TWM585675U - Processing apparatus - Google Patents

Abstract

A processing apparatus, which is capable of processing a workpiece. The processing apparatus includes an optical assembly and a processing light source, the optical assembly further includes a lens module, an auxiliary light source and at least a first scanning device. The auxiliary light source emits an auxiliary light to the workpiece, wherein a light shape of the auxiliary light is transformed to linear light shape on a surface of the workpiece. The processing apparatus acquires the surface information of the workpiece by scanning the workpiece through the linear light shape. The processing light source emits a processing light, and the processing light is transmitted to process the workpiece by the at least one first scanning device. The processing apparatus of the present utility model can acquire surface information of whole surface of the workpiece by scanning the surface of the workpiece instead of installing extra robotic arms or sliding rails. Thus, the working efficiency of the processing apparatus is enhanced.

Description

Processing device

This creation relates to a processing device, and more particularly to a processing device with an auxiliary light source to scan the surface information of a workpiece.

Existing optical processing devices usually use the optical system inside the device to irradiate the workpiece with light emitted by the light source for marking, exposure, etching, punching, and scoring. (Scribing) or dicing. The surface to be processed of the workpiece is not necessarily a flat surface, and may have multiple obvious bumps and undulations. Therefore, an existing optical processing device also needs an external optical scanning device that scans the surface information of the workpiece to improve the optical quality. Machining accuracy of the processing device.

However, the optical scanning device and the optical processing device are two separate devices. Therefore, the manufacturer of the optical processing device or the device integration manufacturer must integrate the two devices by themselves, for example, the coordinate systems of the optical scanning device and the optical processing device are mutually related. Perform conversions, etc. Such an external optical scanning device can only obtain surface information of a part of the workpiece. To obtain surface information of the entire workpiece to be processed, it is necessary to additionally add a robot arm, a slide rail, a track and other moving mechanisms to the optical scanning device. This will significantly increase the cost of the equipment. In addition, when the existing optical processing device works, it is necessary to first set the processing schedule (or program) according to the drawing of the workpiece, and then modify the position to be processed according to the surface information obtained from the optical scanning device. As a result, the overall working time will also A substantial increase. Therefore, it is still necessary to provide a processing device to solve the disadvantages of the existing optical processing devices.

The prior art paragraphs are only used to help understand the content of the creation, so the content disclosed in the prior art paragraphs may contain some conventional technologies that do not constitute the knowledge of those skilled in the art. The content disclosed in the previous technical paragraphs does not represent the content or the problem to be solved by one or more embodiments of the present invention, and has been known or recognized by those with ordinary knowledge in the technical field to which this invention belongs before the application for this creation.

According to the shortcomings of the prior art, the purpose of the present invention is to provide a processing device with an auxiliary light source that can scan the surface of a workpiece to be processed to obtain surface information of the entire workpiece surface.

Another purpose of this creation is to provide a processing device that can scan the surface of a workpiece to be processed without installing a mobile device such as a robot arm or a slide rail, so as to improve the working efficiency of the processing device itself.

Other purposes and advantages of this creation can be further understood from the technical features disclosed in this creation.

In order to achieve some or all of the above or other purposes, an embodiment of the present invention discloses a processing device for processing a workpiece, including an optical component and a processing light source. The optical component includes a lens module and an auxiliary light source for at least one first scan. Device, the auxiliary light source is used for emitting auxiliary light, the auxiliary light passes through the lens module and illuminates the workpiece through at least one first scanning device, the auxiliary light transforms the light shape through the lens module and forms a linear light spot on the surface of the workpiece, and the processing device transmits the light The light spot scans the workpiece to obtain the surface information of the workpiece. The processing light source is used to emit processing light to the optical component, wherein the processing light processes the workpiece through at least one first scanning device.

In one embodiment, the processing device further includes a light receiving element and a control unit, and the auxiliary light irradiates the workpiece to form reflected light. The control unit is electrically connected to the lens module, the auxiliary light source, at least one first scanning device, the processing light source, and the light sensing element. Element, and the light receiving element senses the reflected light and correspondingly sends a sensing signal to the control unit.

In one embodiment, the control unit controls the processing light source and the at least one first scanning device to process the workpiece according to the sensing signal.

