JPH0338059B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a window glass conveying device for conveying a window glass of a vehicle body flowing on an assembly line to a position corresponding to a predetermined position on the vehicle body.

Conventionally, to attach window glass to a car body moving on an assembly line, two workers hold a vacuum cup suspended from the ceiling, pick up a window glass located on the side of the assembly line by suction, and remove the window glass. was carried to a designated location on the vehicle body and installed inside the window frame.

However, this work required the workers to lift and carry the heavy window glass, which weighed over 8 kg, to the moving vehicle, which caused great fatigue for the workers.

The present invention solves the above-mentioned problems, and provides a window glass transport device for attaching a window glass to a vehicle body being transported on an assembly line, in which a transport rail installed along the assembly line, a transport rail installed on the transport rail, A moving device that moves in synchronization with the transportation of the vehicle body, a fluid cylinder that is movably provided on the moving device and has an operating rod that can extend and retract to upper and lower positions, and a fluid cylinder that is fixed to the fluid cylinder and located below the fluid cylinder. a wire having one end connected to the lower end of the actuating rod and the other end passing through the socket from above; a wire connected to the other end of the wire and fitted into the socket at the upper position of the actuating rod; a support that is stopped and detached from the socket in the downward position;
The moving device includes a vacuum cup that is provided on the support to face the window frame of the vehicle body being transported and that attracts and detaches the window glass, and a hand grip that is provided on the support on the back side of the vacuum cup. In synchronization with the transportation of the vehicle body, the fluid cylinder is operated to lower the actuating rod to the lower position, and the support is disengaged from the socket;
The present invention relates to a window glass conveying device characterized in that the window glass is supported by the wire so as to be movable in the horizontal direction.

After the window glass supported by the support is moved to a position near the window frame of the vehicle body and synchronized with the transportation of the vehicle body, the operator manually operates the fluid cylinder to lower the operating rod to a lower position. When the support is removed from the socket, the window glass is supported by a wire so that it can move freely in the horizontal direction, so the operator can move the window glass to the position and inclination of the vehicle window frame by operating the hand grip. You can wear it while adjusting the movement according to your needs.

Therefore, the operator only needs to fit the window glass into the window frame via the support, and
This greatly reduces worker fatigue and improves work efficiency.

Hereinafter, one embodiment of the present invention will be specifically described.

In Figures 1 to 4, the slat conveyor 1
is provided extending to the assembly line for automobile bodies 2, and transports the above-mentioned vehicle bodies 2.

The first conveying device 3 includes a first rail 4 and a first moving device 5. The first rail 4 is suspended from a ceiling (not shown) and extends in a direction perpendicular to the conveying direction of the slat conveyor 1. First moving device 5
A main body 7 moves on the first rail 4 driven by a motor 6, a support stand 9 supported by the main body 7 so as to be movable up and down by a hydraulic cylinder 8 provided on the main body 7, and a motor on the support stand 9. 10, and an arm 11 which is rotatable through 180 degrees. The arm 11 is formed in a U-shape, and has vacuum cups 12 at both left and right ends. This vacuum cup 12 is connected to a vacuum source (not shown). A rod 111 is provided on the support base 9 and prevents the support base 9 from rotating.

The turntable 13 is rotatably supported on the floor, and has a support rod 1 for placing a window glass on the top surface.
I have four plants planted.

The second transport device 15 includes a second rail 16, a second moving device 17, and a pedestal 18. The second rail 16 extends above the slat conveyor 1 along the same conveyor 1 from a position opposite to the first rail 4 toward the rear in the conveyance direction of the slat conveyor 1. The second moving device 17 has a main body 19 movably supported on the second rail 16, and a state in which the main body 19 is moved in synchronization with the conveyance speed of the slat conveyor 1, and a state in which the main body 19 is moved in synchronization with the conveyance speed of the slat conveyor 1. The above body 19
a motor 20 forming a conveyance means capable of moving the main body 19; a support 22 mounted on the main body 19 so as to be movable up and down by a hydraulic cylinder 21; and a support 22 provided on the support 22 and rotated. The shaft 25 has a guide rod 23 that prevents this from occurring, and a shaft 25 whose intermediate portion is pivotally supported by a column 24 extending downward from the support base 22. And shaft 25
is provided with a sprocket 26, and a chain 29 is wound between this sprocket 26 and a sprocket 28 of a motor 27 provided on the pillar 24. A cylinder 3 is provided at both ends of the shaft 25.
As shown in FIG. 2, a pneumatic cylinder 31 is provided at the upper end of the cylinder 30, and a wire 32 is provided at the tip of the actuating rod of the pneumatic cylinder 31. 32 extends inside the cylinder 30, and a support 33 is provided at the end of the wire 32.
is installed. As shown in FIG. 2, this support 33 has a top portion 34 having two inclined surfaces, and a vacuum cup 35 connected to a vacuum source (not shown).
and a hand grip 36. The top portion 34 is provided at the lower end of the cylinder 30 in FIG. 2 and is formed to be able to fit and lock into a socket 37 having two inclined surfaces inside. The wire 32 has an annular tip, and a pin 38 provided on the support 33 is rotatably inserted into the annular portion. Also,
A notch 39 is formed in the support 33 to facilitate tilting of the support 33 with respect to the wire 32. As shown in FIG. 1, the left and right supports 33 are connected by a flexible core wire 40. The pedestal 18 is provided at the left end of the second rail 16. Note that a balance weight 311 is provided at the upper end of the pneumatic cylinder 31 in FIG.

