Automatic import and export carousel packaging machine

Abstract

The application discloses an automatic import and export carousel packaging machine and relates to the technical field of coal sample packaging and transfer automation equipment, and aims to solve the technical problem of long waiting time for coal sample barrel transfer, comprising a main body frame; a carousel mechanism is arranged in the main body frame. In the application, the limiting conveying mechanism conveys the empty coal sample barrel to the corresponding station of the carousel mechanism in the empty barrel conveying state; the double-adaptation clamping mechanism clamps the empty barrel and leads it into the limiting cavity of the carousel mechanism; the carousel mechanism rotates intermittently, and the whole process of automatic packaging operation, including empty barrel feeding, carousel transfer, cap grabbing, filling and metering and full barrel leading out, is sequentially performed; the whole machine realizes multi-station parallel operation with the carousel mechanism as the core, the empty barrel leading in and the full barrel leading out can be performed synchronously, each process is continuous without interruption, and the packaging efficiency is significantly improved; the limiting conveying mechanism integrates the empty barrel / full barrel double state, reduces the occupied space of the equipment and realizes one machine with multiple uses.

Description

Technical Field

[0001] This invention relates to the field of automated equipment for coal sample packaging and transfer, and more specifically, to an automatic import and export turntable packaging machine. Background Technology

[0002] In the coal quality testing process of the coal industry, coal samples undergo multiple steps from the collection point to the laboratory, including packaging, labeling, and transportation. Currently, most coal enterprises in China still rely on manual labor for coal sample packaging and transportation: operators manually place empty coal sample containers at their workstations, open the lids one by one, manually fill the coal samples, weigh and measure them, seal the lids, and then transport the full containers to transport vehicles or conveyor belts. This model is not only labor-intensive and inefficient, but also makes it difficult to guarantee the consistency of human operation—problems such as filling deviations, incomplete sealing, and incorrect labeling occur frequently, directly affecting the accuracy and traceability of subsequent test data.

[0003] In recent years, some companies have introduced semi-automatic or single-function automated equipment, such as stand-alone automatic weighing and filling machines and rotary multi-station filling tables. However, such equipment is mostly designed for a single process, and manual coordination or independent conveyor lines are still required between each piece of equipment. The entire line occupies a large area and has poor equipment coordination. More importantly, existing automation solutions generally design empty barrel loading and full barrel unloading as two independent conveyor lines, making it impossible to achieve synchronous parallel operation of empty barrel loading and full barrel unloading in the same workstation area. This results in long turntable waiting times and obvious bottlenecks in the overall machine cycle time.

[0004] In view of this, there is an urgent need for an automated coal sample container packaging device with high integration that can simultaneously import empty containers and export full containers to solve the above-mentioned technical problems. To this end, we propose an automated import and export rotary packaging machine. Summary of the Invention

[0005] The purpose of this invention is to provide an automatic import and export turntable packaging machine to solve the technical problem of long waiting time in traditional coal sample barrel transfer.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an automatic import and export turntable packaging machine, comprising a main frame; a turntable mechanism is provided inside the main frame; a plurality of limiting cavities for loading coal sample barrels are arranged in a ring at equal intervals on the turntable mechanism; a dual-adaptive clamping mechanism, a cap-grabbing mechanism, and a filling mechanism are respectively arranged on the main frame along the ring path of the plurality of limiting cavities; a metering mechanism is arranged below the filling mechanism and below the coal sample barrel; a limiting conveying mechanism is arranged on the side of the main frame relatively away from the turntable mechanism; the limiting conveying mechanism integrates an empty barrel conveying state and a full barrel conveying state; forming a feeding import movement in the empty barrel state and a loading transfer export movement in the full barrel state; wherein, the dual-adaptive clamping mechanism has a centrally symmetrical synchronous import and export state and a variable speed import and export state.

