A bag opening mechanism

Abstract

The utility model provides a kind of bag opening mechanism.It solves the problem that it is difficult to ensure that inner bag is accurately and stably sent into outer bag by the action of clamp during the packaging process of existing packaging machine.The utility model inserts outer bag by the inner bag being clamped by clamp and the downward movement of guide bag piece under the driving of second lifting power, and moves and props open outer bag by the power driving of guide bag piece, and the inner bag is placed into outer bag after the downward movement of clamp and the passing through of the gap between guide bag piece under the driving of first lifting power, the placement of inner bag is completed after the reset of each component, ensure that inner bag does not contact with outer bag during the placement process, can ensure that inner bag is accurately and stably sent into outer bag, effectively improve processing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of packaging machine technology, and in particular to a bag opening mechanism. Background Technology

[0002] In the past, during the packaging process, clamps were used to open the outer bag using a guide bag component. The guide bag component consisted of two pieces with springs to keep them closed. The clamps would push open the guide bag component, thereby opening the outer bag and simultaneously feeding the inner bag into the outer bag. However, this method, where the clamps hold the inner bag to open the outer bag, made it difficult to ensure the stability of the clamps. This could easily squeeze and flip the inner bag, making it difficult to ensure that the inner bag was accurately and stably delivered into the outer bag, affecting the work process and reducing work efficiency. There are areas for improvement in the existing technology. Summary of the Invention

[0003] This utility model addresses the aforementioned shortcomings by providing a bag-opening mechanism mounted on a packaging machine. It includes a clamp movably mounted on the packaging machine for holding an inner bag. The clamp is equipped with a clamping force that drives it to open and close, thus clamping or releasing the inner bag. The packaging machine is equipped with a first lifting force that drives the clamp and clamping force to move vertically. The packaging machine also has a guide bag for opening an outer bag, located below the clamp and mounted on the packaging machine via a support plate. A lifting plate is movably mounted on the support plate, and a second lifting force is provided on the support plate to drive the lifting plate to move vertically. The lifting plate is equipped with a guide bag force that drives the guide bag to open and close, thus opening or releasing the outer bag.

[0004] Preferably, there are two bag guides arranged opposite to each other. The two bag guides are mounted on the power source of the bag guides by a bag guide mounting block and can move away from or towards each other under the power drive of the bag guides.

[0005] Preferably, the first lifting power drives the clamp to move along the height direction via a synchronous belt. The two ends of the synchronous belt are respectively sleeved on the driving wheel and the driven wheel. The driving wheel is mounted on the lifting power, which is fixedly mounted on the packaging machine via a first mounting seat. The driven wheel is mounted on the packaging machine via a second mounting seat.

[0006] Preferably, a connecting block is fixedly installed on the synchronous belt, and a connecting rod extending towards the synchronous belt is fixedly installed on the clamping power source. The end of the connecting rod facing the synchronous belt is fixedly installed on the connecting block through a connecting plate.

[0007] Preferably, the packaging machine is fixedly provided with a slide rail that extends along the moving path of the connecting block. A slider that can move along the length of the slide rail is movably provided on the slide rail. The slider is fixedly provided on the connecting block, and the slider and the connecting plate are located on opposite sides of the connecting block.

[0008] Preferably, the clamping power is fixedly provided with a limiting member for limiting the opening and closing degree of the clamp, and the clamp is provided with a reset member for driving the clamp to reset.

[0009] Compared with the prior art, this utility model uses a clamp to hold the inner bag, and the guide bag component moves downward under the second lifting power and is inserted into the outer bag. The guide bag component is then driven by the power to move to both sides and open the outer bag. The clamp moves downward under the first lifting power and passes through the gap between the guide bag components to place the inner bag into the outer bag. After all components are reset, the placement of the inner bag is completed. This ensures that the inner bag does not come into contact with the outer bag before being placed in the outer bag, and can ensure that the inner bag is accurately and stably delivered into the outer bag, effectively improving processing efficiency. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is an exploded view of the structure at the guide bag component; Figure 3 This is a schematic diagram of the structure during material feeding.

