A large batch of carton automatic stacking equipment

Abstract

The present application relates to the technical field of carton stacking, and in particular to an automatic stacking device for large quantities of cartons, comprising symmetrically arranged conveying frames, wherein a plurality of conveying rollers are evenly arranged between the conveying frames along their length directions, and both ends of the conveying rollers are mounted on the conveying frames on the corresponding sides through bearings, and a limited roller pressing mechanism is commonly mounted on the two conveying frames; the limited roller pressing mechanism performs a pressing process on the moving cardboard through the cooperation of a pressing roller and a pressing component, the pressing roller can actively press the crease of the cardboard during rotation, and the pressing component performs a passive pressing process on the cardboard, and the combination of the two ensures that the cardboard can be effectively pressed and flattened during movement, reduces the possibility of resetting at the crease, thereby ensuring that adjacent cardboards are in close contact during stacking, and avoids the risk of slipping due to excessive gaps between cardboards.

Description

Technical Field

[0001] The present application relates to the technical field of carton stacking, and in particular to an automatic stacking device for large quantities of cartons. Background Art

[0002] In the modern warehousing and logistics industry, efficient and stable packaging material storage and transportation methods are one of the key technologies to improve supply chain efficiency. Goods with cartons as the main packaging material need to be reasonably stacked during transportation and storage to ensure that the goods can be safely stored and transported. Traditional stacking methods, such as random placement on the ground or simple pallet stacking, have many shortcomings: first, these methods are prone to long-term manual operation and are inefficient. Second, cartons stacked in this way are prone to collapse. At the same time, directly storing and transporting cartons also takes up a lot of space.

[0003] Therefore, in order to reduce the problem of large space occupied by cartons during storage and transportation, it is often necessary to disassemble cartons into paper boards, such as a packaging paper board stacking device with publication number CN213976094U. The device, through the coordinated use of a main frame, a support plate, a lifting seat and a stacking plate, can perform edge trimming operations on packaging paper boards placed on the stacking plate to ensure that the opposite edges of the paper boards are neat, effectively avoiding the risk of relative slippage or falling of the paper boards due to lack of regularity during storage and transportation, thereby significantly reducing the space occupied by cartons and improving storage and transportation efficiency.

[0004] The packaging cardboard and the cardboard disassembled from the carton belong to the same cardboard field, so the above device can be used to stack the cardboard disassembled from the carton, but there are still some defects: the cardboard disassembled from the carton will form obvious creases after folding, and these creases will produce a certain reset stress on the cardboard surface. The existence of this stress makes it impossible for the cardboard to completely return to the flat open state, thus generating gaps during the stacking process.

[0005] Due to the existence of these gaps, adjacent cardboards are not easy to be in close contact during the stacking process, resulting in irregular shape of the cardboards after stacking. This irregular stacking state not only affects the storage effect of the cardboards, but may also cause the cardboards after stacking to slide under their own gravity, thereby reducing the stacking effect and use safety of the packaging cardboards.

[0006] Therefore, in view of the above-mentioned defects in the prior art, there is an urgent need for a device that can effectively solve the problem of paperboard reset stress and ensure the regularity of stacking. Summary of the invention

[0007] To solve the above technical problems, the present application provides an automatic stacking device for a large number of cartons, adopting the following technical solutions: An automatic stacking device for a large number of cartons includes symmetrically arranged conveying frames. A plurality of conveying rollers are evenly arranged between the conveying frames along their length direction, and both ends of the conveying rollers are installed on the corresponding side of the conveying frames through bearings. A limiting roller pressing mechanism is commonly installed on the two conveying frames.

[0008] The limiting roller pressing mechanism includes: Limiting plates, there are two of them and they are symmetrically distributed along the length direction of the conveying rollers, and they are installed on the corresponding side of the conveying frames through supporting protrusions, and are used for limiting the cardboard.

[0009] Pressing rollers, there are multiple of them and they are evenly distributed along the length direction of the limiting plates, and they are rotatably installed on the limiting plates through bearings, and are used for actively pressing the indentations of the cardboard.

[0010] Pressing assembly, which is arranged between the two conveying frames and is used for pre-pressing the cardboard.

[0011] Preferably, the shaft heads of the pressing rollers penetrate through the corresponding side of the limiting plates. A first sprocket is installed on the shaft heads of the pressing rollers. A linkage shaft is installed on the shaft head of any one of the pressing rollers. The linkage shaft and the adjacent conveying rollers are传动连接通过齿轮传动方式.

[0012] Preferably, the pressing assembly includes: Fixed frames, there are two of them and they are symmetrically distributed along the length direction of the conveying rollers, and they are installed on the corresponding side of the conveying frames through fixed protrusions.

