Pipeline fixed-length intelligent cutting device and method for automobile part machining

Abstract

The invention relates to a pipeline fixed-length intelligent cutting device for automobile part machining, which comprises a bearing table, two heavy load driving guide rails, at least one sliding table, a cutting mechanism, a positioning clamp, a pipeline folding and unfolding mechanism and a driving circuit, the bearing table is provided with the two heavy load driving guide rails, and the heavy load driving guide rails are in sliding connection with the at least one sliding table respectively; wherein one sliding table is connected with the cutting mechanism, the other sliding table is connected with the positioning clamp, the two pipeline winding and unwinding mechanisms are symmetrically distributed outside the front end face and the rear end face of the bearing table and connected with the outer side face of the bearing table, and the driving circuit is located in the bearing table. The cutting method comprises the four steps of equipment pretreatment, cutting adjustment and cutting operation. On one hand, the requirements of cutting operation of pipelines of various materials, pipe diameters and structure types can be effectively met; and on the other hand, the cutting operation control precision is high, and the stability of the pipeline cutting and shaping quality, the machining precision and the working efficiency can be effectively improved.

Description

Technical Field

[0001] The invention relates to a pipe fixed-length intelligent cutting device and a cutting method for processing automobile parts, belonging to the technical field of mechanical processing. Background Art

[0002] At present, in automobile production, pipe cutting operations of various materials, pipe diameters and structures such as cemented carbide, rubber, and plastic are often involved. When performing such pipe cutting operations, traditional cutting equipment such as sawing machines, pipe cutting machines and other equipment are often used. Although it can meet the needs of production and processing, it leads to the need to equip a variety of cutting equipment of different structural types in production in order to meet the needs of pipe processing operations of different structural types. In order to meet the needs of production, and because pipes often have a certain elastic deformation capacity, the pipes are easily affected by the driving force of the conveying equipment, the pressure when the cutting tool is cut, the cutting angle and direction, and the auxiliary positioning operation of the staff, resulting in large errors in the cutting length.

[0003] To address this problem, although a variety of high-precision cutting equipment has been developed, these devices generally have defects such as complex structure and high purchase, operation and maintenance costs. At the same time, they still cannot effectively meet the needs of cutting operations for pipelines of various structures and materials.

[0004] Therefore, in response to this problem, there is an urgent need to develop a fixed-length intelligent pipe cutting device and method for automobile parts processing to meet the needs of actual work. Summary of the invention

[0005] In order to solve the deficiencies in the prior art, the present invention has a high degree of integration, modularization and automation. On the one hand, it can effectively meet the needs of pipeline cutting operations of various materials, pipe diameters and structural types, thereby effectively improving the flexibility and reliability of the cutting operation; on the other hand, the cutting operation has high control accuracy, which can effectively improve the stability of pipeline cutting and shaping quality, processing accuracy and work efficiency.

[0006] In order to achieve the above object, the present invention is implemented through the following technical solutions: A fixed-length intelligent pipe cutting device for automobile parts processing comprises a bearing platform, a heavy-loaded driving guide rail, a slide, a cutting mechanism, a positioning fixture, a pipe retracting and releasing mechanism and a driving circuit. The bearing platform is a frame structure with a rectangular cross section, and its axis is parallel to the horizontal plane. Two heavy-loaded driving guide rails are arranged on the bearing platform, which are parallel to each other, and the two heavy-loaded driving guide rails are symmetrically distributed on both sides of the bearing platform axis and parallel to the bearing platform axis. The heavy-loaded driving guide rails are respectively slidably connected to at least one slide, wherein the slide located at the rear side of the bearing platform is connected to the cutting mechanism, and the slide located at the front side of the bearing platform is connected to the positioning fixture, and the cutting mechanism and the positioning fixture are slidably connected to the upper end surface of the bearing platform through the heavy-loaded driving guide rail and the slide. There are two pipe retracting and releasing mechanisms, which are symmetrically distributed outside the front end surface and the rear end surface of the bearing platform and connected to the outer side surface of the bearing platform. The driving circuit is located in the bearing platform and is electrically connected to the heavy-loaded driving guide rail, the cutting mechanism, the positioning fixture and the pipe retracting and releasing mechanism respectively.

[0007] Furthermore, the cutting mechanism includes a turntable mechanism, a robotic arm, a cutting motor, a circular knife, an electromagnetic induction coil, and a cutter disc frame. The lower end face of the robotic arm is hinged to the upper end face of the adjustment table through the turntable mechanism, and the front end face of the robotic arm is hinged to a cutter disc frame through the turntable mechanism. The cutter disc frame is a circular cavity structure, the circular knife is embedded in the cutter disc frame, and the circular knife and the cutter disc frame are coaxially distributed, and the diameter of the cutter disc frame is 30%~60% of the diameter of the circular knife. The circular knife is connected to the cutting motor through a transmission shaft and is coaxially distributed, and the magnetic induction coil is embedded in the cutter disc frame, at least two of them are symmetrically distributed on both sides of the circular knife, and at the same time, the two electromagnetic induction coils are annular structures coaxially distributed with the circular knife, and are respectively connected to the inner side surfaces of the cutter disc frame on both sides of the circular knife. At the same time, the distance between the circular knife and the electromagnetic induction coil is 1~10 mm, and the turntable mechanism, robotic arm, cutting motor, electromagnetic induction coil, and cutter disc frame are all electrically connected to the drive circuit.

