High-precision hanger packaging equipment
The high-precision hanging ear packaging device addresses uneven powder distribution by using a controlled vibration mechanism and mechanical components to achieve consistent package weights and reduce manual adjustments, enhancing production quality and efficiency.
Patent Information
- Application Number
- CN202422385980.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-29
AI Technical Summary
The existing ear-hanger packaging machines have uneven powder drops, resulting in uneven weight of the coffee ear-hanger packaging, some of which fail the factory inspection, and long-term knocking equipment affects the packaging accuracy.
A vibrator is installed on the side of the discharge conduit and the isolation cotton is wrapped outside. The vibration time and frequency of the vibrator are controlled through the control box to ensure that the powder falls evenly, and precise filter paper bag packaging is achieved through the combination of the seat plate, ply and cutter, and the outer packaging is completed with heat sealing strips and crawlers.
It achieves evenly discharge of coffee powder, improves the factory weight inspection pass rate, extends the service life of the equipment, and ensures the accuracy and efficiency of packaging.
Smart Images

Figure CN223101151U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automatic packaging, and more specifically to a high-precision hanging ear packaging device. Background Art
[0002] The drip coffee packaging equipment integrates advanced control systems, precise mechanical structures and multiple sensors to achieve automatic metering, filling, sealing, cutting, counting and printing of batch numbers for small particle materials such as drip coffee. Its technical features include high efficiency, accuracy, stability and safety. It can significantly improve packaging efficiency, reduce labor costs and ensure the consistency of packaging quality. High-precision drip coffee packaging equipment is widely used in food, medicine, tea and other industries, and is an indispensable part of modern automated production lines.
[0003] Insufficient existing technology: The existing drip coffee packaging machine in the workshop has uneven powder falling, resulting in uneven weight of the packaged coffee drip coffee bags, and some of them fail the factory weight inspection. In order to improve this situation, workshop workers often use wrenches or iron rods to hit the rotating disk and barrel, which will affect the packaging accuracy of the equipment in the long run. Utility Model Content
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a high-precision ear-hanging packaging device to solve the problems existing in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision ear-hanging packaging equipment, including a packaging cabinet, and also including: an operating cabinet, a feeder, a filter paper guide structure, and a filter paper cutting and sealing mechanism. The side of the packaging cabinet is fixedly connected to the side of the operating cabinet, the top of the operating cabinet is fixedly connected to the bottom of the feeder, the bottom of the feeder is fixedly connected to the side of the filter paper guide structure, a filter paper cutting and sealing mechanism is arranged below the filter paper guide structure, the side of the filter paper cutting and sealing mechanism is fixedly connected to the inner side of the packaging cabinet, an outer packaging bag structure, a heat-sealing paper mechanism and a crawler are arranged below the filter paper cutting and sealing mechanism, the feeder includes a feeder conduit, the side of the feeder conduit is fixedly connected with isolation cotton through a clamp, the interior of the isolation cotton is fixedly connected with a vibrator, the bottom end of the vibrator is fixedly connected to a control box through a wire, and the bottom end of the feeder conduit is fixedly connected with a feed port.
[0006] Furthermore, the top end of the material discharge conduit is fixedly connected to a rotating disk, and the bottom end of the rotating disk is fixedly connected to the top end of the control box through a support.
[0007] Furthermore, a filter paper shaping plate is fixedly connected to the side of the discharge port, the filter paper shaping plate is wide at the top and narrow at the bottom, a strip frame is fixedly connected to the side of the filter paper shaping plate, and the side of the strip frame is fixedly connected to the inner wall of the packaging cabinet.
