CN105711905B - It is a kind of to carry the automatic packaging machine for wrapping up in wrap molding device - Google Patents

Abstract

The invention discloses an automatic packaging machine with a wrapping forming device, which includes a frame and a control system. A wrapping forming area is arranged on the frame along the length direction of the frame, and a carton placement area is arranged in the wrapping forming area. , the carton placement area is provided with a top folding mechanism, a front folding system and an end folding system in sequence along the conveying direction of the carton, and a side folding mechanism is arranged below the carton placement area, and both the front folding system and the end folding system include a side duck tongue folding mechanism 1. The top duck tongue folding mechanism and the bottom duck tongue folding mechanism, and the side folding mechanism includes several side folding units sequentially arranged along the length direction of the carton placement area. The present invention can sequentially realize the folding of the cardboard on the side of the carton, the folding of the top cardboard, the folding of the side duck tongue, the folding of the top duck tongue and the folding of the bottom duck tongue. Improved wrapping efficiency.

Description

An automatic packaging machine with a wrapping device

technical field

The invention belongs to the technical field of packaging equipment, in particular to an automatic packaging machine with a wrapping forming device.

Background technique

Carton packaging machinery refers to the machinery for complete packaging of products. The application of packaging machinery for product packaging can effectively improve productivity, reduce labor intensity, adapt to the needs of large-scale production, and meet the requirements of cleanliness and sanitation.

At present, the packaging equipment in the domestic market is generally aimed at small and medium-sized cartons, and domestic packaging machines generally have the problem of single function. A packaging machine can often only pack a small number of products; the degree of intelligence is low and the structure is complex; energy consumption It is high and has limited functions. In addition, there is a lack of related facilities. For example, the cartons transported by the material conveying device and the items contained in the cartons need to be wrapped and formed. After the wrapping is completed, the formed cartons need to be transported to the belt. Carton sealing is carried out in the sealing area. In the prior art, the realization of wrapping molding is mostly realized by manual operation. During the operation, the side folding, top folding, side duck tongue folding, top duck tongue folding and bottom surface folding of the carton need to be completed. In various processes such as duck tongue folding, manual wrapping reduces production efficiency, increases labor intensity, and increases labor costs and production costs.

This shows that the prior art needs to be further improved and improved.

Contents of the invention

In order to avoid the disadvantages of the above-mentioned prior art, the present invention provides an automatic packaging machine with a wrapping forming device.

The technical scheme adopted in the present invention is:

An automatic packaging machine with a wrapping forming device, including a frame and a control system, the frame is provided with a wrapping forming area along the length direction of the frame, a carton placing area is arranged in the wrapping forming area, and the carton placing area Along the conveying direction of the carton, a top folding mechanism, a front folding system and an end folding system are arranged in sequence. A side folding mechanism is arranged below the carton placement area. Both the front folding system and the end folding system include a side duck tongue folding mechanism, a top duck The tongue folding mechanism and the bottom duck tongue folding mechanism, the side folding mechanism includes several side folding units arranged in sequence along the length direction of the carton placement area.

Each of the side folding units includes two oppositely arranged side pressure plates and a side pressure plate positioning frame with a quadrilateral cross section. The opposite sides of the side pressure plates are respectively provided with single-rod cylinders, which are connected with the above-mentioned control system. The side pressure plate opposite to the single-rod cylinder is connected. When folding the side cardboard, each side pressure plate is turned upward by 90° from the initial flat state driven by the respective single-rod cylinder.

The distance between the two positioning brackets is adjustable.

A plurality of unpowered pressing rollers are respectively arranged on the opposite inner sides of the two side pressing plates, and the axial direction of each unpowered pressing roller is parallel to the height direction of the carton.

The top surface folding mechanism is arranged on the top of the carton, and the top surface folding mechanism includes two oppositely arranged top pressure plates, a top pressure plate mounting frame and a first double-rod cylinder arranged above the top pressure plate mounting frame, the first double-rod cylinder There is a first magnetic switch on the top, the first double-rod cylinder and the first magnetic switch are connected to the above-mentioned control system, the top pressure plate mounting frame is driven by the first double-rod cylinder to move up and down, and each top pressure plate is respectively set on the top pressure plate The lower part of the mounting frame is connected to the mounting frame of the top pressure plate. In the initial state, the angle between the two top pressure plates is 60°～90°. When pressing down, the two top pressure plates rotate to an angle of 180°. Folding of the top surface is achieved.

