Composite wheel adaptive metal contour polishing device for welding pretreatment

Abstract

The invention provides a composite wheel adaptive metal contour polishing device for welding pretreatment, and belongs to the technical field of polishing devices.The composite wheel adaptive metal contour polishing device comprises a workbench, a first support is arranged on the workbench, a first transmission track is arranged on the first support, and a sliding block is slidably arranged on the first transmission track; a first telescopic air cylinder is arranged on one side of the sliding block, a first grinding motor is arranged on a movable rod of the first telescopic air cylinder, a grinding disc is arranged on an output shaft of the first grinding motor, an electric sliding rail base is further arranged on the workbench, and a grinding table is slidably arranged on the electric sliding rail base. A second support is arranged on one side of the grinding table, a corner grinding assembly is arranged on the second support, the corner grinding assembly comprises a plurality of sets of mounting parts and a plurality of sets of grinding wheels, and the grinding wheels are mounted on the mounting parts; a dust collection assembly is arranged above the workbench and comprises multiple sets of dust collection heads, the multiple sets of dust collection heads are located on the circumferential side of the grinding disc and the circumferential side of the grinding wheel correspondingly, and a control module is arranged on the workbench. The device can adapt to the contours of the corners of the metal pipe through the corner grinding assembly.

Description

Technical Field

[0001] The present invention belongs to the technical field of grinding devices, and more particularly relates to a composite wheel-adaptive metal profile grinding device for welding pretreatment. Background Art

[0002] In the field of grinding devices, welding processes are often required to connect metal pipes. For example, in the manufacture of building steel structures, in order to ensure the strength and stability of the structure, metal pipes are often spliced ​​by welding. At this time, a grinding device is required to perform grinding pretreatment on the welding parts of the metal pipes to facilitate the subsequent welding operations to proceed smoothly and ensure the welding quality.

[0003] The grinding heads used in traditional equipment have a relatively fixed shape and angle. This inherent characteristic makes it difficult for the grinding heads to conform to the contours of metal pipe corners. This can lead to blind spots, over-grinding, or under-grinding during the grinding process, seriously affecting the quality of the corners. Furthermore, due to the highly concentrated nature of corner grinding, the grinding heads must withstand frequent and intense abrasive stresses within a short period of time. This continuous high-load operation makes the grinding heads susceptible to excessive wear. Summary of the Invention

[0004] In order to solve the above technical problems, the present invention provides a composite wheel-adapted metal contour grinding device for welding pretreatment to solve the technical problems in the prior art that traditional grinding equipment has poor grinding quality and excessive wear of the grinding head due to the fixed shape and angle of the grinding head when processing the edges and corners of metal pipes.

[0005] The purpose and efficacy of the composite wheel-adaptive metal profile grinding device for welding pretreatment of the present invention are achieved by the following specific technical means: A composite wheel adapted metal profile grinding device for welding pretreatment, comprising a workbench, a first bracket provided on the workbench, a first transmission track provided on the first bracket, and a slider provided on the first transmission track; A first telescopic cylinder is provided on one side of the slider, a first grinding motor is provided on the movable rod of the first telescopic cylinder, a grinding disc is provided on the output shaft of the first grinding motor, an electric slide seat is further provided on the workbench, and a grinding table is slidably provided on the electric slide seat; The grinding table is provided with two sets of clamping members for clamping the metal pipe, a second bracket is provided on one side of the grinding table, and an edge grinding assembly is provided on the second bracket. The edge grinding assembly includes multiple sets of mounting members and multiple sets of grinding wheels, and the grinding wheels are installed on the mounting members; A dust collection assembly is provided above the workbench. The dust collection assembly includes multiple groups of dust collection heads. The multiple groups of dust collection heads are respectively located on the circumference of the grinding disc and the grinding wheel. A control module is provided on the workbench.

[0006] According to a preferred embodiment, the edge grinding assembly further includes a fixed plate and a second transmission track, the second transmission track is mounted on the second bracket, the fixed plate is slidably connected to the second transmission track, and a second telescopic cylinder is provided on the fixed plate; The mounting member is mounted on the movable rod of the second telescopic cylinder, and the mounting member includes a main frame, one side of which is provided with two sets of first mounting plates and second mounting plates, and one end of the two sets of first mounting plates and second mounting plates is provided with a second grinding motor; Grinding wheels are provided on both the two groups of the first mounting plates and the second mounting plates, and the grinding wheels are connected to the output shaft of the second grinding motor.

[0007] According to a preferred embodiment, two sets of first mounting ears are provided on one side of the main frame, and a first electric push rod is provided on the first mounting ears. Connecting plates are rotatably provided on the top and bottom of the main frame, and the connecting plates are connected to the first electric push rod; Second mounting ears are provided on both sides of the connecting plate, and the first mounting plate is hinged to the end of the connecting plate away from the main frame. One group of the second mounting ears is provided with a second electric push rod, and the other group of the second mounting ears is provided with a return spring. The second electric push rod and the return spring are both connected to the first mounting plate.

[0008] According to a preferred embodiment, a third mounting ear is provided on one side of the main frame, a third electric push rod is provided on the third mounting ear, the second mounting plate is hinged to the main frame at one end, and the third electric push rod is connected to the second mounting plate; The grinding wheel on the second mounting plate is a composite structure. The middle part of the grinding wheel is a cylindrical section, and conical sections are symmetrically arranged at both ends. The angle between the central axis of the cylindrical section and the generatrix of the conical section is α (α∈30° to 60°).

[0009] According to a preferred embodiment, a visual recognition module is provided on the main frame, and the visual recognition module faces the grinding table. An annular pressure sensor is provided on the mounting axis of the grinding wheel of the first mounting plate and the second mounting plate, and the visual recognition module and the annular pressure sensor are both electrically connected to the control module.

