CN113141463B - Multi-view part data set acquisition device - Google Patents
Multi-view part data set acquisition device Download PDFInfo
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- CN113141463B CN113141463B CN202110415124.6A CN202110415124A CN113141463B CN 113141463 B CN113141463 B CN 113141463B CN 202110415124 A CN202110415124 A CN 202110415124A CN 113141463 B CN113141463 B CN 113141463B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 20
- 238000013480 data collection Methods 0.000 claims abstract description 7
- 230000005570 vertical transmission Effects 0.000 claims description 21
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 8
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000013135 deep learning Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
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Abstract
The invention discloses a multi-view part data collection device which comprises a transmission mechanism, a camera assembly, a profile frame, a rotating part tray and a light source assembly. The rotary part tray is fixedly connected in the aluminum profile frame at the bottom through a bearing and used for placing parts; the four light source assemblies are fixed on the bottom aluminum profile and provide light sources for the object; the camera is fixed on the transmission mechanism, and the transmission mechanism and the camera assembly are matched to control the distance and the angle between the camera and an object. Through the precise linkage and cooperation of the rotary tray, the transmission mechanism and the light source, high-quality pictures can be collected more and more efficiently, and a better data set is established. The influence of other variables on the identification precision of the acquired data set can be researched by controlling one variable or a plurality of variables of the illumination intensity, the illumination angle, the camera angle and the camera distance through a variable control method, and the optimal camera pose and the optimal light source condition of the acquired data set are determined.
Description
Technical Field
The invention belongs to the technical field of image acquisition, and particularly relates to a part data set acquisition device.
Background
With the development of artificial intelligence deep learning, machine vision technology is more mature, applications such as object identification, target detection, pose estimation and the like are more and more, in the applications, firstly, image acquisition of an object is required, and only a high-quality data set is available, so that the confidence coefficient of the next operation such as detection and pose estimation is better. A large number of pictures of all direction angles are needed for image acquisition of an object, and an algorithm is used for training. For traditional manual picture collection, factors such as camera position, camera angle and light source position are difficult to control in the collection process, so that the picture quality is not high, and certain influence is brought to subsequent operation.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a multi-view part data collection device which comprises a transmission mechanism, a camera assembly, a profile frame, a rotating part tray and a light source assembly. The rotary part tray is fixedly connected in the aluminum profile frame at the bottom through a bearing and used for placing parts; the four light source assemblies are fixed on the bottom aluminum profile and provide light sources for the object; the camera is fixed on the transmission mechanism, and the transmission mechanism and the camera assembly are matched to control the distance and the angle between the camera and an object. Through the precise linkage and cooperation of the rotary tray, the transmission mechanism and the light source, high-quality pictures can be collected more and more efficiently, and a better data set is established. The influence of other variables on the identification precision of the acquired data set can be researched by controlling one variable or a plurality of variables of the illumination intensity, the illumination angle, the camera angle and the camera distance through a variable control method, and the optimal camera pose and the optimal light source condition of the acquired data set are determined.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a multi-view part data collection device comprises a transmission mechanism, a camera component, a profile frame, a rotary part tray and a light source component; the rotary part tray is fixed at the lower end in the profile frame and used for placing parts; the light source assembly is fixed on the profile frame and used for providing a light source for the part; the transmission mechanism is arranged on the profile frame, can slide up and down and is used for adjusting the distance from a camera of the camera assembly to a part; the camera assembly is fixed on the transmission mechanism and used for fixing the camera and adjusting the relative angle between the camera and the part;
the section frame comprises seven aluminum section bars, four first connecting pieces, two second connecting pieces, four level regulators and a level meter; four of the seven aluminum profile rods are bottom profiles, are positioned at the bottom of the profile frame and are horizontally placed, and are fixed by four first connecting pieces to form a square shape; the two aluminum profile rods are upright column profiles and are vertically placed, and the lower ends of the two upright column profiles are respectively fixed on two first connecting pieces at the diagonal positions of the square through second connecting pieces; the other aluminum profile rod is a top profile and is positioned at the top of the profile frame, and two ends of the top profile are respectively fixed at the upper ends of the two upright column profiles; the level meter is fixed on any bottom section bar, the four level regulators are respectively installed in the four first connecting pieces, and the level regulators are adjusted to keep the bottom section bar horizontal by observing the level meter;
