A random fully automatic H-shaped carton sealing machine

Abstract

The present invention relates to the technical field of carton sealing machines, and discloses a random fully automatic H-shaped carton sealing machine, comprising a machine base, a transport channel is provided inside the machine base, transport rollers are equidistantly arranged in the transport channel, limited track beams are symmetrically provided on both sides of the outside of the machine base, a lifting platform is movably provided between the two groups of limited track beams, the right side of the lifting platform is connected to a drive box through a welding frame, the right end of the drive box is movably provided with a swinging pressure rod, the lower end of the drive box is movably provided with a rotating pressure rod, and the left side of the lifting platform is connected to the carton sealing machine core. The present invention drives the gear to rotate by a servo motor, and rotates the adjustment gear through meshing, and the positioning main rod provides an adjustment force, causing the oblique rod to drive the side pressure plate to move in a curve to better fit the outer swing cover. At the same time, the activity degree of the side pressure plate is adjusted according to actual conditions to ensure that the tension spring is normally compressed to avoid the machine from getting stuck. The adjustability is strong and it is adaptable to cartons of different sizes.

Description

Technical Field

[0001] The present invention relates to the technical field of carton sealing machines, in particular to a random full-automatic H-shaped carton sealing machine. Background Art

[0002] A carton sealer is a commonly used packaging machine, primarily used for sealing cartons or boxes. Suitable for stand-alone operation or in conjunction with a carton opener or packer to form an automated packaging line, it uses BOPP adhesive tape (sealing tape) to seal cartons, simultaneously sealing both the top and bottom sides. It offers fast, efficient, and aesthetically pleasing packaging. Based on the degree of automation, it can be divided into fully automatic and semi-automatic carton sealers. Fully automatic carton sealers automatically adjust carton size, with a sealing speed of 400-1200 cartons per hour, making them suitable for high-volume production. Semi-automatic carton sealers require manual adjustment and are suitable for small-batch, multi-specification production.

[0003] The existing fully automatic H-shaped carton sealing machine has many technical defects during use. First, the belt conveyor used to clamp the carton is directly driven by a single set of cylinders. The movement stability and control performance of the two sets of belt conveyors are poor. When the machine stops, it is easily affected by the force of the carton and the belt and produces large vibrations, resulting in a lack of positioning accuracy of the carton; second, considering the current quality of the carton sealing machine core and the fitting effect of corrugated paper and tape, after the carton is sealed, bubbles and wrinkles are likely to appear at the edge of the tape, resulting in a loose seal; third, when using the side pressure plate to press the outer flap, due to the different sizes of the outer flaps of cartons of different sizes, the side pressure plate and the outer flap will have poor fitting and pressing effects. In addition, the different contact forces cannot ensure the normal expansion and contraction of the tension spring, which can easily lead to machine jams.

[0004] To sum up, considering that the existing facilities cannot meet the work needs, we propose a random fully automatic H-shaped carton sealing machine. Summary of the Invention

[0005] The main purpose of the present invention is to provide a random fully automatic H-shaped carton sealing machine, which can effectively solve the problems in the background technology.

[0006] To achieve the above object, the technical solution adopted by the present invention is:

[0007] A random fully automatic H-shaped carton sealing machine comprises a machine base, a transport channel is opened inside the machine base, transport rollers are equidistantly arranged in the transport channel, and the number of the transport rollers is preferably 10-16 groups, and limited track beams are symmetrically arranged on both sides of the outside of the machine base, and a lifting platform is movably arranged between the two groups of the limited track beams, and a traction mechanism is provided at the upper end of the lifting platform. The right side of the lifting platform is connected to a drive box through a welding frame, and a swing pressure rod is movably provided at the right end of the drive box, and a rotating pressure rod is movably provided at the lower end of the drive box. The swing pressure rod and the rotating pressure rod respectively act on the two groups of inner rocking covers of the carton, and the left side of the lifting platform is connected to the carton sealing machine core.

[0008] As a preferred solution of the random fully automatic H-shaped carton sealing machine described in the present invention, two groups of box clamping belt conveyors are symmetrically arranged inside the transport channel and above the transport roller, and a box clamping belt is movably arranged on the box clamping belt conveyor. Several groups of connecting seats are welded at equal distances at the lower end of the box clamping belt conveyor, and a sliding sleeve that is sleeved on the outer side of the transport roller is fixed inside each group of the connecting seats. The number of the connecting seats and sliding sleeves is preferably 4-8 groups, and an upper rack rod is provided at the lower end of some of the connecting seats.