[0010] According to a preferred embodiment, a dust exhaust port is provided on the top of the dust hood, the dust exhaust port is provided with the dust suction head, and a dust suction row is provided on one side of the first mounting plate and the second mounting plate, and the dust suction row is provided with the dust suction head; A dust box is provided in the workbench, an adsorption machine is provided on the dust box, the adsorption machine is connected to multiple groups of dust collection heads through pipelines, and the adsorption machine is electrically connected to the control module.

[0011] According to a preferred embodiment, the dust collection assembly further includes a dust collection hood provided on the peripheral side of the grinding disc, the dust collection hood including an upper cover body and a lower cover body, one end of the upper cover body is mounted on the first grinding motor, a dust collection cavity is formed inside the upper cover body and the lower cover body, a plurality of dust collection holes are provided at the bottom of the lower cover body, the dust collection cavity is communicated with the dust collection holes, the upper cover body and the lower cover body are detachably connected, and a sealing lip is provided at the bottom of the lower cover body; The inner wall of the dust collection chamber is provided with a plurality of guide blades, and the guide blades are rotatably connected to the lower cover body through a rotating shaft.

[0012] According to a preferred embodiment, a mounting platform is provided on the upper cover body, a drive motor is provided on the mounting platform, a drive ring is provided between the upper cover body and the lower cover body, an annular rack is provided at the bottom of the drive ring, the annular rack is engaged with the rotating shaft, a gear ring is provided on the side wall of the drive ring, the gear ring is engaged with the drive motor through a connecting shaft, and the drive motor is electrically connected to the control module.

[0013] According to a preferred embodiment, the dust box air inlet is provided with a dust sensor, and the dust sensor is electrically connected to the control module; Two groups of nozzles are provided in the dust storage box, and a dry powder storage bin and a powder feeding pump are provided on one side of the dust storage box. The two groups of nozzles are connected to the dry powder storage bin pipeline through the powder feeding pump, and the electric proportional valve is provided on the connecting pipeline. The electric proportional valve is electrically connected to the powder feeding pump and the control module.

[0014] According to a preferred embodiment, the clamping member includes a base, a first adjustment rod, and two sets of first guide rods. Both sides of the grinding table are provided with convex edges. The first adjustment rod and the two sets of first guide rods are connected to the base through the convex edges. A mounting platform is provided on the top of the base, an adjustment plate is provided under the mounting platform, a second adjustment rod and two sets of second guide rods are passed through the mounting platform, one end of the second adjustment rod and the two sets of second guide rods are connected to the adjustment plate, and a pressure wheel is rotatably provided on one side of the mounting platform and the adjustment plate; A supporting platform is provided on the polishing table, and a placement groove is provided on the supporting platform.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention incorporates an adjustable corner grinding assembly, allowing the device to adapt to the geometric profile of metal pipe corners, improving its adaptability to grinding corners of varying shapes. The device can position the grinding wheel relative to the corner by sliding the fixed plate on the second transmission track and adjusting the mounting assembly using the second telescopic cylinder, enabling a more comprehensive grinding of corners and improving the grinding quality of complex corners.

[0016] 2. When using the device, the visual recognition module on the main frame can identify the edges and corners of the grinding table and metal pipe to obtain information about their shape and position, allowing the device to make adjustments based on actual conditions. Then, annular pressure sensors on the grinding wheel mounting shafts of the first and second mounting plates detect the pressure between the grinding wheel and the metal pipe, and feed this information back to the control module, allowing the device to adjust the grinding parameters in a timely manner based on pressure changes, avoiding over- or under-grinding and improving the stability of the device's grinding accuracy.

[0017] 3. By providing a composite grinding wheel, the present invention allows the device to better conform to the different corners of metal pipes, improving the device's specificity when grinding corners. The device can adjust the angles of the second mounting plate and the composite grinding wheel via a third electric push rod to adapt to the varying curvatures and inclinations of corners. This allows the device to fully utilize the advantages of each component of the composite grinding wheel during the grinding process, improving the device's efficiency when grinding complex corner shapes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the workbench of the present invention; Figure 2 It is a structural schematic diagram of the corner grinding assembly of the present invention; Figure 3 It is a structural schematic diagram of the mounting member of the present invention; Figure 4 It is a structural schematic diagram of the connecting plate of the present invention; Figure 5 It is a schematic structural diagram of the grinding wheel of the present invention; Figure 6 It is a structural schematic diagram of the clamping member of the present invention; Figure 7 It is a structural schematic diagram of the dust collection assembly of the present invention; Figure 8 It is a schematic structural diagram of the drive ring of the present invention; Figure 9 is a schematic diagram of the internal structure of the dust collection assembly of the present invention; Figure 10 It is a structural schematic diagram of the dry powder storage bin of the present invention; Figure 11It is a structural schematic diagram of the dust storage box of the present invention; Figure 12 It is a principle framework diagram of the present invention.

[0019] In the figure, the corresponding relationship between component names and reference numerals is as follows: 101. Workbench; 102. First bracket; 103. Second bracket; 104. First transmission track; 105. Slider; 106. First telescopic cylinder; 107. First grinding motor; 108. Grinding disc; 109. Electric slide rail seat; 111. Grinding table; 112. Support table; 113. Placement slot; 201. Fixing plate; 202. Second telescopic cylinder; 203. Main frame; 204. First mounting ear; 205. First electric push rod; 206. Connecting plate; 207. Second mounting ear; 208. Second electric push rod; 209. Return spring; 211. Third mounting ear; 212. Third electric push rod; 213. First mounting plate; 214. Second mounting plate; 215. Grinding wheel; 216. Second transmission track; 217. Second grinding motor; 301. , base; 302, first adjusting rod; 303, first guide rod; 304, mounting platform; 305, adjusting plate; 306, second adjusting rod; 307, second guide rod; 308, pinch wheel; 401, dust suction head; 402, upper cover; 403, lower cover; 404, dust suction chamber; 405, guide vane; 406, rotating shaft; 407, mounting platform; 408, drive motor; 409, drive ring; 411, annular rack; 412, gear ring; 413, dust suction row; 414, dust storage box; 415, adsorption machine; 416, nozzle; 417, dry powder storage bin; 418, powder feeding pump; 419, sealing lip; 501, control module; 502, visual recognition module; 503, annular pressure sensor; 504, dust sensor; 505, electric proportional valve. DETAILED DESCRIPTION

[0020] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the technical solutions of the present invention, but are not intended to limit the scope of protection of the present invention.

