Three-dimensional scanning equipment based on machine vision

Abstract

The utility model discloses three-dimensional scanning equipment based on machine vision, which belongs to the field of scanning equipment and comprises a scanning structure, a connecting strip is mounted on the outer surface of an inner moving rod, and a scanner B is mounted at one end of the connecting strip. In order to solve the problem that the prior art is difficult to completely scan the whole object, the product is placed in a placing cylinder, a driving motor is started, a rotating plate, a bending plate, an inner moving plate and a placing plate are driven to rotate through a connecting shaft, the bending plate rotates at the upper end of the placing cylinder, and a scanner B arranged on the inner side of the bending plate is driven to scan the top end of the product. And the placement groove and the placement plate rotate in the rotating groove, the periphery of the product is scanned through a scanner A installed in the placement groove, the product is conveniently scanned, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the field of scanning equipment, and more specifically, to three-dimensional scanning equipment based on machine vision. Background Art

[0002] A 3D scanner is a scientific instrument used to detect and analyze the shape (geometry) and appearance data (such as color, surface albedo and other properties) of objects or environments in the real world. The collected data is often used for three-dimensional reconstruction calculations to create digital models of actual objects in the virtual world. In the document with publication number CN114199132A, a laser 3D scanner based on machine vision is proposed. The algorithm of the 3D laser measurement system can greatly improve the measurement accuracy, and there is no need to measure at a fixed distance, which improves the flexibility of measurement and makes the operation of the entire measurement equipment simpler and more convenient. When the above-mentioned 3D scanning device is in use, the algorithm of the 3D laser measurement system is used for precise measurement. However, in actual use, the position of the 3D scanning device cannot be moved, which will affect the scanning of the object by the scanning device, making it difficult to scan the entire object in full, and it is inconvenient to use. Utility Model Content

[0003] The purpose of the utility model is to overcome the problem in the prior art that the position of the three-dimensional scanning device cannot be moved, which will affect the scanning of the object by the scanning device and make it difficult to scan the object as a whole. A three-dimensional scanning device based on machine vision is provided to solve the above shortcomings and facilitate use.

[0004] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is:

[0005] The three-dimensional scanning device based on machine vision of the utility model comprises a scanning structure, wherein the scanning structure comprises a placing tube and an illuminating mechanism B installed on the inner wall of the placing tube, an inverted U-shaped frame is installed on the top of the placing tube, a driving motor is installed on the top of the inverted U-shaped frame, and an external scanning mechanism is installed between the inverted U-shaped frame and the rotating groove;

[0006] The external scanning mechanism includes a connecting shaft installed at the output end of the driving motor and a rotating plate installed at the bottom end of the connecting shaft, a bending plate is installed on one side of the rotating plate, an inner moving plate is installed at the bottom end of the bending plate, a placing plate is installed on the outer side of the inner moving plate, a placing groove is opened on the inner side of the inner moving plate, and a scanner A is placed inside the placing groove;

[0007] The inner wall of the curved plate is provided with a T-shaped shifting groove, an inner shifting rod is installed inside the T-shaped shifting groove, a connecting strip is installed on the outer surface of the inner shifting rod, and a scanner B is installed at one end of the connecting strip.

[0008] Preferably, a rotation groove is provided at the top of the placement tube, a groove is provided on the inner wall of the placement tube, and the rotation groove is communicated with the inside of the groove, a support bar is installed inside the groove, and the inner moving plate and the placement plate are slidably installed inside the rotation groove.

[0009] Preferably, the inner wall of the placement tube is provided with placement grooves at both the upper and lower ends of the groove, and an illuminating mechanism A is installed inside the placement groove.

[0010] Preferably, the lighting mechanism A comprises a light strip and a glass ring installed inside the light strip.

[0011] Preferably, a mounting frame is installed on the inner side of the bent plate, and the mounting frame is installed on the upper end of the T-shaped displacement groove.

[0012] Preferably, a winding motor is installed on the outer side of the mounting frame, a winding shaft is installed on the output end of the winding motor, and a rigid rope is wound around the outer surface of the winding shaft.