[0008] Furthermore, the cutter head frame includes a cutter head, a positioning frame, a lifting drive mechanism, a pressure sensor, a temperature sensor, a laser rangefinder, and an inclination sensor. The positioning frame has an "H"-shaped cross-section frame structure. The groove on its rear end face is hinged to the front end face of the robotic arm through a turntable mechanism and can rotate within a range of 0° to 360°. The cutter head is embedded in the groove on the front end face of the positioning frame and is slidably connected to the inner side face of the positioning frame through the lifting drive mechanism. The axis of the lifting drive mechanism is parallel to the axis of the positioning frame. The cutter head includes a left disk and a right disk. Both the left disk and the right disk have a disk structure with a "U"-shaped cross-section. The left disk and the right disk are connected by a transmission shaft and are coaxially distributed. The circular cutter is located between the left disk and the right disk and is connected to the transmission shaft. At the same time, the electromagnetic induction coils are respectively connected to the inner side faces of the left disk and the right disk through hard heat-resistant insulating blocks. The temperature sensor and the laser rangefinder are both embedded at the lower end face of the cutter head. The detection axis of the laser rangefinder is parallel to the axis of the positioning frame, perpendicular to and intersecting with the axis of the circular cutter. There are two pressure sensors, which are respectively located at the connection positions between the left disk and the right disk of the cutter head and the lifting drive mechanism. The inclination sensor is connected to the outer side face of the positioning frame. The lifting drive mechanism, the pressure sensor, the temperature sensor, the laser rangefinder, and the inclination sensor are all electrically connected to the drive circuit.

[0009] Furthermore, the positioning fixture includes an adjustment table, a telescopic drive rod, an electric positioning fixture, a turntable mechanism, a drainage fan, a diversion pipe, an inclination sensor, a tension sensor, and a horizontal telescopic column. The adjustment table has a cavity structure with a rectangular cross-section. Its front end face is provided with a return port, and the axis of the return port is perpendicularly distributed to the axis of the bearing table. The drainage fan is embedded in the adjustment table and coaxially distributed with the return port. The rear end face of the adjustment table is provided with an exhaust port, which is communicated with the diversion pipe through the exhaust port. There are two horizontal telescopic columns in total, which are connected to the upper end face of the adjustment table and coaxially distributed. The axes of the two horizontal telescopic columns are parallel to the axis of the bearing table. The front end face of the horizontal telescopic column is located outside the side surface of the adjustment table and is connected to a turntable mechanism. The turntable mechanism is coaxially distributed with the horizontal telescopic column and is connected to the rear end face of a telescopic drive rod. The axis of the telescopic drive rod is perpendicularly distributed and intersects with the axis of the telescopic drive rod. At the same time, the telescopic drive rod rotates around the axis of the horizontal telescopic column within a range of 0° to 180° through the turntable mechanism. The front end face of the telescopic drive rod is connected to the electric positioning fixture through the turntable mechanism. The telescopic drive rod and the electric positioning fixture are coaxially distributed. At the same time, the electric positioning fixture rotates around the axis of the telescopic drive rod within a range of 0° to 360° through the turntable mechanism. At the same time, an inclination sensor is provided on the outer side surface of the electric positioning fixture. The tension sensor is connected to the upper end face of the adjustment table and is located at the center position of the adjustment table. At the same time, the connecting sections of the tension sensor are respectively connected to the telescopic drive rod through springs. The springs are coaxially distributed with the tension sensor and are perpendicularly distributed to the axis of the telescopic drive rod. The telescopic drive rod, the electric positioning fixture, the turntable mechanism, the drainage fan, the inclination sensor, the tension sensor, and the horizontal telescopic column are all electrically connected to the drive circuit.

[0010] Furthermore, both the telescopic drive rod and the horizontal telescopic column are at least two-stage electric telescopic rod structures.

[0011] Furthermore, a guiding groove is provided on both the front end face and the rear end face of the bearing table corresponding to the pipeline winding and unwinding mechanism. The guiding groove has a "U"-shaped cross-section and is perpendicularly distributed to the axis of the bearing table. The pipeline winding and unwinding mechanism is embedded in the guiding groove and is connected to the bearing table through the guiding groove.