[0021] Example:

[0022] like Figures 1 to 12As shown, the present invention provides a composite wheel-adaptive metal profile grinding device for welding pretreatment, comprising a workbench 101, a first bracket 102 provided on the workbench 101, a first transmission track 104 provided on the first bracket 102, and a slider 105 slidingly provided on the first transmission track 104; the workbench 101 serves as the basic supporting platform of the device, providing a supporting structure for the entire device. The first bracket 102 is provided on the workbench 101, and its function is to support the first transmission track 104. The first transmission track 104 provides a linear motion guide for the slider 105, allowing the slider 105 to slide along the track. This structural configuration enables the position adjustment of the slider 105 within a specific plane on the workbench 101, meeting the spatial position adjustment requirements for grinding the surface of metal pipes at different positions.

[0023] A first telescopic cylinder 106 is mounted on one side of the slider 105. A first grinding motor 107 is mounted on the movable rod of the first telescopic cylinder 106. A grinding disc 108 is mounted on the output shaft of the first grinding motor 107. Furthermore, a motorized slide 109 is mounted on the workbench 101. A grinding table 111 is mounted on the motorized slide 109. The slider 105 is connected to the first telescopic cylinder 106 on one side. The movable rod of the first telescopic cylinder 106 is connected to the first grinding motor 107, and the output shaft of the first grinding motor 107 is mounted with the grinding disc 108. This connection allows the first telescopic cylinder 106 to control the displacement of the first grinding motor 107 and the grinding disc 108 in a direction perpendicular to the first transmission track 104, thereby adjusting the distance between the grinding disc 108 and the surface of the metal pipe. Simultaneously, the motorized slide 109 mounted on the workbench 101 supports the slidable grinding table 111. The electric slide 109 provides horizontal linear motion drive for the grinding table 111, enabling it to move in a specific direction on the workbench 101. Thus, the vertical depth adjustment of the grinding disc 108 and the horizontal position movement of the grinding table 111 cooperate to meet the grinding requirements of various parts of metal pipes of different sizes, achieving coordinated operation of position and depth adjustment during the grinding process.

[0024] The polishing table 111 is provided with two sets of clamps for clamping the metal pipe. A second bracket 103 is provided on one side of the polishing table 111. The second bracket 103 is provided with a corner grinding assembly. The corner grinding assembly includes multiple sets of mounting parts and multiple sets of grinding wheels 215, which are mounted on the mounting parts. The polishing table 111 serves as a platform for placing metal pipes. The two sets of clamps provided on it clamp the metal pipes through a mechanical structure. This reduces the displacement of the metal pipe caused by external forces during the polishing process and ensures the stability of the polishing accuracy. The second bracket 103 is provided on one side of the polishing table 111 and supports the corner grinding assembly. The corner grinding assembly consists of multiple sets of mounting parts and multiple sets of grinding wheels 215, which are mounted on the mounting parts. The grinding wheels 215 are fixed and positioned by different mounting parts, so that the grinding wheels 215 can be arranged in corners.

[0025] A dust collection assembly is located above the workbench 101. This assembly includes multiple sets of dust collection heads 401, positioned around the grinding disc 108 and the grinding wheel 215. A control module 501 is also located on the workbench 101. The dust collection assembly, located above the workbench 101, consists of multiple sets of dust collection heads 401, positioned around the grinding disc 108 and the grinding wheel 215. This dust collection assembly is designed to collect metal dust generated during the grinding process. Using aerodynamic principles, the negative pressure generated by the dust collection heads 401 draws the dust in, preventing it from spreading within the work environment and meeting industrial production requirements for cleanliness and occupational health and safety. The control module 501, serving as the control core of the entire device, coordinates and controls various electrical and mechanical components within the device, such as motors, cylinders, and sensors, through electrical signal transmission and logical operations. Based on pre-set program instructions and sensor feedback, the control module 501 regulates the operating parameters of each component to ensure stable operation. Control module 501 can use CX5140-0022 industrial computer like Figures 1 to 5As shown, the corner grinding assembly also includes a fixed plate 201 and a second transmission rail 216. The second transmission rail 216 is mounted on the second bracket 103 and is slidably connected to the fixed plate 201. A second telescopic cylinder 202 is mounted on the fixed plate 201. The second transmission rail 216 is mounted on the second bracket 103 and provides a linear guide structure for the fixed plate 201. The fixed plate 201 and the second transmission rail 216 are slidably connected, allowing the fixed plate 201 to move linearly along the second transmission rail 216. This arrangement allows for preliminary vertical adjustment of the corner grinding assembly position, allowing the grinding assembly to be aligned with different positions on the metal pipe corner. The second telescopic cylinder 202, mounted on the fixed plate 201, is used to fine-tune the position of the mounting member in a direction perpendicular to the second transmission rail 216. The telescopic movement of the second telescopic cylinder 202 controls the distance between the mounting member and the metal pipe corner.

