A packaging apparatus with an emergency adjustment upper pressing carton conveying mechanism

Abstract

The application relates to the technical field of conveying equipment and discloses a packaging equipment with an emergency adjusting upper pressing carton conveying mechanism, which comprises a support, a plurality of upper conveying frames and lower conveyors which are equidistantly arranged and connected with the support, the upper conveying frames are located above the lower conveyors and the number of the upper conveying frames is equal to that of the lower conveyors, the other side of the supporting rod is located in the interior of the seven-shaped frame, the splicing plate is slidably connected with the first guide plate, the driving piece slowly presses downward from one side of the upper conveying frame through the pressing holder, and when the seven-shaped frame moves transversely and reciprocally, the supporting rod and the roller are pressed and pulled back from the other side of the upper conveying frame in one direction. The double emergency protection system is constructed through the pulling-back regulation structure of the driving piece, the pressing holder and the roller, the connecting rod and the rocker form lever transmission, a plurality of groups of compression rollers are driven to flexibly press downward, the acute angle storage space formed by the upper and lower conveying belts can temporarily store materials, the forward moving and extrusion trend of the carton pieces in the fault state is limited, the continuous feeding of the front-end materials is guaranteed, and the operation stability of the production line is improved.

Description

Technical Field

[0001] This invention relates to the technical field of conveying equipment, and more particularly to a packaging equipment with an emergency adjustment upper pressing carton conveying mechanism. Background Technology

[0002] In industrial production, finished cardboard boxes are not formed as a single piece, but are made by splicing, folding and combining multiple independent cardboard pieces. During the automated production and conveying of cardboard pieces, the equipment in each process of the production line works together to complete the entire process of cardboard piece material making, conveying, integration and forming, thereby ensuring the stable shaping of the cardboard packaging.

[0003] However, in existing technologies, the entire production line is not a unified set of equipment from a single manufacturer. Instead, it is assembled by purchasing specialized equipment from different manufacturers according to the production needs of each process. The control systems, start-stop logic, and response speeds of each piece of equipment are different. The front-end material forming production line continuously produces and processes cardboard boxes, which are then uniformly transported backward by the intermediate conveyor line. Finally, the back-end integration equipment completes the sorting, stacking, and conveying of the cardboard boxes. Under normal production conditions, the start-stop rhythms of each piece of equipment are matched, and material conveying is smooth without material accumulation or jamming. However, if the back-end integration equipment experiences a sudden mechanical failure, according to the equipment's preset safety procedures, the back-end integration equipment... When a self-protection mechanism is detected, such as a malfunction, abnormal load, or shutdown, it will immediately and automatically shut down the equipment, ceasing material integration and conveying operations. Simultaneously, the interconnected intermediate conveyor will receive a fault signal, stop its drive mechanism, and terminate the carton sheet conveying, thus preventing continuous material input to the faulty downstream equipment and avoiding material jamming issues. However, due to the separate procurement of production line equipment, the shutdown process has unavoidable time differences and control blind spots. Specifically, the front-end material preparation equipment is an independent production line component and does not belong to the same control linkage system as the intermediate conveyor and downstream integration equipment. Therefore, the front-end material preparation equipment cannot be integrated with the downstream equipment. The machine stops abruptly. Simultaneously, because the front-end material processing line operates on a continuous production model and contains materials, an emergency stop of the front-end line locks the moving parts, causing material jamming and squeezing the transmission structure, which can easily lead to damage. Furthermore, the materials on the front-end production line have their own inertia, continuing to process and output new cardboard boxes according to the original production procedure. At this point, the middle and rear sections of the entire production line are completely stopped, with no material conveying channels or working space. Meanwhile, the cardboard boxes continuously produced at the front end are pushed outwards, directly squeezing the already formed and awaiting cardboard boxes in front. Under the continuous pushing force of the front-end material processing equipment, the internal components of the production line... Cardboard boxes are stacked layer upon layer, pressing against each other. The pressure between the materials increases continuously, creating a forward thrust. The compressed cardboard boxes cannot be conveyed backward and have nowhere to release the pressure. They are eventually forcibly pushed into the already stagnant front-end integration equipment. This not only causes a large number of cardboard boxes to be squeezed, deformed, and damaged, resulting in material waste, but also jams the equipment's transmission components, exacerbating equipment failure and wear. At the same time, the stacked cardboard boxes stuck inside the equipment are tightly arranged and under strong pressure, making manual disassembly and cleaning difficult. It requires disassembling external components of the equipment and gradually loosening the stuck materials, which is time-consuming and labor-intensive, causing the production line to be shut down for a long time and seriously affecting the overall production efficiency. Summary of the Invention

[0004] The purpose of this invention is to provide a packaging equipment with an emergency adjustment upper pressing carton conveying mechanism to solve the problem of misaligned material stacking during simultaneous shutdown of separate production lines.