the transmission mechanism comprises a fixing plate, a vertical transmission screw rod, a first sliding block, a second sliding block, a third sliding block, a transverse transmission screw rod, a smooth fixing rod, a first stepping motor and a second stepping motor; the second stepping motor and any one upright column section bar are fixed on the same first connecting piece, the upright column section bar is defined as a first upright column section bar, and the other upright column section bar is defined as a second upright column section bar; the vertical transmission screw rod is vertically arranged, the lower end of the vertical transmission screw rod is fixed on a rotating shaft of the second stepping motor, the upper end of the vertical transmission screw rod is fixed on a fixed plate through a bearing, and the fixed plate is fixedly connected with the top section bar; the first sliding block is fixed on the vertical transmission lead screw, a semicircular groove is formed in one side of the first sliding block, the first upright column profile is embedded into the semicircular groove, so that the first sliding block can move up and down along the first upright column profile, the other side of the first sliding block is fixedly connected with one end of the smooth fixed rod, the other side of the first sliding block is simultaneously connected with one end of the transverse transmission lead screw through a bearing, and the transverse transmission lead screw is parallel to the smooth fixed rod; the other end of the transverse transmission screw rod is fixed on a rotating shaft of a first stepping motor, the other ends of the first stepping motor and the smooth fixed rod are fixed on one side of a second sliding block, a semicircular groove is formed in the other side of the second sliding block, and a second upright column profile is embedded into the semicircular groove so that the second sliding block can move up and down along the second upright column profile; the third sliding block is fixed on the transverse transmission lead screw, and the smooth fixed rod penetrates through the third sliding block; the second stepping motor rotates to drive the vertical transmission lead screw to rotate, and the vertical transmission lead screw rotates to drive the first sliding block, the transverse transmission lead screw, the smooth fixed rod and the second sliding block to move up and down; the first stepping motor rotates to drive the transverse transmission lead screw to rotate, so that the third sliding block can move left and right along the smooth fixed rod;
the camera assembly comprises a third stepping motor, a rotating part, a connecting side plate, a steering engine, a camera fixing plate and a camera; the third stepping motor is fixed on the bottom surface of the third sliding block; the upper end of the rotating part is fixedly connected with a rotating shaft of a third stepping motor, and the lower end of the rotating part is fixedly connected with the top of the connecting side plate; the steering engine is positioned above the camera fixing plate and fixedly connected with the camera fixing plate; the connecting side plate comprises two side plates, the steering engine is positioned between the two side plates, one side plate is connected with the steering engine, and the other side plate is connected with the camera fixing plate; the camera is fixed on the lower bottom surface of the camera fixing plate; the third step motor rotates to drive the rotating part to rotate the camera in the horizontal plane; when the steering engine works, the steering engine and the camera fixing plate rotate around the steering engine and the camera fixing plate and the fixing shaft connected with the side plates, and the angle of the camera relative to the rotating part tray, namely the pitching angle, is changed;
the rotary part tray comprises a base plate, a supporting table, a motor, a belt, a thrust bearing, a motor base, a circular tray and an inner ratchet annular part; four backing plates are distributed around the support platform to back up the support platform; a circular boss is arranged in the middle of the upper surface of the supporting table, and a circular boss is also arranged in the middle of the lower surface of the circular tray; thrust bearings are sleeved on the peripheries of the circular bosses of the supporting platform and the circular tray, and the supporting platform and the circular tray are connected through the thrust bearings; the inner ratchet wheel annular part is fixed on the lower surface of the circular tray through bolts and pins, and the outer surface of the inner ratchet wheel annular part is connected with the motor through a belt; the motor is inserted into the support table and is fixed on the support table through the motor base; the four first connecting pieces are fixed at four corners of the supporting platform through bolts; when the motor rotates, the inner ratchet wheel annular part is driven to rotate through the belt, so that the circular tray rotates; the upper surface of the circular tray is used for placing parts;
the light source assembly comprises a strip-shaped light source, a hinge, a universal hose and a fourth sliding block; the fourth sliding block is arranged in a sliding groove of the bottom section bar and is fixed through a bolt, and the fourth sliding block can slide along the sliding groove when the bolt is loosened; one end of the universal hose is fixedly connected with the fourth sliding block, the other end of the universal hose is connected with the bar-shaped light source through a hinge, the universal hose can be bent and changed in direction, and the hinge can rotate, so that the angle and the distance of the bar-shaped light source irradiating parts can be adjusted through the cooperation of the universal hose and the hinge.
