Concrete packaging, discharging and transporting device

Abstract

The utility model relates to the technical field of concrete dry material packaging and transporting, in particular to a concrete packaging, discharging and transporting device which comprises a filling and packaging device, a material bag conveyor, an inspection marking table, a loading and transporting conveyor, a storage area conveyor and a main control table. The filling and packaging device comprises a rack, a storage bin, a discharging electric control valve, a filling and metering device, a flow electric control valve and a bagging and packaging device, the storage bin capable of being communicated with a discharging port of the concrete dry material stirring device is arranged at the upper end of the rack, and the discharging electric control valve is arranged at a discharging port of the storage bin. The automatic filling and packaging system is reasonable and compact in structure and convenient to use, automatic filling, packaging, marking and discharging transportation are achieved by controlling the filling and packaging device, the material bag conveyor, the inspection and marking table, the loading and transporting conveyor and the storage area conveyor to work in an automatic coordination mode, the labor amount of filling personnel can be greatly reduced, the working quality is guaranteed, and the production efficiency is improved. Meanwhile, the working efficiency is remarkably improved, the labor cost is reduced, and the characteristics of safety, labor saving, simplicity, convenience and high efficiency are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete dry material packaging and transportation, and particularly to a concrete packaging discharging and transporting device. Background Art

[0002] Concrete for construction is usually mixed and stirred evenly with sand, cement, water and other additives at the construction site. However, there are problems such as large occupation of the site during operation and easy environmental pollution. Moreover, restricted by the technical level and experience of workers, it is difficult to accurately control the proportion of various components, which does not meet the standardized requirements. For large construction projects, concrete is usually stirred in a special site and then transported to the construction site. Since concrete is easy to solidify, special concrete mixer trucks must be used to transport the ready-mixed concrete, which greatly increases the transportation cost. At present, although there is also concrete dry material, that is, a mixture formed by evenly mixing powdered sand, cement and other additives according to a set ratio, and water is added and stirred when in use. Since its components have been pre-mixed in proportion, it is beneficial to the standardization of construction production, can significantly improve the construction efficiency, construction quality and reduce the construction cost. However, for the packaging and discharging work of the existing concrete dry material, such as filling, packing, inspection and marking, and discharging and transportation, still requires a large number of personnel to participate in the operation. Due to the large amount of dust and the relatively harsh working environment, on the one hand, the labor intensity of the relevant personnel is large, the labor is heavy, time-consuming and laborious, and it is not easy to ensure the work quality. On the other hand, the work efficiency is low and the labor cost is high. Summary of the Invention

[0003] The technical problem to be solved by the utility model is to provide a concrete packaging discharging and transporting device, which overcomes the above-mentioned deficiencies of the prior art, and can effectively solve the problems of large labor volume, time-consuming and laborious, difficult to ensure work quality, low work efficiency and high labor cost existing in the packaging and discharging work of the existing concrete dry material.

[0004] The technical solution adopted by the present utility model is as follows: A concrete packaging and discharging transportation device, comprising a filling and packing device, a bag conveyor, an inspection and marking table, a shipping conveyor, a storage area conveyor, and a general control console. The filling and packing device includes a frame, a storage bin, a discharging electric control valve, a filling and metering device, a flow electric control valve, and a bagging and packing device. A storage bin capable of communicating with the discharging port of the concrete dry material mixing device is provided at the upper end of the frame. A discharging electric control valve is provided at the discharging port of the storage bin. A filling and metering device is provided on the frame below the storage bin. The lower end outlet of the discharging electric control valve is connected to the inlet of the filling and metering device. A flow electric control valve is provided at the lower discharging port of the filling and metering device. A bagging and packing device capable of loading the concrete dry material into the packaging bag body and completing the sealing is provided on the frame below the filling and metering device. The discharging port of the flow electric control valve is connected to the filling nozzle of the bagging and packing device. A dust removal device is provided on the bagging and packing device. A bag outlet with a sealing door is provided at the front end of the bagging and packing device. A bag conveyor is provided corresponding to the lower part of the bag outlet. A marking machine is provided on the inspection and marking table at the right end of the bag conveyor. A shipping conveyor is provided at the right front part of the inspection and marking table. A transfer parking area capable of parking the transfer vehicle is provided at the front end of the shipping conveyor. A storage area conveyor is provided at the right part of the inspection and marking table. A product storage area is provided at the right end of the storage area conveyor. A general control console is provided near the inspection and marking table. The control terminals of the discharging electric control valve, the filling and metering device, the bagging and packing device, the bag conveyor, the marking machine, the shipping conveyor, and the storage area conveyor are respectively electrically connected to the general control console.

