Part surface defect detection device

Abstract

The utility model discloses a part surface defect detection device which comprises a main body, a conveying belt is arranged on the upper side in the main body, a supporting seat is arranged at the upper end of the main body, a visual detection camera is arranged at the lower end of the supporting seat, and the part surface defect detection device further comprises transmission cavities formed in the two sides in the supporting seat. And first rotating shafts are rotationally arranged in the transmission cavities, one ends of the first rotating shafts penetrate through and extend to the exteriors of the transmission cavities, transmission worms are rotationally arranged on the front sides of the interiors of the transmission cavities, and second rotating shafts are welded to one ends of the transmission worms. According to the part surface defect detection device, illumination can be concentrated on some complex areas, the image quality of the areas can be remarkably improved, a visual detection camera can capture key details more clearly, the detection precision is guaranteed, meanwhile, the requirement for manual monitoring can be reduced, the working intensity is reduced, and the detection efficiency is improved. And the material taking accuracy and timeliness are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of parts detection, in particular to a device for detecting surface defects of parts. Background Art

[0002] Parts are the basic units that make up mechanical products, equipment or tools, and have specific shapes, sizes and functions. In the manufacturing industry, the quality of parts is directly related to the performance and service life of the products. During the production process, due to the influence of various factors such as materials, processes, equipment, etc., various defects may appear on the surface of parts, such as scratches, pits, protrusions, cracks, etc. These defects not only affect the appearance of the parts, but may also reduce the strength and durability of the parts, and even cause the failure of the entire product. When parts are produced, the surface will be inspected through defect detection devices to avoid safety risks caused by quality problems.

[0003] The existing Chinese patent with announcement number CN218037590U discloses a part surface defect detection device, including a detection chamber, a dust removal mechanism, a display and at least one automatic optical detection component, the detection chamber includes a transmission assembly and a detection cavity; the transmission assembly is used to convey the part to the detection cavity; the automatic optical detection component can reciprocate in the detection cavity along the conveying direction of the transmission assembly to collect images of the part surface to obtain defects on the part surface; the display is electrically connected to the automatic optical detection component, and the display is used to display defects on the part surface; the dust removal mechanism can reciprocate in the detection cavity along the conveying direction to remove dust and foreign matter from the surface of the part.

[0004] Although the above scheme can detect and display defects on the surface of parts, some parts may have complex surface structures or specific detection areas, which require specific lighting angles to highlight these features. The defect detection device lacks effective lighting adjustment, which affects the accuracy of detection. At the same time, the device lacks a material removal reminder function, which requires attention to the loading of parts. It is inconvenient to use and therefore does not meet existing needs. In this regard, we propose a part surface defect detection device. Utility Model Content

[0005] The purpose of the utility model is to provide a part surface defect detection device to solve the problem that the part surface defect detection device proposed in the above background technology lacks a light adjustment function, which affects the detection accuracy and lacks a material removal reminder function, which causes inconvenience in use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a part surface defect detection device, comprising a main body, a conveyor belt is arranged on the upper side of the interior of the main body, a support seat is arranged at the upper end of the main body, and a visual detection camera is arranged at the lower end of the support seat;

[0007] It also includes a transmission cavity, which is opened on both sides of the support seat, the transmission cavity is rotatably provided with a first rotating shaft, and one end of the first rotating shaft penetrates and extends to the outside of the transmission cavity, the front side of the transmission cavity is rotatably provided with a transmission worm, one end of the transmission worm is welded with a second rotating shaft, one end of the second rotating shaft penetrates and extends to the outside of the transmission cavity, and the second rotating shaft is rotatably matched with the transmission cavity;

[0008] It also includes weighing sensors, which are installed on the front and rear sides of one side of the lower end of the main body, and the upper ends of the weighing sensors are provided with collection boxes.

