A short material receiving assembly

Abstract

The present application relates to pipe production and processing equipment technical field, especially short material receiving assembly, it includes underframe, lifting mechanism, lifting drive mechanism, receiving flap, turnover drive mechanism and multiple support rollers, lifting mechanism is located on the underframe, is driven to realize vertical lifting by lifting drive mechanism, receiving flap one end is hinged with the top of lifting mechanism, turnover drive mechanism is located on the top of lifting mechanism and is hinged with the other end of receiving flap, when receiving, lifting mechanism rises to receiving position, pipe is transferred to support roller stably, reduces falling impact and surface scratch, when unloading, lifting mechanism falls, can be flexibly connected with downstream equipment of different height, turnover drive mechanism drives receiving flap to turn over upward, makes pipe slide to one side, realizes low impact receiving, flexible height docking and directional unloading of short pipe, avoids pipe damage, reduces labor intensity, and is suitable for heavy load and multiple diameter short material receiving scene.

Description

Technical Field

[0001] This invention relates to the field of pipe production and processing equipment technology, and in particular to a short material receiving assembly. Background Technology

[0002] In automated pipe cutting production lines, the cut short pipes need to be reliably received, temporarily stored, and orderly unloaded from the equipment outlet to enter the next process or collection area.

[0003] Currently, common processing methods rely on manual picking or setting up simple ramps or baskets below the discharge port. Manual methods are inefficient, labor-intensive, and pose safety hazards. Simple ramps or baskets cannot accommodate pipes of different diameters, and when the pipes are heavy, a direct fall can cause impact deformation or even damage to the pipes or equipment. Furthermore, this fixed-height receiving method makes it difficult to flexibly connect with downstream conveying equipment or collection devices at different heights, limiting the flexibility of the production line layout. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to solve at least one of the technical problems mentioned above.

[0005] The solution to the technical problem of this invention is: a short material receiving assembly for receiving pipes downstream of a cutting machine, comprising a base frame, a lifting mechanism, a lifting drive mechanism, a receiving flap, a flipping drive mechanism, and multiple support rollers. The lifting mechanism is mounted on the base frame, and the lifting drive mechanism is mounted on the base frame and drivenly connected to the lifting mechanism. The lifting drive mechanism drives the lifting mechanism to move vertically upwards and downwards. One end of the receiving flap is hinged to the top of the lifting mechanism, and the hinge axis between the receiving flap and the lifting mechanism is a first axis. The flipping drive mechanism is located at the top of the lifting mechanism, and the drive end of the flipping drive mechanism is hinged to the end of the receiving flap away from the first axis. A plurality of support rollers are rotatably arranged on the receiving flap, and the rotation axis of the support rollers is perpendicular to the first axis, so as to receive the pipe as the lifting mechanism rises to the receiving position. The flipping drive mechanism is used to drive the receiving flap to flip upward around the first axis when the receiving flap descends to the unloading position with the lifting mechanism, so that the pipe on the receiving flap slides away from the flipping drive mechanism.

[0006] As a further improvement to the above technical solution, the lifting mechanism includes a connecting frame and a first guide rail, a second guide rail, a first connecting shaft, a second connecting shaft, a third connecting shaft, and two sets of scissor arms disposed between the base frame and the connecting frame. The first guide rail is disposed on the top of the base frame and parallel to the first axis, the second guide rail is disposed on the bottom of the connecting frame and parallel to the first guide rail, the first connecting shaft is fixed on the base frame, the second connecting shaft is drively connected to the lifting drive mechanism, and the second connecting shaft is rotatably connected to the first guide rail via rollers disposed thereon, and the third connecting shaft is rotatably connected to the second guide rail via rollers disposed thereon. The scissor arms are connected by a rolling rail and arranged in parallel. Each set of scissor arms includes a first link, a second link, a third link, and a fourth link. One end of the first link is hinged to the first connecting shaft, and the other end of the first link is hinged to one end of the third link. The other end of the third link is hinged to the bottom of the connecting frame. The middle part of the second link is hinged to the middle part of the first link, and the middle part of the fourth link is hinged to the middle part of the third link. One end of the second link is hinged to the second connecting shaft, and the other end of the second link is hinged to one end of the fourth link. The other end of the fourth link is hinged to the third connecting shaft.

