3D welding seam scanning device based on welding seam three-dimensional shape detection

By using three-dimensional shape detection technology and positioning components in the weld scanning device, all-round three-dimensional blind spot scanning of the workpiece is achieved, solving the problems of cumbersome and low efficiency in the existing technology, and improving scanning efficiency and accuracy.

CN119984129APending Publication Date: 2025-05-13湖南创研智能装备有限公司
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Patent Information

Application Number
CN202411956937.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-29
Publication Date
2025-05-13

AI Technical Summary

Technical Problem

The existing weld scanning device can only pass single-sided or double-sided scanning, requiring multiple angle adjustments and multiple scans, resulting in cumbersome scanning process and low efficiency.

Method used

Using a 3D weld scanning device based on three-dimensional shape detection of welds, the three-dimensional scanning components and positioning components realize all-round three-dimensional blind spot scanning of the workpiece, simplifying the scanning process.

Benefits of technology

The comprehensive three-dimensional shape detection of the workpiece is achieved, without the need for multi-angle adjustment and multiple scans, greatly improving the efficiency and accuracy of weld scanning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a 3D welding seam scanning device based on welding seam three-dimensional shape detection, and belongs to the technical field of welding seam scanning, the 3D welding seam scanning device comprises a base and a scanning module, a shell is fixedly installed on the top surface of the base, a three-dimensional scanning assembly is arranged on the top surface of the base, a supporting column is fixedly installed at the bottom of the inner wall of the base, and the supporting column is fixedly connected with the scanning module. The supporting column penetrates through a through hole formed in the top face of the base, an assembling assembly is arranged at the top end of the supporting column, a positioning assembly is arranged on the assembling assembly, and a scanning module is arranged on the three-dimensional scanning assembly. According to the three-dimensional welding seam detection device, the three-dimensional scanning assembly is arranged, through the design, three-dimensional shape welding seam detection on the workpiece is effectively achieved, multi-angle adjustment and repeated scanning do not need to be conducted on the workpiece, the tedious welding seam scanning process is simplified, the welding seam scanning efficiency is greatly improved, and the use effect is good.
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Description

Technical Field

[0001] The present invention belongs to the technical field of weld scanning, and in particular relates to a 3D weld scanning device based on weld three-dimensional shape detection. Background Art

[0002] A weld is a gap formed by the melting of welding rods and metal. It requires the use of high temperature of the welding heat source. Welds can be divided into butt welds, fillet welds and plug welds. The forming coefficient is determined by the ratio of the weld width to the calculated weld thickness.

[0003] Nowadays, weld inspection is required for workpieces after welding to ensure the integrity of the welded structure. Most weld scanning devices can only scan one or both sides of the workpiece. If a comprehensive scan of the workpiece is required, it is necessary to adjust the workpiece at multiple angles and scan it multiple times, which makes the weld scanning process cumbersome, greatly reduces the efficiency of weld scanning, and has poor use effect. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that the weld seam of the workpiece needs to be inspected after the welding operation is completed to ensure the integrity of the welded structure. Most weld seam scanning devices can only scan the workpiece on one side or both sides. If the workpiece needs to be fully scanned, it needs to be adjusted at multiple angles and scanned multiple times, which makes the weld seam scanning process cumbersome, greatly reduces the efficiency of weld seam scanning, and has a poor use effect. A 3D weld seam scanning device based on weld three-dimensional shape detection is proposed.

[0005] In order to achieve the above-mentioned objectives, the present invention adopts the following technical scheme: a 3D weld scanning device based on weld three-dimensional shape detection, comprising a base and a scanning module, a shell is fixedly installed on the top surface of the base, a three-dimensional scanning component is arranged on the top surface of the base, a pillar is fixedly installed on the bottom of the inner wall of the base, the pillar passes through a through hole arranged on the top surface of the base, an assembly component is arranged on the top of the pillar, a positioning component is arranged on the assembly component, and a scanning module is arranged on the three-dimensional scanning component.

