A sauce bag filling and clamping device and method

Abstract

The application discloses a sauce bag filling and clamping device and method, and belongs to the field of filling and clamping machines. The device comprises a rack, a driving mechanism is installed on the rack, an installation disc is installed at the output end of the driving mechanism, a plurality of clamping mechanisms are installed at equal intervals on the installation disc, the clamping mechanism comprises two oppositely arranged clamping units, the clamping unit comprises a clamping main assembly and a clamping auxiliary assembly, and the clamping auxiliary assembly is driven to rotate first to clamp the packaging bag and then to move horizontally to open the bag opening of the packaging bag through the clamping main assembly or the driving mechanism. Through improvement on the existing clamping mechanism, the clamping mechanism has the structural characteristics of clamping and bag opening, the function of the traditional clamping mechanism is more diversified, the whole device has a reasonable spatial layout, is convenient for installation and use in a workshop, the complex design structure of bag opening and bag supporting in the prior art can be abandoned, the whole device structure is simpler, and the mechanical structure design also reduces the failure rate.

Description

[0001] This application is a divisional application of the invention patent application entitled "A circulating bag clamping device and method for filling sauce packets", application number 202110601199.3, and application date May 31, 2021. Technical Field

[0002] This invention relates to the technical field of filling bag clamping devices, and more particularly to a filling bag clamping device and method for sauce packets. Background Technology

[0003] The bag clamping device is one of the most important components in a filling or packaging machine. The bag clamping mechanism typically uses a clamping mechanism to pick up the packaging bag, and then, with the assistance of an external structure, opens the bag opening to facilitate filling. After filling, the auxiliary mechanism needs to be withdrawn and returned to its original position, and then the clamping mechanism closes the bag opening for final sealing. The process is complex and the structural design is cumbersome, resulting in a high failure rate and making the maintenance of the device difficult. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of the prior art, and therefore a sauce packet filling and clamping device and method are proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A sauce packet filling and clamping device includes a frame, on which a drive mechanism is mounted. An installation disc is mounted at the output end of the drive mechanism. Several clamping mechanisms are evenly spaced on the installation disc. Each clamping mechanism includes two opposing clamping units. Each clamping unit includes a main clamping component and a secondary clamping component. The secondary clamping component, driven by the main clamping component or the drive mechanism, first rotates to clamp the packaging bag and then moves laterally to open the bag opening.

[0007] More preferably, the device includes a drive motor, a drive disk, and a driven disk. The drive motor is located below the mounting disk, and the drive disk is fixedly mounted on its output end. The drive disk includes a drive part and a limiting part. The driven disk is fixedly connected to the middle part of the mounting disk via a connecting shaft, and the driven disk is provided with guide grooves adapted to the drive part and grooves that slide relative to the limiting part. The number of guide grooves is equal to the number of clamping mechanisms.

[0008] More preferably, the main clamping assembly includes a clamping fixing member fixedly mounted to the mounting disc, a guide groove formed on the clamping fixing member, a pin fixedly mounted on the clamping fixing member, and a double-stroke cylinder with one end rotatably mounted on the clamping fixing member and the other end used to drive the clamping sub-assembly. The clamping sub-assembly includes a clamping movable member rotatably mounted to the end of the double-stroke cylinder away from the clamping fixing member, a guide channel formed on the clamping movable member, and a movable body slidably mounted inside the guide groove and connected to the clamping movable member. An adsorption member is provided on each side of the clamping movable member and the clamping fixing member. When the clamping movable member and the clamping fixing member clamp the packaging bag, the angle between the double-stroke cylinder and the clamping movable member is an obtuse angle.

[0009] More preferably, the frame is provided with a fixing plate, and the fixing plate is provided with a guide structure for driving the clamping sub-assemblies.

[0010] More preferably, the clamping sub-assembly includes two telescopic drive rods rotatably mounted on the mounting disk. One end of each drive rod is rotatably mounted with a guide body adapted to the guide structure at the rotatable node. The other ends of each drive rod are rotatably connected to a connecting rod. A clamping movable part two is rotatably mounted on the end of each connecting rod away from the corresponding drive rod. A movable body two is provided on the clamping movable part two. A guide channel two is opened on the clamping movable part two. The clamping main assembly includes a clamping fixing part two fixedly mounted on the mounting disk, a guide groove two opened on the clamping fixing part two and slidingly engaged with the movable body two, an adsorption part two fixedly mounted on the clamping fixing part two, and a pin two fixedly mounted on the clamping fixing part two. The pin two is slidably engaged inside the guide channel two. When the clamping movable part two and the clamping fixing part two clamp the packaging bag, the angle between the connecting rod and the clamping movable part two is an obtuse angle.