In an embodiment, the optical component further includes a second scanning device, the control module is electrically connected to the second scanning device, and the processing light passes through the second scanning device and at least one first scanning device in order to process the workpiece.

In one embodiment, the sensing signal includes a plurality of image signals, and the control unit calculates workpiece surface information according to the image signals to selectively control the processing light source, at least one first scanning device and second scanning device.

In one embodiment, the lens module includes a light shape adjustment lens and a switching structure, and the control unit controls the switching structure to move the light shape adjustment lens into or away from a light path of the auxiliary light.

In one embodiment, the optical component further includes a field lens module, and the field lens module focuses processing light to process the workpiece.

In an embodiment, the optical component further includes a beam splitter, and the light path of the processing light and the light path of the auxiliary light at least partially overlap the light splitter.

Based on the above, the embodiment of the present invention has at least one of the following advantages or effects. In the embodiment of the present invention, the optical module has a lens module, and the auxiliary light emitted by the auxiliary light source is converted by the lens module and irradiates the workpiece through at least one first scanning device to form a linear light spot on the surface of the workpiece. In this way, the surface of the workpiece can be scanned and the surface information of the entire workpiece surface can be obtained without additional mobile equipment such as a robot arm or a slide rail, thereby improving the working efficiency of the processing device itself.

In order to make the above features and advantages of this creation more comprehensible, embodiments are described below in detail with the accompanying drawings as follows.

The foregoing and other technical contents, features, and effects of this creation will be clearly presented in the following detailed description of a preferred embodiment with reference to the drawings. The directional terms mentioned in the following embodiments, such as: up, down, left, right, front, or rear, are only directions referring to the attached drawings. Therefore, the terminology used is used to explain and is not used to limit the creation.

FIG. 1 is a schematic diagram showing a structure of a processing device according to an embodiment disclosed in the present invention. Referring to FIG. 1, the processing device 10 is suitable for processing a workpiece 40. The processing device 10 includes an optical component 20 and a processing light source 30. The optical component 20 further includes a lens module 22, an auxiliary light source 24, and at least one first scanning device 26 (schematically shown as two first scanning devices 26 in FIG. 1, but not limited thereto). 24 is used to emit auxiliary light 241, wherein the auxiliary light 241 passes through the lens module 22 and illuminates the workpiece 40 through at least one first scanning device 26, and the auxiliary light 241 converts the light shape from a point shape to a line shape through the lens module 22 A linear light spot 42 is formed on the surface 41 of the workpiece 40. In this way, the processing device 10 can scan the surface 41 of the workpiece 40 through the linear light spot 42 to obtain surface information of the surface 41. For example, the first scanning device 26 is, for example, a rotatable mirror. When the first scanning device 26 is rotated, the irradiation direction of the auxiliary light 241 can be changed, that is, the linear light spot 42 can be changed on the surface 41 of the workpiece 40. The position allows the processing device 10 to scan other areas on the surface 41 through the linear light spot 42.

Please continue to refer to FIG. 1, the processing light source 30 is used for emitting processing light 31 to the optical component 20, wherein the processing light 31 passes through at least one first scanning device 26 to process the workpiece 40, that is, the processing light 31 is irradiated to the first scanning device. After 26, when the first scanning device 26 rotates, the irradiation direction of the processing light 31 can be changed to adjust the processing position of the processing light 31 on the surface 41 of the workpiece 40. In this embodiment, the auxiliary light source 24 and the processing light source 30 are, for example, laser light sources, and the power of the processing light source 30 is higher than the power of the auxiliary light source 24. For example, the auxiliary light source 24 is, for example, a laser light source with a power of about 20mW, and a blue or green laser light source is preferably used to improve the sensing accuracy. The processing light source 30 is, for example, a laser with a power of about 20w to 2kW. The light source is used for laser processing the workpiece 40. The laser light source is, for example, helium-neon laser, carbon dioxide laser, laser diode or other appropriate laser light source. In addition, the auxiliary light source 24 and the processing light source 30 are also It can be designed to emit light of other wavelengths such as red, infrared, ultraviolet, etc., or other light sources with sufficient power can be used to replace the laser light source. This creation is not limited to this.