[0008] Further, the cutting and sealing filter paper mechanism includes a clamping plate. A sealing machine is arranged between the upper part of the clamping plate and the filter paper guiding structure. The clamping plate is in a "U" shape. The bottom end of the clamping plate is fixedly connected with a slider. A sliding rod is movably connected inside the slider. One end of the sliding rod is fixedly connected with a baffle. A rectangular through hole is formed in the side surface of the baffle. A clamping plate is movably connected inside the baffle. One end side of the clamping plate is movably connected with a pushing component through a push rod. A long strip-shaped through hole is formed in the side surface of the clamping plate. A cutting knife is arranged in the through hole on the side surface of the clamping plate. The side surface of the cutting knife is fixedly connected with the side surface of the slider. The bottom end of the baffle is fixedly connected with a support plate. One end of the support plate is fixedly connected with the inner wall of the packaging cabinet. A rectangular through hole is formed in the center of the top end of the support plate. A transfer clamp is arranged below the through hole. One end of the transfer clamp is fixedly connected with a small motor. One end of the small motor is fixedly connected with the inner wall of the packaging cabinet.
[0009] Further, a bagging mold is arranged below the transfer clamp. The cross section of the bagging mold is oval. The side surface of the bagging mold is fixedly connected with the inner wall of the packaging cabinet through a fixing frame.
[0010] Further, a heat seal strip is arranged below the bagging mold. The side surface of the heat seal strip is fixedly connected with a sliding plate. One end of the sliding plate is movably connected with a round rod. The other end of the sliding plate is movably connected with a sliding groove. The side surface of the sliding groove is fixedly connected with the inner wall of the packaging cabinet.
[0011] Further, a crawler is arranged below the heat seal strip. The crawler is placed at the bottom of the inner cavity of the packaging cabinet. A square through hole is formed in the bottom of the side surface of the packaging cabinet.
[0012] Further, a filter paper winding mechanism is fixedly connected to the top end of the packaging cabinet. The filter paper winding mechanism includes an inclined plate. The top end of the inclined plate is fixedly connected with a long rod. A reel is sleeved on the side surface of the long rod. Circular plates are fixedly connected to both ends of the side surface of the long rod. A first shaft is arranged obliquely below the long rod. A swing shaft is arranged obliquely below the first shaft. A second shaft and a third shaft are arranged obliquely above the swing shaft.
[0013] Further, an outer packaging winding mechanism is arranged below the filter paper winding mechanism. The outer packaging winding mechanism includes a fourth shaft and a discharge shaft. The discharge shaft is at the same horizontal height as the outer packaging bagging structure.
[0014] The technical effects and advantages of the present utility model are as follows:
[0015] 1. By providing a vibrator, the vibrator is wrapped with isolation cotton and fixed on the side surface of the blanking conduit through a clamp. By vibrating the vibrator at a constant speed, the problem of uneven powder falling is effectively improved, which is beneficial to the increase of the passing rate of the ex-factory weight inspection.
[0016] 2. The utility model is provided with isolation cotton outside the vibrator, which avoids the direct contact between the vibrator and the blanking conduit, resulting in damage to the blanking conduit, and is beneficial to extending the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 is a schematic diagram of the partial structure of the blanking device of the utility model;
[0019] Figure 3 is a schematic diagram of the filter paper guiding structure of the utility model;
[0020] Figure 4 is a schematic diagram of the sectional structure of the filter paper cutting and sealing mechanism of the utility model;
[0021] Figure 5 is a schematic diagram of the structure of the outer packaging bag and the heat sealing paper mechanism of the utility model;
[0022] Figure 6 is a schematic diagram of the structure of the filter paper winding mechanism of the utility model;
[0023] Figure 7 is a schematic diagram of the inclined side structure of the packaging cabinet of the utility model.
[0024] The reference numerals are: 1, packaging cabinet; 2, operation cabinet; 3, blanking device; 301, blanking conduit; 302, clamp; 303, isolation cotton; 304, vibrator; 305, wire; 306, control box; 307, rotating disk; 308, support pillar; 4, filter paper guiding structure; 401, blanking port; 402, filter paper shaping plate; 403, strip rack; 5, filter paper cutting and sealing mechanism; 501, clamping plate; 502, slider; 5021, cutting knife; 503, sliding rod; 504, baffle; 505, clamping plate; 5051, push rod; 5052, pushing component; 506, support plate; 507, material transfer clamp; 5071, small motor; 508, edge sealer; 6, outer packaging bag structure; 601, bagging die; 602, fixing frame; 7, heat sealing paper mechanism; 701, heat sealing strip; 702, sliding plate; 703, round rod; 704, chute; 8, crawler belt; 9, filter paper winding mechanism; 901, inclined plate; 902, long rod; 903, reel; 904, round plate; 905, first shaft; 906, swinging shaft; 907, second shaft; 908, third shaft; 10, outer packaging winding mechanism; 1001, fourth shaft; 1002, discharge shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0025] Next, in combination with the accompanying drawings in the present utility model, the technical solutions in the present utility model will be clearly and completely described. In addition, the forms of each structure described in the following embodiments are merely examples. A high-precision ear-hanging packaging device related to the present utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.
