A six-sided three-dimensional packaging box automatic pasting forming machine

Abstract

The invention relates to an automatic pasting and forming machine for a six-sided three-dimensional packaging box, which belongs to a three-dimensional box forming machine and comprises an inner box blank, an inner box surface pre-folding station, a top surface pre-folding forming station and an outer box surface forming station. Through the plane rotation of a first divider, a second divider and a third divider and the cooperation of a plurality of cam structures, the forming speed is accelerated, the production efficiency is improved, the precision of the mutual cooperation of each station is greatly improved, the product quality is improved, and at the same time, the forming process is simplified, the number of vulnerable parts is reduced, and the site occupation area is greatly saved compared with the prior art. In addition, the various molds used are all of adjustable design, which meets the processing requirements of products of different specifications, has a wide range of applications, and effectively saves enterprise costs.

Description

Technical Field

[0001] The invention relates to a three-dimensional box forming machine, in particular to an automatic pasting forming machine for a six-sided three-dimensional packaging box. Background Art

[0002] At present, hexahedral packaging box forming machines mostly use a vertical single-station forming or a linear equal-type forming structure. The forming mechanism controls the forming process through the cooperation of servo motors and pneumatic parts. However, the control is relatively complex, the pneumatic parts are easy to wear, the production efficiency is low (20-30 per minute), the equipment life is short, and when producing products of different specifications, a long conversion and debugging time is required, and a large number of special molds need to be made, which has a high production cost. Summary of the invention

[0003] In order to overcome the defects of the prior art, the present invention provides an automatic pasting and forming machine for a six-sided three-dimensional packaging box. By setting an inner box surface pre-folding station, a top surface pre-folding and forming station and an outer box surface forming station, a six-sided three-dimensional packaging box can be automatically formed. The control structure is simple, the number of wearing parts is small, and it is suitable for products of different specifications.

[0004] The technical solution to achieve the above purpose is:

[0005] The present invention provides an automatic pasting and forming machine for a six-sided three-dimensional packaging box, comprising a three-dimensional inner box blank for supporting the six-sided three-dimensional packaging box, the surface paper for making the three-dimensional packaging box is provided with an inner box surface and an outer box surface, the inner box surface comprises a bottom surface, two inner box side surfaces, an inner box front and a rear, and rear side surfaces are provided on both sides of the rear, the outer box surface comprises a top surface, two outer box side surfaces, an outer box front, and front side surfaces are provided on both sides of the outer box front, and also comprises an inner box surface pre-folding station, a top surface pre-folding forming station and an outer box surface forming station;

[0006] The inner box surface pre-folding station comprises a first divider and a first platform, the first divider is connected with four first cylinders which are evenly distributed in the same plane, the suction end of the first cylinder faces the first platform, the first platform is sequentially provided with an inner box blank, a bottom surface of the glued face paper and an inner box surface pre-folding device corresponding to the first three first cylinders, the inner box surface pre-folding device comprises a first three-sided clamping groove which can move up and down, and the groove faces the first divider, firstly the first first cylinder sucks the inner box blank, rotates 90 degrees to the second first cylinder, presses the inner box blank on the bottom surface of the glued face paper for bonding, then rotates 90 degrees to the third first cylinder, presses down, and at the same time, the first three-sided clamping groove rises, so that the two inner box side surfaces and the inner box front of the face paper are pre-folded and bonded to the corresponding surfaces of the inner box blank, while the outer box surface of the face paper extends to the middle of the first divider at the groove, the position remains unchanged, and continues to rotate 90 degrees to the fourth first cylinder;

