CN109367124B - A kind of packaging carton automatic folding forming device - Google Patents

Abstract

The invention relates to an automatic folding and forming device for a packaging carton, comprising: a conveying line, a first folding assembly, a second folding assembly, a bearing assembly, a mounting plate and a triangular prism, wherein the bearing assembly is arranged below the conveying line, and the first folding assembly and the second folding assembly are respectively arranged on both sides of the bearing assembly, the installation plate is arranged on the conveying line, and the triangular prism is arranged on the installation plate. The beneficial effects of the present invention are that the unfolded packaging carton can be automatically folded, and simultaneously bonded and unloaded; the structure is simple, the efficiency is high, and it is practical and convenient, which can not only reduce labor intensity and save labor costs, but also ensure The quality of the finished box improves the production efficiency of the enterprise; in addition, it only needs to replace different triangular prisms, it can be adapted to the folding and forming of various sizes of packaging cartons, and the versatility is better.

Description

A kind of packaging carton automatic folding forming device

technical field

The invention relates to the technical field of packaging box processing, in particular to an automatic folding and forming device for a packaging carton.

Background technique

Packaging cartons are widely used in all walks of life due to their low cost, easy packaging, suitable for adding fillers, and cleanliness, which are suitable for product packaging, article transportation, and material sorting. Most of the cartons are made of four-sided corrugated paper folded into a sealed box to hold items. Of course, there are also three-sided corrugated paper folded into a sealed box to hold items. Usually, the folding of the carton is done manually. If it is manually folded and formed , not only the efficiency is low, but also there is a big difference between labor, resulting in poor product quality.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide an automatic folding and forming device for a packaging carton to overcome the above-mentioned deficiencies in the prior art.

The technical solution of the present invention to solve the above-mentioned technical problems is as follows: an automatic folding and forming device for a packaging carton, comprising: a conveying line, a first folding assembly, a second folding assembly, a carrying assembly, a mounting plate and a triangular prism, and the carrying assembly is arranged in the conveying Below the line, the first folding component and the second folding component are respectively arranged on two sides of the carrying component, the installation plate is arranged on the conveying line, and the triangular prism is arranged on the installation plate.

In the above solution, the conveying line includes a plurality of belts arranged in parallel at a preset interval, the bearing assembly includes a lifting mechanism and a roller shaft, the lifting mechanism is arranged below the belt, and is arranged in the gap between any two adjacent belts. There are roller shafts, the length direction of each roller shaft is the same as the transmission direction of the belt, and each roller shaft is connected with the lifting mechanism;

The mounting plate is arranged on the conveying line, the triangular prism is arranged above the bearing assembly, one end of the triangular prism is connected with the mounting plate, the other end of the triangular prism is a free end, and the side of the triangular prism close to the bearing assembly is horizontal;

The first folding assembly and the second folding assembly are respectively arranged on both sides of the bearing assembly; the first folding assembly includes a first rotating shaft, a first driving mechanism and a plurality of first pressing plates, and the first rotating shaft passes through the belt, and is adjacent to the belt. A first pressing plate is arranged in the gap between the two belts, one end of each first pressing plate is connected with the outer circumferential surface of the first rotating shaft, the other end of each first pressing plate is a free end, and the first driving mechanism is used for driving the first shaft to rotate;

The second folding assembly includes a second rotating shaft, a second driving mechanism and a plurality of second pressing plates. The second rotating shaft is passed through the belt, and a second pressing plate is arranged in the gap between two adjacent belts. One end of the pressing plates is connected with the outer circumferential surface of the second rotating shaft, the other end of each second pressing plate is a free end, and the second driving mechanism is used to drive the second rotating shaft to rotate; all the first pressing plates and all the second pressing plates are respectively They can cross each other in the process of rotating with the first rotating shaft and the second rotating shaft.

