JPH0597078A - Roof panel assembling device - Google Patents

Abstract

PURPOSE:To reliably place a drip resisting flange on a drip rail by providing a rail pulling machine to pull a roof side rail to the side of a car body, a drip resisting flange guide means during placing of a roof panel, and a press cylinder for pressing a roof panel. CONSTITUTION:When a roof panel 25 is lowered by means of a panel conveying means, rail pulling machines 11 and 12 are operated, and a pulling hook 130 is moved to each working position. Further, guide pieces 34 and 35 of guide means 14, 15, and 16 in three positions at each of the right and the left are brought into collision contact with the peripheral edge of the lowering roof panel 25 to regulate the position thereof, and guided to the given position of an upper base frame. Subsequently, press means 17, 18, and 19 switch and move a press metal 31 to a press down position, and a drip resisting flange 251 is pressed in a lowering direction (d) and pushed on a drip rail 231.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof panel assembling apparatus which is used in an assembling line of a vehicle body and which assembles the roof panel to the roof rail prior to integrally joining the roof panel to the roof rail of the vehicle body.

[0002]

2. Description of the Related Art Conventionally, in a vehicle body assembly line, various kinds of conveyors carry body constituent parts and at the same time deliver parts between a plurality of conveying paths at predetermined timings, sequentially incorporating the body constituent parts into the car body and welding. Etc. are integrated to assemble the vehicle body. The process of assembling the roof panel on the upper part of the vehicle body is provided in a part of this assembly line. This roof panel assembling step is a step of placing the roof panel at a set position with high positional accuracy before welding the roof panel to the roof rail on the upper part of the vehicle body.
It was performed as shown in FIG. That is, the vehicle body shown in FIG. 15 is formed by the upper base frame of the vehicle interior upper part 100 by the front pillar 104 and the rear pillar 101, and the left and right and front and rear roof rails (not shown) connecting these upper parts to each other. In addition, roof panels 103 are integrally connected on the left and right and front and rear roof rails (not shown).

Here, first, pulling hooks (not shown) of the pulling machine are respectively locked to two places on the left and right roof rails (not shown), and the left and right roof rails are pulled toward the vehicle side by the pulling machines. The pulling forces F1, F2, F3, F4 are applied, and the distance between the left and right roof rails is expanded. During this time, the roof panel 103 is lowered and supplied from above, and the left and right drip-opposing flanges of the roof panel 103 are guided and placed on a pair of left and right drip rails (not shown) that maintain a relatively enlarged space. After the roof panel assembling process, the puller is removed from the vehicle body to which the roof panel is assembled, and the vehicle body is transported to the next welding process.

[0004]

However, in this way, when the roof panel which should have been assembled is properly placed on the pair of left and right drip rails (not shown) in the roof panel assembling process as described above. However, if the left and right drip counter flanges of the roof panel are supplied with a deviation on the drip rail, a part of the drip counter flange may run over the edge of the upward flange of the drip rail. If this happens, the roof panel will not be placed correctly on the pair of drip rails, and if it is transported to the next welding process by a conveyor, etc., the roof panel will fall off the vehicle body before the welding process is reached. However, even if the welding process is reached, proper welding process is not performed,
There was a defective product and it was a problem. An object of the present invention is to provide a roof panel assembling apparatus that can mount a roof panel on a pair of drip rails with accuracy.

[0005]

In order to achieve the above-mentioned object, the present invention provides a mounting base for positioning and mounting a vehicle body at a processing position, and a vehicle body supported by the base and surrounding the vehicle body at the processing position. A processing base frame composed of a plurality of columns and a beam connecting the columns, and a support side rail positioned on the left and right of the vehicle body at the processing position, respectively, and a roof side rail of the vehicle body pulled toward the inside thereof. A plurality of rail pullers that lock the doors and pull them toward the side of the vehicle body, and a plurality of guide pieces that guide the drip-opposed flanges of the roof panel placed from above with respect to the drip rails on the roof side rails. Of the guide means, and the roof panel pressing metal fitting and the pressing metal fitting that come into contact with the drip counter flange mounted on the drip rail from above from the upper side in a timely manner. Characterized in that a hold-down means having a pressing cylinder for example included actuated.