[0007] In this invention, the limiting conveying mechanism transports the empty coal sample barrel to the corresponding station of the turntable mechanism in the empty barrel conveying state; the dual-adaptor clamping mechanism clamps the empty barrel and guides it into the limiting cavity of the turntable mechanism; the turntable mechanism rotates intermittently, sequentially transferring the coal sample barrel to the cap-grabbing mechanism for cap-grabbing operation, and then to the filling mechanism for filling operation, while the metering mechanism below the filling mechanism measures the filling amount in real time; after filling, the turntable mechanism continues to rotate to the exit station, and the dual-adaptor clamping mechanism clamps the full barrel from the turntable mechanism and exits it to the limiting conveying mechanism, which then switches to the full barrel conveying state to transport the full barrel out; thus realizing the fully automated packaging operation of the coal sample barrel from empty barrel feeding, turntable transfer, cap-grabbing, filling and metering to full barrel exit; the whole machine uses the turntable mechanism as the core to realize multi-station parallel operation, and the empty barrel import and full barrel export can be carried out simultaneously, with each process continuous and uninterrupted, significantly improving packaging efficiency; the limiting conveying mechanism integrates empty barrel / full barrel dual states, reducing the space occupied by the equipment and realizing multi-purpose use of one machine.

[0008] Preferably, the dual-adapter clamping mechanism includes a central bearing rotating housing; a double-layered planetary mechanism is rotatably arranged inside the central bearing rotating housing; a differential mechanism for driving or locking the double-layered planetary mechanism is provided on the top of the double-layered planetary mechanism; and clamping mechanisms arranged in a centrally symmetrical manner are respectively provided on the two extended ends of the double-layered planetary mechanism.

[0009] Preferably, the double-layered planetary mechanism includes two stages of sun gears arranged vertically inside; a central drive shaft is provided at the center of the internal axis of the two stages of sun gears; two central drive gears are respectively provided inside the two stages of sun gears on the central drive shaft; the two central drive gears are respectively meshed with the corresponding two stages of sun gears through planetary gears; a synchronous pulley A is provided at the top of the central drive shaft; a central drive motor for driving the synchronous pulley A to rotate is also provided on the internal side of the main frame; a synchronous pulley B is provided at the output end of the central drive motor.

[0010] Preferably, each of the two-stage sun gears contains only one planetary gear; and the planetary gear is connected to the central drive shaft via a single-arm planetary coupling.

[0011] Preferably, a connecting extension shaft A is provided at the bottom of the single-arm planetary linker located on the upper side, and the connecting extension shaft A passes through the two-stage sun gear located on the lower side.

[0012] Preferably, the differential mechanism includes a revolving toothed drive seat arranged on the main frame via a bearing housing; a split drive gear shaft is respectively provided on both sides of the revolving toothed drive seat; wherein, a first-stage bevel gear is provided at the end of each of the two split drive gear shafts; the two first-stage bevel gears are meshed and connected by two synchronous bevel gears; wherein any one of the split drive gear shafts is rotatably connected to the revolving toothed drive seat, and the two synchronous bevel gears are arranged on the revolving toothed drive seat; wherein, the revolving toothed drive seat is driven by a locking gear shaft and a locking motor.

[0013] Preferably, the differential mechanism further includes a flow-splitting locking drive bevel gear disposed at the end of the flow-splitting drive gear shaft; a steering drive gear is disposed at the end of the flow-splitting locking drive bevel gear; and a meshing locking gear is disposed at the end of the steering drive gear through an interleaved shaft; wherein the two meshing locking gears are respectively meshed with the two two-stage sun gears arranged vertically.

[0014] Preferably, the clamping mechanism includes a lifting assembly fixed to the bottom of the single-arm planetary connector; the bottom of the lifting assembly is provided with a clamp.

[0015] Preferably, the differential mechanism has a first working state and a second working state; In the first working state, the locking motor locks the revolving toothed drive seat through the locking gear shaft, thereby locking the two two-stage sun gears; the center drive motor drives the two single-arm planetary connecting frames to rotate synchronously at the same speed. One of the single-arm planetary connecting frames drags the clamping mechanism to guide the empty coal sample bucket from the limiting conveying mechanism to the turntable mechanism, while the other single-arm planetary connecting frame drags the clamping mechanism to export the full coal sample bucket from the turntable mechanism to the limiting conveying mechanism. In the second working state, the center drive motor drives the two two-stage sun gears to rotate in the same direction. The differential mechanism causes the two two-stage sun gears to generate an angular velocity difference, so that after the first single-arm planetary connecting frame drags the clamping mechanism to clamp and lift the coal sample bucket and separate it from the limiting conveying mechanism or the turntable mechanism, the second single-arm planetary connecting frame chases and rotates at a higher angular velocity.

