Automatic chamfering machine

Abstract

The invention relates to the technical field of automatic production process equipment, in particular to an automatic chamfering machine which comprises a feeding and discharging module, a grinding wheel rotating module, a machining module and a control system, a protective cover is arranged outside the grinding wheel rotating module, the automatic chamfering machine further comprises an imaging module, a main camera arranged in the protective cover and arranged beside a machining position, and an auxiliary camera arranged beside the machining position. The main camera is in communication connection with the control system; a mirror surface protective cover is mounted at the front end of a lens of the main camera; the air supply module is connected with the mirror surface protective cover through a pipeline; the mirror surface protective cover is provided with an inner cavity, the inner cavity is provided with an air outlet which is inclined downwards and discharges air outwards in front of a lens of the main camera, and air is supplied into the inner cavity through the air supply module, so that an air curtain which is inclined downwards and outputs air outwards is formed in front of the lens of the main camera; according to the invention, the product can be detected in real time, and the edge breakage of the product can be eliminated in real time.

Description

Technical Field

[0001] This invention relates to the field of automated production process equipment technology, specifically to an automatic chamfering machine. Background Technology

[0002] An automatic chamfering machine is an automated processing equipment that integrates automatic loading and unloading, position correction, automatic clamping, and automatic grinding (chamfering and edge beveling). It is widely used in the field of product edge grinding and polishing. For example, a multi-functional automatic chamfering machine disclosed in application number CN202123401373.4; although this equipment can achieve a high degree of automation, unpredictable micro-vibrations between the grinding disc and the workpiece during the actual grinding process can still cause chipping defects at the workpiece edges. Many factors contribute to chipping, and although optimizing process parameters such as the grinding disc speed and grinding head feed speed can reduce the chipping rate to some extent, it cannot fundamentally eliminate the problem.

[0003] In mass production, even if the proportion of chipped products is extremely low, a separate appearance quality inspection is still required after the grinding process to remove defective products. This not only extends the manufacturing cycle but also occupies additional production space and reduces production efficiency. To address this, some technical solutions attempt to introduce online detection modules into the equipment. By identifying chipped products in real time during the grinding process and automatically removing defective products, the independent quality inspection process can be eliminated. However, existing online detection solutions still have shortcomings in practical applications. For example, although commonly used CCD detection has high accuracy, its probe is located close to the grinding device, and after long-term operation, it is easily affected by the atomized particles generated by grinding, which affects the image quality and leads to unstable detection results. This restricts its reliability and consistency in long-term continuous production. Summary of the Invention

[0004] To address the aforementioned issues, an automatic chamfering machine is provided. This machine effectively identifies and rejects chipped products while ensuring online inspection accuracy and stability, thus solving the problem that existing grinding equipment cannot perform real-time inspection and efficient rejection of chipped products.

[0005] To address the problems of existing technologies, this invention provides an automatic chamfering machine, comprising a loading and unloading module, a grinding wheel rotation module, a processing module, and a control system. The grinding wheel rotation module is equipped with a protective cover and further includes: an imaging module disposed within the protective cover, the imaging module having a main camera located beside the processing position, and the main camera being communicatively connected to the control system; a mirror protective cover is installed at the front end of the lens of the main camera; an air supply module is connected to the mirror protective cover via a pipe; the mirror protective cover has an inner cavity, and the inner cavity forms a downward-sloping, outward-facing air outlet in front of the lens of the main camera. Gas is supplied into the inner cavity through the air supply module, thereby forming a downward-sloping, outward-facing air curtain in front of the lens of the main camera.

[0006] Preferably, the mirror protective cover consists of a connecting frame and an air guide that can cover the front end of the main camera, with the inner cavity opened inside the air guide; the air outlet is obliquely opened at the front end of the air guide to guide the gas to continuously form an oblique downward and outward air curtain at the front end of the main camera.