[0006]

A plurality of rail pulling machines pull the roof side rails of the vehicle body toward the inside of the vehicle by locking the hooks, and pull the plurality of guide means from above the drip rails on the roof side rails. The drip counter flange of the roof panel to be placed is guided, the pressing means actuates the holding cylinder, and the roof panel holding metal fittings make timely contact with the drip counter flange placed on the drip rail from above to perform pressing operation. Therefore, the drip counter flange can be reliably placed on the drip rail.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The roof panel assembling apparatus 1 shown in FIGS.
It is provided in a roof panel assembly process section on a vehicle body assembly line (not shown). A vehicle body 10 of a small truck as shown in FIG. 3 and a van-type vehicle body (not shown) are supplied to the conveyance path R of the vehicle body assembly line here. In the vehicle body 10 of the small truck here, a cabin is integrally mounted on a chassis 20, and the upper base frame of the upper part of the cabin which is the upper part of the cabin is provided with front and rear roof rails 22, 24 and left and right roof rails 23,
It is formed by 23. In the roof panel assembling process section, the roof panel 25 and the like are placed and assembled on the upper base frame of the vehicle body 10 and sent out to a welding process (not shown) on the downstream side of the transport path R.

In such a roof panel assembling apparatus of the roof panel assembling step, the vehicle body 10 is processed at the processing position (2 in FIG. 1).
A mounting base 8 which is positioned and mounted at a position Q indicated by a dotted line 10 and four pillars 5 supported by the floor 2 of the facility and surrounding the vehicle body at the processing position Q and the pillars 5 are connected to each other. A processing base frame composed of two side beams 3 and two curved beams 5 and side beams 3 located on the left and right of the vehicle body 10.
And a plurality of rail pullers 11, 12, 13 respectively supported on the left and right side beams 3 positioned on the left and right of the vehicle body 10 at the processing position Q, and a plurality of guides respectively supported on the left and right side beams 3. Means 14, 15, 16
And a plurality of pressing means 17, 18 and 19 respectively supported on the left and right side beams 3, and control means (not shown).

The mounting base 8 has two vertical columns 9 projecting from the floor 2 of the equipment, and a horizontally long frame 8 integrally connected to each of these two vertical columns 9 and long in the direction of the conveyance path R. , A bar 901 connecting the left and right sides, and positioning machines 110, 111, 112 mounted on the laterally long frame 8 in pairs of three each on the left and right. As the positioning machines 110, 111, 112, a well-known positioning machine is used which is composed of a mounting piece capable of mounting the positioning portion at the bottom of each vehicle body and a position correcting means capable of adjusting the position of the mounting piece. The machining position Q is set by. The four pillars 5 surrounding the vehicle body at the processing position Q are welded at their lower ends to the base plate 6 which is joined to the floor 2 by anchor bolts (not shown). The two side beams 3 that connect the columns 5 are separated from each other by a distance equal to the right and left of the conveyance path R, and are bent by the two curved beams 5. The curved beam 5 is arranged in an arch-like shape at a height position where it interferes with interference between the vehicle body 10 moving along the conveyance path R and a conveyor (not shown). In addition, the code | symbol 7 of FIG. 2 has shown the pillar connection material.

In the area sandwiched by the pair of curved beams 5 on the upper surface of each of the left and right side beams 3, the guide means 14, the pressing means 17, the rail pulling device 11, the pressing means 18, and the guide are installed from the front in the same manner on the left and right. Means 15, rail puller 12, holding means 19, guide means 1
6, the rail puller 13, and the guide means 16 'are arranged in this order. In FIG. 1, the guide means 14, 15, 16, 16 ′ on the upper side (left side in the front direction) have substantially the same configuration, and the guide means 14 will be mainly described here. The guide means 14 is, as shown in FIGS.
The position of the front end of the roof panel 25 is regulated. A substrate 141 integrally connected to the side beam 3, an air cylinder 32 supported on the substrate, and an extension bracket 33 on the piston of the air cylinder 32. It is composed of a pair of guide pieces 34 and 35 to be attached. here,
The guide piece 34 has a vertically inclined surface that is inclined rearward from the front, and the guide piece 35 has a vertically inclined surface that is inclined from the side of the vehicle body toward the center, which is formed as the roof panel 25 descends. The position can be corrected to the machining position Q.

The air cylinder 32 is arranged so as to project obliquely from the front with respect to the conveying path R and can be operated.
It is configured so that both the forward displacement force received by 4 and the lateral displacement force received by the guide piece 35 can be reliably received. The cylinder 1 shown by the two-dot chain line in FIGS.
Reference numeral 31 is used only for regulating the position of the roof panel of a panel van type vehicle body (not shown), and is not used here. The guide means 16 shown in FIGS. 10 to 12 regulates the position of the rear end of the roof panel 25 (see FIG. 3), and includes a board 49 integrally connected to the side beam 3 and a vertical bracket 56 on the board. Air cylinder 91 pivotally supported via
A swing arm 92 whose end is pivotally attached to the front end of the vertical bracket 56 via a pin 57, and whose middle part is pin-connected to the tip of the piston 911 of the air cylinder 91;
It is composed of a pair of guide pieces 93, 94 attached to the rotating end of the swing arm 92. Again, the guide piece 94
Has a vertically inclined surface that inclines from the rear to the front, and
The reference numeral 4 has a vertically inclined surface that is inclined from the side of the vehicle body toward the center, and the position can be corrected to the processing position Q as the rear end side of the roof panel 25 descends.

