Flatness visual detection method and device
By designing a planar vision detection device with multi-angle rotation and adjustment, the limitation that only flat and sluggish detection surfaces must be perpendicular in the prior art is solved, and accurate detection of special external workpieces is achieved, which improves detection flexibility and accuracy sex.
Patent Information
- Application Number
- CN202411467030.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-01-03
AI Technical Summary
In the prior art, the scanner can only move in parallel between front, back, left and right, and the scanner always scans vertically downward, resulting in only detecting workpieces that are flat and have to be vertically upward, and cannot adapt to workpieces with special appearance or non-vertical inspection surfaces. , affects the accuracy of detection.
A flatness visual detection device including a base, a bracket, a clamping unit, a scanner and an adjustment component is designed. Through an arc-shaped track and slide structure, the scanner allows the scanner to rotate and adjust at multiple angles and adapt to workpieces of different shapes. .
Multi-angle planarity visual inspection of workpieces with different shapes is realized, without the need for vertical upward detection surface, improving the flexibility and accuracy of detection.
Smart Images
Figure CN119245559A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of flatness visual detection, and in particular to a flatness visual detection method and a device thereof. Background Art
[0002] Currently, after the workpiece is processed, in order to ensure the production qualification rate, the surface flatness of the product needs to be tested. The traditional method is to observe with the naked eye, which makes it difficult to judge small defects.
[0003] In the prior art, the workpiece is placed and fixed, the cooling plate is assembled on the assembly plate, the lifting cylinder drives the assembly plate to move up and down, and at the same time the moving cylinder drives the assembly plate to move forward and backward, so that the scanner can move forward and backward together with the assembly plate, so that the scanner can perform front and back flatness detection on the cooling plate, and the slide plate slides on the sliding rail to drive the visual camera to move along the left and right moving direction, so as to perform left and right flatness detection on the cooling plate.
[0004] However, in the aforementioned prior art, the scanner can only be moved parallel to the front, back, left and right, and the scanner always scans vertically downward, so that the workpiece to be inspected can only be placed flat, and the inspection surface must be vertically upward, otherwise it will affect the inspection accuracy; resulting in the inability to accurately inspect workpieces with special shapes, which cannot be placed flat or the inspection surface cannot be vertically upward, which is very inconvenient. Summary of the invention
[0005] The purpose of the present invention is to provide a method and device for visual inspection of flatness, so as to solve the problem in the prior art that the scanner can only be moved parallel to the front, back, left and right, and the scanner always scans vertically downward, so that the workpiece to be inspected can only be placed flat, and the inspection surface must be vertically upward, otherwise it will affect the inspection accuracy; resulting in the inability to accurately inspect workpieces with special shapes, which cannot be placed flat or the inspection surface cannot be vertically upward, which is very inconvenient.
[0006] To achieve the above object, the present invention provides a flatness visual inspection device, comprising a base, a bracket, two clamping units, a scanner and an adjustment assembly, wherein the bracket is fixedly connected to the base and is located above the base, the two clamping units are symmetrically arranged above the base, and the scanner is arranged below the bracket;
[0007] The adjustment component comprises an arc track and a first slider, the arc track is arranged below the bracket, the first slider is slidably connected to the arc track, and the scanner is arranged below the first slider.
[0008] Wherein, the adjustment assembly further comprises two sliding units, and the two sliding units are symmetrically arranged on the base;
[0009] The sliding unit includes a second slider and a first cylinder. The base has an arc groove. The second slider and the arc groove are adapted to each other. The first cylinder is rotatably connected to the base and is located above the base. The output end of the first cylinder is rotatably connected to one side of the second slider.
[0010] Among them, the clamping unit includes a support plate, a second cylinder, a clamping plate and a plurality of first anti-slip pads, the support plate is fixedly connected to the second slider and is located above the second slider, the second cylinder is fixedly connected to the support plate and is located on one side of the support plate, the output end of the second cylinder is fixedly connected to the clamping plate, and a plurality of first anti-slip pads are fixedly connected to the clamping plate and are distributed in sequence on one side of the clamping plate.
[0011] Wherein, the adjustment assembly further comprises a conveying unit, and the conveying unit is arranged above the base;
[0012] The conveying unit includes a first electric slide rail, a third slider, a third cylinder and a placement mechanism. The first electric slide rail is fixedly connected to the base and is located above the base. The third slider is slidably connected to the first electric slide rail. The third cylinder is fixedly connected to the third slider and is located above the third slider. The placement mechanism is arranged at the output end of the third cylinder.