[0009] Preferably, a PLC controller is provided on one side of the front end of the main body, and the input end of the PLC controller is electrically connected to the output end of the weighing sensor and the visual detection camera, a motor is provided on one side of the upper end inside the main body, and the input end of the motor is electrically connected to the output end of the PLC controller, and a third rotating shaft is provided at the output end of the motor through a coupling, and a guide plate is provided at the lower end of the third rotating shaft.

[0010] Preferably, sound and light alarms are provided on one side of the front and rear ends of the main body, and the input ends of the sound and light alarms are electrically connected to the output ends of the PLC controller.

[0011] Preferably, the outer wall of the first rotating shaft at one end inside the transmission cavity is provided with a transmission worm gear, and the transmission worm gear is driven by the transmission worm.

[0012] Preferably, a knob is provided at one end of the second rotating shaft located outside the transmission cavity.

[0013] Preferably, a lighting lamp is installed at one end of the first rotating shaft located outside the transmission cavity.

[0014] Preferably, protective covers are provided on both sides of the support seat via hinges, and magnet sheets are bonded and fixed to one end of the protective cover and both sides of the support seat.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model opens transmission cavities on both sides of the support base. When the parts are moved to the bottom of the visual inspection camera through the conveyor belt, the staff can turn the knob, and the knob will drive the transmission worm through the second rotating shaft. Under the worm transmission, the transmission worm wheel can drive the first rotating shaft to change the angle of the lighting lamp, so that the light can be concentrated on some complex areas, which can significantly improve the image quality of the area, so that the visual inspection camera can capture key details more clearly, ensuring the accuracy of the inspection.

[0017] 2. The utility model installs two weighing sensors at the lower end of one side of the main body, and a collection box is arranged at the upper end of the weighing sensor. The detected parts will enter the interior of the collection box under transportation, so that the weight of the collection box increases, and the weighing sensor can weigh the weight. At the same time, the weighing sensor will send the weighing data to the PLC controller. The standard value can be preset in the PLC controller. When the weight reaches the preset value, the PLC controller will start the sound and light alarm, thereby issuing a sound and light alarm. The supervisor can quickly determine whether to take the material through the sound and light alarm, which reduces the need for manual monitoring, reduces the work intensity, and improves the accuracy and timeliness of taking the material.

[0018] 3. The utility model provides protective covers on both sides of the support base, and the protective covers are connected to the support base through hinges. When there is no need to adjust the angle of the lighting lamp, the protective cover can be firmly fixed on the support base through the magnetic adsorption between the magnet sheet on one side of the protective cover and the magnet sheet on the support base, so that the outside of the knob can be protected by the protective cover to avoid rotation of the knob due to misoperation and rotation of the lighting lamp after adjustment, thereby ensuring stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a front view schematic diagram of the internal structure of the utility model;

[0021] Figure 3 It is a schematic top view of the overall structure of the utility model;

[0022] Figure 4 It is a top view schematic diagram of the internal structure of the support base of the utility model;

[0023] Figure 5 For the utility model Figure 2 A partial enlarged view of area A.

[0024] In the figure: 1. main body; 2. support base; 3. transmission chamber; 4. transmission worm gear; 5. transmission worm; 6. first rotating shaft; 7. second rotating shaft; 8. knob; 9. protective cover; 10. magnet; 11. PLC controller; 12. motor; 13. third rotating shaft; 14. guide plate; 15. collection box; 16. weighing sensor; 17. sound and light alarm; 18. conveyor belt; 19. lighting; 20. visual detection camera. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5 The utility model provides a technical solution: a part surface defect detection device, comprising a main body 1, a conveyor belt 18 is arranged on the upper side of the main body 1, a support seat 2 is arranged on the upper end of the main body 1, and a visual inspection camera 20 is arranged on the lower end of the support seat 2;

[0027] It also includes a transmission cavity 3, which is opened on both sides of the support seat 2, and the transmission cavity 3 is rotatably provided with a first rotating shaft 6, and one end of the first rotating shaft 6 penetrates and extends to the outside of the transmission cavity 3, and the front side of the transmission cavity 3 is rotatably provided with a transmission worm 5, and one end of the transmission worm 5 is welded with a second rotating shaft 7, and one end of the second rotating shaft 7 penetrates and extends to the outside of the transmission cavity 3, and the second rotating shaft 7 is rotatably matched with the transmission cavity 3;

[0028] It also includes a weighing sensor 16 which is installed at the front and rear sides of one side of the lower end of the main body 1 , and a collection box 15 is provided at the upper end of the weighing sensor 16 .

