JP3981002B2 - Side panel transfer device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a side panel conveyance stationary device that conveys a side panel of an automobile to a payout position and places the vehicle in a predetermined posture.
[0002]
[Prior art]
Conventionally, as a side panel transfer device, for example, a rail extending along a transfer path and a hanger that hangs the side panel and travels along the rail are provided, and the side panel is attached to the front side of the center pillar. First suspension means for suspending at the upper edge of the door opening, second suspension means for suspending at the upper edge of the opening on the rear side of the center pillar, and gripping means for gripping the center pillar from the front-rear direction are provided. Are known (for example, see Patent Document 1).
[0003]
[Patent Document 1]
Japanese Patent No. 2690830 [0004]
[Problems to be solved by the invention]
However, when the side panel is transported to the payout position by this conventional transport device, the lateral posture of the suspended side panel varies due to the tolerance of the shape of each side panel, and the lower end position of the panel is It is not fixed. Therefore, a detecting means for detecting the position of the lower end of the panel is required when the vicinity of the lower end of the side panel is clamped and discharged by a clamping device or the like in the next process.
[0005]
In addition, there is a problem that the side panel shakes with the suspension position as a fulcrum, and the side panel cannot be paid out until the shaking converges. Furthermore, if the side panel is continuously shaken, the upper edge of each door opening suspended by the first and second suspension means may be deformed.
[0006]
Accordingly, in view of the above problems, the present invention fixes the lateral orientation of the side panel at the delivery position of the conveyance path to prevent the side panel from shaking, facilitates delivery to the next process, It is an object of the present invention to provide a side panel conveyance stationary device that can prevent deformation of a panel.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention is a side panel transporting / fixing device that transports a side panel of an automobile to a payout position and places it in a predetermined posture, and includes rails that extend along a transport path, and a side panel A hanger that travels along the rail and holds the side panel from the inside or outside so that the horizontal position of the side panel suspended by the hanger is a predetermined posture below the payout position. The hanger has a first suspension means for suspending the side panel on the upper edge of the door opening on the front side of the center pillar, and a second hanger for suspending the side panel on the upper edge of the opening on the rear side of the center pillar. a hanging means has a gripping means for gripping a center pillar front and rear direction, the first lifting means includes a rotatable roller, the center pillar front door opened by the roller The second suspension means has a roller that is rotatable and can move forward and backward in the diagonally downward direction of the side panel, and the upper edge of the rear opening of the center pillar is formed by the roller. It is a means to support, It is characterized by the above-mentioned.
[0008]
According to this, the side panel is positioned in the vertical direction relative to the hanger by the first and second suspension means, and is positioned in the front-rear direction relative to the hanger by the gripping means. The Then, in a state where the hanger is run and stopped at the payout position, the side panel is pressed and held by the pressing and holding means from the inside or the outside, and the right and left posture of the side panel is fixed to a predetermined posture. Therefore, in the payout position, the side panel vertical direction and front / rear direction are positioned and the right / left posture is fixed, so that the side panel can be prevented from shaking, and the side panel can be easily discharged. Deformation can be prevented . Also, the second suspension means can support the upper edge of the opening of the rear window of the side panel of a two-door type automobile and the upper edge of the opening of the rear seat door of the side panel of a four-door sedan type automobile. It becomes.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Referring to FIG. 1, reference numeral 1 denotes a side panel transporting / fixing device that transports side panels 2a, 2b, and 2c of an automobile from a placement position 3 to a payout position 4 and places them in a predetermined posture. The side panel 2a is a two-door type vehicle (see FIG. 2), the side panel 2b is a four-door sedan type vehicle (see FIG. 3), and the side panel 2c is an RV type vehicle. (See FIG. 4).
[0011]
The side panel transfer stationary device 1 includes a pair of vertical struts 5 a erected from the floor surface F at the placement position 3 and the payout position 4, a horizontal strut 5 b passed to the upper end thereof, and a horizontal position of the placement position 3. Two rails 6 extending through a bracket 5 c are provided between the column 5 b and the horizontal column 5 b at the payout position 4, and a hanger 7 that travels along the rail 6 is provided. The bracket 5c is provided with a damper 5d that softens the impact when the hanger 7 reaches the placement position 3 or the dispensing position 4.
