JPH10250651A - Removal method for window glass - Google Patents

Abstract

PROBLEM TO BE SOLVED: To safely remove a window glass from a car body in a short time by advancing a claw from the outside of the car body toward the window glass, inserting its tip into the car body, lifting the inserted claw toward the roof side, and retreating the claw from the car body in the separating direction. SOLUTION: A claw 15 is advanced from a bonnet 3A side in the outside of a car body 3 toward a front glass 4, and the tip side of the claw 15 stabs the bottom end part of the front glass 4 so as to be inserted in the car body 3. Secondly, after the tip of the claw 15 is rotationally moved upward, as shown in a two-dot chain line, by a prescribed angle from the horizontal surface in an arrow C direction, it is lifted in the roof 3C direction. Then, the claw 15 is retreated in the separating direction (an arrow A') from the car body and, when it reaches a point apart from the roof 3C, a part of the front glass 4 fixed to the roof 3C is separated. This constitution can remove the front glass 4 from the car body 3 in a short time improve the workability, and facilitate the removal work.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a window glass adhered to a vehicle body such as an automobile, and more particularly to a method for removing a window glass suitable for use in removing a windshield.

[0002]

2. Description of the Related Art In general, among window glasses provided on vehicles such as automobiles, a windshield provided on the front side of a vehicle body is formed as a laminated glass having a resin film made of polyvinyl butyral (PVB) or the like interposed therebetween. The periphery is fixed to the vehicle body by bonding.

[0003] Further, the windshield is attached to the vehicle body, making it difficult to remove the windshield, and because the resin film intervenes, it takes time and effort to regenerate the windshield. In that case, the windshield was finely crushed and then discarded.

However, recently, in order to reuse resources, a windshield is removed from a vehicle body, and the windshield is separated into glass and a resin film for reuse.

[0005] When removing the windshield adhered to the vehicle body, a hole is formed in the windshield, and using the hole as a starting point, the peripheral side of the windshield is cut by an electric saw, a grinder, or the like, separated from the vehicle body, and collected. doing.

[0006]

In the above-described method for removing a windshield according to the prior art, the windshield is separated from the vehicle body because an electric saw or the like needs to be moved over the entire length of the peripheral edge of the windshield. It takes a lot of time and work time.

Further, when separating the windshield from the vehicle body, it is necessary for an operator to get on and off the hood, and the hood is slippery and the scaffold is unstable.
There is a problem in terms of safety during work.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and an object of the present invention is to provide a method for removing a window glass from which a window glass can be safely removed in a short time. is there.

[0009]

According to a first aspect of the present invention, there is provided a method of removing a window glass, comprising: moving a nail forward from outside the vehicle body toward the window glass; The nail insertion process of inserting the nail into the body, the nail lifting process of lifting the nail inserted in the window glass toward the roof side, and the nail lifted to the roof side are retracted in the direction away from the vehicle body, so that the And a glass stripping step of stripping the window glass.

With this configuration, in the nail inserting step, the nail is advanced from the outside of the vehicle body toward the window glass, and the tip of the nail is inserted into the vehicle body. In the nail lifting step, the nail inserted into the window glass is lifted. Is lifted toward the roof, and in the glass removing step, the window glass can be peeled off from the vehicle body by retracting the claws lifted toward the roof side away from the vehicle body.

According to the second aspect of the present invention, the window glass separated from the vehicle body can be separated so as to extend along the nail by lifting the nail toward the roof while retracting the nail in the nail lifting step.

According to a third aspect of the present invention, the claw is formed in a substantially trapezoidal shape in which the width dimension is wide on the base end side and gradually narrows toward the tip end side, so that the amount of insertion of the claw is adjusted to variously change. It can correspond to the window glass of the width dimension.

According to a fourth aspect of the present invention, a pair of claws are provided apart from each other in the width direction of the window glass, and the claw width of each of the claws is reduced along the left and right pillars in the claw lifting step. By lifting, the windowpane can be separated without remaining along the pillar.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, as a method for removing a window glass according to an embodiment of the present invention, a method for removing a windshield using a glass removing device will be described as an example, and the method will be described in detail with reference to the accompanying drawings.

