Automatic blanking device for punching waste

Abstract

The automatic punching waste blanking device comprises a rack, a transfer mechanism and a material collecting mechanism, and blanking holes are formed in the rack; the transfer mechanism comprises a transfer box and a transfer pipe which are arranged on the rack, an outlet of the blanking hole is communicated with an inlet of the transfer pipe, and an outlet of the transfer pipe is communicated with an inlet of the transfer box; and the material collecting mechanism comprises a material collecting vehicle and a guide rail which are arranged on the outer side of the rack, an outlet of the transfer box communicates with an inlet of the material collecting vehicle, and the material collecting vehicle is slidably connected to the guide rail. Waste materials in the transfer box flow into the material collecting vehicle through the outlet of the transfer box, and the material collecting vehicle can be easily pulled out along the guide rail after being filled with the waste materials, so that the waste materials are convenient to clean and transport, the occupied space is small, and material conveying is smooth.

Description

Technical Field

[0001] The invention relates to the field of laser welding machines, and in particular to an automatic blanking device for punching waste. Background Art

[0002] In order to meet process requirements, steel production lines need to punch holes in the steel strip to mark the position of the weld on the strip. Most punching mechanisms are designed inside automatic welding machines, and punching will produce disc-shaped waste.

[0003] The Chinese utility model patent with announcement number CN211330917U discloses an aluminum product punching device, including a base and a punching mechanism fixedly connected by multiple support columns, the base is provided with an aluminum product placement groove and a blanking hole, multiple groups of support plates are fixedly installed on the middle and upper part of the inner wall of the blanking hole, and each group is composed of two support plates, each support plate is rotatably connected to a connecting rod, a belt transmission mechanism is installed on the lower half of the blanking hole, and multiple fixed engaging mechanisms are provided on the base. The belt transmission mechanism includes two rotating shafts, a driving wheel, a driven wheel, a conveyor belt and a motor, a controller is fixedly installed on the outer wall of the base, and the controller is electrically connected to the motor, the motor is fixedly installed on the lower half of the blanking hole, the lower half of the blanking hole is rotatably connected to two rotating shafts, and the driving wheel and the driven wheel are respectively fixedly sleeved on the corresponding rotating shafts, and one end of the rotating shaft fixedly connected to the driving wheel is fixed on the driving end of the motor.

[0004] Regarding the above-mentioned related technologies, there are the following defects: installing the conveyor belt inside the base for transferring waste not only occupies a large space, but also the waste easily falls on the edge of the conveyor belt, causing the conveyor belt to become stuck, affecting transportation. Summary of the invention

[0005] The purpose of the present invention is to overcome the above technical deficiencies and to provide an automatic blanking device for punching waste, so as to solve the technical problems in the prior art that the blanking device occupies a large space and is easy to get stuck.

[0006] In order to achieve the above technical purpose, the technical solution of the present invention provides an automatic blanking device for punching waste, comprising a frame, wherein the frame is provided with blanking holes; A transfer mechanism, the transfer mechanism comprising a transfer box and a transfer pipe arranged on the frame, the outlet of the blanking hole is connected to the inlet of the transfer pipe, and the outlet of the transfer pipe is connected to the inlet of the transfer box; and, The material collecting mechanism comprises a material collecting vehicle and a guide rail arranged outside the frame, the outlet of the transfer box is connected with the inlet of the material collecting vehicle, and the material collecting vehicle is slidably connected to the guide rail.

[0007] In some embodiments, the transfer pipe includes a first material guide pipe, a second material guide pipe and a third material guide pipe arranged on the frame, the outlet of the drop hole is connected to the inlet of the first material guide pipe, the outlet of the first material guide pipe is connected to the inlet of the transfer box, the outlet of the transfer box is connected to the inlet of the second material guide pipe, the outlet of the second material guide pipe is connected to the inlet of the third material guide pipe, and the outlet of the third material guide pipe is connected to the inlet of the collection vehicle.

[0008] In some embodiments, the transfer mechanism also includes a rocker arm, a balancing assembly and a power assembly, one end of the rocker arm is rotatably connected to the frame, the other end of the rocker arm is located in the transfer box, the other end of the rocker arm is provided with a material guide hole, the rocker arm is located above the waste material, the balancing assembly is used to keep the rocker arm horizontal so that the rocker arm is located between the first material guide tube and the transfer box, so that the material guide hole is aligned with the outlet of the first material guide tube and the inlet of the transfer box, and the power assembly is used to drive the rocker arm to rotate downward to push out the waste material in the transfer box.

