Contour detection device

Abstract

The utility model discloses a contour detection device, which comprises a fixed inner box, the outer side of the fixed inner box is symmetrically and fixedly connected with support frames, and the contour detection device has the beneficial effects that the support side frames, a second laser displacement sensor, a mounting bottom frame and a first laser displacement sensor are arranged; according to the device, side face contour detection is conducted on a workpiece conveyed on a conveying belt through second laser displacement sensors arranged on the inner sides of the supporting side frames at equal intervals, and contour detection processing is conducted from the upper portion of the workpiece through first laser displacement sensors arranged at the bottom of the mounting bottom frame; the guide rollers rotating on the inner side of the supporting frame can guide and convey workpieces conveyed on the conveying belt, the workpieces needing contour detection are conveyed and guided, and the contour detection stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of contour detection, in particular to a contour detection device. Background Art

[0002] Contour detection is an important task in image processing. It refers to the process of extracting the target contour in a digital image containing the target and background, ignoring the influence of the texture inside the background and the target and the noise interference, and using certain technologies and methods to achieve the target contour. Laser displacement sensors play an important role in the contour detection of workpieces in transportation. Laser displacement sensors measure the displacement or distance of objects by emitting laser beams and receiving their reflected light. According to the different irradiation and reception methods of the laser beam, laser displacement sensors can be divided into many types, such as 1D laser displacement sensors, 2D laser contour scanning sensors, and confocal laser sensors. However, when batch detecting a large number of workpieces, the existing contour detection devices face the problem of workpiece conveying position guidance. Since the workpiece is prone to position displacement during transportation, this directly affects the accuracy of the laser displacement sensor in detecting the workpiece contour. Utility Model Content

[0003] The purpose of the present utility model is to provide a contour detection device to solve the problem raised in the above background technology that when batch detecting a large number of workpieces, the existing contour detection device faces the problem of workpiece conveying position guidance. Since the workpiece is prone to position displacement during the conveying process, this directly affects the accuracy of the laser displacement sensor in detecting the workpiece contour.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a contour detection device, comprising a fixed inner box, the outer side of the fixed inner box is symmetrically fixedly connected to a support frame, the top of the support frame is fixedly connected to a support top frame, the top of the support top frame is fixedly connected to a fixed bracket, the inner side of the support top frame is slidably connected to an adjustment support plate, the inner side of the adjustment support plate is fixedly connected to a support side frame, a plurality of No. 2 laser displacement sensors are equidistantly installed on the inner side of the support side frame, a mounting base is provided below the fixed bracket, a No. 1 laser displacement sensor is equidistantly installed on the bottom of the mounting base, a connecting bracket is fixedly connected to the bottom of the support side frame, a supporting frame is fixedly connected to the inner side of the connecting bracket, a plurality of guide rollers are equidistantly connected to the inner side of the supporting frame for rotation, a guide side plate is fixedly connected to one side of the supporting frame, a rotating support roller is symmetrically rotatably connected to the inner side of the supporting bracket, a conveyor belt is provided on the outer side of the two rotating support rollers, the two rotating support rollers are connected by a conveyor belt transmission, and a plurality of rotating rollers cooperating with the conveyor belt are equidistantly connected to the inner side of the supporting bracket for rotation.

[0005] As a preferred solution of the present invention: the internal rotation of the fixed inner box is connected to a bidirectional screw rod, the outer side of the bidirectional screw rod is symmetrically threaded with a movable slider, the movable slider is slidingly connected to the fixed inner box, the top of the fixed inner box is symmetrically slidingly connected to a support slide, the movable slider is fixedly connected to the support slide, one side of the support slide is fixedly connected to the adjustment support plate, one side of the fixed inner box is installed with a No. 1 motor, and the output end of the No. 1 motor is fixedly connected to the bidirectional screw rod.

