WO2014048004A1 - Method for cutting quartz glass product using laser without contact and device thereof - Google Patents

Method for cutting quartz glass product using laser without contact and device thereof Download PDF

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Publication number
WO2014048004A1
WO2014048004A1 PCT/CN2012/083753 CN2012083753W WO2014048004A1 WO 2014048004 A1 WO2014048004 A1 WO 2014048004A1 CN 2012083753 W CN2012083753 W CN 2012083753W WO 2014048004 A1 WO2014048004 A1 WO 2014048004A1
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WO
WIPO (PCT)
Prior art keywords
quartz glass
laser
programmable controller
cutting
tube
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Application number
PCT/CN2012/083753
Other languages
French (fr)
Chinese (zh)
Inventor
陈士斌
周明强
马传和
徐同根
许志仁
Original Assignee
江苏太平洋石英股份有限公司
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Application filed by 江苏太平洋石英股份有限公司 filed Critical 江苏太平洋石英股份有限公司
Publication of WO2014048004A1 publication Critical patent/WO2014048004A1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/08—Severing cooled glass by fusing, i.e. by melting through the glass
    • C03B33/085—Tubes, rods or hollow products
    • C03B33/0855—Tubes, rods or hollow products using a focussed radiation beam, e.g. laser
    • 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
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/083—Devices involving movement of the workpiece in at least one axial direction
    • B23K26/0838—Devices involving movement of the workpiece in at least one axial direction by using an endless conveyor belt
    • B23K26/0846—Devices involving movement of the workpiece in at least one axial direction by using an endless conveyor belt for moving elongated workpieces longitudinally, e.g. wire or strip material
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/06—Cutting or splitting glass tubes, rods, or hollow products

Definitions

  • the invention relates to a method and device for non-contact laser cutting quartz glass products, in particular to a method for performing quartz glass tube broken tube or quartz glass rod broken rod by laser technology without contacting quartz glass tube or quartz glass rod And its equipment.
  • Quartz glass tube and quartz glass rod are made of hard and brittle, chemically stable Si0 2 material. Because of its high hardness and brittleness, it is difficult to cut. At present, it is mainly cut by dynamic glass knife or grinder. When the glass knife or the grinding wheel directly contacts the quartz glass tube or the quartz glass rod, the quartz glass tube is easily damaged, the qualification rate is greatly reduced, and the production efficiency is low. Therefore, in order to improve production and quality, reduce energy consumption, reduce labor costs, and reduce labor intensity, there is an urgent need for a cutting device and a cutting method that do not require contact with quartz glass products to complete automatic cutting of products.
  • the present invention provides a method and apparatus for contactless laser cutting of quartz glass articles.
  • the invention provides a method for non-contact laser cutting of quartz glass articles, the method comprising the following steps: Step A: using a laser beam emitted by a laser generator to fire a surface of a quartz glass product to form a broken tube groove; Step B: adopting The pneumatic device cuts off the quartz glass product that has the broken tube groove.
  • the quartz glass product is a quartz glass tube or a quartz glass rod; the step A also includes a step AO: using a caliper to measure the diameter of the quartz glass product outputted from the furnace former, and then pulling The pipe machine is used for pulling the pipe.
  • the diameter dimension measured by the caliper in the step AO is output to the meter externally connected to the caliper, and the drawing speed of the tube puller is controlled according to the diameter size displayed by the meter.
  • the photoelectric encoder is disposed in the tube drawing machine; the step A includes the following steps: Step A1: The photoelectric encoder outputs a pulse signal of the synchronous drawing speed of the tube drawing machine to the control computer.
  • Step A2 The control computer or the first programmable controller is based on real time The pulse signal of the synchronous drawing speed and the synchronous tracking controller scan the position information of the quartz glass product in real time to obtain the actual length dimension of the quartz glass product passing the front of the laser generator;
  • Step A3 The control computer or the first programmable controller judges the actual length Whether the length dimension reaches a predetermined cutting length dimension, and after the actual length dimension reaches a predetermined cutting length dimension, the control computer or the first programmable controller controls the laser generator to emit a laser beam, and the laser beam is fired on the surface of the quartz glass product.
  • Step B specifically includes the following steps: Step B1: The second programmable controller controls the cylinder movement in the pneumatic device, and cuts the valve through the cylinder control; Step B2: The quartz glass product cut by the pneumatic device Free fall to the product collection rack located below the cylinder, the product collection rack has an automatic sorting flip arm, and the automatic sorting flip arm is connected with the caliper, and the automatic sorting flip arm is controlled according to the diameter dimension measured by the caliper Flip the direction.
  • the invention provides a device for non-contact laser cutting quartz glass products, the device comprising a laser automatic cutting device and a pneumatic device;
  • the laser automatic cutting device comprises a laser generator, a control computer and a synchronous tracking controller, the pneumatic device
  • the device includes a second programmable controller, a cylinder, and a shut-off valve; the laser generator and the synchronous tracking controller are all connected to a control computer, and the control computer is connected to the second programmable controller, the second The programmable controller is connected to the cylinder, and the cylinder is connected to the shut-off valve.
  • the invention provides a device for non-contact laser cutting quartz glass products, further comprising a tube drawing machine, wherein the tube drawing machine is provided with a photoelectric encoder, the photoelectric encoder is connected with a control computer, and the tube drawing machine and the connecting machine A caliper is arranged between the formers of the furnace, and the meter is externally connected to the caliper.
  • the present invention provides a device for contactless laser cutting of a quartz glass article, the device comprising a laser automatic cutting device and a pneumatic device; the laser automatic cutting device comprising a laser generator and a synchronous tracking controller, the pneumatic device comprising a programmable controller, a cylinder and a shut-off valve; the synchronous tracking controller is connected to a first programmable controller of the laser generator, and the first programmable controller is connected to the second programmable controller The second programmable controller is coupled to the cylinder, and the cylinder is coupled to the shutoff valve.