In the above solution, the conveying line further includes a first beam, a second beam, a driving shaft, a driven shaft and a pulley, the first beam and the second beam are arranged in parallel, and the two ends of the driving shaft are respectively connected with the first beam and the second beam. The cross beam is rotatably connected, and the two ends of the driven shaft are respectively connected with the first cross beam and the second cross beam. A plurality of pulleys are arranged on the driving shaft and the driven shaft according to a preset distance, and each pulley on the driving shaft A belt is arranged between each pulley on the driven shaft, and a first gap is formed between two adjacent belts.

In the above solution, a third telescopic assembly is also included, the third telescopic assembly is disposed on the first beam, the mounting plate is disposed on the third telescopic assembly, and the telescopic direction of the third telescopic assembly is perpendicular to the transmission direction of the belt.

In the above solution, the first cross beam is provided with a first chute and a second chute on both sides of the bearing assembly, the first folding assembly further includes a first telescopic assembly, and the first telescopic assembly is fixed on the first cross beam, The first driving mechanism is arranged on the first telescopic assembly, one end of the first rotating shaft is connected with the output end of the first driving mechanism, and the other end of the first rotating shaft extends into the belt after passing through the first chute; the second folding The assembly also includes a second telescopic assembly, the second telescopic assembly is fixed on the first beam, the second driving mechanism is arranged on the second telescopic assembly, one end of the second rotating shaft is connected with the output end of the second driving mechanism, and the second rotating shaft The other end extends into the belt after passing through the second chute.

In the above solution, the stripper board is also included, the stripper board is arranged on the first beam, and the upper end surface of the stripper board is in contact with the side surface of the triangular prism close to the bearing assembly.

In the above solution, the bearing assembly further includes a first moving mechanism and a second moving mechanism, the first moving mechanism and the second moving mechanism are both arranged below the belt, the number of lifting mechanisms is two, and the two lifting mechanisms are respectively the first moving mechanism and the second moving mechanism. a lifting mechanism and a second lifting mechanism, the first lifting mechanism and the second lifting mechanism are respectively arranged on the first moving mechanism and the second moving mechanism, the first moving mechanism drives the first lifting mechanism to move in the direction and the belt transmission direction Similarly, the direction in which the second moving mechanism drives the second lifting mechanism to move is the same as the transmission direction of the belt, and both the first lifting mechanism and the second lifting mechanism are provided with roller shafts.

In the above solution, a gluing assembly is also included. The gluing assembly includes a pressing block, a third moving mechanism, a gluing head and a glue supplying mechanism. The third moving mechanism is arranged on the mounting plate, and the pressing block is arranged on the third moving mechanism. , and is moved by the third moving mechanism, the moving direction of the pressure block is perpendicular to the transmission direction of the belt; the end of the pressure block close to the triangular prism is provided with an inverted V-shaped groove, and the angle between the inverted V-shaped groove and the triangular prism is far from the bearing assembly The angle between the two sides is equal, there is a second gap between the groove wall of the inverted V-shaped groove and the side of the triangular prism, the distance value of the second gap is equal to the thickness of the packaging carton, the inverted V-shaped groove and the packaging paper A mounting hole penetrating the pressing block is arranged on the groove wall where the lugs on the box are in contact, the glue applicator head is arranged in the mounting hole, and the glue supply mechanism is used for supplying glue into the glue applicator head.

The beneficial effects of the present invention are: the unfolded packaging carton can be automatically folded, and simultaneously bonded and unloaded; the structure is compact, efficient, practical and convenient, which can not only reduce labor intensity and save labor costs, but also ensure The quality of the finished box improves the production efficiency of the enterprise; in addition, it only needs to replace different triangular prisms, it can be adapted to the folding and forming of various sizes of packaging cartons, and the versatility is better.

Description of drawings

Fig. 1 is the top view of the packaging carton automatic folding and forming device according to the present invention;

Fig. 2 is the front view of the packaging carton automatic folding and forming device according to the present invention;

FIG. 3 is an expanded schematic view of the packaging carton according to the present invention.

