TWI830529B - Laser processing device and method - Google Patents

Abstract

A device, used for laser processing a film, the device comprising: a first unwinding unit used to coordinate the transfer of a film to a first laser processing unit; the first laser processing unit used for ablating a first surface of the film and outputting the film to the first roller group; the first roller group used for turning the film upside down and outputting the film to a second roller group; the second roller group receiving the film and outputting the film to a second laser processing unit; the second laser processing unit used for ablating a second surface of the film and outputting the film to a third roller group; a second unwinding unit used for coordinate the transfer of a base material to the third roller group; the third roller group outputting the film and the base material to a third laser processing unit; the third laser processing unit comprising a sucking unit for sucking the film so that the film could be abutted against base material properly, the third laser processing unit laser cutting the film and outputting the film and the base material to a fourth roller group; and the fourth roller group separating the film and the base material.

Description

Laser processing device and method

The present invention relates to a laser processing device and method, which mainly provides a plurality of sets of laser processing units and roller sets so that the sheet can be laser processed while the sheet is continuously moving.

With traditional laser processing devices, if you want to ablate or etch a surface pattern on a piece of material, the usual steps are to stop the movement of the sheet when you want to ablate the pattern at a certain position. After the pattern is ablated, move the sheet Move the sheet forward, then stop the sheet, and then perform pattern ablation at the next position. However, such devices and methods will lengthen the overall process time and increase production costs.

A laser processing device for laser processing a piece of material. The device includes: a first unloading unit for outputting the sheet to a first laser processing unit; the first laser processing unit The unit is used to ablate a first side of the sheet and output it to a first roller group; the first roller group is used to flip the sheet up and down and output it to a second roller group; the second roller group receives the sheet and outputs it to a second laser processing unit; the second laser processing unit is used to ablate a second side of the sheet and output it to a first Three roller groups; a second unloading unit for outputting a base material to the third roller group; the third roller group outputs the sheet and the base material to a third laser processing unit; the The third laser processing unit includes a suction unit for sucking the sheet so that the sheet and the base material fit properly. The third laser processing unit performs laser cutting on the sheet and then combines the sheet with the base material. The substrate is output to a fourth roller group; and the fourth roller group separates the sheet from the substrate.

In the laser processing device of the present invention, the rotation speed ratio of the first roller group and the second roller group is controlled to maintain appropriate tension of the sheet when the first laser processing unit performs ablation.

In the laser processing device of the present invention, the rotation speed ratio of the second roller group and the third roller group is controlled to maintain appropriate tension of the sheet when the second laser processing unit performs ablation.

In the laser processing device of the present invention, a first feeding distance of the first laser processing unit is set. When the feeding unit measures that the sheet has advanced the first feeding distance, the first feeding distance is controlled. The laser processing unit ablates the first surface of the sheet to generate at least a first pattern, while the sheet still maintains a continuous feeding state.

The laser processing device of the present invention further includes a first detection unit located between the first laser unit and the first roller group for detecting each ablation of the sheet in the first laser processing unit. Is the spacing between the first graphics correct?

In the laser processing device of the present invention, a second feeding distance of the second laser processing unit is set. When the feeding unit measures that the sheet has advanced the second feeding distance, the second feeding distance is controlled. The laser processing unit ablates the second surface of the sheet to produce a second pattern, while the sheet still maintains a continuous feeding state.

The laser processing device of the present invention further includes a second detection unit located between the second laser processing unit and the third roller group for detecting each time the sheet is processed by the second laser processing unit. Is the spacing between the second ablated graphics correct?

In the laser processing device of the present invention, the second detection unit can further correct a relative position error between the first laser processing unit and the second laser processing unit during ablation.

In the laser processing device of the present invention, the rotation speed ratio of the third roller group and the fourth roller group is controlled to maintain appropriate tension of the sheet when the third laser processing unit is cutting.