FIGS. 1 to 3 show a first embodiment of the present invention. Reference numeral 1 denotes a booth constituting a dismantling line, in which a vehicle 2 to be dismantled and dismantled is sequentially placed. It is transported. The vehicle 2 is covered with a vehicle body 3 including a bonnet 3A, left and right front pillars 3B and 3B (only one is shown), a roof 3C, and the like. Each of the front pillars 3B gradually moves upward. They are arranged in a C shape so as to approach each other.

Reference numeral 4 denotes a windshield provided as a window glass provided on the front side of the vehicle body 3. The windshield 4 is formed as a laminated glass having a resin film made of polyvinyl butyral (PVB) or the like interposed therebetween. It has a trapezoidal shape symmetrical left and right along the left and right widths of 3B. The front glass 4 has its peripheral edge fixed to the front pillar 3B, the roof 3C, and the like with an adhesive.

Next, reference numeral 11 denotes a glass removing device provided in the middle of the booth 1. The glass removing device 11 generally comprises a moving body 12, a lifting body 13, a claw 15, and the like, which will be described later.

Reference numeral 12 denotes a moving body provided on the ceiling side of the booth 1. The moving body 12 is supported by rails or the like, and can be moved in the direction of arrows AA 'by a moving cylinder (neither is shown). Has become.

Reference numeral 13 denotes an elevating body provided to hang down from the moving body 12. The elevating body 13 moves up and down in the direction of the arrow BB 'through the elevating cylinder 14. The elevating body 13 has left and right arms 13A, 13A extending to face the vehicle 2 conveyed in the booth 1, and a claw (described later) is provided on the tip end of each arm 13A. 15 is rotatably mounted.

Reference numeral 15 denotes a claw attached to the elevating body 13. As shown in FIG. 2, the claw 15 has a base end rotatably supported by a shaft 16 provided between the arms 13A. It is formed as a single flat plate elongated so that the sides become gradually thinner. Further, the claw 15 is formed in a substantially trapezoidal shape symmetrical in the left and right directions, the width of which is wide on the base end side and gradually narrows toward the front end side. Thereby, the nail 15
By adjusting the amount of insertion into the windshield 4,
It can correspond to various windshields 4 having different width dimensions. Further, a bracket 15 is provided on the base end side of the claw 15.
A is provided, and between the bracket 15A and the elevating body 13, a rotary cylinder 17 for rotating the claw 15 in the direction of the arrow CC 'is attached.

The glass removing device 11 according to the present embodiment has the above-described configuration. Next, a method of removing a windshield using the glass removing device 11 will be described with reference to FIG.

First, the nail insertion step will be described.
In this claw insertion step, when the vehicle 2 is conveyed in the booth 1 and is located at the position where the windshield 4 is removed, the moving body 12 is moved in the direction of arrow A, and the claw 15 is positioned outside the vehicle body 3 in the hood. It is advanced toward the windshield 4 from the 3A side. As a result, the tip end of the claw 15 pierces the lower end of the windshield 4 and is inserted into the vehicle body 3. When the nail 15 is inserted, by adjusting the amount of insertion of the nail 15 with respect to the windshield 4, the width of the nail 15 whose width gradually narrows toward the distal end side can be reduced to the width between the left and right front pillars 3B. It can be inserted according to the dimensions.

Next, in the claw lifting step, the tip of the claw 15 inserted into the vehicle body 3 in the claw insertion step is turned upward by a predetermined angle from the horizontal plane in the direction of arrow C, and is indicated by a two-dot chain line. After the state shown in the figure, the elevating body 13 is moved in the direction of arrow B to lift the tip of the claw 15 toward the roof 3C. Also,
When the nail 15 is lifted, the movable body 12 is gradually moved in the direction indicated by the arrow A ′ to retreat the nail 15 with respect to the windshield 4, and the width dimension of the nail 15 in contact with the windshield 4. Is gradually narrowed along the inclination of the front pillar 3B. As a result, it is possible to prevent the windshield 4 from falling into the vehicle body 3 and to dispose the windshield 4 separated from the vehicle body 3 on the claw 15,
Further, the windshield 4 can be peeled off in a wide range.