[0007] The top surface pre-folding and forming station includes a second divider, the second divider is connected to a first turntable, the first turntable is evenly distributed with at least eight pre-folding and forming stations, including adjacent first and second stations, wherein the second station is the rear station of the first station, the first station is directly opposite to the aforementioned fourth first cylinder, and is used to receive the facial paper wrapped with the inner box blank from the inner box surface pre-folding station, the pre-folding and forming station includes a second three-sided card slot corresponding to the aforementioned first three-sided card slot, and is used to place the received facial paper, and a box-pushing side plate that can move up and down is provided at the notch of the second three-sided card slot, and the back of the facial paper and the outer box surface are bent upward at the same time by the upward movement of the box-pushing side plate, The second station is provided with a top surface pre-folding device facing the second three-side card slots, and the top surface pre-folding device includes a pushing device that can move forward and backward, and the top surface is bent by the pushing device, and at the same time, the back of the facial paper is formed. The above-mentioned eight pre-folding and forming stations also include a fifth station, and the fifth station is after the second station and before the first station. A box pushing device that can move forward and backward is fixed in the middle of the second divider, and the box pushing device faces the fifth station. The fifth station is connected to the outer box surface forming station through a guide rail platform, and the facial paper that has been pre-folded and formed on the inner box surface, the top surface and the back is pushed to the outer box surface forming station along the guide rail by the box pushing device;

[0008] The outer box surface forming station includes a third divider, the third divider is connected to an intermediate cam and a second turntable, the second turntable is evenly distributed with at least five forming stations, including the first to fourth forming stations and the seventh forming station from front to back, the forming station includes a first shovel ear that can move forward and backward, used to bend the rear side of the facial paper, a front shovel ear that can move up and down, used to bend the front of the outer box of the facial paper, a second shovel ear that can move up and down, used to bend the front side of the facial paper, used to bend the side shovel ears that can move up and down, used to bend the two outer box sides of the facial paper, and a clamping device facing the seventh forming station, used to take out the six-sided three-dimensional packaging box that has been pasted and completely formed.

[0009] Furthermore, it also includes a conveying device for conveying the inner box blank and the facial paper. The first platform is equipped with a first photoelectric sensor for photoelectrically sensing the position of the inner box blank and a second photoelectric sensor for sensing the position of the facial paper, which respectively locate the placement positions of the inner box blank and the facial paper.

[0010] Furthermore, the inner box surface pre-folding portion also includes a second cylinder, which is installed below the first three-sided card slot, and the first three-sided card slot is driven to move up and down by the telescopic movement of the second cylinder.

[0011] Furthermore, the top surface pre-folding and forming station includes a first fixed plate located below the first turntable, a first protrusion is provided on the top of the first fixed plate, the first protrusion is located below the first station, a first cam is connected to the bottom of the push box side plate, and a first elastic device is provided between the push box side plate and the first cam. When the first turntable rotates to the first station, the first cam moves to the first protrusion, so that the first cam rises, the first elastic device is compressed, the push box side plate rises, the push box side plate and the second three-sided slot form a four-sided slot, the fourth first cylinder presses down the sucked inner box blank and face paper, so that the back of the face paper and the outer box surface are bent upward as a whole, and after the first cam rotates through the first protrusion with the first turntable, due to the rebound force of the first elastic device, the first cam descends, and the push box side plate returns to its original position.

[0012] Furthermore, the top surface pre-folding portion also includes a third cylinder, which is connected to one end of the pushing device away from the second divider. The telescopic movement of the third cylinder drives the pushing device to move forward and backward, thereby bending the top surface of the facial paper and forming the back of the facial paper.

[0013] Furthermore, it also includes a first bubble pressing device, which is located between the second station and the fifth station. The first bubble pressing device includes a fourth cylinder that moves up and down. A first pressing block is provided at the bottom of the fourth cylinder. The first pressing block is opposite to the pre-folding and forming station. After the top surface of the face paper is bent and bonded to the surface of the inner box blank, the top surface is subjected to bubble pressing treatment.

[0014] Furthermore, a second cam is connected to an end of the first shovel ear close to the middle cam, a second elastic device is provided between the first shovel ear and the second cam, and a second fixed disk is sleeved on the third divider opposite to the first shovel ear, and the second fixed disk has a second protrusion opposite to the first forming station. When the second turntable rotates to the first forming station, the second cam moves to the second protrusion of the second fixed disk, so that the second cam moves backward, the second elastic device is compressed, and drives the first shovel ear to move in a direction away from the middle cam, thereby bending the rear side surface. After the second cam rotates through the second protrusion with the second turntable, due to the rebound force of the second elastic device, the second cam moves forward, and the first shovel ear moves in a direction close to the middle cam to return to its original position.

