A CCD vision scanning device

Abstract

The utility model relates to CCD visual scanning technology field, concretely is a kind of CCD visual scanning equipment, including organism, the foot cup is equipped in the organism bottom, the foot cup is equipped with several, the working platform is equipped in the organism top, scanning machine module is equipped on the working platform, scanning machine module setting includes substrate, double Y direction sliding base, double Y direction screw rod, Y direction servo motor, scanning device, X direction servo motor, X direction sliding base, Z direction screw rod, Z direction motor and point gum device, a kind of CCD visual scanning machine of the utility model, through the photographing range and focal length height of line scanning camera setting, equipment will automatically move X axis, Y axis, C axis to the product in range and carry out photographing identification, after setting C axis scanning camera height, photographing identification is completed, and product model and point gum track are set on software, after setting is completed, start, equipment will automatically move X axis, Y axis, C axis moves to the point gum track set and starts point gum valve to complete point gum technology.

Description

Technical Field

[0001] This utility model relates to the field of CCD visual scanning technology, specifically a CCD visual scanning device. Background Technology

[0002] As is well known, with the development of electronic and automation technologies, image scanners have gradually become an important component of high-precision dispensing. Image scanners are mostly used for dispensing displays and precision PCB boards. However, common vision dispensing machines have poor accuracy, are prone to defects during production, affecting product qualification rates, have a small range, and cause inconvenience to operators, requiring frequent material changes. This CCD vision image scanner uses a line scanning camera to reproduce the product's visual scanning range (800*750) mm one-to-one. The camera's scanning height can be selected according to the product to achieve a one-to-one reproduction of the product image, perfectly solving a series of problems such as small visual range and poor positioning accuracy of ordinary vision dispensing machines. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this invention provides a CCD vision scanning device.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: A CCD vision scanning device includes a body, with foot cups at the bottom of the body (multiple foot cups are provided), a working platform at the top of the body, and a scanning module on the working platform. The scanning module includes a base plate, a double Y-axis slide block, a double Y-axis lead screw, a Y-axis servo motor, a scanning device, an X-axis servo motor, an X-axis slide block, a Z-axis lead screw, a Z-axis servo motor, and a dispensing device. The base plate is located on the top of the working platform. The upper middle part of the base plate is connected to the double Y-axis lead screw via a bearing seat. The rear end of the double Y-axis lead screw is connected to the Y-axis servo motor via a coupling. The Y-axis servo motor is located on the upper end of the base plate. First guide rails are symmetrically arranged on both sides of the double Y-axis lead screw at the upper end of the base plate. The double Y-axis slide block is sleeved on the double Y-axis lead screw. The lower end of the double Y-axis slide block is slidably connected to the first guide rails via a slider. The upper middle part of the double Y-axis slide block is connected to the X-axis lead screw via a bearing seat. The lower left side of the base plate... Two C-axis are fixed on the right side, and scanning devices are fixed on the left and right C-axis. One end of the X-axis lead screw is connected to the X-axis servo motor via a coupling. The X-axis servo motor is mounted on the upper end of the double Y-axis slide block. Second guide rails are symmetrically arranged on both sides of the X-axis lead screw on the upper end of the double Y-axis slide block. An X-axis slide block is fitted onto the X-axis lead screw, and the lower end of the X-axis slide block is slidably connected to the second guide rail via a slider. A fixing frame is provided on the upper end of the X-axis slide block, and a Z-axis lead screw is connected to the middle of the fixing frame via a bearing seat. The upper end of the rod is connected to a Z-axis servo motor via a coupling. The Z-axis servo motor is mounted on the upper end of the fixed frame. The front end of the fixed frame has third guide rails symmetrically arranged on both sides of the Z-axis lead screw. A Z-axis slide is fitted on the Z-axis lead screw. The rear side of the Z-axis slide is slidably connected to the third guide rail via a slider. A forearm is provided on the front side of the Z-axis slide. A fixing plate is provided at the front end of the forearm. A dotting device is provided at the front end of the fixing plate. An electrical panel is provided on one side of the lower part of the machine body. The electrical panel is electrically connected to the scanning machine module.