[0026] Referring to Figures 1 to 7 , the present utility model provides a high-precision ear-hanging packaging device, including a packaging cabinet 1, and further including: an operation cabinet 2, a blanking device 3, a filter paper guiding structure 4, a cutting and sealing filter paper mechanism 5. The side surface of the packaging cabinet 1 is fixedly connected to the side surface of the operation cabinet 2. The top end of the operation cabinet 2 is fixedly connected to the bottom end of the blanking device 3. The bottom end of the blanking device 3 is fixedly connected to the side surface of the filter paper guiding structure 4. A cutting and sealing filter paper mechanism 5 is arranged below the filter paper guiding structure 4. The side surface of the cutting and sealing filter paper mechanism 5 is fixedly connected to the inner side surface of the packaging cabinet 1. An outer packaging bag structure 6, a heat-sealing paper mechanism 7 and a track 8 are arranged below the cutting and sealing filter paper mechanism 5. The blanking device 3 includes a blanking conduit 301. An isolation cotton 303 is fixedly connected to the side surface of the blanking conduit 301 through a clamp 302. A vibrator 304 is fixedly connected to the inside of the isolation cotton 303. The bottom end of the vibrator 304 is fixedly connected to a control box 306 through a wire 305. The control box 306 controls the vibration time and vibration frequency of the vibrator 304 through the wire 305, keeps the vibration rate of the vibrator 304 uniform, makes the powder fall evenly, and the bottom end of the blanking conduit 301 is fixedly connected to a blanking port 401. Coffee powder enters the blanking port 401 from the conduit 301.
[0027] Among them, the top end of the blanking conduit 301 is fixedly connected to a rotating disk 307. The bottom end of the rotating disk 307 is fixedly connected to the top end of the control box 306 through a support column 308. The rotating disk 307 rotates regularly for blanking.
[0028] Among them, a filter paper shaping plate 402 is fixedly connected to the side surface of the blanking port 401. The filter paper shaping plate 402 is wider at the top and narrower at the bottom. After the filter paper passes through the filter paper shaping plate 402, it is folded in half. A strip frame 403 is fixedly connected to the side surface of the filter paper shaping plate 402. The side surface of the strip frame 403 is fixedly connected to the inner wall of the packaging cabinet 1.
[0029] Among them, the cutting and sealing filter paper mechanism 5 includes a clamping plate 501. Above the clamping plate 501, a sealing machine 508 is arranged between the filter paper guiding structure 4. The sealing machine 508 seals the folded filter paper to form a long strip-shaped filter paper cylinder. The clamping plate 501 is in a "U" shape. The bottom end of the clamping plate 501 is fixedly connected with a slider 502. Inside the slider 502, a sliding rod 503 is movably connected. One end of the sliding rod 503 is fixedly connected with a baffle 504. A rectangular through hole is opened on the side surface of the baffle 504. Inside the baffle 504, a clamping plate 505 is movably connected. One end side of the clamping plate 505 is movably connected with a pushing component 5052 through a push rod 5051. The pushing component 5052 pushes the clamping plate 505 to move through the push rod 5051. When the two clamping plates 505 are closed, they clamp the filter paper cylinder. The feeder 3 puts a fixed amount of coffee powder into the filter paper cylinder with the sealed edge. A long strip-shaped through hole is opened on the side surface of the clamping plate 505. A cutting knife 5021 is arranged in the through hole on the side surface of the clamping plate 505. The side surface of the cutting knife 5021 is fixedly connected with the side surface of the slider 502. When the clamping plate 505 is closed, the slider 502 moves along the sliding rod 503, and the cutting knife 5021 cuts off the filter paper part at the position of the through hole of the clamping plate, completing the packaging of a hanging ear type filter paper bag. The bottom end of the baffle 504 is fixedly connected with a support plate 506. One end of the support plate 506 is fixedly connected with the inner wall of the packaging cabinet 1. A rectangular through hole is opened at the center of the top end of the support plate 506. Below the through hole, a transfer clamp 507 is arranged. A cut hanging ear type filter paper bag is clamped by the transfer clamp 507. One end of the transfer clamp 507 is fixedly connected with a small motor 5071. The small motor 5071 rotates to control the transfer clamp 507 to complete the swing arm action. One end of the small motor 5071 is fixedly connected with the inner wall of the packaging cabinet 1.
