the hole 60a formed in the resin washer 78 and the circumferential groove 70b formed at the tip of the hinge pin 70.
Will be engaged. In this case, the guide pin 36 retracts inside the sleeve 30 under the pressing action of the hinge pin 70, as can be easily understood from FIG.

Then, after retracting the first cylinder 22 and the second cylinder 64, the roller 52 is driven to feed a new synthetic resin material to perform the assembly work of the next stage.

The door hinge is automatically assembled by the above operation, and if the door hinge is used to connect the vehicle body and the door,
After that, when the vehicle body and the door are separated from each other, the washer 78 that engages with the tip end portion of the hinge pin 70 can be separated by only slightly bending, and as a result, the hinge pin 70 can be easily pulled out. Therefore, the automation of the attachment / detachment work of the vehicle body and the door becomes extremely easy. Of course, even if the tip end portion of the hinge pin 70 is lightly pressed and moved in the opposite direction to the insertion direction, the washer 78 can easily release the connection with the hinge pin 70, and the same effect can be obtained.

As described above, according to the present invention, by inserting the hinge pin into the hinge member attached to the vehicle body and the hinge member attached to the door, in the vehicle door hinge assembly apparatus for assembling the door hinge, the respective hinge members are positioned and fixed. The hinge pin temporary lock washer is used to prevent the hinge pin from falling off only by a simple operation of inserting the hinge pin. Further, the washer for temporary fixing is formed by forming holes at predetermined intervals in a band-shaped synthetic resin material and cutting the band-shaped synthetic resin material at an intermediate portion of each of the holes. ing. Therefore, it is possible to reduce the manufacturing cost of the temporary fixing washer itself.

Further, since the washer is made of a synthetic resin material, when the hinge pin is pulled out to separate the vehicle body and the door in the subsequent automobile manufacturing process, the tip of the hinge pin is lightly pressed or the washer is bent. With this simple operation, the temporary fixing washer comes off and the hinge pin can be pulled out. As a result, the work of inserting and removing the hinge pin can be easily automated, and the advantage of improving production efficiency can be obtained.

Although the present invention has been described with reference to the preferred embodiments, the present invention is not limited to these embodiments, and various improvements and design changes can be made without departing from the scope of the present invention. Of course.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially sectional front view showing a vehicle door hinge assembly apparatus according to the present invention, and FIGS. 2 and 3 are operation explanatory views of the vehicle door hinge assembly apparatus according to the present invention. FIG. 4 is a side view showing a feeding mechanism that constitutes the vehicle door hinge assembly apparatus according to the present invention. 10 …… Automotive door hinge assembly device 14 …… Guide mechanism, 16 …… Feed mechanism 18 …… Hinge pin insertion mechanism, 22 …… Cylinder 28 …… Supporting member, 30 …… Sleeve 36 …… Guide pin, 38 …… Bracket 48 …… Cutter, 52 …… Roller 60 …… Synthetic resin material, 64 …… Cylinder 70 …… Hinge pin, 72 …… Surface plate 74,76 …… Hinge member, 78 …… Washer

Claims (5)

[Claims] 1. A device for assembling a door hinge for connecting a vehicle body and a door of an automobile, comprising: a hinge pin inserting mechanism for inserting a hinge pin into a pair of hinge members constituting the door hinge; A feed mechanism for forming a hole for fitting and feeding the synthetic resin material, and for cutting the synthetic resin material to form a washer and holding the washer to engage with the hinge pin. A door hinge assembly apparatus for an automobile, comprising: a guide mechanism that conveys to the inside. 2. The door hinge assembling apparatus for an automobile according to claim 1, wherein the hinge pin is supported by a tip end portion of a rod which is displaced in accordance with the operation of an actuator constituting the hinge pin inserting mechanism. 3. The apparatus according to claim 1, wherein the feeding mechanism is a roller that rotates in a predetermined direction under the driving action of a driving source, and a belt-shaped composite provided near the circumference of the roller. An automobile door hinge assembly apparatus comprising: a resin material; and a cylindrical blade portion having a hole formed therein. 4. The apparatus according to claim 1, wherein the guide mechanism is capable of advancing and retracting with respect to the hinge member to be assembled, and is made of a synthetic resin material between the guide member and the blade portion during advancing operation. A door hinge assembly apparatus for an automobile, comprising: a sleeve for cutting; and a guide pin that engages with the hole of the synthetic resin material is fitted into the sleeve. 5. The vehicle door hinge assembling apparatus according to claim 4, wherein the guide pin is configured to be movable back and forth by an elastic body disposed inside the sleeve.