[0012] Furthermore, the pipe retracting and releasing mechanism includes a guide slide rail, a lifting drive mechanism, a carrying tray, a winder, a constant torque motor, a swing arm and a torque sensor, wherein there are two guide slide rails, which are symmetrically distributed on the inner side of the guide groove and parallel to the axis of the guide groove. The carrying tray is a plate-like structure with a rectangular cross-section, and its side surface is slidably connected to the guide slide rail through a lifting drive mechanism, and the lifting drive mechanism is embedded in the guide slide rail. The upper end surface of the carrying tray is parallel to the upper end surface of the carrying platform, and a winder is provided. The axis of the winder is perpendicularly distributed and intersects with the axis of the carrying platform, and is hinged to the upper end surface of the carrying tray through 1 to 2 swing arms. The axis of the swing arm forms an angle of 0° to 90° with the upper end surface of the carrying tray, and its lower end surface is hinged to the upper end surface of the carrying tray through a constant torque motor. At the same time, a torque sensor is provided at the constant torque motor, and the lifting drive mechanism, winder, constant torque motor and torque sensor are all electrically connected to the drive circuit.

[0013] Furthermore, the driving circuit is a circuit system based on a programmable controller, and is also provided with any one or several common control interfaces including but not limited to a display, a button, and a potentiometer.

[0014] A cutting method of a pipe fixed-length intelligent cutting device for automobile parts processing, comprising the following steps: S1, equipment pretreatment, firstly, the pipe equipment to be cut is assisted in carrying and positioning by the pipe retracting and releasing mechanism on one side of the carrying platform, and at the same time, the cutting mechanism is driven to pre-operate and standby according to the pipe material to be cut; S2, cutting adjustment, first the driving pipe retracting and releasing mechanism at the front end of the carrier platform is operated, driving the pipe to be cut to run at a uniform speed along the axis of the carrier platform toward the rear end of the carrier platform, and the pipe retracting and releasing mechanism at the rear end of the carrier platform receives the pipe; then the heavy-duty driving guide rail is driven to operate, and the heavy-duty driving guide rail adjusts the working position of the cutting mechanism and the positioning fixture through the slider, and then the positioning fixture clamps the pipe and positions it, and adjusts the local pipe distribution direction and structure at the pipe cutting part, thereby adjusting the cutting angle; S3, cutting operation, after completing the partial clamping and positioning of the pipeline, the cutting mechanism is driven to operate, on the one hand, the working height and angle of the cutter head in the cutting mechanism are adjusted, and on the other hand, the rotation speed and temperature of the circular knife are adjusted. After the cutting mechanism reaches the set parameters, the cutting mechanism performs a cutting operation on the pipeline, and after the cutting operation is completed, the circular knife of the cutting mechanism is reset with the cutter head. At the same time, the positioning fixture releases a section of the pipeline after the cutting operation is completed, and the pipeline retracting mechanism at the rear end of the carrier platform collects it; then the positioning fixture releases the pipeline to be cut, and the pipeline retracting mechanism at the front end of the carrier platform drives the pipeline to continue to be transported, and the pipeline retracting mechanism at the rear end of the carrier platform performs auxiliary clamping and positioning again, and then the pipeline retracting mechanism at the rear end of the carrier platform performs auxiliary clamping and positioning again, and then the pipeline can be returned to step S2 for subsequent cutting operations.

[0015] Compared with the prior art, the present invention has a high degree of integration, modularization and automation. On the one hand, it can effectively meet the needs of pipeline cutting operations of various materials, pipe diameters and structural types, thereby effectively improving the flexibility and reliability of the cutting operation; on the other hand, the cutting operation has high control accuracy, which can effectively improve the stability of pipeline cutting and shaping quality, processing accuracy and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments; Figure 1 It is a schematic diagram of a partial structure viewed from above of the present invention; Figure 2 It is a schematic diagram of the partial structure of the cutting mechanism from the side; Figure 3 It is a schematic diagram of the local structure of the cutter head frame from a top view; Figure 4 This is a schematic diagram of the partial structure of the adjustment platform.

[0017] Explanation of the reference numerals: 1. Carrying platform; 2. Heavy-load driving guide rail; 3. Slide; 4. Cutting mechanism; 5. Positioning fixture; 6. Pipeline retracting and releasing mechanism; 7. Driving circuit; 41. Turntable mechanism; 42. Robotic arm; 43. Cutting motor; 44. Circular knife; 45. Electromagnetic induction coil; 46. Cutter head frame; 461. Cutter head; 462. Positioning frame; 463. Lifting and lowering driving mechanism; 464. Pressure sensor; 465. Temperature sensor; 466. Laser ranging Instrument; 467 inclination sensor; 51, adjustment table; 52, telescopic drive rod; 53, electric positioning fixture; 54 spring; 55, drainage fan; 56, guide pipe; 467, inclination sensor; 57, tension sensor; 58 horizontal telescopic column; 59, return port; 50, exhaust port; 61, guide rail; 463, lifting drive mechanism; 62, load tray; 63, winder; 64, constant torque motor; 65, swing arm; 66, torque sensor. DETAILED DESCRIPTION

