Metal plate cutting mechanism based on 3D machine vision system
By introducing 3D machine vision system, fixtures and arc tracks into the sheet metal cutting mechanism, automatic adjustment of sheet metal cutting angle is achieved, solving the problems of low cutting accuracy and low efficiency in the existing technology, and significantly improving Sheet metal cutting efficiency.
Patent Information
- Application Number
- CN202411849029.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-02-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the sheet metal cutting process, the cutting accuracy of the sheet metal inclined angle in the prior art is low, and a lot of manual adjustment is required, resulting in low cutting efficiency.
The sheet metal cutting mechanism based on the 3D machine vision system is adopted, and the sheet metal cutting angle is automatically adjusted using vision sensors, and the angle is accurately adjusted through fixtures and arc tracks.
Improve the accuracy and cutting efficiency of sheet metal angle adjustment, reducing the need for manual adjustment.
Smart Images
Figure CN119387719A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of sheet metal cutting, and more specifically, to a sheet metal cutting mechanism based on a 3D machine vision system. Background Art
[0002] High-voltage boxes and cabinets are generally made of high-strength sheet metal. During the preparation process, it is often necessary to cut the sheet metal into bevels of different angles according to the shape of the high-voltage box or cabinet to ensure the assembly of the high-voltage box or cabinet. At present, in the process of sheet metal cutting, the employees generally measure the angles of such bevels themselves and adjust the angles, and the adjustment accuracy is relatively low. Faced with the need to cut a large number of sheet metals, the angle of each sheet metal needs to be adjusted manually one by one, which undoubtedly reduces the efficiency of sheet metal cutting. Summary of the invention
[0003] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a sheet metal cutting mechanism based on a 3D machine vision system.
[0004] To achieve the above-mentioned purpose, the present invention provides a sheet metal cutting mechanism based on a 3D machine vision system, whose structure includes a cutting table, and its innovation lies in: a visual sensor is provided directly above the cutting table, and the cutting table is provided with a visual sensor for observing a reference line of the object angle, and fixing parts are provided on both sides of the reference line, and a sheet metal cutting station is formed between the two fixing parts, and a sheet metal cutting groove is provided on the cutting station. When the sheet metal is located at the cutting station, the two fixing parts fix both ends of the sheet metal at the same time, and the two fixing parts are synchronously rotatably arranged on the cutting table, a dynamic line is provided on the connecting line between the two fixing parts, and a reference line that is always parallel to the dynamic line is provided on the outer side of the cutting station.
[0005] Furthermore, symmetrical arc tracks are provided at both ends of the above-mentioned reference line, and two fixing members are movably arranged on the arc tracks.
[0006] Furthermore, the fixing member includes a base and an adjusting screw, the base is provided with an inverted L-shaped bracket, the adjusting screw is threadedly connected to the short side of the L-shaped bracket, and a soft cushion block is provided at the bottom of the adjusting screw; A sliding block is arranged at the bottom of the base, and the sliding block is slidably arranged on the arc track.
[0007] Furthermore, an arc groove is provided at the center position of the above-mentioned arc track, an extension rod extending below the arc groove is provided at the bottom of the slider, a connecting rod is provided between the two extension rods, the connecting rod is rotatably set at the bottom of the cutting table, and the reference line is always parallel to the connecting rod.
[0008] Furthermore, the above-mentioned reference line is a positioning rod rotatably arranged on the cutting table, a rotating shaft A is provided at the connection between the positioning rod and the cutting table, the rotating shaft A extends below the cutting table, a rotating shaft B is provided at the connection between the connecting rod and the cutting table, and a driving member is provided at the bottom of the cutting table for synchronously driving the rotating shafts A and B to rotate.
[0009] Furthermore, the above-mentioned driving member includes a cylinder and a gear A and a gear B respectively arranged on the rotating shaft A and the rotating shaft B. The output end of the cylinder is provided with a transverse tooth, which can be laterally movably arranged at the bottom of the cutting table. The transverse tooth is meshed and connected with the gear A and the gear B.
