Surface quality detection device
By designing an automated surface quality detection device, using laser reflection and image acquisition technology, the problem of low surface detection efficiency and accuracy of workpieces is solved, and fast and accurate surface defect detection is achieved.
Patent Information
- Application Number
- CN202420731825.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-10
AI Technical Summary
Workpiece surface detection mostly relies on handheld instruments and manual inspection, resulting in inefficiency and reduced accuracy, and long-term detection will lead to fatigue.
Design a surface quality detection device, including a base, a moving plate, a moving component, a pressing component, an induction strip, a laser source, an image acquisition camera, etc., through the cooperation of a roller and a spring, laser reflection is used to detect surface shape abnormalities, and image acquisition is carried out. Contrast with the database to detect scratches or stains.
It improves detection efficiency and accuracy, reduces manual fatigue, realizes automated surface quality detection, and can quickly and accurately identify defects and defects on the surface of the workpiece.
Smart Images
Figure CN222212634U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of surface detection, in particular to a surface quality detection device. Background Art
[0002] After the workpiece is processed, it needs to undergo various inspections, including surface inspection. Surface inspection mainly measures the defects, shape, flatness and other data on the workpiece surface.
[0003] The surface of workpieces is mostly inspected using handheld instruments. Manual inspection is time-consuming and laborious. After a long period of inspection, the efficiency and accuracy will decrease due to fatigue. Therefore, we propose a surface quality inspection device. Utility Model Content
[0004] The main purpose of the utility model is to provide a surface quality detection device, which can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A surface quality detection device comprises a base, wherein a movable plate is arranged at the upper end of the base, a movable assembly is arranged at the lower end of the base, the movable assembly passes through the base and extends upward to the lower end of the movable plate and is fixedly connected to the lower end of the movable plate, a pressing assembly is fixed to the left and right ends of the base, the pressing assembly extends upward to the top of the movable plate, a sensing strip and a laser source are arranged inside the pressing assembly, the laser source and the sensing strip are spaced apart from each other, two fixed assemblies are fixed to the left front end and the right front end of the movable plate, the fixed assemblies on the left and right sides are spaced apart from each other, and a shooting assembly is fixed to the left rear end and the right rear end of the base.
[0007] Preferably, the pressing assembly includes a fixed frame, the left front side and the right front side of the base are fixedly connected to the fixed frame, an electric push rod is fixed to the upper end of the fixed frame, the output end of the electric push rod movably passes through the upper end of the fixed frame, a telescopic rod is fixed to the output end of the electric push rod, a spring is provided on the side surface of the telescopic rod, a mounting frame is fixed to the lower end of the telescopic rod, the mounting frame is C-shaped and opens downward, the left and right inner walls of the mounting frame are connected to rollers for rotation through bearings, and the rollers are located above the movable plate.
[0008] Preferably, the sensor strip is fixed to the right end of the mounting frame, and the laser source is fixed to the upper inner wall of the fixing frame.
[0009] Preferably, the shooting assembly includes a fixed frame, which is located behind the fixed frame, the left rear side and the right rear side of the base are fixedly connected to the fixed frame, and an image acquisition camera is fixed on the upper inner wall of the fixed frame.
[0010] Preferably, a through slot is opened at the upper end of the base, and the moving component includes a translation plate and a displacement motor. The translation plate is located on the inner side of the through slot, the upper end of the translation plate is fixedly connected to the lower end of the moving plate, a screw rod is threaded through the translation plate, the displacement motor is located on the rear side of the lower end of the base, and the output end of the displacement motor is transmission-connected to the rear end of the screw rod.
[0011] Preferably, the fixing assembly includes a placement plate, which is fixed to the left or right end of the movable plate, the placement plate is located inside the fixing frame and the fixing frame, a cylinder is fixed to the placement plate, and a limit plate is fixed to the output end of the cylinder.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1. In the utility model, the roller rolls on the surface of the workpiece, and the mounting frame and the roller move up and down under the action of the spring. The laser source emits laser and reflects it back to the laser source through the sensor strip. If the reflection angle exceeds the error range, the abnormal shape of the workpiece surface is detected.
[0014] 2. In the present invention, the image collector collects the workpiece image, compares it with the image in the database, and detects scratches or stains on the workpiece surface. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of a surface quality detection device of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of a pressing component and a shooting component of a surface quality detection device of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of a mobile component of a surface quality detection device of the utility model;
[0018] Figure 4 The utility model is a schematic diagram of the overall structure of a fixing component of a surface quality detection device.