[0015] The cam is connected to the second cam plate, and the other end of the first connecting rod is connected to the first cam plate by a rotation of the first connecting rod, and the other end of the first connecting rod is connected to the first cam plate by a rotation of the first connecting rod, so that the cam plate can be adjusted according to the situation of the first and second cam plates.

[0016] Furthermore, a third cam is connected below the second shovel ear, a third elastic device is provided between the second shovel ear and the third cam, a third protrusion is provided between the second forming station and the third forming station and is located below the third cam, and the third protrusion is arranged in an arc shape with a high middle and low ends. When the second turntable rotates to the second forming station, the third cam is supported by the third protrusion and gradually rises, and the third elastic device is compressed, thereby driving the second shovel ear to move upward and bend the front side of the tissue paper. When approaching the third forming station, the third cam gradually descends along the third protrusion, driving the second shovel ear to gradually return to its original position.

[0017] Furthermore, a second guide plate is vertically connected to the top of the side shovel ear, and the second guide plate is slidably connected to the first guide rod, and the top of the second guide plate is connected to one end of a second connecting rod, and the other end of the second connecting rod is rollingly connected to a second groove of the middle cam, and the second groove has an arc-shaped second sinking section, and the second sinking section is located between the third forming station and the fourth forming station. When the second turntable rotates to the third forming station, the second connecting rod gradually descends along the second sinking section in the second groove, pressing the second guide plate to move downward along the first guide rod, thereby driving the side shovel ears on both sides of the tissue paper to move downward, and the two outer box sides of the bent tissue paper gradually rise as the second connecting rod moves in the second groove, and the side shovel ears return to their original state when reaching the fourth forming station. In addition, the first guide plate and the second guide plate both slide along the first guide rod, so that the device for bending the two outer box sides of the tissue paper and the front of the tissue paper outer box are integrated into one place, effectively saving the space occupied by the equipment.

[0018] Furthermore, the clamping device includes a fifth cylinder, and a pneumatic finger is connected to one end of the fifth cylinder near the middle cam, and a clamp is provided on one end of the pneumatic finger near the middle cam. When the second turntable rotates to the seventh forming station, the fifth cylinder controls the pneumatic finger to control the clamp to clamp the fully formed six-sided three-dimensional packaging box.

[0019] Furthermore, a second bubble pressing device is provided between the fourth forming station and the seventh forming station, and the second bubble pressing device includes a sixth cylinder which moves forward and backward, and a second pressing block is provided at one end of the sixth cylinder close to the middle cam, and the second pressing block is opposite to the forming station. Before the six-sided three-dimensional packaging box is taken out after being formed, the second pressing block is controlled by the sixth cylinder to perform bubble pressing on the front of the outer box of the facing paper, so that the pasting effect of the six-sided three-dimensional packaging box is better and the bonding performance is more stable.

[0020] Beneficial effect: Compared with the prior art, the difference of the present invention lies in that the six-sided three-dimensional packaging box pasting automatic forming machine provided by the present invention includes an inner box blank, an inner box surface pre-folding station, a top surface pre-folding forming station and an outer box surface forming station. Through the planar rotation of the first divider, the second divider and the third divider and the cooperation of various cam structures, the forming speed is accelerated, the production efficiency is improved, the accuracy of the mutual cooperation of each station is greatly improved, and the product quality is improved. At the same time, the forming process is simplified, the number of wearing parts is reduced, and the site occupation area is greatly saved compared with the prior art. In addition, the various molds used are all adjustable in design to meet the processing of products of different specifications, with a wide range of applications, and effectively saving enterprise costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a top view of the face paper in the present invention.

[0022] Figure 2 The figure is a schematic structural diagram of an automatic pasting and forming machine for a six-sided three-dimensional packaging box according to a preferred embodiment of the present invention.

[0023] Figure 3 for Figure 2 Schematic diagram of the local structure.

[0024] Figure 4 It is a schematic structural diagram of the inner box surface pre-folding part assembly in the present invention.

[0025] Figure 5 It is a structural schematic diagram of the top surface pre-folding and forming station in the present invention.

[0026] Figure 6 It is a schematic diagram of the structure of the top surface pre-folding part in the present invention.

