CN105437293A - Automatic modification device and method for large-array resistance strain gauge - Google Patents
Automatic modification device and method for large-array resistance strain gauge Download PDFInfo
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- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
- B26D1/143—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis
- B26D1/15—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis with vertical cutting member
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
- B26D1/143—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis
- B26D1/15—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis with vertical cutting member
- B26D1/151—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis with vertical cutting member for thin material, e.g. for sheets, strips or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
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Abstract
本发明公开了一种大阵列电阻式应变片自动修形装置，包括机架、定位固定机构、修形机构、计算机、数据采集板卡和输出放大板；机架包括上顶板、底板和支柱；定位固定机构包括二维移动平台、真空吸附台和真空吸附回路；修形机构包括直线摆动组合气缸、刀架和气动回路；刀架上安装有无杆气缸滑台，无杆气缸滑台的滑台上连接有直流电机支架，直流电机支架上安装有直流电机，直流电机的输出轴上固定连接有圆刀片，刀架的底部通过橡胶柱固定连接有压板，压板的底部粘贴有胶皮。本发明还公开了一种大阵列电阻式应变片自动修形方法。本发明设计新颖合理，实现成本低，工作可靠性高，能够提高生产效率，降低工人劳动强度及产品生产成本，推广应用价值高。
The invention discloses a large array resistance strain gauge automatic shape modification device, which comprises a frame, a positioning and fixing mechanism, a shape modification mechanism, a computer, a data acquisition board and an output amplification board; the frame includes an upper top plate, a bottom plate and a pillar; The positioning and fixing mechanism includes a two-dimensional mobile platform, a vacuum adsorption table and a vacuum adsorption circuit; the modification mechanism includes a linear swing combination cylinder, a knife holder and a pneumatic circuit; A DC motor support is connected on the stage, a DC motor is installed on the DC motor support, a circular blade is fixedly connected to the output shaft of the DC motor, a pressing plate is fixedly connected to the bottom of the knife holder through a rubber column, and a rubber is pasted on the bottom of the pressing plate. The invention also discloses an automatic shape modification method for large array resistance strain gauges. The invention is novel and reasonable in design, low in realization cost, high in work reliability, can improve production efficiency, reduce labor intensity of workers and production cost of products, and has high popularization and application value.
Description
技术领域technical field
本发明属于电阻式应变片生产技术领域，具体涉及一种大阵列电阻式应变片自动修形装置及方法。The invention belongs to the technical field of resistive strain gauge production, and in particular relates to an automatic shape modification device and method for a large array of resistive strain gauges.
背景技术Background technique
电阻式应变片是实验应力分析、测试计量技术、自动检测与控制技术以及称重或测力传感器的关键元件，具有尺寸小、蠕变小、很好的抗疲劳性能及很好的稳定性等特点，广泛应用于各种机械和工程结构强度及寿命的诊断与评估，也用于多种物理量的检测和计量，实现生产过程和科学实验过程的测量与控制。电阻式应变片主要粘贴在弹性体的表面，弹性体在受载荷后表面产生的微小变形(伸长或缩短)，使粘贴在它表面的应变片也随同产生变形，电阻应变片变形后，它的阻值将发生变化(增大或减小)，然后经相应的测量电路把这一电阻变化转换为电信号(电压或电流)输出，测出电阻的变化，即可按公式算出弹性体表面的应变，以及相应的应力。Resistive strain gauge is the key component of experimental stress analysis, test measurement technology, automatic detection and control technology, and weighing or force sensor. It has small size, small creep, good fatigue resistance and good stability, etc. It is widely used in the diagnosis and evaluation of the strength and life of various mechanical and engineering structures, and is also used in the detection and measurement of various physical quantities to realize the measurement and control of production processes and scientific experiment processes. Resistive strain gauges are mainly pasted on the surface of the elastic body. The slight deformation (elongation or shortening) of the surface of the elastic body after being loaded causes the strain gauge pasted on its surface to also deform. After the resistance strain gauge is deformed, it The resistance value of the elastic body will change (increase or decrease), and then the resistance change will be converted into an electrical signal (voltage or current) output through the corresponding measuring circuit, and the change in resistance can be measured, and the surface of the elastomer can be calculated according to the formula strain, and the corresponding stress.
如图7所示，电阻式应变片主要由敏感栅41、基底42、覆盖层43和引线44组成，敏感栅41用粘结剂45粘在基底42和覆盖层43之间。在应变片生产过程中，首先将箔材牢固粘附在基底42上，基底42材料通常为胶膜(改性酚醛树脂，聚酰亚胺树脂，环氧树脂等)，厚度约为0.02mm～0.04mm；敏感栅41材料为厚度约为0.0025mm～0.005mm的金属合金箔，箔材通常为康铜箔材、卡玛箔材、退火康铜箔材等；敏感栅41的成型是将箔材按照一定的电路要求进行光刻、腐蚀，最后剩余在基底42上的电阻丝即为敏感栅41。为了进一步提高敏感栅41在使用过程中的工作稳定性和使用寿命，还需要在敏感栅41上增加覆盖层43，一般覆盖层43的材料和基底材料相同，厚度约为0.01mm～0.02mm，电阻式应变片的总厚度约为0.035mm～0.05mm。As shown in FIG. 7 , the resistive strain gauge is mainly composed of a sensitive grid 41 , a substrate 42 , a covering layer 43 and leads 44 , and the sensitive grid 41 is glued between the substrate 42 and the covering layer 43 with an adhesive 45 . In the production process of the strain gauge, firstly, the foil is firmly adhered to the substrate 42. The material of the substrate 42 is usually an adhesive film (modified phenolic resin, polyimide resin, epoxy resin, etc.), with a thickness of about 0.02mm~ 0.04mm; the material of the sensitive grid 41 is a metal alloy foil with a thickness of about 0.0025mm to 0.005mm, and the foil material is usually constantan foil, Karma foil, annealed constantan foil, etc.; The material is subjected to photolithography and corrosion according to certain circuit requirements, and finally the remaining resistance wire on the substrate 42 is the sensitive grid 41 . In order to further improve the working stability and service life of the sensitive grid 41 during use, it is also necessary to add a cover layer 43 on the sensitive grid 41. Generally, the material of the cover layer 43 is the same as that of the base material, and the thickness is about 0.01 mm to 0.02 mm. The total thickness of the resistive strain gauge is about 0.035mm to 0.05mm.
电阻式应变片是在一张102mm×115mm的金属箔板上按照一定的排列规则图形蚀刻而成，一张金属箔板上通常会有多个产品的图形。在应变片产品生产后期需要将单个应变片产品从整版中分离出来，目前现有的做法是，人工使用剪刀沿着产品的外边框将单个产品修剪下来，这种方法不仅生产效率低，工人劳动强度大，而且修剪尺寸精度低，同一批次产品的外形尺寸存在较大波动，不利于对产品质量的稳定控制。Resistive strain gauges are etched on a 102mm×115mm metal foil board according to certain arrangement rules, and there are usually multiple product graphics on a metal foil board. In the later stage of the production of strain gauge products, it is necessary to separate the individual strain gauge products from the whole plate. The current existing method is to manually use scissors to trim the individual products along the outer border of the product. This method not only has low production efficiency, but also The labor intensity is high, and the trimming dimensional accuracy is low, and the dimensions of the same batch of products fluctuate greatly, which is not conducive to the stable control of product quality.
发明内容Contents of the invention
本发明所要解决的技术问题在于针对上述现有技术中的不足，提供一种结构简单、设计新颖合理、实现成本低、工作可靠性高、实用性强、能够提高生产效率、降低工人劳动强度及产品生产成本的大阵列电阻式应变片自动修形装置。The technical problem to be solved by the present invention is to provide a simple structure, novel and reasonable design, low implementation cost, high work reliability, strong practicability, which can improve production efficiency, reduce labor intensity and A large-array resistive strain gauge automatic modification device with low product production cost.