[0013] Wherein, the placing mechanism includes a placing plate and a plurality of second anti-slip pads, the placing plate is arranged at the output end of the third cylinder, and the plurality of second anti-slip pads are fixedly connected to the placing plate and are sequentially distributed above the placing plate.
[0014] Wherein, the adjustment assembly further comprises a moving unit, and the moving unit is arranged on the inner top wall of the bracket;
[0015] The moving unit includes a second electric slide rail, a fourth slider, a fourth cylinder, two support blocks, two fifth cylinders and two auxiliary sliders. The second electric slide rail is fixedly connected to the bracket and is located on the inner top wall of the bracket. The fourth slider is slidably connected to the second electric slide rail. The arc slide rail is arranged below the fourth slider. The fourth cylinder is fixedly connected to the first slider and is located below the first slider. The output end of the fourth cylinder is fixedly connected to the scanner; the two support blocks are symmetrically arranged at both ends of the arc slide rail, the two fifth cylinders are rotatably connected to the corresponding support blocks respectively, the output ends of the two fifth cylinders are rotatably connected to the first slider and are symmetrically distributed at both ends of the first slider, the bracket has two auxiliary grooves, one end of the two auxiliary sliders is slidably connected to the corresponding auxiliary grooves respectively, and the other ends of the two auxiliary sliders are fixedly connected to the top of the corresponding support blocks respectively.
[0016] The present invention also provides a flatness visual inspection method, which uses the flatness visual inspection device described above and comprises the following steps:
[0017] The inspection workpiece is placed on the placement plate, and the first electric slide rail is started to drive the third slide block to move, so that the inspection workpiece moves to the bottom of the clamping unit;
[0018] The third cylinder is started to move the inspection workpiece between the two clamping units;
[0019] The second cylinder is started to drive the clamping plate to move, and the first anti-slip pad contacts the test workpiece to clamp and fix it;
[0020] The first cylinder is started to drive the second slider to slide in the arc groove, and at the same time the second cylinder on the other side is contracted to synchronously drive the detection workpiece to rotate;
[0021] At the same time, the second electric slide rail starts to drive the fourth slide to move and adjust the position of the scanner laterally;
[0022] The fourth cylinder is started to drive the scanner to move up and down to adjust the height;
[0023] The fifth cylinder is started to drive the first slider to slide in the arc-shaped slide rail, and the scanner angle is rotated to adjust to perform multi-angle flatness visual inspection.
[0024] A method and device for visual flatness inspection of the present invention places the inspection workpiece on the base, clamps and fixes it with the clamping unit, and then the first slider slides on the arc track to drive the scanner to rotate and adjust the angle above the inspection workpiece. Through the above-mentioned structural setting, multi-angle visual flatness inspection can be performed, so that the scanner is aligned with the inspection surface of the inspection workpiece, and can be adapted to inspection workpieces of different shapes, without the inspection surface of the inspection workpiece being vertically upward. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.
[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention.
[0027] Figure 2 It is a cross-sectional view of the whole of the present invention.
[0028] Figure 3 The present invention Figure 2 AA line section view.
[0029] Figure 4 The present invention Figure 1 Enlarged view of the local structure at point B.
[0030] Figure 5 It is a flow chart of the steps of the flatness visual inspection method of the present invention.
[0031] 1-base, 2-bracket, 3-scanner, 4-arc track, 5-first slider, 6-second slider, 7-first cylinder, 8-arc groove, 9-support plate, 10-second cylinder, 11-clamping plate, 12-first anti-skid pad, 13-first electric slide rail, 14-third slider, 15-third cylinder, 16-placing plate, 17-second anti-skid pad, 18-second electric slide rail, 19-fourth slider, 20-fourth cylinder, 21-support block, 22-fifth cylinder, 23-auxiliary slider, 24-auxiliary groove. DETAILED DESCRIPTION
[0032] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.
