CN219339865U - Bag making and packaging machine - Google Patents

Abstract

The utility model relates to a bag making and packaging machine, wherein a film with a self-sealing strip can be made and fed out for packing materials by arranging a rolling mechanism, a film feeding mechanism, a self-sealing strip separating device, a bag pressing body side device, a traction device, a bag sealing and cutting body side device, a bag placing platform, a picking and placing device, a bag opening device and a bag feeding moving frame in a matching way, the self-sealing strip corresponding to the edge of a bag body is pressed and sealed after being cut, the bag body is manufactured more smoothly, the bag opening of the bag body can be smoothly sucked and cut after the self-sealing strip at other positions of the bag body is cut, and the problem that the bag opening is difficult to open by the self-sealing strip is avoided.

Description

Bag making and packaging machine

Technical Field

The utility model relates to a bag making and packaging machine.

Background

The packaging machine has more structural types, and can be used for bagging and packaging such as a cotton swab and the like, and sealing by using a sealing device (a mature technology, such as a continuous sealing machine and the like) after articles are filled into a bag body. The film is manufactured by a film blowing machine, the film with a self-sealing strip (such as a keel self-sealing strip) can be adopted, the packaged packaging bag can be sealed by the self-sealing strip after being disassembled, and the film with the self-sealing strip is more practical, and is very important to bag making and matching for bagging packaging.

Disclosure of Invention

In view of the technical problems existing in the background art, the technical problems solved by the utility model aim to provide a bag making and packaging machine which makes bags from a film with a seal and is matched with the films for packaging.

In order to solve the technical problems, the utility model adopts the following technical scheme: bag making and packaging machine, including unreeling mechanism, film feeding mechanism, from sealing strip separator, press bag body side device, draw gear, seal and cut bag body side device, put the bag platform, get and put device, opening the bagging apparatus, prop the bagging apparatus and for the bag removal frame, its characterized in that: the film feeding mechanism is connected behind the unreeling mechanism, the unreeling mechanism comprises an unreeling shaft, and the film feeding mechanism comprises a fixed roller; the self-sealing strip separating device is connected behind the film feeding mechanism and comprises a bag opening insert; the side edge device of the bag pressing body is connected behind the self-sealing strip separating device and comprises a pressing piece; the traction device is connected behind the bag pressing body side device and comprises a traction roller; the side edge device of the sealing and cutting bag body is connected behind the traction device and comprises a sealing and cutting knife; the bag placing platform is connected behind the side edge device of the sealing and cutting bag body; the picking and placing device is connected behind the side edge device of the sealing and cutting bag body and comprises a picking and placing piece; the bag opening device comprises an upper suction piece and a lower suction piece which are used for being matched with the opening of the bag body on the bag placing platform; the bag opening device comprises a left bag opening piece and a right bag opening piece which are used for being matched with a bag body which is opened by the bag opening device to open; the bag supporting device is arranged on the bag feeding moving frame.

The following various optimization or supplementary explanation can be performed on the above technical solutions, respectively.

For example, the unreeling shaft is provided with an unreeling motor, and the film feeding mechanism further comprises a floating roller and a floating position sensor, wherein the floating position sensor is connected with the unreeling motor.

For example, the film feeding mechanism further comprises a limiting device which comprises a limiting side check ring and/or a limiting pressing wheel, wherein the limiting side check ring is arranged at two ends of the fixed roller, the limiting pressing wheel is pressed on the fixed roller, and the limiting pressing wheel is provided with a self-sealing strip limiting groove.

And a bag punching device and/or a color code sensor can be additionally arranged between the traction device and the film feeding mechanism.

In addition, a film feeding platform can be arranged below the self-sealing strip separating device and the bag pressing body side edge device, and the pressing piece is arranged in a lifting manner.

For example, the sealing cutter is arranged in a lifting manner, a heating part is arranged on the sealing cutter, and a lower cutter or a roller provided with a heat-resistant layer is arranged below the sealing cutter. It can be optimized again that the sealing cutter is also provided with a pressing plate with a spring.