[0007] As a further improvement to the above technical solution, the lifting drive mechanism includes a drive motor, a drive sprocket, a driven sprocket, a transmission chain, and a connecting block. The drive motor is mounted on the base frame, the drive sprocket is mounted on the output end of the drive motor, the driven sprocket is rotatably mounted on the base frame, the connecting block is fixed on the second connecting shaft, and the two ends of the transmission chain are respectively fixed to the two ends of the connecting block along the extension direction of the first guide rail. The transmission chain is wound around the drive sprocket and the driven sprocket to form a closed loop. The drive motor is used to drive the transmission chain to reciprocate, so as to pull the second connecting shaft to reciprocate on the first guide rail through the connecting block.

[0008] As a further improvement to the above technical solution, a buffer assembly is also included. The buffer assembly includes four hydraulic buffers, all of which are disposed on the base frame and located below the four bottom corners of the connecting frame. The hydraulic buffers are used to abut against the bottom of the connecting frame when the lifting mechanism descends to the unloading position to provide flexible buffering.

[0009] As a further improvement to the above technical solution, the number of the support rollers is three, and the three support rollers are arranged at intervals along the first axis.

[0010] As a further improvement to the above technical solution, the receiving flap is provided with a baffle block. The baffle block is located on the side of the receiving flap close to the flipping drive mechanism. The baffle block is used to prevent the pipe from sliding towards the flipping drive mechanism when the receiving flap receives the pipe at the receiving position.

[0011] As a further improvement to the above technical solution, the receiving flap is provided with a guide block. The guide block is located on the side of the receiving flap away from the flipping drive mechanism. The guide block has an inclined guide surface. The inclined guide surface is inclined downward from the side close to the flipping drive mechanism to the side away from the flipping drive mechanism, so as to guide the pipe to slide away from the flipping drive mechanism when the receiving flap is tilted and flipped in the unloading position.

[0012] As a further improvement to the above technical solution, the flipping drive mechanism includes two cylinders. The cylinder bodies of the two cylinders are respectively arranged in parallel on the top of the lifting mechanism through hinge seats, and the telescopic rods of the two cylinders are respectively symmetrically hinged to the bottom of the receiving flip plate.

[0013] As a further improvement to the above technical solution, a positioning detection device is also included. The positioning detection device includes a sensor and a sensing plate that cooperates with the sensor to trigger the mechanism. The sensor is mounted on the base frame, and the sensing plate is mounted on the lifting mechanism to detect the lifting position of the lifting mechanism.

[0014] As a further improvement to the above technical solution, the positioning detection device also includes a mounting bracket fixed on the base frame. The mounting bracket has a movable groove on its plate surface. The sensor is adjustablely mounted in the movable groove by fasteners. By adjusting the position of the sensor in the movable groove, the relative triggering distance between the sensor and the sensing plate is changed, thereby adjusting the lifting limit stroke of the lifting mechanism.

[0015] The beneficial effects of this invention are as follows: the base frame provides a stable foundation for the entire equipment; the lifting mechanism carries the receiving flap for lifting and lowering, realizing the switching of receiving and unloading heights to adapt to changes in the discharge height of different cutting equipment or the interface height of downstream equipment; the lifting drive mechanism provides power for the lifting movement; the receiving flap, as a platform for carrying the pipe, has one end hinged to the lifting mechanism, providing a fulcrum for flipping and unloading; the flipping drive mechanism drives the receiving flap to complete the unloading action; the support rollers rise with the receiving flap to receive the pipe, and the pipe falling on the rollers reduces surface wear. By lifting the receiving flap to a height matching the discharge port of the cutting machine through the lifting mechanism, the pipe is smoothly received, avoiding direct impact from the falling pipe; after receiving, the receiving flap can carry the pipe down to a lower unloading height that is easy to operate or connect, and then the pipe is smoothly slid out through the flipping action, realizing a high-level receiving and low-level unloading workflow, protecting the pipe, improving operational safety, and enhancing the flexibility of connection with upstream and downstream equipment. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a short material receiving assembly according to one embodiment of the present invention.