[0033] See also Figures 1 to 4The present invention provides a flatness visual inspection device, comprising a base 1, a bracket 2, two clamping units, a scanner 3 and an adjustment component, wherein the adjustment component comprises an arc track 4 and a first slider 5, the adjustment component further comprises two sliding units, the sliding unit comprises a second slider 6 and a first cylinder 7, the base 1 has an arc groove 8, the clamping unit comprises a support plate 9, a second cylinder 10, a clamping plate 11 and a plurality of first anti-slip pads 12, the adjustment component further comprises a conveying unit, the conveying unit comprises a first electric slide rail 13, a third slider 14, a third cylinder 15 and a placement mechanism, the placement mechanism comprises a placement plate 16 and a plurality of second anti-slip pads 17, the adjustment component further comprises a moving unit, the moving unit comprises a second electric slide rail 18, a fourth slider 19, a fourth cylinder 20, two support blocks 21, two fifth cylinders 22 and two auxiliary sliders 23.
[0034] The bracket 2 is fixedly connected to the base 1 and is located above the base 1. The two clamping units are symmetrically arranged above the base 1. The scanner 3 is arranged below the bracket 2. The arc track 4 is arranged below the bracket 2. The first slider 5 is slidably connected to the arc track 4, and the scanner 3 is arranged below the first slider 5. The inspection workpiece is placed above the base 1, clamped and fixed by the clamping unit, and then the first slider 5 slides on the arc track 4, driving the scanner 3 to rotate and adjust the angle above the inspection workpiece, thereby performing multi-angle flatness visual inspection, so that the scanner 3 is aligned with the inspection surface of the inspection workpiece, and can adapt to inspection workpieces of different shapes, without the inspection surface of the inspection workpiece being vertically upward.
[0035] Secondly, the two sliding units are symmetrically arranged on the base 1; the base 1 has an arc groove 8, the second slider 6 is adapted to the arc groove 8, the first cylinder 7 is rotatably connected to the base 1 and is located above the base 1, and the output end of the first cylinder 7 is rotatably connected to one side of the second slider 6. The first cylinder 7 is started to drive the second slider 6 to slide in the arc groove 8, and the two second sliders 6 slide at the same time, driving the clamped inspection workpiece to rotate and adjust.
[0036] At the same time, the support plate 9 is fixedly connected to the second slider 6 and is located above the second slider 6. The second cylinder 10 is fixedly connected to the support plate 9 and is located on one side of the support plate 9. The output end of the second cylinder 10 is fixedly connected to the clamping plate 11. The first anti-skid pads 12 are all fixedly connected to the clamping plate 11 and are sequentially distributed on one side of the clamping plate 11. When the second cylinder 10 is started, the clamping plate 11 is driven to move. The first anti-skid pads 12 play an anti-skid role and clamp the detection workpiece above the placement plate 16.
[0037] In addition, the conveying unit is arranged above the base 1; the first electric slide rail 13 is fixedly connected to the base 1 and is located above the base 1; the third slider 14 is slidably connected to the first electric slide rail 13; the third cylinder 15 is fixedly connected to the third slider 14 and is located above the third slider 14; and the placement mechanism is arranged at the output end of the third cylinder 15. The first electric slide rail 13 is started, driving the third slider 14 to move, so that the placement mechanism moves to the bottom of the clamping unit; the third cylinder 15 is started, driving the inspection workpiece to move upward and be located between the two clamping units, so that it can be clamped and fixed at this time; at this time, the placement mechanism moves downward to avoid hindering the rotation adjustment of the inspection mechanism; after the inspection of the inspection workpiece is completed, the placement mechanism moves upward again to receive the unclamped inspection workpiece, and then re-transports it away from the clamping unit so that the staff can replace the inspection workpiece.
[0038] Then, the placing plate 16 is arranged at the output end of the third cylinder 15, and a plurality of the second anti-skid pads 17 are fixedly connected to the placing plate 16 and sequentially distributed above the placing plate 16. The placing plate 16 is convenient for placing the inspection workpiece, and the second anti-skid pads 17 play an anti-skid role.
