Powder filling and packaging machine

Abstract

The application is suitable for the technical field of packaging machines, and provides a powder filling packaging machine, which comprises a rack, a storage box is arranged on the rack, a movable insertion pipe is slidably installed in a discharge pipe at the bottom of the storage box, and further comprises an adjusting mechanism, the adjusting mechanism comprises a driving shaft, a first rotating disc is installed on the driving shaft, a first guide groove is formed in the first rotating disc, a first sliding rod is slidably installed in the first guide groove, and the first sliding rod is connected with the movable insertion pipe; a plastic sealing mechanism comprises a transmission shaft, a second rotating disc is installed on the transmission shaft, a second guide groove is formed in the second rotating disc, two second sliding rods are slidably installed in the second guide groove, and the second sliding rods are connected with a plastic sealing assembly through a transmission rod. The device can realize automatic clamping and plastic sealing of packaging bags, can effectively prevent powder overflow during powder filling, has low production cost and high work efficiency.

Description

Technical Field

[0001] This invention belongs to the field of packaging machine technology, and in particular relates to a powder filling packaging machine. Background Technology

[0002] Powder packaging machines are widely used in many industries, such as pharmaceuticals, food, and chemicals. These machines are used to automatically package large quantities of powdered, crystalline, and granular products into plastic bags according to the required weight for sale, thus providing convenience for users.

[0003] In existing technologies, when filling powder packaging machines, the discharge port of the machine and the opening of the powder packaging bag are separate. The expanded powder packaging bag contains a lot of air, which is amplified during filling. Because raw materials are prone to dust generation, powder easily diffuses between the discharge port and the bag opening, increasing ultrafine dust in the workshop. This not only wastes raw materials but also deteriorates the working environment, affecting the operators' performance. Furthermore, existing powder packaging machines with dust-proof functions often have complex control structures and high procurement costs, making them unsuitable for small processing plants. Summary of the Invention

[0004] The purpose of this invention is to provide a powder filling and packaging machine, which aims to solve the problems mentioned in the background art.

[0005] This invention is implemented as follows: a powder filling and packaging machine includes a frame, a storage bin on the frame, and the storage bin is detachably mounted on the frame via a mounting bracket. A discharge pipe is provided at the bottom of the storage bin, and a movable insert is slidably mounted at the bottom of the discharge pipe. The machine also includes: An adjustment mechanism includes a drive motor and a drive shaft mounted on a frame, with the output end of the drive motor connected to the drive shaft. A first turntable is mounted on the drive shaft, and a first guide groove is provided on the first turntable. A first sliding rod is slidably mounted in the first guide groove, and the end of the first sliding rod away from the drive shaft is connected to the side wall of the movable insertion tube. The first guide groove includes a first large arc segment, a first small arc segment, and two connecting slides. The two ends of the first large arc segment and the first small arc segment are connected to each other through the connecting slides, and the first large arc segment and the first small arc segment are concentric. A sealing mechanism includes a drive shaft mounted on a frame and two drive rods symmetrically mounted at the bottom of the frame. A second turntable is mounted on the drive shaft, and a second guide groove is provided on the second turntable. The second guide groove includes two symmetrically arranged second large arc segments, two symmetrically arranged second small arc segments, and a transition slide for connecting the second large arc segments and the second small arc segments. The angle difference between the second large arc segments and the second small arc segments is 90°. Two second sliding rods are slidably installed in the second guide groove, and the two second sliding rods are symmetrically installed in the second guide groove. Each of the two second sliding rods is connected to a drive rod, and the two drive rods are slidably installed on a first sliding seat provided at the bottom of the frame. The two drive rods are also connected to a sealing component for sealing the packaging bag. A transmission gear is mounted on the transmission shaft, and an incomplete gear that intermittently meshes with the transmission gear is mounted on the drive shaft. The area where the teeth of the incomplete gear are distributed corresponds to the central angle of the first small arc segment, and the ratio of the number of teeth of the incomplete gear to the transmission gear is one to two.

[0006] A further technical solution is that the mounting frame includes two mounting columns symmetrically mounted on the frame and two fixing semi-rings symmetrically mounted on the side wall of the storage box. Each of the two fixing semi-rings is connected to a connecting column, and the two connecting columns are respectively installed on the top of a mounting column. The side wall of the storage box is also provided with a limiting platform that cooperates with the fixing semi-rings.