为解决上述技术问题，本发明采用的技术方案是：一种大阵列电阻式应变片自动修形装置，其特征在于：包括机架、定位固定机构、修形机构和计算机，所述计算机上接有数据采集板卡，所述数据采集板卡的信号输出端接有输出放大板；In order to solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a large array resistance strain gauge automatic shape modification device, which is characterized in that it includes a frame, a positioning and fixing mechanism, a shape modification mechanism and a computer, and the computer is connected to There is a data acquisition board, and the signal output terminal of the data acquisition board is connected with an output amplification board;
所述机架包括上下间隔设置的上顶板和下底板，以及支撑在上顶板和下底板之间的支柱；The frame includes an upper top plate and a lower bottom plate arranged at intervals up and down, and a pillar supported between the upper top plate and the lower bottom plate;
所述定位固定机构包括安装在下底板顶部的二维移动平台、安装在二维移动平台顶部的真空吸附台和用于对真空吸附台抽真空的真空吸附回路，所述二维移动平台包括X轴移动电机、Y轴移动电机、X轴移动光栅尺和Y轴移动光栅尺，所述真空吸附台包括相互扣合且固定连接的吸附台下盖和吸附台上盖，所述吸附台下盖和吸附台上盖扣合形成的空间为真空腔，所述吸附台上盖的上表面上设置有多个排列设置的吸附孔；所述真空吸附回路包括通过真空管依次连接的真空泵、真空过滤器、真空度调节阀和真空电磁阀，所述真空管与所述真空腔相连通，所述真空度调节阀上连接有真空表；所述X轴移动光栅尺和Y轴移动光栅尺均与数据采集板卡的信号输入端连接，所述X轴移动电机、Y轴移动电机和真空电磁阀均与输出放大板的输出端连接；The positioning and fixing mechanism includes a two-dimensional mobile platform installed on the top of the lower base plate, a vacuum adsorption table installed on the top of the two-dimensional mobile platform, and a vacuum adsorption circuit for vacuuming the vacuum adsorption table. The two-dimensional mobile platform includes an X-axis A moving motor, a Y-axis moving motor, an X-axis moving grating ruler, and a Y-axis moving grating ruler. The vacuum adsorption table includes a lower cover of the adsorption table and an upper cover of the adsorption table that are fastened and fixedly connected to each other. The lower cover of the adsorption table and the upper cover of the adsorption table are The space formed by fastening the upper cover of the adsorption table is a vacuum chamber, and the upper surface of the upper cover of the adsorption table is provided with a plurality of arranged adsorption holes; the vacuum adsorption circuit includes a vacuum pump, a vacuum filter, Vacuum adjustment valve and vacuum electromagnetic valve, the vacuum tube is connected with the vacuum cavity, and a vacuum gauge is connected to the vacuum adjustment valve; the X-axis moving grating ruler and the Y-axis moving grating ruler are connected to the data acquisition board The signal input end of the card is connected, and the X-axis moving motor, the Y-axis moving motor and the vacuum solenoid valve are all connected to the output end of the output amplifier board;
所述修形机构包括竖直设置在上顶板上的直线摆动组合气缸和连接在直线摆动组合气缸的活塞杆上的刀架，以及气动回路；所述刀架位于上顶板的下方，所述刀架上安装有水平设置的无杆气缸滑台，所述无杆气缸滑台的滑台上固定连接有直流电机支架，所述直流电机支架上安装有直流电机，所述直流电机的输出轴上固定连接有圆刀片，所述刀架的底部通过橡胶柱固定连接有压板，所述压板的底部粘贴有胶皮，所述压板上和胶皮上均设置有供圆刀片穿过并对圆刀片进行导向的导向槽；所述气动回路包括通过气管依次连接的气泵、空气过滤器、减压阀和压力表，以及与位于压力表后端的气管并联连接的第一两位五通电磁换向阀、第二两位五通电磁换向阀和第三两位五通电磁换向阀，所述直线摆动组合气缸的顺时针摆动进气口和逆时针摆动进气口分别与第一两位五通电磁换向阀的两个出气口连接，所述直线摆动组合气缸的伸出运动进气口和缩回运动进气口分别与第二两位五通电磁换向阀的两个出气口连接，所述无杆气缸滑台的正向移动进气口和反向移动进气口分别与第三两位五通电磁换向阀的两个出气口连接；所述直流电机、第一两位五通电磁换向阀、第二两位五通电磁换向阀和第三两位五通电磁换向阀均与输出放大板的输出端连接。The modification mechanism includes a linear swing combined air cylinder vertically arranged on the upper top plate and a tool rest connected to the piston rod of the linear swing combined air cylinder, as well as a pneumatic circuit; the knife rest is located under the upper top plate, and the knife A rodless cylinder sliding table arranged horizontally is installed on the frame, and a DC motor bracket is fixedly connected to the sliding table of the rodless cylinder sliding table, and a DC motor is installed on the DC motor bracket, and the output shaft of the DC motor A round blade is fixedly connected, and the bottom of the tool holder is fixedly connected with a pressure plate through a rubber column. The bottom of the pressure plate is pasted with a rubber, and the pressure plate and the rubber are provided with holes for the circular blade to pass through and to guide the circular blade. The guide groove; the pneumatic circuit includes an air pump, an air filter, a pressure reducing valve and a pressure gauge connected in sequence through the air pipe, and the first two-position five-way electromagnetic reversing valve connected in parallel with the air pipe at the rear end of the pressure gauge, the second The two-two five-way electromagnetic reversing valve and the third two-two five-way electromagnetic reversing valve. The two air outlets of the reversing valve are connected, and the extending motion air inlet and the retracting motion air inlet of the linear swing combination cylinder are respectively connected with the two air outlets of the second two-position five-way electromagnetic reversing valve, so The forward moving air inlet and the reverse moving air inlet of the rodless cylinder slide table are respectively connected with the two air outlets of the third two-position five-way electromagnetic reversing valve; the DC motor, the first two-position five-way The electromagnetic directional valve, the second two-position five-way electromagnetic change-over valve and the third two-position five-way electromagnetic change-over valve are all connected to the output end of the output amplifier board.
上述的一种大阵列电阻式应变片自动修形装置，其特征在于：所述支柱由多根连接成框架结构的铝型材制成，所述铝型材与铝型材通过三角形连接架固定连接，所述铝型材与上顶板通过螺栓和螺母固定连接，所述铝型材与下底板通过螺栓、螺母和三角形连接架固定连接。The above-mentioned large-array resistive strain gauge automatic shape modification device is characterized in that: the support is made of a plurality of aluminum profiles connected to form a frame structure, and the aluminum profiles are fixedly connected to the aluminum profiles through a triangular connecting frame. The aluminum profile is fixedly connected to the upper top plate through bolts and nuts, and the aluminum profile is fixedly connected to the lower bottom plate through bolts, nuts and a triangular connecting frame.
上述的一种大阵列电阻式应变片自动修形装置，其特征在于：所述吸附台下盖与吸附台上盖之间设置有密封垫，所述吸附台下盖、密封垫和吸附台上盖通过吸附台连接螺栓固定连接，所述吸附台下盖的侧面设置有螺纹孔，所述真空管通过气动接头与螺纹孔连接。The above-mentioned large-array resistance strain gauge automatic modification device is characterized in that: a sealing gasket is arranged between the lower cover of the adsorption table and the upper cover of the adsorption table, and the lower cover of the adsorption table, the sealing gasket and the upper cover of the adsorption table The cover is fixedly connected by connecting bolts of the adsorption table, and the side of the lower cover of the adsorption table is provided with a threaded hole, and the vacuum tube is connected with the threaded hole through a pneumatic joint.