[0026] The mounting assembly is attached to the movable rod of the second telescopic cylinder 202. It comprises a main frame 203, with two sets of first and second mounting plates 213, 214 positioned on one side. Each set of first and second mounting plates 213, 214 is equipped with a second grinding motor 217 at one end. The mounting assembly connects the second telescopic cylinder 202 to the grinding wheel 215, with the main frame 203 providing a supporting framework for the entire structure. The two sets of first and second mounting plates 213, 214 on one side of the main frame 203 provide a mounting base for the second grinding motor 217 and the grinding wheel 215. The second grinding motor 217 is mounted on one end of each of the first and second mounting plates 213, 214. This arrangement enables the second grinding motor 217 to provide rotational power to the corresponding grinding wheel 215. The two sets of mounting plates, combined with the increased placement of the grinding wheel 215, enhance both adaptability and functionality for grinding complex corners.

[0027] Both sets of first mounting plates 213 and second mounting plates 214 are equipped with grinding wheels 215, which are connected to the output shaft of a second grinding motor 217. The grinding wheels 215 are directly connected to the output shaft of the second grinding motor 217. This connection method can reduce energy loss during power transmission and ensure that the grinding wheels 215 obtain stable rotational power. After the second grinding motor 217 converts electrical energy into mechanical energy, it is directly transmitted to the grinding wheels 215 via the output shaft, allowing the grinding wheels 215 to grind the edges and corners of the metal pipe at a set speed. This ensures the stability and concentricity of the grinding wheels 215 during high-speed rotation, helps improve the grinding quality, and ensures that the polished metal pipe edges and corners meet the process requirements.

[0028] Two sets of first mounting ears 204 are provided on one side of the main frame 203. A first electric push rod 205 is mounted on these ears. Connecting plates 206 are rotatably mounted on the top and bottom of the main frame 203 and connected to the first electric push rod 205. The two sets of first mounting ears 204 on the side of the main frame 203 provide mounting locations for the first electric push rod 205. The first electric push rod 205 is mounted on these first mounting ears 204, and its telescopic movement provides a source of power for the entire angle adjustment mechanism. The connecting plates 206, rotatably mounted on the top and bottom of the main frame 203, connect to the first electric push rod 205, forming a movable structural framework. The extension and retraction of the first electric push rod 205 can drive the connecting plate 206 to rotate around the rotating connection point of the main frame 203. This setting allows the components connected to the connecting plate 206 to be adjusted within a certain angle range, laying the foundation for the subsequent multi-angle adjustment of the grinding wheel 215, and meeting the need for angle adjustment of the grinding wheel 215 when grinding the edges and corners of metal pipes with different inclination angles and shapes.

[0029] Second mounting ears 207 are provided on both sides of the connecting plate 206. The first mounting plate 213 is hinged to the end of the connecting plate 206 away from the main frame 203. One set of second mounting ears 207 is equipped with a second electric push rod 208, and the other set of second mounting ears 207 is equipped with a return spring 209. The second electric push rod 208 and the return spring 209 are both connected to the first mounting plate 213. The second mounting ears 207 on both sides of the connecting plate 206 are respectively connected to the second electric push rod 208, the return spring 209, and the first mounting plate 213. The first mounting plate 213 is hinged to the end of the connecting plate 206 away from the main frame 203, allowing the first mounting plate 213 to rotate about the hinge point. The second electric push rod 208 on one set of second mounting ears 207 can push the first mounting plate 213 to rotate about the hinge point through its own telescopic movement, thereby achieving active adjustment of the angle of the first mounting plate 213. The return springs 209 on the other set of second mounting ears 207 provide a reverse return force to the first mounting plate 213 after the second electric push rod 208 has completed adjustment or released its thrust, ensuring the stability and positional accuracy of the first mounting plate 213 during the adjustment process. When the grinding wheel 215 encounters corners of varying shapes during the grinding process and requires angle adjustment, the second electric push rod 208 pushes the first mounting plate 213 according to control instructions, while the return springs 209 assist in maintaining angle stability and, when necessary, assisting the first mounting plate 213 in returning to its initial or preset position. This synergistic effect allows the angles of the first mounting plate 213 and grinding wheel 215 to be adjusted to better conform to the complex contours of metal pipe corners, improving grinding quality and efficiency.

[0030] The third mounting lug 211 provided on one side of the main frame 203 provides a mounting support point for the third electric push rod 212. The third electric push rod 212 is mounted on the third mounting lug 211, and one end thereof is connected with the second mounting plate 214, and the second mounting plate 214 is hinged to one end of the main frame 203. This structure enables the third electric push rod 212 to control the rotation of the second mounting plate 214 around the hinge point through the telescopic action. In this way, the angle of the second mounting plate 214 can be adjusted according to the actual shape of the metal pipe edge and the polishing process requirements, and then the contact angle of the polishing wheel 215 mounted thereon with the metal pipe edge is changed, so as to ensure that the polishing wheel 215 can be polished at the best angle to the edge, thereby improving the polishing effect and quality. This setting enhances the adaptability of the device to polishing of edges of different shapes.

[0031] The polishing wheel 215 on the second mounting plate 214 is of a composite structure, the middle part of the polishing wheel 215 is a cylindrical segment, and the two ends are symmetrically provided with conical segments, the middle axis of the cylindrical segment and the generatrix of the conical segment are included at an angle α (α ∈ 30° to 60°). The composite structure polishing wheel 215 used on the second mounting plate 214 is composed of a cylindrical segment in the middle part and symmetrically arranged conical segments at both ends, and the angle α between the middle axis of the cylindrical segment and the middle axis of the conical segment is between 30° and 60°. This composite structure enables the polishing wheel 215 to better adapt to the complex and variable geometry of the metal pipe edge. During polishing, the conical segment can be used to process the inclined part or the area with a certain curvature of the edge, which can better fit the edge profile for polishing, avoiding the occurrence of polishing blind area or excessive polishing. The cylindrical segment in the middle part can be used to polish the relatively flat edge part, ensuring the flatness and uniformity of polishing. Through the setting of the composite structure polishing wheel 215, the device can complete the polishing work of various complex edges without replacing the grinding head, improving the polishing efficiency and quality, and reducing the time cost and equipment loss caused by frequent replacement of the grinding head.