The laser processing device of the present invention further includes a third detection unit located between the third roller group and the third laser processing unit. The third detection unit is used to detect the movement of the sheet under the second laser. The processing unit ablates a piece of position information and outputs it to the third laser processing unit, so that the third laser processing unit cuts the sheet according to the position information.

The laser processing device of the present invention further includes a fourth detection unit located between the third laser processing unit and the fourth roller group for detecting when the third laser processing unit cuts the sheet. a third pattern and adjust the third laser processing unit accordingly.

In the laser processing device of the present invention, the substrate is paper.

The laser processing device of the present invention further includes: a first cleaning unit for receiving and cleaning the sheet output by the fourth roller group, and outputting it to a fifth roller group; the fifth roller group , for receiving the sheet and outputting the sheet to a second cleaning unit; and the second cleaning unit for receiving and cleaning the sheet, and outputting it to a sixth roller group; wherein, control The rotation speed ratio of the fourth roller group, the fifth roller group and the sixth roller group enables the sheet to maintain appropriate tension in the first cleaning unit and the second cleaning unit.

The laser processing device of the present invention further includes: a third discharge unit for outputting a PET material to the sixth roller group; the sixth roller group is used to receive the sheet and the PET material and output them to A static electricity generating unit; the static electricity generating unit is used to generate static electricity to make the sheet material and the PET material closely adhere to each other.

The laser processing device of the present invention further includes a rechecking device for receiving the sheet output from the static electricity generating unit and rechecking the cutting accuracy on the sheet.

101: Unloading unit

1011:Servo motor

1013: Tension wheel

102:Sheet

103: Unloading unit

1031: Discharging servo motor

1033: Tension wheel

104:Substrate

105: Receiving unit

1051: Rewinding servo motor

1053: Tension wheel

106:Isolation material

107: Unloading unit

1071: Discharging servo motor

1073: Tension wheel

109: Rewinding unit

111,113,115:Laser processing unit

1112,1132,1152:Laser head

141,142,143,144,145,146,147,148,149: Roller set

151,153,155,157: Detection unit

121,123:Cleaning unit

131:Recheck device

133: Static electricity generating rod

X: Fixed feeding distance

A,B,C: Pattern

Figure 1 is a schematic diagram of the laser processing device of the present invention.

Figure 2 is a partial enlarged view of the laser processing unit 111 in Figure 1 .

Figure 3 is a schematic diagram of the sheet 102 being discharged to the laser processing unit 111 for laser ablation.

Figure 4 is a partial enlarged view of the laser processing unit 113 in Figure 1 .

Figure 5 is a schematic diagram of laser ablation in Figure 4.

Figure 6 is a partial enlarged view of the laser processing unit 115 in Figure 1 .

Figure 7 is a schematic diagram of laser cutting in Figure 6.

Figure 8 is a schematic diagram of cleaning the sheet 102 in Figure 1 .

Figure 9 is a schematic diagram of the re-inspection of the sheet 102 before rewinding according to the present invention.

Please refer to Figure 1, which is a schematic diagram of an embodiment of the present invention. The sheet 102 (such as adhesive material, circuit film, or battery anode or cathode sheet, etc.) starts to be discharged from the discharge unit 101 in the upper left corner. The unwinding servo motor 1011 and the tension wheel 1013 of the unwinding unit 101 can monitor and adjust the tension of the sheet 102 at any time, and the edge finding mechanism can maintain the sheet 102 in a stable position during unwinding.

Next, please refer to Figure 2, which is a partially enlarged view of Figure 1. The laser processing unit 111 includes a laser head 1112. The sheet 102 enters the laser processing unit 111 through the roller group 142, and after the laser head 1112 performs laser processing on the first side of the sheet 102, the sheet 102 is then Enter the roller set 141 with the second side of the sheet 102 facing up to re-enter the roller set 142 . The roller group 142 and the roller group 141 are respectively arranged upstream and downstream of the laser processing unit 111. By setting their different speed ratios, the sheet 102 can be controlled to maintain an appropriate tension in the laser processing unit 111, so that While the sheet 102 maintains stable movement, the laser head 1112 can continue to perform laser processing and ablation on the sheet 102 to form patterns.