[0007] Preferably, the inner cavity consists of a first chamber and a second chamber connected in series, with the second chamber being smaller than the first chamber.

[0008] Preferably, the air guide is a rectangular chamber, which is horizontally inclinedly mounted at the front end of the main camera via a connecting frame.

[0009] Preferably, the air guide is a semi-circular arc-shaped cover; the arc-shaped cover is coaxially fixed above the front end of the main camera via a connecting frame.

[0010] Preferably, the imaging module further includes a background plate, which is disposed opposite to the main camera on both sides of the processing station.

[0011] Preferably, the bottom of the background panel is also provided with a light strip.

[0012] Preferably, the background panel is further provided with a dust blowing chamber and a dust suction chamber on both sides, which are capable of cleaning the surface of the background panel.

[0013] Preferably, the imaging module further includes a secondary camera, which is positioned directly in front of the processing station. The secondary camera is communicatively connected to the control system and is also equipped with the mirror protective cover.

[0014] Preferably, the protective cover is provided with slide rails for mounting the main camera and the secondary camera.

[0015] The advantages of this invention compared to the prior art are: 1. This invention, through the cooperation of a main camera, a secondary camera, a background plate, a mirror protective cover, and an air supply module, achieves the effect of real-time detection and comparison of grinding dust and materials when grinding materials through a rotating grinding wheel module, thereby promptly separating materials with chipped edges during the grinding process.

[0016] 2. This invention achieves the effect of intermittently removing dust adhering to the background board by using the combination of the dust blowing chamber and the dust suction chamber; through the alternating use of the dust blowing chamber and the dust suction chamber, the background board can be continuously and efficiently cleaned online without affecting the normal imaging of the main camera, ensuring that the surface of the background board is always clean and free of interference. Attached Figure Description

[0017] Figure 1 It is a 3D diagram of an automatic chamfering machine.

[0018] Figure 2 yes Figure 1 A magnified view of part A.

[0019] Figure 3 This is a 3D structural diagram of the protective cover and imaging module in an automatic chamfering machine.

[0020] Figure 4 It is a three-dimensional decomposition of the imaging module in an automatic chamfering machine. Figure 1 .

[0021] Figure 5 It is a three-dimensional decomposition of the imaging module in an automatic chamfering machine. Figure 2 .

[0022] Figure 6 This is a side view of the imaging module structure in an automatic chamfering machine. Figure 1 .

[0023] Figure 7 This is a side view of the imaging module structure in an automatic chamfering machine. Figure 2 .

[0024] Figure 8 yes Figure 7 Sectional view of section BB.

[0025] Figure 9 This is a side view of the imaging module structure in an automatic chamfering machine. Figure 3 .

[0026] Figure 10 It is a 3D view of the background board, dust blowing chamber, and dust suction chamber in an automatic chamfering machine.

[0027] The numbers on the map are: 1. Loading and unloading module; 2. Grinding wheel rotating module; 21. Protective cover; 3. Processing modules; 4. Control system; 5. Imaging module; 51. Main camera; 52. Mirror protective cover; 521. Air outlet; 522. Connecting frame; 523. Air guide; 53. First chamber; 54. Second chamber; 55. Background plate; 551. Dust blowing chamber; 552. Dust suction chamber; 56. Light strip; 57. Secondary camera; 58. Slide rail; 59. Sliding frame; 591. Locking component; 6. Gas supply module. Detailed Implementation

[0028] To further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0029] See Figures 1 to 10 The automatic chamfering machine includes a loading / unloading module 1, a grinding wheel rotation module 2, a processing module 3, and a control system 4. The grinding wheel rotation module 2 is equipped with a protective cover 21. It also includes an imaging module 5, housed within the protective cover 21. This imaging module 5 has a main camera 51 located beside the processing position, and the main camera 51 is communicatively connected to the control system 4. A mirror protective cover 52 is mounted on the front end of the lens of the main camera 51. An air supply module 6 is connected to the mirror protective cover 52 via a pipe. The mirror protective cover 52 has an inner cavity, and this inner cavity forms a downward-sloping, outward-facing air outlet 521 in front of the lens of the main camera 51. Gas is supplied into the inner cavity through the air supply module 6, thereby forming a downward-sloping, outward-facing air curtain in front of the lens of the main camera 51.

