CN113624161A - Inclination angle measuring device and method for square-shaped aluminum alloy frame - Google Patents
Inclination angle measuring device and method for square-shaped aluminum alloy frame Download PDFInfo
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- CN113624161A CN113624161A CN202110902515.0A CN202110902515A CN113624161A CN 113624161 A CN113624161 A CN 113624161A CN 202110902515 A CN202110902515 A CN 202110902515A CN 113624161 A CN113624161 A CN 113624161A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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Abstract
The invention discloses a device for measuring the inclination angle of a square-back-shaped aluminum alloy frame, which comprises a workbench, wherein a rectangular opening is formed in the workbench, and a square-back-shaped frame measuring mechanism is installed on the workbench. The invention also discloses a measuring method of the device for measuring the inclination angle of the square-rectangular aluminum alloy frame, which comprises the following steps: s1: and placing the square-rectangular aluminum alloy frame standard part on a frame placing table to enable the square-rectangular aluminum alloy frame standard part to be tightly attached to the mark aligning top block. The invention utilizes the square-shaped aluminum alloy frame standard component to carry out benchmark correction, measures the length, the width, the gradient and the planeness of the mobile phone frame through five displacement sensors arranged on the frame placing platform, finally completes the measurement of the number of the hole sites of the square-shaped frame through the illumination platform and the photosensitive platform, and displays the measurement result on the display through the PLC controller, thereby facilitating the detection personnel to observe whether the square-shaped frame is qualified or not.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicle design and manufacture, in particular to a device and a method for measuring the inclination angle of a rectangular aluminum alloy frame.
Background
"skeleton" of return font frame as unmanned aerial vehicle wing structure design, receive the influence of extrusion force easily during processing, lead to the frame to warp, so need detect its frame inclination and plane degree before unmanned aerial vehicle designs the frame mounting, prevent that the defective work from flowing into market, current return font aluminum alloy frame inclination angle measuring device, mostly detect to the length and width of frame, do not consider the frame and receive the condition of bending deformation, and to the hole site quantity on the return font frame, mostly also adopt the mode of manual work check to check up, not only a large amount of labours have been wasted, detection efficiency and rate of accuracy are not high yet.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a device and a method for measuring the inclination angle of a square-back aluminum alloy frame, which utilize a square-back aluminum alloy frame standard part to carry out reference correction, measure the length, the width, the inclination and the planeness of a mobile phone frame through five displacement sensors arranged on a frame placing table, finally complete the measurement of the number of hole sites of the square-back frame through an illumination platform and a photosensitive platform, and display the measurement result on a display through a PLC (programmable logic controller), thereby facilitating the detection personnel to observe whether the square-back frame is qualified or not.
In order to achieve the purpose, the invention is realized by the following technical scheme: a rectangular opening is formed in the workbench, a rectangular frame measuring mechanism is mounted on the workbench and comprises a PLC (programmable logic controller), a display and a detection platform mounted at the rectangular opening, and the PLC is electrically connected with the detection platform and the display;
the detection platform comprises an illumination platform, a frame placing platform and a photosensitive platform which are sequentially arranged from top to bottom, a lamp is arranged at the bottom of the illumination platform, the frame placing platform is installed at the top of the rectangular opening, the illumination platform is connected with the frame placing platform through two stand columns, and the bottom of the frame placing platform is connected with the photosensitive platform through a connecting column;
the frame is placed the upper surface left end and the front portion of platform and is all equipped with the mark kicking block, and the frame is placed the bench and is offered the through-hole that corresponds with the font frame that returns that awaits measuring, and displacement sensor is all installed at rear portion both ends, right-hand member and the bottom both ends that the platform was placed to the frame, and displacement sensor inside is provided with reset spring.
Further inject, the workstation is including supporting the desktop, the rectangle opening is seted up on supporting the desktop, and the rectangle open-ended bottom outside is equipped with the light shield for the sensitization platform avoids the interference of external light, has improved the detection precision, the display is placed in the upper surface that supports the desktop, and the PLC controller is installed in the bottom surface that supports the desktop.
Further inject, the four corners of the frame placing table are respectively connected with the bottom plate through the connecting columns, the front part and the rear part of the upper surface of the frame placing table are respectively provided with a rectangular groove, and the photosensitive platform is installed on the upper surface of the bottom plate.
