Turnover dumping conveyor for warehouse goods

Abstract

The invention provides an overturning and dumping conveyor for stored goods, and belongs to the technical field of conveyors, the overturning and dumping conveyor for stored goods comprises a supporting framework, an overturning assembly is arranged on the supporting framework, the overturning assembly comprises a first telescopic rod and an overturning cross frame, and the end of the overturning cross frame is movably connected with a main path assembly; a screening assembly is arranged on the other side of the overturning transverse frame, and second telescopic rods are fixedly connected to the two sides of the overturning transverse frame; when the pressure value detected by one third pressure sensor is increased, the deviated cargo box is pushed to the position of the center line through a second telescopic rod, when the cargo box inclines by an angle, the conveying speed difference of the two separation conveying belts is changed, the cargo box inclining by the angle is corrected, and when the pressure value detected by the third pressure sensor is increased, the cargo box is pushed to the position of the center line through a second telescopic rod. And the free end of the first telescopic rod drives the turnover transverse frame to turn over downwards, so that the conveyor can screen the weight of the cargo box, the cargo frame is turned over clockwise, and the cargo box can be turned over multiple times according to requirements.

Description

Technical Field

[0001] The present invention belongs to the technical field of conveyors, and particularly relates to a tipping and discharging conveyor for storage goods. Background Art

[0002] Conveyors are suitable for the conveyance of various types of boxed, bagged, palletized and other piece goods. Bulk materials, small items or irregular items need to be placed on pallets or turnover boxes for conveyance. They can convey materials with a very large single-piece weight or withstand a large impact load. It is easy to connect and filter between roller lines. Multiple roller lines and other conveyors or special machines can be used to form a complex logistics conveying system to meet various technological requirements. The roller conveyor has a simple structure, high reliability, and is convenient for use and maintenance. The roller conveyor is suitable for conveying items with a flat bottom and is mainly composed of driving rollers, a frame, brackets, a driving part, etc. It has the characteristics of large conveying volume, high speed, light running, and can realize the co-line diversion conveying of various storage goods. For warehouse goods, conveyors are needed. For example, in food or agricultural product processing, goods are packaged in boxes and stored in warehouses. As an important part of the warehouse, conveyors make it more convenient to carry and convey the goods boxes in the warehouse.

[0003] At present, when the goods box is being conveyed by the storage goods conveyor, the goods box is prone to position deviation, and then the goods box is not conveyed on the walking center line. Therefore, the center of gravity of the goods box deviates from the walking center line. If the goods box is tilted at an angle, it cannot be corrected, which affects the conveyance of the goods box. Moreover, the weight of the goods box is sometimes too large and sometimes too small, and usually cannot be screened. Generally, the goods box needs to be turned to the front, and the goods box needs to be turned according to the requirements to ensure the normal conveyance of the goods box and other problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a tipping and discharging conveyor for storage goods, aiming to solve the problems in the prior art that when the goods box is being conveyed, the goods box is prone to position deviation, and then the goods box is not conveyed on the walking center line. Therefore, the center of gravity of the goods box deviates from the walking center line. If the goods box is tilted at an angle, it cannot be corrected, which affects the conveyance of the goods box. Moreover, the weight of the goods box is sometimes too large and sometimes too small, and usually cannot be screened. Generally, the goods box needs to be turned to the front, and the goods box needs to be turned according to the requirements to ensure the normal conveyance of the goods box and other problems.

[0005] To achieve the above object, the present invention provides the following technical solutions: A tipping and discharging conveyor for storage goods, including a support skeleton, a tipping assembly is arranged on the support skeleton. The tipping assembly includes a first telescopic rod and a tipping cross frame. The end of the tipping cross frame is movably connected with a main path assembly, and a screening assembly is arranged on the other side of the tipping cross frame; The free end of the first telescopic rod is movably connected to the end of the flipping cross frame. Two third servo motors are arranged below the flipping cross frame. Two groups of split rollers are arranged inside the flipping cross frame. A pin is arranged inside the two groups of split rollers. Separation conveyor belts are respectively arranged on the two groups of split rollers. The ends of two of the split rollers are provided with flipping brackets. A third pressure sensor is arranged at the bottom of the flipping bracket. The output end of the third servo motor is provided with a third driving wheel. One of the split rollers is fixedly connected with a third driven wheel. The third driving wheel and the third driven wheel are connected by belt drive; Both sides of the flipping cross frame are fixedly connected with second telescopic rods; The screening assembly includes three layers of screening cross frames. The positions of each layer of screening cross frame are arranged from top to bottom as the top layer, the middle layer and the bottom layer in sequence. Two distance sensors are arranged on the top layer screening cross frame.