[0027] Figure 7 It is a schematic structural diagram of the first bubble pressing device in the present invention.

[0028] Figure 8 It is a schematic structural diagram of the first shovel ear in the present invention.

[0029] Fig. 9 It is a schematic structural diagram of the front shovel ear in the present invention.

[0030] Fig.10 It is a schematic structural diagram of the second shovel ear in the present invention.

[0031] Fig.11 It is a schematic structural diagram of the side shovel ears in the present invention.

[0032] Fig.12 It is a schematic diagram of the structure of the clamping device in the present invention.

[0033] Fig.13 It is a schematic structural diagram of the second bubble pressing device in the present invention.

[0034] Among them, 1-inner box blank, 10-face paper, 11-bottom surface, 12-two inner box sides, 13-inner box front, 14-back, 15-back side, 16-top surface, 17-two outer box sides, 18-outer box front, 19-front side, 2-inner box surface pre-folding station, 21-first divider, 22-first platform, 23-first cylinder, 24-inner box surface pre-folding unit, 25-first three-side card slot, 26-second cylinder, 3-top surface pre-folding forming station, 31-first Second divider, 32-first turntable, 33-pre-folding and forming station, 331-first station, 332-second station, 334-fourth station, 335-fifth station, 34-second three-sided card slot, 35-pushing box side plate, 351-first cam, 36-first fixed plate, 361-first protruding part, 37-top surface pre-folding part installation, 371-pushing device, 372-third cylinder, 38-pushing box device, 39-first bubble pressing device, 391-fourth cylinder, 3 92-first pressing block, 4-outer box surface forming station, 41-middle cam, 411-second fixed plate, 412-second protrusion, 413-first groove, 414-first sinking section, 42-second rotating plate, 43-forming station, 431-first forming station, 432-second forming station, 433-third forming station, 434-fourth forming station, 437-seventh forming station, 44-first shovel ear, 441-second cam, 45-front shovel ear, 4 51-first guide plate, 452-first guide rod, 453-first connecting rod, 46-second shovel ear, 461-third cam, 462-third protrusion, 47-side shovel ear, 471-second guide plate, 472-second connecting rod, 473-second groove, 474-second sinking section, 48-gripping device, 481-fifth cylinder, 482-pneumatic finger, 483-clamping claw, 49-second bubble pressing device, 491-sixth cylinder, 492-second pressing block. DETAILED DESCRIPTION

[0035] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0036] See also Figures 1 to 3 As shown, the present invention provides an automatic pasting and forming machine for a six-sided three-dimensional packaging box, comprising a three-dimensional inner box blank 1 for supporting the six-sided three-dimensional packaging box, a face paper 10 for making the three-dimensional box having an inner box surface and an outer box surface, the inner box surface comprising a bottom surface 11, two inner box side surfaces 12, an inner box front surface 13 and a rear surface 14, rear side surfaces 15 are arranged on both sides of the rear surface 14, the outer box surface comprises a top surface 16, two outer box side surfaces 17, an outer box front surface 18, front side surfaces 19 are arranged on both sides of the outer box front surface 18, and also comprising an inner box surface pre-folding station 2, a top surface pre-folding forming station 3 and an outer box surface forming station 4;

[0037] The inner box surface pre-folding station 2 comprises a first divider 21 and a first platform 22, wherein the first divider 21 is sequentially connected to four first cylinders 23, the air suction end of the first cylinder 23 is directly opposite to the first platform 22, and the first platform 22 is sequentially provided with an inner box blank 1, a bottom surface 11 of the glued face paper 10, and an inner box surface pre-folding device 24 corresponding to the first three first cylinders 23, and preferably, further comprises a conveying device for conveying the inner box blank 1 and the face paper 10, and the first platform 22 is provided with a first photoelectric sensor for photoelectrically sensing the position of the inner box blank 1 and a second photoelectric sensor for sensing the position of the face paper 10, so as to locate the placement positions of the inner box blank 1 and the face paper 10 respectively;

