A carton sealing machine

Abstract

The present invention discloses a carton sealing machine, comprising a frame, a conveying unit, a long-side edge sealing mechanism, a first short-side edge sealing mechanism and a second short-side edge sealing mechanism; the conveying unit is arranged on the frame, and the long-side edge sealing mechanism, the first short-side edge sealing mechanism and the second short-side edge sealing mechanism are respectively arranged on the frame in sequence along the conveying direction of the conveying unit; the long-side edge sealing mechanism is used for edge sealing the long side of a box body; the first short-side edge sealing mechanism is used for edge sealing one short side of a box body; the second short-side edge sealing mechanism is used for edge sealing the other short side of the box body; the present application aims to provide a carton sealing machine, which can complete the edge sealing work of the long side and two short sides of a box body, and the edge sealing effect is stable and fast, thereby greatly improving the production efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging equipment, and in particular to a carton sealing machine. Background Art

[0002] The existing box packaging process generally uses manual packaging by workers, which is inefficient. When packaging some larger boxes, manual edge sealing is used, which is even less efficient. There are some box sealing machines on the market that can bend and seal the edges of the box, but the effect is relatively simple. Generally, they can only complete the edge sealing work on one side. Multiple production lines need to be set up to complete the edge sealing of the three sides of the box. Setting up multiple production lines undoubtedly increases the production cost of the enterprise and also takes up more space. Summary of the invention

[0003] The purpose of the present invention is to provide a box sealing machine, which can complete the edge sealing work of the long side and two short sides of the box body, and the edge sealing effect is stable and fast, which greatly improves the production efficiency.

[0004] To achieve this object, the present invention adopts the following technical solution: a carton sealing machine, comprising a frame, a conveying unit, a long-side edge sealing mechanism, a first short-side edge sealing mechanism and a second short-side edge sealing mechanism;

[0005] The conveying unit is arranged on the frame, and the long edge sealing mechanism, the first short edge sealing mechanism and the second short edge sealing mechanism are arranged on the frame in sequence along the conveying direction of the conveying unit;

[0006] The long edge sealing mechanism is used to seal the long edges of the box body;

[0007] The first short-side sealing mechanism is used to seal a short side of the box body;

[0008] The second short side sealing mechanism is used to seal the other short side of the box body.

[0009] Preferably, the long side sealing mechanism includes a long side glue spraying unit, a pressing unit and a long side push plate unit. The long side glue spraying unit is arranged on the frame, and the long side glue spraying unit is used to spray glue on the long side of the box body; the pressing unit is arranged on the frame, and the pressing unit is located above the conveying unit, and the pressing unit is used to press down the box cover; the long side push plate unit is arranged on the frame, and the long side push plate unit is located on the side of the pressing unit, and the long side push plate unit is used to fold the pressed box cover.

[0010] Preferably, the long side glue spraying unit comprises a long side glue spraying mounting frame and a long side glue spraying gun, the long side glue spraying mounting frame is arranged on the frame, the long side glue spraying gun is arranged on the long side glue spraying mounting frame, and the output end of the long side glue spraying gun is opposite to the long side of the box body;

[0011] The pressing unit comprises a long side capping mechanism, and the long side capping mechanism comprises a capping mounting plate, a capping rod and a capping cylinder;

[0012] The capping mounting plates are provided with two, and the two capping mounting plates are arranged on the frame at intervals along the conveying direction of the conveying unit, one end of the capping rod is hinged to one of the capping mounting plates, the other end of the capping rod is hinged to the output end of the capping cylinder, and the capping cylinder is hinged to the other capping mounting plate.

[0013] Preferably, the pressing unit further comprises a long side pressing plate mechanism, and the long side pressing plate mechanism comprises a pressing plate guide seat, a pressing plate guide rod, a pressing plate mounting seat, a pressing plate cylinder and a long side pressing plate;

[0014] There are two pressure plate guide seats, and the two pressure plate guide seats are arranged on the frame at intervals along the conveying direction of the conveying unit. There are two pressure plate guide rods, and one end of the two pressure plate guide rods are respectively slidably connected to the pressure plate guide seats, and the other ends of the two pressure plate guide rods are respectively connected to the long side pressure plates. The pressure plate mounting seat is arranged between the two pressure plate guide seats, and the pressure plate cylinder is arranged on the pressure plate mounting seat, and the output end of the pressure plate cylinder is connected to the long side pressure plate.

[0015] Preferably, the long side push plate unit comprises a push plate guide seat, a push plate guide rod, a push plate mounting seat, a push plate cylinder and a long side push plate;

[0016] The push plate guide seats are provided with two, and the two push plate guide seats are arranged on the frame at intervals along the conveying direction of the conveying unit, the push plate guide rods are provided with two, and one end of the two push plate guide rods is respectively slidably connected to the push plate guide seats, and the other ends of the two push plate guide rods are respectively connected to the long side push plates, the push plate mounting seat is arranged between the two push plate guide seats, the push plate cylinder is arranged on the push plate mounting seat, and the output end of the push plate cylinder is connected to the long side push plate;

[0017] The push plate guide rod and the push plate cylinder are both in an inclined state, the long side push plate is arranged in a vertical direction, and the output end of the push plate cylinder drives the long side push plate to press the long side of the box body.

[0018] Preferably, it further comprises a first positioning mechanism and a second positioning mechanism, wherein the first positioning mechanism and the second positioning mechanism are both arranged on the frame, the first positioning mechanism is located between the long-side edge sealing mechanism and the first short-side edge sealing mechanism, and the second positioning mechanism is located on the side of the second short-side edge sealing mechanism;

[0019] The first positioning mechanism includes a first positioning sensing switch, a second positioning sensing switch, a first mounting plate, a first positioning lifting portion, a first positioning guide seat, a first positioning guide rod and a first positioning baffle;

[0020] The first positioning sensing switch and the second positioning sensing switch are both arranged on the frame, and the first positioning sensing switch is located between the long-side edge sealing mechanism and the first short-side edge sealing mechanism, and the second positioning sensing switch is arranged on the side of the first short-side edge sealing mechanism, the first mounting plate is arranged on the frame along the width direction of the conveying unit, the first positioning lifting part is arranged on the first mounting plate along the vertical direction, the lower end of the first positioning baffle is connected to the output end of the first positioning lifting part, the first positioning guide seat is arranged on the first mounting plate along the vertical direction, one end of the first positioning guide rod is connected to the first positioning baffle, and the other end of the first positioning guide rod is movably penetrated through the first positioning guide seat;

[0021] The second positioning mechanism includes a third positioning sensing switch, a second mounting plate, a second positioning lifting part, a second positioning guide seat, a second positioning guide rod and a second positioning baffle. The third positioning sensing switch is arranged on the frame, the third positioning sensing switch is arranged on the side of the second short edge sealing mechanism, and the output end of the third positioning sensing switch is opposite to the box body. The second mounting plate is arranged on the frame along the width direction of the conveying unit, the second positioning lifting part is arranged on the second mounting plate along the vertical direction, the lower end of the second positioning baffle is connected to the output end of the first positioning lifting part, the second positioning guide seat is arranged on the second mounting plate, one end of the second positioning guide rod is connected to the second positioning baffle, and the other end of the second positioning guide rod is movably penetrated through the second positioning guide seat.