The third transport device 41 is configured similarly to the second transport device 15, and includes a third rail 42, a third moving device 43,
It extends from the pedestal 59. The third rail 42 extends above the slat conveyor 1 in parallel with the same conveyor 1, has one end facing the first rail 4, and has the other end located in the conveyance direction of the slat conveyor 1 (left side in FIG. 1). It is suspended from the ceiling (not shown). The third moving device 43 includes a main body 44 that moves on the third rail 42, a motor 45 that enables the main body 44 to move in synchronization with the slat conveyor 1, and a motor 45 that allows the main body 44 to move in synchronization with the slat conveyor 1.
A support stand 47 which is moved up and down by a hydraulic cylinder 46 provided on the support stand 47 and a support stand 47 provided on the support stand 47
A guide rod 48 for preventing the rotation of the slat conveyor 1, a shaft 49 whose middle part is pivoted on a pillar hanging from the support stand 47 and extends in a horizontal direction perpendicular to the conveyance direction of the slat conveyor 1; sprocket 50 of the motor 51 mounted on the pillar and the sprocket 50 of the motor 51 mounted on the pillar.
a chain 52 wound between the
3. Pneumatic cylinders 54, 54 fixed to the upper ends of the cylinders 53, 53, respectively, and the pneumatic cylinder 5
It has supports 55, 55 which are tiltably attached to the actuating rods 4, 54 via wires (not shown) that are inserted into the cylinder 53. and,
The support 55 has a top portion that is fitted into a socket 56 provided at the tip of the cylinder 53, a vacuum cup 57 connected to a vacuum source (not shown), and a hand grip 58. The pedestal 59 is provided at the front part of the third rail 42 in FIG. Further, a balance weight (not shown) is provided at the upper end of the pneumatic cylinder 54.

The vehicle body position detection devices 60, 60' are comprised of four phototubes PH1 to PH4 shown in FIG. 3 and a timer circuit 61 shown in FIG. 4. Phototube PH1~
PH4 is provided on the side of the slat conveyor 1, the first phototube PH1 is provided horizontally at the middle height of the door panel of the vehicle body 2, and the second phototube PH2 is located on the conveying direction side of the conveyor 1 from the first phototube PH1. It is also provided horizontally at a position somewhat higher than the first phototube PH1. Further, the third phototube PH3 is provided on the conveying direction side of the conveyor 1 from the second phototube PH2 and at a height that is obstructed only by the wheels 62 attached to the car body 2, and the fourth phototube PH4 is provided as the third phototube PH4.
It is provided closer to the transport direction of the slat conveyor 1 than the PH3 and at approximately the same height as the third phototube PH3. The vehicle body position detection device 60 is connected to the second rail 16
The vehicle body position detection device 60' is provided on the side of the slat conveyor 1 slightly to the right end of the middle part in FIG. There is.

The operation will be explained below according to the above structure.

First, a worker manually lifts the rear window glass 70 from a window glass storage area (not shown) and places it on the support rod 14 of the turntable 13. Here, while rotating the turntable 13, the worker applies adhesive around the top surface of the rear window glass 70 in FIG. 1 (the side surface of the vehicle interior).

