CN220884990U - Packaging machine with automatic bag opening function - Google Patents

Abstract

The utility model belongs to the technical field of packaging, and particularly relates to a packaging machine with an automatic bag opening function, which comprises a machine shell; the bag discharging roller is connected with the shell; the bag opening component is connected to one side of the shell and is arranged beside the bag discharging roller; the bag opening part comprises a first fixing body, and the first fixing body is connected with the shell; the bag opening bodies are respectively arranged at two sides of the first fixing body; and the inserting bag body is connected to the bag opening body, and through the arrangement of the bag opening component, the problem that articles are not easy to be filled due to unopened PE bag openings or the deviation of opening positions is solved, the full-open state of the PE bag openings is realized, the bag opening accuracy is improved, the bag opening quality is ensured, the articles are loaded more conveniently and rapidly, and the smoothness of bag opening and article bagging is ensured.

Description

Packaging machine with automatic bag opening function

Technical Field

The utility model belongs to the technical field of packaging, and particularly relates to a packaging machine with an automatic bag opening function.

Background

The packaging machine is mainly applied to the field of electronic commerce finished product bagging and packaging, realizes various requirements of PE bag packaging automation, and plays roles of protection and attractive appearance. Along with the development of the E-commerce industry, PE bag packaging is widely applied in the life and industry.

The PE bags in the market are opened mainly by blowing. However, the blowing mode mainly blows the bag opening through airflow, and the phenomenon of non-opening or deviation of the blowing occurs, so that the bag opening is not opened or the opening position is deviated, and under the condition, articles are put into the bag, so that the articles are easy to break, or the articles are pressed to cause equipment damage or personnel injury.

Disclosure of utility model

In order to solve the defects of the prior art, the utility model provides the packaging machine with the automatic bag opening function, and the problem that articles are difficult to load due to unopened PE bag openings or deviation of opening positions is solved by arranging the bag opening parts, so that the full opening state of the PE bag openings is realized, the bag opening accuracy is improved, the bag opening quality is ensured, the loading of articles is more convenient and rapid, and the smoothness of bag opening and article bagging is ensured.

The technical effects to be achieved by the utility model are realized by the following technical scheme:

A packaging machine with automatic bag opening function comprises a machine shell; the bag discharging roller is connected with the shell; the bag opening component is connected to one side of the shell and is arranged beside the bag discharging roller; the bag opening part comprises a first fixing body, and the first fixing body is connected with the shell; the bag opening bodies are respectively arranged at two sides of the first fixing body; and the inserting bag body is connected to the opening bag body. Wherein, the bag discharging roller is used for conveying PE bags which are labeled but have unopened bag openings.

In the utility model, the bag opening operation is as follows: when the PE bags are not conveyed out by the bag discharging roller, the bag opening body moves the bag inserting body to the bag discharging position of the bag discharging roller, after the bag is discharged by the bag discharging roller, the bag inserting body moves towards the opening direction of the PE bags until a certain depth of the PE bag openings is inserted, then the bag opening body moves towards the direction far away from the bag discharging roller to pull the PE bags, and the bag opening is outwards pulled through the bag inserting body, so that the PE bag openings are unfolded to be in a fully opened state. Through this setting, realize PE sack full open state, improve the bag precision of opening, guarantee to open bag quality, load article more convenient and fast, guarantee the smoothness of opening bag and article bagging-off, avoid article bagging-off in-process to fall down the phenomenon, improve the security of bagging-off operation.

Further, the bag opening body comprises a first guide rail, and the first guide rail is connected with the first fixing body; the first air cylinder is movably connected to the first guide rail; the second guide rail is connected with the first fixed body and is arranged above the first guide rail; and the moving block is fixedly connected to the first air cylinder, and is connected to the second guide rail in a sliding manner, and the moving block is connected with the inserting bag body. Wherein, the first cylinder moves back and forth for opening the bag; the front and the back are based on the bag discharging roller, and the movement in the direction close to the bag discharging roller is the back, and the movement in the direction far away from the bag discharging roller is the front. The bag opening body further comprises a limiting block, wherein the limiting block is arranged between the first guide rail and the second guide rail, is fixedly connected to one side of the first fixing body and used for blocking the shifting block, can prevent the shifting block from excessively moving, and ensures moving safety.