  • the invention provides a device for non-contact laser cutting quartz glass products, further comprising a tube drawing machine, wherein the tube drawing machine is provided with a photoelectric encoder, and the photoelectric encoder is connected with the first programmable controller, the drawing tube machine A caliper is arranged between the former and the former of the furnace, and the caliper is externally connected with the meter.
  • a product collection rack is disposed under the pneumatic device, the product collection rack has an automatic sorting flip arm, and the automatic sorting flip arm is coupled to the caliper.
  • the invention has the advantages that: the invention provides a method and device for non-contact laser cutting quartz glass products, which can ensure product quality, reduce breakage, ensure the consistency of the cutting nozzle and the cross section of the rod, and greatly reduce waste.
  • the operation is safer. Since the laser cutting has no contact with the quartz glass tube or the quartz glass rod, there is no influence on the entire drawing tube system, so the speed of the drawing tube and the pulling rod can be increased, the production cost can be reduced, the labor intensity of the worker can be reduced, and the output can be improved.
  • FIG. 1 is a schematic view showing the structure of a device for contactless laser cutting of quartz glass articles provided by the present invention.
  • 1-connected furnace 2- caliper; 3-tube puller; 4-laser generator; 5-cylinder; 6-quartz glass tube or quartz glass rod; 7-product collection frame; . detailed description
  • the present invention provides a method for non-contact laser cutting quartz glass products and a cutting device thereof, and is particularly suitable for cutting quartz glass tubes or quartz glass rod products, and in this embodiment, a method suitable for quartz glass is provided.
  • the non-contact laser cutting method of the glass tube or the quartz glass rod and the cutting device thereof, wherein the non-contact laser cutting method mainly comprises the following steps: Step 1: The quartz glass tube and the quartz glass rod continuously produced in the continuous furnace 1 are formed.
  • the device After being formed, the device is outwardly output, and is continuously conveyed to the horizontal pipe drawing machine 3 by the guide wheel 8, and the quartz glass tube or the quartz glass rod 6 of the prescribed diameter is pulled out by the tube puller 3; and is output from the former.
  • the diameter of the quartz glass tube or the quartz glass rod 6 is measured by the caliper 2, and the diameter change of the quartz glass tube or the quartz glass rod 6 is found in advance. In the case, the measured diameters of the quartz glass tube and the quartz glass rod are outputted to the meter for display, and the drawing speed of the tube puller 3 is controlled manually according to the diameter of the quartz glass tube or the quartz glass rod 6.
  • Step 2 The drawing machine 3 is provided with a photoelectric encoder, and the photoelectric encoder outputs the pulse signal of the synchronous drawing speed of the horizontal drawing machine 3 to the first programmable control of the control computer or the laser generator 4 in real time.
  • PLC the first programmable controller of the control computer or laser generator 4 controls the synchronous tracking controller to track the forward moving quartz glass tube or quartz glass rod 6 in real time
  • control the computer or laser generator 4 A programmable controller scans the position information of the quartz glass tube or the quartz glass rod 6 in real time according to the received pulse signal of the real-time synchronous drawing speed and the synchronous tracking controller, and obtains the quartz glass tube or the quartz glass rod 6 through the laser generator 4
  • the actual length dimension of the front when the actual length dimension reaches a predetermined cutting length dimension, the first programmable controller of the control computer or laser generator 4 controls the laser generator 4 to start, emits a laser beam, and passes the laser beam in the quartz glass
  • the surface of the tube or quartz glass rod 6 is fired to produce the desired tube rece
  • Step 3 After completing the laser beam firing the broken tube groove, the first programmable controller of the control computer or the laser generator 4 sends a cut-off pulse signal to the pneumatic device, and the second programmable controller (PLC) receives the pneumatic device. After the broken or broken rod pulse signal, the cylinder 5 in the pneumatic device is driven according to the broken or broken pulse signal, and the shut-off valve is pushed to break or break the rod.
  • PLC programmable controller
  • Step 4 After the valve is cut off or broken, the broken quartz glass tube or quartz glass rod 6 is freely dropped onto the product collection frame 7 with the automatic sorting flip arm, and the automatic sorting flip arm and the caliper The meter 2 is connected, and the diameter information of the quartz glass tube or the quartz glass rod 6 measured in the caliper 2 is used to control the turning of the automatic sorting flip arm.
  • the automatic division is performed. Selecting the flip arm to invert the qualified product to the direction of the finished collection table on the side of the product collection rack 7 .
  • the unqualified product is turned over to the unqualified by the automatic sorting flip arm.
  • Product collection station direction Product collection station direction.
  • the finished product and the non-conforming product are collected separately through the finished product collection table and the non-conforming product collection station.
  • the invention also provides a device for non-contact laser cutting of a quartz glass tube or a quartz glass rod 6, as shown in Fig. 1, the apparatus comprises a laser automatic cutting device, a pneumatic device, a product collection frame 7, a tube drawing machine 3, and a caliper Instrument 2.
  • the laser automatic cutting device comprises a control computer, a laser generator 4 and a synchronous tracking controller, or the laser automatic cutting device is a laser generator 4 having a second programmable controller and a synchronous tracking controller.
  • the quartz glass tube or the quartz glass rod 6 produced by the furnace 1 is outputted into the tube drawing machine 3 through the former, and a caliper 2 is also arranged between the tube drawing machine 3 and the former, and the tube drawing machine 3 is provided.
  • a photoelectric encoder is provided, and the photoelectric encoder is connected with a control computer or a second programmable controller. When the photoelectric encoder is connected to the control computer, the control computer is connected with the laser generator 4 and the synchronous tracking controller; when the photoelectric encoder is connected When the first programmable controller is used, the first programmable controller is connected to the synchronous tracking controller. The synchronous drawing speed pulse signal from the photoelectric encoder is received by the control computer or the first programmable controller.