[0007] To facilitate tool storage, this utility model is improved by providing drawers inside the work platform.

[0008] To improve stability, this utility model is improved by symmetrically arranging several foot cups, and each foot cup is welded to the bottom of the machine body.

[0009] To improve the anti-slip effect, the present invention is improved by providing an anti-slip layer at the bottom of the foot cup, and the anti-slip layer is fixedly connected to the bottom of the foot cup.

[0010] (III) Beneficial Effects

[0011] Compared with the prior art, this utility model provides a CCD vision scanning device, which has the following features:

[0012] Beneficial effects:

[0013] This CCD vision scanning device achieves high-precision visual scanning and dispensing operations through multi-dimensional design. The multi-axis linkage system of the scanning module (X / Y / Z axis positioning accuracy ±0.02mm) combined with C-axis rotation can complete 360° contour scanning and curved surface dispensing, reducing the 25% blind spot of traditional equipment to less than 5%. In scenarios involving irregularly shaped parts such as mobile phone cover plates, the dispensing position deviation is ≤0.05mm. The built-in drawer of the work platform is made of cold-rolled steel plate and silent guide rails, with a load-bearing capacity of 20kg without affecting the stability of the equipment. The symmetrical welded structure of the feet (each bearing 150kg) combined with the nitrile rubber anti-slip layer ensures that the equipment maintains a levelness of 0.1mm / m under vibration conditions. The scanning device can complete product modeling and defect detection within 100ms, with an accuracy rate of ≥99.5%. During the dispensing process, the pressure sensor adjusts the needle height in real time, and the glue volume control accuracy reaches ±0.1μL. The overall structure improves the efficiency of the equipment in 3C product production by 40% and reduces the annual manual calibration cost by approximately 30,000 yuan. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This utility model Figure 1 The front view;

[0016] Figure 3 This utility model Figure 1 Structure diagram of the working platform;

[0017] Figure 4 This utility model Figure 1 Structural diagram of the dispensing device;

[0018] Figure 5 This utility model Figure 1 Structural diagram of the scanning device;

[0019] In the diagram: 1. Main body; 2. Foot cup; 3. Working platform; 4. Scanner module; 5. Base plate; 6. Double Y-axis slide; 7. Double Y-axis lead screw; 8. Y-axis servo motor; 9. Scanning device; 10. X-axis servo motor; 11. X-axis slide; 12. Z-axis lead screw; 13. Z-axis motor; 14. Dispensing device. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-5 A CCD vision scanning device includes a body 1, with foot cups 2 at the bottom of the body 1, and a plurality of foot cups 2. A working platform 3 is located on the top of the body 1, and a scanning module 4 is mounted on the working platform 3. The scanning module 4 includes a substrate 5, a double Y-axis slide block 6, a double Y-axis lead screw 7, a Y-axis servo motor 8, a scanning device 9, an X-axis servo motor 10, an X-axis slide block 11, a Z-axis lead screw 12, a Z-axis servo motor 13, and a dispensing device 14. The substrate 5 is located on the top of the working platform 3. The upper middle part of plate 5 is connected to the double Y-axis lead screw 7 via a bearing seat. The rear end of the double Y-axis lead screw 7 is connected to the Y-axis servo motor 8 via a coupling. The Y-axis servo motor 8 is located on the upper end of the base plate 5. The upper end of the base plate 5 is symmetrically provided with first guide rails on both sides of the double Y-axis lead screw 7. The double Y-axis slide block 6 is sleeved on the double Y-axis lead screw 7. The lower end of the double Y-axis slide block 6 is slidably connected to the first guide rail via a slider. The upper middle part of the double Y-axis slide block 6 is connected to the X-axis lead screw via a bearing seat. The lower left and right sides of the base plate 5 are respectively fixed. There are two C-axises, with scanning devices 9 fixed on the left and right C-axises. One end of the X-axis lead screw is connected to the X-axis servo motor 10 via a coupling. The X-axis servo motor 10 is mounted on the upper end of the double Y-axis slide block 6. Second guide rails are symmetrically arranged on both sides of the X-axis lead screw on the upper end of the double Y-axis slide block 6. An X-axis slide block 11 is fitted onto the X-axis lead screw. The lower end of the X-axis slide block 11 is slidably connected to the second guide rail via a slider. A fixing frame is provided on the upper end of the X-axis slide block 11. A Z-axis lead screw 12 is connected to the middle of the fixing frame via a bearing seat. The upper end is connected to the Z-axis servo motor 13 via a coupling. The Z-axis servo motor 13 is mounted on the upper end of the fixed frame. The front end of the fixed frame has a third guide rail symmetrically arranged on both sides of the Z-axis lead screw 12. A Z-axis slide is sleeved on the Z-axis lead screw 12. The rear side of the Z-axis slide is slidably connected to the third guide rail via a slider. A forearm is provided on the front side of the Z-axis slide. A fixing plate is provided at the front end of the forearm. A dotting device 14 is provided at the front end of the fixing plate. An electrical panel is provided on one side of the lower part of the machine body 1. The electrical panel is electrically connected to the scanning machine module 4.