[0018] In order to facilitate the construction of the technical means, creative features, objectives and effects achieved by the present invention, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1-Figure 4As shown, a pipe fixed-length intelligent cutting device for automobile parts processing includes a bearing platform 1, a heavy-duty driving guide rail 2, a slide 3, a cutting mechanism 4, a positioning fixture 5, a pipe retracting and releasing mechanism 6 and a driving circuit 7. The bearing platform 1 is a frame structure with a rectangular cross section, and its axis is parallel to the horizontal plane. Two heavy-duty driving guide rails 2 are arranged on the bearing platform 1 and are parallel to the axis of the bearing platform 1. The heavy-duty driving guide rails 2 are respectively slidable between at least one slide 3. The slide 3 at the rear side of the carrier platform 1 is connected to the cutting mechanism 4, the slide 3 at the front side of the carrier platform 1 is connected to the positioning fixture 5, and the cutting mechanism 4 and the positioning fixture 5 are slidably connected to the upper end surface of the carrier platform 1 through the heavy-load drive guide rail 2 and the slide 3. There are two pipe retracting and releasing mechanisms 6, which are symmetrically distributed outside the front end surface and the rear end surface of the carrier platform 1 and are connected to the outer side surface of the carrier platform 1. The driving circuit 7 is located in the carrier platform 1 and is electrically connected to the heavy-load drive guide rail 2, the cutting mechanism 4, the positioning fixture 5, and the pipe retracting and releasing mechanism 6 respectively.

[0020] It is emphasized that the cutting mechanism 4 includes a turntable mechanism 41, a mechanical arm 42, a cutting motor 43, a circular knife 44, an electromagnetic induction coil 45, and a cutter head frame 46. The lower end face of the mechanical arm 42 is hinged to the upper end face of the slide 3 through the turntable mechanism 41, and the front end face of the mechanical arm 42 is hinged to a cutter head frame 46 through the turntable mechanism 41. The cutter head frame 46 is a circular cavity structure, and the circular knife 44 is embedded in the cutter head frame 46, and the circular knife 44 and the cutter head frame 46 are coaxially distributed, and the diameter of the cutter head frame 46 is 30% to 60% of the diameter of the circular knife 44. The circular knife 44 is driven by a transmission The shaft is connected to the cutting motor 43 and is coaxially distributed, and the magnetic induction coil 45 is embedded in the cutter head frame 46, at least two of which are symmetrically distributed on both sides of the circular knife 44. At the same time, the two electromagnetic induction coils 45 are annular structures coaxially distributed with the circular knife 44, and are respectively connected to the inner side surfaces of the cutter head frame 46 on both sides of the circular knife 44. At the same time, the distance between the circular knife 44 and the electromagnetic induction coil 45 is 1-10 mm. The turntable mechanism 41, the robotic arm 42, the cutting motor 43, the electromagnetic induction coil 45, and the cutter head frame 46 are all electrically connected to the drive circuit 7, and the cutting motor 43 is connected to the cutter head frame 46.

[0021] The circular knife can directly cut the pipe under the drive of the cutting motor, thus meeting the needs of cutting hard pipes; The electromagnetic induction coil can heat the circular knife by magnetic induction, and by increasing the temperature of the circular knife, it can achieve the need for cutting hot-melt material pipes such as plastics; The set robotic arm can flexibly realize the needs of production operations at different cutting angles, thereby flexibly meeting the needs of cutting and processing operations under a variety of complex processing conditions.

[0022] Specifically, the cutter head frame 46 includes a cutter head 461, a positioning frame 462, a lifting drive mechanism 463, a pressure sensor 464, a temperature sensor 465, a laser rangefinder 466, and an inclination sensor 467. The positioning frame 462 has a cross-section in the shape of an "H" - shaped frame structure. The groove on its rear end face is hinged to the front end face of the robotic arm 42 through a turntable mechanism 41 and can rotate within the range of 0° to 360°. The cutter head 461 is embedded in the groove on the front end face of the positioning frame 462 and is slidably connected to the inner side face of the positioning frame 462 through a lifting drive mechanism 463. And the axis of the lifting drive mechanism 463 is parallel to the axis of the positioning frame 462. The cutter head 461 includes a left disk 4611 and a right disk 4612. Both the left disk 4611 and the right disk 4612 are disk structures with a cross-section in the shape of a "U". The left disk 4611 and the right disk 4612 are connected by a transmission shaft and are coaxially distributed. The circular cutter 44 is located between the left disk 4611 and the right disk 4612 and is connected to the transmission shaft. At the same time, the electromagnetic induction coils 45 are respectively connected to the inner side faces of the left disk 4611 and the right disk 4612 through hard heat-resistant insulating blocks. The temperature sensor 465 and the laser rangefinder 466 are both embedded at the lower end face of the cutter head 461. And the detection axis of the laser rangefinder 466 is parallel to the axis of the positioning frame 462, perpendicular to and intersecting with the axis of the circular cutter 44. There are two pressure sensors 464, which are respectively located at the connection positions between the left disk 4611 and the right disk 4612 of the cutter head 461 and the lifting drive mechanism 463. The inclination sensor 467 is connected to the outer side face of the positioning frame 462. And the lifting drive mechanism 463, the pressure sensor 464, the temperature sensor 465, the laser rangefinder 466, and the inclination sensor 467 are all electrically connected to the drive circuit 7.