[0029] When in use, open the protective cover 9 and turn the knob 8. The knob 8 will cause the transmission worm 5 to drive the transmission worm wheel 4 to rotate synchronously, so that the first rotating shaft 6 can drive the lighting lamp 19 to adjust the angle, and can concentrate the light on some complex areas, which can significantly improve the image quality of the area, allowing the visual inspection camera 20 to capture key details more clearly, thereby ensuring the accuracy of the inspection.

[0030] See also Figure 1 and Figure 2 A PLC controller 11 is provided at one side of the front end of the main body 1, and the input end of the PLC controller 11 is electrically connected to the output end of the weighing sensor 16 and the visual inspection camera 20, a motor 12 is provided at one side of the upper end of the main body 1, and the input end of the motor 12 is electrically connected to the output end of the PLC controller 11, and the output end of the motor 12 is provided with a third rotating shaft 13 through a coupling, and a guide plate 14 is provided at the lower end of the third rotating shaft 13;

[0031] See also Figure 1 and Figure 3, sound and light alarms 17 are provided on one side of the front and rear ends of the main body 1, and the input ends of the sound and light alarms 17 are electrically connected to the output ends of the PLC controller 11, and the sound and light alarms 17 can make sound and light alarms to conveniently remind the staff to take the materials;

[0032] See also Figure 4 and Figure 5 The outer wall of the first rotating shaft 6 at one end of the transmission cavity 3 is provided with a transmission worm wheel 4, and the transmission worm wheel 4 is worm-driven with the transmission worm 5. The worm transmission between the transmission worm wheel 4 and the transmission worm 5 has a certain self-locking property, which can prevent the rotation of the lighting lamp 19;

[0033] See also Figure 4 and Figure 5 The second rotating shaft 7 is provided with a knob 8 at one end outside the transmission cavity 3, and the knob 8 is provided to facilitate the staff to rotate;

[0034] See also Figure 2 , an illuminating lamp 19 is installed at one end of the first rotating shaft 6 located outside the transmission cavity 3, and the illuminating lamp 19 can increase the illumination so that the visual inspection camera 20 can capture key details more clearly;

[0035] See also Figure 1 , Figure 3 , Figure 4 and Figure 5 Protective covers 9 are provided on both sides of the support seat 2 through hinges, and magnet sheets 10 are bonded and fixed to one end of the protective cover 9 and both sides of the support seat 2. The magnetic adsorption between the magnet sheets 10 facilitates the connection between the protective cover 9 and the support seat 2.

