KR102094133B1 - A bending guide equipment for bending an aluminum pipe by inserting a core into an aluminum pipe for a roof rail of a vehicle - Google Patents

Abstract

Disclosed is an aluminum pipe bending guide apparatus for a roof rail of a vehicle using core insertion. According to the present invention, the disclosed aluminum pipe bending guide apparatus for a roof rail of a vehicle using core insertion comprises: a main frame coupled to a bending machine; a rotation frame placed on the main frame to be able to rotate up, down, right, and left; and a bending guide frame which includes a chuck unit for fixing an aluminum pipe mounted in the bending machine and a guide core inserted into or separated from the aluminum pipe, and is placed on the rotation frame in order to rotate the chuck unit and the guide core on the rotation frame according to the processing of the aluminum pipe. Therefore, the aluminum pipe bending guide apparatus for a roof rail of a vehicle using core insertion can prevent wrinkles or damage from occurring at a bending part of a workpiece by inserting a changeable guide core into the workpiece to be bent and bending the workpiece according to the bending direction and shape of the workpiece.

Description

A bending guide equipment for bending an aluminum pipe by inserting a core into an aluminum pipe for a roof rail of a vehicle}

The present invention relates to an aluminum pipe bending guide device for a roof rail of a vehicle using a core insert, and more specifically, inserts a guide core into a workpiece for bending, and moves the workpiece up and down according to the bending direction and shape of the workpiece, The present invention relates to an aluminum tube bending guide device for a roof rail of a vehicle using a core insertion that can prevent bending or damage to a bending portion of a workpiece by twisting it from side to side.

Roof rails are installed in vehicles such as wagon-type cars and vans to load cargo on the roof.

The roof rail includes a main bar installed in the front and rear directions of the vehicle body in the roof panel, and a crossbar may be installed in the horizontal direction on the left and right two main bars.

The main bar of the roof rail is manufactured by a metal beam to have sufficient durability and rigidity, and is bent to connect both ends to the roof of the vehicle. And the main bar is processed using a bending device.

However, the roof rail processing apparatus of the prior art as described above simply bends in a state where the metal beam is fixed, and thus there is a problem in that wrinkles are generated in a portion to be bent or damage such as scratches occurs.

Therefore, there is a need to improve this.

On the other hand, in Korean Patent Publication No. 10-2004-0106595 (published on: December 18, 2004), "the method of manufacturing a roof rack for automobiles" is disclosed, and Patent Publication No. 10-2013-0017070 (published on: 2013.02.19) discloses an "edge bending device".

The present invention was created by the necessity as described above, and inserts a guide core that can be deformed into the inside of the workpiece for bending, and bending the workpiece up and down and left and right according to the bending direction and shape of the workpiece, thereby bending the workpiece. The purpose of the present invention is to provide an aluminum tube bending guide device for a roof rail of a vehicle using a core insert to prevent wrinkles or damage from occurring.

In order to achieve the above object, the aluminum tube bending guide device for a roof rail of a vehicle using a core insert according to an aspect of the present invention, the main frame coupled to the bending machine, and the main frame can be rotated up and down, left and right It is provided with a rotating frame, a chuck unit for fixing the aluminum tube mounted on the bending machine, and a guide core for inserting or leaving the aluminum tube, and the chuck unit and the guide as the aluminum tube is processed. It characterized in that it comprises a bending guide frame provided on the rotating frame to rotate the core in the rotating frame.

In the present invention, the rotating frame, the first rotating unit is rotatably coupled to the main frame up and down, the bending guide frame is installed, the first rotating unit to rotate in a direction different from the rotation direction of the first rotating unit It characterized in that it comprises a second rotating unit that is rotatably coupled to the one rotating unit.

In the present invention, the first rotating unit is rotatably coupled to the inside of the main frame, and the first body in which the second rotating unit is installed, and hinged to the first body and the main frame, respectively. It characterized in that it comprises a first driving member for driving the first body.

In the present invention, the second rotating unit, the second body is rotatably coupled to the first body so that the bending guide frame is coupled, and the second body is coupled to the second body so as to be hinged to the first body. It characterized in that it comprises a second driving member for driving the body.

In the present invention, the bending guide frame is coupled to the rotating frame so that the guide core is coupled, a core operation unit for reciprocating the guide core, and the chuck unit, and the chuck according to the processing of the aluminum tube. It characterized in that it comprises a chuck rotation operation unit rotatably coupled to the rotating frame to rotate the unit.

