A nest box unpacking device

Abstract

The application discloses a nest box unpacking device, which comprises a nest box placing table, an upper bag suction mechanism, a lower bag suction mechanism, a bag pressing mechanism and a bag cutting mechanism. One end of the nest box placing table is a pushing end. The upper bag suction mechanism is arranged above the pushing end in a lifting mode. The lower bag suction mechanism is arranged below the nest box placing table. The bag pressing mechanism is arranged above the front of the pushing end in a lifting mode. The bag cutting mechanism is arranged below the bag pressing mechanism in a lifting mode. The nest box unpacking device has the advantages of simple structure, small floor space, smooth bag cutting and good bag cutting effect.

Description

Technical Field

[0001] This invention relates to the field of pharmaceutical packaging technology, and in particular to a nest box unpacking device. Background Technology

[0002] Honeycomb packaging is a common packaging method for existing pharmaceutical containers such as vials and cartridges. Pharmaceutical containers using honeycomb packaging are cleaned and sterilized before being placed on a honeycomb board. The honeycomb board, filled with pharmaceutical containers, is then sealed inside a honeycomb box with a film covering the outside of the box. The outer packaging bag must be removed before removing the honeycomb box.

[0003] Currently, the outer packaging bag of the nest box is usually removed by a packaging unpacking machine. For example, Chinese Patent No. CN219237641U, authorized on June 23, 2023, discloses a packaging unpacking machine, which includes a packaging unpacking mechanism, a nest box ejection mechanism, and a support mechanism. The packaging unpacking mechanism and the nest box ejection mechanism are located on the support mechanism, and the nest box ejection mechanism is located on the output side of the packaging unpacking mechanism. The packaging unpacking mechanism includes a conveyor line, a nest box outer packaging bag sorting component, a bag cutting head component, and a opposite-side pressing component. The nest box outer packaging bag sorting component and the bag cutting head component are arranged sequentially on one side of the conveyor line, and the opposite-side pressing component is arranged on the other side of the conveyor line corresponding to the bag cutting head component. The nest box ejection mechanism is arranged at the end of the conveyor line. The unpacking machine has the following defects: (1) The overall structure is complex and has multiple workstations, which takes up a large area and is not conducive to miniaturization of the equipment; (2) The outer packaging bag of the nest box is rolled up by two pressing rollers, and the packaging bag is not easy to fix. At the same time, the outer packaging bag of the nest box is cut longitudinally by pushing the cutter cylinder. The outer packaging bag of the nest box is easily compressed and stretched and deformed, which results in the outer packaging bag of the nest box not being completely cut off, affecting the subsequent ejection of the nest box. Summary of the Invention

[0004] The present invention addresses the aforementioned problems of existing unpacking machines by providing a simple, compact, and efficient bag-cutting device for unpacking nest boxes.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A semi-automatic nest box unpacking device of the present invention includes a nest box placement platform, an upper suction bag mechanism, a lower suction bag mechanism, a pressing bag mechanism, and a cutting bag mechanism. One end of the nest box placement platform is a push-out end. The upper suction bag mechanism is movably positioned above the push-out end. The lower suction bag mechanism is positioned below the nest box placement platform. The pressing bag mechanism is movably positioned above the front of the push-out end. The cutting bag mechanism is movably positioned below the pressing bag mechanism. In this invention, the nest box can be placed on the nest box placement platform manually or by a robotic arm; both the upper and lower suction bag mechanisms can be raised and lowered, which is a conventional method in the field; during bag cutting, the upper suction bag mechanism descends and the lower suction bag mechanism rises to clamp the nest box to prevent it from tilting during cutting, and simultaneously uses vacuum to hold the upper and lower surfaces of the outer packaging bag to prevent it from moving during cutting; after cutting, the upper suction bag mechanism rises and the lower suction bag mechanism descends, the upper suction bag mechanism lifts the upper surface of the outer packaging bag and the lower suction bag mechanism holds the lower surface, opening the outer packaging bag to facilitate the nest box being pushed out / removed from it; the bag pressing mechanism can also be raised and lowered, and during bag cutting, the bag pressing mechanism descends to cooperate with the cutting mechanism to clamp the outer packaging bag. At the front end of the bagging process, the bag-pressing mechanism simultaneously vacuum-suctions the front end of the outer packaging bag, thereby tightening the front end of the outer packaging bag to facilitate the cutting mechanism to quickly and completely cut the packaging bag. Then, the cutting mechanism cuts a slit (not a complete severance) in the front end of the outer packaging bag to complete the bag cutting. After cutting, the bag-pressing mechanism rises and sucks up the front end of the outer packaging bag to open the cut slit and form the bag opening. The cutting mechanism descends to be level with or below the plane of the nest box placement platform, and the nest box can then be removed from the bag opening through the push-out end and the gap between the bag-pressing mechanism and the cutting mechanism. This invention has a simple structure, can complete bag cutting in one station, occupies a small area, is conducive to the miniaturization of equipment, and provides smooth and effective bag cutting.