Further limiting, the frame placing table is connected with the upper surface of the supporting table top through a first L-shaped fixing plate, fixing frames are arranged on the right side and the rear portion of the frame placing table, displacement sensors on the rear portion and the right side of the frame placing table are connected with the fixing frames through a second L-shaped fixing plate respectively, and the displacement sensor at the bottom of the frame placing table is connected with the frame placing table through a third L-shaped fixing plate.
A measuring method of a device for measuring the inclination angle of a rectangular aluminum alloy frame comprises the following steps:
s1: placing the square-shaped aluminum alloy frame standard part on a frame placing table, enabling the square-shaped aluminum alloy frame standard part to be tightly attached to the opposite mark top block, enabling displacement sensors on the periphery of the frame placing table to be in contact with the frame placing table, enabling the displacement sensors to be tightly attached to the square-shaped aluminum alloy frame standard part due to the fact that a reset spring provides thrust, enabling the position displayed on a display to be zero, and marking the position as a reference position, wherein data of the displacement sensor on the right end is marked as data one, data of two displacement sensors on the rear portion is marked as data two and data three, and data of two displacement sensors on the lower end is marked as data four and data five;
s2: taking down the square-shaped aluminum alloy frame standard part, placing the square-shaped frame to be detected on a frame placing table according to the step S1, observing data displayed on a display, wherein if the size of a first data is within 0.6 wire, the length is qualified, if the error between a second data and a third data is within 0.6, the width and the frame parallelism are qualified, and if the error between a fourth data and a fifth data is within 0.6, the surface flatness of the mobile phone frame is qualified;
s3: open the strong light of illumination platform, make light pass through cell-phone frame and place the through-hole on the platform and beat on sensitization platform, show the light spot on sensitization platform on the display through the PLC controller, observe the display, if there is the light spot disappearance, then the display sends the police dispatch newspaper. .
The invention has the following beneficial effects:
1. according to the measuring method of the inclination angle measuring device of the square-back-shaped aluminum alloy frame, the length, the width, the inclination and the flatness of the square-back-shaped frame to be detected are detected through the five displacement sensors arranged on the detection platform, the detection efficiency is high, all detection can be completed by only one person, a large amount of labor force is saved, the mark aligning top block is arranged on the frame placing table, the square-back-shaped frame to be detected can be positioned, the detection speed is improved, the two rectangular grooves are formed in the two sides of the middle of the upper end face of the frame placing table, the square-back-shaped frame can be conveniently and quickly taken out by a detection person, and the detection efficiency is improved to a certain extent.
2. According to the measuring method of the inclination angle measuring device of the square-back-shaped aluminum alloy frame, the number of hole sites on the square-back-shaped frame is detected through three layers of mechanisms, namely the illumination platform, the frame placing table and the photosensitive platform, light is emitted through the strong light lamp arranged on the illumination platform, the light passes through the through holes in the mobile phone frame and the frame placing table and is irradiated on the photosensitive platform, the photosensitive platform transmits the light spots to the display through the PLC after receiving the light spots, and if the number of the hole sites is lost, the display gives an alarm, so that the hole site detection efficiency and accuracy are greatly improved, and the automation degree is high.
3. According to the measuring method of the inclination angle measuring device of the square-back-shaped aluminum alloy frame, the detecting platform is fixed on the supporting desktop through the first L-shaped fixing plate, the detecting platform is prevented from sliding, detection of a square-back shape is facilitated for a detector, the upper end of the supporting desktop is provided with the rectangular opening, and the lower end of the rectangular opening is provided with the light shield, so that the photosensitive platform is prevented from being interfered by external light, and the detection precision is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the structure of the light-shielding mask of the present invention;
FIG. 3 is a schematic diagram of a detection state structure of the detection platform according to the present invention;
FIG. 4 is a schematic structural diagram of a testing platform according to the present invention;
FIG. 5 is a top view of the frame mounting table of the present invention;
FIG. 6 is a bottom view of the illumination platform of the present invention;
FIG. 7 is a schematic structural diagram of a square-shaped aluminum alloy frame standard component according to the present invention.