Wherein, the output port of the sealing and cutting bag side device is also provided with a lifting and pressing bag plate and a suction bag pulling-out suction nozzle. For example, the lifting and lowering bag plate is positioned above the suction nozzle from which the suction bag is pulled out and is connected with the sealing cutter or the pressing plate.

Wherein, the direction of advance of giving the bag movable frame can be furnished with bag body conveyer belt and bagging-off station, and the direction of delivery along bag body conveyer belt is furnished with the sealing station, and the sealing station is furnished with closing device, cooperates to carry out bagging-off and seal. It can be optimized that the sealing device further comprises a self-sealing strip component.

For example, the left side and the right side of the bag placing platform are respectively provided with a bag sealing and cutting body side device, the bag making is relatively slow, the left bag making and the right bag making are combined, and the efficiency is higher. The film feeding mechanism also comprises a film folding plate or a film folding roller.

For example, pocket inserts employ insert panels; the picking and placing piece adopts a lifting suction nozzle, and the picking and placing piece is arranged in a left-right moving way; the upper suction piece and the lower suction piece are respectively provided with a bag opening suction nozzle, the upper suction piece is arranged in a lifting manner, and the lower suction piece is positioned below the upper suction piece; the left bag opening part and the right bag opening part are respectively provided with a supporting rod, at least one of the left bag opening part and the right bag opening part is arranged on the bag feeding moving frame in a left-right moving way, and the bag feeding moving frame is arranged in a back-and-forth moving way.

The bag making and packaging machine has the beneficial effects that the film with the self-sealing strip can be used for making bags and supplying out the films for filling materials into the packages, the self-sealing strip corresponding to the edge of the bag body is pressed and sealed after being cut in the bag making process, the bag body is made more smoothly, the bag opening of the bag body can be smoothly sucked and opened after the self-sealing strip at other positions of the bag body is cut, the problem that the bag opening is difficult to open due to the self-sealing strip is avoided, and the bag making and supplying out of the bag with the novel structure layout is provided for filling materials into the packages. Aiming at the background technology, the film with the self-sealing strip is used for making bags and matched with the bags for packing, and the stability and the efficiency are relatively high. Thus, the present utility model is a substantial feature and improvement over the prior art.

Drawings

The details and working principles of the embodiments and examples of the present utility model are described below with reference to the drawings.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an enlarged view of a in fig. 1.

Fig. 3 is an enlarged view of B in fig. 1.

Fig. 4 is a schematic view of another angle of fig. 1.

Fig. 5 is an enlarged view of C in fig. 4.

Fig. 6 is a schematic view of the structure of fig. 4 at another angle.

In the figure: 1. an unreeling mechanism; 2. a film feeding mechanism; 3. a self-sealing strip separating device; 4. a side edge device of the bag pressing body; 5. a traction device; 6. sealing and cutting the side edge of the bag body; 7. a bag placing platform; 8. a pick-and-place device; 9. a bag opening device; 10. a bag opening device; 11. a bag feeding moving frame; 12. a reel is unreeled; 13. a fixed roller; 14. a pocket insert; 15. a pressurizing member; 16. a traction roller; 17. sealing the cutter; 18. taking and placing a piece; 19. an upper suction member; 20. a downdraft member; 21. a left-hand bag opening part; 22. a right-hand bag opening part; 24. unreeling the motor; 25. a floating roller; 27. limiting pinch rollers; 28. a bag body punching device; 30. a film feeding platform; 31. a roller; 32. pressing the plate; 33. lifting and lowering the pressure bag plate; 34. the suction bag is pulled out of the suction nozzle; 35. a bag body conveying belt; 36. a sealing device; 37. pressing the self-sealing tape part.

Detailed Description

The technical solutions in 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; it is apparent that the described embodiments are only some, but not all, embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making inventive efforts are within the scope of this utility model.