Next, in the glass removing step, the moving body 12 is removed.
Is moved in the direction of arrow A ', and the roof 3C is
The claw 15 lifted to the side is retracted toward the direction away from the vehicle body 3, that is, toward the bonnet 3A. As a result, the claw 15 retreats in the direction indicated by the arrow A ', and when it comes off the roof 3C, the portion of the windshield 4 fixed to the roof 3C is separated, and the windshield 4 can be removed from the vehicle body 3. it can.

Therefore, according to this embodiment, the tip of the claw 15 is inserted into the vehicle body 3 in the claw insertion step, the claw 15 is lifted to the roof 3C side in the claw lifting step, and the claw 1 is removed in the glass removing step.
By retracting 5 and peeling off the windshield 4,
The windshield 4 can be removed from the vehicle body 3. Thereby, since the windshield 4 can be removed from the vehicle body 3 in a short time, work efficiency can be improved, and the work of collecting the windshield 4 can be facilitated.

Moreover, when the windshield 4 is separated from the vehicle body 3, the worker does not directly touch the windshield 4 and does not need to get on and off the hood 3A, thereby improving safety during work. be able to.

Further, the width of the claw 15 is formed substantially in a trapezoidal shape that is wide on the base end side and gradually narrows toward the front end side, so that the amount of insertion of the claw 15 into the windshield 4 can be adjusted. It is possible to cope with various windshields 4 having different width dimensions, so that the applicable range of one nail 15 can be widened.

In the claw lifting step, the tip of the claw 15 is slightly turned upward in the direction of arrow C after the tip of the claw 15 is inserted into the vehicle body 3. When the vehicle is lifted to the roof 3C side, the windshield 4 peeled off from the vehicle body 3 can be held by the inclination of the claws 15 to prevent the windshield 4 from dropping into the vehicle body 3 and prevent the windshield 4 can be efficiently recovered.

Further, the nail 15 is moved to the roof 3 in the nail lifting process.
When lifting to the C side, the claw 15 is gradually retracted in the direction of arrow A ', so that the windshield 4 separated from the vehicle body 3 can be arranged on the claw 15 and the windshield 4 is In addition to being able to prevent the windshield 4 from dropping into the vehicle body 3, the removed windshield 4 can be easily collected from the claw 15 and the workability can be improved.

When the claw 15 is lifted to the roof 3C side, the claw 15 is retracted in the direction of arrow A '.
The width of the claw 15 can be adjusted according to the width between the front pillars 3B located on the left and right sides, and the windshield 4 can be peeled off without leaving the windshield 4 along the front pillar 3B. Can be increased.

Next, FIG. 4 shows a second embodiment of the present invention. The feature of this embodiment is that the pawl is divided into left and right parts to be movable, and the left and right pawls are moved by a spring member. The configuration is such that it is urged in a direction to separate. In this embodiment, the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

Reference numerals 21 and 21 denote a pair of claws according to the present embodiment, which are attached to the elevating body 13 and are spaced apart in the width direction of the windshield 4. These claws 21 have base ends provided between the arms 13A. It is supported by the shaft 16 so as to be rotatable and movable in the left and right directions, and is formed in a long plate shape extending so that the front end side is gradually thinned. The tip side of the claw 21 is cut off diagonally on the outside in the width direction. Further, a bracket 21A is provided on the base end side of each of the claws 21, and a rotary cylinder 17 is attached to each of the brackets 21A via a sliding shaft 22.

Reference numeral 23 denotes a spring member located on the outer peripheral side of the shaft 16 and disposed between the left and right claws 21. The spring member 23 is
This is to urge the claws 21 so as to be separated in the width direction of the windshield 4.

Reference numeral 24 denotes a pawl moving cylinder provided between the left and right pawls 21. The pawl moving cylinder 24 moves in a direction to bring the left and right pawls 21 closer to each other against the spring member 23. Things.

The present embodiment is configured as described above. Next, a case where the front glass 4 is removed using the claws 21 will be described.