[0006] As a further description of the above technical solution: The three-dimensional scanning component includes a first forward and reverse motor and a rotating disk. The first forward and reverse motor is fixedly installed at the bottom of the inner wall of the base. A first driving bevel gear is fixedly installed at one end of the output shaft of the first forward and reverse motor. A second driven bevel gear is fixedly installed at the bottom of the rotating disk. The second driven bevel gear is meshed with the first driving bevel gear. A circular groove is provided on the top surface of the base, and the rotating disk is rotatably installed on the inner wall of the circular groove.

[0007] As a further description of the above technical solution: A mounting frame is fixedly mounted on the top surface of the rotating disk, a connecting ring is fixedly mounted on the inner wall of the mounting frame, a gear ring is rotatably mounted on one side of the connecting ring, a second forward and reverse motor is fixedly mounted on the top surface of the rotating disk, and a driving gear is fixedly mounted on one end of the output shaft of the second forward and reverse motor.

[0008] As a further description of the above technical solution: The gear ring is meshed with the driving gear, and the driving gear is rotatably mounted on the outer wall of one side of the mounting frame through a support plate. A sleeve is fixedly mounted on the inner wall of the gear ring, a scanning module is arranged on the inner wall of the sleeve, and a travel groove is arranged on the inner wall of the connecting ring.

[0009] As a further description of the above technical solution: A slider is fixedly mounted on the outer wall of the sleeve, and the slider is slidably mounted on the inner wall of the travel groove. The pillar passes through a through hole set at the bottom of the mounting frame, the pillar passes through a through hole set on the side wall of the connecting ring, and the pillar passes through a through hole set on the outer wall of the second driven bevel gear.

[0010] As a further description of the above technical solution: The positioning assembly includes a protective shell and a connecting rod, a second driving bevel gear is fixedly installed on the outer wall of the connecting rod, threaded rods are fixedly installed at both ends of the connecting rod, and a mounting rod is fixedly installed at the other end of the threaded rod.

[0011] As a further description of the above technical solution: The other end of the mounting rod is rotatably mounted on the inner wall of the protective shell, a threaded ring is threadedly mounted on the outer wall of the threaded rod, a connecting rod is fixedly mounted on the outer wall of the threaded ring, a long plate is fixedly mounted on the top end of the connecting rod, a splint is fixedly mounted on one end of the long plate, and a slide groove is arranged on the top surface of the protective shell.

[0012] As a further description of the above technical solution: The inner wall of the slide groove is slidably connected to the connecting rod, the side wall of the protective shell is provided with a through hole, the inner wall of the through hole is provided with a positioning bead, and the inner wall of the protective shell is rotatably mounted with a driving column.

[0013] As a further description of the above technical solution: A second driving bevel gear is fixedly mounted on one end of the driving column, and the second driving bevel gear is meshingly connected with the second driving bevel gear. The driving column is penetrated by a through hole, and a driving disk is fixedly mounted on the other end of the driving column, and a socket is arranged on the outer wall of the other end of the driving column.