[0013] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] (1) The utility model is a three-dimensional scanning device based on machine vision. The product is placed inside the placement cylinder by means of a scanner A, a scanner B, a motor, an inner moving plate and a placement plate. The driving motor is started to rotate the rotating plate, the bending plate, the inner moving plate and the placement plate through the connecting shaft. The bending plate rotates at the upper end of the placement cylinder, driving the scanner B arranged on the inner side of the bending plate to scan the top of the product. The placement groove and the placement plate rotate inside the rotating groove. The periphery of the product is scanned by the scanner A installed inside the placement groove, which is convenient for scanning the product and easy to use.

[0016] (2) The three-dimensional scanning device based on machine vision of the utility model is provided with a light strip, a winding shaft and a mounting frame. When scanning, the light strip arranged inside the mounting groove emits light, and the light shines on the surface of the product through the glass ring, so that scanner A and scanner B can scan the product. The winding motor is started to make the winding shaft rotate inside the mounting frame to wind up the rigid rope. At this time, the inner moving rod is pulled upward inside the T-shaped moving groove by the rigid rope, so that the scanning angle of scanner B is changed, so as to facilitate scanning of the uneven top of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall structure diagram of the utility model;

[0018] Figure 2 This is a structural diagram of the placement tube of the utility model;

[0019] Figure 3 This is a structural diagram of the lighting mechanism A of the utility model;

[0020] Figure 4 This is a structural diagram of the external sweeping mechanism of the utility model;

[0021] Figure 5 For the utility model Figure 4 Enlarged view of point A in the middle.

[0022] In the figure: 1. scanning structure; 11. placing cylinder; 111. rotating groove; 112. slotting; 113. supporting bar; 114. placing groove; 115. inverted U-shaped frame; 116. driving motor; 12. illuminating mechanism A; 121. light belt; 122. glass ring; 13. illuminating mechanism B; 14. external scanning mechanism; 141. rotating plate; 142. connecting shaft; 143. bending plate; 1431. T-shaped shifting groove; 1432. inner shifting rod; 1433. connecting bar; 144. inner shifting plate; 145. placing plate; 146. placing groove; 147. winding motor; 148. winding shaft; 149. rigid rope; 15. scanner A; 16. scanner B; 17. mounting frame. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0025] Combination Figure 1 , Figure 4 and Figure 5 The three-dimensional scanning device based on machine vision includes a scanning structure 1, which includes a placing tube 11 and an illuminating mechanism B13 installed on the inner wall of the placing tube 11. An inverted U-shaped frame 115 is installed on the top of the placing tube 11, a driving motor 116 is installed on the top of the inverted U-shaped frame 115, and an external scanning mechanism 14 is installed between the inverted U-shaped frame 115 and the rotating groove 111.

[0026] The utility model is further described below in conjunction with embodiments.

[0027] Combination Figure 2-5The external scanning mechanism 14 includes a connecting shaft 142 installed at the output end of the driving motor 116 and a rotating plate 141 installed at the bottom end of the connecting shaft 142, a bent plate 143 is installed on one side of the rotating plate 141, an inner moving plate 144 is installed at the bottom end of the bent plate 143, a placing plate 145 is installed on the outer side of the inner moving plate 144, a placing groove 146 is opened on the inner side of the inner moving plate 144, and a scanner A15 is placed inside the placing groove 146, a T-shaped moving groove 1431 is opened on the inner wall of the bent plate 143, an inner moving rod 1432 is installed inside the T-shaped moving groove 1431, a connecting strip 1433 is installed on the outer surface of the inner moving rod 1432, and a scanner B16 is installed on one end of the connecting strip 1433, a rotating groove 111 is opened on the top of the placing cylinder 11, and a The slot 112 is opened, and the rotating slot 111 is communicated with the inside of the slot 112, the inside of the slot 112 is installed with a support bar 113, the inner moving plate 144 and the placement plate 145 are slidably installed in the inside of the rotating slot 111, the inner wall of the placement tube 11 and the upper and lower ends of the slot 112 are provided with a placement slot 114, and the inside of the placement slot 114 is installed with a lighting mechanism A12, the lighting mechanism A12 includes a light strip 121 and a glass ring 122 installed on the inner side of the light strip 121, a mounting frame 17 is installed on the inner side of the bent plate 143, and the mounting frame 17 is installed on the upper end of the T-shaped moving slot 1431, a winding motor 147 is installed on the outer side of the mounting frame 17, a winding shaft 148 is installed on the output end of the winding motor 147, and a rigid rope 149 is wound around the outer surface of the winding shaft 148.