[0005] The technical solution of the present invention is as follows: a packaging equipment with an emergency adjustment upper pressing carton conveying mechanism, including a support frame, and multiple upper conveyor frames and lower conveyors equidistantly arranged and all connected to the support frame, a driving component disposed on the upper conveyor frame, a pressing component fixedly connected to the driving component, a first guide plate and a guide frame disposed on one side of the upper conveyor frame, a V-frame disposed between the first guide plate and the guide frame, a support rod slidably connected to the V-frame, an assembly sleeve and a splicing plate snapped onto both sides of the V-frame in the lateral reciprocating direction, and a roller rotatably connected to the bottom end of the support rod. The splicing plate snaps onto the right side of the V-frame. The upper conveyor frames are located above the lower conveyors and the number of the two is equal. One side of the support rod is located inside the guide frame, and the other side of the support rod is located inside the V-frame. The splicing plate is slidably connected to the first guide plate. The driving component slowly presses downward from a position near the rear end of the upper conveyor frame through the pressing component. When the V-frame moves laterally reciprocating, it drives the support rod and roller in one direction to press and pull back from a position near the front end of the upper conveyor frame.

[0006] Furthermore, an upper conveyor belt is fitted onto the upper conveyor frame, a tension spring adjuster is provided on one side of the upper conveyor frame, a cylinder is provided at one end of the upper conveyor frame, a pressure plate is fixedly connected to the other side of the upper conveyor frame, an expansion joint and a housing are fixedly connected to the pressure plate, a bushing is slidably connected to the upper conveyor frame, the bushing is fixedly connected to the output end of the cylinder, and multiple arc grooves are equidistantly opened on the upper conveyor frame.

[0007] Furthermore, the output end of the telescopic device is fixedly connected to a base block, the base block has a vertical groove, and a sliding shaft is fixedly connected to one side of the splicing plate, the sliding shaft being slidably connected inside the vertical groove.

[0008] Furthermore, the first guide plate and the guide frame are fixedly connected to the upper conveyor frame through a housing. The first guide plate has a guide slot, which is divided into an inclined slot section and a straight slot section. The guide frame has an inner slot, the horizontal length of which is equal to the length of which is equal to the length of which is equal to the vertical height of which is equal to the ...

[0009] Furthermore, the lower conveyor includes a lower conveyor frame connected to the bracket, a lower conveyor belt sleeved on the lower conveyor frame, and a support plate fixedly connected to one side of the lower conveyor frame. The upper conveyor belt and the lower conveyor belt have the same width. The pressure plate is located above the support plate. When the cylinder is fully extended, the distance between the bottom surface of the upper conveyor belt and the lower conveyor belt is less than the distance between the bottom surface of the upper conveyor frame and the lower conveyor belt.

[0010] Furthermore, a square block is provided on one side of the support rod, and a round shaft is provided on the other side of the support rod. A trigger spring is connected between the scissor frame and the support rod. A square sliding groove is provided on the scissor frame, and a magnetic block is provided at the bottom of the square sliding groove. The square block is slidably connected inside the square sliding groove. A vertical groove is provided on the assembly sleeve, and the round shaft passes through the vertical groove and fits against the inner wall of the inner groove.

[0011] Furthermore, the driving component includes a push cylinder with one end rotatably connected to the upper conveyor frame, a connecting rod rotatably connected to the output end of the push cylinder, and multiple rockers equidistantly arranged, each with its center rotatably connected to the upper conveyor frame. One end of each rocker is rotatably connected to the connecting rod, and the other end of each rocker is rotatably connected to the pressing component.

[0012] Furthermore, the pressing component includes a crossbar, multiple spring plates equidistantly arranged and all fixedly connected to one side of the crossbar, and a pressure roller rotatably connected to the spring plates. A horizontal shaft is fixedly connected to the other side of the crossbar, and the horizontal shaft passes through a bushing and is rotatably connected to a rocker arm.

[0013] Furthermore, the seven-shaped frame is made of hard plastic, and the top and bottom of the support rod are inclined towards the bushing. When the magnetic block is attracted to the square block, it locks the stretched trigger spring.

[0014] Furthermore, when the telescopic device is fully extended, the distance between the roller and the lower conveyor belt is greater than the height of the trough opening.

