CN111076757A - An indexing device for 3D scanning of living organisms - Google Patents

An indexing device for 3D scanning of living organisms Download PDF

Info

Publication number
CN111076757A
CN111076757A CN201910980980.9A CN201910980980A CN111076757A CN 111076757 A CN111076757 A CN 111076757A CN 201910980980 A CN201910980980 A CN 201910980980A CN 111076757 A CN111076757 A CN 111076757A
Authority
CN
China
Prior art keywords
indexing
plate
scanning
base
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910980980.9A
Other languages
Chinese (zh)
Inventor
周宏根
崔杰
田桂中
冯晓明
刘晨庆
朱烨圣
贾长峰
范东亮
张耀升
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu University of Science and Technology
Original Assignee
Jiangsu University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu University of Science and Technology filed Critical Jiangsu University of Science and Technology
Priority to CN201910980980.9A priority Critical patent/CN111076757A/en
Publication of CN111076757A publication Critical patent/CN111076757A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D13/00—Component parts of indicators for measuring arrangements not specially adapted for a specific variable
    • G01D13/02—Scales; Dials
    • G01D13/12—Graduation
    • 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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

The invention discloses a three-dimensional scanning dividing device for a living body, which comprises a dividing lead screw shaft, a cylindrical roller bearing, an dividing disc, a supporting and adjusting device, an angle limiting device, a height adjusting device, a base supporting rod and a base. The device can carry out the stable support to the complicated curved surface of organism when treating the scanning organism and shoot the scanning, raises simultaneously and treats the scanning organism, makes the determinand carry out the rotation of specific angle and do not touch and treat the scanning organism, does not produce the damage to treating the scanning organism surface, reduces the influence of external condition to scanning object position among the experimentation, makes the three-dimensional scanning data that obtain more complete.

