Automatic feeding and discharging packaging equipment for four-fold packaging box

Abstract

According to the technical scheme, the automatic feeding and discharging packaging equipment for the four-fold packaging box is characterized in that the automatic feeding and discharging packaging equipment for the four-fold packaging box comprises an installation frame, and a folding mechanism used for folding a packaging box paperboard into a three-dimensional packaging box is arranged on the installation frame; a feeding mechanism used for placing packaging materials into the packaging box is arranged above the folding mechanism, and a discharging mechanism used for conveying the packaging box out is arranged below the folding mechanism. According to the integrated packaging equipment, full automation of the processes of packaging box folding, product material boxing and packaging and conveying can be achieved, the labor cost is effectively reduced, and the packaging efficiency is improved.

Description

[Technical field]

[0001] The utility model relates to the technical field of packaging equipment, in particular to automatic loading and unloading packaging equipment for four-folding packaging boxes. [Background technology]

[0002] A four-fold packaging box is a packaging box without an upper cover. When packing product materials, the sides of the packaging box cardboard need to be folded up to form a box body. The process of folding the packaging box and packing the product materials is usually done manually, which is inefficient.

[0003] In order to realize the full automation of the process of folding packaging boxes, packing of product materials, and packaging and conveying, the utility model provides an automatic loading and unloading packaging device for four-folding packaging boxes. [Contents of the utility model]

[0004] In order to realize the full automation of the process of folding packaging boxes, packing of product materials, and packaging and conveying, the utility model provides an automatic loading and unloading packaging device for four-folding packaging boxes.

[0005] In order to solve the above problems, the utility model provides the following technical solutions:

[0006] An automatic loading and unloading packaging device for four-fold packaging boxes is characterized by comprising a mounting frame, on which a folding mechanism for folding the packaging box cardboard into a three-dimensional packaging box is provided, above the folding mechanism a loading mechanism for placing packaging materials in the packaging box is provided, and below the folding mechanism a unloading mechanism for conveying the packaging box is provided.

[0007] The automatic loading and unloading packaging equipment for four-fold packaging boxes as described above is characterized in that: the folding mechanism includes a material support for placing packaging box cardboard, a suction cup for grabbing the packaging box cardboard is provided below the material support, a lifting device for driving the suction cup to move up and down is provided on one side of the suction cup, and a folding baffle for folding the packaging box cardboard when the suction cup moves downward is provided on the material support and around the suction cup.

[0008] The automatic loading and unloading packaging equipment for four-fold packaging boxes as described above is characterized in that: the lifting device includes a fixed bracket fixedly installed on the mounting frame, a first motor and a lifting slide rail are provided on the fixed bracket, a lifting slider is provided on the lifting slide rail, the suction cup is fixedly connected to the lifting slider, and first synchronous wheels are provided at both ends of the suction cup's moving stroke, one of the first synchronous wheels is installed on the first motor, and the other is rotatably installed on the fixed bracket, a first synchronous belt is provided on the first synchronous wheel, and the lifting slider is fixedly connected to the first synchronous belt.

[0009] The automatic loading and unloading packaging equipment for four-fold packaging boxes as described above is characterized in that: the loading mechanism includes a hopper with an openable and closable bottom and a swing arm for driving the hopper to swing back and forth, a power device for driving the swing arm to rotate back and forth is provided on the mounting frame and above the swing arm, and a moving device for driving the hopper to move back and forth along the swing arm is provided on the side of the swing arm close to the hopper.

[0010] The automatic loading and unloading packaging equipment for four-fold packaging boxes as described above is characterized in that: the power device includes a reduction motor fixedly mounted on the mounting frame and a power arm connected to the reduction motor, a connecting rod is provided at the end of the power arm, and the two ends of the connecting rod are rotatably connected to the power arm and the swing arm respectively; the moving device includes a second motor, a second synchronous wheel and a second synchronous belt installed on the second synchronous wheel, a moving slide rail is provided on the swing arm, a moving slider fixedly connected to the second synchronous belt is provided on the moving slide rail, the hopper is fixedly mounted on the moving slider, the second motor is mounted at the bottom end of the swing arm, two second synchronous wheels are provided and are respectively located at the two ends of the hopper moving stroke, one of the two second synchronous wheels is mounted on the second motor, and the other is rotatably mounted at the end of the swing arm.