[0022] Preferably, it further comprises an auxiliary long edge sealing mechanism, wherein the auxiliary long edge sealing mechanism comprises an auxiliary long edge pressing unit and an auxiliary long edge pressing plate unit;

[0023] The auxiliary long side capping unit comprises an auxiliary capping mounting plate, an auxiliary capping rod and an auxiliary capping cylinder;

[0024] The auxiliary capping mounting plates are provided with two, and the two auxiliary capping mounting plates are arranged on the frame at intervals along the conveying direction of the conveying unit, one end of the auxiliary capping rod is hinged to one of the auxiliary capping mounting plates, the other end of the auxiliary capping rod is hinged to the output end of the auxiliary capping cylinder, and the auxiliary capping cylinder is hinged to the other auxiliary capping mounting plate;

[0025] The auxiliary long side pressing plate unit comprises an auxiliary pressing plate guide seat, an auxiliary pressing plate guide rod, an auxiliary pressing plate mounting seat, an auxiliary pressing plate cylinder and an auxiliary long side pressing plate;

[0026] There are two auxiliary pressure plate guide seats, and the two auxiliary pressure plate guide seats are arranged on the frame at intervals along the conveying direction of the conveying unit. There are two auxiliary pressure plate guide rods, and one end of the two auxiliary pressure plate guide rods is slidably connected to the auxiliary pressure plate guide seat, and the other ends of the two auxiliary pressure plate guide rods are connected to the auxiliary long side pressure plate. The auxiliary pressure plate mounting seat is arranged between the two auxiliary pressure plate guide seats, and the auxiliary pressure plate cylinder is arranged on the auxiliary pressure plate mounting seat, and the output end of the auxiliary pressure plate cylinder is connected to the auxiliary long side pressure plate.

[0027] Preferably, it further comprises a box clamping unit, wherein the box clamping unit comprises a stopper, a box clamping driving assembly and a clamping claw assembly;

[0028] The stopper is arranged on the frame, and the stopper and the clamping claw assembly cooperate to clamp the box body;

[0029] The clamp box driving assembly includes a clamp box mounting frame, a clamp box rotating shaft, a clamp box driving motor and a clamp box belt group;

[0030] The two clamping box mounting frames are provided with two, and the two clamping box mounting frames are spaced apart from each other on the frame along the width direction of the conveying unit, the two clamping box rotating shafts are provided with two, and the two clamping box rotating shafts are rotatably provided on the clamping box mounting frames, the clamping box driving motor is provided on one of the clamping box mounting frames, and the output end of the clamping box driving motor is connected to the corresponding clamping box rotating shaft, the clamping box belt group is provided between the two clamping box rotating shafts, and the clamping box belt group is connected to the clamping claw assembly;

[0031] The clamping jaw assembly comprises a clamping jaw guide portion, a clamping jaw connecting frame, a clamping jaw guide seat, a clamping jaw lifting rod, a clamping jaw cylinder, a clamping jaw fixing frame and a clamping jaw;

[0032] The two jaw guide parts are provided with two, and the two jaw guide parts are located on both sides of the clamp box driving assembly, the jaw connecting frame is installed on the two jaw guide parts, and the jaw connecting frame is connected to the clamp box belt group, the jaw guide seat is arranged on the jaw connecting frame in the vertical direction, the jaw lifting rod is slidably arranged on the jaw guide seat, the jaw cylinder is arranged on the jaw connecting frame in the vertical direction, and the output end of the jaw cylinder is connected to the jaw fixing frame, a plurality of jaws are provided, and each of the jaws is arranged at intervals along the length direction of the jaw fixing frame.

[0033] Preferably, the first short-side edge sealing mechanism comprises a first short-side pressing plate unit and a first short-side pushing plate unit;

[0034] The first short side pressing plate unit comprises a first short side pressing plate guide seat, a first short side pressing plate guide rod, a first short side pressing plate mounting seat, a first short side pressing plate cylinder and a first short side pressing plate;

[0035] There are two first short side pressure plate guide seats, and the two first short side pressure plate guide seats are arranged on the frame at intervals along the width direction of the conveying unit, there are two first short side pressure plate guide rods, and one end of the two first short side pressure plate guide rods are respectively slidably connected to the corresponding first short side pressure plate guide seats, and the other ends of the two first short side pressure plate guide rods are respectively connected to the first short side pressure plate, the first short side pressure plate mounting seat is arranged between the two first short side pressure plate guide seats, the first short side pressure plate cylinder is arranged on the first short side pressure plate mounting seat, and the output end of the first short side pressure plate cylinder is connected to the first short side pressure plate;

[0036] The first short side push plate unit comprises a first short side push plate guide seat, a first short side push plate guide rod, a first short side push plate mounting seat, a first short side push plate cylinder and a first short side push plate;

[0037] There are two first short side push plate guide seats, and the two first short side push plate guide seats are arranged on the frame at intervals along the conveying direction of the conveying unit, there are two first short side push plate guide rods, and one end of the two first short side push plate guide rods are respectively slidably connected to the first short side push plate guide seats, and the other ends of the two first short side push plate guide rods are respectively connected to the first short side push plate, the first short side push plate mounting seat is arranged between the two first short side push plate guide seats, the first short side push plate cylinder is arranged on the first short side push plate mounting seat, and the output end of the first short side push plate cylinder is connected to the first short side push plate;

[0038] The first short side push plate guide rod and the first short side push plate cylinder are both in an inclined state, the first short side push plate is arranged in a vertical direction, and the output end of the first short side push plate cylinder drives the first short side push plate to press one short side of the box body;

[0039] The second short-side edge sealing mechanism comprises a second short-side pressing plate unit and a second short-side pushing plate unit;

[0040] The second short side pressing plate unit comprises a second short side pressing plate guide seat, a second short side pressing plate guide rod, a second short side pressing plate mounting seat, a second short side pressing plate cylinder and a second short side pressing plate;

[0041] Two second short side pressure plate guide seats are provided, and the two second short side pressure plate guide seats are arranged on the frame at intervals along the width direction of the conveying unit, two second short side pressure plate guide rods are provided, and one end of the two second short side pressure plate guide rods are respectively slidably connected to the corresponding second short side pressure plate guide seats, and the other ends of the two second short side pressure plate guide rods are respectively connected to the second short side pressure plate, the second short side pressure plate mounting seat is arranged between the two second short side pressure plate guide seats, the second short side pressure plate cylinder is arranged on the second short side pressure plate mounting seat, and the output end of the second short side pressure plate cylinder is connected to the second short side pressure plate;