[0013] Rolling rollers, which are arranged between the two fixed frames and a plurality of them are evenly arranged along the length direction of the fixed frames. Both ends of them are installed on the corresponding side of the fixed frames through bearings, and are used for passively pressing the cardboard.

[0014] Preferably, a horizontal frame is commonly installed at the bottom of any one end of the two conveying frames. A double-shaft cylinder is installed on the horizontal frame through a cylinder seat. Linkage frames are installed on both telescopic ends of the double-shaft cylinder. A limiting frame for limiting the cardboard is installed on the linkage frame. And a through groove for making way for the corresponding side limiting frame is opened on the limiting plate.

[0015] Preferably, a U-shaped frame with an opening facing the conveying rollers is commonly arranged on the conveying frames. The two vertical sections of the U-shaped frame are installed on the corresponding side of the conveying frames. A reversing assembly for reversing the cardboard and a central control assembly electrically connected to the reversing assembly are installed on the horizontal section of the U-shaped frame.

[0016] Preferably, the reversing assembly includes: A reversing shaft, which is rotatably installed through the middle of the horizontal section of the U-shaped frame through a bearing.

[0017] A driving motor, which is installed on the top of the reversing shaft and is used for driving the reversing shaft to rotate. It should be noted that in the original text, "联动轴与相邻的输送辊之间通过齿轮传动方式传动连接" seems to be an incorrect expression. I have translated it as "传动连接通过齿轮传动方式" for the time being. You may need to check and correct it according to the actual situation.

[0018] The telescopic cylinder is installed at the bottom of the reversing shaft through the cylinder seat.

[0019] The reversing plate is installed on the telescopic end of the telescopic cylinder, and a plurality of vacuum suction cups are evenly arranged on the bottom of the reversing plate along the length direction thereof.

[0020] Preferably, a plurality of distance sensors are evenly installed on the horizontal section of the shaped frame along its length direction through connecting protrusions, and the distance sensors, the driving motor and the telescopic cylinder are electrically connected through a central control component.

[0021] Preferably, the limit plates are all slidably provided with limit connecting frames, and the conveying frame is provided with elastic telescopic rods via vertical protrusions, and the telescopic ends of the elastic telescopic rods are connected to the limit connecting frames on the corresponding sides.

[0022] Preferably, a linkage rod is installed on the limit connecting frame, and a driving frame matched with the linkage rod is installed on the limit frame.

[0023] Preferably, the conveying rollers are each provided with a sprocket 2.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. In the limited roller pressing mechanism designed in the present invention, the pressing roller and the pressing assembly cooperate to press the moving cardboard. The pressing roller can actively press the crease of the cardboard during rotation, while the pressing assembly performs passive pressing on the cardboard. The combination of the two ensures that the cardboard can be effectively pressed and flattened during movement, reducing the possibility of resetting at the crease, thereby ensuring that adjacent cardboards are in close contact when stacking, avoiding the risk of slipping due to excessive gaps between cardboards.

[0026] 2. In the reversing assembly designed in the present invention, the reversing shaft can adjust the cardboard by cooperating with the reversing plate and the vacuum suction cup, so that the fold of the cardboard is always perpendicular to the rolling roller and the pressing roller during the movement, thereby ensuring that the rolling roller and the pressing roller always press the cardboard, avoiding the misalignment of the cardboard fold and the pressing roller and the rolling roller, and improving the folding effect of the cardboard fold.

[0027] 3. The present invention can effectively limit the cardboard entering the bottom of the fixed frame by cooperating with the limit connecting frame and the driving frame, ensuring that the cardboard will not deviate when contacting the rolling roller, thereby avoiding the situation where the cardboard fold fails to remain perpendicular to the pressing roller and the rolling roller, thereby ensuring the stability and consistency of the processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0029] Figure 2 It is a schematic diagram of the three-dimensional installation structure between the horizontal frame, the double-axis cylinder and the linkage frame of the present invention.

[0030] Figure 3 The invention is directed to the home. A schematic diagram of the three-dimensional installation structure between the distance sensor and the reversing component.

[0031] Figure 4 It is an electrical flow chart of the present invention.

[0032] Figure 5 It is a schematic diagram of the three-dimensional installation structure between the pressing block, sprocket wheel 1 and linkage shaft etc. of the present invention.

[0033] Figure 6 It is a schematic diagram of the three-dimensional installation structure among the position-limiting connecting frame, the elastic telescopic rod and the linkage rod etc. of the present invention.

[0034] Figure 7 It is a schematic diagram of the three-dimensional installation structure between the conveying frame, the horizontal connecting frame and the horizontal connecting frame of the present invention.

[0035] Figure 8 It is a schematic diagram of the three-dimensional installation structure between the conveying frame, the support plate and the linkage connecting rod etc. of the present invention.