[0011] The automatic loading and unloading packaging equipment for four-folding packaging boxes as described above is characterized in that: the feeding mechanism is provided with several groups and the two feeding mechanisms in each group are installed relatively to each other, each feeding mechanism corresponds to a hopper, and the two hoppers in each group of the feeding mechanisms run alternately, and a positioning shaft for limiting the rotation center of the swing arm is provided between the two swing arms in each group of the feeding mechanisms.

[0012] The automatic loading and unloading packaging equipment for four-fold packaging boxes as described above is characterized in that: the unloading mechanism includes a base frame fixedly installed on the mounting frame, a conveying bracket for receiving the packaging box on the suction cup is provided above the base frame, a conveying device for driving the packaging box to move is provided on the base frame, a positioning device for preventing the packaging box from tipping over or deviating from a predetermined moving trajectory is provided on the conveying device, positioning plates for guiding the falling position of the packaging box are provided on both sides of the conveying bracket close to one end of the suction cup, guide plates for guiding the folding direction of the side panels of the packaging box are provided on both sides of the top surface of the conveying bracket and below the positioning plates, and a shaping device for folding the side panels of the packaging box into a right angle with the bottom panel of the packaging box is provided on the conveying bracket and at the end of the guide plate.

[0013] The automatic loading and unloading packaging equipment for four-fold packaging boxes as described above is characterized in that: the conveying device includes a third motor fixedly installed at one end of the base frame, a transmission shaft connected to the third motor is rotatably provided on the base frame, and third synchronous wheels rotatably installed on the base frame and fixedly installed on the transmission shaft are respectively provided at both ends of the base frame, a third synchronous belt is provided on the third synchronous wheel, a conveying slide rail is provided on the base frame and below the conveying bracket, a conveying slider fixedly connected to the third synchronous belt is provided on the conveying slide rail, and a push plate for resisting the packaging box is provided at one end of the conveying slider close to the lifting device.

[0014] The automatic loading and unloading packaging equipment for four-fold packaging boxes as described above is characterized in that: the positioning device includes a telescopic motor rotatably installed on one side of the conveying slider, a rotating shaft is rotatably provided at the end of the conveying slider away from the push plate, a connecting piece is provided between the telescopic motor and the rotating shaft, one end of the connecting piece is fixedly connected to the rotating shaft, and the other end is rotatably connected to the telescopic motor, and a splint that rotates synchronously with the rotating shaft is provided on the rotating shaft corresponding to the push plate.

[0015] The automatic loading and unloading packaging equipment for four-folding packaging boxes as described above is characterized in that: the shaping device includes a cylinder, a push rod is telescopically movable on the cylinder, a pressure plate is fixedly installed at the end of the push rod, and two shaping devices are provided and are respectively installed on both sides of the conveying bracket.

[0016] Compared with the prior art, the utility model has the following advantages:

[0017] 1. The utility model is an automatic loading and unloading packaging device for four-folding packaging boxes, which is provided with a folding mechanism, a loading mechanism and a unloading mechanism. The integrated packaging device can realize full automation of the packaging box folding, product material boxing, and packaging and conveying processes, effectively reducing labor costs and improving packaging efficiency.

[0018] 2. The utility model is an automatic loading and unloading packaging device for four-folding packaging boxes, which is equipped with multiple sets of folding mechanisms, loading mechanisms and unloading mechanisms, and can effectively improve the packaging efficiency of product materials.

Brief Description of the Drawings

[0019] Figure 1 is a three-dimensional diagram of the packaging equipment;

[0020] Figure 2 is an exploded view of the packaging equipment;

[0021] Figure 3 It is a three-dimensional diagram of the folding mechanism;

[0022] Figure 4 It is the first enlarged view of the lifting device;

[0023] Figure 5 is a second enlarged view of the lifting device;

[0024] Figure 6 It is a three-dimensional diagram of the feeding mechanism;

[0025] Figure 7 It is an exploded view of the feeding mechanism;

[0026] Figure 8 It is a three-dimensional diagram of the blanking mechanism;

[0027] Fig. 9 This is the first exploded view of the blanking mechanism;