[0015] The beneficial effects of this invention are: A dual emergency protection system is constructed through a drive mechanism, a holding mechanism, and a roller pull-back and straightening structure. A lever transmission system consisting of connecting rods and rockers drives multiple sets of pressure rollers to press down flexibly. The elasticity of the spring plates provides gentle pressure and limit the carton pieces, preventing hard compression and damage. At the same time, the telescopic device drives the L-shaped frame to move laterally, and with the guidance of the guide slot, the rollers move down to fit the material and pull back inward to straighten it. This evenly collects the disorderly piled carton pieces in the conveyor channel. The sharp-angled storage space formed by the upper and lower conveyor belts can temporarily store materials, limiting the forward compression tendency of the carton pieces in the event of a failure, ensuring continuous material feeding at the front end, improving the stability of the production line, and ensuring that the subsequent carton pieces are folded into secure cartons.

[0016] Through the coordinated structure of the scissor frame, trigger spring, magnetic block, and guide inclined section, a unidirectional drive effect of downward pushing and no-load reset is achieved, effectively avoiding secondary disturbance to the buffered material during the equipment reset process, ensuring the neatness of the stored material. In emergency operation, the telescopic device retracts, driving the sliding shaft to move down along the inclined section, driving the roller to press down and push the material, completing the neat storage of the carton pieces. When the telescopic device extends and resets, the round shaft contacts the guide frame inclined section and moves upward, driving the support rod to move upward, separating the magnetic block from the square block. The trigger spring rebounds, causing the roller to lift and avoid, allowing the roller to completely detach from the material during the scissor frame reset process, without pushing the neatly arranged carton pieces in the opposite direction. Throughout the process, the buffered material is kept tightly and evenly arranged, without any scattering or displacement problems.

[0017] The three sets of upper and lower conveyor components feature a fixed middle component and horizontally adjustable side components, allowing for flexible adjustment of the conveyor spacing based on the width of the carton pieces. The spacing between the upper and lower conveyor frames can be finely adjusted to accommodate the thickness of the carton, meeting the processing needs of cartons of different sizes and thicknesses. A tension spring adjuster compensates for the tension of the upper conveyor belt in real time, preventing belt slack and deformation during long-term operation and ensuring continuous flatness and precision. A cylinder drives the bushing to slide, quickly switching between horizontal conveying and inclined storage modes, making mode switching convenient and efficient. Furthermore, the matching width of the upper and lower conveyor belts and the complete alignment of the conveying surfaces, combined with multiple sets of equidistant pressure rollers applying pressure synchronously, ensures uniform force distribution across the entire width of the carton pieces during conveying, preventing material deviation and misalignment. Attached Figure Description

[0018] Figure 1 This is a first-view three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the conveyor structure of the present invention; Figure 3 This is a schematic diagram of the structure of the driving component of the present invention; Figure 4 This is a schematic diagram of the structure of the pressure-holding component of the present invention; Figure 5 This is a schematic diagram of the upper conveyor frame of the present invention; Figure 6 This is a schematic diagram of the structure of the first guide plate of the present invention; Figure 7 This is a schematic diagram of the guide frame of the present invention; Figure 8 This is a schematic diagram of the splicing panel of the present invention; Figure 9 This is a schematic diagram of the support rod of the present invention; Figure 10 This is a schematic diagram of the structure of the seven-character frame of the present invention.

[0019] In the picture: 1. Support frame; 2. Upper conveyor frame; 21. Upper conveyor belt; 22. Tension spring adjuster; 23. Cylinder; 24. Pressure plate; 25. Expansion joint; 251. Base block; 252. Vertical groove; 26. Housing; 201. Bushing; 202. Arc groove; 3. Lower conveyor; 31. Lower conveyor frame; 32. Lower conveyor belt; 33. Support plate; 4. Drive component; 41. Push cylinder; 42. Connecting rod; 43. Rocker arm; 5. Holding component; 51. Crossbar; 52. 53. Spring plate; 501. Pressure roller; 6. Horizontal shaft; 7. First guide plate; 81. Guide groove; 911. Inclined groove section; 10. Straight groove section; 11. Guide frame; 2. Inner groove; 3. Inclined section; 4. Seven-shaped frame; 52. Trigger spring; 6. Magnetic block; 73. Square sliding groove; 84. Support rod; 95. Square block; 16. Round shaft; 17. Assembly sleeve; 18. Vertical groove; 19. Splicing plate; 10. Sliding shaft; 11. Roller. Detailed Implementation

