Stacker for inorganic fertilizer production and method for using the same

Abstract

This invention relates to the field of palletizing machine conveying devices, specifically to a palletizing machine for inorganic fertilizer production. The machine includes a conveyor line and a matching palletizing machine. The conveyor line is divided into a conveying zone, an acceleration zone, and a clamping zone. The conveying zone includes a conveying device body and a drive device for driving the conveying device body. The acceleration zone and the clamping zone are connected by connecting rollers. The clamping zone is equipped with a herringbone support assembly, and symmetrically arranged correction components on both sides of the herringbone support assembly. Lifting components are symmetrically arranged on both sides of the connecting rollers, and the connecting rollers are connected to the correction components via the lifting components. Telescopic components and clutch components are also symmetrically arranged on both sides of the connecting rollers. By setting the connecting rollers and their linkage structure between the acceleration zone and the clamping zone, the correction device is automatically triggered when the product arrives at the clamping zone. It does not start when the product has not arrived, avoiding energy waste and unnecessary cost increases caused by the continuous operation of traditional correction devices.

Description

Technical Field

[0001] This invention relates to the field of palletizing machine conveying devices, and more specifically, to a palletizing machine for inorganic fertilizer production and its usage method. Background Technology

[0002] A palletizer is an automated device specifically designed to stack products onto pallets in a specific arrangement. With the expansion of agricultural production and the development of industrial automation, traditional manual palletizing methods are no longer sufficient to meet the demands for efficiency, cost, and safety. The coordinated operation of palletizers and conveyor systems has become a key element in large-scale production, with the core objective of achieving a highly efficient, low-loss, and highly compatible automated palletizing process.

[0003] On existing inorganic fertilizer production lines, palletizers typically work in conjunction with conveying devices when loading bagged inorganic fertilizer into truck compartments. During the conveying process, if the bags shift position when they are delivered to the clamping area for palletizing, the palletizer may fail to clamp them, or even tear the packaging bags, affecting production efficiency and causing material waste.

[0004] Currently, most of the correction devices used to address bag misalignment during transport operate continuously. This working mode not only causes unnecessary energy consumption and increases operating costs during bagless passage periods, but also, from a structural design perspective, the correction devices are usually positioned in the middle of the bag height to achieve more effective correction. This poses a certain risk of interference with the gripping space of the subsequent palletizing robot, thus hindering the stable gripping and accurate stacking of the palletizing equipment.

[0005] Based on this, the present invention discloses a palletizing machine for inorganic fertilizer production and its usage method. Summary of the Invention

[0006] To address the problems mentioned in the background art regarding the unnecessary energy consumption and cost increases caused by the continuous operation of the correction device in the inorganic fertilizer production line, and the spatial interference between its working position in the middle area of ​​the bag and subsequent palletizing and clamping operations, which is detrimental to efficient and precise stacking operations, this invention provides a palletizing machine for inorganic fertilizer production. The machine includes a conveyor line and a matching palletizing machine. The conveyor line is divided into a conveying zone, an acceleration zone, and a clamping zone. The conveying zone includes a conveyor body and a drive device that drives the conveyor body. A conveying roller is provided at the output end of the drive device, and the conveyor body operates via the conveying roller. The acceleration zone and clamping zone are mounted on a mounting frame, which has an arc-shaped connecting plate. The acceleration zone is connected to the conveyor body via the connecting plate.

[0007] Since the product has no driving force when it is conveyed to the clamping area, and in order to place the product in a relatively open position in the clamping area to facilitate the palletizer's clamping of the product, the product needs to be accelerated and propelled before entering the clamping area, and the product needs to be pre-raised to a certain height. This technical solution adopts an acceleration zone including a chain conveyor and several equally spaced pushing components. The chain conveyor is set on the mounting frame, and the pushing components are connected to each other through the chain conveyor. A belt drive is set on the pushing component adjacent to the conveyor roller. The acceleration zone is connected to the conveyor roller through the belt conveyor, and the acceleration transmission of the pushing roller is realized by changing the size of the transmission wheel.

[0008] Based on this, since products are prone to deviation during transportation, which affects the subsequent palletizer's clamping of the products, it is necessary to correct the deviation of the products. However, the existing deviation correction devices work continuously, which is not conducive to reducing energy consumption and is also not convenient for the subsequent palletizer's clamping. Therefore, in order to achieve the goal of the deviation correction device only working when the product enters the clamping area.