Through the setting of opening the bag body, its specific work flow of opening the bag is: before opening the bag, the first air cylinder is positioned on the second guide rail close to the bag outlet roller, after the bag inserting body is inserted into the bag opening, the bag opening operation is required to be carried out, namely, the second air cylinder is started, so that the second air cylinder slides on the second guide rail in the direction away from the bag outlet roller, and the bag inserting body is driven to open the bag opening forwards. Ensure the smoothness of the bag opening operation, have simple action and improve the bag opening easiness. Wherein, the stability of opening the bag operation can be effectively guaranteed to first fixed body, guarantees the quality of opening the bag.

Further, the inserting bag body comprises a second air cylinder and inserting bag sheets; the second cylinder is connected with the movable block, and the inserting bag sheet is movably connected to the lower end of the second cylinder up and down. The second cylinder is an up-and-down moving cylinder and is used for inserting bags. Through this setting, the specific operation of slash pocket does: when the bag outlet roller conveys the PE bag opening to the lower end of the bag inserting sheet, the second cylinder is started, so that the bag inserting sheet is driven to be inserted into the PE bag opening, and the bag inserting operation is completed. The operation provides a bag opening operation point for subsequent bag opening operation, greatly improves the success rate of bag opening, has compact and simple structure, and is convenient for subsequent maintenance of the device.

Further, the first fixing body comprises a first fixing block and a second fixing block, and the first fixing block and the second fixing block are symmetrically arranged and are respectively connected with the casing. Through this setting, guarantee PE sack's both sides and carry out the operation of opening the bag steadily simultaneously, and for first fixed block and second fixed block provide the scope that can reciprocate for first cylinder, effectively guarantee the completeness of opening the bag.

Further, the first fixing body further comprises a third fixing block, one end of the third fixing block is connected with the first fixing block, and the other end of the third fixing block is connected with the second fixing block. The device also comprises a feeding part; the feeding part is connected to the third fixed block. Through this setting, third fixed block and pan feeding part are connected, guarantee the feasibility of pan feeding position, improve the pan feeding accuracy, and through the setting of third fixed block, guarantee the stability firm of pan feeding process, improve the reliability.

Further, the feeding part comprises a second fixing body, wherein the second fixing body is arranged in a central symmetry manner with the third fixing block and is connected to the third fixing block; the third air cylinder is arranged between the second fixing bodies and is connected to the middle position of the third fixing block; the first hopper is connected with the second fixed body; the second hopper is connected with the third cylinder and arranged below the first hopper.

Wherein, first hopper is used for being connected with the supply equipment, guarantees that article passes through first hopper entering second hopper. The second hopper is used for flowing the articles into the packaging bag. The first hopper and the second hopper are in an inclined state with a certain angle, so that articles can slide in conveniently. Through this setting, guarantee the smoothness nature of pan feeding, need not the manual work and carry out the blowing, can effectively improve the pan feeding security, stop artifical blowing and lead to pressfitting in the packagine machine or heat seal mechanism to press the phenomenon of staff and scald people's hand, and this pan feeding mode can reach full-automatic production with packagine machine, in the production of being convenient for blend into whole line equipment, effectively improves production efficiency, and improves degree of automation.

The third cylinder is a shaking cylinder and has a shaking function. The article gets into in the PE bag through first hopper and second hopper, because article shape is square, easily hangs on the hopper, through the setting of third cylinder, before carrying out the article and advancing the bag, starts the third cylinder, through pulling second hopper for the second hopper shakes, lets block the material inflow PE bag, effectively avoids article to be hung on the second hopper, improves into bag smoothness nature.

Further, the second fixing body comprises a fourth fixing block, and the fourth fixing block is fixedly connected with the third fixing block; the lower end of the fifth fixed block is connected with the upper end of the fourth fixed block, and the upper end of the fifth fixed block is fixedly connected with the first hopper; the fifth fixed block comprises a first block body and a positioning hole, and the positioning hole is arranged at the joint of the first block body and the fourth fixed block. Wherein, the positioning hole is an arc positioning hole. The fourth fixed block and the fifth fixed block are locked through screws, the inclination angle of the first hopper can be adjusted through adjusting the fixed position of the screw in the positioning hole, the conveyor belt for conveying objects is convenient to butt against, and meanwhile, the smooth guiding performance is improved for adapting to different feeding forms.