Description

Indexing means of three-dimensional scanning for organism
Technical Field
The present invention relates to an index device, and more particularly, to an index device for three-dimensional scanning of a living body.
Background
The structural surface of an organism prototype is usually complex, an accurate three-dimensional model is difficult to establish through conventional measurement and modeling, and a reverse engineering technology is needed to reconstruct the organism model. The method is used for obtaining point cloud data on a curved surface by three-dimensional scanning of an organism, and is the first step of reverse engineering. Common three-dimensional scanning devices mainly include a handheld three-dimensional scanner and a photographing three-dimensional scanner. The photographing type three-dimensional scanner adopts white light raster scanning to project white light on a measured object, two cameras with included angles are used for synchronously taking images of the object, then the obtained images are subjected to calculation such as decoding and phase operation, and the three-dimensional coordinates of each pixel point of the object are obtained. The scanning mode has the advantages of high precision, long service life, high speed and the like. Because the surface of the living body has small physical characteristics, a photographing type three-dimensional scanner with high precision is selected for scanning. However, the photographing type three-dimensional scanner needs to calibrate a scanned object, has high requirements on a scanning environment, does not allow the scanned object and the surrounding environment to vibrate, needs to change a plurality of angles in the scanning process, scans by changing the position, the height and the shooting angle of the three-dimensional scanner in the conventional scanning method, and is complex and difficult to operate. However, if the object is directly and rotationally scanned, the calibration of the biological surface is difficult, the difficulty in splicing the subsequent data is increased, and meanwhile, the biological surface is easy to damage, so that the shape of the surface of the biological body is changed, and the scanning precision is greatly influenced. In addition, because the surface shape of the organism is specific, the organism can not be stably placed when the organism is placed on the workbench, and the bottom of the organism is contacted with the workbench, so that the data of the bottom of the organism is incomplete.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an indexing device for three-dimensional scanning of a biological body, which can rotate and lift the biological body at a specific angle under the condition of not touching the biological body to be scanned, so that the calibration of the biological surface is accurate, the obtained data is complete, and the later data splicing is convenient.
The technical scheme is as follows: the invention relates to a three-dimensional scanning dividing device for a living body, which comprises a dividing lead screw shaft, a cylindrical roller bearing, a dividing disc, a supporting and adjusting device, an angle limiting device, a height adjusting device, a base supporting rod and a base.
Wherein, the arrangement of adjusting strutting arrangement on the graduated disk is that the double circle hexagonal is arranged, and the angle staggers 30, can stably support the organism of treating the scanning.
Wherein, adjust strutting arrangement including adjusting back shaft, hexagon nut and insert ball bearing, adjust back shaft and insert ball bearing base hole system interference fit, with hexagon nut screw-thread fit, connect on the graduated disk, insert ball bearing can treat the scanning organism curved surface and carry out the precision and laminate, can make and treat that the scanning organism is more stable must place on the graduated disk.
The height adjusting device comprises a baffle plate, a rotating handle, a cylindrical roller bearing, a worm wheel, a side plate and a support plate, wherein the baffle plate is connected with the support plate in an interference fit manner; the worm is fixed on the side plate through a cylindrical roller bearing, the cylindrical roller bearing is in interference fit with the worm base hole, and the cylindrical roller bearing is in transition fit with the side plate base shaft; the rotary handle is connected with the worm, and the rotary handle and the worm are in interference fit with each other through a base shaft; the side plate and the worm wheel are connected with the supporting plate; the worm wheel is matched with the indexing screw shaft through threads; the backup pad is connected on the base bracing piece, and this height adjusting device can realize treating the adjustment of scanning organism level, and the supplementary scanning shooting process assists focusing of three-dimensional scanner.
The angle limiting device comprises a rotating pin, a reset spring, a reset pin, a limiting hook and a dividing limiting disc, wherein the reset pin and the limiting hook are positioned on the dividing limiting disc, limiting columns matched with the limiting hook are uniformly distributed below the dividing disc, the limiting hook is connected to the dividing limiting disc through the rotating pin, one end of the reset spring is fixedly connected to the dividing limiting disc, the other end of the reset spring is connected to the limiting hook, rotation of a specific angle can be performed, multi-angle shooting of three-dimensional scanning is facilitated, and data splicing in the later period is facilitated; wherein, the return spring can also be replaced by a torque spring.
The use method of the dividing device for three-dimensional scanning of the living body comprises the following steps:
(1) the organism to be scanned is placed on the index plate (4), and the support adjusting device is adjusted to enable the organism to be scanned to be stably supported;
