Material receiving apparatus for pipe cutting machine

Abstract

The utility model relates to the technical field of pipe processing, especially is used to the receiving equipment of pipe cutting machine, including feed assembly, blanking device, sensing device, material supporting subassembly and electric control device, the feed assembly includes frame, drive arrangement, multiple conveying frame and linkage device, and the discharge end of each conveying frame is equipped with the blocking piece, the receiving equipment for pipe cutting machine disclosed in the application realizes the process of pipe blanking, transfer through the cooperation of multiple blanking devices and feed assembly, reduces the manual participation step, reduces the labor intensity of worker, in addition, multiple material supporting subassemblies are arranged, when pipe is transferred to the blanking end of feed assembly, multiple material supporting subassemblies play the supporting role to pipe, ensure that pipe can also keep stable in the rear end of transportation, and lift pipe when pipe reaches the end of feed assembly, avoid affecting the operation of feed assembly, improve transportation efficiency, and pipe is suspended and facilitates blanking simultaneously.

Description

Technical Field

[0001] This utility model relates to the field of pipe processing technology, and in particular to a receiving device for a pipe cutting machine. Background Technology

[0002] With the development of laser cutting technology, laser cutting has been widely used in manufacturing, such as laser cutting of pipes. To reduce the labor intensity and improve the accuracy of manual material handling, existing laser pipe cutting machines are generally equipped with a receiving mechanism to assist in material handling, that is, transferring the processed pipes one by one to the unloading station. However, to prevent the pipes from falling out, the receiving mechanism usually has a blocking block at the discharge end to stop the pipes, which means that the pipes need to be removed from the receiving mechanism. To prevent the receiving mechanism from tipping over, its frame usually extends to the outer edge, which occupies the lower space and increases the difficulty of unloading.

[0003] It is evident that existing technologies still need improvement and enhancement. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a receiving device for a pipe cutting machine to solve the problem of difficult material feeding caused by space limitations in the existing receiving mechanism.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: The receiving equipment for the pipe cutting machine includes: The material conveying assembly includes a frame, a drive unit, multiple conveyor frames, and a linkage device. The multiple conveyor frames are arranged sequentially on the top of the frame. The drive unit is fixed to the frame. The multiple conveyor frames are all connected to the linkage device. The linkage device is connected to the output end of the drive unit. Each conveyor frame has a blocking component at its discharge end. A feeding device, comprising multiple feeding devices arranged sequentially on one side of the feeding end of the conveying assembly; The sensing device includes multiple sensing devices, each of which is respectively located on one side of the discharge end of the multiple conveyor frames; The material support assembly includes multiple material support assemblies, which are arranged sequentially on the side of the frame away from the unloading device, and each material support assembly is disposed between two adjacent conveyor frames; An electrical control device is mounted on the frame, and the material conveying assembly, multiple feeding devices, multiple sensing devices, and multiple material supporting assemblies are all electrically connected to the electrical control device. As described above, the receiving equipment for a pipe cutting machine includes, for each of the following material support components, a fixed base, a lifting base, a support inclined plate, an angle adjustment device, a stop device, and a material support frame. The fixed base is located on the side of the frame away from the feeding device. The material support frame is located on the side of the fixed base facing away from the feeding device. The lifting base is located on the side of the fixed base facing away from the material support frame. One end of the support inclined plate is hinged to the top of the lifting base. Both ends of the angle adjustment device are connected to the lifting base and the support inclined plate, respectively. The stop device is located on the support inclined plate.

[0006] As described above, the receiving device for a pipe cutting machine includes a lifting base comprising a vertical plate, two guide rails, four sliding blocks, a rack, a lifting motor, and a gear. The two guide rails are arranged adjacent to each other on the fixed base, and two sliding blocks are slidably arranged on each guide rail. The vertical plate is mounted on the four sliding blocks. The rack is fixed to the fixed base and is located between the two guide rails. The lifting motor is mounted on the vertical plate, and the gear is connected to the output end of the lifting motor. The gear and the rack are meshed together.