To further illustrate how to process the sheet 102 while moving, please refer to Figure 3 . By setting a fixed feeding distance X for the laser processing unit 111, each time the processing device measures that the sheet 102 has advanced the feeding distance , at this time, the sheet 102 still maintains a continuous feeding state (not stationary), and the shape of the pattern A can be set by the user input to the laser head 1112 . The detection unit 151, such as a CCD, can detect the position of the pattern A to ensure whether the distance between the patterns A is X. If an error occurs, the ablation time of the laser head 1112 can be adjusted to correct it. Of course, according to the position and distribution of pattern A, multiple detection units 151 can be provided for more accurate detection and adjustment.

Next, please refer to Figure 1. When the sheet 102 is output from the roller group 142, it then enters the roller group 143 to enter the laser processing unit 113. A roller group 144 is provided downstream. Similarly, the roller group 143 can be adjusted by adjusting the roller group 144. The ratio with the rotation speed of the roller group 144 is used to adjust the tension of the sheet 102 in the laser processing unit 113 . In order to save the cost and space of the entire device, the roller group 143 can also be omitted. In this case, the tension of the sheet 102 in the laser processing unit 113 is adjusted by adjusting the rotation speed ratio of the roller group 142 and the roller group 144 .

Then please refer to Figure 4 and Figure 5 at the same time. The laser processing unit 113 also includes a laser head 1132 for ablating the second surface of the sheet 102 to generate a pattern B. Similar to the control method in Figure 3, in Figure 5, a fixed feeding distance X is also set for the laser processing unit 113. Whenever the processing device has measured that the sheet 102 has advanced the feeding distance X , the laser processing unit 113 will ablate the material surface to form pattern B. At this time, the sheet 102 still maintains a continuous feeding state (not stationary), and the shape of pattern B can be input to the laser head by the user. 1132 to set it, wherein the shapes of pattern B and pattern A can be the same or different.

The detection unit 153 is located between the laser processing unit 113 and the roller group 144. In addition to detecting whether the distance between the patterns B ablated by the laser processing unit 113 is correct, it can also correct the laser processing unit 113 and the laser processing unit. 111 relative position error, so that its relative position remains correct and stable at all times. Similarly, according to the position and distribution of pattern B, multiple detection units 153 can be provided for more accurate detection and adjustment.

Next, please refer to Figure 6. The laser processing unit 115 is equipped with a laser head 1152 and a suction unit 1154. At this stage, the laser head 1152 is used to completely cut the sheet 102 in a pattern C. This is different from the aforementioned laser. The laser processing unit 111 and the laser processing unit 113 perform surface ablation processing on the sheet 102 in different ways. Instead, they perform laser processing and penetration on the sheet 102 . However, after the sheet 102 is completely cut by laser, the entire sheet 102 will become too soft and affect the subsequent manufacturing process. Therefore, a base material 104 must be used at this stage to properly support the sheet 102. However, if the coating on the surface of the sheet 102 is made of carbon powder, it will be easily adhered or separated by contact, so the substrate cannot be sticky. In this embodiment, paper material can be used as the substrate. 104, because it is not sticky but has certain breathability and support.

Next, please refer to Figure 1. The unwinding servo motor 1031 and tension wheel 1033 of the unwinding unit 103 can monitor and adjust the tension of the substrate 104 at any time, and the edge-finding mechanism can make the substrate 104 Maintain a stable position when discharging. Please refer to Figures 1 and 6 at the same time. The unloading unit 103 unloads the substrate 104 to the roller group 144, so that the sheet 102 and the substrate 104 are sent to the laser processing unit 115. At this time, the suction unit 1154 performs The suction makes the sheet 102 and the substrate 104 touch each other.