Preferably, the light source assembly has four groups, and the four groups are respectively arranged on the four bottom section bars.
Preferably, the inner ratchet ring member is only rotatable in a single direction by the thrust pawl of the thrust bearing.
Preferably, the profile frame is made of aluminum.
Preferably, the square is a square.
The multi-view part data collection and acquisition device has the following beneficial effects:
1. compared with the existing part identification data set acquisition method for manually adjusting the illumination effect and the camera position, the device can simultaneously control one or more parameters of five parameters of illumination intensity, illumination angle, illumination distance, camera height and camera angle, the variation gradient of the control variable is more uniform and reasonable, and a higher-quality image can be obtained to improve the accuracy of subsequent work;
2. the device can research the influence of other variables on the identification precision of the acquired data set by controlling one variable or a plurality of variables of the illumination intensity, the illumination angle, the illumination distance, the camera angle and the camera distance, and determine the optimal camera pose and the optimal light source condition of the acquired data set.
3. Compared with the traditional acquisition technology, the device can realize full-automatic high-efficiency acquisition, and save the cost of manpower and time;
drawings
FIG. 1 is a front view of the apparatus of the present invention.
Fig. 2 is a side view of the device of the present invention.
Fig. 3 is a top view of the apparatus of the present invention.
Fig. 4 is an isometric view of the device of the present invention.
Fig. 5 is a schematic view of the structure of the device profile frame.
FIG. 6 is a schematic view of a light source module of the device of the present invention.
FIG. 7 is a schematic view of the transmission mechanism of the device of the present invention.
FIG. 8 is a schematic view of a camera module of the apparatus of the present invention.
FIG. 9 is a schematic diagram of a support stage of the apparatus of the present invention, wherein (a) is an upper surface of the support stage and (b) is a lower surface of the support stage.
FIG. 10 is a schematic view of the circular tray structure of the device of the present invention, wherein (a) the circular boss is not sleeved with the thrust bearing, and (b) the circular boss is sleeved with the thrust bearing and the additional belt pulley.
In the figure: the device comprises a transmission mechanism 1, a camera component 2, a profile frame 3, a rotary part tray 4, a light source component 5, a fixing plate 1-1, a longitudinal transmission screw 1-2, a first sliding block 1-3, a transverse transmission screw 1-4, a smooth fixing rod 1-5, a third sliding block 1-6, a first stepping motor 1-7, a second sliding block 1-8, a second stepping motor 1-9, a third stepping motor 2-1, a rotary part 2-2, a connecting side plate 2-3, a steering engine 2-4, a camera fixing plate 2-5, a camera 2-6 and an aluminum profile rod 3-1. 3-2 first connecting pieces, 3-3 second connecting pieces, 3-4 level regulators, 3-5 levels, 4-1 base plates, 4-2 supporting tables, 4-3 motors, 4-4 belts, 4-5 thrust bearings, 4-6 motor bases, 4-7 circular trays, 4-8 inner ratchet annular parts, 5-1 strip-shaped light sources, 5-2 hinges, 5-3 universal hoses and 5-4 fourth sliding blocks.
Detailed Description
In order to better control various factors during image acquisition, the invention provides a multi-view part data set acquisition device, wherein parts are fixed on a rotary tray, and the angle and the intensity of a light source are adjusted to obtain control on different requirements of the light source; the distance and angle between the camera and the object can be controlled. Through the precise linkage and cooperation of the rotary tray, the transmission mechanism and the light source, high-quality pictures are collected more and more efficiently, and a better data set is established. The influence of other variables on the identification precision of the acquired data set can be researched by controlling one variable or a plurality of variables of the illumination intensity, the illumination angle, the camera angle and the camera distance through a variable control method, and the optimal camera pose and the optimal light source condition of the acquired data set are determined.