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples are only used to explain the present invention, but not to limit the scope of the present invention.

As shown in Figures 1 and 2, an automatic folding and forming device for packaging cartons includes: a conveying line 1, a first folding assembly 2, a second folding assembly 3, a carrying assembly 4, a mounting plate 5 and a triangular prism 6, carrying The assembly 4 is arranged below the conveying line 1 , the first folding assembly 2 and the second folding assembly 3 are respectively arranged on both sides of the bearing assembly 4 , the mounting plate 5 is arranged on the conveying line 1 , and the triangular prism 6 is arranged on the mounting plate 5 .

For ease of understanding, the present invention will be described in detail below:

The conveying line 1 includes a plurality of belts 110 arranged in parallel at a preset interval, and the specific value of the preset interval is determined according to actual requirements. The bearing assembly 4 includes a lifting mechanism and a roller shaft 410, wherein the lifting mechanism is arranged below the belt 110. Roller shafts 410 are arranged in the gap between any two adjacent belts 110, the length direction of each roller shaft 410 is the same as the transmission direction of the belt 110, and each roller shaft 410 is connected with the lifting mechanism, that is, through the lifting and lowering mechanism The mechanism may cause the roller shaft 410 to ascend and descend.

The mounting plate 5 is arranged on the conveying line 1, the triangular prism 6 is arranged above the bearing assembly 4, and one end of the triangular prism 6 is connected with the mounting plate 5, the other end of the triangular prism 6 is a free end, and the triangular prism 6 is close to the bearing assembly The side of 4 is horizontal, and the distance between the side of the triangular prism 6 close to the carrier assembly 4 and the conveying surface of the belt 110 is greater than the wall thickness of the packaging carton, and the difference between the two is 2mm-5mm.

The first folding assembly 2 and the second folding assembly 3 are respectively disposed on both sides of the bearing assembly 4, wherein the first folding assembly 2 includes a first rotating shaft 210, a first driving mechanism 220 and a plurality of first pressing plates 230. The first rotating shaft 210 is passed through the belt 110, and a first pressing plate 230 is provided in the gap between two adjacent belts 110. Each first pressing plate 230 has one end connected to the outer circumferential surface of the first rotating shaft 210, and each The other end of the pressing plate 230 is a free end, and the first driving mechanism 220 is used for driving the first rotating shaft 210 to rotate.

The second folding assembly 3 includes a second rotating shaft 310 , a second driving mechanism 320 and a plurality of second pressing plates 330 . The second rotating shaft 310 passes through the belt 110 and is provided in the gap between two adjacent belts 110 . The second pressing plate 330, each second pressing plate 330 has one end connected to the outer circumferential surface of the second rotating shaft 310, the other end of each second pressing plate 330 is a free end, and the second driving mechanism 320 is used to drive the second rotating shaft 310 to move turn. All the first pressing plates 230 and all the second pressing plates 330 can cross each other in the process of rotating with the first rotating shaft 210 and the second rotating shaft 310 respectively. Preferably, the width of the first pressing plate 230 is equal to the width of the second pressing plate 330 and is smaller than the distance between two adjacent belts 110 .

The conveying line 1 further includes a first beam 120, a second beam 130, a driving shaft 140, a driven shaft 150 and a pulley 160, the first beam 120 and the second beam 130 are arranged in parallel, and the two ends of the driving shaft 140 are respectively connected to the first beam 140. The beam 120 and the second beam 130 are rotatably connected, the two ends of the driven shaft 150 are respectively rotatably connected with the first beam 120 and the second beam 130, and the driving shaft 140 and the driven shaft 150 are provided with a plurality of belts at preset distances. Pulleys 160, a belt 110 is provided between each pulley 160 on the driving shaft 140 and each pulley 160 on the driven shaft 150, and there is a first gap between two adjacent belts 110. The conveyor line 1 A driving mechanism is also included, and the driving mechanism is used to drive the driving shaft 140 to rotate.

