A burr-grinding device for cutting power pipes

Abstract

This utility model discloses a burr-grinding device for cutting power pipelines, belonging to the field of power pipeline processing technology. The device includes a frame with a pipeline base on it. An annular guide rail is provided around the pipeline base, and a grinding mechanism is mounted on the annular guide rail. An angle adjustment mechanism is located below the grinding mechanism and is connected to both the frame and the grinding mechanism. The angle adjustment mechanism includes an angle sensor, an electric push rod, and a base plate. The angle sensor is fixedly mounted on the grinding mechanism, and the electric push rod is located directly below the grinding mechanism, with its two ends hinged to the base plate and the grinding mechanism, respectively. Through dynamic adaptation between the angle sensor, the electric push rod, and the grinding mechanism, the angle sensor directly detects the actual angle between the grinding wheel and the pipeline end. The electric push rod extends and retracts in real time according to the angle deviation fed back by the angle sensor, dynamically adapting to the shape of the end, thus achieving precise grinding and high adaptability of the end.

Description

Technical Field

[0001] This utility model relates to the field of power pipeline processing technology, and in particular to a power pipeline cutting and burr grinding device. Background Technology

[0002] In power engineering construction and pipeline operation and maintenance, burrs are easily generated at the ends of power pipelines after cutting. These burrs need to be smoothed by specialized equipment to ensure the sealing and safety of subsequent pipeline connections. Currently, there are various power pipeline burr smoothing equipment in the industry. These devices typically have a pipeline fixing mechanism, grinding execution components, and a basic drive structure, which can achieve the initial removal of burrs at the pipeline ends. This provides a basic guarantee for the efficient installation and stable operation of power pipelines. They are widely used in scenarios such as power cable laying and transmission line construction, becoming an indispensable auxiliary processing equipment in power engineering.

[0003] Existing equipment for smoothing burrs from the ends of power pipelines typically fixes the grinding wheel to the output shaft of a motor, with the motor mounted on a slide rail. The grinding wheel is gradually brought closer to the power pipeline to smooth the burrs. However, this fixed installation means the grinding wheel can only move in a single linear reciprocating motion and its angle cannot be adjusted. When encountering common beveled ends of power pipelines, it's difficult to adapt the grinding wheel to these bevels. Manual grinding, where an operator holds the grinder, can accommodate common pipeline end shapes, but requires experienced personnel to achieve the desired smoothness. This results in inconsistent quality, is time-consuming, and inefficient. Secondly, when grinding burrs from power pipeline cutting, the resulting debris is usually sucked away by a fan through a suction pipe installed next to the grinding position to avoid interfering with the grinding process. However, existing suction pipes are mostly rigid pipes with fixed installation positions, which cannot move synchronously with the grinding mechanism. When the grinding mechanism moves along the guide rail to the grinding pipe port, the distance between the suction pipe port and the grinding area increases continuously, gradually deviating from the effective suction range. At this time, a blind spot for suction will gradually form, making it difficult to suck up and collect the debris generated during the grinding process in a timely manner. This not only increases the cost of subsequent manual secondary cleaning, but also causes debris to accumulate at the work site, seriously affecting the cleanliness of the work environment. In addition, if the debris is directly sucked into the negative pressure fan, large debris particles are very likely to hit the fan impeller, causing impeller wear and shortening the fan's service life. Fine dust entering the fan bearings will cause bearing lubrication failure, leading to fan failure and greatly increasing equipment maintenance costs.

[0004] In summary, existing equipment suffers from problems such as difficulty in adjusting the grinding angle, blind spots in chip suction, and chip damage to the blower. Utility Model Content

[0005] This invention provides a device for grinding burrs from cutting power pipelines, which can solve the problem of difficulty in adjusting the grinding angle in existing devices.

[0006] A power pipe cutting and burr grinding device includes a frame, a pipe base arranged along the length of the frame, a clamp corresponding to the pipe base, an annular guide rail on the outer periphery of the pipe base, a grinding mechanism sliding along the annular guide rail, a controller on the frame, and an angle adjustment mechanism below the grinding mechanism, the angle adjustment mechanism being connected to both the frame and the grinding mechanism. The angle adjustment mechanism includes an angle sensor, an electric push rod, and a base plate. Several angle sensors are provided and symmetrically arranged in the grinding mechanism. The electric push rod is located directly below the grinding mechanism, and its two ends are respectively hinged to the base plate and the grinding mechanism. The controller is electrically connected to the angle sensors, the electric push rod, and the grinding mechanism.