[0028] Fig.10 This is the second exploded view of the blanking mechanism;

[0029] Fig.11 It is the assembly diagram of the unloading mechanism and the lifting device;

[0030] In the figure: 1 is a mounting frame; 2 is a folding mechanism; 3 is a material support; 4 is a suction cup; 5 is a folding baffle; 6 is a lifting device; 7 is a fixed support; 8 is a first motor; 9 is a first synchronous wheel; 10 is a first synchronous wheel; 11 is a lifting rail; 12 is a lifting slider;

[0031] 13 is a feeding mechanism; 14 is a hopper; 15 is a swing arm; 16 is a power device; 17 is a reduction motor; 18 is a power arm; 19 is a connecting rod; 20 is a moving device; 21 is a second motor; 22 is a second synchronous wheel; 23 is a second synchronous belt; 24 is a moving slide rail; 25 is a moving slider; 26 is a positioning shaft;

[0032] 27 is a material unloading mechanism; 28 is a bottom frame; 29 is a conveying bracket; 30 is a positioning plate; 31 is a guide plate; 32 is a conveying device; 33 is a third motor; 34 is a transmission shaft; 35 is a third synchronous wheel; 36 is a third synchronous belt; 37 is a conveying slide rail; 38 is a conveying slider; 39 is a push plate; 40 is a positioning device; 41 is a telescopic motor; 42 is a rotating shaft; 43 is a connecting plate; 44 is a clamping plate; 45 is a shaping device; 46 is a cylinder; 47 is a push rod; 48 is a pressure plate. [Specific implementation method]

[0033] The technical features of the present invention are further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can understand them. The up, down, left and right described in the text are consistent with the directions shown in the accompanying drawings.

[0034] An automatic loading and unloading packaging equipment for four-fold packaging boxes, such as Figures 1 to 11As shown, it includes a mounting frame 1, on which a folding mechanism 2 for folding a packaging box cardboard into a three-dimensional packaging box is provided, above the folding mechanism 2 is provided a feeding mechanism 13 for placing packaging materials in the packaging box, and below the folding mechanism 2 is provided a feeding mechanism 27 for conveying the packaging box out; when the packaging equipment is in operation, the packaging box cardboard is first preliminarily folded into a three-dimensional packaging box shape by the folding mechanism 2, and at the same time, the feeding mechanism 13 drives the product material to the top of the packaging box, and after the folding mechanism 2 completes the preliminary folding of the packaging box cardboard, the product material is placed in the packaging box, and then , the unloading mechanism 27 operates to move the filled packaging box to the discharge port position. At the same time, during the movement and transmission of the packaging box, the side panel and the bottom panel of the packaging box are formed into a vertical state through the positioning device 40 and the shaping device 45 in the unloading mechanism 27, so that the packaging box is bonded and fixed into shape by the glue applied in advance on the packaging box cardboard; the integrated packaging equipment can realize the full automation of the packaging box folding, product material boxing, and packaging and transmission processes through the above steps, and the folding mechanism 2, the loading mechanism 13 and the unloading mechanism 27 are provided with multiple groups, which can effectively reduce labor costs and improve packaging efficiency.

[0035] Specifically, Figure 3 As shown, the folding mechanism 2 includes a material support 3 for placing packaging box cardboard, a suction cup 4 for grabbing the packaging box cardboard is provided below the material support 3, a lifting device 6 for driving the suction cup 4 to move up and down is provided on one side of the suction cup 4, and a folding baffle 5 for folding the packaging box cardboard when the suction cup 4 moves downward is provided on the material support 3 and around the suction cup 4; the suction cup 4 is adsorbed on the bottom plate position of the packaging box cardboard to grab the packaging box cardboard, and in the process of the lifting device 6 driving the suction cup 4 and the packaging box cardboard to move downward, the side panels around the packaging box cardboard will be blocked by the folding baffle 5, so that the side panels of the packaging box are bent according to the creases of the packaging box itself to form a three-dimensional packaging box shape, completing the initial folding of the packaging box.