[0007] In a further technical solution, the sealing assembly includes a connecting rod connected to the transmission rod, and a guide rod is connected to the end of the connecting rod away from the transmission rod. A pressure plate is provided at the end of the guide rods in both sealing assemblies that are close to each other, and a thermoplastic strip for heat sealing the packaging bag is provided on the pressure plate.

[0008] In a further technical solution, the molding assembly also includes two second guide seats symmetrically installed at the bottom of the frame, and the two guide rods are slidably installed in one of the second guide seats.

[0009] In a further technical solution, the discharge pipe is also equipped with a clamping component for sealing the packaging bag that is being filled with powder. The clamping component is connected to the movable insertion tube, and the clamping component seals the packaging bag by converting the linear motion of the movable insertion tube into rotational motion.

[0010] A further technical solution includes two L-shaped connecting rods symmetrically mounted on the side wall of the discharge pipe, both L-shaped connecting rods being rotatably mounted on the discharge pipe. A locking half-ring is rotatably mounted on the end of the L-shaped connecting rod away from the discharge pipe, and a return torsion spring is provided at the connection between the locking half-ring and the L-shaped connecting rod. Locking plates are also provided at both ends of the locking half-ring. An auxiliary connecting rod is also rotatably mounted on the L-shaped connecting rod, and the end of the auxiliary connecting rod away from the L-shaped connecting rod is rotatably mounted on the side wall of the movable insertion tube.

[0011] In a further technical solution, the drive motor is connected to the drive shaft via a pulley and belt mechanism.

[0012] This invention provides a powder filling and packaging machine. In use, the drive motor is started, and the packaging bag is simultaneously placed below the discharge pipe. The drive motor drives the drive shaft to rotate via a pulley and belt mechanism. The drive shaft drives the first turntable to rotate synchronously. Initially, the first sliding rod is located in the first large arc segment, and the movable insert is at its upper limit position. As the first turntable rotates, the first sliding rod enters the first small arc segment through the connecting slide. During this process, the first sliding rod drives the movable insert to slide downwards, allowing it to insert into the opening of the packaging bag, thus filling the packaging bag with powder. When the first sliding rod moves to the first small arc segment, the teeth on the incomplete gear mesh with the transmission gear, allowing the incomplete gear to drive the transmission gear to rotate. The transmission gear then drives the transmission shaft to rotate synchronously. When the first sliding rod moves from the first small arc segment to the connecting slide, the teeth on the incomplete gear disengage from the transmission gear, and the transmission gear has rotated exactly 180°. Initially, the second sliding rod is located in the second large arc segment. The drive shaft drives the second turntable to rotate synchronously, which in turn drives the second guide groove to rotate synchronously. This causes the second sliding rod to move through the transition slide to the second small arc segment. During this process, the second sliding rod drives the drive rod to slide along the first sliding seat towards the side closer to the movable insert. The drive rod drives the sealing assembly to move synchronously. Under the synchronous drive of the two drive rods on both sides, the two sealing assemblies move simultaneously towards the side closer to the movable insert, thereby sealing the packaged bag after powder filling. Then, as the second turntable continues to rotate, the second sliding rod moves from the second small arc segment through the transition slide to the second large arc segment, thus returning the second sliding rod to its initial state. This device can automatically clamp and seal the packaged bag without a complex control system, and can effectively prevent powder spillage during the powder filling process. It has low production costs, high working efficiency, and is easy for small processing plants to promote and use. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a powder filling and packaging machine provided in an embodiment of the present invention; Figure 2 This is a partial structural diagram of a powder filling and packaging machine provided in an embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of the first turntable in a powder filling and packaging machine according to an embodiment of the present invention; Figure 4 A powder filling and packaging machine provided in an embodiment of the present invention Figure 1 Enlarged view of point A; Figure 5 This is a structural schematic diagram of a powder filling and packaging machine from a bottom view, provided in an embodiment of the present invention; Figure 6 A powder filling and packaging machine provided in an embodiment of the present invention Figure 5 Enlarged view of point B; Figure 7 This is a schematic diagram of the structure of the second turntable in a powder filling and packaging machine according to an embodiment of the present invention; Figure 8 This is a schematic diagram of the structure of the second turntable and the drive shaft in a powder filling and packaging machine provided in an embodiment of the present invention.