[0020] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0021] Reference Figures 1-10 This invention provides a packaging device with an emergency adjustable upper pressing carton conveying mechanism, comprising a support 1, multiple upper conveyor frames 2 and lower conveyors 3 equidistantly arranged and connected to the support 1, a driving component 4 mounted on the upper conveyor frame 2, a pressing component 5 fixedly connected to the driving component 4, a first guide plate 6 and a guide frame 7 mounted on one side of the upper conveyor frame 2, a V-frame 8 mounted between the first guide plate 6 and the guide frame 7, a support rod 9 slidably connected to the V-frame 8, and assembly sleeves 10 and splicing sleeves 10 snapped onto both sides of the V-frame 8 along the lateral reciprocating movement direction. The splicing plate 11 and the roller 12 rotatably connected to the bottom of the support rod 9 are attached to the right side of the scissor frame 8. The upper conveyor frame 2 is located above the lower conveyor 3 and the two are equal in number. One side of the support rod 9 is located inside the guide frame 7, and the other side of the support rod 9 is located inside the scissor frame 8. The splicing plate 11 is slidably connected to the first guide plate 6. The driving component 4 is slowly pressed downward from the position near the rear end of the upper conveyor frame 2 through the pressing component 5. When the scissor frame 8 moves laterally back and forth, it drives the support rod 9 and the roller 12 to be pressed back from the front end of the upper conveyor frame 2 in one direction.

[0022] In addition, the support frame 1 is usually equipped with three upper conveyor frames 2 and lower conveyors 3. The upper conveyor frame 2 and lower conveyor 3 located in the middle are fixedly connected to the support frame 1, while the upper conveyor frames 2 and lower conveyors 3 on both sides can be adjusted according to the width of the carton sheet. At the same time, the distance between the upper conveyor frames 2 and lower conveyors 3 can also be adjusted according to the thickness of the carton sheet.

[0023] Specifically, the drive unit 4 is fixedly installed on the upper conveyor frame 2, providing a power source for the pressing operation. It can drive the pressing component 5 to achieve a downward, gentle pressing action. Under the drive of the drive unit 4, the pressing component 5 applies downward pressure to ease the force rather than forcibly compress. When a fault occurs in the downstream equipment of the production line, the drive unit 4 receives a signal and drives the pressing component 5 to promptly limit and compress the cardboard pieces in the conveying channel, compressing the upper conveyor frame 2 and the lower conveyor 3 near the output port of the downstream equipment, limiting the forward compression tendency of the stagnant cardboard pieces, and preventing the cardboard pieces behind from being blocked and unable to reach the area between the upper conveyor frame 2 and the lower conveyor 3. Multiple cardboard pieces are stored between the upper conveyor frame 2 and the lower conveyor 3. During normal production, the seven-character... When frame 8 is in its initial standby position, support rod 9 and roller 12 are positioned above the cardboard sheet, without interfering with the normal conveying of the cardboard sheet. When the downstream equipment malfunctions or the material tends to be squeezed and piled up, the drive frame 8 can quickly complete the lateral reciprocating movement. At the same time, the first guide plate 6 and guide frame 7 form a two-way guiding and limiting system for frame 8 and support rod 9, causing support rod 9 and roller 12 to move downwards. Roller 12 rolls and presses against the upper surface of the cardboard sheet while pulling inwards, which can provide a stable pressing and limiting force and pull the cardboard sheet to be stacked as evenly and tightly as possible between the upper conveyor frame 2 and the lower conveyor 3, avoiding disorderly accumulation of materials and forced squeezing into the interior of the stagnant downstream integrated equipment, thus preventing equipment jamming.

[0024] Reference Figures 1-4 An upper conveyor belt 21 is fitted onto the upper conveyor frame 2. A tension spring adjuster 22 is provided on one side of the upper conveyor frame 2. A cylinder 23 is provided at one end of the upper conveyor frame 2. A pressure plate 24 is fixedly connected to the other side of the upper conveyor frame 2. An expansion joint 25 and a sleeve 26 are fixedly connected to the pressure plate 24. A bushing 201 is slidably connected to the upper conveyor frame 2. The bushing 201 is fixedly connected to the output end of the cylinder 23. Multiple arc grooves 202 are equidistantly opened on the upper conveyor frame 2.

[0025] Specifically, the tension spring adjuster 22 is used to perform real-time adaptive tension control on the upper conveyor belt 21. Under long-term continuous operation and frequent dynamic adjustment conditions, the conveyor belt is prone to slack and tensile deformation. The tension spring adjuster 22 can compensate for the tension margin in real time and continuously maintain the tension of the upper conveyor belt 21. A bushing 201 is slidably connected on the upper conveyor frame 2. The bushing 201 is located at the end of the upper conveyor frame 2 closest to the front production line, and the upper conveyor belt 21 is also sleeved on the outside of the bushing 201. The bushing 201 is fixedly connected to the output end of the cylinder 23. By pulling the bushing 201 through the cylinder 23, the upper conveyor belt 21, which is parallel to the lower conveyor 3, can be tilted. At this time, an acute angle is formed between the upper conveyor belt 21 and the lower conveyor 3. This acute angle structure is used to store a certain amount of cardboard sheets.

