KR101518893B1 - Panel indent marking apparatus for vehicle - Google Patents

Abstract

According to the present invention, disclosed is an indentation marking device for automotive panels. According to an embodiment of the present invention, the device comprises a base frame mounted in front of the plate at the end of robot arms; a first moving unit that includes a moving plate movable from left to right on the base frame; a first moving block on the moving plate mounted in ways to move left to right from the moving plate through a motor; a second moving unit that includes a first rail block; a third moving unit connected with the first moving block that includes the second moving block connected through cylindrical up-and-down movements; and a laser unit mounted on the second moving block on third moving unit that marks a vehicle identification number by irradiating a laser beam on the panel by the movements of the first, second, and third moving units and cleans the panel by irradiating a laser beam on the upper part of the vehicle identification number.

Description

[0001] PANEL INDENT MARKING APPARATUS FOR VEHICLE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a vehicle panel imprinting apparatus, and more particularly, to a vehicle panel imprinting apparatus which uses a laser beam to imprint a unique car identification number secured to a panel to be imprinted.

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In general, when a completed vehicle is assembled, a unique vehicle identification number (VIN) is assigned to each vehicle, and the vehicle identification number enters the corresponding process at the vehicle body assembly factory And the corresponding vehicle identification number is stamped on the vehicle body portion so that it can be recognized.

Such a work of stamping a vehicle number is usually performed by engraving a vehicle number on a vehicle body panel using a stamping device on a vehicle body assembly line.

That is, after the engraving apparatus moves to the engraved position on the panel, the predetermined engraving contents are engraved, and the engraving apparatus is returned to the original position.

For example, the engraving apparatus for performing engraving work includes a server that stores information data on the vehicle type and vehicle identification number information of the vehicle type, and a PLC (Programmable Ladder Logic Controller ) Control system, it goes without saying that this can be variously configured on the body assembly line.

However, in the conventional vehicle paneling apparatus as described above, since the strength of the engraved pin directly engraved on the panel is fixed, the panel can not correspond to the panel made of various materials, There is a problem that the identification of the vehicle identification number is impossible or impractical because the identification of the vehicle identification number is not possible.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to provide a method of manufacturing a laser beam, The present invention is to provide an automobile panel imprinting apparatus which can ensure a good visibility of imprinted car numbers irrespective of the strength of a panel made of various materials by cleaning the upper portion of the car number imprinted on the panel.

To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein, there is provided a vehicle panel imprinting apparatus comprising: a base frame mounted in front of a mounting plate mounted on an arm end of a robot; A first moving unit configured to include a moving plate that is mounted so as to be capable of reciprocating in a lateral direction in the base frame; A first moving block mounted on the moving plate, the first moving block mounted movably in the forward and backward directions from the moving plate by motor driving, and the second moving unit comprising the first rail block; A third moving unit connected to the first moving block and including a second moving block movable up and down by a cylinder drive; And a second moving block mounted on the second moving block of the third moving unit, the panel number being imprinted by irradiating the panel with a laser beam through the operation of the first, second and third moving units, And a laser unit mounted on the second moving block for irradiating a laser beam emitted from the laser oscillator to an upper portion of the panel on which a vehicle number is stamped, ; And an air supply unit mounted on a front end of the laser optical head and supplying air to a protective glass mounted inside the laser optical head, And the laser beam of the non-focal region is irradiated to the panel on which the vehicle number is imprinted to complete the cleaning operation on the panel.

The first moving unit includes a first driving motor in which a rotating shaft is mounted downward at one end of the base frame; A first driving pulley connected to a rotating shaft of the first driving motor and rotatably mounted on one end of the base frame; A first driven pulley rotatably mounted on the other end of the base frame corresponding to the first drive pulley; And at least one first belt that interconnects the first drive pulley and the first driven pulley to transmit rotational force of the first drive motor and the moving plate is fixedly mounted in front of the first drive pulley.

The first driving motor may be a servo motor capable of adjusting the rotational speed and the rotational direction thereof.

The first belt may be spaced apart from the first drive pulley and the first driven pulley along a vertical direction at three predetermined intervals.

The second moving unit includes a mounting frame mounted on the moving plate; A lead screw rotatably mounted on a lower portion of one side of the mounting frame in the front and rear direction and having a second driven pulley mounted on a front end thereof; A second driving motor mounted on one surface of the mounting frame corresponding to the lead screw and having a second driving pulley mounted on a rotating shaft; And a second belt interconnecting the second drive pulley and the second driven pulley to transmit the rotational force of the second drive motor.