The top surface folding mechanism also includes a top pressure plate reset assembly, and the top pressure plate reset assembly has two groups, and the two groups of top pressure plate reset assemblies act on two top pressure plates respectively, and each top pressure plate reset assembly includes a linkage rod and a return spring, and the linkage rod One end of one end is connected with the top pressure plate, the other end is connected with the return spring, and the other end of the return spring is connected with the top pressure plate installation frame.

The side duck tongue folding mechanism includes a swing tail cylinder mounting frame arranged on the frame and two swing tail cylinders arranged on the swing tail cylinder mounting frame. The two swing tail cylinders are respectively located on both sides of the end of the carton. The rod end of the piston rod of the tail cylinder is connected with a set of four-bar linkages. In the initial state, the piston rod of the tail swing cylinder is stretched out. rod, the third connecting rod and the fourth connecting rod, wherein the first connecting rod is connected with the piston rod of the tail swing cylinder, and in the initial state, the ends of the fourth connecting rods of the two sets of four-bar linkage mechanisms respectively touch the two sides The side duck tongues of the cardboard, and the fourth connecting rod are parallel to the cardboard on the bottom surface of the carton, the piston rod of the swing tail cylinder retracts, driving the two fourth connecting rods to move in opposite directions, and the side duck tongues are folded.

The top duck tongue folding mechanism includes a lower pressing plate arranged above the end of the carton and a front flap rotatably connected to the lower pressing plate. In the initial state, the angle between the lower pressing plate and the front folding plate is 135°-180°. A second double-rod cylinder is arranged above the lower pressure plate, the piston rod of the second double-rod cylinder is connected to the top of the lower pressure plate, a second magnetic switch is arranged on the second double-rod cylinder, and two top cylinders are respectively arranged below the lower pressure plate. Two top folding cylinders are respectively located on both sides of the carton. The second double-rod cylinder, the second magnetic switch and the top folding cylinder are all connected to the above control system. The top folding cylinders The piston rod of the air cylinder is connected with the bottom surface of the front folding plate. In the initial state, the piston rods of each top duck tongue folding cylinder are in an extended state. When folding, the piston rods of the top duck tongue folding cylinder retract to drive the front folding The plate is turned downwards until the front flap is perpendicular to the lower pressing plate, and the top duck tongue is folded.

A linear optical axis is respectively arranged on both sides of the top end of the lower pressing plate.

The bottom duck tongue folding mechanism includes a bottom pressing plate, a bottom pressing plate positioning plate and a bottom duck tongue folding cylinder. The bottom pressing plate positioning plate is installed on the frame, and the bottom pressing plate positioning plate is located below the end of the carton. The bottom pressing plate and the bottom pressing plate positioning plate Rotational connection, the bottom duck tongue folding cylinder is installed on the positioning plate of the bottom pressure plate and the piston rod of the bottom duck tongue folding cylinder is connected with the bottom surface of the bottom pressure plate, and the bottom duck tongue folding cylinder is connected with the above control system. In the initial state, the bottom pressure plate and the carton The bottom surfaces of the cartons are parallel to each other. When folding, the bottom pressing plate is turned upwards under the drive of the bottom duck tongue folding cylinder until the bottom pressing plate is perpendicular to the bottom surface of the carton, and the bottom duck tongue is folded.

Owing to adopting above-mentioned technical scheme, the beneficial effect that the present invention obtains is:

1. By using the present invention, the folding of the cardboard on the side of the carton, the folding of the top cardboard, the folding of the side duck tongue, the folding of the top duck tongue and the folding of the bottom duck tongue can be realized sequentially. High, which improves the wrapping efficiency and reduces labor intensity.

2. The present invention selects various types of cylinders as the power source to realize folding of each end face of the carton, and the folding efficiency is high, and each cylinder has a buffer at the end of the stroke, which can effectively avoid the impact on the carton during the folding process, avoiding the carton and the carton. Items inside are crushed.

3. The present invention can realize the packaging of carton products with different specifications and sizes, and has wide adaptability and high reliability.

4. The present invention has reasonable structural layout, convenient installation and maintenance, and low manufacturing cost.

Description of drawings

Fig. 1 is a schematic diagram of the laying structure of the carton in the present invention.

Fig. 2 shows a schematic diagram of the relative positional relationship between the carton placement area and the side folding mechanism.