[0030] When automated edge and corner grinding of materials is required, the loading / unloading module 1, grinding wheel rotation module 2, processing module 3, and control system 4 are sequentially driven into operation. First, the loading / unloading module 1 automatically loads the material and performs position correction during the conveying process, accurately transferring the material to the clamping station of the processing module 3. After the processing module 3 starts, it reliably fixes the material through the clamping mechanism and tilts it towards the grinding wheel rotation module 2 at a set angle, ensuring that the material's edges and corners form the optimal processing angle with the grinding wheel's working surface, thus achieving continuous automatic grinding of the edges and corners.

[0031] During the material grinding process, the imaging module 5 operates synchronously with the detection system. The main camera 51 performs real-time image acquisition and dynamic comparison of the dust characteristics generated in the grinding area, and analyzes the morphology and size of the dust particles through image recognition algorithms. When particles significantly larger than those in conventional grinding dust are detected, it can be determined that edge chipping or flying off has occurred during the material grinding process, and the detection results are immediately fed back to the control system 4 so that defective products can be removed or process parameters can be adjusted in a timely manner during production.

[0032] To ensure that the main camera 51 maintains clear imaging even during prolonged continuous operation, a mirror protective cover 52 is installed at its front end, and an inclined downward and outward air curtain output structure is integrated within the mirror protective cover 52. During operation, this air curtain continuously sprays high-speed gas in front of the camera end, effectively blowing away the polishing dust adhering to the mirror surface, preventing dust accumulation or fogging from obstructing the view, thereby maintaining detection accuracy and imaging stability.

[0033] Through the coordinated operation of the loading / unloading module 1, the processing module 3, and the grinding wheel rotation module 2, fully automated high-precision grinding of material edges and corners is achieved. During the grinding process, the main camera 51 is introduced in conjunction with the real-time image detection of the imaging module 5, which can promptly identify edge chipping or flying off, improving the efficiency of online detection and defect removal. The application of the mirror protective cover 52 and the air curtain dust blowing structure effectively solves the problem of detection failure caused by dust obstruction, ensuring the detection stability and product consistency of the equipment during long-term operation, thereby significantly improving production efficiency and processing quality.

[0034] See Figure 5 As shown: The mirror protective cover 52 consists of a connecting frame 522 and an air guide 523 that can cover the front end of the main camera 51, with the inner cavity opened inside the air guide 523; the air outlet 521 is obliquely opened at the front end of the air guide 523 to guide the gas to continuously form an oblique downward and outward air curtain at the front end of the main camera 51.

[0035] During the continuous grinding of materials through the cooperation of the processing module and the grinding wheel rotation module 2, to prevent the large amount of dust generated by the grinding wheel rotation module 2 during high-speed operation from splashing onto the main camera 51 mirror surface and affecting image clarity and detection accuracy, the air supply module 6 continuously supplies air to the inner cavity inside the air guide component 523. The air supply module 6 delivers stable compressed gas along the air guide path and continuously sprays it out in the form of a covering air curtain through the air outlet 521 at the front end of the inner cavity. This air curtain forms a uniform and stable gas barrier in front of the main camera 51 mirror surface, effectively isolating high-speed moving and free dust particles in the air and preventing them from directly contacting the mirror surface. At the same time, the air curtain continuously blows away the fine dust around the mirror surface, ensuring that the main camera 51 mirror surface remains clean during long-term grinding operations.

[0036] See Figure 8 As shown: The inner cavity consists of a first chamber 53 and a second chamber 54 connected in series, with the second chamber 54 being smaller than the first chamber 53.