In the figure: 1. a work table; 11. supporting the tabletop; 12. a light shielding cover; 13. an L-shaped fixing plate I; 2. a rectangular frame measuring mechanism; 21. a detection platform; 211. an illumination platform; 212. a column; 213. a highlight lamp; 214. a frame placing table; 215. aligning the mark top block; 216. a displacement sensor; 2161. an L-shaped fixing plate II; 2162. a fixed mount; 2163. an L-shaped fixing plate III; 217. connecting columns; 218. a base plate; 219. a photosensitive platform; 22. a PLC controller; 23. a display.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a rectangular opening is formed in the workbench 1, a rectangular frame measuring mechanism 2 is mounted on the workbench 1, the rectangular frame measuring mechanism 2 comprises a PLC (programmable logic controller) 22, a display 23 and a detection platform 21 mounted at the rectangular opening, and the PLC 22 is electrically connected with the detection platform 21 and the display 23;
referring to fig. 3 and 6, the detection platform 21 includes an illumination platform 211, a frame placing table 214 and a photosensitive platform 219, which are sequentially arranged from top to bottom, the bottom of the illumination platform 211 is provided with a lamp, the lamp is four strong lights 213 which are arranged in a rectangular shape and are arranged on the bottom surface of the illumination platform 211, the frame placing table 214 is installed on the top of a rectangular opening, the illumination platform 211 is connected with the frame placing table 214 through two upright posts 212, and the bottom of the frame placing table 214 is connected with the photosensitive platform 219 through a connecting post 217;
referring to fig. 3 and 4, four corners of the frame placing table 214 are respectively connected with the bottom plate 218 through connecting posts 217, the photosensitive platform 219 is installed on the upper surface of the bottom plate 218, the left end and the front part of the upper surface of the frame placing table 214 are respectively provided with the benchmarking top blocks 215, two benchmarking top blocks 215 are horizontally arranged and installed on the front part of the upper surface of the frame placing table 214, the other two benchmarking top blocks 215 are vertically arranged and installed on the left side of the upper surface of the frame placing table 214, the frame placing table 214 is provided with a through hole corresponding to the frame in a shape of a Chinese character 'hui' to be detected, the position of the through hole is coaxial and equal to the through hole on the frame in a shape of a Chinese character 'hui' to be detected, the standard part of the Chinese character 'hui' shaped aluminum alloy frame is made of stainless steel, the planeness is less than 0.06mm, the inclination of the frame is less than 0.06mm, displacement sensors 216 are installed on the two ends of the rear part, the right end and the two ends of the bottom of the frame placing table 214, and a reset spring is arranged inside of the displacement sensors 216, the inductive probe of the displacement sensor 216 can be always tightly attached to the mobile phone frame, and the detection accuracy and efficiency are improved.
Referring to fig. 1 and 2, the workbench 1 includes a supporting desktop 11, a rectangular opening is opened on the supporting desktop 11, a light shielding cover 12 is arranged outside the bottom end of the rectangular opening, the display 23 is placed on the upper surface of the supporting desktop 11, the PLC controller 22 is installed on the bottom surface of the supporting desktop 11, and the display 23, the photosensitive platform 219, the highlight lamp 213 and the displacement sensor 216 are all electrically connected with the PLC controller.
Referring to fig. 3 and 4, the frame placing table 214 is connected with the upper surface of the supporting table 11 through the first L-shaped fixing plate 13, the right side and the rear portion of the frame placing table 214 are respectively provided with a fixing frame 2162, the displacement sensors 216 at the rear portion and the right side of the frame placing table 214 are respectively connected with the fixing frame 2162 through the second L-shaped fixing plate 2161, the displacement sensor 216 at the bottom of the frame placing table 214 is connected with the frame placing table 214 through the third L-shaped fixing plate 2163, the front portion and the rear portion of the upper surface of the frame placing table 214 are respectively provided with a rectangular groove, so that a detection person can conveniently and quickly take out the frame shaped like a Chinese character hui, and the detection efficiency is improved to a certain extent.
The invention also discloses a measuring method of the device for measuring the inclination angle of the square-rectangular aluminum alloy frame, which comprises the following steps:
s1: placing the square-rectangular aluminum alloy frame standard part on a frame placing table 214, enabling the square-rectangular aluminum alloy frame standard part to be tightly attached to the opposite mark top block 215, enabling displacement sensors 216 on the periphery of the frame placing table 214 to be in contact with the frame placing table, enabling the displacement sensors 216 to be tightly attached to the square-rectangular aluminum alloy frame standard part due to the fact that a reset spring provides thrust, enabling the position displayed on a display 23 to be zero and recorded as a reference position, wherein data of the displacement sensor 216 on the right end is recorded as data one, data of the two displacement sensors 216 on the rear portion are recorded as data two and data three, and data of the two displacement sensors 216 on the lower end are recorded as data four and data five;
s2: taking down the square-rectangular aluminum alloy frame standard part, placing the square-rectangular frame to be detected on the frame placing table 214 according to the step S1, observing data displayed on the display 23, wherein if the size of the first data is within 0.6 wire, the length is qualified, if the error between the second data and the third data is within 0.6, the width and the frame parallelism are qualified, and if the error between the fourth data and the fifth data is within 0.6, the surface flatness of the mobile phone frame is qualified;
s3: the strong light 213 of the illumination platform 211 is turned on, so that light can penetrate through the mobile phone frame and the through hole on the frame placing table 214 and strike on the photosensitive platform 219, the light spot on the photosensitive platform 219 is displayed on the display 23 through the PLC 22, the display 23 is observed, and if the light spot is absent, the display 23 gives an alarm.