Fig. 3 shows a schematic diagram of the relative positional relationship among the side folding mechanism, the top folding mechanism, the side duck tongue folding mechanism, the top duck tongue folding mechanism and the bottom duck tongue folding mechanism.

Fig. 4 is a schematic structural diagram of the side folding unit in the present invention.

Fig. 5 is a schematic structural diagram of the top surface folding mechanism in the present invention.

Fig. 6 is a structural schematic diagram of the side duck tongue folding mechanism in the present invention.

Fig. 7 is a structural schematic diagram of the duck tongue folding mechanism on the top surface in the present invention.

Fig. 8 is a structural schematic diagram of the duck tongue folding mechanism on the bottom surface of the present invention.

in,

1. Carton placement area 101, non-powered transmission roller 2, side folding unit 21, side pressing plate positioning frame 22, side pressing plate 23, non-powered pressing roller 24, positioning bracket 25, single-rod cylinder 26, locking slider 3, Top surface folding mechanism 31, first double-rod cylinder 32, first magnetic switch 33, top pressure plate mounting frame 34, top pressure plate 35, return spring 36, linkage rod 4, side duck tongue folding mechanism 41, swing tail cylinder mounting frame 42 , tail swing cylinder 43, first connecting rod 44, second connecting rod 45, third connecting rod 46, fourth connecting rod 5, top duck tongue folding mechanism 51, second double-rod cylinder 52, second magnetic switch 53 , linear optical axis 54, lower pressing plate 55, front folding plate 56, top duck tongue folding cylinder 6, bottom duck tongue folding mechanism 61, bottom pressing plate 62, sponge pad 63, bottom duck tongue folding cylinder 64, bottom pressing plate positioning plate

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to these embodiments.

As shown in Figures 1 to 8, an automatic packaging machine with a wrapping forming device includes a frame and a control system. A wrapping forming area is arranged on the frame along the length direction of the frame. A carton placement area 1 is provided. The carton placement area 1 is provided with a number of unpowered transmission rollers 101 along its length direction. The transported cartons with packaged objects are laid flat on the carton placement area 1. It is necessary to complete side folding, Top folding, side duck tongue folding, top duck tongue folding and bottom duck tongue folding, this series of folding process needs to rely on the following structures:

On the carton placement area 1, a top folding mechanism 3, a front folding system and an end folding system are arranged in sequence along the conveying direction of the carton, and a side folding mechanism 2 is arranged below the carton placement area 1, and both the front folding system and the end folding system include a side The duck tongue folding mechanism 4, the top duck tongue folding mechanism 5 and the bottom duck tongue folding mechanism 6, the arrangement of each folding mechanism is shown in Figure 3, and the front folding system and the end folding system are arranged in sequence in the carton conveying direction to meet the It meets the sealing requirements of cartons of different lengths.

As shown in Figure 4, each of the side folding units 2 includes two oppositely arranged side pressure plates 22 and a side pressure plate positioning frame 21 with a quadrilateral cross section, and each side pressure plate 22 passes through a positioning bracket 24 and a side pressure plate positioning frame 21 respectively. Connected, side pressure plate 22 is rotationally connected with positioning bracket 24, two side pressure plates 22 are provided with single-rod cylinders 25 on the opposite sides respectively, and single-rod cylinders 25 are connected with the above-mentioned control system, and each single-rod cylinder 25 is respectively installed on the cylinder block and On the positioning bracket 24 where the single-rod cylinders 25 are relatively positioned, the piston rods of each single-rod cylinder 25 are connected to the side pressure plate 22 opposite to the position of the single-rod cylinder 25. When folding the side cardboard, the single-rod cylinders 25 of several side folding units 2 Synchronous action, each side pressing plate 22 turns upwards 90° from the initial flat state under the drive of the respective single-rod cylinder 25, and completes the folding of the side of the carton. A non-powered compression roller 23 for compacting the casing, the axis direction of each non-powered compression roller 23 is parallel to the height direction of the carton.

In addition, in order to meet the folding requirements of cartons with different widths, the distance between the two positioning brackets 24 is set to be adjustable. Specifically, it can be realized in the following way: respectively lock the two ends of each positioning bracket Slider 26 links to each other with side plate positioning frame 21, according to the width requirement of different cartons, adjusts the installation position of positioning bracket 24 on side plate positioning frame 21, to reach the requirement of changing the spacing between two positioning brackets 24.

