Automatic overturning bag dumping machine

Abstract

The invention discloses an automatic overturning bag dumping machine which comprises a conveying belt, a bag dumping rod and a rotating assembly, one end of the conveying belt is a feeding end, the other end of the conveying belt is a discharging end, the bag dumping rod is arranged above the conveying belt in the width direction of the conveying belt, and the rotating assembly is arranged on the side, close to the feeding end of the conveying belt, of the bag dumping rod. The rotating assembly comprises a rotating support, a rotating plate, clamping rods and rotating clamping rods, the rotating support is arranged on one side of the conveying belt, the rotating plate is horizontally and rotationally arranged on the rotating support, the rotating plate is arranged above the conveying belt, the two rotating clamping rods are arranged on the bottom face of the rotating plate, and one clamping rod is horizontally connected to the end of each rotating clamping rod. The packaging bag stacking device has the effects of conveniently stacking packaging bags and stably placing the packaging bags.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of material packaging and transportation, and particularly relates to an automatic overturning and bag dumping machine. BACKGROUND

[0002] The automatic bag dumping machine is a device for automatically dumping a packaging bag after sealing. The automatic bag dumping machine is usually used in combination with an automatic bag pressing and shaping machine to form an automatic packaging production line together with other packaging machines and conveyors. The automatic bag dumping machine is also called an automatic bag dumping machine. The general working process of the automatic bag dumping machine is as follows: the packaging bag in a vertical state is transported by a conveying belt, and the packaging bag is pushed down by a bag pushing rod arranged horizontally above the conveying belt. Under the joint action of the bag dumping plate and the conveying belt, the packaging bag is transported in a flat state. The automatic bag dumping machine is a necessary device before the bag pressing and shaping machine, and is generally combined with other devices to form an automatic packaging production line or a stacking production line.

[0003] In the prior art, the packaging bag containing material needs to be sealed at the top end, and the sealing is generally in a long strip shape. When the long strip-shaped sealing is parallel to the length direction of the conveying belt or is arranged at a certain angle (not a 90° angle), if the long strip-shaped sealing is directly placed on the conveying belt, the long strip-shaped sealing will be placed vertically or inclined on the conveying belt, and the sealing of the packaging bag cannot be arranged parallel to the surface of the conveying belt, so that the subsequent inkjet printing and automatic stacking are not convenient. In addition, since the packaging bag is pushed down from a vertical state, and the packaging bag is made of flexible material, when the packaging bag is in a vertical state, the material will be concentrated at the bottom end of the packaging bag under the action of gravity and the bottom of the packaging bag will be deformed into a round drum shape. When the packaging bag is pushed down, the material in the packaging bag will be concentrated at one end of the dumped packaging bag, which is not conducive to the subsequent stacking operation of the packaging bag. SUMMARY

[0004] In order to facilitate stacking and stable placement of the packaging bag, the present application provides an automatic overturning and bag dumping machine.

[0005] The automatic overturning and bag dumping machine provided by the present application adopts the following technical scheme: The utility model provides an automatic overturning and pouring machine, which comprises a conveying belt, a pouring rod and a rotating assembly, one end of the conveying belt is an inlet end, the other end is an outlet end, the pouring rod is arranged above the conveying belt along the width direction of the conveying belt, the rotating assembly is arranged on one side of the pouring rod close to the inlet end of the conveying belt, the rotating assembly comprises a rotating support, a rotating plate, clamping rods and rotating clamping rods, the rotating support is arranged on one side of the conveying belt, the rotating plate is horizontally arranged on the rotating support, the rotating plate is arranged above the conveying belt, two rotating clamping rods are arranged on the bottom surface of the rotating plate, one clamping rod is connected to the end of each rotating clamping rod, the rotating support is provided with a driving member for driving the rotating plate to rotate, and the rotating plate is provided with a driving member for driving the rotating clamping rods to rotate.

[0006] By adopting the above technical scheme, the vertically placed packaging bag passes under the rotating plate under the transportation of the conveying belt, the two rotating clamping rods rotate towards each other under the driving of the driving member, the clamping rod clamps the top seal of the packaging bag, the rotating plate drives the clamping rod and the packaging bag to rotate by a certain angle, until the sealing edge is perpendicular to the length direction of the conveying belt. The clamping rod is separated, the packaging bag continues to be transported with the conveying belt, when passing through the pouring rod, the packaging bag is poured and transported out with the conveying belt, realizing stable pouring and transportation of the packaging bag. Through the cooperation of the conveying belt, the pouring rod and the rotating assembly, the packaging bag is stably poured, which has the effects of facilitating stacking and stable placement of the packaging bag.

[0007] Optionally, a support rod is vertically arranged on each side of the width direction of the conveying belt, an adjusting waist-shaped groove is formed in the vertical direction on the support rod, and the two adjusting waist-shaped grooves are in one-to-one correspondence with and slidably connected to the two ends of the pouring rod.

[0008] By adopting the above technical scheme, the position of the end of the support rod in the adjusting waist-shaped groove is adjusted according to packaging bags of different sizes, thereby expanding the application range of the device.

[0009] Optionally, the conveying belt is provided with a flattening assembly, the flattening assembly is arranged on one side of the bag dumping rod close to the discharging end of the conveying belt, the flattening assembly comprises a connecting plate, a flattening shaft, a flattening roller and a rotating rod, one of the connecting plates is arranged along the length direction of the conveying belt on each side of the conveying belt in the width direction, a plurality of flattening shafts are arranged between the two connecting plates along the width direction of the conveying belt, one flattening roller is sleeved on each flattening shaft, one rotating rod is rotatably arranged at each end of the flattening shaft, the two rotating shafts at the two ends of the flattening roller are arranged in parallel, the two rotating rods at the two ends of the flattening roller are arranged in correspondence with the two connecting plates, and the end of the rotating shaft away from the flattening shaft is rotatably connected with the corresponding connecting plate.

[0010] By adopting the above technical scheme, the rotating rod rotates under the driving action of the driving source, the packaging bag passing below the rotating rod is extruded and flattened, the material in the packaging bag can be uniformly distributed, and the stable stacking of the plurality of packaging bags in subsequent operation is facilitated.

[0011] Optionally, the side away from each other of the two connecting plates is horizontally connected with a connecting lug plate, the two sides of the conveying belt in the width direction are vertically provided with guide rods, the guide rods penetrate through the connecting lug plates and are slidably connected with the connecting lug plates, and the conveying belt is provided with a driving member for driving the connecting plates to move in the vertical direction.

[0012] By adopting the above technical scheme, since the connecting lug plate is slidably connected with the guide rod, the height of the flattening assembly can be adjusted according to different packaging bags by the operator, and the application range of the device is expanded.

[0013] Optionally, the conveying belt is provided with a centering assembly, the centering assembly comprises a centering roller, a centering shaft and a mounting plate, two mounting plates are horizontally arranged above the conveying belt, the two mounting plates are symmetrically arranged about the center axis of the length direction of the conveying belt, the distance between the two mounting plates decreases along the direction from the feeding end to the discharging end, a plurality of centering shafts are vertically arranged on the bottom surface of the mounting plate, and the centering roller is rotatably sleeved on the centering shaft.

[0014] By adopting the above technical scheme, the packaging bag after being pushed down is transported along with the conveying belt between the two rows of centering rollers, the two rows of centering rollers guide the position of the packaging bag on the conveying belt, so that the packaging bag can be moved to the middle position of the conveying belt, so that the packaging bag can be stably discharged from the same position each time, and the automatic stacking of the packaging bag is facilitated.

[0015] Optionally, the two connecting ear plates are arranged in one-to-one correspondence with the two mounting plates, a horizontal liquid storage pipe is arranged on the conveying belt in the width direction, a vertical liquid storage pipe is arranged at the top end of the horizontal liquid storage pipe, a communication hole is arranged between the horizontal liquid storage pipe and the vertical liquid storage pipe, a horizontal pressing plate is vertically and slidably arranged in the horizontal liquid storage pipe, a horizontal pressing rod is arranged in the horizontal liquid storage pipe along the length direction thereof, one end of the horizontal pressing rod is connected with the horizontal pressing plate, and the other end of the horizontal pressing rod extends out of the horizontal liquid storage pipe and is connected with the corresponding mounting plate, a vertical pressing plate is horizontally and slidably arranged in the vertical liquid storage pipe, and a vertical pressing rod is vertically arranged in the vertical liquid storage pipe, one end of the vertical pressing rod is connected with the top surface of the vertical pressing plate, and the other end of the vertical pressing rod extends out of the vertical liquid storage pipe and is connected with the corresponding connecting ear plate, and hydraulic oil is injected into the inner cavity formed between the vertical liquid storage pipe, the horizontal liquid storage pipe, the vertical pressing plate and the horizontal pressing plate.

[0016] By adopting the above technical scheme, for packaging bags of different volumes, the height of the leveling roller and the distance between the two rows of centering rollers need to be adjusted. When the connecting plate moves downward, the vertical pressing plate descends, and the hydraulic oil in the vertical liquid storage pipe is injected into the horizontal liquid storage pipe. The two rows of centering rollers move towards each other. At this time, the device can be suitable for packaging bags of smaller volume.

[0017] Optionally, a lifting frame is slidably arranged on the rotating support in the vertical direction, and the rotating plate is rotatably arranged on the lifting frame. The rotating support is provided with a driving member for driving the lifting plate to lift.

[0018] By adopting the above technical scheme, the lifting frame is arranged to facilitate the device to clamp packaging bags of different lengths. The driving member drives the lifting frame to move in the vertical direction until the height thereof corresponds to the height of the packaging bag.

[0019] Optionally, a first visual sensor is arranged on the side of the rotating support facing the conveying belt, and a second visual sensor is arranged on the clamping rod.

[0020] By adopting the above technical scheme, the first visual sensor detects the height of the top edge of the packaging bag, which facilitates the driving member to adjust the height of the lifting frame. The second visual sensor detects the edge angle, which facilitates stable clamping of the edge.

[0021] In summary, the present application has at least one of the following beneficial technical effects: 1. By the cooperation of the conveying belt, the bag dumping rod and the rotating assembly, the packaging bag is stably placed and dumped, which facilitates stacking and stable placement of the packaging bag; 2. The material in the packaging bag can be uniformly distributed, which facilitates stable stacking of a plurality of packaging bags in subsequent operations; 3. The first vision sensor detects the height of the top sealing edge of the packaging bag, facilitating the adjustment of the lifting frame height by the drive mechanism. The second vision sensor detects the sealing edge angle, facilitating stable clamping of the sealing edge. Attached Figure Description

[0022] Figure 1 This is a schematic diagram illustrating the structure of an automatic bag-turning and emptying machine according to an embodiment of this application.

[0023] Figure 2 yes Figure 1 Enlarged view of part A in the middle.

[0024] Figure 3 yes Figure 1 Enlarged view of section B in the middle.

[0025] Figure 4 This is a partial cross-sectional view used in the embodiments of this application to illustrate the horizontal and vertical liquid storage pipes.

[0026] Explanation of reference numerals in the attached drawings: 1. Conveyor belt; 2. Rotating assembly; 21. Rotating bracket; 22. Lifting frame; 23. Rotating shaft; 24. Rotating plate; 25. Clamping rod; 26. Rotating clamping rod; 3. Leveling assembly; 31. Leveling roller; 32. Leveling shaft; 33. Synchronizing rod; 34. Rotating rod; 35. Drive motor; 36. Guide rod; 37. Connecting ear plate; 38. Connecting plate; 4. Centering assembly; 41. Mounting plate; 42. Centering shaft; 43. Centering roller; 5. Bag-inverting crossbar; 6. Support rod; 61. Adjusting waist groove; 7. Adjusting slider; 8. Lifting cylinder; 9. First vision sensor; 10. Second vision sensor; 11. Linkage plate; 12. Horizontal liquid storage pipe; 13. Vertical liquid storage pipe; 14. Connecting hole; 15. Vertical pressure plate; 16. Vertical pressure rod; 17. Horizontal pressure plate; 18. Horizontal pressure rod. Detailed Implementation

[0027] The following is in conjunction with the appendix Figures 1-4 This application will be further described in detail below. Embodiments of this application provide an automatic bag-turning and unloading machine, which facilitates the stacking and stable placement of packaging bags.

[0028] Reference Figures 1-3The utility model provides an automatic overturning and dumping machine, which comprises a conveying belt 1, a rotating assembly 2, a flattening assembly 3 and a centering assembly 4. One end of the conveying belt 1 is an inlet end, and the other end is an outlet end. A dumping cross rod 5 is horizontally arranged above the conveying belt 1 along the width direction of the conveying belt 1. Two support rods 6 are vertically connected to the two ends of the conveying belt 1 along the width direction. An adjusting waist-shaped groove 61 is formed in the length direction of each support rod 6. Two ends of a dumping rod correspond to the two adjusting waist-shaped grooves 61 and are slidably connected to the adjusting waist-shaped grooves 61. The ends of the dumping rod extend out of the adjusting waist-shaped grooves 61 and are connected to an adjusting sliding block 7. A cylinder is arranged on the support rod 6 and used to drive the adjusting sliding block 7 to move vertically.

[0029] With reference to Figure 1 And Figure 2 The rotating assembly 2 is arranged on one side of the conveying belt 1. The rotating assembly 2 comprises a rotating support 21, a lifting frame 22, a rotating shaft 23, a rotating plate 24, a clamping rod 25 and a rotating clamping rod 26. The rotating support 21 is vertically arranged on one side of the conveying belt 1. The lifting frame 22 is slidably arranged on the rotating support 21 along the vertical direction. A lifting cylinder 8 is arranged on the rotating support 21 and used to drive the lifting frame 22 to move vertically. The rotating shaft 23 is vertically rotatably arranged on the lifting frame 22. The rotating plate 24 is horizontally rotatably connected to the bottom end of the rotating shaft 23. A driving source is arranged on the lifting frame 22 and used to drive the rotating plate 24 to rotate. Two rotating clamping rods 26 are rotatably arranged on the bottom surface of the rotating plate 24. A driving source is arranged on the rotating plate 24 and used to drive the rotating clamping rods 26 to rotate. The clamping rod 25 is horizontally arranged on the bottom end of each rotating clamping rod 26. When the rotating clamping rod 26 is rotated to a certain angle, the two rotating clamping rods 26 are in close contact. A first visual sensor 9 is arranged on the side of the rotating frame close to the conveying belt 1. A second visual sensor 10 is arranged on the clamping rod 25.

[0030] With reference to Figure 3 And Figure 4The flattening assembly 3 is arranged on the conveying belt 1, and is located on the side of the bag dumping rod close to the discharging end of the conveying belt 1. The flattening assembly 3 comprises flattening rollers 31, flattening shafts 32, synchronous rods 33, rotating rods 34, a driving motor 35, guide rods 36, connecting lug plates 37 and connecting plates 38. Two connecting plates 38 are arranged above the conveying belt 1 along the length direction of the conveying belt 1, the flattening shafts 32 are arranged in parallel along the width direction of the conveying belt 1 between the two connecting plates 38, and the flattening rollers 31 are sleeved on each flattening shaft 32. The rotating rods 34 are rotatably arranged at both ends of each flattening shaft 32, the two corresponding rotating rods 34 are arranged in parallel, and the end of the rotating rod 34 away from the flattening roller 31 is rotatably connected with the connecting plate 38 on the corresponding side. The synchronous rod 33 is arranged at both ends of the flattening roller 31 along the length direction of the conveying belt 1, and the synchronous rod 33 is rotatably connected with the rotating shafts on the same side. The driving motor 35 is arranged on one of the connecting plates 38, and the output shaft of the driving motor 35 is rotatably connected with the rotating end between the connecting plate 38 and the rotating shaft.

[0031] With reference to Figure 3 and Figure 4 The connecting lug plate 37 is horizontally connected with two connecting lug plates 37 on the side away from each connecting plate 38, the guide rod 36 is vertically arranged on the opposite sides of the width direction of the conveying belt 1, the two guide rods 36 on the same side are arranged in one-to-one correspondence with the two connecting lug plates 37, and the guide rod 36 penetrates through the corresponding connecting lug plate 37 and is slidably connected with the connecting lug plate 37. The two connecting plates 38 are arranged in one-to-one correspondence with the two adjusting sliding blocks 7, the connecting plate 38 and the adjusting sliding block 7 are connected with the linkage plate 11, and the linkage plate 11 is detachably connected with the adjusting sliding block 7 and the connecting plate 38 through the connecting piece.

[0032] With reference to Figure 3 and Figure 4 The centering assembly 4 is arranged on the conveying belt 1, and the centering assembly 4 comprises mounting plates 41, centering shafts 42 and centering rollers 43. The mounting plates 41 are horizontally arranged on the conveying belt 1, and the two mounting plates 41 are symmetrically arranged about the center axis of the length direction of the conveying belt 1. The centering shafts 42 are vertically arranged on the bottom surface of each mounting plate 41, and the centering rollers 43 are sleeved on each centering shaft 42. The centering rollers 43 on the two mounting plates 41 are gradually reduced in distance along the direction from the feeding end to the discharging end.

[0033] With reference to Figure 3 and Figure 4, the two ends of the conveying belt 1 in the width direction are each provided with a horizontal liquid storage pipe 12 along the width direction thereof, the top end of the horizontal liquid storage pipe 12 is vertically connected with a vertical liquid storage pipe 13, and a communication hole 14 is formed between the vertical liquid storage pipe 13 and the horizontal liquid storage pipe 12. The two vertical liquid storage pipes 13 are correspondingly arranged with the connecting lug plates 37 on the two connecting plates 38, a vertical pressing plate 15 is slidingly arranged in the vertical liquid storage pipe 13, a vertical pressing rod 16 is vertically connected to the vertical pressing plate 15, and the top end of the vertical pressing rod 16 is connected with the corresponding connecting lug plate 37. The two horizontal liquid storage pipes 12 are correspondingly arranged with the two mounting plates 41, a horizontal pressing plate 17 is slidingly arranged in the horizontal liquid storage pipe 12, a horizontal pressing rod 18 is connected to the horizontal pressing plate 17 along the width direction of the conveying belt 1, the horizontal pressing rod 18 extends out of the horizontal liquid storage pipe 12 and is connected with the corresponding mounting plate 41. Hydraulic oil is injected into the cavities between the vertical liquid storage pipe 13, the horizontal liquid storage pipe 12, the vertical pressing plate 15 and the horizontal pressing plate 17.

[0034] With reference to Figure 1 and Figure 2 When the packaging bag is transported, the packaging bag is transported below the rotating plate 24, the first visual sensor 9 detects the height of the packaging bag, and the height of the lifting frame 22 is adjusted by the lifting cylinder 8. The second visual sensor 10 detects the top edge sealing angle of the packaging bag, and the top edge sealing of the packaging bag is stably clamped. The two clamping rods 25 clamp the top edge sealing of the packaging bag, the rotating plate 24 is rotated by a certain angle, and the top edge sealing of the packaging bag is consistent with the width direction of the conveying belt 1. The clamping rod 25 is separated from the packaging bag, and the packaging bag passes below the bag dumping rod and is pushed down by the bag dumping rod. For packaging bags of different specifications, the sliding block 7 moves in the vertical direction under the driving of the cylinder, and the height of the bag dumping rod is adjusted.

[0035] With reference to Figure 3 and Figure 4 The packaging bag after being pushed down passes below the flattening assembly 3, the driving motor 35 starts to drive a plurality of flattening rollers 31 to rotate synchronously, the packaging bag is flattened, the material in the packaging bag is uniformly distributed, and stable stacking in subsequent operations is facilitated. At the same time, the centering rollers 43 guide the packaging bag, so that the packaging bag can move to the middle position of the conveying belt 1 and be discharged, and stable discharge of the packaging bag is further realized. For packaging bags of different volumes, the distance between the flattening rollers 31 and the conveying belt 1 and the distance between the two rows of centering rollers 43 need to be adjusted. The connecting plate 38 is lowered to drive the vertical pressing plate 15 to be lowered, and the hydraulic oil in the vertical liquid storage pipe 13 is injected into the horizontal hydraulic pipe. The horizontal pressing rod 18 drives the two mounting plates 41 to move towards each other, so that the distance between the two rows of centering rollers 43 is reduced, so that the device can be suitable for packaging bags with smaller volume. The synchronous adjustment of the height of the bag dumping rod and the height of the connecting plate 38 is realized by the linkage plate 11.

[0036] The implementation principle of the automatic overturning and bagging machine in the embodiment of the application is as follows: when the packaging bag is transported, the packaging bag is transported below the rotating plate 24, the two clamping rods 25 clamp the top seal of the packaging bag, and the rotating plate 24 is rotated to be consistent with the width direction of the conveying belt 1. The clamping rod 25 is separated from the packaging bag, the packaging bag passes below the bagging rod under the conveying of the conveying belt and is pushed down by the bagging rod.

[0037] The overturned packaging bag passes below the flattening assembly 3, the driving motor 35 is started to drive a plurality of flattening rollers 31 synchronously rotate, the packaging bag is flattened, and the material in the packaging bag is uniformly distributed. At the same time, the centering roller 43 guides the packaging bag, so that the packaging bag can move to the middle position of the conveying belt 1 and be discharged, and stable discharge of the packaging bag is further realized.

[0038] The above are preferred embodiments of the application, and are not intended to limit the protection scope of the application, so: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. An automatic turn and tip bagger characterized by: The utility model provides a kind of bagging machine, including conveying belt (1), bagging rod and rotating assembly (2), one end of the conveying is inlet end, the other end is discharge end, the bagging rod is set on the conveying belt (1) above along the width direction of the conveying belt (1), the rotating assembly (2) is set on the bagging rod near the conveying belt (1) inlet end side, the rotating assembly (2) includes rotating support (21), rotating plate (24), clamping rod (25) and rotating clamp rod (26), the rotating support (21) is set on the conveying belt (1) side, the rotating plate (24) is horizontally rotating and is set on the rotating support (21), the rotating plate (24) is set on the conveying belt (1) above, the rotating clamp rod (26) is provided with two on the bottom surface of the rotating plate (24), the clamping rod (25) is horizontally connected with one in the end of the rotating clamp rod (26), the rotating support (21) is provided with the driving element for driving the rotating plate (24) rotation, the rotating plate (24) is provided with the driving element for driving the rotating clamp rod (26) rotation.

2. The automatic self-reversing bag inverting and emptying machine according to claim 1, characterized in that: The conveying belt (1) is vertically provided with a support rod (6) on both sides of the width direction, the support rod (6) is provided with an adjusting waist-shaped groove (61) along the vertical direction, and the two adjusting waist-shaped grooves (61) are correspondingly connected with the two ends of the bagging rod.

3. The automatic self-reversing bag inverting and emptying machine according to claim 1, characterized in that: The conveying belt (1) is provided with a leveling assembly (3), the leveling assembly (3) is arranged on the side of the bagging rod close to the discharge end of the conveying belt (1), and the leveling assembly (3) comprises a connecting plate (38), a leveling shaft (32), a leveling roller (31), and a rotating rod (34). The connecting plate (38) is provided with one on both sides of the width direction of the conveying belt (1) along the length direction of the conveying belt (1). The leveling shaft (32) is provided with a plurality of along the width direction of the conveying belt (1) between the two connecting plates (38). The leveling roller (31) is sleeved with one on each of the leveling shafts (32). The rotating rod (34) is rotatably provided with one on both ends of the leveling shaft (32). The two rotating shafts at both ends of the leveling roller (31) are arranged in parallel. The two rotating rods (34) at both ends of the leveling roller (31) are correspondingly arranged with the two connecting plates (38). The end of the rotating shaft away from the leveling shaft (32) is rotatably connected with the corresponding connecting plate (38). The connecting plate (38) is provided with a driving source for driving the rotating rod (34) to rotate.

4. The automatic self-reversing bag inverting and emptying machine according to claim 3, characterized in that: The side of the two connecting plates (38) away from each other is horizontally connected with a connecting lug plate (37). The conveying belt (1) is vertically provided with a guide rod (36) on both sides of the width direction. The guide rod (36) penetrates the connecting lug plate (37) and is slidably connected therewith. The conveying belt (1) is provided with a driving element for driving the connecting plate (38) to move in the vertical direction.

5. The automatic self-reversing bag inverting and emptying machine according to claim 4, characterized in that: The centering assembly (4) is arranged on the conveying belt (1), and comprises a centering roller (43), a centering shaft (42) and two mounting plates (41).

6. The automatic self-reversing bag inverting and emptying machine according to claim 5, characterized in that: The two connecting ear plates (37) are arranged in one-to-one correspondence with the two mounting plates (41), and the conveying belt (1) is provided with a horizontal liquid storage pipe (12) in the width direction, the top end of the horizontal liquid storage pipe (12) is provided with a vertical liquid storage pipe (13), a communication hole (14) is arranged between the horizontal liquid storage pipe (12) and the vertical liquid storage pipe (13), a horizontal pressing plate (17) is vertically slidably arranged in the horizontal liquid storage pipe (12), a horizontal pressing rod (18) is arranged in the horizontal liquid storage pipe (12) along the length direction thereof, one end of the horizontal pressing rod (18) is connected with the horizontal pressing plate (17), and the other end of the horizontal pressing rod (18) extends out of the horizontal liquid storage pipe (12) and is connected with the corresponding mounting plate (41), a vertical pressing plate (15) is horizontally slidably arranged in the vertical liquid storage pipe (13), and a vertical pressing rod (16) is vertically arranged in the vertical liquid storage pipe (13), one end of the vertical pressing rod (16) is connected with the top surface of the vertical pressing plate (15), and the other end of the vertical pressing rod (16) extends out of the vertical liquid storage pipe (13) and is connected with the corresponding connecting ear plate (37), and the inner cavity formed between the vertical liquid storage pipe (13), the horizontal liquid storage pipe (12), the vertical pressing plate (15) and the horizontal pressing plate (17) is filled with hydraulic oil.

7. The automatic self-reversing bag inverting and emptying machine according to claim 1, characterized in that: The rotating support (21) is provided with a lifting frame (22) which is vertically slidably arranged on the rotating support (21), and the rotating plate (24) is rotatably arranged on the lifting frame (22), and the rotating support (21) is provided with a driving member for driving the lifting frame (22) to lift.

8. The automatic self-reversing bag inverting and emptying machine according to claim 7, characterized in that: The rotating support (21) is provided with a first visual sensor (9) on the side facing the conveying belt (1), and the clamping rod (25) is provided with a second visual sensor (10).

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