[0005] After adopting the above structure, the concrete packaging and discharging transportation device of the present utility model has the following advantages compared with the prior art:

[0006] 1. Greatly reduce the manual participation link, reduce the labor intensity of the staff, significantly improve the working environment, and significantly reduce the labor cost.

[0007] 2. Through automated operations, it can effectively ensure the work quality, achieve unified operation quality standards, and can also further reduce the auxiliary time for connecting each process, thus significantly improving the work efficiency.

[0008] The following is a further optimization and / or improvement of the above application technical solution:

[0009] Further, preferably, the bagging and packing device includes left and right bag rolling rollers, edge pressing and feeding rollers, a hot rolling edge device, and a sealing and shearing device. The left and right bag rolling rollers are symmetrically arranged on the left and right sides below the discharge port of the flow control electric valve. The packaging bag body includes a left sheet tape and a right sheet tape, which are respectively wound on the corresponding bag rolling rollers. Below the middle of the left and right bag rolling rollers, there are two pairs of edge pressing and feeding rollers for assisting the transmission of the tape. The two pairs of edge pressing and feeding rollers are respectively driven by motors and can clamp the two sides of the tape. Below the edge pressing and feeding rollers, there is a hot rolling edge device capable of hot rolling and combining the two sides of the two tapes together. Below the hot rolling edge device, there is a sealing and shearing device. The sealing and shearing device includes a shearing head and hot rolling rollers located above and below the shearing head. Between the discharge port of the flow control electric valve and the bag rolling rollers, there is a guide joint. The lower end of the guide joint is provided with a filling nozzle, and the lower end of the filling nozzle is located inside the cavity of the packaging bag body and between the hot rolling edge device and the sealing and shearing device.

[0010] Further, preferably, an inclined guide plate is provided at the lower end of the bagging and packing device. There is a sealed housing with an observation window outside the bagging and packing device and the inclined guide plate. The dust removal device is located inside the sealed housing and near the bag rolling rollers. The bag outlet is located at the lower right end of the sealed housing. The upper end of the sealed door is hinged on the sealed housing above the outside of the bag outlet. The bag conveyor is located below the right of the sealed door.

[0011] Further, preferably, the inspection and marking table includes an inspection table body, an inspection conveyor belt, a baffle seat, and a reversing baffle. In the middle of the inspection table body, there is an inspection conveyor belt capable of conveying materials from left to right. The marking machine is located at the middle rear side of the inspection conveyor belt and can perform inkjet marking on the packaging bag body. At the front side of the right part of the inspection conveyor belt, there is a baffle seat and a reversing baffle is installed. The reversing baffle is arranged in the front-rear direction to transfer the materials on the inspection conveyor belt to the shipping conveyor, or the reversing baffle is arranged in the left-right direction to transfer the materials on the inspection conveyor belt to the storage area conveyor.

[0012] Further, preferably, a defective product conveyor belt is provided at the rear side of the left part of the inspection and marking table. The rear end of the defective product conveyor belt is provided with a defective product storage place. At the front side of the left part of the inspection conveyor belt corresponding to the front end position of the defective product conveyor belt, there is a pushing device. The pushing device includes a pushing cylinder and a pushing plate provided at the end of the piston rod of the pushing cylinder. The pushing plate can move in the front-rear direction to transfer the materials with defective sealing to the defective product conveyor belt.

