Intelligent weighing and bag sewing system suitable for logistics

Abstract

The intelligent weighing and bag sewing system comprises a bag filling machine and a bag sewing machine, the bag filling machine comprises a top feeding hopper, a middle intelligent weighing structure and a bottom discharging hopper, the input end of the bag sewing machine is connected with the output end of the discharging hopper, and a plurality of supporting legs are arranged at the bottom of the discharging hopper; the intelligent weighing structure comprises a weighing device, a bearing plate is arranged at the bottom of the feeding hopper, a one-way valve is arranged in the middle of the bearing plate, one end of the weighing device is hinged to the top of the discharging hopper, and the other end of the weighing device abuts against the other side of the top of the discharging hopper. And an intelligent telescopic device for driving the weighing device is arranged at the bottom of the weighing device. According to the system, an intelligent weighing structure is arranged between the feeding hopper and the discharging hopper, the weight above a weighing device can be displayed in real time through electric connection with a controller, and the weight of bagged products can be controlled in real time.

Description

Technical Field

[0001] The invention relates to the field of bag sewing machines, and in particular to an intelligent weighing and bag sewing system suitable for logistics. Background Art

[0002] The bag filling machine is a highly efficient packaging equipment, which is widely used in the packaging process of various granules, powders, liquids and other materials. It can automatically complete the work of metering, filling, sealing, etc., effectively improving the packaging speed and accuracy, thus making the production more efficient and intelligent. In the existing bag filling machines, the bag sewing machine will be used to seal the bag after the filling is completed. Generally, the weight of the bag feeding is regulated by manual operation metering, and the weight of the bag feeding material is converted according to the material pushing speed and time. However, these metering methods cannot effectively and quickly obtain the bagged product of appropriate weight.

[0003] Therefore, it is necessary to design an intelligent weighing and bag sewing system suitable for logistics. Summary of the invention

[0004] In view of the technical defects existing in the background technology, the present invention proposes an intelligent weighing and bag sewing system suitable for logistics, which solves the above technical problems and meets the actual needs. The specific technical solution is as follows:

[0005] An intelligent weighing and bag sewing system suitable for logistics, comprising a bag filling machine and a bag sewing machine, the bag filling machine comprising an upper hopper at the top, an intelligent weighing structure in the middle and a lower hopper at the bottom, the input end of the bag sewing machine is connected to the output end of the lower hopper, a plurality of supporting feet are arranged at the bottom of the lower hopper, a controller for controlling the bag filling machine and the bag sewing machine is arranged on the outer surface of one of the supporting feet, the intelligent weighing structure comprises a weighing device, a bearing plate is arranged at the bottom of the upper hopper, a one-way valve is arranged in the middle of the bearing plate, one end of the weighing device is hinged to the top of the lower hopper and the other end is abutted against the other side of the top of the lower hopper, and an intelligent telescopic device for driving the weighing device is arranged at the bottom of the weighing device.

[0006] Furthermore, the controller includes a display screen and a plurality of debugging buttons, and the one-way valve, weighing device and intelligent telescopic device are all electrically connected to the controller.

[0007] Furthermore, the intelligent telescopic device includes a mounting block and a first telescopic rod, the mounting block is mounted on the inner wall of the lower hopper, one end of the first telescopic rod is fixedly connected to the mounting block and the other end is connected to the bottom of the weighing device.

[0008] Furthermore, the bag sewing machine includes a bag feeding device, a bag clamping device, a bag supporting device, a bag sewing head, a clamping device and a conveying device, and brackets are arranged on both sides of the conveying device. The bag feeding device is located on one side of the conveying device, the bag clamping device is installed at the bottom of the lower hopper, the bag supporting device is installed between the two brackets, and the clamping device and the bag sewing head are both installed between the two brackets and located at the rear end of the bag supporting device.