Referring to the drawings, in the bag making and packaging machine in the example of the embodiment, the bag is made by using the self-sealing strip film, and the made bag output can be matched with the package, so that materials (such as cotton swabs and the like) can be filled into the package. The bag making and packaging machine comprises an unreeling mechanism 1, a film feeding mechanism 2, a self-sealing strip separating device 3, a bag pressing body side device 4, a traction device 5, a bag sealing and cutting body side device 6, a bag releasing platform 7, a picking and placing device 8, a bag opening device 9, a bag opening device 10 and a bag feeding moving frame 11, and the bag opening and closing mechanisms are connected and matched (connected and matched for film output and film input) to realize procedure arrangement.

The film feeding mechanism 2 is connected behind the unreeling mechanism 1, namely, the procedure of the film feeding mechanism 2 is located behind the unreeling mechanism 1, and the film is connected into the film feeding mechanism 2 for feeding after unreeling by the unreeling mechanism 1. In this embodiment, the film material has relatively higher efficiency for the film with the self-sealing strip after being pre-folded (such as folded and folded), and of course, the film material without pre-folded can also be adopted, and the film folding plate or the film folding roller can be additionally arranged in the film feeding mechanism 2 for folding.

The unreeling mechanism 1 comprises an unreeling shaft 12, and the film is unreeled on the unreeling shaft 12 for rotary unreeling output. The film feeding mechanism 2 comprises a fixed roller 13, the film unreeled and output is connected with the film feeding mechanism 2, and the film feeding mechanism can rotate through the fixed roller 13 to feed and guide the film.

Wherein, from strip separator 3 links up behind film mechanism 2, and the film comes out from film mechanism 2 and gets into from strip separator 3, is separated from the strip on the film by from strip separator 3 to follow-up smooth opening bag. The self-sealing strip separating device 3 comprises a pocket insert 14, and the pocket insert 14 is matched to perform self-sealing strip separation; after the spout insert 14 is inserted into the pouch, the spout insert 14 will be forced apart (scored) from the seal as the film is pulled forward.

The bag pressing side device 4 is connected to the self-sealing strip separating device 3, and after the self-sealing strip of the bag is separated, the self-sealing strip at the side position of the bag is pressed by the bag pressing side device 4 in a matched mode, so that the self-sealing strip at the side position of the corresponding bag can be sealed again, the sealed self-sealing strip can be sealed and cut smoothly when the bag is sealed and cut, and otherwise, the bag cannot be molded smoothly due to poor sealing and cutting easily. The side edge device 4 of the bag body comprises a pressing piece 15, the pressing piece 15 is matched with the pressing piece 15 to press, and the pressing piece 15 can be clamped or rolled.

Wherein, the traction device 5 is connected behind the bag pressing body side device 4, and the traction device 5 is used for traction of the film and is matched with traction and advancing of the film output from the unreeling mechanism 1. The drawing device 5 comprises a drawing roller 16, the drawing roller 16 is matched with drawing, the drawing roller 16 is also provided with a pressing roller 40 for clamping the film for drawing, and the drawing roller 16 is driven to rotate by a motor.

The side edge device 6 of the sealing and cutting bag body is connected behind the traction device 5, the traction device 5 traction and advances the film to feed the film into the side edge device 6 of the sealing and cutting bag body, and the side edge device 6 of the sealing and cutting bag body seals and cuts the side edge of the bag body. The sealing and cutting bag side edge device 6 comprises a sealing and cutting knife 17, the efficiency of the sealing and cutting knife 17 is higher, sealing and cutting of the bag side edge are realized, and the folding edges of the films are combined to form an independent bag body.