[0007] Preferably, the grinding mechanism includes a support, a grinding motor, and a grinding wheel; The grinding motor is fixedly mounted on the bracket by bolts, and the output end of the grinding motor is connected to the grinding wheel by a belt.

[0008] Preferably, the two ends of the electric push rod are hinged to the base plate and the bracket respectively, and the angle sensor is fixedly installed on the bracket and located on both sides of the grinding wheel, with its sensing line flush with the surface of the grinding wheel.

[0009] Preferably, the base plate is provided with a drive mechanism, which includes a drive motor and a pulley; The drive motor is fixedly mounted on the upper surface of the base plate; The pulleys are provided in several parts and are fixedly installed on the lower surface of the base plate; The output end of the drive motor passes through the base plate and is fixedly connected to the pulley.

[0010] Preferably, the bracket is equipped with a drive cylinder, the bottom of which is fixedly installed on the inner wall of the bracket, and its output end is connected to the grinding motor. The drive cylinder is placed in a direction parallel to the grinding motor.

[0011] Preferably, the frame is provided with a debris handling mechanism, which is located at one end of the frame.

[0012] Preferably, the debris handling mechanism includes a negative pressure fan, a debris suction pipe, and a debris collection box; The chip suction tube is a flexible tube, one end of which is fixedly installed in and connected to the chip collection box, and the other end is fixedly installed on the bracket. Its end is vertically positioned directly above the grinding wheel, and its port is flared. The chip collection box has a through hole on its side and is connected to the air inlet of the negative pressure fan through a pipe.

[0013] Preferably, the negative pressure fan is installed on one side of the frame, the chip collection box is installed on the other side of the frame, and both the negative pressure fan and the chip collection box are flush with the end of the pipe base.

[0014] Preferably, the chip suction tube moves together with the support on the annular guide rail, and its flared end is always aligned with the junction of the grinding wheel and the tube.

[0015] Preferably, the controller is electrically connected to each power component via wires.

[0016] The beneficial effects of this invention are as follows: Through dynamic adaptation between the angle sensor, electric push rod, and grinding mechanism, the angle sensor directly detects the actual angle between the grinding wheel and the pipe port. The electric push rod is hinged at both ends to the base plate and the support, respectively. The controller extends and retracts the electric push rod in real time based on the angle deviation fed back by the angle sensor, driving the grinding mechanism to rotate around the hinge point. This fit can adapt to both flat and beveled ports without requiring the replacement of dedicated grinding components. Furthermore, the symmetrical arrangement of the dual sensors, through cross-verification, eliminates interference from debris obstruction, further improving angle detection accuracy and achieving precise grinding of complex ports. In addition, the chip suction pipe and grinding mechanism... The synchronous movement between the components and the gas-solid separation between the negative pressure fan and the chip collection box enable efficient chip collection and a clean working environment. The chip suction pipe is a flexible hose that moves synchronously along the circular guide rail with the grinding mechanism, eliminating blind spots in chip suction and solving the problem of reduced chip suction efficiency caused by the positional deviation of traditional fixed chip suction pipes. The negative pressure fan is connected to the chip suction pipe through the chip collection box, which allows large particles of chip to settle by gravity and fine dust to be filtered through the filter screen, preventing chip from directly entering the fan and causing impeller wear or bearing failure. At the same time, the stable negative pressure ensures efficient chip suction, reduces pipe blockage, and enables grinding, chip collection, and purification to be carried out simultaneously, reducing the cost of secondary manual cleaning and improving the working environment. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the power pipeline cutting and burr grinding equipment. Figure 2 This is a schematic diagram of the grinding mechanism of the power pipeline cutting and burr-removing equipment. Figure 3 This is a partial top view of the equipment for cutting and smoothing burrs on power pipelines.

[0018] Explanation of reference numerals in the attached figures: 1. Frame; 2. Pipe base; 3. Fixture; 4. Circular guide rail; 5. Grinding mechanism; 51. Support; 52. Grinding motor; 53. Grinding wheel; 6. Angle adjustment mechanism; 61. Angle sensor; 62. Electric push rod; 63. Base plate; 7. Drive mechanism; 71. Drive motor; 72. Pulley; 8. Drive cylinder; 9. Debris handling mechanism; 91. Negative pressure fan; 92. Chip suction pipe; 93. Chip collection box; 10. Controller. Detailed Implementation

[0019] The specific embodiments of this utility model are described in detail below, but it should be understood that the protection scope of this utility model is not limited to the specific embodiments.

