3D scanning machine

Abstract

The 3D scanning machine table comprises a base, a mounting frame is fixedly arranged at the rear end of the upper end of the base, limiting grooves are formed in the two sides of the interior of the lower portion of the mounting frame, the limiting grooves are of an open structure, a movable seat is arranged in the center of the lower portion of the mounting frame, and lead screws are arranged on the two sides of the lower end of the mounting frame. The lead screw penetrates through the moving seat, the upper end and the lower end of the lead screw are rotationally connected with the mounting frame and the base correspondingly, mounting plates are arranged on the front portion and the rear portion of the moving seat, rotating cavities are formed in the mounting plates, scanning assemblies are arranged in the rotating cavities, and rotating motors are fixedly arranged on the two sides of the exterior of each mounting plate correspondingly; and an output shaft of the rotating motor extends into the rotating cavity and is fixedly connected with the scanning assembly. By means of the structure, the problems that position adjustment of the scanning assembly is not flexible enough, and a workpiece is difficult to clamp and fix are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3D scanning technical field, concretely is a kind of 3D scanning machine platform. BACKGROUND

[0002] 3D scanning machine platform is a kind of high-tech equipment, integrates light, machine, electricity and computer technology, mainly for scanning the space shape and structure of object, to obtain the spatial coordinate information of object surface.Scan, using structured light technology, phase measurement technology, 3D vision technology and composite three-dimensional non-contact measurement technology.Through projecting specific light mode to object surface, then using camera to capture the deformation of these light modes on object surface, 3D scanning machine platform is applied in industrial manufacturing, reverse engineering, quality detection, customized production and other fields.

[0003] For example, the Chinese patent "3D scanning device" with publication number CN213430112U, including floor frame and camera device, the four corners of the floor frame are uniformly provided with slide rail device, the slide rail device includes horizontal section and vertical section, one end of the horizontal section is provided with the camera device, the other end is connected with the vertical section, the horizontal section can be lifted on the vertical section, the end of the horizontal section away from the horizontal section points to the center of the floor frame;Wherein, the scanned object is located at the center position of floor frame, the camera device includes camera and base, the camera is fixed on the base, the bottom of the base is provided with screw rod, the screw rod is fixed on the horizontal section;The base can rotate around the screw rod, the horizontal direction of the horizontal section is provided with first sliding groove, the screw rod is fixed in the first sliding groove, the screw rod can move horizontally in the first sliding groove, the vertical direction of the vertical section is provided with second sliding groove, one end of the horizontal section is fixed in the second sliding groove, the horizontal section can move in the sliding groove.

[0004] The above prior art can realize 3D scanning, but in actual use, on the one hand, the position adjustment of the scanning assembly is not flexible enough, the scanning assembly is usually fixedly arranged on the frame, so that there is a dead angle when the scanning assembly scans, thereby affecting the scanning effect of the workpiece, on the other hand, it is difficult to clamp and fix the workpiece, the workpiece may move slightly under the influence of external factors when scanning the workpiece, so that the scanning data is inaccurate, therefore, it does not meet the existing requirements, for this, we propose a 3D scanning machine platform. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of 3D scanning machine platform to solve the problem of the position adjustment of scanning assembly not flexible enough and difficult to clamp and fix workpiece in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a 3D scanning machine platform, including the base, the rear end of base upper end is fixedly arranged with mounting bracket, both sides of the inside of mounting bracket below are provided with limit slot, and the limit slot is open structure, the central position of mounting bracket below is provided with moving seat, both sides of mounting bracket lower extreme are provided with screw rod, and screw rod penetrates moving seat, and the upper end and lower end of screw rod are rotatoryly connected with mounting bracket and base, the front and back of moving seat are provided with mounting plate, the inside of mounting plate is provided with rotary cavity, the inside of rotary cavity is provided with scanning assembly, both sides of mounting plate outside are fixedly provided with rotary motor, and the output shaft of rotary motor extends to the inside of rotary cavity and is fixedly connected with scanning assembly.

[0007] Preferably, the upper end of the mounting bracket is fixedly provided with a servo motor on both sides, the output shaft of the servo motor extends to the lower end of the mounting bracket and is fixedly connected with the screw rod.

[0008] Preferably, the outside of the moving seat is fixedly provided with a clamping block on both sides, one end of the clamping block extends to the inside of the limit slot, and the clamping block is slidingly limited with the limit slot.

[0009] Preferably, the front end of the lower end of the base is fixedly provided with a driving motor, the output shaft of the driving motor extends to the upper side of the base, the upper end of the output shaft of the driving motor is fixedly provided with a scanning table, the inside of the scanning table is provided with four sliding grooves, the sliding grooves are annularly and equidistantly distributed, and the upper end of the sliding groove is an open structure.

[0010] Preferably, the inside of the sliding groove is provided with a threaded rod, the threaded rod is rotatoryly connected with the scanning table, one end of the threaded rod penetrates and extends to the outside of the scanning table, the outside of the threaded rod is sleeved with a clamping plate, the clamping plate is slidingly limited with the sliding groove, and one side of the clamping plate close to the center position of the scanning table is fixedly provided with a rubber pad.