[0009] In some embodiments, the balancing assembly includes a track and a spring, the frame is slidably connected to the track, one end of the rocker arm is rotatably connected to the frame, one end of the spring is connected to the rocker arm, and the other end of the spring is connected to the frame, and under the action of the spring restoring force, the rocker arm is in a stationary state.

[0010] In some embodiments, the power assembly includes a first driving member and a fixed rod provided on a frame, the fixed end of the first driving member is connected to a track, and the movable end of the first driving member is connected to the frame. When the first driving member drives the frame to slide, the rocker arm abuts against the fixed rod, and the rocker arm rotates under the reaction force of the fixed rod.

[0011] In some embodiments, the interiors of the first material guiding tube, the second material guiding tube, and the third material guiding tube are all in arc transition.

[0012] In some embodiments, the opening of the aggregate truck is radial.

[0013] In some embodiments, the material collecting mechanism further includes a second driving member, a fixed end of the second driving member is connected to the guide rail, and a movable end of the second driving member is connected to the material collecting vehicle.

[0014] In some embodiments, the material collecting mechanism also includes a material leveling rod, which is rotatably connected to the material collecting vehicle. A driving assembly is provided on the guide rail, the fixed end of the driving assembly is connected to the material collecting vehicle, and the movable end of the driving assembly is connected to the material leveling rod.

[0015] In some embodiments, the driving assembly includes an active rack, a rotating shaft and a driven gear. The active rack is arranged on a guide rail, and the active rack extends along the length direction of the guide rail. The rotating shaft is rotatably connected to the bottom of the collecting truck, and the top of the rotating shaft is connected to the material leveling rod. The driven gear is connected to the bottom of the rotating shaft, and the active rack is meshed with the driven gear.

[0016] Compared with the prior art, the beneficial effects of the present invention include: the waste falling from the drop hole enters the transfer pipe, the transfer pipe plays a guiding role, guiding the waste into the transfer box, the transfer box temporarily stores the waste, and the waste in the transfer box flows into the collection truck through its outlet. When the collection truck is full of waste, it can be easily pulled out along the guide rail, which is convenient for cleaning and transportation of waste, occupies little space and has smooth material feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the laser welding machine provided by the present invention; Figure 2 It is a schematic diagram of the overall structure of the automatic blanking device provided by the present invention; Figure 3 It is a schematic diagram of the overall structure of the transfer box provided by the present invention; Figure 4 It is a schematic diagram of the overall structure of the transfer mechanism provided by the present invention in the first state; Figure 5 It is a schematic diagram of the overall structure of the second state of the transfer mechanism provided by the present invention; Figure 6 It is a schematic diagram of the overall structure of the material collecting mechanism provided by the present invention.

[0018] Description of reference numerals: 1. Frame; 11. Dropping hole; 2. Transfer mechanism; 21. Transfer box; 22. Transfer tube; 221. First material guide tube; 222. Second material guide tube; 223. Third material guide tube; 3. Material collection mechanism; 31. Material collection vehicle; 32. Guide rail; 33. Second driving member; 34. Material leveling rod; 4. Rocker arm; 41. Balance assembly; 411. Track; 412. Spring; 42. Power assembly; 421. Fixed rod; 5. Drive assembly; 51. Active rack; 52. Rotating shaft; 53. Driven gear. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0020] The present invention provides an automatic punching waste material blanking device, the structure of which is as follows: Figure 1 - Figure 6 As shown, it includes a frame 1, a transfer mechanism 2 and a material collecting mechanism 3.

[0021] The frame 1 is provided with a material drop hole 11 .

[0022] The transfer mechanism 2 includes a transfer box 21 and a transfer pipe 22 arranged on the frame 1 . The outlet of the drop hole 11 is connected to the inlet of the transfer pipe 22 , and the outlet of the transfer pipe 22 is connected to the inlet of the transfer box 21 .