[0013] Further, preferably, the bag conveyor includes a conveyor belt frame and a bag conveyor belt. The bag conveyor belt is installed at the upper end of the conveyor belt frame. One end of the bag conveyor belt is located below the bag outlet of the filling and packing device, and the other end of the bag conveyor belt is located above the left end of the inspection conveyor belt of the inspection and marking table.

[0014] Further, preferably, the packaging bag body is a plastic packaging bag or a composite packaging bag of kraft paper woven bag.

[0015] The structure of the utility model is reasonable and compact, and it is convenient to use. It controls the automatic coordinated operation of the filling and packing device, the material bag conveyor, the inspection and marking table, the shipping conveyor, and the storage area conveyor through the main control console, realizes automatic filling, packing, marking, and discharging and transportation, can greatly reduce the labor intensity of the filling personnel, ensure the work quality, and at the same time significantly improve the work efficiency and reduce the labor cost. It has the characteristics of safety, labor-saving, simplicity, and high efficiency. Brief Description of the Drawings

[0016] Figure 1 It is a top view structural schematic diagram of Embodiments 1-6 of the utility model;

[0017] Figure 2 is Figure 1 An enlarged A-direction structural schematic diagram of the filling and packing device in

[0018] Legend: 1 is the filling and packing device, 2 is the material bag conveyor, 3 is the inspection and marking table, 4 is the shipping conveyor, 5 is the storage area conveyor, 6 is the main control console, 7 is the frame, 8 is the storage bin, 9 is the discharge electric control valve, 10 is the filling metering device, 11 is the flow electric control valve, 12 is the filling nozzle, 13 is the dust removal device, 14 is the sealing door, 15 is the bag outlet, 16 is the marking machine, 17 is the transfer parking place, 18 is the product storage place, 19 is the bag rolling roller, 20 is the edge pressing and feeding roller, 21 is the hot rolling edge device, 22 is the sealing and shearing device, 23 is the shearing head, 24 is the hot rolling roller, 25 is the guide joint, 26 is the inclined guide plate, 27 is the sealing cover, 28 is the inspection conveyor belt, 29 is the baffle seat, 30 is the reversing baffle, 31 is the defective product conveyor belt, 32 is the defective product storage place, 33 is the pushing cylinder, 34 is the pushing plate, 35 is the conveyor belt rack. Detailed Embodiments

[0019] The utility model will be further described below in conjunction with the drawings and specific embodiments.

[0020] Embodiment 1:

[0021] According to the attached instructions Figure 1-2As shown in the figure, the utility model provides a concrete packaging and discharging transportation device, which includes a filling and packing device 1, a bag conveyor 2, an inspection and marking table 3, a shipping conveyor 4, a storage area conveyor 5 and a general control console 6. The filling and packing device 1 includes a frame 7, a storage bin 8, a discharging electric control valve 9, a filling and metering device 10, a flow electric control valve 11 and a bagging and packing device. At the upper end of the frame 7, there is a storage bin 8 that can be connected to the discharging port of the concrete dry material mixing device. At the discharging port of the storage bin 8, there is a discharging electric control valve 9. On the frame 7 below the storage bin 8, there is a filling and metering device 10. The lower end outlet of the discharging electric control valve 9 is connected to the feeding port of the filling and metering device 10. At the lower discharging port of the filling and metering device 10, there is a flow electric control valve 11. On the frame 7 below the filling and metering device 10, there is a bagging and packing device that can load the concrete dry material into the packaging bag body and complete the sealing. The discharging port of the flow electric control valve 11 is connected to the filling nozzle 12 of the bagging and packing device. There is a dust removal device 13 on the bagging and packing device. At the front end of the bagging and packing device, there is a bag outlet 15 with a sealing door 14. Corresponding to the lower part of the bag outlet 15, there is a bag conveyor 2. At the right end of the bag conveyor 2, there is an inspection and marking table 3. On the inspection and marking table 3, there is a marking machine 16. At the right front part of the inspection and marking table 3, there is a shipping conveyor 4. At the front end of the shipping conveyor 4, there is a transfer parking place 17 where the transfer vehicle can park. At the right part of the inspection and marking table 3, there is a storage area conveyor 5. At the right end of the storage area conveyor 5, there is a product storage place 18. Near the inspection and marking table 3, there is a general control console 6. The control terminals of the discharging electric control valve 9, the filling and metering device 10, the bagging and packing device, the bag conveyor 2, the marking machine 16, the shipping conveyor 4 and the storage area conveyor 5 are respectively electrically connected to the general control console 6. The general control console 6 is an automatic control device that can achieve centralized control. By setting the program, it can realize the coordinated work of each component. By opening the discharging electric control valve 9, the concrete is discharged at a uniform speed. The concrete enters the filling and metering device 10. After the real-time weighing reaches the set standard weight, the discharging electric control valve 9 is automatically closed. Then, by opening the flow electric control valve 11, the concrete uniformly falls into the packaging bag body from the filling nozzle 12 of the bagging and packing device. When the bagging is completed, the bagging and packing device realizes sealing and packing. The packaging bag body is conveyed to the inspection and marking table 3 through the bag conveyor 2, and then is sent to the transfer parking place 17 through the shipping conveyor 4 for loading, or is conveyed to the product storage place 18 through the storage area conveyor 5. Through the automatic control of the general control console 6, the filling and packing device 1, the bag conveyor 2, the inspection and marking table 3, the shipping conveyor 4 and the storage area conveyor 5 are coordinated to operate, realizing automatic filling, packing, inspection and marking, and discharging and transportation. It can greatly reduce the labor intensity of the filling personnel, ensure the work quality, and at the same time significantly improve the work efficiency and reduce the labor cost. It has the characteristics of safety, labor-saving, simplicity and high efficiency.

[0022] Embodiment 2:

[0023] According to the appended drawings of the specificationFigure 1-2 As shown in the figure, the difference between this embodiment and Embodiment 1 is that the bagging and packing device includes left and right bag rolling rollers 19, edge pressing and feeding rollers 20, a hot rolling edge device 21, and a sealing and shearing device 22. The left and right bag rolling rollers 19 are symmetrically arranged on the left and right sides below the discharge port of the flow control valve 11. The packaging bag body includes a left strip and a right strip and is respectively wound on the corresponding bag rolling rollers 19. Below the middle of the left and right bag rolling rollers 19, there are two pairs of edge pressing and feeding rollers 20 for assisting in the transmission of the strip. The two pairs of edge pressing and feeding rollers 20 are respectively driven by motors and can clamp the two sides of the strip. Below the edge pressing and feeding rollers 20, there is a hot rolling edge device 21 that can hot roll the two sides of the two strips together. Below the hot rolling edge device 21, there is a sealing and shearing device 22. The sealing and shearing device 22 includes a shearing head 23 and hot rolling rollers 24 located above and below the shearing head 23. Between the discharge port of the flow control valve 11 and the bag rolling rollers 19, there is a guide joint 25. The lower end of the guide joint 25 is provided with a filling nozzle 12. The lower end of the filling nozzle 12 is located inside the cavity of the packaging bag body and between the hot rolling edge device 21 and the sealing and shearing device 22. The packaging bag body is composed of two left and right strips, which is convenient for rolling and storing the strip-shaped material. The front and rear ends of the left strip and the right strip are hot rolled together by the hot rolling edge device 21. After the hot rolling rollers 24 of the sealing and shearing device 22 roll the two left and right strips together, the shearing head 23 cuts off the rolled area. The rolled area above the cut-off position forms the bottom of the bag, and the rolled area below the shearing position of the shearing head 23 forms the sealing area, that is, the hot rolling and sealing of the packaging bag body filled with concrete is completed, which is more simple and convenient to use.