[0011] Preferably, the rear end of the moving seat is fixedly provided with a hydraulic telescopic device, the telescopic end of the hydraulic telescopic device extends to the front end of the moving seat and is fixedly connected with the mounting plate.

[0012] Preferably, the lower end of the base is fixedly provided with a supporting rod at the four corner positions.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] (1) The utility model discloses a screw rod and rotary motor can adjust the position of scanning assembly, when carrying out workpiece scanning, the fixation of workpiece has been completed, at this time, servo motor is started, and the output shaft of servo motor drives the rotation of screw rod, and the mobile seat is moved below the mounting frame through the thread outside screw rod, and the clamping block fixedly connected with the mobile seat moves in the limiting groove, until the mobile seat is adjusted to the appropriate position, at this time, the rotary motor is started again, and the rotary motor drives the rotation of scanning assembly in the rotating cavity, until scanning assembly is rotated to the appropriate angle, thereby avoiding the dead angle in the workpiece scanning process.

[0015] (2) The utility model discloses a threaded rod and clamping plate can be fixed to the workpiece, when carrying out workpiece scanning, first, the workpiece is placed on the scanning table, at this time, the threaded rod is rotated by the operator, and the clamping plate is moved to the workpiece in the sliding slot through the thread outside the threaded rod, until the clamping plate is moved to the appropriate position, at this time, the rubber pad on the clamping plate contacts and forms extrusion with the workpiece, and the clamping of workpiece is completed, at this time, the scanning operation of workpiece is carried out again, avoids the slight movement of workpiece under the interference of external factors, thereby improve the precision of workpiece scanning.

[0016] (3) The utility model discloses a hydraulic telescopic device is set up, can adjust the distance between scanning assembly and workpiece, when carrying out workpiece scanning, scanning assembly has been adjusted to the appropriate position, at this time, the hydraulic telescopic device is started, and the telescopic end of hydraulic telescopic device telescopes, and the mounting plate and scanning assembly are moved together through the telescoping of the telescopic end of hydraulic telescopic device, until scanning assembly is moved to the appropriate position, at this time, scanning assembly can carry out integral irradiation scanning to the workpiece of larger size, improve scanning efficiency, and when scanning the small workpiece, shorten the scanning distance can reduce the measurement error. DRAWINGS

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

[0018] Figure 2 It is the internal structure front view of the utility model;

[0019] Figure 3 It is the internal structure side view of the utility model;

[0020] Figure 4 It is the Figure 3 It is the local enlarged view of A area in the utility model.

[0021] In the figure: 1, base; 2, support rod; 3, mounting frame; 4, servo motor; 5, screw rod; 6, limiting groove; 7, clamping block; 8, moving seat; 9, hydraulic telescopic device; 10, mounting plate; 11, scanning assembly; 12, rotary motor; 13, scanning table; 14, sliding groove; 15, threaded rod; 16, clamping plate; 17, rubber pad; 18, rotating cavity; 19, driving motor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1-4 The utility model provides an embodiment: a 3D scanning machine table, including base 1, the rear end of base 1 upper end is fixedly arranged with mounting frame 3, the inside of mounting frame 3 below two sides are all arranged with limiting groove 6, limiting groove 6 is open structure, the outside of moving seat 8 two sides are all fixedly arranged with clamping block 7, one end of clamping block 7 extends to the inside of limiting groove 6, and clamping block 7 and limiting groove 6 slide limit, the lower end of base 1 four corner positions are all fixedly arranged with support rod 2.

[0024] Please refer to Figure 1 And Figure 2 The center position below mounting frame 3 is provided with moving seat 8, and the two sides of the lower end of mounting frame 3 are provided with screw rod 5, screw rod 5 penetrates moving seat 8, and the upper and lower ends of screw rod 5 are rotatably connected with mounting frame 3 and base 1 respectively, and the front and back of moving seat 8 are provided with mounting plate 10, the inside of mounting plate 10 is provided with rotating cavity 18, the inside of rotating cavity 18 is provided with scanning assembly 11, the two sides of the outside of mounting plate 10 are all fixedly arranged with rotary motor 12, the output shaft of rotary motor 12 extends to the inside of rotating cavity 18 and is fixedly connected with scanning assembly 11, the two sides of the upper end of mounting frame 3 are all fixedly arranged with servo motor 4, the output shaft of servo motor 4 extends to the lower end of mounting frame 3 and is fixedly connected with screw rod 5, so as to adjust the position of scanning assembly 11 through rotary motor 12 and screw rod 5.

[0025] Please refer to Figure 2 And Figure 4The front end of the lower end of the base 1 is fixedly provided with a driving motor 19, the output shaft of the driving motor 19 extends to the upper side of the base 1, the upper end of the output shaft of the driving motor 19 is fixedly provided with a scanning table 13, four sliding grooves 14 are arranged in the scanning table 13, the sliding grooves 14 are annularly and equidistantly distributed, the upper end of the sliding groove 14 is of an open structure, a threaded rod 15 is arranged in the sliding groove 14, the threaded rod 15 is rotatably connected with the scanning table 13, one end of the threaded rod 15 penetrates through and extends to the outside of the scanning table 13, a clamping plate 16 is sleeved on the outside of the threaded rod 15, the clamping plate 16 is slidingly limited by the sliding groove 14, a rubber pad 17 is fixedly arranged on the side of the clamping plate 16 close to the center position of the scanning table 13, wherein the driving motor 19 can drive the scanning table 13 to rotate with the workpiece, so as to facilitate clamping and fixing the workpiece through the threaded rod 15 and the clamping plate 16.