[0037] By arranging the first chamber 53 and the second chamber 54 in series, and designing the second chamber 54 to have a smaller volume than the first chamber 53, the flow rate and pressure of the gas are homogenized during its final discharge from the outlet 521, guided by the second chamber 54. When the gas enters the device, it first fills the first chamber 53. The large volume of the first chamber 53 provides initial buffering and pressure equalization, eliminating potential pulsations and localized pressure fluctuations during gas supply. Subsequently, the gas is introduced from the first chamber 53 into the smaller second chamber 54. The flow rate stabilization effect created by the difference in chamber volume further equalizes the pressure and flow rate of the gas entering the second chamber 54, resulting in a stable and uniform discharge through the outlet 521. This structure not only forms a stable and continuous dustproof air curtain at the gas output end but also avoids blind spots caused by gas turbulence, ensuring consistent and comprehensive dustproof performance.

[0038] Furthermore, the inner cavity can also be designed in a tapered shape, gradually decreasing in size.

[0039] By using a series combination of a first chamber 53 and a second chamber 54 with different volumes, the gas is buffered and uniformly discharged in stages, effectively avoiding problems such as uneven flow rate and unstable air curtain when the gas is directly output.

[0040] See Figure 9 As shown: The air guide 523 is specifically a rectangular chamber, which is horizontally inclinedly set at the front end of the main camera 51 via a connecting frame 522.

[0041] The rectangular compartment adopts a sealed housing design. The rectangular compartment is connected and fixed to the front end of the main camera 51 via a detachable connecting bracket 522, and the design of the connecting bracket 522 allows the rectangular compartment to be arranged in a horizontal position with a front-high and back-low tilt in front of the main camera 51.

[0042] This tilted installation method allows the dust curtain to cover the working area in front of the main camera 51 in a top-down, outward diffusion path during gas output, effectively preventing processing dust, debris, and other particles from adhering to the lens surface. Simultaneously, the rectangular chamber's internal cavity employs a first chamber 53 and a second chamber 54 design, achieving graded buffering and homogenization of the gas before output, further enhancing the stability and coverage of the dust curtain.

[0043] See Figure 6As shown: The air guide 523 is specifically an arc-shaped cover with a semi-circular arrangement; the arc-shaped cover is coaxially fixed above the front end of the main camera 51 through the connecting bracket 522.

[0044] The air guide 523 is an arc-shaped cover with a semi-circular structure. Its cross-sectional profile is adapted to the outer diameter of the main camera 51 to ensure coaxial stability and gas guiding effect after installation. The arc-shaped cover is coaxially fixed to the front end of the main camera 51 above the connecting bracket 522, so that the arc surface faces downward and covers the upper field of view area of ​​the main camera 51, thereby forming a protective air curtain covering the front of the lens under the action of gas.

[0045] In the protective state, after the gas enters the interior of the arc-shaped cover driven by the gas supply module 6, it first fills the inner cavity, and then the gas is guided to be evenly sprayed out along the arc surface through the gas outlet 521 at its front end, forming a curved air curtain covering the front end of the main camera 51. By adopting a structure of a first chamber 53 and a second chamber 54 connected in series, and the volume of the second chamber 54 being smaller than that of the first chamber 53, the gas can diffuse and equalize its pressure after entering the first chamber 53, and then form a stable and uniform gas when entering the second chamber 54. This ensures that the thickness and flow rate of the air curtain exiting from each gas outlet 521 are consistent, thereby effectively improving the dustproof performance.

[0046] By fixing a semi-circular arc cover coaxially above the front end of the main camera 51, and combining it with the air supply module 6 structure which has a first chamber 53 and a second chamber 54, stable pressure equalization and uniform ejection of gas are achieved, forming a continuous, stable, and comprehensive protective air curtain, which effectively prevents grinding dust from contacting the camera lens surface, ensuring image clarity and detection accuracy.