First, in the claw insertion step, the left and right claws 21 are brought close to each other by the claw moving cylinder 24 against the spring member 23, and the claw 21 is pierced into the lower central portion of the windshield 4 in this state. Next, the left and right claws 21 are separated by a spring member 23 as shown by a two-dot chain line.

Next, in the claw lifting step, the claw 21 is lifted toward the roof 3C. At this time, left and right nails 2
1 abuts on the left and right front pillars 3B, respectively, and moves so as to gradually approach along the inclination of the front pillars 3B. Therefore, the claws 21 peel the windshield 4 along the front pillars 3B over a wide area. Can be taken.

Next, in the glass removing step, the claw 21 is retracted in the direction of arrow A ', and the roof 3C of the windshield 4 is moved.
The windshield 4 is detached from the vehicle body 3 by separating the portion that has been fixed to the vehicle body 3.

Thus, in the present embodiment having the above-described structure, substantially the same operation and effect as those in the first embodiment can be obtained.
The width of the left and right claws 21 can be automatically adjusted along the left and right front pillars 3B only by lifting the front windshield 3C toward the roof 3C, so that the operability when removing the windshield 4 is improved. Can be enhanced. In addition, the collection efficiency of the windshield 4 can be increased.

FIGS. 5 and 6 show a third embodiment of the present invention. The feature of this embodiment is that the left and right claws are formed so as to overlap each other. In this embodiment, the same components as those in the above-described second embodiment are denoted by the same reference numerals, and description thereof will be omitted.

Reference numeral 31 denotes a left claw provided on the left side in the figure. The left claw 31 is supported by the shaft 16 so as to be rotatable and movable in the left and right directions. Further, the left nail 31 has a larger outer dimension than a right nail 32 described later. Further, as shown in FIG. 6, the right nail 3
A sheath-shaped portion 31A having a V-shaped cross section is provided so as to cover 2 and the left claw 31 is formed in a bag shape as a whole.

Reference numeral 32 denotes a right claw provided on the right side in the figure, and the right claw 32 is supported by the shaft 16 so as to be rotatable and movable left and right. The right nail 32 is the left nail 3
1 and a blade-shaped portion 32A is provided so as to overlap the sheath-shaped portion 31A of the left claw 31.

The left claw 31 and the right claw 32 greatly overlap the sheath-shaped portion 31A and the blade-shaped portion 32A when they are close to each other. It can be filled with the blade-shaped portion 32A.

Thus, also in the present embodiment thus configured, the left claw 31 and the right claw 32 are provided so as to be movable in the width direction of the windshield 4, and have substantially the same operation as the above-described second embodiment. The effect can be obtained. However, in particular, in the present embodiment, even when the claws 31 and 32 are separated from each other,
The detached windshield 4 can be supported by the sheath-shaped portion 31A and the blade-shaped portion 32A, and the fall of the windshield 4 can be reliably prevented.

Next, FIG. 7 shows a fourth embodiment of the present invention. The feature of this embodiment is that the claws divided into left and right are approached and separated by a cylinder. In this embodiment, the same components as those in the above-described second embodiment are denoted by the same reference numerals, and description thereof will be omitted.

Reference numerals 41, 41 denote pawls 21, 2 located on the left and right sides, respectively.
1, the claw moving cylinders 41 according to the present embodiment, each of which is provided in place of the spring member 23.
Are moved so as to approach and separate from each other in the width direction.

Thus, in this embodiment constructed as described above, substantially the same operation and effect as those of the above-described embodiments can be obtained. In particular, in this embodiment, the pawl 21 is moved by the pawl moving cylinder 41. The left and right claws 21 with respect to the width of the windshield 4 can be approached and separated.
Can be accurately and easily adjusted.

It is needless to say that the present invention is not limited to the above-described embodiment. For example, the method for removing the window glass of the present invention is not limited to the windshield 4 but is made of laminated glass. It can be used to remove the window glass of each part. In general, the safety glass of an automobile or the like is composed of a laminated glass only for a windshield, but when the rear glass is a laminated glass, the method of the present invention can be used for removing the rear glass. In any case, the window glass that can be easily collected by the method of the present invention is composed of laminated glass.