[0023] Meanwhile, the cutting motor 43 is connected to the outer side face of the cutter head 461.

[0024] At the same time, the positioning fixture includes an adjustment platform 51, a telescopic driving rod 52, an electric positioning fixture 53, a turntable mechanism 41, a drainage fan 55, a guide tube 56, an inclination sensor 467, a tension sensor 57, and a horizontal telescopic column 58, wherein the adjustment platform 51 is a cavity structure with a rectangular cross section, and a return port 59 is arranged on its front end surface, and the axis of the return port 59 is perpendicular to the axis of the bearing platform 1, the drainage fan 55 is embedded in the adjustment platform 51, and is coaxially distributed with the return port 59, and the rear end surface of the adjustment platform 51 is provided with The exhaust port 50 is connected to the guide pipe 56 through the exhaust port 50. There are two horizontal telescopic columns 58, which are connected to the upper end surface of the adjustment platform 51 and are coaxially distributed. The axes of the two horizontal telescopic columns 58 are parallel to the axis of the bearing platform 1. The front end surface of the horizontal telescopic column 58 is located outside the side surface of the adjustment platform 51 and is connected to a turntable mechanism 41. The turntable mechanism 41 is coaxially distributed with the horizontal telescopic column 58 and is connected to the rear end surface of a telescopic driving rod 52. The axis of the telescopic driving rod 52 is parallel to the axis of the telescopic driving rod 58. The telescopic drive rod 52 is vertically distributed and intersected, and the telescopic drive rod 52 is rotated in the range of 0°-180° around the axis of the horizontal telescopic column 58 through the turntable mechanism 41. The front end surface of the telescopic drive rod 52 is connected to the electric positioning fixture 53 through the turntable mechanism 41. The telescopic drive rod 52 and the electric positioning fixture 53 are coaxially distributed. At the same time, the electric positioning fixture 53 is rotated in the range of 0°-360° around the axis of the telescopic drive rod 52 through the turntable mechanism 41. At the same time, an inclination sensor 4 is arranged on the outer side of the electric positioning fixture 53. 67, the tension sensor 57 is connected to the upper end surface of the adjusting platform 51 and is located at the center of the adjusting platform 51. At the same time, the tension sensor 57 is connected to the telescopic driving rod 52 through the spring 54, and the spring 54 is coaxially distributed with the tension sensor 57 and perpendicular to the axis of the telescopic driving rod 52. The telescopic driving rod 52, the electric positioning fixture 53, the turntable mechanism 41, the drainage fan 55, the inclination sensor 467, the tension sensor 57, and the horizontal telescopic column 58 are all electrically connected to the driving circuit 7.

[0025] The telescopic driving rod is set and the working position of the electric positioning fixture in the direction perpendicular to the axis of the supporting platform can be flexibly adjusted. The horizontal telescopic column can flexibly adjust the distance between the two electric positioning fixtures. That is, after the pipeline is positioned by the two positioning fixtures, the tension of the pipeline at the local position to be cut is adjusted by increasing the distance between the two electric positioning fixtures to prevent deformation of the pipeline caused by the cutting force. The tension is detected by the set tension sensor.

[0026] At the same time, the turntable structure can flexibly adjust the relative angle between the two electric positioning fixtures to meet the needs of processing operations at different tilt angles.

[0027] In addition, the telescopic drive rod is driven by the turntable structure to rotate within the range of 0° to 180°. Additionally, for some short pipe fittings, they can be directly clamped and positioned by the positioning fixture for cutting operations, reducing the operation of the pipe winding and unwinding mechanism, further improving the cutting efficiency and reducing the equipment operation cost.

[0028] Further optimized, both the telescopic drive rod 52 and the horizontal telescopic column 58 are at least two-stage electric telescopic rod structures.

[0029] In this embodiment, a guiding groove 8 is provided on both the front end face and the rear end face of the bearing platform 1 corresponding to the pipe winding and unwinding mechanism 6. The guiding groove 8 has a "U"-shaped cross-section and is perpendicular to the axis of the bearing platform 1. The pipe winding and unwinding mechanism 6 is embedded in the guiding groove 8 and is connected to the bearing platform 1 through the guiding groove 8.