After application, when the operator presses the operation switch, the arm 11 of the first moving device 5 is inserted into the space between the rear window glass 70 and the turntable 13, and when this is automatically detected, the hydraulic The support stand 9 is raised by the cylinder 8. Then, the vacuum cup 12 at the tip of the arm 11 comes into contact with the lower surface of the rear window glass 70 in FIG. . Furthermore, the hydraulic cylinder 8 is contracted to raise the rear window glass 70 to the top dead center higher than the vehicle body 2. This is automatically detected and the support stand 9
The upper motor 10 operates to rotate the arm 11 90 degrees counterclockwise. Subsequently, the motor 6 is operated to move the main body 7 to a position facing the pedestal 18 of the second conveying device 15, and then automatically stops. At this time, the rear window glass 70 is located above the pedestal 18. Then, this is automatically detected, the hydraulic cylinder 8 is extended, the supply of vacuum to the vacuum cup 12 is stopped, and the rear window glass 70 is placed on the pedestal 18.
The hydraulic cylinder 8 detecting this stops the vacuum cup 12 at a position lower than the pedestal 18, and the first moving device 5 returns to the position shown in FIG.

When the rear window glass 70 is placed on the pedestal 18, this is automatically detected and the second moving device 1
The motor 20 of No. 7 operates to stop the second moving device 17 in proximity to the pedestal 18. At this time, the cylinders 30, 30 of the second moving device 17 are located in a horizontal state, the vacuum cup 35 is directed upward, and the supports 33, 33 are positioned in the socket 3 as shown in FIG.
7 and 37 are fitted and locked. Then, the hydraulic cylinder 21 automatically contracts and the support 33,
The vacuum cups 35, 35 of 33 are brought into contact with the lower surface of the rear window glass 70, and the hydraulic cylinder 21 is further contracted to close the rear window glass 70.
Push up from the pedestal 18. At this time, vacuum is supplied to both vacuum cups 35 from a vacuum source, and the rear window glass 70 is suction-locked to the vacuum cups 35. Subsequently, the motor 20 is automatically activated to move the second moving device 17 to the left in FIG. 21 extends and lowers the support stand 22, positioning the rear window glass 70 below the support stand 18. Then, the limit switch detects this and operates the motor 20 to position the second moving device 17 at the right end of the second rail 16. Note that at this time, the rear window glass 70 is supported horizontally by the support 33 by the balance weight 311.

Next, the vehicle body 2 is conveyed by the slat conveyor 1, and the first photocell PH1 of the vehicle body position detection device 60
while passing in front of the first photocell in Fig. 4.
PH1 is closed. When the phototube PH1 is closed for a certain period of time because the light beam is blocked by the passage of the vehicle body 2, the timer TR1 is activated and the switch tr1 is closed. Furthermore, when the vehicle body 2 passes in front of the second phototube PH2, the second phototube PH2 closes, and if the light beam is blocked by the passage of the vehicle body 2 for a certain period of time and remains closed, the timer TR2 is activated and the switch tr2 is activated. Close. Further, when the wheel 62 passes the front surface of the third photocell PH3, the third photocell PH3 is closed, and the wheel 62 remains in the third photocell PH3 for a certain period of time.
When the switch is closed, timer TR3 is activated and the switch is
tr3 is closed. Here, timer TR1, TR
2. The time for TR3 to operate and close switches tr1 to tr3 is set to the first to third switches so that the time for closing switches tr1 to tr3 is the same when the car body 2 is at the normal conveyance speed of the slat conveyor 1.
Positions of phototubes PH1 to PH3 and timers TR1 to TR
3 and the time required to close the switches tr1 to tr3 are selected as appropriate. And tr1~tr
3 are closed at the same time, relay CR1 is activated to close switch CR1, and at the same time, in response to the signal that slat conveyor 1 is in operation, the switch is activated.
CRX closes, relay CR2 operates, and switch Cr2
Close. The latch timer RT is the switch CR above.
1. It is activated by closing CR2, and closes the switch RT after a certain period of time. At this time, the wheel 6
2 blocks the fourth phototube PH4 and closes it, thereby activating the relay CR3.

Due to the operation of this relay CR3, the second moving device 1
7 rotates the shaft 25 to position the cylinders 30, 30 vertically as shown in FIG. 1, and then extends the hydraulic cylinder 21 to lower the support platform 22.

