CN118635713A - Backlight stage and laser device - Google Patents
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- CN118635713A CN118635713A CN202410945386.7A CN202410945386A CN118635713A CN 118635713 A CN118635713 A CN 118635713A CN 202410945386 A CN202410945386 A CN 202410945386A CN 118635713 A CN118635713 A CN 118635713A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
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Abstract
Description
技术领域Technical Field
本发明涉及激光加工领域和载台领域，具体涉及一种背光载台和激光设备。The invention relates to the field of laser processing and the field of a carrier, and in particular to a backlight carrier and a laser device.
背景技术Background Art
PCB行业中的CO2激光，通常采用外靶标粗定位，依据外靶标，定位到内靶标的位置，采用CO2激光将内靶标表面的材料烧蚀去除，漏出内靶标，再通过内靶标进行精定位。该定位方式存在以下缺陷： CO2 lasers in the PCB industry usually use external targets for rough positioning. Based on the external targets, the internal targets are positioned. The CO2 laser is used to ablate and remove the material on the surface of the internal targets, exposing the internal targets, and then the internal targets are used for precise positioning. This positioning method has the following defects:
（1）通过CO2激光烧蚀出来的内靶标，周边轮廓边界特征不够清晰，CCD拍照干扰较多，导致定位不够精准；(1) The peripheral contour features of the inner target ablated by CO2 laser are not clear enough, and the CCD camera has a lot of interference, resulting in inaccurate positioning;
（2）内靶标为CO2激光专用的靶标，与其它制程的定位靶标不共用，即各制程设备的靶标基准不统一，增加了整体制程的累积误差。(2) The internal target is a target dedicated to CO2 lasers and is not shared with the positioning targets of other processes. In other words, the target references of each process equipment are not unified, which increases the cumulative error of the overall process.
上述传统缺陷表现为：因产品颜色不同、材质不同、反光程度不同，造成抓取的图片差异大，定位精度差；定位点与背景颜色一致，造成定位点无法识别或识别位置不准确，进一步导致设备精度差或者异常停机。The above-mentioned traditional defects are manifested as follows: due to different product colors, materials, and degrees of reflectivity, the captured images are very different and the positioning accuracy is poor; the positioning point is consistent with the background color, causing the positioning point to be unable to be identified or the identification position is inaccurate, further leading to poor equipment accuracy or abnormal shutdown.
发明内容Summary of the invention
为了克服现有技术的不足，本发明的目的在于提供一种背光载台和激光设备，其能解决上述问题。In order to overcome the deficiencies of the prior art, an object of the present invention is to provide a backlight carrier and a laser device, which can solve the above-mentioned problems.
一种背光载台，所述背光载台包括载台主体和载台顶板，所述背光载台还包括背光组件，背光组件的出射光至少部分的透过所述载台顶板，以此向背光载台上的承载物料提供光照。A backlight carrier comprises a carrier body and a carrier top plate. The backlight carrier also comprises a backlight assembly. The outgoing light of the backlight assembly at least partially passes through the carrier top plate to provide illumination for the supporting material on the backlight carrier.
进一步的，所述背光组件的发光体设置在载台腔内或载台主体的外侧，当所述发光体设置在载台主体的外侧时，载台主体的底板上开设主体透光孔，用于将外侧布置的背光组件的光引入载台主体的载台腔中。Furthermore, the light-emitting body of the backlight assembly is arranged in the platform cavity or outside the platform body. When the light-emitting body is arranged outside the platform body, a main body light-transmitting hole is opened on the bottom plate of the platform body for introducing the light of the backlight assembly arranged outside into the platform cavity of the platform body.
进一步的，所述载台顶板为局部透光或全透光；当载台顶板为局部透光时，在需要透光处开设顶板透光口，并在顶板透光口处嵌设透光块；当载台顶板为全透光时，载台顶板的板体整体为透光板。Furthermore, the platform top plate is partially light-transmitting or fully light-transmitting; when the platform top plate is partially light-transmitting, a top plate light-transmitting opening is opened at a location where light is required, and a light-transmitting block is embedded in the top plate light-transmitting opening; when the platform top plate is fully light-transmitting, the entire body of the platform top plate is a light-transmitting plate.
进一步的，所述背光载台采用设有真空组件的真空定位载台，真空组件，用于向载台主体的载台腔抽真空；在所述载台主体的底面或侧面开设透气口，用于连接所述真空组件；在所述载台顶板上开设顶板透气孔，在透光块上开设透光块透气孔。Furthermore, the backlight carrier adopts a vacuum positioning carrier equipped with a vacuum component, and the vacuum component is used to evacuate the carrier cavity of the carrier body; an air vent is opened on the bottom surface or side surface of the carrier body for connecting the vacuum component; a top plate air vent is opened on the top plate of the carrier, and a light-transmitting block air vent is opened on the light-transmitting block.
