KR100624536B1 - Panel control pin device for body assembly of automobile - Google Patents

Abstract

The present invention relates to a panel regulating pin device for vehicle body assembly of an automobile, and in particular, a regulating pin device for fixing a panel at a predetermined position when jig fixing the panel to a base to assemble the vehicle body by adopting a flexible production method. The present invention relates to a simple structure, simple operation, and improved productivity.

The present invention provides a support member (11a) (11b) provided with at least one in front and rear of the base (10); At least one or more first brackets 21 are vertically installed between the supporting members 11a and 11b of the base 10 so that the guide rails 22a and 22b are spaced apart from each other in the upper and lower sides. Guide pieces 23a and 23b are provided, and pins 25a and 25b are placed on the upper ends of the first and second support bars 24a and 24b, and the control protrusions are formed under the pins 25a and 25b. The guides 27a and 27b are formed between the pins 25a and 25b and the control protrusions 26a and 26b at the same time as the guide rails 26a and 26b. 22a, 22b, and coil springs 28a, 28b wound around the lower portions of the first and second support bars 24a, 24b so that the guide pieces 23a, 23b can be elevated. A regulating pin mechanism 20 which is inserted and supported; The second bracket 41 is vertically installed on the side of the first bracket 21 of the base 10 so that the hydraulic pressure cylinder 42 is horizontally installed at the upper center thereof, and the free end of the piston rod 43 is provided. Control bars 45a and 45b for fixing the connecting piece 44 to the upper and lower sides of the first and second support bars 24a and 24b, respectively, in contact with the control projections 26a and 26b on both sides thereof. It consists of the support bar control means 40 installed.

Base, support member, regulating pin mechanism, first bracket, first and second support bar, pin, control protrusion, support bar control means, hydraulic cylinder, piston rod, control bar

Description

Panel control pin device for automobile body assembly {PANEL CONTROL PIN DEVICE FOR BODY ASSEMBLY OF AUTOMOBILE}

1 is a side view of the installation state of the embodiment of the present invention

2 is a perspective view of main parts of an embodiment of the present invention;

Figure 3a, 3b is a main action state diagram of an embodiment of the present invention

Figure 4 is a side view of the installation state of the conventional

5a, 5b is a state of operation of the conventional

                 <Explanation of Signs of Major Parts of Drawings>

10 base 11a, 11b support member 20 regulating pin mechanism

21: first bracket 24a, 24b: first and second support bars 25a, 25b: pin

26a, 26b: control protrusion 40: support bar control means 42: fluid pressure cylinder

43: piston rod 45a, 45b: control bar

The present invention relates to a panel regulating pin device for vehicle body assembly of an automobile, and more particularly, a regulation pin device for fixing a panel at a predetermined position when a panel is fixed to a base by a jig for assembling the vehicle body using a flexible production method. It is about.

As is well known, when assembling the main body of a car, for example, the main body in the body assembly line, the floor panel is installed in a vehicle that is installed in the transport line, and then side panels and roof panels are welded and assembled. After assembling other parts such as door inner panel and trunk lead inner panel, the finished products such as door and trunk lead are assembled.

On the other hand, in recent years, in order to meet various demands of automobiles, many automobiles are using small-volume production or mixed-flow production method, that is, flexible assembly method. In this case, the specification (size) of each vehicle is different so that the floor panel, door inner panel, trunk lid inner panel, etc. (hereinafter referred to as "panel") can be fixed to the fixed plate or trolley (hereinafter referred to as "base"). The means for regulating the panels in place should be used.

As shown in FIG. 4, the panel position limiting means of the conventional vehicle body assembly line includes at least one supporter 11a and 11b which are dedicated or shared for each vehicle type in front and rear of the base 10. At least two support brackets 12a and 12b are fixed between the support members 11a and 11b of the base 10 at horizontal intervals so as to be horizontal to each of the support brackets 12a and 12b. Furnace support pieces 13a and 13b are provided, and pneumatic or hydraulic fluid cylinders 14a and 14b are respectively provided below the guide pieces, and guide pipes 15a are provided above the support pieces 13a and 13b. 15b is installed to support the piston rods 16a and 16b of the hydraulic cylinders 14a and 14b to the guide pipes 15a and 15b to guide and lift vertically. The pins 17a and 17b are formed at the ends of the 16b and the hydraulic cylinders 14a and 14b are hydraulic pumps that are separate power sources. And it is controlled by the air compressor, and is controlled by a programmable controller (PLC) for forming a vehicle body assembly line to the mobile.

The position control of the panel is shown in Figure 5a, 5b, two models (A class, B class) with different specifications A class panel (AP) is shown as a solid line, B model panel (BP) is shown as an imaginary line In addition, the A-type panel AP and the B-type panel BP are previously formed with pin insertion holes AH and BH, respectively, and the fluid pressure cylinder 14a is used for the A-type model. The pressure cylinder 14b is demonstrated to be used for the B model.