[0011] The markings in the diagram are: 1. Clamp; 2. Clamping power; 3. First lifting power; 4. Guide bag component; 5. Support plate; 6. Lifting plate; 7. Second lifting power; 8. Guide bag component power; 9. Guide bag mounting block; 10. Synchronous belt; 11. Drive wheel; 12. Driven wheel; 13. First mounting seat; 14. Second mounting seat; 15. Connecting block; 16. Connecting rod; 17. Connecting plate; 18. Slide rail; 19. Slider; 20. Limiting component; 21. Reset component; 22. Inner bag; 23. Outer bag. Detailed Implementation

[0012] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings: like Figure 1-3As shown, a bag opening mechanism is installed on a packaging machine, including a clamp 1 movably installed on the packaging machine for clamping an inner bag 22. The clamp 1 is provided with a clamping power 2 that drives the clamp 1 to open and close to clamp or release the inner bag 22. A limiting member 20 for limiting the degree of opening and closing of the clamp 1 is fixedly installed on the clamping power 2. A reset member 21, which is a spring, is provided on the clamp 1 to drive the clamp 1 to reset. The packaging machine is equipped with a first lifting power 3 that drives the clamp 1 and the clamping power 2 to move vertically. The packaging machine also has a guide bag 4 for opening the outer bag 23. The guide bag 4 is located below the clamp 1 and is mounted on the packaging machine via a support plate 5. A lifting plate 6 is movably mounted on the support plate 5. A second lifting power 7 is provided on the support plate 5 to drive the lifting plate 6 to move vertically. A guide bag 8 is provided on the lifting plate 6 to drive the guide bag 4 to open or close, thus opening or releasing the outer bag 23. Two guide bag 4s are provided and arranged opposite each other. The two guide bag 4s are mounted on the guide bag 8 via guide bag mounting blocks 9 and can move away from or closer to each other under the drive of the guide bag 8.

[0013] The inner bag 22 is held by the clamp 1. The guide bag 4 moves downward under the drive of the second lifting power 7 and is inserted into the outer bag 23. The guide bag 4 is driven to move to both sides by the guide bag power 8 and opens the outer bag 23. The clamp 1 moves downward under the drive of the first lifting power 3 and passes through the gap between the guide bag 4 to place the inner bag 22 into the outer bag 23. After all the components are reset, the placement of the inner bag 22 is completed. This ensures that the inner bag 22 does not come into contact with the outer bag 23 before being placed into the outer bag 23, which can ensure that the inner bag 22 is accurately and stably delivered into the outer bag 23, effectively improving processing efficiency.

[0014] The first lifting power 3 drives the clamp 1 to move along the height direction via a synchronous belt 10. The two ends of the synchronous belt 10 are respectively sleeved on a driving wheel 11 and a driven wheel 12. The driving wheel 11 is mounted on the lifting power, which is fixedly mounted on the packaging machine via a first mounting base 13. The driven wheel is mounted on the packaging machine via a second mounting base 14. A connecting block 15 is fixedly mounted on the synchronous belt 10. A connecting rod 16 extending towards the synchronous belt 10 is fixedly mounted on the clamping power 2. One end of the connecting rod 16 facing the synchronous belt 10 is fixedly mounted on the connecting block 15 via a connecting plate 17. A slide rail 18 is fixedly mounted on the packaging machine. The slide rail 18 extends along the moving path of the connecting block 15. A slider 19, which can move along the length of the slide rail 18, is movably mounted on the slide rail 18. The slider 19 is fixedly mounted on the connecting block 15, and the slider 19 and the connecting plate 17 are located on opposite sides of the connecting block 15. The clamp 1 and the clamping power 2 are set on the connecting block 15 through the connecting rod 16 and the connecting plate 17. The slider 19 set on the other side of the connecting block 15 balances the forces on both sides of the connecting block 15 and guides the connecting block 15. As the connecting block 15 moves with the synchronous belt 10, the clamp 1 is more stable, effectively reducing the shaking and deviation of the clamp 1 during the movement, so that the inner bag 22 can be more accurately sent into the outer bag 23 during the clamping process.