上述的一种大阵列电阻式应变片自动修形装置，其特征在于：所述吸附台上盖的上表面上设置有多条水平向凹槽和多条竖直向凹槽，多条所述水平向凹槽和多条所述竖直向凹槽相互交叉形成了多个凸块，多个所述吸附孔分布在多个凸块上；所述吸附台上盖上表面的形状为矩形，所述吸附台上盖上表面的四个脚上均刻有参考定位线。The above-mentioned automatic modification device for large array resistive strain gauges is characterized in that: the upper surface of the upper cover of the adsorption table is provided with a plurality of horizontal grooves and a plurality of vertical grooves, and the plurality of said The horizontal grooves and the plurality of vertical grooves cross each other to form a plurality of protrusions, and the plurality of adsorption holes are distributed on the plurality of protrusions; the shape of the upper surface of the upper cover of the adsorption table is rectangular, Reference positioning lines are engraved on the four feet on the upper surface of the upper cover of the adsorption platform.
上述的一种大阵列电阻式应变片自动修形装置，其特征在于：所述直线摆动组合气缸通过法兰安装件和螺栓固定连接在上顶板顶部。The above-mentioned large-array resistive strain gauge automatic shaping device is characterized in that: the linear swing combined cylinder is fixedly connected to the top of the upper roof through flange mounting parts and bolts.
上述的一种大阵列电阻式应变片自动修形装置，其特征在于：所述刀架通过法兰螺母和螺栓固定连接在直线摆动组合气缸的活塞杆上。The above-mentioned large-array resistance strain gauge automatic modification device is characterized in that: the tool holder is fixedly connected to the piston rod of the linear swing combined cylinder through flange nuts and bolts.
上述的一种大阵列电阻式应变片自动修形装置，其特征在于：所述刀架上设置有无杆气缸滑台连接板，所述无杆气缸滑台通过与无杆气缸滑台连接板固定连接的方式安装在刀架上。The above-mentioned large-array resistive strain gauge automatic modification device is characterized in that: the tool holder is provided with a rodless cylinder sliding table connecting plate, and the rodless cylinder sliding table is connected to the rodless cylinder sliding table connecting plate. The way of fixed connection is installed on the knife holder.
上述的一种大阵列电阻式应变片自动修形装置，其特征在于：所述圆刀片为超薄钨钢圆刀片，所述圆刀片通过刀片连接头固定连接在直流电机的输出轴上。The above-mentioned large-array resistive strain gauge automatic shaping device is characterized in that: the circular blade is an ultra-thin tungsten steel circular blade, and the circular blade is fixedly connected to the output shaft of the DC motor through the blade connector.
上述的一种大阵列电阻式应变片自动修形装置，其特征在于：所述数据采集板卡的型号为NIPCI6509，所述输出放大板的型号为HSF16M。The above-mentioned large-array resistive strain gauge automatic modification device is characterized in that: the model of the data acquisition board is NIPCI6509, and the model of the output amplifier board is HSF16M.
本发明还公开了一种方法步骤简单、实现方便、修形效率高的大阵列电阻式应变片自动修形方法，其特征在于该方法包括以下步骤：The invention also discloses a method for automatic modification of large array resistive strain gauges with simple method steps, convenient implementation and high modification efficiency, which is characterized in that the method includes the following steps:
步骤一、操作工人手动将大阵列电阻式应变片膜片放置在真空吸附台上后，在计算机上输入吸附固定指令，并启动真空泵，数据采集板卡通过输出放大板输出信号驱动真空电磁阀打开，真空泵抽真空使所述真空腔内产生负压，将大阵列电阻式应变片膜片吸附固定在吸附台上盖的上表面上；Step 1. After the operator manually places the large array of resistive strain gauge diaphragms on the vacuum adsorption table, input the adsorption fixation command on the computer, and start the vacuum pump. The data acquisition board drives the vacuum solenoid valve to open through the output signal of the amplifier board. , the vacuum pump is evacuated to generate negative pressure in the vacuum chamber, and the large array of resistive strain gauge diaphragms are adsorbed and fixed on the upper surface of the upper cover of the adsorption table;
步骤二、在计算机上输入开始修形指令，对大阵列电阻式应变片膜片进行修形，具体过程为：Step 2. Input the modification command on the computer to modify the diaphragm of the large array of resistive strain gauges. The specific process is as follows:
步骤201、Y轴方向的修形，具体过程为：Step 201, modifying the shape in the Y-axis direction, the specific process is:
步骤2011、数据采集板卡通过输出放大板输出信号驱动第二两位五通电磁换向阀接通，直线摆动组合气缸的伸出运动进气口接通，直线摆动组合气缸的活塞杆带动刀架向下运动，使压板压紧大阵列电阻式应变片膜片；Step 2011, the data acquisition board drives the second two-position five-way electromagnetic reversing valve to connect through the output signal of the output amplifier board, the air inlet of the stretching movement of the linear swing combined cylinder is connected, and the piston rod of the linear swing combined cylinder drives the knife The frame moves downward, so that the pressure plate presses the diaphragm of the large array resistive strain gauge;
步骤2012、数据采集板卡通过输出放大板输出信号驱动直流电机启动，直流电机带动圆刀片转动；Step 2012, the data acquisition board drives the DC motor to start through the output signal of the output amplifier board, and the DC motor drives the circular blade to rotate;
步骤2013、数据采集板卡通过输出放大板输出信号驱动第三两位五通电磁换向阀接通，无杆气缸滑台的正向移动进气口接通，无杆气缸滑台的滑台带动直流电机和圆刀片的整体正向移动，转动的圆刀片切割大阵列电阻式应变片膜片；Step 2013, the data acquisition board drives the third two-position five-way electromagnetic reversing valve to connect through the output signal of the output amplifier board, the forward moving air inlet of the rodless cylinder slide table is connected, and the slide table of the rodless cylinder slide table Drive the overall positive movement of the DC motor and the circular blade, and the rotating circular blade cuts a large array of resistive strain gauge diaphragms;
步骤2014、数据采集板卡通过输出放大板输出信号驱动第二两位五通电磁换向阀换向，直线摆动组合气缸的缩回运动进气口接通，直线摆动组合气缸的活塞杆带动刀架向上运动，使压板离开大阵列电阻式应变片膜片并返回初始位置；Step 2014, the data acquisition board drives the second two-position five-way electromagnetic reversing valve to reversing through the output signal of the output amplification board, the retraction movement air inlet of the linear swing combined cylinder is connected, and the piston rod of the linear swing combined cylinder drives the knife The frame moves upwards, so that the pressure plate leaves the diaphragm of the large array of resistive strain gauges and returns to the initial position;
步骤2015、数据采集板卡通过输出放大板输出信号驱动第三两位五通电磁换向阀换向，无杆气缸滑台的反向移动进气口接通，无杆气缸滑台的滑台带动直流电机和圆刀片的整体反向移动，使直流电机和圆刀片返回初始位置；Step 2015, the data acquisition board drives the third two-position five-way electromagnetic reversing valve to change direction through the output signal of the output amplifier board, the reverse movement air inlet of the rodless cylinder slide table is connected, and the slide table of the rodless cylinder slide table Drive the overall reverse movement of the DC motor and the circular blade, so that the DC motor and the circular blade return to the initial position;
步骤2016、数据采集板卡通过输出放大板输出信号驱动Y轴移动电机，Y轴移动电机带动真空吸附台移动，Y轴移动光栅尺将移动距离通过数据采集板卡反馈给计算机，直至真空吸附台移动距离a后停止；其中，a为电阻式应变片在Y轴方向上的宽度；Step 2016, the data acquisition board drives the Y-axis moving motor through the output amplifier board output signal, the Y-axis moving motor drives the vacuum adsorption table to move, and the Y-axis moving grating scale feeds back the moving distance to the computer through the data acquisition board until the vacuum adsorption table Stop after moving a distance; where a is the width of the resistive strain gauge in the Y-axis direction;
重复步骤2011～2016，直至完成大阵列电阻式应变片膜片Y轴方向所有的切割为止；Repeat steps 2011 to 2016 until all the cuttings in the Y-axis direction of the large array of resistive strain gauge diaphragms are completed;