[0036] Fig. 9 The present invention Figure 8 A partial enlarged view of point A.

[0037] Fig.10 The present invention Figure 8 A partial enlarged view of point B.

[0038] Description of the accompanying drawings: 1. conveying frame; 100. cardboard; 11. horizontal frame; 12. double-axis cylinder; 13. linkage frame; 14. limit frame; 15. shaped frame; 151. distance sensor; 16. reversing assembly; 161. reversing shaft; 162. driving motor; 163. telescopic cylinder; 164. reversing plate; 165. vacuum suction cup; 2. conveying roller; 21. sprocket two; 3. limit roller pressing mechanism; 31. limit plate; 311. limit connecting frame; 312. elastic telescopic rod; 313. linkage rod; 3 14. Driving frame; 32. Pressing roller; 321. Sprocket 1; 322. Linking shaft; 33. Pressing assembly; 331. Fixed frame; 332. Rolling roller; 4. Horizontal connecting frame; 41. Rotating roller; 42. Conveyor belt; 43. Support plate; 44. Baffle; 45. Pressing plate; 46. Vertical plate; 47. Pushing plate; 48. Pushing plate; 49. Return spring; 40. Rotating frame; 410. Fixed connecting rod; 411. Aligning connecting plate; 412. Linking connecting rod; 413. Blocking connecting frame; 414. Blocking rod. DETAILED DESCRIPTION

[0039] The following is combined with Figures 1 to 10 This application is described in further detail.

[0040] The embodiment of the present application discloses an automatic stacking device for large quantities of cartons, which performs folding processing on the creases of cardboards by active pressing and passive folding, ensuring that the cardboards can be effectively pressed and flattened during movement, reducing the possibility of resetting the creases, thereby ensuring that adjacent cardboards are in close contact when stacking, avoiding the risk of slipping due to excessive gaps between cardboards.

[0041] Embodiment 1:

[0042] Reference Figure 1 A large-volume automatic stacking device for cartons includes symmetrically arranged conveying frames 1, a plurality of conveying rollers 2 are evenly arranged between the conveying frames 1 along the length direction thereof, and both ends of the conveying rollers 2 are installed on the conveying frames 1 on the corresponding sides through bearings, and a limited roller pressing mechanism 3 is installed on the two conveying frames 1.

[0043] The limiting roller mechanism 3 includes: two limiting plates 31 , which are symmetrically distributed along the length direction of the conveying roller 2 and are installed on the conveying frame 1 on the corresponding side through supporting protrusions to limit the cardboard 100 .

[0044] There are multiple pressing rollers 32 evenly distributed along the length direction of the limiting plate 31 , and rotatably mounted on the limiting plate 31 via bearings, and are used to actively press the indentation of the paperboard 100 .

[0045] The pressing assembly 33 is disposed between the two conveying frames 1 and is used for pre-pressing the paperboard 100 .

[0046] In the limited roller pressing mechanism 3 designed in the present invention, the moving cardboard 100 is pressed by the cooperation of the pressing roller 32 and the pressing assembly 33. The pressing roller 32 can actively press the crease of the cardboard 100 during the rotation process, while the pressing assembly 33 passively presses the cardboard 100. The combination of the two ensures that the cardboard 100 can be effectively pressed and flattened during the movement, reducing the possibility of resetting at the crease, thereby ensuring that adjacent cardboards 100 are in close contact when stacking, avoiding the risk of slipping due to excessive gaps between the cardboards 100.

[0047] Reference Figure 1 The conveying rollers 2 are each provided with a sprocket 21 .

[0048] Before the cardboard 100 is conveyed, all the second sprockets 21 are jointly driven and connected by an existing chain. An existing motor (not shown in the figure) drives any one of the conveying rollers 2 to rotate. During the rotation of the conveying roller 2, the remaining conveying rollers 2 are driven to rotate through the cooperation of the second sprockets 21 and the chain. During the rotation of the conveying roller 2, the cardboard 100 placed on the conveying roller 2 can be conveyed and processed.

[0049] Refer to Figure 2 , since the cardboard 100 placed on the conveying roller 2 may be in a mess and not perpendicular or parallel to the pressing roller 32, the limiting frame 14 provided by the present invention can perform pre-limiting processing on the cardboard 100 placed on the conveying roller 2 and not entering the bottom of the pressing roller 32. Specifically, a horizontal frame 11 is jointly installed at the bottom of any one end of the two conveying frames 1. A double-acting cylinder 12 is installed on the horizontal frame 11 through a cylinder seat. Linkage frames 13 are installed on both telescopic ends of the double-acting cylinder 12. A limiting frame 14 for limiting the cardboard 100 is installed on the linkage frame 13, and a through groove for making way for the corresponding side limiting frame 14 is opened on the limiting plate 31.