[0026] Reference Figures 2-8The output end of the telescopic device 25 is fixedly connected to a base block 251. A vertical groove 252 is opened on the base block 251. A sliding shaft 111 is fixedly connected to one side of the splicing plate 11. The sliding shaft 111 is slidably connected inside the vertical groove 252. The telescopic device 25 controls the base block 251 to move back and forth laterally. Thus, through the sliding shaft 111 and the splicing plate 11, the seven-shaped frame 8, the support rod 9 and the assembly sleeve 10 move synchronously. The roller 12 is quickly driven to complete the pressing and pulling back and straightening actions. With the sharp angle storage space formed by the inclined conveyor belt, the carton pieces are orderly buffered and straightened, completely avoiding the problems of material squeezing and equipment jamming.

[0027] Reference Figures 2-8 The first guide plate 6 and the guide frame 7 are fixedly connected to the upper conveyor frame 2 through the housing 26. The first guide plate 6 has a guide slot 61, which is divided into an inclined slot section 611 and a straight slot section 612. The guide frame 7 has an inner slot 71. The horizontal length of the guide slot 61 is equal to the length of the inner slot 71, and the vertical height of the guide slot 61 is equal to the height of the inner slot 71. An inclined section 701 is provided at the end of the straight slot section 612 near the end of the inner slot 71.

[0028] In addition, the horizontal length represents the intersection of the extension lines of one end and the other end, that is, the downward extension line of the center of the inclined groove segment 611, and the horizontal line drawn from the center of one end of the straight groove segment 612 toward the inclined groove segment 611. The two lines intersect to form an intersection point. The distance from the intersection point to the center of the inclined groove segment 611 is the vertical height, and the length of the center of the straight groove segment 612 at the intersection point is the horizontal length, thus forming a stable matching movement path.

[0029] Specifically, when the telescopic device 25 reciprocates, it drives the base block 251 to move laterally in sync. The movement of the base block 251 pulls the sliding shaft 111 to move synchronously. The sliding shaft 111, through the splicing plate 11, causes the L-shaped frame 8, support rod 9, and assembly sleeve 10 to move synchronously. Since the sliding shaft 111 also passes through the guide slot 61, the guide slot 61 guides the sliding shaft 111 as it moves. When the telescopic device 25 retracts, the sliding shaft 111 moves downwards in the inclined groove section 611. Simultaneously, the support rod 9 moves downwards, and the sliding shaft 111 slides within the vertical groove 252. The roller 12 is positioned close to the upper part of the lower conveyor 3 to press the cardboard pieces together. When the sliding shaft 111 moves in the straight groove section 612, it drives the support rod 9 and the roller 12 to move linearly. The roller 12 pushes the pressed cardboard pieces to achieve uniform pressing and limiting of the stuck cardboard pieces, restraining the forward movement of the material. The rolling pushing force of the roller 12 is used to orderly organize and push the pressed and positioned cardboard pieces, so that the accumulated cardboard pieces are evenly and tightly stored inside the conveying channel. In conjunction with the sharp angle storage space of the equipment, emergency buffering operation is completed, avoiding the problems of material crushing and damage, equipment jamming and shutdown from the root.

[0030] Reference Figures 3-8 The lower conveyor 3 includes a lower conveyor frame 31 connected to the bracket 1, a lower conveyor belt 32 sleeved on the lower conveyor frame 31, and a support plate 33 fixedly connected to one side of the lower conveyor frame 31. The upper conveyor belt 21 and the lower conveyor belt 32 have the same width. The pressure plate 24 is located above the support plate 33, so that the upper and lower conveying working surfaces are completely aligned and the carton sheet is evenly stressed and conveyed throughout the entire process.

[0031] When cylinder 23 is fully extended, the distance between the bottom surface of the upper conveyor belt 21 and the lower conveyor belt 32 is less than the distance between the bottom surface of the upper conveyor frame 2 and the lower conveyor belt 32. The carton pieces will only pass between the lower conveyor belt 32 and the upper conveyor belt 21. When the cylinder 23 pulls the bushing 201, the bushing 201 lifts one side of the upper conveyor belt 21 to the bottom surface of the upper conveyor frame 2, forming an angle with the lower conveyor belt 32, thus creating an inclined conveying cavity that can temporarily store materials, ensuring that the carton pieces are subsequently buffered and retained.