In the present invention, the guide core is coupled to the core operation portion so as to be located inside the chuck rotating operation portion and is selectively inserted into the aluminum tube, and is characterized in that it is deformed together with the aluminum tube.

In the present invention, the guide core, the connecting member fixed to the bending guide frame, is coupled to the connecting member so as to be selectively inserted into the aluminum tube, the aluminum while bending along with the aluminum tube according to the processing of the aluminum tube It characterized in that it comprises a deformable support member to prevent the surface of the tube bending portion damage.

In the present invention, the guide core is characterized in that the slot portion is formed to smoothly deform together with the aluminum tube.

In the present invention, the core operation unit is fixed to the rotating frame so that the guide core is coupled, and includes a core moving member for linearly moving the guide core and a case coupled to the rotating frame to cover the core moving member. It is characterized by.

In the present invention, the chuck rotating operation unit is rotatably coupled to the rotating frame so that the guide core penetrates, and a rotating cover to which the chuck unit is coupled to an end portion is provided on the rotating frame to be connected to the rotating cover. It characterized in that it comprises a cover rotating member for rotating the rotating cover.

As described above, the aluminum tube bending guide device for a roof rail of a vehicle using a core insert according to an aspect of the present invention, after inserting a deformable guide core inside a workpiece for bending, unlike the prior art, Since the workpiece is bent according to the bending direction and shape of the workpiece, it has an effect of preventing wrinkles or damage from occurring in the bending portion of the workpiece.

1 is a perspective view showing an aluminum tube for an automobile roof rail according to an embodiment of the present invention.
2 is a perspective view showing an aluminum tube bending guide device for a roof rail of a vehicle using a core insert according to an embodiment of the present invention.
3 is an exploded perspective view for explaining an aluminum tube bending guide device for a roof rail of a vehicle using a core insert according to an embodiment of the present invention.
4 is a perspective view for explaining a main frame and a rotating frame according to an embodiment of the present invention.
5 is a view for explaining the operation of the first rotating unit of the rotating frame according to an embodiment of the present invention.
6 is a view for explaining the operation of the second rotating unit of the rotating frame according to an embodiment of the present invention.
7 is an enlarged perspective view of a main portion for describing a bending guide frame according to an embodiment of the present invention.
8 is a cross-sectional view illustrating a bending guide frame according to an embodiment of the present invention.
9 is a view showing the operation of the chuck rotating operation unit according to an embodiment of the present invention.
10 is a perspective view for explaining a guide core according to an embodiment of the present invention.
11 is a cross-sectional view showing a state in which a guide core according to an embodiment of the present invention is inserted into an aluminum tube.

Hereinafter, an embodiment of an aluminum pipe bending guide device for a roof rail of a vehicle using a core insert according to the present invention will be described with reference to the accompanying drawings. In this process, the thickness of the lines or the size of components shown in the drawings may be exaggerated for clarity and convenience.

In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or practice. Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is a perspective view showing an aluminum tube for an automobile roof rail according to an embodiment of the present invention.

2 is a perspective view showing an aluminum tube bending guide device for a roof rail of a vehicle using a core insert according to an embodiment of the present invention.

3 is an exploded perspective view for explaining an aluminum tube bending guide device for a roof rail of a vehicle using a core insert according to an embodiment of the present invention.

4 is a perspective view for explaining a main frame and a rotating frame according to an embodiment of the present invention.

5 is a view for explaining the operation of the first rotating unit of the rotating frame according to an embodiment of the present invention.

6 is a view for explaining the operation of the second rotating unit of the rotating frame according to an embodiment of the present invention.

7 is an enlarged perspective view of a main portion for describing a bending guide frame according to an embodiment of the present invention.

8 is a cross-sectional view illustrating a bending guide frame according to an embodiment of the present invention.

9 is a view showing the operation of the chuck rotating operation unit according to an embodiment of the present invention.

10 is a perspective view for explaining a guide core according to an embodiment of the present invention.

11 is a cross-sectional view showing a state in which a guide core according to an embodiment of the present invention is inserted into an aluminum tube.

1 to 11, the aluminum tube bending guide device for a roof rail of a vehicle using a core insert according to an embodiment of the present invention is used when bending an aluminum pipe 10 for a roof of a vehicle, Wrinkles and scratches on the surface of the bent aluminum tube 10 are prevented. At this time, the aluminum tube 10 is formed in a hollow square shape, and abrupt bending portions are formed at both ends.