进一步的，在所述载台顶板上还设有定位件，用于载台和/或承载物料的定位。Furthermore, a positioning piece is provided on the top plate of the carrier, which is used for positioning the carrier and/or the carried materials.
本发明还提供了一种激光设备，包括升降Z轴组件、相机镜头组件、激光头组件和物料载台，物料载台采用前述的背光载台；所述激光头组件或物料载台能在平面内移动。The present invention also provides a laser device, including a lifting Z-axis component, a camera lens component, a laser head component and a material carrier, wherein the material carrier adopts the aforementioned backlight carrier; the laser head component or the material carrier can move in a plane.
相比现有技术，本发明的有益效果在于：本申请的通过背光定位功能，可以极大的提高产品的定位精度；其次，背光定位功能可以消除由于产品颜色、材质不同、反光程度不同等造成的抓取的图片差异大和定位精度差的问题；背光定位功能可以完美解决由于定位点与背景颜色一致而造成定位点无法识别或识别位置不准确造成的设备精度差或者异常停机问题，便于在需要辅助照明定位检测、加工等用到载台的领域，如激光设备、LDI设备领域推广应用。Compared with the prior art, the beneficial effects of the present invention are: the backlight positioning function of the present application can greatly improve the positioning accuracy of the product; secondly, the backlight positioning function can eliminate the problems of large differences in captured images and poor positioning accuracy caused by different product colors, materials, and different degrees of reflection; the backlight positioning function can perfectly solve the problem of poor equipment accuracy or abnormal shutdown caused by the inability to identify the positioning point or inaccurate identification of the position due to the consistency of the positioning point with the background color, which is convenient for promotion and application in fields that require auxiliary lighting positioning detection, processing, etc., which use a carrier, such as laser equipment and LDI equipment.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1为本发明背光载台采用载台顶板全透光的示意图；FIG1 is a schematic diagram of a backlight stage of the present invention in which the top plate of the stage is fully transparent;
图2为背光载台采用真空载台且载台顶板全透光的示意图；FIG2 is a schematic diagram showing a backlight stage using a vacuum stage and a fully light-transmissive top plate;
图3为背光载台采用真空载台且载台顶板局部透过的示意图；FIG3 is a schematic diagram showing a backlight stage using a vacuum stage and a partially transparent top plate of the stage;
图4为载台主体的结构示意图；FIG4 is a schematic structural diagram of a carrier body;
图5为透光块的结构示意图；FIG5 is a schematic diagram of the structure of a light-transmitting block;
图6为设有真空度检测表的背光载台示意图；FIG6 is a schematic diagram of a backlight stage provided with a vacuum degree detection meter;
图7为载台顶板的示意图。FIG. 7 is a schematic diagram of the top plate of the stage.
图中：In the figure:
1、载台主体；11、底板；12、支撑壁；13、支撑件；14、主体透光孔；15、透气口；1. Carrier body; 11. Bottom plate; 12. Support wall; 13. Support member; 14. Main body light-transmitting hole; 15. Ventilation port;
2、载台顶板；21、顶板透光口；22、顶板透气孔；2. Carrier top plate; 21. Top plate light-transmitting opening; 22. Top plate air-permeable hole;
3、背光组件；3. Backlight assembly;
4、透光块；41、透光块透气孔；4. Light-transmitting block; 41. Light-transmitting block air holes;
5、真空组件；5. Vacuum components;
6、定位件；6. Positioning parts;
7、标定尺；7. Calibration ruler;
8、真空度检测表；8. Vacuum test table;
9、激光标定板。9. Laser calibration plate.
具体实施方式DETAILED DESCRIPTION
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
一种背光载台，参见图1-图7，背光载台包括载台主体1和载台顶板2。背光载台还包括背光组件3，背光组件3的出射光至少部分的透过所述载台顶板2，以此向背光载台上的承载物料提供光照。A backlight stage, referring to Fig. 1 to Fig. 7, comprises a stage body 1 and a stage top plate 2. The backlight stage further comprises a backlight assembly 3, and the outgoing light of the backlight assembly 3 at least partially passes through the stage top plate 2, thereby providing illumination to the supporting material on the backlight stage.
所述载台顶板2设置在载台主体1上方，用于直接承载物料。背光组件3设置在载台主体1处。The platform top plate 2 is arranged above the platform body 1 for directly carrying materials. The backlight assembly 3 is arranged at the platform body 1 .
参见图4，载台主体1的底板11外周设有支撑壁12，由此形成载台腔，并在载台主体1的底板11上表面设有支撑件13用于支撑上方的载台顶板2。4 , a support wall 12 is provided on the periphery of the bottom plate 11 of the stage body 1 to form a stage cavity, and a support member 13 is provided on the upper surface of the bottom plate 11 of the stage body 1 to support the stage top plate 2 above.