[0020] like Figures 1 to 3 As shown in the figure, the present invention provides a power pipe cutting and burr grinding device, including a frame 1, a pipe base 2 arranged along the length of the frame 1, a clamp 3 correspondingly provided on the pipe base 2, an annular guide rail 4 provided on the outer periphery of the pipe base 2, a grinding mechanism 5 sliding along the annular guide rail 4, a controller 10 provided on the frame 1, and an angle adjustment mechanism 6 provided below the grinding mechanism 5, the angle adjustment mechanism 6 being connected to the frame 1 and the grinding mechanism 5 respectively; The angle adjustment mechanism 6 includes an angle sensor 61, an electric push rod 62, and a base plate 63. Several angle sensors 61 are provided and symmetrically arranged in the grinding mechanism 5. The electric push rod 62 is located directly below the grinding mechanism 5, and its two ends are respectively hinged to the base plate 63 and the grinding mechanism 5. The controller 10 is electrically connected to the angle sensor 61, the electric push rod 62, and the grinding mechanism 5.

[0021] For power pipelines, the grinding mechanism 5 can move around the outer periphery of the power pipeline along the annular guide rail 4. Without the need for manual rotation of the power pipeline or adjustment of the equipment position, it can cover all burr areas on the outer periphery of the power pipeline port, including the outer wall of the power pipeline and the arc transition surface of the port edge. This avoids the problem of local burr residue caused by the limited grinding range of traditional equipment. In addition, the sliding structure of the annular guide rail 4, together with the fixed positioning of the power pipeline base, ensures that the moving trajectory of the grinding mechanism 5 is concentric with the axis of the power pipeline. During the grinding process, the contact distance between the grinding wheel and the outer periphery of the power pipeline is uniform, which effectively avoids the over-grinding or under-grinding of the power pipeline due to trajectory deviation, and improves the appearance consistency and dimensional accuracy of the power pipeline after grinding. Angle adjustment mechanism 6 real-time sensing and dynamic adaptation: Angle sensor 61 is fixed on grinding mechanism 5, which can capture the change of the angle between grinding mechanism 5 and power pipeline port in real time and feed the signal back to controller 10. Controller 10 drives electric push rod 62 to extend and retract according to the feedback signal. Through the structural characteristics of the hinge at both ends of electric push rod 62, it drives grinding mechanism 5 to rotate around the hinge point, realizes dynamic adjustment of grinding angle, adapts to different shapes of common power pipeline ports such as flat opening and bevel opening, without the need to replace special grinding components, and improves the adaptability of equipment to complex ports; The electric push rod 62 is centrally positioned directly below the grinding mechanism 5, ensuring that the adjustment force is transmitted along the central axis of the grinding mechanism 5, thus preventing the grinding mechanism 5 from shaking due to the deviation of the adjustment force. At the same time, the base plate 63 provides stable support for the electric push rod 62, ensuring that the electric push rod 62 itself does not shift during the adjustment process, further guaranteeing the stability of the angle adjustment. Compared with the grinding mechanism tilting problem that is prone to occur in traditional side single push rod adjustment, this design ensures that the contact pressure between the grinding wheel and the power pipe is uniform after the angle is adjusted.

[0022] The operator places the power conduit to be ground onto the conduit base 2 of the frame 1, aligning the conduit axis with the length of the conduit base 2. The conduit is then secured using clamps 3 on the conduit base 2 to ensure no displacement during grinding. After starting the equipment, the grinding mechanism 5 moves along the annular guide rail 4 on the outer periphery of the conduit base 2, initially moving to the grinding position at the conduit end, ready to begin grinding. Angle sensor 61 is fixed to the grinding mechanism 5, continuously detecting the initial angle between the grinding mechanism 5 and the conduit end. If a deviation is detected between the angle and the target grinding angle, angle sensor 61 will... Once the deviation signal is transmitted, the electric push rod 62 of the angle adjustment mechanism 6 extends and retracts, causing the grinding mechanism 5 to rotate around the hinge point until the angle sensor 61 detects that the included angle has reached the target value, at which point the adjustment stops. After the angle is adjusted to the correct position, the grinding mechanism 5 starts and slowly moves around the outer circumference of the pipe along the annular guide rail 4 to grind the burrs at the pipe end. During the grinding process, the angle sensor 61 continuously detects the included angle. If the included angle deviates due to irregularities at the pipe end, the electric push rod 62 extends and retracts in real time to adjust, ensuring that the grinding angle always matches the pipe end, until the burrs on the outer circumference of the pipe are ground.

[0023] The grinding mechanism 5 includes a bracket 51, a grinding motor 52, and a grinding wheel 53; The grinding motor 52 is fixedly mounted on the bracket 51 by bolts, and the output end of the grinding motor 52 is connected to the grinding wheel 53 by a belt.