In addition, the aluminum tube bending guide device for a roof rail of a vehicle using a core insert according to the present embodiment moves the aluminum tube 10 while being moved by the bending machine while fixing both ends of the aluminum tube 10 mounted on the bending machine. Bend, the aluminum tube 10 is rotated and bent in a state supported by the inner surface of the bending portion of the aluminum tube 10 to be bent.

To this end, the aluminum tube bending guide device for a roof rail of a vehicle using a core insert according to this embodiment includes a main frame 100 coupled to a bending machine and a rotating frame 200 rotatably provided on the main frame 100 And, for a stable bending of the aluminum tube 10 includes a bending guide frame 300 provided in the rotating frame 200. At this time, the bending guide frame 300 is provided with a chuck unit 310 for selectively fixing the aluminum tube 10.

The aluminum tube bending guide device for a roof rail of a vehicle using the core insertion according to the present embodiment is formed according to the bending direction and shape of the aluminum tube 10 processed using the rotating frame 200 and the bending guide frame 300. The aluminum tube 10 is rotated up and down, left and right, and twisted. Therefore, wrinkles are prevented from occurring in the bending portion of the bent aluminum tube 10.

The main frame 100 is formed in a "ㅁ" shape, one side is coupled to the bending machine, and the rotating frame 200 is rotatably coupled therein. The main frame 100 is moved in the bending machine according to the bending direction of the aluminum tube 10.

The rotating frame 200 is rotated up and down and left and right in the main frame 100 according to the bending direction of the aluminum tube 10 to rotate the bending guide frame 300. The rotating frame 200 includes a first rotating unit 210 whose both sides are rotatably coupled to the main frame 100, and a second rotating unit whose upper and lower surfaces are rotatably coupled to the first rotating unit 210 ( 220), the bending guide frame 300 is installed on the second rotating unit 220.

The first rotation unit 210 includes a first body 211 and a first driving member 213 to rotate the bending guide frame 300 up and down in the main frame 100.

The first body 211 is rotatably coupled to the inside of the main frame 100 on both sides through a hinge shaft and a bearing, and a second rotating unit 220 is rotatably installed therein. The first body 211 according to the present embodiment may be formed in a “ㅁ” shape.

The first driving member 213 is hinged to each of the first body 211 and the main frame 100 to drive the first body 211 in the vertical direction of the main frame 100. The first driving member 213 according to the present embodiment may be configured by two actuators, and when two actuators are integrally coupled, one actuator is hinged to the first body 211 and the other One actuator is hinged to the main frame 100.

The second rotation unit 220 is provided with a second body 221 and a second driving member 223 so that the bending guide frame 300 can be rotated from the first body 211 in the left and right directions of the main frame 100. Includes.

The second body 221 is rotatably coupled to the first body 211 from side to side, and a bending guide frame 300 is installed. The second body 221 includes a fixing block 221a for fixing the bending guide frame 300 and a rotation guide block 221b for guiding rotation of the bending guide frame 300.

The fixing block 221a is rotatably coupled to the inside of the first body 211 through the hinge shaft and the bearing, and the upper and lower surfaces are fixed so that the bending guide frame 300 penetrates into the center.

Rotation The rotation guide block 221b is coupled to one side of the fixed block 221a through a connecting rod 221c, and guides rotation of the bending guide frame 300. The rotation guide block 221b passes through the bending guide frame 300 to the central portion.

The second driving member 223 is hinged to one end and the other end of the first body 211 and the fixing blocks 221a of the second body 221, respectively. An actuator may be used as the second driving member 223 according to the present embodiment.

As described above, the rotating frame 200 according to the present invention can provide various bending directions of the aluminum tube 10 through the first rotating unit 210 and the second rotating unit 220, so it is more complicated and Not only can the aluminum tube 10 of various shapes be processed, but the aluminum tube 10 can be accurately bent.

The bending guide frame 300 is coupled to the chuck unit 310 so that the aluminum tube 10 is fixed and bent, and the chuck unit 310 is second body 221 according to the bending direction of the aluminum tube 10. Rotates in the center of.

The bending guide frame 300 includes a guide core 320 inserted into an aluminum tube 10 for bending, a core operation unit 330 for moving the guide core 320, and a chuck unit 310. It includes a chuck rotation operation unit 340 for the rotation of.

