Packaging bag folding quantitative conveying mechanism

Abstract

This invention discloses a packaging bag folding and quantitative conveying mechanism, comprising a bag stacking frame and a bag discharge conveyor belt disposed below the stacking frame. The key feature is that a bag-passing platform is provided on one side of the bag discharge conveyor belt, a bag-dropping groove is formed on the bag-passing platform, a bag-folding plate is disposed corresponding to the bag-dropping groove, a bag discharge conveyor belt assembly is disposed at the discharge end of the bag-dropping groove, and a bag-supporting plate is disposed at the discharge end of the bag discharge conveyor belt assembly. The bag-supporting plates are arranged on a transmission belt, and a bag stacking platform and a bag-pushing plate are disposed corresponding to the bag-supporting plates. The packaging bags on the bag-supporting plates can be transferred to the bag stacking platform, and the bag-pushing plate can push the packaging bags to move. This invention has a simple structure and reasonable design, enabling the folding of packaging bags and quantitative conveying after folding.

Description

Technical Field

[0001] This invention relates to packaging equipment, and more specifically to a folded and quantitative conveying mechanism for packaging bags. Background Technology

[0002] After production, packaging bags often need to be packed. One type of packaging bag, due to its large size, needs to be folded in half before packing. Currently, there is no special mechanism for folding packaging bags on the market, and folding is usually done manually. Moreover, packaging bags are usually transported using a single conveyor belt, which means that multiple folded packaging bags cannot be stacked and transported together. Subsequently, according to the packing requirements, the required number of folded packaging bags need to be stacked together manually and sent into the packing mechanism for packing. This is not only time-consuming and labor-intensive, but also has very low overall work efficiency. Summary of the Invention

[0003] In view of the shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a packaging bag folding and quantitative conveying mechanism for solving the above-mentioned problems.

[0004] Therefore, the present invention is implemented using the following scheme:

[0005] A packaging bag folding and quantitative conveying mechanism includes a bag stacking frame and a bag discharge conveyor belt located below the stacking frame. The mechanism is characterized by: a bag-passing platform on one side of the bag discharge conveyor belt; a bag-dropping trough on the bag-passing platform; a bag-folding plate corresponding to the bag-dropping trough; a bag discharge conveyor belt assembly at the discharge end of the bag-dropping trough; a bag-supporting plate at the discharge end of the bag discharge conveyor belt assembly; the bag-supporting plates arranged on a transmission belt; a bag stacking platform and a bag-pushing plate corresponding to the bag-supporting plates; packaging bags on the bag-supporting plates can be transferred to the bag stacking platform; and the bag-pushing plate can push the packaging bags to move.

[0006] The folding bag plate is connected to the movable frame, the movable frame is connected to the first slide rail, and a first slide block that cooperates with the first slide rail is fixedly installed on the frame. The first slide rail is hinged to one end of the first transmission arm, and the other end of the first transmission arm is eccentrically hinged to the first rotating disk. The first rotating disk is connected to the first motor for transmission.

[0007] A transition conveyor belt is provided between the bag-exit conveyor belt and the bag-passing platform, and the transition conveyor belt moves faster than the bag-exit conveyor belt.

[0008] The bag-discharging conveyor belt group includes a front conveyor belt group and a middle conveyor belt group arranged in sequence. The middle conveyor belt group is set on a swing frame. A first rear conveyor belt group is set at one swing angle of the swing frame, and a second rear conveyor belt group is set at the other swing angle of the swing frame. The discharge ends of the first and second rear conveyor belt groups are at the same height but in opposite directions. The bag support plate is located between the first and second rear conveyor belt groups.

[0009] One end of the swing frame is hinged to the machine frame, the swing frame is hinged to one end of the second transmission arm, the other end of the second transmission arm is eccentrically hinged to the second rotating disk, and the second rotating disk is connected to the second motor for transmission.

[0010] The bag support plate includes a left bag support plate and a right bag support plate. The left bag support plate is arranged on the left drive belt, and the right bag support plate is arranged on the right drive belt. The bag pusher plate can pass between the left and right bag support plates.