[0009] As a preferred solution of the random fully automatic H-shaped carton sealing machine described in the present invention, a bidirectional cylinder is horizontally arranged at the bottom of the transport channel and below the transport roller, and the number of the bidirectional cylinders is preferably 2 groups, and the front and rear ends of the bidirectional cylinders are movably provided with cylinder rods, and the ends of each group of cylinder rods are connected to a lower rack rod, and the lower rack rod and the corresponding upper rack rod are meshed with precision gears, and the precision gears are sleeved on the gear shaft, and both ends of the gear shaft are fixed by a first bearing seat and the inner wall of the transport channel.

[0010] As a preferred solution of the random fully automatic H-shaped carton sealing machine described in the present invention, wherein: a circular locking mouth is opened at one end of the gear shaft, and a shock-absorbing locking structure is arranged on the horizontal outer side of the circular locking mouth. The shock-absorbing locking structure includes a hydraulic press, a telescopic rod, an arc head and a locking petal. The hydraulic press is fixed horizontally, and a telescopic rod is arranged inside the hydraulic press to move outward. The end of the telescopic rod is welded to the concave surface of the arc head, and several groups of locking petals acting on the circular locking mouth are evenly distributed on the arc head. The number of the locking petals is preferably 4-6 groups.

[0011] As a preferred solution of the random fully automatic H-shaped carton sealing machine described in the present invention, wherein: the two outer sides of the carton sealing machine core are symmetrically riveted with an outer shell, the interior of the outer shell is horizontally provided with a positioning main rod, the positioning main rod is fixed to the interior of the outer shell by two groups of first rivet blocks, the right end of the positioning main rod extends outward to be welded with an oblique rod, the oblique rod extends upward through two groups of positioning bearings and the back side of the side pressure plate, the upper ends of the two groups of side pressure plates are connected to the bottom of the welding frame through tension springs, and the two groups of side pressure plates respectively act on the two groups of outer swing covers of the carton.

[0012] As a preferred solution of the random fully automatic H-shaped carton sealing machine described in the present invention, wherein: the left end of the machine base is connected to a transfer seat, the upper end of the transfer seat is obliquely provided with a glue pressing box, the interior of the glue pressing box is penetrated by an inner chamber, a curved conveyor is installed at the bottom of the inner chamber, the curved conveyor includes an inwardly concave conveyor belt, and side baffles are symmetrically provided at both ends of the curved conveyor, and the number of the side baffles is 2 groups.

[0013] As a preferred solution of the random fully automatic H-shaped carton sealing machine described in the present invention, wherein: a lifting cylinder is provided on the top of the glue pressing box, a lifting rod is provided inside the lifting cylinder for downward movement, a pressing seat is welded to the lower end of the lifting rod, and a limiting inner groove for accommodating the pressing seat is provided on the top of the inner chamber, and two groups of roller grooves are symmetrically provided inside the pressing seat downward, and a flat pressing plate is provided on one side or both sides of the two groups of roller grooves, and the number of the flat pressing plates is 1-2 groups.

[0014] As a preferred solution of the random fully automatic H-shaped carton sealing machine described in the present invention, wherein: a rotating roller is movably arranged in each group of the roller grooves, a part of the rotating roller extends out of the roller groove, short shafts are symmetrically welded at both ends of the rotating roller, and the short shafts are fixed by the second bearing seat and the groove wall of the roller groove, one group of the short shafts extends outward and is connected to a uniform speed motor through a coupling, elastic movable grooves are evenly opened on the roller surface of the rotating roller, and an elastic glue pressing block is installed in each group of the elastic movable grooves, the elastic glue pressing block extends out of the elastic movable groove and acts on the edge of the tape, and one end or both ends of the elastic glue pressing block are provided with a side pressure surface.

[0015] As a preferred solution of the random fully automatic H-shaped carton sealing machine described in the present invention, wherein: a No. 1 synchronous sprocket is sleeved on the short shaft of one group of the rotating rollers, the No. 1 synchronous sprocket and the No. 2 synchronous sprocket are connected by a chain, the No. 2 synchronous sprocket is sleeved on the transition shaft, the transition shaft is fixed by the third bearing seat and the inner wall of the pressing seat, and a No. 1 synchronous gear is also sleeved on the transition shaft, and the lower end of the No. 1 synchronous gear is meshed with a No. 2 synchronous gear, and the No. 2 synchronous gear is sleeved on the short shaft of the other group of rotating rollers.

[0016] As a preferred solution of the random fully automatic H-shaped carton sealing machine described in the present invention, the positioning main rod is movably arranged in the outer shell through two groups of inner bearings, the oblique rod is fixed by two groups of second rivet blocks and the back of the side pressure plate, the middle part of the positioning main rod is sleeved with an adjusting gear, and a driving gear is meshed with one side of the adjusting gear, and the driving gear is sleeved on the output shaft of the servo motor.