Then, the rear window glass 70 supported by the vacuum cup 35 of the support base 22 is located near the rear of the rear window 71 of the vehicle body 2, and at the same time, the motor 20 is activated to move the rear window glass 70
are conveyed in synchronization with the slat conveyor 1. Next, the worker grasps the hand grip 36 and holds the cylinder 3.
The pneumatic cylinders 31, 31 attached to the cylinders 0, 30 are actuated to lower the actuating rod, and the support 33 connected to this actuating rod via a wire 32 is lowered and lowered by the pneumatic cylinders 31, 31. While held in position, the top 34 is removed from the socket 37. Here, the worker installs the rear window glass 70.
at the specified position of the rear window 71, that is, around the rear window glass 70.
Press it against the window frame of 1. Then, the rear window glass 70 is fixed to the vehicle body 2 by the action of the adhesive applied around the rear window glass 70. Here, when the worker cuts off the supply of vacuum to the vacuum cup 35, the vacuum cup 35 separates from the rear window glass 70. Then, this is automatically detected and the pneumatic cylinder 31 is actuated to raise it, the top part 34 of the support 33 is fitted and locked in the socket 37, and then the hydraulic cylinder 21 is contracted and the support base 22 is moved up. is raised, and then the motor 27 is operated to raise the cylinders 30, 30.
is placed in a horizontal state, the operation of the motor 20 is stopped, and the second moving device 17 returns to its initial position.

At the same time, the one cycle completion switch S shown in FIG. 4 closes, resetting the latch timer RT. Now, the front window glass 80 is installed on the turntable 1 by a worker from a storage area (not shown).
It is carried onto the support rod 14 of No. 3, and the turntable 13
Apply adhesive around the interior side of the front window glass 80 using a gun while rotating the .

When this work is completed, the worker moves to the first moving device 5.
, the hydraulic cylinder 8 is extended to lower the arm 11, and the motor 6 is then driven to move the main body 7 diagonally downward to the left in FIG.
is inserted between the turntable 13 and the front window glass 80, and then the hydraulic cylinder 8 is contracted to bring the vacuum cup 12 of the arm 11 into contact with the front window glass 80. The vacuum cup 12 is attracted, and the hydraulic cylinder When 8 shrinks, the front window glass 80
is lifted from the turntable 13 by the arm 11 and reaches above the vehicle body 2. When the hydraulic cylinder 8 stops at top dead center, the motor 10
As a result, the arm 11 rotates 90 degrees clockwise in Figure 1.
Subsequently, the motor 6 automatically rotates, and the main body 7 moves on the first rail 4 to the right end in FIG. 1, and then stops. At this time, the front window glass 80 is located above the pedestal 59. When the above-mentioned stop is automatically detected, the hydraulic cylinder 8 extends and places the front window glass 80 on the pedestal 59, and at the same time disconnects the vacuum cup 12 from the vacuum source, so that the front window glass 8
0 is detached from the vacuum cup 12 and placed on the pedestal 59.
When the arm 11 reaches below the pedestal 59, the first moving device 5 automatically returns to the position shown in FIG.

The front window glass 8 is placed on the pedestal 59.
When it is automatically detected that 0 is placed, the motor 45 of the third moving device 41 rotates and moves the main body 44 to the right in FIG.
The vacuum cup 57 provided at the support base 59 is positioned below the pedestal 59, and then the hydraulic cylinder 46 automatically contracts to raise the support base 47. As a result, the vacuum cup 57 comes into contact with the front window glass 80, and since the vacuum cup 57 is connected to a vacuum source, the front window glass 80 is attracted to the vacuum cup 57. Then, as the hydraulic cylinder 46 further contracts, the front window glass 80 is pushed up from the pedestal 59, and when the hydraulic cylinder 46 reaches the top dead center and stops, the motor 45 rotates and moves the main body 44 toward the right in FIG. to move the front window glass 80 from the pedestal 59 to the right in FIG. Next, the hydraulic cylinder 46 is automatically
extends and lowers the front window glass 80 from the pedestal 59 and stops, rotates the motor 45 and moves the main body 44 (front window glass 80) slightly to the left in Figure 1 (to the position shown in Figure 1). and stop. At this time, the pneumatic cylinder 54
The cylinder 53 is held horizontally by a balance weight provided on the head of the cylinder 53.

Next, the vehicle body 2 with the rear window glass 70 pasted thereon is conveyed by the slat conveyor 1, and when it passes in front of the first phototube 1 of the vehicle body position detection device 60', the first phototube PH1 is When the closed state exceeds a certain period of time, the timer TR1 turns ON and closes the switch tr1. Furthermore, the car body 2 is transported and the second photocell
When passing in front of PH1, the second phototube PH2 is closed during the same passage, and after a certain period of time has elapsed after the second phototube PH2 is started, the timer TR2 closes the switch tr2. Next, the wheels 62 of the vehicle body 2 are connected to the third photocell.
When the front of PH3 is blocked and the blocking time reaches a predetermined value, timer TR3 switches to switch tr3.
This causes switches tr1 to tr3 to close at the same time, so relay CR1 operates to close switch Cr1. In addition, slat conveyor 31
When is operating, switch CRX is closed, activating relay CR2 and closing switch CR2.
When the switches CR1 and CR2 are closed and a certain period of time has elapsed, the latch timer RT closes the switches RT. At this time, the wheels 62 of the vehicle body 2 are connected to the fourth photocell PH.
4, the fourth photocell PH4 closes and activates the relay CR3.