[0036] In addition, if Figure 4 and Figure 5As shown, the lifting device 6 includes a fixed bracket 7 fixedly mounted on the mounting frame 1, a first motor 8 and a lifting slide rail 11 are provided on the fixed bracket 7, a lifting slider 12 is provided on the lifting slide rail 11, the suction cup 4 is fixedly connected to the lifting slider 12, and first synchronous wheels 9 are provided at both ends of the moving stroke of the suction cup 4, one of the first synchronous wheels 9 is mounted on the first motor 8, and the other is rotatably mounted on the fixed bracket 7, a first synchronous belt 10 is provided on the first synchronous wheel 9, and the lifting slider 12 is fixedly connected to the first synchronous belt 10; the first motor 8 drives the first synchronous wheel 9 to rotate, so that the first synchronous belt 10 moves, the lifting slider 12 is clamped with the lifting slide rail 11 and is clamped and fixed on the first synchronous belt 10 by a clamp, so that the lifting slider 12 drives the suction cup 4 to move synchronously with the first synchronous belt 10 on the lifting slide rail 11.

[0037] Specifically, Figure 6 and Figure 7 As shown, the feeding mechanism 13 includes a hopper 14 with an openable bottom surface and a swing arm 15 for driving the hopper 14 to swing back and forth. A power device 16 for driving the swing arm 15 to rotate back and forth is provided on the mounting frame 1 and above the swing arm 15. A moving device 20 for driving the hopper 14 to move back and forth along the swing arm 15 is provided on the side of the swing arm 15 close to the hopper 14. When the folding mechanism 2 completes the preliminary folding of the packaging box, a three-dimensional packaging box shape is formed. Finally, the swing arm 15 and the moving device 20 drive the hopper 14 filled with product materials to move to just above the packaging box. At the same time, the cylinder in the hopper 14 drives the bottom plate of the hopper 14 to open, so that the product materials in the hopper 14 fall into the packaging box, completing the packing of the product materials. Then, the cylinder in the hopper 14 drives the bottom plate of the hopper 14 to close, and the swing arm 15 and the moving device 20 drive the empty hopper 14 to return to the initial loading position, and enter the next packing process.

[0038] In addition, if Figure 6 and Figure 7As shown, the power device 16 includes a reduction motor 17 fixedly mounted on the mounting frame 1 and a power arm 18 connected to the reduction motor 17, a connecting rod 19 is provided at the end of the power arm 18, and the two ends of the connecting rod 19 are rotatably connected to the power arm 18 and the swing arm 15, the reduction motor 17 drives the power arm 18 to reciprocate, and the power arm 18 drives the swing arm 15 to reciprocate in the up and down directions through the connecting rod 19; the moving device 20 includes a second motor 21, a second synchronous wheel 22 and a second synchronous belt 23 installed on the second synchronous wheel 22, a moving slide rail 24 is provided on the swing arm 15, and a fixedly connected second synchronous belt 23 is provided on the moving slide rail 24 A movable slider 25, the hopper 14 is fixedly mounted on the movable slider 25, the second motor 21 is mounted at the bottom end of the swing arm 15, two second synchronous wheels 22 are provided and are respectively located at the two ends of the moving stroke of the hopper 14, one of the two second synchronous wheels 22 is mounted on the second motor 21, and the other is rotatably mounted at the end of the swing arm 15; the second motor 21 drives the second synchronous wheel 22 to rotate, so that the second synchronous belt 23 moves, the movable slider 25 is clamped with the movable slide rail 24 and is clamped and fixed on the second synchronous belt 23 by a clamp, and when the hopper 14 moves with the swing arm 15, the movable slider 25 drives the hopper 14 to move synchronously with the second synchronous belt 23 on the movable slide rail 24.

[0039] In addition, if Figure 1 , Figure 6 and Figure 7 As shown, the feeding mechanism 13 is provided with several groups and the two feeding mechanisms 13 in each group are installed relatively to each other, each feeding mechanism 13 corresponds to one hopper 14, and the two hoppers 14 in each group of the feeding mechanism 13 run alternately, and a positioning shaft 26 for limiting the rotation center of the swing arm 15 is provided between the two swing arms 15 in each group of the feeding mechanism 13, and the positioning shaft 26 is installed on the mounting frame 1 through a plurality of fixing plates, and each of the folding mechanisms 2 corresponds to a group of the feeding mechanisms 13. Since the strokes of the folding mechanisms 2 and the unloading mechanisms 27 are shorter and the operation is completed faster, the two feeding mechanisms 13 respectively drive the two hoppers 14 to perform product material packing operations alternately, which can effectively improve the feeding efficiency.