FIG. 2 is a block diagram showing a system of a processing device according to an embodiment disclosed in the present invention. Please refer to FIGS. 1 and 2. The processing device 10 further includes a photosensitive element 50 and a control unit 60. When the auxiliary light 241 irradiates the workpiece 40, a reflected light 242 is formed. The control unit 60 is electrically connected to the lens module 22 and the auxiliary light source 24. , The first scanning device 26, the processing light source 30, and the photosensitive element 50, and the photosensitive element 50 senses the reflected light 242 and correspondingly sends a sensing signal to the control unit 60. In this embodiment, the light sensing element 50 is, for example, a CCD (Charge-coupled Device) light sensing device, and the control unit 60 is, for example, a central processing unit (CPU) with a single core or multiple cores, or other Programmable general-purpose or special-purpose microprocessor (Microprocessor), digital signal processor (DSP), programmable controller, application specific integrated circuit (ASIC) or other Similar components or combinations of the above components are not limited in this creation.

Please continue to refer to FIG. 1 and FIG. 2. The lens module 22 includes a light shape adjustment lens 221 and a switching structure 222. The light shape adjustment lens 221 is installed on the switching structure 222. The control unit 60 controls the switching structure 222 to make the light shape adjustment lens. 221 moves in or out of the light path of the auxiliary ray 241. For example, when the surface 41 of the workpiece 40 does not need to be scanned, the control unit 60 may control the switching structure 222 to move the light shape adjustment lens 221 to the position 223. In this embodiment, the light shape adjusting lens 221 is, for example, a columnar lens, a Powell lens, or other optical elements capable of expanding a spot light spot into a line shape in a specific direction, and the switching structure 222 For example, a pneumatic switching mechanism, a rotary switching mechanism, a slide rail module, or other suitable mechanisms are used, and this creation is not limited to this.

Please refer to FIG. 1 and FIG. 2. In general, the surface 41 of the workpiece 40 usually has a plurality of irregularities (the diagram schematically illustrates two grooves 43A, 43B with a specific geometric shape, but is not limited thereto). ), When the processing light 31 emitted from the processing device 10 processes one of the grooves 43A, the control unit 60 may simultaneously control the auxiliary light source 24 to form a linear light spot 41 to scan the other groove 43B. The light sensing element 50 then according to the sensing signal corresponding to the received reflected light 242, for example, contains image information of each groove 43A, 43B, and the control unit 60 performs the workpiece surface 41 and each groove 43A, 43B according to these image information. According to the calculation of the surface information, various processing information is converted based on the surface information, such as workpiece compensation amount, bead position coordinates, etc., so that the control unit 60 can control the processing light source 60 and the first scanning device 26 according to the processing information. To process the workpiece 40. Compared with the existing optical processing device, the processing device 10 of the present invention can scan the surface of the workpiece and obtain the surface information of the entire workpiece without additional mobile equipment such as a robot arm or a slide rail, thereby improving the working efficiency of the processing device 10 itself. . In addition, in this embodiment, the light shape of the auxiliary light 241 is changed through the lens module 22 to form a linear light spot 42 on the workpiece surface 41. Therefore, the workpiece 40 can be directly scanned through the linear light spot 42 to obtain the surface information of the surface 41 and transmit The control unit 60 is immediately converted into processing information. In addition, when multiple workpieces need to be processed, the processing device 10 can simultaneously scan multiple workpieces through the linear light spot 42 at the same time, so that the time required for processing can be greatly reduced.

Please refer to FIG. 1. In this embodiment, the processing device 10 further includes a housing 21. The housing 21 covers all the components in the optical module 20 and the light-sensitive components 50. In this way, users do not need to integrate or assemble these components by themselves. , To improve the convenience of use of the processing device 10. In addition, the optical component 20 further includes at least one beam splitter 28 (one is schematically shown in the figure, but not limited to this). The beam splitter 28 is, for example, a semi-transparent half mirror, and the beam splitter 28 in this embodiment The auxiliary light 241 can be reflected and the processing light 31 can be transmitted. In this way, the auxiliary light 241 and the processing light 31 are shared by at least part of the light path transmitted to the first scanning device 26, which can simplify the complexity of the light path inside the optical component 20. . In addition, the optical component 20 may also be optionally provided with a field lens module 29. For example, the field lens module 29 includes an F-theta lens (also known as a flat field focusing lens) for focusing the auxiliary light 241 and processing. Light 31. However, this creation is not limited to this. The F-θ lens can be replaced by other lenses that can focus light. The optical component 20 may not be provided with a field lens module 29 to reduce equipment costs.