[0014] As a further description of the above technical solution: The assembly component includes a chassis, which is fixedly installed on the top of the pillar. A groove is arranged on the top surface of the chassis, a first magnet disk is fixedly installed on the inner wall of the groove, and a second magnet disk is fixedly installed on the bottom of the protective shell.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: In the present invention, a three-dimensional scanning component is provided, and a door provided on the shell is opened. After the workpiece is placed on the top surface of the protective shell, it is positioned. After positioning, it only needs to start the first forward and reverse motor, and one end of the output shaft of the first forward and reverse motor drives the first driving bevel gear to rotate, and the first driving bevel gear is meshed and connected with the second driven bevel gear, so that the first driving bevel gear drives the second driven bevel gear to rotate synchronously, and the second driven bevel gear rotates while driving the rotating disk to rotate. By adjusting the rotation direction of the first forward and reverse motor, the rotating disk can be rotated 365 degrees to the left or right in the horizontal plane, and the rotating disk drives the mounting frame to rotate while rotating, so that the mounting frame rotates synchronously, and the bottom end of the pillar is fixedly installed on the bottom of the inner wall of the base, and the pillar passes through the through holes provided on the rotating disk, the mounting frame and the connecting ring, and the through holes are rotatably connected with the side walls of the pillar, and the mounting frame rotates synchronously. A housing is provided on the mounting frame, and a scanning module is installed on the housing. When the mounting frame rotates, the scanning module is driven to rotate 365 degrees on the horizontal plane of the workpiece, and the second forward and reverse motor is started synchronously. One end of the output shaft of the second forward and reverse motor drives the driving gear to rotate, and the driving gear is meshed with the gear ring, so that the driving gear drives the gear ring to rotate. The housing is fixedly mounted on the inner wall of the gear ring, and the gear ring rotates while driving the housing to rotate. The housing can synchronously drive the scanning module to rotate 365 degrees longitudinally. The rotation direction and speed of the first forward and reverse motor and the second forward and reverse motor can be adjusted to achieve a comprehensive three-dimensional scanning of the workpiece without dead angles. Through this design, the three-dimensional shape detection of the workpiece weld is effectively realized without the need to adjust it at multiple angles and scan it multiple times, which simplifies the cumbersome weld scanning process, greatly increases the efficiency of weld scanning, and has a good use effect.

[0016] 2. In the present invention, a positioning assembly is provided, and the driving disk is rotated to drive the driving column to rotate. The driving column rotates and the second driving bevel gear is driven to rotate at the same time. The second driving bevel gear is meshed with the second driving bevel gear, so that the second driving bevel gear rotates and the second driving bevel gear is driven to rotate synchronously. The second driving bevel gear synchronously drives the connecting rod to rotate. Threaded rods are provided at both ends of the connecting rod. The connecting rod rotates and the threaded rod is driven to rotate. A threaded ring is threadedly installed on the outer wall of the threaded rod. The inner wall of the threaded ring is threadedly connected to the threaded rod. When the threaded rod rotates, the threaded ring is driven to rotate on the threaded rod. The outer wall is displaced, and the long plate is displaced by the connecting rod when the threaded ring rotates. The connecting rod is slidably connected to the inner wall of the slide groove, which prevents the threaded ring from being driven to rotate by the threaded rod. The long plate is displaced and the clamping plate is displaced at the same time, and the workpiece placed on the top surface of the protective shell is fixed by the clamping plate. The driving column passes through the through-hole, and a positioning bead is provided on the through-hole. The driving column can be effectively limited by the positioning bead and the jack set on the outer wall of the driving column when it is not rotating. Through this design, the workpiece to be scanned is effectively positioned, and the workpiece is prevented from being offset during the scanning operation, which greatly improves the scanning accuracy and has a good use effect.

[0017] 3. In the present invention, an assembly component is provided. Since a first magnet disk is installed in a groove provided on the chassis, and a second magnet disk is provided on the bottom of the protective shell, the first magnet disk and the second magnet disk attract each other. Before the workpiece is positioned on the top surface of the protective shell, the protective shell can be directly pulled, and the second magnet disk at the bottom of the protective shell is separated from the first magnet disk. After the workpiece is positioned, the protective shell is directly placed on the chassis, and the protective shell is fixed on the chassis by the magnetic attraction between the first magnet disk and the second magnet disk. Through this design, it is effectively realized that the workpiece positioning operation can be more convenient, the practicability of the device is improved, and the use effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of a 3D weld scanning device based on weld three-dimensional shape detection.

[0019] Figure 2 It is a schematic diagram of the split three-dimensional structure of the three-dimensional scanning component and the base in a 3D weld scanning device based on weld three-dimensional shape detection.