[0042] The second short side push plate unit comprises a second short side push plate guide seat, a second short side push plate guide rod, a second short side push plate mounting seat, a second short side push plate cylinder and a second short side push plate;

[0043] There are two second short side push plate guide seats, and the two second short side push plate guide seats are arranged on the frame at intervals along the conveying direction of the conveying unit, there are two second short side push plate guide rods, and one end of the two second short side push plate guide rods are respectively slidably connected to the second short side push plate guide seats, and the other ends of the two second short side push plate guide rods are respectively connected to the second short side push plates, the second short side push plate mounting seat is arranged between the two second short side push plate guide seats, the second short side push plate cylinder is arranged on the second short side push plate mounting seat, and the output end of the second short side push plate cylinder is connected to the second short side push plate;

[0044] The second short side push plate guide rod and the second short side push plate cylinder are both in an inclined state, the second short side push plate is arranged in a vertical direction, and the output end of the second short side push plate cylinder drives the second short side push plate to press the other short side of the box body;

[0045] The second short-side push plate guide rod and the first short-side push plate guide rod are in mirror symmetry in their inclination directions.

[0046] Preferably, it further comprises a first short side glue spraying unit and a second short side glue spraying unit; the first short side glue spraying unit comprises a first spray gun, a first guide rail, a first spray gun rack, a first spray gun motor and a first spray gun belt assembly;

[0047] The first spray gun motor is arranged on the frame, the first spray gun belt assembly is arranged on the frame along the width direction of the conveying unit, and the first spray gun belt assembly is connected to the output end of the first spray gun motor, the first spray gun frame is arranged on the first spray gun belt assembly, the first spray gun is arranged on the first spray gun frame, and the output end of the first spray gun is opposite to the first short edge sealing mechanism;

[0048] The second short-side glue spraying unit is a second spray gun, the second spray gun is arranged on the frame, and the output end of the second spray gun is opposite to the second short-side edge sealing mechanism.

[0049] The present application adopts the above-mentioned structure, and the box body is conveyed in an assembly line manner through the conveying unit, and with the cooperation of the long side sealing mechanism, the first short side sealing mechanism and the second short side sealing mechanism, the long side sealing, the first short side sealing and the second short side sealing are respectively completed, and the box sealing and packaging are carried out mechanically, which reduces the labor intensity of workers and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] The accompanying drawings further illustrate the present invention, but the contents in the accompanying drawings do not constitute any limitation to the present invention.

[0051] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0052] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention with part of the frame removed;

[0053] Figure 3 It is a three-dimensional structural schematic diagram of the long side edge sealing mechanism of the present invention;

[0054] Figure 4 It is a three-dimensional structural schematic diagram of the first short-side edge sealing mechanism and the second short-side edge sealing mechanism of the present invention;

[0055] Figure 5 is a schematic diagram of the three-dimensional structure of the first positioning mechanism of the present invention;

[0056] Figure 6 It is a three-dimensional structural schematic diagram of the clamping box unit of the present invention;

[0057] Figure 7 It is a schematic diagram of the top structure of the first short side glue spraying unit of the present invention.

[0058] Wherein: frame 1, conveying unit 2;

[0059] Long side edge sealing mechanism 3, long side glue spraying unit 31, pressing unit 32, long side capping mechanism 321, capping mounting plate 3211, capping rod 3212, capping cylinder 3213, long side pressing plate mechanism 322, pressing plate guide seat 3221, pressing plate guide rod 3222, pressing plate mounting seat 3223, pressing plate cylinder 3224, long side pressing plate 3225, long side push plate unit 33, push plate guide seat 331, push plate guide rod 332, push plate mounting seat 333, push plate cylinder 334, long side push plate 335;

[0060] The first short side sealing mechanism 4, the first short side pressing plate unit 41, the first short side pressing plate guide seat 411, the first short side pressing plate guide rod 412, the first short side pressing plate mounting seat 413, the first short side pressing plate cylinder 414, the first short side pressing plate 415, the first short side pushing plate unit 42, the first short side pushing plate guide seat 421, the first short side pushing plate guide rod 422, the first short side pushing plate mounting seat 423, the first short side pushing plate cylinder 424, the first short side pushing plate 425;

[0061] A second short-side sealing mechanism 5, a second short-side pressing plate unit 51, and a second short-side pushing plate unit 52;

[0062] A first positioning mechanism 6, a first positioning sensing switch 61, a second positioning sensing switch 62, a first mounting plate 63, a first positioning lifting portion 64, a first positioning guide seat 65, a first positioning guide rod 66, and a first positioning baffle 67;

[0063] A second positioning mechanism 7;

[0064] Auxiliary long edge sealing mechanism 8, auxiliary long edge capping unit 81, auxiliary long edge pressing plate unit 82;

[0065] The clamping box unit 9, the stopper 91, the clamping box driving assembly 92, the clamping box mounting frame 921, the clamping box rotating shaft 922, the clamping box driving motor 923, the clamping box belt group 924, the clamping claw assembly 93, the clamping claw guide part 931, the clamping claw connecting frame 932, the clamping claw guide seat 933, the clamping claw lifting rod 934, the clamping claw cylinder 935, the clamping claw fixing frame 936, and the clamping claw 937;

[0066] A first short-side glue spraying unit 10, a first spray gun 10a, a first guide rail 10b, a first spray gun rack 10c, a first spray gun motor 10d, and a first spray gun belt assembly 10e;

[0067] The second short side glue spraying unit 11 . DETAILED DESCRIPTION

[0068] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0069] In the description of the present invention, it is necessary to understand that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0070] See also Figures 1 to 7 As shown, a carton sealing machine of this embodiment includes a frame 1, a conveying unit 2, a long-side sealing mechanism 3, a first short-side sealing mechanism 4 and a second short-side sealing mechanism 5;

[0071] The conveying unit 2 is arranged on the frame 1, and the long edge sealing mechanism 3, the first short edge sealing mechanism 4 and the second short edge sealing mechanism 5 are arranged on the frame 1 in sequence along the conveying direction of the conveying unit 2;

[0072] The long edge sealing mechanism 3 is used to seal the long edges of the box body;

[0073] The first short edge sealing mechanism 4 is used to seal a short edge of the box body;

[0074] The second short-side sealing mechanism 5 is used to seal the other short side of the box.

[0075] With this structure, the box body is conveyed in an assembly line manner through the conveying unit 2, and with the cooperation of the long side sealing mechanism 3, the first short side sealing mechanism 4 and the second short side sealing mechanism 5, the long side sealing, the first short side sealing and the second short side sealing are completed respectively. The box sealing and packaging are carried out mechanically, which reduces the labor intensity of workers and improves production efficiency.