The guide core 320 is coupled to the core operation part 330 to be inserted into the aluminum tube 10 so as to prevent wrinkles and scratches from being generated on the outer surface of the bending part of the aluminum tube 10 to be processed. To this end, the guide core 320 is coupled to the core operation portion to be located inside the chuck rotational operation portion 340, and is inserted into the aluminum pipe 10 and deformed together with the aluminum pipe 10, so that the aluminum pipe 10 is It is supported in contact with the inner surface of the bending portion. Specifically, the guide core 320 is a connecting member 321 fixed to the core operation unit 330, and inserted into the inner surface of the aluminum tube 10, the deformable support member 323 that is bent together with the aluminum tube 10 It includes.

The connecting member 321 is made of metal and is connected to the core operation unit 330 through bolts and nuts.

Deformation support member 323 is coupled to the connecting member 321 through a bolt and a nut to be selectively inserted into the aluminum tube 10 by the core operation unit 330. The deformable support member 323 supports the inner surface of the aluminum tube 10 while bending along with the aluminum tube 10 according to the processing of the aluminum tube 10. Through this, wrinkles or scratches can be prevented from occurring on the outer and inner surfaces of the bending portion of the aluminum tube 10.

In addition, the deformation support member 323 is formed with a slot portion 323a to enable smooth deformation together with the aluminum tube 10. The deformable support member 323 according to the present embodiment may be formed in a circular or polygonal shape according to the shape of the aluminum tube 10, and the formation position and spacing of the slot portion 323a may be variously changed.

The core operation unit 330 is coupled to the fixed block 221a of the second body 221, and selectively moves the guide core 320 reciprocally to insert or leave the aluminum tube 10. To this end, the core operation unit 330 is fixed to cover the core moving member 331 and the core moving member 331 coupled to the fixing block 221a of the second body 221 so that the guide core 320 is coupled. It includes a case 333 coupled to the block (221a).

The core moving member 331 is configured by an actuator, and the connecting member 321 of the guide core 320 is coupled to the cylinder rod. The core moving member 331 moves the guide core 320 in a straight line to be inserted into the aluminum tube 10 or detached from the aluminum tube 10.

For example, the core moving member 331 linearly moves the guide core 320 to the outside of the chuck rotating operation unit 340 before processing the aluminum tube 10, inserts it into the aluminum tube 10, and When the processing of 10) is completed, the guide core 320 is detached from the aluminum tube 10 and placed inside the chuck rotating operation part 340.

The case 333 is selectively coupled to the balance member 335 so that the center of gravity of the bending guide frame 300 is stably maintained.

The chuck rotation operation unit 340 is rotatably coupled to the fixed block 221a and the rotation guide block 221b, and rotates the chuck unit 310 installed at the end forward and backward. The chuck rotation operation unit 340

Specifically, the chuck rotation operation unit 340 is rotated to the rotating cover 341 and the rotating cover 341 rotatably coupled to the fixed block 221a and the rotating guide block 221b so that the guide core 320 penetrates. It includes a cover rotating member 343 provided in the rotation guide block (221b) for.

The rotation cover 341 is formed in a cylinder so that the guide core 320 penetrates, one end is rotatably coupled to the fixed block 221a through a bearing, and the other end penetrates the rotation guide block 221b to chuck the unit. It is combined with 310.

The cover rotation member 343 is provided on the rotation guide block 221b to be connected to the rotation cover 341 to rotate the rotation cover 341 in the second rotation unit 220. The cover rotating member 343 may be configured by an actuator, the cylinder rod is hinged to the rotating cover 341 via a hinge pin, and the cylinder housing is hinged to the rotating guide block 221b through a hinge pin. .

The chuck unit 310 includes a clamp block 311 coupled to the other end of the rotating cover 341 and a holder member 313 provided on the clamp block 311 to selectively fix the aluminum tube 10. . The guide block 320 penetrates the clamp block 311 and is paired with the holder member 313 to fix the end portion of the aluminum tube 10.

The holder member 313 securely fixes the aluminum tube 10 through a holder moved by an actuator.

The operation of the aluminum tube bending guide device for a roof rail of a vehicle using a core insert according to an embodiment of the present invention configured as described above will be described.

When the aluminum pipe 10 is mounted on the bending machine, the aluminum pipe bending guide device is moved from the bending machine to the aluminum pipe 10 so that the end portion of the aluminum pipe 10 is fixed to the chuck unit 310, so that the aluminum pipe 10 The end of the is inserted into the chuck unit 310.