The cylinder indicated by reference numeral 86 in FIGS. 11 and 12 can be used only for the position regulation of the roof panel of a panel van type vehicle body (not shown), and is not used here. The guide means also supports the base 83 supported by the side beam 3, a slide base 84 guided along the guide rails above the guide rail in a direction orthogonal to the conveyance path R, and a vertical direction of the slide base 84. It is composed of a cylinder 86 pin-coupled to the piece 85 and a guide piece (not shown) supported by a piston of the cylinder, and this guide piece is capable of restricting the shift of the roof panel in the front direction. Guide means 1 shown in FIG.
Reference numeral 6'regulates the position of the rear end of the roof panel of a van type vehicle body (not shown), and has the same configuration as the guide means 16, and the description thereof is omitted. It should be noted that when the roof panel is assembled to a van type vehicle body (not shown), a guide means for position regulation may be additionally provided at the position indicated by reference numeral K in FIG. It should be noted that the guide means 15, 16 and 16 'are all arranged long in the orthogonal direction with respect to the conveyance path R, and the guide piece 3
4, 35, 93, 94 and the like can regulate the displacement of the front, middle, and rear parts of the roof panel 25.

In FIG. 1, the pressing means 17 on the upper side (left side in the front direction) is provided so as to oppose each portion of E and H in FIG. As shown in FIG. 1, FIG. 2, and FIG. 5 to FIG.
An air cylinder 27 that is pin-coupled to a bracket 36 on the board, a swing arm 29 that is pin-coupled to a piston 28 of the air cylinder 27, a press fitting 31 that is integrally coupled to the swing arm 29, and a board. And a pair of parallel link pieces 30 whose one end is pin-connected and the other end is pin-connected to the swing arm 29. Here, as is apparent from FIG. 7, the swing arm 29 is rotatably supported by a bending bracket 32 that rises in a direction orthogonal to the inclination direction of the roof panel 25. Therefore, when the air cylinder 27 is pressed down (when the air cylinder 27 is pushed out), the inclined drip counter flange 251 on the roof panel 25 side can be reliably pressed down.

The pressing means 18 is provided so as to oppose each part of F and I in FIG. This means is shown in FIGS. 1, 2, 8, and 9.
Substrate 4 integrally bonded to side beam 3 as shown in FIG.
7, an air cylinder 40 pivotally attached to the rear end of a bracket 44 on the board via a pin 46, and an L-shaped arm 42 pivotally attached to the front end of the bracket 44 via a pin 45.
And a holding metal fitting 43 integrally connected to the tip of the L-shaped arm 42 via a deflection piece 421, and a drive pin 411 pivotally connecting the L-shaped arm 42 and the piston 41 of the air cylinder 40.
It consists of and.

Here, when the air cylinder 40 reaches the projecting position in FIG. 9, the drip counter flange 251 of the roof panel 25, which is displaced from the extension of the cylinder center line by the amount of the deflecting piece 421, is pressed down, and the roof side is securely held. It is pressed against the drip rail 231 on the rail 23. When the arrangement position of the air cylinder 40 is restricted due to the layout and the holding metal fitting 43 cannot be arranged on the extension of the center line of the air cylinder 40, the deflecting piece 421 is adopted, whereby the holding means 18 can be freely moved. It is configured to expand.

The pressing means 19 is provided so as to oppose each part of G and J in FIG. As shown in FIGS. 1, 2, and 10 to 12, the means is a substrate 49 integrally coupled to the side beam 3, a vertical bracket 56 integrally coupled to the substrate, and a side bracket extending therefrom. 55, an air cylinder 50 pivotally attached to the rear end of the side bracket 55 via a pin 54, a dog-legged arm 52 pin-coupled to the front end of the side bracket 55, and a rotation of the dog-legged arm 52. It is composed of a pressing member 53 integrally connected to the end, and a drive pin 511 that pivotally connects the dogleg shaped arm 52 and the piston 51 of the air cylinder 50. here,
When the air cylinder 50 reaches the projecting position shown by the solid line from the retracted position shown by the chain double-dashed line in FIG. 10, the drip counter flange 251 at the extended portion of the cylinder center line is pressed down, and the drip rail 231 on the roof side rail 23 is securely held. Can be pressed against.

