Bag pushing device and automatic unpacking equipment

Abstract

The utility model provides a bag pushing device and automatic unpacking equipment. The bag pushing device comprises a hopper structure and a bag pushing assembly. The bag pushing assembly comprises a driver and a bending plate. The driver is installed on the hopper structure. The driver is connected with the bending plate and used for driving the bending plate to move relative to the hopper structure. And the end part of at least one side of the bending plate in the circumferential direction of the hopper structure is bent or bent towards the direction far away from the driver. Thus, on one hand, in the unpacking process, the driver drives the bending plate to extrude or flap the ton bag and pushes the bottom corners to move towards the center of the ton bag, so that powder remaining at the corners flows out along a notch in the bottom of the ton bag, and on the other hand, when the bending plate makes contact with the ton bag, the powder can be discharged out of the notch in the bottom of the ton bag. The end of the bent plate is bent or bent in the direction away from the driver, so that the wrapping degree of the bent plate on the ton bags can be improved, the ton bags are prevented from sliding off from the bent plate, the slipping problem is reduced, the gathering effect of the bent plate on the ton bags when the ton bags are extruded is improved, and discharging is more sufficient.

Description

Technical Field

[0001] The present application relates to the technical field of unpacking equipment, and in particular to a bag pushing device and automatic unpacking equipment. Background Art

[0002] When unpacking ton bags, traditional unpacking equipment usually cuts a local area at the bottom of the ton bag to form an incision. Since the incision does not cover the entire area of ​​the bottom of the ton bag, powder at the bottom corners of the ton bag is likely to remain in the ton bag, resulting in insufficient unloading. Utility Model Content

[0003] The present application provides a bag pushing device and automatic bag unpacking equipment to solve the problem that powder easily remains in ton bags.

[0004] In a first aspect, the present application provides a bag pushing device comprising a hopper structure and a bag pushing assembly. The bag pushing assembly comprises a driver and a bending plate. The driver is mounted on the hopper structure. The driver is connected to the bending plate and is configured to drive the bending plate to move relative to the hopper structure. The bending plate is configured to bend or curve at least one side end portion along the circumference of the hopper structure away from the driver.

[0005] In combination with the first aspect, in certain implementations of the first aspect, the bag pushing assembly is provided in plurality, and the bent plates in the plurality of bag pushing assemblies are arranged in a ring-shaped pattern at intervals along the circumferential direction of the hopper structure.

[0006] In combination with the first aspect, in certain implementations of the first aspect, shapes of the side portions of two adjacent bent plates that are close to each other match.

[0007] In combination with the first aspect, in some implementations of the first aspect, the plurality of bag pushing assemblies are arranged into a plurality of groups, each group includes two bag pushing assemblies, and the second plates in each group of bag pushing assemblies are arranged adjacent to each other.

[0008] In combination with the first aspect, in certain implementations of the first aspect, the bending plate includes a first plate body and a second plate body, the second plate body is connected to the side of the first plate body along the circumferential direction of the hopper structure, and the second plate body is bent or curved relative to the first plate body.

[0009] In combination with the first aspect, in certain implementations of the first aspect, the bent plate has a first side and a second side, the first side is located on the side of the first plate body close to the bottom of the hopper structure, the second side is located on the side of the first plate body away from the second plate body, and is adjacent to the first side, and the first side and the second side are set at an obtuse angle.

[0010] In combination with the first aspect, in certain implementations of the first aspect, the bent plate further has a third side edge, the third side edge is located on the side of the second plate body away from the first plate body and is adjacent to the first side edge, and the third side edge is set at an obtuse angle to the first side edge.

[0011] In combination with the first aspect, in certain implementations of the first aspect, a moving direction of the bending plate is set at an angle to a height direction of the hopper structure.

[0012] In combination with the first aspect, in some implementations of the first aspect, the angle between the first plate and the second plate is 120°-150°.