[0030] Among them, below the transfer clamp 507, a bagging mold 601 is arranged. The transfer clamp 507 puts a packaged hanging ear type filter paper bag into the bagging mold 601 through a swing arm action. The cross-section of the bagging mold 601 is elliptical. The side surface of the bagging mold 601 is fixedly connected with the inner wall of the packaging cabinet 1 through a fixed frame 602.
[0031] Among them, below the bagging mold 601, a heat seal strip 701 is arranged. The side surface of the heat seal strip 701 is fixedly connected with a sliding plate 702. One end of the sliding plate 702 is movably connected with a round rod 703. The other end of the sliding plate 702 is movably connected with a sliding groove 704. The side surface of the sliding groove 704 is fixedly connected with the inner wall of the packaging cabinet 1. The sliding plate 702 moves towards each other along the sliding groove 704, driving the heat seal strip 701 to move towards each other. When the two heat seal strips 701 are closed, the outer packaging of the hanging ear type filter paper bag is completed.
[0032] Among them, below the heat seal strip 701, a track 8 is arranged. The track 8 is placed at the bottom of the inner cavity of the packaging cabinet 1. A square through hole is opened at the bottom of the side surface of the packaging cabinet 1. The packaged hanging ear coffee falls onto the track 8 and is transported outside the packaging cabinet 1 by the track 8.
[0033] Among them, a filter paper winding mechanism 9 is fixedly connected to the top end of the packaging cabinet 1. The filter paper winding mechanism 9 includes an inclined plate 901. The top end of the inclined plate 901 is fixedly connected to a long rod 902. A reel 903 is sleeved on the side surface of the long rod 902. Circular plates 904 are fixedly connected to both ends of the side surface of the long rod 902 to fix the position of the filter paper raw material. A first shaft 905 is arranged obliquely below the long rod 902. A swing shaft 906 is arranged obliquely below the first shaft 905. A second shaft 907 and a third shaft 908 are arranged obliquely above the swing shaft 906. The filter paper raw material is wound on the reel 903, first bypasses above the first shaft 905, then bypasses below the swing shaft 906, and then enters the filter paper guiding structure 4 after passing through the second shaft 907 and the third shaft 908.
[0034] Among them, an outer packaging winding mechanism 10 is arranged below the filter paper winding mechanism 9. The outer packaging winding mechanism 10 includes a fourth shaft 1001 and a discharge shaft 1002. The discharge shaft 1002 is at the same horizontal height as the outer packaging bagging structure 6. The outer packaging material is wound on the winding mechanism and enters the outer packaging bagging structure 6 after passing through the fourth shaft 1001 and the discharge shaft 1002.