[0017] Figure 2 This is a cross-sectional view of a short material receiving assembly according to one embodiment of the present invention.

[0018] Figure 3 This is a schematic diagram of the positioning detection device according to one embodiment of the present invention.

[0019] Reference numerals in the attached drawings: 100-base frame, 200-lifting mechanism, 210-connecting frame, 221-first guide rail, 222-second guide rail, 231-first connecting shaft, 232-second connecting shaft, 233-third connecting shaft, 240-scissor arm, 241-first link, 242-second link, 243-third link, 244-fourth link, 300-lifting drive mechanism, 310-drive motor, 3 20-Drive sprocket, 330-Driven sprocket, 340-Transmission chain, 350-Connecting block, 400-Receiving flap, 410-Blocking block, 420-Guide wedge, 421-Inclined guide surface, 500-Tilting drive mechanism, 510-Cylinder, 520-Hinge seat, 600-Support roller, 700-Hydraulic damper, 810-Sensor, 820-Induction plate, 830-Mounting bracket, 831-Moving slot. Detailed Implementation

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments have been briefly explained above. Obviously, the described drawings are only a part of the embodiments of the present invention, and not all of them. Those skilled in the art can obtain other design schemes and drawings based on these drawings without creative effort.

[0021] The following will clearly and completely describe the concept, specific structure, and technical effects of the present invention in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are all within the scope of protection of the present invention. Furthermore, all connections / linkages mentioned herein do not simply refer to direct connection of components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. The various technical features in this invention can be combined interactively without contradicting each other.

[0022] In automated pipe cutting production lines, the cut short pipes need to be reliably received, temporarily stored, and orderly unloaded. Currently, common manual picking methods are inefficient, labor-intensive, and pose safety hazards; simple ramps or baskets cannot accommodate pipes of different diameters, and heavy pipes are prone to impact deformation when dropped directly, even damaging the pipes or equipment; fixed-height receiving methods are also difficult to flexibly connect with downstream equipment at different heights.

[0023] Therefore, this invention proposes a short material receiving assembly for receiving pipes downstream of a cutting machine, as shown in the reference. Figures 1-3It includes a base frame 100, a lifting mechanism 200, a lifting drive mechanism 300, a receiving flap 400, a tilting drive mechanism 500, and multiple support rollers 600. The lifting mechanism 200 is mounted on the base frame 100, and the lifting drive mechanism 300 is mounted on the base frame 100 and is connected to the lifting mechanism 200 in a transmission manner. The lifting drive mechanism 300 is used to drive the lifting mechanism 200 to move vertically. One end of the receiving flap 400 is hinged to the top of the lifting mechanism 200, and the hinge axis between the receiving flap 400 and the lifting mechanism 200 is a first axis. The tilting drive mechanism 500 is mounted on the base frame 100. The top of the lowering mechanism 200 is hinged to the end of the receiving flap 400 away from the first axis, and a plurality of support rollers 600 are rotatably disposed on the receiving flap 400, and the rotation axis of the support rollers 600 is perpendicular to the first axis, so as to receive the pipe when the lifting mechanism 200 rises to the receiving position. The flipping drive mechanism 500 is used to drive the receiving flap 400 to flip upward around the first axis when the receiving flap 400 falls to the unloading position with the lifting mechanism 200, so that the pipe on the receiving flap 400 slides away from the flipping drive mechanism 500.