[0032] The main frame 203 is provided with a visual recognition module 502. The visual recognition module 502 faces the polishing table 111. The mounting shafts of the polishing wheels 215 of the first mounting plate 213 and the second mounting plate 214 are both provided with an annular pressure sensor 503. The visual recognition module 502 and the annular pressure sensor 503 are both electrically connected to the control module 501. The visual recognition module 502 provided on the main frame 203 faces the polishing table 111. Its core function is to carry out visual inspection on the metal pipe placed on the polishing table 111. The visual recognition module 502 can utilize image recognition technology to obtain key information such as the shape, size and corner position of the metal pipe. Through the analysis and processing of these visual data, the visual recognition module 502 can provide a positioning basis for the entire polishing system. The annular pressure sensor 503 is both provided on the mounting shafts of the polishing wheels 215 of the first mounting plate 213 and the second mounting plate 214. Its main function is to monitor the pressure applied to the polishing wheel 215 when it contacts the metal pipe surface during the polishing process. During the grinding process, the amount of pressure directly affects the grinding effect and the degree of wear on the grinding wheel 215. The annular pressure sensor 503 converts the monitored pressure data into an electrical signal and transmits it to the control module 501. This pressure data allows the control module 501 to understand the force acting between the grinding wheel 215 and the metal tube. The annular pressure sensor 503 can be a model LZ-HLC120 annular pressure sensor, and the visual recognition module 502 can be a model SC830LA visual recognition module.

[0033] Specifically, when loading a metal pipe, the operator places it in the placement slot 113 of the support platform 112 of the grinding table 111. Using the two-stage adjustment of the clamping member, the first adjustment rod 302 coarsely adjusts the position of the base 301, and the second adjustment rod 306 fine-tunes the height of the adjustment plate 305. After the height is fixed, the visual recognition module 502 on the main frame 203 is activated to scan and obtain information such as the pipe's size, corner type, and position coordinates, and transmits it to the control module 501 to generate a grinding path plan. Subsequently, the control module 501 drives the drive motor of the second transmission track 216, causing the fixed plate 201 to move vertically along the track, aligning the main frame 203 with the starting point of the corner. At the same time, the second telescopic cylinder 202 adjusts the horizontal position of the mounting member to reserve a 5mm safety gap between the grinding wheel 215 and the corner.

[0034] Based on the visually recognized corner features, the control module 501 coordinates and controls each electric push rod: the first electric push rod 205 extends and retracts to drive the connecting plate 206 to rotate around the main frame 203, providing support for the adjustment of the first mounting plate 213; the second electric push rod 208 pushes the first mounting plate 213 to rotate around the hinge point, so that the conical section of the grinding wheel 215 on it fits the bevel; the third electric push rod 212 adjusts the angle of the second mounting plate 214, so that the conical section of the composite grinding wheel 215 is aligned with the inclined surface of the bevel and the cylindrical section is aligned with the flat area of ​​the root, and the reset spring 209 simultaneously provides reverse tension to avoid overshoot.

[0035] When grinding starts, the second grinding motor 217 drives the grinding wheel 215 to rotate, and the second telescopic cylinder 202 slowly extends to make the grinding wheel 215 contact the corner. The annular pressure sensor 503 monitors the pressure of the mounting shaft: If the pressure is insufficient (<5N), the cylinder extension is accelerated; if the pressure is too high (>20N), the speed is reduced to ensure the grinding quality. At the same time, the second transmission track (216) drives the fixed plate (201) to slide at a constant speed, driving the composite grinding wheel (215) to move along the edge path. The conical section first grinds the inclined surface to remove burrs, and the cylindrical section then processes the root flat area to achieve full area coverage.

[0036] like Figures 1 to 11 As shown, a dust outlet is provided at the top of the dust hood, on which a dust head 401 is provided. A dust row 413 is provided on one side of the first mounting plate 213 and the second mounting plate 214, and a dust head 401 is provided on the dust row 413. A dust outlet is provided at the top of the dust hood, and a dust head 401 is installed on the dust outlet. At the same time, a dust row 413 is provided on one side of the first mounting plate 213 and the second mounting plate 214, and a dust head 401 is also provided on the dust row 413. This layout can collect dust generated during the grinding process on a large scale. The dust head 401 located at the top of the dust hood can collect dust rising from the grinding disc 108 and the surrounding area, while the dust row 413 and the dust head 401 provided on the one side of the first mounting plate 213 and the second mounting plate 214 collect dust generated when the grinding wheel 215 grinds the edges and corners of the metal pipe. The multi-angle and multi-position arrangement of the dust collection head 401 expands the dust collection range, improves the dust collection efficiency, reduces the spread of dust in the working environment, and creates relatively clean working conditions for operators.

[0037] The workbench 101 is equipped with a dust box 414, on which a suction machine 415 is mounted. The suction machine 415 is connected to the multiple sets of dust collection heads 401 via pipes, and the suction machine 415 is electrically connected to the control module 501. The dust box 414 is installed within the workbench 101 as a dust storage container. The suction machine 415, mounted on the dust box 414, is connected to the multiple sets of dust collection heads 401 via pipes. The negative pressure generated by the suction machine 415 is transmitted via pipes to each of the dust collection heads 401, thereby drawing dust generated by grinding into the dust box 414. The suction machine 415 is electrically connected to the control module 501, which can adjust the suction force of the suction machine 415 based on actual grinding conditions, such as grinding intensity and dust generation. When the grinding operation generates a large amount of dust, the control module 501 can increase the suction force of the adsorption machine 415 to ensure that the dust is collected in a timely manner; when the amount of dust generated is small, the suction force can be appropriately reduced to save energy. This configuration achieves the collection and proper treatment of dust, ensuring the continuous and stable operation of the device.