[0038] See also Figure 4 As shown, the inner box surface pre-folding part 24 includes a first three-sided card slot 25 that can move up and down, and its slot is opposite to the first divider 21. First, the first first cylinder 23 sucks the inner box blank 1, rotates 90 degrees to the second first cylinder 23, presses the inner box blank 1 on the bottom surface 11 of the glued facial tissue 10 for bonding, and then rotates 90 degrees to the third first cylinder 23, presses down, and at the same time, the first three-sided card slot 25 rises, so that the two inner box side surfaces 12 and the inner box front 13 of the facial tissue 10 are bent into shape and bonded to the corresponding surfaces of the inner box blank 1, and the outer box surface of the facial tissue 10 extends toward the middle of the first divider 21 at the slot, and the position remains unchanged, and continues to rotate 90 degrees to the fourth first cylinder 23. Preferably, the inner box surface pre-folding part 24 also includes a second cylinder 26, which is installed below the first three-sided card slot 25, and the first three-sided card slot 25 is driven to move up and down by the telescopic movement of the second cylinder 26;

[0039] See also Figure 5As shown, the top surface pre-folding and forming station 3 includes a second divider 31, and the second divider 31 is connected to a first turntable 32. The first turntable 32 is evenly distributed with eight pre-folding and forming stations 33, which are the first to eighth stations in sequence, wherein the first station 331 is directly opposite to the aforementioned fourth first cylinder 23, and is used to receive the facial paper 10 wrapped with the inner box blank 1 from the inner box surface pre-folding station 2, and the pre-folding and forming station 33 includes a second three-sided card slot 34 corresponding to the above-mentioned first three-sided card slot 25, which is used to place the received facial paper 10, and the notch of the second three-sided card slot 34 is provided with a box pushing side plate 35 which can move up and down, preferably, the top surface pre-folding and forming station 3 also includes a first fixed plate 36 located below the first turntable 32, and the top of the first fixed plate 36 is provided with a first protrusion 361, and the first protrusion 361 is located below the first station 331 The bottom of the push box side plate 35 is connected with a first cam 351, and a first elastic device is provided between the push box side plate 35 and the first cam 351. When the first turntable 32 rotates to the first station 331, the first cam 351 moves to the first protrusion 361, so that the first cam 351 rises, the first elastic device is compressed, the push box side plate 35 rises, the push box side plate 35 and the second three-sided card slot 34 form a four-sided card slot, and the fourth first cylinder 23 presses down the sucked inner box blank 1 and the facial paper 10, so that the back 14 of the facial paper 10 and the outer box surface are bent upward as a whole. After the first cam 351 rotates with the first turntable 32 and passes through the first protrusion 361, due to the rebound force of the first elastic device, the first cam 351 descends, and the push box side plate 35 returns to its original position. The second station 332 is provided with a top surface pre-folding portion 36 facing the second three-sided card slot 34;

[0040] See also Figure 6 As shown, the top surface pre-folding device 37 includes a pushing device 371 that can move forward and backward. Preferably, the top surface pre-folding device 37 also includes a third cylinder 372, and the third cylinder 372 is connected to the end of the pushing device 371 away from the second divider 31. The pushing device 371 is driven to move forward and backward by the telescopic movement of the third cylinder 372, thereby bending the top surface 16 of the facial paper 10 and forming the back surface 14 of the facial paper 10.

[0041] See also Figure 5As shown, a box-pushing device 38 that can move forward and backward is fixedly provided in the middle of the second divider 31, and the box-pushing device 38 is directly opposite to the fifth station 335. The fifth station 335 is connected to the outer box surface forming station 4 through a guide rail platform. The facial tissue 10 whose inner box surface, top surface 16 and back surface 14 have been bent and formed is pushed to the outer box surface forming station 4 along the guide rail by the box-pushing device 38. In the top surface pre-folding forming station 3, only one box-pushing device 38 is needed to meet the needs of the production line. In the prior art, each pre-folding forming station 33 must be provided with a similar box-pushing device. Therefore, the automatic forming machine saves equipment costs. It should be noted that, considering the spatial position relationship and the convenience of actual operation, the box-pushing device 38 is arranged on the fifth station 335 which is in the same straight line with the first station 331 in this embodiment. Obviously, it can also be arranged on the fourth station or the sixth station, so that the outer box surface forming station is obliquely connected with the top surface forming station to meet the actual operation needs.