[0006] Preferably, nest box limiting blocks are provided on both sides of the nest box placement platform. The nest box limiting blocks restrict the position of the nest box and serve as positioning and guiding blocks; most preferably, the distance between the nest box positioning blocks is adjustable to accommodate different nest boxes.

[0007] Preferably, the semi-automatic nest box unpacking device further includes a nest box ejection mechanism, which comprises a nest box pushing block and a linear movement mechanism. The nest box pushing block is disposed on the nest box placement platform and is connected to the linear movement mechanism, allowing it to move back and forth under the drive of the linear movement mechanism. The nest box ejection mechanism is used to push the nest box out of the outer packaging bag, facilitating its removal from the packaging bag.

[0008] Preferably, the linear movement mechanism includes a first linear slider module and a first drive mechanism. The nest box placement platform is provided with a groove, and the nest box pusher block is located within the groove and fixedly connected to the slider in the first linear slider module. The first drive mechanism is drively connected to the slider in the first linear slider module via a first transmission mechanism. The first linear slider module is a conventional structure in the art, and the first drive mechanism is used to drive the slider in the first linear slider module to move. The groove serves as a guide and limits the stroke of the nest box pusher block.

[0009] Preferably, the first driving mechanism includes a rotatable shaft and a handwheel. The handwheel is fixed to the outer end of the shaft, and the inner end of the shaft is connected to the slider in the first linear slider module via a first transmission mechanism. The movement distance of the nest box pusher can be controlled by rotating the handwheel, making it convenient to use.

[0010] Preferably, the upper suction bag mechanism includes a first lifting mechanism and a first vacuum suction cup, wherein the first vacuum suction cup can be raised and lowered under the drive of the first lifting mechanism. The first vacuum suction cup is a conventional structure in the art and can be directly purchased commercially; the vacuum suction cup is a rigid vacuum suction cup. The first lifting mechanism only needs to be able to realize the raising and lowering of the first vacuum suction cup, and the specific structure is not limited; various conventional lifting mechanisms can be used.

[0011] Preferably, the lower suction bag mechanism includes a second lifting mechanism and a second vacuum suction cup. The nest box placement platform has a clearance hole, and the second vacuum suction cup is located within the clearance hole and can be raised and lowered along the clearance hole under the drive of the second lifting mechanism. The second lifting mechanism only needs to be able to achieve the raising and lowering of the second vacuum suction cup; its specific structure is not limited, and various conventional lifting mechanisms can be used. The second vacuum suction cup is a conventional structure in the field and can be directly purchased commercially. The vacuum suction cup is a rigid vacuum suction cup. The second lifting mechanism can lift the second vacuum suction cup, ensuring that the second vacuum suction cup adheres to the lower surface of the outer packaging bag and simultaneously presses firmly against the nest box.