As shown in Figure 5, the top surface folding mechanism 3 is arranged on the top of the carton, and the top surface folding mechanism 3 includes two oppositely arranged top pressure plates 34, a top pressure plate mounting frame 33 and a top pressure plate mounting frame 33 top. The first double-rod cylinder 31, the first double-rod cylinder 31 is provided with the first magnetic switch 32, the first double-rod cylinder 31 and the first magnetic switch 32 are all connected to the above-mentioned control system. Under the drive of the rod cylinder 31, the lifting motion is performed. Each top pressure plate 34 is respectively arranged under the top pressure plate mounting frame 33 and is rotatably connected with the top pressure plate mounting frame 33. In the initial state, the angle between the two top pressure plate 34 is 90 °, when pressing down, the two top pressure plates 34 rotate until they are at an angle of 180 ° to realize the folding of the top surface. Of course, in the initial state, the angle between the two top pressure plates 34 is not limited to 90 °, it can also be It is 60°, 70°, 80°, etc.

As shown in Figure 5, the top surface folding mechanism 3 also includes a top pressing plate reset assembly, and the top pressing plate reset assembly has two groups, and the two groups of top pressing plate reset assemblies act on two top pressing plates 34 respectively, and each top pressing plate reset assembly includes Linkage bar 36 and back-moving spring 35, one end of link bar 36 links to each other with top pressing plate 34, and the other end links to each other with back-moving spring 35, and the other end of back-moving spring 35 links to each other with top pressing plate mounting frame 33. When the angle between the two top pressure plates 34 gradually increased, the back-moving spring 35 began to tighten, and when the angle between the two top pressure plates 34 reached the maximum angle of 180°, the tension of the back-moving spring 35 was the largest, and the folding was completed Finally, the piston rod of the first double-rod cylinder 31 is recovered, and the two pressing plates 34 slowly return to the initial state under the force of the back-moving spring 35 .

As shown in Figure 6, the side duck tongue folding mechanism 4 includes a tail swing cylinder mounting frame 41 arranged on the frame and two tail swing cylinders 42 arranged on the tail swing cylinder mounting frame 41, the two tail swing cylinders 42 are respectively positioned at the both sides of carton end, and the rod end of the piston rod of each swing tail cylinder 42 is all connected with a set of four-bar linkage, under the initial state, the piston rod of swing tail cylinder 42 is stretched out, and each four-bar linkage Both comprise the first connecting rod 43, the second connecting rod 44, the third connecting rod 45 and the fourth connecting rod 46 which are sequentially hinged, wherein the first connecting rod 43 is connected with the piston rod of the swing tail cylinder 42, and in the initial state, The ends of the fourth connecting rod 46 of the two sets of four-bar linkages respectively touch the side duck tongues of the two side cardboards, and the fourth connecting rod 46 is parallel to the bottom cardboard of the carton, and the piston rod of the swing tail cylinder 42 retracts. The two fourth connecting rods 46 are driven to move oppositely, and the side duck tongues are folded.

As shown in Figure 7, the top duck tongue folding mechanism 5 includes a lower pressing plate 54 arranged above the end of the carton and a front flap 55 rotatably connected to the lower pressing plate 54. In the initial state, the lower pressing plate 54 and the front flap 55 The angle between them is 135°, the top of the lower pressing plate 54 is provided with a second double-rod cylinder 51, the piston rod of the second double-rod cylinder 51 is connected with the top of the lower pressing plate 54, and the second double-rod cylinder 51 is provided with a second Two magnetic switches 52, the bottom of the lower pressing plate 54 are respectively provided with two top surface duck tongue folding cylinders 56, and the two top surface duck tongue folding cylinders 56 are respectively located on both sides of the carton, the second double rod cylinder 51, the second magnetic switch 52 and the top duck tongue folding cylinder 56 are all connected with the above-mentioned control system, and the piston rod of the top duck tongue folding cylinder 56 is connected with the bottom surface of the front flap 55. In the initial state, the piston rods of each top duck tongue folding cylinder 56 They are all in an extended state. When folding, the piston rod of the second double-rod cylinder 51 is elongated, and the lower pressing plate 54 falls. After the switch 52 detects that the second double-rod cylinder 51 is in place, the top duck tongue folding cylinder 56 starts to act, and the piston rod of the top duck tongue folding cylinder 56 retracts, driving the front flap 55 to turn down to the front flap 55 and The lower pressing plates 54 are perpendicular to each other, and the top duck tongues are folded.