The second driving motor may include a servomotor capable of adjusting the rotational speed and the rotational direction thereof.

The first moving block may be installed to be movable on the lead screw when the lead screw is rotated in a state where the first moving block is sandwiched between the lead screws.

The first rail block may be slidably mounted on one side of the mounting frame on a first guide rail installed on upper and lower sides with respect to the lead screw.

The third moving unit comprising: a vertical frame mounted to the first moving block and the first rail block; An actuating cylinder including an actuating rod, mounted on the upper portion of the vertical frame, the actuating cylinder having the second moving block mounted on the leading end of the actuating rod mounted downward; A second rail block mounted on one surface of the second moving block facing the vertical frame; And a second guide rail mounted on the vertical frame corresponding to the second rail block, and the second rail block is slidably mounted.

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The width of the laser beam in the non-focal region may be set to be larger than the width of the laser beam in the focal region.

Wherein the air supply means includes a mounting cap mounted on the tip of the laser optical head, And at least one air nozzle formed in the mounting cap, for spraying air supplied into the mounting cap.

The air nozzle may be formed at a position spaced apart from the mounting cap by a predetermined angle along the circumference of the mounting cap.

According to the vehicle panel imprinting apparatus according to the embodiment of the present invention configured as described above, a unique chassis number is stamped on the panel using the laser beam of the focal interval, and the laser beam imprinted on the panel By cleaning the upper portion of the vehicle identification number, there is an effect of ensuring good visibility of the imprinted vehicle identification number irrespective of the strength of the panel made of various materials.

In addition, by engraving the chassis number on the panel using the laser beam, the engraving speed can be improved as compared with the system using the conventional engraved pin, the engraved pin used as the consumable can be removed, the replacement cost can be reduced, There is also an effect of improving the quality by engraving the vehicle number in depth.

In addition, by performing the cleaning of the panel in which the vehicle number is imprinted with the laser beam of the non-focal region simultaneously after marking the vehicle number on the panel with the laser beam of the focal zone, the cycle time of the vehicle number marking process is reduced to improve the productivity There is also an effect.

1 is a perspective view of a vehicle panel imprinting apparatus according to an embodiment of the present invention.
2 is an enlarged view of a portion A in Fig.
3 is a cross-sectional view taken along line BB in Fig.
4 is a step-by-step operational state diagram of a vehicle panel imprinting apparatus according to an embodiment of the present invention.
5 is an operational state diagram of a laser unit applied to a vehicle panel imprinting apparatus according to an embodiment of the present invention.

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

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not restrictive of the invention, It should be understood that various equivalents and modifications may be present.

In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

And throughout the specification, when an element is referred to as " comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

It should be noted that terms such as " ... unit ", " unit of means ", " part of item ", " absence of member ", and the like denote a unit of a comprehensive constitution having at least one function or operation it means.

FIG. 1 is a perspective view of a vehicle panel imprinting apparatus according to an embodiment of the present invention, FIG. 2 is an enlarged view of a portion A of FIG. 1, and FIG. 3 is a sectional view taken along line B-B of FIG.

Referring to the drawings, a vehicle panel imprinting apparatus 100 according to an embodiment of the present invention uses a laser beam L1 of a focal zone to mark a chassis number unique to a panel P, The upper portion of the vehicle identification number imprinted on the panel P is cleaned by the use of the lens L2 so as to ensure a good visibility of the vehicle identification number imprinted regardless of the strength of the panel P made of various materials.

1, the vehicle panel imprinting apparatus 100 according to the embodiment of the present invention includes a base frame 103, a first moving unit 110, a second moving unit 120, 3 mobile unit 130, and a laser unit 140.

First, the base frame 103 is mounted in front of a mounting plate 101 mounted on the arm end of a robot (not shown).

In the present embodiment, the first moving unit 110 includes a moving plate 111 mounted to be reciprocally movable in the left and right direction in the base frame 103.

The first moving unit 110 includes a first driving motor 113, a first driving pulley 115, a first driven pulley 117, and a first belt 119.

First, the first driving motor 113 is mounted such that the rotation axis of the first driving motor 113 is directed downward from one end of the base frame 103.

Here, the first driving motor 113 may be a servo motor capable of adjusting the rotational speed and the rotational direction thereof.

In this embodiment, the first drive pulley 115 is connected to the rotation axis of the first drive motor 113, and is rotatably mounted on one end of the base frame 103.

