CN101539401B - Automatic detection method and device of wall thickness of perforating bullet energy concentrating cover - Google Patents
Automatic detection method and device of wall thickness of perforating bullet energy concentrating cover Download PDFInfo
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- CN101539401B CN101539401B CN2009100113028A CN200910011302A CN101539401B CN 101539401 B CN101539401 B CN 101539401B CN 2009100113028 A CN2009100113028 A CN 2009100113028A CN 200910011302 A CN200910011302 A CN 200910011302A CN 101539401 B CN101539401 B CN 101539401B
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- wall thickness
- energy gathering
- gathering cap
- laser length
- perforating bullet
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- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 41
- 238000012360 testing method Methods 0.000 claims description 10
- 230000001186 cumulative effect Effects 0.000 claims description 6
- 230000002950 deficient Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000009987 spinning Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 208000037805 labour Diseases 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000510164 Cumberlandia monodonta Species 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
The invention relates to an automatic detection method and an automatic detection device of the wall thickness of a perforating bullet energy concentrating cover, belonging to the field of the manufacture of a perforating bullet used for oil-gas field exploitation, in particular to automatic measurement, detection and spinning equipment of the perforating bullet energy concentrating cover. The automatic detection method of the perforating bullet energy concentrating cover measures the wall thickness on an automatic detection device of the perforating bullet energy concentrating cover, which is controlled by an external PLC; when in measurement, firstly, the measured perforating bullet energy concentrating cover is placed into a measuring cup, and an axial line of the perforating bullet energy concentrating cover is ensured to be coaxial with an axial line of the measuring cup and perpendicular to a work table surface. The automatic detection device comprises a stand, a left laser length measuring sensor, a right laser length measuring sensor, the measuring cup, a stepping motor, a bearing seat, two deep groove ball bearings, a sensor support frame, a bearing end cover, a main shaft, and the like. The invention adopts the external PLC to control the stepping motor to drive the perforating bullet energy concentrating cover to rotate and adopts the left laser length measuring sensor and the right laser length measuring sensor to detect the wall thickness, and collected measuring signals are processed and operated by the external PLC, thereby the invention has high detection efficiency, high precision, safety and reliability.
Description
Technical field
A kind of wall thickness of perforating bullet energy concentrating cover automatic testing method of the present invention and device belong to the production field of oil gas field with the perforating bullet exploitation, particularly perforating bullet cumulative cover automatic weighting of metal powder, automatic spinning equipment and wall thickness automatic measurement technology.
Background technology
In the process of known oil gas field with perforating bullet exploitation production, the homogeneity of its energy gathering cap wall thickness directly influences producing capacity, quality and production cost.So in manufacture process, will carry out strict control to evenness of wall thickness.At present, perforating bullet manufacturing enterprise adopts the dial gauge measuring method to carry out energy gathering cap wall thickness hand dipping, this traditional measuring method, carry out multimetering, error is in tens micrometer ranges, in the time of operate as normal, two skilled labors could satisfy the normal surveying work of a press device, exist measuring accuracy low, problems such as the low and poor stability of efficiency of measurement, from the perforating bullet workmanship, compacting efficient and secure context are considered, must realize automatic weighing and transmission, to satisfy the high precision of perforating bullet cumulative cover, high-level efficiency, safe and unmanned automated manufacturing requirement.
Summary of the invention
The technical barrier that the present invention will solve is to solve oil, a processing and a forming technique difficult problem in manufacturing of perforating bullet such as chemical industry and national defence and the equipment, and provide a kind of efficient, reliably, high-quality perforating bullet cumulative cover wall automatic testing method and device, the later process that relates at perforating bullet cumulative cover automatic spinning equipment, the automatic problems of measurement of wall thickness of perforating bullet energy concentrating cover, development robotization wall thickness measuring device, and integrated metal powder weighing, spinning and detection are the fully-automatic equipment of one, patent of the present invention is a kind of wall thickness of perforating bullet energy concentrating cover self-operated measuring unit, adopt PLC control step driven by motor energy gathering cap to rotate, laser length measurement sensor wall thickness, the measuring-signal that collects is handled calculating by PLC, satisfies the high precision that energy gathering cap is made, high-level efficiency and security production requirement.