[0038] The dust collection assembly further comprises a dust collection cover arranged at the periphery of the grinding disc 108, the dust collection cover comprising an upper cover body 402 and a lower cover body 403, the upper cover body 402 being mounted at one end on the first grinding motor 107, the upper cover body 402 and the lower cover body 403 forming a dust collection cavity 404 inside, a plurality of dust collection holes being formed at the bottom of the lower cover body 403, the dust collection cavity 404 being in communication with the dust collection holes, the upper cover body 402 and the lower cover body 403 being detachably connected, and a sealing lip 419 being arranged at the bottom of the lower cover body 403; the dust collection cover arranged at the periphery of the grinding disc 108 in the dust collection assembly is composed of the upper cover body 402 and the lower cover body 403. The upper cover body 402 is mounted at one end on the first grinding motor 107 and cooperates with the lower cover body 403 to form the dust collection cavity 404. A plurality of dust collection holes are formed at the bottom of the lower cover body 403, so that dust can enter the dust collection cavity 404 through the dust collection holes to collect dust near the grinding disc 108. The upper cover body 402 and the lower cover body 403 are detachably connected, which facilitates cleaning and maintenance of the inside of the dust collection cover. When a large amount of dust accumulates in the dust collection cavity 404 or a component fails, the dust collection cover can be easily detached for cleaning or repair. The sealing lip 419 arranged at the bottom of the lower cover body 403 enhances the sealing performance of the dust collection cover and the periphery of the grinding disc 108, reduces the possibility of dust leakage from the bottom of the dust collection cover, and further improves the dust collection efficiency.

[0039] A plurality of guide vanes 405 are arranged on the inner wall of the dust collection cavity 404, and the guide vanes 405 are rotatably connected to the lower cover body 403 through a rotating shaft 406. The guide vanes 405 guide the airflow direction in the dust collection cavity 404. The guide vanes 405 can be rotated through the rotating shaft 406 to adjust the angle of the blade surface, guide the airflow in the dust collection cavity 404 to rotate in a specific direction to form a rotational flow. The centrifugal force generated by the rotational flow can cause the metal dust with high density to gather towards the center of the dust collection cavity 404, so that the dust is more easily brought into the dust collection pipeline by the suction airflow of the suction machine 415, reducing the diffusion and escape of dust in the cavity. When the metal pipe is being ground, the amount of dust generated and the size of the particles will change with the grinding speed and the type of edge and corner. By adjusting the angle of the guide vanes 405, the dust characteristics under different working conditions can be matched: when grinding at high speed, the angle is increased to strengthen the rotational flow to quickly capture large particle dust; when grinding at low speed, the angle is reduced to avoid strong rotational flow from causing fine dust to be raised again.

[0040] The upper housing 402 is provided with a mounting platform 407, on which a drive motor 408 is mounted. A drive ring 409 is provided between the upper housing 402 and the lower housing 403. The bottom of the drive ring 409 is provided with an annular rack 411, which meshes with the rotating shaft 406. A gear ring 412 is provided on the sidewall of the drive ring 409, which meshes with the drive motor 408 via a connecting shaft. The drive motor 408 is electrically connected to the control module 501. The drive motor 408 is electrically connected to the control module 501 and serves as a power source to receive commands to start, stop, or adjust the speed. The sidewall of the drive ring 409 between the upper housing 402 and the lower housing 403 is provided with a gear ring 412, which meshes with the connecting shaft of the drive motor 408. The bottom of the drive ring 409 directly meshes with the rotating shaft 406 of the guide vane 405 via the annular rack 411. When the control module 501 sends an adjustment instruction according to the working conditions, the drive motor 408 starts, and drives the drive ring 409 to rotate around the central axis of the dust collection chamber 404 through the connecting shaft. The annular rack 411 at the bottom of the drive ring 409 then drives all the rotating shafts 406 to rotate synchronously, thereby driving the guide blades 405 to rotate around the rotating shaft 406, dynamically adjusting their blade angles.

[0041] A dust sensor 504 is provided at the air inlet of the dust box 414 and is electrically connected to the control module 501. The dust sensor 504 monitors the dust concentration entering the dust box 414 and feeds the monitoring data back to the control module 501. Based on this data, the control module 501 can understand the dust accumulation in the dust box 414.

[0042] Two sets of nozzles 416 are installed in the dust box 414. A dry powder storage bin 417 and a powder feeding pump 418 are installed on one side of the dust box 414. Both sets of nozzles 416 are connected to the dry powder storage bin 417 through a pipe provided by the powder feeding pump 418. An electric proportional valve 505 is installed on the connecting pipe, which is electrically connected to the powder feeding pump 418 and the control module 501. Two sets of nozzles 416 are installed in the dust box 414. A dry powder storage bin 417 and a powder feeding pump 418 are installed on one side of the dust box 414. The nozzles 416 are connected to the dry powder storage bin 417 through a pipe provided by the powder feeding pump 418. An electric proportional valve 505 is installed on the connecting pipe, which is electrically connected to the powder feeding pump 418 and the control module 501. When dust sensor 504 detects that the dust concentration in dust bin 414 has reached a certain threshold, control module 501 activates powder pump 418 and controls the amount of dry powder delivered from dry powder storage bin 417 to nozzle 416 via electric proportional valve 505. Nozzle 416 sprays dry powder onto the dust in dust bin 414. The dry powder suppresses the risk of dust flying and explosion, ensuring the safety of dust bin 414 during dust storage. This arrangement provides active explosion-proof treatment for dust in dust bin 414, improving the safety and reliability of the device during dust handling. The electric proportional valve 505 can be the ITV1050-012C model, and the dust sensor 504 can be the SDS026 model.