Further, the second fixing body further comprises a supporting piece; the supporting piece comprises a positioning block, the positioning block is connected to one side of the fourth fixed block, and the connecting rod is connected between the positioning blocks; and the supporting plate penetrates through the connecting rod and is symmetrically arranged by taking the middle part of the connecting rod as a center. By this arrangement the support is used to support the back of the second hopper, wherein the back is the side of the second hopper remote from the articles. Through this setting, the backup pad pastes in the back of second hopper to can effectively increase the holding power of second hopper, guarantee the durability of second hopper.

Further, the device also comprises an air blowing component; the air blowing component comprises a third fixed body and an air blowing nozzle, the third fixed body is connected with the shell, the air blowing nozzle is connected with the third fixed body, and the air blowing nozzle is arranged above the bag outlet roller. Through this setting, PE bag is sent out by going out the bag cylinder back, and the sack open position reaches the settlement position, and the bag body has been opened simultaneously and has been moved the bag body and is gone into out bag cylinder department, and before adopting the bag body to insert the bag, top blowing mouth begins to blow open the sack, forms half open state, and the rethread both sides bag body will insert the pocket piece in the sack, and the bag body is opened the bag body and is pulled both sides pocket body outside and remove afterwards, outwards pulls open through the pocket piece, expandes the sack from half open state to full open state. The bag opening success rate is effectively improved, and the bag opening quality is ensured. Wherein, the air source of the blowing nozzle is realized by adopting the existing air pump.

In summary, the present utility model has at least the following advantages: through the setting of opening the bag part, the problem that the PE bag mouth is unopened or the open position is deviated and leads to being difficult to pack into article is solved, the full open state of PE bag mouth is realized, the accuracy of opening the bag is improved, the quality of opening the bag is ensured, the loading of articles is more convenient and quick, and the smoothness of opening the bag and bagging the articles is ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of an embodiment 1 of the present utility model;

FIG. 2 is a schematic view showing the structure of a bag opening part in embodiment 1 of the present utility model;

FIG. 3 is a schematic structural diagram of embodiment 2 of the present utility model;

FIG. 4 is a schematic view of the feeding unit in embodiment 2 of the present utility model;

FIG. 5 is a schematic structural diagram of embodiment 3 of the present utility model;

FIG. 6 is a schematic view of a feeding unit according to embodiment 3 of the present utility model;

FIG. 7 is a schematic view of another view angle of the feeding unit according to embodiment 3 of the present utility model;

FIG. 8 is a schematic view of the structure of embodiment 4 of the present utility model;

Fig. 9 is an enlarged schematic view of the blowing member in embodiment 4 of the present utility model.

The marks in the figure: 1. a housing; 2. a bag discharging roller; 3. the bag opening part 31, a first fixing body _,, a first fixing block _,, a second fixing block _,, a third fixing block 32, a bag opening body _,, a first guide rail _, 322, a first air cylinder _, 323, a second guide rail _, 324, a moving block 325, a limiting block 33, a bag inserting body _, 331, a second air cylinder _, 332 and a bag inserting sheet; 4. the feeding part _,, the second fixed body _, 411, the fourth fixed block _,, the fifth fixed block _, 4121, the positioning hole _, 413, the support _, 4131, the positioning block _, 4132, the connecting rod _, 4133, the support plate, 42, the third cylinder _, 43, the first hopper _,, the second hopper, 5, the air blowing part _,, the third fixed body _,, and the air blowing nozzle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The described embodiments are some, but not all, embodiments of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-2, the packaging machine with automatic bag opening function of the present utility model comprises a machine shell 1; the bag discharging roller 2 is connected with the shell 1; the bag opening part 3 is connected to one side of the shell 1 and is arranged beside the bag discharging roller 2; the bag opening part 3 comprises a first fixing body 31, and the first fixing body 31 is connected with the shell 1; the bag opening bodies 32, wherein the bag opening bodies 32 are respectively arranged at two sides of the first fixed body 31; and a bag body 33, the bag body 33 being connected to the bag opening body 32. Wherein, the bag discharging roller 2 is used for conveying PE bags which are labeled but have unopened bag openings.