[0009] Furthermore, tracks are provided on the tops of the two brackets, and a support arm is provided between the two tracks. The bag-holding device includes an adsorption structure and an opening structure. The adsorption structure includes a first suction nozzle, a second suction nozzle cooperating with the first suction nozzle, and a mechanical arm. The mechanical arm is fixed on one side of the support arm and the driving end cooperates with the first suction nozzle. A first rotating head is provided at the connection between the mechanical arm and the first suction nozzle. The second suction nozzle is connected to the other side of the support arm through a second telescopic rod. The opening structure includes a third telescopic rod, a connecting block and two fourth telescopic rods. The third telescopic rod is installed at the bottom of the support arm and the driving end is fixedly connected to the connecting block. The two fourth telescopic rods are respectively installed at both ends of the connecting block. A second rotating head is provided at the connection between the connecting block and the second telescopic rod.

[0010] Furthermore, the bag clamping device includes two fixed blocks, two fifth telescopic rods and two clamps, the two fixed blocks are respectively installed on both sides of the lower hopper, one end of the fifth telescopic rod is fixedly connected to the bottom of the fixed block and the other end is connected to the clamp.

[0011] Furthermore, the bag feeding device is provided with a receiving groove, an opening is provided on a side of the receiving groove close to the conveying device, and limiting plates are provided on both sides of the opening.

[0012] Compared with the prior art, the intelligent weighing and bag sewing system suitable for logistics provided by the present invention has the following beneficial effects:

[0013] The present invention is an intelligent weighing and bag sewing system suitable for logistics. An intelligent weighing structure is arranged between an upper hopper and a lower hopper. The weight above the weighing device can be displayed in real time by being electrically connected to a controller. When the set weight value is reached, the one-way valve in the middle of the load-bearing plate is controlled to be closed. At the same time, the first telescopic rod is controlled to be shortened to drive the weighing device to tilt, so that the crops or other goods to be packaged on the weighing device fall into the packaging bag below the lower hopper, and are sent into the bag sewing machine through a conveying device for bagging operation. The weight of the bagged product can be controlled in real time, and the set weight value can be debugged by an external controller. Because it takes a certain time to close the one-way valve, the set weight value is lower than the actual weight of the goods after packaging. Therefore, after the weight value is set, the controller calculates and resets a threshold value according to the weight of the goods and the time when the goods fall. When the threshold value is reached, the one-way valve begins to close, so that the actual weight of the goods after packaging is equivalent to the set weight value. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is a structural schematic diagram of an intelligent weighing and bag sewing system suitable for logistics.

[0015] Figure 2 It is a side cross-sectional view of the bag filling machine of the present invention.

[0016] Figure 3 It is a transverse cross-sectional view and a vertical cross-sectional view of the bag-holding device of the present invention.

[0017] Figure 4 It is a schematic structural diagram of the bag feeding device of the present invention.

[0018] Among them, 1. bag filling machine, 2. bag sewing machine, 3. upper hopper, 4. lower hopper, 5. supporting foot, 6. controller, 7. weighing machine, 8. bearing plate, 9. one-way valve, 10. display screen, 11. debugging button, 12. mounting block, 13. first telescopic rod, 14. bag feeding device, 15. bag clamping device, 16. bag supporting device, 17. bag sewing machine head, 18. clamping device, 19. conveying device, 20. bracket, 21. track, 22. supporting arm, 23. first suction nozzle, 24. second suction nozzle, 25. mechanical arm, 26. first rotating head, 27. second telescopic rod, 28. third telescopic rod, 29. connecting block, 30. fourth telescopic rod, 31. second rotating head, 32. fixing block, 33. fifth telescopic rod, 34. clamp, 35. receiving groove, 36. opening, 37. limiting plate. DETAILED DESCRIPTION

[0019] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "middle", "inside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, it should be noted that, unless otherwise clearly specified and defined, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0020] The implementation modes of the present invention are described below in conjunction with the accompanying drawings and relevant embodiments. The implementation modes of the present invention are not limited to the following embodiments, and the present invention relates to relevant necessary components in the technical field, which should be regarded as the known technology in the technical field and can be known and mastered by the technical personnel in the technical field.