[0023] The material collecting mechanism 3 includes a material collecting vehicle 31 and a guide rail 32 disposed outside the frame 1 . The outlet of the transfer box 21 is connected to the inlet of the material collecting vehicle 31 , and the material collecting vehicle 31 is slidably connected to the guide rail 32 .

[0024] During use, when the punching operation is performed, the punched waste falls through the drop hole 11 under the action of gravity. The drop hole 11 provides a downward channel for the waste, so that it can smoothly leave the punching area. The waste falling from the drop hole 11 directly enters the transfer pipe 22 connected thereto. The transfer pipe 22 plays a guiding role, guiding the waste to move in a specific direction and finally enter the transfer box 21. The transfer box 21 temporarily stores the waste, plays a buffering and transitional role, prevents the waste from directly impacting the collection mechanism 3, and also facilitates the centralized management of the waste. The waste in the transfer box 21 automatically flows into the collection vehicle 31 through its outlet. The collection vehicle 31 is located outside the frame 1, connected to the frame 1 through the guide rail 32 and can slide along the guide rail 32. The inlet of the collection vehicle 31 is connected to the outlet of the transfer box 21 to ensure that the waste can smoothly enter the collection vehicle 31. When the collecting vehicle 31 is filled with waste materials, it can be easily pulled out along the guide rail 32, so as to facilitate the cleaning and transportation of the waste materials.

[0025] In the present invention, the waste falling from the drop hole 11 enters the transfer pipe 22, and the transfer pipe 22 plays a guiding role, guiding the waste into the transfer box 21. The transfer box 21 temporarily stores the waste, and the waste in the transfer box 21 flows into the collection vehicle 31 through its outlet. When the collection vehicle 31 is full of waste, it can be easily pulled out along the guide rail 32, which is convenient for cleaning and transportation of the waste, occupies little space, and has smooth material feeding.

[0026] To transport waste, please refer to Figure 3In a preferred embodiment, the transfer pipe 22 includes a first material guide pipe 221, a second material guide pipe 222 and a third material guide pipe 223 arranged on the frame 1, the outlet of the drop hole 11 is connected to the inlet of the first material guide pipe 221, the outlet of the first material guide pipe 221 is connected to the inlet of the transfer box 21, the outlet of the transfer box 21 is connected to the inlet of the second material guide pipe 222, the outlet of the second material guide pipe 222 is connected to the inlet of the third material guide pipe 223, and the outlet of the third material guide pipe 223 is connected to the inlet of the collecting vehicle 31.

[0027] When in use, when the high-precision laser welding machine is working, the punching die 12 punches the workpiece, and the generated waste falls from the blanking hole 11 at the bottom of the punching die 12. Since the outlet of the blanking hole 11 is connected to the inlet of the first guide pipe 221, the waste slides down along the first guide pipe 221 by its own gravity. The first guide pipe 221 plays a role in initially guiding the direction of the waste, and guides the waste from the punching die 12 to the transfer box 21. The transfer box 21 can buffer the impact force of the falling waste to a certain extent, and prevent the waste from directly impacting the subsequent pipeline and causing damage. At the same time, the outlet of the transfer box 21 is connected to the inlet of the second guide pipe 222. When the waste accumulates to a certain extent in the transfer box 21, it will flow into the second guide pipe 222 from the outlet. The waste moves along the second guide pipe 222 and finally reaches the outlet of the second guide pipe 222. The waste flowing out of the second material guide pipe 222 slides down the third material guide pipe 223 and finally enters the material collection vehicle 31. The material collection vehicle 31 is connected to the frame 1 through the guide rail 32 and can slide. When the material collection vehicle 31 is full of waste, it can be easily pulled out along the guide rail 32 for waste cleaning.

[0028] To avoid waste material remaining in the transfer box 21, please refer to Figure 3 In a preferred embodiment, the transfer mechanism 2 also includes a rocker arm 4, a balancing assembly 41 and a power assembly 42, one end of the rocker arm 4 is rotatably connected to the frame 1, the other end of the rocker arm 4 is located in the transfer box 21, the other end of the rocker arm 4 is provided with a material guide hole, the rocker arm 4 is located above the waste, the balancing assembly 41 is used to keep the rocker arm 4 in a horizontal state, so that the rocker arm 4 is located between the first material guide pipe 221 and the transfer box 21, so that the material guide hole is aligned with the outlet of the first material guide pipe 221 and the inlet of the transfer box 21, and the power assembly 42 is used to drive the rocker arm 4 to rotate downward to push out the waste in the transfer box 21.