[0017] As a preferred solution of the random fully automatic H-shaped carton sealing machine described in the present invention, a spiral corrector is obliquely installed on the top of each group of side pressure plates, and the spiral corrector includes a sensitive bearing, a rotating rod, a spiral piece and a resistance airbag. The rotating rod is connected to the inside of the side pressure plate through the sensitive bearing, and the part of the rotating rod extending out of the side pressure plate is provided with a spiral piece. The space between adjacent spiral pieces is filled with a resistance airbag, and the spiral piece and the resistance airbag are both in contact with the cover edge part of the outer swing cover.

[0018] The present invention provides a random full-automatic H-shaped carton sealing machine through improvement, which has the following significant improvements and advantages compared with the prior art:

[0019] Start the bidirectional cylinder, and the two sets of cylinder rods extend outward at the same time, causing the lower rack rod to move linearly outward. Through the meshing transmission of the precision gears, the two sets of upper rack rods are caused to move linearly toward each other, driving the two sets of box clamping belt conveyors to move closer to each other. The box clamping belts contact the sides of the carton to clamp the carton in the center. It has the advantages of high transmission precision and strong synchronization. At the same time, the sleeve slides smoothly along the transport roller, which on the one hand improves the movement stability of the box clamping belt conveyor, and on the other hand exerts axial force on the transport roller to prevent the transport roller from rotating during the carton position adjustment process and interfering with the carton positioning.

[0020] When the hydraulic actuator works, the telescopic rod extends horizontally, driving the arc head to insert into the corresponding circular locking mouth. At the same time, several groups of locking petals are forced into the circular locking mouth. The petals are elastically stuck in the circular locking mouth to perform correlation locking on the precision gear, lower rack rod and upper rack rod, reducing the vibration when the box belt conveyor stops and solving the technical problem of unstable cylinder drive.

[0021] Start the uniform speed motor to drive one set of rotating rollers to rotate, and after a series of transmissions, cause the other set of rotating rollers to rotate in the opposite direction. The elastic pressing blocks slide from the middle position of the sealing tape to the edge position during the circular motion, pressing the tape on the outer flap to eliminate bubbles and wrinkles. Repeating this process significantly improves the sealing quality. As the carton moves, different positions can be pressed. At the same time, when the elastic pressing blocks move with the rotating rollers, the side pressure surface can be used to press the sealing tape on the end face to ensure full coverage and high flexibility.

[0022] Start the servo motor to drive the driving gear to rotate, and rotate the adjusting gear through engagement, positioning the main rod to provide the adjusting force, causing the inclined rod to drive the side pressure plate to move in a curve, thereby increasing the range of motion of the side pressure plate and better fitting the outer swing cover. At the same time, the degree of activity of the side pressure plate is adjusted according to actual conditions to ensure that the tension spring is compressed normally to avoid machine jams. It has a high degree of automation, strong adjustability, and is suitable for cartons of different sizes.

[0023] The side pressure plate and the outer swing cover move relative to each other, and the edge of the outer swing cover and the resistance airbag of the rotating rod intermittently generate friction during the relative movement. The resistance airbag also has the function of flexible protection, causing the rotating rod to rotate around the sensitive bearing, so that the spiral piece contacts the rolled position of the outer swing cover, exerting a spiral force on it to flatten it, solving the technical problem of carton flanging, facilitating subsequent sealing and gluing, and having a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of a random fully automatic H-shaped carton sealing machine in one direction of the present invention;

[0025] Figure 2 This is a schematic diagram of the overall structure of a random fully automatic H-shaped carton sealing machine from another direction of the present invention;

[0026] Figure 3 Schematic diagram of the transmission structure of the box clamping belt conveyor of the present invention;

[0027] Figure 4 Schematic diagram of the external structure of the box clamping belt conveyor of the present invention;

[0028] Figure 5 Schematic diagram of the specific structure of the shock-absorbing locking structure of the present invention;

[0029] Figure 6 This is a schematic diagram of the connection of the side pressure plates in the first embodiment of the present invention;

[0030] Figure 7 Schematic diagram of the internal structure of the glue pressing box of the present invention;

[0031] Figure 8 This is a schematic diagram of the connection of the pressing seat of the present invention;

[0032] Figure 9 Schematic diagram of the internal structure of the pressing seat of the present invention;

[0033] Figure 10 Schematic diagram of the transmission structure of two sets of rotating rollers of the present invention;

[0034] Figure 11 This is a schematic diagram of the connection of the side pressure plates in the second embodiment of the present invention;

[0035] Figure 12This is a schematic diagram of the transmission structure of the positioning main rod of the present invention;

[0036] Figure 13 Schematic diagram of the specific structure of the spiral corrector of the present invention.