The working principle is as follows: the length, the width, the gradient, the flatness and the hole site quantity of the mobile phone frame to be detected are detected by using the detection platform 21, information is transmitted to the display 23 through the PLC 22, if unqualified products appear, the display 23 gives an alarm, the detection efficiency and the accuracy of the frame shaped like a Chinese character 'hui' are greatly improved, when in detection, firstly, the standard part of the frame shaped like a 'hui' is placed on the frame placing platform 214, the five displacement sensors 216 are used for positioning the length, the width, the gradient and the flatness of the standard part of the frame shaped like a 'hui' and the measured data are used as reference dimensions, wherein, the displacement sensor 216 at the right end measures the length of the frame, the two displacement sensors 216 at the rear end measure the width and the gradient of a frame, the two displacement sensors 216 at the bottom measure the flatness, then the standard part of the frame shaped like a 'hui' is taken down, the frame shaped to be detected is placed on the frame placing platform 214, and the size is detected by using the displacement sensors 216, if the error exceeds 0.06mm, the mobile phone frame is a defective product, meanwhile, the floodlight 213 arranged on the illumination platform 211 emits light, the light passes through the mobile phone frame and the hole on the frame placing table 214 and is punched on the photosensitive platform 219, and then the number and the position of the hole sites are displayed on the display 23 by using the PLC 22, so that a tester can conveniently detect whether the hole sites of the mobile phone frame are leaked, the detection manpower is saved, the detection efficiency is improved, and finally, the measured frame shaped like a Chinese character 'hui' is taken out through the two rectangular grooves arranged at the upper end of the frame placing table 214;
when the size of the square frame is measured, the square frame is placed on the frame placing table 214, the lower frame and the left frame are made to be tightly attached to the opposite mark top block 215, positioning work is completed, the induction probe of the displacement sensor 216 is attached to the square frame, measurement work is completed, and when measurement is performed, due to the fact that the reset spring is arranged inside the displacement sensor 216, the induction probe can be guaranteed to be always tightly attached to the mobile phone frame, and detection accuracy and efficiency are improved.
1. According to the measuring method of the inclination angle measuring device of the square-back-shaped aluminum alloy frame, the length, the width, the inclination and the flatness of the square-back-shaped frame to be detected are detected through the five displacement sensors 216 arranged on the detection platform 21, the detection efficiency is high, all detection can be completed by only one person, a large amount of labor force is saved, the mark-aligning top block 215 is arranged on the frame placing table 214, the square-back-shaped frame to be detected can be positioned, the detection speed is improved, two rectangular grooves are formed in the two sides of the middle of the upper end face of the frame placing table 214, the square-back-shaped frame can be conveniently and quickly taken out by detection personnel, and the detection efficiency is improved to a certain extent.
2. According to the measuring method of the inclination angle measuring device of the square-back-shaped aluminum alloy frame, the number of hole sites on the square-back-shaped frame is detected through three layers of mechanisms, namely the illumination platform 211, the frame placing table 214 and the photosensitive platform 219, light is emitted through the powerful lamp 213 arranged on the illumination platform 211, the light penetrates through holes in the mobile phone frame and the frame placing table 214 and irradiates the photosensitive platform 219, after the photosensitive platform 219 receives the light spots, the light spots are transmitted to the display 23 through the PLC 22, if the number of the hole sites is lost, the display 23 gives an alarm, the hole site detection efficiency and accuracy are greatly improved, and the automation degree is high.