[0021] See also Figure 1-4, an intelligent weighing and bag sewing system suitable for logistics, including a bag filling machine 1 and a bag sewing machine 2, wherein the bag filling machine 1 is used to put goods into a bag, and the bag sewing machine 2 is used to seal the bag filled with goods. The bag filling machine 1 includes an upper hopper 3 at the top, an intelligent weighing structure in the middle, and a lower hopper 4 at the bottom, wherein the upper hopper 3 is used to put goods, the intelligent weighing structure is used to weigh the goods, and the lower hopper 4 is used to put the goods into the bag. The input end of the bag sewing machine 2 is connected to the output end of the lower hopper 4, and a plurality of supporting feet 5 are arranged at the bottom of the lower hopper 4, wherein a controller 6 for controlling the bag filling machine 1 and the bag sewing machine 2 is arranged on the outer surface of one of the supporting feet 5, and the parameters of the bag filling machine 1 and the bag sewing machine 2 can be adjusted through the controller 6. The intelligent weighing structure includes a weighing device 7, which is used to weigh the goods and transmit the weighing information to the controller 6 in real time. A bearing plate 8 is provided at the bottom of the upper hopper 3, and the bearing plate 8 is used to bear the weight of the goods. A one-way valve 9 is provided in the middle of the bearing plate 8, and the one-way valve 9 can make the goods in the upper hopper 3 flow to the weighing device 7. One end of the weighing device 7 is hinged to the top of the lower hopper 4 and the other end is abutted against the other side of the top of the lower hopper 4. The bottom of the weighing device 7 is provided with an intelligent telescopic device for driving the weighing device 7. The intelligent telescopic device can control the weighing device 7 to rise or fall. When it falls, the goods on the weighing device 7 can flow into the lower hopper 4 for bag filling operation. When it rises, the weighing device 7 can be weighed.

[0022] In one embodiment of the present invention, the controller 6 includes a display screen 10 and a plurality of debugging buttons 11, and the one-way valve 9, the weighing device 7 and the intelligent telescopic device are all electrically connected to the controller 6. The display screen 10 is used to display the real-time weighing weight of the weighing device 7 and the parameter display of other devices, and the debugging button 11 can debug various parameters in the bag filling machine 1 and the bag sewing machine 2.

[0023] In one embodiment of the present invention, the intelligent telescopic device includes a mounting block 12 and a first telescopic rod 13, wherein the mounting block 12 is mounted on the inner wall of the lower hopper 4, and one end of the first telescopic rod 13 is fixedly connected to the mounting block 12 and the other end is connected to the bottom of the weighing device 7. The mounting block 12 is used to mount the first telescopic rod 13, and the first telescopic rod 13 is used to drive the weighing device 7 to tilt up and down for weighing operation or material discharge operation.

[0024] In one embodiment of the present invention, the bag sewing machine 2 includes a bag feeding device 14, a bag clamping device 15, a bag supporting device 16, a bag sewing machine head 17, a clamping device 18 and a conveying device 19. The conveying device 19 is provided with brackets 20 on both sides. The bag feeding device 14 is located on one side of the conveying device 19. The bag clamping device 15 is installed at the bottom of the lower hopper 4. The bag supporting device 16 is installed between the two brackets 20. The clamping device 18 and the bag sewing machine head 17 are both installed between the two brackets 20 and located at the rear end of the bag supporting device 16. The bag feeding device 14 is used to place packaging bags and provide packaging bags for the bag filling machine 1. The bag clamping device 15 is used to clamp the packaging bags after being stretched. The bag supporting device 16 is used to stretch the packaging bags. The bag sewing machine head 17 is used to seal the packaging bags. The clamping device 18 is used to clamp the filled packaging bags for sealing. The conveying device 19 is used to convey the filled packaging bags.