  • the control computer or the first programmable controller converts the signal into a length dimension of the quartz glass tube or the quartz glass rod 6, and determines whether the length dimension meets a predetermined length dimension requirement, and when the requirement is met, the control computer or the first
  • the programmable controller controls the laser generator 4 to start, and simultaneously controls the synchronous tracking controller to scan the quartz glass tube or the quartz glass rod 6, and the laser generator 4 fires the groove on the quartz glass tube or the quartz glass rod 6 by the laser beam.
  • the depth of the groove meets the need for a broken pipe.
  • the control computer or the first programmable controller is further connected to the pneumatic device, in particular to the control computer or the first programmable controller and the second programmable controller in the pneumatic device, the second programmable controller is connected to the cylinder 5
  • the cylinder is pushed through the cylinder 5 to cut or break the rod.
  • a product collection frame 7 is provided below the pneumatic device, after receiving the broken pipe or the broken bar, the product collection frame 7 has an automatic sorting flip arm, and the automatic sorting flip arm is connected with the caliper 2, and the diameter is measured.
  • the diameter of the quartz glass tube or the quartz glass rod 6 measured by the instrument 2 is used to sort the qualified and unqualified products. When the diameter size meets the specified diameter size requirements, the qualified product is turned over to the 7 by the automatic sorting flip arm.
  • the unqualified product is turned over to the non-conforming product collection table by the automatic sorting flip arm. Collecting raw materials through the finished collection table and the non-conforming product collection desk Finished products, non-conforming products.
  • the invention provides a method and device for non-contact laser cutting quartz glass products, which can be applied to the cutting of quartz glass products produced under various drawing tube methods, and is especially suitable for quartz glass products in the horizontal and vertical pulling tube direction. Cutting. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are within the scope of the present invention. The scope of the invention is defined by the claims.

Abstract

Disclosed is a method for cutting a quartz glass product using a laser without contact and a device thereof. The method specifically is: burning the quartz glass product being with a laser beam emitted by a laser generator to form a broken pipe groove, and then cut the quartz glass product with a pneumatic device. A device for cutting a quartz glass product provided by the present invention comprises an automatic laser cutting device and a pneumatic device. The laser cutting method and device provided by the present invention can ensure the product quality, decrease breaks, ensure the consistency between a cutting nozzle and a stick cross section, reduce wastes, and make operations safer. The laser cuts a quartz glass pipe or quartz glass stick without contact, which can improve the pipe and stick pulling speed, decrease the production cost, reduce labor intensity of workers, and improve the yield.

Description

无接触激光切割石英玻璃制品的方法及其装置 技术领域  Method and device for non-contact laser cutting quartz glass product
本发明涉及一种无接触激光切割石英玻璃制品的方法及其装置，尤其涉及一 种通过激光技术， 不接触石英玻璃管或石英玻璃棒， 进行石英玻璃管断管或石英 玻璃棒断棒的方法及其装置。  The invention relates to a method and device for non-contact laser cutting quartz glass products, in particular to a method for performing quartz glass tube broken tube or quartz glass rod broken rod by laser technology without contacting quartz glass tube or quartz glass rod And its equipment.
背景技术 Background technique
石英玻璃管、 石英玻璃棒的材料为一种坚硬而又易碎、 化学性能稳定的 Si02 材料， 因为硬度高且易碎， 所以很难切断， 目前主要是采用动态玻璃刀或砂轮机 进行切断， 由于玻璃刀或砂轮片直接接触石英玻璃管或石英玻璃棒时， 易造成石 英玻璃管损坏， 合格率大幅下降， 且生产效率低下。 因此为提高产量和质量， 降 低能源消耗， 降低劳动成本以及降低劳动强度， 急需一种不需要接触石英玻璃制 品完成自动切断产品的切断装置及切断方法。 Quartz glass tube and quartz glass rod are made of hard and brittle, chemically stable Si0 2 material. Because of its high hardness and brittleness, it is difficult to cut. At present, it is mainly cut by dynamic glass knife or grinder. When the glass knife or the grinding wheel directly contacts the quartz glass tube or the quartz glass rod, the quartz glass tube is easily damaged, the qualification rate is greatly reduced, and the production efficiency is low. Therefore, in order to improve production and quality, reduce energy consumption, reduce labor costs, and reduce labor intensity, there is an urgent need for a cutting device and a cutting method that do not require contact with quartz glass products to complete automatic cutting of products.
发明内容 Summary of the invention
针对现有技术中存在的问题，本发明提供一种无接触激光切割石英玻璃制品 的方法及其装置。 本发明提供一种无接触激光切割石英玻璃制品的方法， 该方法包括以下步 骤： 步骤 A: 采用激光发生器发射的激光束在石英玻璃制品表面烧制形成一断管 凹槽； 步骤 B: 采用气动装置对烧制有断管凹槽的石英玻璃制品进行切断。 所述的石英玻璃制品为石英玻璃管或石英玻璃棒； 所述的步骤 A之前还包括有一步骤 AO: 采用测径仪测定连熔炉成型器向外 输出的石英玻璃制品的直径尺寸， 然后采用拉管机进行拉管。 所述的步骤 AO中测径仪测定的直径尺寸输出至测径仪外接的仪表中， 并根 据仪表显示的直径尺寸控制拉管机的拉制速度。 所述的步骤 AO中拉管机中设置有光电编码器； 所述的步骤 A具体包括以下几个步骤： 步骤 A1 : 光电编码器将拉管机的同步拉制速度的脉冲信号输出至控制计算 机或激光发生器的第一可编程控制器中，控制计算机或第一可编程控制器控制同 步追踪控制器实时跟踪扫描移动的石英玻璃制品； 步骤 A2 : 控制计算机或第一可编程控制器根据实时同步拉制速度的脉冲信 号以及同步追踪控制器实时扫描石英玻璃制品的位置信息，获得石英玻璃制品通 过激光发生器前方的实际长度尺寸； 步骤 A3 : 控制计算机或第一可编程控制器判断该实际长度尺寸是否达到预 定切割长度尺寸， 当该实际长度尺寸达到预定切割长度尺寸后， 控制计算机或第 一可编程控制器控制激光发生器发出激光束，通过激光束在石英玻璃制品的表面 烧制形成一断管凹槽；同时控制计算机或第一可编程控制器向气动装置的第二可 编程控制器发出切断脉冲信号。 所述的步骤 B具体包括以下几个步骤： 步骤 B 1 : 气动装置中第二可编程控制器控制气缸运动， 并通过气缸控制切 断阀进行切断； 步骤 B2 : 经气动装置切断后的石英玻璃制品自由下落至位于气缸下方的产 品收集架， 该产品收集架具有自动分选翻转臂， 并且该自动分选翻转臂与测径仪 连接， 根据测径仪测定的直径尺寸控制自动分选翻转臂的翻转方向。 本发明提供一种无接触激光切割石英玻璃制品的装置，该装置包括激光自动 切割装置和气动装置； 所述的激光自动切割装置包括激光发生器、控制计算机和 同步追踪控制器， 所述的气动装置包括第二可编程控制器、气缸和切断阀； 所述 的激光发生器、 同步追踪控制器均与控制计算机连接， 所述的控制计算机与第二 可编程控制器连接，所述的第二可编程控制器与气缸连接， 所述的气缸与切断阀 连接。 本发明提供一种无接触激光切割石英玻璃制品的装置，还包括拉管机， 该拉 管机中设置有光电编码器， 该光电编码器与控制计算机连接， 所述的拉管机与连 熔炉的成型器之间设置有测径仪， 并且该测径仪外接有仪表。 本发明提供一种无接触激光切割石英玻璃制品的装置，该装置包括激光自动 切割装置和气动装置；所述的激光自动切割装置包括激光发生器和同步追踪控制 器， 所述的气动装置包括第二可编程控制器、气缸和切断阀； 所述的同步追踪控 制器与激光发生器的第一可编程控制器连接，所述的第一可编程控制器与第二可 编程控制器连接，所述的第二可编程控制器与气缸连接， 所述的气缸与切断阀连 接。 本发明提供一种无接触激光切割石英玻璃制品的装置，还包括拉管机， 该拉 管机中设置有光电编码器，光电编码器与第一可编程控制器连接， 所述的拉管机 与连熔炉的成型器之间设置有测径仪， 且该测径仪外接有仪表。 所述的气动装置的下方设置有产品收集架，该产品收集架具有自动分选翻转 臂， 并且该自动分选翻转臂与测径仪连接。 