[0007] As described above, the receiving device for a pipe cutting machine includes a plurality of guide cylinders, a plurality of stop rods, a connecting rod, and two push cylinders. The plurality of guide cylinders are arranged sequentially at the bottom of the supporting inclined plate. The supporting inclined plate is provided with a plurality of connecting holes, each of which corresponds to and communicates with one of the plurality of guide cylinders. The plurality of stop rods correspond to and slide with one of the plurality of guide cylinders. The ends of the plurality of stop rods away from the supporting inclined plate are all connected to the connecting rod. The two push cylinders are arranged adjacent to each other, and both ends of each push cylinder are connected to the supporting inclined plate and the connecting rod.

[0008] As described above, the receiving device for a pipe cutting machine includes a material support frame comprising a material support hook, two rotating columns, two retaining rings, and two stop columns. The two rotating columns are respectively located on both sides of the top end of the material support hook and are respectively inserted through both sides of the fixed base. Each rotating column is connected to the fixed base via the retaining rings. The two stop columns are respectively located on both sides of the bottom end of the material support hook.

[0009] As described above, the receiving device for a pipe cutting machine includes each conveyor frame comprising a frame body, a third sprocket, a fourth sprocket, and a conveying chain. The frame body is mounted on the machine frame. The third sprocket and the fourth sprocket are rotatably mounted at both ends of the frame body. The conveying chain is sleeved on the third sprocket and the fourth sprocket. The linkage device includes multiple linkage components. The two ends of each linkage component are connected to two adjacent conveyor frames. Each linkage component includes a first universal joint coupling, a second universal joint coupling, and a rotating shaft. The first universal joint coupling and the second universal joint coupling are respectively mounted at both ends of the rotating shaft. The first universal joint coupling is connected to the third sprocket of any conveyor frame, and the second universal joint coupling is connected to the third sprocket of an adjacent conveyor frame.

[0010] As described above, the receiving device for a pipe cutting machine includes a support, a drive motor, a first sprocket, a second sprocket, a connecting rod, and a transmission chain. The two ends of the connecting rod are respectively connected to any of the linkage components and the third sprocket adjacent to the linkage component. The support is mounted on the frame, the drive motor is fixed to the support, the first sprocket is connected to the output end of the drive motor, the second sprocket is sleeved on the connecting rod, and the transmission chain is sleeved on the first sprocket and the second sprocket.

[0011] As described above, in the receiving equipment for a pipe cutting machine, each of the sensing devices includes a contact plate, a sensor, and a reset assembly. The sensor is disposed on any of the conveyor frames, and the contact plate is connected to the sensor via the reset assembly.

[0012] Beneficial effects: This utility model discloses a receiving device for a pipe cutting machine, comprising a conveying assembly, a feeding device, a sensing device, a supporting assembly, and an electrical control device. The conveying assembly includes a frame, a drive device, multiple conveyor frames, and a linkage device. Each conveyor frame has a blocking component at its discharge end, controlled by the electrical control device. The multiple feeding devices convey the pipes cut by the pipe cutting machine to the feeding end of the conveying assembly. The drive device transmits power synchronously to the multiple conveyor frames through the linkage device, enabling the multiple conveyor frames to operate synchronously to convey the pipes. After the pipes are conveyed to the discharge end of the conveying assembly, the pipes press against the multiple sensing devices, generating a trigger signal that is transmitted to the electrical control device, and the drive device stops. During operation, multiple material support components rise synchronously and lift the pipe from the conveying component, suspending the pipe in mid-air to create a free-fall position, facilitating pipe unloading. The receiving device for the pipe cutting machine disclosed in this application, through the cooperation of multiple unloading devices and the conveying component, realizes the process of pipe unloading and transfer, reducing manual intervention steps and lowering the labor intensity of workers. In addition, by setting multiple material support components, when the pipe is transferred to the unloading end of the conveying component, the multiple material support components support the pipe, ensuring that the pipe remains stable at the rear end of the transport, and lifting the pipe when it reaches the end of the conveying component, avoiding affecting the operation of the conveying component, improving transport efficiency, and at the same time, suspending the pipe facilitates unloading. Attached Figure Description