[0024] Once the grinding mechanism 5 moves to the grinding position and the angle is adjusted, the grinding motor 52 starts and transmits power to the grinding wheel 53 via a belt, causing the grinding wheel 53 to rotate synchronously. After the grinding wheel 53 rotates, it contacts the burrs at the pipe end and removes the burrs through the cutting action of the abrasive layer. The elasticity of the belt drive can absorb the instantaneous impact force during the grinding process, preventing the grinding wheel 53 from jumping due to uneven force, and ensuring a smooth grinding surface.

[0025] The two ends of the electric push rod 62 are hinged to the base plate 63 and the bracket 51 respectively. The angle sensor 61 is fixedly installed on the bracket 51 and located on both sides of the grinding wheel 53. Its sensing line is flush with the surface of the grinding wheel 53.

[0026] Traditional angle adjustment mechanisms have two main problems: First, the adjustment range is narrow, making it unsuitable for the bevels commonly found at power pipeline ports, as well as the irregular arc-shaped ports frequently encountered during emergency repairs. For these types of ports, traditional equipment requires a dedicated grinding head, which is time-consuming. Second, the angle detection accuracy is low; single-sided sensors are easily obstructed by grinding debris, leading to detection errors. When grinding irregular arc-shaped ports, localized burrs may remain. By using hinged adjustment and a symmetrical arrangement of dual sensors, the adjustment range can cover most angle types at power pipeline ports without requiring a dedicated grinding head. The symmetrical arrangement of dual sensors allows for cross-validation to eliminate interference from debris obstruction. When one sensor is obstructed, the other sensor can still detect normally. Traditional angle detection often relies on… The angle of the grinding wheel 53 is indirectly calculated based on the motor axis. After long-term use, the diameter of the grinding wheel 53 will decrease due to wear, and the deviation of the indirectly calculated angle will increase, resulting in a decrease in grinding accuracy. By making the sensing line of the angle sensor 61 flush with the surface of the grinding wheel 53, the actual angle of the contact area between the grinding wheel 53 and the power pipe can be directly detected, which is not affected by the wear of the grinding wheel 53. Secondly, the hinged structure of the electric push rod 62 and the bracket 51 can avoid the adjustment jam caused by the irregularity of the power pipe port compared with the traditional rigid fixed adjustment. When the grinding mechanism 5 encounters the protruding impurities at the power pipe port, the hinged structure allows the grinding wheel 53 to slightly avoid it, preventing the electric push rod 62 from bending due to forced adjustment. Before grinding, the angle sensor 61 is directly aligned with the surface of the pipe port to detect the actual contact angle between the grinding wheel 53 and the power pipe port, avoiding detection deviations caused by wear of the grinding motor 52. The angle sensors 61 on both sides collect angle data simultaneously and take the average value as the final detection result, eliminating the error caused by debris blocking the angle sensor 61 on one side. The electric push rod 62 is hinged to the base plate 63 and the bracket 51 at both ends, rather than being fixedly connected. When the angle needs to be adjusted, the electric push rod 62 extends and retracts to drive the bracket 51 to rotate around the hinge point. The adjustment range can cover the angle requirements of most pipe ports.

[0027] The base plate 63 is provided with a drive mechanism 7, which includes a drive motor 71 and a pulley 72. The drive motor 71 is fixedly mounted on the upper surface of the base plate 63; The pulleys 72 are provided in a plurality of units and are fixedly installed on the lower surface of the base plate 63; The output end of the drive motor 71 passes through the base plate 63 and is fixedly connected to the pulley 72.

[0028] The traditional grinding mechanism 5 on the ring guide rail 4 relies on external thrust or gravity for movement, which has two major problems: First, the moving power is insufficient, especially when grinding large-diameter pipes. As the circumference of the pipe increases, the moving resistance of the grinding mechanism 5 increases, and external thrust needs to be applied manually, which is labor-intensive for operators and results in uneven grinding coverage due to uneven moving speed. Second, the moving trajectory is prone to deviation. Traditional single or double slider supports are prone to tilting during movement due to uneven force, which causes fluctuations in the contact gap between the grinding wheel 53 and the power pipe. The drive motor can provide stable active power, and the moving speed can be precisely controlled. When grinding power steel pipes, the operator does not need to apply thrust. Traditional equipment has a fixed moving speed, which is inefficient when grinding small-diameter pipes and prone to missed grinding when grinding large-diameter pipes. The speed of the drive motor 71 can be dynamically adjusted to adapt to different pipe diameter requirements.