Wherein, after the bag placing platform 7 is connected with the sealing and cutting bag body side device 6, the bag placing platform 7 is used for placing the bag body 41, and the bag placing platform 7 can adopt a bag supporting component (such as a supporting plate and the like) for placing the bag body. The taking and placing device 8 is connected to the side edge device 6 of the sealed and cut bag body, and the taking and placing device 8 is matched with the sealed and cut independent bag body to take and place on the bag placing platform 7; the picking and placing device 8 comprises a picking and placing piece 18, and the picking and placing piece 18 is matched with the bag body to be picked and placed on the bag placing platform 7. The pick-and-place member 18 can place a plurality of bag bodies 41 one by one on the bag placing platform 7.

The bag opening device 9 comprises an upper suction piece 19 and a lower suction piece 20, wherein the upper suction piece 19 and the lower suction piece 20 are used for being matched with each other to open a bag mouth of a bag body 41 on the bag placing platform 7, and the upper suction piece 19 and the lower suction piece 20 are used for sucking the upper side and the lower side of the bag body to be separated and matched with each other to open the bag body.

Wherein, the bag opening device 10 comprises a left bag opening piece 21 and a right bag opening piece 22, the left bag opening piece 21 and the right bag opening piece 22 are used for being matched to open the bag opening of the bag body 41 (the bag opening is opened by the bag opening device 9), and the bag body 41 can be supported while the bag opening is opened, so that the opened bag body can move back and forth along with the bag opening device and the bag feeding moving frame 11. Wherein the bag opening device 10 is arranged on the bag feeding moving frame 11. The bag moving frame 11 can be advanced to provide the opened bag body (the bag opening is opened), so that materials (such as cotton swabs) can be filled into the bag body for packaging, and the bag making and the matching for packaging are realized.

In the operation process, the film is unreeled and output by the unreeling mechanism 1, the film passes through the film feeding mechanism 2, the self sealing strip is separated by the self sealing strip separating device 3, the self sealing strip corresponding to the side position of the bag body is pressed and sealed by the bag pressing body side device 4, the film is conveyed to the bag sealing and cutting body side device 6 by the traction device 5 in a matched mode, the film is sealed and cut to form individual bag bodies to be output by the bag sealing and cutting body side device 6 in a matched mode, the bag bodies are placed on the bag releasing platform 7 by the taking and placing device 8 in a matched mode, the bag opening of the bag bodies above is opened by the bag opening device 9 in a matched mode on the bag releasing platform 7, the bag opening is opened by the bag opening device 10 in a matched mode, the bag opening device 10 supports the bag bodies, the bag bodies advance along with the bag feeding moving frame 11, and materials (such as cotton swabs) can be packaged in the bag bodies, and bag making and matched use for packaging are achieved.

The bag making and packaging machine can make bags from films with self-sealing strips and supply out the films for filling materials into the bags, the self-sealing strips corresponding to the edges of the bag bodies are pressed and sealed after being cut off in the bag making process, the bag body is made more smoothly, the bag openings of the bag bodies can be smoothly sucked and opened after the self-sealing strips at other positions of the bag bodies are cut off, the problem that the bag openings are difficult to open due to the self-sealing strips is avoided, and the bag making and packaging machine with novel structural layout is provided for filling matched materials into the bags.

The following optimizations or further description can be made on the basis of the above embodiments, respectively.

For example, the unreeling shaft 12 is provided with an unreeling motor 24, and the unreeling shaft 12 is driven by the unreeling motor 24 to rotate for actively supplying film output, and the film is conveyed by the traction device 5. The film feeding mechanism 2 further comprises a floating roller 25 and a floating position sensor (such as a photoelectric or proximity switch, etc.), wherein the floating position sensor is connected with the unreeling motor 24 (electrically connected and finally transmits signals to the unreeling motor 24), and the corresponding floating position sensor can be arranged at a floating stop position of the floating roller 25; during the floating process of the floating roller 25, if the film output by the unreeling shaft 12 is excessive, the floating roller 25 stores the film to a set position (such as lowering to a position, configuring a floating position sensor), the floating position sensor receives a position signal of the floating roller 25 and feeds back the signal to the unreeling motor 24 (which can be matched with a PLC or other controller), and the unreeling motor 24 stops or reduces the output quantity of the film of the unreeling shaft 12; if the film is too little, the dancer 25 will float back to the set position (e.g., raise to the position, configure the dancer sensor), the dancer 25 position signal is received by the dancer sensor and fed back to the unwind motor 24 (which may be a PLC or other controller, for example), and the unwind motor 24 starts or increases the film output of the unwind shaft 12. The floating roller 25 floats up and down in the drawing, but it is needless to say that it may also swing or float straight back and forth in other directions.