[0032] When the telescopic device 25 is fully extended, the distance between the roller 12 and the lower conveyor belt 32 is greater than the height of the vertical groove 252, maintaining sufficient vertical spacing so that the roller 12 is completely removed from the material conveying path, and will not touch, block or squeeze the normally passing carton pieces, ensuring smooth and unobstructed normal conveying of the production line. At the same time, when the subsequent telescopic device 25 retracts to perform emergency pressing and pushing actions, the sliding shaft 111 can complete a complete adaptive vertical sliding within the vertical groove 252 without insufficient stroke or structural interference jamming.

[0033] Reference Figures 1-9 A square block 91 is provided on one side of the support rod 9, and a round shaft 92 is provided on the other side of the support rod 9. A trigger spring 81 is connected between the seven-shaped frame 8 and the support rod 9. A square sliding groove 801 is provided on the seven-shaped frame 8. A magnetic block 82 is provided at the bottom of the square sliding groove 801. The square block 91 is slidably connected to the inside of the square sliding groove 801. A vertical groove 101 is provided on the assembly sleeve 10. The round shaft 92 passes through the vertical groove 101 and fits against the inner wall of the inner groove 71.

[0034] The seven-shaped frame 8 is made of hard plastic. The top and bottom of the support rod 9 are inclined towards the bushing 201. When the magnetic block 82 and the square block 91 are attracted, the stretched trigger spring 81 is locked, which restricts the autonomous displacement of the support rod 9 and ensures that the equipment's normal clamping and pushing operation posture is fixed and the operation is stable.

[0035] Specifically, when the telescopic device 25 retracts, it continues until the round shaft 92 contacts the inclined section 701, causing the round shaft 92 to be obstructed and move upward. The round shaft 92 then moves upward within the vertical slot 101. When the round shaft 92 drives the support rod 9 to move upward synchronously, the magnetic block 82 and the square block 91 will separate and lose their attraction. The compressed trigger spring 81 will pull the support rod 9 and the roller 12 upward. At this time, when the telescopic device 25 extends and resets, the roller 12 will not push back, forming a one-way drive. The roller 12 is already in a raised and avoidance state and will not follow the back movement of the 7-shaped frame 8 to push the carton sheet in the opposite direction. This forms a one-way drive effect of telescopic downward pressure pushing and extension empty reset, effectively avoiding disturbance to the already neatly cached carton sheet during the reset process and ensuring the stability of the stored material.

[0036] After a certain period of time, the front-end equipment will stop. During this period, if the cardboard pieces are stacked to form a thickness, and the roller 12 presses multiple cardboard pieces together, a certain degree of self-adaptation will be formed through the trigger spring 81. Since the thickness of a single cardboard piece produced on the spot will not exceed half a centimeter, the magnetic block 82 will not separate from the square block 91. Even if the magnetic block 82 separates from the square block 91, it will only happen after multiple cardboard pieces are stacked and stored, and the subsequent staff will control the front-end production line to stop running.

[0037] Reference Figures 1-10 The driving component 4 includes a push cylinder 41 with one end rotatably connected to the upper conveyor frame 2, a connecting rod 42 rotatably connected to the output end of the push cylinder 41, and multiple rockers 43 equidistantly arranged and rotatably connected to the upper conveyor frame 2 in the middle. One end of the rocker 43 is rotatably connected to the connecting rod 42, and the other end of the rocker 43 is rotatably connected to the pressing component 5.

[0038] The holding member 5 includes a crossbar 51, multiple spring plates 52 that are equidistantly arranged and fixedly connected to one side of the crossbar 51, and a pressure roller 53 that is rotatably connected to the spring plates 52. A horizontal shaft 501 is fixedly connected to the other side of the crossbar 51. The horizontal shaft 501 passes through the bushing 201 and is rotatably connected to the rocker arm 43.