[0035] Working principle of the utility model: The filter paper coiling mechanism 9 includes an inclined plate 901. The top end of the inclined plate 901 is fixedly connected with a long rod 902. A reel 903 is sleeved on the side surface of the long rod 902. The filter paper raw material is wound on the reel 903. Circular plates 904 are fixedly connected to both ends of the side surface of the long rod 902 for fixing the position of the filter paper raw material. A first shaft 905 is arranged obliquely below the long rod 902. The filter paper raw material bypasses above the first shaft 905. A swing shaft 906 is arranged obliquely below the first shaft 905. The filter paper raw material bypasses below the swing shaft 906. A second shaft 907 and a third shaft 908 are arranged obliquely above the swing shaft 906. The filter paper raw material passes through the second shaft 907 and the third shaft 908 and enters the filter paper shaping plate 402. The filter paper shaping plate 402 is wider at the top and narrower at the bottom. The filter paper is folded in half after passing through the filter paper shaping plate 402. A strip rack 403 is fixedly connected to the side surface of the filter paper shaping plate 402. The side surface of the strip rack 403 is fixedly connected to the inner wall of the packaging cabinet 1. The cutting and sealing filter paper mechanism 5 includes a clamping plate 501. A sealing machine 508 is arranged between the clamping plate 501 and the filter paper guiding structure 4 above. The sealing machine 508 seals the edges of the folded filter paper to form a strip-shaped filter paper tube. The pushing component 5052 pushes the clamping plate 505 through the push rod 5051. When the two clamping plates 505 are closed, they clamp the filter paper tube. The feeder 3 feeds a fixed amount of coffee powder into the filter paper tube with sealed edges. The feeder 3 includes a feeding conduit 301. An isolation cotton 303 is fixedly connected to the side surface of the feeding conduit 301 through a clamp 302. A vibrator 304 is fixedly connected inside the isolation cotton 303. The bottom end of the vibrator 304 is fixedly connected to the control box 306 through a wire 305. The control box 306 controls the vibration time and vibration frequency of the vibrator 304 through the wire 305 to keep the vibration rate of the vibrator 304 uniform and make the powder fall evenly. A long strip-shaped through hole is formed on the side surface of the clamping plate 505. A cutting knife 5021 is arranged in the through hole on the side surface of the clamping plate 505. The side surface of the cutting knife 5021 is fixedly connected to the side surface of the slider 502. When the clamping plate 505 is closed, the slider 502 moves along the slide rod 503, and the cutting knife 5021 cuts off the filter paper part at the position of the through hole of the clamping plate to complete the packaging of a hanging ear type filter paper bag. A cut hanging ear type filter paper bag is clamped by the transfer clamp 507. One end of the transfer clamp 507 is fixedly connected with a small motor 5071. The small motor 5071 rotates to control the transfer clamp 507 to complete the swing arm action. A bagging mold 601 is arranged below the transfer clamp 507. The transfer clamp 507 puts the packaged hanging ear type filter paper bag into the bagging mold 601 through the swing arm action. The outer packaging material is wound on the coiling mechanism and enters the outer packaging bagging structure 6 through the fourth shaft 1001 and the discharge shaft 1002. A heat seal strip 701 is arranged below the bagging mold 601. A sliding plate 702 is fixedly connected to the side surface of the heat seal strip 701. The sliding plate 702 moves towards each other along the chute 704, driving the heat seal strip 701 to move towards each other. When the two heat seal strips 701 are closed, the outer packaging of the hanging ear type filter paper bag is completed. A track 8 is arranged below the heat seal strip 701,The packaged ear-hanging coffee falls onto the track 8 and is transported outside the packaging cabinet 1 by the track 8.,
[0036] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A high-precision ear-hanging packaging device, comprising a packaging cabinet (1), characterized in that, It further includes: An operation cabinet (2), a blanking device (3), a filter paper guiding structure (4), and a filter paper cutting and sealing mechanism (5). The side of the packaging cabinet (1) is fixedly connected to the side of the operation cabinet (2). The top of the operation cabinet (2) is fixedly connected to the bottom of the blanking device (3). The bottom of the blanking device (3) is fixedly connected to the side of the filter paper guiding structure (4). Below the filter paper guiding structure (4) is provided a filter paper cutting and sealing mechanism (5). The side of the filter paper cutting and sealing mechanism (5) is fixedly connected to the inner side of the packaging cabinet (1). Below the filter paper cutting and sealing mechanism (5) are provided an outer packaging bag structure (6), a heat sealing paper mechanism (7), and a track (8). The blanking device (3) includes a blanking conduit (301). The side of the blanking conduit (301) is fixedly connected with an isolation cotton (303) through a clamp (302). Inside the isolation cotton (303) is fixedly connected with a vibrator (304). The bottom of the vibrator (304) is fixedly connected to a control box (306) through a wire (305). The bottom of the blanking conduit (301) is fixedly connected with a blanking port (401).