[0040] Specifically, Figure 8 to Figure 11As shown, the unloading mechanism 27 includes a base frame 28 fixedly mounted on the mounting frame 1, a conveying bracket 29 for receiving the packaging box on the suction cup 4 is provided above the base frame 28, a conveying device 32 for driving the packaging box to move is provided on the base frame 28, a positioning device 40 for preventing the packaging box from tipping over or deviating from a predetermined moving trajectory is provided on the conveying device 32, positioning pieces 30 for guiding the falling position of the packaging box are provided on both sides of the conveying bracket 29 close to one end of the suction cup 4, guide plates 31 for guiding the folding direction of the side panels of the packaging box are provided on both sides of the top surface of the conveying bracket 29 and below the positioning pieces 30, and a shaping device 45 for folding the side panels of the packaging box into a right angle with the bottom panel of the packaging box is provided on the conveying bracket 29 and at the end of the guide plate 31; when the lifting device 6 drives the suction cup 4 to move, the lifting device 6 drives the suction cup 4 to move. Under the guidance of the positioning plate 30, the packaging box is moved to the conveying bracket 29. At this time, the lower end of the side panel of the packaging box is in contact with the guide plate 31. Since the guide plate 31 is inclined, it will guide the side panel of the packaging box to bend along the crease. At the same time, the positioning device 40 operates to clamp the packaging box and push the packaging box through the conveying device 32 to leave the suction cup 4 and move toward the discharge port. After the packaging box leaves the suction cup 4, the suction cup 4 is reset under the drive of the lifting device 6 to perform the next folding operation. In the process of moving and conveying the packaging box, the side panel and the bottom plate of the packaging box are formed into a vertical state through the shaping device 45, so that the packaging box is bonded and fixed into shape by the glue applied in advance on the cardboard of the packaging box. Finally, the conveying device 32 pushes the fixed packaging box to the discharge port and then resets it in the reverse direction to perform the next transportation operation.

[0041] In addition, if Figure 8 to Figure 11As shown, the conveying device 32 includes a third motor 33 fixedly mounted on one end of the base frame 28, a transmission shaft 34 connected to the third motor 33 is rotatably provided on the base frame 28, third synchronous wheels 35 rotatably mounted on the base frame 28 and fixedly mounted on the transmission shaft 34 are respectively provided at both ends of the base frame 28, a third synchronous belt 36 is provided on the third synchronous wheel 35, a conveying slide rail 37 is provided on the base frame 28 and below the conveying bracket 29, and a transmission slide rail 37 is provided fixedly connected to the third synchronous belt 36 A conveying slider 38 is fixedly connected, and a push plate 39 for resisting the packaging box is provided at one end of the conveying slider 38 close to the lifting device 6; the third motor 33 drives the third synchronous wheel 35 to rotate, so that the third synchronous belt 36 moves, the conveying slider 38 is clamped with the conveying slide rail 37 and is clamped and fixed on the third synchronous belt 36 by a clamp, the conveying slider 38 drives the push plate 39 to move synchronously with the third synchronous belt 36 on the conveying slide rail 37, and the packaging box moves toward the discharge port on the conveying bracket 29 under the push of the push plate 39.

[0042] In addition, if Figure 8 to Figure 11 As shown, the positioning device 40 includes a telescopic motor 41 rotatably mounted on one side of the conveying slider 38, a rotating shaft 42 is rotatably provided at one end of the conveying slider 38 away from the push plate 39, a connecting piece 43 is provided between the telescopic motor 41 and the rotating shaft 42, one end of the connecting piece 43 is fixedly connected to the rotating shaft 42, and the other end is rotatably connected to the telescopic motor 41, and a clamping plate 44 that rotates synchronously with the rotating shaft 42 is provided on the rotating shaft 42 corresponding to the push plate 39; when the lifting device 6 drives the suction cup 4 to move the packaging box to the conveying bracket 29, at this time, the packaging box One side of the box rests on the push plate 39, and the telescopic motor 41 extends outward, pushing the rotating shaft 42 to rotate through the connecting piece 43, so as to drive the clamping plate 44 to rotate, so that the clamping plate 44 is pressed against the other side of the packaging box, and the clamping plate 44 and the push plate 39 clamp the packaging box for positioning to prevent the packaging box from tipping over or deviating from the predetermined moving trajectory during transportation. When the packaging box moves to the discharge port, the telescopic motor 41 retracts and pulls the rotating shaft 42 to rotate in the opposite direction through the connecting piece 43, so as to drive the clamping plate 44 to rotate in the opposite direction, so as to reset the clamping plate 44, so as to facilitate the reverse reset of the conveying device 32.