[0039] Specifically, during the extension and retraction of the push cylinder 41, it can drive the connecting rod 42 to push and pull. Relying on the synchronous transmission of the connecting rod 42, and utilizing the hinge fulcrum between the middle of the rocker arm 43 and the upper conveyor frame 2, a lever swing transmission structure is formed, converting the linear extension and retraction motion of the push cylinder 41 into the rotation of the end of the rocker arm 43. After the drive component 4 is activated, the push cylinder 41 extends and retracts the connecting rod 42, driving multiple sets of rocker arms 43 to swing synchronously around the midpoint hinge position. The rocker arms 43 pull the horizontal bar 51 to lift and lower as a whole through the horizontal shaft 501, thereby adjusting the vertical height of the pressure roller 53. During normal conveying, the holding member 5 remains in an elevated state, without interfering with the normal passage of the carton sheets. When the back-end equipment malfunctions or the production line enters emergency storage mode, the driving member 4 drives the rocker arm 43 to swing and press down, causing multiple sets of pressure rollers 53 to adhere to the upper surface of the carton sheets. Combined with the elastic buffering characteristics of the spring plate 52, a flexible holding force is formed to uniformly limit and gently constrain the carton sheets in the conveying channel. Combined with the regular pushing function of the upper roller 12 and the acute angle storage space formed by the two conveyor belts, stable material buffering is achieved, avoiding disorderly squeezing and accumulation of materials that may cause jamming.

[0040] As the upper conveyor belt 21 is raised only near the front end of the production line, when multiple pressure rollers 53 move down, they generate a downward force on the interior of the upper conveyor belt 21. At this time, the position of the upper conveyor belt 21 near the rear end equipment is also squeezed, but this position is not raised, which compresses the space below this position and prevents the carton from crossing the area.

[0041] The working principle of this invention is as follows: Under normal production conditions, the lower conveyor belt 32 and the upper conveyor belt 21 are horizontally aligned. The tension spring adjuster 22 continuously compensates for the tension, maintaining the tension of the upper conveyor belt 21. The carton sheet is smoothly conveyed forward between the two sets of conveyor belts. When the rear equipment malfunctions, the drive cylinder 23 first pulls the bushing 201 to slide, raising the front end of the upper conveyor belt 21, so that the upper conveyor belt 21 and the lower conveyor belt 32 form an acute angle storage cavity, creating a temporary material buffer space. Then, the push cylinder 41 extends to push the connecting rod 42, driving each set of rocker arms 43 to swing around the hinge point. The horizontal shaft 501 presses down the horizontal bar 51, and the pressure roller 53 adheres to the upper surface of the carton sheet. With the help of the spring plate 52, a flexible pressure is formed, compressing the rear space of the conveying channel, preventing the carton sheet from continuing to enter the malfunctioning rear equipment, and restricting the material within the conveying channel. At the same time, the telescopic device 25 reciprocates to extend and retract, driving the base block 251 laterally. As the slide shaft 111 moves along the guide slot 61 of the first guide plate 6 and the inner slot 71 of the guide frame 7, it works in conjunction with the splicing plate 11 to drive the entire 7-shaped frame 8 to move laterally. When the slide shaft 111 passes through the inclined groove section 611, it moves downward, causing the support rod 9 and roller 12 to press down and contact the cardboard sheet. After the slide shaft 111 enters the straight groove section 612, it moves linearly. The roller 12 rolls and pushes the cardboard sheet, completing the neat arrangement of the material and making the cardboard sheet evenly stored in the acute-angled storage cavity. Inside, when the round shaft 92 touches the inclined section 701 of the inner groove 71, the round shaft 92 moves upward along the vertical groove 101, driving the support rod 9 to rise. The square block 91 separates from the magnetic block 82, and the trigger spring 81 rebounds and pulls the support rod 9 and the roller 12 to rise as a whole. When the subsequent telescopic device 25 extends and resets, the roller 12 is in the lifted state, forming a one-way action of pressing down and pushing material and resetting under no-load. It will not push the already regularized material in the opposite direction, ensuring the stability of the stored material.