本发明具有的优点在于： 本发明提供一种无接触激光切割石英玻璃制品的方法及其装置，可以保证产 品质量， 减少破口， 保证切割管口、 棒口截面的一致性， 大大减少浪费， 使操作 更加安全， 因激光切割对石英玻璃管或石英玻璃棒无接触， 所以对整个拉管系统 没有一点影响因此能提高拉管、 拉棒速度， 降低生产成本， 减轻工人劳动强度， 提高产量。 In view of the problems in the prior art, the present invention provides a method and apparatus for contactless laser cutting of quartz glass articles. The invention provides a method for non-contact laser cutting of quartz glass articles, the method comprising the following steps: Step A: using a laser beam emitted by a laser generator to fire a surface of a quartz glass product to form a broken tube groove; Step B: adopting The pneumatic device cuts off the quartz glass product that has the broken tube groove. The quartz glass product is a quartz glass tube or a quartz glass rod; the step A also includes a step AO: using a caliper to measure the diameter of the quartz glass product outputted from the furnace former, and then pulling The pipe machine is used for pulling the pipe. The diameter dimension measured by the caliper in the step AO is output to the meter externally connected to the caliper, and the drawing speed of the tube puller is controlled according to the diameter size displayed by the meter. In the step AO, the photoelectric encoder is disposed in the tube drawing machine; the step A includes the following steps: Step A1: The photoelectric encoder outputs a pulse signal of the synchronous drawing speed of the tube drawing machine to the control computer. Or the first programmable controller of the laser generator, the control computer or the first programmable controller controls the synchronous tracking controller to track the moving quartz glass products in real time; Step A2: The control computer or the first programmable controller is based on real time The pulse signal of the synchronous drawing speed and the synchronous tracking controller scan the position information of the quartz glass product in real time to obtain the actual length dimension of the quartz glass product passing the front of the laser generator; Step A3: The control computer or the first programmable controller judges the actual length Whether the length dimension reaches a predetermined cutting length dimension, and after the actual length dimension reaches a predetermined cutting length dimension, the control computer or the first programmable controller controls the laser generator to emit a laser beam, and the laser beam is fired on the surface of the quartz glass product. a broken tube groove; at the same time controlling the computer or the first editable Cutting off the controller sends a pulse signal to the programmable controller a second pneumatic device. The step B specifically includes the following steps: Step B1: The second programmable controller controls the cylinder movement in the pneumatic device, and cuts the valve through the cylinder control; Step B2: The quartz glass product cut by the pneumatic device Free fall to the product collection rack located below the cylinder, the product collection rack has an automatic sorting flip arm, and the automatic sorting flip arm is connected with the caliper, and the automatic sorting flip arm is controlled according to the diameter dimension measured by the caliper Flip the direction. The invention provides a device for non-contact laser cutting quartz glass products, the device comprising a laser automatic cutting device and a pneumatic device; the laser automatic cutting device comprises a laser generator, a control computer and a synchronous tracking controller, the pneumatic device The device includes a second programmable controller, a cylinder, and a shut-off valve; the laser generator and the synchronous tracking controller are all connected to a control computer, and the control computer is connected to the second programmable controller, the second The programmable controller is connected to the cylinder, and the cylinder is connected to the shut-off valve. The invention provides a device for non-contact laser cutting quartz glass products, further comprising a tube drawing machine, wherein the tube drawing machine is provided with a photoelectric encoder, the photoelectric encoder is connected with a control computer, and the tube drawing machine and the connecting machine A caliper is arranged between the formers of the furnace, and the meter is externally connected to the caliper. The present invention provides a device for contactless laser cutting of a quartz glass article, the device comprising a laser automatic cutting device and a pneumatic device; the laser automatic cutting device comprising a laser generator and a synchronous tracking controller, the pneumatic device comprising a programmable controller, a cylinder and a shut-off valve; the synchronous tracking controller is connected to a first programmable controller of the laser generator, and the first programmable controller is connected to the second programmable controller The second programmable controller is coupled to the cylinder, and the cylinder is coupled to the shutoff valve. The invention provides a device for non-contact laser cutting quartz glass products, further comprising a tube drawing machine, wherein the tube drawing machine is provided with a photoelectric encoder, and the photoelectric encoder is connected with the first programmable controller, the drawing tube machine A caliper is arranged between the former and the former of the furnace, and the caliper is externally connected with the meter. A product collection rack is disposed under the pneumatic device, the product collection rack has an automatic sorting flip arm, and the automatic sorting flip arm is coupled to the caliper. The invention has the advantages that: the invention provides a method and device for non-contact laser cutting quartz glass products, which can ensure product quality, reduce breakage, ensure the consistency of the cutting nozzle and the cross section of the rod, and greatly reduce waste. The operation is safer. Since the laser cutting has no contact with the quartz glass tube or the quartz glass rod, there is no influence on the entire drawing tube system, so the speed of the drawing tube and the pulling rod can be increased, the production cost can be reduced, the labor intensity of the worker can be reduced, and the output can be improved.