[0076] Preferably, the long side sealing mechanism 3 includes a long side glue spraying unit 31, a pressing unit 32 and a long side push plate unit 33. The long side glue spraying unit 31 is arranged on the frame 1, and the long side glue spraying unit 31 is used to spray glue on the long side of the box body; the pressing unit 32 is arranged on the frame 1, and the pressing unit 32 is located above the conveying unit 2, and the pressing unit 32 is used to press down the box cover; the long side push plate unit 33 is arranged on the frame 1, and the long side push plate unit 33 is located on the side of the pressing unit 32, and the long side push plate unit 33 is used to fold the pressed box cover.

[0077] With this structure, the long side glue spraying unit 31 sprays glue on the long side of the box during the box conveying process, and there is no need to install an additional mobile bracket, and the long side glue spraying unit 31 can be sprayed on the long side of the box without moving, so the glue spraying efficiency is high and the effect is stable. At the same time, the pressing unit 32 and the long side push plate unit 33 are used to press down the box cover and fold the long side of the box.

[0078] Preferably, the long side glue spraying unit 31 comprises a long side glue spraying mounting frame and a long side glue spraying gun, the long side glue spraying mounting frame is arranged on the frame 1, the long side glue spraying gun is arranged on the long side glue spraying mounting frame, and the output end of the long side glue spraying gun is opposite to the long side of the box body;

[0079] The pressing unit 32 includes a long side capping mechanism 321, and the long side capping mechanism 321 includes a capping mounting plate 3211, a capping rod 3212 and a capping cylinder 3213;

[0080] There are two cover mounting plates 3211, and the two cover mounting plates 3211 are arranged on the frame 1 at intervals along the conveying direction of the conveying unit 2, one end of the cover rod 3212 is hinged to one of the cover mounting plates 3211, and the other end of the cover rod 3212 is hinged to the output end of the cover cylinder 3213, and the cover cylinder 3213 is hinged to the other cover mounting plate 3211.

[0081] With this structure, the long side glue spraying mounting frame is provided with an adjustment long hole, which is convenient for adjusting the installation position of the long side glue spraying gun. The cover of the box body is pressed down by the cooperation of the cover pressing rod 3212, the cover pressing cylinder 3213 and the cover pressing mounting plate 3211. In the initial state, the cover pressing cylinder 3213 is in a retracted state, and the horizontal height of the lower end of the cover pressing cylinder 3213 is lower than the horizontal height of the other cover pressing rod 3212. The cover pressing rod 3212 adopts this inclined installation method, which is convenient for introducing the cover of the box body. According to actual production needs, the cover of the box body can be pressed down by the cover pressing cylinder 3213 to facilitate subsequent edge sealing work.

[0082] Preferably, the pressing unit 32 further includes a long side pressing plate mechanism 322, and the long side pressing plate mechanism 322 includes a pressing plate guide seat 3221, a pressing plate guide rod 3222, a pressing plate mounting seat 3223, a pressing plate cylinder 3224 and a long side pressing plate 3225;

[0083] There are two pressure plate guide seats 3221, and the two pressure plate guide seats 3221 are arranged on the frame 1 at intervals along the conveying direction of the conveying unit 2. There are two pressure plate guide rods 3222, and one ends of the two pressure plate guide rods 3222 are respectively slidably connected to the pressure plate guide seats 3221, and the other ends of the two pressure plate guide rods 3222 are respectively connected to the long side pressure plate 3225. The pressure plate mounting seat 3223 is arranged between the two pressure plate guide seats 3221. The pressure plate cylinder 3224 is arranged on the pressure plate mounting seat 3223, and the output end of the pressure plate cylinder 3224 is connected to the long side pressure plate 3225.

[0084] With this structure, the pressure plate guide seat 3221 and the pressure plate guide rod 3222 cooperate to play a good guiding role, so that the long side pressure plate 3225 can maintain a smooth rise and fall, and the long side pressure plate 3225 is driven to rise or fall by the pressure plate cylinder 3224. The lower end surface of the long side pressure plate 3225 contacts the lid of the box and presses down to close the lid of the box, making it convenient for the long side push plate unit 33 to bend the long side of the lid. The long side pressure plate 3225 plays a good fixing role to prevent the long side of the lid from collapsing when being bent.

[0085] Preferably, the long side push plate unit 33 includes a push plate guide seat 331, a push plate guide rod 332, a push plate mounting seat 333, a push plate cylinder 334 and a long side push plate 335;

[0086] There are two push plate guide seats 331, and the two push plate guide seats 331 are arranged on the frame 1 at intervals along the conveying direction of the conveying unit 2. There are two push plate guide rods 332, and one end of the two push plate guide rods 332 is respectively slidably connected to the push plate guide seats 331, and the other ends of the two push plate guide rods 332 are respectively connected to the long side push plate 335. The push plate mounting seat 333 is arranged between the two push plate guide seats 331. The push plate cylinder 334 is arranged on the push plate mounting seat 333, and the output end of the push plate cylinder 334 is connected to the long side push plate 335.

[0087] The push plate guide rod 332 and the push plate cylinder 334 are both in an inclined state, and the long side push plate 335 is arranged in the vertical direction. The output end of the push plate cylinder 334 drives the long side push plate 335 to press the long side of the box body.

[0088] With this structure, the push plate guide seat 331 and the push plate guide rod 332 cooperate to play a good guiding role. The push plate guide rod 332 is set to an inclined angle and cooperates with the inclined push plate cylinder 334. The push plate cylinder 334 drives the long side push plate 335 to press the long side of the box from the side direction. The long side push plate 335 set in the vertical direction can press the long side of the box tightly against the side wall of the box, thereby completing the long side sealing work of the box.

[0089] Preferably, it further comprises a first positioning mechanism 6 and a second positioning mechanism 7, wherein the first positioning mechanism 6 and the second positioning mechanism 7 are both arranged on the frame 1, the first positioning mechanism 6 is located between the long edge sealing mechanism 3 and the first short edge sealing mechanism 4, and the second positioning mechanism 7 is located on the side of the second short edge sealing mechanism 5;

[0090] The first positioning mechanism 6 includes a first positioning sensing switch 61, a second positioning sensing switch 62, a first mounting plate 63, a first positioning lifting portion 64, a first positioning guide seat 65, a first positioning guide rod 66 and a first positioning baffle 67;

[0091] The first positioning sensing switch 61 and the second positioning sensing switch 62 are both arranged on the frame 1, and the first positioning sensing switch 61 is located between the long-side edge sealing mechanism 3 and the first short-side edge sealing mechanism 4, the second positioning sensing switch 62 is arranged on the side of the first short-side edge sealing mechanism 4, the first mounting plate 63 is arranged on the frame 1 along the width direction of the conveying unit 2, the first positioning lifting part 64 is arranged on the first mounting plate 63 along the vertical direction, the lower end of the first positioning baffle 67 is connected to the output end of the first positioning lifting part 64, the first positioning guide seat 65 is arranged on the first mounting plate 63 along the vertical direction, one end of the first positioning guide rod 66 is connected to the first positioning baffle 67, and the other end of the first positioning guide rod 66 is movably penetrated through the first positioning guide seat 65;

