KR20060108868A - Hemming system for panel for vehicle - Google Patents

Abstract

A body panel hemming system is disclosed. The disclosed body panel hemming system includes a turntable rotatably provided; A hemming die installed on the turntable so as to correspond to multiple vehicles; A curl hemming roller installed on one side of the turntable and pressurized by pressing the vehicle body panel of the vehicle disposed on the hemming die while moving the side of the hemming die; A first pressurizing cylinder installed at one side of the curl hemming roller and configured to actuate the curl hemming roller; A guide roller installed to be in contact with one side of the hemming die and transporting the processing surface at right angles to the outline of the vehicle body panel; A second pressurizing cylinder installed at one side of the guide roller to operate the guide roller to be pressed; And at least one robot device installed at one side of the turntable and operated to input and withdraw the vehicle body panel.

According to the present invention, it is possible to obtain the same hemming quality with a minimum investment of investment, so it is excellent in terms of merchandise, and it is possible to cope with multi-vehicles. There is a possible advantage.

Hemming, Multiple models, Robot unit, Guide roller

Description

Body panel hemming system {HEMMING SYSTEM FOR PANEL FOR VEHICLE}

1 and 2 are views schematically showing the configuration of a body panel hemming device according to the prior art.

3a and 3b is a schematic view showing the configuration of a body panel hemming system according to the present invention.

4A and 4B are schematic plan and side cross-sectional views of a hemming die applied to a body panel hemming system according to the present invention.

4C is an essential detail view of FIG. 4B;

4D is a schematic perspective view of a hemming die applied to a body panel hemming system in accordance with the present invention.

5 is a schematic circuit diagram of a pressing force equalizing pneumatic circuit applied to a body panel hemming system according to the present invention;

6 is a view schematically showing a configuration of a drive mechanism of a turntable applied to a body panel hemming system according to the present invention.

Figure 7 is a schematic view showing for explaining the operation of the roller applied to the body panel hemming system according to the present invention.

<Description of the symbols for the main parts of the drawings>

30. Turntable

40. Heming Die

50. Body Panel

60. Common Heming Roller

61. First pressure cylinder

70. Guide roller

71. 2nd pressure cylinder

81. Pressure regulator

82. Silencer

91. Motor

92. Rotary friction roller

93. Pressurized Cylinder

The present invention relates to a vehicle body panel hemming system, and more particularly, to a vehicle body panel hemming system for enabling a multi-vehicle model using roller pressurization.

In general, 2 to 30,000 parts are manufactured through several assembly processes until the automobile manufacturer produces the automobile.

In particular, the car body is the first step in the automobile manufacturing process. After producing product panels through various kinds of press devices, the car body is moved to a car body factory, where each part of the product panels is assembled to form a white body (BIW) body. .

In order to form the panel as described above, after pressing the molding process in a predetermined form through various press equipments, cutting in pressing processes such as trimming, piercing, flanging, and hemming, Through the process of hole machining, bending, bending.

And the method of hemming the end of the door, hood, trunk, etc. of the vehicle is a lack of joint strength due to the hemming, securing a welding surface in the local part and face welding work Secure the bonding strength.

In addition, the hemming operation of the inner panel and the outer panel of the door may be accomplished by flanging and clinching the edges of the outer panel of the door inward, and then applying a hemming sealer to the clinched gap. By inserting the inner panel of the door, hemming is performed. At this time, the hemming sealer exhibits adhesive performance after heat curing while undergoing a coating process.

For example, as shown in FIGS. 1 and 2, the hemming is a method of folding the outer panel 11 to wrap and mechanically couple the inner panel 12. Parts are assembled in this way on both the moving parts of the vehicle, eg the front and rear doors and the trunk.

1 and 2, the general method up to now is equipped with a mold 20 of the panel in a press-type dedicated machine 10, the outer panel 11 into the mold 20. And the inner panel 12 are put in, the press die 20 is lowered, and the ends of the panels 11 and 12 are folded and joined.

However, the conventional hemming method as described above has the following problems.

The initial equipment investment is large because expensive mold 20 having a similar shape to that of forming the panels 11 and 12 must be manufactured.

In addition, since the press body is large in size, it is difficult to construct a layout inside the factory.

In addition, in the case of a multi-vehicle mass production line, the mold 20 must be changed while responding. Therefore, since the time required for the replacement of the mold 20 takes a lot, productivity is reduced, and currently only two types of vehicles are available.

The present invention has been made to solve the above problems, to provide a body panel hemming system that can achieve the same hemming quality, multi-vehicle response, and cost reduction with a minimum investment. Its purpose is.

Body panel hemming system of the present invention for achieving the above object, the turntable rotatably provided; A hemming die installed on the turntable so as to correspond to multiple vehicles; A curl hemming roller installed on one side of the turntable to press and hemm the body panel of the vehicle disposed on the hemming die while moving the side of the hemming die; A first pressurizing cylinder installed at one side of the curl hemming roller and configured to actuate the curl hemming roller; A guide roller installed to be in contact with one side of the hemming die and transporting the processing surface at right angles to the outline of the vehicle body panel; A second pressurizing cylinder installed at one side of the guide roller to operate the guide roller to be pressed; And at least one robot device installed at one side of the turntable and operated to input and withdraw the vehicle body panel.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3A and 3B schematically show the configuration of the vehicle body panel hemming system according to the present invention, and FIGS. 4A to 4B show top and side cross-sectional views of the hemming die, respectively. The detail of the main part of 4b is shown.