First, in order to control (regulate) the position of the A vehicle model panel AP as shown in FIG. 5A, the piston rod 16b is reduced by operating the B hydraulic model hydraulic pressure cylinder 14b, and then the A vehicle model panel AP is supported. A pin insertion hole AH is inserted into the pin 17a while the members 11a and 11b are loaded (held up and supported) to regulate the position of the A model panel AP and then into a jig (not shown). It is to fix A vehicle type panel (AP).

As described above, after the position of the A type panel AP is fixed to the base 10 and fixed, the A type panel AP is, for example, a follower panel of the main body. Joining, welding the roof panel to the top of the pillar to complete the assembly of the main body.

On the other hand, when the assembly of the A type panel AP is completed as described above, when the position of the B type panel BP is regulated, the A type panel AP is separated from the base 10, and then the fluid pressure cylinder for the A type model is applied. By operating the 14a, the piston rod 16a is contracted, and at the same time, the hydraulic cylinder 14b for the B model is operated to extend the piston rod 16b, and the B model panel BP is supported by the support member 11a. The pin insertion hole BH is inserted into the pin 17b while being loaded in 11b to regulate the position of the B vehicle model panel BP.

However, the above-mentioned body control pin device is formed by the hydraulic cylinders (14a) and (14b) separately for each vehicle type, and the drive and operation is complicated, and the structure and piping, etc. are complicated, and when the body assembly line is a movable type, the electrical input / output signal Is increased, the circuit is complicated, and the operation of the hydraulic cylinders 14a and 14b is complicated and takes a long time, resulting in low productivity.

SUMMARY OF THE INVENTION An object of the present invention is to provide a regulation pin device for assembling a vehicle body of a vehicle capable of correcting the above-mentioned problems and having a simple structure, simple operation, and improved productivity.

In order to achieve the above object, the present invention and the support member provided at least one by one in front and rear of the base; At least one or more first brackets are installed vertically between the support members of the base, and guide rails and guide pieces are respectively installed at predetermined intervals on both sides of the base, and the pins are disposed on the upper ends of the first and second support bars. The guide piece is supported on the guide rail by forming a guide between the pin and the control protrusion at the same time as the control protrusion at the bottom of the pin, and winding the coil spring at the bottom of the first and second support bars. A regulating pin mechanism inserted into and supporting the elevating member; The second bracket is installed vertically on the side of the first bracket of the base to install the hydraulic cylinder horizontally in the upper center, and the connecting piece is fixed to the free end of the piston rod to contact the control projections on both sides thereof. And a support bar control means provided with a control bar for suppressing lifting of the first and second support bars.

Figure 1 is a side view of the installation state of an embodiment of the present invention, Figure 2 is a perspective view of the main portion of an embodiment of the present invention, 10 is a base, 11a, 11b is a support member, the support member (11a) 11b is a base ( At least one is installed in front and back of 10) so that it can be used for each vehicle type or shared.

Denoted at 20 is a regulation pin mechanism. The regulation pin mechanism 20 vertically installs at least one or more first brackets 21 between the support members 11a and 11b of the base 10 so that both sides are upward and downward. Guide rails 22a and 22b and guide pieces 23a and 23b are provided at predetermined intervals, respectively, and pins 25a and 25b are provided on the upper ends of the first and second support bars 24a and 24b. The guide plate 27a is formed between the pins 25a, 25b and the control protrusions 26a, 26b at the same time as the control plate 26a, 26b in the shape of the abacus is formed under the pins 25a, 25b. 27b) to support the guides 27a and 27b on the guide rails 22a and 22b, and to the lower portions of the first and second support bars 24a and 24b. 28b), the lower end of which is inserted into and supported by the guide pieces 23a and 23b so that the first and second supporting bars 24a and 24b can be lifted and lifted. ) And A and B models with different pin insertion holes (AH) (BH) Optionally loading the null AP, either support bar is selectively inserted into the pin insertion hole AH formed in the A or B vehicle panel AP and the other support bar is The pin is lowered so that the pin is located on the bottom of the panel.

In addition, stoppers 29a and 29b are provided at the lower ends of the first and second support bars 24a and 24b, respectively, so as to properly regulate the rise, and below both sides of the first bracket 21. The sensors 30a and 30b are installed to detect the rising positions of the first and second support bars 24a and 24b and display them on the display means (not shown) so that the regulation status of the panel can be well grasped. .