In the utility model, the bag opening operation is as follows: when the PE bag is not delivered by the bag delivering roller 2, the bag opening body 32 moves the bag inserting body 33 to the bag delivering position of the bag delivering roller 2, after the bag delivering roller 2 delivers bags, the bag inserting body 33 moves towards the opening direction of the PE bag until a certain depth of the PE bag mouth is inserted, and then the bag opening body 32 moves away from the bag delivering roller 2 to pull the PE bag, and the bag mouth is unfolded to be in a full-open state through the bag inserting body 33. Through this setting, realize PE sack full open state, improve the bag precision of opening, guarantee to open bag quality, load article more convenient and fast, guarantee the smoothness of opening bag and article bagging-off, avoid article bagging-off in-process to fall down the phenomenon, improve the security of bagging-off operation.

Further, the bag opening body 32 includes a first guide rail 321, and the first guide rail 321 is connected to the first fixing body 31; the first air cylinder 322, the first air cylinder 322 is movably connected to the first guide rail 321; the second guide rail 323, the second guide rail 323 is connected to the first fixed body 31, and is disposed above the first guide rail 321; and a moving block 324, wherein the moving block 324 is fixedly connected to the first air cylinder 322, the moving block 324 is slidably connected to the second guide rail 323, and the moving block 324 is connected to the bag inserting body 33. Wherein, the first air cylinder 322 moves back and forth for opening the bag; the front and the back are based on the bag discharging roller 2, namely the movement towards the direction close to the bag discharging roller 2 is the back, and the movement towards the direction far away from the bag discharging roller 2 is the front. The bag opening body 32 further includes a limiting block 325, where the limiting block 325 is disposed between the first guide rail 321 and the second guide rail 323 and is fixedly connected to one side of the first fixing body 31, so as to block the shifting block, prevent the shifting block from excessively moving, and ensure moving safety.

Through the setting of opening the bag body 32, its specific work flow of opening the bag is: before opening the bag, the first air cylinder 322 is located on the second guide rail 323 at a position close to the bag outlet roller 2, when the inserting bag body 33 is inserted into the bag opening, the bag opening operation is required, namely, the second air cylinder 331 is started, so that the second air cylinder 331 slides on the second guide rail 323 in a direction away from the bag outlet roller 2, and the inserting bag body 33 is driven to open the bag opening forwards. Ensure the smoothness of the bag opening operation, have simple action and improve the bag opening easiness. Wherein, the first fixing body 31 can effectively ensure the stability of the bag opening operation and the bag opening quality.

Further, the bag body 33 includes a second air cylinder 331 and a bag sheet 332; the second air cylinder 331 is connected to the moving block 324, and the bag inserting sheet 332 is movably connected to the lower end of the second air cylinder 331. The second cylinder 331 is an up-down moving cylinder and is used for inserting bags. Through this setting, the specific operation of slash pocket does: when the bag outlet roller 2 conveys the PE bag opening to the lower end of the bag inserting sheet 332, the second air cylinder 331 is started, so that the bag inserting sheet 332 is driven to be inserted into the PE bag opening, and the bag inserting operation is completed. The operation provides a bag opening operation point for subsequent bag opening operation, greatly improves the success rate of bag opening, has compact and simple structure, and is convenient for subsequent maintenance of the device.

Further, the first fixing body 31 includes a first fixing block 311 and a second fixing block 312, and the first fixing block 311 and the second fixing block 312 are symmetrically disposed and connected to the casing 1, respectively. Through this setting, guarantee that the both sides of PE sack carry out the operation of opening the bag steadily simultaneously, and for first fixed block 311 and second fixed block 312 provide the scope that can reciprocate for first cylinder 322, effectively guarantee the completeness of opening the bag.

Example 2

This embodiment differs from embodiment 1 in that: referring to fig. 3-4, further, the first fixing body 31 further includes a third fixing block 313, one end of the third fixing block 313 is connected to the first fixing block 311, and the other end of the third fixing block 313 is connected to the second fixing block 312. The device also comprises a feeding part 4; the feeding part 4 is connected to the third fixed block 313. Through this setting, third fixed block 313 is connected with pan feeding part 4, guarantees the feasibility of pan feeding position, improves pan feeding accuracy, and through the setting of third fixed block 313, guarantees the stability firm of pan feeding process, improves the reliability.