In FIG. 1, the rail puller 11 on the upper side (left side in the front direction) is provided so as to oppose each part of A and C in FIG. This means is shown in FIGS. 1, 2, 13, and 14.
As shown in FIG. 5, a box-shaped base 120 integrally connected to the side beam 3, an air cylinder 122 pin-connected to a vertical bracket 121 integrally connected to the base, and left and right upper surfaces of the base 120. And a guide cylinder portion 125 that is slidably supported by a pair of parallel guide pins 124, and a pair of parallel guide pins 124 that are integrally coupled and that are protruded by the air cylinder 122 and are retracted. The frame 126, the retreat cylinder 123 pin-connected to the downward extending portion of the sliding frame 126, the pulling hook 130 pivotally supported at the front end of the sliding frame 126 via the horizontal pin 127, and the pulling hook 130. The pin 129 pivotally connects the intermediate portion and the piston 128 of the retracting cylinder 123.

When the rail puller 11 is operated, first, the retracting cylinder 123 is driven to protrude at the projecting position (the solid line position in FIG. 14) of the air cylinder 122, and the retracting position (the position indicated by the chain double-dashed line in FIG. 14). Pulling hook 13
0 is moved to the operating position indicated by the solid line. As a result, the pulling hook 130 can be installed opposite to the inner wall surface of the roof side rail 23 corresponding to the positions A and C in FIG. After that, the air cylinder 122 is pulled toward the retracted direction, whereby the pull hook 130 can pull the roof side rail 23 toward the vehicle side.
In this case, the rail pullers 11 at the A and C positions in FIG.
Are controlled so that the drip rails 231 on the pair of left and right roof side rails 23 can be elastically deformed so as to widen the left and right gaps, and the drip opposing flanges 251 on the roof panel can be smoothly moved downward. You can do it. In addition, this air cylinder 12
2 and the retreat cylinder 123 respectively project after the roof panel is assembled, and are retracted to return to the standby position shown by the chain double-dashed line in FIG.

The rail puller 12 shown in FIGS. 1, 2 and 9
Is drawn against each of the parts B and D of FIG. 3, and the rail attracting device 11 is installed against the parts of A and C of FIG.
The difference is that the roof side rail 2 in the parts B and D in FIG.
The shapes of the pulling hook 82 and the swing arm 81 integrated with the hook differ only in accordance with the difference in the shape of No. 3, and the duplicate description will be omitted. Further, the rail puller 13 is also used when assembling the roof panel to a van-type vehicle body (not shown), which is different from that shown in FIG. 13 except that the pulling hook has a different shape depending on the shape of the roof side rail. The configuration is the same and the description thereof is omitted.

In such a roof panel assembling apparatus 1, the body 10 of the small truck shown in FIG. 3 is conveyed along the conveying path R and is placed on the placing base 8 so as to be set at the processing position Q. It Subsequently, the roof panel 25 for the small truck shown in FIG. 3 is passed through the left and right side beams 3 and is lowered while being held by a plurality of suction cups of a panel conveying means (not shown), and the front and rear roof rails 22, 2 forming an upper base frame.
4 and the left and right roof rails 23, 23. At this time, at the same time, the rail puller 1 is installed opposite to each of the two left and right positions (A and B positions and C and D positions in FIG. 3).
1, 12, the retracting cylinder 123 first switches the pulling hook 130 to the operating position (the position indicated by the solid line in FIG. 4), and then the air cylinder 122 pulls the pulling hook 130.
Is moved toward the vehicle side (direction f in FIG. 4), whereby the left and right roof side rails 23 are elastically displaced toward the vehicle side, the distance between the left and right drip rails 231 is expanded, and the lowering operation of the roof panel 25 is performed. Can be facilitated.

Further, the guide means 14, 1 at each of the left and right three positions
The guide pieces 34, 35, 93, 94, etc. of 5, 16 are slidably contacted with the peripheral edge of the roof panel 25 from which they descend, and at that time, position control is performed and the roof panel 25 can be guided to a predetermined position of the upper base frame. .. Following this, the holding means 17, 18, 19 at each of the left and right three positions (E, F, G positions and H, I, J positions in FIG. 3) are actuated, and the holding positions from the retracted position (solid line in FIG. 4). (Position indicated by))
3 and 53 are switched and moved, and the drip counter flange 2
51 is pressed in the descending direction d and pressed onto the drip rail 231. At this time, even if the supplied roof panel 25 locks a part of the drip counter flange 251 at the end of the drip rail 231, etc. due to its shape error or positional deviation, the pressing metal fittings 31, 43, 53 By the process of forcibly moving the drip counter flange 251 in the descending direction d, the locked state at the end of the drip rail 231 is reliably released, and the assembling into the drip rail 231 can be surely completed.