[0043] Specifically, the dust collection holes at the bottom of the lower housing 403 draw in dust near the grinding wheel 108, while the dust collection head 401 at the top dust outlet captures the rising dust. The dust collection outlets 413 on the sides of the first and second mounting plates 213 and 214 target corner grinding dust, achieving multi-angle collection. The control module 501 drives the motor 408 to adjust the angle of the guide vanes 405 based on the grinding speed and corner type, via the drive ring 409-ring rack 411 linkage. This guides the airflow within the dust collection chamber 404 into a swirling flow, focusing the metal dust toward the center and improving suction efficiency. The suction unit 415 generates negative pressure, drawing dust through a pipe into the dust storage box 414. The dust sensor 504 monitors the dust concentration in the dust storage box 414. If the dust concentration exceeds the standard, the control module 501 triggers the powder pump 418, which adjusts the amount of dry powder via the electric proportional valve 505. The powder is then sprayed into the dust storage box 414 through the nozzle 416 to suppress dust emission and explosion risks.

[0044] After grinding is completed, the control module 501 turns off the motor, the cylinder contracts to reset the grinding wheel 215, and the dust collection component continues to operate until the dust is cleaned; at the same time, the detachable upper cover 402 and the lower cover 403 facilitate subsequent maintenance, and the sealing lip 419 reduces dust leakage, ensuring that the complex corner grinding and dust treatment are completed safely throughout the entire process.

[0045] like Figure 1 、 6As shown, the clamping member includes a base 301, a first adjustment rod 302, and two sets of first guide rods 303. Both sides of the polishing table 111 are provided with convex edges. The first adjustment rod 302 and the two sets of first guide rods 303 are connected to the base 301 through the convex edges. With such a configuration, the position of the base 301 relative to the polishing table 111 can be adjusted by the first adjusting rod 302, and the two sets of first guide rods 303 play a guiding role to ensure that the base 301 moves smoothly, so that the relative position between the clamping member and the polishing table 111 can be adjusted according to the diameter and other dimensions of the metal pipe, preparing for the stable clamping of the metal pipe.

[0046] A mounting platform 304 is provided on the top of the base 301, and an adjustment plate 305 is provided below the mounting platform 304. A second adjustment rod 306 and two sets of second guide rods 307 are passed through the mounting platform 304. One end of the second adjustment rod 306 and the two sets of second guide rods 307 are connected to the adjustment plate 305. A pressure wheel 308 is rotatably provided on one side of the mounting platform 304 and the adjustment plate 305. With this arrangement, rotating the second adjustment rod 306 moves the adjustment plate 305 up and down along the second guide rod 307, thereby adjusting the distance between the two pinch rollers 308. When a metal pipe needs to be fixed for grinding, the pinch rollers 308 can be adjusted to fit snugly against the pipe. This creates sufficient friction between the pinch rollers 308 and the pipe, thereby clamping it and preventing it from shifting during grinding, ensuring precise grinding.

[0047] When one surface is polished and the metal tube needs to be rotated to polish other surfaces, it is only necessary to rotate the second adjustment rod 306 to appropriately relax the pressure of the clamping wheel 308 on the metal tube. At this time, the metal tube can be rotated more easily with manual assistance, and the clamping wheel 308 itself will also rotate with the rotation of the metal tube, which does not hinder the rotation of the metal tube and can always maintain a certain contact pressure, thereby maintaining the basic positioning of the metal tube and facilitating all-round polishing of the metal tube.

[0048] At the same time, the adjusting plate 305 can be clamped with the base 301 so that the device has the function of polishing metal plates, thereby improving the adaptability of the device.

[0049] A support platform 112 is provided on the polishing platform 111 , and a placement groove 113 is provided on the support platform 112 .

[0050] With this arrangement, the metal tube can be placed in the placement groove 113, which plays a preliminary positioning and supporting role for the metal tube. Cooperating with the clamping piece, it further stabilizes the position of the metal tube, ensuring that the metal tube will not roll or shift at will during the grinding process, thereby ensuring the smooth progress of the grinding work.

[0051] The foregoing illustrates and describes the basic principles and main features of the application and the advantages thereof, and it will be apparent to those skilled in the art that the application is not limited to the details of the above-described exemplary embodiments.

Claims

1. A composite wheel adapted metal profile grinding device for welding pretreatment, comprising a workbench (101), characterized in that: A first bracket (102) is provided on the workbench (101), a first transmission track (104) is provided on the first bracket (102), and a slider (105) is slidably provided on the first transmission track (104); A first telescopic cylinder (106) is provided on one side of the slider (105); a first grinding motor (107) is provided on a movable rod of the first telescopic cylinder (106); a grinding disc (108) is provided on an output shaft of the first grinding motor (107); an electric slide rail seat (109) is further provided on the workbench (101); a grinding table (111) is slidably provided on the electric slide rail seat (109); The grinding table (111) is provided with two groups of clamping members for clamping the metal pipe, a second bracket (103) is provided on one side of the grinding table (111), and an edge grinding assembly is provided on the second bracket (103), and the edge grinding assembly includes multiple groups of mounting members and multiple groups of grinding wheels (215), and the grinding wheels (215) are installed on the mounting members; A dust collection assembly is provided above the workbench (101), the dust collection assembly comprising a plurality of dust collection heads (401), the plurality of dust collection heads (401) being respectively located on the sides of the grinding disc (108) and the grinding wheel (215), and a control module (501) is provided on the workbench (101).