[0024] Embodiment 3:

[0025] According to the attached drawings of the specification Figure 1-2 As shown in the figure, the difference between this embodiment and Embodiments 1-2 is that an inclined guide plate 26 is provided at the lower end of the bagging and packing device. There is a sealed housing 27 with an observation window outside the bagging and packing device and the inclined guide plate 26. The dust removal device 13 is located inside the sealed housing 27 and near the bag rolling rollers 19. The bag outlet 15 is located at the lower right end of the sealed housing 27. The upper end of the sealed door 14 is hinged on the sealed housing 27 above the outside of the bag outlet 15. The bag conveyor 2 is located below the right of the sealed door 14. Through the inclined guide plate 26, the bagged concrete after the packaging bag body is sealed can be sent out through the sealed door 14 and slide onto the bag conveyor 2. Through the observation window, it is convenient to observe the filling and sealing process of the bagging and packing device. Through the sealed housing 27, dust can be prevented from escaping. Through the dust removal device 13, the dust during filling can be effectively adsorbed and recycled.

[0026] Embodiment 4:

[0027] According to the attached drawings of the specification Figure 1-2As shown in the figure, the difference between this embodiment and Embodiments 1-3 lies in that the inspection and marking table 3 includes an inspection table body, an inspection conveyor belt 28, a baffle card seat 29, and a reversing baffle 30. In the middle of the inspection table body, there is an inspection conveyor belt 28 capable of conveying materials from left to right. The marking machine 16 is located at the rear side of the middle of the inspection conveyor belt 28 and can perform inkjet marking on the packaging bag body. There is a baffle card seat 29 on the front side of the right part of the inspection conveyor belt 28 and a reversing baffle 30 is installed. The reversing baffle 30 is arranged in the front-back direction to transfer the materials on the inspection conveyor belt 28 to the loading conveyor 4, or the reversing baffle 30 is arranged in the left-right direction to transfer the materials on the inspection conveyor belt 28 to the storage area conveyor 5. The inspection conveyor belt 28 can classify and dispose of the packaged bagged concrete. The qualified products are subjected to inkjet marking. Through the marking machine 16, inkjet marking can be carried out, and information such as packaging date, validity period, inspector code, qualified mark, and origin code can be generated by inkjet. Then, according to the need, adjust the position of the reversing baffle 30. When it is necessary to directly load the bagged concrete onto the vehicle, adjust the reversing baffle 30 to the front-back direction to transfer the materials on the inspection conveyor belt 28 to the loading conveyor 4. When it is necessary to send the bagged concrete to the product storage area 18, adjust the reversing baffle 30 to the left-right direction to transfer the materials on the inspection conveyor belt 28 to the storage area conveyor 5.

[0028] Embodiment 5:

[0029] According to the attached instructions Figure 1-2 As shown in the figure, the difference between this embodiment and Embodiments 1-4 lies in that there is a defective product conveyor belt 31 at the rear side of the left part of the inspection and marking table 3. There is a defective product storage area 32 at the rear end of the defective product conveyor belt 31. At the front side of the left part of the inspection conveyor belt 28 corresponding to the front end position of the defective product conveyor belt 31, there is a pushing device. The pushing device includes a pushing cylinder 33 and a pushing plate 34 provided at the end of the piston rod of the pushing cylinder 33. The pushing plate 34 can move in the front-back direction to transfer the materials with defective sealing to the defective product conveyor belt 31. According to actual needs, a camera for real-time monitoring can be set on the inspection and marking table 3, which can automatically collect images and analyze whether there is material leakage in the packaging bag body to achieve automatic inspection. Then, control the pushing cylinder 33 of the pushing device to operate and eliminate defective packages. By setting the pushing device and the defective product conveyor belt 31, the bagged concrete with defective sealing can be eliminated and conveyed to the defective product storage area 32, waiting for subsequent re-feeding, weighing, and sealing treatment.