[0011] The left drive belt is mounted on the first mounting seat, and the right drive belt is mounted on the second mounting seat. The first and second mounting seats are movably mounted on the frame plate.

[0012] The first mounting base is provided with a second slide block, the second mounting base is provided with a third slide block, the frame is provided with a second slide rail that mates with the second and third slide blocks, and the frame is provided with an adjusting screw. The adjusting screw is provided with a first threaded section that is screwed to the first mounting base and a second threaded section that is screwed to the second mounting base. The helical directions of the first and second threaded sections are opposite.

[0013] The pusher plates are arranged on the second transmission belt.

[0014] A positioning plate is provided on the bag-passing platform, and a sensor is provided on the positioning plate. The sensor can control the drive assembly to drive the bag-folding plate to rise and fall.

[0015] The above-mentioned packaging bag folding and quantitative conveying mechanism, through the combination of a bag-passing platform and a bag-folding plate, can realize the automatic folding of packaging bags, reducing the size of the packaging bags. Furthermore, by setting a bag-supporting plate, it can realize the independent transfer of individual packaging bags, and with the help of a bag-pushing plate, it can realize the quantitative conveying of packaging bags, facilitating subsequent packaging operations. The entire process is fully automated, effectively reducing the labor intensity of workers and improving the efficiency of packaging bag folding and quantitative conveying. Attached Figure Description

[0016] The present invention includes the following figures:

[0017] Figure 1 This is a view of the present invention after removing the right mounting bracket;

[0018] Figure 2 for Figure 1 A magnified view of the area pointed to by A in the middle;

[0019] Figure 3 for Figure 1 A magnified view of the area pointed to by B in the middle;

[0020] Figure 4 This is a structural diagram of the left and right mounting bases of the present invention. Detailed Implementation