[0043] In addition, if Figure 8 to Figure 11As shown, the shaping device 45 includes a cylinder 46, on which a push rod 47 is telescopically movable, and a pressure plate 48 is fixedly installed at the end of the push rod 47. The shaping device 45 is provided with two and is respectively installed on both sides of the conveying bracket 29; when the packaging box moves to the position of the shaping device 45, the cylinders 46 on both sides of the conveying bracket 29 simultaneously push the pressure plates 48 through the push rod 47 to push the side panels on both sides of the packaging box to bend, so that the side panels and the bottom panel of the packaging box form a vertical state, so that the packaging box is bonded and fixed into shape by the glue applied in advance on the cardboard of the packaging box.

[0044] The embodiments described in the present invention are merely descriptions of preferred implementation modes of the present invention and are not limited to the precise structures described above and shown in the accompanying drawings. Various modifications and changes can be made without departing from the scope thereof. Without departing from the design concept of the present invention, various modifications and improvements made to the technical solutions of the present invention by engineers and technicians in this field should all fall within the protection scope of the present invention.

Claims

1. An automatic loading and unloading packaging equipment for four-fold packaging boxes, characterized by: The invention comprises a mounting frame (1), on which a folding mechanism (2) is provided for folding a packaging box cardboard into a three-dimensional packaging box, above which a loading mechanism (13) is provided for placing packaging materials in the packaging box, and below which a unloading mechanism (27) is provided for conveying the packaging box.

2. The automatic loading and unloading packaging equipment for four-folding packaging boxes according to claim 1 is characterized in that: The folding mechanism (2) comprises a material support (3) for placing packaging box paperboard, a suction cup (4) for grabbing the packaging box paperboard is provided below the material support (3), a lifting device (6) for driving the suction cup (4) to move up and down is provided on one side of the suction cup (4), and a folding baffle (5) for folding the packaging box paperboard when the suction cup (4) moves downward is provided on the material support (3) and around the suction cup (4).

3. The automatic loading and unloading packaging equipment for four-folding packaging boxes according to claim 2 is characterized in that: The lifting device (6) comprises a fixed bracket (7) fixedly mounted on the mounting frame (1); a first motor (8) and a lifting slide rail (11) are arranged on the fixed bracket (7); a lifting slider (12) is arranged on the lifting slide rail (11); the suction cup (4) is fixedly connected to the lifting slider (12); first synchronous wheels (9) are arranged at both ends of the moving stroke of the suction cup (4); one of the first synchronous wheels (9) is mounted on the first motor (8) and the other is rotatably mounted on the fixed bracket (7); a first synchronous belt (10) is arranged on the first synchronous wheel (9); and the lifting slider (12) is fixedly connected to the first synchronous belt (10).

4. The automatic loading and unloading packaging equipment for four-folding packaging boxes according to any one of claims 1 to 3, characterized in that: The feeding mechanism (13) comprises a hopper (14) whose bottom surface can be opened and closed, and a swing arm (15) for driving the hopper (14) to swing back and forth. A power device (16) for driving the swing arm (15) to rotate back and forth is provided on the mounting frame (1) and above the swing arm (15). A moving device (20) for driving the hopper (14) to move back and forth along the swing arm (15) is provided on the side surface of the swing arm (15) close to the hopper (14).