3. According to the measuring method of the inclination angle measuring device of the square-back-shaped aluminum alloy frame, the detection platform 21 is fixed on the supporting desktop 11 through the L-shaped fixing plate I13, the detection platform 21 is prevented from sliding, detection of the square-back shape by a detector is facilitated, the rectangular opening is formed in the upper end of the supporting desktop 11, the light shield 12 is installed at the lower end of the rectangular opening, the photosensitive platform 219 is prevented from being interfered by external light, and the detection precision is improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a return font aluminum alloy frame inclination measuring device, includes the workstation, has seted up the rectangle opening on the workstation, its characterized in that: the workbench is provided with a square frame measuring mechanism, the square frame measuring mechanism comprises a PLC (programmable logic controller), a display and a detection platform arranged at the rectangular opening, and the PLC is electrically connected with the detection platform and the display;
the detection platform comprises an illumination platform, a frame placing platform and a photosensitive platform which are sequentially arranged from top to bottom, a lamp is arranged at the bottom of the illumination platform, the frame placing platform is installed at the top of the rectangular opening, the illumination platform is connected with the frame placing platform through two stand columns, and the bottom of the frame placing platform is connected with the photosensitive platform through a connecting column;
the frame is placed the upper surface left end and the front portion of platform and is all equipped with the mark kicking block, and the frame is placed the bench and is offered the through-hole that corresponds with the font frame that returns that awaits measuring, and displacement sensor is all installed at rear portion both ends, right-hand member and the bottom both ends that the platform was placed to the frame, and displacement sensor inside is provided with reset spring.
2. The inclination angle measuring device of a rectangular aluminum alloy frame according to claim 1, characterized in that: the workstation is including supporting the desktop, the rectangle opening is seted up on supporting the desktop, and the rectangle open-ended bottom outside is equipped with the light shield, the display is placed in the upper surface that supports the desktop, and the PLC controller is installed in the bottom surface that supports the desktop.
3. The inclination angle measuring device of a rectangular aluminum alloy frame according to claim 3, wherein: the four corners of the frame placing table are connected with the bottom plate through the connecting columns respectively, rectangular grooves are formed in the front portion and the rear portion of the upper surface of the frame placing table, and the photosensitive platform is mounted on the upper surface of the bottom plate.
4. The inclination angle measuring device of a rectangular aluminum alloy frame according to claim 4, wherein: the frame is placed the platform and is passed through L shape fixed plate one and the upper surface connection who supports the desktop, the right side and the rear portion that the platform was placed to the frame all are equipped with the mount, the frame is placed the displacement sensor on platform rear portion and right side and is connected with the mount through L shape fixed plate two respectively, the frame is placed the displacement sensor of platform bottom and is placed the platform through L shape fixed plate three and be connected with the frame.
5. The method for measuring the inclination angle of the rectangular aluminum alloy frame according to any one of claims 1 to 4, comprising the steps of:
s1: placing the square-shaped aluminum alloy frame standard part on a frame placing table, enabling the square-shaped aluminum alloy frame standard part to be tightly attached to the opposite mark top block, enabling displacement sensors on the periphery of the frame placing table to be in contact with the frame placing table, enabling the displacement sensors to be tightly attached to the square-shaped aluminum alloy frame standard part due to the fact that a reset spring provides thrust, enabling the position displayed on a display to be zero, and marking the position as a reference position, wherein data of the displacement sensor on the right end is marked as data one, data of two displacement sensors on the rear portion is marked as data two and data three, and data of two displacement sensors on the lower end is marked as data four and data five;
s2: taking down the square-shaped aluminum alloy frame standard part, placing the square-shaped frame to be detected on a frame placing table according to the step S1, observing data displayed on a display, wherein if the size of a first data is within 0.6 wire, the length is qualified, if the error between a second data and a third data is within 0.6, the width and the frame parallelism are qualified, and if the error between a fourth data and a fifth data is within 0.6, the surface flatness of the mobile phone frame is qualified;
s3: open the strong light of illumination platform, make light pass through cell-phone frame and place the through-hole on the platform and beat on sensitization platform, show the light spot on sensitization platform on the display through the PLC controller, observe the display, if there is the light spot disappearance, then the display sends the police dispatch newspaper.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114485518A (en) * | 2022-02-22 | 2022-05-13 | 杭州科技职业技术学院 | Automatic testing arrangement of work piece shape size |
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| CN110307814A (en) * | 2019-07-17 | 2019-10-08 | 上海交通大学 | A kind of full-automatic contact measuring apparatus and method |
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| CN211504014U (en) * | 2020-04-10 | 2020-09-15 | 苏州狼人精密机械有限公司 | Hole site detection device of elevator sheet metal component |
| CN212585684U (en) * | 2020-06-17 | 2021-02-23 | 东莞市华钜检测科技有限公司 | Novel multifunctional measuring device |
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