[0029] When the grinding mechanism 5 needs to move along the annular guide rail 4, the drive motor 71 starts and runs, driving the pulley 72 to rotate. When the pulley 72 rotates, it drives the base plate 63 to move along the annular guide rail 4 through friction. The moving speed is controlled by the speed of the drive motor 71. If it is necessary to change the moving direction, the drive motor 71 is reversed, the pulley 72 rotates in the opposite direction, and the grinding mechanism 5 moves in the opposite direction. The operation is flexible.

[0030] The bracket 51 is equipped with a drive cylinder 8. The bottom of the drive cylinder 8 is fixedly installed on the inner wall of the bracket 51, and its output end is connected to the grinding motor 52. The drive cylinder 8 is placed in a direction parallel to the grinding motor 52.

[0031] Based on the wall thickness of the power pipeline to be ground, the feed amount of the drive cylinder 8 is preset. Before grinding begins, the drive cylinder 8 is started. After the drive cylinder 8 is ventilated, its output end pushes the grinding motor 52 to move in a direction parallel to the axis of the grinding motor 52, driving the grinding wheel 53 to approach the port of the power pipeline. During the feeding process of the drive cylinder 8, the cylinder air pressure is monitored in real time by the air pressure sensor to ensure that the contact pressure between the grinding wheel 53 and the pipeline is stable.

[0032] The frame 1 is provided with a debris handling mechanism 9, which is located at one end of the frame 1.

[0033] The debris handling mechanism 9 includes a negative pressure fan 91, a debris suction pipe 92, and a debris collection box 93; The chip suction pipe 92 is a flexible tube, one end of which is fixedly installed in and connected to the chip collection box 93, and the other end is fixedly installed on the bracket 51. Its end is vertically positioned directly above the grinding wheel 53, and its port is flared. The chip collection box 93 has a through hole on its side and is connected to the air inlet of the negative pressure fan 91 through a pipe.

[0034] Traditional chip handling devices suffer from limited suction range and low efficiency. The suction ports are mostly circular, failing to cover most of the grinding area. Furthermore, the suction pipes 92 are typically rigid and cannot move with the grinding mechanism 5. When the grinding mechanism 5 moves, the suction port of the suction pipe 92 deviates from the grinding area. By employing a flared port, flexible hose, and a stable negative pressure design, the device can cover most of the grinding area. The flexible hose design allows the suction pipe 92 to move flexibly with the grinding mechanism 5. The negative pressure fan 91 maintains stable negative pressure through frequency conversion control, improving suction efficiency and reducing pipe blockage. In traditional debris handling devices, debris directly enters the negative pressure fan 91, posing two major risks: first, large debris particles can impact the impeller of the negative pressure fan 91, causing impeller wear; second, fine dust can enter the bearings of the negative pressure fan 91, leading to bearing lubrication failure and high maintenance costs for the negative pressure fan 91. By designing the debris collection box 93 as a pre-buffered separation device, efficient gas-solid separation can be achieved: large debris particles settle due to gravity within the debris collection box 93 and will not enter the negative pressure fan 91; fine dust is initially filtered by the filter screen within the debris collection box 93, reducing the dust concentration entering the negative pressure fan 91.

[0035] Before starting the grinding process, the negative pressure fan 91 is activated. The operation of the negative pressure fan 91 creates a negative pressure inside the chip collection box 93. This negative pressure is transmitted to the funnel-shaped port through the chip suction pipe 92, forming a stable airflow in the grinding area. During the grinding process, the generated debris is sucked into the funnel-shaped port of the chip suction pipe 92 by the airflow. Large particles of debris are carried by the airflow into the chip collection box 93 along the hose and settle to the bottom of the box due to gravity. Fine dust rises with the airflow, is filtered by the filter screen inside the chip collection box 93, and remains inside the box. The filtered clean air enters the air inlet of the negative pressure fan 91 through the through hole on the side of the chip collection box 93 and the power pipe, and is then discharged to the outside from the air outlet of the negative pressure fan 91, realizing the complete process of "debris collection - air purification".

[0036] The negative pressure fan 91 is installed on one side of the frame 1, and the chip collection box 93 is installed on the other side of the frame 1. Both the negative pressure fan 91 and the chip collection box 93 are flush with the end of the pipe base 2.

[0037] The chip suction pipe 92 and the bracket 51 move together on the annular guide rail 4, and its flared port is always aligned with the junction of the grinding wheel 53 and the pipe.