Wherein, the film feeding mechanism 2 also comprises a limiting device, and the limiting device can avoid the deflection and skew of the film in the film feeding process. The limiting device comprises limiting side check rings and/or limiting pinch rollers 27, wherein the limiting side check rings are arranged at two ends of the fixed roller 13 and can be limited at two sides of the film; the limiting pinch roller 27 is arranged on the fixed roller 13 in a pressing mode, and the limiting pinch roller 27 is provided with a self-sealing strip limiting groove, so that the self-sealing strip can be limited, and the deviation can be avoided.

A bag punching device 28 and/or a color code sensor are/is also arranged between the traction device 5 and the film feeding mechanism 2. The bag body punching device 28 comprises a punching die (comprising a punching cutter), and the bag body can be smoothly exhausted after punching. The color scale sensor can be used for counting and the like.

In addition, a film feeding platform 30 (such as a flat plate) is arranged below the self-sealing strip separating device 3 and the bag pressing body side device 4, and the film feeding platform 30 can support the film, so that the film is pulled and pressed more smoothly, and the pressing piece 15 is driven to move in a lifting manner (a motor or a cylinder can be matched).

The sealing cutter 17 is lifted (can be driven by a power distribution machine or an air cylinder and the like to lift), a heating component (such as an electric heating wire or an electric heating tube and the like can be arranged on the sealing cutter 17 in an internal or external installation manner) is arranged on the sealing cutter 17, so that the sealing cutter 17 has a heat sealing effect, meanwhile, the heat cutter can cut off or scald a film, the sealed bag bodies at the side edges are separated, a lower cutter or a roller 31 provided with a heat-resistant layer (such as high-temperature ironing cloth) is arranged below the sealing cutter 17, the lower cutter or the roller 31 can be matched with the sealing cutter 17 above, and the roller 31 rolls to enable the heated cutting position to be changed in a rotating manner.

The sealing cutter 17 can be additionally provided with a pressing plate 32 with a spring, when the sealing cutter 17 descends, the pressing plate 32 can press the film along with the descending of the sealing cutter 17, and then the sealing cutter 17 continuously descends to shrink until the sealing cutter 17 is matched with the sealing cutter film; and after the completion, the lifting and returning are carried out. The pressing plate 32 presses the film and seals the film, so that the film is more stable and is prevented from shifting during sealing and cutting.

The bag body in the sealing and cutting bag body side device 6 can be directly taken out by the taking and placing piece 18; the output port of the sealing and cutting bag side device 6 can also be provided with a lifting and pressing bag plate 33 and a bag sucking and pulling-out suction nozzle 34, and the auxiliary bag taking and pulling-out device can suck and pull out the bag body in the sealing and cutting bag side device 6 (for taking and placing the piece 18 away), so that the bag body output is smoother, and the taking and placing piece 18 is also convenient to take away. The lifting and pressing bag plate 33 is located above the suction bag pulling-out suction nozzle 34, the lifting and pressing bag plate 33 can be lowered to press the bag body on the suction bag pulling-out suction nozzle 34 in a matched mode, so that the suction bag pulling-out suction nozzle 34 can smoothly suck the bag body without additional lifting action, the suction bag pulling-out suction nozzle 34 is matched to be pulled out and output, and a motor or an air cylinder and the like can be configured to drive the suction bag pulling-out suction nozzle 34 to move in a matched mode (left and right in the figure). The lifting and lowering bag plate 33 can be connected with the sealing cutter 17 or the pressing plate 32, and is directly driven to lift by the sealing cutter 17 or the pressing plate 32, and of course, power (an air cylinder or a motor, etc.) can be additionally configured to drive to lift.

