CN217483473U - Data acquisition platform suitable for three-dimensional image acquisition usefulness - Google Patents

Abstract

The utility model discloses a data acquisition platform suitable for three-dimensional image acquisition usefulness, relate to image data acquisition technical field, solve the technical problem that the drive unit of existing equipment and rotary disk are not adapted, it includes the mounting panel, be provided with the carousel on the mounting panel, be provided with at least three big rubber-coated wheel groups that are used for driving the horizontal rotation of carousel on the mounting panel, big rubber-coated wheel group all includes coaxial pivoted from the driving wheel and action wheel, the mounting panel bottom is provided with the first motor that the drive driving wheel rotates and uses, and be provided with the spring stop gear that the radial centre gripping of drive big rubber-coated wheel group along the carousel used in the bottom of mounting panel; on a plurality of big rubber-covered wheel groups distributed along the circumference of the carousel array mounting panel, driven wheel driven under the drive of action wheel drives the carousel rotation, and its spring stop gear impels from the side of driving wheel tightly pasting at the carousel, has reduced the clearance between driven wheel and the carousel for from driving wheel drive the carousel rotation better.

Description

Data acquisition platform suitable for three-dimensional image acquisition usefulness

Technical Field

The utility model relates to an image data gathers technical field, more specifically relates to a data acquisition platform technical field who is applicable to three-dimensional image acquisition usefulness.

Background

The digital recording of the cultural relics has very important significance, in the aspect of cultural relic protection, the original appearances of a large number of cultural relics which are corroded and oxidized can be kept on a computer as far as possible at the present stage, and in the aspects of appreciation and research, scholars, enthusiasts and collectives can conveniently and quickly view and research the cultural relics at any place and at any time through a network and cannot damage the cultural relics, so that a subsequent common display mode is displayed by three-dimensional modeling, and a large amount of image data collection is needed at the early stage.

By way of search, in one publication, the following: in the "CN 113218324A" patent document: the movable cultural relic time domain data acquisition platform comprises a rack, a storage platform, image acquisition equipment and a control system, wherein the storage platform is arranged on the rack, the storage platform is used for bearing an object to be detected and driving the object to be detected to rotate, the image acquisition equipment is used for acquiring images of all angles of the object to be detected, and the control system is respectively connected with the storage platform and the image acquisition equipment;

the first method is as follows: the gear is driven in a matching way, the rotating disc is clamped and placed in the outer ring of the gear, the first motor drives the outer ring of the gear to rotate and drives the rotating disc to rotate, and therefore cultural relics on the rotating disc can rotate 360 degrees on a horizontal plane;

the second method comprises the following steps: the belt is matched for driving, the object placing platform further comprises a first motor, a guide wheel, a synchronizing wheel and a belt, wherein a bipolar speed reducer is also arranged between the first motor and the upper synchronizing wheel, the belt is tensioned and sleeved on an output shaft of the speed reducer and the guide wheel, the belt is tightly attached to the edge of the rotating disk, the first motor drives the belt to move, the rotating disk is driven to rotate 360 degrees on the horizontal plane, and the cultural relic on the rotating disk can be acquired at the same horizontal plane and at any angle.

However, the device drives the rotating disc to have the defect that the first mode adopts a clamping mode to fix the rotating disc on the outer ring of the gear in a rotating way, so that the outer ring with the original size cannot be adapted to the rotating disc with the same size and the rotating disc with the corresponding specification which needs to be replaced according to the size of the object to be collected and the collection standard; and the second way: make the carousel rotate through the frictional force of belt and carousel, if the belt is not hard up then can influence the rotation of carousel, cause follow-up image acquisition equipment data collection to receive the influence, the belt elasticity is all controlled to the two, so article horizontal rotation's on the two drive carousels mode is all not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the technical problem, the utility model provides a data acquisition platform suitable for three-dimensional image acquisition uses.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a data acquisition platform suitable for three-dimensional image acquisition comprises a rack, wherein a placement platform is arranged on the rack, the placement platform comprises a bracket, the bracket is connected with the rack, an installation plate is arranged on the bracket, a turntable is arranged at the top of the installation plate, at least three large rubber coating wheel groups for driving the turntable to rotate horizontally are arranged on the installation plate, and all the large rubber coating wheel groups are distributed along the circumferential circumference array of the turntable; a spring limiting mechanism for driving the large rubber coating wheel set to clamp along the radial direction of the turntable is arranged at the bottom of the mounting plate and is arranged at the bottom of the mounting plate in a rotating mode; wherein, bale of rubber wheel group all includes from driving wheel and action wheel, be located the mounting panel top from the driving wheel, the action wheel is located the mounting panel top, and passes the reconnection on the action wheel after the mounting panel from the driving wheel through the connecting rod, wherein, the side butt from the driving wheel is on the carousel side, the mounting panel bottom is provided with the first motor that the drive initiative wheel rotated the usefulness, installs the synchronizing wheel in the pivot of first motor and passes through the hold-in range with the action wheel and be connected.