[0015] During processing, the inner bag 22 is fed into the clamp 1 by external equipment, and the opened outer bag 23 is fed under the guide bag component 4. The clamping power 2 drives the clamp 1 to close and clamp the inner bag 22. The second lifting power 7 drives the support plate 5 to move the guide bag component 4 downward and insert it into the outer bag 23. The guide bag component power 8 on the support plate 5 drives the guide bag mounting block 9 to move the guide bag component 4 to both sides, causing the two guide bag components 4 to move away from each other and open the outer bag 23. The first lifting power 3 drives the clamp 1 to move downward and pass through the gap between the guide bag components 4 to place the inner bag 22 into the outer bag 23. The clamping power is then turned off. With output 2, clamp 1 opens and completes reset under the drive of reset component 21, and releases inner bag 22. Inner bag 22 falls into the bottom of outer bag 23 under its own gravity. Clamp 1 moves upward under the drive of first lifting power 3 to complete reset. Guide bag component 4 moves closer to each other under the drive of guide bag component power 8 and moves upward under the drive of second lifting power 7 to disengage from outer bag 23 to complete reset. Clamp 1 and guide bag component 4 start lifting and lowering synchronously. With clamp 1 set with a long stroke, it can ensure that inner bag 22 is sent into outer bag 23 after guide bag component 4 opens outer bag 23, which greatly shortens the time of the whole working process and effectively improves processing efficiency.

[0016] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications to the specification derived therefrom are still within the protection scope of this utility model.

Claims

1. An opening bag mechanism characterized by, The packaging machine includes a clamp (1) movably mounted on the packaging machine for clamping an inner bag (22). The clamp (1) is provided with a clamping power (2) that drives the clamp (1) to open and close to clamp or release the inner bag (22). The packaging machine is provided with a first lifting power (3) that drives the clamp (1) and the clamping power (2) to move vertically. The packaging machine is provided with a guide bag (4) for opening an outer bag (23). The guide bag (4) is located below the clamp (1) and is mounted on the packaging machine via a support plate (5). A lifting plate (6) is movably mounted on the support plate (5). The support plate (5) is provided with a second lifting power (7) that drives the lifting plate (6) to move vertically. The lifting plate (6) is provided with a guide bag power (8) that drives the guide bag (4) to open and close to open or release the outer bag (23).

2. The bag opening mechanism according to claim 1, characterized in that, There are two guide bag components (4) arranged opposite to each other. The two guide bag components (4) are mounted on the guide bag component power (8) by the guide bag mounting block (9) and can move away from or close to each other under the drive of the guide bag component power (8).

3. The bag opening mechanism according to claim 1, characterized in that, The first lifting power (3) drives the clamp (1) to move along the height direction through the synchronous belt (10). The two ends of the synchronous belt (10) are respectively sleeved on the driving wheel (11) and the driven wheel (12). The driving wheel (11) is set on the lifting power. The lifting power is fixed on the packaging machine through the first mounting seat (13). The driven wheel is set on the packaging machine through the second mounting seat (14).

4. The bag opening mechanism according to claim 3, characterized in that, A connecting block (15) is fixedly installed on the synchronous belt (10), and a connecting rod (16) extending toward the synchronous belt (10) is fixedly installed on the clamping power (2). One end of the connecting rod (16) facing the synchronous belt (10) is fixedly installed on the connecting block (15) through a connecting plate (17).

5. The bag opening mechanism according to claim 4, characterized in that, The packaging machine is fixedly provided with a slide rail (18), which extends along the moving path of the connecting block (15). A slider (19) that can move along the length of the slide rail (18) is movably provided on the slide rail (18). The slider (19) is fixedly provided on the connecting block (15). The slider (19) and the connecting plate (17) are located on opposite sides of the connecting block (15).

6. The bag opening mechanism according to claim 1, characterized in that, The clamping power (2) is fixedly provided with a limiting member (20) for limiting the opening and closing degree of the clamp (1), and the clamp (1) is provided with a reset member (21) for driving the clamp (1) to reset.

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