[0050] A guiding section is provided on one side of the limiting plate 31 close to the through groove, so that the opening between the two limiting plates 31 becomes larger, guiding the cardboard 100 and facilitating the cardboard 100 to enter between the two limiting plates 31. Specifically, when working, when the cardboard 100 is placed on the conveying roller 2, it is laid flat on the conveying roller 2. At this time, the double-acting cylinder 12 is started. During the movement of the telescopic end of the double-acting cylinder 12, the limiting frame 14 is driven to move towards each other through the linkage frame 13. During the movement of the linkage frame 13 towards each other, the cardboard 100 can be leveled so that the crease on the cardboard 100 is perpendicular or horizontal to the pressing roller 32, thereby avoiding the cardboard 100 being deflected at a certain angle with the pressing roller 32 and affecting the subsequent crease pressing effect of the cardboard 100.

[0051] Refer to Figure 3 , during the process of the conveying roller 2 driving the cardboard 100 to move horizontally, if the crease of the cardboard 100 is parallel to the pressing roller 32, at this time, the cardboard 100 can be reversed through the reversing shaft 161 to ensure that the crease of the cardboard 100 is perpendicular to the pressing roller 32. Specifically, a U-shaped frame 15 with an opening facing the conveying roller 2 is jointly provided on the conveying frame 1. The two vertical sections of the U-shaped frame 15 are installed on the corresponding side of the conveying frame 1. A reversing assembly 16 for reversing the cardboard 100 and a central control assembly electrically connected to the reversing assembly 16 are installed on the horizontal section of the U-shaped frame 15.

[0052] The reversing assembly 16 includes: a reversing shaft 161, which is rotatably installed through a bearing in the middle of the horizontal section of the U-shaped frame 15.

[0053] A driving motor 162, which is installed on the top of the reversing shaft 161 and is used to drive the reversing shaft 161 to rotate.

[0054] The telescopic cylinder 163 is installed at the bottom of the reversing shaft 161 through a cylinder seat.

[0055] The reversing plate 164 is mounted on the telescopic end of the telescopic cylinder 163, and a plurality of vacuum suction cups 165 are evenly arranged at the bottom of the reversing plate 164 along its length direction.

[0056] The vacuum suction cup 165 controls the pressure difference between the inside and outside thereof by the existing air pump, that is, when the cardboard 100 is adsorbed, the gas inside the vacuum suction cup 165 is extracted by the existing air pump, and at this time, a pressure difference appears inside and outside the vacuum suction cup 165, and the vacuum suction cup 165 fixes the cardboard 100 on the reversing plate 164. When the vacuum suction cup 165 and the cardboard 100 need to be detached, gas is blown into the vacuum suction cup 165 by the existing air pump to make the pressure difference inside the vacuum suction cup 165 consistent, and at this time, the vacuum suction cup 165 and the cardboard 100 are detached.

[0057] During specific operation, when the fold of the cardboard 100 is parallel to the pressing roller 32, the telescopic cylinder 163 is started at this time. During the movement of the telescopic end of the telescopic cylinder 163, the reversing plate 164 is driven to move downward and the vacuum suction cup 165 is abutted against the cardboard 100. The vacuum suction cup 165 fixes the cardboard 100 on the reversing plate 164. At this time, the telescopic end of the telescopic cylinder 163 cooperates with the reversing plate 164 and the vacuum suction cup 165 to drive the cardboard 100 to move up a distance so that the cardboard 100 moves out of between the two limit plates 31, avoiding the possibility of collision between the cardboard 100 and the limit plates 31 when reversing between the limit plates 31. At this time, the drive motor 162 is started. During the rotation of the output shaft of the drive motor 162, the reversing shaft 161 is driven to rotate a certain angle (90 degrees). At this time, the cardboard 100 rotates 90 degrees synchronously, that is, the fold of the cardboard 100 is perpendicular to the pressing roller 32 at this time.

[0058] Then the telescopic cylinder 163 is started, and its telescopic end drives the reversing plate 164 to move downward and reposition the reversing paperboard 100 on the conveying roller 2, thereby ensuring that the paperboard 100 entering the bottom of the pressing roller 32 is perpendicular to the pressing roller 32.

[0059] Refer to 3 and Figure 4 The central control component provided by the present invention can adaptively adjust the direction of the cardboard 100. Specifically, a plurality of distance sensors 151 are evenly installed on the horizontal section of the molded frame 15 along its length direction through connecting protrusions, and the distance sensor 151, the drive motor 162 and the telescopic cylinder 163 are electrically connected through the central control component.