The first driven pulley 117 is rotatably mounted at the other end of the base frame 103 corresponding to the first drive pulley 115.

The first belt 119 is connected to the first drive pulley 115 and the second drive pulley 117 to transmit the rotational force of the first drive motor 113 to the first driven pulley 117 through the first drive pulley 115, And the first driven pulley 117 are connected to each other, and the moving plate 111 is fixedly mounted on the front side.

Here, the first belt 119 may be spaced apart from the first drive pulley 115 and the first driven pulley 117 by a predetermined interval along the vertical direction.

That is, when the first drive motor 113 rotates in the forward or reverse direction, the first drive pulley 115, which receives the rotational force, is rotated, The first belt 119 connected to the first frame 117 is moved left and right on the base frame 103.

Accordingly, the moving plate 111 moves left and right on the base frame 103 together with the moving first belt 119.

The second moving unit 120 includes a first moving block 126 mounted on the moving plate 111 and movably mounted in the forward and backward directions from the moving plate 111 by motor driving, And a first rail block (127).

The second moving unit 120 further includes a mounting frame 121, a lead screw 122, a second driving motor 124, and a second belt 126, as shown in Fig.

First, the mounting frame 121 is mounted on the front surface of the moving plate 111.

In the present embodiment, the lead screw 122 is rotatably mounted to the lower portion of one side of the mounting frame 121 in the forward and backward directions, and the second driven pulley 123 is mounted on the front end thereof.

The first moving block 126 may be installed to be movable in the forward and backward directions on the lead screw 122 when the lead screw 122 is rotated while being inserted into the lead screw 122 have.

The second driving motor 124 is mounted on one surface of the mounting frame 121 corresponding to the lead screw 122 and the second driving pulley 125 is mounted on the rotating shaft.

The second driving motor 124 may be a servo motor capable of adjusting the rotational speed and the rotational direction thereof.

The second belt 126 interconnects the second drive pulley 125 and the second driven pulley 123 to transmit the rotational force of the second drive motor 124.

On the other hand, the first rail block 127 is slidably moved on a first guide rail 128 installed on the upper surface and the lower surface of the mounting frame 121 with respect to the lead screw 122, As shown in FIG.

That is, when the second driving motor 124 is rotated in the forward or reverse direction, the second driving unit 125, which receives the rotational force, The first moving block 126 is moved in the forward and backward directions on the lead screw 122 by forwarding the lead screw 122 to the second driven pulley 123 and rotating the lead screw 122 in the forward or reverse direction.

In the present embodiment, the third moving unit 130 includes a second moving block 131 connected to the first moving block 126 and movable upward and downward by a cylinder drive, do.

Here, the third moving unit 130 further includes a vertical frame 133, an actuating cylinder 135, a second rail block 137, and a second guide rail 139.

First, one side of the vertical frame 133 corresponding to the second moving unit 120 is mounted to the first moving block 126 and the first rail block 127.

The actuating cylinder 135 includes an actuating rod R and is mounted on the upper part of the vertical frame 133 so that the second moving block 131 is mounted on the tip of the actuating rod R do.

The second rail block 137 is mounted on one side of the second moving block 131 facing the vertical frame 133 and the second guide rail 139 is mounted on one side of the second rail block 131, The second rail block 137 is mounted on the vertical frame 133 in correspondence with the first rail 137, and the second rail block 137 is slidably mounted.

That is, the second rail block 137 is operated such that the actuating rod R of the actuating cylinder 135 is operated forward and backward so that the second moving block 131 is moved up and down on the vertical frame 133 The second guide rail 139 is moved along the second guide rail 139 while the second movement block 131 is stably guided upward and downward.

The third moving unit 130 configured as described above moves the second moving block 131 upward or downward on the vertical frame 133 through the operation of the operating cylinder 135.

The laser unit 140 is mounted on the second moving block 131 of the third moving unit 130 and is operated through the operation of the first, second, and third moving units 110, 120, The panel P is irradiated with the laser beam L to imprint the vehicle number and the panel P is irradiated with the laser beam L on the panel P at the top of the imprinted vehicle number to clean the panel P, .

The laser unit 140 includes a laser beam L mounted on the second moving block 131 and irradiating a laser beam L emitted from the laser oscillator 143 to an upper portion of the panel P And an air supply means 150 mounted on the tip of the laser optical head 141 and supplying air to the protective glass 145 mounted inside the laser optical head 141.

