JPH0413192B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a window glass conveying and positioning device that assists a worker in assembling a window glass to a vehicle body in a window glass assembling process on a vehicle production line.

A vehicle production line includes a process for assembling a front windshield glass and a rear windshield glass to a vehicle body, and conventionally, such windshield assembling was performed by two workers working together. That is, one worker holds the window glass and positions and presses it against the window of the vehicle body from outside the vehicle body, and the other worker works from inside the vehicle interior and assembles this window glass to the vehicle body. That's what I do.

However, in this conventional method, two workers are required to assemble one part, so improvements are desired from the perspective of increasing productivity, and it is possible to reduce the number of workers. There was a desire for a method to carry out work more rationally.

The present invention was made in view of the above-mentioned conventional circumstances, and it automates tasks that can be performed without relying on human hands.
It is an object of the present invention to provide a window glass conveying and positioning device that allows a single worker to assemble a window glass.

A vehicle window glass conveying and positioning device according to a first aspect of the present invention that achieves the above object has a configuration that is arranged above a moving vehicle body placed on a conveyor and above a pallet that is installed on the side of the conveyor and stores window glasses. a transverse rail constructed between the transverse rails, a transverse rail supported by the transverse rails and capable of driving and traveling along the transverse rails, and a transverse rail supported by the transverse rails that moves along the conveyor in synchronization with the movement of the vehicle body. a truck that can be driven along the truck; and a suction unit that is supported by the truck via a flexible rope so as to be movable up and down, and that detachably holds the window glass and transports it from the pallet to above the vehicle body. , the window glass, which is movably provided by a cylinder device on an arm supported by the truck and rotationally driven, and which is manually positioned on the window portion of the vehicle body, can be pressed and attached to the window portion. The configuration of the vehicle window glass conveying and positioning device according to the second invention is characterized in that the vehicle window glass conveying and positioning device according to the second invention is provided with a traversing rail constructed between the upper part of the pallet containing the traversing rail, a traversing rail that is supported by the traversing rail and can be driven along the traversing rail, and a traversing rail that is supported by the traveling rail and allows the vehicle body to move. a truck capable of driving and traveling along the conveyor in synchronization; A suction unit is provided on an arm supported by the trolley and rotationally driven to be movable by a cylinder device and whose angle can be adjusted in accordance with the inclination of the window portion of the vehicle body. The present invention is characterized by comprising a pressing unit capable of pressing a manually positioned window glass to attach it to the window part.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of a vehicle window glass transport and positioning device according to the first invention of the present application will be described below with reference to the drawings.

As shown in FIG. 1, which shows the overall structure of the apparatus of this embodiment, a cab 2 of a truck placed on a slat conveyor 1 is moved to the right in the figure by this slat conveyor 1. A pallet (not shown) containing a windshield glass G is installed on the side of the slat conveyor 1, and between the upper part of this pallet and the upper part of the slat conveyor 1 there is a pallet (not shown) in which the cab 2 is moved in the direction of movement. A pair of transverse rails 3a and 3b are installed in parallel to each other. A pair of running rails 4a, 4b parallel to the slat conveyor 1 are supported on these transverse rails 3a, 3b via a number of rollers 5, and a driving roller 5a of these rollers 5 is attached to the running rail. When driven and rotated by a motor 6, the traveling rails 4a, 4b can reciprocate between the upper part of the cab 2 and the upper part of the pallet along the transverse rails 3a, 3b.

A truck 8 is supported on the traveling rails 4a, 4b via a large number of rollers 7, and this truck 8 can be moved along the traveling rails by operating a motor 9. That is, as shown in FIG. 3, which schematically shows the right side of the device shown in FIG. A rotating shaft 1 is pivotally supported on a cart 8 via a
2, and pinions 13 provided at both ends of this rotating shaft 12 mesh with racks 14 provided on the lower surfaces of the traveling rails 4a and 4b, respectively, and by the operation of the motor 9, the bogie 8 is moved onto the traversing rail 3.
It is designed to be able to travel back and forth between a and 3b.

As shown in FIG. 2, which shows a cross section taken along the - arrow in FIG.
5b is attached parallel to the traveling rails 4a, 4b, and a forward/reverse moving frame 16 is slidably supported on these guide rails 15a, 15b. It is connected to device 17 via a bracket 18. Therefore,
By operating the cylinder device 17, the forward and backward movement frame 16 can reciprocate in parallel with the slat conveyor 1 relative to the truck 8.