[0016] Compared with the prior art, the beneficial effects of the present invention are: 1. In this invention, the limiting conveying mechanism transports the empty coal sample barrel to the corresponding station of the turntable mechanism in the empty barrel conveying state; the dual-adapter clamping mechanism clamps the empty barrel and guides it into the limiting cavity of the turntable mechanism; the turntable mechanism rotates intermittently, sequentially transferring the coal sample barrel to the cap-grabbing mechanism for cap-grabbing operation, and then to the filling mechanism for filling operation, while the metering mechanism below the filling mechanism measures the filling amount in real time; after filling, the turntable mechanism continues to rotate to the exit station, and the dual-adapter clamping mechanism clamps the full barrel from the turntable mechanism and exits it to the limiting conveying mechanism, and the limiting conveying mechanism switches to the full barrel conveying state to transport the full barrel out; thus realizing the fully automated packaging operation of the coal sample barrel from empty barrel feeding, turntable transfer, cap grabbing, filling and metering to full barrel exit; the whole machine realizes multi-station parallel operation with the turntable mechanism as the core, and the empty barrel import and full barrel export can be carried out simultaneously, with each process continuous and uninterrupted, significantly improving the packaging efficiency; the limiting conveying mechanism integrates the empty barrel / full barrel dual state, reducing the space occupied by the equipment and realizing one machine for multiple uses.

[0017] 2. This invention utilizes a dual-adaptive clamping mechanism with a centrally supporting rotating housing as a fixed base. Inside, a double-layered planetary mechanism performs planetary rotation. A differential mechanism located at the top drives or locks the double-layered planetary mechanism. The two extended clamping mechanisms are centrally symmetrically arranged and rotate synchronously or differentially with the planetary mechanism. Through the top-view symmetrical layout of the double-layered planetary mechanism, differential mechanism, and dual clamping mechanism, one clamping mechanism can simultaneously perform both import and export actions. This balances the rotational inertia of the two clamping mechanisms, ensuring smooth operation. The intervention of the differential mechanism allows the two clamping mechanisms to switch between synchronous and variable speed operation, providing a structural basis for subsequent catch-up workstation switching.

[0018] 3. In this invention, the central drive motor drives the synchronous wheel A through the synchronous wheel B, which in turn drives the central drive shaft to rotate; the two central drive gears on the central drive shaft drive the corresponding planetary gears, which in turn drive the two-stage sun gears arranged above and below to rotate; the rotational power effect of the two-stage sun gears above and below is achieved by a single central drive motor through synchronous belt transmission.

[0019] 4. In this invention, each two-stage sun gear is equipped with only one planetary gear, which is connected to the central drive shaft through a single-arm planetary connecting frame to form a single-planet gear single-arm transmission structure; the bottom of the upper single-arm planetary connecting frame is provided with a connecting extension shaft A, which passes downward into the interior of the lower two-stage sun gear to realize the axial through connection of the upper and lower single-arm planetary connecting frames; and based on the single-arm planetary connecting frame, sufficient rotation space is provided, optimizing the limited activity space caused by the traditional multi-arm planetary frame.

[0020] 5. In this invention, the locking motor controls the locking or releasing of the revolving toothed drive seat through the locking gear shaft; the two split drive gear shafts rotate on the revolving toothed drive seat, and the first-stage bevel gears at the ends mesh with each other through synchronous bevel gears to achieve power splitting; the locking motor switches the free / locked state of the revolving toothed drive seat, and in conjunction with the bevel gear splitting, controls the same speed or differential speed output of the two split drive gear shafts; the state switching only requires controlling the locking motor to lock or coordinate the movement, the control logic is simple; the transmission is smooth and suitable for frequent switching of working conditions.

[0021] 6. In this invention, the locking motor locks the revolving toothed drive seat via the locking gear shaft, locking the two-stage sun gears; the central drive motor drives the two single-arm planetary connecting frames to rotate synchronously at the same speed, guiding the empty coal sample bucket from the limiting conveying mechanism into the turntable mechanism, while the other arm guides the full coal sample bucket from the turntable mechanism to the limiting conveying mechanism; thus satisfying the unsaturated load transfer setting; and through the release of the locking motor, the central drive motor drives the two-stage sun gears to rotate in the same direction, and the differential mechanism creates an angular velocity difference between the upper and lower sun gears; the first single-arm planetary connecting frame first clamps and lifts the coal sample bucket and separates it from the limiting conveying mechanism or the turntable mechanism. The first single-arm planetary connecting frame catches up with the second single-arm planetary connecting frame at a higher angular velocity until it reaches the same workstation position to perform clamping; this achieves a more efficient transfer setting for saturated loads; the dual-state switching enables the same set of dual-adaptive clamping mechanisms to have both "synchronous high-efficiency transfer" and "asynchronous interference-free operation" capabilities; in the first working state, empty bucket import and full bucket export are completed simultaneously, and the turntable mechanism does not need to wait, maximizing efficiency; in the second working state, the catching-up motion solves the spatial conflict problem between the two single-arm planetary connecting frames in the same workstation area, ensuring the reliability and safety of the clamping action; and improving the processing efficiency for a single upper or lower bucket. Attached Figure Description