The packaging carton automatic folding and forming device also includes a third telescopic assembly 7, the third telescopic assembly 7 is arranged on the first beam 120, the mounting plate 5 is arranged on the third telescopic assembly 7, and the telescopic direction of the third telescopic assembly 7 is the same as that of the belt. The transmission directions of 110 are perpendicular to each other. In this embodiment, the third telescopic assembly 7 is preferably a ball screw guide rail mechanism.

The first cross beam 120 is provided with a first chute 121 and a second chute 122 on both sides of the bearing assembly 4, respectively. The first folding assembly 2 further includes a first telescopic assembly 240, and the first telescopic assembly 240 is fixed on the first cross beam. 120 on the side away from the second beam 130, the first driving mechanism 220 is arranged on the first telescopic assembly 240, one end of the first rotating shaft 210 is connected with the output end of the first driving mechanism 220, and the other end of the first rotating shaft 210 After passing through the first chute 121 and then extending into the belt 110 , the first telescopic assembly 240 drives the first driving mechanism 220 to move in the same direction as the transmission direction of the belt 110 . The second folding assembly 3 further includes a second telescopic assembly 340. The second telescopic assembly 340 is fixed on the side of the first beam 120 away from the second beam 130. The second driving mechanism 320 is disposed on the second telescopic assembly 340. One end of the rotating shaft 310 is connected to the output end of the second driving mechanism 320 , the other end of the second rotating shaft 310 passes through the second chute 122 and then extends into the belt 110 , and the second telescopic assembly 340 drives the second driving mechanism 320 to The direction of movement is the same as the conveying direction of the belt 110 .

The packaging carton automatic folding and forming device further includes a stripper board 8 , which is arranged on the first beam 120 , and the upper end surface of the stripper board 8 is in contact with the side of the triangular prism 6 close to the carrier assembly 4 .

The carrier assembly 4 also includes a first moving mechanism 420 and a second moving mechanism 430. The first moving mechanism 420 and the second moving mechanism 430 are both arranged below the belt 110. The number of lifting mechanisms is two, and the two lifting mechanisms are The first lifting mechanism 440 and the second lifting mechanism 450 are respectively arranged on the first moving mechanism 420 and the second moving mechanism 430 , and the first moving mechanism 420 drives the first lifting mechanism 440 The moving direction is the same as the transmission direction of the belt 110. The second moving mechanism 430 drives the second lifting mechanism 450 to move in the same direction as the transmission direction of the belt 110. Both the first lifting mechanism 440 and the second lifting mechanism 450 are provided with The roller shaft 410, the structure of the first moving mechanism 420 and the structure of the second moving mechanism 430 may be the same, for example, they are all air cylinders, hydraulic cylinders, electric cylinders or ball screw guide rail mechanisms.

The conveying line 1 , the first folding component 2 , the second folding component 3 and the carrying component 4 are integrated with each other to form a very compact structure.

The packaging carton automatic folding and forming device also includes a gluing assembly 9, the gluing assembly 9 includes a pressing block 910, a third moving mechanism 920, a gluing head 930 and a glue supplying mechanism, and the third moving mechanism 920 is arranged on the mounting plate 5, The pressing block 910 is disposed on the third moving mechanism 920 and is moved by the third moving mechanism 920 , and the moving direction of the pressing block 910 is perpendicular to the conveying direction of the belt 110 . One end of the pressing block 910 close to the triangular prism 6 is provided with an inverted V-shaped groove 911. The angle of the inverted V-shaped groove 911 is equal to the angle between the two sides of the triangular prism 6 away from the bearing assembly 4. There is a second gap between the groove wall and the side surface of the triangular prism 6, and the distance value of the second gap is equal to the thickness of the packaging carton. The installation hole of the pressing block 910, the glue applicator head 930 is arranged in the installation hole, the glue supply mechanism is used to supply glue to the glue applicator head 930, the glue applicator assembly 9 also includes a multi-degree-of-freedom electric mechanical arm 940, a multi-degree-of-freedom electric machine One end of the arm 940 is connected with the third moving mechanism 920, and the pressing block 910 is connected with the multi-degree-of-freedom electric mechanical arm 940. Z moves in three directions.