A cylinder device 19 is erected and fixed downward on the forward/reverse movement frame 16, and an elevating frame 20 is attached to a piston rod 19a of this cylinder device 19, and the elevating frame 20 can be moved up and down by the operation of the cylinder device 19. It's becoming like that. The forward/backward movement frame 16 slidably supports a pair of guide rods 21 parallel to the cylinder device 19, and the lower ends of these guide rods 21 are connected to the lifting frame 20 to guide the vertical movement of the lifting frame 20. I'm starting to do that.

A pair of balance cylinders 22 are provided in the lifting frame 20.
A and 22b are erected downward, and a suction unit 24 is connected to these balance cylinders 22a and 22b via a flexible wire 23. In this embodiment, the suction unit 24 is equipped with four suction cups 26, and these suction cups 26 are connected to a negative pressure source (not shown) and are attached to the front windshield G.
It is designed so that it can be attached and detached by adsorption. A pyramid-shaped engagement part 25 is provided at the top of the suction unit 24, and when the suction unit 24 is pulled up by the balance cylinders 22a, 22b and abuts against the lower surface of the lifting frame 20, the lifting frame 20
The engaging portion 25 is fitted into the tapered hole 20a formed on the lower surface of the
are fitted to fix the suction unit 24 to the elevating frame 20. Also balance cylinder 2
The acting forces of 2a and 22b pull up the suction unit 24 when the suction unit 24 is not holding the front windshield G, but when the suction unit 24 is holding the front windshield G, the weight of the suction unit 24 pulls up the wire 23. The front windshield G is fed out a predetermined length and balanced at a predetermined height, and the front windshield G is suspended by the wire 23, allowing the operator to adjust the position of the front windshield G up and down, front and back, left and right. These balance cylinders 22a, 22b wires 23 allow manual movement of the suction unit 24 so that the front window glass G can be positioned on the window portion 2a of the cab 2. In addition to this embodiment, a well-known embodiment that allows free manual movement of the suction unit 24 up and down, back and forth, and left and right may be used. In addition, the above-mentioned motors 6 and 9, cylinder device 1
Reference numerals 7 and 19 drive the suction unit 24 in the moving direction and the vertical direction of the cab 2 to transport the window glass G from the pallet above the cab 2. It can be modified and used, or other well-known embodiments can be used. These motors 6, 9 and cylinder devices 17, 19 are centrally controlled by a control switch (not shown) installed near the pallet and a control switch (not shown) brought into the cab 2 by the operator. It's becoming like that. In addition, suction of the suction cup 26 of the suction unit 24,
The opening is also controlled by the two control switches mentioned above.

A pair of arms 27 are pivotally attached to the truck 8, and the arms 27 are connected to a cylinder device 28 swingably attached to the truck 8 so as to be rotationally driven. A pressing unit 29 having a plurality of pressing pads 29a is attached to the tip of the arm 27, and as shown by the imaginary line in FIG. 1, this pressing unit 29 closes the window when the arm 27 rotates downward. The front window glass G, which is positioned and abutted against the portion 2a, can be pressed and held against the window portion 2a by the pressing pad 29a. Furthermore, arm 2
A cylinder device 30 is provided at the tip of the cylinder 7, and a pressing unit 29 is installed so that the front windshield G can be properly pressed by the pressing pad 29a.
can be moved in the longitudinal direction of the arm 27. The cylinder devices 28 and 30 described above are also centrally controlled by the two control switches (not shown) described above.

The work of assembling a front window glass using the apparatus having the above configuration will be explained.

First, before the cab 2 is transported to the working position, the operator operates a control switch near the pallet to move the traveling rails 4a, 4b to position the cart 8 above the pallet, and then move the cylinder device 17. , 19 move the suction unit 24 back and forth up and down to suction and hold the front windshield G in the pallet, and the front windshield G is moved to the slats by moving the running rails 4a, 4b and the trolley 8 again. It is positioned above the conveyor 1. This front window glass
When taking out the pallet from the pallet, the engaging part 25 fits into the tapered hole 20a and the suction unit 24 is fixed to the lifting frame 20, so that the suction cup 26 automatically holds the suction unit 24 without the need for operator's help. Ru.

Next, when the cab 2 is conveyed by the slat conveyor 1, the position of the cab 2 is detected by a limit switch or the like, and the front window glass G held by the suction unit 24 is positioned almost directly above the window portion 2a. The trolley 8 moves along the traveling rails 4a and 4b to maintain the cab 2.
Move in sync with. In this state, the worker holds the control switch and gets into the cab 2. From inside the cab 2, the worker holds the front windshield G with a suction cup tool, etc., and presses the balance cylinder 2.
2a and 22b, and the wire 2
3 to position and abut the front window glass G against the window portion 2a. Thereafter, the arm 27 is rotated and the pressing unit 29 presses and holds the front windshield G against the window part 2a, and in this state, the operator pulls the string to assemble the front windshield G to the window part 2a. . When the assembly work is completed in this way, the suction unit 24 is raised and returned to its original position, and the arm 27
to raise and return the pressing unit 29,
Prepare for work on the new cabin.