[0013] Figure 1 A schematic diagram of the receiving device provided by this utility model; Figure 2 Another structural schematic diagram of the receiving device provided by this utility model; Figure 3 A schematic diagram of the material support assembly provided by this utility model; Figure 4 Exploded view of the material support assembly provided by this utility model; Figure 5 An exploded view of the material support assembly provided by this utility model from another angle; Figure 6 A schematic diagram of the sensing device provided by this utility model; Figure 7 for Figure 1 Enlarged view of part A; Reference numerals: 1-Frame, 2-Drive unit, 21-Support, 22-Drive motor, 23-Second sprocket, 24-Connecting rod, 25-Transmission chain, 3-Conveyor frame, 31-Frame body, 32-Third sprocket, 33-Fourth sprocket, 34-Material conveyor chain, 4-Linkage device, 41-First universal joint coupling, 42-Second universal joint coupling, 43-Rotating shaft, 5-Discharging device, 6-Sensing device, 61-Abutting plate, 62-Sensor, 63-Reset assembly 7-Material support assembly, 71-Fixed seat, 72-Lifting seat, 721-Upright plate, 722-Guide rail, 723-Sliding block, 724-Rack, 725-Lifting motor, 726-Gear, 73-Supporting inclined plate, 74-Inclination adjustment device, 75-Stop device, 751-Guide cylinder, 752-Stop rod, 753-Connecting rod, 754-Push cylinder, 76-Material support frame, 761-Material support hook, 762-Rotating column, 763-Stop column, 77-Connecting hole. Detailed Implementation

[0014] This utility model provides a receiving device for a pipe cutting machine. To make the purpose, technical solution and effects of this utility model clearer and more explicit, the following describes this utility model in further detail with reference to the accompanying drawings and examples.

[0015] In the description of this utility model, it should be understood that the terms "top" and other terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and should not be construed as limiting this utility model; in addition, the terms "installation" and "connection" should be interpreted broadly, and those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0016] like Figure 1-7 As shown in the embodiment of this application, a receiving device for a pipe cutting machine is proposed, comprising: The material conveying assembly includes a frame 1, a drive device 2, multiple conveyor frames 3, and a linkage device 4. The multiple conveyor frames 3 are arranged sequentially on the top of the frame 1. The drive device 2 is fixed on the frame 1. The multiple conveyor frames 3 are all connected to the linkage device 4. The linkage device 4 is connected to the output end of the drive device 2. Each conveyor frame 3 has a blocking component at its discharge end. The feeding device 5 includes multiple feeding devices 5, which are arranged sequentially on one side of the feeding end of the conveying assembly; The sensing device 6 includes multiple sensing devices 6, each of which is respectively disposed on one side of the discharge end of the multiple conveying frames 3. Material support assembly 7, the material support assembly 7 includes multiple material support assemblies 7 arranged sequentially on the side of the frame 1 away from the unloading device 5, and each material support assembly 7 is disposed between two adjacent conveyor frames 3; An electrical control device is mounted on the frame 1. The material conveying assembly, the plurality of feeding devices 5, the plurality of sensing devices 6, and the plurality of material supporting assemblies 7 are all electrically connected to the electrical control device.