5. The automatic loading and unloading packaging equipment for four-folding packaging boxes according to claim 4 is characterized in that: The power device (16) comprises a reduction motor (17) fixedly mounted on the mounting frame (1) and a power arm (18) connected to the reduction motor (17); a connecting rod (19) is provided at the end of the power arm (18); two ends of the connecting rod (19) are rotatably connected to the power arm (18) and the swing arm (15); the moving device (20) comprises a second motor (21), a second synchronous wheel (22) and a second synchronous belt (23) mounted on the second synchronous wheel (22); 5), a movable slide rail (24) is provided on the movable slide rail (24), a movable slider (25) fixedly connected to the second synchronous belt (23) is provided on the movable slide rail (24), the hopper (14) is fixedly mounted on the movable slider (25), the second motor (21) is mounted at the bottom end of the swing arm (15), two second synchronous wheels (22) are provided and are respectively located at the two ends of the moving stroke of the hopper (14), one of the two second synchronous wheels (22) is mounted on the second motor (21), and the other is rotatably mounted at the end of the swing arm (15).

6. The automatic loading and unloading packaging equipment for four-folding packaging boxes according to claim 4 is characterized in that: The feeding mechanisms (13) are provided in a plurality of groups, and the two feeding mechanisms (13) in each group are installed opposite to each other, each feeding mechanism (13) corresponds to one hopper (14), and the two hoppers (14) in each group of feeding mechanisms (13) operate alternately. A positioning shaft (26) for defining the rotation center of the swing arm (15) is provided between the two swing arms (15) in each group of feeding mechanisms (13).

7. The automatic loading and unloading packaging equipment for four-folding packaging boxes according to claim 2 or 3, characterized in that: The unloading mechanism (27) comprises a base frame (28) fixedly mounted on the mounting frame (1); a conveying bracket (29) for receiving the packaging box on the suction cup (4) is arranged above the base frame (28); a conveying device (32) for driving the packaging box to move is arranged on the base frame (28); a positioning device (40) for preventing the packaging box from tipping over or deviating from a predetermined moving track is arranged on the conveying device (32); positioning pieces (30) for guiding the falling position of the packaging box are arranged on both sides of the conveying bracket (29) near one end of the suction cup (4); guide plates (31) for guiding the folding direction of the side panels of the packaging box are arranged on both sides of the top surface of the conveying bracket (29) and below the positioning pieces (30); and a shaping device (45) for folding the side panels of the packaging box and the bottom panel of the packaging box into a right angle is arranged on the conveying bracket (29) and at the end of the guide plates (31).

8. The automatic loading and unloading packaging equipment for four-folding packaging boxes according to claim 7 is characterized in that: The conveying device (32) comprises a third motor (33) fixedly mounted on one end of the base frame (28); a transmission shaft (34) connected to the third motor (33) is rotatably provided on the base frame (28); third synchronous wheels (35) rotatably mounted on the base frame (28) and fixedly mounted on the transmission shaft (34) are respectively provided at both ends of the base frame (28); a third synchronous belt (36) is provided on the third synchronous wheel (35); a conveying slide rail (37) is provided on the base frame (28) and below the conveying bracket (29); a conveying slider (38) fixedly connected to the third synchronous belt (36) is provided on the conveying slide rail (37); and a push plate (39) for resisting against a packaging box is provided at one end of the conveying slider (38) close to the lifting device (6).

9. The automatic loading and unloading packaging equipment for four-folding packaging boxes according to claim 8 is characterized in that: The positioning device (40) includes a telescopic motor (41) rotatably mounted on one side of the conveying slider (38); a rotating shaft (42) is rotatably provided at one end of the conveying slider (38) away from the push plate (39); a connecting piece (43) is provided between the telescopic motor (41) and the rotating shaft (42); one end of the connecting piece (43) is fixedly connected to the rotating shaft (42), and the other end is rotatably connected to the telescopic motor (41); and a clamping plate (44) that rotates synchronously with the rotating shaft (42) is provided on the rotating shaft (42) corresponding to the push plate (39).

10. The automatic loading and unloading packaging equipment for four-folding packaging boxes according to claim 7, characterized in that: The shaping device (45) comprises a cylinder (46), a push rod (47) is telescopically movable on the cylinder (46), a pressing plate (48) is fixedly mounted at the end of the push rod (47), and two shaping devices (45) are provided and are respectively mounted on both sides of the conveying bracket (29).

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