The utility model discloses a rack, including frame and mounting bracket, the universal wheel is all installed to the bottom of frame and mounting bracket the frame side is provided with the location lead screw for the interval between regulation frame and the mounting bracket, and the location lead screw passes frame lateral wall after the mounting bracket is connected, it has the screw hole with location lead screw thread fit usefulness to open on the frame lateral wall the stabilizer blade is all installed to the bottom of frame and mounting bracket.

Further, be provided with the parcel rubber tyer group that is used for restricting the carousel displacement from top to bottom on the mounting panel, and the parcel rubber tyer group is at least three along carousel circumference equidistant distribution, and every little rubber tyer group all includes the first leading wheel that is located the carousel below and the second leading wheel that is located the carousel top, and first leading wheel and second leading wheel are all installed on the mounting panel.

Further, it is provided with spring stop gear to wrap rubber tyer group side greatly, and spring stop gear is provided with first slider including installing two locating pieces in the mounting panel bottom between two locating pieces, still installs the guide bar that is used for first slider to follow the radial slip usefulness of carousel between the locating piece, and the guide bar both ends are connected respectively on the locating piece, and guide bar and first slider sliding connection the cover is equipped with the spring on the guide bar, the one end and the block connection of spring, the other end and the first slider of spring are connected, have the through-hole that supplies the connecting rod to alternate on the first slider, the one end action wheel fixed connection after the connecting rod passed its through-hole, the other end of connecting rod pass behind the mounting panel again with the mounting panel top from driving wheel fixed connection.

Furthermore, the both sides relative in the frame are provided with the elevating system who drives the vertical altitude mixture control of platform usefulness respectively, elevating system includes two vertical first guide rails of installing in the bracket both sides, are provided with the second slider on two first guide rails respectively, and two second sliders all fix in the frame, second slider and first guide rail sliding connection have the second motor of driving the platform usefulness of going up and down on the frame, install first lead screw in the pivot of second motor, be provided with between two first guide rails with first lead screw thread fit's nut seat, nut seat and bracket connection, and first lead screw alternates on the nut seat.

Furthermore, the side face of the rack is provided with a mounting rack which is C-shaped, the mounting rack is provided with a circular arc-shaped second guide rail, the second guide rail is provided with at least one group of image acquisition units, each group of image acquisition units is connected with the second guide rail in a sliding manner, two adjacent image acquisition units are connected through a connecting plate, and the mounting rack is further provided with a driving mechanism for driving the image acquisition units to slide and move along the circumference of the second guide rail.

Further, actuating mechanism includes that it has the arc to lead to the groove to open on the mounting bracket, the arc leads to the inslot interlude and has the connecting axle, and the one end fixed connection of connecting axle is at the back of image acquisition unit, and the one end of its connecting axle is provided with the stopper, and the side of stopper is provided with installs the third slider, third slider and stopper fixed connection, and the connecting axle inserts and opens at the stopper and have the inslot sliding fit, third slider bottom is provided with the third guide rail, the third guide rail is fixed on the mounting bracket, at third slider and third guide rail sliding fit, install the second lead screw that the drive stopper moved and use on the mounting bracket, both ends pass through the bearing frame and fix on the mounting bracket about the second lead screw, install the third motor that the drive lead screw rotated and use on the mounting bracket, the third motor is connected with the mounting bracket.

Further, the image acquisition unit includes image collector, the installation frame is installed to the image collector bottom, and the side is provided with the radiating aluminum alloy fin that is used for image collector on the installation frame, aluminum alloy fin fixes on the installation frame, the sharp module is installed to the installation frame bottom, the bottom four corners department of sharp module install respectively with second guide rail complex pulley, the spout joint that has of pulley is on the second guide rail, and the pulley rotates with sharp module to be connected.

Further, the straight line module includes the bottom plate, installs servo motor on the bottom plate, install the third lead screw in servo motor's the pivot, the one end and the pivot of third lead screw are connected, and the backup pad is installed to the third lead screw other end, the backup pad passes through the bearing with the lead screw to be connected, and the backup pad is connected with the bottom plate, is provided with the fourth slider between servo motor and backup pad, fourth slider and third lead screw threaded connection, and fourth slider top and installation frame connection.

Furthermore, a control system is installed on the rack and is in signal connection with the first motor, the second motor, the third motor and the servo motor respectively.