40 denotes a support bar control means, and the support bar control means 40 vertically installs a second bracket 41 on the side surface of the first bracket 21 of the base 10 so as to provide a pneumatic or hydraulic pressure. The hydraulic pressure cylinder 42 is provided, and the connecting bar 44 is fixed to the free end of the piston rod 43, and the control bars 45a and 45b are respectively in contact with the control projections 26a and 26b on both sides thereof. ) Is installed horizontally so that any one of the ends of the control bars 45a and 45b, i.e., the pin insertion hole AH (BH) (the pin insertion hole BH is shown in FIG. 5B) of the panel, is inserted. It is possible to enhance the stability by suppressing the rise of the bar and one end of the bar in contact with the lower part of the other control projection to prevent the lowering of the support bar by the external force.

In addition, an extension piece 46a, 46b having the same length as the connection piece 44 is formed on both sides of the upper end of the second bracket 41 to support and slide the rear ends of the control bars 45a and 45b. By making the horizontal movement of the control bars 45a and 45b favorable, the control of the first and second support bars 24a and 24b is made good, and at the rear end of the control bars 45a and 45b. The control bar stoppers 47a and 47b are installed to prevent excessive movement of the control bars 45a and 45b.

The present invention as described above will be described as using the first support bar (24a) for the position regulation of the A vehicle panel (AP), the second support bar (24b) for the position regulation of the B vehicle panel (BP). .

According to the present invention, when the hydraulic pressure cylinder 42 is reversed, the control bars 45a and 45b are completely separated from the control protrusions 26a and 26b formed on the first and second support bars 24a and 24b. The first and second support bars 24a and 24b are both maintained by the elastic restoring force of the coil springs 28a and 28b.

When the vehicle type panel AP is loaded on the support members 11a and 11b while the first and second support bars 24a and 24b are raised as described above, the pin insertion hole AH supports the first support. The position is regulated by being inserted into the pin 25a of the bar 24a, and the second supporting bar 24b is lowered by the weight of the A vehicle type panel AP so that the pin 25b is the bottom surface of the A vehicle panel AP. It is to keep in close contact with (see Fig. 1).

As described above, when the position of the A type panel AP is regulated and the A type panel AP is fixed as a jig, and then the fluid pressure cylinder 42 that has been retracted is moved forward, the control bars 45a and 45b are moved horizontally and controlled. The tip of the bar 45a is in contact with the lower surface of the control protrusion 26a of the raised first support bar 24a as shown in FIG. 3A to prevent the first support bar 24a from falling, and also the control bar 45b. The front end of the second support bar (24b) is in contact with the upper surface of the control projection (26b) as shown in Figure 3b to prevent the rise of the second support bar (24b) to prevent the injury of the A vehicle model panel (AP) The loading can be maintained well.

In addition, when regulating the position of the B vehicle panel BP as shown in FIG. 5B, the first support bar 24a is lowered and the second support bar 24b is formed in the pin insertion hole BH formed in the B vehicle panel BP. Inserted to control the position of the B-type panel (BP).

In the above embodiment, the positional regulation of the panel for the two vehicle types has been described. However, the positional regulation of the panel for the four vehicle types is implemented as the four body types are implemented when the flexible production method is adopted in the body assembly line. In order to control the position of the panel for the four models, the first bracket 21 is installed at regular intervals, and two support bars are provided at each first bracket, and the second bracket ( 41) is to install only one, at the same time install only one hydraulic cylinder 42 and four support bar is to be installed.

As described above, the present invention reduces the cost by simplifying the structure by reducing the number of electrical input / output signals, simplifying the circuit, simplifying the hydraulic pressure piping, etc. by unifying the hydraulic cylinder which is the driving source of the regulation pin device for each vehicle type. It is easy to operate and saves time, thus improving productivity.

Claims (5)

Support members provided at least one each in front and rear of the base; At least one or more first brackets are installed vertically between the support members of the base, and guide rails and guide pieces are installed at predetermined intervals on both sides of the base, and the pins are disposed on the upper ends of the first and second support bars. The guide piece is supported on the guide rail by forming a guide between the pin and the control protrusion at the same time as the control protrusion at the bottom of the pin, and winding the coil spring at the bottom of the first and second support bars. A regulating pin mechanism inserted into and supporting the elevating member; The second bracket is installed vertically on the side of the first bracket of the base so that the hydraulic cylinder is horizontally installed at the upper center, and the connecting piece is fixed to the free end of the piston rod to contact the control projections on both sides thereof. A panel regulatory pin device for assembling a vehicle body comprising a support bar control means provided with a control bar for suppressing lifting of the first and second support bars. The panel regulatory pin device for vehicle body assembly according to claim 1, wherein a stopper is provided at lower ends of the first and second support bars, respectively. The panel regulating pin device for vehicle body assembly according to claim 1, wherein sensors are provided below both sides of the first bracket. 2. The apparatus of claim 1, wherein an extension piece having the same length as the connection piece is formed on both sides of the upper end of the second bracket to support the rear end of the control bar. The panel regulating pin device for vehicle body assembly according to claim 1 or 4, wherein a control bar stopper is provided at a rear end of the control bar.

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