[0025] In one embodiment of the present invention, a track 21 is provided on the top of each of the two brackets 20, a support arm 22 is provided between the two tracks 21, the bag holding device 16 includes an adsorption structure and a holding structure, the adsorption structure includes a first suction nozzle 23, a second suction nozzle 24 cooperating with the first suction nozzle 23, and a mechanical arm 25, the mechanical arm 25 is fixed on one side of the support arm 22 and the driving end cooperates with the first suction nozzle 23, a first rotating head 26 is provided at the connection between the mechanical arm 25 and the first suction nozzle 23, the second suction nozzle 24 is connected to the other side of the support arm 22 through a second telescopic rod 27, the holding structure includes a third telescopic rod 28, a connecting block 29 and two fourth telescopic rods 30, the third telescopic rod 28 is installed at the bottom of the support arm 22 and the driving end is fixedly connected to the connecting block 29, the two fourth telescopic rods 30 are respectively installed at both ends of the connecting block 29, and a second rotating head 31 is provided at the connection between the connecting block 29 and the third telescopic rod 28. The mechanical arm 25 can control the first suction nozzle 23 to approach the bag feeding device 14. The first suction nozzle 23 and the second suction nozzle 24 are both connected to the external air pump through the suction tube. The first suction nozzle 23 is activated to generate an adsorption force to suck the packaging bag. The first rotating head 26 rotates the first suction nozzle 23 so that the packaging bag is close to the second suction nozzle 24. The second suction nozzle 24 is activated to generate an adsorption force to suck the packaging bag. The mechanical arm 25 drives the first suction nozzle 23 away from the second suction nozzle 24, thereby pulling the packaging bag open. At this time, the expansion structure starts to work to expand the packaging bag. The third telescopic rod 28 moves the connecting block 29 and the fourth telescopic rod 30 to the inside of the opened packaging bag. The second rotating head 31 rotates to drive the connecting block 29 and the fourth telescopic rod 30 to rotate. Both fourth telescopic rods 30 are extended to a set length, thereby expanding the packaging bag.

[0026] In one embodiment of the present invention, the bag clamping device 15 includes two fixed blocks 32, two fifth telescopic rods 33 and two clamps 34. The two fixed blocks 32 are respectively installed on both sides of the lower hopper 4. One end of the fifth telescopic rod 33 is fixedly connected to the bottom of the fixed block 32 and the other end is connected to the clamp 34. The fourth telescopic rod 30 can control the clamp 34 to descend, and the clamp 34 can be used to clamp the opened packaging bag for filling operation.

[0027] In one embodiment of the present invention, the bag feeding device 14 is provided with a receiving groove 35, and an opening 36 is provided on one side of the receiving groove 35 close to the conveying device 19, and limiting plates 37 are provided on both sides of the opening 36. A plurality of packaging bags are placed in the receiving groove 35, the opening 36 allows the packaging bags to pass through, and the limiting plates 37 can prevent the packaging bags from falling easily.

[0028] In an intelligent weighing and bag sewing system suitable for logistics of the present invention, an intelligent weighing structure is arranged between an upper hopper 3 and a lower hopper 4. The weight above a weighing device 7 can be displayed in real time by being electrically connected to a controller 6. When the set weight value is reached, a one-way valve 9 in the middle of a load-bearing plate 8 is controlled to be closed. At the same time, the first telescopic rod 13 is controlled to be shortened to drive the weighing device 7 to tilt, so that the crops or other goods to be packaged on the weighing device 7 fall into the packaging bag below the lower hopper 4, and are sent into the bag sewing machine 2 through a conveying device 19 for bagging operation. The weight of the bagged product can be controlled in real time, and the set weight value can be debugged by an external controller 6. Because it takes a certain time to close the one-way valve 9, the set weight value is lower than the actual weight of the goods after packaging. Therefore, after the weight value is set, the controller 6 calculates and resets a threshold value according to the weight of the goods and the time when the goods fall. When the threshold value is reached, the one-way valve 9 begins to close, so that the actual weight of the goods after packaging is equivalent to the set weight value.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An intelligent weighing and bag sewing system suitable for logistics, characterized in that: The invention comprises a bag filling machine (1) and a bag sewing machine (2), wherein the bag filling machine (1) comprises an upper hopper (3) at the top, an intelligent weighing structure in the middle and a lower hopper (4) at the bottom, the input end of the bag sewing machine (2) is connected to the output end of the lower hopper (4), a plurality of supporting feet (5) are arranged at the bottom of the lower hopper (4), the outer surface of one of the supporting feet (5) is provided with a controller (6) for controlling the bag filling machine (1) and the bag sewing machine (2), the intelligent weighing structure comprises a weighing device (7), a bearing plate (8) is arranged at the bottom of the upper hopper (3), a one-way valve (9) is arranged in the middle of the bearing plate (8), one end of the weighing device (7) is hinged to the top of the lower hopper (4) and the other end is abutted against the other side of the top of the lower hopper (4), and the bottom of the weighing device (7) is provided with an intelligent telescopic device for driving the weighing device (7).