[0037] In the figure: 1. Machine base; 2. Transport channel; 3. Transport roller; 4. Positioning track beam; 5. Lifting platform; 6. Welding frame; 7. Drive box; 8. Swinging pressure rod; 9. Rotating pressure rod; 10. Carton sealing mechanism; 11. Carton clamping belt conveyor; 12. Carton clamping belt; 13. Connecting seat; 14. Sliding sleeve; 15. Upper rack rod; 20. Bidirectional cylinder; 21. Cylinder rod; 22. Lower rack rod; 23. Precision gear; 24. Gear shaft; 25. First bearing seat; 26. Circular locking port; 30. Shock-absorbing locking structure; 31. Hydraulic press; 32. Telescopic rod; 33. Arc head; 34. Locking petal; 40. Outer shell; 41. Positioning main rod; 42. First riveting block; 43. Diagonal rod; 44. Side pressure plate; 45. Positioning bearing; 46. Tension spring; 50. Glue pressing box; 51. Inner chamber; 52. Curved conveyor; 53. Side baffle; 54. Lifting cylinder; 55. Lifting rod; 56. Pressing seat; 57. Roller groove; 58. Flat plate; 59. Limiting inner groove; 60. Rotating roller; 61. Short shaft; 62. Second bearing seat; 63. Uniform speed motor; 64. Elastic movable groove; 65. Elastic rubber block; 66. Side pressure surface; 70. No. 1 synchronous sprocket; 71. No. 2 synchronous sprocket; 72. Chain; 73. Transition shaft; 74. No. 1 synchronous gear; 75. No. 2 synchronous gear; 80. Inner bearing; 81. Second riveting block; 82. Adjusting gear; 83. Driving gear; 84. Servo motor; 90. Screw straightener; 91. Sensitive bearing; 92. Rotating rod; 93. Spiral sheet; 94. Resistance airbag; 100. Transfer seat. DETAILED DESCRIPTION

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example 1

[0039] like Figures 1-10As shown, this embodiment provides a random fully automatic H-shaped carton sealing machine, including a machine base 1, the outer side of the machine base 1 is shielded by a glass protective cover, a transport channel 2 is horizontally opened inside the machine base 1, and transport rollers 3 are equidistantly arranged in the transport channel 2, and limited track beams 4 are symmetrically arranged on both sides of the outside of the machine base 1, and a lifting platform 5 is movably arranged between the two sets of limited track beams 4, and a traction mechanism is arranged on the upper end of the lifting platform 5. The traction mechanism is responsible for the up and down movement of the entire movement and is designed and installed according to actual conditions. The right side of the lifting platform 5 is connected to a drive box 7 through a welding frame 6. There are two sets of drive components in the drive box 7. The right end of the drive box 7 is movably provided with a swing pressure rod 8, which is driven by the drive component, and the lower end of the drive box 7 is movably provided with a rotating pressure rod 9, which is driven by another set of drive components. The swing pressure rod 8 and the rotating pressure rod 9 act on the two sets of inner rocking covers of the carton respectively, and the left side of the lifting platform 5 is connected to the carton sealing movement 10, which includes a machine casing, a front pressure wheel, a rear pressure wheel and a blade.

[0040] Among them, two groups of box-clamping belt conveyors 11 are symmetrically arranged inside the transport channel 2 and above the transport roller 3. A box-clamping belt 12 is movably arranged on the box-clamping belt conveyor 11. The interior of the box-clamping belt conveyor 11 includes a pulley group and a guide wheel group. Several groups of connecting seats 13 are equidistantly welded at the lower end of the box-clamping belt conveyor 11. A sliding sleeve 14 that is sleeved on the outside of the transport roller 3 is fixed inside each group of connecting seats 13. The two slide relative to each other as shown in FIG. Figure 1-Figure 4 shown.

[0041] In this embodiment, an upper rack rod 15 is provided at the lower end of the partial connecting seat 13. Figure 4 shown.

[0042] Furthermore, a bidirectional cylinder 20 is horizontally arranged at the bottom of the transport channel 2 and below the transport roller 3. The front and rear ends of the bidirectional cylinder 20 are movably provided with cylinder rods 21, and the ends of each group of cylinder rods 21 are connected to a lower rack rod 22, such as Figure 3 shown.