[0022] Figure 1 This is a top view of the overall structure of the present invention; Figure 2 This is a three-dimensional structural diagram of the present invention; Figure 3 This is a three-dimensional structural diagram of the dual-adapter clamping mechanism of the present invention; Figure 4 This is a top view of the double-layered planetary mechanism of the present invention; Figure 5 This is a three-dimensional structural diagram of the double-layered planetary mechanism of the present invention; Figure 6 This is a three-dimensional structural diagram of the differential mechanism of the present invention.

[0023] Explanation of the labels in the diagram: 1. Main frame; 2. Turntable mechanism; 3. Limiting cavity; 4. Dual-adapter clamping mechanism; 5. Cap gripping mechanism; 6. Filling mechanism; 7. Limiting conveying mechanism; 8. Double-layered planetary mechanism; 9. Differential mechanism; 10. Clamping mechanism; 401. Central bearing rotating housing; 801. Two-stage sun gear; 802. Central drive shaft; 803. Central drive gear; 804. Planetary gear; 805. Synchronous pulley A; 806. Central drive motor; 807. 808. Synchronous pulley B; 809. Single-arm planetary connecting frame; 901. Connecting extension shaft A; 902. Revolutionary toothed drive seat; 903. Diverter drive gear shaft; 904. First-stage bevel gear; 905. Synchronous bevel gear; 906. Locking gear shaft; 907. Locking motor; 908. Diverter locking drive bevel gear; 909. Steering drive gear; 9000. Interlaced shaft; 1010. Lifting assembly; 1011. Clamp; 9010. Meshing locking gear. Detailed Implementation

[0024] like Figures 1 to 6 As shown, the present invention relates to an automatic import and export turntable packaging machine, comprising a main frame 1; a turntable mechanism 2 is provided inside the main frame 1; a plurality of limiting cavities 3 for loading coal sample barrels are arranged in a ring at equal intervals on the turntable mechanism 2; a double-adaptive clamping mechanism 4, a cover gripping mechanism 5, and a filling mechanism 6 are respectively arranged on the main frame 1 along the ring path of the plurality of limiting cavities 3; a metering mechanism is arranged below the filling mechanism 6 and below the coal sample barrel; a limiting conveying mechanism 7 is arranged on the side of the main frame 1 relatively away from the turntable mechanism 2; the limiting conveying mechanism 7 integrates an empty barrel conveying state and a full barrel conveying state; forming a feeding import movement in the empty barrel state and a loading transfer export movement in the full barrel state; wherein, the double-adaptive clamping mechanism 4 has a centrally symmetrical synchronous import and export state and a variable speed import and export state. In this invention, the limiting conveying mechanism 7 transports the empty coal sample bucket to the corresponding station of the turntable mechanism 2 in the empty bucket conveying state; the double-adaptive clamping mechanism 4 clamps the empty bucket and guides it into the limiting cavity 3 of the turntable mechanism 2; the turntable mechanism 2 rotates intermittently, sequentially transferring the coal sample bucket to the cover-grabbing mechanism 5 for cover-grabbing operation, and then to the filling mechanism 6 for filling operation, while the metering mechanism below the filling mechanism 6 measures the filling amount in real time; after filling is completed, the turntable mechanism 2 continues to rotate to the exit station, and the double-adaptive clamping mechanism 4 removes the full bucket from the exit station. The turntable mechanism 2 clamps and guides the sample to the limiting conveyor mechanism 7, which then switches to full-bucket conveying mode to transport the full bucket out. This achieves fully automated packaging operations for coal sample buckets, from empty bucket loading, turntable transfer, lid grabbing, filling and metering to full-bucket export. The entire machine uses the turntable mechanism 2 as its core to achieve parallel operation of multiple stations. Empty bucket loading and full-bucket export can be carried out simultaneously, with each process continuous and uninterrupted, significantly improving packaging efficiency. The limiting conveyor mechanism 7 integrates empty / full bucket dual states, reducing equipment space occupation and achieving multi-purpose functionality.