[0024] The base frame 100 provides a stable foundation for the entire equipment; the lifting mechanism 200 supports the receiving flap 400 for lifting and lowering, realizing the height switching between receiving and unloading to adapt to changes in the discharge height of different cutting equipment or the interface height of downstream equipment; the lifting drive mechanism 300 provides power for the lifting movement; the receiving flap 400 serves as a platform for carrying the pipe, with one end hinged to the lifting mechanism 200, providing a fulcrum for tilting and unloading; the tilting drive mechanism 500 drives the receiving flap 400 to complete the unloading action; the support rollers 600 rise with the receiving flap 400 to receive the pipe, and the pipe falls on the rollers to reduce surface wear. The lifting mechanism 200 raises the receiving flap 400 to a height matching the discharge port of the cutting machine, smoothly receiving the pipe and avoiding direct impact from the falling pipe. After receiving, the receiving flap 400 can carry the pipe down to a lower unloading height that is easy to operate or connect, and then smoothly slide the pipe out through a flipping action. This realizes the workflow of high-level receiving and low-level unloading, protects the pipe, improves operational safety, and enhances the flexibility of connection with upstream and downstream equipment.

[0025] The workflow is as follows: Initially, the receiving flap 400 is in the low unloading position. After the cutting machine completes one cut, the lifting drive mechanism 300 drives the lifting mechanism 200 to rise, so that the receiving flap 400 and its supporting rollers 600 reach the receiving height close to the cutting machine's outlet. At this time, the receiving flap 400 is in a horizontal state. The pipe cut by the cutting machine moves along its axial direction onto the supporting rollers 600 and is stably supported. After the cutting machine releases the clamping of the pipe, the lifting drive mechanism 300 reverses its action, and the lifting mechanism 200 descends to the unloading position. At this time, the flipping drive mechanism 500 extends, driving the receiving flap 400 to flip upward around the hinge axis. Under the action of gravity, the pipe slides down along the supporting rollers 600 to the side away from the flipping drive mechanism 500 and enters the downstream conveying or collecting device to complete the unloading. After unloading is completed, the flipping drive mechanism 500 retracts, causing the receiving flap 400 to return to a horizontal position, waiting for the next receiving.

[0026] After bearing heavy pipes or undergoing prolonged high-frequency operation, the lifting mechanism 200 is prone to unstable lifting, unilateral tilting, or even jamming. Therefore, in one embodiment, the lifting mechanism 200 includes a connecting frame 210 and a first guide rail 221, a second guide rail 222, a first connecting shaft 231, a second connecting shaft 232, a third connecting shaft 233, and two sets of scissor arms 240 disposed between the base frame 100 and the connecting frame 210. The first guide rail 221 is disposed at the top of the base frame 100 and parallel to the first axis. The second guide rail 222 is disposed at the bottom of the connecting frame 210 and parallel to the first guide rail 221. The first connecting shaft 231 is fixed to the base frame 100. The second connecting shaft 232 is drive-connected to the lifting drive mechanism 300, and the second connecting shaft 232 is rotatably connected to the first guide rail 221 via rollers mounted thereon. The third connecting shaft 233 is connected to the second guide rail 221 via rollers mounted thereon. 2. Rolling connection: Two sets of scissor arms 240 are arranged in parallel. Each set of scissor arms 240 includes a first connecting rod 241, a second connecting rod 242, a third connecting rod 243, and a fourth connecting rod 244. One end of the first connecting rod 241 is hinged to the first connecting shaft 231, and the other end of the first connecting rod 241 is hinged to one end of the third connecting rod 243. The other end of the third connecting rod 243 is hinged to the bottom of the connecting frame 210. The middle part of the second connecting rod 242 is hinged to the middle part of the first connecting rod 241, and the middle part of the fourth connecting rod 244 is hinged to the middle part of the third connecting rod 243. One end of the second connecting rod 242 is hinged to the second connecting shaft 232, and the other end of the second connecting rod 242 is hinged to one end of the fourth connecting rod 244. The other end of the fourth connecting rod 244 is hinged to the third connecting shaft 233. Preferably, the middle hinge points of the connecting rods in the two sets of scissor arms 240 are fixedly connected by a transverse support shaft. The scissor arm 240 has a low overall height when retracted and a large lifting stroke when extended, with a compact structure that effectively utilizes vertical space. The two sets of parallel scissor arms 240 cooperate with the first and second guide rails 222 to form a stable four-point support, with high guiding accuracy and strong load-bearing capacity, suitable for bearing the weight of heavy pipes and components such as the receiving flap 400, and operates smoothly without shaking. By driving the second connecting shaft 232 to move along the first guide rail 221, the extension and retraction of the entire scissor arm 240 can be controlled, realizing the lifting of the connecting frame 210 and the receiving flap 400, with high transmission efficiency.