[0010] Technical effects and advantages of the present invention: Compared with the traditional manual adjustment of sheet metal angle, the present invention uses a visual sensor to automatically adjust the sheet metal cutting angle, which not only improves the sheet metal angle adjustment accuracy, but also improves the sheet metal cutting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a surface structural diagram of the cutting table of the present invention.
[0012] Figure 2 This is a bottom structural diagram of the cutting table of the present invention.
[0013] Figure 3 It is a side structural diagram of the fixing member of the present invention. DETAILED DESCRIPTION
[0014] 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.
[0015] like Figures 1 to 3 It is a specific embodiment of the present invention, and its structure includes a cutting table 1. A visual sensor is provided directly above the cutting table 1. A reference line 11 for the visual sensor to observe the angle of an object is provided on the cutting table 1. Fixing parts 2 are provided on both sides of the reference line 11. A sheet metal cutting station 12 is formed between the two fixing parts 2. A sheet metal cutting groove 13 is provided on the cutting station 12. When the sheet metal is located at the cutting station 12, the two fixing parts 2 fix both ends of the sheet metal at the same time. The two fixing parts 2 are synchronously rotatably arranged on the cutting table 1. A dynamic line 14 is provided on the connecting line between the two fixing parts 2. A reference line 15 which is always parallel to the dynamic line 14 is provided on the outer side of the cutting station 12.
[0016] In the present invention, the working principle of sheet metal cutting is as follows: the two ends of the sheet metal to be cut are fixed on two fixing parts 2, that is, the sheet metal is located on the dynamic line 14. When the cutting angle of the sheet metal needs to be adjusted, the angle between the reference line 15 and the baseline 11 is adjusted by the visual sensor, and the baseline 11 is always parallel to the dynamic line 14, that is, the angle of the sheet metal is adjusted. Finally, the cutting knife cuts the sheet metal along the cutting groove 13 to obtain the required sheet metal.
[0017] In the present invention, compared with the traditional manual adjustment of the sheet metal angle, the present invention uses a visual sensor to automatically adjust the sheet metal cutting angle, which not only improves the sheet metal angle adjustment accuracy, but also improves the sheet metal cutting efficiency.
[0018] In the present invention, as a preferred solution, symmetrical arc tracks 3 are provided at both ends of the reference line 11 , and two fixing members 2 are movably disposed on the arc tracks 3 .
[0019] In the present invention, by setting the arc track 3, the fixing member 2 moves on the arc track 3, thereby meeting the angle adjustment requirements of the sheet metal.
[0020] In the present invention, as a preferred solution, the fixing member 2 includes a base 21 and an adjusting screw 22, an inverted L-shaped bracket 4 is provided on the base 21, the adjusting screw 22 is threadedly connected to the short side of the L-shaped bracket 4, and a soft cushion block 41 is provided at the bottom of the adjusting screw 22; A slider 42 is provided at the bottom of the base 21 , and the slider 42 is slidably disposed on the arc track 3 .
[0021] In the present invention, the sheet metal is fixed in the following manner: firstly, the end of the sheet metal is placed on the base 21 , and then the adjusting screw 22 is tightened, and the cushion pressing block 41 presses the sheet metal onto the base 21 .
[0022] In the present invention, the slider 42 slides on the arc track 3, thereby ensuring the stability of the movement of the fixing member on the arc track 3, thereby ensuring the stability of the angle adjustment of the sheet metal.
[0023] In the present invention, as a preferred embodiment, an arc groove 5 is provided at the center position of the arc track 3, an extension rod 51 extending below the arc groove 5 is provided at the bottom of the slider 42, a connecting rod 52 is provided between the two extension rods 51, and the connecting rod 52 is rotatably set at the bottom of the cutting table 1, and the reference line 15 is always parallel to the connecting rod 52.
[0024] In the present invention, by driving the connecting rod 52 to rotate at the bottom of the cutting table 1, the two sliders 42 can be moved synchronously on the two arc tracks 3 respectively.
[0025] In the present invention, as a preferred embodiment, the reference line 15 is a positioning rod 6 rotatably arranged on the cutting table 1, a rotating shaft A61 is provided at the connection between the positioning rod 6 and the cutting table 1, the rotating shaft A61 extends below the cutting table 1, a rotating shaft B62 is provided at the connection between the connecting rod 52 and the cutting table 1, and a driving member 7 is provided at the bottom of the cutting table 1 for synchronously driving the rotating shaft A61 and the rotating shaft B62 to rotate.