[0006] Preferably, the main path assembly includes a main path cross frame. A second servo motor is fixedly installed on the main path cross frame. The output end of the second servo motor is fixedly installed with a second driving wheel.

[0007] Preferably, a plurality of main path rollers are arranged on the main path cross frame. A main path conveyor belt is arranged on the plurality of main path rollers.

[0008] Preferably, one of the main path rollers is fixedly installed with a second driven wheel. The second driving wheel and the second driven wheel are connected by belt drive.

[0009] Preferably, a fourth servo motor is fixedly installed on the bottom layer screening cross frame. The output end of the fourth servo motor is fixedly connected with a fourth driving wheel.

[0010] Preferably, a plurality of screening rollers are respectively arranged on each layer of screening cross frame. A screening conveyor belt is arranged on each layer of screening rollers.

[0011] Preferably, two bottom layer driven wheels are respectively fixedly connected to the ends of one of the screening rollers on the bottom layer screening cross frame. Two middle layer driven wheels are respectively fixedly connected to the ends of one of the screening rollers on the middle layer screening cross frame. A top layer driven wheel is respectively fixedly connected to the ends of one of the screening rollers on the top layer screening cross frame.

[0012] Preferably, the fourth driving wheel and one of the bottom layer driven wheels are connected by belt drive, another bottom layer driven wheel and one of the middle layer driven wheels are connected by belt drive, and another middle layer driven wheel and the top layer driven wheel are connected by belt drive; The inclination angles of the two distance sensors are equal.

[0013] Preferably, the support skeleton is fixedly connected to the main road cross frame, the flipping cross frame and the three-layer screening cross frame respectively, and the first telescopic rod is movably connected to the bottom of the support skeleton.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. When the pressure value detected by one of the third pressure sensors increases, it indicates that the center of gravity of the cargo box deviates from the conveying center line. At this time, the free end of the second telescopic rod at this position is started to extend, and the offset cargo box is pushed to the center line position through the second telescopic rod.

[0015] 2. When the detection distance of one of the distance sensors is larger and the detection distance of the other distance sensor is smaller, it indicates that the cargo box is tilted at an angle. At this time, only the rotation speed of the corresponding third servo motor needs to be increased. Then, the corresponding third servo motor changes the conveying speed of the separation conveyor belt through the split roller shaft, changes the conveying speed difference between the two separation conveyor belts, and corrects the cargo box tilted at an angle.

[0016] 3. When the pressure value detected by the third pressure sensor becomes larger, it indicates that the weight of the cargo box is larger, and the free end of the first telescopic rod drives the angle of the flipping cross frame to flip downward, and the cargo box is conveyed to the bottom layer screening conveyor belt through the separation conveyor belt; when the pressure value detected by the third pressure sensor becomes smaller, it indicates that the weight of the cargo box is smaller, and the free end of the first telescopic rod drives the angle of the flipping cross frame to flip upward. Therefore, this conveyor can screen the weight of the cargo box.

[0017] 4. When the cargo box needs to be flipped, when the cargo box presses on the third pressure sensor, the second servo motor is stopped from starting. At this time, only the free end of the first telescopic rod needs to be started to extend, driving the flipping cross frame to further flip the angle, and the cargo box is flipped clockwise. At this time, the cargo box is flipped from the separation conveyor belt to the main road conveyor belt. If the cargo box is to be flipped continuously, at this time, the free end of the first telescopic rod is started to contract, and the second servo motor is restarted. Then, the flipped cargo box is conveyed from the main road conveyor belt to the separation conveyor belt by the main road conveyor belt, and the cargo rack is flipped clockwise again, and the cargo box can be flipped multiple times according to requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention, and do not constitute a limitation to the present invention. In the drawings: Figure 1 is one of the schematic diagrams of the main structure in the present invention; Figure 2 is the second schematic diagram of the main structure in the present invention; Figure 3 is the third schematic diagram of the main structure in the present invention; Figure 4 In the present invention Figure 3 Schematic diagram of the enlarged structure at A in Figure 5 Schematic diagram IV of the main structure in the present invention; Figure 6 Schematic diagram of the side view structure in the present invention; Figure 7 Schematic diagram of the front sectional structure in the present invention; Figure 8 Schematic diagram I of the structure of the flipping assembly in the present invention; Figure 9 Schematic diagram II of the structure of the flipping assembly in the present invention; Figure 10 Schematic diagram I of the sectional structure of the flipping assembly in the present invention; Figure 11 Schematic diagram II of the sectional structure of the flipping assembly in the present invention; Figure 12 Schematic diagram of the support skeleton structure in the present invention.