[0027] If the lifting drive mechanism 300 adopts the method of directly driving the scissor arms 240 with a rotating shaft, the rotating shaft is prone to torsional elastic deformation when it needs to bear a large load, which will cause the two scissor arms 240 to move asynchronously or even get stuck. Therefore, in one embodiment, the lifting drive mechanism 300 includes a drive motor 310, a drive sprocket 320, a driven sprocket 330, a transmission chain 340, and a connecting block 350. The drive motor 310 is mounted on the base frame 100, the drive sprocket 320 is mounted on the output end of the drive motor 310, the driven sprocket 330 is rotatably mounted on the base frame 100, the connecting block 350 is fixedly mounted on the second connecting shaft 232, and the two ends of the transmission chain 340 are respectively fixedly connected to the two ends of the connecting block 350 along the extension direction of the first guide rail 221. The transmission chain 340 is wound around the drive sprocket 320 and the driven sprocket 330 to form a closed loop. The drive motor 310 is used to drive the transmission chain 340 to reciprocate, so as to pull the second connecting shaft 232 to reciprocate on the first guide rail 221 through the connecting block 350. By using a chain to pull the connecting block 350, the rotational torque of the drive motor 310 is converted into a horizontal pulling force, which directly pulls the second connecting shaft 232 through the connecting block 350. This avoids torsional deformation of the long rotating shaft due to torque, ensures balanced force at both ends, and ensures strict synchronous movement of the scissor arms 240 on both sides. At the same time, the chain drive has strong impact resistance and is not easy to slip, making it suitable for heavy-load and frequent start-stop conditions, and the structure is reliable.

[0028] When the lifting mechanism 200, fully loaded with heavy pipes, rapidly descends to the unloading position, the immense weight and acceleration generate a severe mechanical impact, easily causing equipment vibration and damaging the connecting shaft and components. Therefore, in one embodiment, a buffer assembly is also included. This buffer assembly comprises four hydraulic buffers 700, all mounted on the base frame 100 and located below the four bottom corners of the connecting frame 210. The hydraulic buffers 700 abut against the bottom of the connecting frame 210 when the lifting mechanism 200 descends to the unloading position, providing flexible cushioning. The four hydraulic buffers 700, distributed at the four corner support points under stress, provide flexible damping when the connecting frame 210 descends to the bottom, absorbing impact kinetic energy, reducing severe vibration at the moment of stopping, protecting the scissor arm 240, drive chain 340, and the pipes supported above from vibration damage, and improving the smoothness of the equipment during heavy-load operation.

[0029] When a short pipe falls onto the rollers, its center of gravity may be unstable, causing it to roll off course or slip. Therefore, in one embodiment, the number of support rollers 600 is three, and the three support rollers 600 are arranged at intervals along the first axis. The three support rollers 600 form a stable three-point support, which is particularly suitable for shorter pipes, ensuring that the pipe is always supported by at least two rollers when it falls onto the receiving flap 400, avoiding shaking caused by single-point contact; the interval arrangement along the first axis can accommodate short materials of different lengths, making it highly versatile.