FIG. 3 is a schematic diagram showing the structure of a processing device according to another embodiment disclosed in the present invention, and FIG. 4 is a schematic block diagram showing a system of the processing device according to the embodiment disclosed in FIG. 3. Please refer to FIG. 3 and FIG. 4. The processing device 10A is similar to the processing device 10 disclosed in FIG. 1 and FIG. 2, and the same components are denoted by the same reference numerals, and details are not described herein again. The difference between the processing device 10A and the processing device 10 is that the optical component 20 further includes a second scanning device 27, the control unit 60 is electrically connected to the second scanning device 27, and the auxiliary light 241 emitted by the auxiliary light source 24 passes through the second sequentially. The scanning device 27 and at least one first scanning device 26 scan the surface 41 of the workpiece 40 to obtain the surface information of the surface 41. The processing light 31 emitted by the processing light source 30 passes through the second scanning device 27 and the at least one first scanning device in sequence. 26. To process the workpiece 40. In addition, the sensing signal sent by the photosensitive element 50 includes, for example, a plurality of image signals, and the control unit 60 calculates the surface information of the workpiece 40 according to these image signals to selectively control the processing light source 30 and at least one first scanning device. 26 and a second scanning device 27, wherein the second scanning device 27 is composed of at least one lens, for example. For example, when the surface 41 of the workpiece 40 to be processed has grooves 43A or 43B with large undulations, the control unit 60 may control the first scanning device 26 to adjust the irradiation position or angle of the processing light 31, for example, adjustment The irradiation position or angle in a direction perpendicular to the surface 41, and the processing light 31 is focused by the second scanning device 27, so that the processing device 10A can move or change the placement position or angle of the workpiece 40 The grooves 43A, 43B on the surface 41 are processed.

FIG. 5 is a schematic diagram showing a structure of a processing device according to still another embodiment disclosed in the present invention. Referring to FIG. 5, the processing device 10B is similar to the processing devices 10 and 10A, and the same components are denoted by the same reference numerals, and details are not described herein again. The difference between the processing device 10B and the processing devices 10 and 10A is that the second scanning device 27 is located on the light path of the processing light 31. The processing light 31 is sequentially passed through the second scanning device 27 and at least one first scanning device 26, for example. The workpiece 40 is processed, and the auxiliary light 241 scans the surface 41 of the workpiece 40 through the first scanning device 26 without being focused by the second scanning device 27.

FIG. 6 is a schematic diagram showing a structure of a processing device according to still another embodiment disclosed in the present invention. Referring to FIG. 6, the processing device 10C is similar to the processing devices 10, 10A, and 10B, and the same components are denoted by the same reference numerals, and details are not described herein again. The difference between the processing device 10C and the processing devices 10, 10A, and 10B is that the optical component 20 does not have a field lens module 29. The auxiliary light 241 and the processing light 31 change the traveling direction through the first scanning device 26, and are directly irradiated by the light outlet 23 Surface 41 of the workpiece 40. In addition, the optical component 20 of the processing device 10C of this embodiment does not include the second scanning device 27. However, the optical component 20 can also be provided with a second scanning device 27 at an appropriate position to focus the auxiliary light 241 or the processing light 31. Not limited to this.

In summary, in the embodiment of the present invention, the auxiliary light emitted by the auxiliary light source passes through the lens module and irradiates the workpiece through at least one first scanning device, wherein the auxiliary light transforms the light shape through the lens module and is formed on the surface of the workpiece. Linear light spot. The processing light emitted by the processing light source processes the workpiece through at least one first scanning device. In this way, the processing device can scan the surface of the workpiece and obtain the entire surface of the workpiece without additional mobile devices such as a robot arm or a slide rail. Surface information to improve the working efficiency of the processing device itself.