[0019] In the figure: 1, support skeleton; 2, main road component; 201, main road cross frame; 202, second servo motor; 203, second driving wheel; 204, main road roller shaft; 205, main road conveyor belt; 206, second driven wheel; 3, flipping assembly; 301, first telescopic rod; 302, flipping cross frame; 303, third servo motor; 304, split roller shaft; 305, pin; 306, separation conveyor belt; 307, flipping bracket; 308, third pressure sensor; 309, third driving wheel; 310, third driven wheel; 311, second telescopic rod; 4, screening component; 401, screening cross frame; 402, fourth servo motor; 403, fourth driving wheel; 404, screening roller shaft; 405, screening conveyor belt; 406, bottom layer driven wheel; 407, middle layer driven wheel; 408, top layer driven wheel; 409, distance sensor. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention. Embodiment

[0021] Please refer to Figures 1-12 , the present invention provides the following technical solutions: A turnover and discharging conveyor for storage goods, comprising a support skeleton 1, a turnover assembly 3 is arranged on the support skeleton 1. The turnover assembly 3 includes a first telescopic rod 301 and a turnover cross frame 302. The end of the turnover cross frame 302 is movably connected with a main path assembly 2, and a screening assembly 4 is arranged on the other side of the turnover cross frame 302; the support skeleton 1 is fixedly connected with the main path cross frame 201, the turnover cross frame 302 and the three-layer screening cross frame 401 respectively, and the first telescopic rod 301 is movably connected with the bottom of the support skeleton 1.

[0022] Reference Figure 8 , 9 , 10 and 11, the free end of the first telescopic rod 301 is movably connected with the end of the turnover cross frame 302. Two No. 3 servo motors 303 are arranged below the turnover cross frame 302. Two groups of split rollers 304 are arranged inside the turnover cross frame 302. A pin 305 is arranged inside the two groups of split rollers 304. Separation conveyor belts 306 are respectively arranged on the two groups of split rollers 304. The ends of two of the split rollers 304 are provided with turnover brackets 307. A No. 3 pressure sensor 308 is arranged at the bottom of the turnover bracket 307. The output end of the No. 3 servo motor 303 is provided with a No. 3 driving wheel 309. One of the split rollers 304 is fixedly connected with a No. 3 driven wheel 310. The No. 3 driving wheel 309 and the No. 3 driven wheel 310 are connected by belt drive; both sides of the turnover cross frame 302 are fixedly connected with second telescopic rods 311.

[0023] The screening assembly 4 includes a three-layer screening cross frame �01. The positions of each layer of the screening cross frame 401 are arranged from top to bottom in sequence as the top layer, the middle layer and the bottom layer. Two distance sensors 409 are arranged on the top layer screening cross frame 401.

[0024] More specifically, when there is a pressure difference detected by the two No. 3 pressure sensors 308, if the detected pressure value of one of the No. 3 pressure sensors 308 increases, it indicates that the center of gravity of the cargo box deviates from the transmission center line. At this time, the free end of the second telescopic rod 311 at this place is started to extend, and the offset cargo box is pushed to the center line position through the second telescopic rod 311.

[0025] When the two distance sensors 409 detect the distance of the same cargo box, if the detected distance of one of the distance sensors 409 is larger and the detected distance of the other distance sensor 409 is smaller, it indicates that the cargo box is tilted at an angle. At this time, only the rotational speed of the No. 3 servo motor 303 corresponding to this place needs to be increased. Then the corresponding No. 3 servo motor 303 changes the transmission speed of the separation conveyor belt 306 through the split roller 304, changes the transmission speed difference between the two separation conveyor belts 306, and corrects the cargo box tilted at an angle.