Further, the feeding part 4 includes a second fixing body 41, where the second fixing body 41 is symmetrically arranged with the center of the third fixing block 313 and is connected to the third fixing block 313; the third air cylinder 42, the third air cylinder 42 is set up between the second fixed bodies 41, and connect to the middle position of the third fixed block 313; a first hopper 43, the first hopper 43 being connected to the second fixed body 41; the second hopper 44, the second hopper 44 is connected to the third cylinder 42, and is disposed below the first hopper 43.

Wherein the first hopper 43 is used for being connected with material feeding equipment, and ensures that articles enter the second hopper 44 through the first hopper 43. The second hopper 44 is used to flow articles into the package. The first hopper 43 and the second hopper 44 are inclined at a certain angle, so that the sliding in of the articles is facilitated. Through this setting, guarantee the smoothness nature of pan feeding, need not the manual work and carry out the blowing, can effectively improve the pan feeding security, stop artifical blowing and lead to pressfitting in the packagine machine or heat seal mechanism to press the phenomenon of staff and scald people's hand, and this pan feeding mode can reach full-automatic production with packagine machine, in the production of being convenient for blend into whole line equipment, effectively improves production efficiency, and improves degree of automation.

The third cylinder 42 is a shaking cylinder, and has a shaking function. The article gets into the PE bag through first hopper 43 and second hopper 44 in, because the article shape is square, easily hangs on the hopper, through the setting of third cylinder 42, before carrying out the article and advancing the bag, starts third cylinder 42 for second hopper 44 shakes through pulling second hopper 44, lets block the material inflow PE bag, effectively avoids article to be hung on second hopper 44, improves into bag smoothness nature.

Further, the second fixing body 41 includes a fourth fixing block 411, and the fourth fixing block 411 is fixedly connected with the third fixing block 313; the lower end of the fifth fixed block 412 is connected with the upper end of the fourth fixed block 411, and the upper end of the fifth fixed block 412 is fixedly connected with the first hopper 43; the fifth fixing block 412 includes a first block body and a positioning hole 4121, and the positioning hole 4121 is disposed at the connection portion between the first block body and the fourth fixing block 411. The positioning hole 4121 is a circular arc positioning hole 4121. The fourth fixing block 411 and the fifth fixing block 412 are locked by screws, and the inclination angle of the first hopper 43 can be adjusted at the fixing position of the positioning hole 4121 by adjusting screws, so that the first hopper is convenient to be in butt joint with a conveying belt for conveying objects, and meanwhile, the smoothness of introduction is improved in order to adapt to the forms of different materials.

Example 3

This embodiment differs from embodiment 2 in that: referring to fig. 5 to 7, the second fixing body 41 further includes a support 413; the support 413 includes a positioning block 4131, the positioning block 4131 is connected to one side of the fourth fixing block 411, and a connecting rod 4132, and the connecting rod 4132 is connected between the positioning blocks 4131; and a support plate 4133, wherein the support plate 4133 is penetrated through the connecting rod 4132 and symmetrically arranged with the middle part of the connecting rod 4132 as the center. With this arrangement, the support 413 is used to support the back of the second hopper 44, where the back is the side of the second hopper 44 that is remote from the articles. By this arrangement, the support plate 4133 is attached to the back surface of the second hopper 44, so that the supporting force of the second hopper 44 can be effectively increased, and the durability of the second hopper 44 can be ensured.