The beneficial effects of the utility model are as follows:

1. in order to solve and place the article of waiting to gather on the carousel and carrying out data extraction, need treat the article of gathering and rotate, so that follow-up image acquisition equipment is used for carrying out image acquisition to each angle of the object that awaits measuring, but consequently design big rubber-coated wheel group of horizontal rotation's carousel replaces artifical rotation, a plurality of big rubber-coated wheel group are along on the circumference array distribution mounting panel of carousel, a plurality ofly be hug closely the state from the equal butt of driving wheel between the carousel, from the driving wheel under the drive of action wheel, the carousel is around the central rotation of self, then the article of waiting to gather on the carousel is 360 degrees rotations along its circumference under the horizontality, it is more convenient for artifical rotation, simultaneously along a plurality of follow contact of driving wheel increase and carousel of carousel circumference distribution, it is more stable to make its rotation that drives the carousel.

2. In order to support the rotary table, the arranged first guide wheel and the second guide wheel are respectively positioned on the upper portion and the lower portion of the rotary table, and meanwhile the first guide wheel and the second guide wheel are rotatably installed on the installation plate, so that friction between the rotary table and the first guide wheel and between the rotary table and the second guide wheel can be reduced while the rotary table rotates.

3. In order to enable a plurality of driven wheels of the large rubber-coated wheel set to be abutted against the side face of the rotary disc better, each driven wheel is provided with a spring limiting mechanism, the spring limiting mechanism enables the driven wheel to be tightly attached to the side face of the rotary disc, and the spring limiting mechanism reduces the gap between the driven wheel and the rotary disc to the greatest extent so that the driven wheel drives the rotary disc to rotate better.

4. In order to solve the work efficiency of the image acquisition units of the image acquisition module part, a plurality of image acquisition units are designed, in order to extract data of articles to be acquired of the image acquisition units on a turntable, the shooting positions of a plurality of image acquisition units on a vertical plane are adjusted to be changed simultaneously, the shooting circumferential angle change of the images is changed, a second guide rail for the image acquisition units to slide along the circumference of the mounting rack is installed on the mounting rack, the rotation of the angle range of an acquired object on the vertical plane by all the image acquisition units together within 180 degrees is realized, and in the rotating process, the image acquisition units in the image acquisition units acquire the specified type image data characteristics of the object to be acquired.

5. In order to conveniently rotate a plurality of image acquisition units synchronously, a driving mechanism is arranged to drive the image acquisition units to slide on the second guide rail, the position adjustment of the image acquisition units is realized, the image acquisition units are connected through a connecting plate, an arc-shaped through groove is formed in the mounting frame, the follow-up arc-shaped through groove is restricted to the motion trail of the image acquisition units and moves, the second guide rail is radially limited when bearing the displacement of the image acquisition units, and the image acquisition units can only do circular motion on the second guide rail.

6. Two pairs of pulleys are respectively installed on each image acquisition unit, the pulleys of each pair are respectively clamped on two sides of the second guide rail, the pulleys at the bottom rotate along with the image acquisition units when the image acquisition units move, and the rolling friction abrasion of the pulleys and the second guide rail is far smaller than the sliding friction abrasion of the pulleys.

7. The device is provided with a control system for controlling a plurality of corresponding motors respectively, the horizontal rotation of a subsequent control turntable, the lifting height of a control storage platform, the circumferential rotation angle of an image acquisition unit on an installation rack around an article and the distance adjustment between the image acquisition unit and the article on the turntable are realized, for the corresponding position change of the articles with different sizes, the subsequent data acquisition equipment automatically operates to acquire the relative angles of the components and the object to be acquired according to preset parameters, and images of a plurality of focal planes are acquired at each angle.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the left structure of the platform of the present invention;

fig. 3 is a schematic view of the right structure of the platform of the present invention;

fig. 4 is a schematic top view of fig. 2 in the present invention;

fig. 5 is a schematic bottom view of fig. 2 according to the present invention;

fig. 6 is an enlarged schematic structural diagram of the utility model at a3 in fig. 5;

fig. 7 is an enlarged schematic structural diagram at a2 in fig. 2 according to the present invention;

fig. 8 is a schematic structural view of the lifting mechanism of the present invention;

fig. 9 is a schematic plan view of the back of the image capturing unit according to the present invention;

fig. 10 is a schematic view of a back side three-dimensional structure of the image capturing unit of the present invention;

fig. 11 is a schematic view of a driving mechanism in the image capturing unit of the present invention;

fig. 12 is an enlarged schematic structural view of a1 of fig. 1 according to the present invention.