The advancing direction of the bag feeding moving frame 11 is provided with a bag body conveying belt 35 and a bagging station, the conveying direction of the bag body conveying belt 35 is provided with a sealing station, after the bag supporting device 10 supports the bag body to be in place along with the advancing direction of the bag feeding moving frame 11, material bagging can be carried out at the bagging station (for example, cotton swabs are conveyed to be filled into the bag body by matching with a cotton swabs conveying device), the bag supporting device 10 can be used for placing the bag body on the bag body conveying belt 35, the bag body can be advanced to the sealing station along with the bag body conveying belt 35, the sealing station is provided with a sealing device 36 (for a mature technology, such as a sealing machine, a lifting type electric sealing cutter can be adopted or a continuous rolling type electric sealing wheel can be adopted), and the bag body can be sealed by the sealing device 36 at the sealing station. In addition, the sealing device 36 further comprises a self-sealing strip pressing component (such as a roller) capable of sealing the self-sealing strip in a matched manner during sealing, so that the self-sealing strip of the bag body packaged with the seal is in a sealing state. The bagging station and the sealing station are arranged along the conveying direction of the bag conveying belt 35.

In addition, can also adopt single station to supply the membrane to go out the bag structure or duplex position to supply the membrane to go out the bag structure, when duplex position, put the left and right sides of bag platform 7 and set up respectively and seal and cut bag body side device 6, put the left and right sides of bag platform 7 and have and supply the membrane to go out the bag structure.

In the drawing, the bag feeding moving frame 11 is provided to move forward and backward, and may be driven by a motor, an air cylinder, or the like, and the bag body conveyor 35 is conveyed rightward, and the pick-and-place member 18 is lifted and moved left and right (may be driven by a corresponding air cylinder or motor).

Wherein the pocket insert 14 may be a insert plate; the picking and placing piece 18 can adopt a lifting suction nozzle, and the picking and placing piece 18 is arranged in a left-right moving way; the upper suction piece 19 and the lower suction piece 20 can respectively adopt a bag opening suction nozzle, the upper suction piece 19 is arranged in a lifting way (can be matched with an air cylinder or a motor drive), and the lower suction piece 20 is positioned below the upper suction piece 19; the left and right support opening members 21 and 22 are respectively provided with support rods, and at least one of the left and right support opening members 21 and 22 is disposed on the bag feeding moving frame 11 in a left-right movement manner (can be configured with a corresponding motor or cylinder to drive the bag feeding moving frame 11 in a left-right movement manner).

Claims (10)

1. Bag making and packaging machine, including unreeling mechanism (1), film feeding mechanism (2), from sealing strip separator (3), press bag body side device (4), draw gear (5), seal and cut bag body side device (6), put bag platform (7), get put device (8), open bagging apparatus (9), prop bagging apparatus (10) and for bag removal frame (11), its characterized in that: the film feeding mechanism (2) is connected behind the unreeling mechanism (1), the unreeling mechanism (1) comprises an unreeling shaft (12), and the film feeding mechanism (2) comprises a fixed roller (13);

the self-sealing strip separating device (3) is connected behind the film feeding mechanism (2), and the self-sealing strip separating device (3) comprises a bag opening insert (14);

the bag pressing body side edge device (4) is connected behind the self-sealing strip separating device (3), and the bag pressing body side edge device (4) comprises a pressing piece (15);

the traction device (5) is connected behind the bag pressing body side edge device (4), and the traction device (5) comprises a traction roller (16);

the sealing and cutting bag side edge device (6) is connected behind the traction device (5), and the sealing and cutting bag side edge device (6) comprises a sealing and cutting knife (17);