When using:

Place the packaging carton (deployed state) that can be folded into a triangular prism shape on the conveying line 1 on the left side of the first folding assembly 2, wherein, Fig. 3 is a schematic diagram of the unfolding of the packaging carton, the conveying line 1 is activated, and the conveying line 1 The packaging carton is conveyed towards the second folding assembly 3. During the conveying process, the packaging carton will first reach the top of the carrying assembly 4, and the middle side plate of the carton to be packed and the triangular prism 6 are close to the side of the carrying assembly 4. When the projections are completely coincident, the conveyor line 1 stops;

The first lifting mechanism 440 and the second lifting mechanism 450 are activated at the same time, and the first lifting mechanism 440 and the second lifting mechanism 450 will respectively drive the roller shaft 410 on it to rise, so that the packaging carton is pressed against the roller shaft 410 and the triangular prism. 6, suspend the first lifting mechanism 440 and the second lifting mechanism 450;

The first driving mechanism 220 is activated, and the first driving mechanism 220 will drive the first rotating shaft 210 to rotate. After the first rotating shaft 210 is rotated, the first pressing plate 230 will cause the left side plate of the packaging carton to move along the left side plate and the middle side plate. The crease between is bent to the left side of the triangular prism 6, and the first driving mechanism 220 is suspended;

The third moving mechanism 920 is activated, and the third moving mechanism 920 drives the multi-degree-of-freedom electric mechanical arm 940, the pressing block 910, and the gluing head 930 to move, and simultaneously activates the multi-degree-of-freedom electric mechanical arm 940, and the multi-degree-of-freedom electric mechanical arm 940 will drive the The pressure block 910 moves, and through the combined action of the multi-degree-of-freedom electric mechanical arm 940 and the pressure block 910, the ear plate of the packaging carton is bent along the crease between the ear plate and the left plate to the right side that is close to the triangular prism 6. side;

Start the glue supply mechanism, the glue supply mechanism supplies the glue to the glue applicator head 930, and at the same time let the third moving mechanism 920 move the pressing block 910 along the length direction of the triangular prism 6, so that the glue will be coated on the ear plate, and the pressing block is to be pressed. When 910 moves to the front end of the packaging carton (there is still partial contact between the pressing block 910 and the ear plate), the third moving mechanism 920 and the glue supply mechanism are suspended;

Activate the second driving mechanism 320, the second driving mechanism 320 will drive the second rotating shaft 310 to rotate, after the second rotating shaft 310 rotates, the second pressing plate 330 will make the right side plate of the packaging carton along the right side plate and the middle side plate The crease between them is bent to the right side of the triangular prism 6, and the right side plate will be glued together with the lug plate at the same time;

Activate the first driving mechanism 220 , the second driving mechanism 320 , the first lifting mechanism 440 and the second lifting mechanism 450 , so that the first pressing plate 230 is all rotated to the bottom of the conveying surface of the belt 110 , and the second pressing plate 330 is all rotated to the belt 110 below the conveying surface, and the roller shaft 410 moves to the lower part of the conveying surface of the belt 110;

Activate the third telescopic assembly 7, the third telescopic assembly 7 will drive the mounting plate 5 and the triangular prism 6 to move, and the triangular prism 6 will cooperate with the unloading cardboard 8 during the movement process, so that the packaging carton will fall off the triangular prism 6 and drop to the conveyor. Line 1, and then transported away by conveyor line 1, and when the next packaging carton needs to be folded, the above steps can be repeated.