Reference numerals: 1-rack, 2-object placing platform, 3-bracket, 4-turntable, 5-mounting plate, 6-driven wheel, 7-driving wheel, 8-first motor, 9-synchronous belt, 10-small rubber-coated wheel set, 11-second guide wheel, 12-first guide wheel, 13-spring limiting mechanism, 14-positioning block, 15-first slide block, 16-guide rod, 17-spring, 18-lifting mechanism, 19-first guide rail, 20-second slide block, 21-second motor, 22-nut seat, 23-mounting frame, 24-second guide rail, 25-image acquisition unit, 26-connecting plate, 27-driving mechanism, 28-arc through groove, 29-limiting block, 30-third slide block, 31-a third guide rail, 32-a second lead screw, 33-a third motor, 34-an image collector, 35-a mounting frame, 36-an aluminum alloy radiating fin, 37-a linear module, 38-a pulley, 39-a bottom plate, 40-a servo motor, 41-a third lead screw, 42-a supporting plate, 43-a fourth sliding block, 44-a control system, 45-a positioning lead screw, 46-a universal wheel and 47-a supporting leg.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1 to 4, the embodiment provides a data acquisition platform suitable for three-dimensional image acquisition, including a rack 1, where a platform 2 is installed on the rack 1, the platform 2 includes a bracket 3, the bracket 3 is connected to the rack 1, an installation plate 5 is installed on the bracket 3, a turntable 4 is arranged on the top of the installation plate 5, at least three large rubber-covered wheel sets for driving the turntable 4 to horizontally rotate are arranged on the installation plate 5, and all the large rubber-covered wheel sets are distributed in an array along the circumferential direction of the turntable 4; every big rubber coating wheelset all includes from driving wheel 6 and action wheel 7, follow driving wheel 6 and be located mounting panel 5 top, action wheel 7 is located mounting panel 5 top, and passes the reconnection on action wheel 7 after the mounting panel from driving wheel 6 through the connecting rod, wherein, the side butt from driving wheel 6 is on 4 sides of carousel, 5 bottoms of mounting panel are provided with the first motor 8 that drive action wheel 7 changes usefulness, install the synchronizing wheel in first motor 8's the pivot and pass through the hold-in range with action wheel 7 and be connected.

In the structure, in order to solve the problem that the object to be acquired placed on the turntable 4 needs to rotate in order to extract data, so that the subsequent image acquisition equipment can acquire image data of the object to be acquired at various angles, and therefore, a large rubber covered wheel set of the turntable 4 capable of horizontally rotating is designed to replace manual rotation; wherein, and the specific working method is: a plurality of large rubber-covered wheel groups are arranged on the mounting plate 5 and distributed along the circumferential circumference of the turntable 4 in an array manner, the side surfaces of a plurality of driven wheels 6 in the large rubber-covered wheel groups are all abutted against the side surface of the turntable 4, the driven wheel 6 and the driving wheel 7 coaxially rotate on the mounting plate 5, the driven wheel 6 can be driven to rotate by subsequently driving the driving wheel 7 to rotate, the bottom of the mounting plate 5 is provided with a first motor 8 for driving the driving wheel 7 to rotate, a synchronizing wheel is arranged on a rotating shaft of the first motor 8 and is connected with the driving wheel 7 through a synchronizing belt, therefore, the first motor finally drives the driving wheel 7 and the driven wheel 6 to synchronously rotate, and finally the driven wheels 6 which are in a circular shaft and surround the side surface of the rotating disc 4 synchronously rotate, the driven wheels 6 are abutted between the turntables 4 and drive the turntables 4 to rotate in a clinging manner, so that the articles to be collected on the turntables 4 rotate in a horizontal state in 360 degrees along the circumferential direction of the articles; with this kind of mode, it is more convenient for artifical the rotation, simultaneously along a plurality of contact from 6 increases of driving wheel and carousel 4 of 4 circumference distributions of carousel, make its rotation that drives carousel 4 more stable, simultaneously, at the rubber coating layer that sets up of driving wheel 6 surface of bale broken rubber wheel greatly, this rubber coating layer is used for the increase from frictional force between the 6 carousels of driving wheel.

Further, be provided with the mounting bracket 23 that is C-shaped in frame 1 side, universal wheel 46 is all installed to the bottom at frame 1 and mounting bracket 23, be provided with location lead screw 45 for the interval between regulation frame 1 and the mounting bracket 23 in frame 1 side, location lead screw 45 passes frame 1 lateral wall rear mounting bracket 23 and connects, it has the screw hole of using with location lead screw 45 screw-thread fit to open on the frame 1 lateral wall, stabilizer blade 47 is all installed to the bottom at frame 1 and mounting bracket 23, be used for adjusting its interval through location lead screw 45 between frame 1 and the mounting bracket 23, and the location after the adjustment, then support on ground through stabilizer blade 47, in order to make the in-process of regulation remove the two consequently all install universal wheel 46 in frame 1 and mounting bracket 23 bottom, the distance of regulation is controllable, then the installation convenience of lifting means.