[0014] In the attached diagram: 1. Frame; 2. Storage bin; 21. Limiting platform; 22. Discharge pipe; 23. Movable insertion pipe; 3. Mounting frame; 31. Mounting column; 32. Fixed half-ring; 33. Connecting column; 4. Clamping assembly; 41. L-shaped connecting rod; 42. Auxiliary connecting rod; 43. Engaging half-ring; 44. Engaging plate; 5. Adjusting mechanism; 51. Drive motor; 52. Drive shaft; 53. First turntable; 54. First guide groove; 55. First sliding rod; 56. Incomplete gear; 6. Sealing mechanism; 61. Transmission shaft; 62. Second turntable; 63. Second guide groove; 64. Second sliding rod; 65. First sliding seat; 66. Transmission gear; 67. Sealing assembly; 71. Guide rod; 72. Connecting rod; 73. Pressure plate; 74. Thermoplastic strip; 75. Second guide seat. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0016] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0017] like Figure 1-8As shown, a powder filling and packaging machine according to an embodiment of the present invention includes a frame 1, a storage bin 2 disposed on the frame 1, and the storage bin 2 being detachably mounted on the frame 1 via a mounting bracket 3. A discharge pipe 22 is disposed at the bottom of the storage bin 2, and a movable insert pipe 23 is slidably mounted at the bottom of the discharge pipe 22. The machine also includes: The adjustment mechanism 5 includes a drive motor 51 and a drive shaft 52 mounted on the frame 1. The output end of the drive motor 51 is connected to the drive shaft 52. A first turntable 53 is mounted on the drive shaft 52. A first guide groove 54 is provided on the first turntable 53. A first sliding rod 55 is slidably installed in the first guide groove 54. The end of the first sliding rod 55 away from the drive shaft 52 is connected to the side wall of the movable insertion tube 23. The first guide groove 54 includes a first large arc segment, a first small arc segment, and two connecting slides. The two ends of the first large arc segment and the first small arc segment are connected to each other through the connecting slides. The first large arc segment and the first small arc segment are concentric. The sealing mechanism 6 includes a drive shaft 61 mounted on a frame 1 and two drive rods 65 symmetrically mounted on the bottom of the frame 1. A second turntable 62 is mounted on the drive shaft 61. A second guide groove 63 is provided on the second turntable 62. The second guide groove 63 includes two symmetrically arranged second large arc segments, two symmetrically arranged second small arc segments, and a transition slide for connecting the second large arc segments and the second small arc segments. The angle difference between the second large arc segments and the second small arc segments is 90°. Two second sliding rods 64 are slidably mounted in the second guide groove 63. The two second sliding rods 64 are symmetrically mounted in the second guide groove 63. The two second sliding rods 64 are respectively connected to a drive rod 65. The two drive rods 65 are respectively slidably mounted on a first sliding seat 66 provided at the bottom of the frame 1. The two drive rods 65 are also respectively connected to a sealing assembly 7 for sealing the packaging bag. A transmission gear 67 is mounted on the transmission shaft 61, and an incomplete gear 56 that intermittently meshes with the transmission gear 67 is mounted on the drive shaft 52. The area where the teeth of the incomplete gear 56 are distributed corresponds to the central angle of the first small arc segment, and the ratio of the number of teeth of the incomplete gear 56 to the number of teeth of the transmission gear 67 is one to two.