[0013] In combination with the first aspect, in certain implementations of the first aspect, the hopper structure includes a first hopper and a second hopper, the first hopper is provided with a accommodating cavity, the second hopper is connected to the first hopper, one end of the second hopper is accommodated in the accommodating cavity and is spaced from the inner wall of the first hopper, the other end of the second hopper extends outside the accommodating cavity, and the driver is installed on the second hopper.

[0014] In combination with the first aspect, in certain implementations of the first aspect, the bag pushing assembly further includes a seal, a first fastener, and a second fastener, the seal being connected to the bending plate and the hopper structure to form a sealed cavity, the driver being passed through the sealed cavity, the first fastener and the second fastener being both located in the sealed cavity, the first fastener being used to fix the driver to the bending plate together, and the second fastener being used to fix the seal to the bending plate together.

[0015] In combination with the first aspect, in certain implementations of the first aspect, the bag pushing device also includes a cutting assembly, the cutting assembly includes a cutting part and a lifting part, the cutting part is connected to the lifting part, the lifting part is connected to the hopper structure, and the lifting part is used to drive the cutting part to move along the height direction of the hopper structure.

[0016] In a second aspect, the present application provides a packaging unpacking device, wherein the packaging unpacking device includes a bag pushing device as described in any one of the above items.

[0017] In the bag pushing device and automatic unpacking equipment provided by the present application, based on the connection between the driver and the bending plate, at least one side end of the bending plate along the circumferential direction of the hopper structure is bent or curved toward a direction away from the driver. On the one hand, during the unpacking process, the driver drives the bending plate to squeeze or slap the ton bag, and pushes the bottom corners toward the center of the ton bag, so that the powder remaining at the corners flows out along the incision at the bottom of the ton bag. On the other hand, when the bending plate contacts the ton bag, the end of the bending plate bends or bends toward a direction away from the driver, which can increase the degree of wrapping of the ton bag by the bending plate, prevent the ton bag from slipping off the bending plate, reduce the slipping problem, and improve the gathering effect of the bending plate on the ton bag when squeezing the ton bag, so that the unloading is more complete. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0019] Figure 1 It is a cross-sectional view of the automatic unpacking equipment provided in an embodiment of the present application.

[0020] Figure 2 It is a structural schematic diagram of the bag pushing device provided in an embodiment of the present application.

[0021] Figure 3 It is a top view of the bag pushing device provided in an embodiment of the present application.

[0022] Figure 4 yes Figure 2 Schematic diagram of the structure of the bent plate in the bag pushing assembly.

[0023] Figure 5 is a cross-sectional view of a bag pushing assembly provided in some embodiments of the present application.

[0024] Figure 6 It is a schematic structural diagram of the cutting assembly provided in an embodiment of the present application.

[0025] Explanation of the main reference numerals: automatic unpacking device 100; bag pushing device 7; hopper structure 6; first hopper 61; accommodating chamber 611; dust suction port 6111; second hopper 62; feeding port 6221; dust suction structure 63; material collection structure 64; bag pushing assembly 70; driver 71; main body 711; moving part 712; guide rod 713; bending plate 72; first plate 721; first side 72 11; second side - 7212; second plate - 722; third side - 7221; fourth side - 7222; angle - α1; sealing member - 73; sealing cavity - 730; first fastener - 741; second fastener - 742; third fastener - 743; cutting assembly - 5; cutting member - 51; mounting structure - 52; air outlet - 5202; lifting member - 56; fixing bracket - 566; circumferential direction - C; height direction - Z.

[0026] The following specific implementation methods will further illustrate this application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments in this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0028] References herein to "embodiments" or "implementations" mean that a particular feature, structure, or characteristic described in connection with the embodiments or implementations may be included in at least one embodiment of the present application. The appearance of such phrases in various places in the specification does not necessarily refer to the same embodiment, nor do they constitute independent or alternative embodiments that are mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0029] It should be noted that the terms in the specification and claims of this application and the above-mentioned drawings are intended only to describe specific embodiments and are not intended to limit this application. The terms "first," "second," and so on in the specification and claims of this application and the above-mentioned drawings are used to distinguish different objects, not to describe a specific order. The term "and / or" as used in this application refers to any and all possible combinations of one or more of the associated listed items, including and including these combinations.

[0030] Please also refer to Figure 1 、 Figure 2 and Figure 3 , Figure 1is a cross-sectional view of the automatic unpacking device 100 provided in an embodiment of the present application, Figure 2 Schematic diagram of the structure of the bag pushing device 7 provided in the embodiment of the present application, and a top view of the bag pushing device 7 provided in the embodiment of the present application. Figure 2 and Figure 3 For reference, in this application, the C-axis direction is defined as the circumferential direction of the hopper structure 6, and the Z-axis is defined as the height direction of the hopper structure 6. The circumferential direction C is a direction surrounding the center of the hopper structure 6. The circumferential direction C and the height direction Z are perpendicular to each other.

[0031] The present application provides an automatic unpacking device 100, which includes a hook assembly (not shown) and a bag pushing device 7. The bag pushing device 7 includes a hopper structure 6 and a bag pushing assembly 70. The bag pushing assembly 70 includes a driver 71 and a bending plate 72. The driver 71 is installed on the hopper structure 6. The driver 71 is connected to the bending plate 72. The driver 71 is used to drive the bending plate 72 to move relative to the hopper structure 6. The bending plate 72 is bent or curved along at least one side end of the circumferential direction C of the hopper structure 6 in a direction away from the driver 71. When the automatic unpacking device 100 is performing an unpacking operation, the hook assembly of the automatic unpacking device 100 moves the ton bag into the hopper structure 6. After the ton bag is cut, the powder flows out from the cut of the ton bag and flows into the hopper structure 6. In the embodiment of the present application, during the unpacking process of the automatic unpacking equipment 100, the driver 71 can drive the bending plate 72 to squeeze or slap the ton bag, and the bending plate 72 pushes the corners of the ton bag toward the center of the ton bag, accelerating the outflow of the powder, and allowing the powder remaining at the corners to flow out along the incision at the bottom of the ton bag. When the bending plate 72 contacts the ton bag, the bending plate 72 bends or bends at least one side end along the circumferential direction C of the hopper structure 6 toward the direction away from the driver 71, which can increase the degree of wrapping of the ton bag by the bending plate 72, prevent the ton bag from sliding off the bending plate 72, reduce the slipping problem, and improve the gathering effect of the bending plate 72 on the ton bag when squeezing the ton bag, so that the unloading is more complete.

[0032] Multiple bag pusher assemblies 70 are provided, with the bent plates 72 within each of the multiple bag pusher assemblies 70 arranged in a circular pattern along the circumferential direction C of the hopper structure 6. The multiple bent plates 72 are arranged in a generally circular pattern, and the wrapping surface formed by the multiple bent plates 72 is generally frustum-shaped. This improves the wrapping of the bent plates 72 around the ton bag, effectively preventing the ton bag from slipping off the bent plates 72, and enhancing the squeezing effect of the bent plates 72. The number of bag pusher assemblies 70 can be set based on actual needs and is not specifically limited in this application. For example, in this embodiment, four bag pusher assemblies 70 are provided. The four bag pusher assemblies 70 can be arranged in a rectangular shape, with the bag pusher assemblies 70 positioned at the four corners of the rectangle. The positions of the four bag pusher assemblies 70 on the hopper structure 6 correspond to the four corners of the ton bag, thereby improving the wrapping of the bent plates 72 around the ton bag corners and effectively squeezing the powder out of the ton bag corners. In some embodiments, the four bag pusher assemblies 70 can also be arranged in a square pattern.

[0033] The shapes of the adjacent side portions of the two adjacent bending plates 72 match each other. In this way, when the driver 71 drives the two adjacent bending plates 72 to move closer to each other, the interval between the two adjacent second plates 722 can be reduced, thereby improving the degree of wrapping of the ton bag by the bending plates 72.

[0034] For example, in the two side portions of two adjacent bent plates 72 that are close to each other, the side edges of the two side portions can be constructed as straight lines, and when the two adjacent bent plates 72 are close to each other, the side edges of the two side portions are parallel or approximately parallel. In some embodiments, in the two side portions of two adjacent bent plates 72 that are close to each other, when one of them is provided with a groove, the other is correspondingly provided with a protrusion that matches the shape of the groove, and when the two adjacent bent plates 72 are close to each other, the protrusion gradually enters the groove. For example, the groove can be a rectangular groove and the protrusion can be a rectangular protrusion, or the groove can be a semicircular groove and the protrusion can be a semicircular protrusion. In some embodiments, the side portions of the bent plates 72 can be provided with both grooves and protrusions, and the side portions of the bent plates 72 adjacent to the bent plates 72 are correspondingly provided with protrusions and grooves that match the shapes.

[0035] The movement direction of the bending plate 72 forms an angle with the height direction Z of the hopper structure 6. The driver 71 drives the bending plate 72 to move diagonally upward, allowing the bending plate 72 to both gather the ton bags horizontally and lift them vertically. This allows any powder remaining at the edges of the ton bags to pour down toward the cutouts, improving material removal. The specific angle between the movement direction of the bending plate 72 and the height direction Z of the hopper structure 6 can be set based on actual needs and is not specifically limited in this application.

[0036] Please also refer to Figure 1 、 Figure 2、 Figure 3 and Figure 4 , Figure 4 yes Figure 2 Schematic diagram of the structure of the bending plate 72 in the bag pushing assembly 70. The bending plate 72 includes a first plate body 721 and a second plate body 722 connected to the first plate body 721. The driver 71 is connected to the first plate body 721. The driver 71 is used to drive the first plate body 721 and the second plate body 722 to move relative to the hopper structure 6. The second plate body 722 is connected to the side of the first plate body 721 along the circumferential direction C of the hopper structure 6. The second plate body 722 is bent or curved relative to the first plate body 721 toward the center of the hopper structure 6, that is, it is bent or curved in the direction away from the driver 71. The connection between the first plate body 721 and the second plate body 722 can correspond to the corner of the ton bag. The first plate body 721 and the second plate body 722 can respectively correspond to two adjacent sides of the ton bag.

[0037] Exemplarily, the second plate body 722 is provided as one. In some embodiments, the second plate body 722 may be provided as two, with the first plate body 721 located between the two second plate bodies 722 .

[0038] In some embodiments, the plurality of bag pushing assemblies 70 are arranged in a plurality of groups, each group including two bag pushing assemblies 70. The second plates 722 in each group of bag pushing assemblies 70 are arranged adjacent to each other. The first plates 721 between two adjacent groups of bag pushing assemblies 70 are arranged adjacent to each other.

[0039] The two second plates 722 in each set of bag pushing assemblies 70 have sides that are shaped to match the shapes of the sides away from the first plate 721. The sides of the first plates 721 between two adjacent sets of bag pushing assemblies 70 that are shaped to match the shapes of the sides of the second plates 722. In some embodiments, the sides of the first plates 721 that are shaped to match the sides of the second plates 722 can be arranged in a straight line, and / or the sides of the second plates 722 that are shaped to match the sides of the first plates 721 can be arranged in a straight line. In some embodiments, one of the two second plates 722 in each set of bag pushing assemblies 70 has a groove, and the other has a protrusion that matches the shape of the groove. In some embodiments, one of the first plates 721 between two adjacent sets of bag pushing assemblies 70 has a groove, and the other has a protrusion that matches the shape of the groove.

[0040] The bent plate 72 has a first side 7211 and a second side 7212. The first side 7211 is located on the side of the first plate 721 near the bottom of the hopper structure 6. The second side 7212 is located on the side of the first plate 721 away from the second plate 722 and is adjacent to the first side 7211. The first side 7211 and the second side 7212 are arranged at an obtuse angle. This allows the second side 7212 on the first plates 721 in two adjacent bag-pushing assemblies 70 to become parallel when the driver 71 moves the bent plate 72 away from the sidewall of the hopper structure 6. This reduces the distance between the two first plates 721, thereby improving the wrapping of the first plates 721 around the ton bag, and enabling better squeezing or flapping of the ton bag. The first side 7211 is tilted relative to the horizontal direction of the bag-pushing device 7 to enhance the compactness of the arrangement of the bag-pushing assemblies 70 and prevent interference between adjacent bent plates 72.

[0041] The bending plate 72 also has a third side 7221. The third side 7221 is located on the side of the second plate 722 away from the first plate 721 and is adjacent to the first side 7211. The third side 7221 is arranged at an obtuse angle to the first side 7211. As such, when the driver 71 drives the bending plate 72 away from the side wall of the hopper structure 6, the third sides 7221 on the second plates 722 in two adjacent bag pushing assemblies 70 can be made parallel, reducing the distance between the two second plates 722, thereby increasing the degree of wrapping of the ton bag by the second plates 722, and better squeezing or flapping the ton bag.

[0042] In some embodiments, the bent plate 72 further includes a fourth side 7222. The fourth side 7222 is located between the first side 7211 and the third side 7221. The fourth side 7222 is coplanar with the first side 7211. The third side 7221 and the fourth side 7222 are arranged at an obtuse angle. The fourth side 7222 can reduce the sharpness of the corner where the second plate 722 and the first plate 721 meet, thereby improving the safety of the bent plate 72.

[0043] In some embodiments, the side portion of the first plate 721 corresponding to the second side 7212 is triangular in shape, and / or the side portion of the second plate 722 corresponding to the third side 7221 is triangular in shape. When the bending plate 72 contacts the ton bag upward, the side portions of the first plate body 721 and the second plate body 722 away from the bottom of the hopper structure 6 have less contact area with the ton bag, wherein the corner position of the first plate body 721 away from the bottom of the hopper structure 6 and away from the second plate body 722, and the corner position of the second plate body 722 away from the bottom of the hopper structure 6 and away from the first plate body 721 have less contact area with the ton bag, and the squeezing effect on the ton bag is smaller. In this embodiment, by constructing the side portions of the first plate body 721 and / or the second plate body 722 into a triangular shape, the corner position of the first plate body 721 and / or the second plate body 722 away from the bottom of the hopper structure 6 can be removed, thereby reducing the weight of the bending plate 72 while ensuring sufficient contact area between the bending plate 72 and the ton bag, making the bending plate 72 lightweight.

[0044] The angle α1 between the first plate 721 and the second plate 722 is between 120° and 150°. The angle α1 between the first plate 721 and the second plate 722 can be set according to actual needs and is not specifically limited in this application. For example, the angle α1 between the first plate 721 and the second plate 722 can be 120°, 125°, 130°, 135°, 140°, 145°, 150°, etc.

[0045] For example, the area of ​​the first plate 721 is larger than that of the second plate 722. When the driver 71 drives the bending plate 72 to contact the ton bag, the larger area of ​​the first plate 721 allows the first plate 721 to withstand greater pressure. The second plate 722 is located on the side of the first plate 721. The smaller area of ​​the second plate 722 allows the second plate 722 to withstand less pressure, thereby reducing the bending moment generated by the second plate 722 on the driver 71, improving the stability of the bag pushing assembly 70 when squeezing or slapping the ton bag, and increasing the service life of the bag pushing assembly 70.

[0046] See also Figure 1The hopper structure 6 includes a first hopper 61 and a second hopper 62. The first hopper 61 is provided with a accommodating chamber 611. The second hopper 62 is connected to the first hopper 61. One end of the second hopper 62 is accommodated in the accommodating chamber 611 and is spaced apart from the inner wall of the first hopper 61. The other end of the second hopper 62 extends to the outside of the accommodating chamber 611. A feed port 6221 connected to the accommodating chamber 611 is provided on the second hopper 62. In this embodiment, the second hopper 62 can reduce the size of the opening of the first hopper 61 on the side close to the second hopper 62, and the second hopper 62 can block the dust stirred up when the powder falls into the accommodating chamber 611, thereby reducing or preventing the dust from floating out of the accommodating chamber 611, thereby reducing the dust problem in the automatic unpacking equipment 100, reducing the failure rate of the automatic unpacking equipment 100, improving the service life, and avoiding the problem of dust explosion.

[0047] The automatic unpacking equipment 100 also includes a dust suction structure 63. A dust suction port 6111 connected to the accommodating chamber 611 is provided on the side wall of the first hopper 61. The dust suction structure 63 is arranged at the dust suction port 6111. In this embodiment, on the one hand, the second hopper 62 is used to block the dust, and on the other hand, the suction effect of the dust suction structure 63 forms a negative pressure in the accommodating chamber 611, and an airflow flowing into the accommodating chamber 611 is formed at the feed port 6221. The airflow will blow the dust in the accommodating chamber 611 away from the second hopper 62, and bring the dust generated by the collision of the powder and the second hopper 62 into the accommodating chamber 611, thereby effectively preventing the dust from floating out of the accommodating chamber 611 through the joint action of the second hopper 62 and the dust suction structure 63.

[0048] The automatic unpacking device 100 further includes a collection structure 64. An end of the first hopper 61 away from the second hopper 62 is provided with a discharge port 6112. The collection structure 64 is connected to the discharge port 6112. The collection structure 64 is used to collect the powder material that falls into the receiving chamber 611 and transfer it to other equipment.

[0049] Please also refer to Figure 2 and Figure 5 , Figure 5is a cross-sectional view of a bag pusher assembly 70 provided in some embodiments of the present application. In some embodiments, the bag pusher assembly 70 further includes a seal 73. One end of the seal 73 is connected to the first plate 721 of the bent plate 72, and the other end of the seal 73 is connected to the second hopper 62 of the hopper structure 6. The seal 73 connects with the first plate 721 of the bent plate 72 and the second hopper 62 of the hopper structure 6 to form a sealed cavity 730. A mounting hole is defined in the sidewall of the second hopper 62, and the driver 71 is disposed within the mounting hole and the sealed cavity 730. The seal 73 protects the driver 71. The seal 73 is configured as a telescopic or elastic structure. When the driver 71 drives the bent plate 72 to move relative to the hopper structure 6, the seal 73 deforms with the movement of the bent plate 72. For example, the seal 73 can be configured as an accordion cover. In some embodiments, the seal 73 can also be configured as other telescopic or elastic seals, which are not specifically limited in this application.

[0050] The bag pushing assembly 70 further includes a first fastener 741 and a second fastener 742. Both the first fastener 741 and the second fastener 742 are located within the sealed cavity 730. The first fastener 741 is used to securely connect the driver 71 to the first plate 721 of the bending plate 72. The second fastener 742 is used to securely connect the seal 73 to the first plate 721 of the bending plate 72. In this embodiment, both the first fastener 741 and the second fastener 742 are located within the sealed cavity 730, thereby preventing the first fastener 741 and the second fastener 742 from being exposed within the hopper structure 6. Even if the first fastener 741 and the second fastener 742 become dislodged during long-term use, they will remain within the sealed cavity 730, effectively preventing the first fastener 741 and the second fastener 742 from falling into the powder, thereby significantly improving the safety of the automatic unpacking device 100.

[0051] The bag pushing assembly 70 also includes a third fastener 743. The third fastener 743 is disposed on the outside of the hopper structure 6. The third fastener 743 is used to secure the seal 73 to the sidewall of the second hopper 62 from the outside. This prevents the third fastener 743 from falling into the powder if it becomes loose, thereby improving the safety of the automatic unpacking device 100.

[0052] The driver 71 includes a main body 711 and a movable portion 712. The main body 711 is mounted on the outer wall of the second hopper 62. The main body 711 is used to drive the movable portion 712 to move relative to the second hopper 62. The movable portion 712 is inserted into the mounting hole. The end of the movable portion 712 away from the main body 711 is connected and fixed to the bending plate 72.

[0053] In some embodiments, the driver 71 further includes a guide rod 713. A guide hole is defined in the sidewall of the second hopper 62. The guide rod 713 extends through the guide hole. The guide rod 713 is used to guide the movement of the movable portion 712 and improve the stability of the movable portion 712 relative to the main body 711. A plurality of guide rods 713 may be provided, with the plurality of guide rods 713 spaced apart around the main body 711. For example, two guide rods 713 are provided.

[0054] Please also refer to Figure 1 and Figure 6 , Figure 6 Figure 6 is a schematic diagram of the structure of the cutting assembly 5 provided in an embodiment of the present application. The cutting assembly 5 is disposed within the first hopper 61 and extends from the feed port 6221 to the second hopper 62. During unpacking of a ton bag, the hook assembly moves the ton bag into the second hopper 62, where the cutting assembly 5 cuts a notch in the bottom of the ton bag. Powdered material, under the action of gravity, falls from the feed port 6221 into the receiving chamber 611.

[0055] The cutting assembly 5 includes a cutting piece 51, a mounting structure 52 and a lifting piece 56. The cutting piece 51 is connected to the lifting piece 56. The cutting piece 51 is mounted on the mounting structure 52, and the mounting structure 52 is connected to the lifting piece 56. The lifting piece 56 is connected to the first hopper 61 of the hopper structure 6. The lifting piece 56 is used to drive the cutting piece 51 to move along the height direction Z of the hopper structure 6 so that the cutting piece 51 cuts the ton bag. A pointed tip is provided on the cutting piece 51 to facilitate the cutting piece 51 to puncture the ton bag, reduce the difficulty of cutting, and improve the smoothness of the cut of the ton bag. The automatic unpacking equipment 100 also includes a fixed bracket 566. The fixed bracket 566 is used to fix the cutting assembly 5 to the first hopper 61.

[0056] In some embodiments, a ventilation duct is provided in the mounting structure 52. The mounting structure 52 is provided with an air outlet 5202 connected to the ventilation duct at a position close to the cutting member 51. The ventilation duct is used to be connected to the air supply structure, and the air supply structure is used to pump gas into the ventilation duct. After the cutting member 51 cuts the ton bag, the air outlet 5202 on the mounting structure 52 can blow air into the ton bag. The gas can improve the fluidity of the powder and maintain a positive pressure in the ton bag, thereby increasing the falling speed of the powder, and can blow off the powder attached to the inner wall of the ton bag to prevent the powder from remaining in the ton bag. The number of air outlets 5202 on each mounting structure 52 can be specifically set according to actual needs and is not specifically limited in this application. For example, the air outlets 5202 on each mounting structure 52 can be set to 1, 2, 3, 4, 5, and so on.

[0057] Multiple mounting structures 52 are provided. The cutting element 51 is arranged in a circular ring shape, with multiple mounting structures 52 spaced apart along the circumference of the cutting element 51. The air outlet holes 5202 on each mounting structure 52 align their outlet direction parallel to the tangent line of the cutting element 51 at the connection between the mounting structure 52 and the cutting element 51. This allows the air outlet holes 5202 on the multiple mounting structures 52 to collectively blow air into the ton bag, creating a swirling airflow within the bag. This improves the fluidity of the powder and more thoroughly removes any powder adhering to the bag's inner walls.

[0058] The above are only specific embodiments of the present application, but the scope of protection of the present application is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this application, and such modifications or substitutions should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. A bag pushing device (7), characterized in that: include: Hopper structure (6); A bag pushing assembly (70) includes a driver (71) and a bending plate (72), wherein the driver (71) is mounted on the hopper structure (6), the driver (71) is connected to the bending plate (72), and the driver (71) is used to drive the bending plate (72) to move relative to the hopper structure (6), and the bending plate (72) is bent or curved along at least one side end portion of the circumferential direction (C) of the hopper structure (6) in a direction away from the driver (71).

2. The bag pushing device (7) according to claim 1, characterized in that The bag pushing assembly (70) is provided in plurality, and the bent plates (72) in the plurality of bag pushing assemblies (70) are arranged in an annular pattern at intervals along the circumferential direction (C) of the hopper structure (6).

3. The bag pushing device (7) according to claim 1, characterized in that: The shapes of the side portions of two adjacent bent plates (72) that are close to each other match.

4. The bag pushing device (7) according to claim 1, characterized in that The bending plate (72) includes a first plate body (721) and a second plate body (722), wherein the second plate body (722) is connected to the side of the first plate body (721) along the circumferential direction (C) of the hopper structure (6), and the second plate body (722) is bent or curved relative to the first plate body (721).

5. The bag pushing device (7) according to claim 4, characterized in that: The bent plate (72) has a first side (7211) and a second side (7212), wherein the first side (7211) is located on a side of the first plate body (721) close to the bottom of the hopper structure (6), and the second side (7212) is located on a side of the first plate body (721) away from the second plate body (722) and is adjacent to the first side (7211), and the first side (7211) and the second side (7212) are arranged at an obtuse angle.

6. The bag pushing device (7) according to claim 5, characterized in that: The bent plate (72) further has a third side (7221), the third side (7221) being located on a side of the second plate body (722) away from the first plate body (721) and adjacent to the first side (7211), and the third side (7221) being arranged at an obtuse angle to the first side (7211).

7. The bag pushing device (7) according to claim 4, characterized in that The included angle (α1) between the first plate (721) and the second plate (722) is 120°-150°.

8. The bag pushing device (7) according to claim 4, characterized in that: The plurality of bag pushing assemblies (70) are arranged into a plurality of groups, each group including two bag pushing assemblies (70), and the second plates (722) in each group of bag pushing assemblies (70) are arranged adjacent to each other.

9. The bag pushing device (7) according to claim 1, characterized in that: The moving direction of the bending plate (72) is arranged at an angle to the height direction (Z) of the hopper structure (6).

10. The bag pushing device (7) according to claim 1, characterized in that The hopper structure (6) includes a first hopper (61) and a second hopper (62), wherein the first hopper (61) is provided with a receiving cavity (611), and the second hopper (62) is connected to the first hopper (61), one end of the second hopper (62) is accommodated in the receiving cavity (611) and is spaced apart from the inner wall of the first hopper (61), and the other end of the second hopper (62) extends outside the receiving cavity (611), and the driver (71) is installed on the second hopper (62).

11. The bag pushing device (7) according to claim 1, characterized in that: The bag pushing assembly (70) further includes a sealing member (73), a first fastener (741) and a second fastener (742); the sealing member (73) is connected to the bending plate (72) and the hopper structure (6) to form a sealed cavity (730); the driver (71) is passed through the sealed cavity (730); the first fastener (741) and the second fastener (742) are both located in the sealed cavity (730); the first fastener (741) is used to fix the driver (71) and the bending plate (72) together; the second fastener (742) is used to fix the sealing member (73) and the bending plate (72) together.

12. The bag pushing device (7) according to claim 1, characterized in that The bag pushing device (7) further comprises a cutting assembly (5), wherein the cutting assembly (5) comprises a cutting member (51) and a lifting member (56), wherein the cutting member (51) is connected to the lifting member (56), and the lifting member (56) is connected to the hopper structure (6), and the lifting member (56) is used to drive the cutting member (51) to move along the height direction (Z) of the hopper structure (6).

13. An automatic unpacking device (100), characterized in that: The automatic unpacking device (100) comprises a bag pushing device (7) according to any one of claims 1 to 12.

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