[0019] In the figure: 1. base; 2. moving plate; 3. fixing component; 4. pressing component; 5. shooting component; 6. moving component; 7. sensor bar; 8. laser source; 31. placement plate; 32. cylinder; 41. fixing frame; 42. telescopic rod; 43. electric push rod; 44. spring; 45. mounting frame; 46. roller; 51. fixing frame; 52. image acquisition camera; 61. displacement motor; 62. screw rod; 63. translation plate. DETAILED DESCRIPTION
[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the 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 operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0023] like Figure 1-4 As shown, a surface quality detection device includes a base 1, a movable plate 2 is arranged at the upper end of the base 1, a movable component 6 is arranged at the lower end of the base 1, the movable component 6 passes through the base 1 and extends upward to the lower end of the movable plate 2 and is fixedly connected to the lower end of the movable plate 2, a pressing component 4 is fixed to the left and right ends of the base 1, the pressing component 4 extends upward to the top of the movable plate 2, a sensing strip 7 and a laser source 8 are arranged inside the pressing component 4, the laser source 8 and the sensing strip 7 are arranged at intervals up and down, two fixing components 3 are fixed to the left front end and the right front end of the movable plate 2, the fixing components 3 on the left and right sides are arranged at intervals front and back, and a shooting component 5 is fixed to the left rear end and the right rear end of the base 1.
[0024] The pressing assembly 4 includes a fixing frame 41, the left front side and the right front side of the base 1 are fixedly connected to the fixing frame 41, an electric push rod 43 is fixed to the upper end of the fixing frame 41, the output end of the electric push rod 43 movably penetrates the upper end of the fixing frame 41, a telescopic rod 42 is fixed to the output end of the electric push rod 43, a spring 44 is sleeved on the side elevation of the telescopic rod 42, a mounting frame 45 is fixed to the lower end of the telescopic rod 42, the mounting frame 45 is C-shaped and opens downward, the left and right inner walls of the mounting frame 45 are rotatably connected with rollers 46 through bearings, and the rollers 46 are located above the moving plate 2, the electric push rod 43 is started, the output end of the electric push rod 43 moves downward a certain distance, so that the rollers 46 move downward to the surface of the workpiece, the rollers 46 roll on the surface of the workpiece, and the rollers 46 move up and down through the action of the telescopic rod 42 and the spring 44;
[0025] The sensor bar 7 is fixed to the right end of the mounting frame 45, and the laser source 8 is fixed to the upper inner wall of the fixing frame 41. The laser emitted by the laser source 8 is reflected back to the receiver on the laser source 8 after being sensed by the sensor bar 7. The distance moved up and down by the roller 46 is measured by the change of the reflection angle, thereby knowing whether the shape of the surface of the object meets the standard;
[0026] The shooting component 5 includes a fixed frame 51, which is located at the rear of the fixed frame 41. The left rear side and the right rear side of the base 1 are fixedly connected to the fixed frame 51. An image acquisition camera 52 is fixed to the upper inner wall of the fixed frame 51. The image acquisition camera 52 is fixed on the fixed frame 51. The image acquisition camera 52 captures the surface of the object and compares it with the data in the database to determine whether there are scratches and stains on the surface of the object.
[0027] A through slot is formed at the upper end of the base 1, and the moving assembly 6 includes a translation plate 63 and a displacement motor 61. The translation plate 63 is located inside the through slot, and the upper end of the translation plate 63 is fixedly connected to the lower end of the moving plate 2. A screw rod 62 is threadedly formed on the translation plate 63. The displacement motor 61 is located at the rear side of the lower end of the base 1, and the output end of the displacement motor 61 is transmission-connected to the rear end of the screw rod 62. When the displacement motor 61 is started, the screw rod 62 is driven to rotate, so that the translation plate 63 and the moving plate 2 above move forward and backward.
[0028] The fixing assembly 3 includes a placement plate 31, which is fixed to the left or right end of the moving plate 2. The placement plate 31 is located inside the fixing frame 41 and the fixing frame 51. A cylinder 32 is fixed on the placement plate 31. A limit plate is fixed to the output end of the cylinder 32. The cylinder 32 is installed on the placement plate 31. The output end of the cylinder 32 drives the limit plate to press down the surface of the workpiece to prevent the position of the workpiece from being offset.