附图说明 DRAWINGS
图 1是本发明提供的无接触激光切割石英玻璃制品的装置的结构示意图。 图中： 1-连熔炉； 2-测径仪； 3-拉管机； 4-激光发生器； 5-气缸； 6-石英玻 璃管或石英玻璃棒； 7-产品收集架； 8-导向轮。 具体实施方式  BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing the structure of a device for contactless laser cutting of quartz glass articles provided by the present invention. In the figure: 1-connected furnace; 2- caliper; 3-tube puller; 4-laser generator; 5-cylinder; 6-quartz glass tube or quartz glass rod; 7-product collection frame; . detailed description
下面结合附图对本发明作进一步说明，以使本领域的技术人员可以更好的理 解本发明并能予以实施， 但不作为对本发明的限定。 本发明提供一种无接触激光切割石英玻璃制品的方法及其切割装置，尤其适 用于石英玻璃管或石英玻璃棒制品的切割，在本实施例中提供一种适用于石英玻 璃管或石英玻璃棒的无接触激光切割方法及其切割装置，其中的无接触激光切割 方法主要包括以下几个步骤： 步骤一： 连熔炉 1中连续生产的石英玻璃管、石英玻璃棒经成型器成型后向 外输出，在导向轮 8作用下不断传送至向水平拉管机 3中， 经拉管机 3的拉出规 定直径尺寸的石英玻璃管或石英玻璃棒 6; 并且从成型器输出后， 在进入水平拉 管机 3进行拉管或拉棒之前， 还要经过测径仪 2测定石英玻璃管或石英玻璃棒 6 的直径尺寸，提前发现石英玻璃管或石英玻璃棒 6的直径变化情况， 并将测定的 石英玻璃管、石英玻璃棒的直径尺寸输出至仪表中进行显示， 再由人工根据石英 玻璃管或石英玻璃棒 6的直径尺寸来控制拉管机 3的拉制速度。 步骤二： 所述的拉管机 3上设置有光电编码器， 光电编码器将水平拉管机 3 的同步拉制速度的脉冲信号实时输出至控制计算机或激光发生器 4 的第一可编 程控制器 （PLC) 中， 控制计算机或激光发生器 4的第一可编程控制器控制同步 追踪控制器实时跟踪扫描向前移动的石英玻璃管或石英玻璃棒 6， 控制计算机或 激光发生器 4 的第一可编程控制器根据收到的实时同步拉制速度的脉冲信号以 及同步追踪控制器实时扫描石英玻璃管或石英玻璃棒 6的位置信息，获得石英玻 璃管或石英玻璃棒 6通过激光发生器 4前方的实际长度尺寸，当该实际长度尺寸 达到预定切割长度尺寸后，控制计算机或激光发生器 4的第一可编程控制器控制 激光发生器 4 启动， 发出激光束， 通过该激光束在石英玻璃管或石英玻璃棒 6 的表面烧制出所需的断管凹槽， 该断管凹槽的深度（通过调节激光发生器 4的功 率来实现的） 需要满足气动装置进行断管或断棒的深度要求。 步骤三： 完成激光束烧制断管凹槽后， 控制计算机或激光发生器 4的第一可 编程控制器向气动装置发出一切断脉冲信号， 气动装置中第二可编程控制器 (PLC ) 接收到该断管或断棒脉冲信号后， 根据该断管或断脉冲信号驱动气动装 置中的气缸 5工作， 推动切断阀进行断管或断棒。 步骤四： 切断阀进行断管或断棒后， 断落的石英玻璃管或石英玻璃棒 6自由 下落到具有自动分选翻转臂的产品收集架 7上，并且该自动分选翻转臂与测径仪 2连接， 测径仪 2中测定的石英玻璃管或石英玻璃棒 6的直径尺寸信息用于控制 自动分选翻转臂的翻转， 当该直径尺寸符合规定的直径尺寸要求时， 通过自动分 选翻转臂将合格的产品翻转至产品收集架 7—侧的成品收集台方向，当该直径尺 寸不符合规定的直径尺寸要求时，则通过自动分选翻转臂将不合格的产品翻转至 不合格品收集台方向。通过成品收集台、不合格品收集台分别收集生产出的成品、 不合格品。 本发明还提供一种无接触激光切割石英玻璃管或石英玻璃棒 6的装置，如图 1所示， 该装置包括激光自动切割装置、 气动装置、 产品收集架 7、 拉管机 3以 及测径仪 2。 所述的激光自动切割装置包括控制计算机、 激光发生器 4以及同步 追踪控制器， 或者激光自动切割装置为具有第二可编程控制器的激光发生器 4 以及同步追踪控制器。 连熔炉 1 生产出的石英玻璃管或石英玻璃棒 6经成型器中输出至拉管机 3 中， 并且在拉管机 3与成型器之间还设置有测径仪 2， 拉管机 3中设置有光电编 码器， 该光电编码器连接有控制计算机或第二可编程控制器， 当光电编码器连接 控制计算机时， 控制计算机连接有激光发生器 4、 同步追踪控制器； 当光电编码 器连接第一可编程控制器时，第一可编程控制器连接同步追踪控制器。通过控制 计算机或第一可编程控制器接收光电编码器发出的同步拉制速度脉冲信号。控制 计算机或第一可编程控制器将该信号换算为石英玻璃管或石英玻璃棒 6 的长度 尺寸， 并判断该长度尺寸是否达到预定切割的长度尺寸要求， 当满足要求时， 控 制计算机或第一可编程控制器控制激光发生器 4启动，同时控制同步追踪控制器 扫描石英玻璃管或石英玻璃棒 6， 激光发生器 4通过激光束在石英玻璃管或石英 玻璃棒 6上烧制凹槽。 该凹槽的深度满足断管需求。 控制计算机或第一可编程控制器还与气动装置连接，具体为控制计算机或第 一可编程控制器与气动装置中的第二可编程控制器连接，该第二可编程控制器与 气缸 5连接，通过气缸 5推动切断阀进行断管或断棒。并且在气动装置的下方设 置有接收断管或断棒后的产品收集架 7， 该产品收集架 7具有自动分选翻转臂， 并且该自动分选翻转臂与测径仪 2连接，通过测径仪 2测定的石英玻璃管或石英 玻璃棒 6的直径尺寸来分选合格与不合格产品，当该直径尺寸符合规定的直径尺 寸要求时， 通过自动分选翻转臂将合格的产品翻转至 7—侧的成品收集台方向， 当该直径尺寸不等于规定的直径尺寸要求时，则通过自动分选翻转臂将不合格的 产品翻转至不合格品收集台方向。通过成品收集台、不合格品收集台分别收集生 产出的成品、 不合格品。 本发明提供一种无接触激光切割石英玻璃制品的方法及其装置，可以适用于 各种拉管方法下生产的石英玻璃制品的切割，尤其适用于水平及竖直拉管方向下 的石英玻璃制品的切割。 本技术领域的技术人员在本发明基础上所作的等同替代或变换，均在本发明 的保护范围之内。 本发明的保护范围以权利要求书为准。 The present invention will be further described in conjunction with the accompanying drawings, which are to be understood by those skilled in the art. The invention provides a method for non-contact laser cutting quartz glass products and a cutting device thereof, and is particularly suitable for cutting quartz glass tubes or quartz glass rod products, and in this embodiment, a method suitable for quartz glass is provided. The non-contact laser cutting method of the glass tube or the quartz glass rod and the cutting device thereof, wherein the non-contact laser cutting method mainly comprises the following steps: Step 1: The quartz glass tube and the quartz glass rod continuously produced in the continuous furnace 1 are formed. After being formed, the device is outwardly output, and is continuously conveyed to the horizontal pipe drawing machine 3 by the guide wheel 8, and the quartz glass tube or the quartz glass rod 6 of the prescribed diameter is pulled out by the tube puller 3; and is output from the former. After that, before entering the horizontal pipe drawing machine 3 to pull the pipe or pull the rod, the diameter of the quartz glass tube or the quartz glass rod 6 is measured by the caliper 2, and the diameter change of the quartz glass tube or the quartz glass rod 6 is found in advance. In the case, the measured diameters of the quartz glass tube and the quartz glass rod are outputted to the meter for display, and the drawing speed of the tube puller 3 is controlled manually according to the diameter of the quartz glass tube or the quartz glass rod 6. Step 2: The drawing machine 3 is provided with a photoelectric encoder, and the photoelectric encoder outputs the pulse signal of the synchronous drawing speed of the horizontal drawing machine 3 to the first programmable control of the control computer or the laser generator 4 in real time. (PLC), the first programmable controller of the control computer or laser generator 4 controls the synchronous tracking controller to track the forward moving