2. The high-precision ear-hanging packaging device according to claim 1, characterized in that: The top of the blanking conduit (301) is fixedly connected with a rotating disk (307). The bottom of the rotating disk (307) is fixedly connected to the top of the control box (306) through a support column (308).
3. A high-precision ear-hanging packaging device according to claim 1, characterized in that: The side of the blanking port (401) is fixedly connected with a filter paper shaping plate (402). The filter paper shaping plate (402) is wider at the top and narrower at the bottom. The side of the filter paper shaping plate (402) is fixedly connected with a strip frame (403). The side of the strip frame (403) is fixedly connected to the inner wall of the packaging cabinet (1).
4. A high-precision ear-hanging packaging device according to claim 1, characterized in that: The filter paper cutting and sealing mechanism (5) includes a clamping plate (501). Above the clamping plate (501) and the filter paper guiding structure (4) is provided a sealing machine (508). The clamping plate (501) is in a "U" shape. The bottom of the clamping plate (501) is fixedly connected with a slider (502). Inside the slider (502) is movably connected with a sliding rod (503). One end of the sliding rod (503) is fixedly connected with a baffle (504). On the side of the baffle (504) is opened a rectangular through hole. Inside the baffle (504) is movably connected with a clamping plate (505). One end side of the clamping plate (505) is movably connected with a pushing component (5052) through a push rod (5051). On the side of the clamping plate (505) is opened a long strip-shaped through hole. Inside the through hole on the side of the clamping plate (505) is provided a cutting knife (5021). The side of the cutting knife (5021) is fixedly connected to the side of the slider (502). The bottom of the baffle (504) is fixedly connected with a support plate (506). One end of the support plate (506) is fixedly connected to the inner wall of the packaging cabinet (1). In the center of the top of the support plate (506) is opened a rectangular through hole. Below the through hole is provided a material transfer clamp (507). One end of the material transfer clamp (507) is fixedly connected with a small motor (5071). One end of the small motor (5071) is fixedly connected to the inner wall of the packaging cabinet (1).
5. The high-precision ear-hanging packaging device according to claim 4, characterized in that: Below the material transfer clamp (507), there is a bag - sleeving mold (601). The cross - section of the bag - sleeving mold (601) is oval. The side of the bag - sleeving mold (601) is fixedly connected to the inner wall of the packaging cabinet (1) through a fixing frame (602).
6. The high-precision ear-hanging packaging device according to claim 5, characterized in that: Below the bag - sleeving mold (601), there is a heat - sealing strip (701). The side of the heat - sealing strip (701) is fixedly connected to a sliding plate (702). One end of the sliding plate (702) is movably connected to a round rod (703), and the other end of the sliding plate (702) is movably connected to a sliding groove (704). The side of the sliding groove (704) is fixedly connected to the inner wall of the packaging cabinet (1).
7. The high-precision ear-hanging packaging device according to claim 6, wherein: Below the heat - sealing strip (701), there is a crawler (8). The crawler (8) is placed at the bottom of the inner cavity of the packaging cabinet (1). A square through - hole is opened at the bottom of the side of the packaging cabinet (1).
8. The high-precision ear-hanging packaging device according to claim 1, wherein: At the top of the packaging cabinet (1), there is a filter paper winding mechanism (9). The filter paper winding mechanism (9) includes an inclined plate (901). The top of the inclined plate (901) is fixedly connected to a long rod (902). A reel (903) is sleeved on the side of the long rod (902). Circular plates (904) are fixedly connected to both ends of the side of the long rod (902). Below the inclined side of the long rod (902), there is a first shaft (905). Below the first shaft (905), there is a swing shaft (906). Above the inclined side of the swing shaft (906), there are a second shaft (907) and a third shaft (908).
9. The high-precision ear-hanging packaging device according to claim 8, wherein: Below the filter paper winding mechanism (9), there is an outer packaging winding mechanism (10). The outer packaging winding mechanism (10) includes a fourth shaft (1001) and a discharging shaft (1002). The discharging shaft (1002) is at the same horizontal height as the outer packaging bag - sleeving structure (6).