[0092] The second positioning mechanism 7 includes a third positioning sensing switch, a second mounting plate, a second positioning lifting part, a second positioning guide seat, a second positioning guide rod and a second positioning baffle. The third positioning sensing switch is arranged on the frame 1, and the third positioning sensing switch is arranged on the side of the second short edge sealing mechanism 5, and the output end of the third positioning sensing switch is opposite to the box body. The second mounting plate is arranged on the frame 1 along the width direction of the conveying unit 2, and the second positioning lifting part is arranged on the second mounting plate along the vertical direction. The lower end of the second positioning baffle is connected to the output end of the first positioning lifting part, and the second positioning guide seat is arranged on the second mounting plate. One end of the second positioning guide rod is connected to the second positioning baffle, and the other end of the second positioning guide rod is movably penetrated through the second positioning guide seat.

[0093] In this embodiment, the first positioning sensing switch 61 is set on the frame 1 below the long edge sealing mechanism 3, the second positioning sensing switch 62 is set on the frame 1 below the first short edge sealing mechanism 4, and the third positioning sensing switch is set on the frame 1 below the second short edge sealing mechanism 5.

[0094] With this structure, through the cooperation of the first positioning mechanism 6 and the second positioning mechanism 7, when the box is being transported in the conveying unit 2, it is detected by the first positioning sensing switch 61, the first positioning lifting part 64 rises, driving the first positioning baffle 67 to rise, blocking the box from moving forward, and the long side sealing mechanism 3 works to seal the long sides of the box.

[0095] After the long side sealing is completed, the first positioning lifting part 64 descends to an appropriate height, and the box moves forward under the conveying of the conveying unit 2. When the main body of the box is detected by the second positioning sensing switch 62, the conveying unit 2 stops conveying, and the first short side sealing mechanism 4 completes the sealing of one short side of the box.

[0096] After one short side is sealed, the first positioning lifting part 64 is completely lowered, and the first positioning baffle 67 is lowered to below the conveying end surface of the conveying unit 2. The box body moves forward again under the conveyance of the conveying unit 2. When the main body of the box body is detected by the third positioning sensing switch, the conveying unit 2 stops conveying, and the second short side sealing mechanism 5 completes the sealing work of the other short side of the box body.

[0097] Preferably, it further comprises an auxiliary long edge sealing mechanism 8, wherein the auxiliary long edge sealing mechanism 8 comprises an auxiliary long edge pressing unit 81 and an auxiliary long edge pressing plate unit 82;

[0098] The auxiliary long side capping unit 81 includes an auxiliary capping mounting plate, an auxiliary capping rod and an auxiliary capping cylinder;

[0099] The auxiliary capping mounting plates are provided with two, and the two auxiliary capping mounting plates are arranged at intervals on the frame 1 along the conveying direction of the conveying unit 2, one end of the auxiliary capping rod is hinged to one of the auxiliary capping mounting plates, the other end of the auxiliary capping rod is hinged to the output end of the auxiliary capping cylinder, and the auxiliary capping cylinder is hinged to the other auxiliary capping mounting plate;

[0100] The auxiliary long side pressing plate unit 82 includes an auxiliary pressing plate guide seat, an auxiliary pressing plate guide rod, an auxiliary pressing plate mounting seat, an auxiliary pressing plate cylinder and an auxiliary long side pressing plate;

[0101] There are two auxiliary pressure plate guide seats, and the two auxiliary pressure plate guide seats are arranged on the frame 1 at intervals along the conveying direction of the conveying unit 2. There are two auxiliary pressure plate guide rods, and one end of the two auxiliary pressure plate guide rods is slidably connected to the auxiliary pressure plate guide seat, and the other ends of the two auxiliary pressure plate guide rods are connected to the auxiliary long side pressure plate. The auxiliary pressure plate mounting seat is arranged between the two auxiliary pressure plate guide seats, and the auxiliary pressure plate cylinder is arranged on the auxiliary pressure plate mounting seat, and the output end of the auxiliary pressure plate cylinder is connected to the auxiliary long side pressure plate.

[0102] With this structure, the auxiliary long edge sealing mechanism 8 performs auxiliary capping and auxiliary pressing actions on the long edges of the box, which is convenient for sealing the long edges of some longer boxes and prevents the situation where the long edges cannot be pressed together at the same time due to their large length when capping or pressing.

[0103] Preferably, it further comprises a box clamping unit 9, wherein the box clamping unit 9 comprises a stopper 91, a box clamping driving assembly 92 and a clamping claw assembly 93;

[0104] The stopper 91 is arranged on the frame 1, and the stopper 91 and the clamping claw assembly 93 cooperate to clamp the box body;

[0105] The clamp box driving assembly 92 includes a clamp box mounting frame 921, a clamp box rotating shaft 922, a clamp box driving motor 923 and a clamp box belt group 924;

[0106] The clamping box mounting frames 921 are provided with two, and the two clamping box mounting frames 921 are arranged on the frame 1 at intervals along the width direction of the conveying unit 2, the clamping box rotating shafts 922 are provided with two, and the two clamping box rotating shafts 922 are rotatably arranged on the clamping box mounting frames 921, the clamping box driving motor 923 is arranged on one of the clamping box mounting frames 921, and the output end of the clamping box driving motor 923 is connected to the corresponding clamping box rotating shaft 922, the clamping box belt group 924 is arranged between the two clamping box rotating shafts 922, and the clamping box belt group 924 is connected to the clamping claw assembly 93;

[0107] The clamping jaw assembly 93 includes a clamping jaw guide portion 931, a clamping jaw connecting frame 932, a clamping jaw guide seat 933, a clamping jaw lifting rod 934, a clamping jaw cylinder 935, a clamping jaw fixing frame 936 and a clamping jaw 937; two clamping jaw guide portions 931 are provided, and the two clamping jaw guide portions 931 are located on both sides of the clamping box driving assembly 92, the clamping jaw connecting frame 932 is installed on the two clamping jaw guide portions 931, and the clamping jaw connecting frame 932 is connected to the clamping box belt assembly 9 24 connection, the clamp guide seat 933 is arranged on the clamp connecting frame 932 along the vertical direction, the clamp lifting rod 934 is slidably arranged on the clamp guide seat 933, the clamp cylinder 935 is arranged on the clamp connecting frame 932 along the vertical direction, and the output end of the clamp cylinder 935 is connected to the clamp fixing frame 936, and a plurality of clamps 937 are arranged, and each of the clamps 937 is arranged at intervals along the length direction of the clamp fixing frame 936.