When the size of the packaging carton is changed, the existing triangular prism 6 is removed, a different triangular prism 6 is replaced, and then the position of the first driving mechanism 220 is changed by the first telescopic assembly 240, and the second telescopic assembly 340 is changed. The position of the driving mechanism 320, and changing the positions of the first moving mechanism 420 and the second moving mechanism 430 through the first moving mechanism 420 and the second moving mechanism 430, respectively, can be adjusted to adapt to various sizes of packaging cartons. Folding and forming device, with better versatility.

In the present invention, each movement position is detected by the sensor, the sensor transmits the detection signal to the industrial control computer, and finally the industrial control computer controls each device to work.

Although the embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Embodiments are subject to variations, modifications, substitutions and variations.

Claims (7)

1. An automatic folding and forming device for a packaging carton, characterized in that it comprises: a conveying line (1), a first folding assembly (2), a second folding assembly (3), a bearing assembly (4), a mounting plate (5) ) and a triangular prism (6), the carrying component (4) is arranged below the conveying line (1), and the first folding component (2) and the second folding component (3) are respectively arranged at the On both sides of the bearing assembly (4), the mounting plate (5) is arranged on the conveying line (1), and the triangular prism (6) is arranged on the mounting plate (5); the conveying line (1) comprising a plurality of belts (110) arranged in parallel at a preset interval, the bearing assembly (4) comprising a lifting mechanism and a roller shaft (410), the lifting mechanism is arranged below the belts (110), Roller shafts (410) are arranged in the gap between any two adjacent belts (110), and the length direction of each roller shaft (410) is the same as the transmission direction of the belt (110). The shafts (410) are all connected with the lifting mechanism; The mounting plate (5) is arranged on the conveying line (1), the triangular prism (6) is arranged above the bearing component (4), and one end of the triangular prism (6) is connected to the The mounting plates (5) are connected, the other end of the triangular prism (6) is a free end, and the side surface of the triangular prism (6) close to the bearing assembly (4) is horizontal; The first folding assembly (2) and the second folding assembly (3) are respectively disposed on both sides of the bearing assembly (4); the first folding assembly (2) includes a first rotating shaft (210), A first driving mechanism (220) and a plurality of first pressing plates (230), the first rotating shaft (210) is passed through the belt (110), and between two adjacent belts (110) A first pressing plate (230) is arranged in the gap, each first pressing plate (230) has one end connected to the outer circumferential surface of the first rotating shaft (210), and the other end of each first pressing plate (230) is free end, the first driving mechanism (220) is used to drive the first rotating shaft (210) to rotate; The second folding assembly (3) includes a second rotating shaft (310), a second driving mechanism (320) and a plurality of second pressing plates (330), and the second rotating shaft (310) passes through the belt (110) ), a second pressing plate (330) is arranged in the gap between two adjacent belts (110), and each second pressing plate (330) has one end connected to the outer side of the second rotating shaft (310). The circumferential surfaces are connected, the other end of each second pressing plate (330) is a free end, and the second driving mechanism (320) is used to drive the second rotating shaft (310) to rotate; all the first pressing plates (230) and All the second pressing plates (330) can cross each other in the process of rotating with the first rotating shaft (210) and the second rotating shaft (310) respectively. 2 . The automatic folding and forming device for a packaging carton according to claim 1 , wherein the conveying line ( 1 ) further comprises a first beam ( 120 ), a second beam ( 130 ), and a driving shaft ( 140 ). 3 . ), a driven shaft (150) and a pulley (160), the first beam (120) and the second beam (130) are arranged in parallel, and both ends of the driving shaft (140) are respectively connected to the first beam (120) and the second beam (130). A beam (120) is rotatably connected to the second beam (130), and both ends of the driven shaft (150) are respectively rotatably connected to the first beam (120) and the second beam (130), The driving shaft (140) and the driven shaft (150) are provided with a plurality of pulleys (160) at preset distances, and each pulley (160) on the driving shaft (140) is connected with the pulley (160). A belt (110) is provided between each pulley (160) on the driven shaft (150). 