[0042] Preferably, see Figure 7 As shown, it also includes a first bubble pressing device 39 located at the fourth station 334, the first bubble pressing device 39 is located between the station where the top surface pre-folding part 37 is located and the station where the box pushing device 38 is located, the first bubble pressing device 39 includes a fourth cylinder 391 that moves up and down, and a first pressing block 392 is provided at the bottom of the fourth cylinder 391, and the first pressing block 392 is directly opposite to the pre-folding forming station 33. After the top surface 16 of the face paper 10 is bent and bonded to the surface of the inner box blank 1, the top surface 16 is subjected to bubble pressing treatment;

[0043] The outer box surface forming station 4 includes a third divider, the third divider is connected to an intermediate cam 41 and a second turntable 42, and the second turntable 42 is evenly distributed with eight forming stations 43 in sequence, and the forming stations include:

[0044] The first shovel ear can move forward and backward, see Figure 8As shown, preferably, one end of the first shovel ear 44 close to the middle cam 41 is connected to the second cam 441, a second elastic device is provided between the first shovel ear 44 and the second cam 441, and the third divider is sleeved with a second fixed disk 411 at a position opposite to the first shovel ear 44, and the second fixed disk 411 has a second protrusion 412 facing the first forming station 441. When the second rotating disk 42 rotates to the first forming station 431, the second cam 441 moves to the second protrusion 412 of the second fixed disk 411, so that the second cam 441 moves backward, the second elastic device is compressed, and the first shovel ear 44 moves in a direction away from the middle cam 41, thereby bending the rear side surface 15. After the second cam 441 rotates with the second rotating disk 42 and passes through the second protrusion 412, due to the rebound force of the second elastic device, the second cam 441 moves forward, and the first shovel ear 44 moves in a direction close to the middle cam 41 to return to its original position.

[0045] Front shovel ears that can move up and down, see Fig. 9 As shown, preferably, the top of the front shovel ear 45 is vertically connected to a first guide plate 451, and a first guide rod 452 arranged up and down is slidably connected in the first guide plate 451, and the first guide rod 452 is fixed to the second turntable, and the top of the first guide plate 451 is connected to one end of a first connecting rod 453, and the other end of the first connecting rod 453 is rollingly connected to the first groove 413 of the intermediate cam 41, and the first groove 413 has an arc-shaped first sinking section 414, and the first sinking section 414 is located between the first forming station 431 and the second forming station 432. During the rotation of the second turntable 42 The first connecting rod 453 at the first forming station 431 begins to gradually descend along the first groove 413 in the first sinking section 414, and drives the front shovel ear 45 to descend by driving the first guide plate 451 to descend, thereby bending the front 18 of the outer box of the tissue paper 10. When the second rotating disk 42 approaches the second forming station 432, the first sinking section 414 tilts upward along an arc. After the first connecting rod 453 descends to the lowest point, it gradually rises in the first groove 413 until it reaches the second forming station 432. The first connecting rod 453 completes the entire first sinking section 414 and returns to its original position, so that the front shovel ear 45 returns to its original position after completing the bending action.

[0046] The second shovel ear can move up and down, see Fig.10As shown, preferably, a third cam 461 is connected below the second shovel ear 46, a third elastic device is provided between the second shovel ear 46 and the third cam 461, a third protrusion 462 is provided between the second forming station 432 and the third forming station 433 and is located below the third cam 461, and the third protrusion 162 is arranged in an arc shape with a high middle and low ends. When the second rotating disk 42 rotates to the second forming station 432, the third cam 461 is supported by the third protrusion 462 and gradually rises, and the third elastic device is compressed, thereby driving the second shovel ear 46 to move upward, bending the front side surface 19 of the tissue paper 10, and when approaching the third forming station 433, the third cam 461 gradually descends along the third protrusion 462, driving the second shovel ear 46 to gradually return to its original position;