[0011] More preferably, the guide structure includes a guide part one for rotating the clamping movable part two about the pivot pin two away from the clamping fixed part two, a guide part two for rotating the clamping movable part two about the pivot pin two towards the clamping fixed part two, a guide part three for moving the clamping movable part two horizontally to open the bag opening, and a guide part four for moving the clamping movable part two horizontally to close the bag opening.

[0012] More preferably, the guide groove two includes a rotating section two and a transverse section two integrally connected. The rotating section two is used to clamp the movable part two and rotate it around the pin two. The transverse section two is used to clamp the movable part two and move it laterally along the clamping fixed part two.

[0013] More preferably, the guide groove includes an integrally connected rotating section and a transverse section. The rotating section is used to clamp the movable part and rotate it around the pin. The transverse section is used to clamp the movable part and move it laterally along the clamping fixing part.

[0014] A method of using a sauce packet filling and clamping device includes the following steps:

[0015] S1: The bag-loading mechanism moves the packaging bag between the two clamping units. The sensor receives the signal, and the control system controls the double-stroke cylinder to start. The piston rod extends outward, causing the clamping movable part 1 to rotate around the pin 1 until the clamping surfaces of the clamping movable part 1 and the clamping fixed part 1 are parallel. At this time, the adsorption part 1 adsorbs the packaging bag, and the bag-loading mechanism resets and moves away. The piston rod of the double-stroke cylinder continues to extend outward, and the clamping movable part 1 moves laterally along the guide groove 1 on the clamping fixed part 1 through the moving body 1, and the bag opening is opened.

[0016] S2: The drive mechanism drives the mounting disc to rotate, and the packaging bag is transferred to the filling station. The filling mechanism fills the packaging bag. After the filling is completed, the piston rod of the double-stroke cylinder retracts and drives the clamping movable part to move laterally in the opposite direction along the guide groove, and the opening of the packaging bag is closed.

[0017] S3: The drive mechanism drives the installation disc to rotate, and the packaging bag is transferred to the sealing station. The sealing mechanism then seals the opening of the packaging bag.

[0018] S4: After sealing, the drive mechanism drives the mounting disc to rotate to the material collection station. The piston rod of the double-stroke cylinder is fully reset, and the clamping movable part rotates around the pin to release the packaging bag.

[0019] S5: Repeat the above steps until all the packaging of this batch of materials is completed.

[0020] A method of using a sauce packet filling and clamping device includes the following steps:

[0021] W1: The bag-loading mechanism moves the packaging bag between the two clamping units. The sensor receives the signal, and the adsorption component 2 on the clamping and fixing component 2 works and actively adsorbs the packaging bag. At the same time, the bag-loading mechanism resets and moves away. The drive mechanism drives the mounting disc to move towards the filling station. During the movement, the guide body moves through the guide part 2 of the guide structure. The movement of the guide body drives the rotation of the drive rod. The rotation of the drive rod drives the connecting rod to move and rotates the clamping movable component 2 around the pin shaft 2 until the clamping surfaces of the clamping movable component 2 and the clamping fixing component 2 are parallel. The guide part 3 of the guide structure continues to drive the moving body 2 to move. The clamping movable component 2 moves laterally along the guide groove 2 on the clamping fixing component 2 through the moving body 2, and the bag opening is opened.

[0022] W2: The drive mechanism drives the mounting disc to rotate, and the packaging bag is transferred to the filling station. The filling mechanism fills the packaging bag. After the filling is completed, the guide part of the guide structure continues to act on the guide body. The clamping movable part 2 moves laterally in the opposite direction along the guide groove 2 on the clamping fixed part 2 through the moving body 2, and the bag mouth of the packaging bag is closed.

[0023] W3: The drive mechanism drives the installation disc to rotate, and the packaging bag is transferred to the sealing station. The sealing mechanism then seals the opening of the packaging bag.

[0024] W4: After sealing, the drive mechanism drives the mounting disc to the material collection station. The guide part of the guide structure continues to act as a guide, and the clamping movable part 2 will rotate around the pin shaft 2 to the side away from the clamping fixed part 2, releasing the packaging bag. At the same time, the adsorption part 2 loses its adsorption function on the packaging bag.