步骤202、真空吸附台复位：数据采集板卡通过输出放大板输出信号驱动Y轴移动电机，Y轴移动电机带动真空吸附台移动，Y轴移动光栅尺将移动距离通过数据采集板卡反馈给计算机，直至真空吸附台返回初始位置；Step 202, reset the vacuum adsorption table: the data acquisition board drives the Y-axis moving motor through the output signal of the output amplifier board, the Y-axis moving motor drives the vacuum adsorption table to move, and the Y-axis moving grating ruler feeds back the moving distance to the computer through the data acquisition board , until the vacuum table returns to the initial position;
步骤203、X轴方向的修形，具体过程为：Step 203, shape modification in the X-axis direction, the specific process is:
步骤2031、数据采集板卡通过输出放大板输出信号驱动第一两位五通电磁换向阀接通，直线摆动组合气缸的顺时针摆动进气口接通，直线摆动组合气缸的活塞杆带动刀架顺时针旋转90°，刀架带动直流电机和圆刀片的整体顺时针旋转90°；Step 2031, the data acquisition board drives the first two-position five-way electromagnetic reversing valve to connect through the output signal of the output amplifier board, the clockwise swing air inlet of the linear swing combination cylinder is connected, and the piston rod of the linear swing combination cylinder drives the knife The frame rotates 90° clockwise, and the knife frame drives the DC motor and the round blade to rotate 90° clockwise;
步骤2032、数据采集板卡通过输出放大板输出信号驱动第二两位五通电磁换向阀接通，直线摆动组合气缸的伸出运动进气口接通，直线摆动组合气缸的活塞杆带动刀架向下运动，使压板压紧大阵列电阻式应变片膜片；Step 2032, the data acquisition board drives the second two-position five-way electromagnetic reversing valve to connect through the output signal of the output amplifier board, the stretching movement air inlet of the linear swing combination cylinder is connected, and the piston rod of the linear swing combination cylinder drives the knife The frame moves downward, so that the pressure plate presses the diaphragm of the large array resistive strain gauge;
步骤2033、数据采集板卡通过输出放大板输出信号驱动第三两位五通电磁换向阀接通，无杆气缸滑台的正向移动进气口接通，无杆气缸滑台的滑台带动直流电机和圆刀片的整体正向移动，转动的圆刀片切割大阵列电阻式应变片膜片；Step 2033, the data acquisition board drives the third two-position five-way electromagnetic reversing valve to connect through the output signal of the output amplifier board, the forward moving air inlet of the rodless cylinder slide table is connected, and the slide table of the rodless cylinder slide table Drive the overall positive movement of the DC motor and the circular blade, and the rotating circular blade cuts a large array of resistive strain gauge diaphragms;
步骤2034、数据采集板卡通过输出放大板输出信号驱动第二两位五通电磁换向阀换向，直线摆动组合气缸的缩回运动进气口接通，直线摆动组合气缸的活塞杆带动刀架向上运动，使压板离开大阵列电阻式应变片膜片并返回初始位置；Step 2034, the data acquisition board drives the second two-position five-way electromagnetic reversing valve to reversing through the output signal of the output amplification board, the retraction movement air inlet of the linear swing combination cylinder is connected, and the piston rod of the linear swing combination cylinder drives the knife The frame moves upwards, so that the pressure plate leaves the diaphragm of the large array of resistive strain gauges and returns to the initial position;
步骤2035、数据采集板卡通过输出放大板输出信号驱动第三两位五通电磁换向阀换向，无杆气缸滑台的反向移动进气口接通，无杆气缸滑台的滑台带动直流电机和圆刀片的整体反向移动，使直流电机和圆刀片返回初始位置；Step 2035, the data acquisition board drives the third two-position five-way electromagnetic reversing valve to change direction through the output signal of the output amplifier board, the reverse movement air inlet of the rodless cylinder slide table is connected, and the slide table of the rodless cylinder slide table Drive the overall reverse movement of the DC motor and the circular blade, so that the DC motor and the circular blade return to the initial position;
步骤2036、数据采集板卡通过输出放大板输出信号驱动X轴移动电机，X轴移动电机带动真空吸附台移动，X轴移动光栅尺将移动距离通过数据采集板卡反馈给计算机，直至真空吸附台移动距离b后停止；其中，b为电阻式应变片在X轴方向上的宽度；Step 2036, the data acquisition board drives the X-axis moving motor through the output amplifier board output signal, the X-axis moving motor drives the vacuum adsorption table to move, and the X-axis moving grating scale feeds back the moving distance to the computer through the data acquisition board until the vacuum adsorption table Stop after moving a distance b; where b is the width of the resistive strain gauge in the X-axis direction;
重复步骤2032～2036，直至完成大阵列电阻式应变片膜片X轴方向所有的切割为止；Repeat steps 2032 to 2036 until all the cuttings in the X-axis direction of the large array of resistive strain gauge diaphragms are completed;
步骤三、回零复位，具体过程为：Step 3, return to zero and reset, the specific process is:
步骤301、数据采集板卡通过输出放大板输出信号驱动直流电机停止转动，圆刀片停止转动；Step 301, the data acquisition board drives the DC motor to stop rotating through the output signal of the output amplifier board, and the circular blade stops rotating;
步骤302、数据采集板卡通过输出放大板输出信号驱动第一两位五通电磁换向阀接通，直线摆动组合气缸的逆时针摆动进气口接通，直线摆动组合气缸的活塞杆带动刀架逆时针旋转90°，刀架带动直流电机和圆刀片的整体逆时针旋转90°，回到初始位置；Step 302, the data acquisition board drives the first two-position five-way electromagnetic reversing valve to connect through the output signal of the output amplifier board, the counterclockwise swing air inlet of the linear swing combination cylinder is connected, and the piston rod of the linear swing combination cylinder drives the knife The frame rotates 90° counterclockwise, and the knife frame drives the DC motor and the round blade to rotate 90° counterclockwise as a whole, returning to the initial position;
步骤303、数据采集板卡通过输出放大板输出信号驱动X轴移动电机，X轴移动电机带动真空吸附台移动，X轴移动光栅尺将移动距离通过数据采集板卡反馈给计算机，直至真空吸附台返回初始位置。Step 303, the data acquisition board drives the X-axis moving motor through the output amplifier board output signal, the X-axis moving motor drives the vacuum adsorption table to move, and the X-axis moving grating ruler feeds back the moving distance to the computer through the data acquisition board until the vacuum adsorption table Return to the initial position.
本发明与现有技术相比具有以下优点：Compared with the prior art, the present invention has the following advantages:
1、本发明大阵列电阻式应变片自动修形装置的结构紧凑，设计新颖合理，加工制造方便。1. The large-array resistive strain gauge automatic shape-modifying device of the present invention has compact structure, novel and reasonable design, and convenient processing and manufacturing.
2、本发明大阵列电阻式应变片自动修形装置的操作简单，适用范围广，能够实现不同型号的大阵列电阻式应变片的自动修形。2. The large-array resistive strain gauge automatic shaping device of the present invention is easy to operate, has a wide application range, and can realize automatic shaping of large-array resistive strain gauges of different types.
3、本发明的大阵列电阻式应变片自动修形装置，采用了精密机械传动、计算机控制及气动控制技术，与现有的人工修形相比，具有反应灵敏、工作效率高、污染小以及外围配属附件少、实现成本低等诸多优点。3. The large-array resistive strain gauge automatic modification device of the present invention adopts precision mechanical transmission, computer control and pneumatic control technology. There are many advantages such as few accessories and low implementation cost.
4、本发明采用计算机进行控制，实现了大阵列电阻式应变片单元的自动修形，避免了人为因素对产品修形的影响，而且修形速度快，修形准确度高。4. The invention adopts computer control to realize the automatic modification of large array resistance strain gauge units, avoiding the influence of human factors on product modification, and the modification speed is fast and the modification accuracy is high.
5、本发明的真空吸附台能够实现不同型号的大阵列电阻式应变片的吸附固定，且对大阵列电阻式应变片的磨损小，吸附固定效率高、污染小。5. The vacuum adsorption table of the present invention can realize the adsorption and fixation of large array resistive strain gauges of different types, and has less wear and tear on the large array resistive strain gauges, high adsorption fixation efficiency, and less pollution.