[0025] In an embodiment of the present invention, the dual-adapter clamping mechanism 4 includes a central bearing rotating housing 401; a double-layered planetary mechanism 8 is rotatably disposed inside the central bearing rotating housing 401; a differential mechanism 9 for driving or locking the double-layered planetary mechanism 8 is disposed on the top of the double-layered planetary mechanism 8; and clamping mechanisms 10 arranged in a centrally symmetrical manner are respectively disposed on the two extended ends of the double-layered planetary mechanism 8. This invention utilizes a dual-adaptive clamping mechanism 4 with a centrally supporting rotating housing 401 as a fixed base. Inside, a double-layered planetary mechanism 8 rotates like planets. A differential mechanism 9, located at the top, drives or locks the double-layered planetary mechanism 8. The two extended clamping mechanisms 10 are arranged symmetrically at the center and rotate synchronously or differentially with the planetary mechanism. Through the top-view symmetrical layout of the double-layered planetary mechanism 8, the differential mechanism 9, and the dual clamping mechanisms 10, a single clamping mechanism can simultaneously perform both import and export actions. This balances the rotational inertia of the two clamping mechanisms 10, ensuring smooth operation. The intervention of the differential mechanism 9 allows the two clamping mechanisms 10 to switch between synchronous and variable speed operation, providing a structural basis for subsequent catch-up workstation switching.

[0026] In an embodiment of the present invention, the double-layered planetary mechanism 8 includes two stage sun gears 801 arranged vertically inside each other; a central drive shaft 802 is provided at the center of the internal shaft of the two stage sun gears 801; two central drive gears 803 are respectively provided inside the central drive shaft 802 relative to the two stage sun gears 801; the two central drive gears 803 are respectively meshed with the corresponding two stage sun gears 801 through planetary gears 804; a synchronous pulley A805 is provided at the top of the central drive shaft 802; a central drive motor 806 for driving the synchronous pulley A805 to rotate is also provided on the internal side of the main frame 1; a synchronous pulley B807 is provided at the output end of the central drive motor 806. In this invention, the central drive motor 806 drives the synchronous pulley A805 through the synchronous pulley B807, which in turn drives the central drive shaft 802 to rotate. The two central drive gears 803 on the central drive shaft 802 drive the corresponding planetary gears 804, which in turn drive the two-stage sun gears 801 arranged vertically to rotate. Through the synchronous belt drive of the single central drive motor 806, the rotational power effect of the two-stage sun gears 801 in the upper and lower layers is achieved.

[0027] In an embodiment of the present invention, each two-stage sun gear 801 is provided with only one planetary gear 804; and the planetary gear 804 is connected to the central drive shaft 802 through a single-arm planetary connecting frame 808.

[0028] In an embodiment of the present invention, a connecting extension shaft A809 is provided at the bottom of the upper single-arm planetary carrier 808, and the connecting extension shaft A809 passes through the two-stage sun gears 801 located on the lower side. In the present invention, each two-stage sun gear 801 is equipped with only one planetary gear 804, which is connected to the central drive shaft 802 through the single-arm planetary carrier 808 to form a single planetary gear single-arm transmission structure; the connecting extension shaft A809 is provided at the bottom of the upper single-arm planetary carrier 808, and the shaft passes downward into the interior of the lower two-stage sun gears 801 to realize the axial through connection of the upper and lower single-arm planetary carriers 808; and based on the single-arm planetary carrier 808, sufficient rotation space is provided, optimizing the limited activity space caused by traditional multi-arm planetary carriers.

[0029] In an embodiment of the present invention, the differential mechanism 9 includes a revolving toothed drive seat 901 arranged on the main frame 1 via a bearing seat; a split drive gear shaft 902 is respectively arranged on both sides of the revolving toothed drive seat 901; wherein, a first-stage bevel gear 903 is respectively arranged at the end of the two split drive gear shafts 902; the two first-stage bevel gears 903 are meshed and connected by two synchronous bevel gears 904; wherein any one of the split drive gear shafts 902 is rotatably connected to the revolving toothed drive seat 901, and the two synchronous bevel gears 904 are arranged on the revolving toothed drive seat 901; wherein the revolving toothed drive seat 901 is driven by a locking gear shaft 905 and a locking motor 906. In this invention, the locking motor 906 controls the locking or releasing of the revolving toothed drive seat 901 via the locking gear shaft 905; two split drive gear shafts 902 rotate on the revolving toothed drive seat 901, and the first-stage bevel gears 903 at the ends mesh with each other through the synchronous bevel gears 904 to achieve power splitting; the locking motor 906 switches the free / locked state of the revolving toothed drive seat 901, and in conjunction with the bevel gear splitting, controls the same speed or differential speed output of the two split drive gear shafts 902; the state switching only requires controlling the locking motor 906 to lock or coordinate the movement, the control logic is simple; the transmission is smooth and suitable for frequent switching of working conditions.