As shown in fig. 1 to 4, a multi-view part data collection device comprises a transmission mechanism 1, a camera assembly 2, a profile frame 3, a rotating part tray 4 and a light source assembly 5; the rotary part tray 4 is fixed at the lower end inside the section bar frame 3 and used for placing parts; the light source assembly 5 is fixed on the profile frame 3 and used for providing a light source for the part; the transmission mechanism 1 is arranged on the profile frame 3, can slide up and down and is used for adjusting the distance from a camera 2-6 of the camera assembly 5 to a part; the camera component 2 is fixed on the transmission mechanism 1 and used for fixing the cameras 2-6 and adjusting the relative angles of the cameras 2-6 and the parts;
the section frame 3 comprises seven aluminum section bars 3-1, four first connecting pieces 3-2, two second connecting pieces 3-3, four level regulators 3-4 and level gauges 3-5; four of the seven aluminum profile rods 3-1 are bottom profiles, are positioned at the bottom of the profile frame 3 and are horizontally placed, and are fixed by four first connecting pieces 3-2 to form a square shape; the two aluminum profile rods 3-1 are upright column profiles and are vertically arranged, and the lower ends of the two upright column profiles are respectively fixed on two first connecting pieces 3-2 at the diagonal positions of the square through second connecting pieces 3-3; the other aluminum profile rod 3-1 is a top profile and is positioned at the top of the profile frame 3, and two ends of the top profile are respectively fixed at the upper ends of the two upright column profiles; the level meter 3-5 is fixed on any bottom section bar, the four level regulators 3-4 are respectively installed in the four first connecting pieces 3-2, and the bottom section bar is kept horizontal by observing the level meter 3-5 and regulating the level regulators 3-4;
the transmission mechanism 1 comprises a fixing plate 1-1, a vertical transmission screw rod 1-2, a first sliding block 1-3, a second sliding block 1-8, a third sliding block 1-6, a transverse transmission screw rod 1-4, a smooth fixing rod 1-5, a first stepping motor 1-7 and a second stepping motor 1-9; the second stepping motor 1-9 and any one upright column section are fixed on the same first connecting piece 3-2, the upright column section is defined as a first upright column section, and the other upright column section is defined as a second upright column section; the vertical transmission screw rod 1-2 is vertically arranged, the lower end of the vertical transmission screw rod is fixed on a rotating shaft of the second stepping motor 1-9, the upper end of the vertical transmission screw rod is fixed on the fixed plate 1-1 through a bearing, and the fixed plate 1-1 is fixedly connected with the top section bar; the first sliding block 1-3 is fixed on the vertical transmission lead screw 1-2, a semicircular groove is formed in one side of the first sliding block 1-3, a first upright column profile is embedded into the semicircular groove, so that the first sliding block 1-3 can move up and down along the first upright column profile, the other side of the first sliding block 1-3 is fixedly connected with one end of a smooth fixing rod 1-5, the other side of the first sliding block 1-3 is simultaneously connected with one end of a transverse transmission lead screw 1-4 through a bearing, and the transverse transmission lead screw 1-4 is parallel to the smooth fixing rod 1-5; the other end of the transverse transmission screw rod 1-4 is fixed on a rotating shaft of a first stepping motor 1-7, the other ends of the first stepping motor 1-7 and the smooth fixing rod 1-5 are fixed on one side of a second sliding block 1-8, a semicircular groove is formed in the other side of the second sliding block 1-8, and a second upright column profile is embedded into the semicircular groove, so that the second sliding block 1-8 can move up and down along the second upright column profile; the third sliding block 1-6 is fixed on the transverse transmission screw rod 1-4, and the smooth fixed rod 1-5 penetrates through the third sliding block 1-6; the second stepping motor 1-9 rotates to drive the vertical transmission screw rod 1-2 to rotate, and the vertical transmission screw rod 1-2 rotates to drive the first sliding block 1-3, the transverse transmission screw rod 1-4, the smooth fixed rod 1-5 and the second sliding block 1-8 to move up and down; the first stepping motor 1-7 rotates to drive the transverse transmission screw rod 1-4 to rotate, so that the third sliding block 1-6 can move left and right along the smooth fixed rod 1-5;