[0017] This utility model discloses a material receiving device for a pipe cutting machine, comprising a material conveying assembly, a feeding device 5, a sensing device 6, a material supporting assembly 7, and an electrical control device 8. The material conveying assembly includes a frame 1, a drive device 2, multiple conveyor frames 3, and a linkage device 4. Each conveyor frame 3 has a blocking component at its discharge end, controlled by the electrical control device. The multiple feeding devices 5 convey the pipes cut by the pipe cutting machine to the feeding end of the material conveying assembly. The drive device 2 transmits power synchronously to the multiple conveyor frames 3 through the linkage device 4, enabling the multiple conveyor frames 3 to operate synchronously to convey the pipes. After the pipes are conveyed to the discharge end of the material conveying assembly, the pipes press against the multiple sensing devices 6, generating trigger signals that are transmitted to the electrical control device 8. When the actuator 2 stops operating, multiple material support components 7 rise synchronously and lift the pipe from the conveying component, suspending the pipe in the air to create a free-fall position, facilitating pipe unloading. The receiving device for the pipe cutting machine disclosed in this application, through the cooperation of multiple unloading devices 5 and the conveying component, realizes the process of pipe unloading and transfer, reducing manual intervention steps and lowering the labor intensity of workers. In addition, by setting multiple material support components 7, when the pipe is transferred to the unloading end of the conveying component, the multiple material support components 7 provide support for the pipe, ensuring that the pipe remains stable at the rear end of the transport, and lifting the pipe when it reaches the end of the conveying component, avoiding affecting the operation of the conveying component, improving transport efficiency, and suspending the pipe for easy unloading.

[0018] Each of the aforementioned material support assemblies 7 includes a fixed base 71, a lifting base 72, a supporting inclined plate 73, an angle adjustment device 74, a stop device 75, and a material support frame 76. The fixed base 71 is located on the side of the frame 1 away from the feeding device 5. The material support frame 76 is located on the side of the fixed base 71 facing away from the feeding device 5. The lifting base 72 is located on the side of the fixed base 71 facing away from the material support frame 76. One end of the supporting inclined plate 73 is hinged to the top of the lifting base 72. Both ends of the angle adjustment device 74 are connected to the lifting base 72 and the supporting inclined plate 73, respectively. The stop device 75 is located on the supporting inclined plate 73. The fixed base 71... 1. As a basic support, the tilt adjustment device 74 adjusts the tilt angle of the supporting inclined plate 73, and works with the stop device 75 to form the placement position of the pipe. The lifting seat 72 drives the supporting inclined plate 73 to rise to lift the pipe. After the stop device 75 is released from locking, the pipe slides down the supporting inclined plate 73 onto the material support frame 76. The material support frame 76 can temporarily place the pipe. The tilt adjustment device 74 adjusts the tilt angle of the supporting inclined plate 73 to adapt to different pipes. For pipes with smooth surfaces, the tilt angle can be appropriately reduced to prevent the pipe from sliding too fast; for heavier pipes, the tilt angle can be appropriately increased to use gravity to assist the pipe in sliding.

[0019] The lifting platform 72 includes a vertical plate 721, two guide rails 722, four sliding blocks 723, a rack 724, a lifting motor 725, and a gear 726. The two guide rails 722 are adjacent to each other on the fixed base 71. Two sliding blocks 723 are slidably mounted on each guide rail 722. The vertical plate 721 is supported on the four sliding blocks 723. The rack 724 is fixed to the fixed base 71 and is located between the two guide rails 722. The lifting motor 725 is located on the vertical plate 721. 1. The gear 726 is connected to the output end of the lifting motor 725. The gear 726 and the rack 724 are meshed together. The lifting motor 725 drives the gear 726 to rotate. Due to the meshing of the gear 726 and the rack 724, the rotation of the gear 726 is converted into linear motion along the rack 724. The four sliding blocks 723 and the two guide rails 722 cooperate to play a guiding role, ensuring that the upright plate 721 rises and falls smoothly and reducing the shaking during the pipe lifting process.