[0009] As a further improvement to this technical solution, the acceleration zone and the clamping zone are connected by a connecting roller. The clamping zone is equipped with a fishbone support assembly, and a correction assembly is symmetrically arranged on both sides of the fishbone support assembly. The connecting roller is symmetrically arranged with lifting assemblies on both sides, and the connecting roller is connected to the correction assembly through the lifting assembly. The connecting roller is also symmetrically arranged with telescopic assemblies and clutch assemblies on both sides. The connecting roller automatically resets up and down through the telescopic assembly. When the product passes through the connecting roller after acceleration, the connecting roller is intermittently connected to the drive device through the clutch assembly.

[0010] As a further improvement to this technical solution, the telescopic component includes a support plate with an opening inside. The support plate has first sliding grooves on both sides of the opening, and sliders are slidably connected to the first sliding grooves. The sliders are rotatably connected to the connecting rollers. Springs are symmetrically arranged inside the opening, and the sliders are connected to the support plate through the springs. In the initial state, the connecting rollers are located at the top of the opening through the sliders.

[0011] As a further improvement to this technical solution, the clutch assembly includes a drive helical gear rotatably connected to the mounting bracket, and the clutch assembly also includes a driven helical gear, which is fixed to both ends of the connecting roller; a belt drive device is provided on the output end of the drive helical gear, and the drive helical gear is connected to the output end of the push roller through the belt drive device; in the initial state, the driven helical gear is located directly above the drive helical gear, and the driven helical gear is disengaged from the drive helical gear.

[0012] When the product is in the clamping area, it is traditionally supported by several rotating rods. In order to make it easier for the product to fall into the clamping area and for the palletizer's grippers to clamp it.

[0013] As a further improvement to this technical solution, the fishbone support assembly includes a mounting rod fixed on the mounting frame, and a plurality of rotating rods are uniformly rotatably connected to the mounting rod along the product conveying direction; a baffle for preventing the product from falling off is provided at the end of the mounting frame located in the clamping area.

[0014] In another solution, traditional correction devices often make hard contact with the product during operation. This is not conducive to protecting the product. Furthermore, the traditional hard contact means that if the product falls onto the correction rod when it falls into the clamping area, it will result in low early correction efficiency or even correction failure.

[0015] As a further improvement to this technical solution, the correction assembly includes a mounting plate fixed on a mounting frame. A first telescopic rod is fixed at the center of the mounting plate. The telescopic end of the first telescopic rod has only a drive rod for rotation. Reciprocating screws are symmetrically fixed at both ends of the drive rod. The two reciprocating screws have opposite thread directions. Correction plates are threaded onto the reciprocating screws. Elastic telescopic rods corresponding to the rotating rod are fixed on the opposite side of the two correction plates. A limiting rod for limiting the rotation of the correction plate is fixed at the bottom of the correction plate. Second sliding grooves are symmetrically opened at both ends of the mounting plate. The limiting rod is movably connected in the second sliding groove. In the initial state, the distance between the ends of the two elastic telescopic rods that are arranged opposite each other is greater than the width of the product, and the correction plate is in contact with the top of the mounting rod.

[0016] Based on this, since the traditional correction device is always located at the midpoint of the product and continuously corrects the alignment, it is not conducive to the subsequent clamping of the palletizer.

[0017] As a further improvement to this technical solution, the correction component achieves the opposite movement to the connecting roller through the lifting component; that is, during the downward displacement of the connecting roller, the entire correction component moves upward from the upper surface of the rotating rod to the middle of the product. When the connecting roller resets, the correction component moves downward to reset, which will not cause motion interference to the palletizer. Moreover, the position of the elastic telescopic rod is set close to the rotating rod, while the palletizer's gripper is located in the gap between the rotating rods, which will further reduce motion interference.

[0018] Secondly, the correction assembly and the connecting roller achieve opposite movements up and down;

[0019] As a further improvement to this technical solution, the correction component is equipped with a transmission component. When the product passes through the connecting roller, the correction component is connected to the drive device through the transmission component. The transmission component includes a transmission shaft, and transmission boxes are provided at both ends of the transmission shaft. The transmission boxes are rotatably connected to the output ends of the connecting roller and the drive rod, respectively. A transmission bevel gear set is provided inside the transmission box. The output end of the connecting roller realizes the variable-angle power output to the drive rod through the transmission bevel gear set and the transmission shaft.

[0020] As a further improvement to this technical solution, the lifting assembly includes two slide rods, one of which is rotatably mounted on the transmission box at the output end of the connecting roller and located on the side away from the connecting roller, and the other slide rod is fixed on the side of the correction plate away from the elastic telescopic rod; the lifting assembly also includes a limiting plate and a seesaw structure, the limiting plate is fixed on the mounting frame, wherein the slide rod near the position of the connecting roller is slidably connected to the limiting plate, and the seesaw structure is rotatably connected to the mounting frame, with both ends of the seesaw structure rotatably connected to the transmission box on the correction plate and the connecting roller respectively through slide rods; when the product is on the connecting roller, the connecting roller slides in the first slide groove through the slider, the driven helical gear meshes with the driving helical gear, and at this time the elastic telescopic rod rises to the middle height of the product, and the connecting roller drives the correction plate to reciprocate on the reciprocating screw through the transmission assembly.