the camera assembly 2 comprises a third stepping motor 2-1, a rotating part 2-2, a connecting side plate 2-3, a steering engine 2-4, a camera fixing plate 2-5 and a camera 2-6; the third stepping motor 2-1 is fixed on the bottom surface of the third sliding block 1-6; the upper end of the rotating part 2-2 is fixedly connected with a rotating shaft of a third stepping motor 2-1, and the lower end of the rotating part 2-2 is fixedly connected with the top of the connecting side plate 2-3; the steering engine 2-4 is positioned above the camera fixing plate 2-5 and fixedly connected with the camera fixing plate 2-5; the connecting side plate 2-3 comprises two side plates, the steering engine 2-4 is arranged between the two side plates, one side plate is connected with the steering engine 2-4, and the other side plate is connected with the camera fixing plate 2-5; the camera 2-6 is fixed on the lower bottom surface of the camera fixing plate 2-5; the third step motor 2-1 rotates to drive the rotating part 2-2 to enable the camera 2-6 to rotate in the horizontal plane; when the steering engine 2-4 works, the steering engine 2-4 and the camera fixing plate 2-5 rotate around the steering engine 2-4, the camera fixing plate 2-5 and the fixing shaft connected with the side plate 2-3, and the angle of the camera 2-6 relative to the rotating part tray 4, namely the pitching angle, is changed;
the rotary part tray 4 comprises a base plate 4-1, a support table 4-2, a motor 4-3, a belt 4-4, a thrust bearing 4-5, a motor base 4-6, a circular tray 4-7 and an inner ratchet annular part 4-8; four backing plates 4-1 are distributed around the support table 4-2 to pad up the support table 4-2; a circular boss is arranged in the middle of the upper surface of the supporting platform 4-2, and a circular boss is also arranged in the middle of the lower surface of the circular tray 4-7; the peripheries of the circular bosses of the supporting platform 4-2 and the circular tray 4-7 are sleeved with thrust bearings 4-5, and the supporting platform 4-2 is connected with the circular tray 4-7 through the thrust bearings 4-5; the inner ratchet wheel annular part 4-8 is fixed on the lower surface of the circular tray 4-7 through a bolt and a pin, and the outer surface of the inner ratchet wheel annular part 4-8 is connected with the motor 4-3 through a belt 4-4; the motor 4-3 is inserted into the support table 4-2 and is fixed on the support table 4-2 through a motor base 4-6; the four first connecting pieces 3-2 are fixed at four corners of the support table 4-2 through bolts; when the motor 4-3 rotates, the belt 4-4 drives the inner ratchet wheel annular part 4-8 to rotate, so that the circular tray 4-7 rotates; the upper surfaces of the circular trays 4-7 are used for placing parts;
the light source assembly 5 comprises a strip-shaped light source 5-1, a hinge 5-2, a universal hose 5-3 and a fourth sliding block 5-4; the fourth sliding block 5-4 is installed in a sliding groove of the bottom section bar and fixed through a bolt, and the fourth sliding block 5-4 can slide along the sliding groove when the bolt is loosened; one end of the universal hose 5-3 is fixedly connected with the fourth sliding block 5-4, the other end of the universal hose is connected with the bar-shaped light source 5-1 through the hinge 5-2, the universal hose 5-3 can be bent and changed in direction, and the hinge 5-2 can rotate, so that the angle and the distance of the bar-shaped light source 5-1 irradiating parts can be adjusted through the matching of the universal hose 5-3 and the hinge 5-2.
Preferably, there are four sets of said light source modules 5, mounted on four bottom profiles, respectively.
Preferably, the inner ratchet ring element 4-8 is only rotatable in one direction by the thrust pawl of the thrust bearing 4-5.
Preferably, the profiled frame 3 is made of aluminium.