[0012] Preferably, the bag-pressing mechanism includes a third lifting mechanism, an upper pressure plate, and a third vacuum suction cup. The third vacuum suction cup is fixedly installed inside the upper pressure plate, which can be raised and lowered under the drive of the third lifting mechanism. The bottom surface of the upper pressure plate is provided with a knife-avoiding groove. The third lifting mechanism only needs to be able to realize the raising and lowering of the third vacuum suction cup, and its specific structure is not limited; various conventional lifting mechanisms can be used. The upper pressure plate serves to press down the front end of the outer packaging bag and to install and fix the third vacuum suction cup.

[0013] Preferably, the bag-cutting mechanism includes a cutter, a cutter drive mechanism, a lower pressure plate, and a fourth lifting mechanism. The lower pressure plate is located below the upper pressure plate and is connected to the fourth lifting mechanism, allowing it to move synchronously under the drive of the fourth lifting mechanism. The cutter drive mechanism is mounted on the fourth lifting mechanism and moves synchronously with the lower pressure plate. The cutter is mounted on the cutter drive mechanism and can extend into a knife-avoiding groove under the drive of the fourth lifting mechanism and move along the knife-avoiding groove under the drive of the cutter drive mechanism. When the upper and lower pressure plates clamp the front end of the outer packaging bag, the cutter moves to cut an opening in the front end of the outer packaging bag. The length of the opening should be sufficient to allow the nest box to be removed / pushed out of the outer packaging bag.

[0014] Preferably, the cutter driving mechanism includes a second linear slider module, a power mechanism, and a second transmission mechanism. The second linear slider module is mounted on a fourth lifting mechanism, the cutter is mounted on the slider of the second linear slider module, the power mechanism is connected to the second linear slider module via the second transmission mechanism, and the lower pressure plate is fixedly connected to the supports at both ends of the second linear slider module.

[0015] Therefore, the present invention has the following beneficial effects: it integrates the nest box placement platform, the upper suction bag mechanism, the lower suction bag mechanism, the bag pressing mechanism, and the bag cutting mechanism into one workstation, which has a simple structure and a small footprint. Through the cooperation between the various mechanisms, the outer packaging bag of the nest box can be quickly and accurately cut open and then the cut can be opened so that the nest box can be taken out of the outer packaging. During the bag cutting process, the nest box and the outer packaging bag remain stable and are not easy to move. The bag cutting is smooth and the bag cutting effect is good. Attached Figure Description

[0016] Figure 1 This is a perspective view of the present invention.

[0017] Figure 2 This is a schematic diagram showing the connection between the nest box placement platform, the nest box ejection mechanism, and the lower suction bag mechanism.

[0018] Figure 3 yes Figure 2 The exploded diagram.

[0019] Figure 4 This is a 3D view of the suction bag mechanism.

[0020] Figure 5 This is a 3D view of the suction bag mechanism.

[0021] Figure 6 This is a 3D view of the bag-pressing mechanism.

[0022] Figure 7 This is a schematic diagram showing the connection between the upper pressure plate and the third vacuum suction cup.

[0023] Figure 8yes Figure 7 The main view.

[0024] Figure 9 yes Figure 8 A cross-sectional view along the AA direction.

[0025] Figure 10 This is a 3D diagram of the bag-cutting mechanism.

[0026] Figure 11 yes Figure 10 The exploded diagram.