[0030] When the equipment vibrates during operation, the pipe may experience slight displacement, potentially sliding towards the drive mechanism and causing it to detach or interfere with the subsequent flipping mechanism. Therefore, in one embodiment, the receiving flap 400 is equipped with a stop block 410. The stop block 410 is positioned on the side of the receiving flap 400 closest to the flipping drive mechanism 500. The stop block 410 prevents the pipe from sliding towards the flipping drive mechanism 500 when it receives the pipe at the receiving position. During the receiving stage, the stop block 410 acts as a limiting barrier, ensuring the pipe remains within the effective support area of ​​the support roller 600, preventing it from rolling towards the flipping drive mechanism 500 and causing interference. During unloading and flipping, as the receiving flap 400 flips upwards, the stop block 410 also tilts upwards, preventing the pipe from sliding to the other side. The structure is simple and practical.

[0031] At the unloading position, when the receiving flap 400 flips upward, the pipe's sliding trajectory may deviate, become stuck, or collide with other parts of the equipment. Therefore, in one embodiment, the receiving flap 400 is provided with a guide ramp 420. The guide ramp 420 is located on the side of the receiving flap 400 away from the flipping drive mechanism 500. The guide ramp 420 has an inclined guide surface 421, which is inclined downward from the side closer to the flipping drive mechanism 500 to the side away from the flipping drive mechanism 500. This guide surface 421 guides the pipe to slide away from the flipping drive mechanism 500 when the receiving flap 400 is tilted and flipped at the unloading position. When the receiving flap 400 flips, the inclined guide surface 421 of the guide ramp 420 forms a downward-sloping extended ramp. After the pipe rolls out of the support roller 600, it slides smoothly down the ramp to the designated collection position, avoiding direct impact or random rolling of the pipe and improving the uniformity of the discharge.

[0032] The tilting drive mechanism 500 may experience uneven loading when pushing the wider receiving flap 400, causing the flap to twist or fail to tilt properly. Therefore, in one embodiment, the tilting drive mechanism 500 includes two cylinders 510. The cylinder bodies of the two cylinders 510 are respectively arranged parallel to each other on the top of the lifting mechanism 200 via hinge seats 520, and the telescopic rods of the two cylinders 510 are respectively symmetrically hinged to the bottom of the receiving flap 400. The two parallel and symmetrically hinged cylinders 510 jointly push the receiving flap 400 to tilt, resulting in balanced force and preventing the flap from twisting due to force on one side. The dual cylinders 510 provide greater thrust, ensuring stable tilting even under heavy pipe loads. The symmetrical arrangement also makes the tilting action of the receiving flap 400 smoother and faster.

[0033] The lifting mechanism 200 may experience misalignment during ascent, leading to material contact and collision, or excessive descent, causing internal rigid impact. Therefore, in one embodiment, a positioning detection device is also included. This device comprises a sensor 810 and a sensing element 820 that cooperates with the sensor 810 for triggering. The sensor 810 is mounted on the base frame 100, and the sensing element 820 is mounted on the lifting mechanism 200 to detect the positioning status of the lifting mechanism 200. The sensor 810 and the sensing element 820 work together to accurately detect whether the lifting mechanism 200 has reached the set material receiving or unloading height, providing an accurate positioning signal to the control system, thereby controlling the start and stop of the lifting drive mechanism 300.

[0034] Since different pipe specifications and different docking equipment may require different receiving or unloading heights, a fixed-position sensor 810 cannot meet the requirements for height adjustment. Therefore, in one embodiment, the positioning detection device further includes a mounting bracket 830 fixed on the base frame 100. The mounting bracket 830 has a movable groove 831 on its surface. The sensor 810 is adjustablely mounted in the movable groove 831 using fasteners. By adjusting the position of the sensor 810 in the movable groove 831, the relative triggering distance between the sensor 810 and the sensing element 820 is changed, thereby adjusting the lifting limit stroke of the lifting mechanism 200. When it is necessary to change the receiving or unloading height, simply loosen the fasteners of the sensor 810, slide it into the movable groove 831 to the new desired position, and then retighten it. No hardware replacement or addition is required, making debugging very simple. Specifically, when the lifting mechanism 200 is a scissor arm 240 mechanism, the movement trajectory of the sensing element 820 is an arc. In this case, designing the movable slot 831 as an arc-shaped slot that matches this arc trajectory allows the sensor 810 to maintain the optimal sensing distance and angle with the sensing element 820 throughout the entire adjustment range, ensuring the reliability and accuracy of the detection. This adjustment method is simple in structure, low in cost, and enhances the equipment's adaptability to different production needs.