Preferably, the square is a square.
In order to improve the light source condition, the light source component of the device is arranged at the bottom, so that the device cannot be interfered by other components to generate shadows and the like. In order to make the camera move stably, a double-transmission lead screw is adopted for transmission. In order to ensure that the device can keep a horizontal state at any place, a horizontal regulator and a level gauge are additionally arranged at the bottom, and the device can be leveled at any time, so that the influence of uneven ground on the acquisition quality of acquired pictures is avoided. In order to meet the high precision requirement in the rotating process of the large-diameter circular tray, the diameter of an annular part in the part tray is far larger than the diameter of a belt pulley on a stepping motor, the belt pulley with a high transmission ratio is matched with the stepping motor without the characteristic of accumulated error, the embodiment of the error of the stepping motor on the circular tray is favorably reduced, and meanwhile, an inner ratchet wheel of the annular part is matched with a locking claw arranged on a supporting table to complete the high precision fixed dividing angle of the part tray.
The application scenarios of the device of the invention are as follows:
1. automated data image acquisition
The motors and the steering engines are controlled by a computer, and reasonable angle and distance change gradient are set, so that automatic data acquisition can be completed.
2. Investigating the influence of camera position on the quality of a data set
The condition of the light source is kept unchanged by controlling a variable method, and the position relation between the camera and the part is controlled by controlling the rotation of the circular tray, the movement of the transmission mechanism and the rotation of the camera, so that the influence of different camera positions on the quality of the data set is researched.
3. Investigating the influence of light Source conditions on the quality of a data set
The conditions of the rotating mechanism and the camera assembly are kept unchanged by controlling a variable method, and the rotation of the part tray and the light source mechanism are controlled. So as to complete the definition of the camera angle and distance and simultaneously research the influence of different light source conditions on the quality of the data set.
Claims (5)
1. A multi-view part data collection device is characterized by comprising a transmission mechanism, a camera component, a profile frame, a rotary part tray and a light source component; the rotary part tray is fixed at the lower end in the profile frame and used for placing parts; the light source assembly is fixed on the profile frame and used for providing a light source for the part; the transmission mechanism is arranged on the profile frame, can slide up and down and is used for adjusting the distance from a camera of the camera assembly to a part; the camera assembly is fixed on the transmission mechanism and used for fixing the camera and adjusting the relative angle between the camera and the part;
the section frame comprises seven aluminum section bars, four first connecting pieces, two second connecting pieces, four level adjusters and a level meter; four of the seven aluminum profile rods are bottom profiles, are positioned at the bottom of the profile frame and are horizontally placed, and are fixed by four first connecting pieces to form a square shape; the two aluminum profile rods are upright column profiles and are vertically placed, and the lower ends of the two upright column profiles are respectively fixed on two first connecting pieces at the diagonal positions of the square through second connecting pieces; the other aluminum profile rod is a top profile and is positioned at the top of the profile frame, and two ends of the top profile are respectively fixed at the upper ends of the two upright column profiles; the level meter is fixed on any bottom section bar, the four level regulators are respectively installed in the four first connecting pieces, and the level regulators are adjusted to keep the bottom section bar horizontal by observing the level meter;
the transmission mechanism comprises a fixing plate, a vertical transmission screw rod, a first sliding block, a second sliding block, a third sliding block, a transverse transmission screw rod, a smooth fixing rod, a first stepping motor and a second stepping motor; the second stepping motor and any one upright column section bar are fixed on the same first connecting piece, the upright column section bar is defined as a first upright column section bar, and the other upright column section bar is defined as a second upright column section bar; the vertical transmission screw rod is vertically arranged, the lower end of the vertical transmission screw rod is fixed on a rotating shaft of the second stepping motor, the upper end of the vertical transmission screw rod is fixed on a fixed plate through a bearing, and the fixed plate is fixedly connected with the top section bar; the first sliding block is fixed on the vertical transmission lead screw, a semicircular groove is formed in one side of the first sliding block, the first upright column profile is embedded into the semicircular groove, so that the