A kind of wall thickness of perforating bullet energy concentrating cover automatic testing method of the technical solution used in the present invention, it is characterized in that, externally carry out the energy gathering cap wall thickness measuring on the wall thickness of perforating bullet energy concentrating cover aut.eq. of PLC control, at first energy gathering cap 7 is encased in and surveys in the cup 8, and guarantee that the energy gathering cap axis is coaxial, vertical with work top with the survey cup axis; Start stepper motor 2, driven main shaft 10 and surveyed cup 8 rotations by stepper motor 2, energy gathering cap 7 rotates with the speed that per minute 20-60 changes; Place the CCD left side laser length measurement sensor 6 of energy gathering cap both sides and right laser length measurement sensor 6 ', same point to energy gathering cap transmits simultaneously, and receive return signal simultaneously, left side laser length measurement sensor 6 transmits right laser length measurement sensor 6 ' transmit to the energy gathering cap inwall to the energy gathering cap outer wall; If the distance D between the two laser length measurement sensor light source launching site is a definite value, right laser length measurement sensor 6 ' light source is S to the distance of energy gathering cap 7 inwalls, and left laser length measurement sensor 6 sources are L to the distance of energy gathering cap 7 outer walls, and then wall thickness is: h=D-L-S; According to the energy gathering cap size, energy gathering cap 7 rotates all sampled points and is set at 40-60; Two laser length measurement sensors carry out wall thickness measuring about startup, when energy gathering cap 7 rotates a circle, because wall thickness deflection causes the wall thickness information change of collection, thereby measures wall thickness deflection; Through the PLC computing, obtain 40-60 wall thickness deflection value on the energy gathering cap, the wall thickness deflection value of thickest error amount and default compared during energy gathering cap 7 rotated a circle, if this difference is in range of set value, then be qualified energy gathering cap, if this difference is defective energy gathering cap outside range of set value.
Corresponding wall thickness of perforating bullet energy concentrating cover automatic testing method, the automatic detection device that adopts, it is characterized in that, by frame 1, stepper motor 2, bearing seat 3, two deep groove ball bearings 4, sensor stand 5, left laser length measurement sensor 6 and right laser length measurement sensors 6 ', survey cup 8, bearing (ball) cover 9, main shaft 10, round nut 11, motor cabinet 12, motor holding screw 13, survey a cup trip bolt 14, bearing seat holding screw 15, sensor holding screw 16, support holding screw 17 form; The main shaft 10 that a deep groove ball bearing 4 respectively is equipped with at two ends respectively is installed in the bearing seat 3, compress deep groove ball bearing 4 outer rings with bearing (ball) cover 9, and bearing (ball) cover 9 is fixed on the main shaft 10 with round nut 11, be installed in round nut 11 locking deep groove ball bearings 4 inner rings on the main shaft 10, it is affixed with main shaft 10 that a survey cup trip bolt 14 will be surveyed cup 8, stepper motor 2 is affixed with motor cabinet 12 and bearing seat 3 by motor holding screw 13, bearing seat 3 is connected on the work top of frame 1 with bearing seat holding screw 15; About two laser length measurement sensors 6,6 ' be fixed on the sensor stand 5 by sensor holding screw 16, sensor stand 5 usefulness support holding screws 17 are fixed on the work top of frame 1.
Benefit of the present invention is: 1) automaticity height does not need the special messenger to operate; The everything of equipment and calculating process all are to finish automatically, do not need artificial intervention, have saved the labour.2) device measuring precision height; Past hand dipping precision is up to 30 microns, and present measuring accuracy can reach 2 microns according to the resolution of laser sensor, and laser sensor has higher sample frequency, can gather a lot of points, improves measuring accuracy.3) efficiency of measurement height; The old-fashioned measuring method in past needs the workman to utilize measuring that dial gauge puts one by one, and efficient is low, adopts automated production to rise to original 3-5 doubly with behind efficiency.4) non-contact detection method of its device of employing laser sensing helps protecting the energy gathering cap quality.