Example 2:

the present embodiment is developed based on the previous embodiment, as shown in fig. 2 and 7, small rubber covered wheel sets 10 for limiting the upper and lower direction guiding of the rotary table 4 are arranged on the mounting plate 5, and the small rubber covered wheel sets 10 are distributed at least three equal intervals along the circumferential direction of the rotary table 4, each small rubber covered wheel set 10 includes a first guide wheel 12 located below the rotary table 4 and a second guide wheel 11 located above the rotary table 4, wherein the first guide wheel 12 and the second guide wheel 11 are both mounted on the mounting plate 5; in order to provide support for the rotating disc 4, the arranged first guide wheel 12 and the second guide wheel 11 are used for positioning the rotating disc 4 up and down, and meanwhile, the first guide wheel 12 and the second guide wheel 11 are rotatably arranged on the mounting plate 5, so that the friction between the rotating disc 4 and the first guide wheel 12 and the second guide wheel 11 can be reduced while the rotating disc 4 rotates, the first guide wheel 12 can select a bearing, and in order to meet the space difference between the upper layer and the lower layer of a vertical plane, a bracket can be selected to support the bearing, or the mounting plate 5 is provided with a groove for accommodating the bearing, a counter bore and other arbitrary modes for installation.

As shown in fig. 4-6, a spring limiting mechanism 13 for driving the large rubber-covered wheel set to clamp a piece of rubber-covered wheel along the radial direction of the rotating disc 4 is arranged at the bottom of the mounting plate 5; its spring stop gear 13 is provided with first slider 15 including installing two locating pieces 14 in mounting panel 5 bottom between two locating pieces 14, still installs between locating piece 14 to be used for first slider 15 to follow 4 radial gliding guide bars 16 of carousel, and guide bar 16 both ends are connected respectively on locating piece 14, and guide bar 16 and first slider 15 sliding connection the cover is equipped with spring 17 on the guide bar 16, spring 17's one end and locating piece 14 are connected, and spring 17's the other end and first slider 15 are connected, have the through-hole that supplies the connecting rod to alternate on the first slider 15, the connecting rod passes one end action wheel 7 fixed connection behind its through-hole, again after passing mounting panel 5 with the driven wheel 6 fixed connection at mounting panel 5 top again.

In order to enable the plurality of driven wheels 6 of the large rubber covered wheel set to better abut against the side face of the rotary table 4, each driven wheel 6 is provided with a spring limiting mechanism 13, and the spring limiting mechanisms 13 abut against the driven wheels 6 against the side face of the rotary table 4 in the following mode: the first sliding block 15 can slide on the guide rod 16, two ends of the guide rod 16 are respectively supported at the bottom of the mounting plate 5 through two positioning blocks 14, the guide rod 16 is sleeved with a spring 17, the spring 17 pushes the driving wheel 7 and the driven wheel 6 connected with the first sliding block 15 to move together towards the axis of the rotary disc 4, and then the driven wheel 6 is tightly attached to the side surface of the rotary disc 4, so that the arranged spring limiting mechanism 13 enables the driven wheel 6 to be tightly attached to the side surface of the rotary disc 4, and the spring limiting mechanism 13 furthest reduces the gap between the driven wheel 6 and the rotary disc 4, so that the driven wheel 6 can better drive the rotary disc 4 to rotate.

As shown in fig. 8, two opposite sides of the frame 1 are respectively provided with an elevating mechanism 18 for driving the object placing platform 2 to adjust the vertical height, the elevating mechanism 18 includes two first guide rails 19 vertically installed at two sides of the bracket 3, each first guide rail 19 is respectively provided with a second slider 20, the two second sliders 20 are fixed on the frame 1, the second sliders 20 are slidably connected with the first guide rails 19, the frame 1 is provided with a second motor 21 for driving the object placing platform 2 to ascend and descend, a rotating shaft of the second motor 21 is provided with a first lead screw, a nut seat 22 in threaded fit with the first lead screw is arranged between the two first guide rails 19, the nut seat 22 is connected with the bracket 3, and the first lead screw is inserted into the nut seat 22.

A lifting mechanism 18 for adjusting the vertical height is designed for adjusting the height of the turntable 4, a second motor 21 drives a first lead screw to rotate, a nut seat 22 is in threaded fit with the first lead screw, and the storage platform 2 connected with the nut seat 22 is lifted in the vertical direction; meanwhile, in order to ensure that the object placing platform 2 is more stable in the ascending or descending process, the first guide rail 19 and the second slide block 20 are designed to be matched, the first guide rail 19 is installed on the object placing platform 2, the second slide block 20 is installed on the rack 1, and the first guide rail 19 and the second slide block 20 are matched to enable the object placing platform 2 to move in the vertical direction of the rack 1 without deviation.