[0028] In this embodiment: the product is placed inside the placement cylinder 11, the driving motor 116 is started, and the rotating plate 141, the bent plate 143, the inner moving plate 144 and the placement plate 145 are driven to rotate through the connecting shaft 142. The bent plate 143 rotates at the upper end of the placement cylinder 11, driving the scanner B16 arranged on the inner side of the bent plate 143 to scan the top of the product. The placement groove 114 and the placement plate 145 rotate inside the rotating groove 111, and the periphery of the product is scanned by the scanner A15 installed inside the placement groove 146, so as to facilitate scanning of the product. , easy to use. During scanning, the light strip 121 arranged inside the mounting groove 114 emits light, and the light shines on the surface of the product through the glass ring 122, which is convenient for scanner A15 and scanner B16 to scan the product. The winding motor 147 is started to make the winding shaft 148 rotate inside the mounting frame 17 to wind up the rigid rope 149. At this time, the inner moving rod 1432 is pulled up inside the T-shaped moving groove 1431 by the rigid rope 149, and the scanning angle of the scanner B16 is changed, which is convenient for scanning the uneven top of the product.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A three-dimensional scanning device based on machine vision, comprising a scanning structure (1), characterized in that: The scanning structure (1) comprises a placement tube (11) and an illuminating mechanism B (13) installed on the inner wall of the placement tube (11); an inverted U-shaped frame (115) is installed at the top of the placement tube (11); a driving motor (116) is installed at the top of the inverted U-shaped frame (115); and an external scanning mechanism (14) is installed between the inverted U-shaped frame (115) and the rotating groove (111); The external scanning mechanism (14) comprises a connecting shaft (142) installed at the output end of the driving motor (116) and a rotating plate (141) installed at the bottom end of the connecting shaft (142); a bending plate (143) is installed on one side of the rotating plate (141); an inner moving plate (144) is installed at the bottom end of the bending plate (143); a placement plate (145) is installed on the outer side of the inner moving plate (144); a placement groove (146) is provided on the inner side of the inner moving plate (144); and a scanner A (15) is placed inside the placement groove (146); The inner wall of the curved plate (143) is provided with a T-shaped shifting groove (1431), an inner shifting rod (1432) is installed inside the T-shaped shifting groove (1431), a connecting strip (1433) is installed on the outer surface of the inner shifting rod (1432), and a scanner B (16) is installed at one end of the connecting strip (1433).

2. The three-dimensional scanning device based on machine vision according to claim 1, characterized in that: The top of the placement tube (11) is provided with a rotation groove (111), the inner wall of the placement tube (11) is provided with a groove (112), and the rotation groove (111) is communicated with the inside of the groove (112), a support bar (113) is installed inside the groove (112), and the inner moving plate (144) and the placement plate (145) are slidably installed inside the rotation groove (111).

3. The three-dimensional scanning device based on machine vision according to claim 2, characterized in that: The inner wall of the placement tube (11) is provided with a placement groove (114) at both the upper end and the lower end of the slot (112), and an illuminating mechanism A (12) is installed inside the placement groove (114).

4. The three-dimensional scanning device based on machine vision according to claim 3, characterized in that: The lighting mechanism A (12) comprises a light strip (121) and a glass ring (122) installed inside the light strip (121).

5. The three-dimensional scanning device based on machine vision according to claim 1, characterized in that: A mounting frame (17) is installed on the inner side of the bent plate (143), and the mounting frame (17) is installed on the upper end of the T-shaped displacement groove (1431).

6. The three-dimensional scanning device based on machine vision according to claim 5, characterized in that: A winding motor (147) is installed on the outer side of the mounting frame (17), a winding shaft (148) is installed on the output end of the winding motor (147), and a rigid rope (149) is wound around the outer surface of the winding shaft (148).

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