[0038] In traditional equipment, the chip suction pipe 92 is usually fixed and cannot move with the grinding mechanism 5, resulting in blind spots in chip suction. As the grinding mechanism 5 moves along the annular guide rail 4, the distance between the chip suction port and the grinding area gradually increases, causing a sharp drop in chip suction efficiency. This leads to a large amount of debris remaining on the movement path of the grinding mechanism 5, requiring subsequent manual cleaning, increasing the workflow and labor costs. By fixing the chip suction pipe 92 to the bracket 51 and moving it together with the annular guide rail 4, the flared port is always aligned with the junction of the grinding wheel 53 and the power conduit. Regardless of where the grinding mechanism 5 moves to on the annular guide rail 4, the chip suction efficiency can be kept stable. Furthermore, the traditional fixed chip suction pipe 92 is easily damaged by pulling and bending when the grinding mechanism 5 moves. When the chip suction pipe 92 is fixed as a rigid pipe, the movement of the grinding mechanism 5 will cause damage to the pipe. Firstly, the pipe joints are prone to breakage due to tensile force. Secondly, when the hose is fixed, the pipe is prone to damage to the inner wall due to excessive bending, requiring frequent replacement of the chip suction pipe 92. By making the chip suction pipe 92 move synchronously with the bracket 51, the pipe only needs to move smoothly in a circular motion with the bracket 51 without additional tensile force. Furthermore, the traditional fixed chip suction pipe 92 will cause fluctuations in negative pressure inside the chip suction pipe 92 due to changes in the relative position with the grinding mechanism 5: when the negative pressure is too low, large particles of debris cannot be sucked up; when the negative pressure is too high, the pipe will easily be over-adsorbed onto the pipe surface, affecting the normal movement of the grinding mechanism 5. By moving the chip suction pipe 92 synchronously with the grinding mechanism 5, the distance between the chip suction port and the grinding area remains stable, and the range of negative pressure fluctuations inside the pipe is small. This ensures the effective suction of large particles of debris and avoids movement jamming caused by excessive adsorption of the pipe, thus providing dual protection for chip suction efficiency and grinding stability.

[0039] When the drive motor 71 starts and drives the grinding mechanism 5 to move along the annular guide rail 4, the chip suction pipe 92 moves synchronously with the bracket 51. The flexibility of the hose allows the suction tube 92 to move smoothly in a circular motion with the bracket 51 without pulling or excessive bending. During the movement, the flared end of the suction tube 92 is always aligned with the junction of the grinding wheel 53 and the power conduit. When the grinding mechanism 5 moves clockwise around the power conduit, the suction tube 92 moves clockwise synchronously with the bracket 51, and the end is always directly facing the contact point between the grinding wheel 53 and the power conduit, ensuring that newly generated debris is immediately sucked up without any missed areas. No manual adjustment of the chip suction pipe position is required during the grinding process, reducing operational intervention and improving work efficiency.

[0040] The controller 10 is electrically connected to each power component via wires.

[0041] In traditional equipment, components such as the grinding motor 52, angle adjustment mechanism 6, drive mechanism 7, and negative pressure fan 91 are mostly controlled independently, resulting in poor coordination. For example, after the grinding motor 52 starts, manual waiting is required for the angle adjustment mechanism 6 to be in place and the negative pressure fan 91 to start before grinding can begin, leading to low work efficiency. Secondly, the parameter matching accuracy is low; when manually adjusting parameters such as angle and speed, parameter deviations may be large, resulting in unstable grinding quality. By electrically connecting the controller 10 to each power component, one-button linkage control can be achieved. The operator only needs to select parameters such as the power pipe material and diameter on the controller 10, and the controller 10 will automatically match the grinding speed, angle, movement speed, and fan negative pressure to achieve standard operation. Standardized and efficient operations are needed, but traditional equipment lacks an effective fault monitoring mechanism. Component failures can only be detected after the equipment is shut down, which presents two major problems: first, fault diagnosis is difficult, leading to long downtime and affecting production progress; second, the risk of fault escalation is high. For example, if motor overload is not detected in time, it can lead to motor burnout and increased maintenance costs. In the design of this claim, the controller 10 collects the operating parameters of each component in real time and sets safety thresholds: when the motor current exceeds the rated value or the fan negative pressure is lower than the threshold, the controller 10 immediately stops the operation of the corresponding component and triggers an audible and visual alarm, displaying the cause of the fault on the display screen. At the same time, overload protection can prevent motor burnout and reduce fault losses.