[0060] The central control component includes a central control panel disposed on the U-shaped frame 15 and a central control unit disposed inside the central control panel. The central control unit includes a central control module, a cylinder control module electrically connected to the central control module, a motor control module electrically connected to the central control module, and a distance sensing module electrically connected to the central control module.

[0061] The cylinder control module is electrically connected to the telescopic cylinder 163, the motor control module is electrically connected to the driving motor 162, and the distance sensing module is electrically connected to the distance sensor 151.

[0062] Since the heights on the left and right of the crease of the cardboard 100 are different, the distance sensor 151 can be used to determine whether the cardboard 100 is parallel or perpendicular. Specifically, during operation, if the crease of the cardboard 100 is perpendicular to the pressing roller 32, at this time, the distance measured by the distance sensor 151 from the cardboard 100 is a fixed value (that is, there is no obvious distance jump value during the movement of the cardboard 100), which indicates that the cardboard 100 does not need to be adjusted for commutation.

[0063] If the crease of the cardboard 100 is parallel to the pressing roller 32, at this time, the distance measured by the distance sensor 151 from the cardboard 100 is a variable value (that is, the distances measured by the distance sensor 151 before and after the crease of the cardboard 100 are different, and there is a distance jump value during the movement of the cardboard 100). At this time, the distance sensor 151 transmits the signal to the distance sensing module, and the distance sensing module transmits the signal to the central control module. After the central control module processes the signal, it transmits the signal to the cylinder control module and the motor control module. At this time, the cylinder control module and the motor control module respectively transmit the signal to the telescopic cylinder 163 and the driving motor 162. Then, the telescopic cylinder 163 and the driving motor 162 cooperate with each other to perform an adaptive commutation process on the cardboard 100 through the commutation plate 164, ensuring that the indentation of the cardboard 100 entering the bottom of the pressing roller 32 is always perpendicular to it, so as to ensure that the rolling roller 332 always performs a vertical pressing process on the crease of the cardboard 100, avoiding the dislocation of the crease of the cardboard 100 and the pressing roller 32, and improving the creasing effect of the crease of the cardboard 100.

[0064] Refer to Figure 5 , the shaft head of the pressing roller 32 penetrates through the corresponding side limiting plate 31, a first sprocket 321 is installed on the shaft head of the pressing roller 32, and a linkage shaft 322 is installed on the shaft head of any one pressing roller 32. The linkage shaft 322 is传动连接 to the adjacent conveying roller 2 through a gear transmission method.

[0065] The pressing component 33 includes: a fixed frame 331, which is provided with two symmetrically distributed along the length direction of the conveying roller 2 and is installed on the corresponding side conveying frame 1 through fixed protrusions.

[0066] It should be noted that there is an error in the original text "联动轴322与相邻的输送辊2之间通过齿轮传动方式传动连接." The correct expression should be "联动轴322与相邻的输送辊2之间通过齿轮传动方式连接." The translation has been corrected accordingly.The pressing rollers 332 are arranged between the two fixed frames 331 and are evenly arranged along the length direction of the fixed frames 331 . Both ends of the pressing rollers 332 are mounted on the fixed frames 331 on the corresponding sides through bearings to passively press the paperboard 100 .

[0067] All sprockets 321 are connected together through the existing chain. During the rotation of the conveying roller 2, the linkage shaft 322 is driven to rotate through the gear transmission method. During the rotation of the linkage shaft 322, the corresponding pressing roller 32 is driven to rotate. During the rotation of the pressing roller 32, the sprocket 321 and the existing chain cooperate with each other to drive the remaining pressing rollers 32 to rotate.

[0068] The height of the rolling roller 332 from the conveying roller 2 is slightly smaller than the thickness of the cardboard 100, so as to avoid the rolling roller 332 being too close to the conveying roller 2, which causes the cardboard 100 to be unable to enter the bottom of the rolling roller 332, and the rolling roller 332 closest to the mold frame 15 is driven to rotate by an external driving force (motor, etc.), so that the rolling roller 332 can drive the cardboard 100 to enter the remaining rolling rollers 332, avoiding the cardboard 100 from being blocked there, and a guide slope is provided at one end of the fixed frame 331 close to the mold frame 15, which is used to guide the cardboard 100 so that the staff can smoothly enter the bottom of the fixed frame 331.

[0069] During specific operation, the cardboard 100 first enters the bottom of the rolling roller 332. The conveying roller 2 cooperates with the rolling roller 332 to pre-treat the cardboard 100 during the conveying process. At this time, the rolling roller 332 passively presses the cardboard 100 during the movement. When the cardboard 100 moves to the bottom of the pressing roller 32, the pressing roller 32 in the rotating process can actively press the folds at both ends of the cardboard 100. At the same time, the pressing roller 32 can also convey the cardboard 100 during the rotation process to avoid relative sliding of the cardboard 100 between the conveying roller 2 and the rolling roller 332, which affects the conveying efficiency of the duty.