However, the above are only the preferred embodiments of this creation. When the scope of the implementation of this creation cannot be limited by this, that is, the simple equivalent changes and modifications made according to the scope of the patent application and new content of this creation, all Still within the scope of this creation patent. In addition, any embodiment of this creation or the scope of patent application need not achieve all the purposes or advantages or features disclosed in the creation. In addition, the abstract section and title are only used to assist the search of patent documents and are not intended to limit the scope of rights of this creation. In addition, the terms "first" and "second" mentioned in this specification or the scope of the patent application are only used to name the element or to distinguish between different embodiments or ranges, not to limit the number of elements. Upper or lower limit.

10, 10A, 10B, 10C‧‧‧ processing equipment

20‧‧‧ Optical components

21‧‧‧shell

22‧‧‧Lens Module

221‧‧‧light shape adjustment lens

222‧‧‧Switch structure

223‧‧‧Location

23‧‧‧light exit

24‧‧‧Auxiliary light source

241‧‧‧ auxiliary light

242‧‧‧Reflected light

26‧‧‧First Scanning Agency

27‧‧‧Second scanning agency

28‧‧‧ Beamsplitter

29‧‧‧field lens module

30‧‧‧Processing light source

31‧‧‧Processing light

40‧‧‧Workpiece

41‧‧‧ surface

42‧‧‧Linear light spot

43A, 43B‧‧‧Groove

50‧‧‧ Photosensitive element

60‧‧‧Control unit

FIG. 1 is a schematic diagram showing a structure of a processing device according to an embodiment disclosed in the present invention; FIG.
FIG. 2 is a system block diagram of a processing device according to the embodiment disclosed in FIG. 1; FIG.
FIG. 3 is a schematic diagram showing a structure of a processing device according to another embodiment disclosed in the present invention; FIG.
FIG. 4 is a system block diagram of a processing device according to the embodiment of FIG. 3; FIG.
FIG. 5 is a schematic diagram showing the architecture of a processing device according to yet another embodiment disclosed in this creation; and FIG. 6 is a schematic diagram showing the architecture of a processing device according to yet another embodiment disclosed in this creation.

Claims (8)

A processing device for processing a workpiece includes:
An optical component includes a lens module, an auxiliary light source, and at least a first scanning device. The auxiliary light source is used to emit an auxiliary light. The auxiliary light passes through the lens module and irradiates the workpiece through the first scanning device. Wherein the auxiliary light transforms the light shape through the lens module and forms a linear spot on a surface of the workpiece, and the processing device scans the workpiece through the linear spot to obtain surface information of the workpiece; and a processing light source, A processing light is emitted to the optical component, wherein the processing light processes the workpiece through the first scanning device. For example, the processing device of the scope of application for a patent includes a photosensitive element and a control unit. The auxiliary light illuminates the workpiece and forms a reflected light. The control unit is electrically connected to the lens module, the auxiliary light source, The at least one first scanning device, the processing light source, and the photosensitive element, and the photosensitive element senses the reflected light and correspondingly sends a sensing signal to the control unit. For example, the processing device according to the second patent application range, wherein the control unit controls the processing light source and the at least one first scanning device to process the workpiece according to the sensing signal. For example, the processing device of the second patent application range, wherein the optical component further includes a second scanning device, the control module is electrically connected to the second scanning device, and the processing light passes through the second scanning device and the second scanning device in sequence. The at least one first scanning device is used to process the workpiece. For example, the processing device under the scope of patent application, wherein the sensing signal includes a plurality of image signals, and the control unit calculates the surface information of the workpiece according to the image signals to selectively control the processing light source, the at least A first scanning device and the second scanning device. For example, the processing device of the second scope of the patent application, wherein the lens module includes a light shape adjusting lens and a switching structure, and the control unit controls the switching structure to move the light shape adjusting lens into or away from the auxiliary light. Light path. For example, the processing device according to the first patent application scope, wherein the optical component further includes a field lens module, and the field lens module focuses the processing light to process the workpiece. For example, the processing device of the first patent application range, wherein the optical component further includes a beam splitter, and a light path of the processing light and a light path of the auxiliary light at least partially overlap the light splitter.