[0030] Specifically, the pipe winding and unwinding mechanism 6 includes guiding slide rails 61, a lifting drive mechanism 463, a bearing tray 62, a winder 63, a constant torque motor 64, a swing arm 65, and a torque sensor 66. Among them, there are two guiding slide rails 61 in total, symmetrically distributed on the inner side surface of the guiding groove 8 and parallel to the axis of the guiding groove 8. The bearing tray 62 is a plate-like structure with a rectangular cross-section. Its side surface is slidably connected to the guiding slide rail 61 through the lifting drive mechanism 463, and the lifting drive mechanism 463 is embedded in the guiding slide rail 61. The upper end face of the bearing tray 62 is parallel to the upper end face of the bearing platform 1, and a winder 63 is provided. The axis of the winder 63 is perpendicular to and intersects with the axis of the bearing platform 1, and is hinged to the upper end face of the bearing tray 62 through 1 to 2 swing arms 65. The axis of the swing arm 65 forms an angle of 0° to 90° with the upper end face of the bearing tray 62, and its lower end face is hinged to the upper end face of the bearing tray 62 through the constant torque motor 64. At the same time, a torque sensor 66 is provided at the constant torque motor 64. The lifting drive mechanism 463, the winder 63, the constant torque motor 64, and the torque sensor 66 are all electrically connected to the drive circuit 7.

[0031] In this embodiment, the drive circuit 7 is a circuit system based on a programmable controller, and at the same time, a control interface including but not limited to any one or several of a display, a button, and a potentiometer is additionally provided.

[0032] A cutting method for a pipe fixed-length intelligent cutting device for automobile parts processing includes the following steps: S1, Equipment pre-treatment. First, the pipe equipment to be cut is assisted in bearing and positioning through the pipe winding and unwinding mechanism on one side of the bearing platform. At the same time, the cutting mechanism is driven to pre-run and standby according to the material of the pipe to be cut. S2, cutting adjustment, first the driving pipe retracting and releasing mechanism at the front end of the carrier platform is operated, driving the pipe to be cut to run at a uniform speed along the axis of the carrier platform toward the rear end of the carrier platform, and the pipe retracting and releasing mechanism at the rear end of the carrier platform receives the pipe; then the heavy-duty driving guide rail is driven to operate, and the heavy-duty driving guide rail adjusts the working position of the cutting mechanism and the positioning fixture through the slider, and then the positioning fixture clamps the pipe and positions it, and adjusts the local pipe distribution direction and structure at the pipe cutting part, thereby adjusting the cutting angle; S3, cutting operation, after completing the partial clamping and positioning of the pipeline, the cutting mechanism is driven to operate, on the one hand, the working height and angle of the cutter head in the cutting mechanism are adjusted, and on the other hand, the rotation speed and temperature of the circular knife are adjusted. After the cutting mechanism reaches the set parameters, the cutting mechanism performs a cutting operation on the pipeline, and after the cutting operation is completed, the circular knife of the cutting mechanism is reset with the cutter head. At the same time, the positioning fixture releases a section of the pipeline after the cutting operation is completed, and the pipeline retracting mechanism at the rear end of the carrier platform collects it; then the positioning fixture releases the pipeline to be cut, and the pipeline retracting mechanism at the front end of the carrier platform drives the pipeline to continue to be transported, and the pipeline retracting mechanism at the rear end of the carrier platform performs auxiliary clamping and positioning again, and then the pipeline retracting mechanism at the rear end of the carrier platform performs auxiliary clamping and positioning again, and then the pipeline can be returned to step S2 for subsequent cutting operations.

[0033] Compared with the prior art, the present invention has a high degree of integration, modularization and automation. On the one hand, it can effectively meet the needs of pipeline cutting operations of various materials, pipe diameters and structural types, thereby effectively improving the flexibility and reliability of the cutting operation; on the other hand, the cutting operation has high control accuracy, which can effectively improve the stability of pipeline cutting and shaping quality, processing accuracy and work efficiency.

[0034] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A pipe fixed-length intelligent cutting device for automobile parts processing, characterized in that: The fixed-length intelligent cutting device for pipes used for processing automobile parts includes a bearing platform, a heavy-loaded driving guide rail, a slide, a cutting mechanism, a positioning fixture, a pipe retracting and releasing mechanism and a driving circuit. The bearing platform is a frame structure with a rectangular cross-section, and its axis is parallel to the horizontal plane. Two heavy-loaded driving guide rails are arranged on the bearing platform, which are parallel to each other, and the two heavy-loaded driving guide rails are symmetrically distributed on both sides of the axis of the bearing platform and parallel to the axis of the bearing platform. The heavy-loaded driving guide rails are respectively slidably connected to at least one slide, wherein the slide located on the rear side of the bearing platform is connected to the cutting mechanism, and the slide located on the front side of the bearing platform is connected to the positioning fixture, and the cutting mechanism and the positioning fixture are slidably connected to the upper end surface of the bearing platform through the heavy-loaded driving guide rail and the slide. There are two pipe retracting and releasing mechanisms, which are symmetrically distributed outside the front end surface and the rear end surface of the bearing platform and connected to the outer side surface of the bearing platform. The driving circuit is located in the bearing platform and is electrically connected to the heavy-loaded driving guide rail, the cutting mechanism, the positioning fixture and the pipe retracting and releasing mechanism respectively.

