Large workpiece positioning and machining device based on 3D vision

Abstract

The utility model discloses a large-scale workpiece positioning and processing device based on 3D vision, which relates to the technical field of large-scale workpiece processing and comprises a truss assembly, the truss assembly is of a square frame structure, and a fixed rotating structure is mounted in the middle of the interior of the truss assembly; the top of the truss assembly is fixedly connected with two symmetrical mounting rails distributed in parallel, the top of the truss assembly is slidably connected with a sliding strip, the bottom of the sliding strip is fixedly connected with a connecting rod, and the bottom of the connecting rod is fixedly connected with 3D scanning cameras distributed at equal intervals. According to the large workpiece positioning and machining device based on the 3D vision, the positioning and machining device based on the 3D vision and a mechanical arm work cooperatively through automatic scanning, coordinate recognition and mechanical arm, traditional manual surveying and mapping and programming import links are completely replaced, errors caused by experience, fatigue or state fluctuation in manual operation are avoided, meanwhile, the labor intensity is greatly reduced, and the working efficiency is improved. The production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of large workpiece processing technology, specifically a large workpiece positioning and processing device based on 3D vision. Background Technology

[0002] With the development of science and technology and the continuous innovation of technology, vision technology is being applied more and more widely in various fields, significantly improving the accuracy and efficiency of inspection. Traditional methods for handling irregularly shaped workpieces rely on manual surveying, modeling, and programming, which suffers from high labor intensity, susceptibility to subjective factors in inspection results, and extremely low accuracy. In contrast, machine vision-based inspection and positioning systems, through image preprocessing, binarization, and feature extraction, can accurately identify the contour shape of workpieces, greatly improving the reliability and speed of inspection.

[0003] Traditional machining processes involve manual surveying, modeling, and programming to use multi-axis machining centers for processing. The effectiveness of manual surveying is affected by factors such as employee skill, work status, and experience, resulting in low inspection efficiency. Summary of the Invention

[0004] The purpose of this invention is to provide a large workpiece positioning and processing device based on 3D vision, so as to solve the problem that the manual surveying effect is affected by factors such as employee quality, work status, and experience, resulting in low detection efficiency in the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a large workpiece positioning and processing device based on 3D vision, comprising a truss assembly, wherein the truss assembly is a square frame structure, and a fixed rotating structure is installed in the middle of the truss assembly.

[0006] The top of the truss assembly is fixedly connected to two symmetrical and parallel mounting rails, and the top of the truss assembly is slidably connected to a slide bar. The bottom of the slide bar is fixedly connected to a connecting rod, and the bottom of the connecting rod is fixedly connected to equidistantly distributed 3D scanning cameras.

[0007] Preferably, a drive assembly is fixedly connected in the middle of the slide bar. The drive assembly includes a motor and a reducer connected to the motor. The reducer has two symmetrical output ends, and both output ends are connected to a transmission rod.

[0008] Preferably, the transmission rods are perpendicular to the mounting rail, and pulleys are installed at the ends of both transmission rods, with the pulleys rolling on the top of the mounting rail.

[0009] Preferably, the fixed rotating structure includes a first fixed seat installed in the middle of the truss assembly, and a rotating platform is fixedly connected to the top of the first fixed seat, and the rotating platform is driven by a motor.

[0010] Preferably, the top of the rotary table is detachably connected to a mounting bracket, and a processing part is mounted on the top of the mounting bracket.

[0011] Preferably, one side of the mounting bracket is fixedly connected with equidistant guide rails, and each guide rail is slidably connected with a baffle.

[0012] Preferably, a second fixed seat is installed on one side of the first fixed seat, and the second fixed seat is located inside the truss assembly. A six-axis robotic arm is rotatably connected to the top of the second fixed seat, and a drilling assembly is fixedly connected to the end of the six-axis robotic arm.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This large workpiece positioning and processing device based on 3D vision completely replaces the traditional manual surveying and programming import process through automated scanning, coordinate recognition and collaborative operation with a robotic arm. It avoids errors caused by experience, fatigue or state fluctuations in manual operation, while significantly reducing labor intensity and improving production efficiency.

[0015] 3D scanning cameras can accurately acquire the spatial coordinates and contour data of workpieces, reducing errors, solving the problem of low accuracy in traditional manual surveying, ensuring standardization of the processing process, and significantly improving the product qualification rate. Attached Figure Description

[0016] Figure 1 This is a front view structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the 3D scanning camera structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the first fixed base structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the six-axis robotic arm structure of this utility model.

[0020] In the diagram: 1. Truss assembly; 2. Mounting rail; 3. Slide bar; 4. Drive assembly; 5. Transmission rod; 6. Pulley; 7. Connecting rod; 8. 3D scanning camera; 9. First fixed seat; 10. Rotary table; 11. Mounting bracket; 12. Machining part; 13. Second fixed seat; 14. Six-axis robotic arm; 15. Drilling assembly; 16. Baffle. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1: Please refer to Figure 1 - Figure 4 The present invention provides the following technical solution:

[0023] A large workpiece positioning and processing device based on 3D vision includes a truss assembly 1, which is a square frame structure with a fixed rotating structure installed in the middle of the truss assembly 1. Two symmetrically and parallelly distributed mounting rails 2 are fixedly connected to the top of the truss assembly 1, and a slide bar 3 is slidably connected to the top of the truss assembly 1. A connecting rod 7 is fixedly connected to the bottom of the slide bar 3, and equidistantly distributed 3D scanning cameras 8 are fixedly connected to the bottom of the connecting rod 7. A drive assembly 4 is fixedly connected to the middle of the slide bar 3. The drive assembly 4 includes a motor and a reducer connected to the motor. The reducer has two symmetrical output ends, and each output end is driven by a transmission rod 5. The transmission rods 5 are perpendicular to the mounting rails 2, and both ends of the transmission rods 5 are mounted on... The assembly is equipped with pulleys 6, which are rolled on the top of the mounting rail 2. The fixed rotating structure includes a first fixed seat 9 installed in the middle of the truss assembly 1, and a rotating table 10 is fixedly connected to the top of the first fixed seat 9. The rotating table 10 is driven by a motor. A mounting bracket 11 is detachably connected to the top of the rotating table 10, and a processing part 12 is installed on the top of the mounting bracket 11. Equally spaced guide rails are fixedly connected to one side of the mounting bracket 11, and a baffle 16 is slidably connected inside each guide rail. A second fixed seat 13 is installed on one side of the first fixed seat 9, and the second fixed seat 13 is located inside the truss assembly 1. A six-axis robotic arm 14 is rotatably connected to the top of the second fixed seat 13, and a drilling assembly 15 is fixedly connected to the end of the six-axis robotic arm 14.

[0024] Truss assembly 1 and visual positioning module: Truss assembly 1 is a square frame structure with a hollow interior. Two parallel and symmetrical mounting rails 2 are fixedly installed on the top. Slide bar 3 is slidably connected to the mounting rails 2 through pulleys 6. Multiple equidistantly distributed 3D scanning cameras 8 are fixedly installed at the bottom of slide bar 3 through connecting rods 7.

[0025] The middle part of the slide bar 3 is equipped with a drive assembly 4, which includes a motor and a reducer. The output shafts at both ends of the reducer are connected to the pulley 6 through the transmission rod 5. When the drive assembly 4 is started, the transmission rod 5 drives the pulley 6 to roll along the mounting rail 2, realizing the horizontal movement of the slide bar 3, so that the 3D scanning camera 8 can perform a full-coverage scan of the workpiece below.

[0026] The fixed rotating truss assembly 1 has a first fixed seat 9 in the middle inside, and a motor-driven rotary table 10 is installed on its top. The rotary table 10 is detachably connected to the mounting bracket 11 for fixing the workpiece 12.

[0027] After one side of the workpiece 12 is processed, the rotary table 10 drives the workpiece to rotate 180°, so that the six-axis robotic arm 14 can process the other side. The first fixed seat 9 of the six-axis robotic arm processing module is provided with a second fixed seat 13 on one side, and the six-axis robotic arm 14 is installed on the top of it and the drilling assembly 15 is fixed at the end. The robotic arm performs high-precision drilling operation according to the coordinate data obtained by the 3D scanning camera 8.

[0028] Mounting bracket 11 is used to assist in fixing workpieces 12 of different sizes. Large workpieces are placed on mounting bracket 11 manually, and their position is adjusted and fixed by baffle 16. Drive component 4 drives slide bar 3 to move along mounting rail 2. 3D scanning camera 8 performs 3D scanning on workpiece, obtains spatial coordinate data and transmits it to control system. Six-axis robotic arm 14 operates drilling component 15 to drill holes in workpiece according to coordinate data. After processing on one side is completed, rotary table 10 rotates 180° and repeats the steps to complete processing on the other side.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" or "linked" should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral connection; it can refer to a mechanical connection or an electrical connection; it can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A large workpiece positioning and processing device based on 3D vision, comprising a truss assembly (1), wherein the truss assembly (1) is a square frame structure and a fixed rotating structure is installed in the middle of the truss assembly (1); characterized in that The top of the truss assembly (1) is fixedly connected to two symmetrical and parallel mounting rails (2), and the top of the truss assembly (1) is slidably connected to a slide bar (3). The bottom of the slide bar (3) is fixedly connected to a connecting rod (7), and the bottom of the connecting rod (7) is fixedly connected to equidistant 3D scanning cameras (8).

2. The large workpiece positioning and processing device based on 3D vision according to claim 1, characterized in that: The slider (3) is fixedly connected to a drive assembly (4). The drive assembly (4) includes a motor and a reducer connected to the motor. The reducer has two symmetrical output ends, and both output ends are connected to a transmission rod (5).

3. The large workpiece positioning and machining device based on 3D vision of claim 2, wherein: The transmission rod (5) is perpendicular to the mounting rail (2), and pulleys (6) are installed at the ends of both transmission rods (5). The pulleys (6) are rolled on the top of the mounting rail (2).

4. The large workpiece positioning and machining device based on 3D vision of claim 1, wherein: The fixed rotating structure includes a first fixed seat (9) installed in the middle of the truss assembly (1), and a rotating platform (10) is fixedly connected to the top of the first fixed seat (9), and the rotating platform (10) is driven by a motor.

5. The large workpiece positioning and machining device based on 3D vision of claim 4, wherein: The top of the rotary table (10) is detachably connected to a mounting bracket (11), and a processing part (12) is mounted on the top of the mounting bracket (11).

6. The large workpiece positioning and machining device based on 3D vision of claim 5, wherein: The mounting bracket (11) is fixedly connected to one side of equidistant guide rails, and each guide rail is slidably connected to a baffle (16).

7. The large workpiece positioning and machining device based on 3D vision of claim 6, wherein: A second fixed seat (13) is installed on one side of the first fixed seat (9), and the second fixed seat (13) is located inside the truss assembly (1). A six-axis robotic arm (14) is rotatably connected to the top of the second fixed seat (13), and a drilling assembly (15) is fixedly connected to the end of the six-axis robotic arm (14).

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