quartz glass tube or quartz glass rod 6 in real time, and control the computer or laser generator 4 A programmable controller scans the position information of the quartz glass tube or the quartz glass rod 6 in real time according to the received pulse signal of the real-time synchronous drawing speed and the synchronous tracking controller, and obtains the quartz glass tube or the quartz glass rod 6 through the laser generator 4 The actual length dimension of the front, when the actual length dimension reaches a predetermined cutting length dimension, the first programmable controller of the control computer or laser generator 4 controls the laser generator 4 to start, emits a laser beam, and passes the laser beam in the quartz glass The surface of the tube or quartz glass rod 6 is fired to produce the desired tube recess, the depth of the tube recess (by regulation) 4 Generator power to achieve) is required to meet the desired depth means a pneumatic tube or rod breaking off. Step 3: After completing the laser beam firing the broken tube groove, the first programmable controller of the control computer or the laser generator 4 sends a cut-off pulse signal to the pneumatic device, and the second programmable controller (PLC) receives the pneumatic device. After the broken or broken rod pulse signal, the cylinder 5 in the pneumatic device is driven according to the broken or broken pulse signal, and the shut-off valve is pushed to break or break the rod. Step 4: After the valve is cut off or broken, the broken quartz glass tube or quartz glass rod 6 is freely dropped onto the product collection frame 7 with the automatic sorting flip arm, and the automatic sorting flip arm and the caliper The meter 2 is connected, and the diameter information of the quartz glass tube or the quartz glass rod 6 measured in the caliper 2 is used to control the turning of the automatic sorting flip arm. When the diameter size meets the specified diameter size requirement, the automatic division is performed. Selecting the flip arm to invert the qualified product to the direction of the finished collection table on the side of the product collection rack 7 . When the diameter dimension does not meet the specified diameter size requirement, the unqualified product is turned over to the unqualified by the automatic sorting flip arm. Product collection station direction. The finished product and the non-conforming product are collected separately through the finished product collection table and the non-conforming product collection station. The invention also provides a device for non-contact laser cutting of a quartz glass tube or a quartz glass rod 6, as shown in Fig. 1, the apparatus comprises a laser automatic cutting device, a pneumatic device, a product collection frame 7, a tube drawing machine 3, and a caliper Instrument 2. The laser automatic cutting device comprises a control computer, a laser generator 4 and a synchronous tracking controller, or the laser automatic cutting device is a laser generator 4 having a second programmable controller and a synchronous tracking controller. The quartz glass tube or the quartz glass rod 6 produced by the furnace 1 is outputted into the tube drawing machine 3 through the former, and a caliper 2 is also arranged between the tube drawing machine 3 and the former, and the tube drawing machine 3 is provided. A photoelectric encoder is provided, and the photoelectric encoder is connected with a control computer or a second programmable controller. When the photoelectric encoder is connected to the control computer, the control computer is connected with the laser generator 4 and the synchronous tracking controller; when the photoelectric encoder is connected When the first programmable controller is used, the first programmable controller is connected to the synchronous tracking controller. The synchronous drawing speed pulse signal from the photoelectric encoder is received by the control computer or the first programmable controller. The control computer or the first programmable controller converts the signal into a length dimension of the quartz glass tube or the quartz glass rod 6, and determines whether the length dimension meets a predetermined length dimension requirement, and when the requirement is met, the control computer or the first The programmable controller controls the laser generator 4 to start, and simultaneously controls the synchronous tracking controller to scan the quartz glass tube or the quartz glass rod 6, and the laser generator 4 fires the groove on the quartz glass tube or the quartz glass rod 6 by the laser beam. The depth of the groove meets the need for a broken pipe. The control computer or the first programmable controller is further connected to the pneumatic device, in particular to the control computer