[0070] Then, the pressing roller 32 and the rolling roller 332 cooperate with each other to press the moving cardboard 100. The pressing roller 32 can actively press the creases of the cardboard 100 during rotation. The combination of the two ensures that the cardboard 100 can be effectively pressed and flattened during movement, reducing the possibility of resetting the creases.

[0071] Reference Figure 6In order to ensure that the cardboard 100 does not deviate when entering the fixed frame 331, the limiting connecting frame 311 provided by the present invention can perform secondary limiting processing on the cardboard 100 entering the fixed frame 331. Specifically, the limiting connecting frame 311 is slidably arranged on the limiting plate 31, and an elastic telescopic rod 312 is installed on the conveying frame 1 through a vertical protrusion, and the telescopic end of the elastic telescopic rod 312 is connected to the limiting connecting frame 311 on the corresponding side.

[0072] A linkage rod 313 is installed on the limiting connecting frame 311 , and a driving frame 314 matched with the linkage rod 313 is installed on the limiting frame 14 .

[0073] During specific operation, the limiting frame 14 drives the driving frame 314 to move synchronously during the movement toward each other. During the movement of the driving frame 314, the limiting connecting frame 311 is driven to move toward each other through the linkage rod 313. At this time, the elastic telescopic rod 312 is stretched, and the limiting connecting frame 311 can limit the cardboard 100 that has just entered the fixed frame 331, ensuring that the cardboard 100 enters the fixed frame 331 in a state perpendicular to the rolling roller 332, reducing the possibility of the cardboard 100 being offset. When the limiting frame 14 is movable, the linkage rod 313 is no longer subjected to the pressure of the driving frame 314, and the elastic telescopic rod 312 can reset the limiting connecting frame 311 and the linkage rod.

[0074] The cardboard 100 after crease pressing falls on the end of the conveyor frame 1 away from the mold frame 15, and is stacked one by one for stacking.

[0075] Embodiment 2:

[0076] Reference Figures 1 to 10 On the basis of the first embodiment, in order to improve the stacking effect of the cardboard 100, the pressure plate 45 provided by the present invention cooperates with the conveyor belt 42 to reduce the possibility of the cardboard 100 stacking slipping. Specifically, a horizontal connecting frame 4 is installed at the bottom of the conveyor frame 1 through a supporting connecting frame, and a rotating roller 41 is installed between the horizontal connecting frames 4 through a bearing, and a conveyor belt 42 is installed between the rotating rollers 41. A support plate 43 for supporting the conveyor belt 42 is installed between the two horizontal connecting frames 4 through an extended protrusion. A plurality of baffles 44 are evenly installed on the conveyor belt 42 along its length direction, and the baffles 44 are symmetrically arranged along the width direction of the conveyor belt 42. A pressure plate 45 for applying pressure to the cardboard 100 is installed between the two conveyor frames 1 and at the bottom of the conveyor roller 2 through a supporting round rod.

[0077] In order to avoid the possibility of collapse of the stacked cardboard 100 due to excessive height, the number of layers of the stacked cardboard 100 in this example is about ten. During operation, after the cardboard 100 is indented and folded, the cardboard 100 is transported by the conveying roller 2 and falls on the conveyor belt 42 in a parabolic trajectory. At this time, the baffle 44 can limit the cardboard 100 to avoid the possibility of the cardboard 100 falling outside the conveyor belt 42. As the cardboard 100 falls and is stacked to a certain height, the rotating roller 41 is driven to rotate by an external drive (motor, etc.). During the rotation of the rotating roller 41, the stacked cardboard 100 moves toward the side of the pressing plate 45 through the cooperation between the conveyor belt 42 and the baffle 44. At this time, the stacked cardboard 100 enters the bottom of the pressing plate 45, and the pressing plate 45 and the supporting plate 43 cooperate with each other to press the cardboard 100 again, thereby reducing the reset stress at the fold of the cardboard 100 and further reducing the gap between the cardboards 100.

[0078] A guide protrusion is provided at one end of the pressing plate 45 close to the point where the cardboard 100 falls on the conveyor belt 42, so that the entrance area of ​​the cardboard 100 entering the bottom of the pressing plate 45 is increased, which facilitates the cardboard 100 to enter the bottom of the pressing plate 45, and the baffle 44 can also push the cardboard 100 during the process of conveying the cardboard 100 by the conveyor belt 42, wherein the spacing between two adjacent groups of baffles 44 is less than the fold length of the cardboard 100, thereby facilitating the cardboard 100 to fall between the two groups of baffles 44.