[0026] When the pressure value detected by the third pressure sensor 308 increases, it indicates that the weight of the cargo box is relatively large. At this time, the free end of the first telescopic rod 301 starts to contract, driving the free end of the first telescopic rod 301 to drive the flipping cross frame 302 to flip downward. Through the continuous synchronous rotation of the two third servo motors 303, the cargo box is conveyed onto the bottom layer screening conveyor belt 405 through the separation conveyor belt 306, and then the flipping cross frame 302 is reset. When the pressure value detected by the third pressure sensor 308 decreases, it indicates that the weight of the cargo box is relatively small. At this time, the free end of the first telescopic rod 301 starts to extend, and the free end of the first telescopic rod 301 drives the flipping cross frame 302 to flip upward, and the cargo box is conveyed onto the top layer screening conveyor belt 405 through the separation conveyor belt 306, and then the flipping cross frame 302 is reset. Therefore, this conveyor can screen the weight of the cargo box.

[0027] When the cargo box needs to be flipped, when the cargo box exerts pressure on the third pressure sensor 308, the third pressure sensor 308 generates a pressure value, indicating that the cargo box is on the separation conveyor belt 306 at this time, and the second servo motor 202 is stopped. At this time, only the free end of the first telescopic rod 301 needs to be extended to drive the flipping cross frame 302 to further flip, so that the included angle between the flipping cross frame 302 and the main road cross frame 201 is 90 degrees. When the flipping cross frame 302 flips, the cargo box is flipped clockwise. At this time, the cargo box is flipped from the separation conveyor belt 306 to the main road conveyor belt 205. If the cargo box continues to be flipped, at this time, the free end of the first telescopic rod 301 is contracted, so that the included angle between the flipping cross frame 302 and the main road cross frame 201 is 180 degrees, and then the second servo motor 202 is restarted. Then, the flipped cargo box is conveyed to the separation conveyor belt 306 by the main road conveyor belt 205, and the cargo rack is flipped clockwise again, and the cargo box can be flipped multiple times according to requirements.

[0028] Reference Figure 1 、 4 Referring to FIGS. 6 and 7, the main road assembly 2 includes a main road cross frame 201, a second servo motor 202 is fixedly installed on the main road cross frame 201, and a second driving wheel 203 is fixedly installed at the output end of the second servo motor 202; a second driven wheel 206 is fixedly installed on one of the main road roller shafts 204, and the second driving wheel 203 is connected to the second driven wheel 206 through a belt drive; a plurality of main road roller shafts 204 are arranged on the main road cross frame 201, and a main road conveyor belt 205 is arranged on the plurality of main road roller shafts 204.

[0029] More specifically, when the second servo motor 202 is started, the output end of the second servo motor 202 drives the second driving wheel 203 to rotate, the second driving wheel 203 drives the second driven wheel 206 to rotate through a belt, the second driven wheel 206 drives one of the main road roller shafts 204 to rotate, and the main road roller shaft 204 drives the main road conveyor belt 205 to convey, facilitating the transportation of the cargo box.

[0030] Reference Figure 1 、 2 、5, 6, and 7, a fourth servo motor 402 is fixedly installed on the bottom layer screening cross frame 401, the output end of the fourth servo motor 402 is fixedly connected to a fourth driving wheel 403, a plurality of screening roller shafts 404 are respectively arranged on each layer of screening cross frame 401, a screening conveyor belt 405 is arranged on each layer of screening roller shaft 404, the screening conveyor belt 405 includes a bottom layer screening conveyor belt 405, a middle layer screening conveyor belt 405, and a top layer screening conveyor belt 405, the ends of one of the screening roller shafts 404 on the bottom layer screening cross frame 401 are respectively fixedly connected to two bottom layer driven wheels 406, the ends of one of the screening roller shafts 404 on the middle layer screening cross frame 401 are respectively fixedly connected to two middle layer driven wheels 407, the ends of one of the screening roller shafts 404 on the top layer screening cross frame 401 are respectively fixedly connected to top layer driven wheels 408, the fourth driving wheel 403 is in belt drive connection with one of the bottom layer driven wheels 406, one of the bottom layer driven wheels 406 is in belt drive connection with one of the middle layer driven wheels 407, and the other middle layer driven wheels 407 are in belt drive connection with the top layer driven wheels 408.