[0025] W5: Repeat the above steps until all the packaging for this batch of materials is completed.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] This invention improves existing clamping mechanisms, enabling both clamping and bag-opening functions to be achieved in both clamping and bag-opening methods. This makes the traditional clamping mechanism more versatile, optimizes the spatial layout of the entire device, and facilitates installation and use in workshops. At the same time, it eliminates the bag-opening and bag-supporting design structure in existing technologies, making the overall device structure simpler. The mechanical structure design also reduces the failure rate. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of the present invention;

[0029] Figure 2 This is a bottom view of the overall structure of Embodiment 1 of the present invention;

[0030] Figure 3 This is a plan view of the overall structure of the drive mechanism of the present invention;

[0031] Figure 4 This is a schematic diagram of the overall structure of the clamping unit under working conditions according to Embodiment 1 of the present invention;

[0032] Figure 5 This is a schematic diagram of the overall structure of the clamping unit under non-working conditions in Embodiment 1 of the present invention;

[0033] Figure 6 This is a schematic diagram of the overall structure of Embodiment 2 of the present invention;

[0034] Figure 7 This is a connection diagram of the clamping unit and the fixing disk in Embodiment 2 of the present invention;

[0035] Figure 8 This is a top view of the fixed disk in Embodiment 2 of the present invention;

[0036] Figure 9 This is a schematic diagram of the overall structure of the clamping unit under working conditions according to Embodiment 2 of the present invention;

[0037] Figure 10 This is a schematic diagram of the overall structure of the clamping unit clamping part under working conditions in Embodiment 2 of the present invention.

[0038] In the diagram: 1. Frame; 2. Mounting disc; 3. Drive motor; 4. Drive disc; 5. Driven disc; 6. Clamping fixture 1; 7. Guide groove 1; 8. Pin 1; 9. Double-stroke cylinder; 10. Clamping movable part 1; 11. Guide channel 1; 13. Moving body 1; 14. Adsorption component 1; 15. Fixed disc; 16. Drive rod; 17. Guide body; 18. Connecting rod; 19. Guide structure; 191. Guide part 1; 192. Guide part 2; 193. Guide part 3; 194. Guide part 4; 20. Clamping movable part 2; 21. Pin 2; 22. Guide channel 2; 23. Moving body 2; 25. Clamping fixture 2; 26. Guide groove 2; 27. Adsorption component 2. Detailed Implementation

[0039] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0040] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0041] Example 1:

[0042] like Figures 1 to 5As shown, a sauce packet filling and clamping device includes a frame 1, on which a drive mechanism is mounted. An mounting disc 2 is mounted at the output end of the drive mechanism. Several clamping mechanisms, preferably four groups, are evenly spaced on the mounting disc 2, corresponding to four workstations: a bag-loading station, a filling station, a sealing station, and a material collection station. Each clamping mechanism includes two opposing clamping units. Each clamping unit includes a main clamping component and a secondary clamping component. Driven by the main clamping component, the secondary clamping component first rotates to clamp the packaging bag, and then moves laterally to open the bag opening.

[0043] The driving mechanism includes a drive motor 3, a drive disk 4, and a driven disk 5. The drive motor 3 is located below the mounting disk 2, and the drive disk 4 is fixedly mounted on its output end. The drive disk 4 includes a driving part and a limiting part. The driven disk 5 is fixedly connected to the middle of the mounting disk 2 via a connecting shaft. The driven disk 5 is provided with guide grooves adapted to the driving part and grooves that slide relative to the limiting part. The number of guide grooves is equal to the number of clamping mechanisms. The drive motor 3 drives the drive disk 4 to rotate. The drive disk 4, using its driving part, adapts to the guide grooves on the driven disk 5 and drives the mounting disk 2. When the groove slides relative to the limiting part, an intermittent process is achieved. During this process, bag loading, filling, and sealing operations are carried out.