[0030] In an embodiment of the present invention, the differential mechanism 9 further includes a flow-splitting locking drive bevel gear 907 disposed at the end of the flow-splitting drive gear shaft 902; a steering drive gear 908 is disposed at the end of the flow-splitting locking drive bevel gear 907; and a meshing locking gear 9010 is disposed at the end of the steering drive gear 908 via a cross shaft 909; wherein, the two meshing locking gears 9010 are respectively meshed with two two-stage sun gears 801 arranged vertically. In the present invention, the flow-splitting locking drive bevel gear 907 at the end of the flow-splitting drive gear shaft 902 transmits power to the steering drive gear 908, and drives the meshing locking gears 9010 after reversing through the cross shaft 909. The two meshing locking gears 9010 respectively mesh with the upper and lower two-stage sun gears 801, transmitting the speed difference output by the differential mechanism 9 to the two-stage sun gears 801; In an embodiment of the present invention, the clamping mechanism 10 includes a lifting assembly 1010 fixed to the bottom of the single-arm planetary connecting frame 808; a clamp 1011 is provided at the bottom of the lifting assembly 1010. In the present invention, the clamping mechanism 10 moves vertically up and down through the lifting assembly 1010 fixed to the bottom of the single-arm planetary connecting frame 808, for separation from the limiting block of the coal sample bucket in the turntable mechanism 2 and the limiting conveying mechanism 7.

[0031] In an embodiment of the present invention, the differential mechanism 9 has a first working state and a second working state; In the first working state, the locking motor 906 locks the revolving toothed drive seat 901 through the locking gear shaft 905, thereby locking the two two-stage sun gears 801; the center drive motor 806 drives the two single-arm planetary connecting frames 808 to rotate synchronously at the same speed. One of the single-arm planetary connecting frames 808 drags the clamping mechanism 10 to guide the empty coal sample bucket from the limiting conveying mechanism 7 to the turntable mechanism 2, while the other single-arm planetary connecting frame 808 drags the clamping mechanism 10 to guide the full coal sample bucket from the turntable mechanism 2 to the limiting conveying mechanism 7. In the second working state, the center drive motor 806 drives the two two-stage sun gears 801 to rotate in the same direction. The differential mechanism 9 causes the two two-stage sun gears 801 to generate an angular velocity difference, so that after the first single-arm planetary connecting frame 808 drags the clamping mechanism 10 to clamp and lift the coal sample bucket and separate it from the limiting conveying mechanism 7 or the turntable mechanism 2, the second single-arm planetary connecting frame 808 chases and rotates at a higher angular velocity. In this invention, the locking motor 906 locks the revolving toothed drive seat 901 via the locking gear shaft 905, locking the two-stage sun gears 801; the central drive motor 806 drives the two single-arm planetary connecting frames 808 to rotate synchronously at the same speed, guiding the empty coal sample bucket from the limiting conveying mechanism 7 into the turntable mechanism 2, while the other arm guides the full coal sample bucket from the turntable mechanism 2 to the limiting conveying mechanism 7; thus satisfying the unsaturated load transfer setting; and upon release via the locking motor 906, the central drive motor 806 drives the two-stage sun gears 801 to rotate in the same direction, and the differential speed mechanism 9 creates an angular velocity difference between the upper and lower sun gears 801; the first single-arm planetary connecting frame 808 first clamps and lifts the coal sample bucket and... Separated from the limiting conveyor mechanism 7 or the turntable mechanism 2, the subsequent single-arm planetary connecting frame 808 chases at a higher angular velocity until it reaches the same workstation position to perform clamping; achieving a more efficient transfer setting for saturated loads; the dual-state switching enables the same set of dual-adaptive clamping mechanisms 4 to have both "synchronous high-efficiency transfer" and "asynchronous interference-free operation" capabilities; in the first working state, empty bucket import and full bucket export are completed simultaneously, and the turntable mechanism 2 does not need to wait, maximizing efficiency; in the second working state, the chasing motion solves the spatial conflict problem of the two single-arm planetary connecting frames 808 in the same workstation area, ensuring the reliability and safety of the clamping action; improving the processing efficiency for a single upper or lower bucket.