6、本发明大阵列电阻式应变片自动修形方法的方法步骤简单，实现方便，修形效率高。6. The method for automatically modifying the shape of a large array of resistive strain gauges in the present invention has simple method steps, is convenient to implement, and has high modification efficiency.
7、本发明能够提高大阵列电阻式应变片的修形效率，进而提高生产效率，降低工人劳动强度，稳定控制产品质量，提升企业的竞争力。7. The present invention can improve the modification efficiency of large array resistive strain gauges, thereby improving production efficiency, reducing labor intensity of workers, stably controlling product quality, and enhancing the competitiveness of enterprises.
8、本发明能够实现大阵列电阻式应变片的迅速、精确、自动修形，对解决电阻式应变片批量生产过程中的快速修形有着重要的意义，实用性强，使用效果好，推广应用价值高。8. The present invention can realize rapid, accurate and automatic shape modification of large array resistance strain gauges, which is of great significance for solving the rapid shape modification in the mass production process of resistance strain gauges. high value.
综上所述，本发明设计新颖合理，实现成本低，工作可靠性高，实用性强，能够提高生产效率，降低工人劳动强度及产品生产成本，推广应用价值高。To sum up, the present invention is novel and reasonable in design, low in implementation cost, high in work reliability, strong in practicability, can improve production efficiency, reduce labor intensity of workers and production cost of products, and has high application value.
下面通过附图和实施例，对本发明的技术方案做进一步的详细描述。The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.
附图说明Description of drawings
图1为本发明大阵列电阻式应变片自动修形装置的部分结构示意图。Fig. 1 is a schematic diagram of part of the structure of the large-array resistive strain gauge automatic modification device of the present invention.
图2为本发明真空吸附台的结构示意图。Fig. 2 is a schematic diagram of the structure of the vacuum adsorption platform of the present invention.
图3为本发明真空吸附台与真空吸附回路的连接关系示意图。Fig. 3 is a schematic diagram of the connection relationship between the vacuum adsorption table and the vacuum adsorption circuit of the present invention.
图4为本发明修形机构的结构示意图(图中未示出直线摆动组合气缸)。Fig. 4 is a structural schematic diagram of the modification mechanism of the present invention (the linear swing combined air cylinder is not shown in the figure).
图5为本发明直线摆动组合气缸和无杆气缸滑台与气动回路的连接关系示意图。Fig. 5 is a schematic diagram of the connection relationship between the sliding table and the pneumatic circuit of the linear swing combined cylinder and the rodless cylinder of the present invention.
图6为本发明计算机与其他各部件的连接关系示意图。Fig. 6 is a schematic diagram of the connection relationship between the computer and other components of the present invention.
图7为现有电阻式应变片的结构示意图。Fig. 7 is a schematic structural diagram of a conventional resistive strain gauge.
附图标记说明:Explanation of reference signs:
1—胶皮；2—压板；3—无杆气缸滑台；1—rubber; 2—pressure plate; 3—rodless cylinder slide;
3-1—正向移动进气口；3-2—反向移动进气口；4—计算机；3-1—forward moving air inlet; 3-2—reverse moving air inlet; 4—computer;
5—刀架；6—无杆气缸滑台连接板；5—knife holder; 6—rodless cylinder slide connecting plate;
7—上顶板；8—法兰安装件；9—直线摆动组合气缸；7—upper top plate; 8—flange mounting piece; 9—linear swing combination cylinder;
9-1—顺时针摆动进气口；9-2—逆时针摆动进气口；9-1—clockwise swing air inlet; 9-2—counterclockwise swing air inlet;
9-3—伸出运动进气口；9-4—缩回运动进气口；10—数据采集板卡；9-3—Extend the motion air inlet; 9-4—Retract the motion air inlet; 10—Data acquisition board;
11—输出放大板；12—真空管；13—真空泵；11—output amplifier board; 12—vacuum tube; 13—vacuum pump;
14—法兰螺母；15—第一两位五通电磁换向阀；14—flange nut; 15—the first two-two five-way electromagnetic reversing valve;
16—第二两位五通电磁换向阀；17—第三两位五通电磁换向阀；16—the second two two five way electromagnetic reversing valve; 17—the third two two five way electromagnetic reversing valve;
18—真空电磁阀；19—三角形连接架；20—铝型材；18—vacuum solenoid valve; 19—triangle connecting frame; 20—aluminum profile;
21—下底板；22—橡胶柱；23—直流电机；21—lower bottom plate; 22—rubber column; 23—DC motor;
24—圆刀片；25—刀片连接头；26—直流电机支架；24—circular blade; 25—blade connector; 26—DC motor bracket;
27—真空过滤器；28—Y轴移动光栅尺；29—二维移动平台；27—vacuum filter; 28—Y-axis moving grating ruler; 29—two-dimensional moving platform;
30—真空度调节阀；31—真空表；32—气管；30—vacuum degree regulating valve; 31—vacuum gauge; 32—trachea;
33—真空吸附台；33-1—吸附台下盖；33-2—吸附台上盖；33—vacuum adsorption table; 33-1—bottom cover of adsorption table; 33-2—upper cover of adsorption table;
33-3—吸附孔；33-4—密封垫；33-5—吸附台连接螺栓；33-3—Absorption hole; 33-4—Sealing gasket; 33-5—Absorption table connecting bolt;
33-6—螺纹孔；33-7—凸块；33-8—参考定位线；33-6—threaded hole; 33-7—bulb; 33-8—reference positioning line;
34—气泵；35—X轴移动光栅尺；36—X轴移动电机；34—air pump; 35—X-axis moving grating ruler; 36—X-axis moving motor;
37—Y轴移动电机；38—空气过滤器；39—减压阀；37—Y-axis moving motor; 38—air filter; 39—pressure reducing valve;
40—压力表；41—敏感栅；42—基底；40—pressure gauge; 41—sensitive grid; 42—base;
43—覆盖层；44—引线；45—粘结剂；43—covering layer; 44—lead wire; 45—adhesive;
46—气动接头；47—大阵列电阻式应变片膜片；48—气动接头。46—pneumatic joint; 47—large array resistive strain gauge diaphragm; 48—pneumatic joint.