Example 3:

the embodiment is developed based on the previous embodiment, as shown in fig. 1 and fig. 8 to fig. 11, a C-shaped mounting frame 23 is arranged on a side surface of the rack 1, a circular arc-shaped second guide rail 24 is mounted on the mounting frame 23, at least one group of image acquisition units 25 is arranged on the second guide rail 24, each group of image acquisition units 25 is slidably connected with the second guide rail 24, and two adjacent image acquisition units 25 are connected through a connecting plate 26;

in order to extract data of an article to be acquired on the turntable 4 by ensuring the plurality of image acquisition units 25, and simultaneously adjust the shooting positions of the plurality of image acquisition units 25 to change the shooting angle change, a C-shaped mounting bracket 23 is mounted on the side surface of the rack 1, a second guide rail 24 for sliding the image acquisition units 25 along the circumference of the mounting bracket 23 is mounted on the mounting bracket 23, and the rotation of the plurality of image acquisition units 25 along the second guide rail 24 mounted in the circular arc shape with a preset angle is realized.

As shown in fig. 9-12, a driving mechanism 27 for driving the image capturing unit 25 to slide along the circumference of the second guide rail 24 is further installed on the mounting frame 23, the driving mechanism 27 includes an arc-shaped through groove 28 opened on the mounting frame 23, a connecting shaft is inserted into the arc-shaped through groove 28, one end of the connecting shaft is fixedly connected to the back of the image capturing unit 25, one end of the connecting shaft is provided with a limiting block 29, a side surface of the limiting block 29 is provided with a third slider 30, the third slider 30 is fixedly connected with the limiting block 29, the connecting shaft is inserted into the limiting block 29 and is slidably fitted in the groove, a third guide rail 31 is arranged at the bottom of the third slider 30, the third guide rail 31 is fixed on the mounting frame 23, the third slider 30 is slidably fitted with the third guide rail 31, the mounting frame 23 is installed with a second lead screw 32 for driving the limiting block 29 to move, the upper and lower ends of the second lead screw 32 are fixed on the mounting frame 23 through a bearing seat, a third motor 33 for driving the screw 41 to rotate is attached to the mounting bracket 23, and the third motor 33 is connected to the mounting bracket 23.

Be provided with actuating mechanism 27 and drive image acquisition unit 25 and slide on second guide rail 24, realize image acquisition unit 25's position control, specifically be: third motor 33 drives second lead screw 32 and rotates synchronously, second lead screw 32 and stopper 29 screw-thread fit, under the second lead screw 32 pivoted situation, second lead screw 32 promotes stopper 29 and slides on third guide rail 31, it has arc through groove 28 to open on mounting bracket 23, the back mounted of image acquisition unit 25 has the connecting axle, this connecting axle drives all image acquisition units together and is the arc motion along arc through groove 28, can slide at second lead screw 32 and stopper 29 that connect to the silk as an organic whole, after the recess that stopper 29 had was looked into to this connecting axle, retrain its motion orbit according to the arc groove and remove.

Further, image acquisition unit 25 includes image collector 34, installation frame 35 is installed to image collector 34 bottom, and the side is provided with on installation frame 35 and is used for the radiating aluminum alloy fin 36 of image collector 34, aluminum alloy fin 36 fixes on installation frame 35, straight line module 37 is installed to installation frame 35 bottom, straight line module 37's bottom four corners department install respectively with second guide rail complex pulley 38, pulley 38 have the spout joint on the second guide rail, and pulley 38 rotates with straight line module 37 and is connected.

When the image acquisition unit 25 acquires data of an article mounted on the turntable, the aluminum alloy radiating fins are distributed on the side surface of the image acquisition unit 25, so that the improvement of the heat dissipation of the image acquisition unit is facilitated; secondly, in order to reduce the abrasion of the image capturing unit 25 when the second guide rail slides, the bottom of the image capturing unit 25 is provided with the pulley 38, specifically, each image capturing unit 25 is provided with two pairs of pulleys, the pulleys 38 of each pair are respectively clamped on two sides of the second guide rail, the pulley 38 rotates along with the second guide rail when the image capturing unit 25 moves, and the abrasion of the rolling friction between the pulley 38 and the second guide rail is far less than the abrasion of the sliding friction.

Further, the linear module 37 comprises a bottom plate 39, a servo motor 40 is mounted on the bottom plate 39, a third screw 41 is arranged on a rotating shaft of the servo motor 40, one end of the third screw 41 is connected with the rotating shaft, a support plate 42 is arranged at the other end of the third screw 41, the supporting plate 42 is connected with the screw rod through a bearing, and the supporting plate 42 is connected with the bottom plate 39, a fourth slide block 43 is arranged between the servo motor 40 and the support plate 42, the fourth slide block 43 is in threaded connection with the third lead screw 41, and the top of the fourth slider 43 is connected to the mounting frame 35, in order to further adjust the distance between the image collector 34 and the articles on the turntable, therefore, on the linear module installed at the bottom of the image collector 34, the servo motor 40 drives the third screw 41 to rotate, so that the fourth sliding block 43 screwed with the third screw 41 moves along the central axis of the screw, and then drives the mounting frame 35 and the image collector 34 on the fourth sliding block 43 to move synchronously.