[0020] Figure 3 It is a schematic diagram of the stereoscopic structure of a three-dimensional scanning component in a 3D weld scanning device based on weld three-dimensional shape detection.

[0021] Figure 4 It is a schematic diagram of the partially exploded three-dimensional structure of a three-dimensional scanning component in a 3D weld scanning device based on weld three-dimensional shape detection.

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of a positioning component in a 3D weld scanning device based on weld three-dimensional shape detection.

[0023] Figure 6 This is a schematic diagram of the internal structure of a protective shell in a 3D weld scanning device based on weld three-dimensional shape detection.

[0024] Figure 7 It is a schematic diagram of the three-dimensional structure of a protective shell in a 3D weld scanning device based on weld three-dimensional shape detection.

[0025] Figure 8 Schematic diagram of the exploded three-dimensional structure of the assembly components in a 3D weld scanning device based on weld three-dimensional shape detection Fig. 9 This is a schematic diagram of the enlarged structure of point A in a 3D weld scanning device based on weld three-dimensional shape detection.

[0026] Fig.10 This is a schematic diagram of the enlarged structure of point B in a 3D weld scanning device based on weld three-dimensional shape detection.

[0027] Legend: 1. Base; 2. Shell; 3. Shell; 4. Scanning module; 5. 3D scanning component; 51. Circular groove; 52. Rotating disk; 53. Mounting frame; 54. First forward and reverse motor; 55. First driving bevel gear; 56. Second driven bevel gear; 57. Second forward and reverse motor; 58. Driving gear; 59. Gear ring; 510. Connecting ring; 511. Travel groove; 6. Positioning component; 61. Protective shell; 62. Driving disk; 63. Long board; 64. Clamp; 65. Driving column; 66. Second driving bevel gear; 67. Second driving bevel gear; 68. Connecting rod; 69. Threaded rod; 610. Threaded ring; 611. Mounting rod; 612. Slide groove; 613. Socket; 614. Positioning bead; 615. Perforation; 7. Assembly component; 71. Chassis; 72. First magnet disk; 73. Second magnet disk; 74. Groove; 8. Pillar. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-10The present invention provides a technical solution: a 3D weld scanning device based on weld three-dimensional shape detection, comprising a base 1 and a scanning module 4, a housing 2 is fixedly mounted on the top surface of the base 1, a three-dimensional scanning component 5 is arranged on the top surface of the base 1, a pillar 8 is fixedly mounted on the bottom of the inner wall of the base 1, the pillar 8 passes through a through hole arranged on the top surface of the base 1, an assembly component 7 is arranged on the top of the pillar 8, a positioning component 6 is arranged on the assembly component 7, and a scanning module 4 is arranged on the three-dimensional scanning component 5; The three-dimensional scanning component 5 includes a first forward and reverse motor 54 and a rotating disk 52. The first forward and reverse motor 54 is fixedly installed at the bottom of the inner wall of the base 1. A first driving bevel gear 55 is fixedly installed at one end of the output shaft of the first forward and reverse motor 54. A second driven bevel gear 56 is fixedly installed at the bottom of the rotating disk 52. The second driven bevel gear 56 is meshedly connected with the first driving bevel gear 55. A circular groove 51 is provided on the top surface of the base 1. The rotating disk 52 is rotatably installed on the