The laser optical head 141 irradiates the laser beam L1 of the focal section when the chassis number is imprinted on the panel P to imprint the chassis number, and after completion of imprinting of the chassis number, L2 may be applied to the panel P to which the chassis number is stamped to perform the cleaning operation on the panel P.

Here, the width of the laser beam L2 in the non-focal region may be set to be larger than the width of the laser beam L1 in the focal region.

3, the air supply unit 150 includes the protective glass 145 therein. The protective glass 145 is mounted on the tip of the laser optical head 141, And at least one air nozzle 153 formed in the mounting cap 151 and jetting air supplied to the inside of the mounting cap 151.

Here, the air nozzle 153 may be formed at a position spaced apart from the outer periphery of the mounting cap 151 by a predetermined angle. In this embodiment, the air nozzle 153 may be spaced apart from the mounting cap 151 by an angle of 120 ° And the air is sprayed toward the center of the protective glass 145 to prevent moisture from being generated on the protective glass 145 on the opposite side from which the air flows.

Accordingly, when moisture is generated in the protective glass 145, the laser beam L emitted from the laser optical head 141 is prevented from being diffused through the air supply means 150, The vehicle number can be imprinted without generating the melt around the chassis number imprinted on the panel P, thereby improving the engraving quality.

Hereinafter, the operation and operation of the vehicle panel imprinting apparatus 100 according to the embodiment of the present invention will be described in detail.

FIG. 4 is a view showing a step-by-step operation state of a vehicle panel imprinting apparatus according to an embodiment of the present invention, and FIG. 5 is an operational state diagram of a laser unit applied to a vehicle panel imprinting apparatus according to an embodiment of the present invention.

First, the panel imprinting apparatus 100 is moved on the panel P by the behavior of the robot, which is not shown, to the position where the chassis number is to be imprinted.

4 (S1), the panel imprinting apparatus 100 moves the laser beam from the start position (right side in the figure) of the vehicle number to the laser unit (right side) through the operation of the first moving unit 110 The actuating cylinder 135 of the third moving unit 130 is operated so that the laser beam L1 of the focal section from the laser optical head 141 as shown in S1 of FIG. The position of the laser optical head 141 is moved from above the panel P to be irradiated.

The panel imprinting apparatus 100 then moves the laser optical head 141 back and forth with respect to the laser optical head 141 through the operation of the second moving unit 120 and moves through the operation of the first moving unit 110 The panel number is marked on the panel P while moving the plate 111 from the right side to the left side with reference to the drawing.

4 (S2), the third moving unit 130 moves the operating rod R of the actuating cylinder 135 backward to engage with the second moving block 135, (131) is moved upward.

Then, the laser optical head 141 irradiates the upper part of the panel P on which the vehicle number is stamped, with the laser beam L2 of the non-focal region, as shown in (S20) of FIG.

The first moving unit 110 drives the first driving motor 113 to drive the first driving pulley 115 and the first driven belt 117 via the first driven pulley 117 From the right side to the left side.

Accordingly, the second moving unit 120 is moved along the moving plate 111 which is moved together with the first belt 119.

Then, the laser optical head 141 of the laser unit 140 mounted through the third moving unit 130 to the second moving unit 120 moves the laser beam 140 in the non- The upper part of the panel P on which the chassis number is stamped is cleaned by irradiating the upper part of the panel on which the chassis number is stamped with the chassis number L2.

Therefore, by applying the vehicle panel imprinting apparatus 100 according to the embodiment of the present invention configured as described above, a unique chassis number is stamped on the panel P using the laser beam L1 of the focal section, The upper part of the chassis number imprinted on the panel P is cleaned using the laser beam L2 of the non-focal region to ensure good visibility of the imprinted chassis number irrespective of the strength of the panel P made of various materials .

In addition, by imprinting the chassis number on the panel P using the laser beam L, the engraving speed can be improved as compared with the system using the conventional engraved pin, and the engraved pin used as the consumable can be eliminated, And the quality of the panel P can be improved by marking the chassis number at the same depth.

In addition, after the chassis number is stamped on the panel P with the laser beam L1 of the focal zone, cleaning of the panel P in which the chassis number is imprinted with the laser beam L2 of the non- The productivity can be improved by reducing the cycle time of number stamping process.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood that various modifications and changes may be made without departing from the scope of the appended claims.