[0026] In the present invention, the driving member 7 drives the rotating shaft A61 and the rotating shaft B62 to rotate synchronously, so as to drive the connecting rod 52 and the positioning rod 6 to rotate synchronously.
[0027] In the present invention, as a preferred embodiment, the driving member 7 includes a cylinder 71 and a gear A72 and a gear B73 respectively arranged on the rotating shaft A61 and the rotating shaft B62. The output end of the cylinder 71 is provided with a transverse tooth 8, which can be laterally movably arranged at the bottom of the cutting table 1. The transverse tooth 8 is meshed and connected with the gear A72 and the gear B73.
[0028] In the present invention, the working principle of the driving member 7 is as follows: the cylinder 71 drives the transverse tooth 8 to perform transverse circular motion, and under the meshing action of the transverse tooth 8 and the gear A72 and the gear B73, the rotating shaft A61 and the rotating shaft B62 can be driven to rotate synchronously.
[0029] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change; Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other; Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A sheet metal cutting mechanism based on a 3D machine vision system, comprising a cutting table (1), characterized in that: A visual sensor is provided directly above the cutting table (1). The cutting table (1) is provided with a reference line (11) for the visual sensor to observe the angle of an object. Fixing members (2) are provided on both sides of the reference line (11). A sheet metal cutting station (12) is formed between the two fixing members (2). The cutting station (12) is provided with a sheet metal cutting groove (13). When the sheet metal is located at the cutting station (12), the two fixing members (2) simultaneously fix the two ends of the sheet metal. The two fixing members (2) are synchronously rotatably arranged on the cutting table (1). A dynamic line (14) is provided on the connecting line between the two fixing members (2). A reference line (15) which is always parallel to the dynamic line (14) is provided on the outer side of the cutting station (12).
2. The sheet metal cutting mechanism based on a 3D machine vision system according to claim 1, characterized in that: Symmetrical arc tracks (3) are provided at both ends of the reference line (11), and the two fixing members (2) are movably arranged on the arc tracks (3).
3. The sheet metal cutting mechanism based on a 3D machine vision system according to claim 2, characterized in that: The fixing member (2) comprises a base (21) and an adjusting screw (22); an inverted L-shaped bracket (4) is provided on the base (21); the adjusting screw (22) is threadedly connected to the short side of the L-shaped bracket (4); and a soft cushion pressure block (41) is provided at the bottom of the adjusting screw (22); A sliding block (42) is provided at the bottom of the base (21), and the sliding block (42) is slidably arranged on the arc track (3).
4. The sheet metal cutting mechanism based on a 3D machine vision system according to claim 3, characterized in that: An arc groove (5) is provided at the center of the arc track (3); an extension rod (51) extending below the arc groove (5) is provided at the bottom of the slider (42); a connecting rod (52) is provided between the two extension rods (51); the connecting rod (52) is rotatably arranged at the bottom of the cutting table (1); and the reference line (15) is always parallel to the connecting rod (52).
5. The sheet metal cutting mechanism based on a 3D machine vision system according to claim 4, characterized in that: The reference line (15) is a positioning rod (6) rotatably arranged on the cutting table (1); a rotation axis A (61) is provided at the connection between the positioning rod (6) and the cutting table (1); the rotation axis A (61) extends below the cutting table (1); a rotation axis B (62) is provided at the connection between the connecting rod (52) and the cutting table (1); and a driving member (7) for synchronously driving the rotation axis A (61) and the rotation axis B (62) to rotate is provided at the bottom of the cutting table (1).
6. The sheet metal cutting mechanism based on a 3D machine vision system according to claim 5, characterized in that: The driving member (7) comprises a cylinder (71) and a gear A (72) arranged on the rotating shaft A (61) and a gear B (73) arranged on the rotating shaft B (62), respectively. The output end of the cylinder (71) is provided with a transverse tooth (8). The transverse tooth (8) is arranged at the bottom of the cutting table (1) in a transversely movable manner. The transverse tooth (8) is meshedly connected with the gear A (72) and the gear B (73).