具体实施方式detailed description
如图1和图6所示，本发明的大阵列电阻式应变片自动修形装置，包括机架、定位固定机构、修形机构和计算机4，所述计算机4上接有数据采集板卡10，所述数据采集板卡10的信号输出端接有输出放大板11；As shown in Fig. 1 and Fig. 6, the large array resistive strain gauge automatic shaping device of the present invention comprises frame, positioning and fixing mechanism, shaping mechanism and computer 4, and said computer 4 is connected with data acquisition board 10 , the signal output terminal of the data acquisition board 10 is connected with an output amplifier board 11;
所述机架包括上下间隔设置的上顶板7和下底板21，以及支撑在上顶板7和下底板21之间的支柱；The frame includes an upper top plate 7 and a lower bottom plate 21 spaced up and down, and a pillar supported between the upper top plate 7 and the lower bottom plate 21;
所述定位固定机构包括安装在下底板21顶部的二维移动平台29、安装在二维移动平台29顶部的真空吸附台33和用于对真空吸附台33抽真空的真空吸附回路，所述二维移动平台29包括X轴移动电机36、Y轴移动电机37、X轴移动光栅尺35和Y轴移动光栅尺28，结合图2，所述真空吸附台33包括相互扣合且固定连接的吸附台下盖33-1和吸附台上盖33-2，所述吸附台下盖33-1和吸附台上盖33-2扣合形成的空间为真空腔，所述吸附台上盖33-2的上表面上设置有多个排列设置的吸附孔33-3；结合图3，所述真空吸附回路包括通过真空管12依次连接的真空泵13、真空过滤器27、真空度调节阀30和真空电磁阀18，所述真空管12与所述真空腔相连通，所述真空度调节阀30上连接有真空表31；所述X轴移动光栅尺35和Y轴移动光栅尺28均与数据采集板卡10的信号输入端连接，所述X轴移动电机36、Y轴移动电机37和真空电磁阀18均与输出放大板11的输出端连接；The positioning and fixing mechanism includes a two-dimensional mobile platform 29 installed on the top of the lower base plate 21, a vacuum adsorption table 33 installed on the top of the two-dimensional mobile platform 29, and a vacuum adsorption circuit for vacuuming the vacuum adsorption table 33. The mobile platform 29 includes an X-axis moving motor 36, a Y-axis moving motor 37, an X-axis moving grating ruler 35 and a Y-axis moving grating ruler 28. Referring to FIG. The lower cover 33-1 and the upper cover 33-2 of the adsorption table, the space formed by the fastening of the lower cover 33-1 of the adsorption table and the upper cover 33-2 of the adsorption table is a vacuum chamber, and the upper cover of the adsorption table 33-2 The upper surface is provided with a plurality of arranged adsorption holes 33-3; referring to FIG. , the vacuum tube 12 communicates with the vacuum cavity, the vacuum degree regulating valve 30 is connected with a vacuum gauge 31; The signal input end is connected, and the X-axis moving motor 36, the Y-axis moving motor 37 and the vacuum solenoid valve 18 are all connected to the output end of the output amplifier board 11;
结合图4，所述修形机构包括竖直设置在上顶板7上的直线摆动组合气缸9和连接在直线摆动组合气缸9的活塞杆上的刀架5，以及气动回路；所述刀架5位于上顶板7的下方，所述刀架5上安装有水平设置的无杆气缸滑台3，所述无杆气缸滑台3的滑台上固定连接有直流电机支架26，所述直流电机支架26上安装有直流电机23，所述直流电机23的输出轴上固定连接有圆刀片24，所述刀架5的底部通过橡胶柱22固定连接有压板2，所述压板2的底部粘贴有胶皮1，所述压板2上和胶皮1上均设置有供圆刀片24穿过并对圆刀片24进行导向的导向槽；结合图5，所述气动回路包括通过气管32依次连接的气泵34、空气过滤器38、减压阀39和压力表40，以及与位于压力表40后端的气管32并联连接的第一两位五通电磁换向阀15、第二两位五通电磁换向阀16和第三两位五通电磁换向阀17，所述直线摆动组合气缸9的顺时针摆动进气口9-1和逆时针摆动进气口9-2分别与第一两位五通电磁换向阀15的两个出气口连接，所述直线摆动组合气缸9的伸出运动进气口9-3和缩回运动进气口9-4分别与第二两位五通电磁换向阀16的两个出气口连接，所述无杆气缸滑台3的正向移动进气口3-1和反向移动进气口3-2分别与第三两位五通电磁换向阀17的两个出气口连接；所述直流电机23、第一两位五通电磁换向阀15、第二两位五通电磁换向阀16和第三两位五通电磁换向阀17均与输出放大板11的输出端连接。使用时，胶皮1能够对放置在真空吸附台33上的大阵列电阻式应变片膜片47起到保护的作用，橡胶柱22能够对压板2起到减振、缓冲的作用。With reference to Fig. 4, described shaping mechanism comprises the linear swing combination air cylinder 9 that is vertically arranged on the upper top plate 7 and the knife rest 5 that is connected on the piston rod of linear swing combination cylinder 9, and pneumatic circuit; The knife rest 5 Located below the upper top plate 7, a rodless cylinder slide 3 arranged horizontally is installed on the tool rest 5, and a DC motor support 26 is fixedly connected to the slide table of the rodless cylinder slide 3, and the DC motor support 26 is equipped with a DC motor 23, the output shaft of the DC motor 23 is fixedly connected with a circular blade 24, the bottom of the knife rest 5 is fixedly connected with a pressing plate 2 through a rubber column 22, and the bottom of the pressing plate 2 is pasted with a rubber 1. Both the pressure plate 2 and the rubber 1 are provided with guide grooves for the circular blade 24 to pass through and guide the circular blade 24; referring to FIG. Filter 38, decompression valve 39 and pressure gauge 40, and the first two-position five-way electromagnetic reversing valve 15 that is connected in parallel with the air pipe 32 that is positioned at pressure gauge 40 rear ends, the second two-position five-way electromagnetic reversing valve 16 and The third two-position five-way electromagnetic reversing valve 17, the clockwise swing air intake 9-1 and the counterclockwise swing air intake 9-2 of the linear swing combination cylinder 9 are respectively commutated with the first two-position five-way electromagnetic reversing valve. The two air outlets of the valve 15 are connected, and the stretching motion air inlet 9-3 and the retraction motion air inlet 9-4 of the linear swing combination cylinder 9 are connected with the second two-position five-way electromagnetic reversing valve 16 respectively. The two air outlets are connected, and the forward moving air inlet 3-1 and the reverse moving air inlet 3-2 of the rodless cylinder slide 3 are respectively connected to the two of the third two-position five-way electromagnetic reversing valve 17. The gas outlet is connected; the DC motor 23, the first two-position five-way electromagnetic reversing valve 15, the second two-two five-way electromagnetic reversing valve 16 and the third two-two five-way electromagnetic reversing valve 17 are all connected to the output amplifier board 11 output connection. When in use, the rubber 1 can protect the large array of resistive strain gauge diaphragms 47 placed on the vacuum suction table 33 , and the rubber column 22 can dampen and buffer the pressure plate 2 .
如图1所示，本实施例中，所述支柱由多根连接成框架结构的铝型材20制成，所述铝型材20与铝型材20通过三角形连接架19固定连接，所述铝型材20与上顶板7通过螺栓和螺母固定连接，所述铝型材20与下底板21通过螺栓、螺母和三角形连接架19固定连接。As shown in Figure 1, in this embodiment, the pillars are made of a plurality of aluminum profiles 20 connected into a frame structure, and the aluminum profiles 20 and the aluminum profiles 20 are fixedly connected by a triangular connecting frame 19, and the aluminum profiles 20 It is fixedly connected with the upper top plate 7 by bolts and nuts, and the aluminum profile 20 is fixedly connected with the lower bottom plate 21 by bolts, nuts and the triangular connecting frame 19 .
如图2所示，本实施例中，所述吸附台下盖33-1与吸附台上盖33-2之间设置有密封垫33-4，所述吸附台下盖33-1、密封垫33-4和吸附台上盖33-2通过吸附台连接螺栓33-5固定连接，所述吸附台下盖33-1的侧面设置有螺纹孔33-6，所述真空管12通过气动接头48与螺纹孔33-6连接。所述吸附台上盖33-2的上表面上设置有多条水平向凹槽和多条竖直向凹槽，多条所述水平向凹槽和多条所述竖直向凹槽相互交叉形成了多个凸块33-7，多个所述吸附孔33-3分布在多个凸块33-7上；所述吸附台上盖33-2上表面的形状为矩形，所述吸附台上盖33-2上表面的四个脚上均刻有参考定位线33-8。通过设置密封垫33-4，能够避免吸附台下盖33-1与吸附台上盖33-2之间的间隙漏气，影响所述真空腔所需真空度的快速形成和保持；通过设置参考定位线33-8，方便了对大阵列电阻式应变片膜片47进行精确定位。As shown in Figure 2, in this embodiment, a sealing gasket 33-4 is arranged between the adsorption table lower cover 33-1 and the adsorption table upper cover 33-2, and the adsorption table lower cover 33-1, the sealing gasket 33-4 and the adsorption table upper cover 33-2 are fixedly connected by the adsorption table connecting bolt 33-5, the side of the adsorption table lower cover 33-1 is provided with a threaded hole 33-6, and the vacuum tube 12 is connected to the vacuum tube 12 through the pneumatic joint 48 Threaded hole 33-6 connection. A plurality of horizontal grooves and a plurality of vertical grooves are arranged on the upper surface of the adsorption table upper cover 33-2, and the plurality of horizontal grooves and the plurality of vertical grooves intersect each other A plurality of bumps 33-7 are formed, and a plurality of the adsorption holes 33-3 are distributed on the plurality of bumps 33-7; the shape of the upper surface of the upper cover 33-2 of the adsorption table is rectangular, and the shape of the upper surface of the adsorption table is Reference positioning lines 33-8 are engraved on the four feet on the upper surface of the upper cover 33-2. By setting the gasket 33-4, it is possible to avoid air leakage in the gap between the lower cover 33-1 of the adsorption table and the upper cover 33-2 of the adsorption table, which affects the rapid formation and maintenance of the required vacuum degree of the vacuum chamber; by setting the reference The positioning line 33-8 facilitates precise positioning of the diaphragm 47 of the large array of resistive strain gauges.