[0032] Working principle: The entire machine of this invention is centered on the turntable mechanism 2, with the limiting conveying mechanism 7, the double-adaptive clamping mechanism 4, the cap gripping mechanism 5, and the filling mechanism 6 arranged sequentially along the turntable's circular path, forming a multi-station parallel operation layout. The overall machine workflow is as follows; First, the limiting conveying mechanism 7 switches to empty barrel conveying mode, conveying the empty coal sample barrel to the feeding station; the dual-adapter clamping mechanism 4 performs a clamping action, guiding the empty barrel into the limiting cavity 3 of the turntable mechanism 2. The turntable mechanism 2 rotates intermittently, sequentially moving the coal sample barrel to the cap-grabbing mechanism 5 for cap opening, and then to the filling mechanism 6 for coal sample filling. During the filling process, the metering mechanism located below measures the filling amount in real time. After filling is completed and the cap is closed, the turntable continues to rotate to the export station, where the dual-adapter clamping mechanism 4 clamps and exports the full barrel to the limiting conveying mechanism 7, which switches to full barrel conveying mode to transport the full barrel out, completing a full packaging cycle. The core mechanism of this invention is the switching between two working states of the dual-adapter clamping mechanism 4: The dual-adapter clamping mechanism 4 uses the central bearing rotating housing 401 as a fixed base, and has a double-layered planetary mechanism 8 inside. A differential mechanism 9 is arranged on its top, and clamping mechanisms 10 arranged in a centrally symmetrical manner are installed on its two extended ends. In the first working state, the locking motor 906 locks the revolving toothed drive seat 901 through the locking gear shaft 905, thereby locking the upper and lower sun gears 801 simultaneously. The central drive motor 806 drives the central drive shaft 802 to rotate, and the two single-arm planetary connecting frames 808 revolve synchronously at the same speed on their respective locked sun gears. At this time, one clamping mechanism guides the empty coal sample bucket from the limiting conveying mechanism into the limiting cavity of the turntable mechanism, and the other clamping mechanism simultaneously guides the full coal sample bucket from the turntable mechanism to the limiting conveying mechanism, realizing "one in, one out" parallel operation without waiting. In the second working state, the locking motor 906 is released, and the revolving toothed drive seat 901 returns to its free state. The central drive motor 806 continues to drive the central drive shaft, and the differential mechanism 9 creates an angular velocity difference between the upper and lower sun gears 801. The preceding single-arm planetary connecting frame first clamps and lifts the coal sample bucket, separating it from the limiting conveying mechanism or turntable mechanism. The following single-arm planetary connecting frame then catches up with the rotation at a higher angular velocity until it reaches the same workstation to perform the next clamping operation. This configuration resolves the spatial interference problem between the two clamping mechanisms in the same workstation area and further improves the efficiency of loading or unloading the bucket.

[0033] The embodiments disclosed in this invention are preferred embodiments, but are not limited thereto. Those skilled in the art can easily understand the spirit of this invention based on the above embodiments and make different extensions and variations, but as long as they do not depart from the spirit of this invention, they are all within the protection scope of this invention.

Claims

1. An automatic import / export rotary packaging machine, characterized in that, The system includes a main frame (1); a turntable mechanism (2) is provided inside the main frame (1); a plurality of limiting cavities (3) for loading coal sample barrels are arranged in a ring at equal intervals on the turntable mechanism (2); a double-adaptive clamping mechanism (4), a cover grabbing mechanism (5), and a filling mechanism (6) are respectively provided on the main frame (1) along the ring path of the plurality of limiting cavities (3); a metering mechanism is provided below the filling mechanism (6) and below the coal sample barrel; a limiting conveying mechanism (7) is provided on the side of the main frame (1) that is relatively far away from the turntable mechanism (2). The limiting conveying mechanism (7) integrates the empty barrel conveying state and the full barrel conveying state; forming the feeding and guiding motion of the coal sample barrel in the empty barrel state and the load transfer and export motion of the coal sample barrel in the full barrel state. The dual-adapter clamping mechanism (4) has a centrally symmetrical synchronous import / export state and a variable-speed import / export state.