一个实施例中，所述支撑件13为多个支撑顶柱，支撑顶住为均布设置，当然也可以根据实际需要布置。另一实施例中，图未示的，支撑件13也可以是一个或几个支撑块、支撑板等，只要能对载台顶板2起到稳定的支撑作用即可。In one embodiment, the support member 13 is a plurality of support top columns, and the support top columns are evenly arranged, and can of course be arranged according to actual needs. In another embodiment, not shown in the figure, the support member 13 can also be one or more support blocks, support plates, etc., as long as they can provide a stable support for the platform top plate 2.
进一步的，支撑件13与底板11和支撑壁12一体成型，可通过机加工一体铣削而成，或者一体压铸成型。Furthermore, the support member 13 is integrally formed with the bottom plate 11 and the support wall 12 and may be integrally formed by machining or integrally milling, or integrally die-casting.
进一步的，在支撑件13顶部设置如peek塑料、胶垫等抵接层，优选的采用涂层方式。Furthermore, an abutment layer such as peek plastic, rubber pad, etc. is provided on the top of the support member 13, preferably in the form of a coating.
当然，其它实施例中，只要载台顶板2的刚度、强度等指标足以支撑承载的物料，那么，载台主体1也可以不设置支撑件13。Of course, in other embodiments, as long as the rigidity, strength and other indicators of the carrier top plate 2 are sufficient to support the carried materials, the carrier body 1 may not be provided with the support member 13 .
具体示例中，所述背光组件3的发光体设置在载台腔内或载台主体1的外侧，当所述发光体设置在载台主体1的外侧时，载台主体1的底板11上开设主体透光孔14，用于将外侧布置的背光组件的光引入载台主体1的载台腔中。In a specific example, the light-emitting body of the backlight assembly 3 is arranged in the stage cavity or on the outside of the stage body 1. When the light-emitting body is arranged on the outside of the stage body 1, a main body light-transmitting hole 14 is opened on the bottom plate 11 of the stage body 1 for introducing the light of the backlight assembly arranged on the outside into the stage cavity of the stage body 1.
当背光组件3的发光体设置在载台主体1的载台腔中时，要进行支撑件13的避让设计。当然也可以根据支撑件13的结构特征进行发光体的结构设计，如对于顶针状的支撑顶柱，可以在发光体上设置避让孔穿过支撑顶柱设置。When the light emitter of the backlight assembly 3 is arranged in the stage cavity of the stage body 1, the support member 13 should be designed to avoid the light emitter. Of course, the structure of the light emitter can also be designed according to the structural characteristics of the support member 13. For example, for a pin-shaped support top column, an avoidance hole can be arranged on the light emitter to pass through the support top column.
背光组件3可以是一个，也可以是多个，只要其能达到背光照明效果即可。The backlight assembly 3 can be one or more, as long as it can achieve the backlighting effect.
载台顶板2为局部透光或全透光（图1和图2示例的情形）；当载台顶板2为局部透光时，在需要透光处开设顶板透光口21，并在顶板透光口21处嵌设透光块4；当载台顶板2为全透光时，载台顶板2的板体整体为透光板。The carrier top plate 2 is partially light-transmitting or fully light-transmitting (the situations shown in the examples of Figures 1 and 2); when the carrier top plate 2 is partially light-transmitting, a top plate light-transmitting opening 21 is opened at the place where light is required, and a light-transmitting block 4 is embedded in the top plate light-transmitting opening 21; when the carrier top plate 2 is fully light-transmitting, the entire plate body of the carrier top plate 2 is a light-transmitting plate.
进一步的，当载台顶板2为局部透光时，载台顶板2的板体为不透光材质，如铝合金、不锈钢、大理石板等，在需要透光的地方开设与透光块4外形匹配的顶板透光口21，此时局部透光则由透光块4实现特定位置处-顶板透光口21-的局部透光。透光块4为透光玻璃、透光亚克力块等材质，进一步的对透光块4表面进行磨砂处理。Further, when the stage top plate 2 is partially light-transmissive, the plate body of the stage top plate 2 is made of opaque material, such as aluminum alloy, stainless steel, marble plate, etc., and a top plate light-transmissive opening 21 matching the shape of the light-transmissive block 4 is opened at the place where light is required, and at this time, the local light transmission is achieved by the light-transmissive block 4 at a specific position - the top plate light-transmissive opening 21 -. The light-transmissive block 4 is made of materials such as light-transmissive glass and light-transmissive acrylic blocks, and the surface of the light-transmissive block 4 is further frosted.