[0035] The various technical solutions of this invention are not isolated but interconnected and synergistic, collectively forming an automated short pipe receiving solution. Specifically, addressing multiple technical problems such as low efficiency of manual picking, easy damage from inclined drop, and inability to flexibly connect at fixed heights, this invention employs a height-adjustable lifting mechanism 200. A lifting drive mechanism 300 drives the scissor arm 240 to achieve smooth lifting. This not only stably supports the bottom of the pipe but also flexibly matches downstream equipment at different heights, improving the flexibility of the production line layout. Furthermore, to solve the problem of stable lifting of heavy-duty pipes, a four-link composite scissor arm 240 structure and chain-driven mechanism are used, ensuring synchronization and impact resistance under high loads. Based on this, the support rollers 600, stop blocks 410, and guide ramps 420 on the receiving flap 400 play their respective roles in the receiving, limiting, and unloading stages: the support rollers 600 reduce friction, the stop blocks 410 prevent the pipe from rolling into the mechanism, and the guide ramps 420 guide the pipe to slide precisely. Together, these three components achieve a complete process from gentle acceptance to controlled sliding out of the pipe, avoiding damage caused by direct falls. The flipping drive mechanism 500 uses a symmetrical arrangement of two cylinders 510 to ensure uniform force on the wide flap, forming a rhythmic coordination with the smooth lifting and lowering of the lifting mechanism 200. In addition, the hydraulic buffer 700 reduces the rigid impact at the end of the descent, protecting the scissor arm 240 and the pipe surface; while the positioning detection device with an arc-shaped movable groove 831 matches the movement trajectory of the scissor arm 240, realizing precise closed-loop control of the lifting stroke. It is evident that the various features such as bearing, driving, buffering, limiting, guiding, and detection do not exist in isolation, but rather support and work together around the core objective of smooth material receiving, flexible docking, and orderly unloading of short materials, thereby improving the reliability and layout flexibility of the short material receiving process.

[0036] The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the embodiments described. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A short material receiving assembly for receiving pipes downstream of a cutting machine, characterized in that, The device includes a base frame, a lifting mechanism, a lifting drive mechanism, a receiving flap, a tilting drive mechanism, and multiple support rollers. The lifting mechanism is mounted on the base frame, and the lifting drive mechanism is mounted on the base frame and connected to the lifting mechanism. The lifting drive mechanism drives the lifting mechanism to move vertically up and down. One end of the receiving flap is hinged to the top of the lifting mechanism, and the hinge axis between the receiving flap and the lifting mechanism is a first axis. The tilting drive mechanism is mounted on the top of the lifting mechanism, and its drive end is hinged to the end of the receiving flap away from the first axis. Multiple support rollers are rotatably mounted on the receiving flap, and the rotation axis of the support rollers is perpendicular to the first axis, so as to receive the pipe as the lifting mechanism rises to the receiving position. The tilting drive mechanism drives the receiving flap to tilt upward around the first axis when the receiving flap descends to the unloading position with the lifting mechanism, thereby causing the pipe on the receiving flap to slide away from the tilting drive mechanism.