[0029] When in use, during the punching process of the high-precision laser welding machine, first, the punching waste enters the first material guide tube 221 through the blanking hole 11, and under the action of the balancing component 41, the waste enters the transfer box 21 through the material guide hole on the swing rod 4. When the waste accumulates in the transfer box 21 to a certain extent or reaches a certain time interval, the power component 42 starts to drive the swing rod 4 to rotate, thereby realizing the operation of removing the waste.

[0030] To keep the pendulum 4 in a stationary state, please refer to Figure 3 In a preferred embodiment, the balancing assembly 41 includes a track 411 and a spring 412. The frame 1 is slidably connected to the track 411. One end of the rocker arm 4 is rotatably connected to the frame 1. One end of the spring 412 is connected to the rocker arm 4. The other end of the spring 412 is connected to the frame 1. Under the action of the restoring force of the spring 412, the rocker arm 4 is in a stationary state.

[0031] During use, when no external force acts on the rocker arm 4, the spring 412 is at its original length, the rocker arm 4 remains stationary under the joint action of the spring 412 and the frame 1, and the material guide hole is aligned with the outlet of the first material guide tube 221 and the inlet of the transfer box 21, ensuring that the waste can smoothly pass through the material guide hole into the transfer box 21.

[0032] To rotate the pendulum 4, refer to Figure 4 In a preferred embodiment, the power assembly 42 includes a first driving member and a fixed rod 421 provided on the frame 1, the fixed end of the first driving member is connected to the track 411, and the movable end of the first driving member is connected to the frame 1. When the first driving member drives the frame 1 to slide, the rocker arm 4 abuts against the fixed rod 421, and the rocker arm 4 rotates under the reaction force of the fixed rod 421.

[0033] When in use, when it is necessary to remove the waste in the transfer box 21, the first driving member in the power assembly 42 starts to work. After the first driving member is started, its piston rod begins to extend, and the movement of the piston rod drives the frame 1 to slide on the track 411. One end of the swing rod 4 is rotatably connected to the frame 1. When the frame 1 slides, the swing rod 4 will change its position as the frame 1 moves. As the frame 1 moves, the swing rod 4 will gradually approach the fixed rod 421 until the swing rod 4 abuts against the fixed rod 421. The fixed rod 421 acts as a fulcrum. When the swing rod 4 abuts against the fixed rod 421, since the frame 1 continues to move under the drive of the piston rod of the first driving member, the swing rod 4 will rotate around the fixed rod 421 with its connection point with the frame 1 as the axis. The other end of the swing rod 4 is located in the transfer box 21. When the swing rod 4 rotates, its part in the transfer box 21 will produce a pulling effect on the waste in the box. The rotation of the swing arm 4 stirs the waste in the transfer box 21 and pushes the waste toward the outlet of the transfer box 21, so that the waste can be discharged smoothly from the transfer box 21 and enter the collection vehicle 31 along the subsequent material guide pipe, completing the waste cleaning work. When the waste cleaning is completed, the piston rod of the first drive member moves in the opposite direction, driving the frame 1 back to the initial position. As the frame 1 returns to its original position, the swing arm 4 will also gradually return to its initial static position under the action of the spring 412. At this time, the material guide hole is aligned with the outlet of the first material guide pipe 221 and the inlet of the transfer box 21 again, preparing for the next waste transmission.

[0034] To make waste conveying smoother, please refer to Figure 4 In a preferred embodiment, the interiors of the first material guiding pipe 221, the second material guiding pipe 222 and the third material guiding pipe 223 are all arc-shaped transitions.

[0035] When in use, the internal structure of the arc transition avoids right angles or sharp corners inside the guide tube. During the waste transportation process, the waste may have different shapes and sizes. The right angle corners are easy to cause the waste to accumulate or get stuck, while the arc transition makes the waste pass more smoothly and reduces the possibility of waste blockage.

[0036] To increase the collection area of ​​the collecting vehicle 31, please refer to Figure 5 In a preferred embodiment, the opening of the collecting vehicle 31 is radial.