进一步的，当载台顶板2为全透光时，载台顶板2整体采用透光玻璃、透光亚克力块等材质，进一步的，对载台顶板2表面进行磨砂处理。Furthermore, when the platform top plate 2 is fully light-transmissive, the platform top plate 2 is made entirely of light-transmissive glass, light-transmissive acrylic blocks, and the like, and further, the surface of the platform top plate 2 is frosted.
进一步的，背光载台采用设有真空组件5的真空定位载台，真空组件5，用于向载台主体1的载台腔抽真空；在所述载台主体1的底面或侧面开设透气口15，用于连接所述真空组件5；在所述载台顶板2上开设顶板透气孔22，在透光块4上开设透光块透气孔41。Furthermore, the backlight stage adopts a vacuum positioning stage provided with a vacuum component 5, and the vacuum component 5 is used to evacuate the stage cavity of the stage body 1; a vent 15 is opened on the bottom surface or side surface of the stage body 1 for connecting the vacuum component 5; a top plate vent hole 22 is opened on the stage top plate 2, and a light-transmitting block vent hole 41 is opened on the light-transmitting block 4.
载台主体1的透气口15为单个圆孔形式，也可以采用外接法兰、气室和多个主体气孔的形式。外接法兰直接与真空组件连接，在载台主体1处从底面向上开设凹腔作为气室，凹腔底面、即对应的载台主体1的顶面开设多个所述主体气孔，使得载台腔与气室连通；所述气室与外接法兰之间设置气室盖板，以此形成从真空组件5、外接法兰、气室盖板、气室、主体气孔至载台腔的气路。The air vent 15 of the stage body 1 is in the form of a single circular hole, and can also be in the form of an external flange, an air chamber, and multiple main body air holes. The external flange is directly connected to the vacuum component, and a concave cavity is opened upward from the bottom surface of the stage body 1 as an air chamber, and a plurality of main body air holes are opened on the bottom surface of the concave cavity, that is, the corresponding top surface of the stage body 1, so that the stage cavity is connected to the air chamber; an air chamber cover plate is set between the air chamber and the external flange, so as to form an air path from the vacuum component 5, the external flange, the air chamber cover plate, the air chamber, the main body air holes to the stage cavity.
在所述载台顶板2上还设有定位件6，用于载台和/或承载物料的定位。A positioning member 6 is also provided on the platform top plate 2 for positioning the platform and/or the supported material.
具体示例中，定位件6采用基准块、mark点块等形式，基准块可以采用沿着载台顶板2的一个角处呈90度布置设置，可以是两块也可以是一整块，可以用于物料的快速顶靠定位。Mark点块可以在载台顶板2的工作台面的四个角处设置。In a specific example, the positioning member 6 is in the form of a reference block, a mark block, etc. The reference block can be arranged at 90 degrees along a corner of the platform top plate 2. It can be two blocks or a whole block, which can be used for rapid positioning of materials. The mark block can be set at the four corners of the work surface of the platform top plate 2.
在所述载台顶板2顶面侧边设有标定尺7。用于调整或定位的辅助测量。A calibration ruler 7 is provided on the side of the top surface of the platform top plate 2 for auxiliary measurement of adjustment or positioning.
进一步的，在所述载台主体1上还设置真空度检测表8，用于实时监测载台的真空吸附情况。Furthermore, a vacuum degree detection gauge 8 is also provided on the carrier body 1 for real-time monitoring of the vacuum adsorption condition of the carrier.
图未示的，一种激光设备，包括升降Z轴组件、相机镜头组件、激光头组件和物料载台，物料载台采用前述的背光载台；所述激光头组件或物料载台能在平面内移动。Not shown in the figure, a laser device includes a lifting Z-axis assembly, a camera lens assembly, a laser head assembly and a material carrier, and the material carrier adopts the aforementioned backlight carrier; the laser head assembly or the material carrier can move in a plane.
方案特点：背光载台采用内嵌式定制发光加工平台组件；产品放置在发光加工平台上，平台具有吸附功能，吸牢产品，同时具有背光发光功能，能打亮产品对应定位点位，相机抓取对应定位点，完成产品定位；内嵌式定制发光加工平台组件，可以根据客户需要定制发光区域的位置和大小，且发光加工平台具有吸附功能，发光加工平台采用玻璃内嵌技术，在保证发光的同时，不影响台面的精度。Solution features: The backlight stage adopts an embedded customized luminous processing platform component; the product is placed on the luminous processing platform, and the platform has an adsorption function to firmly absorb the product. It also has a backlight luminescence function to illuminate the corresponding positioning points of the product. The camera grabs the corresponding positioning points to complete the product positioning; the embedded customized luminous processing platform component can customize the position and size of the luminous area according to customer needs, and the luminous processing platform has an adsorption function. The luminous processing platform adopts glass embedded technology, which ensures luminescence without affecting the accuracy of the table.
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
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