Please refer to Figures 6 and 7. The detection unit 155 can detect the position of the pattern B ablated by the laser processing unit 113 of the previous station on the surface of the sheet 102, and send this position information to the laser processing unit 115, so that The laser processing unit 115 can perform alignment cutting on the sheet 102 according to settings. Then, after being output to the roller group 145, the sheet 102 and the base material 104 are separated. At this time, the sheet 102 will enter the cleaning unit 121, and the base material 104 will be collected through the collection unit 105. The rewinding servo motor 1051 and tension wheel 1053 of the rewinding unit 105 can monitor and adjust the tension of the substrate 104 at any time. Depending on the actual processing requirements, an edge-finding mechanism can be used to maintain the substrate 104 at the same position during rewinding. stable position. Similarly, by adjusting the rotation speed ratio of the roller group 144 and the roller group 145, the tension of the sheet 102 and the substrate 104 in the laser processing unit 115 can be adjusted.

The detection unit 157 is located between the laser processing unit 115 and the roller group 145. It can detect the cutting accuracy of the laser processing unit 115, confirm and correct it, and ensure that the cutting accuracy remains correct and stable at all times. Similarly, according to the position and distribution of pattern C, multiple detection units 157 can be provided for more accurate detection and adjustment.

Continuing to refer to FIG. 8 , when the sheet 102 leaves the roller group 145 , it will sequentially enter the cleaning unit 121 , the roller group 146 , the cleaning unit 123 and the roller group 147 . Among them, the roller group 145 and the roller group 146 can use their rotation speed ratio to adjust the tension of the sheet 102 in the cleaning unit 121 , and the roller group 146 and the roller group 147 can use their rotation speed ratio to adjust the tension of the sheet 102 in the cleaning unit 121 . Tension in 123. In this embodiment, the cleaning unit 121 and the cleaning unit 123 can use a belt-type cleaning mechanism to clean the debris on the sheet 102 in a rotational manner. After the cleaning is completed, the final re-inspection and rewinding into rolls will follow. process, but if the surface coating of the sheet 102 is made of materials that are easily scattered or sticky, such as carbon powder (or easily broken, too soft, etc.), then before rewinding A layer of isolation material 106 needs to be added first, and its material can be, for example, PET. The isolation material 106 is released by the unwinding unit 107. Its own unwinding servo motor 1071 and tension wheel 1073 can monitor and adjust the tension of the isolation material 106 at any time. Depending on the actual processing needs, the isolation can be achieved through the edge search mechanism. The material 106 is maintained in a stable position during discharge.

Continuing to refer to Figure 9, when the sheet 102 and the spacer 106 leave the roller group 146, they need to pass through a static electricity generating rod 133 first, so that the sheet 102 and the spacer 106 can be closely adhered to each other due to static electricity. After the roller group 148, the re-inspection device 131, and the roller group 149, the same roller group 148 and the roller group 149 can use their rotation speed ratio to adjust the tension of the sheet 102 at this stage of the process. The re-inspection device 131 can re-inspect the cutting size accuracy of the sheet 102 in real time and transmit the re-inspection data to the FTP server computer for storage. Finally, the sheet 102 and the separator 106 are rewinded into a roll through the rewinding unit 109 .

Although the technical content of the present invention has been disclosed in the above paragraphs, it is not intended to limit the present invention. Any modifications and modifications made by those skilled in the art without departing from the spirit of the present invention should be included in the scope of the present invention. Therefore, The scope of protection of this creation shall be determined by the scope of the patent application attached.