[0043] In this embodiment, the lower rack rod 22 and the corresponding upper rack rod 15 are engaged with each other by a precision gear 23, and the precision gear 23 is sleeved on the gear shaft 24. Both ends of the gear shaft 24 are fixed by the first bearing seat 25 and the inner wall of the transport channel 2. Figure 3 and Figure 5 shown.

[0044] Furthermore, a circular locking opening 26 is provided at one end of the gear shaft 24, and a shock-absorbing locking structure 30 is provided on the horizontal outer side of the circular locking opening 26. Figure 3 and Figure 5 shown.

[0045] Specifically, the shock-absorbing locking structure 30 includes a hydraulic device 31, a telescopic rod 32, an arc head 33 and a locking petal 34. Figure 5 shown.

[0046] In this embodiment, the hydraulic press 31 is fixed horizontally, and a telescopic rod 32 is provided inside the hydraulic press 31 for outward movement. The end of the telescopic rod 32 is welded to the concave surface of the arc head 33. Several groups of locking petals 34 acting on the circular locking mouth 26 are evenly distributed on the arc head 33. The locking petals 34 are curved structures with elasticity and anti-slip properties.

[0047] Furthermore, the outer sides of the sealing mechanism 10 are symmetrically riveted with an outer shell 40, and a positioning main rod 41 is horizontally arranged inside the outer shell 40. The positioning main rod 41 is fixed to the inner side of the outer shell 40 by two sets of first riveted blocks 42, such as Figure 1 and Figure 6 shown.

[0048] Among them, the right end of the positioning main rod 41 extends outward and is welded with an oblique rod 43, which extends upward through two groups of positioning bearings 45 and the back of the side pressure plate 44. The side pressure plate 44 moves around the oblique rod 43. The upper ends of the two groups of side pressure plates 44 are connected to the bottom of the welding frame 6 through tension springs 46. The tension springs 46 are stretched during the flipping process of the side pressure plates 44 to generate a reset force. The two groups of side pressure plates 44 act on the two groups of outer swing covers of the carton respectively. Figure 6 shown.

[0049] Furthermore, the left end of the machine base 1 is connected to a transfer base 100, and a glue pressing box 50 is tiltedly arranged on the upper end of the transfer base 100. An inner chamber 51 is opened inside the glue pressing box 50, and a curved conveyor 52 is installed at the bottom of the inner chamber 51. The curved conveyor 52 includes an inwardly concave conveyor belt (similar to a conveyor belt for transporting coal), and side baffles 53 are symmetrically arranged at both ends of the curved conveyor 52, such as Figure 1 and Figure 7 shown.

[0050] In this embodiment, a lifting cylinder 54 is provided on the top of the glue pressing box 50, and a lifting rod 55 is provided inside the lifting cylinder 54 for downward movement. A pressing seat 56 is welded to the lower end of the lifting rod 55, and a limiting inner groove 59 for accommodating the pressing seat 56 is provided on the top of the inner chamber 51, which plays the role of accommodating and limiting the guide. Figure 7 and Figure 8 shown.

[0051] The interior of the pressing seat 56 is symmetrically provided with two sets of roller grooves 57 downwards, and a flat pressing plate 58 is provided on one side or both sides of the two sets of roller grooves 57. Figure 8 shown.

[0052] Each group of roller grooves 57 is provided with a rotating roller 60, and a portion of the rotating roller 60 extends out of the roller groove 57. Short shafts 61 are symmetrically welded at both ends of the rotating roller 60. The short shafts 61 are fixed by the second bearing seat 62 and the groove wall of the roller groove 57. One group of short shafts 61 extends outward and is connected to a uniform speed motor 63 through a coupling. Figures 8-10 shown.

[0053] Furthermore, elastic movable grooves 64 are evenly opened on the roller surface of the rotating roller 60, and an elastic pressing block 65 (with a compression spring on the elastic pressing block 65) is installed in each group of elastic movable grooves 64. The elastic pressing block 65 extends out of the elastic movable groove 64 and acts on the edge of the tape. One end or both ends of the elastic pressing block 65 are provided with a side pressure surface 66, such as Figure 9 and Figure 10 shown.

[0054] Furthermore, a first synchronous sprocket 70 is sleeved on the short shaft 61 of one set of rotating rollers 60, and the first synchronous sprocket 70 and the second synchronous sprocket 71 are connected by a chain 72. The second synchronous sprocket 71 is sleeved on the transition shaft 73, and the transition shaft 73 is fixed by the third bearing seat and the inner wall of the pressing seat 56. A first synchronous gear 74 is also sleeved on the transition shaft 73, and the lower end of the first synchronous gear 74 is meshed with a second synchronous gear 75. The second synchronous gear 75 is sleeved on the short shaft 61 of the other set of rotating rollers 60, as shown in FIG. Figure 9 and Figure 10 shown.