如图1所示，本实施例中，所述直线摆动组合气缸9通过法兰安装件8和螺栓固定连接在上顶板7顶部。所述刀架5通过法兰螺母14和螺栓固定连接在直线摆动组合气缸9的活塞杆上。如图4所示，所述刀架5上设置有无杆气缸滑台连接板6，所述无杆气缸滑台3通过与无杆气缸滑台连接板6固定连接的方式安装在刀架5上。As shown in FIG. 1 , in this embodiment, the linear-oscillating combined cylinder 9 is fixedly connected to the top of the upper top plate 7 through a flange mounting part 8 and bolts. The tool rest 5 is fixedly connected to the piston rod of the linear swing combined cylinder 9 through flange nuts 14 and bolts. As shown in Figure 4, the tool holder 5 is provided with a rodless cylinder slide connecting plate 6, and the rodless cylinder slide 3 is installed on the tool holder 5 by being fixedly connected with the rodless cylinder slide connecting plate 6. superior.
如图4所示，本实施例中，所述圆刀片24为超薄钨钢圆刀片，所述圆刀片24通过刀片连接头25固定连接在直流电机23的输出轴上。As shown in FIG. 4 , in this embodiment, the round blade 24 is an ultra-thin tungsten steel round blade, and the round blade 24 is fixedly connected to the output shaft of the DC motor 23 through a blade connector 25 .
本实施例中，所述数据采集板卡10的型号为NIPCI6509，所述输出放大板11的型号为HSF16M。In this embodiment, the model of the data acquisition board 10 is NIPCI6509, and the model of the output amplification board 11 is HSF16M.
本发明的大阵列电阻式应变片自动修形方法，包括以下步骤：The large array resistive strain gauge automatic modification method of the present invention comprises the following steps:
步骤一、操作工人手动将大阵列电阻式应变片膜片47放置在真空吸附台33上后，在计算机4上输入吸附固定指令，并启动真空泵13，数据采集板卡10通过输出放大板11输出信号驱动真空电磁阀18打开，真空泵13抽真空使所述真空腔内产生负压，将大阵列电阻式应变片膜片47吸附固定在吸附台上盖33-2的上表面上；Step 1. After the operator manually places the large array of resistive strain gauge diaphragms 47 on the vacuum adsorption table 33, input the adsorption and fixation command on the computer 4, and start the vacuum pump 13, and the data acquisition board 10 outputs through the output amplifier board 11. The signal drives the vacuum solenoid valve 18 to open, and the vacuum pump 13 vacuumizes to generate negative pressure in the vacuum chamber, and the large array of resistive strain gauge diaphragms 47 are adsorbed and fixed on the upper surface of the adsorption table upper cover 33-2;
步骤二、在计算机4上输入开始修形指令，对大阵列电阻式应变片膜片47进行修形，具体过程为：Step 2: Input the start modification command on the computer 4, and modify the large array resistive strain gauge diaphragm 47. The specific process is:
步骤201、Y轴方向的修形，具体过程为：Step 201, modifying the shape in the Y-axis direction, the specific process is:
步骤2011、数据采集板卡10通过输出放大板11输出信号驱动第二两位五通电磁换向阀16接通，直线摆动组合气缸9的伸出运动进气口9-3接通，直线摆动组合气缸9的活塞杆带动刀架5向下运动，使压板2压紧大阵列电阻式应变片膜片47；Step 2011, the data acquisition board 10 drives the second two-position five-way electromagnetic reversing valve 16 to connect through the output signal of the output amplifier board 11, and the stretching movement air inlet 9-3 of the linear swing combined cylinder 9 is connected, and the linear swing The piston rod of the combined cylinder 9 drives the knife holder 5 to move downward, so that the pressure plate 2 presses the large array resistive strain gauge diaphragm 47;
步骤2012、数据采集板卡10通过输出放大板11输出信号驱动直流电机23启动，直流电机23带动圆刀片24转动；Step 2012, the data acquisition board 10 drives the DC motor 23 to start through the output signal of the output amplifier 11, and the DC motor 23 drives the circular blade 24 to rotate;
步骤2013、数据采集板卡10通过输出放大板11输出信号驱动第三两位五通电磁换向阀17接通，无杆气缸滑台3的正向移动进气口3-1接通，无杆气缸滑台3的滑台带动直流电机23和圆刀片24的整体正向移动，转动的圆刀片24切割大阵列电阻式应变片膜片47；Step 2013, the data acquisition board 10 drives the third two-position five-way electromagnetic reversing valve 17 to connect through the output signal of the output amplifier board 11, and the forward moving air inlet 3-1 of the rodless cylinder slide 3 is connected, and there is no The sliding table of the rod cylinder sliding table 3 drives the DC motor 23 and the circular blade 24 to move forward as a whole, and the rotating circular blade 24 cuts the large array resistive strain gauge diaphragm 47;
步骤2014、数据采集板卡10通过输出放大板11输出信号驱动第二两位五通电磁换向阀16换向，直线摆动组合气缸9的缩回运动进气口9-4接通，直线摆动组合气缸9的活塞杆带动刀架5向上运动，使压板2离开大阵列电阻式应变片膜片47并返回初始位置；Step 2014, the data acquisition board 10 drives the second two-position five-way electromagnetic reversing valve 16 to reversing through the output signal of the output amplifier board 11, and the retraction movement air inlet 9-4 of the linear swing combination cylinder 9 is connected, and the linear swing The piston rod of the combined cylinder 9 drives the tool holder 5 to move upward, so that the pressure plate 2 leaves the large array resistance strain gauge diaphragm 47 and returns to the initial position;
步骤2015、数据采集板卡10通过输出放大板11输出信号驱动第三两位五通电磁换向阀17换向，无杆气缸滑台3的反向移动进气口3-2接通，无杆气缸滑台3的滑台带动直流电机23和圆刀片24的整体反向移动，使直流电机23和圆刀片24返回初始位置；Step 2015, the data acquisition board 10 drives the third two-position five-way electromagnetic reversing valve 17 to reversing through the output signal of the output amplification board 11, and the reverse movement air inlet 3-2 of the rodless cylinder slide 3 is connected. The slide table of the rod cylinder slide table 3 drives the overall reverse movement of the DC motor 23 and the circular blade 24, so that the DC motor 23 and the circular blade 24 return to the initial position;
步骤2016、数据采集板卡10通过输出放大板11输出信号驱动Y轴移动电机37，Y轴移动电机37带动真空吸附台33移动，Y轴移动光栅尺28将移动距离通过数据采集板卡10反馈给计算机4，直至真空吸附台33移动距离a后停止；其中，a为电阻式应变片在Y轴方向上的宽度；Step 2016, the data acquisition board 10 drives the Y-axis moving motor 37 through the output signal of the output amplification board 11, the Y-axis moving motor 37 drives the vacuum adsorption table 33 to move, and the Y-axis moving grating ruler 28 feeds back the moving distance through the data acquisition board 10 Give the computer 4 until the vacuum table 33 moves a distance a and stops; wherein, a is the width of the resistive strain gauge in the Y-axis direction;
重复步骤2011～2016，直至完成大阵列电阻式应变片膜片47的Y轴方向所有的切割为止；Repeat steps 2011-2016 until all the cuttings in the Y-axis direction of the large array resistive strain gauge diaphragm 47 are completed;
步骤202、真空吸附台33复位：数据采集板卡10通过输出放大板11输出信号驱动Y轴移动电机37，Y轴移动电机37带动真空吸附台33移动，Y轴移动光栅尺28将移动距离通过数据采集板卡10反馈给计算机4，直至真空吸附台33返回初始位置；Step 202, reset the vacuum adsorption table 33: the data acquisition board 10 drives the Y-axis moving motor 37 through the output signal of the output amplifier 11, the Y-axis moving motor 37 drives the vacuum adsorption table 33 to move, and the Y-axis moves the grating ruler 28 to pass the moving distance The data acquisition board 10 feeds back to the computer 4 until the vacuum adsorption table 33 returns to the initial position;