[0027] In the diagram: 1. Nest box placement platform; 2. Upper bag suction mechanism; 3. Lower bag suction mechanism; 4. Bag pressing mechanism; 5. Bag cutting mechanism; 6. Nest box ejection mechanism; 7. Machine base; 8. Nest box limit block; 9. Nest box pushing block; 10. Linear movement mechanism; 11. Slide groove; 12. Roller; 13. First linear slider module; 14. First drive mechanism; 15. Rotary shaft; 16. Handwheel; 17. First transmission mechanism; 18. Synchronous belt transmission mechanism; 19. First lifting mechanism; 20. First vacuum suction cup; 21. Linear bearing seat; 22. Lifting shaft; Servo synchronous belt module. 23, Servo synchronous belt module; 24, Lifting plate; 25, Second lifting mechanism; 26, Second vacuum suction cup; 27, Cylinder; 28, Connecting plate; 29, Clearance hole; 30, Third lifting mechanism; 31, Upper pressure plate; 32, Third vacuum suction cup; 33, Lifting shaft fixing plate; 34, Knife avoidance groove; 35, Cutting knife; 36, Cutting knife drive mechanism; 37, Lower pressure plate; 38, Fourth lifting mechanism; 39, Second linear slider module; 40, Power mechanism; 41, Second transmission mechanism; 42, Transmission shaft; 43, Servo ball screw; 44, Push-out end; 45. Detailed Implementation

[0028] The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

[0029] like Figure 1 , Figure 2 The semi-automatic nest box unpacking device shown includes a nest box placement platform 1, an upper suction bag mechanism 2, a lower suction bag mechanism 3, a bag pressing mechanism 4, a bag cutting mechanism 5, and a nest box ejection mechanism 6. The nest box placement platform is fixed on the machine base 7, one end of the nest box placement platform is an ejection end 45, and nest box limiting blocks 8 are fixed on both sides of the nest box placement platform. The nest box ejection mechanism includes a nest box pusher block 9 and a linear movement mechanism 10 (such as...). Figure 3 As shown), a slide groove 11 is provided on the nest box placement platform. A roller 12 is installed at the front end of the nest box pushing block. The nest box pushing block is located in the slide groove and is connected to the linear motion mechanism, and can move back and forth along the slide groove under the drive of the linear motion mechanism. The linear movement mechanism includes a first linear slider module 13 and a first drive mechanism 14. The first linear slider module is located below the nest box placement platform. The nest box push block passes through the nest box placement platform and is fixedly connected to the slider in the first linear slider module. The first drive mechanism includes a rotating shaft 15 and a handwheel 16. The rotating shaft is rotatably connected to the machine platform through a shaft seat. The handwheel is fixed to the outer end of the rotating shaft. The inner end of the rotating shaft is connected to the slider in the first linear slider module through a first transmission mechanism 17. The first transmission mechanism includes a synchronous belt transmission mechanism 18. The upper suction bag mechanism is vertically and flexibly positioned above the ejection end. The upper suction bag mechanism includes a first lifting mechanism 19 and a first vacuum suction cup 20 (e.g., ...). Figure 5 As shown), the first lifting mechanism includes a linear bearing seat 21, a lifting shaft 22 and a servo synchronous belt module 23. The linear bearing seat is fixed on the machine base. The lifting shaft passes through the linear bearing seat and slides with the linear bearing seat. The lifting shaft is driven to move up and down by the servo synchronous belt module 24. A lifting plate 25 is fixed at the top of the lifting shaft. The first vacuum suction cup is fixed at intervals on the lifting plate. The lower suction bag mechanism is located below the nest box placement platform. The lower suction bag mechanism includes a second lifting mechanism 26 and a second vacuum suction cup 27 (e.g., Figure 4 As shown), the second lifting mechanism includes a cylinder 28, the cylinder body is fixed on the machine base, the piston shaft of the cylinder is fixedly connected to a connecting plate 29, a clearance hole 30 is opened on the nest box placement platform, and the second vacuum suction cup is located in the clearance hole and fixedly connected to the connecting plate. The bag-pressing mechanism is vertically and vertically positioned above the front of the ejection end. The bag-pressing mechanism includes a third lifting mechanism 31, an upper pressure plate 32, and a third vacuum suction cup 33 (e.g., ...). Figure 6 , Figure 7 , Figure 8 , Figure 9 As shown), the third lifting mechanism includes a linear bearing seat 21, a servo synchronous belt module 23, and a lifting shaft fixing plate 34. The linear bearing seat is fixed on the machine base. Lifting shafts are fixed on both sides of the lifting shaft fixing plate. The lifting shafts pass through the linear bearing seat and are slidably connected to the linear bearing seat. The servo synchronous belt module is connected to the lifting shaft fixing plate to drive the lifting shaft fixing plate to lift. The upper pressure plate is fixed at the top of the lifting shaft. The bottom surface of the upper pressure plate is provided with a knife avoidance groove 35. The third vacuum suction cup is fixed in the upper pressure plate at intervals. The bag-cutting mechanism is vertically and vertically mounted below the bag-pressing mechanism. The bag-cutting mechanism includes a cutter 36, a cutter drive mechanism 37, a lower pressure plate 38, and a fourth lifting mechanism 39 (e.g., ...). Figure 10 , Figure 11 As shown), the cutter drive mechanism includes a second linear slider module 40, a power mechanism 41 and a second transmission mechanism 42. The power mechanism includes a servo synchronous belt module, and the second transmission mechanism includes a transmission shaft 43 and a synchronous belt transmission mechanism. The fourth lifting mechanism includes a servo ball screw 44 fixed to the bottom of the machine, a lifting shaft fixing plate 34, a lifting shaft 22, and a linear bearing seat 21. The lifting shaft fixing plate is located below the machine base and is fixedly connected to the nut seat of the servo ball screw. The lifting shaft is fixedly connected to both sides of the lifting shaft fixing plate. The linear bearing seat is fixed on the machine base. The lifting shaft passes through the linear bearing seat and is slidably connected to the linear bearing seat. The servo synchronous belt module is fixedly connected to the lifting shaft fixing plate. The second linear slider module is fixedly connected to the upper end of the lifting shaft. The cutter is fixedly connected to the slider of the second linear slider module. The synchronous belt transmission mechanism in the second transmission mechanism is set on the second linear slider module. The slider in the second linear slider module and the synchronous belt in the synchronous belt transmission mechanism are fastened together by the synchronous belt fixing block. The transmission shaft passes through the lifting shaft and is fixedly connected to the synchronous pulley in the synchronous belt transmission mechanism. The lower end of the transmission shaft is fixedly connected to the synchronous pulley in the servo synchronous belt module. The lower pressure plate is located below the upper pressure plate and is fixedly connected to the supports at both ends of the second linear slider module.