2. The intelligent pipe-to-length cutting device for automobile parts processing according to claim 1 is characterized in that: The cutting mechanism includes a turntable mechanism, a robotic arm, a cutting motor, a circular knife, an electromagnetic induction coil, and a cutter disc frame. The lower end face of the robotic arm is hinged to the upper end face of the adjustment table through the turntable mechanism, and the front end face of the robotic arm is hinged to a cutter disc frame through the turntable mechanism. The cutter disc frame is a circular cavity structure, the circular knife is embedded in the cutter disc frame, and the circular knife and the cutter disc frame are coaxially distributed, and the diameter of the cutter disc frame is 30% to 60% of the diameter of the circular knife. The circular knife is connected to the cutting motor through a transmission shaft and is coaxially distributed, and the magnetic induction coil is embedded in the cutter disc frame, at least two of them are symmetrically distributed on both sides of the circular knife, and at the same time, the two electromagnetic induction coils are annular structures coaxially distributed with the circular knife, and are respectively connected to the inner side surfaces of the cutter disc frame on both sides of the circular knife. The turntable mechanism, the robotic arm, the cutting motor, the electromagnetic induction coil, and the cutter disc frame are all electrically connected to the drive circuit.

3. The intelligent pipe-to-length cutting device for automobile parts processing according to claim 2 is characterized in that: The cutter disc frame includes a cutter disc, a positioning frame, a lifting drive mechanism, a pressure sensor, a temperature sensor, a laser rangefinder, and an inclination sensor, wherein the positioning frame is an "H"-shaped frame structure in cross section, and the groove body on the rear end face thereof is hinged to the front end face of the mechanical arm through a turntable mechanism, the cutter disc is embedded in the groove body on the front end face of the positioning frame, and is slidably connected to the inner side face of the positioning frame through the lifting drive mechanism, and the axis of the lifting drive mechanism is parallel to the axis of the positioning frame, the cutter disc includes a left disc and a right disc, the left disc and the right disc are connected by a transmission shaft and are coaxially distributed, the circular knife is located between the left disc and the right disc, and is connected to the left disc and the right disc. The drive shaft is connected, and the electromagnetic induction coil is respectively connected to the inner sides of the left and right discs through hard high-temperature resistant insulating blocks. The temperature sensor and laser rangefinder are both embedded in the lower end surface of the cutter disc, and the detection axis of the optical rangefinder is parallel to the axis of the positioning frame, and is vertically distributed and intersected with the circular knife axis. There are two pressure sensors, which are respectively located at the connection positions of the left and right discs of the cutter disc and the lifting drive mechanism. The inclination sensor is connected to the outer side of the positioning frame, and the lifting drive mechanism, pressure sensor, temperature sensor, laser rangefinder, and inclination sensor are all electrically connected to the drive circuit.

4. The intelligent pipe-to-length cutting device for automobile parts processing according to claim 1 is characterized in that: The positioning fixture includes an adjustment platform, a telescopic drive rod, an electric positioning fixture, a turntable mechanism, an air-drawing fan, an air guide pipe, an inclination sensor, a tension sensor, and a horizontal telescopic column, wherein the adjustment platform is a cavity structure with a rectangular cross-section, a backflow port is arranged on its front end face, and the axis of the backflow port is perpendicular to the axis of the bearing platform, the air-drawing fan is embedded in the adjustment platform and is coaxially arranged with the backflow port, an exhaust port is arranged on the rear end face of the adjustment platform, and is connected to the air guide pipe through the exhaust port, there are two horizontal telescopic columns, which are connected to the upper end face of the adjustment platform and are coaxially arranged, and the axes of the two horizontal telescopic columns are parallel to the axis of the bearing platform, the front end face of the horizontal telescopic column is located outside the side surface of the adjustment platform, and is connected to a turntable mechanism, the turntable mechanism is coaxially arranged with the horizontal telescopic column, and is connected to the rear end face of a telescopic drive rod, and the axis of the telescopic drive rod is perpendicular to the axis of the telescopic drive rod The telescopic drive rod is arranged and intersected, and the telescopic drive rod is rotated in the range of 0°~180° around the axis of the horizontal telescopic column through a turntable mechanism. The front end face of the telescopic drive rod is connected to the electric positioning fixture through a turntable mechanism. The telescopic drive rod and the electric positioning fixture are coaxially distributed. At the same time, the electric positioning fixture is rotated in the range of 0°~360° around the axis of the telescopic drive rod through a turntable mechanism. At the same time, an inclination sensor is arranged on the outer side of the electric positioning fixture, and the tension sensor is connected to the upper end face of the adjustment table and is located at the center of the adjustment table. At the same time, the tension sensor connecting section is respectively connected to the telescopic drive rod through a spring, and the spring is coaxially distributed with the tension sensor and is perpendicular to the axis of the telescopic drive rod. The telescopic drive rod, the electric positioning fixture, the turntable mechanism, the drainage fan, the inclination sensor, the tension sensor, and the horizontal telescopic column are all electrically connected to the drive circuit.