Further, a control system 44 is installed on the machine frame 1, the control system 44 is in signal connection with the first motor 8, the second motor 21, the third motor 33 and the servo motor 40 respectively, and subsequently, for conveniently controlling the horizontal rotation of the turntable, the control system 44 can be operated to control the start and stop of the first motor to be completed, then, in order to control the height of the platform 2 conveniently, the operation control system 44 controls the second motor to start and stop, in order to control the angle of the image capturing unit 25 on the mounting frame 23 around the circumference of the article, the control system 44 can be operated to control the third motor 33 to start or stop, in order to facilitate the adjustment of the distance between the image acquisition unit 25 and the articles on the turntable, the start and stop of the servo motor 40 is controlled by the operation control system 44, wherein the control system 44 is a PLC control cabinet.

Further, the carousel is transparent material, and its carousel can be according to the size of the article of waiting to gather and gather corresponding specification of standard change, is not limited to following article to waiting to gather: the method is applicable to objects needing to be kept with image data, such as cultural relics, artworks, specimens, collections and the like.

For adjusting the relative acquisition angle between a camera and an object to be acquired, acquiring data of each angle of the object, and solving the problem of diffraction limit aperture by a focus stacking method, wherein any aperture can cause diffraction, when the aperture is small to a certain degree, a diffraction effect which seriously influences image quality can be brought, and the smaller the aperture is, the more serious the diffraction effect is, the larger the Ehrlich spot is, the more the quality of the acquired data can be influenced; therefore, the image data of different focal planes at the same angle are collected, the image data of different focal planes are superposed at the later stage, the collected images have no virtual part, each point of the images at each angle is ensured to be clear, nearly one hundred thousand image data of each angle and each direction of an object are subjected to image synthesis and data processing after the collection is finished, three-dimensional regeneration is accurately carried out, accurate copying is realized on the color, the texture and the size precision of the object, and the object 1 can be obtained: 1, the precision can reach the nanometer level, exceeds the resolution limit of human naked eyes, and even dust attached to the surface of an object can be clearly observed and far exceeds the existing 3D scanning technology.

Claims (9)

1. The data acquisition platform suitable for three-dimensional image acquisition is characterized by comprising a rack (1), wherein a storage platform (2) is installed on the rack (1), the storage platform (2) comprises a bracket (3), the bracket (3) is connected with the rack (1), an installation plate (5) is installed on the bracket (3), a turntable (4) is arranged at the top of the installation plate (5), at least three large rubber-coated wheel sets used for driving the turntable (4) to rotate horizontally are arranged on the installation plate (5), and all the large rubber-coated wheel sets are distributed along the circumferential circumference array of the turntable (4);

the side surface of the rack (1) is provided with a C-shaped mounting rack (23), universal wheels (46) are mounted at the bottoms of the rack (1) and the mounting rack (23), a positioning lead screw (45) for adjusting the distance between the rack (1) and the mounting rack (23) is arranged at the side surface of the rack (1), the positioning lead screw (45) penetrates through the side wall of the rack (1) and then the mounting rack (23) is connected, the side wall of the rack (1) is provided with a threaded hole matched with the positioning lead screw (45) in a threaded manner, and support legs (47) are mounted at the bottoms of the rack (1) and the mounting rack (23);

a spring limiting mechanism (13) for driving the large rubber-coated wheel set to clamp along the radial direction of the rotary table (4) is arranged at the bottom of the mounting plate (5), and the spring limiting mechanism (13) is arranged at the bottom of the mounting plate (5) in a rotating mode;

wherein, big rubber-coated wheel group all passes mounting panel (5) from driving wheel (6) and be located driving wheel (7) of mounting panel (5) below through the connecting rod from driving wheel (6) and is connected with driving wheel (7) again behind mounting panel (5), wherein, from the side butt of driving wheel (6) on carousel (4) side, mounting panel (5) bottom is provided with first motor (8) that drive action wheel (7) rotated and use, installs the synchronizing wheel in the pivot of first motor (8), and its synchronizing wheel passes through the hold-in range with driving wheel (7) and is connected.

2. The data acquisition platform suitable for three-dimensional image acquisition according to claim 1, wherein small rubber covered wheel sets (10) for limiting up-and-down displacement of the rotary table (4) are arranged on the mounting plate (5), at least three small rubber covered wheel sets (10) are distributed at equal intervals along the circumferential direction of the rotary table (4), each small rubber covered wheel set (10) comprises a first guide wheel (12) positioned below the rotary table (4) and a second guide wheel (11) positioned above the rotary table (4), and the first guide wheel (12) and the second guide wheel (11) are both mounted on the mounting plate (5).