[0042] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A packaging device with an emergency adjustable upper pressing carton conveying mechanism, comprising a support frame (1), characterized in that: It also includes multiple upper conveyor frames (2) and lower conveyors (3) equidistantly arranged and all connected to the support (1), a drive unit (4) set on the upper conveyor frame (2), a pressing unit (5) fixedly connected to the drive unit (4), a first guide plate (6) and a guide frame (7) set on one side of the upper conveyor frame (2), a seven-shaped frame (8) set between the first guide plate (6) and the guide frame (7), a support rod (9) slidably connected to the seven-shaped frame (8), an assembly sleeve (10) and a splicing plate (11) snapped onto both sides of the seven-shaped frame (8) in the lateral reciprocating direction, and a roller (12) rotatably connected to the bottom end of the support rod (9). The splicing plate (11) is snapped onto the right side of the scissor frame (8). The upper conveyor frame (2) is located above the lower conveyor (3) and the two are equal in number. One side of the support rod (9) is located inside the guide frame (7), and the other side of the support rod (9) is located inside the scissor frame (8). The splicing plate (11) is slidably connected to the first guide plate (6). The driving component (4) is slowly pressed downward from the position near the rear end of the upper conveyor frame (2) by the pressing component (5). When the scissor frame (8) moves laterally back and forth, it drives the support rod (9) and the roller (12) to press and pull back from the position near the front end of the upper conveyor frame (2). The upper conveyor frame (2) is fitted with an upper conveyor belt (21). A tension spring adjuster (22) is provided on one side of the upper conveyor frame (2). A cylinder (23) is provided at one end of the upper conveyor frame (2). A pressure plate (24) is fixedly connected to the other side of the upper conveyor frame (2). An expansion joint (25) and a housing (26) are fixedly connected to the pressure plate (24). A bushing (201) is slidably connected to the upper conveyor frame (2). The bushing (201) is fixedly connected to the output end of the cylinder (23). Multiple arc grooves (202) are equidistantly opened on the upper conveyor frame (2). The first guide plate (6) and the guide frame (7) are fixedly connected to the upper conveyor frame (2) through the housing (26). The first guide plate (6) is provided with a guide slot (61). The guide slot (61) is divided into an inclined slot section (611) and a straight slot section (612). The guide frame (7) is provided with an inner slot (71). The horizontal length of the guide slot (61) is equal to the length of the inner slot (71). The vertical height of the guide slot (61) is equal to the height of the inner slot (71). An inclined section (701) is provided near the end of the straight slot section (612) of the inner slot (71). A square block (91) is provided on one side of the support rod (9), and a round shaft (92) is provided on the other side of the support rod (9). A trigger spring (81) is connected between the seven-shaped frame (8) and the support rod (9). A square sliding groove (801) is provided on the seven-shaped frame (8). A magnetic block (82) is provided at the bottom of the square sliding groove (801). The square block (91) is slidably connected to the inside of the square sliding groove (801). A vertical groove (101) is provided on the assembly sleeve (10). The round shaft (92) passes through the vertical groove (101) and fits against the inner wall of the inner groove (71).

2. The packaging equipment with an emergency adjustable upper pressing carton conveying mechanism according to claim 1, characterized in that: The output end of the telescopic device (25) is fixedly connected to a base block (251), and a vertical groove (252) is provided on the base block (251). A sliding shaft (111) is fixedly connected to one side of the splicing plate (11), and the sliding shaft (111) is slidably connected inside the vertical groove (252).

3. The packaging equipment with an emergency adjustable upper pressing carton conveying mechanism according to claim 2, characterized in that: The lower conveyor (3) includes a lower conveyor frame (31) connected to the bracket (1), a lower conveyor belt (32) sleeved on the lower conveyor frame (31), and a support plate (33) fixedly connected to one side of the lower conveyor frame (31). The upper conveyor belt (21) and the lower conveyor belt (32) have the same width. The pressure plate (24) is located above the support plate (33). When the cylinder (23) is fully extended, the distance between the bottom surface of the upper conveyor belt (21) and the lower conveyor belt (32) is less than the distance between the bottom surface of the upper conveyor frame (2) and the lower conveyor belt (32).

4. The packaging equipment with an emergency adjustable upper pressing carton conveying mechanism according to claim 1, characterized in that: The driving component (4) includes a push cylinder (41) with one end rotatably connected to the upper conveyor frame (2), a connecting rod (42) rotatably connected to the output end of the push cylinder (41), and multiple rockers (43) equidistantly arranged and rotatably connected to the upper conveyor frame (2) in the middle. One end of the rocker (43) is rotatably connected to the connecting rod (42), and the other end of the rocker (43) is rotatably connected to the pressing component (5).

5. The packaging equipment with an emergency adjustable upper pressing carton conveying mechanism according to claim 4, characterized in that: The pressing member (5) includes a crossbar (51), multiple spring plates (52) that are equidistantly arranged and fixedly connected to one side of the crossbar (51), and a pressure roller (53) that is rotatably connected to the spring plate (52). A horizontal shaft (501) is fixedly connected to the other side of the crossbar (51). The horizontal shaft (501) passes through the bushing (201) and is rotatably connected to the rocker arm (43).

6. The packaging equipment with an emergency adjustable upper pressing carton conveying mechanism according to claim 2, characterized in that: The seven-shaped frame (8) is made of hard plastic. The top and bottom of the support rod (9) are inclined towards the bushing (201). When the magnetic block (82) and the square block (91) are attracted, the stretched trigger spring (81) is locked.

7. The packaging equipment with an emergency adjustable upper pressing carton conveying mechanism according to claim 3, characterized in that: When the telescoping device (25) is fully extended, the distance between the roller (12) and the lower conveyor belt (32) is greater than the height of the trough opening (252).

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