[0030] Embodiment 6:

[0031] According to the attached instructions Figure 1-2As shown in the figure, the difference between this embodiment and Embodiments 1-5 is that the bag conveyor 2 includes a conveyor belt frame 35 and a bag conveyor belt. The bag conveyor belt is installed at the upper end of the conveyor belt frame 35. One end of the bag conveyor belt is located below the bag outlet 15 of the filling and packing device 1, and the other end of the bag conveyor belt is located above the left end of the inspection conveyor belt 28 of the inspection and marking table 3. The bag conveyor belt of the bag conveyor 2 can smoothly convey the concrete packaging bags filled and sealed by the filling and packing device 1 from a lower place to a higher place onto the inspection conveyor belt 28 of the inspection and marking table 3, and at the same time, it is convenient to observe whether the sealing is intact and whether there is any material leakage.

[0032] According to actual needs, the packaging bag body is a plastic packaging bag or a composite packaging bag of kraft paper woven bag. The plastic packaging bag or the composite packaging bag of kraft paper woven bag has certain durability and waterproof performance, and is suitable for the packaging of concrete.

[0033] This utility model is represented with reference to the attached Figure 1 instructions. The directional terms such as "upper", "lower", "left", "right", "top", "bottom", etc. mentioned therein are only for better and clearer explanation and understanding of this utility model, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to this utility model.

[0034] The above describes the preferred embodiments of this utility model, but it cannot be understood as a limitation to the claims. This utility model is not limited to the above embodiments, and its specific structure allows for changes. All changes made within the protection scope of the independent claims of this utility model are within the protection scope of this utility model.

Claims

1. A concrete packaging, discharging and transporting device, characterized in that: It includes a filling and packaging device, a bag conveyor, an inspection and marking platform, a shipping conveyor, a storage area conveyor and a main control console. The filling and packaging device includes a frame, a storage bin, a discharge electric control valve, a filling metering device, a flow electric control valve and a bagging and packaging device. The upper end of the frame is provided with a storage bin that can be connected to the discharge port of a concrete dry material mixing device, and a discharge electric control valve is provided at the discharge port of the storage bin. A filling and metering device is provided on the frame below the storage bin, and the lower end outlet of the discharge electric control valve is connected to the feed port of the filling and metering device. A flow electric control valve is provided at the discharge port below the filling and metering device. The frame below the filling and metering device is provided with a bagging and packaging device that can load concrete dry material into a packaging bag and complete the sealing. The discharge port of the flow electric control valve It is connected with the filling nozzle of the bagging and packaging device, the bagging and packaging device is provided with a dust removal device, the front end of the bagging and packaging device is provided with a bag outlet with a sealing door, a bag conveyor is provided below the corresponding bag outlet, an inspection and marking platform is provided at the right end of the bag conveyor, a marking machine is provided on the inspection and marking platform, a shipping conveyor is provided on the right front part of the inspection and marking platform, a transfer parking place for parking transfer vehicles is provided at the front end of the shipping conveyor, a storage area conveyor is provided on the right part of the inspection and marking platform, a product storage place is provided on the right end of the storage area conveyor, and a main control console is provided near the inspection and marking platform, and the control terminals of the discharge electric control valve, the filling and metering device, the bagging and packaging device, the bag conveyor, the marking machine, the shipping conveyor and the storage area conveyor are electrically connected to the main control console respectively.