Description of drawings
Fig. 1 is the front view of energy gathering cap Wall Thickness Testing Device schematic diagram, and Fig. 2 is the vertical view of energy gathering cap Wall Thickness Testing Device schematic diagram.Wherein: 1-frame, 2-stepper motor, 3-bearing seat, 4-deep groove ball bearing, 5-sensor stand, 6-left side laser length measurement sensor, 6 '-right laser length measurement sensor, 7-energy gathering cap, 8-survey cup, 9-bearing (ball) cover, 10-main shaft, 11-round nut, 12-motor cabinet, and 13-motor holding screw, 14-survey a glass trip bolt, 15-bearing seat holding screw, 16-sensor holding screw, 17-support holding screw.
Embodiment
Combination technology scheme and accompanying drawing describe the specific embodiment of the present invention in detail: externally carry out wall thickness on the perforating bullet cumulative cover automatic detection device of PLC control and measure; At first energy gathering cap 7 is encased in and surveys in the cup 8, and guarantee that the energy gathering cap axis is coaxial, vertical with work top with the survey cup axis; Start stepper motor 2, driven main shaft 10 and surveyed cup 8 rotations by stepper motor 2, energy gathering cap 7 rotates with the speed that per minute 40 changes; Place the CCD left side laser length measurement sensor 6 of energy gathering cap both sides and right laser length measurement sensor 6 ', same point to energy gathering cap transmits simultaneously, and receive return signal simultaneously, left side laser length measurement sensor 6 transmits right laser length measurement sensor 6 ' transmit to the energy gathering cap inwall to the energy gathering cap outer wall; If the distance D between the two laser length measurement sensor light source launching site is a definite value, right laser length measurement sensor 6 ' light source is S to the distance of energy gathering cap 7 inwalls, left laser length measurement sensor 6] source is L to the distance of energy gathering cap 7 outer walls, then wall thickness is: h=D-L-S; According to the energy gathering cap size, energy gathering cap 7 rotates all sampled points and is set at 60; Start two laser length measurement sensors 6, carry out wall thickness measuring, when energy gathering cap 7 rotates a circle, because wall thickness deflection causes the wall thickness information change of collection, thereby measures wall thickness deflection; Through the PLC computing, obtain 60 wall thickness deflection values on the energy gathering cap, with energy gathering cap in 7 one weeks the wall thickness difference of thickest difference and default compare, if this difference is in the difference range of setting, then be qualified energy gathering cap, be discharged into successively in the spectacle case vanning; If this difference is defective energy gathering cap outside the difference range of setting, can send alerting signal after detecting substandard product, wait pending.
Specific embodiment, about distance between two laser sensor light sources be the D=75 millimeter, two bundles are vertical with tested energy gathering cap wall at the laser of same straight line, Laser Measuring in the energy gathering cap inboard must be apart from being the S=40.122 millimeter, outside Laser Measuring must be apart from being the L=32.000 millimeter, wall thickness is: h=D-L-S=75-32-40.122=2.878 millimeter, energy gathering cap 7 be slowly rotation under the driving of stepper motor 2; About two laser sensor measurement data, in PLC, calculate with wall thickness value, try to achieve wherein maximum wall thickness difference, for example, the wall thickness deflection value is 0.004mm, and the wall thickness difference 0.005mm of this thickest difference and default is compared, and judges that energy gathering cap is qualified; If the wall thickness deflection value is 0.006mm, the wall thickness difference 0.005mm of this thickest difference and default is compared, judge that energy gathering cap is underproof.
A kind of wall thickness of perforating bullet energy concentrating cover automatic testing method of the present invention and device have the characteristics of accuracy of detection height, efficient height, reliability height and automated safe production.