[0044] The main clamping assembly includes a clamping fixing member 6 fixedly installed with the mounting disk 2, a guide groove 7 opened on the clamping fixing member 6, a pin 8 fixedly installed on the clamping fixing member 6, and a double-stroke cylinder 9 with one end rotatably installed on the clamping fixing member 6 and the other end used to drive the clamping sub-assembly. The clamping sub-assembly includes a clamping movable member 10 rotatably installed with the end of the double-stroke cylinder 9 away from the clamping fixing member 6, a guide channel 11 opened on the clamping movable member 10, and a movable body 13 slidably installed inside the guide groove 7 and connected to the clamping movable member 10. The clamping movable member 10 and the clamping fixing member 6 are each provided with an adsorption member 14 on opposite sides. The dual-stroke cylinder 9, with its two different strokes, enables the clamping movable part 10 to clamp and open / close the packaging bag. During the process, the clamping movable part 10, under the combined action of the moving body 13 and the guide groove 7, first rotates around the pin 8 to clamp the packaging bag. Then, under the combined action of the moving body 13 and the guide groove 7, the clamping movable part 10 moves laterally to open and close the bag opening. Simultaneously, the packaging bag is attracted by two suction components 14. When the clamping movable part 10 and the clamping fixing component 6 clamp the packaging bag, the angle between the dual-stroke cylinder 9 and the clamping movable part 10 is an obtuse angle. This obtuse angle facilitates the lateral movement of the clamping movable part 10.

[0045] The guide groove 7 includes an integrally connected rotating section 1 and a transverse section 1. The rotating section 1 is used to clamp the movable part 10 and rotate it around the pin 8. The transverse section 1 is used to clamp the movable part 10 and move it laterally along the clamping and fixing part 6.

[0046] Example 2: The difference from Example 1 is:

[0047] like Figures 6 to 10 As shown, a fixed plate 15 is provided on the frame 1, and a guide structure 19, preferably a guide groove, is provided on the fixed plate 15 to drive the clamping sub-assembly.

[0048] The clamping assembly includes two telescopic drive rods 16, each rotatably mounted on the mounting disc 2. One end of each drive rod 16 is rotatably mounted with a guide body 17 adapted to the guide structure 19 at the rotatable node. The guide body 17 is preferably a roller or a pin. The other ends of each drive rod 16 are rotatably connected to a connecting rod 18. The ends of each connecting rod 18 away from the corresponding drive rod 16 are rotatably mounted with a clamping movable part 20. When the guide body 17 is at different positions of the guide structure 19, the drive rod 16 will change position and angle, thereby causing the clamping movable part 20 to move through the connecting rod 18.

[0049] The clamping movable component 20 is provided with a movable body 23, and a guide channel 22 is provided on the clamping movable component 20. The clamping main component includes a clamping fixing component 25 fixedly installed with the mounting disk 2, a guide groove 26 opened on the clamping fixing component 25 and slidingly engaged with the movable body 23, an adsorption component 27 fixedly installed on the clamping fixing component 25, and a pin 21 fixedly installed on the clamping fixing component 25. The pin 21 is slidably engaged inside the guide channel 22. In use, after the bag-loading mechanism transfers the packaging bag to the fixed part 25 at the bag-loading station, the suction part 27 (suction cup) on it actively suctions it. As the drive mechanism drives the installation disc 2 to rotate, the guide structure 19 acts on the drive rod 16, causing it to change position and angle, which in turn drives the clamping movable part 20 to move. When clamping the packaging bag, the clamping movable part 20, under the action of the moving body 23 and the guide groove 26, first rotates the pin 21. Then, as the position and angle of the drive rod 16 change, the clamping movable part 20 will move. The second moving body 23 and the second guide groove 26 cause lateral movement, opening the bag opening and entering the filling station for filling. After filling, the guide structure 19 acts on the drive rod 16 again to change its position and angle, causing the clamping movable part 20 to move in the opposite direction. At this time, the second moving body 23 will move laterally in the opposite direction along the guide groove 26. When it moves to the sealing station, it will be sealed. Then it will enter the material collection station. At this time, the guide structure 19 will act on the guide body 17 to move the drive rod 6 to change its position and angle, causing the clamping movable part 20 to rotate and open, and the material bag will fall.

[0050] When the clamping movable part 20 and the clamping fixed part 25 clamp the packaging bag, the angle between the connecting rod 18 and the clamping movable part 20 is an obtuse angle. The obtuse angle facilitates the lateral movement of the clamping movable part 20.

[0051] The guide structure 19 includes a first guide section 191 for rotating the second clamping movable member 20 about the second pin 21 away from the second clamping fixed member 25; a second guide section 192 for rotating the second clamping movable member 20 about the second pin 21 towards the second clamping fixed member 25; a third guide section 193 for moving the second clamping movable member 20 horizontally to open the packaging bag opening; and a fourth guide section 194 for moving the second clamping movable member 20 horizontally to close the packaging bag opening. By intermittently applying different guide sections to the guide body 17, the position and angle of the drive rod 16 will change accordingly, thus achieving corresponding functions and effects for different workstations.