100: panel imprinting device 101: mounting plate
103: base frame 110: first moving unit
111: moving plate 113: first driving motor
115: first drive pulley 117: first driven pulley
119: first belt 120: second moving unit
121: mounting frame 122: leadscrew
123: second driven pulley 124: second drive motor
125: second driving pulley 126: first moving block
127: first rail block 128: first guide rail
130: third moving unit 131: second moving block
133: Vertical frame 135: Working cylinder
137: second rail block 139: second guide rail
140: Laser unit 141: Laser optical head
143: laser oscillator 145: protective glass
150: air supply means 151: mounting cap
153: Air nozzle L: Laser beam
P: Panel R: Operating rod

Claims (14)

A base frame mounted in front of a mounting plate mounted on an arm end of the robot;
A first moving unit configured to include a moving plate that is mounted so as to be capable of reciprocating in a lateral direction in the base frame;
A first moving block mounted on the moving plate, the first moving block mounted movably in the forward and backward directions from the moving plate by motor driving, and the second moving unit comprising the first rail block;
A third moving unit connected to the first moving block and including a second moving block movable up and down by a cylinder drive; And
And a second moving block mounted on a second moving block of the third moving unit, irradiating the panel with a laser beam through operations of the first, second, and third moving units to imprint the vehicle number, And a laser unit for cleaning the panel by irradiating the laser beam,
The laser unit
A laser optical head mounted on the second moving block for irradiating a laser beam emitted from a laser oscillator to an upper portion of a panel on which a vehicle number is stamped; And
And an air supply unit mounted at a front end of the laser optical head and supplying air to the protective glass mounted inside the laser optical head,
The laser optical head irradiates a laser beam of a focal zone when the chassis number is imprinted on the panel, and marks the chassis number of the laser beam. After completing the imprint of the chassis number, the laser beam of the non- And carries out a cleaning operation on the panel. The method according to claim 1,
The first mobile unit
A first driving motor in which a rotating shaft is mounted downward at one end of the base frame;
A first driving pulley connected to a rotating shaft of the first driving motor and rotatably mounted on one end of the base frame;
A first driven pulley rotatably mounted on the other end of the base frame corresponding to the first drive pulley; And
At least one first belt interconnecting the first drive pulley and the first driven pulley so as to transmit rotational force of the first drive motor and having the moving plate fixedly mounted in front thereof;
Wherein the vehicle panel engraving device comprises: 3. The method of claim 2,
The first drive motor
And a servo motor capable of adjusting the number of revolutions and the direction of rotation of the servomotor. 3. The method of claim 2,
The first belt
Wherein three of the first driven pulleys and the first driven pulleys are spaced at predetermined intervals along the vertical direction. The method according to claim 1,
The second mobile unit
A mounting frame mounted on the moving plate;
A lead screw rotatably mounted on a lower portion of one side of the mounting frame in the front and rear direction and having a second driven pulley mounted on a front end thereof;
A second driving motor mounted on one surface of the mounting frame corresponding to the lead screw and having a second driving pulley mounted on a rotating shaft; And
A second belt interconnecting the second drive pulley and the second driven pulley to transmit rotational force of the second drive motor;
Wherein the vehicle panel engraving device comprises: 6. The method of claim 5,
The second drive motor
And a servo motor capable of adjusting the number of revolutions and the direction of rotation of the servomotor. 6. The method of claim 5,
The first moving block
Is mounted on the lead screw so as to be movable on the lead screw when the lead screw is rotated in a state of being fitted to the lead screw. 6. The method of claim 5,
The first rail block
Wherein the mounting frame is slidably mounted on a first guide rail provided on each of upper and lower surfaces of the mounting frame with respect to the leadscrew. The method according to claim 1,
The third mobile unit
A vertical frame mounted to the first moving block and the first rail block;
An actuating cylinder including an actuating rod, mounted on the upper portion of the vertical frame, the actuating cylinder having the second moving block mounted on the leading end of the actuating rod mounted downward;
A second rail block mounted on one surface of the second moving block facing the vertical frame; And
A second guide rail mounted on the vertical frame corresponding to the second rail block, the second guide rail being slidably mounted on the second rail block;
And an engaging portion for engaging the engaging portion. delete delete The method according to claim 1,
The laser beam of the non-
And the width of the laser beam is set to be larger than the laser beam of the focus period. The method according to claim 1,
The air supply means
A mounting cap mounted on the tip of the laser optical head, the mounting cap having the protective glass therein; And
At least one air nozzle formed in the mounting cap for jetting air supplied into the mounting cap;
And an engaging portion for engaging the engaging portion. 14. The method of claim 13,
The air nozzle
And wherein the engaging portion is formed at a position spaced apart from the outer circumference of the mounting cap by a predetermined angle.

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