[0042] In summary, the utility model embodiment provides a power pipe cutting and burr grinding device. During use, the operator turns on the main power supply, and the controller 10 initiates a self-test to confirm that all electrical components, such as the grinding mechanism 5, angle adjustment mechanism 6, drive mechanism 7, and debris handling mechanism 9, are properly connected. Then, the operator inputs parameters such as the material, diameter, and port type of the power pipe to be ground into the controller 10's operating interface. The controller 10 automatically matches operating parameters such as the grinding wheel 53's rotation speed, grinding angle, the grinding mechanism 5's movement speed along the annular guide rail 4, and the negative pressure value of the negative pressure fan 91 according to a preset algorithm, completing the equipment initialization. The operator then places the power pipe to be ground on the pipe base 2 of the frame 1, ensuring that the pipe axis is aligned with the length direction of the pipe base 2 to avoid... The offset of the power pipeline affects the grinding accuracy. Therefore, the power pipeline is clamped by clamp 3 to prevent the grinding trajectory from deviating due to pipeline displacement during grinding. Controller 10 sends a command to drive mechanism 7, driving motor 71 to start and rotate pulley 72. Pulley 72 cooperates with the annular guide rail 4, driving the base plate 63, angle adjustment mechanism 6, and grinding mechanism 5 to move along the annular guide rail 4 until the grinding wheel 53 of grinding mechanism 5 moves to the grinding area at the end of the power pipeline. Drive motor 71 stops running, completing the pre-positioning of grinding mechanism 5. Simultaneously, angle sensors 61, fixed on bracket 51 and located on both sides of grinding wheel 53, are activated. The sensing rays are flush with the surface of grinding wheel 53, directly detecting the initial angle between grinding wheel 53 and the end of the power pipeline. Both sensors simultaneously collect data and average the values, transmitting the results to controller 10. Controller 10 compares the initial angle with the preset target grinding angle. If a deviation exists, it immediately sends a telescopic command to the electric push rod 62 of the angle adjustment mechanism 6. The electric push rod 62 is hinged at both ends to the base plate 63 and the bracket 51, respectively. During telescopic movement, it drives the bracket 51 and the grinding wheel 53 to rotate around the hinge point until the angle sensor 61 detects that the angle has reached the target value. Controller 10 then sends a stop command, and the electric push rod 62 stops telescopically, completing the initial grinding angle adjustment. After the angle adjustment is in place, controller 10 simultaneously sends commands to the drive cylinder 8 and the grinding motor 52 of the grinding mechanism 5. After the drive cylinder 8 is ventilated, its output end moves along a path parallel to the axis of the grinding motor 52. The direction drives the grinding motor 52 to move, causing the grinding wheel 53 to approach the power pipeline port. During the feeding process, the controller 10 monitors the cylinder air pressure in real time through the air pressure sensor to ensure that the contact pressure between the grinding wheel 53 and the pipeline port is stable within a preset range. At the same time, the grinding motor 52 starts, transmitting power to the grinding wheel 53 through the belt, causing the grinding wheel 53 to rotate at a preset speed. Subsequently, the controller 10 restarts the drive motor 71 of the drive mechanism 7, and the grinding mechanism 5 slowly moves around the outer periphery of the power pipeline along the annular guide rail 4 at a preset speed. The grinding wheel 53, through the cutting action of the abrasive layer, thoroughly grinds the burrs on the beveled port of the power pipeline. During the grinding process, the angle sensor 61 continuously detects the angle between the grinding wheel 53 and the pipeline port.If the angle shifts due to the bevel shape of the power conduit port, the angle sensor 61 transmits the deviation signal to the controller 10 in real time. The controller 10 immediately drives the electric push rod 62 to extend and retract in real time, dynamically adjusting the grinding angle to ensure that the grinding wheel 53 is always adapted to the power conduit port, avoiding over- or under-grinding in certain areas. At the same time, the chip handling mechanism 9 continues to operate, and the negative pressure fan 91 operates at a preset negative pressure value, creating a stable negative pressure inside the chip collection box 93. The negative pressure is transmitted to the flared port through the chip suction pipe 92, which is fixedly connected to the bracket 51. The port is always in contact with the grinding wheel 53 and the conduit. The joints are aligned, and the grinding mechanism 5 moves synchronously with it. Grinding debris is sucked into the suction pipe 92 by the airflow. Larger debris enters the chip collection box 93 and settles to the bottom due to gravity. Fine dust is filtered through the filter screen inside the chip collection box 93 and remains inside. The filtered clean air enters the negative pressure fan 91 through a pipe and is finally discharged to the outside. When the grinding mechanism 5 completes at least one revolution along the circular guide rail 4, the controller 10 determines that the burrs on the outer circumference of the pipe have been ground according to the preset grinding time and the number of revolutions of the drive motor 71. It then sends a stop command. The negative pressure fan 91 continues to run for 30 seconds to ensure that all remaining debris in the suction pipe 92 is sucked into the chip collection box 93 before stopping. Finally, the controller 10 indicates that grinding is complete. The operator closes the clamp 3, removes the ground power pipe, and completes a single grinding operation. The equipment awaits the next start command.