5. The intelligent pipe-to-length cutting device for automobile parts processing according to claim 4 is characterized in that: The telescopic driving rod and the horizontal telescopic column are both at least two-stage electric telescopic rod structures.

6. The intelligent pipe-to-length cutting device for automobile parts processing according to claim 1 is characterized in that: The front end face and the rear end face of the supporting platform corresponding to the pipeline retracting and releasing mechanism are both provided with a guide groove, which is vertically distributed with respect to the axis of the supporting platform. The pipeline retracting and releasing mechanism is embedded in the guide groove and connected with the supporting platform through the guide groove.

7. The intelligent pipe-to-length cutting device for automobile parts processing according to claims 1 and 6 is characterized in that: The pipeline retracting and releasing mechanism includes a guide slide rail, a lifting drive mechanism, a carrying tray, a winder, a constant torque motor, a swing arm and a torque sensor, wherein there are two guide slide rails in total, which are symmetrically distributed on the inner side of the guide groove and parallel to the axis of the guide groove. The carrying tray is a plate-like structure with a rectangular cross-section, and its side surface is slidably connected to the guide slide rail through a lifting drive mechanism, and the lifting drive mechanism is embedded in the guide slide rail. The upper end surface of the carrying tray is parallel to the upper end surface of the carrying platform, and a winder is provided. The axis of the winder is perpendicularly distributed and intersected with the axis of the carrying platform, and is hinged to the upper end surface of the carrying tray through 1 to 2 swing arms. The axis of the swing arm forms an angle of 0° to 90° with the upper end surface of the carrying tray, and its lower end surface is hinged to the upper end surface of the carrying tray through a constant torque motor. At the same time, a torque sensor is also provided at the constant torque motor, and the lifting drive mechanism, winder, constant torque motor and torque sensor are all electrically connected to the drive circuit.

8. The intelligent pipe-to-length cutting device for automobile parts processing according to claim 1 is characterized in that: The driving circuit is a circuit system based on a programmable controller, and is also provided with any one or several common control interfaces including but not limited to a display, a button, and a potentiometer.

9. The cutting method of the pipe fixed-length intelligent cutting device for automobile parts processing according to claim 1 is characterized in that: The cutting method comprises the following steps: S1, equipment pretreatment, firstly, the pipe equipment to be cut is assisted in carrying and positioning by the pipe retracting and releasing mechanism on one side of the carrying platform, and at the same time, the cutting mechanism is driven to pre-operate and standby according to the pipe material to be cut; S2, cutting adjustment, first the driving pipe retracting and releasing mechanism at the front end of the carrier platform is operated, driving the pipe to be cut to run at a uniform speed along the axis of the carrier platform toward the rear end of the carrier platform, and the pipe retracting and releasing mechanism at the rear end of the carrier platform receives the pipe; then the heavy-duty driving guide rail is driven to operate, and the heavy-duty driving guide rail adjusts the working position of the cutting mechanism and the positioning fixture through the slider, and then the positioning fixture clamps the pipe and positions it, and adjusts the local pipe distribution direction and structure at the pipe cutting part, thereby adjusting the cutting angle; S3, cutting operation, after completing the partial clamping and positioning of the pipeline, the cutting mechanism is driven to operate, on the one hand, the working height and angle of the cutter head in the cutting mechanism are adjusted, and on the other hand, the rotation speed and temperature of the circular knife are adjusted. After the cutting mechanism reaches the set parameters, the cutting mechanism performs a cutting operation on the pipeline, and after the cutting operation is completed, the circular knife of the cutting mechanism is reset with the cutter head. At the same time, the positioning fixture releases a section of the pipeline after the cutting operation is completed, and the pipeline retracting mechanism at the rear end of the carrier platform collects it; then the positioning fixture releases the pipeline to be cut, and the pipeline retracting mechanism at the front end of the carrier platform drives the pipeline to continue to be transported, and the pipeline retracting mechanism at the rear end of the carrier platform performs auxiliary clamping and positioning again, and then the pipeline retracting mechanism at the rear end of the carrier platform performs auxiliary clamping and positioning again, and then the pipeline can be returned to step S2 for subsequent cutting operations.

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