(2) the rotary dividing disc (4) adjusts the shooting angle;
(3) the height adjusting device (8) is used for adjusting the horizontal height to assist the focusing of the three-dimensional scanner;
(4) and (3) shooting the organism to be scanned, returning to the step (2) to continue shooting the organism to be scanned after shooting is finished until the organism to be scanned is shot by 360 degrees.
Has the advantages that: 1. when the biological body to be scanned is shot and scanned, the object to be detected can rotate at a specific angle without touching the biological body to be scanned, and the surface of the biological body to be scanned is not damaged; 2. the complex curved surface of the organism can be stably supported, and the influence of external conditions on the position of the scanned object in the experimental process is reduced; 3. the organism to be scanned can be lifted, complete three-dimensional scanning data can be obtained, and later-stage data splicing is facilitated.
Drawings
FIG. 1 is a front elevational view, in full section, of the present invention;
FIG. 2 is a top view of the indexing disk;
fig. 3 is a bottom view of the indexing disk;
FIG. 4 is a cross-sectional view of the height adjustment device;
fig. 5 is a schematic structural view of the rotation limiting device.
Detailed Description
As shown in fig. 1 and 2, an index device for three-dimensional scanning of a living body includes: the indexing screw shaft 1, the cylindrical roller bearing 2, the dividing disc 4, the supporting and adjusting device, the angle limiting device 7, the height adjusting device 8, the base supporting rod 9 and the base 10, wherein the dividing disc 4 is arranged on the indexing screw shaft 1 through the cylindrical roller bearing 2, the indexing screw shaft 1 is movably connected with the height adjusting device 8, the height adjusting device 8 is fixedly connected to the base 10 through the base supporting rod 9, the supporting and adjusting device is positioned on the dividing disc 4, the adjusting and supporting devices on the dividing disc 4 are arranged in a double-ring hexagonal arrangement mode, the angles are staggered by 30 degrees, the adjusting and supporting device comprises an adjusting supporting shaft 6, a hexagonal nut 5 and an outer spherical ball bearing 3, the adjusting supporting shaft 6 is in interference fit with a base hole of the outer spherical ball bearing 3, through screw-thread fit with the hexagonal nut 5, the outer spherical surface ball bearing 3 is precisely attached to the biological curved surface, so that the biological body to be scanned is stably supported.
As shown in fig. 1 and 4, the height adjusting device 8 includes a baffle plate 11, a rotating handle 12, a cylindrical roller bearing 13, a worm 14, a worm wheel 15, a side plate 16, and a support plate 17, wherein the baffle plate 11 is connected with the support plate 17, and the two are in interference fit; the worm 14 is fixed on the side plate 16 through a cylindrical roller bearing 13, the cylindrical roller bearing 13 is in interference fit with a base hole of the worm 14, and the cylindrical roller bearing 13 is in transition fit with a base shaft of the side plate 16; the rotary handle 12 is connected with the worm 14, and the rotary handle and the worm are in interference fit with each other through a base shaft; the side plate 16, the worm wheel 15 and the support plate 17 are mutually connected; the worm wheel 15 is matched with the indexing screw shaft 1 through threads; the support plate 17 is attached to the base support rod 9.
As shown in fig. 3 and 5, the angle limiting device 7 comprises a rotating pin 18, a reset spring 19, a reset pin 20, a limiting hook 21 and an indexing limiting disc 22, wherein the reset pin 20 and the limiting hook 21 are positioned on the indexing limiting disc 22, 6 limiting columns matched with the limiting hook 21 are arranged below the indexing disc 4, the spacing intervals between every two limiting columns are 60 degrees, the limiting hook 21 is connected to the indexing limiting disc 22 through the rotating pin 18, one end of the reset spring 19 is fixedly connected to the indexing limiting disc 22, and the other end of the reset spring is connected to the limiting hook 21.
The method comprises the following steps:
(1) firstly, placing a processed organism to be scanned on an index plate 4, rotating a nut 5, and adjusting the height of an adjusting support shaft 6 to ensure that an outer spherical ball bearing 3 is precisely attached to the curved surface of the organism to be scanned, and an unused adjusting support device is retracted into the index plate 4 to realize the stable support of the organism to be scanned;
(2) secondly, the indexing plate 4 is rotated to adjust the shooting angle, when the indexing plate 4 is rotated, the limiting hook 21 is pushed to rotate around the rotating shaft 18, the limiting upright post structure passes through the limiting hook 21, the reset spring 19 applies force to the limiting hook 21 to enable the limiting hook 21 to return to the initial position, and the reset pin 20 blocks the limiting hook 21 to avoid reset deviation caused by inertia of the limiting hook 21;
(3) thirdly, adjusting the horizontal height by the height adjusting device 8, driving the worm 14 by rotating the handle 12, driving the worm wheel 15 to rotate by the worm 14, designing an inner thread in an inner hole of the worm wheel 15, and realizing the horizontal height movement by the worm wheel 15 and the indexing screw shaft 1 through thread matching to assist the focusing of the three-dimensional scanner;
(4) and (3) shooting the organism to be scanned, and returning to the step (2) to adjust the shooting angle to continue shooting until the organism to be scanned finishes shooting at 360 degrees after shooting.