or the first programmable controller and the second programmable controller in the pneumatic device, the second programmable controller is connected to the cylinder 5 The cylinder is pushed through the cylinder 5 to cut or break the rod. And a product collection frame 7 is provided below the pneumatic device, after receiving the broken pipe or the broken bar, the product collection frame 7 has an automatic sorting flip arm, and the automatic sorting flip arm is connected with the caliper 2, and the diameter is measured. The diameter of the quartz glass tube or the quartz glass rod 6 measured by the instrument 2 is used to sort the qualified and unqualified products. When the diameter size meets the specified diameter size requirements, the qualified product is turned over to the 7 by the automatic sorting flip arm. The direction of the finished product collection table on the side. When the diameter size is not equal to the specified diameter size requirement, the unqualified product is turned over to the non-conforming product collection table by the automatic sorting flip arm. Collecting raw materials through the finished collection table and the non-conforming product collection desk Finished products, non-conforming products. The invention provides a method and device for non-contact laser cutting quartz glass products, which can be applied to the cutting of quartz glass products produced under various drawing tube methods, and is especially suitable for quartz glass products in the horizontal and vertical pulling tube direction. Cutting. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are within the scope of the present invention. The scope of the invention is defined by the claims.

Claims

权利要求 Rights request
1.一种无接触激光切割石英玻璃制品的方法，其特征在于，该方法包括以下步骤: 步骤 A: 采用激光发生器发射的激光束在石英玻璃制品表面烧制形成一断管 凹槽； 步骤 B: 采用气动装置对烧制有断管凹槽的石英玻璃制品进行切断。  A method for non-contact laser cutting of a quartz glass article, the method comprising the steps of: Step A: firing a laser beam emitted from a laser generator on a surface of a quartz glass article to form a broken tube groove; B: The quartz glass product in which the broken tube groove is fired is cut by a pneumatic device.
2.根据权利要求 1所述的无接触激光切割石英玻璃制品的方法，其特征在于， 所 述的石英玻璃制品为石英玻璃管或石英玻璃棒； 所述的步骤 A之前还包括有一步骤 AO: 采用测径仪测定连熔炉成型器向外 输出的石英玻璃制品的直径尺寸， 然后采用拉管机进行拉管。 2 . The method of claim 1 , wherein the quartz glass product is a quartz glass tube or a quartz glass rod; and the step A further comprises a step AO: The diameter of the quartz glass product outputted from the furnace former is measured by a caliper, and then the tube is drawn by a tube puller.
3.根据权利要求 2所述的无接触激光切割石英玻璃制品的方法，其特征在于， 所 述的步骤 AO中测径仪测定的直径尺寸输出至测径仪外接的仪表中， 并根据仪表 显示的直径尺寸控制拉管机的拉制速度。 The method of claim 2, wherein the diameter dimension measured by the caliper in the step AO is output to an external meter of the caliper, and is displayed according to the meter. The diameter dimension controls the drawing speed of the tube puller.
4.根据权利要求 3所述的无接触激光切割石英玻璃制品的方法，其特征在于， 所 述的步骤 AO中拉管机中设置有光电编码器； 所述的步骤 A具体包括以下几个步骤： 步骤 A1 : 光电编码器将拉管机的同步拉制速度的脉冲信号输出至控制计算 机或激光发生器的第一可编程控制器中，控制计算机或第一可编程控制器控制同 步追踪控制器实时跟踪扫描移动的石英玻璃制品； 步骤 A2 : 控制计算机或第一可编程控制器根据实时同步拉制速度的脉冲信 号以及同步追踪控制器实时扫描石英玻璃制品的位置信息，获得石英玻璃制品通 过激光发生器前方的实际长度尺寸； 步骤 A3 : 控制计算机或第一可编程控制器判断该实际长度尺寸是否达到预 定切割长度尺寸， 当该实际长度尺寸达到预定切割长度尺寸后， 控制计算机或第 一可编程控制器控制激光发生器发出激光束，通过激光束在石英玻璃制品的表面 烧制形成一断管凹槽；同时控制计算机或第一可编程控制器向气动装置的第二可 编程控制器发出切断脉冲信号。 The method of claim 3, wherein the step AO is provided with a photoelectric encoder; the step A comprises the following steps: Step A1: The photoelectric encoder outputs a pulse signal of the synchronous drawing speed of the tube puller to the first programmable controller of the control computer or the laser generator, and the control computer or the first programmable controller controls the synchronous tracking controller. Real-time tracking of the moving quartz glass product; Step A2: The control computer or the first programmable controller scans the position information of the quartz glass product in real time according to the real-time synchronous drawing pulse signal and the synchronous tracking controller to obtain the quartz glass product through the laser The actual length dimension in front of the generator; Step A3: The control computer or the first programmable controller determines whether the actual length dimension reaches a predetermined cutting length dimension, and when the actual length dimension reaches a predetermined cutting length dimension, the control computer or the A programmable controller controls the laser generator to emit a laser beam, and the laser beam is fired on the surface of the quartz glass product to form a broken tube groove; and the second programmable control of the control computer or the first programmable controller to the pneumatic device The device sends a cut-off pulse signal.