[0108] With this structure, the clamping jaw assembly 93 is driven to move along the width direction of the conveying unit 2 through the cooperation of the clamping box driving motor 923, the clamping box rotating shaft 922 and the clamping box belt group 924. In this embodiment, the clamping jaw guide part 931 includes a bracket, a guide connecting rod and a slide seat, and the slide seat is slidably sleeved on the guide connecting rod to play a good guiding role. The output end of the clamping jaw cylinder 935 drives the clamping jaw fixing frame 936 to rise or fall, thereby driving the clamping jaw 937, so that the upper end of the clamping jaw 937 is raised to the upper side of the conveying end surface of the conveying unit 2. At the same time, driven by the clamping box belt group 924, the upper end of the clamping jaw 937 cooperates with the stopper 91 to align the box body, so that the long side of the box body is close to one side of the long side edge sealing mechanism 3, which is convenient for sealing the long side of the box body.

[0109] Preferably, the first short-side edge sealing mechanism 4 includes a first short-side pressing plate unit 41 and a first short-side pushing plate unit 42;

[0110] The first short side pressing plate unit 41 includes a first short side pressing plate guide seat 411, a first short side pressing plate guide rod 412, a first short side pressing plate mounting seat 413, a first short side pressing plate cylinder 414 and a first short side pressing plate 415;

[0111] There are two first short side pressure plate guide seats 411, and the two first short side pressure plate guide seats 411 are spaced apart on the frame 1 along the width direction of the conveying unit 2, there are two first short side pressure plate guide rods 412, and one end of the two first short side pressure plate guide rods 412 are respectively slidably connected to the corresponding first short side pressure plate guide seats 411, and the other ends of the two first short side pressure plate guide rods 412 are respectively connected to the first short side pressure plate 415, the first short side pressure plate mounting seat 413 is arranged between the two first short side pressure plate guide seats 411, the first short side pressure plate cylinder 414 is arranged on the first short side pressure plate mounting seat 413, and the output end of the first short side pressure plate cylinder 414 is connected to the first short side pressure plate 415;

[0112] The first short side push plate unit 42 includes a first short side push plate guide seat 421, a first short side push plate guide rod 422, a first short side push plate mounting seat 423, a first short side push plate cylinder 424 and a first short side push plate 425;

[0113] There are two first short side push plate guide seats 421, and the two first short side push plate guide seats 421 are arranged on the frame 1 at intervals along the conveying direction of the conveying unit 2, there are two first short side push plate guide rods 422, and one end of the two first short side push plate guide rods 422 are respectively slidably connected to the first short side push plate guide seats 421, and the other ends of the two first short side push plate guide rods 422 are respectively connected to the first short side push plate 425, the first short side push plate mounting seat 423 is arranged between the two first short side push plate guide seats 421, the first short side push plate cylinder 424 is arranged on the first short side push plate mounting seat 423, and the output end of the first short side push plate cylinder 424 is connected to the first short side push plate 425;

[0114] The first short side push plate guide rod 422 and the first short side push plate cylinder 424 are both in an inclined state, the first short side push plate 425 is arranged in a vertical direction, and the output end of the first short side push plate cylinder 424 drives the first short side push plate 425 to press one short side of the box body;

[0115] The second short edge sealing mechanism 5 comprises a second short edge pressing plate unit 51 and a second short edge pushing plate unit 52;

[0116] The second short side pressing plate unit 51 includes a second short side pressing plate guide seat, a second short side pressing plate guide rod, a second short side pressing plate mounting seat, a second short side pressing plate cylinder and a second short side pressing plate;

[0117] Two second short side pressure plate guide seats are provided, and the two second short side pressure plate guide seats are arranged on the frame at intervals along the width direction of the conveying unit, two second short side pressure plate guide rods are provided, and one end of the two second short side pressure plate guide rods are respectively slidably connected to the corresponding second short side pressure plate guide seats, and the other ends of the two second short side pressure plate guide rods are respectively connected to the second short side pressure plate, the second short side pressure plate mounting seat is arranged between the two second short side pressure plate guide seats, the second short side pressure plate cylinder is arranged on the second short side pressure plate mounting seat, and the output end of the second short side pressure plate cylinder is connected to the second short side pressure plate;

[0118] The second short side push plate unit 52 includes a second short side push plate guide seat, a second short side push plate guide rod, a second short side push plate mounting seat, a second short side push plate cylinder and a second short side push plate;

[0119] There are two second short side push plate guide seats, and the two second short side push plate guide seats are arranged on the frame at intervals along the conveying direction of the conveying unit, there are two second short side push plate guide rods, and one end of the two second short side push plate guide rods are respectively slidably connected to the second short side push plate guide seats, and the other ends of the two second short side push plate guide rods are respectively connected to the second short side push plates, the second short side push plate mounting seat is arranged between the two second short side push plate guide seats, the second short side push plate cylinder is arranged on the second short side push plate mounting seat, and the output end of the second short side push plate cylinder is connected to the second short side push plate;

[0120] The second short side push plate guide rod and the second short side push plate cylinder are both in an inclined state, the second short side push plate is arranged in a vertical direction, and the output end of the second short side push plate cylinder drives the second short side push plate to press the other short side of the box body;

[0121] The second short-side push plate guide rod and the first short-side push plate guide rod are in mirror symmetry in their inclination directions.

[0122] With this structure, the working principles of the first short side sealing mechanism 4 and the second short side sealing mechanism 5 are similar to those of the long side sealing mechanism 3. The box body is pressed down and fixed by the first short side pressing plate unit 41 or the second short side pressing plate unit 51, and then the corresponding short sides are bent by the first short side pushing plate unit 42 or the corresponding second short side pushing plate unit 52, thereby completing the edge sealing of the two short sides of the box body.

[0123] Preferably, it also includes a first short side glue spraying unit 10 and a second short side glue spraying unit 11; the first short side glue spraying unit 10 includes a first spray gun 10a, a first guide rail 10b, a first spray gun rack 10c, a first spray gun motor 10d and a first spray gun belt assembly 10e; the first spray gun motor 10d is arranged on the frame 1, the first spray gun belt assembly 10e is arranged on the frame 1 along the width direction of the conveying unit 2, and the first spray gun belt assembly 10e is connected to the output end of the first spray gun motor 10d, the first spray gun rack 10c is arranged on the first spray gun belt assembly 10e, the first spray gun 10a is arranged on the first spray gun rack 10c, and the output end of the first spray gun 10a is opposite to the first short side edge sealing mechanism 4;

[0124] The second short-side glue spraying unit 11 is a second spray gun, which is disposed on the frame 1 , and an output end of the second spray gun is opposite to the second short-side edge sealing mechanism 5 .

[0125] With this structure, the first spray gun motor 10d drives the first spray gun belt assembly 10e to rotate, thereby driving the first spray gun frame 10c to reciprocate along the width direction of the conveying unit 2. During the movement of the first spray gun frame 10c, the first spray gun 10a or the second spray gun sprays glue on the short sides of the box. After the glue spraying is completed, the short sides of the box are bent and bonded, thereby completing the edge sealing work of the short sides.