[0039] Finally, the moving unit is arranged on the inner top wall of the bracket 2; the second electric slide rail 18 is fixedly connected to the bracket 2 and is located on the inner top wall of the bracket 2; the fourth slider 19 is slidably connected to the second electric slide rail 18; the arc slide rail is arranged below the fourth slider 19; the fourth cylinder 20 is fixedly connected to the first slider 5 and is located below the first slider 5; the output end of the fourth cylinder 20 is fixedly connected to the scanner 3; the two support blocks 21 are symmetrically arranged at both ends of the arc slide rail; the two fifth cylinders 22 are rotatably connected to the corresponding support blocks 21 respectively; the output ends of the two fifth cylinders 22 are rotatably connected to the first slider 5 and are symmetrically distributed at both ends of the first slider 5; the bracket 2 has two auxiliary grooves 24; one end of the two auxiliary sliders 23 is slidably connected to the corresponding auxiliary grooves 24 respectively; the other ends of the two auxiliary sliders 23 are fixedly connected to the top of the corresponding support blocks 21 respectively. The second electric slide rail 18 is started to drive the fourth slide block 19 to move, so that the scanner 3 is adjusted in position laterally. The fourth cylinder 20 is started to drive the scanner 3 to move up and down to adjust the height. The support block 21 supports the fifth cylinder 22. The fifth cylinder 22 is started to drive the first slide block 5 to slide in the arc-shaped slide rail. When the arc-shaped slide rail is adjusted laterally, the auxiliary slide block 23 slides in the auxiliary groove 24 to maintain sliding stability.
[0040] When using a flatness visual inspection device of the present embodiment, the inspection workpiece is placed on the placement plate 16, the first electric slide rail 13 is started, driving the third slide block 14 to move, so that the inspection workpiece moves to the bottom of the clamping unit; the third cylinder 15 is started, and the inspection workpiece is moved between the two clamping units; the second cylinder 10 is started, driving the clamping plate 11 to move, and the inspection workpiece is clamped and fixed by the first anti-slip pad 12; the first cylinder 7 is started, driving the second slide block 6 to slide in the arc groove 8, and the second cylinder 10 on the other side is contracted, synchronously driving the inspection workpiece to rotate; at the same time, the second electric slide rail 18 is started, driving the fourth slide block 19 to move, and the position of the scanner 3 is adjusted laterally; the fourth cylinder 20 is started, driving the scanner 3 to move up and down, and adjust the height; the fifth cylinder 22 is started, driving the first slide block 5 to slide in the arc slide rail, and rotatingly adjusting the angle of the scanner 3, so as to perform multi-angle flatness visual inspection.
[0041] See also Figure 5 The present invention also provides a flatness visual detection method, comprising the following steps:
[0042] S1: placing the inspection workpiece on the placement plate 16, starting the first electric slide rail 13, driving the third slide block 14 to move, so that the inspection workpiece moves to the bottom of the clamping unit;
[0043] S2: the third cylinder 15 is started to move the inspection workpiece between the two clamping units;
[0044] S3: The second cylinder 10 is started to drive the clamping plate 11 to move, and the first anti-slip pad 12 contacts the test workpiece to clamp and fix it;
[0045] S4: The first cylinder 7 is started, driving the second slider 6 to slide in the arc groove 8, while the second cylinder 10 on the other side is contracted, synchronously driving the detection workpiece to rotate;
[0046] S5: At the same time, the second electric slide rail 18 is started, driving the fourth slide block 19 to move, and adjusting the position of the scanner 3 laterally;
[0047] S6: The fourth cylinder 20 is started to drive the scanner 3 to move up and down to adjust the height;
[0048] S7: The fifth cylinder 22 is started to drive the first slider 5 to slide in the arc-shaped slide rail, and the angle of the scanner 3 is rotated to adjust to perform multi-angle flatness visual inspection.
[0049] Among them, the inspection workpiece is placed on the placement plate 16, the first electric slide rail 13 is started, driving the third slide block 14 to move, so that the inspection workpiece moves to the bottom of the clamping unit; the third cylinder 15 is started to move the inspection workpiece between the two clamping units; the second cylinder 10 is started to drive the clamping plate 11 to move, and the inspection workpiece is contacted with the first anti-slip pad 12 to clamp it; the first cylinder 7 is started to drive the second slide block 6 to slide in the arc groove 8, and the second cylinder 10 on the other side is contracted, synchronously driving the inspection workpiece to rotate; at the same time, the second electric slide rail 18 is started to drive the fourth slide block 19 to move, and the position of the scanner 3 is adjusted laterally; the fourth cylinder 20 is started to drive the scanner 3 to move up and down to adjust the height; the fifth cylinder 22 is started to drive the first slide block 5 to slide in the arc slide rail, and the angle of the scanner 3 is rotated to adjust the angle, so as to perform multi-angle flatness visual inspection.