After that, the control means (not shown) switches the pressing means 17, 18, 19 and the guide means 14, 15, 16 and the rail pullers 11, 12 to the retracted positions and moves them, respectively. As a result, the vehicle body 10 to which the roof panel 25 at the processing position Q is assembled becomes movable,
It is transported to the welding process side along the transport path R by a conveyor (not shown).

In the above description, the roof panel assembling apparatus 1 has been described as an assembling the roof panel 25 of a light truck to the vehicle body 10. However, instead of this, the roof panel is assembled to a one-box type van type vehicle body. In this case, each arrangement of the holding means, the guide means and the rail pulling machine on the pair of side rails 3, 3 and the shapes of the holding metal fitting, the pulling hook and the guide piece are matched with the opposing portion, It will be modified appropriately.

[0024]

As described above, according to the present invention, the drip rails on the left and right roof side rails are pulled toward the vehicle body side by the rail pulling device to increase the distance between the left and right drip rails, and the roof panel is formed by the plurality of guide means. Guide the drip counter flanges into the left and right drip rails, and the pressing means can press the drip counter flanges onto the drip rails with the roof panel pressing metal fittings, so the drip counter flanges can be placed securely on the drip rails. Assembling work can be ensured, and the occurrence of defective products in the roof panel assembling and welding processes can be reduced.

[Brief description of drawings]

FIG. 1 is a plan view of a roof panel assembling apparatus according to an embodiment of the present invention.

2 is a side view of the roof panel assembling apparatus of FIG. 1. FIG.

FIG. 3 is an exploded perspective view of a vehicle body supplied to the roof panel assembling apparatus of FIG.

FIG. 4 is an operation explanatory view of a rail puller and a pressing means of the roof panel assembling apparatus of FIG.

5 is a plan view of a pressing means at the front part of the roof panel assembling apparatus of FIG. 1. FIG.

FIG. 6 is a side view of the pressing means at the front part of the roof panel assembling apparatus of FIG.

FIG. 7 is a rear view of the pressing means at the front part of the roof panel assembling apparatus of FIG.

8 is a rear view of the pressing means at the center of the roof panel assembling apparatus of FIG. 1. FIG.

9 is a side view of a central pressing means of the roof panel assembling apparatus of FIG. 1. FIG.

FIG. 10 is a side view of the pressing means at the rear of the roof panel assembling apparatus of FIG.

11 is a rear view of the pressing means at the rear of the roof panel assembling apparatus of FIG. 1. FIG.

12 is a plan view of a pressing means at the rear of the roof panel assembling apparatus of FIG. 1. FIG.

13 is a plan view of the rail puller of the roof panel assembling apparatus of FIG. 1. FIG.

14 is a side view of the rail puller of the roof panel assembling apparatus of FIG. 1. FIG.

FIG. 15 is an operation explanatory view of a conventional device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roof panel assembling device 2 Floor 3 Side rail 4 Strut 5 Curved beam 8 Mounting base 10 Vehicle body 11 Rail pulling machine 12 Rail pulling machine 13 Rail pulling machine 14 Guide means 15 Guide means 16 Guide means 17 Holding means 18 Holding means 19 Holding means 23 Roof side rail 25 Roof panel 251 Drip counter flange 27 Air cylinder 31 Holding fitting 34 Guide piece 35 Guide piece 40 Air cylinder 43 Holding fitting 50 Air cylinder 53 Holding fitting 93 Guide piece 94 Guide piece 130 Pulling hook

Claims (1)

[Claims] 1. A processing base frame comprising a mounting base for positioning and mounting a vehicle body at a processing position, a plurality of columns supported by the base portion and surrounding the vehicle body at the processing position, and a beam connecting the columns. And a plurality of rail pullers that are respectively supported on the left and right beams located on the left and right of the vehicle body at the processing position and that pull the roof side rails of the vehicle body inside thereof by pulling hooks to pull them to the side of the vehicle body. A guide means provided with a guide piece for guiding a drip counter flange of a roof panel mounted from above on the drip rail on the roof side rail; and the drip counter flange mounted on the drip rail. To the roof panel pressing member that comes into contact with the pressing member from above, and a pressing means equipped with a pressing cylinder that presses the pressing member in a timely manner. For example was the roof panel assembly apparatus.