Claims (2)
1. a wall thickness of perforating bullet energy concentrating cover automatic testing method is characterized in that, externally carries out wall thickness measuring on the perforating bullet cumulative cover automatic detection device of PLC control; During measurement, at first tested energy gathering cap [7] is encased in and surveys in the cup [8], and guarantee that the energy gathering cap axis is coaxial and vertical with work top with the survey cup axis; Then, start stepper motor [2], driven main shaft [10] and surveyed cup [8] rotation by stepper motor [2], energy gathering cap [7] rotates with the speed that per minute 20-60 changes; Place the left laser length measurement sensor [6] and the right laser length measurement sensor [6 '] of energy gathering cap both sides, transmit to energy gathering cap simultaneously, left side laser length measurement sensor [6] transmits to the energy gathering cap outer wall, right laser length measurement sensor [6 '] transmits to the energy gathering cap inwall, and receives return signal simultaneously;
If about distance D between two laser length measurement sensor light source launching site be definite value, right laser length measurement sensor [6 '] light source is S to the distance of energy gathering cap [7] inwall, left side laser length measurement sensor [6] light source is L to the distance of energy gathering cap [7] outer wall, and then wall thickness is: h=D-L-S; According to the energy gathering cap size, energy gathering cap [7] rotates all sampled points and is set at 40-60, two laser length measurement sensors [6,6 '] about startup, carry out wall thickness measuring, when energy gathering cap [7] when rotating a circle, because the difference of wall thickness, cause the wall thickness information change of collection, thereby measure wall thickness deflection; Through the PLC computing, obtain 40-60 wall thickness deflection value on the energy gathering cap, the error amount of thickest error amount and setting compared during energy gathering cap [7] rotated a circle, if this difference is in range of set value, then be qualified energy gathering cap, if this difference is defective energy gathering cap outside the difference range of setting.
2. a kind of wall thickness of perforating bullet energy concentrating cover automatic testing method shown in claim 1, it is characterized in that described aut.eq. pick-up unit is made up of frame [1], left laser length measurement sensor [6], right laser length measurement sensor [6 '], survey cup [8], a stepper motor [2], bearing seat [3], two deep groove ball bearings [4], sensor stand [5], bearing (ball) cover [9], main shaft [10], round nut [11], motor cabinet [12], motor holding screw [13], a survey cup trip bolt [14], bearing seat holding screw [15], sensor holding screw [16], support holding screw [17]; The main shaft [10] that a deep groove ball bearing [4] respectively is equipped with at two ends respectively is installed in the bearing seat [3], compress deep groove ball bearing [4] outer ring with bearing (ball) cover [9], and bearing (ball) cover [9] is fixed on the main shaft [10] with round nut [11], be installed in round nut [11] locking deep groove ball bearing [4] inner ring on the main shaft [10], it is affixed with main shaft [10] that a survey cup trip bolt [14] will be surveyed cup [8], stepper motor [2] is affixed by same motor cabinet of motor holding screw [13] [12] and bearing seat [3], with bearing seat holding screw [15] bearing seat [3] is connected on the work top of frame [1]; About two laser length measurement sensors [6,6 '] be fixed on the sensor stand [5] by sensor holding screw [16], sensor stand [5] is fixed on the work top of frame [1] with support holding screw [17].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100113028A CN101539401B (en) | 2009-04-22 | 2009-04-22 | Automatic detection method and device of wall thickness of perforating bullet energy concentrating cover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100113028A CN101539401B (en) | 2009-04-22 | 2009-04-22 | Automatic detection method and device of wall thickness of perforating bullet energy concentrating cover |
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| CN101539401A CN101539401A (en) | 2009-09-23 |
| CN101539401B true CN101539401B (en) | 2010-07-28 |
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| CN2009100113028A Expired - Fee Related CN101539401B (en) | 2009-04-22 | 2009-04-22 | Automatic detection method and device of wall thickness of perforating bullet energy concentrating cover |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102493800B (en) * | 2011-12-02 | 2015-04-08 | 北京理工大学 | Euler obtaining method for perforating charge performance parameter |
| CN103363915B (en) * | 2013-07-04 | 2015-09-23 | 西安航天动力机械厂 | A kind of wall thickness monitoring device of Forming of backward spinning cylinder and monitoring method |
| CN110823108B (en) * | 2019-11-08 | 2022-07-05 | 中国石油天然气集团有限公司 | Device for detecting wall thickness and wall thickness difference of shaped charge liner |
| CN110823109B (en) * | 2019-11-08 | 2022-05-06 | 中国石油天然气集团有限公司 | Detection method based on liner wall thickness and wall thickness difference detection device |
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Granted publication date: 20100728 Termination date: 20130422 |