Referring to each of the drawings, the body panel hemming system according to the present invention includes a turntable (30) rotatably provided, and corresponding to the multiple car models on the turntable (30) as shown in FIG. 4D. Hemming die 40 and a plurality of hemming die 40 is installed to one side of the turntable 30 while moving the side of the hemming die 40 while pressing the body panel 50 of the vehicle disposed on the hemming die 40 to hemming The curl hemming roller 60 is comprised.

In addition, the body panel hemming system according to the present invention includes a first pressurizing cylinder 61 installed at one side of the curl hemming roller 60 and operated to pressurize the curl hemming roller 60, and the hemming die 40 of the hemming die 40. A guide roller 70 which is installed to be in contact with one side and is transported while riding the processing surface at right angles to the outline of the vehicle body panel 50, and is installed at one side of the guide roller 70 to pressurize the guide roller 70; A second pressurizing cylinder 71 is operated, and at least one side of the turntable 30 is provided with a robot device that is operated to insert and take out the vehicle body panel 50.

As shown in FIGS. 3A and 3B, the robot apparatus includes a panel feeding robot 101, a panel taking out robot 102, a barbed hemming robot 103, and the like. That is, the vehicle body panel hemming system according to the present invention is equipped with a hemming tool (hemming tool) as described above in the borch-type hemming robot 103 mounted on the upper, hemming die 40 of the multi-vehicle model on the turntable 30 Position and rotate according to the vehicle model, repeating the process such as panel input, hemming, panel take-out.

In addition, the first and second pressure cylinders 61 and 71 are applied with a pressure equalizing pneumatic circuit. As shown in FIG. 5, the first and second pressure cylinders 61 and 71 are first and second pressure cylinders. The air corresponding to the pressure side of the 61 and 71 is supplied to the pressure regulator 81 while being supplied, and the pressure more than necessary is provided to be discharged through the silencer 82.

3A, 3B, and 6, the turntable 30 has a rotational friction roller 92 driven by a motor 91 on the side of the turntable 30, in response to pressure contact and rotational operation. Rotated by In addition, the rotary friction roller 92 is in contact with the force applied to the side surface to the turntable 30 by a pressure cylinder 93 installed on one side thereof.

On the other hand, reference numerals 40a, 40b, and 40c, which are not described in FIG. 3b, are shown to be arranged to be configured differently to correspond to each vehicle model of the hemming die 40.

Referring to the operation of the body panel hemming system according to the present invention having the configuration as described above are as follows.

Referring again to the drawings, the body panel hemming system according to the present invention comprises a tool having a roller-type pressurization mechanism mounted on a robot device and positioned above the system, and below the circular turntable 30 around the robot device. It is a system which can change the hemming die 40 on it, and comprised three or more multi-vehicle body panel 50 pressurization dies, and respond | corresponds to multi-vehicle types. In addition, a special pneumatic circuit is installed in the first and second pressure cylinders 61 and 71 to enable pressurized hemming at a uniform pressure on the curved surface of the vehicle body panel 50.

This will be described in more detail.

As shown in FIGS. 4B and 4C, the guide roller 70 presses the body panel 50 by using the hemming roller 60 while moving along the guide surface of the hemming die 40 to hemming. do. In addition, the guide roller 70 transfers the curved hemming roller 60 on the machined surface perpendicular to the outline of the body panel 50 in order to press the body panel 50 at the correct position.

In addition, the surface height of the hemming die 40 and the guide surface that the guide roller 70 contacts with the vehicle body panel 50 are formed in a curved line rather than a straight line.

However, it is impossible to move along the above curve simply by robot teaching. Therefore, a pressing force equalizing pneumatic circuit as shown in FIG. 5 is applied to the first and second pressing cylinders 61 and 71. The principle of this circuit is to supply the air corresponding to the pressure side of the first and second pressure cylinders 61 and 71 with the pressure regulator 81 while supplying more pressure than necessary to the atmosphere through the silencer 82. .

Then, as shown in Figure 7, even if the end of the robot is made of a straight line, the rollers 60, 70 is able to press the body panel 50 and the guide surface at a constant pressure.

As described above, the body panel hemming system according to the present invention has the following effects.

As hemming quality can be obtained with the minimum cost investment, it has excellent merchandise and can cope with multiple models, and it is possible to cope with mass production with minimum production preparation period when new models are introduced.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments are possible. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

Claims (5)

A turntable rotatably provided; A hemming die installed on the turntable so as to correspond to multiple vehicles; A curl hemming roller installed at one side of the turntable and pressurized by pressing the vehicle body panel of the vehicle disposed on the hemming die while moving the side of the hemming die; A first pressurizing cylinder installed at one side of the curl hemming roller and configured to actuate the curl hemming roller; A guide roller installed to be in contact with one side of the hemming die and transporting the processing surface at right angles to the outline of the vehicle body panel; A second pressurizing cylinder installed at one side of the guide roller to operate the guide roller to be pressed; And at least one robot device installed at one side of the turntable to be operated to input and withdraw the vehicle body panel. The method of claim 1, The first and second pressure cylinders are body panel hemming system, characterized in that the pressure equalizing pneumatic circuit is applied. The method of claim 1, The first and second pressure cylinders supply air while controlling the air corresponding to the pressure side of the first and second pressure cylinders with a pressure regulator, and the body panel hemming system, characterized in that more pressure is required to be discharged through the silencer. . The method of claim 1, The turntable is a body panel hemming system, characterized in that the rotating friction roller driven by a motor on the side of the turntable is rotated by the pressure contact and the rotation operation. The method of claim 4, wherein The rotating friction roller is a body panel hemming system, characterized in that the contact by applying a force to the side of the turntable by a pressure cylinder installed on one side thereof.

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