Claims (6)

1.一种生物体用三维扫描的分度装置，其特征在于，包括：分度丝杠轴(1)、圆柱滚子轴承(2)、分度盘(4)、支撑调节装置、角度限位装置(7)、高度调节装置(8)、底座支撑杆(9)、底座(10)，所述分度盘(4)通过圆柱滚子轴承(2)安装于分度丝杠轴(1)上，所述分度丝杠轴(1)与高度调节装置(8)活动连接，所述高度调节装置(8)通过底座支撑杆(9)固连到底座(10)上，所述支撑调节装置位于分度盘(4)上。1. An indexing device for three-dimensional scanning of a living body, characterized in that it comprises: an indexing screw shaft (1), a cylindrical roller bearing (2), an indexing plate (4), a support adjustment device, an angle limiter Positioning device (7), height adjusting device (8), base support rod (9), base (10), the indexing plate (4) is mounted on the indexing screw shaft (1) through the cylindrical roller bearing (2) ), the indexing screw shaft (1) is movably connected with the height adjustment device (8), and the height adjustment device (8) is fixedly connected to the base (10) through the base support rod (9), and the support The adjustment device is located on the indexing plate (4). 2.根据权利要求1所述的生物体用三维扫描的分度装置，其特征在于，所述分度盘(4)上的调节支撑装置的排布为双圈六角排布，角度错开30°。2 . The indexing device for three-dimensional scanning of living organisms according to claim 1 , wherein the arrangement of the adjusting support devices on the indexing plate (4) is a double-circle hexagonal arrangement, and the angle is staggered by 30°. 3 . . 3.根据权利要求1或2所述的生物体用三维扫描的分度装置，其特征在于，所述调节支撑装置包括调节支撑轴(6)、六角螺母(5)和外球面球轴承(3)，所述调节支撑轴(6)与外球面球轴承(3)基孔制过盈配合，与六角螺母(5)通过螺纹配合。3. The indexing device for three-dimensional scanning of living body according to claim 1 or 2, characterized in that, the adjustment support device comprises an adjustment support shaft (6), a hexagonal nut (5) and an outer spherical ball bearing (3) ), the adjusting support shaft (6) is in interference fit with the base hole of the outer spherical ball bearing (3), and is in threaded fit with the hexagonal nut (5). 4.根据权利要求1所述的生物体用三维扫描的分度装置，其特征在于，所述高度调节装置(8)包括挡板(11)、旋转把手(12)、圆柱滚子轴承(13)、蜗杆(14)、蜗轮(15)、侧板(16)、支撑板(17)，所述挡板(11)与支撑板(17)连接，两者为过盈配合；所述蜗杆(14)通过圆柱滚子轴承(13)固定在侧板(16)上，圆柱滚子轴承(13)与蜗杆(14)基孔制过盈配合，圆柱滚子轴承(13)与侧板(16)基轴制过渡配合；所述旋转把手(12)与蜗杆(14)连接，两者为基轴制过盈配合；所述侧板(16)、蜗轮(15)与支撑板(17)相互连接；所述蜗轮(15)与分度丝杠轴(1)通过螺纹配合；所述支撑板(17)连接在底座支撑杆(9)上。4. The indexing device for 3D scanning of living body according to claim 1, wherein the height adjustment device (8) comprises a baffle plate (11), a rotating handle (12), a cylindrical roller bearing (13) ), worm (14), worm wheel (15), side plate (16), support plate (17), the baffle plate (11) is connected with the support plate (17), and the two are interference fit; the worm (16) 14) The cylindrical roller bearing (13) is fixed on the side plate (16), the cylindrical roller bearing (13) and the worm (14) base hole make an interference fit, the cylindrical roller bearing (13) and the side plate (16) ) base shaft transition fit; the rotary handle (12) is connected with the worm (14), and the two are base shaft interference fit; the side plate (16), the worm gear (15) and the support plate (17) are mutually connection; the worm wheel (15) is matched with the indexing screw shaft (1) through threads; the support plate (17) is connected to the base support rod (9). 5.根据权利要求1所述的生物体用三维扫描的分度装置，其特征在于，所述角度限位装置(7)包括旋转销(18)、复位弹簧(19)、复位销(20)、限位钩(21)、分度限位盘(22)，所述复位销(20)和限位钩(21)位于分度限位盘(22)上，分度盘(4)下均布有与限位钩(21)配合的限位柱，所述限位钩(21)通过旋转销(18)连接在分度限位盘(22)上，所述复位弹簧(19)一端固连在分度限位盘(22)上，另一端连接在限位钩(21)上。5 . The indexing device for 3D scanning of living body according to claim 1 , wherein the angle limiting device ( 7 ) comprises a rotation pin ( 18 ), a return spring ( 19 ), and a return pin ( 20 ). 6 . , limit hook (21), index limit plate (22), the reset pin (20) and limit hook (21) are located on the index limit plate (22), and the lower part of the index plate (4) is A limit post matched with a limit hook (21) is arranged, the limit hook (21) is connected to the index limit plate (22) through a rotating pin (18), and one end of the return spring (19) is fixed It is connected to the indexing limit plate (22), and the other end is connected to the limit hook (21). 6.根据权利要求5所述的生物体用三维扫描的分度装置，其特征在于，所述复位弹簧(19)是拉伸弹簧。6 . The indexing device for three-dimensional scanning of living body according to claim 5 , wherein the return spring ( 19 ) is a tension spring. 7 .
CN201910980980.9A 2019-10-16 2019-10-16 An indexing device for 3D scanning of living organisms Pending CN111076757A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910980980.9A CN111076757A (en) 2019-10-16 2019-10-16 An indexing device for 3D scanning of living organisms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910980980.9A CN111076757A (en) 2019-10-16 2019-10-16 An indexing device for 3D scanning of living organisms