[0047] Side shovel ears that can move up and down, see Fig.11 As shown, preferably, a second guide plate 471 is vertically connected to the top of the side shovel ear 47, and the second guide plate 471 is slidably connected to the first guide rod 452. The top of the second guide plate 471 is connected to one end of a second connecting rod 472, and the other end of the second connecting rod 472 is rollingly connected to a second groove 473 of the middle cam 41. The second groove 473 has an arc-shaped second sinking section 474, and the second sinking section 474 is located between the third molding station 433 and the fourth molding station 434. When the second rotating disk 42 rotates to the third molding station 433, the second connecting rod 472 is in the second groove. The second sinking section 474 along the inner side of the groove 473 gradually descends, pressing the second guide plate 471 to descend along the first guide rod 452, thereby driving the side shovel ears 47 located on both sides of the tissue paper 10 to descend, and the two outer box side surfaces 17 of the bent tissue paper 10 gradually rise as the second connecting rod 472 moves in the second groove 473, and the side shovel ears 47 return to their original state when reaching the fourth forming station 434. In addition, the first guide plate 451 and the second guide plate 471 both slide along the first guide rod 452, so that the devices for bending the two outer box side surfaces 17 of the tissue paper 10 and the outer box front 18 of the tissue paper 10 are integrated into one place, effectively saving the occupied space of the equipment; and

[0048] Opposite to the clamping device of the seventh forming station, see Fig.12 As shown, preferably, the clamping device 48 includes a fifth cylinder 481, and the end of the fifth cylinder 481 close to the middle cam 41 is connected to a pneumatic finger 482, and the end of the pneumatic finger 482 close to the middle cam 41 is provided with a clamp 483. When the second turntable 42 rotates to the seventh forming station 437, the fifth cylinder 481 controls the pneumatic finger 482 to control the clamp 483 to clamp the fully formed six-sided three-dimensional packaging box.

[0049] Preferably, a second bubble pressing device 49 is provided between the fourth forming station 434 and the seventh forming station 437. Fig.13 As shown, the second bubble pressing device 49 includes a sixth cylinder 491 that moves back and forth. The sixth cylinder 491 is provided with a second pressing block 492 at one end close to the middle cam 41. The second pressing block 492 is opposite to the forming station 43. Before the six-sided three-dimensional packaging box is taken out after being formed, the second pressing block 492 is controlled by the sixth cylinder 491 to perform bubble pressing on the front 18 of the outer box of the facing paper 10, so that the pasting effect of the six-sided three-dimensional packaging box is better and the bonding performance is more stable.

[0050] It should be noted that the terms "first, second, third, fourth, fifth, sixth and seventh" in the present invention are only used for descriptive purposes and do not represent any order. They cannot be understood as indicating or implying relative importance. These terms can be interpreted as names.

[0051] The above specific implementation methods are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic pasting and forming machine for a six-sided three-dimensional packaging box, comprising a three-dimensional inner box blank for supporting the six-sided three-dimensional packaging box, the surface paper for making the three-dimensional packaging box is provided with an inner box surface and an outer box surface, the inner box surface comprises a bottom surface, two inner box side surfaces, an inner box front and a rear surface, and rear side surfaces are provided on both sides of the rear surface, the outer box surface comprises a top surface, two outer box side surfaces, an outer box front, and front side surfaces are provided on both sides of the outer box front, characterized in that: It also includes an inner box surface pre-folding station, a top surface pre-folding and forming station, and an outer box surface forming station; The inner box surface pre-folding station comprises a first divider and a first platform, the first divider is connected to four first cylinders which are evenly distributed in sequence and located in the same plane, the suction end of the first cylinder faces the first platform, the first platform is sequentially provided with an inner box blank, a bottom surface of the glued face paper and an inner box surface pre-folding assembly corresponding to the first three first cylinders, the inner box surface pre-folding assembly comprises a first three-sided clamping groove which can move up and down, and the groove opening faces the first divider; The top surface pre-folding and forming station includes a second divider, the second divider is connected to a first turntable, at least eight pre-folding and forming stations are evenly distributed on the first turntable, including adjacent first and second stations, wherein the second station is the rear station of the first station, the first station is directly opposite to the aforementioned four first cylinders, the pre-folding and forming station includes a second three-sided card slot corresponding to the aforementioned first three-sided card slot, a box-pushing side plate that can move up and down is provided at the notch of the second three-sided card slot, the second station is provided with a top surface pre-folding part facing the second three-sided card slot, the top surface pre-folding part includes a pushing device that can move forward and backward, the above-mentioned eight pre-folding and forming stations also include a fifth station, the fifth station is after the second station and before the first station, a box-pushing device that can move forward and backward is fixedly provided in the middle of the second divider, the box-pushing device is directly opposite to the fifth station, and the fifth station is connected to the outer box surface forming station via a guide rail platform; The outer box surface forming station includes a third divider, the third divider is connected to an intermediate cam and a second turntable, the second turntable is evenly distributed with at least five forming stations, including first to fourth forming stations and a seventh forming station from front to back, the forming stations include a first shovel ear that can move forward and backward, a front shovel ear that can move up and down, a second shovel ear that can move up and down, a side shovel ear that can move up and down, and a clamping device facing the seventh forming station; The invention also includes a conveying device for conveying the inner box blank and the facial paper. The first platform is equipped with a first photoelectric sensor for photoelectrically sensing the position of the inner box blank and a second photoelectric sensor for sensing the position of the facial paper. The inner box surface pre-folding portion also includes a second cylinder, and the second cylinder is installed below the first three-side clamping groove.