[0079] A vertical plate 46 is installed on the horizontal connecting frame 4, and a push plate 47 is slidably arranged on the vertical plate 46 along the length direction of the conveyor belt 42. An alignment plate 48 is installed on the opposite surface of the push plate 47, and a return spring 49 is installed between the alignment plate 48 and the vertical plate 46 on the same side. The shaft head of the conveying roller 2 close to the vertical plate 46 passes through the conveying frame 1 on the corresponding side, and a rotating frame 40 is installed on the shaft head of the conveying roller 2. The end of the push plate 47 away from the alignment plate 48 is provided with an inclined surface.

[0080] During specific operation, the conveying roller 2 rotates synchronously during the falling process of the cardboard 100. During the rotation of the conveying roller 2, the rotating frame 40 and the inclined surface cooperate with each other to drive the pushing plate 47 to move toward each other. During the movement of the pushing plate 47, the alignment plate 48 is pushed to move toward each other. During the movement of the alignment plate 48, the cardboard 100 dropped on the conveyor belt 42 can be aligned in the width direction to avoid the possibility of the cardboard 100 slipping during the subsequent pressing process due to mutual misalignment. The reset spring 49 resets the alignment plate 48 after the rotating frame 40 is separated from the inclined surface.

[0081] The horizontal connecting frame 4 is also provided with a fixed connecting rod 410 with an L-shaped structure. The vertical section of the fixed connecting rod 410 is installed on the horizontal connecting frame 4. The opposite surface of the horizontal section of the fixed connecting rod 410 is installed with an alignment connecting plate 411 through a spring hinge. The alignment plate 48 is installed with a linkage connecting rod 412 for pushing the alignment connecting plate 411 to rotate. A blocking connecting frame 413 is commonly installed at the bottom of the two conveying frames 1, and a blocking rod 414 is symmetrically installed at the bottom of the blocking connecting frame 413 along its length direction.

[0082] During specific operation, when the conveyor belt 42 drives the cardboard 100 to contact the blocking rod 414, the baffle plate 44 cooperates with the blocking rod 414 to align the cardboard 100, so that the cardboard 100 is aligned in the length direction, wherein the blocking rod 414 performs passive alignment on the cardboard 100, and the baffle plate 44 can actively align the cardboard 100 during the movement process, so that the alignment effect of the cardboard 100 in the length direction is better, and the alignment plate 48 synchronously drives the linkage rod 412 to move toward each other during the movement of the linkage rod 412, and the alignment link plate 411 is driven to swing around the spring hinge during the movement of the linkage link plate 411, and the pressed cardboard 100 can be secondary aligned during the swinging process of the alignment link plate 411 to ensure the flatness of the side of the stacked cardboard 100

[0083] The implementation principle of the present invention is:

[0084] (1): When the cardboard 100 is placed on the conveying roller 2, it is laid flat on the conveying roller 2. At this time, the double-axis cylinder 12 is started. During the movement of the telescopic end of the double-axis cylinder 12, the limiting frame 14 is driven to move toward each other through the linkage frame 13. During the movement of the linkage frame 13, the cardboard 100 can be flattened so that the fold on the cardboard 100 is vertical or horizontal to the pressing roller 32.

[0085] (2): When the fold of the cardboard 100 is parallel to the pressing roller 32, the telescopic cylinder 163 is started. During the movement of the telescopic end of the telescopic cylinder 163, the reversing plate 164 is driven downward and the vacuum suction cup 165 is pressed against the cardboard 100. The vacuum suction cup 165 fixes the cardboard 100 on the reversing plate 164. At this time, the telescopic end of the telescopic cylinder 163 cooperates with the reversing plate 164 and the vacuum suction cup 165 to drive the cardboard 100 to move up a certain distance so that the cardboard 100 moves out from between the two limit plates 31. At this time, the drive motor 162 is started. During the rotation of the output shaft of the drive motor 162, the reversing shaft 161 is driven to rotate a certain angle (90 degrees). At this time, the cardboard 100 rotates 90 degrees synchronously, that is, at this time, the fold of the cardboard 100 is perpendicular to the pressing roller 32.

[0086] (3): The cardboard 100 first enters the bottom of the pressing roller 332. The conveying roller 2 cooperates with the pressing roller 332 during the conveying process of the cardboard 100 to pre-treat the cardboard 100. At this time, the pressing roller 332 passively presses the cardboard 100 during the moving process. When the cardboard 100 moves to the bottom of the pressing roller 32, the pressing roller 32 during the rotating process can actively press the folds at both ends of the cardboard 100.

[0087] (4): The cardboard 100 after crease pressing falls on the end of the conveying frame 1 away from the molding frame 15, and is stacked one by one for stacking.