[0047] See Figure 10 As shown: The imaging module 5 also includes a background plate 55, which is disposed opposite to the main camera 51 on both sides of the processing station.

[0048] The background plate 55 is preferably made of a material with high flatness, low reflectivity, and wear-resistant and dust-proof properties. Its surface is treated with a matte finish and has a single, uniform color tone to avoid interference from impurities or light spots on image analysis. The background plate 55 is fixedly positioned behind the imaging area of ​​the main camera 51 and is perpendicular to the optical axis of the main camera 51, ensuring a stable and continuous solid-color background from any shooting angle. This structure effectively shields complex background information in the environment during processing or inspection, ensuring high contrast between the target object outline and the background in the image captured by the main camera 51, thereby improving the accuracy and stability of image segmentation, edge detection, and shape recognition.

[0049] By setting a solid-color background plate 55 with matte, dustproof and low reflective properties, a clean and interference-free background image can be continuously provided when the main camera 51 is working, which significantly improves image clarity and contrast, reduces recognition errors caused by cluttered backgrounds, and ensures that the system maintains high-precision detection and analysis capabilities even in high-speed production or complex environments.

[0050] See Figure 10 As shown: The bottom of the background plate 55 is also provided with a light strip 56.

[0051] The light strip 56 preferably uses an LED light source with adjustable color temperature and brightness, arranged at an appropriate position along the imaging area of ​​the main camera 51, and electrically connected to the control system 4. The light strip 56 can dynamically adjust the light intensity and color temperature according to the surface color, reflectivity, and texture characteristics of the material being detected, achieving a harmonious match with the color tone of the background panel 55 to form the best contrast effect. When the color of the background panel 55 is adjusted according to detection requirements, the light strip 56 can synchronously output the corresponding light color and intensity, thus ensuring that the contrast between the target object and the background is at its best under different material detection scenarios. This effectively reduces recognition errors caused by insufficient lighting, excessive reflection, or insignificant color differences, ensuring the stability and consistency of image acquisition quality.

[0052] By setting up an adjustable light strip 56 with adjustable color temperature and brightness, and working in conjunction with the background plate 55, the optimal contrast background effect can be achieved according to the characteristics of different polishing materials, significantly improving the imaging clarity and target recognition accuracy of the main camera 51.

[0053] See Figure 10 As shown: On both sides of the background plate 55, there are dust blowing chambers 551 and dust suction chambers 552 that are provided to clean the surface of the background plate 55.

[0054] Two sets of each of the blowing chamber 551 and suction chamber 552 are provided, and the two sets of blowing chamber 551 and suction chamber 552 are arranged opposite each other at both ends of the background plate 55, forming a symmetrical cleaning structure for the surface of the background plate 55. The blowing chamber 551 is equipped with a jet channel and a multi-hole nozzle array that communicates with high-pressure gas. Under the drive of the control system 4, it can output directional high-pressure gas toward the surface of the background plate 55 in an intermittent mode, effectively stripping dust particles and fine debris attached to the surface of the background plate 55. The suction chamber 552 is connected to the vacuum suction system and is equipped with a wide suction port. After the blowing action is completed, the suction action is started immediately to quickly adsorb and collect the dust and debris that have been blown away and suspended in the air into the filter device, preventing secondary deposition on the surface of the background plate 55.

[0055] By alternating between blowing and vacuuming, the background plate 55 can be continuously and efficiently cleaned online without affecting the normal imaging of the main camera 51, ensuring that the surface of the background plate 55 is always clean and free of any interfering substances.

[0056] See Figure 4 As shown: The imaging module 5 also includes a secondary camera 57, which is located directly in front of the processing station. The secondary camera 57 is communicatively connected to the control system 4 and is also equipped with the mirror protective cover 52.