Publications (1)

Publication Number Publication Date
CN111076757A true CN111076757A (en) 2020-04-28

Family

ID=70310398

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910980980.9A Pending CN111076757A (en) 2019-10-16 2019-10-16 An indexing device for 3D scanning of living organisms

Country Status (1)

Country Link
CN (1) CN111076757A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104354019A (en) * 2014-11-13 2015-02-18 无锡成诺精密机械有限公司 Worm adjusting device for machine tool
CN105058162A (en) * 2015-08-14 2015-11-18 重庆市双恩农机制造有限公司 Index location mechanism of grass mowing disc of farm machinery
CN206959739U (en) * 2017-06-05 2018-02-02 昆山海域科技有限公司 A kind of 3-D scanning measuring device
US20190086439A1 (en) * 2017-09-21 2019-03-21 Institute Of Geology And Geophysics Chinese Academy Of Sciences Dynamic testing device suitable for drilling tool attitude measurement module
CN208759389U (en) * 2018-08-06 2019-04-19 无锡奥特维科技股份有限公司 A kind of angle limit mechanism and rotating device
CN209162196U (en) * 2018-11-22 2019-07-26 辽宁工业大学 A kind of laser, which melts, covers metallic matrix indexing means

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104354019A (en) * 2014-11-13 2015-02-18 无锡成诺精密机械有限公司 Worm adjusting device for machine tool
CN105058162A (en) * 2015-08-14 2015-11-18 重庆市双恩农机制造有限公司 Index location mechanism of grass mowing disc of farm machinery
CN206959739U (en) * 2017-06-05 2018-02-02 昆山海域科技有限公司 A kind of 3-D scanning measuring device
US20190086439A1 (en) * 2017-09-21 2019-03-21 Institute Of Geology And Geophysics Chinese Academy Of Sciences Dynamic testing device suitable for drilling tool attitude measurement module
CN208759389U (en) * 2018-08-06 2019-04-19 无锡奥特维科技股份有限公司 A kind of angle limit mechanism and rotating device
CN209162196U (en) * 2018-11-22 2019-07-26 辽宁工业大学 A kind of laser, which melts, covers metallic matrix indexing means

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
许志龙等: "复杂曲面反求工程的数据采集与处理", 《机电产品开发与创新》 *

Similar Documents

Publication Publication Date Title
CN100342207C (en) Detector for three-dimensional appearance of micro-member through-hole inner surface and its marking and using method
CN205898083U (en) Measurement device for be used for prism base and connector axiality
CN203859812U (en) Ccd camera adjusting mechanism
CN204729867U (en) A kind of camera mount
CN103800032A (en) Correcting system for correcting geometric position of cone-beam CT system, and correcting method thereof
CN110686595B (en) Laser beam spatial pose calibration method for non-orthogonal axis laser total station
CN206208267U (en) Laser level
CN110645911B (en) A device and method for obtaining a complete 3D profile of an outer surface by rotational scanning
CN103929589B (en) CCD camera adjustment mechanism
CN109373977A (en) Active vision platform for plant phenotype acquisition and plant phenotype acquisition method
CN203703540U (en) High-precision quick-response triaxial pan-tilt
CN105877771A (en) Movable computer tomography device
CN203749432U (en) Geometric position correction system for cone beam CT system
CN105352591A (en) Vibration characteristic test method of spinning spindle
CN111076757A (en) An indexing device for 3D scanning of living organisms
CN207600445U (en) A kind of quick level adjusting device of spirit level
CN206413091U (en) A kind of panoramic camera data acquisition and caliberating device
CN205458750U (en) Portable computer tomography device
CN113357512A (en) Object multi-angle image automatic acquisition device and system for three-dimensional reconstruction
CN203763103U (en) Geometric correction device of detector of cone beam CT (computed Tomography) system
CN110131538A (en) A multi-dimensional adjustment device for a line-scan camera
CN204403694U (en) Miniature instrument height, position adjusting mechanism
CN208872292U (en) A kind of hydro-structure body settlement detecting device
CN105783748A (en) Method of detecting diameter dimension tolerances of two end surfaces of miniature tapered roller
CN106501912A (en) A kind of multi-faceted eyeglass automatic regulating apparatus

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200428