2. The composite wheel adapted metal profile grinding device for welding pretreatment according to claim 1, characterized in that: The corner grinding assembly further comprises a fixed plate (201) and a second transmission track (216), the second transmission track (216) being mounted on the second bracket (103), the fixed plate (201) being slidably connected to the second transmission track (216), and a second telescopic cylinder (202) being provided on the fixed plate (201); The mounting member is mounted on the movable rod of the second telescopic cylinder (202), and the mounting member includes a main frame (203). Two sets of first mounting plates (213) and second mounting plates (214) are provided on one side of the main frame (203). One end of each of the two sets of first mounting plates (213) and second mounting plates (214) is provided with a second grinding motor (217). A grinding wheel (215) is provided on each of the two groups of the first mounting plate (213) and the second mounting plate (214), and the grinding wheel (215) is connected to the output shaft of the second grinding motor (217).

3. The composite wheel adapted metal profile grinding device for welding pretreatment according to claim 2, characterized in that: Two sets of first mounting ears (204) are provided on one side of the main frame (203), and a first electric push rod (205) is provided on the first mounting ears (204). Connecting plates (206) are rotatably provided on the top and bottom of the main frame (203), and the connecting plates (206) are connected to the first electric push rod (205); Second mounting ears (207) are provided on both sides of the connecting plate (206); the first mounting plate (213) is hinged to one end of the connecting plate (206) away from the main frame (203); a second electric push rod (208) is provided on one group of the second mounting ears (207); and a return spring (209) is provided on another group of the second mounting ears (207); the second electric push rod (208) and the return spring (209) are both connected to the first mounting plate (213).

4. The composite wheel adapted metal profile grinding device for welding pretreatment according to claim 3, characterized in that: A third mounting ear (211) is provided on one side of the main frame (203), a third electric push rod (212) is provided on the third mounting ear (211), the second mounting plate (214) is hinged to one end of the main frame (203), and the third electric push rod (212) is connected to the second mounting plate (214); The grinding wheel (215) on the second mounting plate (214) is a composite structure. The middle portion of the grinding wheel (215) is a cylindrical section, with conical sections symmetrically arranged at both ends. The angle between the central axis of the cylindrical section and the generatrix of the conical section is α (α∈30° to 60°).

5. The composite wheel adapted metal profile grinding device for welding pretreatment according to claim 4, characterized in that: A visual recognition module (502) is provided on the main frame (203), and the visual recognition module (502) faces the grinding table (111). An annular pressure sensor (503) is provided on the mounting shaft of the grinding wheel (215) of the first mounting plate (213) and the second mounting plate (214). The visual recognition module (502) and the annular pressure sensor (503) are both electrically connected to the control module (501).

6. The composite wheel-adaptive metal contour grinding device for welding pretreatment according to claim 5, characterized in that: A dust outlet is provided at the top of the dust hood, and the dust outlet is provided with the dust head (401); a dust row (413) is provided on one side of the first mounting plate (213) and the second mounting plate (214), and the dust row (413) is provided with the dust head (401); A dust box (414) is provided in the workbench (101), an adsorption machine (415) is provided on the dust box (414), the adsorption machine (415) is connected to the plurality of groups of dust collection heads (401) via pipes, and the adsorption machine (415) is electrically connected to the control module (501).

7. The composite wheel adapted metal profile grinding device for welding pretreatment according to claim 6, characterized in that: The dust collection assembly further comprises a dust collection hood arranged on the periphery of the grinding disc (108), the dust collection hood comprising an upper hood (402) and a lower hood (403), one end of the upper hood (402) being mounted on the first grinding motor (107), a dust collection cavity (404) being formed inside the upper hood (402) and the lower hood (403), a plurality of dust collection holes being provided at the bottom of the lower hood (403), the dust collection cavity (404) being in communication with the dust collection holes, the upper hood (402) and the lower hood (403) being detachably connected, and a sealing lip (419) being provided at the bottom of the lower hood (403); The inner wall of the dust suction chamber (404) is provided with a plurality of groups of guide blades (405), and the guide blades (405) are rotatably connected to the lower cover body (403) via a rotating shaft (406).

8. The composite wheel adapted metal profile grinding device for welding pretreatment according to claim 7, characterized in that: The upper cover body (402) is provided with a mounting platform (407), the mounting platform (407) is provided with a driving motor (408), a driving ring (409) is provided between the upper cover body (402) and the lower cover body (403), a ring rack (411) is provided at the bottom of the driving ring (409), the ring rack (411) is engaged with the rotating shaft (406), a gear ring (412) is provided on the side wall of the driving ring (409), the gear ring (412) is engaged with the driving motor (408) via a connecting shaft, and the driving motor (408) is electrically connected to the control module (501).

9. The composite wheel adapted metal profile grinding device for welding pretreatment according to claim 8, characterized in that: The air inlet of the dust storage box (414) is provided with a dust sensor (504), and the dust sensor (504) is electrically connected to the control module (501); Two groups of nozzles (416) are provided in the dust storage box (414), and a dry powder storage bin (417) and a powder feeding pump (418) are provided on one side of the dust storage box (414). The two groups of nozzles (416) are connected to the dry powder storage bin (417) through a pipeline of the powder feeding pump (418), and the electric proportional valve (505) is provided on the connecting pipeline. The electric proportional valve (505) is electrically connected to the powder feeding pump (418) and the control module (501).

10. The composite wheel adapted metal profile grinding device for welding pretreatment according to claim 1, characterized in that: The clamping member comprises a base (301), a first adjusting rod (302) and two groups of first guide rods (303); convex edges are provided on both sides of the polishing table (111); the first adjusting rod (302) and the two groups of first guide rods (303) are connected to the base (301) through the convex edges; A mounting platform (304) is provided on the top of the base (301), an adjustment plate (305) is provided below the mounting platform (304), a second adjustment rod (306) and two sets of second guide rods (307) are passed through the mounting platform (304), one end of the second adjustment rod (306) and the two sets of second guide rods (307) are connected to the adjustment plate (305), and a pressing wheel (308) is rotatably provided on one side of the mounting platform (304) and the adjustment plate (305); A support platform (112) is provided on the polishing platform (111), and a placement groove (113) is provided on the support platform (112).

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