[0031] More specifically, when the fourth servo motor 402 is started, the fourth servo motor 402 drives the fourth driving wheel 403 to rotate, the fourth driving wheel 403 drives the two bottom layer driven wheels 406 to rotate through a belt, the bottom layer driven wheels 406 drive one of the bottom layer screening roller shafts 404 to rotate, and then the bottom layer screening roller shaft 404 drives the bottom layer conveyor belt 405 to convey; the bottom layer driven wheels 406 drive the middle layer driven wheels 407 to rotate through a belt, the middle layer driven wheels 407 drive one of the middle layer screening roller shafts 404 to rotate, and then the middle layer screening roller shaft 404 drives the middle layer screening conveyor belt 405 to convey; the middle layer driven wheels 407 drive the top layer driven wheels 408 to rotate through a belt, the middle layer driven wheels 407 drive one of the middle layer screening roller shafts 404 to rotate, and then the middle layer screening roller shaft 404 drives the middle layer screening conveyor belt 405 to convey, facilitating the conveyance of cargo boxes of different weights.

[0032] The working principle and usage process of the present invention are as follows: When the cargo box is being conveyed, it is likely to shift in position, and then the cargo box is not conveyed on the walking center line. As a result, the center of gravity of the cargo box shifts from the walking center line, affecting the conveyance. When there is a pressure difference detected by the two No. 3 pressure sensors 308, if the detected pressure value of one of the No. 3 pressure sensors 308 increases, it indicates that the center of gravity of the cargo box has shifted from the conveyance center line. At this time, the free end of the second telescopic rod 311 at this location extends, and the offset cargo box is pushed to the center line position through the second telescopic rod 311.

[0033] When the cargo box is being conveyed, if the cargo box tilts at an angle, it cannot be corrected, affecting the conveyance. When the two distance sensors 409 detect the distance of the same cargo box, if the detected distance of one of the distance sensors 409 is larger and the detected distance of the other distance sensor 409 is smaller, it indicates that the cargo box tilts at an angle. At this time, it only needs to increase the rotation speed of the corresponding No. 3 servo motor 303 at this location. Then, the corresponding No. 3 servo motor 303 changes the conveyance speed of the separation conveyor belt 306 through the split roller shaft 304, changes the conveyance speed difference between the two separation conveyor belts 306, and corrects the cargo box that tilts at an angle.

[0034] When the cargo box is being conveyed, the weight of the cargo box is sometimes too large and sometimes too small, and usually it cannot be screened. When the detected pressure value of the No. 3 pressure sensor 308 becomes larger, it indicates that the weight of the cargo box is larger. At this time, the free end of the first telescopic rod 301 retracts, and the free end of the first telescopic rod 301 drives the angle of the flipping cross frame 302 to flip downward. Through the continuous synchronous rotation of the two No. 3 servo motors 303, and the cargo box is conveyed to the bottom layer screening conveyor belt 405 through the separation conveyor belt 306, and then the flipping cross frame 302 is reset. When the detected pressure value of the No. 3 pressure sensor 308 becomes smaller, it indicates that the weight of the cargo box is smaller. At this time, the free end of the first telescopic rod 301 of the motor extends, the free end of the first telescopic rod 301 drives the angle of the flipping cross frame 302 to flip upward, and the cargo box is conveyed to the top layer screening conveyor belt 405 through the separation conveyor belt 306, and then the flipping cross frame 302 is reset. Therefore, this conveyor can screen the weight of the cargo box.