inner wall of the circular groove 51. A mounting frame 53 is fixedly installed on the top surface of the rotating disk 52. A connecting ring 510 is fixedly installed on the inner wall of the mounting frame 53. A gear ring 59 is rotatably installed on one side of the connecting ring 510. A second forward and reverse motor 57 is fixedly installed, and a driving gear 58 is fixedly installed on one end of the output shaft of the second forward and reverse motor 57. The gear ring 59 is meshedly connected with the driving gear 58. The driving gear 58 is rotatably installed on the outer wall of one side of the mounting frame 53 through a support plate. A sleeve shell 3 is fixedly installed on the inner wall of the gear ring 59. A scanning module 4 is arranged on the inner wall of the sleeve shell 3. A travel groove 511 is arranged on the inner wall of the connecting ring 510. A slider is fixedly installed on the outer wall of the sleeve shell 3. The slider is slidably installed on the inner wall of the travel groove 511. The pillar 8 passes through the through hole arranged at the bottom of the mounting frame 53, the pillar 8 passes through the through hole arranged on the side wall of the connecting ring 510, and the pillar 8 passes through the through hole arranged on the outer wall of the second driven bevel gear 56; The specific implementation example is as follows: open the door provided on the shell 2, place the workpiece on the top surface of the protective shell 61, and then position it. After positioning, it is only necessary to start the first forward and reverse motor 54. One end of the output shaft of the first forward and reverse motor 54 drives the first driving bevel gear 55 to rotate. The first driving bevel gear 55 is meshedly connected with the second driven bevel gear 56, so that the first driving bevel gear 55 drives the second driven bevel gear 56 to rotate synchronously. When the second driven bevel gear 56 rotates, it drives the rotating disk 52 to rotate. By adjusting the rotation direction of the first forward and reverse motor 54, the rotating disk 52 can be rotated 365 degrees to the left or right in the horizontal plane. When the rotating disk 52 rotates, it drives the mounting frame 53 to rotate, so that the mounting frame 53 rotates synchronously. The bottom end of the pillar 8 is fixedly mounted on the bottom of the inner wall of the base 1, and the pillar 8 runs through the rotating disk 52 and the mounting frame 53. The through hole arranged on the frame 53 and the connecting ring 510 is rotatably connected with the side wall of the pillar 8. A casing 3 is arranged on the mounting frame 53, and a scanning module 4 is installed on the casing 3. When the mounting frame 53 rotates, the scanning module 4 is driven to rotate 365 degrees on the horizontal plane of the workpiece, and the second forward and reverse motor 57 is started synchronously. One end of the output shaft of the second forward and reverse motor 57 drives the driving gear 58 to rotate. The driving gear 58 is meshed with the gear ring 59, so that the driving gear 58 drives the gear ring 59 to rotate. The casing 3 is fixedly mounted on the inner wall of the gear ring 59. When the gear ring 59 rotates, the casing 3 is driven to rotate. The casing 3 can synchronously drive the scanning module 4 to rotate 365 degrees longitudinally. The rotation direction and speed of the first forward and reverse motor 54 and the second forward and reverse motor 57 can be adjusted to achieve a comprehensive three-dimensional scanning of the workpiece without dead angles.