[0020] The stopping device 75 includes multiple guide cylinders 751, multiple stop rods 752, connecting rods 753, and two push cylinders 754. The multiple guide cylinders 751 are arranged sequentially at the bottom of the supporting inclined plate 73. The supporting inclined plate 73 is provided with multiple connecting holes 77, each corresponding to and communicating with one of the multiple guide cylinders 751. The multiple stop rods 752 correspond to and slide with one of the multiple guide cylinders 751. The ends of the multiple stop rods 752 away from the supporting inclined plate 73 are connected to the connecting cylinders 754. The rod 753 is connected, and the two push cylinders 754 are arranged adjacent to each other. Both ends of each push cylinder 754 are connected to the supporting inclined plate 73 and the connecting rod 753. The two push cylinders 754 drive the connecting rod 753 to move. The connecting rod 753 simultaneously drives multiple stop rods 752 to move in the corresponding guide cylinders 751. The top end of the stop rod 752 passes through the connecting hole 77 and extends out of the surface of the supporting inclined plate 73, thereby preventing the pipe from sliding on the supporting inclined plate 73. The structure is simple and the response is fast.

[0021] The material support frame 76 includes a material support hook 761, two rotating posts 762, two retaining springs, and two stop posts 763. The two rotating posts 762 are respectively located on both sides of the top end of the material support hook 761 and pass through both sides of the fixed frame. Each rotating post 762 is connected to the fixed base 71 via a retaining spring. The two stop posts 763 are respectively located on both sides of the bottom end of the material support hook 761. When the pipe is on the supporting inclined plate 73, the material support hook 761 is lifted upwards by the elastic force of the retaining springs, releasing the stop device 75. Due to the restriction, the pipe slides off the supporting inclined plate 73 and falls to the inside of the material support hook 761. The material support hook 761 flips downwards, and when the two stop pins 763 press against the two sides of the fixed base 71 respectively, they block the rotation of the material support hook 761, preventing the material support hook 761 from rotating excessively and ensuring that the pipe is suspended. At the same time, the retaining spring is always taut during the rotation of the material support hook 761, providing a buffer for the rotation of the material support hook 761, slowing down the rotation speed and reducing the swaying of the pipe.

[0022] Each conveyor frame 3 includes a frame body 31, a third sprocket 32, a fourth sprocket 33, and a conveying chain 34. The frame body 31 is mounted on the machine frame 1. The third sprocket 32 ​​and the fourth sprocket 33 are rotatably mounted at both ends of the frame body 31. The conveying chain 34 is sleeved on the third sprocket 32 ​​and the fourth sprocket 33. The linkage device 4 includes multiple linkage components. The two ends of each linkage component are respectively connected to two adjacent conveyor frames 3. Each linkage component includes a first universal joint coupling 41, a second universal joint coupling 42, and a rotating shaft 43. The first universal joint coupling 41 and the second universal joint coupling 42 are respectively mounted at both ends of the rotating shaft 43. The first universal joint coupling 41 is connected to the third sprocket 32 ​​of any conveyor frame 3, and the second universal joint coupling 42 is connected to the third sprocket 32 ​​of the adjacent conveyor frame 3. The drive device 2 includes... The assembly includes a bracket 21, a drive motor 22, a first sprocket, a second sprocket 23, a connecting rod 24, and a transmission chain 25. Both ends of the connecting rod 24 are connected to any of the aforementioned linkage components and the third sprocket 32 ​​adjacent to that linkage component. The bracket 21 is mounted on the frame 1, and the drive motor 22 is fixed to the bracket 21. The first sprocket is connected to the output end of the drive motor 22. The second sprocket 23 is sleeved on the connecting rod 24, and the transmission chain 25 is sleeved on the first sprocket and the second sprocket 23. The drive motor 22 drives the first sprocket to rotate, and through the transmission of the second sprocket 23, the connecting rod 24, and the transmission chain 25, provides rotational power to any of the third sprockets 32. The fourth sprocket 33 and the conveying chain 34 rotate synchronously to convey the pipe material, and through the linkage components, drive multiple conveying frames 3 to operate synchronously, transferring the pipe material horizontally.