101: Unloading unit

103: Unloading unit

105: Receiving unit

107: Unloading unit

109: Rewinding unit

102:Sheet

104:Substrate

106:Isolation material

111:Laser processing unit

113:Laser processing unit

115:Laser processing unit

141,142,143,144,145,146,147,148,149: Roller set

133: Static electricity generating rod

131:Recheck device

Claims (15)

A laser processing device is used to perform laser processing on a piece of material. The operating method of the laser processing device includes: a first unloading unit for outputting the sheet to a first laser processing unit; The first laser processing unit is used to ablate a first side of the sheet and output it to a first roller group; the first roller group is used to flip the sheet up and down and output it to a second roller group; the second roller group receives the sheet and outputs it to a second laser processing unit; the second laser processing unit is used to ablate a second side of the sheet and output to a third roller group; a second discharging unit is used to output a substrate to the third roller group; the third roller group outputs the sheet and the substrate to a third laser Processing unit; the third laser processing unit includes a suction unit for sucking the sheet so that the sheet is properly in contact with the base material. The third laser processing unit laser-cuts the sheet. The sheet and the substrate are output to a fourth roller group; and the fourth roller group separates the sheet from the substrate. The laser processing device of claim 1, wherein the rotation speed ratio of the first roller group and the second roller group is controlled to maintain appropriate tension of the sheet when the first laser processing unit performs ablation. . The laser processing device of claim 1, wherein the rotation speed ratio of the second roller group and the third roller group is controlled to maintain appropriate tension of the sheet when the second laser processing unit performs ablation. . The laser processing device of claim 1, wherein a first feeding distance of the first laser processing unit is set, and when the feeding unit measures that the sheet has advanced the first feeding distance, then The first laser processing unit is controlled to ablate the first surface of the sheet to generate at least a first pattern, while the sheet still maintains a continuous feeding state. The laser processing device of claim 4 further includes a first detection unit located between the first laser unit and the first roller group for detecting the sheet when the first laser processing unit performs each step. Whether the spacing between the first graphics is correct. The laser processing device of claim 1, wherein a second feeding distance of the second laser processing unit is set, and when the feeding unit measures that the sheet has advanced the second feeding distance, then The second laser processing unit is controlled to ablate the second surface of the sheet to generate a second pattern. At this time, the sheet still maintains a continuous feeding state. The laser processing device of claim 6 further includes a second detection unit located between the second laser processing unit and the third roller group for detecting the sheet being processed by the second laser processing unit. Whether the distance between the second graphics for each ablation is correct. As in the laser processing device of claim 7, the second detection unit can further correct a relative position error between the first laser processing unit and the second laser processing unit during ablation. The laser processing device of claim 1, wherein the rotation speed ratio of the third roller group and the fourth roller group is controlled to maintain appropriate tension of the sheet when the third laser processing unit is cutting. . The laser processing device of claim 9 further includes a third detection unit located between the third roller group and the third laser processing unit, and the third detection unit is used to detect the movement of the sheet on the second ablation position information in the laser processing unit and output it to the The third laser processing unit enables the third laser processing unit to cut the sheet according to the position information. The laser processing device of claim 10 further includes a fourth detection unit located between the third laser processing unit and the fourth roller group for detecting the processing of the sheet by the third laser processing unit. Cut a third pattern and adjust the third laser processing unit accordingly. The laser processing device of claim 1, wherein the substrate is paper. The laser processing device of claim 1 further includes: a first cleaning unit for receiving and cleaning the sheet output by the fourth roller group, and outputting it to a fifth roller group; the fifth roller group The roller group is used to receive the sheet and output the sheet to a second cleaning unit; and the second cleaning unit is used to receive and clean the sheet and output it to a sixth roller group; wherein , controlling the rotation speed ratio of the fourth roller group, the fifth roller group and the sixth roller group so that the sheet maintains appropriate tension in the first cleaning unit and the second cleaning unit. The laser processing device of claim 13 further includes: a third discharge unit for outputting a PET material to the sixth roller group; the sixth roller group is used to receive the sheet and the PET material and Output to a static electricity generating unit; The static electricity generating unit is used to generate static electricity to make the sheet material and the PET material closely adhere to each other. The laser processing device of claim 14 further includes a rechecking device for receiving the sheet output from the static electricity generating unit and rechecking the cutting accuracy on the sheet.

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