first sliding block can move up and down along the first upright column profile, the other side of the first sliding block is fixedly connected with one end of the smooth fixed rod, the other side of the first sliding block is simultaneously connected with one end of the transverse transmission lead screw through a bearing, and the transverse transmission lead screw is parallel to the smooth fixed rod; the other end of the transverse transmission screw rod is fixed on a rotating shaft of a first stepping motor, the other ends of the first stepping motor and the smooth fixed rod are fixed on one side of a second sliding block, a semicircular groove is formed in the other side of the second sliding block, and a second upright column profile is embedded into the semicircular groove so that the second sliding block can move up and down along the second upright column profile; the third sliding block is fixed on the transverse transmission lead screw, and the smooth fixed rod penetrates through the third sliding block; the second stepping motor rotates to drive the vertical transmission lead screw to rotate, and the vertical transmission lead screw rotates to drive the first sliding block, the transverse transmission lead screw, the smooth fixed rod and the second sliding block to move up and down; the first stepping motor rotates to drive the transverse transmission lead screw to rotate, so that the third sliding block can move left and right along the smooth fixed rod;
the camera assembly comprises a third stepping motor, a rotating part, a connecting side plate, a steering engine, a camera fixing plate and a camera; the third stepping motor is fixed on the bottom surface of the third sliding block; the upper end of the rotating part is fixedly connected with a rotating shaft of a third stepping motor, and the lower end of the rotating part is fixedly connected with the top of the connecting side plate; the steering engine is positioned above the camera fixing plate and fixedly connected with the camera fixing plate; the connecting side plate comprises two side plates, the steering engine is positioned between the two side plates, one side plate is connected with the steering engine, and the other side plate is connected with the camera fixing plate; the camera is fixed on the lower bottom surface of the camera fixing plate; the third step motor rotates to drive the rotating part to rotate the camera in the horizontal plane; when the steering engine works, the steering engine and the camera fixing plate rotate around the steering engine and the camera fixing plate and the fixing shaft connected with the side plates, and the angle of the camera relative to the rotating part tray, namely the pitching angle, is changed;
the rotary part tray comprises a base plate, a supporting table, a motor, a belt, a thrust bearing, a motor base, a circular tray and an inner ratchet annular part; four backing plates are distributed around the support platform to back up the support platform; a circular boss is arranged in the middle of the upper surface of the supporting table, and a circular boss is also arranged in the middle of the lower surface of the circular tray; thrust bearings are sleeved on the peripheries of the circular bosses of the supporting platform and the circular tray, and the supporting platform and the circular tray are connected through the thrust bearings; the inner ratchet wheel annular part is fixed on the lower surface of the circular tray through bolts and pins, and the outer surface of the inner ratchet wheel annular part is connected with the motor through a belt; the motor is inserted into the support table and is fixed on the support table through the motor base; the four first connecting pieces are fixed at four corners of the supporting platform through bolts; when the motor rotates, the inner ratchet wheel annular part is driven to rotate through the belt, so that the circular tray rotates; the upper surface of the circular tray is used for placing parts;
the light source component comprises a strip-shaped light source, a hinge, a universal hose and a fourth sliding block; the fourth sliding block is arranged in a sliding groove of the bottom section bar and is fixed through a bolt, and the fourth sliding block can slide along the sliding groove when the bolt is loosened; one end of the universal hose is fixedly connected with the fourth sliding block, the other end of the universal hose is connected with the bar-shaped light source through a hinge, the universal hose can be bent and changed in direction, and the hinge can rotate, so that the angle and the distance of the bar-shaped light source irradiating parts can be adjusted through the cooperation of the universal hose and the hinge.
2. The apparatus of claim 1, wherein said light source modules are four sets, each set being mounted on four bottom profiles.
3. The apparatus of claim 1, wherein the inner ratchet ring is controlled by the thrust pawl of the thrust bearing to rotate in only one direction.
4. The device of claim 1, wherein the frame is made of aluminum.
5. The multi-view part data set acquisition device of claim 1, wherein said square is a square.
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| CN114706259A (en) * | 2022-04-24 | 2022-07-05 | 弘新医疗设备(北京)有限公司 | Multispectral device of shooing of psoriasis |
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