[0021] As shown in the figure, the packaging bag folding and quantitative conveying mechanism disclosed in this invention has a bag stacking frame 36, and a bag discharge conveyor belt 1 is arranged below the bag stacking frame 36. The bag discharge conveyor belt 1 can be provided with suction holes 2, which are connected to a negative pressure machine, so that the bag discharge conveyor belt 1 can suck up the packaging bags stacked at the bottom, thereby ensuring stable delivery of the packaging bags. Simultaneously, a baffle 3 is also provided at the discharge end of the bag stacking frame 36. The distance between the baffle 3 and the bag discharge conveyor belt 1 corresponds to the thickness of the packaging bag, ensuring that only one packaging bag can be delivered at a time. A bag receiving platform 5 is provided on one side of the bag discharge conveyor belt 1, and a bag dropping groove 18 is opened on the bag receiving platform 5. A bag folding plate 16 is provided corresponding to the bag dropping groove 18. In one step, a positioning plate 6 is set on the bag-transfer platform 5, and a sensor 7 is set on the positioning plate 6. The sensor 7 can control the drive component to drive the bag-folding plate 16 to rise and fall. The bag-folding plate 16 is connected to the movable frame 17, which is connected to the first slide rail 20. A first slide block 19 that cooperates with the first slide rail 20 is fixedly set on the frame. The first slide rail 20 is hinged to one end of the first transmission arm 21, and the other end of the first transmission arm 21 is eccentrically hinged to the first rotating disk 22. The first rotating disk 22 is connected to the first motor for transmission. The first motor drives the first rotating disk 22 to rotate, and through the first transmission arm 21 and the first slide rail 20, it drives the movable frame 17 and the bag-folding plate 16 to rise and fall. In addition, a transition conveyor belt 4 is set between the bag-out conveyor belt 1 and the bag-transfer platform 5. The moving speed of the transition conveyor belt 4 is faster than that of the bag-out conveyor belt 1, which can ensure that the packaging bags are delivered individually to the bag-transfer platform 5. A bag-discharging conveyor belt assembly is provided at the discharge end of the bag-discharging trough 18, and a bag-supporting plate is provided at the discharge end of the bag-discharging conveyor belt assembly. Further, the bag-discharging conveyor belt assembly includes a front conveyor belt assembly 8 and a middle conveyor belt assembly 9 arranged sequentially. The middle conveyor belt assembly 9 is mounted on a swing frame 10. One end of the swing frame 10 is hinged to the machine frame, and one end of the swing frame 10 is hinged to a second transmission arm 11. The other end of the second transmission arm 11 is eccentrically hinged to a second rotating disk 12. The second rotating disk 12 is connected to a second motor. By controlling the second motor to drive the second rotating disk 12 to rotate, the second transmission arm 11 can drive the swing frame 10 to swing. A first rear conveyor belt assembly 13 is provided corresponding to one swing angle of the swing frame 10, and a second rear conveyor belt assembly 14 is provided corresponding to the other swing angle of the swing frame 10. The discharge ends of the first and second rear conveyor belt assemblies are at the same height but in opposite directions. The bag-supporting plate is located between the first and second rear conveyor belt assemblies. By setting up the swing frame 10 and the first and second rear conveyor belt groups, the packaging bags can be fed into the bag support plate from both the front and rear directions, so that two adjacent packaging bags face opposite directions. Since the packaging bags have a certain height difference at both ends after being folded, the opposite orientation of adjacent packaging bags ensures that the height of both ends of multiple packaging bags can remain relatively flat after being stacked, which is beneficial to subsequent packaging operations.The bag support plates are arranged on the transmission belt, and a stacking platform 15 and a pushing plate 26 are provided on the bag support plates. The packaging bags on the bag support plates can be transferred to the stacking platform 15. The pushing plate 26 is arranged on the second transmission belt, which drives the pushing plate 26 to move periodically. The pushing plate 26 can push the packaging bags to move. In this embodiment, the pusher plate 26 can push the packaging bags on the three support plates near the pusher plate 26, and push them along the guide plate 25 to the stacking platform 15. The pusher plate 26 continues to push them to the subsequent packaging station. Alternatively, as the support plates move, a certain number of packaging bags can be stacked on the stacking platform first, and then the pusher plate 26 pushes the stacked packaging bags backward to the packaging station. Specifically, the support plates include a left support plate 24 and a right support plate 31. The left support plate 24 is arranged on the left transmission belt 23, and the right support plate 31 is arranged on the right transmission belt 30. The pusher plate 26 can pass between the left and right support plates. The left transmission belt 23 is arranged on the first mounting seat 28, and the right transmission belt 30 is arranged on the second mounting seat 29. The first and second mounting seats are movably arranged on the frame plate. The first mounting base 28 is provided with a second slide 35, and the second mounting base 29 is provided with a third slide 33. The frame is provided with a second slide rail 32 that mates with the second and third slides. The frame is provided with an adjusting screw 34, which has a first threaded section that is screwed to the first mounting base 28 and a second threaded section that is screwed to the second mounting base 29. The first and second threaded sections have opposite helical directions. By controlling the rotation of the adjusting screw 34, the first and second mounting bases can be moved closer or further apart, and the interval between the left and right drag trays can be adjusted to adapt to the packaging bag specifications.

[0022] The working principle of this invention is as follows: Packaging bags are first stacked on the stacking rack 36. The discharge conveyor belt 1 drives the packaging bags out. After passing through the transition conveyor belt 4, the speed is increased, making the distance between adjacent packaging bags larger. Then, a single packaging bag is sent to the bag-passing platform 5 and abuts against the positioning plate 6. The sensor 7 detects the packaging bag and controls the first motor to drive the first rotating disk 22 to rotate, and drives the folding plate 16 to descend and press the middle of the packaging bag into the bag-dropping groove 18, realizing the folding of the packaging bag. Then, the discharge conveyor belt group drives the packaging bag to the bag-supporting plate. As the bag-supporting plate descends, the bag-pushing plate 26 moves, pushing the packaging straps on the bag-supporting plate and dropping them along the guide plate 25 onto the stacking platform 15. Then, the bag-pushing plate 26 continues to move and drives the folded and stacked packaging bags to be transported to the packaging station for packaging.