[0057] The secondary camera 57 has the same structure as the main camera 51; The secondary camera 57 is used to capture images of the polished material in real time. The images captured by the secondary camera 57 can be synchronously transmitted to the image processing unit along with the images captured by the main camera 51. By comparing the image data from multiple angles and fields of view, the surface condition of the polished material can be accurately monitored, especially to determine whether the material has chipped edges or surface defects during the polishing process.

[0058] By capturing images in real time and comparing them with the main camera 51 and the secondary camera 57, comprehensive and accurate monitoring of the surface condition of the material being polished can be achieved, effectively improving the detection accuracy of polishing quality and timely detecting defects such as chipping.

[0059] See Figure 1 and Figure 2 As shown: The protective cover 21 is provided with a slide rail 58 for mounting the main camera 51 and the secondary camera 57.

[0060] The imaging module 5 also includes a sliding frame 59 that can slide the main camera 51 and the secondary camera 57 onto the slide rail 58; and the main camera 51 and the secondary camera 57 can be adjusted and set on the sliding frame 59; a locking member 591 that can fix the main camera 51 and the secondary camera 57 adjusted to a preset shooting angle is also fixedly provided on one side of the sliding frame 59.

[0061] The main camera 51 and the secondary camera 57 are slidably mounted on the slide rail 58 via the sliding bracket 59 and can dynamically slide on the slide rail 58 according to the shooting angle until the desired shooting angle is achieved.

[0062] This invention not only enables real-time product detection but also allows for the immediate removal of products when chipped edges occur.

[0063] The above embodiments only illustrate one or more implementations of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the appended claims.

Claims

1. An automatic chamfering machine, comprising a loading and unloading module, a grinding wheel rotation module, a processing module, and a control system, wherein the grinding wheel rotation module is provided with a protective cover, characterized in that, Also includes: An imaging module is housed inside a protective cover. The imaging module has a main camera located next to the processing position, and the main camera is communicatively connected to the control system. A mirror protective cover is installed on the front end of the lens of the main camera. The air supply module is connected to the mirror protective cover via a pipe; The mirror protective cover has an inner cavity, and the inner cavity forms an air outlet that is tilted downward and blows outward in front of the lens of the main camera. Gas is supplied into the inner cavity through the air supply module, thereby forming an air curtain that is tilted downward and blows outward in front of the lens of the main camera.

2. The automatic chamfering machine according to claim 1, characterized in that, The mirror protective cover consists of a connecting frame and an air guide that can cover the front end of the main camera, with the inner cavity opened inside the air guide. The air outlet is angled and located at the front end of the air guide to guide the gas to continuously form an angled downward and outward air curtain at the front end of the main camera.

3. The automatic chamfering machine according to claim 2, characterized in that, The inner cavity consists of a first chamber and a second chamber connected in series, with the second chamber being smaller than the first chamber.

4. The automatic chamfering machine according to claim 3, characterized in that, The air guide is specifically a rectangular chamber, which is horizontally inclinedly mounted at the front end of the main camera via a connecting frame.

5. The automatic chamfering machine according to claim 3, characterized in that, The air guide component is specifically an arc-shaped cover with a semi-circular arrangement; The arc-shaped cover is coaxially fixed above the front end of the main camera via a connecting bracket.

6. The automatic chamfering machine according to claim 1, characterized in that, The imaging module also includes a background plate, which is positioned opposite the main camera on both sides of the processing station.

7. The automatic chamfering machine according to claim 6, characterized in that, The bottom of the background panel is also equipped with a light strip.

8. The automatic chamfering machine according to claim 6, characterized in that, The background panel is also provided with a dust blowing chamber and a dust suction chamber on both sides, which are used to clean the surface of the background panel.

9. The automatic chamfering machine according to claim 1, characterized in that, The imaging module also includes a secondary camera, which is positioned directly in front of the processing station. The secondary camera is communicatively connected to the control system and is also equipped with the mirror protective cover.

10. The automatic chamfering machine according to claim 9, characterized in that, The protective cover is equipped with slide rails for mounting the main camera and the secondary camera.

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