2. The short material receiving assembly according to claim 1, characterized in that, The lifting mechanism includes a connecting frame and a first guide rail, a second guide rail, a first connecting shaft, a second connecting shaft, a third connecting shaft, and two sets of scissor arms disposed between the base frame and the connecting frame. The first guide rail is disposed on the top of the base frame and parallel to the first axis. The second guide rail is disposed on the bottom of the connecting frame and parallel to the first guide rail. The first connecting shaft is fixed to the base frame and is drively connected to the lifting drive mechanism. The second connecting shaft is rotatably connected to the first guide rail via rollers disposed thereon. The third connecting shaft is rotatably connected to the second guide rail via rollers disposed thereon. The scissor arms in each group are arranged in parallel. Each group of scissor arms includes a first link, a second link, a third link, and a fourth link. One end of the first link is hinged to the first connecting shaft, and the other end of the first link is hinged to one end of the third link. The other end of the third link is hinged to the bottom of the connecting frame. The middle part of the second link is hinged to the middle part of the first link, and the middle part of the fourth link is hinged to the middle part of the third link. One end of the second link is hinged to the second connecting shaft, and the other end of the second link is hinged to one end of the fourth link. The other end of the fourth link is hinged to the third connecting shaft.

3. A short material receiving assembly according to claim 2, characterized in that, The lifting drive mechanism includes a drive motor, a drive sprocket, a driven sprocket, a transmission chain, and a connecting block. The drive motor is mounted on the base frame, the drive sprocket is mounted on the output end of the drive motor, the driven sprocket is rotatably mounted on the base frame, the connecting block is fixed to the second connecting shaft, and the two ends of the transmission chain are respectively fixed to the two ends of the connecting block along the extension direction of the first guide rail. The transmission chain is wound around the drive sprocket and the driven sprocket to form a closed loop. The drive motor is used to drive the transmission chain to reciprocate, so as to pull the second connecting shaft to reciprocate on the first guide rail through the connecting block.

4. A short material receiving assembly according to claim 2, characterized in that, It also includes a buffer assembly, which includes four hydraulic buffers. The four hydraulic buffers are all mounted on the base frame and are located below the four bottom corners of the connecting frame. The hydraulic buffers are used to abut against the bottom of the connecting frame when the lifting mechanism descends to the unloading position to provide flexible cushioning.

5. A short material receiving assembly according to claim 1, characterized in that, The number of support rollers is three, and the three support rollers are arranged at intervals along the first axis.

6. A short material receiving assembly according to claim 1, characterized in that, The receiving flap is provided with a baffle block, which is located on the side of the receiving flap close to the flipping drive mechanism. The baffle block is used to prevent the pipe from sliding towards the flipping drive mechanism when the receiving flap receives the pipe at the receiving position.

7. A short material receiving assembly according to claim 1, characterized in that, The receiving flap is provided with a guide block, which is located on the side of the receiving flap away from the flipping drive mechanism. The guide block has an inclined guide surface, which is inclined downward from the side close to the flipping drive mechanism to the side away from the flipping drive mechanism, so as to guide the pipe to slide away from the flipping drive mechanism when the receiving flap is tilted and flipped in the unloading position.

8. A short material receiving assembly according to claim 1, characterized in that, The flipping drive mechanism includes two cylinders. The cylinder bodies of the two cylinders are respectively arranged in parallel on the top of the lifting mechanism through hinge seats, and the telescopic rods of the two cylinders are respectively symmetrically hinged to the bottom of the receiving flip plate.

9. A short material receiving assembly according to claim 1, characterized in that, It also includes a positioning detection device, which includes a sensor and a sensing element that works in conjunction with the sensor to trigger the mechanism. The sensor is mounted on the base frame, and the sensing element is mounted on the lifting mechanism to detect the lifting position of the lifting mechanism.

10. A short material receiving assembly according to claim 9, characterized in that, The positioning detection device also includes a mounting bracket fixed on the base frame. The mounting bracket has a movable groove on its plate surface. The sensor is adjustablely mounted in the movable groove by fasteners. By adjusting the position of the sensor in the movable groove, the relative triggering distance between the sensor and the sensing plate is changed, thereby adjusting the lifting limit stroke of the lifting mechanism.

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