[0030] The positioning assembly 6 includes a protective shell 61 and a connecting rod 68, a second driving bevel gear 67 is fixedly installed on the outer wall of the connecting rod 68, threaded rods 69 are fixedly installed at both ends of the connecting rod 68, a mounting rod 611 is fixedly installed at the other end of the threaded rod 69, and the other end of the mounting rod 611 is rotatably installed on the inner wall of the protective shell 61, a threaded ring 610 is threadedly installed on the outer wall of the threaded rod 69, a connecting rod is fixedly installed on the outer wall of the threaded ring 610, a long plate 63 is fixedly installed on the top of the connecting rod, a clamping plate 64 is fixedly installed on one end of the long plate 63, and a clamping plate 64 is fixedly installed on the top surface of the protective shell 61. A slide groove 612 is provided, and the inner wall of the slide groove 612 is slidably connected with the connecting rod. A through hole 615 is provided on the side wall of the protective shell 61, and a positioning bead 614 is provided on the inner wall of the through hole 615. A driving column 65 is rotatably installed on the inner wall of the protective shell 61, and a second driving bevel gear 66 is fixedly installed on one end of the driving column 65. The second driving bevel gear 66 is meshedly connected with the second driving bevel gear 67. The driving column 65 passes through the through hole 615, and a driving disk 62 is fixedly installed on the other end of the driving column 65. A plug hole 613 is provided on the outer wall of the other end of the driving column 65; The specific embodiment is as follows: by rotating the driving disk 62, the driving disk 62 drives the driving column 65 to rotate, and the driving column 65 drives the second driving bevel gear 66 to rotate while rotating, and the second driving bevel gear 66 is meshed with the second driving bevel gear 67, so that the second driving bevel gear 66 rotates while driving the second driving bevel gear 67 to rotate synchronously, and the second driving bevel gear 67 synchronously drives the connecting rod 68 to rotate, and both ends of the connecting rod 68 are provided with threaded rods 69, and the connecting rod 68 rotates while driving the threaded rod 69 to rotate, and a threaded ring 610 is threadedly installed on the outer wall of the threaded rod 69, and the inner wall of the threaded ring 610 is threadedly connected to the threaded rod 69. Then, when the threaded rod 69 rotates, the threaded ring 610 is driven to move on the outer wall of the threaded rod 69. When the threaded ring 610 rotates, the long plate 63 is driven to move through the connecting rod. The connecting rod is slidably connected to the inner wall of the slide groove 612, which prevents the threaded ring 610 from being driven to rotate by the threaded rod 69. When the long plate 63 is displaced, the clamping plate 64 is also driven to move. The workpiece placed on the top surface of the protective shell 61 is fixed by the clamping plate 64. The driving column 65 passes through the through hole 615. The through hole 615 is provided with a positioning bead 614. The driving column 65 can be effectively limited when it is not rotating through the positioning bead 614 and the socket 613 provided on the outer wall of the driving column 65.