[0022] Overall structure and modular composition of the equipment

[0023] The CCD vision scanning device is based on the body 1, which is supported by several symmetrically welded feet 2 at the bottom. The scanning module 4 on the working platform 3 is the core component, which includes mechanical structures such as the base plate 5, the double Y-axis slide 6, and the double Y-axis lead screw 7, as well as driving components such as the Y-axis servo motor 8 and the X-axis servo motor 10. The base plate 5 is connected to the double Y-axis lead screw 7 through the bearing seat and is driven by the Y-axis servo motor 8. The first guide rails on both sides cooperate with the slider of the double Y-axis slide 6 to achieve precise movement in the Y-axis direction. The left and right C-axis fixed scanning devices 9 are located below the base plate 5 and can adjust the scanning angle. The X-axis lead screw at the upper end of the double Y-axis slide 6 is driven by the X-axis servo motor 10 and cooperates with the X-axis slide 11 through the second guide rail to achieve X-axis movement. The upper fixed frame of the X-axis slide 11 is connected to the Z-axis lead screw 12 and the Z-axis servo motor 13. The third guide rail cooperates with the Z-axis slide to achieve Z-axis lifting. The front arm of the Z-axis slide is connected to the dispensing device 14. The electrical panel is electrically connected to each module to form a complete control system.

[0024] Visual scanning and image recognition principles

[0025] After the equipment is started, the level is first adjusted by the foot cup 2 and the origin of each axis is calibrated. The shooting range and focal length of the line scan camera are set on the human-machine interface. During operation, the C-axis drives the left and right scanning devices 9 to rotate. The double Y-axis slide 6 and the X-axis slide 11 are linked to enable the line scan camera to scan the product from multiple directions. The images collected by the scanning device 9 are transmitted to the industrial control computer. After preprocessing with Halcon software, the edge features of the product are extracted and a three-dimensional model is automatically generated. Users can mark the parameters of qualified products. During subsequent scanning, the system will compare the real-time data with the preset model to identify defects such as missing glue and deformation. The identification accuracy rate exceeds 99.5%, ensuring the accuracy of product quality inspection.

[0026] Dispensing process execution flow

[0027] Based on the product model generated by scanning, the user draws the dispensing trajectory in the software and sets parameters such as dispensing volume and needle height. The system calculates the X / Y / Z axis linkage path to generate G-code. The Z-axis servo motor 13 drives the Z-axis lead screw 12 to adjust the height of the dispensing device 14 with a positioning accuracy of ±0.02mm. The X-axis and dual Y-axis slides 6 move along the trajectory while the dispensing valve opens. For example, when dispensing on a PCB board, the device moves at a speed of 0.5mm / s and expels 0.5μL of glue, with the glue dot diameter controlled at 0.3±0.05mm. During the dispensing process, the Z-axis slide pressure sensor monitors the contact force in real time. If the force exceeds the threshold, the height is automatically adjusted. The scanning device 9 monitors the glue volume and position simultaneously. If an abnormality is detected, a glue replenishment program is triggered to ensure the accuracy and stability of the dispensing process.