In each of the above embodiments, the moving cylinder,
The lifting cylinder 14, the rotating cylinder 17, and the pawl moving cylinders 24 and 41 are used as the driving means.
For example, a motor, a ball screw, or the like may be used as a driving unit.

Further, the moving body in the present invention may be any as long as at least the movement of the claw is required to be advanced, lifted and retracted, which is necessary for the present invention, between the claw and the vehicle body.
For example, in addition to the above embodiment, the vehicle body may be fixed on a conveyor that can move in the horizontal direction, and the pawl itself may be moved up and down to give the vehicle body forward, lifting, and retreating movements. In this case, since it is required to maintain the consistency between the movement of the vehicle body and the claw, it is preferable to move only one, particularly only the claw, as in the above-described embodiment, rather than moving both.

Further, when moving only the pawls, for example, the pawls may be attached to the tip of an industrial vehicle such as a shovel loader or a forklift to give the above-described movement to the vehicle body. In this case, it is preferable that the window glass can be removed at any place simply by moving the industrial vehicle to the place where the vehicle body is located without bringing the vehicle body into the booth.

[0052]

As described above in detail, according to the first aspect of the present invention, in the nail inserting step, the nail is advanced from the outside of the vehicle body toward the window glass, the tip of the nail is inserted into the vehicle body, and the nail lifting step is performed. The window glass can be peeled off from the vehicle body by lifting the nail inserted into the window glass toward the roof side and retracting the nail lifted toward the roof side in the glass peeling process away from the vehicle body. .

Therefore, the windowpane can be removed from the vehicle body in a short time, the work efficiency can be improved, and the windowpane collection operation can be facilitated. Further, when the window glass is separated from the vehicle body, the worker does not directly touch the window glass, and it is not necessary to get on and off the hood of the vehicle body, so that the safety at the time of work can be improved.

According to the second aspect of the present invention, when the claw is lifted to the roof side, the window glass separated from the vehicle body can be separated so as to extend along the claw. In addition to being able to prevent falling,
The detached window glass can be easily collected from above the nail, and workability can be improved.

According to the third aspect of the present invention, by adjusting the amount of insertion of the nail, it is possible to cope with window glasses having various widths, and the applicable range of one nail can be widened.

According to the fourth aspect of the present invention, the window glass can be separated along the left and right pillars by lifting the claws to the roof side, so that the collection efficiency of the window glass can be improved. it can.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram showing a glass removing device according to a first embodiment of the present invention together with a vehicle.

FIG. 2 is an enlarged plan view of a main part showing claws and the like in FIG. 1 from above.

FIG. 3 is a process chart showing a method of removing a windshield.

FIG. 4 is an enlarged plan view of a main part showing claws, spring members and the like according to a second embodiment of the present invention.

FIG. 5 is an enlarged plan view of a main part showing a nail or the like according to a third embodiment of the present invention.

6 is an external perspective view showing a left nail and a right nail in FIG. 5 in an enlarged manner.

FIG. 7 is an enlarged plan view showing a main part of a pawl moving cylinder according to a fourth embodiment of the present invention together with pawls and the like.

[Explanation of symbols]

 3 body 3A bonnet 3B front pillar 3C roof 4 windshield (window glass) 15,21 nails 31 left nail 32 right nail

Claims (4)

[Claims] 1. A claw insertion step of advancing a claw from the outside of a vehicle body toward a window glass, and inserting a tip of the claw into the vehicle body, and lifting the claw inserted into the window glass toward a roof side A window glass removing method comprising: a lifting step; and a glass removing step of removing a window glass from a vehicle body by retracting a claw lifted to a roof side away from the vehicle body. 2. The method for removing a window glass according to claim 1, wherein in the claw lifting step, the claw is lifted to the roof side while being retracted. 3. The removal of the window glass according to claim 1, wherein the claw is formed to have a substantially trapezoidal shape in which a width dimension is wide on a base end side and gradually narrows toward a front end side. Method. 4. A pair of claws are provided apart from each other in a width direction of the window glass, and in the claw lifting step, the claw width of each of the claws is reduced along the left and right pillars and lifted to the roof side. The method for removing a window glass according to claim 1 or 2.