[0055] When this embodiment is in use, the carton to be sealed with tape is first transferred to the transport roller 3 on the right side of the transport channel 2, and the bidirectional cylinder 20 is started. The two sets of cylinder rods 21 extend outward at the same time, causing the lower rack rod 22 to move linearly outward. After the meshing transmission of the precision gear 23, the two sets of upper rack rods 15 are caused to move linearly toward each other, thereby driving the two sets of box clamping belt conveyors 11 to move toward each other in the transport channel 2 (the sliding sleeve 14 slides smoothly along the transport roller 3, applying axial force to the transport roller 3 to prevent the transport roller 3 from rotating during the adjustment process). The box clamping belt 12 contacts the side of the carton, clamps the carton in the center, and aligns the seal of the carton with the sealing machine core 10.

[0056] Then the hydraulic press 31 on the shock-absorbing locking structure 30 is started, and the telescopic rod 32 is extended horizontally, driving the arc head 33 to be inserted into the corresponding circular locking opening 26. At the same time, several groups of locking petals 34 are forced into the circular locking opening 26. The elasticity of the locking petals 34 is used to clamp them in the circular locking opening 26, and the precision gear 23, the lower rack rod 22 and the upper rack rod 15 are locked in a correlated manner.

[0057] At this time, the traction mechanism is used to drive the lifting platform 5 and its auxiliary structures to descend. With the help of the transmission structure of the drive box 7, the rotating pressure rod 9 contacts the inner rocking cover in the left position during the descent process, aligns and presses. At the same time, with the help of the transmission structure of the drive box 7, the swing pressure rod 8 swings downward and contacts the inner rocking cover in the right position, aligns and presses.

[0058] At this time, the two sets of box-clamping belts 12 clamp the carton and move linearly to the left. Before entering the area of the carton sealing mechanism 10, the two sets of outer flaps respectively contact the side pressure plates 44, and generate contact forces with the side pressure plates 44, causing the side pressure plates 44 to flip around the inclined rods 43 (the tension springs 46 are stretched), pressing the outer flaps onto the inner flaps, and then allowing the outer flaps to enter the lower end of the carton sealing mechanism 10, and using the front and rear pressure wheel combination to seal the tape to the sealing position.

[0059] When the sealed carton is guided out from the left position of the transport channel 2 by the transport roller 3, it just enters the inner chamber 51 and falls to the center position of the concave conveyor belt (because the belt is concave, the carton is automatically centered to ensure a balanced state), and moves to the left with the concave conveyor belt, the lifting cylinder 54 is started, and the lifting rod 55 drives the pressing seat 56 to descend, so that it is close to the tape position. At this time, the uniform speed motor 63 is started to drive one set of rotating rollers 60 to rotate, and through the transmission of the No. 1 synchronous sprocket 70 and the No. 2 synchronous sprocket 71, the coaxial No. 1 synchronous gear 74 is caused to rotate, and through the engagement of the No. 2 synchronous gear 75, the other set of rotating rollers 60 is caused to rotate in the opposite direction. The two sets of rotating rollers 60 move synchronously in opposite directions, and use the elastic glue pressing block 65 to slide from the middle position to the edge position of the sealing tape in the process of making a circular motion, pressing the tape on the outer flap to eliminate bubbles and wrinkles, and repeating multiple times. As the carton moves, different positions can be pressed to ensure full coverage.

[0060] The lifting rod 55 is used to drive the pressing seat 56 to continue to descend, so that the flat pressing plate 58 is pressed on the edge of the carton, so that the side pressure surface 66 of the elastic pressing block 65 is attached to the end face of the carton (applicable to LNK cartons and aircraft cartons). When the elastic pressing block 65 moves with the rotating roller 60, the side pressure surface 66 can be used to press the sealing tape on the end face. Example 2

[0061] On the basis of the first embodiment, the side pressure plate 44 is used to press the outer flap. Due to the different sizes of the outer flaps of cartons of different sizes, the side pressure plate 44 and the outer flap have poor fitting and pressing effects. In addition, the contact forces are different, and the working strength and stability of the tension spring 46 cannot be ensured, which easily leads to the occurrence of a jam. In addition, the edge of the outer flap is prone to curling (corrugated cardboard deformation), thereby affecting the subsequent sealing. In order to solve the above technical problems, we have the following design, such as Figure 11-13 shown.

[0062] Specifically, the positioning main rod 41 is movably arranged in the outer shell 40 through two sets of inner bearings 80, and the positioning main rod 41 rotates around the inner bearings 80. The inclined rod 43 is fixed by two sets of second rivet blocks 81 and the back of the side pressure plate 44. Figure 11 and Figure 12 shown.