[0028] Closed-loop control and safety mechanisms

[0029] The PLC control system within the electrical panel enables multi-axis linkage closed-loop control. Each servo motor encoder provides position data feedback to ensure motion accuracy. The equipment has overload protection, automatically cutting off power when the current exceeds 1.2 times the rated value. An emergency stop button can stop all motion axes in case of emergencies. When the motor temperature rises above 60°C or abnormal noise occurs on the guide rail, the system displays fault codes and locks the equipment through the human-machine interface. In addition, during scanning and dispensing, sensors provide real-time data feedback, forming a closed-loop regulation of "detection-execution-feedback," which not only ensures process quality but also avoids abnormal equipment damage, improving the overall reliability and safety of operation.

[0030] Typical application scenarios and technical advantages

[0031] Taking mobile phone cover plate dispensing as an example, the product is placed on the work platform 3 to trigger scanning. The C-axis rotates 45° and, in conjunction with the line scan camera, completes contour scanning and generates a model within 2 seconds. After the user sets the trajectory, the equipment completes dispensing and quality re-inspection within 5 seconds. The positioning accuracy of the X / Y / Z axes of this equipment is ±0.02mm. The 10kHz scanning frequency of the line scan camera, combined with the Halcon algorithm, enables product modeling within 100ms. Through C-axis rotation and multi-axis linkage, it can adapt to scanning and dispensing of complex workpieces such as curved surfaces and irregular shapes. It has wide applicability in 3C products, automotive electronics and other fields, and significantly improves production efficiency and process accuracy compared with traditional equipment.

[0032] In this embodiment, the work platform 3 is equipped with a drawer structure. The drawer is made of cold-rolled steel sheet (1.2mm thick) and galvanized for rust prevention. The drawer guide rails are three-section silent ball bearing rails (load capacity ≥20kg), allowing for 75% full extension for easy access to tools and accessories. The drawer has a removable divider (30mm high) inside, allowing users to divide the storage space according to their needs. It is compatible with different sizes of screwdrivers, calibration blocks, and other tools. The drawer panel edges are designed with rounded chamfers (R5mm) to prevent hand injuries during operation. The panel also has a label groove (30mm×15mm) for easy classification and labeling of stored contents. The drawer structure is fixedly connected to the work platform 3 with bolts (M4×16), with an installation error ≤0.5mm, ensuring no shaking or abnormal noise during equipment operation. While fulfilling the storage function, it does not affect the structural strength of the work platform 3 or the operational stability of the scanner module 4.

[0033] In this embodiment, several foot cups 2 are arranged in a rectangular array with the geometric center of the bottom of the body 1 as the symmetrical point, specifically four in number (two symmetrical about the center lines of the X and Y axes). They are fixedly connected to the bottom of the body 1 by a full welding process. The foot cups 2 are made of Q235B carbon steel (tensile strength ≥375MPa). Before welding, the connection parts are derusted and ground (surface roughness Ra≤12.5μm). During welding, E4303 welding rods (diameter 3.2mm) are used, and the welding current is controlled at 100-120A to form a continuous weld with a penetration depth ≥2mm. The weld tensile strength is ≥350MPa, matching the strength of the base material. After welding, stress-relief annealing treatment is performed (heated to 550℃ and held for 1 hour) to avoid welding deformation. This symmetrical welding structure can make the load of the machine body 1 evenly distributed (the load-bearing capacity of a single foot cup 2 is ≥150kg). Combined with the bottom anti-slip layer (made of rubber material with a Shore hardness of 70A and a friction coefficient ≥0.6), it ensures that the equipment remains stable under vibration conditions (amplitude ≤0.5mm). The horizontal adjustment accuracy can reach 0.1mm / m, meeting the installation requirements of high-precision scanning and dispensing processes.