the bag placing platform (7) is connected behind the bag sealing and cutting body side edge device (6);

the picking and placing device (8) is connected behind the sealing and cutting bag side edge device (6), and the picking and placing device (8) comprises a picking and placing piece (18);

the bag opening device (9) comprises an upper suction piece (19) and a lower suction piece (20) which are used for being matched with the opening of the bag body on the bag placing platform (7);

the bag opening device (10) comprises a left bag opening piece (21) and a right bag opening piece (22) which are used for being matched with a bag body which is opened by the bag opening device (9) to be opened; the bag supporting device (10) is arranged on the bag feeding moving frame (11).

2. A bag-making and packaging machine as defined in claim 1, wherein: the unreeling shaft (12) is provided with an unreeling motor (24), and the film feeding mechanism (2) further comprises a floating roller (25) and a floating position sensor, wherein the floating position sensor is connected with the unreeling motor (24).

3. A bag-making and packaging machine as defined in claim 1, wherein: the film feeding mechanism (2) further comprises a limiting device, the limiting device comprises limiting side check rings and/or limiting pinch rollers (27), the limiting side check rings are arranged at two ends of the fixed roller (13), the limiting pinch rollers (27) are pressed on the fixed roller (13), and the limiting pinch rollers (27) are provided with self-sealing strip limiting grooves.

4. A bag-making and packaging machine as defined in claim 1, wherein: a bag punching device (28) and/or a color code sensor are/is also arranged between the traction device (5) and the film feeding mechanism (2).

5. A bag-making and packaging machine as defined in claim 1, wherein: a film feeding platform (30) is arranged below the seal separating device (3) and the bag pressing body side edge device (4), and a pressing piece (15) is arranged in a lifting manner.

6. A bag-making and packaging machine as defined in claim 1, wherein: the sealing cutter (17) is arranged in a lifting manner, a heating part is arranged on the sealing cutter (17), and a lower cutter or a roller (31) provided with a heat-resistant layer is arranged below the sealing cutter (17);

the sealing knife (17) is also provided with a pressing plate (32) with a spring.

7. A bag-making and packaging machine as defined in claim 6, wherein: the outlet of the sealing and cutting bag side edge device (6) is also provided with a lifting and pressing bag plate (33) and a suction bag pulling-out suction nozzle (34);

the lifting and lowering bag plate (33) is positioned above the suction nozzle (34) for pulling out the suction bag, and the lifting and lowering bag plate (33) is connected with the sealing cutter (17) or the pressing plate (32).

8. A bag-making and packaging machine as defined in claim 1, wherein: the bag feeding moving frame (11) is provided with a bag body conveying belt (35) and a bag filling station along the conveying direction of the bag body conveying belt (35), the sealing station is provided with a sealing device (36), and the sealing device (36) further comprises a self-sealing strip pressing component.

9. A bag-making and packaging machine as defined in claim 1, wherein: the left side and the right side of the bag placing platform (7) are respectively provided with a bag body side sealing and cutting device (6);

the film feeding mechanism (2) also comprises a film folding plate or a film folding roller.

10. A bag-making and packaging machine as defined in claim 1, wherein: the pocket insert (14) adopts a plugboard; the picking and placing piece (18) adopts a lifting suction nozzle, and the picking and placing piece (18) is arranged in a left-right moving way; the upper suction piece (19) and the lower suction piece (20) are respectively provided with a bag opening suction nozzle, the upper suction piece (19) is arranged in a lifting way, and the lower suction piece (20) is positioned below the upper suction piece (19); the left bag opening piece (21) and the right bag opening piece (22) are respectively provided with supporting rods, at least one of the left bag opening piece (21) and the right bag opening piece (22) is arranged on the bag feeding moving frame (11) in a left-right moving mode, and the bag feeding moving frame (11) is arranged in a back-and-forth moving mode.

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