5.根据权利要求 4所述的无接触激光切割石英玻璃制品的方法，其特征在于， 所 述的步骤 B具体包括以下几个步骤： 步骤 B 1 : 气动装置中第二可编程控制器控制气缸运动， 并通过气缸控制切 断阀进行切断； 步骤 B2 : 经气动装置切断后的石英玻璃制品自由下落至位于气缸下方的产 品收集架， 该产品收集架具有自动分选翻转臂， 并且该自动分选翻转臂与测径仪 连接， 根据测径仪测定的直径尺寸控制自动分选翻转臂的翻转方向。 The method of claim 4, wherein the step B comprises the following steps: Step B1: The second programmable controller controls the cylinder in the pneumatic device Movement, and cutting by the cylinder control shut-off valve; Step B2: The quartz glass product cut by the pneumatic device is freely dropped to the product collection frame located under the cylinder, the product collection frame has an automatic sorting flip arm, and the automatic sorting The flip arm is connected to the caliper, and the flip direction of the flip arm is automatically controlled according to the diameter dimension measured by the caliper.
6.—种无接触激光切割石英玻璃制品的装置，其特征在于， 该装置包括激光自动 切割装置和气动装置； 所述的激光自动切割装置包括激光发生器、控制计算机和 同步追踪控制器， 所述的气动装置包括第二可编程控制器、气缸和切断阀； 所述 的激光发生器、 同步追踪控制器均与控制计算机连接， 所述的控制计算机与第二 可编程控制器连接，所述的第二可编程控制器与气缸连接， 所述的气缸与切断阀 连接。 6. A device for contactless laser cutting of quartz glass articles, characterized in that the device comprises a laser automatic cutting device and a pneumatic device; the laser automatic cutting device comprises a laser generator, a control computer and a synchronous tracking controller, The pneumatic device includes a second programmable controller, a cylinder, and a shut-off valve; the laser generator and the synchronous tracking controller are all connected to a control computer, and the control computer is connected to the second programmable controller, The second programmable controller is coupled to the cylinder, and the cylinder is coupled to the shut-off valve.
7.根据权利要求 6所述的无接触激光切割石英玻璃制品的装置，其特征在于， 还 包括拉管机， 该拉管机中设置有光电编码器， 该光电编码器与控制计算机连接， 所述的拉管机与连熔炉的成型器之间设置有测径仪， 并且该测径仪外接有仪表。 The device for non-contact laser cutting of quartz glass articles according to claim 6, further comprising a tube drawing machine, wherein the tube puller is provided with a photoelectric encoder, and the photoelectric encoder is connected to the control computer. A caliper is disposed between the pipe drawing machine and the former of the continuous furnace, and the caliper is externally connected with the meter.
8.—种无接触激光切割石英玻璃制品的装置，其特征在于， 该装置包括激光自动 切割装置和气动装置；所述的激光自动切割装置包括激光发生器和同步追踪控制 器， 所述的气动装置包括第二可编程控制器、气缸和切断阀； 所述的同步追踪控 制器与激光发生器的第一可编程控制器连接，所述的第一可编程控制器与第二可 编程控制器连接，所述的第二可编程控制器与气缸连接， 所述的气缸与切断阀连 接。 8. A device for non-contact laser cutting of quartz glass articles, characterized in that the device comprises a laser automatic cutting device and a pneumatic device; the laser automatic cutting device comprises a laser generator and a synchronous tracking controller, said pneumatic The device includes a second programmable controller, a cylinder and a shut-off valve; the synchronous tracking controller is coupled to the first programmable controller of the laser generator, the first programmable controller and the second programmable controller Connected, the second programmable controller is connected to the cylinder, and the cylinder is connected to the shut-off valve.
9.根据权利要求 8所述的无接触激光切割石英玻璃制品的装置，其特征在于， 还 包括拉管机， 该拉管机中设置有光电编码器， 光电编码器与第一可编程控制器连 接，所述的拉管机与连熔炉的成型器之间设置有测径仪，且该测径仪外接有仪表。 The device for non-contact laser cutting of quartz glass articles according to claim 8, further comprising a tube drawing machine, wherein the tube puller is provided with a photoelectric encoder, a photoelectric encoder and a first programmable controller Even Connected, a caliper is arranged between the drawing machine and the former of the furnace, and the caliper is externally connected with the meter.
10.根据权利要求 7或 9所述的无接触激光切割石英玻璃制品的装置， 其特征在 于，所述的气动装置的下方设置有产品收集架， 该产品收集架具有自动分选翻转 臂， 并且该自动分选翻转臂与测径仪连接。 The device for contactless laser cutting of quartz glass articles according to claim 7 or 9, wherein a product collection frame is disposed under the pneumatic device, the product collection frame has an automatic sorting flip arm, and The automatic sorting flip arm is connected to the caliper.
PCT/CN2012/083753 2012-09-29 2012-10-30 Method for cutting quartz glass product using laser without contact and device thereof WO2014048004A1 (en)

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