[0063] Among them, the middle part of the positioning main rod 41 is sleeved with an adjusting gear 82, and one side of the adjusting gear 82 is meshed with a driving gear 83, and the driving gear 83 is sleeved on the output shaft of the servo motor 84. Figure 11 and Figure 12 shown.

[0064] Furthermore, a spiral corrector 90 is installed obliquely on the top of each set of side pressure plates 44, such as Figure 12 shown.

[0065] Specifically, the spiral corrector 90 includes a sensitive bearing 91, a rotating rod 92, a spiral sheet 93 and a resistance airbag 94. Figure 13 shown.

[0066] In this embodiment, the rotating rod 92 is connected to the inside of the side pressure plate 44 through the sensitive bearing 91. The part of the rotating rod 92 extending out of the side pressure plate 44 is provided with a spiral piece 93. The space between adjacent spiral pieces 93 is filled with a resistance airbag 94. The outer surface of the resistance airbag 94 is rough and has a certain deformation reset performance. The spiral piece 93 and the resistance airbag 94 are both in contact with the cover edge part of the outer rocker cover.

[0067] When this embodiment is in use, the servo motor 84 is started to drive the driving gear 83 to rotate, and the adjusting gear 82 is rotated through engagement, the positioning main rod 41 provides an adjusting force, causing the inclined rod 43 to drive the side pressure plate 44 to move in a curve, thereby increasing the range of movement of the side pressure plate 44 to better fit the outer rocker cover. At the same time, the degree of movement of the side pressure plate 44 is adjusted according to actual conditions to ensure that the tension spring 46 is compressed normally.

[0068] When the carton is transferred to the left before sealing, the side pressure plate 44 and the outer flap move relative to each other. The edge of the outer flap and the resistance airbag 94 of the rotating rod 92 generate friction intermittently during the relative movement, causing the rotating rod 92 to rotate around the sensitive bearing 91, so that the spiral piece 93 contacts the roll-up position of the outer flap (the spiral direction of the spiral piece 93 follows the roll-up direction), exerting a spiral force on it to flatten it, making it easier to seal and glue.

[0069] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0070] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A random fully automatic H-shaped carton sealing machine, comprising a machine base (1), characterized in that: The base (1) is provided with symmetrically limited track beams (4) on both sides of the outside, and a lifting platform (5) is movably provided between the two groups of the limited track beams (4). The left side of the lifting platform (5) is connected to the carton sealing core (10), and the two outer sides of the carton sealing core (10) are symmetrically riveted with an outer shell (40). A positioning main rod (41) is horizontally provided inside the outer shell (40), and the right end of the positioning main rod (41) is extended outwardly and welded with an inclined rod (43). The inclined rod (43) extends upward and is connected to the back of the side pressure plate (44). The upper ends of the two groups of the side pressure plates (44) are connected to the bottom of the welding frame (6) through a tension spring (46), and the two groups of the side pressure plates (44) act on the two groups of outer flaps of the carton respectively. A lifting cylinder (54) is provided on the top of the glue pressing box (50), and a lifting rod (55) is provided inside the lifting cylinder (54) for moving downward, and a pressing seat (56) is welded to the lower end of the lifting rod (55). A limiting inner groove (59) for accommodating the pressing seat (56) is provided on the top of the inner chamber (51), and two groups of roller grooves (57) are symmetrically provided inside the pressing seat (56) downward, and a flat pressing plate (58) is provided on one side or both sides of the two groups of roller grooves (57). A rotating roller (60) is movably provided in each group of the roller grooves (57), and elastic movable grooves (64) are evenly provided on the roller surface of the rotating roller (60). An elastic glue pressing block (65) is installed in each group of the elastic movable grooves (64), and the elastic glue pressing block (65) extends out of the elastic movable groove (64) to act on the edge of the tape, and one end or both ends of the elastic glue pressing block (65) are provided with a side pressure surface (66).

2. The random fully automatic H-shaped carton sealing machine according to claim 1, characterized in that: A transport channel (2) is provided inside the machine base (1), transport rollers (3) are equidistantly arranged in the transport channel (2), a traction mechanism is provided at the upper end of the lifting platform (5), and a drive box (7) is connected to the right side of the lifting platform (5) through a welding frame (6), a swinging pressure rod (8) is movably provided at the right end of the drive box (7), and a rotating pressure rod (9) is movably provided at the lower end of the drive box (7), and the swinging pressure rod (8) and the rotating pressure rod (9) respectively interact with two groups of inner swing covers of the carton.