2. The automatic import / export rotary packaging machine according to claim 1, characterized in that, The dual-adapter clamping mechanism (4) includes a central bearing rotating housing (401); a double-layered planetary mechanism (8) is rotatably arranged inside the central bearing rotating housing (401); a differential mechanism (9) for driving or locking the double-layered planetary mechanism (8) is provided on the top of the double-layered planetary mechanism (8); and clamping mechanisms (10) arranged in a centrally symmetrical manner are respectively provided on the two extended ends of the double-layered planetary mechanism (8).

3. The automatic import / export rotary packaging machine according to claim 2, characterized in that, The double-layered planetary mechanism (8) includes two sun gears (801) arranged vertically inside the mechanism; a central drive shaft (802) is provided at the center of the shaft inside the two sun gears (801); two central drive gears (803) are respectively provided inside the two sun gears (801) on the central drive shaft (802); the two central drive gears (803) are respectively meshed with the corresponding two sun gears (801) through planetary gears (804); The top of the central drive shaft (802) is provided with a synchronous wheel A (805); the inner side of the main frame (1) is also provided with a central drive motor (806) for driving the synchronous wheel A (805) to rotate; the output end of the central drive motor (806) is provided with a synchronous wheel B (807).

4. An automatic import / export rotary packaging machine according to claim 3, characterized in that, Each of the two-stage sun gears (801) contains only one planetary gear (804); and the planetary gear (804) is connected to the central drive shaft (802) via a single-arm planetary connector (808).

5. An automatic import / export rotary packaging machine according to claim 4, characterized in that, A connecting extension shaft A (809) is provided at the bottom of the single-arm planetary connecting frame (808) located on the upper side, and the connecting extension shaft A (809) passes through the two-stage sun gear (801) located on the lower side.

6. An automatic import / export rotary packaging machine according to claim 5, characterized in that, The differential mechanism (9) includes a revolving toothed drive seat (901) arranged on the main frame (1) via a bearing seat; a split drive gear shaft (902) is provided on both sides of the revolving toothed drive seat (901); wherein, a first-stage bevel gear (903) is provided at the end of each of the two split drive gear shafts (902); the two first-stage bevel gears (903) are meshed and connected by two synchronous bevel gears (904); One of the split drive gear shafts (902) is rotatably connected to the orbital toothed drive seat (901), and the two synchronous bevel gears (904) are arranged on the orbital toothed drive seat (901); The orbital toothed drive seat (901) is driven by a locking gear shaft (905) and a locking motor (906).

7. An automatic import / export rotary packaging machine according to claim 6, characterized in that, The differential mechanism (9) further includes a flow-blocking drive bevel gear (907) arranged at the end of the flow-blocking drive gear shaft (902); the end of the flow-blocking drive bevel gear (907) is provided with a steering drive gear (908); the end of the steering drive gear (908) is provided with a meshing locking gear (9010) through a cross shaft (909); wherein, the two meshing locking gears (9010) are respectively meshed with the two two-stage sun gears (801) arranged vertically.

8. An automatic import / export rotary packaging machine according to claim 7, characterized in that, The clamping mechanism (10) includes a lifting assembly (1010) fixed to the bottom of the single-arm planetary connector (808); a clamp (1011) is provided at the bottom of the lifting assembly (1010).

9. An automatic import / export rotary packaging machine according to claim 7, characterized in that, The differential mechanism (9) has a first working state and a second working state; In the first working state, the locking motor (906) locks the revolving toothed drive seat (901) through the locking gear shaft (905), thereby locking the two two-stage sun gears (801); the center drive motor (806) drives the two single-arm planetary connecting frames (808) to rotate synchronously at the same speed. One of the single-arm planetary connecting frames (808) drags the clamping mechanism (10) to guide the empty coal sample bucket from the limiting conveying mechanism (7) to the turntable mechanism (2), while the other single-arm planetary connecting frame (808) drags the clamping mechanism (10) to guide the full coal sample bucket from the turntable mechanism (2) to the limiting conveying mechanism (7). In the second working state, the central drive motor (806) drives the two two-stage sun gears (801) to rotate in the same direction. The differential mechanism (9) causes the two two-stage sun gears (801) to generate an angular velocity difference, thereby causing the current single-arm planetary connecting frame (808) to drag the clamping mechanism (10) to clamp and lift the coal sample bucket and separate it from the limiting conveying mechanism (7) or the turntable mechanism (2). Then, the next single-arm planetary connecting frame (808) will chase and rotate at a higher angular velocity.

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