[0012]
The hanger 7 has a pair of rollers 7a and 7a that are in contact with the upper surface and the lower surface of the rail 6 so as to sandwich the rail 6 at the front and rear ends in the conveying direction, and travels along the rail 6 through the rollers 7a. It has a portion 7b and a hanger body 7d provided below the traveling portion 7b via a connecting portion 7c.
[0013]
The traveling portion 7 b is connected to a rodless cylinder 8 provided between the two rails 6, and can travel between the placement position 3 and the dispensing position 4 by the action of the rodless cylinder 8. ing.
[0014]
The hanger body 7 d is formed in a prismatic shape with a square cross section that extends horizontally and perpendicular to the rail 6. The hanger body 7d, one end (hereinafter, this hanger that body 7d front) in this order from 7d _1, the side panels 2a, 2b, 2c of the center pillar 2 ₁ front door opening upper edge 2 ₂ suspended a first lifting mechanism 9, the side panels 2a, 2b, a gripping mechanism 10 for gripping the center pillar 2 ₁ 2c from the front and rear directions, the side panels 2a, 2b of the center pillar 2 on opening of the _first rear-side edge 2 ₃ and the second suspending mechanism 11 suspended Jisuru and a third hanging mechanism 12 is provided with Jisuru hanging the rear window on the opening edge 2 ₄ of the side panel 2c. The opening of the rear side of the center pillar 2 ₁ Jisuru hanging second suspending mechanism, 2 becomes the opening of the rear window in the case of door type of motor vehicle side panels 2a, 4 door sedan type of vehicle side In the case of the panel 2b, it becomes an opening of a rear seat door.
[0015]
The first suspension mechanism 9 includes a bracket 9a and a drum roller 9b that is rotatably supported by the bracket 9a. Then, at the minimum diameter portion of the drum-shaped roller 9b, supporting the center pillar 2 on ₁ front door opening edge 2 _2.
[0016]
Gripping mechanism 10 includes a bracket 10a, a fixed guide 10b which is fixed to the bracket 10a, it is fixed to the piston rod 10c ₁ of the cylinder 10c, which is likewise fixed to the bracket 10a, the hanger body 7d than the fixed guide 10b and a movable pin 10d movable in a proximal direction and separating direction with respect to the fixed guide 10b by the retractable piston rod 10c ₁ while positioned on the front side 7d _1. Then, the positions the center pillar 2 ₁ between the movable pin 10d in a state of being spaced apart movable pin 10d relative to the fixed guide 10b and the fixed guide 10b, thereby subsequently close the movable pin 10d on the fixed guide 10b Accordingly, the fixed guide 10b is brought into contact with the rear side of the center pillar 2 ₁ grasps the center pillar 2 ₁ with contacting the movable pin 10d on the front side of the center pillar 2 _1.
[0017]
Second hanging mechanism 11, and the bracket 11a, it is fixed to the bracket 11a, a piston rod 11b ₁ side panel 2a, and 2b front diagonally downward to retractably cylinder 11b (roller displacement means), the piston rod 11b ₁ and a drum-shaped roller 11c rotatably supported on the shaft. Then, at the minimum diameter portion of the drum-shaped roller 11c, the side panels 2a, 2b of the center pillar 2 on opening of the _first rear-side edge 2 ₃ of support. Specifically, when Jisuru hanging two vehicle side panel 2a of the door type, the piston rod 11b ₁ is controlled to the projecting state, an opening on the edge 2 ₃ of the rear window is supported by the drum-shaped roller 11c The Further, when Jisuru hanging a four-door sedan type of vehicle side panels 2b, the piston rod 11b ₁ is controlled immersive state, opening upper edge 2 ₃ of door rear seat is supported by the drum-shaped roller 11c .
[0018]
The third suspension mechanism 12 includes a bracket 12a and a drum roller 12b that is rotatably supported by the bracket 12a. Then, at the minimum diameter portion of the drum-shaped roller 12b, for supporting the opening upper edge 2 ₄ of the rear window of the side panel 2c. The third suspension mechanism 12 is provided at a position that does not interfere with the side panel 2a of the two-door type automobile and the side panel 2b of the four-door sedan type automobile.