Example 4

This embodiment differs from embodiment 3 in that: referring to fig. 8-9, the air blowing device 5 is further included; the air blowing part 5 comprises a third fixed body 51 and an air blowing nozzle 52, the third fixed body 51 is connected with the machine shell 1, the air blowing nozzle 52 is connected with the third fixed body 51, and the air blowing nozzle 52 is arranged above the bag discharging roller 2. With this arrangement, after the PE bag is sent out by the bag-out roller 2, the bag opening position reaches the set position, and at the same time, the bag opening body 32 has moved the bag body 33 to the bag-out roller 2, and before the bag is inserted by the bag body 33, the top blowing nozzle 52 starts to blow the bag opening to form a half-open state, then the bag inserting pieces 332 are inserted into the bag through the two side bag inserting bodies 33, and then the bag opening body 32 pulls the two side bag inserting bodies 33 to move outward, and then the bag is unfolded from the half-open state to the full-open state by pulling the bag inserting pieces 332 outward. The bag opening success rate is effectively improved, and the bag opening quality is ensured. Wherein the air source of the air blowing nozzle 52 is realized by adopting the existing air pump.

In summary, the present utility model has at least the following advantages: through the setting of opening the bag part, the problem that the PE bag mouth is unopened or the open position is deviated and leads to being difficult to pack into article is solved, the full open state of PE bag mouth is realized, the accuracy of opening the bag is improved, the quality of opening the bag is ensured, the loading of articles is more convenient and quick, and the smoothness of opening the bag and bagging the articles is ensured.

In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

While the utility model has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the spirit and scope of the following claims.

Claims (10)

1. A packaging machine with automatic bag opening function, characterized by comprising:

A housing;

The bag discharging roller is connected with the shell; and

The bag opening component is connected to one side of the shell and is arranged beside the bag discharging roller;

The bag opening part comprises:

the first fixing body is connected with the shell;

The bag opening bodies are respectively arranged at two sides of the first fixing body; and

The inserting bag body is connected to the opening bag body.

2. The packaging machine with automatic bag opening function according to claim 1, wherein the bag opening body comprises:

The first guide rail is connected to the first fixed body;

the first air cylinder is movably connected to the first guide rail;

the second guide rail is connected with the first fixed body and is arranged above the first guide rail; and

The movable block is fixedly connected to the first air cylinder, and is connected to the second guide rail in a sliding manner, and the movable block is connected with the inserting bag body.

3. The packaging machine with automatic bag opening function according to claim 2, wherein the bag inserting body comprises a second cylinder and a bag inserting sheet; the second cylinder is connected with the movable block, and the inserting bag sheet is movably connected to the lower end of the second cylinder up and down.

4. The packaging machine with automatic bag opening function according to claim 1, wherein the first fixing body comprises a first fixing block and a second fixing block, and the first fixing block and the second fixing block are symmetrically arranged and are respectively connected with the machine shell.

5. The packaging machine with automatic bag opening function according to claim 4, wherein the first fixing body further comprises a third fixing block, one end of the third fixing block is connected with the first fixing block, and the other end of the third fixing block is connected with the second fixing block.

6. The packaging machine with automatic bag opening function according to claim 5, further comprising a feeding part; the feeding part is connected to the third fixed block.

7. The packaging machine with automatic bag opening function according to claim 6, wherein the feeding part comprises:

The second fixing body is arranged in a central symmetry mode with the third fixing block and is connected to the third fixing block;

The third air cylinder is arranged between the second fixing bodies and is connected to the middle position of the third fixing block;

the first hopper is connected with the second fixed body;

The second hopper is connected with the third cylinder and arranged below the first hopper.

8. The packaging machine with automatic bag opening function according to claim 7, wherein the second fixing body comprises:

The fourth fixed block is fixedly connected with the third fixed block; and

The lower end of the fifth fixed block is connected with the upper end of the fourth fixed block, and the upper end of the fifth fixed block is fixedly connected with the first hopper;

The fifth fixed block comprises a first block body and a positioning hole, and the positioning hole is arranged at the joint of the first block body and the fourth fixed block.

9. The packaging machine with automatic bag opening function according to claim 8, wherein the second fixed body further comprises a support; the support includes: the positioning block is connected to one side of the fourth fixed block, and the connecting rod is connected between the positioning blocks; and

The supporting plate penetrates through the connecting rod and is symmetrically arranged by taking the middle of the connecting rod as a center.

10. A packaging machine with automatic bag opening function according to claim 1, further comprising an air blowing member; the air blowing component comprises a third fixed body and an air blowing nozzle, the third fixed body is connected with the shell, the air blowing nozzle is connected with the third fixed body, and the air blowing nozzle is arranged above the bag outlet roller.