FIG. 4 shows a main part of an embodiment of a vehicle window glass transport and positioning device according to the second invention of the present application, and since the other parts are the same as the embodiment described above, illustration thereof is omitted, and FIG. Also in the description, the same reference numerals are given to the same members as in the previous embodiment, and detailed description thereof will be omitted.

As shown in the figure, an arc-shaped guide rail 40 is attached to the tip of the arm 27, and a slider 4 that moves along the guide rail 40 by the operation of the cylinder device 30 is attached to the guide rail 40.
1 is installed. A cylinder device 42 controlled by the two control switches (not shown) described in the previous embodiment is attached to this slider 41, and a pressing unit 29 is attached to this cylinder device 42. When activated, the pressing pad 29a presses the front window glass G against the window portion 2a. Therefore, in this embodiment, when the inclination of the window portion 2a, that is, the pressing angle of the front window glass G differs depending on the vehicle type, the cylinder device 3
0 can change the angle of the pressing unit 29 to accommodate changes in vehicle types. In addition, the cylinder device 42 is designed to prevent the window glass G from being improperly pressed due to a discrepancy between the rotating direction of the arm and the direction in which the window glass G is pressed when the angle of the pressing unit 29 is changed. 29 is pushed in parallel, and this cylinder device 42 is small so that it can perform more delicate operation control than the cylinder device 28.
Thereby, it is possible to easily set the pressing state of the window glass against the window part during assembly work.

Incidentally, the angle adjustment of the pressing unit 29 described above may be performed in other known manners other than the method using the guide rail 40, and in short, any adjustment that allows the pressing unit 29 to swing may be used.

As explained above, according to the first invention, it is possible to assist the worker in easily performing the positioning work of the window glass, which requires delicate attention, and also assist the worker by automatically transporting and holding the window glass. As a result, a series of operations can be performed by one operator, and productivity can be improved. Furthermore, in addition to the above-mentioned effects, the second invention allows the angle of the pressing unit to be adjusted as appropriate, so that changes in vehicle models can be quickly dealt with, and the device can be made versatile.

[Brief explanation of drawings]

FIG. 1 is a front view showing a window glass conveying and positioning device according to an embodiment of the first invention, FIG. 2 is an enlarged sectional view taken along the - arrow in FIG. 1, and FIG. 3 is a right side view of the device shown in FIG. 1. FIG. 4 is an enlarged view showing the schematic surface structure, and FIG. 4 is a front view showing the main parts of the window glass conveying and positioning device of an embodiment according to the second invention. In the drawing, 1 is a slat conveyor, 2 is a cab,
2a is the window part, 3a and 3b are the transverse rails, 4
a, 4b are traveling rails, 6, 9 are motors, 8 is a trolley, 17, 19 are cylinder devices, 22a, 22b
is a balance cylinder, 23 is a wire, 24 is a suction unit, 27 is an arm, 29 is a pressing unit,
30 is a cylinder device, 40 is a guide rail, 42
is a cylinder device, and G is a window glass.

Claims (1)

[Scope of Claims] 1. A transverse rail installed between the upper side of a vehicle body placed on a conveyor and the upper part of a pallet that is installed on the side of the conveyor and stores window glasses, and the transverse rail. a traveling rail that is supported by the traveling rail and can be driven to travel along the transverse rail; a truck that is supported by the traveling rail and can be driven to travel along the conveyor in synchronization with the movement of the vehicle body; a suction unit that is supported to be movable up and down via a cable and that detachably holds the window glass and transports it from the pallet to the upper part of the vehicle body; A vehicle window comprising: a pressing unit which is movably provided by a device and which can press a manually positioned window glass on the window portion of the vehicle body to attach the window glass to the window portion. Glass conveyance positioning device. 2. A transverse rail installed between the upper side of the vehicle body moving on the conveyor and the upper part of the pallet installed on the side of the conveyor to store the window glass, and the transverse rail supported by the transverse rail a traveling rail capable of driving and traveling along the rail; a truck supported by the traveling rail and capable of driving and traveling along the conveyor in synchronization with the movement of the vehicle body; a suction unit which is supported to be movable up and down and which detachably holds the window glass and transports it from the pallet to the upper part of the vehicle body; and an arm which is supported by the truck and is rotatably driven and is movable by a cylinder device. and a pressing unit that is provided so as to be adjustable in angle in accordance with the inclination of the window portion of the vehicle body, and further capable of pressing a manually positioned window glass to attach it to the window portion. A vehicle window glass transport and positioning device characterized by: