CN220663049U - Automatic bagging machine - Google Patents

Abstract

The utility model discloses an automatic bagging machine, which comprises: the bag opening device is arranged on the frame and matched with the second adsorption structure to grasp the other side of the bag body, two sides of the opening edge of the bag body are mutually far away, the bag supporting device is movably arranged on the frame and can move back and forth relative to the frame, and the bag supporting device and the bag opening device are correspondingly arranged and used for supporting the bag body to be matched with products. The automatic bagging machine can automatically grab the bag body and stably transport the bag body to a position to be packaged and then open the bag body, so that the automation from bag taking to product bagging is realized, and the production efficiency is improved.

Description

Automatic bagging machine

Technical Field

The utility model relates to the technical field of product packaging, in particular to an automatic bagging machine.

Background

At present, most of the packaging of products needs manual completion of workers, the packaging efficiency is lower, the production efficiency can be greatly improved by the application of an automatic bagging machine, but the existing bagging machine needs workers to manually add bag bodies or open the bag bodies, the degree of automation is insufficient, the packaging efficiency is lower, and the production efficiency is influenced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the automatic bagging machine provided by the utility model can automatically grasp the bag body and stably transport the bag body to a position to be packaged and then open the bag body, so that the automation of the whole process from bag taking to product bagging is realized, and the production efficiency is improved.

An automatic bagging machine according to an embodiment of the present utility model includes: the bag opening device is used for being matched with the second adsorption structure so as to grasp the other side of the bag body, the two sides of the opening edge of the bag body are mutually far away, the bag opening device is movably arranged on the frame and can move back and forth relative to the frame, and the bag opening device corresponds to the bag opening device and is used for opening the bag body to be matched with a product.

The automatic bagging machine provided by the embodiment of the utility model has at least the following beneficial effects: after the bag body is placed in the bag storage part, the bag taking device automatically grabs the bag body from the bag storage part and conveys the bag body to a first conveying belt, one side of the bag body is fixedly conveyed to a to-be-packed area of a product by the first conveying belt, the bag opening device grabs the other side of the bag body and moves upwards, the opening of the bag body is opened, the bag opening device opens the bag body to the size capable of being placed in the product, then the material pushing device pushes the product which is conveyed to the to-be-packed area by the material feeding device into the packaging bag, the material pushing device withdraws after the material pushing device withdraws, the product is packed into the bag body, full-automatic packing from the bag body grabbing to the product packing into the bag is realized, the degree of automation is high, labor is liberated, and the production efficiency is improved.

According to some embodiments of the utility model, the grabbing mechanism comprises a first adsorption structure, a first lifting mechanism, a moving block and a first driving piece, wherein the moving block is arranged on the frame and can move left and right relative to the frame through the first driving piece, the first lifting mechanism is connected with the moving block, the first adsorption structure is arranged on the first lifting mechanism, and the first adsorption structure can lift relative to the moving block through the first lifting mechanism.

According to some embodiments of the utility model, the first lifting mechanism comprises a second driving member, a lifting block and a mounting block, the mounting block is connected with the moving block, the lifting block is sleeved on the mounting block and connected with the second driving member, the lifting block can lift relative to the mounting block through the second driving member, and the first adsorption structure is connected with the lifting block.

According to some embodiments of the utility model, the second adsorption structure comprises an adsorption hole and an air extraction mechanism, the adsorption hole is arranged on the first conveyor belt and penetrates through the upper surface and the lower surface of the first conveyor belt, the air extraction mechanism is arranged on a bracket of the first conveyor belt, and the air extraction mechanism is used for forming negative pressure at the upper surface of the first conveyor belt at the adsorption hole.

According to some embodiments of the utility model, the bag opening device comprises a third adsorption structure and a second lifting mechanism, the second lifting mechanism is connected with the frame, the third adsorption structure is connected with the second lifting mechanism, lifting relative to the frame can be achieved through the second lifting mechanism, and the third adsorption structure is used for adsorbing one side, away from the second adsorption structure, of the bag body.

According to some embodiments of the utility model, the second lifting mechanism comprises a cylinder connected to the frame, and the third adsorption structure is connected to a piston rod of the cylinder.

According to some embodiments of the utility model, the bag opening device comprises two groups of opening assemblies, and the two groups of opening assemblies are oppositely arranged and can be mutually close to or far away from each other.

According to some embodiments of the utility model, the expanding assembly comprises a connecting piece, an upper expanding structure, a lower expanding structure and a driving mechanism, wherein the driving mechanism is arranged on the connecting piece, the lower expanding structure is arranged on the connecting piece, the upper expanding structure is arranged on the driving mechanism, and the upper expanding structure can be lifted relative to the lower expanding structure through the driving mechanism.

According to some embodiments of the utility model, the upper opening structure comprises a first mounting piece and a first supporting rod, the first mounting piece is arranged on the driving mechanism, the first supporting rod is arranged on the first mounting piece, the lower opening structure comprises a second mounting piece and a second supporting rod, the second mounting piece is arranged on the connecting piece, and the second supporting rod is arranged on the second mounting piece.

According to some embodiments of the utility model, the driving mechanism comprises two belt wheels and two connecting belts, the two belt wheels are respectively arranged on one surface of the connecting piece, which is far away from the lower opening structure, the connecting belts are sleeved on the belt wheels, and the upper opening structure is connected with the connecting belts.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of an automatic bagging machine according to one embodiment of the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1;

FIG. 3 is a schematic view of a bag-taking device according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a bag opening device according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a bag opening device according to an embodiment of the present utility model;

fig. 6 is a partial cross-sectional illustration at B in fig. 1.

Reference numerals:

a frame 100, a product 110, a bag 120;

the bag taking device 200, the bag storing part 210, the grabbing mechanism 220, the first adsorption structure 221, the lifting mechanism 222, the moving block 223, the lifting block 224, the mounting block 225, the position sensor 226, the suction cup 227, the first conveyor belt 230, the second adsorption structure 231, the air pumping mechanism 232, the first air pumping hole 233, the air pumping box 234, the second air pumping hole 235 and the adsorption hole 236;

bag opening device 300, third adsorption structure 310, second lifting mechanism 320, piston rod 321, adjusting device 330, second connecting piece 331, adjusting piece 332, first guide rail 333;

bag opening device 400, opening assembly 410, upper opening structure 411, lower opening structure 412, connecting piece 413, first mounting piece 414, first stay 415, second mounting piece 416, second stay 417, driving mechanism 420, connecting belt 421, pulley 422, forward and backward movement mechanism 430, third driving piece 431, second guide rail 432, second connecting piece 433, movable portion 434, buffer 435, and mounting portion 436.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The utility model provides an automatic bagging machine which can automatically grab a bag body 120 and stably transport the bag body to a position to be packaged and then open the bag body, so that the whole process from bag taking to product bagging is automated, and the production efficiency is improved.

An automatic bagging machine according to an embodiment of the present utility model, as shown in fig. 1, includes: the bag opening device 300 is used for being matched with the second adsorption structure 231 so that two sides of the opening edge of the bag body 120 are far away from each other, the bag opening device 400 is arranged on the frame 100 and can move back and forth relative to the frame 100, and the bag opening device 400 is correspondingly arranged with the bag opening device 300 and is used for opening the bag body 120 to be matched with a product 110.

According to the automatic bagging machine of the embodiment, after the bag body 120 is placed in the bag storage part 210, the bag taking device 200 automatically grabs the bag body 120 from the bag storage part 210 and conveys the bag body 120 to the first conveying belt 230, the first conveying belt 230 fixes one side of the bag body 120 and conveys the bag body to a bag to-be-bagged area of a product 110, the bag opening device 300 grabs the other side of the bag body 120 and moves upwards, the opening of the bag body 120 is initially opened, the bag opening device 400 expands the bag body 120 to a size capable of being filled with the product 110, then the material pushing device pushes the product 110 which is conveyed to the bag to be packaged by the material feeding device into a packaging bag, the material pushing device is retracted after the bag opening device 400 is retracted, the product 110 is filled into the bag body 120, full-automatic packaging from grabbing the bag body 120 to the product 110 into the bag is achieved, the product 110 can be efficiently filled into the bag body 120, labor intensity of workers can be reduced, and batch production of the product is facilitated.

As shown in fig. 1 to 3, the grabbing mechanism 220 includes a first adsorption structure 221, a first lifting mechanism 222, a moving block 223 and a first driving member, the first lifting mechanism 222 is connected with the moving block 223, the first adsorption structure 221 is disposed on the first lifting mechanism 222, the first adsorption structure 221 can lift relative to the moving block 223 through the first lifting mechanism 222, so that the first adsorption structure 221 can descend first, the moving block 223 is disposed on the frame 100 after grabbing the bag 120, and can move left and right relative to the frame 100 through the first driving member, so that the first adsorption structure 221 can move rightward after successfully grabbing the bag 120, and then the bag 120 is conveyed onto the first conveyor belt 230 and put down. Through this setting, make first adsorption structure 221 can do the oscilaltion and control the removal motion, can realize comparatively flexibly snatching and placing bag body 120, adapt to more work needs, improve degree of automation, simple structure, be convenient for make and maintain, work efficiency is high.

It should be noted that, the first driving member may be a screw, and the moving block 223 is in threaded connection with the screw, and the moving block 223 is driven to move under the rotation of the screw. The screw rod is adopted for driving, the structure is simple, the precision is high, and the movement is stable.

It will be appreciated that in practical applications, the first driving member may also be a sprocket, and the moving block 223 is connected to the chain, and when the sprocket rotates, the moving block 223 is driven to move. The chain wheel is adopted for driving, the structure is simple, the installation is convenient, and the manufacturing and maintenance cost is low.

It can be appreciated that, as shown in fig. 3, the first adsorption structure 221 includes a suction cup 227, and makes the surface of the suction cup 227 generate negative pressure through the air suction device, so as to generate an adsorption effect on the bag body 120, thereby realizing a function of grabbing the bag body 120 relatively stably.

As shown in fig. 3, the first lifting mechanism 222 includes a second driving member, a lifting block 224 and a mounting block 225, where the mounting block 225 is connected with the moving block 223, so that the first lifting mechanism 222 can move along with the moving block 223, and the lifting block 224 is sleeved on the mounting block 225 and connected with the second driving member, so that the lifting block 224 can lift relative to the mounting block 225 through the second driving member, and the first adsorption structure 221 is connected with the lifting block 224, so that the first adsorption structure 221 can lift relative to the frame 100 along with the lifting of the lifting block 224. Through this setting, when realizing first adsorption structure 221 removal and lift function, simple structure is convenient for install in dismantling, and manufacturing and maintenance cost are low.

It will be appreciated that in some embodiments, the second drive member may be a screw, and the lifting block 224 is threadably connected to the screw. The screw rod is used as a driving piece, so that the lifting device is convenient to install, stable in transmission and capable of well controlling the lifting distance.

It will be appreciated that in some embodiments, the second drive member may also be a sprocket, with the lifting block 224 being connected to the chain. The chain wheel is adopted as a driving piece, the structure is simple, the maintenance is convenient, and the production and use cost is reduced.

It will be appreciated that, as shown in fig. 3, the grabbing mechanism 220 further includes two position sensors 226, the two position sensors 226 are respectively disposed at two ends of the motion track of the moving block 223 on the frame 100, after the moving block 223 moves to the position sensor 226, the controller receives the information of the position sensor 226 and controls the first driving member to stop driving, so that the moving block 223 stops moving, which can limit the moving range of the moving block 223, avoid damage caused by the moving block 223 exceeding the moving range, limit the moving range by adopting the controller, and have simple structure and convenient installation.

It will be appreciated that, as shown in fig. 3, the first lifting mechanism 222 includes a position sensor 226, the position sensor 226 is disposed at two ends of the movement path of the lifting block 224 on the mounting block 225, when the lifting block 224 moves to the position of the position sensor 226, the sensor 226 sends a signal to the controller, and the controller stops driving the second driving member, so that the lifting block 224 stops moving, the movement range of the lifting block 224 is limited, interference or even damage caused by exceeding the movement range of the lifting block 224 is avoided, the structure is simple, the safety is improved, and the service life of the first lifting mechanism 222 is prolonged.

It should be noted that, in some embodiments, two position sensors 226 may be disposed at one end of the movement path of the moving block 223 on the frame, and the two position sensors 226 may detect the movement direction of the moving block 223, so that the position of the moving block 223 is determined in the control system, which is convenient for the control system to control, realizes automatic operation, has a simple structure, is convenient for installation and maintenance, and improves the working efficiency.

It should be noted that, in some embodiments, two position sensors 226 may be disposed at one end of the movement path of the lifting block 224 on the moving block 223, and the two position sensors 226 may detect the movement direction of the lifting block 224, so that the position of the lifting block 224 is determined in the control system, which is convenient for the control system to control, realizes automatic operation, has a simple structure, is convenient for installation and maintenance, and improves the working efficiency.

As shown in fig. 1 to 6, the second adsorption structure 231 includes adsorption holes 236 and a suction mechanism 232, the adsorption holes 236 are disposed on the first conveyor belt 230 and penetrate the upper and lower surfaces of the first conveyor belt 230, the suction mechanism 232 is disposed on a support of the first conveyor belt 230, and the suction mechanism 232 is used to form a negative pressure at the upper surface of the first conveyor belt 230 at the adsorption holes 236, so that the bag 120 can be adsorbed on the upper surface of the first conveyor belt 230, and the bag 120 can be stably transported to a predetermined position. The adsorption holes 236 are formed in the conveying belt, the bag body 120 can be fixed after the bag body 120 is placed on the conveying belt by the grabbing mechanism 220, the bag body is transported, the bag body is matched with the adsorption structure of the bag opening device 300 in bag opening, two sides of the edge of the bag body 120 are mutually separated, the bag body 120 is initially opened, and accordingly the bag body 120 can be opened by the bag opening device 300 in a matched mode while the stable transportation function is achieved, production efficiency is improved, and production cost is reduced.

As shown in fig. 6, the air extraction mechanism 232 includes a first air extraction hole 233, an air extraction box 234, and an air extraction driving device, the air extraction box 234 is disposed below the first conveyor belt 230 to form a cavity that is communicated with the first air extraction hole 233, a second air extraction hole 235 is disposed on a surface of the air extraction box 234, which is close to the conveyor belt, the first air extraction hole 233 is disposed on a side wall of the frame 100 of the conveyor belt 230, the air extraction driving device is connected with the second air extraction hole 235, when the air extraction driving device works, air in the air extraction box 234 is extracted from the first air extraction hole 233, and air is sucked into the air extraction box 234 from the adsorption hole 236 through the second air extraction hole 235, so that a negative pressure is formed on an upper surface of the conveyor belt 230, and the bag 120 is adsorbed on the first conveyor belt 230 for transportation. Through this setting, can adsorb and release the bag body 120 through the start-up control first conveyer belt 230 of control air extraction drive arrangement, simple structure, the automated control of being convenient for, the cost is lower, improves production efficiency.

As shown in fig. 1 to 4, the bag opening device 300 includes a third adsorption structure 310 and a second lifting mechanism 320, the second lifting mechanism 320 is connected with the frame 100, the third adsorption structure 310 is connected with the second lifting mechanism 320, and can lift relative to the frame 100 by the second lifting mechanism 320, and the third adsorption structure 310 is used for adsorbing one side of the bag 120 far from the second adsorption structure 231. When the third adsorption structure 310 adsorbs the other side of the bag 120, the second lifting mechanism 320 moves upwards, so that the two sides of the opening of the bag 120 can be separated, the bag 120 is initially opened, the subsequent work is facilitated, the structure is simple, the automation is improved, and the manufacturing and maintenance cost is reduced.

As shown in fig. 4, the second elevating mechanism 320 includes a cylinder connected to the frame 100, and the third adsorption structure 310 is connected to a piston rod 321 of the cylinder. The cylinder response is faster, and job stabilization, and the cost is lower, improves work efficiency, reduction in production cost.

It should be noted that, as shown in fig. 4, the apparatus further includes an adjusting device 330, the adjusting device 330 includes a second connecting piece 331, an adjusting piece 332 and a first guide rail 333, the second connecting piece 331 is connected with the bag opening device 300, the rail 333 is disposed on the frame 100, a groove matched with the first guide rail 333 is disposed on the second connecting piece 331, the second connecting piece 331 is matched with the first guide rail 333 through the groove, so that the bag opening device 300 can lift on the first guide rail 333, the adjusting piece 332 includes a screw rod, the screw rod is in threaded connection with the bag opening device 300, and when the adjusting piece 332 is rotated, the screw rod can drive the bag opening device 300 to lift along the guide rail, thereby adjusting the distance between the third adsorption structure 310 and the upper surface of the first conveyor belt 230. The bag opening device 300 can adapt to different working requirements through the adjusting device 330, so that the production efficiency is improved, and the use cost is reduced.

As shown in fig. 1 to 5, the bag opening device 400 includes opening assemblies 410, wherein the opening assemblies 410 are provided with two groups, and the opening assemblies 410 of the two groups are disposed opposite to each other and can be close to each other or far from each other. The two groups of bag opening devices 400 which can be mutually close or far away are mutually close when working, and are lifted into the bag body 120 before being separated from each other, so that the bag body 120 is opened in the left-right direction, the further opening of the bag body 120 is realized, the structure is simple, the working reliability is good, and the working efficiency is high.

It should be noted that, as shown in fig. 1 to 5, the automatic bagging machine further includes a back-and-forth moving mechanism 430, the back-and-forth moving mechanism 430 includes a third driving member 431, a second guide rail 432 and a second connecting member 433, the second guide rail 432 is installed on the frame 100, the second connecting member 433 is provided with a groove adapted to the second guide rail 432 and is connected with the second guide rail 432 through the groove, the third driving member 431 includes a movable portion 434, the third driving member 431 is connected to the frame 100, the movable portion 434 is connected with the bag supporting device 400, the third driving member 431 can drive the bag supporting device 400 to move back and forth through the movement of the movable portion 434, the structure is simple, the movement is reliable, the disassembly and maintenance are convenient, the production cost is reduced, and the production efficiency is improved.

As shown in fig. 5, the back-and-forth movement mechanism 430 further includes two buffers 435 and an installation portion 436, where the two buffers 435 are disposed on the installation portion 436, and buffer the movable portion 434 when moving close to the installation portion 436, so as to avoid the movable portion 434 from directly colliding with the installation portion 436, improve the reliability of the operation of the back-and-forth movement mechanism 430, and prolong the service life.

It should be noted that, as shown in fig. 5, the bag opening device 400 further includes a left-right moving mechanism 440, where the left-right moving mechanism 440 includes a mounting frame 441, a second belt pulley 442 and a second connecting belt 443, the second belt pulley 442 is provided with two, and is respectively disposed at two ends of the mounting frame 441 along the length direction, the second connecting belt 443 is sleeved with the two second belt pulleys 442, one of the two opening assemblies 410 is connected with one side of the second connecting belt 443, which is close to the first conveyor belt 230, and the other side of the second opening assembly is connected with one side of the second connecting belt 443, which is far from the second conveyor belt 230.

As shown in fig. 5, the spreader assembly 410 includes a connector 413, an upper spreader structure 411, a lower spreader structure 412, and a driving mechanism 420, the driving mechanism 420 is disposed on the connector 413, the lower spreader structure 412 is disposed on the connector 413, the upper spreader structure 411 is disposed on the driving mechanism 420, and the upper spreader structure 411 can be lifted relative to the lower spreader structure 412 by the driving mechanism 420. Through this setting for strut subassembly 410 can realize opening about bag body 120 and realize opening of the upper and lower direction of bag body 120 simultaneously, thereby with the bag body 120 open completely, simple structure, it is convenient to dismantle, is convenient for follow-up maintenance or replacement.

As shown in fig. 5, the upper stretching structure 411 includes a first mounting member 414 and a first supporting rod 415, the first mounting member 414 is disposed on the driving mechanism 420, the upper stretching structure 411 is connected with the driving mechanism 420, the first supporting rod 414 is disposed on the first mounting member 415, the lower stretching structure 412 includes a second mounting member 416 and a second supporting rod 417, the second mounting member 416 is disposed on the connecting member 413, and the second supporting rod 417 is disposed on the second mounting member 416. During operation, the first stay bar 414 and the second stay bar 417 extend into the bag body 120 to prop up the bag body 120 to the size matched with the product 110, and the prop-up bars are arranged on the mounting piece, so that the structure is simple, the operation is reliable, and the replacement and the maintenance are convenient.

It will be appreciated that, as shown in fig. 5, two first struts 415 and two second struts 417 are provided, the two first struts 415 are respectively disposed on two mutually perpendicular surfaces of the first mounting member 415, and the two second struts 417 are respectively disposed on two mutually perpendicular surfaces of the second mounting member 416. Through this setting, can fully prop up the bag body 120, simple structure, simple to operate.

As shown in fig. 5, the driving mechanism 420 includes two pulleys 422 and a connecting belt 421, the two pulleys 422 are respectively disposed on one surface of the connecting member 412 far away from the lower supporting structure 412, the connecting belt 421 is sleeved on the pulleys 422, the upper supporting structure 411 is connected with the connecting belt 421, and the connecting belt 421 is driven to rotate by rotation of the pulleys 422, so as to drive the upper supporting structure 411 disposed on the connecting belt 421 to do lifting motion relative to the lower supporting structure 412. The belt wheel driving structure is simple, the disassembly is convenient, the replacement and maintenance costs are low, the movement is reliable, and the production efficiency is improved.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present utility model as defined in the claims.

Claims (10)

1. An automatic bagging machine for filling bags (120) with products (110), characterized in that it comprises:

a frame (100);

the bag taking device (200) comprises a bag storage part (210), a grabbing mechanism (220) and a first conveyor belt (230), wherein the grabbing mechanism (220) is arranged on the frame (100), the grabbing mechanism (220) is used for grabbing the bag body (120) from the bag storage part (210) to the first conveyor belt (230), the first conveyor belt (230) is provided with a second adsorption structure (231), and the second adsorption structure (231) can adsorb one side of the bag body (120);

the bag opening device (300) is arranged on the frame (100) to grasp the other side of the bag body (120), and the bag opening device (300) is used for being matched with the second adsorption structure (231) so as to enable the two sides of the opening edge of the bag body (120) to be far away from each other;

the bag opening device (400) is arranged on the frame (100) and can move back and forth relative to the frame (100), and the bag opening device (400) and the bag opening device (300) are arranged correspondingly and are used for opening the bag body (120) to be matched with the product (110).

2. The automatic bagging machine according to claim 1, wherein the gripping mechanism (220) comprises a first adsorption structure (221), a first lifting mechanism (222), a moving block (223) and a first driving member, the moving block (223) is arranged on the frame (100) and can move left and right relative to the frame (100) through the first driving member, the first lifting mechanism (222) is connected with the moving block (223), the first adsorption structure (221) is arranged on the first lifting mechanism (222), and the first adsorption structure (221) can be lifted relative to the moving block (223) through the first lifting mechanism (222).

3. The automatic bagging machine according to claim 2, wherein the first lifting mechanism (222) comprises a second driving member, a lifting block (224) and a mounting block (225), the mounting block (225) is connected with the moving block (223), the lifting block (224) is sleeved on the mounting block (225) and connected with the second driving member, the lifting block (224) can be lifted relative to the mounting block (225) by the second driving member, and the first adsorption structure (221) is connected with the lifting block (224).

4. The automatic bagging machine according to claim 1, wherein the second suction structure (231) comprises a suction hole (236) and a suction mechanism (232), the suction hole (236) is disposed on the first conveyor belt (230) and penetrates through the upper and lower surfaces of the first conveyor belt (230), the suction mechanism (232) is disposed on a bracket of the first conveyor belt (230), and the suction mechanism (232) is used for forming negative pressure on the upper surface of the first conveyor belt (230) at the suction hole (236).

5. The automatic bagging machine according to claim 1, wherein the bag opening device (300) comprises a third adsorption structure (310) and a second lifting mechanism (320), the second lifting mechanism (320) is connected with the frame (100), the third adsorption structure (310) is connected with the second lifting mechanism (320), lifting relative to the frame (100) can be achieved through the second lifting mechanism (320), and the third adsorption structure (310) is used for adsorbing one side of the bag body (120) away from the second adsorption structure (231).

6. An automatic bagging machine according to claim 5, wherein the second lifting mechanism (320) comprises a cylinder connected to the frame (100), and the third suction structure (310) is connected to a piston rod (321) of the cylinder.

7. The automatic bagging machine according to claim 1, wherein the bag opening device (400) comprises two groups of opening assemblies (410), and the two groups of opening assemblies (410) are arranged opposite to each other and can be close to each other or far from each other.

8. The automatic bagging machine according to claim 7, wherein the stretching assembly (410) comprises a connecting piece (413), an upper stretching structure (411), a lower stretching structure (412) and a driving mechanism (420), the driving mechanism (420) is arranged on the connecting piece (413), the lower stretching structure (412) is arranged on the connecting piece (413), the upper stretching structure (411) is arranged on the driving mechanism (420), and the upper stretching structure (411) can be lifted relative to the lower stretching structure (412) through the driving mechanism (420).

9. The automatic bagging machine according to claim 8, wherein the upper stretching structure (411) comprises a first mounting member (414) and a first supporting rod (415), the first mounting member (414) is arranged on the driving mechanism (420), the first supporting rod (415) is arranged on the first mounting member (414), the lower stretching structure (412) comprises a second mounting member (416) and a second supporting rod (417), the second mounting member (416) is arranged on the connecting member (413), and the second supporting rod (417) is arranged on the second mounting member (416).

10. The automatic bagging machine according to claim 9, wherein the driving mechanism (420) comprises two pulleys (422) and a connecting belt (421), the two pulleys (422) are respectively arranged on one surface of the connecting piece (413) away from the lower stretching structure (412), the connecting belt (421) is sleeved on the pulleys (422), and the upper stretching structure (411) is connected with the connecting belt (421).