[0018] In this embodiment of the invention, the first large arc segment and the first small arc segment of the first guide groove 54 are distributed on both sides of the drive shaft 52. In use, the drive motor 51 is started, and then the packaging bag is simultaneously placed below the discharge pipe 22. The drive motor 51 drives the drive shaft 52 to rotate via a pulley and belt mechanism. The drive shaft 52 drives the first turntable 53 to rotate synchronously. Initially, the first sliding rod 55 is located in the first large arc segment, and the movable insertion tube 23 is at its upper limit position. As the first turntable 53 rotates, the first sliding rod 55 enters the first small arc segment through the connecting slide. During this process, the first sliding rod 55 drives the movable insertion tube 23 to slide downwards, thereby inserting the movable insertion tube 23 into the opening of the packaging bag. At this point, material can be discharged, filling the packaging bag with powder. Furthermore, when the first sliding rod 55 moves to the first small arc segment, the teeth on the incomplete gear 56 mesh with the transmission gear 67. At this time, the incomplete gear 56 can drive the transmission gear 67 to rotate, and the transmission gear 67 drives the transmission shaft 61 to rotate synchronously. When the first sliding rod 55 moves from the first small arc segment to the connecting slide, the teeth on the incomplete gear 56 disengage from the transmission gear 67, and at this time the transmission gear 67 has rotated exactly 180°. In the initial state, the second sliding rod 64 is located in the second large arc segment. The drive shaft 61 can drive the second turntable 62 to rotate synchronously. The second turntable 62 drives the second guide groove 63 to rotate synchronously, so that the second sliding rod 64 moves through the transition slide to the second small arc segment. During this process (the second turntable 62 rotates 90°), the second sliding rod 64 will drive the drive rod 65 to slide along the first sliding seat 66 towards the side closer to the movable insertion tube 23. The drive rod 65 will drive the sealing assembly 7 to move synchronously. Under the synchronous drive of the two drive rods 65 on both sides, the two sealing assemblies 7 will move towards the side closer to the movable insertion tube 23 at the same time, thereby sealing the packaging bag after the powder filling is completed. Then, as the second turntable 62 continues to rotate (the second turntable 62 continues to rotate 90°), the second sliding rod 64 will move from the second small arc segment through the transition slide to the second large arc segment, so that the second sliding rod 64 returns to the initial state.

[0019] like Figure 1 As shown, in a preferred embodiment of the present invention, the mounting frame 3 includes two mounting columns 31 symmetrically mounted on the frame 1, and two fixing semi-rings 32 symmetrically mounted on the side wall of the storage box 2. The two fixing semi-rings 32 are respectively connected to a connecting column 33, and the two connecting columns 33 are respectively mounted on the top of a mounting column 31. The side wall of the storage box 2 is also provided with a limiting platform 21 that cooperates with the fixing semi-rings 32.

[0020] In this embodiment of the invention, two fixing half-rings 32 can be connected to each other by fastening bolts to form a clamp, which houses the storage box 2. The limiting platform 21 is placed above the clamp to fix the storage box 2. For easy disassembly and assembly, a connecting post 33 can be slidably installed on the top of the mounting post 31. When the two fixing half-rings 32 are disconnected, the connecting post 33 can be slid, thereby moving the corresponding fixing half-ring 32 away from the storage box 2, allowing the storage box 2 to be easily removed.

[0021] like Figure 1 , 4 As shown in Figures 5 and 6, in a preferred embodiment of the present invention, the sealing assembly 7 includes a connecting rod 72 connected to the transmission rod 65. The end of the connecting rod 72 away from the transmission rod 65 is connected to a guide rod 71. Each of the guide rods 71 ​​in the two sealing assemblies 7 is provided with a pressure plate 73 at the end that is close to each other. The pressure plate 73 is provided with a thermoplastic strip 74 for heat sealing the packaging bag.

[0022] In this embodiment of the invention, the molding assembly 7 further includes two second guide seats 75 symmetrically installed at the bottom of the frame 1, and the two guide rods 71 ​​are slidably installed in one of the second guide seats 75. The second guide seats 75 can increase the support for the guide rods 71 ​​and reduce the force on the connecting rods 72, thereby making the movement of the guide rods 71 ​​more stable and thus extending the service life of the device.

[0023] In use, the two transmission rods 65 can drive the two connecting rods 72 to move in opposite directions at the same time. The connecting rods 72 drive the guide rods 71 ​​to slide along the second guide seat 75. When the packaging bag is to be sealed, the guide rods 71 ​​can drive the two pressure plates 73 to move closer to each other, so that the two thermoplastic strips 74 abut against each other, and the packaging bag placed between the two thermoplastic strips 74 can be sealed.

[0024] like Figure 1 , 2 As shown in Figure 4, in a preferred embodiment of the present invention, the discharge pipe 22 is further equipped with a clamping component 4 for sealing the packaging bag that is being filled with powder. The clamping component 4 is connected to the movable insertion tube 23, and the clamping component 4 seals the packaging bag by converting the linear motion of the movable insertion tube 23 into rotational motion.

[0025] In this embodiment of the invention, the clamping assembly 4 includes two L-shaped connecting rods 41 symmetrically mounted on the side wall of the discharge pipe 22, and both L-shaped connecting rods 41 are rotatably mounted on the discharge pipe 22. A locking half-ring 43 is rotatably mounted on the end of the L-shaped connecting rod 41 away from the discharge pipe 22, and a return torsion spring is provided at the connection between the locking half-ring 43 and the L-shaped connecting rod 41. Locking plates 44 are also provided at both ends of the locking half-ring 43. An auxiliary connecting rod 42 is also rotatably mounted on the L-shaped connecting rod 41, and the end of the auxiliary connecting rod 42 away from the L-shaped connecting rod 41 is rotatably mounted on the side wall of the movable insertion tube 23.

[0026] During use, as the movable tube 23 moves downward, it can drive the L-shaped connecting rod 41 to rotate via the auxiliary connecting rod 42. The L-shaped connecting rod 41 can drive the locking half-ring 43 to rotate towards the side of the packaging bag. When the movable tube 23 is inserted into the packaging bag, the locking half-ring 43 will lock onto the side wall of the movable tube 23, thereby fixing the packaging bag. Through the cooperation of the two locking half-rings 43, the opening of the packaging bag can be fixed on the movable tube 23. At the same time, the locking plates 44 on the two locking half-rings 43 will also stick together to clamp and seal the outer extension of the opening of the packaging bag, thereby fixing the packaging bag and effectively preventing powder from spilling out.

[0027] Working principle: In use, the drive motor 51 is started, and the packaging bag is simultaneously placed below the discharge pipe 22. The drive motor 51 drives the drive shaft 52 to rotate via a pulley and belt mechanism. The drive shaft 52 drives the first turntable 53 to rotate synchronously. Initially, the first sliding rod 55 is located in the first large arc segment, and the movable insertion tube 23 is at its upper limit position. As the first turntable 53 rotates, the first sliding rod 55 will enter the first small arc segment through the connecting slide. During this process, the first sliding rod 55 will drive the movable insertion tube 23 to slide downward, thereby allowing the movable insertion tube 23 to be inserted into the opening of the packaging bag. Simultaneously, the movable tube 23 can drive the L-shaped connecting rod 41 to rotate via the auxiliary connecting rod 42. The L-shaped connecting rod 41 can drive the locking half-ring 43 to rotate towards the side of the packaging bag. When the movable tube 23 is inserted into the packaging bag, the locking half-ring 43 will lock onto the side wall of the movable tube 23, thereby fixing the packaging bag. Through the mutual cooperation of the two locking half-rings 43, the opening of the packaging bag can be fixed on the movable tube 23. At the same time, the locking plates 44 on the two locking half-rings 43 will also stick together, thereby clamping and sealing the outer extension of the opening of the packaging bag, thus fixing the packaging bag and effectively preventing powder from overflowing. At this time, the powder can be fed into the packaging bag. When the first sliding rod 55 moves to the first small arc segment, the teeth on the incomplete gear 56 mesh with the transmission gear 67. At this time, the incomplete gear 56 can drive the transmission gear 67 to rotate, and the transmission gear 67 drives the transmission shaft 61 to rotate synchronously. When the first sliding rod 55 moves from the first small arc segment to the connecting slide, the teeth on the incomplete gear 56 disengage from the transmission gear 67, and at this time the transmission gear 67 has rotated exactly 180°. In the initial state, the second sliding rod 64 is located in the second large arc segment. The drive shaft 61 can drive the second turntable 62 to rotate synchronously. The second turntable 62 drives the second guide groove 63 to rotate synchronously, so that the second sliding rod 64 moves through the transition slide to the second small arc segment. During this process (the second turntable 62 rotates 90°), the second sliding rod 64 will drive the drive rod 65 to slide along the first sliding seat 66 towards the side closer to the movable insertion tube 23. The drive rod 65 will drive the sealing assembly 7 to move synchronously. Under the synchronous drive of the two drive rods 65 on both sides, the two sealing assemblies 7 will move towards the side closer to the movable insertion tube 23 at the same time, thereby sealing the packaging bag after the powder filling is completed. Then, as the second turntable 62 continues to rotate (the second turntable 62 continues to rotate 90°), the second sliding rod 64 will move from the second small arc segment through the transition slide to the second large arc segment, so that the second sliding rod 64 returns to the initial state.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A powder filling and packaging machine, characterized in that, The system includes a frame, on which a storage bin is mounted, and the storage bin is detachably mounted on the frame via a mounting bracket. A discharge pipe is located at the bottom of the storage bin, and a movable insert is slidably mounted at the bottom of the discharge pipe. The system also includes: An adjustment mechanism includes a drive motor and a drive shaft mounted on a frame, with the output end of the drive motor connected to the drive shaft. A first turntable is mounted on the drive shaft, and a first guide groove is provided on the first turntable. A first sliding rod is slidably mounted in the first guide groove, and the end of the first sliding rod away from the drive shaft is connected to the side wall of the movable insertion tube. The first guide groove includes a first large arc segment, a first small arc segment, and two connecting slides. The two ends of the first large arc segment and the first small arc segment are connected to each other through the connecting slides, and the first large arc segment and the first small arc segment are concentric. A sealing mechanism includes a drive shaft mounted on a frame and two drive rods symmetrically mounted at the bottom of the frame. A second turntable is mounted on the drive shaft, and a second guide groove is provided on the second turntable. The second guide groove includes two symmetrically arranged second large arc segments, two symmetrically arranged second small arc segments, and a transition slide for connecting the second large arc segments and the second small arc segments. The angle difference between the second large arc segments and the second small arc segments is 90°. Two second sliding rods are slidably installed in the second guide groove, and the two second sliding rods are symmetrically installed in the second guide groove. Each of the two second sliding rods is connected to a drive rod, and the two drive rods are slidably installed on a first sliding seat provided at the bottom of the frame. The two drive rods are also connected to a sealing component for sealing the packaging bag. A transmission gear is mounted on the transmission shaft, and an incomplete gear that intermittently meshes with the transmission gear is mounted on the drive shaft. The area where the teeth of the incomplete gear are distributed corresponds to the central angle of the first small arc segment, and the ratio of the number of teeth of the incomplete gear to the transmission gear is one to two. The sealing assembly includes a connecting rod connected to a transmission rod. A guide rod is connected to the end of the connecting rod away from the transmission rod. A pressure plate is provided at the end of the guide rods in the two sealing assemblies that are close to each other. A thermoplastic strip for heat sealing the packaging bag is provided on the pressure plate. The molding assembly also includes two second guide seats symmetrically mounted on the bottom of the frame, and the two guide rods are slidably mounted in one of the second guide seats; The discharge pipe is also equipped with a clamping component for sealing the packaging bag that is being filled with powder. The clamping component is connected to the movable insertion tube and seals the packaging bag by converting the linear motion of the movable insertion tube into rotational motion. The clamping assembly includes two L-shaped connecting rods symmetrically mounted on the side wall of the discharge pipe, and both L-shaped connecting rods are rotatably mounted on the discharge pipe. A locking half-ring is rotatably mounted on the end of the L-shaped connecting rod away from the discharge pipe, and a return torsion spring is provided at the connection between the locking half-ring and the L-shaped connecting rod. Locking plates are also provided at both ends of the locking half-ring. An auxiliary connecting rod is also rotatably mounted on the L-shaped connecting rod, and the end of the auxiliary connecting rod away from the L-shaped connecting rod is rotatably mounted on the side wall of the movable insertion tube.

2. The powder filling and packaging machine according to claim 1, characterized in that, The mounting frame includes two mounting columns symmetrically mounted on the frame and two fixing semi-rings symmetrically mounted on the side wall of the storage box. Each of the two fixing semi-rings is connected to a connecting column, and the two connecting columns are respectively mounted on the top of one of the mounting columns. The side wall of the storage box is also provided with a limiting platform that cooperates with the fixing semi-rings.

3. The powder filling and packaging machine according to claim 1, characterized in that, The drive motor is connected to the drive shaft via a pulley and belt mechanism.

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