[0026] Please refer to Figure 1 and Figure 3 The rear end of the moving seat 8 is fixedly provided with a hydraulic telescopic device 9, the telescopic end of the hydraulic telescopic device 9 extends to the front end of the moving seat 8 and is fixedly connected with the mounting plate 10, so as to facilitate adjusting the distance between the scanning assembly 11 and the workpiece through the hydraulic telescopic device 9.

[0027] Working principle: when in use, the workpiece is first placed on the scanning table 13, at this time, the operator rotates the threaded rod 15, so that the threaded rod 15 drives the clamping plate 16 to move to the workpiece through the external threads in the sliding groove 14, until the clamping plate 16 is moved to the appropriate position, at this time, the rubber pad 17 on the clamping plate 16 is in contact with and pressed against the workpiece, at this time, the servo motor 4 is turned on, so that the output shaft of the servo motor 4 drives the screw rod 5 to rotate, the moving seat 8 is moved below the mounting frame 3 through the external threads of the screw rod 5, and the clamping block 7 fixedly connected with the moving seat 8 is moved in the limiting groove 6, until the moving seat 8 is adjusted to the appropriate position, at this time, the rotary motor 12 is turned on again, so that the rotary motor 12 drives the scanning assembly 11 to rotate in the rotating cavity 18, until the scanning assembly 11 is rotated to the appropriate angle, at this time, the hydraulic telescopic device 9 is turned on, so that the telescopic end of the hydraulic telescopic device 9 is telescoped, the mounting plate 10 and the scanning assembly 11 are moved together through the telescoping of the telescopic end of the hydraulic telescopic device 9, until the scanning assembly 11 is moved to the appropriate position.

[0028] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A 3D scanning machine comprising a base (1), characterized in that: The rear end of the upper end of the base (1) is fixedly provided with a mounting rack (3), both sides of the inside of the mounting rack (3) are provided with a limiting groove (6), the limiting groove (6) is an open structure, a moving seat (8) is arranged at the center position below the mounting rack (3), both sides of the lower end of the mounting rack (3) are provided with a lead screw (5), the lead screw (5) penetrates the moving seat (8), and the upper end and the lower end of the lead screw (5) are rotatably connected with the mounting rack (3) and the base (1) respectively, the front and rear of the moving seat (8) are provided with a mounting plate (10), the inside of the mounting plate (10) is provided with a rotating cavity (18), the rotating cavity (18) is provided with a scanning assembly (11), both sides of the outside of the mounting plate (10) are fixedly provided with a rotary motor (12), the output shaft of the rotary motor (12) extends to the inside of the rotating cavity (18) and is fixedly connected with the scanning assembly (11).

2. The 3D scanning machine table of claim 1, wherein: The upper end of the mounting rack (3) is fixedly provided with a servo motor (4) on both sides, the output shaft of the servo motor (4) extends to the lower end of the mounting rack (3) and is fixedly connected with the lead screw (5).

3. The 3D scanning machine table of claim 2, wherein: Both sides of the outside of the moving seat (8) are fixedly provided with a clamping block (7), one end of the clamping block (7) extends to the inside of the limiting groove (6), and the clamping block (7) is slidingly limited with the limiting groove (6).

4. The 3D scanning machine table of claim 3, wherein: The front end of the lower end of the base (1) is fixedly provided with a driving motor (19), the output shaft of the driving motor (19) extends above the base (1), the upper end of the output shaft of the driving motor (19) is fixedly provided with a scanning table (13), the inside of the scanning table (13) is provided with four sliding grooves (14), the sliding grooves (14) are annularly and equidistantly distributed, and the upper end of the sliding groove (14) is an open structure.

5. The 3D scanning machine table of claim 4, wherein: The inside of the sliding groove (14) is provided with a threaded rod (15), the threaded rod (15) is rotatably connected with the scanning table (13), one end of the threaded rod (15) penetrates and extends to the outside of the scanning table (13), a clamping plate (16) is arranged on the outside of the threaded rod (15), the clamping plate (16) is slidingly limited with the sliding groove (14), and a rubber pad (17) is fixedly arranged on the side of the clamping plate (16) close to the center position of the scanning table (13).

6. The 3D scanning machine table of claim 5, wherein: The rear end of the moving seat (8) is fixedly provided with a hydraulic telescopic device (9), the telescopic end of the hydraulic telescopic device (9) extends to the front end of the moving seat (8) and is fixedly connected with the mounting plate (10).

7. The 3D scanning machine table of claim 6, wherein: The lower end of the base (1) is fixedly provided with a supporting rod (2) at the four corner positions.

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