And while the holder member 313 of the chuck unit 310 operates, the aluminum tube 10 is fixed to the chuck unit 310, and the core operation unit 330 is driven to deform the support member 323 of the guide core 320 ) Is inserted into the aluminum tube 10 to support the inner surface of the aluminum tube 10.

Thereafter, when the aluminum tube bending guide device is operated so that the bending machine bends the aluminum tube 10, the chuck rotation operation unit 340, the first rotation unit 210, and the second rotation according to the position movement of the aluminum tube bending guide device. As the unit 220 is operated, the position of the chuck unit 310 is adjusted according to the bending direction and position of the aluminum tube 10.

Through this, since the aluminum tube 10 to be processed can be rotated and twisted in various directions to bend, it is possible to process the aluminum tube 10 of a complicated shape at once without going through several steps of processing.

In particular, since the guide core 320 is inserted into the bending portion of the aluminum tube 10 to support the inner surface of the aluminum pipe 10, it is possible to prevent wrinkles or scratches from occurring in the bending portion.

The present invention has been described with reference to the embodiment shown in the drawings, but this is merely exemplary, and those skilled in the art to which the art belongs can various modifications and equivalent other embodiments from this. Will understand.

Therefore, the true technical protection scope of the present invention should be defined by the claims.

100: main frame 10: aluminum tube
200: rotating frame 210: first rotating unit
211: first body 213: first driving member
220: second rotation unit 221: second body
223: second driving member 300: bending guide frame
310: chuck unit 311: clamp block
313: holder member 320: guide core
321: connecting member 323: deformation supporting member
330: core operation unit 333: case
331: core moving member 340: chuck rotation operation unit
341: bell cover 343: cover rotating member

Claims (7)

A main frame coupled to the bending machine; A rotating frame provided rotatably up and down and left and right on the main frame; And a chuck unit for fixing an aluminum tube mounted on the bending machine and a guide core for inserting or leaving the aluminum tube, and the chuck unit and the guide core in the rotating frame as the aluminum tube is processed. Includes; a bending guide frame provided on the rotating frame to rotate,
The rotating frame includes: a first rotating unit rotatably coupled to the main frame; And a second rotating unit in which the bending guide frame is installed and rotatably coupled to the first rotating unit to rotate in a rotation direction different from the rotation direction of the first rotating unit.
The first rotating unit, the first body is rotatably coupled to the interior of the main frame, the second rotating unit is installed therein; And a first driving member that is hinged to the first body and the main frame to drive the first body, respectively.
The second rotating unit includes: a second body rotatably coupled to the first body so that the bending guide frame is coupled; And a second driving member coupled to the second body to hingely connect to the first body to drive the second body.
Aluminum pipe bending guide device for a roof rail of a vehicle using a core insert comprising a.
delete According to claim 1,
The bending guide frame is coupled to the rotating frame so that the guide core is coupled, and a core operation unit reciprocating the guide core; And
The chuck unit is installed, the chuck rotation operation unit rotatably coupled to the rotating frame to rotate the chuck unit according to the processing of the aluminum tube;
Aluminum pipe bending guide device for a roof rail of a vehicle using a core insert comprising a.
The method of claim 3,
The guide core is coupled to the core operation portion so as to be located inside the chuck rotating operation portion and is selectively inserted into the aluminum pipe, and is used for a roof rail of a vehicle using a core insertion, characterized in that it is deformed together with the aluminum pipe. Aluminum pipe bending guide device.
According to claim 1,
The guide core includes a connecting member fixed to the bending guide frame; And
A deformable support member coupled to the connecting member so as to be selectively inserted into the aluminum tube and preventing bending surface damage of the aluminum tube while bending along with the aluminum tube according to the processing of the aluminum tube;
Aluminum pipe bending guide device for a roof rail of a vehicle using a core insert comprising a.
The method of claim 4 or 5,
The guide core, the aluminum tube bending guide device for a roof rail of a vehicle using a core insert, characterized in that the slot portion is formed to be deformable together with the aluminum tube.
The method of claim 3,
The core operation unit is fixed to the rotating frame so that the guide core is coupled, a core moving member for moving the guide core in a straight line; And
Includes; a case coupled to the rotating frame to cover the core moving member,
The chuck rotation operation unit is rotatably coupled to the rotation frame so that the guide core penetrates, and a rotation cover to which the chuck unit is coupled to an end portion; And
A cover rotation member provided on the rotation frame to be connected to the rotation cover to rotate the rotation cover;
Aluminum pipe bending guide device for a roof rail of a vehicle using a core insert comprising a.

Images