[0030] The operation process of this invention is as follows: The nest box pushing block is in its original position (initial position). The nest box is placed on the nest box placement platform. The front end of the outer packaging bag is manually pulled flat, positioning it between the bag pressing mechanism and the bag cutting mechanism. The bag pressing mechanism and the bag cutting mechanism are activated, causing the upper pressure plate to descend and the lower pressure plate to descend. The upper and lower pressure plates clamp the front end of the outer packaging bag. The third vacuum suction cup suctions the front end of the outer packaging bag. The upper and lower suction cup mechanisms are activated, causing the first vacuum suction cup to descend and the second vacuum suction cup to rise. The first and second vacuum suction cups clamp the nest box, while simultaneously suctioning the upper and lower surfaces of the outer packaging bag, respectively. The cutter moves and makes a cut on the front end of the outer packaging bag. The upper pressure plate and the first vacuum suction cup rise and reset, and the lower pressure plate and the second vacuum suction cup descend and reset. When the upper pressure plate rises, the third vacuum suction cup sucks on the front end of the outer packaging bag. When the first vacuum suction cup rises, it sucks up the upper surface of the outer packaging bag. When the second vacuum suction cup descends, it sucks on the lower surface of the outer packaging bag, thus opening the cut. The handwheel is turned by hand to move the nest box pushing block towards the pushing end until the nest box inside the outer packaging is pushed out from the cut. The nest box is removed. The first vacuum suction cup, the second vacuum suction cup and the third vacuum suction cup are de-aired. The outer packaging bag is released and removed.