步骤203、X轴方向的修形，具体过程为：Step 203, shape modification in the X-axis direction, the specific process is:
步骤2031、数据采集板卡10通过输出放大板11输出信号驱动第一两位五通电磁换向阀15接通，直线摆动组合气缸9的顺时针摆动进气口9-1接通，直线摆动组合气缸9的活塞杆带动刀架5顺时针旋转90°，刀架5带动直流电机23和圆刀片24的整体顺时针旋转90°；Step 2031, the data acquisition board 10 drives the first two-position five-way electromagnetic reversing valve 15 to connect through the output signal of the output amplifier board 11, and the clockwise swing air inlet 9-1 of the linear swing combined cylinder 9 is switched on, and the linear swing The piston rod of the combined cylinder 9 drives the knife rest 5 to rotate clockwise 90°, and the knife rest 5 drives the DC motor 23 and the round blade 24 to rotate 90° clockwise as a whole;
步骤2032、数据采集板卡10通过输出放大板11输出信号驱动第二两位五通电磁换向阀16接通，直线摆动组合气缸9的伸出运动进气口9-3接通，直线摆动组合气缸9的活塞杆带动刀架5向下运动，使压板2压紧大阵列电阻式应变片膜片47；Step 2032, the data acquisition board 10 drives the second two-position five-way electromagnetic reversing valve 16 to connect through the output signal of the output amplifier board 11, and the stretching motion air inlet 9-3 of the linear swing combination cylinder 9 is connected, and the straight swing The piston rod of the combined cylinder 9 drives the knife holder 5 to move downward, so that the pressure plate 2 presses the large array resistive strain gauge diaphragm 47;
步骤2033、数据采集板卡10通过输出放大板11输出信号驱动第三两位五通电磁换向阀17接通，无杆气缸滑台3的正向移动进气口3-1接通，无杆气缸滑台3的滑台带动直流电机23和圆刀片24的整体正向移动，转动的圆刀片24切割大阵列电阻式应变片膜片47；Step 2033, the data acquisition board 10 drives the third two-position five-way electromagnetic reversing valve 17 to connect through the output signal of the output amplifier board 11, and the forward moving air inlet 3-1 of the rodless cylinder slide 3 is connected, and there is no The sliding table of the rod cylinder sliding table 3 drives the DC motor 23 and the circular blade 24 to move forward as a whole, and the rotating circular blade 24 cuts the large array resistive strain gauge diaphragm 47;
步骤2034、数据采集板卡10通过输出放大板11输出信号驱动第二两位五通电磁换向阀16换向，直线摆动组合气缸9的缩回运动进气口9-4接通，直线摆动组合气缸9的活塞杆带动刀架5向上运动，使压板2离开大阵列电阻式应变片膜片47并返回初始位置；Step 2034, the data acquisition board 10 drives the second two-position five-way electromagnetic reversing valve 16 to reversing through the output signal of the output amplifier board 11, and the retraction movement air inlet 9-4 of the linear swing combination cylinder 9 is connected, and the linear swing The piston rod of the combined cylinder 9 drives the tool holder 5 to move upward, so that the pressure plate 2 leaves the large array resistance strain gauge diaphragm 47 and returns to the initial position;
步骤2035、数据采集板卡10通过输出放大板11输出信号驱动第三两位五通电磁换向阀17换向，无杆气缸滑台3的反向移动进气口3-2接通，无杆气缸滑台3的滑台带动直流电机23和圆刀片24的整体反向移动，使直流电机23和圆刀片24返回初始位置；Step 2035, the data acquisition board 10 drives the third two-position five-way electromagnetic reversing valve 17 to reversing through the output signal of the output amplification board 11, and the reverse movement air inlet 3-2 of the rodless cylinder slide 3 is connected. The slide table of the rod cylinder slide table 3 drives the overall reverse movement of the DC motor 23 and the circular blade 24, so that the DC motor 23 and the circular blade 24 return to the initial position;
步骤2036、数据采集板卡10通过输出放大板11输出信号驱动X轴移动电机36，X轴移动电机36带动真空吸附台33移动，X轴移动光栅尺35将移动距离通过数据采集板卡10反馈给计算机4，直至真空吸附台33移动距离b后停止；其中，b为电阻式应变片在X轴方向上的宽度；Step 2036, the data acquisition board 10 drives the X-axis moving motor 36 through the output signal of the output amplification board 11, the X-axis moving motor 36 drives the vacuum adsorption table 33 to move, and the X-axis moving grating ruler 35 feeds back the moving distance through the data acquisition board 10 Give the computer 4 until the vacuum table 33 moves a distance b and stops; wherein, b is the width of the resistive strain gauge in the X-axis direction;
重复步骤2032～2036，直至完成大阵列电阻式应变片膜片47的X轴方向所有的切割为止；Repeat steps 2032-2036 until all the cuttings in the X-axis direction of the large array resistive strain gauge diaphragm 47 are completed;
步骤三、回零复位，具体过程为：Step 3, return to zero and reset, the specific process is:
步骤301、数据采集板卡10通过输出放大板11输出信号驱动直流电机23停止转动，圆刀片24停止转动；Step 301, the data acquisition board 10 drives the DC motor 23 to stop rotating through the output signal of the output amplifier board 11, and the circular blade 24 stops rotating;
步骤302、数据采集板卡10通过输出放大板11输出信号驱动第一两位五通电磁换向阀15接通，直线摆动组合气缸9的逆时针摆动进气口9-2接通，直线摆动组合气缸9的活塞杆带动刀架5逆时针旋转90°，刀架5带动直流电机23和圆刀片24的整体逆时针旋转90°，回到初始位置；Step 302, the data acquisition board 10 drives the first two-position five-way electromagnetic reversing valve 15 to connect through the output signal of the output amplifier board 11, and the counterclockwise swing air inlet 9-2 of the linear swing combination cylinder 9 is connected, and the straight swing The piston rod of the combined cylinder 9 drives the knife rest 5 to rotate 90° counterclockwise, and the knife rest 5 drives the DC motor 23 and the circular blade 24 to rotate 90° counterclockwise as a whole, and returns to the initial position;
步骤303、数据采集板卡10通过输出放大板11输出信号驱动X轴移动电机36，X轴移动电机36带动真空吸附台33移动，X轴移动光栅尺35将移动距离通过数据采集板卡10反馈给计算机4，直至真空吸附台33返回初始位置。Step 303, the data acquisition board 10 drives the X-axis moving motor 36 through the output signal of the output amplification board 11, the X-axis moving motor 36 drives the vacuum adsorption table 33 to move, and the X-axis moving grating ruler 35 feeds back the moving distance through the data acquisition board 10 to the computer 4 until the vacuum table 33 returns to the initial position.
以上所述，仅是本发明的较佳实施例，并非对本发明作任何限制，凡是根据本发明技术实质对以上实施例所作的任何简单修改、变更以及等效结构变化，均仍属于本发明技术方案的保护范围内。The above are only preferred embodiments of the present invention, and do not limit the present invention in any way. All simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical essence of the present invention still belong to the technical aspects of the present invention. within the scope of protection of the scheme.
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| CN106182132A (en) | 2016-12-07 |
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