[0006] As a preferred solution of the present invention: the internal sliding connection of the movable slider is connected with a No. 4 limit slide bar, the No. 4 limit slide bar is fixedly connected to the fixed inner box, the outer side of the supporting side frame is symmetrically fixedly connected with a No. 2 limit slide bar, one end of the No. 2 limit slide bar is fixedly connected to the supporting slide plate, and the No. 2 limit slide bar is slidably connected to the supporting top frame.

[0007] As a preferred solution of the present invention: a third limiting slide bar is symmetrically fixedly connected to the outer side of the support frame, and the third limiting slide bar is slidably connected to the support frame.

[0008] As a preferred solution of the present invention: a No. 2 motor is installed on one side of the support frame, and one of the rotating support rollers is fixedly connected to the output end of the No. 2 motor.

[0009] As a preferred solution of the present invention: a cylinder is installed on the top of the fixed bracket, the output end of the cylinder is fixedly connected to the mounting base, and the top of the mounting base is symmetrically fixedly connected with a No. 1 limiting slide bar, and the No. 1 limiting slide bar is slidably connected to the fixed bracket.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention, by setting a supporting side frame, a No. 2 laser displacement sensor, an installation base frame and a No. 1 laser displacement sensor, realizes that the No. 2 laser displacement sensors equidistantly arranged on the inner side of the supporting side frame perform side profile detection on the workpiece conveyed on the conveyor belt, and that the No. 1 laser displacement sensors installed at the bottom of the base frame perform profile detection processing from above the workpiece, and by setting a supporting frame and guide rollers, the guide rollers rotating on the inner side of the supporting frame guide and convey the workpiece conveyed on the conveyor belt, guide the workpiece that requires profile detection, and improve the stability of profile detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0012] Figure 2 This is the right side view of the rotating support roller of the utility model;

[0013] Figure 3This is a top view of the guide roller of the utility model.

[0014] In the figure: 1. Support frame; 2. Fixed inner box; 3. Bidirectional screw; 4. Moving slider; 5. No. 1 motor; 6. Support slide; 7. No. 4 limit slide; 8. Rotating support roller; 9. Conveyor belt; 10. Rotating roller; 11. No. 2 motor; 12. Support top frame; 13. Fixed bracket; 14. Cylinder; 15. No. 1 limit slide; 16. Install base frame; 17. No. 1 laser displacement sensor; 18. Adjust support plate; 19. Support side frame; 20. No. 2 laser displacement sensor; 21. No. 2 limit slide; 22. Connecting bracket; 23. Support frame; 24. No. 3 limit slide; 25. Guide roller; 26. Guide side plate. DETAILED DESCRIPTION

[0015] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0016] See also Figures 1 to 3 The utility model provides a technical solution: a contour detection device, including a fixed inner box 2, the outer side of the fixed inner box 2 is symmetrically fixedly connected with a support frame 1, the top of the support frame 1 is fixedly connected with a support top frame 12, the top of the support top frame 12 is fixedly connected with a fixed bracket 13, the inner side of the support top frame 12 is slidably connected with an adjustment support plate 18, the inner side of the adjustment support plate 18 is fixedly connected with a support side frame 19, a plurality of No. 2 laser displacement sensors 20 are equidistantly installed on the inner side of the support side frame 19, a mounting base 16 is provided below the fixed bracket 13, a No. 1 laser displacement sensor 17 is equidistantly installed on the bottom of the mounting base 16, and the bottom of the support side frame 19 is fixed. It is connected to a connecting bracket 22, and a support frame 23 is fixedly connected to the inner side of the connecting bracket 22. A plurality of guide rollers 25 are equidistantly connected to the inner side of the support frame 23, and a guide side plate 26 is fixedly connected to one side of the support frame 23. The inner side of the support frame 1 is symmetrically connected to rotating support rollers 8. A conveying belt 9 is provided on the outer side of the two rotating support rollers 8. The two rotating support rollers 8 are connected by a transmission through the conveying belt 9. The inner side of the support frame 1 is equidistantly connected to a plurality of rotating rollers 10 cooperating with the conveying belt 9. The respective rotating rollers 10 on the inner side of the support frame 1 support the lower part of the position where the conveying belt 9 conveys the workpiece, thereby improving the stability of the conveying belt 9 in conveying the workpiece.