2. The six-sided three-dimensional packaging box automatic pasting forming machine according to claim 1, characterized in that: The top surface pre-folding and forming station includes a first fixed plate located below the first turntable, a first protrusion is provided on the top of the first fixed plate, the first protrusion is located below the first station, a first cam is connected to the bottom of the push box side plate, and a first elastic device is provided between the push box side plate and the first cam.

3. The automatic six-sided three-dimensional packaging box pasting forming machine according to claim 1, characterized in that: The top surface pre-folding portion also includes a third cylinder, which is connected to one end of the pushing device away from the second divider; it also includes a first bubble pressing device, which is located between the second station and the fifth station, and the first bubble pressing device includes a fourth cylinder that moves up and down, and a first pressing block is provided at the bottom of the fourth cylinder, and the first pressing block is opposite to the pre-folding forming station; the first shovel ear is connected to the second cam at one end close to the middle cam, and a second elastic device is provided between the first shovel ear and the second cam, and the third divider is provided with a second fixed plate at the position opposite to the first shovel ear, and the second fixed plate has a second protrusion facing the first forming station.

4. The automatic six-sided three-dimensional packaging box pasting and forming machine according to claim 1, characterized in that: The top of the front shovel ear is vertically connected to a first guide plate, and a first guide rod arranged up and down is slidably connected inside the first guide plate. The first guide rod is fixed to the second turntable, and the top of the first guide plate is connected to one end of a first connecting rod, and the other end of the first connecting rod is rollingly connected to a first groove of the middle cam, and the first groove has an arc-shaped first sinking section, and the first sinking section is located between the first forming station and the second forming station.

5. The automatic six-sided three-dimensional packaging box pasting forming machine according to claim 4, characterized in that: A third cam is connected below the second shovel ear, a third elastic device is provided between the second shovel ear and the third cam, a third protrusion is provided between the second molding station and the third molding station and located below the third cam, and the third protrusion is arranged in an arc shape with a high middle and low ends.

6. The automatic six-sided three-dimensional packaging box pasting and forming machine according to claim 5, characterized in that: A second guide plate is vertically connected to the top of the side shovel ear, and the second guide plate is slidably connected to the first guide rod. The top of the second guide plate is connected to one end of a second connecting rod, and the other end of the second connecting rod is rollingly connected to a second groove of the middle cam. The second groove has an arc-shaped second sinking section, and the second sinking section is located between the third forming station and the fourth forming station.

7. The automatic six-sided three-dimensional packaging box pasting and forming machine according to claim 1, characterized in that: The clamping device comprises a fifth cylinder, one end of the fifth cylinder close to the middle cam is connected to a pneumatic finger, and one end of the pneumatic finger close to the middle cam is provided with a clamping claw.

8. The automatic six-sided three-dimensional packaging box pasting and forming machine according to claim 1, characterized in that: A second bubble pressing device is also provided between the fourth molding station and the seventh molding station. The second bubble pressing device includes a sixth cylinder moving forward and backward. A second pressing block is provided at one end of the sixth cylinder close to the middle cam. The second pressing block faces the molding station.

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