Of course, the angle between the lower pressing plate 54 and the front flap 55 in the initial state is not limited to 135°, and can also be 160°, 170°, 180°, etc.

The stroke of the second double-rod cylinder 51 is relatively large, and it is easy to bend during work. Therefore, a linear optical axis 53 is respectively set on both sides of the top of the lower pressing plate 54 to avoid damage to the second double-rod cylinder 51, and the The service life of the second double rod cylinder 51.

As shown in Figure 8, the bottom duck tongue folding mechanism 6 includes a bottom pressing plate 61, a bottom pressing plate positioning plate 64 and a bottom duck tongue folding cylinder 63, the bottom pressing plate positioning plate 64 is installed on the frame, and the bottom pressing plate positioning plate 64 is located Below the end of the carton, the bottom pressing plate 61 is rotationally connected with the bottom pressing plate positioning plate 64, the bottom duck tongue folding cylinder 63 is installed on the bottom pressing plate positioning plate 64 and the piston rod of the bottom duck tongue folding cylinder 63 is connected with the bottom surface of the bottom pressing plate 61, and the bottom duck tongue folding cylinder 63 is connected to the bottom surface of the bottom pressing plate 61. The duck tongue folding cylinder 63 is connected with the above-mentioned control system. In the initial state, the bottom pressing plate 61 is parallel to the bottom surface of the carton. When folding, the bottom pressing plate 61 is driven by the bottom duck tongue folding cylinder 63. perpendicular to each other, the underside of the duck tongue is folded. After the bottom duck tongue is folded, the top duck tongue folding mechanism 5 can return to its position.

After the above-mentioned folding processes are completed, the carton needs to be sealed with tape. In order to avoid the deformation of the carton due to elastic recovery during sealing, the above-mentioned bottom duck tongue folding mechanism 6 needs to continue to provide pressure on the bottom duck tongue, because the upper half of the bottom duck tongue Therefore, the bottom pressing plate 61 can only provide pressure on the lower half of the bottom duck tongue. In order to avoid the deformation of the upper part caused by the continuous pressing of the lower half, a sponge pad 62 is arranged on the bottom pressing plate 61. The bottom duck tongue is continuously provided with pressure by the sponge pad 62, effectively avoiding the deformation of the bottom duck tongue.

The parts not mentioned in the present invention can be realized by adopting or referring to the prior art.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying Describes, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate in a specific orientation, and therefore should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (9)

1. An automatic packaging machine with a wrapping forming device is characterized by comprising a rack and a control system, wherein a wrapping forming area is arranged on the rack along the length direction of the rack, a carton placing area is arranged in the wrapping forming area, a top surface folding mechanism, a front end folding system and a tail end folding system are sequentially arranged in the carton placing area along the conveying direction of cartons, a side surface folding mechanism is arranged below the carton placing area, the front end folding mechanism and the tail end folding system respectively comprise a side surface duck tongue folding mechanism, a top surface duck tongue folding mechanism and a bottom surface duck tongue folding mechanism, the side surface folding mechanism comprises a plurality of side surface folding units which are sequentially arranged along the length direction of the carton placing area, each side surface folding unit comprises two side pressure plates which are oppositely arranged and a side pressure plate positioning frame with a quadrangular cross section, and each side pressure plate is respectively connected with the side pressure plate positioning frame through a positioning support, the side pressing plates are rotatably connected with the positioning support, the opposite outer sides of the two side pressing plates are respectively provided with a single-rod cylinder, the single-rod cylinders are connected with the control system, each single-rod cylinder is respectively arranged on the positioning support opposite to the single-rod cylinder through a cylinder seat, a piston rod of each single-rod cylinder is connected with the side pressing plate opposite to the single-rod cylinder, and when the side paper boards are folded, each side pressing plate is driven by the single-rod cylinder to upwards turn by 90 degrees from an initial flat state.

2. An automatic wrapping machine according to claim 1 wherein the spacing between the two locating brackets is adjustable.

3. The automatic packaging machine with a wrapping and forming device according to claim 1 or 2, wherein a plurality of unpowered pressing rollers are respectively provided on the facing inner sides of the two side pressing plates, and the axial direction of each unpowered pressing roller is parallel to the height direction of the carton.