[0017] Among them, the internal rotation of the fixed inner box 2 is connected with a bidirectional screw rod 3, and the outer side of the bidirectional screw rod 3 is symmetrically threaded with a movable slider 4. The movable slider 4 is slidingly connected to the fixed inner box 2, and the top of the fixed inner box 2 is symmetrically slidingly connected with a support slide 6. The movable slider 4 is fixedly connected to the support slide 6, and one side of the support slide 6 is fixedly connected to the adjustment support plate 18. One side of the fixed inner box 2 is installed with a No. 1 motor 5, and the output end of the No. 1 motor 5 is fixedly connected to the bidirectional screw rod 3. The bidirectional screw rod 3 is driven by the output end of the No. 1 motor 5 to rotate and adjust. When the bidirectional screw rod 3 rotates, it drives the outer movable slider 4 to move, thereby completing the movement and adjustment of the support slide 6, the adjustment support plate 18 and the support side frame 19 driven by the movable slider 4.

[0018] Among them, the internal sliding connection of the mobile slider 4 is connected with the No. 4 limit slide bar 7, the No. 4 limit slide bar 7 is fixedly connected to the fixed inner box 2, and the outer side of the supporting side frame 19 is symmetrically fixedly connected with the No. 2 limit slide bar 21, one end of the No. 2 limit slide bar 21 is fixedly connected to the supporting slide plate 6, and the No. 2 limit slide bar 21 is slidingly connected to the supporting top frame 12. The No. 4 limit slide bar 7 limits the sliding position of the mobile slider 4 in the fixed inner box 2, thereby improving the stability of the sliding adjustment of the mobile slider 4.

[0019] Among them, the outer side of the support frame 23 is symmetrically fixedly connected with a No. 3 limit slide bar 24, and the No. 3 limit slide bar 24 is slidably connected to the support frame 1. When the support side frame 19, the connecting bracket 22 and the support frame 23 are adjusted, the support frame 23 drives the No. 3 limit slide bar 24 and the support frame 1 to slide in a limited manner, thereby improving the adjustment stability of the support frame 23.

[0020] Among them, a No. 2 motor 11 is installed on one side of the support frame 1, and one of the rotating support rollers 8 is fixedly connected to the output end of the No. 2 motor 11. The output end of the No. 2 motor 11 drives one of the rotating support rollers 8 to rotate, and one of the rotating support rollers 8 drives the other rotating support roller 8 to rotate through the conveyor belt 9. The workpiece is conveyed by the conveyor belt 9 to complete the contour detection work during transportation.

[0021] Among them, a cylinder 14 is installed on the top of the fixed bracket 13, and the output end of the cylinder 14 is fixedly connected to the mounting base 16. The top of the mounting base 16 is symmetrically fixedly connected with a limit slide 15, and the limit slide 15 is slidingly connected to the fixed bracket 13. The output end of the cylinder 14 drives the mounting base 16 and the laser displacement sensor 17 to adjust the height position, and the mounting base 16 drives the top limit slide 15 to slide in the fixed bracket 13, thereby improving the stability during adjustment.

[0022] Specifically, when in use, one of the rotating support rollers 8 is driven to rotate by the output end of the second motor 11. When the rotating support roller 8 rotates, the other rotating support roller 8 is driven to rotate by the conveying belt 9, and the conveying belt 9 is moved to convey the workpiece placed on the conveying belt 9. The workpiece is guided and conveyed by the guide side plate 26 on one side of the support frame 23, and the workpiece is guided and conveyed by each guide roller 25 inside the support frame 23. The workpiece conveyed on the conveying belt 9 is auxiliary supported by the rotating roller 10, and the bidirectional screw rod 3 is driven to rotate by the output end of the first motor 5. When the bidirectional screw rod 3 rotates, it drives the outer movable slider 4 to move. When the movable slider 4 moves, it drives the supporting slide plate 6, the adjustment support plate 18 and the supporting side frame 19 to move. When the supporting side frame 19 is adjusted, the position of the supporting frame 23 and the guide roller 25 is adjusted to complete the adjustment of the spacing between the two supporting frames 23 and the spacing between the two supporting side frames 19. The side profile of the workpiece transported on the conveyor belt 9 is detected by the No. 2 laser displacement sensor 20, and the mounting base 16 and the No. 1 laser displacement sensor 17 are driven to move up and down for adjustment through the output end of the cylinder 14.