3. The random fully automatic H-shaped carton sealing machine according to claim 2, characterized in that: Two groups of box-clamping belt conveyors (11) are symmetrically arranged inside the transport channel (2) and above the transport roller (3). A box-clamping belt (12) is movably arranged on the box-clamping belt conveyor (11). Several groups of connecting seats (13) are welded at equal intervals at the lower end of the box-clamping belt conveyor (11). A sliding sleeve (14) sleeved on the outer side of the transport roller (3) is fixed inside each group of the connecting seats (13). An upper rack rod (15) is arranged at the lower end of some of the connecting seats (13).

4. The random fully automatic H-shaped carton sealing machine according to claim 3, characterized in that: A bidirectional cylinder (20) is horizontally arranged at the bottom of the transport channel (2) and below the transport roller (3). Cylinder rods (21) are movably arranged at the front and rear ends of the bidirectional cylinder (20). The ends of each group of cylinder rods (21) are connected to a lower rack rod (22). The lower rack rod (22) and the corresponding upper rack rod (15) are meshed by a precision gear (23), and the precision gear (23) is sleeved on the gear shaft (24).

5. The random fully automatic H-shaped carton sealing machine according to claim 4, characterized in that: A circular locking opening (26) is provided at one end of the gear shaft (24), and a shock-absorbing locking structure (30) is provided on the horizontal outer side of the circular locking opening (26). The shock-absorbing locking structure (30) comprises a hydraulic press (31), a telescopic rod (32), an arc head (33) and a locking petal (34). The hydraulic press (31) is fixed horizontally, and a telescopic rod (32) is provided inside the hydraulic press (31) so as to be movable outward. The end of the telescopic rod (32) and the arc head (33) are concavely welded, and a plurality of groups of locking petals (34) acting on the circular locking opening (26) are evenly distributed on the arc head (33).

6. The random fully automatic H-shaped carton sealing machine according to claim 1, characterized in that: The positioning main rod (41) is fixed inside the outer shell (40) through two groups of first rivet blocks (42), and the inclined rod (43) extends upward through two groups of positioning bearings (45) and is connected to the back of the side pressure plate (44).

7. The random fully automatic H-shaped carton sealing machine according to claim 1, characterized in that: The left end of the machine base (1) is connected to a transfer seat (100), and a glue pressing box (50) is obliquely provided on the upper end of the transfer seat (100). An inner chamber (51) is provided through the inside of the glue pressing box (50), and a curved conveyor (52) is installed at the bottom of the inner chamber (51), and the curved conveyor (52) includes a concave conveyor belt; Part of the rotating roller (60) extends out of the roller groove (57), and short shafts (61) are symmetrically welded at both ends of the rotating roller (60). The short shafts (61) are fixed by the second bearing seat (62) and the groove wall of the roller groove (57), and one group of the short shafts (61) extends outward and is connected to a uniform speed motor (63) through a coupling.

8. The random fully automatic H-shaped carton sealing machine according to claim 7, characterized in that: A first synchronous sprocket (70) is sleeved on the short shaft (61) of one group of rotating rollers (60), the first synchronous sprocket (70) and the second synchronous sprocket (71) are connected by a chain (72), the second synchronous sprocket (71) is sleeved on the transition shaft (73), and the transition shaft (73) is also sleeved on the first synchronous gear (74), the lower end of the first synchronous gear (74) is meshed with the second synchronous gear (75), and the second synchronous gear (75) is sleeved on the short shaft (61) of the other group of rotating rollers (60).

9. The random fully automatic H-shaped carton sealing machine according to claim 1, characterized in that: The positioning main rod (41) is movably arranged in the outer shell (40) through two groups of inner bearings (80), and the inclined rod (43) is fixed through two groups of second rivet blocks (81) and the back side of the side pressure plate (44). The middle part of the positioning main rod (41) is sleeved with an adjustment gear (82), and one side of the adjustment gear (82) is meshed with a drive gear (83), and the drive gear (83) is sleeved on the output shaft of the servo motor (84).

10. The random fully automatic H-shaped carton sealing machine according to claim 9, characterized in that: A spiral corrector (90) is obliquely installed on the top of each group of side pressure plates (44), and the spiral corrector (90) includes a sensitive bearing (91), a rotating rod (92), a spiral piece (93) and a resistance airbag (94). The rotating rod (92) is connected to the inside of the sensitive bearing (91) and the side pressure plate (44). The part of the rotating rod (92) extending out of the side pressure plate (44) is provided with a spiral piece (93). The space between adjacent spiral pieces (93) is filled with a resistance airbag (94). The spiral piece (93) and the resistance airbag (94) are both in contact with the cover edge portion of the outer rocker cover.

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