2. The intelligent weighing and bag sewing system suitable for logistics according to claim 1, characterized in that: The controller (6) comprises a display screen (10) and a plurality of debugging buttons (11); the one-way valve (9), the weighing device (7) and the intelligent telescopic device are all electrically connected to the controller (6).

3. The intelligent weighing and bag sewing system suitable for logistics according to claim 1, characterized in that: The intelligent telescopic device comprises a mounting block (12) and a first telescopic rod (13), wherein the mounting block (12) is mounted on the inner wall of the lower hopper (4), and one end of the first telescopic rod (13) is fixedly connected to the mounting block (12) and the other end is connected to the bottom of the weighing device (7).

4. The intelligent weighing and bag sewing system suitable for logistics according to claim 1, characterized in that: The bag sewing machine (2) comprises a bag feeding device (14), a bag clamping device (15), a bag holding device (16), a bag sewing machine head (17), a clamping device (18) and a conveying device (19). Brackets (20) are arranged on both sides of the conveying device (19). The bag feeding device (14) is located on one side of the conveying device (19). The bag clamping device (15) is installed at the bottom of the lower hopper (4). The bag holding device (16) is installed between the two brackets (20). The clamping device (18) and the bag sewing machine head (17) are both installed between the two brackets (20) and located at the rear end of the bag holding device (16).

5. The intelligent weighing and bag sewing system suitable for logistics according to claim 4, characterized in that: The tops of the two brackets (20) are each provided with a track (21), a support arm (22) is provided between the two tracks (21), the bag-holding device (16) comprises an adsorption structure and an opening structure, the adsorption structure comprises a first suction nozzle (23), a second suction nozzle (24) matched with the first suction nozzle (23), and a mechanical arm (25), the mechanical arm (25) is fixed to one side of the support arm (22) and a driving end thereof is matched with the first suction nozzle (23), a first rotating head (25) is provided at the connection between the mechanical arm (25) and the first suction nozzle (23) 26), the second suction nozzle (24) is connected to the other side of the support arm (22) through a second telescopic rod (27), the expansion structure comprises a third telescopic rod (28), a connecting block (29) and two fourth telescopic rods (30), the third telescopic rod (28) is installed at the bottom of the support arm (22) and the driving end is fixedly connected to the connecting block (29), the two fourth telescopic rods (30) are respectively installed at the two ends of the connecting block (29), and a second rotating head (31) is provided at the connection between the connecting block (29) and the second telescopic rod (27).

6. The intelligent weighing and bag sewing system suitable for logistics according to claim 4, characterized in that: The bag clamping device (15) comprises two fixed blocks (32), two fifth telescopic rods (33) and two clamps (34). The two fixed blocks (32) are respectively installed on both sides of the lower hopper (4). One end of the fifth telescopic rod (33) is fixedly connected to the bottom of the fixed block (32) and the other end is connected to the clamp (34).

7. The intelligent weighing and bag sewing system suitable for logistics according to claim 4, characterized in that: The bag delivery device (14) is provided with a receiving groove (35), and an opening (36) is provided on a side of the receiving groove (35) close to the conveying device (19), and limiting plates (37) are provided on both sides of the opening (36).

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