[0019]
On the floor surface F below the payout position 4, the left and right sides of the side panels 2a, 2b, and 2c held by the hanger 7 and conveyed to the payout position 4 (left and right direction in FIG. 1, with respect to the paper surface in FIG. A pressing and holding mechanism 13 is provided that presses and holds the lower center portions of the side panels 2a, 2b, and 2c from the outside so that the posture in the vertical direction is a predetermined posture.
[0020]
The press holding mechanism 13 is a base 13a installed on the floor surface F, a swing shaft 13b pivotally supported by the base 13a, and fixed to the swing shaft 13b to press the lower part of the side panel from the outside. It has a pressing member 13c and a cylinder 13d supported so as to be swingable with respect to the base 13a. A connecting portion 13c ₁ protruding in the direction of the cylinder 13d is provided below the pressing member 13c, and the piston rod 13d ₁ of the cylinder 13d is connected to the connecting portion 13c ₁ . When the piston rod 13b ₁ is controlled to be in the protruding state, the pressing member 13c is tilted, and when the piston rod 13b ₁ is controlled to be in the immersive state, the pressing member 13c is in the standing state. The standing pressing member 13c presses the side panels 2a, 2b, 2c suspended from the hanger 7 from the outside, and holds the side panel 2 in a predetermined posture in the left-right direction.
[0021]
Next, the operation of the side panel conveyance stationary device 1 will be described.
[0022]
Here, a case will be described in which the side panel 2a of a press-molded two-door type automobile is transported from the placement position 3 to the payout position 4 and is placed in a predetermined posture and held by a welding robot in the next welding process.
[0023]
First, the worker M suspends the side panel 2a press-molded in the previous process on the hanger 7 located at the placement position 3. Specifically, the upper edge 2 ₂ of the door opening on the front side of the center pillar 2 ₁ is supported by the drum-shaped roller 9b of the first suspension mechanism 9 and the upper edge 2 of the rear window opening for the rear side of the center pillar 2 _{1. 3} drum-shaped roller 11c of the second lifting mechanism 11 (the piston rod 11b ₁ is projected state) it is supported by. At this time, the piston rod 10c ₁ of the cylinder 10c of the gripping mechanism 10 is controlled to the projecting state, the movable pin 10d has a state of being separated from the fixed guide 10b. Then, the center pillar 2 ₁ is positioned between the fixed guide 10b the movable pin 10d. By this suspension, the side panel 2a is positioned relative to the hanger 7 in the vertical direction.
[0024]
Subsequently, the operator M is retracted, by controlling the piston rod 10c ₁ of the cylinder 10c of the gripping mechanism 10 to the retracted state, gradually brought close the movable pin 10d on the fixed guide 10b, and the movable pin 10d center pillar the fixed guide 10b with contacting to 2 ₁ of the front side is brought into contact with the rear side of the center pillar 2 ₁ grasps the center pillar 2 _1. By this gripping, the side panel 2 a is positioned in the front-rear direction of the hanger body 7 d relative to the hanger 7.
[0025]
Next, the rodless cylinder 8 is controlled so that the hanger 7 travels from the placement position 3 toward the payout position 4 and stops at the end of the rodless cylinder 8 in the payout position 4 direction. As a result, the side panel 2a is positioned in the vertical direction relative to the payout position 4, and is positioned in the front-rear direction of the hanger body 7d (horizontal and perpendicular to the transport path direction). At this time, the piston rod 13d ₁ of the cylinder 13d of the pressing and holding mechanism 13 is controlled to the projecting state, the pressing member 13c has a tilted state so as not to disturb the transfer of the side panel 2a.
[0026]
Then, by controlling the piston rod 13d ₁ of the cylinder 13d of the pushing retaining mechanism 13 to the retracted state, the pressing member 13c in the standing state. Thereby, the side panel 2a suspended by the hanger 7 is pressed from the outside, and the posture in the left-right direction is held in a predetermined posture.
[0027]
The side panel 2a placed in this manner is gripped by a welding robot (not shown) in the next welding process, and is paid out from the side panel conveyance stationary device 1.