[0126] The technical principle of the present invention is described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific implementations of the present invention without paying creative labor, and these methods will fall within the scope of protection of the present invention.

Claims

1. A carton sealing machine, characterized in that: It includes a frame, a conveying unit, a long side edge sealing mechanism, a first short side edge sealing mechanism and a second short side edge sealing mechanism; The conveying unit is arranged on the frame, and the long edge sealing mechanism, the first short edge sealing mechanism and the second short edge sealing mechanism are arranged on the frame in sequence along the conveying direction of the conveying unit; The long edge sealing mechanism is used to seal the long edges of the box body; The first short-side sealing mechanism is used to seal a short side of the box body; The second short side sealing mechanism is used to seal the other short side of the box body; The long side edge sealing mechanism comprises a long side glue spraying unit, a pressing unit and a long side push plate unit, wherein the long side glue spraying unit is arranged on the frame and used for spraying glue on the long side of the box body; the pressing unit is arranged on the frame and located above the conveying unit and used for pressing down the box cover; the long side push plate unit is arranged on the frame and located on the side of the pressing unit and used for folding the pressed box cover; The long side glue spraying unit comprises a long side glue spraying mounting frame and a long side glue spraying gun, wherein the long side glue spraying mounting frame is arranged on the frame, the long side glue spraying gun is arranged on the long side glue spraying mounting frame, and the output end of the long side glue spraying gun is opposite to the long side of the box body; The pressing unit comprises a long side capping mechanism, and the long side capping mechanism comprises a capping mounting plate, a capping rod and a capping cylinder; The capping mounting plates are provided with two, and the two capping mounting plates are arranged on the frame at intervals along the conveying direction of the conveying unit, one end of the capping rod is hinged to one of the capping mounting plates, the other end of the capping rod is hinged to the output end of the capping cylinder, and the capping cylinder is hinged to the other capping mounting plate; The pressing unit further comprises a long side pressing plate mechanism, which comprises a pressing plate guide seat, a pressing plate guide rod, a pressing plate mounting seat, a pressing plate cylinder and a long side pressing plate; The pressure plate guide seats are provided with two, and the two pressure plate guide seats are arranged on the frame at intervals along the conveying direction of the conveying unit, the pressure plate guide rods are provided with two, and one end of the two pressure plate guide rods is respectively slidably connected to the pressure plate guide seats, and the other ends of the two pressure plate guide rods are respectively connected to the long side pressure plate, the pressure plate mounting seat is arranged between the two pressure plate guide seats, the pressure plate cylinder is arranged on the pressure plate mounting seat, and the output end of the pressure plate cylinder is connected to the long side pressure plate; The long side push plate unit comprises a push plate guide seat, a push plate guide rod, a push plate mounting seat, a push plate cylinder and a long side push plate; The push plate guide seats are provided with two, and the two push plate guide seats are arranged on the frame at intervals along the conveying direction of the conveying unit, the push plate guide rods are provided with two, and one end of the two push plate guide rods is respectively slidably connected to the push plate guide seats, and the other ends of the two push plate guide rods are respectively connected to the long side push plates, the push plate mounting seat is arranged between the two push plate guide seats, the push plate cylinder is arranged on the push plate mounting seat, and the output end of the push plate cylinder is connected to the long side push plate; The push plate guide rod and the push plate cylinder are both in an inclined state, the long side push plate is arranged in a vertical direction, and the output end of the push plate cylinder drives the long side push plate to press the long side of the box body; It also includes an auxiliary long edge sealing mechanism, which includes an auxiliary long edge pressing unit and an auxiliary long edge pressing plate unit; The auxiliary long side capping unit comprises an auxiliary capping mounting plate, an auxiliary capping rod and an auxiliary capping cylinder; The auxiliary capping mounting plates are provided with two, and the two auxiliary capping mounting plates are arranged on the frame at intervals along the conveying direction of the conveying unit, one end of the auxiliary capping rod is hinged to one of the auxiliary capping mounting plates, the other end of the auxiliary capping rod is hinged to the output end of the auxiliary capping cylinder, and the auxiliary capping cylinder is hinged to the other auxiliary capping mounting plate; The auxiliary long side pressing plate unit comprises an auxiliary pressing plate guide seat, an auxiliary pressing plate guide rod, an auxiliary pressing plate mounting seat, an auxiliary pressing plate cylinder and an auxiliary long side pressing plate; The auxiliary pressure plate guide seats are provided with two, and the two auxiliary pressure plate guide seats are arranged on the frame at intervals along the conveying direction of the conveying unit, the auxiliary pressure plate guide rods are provided with two, and one end of the two auxiliary pressure plate guide rods is slidably connected to the auxiliary pressure plate guide seat, and the other ends of the two auxiliary pressure plate guide rods are connected to the auxiliary long side pressure plate, the auxiliary pressure plate mounting seat is arranged between the two auxiliary pressure plate guide seats, the auxiliary pressure plate cylinder is arranged on the auxiliary pressure plate mounting seat, and the output end of the auxiliary pressure plate cylinder is connected to the auxiliary long side pressure plate; The first short-side edge sealing mechanism comprises a first short-side pressing plate unit and a first short-side pushing plate unit; The first short side pressing plate unit comprises a first short side pressing plate guide seat, a first short side pressing plate guide rod, a first short side pressing plate mounting seat, a first short side pressing plate cylinder and a first short side pressing plate; There are two first short side pressure plate guide seats, and the two first short side pressure plate guide seats are arranged on the frame at intervals along the width direction of the conveying unit, there are two first short side pressure plate guide rods, and one end of the two first short side pressure plate guide rods are respectively slidably connected to the corresponding first short side pressure plate guide seats, and the other ends of the two first short side pressure plate guide rods are respectively connected to the first short side pressure plate, the first short side pressure plate mounting seat is arranged between the two first short side pressure plate guide seats, the first short side pressure plate cylinder is arranged on the first short side pressure plate mounting seat, and the output end of the first short side pressure plate cylinder is connected to the first short side pressure plate; The first short side push plate unit comprises a first short side push plate guide seat, a first short side push plate guide rod, a first short side push plate mounting seat, a first short side push plate cylinder and a first short side push plate; There are two first short side push plate guide seats, and the two first short side push plate guide seats are arranged on the frame at intervals along the conveying direction of the conveying unit, there are two first short side push plate guide rods, and one end of the two first short side push plate guide rods are respectively slidably connected to the first short side push plate guide seats, and the other ends of the two first short side push plate guide rods are respectively connected to the first short side push plate, the first short side push plate mounting seat is arranged between the two first short side push plate guide seats, the first short side push plate cylinder is arranged on the first short side push plate mounting seat, and the output end of the first short side push plate cylinder is connected to the first short side push plate; The first short side push plate guide rod and the first short side push plate cylinder are both in an inclined state, the first short side push plate is arranged in a vertical direction, and the output end of the first short side push plate cylinder drives the first short side push plate to press one short side of the box body; The second short-side edge sealing mechanism comprises a second short-side pressing plate unit and a second short-side pushing plate unit; The second short side pressing plate unit comprises a second short side pressing plate guide seat, a second short side pressing plate guide rod, a second short side pressing plate mounting seat, a second short side pressing plate cylinder and a second short side pressing plate; Two second short side pressure plate guide seats are provided, and the two second short side pressure plate guide seats are arranged on the frame at intervals along the width direction of the conveying unit, two second short side pressure plate guide rods are provided, and one end of the two second short side pressure plate guide rods are respectively slidably connected to the corresponding second short side pressure plate guide seats, and the other ends of the two second short side pressure plate guide rods are respectively connected to the second short side pressure plate, the second short side pressure plate mounting seat is arranged between the two second short side pressure plate guide seats, the second short side pressure plate cylinder is arranged on the second short side pressure plate mounting seat, and the output end of the second short side pressure plate cylinder is connected to the second short side pressure plate; The second short side push plate unit comprises a second short side push plate guide seat, a second short side push plate guide rod, a second short side push plate mounting seat, a second short side push plate cylinder and a second short side push plate; There are two second short side push plate guide seats, and the two second short side push plate guide seats are arranged on the frame at intervals along the conveying direction of the conveying unit, there are two second short side push plate guide rods, and one end of the two second short side push plate guide rods are respectively slidably connected to the second short side push plate guide seats, and the other ends of the two second short side push plate guide rods are respectively connected to the second short side push plates, the second short side push plate mounting seat is arranged between the two second short side push plate guide seats, the second short side push plate cylinder is arranged on the second short side push plate mounting seat, and the output end of the second short side push plate cylinder is connected to the second short side push plate; The second short side push plate guide rod and the second short side push plate cylinder are both in an inclined state, the second short side push plate is arranged in a vertical direction, and the output end of the second short side push plate cylinder drives the second short side push plate to press the other short side of the box body; The second short side push plate guide rod and the first short side push plate guide rod are in mirror symmetry in their inclination directions; It also includes a first short side glue spraying unit and a second short side glue spraying unit; the first short side glue spraying unit includes a first spray gun, a first guide rail, a first spray gun rack, a first spray gun motor and a first spray gun belt assembly; The first spray gun motor is arranged on the frame, the first spray gun belt assembly is arranged on the frame along the width direction of the conveying unit, and the first spray gun belt assembly is connected to the output end of the first spray gun motor, the first spray gun frame is arranged on the first spray gun belt assembly, the first spray gun is arranged on the first spray gun frame, and the output end of the first spray gun is opposite to the first short edge sealing mechanism; The second short-side glue spraying unit is a second spray gun, the second spray gun is arranged on the frame, and the output end of the second spray gun is opposite to the second short-side edge sealing mechanism.