3. An automatic folding and forming device for a packaging carton according to claim 2, characterized in that it further comprises a third telescopic assembly (7), wherein the third telescopic assembly (7) is arranged on the first beam ( 120), the mounting plate (5) is arranged on the third telescopic assembly (7), and the telescopic direction of the third telescopic assembly (7) is perpendicular to the transmission direction of the belt (110). 4. The device for automatic folding and forming of a packaging carton according to claim 3, wherein the first cross beam (120) is provided with first chute (121) on both sides of the bearing assembly (4) respectively ) and a second chute (122), the first folding assembly (2) further includes a first telescopic assembly (240), and the first telescopic assembly (240) is fixed on the first beam (120), The first driving mechanism (220) is arranged on the first telescopic assembly (240), one end of the first rotating shaft (210) is connected to the output end of the first driving mechanism (220), the The other end of the first rotating shaft (210) extends into the belt (110) after passing through the first chute (121); the second folding assembly (3) further includes a second telescopic assembly (340), so The second telescopic assembly (340) is fixed on the first beam (120), the second drive mechanism (320) is arranged on the second telescopic assembly (340), and the second rotating shaft (310) One end of the second drive mechanism (320) is connected to the output end of the second drive mechanism (320), and the other end of the second rotating shaft (310) extends into the belt (110) after passing through the second chute (122). 5. An automatic folding and forming device for a packaging carton according to any one of claims 1-4, characterized in that it further comprises a release board (8), and the release board (8) is arranged on the first beam (120). ), and the upper end surface of the stripping board (8) is in contact with the side surface of the triangular prism (6) close to the bearing assembly (4). 6. An automatic folding and forming device for a packaging carton according to any one of claims 1-4, wherein the carrying assembly (4) further comprises a first moving mechanism (420) and a second moving mechanism ( 430), the first moving mechanism (420) and the second moving mechanism (430) are both arranged below the belt (110), the number of the lifting mechanisms is two, and the two lifting mechanisms are A first elevating mechanism (440) and a second elevating mechanism (450), the first elevating mechanism (440) and the second elevating mechanism (450) are respectively provided on the first moving mechanism (420) and the second elevating mechanism (450) On the second moving mechanism (430), the first moving mechanism (420) drives the first lifting mechanism (440) to move in the same direction as the transmission direction of the belt (110). (430) The direction in which the second lifting mechanism (450) is driven to move is the same as the transmission direction of the belt (110), and the first lifting mechanism (440) and the second lifting mechanism (450) are both A roller shaft (410) is provided. 7. The automatic folding and forming device for a packaging carton according to any one of claims 1-4, characterized in that it further comprises a gluing assembly (9), wherein the gluing assembly (9) comprises a pressing block (910). ), a third moving mechanism (920), a gluing head (930) and a glue supplying mechanism, the third moving mechanism (920) is arranged on the mounting plate (5), and the pressing block (910) is arranged on the on the third moving mechanism (920), and is moved by the third moving mechanism (920), the moving direction of the pressing block (910) is perpendicular to the conveying direction of the belt (110); the One end of the pressing block (910) close to the triangular prism (6) is provided with an inverted V-shaped groove (911), and the included angle of the inverted V-shaped groove (911) and the angle of the triangular prism (6) away from the bearing assembly (4) are provided. The included angle between the two side surfaces is equal, and there is a second gap between the groove wall of the inverted V-shaped groove (911) and the side surface of the triangular prism (6), and the distance value of the second gap is equal to the wrapping paper The thickness of the box, the groove wall of the inverted V-shaped groove (911) in contact with the lug plate on the packaging carton is provided with a mounting hole passing through the pressing block (910), and the glue application head (930) is provided with In the installation hole, the glue supply mechanism is used to supply glue into the glue application head (930).

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