[0028]
Incidentally, 4 when transporting the door sedan type motor vehicle side panels 2b are, in the case of suspended side panels 2b hanger 7, the center pillar 2 ₁ front on the door opening edge 2 ₂ Kojo roller 9b causes supported, the center pillar 2 on the rear seat door opening of the _first rear-side edge 2 _3, is supported on the drum-shaped roller 11c a piston rod 11b ₁ in a state of being retracted. Then, 2 performs grasping the center pillar 2 ₁ in the same procedure as automotive side panel 2a of the door type, for conveying.
[0029]
Further, when transporting the car side panel 2c of the RV type, in the case of suspended side panels 2c to the hanger 7, is supported on the edge 2 ₂ Kojo roller 9b center pillar 2 ₁ front door opening with an opening upper edge 2 ₄ of the rear window, it is supported by the drum-shaped roller 12b of the third hung mechanism 12. Then, 2 performs grasping the center pillar 2 ₁ in the same procedure as automotive side panel 2a of the door type, for conveying.
[0030]
In the present embodiment, the side panels 2a, 2b, and 2c are suspended and transported on the hanger 7 so that the front-rear direction of the side panels 2a, 2b, and 2c is perpendicular to the transport path direction. However, the present invention is not limited to this. For example, the side panels 2a, 2b, and 2c may be suspended and transported so that the front-rear direction of the side panels 2a, 2b, and 2c is the same as the transport path direction.
[0031]
Moreover, in this embodiment, although the press holding mechanism 13 was comprised so that the lower center part of side panel 2a, 2b, 2c might be pressed from an outer side, this invention is not limited to this. For example, the side panels 2a, 2b, and 2c may be configured to be pressed from the inside thereof, and a plurality of locations below the side panels 2a, 2b, and 2c may be pressed. In these cases, the press holding mechanism 13 is provided at a position that does not hinder the payout process for the next process, that is, a position that does not interfere with a robot or the like for holding the side panels 2a, 2b, and 2c and paying out to the next process. Like that.
[0032]
In addition, this invention is not limited to the said embodiment, A various change is possible as needed.
[0033]
【The invention's effect】
As is apparent from the above description, the present invention is such that the side panel is positioned in the vertical direction relative to the hanger by the first and second suspension means, and the hanger by the grip means. It is relatively positioned in the front-rear direction. Then, in a state where the hanger is run and stopped at the payout position, the side panel is pressed and held by the pressing and holding means from the inside or the outside, and the right and left posture of the side panel is fixed to a predetermined posture. Therefore, in the payout position, the side panel vertical direction and front / rear direction are positioned, and the posture in the left / right direction is fixed, so that the side panel can be prevented from shaking and the side panel can be easily discharged. Deformation can be prevented.
[Brief description of the drawings]
FIG. 1 is a front view of an embodiment of a side panel transfer stationary apparatus according to the present invention. FIG. 2 is a side view showing a state in which a side panel of a two-door type automobile is suspended. FIG. 4 is a side view showing a state in which a side panel is suspended. FIG. 4 is a side view showing a state in which a side panel of an RV type automobile is suspended.
2 Side panel 6 Rail 7 Hanger 9 First suspension mechanism 10 Grip mechanism 11 Second suspension mechanism 13 Press holding mechanism

Claims (1)

A side panel transportation stationary device that transports a side panel of an automobile to a payout position and places it in a predetermined posture,
A rail extending along the conveyance path, a hanger that suspends the side panel and travels along the rail, and a right and left posture of the side panel suspended on the hanger below the dispensing position is a predetermined posture. And press holding means for pressing and holding the side panel from the inside or outside ,
The hanger includes a first suspension means for suspending the side panel at the upper edge of the door opening on the front side of the center pillar, a second suspension means for suspending the side panel at the upper edge of the opening on the rear side of the center pillar, and the center pillar. Gripping means for gripping from the front-rear direction,
The first suspension means is a means having a rotatable roller and supporting the upper edge of the door opening on the front side of the center pillar by the roller.
The second suspension means is a means that has a roller that is rotatable and can move forward and backward obliquely downward on the front side of the side panel, and that supports the upper edge of the rear opening of the center pillar by the roller. Side panel transfer device.

Images