[0029] It should be noted that the utility model is a surface quality detection device. The workpiece to be detected is placed on the upper end of the movable plate 2, and the cylinder 32 is started. The output end of the cylinder 32 moves downward, so that the limit plate presses the surface of the workpiece. The displacement motor 61 is started to drive the screw 62 to rotate, so that the translation plate 63 and the upper movable plate 2 move backward. The electric push rod 43 is started, and the output end of the electric push rod 43 moves downward for a certain distance, so that the roller 46 moves downward to the surface of the workpiece. The roller 46 rolls on the surface of the workpiece. The roller 46 moves up and down through the action of the telescopic rod 42 and the spring 44. The laser emitted by the laser source 8 is reflected back to the receiver on the laser source 8 after being sensed by the sensor bar 7. The distance that the roller 46 moves up and down is measured by the change in the reflection angle, and then it is known whether the shape of the surface of the object meets the standard. The workpiece continues to move backward, and is photographed by the image acquisition camera 52 and compared with the data in the database to determine whether the surface of the object has scratches and stains. After the inspection is completed, the workpiece is taken away, and the displacement motor 61 is reversed to move the movable plate 2 forward to continue to inspect other workpieces.
[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A surface quality detection device, comprising a base (1), characterized in that: A movable plate (2) is arranged at the upper end of the base (1), and a movable assembly (6) is arranged at the lower end of the base (1). The movable assembly (6) passes through the base (1) and extends upward to the lower end of the movable plate (2) and is fixedly connected to the lower end of the movable plate (2). A pressing assembly (4) is fixed to both left and right ends of the base (1). The pressing assembly (4) extends upward to the top of the movable plate (2). A sensing strip (7) and a laser source (8) are arranged inside the pressing assembly (4). The laser source (8) and the sensing strip (7) are arranged at intervals in the upper and lower parts. Two fixing assemblies (3) are fixed to the left front end and the right front end of the movable plate (2). The fixing assemblies (3) on the left and right sides are arranged at intervals in the front and rear parts. A shooting assembly (5) is fixed to both the left rear end and the right rear end of the base (1).
2. A surface quality detection device according to claim 1, characterized in that: The pressing assembly (4) comprises a fixing frame (41), the left front side and the right front side of the base (1) are fixedly connected to the fixing frame (41), an electric push rod (43) is fixed to the upper end of the fixing frame (41), the output end of the electric push rod (43) movably passes through the upper end of the fixing frame (41), a telescopic rod (42) is fixed to the output end of the electric push rod (43), a spring (44) is sleeved on the side surface of the telescopic rod (42), a mounting frame (45) is fixed to the lower end of the telescopic rod (42), the mounting frame (45) is C-shaped and opens downward, and the left and right inner walls of the mounting frame (45) are rotatably connected to rollers (46) through bearings, and the rollers (46) are located above the movable plate (2).
3. A surface quality detection device according to claim 2, characterized in that: The sensor strip (7) is fixed to the right end of the mounting frame (45), and the laser source (8) is fixed to the upper inner wall of the fixing frame (41).
4. A surface quality detection device according to claim 3, characterized in that: The shooting assembly (5) comprises a fixed frame (51), the fixed frame (51) is located behind the fixed frame (41), the left rear side and the right rear side of the base (1) are fixedly connected to the fixed frame (51), and an image acquisition camera (52) is fixed on the upper inner wall of the fixed frame (51).
5. A surface quality detection device according to claim 4, characterized in that: The upper end of the base (1) is provided with a through slot, the moving assembly (6) comprises a translation plate (63) and a displacement motor (61), the translation plate (63) is located inside the through slot, the upper end of the translation plate (63) is fixedly connected to the lower end of the moving plate (2), a screw rod (62) is threadedly penetrated on the translation plate (63), the displacement motor (61) is located at the rear side of the lower end of the base (1), and the output end of the displacement motor (61) is drivingly connected to the rear end of the screw rod (62).
6. A surface quality detection device according to claim 5, characterized in that: The fixing assembly (3) comprises a placement plate (31), the placement plate (31) being fixed to the left end or the right end of the movable plate (2), the placement plate (31) being located inside the fixing frame (41) and the fixing frame (51), a cylinder (32) being fixed on the placement plate (31), and a limit plate being fixed to the output end of the cylinder (32).