Then, due to the operation of this relay CR3, the motor 51 of the third actuating device 41 rotates, and the cylinders 53, 5
3 is positioned vertically, and the hydraulic cylinder 46 is further extended to lower the support base 47, so that the front window glass 80 attached to the lower end of the cylinder 53 faces near the front surface of the front window 81 of the vehicle body 2. At the same time, the motor 45 is rotated to move the main body 44 in synchronization with the slat conveyor 1. As a result, the front window glass 80
moves while remaining near the front of the front window 81.

Next, when the operator grasps the handgrip 58 and extends the pneumatic cylinder 54, the support 55 separates from the socket 56, hangs down, and is supported by the pneumatic cylinder 54 in the lowered position. Here, the worker presses the front window glass 80 against the frame of the front window 81 using the hand grip 58 to attach the front window glass 80 to the front window 81, and then attaches the front window glass 80 to the front window 81.
The supply of vacuum is cut off, the support 55 is separated from the windshield 80, and the pneumatic cylinder 54 is automatically actuated to raise the support 55 into engagement with the socket 56. Next, the hydraulic cylinder 46 is contracted to raise the support base 47, the motor 51 is rotated to level the cylinder 53, and the motor 45 is activated to move the third moving device 43 to the initial position shown in FIG. Bring it back.

The work of attaching the rear window glass 70 and the front window glass 80 to the vehicle body 2 is repeated in sequence, and both glasses 70 and 80 are attached to the vehicle body 2 that is being transported one after another.

Therefore, when attaching the front and rear window glasses 80, 70 to the vehicle body, the worker must move in synchronization with the vehicle body and also move the window glasses 80, 70.
Both glasses 70, 8 located just in front of 1, 81
0 to the frames of the windows 71, 81, and the glasses 70, 80 and the support 3
Since the loads of 3 and 55 are supported by the pneumatic cylinders 31 and 54, the work is simple and the fatigue of the workers is extremely reduced, which is preferable in terms of occupational health. Also, both window glasses 70, 80
while being conveyed by arm 11 and the first
While being held on the third moving device 17, 43, the window glasses 70, 8 are supported from below by the vacuum cups 12, 35, 57.
There is no risk that 0 will fall.

Further, the supports 33, 55 are suspended from the pneumatic cylinders 31, 54 by wires, and the tips of the wires are rotatably wound around the pins of the supports 33, 55, and are cut into the supports 33, 55. Since there is a notch, the window glass 7
0 and 80 on the windows 71 and 81, the supports 33 and 55 can be easily moved forward and tilted.

[Brief explanation of drawings]

FIG. 1 is a schematic diagram showing one embodiment of the present invention, and FIG.
The figure is an enlarged view of the main part of the second moving device 17 of the above-mentioned embodiment, and FIG. 3 is the vehicle body position detection device 6 of the above-mentioned embodiment.
0, FIG. 4 is a front view of the vehicle body position detection device 60.
FIG. 1: Slat conveyor, 2: Vehicle body, 3: First conveyance device, 15: Second conveyance device, 21: Hydraulic cylinder, 31: Pneumatic cylinder, 33: Support, 41:
Third conveyance device, 46: hydraulic cylinder, 54: pneumatic cylinder, 55: support, 70: rear window glass, 80: front window glass.

Claims (1)

[Claims] 1. In a window glass transport device for attaching window glass to a vehicle body being transported through an assembly line, a transport rail constructed along the assembly line, and a transport rail that moves on the transport rail in synchronization with the transport of the vehicle body. a fluid cylinder having an actuation rod movably disposed on the movement device and extendable to an upper position and a lower position; a socket fixed to the fluid cylinder and located below the fluid cylinder; a wire connected to the lower end and having the other end passing through the socket from above; a wire connected to the other end of the wire and fitted and locked in the socket at the upper position of the actuating rod; and from the socket at the lower position; A support to be removed, a vacuum cup provided on the support to face the window frame of the vehicle body to be transported, which attracts and removes the window glass, and a hand grip provided on the support on the back side of the vacuum cup. The moving device synchronizes with the transport of the vehicle body and operates the fluid cylinder to lower the actuating rod to the lower position, and when the support is disengaged from the socket, the window glass is removed. A window glass conveying device characterized in that it is configured to be movable in a horizontal direction by being supported by the wire.