[0035] When the cargo box is being conveyed, generally the cargo box needs to be turned to the front side. According to the requirements, the cargo box is turned to ensure the normal conveyance of the cargo box. When it is necessary to turn the cargo box, when the cargo box presses on the third pressure sensor 308, the third pressure sensor 308 generates a pressure value, indicating that the cargo box is on the separation conveyor belt 306 at this time. Then the second servo motor 202 is stopped from starting. At this time, only the free end of the first telescopic rod 301 needs to be extended to drive the turning cross frame 302 to further turn the angle, so that the angle between the turning cross frame 302 and the main road cross frame 201 is 90 degrees. When the turning cross frame 302 turns, the cargo box is turned clockwise. At this time, the cargo box is turned from the separation conveyor belt 306 to the main road conveyor belt 205. If the cargo box is to be turned continuously, at this time, the free end of the first telescopic rod 301 is contracted to make the angle between the turning cross frame 302 and the main road cross frame 201 180 degrees, and then the second servo motor 202 is restarted. Then the turned cargo box is conveyed to the separation conveyor belt 306 by the main road conveyor belt 205, and the cargo rack turns clockwise again. The cargo box can be turned multiple times according to the requirements.

[0036] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A tipping and discharging conveyor for storage goods, comprising a support framework, characterized in that: A flipping component is arranged on the support framework. The flipping component includes a first telescopic rod and a flipping cross-frame. The end of the flipping cross-frame is movably connected with a main path component, and a screening component is arranged on the other side of the flipping cross-frame. The free end of the first telescopic rod is movably connected with the end of the flipping cross-frame. Two No. 3 servo motors are arranged below the flipping cross-frame. Two groups of split roller shafts are arranged inside the flipping cross-frame. A pin is arranged inside the two groups of split roller shafts. Separation conveyor belts are respectively arranged on the two groups of split roller shafts. The ends of two of the split roller shafts are provided with flipping brackets. A No. 3 pressure sensor is arranged at the bottom of the flipping bracket. The output end of the No. 3 servo motor is provided with a No. 3 driving wheel. One of the split roller shafts is fixedly connected with a No. 3 driven wheel. The No. 3 driving wheel and the No. 3 driven wheel are connected by a belt drive. Second telescopic rods are fixedly connected to both sides of the flipping cross-frame. The screening component includes three layers of screening cross-frames. The positions of each layer of screening cross-frame are arranged from top to bottom as the top layer, the middle layer and the bottom layer in sequence. Two distance sensors are arranged on the top layer screening cross-frame.

2. The turnover and discharging conveyor for storage goods according to claim 1, characterized in that: The main path component includes a main path cross-frame. A No. 2 servo motor is fixedly installed on the main path cross-frame. The output end of the No. 2 servo motor is fixedly installed with a No. 2 driving wheel.

3. The tipping and discharging conveyor for storage goods according to claim 1, wherein: A plurality of main path roller shafts are arranged on the main path cross-frame. A main path conveyor belt is arranged on the plurality of main path roller shafts.

4. A turnover and discharging conveyor for storage goods according to claim 1, characterized in that: One of the main path roller shafts is fixedly installed with a No. 2 driven wheel. The No. 2 driving wheel and the No. 2 driven wheel are connected by a belt drive.

5. The turnover and discharging conveyor for storage goods according to claim 1, wherein: A No. 4 servo motor is fixedly installed on the bottom layer screening cross-frame. The output end of the No. 4 servo motor is fixedly connected with a No. 4 driving wheel.

6. The turnover and discharging conveyor for storage goods according to claim 1, characterized in that: A plurality of screening roller shafts are respectively arranged on each layer of screening cross-frame. Screening conveyor belts are arranged on each layer of screening roller shafts.

7. A turnover and discharging conveyor for storage goods according to claim 6, characterized in that: The ends of one of the screening roller shafts on the bottom layer screening cross-frame are respectively fixedly connected with two bottom layer driven wheels. The ends of one of the screening roller shafts on the middle layer screening cross-frame are respectively fixedly connected with two middle layer driven wheels. The ends of one of the screening roller shafts on the top layer screening cross-frame are respectively fixedly connected with top layer driven wheels.

8. A turnover and discharging conveyor for storage goods according to claim 7, characterized in that: The No. 4 driving wheel and one of the bottom layer driven wheels are connected by a belt drive. The other bottom layer driven wheel and one of the middle layer driven wheels are connected by a belt drive. The other middle layer driven wheel and the top layer driven wheel are connected by a belt drive. The tilting angles of the two distance sensors are equal.

9. The turnover and discharging conveyor for storage goods according to claim 1, wherein: The support framework is fixedly connected with the main path cross-frame, the flipping cross-frame and the three layers of screening cross-frames respectively. The first telescopic rod is movably connected with the bottom of the support framework.

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