3. The data acquisition platform suitable for three-dimensional image acquisition according to claim 1, wherein the spring limiting mechanism (13) comprises two positioning blocks (14) installed at the bottom of the mounting plate (5), a first sliding block (15) is arranged between the two positioning blocks (14), a guide rod (16) for the first sliding block (15) to slide along the radial direction of the turntable (4) is further installed between the positioning blocks (14), two ends of the guide rod (16) are respectively connected to the positioning blocks (14), the guide rod (16) is connected with the first sliding block (15) in a sliding manner, a spring (17) is sleeved on the guide rod (16), one end of the spring (17) is connected with the positioning blocks (14), the other end of the spring (17) is connected with the first sliding block (15), the first sliding block (15) is provided with a through hole for the connection rod to pass through, and one end of the connection rod passes through the through hole and is fixedly connected with the driving wheel (7), the other end of the connecting rod penetrates through the mounting plate (5) and then is fixedly connected with a driven wheel (6) on the top of the mounting plate (5).

4. The data acquisition platform suitable for three-dimensional image acquisition according to claim 1, wherein two opposite sides of the frame (1) are respectively provided with a lifting mechanism (18) for driving the object placing platform (2) to adjust the vertical height, the lifting mechanism (18) comprises two first guide rails (19) vertically installed at two sides of the bracket (3), the two first guide rails (19) are respectively provided with a second slider (20), the two second sliders (20) are both fixed on the frame (1), the second slider (20) is slidably connected with the first guide rails (19), the frame (1) is provided with a second motor (21) for driving the object placing platform (2) to lift, a rotating shaft of the second motor (21) is provided with a first lead screw, a nut seat (22) in threaded fit with the first lead screw is arranged between the two first guide rails (19), the nut seat (22) is connected with the bracket (3), and the first lead screw is inserted in the nut seat (22).

5. The data acquisition platform suitable for three-dimensional image acquisition according to claim 1, wherein the mounting frame (23) is provided with a circular arc-shaped second guide rail (24), the second guide rail (24) is provided with at least one group of image acquisition units (25), each group of image acquisition units (25) is slidably connected with the second guide rail (24), two adjacent image acquisition units (25) are respectively connected through a connecting plate, and the mounting frame (23) is further provided with a driving mechanism (27) for driving the image acquisition units (25) to slide along the circumference of the second guide rail (24).

6. The data acquisition platform suitable for three-dimensional image acquisition according to claim 5, wherein the driving mechanism (27) comprises an arc-shaped through groove (28) formed on the mounting frame (23), a connecting shaft is inserted into the arc-shaped through groove (28), one end of the connecting shaft is fixedly connected to the back of the image acquisition unit (25), one end of the connecting shaft is provided with a limiting block (29), the side surface of the limiting block (29) is provided with a third sliding block (30), the third sliding block (30) is fixedly connected with the limiting block (29), the connecting shaft is inserted into the limiting block (29) and is provided with a groove for sliding fit, the bottom of the third sliding block (30) is provided with a third guide rail (31), the third guide rail (31) is fixed on the mounting frame (23), the third sliding block (30) is in sliding fit with the third guide rail (31), the second lead screw (32) for driving the limiting block (29) to move is mounted on the mounting frame (23), the upper end and the lower end of the second lead screw (32) are fixed on the mounting frame (23) through a bearing seat, a third motor (33) for driving the second lead screw (32) to rotate is mounted on the mounting frame (23), and the third motor (33) is connected with the mounting frame (23).

7. The data acquisition platform suitable for three-dimensional image acquisition usefulness according to claim 5, characterized in that, image acquisition unit (25) includes image collector (34), installation frame (35) is installed to image collector (34) bottom, and the side is provided with on installation frame (35) and is used for radiating aluminum alloy fin (36) of image collector (34), aluminum alloy fin (36) are fixed on installation frame (35), straight line module (37) is installed to installation frame (35) bottom, the bottom four corners department of straight line module (37) installs respectively with second guide rail (24) complex pulley (38), its pulley (38) have the spout joint on second guide rail (24), and pulley (38) and straight line module (37) rotate and be connected.

8. The data acquisition platform suitable for three-dimensional image acquisition according to claim 7, wherein the linear module (37) comprises a bottom plate (39), a servo motor (40) is installed on the bottom plate (39), a third lead screw (41) is installed on a rotating shaft of the servo motor (40), one end of the third lead screw (41) is connected with the rotating shaft, a support plate (42) is installed at the other end of the third lead screw (41), the support plate (42) is connected with the lead screw through a bearing, the support plate (42) is connected with the bottom plate (39), a fourth slider (43) is arranged between the servo motor (40) and the support plate (42), the fourth slider (43) is in threaded connection with the third lead screw (41), and the top of the fourth slider (43) is connected with the mounting frame (35).

9. The data acquisition platform for three-dimensional image acquisition according to claim 8, wherein a control system (44) is installed on the frame (1), and the control system (44) is in signal connection with the first motor (8), the second motor (21), the third motor (33) and the servo motor (40), respectively.

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