[0052] The guide groove 26 includes a rotating section 2 and a transverse section 2 integrally connected. The rotating section 2 is used to clamp the movable part 20 and rotate it around the pin 21. The transverse section 2 is used to clamp the movable part 20 and move it laterally along the clamping and fixing part 25.

[0053] Example 3: Specific operating steps of the device in Example 1: including the following steps:

[0054] S1: The bag-loading mechanism moves the packaging bag between the two clamping units. The sensor receives the signal, and the control system controls the double-stroke cylinder 9 to start. The piston rod extends outward, causing the clamping movable part 10 to rotate around the pin 8 until the clamping surfaces of the clamping movable part 10 and the clamping fixed part 6 are parallel. At this time, the adsorption part 14 adsorbs the packaging bag, and the bag-loading mechanism resets and moves away. The piston rod of the double-stroke cylinder 9 continues to extend outward, and the clamping movable part 10 moves laterally along the guide groove 7 on the clamping fixed part 6 through the moving body 13, and the opening of the packaging bag is opened.

[0055] S2: The drive mechanism drives the mounting disc 2 to rotate, and the packaging bag is transferred to the filling station. The packaging bag is filled by the filling mechanism. After the filling is completed, the piston rod of the double-stroke cylinder 9 is retracted, which drives the clamping movable part 10 to move laterally in the opposite direction along the guide groove 7, and the opening of the packaging bag is closed.

[0056] S3: The drive mechanism drives the mounting disc 2 to rotate, and the packaging bag is transferred to the sealing station. The sealing mechanism then seals the opening of the packaging bag.

[0057] S4: After sealing, the drive mechanism drives the mounting disc 2 to rotate to the material collection station. The piston rod of the double-stroke cylinder 9 is fully reset, and the clamping movable part 10 will rotate around the pin 8 to release the packaging bag.

[0058] S5: Repeat the above steps until all the packaging of this batch of materials is completed.

[0059] Example 4: Specific operating steps of the device in Example 2:

[0060] W1: The bag-loading mechanism moves the packaging bag between the two clamping units. The sensor receives the signal, and the suction component 27 on the clamping and fixing component 25 works and actively suctions the packaging bag. At the same time, the bag-loading mechanism resets and moves away. The drive mechanism drives the mounting disc 2 to move towards the filling station. During the movement, the guide body 17 moves through the guide part 192 of the guide structure 19. The movement of the guide body 17 drives the rotation of the drive rod 16. The rotation of the drive rod 16 drives the connecting rod 18 to move, and the clamping movable component 20 rotates around the pin 21 until the clamping surfaces of the clamping movable component 20 and the clamping fixing component 25 are parallel. The guide part 193 of the guide structure 19 continues to drive the moving body 23 to move. The clamping movable component 20 moves laterally along the guide groove 26 on the clamping fixing component 25 through the moving body 23, and the opening of the packaging bag is opened.

[0061] W2: The drive mechanism drives the mounting disc 2 to rotate, and the packaging bag is transferred to the filling station. The filling mechanism fills the packaging bag. After the filling is completed, the guide part 194 of the guide structure 19 continues to act on the guide body 17. The clamping movable part 20 moves laterally in the opposite direction along the guide groove 26 on the clamping fixed part 25 through the moving part 23, and the opening of the packaging bag is closed.

[0062] W3: The drive mechanism drives the mounting disc 2 to rotate, and the packaging bag is transferred to the sealing station. The sealing mechanism then seals the opening of the packaging bag.

[0063] W4: After sealing, the drive mechanism drives the mounting disc 2 to rotate to the material collection station. The guide part 191 of the guide structure 19 continues to act on the guide body 17. The clamping movable part 20 will rotate around the pin 21 to the side away from the clamping fixed part 25, releasing the packaging bag. At the same time, the adsorption part 27 loses its adsorption function on the packaging bag.

[0064] W5: Repeat the above steps until all the packaging for this batch of materials is completed.

[0065] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. The substitutions may be replacements of some structures, devices, or method steps, or they may be complete technical solutions. Equivalent substitutions or modifications made to the technical solutions and inventive concepts of the present invention should all be covered within the scope of protection of the present invention.

