Blanking opening ton bag replacing device

Abstract

The utility model provides a ton bag replacing device for a feed opening, and belongs to the technical field of transportation and charging. The utility model provides a baiting port ton bag replacing device which comprises a supporting frame set and a replacing assembly, the supporting frame set is arranged below a baiting port of a semi-finished product material conveying piece and comprises a front supporting frame and a rear supporting frame, and the replacing assembly is arranged at the upper end of the front supporting frame and the upper end of the rear supporting frame. Comprising a front replacement conveying belt, a rear replacement conveying belt, a left conveying shaft, a right conveying shaft and a replacement motor, the left conveying shaft and the right conveying shaft are erected between a front supporting frame and a rear supporting frame, and two sets of ton bags are erected on the front replacement conveying belt and the rear replacement conveying belt through supporting rods. According to the ton bag replacing device for the discharging opening, the opening of the left ton bag is located below the discharging opening, when the ton bag is replaced, the replacing motor drives the left conveying shaft to drive the replacing conveying belt to rotate, the right ton bag moves leftwards, and the left ton bag is replaced.

Description

Technical Field

[0001] This utility model belongs to the field of transportation and loading technology, specifically relating to a ton bag replacement device for the discharge port. Background Technology

[0002] BOOM (Flexible Intermediate Bulk Container), also known as a flexible transport packaging container, is a type of unitized container. It features lifting straps and a top inlet for easy transport and loading / unloading. It is characterized by its large capacity, light weight, moisture resistance, dustproofing, radiation resistance, robustness, safety, and ease of handling. Generally made of polyester fibers such as polypropylene and polyethylene, it is widely used for packaging various powdery, granular, and lumpy materials in industries such as chemicals, building materials, plastics, and minerals. It is an ideal product for warehousing and transportation. In the foundry industry, BOOMs are often used for transferring semi-finished materials. Due to their large capacity, they hold a large amount of material. Typically, the BOOM is placed at the discharge port of the semi-finished material transport vehicle, allowing the material to fall directly into the BOOM. Once full, the BOOM is usually manually removed and replaced with a new one. This process is inefficient and physically demanding for operators. During the replacement process, operators may be positioned directly below the discharge port of the transport vehicle, where falling semi-finished material could injure them. Utility Model Content

[0003] The purpose of this utility model is to provide a ton bag replacement device for the discharge port, which aims to solve the problem that ton bags are not easy to replace during the ton bag filling process and may injure operators during operation.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A ton bag replacement device for a discharge port is provided, comprising a support frame assembly and a replacement component. The support frame assembly is disposed below the discharge port of a semi-finished material transport component, with the discharge port located at the left end of the semi-finished material transport component. The support frame assembly includes a front support frame and a rear support frame, with a connecting beam between the front and rear support frames. The replacement component is disposed between the front and rear support frames, and near the upper end of the front support frame. The replacement component includes a front replacement conveyor belt, a rear replacement conveyor belt, a left transport shaft, a right transport shaft, and a replacement motor. The replacement motor is mounted on the support frame assembly, and the left and right transport shafts are both mounted on the front and rear support frames. Between them, the front replacement conveyor belt and the rear replacement conveyor belt are respectively sleeved on the outside of the left conveyor shaft and the right conveyor shaft, with the front replacement conveyor belt located at the front end of the left conveyor shaft and the rear replacement conveyor belt located at the rear end of the left conveyor shaft. Support rods are respectively provided on the left and right sides of the ton bag, and the ton bag is hung on the support rods. The support rods are supported on the front replacement conveyor belt and the rear replacement conveyor belt. There are two sets of ton bags, namely a left ton bag and a right ton bag. The left ton bag is located to the left of the right ton bag, and the opening of the left ton bag is located below the discharge port of the semi-finished material transport component. The replacement motor drives the left conveyor shaft to rotate, which drives the front replacement conveyor belt and the rear replacement conveyor belt to rotate. The right ton bag moves to the left, realizing the replacement of the left ton bag.

[0005] In one possible implementation, a placement component is also provided, which is disposed between the front support frame and the rear support frame and near the lower end of the front support frame, and the placement component is used to place the ton bag.

[0006] In one possible implementation, the placement assembly includes a left placement pivot, a right placement pivot, and a placement conveyor belt, the placement conveyor belt being sleeved on the outside of the left and right placement pivots, and the left and right ton bags being disposed on the placement conveyor belt.

[0007] In one possible implementation, the front replacement conveyor belt is sleeved on the outside of the left transport shaft, the right transport shaft, the left placement shaft, and the right placement shaft, the rear replacement conveyor belt is arranged opposite to the front replacement conveyor belt, and the replacement motor drives the left placement shaft to rotate.

[0008] In one possible implementation, the front replacement conveyor belt and the rear replacement conveyor belt are respectively disposed on the front and rear sides of the conveyor belt placement.

[0009] In one possible implementation, the placement assembly further includes rollers disposed between the front support frame and the rear support frame, the rollers passing through the placement conveyor belt.

[0010] In one possible implementation, a set of stops is provided on the outer periphery of the front replacement conveyor belt, the set of stops being used to limit the displacement of the support rod.

[0011] In one possible implementation, the block group includes two sets of opposing limit blocks, with the support rod passing between the two sets of limit blocks.

[0012] In one possible implementation, multiple sets of the stop blocks are arranged along the length of the front replacement conveyor belt.

[0013] In one possible implementation, the upper end of the front support frame is provided with a front support beam for supporting the front replacement conveyor belt.

[0014] The beneficial effects of the ton bag replacement device at the discharge port provided by this utility model are as follows:

[0015] Compared with existing technologies, this invention includes a support frame assembly and a replacement component. The support frame assembly is located below the discharge port of the semi-finished material transport component, which is located at the left end of the component. The support frame assembly includes a front support frame and a rear support frame arranged correspondingly. The replacement component is located between the front and rear support frames and is used for replacing the ton bags. The replacement component is located on the upper end of the front support frame and includes a front replacement conveyor belt, a rear replacement conveyor belt, a left conveyor shaft, a right conveyor shaft, and a replacement motor. The left and right conveyor shafts are both mounted between the front and rear support frames, with the left conveyor shaft located at the left end of the front support frame and the right conveyor shaft located at the right end. The front replacement conveyor belt is fitted over the front ends of the left and right conveyor shafts, and the rear replacement conveyor belt is fitted over the rear ends of the left and right conveyor shafts. The replacement motor drives the front and rear replacement conveyor belts to rotate. Support rods are used to fix the ton bags, and the two sets of support rods pass through the left and right sides of the ton bags, respectively. The device features handles and two sets of support rods mounted on the front and rear replacement conveyor belts, positioned opposite each other to open the ton bags. There are two sets of ton bags: a left ton bag and a right ton bag. The opening of the left ton bag is located below the discharge port of the semi-finished material transport component, allowing the semi-finished material to be directly discharged into it. During this process, an empty right ton bag is placed to the right of the left ton bag. After the right ton bag is in place, its handles on both sides are suspended from a set of support rods, which open the right ton bag. These two sets of support rods are mounted on the front and rear replacement conveyor belts, placing the right ton bag to the right of the discharge port of the semi-finished material transport component, i.e., below it. This eliminates the risk of semi-finished material falling and injuring operators during the placement of the right ton bag. Once the left ton bag is full, the front replacement conveyor belt is rotated, moving the right ton bag to below the discharge port of the semi-finished material transport component. This process is repeated to replace the ton bags, improving the safety of the device. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A front view schematic diagram of the ton bag replacement device for the feeding port provided in this embodiment of the utility model;

[0018] Figure 2 This is a front view schematic diagram of the front replacement conveyor belt used in the embodiment of this utility model;

[0019] Figure 3This is a left-side view of the support frame assembly used in an embodiment of this utility model.

[0020] In the diagram: 1. Semi-finished material transport component; 2. Discharge port; 3. Front support frame; 4. Rear support frame; 5. Connecting crossbeam; 6. Front replacement conveyor belt; 7. Rear replacement conveyor belt; 8. Left transport shaft; 9. Right transport shaft; 10. Replacement motor; 11. Support rod; 12. Left ton bag; 13. Right ton bag; 14. Left placement shaft; 15. Right placement shaft; 16. Placement conveyor belt; 17. Roller; 18. Limiting block; 19. Front support beam. Detailed Implementation

[0021] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model 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 of the present utility model and are not intended to limit the present utility model.

[0022] Please refer to Figures 1 to 3 This invention provides a specific embodiment of a ton bag replacement device for a discharge port, comprising a support frame assembly and a replacement component. The support frame assembly is positioned below the discharge port 2 of the semi-finished material transport component 1, with the discharge port 2 located at the left end of the semi-finished material transport component 1. The support frame assembly includes a front support frame 3 and a rear support frame 4, with a connecting beam 5 between the front support frame 3 and the rear support frame 4. The replacement component is positioned between the front support frame 3 and the rear support frame 4, and is located near the upper end of the front support frame 3. The replacement component includes a front replacement conveyor belt 6, a rear replacement conveyor belt 7, a left transport shaft 8, a right transport shaft 9, and a replacement motor 10. The replacement motor 10 is mounted on the support frame assembly, and the left transport shaft 8 and the right transport shaft 9 are both mounted between the front support frame 3 and the rear support frame 4. The front replacement conveyor belt 6 and the rear replacement conveyor belt 7 are respectively fitted on the outside of the left conveyor shaft 8 and the right conveyor shaft 9. The front replacement conveyor belt 6 is located at the front end of the left conveyor shaft 8, and the rear replacement conveyor belt 7 is located at the rear end of the left conveyor shaft 8. Support rods 11 are respectively set on the left and right sides of the ton bag. The ton bag is hung on the support rods 11, and the support rods 11 are supported on the front replacement conveyor belt 6 and the rear replacement conveyor belt 7. There are two sets of ton bags, namely the left ton bag 12 and the right ton bag 13. The left ton bag 12 is located to the left of the right ton bag 13. The opening of the left ton bag 12 is located below the discharge port 2 of the semi-finished material transport component 1. The replacement motor 10 drives the left conveyor shaft 8 to rotate, which drives the front replacement conveyor belt 6 and the rear replacement conveyor belt 7 to rotate. The right ton bag 13 moves to the left to realize the replacement of the left ton bag 12.

[0023] This utility model provides a ton bag replacement device for a discharge port. Compared with the prior art, it is equipped with a support frame assembly and a replacement component. The support frame assembly is located below the discharge port 2 of the semi-finished material transport component 1, and the discharge port 2 is located at the left end of the semi-finished material transport component 1. The support frame assembly includes a front support frame 3 and a rear support frame 4 arranged correspondingly at the front and rear. The replacement component is located between the front support frame 3 and the rear support frame 4 and is used for replacing the ton bag. The replacement component is located at the upper end of the front support frame 3 and includes a front replacement conveyor belt 6, a rear replacement conveyor belt 7, a left conveyor shaft 8, and a right conveyor belt 9. The conveyor shaft 9 and the replacement motor 10, the left conveyor shaft 8 and the right conveyor shaft 9 are both mounted between the front support frame 3 and the rear support frame 4. The left conveyor shaft 8 is located at the left end of the front support frame 3, and the right conveyor shaft 9 is located at the right end of the front support frame 3. The front replacement conveyor belt 6 is fitted outside the front end of the left conveyor shaft 8 and the front end of the right conveyor shaft 9, and the rear replacement conveyor belt 7 is fitted outside the rear end of the left conveyor shaft 8 and the rear end of the right conveyor shaft 9. The replacement motor 10 drives the front replacement conveyor belt 6 and the rear replacement conveyor belt 7 to rotate. The support rod 11 is used to fix the ton bag. The two sets of support rods 11 pass through the left and right sides of the ton bag, respectively. The handles on the sides and right sides, and the two sets of support rods 11 are both mounted on the front replacement conveyor belt 6 and the rear replacement conveyor belt 7. The two sets of support rods 11 are arranged opposite each other to open the ton bag. There are two sets of ton bags, namely the left ton bag 12 and the right ton bag 13. The opening of the left ton bag 12 is located below the discharge port 2 of the semi-finished material transport component 1. The semi-finished material is directly discharged into the left ton bag 12. During this process, the empty right ton bag 13 is placed to the right of the left ton bag 12. After the right ton bag 13 is placed in place, the handles on the left and right sides of the right ton bag 13 are respectively suspended on a set of support rods 11. The support rod 11 opens the right ton bag 13. Two sets of support rods 11 are set on the front replacement conveyor belt 6 and the rear replacement conveyor belt 7. The right ton bag 13 is located to the right of the discharge port 2 of the semi-finished material transport component 1, that is, below the semi-finished material transport component 1. During the placement of the right ton bag 13, there is no risk of semi-finished material falling and injuring the operator. After the left ton bag 12 is filled, the front replacement conveyor belt 6 is rotated to move the right ton bag 13 to below the discharge port 2 of the semi-finished material transport component 1. The above process is repeated to replace the ton bag, thereby improving the safety of the device.

[0024] For details, please refer to Figures 1 to 3The system includes a support frame assembly and a replacement component. The middle part of the support frame assembly is located below the discharge port 2 of the semi-finished material transport component 1. The support frame assembly includes a front support frame 3 and a rear support frame 4 arranged opposite each other. The front support frame 3 is located in front of the rear support frame 4. The front support frame 3 and the rear support frame 4 are arranged vertically. Multiple sets of connecting beams 5 are arranged between the front support frame 3 and the rear support frame 4 to increase the stability of the device. The replacement component includes a front replacement conveyor belt 6, a rear replacement conveyor belt 7, a left transport shaft 8, a right transport shaft 9, and a replacement motor 10. The left transport shaft 8 and the right transport shaft 9 are arranged perpendicular to the front support frame 3. The left transport shaft 8 is located to the left of the right transport shaft 9 and the left transport shaft 8 and the right transport shaft 9 are rotatable. The front support frame 3 and the rear support frame 4 are provided with bearing seats that match the left transport shaft 8 and the right transport shaft 9. The front replacement conveyor belt 6 and the rear replacement conveyor belt 7 are arranged opposite each other. The front replacement conveyor belt 6 is sleeved on the front end of the left transport shaft 8 and the right transport shaft 9, and the rear replacement conveyor belt 7 is sleeved on the left transport shaft 9. At the rear end of the right transport shaft 9 and shaft 8, a replacement motor 10 drives the front replacement conveyor belt 6 and the rear replacement conveyor belt 7. Support rods 11 suspend the ton bags. A set of support rods 11 is located on the left and right sides of the ton bags. The support rods 11 are mounted on the upper surfaces of the front and rear replacement conveyor belts 6 and 7. The front and rear replacement conveyor belts 6 and 7, through the support rods 11, move the ton bags to the left. There are two sets of ton bags: a left ton bag 12 and a right ton bag 12. Bag 13 and left ton bag 12 are used to hold materials. After left ton bag 12 is full, the front replacement conveyor belt 6 and the rear replacement conveyor belt 7 drive left ton bag 12 and right ton bag 13 to the left. Left ton bag 12 can be removed, and right ton bag 13 is used to hold materials. An empty ton bag is placed to the right of right ton bag 13 to hold materials. During the installation process, the right ton bag is located below the semi-finished material transport component 1 and not below the discharge port 2, so there is no risk of materials falling and injuring the operator.

[0025] As a specific embodiment of the ton bag replacement device for the discharge port provided by this utility model, please refer to Figures 1 to 3 It is also equipped with a placement component, which is located between the front support frame 3 and the rear support frame 4, and is located near the lower end of the front support frame 3. The placement component is used to place ton bags.

[0026] For details, please refer to Figures 1 to 3 The placement component is located between the front support frame 3 and the rear support frame 4. The placement component is located at the lower end of the front support frame 3 and the rear support frame 4. The ton bag is placed on the placement component to facilitate the transportation of the ton bag.

[0027] As a specific embodiment of the ton bag replacement device for the discharge port provided by this utility model, please refer to Figures 1 to 3The placement assembly includes a left placement pivot 14, a right placement pivot 15, and a placement conveyor belt 16. The placement conveyor belt 16 is fitted over the outside of the left placement pivot 14 and the right placement pivot 15, and the left ton bag 12 and the right ton bag 13 are mounted on the placement conveyor belt 16.

[0028] For details, please refer to Figures 1 to 3 The placement assembly includes a left placement pivot 14, a right placement pivot 15, and a placement conveyor belt 16. The left placement pivot 14 and the right placement pivot 15 are arranged perpendicular to the front support frame 3. The left placement pivot 14 and the right placement pivot 15 are mounted on the support frame assembly via rotating bearings. The left placement pivot 14 is located to the left of the right placement pivot 15. The placement conveyor belt 16 is sleeved on the outside of the left placement pivot 14 and the right placement pivot 15. The left ton bag 12 and the right ton bag 13 are mounted on the placement conveyor belt 16. The placement conveyor belt 16 facilitates the transportation of the left ton bag 12 and the right ton bag 13.

[0029] As a specific embodiment of the ton bag replacement device for the discharge port provided by this utility model, please refer to Figures 1 to 3 The front replacement conveyor belt 6 is set outside the left conveyor shaft 8, right conveyor shaft 9, left placement shaft 14, and right placement shaft 15. The rear replacement conveyor belt 7 is set opposite to the front replacement conveyor belt 6. The replacement motor 10 drives the left placement shaft 14 to rotate.

[0030] For details, please refer to Figures 1 to 3 The front replacement conveyor belt 6 is fitted outside the left transport shaft 8, right transport shaft 9, left placement shaft 14, and right placement shaft 15, and is located at the front end of the left transport shaft 8, right transport shaft 9, left placement shaft 14, and right placement shaft 15. The rear replacement conveyor belt 7 is fitted outside the left transport shaft 8, right transport shaft 9, left placement shaft 14, and right placement shaft 15, and is located at the rear end of the left transport shaft 8, right transport shaft 9, left placement shaft 14, and right placement shaft 15. The replacement motor 10 is located at the rear end of the left placement shaft 14 and drives the left placement shaft 14 to rotate, which drives the front replacement conveyor belt 6, rear replacement conveyor belt 7, and placement conveyor belt 16 to rotate synchronously, which helps to transport the left ton bag 12 and the right ton bag 13.

[0031] As a specific embodiment of the ton bag replacement device for the discharge port provided by this utility model, please refer to Figures 1 to 3 The front replacement conveyor belt 6 and the rear replacement conveyor belt 7 are respectively set on the front and rear sides where the conveyor belt 16 is placed.

[0032] For details, please refer to Figures 1 to 3 The front replacement conveyor belt 6 is located in front of the placement conveyor belt 16, and the rear replacement conveyor belt 7 is located behind the placement conveyor belt 16, which facilitates the installation of the ton bag. The ton bag is located between the front replacement conveyor belt 6 and the rear replacement conveyor belt 7.

[0033] As a specific embodiment of the ton bag replacement device for the discharge port provided by this utility model, please refer to Figures 1 to 3 The placement assembly also includes rollers 17, which are mounted between the front support frame 3 and the rear support frame 4 and pass through the placement conveyor belt 16.

[0034] For details, please refer to Figures 1 to 3 The rollers 17 are arranged parallel to the left-hand rotating shaft 14. The rollers 17 are mounted on the support frame assembly via rotating bearings. Multiple sets of rollers 17 are arranged in the same horizontal plane. The conveyor belt 16 is placed on the outside of the rollers 17 to facilitate the transportation of ton bags.

[0035] As a specific embodiment of the ton bag replacement device for the discharge port provided by this utility model, please refer to Figures 1 to 3 A block assembly is provided on the outer periphery of the front replacement conveyor belt 6, which is used to limit the displacement of the support rod 11.

[0036] For details, please refer to Figures 1 to 3 Both the outer periphery of the front replacement conveyor belt 6 and the outer periphery of the rear replacement conveyor belt 7 are equipped with stop blocks, and the stop blocks of the front replacement conveyor belt 6 and the rear replacement conveyor belt 7 are set one-to-one, which helps to limit the displacement of the support rod 11, helps to open the ton bag mouth, and facilitates the pouring of materials.

[0037] As a specific embodiment of the ton bag replacement device for the discharge port provided by this utility model, please refer to Figures 1 to 3 The stop block assembly includes two sets of opposing limit blocks 18, and the support rod 11 passes between the two sets of limit blocks 18.

[0038] For details, please refer to Figures 1 to 3 The stop block group includes two sets of limit stops 18. The two sets of limit stops 18 are set perpendicular to the length direction of the front replacement conveyor belt 6. The two sets of limit stops 18 are arranged left and right, and the space between the two sets of limit stops 18 is suitable for the support rod 11 to pass through, thereby limiting the support rod 11.

[0039] As a specific embodiment of the ton bag replacement device for the discharge port provided by this utility model, please refer to Figures 1 to 3 Multiple sets of stop blocks are set along the length of the front replacement conveyor belt 6.

[0040] For details, please refer to Figures 1 to 3 Multiple sets of stop blocks are arranged along the length of the front replacement conveyor belt 6. There are two types of distances between adjacent stop blocks: one is greater than the width of the ton bag, which makes it easier to open the ton bag opening; the other is smaller, much smaller than the width of the ton bag, which makes it easier to replace the ton bag. The two types of distances are arranged alternately.

[0041] As a specific embodiment of the ton bag replacement device for the discharge port provided by this utility model, please refer to Figures 1 to 3 The upper end of the front support frame 3 is provided with a front support beam 19 for supporting the front replacement conveyor belt 6.

[0042] For details, please refer to Figures 1 to 3 A front support beam 19 is provided at the upper end of the front support frame 3. The front support beam 19 is arranged along the length direction of the front support frame 3. The front replacement conveyor belt 6 is wrapped around the upper end surface of the front support beam 19. A rear support beam is provided at the upper end of the rear support frame 4. The rear support beam is arranged along the length direction of the rear support frame 4. The rear replacement conveyor belt 7 is wrapped around the upper end surface of the rear support beam to increase the stability of the operation of the front replacement conveyor belt 6 and the rear replacement conveyor belt 7.

[0043] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for replacing a ton bag of a draw-off opening, characterized in that The support frame group is arranged below the discharging port of the semi-finished material conveying member, the discharging port is arranged at the left end of the semi-finished material conveying member, the support frame group comprises a front support frame and a rear support frame, a connecting cross beam is arranged between the front support frame and the rear support frame, the replacement assembly is arranged between the front support frame and the rear support frame and is arranged close to the upper end of the front support frame, the replacement assembly comprises a front replacement conveying belt, a rear replacement conveying belt, a left conveying shaft, a right conveying shaft and a replacement motor, the replacement motor is arranged on the support frame group, the left conveying shaft and the right conveying shaft are arranged between the front support frame and the rear support frame, the front replacement conveying belt and the rear replacement conveying belt are respectively sleeved on the outer sides of the left conveying shaft and the right conveying shaft, the front replacement conveying belt is arranged at the front end of the left conveying shaft, and the rear replacement conveying belt is arranged at the rear end of the left conveying shaft, support rods are arranged on the left side and the right side of the ton bag respectively, the ton bag is hung on the support rods, the support rods are arranged on the front replacement conveying belt and the rear replacement conveying belt, the ton bag is provided with two groups, namely a left ton bag and a right ton bag, the left ton bag is arranged on the left side of the right ton bag, the opening of the left ton bag is located below the discharging port of the semi-finished material conveying member, the replacement motor drives the left conveying shaft to rotate, drives the front replacement conveying belt and the rear replacement conveying belt to rotate, and drives the right ton bag to move to the left, so that the left ton bag is replaced.

2. The device according to claim 1, wherein The placing assembly is arranged between the front support frame and the rear support frame and is arranged close to the lower end of the front support frame, and the placing assembly is used for placing the ton bag.

3. A spout sack changing device according to claim 2, wherein The placing assembly comprises a left placing rotating shaft, a right placing rotating shaft and a placing conveying belt, the placing conveying belt is sleeved on the outer sides of the left placing rotating shaft and the right placing rotating shaft, and the left ton bag and the right ton bag are arranged on the placing conveying belt.

4. A spout sack changing device according to claim 3, wherein The front replacement conveying belt is sleeved on the outer sides of the left conveying shaft, the right conveying shaft, the left placing rotating shaft and the right placing rotating shaft, the rear replacement conveying belt is arranged opposite to the front replacement conveying belt, and the replacement motor drives the left placing rotating shaft to rotate.

5. A spout sack changing device according to claim 3, wherein The front replacement conveying belt and the rear replacement conveying belt are respectively arranged on the front side and the rear side of the placing conveying belt.

6. A spout sack changing device according to claim 3, wherein The placing assembly further comprises a plurality of rollers, the rollers are arranged between the front support frame and the rear support frame, and the rollers are arranged in the placing conveying belt.

7. A spout sack changing device according to claim 1, wherein The outer periphery of the front replacement conveying belt is provided with a plurality of stop block groups, and the stop block groups are used for limiting the displacement of the support rods.

8. A spout sack changing device according to claim 7, wherein The stop block group comprises two groups of limiting stop blocks arranged opposite to each other, and the support rods are arranged between the two groups of limiting stop blocks.

9. A spout sack changing device according to claim 7, wherein A plurality of stop block groups are arranged along the length direction of the front replacement conveying belt.

10. The spout sack changing device according to claim 1, wherein The upper end of the front support frame is provided with a front support beam for supporting the front replacement conveying belt.

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