[0043] The above-disclosed embodiments are only a few specific examples of the present utility model. However, the embodiments of the present utility model are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present utility model.

Claims

1. A burr-grinding device for cutting power pipes, comprising a frame (1), a pipe base (2) arranged along the length of the frame (1) on the frame (1), a clamp (3) correspondingly provided on the pipe base (2), an annular guide rail (4) provided on the outer periphery of the pipe base (2), a grinding mechanism (5) sliding along the annular guide rail (4) on the annular guide rail (4), and a controller (10) provided on the frame (1), characterized in that: An angle adjustment mechanism (6) is provided below the grinding mechanism (5), and the angle adjustment mechanism (6) is connected to the frame (1) and the grinding mechanism (5) respectively; The angle adjustment mechanism (6) includes an angle sensor (61), an electric push rod (62), and a base plate (63). Several angle sensors (61) are provided and symmetrically arranged in the grinding mechanism (5). The electric push rod (62) is located directly below the grinding mechanism (5), and its two ends are respectively hinged to the base plate (63) and the grinding mechanism (5). The controller (10) is electrically connected to the angle sensor (61), the electric push rod (62), and the grinding mechanism (5).

2. The power pipeline cutting burr grinding equipment as described in claim 1, characterized in that: The grinding mechanism (5) includes a bracket (51), a grinding motor (52), and a grinding wheel (53). The grinding motor (52) is fixedly mounted on the bracket (51) by bolts, and the output end of the grinding motor (52) is connected to the grinding wheel (53) by a belt.

3. A power pipeline cutting burr grinding device as described in claim 1 or 2, characterized in that: The two ends of the electric push rod (62) are hinged to the base plate (63) and the bracket (51) respectively. The angle sensor (61) is fixedly installed on the bracket (51) and located on both sides of the grinding wheel (53). Its sensing line is flush with the surface of the grinding wheel (53).

4. The power pipeline cutting burr grinding equipment as described in claim 3, characterized in that: The base plate (63) is provided with a drive mechanism (7), which includes a drive motor (71) and a pulley (72). The drive motor (71) is fixedly mounted on the upper surface of the base plate (63); The pulleys (72) are provided in a plurality of units and are fixedly installed on the lower surface of the base plate (63); The output end of the drive motor (71) passes through the base plate (63) and is fixedly connected to the pulley (72).

5. The power pipeline cutting burr grinding equipment as described in claim 3, characterized in that: The bracket (51) is equipped with a drive cylinder (8). The bottom of the drive cylinder (8) is fixedly installed on the inner wall of the bracket (51), and its output end is connected to the grinding motor (52). The drive cylinder (8) is placed in a direction parallel to the grinding motor (52).

6. The power pipeline cutting burr grinding equipment as described in claim 1, characterized in that: The frame (1) is provided with a debris handling mechanism (9), which is located at one end of the frame (1).

7. The power pipeline cutting burr grinding equipment as described in claim 6, characterized in that: The debris handling mechanism (9) includes a negative pressure fan (91), a debris suction pipe (92), and a debris collection box (93). The chip suction pipe (92) is a flexible tube, one end of which is fixedly installed in the chip collection box (93) and connected to it, and the other end is fixedly installed on the bracket (51), with its end in a vertical direction directly above the grinding wheel (53), and its port is flared. The chip collection box (93) has a through hole on its side and is connected to the air inlet of the negative pressure fan (91) through a pipe.

8. The power pipeline cutting burr grinding equipment as described in claim 7, characterized in that: The negative pressure fan (91) is installed on one side of the frame (1), and the chip collection box (93) is installed on the other side of the frame (1). Both the negative pressure fan (91) and the chip collection box (93) are flush with the end of the pipe base (2).

9. The power pipeline cutting burr grinding equipment as described in claim 7, characterized in that: The chip suction tube (92) and the bracket (51) move together on the annular guide rail (4), and its flared port is always aligned with the junction of the grinding wheel (53) and the pipe.

10. The power pipeline cutting burr grinding equipment as described in claim 1, characterized in that: The controller (10) is electrically connected to each power component via wires.

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