4. The automatic packaging machine with a wrapping device according to claim 1, wherein the top folding mechanism is disposed above the carton, the top folding mechanism includes two opposing top press plates, a top press plate mounting frame and a first double-rod cylinder disposed above the top press plate mounting frame, the first double-rod cylinder is provided with a first magnetic switch, the first double-rod cylinder and the first magnetic switch are both connected to the control system, the top press plate mounting frame is driven by the first double-rod cylinder to perform lifting movement, each top press plate is disposed below the top press plate mounting frame and is rotatably connected to the top press plate mounting frame, an angle between the two top press plates is 60-90 ° in an initial state, and when the top press plates are pressed down, the two top press plates rotate until they form an angle of 180 ° to realize folding of the top face.

5. The automatic packaging machine with a wrapping and forming device according to claim 4, wherein the top folding mechanism further comprises two sets of top plate reset assemblies, the two sets of top plate reset assemblies act on the two top plates respectively, each top plate reset assembly comprises a linkage rod and a reset spring, one end of the linkage rod is connected with the top plate, the other end of the linkage rod is connected with the reset spring, and the other end of the reset spring is connected with the top plate mounting frame.

6. The automatic packaging machine with the wrapping and forming device according to claim 1, wherein the side-tongue folding mechanism comprises a swing-tail cylinder mounting frame arranged on the frame and two swing-tail cylinders arranged on the swing-tail cylinder mounting frame, the two swing-tail cylinders are respectively positioned at two sides of the end of the carton, the rod end of the piston rod of each swing-tail cylinder is connected with a set of four-bar linkage, in an initial state, the piston rod of the swing-tail cylinder is extended, each four-bar linkage comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod which are sequentially hinged, wherein the first connecting rod is connected with the piston rod of the swing-tail cylinder, in the initial state, the end of the fourth connecting rod of the two sets of four-bar linkage respectively touches the side-tongue of the two side paperboards, the fourth connecting rod is parallel to the bottom paperboards of the carton, the piston rod of the swing-tail cylinder retracts, the two fourth connecting rods are driven to move oppositely, and the side duck tongues are folded.

7. The automatic packaging machine with the wrapping and forming device according to claim 1, wherein the top surface duck tongue folding mechanism comprises a lower press plate arranged above the tail end of the carton and a front folded plate rotatably connected with the lower press plate, an included angle between the lower press plate and the front folded plate is 135-180 degrees in an initial state, a second double-rod cylinder is arranged above the lower press plate, a piston rod of the second double-rod cylinder is connected with the top end of the lower press plate, a second magnetic switch is arranged on the second double-rod cylinder, two top surface duck tongue folding cylinders are respectively arranged below the lower press plate and are respectively positioned at two sides of the carton, the second double-rod cylinder, the second magnetic switch and the top surface duck tongue folding cylinders are all connected with the control system, a piston rod of the top surface duck tongue folding cylinder is connected with the bottom surface of the front folded plate, and in the initial state, a piston rod of each top surface duck tongue folding cylinder is in an extended state, when the folding mechanism is folded, the piston rod of the top surface duck tongue folding cylinder retracts to drive the front folded plate to downwards overturn until the front folded plate is mutually vertical to the lower pressing plate, and the top surface duck tongue is folded.

8. The automatic packaging machine with a wrapping and forming device according to claim 7, wherein a linear optical axis is respectively arranged on two sides of the top end of the lower pressing plate.

9. The automatic packaging machine with the wrapping and forming device is characterized in that the bottom surface duck tongue folding mechanism comprises a bottom pressing plate, a bottom pressing plate positioning plate and a bottom duck tongue folding cylinder, the bottom pressing plate positioning plate is installed on the machine frame and is located below the tail end of the carton, the bottom pressing plate is rotatably connected with the bottom pressing plate positioning plate, the bottom duck tongue folding cylinder is installed on the bottom pressing plate positioning plate, a piston rod of the bottom duck tongue folding cylinder is connected with the bottom surface of the bottom pressing plate, the bottom duck tongue folding cylinder is connected with the control system, the bottom pressing plate is parallel to the bottom surface of the carton in an initial state, the bottom pressing plate is driven by the bottom duck tongue folding cylinder to upwards overturn to the bottom pressing plate to be perpendicular to the bottom surface of the carton in a folding mode, and the bottom duck tongues are folded.