[0031] The assembly component 7 includes a chassis 71, which is fixedly mounted on the top of the support 8. A groove 74 is provided on the top surface of the chassis 71, and a first magnet disk 72 is fixedly mounted on the inner wall of the groove 74. A second magnet disk 73 is fixedly mounted on the bottom of the protective shell 61. The specific embodiment is as follows: since the first magnet disk 72 is installed in the groove 74 provided on the chassis 71, and the bottom of the protective shell 61 is provided with the second magnet disk 73, the first magnet disk 72 and the second magnet disk 73 attract each other, and before the workpiece is positioned on the top surface of the protective shell 61, the protective shell 61 can be directly pulled, and the second magnet disk 73 at the bottom of the protective shell 61 is separated from the first magnet disk 72. After the workpiece is positioned, the protective shell 61 is directly placed on the chassis 71, and the protective shell 61 is fixed on the chassis 71 by the magnetic attraction between the first magnet disk 72 and the second magnet disk 73.

[0032] Working principle: open the door provided on the shell 2, place the workpiece on the top surface of the protective shell 61, and position it. After positioning, it is only necessary to start the first forward and reverse motor 54. One end of the output shaft of the first forward and reverse motor 54 drives the first driving bevel gear 55 to rotate. The first driving bevel gear 55 is meshed with the second driven bevel gear 56, so that the first driving bevel gear 55 drives the second driven bevel gear 56 to rotate synchronously. When the second driven bevel gear 56 rotates, it drives the rotating disk 52 to rotate. By adjusting the rotation direction of the first forward and reverse motor 54, the rotating disk 52 can be rotated 365 degrees to the left or right on the horizontal plane. When the rotating disk 52 rotates, it drives the mounting frame 53 to rotate, so that the mounting frame 53 rotates synchronously, and the bottom end of the pillar 8 It is fixedly mounted on the bottom of the inner wall of the base 1, and the pillar 8 passes through the through holes set on the rotating disk 52, the mounting frame 53 and the connecting ring 510, and the through holes are rotatably connected with the side walls of the pillar 8. A casing 3 is arranged on the mounting frame 53, and a scanning module 4 is installed on the casing 3. When the mounting frame 53 rotates, the scanning module 4 is driven to rotate 365 degrees on the horizontal plane of the workpiece, and the second forward and reverse motor 57 is started synchronously. One end of the output shaft of the second forward and reverse motor 57 drives the driving gear 58 to rotate. The driving gear 58 is meshed with the gear ring 59, so that the driving gear 58 drives the gear ring 59 to rotate. The casing 3 is fixedly mounted on the inner wall of the gear ring 59. When the gear ring 59 rotates, the casing 3 is driven to rotate. The casing 3 can synchronously drive the scanning module Group 4 can rotate 365 degrees longitudinally, and can realize all-round three-dimensional scanning of the workpiece without dead angle by adjusting the rotation direction and speed of the first forward and reverse motor 54 and the second forward and reverse motor 57. By rotating the driving disk 62, the driving disk 62 drives the driving column 65 to rotate, and the driving column 65 drives the second driving bevel gear 66 to rotate while rotating. The second driving bevel gear 66 is meshed with the second driving bevel gear 67, so that the second driving bevel gear 66 rotates while driving the second driving bevel gear 67 to rotate synchronously, and the second driving bevel gear 67 synchronously drives the connecting rod 68 to rotate. Threaded rods 69 are provided at both ends of the connecting rod 68. The connecting rod 68 drives the threaded rod 69 to rotate while rotating. The outer wall of the threaded rod 69 is threadedly installed There is a threaded ring 610, the inner wall of the threaded ring 610 is threadedly connected with the threaded rod 69, when the threaded rod 69 rotates, the threaded ring 610 is driven to move on the outer wall of the threaded rod 69, and the threaded ring 610 rotates and drives the long plate 63 to move through the connecting rod, and the connecting rod is slidably connected with the inner wall of the slide groove 612, so that the threaded ring 610 is prevented from being driven to rotate by the threaded rod 69, and the long plate 63 is displaced while the clamping plate 64 is displaced, and the workpiece placed on the top surface of the protective shell 61 is fixed by the clamping plate 64, and the driving column 65 passes through the through hole 615, and the through hole 615 is provided with a positioning bead 614, and the driving column 65 can be effectively limited when it does not rotate through the positioning bead 614 and the socket 613 provided on the outer wall of the driving column 65.Because the first magnet disk 72 is installed in the groove 74 provided on the chassis 71, and the second magnet disk 73 is provided at the bottom of the protective shell 61, the first magnet disk 72 and the second magnet disk 73 attract each other. Before the workpiece is positioned on the top surface of the protective shell 61, the protective shell 61 can be directly pulled, and the second magnet disk 73 at the bottom of the protective shell 61 is separated from the first magnet disk 72. After the workpiece is positioned, the protective shell 61 is directly placed on the chassis 71, and the protective shell 61 is fixed on the chassis 71 by the magnetic attraction between the first magnet disk 72 and the second magnet disk 73.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A 3D weld scanning device based on weld three-dimensional shape detection, comprising a base (1) and a scanning module (4), characterized in that: A housing (2) is fixedly mounted on the top surface of the base (1), a three-dimensional scanning component (5) is arranged on the top surface of the base (1), a support (8) is fixedly mounted on the bottom of the inner wall of the base (1), the support (8) passes through a through hole arranged on the top surface of the base (1), an assembly component (7) is arranged on the top of the support (8), a positioning component (6) is arranged on the assembly component (7), and a scanning module (4) is arranged on the three-dimensional scanning component (5).

2. A 3D weld scanning device based on weld three-dimensional shape detection according to claim 1, characterized in that: The three-dimensional scanning assembly (5) comprises a first forward and reverse motor (54) and a rotating disk (52); the first forward and reverse motor (54) is fixedly mounted on the bottom of the inner wall of the base (1); a first driving bevel gear (55) is fixedly mounted on one end of the output shaft of the first forward and reverse motor (54); a second driven bevel gear (56) is fixedly mounted on the bottom of the rotating disk (52); the second driven bevel gear (56) is meshingly connected to the first driving bevel gear (55); a circular groove (51) is provided on the top surface of the base (1); and the rotating disk (52) is rotatably mounted on the inner wall of the circular groove (51).