[0050] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.
Claims
1. A flatness visual inspection device, comprising a base, a bracket, two clamping units and a scanner, wherein the bracket is fixedly connected to the base and is located above the base, the two clamping units are symmetrically arranged above the base, and the scanner is arranged below the bracket, characterized in that: Also included are adjustment components; The adjustment component comprises an arc track and a first slider, the arc track is arranged below the bracket, the first slider is slidably connected to the arc track, and the scanner is arranged below the first slider.
2. The flatness visual inspection device according to claim 1, characterized in that: The adjustment assembly further includes two sliding units, and the two sliding units are symmetrically arranged on the base; The sliding unit includes a second slider and a first cylinder. The base has an arc groove. The second slider and the arc groove are adapted to each other. The first cylinder is rotatably connected to the base and is located above the base. The output end of the first cylinder is rotatably connected to one side of the second slider.
3. The flatness visual inspection device according to claim 2, characterized in that: The clamping unit includes a support plate, a second cylinder, a clamping plate and a plurality of first anti-slip pads, the support plate is fixedly connected to the second slider and is located above the second slider, the second cylinder is fixedly connected to the support plate and is located on one side of the support plate, the output end of the second cylinder is fixedly connected to the clamping plate, and the plurality of first anti-slip pads are all fixedly connected to the clamping plate and are distributed in sequence on one side of the clamping plate.
4. The flatness visual inspection device according to claim 3, characterized in that: The adjustment assembly further includes a conveying unit, and the conveying unit is arranged above the base; The conveying unit includes a first electric slide rail, a third slider, a third cylinder and a placement mechanism. The first electric slide rail is fixedly connected to the base and is located above the base. The third slider is slidably connected to the first electric slide rail. The third cylinder is fixedly connected to the third slider and is located above the third slider. The placement mechanism is arranged at the output end of the third cylinder.
5. The flatness visual inspection device according to claim 4, characterized in that: The placing mechanism comprises a placing plate and a plurality of second anti-skid pads. The placing plate is arranged at the output end of the third cylinder. The plurality of second anti-skid pads are fixedly connected to the placing plate and are sequentially distributed above the placing plate.
6. The flatness visual inspection device according to claim 5, characterized in that: The adjustment assembly further includes a moving unit, and the moving unit is disposed on the inner top wall of the bracket; The moving unit includes a second electric slide rail, a fourth slider, a fourth cylinder, two support blocks, two fifth cylinders and two auxiliary sliders. The second electric slide rail is fixedly connected to the bracket and is located on the inner top wall of the bracket. The fourth slider is slidably connected to the second electric slide rail. The arc slide rail is arranged below the fourth slider. The fourth cylinder is fixedly connected to the first slider and is located below the first slider. The output end of the fourth cylinder is fixedly connected to the scanner; the two support blocks are symmetrically arranged at both ends of the arc slide rail, the two fifth cylinders are rotatably connected to the corresponding support blocks respectively, the output ends of the two fifth cylinders are rotatably connected to the first slider and are symmetrically distributed at both ends of the first slider, the bracket has two auxiliary grooves, one end of the two auxiliary sliders is slidably connected to the corresponding auxiliary grooves respectively, and the other ends of the two auxiliary sliders are fixedly connected to the top of the corresponding support blocks respectively.
7. A flatness visual inspection method, using the flatness visual inspection device as claimed in claim 6, characterized in that: The steps include: The inspection workpiece is placed on the placement plate, and the first electric slide rail is started to drive the third slide block to move, so that the inspection workpiece moves to the bottom of the clamping unit; The third cylinder is started to move the inspection workpiece between the two clamping units; The second cylinder is started to drive the clamping plate to move, and the first anti-slip pad contacts the test workpiece to clamp and fix it; The first cylinder is started to drive the second slider to slide in the arc groove, and at the same time the second cylinder on the other side is contracted to synchronously drive the detection workpiece to rotate; At the same time, the second electric slide rail starts to drive the fourth slide to move and adjust the position of the scanner laterally; The fourth cylinder is started to drive the scanner to move up and down to adjust the height; The fifth cylinder is started to drive the first slider to slide in the arc-shaped slide rail, and the scanner angle is rotated to adjust to perform multi-angle flatness visual inspection.