[0031] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any way. Other variations and modifications are possible without departing from the technical solutions described in the claims.

Claims

1. A nest box unpacking device, characterized in that, The system includes a nest box placement platform (1), an upper suction bag mechanism (2), a lower suction bag mechanism (3), a bag pressing mechanism (4), and a bag cutting mechanism (5). One end of the nest box placement platform is a push-out end (45). The upper suction bag mechanism is vertically adjustable above the push-out end. The lower suction bag mechanism is located below the nest box placement platform. The bag pressing mechanism is vertically adjustable above the front of the push-out end. The bag cutting mechanism is vertically adjustable below the bag pressing mechanism. The bag pressing mechanism includes a third lifting mechanism (31), an upper pressure plate (32), and a third vacuum suction cup (33). The third vacuum suction cup is fixedly installed inside the upper pressure plate. The upper pressure plate can... The upper pressure plate is provided with a knife-avoiding groove (35) on the bottom surface of the third lifting mechanism. The bag cutting mechanism includes a cutter (36), a cutter driving mechanism (37), a lower pressure plate (38) and a fourth lifting mechanism (39). The lower pressure plate is located below the upper pressure plate. The lower pressure plate is connected to the fourth lifting mechanism and can be lifted synchronously under the drive of the fourth lifting mechanism. The cutter driving mechanism is located on the fourth lifting mechanism and can be lifted synchronously with the lower pressure plate. The cutter is located on the cutter driving mechanism. The cutter can be inserted into the knife-avoiding groove under the drive of the fourth lifting mechanism and can move along the knife-avoiding groove under the drive of the cutter driving mechanism.

2. The nest box unpacking device according to claim 1, characterized in that, Nest box limiting blocks (8) are provided on both sides of the nest box placement platform.

3. The nest box unpacking device according to claim 1, characterized in that, The nest box unpacking device also includes a nest box ejection mechanism (6), which includes a nest box push block (9) and a linear movement mechanism (10). The nest box push block is set on the nest box placement platform and is connected to the linear movement mechanism and can move back and forth under the drive of the linear movement mechanism.

4. A nest box unpacking device according to claim 3, characterized in that, The linear movement mechanism includes a first linear slider module (13) and a first drive mechanism (14). The nest box placement platform is provided with a slide groove (11). The nest box push block is located in the slide groove and is fixedly connected to the slider in the first linear slider module. The first drive mechanism is connected to the slider in the first linear slider module through a first transmission mechanism.

5. A nest box unpacking device according to claim 4, characterized in that, The first driving mechanism includes a rotating shaft (15) and a handwheel (16) that are rotatably mounted. The handwheel is fixed to the outer end of the rotating shaft, and the inner end of the rotating shaft is connected to the slider in the first linear slider module through a first transmission mechanism.

6. A nest box unpacking device according to claim 1, characterized in that, The upper suction bag mechanism includes a first lifting mechanism (19) and a first vacuum suction cup (20), the first vacuum suction cup being able to be lifted and lowered under the drive of the first lifting mechanism.

7. A nest box unpacking device according to claim 1, characterized in that, The lower suction bag mechanism includes a second lifting mechanism (26) and a second vacuum suction cup (27). The nest box placement platform is provided with a clearance hole (30). The second vacuum suction cup is located in the clearance hole and can be lifted and lowered along the clearance hole under the drive of the second lifting mechanism.

8. A nest box unpacking device according to claim 1, characterized in that, The cutter drive mechanism includes a second linear slider module (40), a power mechanism (41), and a second transmission mechanism (42). The second linear slider module is mounted on the fourth lifting mechanism. The cutter is mounted on the slider of the second linear slider module. The power mechanism is connected to the second linear slider module via the second transmission mechanism. The lower pressure plate is fixedly connected to the supports at both ends of the second linear slider module.

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