Claims

1. A sauce packet filling and clamping device, comprising a frame (1), characterized in that, A drive mechanism is installed on the frame (1), and an installation disc (2) is installed at the output end of the drive mechanism. Several clamping mechanisms are installed at equal intervals on the installation disc (2). Each clamping mechanism includes two clamping units arranged opposite to each other. Each clamping unit includes a main clamping component and a secondary clamping component. The secondary clamping component is driven by the drive mechanism to first rotate and clamp the packaging bag, and then move laterally to open the opening of the packaging bag. The frame (1) is provided with a fixed plate (15), and the fixed plate (15) is provided with a guide structure (19) for driving the clamping sub-assembly; The clamping assembly includes two telescopic drive rods (16) rotatably mounted on the mounting disc (2). One end of each drive rod (16) is rotatably mounted with a guide body (17) adapted to the guide structure (19) at the rotation node. The other ends of each drive rod (16) are rotatably connected to a connecting rod (18). A clamping movable part two (20) is rotatably mounted on the end of each connecting rod (18) away from the corresponding drive rod (16). A movable body two (23) is provided on the clamping movable part two (20), and a guide channel two (22) is opened on the clamping movable part two (20). The clamping main assembly includes a clamping fixing part two (25) fixedly installed with the mounting disc (2), a guide groove two (26) opened on the clamping fixing part two (25) and slidably engaged with the moving body two (23), an adsorption part two (27) fixedly installed on the clamping fixing part two (25), and a pin two (21) fixedly installed on the clamping fixing part two (25). The pin two (21) slidably engages inside the guide channel two (22). When the clamping movable part two (20) and the clamping fixing part two (25) clamp the packaging bag, the included angle between the connecting rod (18) and the clamping movable part two (20) is an obtuse angle. The guide structure (19) includes a guide part 1 (191) for rotating the clamping movable part 2 (20) about the pivot pin 2 (21) away from the clamping fixed part 2 (25), a guide part 2 (192) for rotating the clamping movable part 2 (20) about the pivot pin 2 (21) towards the clamping fixed part 2 (25), a guide part 3 (193) for moving the clamping movable part 2 (20) horizontally to open the bag opening, and a guide part 4 (194) for moving the clamping movable part 2 (20) horizontally to close the bag opening. The guide groove 2 (26) includes a rotating section 2 and a transverse section 2 that are integrally connected. The rotating section 2 is used to clamp the movable part 2 (20) to rotate around the pin 2 (21) as the center. The transverse section 2 is used to clamp the movable part 2 (20) to move laterally along the clamping and fixing part 2 (25).

2. The method of using the sauce packet filling and clamping device according to claim 1, characterized in that, Includes the following steps: W1: The bag-loading mechanism moves the packaging bag between the two clamping units. The sensor receives the signal, and the suction component 2 (27) on the clamping fixing component 2 (25) works and actively suctions the packaging bag. At the same time, the bag-loading mechanism resets and moves away. The drive mechanism drives the mounting disc (2) to move towards the filling station. During the movement, the guide body (17) is driven to move through the guide part 2 (192) of the guide structure (19). The movement of the guide body (17) drives the rotation of the drive rod (16). The rotation of the drive rod (16) The movement drives the connecting rod (18) to move, and rotates the clamping movable part (20) around the pin (21) until the clamping surfaces of the clamping movable part (20) and the clamping fixed part (25) are parallel. The guide part (193) of the guide structure (19) continues to drive the moving body (23) to move. The clamping movable part (20) moves laterally along the guide groove (26) on the clamping fixed part (25) through the moving body (23), and the bag opening is opened. W2: The drive mechanism drives the mounting disc (2) to rotate, and the packaging bag is transferred to the filling station. The packaging bag is filled by the filling mechanism. After the filling is completed, the guide body (17) continues to act through the guide part four (194) of the guide structure (19). The clamping movable part two (20) moves laterally in the opposite direction along the guide groove two (26) on the clamping fixed part two (25) through the moving part two (23), and the opening of the packaging bag is closed. W3: The drive mechanism drives the installation disc (2) to rotate, and the packaging bag is transferred to the sealing station. The sealing mechanism seals the opening of the packaging bag. W4: After sealing, the drive mechanism drives the mounting disc (2) to the material collection station. The guide part (191) of the guide structure (19) continues to act on the guide body (17). The clamping movable part (20) will rotate around the pin (21) to the side away from the clamping fixed part (25), releasing the packaging bag. At the same time, the adsorption part (27) loses its adsorption function on the packaging bag. W5: Repeat the above steps until all the material packages are packaged.

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