[0036] Working principle: When in use, the parts to be inspected are transported through the conveyor belt 18. The staff can open the protective cover 9 and turn the knob 8. The knob 8 will rotate the second shaft 7, and the second shaft 7 will drive the transmission worm 5 to rotate synchronously. Since the transmission worm 5 and the transmission worm wheel 4 are worm-driven, the transmission worm wheel 4 will be driven to rotate synchronously, so that the first shaft 6 will rotate synchronously, and the first shaft 6 will drive the lighting lamp 19 to rotate synchronously, so that the angle of the lighting lamp 19 can be adjusted, and the light can be concentrated on some complex areas, which can significantly improve the image quality of the area, so that the visual inspection camera 20 can capture key details more clearly, ensuring the accuracy of the inspection. After adjusting the angle of the rear lighting lamp 19, the protective cover 9 can be closed, and the protective cover 9 can be fixed to the support seat 2 through the magnetic adsorption between the magnet sheets 10, so that the knob 8 can be protected by the protective cover 9 to avoid accidental touch causing the angle of the lighting lamp 19 to change, ensuring stability, and the parts pass the visual inspection. When the part is below the camera 20, it can be detected by the visual inspection camera 20. The visual inspection camera 20 will quickly capture the image of the part, and use its built-in image processing and analysis functions to perform detailed inspection on the part, and send the result to the PLC controller 11. When the part is qualified, the PLC controller 11 starts the motor 12 to rotate clockwise, which can make the guide plate 14 rotate toward the rear side, so that the qualified part can be guided to the collection box 15 in the front. On the contrary, when the part is unqualified, the part will be guided to the collection box 15 at the rear. The weight of the collection box 15 will be detected by the weighing sensor 16, and the weighing sensor 16 will transmit the detection to the PLC controller 11. The staff can pre-set the standard value. When the weight of the collection box 15 reaches the preset value, the PLC controller 11 will start the sound and light alarm 17, and the sound and light alarm 17 will send a sound and light alarm, so as to conveniently remind the staff to pick up the material, reduce the need for manual monitoring, reduce the work intensity, and improve the accuracy and timeliness of material picking.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A device for detecting surface defects of parts, comprising a main body (1), a conveyor belt (18) is arranged on the upper side of the main body (1), a support base (2) is arranged at the upper end of the main body (1), and a visual inspection camera (20) is arranged at the lower end of the support base (2), characterized in that: It also includes a transmission cavity (3) which is opened on both sides of the support seat (2), a first rotating shaft (6) is rotatably arranged inside the transmission cavity (3), and one end of the first rotating shaft (6) penetrates and extends to the outside of the transmission cavity (3), a transmission worm (5) is rotatably arranged on the front side of the transmission cavity (3), a second rotating shaft (7) is welded to one end of the transmission worm (5), one end of the second rotating shaft (7) penetrates and extends to the outside of the transmission cavity (3), and the second rotating shaft (7) is rotatably matched with the transmission cavity (3); It also includes a weighing sensor (16) which is installed on the front and rear sides of one side of the lower end inside the main body (1), and a collection box (15) is provided at the upper end of each weighing sensor (16).

2. A part surface defect detection device according to claim 1, characterized in that: A PLC controller (11) is arranged at one side of the front end of the main body (1), and the input end of the PLC controller (11) is electrically connected to the output ends of the weighing sensor (16) and the visual inspection camera (20); a motor (12) is arranged at one side of the upper end of the main body (1), and the input end of the motor (12) is electrically connected to the output end of the PLC controller (11); a third rotating shaft (13) is arranged at the output end of the motor (12) via a coupling, and a guide plate (14) is arranged at the lower end of the third rotating shaft (13).

3. A part surface defect detection device according to claim 1, characterized in that: One side of the front and rear ends of the main body (1) is provided with an audible and visual alarm (17), and the input end of the audible and visual alarm (17) is electrically connected to the output end of the PLC controller (11).

4. A part surface defect detection device according to claim 1, characterized in that: The outer wall of the first rotating shaft (6) at one end inside the transmission cavity (3) is provided with a transmission worm wheel (4), and the transmission worm wheel (4) is worm-driven with the transmission worm (5).

5. A part surface defect detection device according to claim 1, characterized in that: A knob (8) is provided at one end of the second rotating shaft (7) located outside the transmission chamber (3).

6. A device for detecting surface defects of parts according to claim 1, characterized in that: An illuminating lamp (19) is installed at one end of the first rotating shaft (6) located outside the transmission cavity (3).

7. A device for detecting surface defects of parts according to claim 1, characterized in that: Protective covers (9) are provided on both sides of the support seat (2) via hinges, and magnet sheets (10) are bonded and fixed to one end of the protective cover (9) and both sides of the support seat (2).

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