2. A concrete packaging, discharging and transporting device according to claim 1, characterized in that: The bagging and packaging device includes left and right bag rolling rollers, a side pressing and feeding roller, a hot rolling device and a sealing and shearing device. The left and right bag rolling rollers are symmetrically arranged on the left and right sides below the discharge port of the flow electric control valve. The packaging bag body includes a left sheet material strip and a right sheet material strip, which are respectively rolled up on the corresponding bag rolling rollers. Two pairs of side pressing and feeding rollers for assisting the transmission of the material strips are arranged below the middle of the left and right bag rolling rollers. The two pairs of side pressing and feeding rollers are respectively driven by motors and can clamp the two sides of the material strips. A hot rolling device that can hot-roll the two sides of the two material strips together is arranged below the side pressing and feeding rollers. A sealing and shearing device is arranged below the hot rolling device. The sealing and shearing device includes a shearing head and hot rolling rollers located above and below the shearing head. A guide joint is arranged between the discharge port of the flow electric control valve and the bag rolling roller. A filling nozzle is arranged at the lower end of the guide joint. The lower end of the filling nozzle is located in the inner cavity of the packaging bag body and between the hot rolling device and the sealing and shearing device.

3. A concrete packaging, discharging and transporting device according to claim 2, characterized in that: An inclined guide plate is provided at the lower end of the bagging and packaging device, and a sealed cover shell with an observation window is provided outside the bagging and packaging device and the inclined guide plate. The dust removal device is located in the sealed cover shell and close to the bag rolling roller. The bag outlet is located at the lower right end of the sealed cover shell. The upper end of the sealed door is hinged on the sealed cover shell above the outer side of the bag outlet, and the bag conveyor is located at the lower right side of the sealed door.

4. A concrete packaging, discharging and transporting device according to claim 1, 2 or 3, characterized in that: The inspection and marking table includes an inspection table body, an inspection conveyor belt, a baffle holder and a reversing baffle. An inspection conveyor belt capable of conveying materials from left to right is provided in the middle of the inspection table body. The marking machine is located on the middle rear side of the inspection conveyor belt and can perform inkjet marking on the packaging bag body. A baffle holder is provided on the right front side of the inspection conveyor belt and a reversing baffle is installed. The reversing baffle is arranged along the front and rear direction to transfer the material on the inspection conveyor belt to the shipping conveyor, or the reversing baffle is arranged along the left and right direction to transfer the material on the inspection conveyor belt to the storage area conveyor.

5. A concrete packaging, discharging and transporting device according to claim 4, characterized in that: A defective product conveyor belt is provided on the left rear side of the inspection and marking table, a defective product storage place is provided at the rear end of the defective product conveyor belt, and a pushing device is provided on the left front side of the inspection conveyor belt corresponding to the front end position of the defective product conveyor belt. The pushing device includes a pushing cylinder and a pushing plate provided at the end of the piston rod of the pushing cylinder, and the pushing plate can move in the front and rear directions to transfer the poorly sealed materials to the defective product conveyor belt.

6. A concrete packaging, discharging and transporting device according to claim 4, characterized in that: The material bag conveyor includes a conveyor belt frame and a material bag conveyor belt. The material bag conveyor belt is installed on the upper end of the conveyor belt frame. One end of the material bag conveyor belt is located below the bag outlet of the filling and packaging device, and the other end of the material bag conveyor belt is located above the left end of the inspection conveyor belt of the inspection and marking table.

7. The concrete packaging, discharging and transporting device according to claim 5, characterized in that: The material bag conveyor includes a conveyor belt frame and a material bag conveyor belt. The material bag conveyor belt is installed on the upper end of the conveyor belt frame. One end of the material bag conveyor belt is located below the bag outlet of the filling and packaging device, and the other end of the material bag conveyor belt is located above the left end of the inspection conveyor belt of the inspection and marking table.

8. A concrete packaging, discharging and transporting device according to claim 1, 2 or 3, characterized in that: The packaging bag body is a plastic packaging bag or a kraft paper woven bag composite packaging bag.

9. The concrete packaging, discharging and transporting device according to claim 4, characterized in that: The packaging bag body is a plastic packaging bag or a kraft paper woven bag composite packaging bag.

10. The concrete packaging, discharging and transporting device according to claim 7, characterized in that: The packaging bag body is a plastic packaging bag or a kraft paper woven bag composite packaging bag.

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