[0023] Each of the aforementioned sensing devices 6 includes an abutment plate 61, a sensor 62, and a reset assembly 63. The sensor 62 is mounted on any of the aforementioned conveying frames 3. The abutment plate 61 is connected to the sensor 62 via the reset assembly 63. The sensor 62 includes a limit switch. The reset assembly 63 employs a common spring reset mechanism or a torsion spring reset mechanism. The pipe presses the abutment plate 61 to rotate, triggering the sensor 62 and controlling the start and stop of the drive device 2 and the material support assembly 7. This ensures that the pipe is lifted after being conveyed to the set position, thus ensuring the accuracy of the pipe conveying.

[0024] In addition, the feeding device 5 includes a support base, a lifting frame, a support plate, a push cylinder, two grooves, four bearing seats, and two rollers. The lifting frame is mounted on the support base. One end of the support plate is hinged to the top of the lifting frame. The two ends of the push cylinder are respectively hinged to the lifting frame and the support plate. The two grooves are adjacent to each other on the support plate. Each groove has a bearing seat at both ends. The two ends of each roller are rotatably connected to the two bearing seats. When the pipe moves laterally on the feeding device 5, the two rollers convert the sliding friction between them into rolling friction, reducing the wear on the surface of the pipe. Then, the push cylinder drives the support plate to tilt, and the pipe slides down the surface of the support plate onto the conveying assembly.

[0025] In this embodiment of the application, the tilt adjustment device 74 includes a cylinder, and the cylinder, the push cylinder and the push cylinder are all connected to an external air source; the electronic control device includes an STM32 system.

[0026] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of this utility model, and all such substitutions or changes should fall within the protection scope of this utility model.

Claims

1. A receiving device for a pipe cutting machine, characterized in that, include: The material conveying assembly includes a frame (1), a drive device (2), multiple conveyor frames (3) and a linkage device (4). The multiple conveyor frames (3) are arranged sequentially on the top of the frame (1). The drive device (2) is fixed on the frame (1). The multiple conveyor frames (3) are all connected to the linkage device (4). The linkage device (4) is connected to the output end of the drive device (2). Each conveyor frame (3) has a blocking component at its discharge end. The feeding device (5) includes multiple feeding devices (5), which are arranged sequentially on one side of the feeding end of the conveying assembly; The sensing device (6) includes multiple sensing devices (6), and each of the multiple sensing devices (6) is respectively located on one side of the discharge end of the multiple conveyor frames (3); Material support assembly (7), the material support assembly (7) includes multiple, the multiple material support assemblies (7) are arranged sequentially on the side of the frame (1) away from the unloading device (5), and each material support assembly (7) is located between two adjacent conveyor frames (3); An electrical control device is mounted on the frame (1). The material conveying assembly, multiple feeding devices (5), multiple sensing devices (6) and multiple material supporting assemblies (7) are all electrically connected to the electrical control device.

2. The receiving device for a pipe cutting machine according to claim 1, characterized in that, Each of the material support components (7) includes a fixed seat (71), a lifting seat (72), a supporting inclined plate (73), an angle adjustment device (74), a stop device (75), and a material support frame (76). The fixed seat (71) is located on the side of the frame (1) away from the feeding device (5). The material support frame (76) is located on the side of the fixed seat (71) facing away from the feeding device (5). The lifting seat (72) is located on the side of the fixed seat (71) facing away from the material support frame (76). One end of the supporting inclined plate (73) is hinged to the top of the lifting seat (72). Both ends of the angle adjustment device (74) are connected to the lifting seat (72) and the supporting inclined plate (73) respectively. The stop device (75) is located on the supporting inclined plate (73).