[0023] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one such feature.

[0025] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A contour detection device, comprising a fixed inner box (2), characterized in that: The outer side of the fixed inner box (2) is symmetrically fixedly connected to a support frame (1), the top of the support frame (1) is fixedly connected to a support top frame (12), the top of the support top frame (12) is fixedly connected to a fixed bracket (13), the interior of the support top frame (12) is slidably connected to an adjustment support plate (18), the inner side of the adjustment support plate (18) is fixedly connected to a support side frame (19), a plurality of No. 2 laser displacement sensors (20) are equidistantly installed on the inner side of the support side frame (19), a mounting base (16) is provided below the fixed bracket (13), and a No. 1 laser displacement sensor (17) is equidistantly installed on the bottom of the mounting base (16). The bottom of the supporting side frame (19) is fixedly connected to a connecting bracket (22), the inner side of the connecting bracket (22) is fixedly connected to a supporting frame (23), the inner side of the supporting frame (23) is equidistantly connected to a plurality of guide rollers (25), one side of the supporting frame (23) is fixedly connected to a guide side plate (26), the inner side of the supporting frame (1) is symmetrically connected to a rotating support roller (8), the outer sides of the two rotating support rollers (8) are provided with a conveying belt (9), the two rotating support rollers (8) are connected by a transmission through the conveying belt (9), and the inner side of the supporting frame (1) is equidistantly connected to a plurality of rotating rollers (10) that cooperate with the conveying belt (9).

2. A contour detection device according to claim 1, characterized in that: The fixed inner box (2) is internally rotatably connected to a bidirectional screw rod (3), the outer side of the bidirectional screw rod (3) is symmetrically threadedly connected to a movable slider (4), the movable slider (4) is slidably connected to the fixed inner box (2), the top of the fixed inner box (2) is symmetrically slidably connected to a support slide (6), the movable slider (4) is fixedly connected to the support slide (6), one side of the support slide (6) is fixedly connected to the adjustment support plate (18), a No. 1 motor (5) is installed on one side of the fixed inner box (2), and the output end of the No. 1 motor (5) is fixedly connected to the bidirectional screw rod (3).

3. A contour detection device according to claim 2, characterized in that: The movable slider (4) is internally slidably connected to a fourth limiting slide bar (7), the fourth limiting slide bar (7) is fixedly connected to the fixed inner box (2), the outer side of the supporting side frame (19) is symmetrically fixedly connected to a second limiting slide bar (21), one end of the second limiting slide bar (21) is fixedly connected to the supporting slide plate (6), and the second limiting slide bar (21) is slidably connected to the supporting top frame (12).

4. The contour detection device according to claim 1, wherein: A third limiting slide bar (24) is symmetrically fixedly connected to the outer side of the support frame (23), and the third limiting slide bar (24) is slidably connected to the support frame (1).

5. The contour detection device according to claim 1, wherein: A second motor (11) is installed on one side of the support frame (1), and one of the rotating support rollers (8) is fixedly connected to the output end of the second motor (11).

6. The contour detection device according to claim 1, wherein: A cylinder (14) is installed on the top of the fixed bracket (13), and the output end of the cylinder (14) is fixedly connected to the mounting base (16). The top of the mounting base (16) is symmetrically fixedly connected to a first limiting slide bar (15), and the first limiting slide bar (15) is slidably connected to the fixed bracket (13).

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