A transport line for bagged goods

Abstract

This utility model provides a transport line for bagged goods, belonging to the field of cargo transportation technology, which solves the problem of low transportation efficiency in existing transport lines. This transport line for bagged goods includes a conveyor line for transporting bagged goods, a double-door device, and a transfer track located below the double-door device. The transfer track is straight, and two transfer trolleys slide on the transfer track. The transport line further includes a conveyor belt. The outlet end of the conveyor line is adjacent to the inlet end of the conveyor belt, and the outlet end of the conveyor belt is adjacent to the inlet end of the double-door device. The length direction of the conveyor belt is perpendicular to the length direction of the transfer track. The transport speed of the conveyor belt is greater than the transport speed of the conveyor line, and the length of the conveyor belt is greater than twice the length of the bagged goods but less than three times the length of the bagged goods. This transport line for bagged goods has high transportation efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of cargo transportation technology and relates to a transportation line for bagged goods. Background Technology

[0002] For large quantities of granular or powdery goods, such as cement, fly ash, mineral powder, fertilizer, grain, feed, and chemical raw materials, bag packaging is currently the most common packaging method, which is convenient, fast, and low-cost.

[0003] However, the handling, transfer, and loading / unloading of traditional bagged goods usually relies on manual stacking of bags one by one, supplemented by certain mechanical equipment for lifting, transfer, and loading / unloading. This not only consumes a lot of manpower and resources, resulting in high work intensity and low work efficiency, but also easily causes damage to the packaging and loss of goods.

[0004] To this end, Chinese patent application (application number: 201611013412.4) discloses a production line for stacking bagged goods, including a transport channel, one end of which is an inlet and the other end is an outlet. The outlet of the transport channel is provided with a double-door device that allows bagged goods to fall sequentially. The key feature is that a transfer track one and a transfer track two are provided parallel to each other below the double-door device. A transfer trolley one capable of reciprocating along the length direction of transfer track one is provided on transfer track one, and a transfer trolley two capable of reciprocating along the length direction of transfer track two is provided on transfer track two. Below the double-door device, there is also a moving track perpendicular to the length direction of transfer track one and / or transfer track two. Transfer track one and transfer track two are arranged on the moving track and are capable of reciprocating along the length direction of the moving track.

[0005] However, the above method has the following drawbacks: bagged goods fall into the loading trolley one by one through the double-door device, and can only be stacked in the direction of the transfer trolley to form a single row of stacks. The amount of goods that can be packaged at one time is limited, and the work efficiency is low. Utility Model Content

[0006] The purpose of this utility model is to address the aforementioned problems in existing technologies by proposing a transportation line for bagged goods. The technical problem to be solved by this utility model is: how to improve the working efficiency of a transportation line for bagged goods.

[0007] The objective of this utility model can be achieved through the following technical solution: a transport line for bagged goods, comprising a transport line for transporting bagged goods, a double-door device, and a transfer track located below the double-door device. The transfer track is straight, and two transfer trolleys are slidably mounted on the transfer track. The transport line further comprises a conveyor belt, the outlet end of the transport line is adjacent to the inlet end of the conveyor belt, the outlet end of the conveyor belt is adjacent to the inlet end of the double-door device, the length direction of the conveyor belt is perpendicular to the length direction of the transfer track, the transport speed of the conveyor belt is greater than the transport speed of the transport line, and the length of the conveyor belt is greater than twice the length of the bagged goods and less than three times the length of the bagged goods.

[0008] In operation, the packaging bags are first placed in the transfer trolley. The bagged goods enter the conveyor belt sequentially from the conveyor line, and after being accelerated by the conveyor belt, they enter the double-door device in pairs and fall into the transfer trolley, stacking into two neat rows. Then, the packaging bags are tied and transported to the next process. By allowing the transfer trolley to slide along the length of the transfer track, the goods can be stacked sequentially along the length of the transfer track. Simultaneously, the acceleration of the conveyor belt causes the goods to fall into the loading trolley in pairs, further stacking them along the length of the conveyor belt. The length of the conveyor belt is perpendicular to the length of the transfer track, allowing the goods to automatically stack into neat cubes in the loading trolley along these two perpendicular directions, eliminating the need for additional shaping and improving work efficiency. The bagged goods fall into the loading trolley in pairs and are stacked into multiple rows and columns of cubic stacks, increasing the amount of goods packaged at one time and thus improving work efficiency. The two transfer trolleys can slide along the transfer track respectively and perform different tasks at different positions. When one transfer trolley receives goods, it can bundle and pack the goods stacked on the other transfer trolley, and then lift and transport the packed goods to the next process. This alternating operation is highly efficient.

[0009] The aforementioned transport line for bagged goods further includes a support frame and a slide rail fixed to the top of the support frame. The height of the support frame is more than twice the height of the transfer trolley. The slide rail is a closed loop, and several lifting mechanisms are slidably mounted on it. These lifting mechanisms can move the goods along the circumferential direction of the slide rail. Because the support frame is more than twice the height of the transfer trolley, there is no need to wait for large machinery such as cranes to transfer the goods. The lifting mechanisms lift the packaged goods above the transfer trolley and then move them along the circumferential direction of the slide rail to the next process, resulting in high work efficiency. Since the slide rail is located above the transfer track, and the lifting mechanisms and transfer trolley move at different heights, the transport of goods along the slide rail will not affect the operation of the transfer trolley below, effectively ensuring high work efficiency. Because the slide rail is a closed loop, goods can be transported simultaneously from the positions of the two transfer trolleys along two different paths to the same destination, effectively improving work efficiency.

[0010] The aforementioned transport line for bagged goods features a runway-shaped slide rail comprising two straight lifting sections parallel to the transfer track, with one section positioned above the transfer track. The lifting mechanism can slide along the lifting section to the top of the transfer trolley. Both the transfer track and the lifting sections are straight, and the movement efficiency of a straight path is higher than that of a curved path. The loading trolley and the lifting mechanism can move quickly to their respective positions, thereby improving work efficiency. The lifting mechanism can slide along the lifting section to the top of the transfer trolley, causing the shaping frame or goods to descend or rise in the height direction. Only when the shaping frame or goods are higher than the transfer trolley does it move along the circumferential direction of the slide rail, preventing the shaping frame or goods from colliding with the transfer trolley in the horizontal direction and effectively improving operational stability.

[0011] The aforementioned transport line for bagged goods includes a lifting mechanism comprising a pulley assembly, a lifting component, and a drive component slidably connected to a slide rail. The pulley assembly is connected to both the drive component and the lifting component. The drive component, by driving the pulley assembly, enables the lifting component to raise or lower the goods. When the lifting component lifts the goods, the drive component controls the horizontal movement of the goods by sliding along the slide rail. The drive component also controls the vertical lifting and lowering of the goods by driving the pulley assembly. This modular control system is highly efficient. Furthermore, the pulley assembly not only reduces lifting effort but also ensures smooth lifting and lowering.

[0012] The aforementioned transport line for bagged goods includes a lifting device comprising a main hook fixedly connected to a pulley assembly, which is capable of hooking up or unhooking goods. By connecting or separating the main hook from the packaged goods, a detachable connection between the lifting device and the goods is achieved, which is convenient, quick, and highly efficient.

[0013] The aforementioned transport line for bagged goods features a rectangular frame inside the transfer trolley. The lifting mechanism allows the frame to be placed into or removed from the trolley. The rectangular outer plate not only better matches the shape of the bagged goods but also uses its own weight to hold the bags in place, preventing slippage and improving their positioning stability. Under the constraint of the frame, the goods are stacked neatly in two rows, forming a cube that fits against the inner wall of the frame. Removing the frame leaves the goods inside the bag, which remains open and folded outwards. Personnel do not need to manually adjust the shape of the bags; they can simply tie them to obtain neatly stacked cubic packages, resulting in high work efficiency.

[0014] The aforementioned transport line for bagged goods includes a lifting component that further comprises a long, strip-shaped adapter and several auxiliary hooks symmetrically distributed along the length of the adapter. The adapter is detachably connected to the main hook, and each auxiliary hook is hinged to the adapter. Several mounting holes for the auxiliary hooks to pass through are symmetrically provided on the two opposite side walls of the shaping frame. The mounting holes are symmetrically located on the two opposite side walls of the shaping frame, and each auxiliary hook is distributed symmetrically along the length of the adapter and passes through its corresponding mounting hole. When the shaping frame is lifted, the force is evenly distributed to the symmetrical lifting points, which helps ensure stability. The shaping frame can leave the fully loaded trolley vertically without colliding with or scratching the goods, causing deformation or slippage. Packaging operations can be performed without additional shaping operations, resulting in high work efficiency.

[0015] The aforementioned transport line for bagged goods further includes a protective cover extending along the length of the transport line. The protective cover has a U-shaped cross-section. This U-shaped protective cover not only effectively isolates the bagged goods from the environment, preventing contamination and damage, but also provides ample space for the transport of the bagged goods. This eliminates the need for additional cleaning of the packages and effectively prevents obstruction during transport, thus ensuring high work efficiency.

[0016] Compared with existing technologies, this transport line for bagged goods has the following advantages:

[0017] 1. This product is used in a transport line for bagged goods. By sliding the transfer trolley along the length of the transfer track, the goods can be stacked sequentially along the direction of movement of the transfer trolley, that is, along the length of the transfer track. At the same time, through the acceleration of the conveyor belt, the goods can be dropped into the loading trolley in pairs, and then the goods are stacked sequentially along the length of the conveyor belt. The length of the conveyor belt is perpendicular to the length of the transfer track. The goods can be automatically stacked into a neat cube in the loading trolley along the two perpendicular directions without additional shaping, thus improving work efficiency.

[0018] 2. In the transport line for bagged goods, the bagged goods are dropped into the loading trolley in pairs and stacked into multiple rows and columns of cubic stacks, which increases the amount of goods that can be packaged at one time and thus improves work efficiency.

[0019] 3. In this transport line for bagged goods, two transfer trolleys can slide along the transfer track respectively and perform different tasks at different positions. When one transfer trolley receives goods, it can bundle and pack the goods stacked on the other transfer trolley, and then lift and transport the packed goods to the next process. This alternating work is highly efficient. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a transport line used for bagged goods. Figure 1 .

[0021] Figure 2 This is a partial structural diagram of the lifting components and shaping frames used in a transport line for bagged goods.

[0022] Figure 3 This is a partial structural diagram of a transport line used for bagged goods. Figure 2 .

[0023] In the diagram, 1. Conveyor line; 2. Double-door device; 3. Transfer track; 4. Transfer trolley; 5. Conveyor belt; 6. Support frame; 7. Slide rail; 7a. Lifting section; 8. Lifting mechanism; 8a. Pulley assembly; 8b. Lifting component; 8b1. Main hook; 8b2. Adapter; 8b3. Secondary hook; 8c. Drive component; 9. Shaping frame; 10. Mounting hole; 11. Protective cover. Detailed Implementation

[0024] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0025] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0026] like Figure 1 , Figure 2 and Figure 3As can be seen, the transport line for bagged goods includes a conveyor line 1 for transporting bagged goods, a conveyor belt 5, a double-door device 2, and a transfer track 3 located below the double-door device 2. The conveyor line 1 is straight and is equipped with a protective cover 11, which extends along the length of the conveyor line 1 and has a U-shaped cross-section. The U-shaped protective cover 11 not only effectively isolates the bagged goods from the environment, preventing them from being contaminated or damaged, but also provides ample space for the transport of bagged goods. This eliminates the need for additional cleaning of the packages and effectively prevents obstacles in the transport of goods, thereby ensuring high work efficiency.

[0027] The exit end of conveyor line 1 is adjacent to the inlet end of conveyor belt 5, and the exit end of conveyor belt 5 is adjacent to the inlet end of double-door device 2. The length direction of conveyor belt 5 is parallel to the length direction of conveyor line 1 and perpendicular to the length direction of transfer track 3. The transport speed of conveyor belt 5 is greater than the transport speed of conveyor line 1, and the length of conveyor belt 5 is greater than twice the length of bagged goods but less than three times the length of bagged goods. Transfer track 3 is straight, and two transfer trolleys 4 are slidably mounted on transfer track 3. The carriages of transfer trolleys 4 are equipped with rectangular shaping frames 9. The cylindrical outer plate not only better matches the shape of the bagged goods, but also uses its own weight to press down on the packing bag to prevent it from slipping, thus improving the positioning stability of the packing bag. Under the constraint of the shaping frame 9, the goods are stacked into two neat rows, forming a cube that fits the inner wall of the shaping frame 9. When the shaping frame 9 is removed, the goods remain in the packing bag, and the bag opening remains open and folded outward. Personnel do not need to make additional adjustments to the shape of the packing bag; they can directly tie the packing bag to obtain a neatly stacked cubic package, resulting in high work efficiency.

[0028] This transport line also includes a support frame 6 and a slide rail 7 fixed to the top of the support frame 6. The height of the support frame 6 is more than twice the height of the transfer trolley 4, and the slide rail 7 is a closed loop. Specifically, the slide rail 7 is racetrack-shaped and includes two straight lifting sections 7a and two arc-shaped transfer sections. The two lifting sections 7a are parallel to the transfer track 3, and one of the lifting sections 7a is located above the transfer track 3. Several lifting mechanisms 8 are slidably mounted on the slide rail 7. The lifting mechanisms 8 can move the goods along the circumferential direction of the slide rail 7. Specifically, the lifting mechanisms 8 can slide along the lifting section 7a to above the transfer trolley 4. The height of the support frame 6 is more than twice the height of the transfer trolley 4, eliminating the need to wait for large machinery such as cranes to transfer the goods. After the lifting mechanisms 8 lift the packaged goods above the transfer trolley 4, they move along the circumferential direction of the slide rail 7 to proceed to the next process, resulting in high work efficiency. The slide rail 7 is located above the transfer track 3. The hoisting mechanism 8 and the transfer trolley 4 move at different heights, ensuring that the transport of goods along the slide rail 7 does not affect the operation of the transfer trolley 4 below, effectively guaranteeing high work efficiency. The slide rail 7 is a closed loop, allowing goods to be transported simultaneously from the positions of the two transfer trolleys 4 along two different paths to the same destination, effectively improving work efficiency. Both the transfer track 3 and the hoisting section 7a are straight. The movement efficiency of a straight path is higher than that of a curved path, allowing the loading trolley and hoisting mechanism 8 to move quickly to their respective positions, further improving work efficiency. The hoisting mechanism 8 can slide along the hoisting section 7a above the transfer trolley 4, causing the shaping frame 9 or goods to descend or rise in the height direction. Only when the shaping frame 9 or goods are higher than the transfer trolley 4 does it move along the circumferential direction of the slide rail 7, preventing the shaping frame 9 or goods from colliding with the transfer trolley 4 in the horizontal direction, effectively improving operational stability.

[0029] The support frame 6 includes several support legs distributed along the length of the transfer track 3. Each support leg includes two support columns and a crossbeam. The two support columns are located on both sides of the transfer track 32, and the tops of the two support columns are fixedly connected to both ends of the crossbeam. The length of the crossbeam is perpendicular to the length of the transfer track 3. One of the lifting sections 7a of the slide rail 7 is fixedly connected to the middle section of the crossbeam. The two support columns of each support leg and the crossbeam form a stable portal frame. The lifting mechanism 8 can slide along the slide rail 7, passing through the gap below the portal frame, resulting in high space utilization.

[0030] The lifting mechanism 8 includes a pulley assembly 8a, a lifting component 8b, and a drive component 8c slidably connected to the slide rail 7. The pulley assembly 8a is connected to both the drive component 8c and the lifting component 8b. The drive component 8c can drive the lifting component 8b to lift or lower the cargo by driving the pulley assembly 8a. Specifically, the pulley assembly 8a includes a pulley block and a hanging rope. When the lifting component 8b lifts the cargo, the drive component 8c controls the horizontal movement of the cargo by sliding along the slide rail 7. The drive component 8c also controls the vertical lifting and lowering of the cargo by driving the pulley assembly 8a, resulting in modular control and high efficiency. At the same time, the pulley assembly 8a not only makes lifting less strenuous but also ensures smooth lifting and lowering.

[0031] The lifting component 8b includes a main hook 8b1 fixedly connected to the pulley assembly 8a, a long strip-shaped adapter 8b2, and several auxiliary hooks 8b3 symmetrically distributed along the length of the adapter 8b2. The main hook 8b1 can directly hook or unload goods. The main hook 8b1 is detachably connected to the adapter 8b2 at its middle position. Specifically, a protrusion with a connecting hole is provided at the middle position of the adapter 8b2. By passing the main hook 8b1 through or removing it from the connecting hole, the main hook 8b1 and the adapter 8b2 can be detachably connected, which is convenient, quick, and efficient. Each auxiliary hook 8b3 is hinged to the adapter 8b2. Several mounting holes 10 for the auxiliary hooks 8b3 to pass through are symmetrically provided on the two opposite side walls of the frame 9. By connecting or separating the main hook 8b1 from the packaged goods, the lifting component 8b and the goods can be detachably connected, allowing the packaged goods to be easily and quickly lifted from the loading trolley and moved along the slide rail 7 to the next process, resulting in high operational efficiency. By passing the auxiliary hook 8b3 through or removing it from the mounting hole 10, the auxiliary hook 8b3 and the shaping frame 9 can be detachably connected, offering convenience, speed, and high operational efficiency. The mounting holes 10 are symmetrically located on two opposite side walls of the shaping frame 9. Each auxiliary hook 8b3 is distributed symmetrically along the length of the adapter 8b2 and passes through its corresponding mounting hole 10. When the shaping frame 9 is lifted, the force is evenly distributed to the symmetrical lifting points, ensuring stability. The shaping frame 9 can vertically enter or leave the loading trolley. When the shaping frame 9 vertically leaves the fully loaded transfer trolley 4, it will not collide with or scratch the goods, preventing deformation or slippage. Packing operations can be performed without additional shaping, resulting in high work efficiency.

[0032] The lifting component 8b can also be a robotic arm.

[0033] The hoisting mechanism 8 is provided with several parts, which can control the lifting and lowering of the shaping frame 9 in the vertical direction, as well as the lifting and lowering of the goods in the vertical direction and the transfer of the goods in the horizontal direction.

[0034] When placing the shaping frame 9 into the transfer trolley 4, first connect the adapter 8b2 to the main hook, and insert the secondary hook into the corresponding mounting hole 10 on the shaping frame 9. Then, the drive component 8c drives the pulley assembly 8a to raise the shaping frame 9 above the transfer trolley 4. At this point, the transfer trolley 4 moves to below the shaping frame 9, and the shaping frame 9 descends and is placed into the transfer trolley 4. Remove the secondary hook from the corresponding mounting hole 10 on the shaping frame 9, leaving the shaping frame 9 inside the transfer trolley 4. The same procedure is followed when removing the shaping frame 9 from the transfer trolley 4.

[0035] During operation, the bag with its opening facing upward is first placed in one of the transfer trolleys 4. Then, the shaping frame 9 is placed into the transfer trolley 4 by the lifting mechanism 8, so that the shaping frame 9 presses down on the bottom of the bag by its own weight. At this time, the bag passes through the gap between the outer wall of the shaping frame 9 and the inner wall of the transfer trolley 4, with the bag opening open and folded outward. After the bag is secured, the auxiliary hook is removed from the corresponding mounting hole 10 on the shaping frame 9, leaving the shaping frame 9 in the transfer trolley 4. The transfer trolley 4 slides to the bottom of the double-door device 2. After passing through the acceleration section, the bagged goods enter the double-door device 2 in pairs and fall into the loading trolley. Under the constraint of the shaping frame 9, they are stacked in a regular shape into two neat rows, forming a cube that fits against the inner wall of the shaping frame 9. After the bags are stacked, the transfer trolley 4 moves to the side under the corresponding lifting mechanism 8, first tying the bags together. Then, the adapter 8b2 can be connected to the main hook, and the packaged goods can be lifted to the next process via the auxiliary hook. Alternatively, the packaged goods can be lifted directly to the next process via the main hook. At the same time, another transfer trolley 4 with the packaged bags secured moves to the side door device 2, and the operation is carried out alternately.

[0036] By sliding the transfer trolley 4 along the length of the transfer track 3, goods can be stacked sequentially along the direction of movement of the transfer trolley 4, i.e., along the length of the transfer track 3. Simultaneously, the acceleration of the conveyor belt 5 allows goods to fall into the loading trolley in pairs, thus stacking them sequentially along the length of the conveyor belt 5. The length of the conveyor belt 5 is perpendicular to the length of the transfer track 3, allowing goods to automatically stack into neat cubes within the loading trolley in both perpendicular directions, eliminating the need for additional shaping and improving work efficiency. Bagged goods fall into the loading trolley in pairs, stacking into multi-column, multi-row cubic stacks, increasing the amount of goods packaged at one time and further improving work efficiency. Two transfer trolleys 4 can slide along the transfer track 3 independently, performing different tasks at different positions simultaneously. While one transfer trolley 4 receives goods, it can bundle and pack the goods stacked on the other transfer trolley 4, then hoist and transport the packaged goods to the next process step. This alternating operation ensures high efficiency.

[0037] Although this document frequently uses terms such as conveyor line 1, double-door device 2, transfer track 3, transfer trolley 4, conveyor belt 5, support frame 6, slide rail 7, hoisting section 7a, hoisting mechanism 8, pulley assembly 8a, hoisting component 8b, main hook 8b1, adapter 8b2, auxiliary hook 8b3, drive component 8c, shaping frame 9, mounting hole 10, and protective cover 11, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any kind of additional limitation would contradict the spirit of this utility model.

Claims

1. A transport line for bagged goods, comprising a transport line (1) for transporting bagged goods, a double-door device (2), and a transfer track (3) located below the double-door device (2), the transfer track (3) being straight, and two transfer trolleys (4) being slidably mounted on the transfer track (3), characterized in that, The transport line also includes a conveyor belt (5), the exit end of the conveyor line (1) is adjacent to the inlet end of the conveyor belt (5), the exit end of the conveyor belt (5) is adjacent to the inlet end of the double door device (2), the length direction of the conveyor belt (5) is perpendicular to the length direction of the transfer track (3), the transport speed of the conveyor belt (5) is greater than the transport speed of the conveyor line (1), and the length of the conveyor belt (5) is greater than twice the length of the bagged goods and less than three times the length of the bagged goods.

2. A transport line for bagged goods according to claim 1, characterized in that, This transport line also includes a support frame (6) and a slide rail (7) fixed on the top of the support frame (6). The height of the support frame (6) is more than twice the height of the transfer trolley (4). The slide rail (7) is a closed loop. Several hoisting mechanisms (8) are slidably mounted on the slide rail (7). The hoisting mechanisms (8) can drive the goods to move along the circumferential direction of the slide rail (7).

3. A transport line for bagged goods according to claim 2, characterized in that, The slide rail (7) is in the shape of a racetrack. The slide rail (7) includes two straight lifting sections (7a). The two lifting sections (7a) are parallel to the transfer track (3), and one of the lifting sections (7a) is located above the transfer track (3). The lifting mechanism (8) can slide along the lifting section (7a) to the top of the transfer trolley (4).

4. A transport line for bagged goods according to claim 3, characterized in that, The hoisting mechanism (8) includes a pulley assembly (8a), a hoisting component (8b), and a drive component (8c) slidably connected to the slide rail (7). The pulley assembly (8a) is connected to the drive component (8c) and the hoisting component (8b) respectively. The drive component (8c) can drive the hoisting component (8b) to lift or lower the goods by driving the pulley assembly (8a).

5. A transport line for bagged goods according to claim 4, characterized in that, The lifting component (8b) includes a main hook (8b1) fixedly connected to the pulley assembly (8a), the main hook (8b1) being capable of hooking or unloading goods.

6. A transport line for bagged goods according to claim 5, characterized in that, The transfer trolley (4) has a rectangular frame (9) inside its compartment, and the hoisting mechanism (8) can put the frame (9) into or remove it from the transfer trolley (4).

7. A transport line for bagged goods according to claim 6, characterized in that, The lifting component (8b) also includes a long strip-shaped adapter (8b2) and several auxiliary hooks (8b3) symmetrically distributed along the length of the adapter (8b2). The main hook (8b1) is detachably connected to the middle position of the adapter (8b2). Each of the auxiliary hooks (8b3) is hinged to the adapter (8b2). Several mounting holes (10) for the auxiliary hooks (8b3) to pass through are symmetrically provided on the two opposite side walls of the shaping frame (9).

8. A transport line for bagged goods according to claim 1, 2, 3, 4, 5, 6, or 7, characterized in that, The transport line also includes a protective cover (11) extending along the length of the transport line (1), the protective cover (11) having a U-shaped cross section.

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