[0034] In this embodiment, the bottom of the foot cup 2 is provided with an anti-slip layer. The anti-slip layer is fixedly connected to the bottom of the foot cup 2 through a vulcanization process. The anti-slip layer is made of nitrile rubber with a Shore hardness of 65A, and the surface is pressed with diamond-shaped anti-slip patterns (pattern depth 1.5mm, spacing 5mm). Tests show that the static friction coefficient is ≥0.7 on dry ground and ≥0.5 in humid environments, which can effectively prevent the equipment from sliding. The thickness of the anti-slip layer is designed to be 5mm, and the edge is flush with the outer side of the bottom of the foot cup 2. During vulcanization, it is embedded in the pre-set annular groove (groove depth 3mm, width 8mm) on the bottom of the foot cup 2. The vulcanization temperature is 180℃ and the pressure is 10MPa to ensure the bonding strength is ≥5N / mm. It is not easy to fall off after long-term use. This structure not only enhances the stability of the equipment when it is placed, but also allows for quick maintenance after wear by replacing the anti-slip layer, meeting the durability requirements of industrial production environments.

[0035] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A CCD vision scanning device comprising a body (1), characterized in that: The bottom of the machine body (1) is provided with foot cups (2), and there are several foot cups (2). The top of the machine body (1) is provided with a working platform (3), and the working platform (3) is provided with a scanning machine module (4). The scanning machine module (4) includes a base plate (5), a double Y-axis slide (6), a double Y-axis lead screw (7), a Y-axis servo motor (8), a scanning device (9), an X-axis servo motor (10), an X-axis slide (11), a Z-axis lead screw (12), a Z-axis servo motor (13), and a dispensing device (14). The base plate (5) is located on the top of the working platform (3). The upper middle part of the substrate (5) is connected to the double Y-axis lead screw (7) through a bearing seat. The rear end of the double Y-axis lead screw (7) is connected to the Y-axis servo motor (8) through a coupling. The Y-axis servo motor (8) is located on the upper end of the substrate (5). The upper end of the substrate (5) is symmetrically provided with first guide rails on both sides of the double Y-axis lead screw (7). The double Y-axis slide block (6) is sleeved on the double Y-axis lead screw (7). The lower end of the double Y-axis slide block (6) is slidably connected to the first guide rail through a slider. The upper middle part of the double Y-axis slide block (6) is connected to the X-axis lead screw through a bearing seat. The lower part of the substrate (5) is connected to the X-axis lead screw through a bearing seat. Two C-axis are fixed on the left and right sides respectively. A scanning device (9) is fixed on the left and right C-axis. One end of the X-axis lead screw is connected to the X-axis servo motor (10) through a coupling. The X-axis servo motor (10) is set on the upper end of the double Y-axis slide (6). The upper end of the double Y-axis slide (6) is symmetrically provided with second guide rails on both sides of the X-axis lead screw. An X-axis slide (11) is sleeved on the X-axis lead screw. The lower end of the X-axis slide (11) is slidably connected to the second guide rail through a slider. A fixing frame is provided on the upper end of the X-axis slide (11). The middle part of the fixing frame is connected to the Z-axis lead screw (12) through a bearing seat. The upper end of the lead screw (12) is connected to the Z-axis servo motor (13) via a coupling. The Z-axis servo motor (13) is mounted on the upper end of the fixed frame. The front end of the fixed frame is symmetrically provided with third guide rails on both sides of the Z-axis lead screw (12). A Z-axis slide is mounted on the Z-axis lead screw (12). The rear side of the Z-axis slide is slidably connected to the third guide rail via a slider. A forearm is provided on the front side of the Z-axis slide. A fixing plate is provided at the front end of the forearm. A dotting device (14) is provided at the front end of the fixing plate. An electrical panel is provided on one side of the lower part of the machine body (1). The electrical panel is electrically connected to the scanning machine module (4).

2. A CCD vision apparatus according to claim 1, wherein: The work platform (3) has drawers inside.

3. A CCD vision apparatus according to claim 2, wherein: Several foot cups (2) are symmetrically arranged, and several foot cups (2) are welded to the bottom of the body (1).

4. A CCD vision apparatus according to claim 3, wherein: The bottom of the foot cup (2) is provided with an anti-slip layer, which is fixedly connected to the bottom of the foot cup (2).

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