[0037] When in use, the radial opening can effectively increase the receiving area of ​​the material collection vehicle 31 when the material collection vehicle 31 is docked with the third material guide pipe 223. Compared with conventional rectangular or circular openings, the radial opening can better align the material discharge direction of the material guide pipe, making it easier for the waste falling from the third material guide pipe 223 to enter the material collection vehicle 31, reducing the possibility of waste scattering due to deviation in the landing point, and improving the accuracy and efficiency of waste collection.

[0038] In order to drive the collecting vehicle 31 to move back and forth, please refer to Figure 5 In a preferred embodiment, the material collecting mechanism 3 also includes a second driving member 33, the fixed end of the second driving member 33 is connected to the guide rail 32, the movable end of the second driving member 33 is connected to the material collecting vehicle 31, and the second driving member 33 is a cylinder.

[0039] When in use, the piston rod of the second driving member 33 is connected to the material collecting vehicle 31. When the piston rod of the second driving member 33 is extended or retracted, the material collecting vehicle 31 can be driven to move back and forth accordingly.

[0040] To avoid accumulation of waste in the collecting vehicle 31, please refer to Figure 5 In a preferred embodiment, the material collecting mechanism 3 also includes a material leveling rod 34, which is rotatably connected to the material collecting vehicle 31, and a driving assembly 5 is provided on the guide rail 32, the fixed end of the driving assembly 5 is connected to the material collecting vehicle 31, and the movable end of the driving assembly 5 is connected to the material leveling rod 34.

[0041] When the material collecting vehicle 31 is in the position of receiving waste on the guide rail 32, the driving assembly 5 is started, driving the material leveling rod 34 to rotate in the material collecting vehicle 31. During the rotation process, the material leveling rod 34 will stir and push the waste falling into the material collecting vehicle 31, so that the waste is distributed more evenly in the material collecting vehicle 31. On the one hand, it can prevent the waste from being piled up too high locally in the material collecting vehicle 31, affecting the stability of the center of gravity of the material collecting vehicle 31 and subsequent transportation; on the other hand, the uniform waste distribution is also conducive to improving the efficiency and quality of waste treatment, and providing convenience for subsequent waste treatment.

[0042] To drive the material leveling rod 34 to rotate, please refer to Figure 5 In a preferred embodiment, the driving assembly 5 includes an active rack 51, a rotating shaft 52 and a driven gear. The active rack 51 is arranged on the guide rail 32, and the active rack 51 extends along the length direction of the guide rail 32. The rotating shaft 52 is rotatably connected to the bottom of the collecting vehicle 31, and the top of the rotating shaft 52 is connected to the material leveling rod 34. The driven gear is connected to the bottom of the rotating shaft 52, and the active rack 51 is meshed with the driven gear.

[0043] When in use, after the material collecting vehicle 31 is full of waste materials, the material collecting vehicle 31 needs to be moved to a designated location. When the material collecting vehicle 31 starts to move, the active rack 51 is meshed with the driven gear, and the driven gear will slide and rotate along the active rack 51. When the driven gear rotates, the material transport rod rotates with the rotation shaft 52, thereby stirring and spreading the waste materials in the material collecting vehicle 31. The movement of the material collecting vehicle 31 is used as the power, thereby realizing the rotation of the material leveling rod 34, which is energy-saving and environmentally friendly.

[0044] In order to better understand the present invention, the following Figure 1 - Figure 6 The working principle of the automatic punching waste material dropping device of the technical solution of the present invention is described in detail: when the punching operation is performed, the punched waste material falls through the drop hole 11 under the action of gravity. The drop hole 11 provides a downward channel for the waste material, so that it can smoothly leave the punching area. The waste material falling from the drop hole 11 directly enters the transfer pipe 22 connected thereto. The transfer pipe 22 plays a guiding role, guiding the waste material to move along a specific direction and finally enter the transfer box 21. The transfer box 21 temporarily stores the waste material, plays a buffering and transitional role, prevents the waste material from directly impacting the collection mechanism 3, and also facilitates the centralized management of the waste material. The waste material in the transfer box 21 automatically flows into the collection vehicle 31 through its outlet. The collection vehicle 31 is located outside the frame 1, connected to the frame 1 through the guide rail 32 and can slide along the guide rail 32. The inlet of the collection vehicle 31 is connected to the outlet of the transfer box 21, ensuring that the waste material can smoothly enter the collection vehicle 31. When the collecting vehicle 31 is filled with waste materials, it can be easily pulled out along the guide rail 32, so as to facilitate the cleaning and transportation of the waste materials.