[0023] This invention, through the combination of a bag-passing platform and a bag-folding plate, enables automatic folding of packaging bags, reducing their size. Furthermore, the bag-supporting plate allows for independent transfer of individual bags, and the pusher plate facilitates quantitative bag delivery, simplifying subsequent packaging operations. The entire process is automated, effectively reducing worker workload and improving the efficiency of quantitative bag folding and delivery.

Claims

1. A bag folding and dosing mechanism for packaging bags, comprising a bag stacker (36), a bag discharge conveyor (1) being arranged below the bag stacker (36), characterized in that: A bag conveying belt (1) is provided with a bag passing platform (5) on one side, a bag falling groove (18) is formed on the bag passing platform (5), a bag folding plate (16) is arranged corresponding to the bag falling groove (18), a bag conveying belt group is arranged at the discharging end of the bag falling groove (18), a bag supporting plate is arranged at the discharging end of the bag conveying belt group, the bag supporting plate is arranged on a transmission belt, a bag stacking platform (15) and a bag pushing plate (26) are arranged corresponding to the bag supporting plate, the packaging bag on the bag supporting plate can be transferred to the bag stacking platform (15), the bag pushing plate (26) can push the packaging bag to move, the bag conveying belt group comprises a front conveying belt group (8) and an intermediate conveying belt group (9) arranged in sequence, the intermediate conveying belt group (9) is arranged on a swing frame (10), a first rear conveying belt group (13) is arranged corresponding to one swing angle of the swing frame (10), a second rear conveying belt group (14) is arranged corresponding to another swing angle of the swing frame (10), the heights of the discharging ends of the first and second rear conveying belt groups are the same, and the directions are opposite, the bag supporting plate is located between the first and second rear conveying belt groups, the bag supporting plate comprises a left bag supporting plate (24) and a right bag supporting plate (31), the left bag supporting plate (24) is arranged on a left transmission belt (23), and the right bag supporting plate (31) is arranged on a right transmission belt (30), the bag pushing plate (26) can pass between the left and right bag supporting plates.

2. The bag doubling dosing mechanism of claim 1, wherein The bag folding plate (16) is connected to a moving frame (17), the moving frame (17) is connected to a first sliding rail (20), a first sliding seat (19) matched with the first sliding rail (20) is fixedly arranged on a rack, one end of the first sliding rail (20) is hinged to a first transmission arm (21), the other end of the first transmission arm (21) is eccentrically hinged to a first rotating disc (22), and the first rotating disc (22) is in transmission connection with a first motor.

3. The bag doubling dosing mechanism of claim 1, wherein A transition conveying belt (4) is arranged between the bag conveying belt (1) and the bag passing platform (5), and the moving speed of the transition conveying belt (4) is faster than the moving speed of the bag conveying belt (1).

4. The bag doubling dosing mechanism of claim 1, wherein One end of the swing frame (10) is hinged to the rack, one end of the swing frame (10) is hinged to a second transmission arm (11), the other end of the second transmission arm (11) is eccentrically hinged to a second rotating disc (12), and the second rotating disc (12) is in transmission connection with a second motor.

5. The bag doubling dosing mechanism of claim 1, wherein The left transmission belt (23) is arranged on a first mounting seat (28), the right transmission belt (30) is arranged on a second mounting seat (29), and the first and second mounting seats are movably arranged on a rack plate.

6. The bag doubling dosing mechanism of claim 5, wherein The first mounting seat (28) is provided with a second sliding seat (35), the second mounting seat (29) is provided with a third sliding seat (33), the rack is provided with a second sliding rail (32) matched with the second and third sliding seats, the rack is provided with an adjusting screw (34), the adjusting screw (34) is provided with a first threaded section in screw connection with the first mounting seat (28) and a second threaded section in screw connection with the second mounting seat (29), and the screw directions of the first and second threaded sections are opposite.

7. The bag doubling dosing mechanism of claim 1, wherein The bag pushing plate (26) is arranged on a second transmission belt.

8. The bag doubling dosing mechanism of claim 1, wherein The positioning plate (6) is arranged on the bag passing platform (5), and the inductor (7) is arranged on the positioning plate (6), and the inductor (7) can control the driving assembly to drive the bag folding plate (16) to ascend and descend.

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