[0088] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0089] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automatic stacking device for large quantities of cartons, comprising a symmetrically arranged conveying frame (1), characterized in that: A plurality of conveying rollers (2) are evenly arranged between the conveying frames (1) along their length direction, and both ends of the conveying rollers (2) are mounted on the conveying frames (1) on the corresponding sides via bearings. A limited roller pressing mechanism (3) is commonly mounted on the two conveying frames (1), wherein: The position-limiting rolling mechanism (3) comprises: Two limiting plates (31) are provided and symmetrically distributed along the length direction of the conveying roller (2), and are installed on the conveying frame (1) on the corresponding side through supporting protrusions, and are used to limit the cardboard (100); A plurality of pressing rollers (32) are provided and are evenly distributed along the length direction of the limiting plate (31), and are rotatably mounted on the limiting plate (31) via bearings, and are used to actively press the indentation of the paperboard (100); The pressing component (33) is arranged between the two conveying racks (1) and is used for pre-pressing the paperboard (100).

2. The large-volume automatic stacking equipment for cartons according to claim 1 is characterized by: The shaft head of the pressing roller (32) passes through the limiting plate (31) on the corresponding side, a sprocket wheel (321) is installed on the shaft head of the pressing roller (32), a linkage shaft (322) is installed on the shaft head of any pressing roller (32), and the linkage shaft (322) is connected to the adjacent conveying roller (2) through a gear transmission method.

3. The large-volume automatic stacking equipment for cartons according to claim 1 is characterized by: The pressing component (33) comprises: A fixed frame (331) is provided with two symmetrically distributed along the length direction of the conveying roller (2) and mounted on the conveying frame (1) on the corresponding side via fixed protrusions; The rolling roller (332) is arranged between the two fixed frames (331) and is evenly arranged in a plurality along the length direction of the fixed frames (331). Both ends of the rolling roller (332) are mounted on the fixed frames (331) on the corresponding sides through bearings, and are used for passively pressing the paperboard (100).

4. The large-volume automatic stacking equipment for cartons according to claim 1 is characterized by: A horizontal frame (11) is commonly installed at the bottom of any one end of the two conveying frames (1), a double-axis cylinder (12) is installed on the horizontal frame (11) through a cylinder seat, and linkage frames (13) are installed on both telescopic ends of the double-axis cylinder (12), and a limiting frame (14) for limiting the cardboard (100) is installed on the linkage frame (13), and a through groove for giving way to the corresponding side limiting frame (14) is opened on the limiting plate (31).

5. The large-volume automatic stacking equipment for cartons according to claim 1 is characterized by: The conveying frame (1) is provided with a shaped frame (15) whose opening faces the conveying roller (2); two vertical sections of the shaped frame (15) are installed on the conveying frame (1) on the corresponding side; a reversing component (16) for reversing the cardboard (100) and a central control component electrically connected to the reversing component (16) are installed on the horizontal section of the shaped frame (15).

6. The large-volume automatic stacking equipment for cartons according to claim 5 is characterized by: The reversing assembly (16) comprises: The reversing shaft (161) is rotatably mounted on the middle part of the horizontal section of the profile frame (15) through a bearing; A driving motor (162) is mounted on the top of the reversing shaft (161) and is used to drive the reversing shaft (161) to rotate; A telescopic cylinder (163) is mounted on the bottom of the reversing shaft (161) through a cylinder seat; The reversing plate (164) is mounted on the telescopic end of the telescopic cylinder (163), and a plurality of vacuum suction cups (165) are evenly arranged at the bottom of the reversing plate (164) along its length direction.

7. The large-volume automatic stacking equipment for cartons according to claim 6 is characterized by: A plurality of distance sensors (151) are evenly installed on the horizontal section of the profile frame (15) along its length direction via connecting protrusions, and the distance sensors (151), the drive motor (162) and the telescopic cylinder (163) are electrically connected via a central control component.

8. The large-volume automatic stacking equipment for cartons according to claim 4 is characterized by: The limit plates (31) are all slidably provided with limit connecting frames (311), and the conveying frame (1) is provided with elastic telescopic rods (312) via vertical protrusions, and the telescopic ends of the elastic telescopic rods (312) are connected to the limit connecting frames (311) on the corresponding sides.

9. The large-volume automatic stacking equipment for cartons according to claim 8 is characterized by: A linkage rod (313) is installed on the position-limiting connecting frame (311), and a driving frame (314) matched with the linkage rod (313) is installed on the position-limiting frame (14).

10. The large-volume automatic stacking equipment for cartons according to claim 1 is characterized by: The conveying rollers (2) are each provided with a sprocket wheel 2 (21).

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