[0045] The specific implementation of the present invention described above does not constitute a limitation on the protection scope of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An automatic blanking device for punching waste, characterized in that: include: A frame, wherein the frame is provided with a material dropping hole; A transfer mechanism, the transfer mechanism comprising a transfer box and a transfer pipe arranged on the frame, the outlet of the blanking hole is connected to the inlet of the transfer pipe, and the outlet of the transfer pipe is connected to the inlet of the transfer box; and, The material collecting mechanism comprises a material collecting vehicle and a guide rail arranged outside the frame, the outlet of the transfer box is connected with the inlet of the material collecting vehicle, and the material collecting vehicle is slidably connected to the guide rail.

2. The automatic blanking device for punching waste according to claim 1 is characterized in that: The transfer pipe includes a first material guide pipe, a second material guide pipe and a third material guide pipe which are arranged on the frame. The outlet of the drop hole is connected to the inlet of the first material guide pipe, the outlet of the first material guide pipe is connected to the inlet of the transfer box, the outlet of the transfer box is connected to the inlet of the second material guide pipe, the outlet of the second material guide pipe is connected to the inlet of the third material guide pipe, and the outlet of the third material guide pipe is connected to the inlet of the collecting vehicle.

3. The automatic blanking device for punching waste according to claim 2 is characterized in that: The transfer mechanism also includes a rocker arm, a balancing assembly and a power assembly. One end of the rocker arm is rotatably connected to the frame, and the other end of the rocker arm is located in the transfer box. The other end of the rocker arm is provided with a material guide hole. The rocker arm is located above the waste material. The balancing assembly is used to keep the rocker arm horizontal so that the rocker arm is located between the first material guide pipe and the transfer box, so that the material guide hole is aligned with the outlet of the first material guide pipe and the inlet of the transfer box. The power assembly is used to drive the rocker arm to rotate downward to push out the waste material in the transfer box.

4. The automatic punching waste blanking device according to claim 3 is characterized in that: The balancing assembly includes a track and a spring. The frame is slidably connected to the track. One end of the swing rod is rotatably connected to the frame. One end of the spring is connected to the swing rod, and the other end of the spring is connected to the frame. Under the action of the restoring force of the spring, the swing rod is in a stationary state.

5. The automatic punching waste blanking device according to claim 4 is characterized in that: The power assembly includes a first driving member and a fixed rod arranged on the frame, the fixed end of the first driving member is connected to the track, and the movable end of the first driving member is connected to the frame. When the first driving member drives the frame to slide, the swing arm abuts against the fixed rod, and the swing arm rotates under the reaction force of the fixed rod.

6. The automatic punching waste blanking device according to claim 2 is characterized in that: The interiors of the first material guiding pipe, the second material guiding pipe and the third material guiding pipe are all in arc transition.

7. The automatic punching waste blanking device according to claim 1 is characterized in that: The opening of the aggregate vehicle is radial.

8. The automatic blanking device for punching waste according to claim 1, characterized in that: The material collecting mechanism further comprises a second driving member, a fixed end of the second driving member is connected to the guide rail, and a movable end of the second driving member is connected to the material collecting vehicle.

9. The automatic punching waste blanking device according to claim 1, characterized in that: The material collecting mechanism also includes a material leveling rod, which is rotatably connected to the material collecting vehicle. A driving assembly is provided on the guide rail, a fixed end of the driving assembly is connected to the material collecting vehicle, and a movable end of the driving assembly is connected to the material leveling rod.

10. The automatic punching waste blanking device according to claim 9, characterized in that: The driving assembly includes an active rack, a rotating shaft and a driven gear. The active rack is arranged on a guide rail, and extends along the length direction of the guide rail. The rotating shaft is rotatably connected to the bottom of the collecting vehicle, and the top of the rotating shaft is connected to the material leveling rod. The driven gear is connected to the bottom of the rotating shaft, and the active rack is meshed with the driven gear.

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