2. A carton sealing machine according to claim 1, characterized in that: It also includes a first positioning mechanism and a second positioning mechanism, wherein the first positioning mechanism and the second positioning mechanism are both arranged on the frame, the first positioning mechanism is located between the long-side edge sealing mechanism and the first short-side edge sealing mechanism, and the second positioning mechanism is located on the side of the second short-side edge sealing mechanism; The first positioning mechanism includes a first positioning sensing switch, a second positioning sensing switch, a first mounting plate, a first positioning lifting portion, a first positioning guide seat, a first positioning guide rod and a first positioning baffle; The first positioning sensing switch and the second positioning sensing switch are both arranged on the frame, and the first positioning sensing switch is located between the long-side edge sealing mechanism and the first short-side edge sealing mechanism, and the second positioning sensing switch is arranged on the side of the first short-side edge sealing mechanism, the first mounting plate is arranged on the frame along the width direction of the conveying unit, the first positioning lifting part is arranged on the first mounting plate along the vertical direction, the lower end of the first positioning baffle is connected to the output end of the first positioning lifting part, the first positioning guide seat is arranged on the first mounting plate along the vertical direction, one end of the first positioning guide rod is connected to the first positioning baffle, and the other end of the first positioning guide rod is movably penetrated through the first positioning guide seat; The second positioning mechanism includes a third positioning sensing switch, a second mounting plate, a second positioning lifting part, a second positioning guide seat, a second positioning guide rod and a second positioning baffle. The third positioning sensing switch is arranged on the frame, the third positioning sensing switch is arranged on the side of the second short edge sealing mechanism, and the output end of the third positioning sensing switch is opposite to the box body. The second mounting plate is arranged on the frame along the width direction of the conveying unit, the second positioning lifting part is arranged on the second mounting plate along the vertical direction, the lower end of the second positioning baffle is connected to the output end of the first positioning lifting part, the second positioning guide seat is arranged on the second mounting plate, one end of the second positioning guide rod is connected to the second positioning baffle, and the other end of the second positioning guide rod is movably penetrated through the second positioning guide seat.

3. A carton sealing machine according to claim 1, characterized in that: It also includes a box clamping unit, which includes a stopper, a box clamping drive assembly and a clamping claw assembly; The stopper is arranged on the frame, and the stopper and the clamping claw assembly cooperate to clamp the box body; The clamp box driving assembly includes a clamp box mounting frame, a clamp box rotating shaft, a clamp box driving motor and a clamp box belt group; The two clamping box mounting frames are provided with two, and the two clamping box mounting frames are spaced apart from each other on the frame along the width direction of the conveying unit, the two clamping box rotating shafts are provided with two, and the two clamping box rotating shafts are rotatably provided on the clamping box mounting frames, the clamping box driving motor is provided on one of the clamping box mounting frames, and the output end of the clamping box driving motor is connected to the corresponding clamping box rotating shaft, the clamping box belt group is provided between the two clamping box rotating shafts, and the clamping box belt group is connected to the clamping claw assembly; The clamping jaw assembly comprises a clamping jaw guide portion, a clamping jaw connecting frame, a clamping jaw guide seat, a clamping jaw lifting rod, a clamping jaw cylinder, a clamping jaw fixing frame and a clamping jaw; The two jaw guide parts are provided with two, and the two jaw guide parts are located on both sides of the clamp box driving assembly, the jaw connecting frame is installed on the two jaw guide parts, and the jaw connecting frame is connected to the clamp box belt group, the jaw guide seat is arranged on the jaw connecting frame in the vertical direction, the jaw lifting rod is slidably arranged on the jaw guide seat, the jaw cylinder is arranged on the jaw connecting frame in the vertical direction, and the output end of the jaw cylinder is connected to the jaw fixing frame, a plurality of jaws are provided, and each of the jaws is arranged at intervals along the length direction of the jaw fixing frame.

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