3. The 3D weld scanning device based on weld three-dimensional shape detection according to claim 2, characterized in that: A mounting frame (53) is fixedly mounted on the top surface of the rotating disk (52); a connecting ring (510) is fixedly mounted on the inner wall of the mounting frame (53); a gear ring (59) is rotatably mounted on one side of the connecting ring (510); a second forward and reverse motor (57) is fixedly mounted on the top surface of the rotating disk (52); and a driving gear (58) is fixedly mounted on one end of an output shaft of the second forward and reverse motor (57).

4. The 3D weld scanning device based on weld three-dimensional shape detection according to claim 3, characterized in that: The gear ring (59) is meshingly connected with the driving gear (58); the driving gear (58) is rotatably mounted on the outer wall of one side of the mounting frame (53) via a support plate; a sleeve (3) is fixedly mounted on the inner wall of the gear ring (59); a scanning module (4) is arranged on the inner wall of the sleeve (3); and a travel groove (511) is arranged on the inner wall of the connecting ring (510).

5. A 3D weld scanning device based on weld three-dimensional shape detection according to claim 4, characterized in that: A slider is fixedly mounted on the outer wall of the sleeve (3), and the slider is slidably mounted on the inner wall of the travel groove (511). The pillar (8) passes through a through hole provided at the bottom of the mounting frame (53), the pillar (8) passes through a through hole provided on the side wall of the connecting ring (510), and the pillar (8) passes through a through hole provided on the outer wall of the second driven bevel gear (56).

6. The 3D weld scanning device based on weld three-dimensional shape detection according to claim 5, characterized in that: The positioning assembly (6) comprises a protective shell (61) and a connecting rod (68); a second driving bevel gear (67) is fixedly mounted on the outer wall of the connecting rod (68); threaded rods (69) are fixedly mounted on both ends of the connecting rod (68); and a mounting rod (611) is fixedly mounted on the other end of the threaded rod (69).

7. The 3D weld scanning device based on weld three-dimensional shape detection according to claim 6, characterized in that: The other end of the mounting rod (611) is rotatably mounted on the inner wall of the protective shell (61); a threaded ring (610) is threadedly mounted on the outer wall of the threaded rod (69); a connecting rod is fixedly mounted on the outer wall of the threaded ring (610); a long plate (63) is fixedly mounted on the top end of the connecting rod; a clamping plate (64) is fixedly mounted on one end of the long plate (63); and a sliding groove (612) is provided on the top surface of the protective shell (61).

8. The 3D weld scanning device based on weld three-dimensional shape detection according to claim 7, characterized in that: The inner wall of the slide groove (612) is slidably connected to the connecting rod, a through hole (615) is provided on the side wall of the protective shell (61), a positioning bead (614) is provided on the inner wall of the through hole (615), and a driving column (65) is rotatably mounted on the inner wall of the protective shell (61).

9. The 3D weld scanning device based on weld three-dimensional shape detection according to claim 8, characterized in that: A second driving bevel gear (66) is fixedly mounted on one end of the driving column (65), the second driving bevel gear (66) is meshingly connected with a second driving bevel gear (67), a through hole (615) passes through the driving column (65), a driving disk (62) is fixedly mounted on the other end of the driving column (65), and a plug hole (613) is provided on the outer wall of the other end of the driving column (65).

10. The 3D weld scanning device based on weld three-dimensional shape detection according to claim 9, characterized in that: The assembly component (7) comprises a chassis (71), the chassis (71) being fixedly mounted on the top of the pillar (8), a groove (74) being provided on the top surface of the chassis (71), a first magnet disk (72) being fixedly mounted on the inner wall of the groove (74), and a second magnet disk (73) being fixedly mounted on the bottom of the protective shell (61).