3. The receiving device for a pipe cutting machine according to claim 2, characterized in that, The lifting seat (72) includes a vertical plate (721), two guide rails (722), four sliding blocks (723), a rack (724), a lifting motor (725), and a gear (726). The two guide rails (722) are arranged adjacently on the fixed seat (71). Two sliding blocks (723) are slidably arranged on each guide rail (722). The vertical plate (721) is mounted on the four sliding blocks (723). The rack (724) is fixed on the fixed seat (71) and is located between the two guide rails (722). The lifting motor (725) is located on the vertical plate (721). The gear (726) is connected to the output end of the lifting motor (725). The gear (726) and the rack (724) are meshed together.

4. The receiving device for a pipe cutting machine according to claim 2, characterized in that, The stopping device (75) includes multiple guide cylinders (751), multiple stop rods (752), connecting rods (753), and two push cylinders (754). The multiple guide cylinders (751) are arranged sequentially at the bottom of the supporting inclined plate (73). The supporting inclined plate (73) is provided with multiple connecting holes (77). The multiple connecting holes (77) correspond one-to-one with the multiple guide cylinders (751) and are interconnected. The multiple stop rods (752) correspond one-to-one with the multiple guide cylinders (751) and are slidably engaged. The end of the multiple stop rods (752) away from the supporting inclined plate (73) is connected to the connecting rod (753). The two push cylinders (754) are arranged adjacent to each other. Both ends of each push cylinder (754) are connected to the supporting inclined plate (73) and the connecting rod (753).

5. The receiving device for a pipe cutting machine according to claim 2, characterized in that, The material support frame (76) includes a material support hook (761), two rotating columns (762), two snap rings, and two stop columns (763). The two rotating columns (762) are respectively located on both sides of the top of the material support hook (761). The two rotating columns (762) are respectively inserted through both sides of the fixed base (71). Each rotating column (762) is connected to the fixed base (71) through the snap ring. The two stop columns (763) are respectively located on both sides of the bottom end of the material support hook (761).

6. The receiving device for a pipe cutting machine according to claim 1, characterized in that, Each of the conveyor frames (3) includes a frame body (31), a third sprocket (32), a fourth sprocket (33), and a conveying chain (34). The frame body (31) is mounted on the machine frame (1). The third sprocket (32) and the fourth sprocket (33) are rotatably mounted at both ends of the frame body (31). The conveying chain (34) is sleeved on the third sprocket (32) and the fourth sprocket (33). The linkage device (4) includes multiple linkage components. The two ends of each linkage component are respectively connected to the adjacent... The two conveyor frames (3) are connected. Each of the linkage components includes a first universal joint coupling (41), a second universal joint coupling (42), and a rotating shaft (43). The first universal joint coupling (41) and the second universal joint coupling (42) are respectively located at both ends of the rotating shaft (43). The first universal joint coupling (41) is connected to the third sprocket (32) of any of the conveyor frames (3), and the second universal joint coupling (42) is connected to the third sprocket (32) of the adjacent conveyor frame (3).

7. The receiving device for a pipe cutting machine according to claim 6, characterized in that, The drive device (2) includes a bracket (21), a drive motor (22), a first sprocket, a second sprocket (23), a connecting rod (24), and a transmission chain (25). The two ends of the connecting rod (24) are respectively connected to any of the linkage components and the third sprocket (32) adjacent to the linkage component. The bracket (21) is mounted on the frame (1). The drive motor (22) is fixed on the bracket (21). The first sprocket is connected to the output end of the drive motor (22). The second sprocket (23) is sleeved on the connecting rod (24). The transmission chain (25) is sleeved on the first sprocket and the second sprocket (23).

8. The receiving device for a pipe cutting machine according to claim 1, characterized in that, Each of the sensing devices (6) includes an abutment plate (61), a sensor (62) and a reset assembly (63). The sensor (62) is disposed on any of the conveyor frames (3), and the abutment plate (61) is connected to the sensor (62) through the reset assembly (63).

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