[0021] The second objective of this invention is to provide a method for using a palletizing machine for inorganic fertilizer production, the specific steps of which are as follows:

[0022] S1. The product is sent to the conveyor body, which then transports it to a high position. The product is then sent to the push component in the acceleration zone for acceleration via the connecting plate.

[0023] S2. After the product enters the push component in the acceleration zone, it is accelerated by several push components and raised to a certain height by the bumps, and then the end of the product is successfully sent into the connecting roller.

[0024] S3. When the product passes through the connecting roller, under the action of gravity, the connecting roller slides down in the first groove through the slider, and the driven helical gear and the driving helical gear engage.

[0025] S4. The connecting roller rotates through the meshing of the driven helical gear and the driving helical gear, and further conveys the product to the rotating rod in the clamping area with the cooperation of the protrusion and the friction pad.

[0026] S5. As the product gradually enters the clamping area, the reciprocating screw is driven by the connecting roller through the transmission component, which causes the correction plate to continuously correct the product through the elastic telescopic rod. Finally, after the product has completely entered the clamping area, the product is disengaged from the connecting roller. After the connecting roller is reset, the correction plate stops working, and the palletizer begins to clamp the product.

[0027] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0028] 1. In this palletizing machine for inorganic fertilizer production, by setting a connecting roller and its linkage structure between the acceleration zone and the clamping zone, the operation of the correction device is automatically triggered when the product arrives at the clamping zone. It does not start when the product has not arrived, thus avoiding the energy waste and unnecessary cost increase caused by the continuous operation of the traditional correction device, thereby achieving energy saving and consumption reduction and improving the economic efficiency of equipment operation.

[0029] 2. In this inorganic fertilizer production palletizing machine, the lifting linkage structure between the connecting roller and the correction component, namely the seesaw structure, allows the correction component to rise to the middle of the bag for correction only when the product enters the clamping area. After the product leaves, it automatically resets and descends. This not only improves the correction efficiency but also effectively avoids the clamping area of ​​the palletizing robot, thereby reducing spatial interference and facilitating the stability and accuracy of subsequent clamping operations.

[0030] 3. In this palletizing machine for inorganic fertilizer production, a correction plate structure with elastic telescopic rods is adopted to provide buffer protection when correcting bagged inorganic fertilizer, avoiding damage to the packaging bag or failure of correction due to hard contact. At the same time, combined with the reciprocating screw drive to realize the reciprocating clamping action of the correction plate, the correction response speed and accuracy are further improved, thereby ensuring product quality and palletizing stability. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0032] Figure 2 This is a front view of the overall structure of the present invention;

[0033] Figure 3 This is a top view of the overall structure of the present invention;

[0034] Figure 4 This is a schematic diagram of the clamping area of ​​the present invention;

[0035] Figure 5 for Figure 4 Enlarged view of the structure at point A in the middle;

[0036] Figure 6 This is a schematic diagram of the fishbone support assembly of the present invention;

[0037] Figure 7This is a schematic diagram of the structure of the correction component of the present invention;

[0038] Figure 8 This is a schematic diagram of the clutch assembly of the present invention;

[0039] Figure 9 This is a schematic diagram of the structure of the telescopic component of the present invention;

[0040] Figure 10 This is a schematic diagram of the transmission component of the present invention.

[0041] The meanings of the labels in the diagram are as follows:

[0042] 1. Conveying device body; 2. Drive unit; 3. Conveyor roller; 4. Connecting plate; 5. Chain conveyor; 6. Pushing assembly; 7. Connecting roller; 8. Telescopic assembly; 9. Clutch assembly; 10. Lifting assembly; 11. Correction assembly; 12. Transmission assembly; 13. Herringbone support assembly; 14. Baffle; 15. Mounting frame;

[0043] 61. Push roller; 62. Protrusion; 63. Friction pad;

[0044] 81. Support plate; 82. Through port; 83. Slider; 84. Spring; 85. First slide groove;

[0045] 91. Driving helical gear; 92. Driven helical gear;

[0046] 101. Sliding rod; 102. Limiting plate; 103. Seesaw structure;

[0047] 111. Mounting plate; 112. First telescopic rod; 113. Drive rod; 114. Correction plate; 115. Elastic telescopic rod; 116. Limiting rod; 117. Second slide groove; 118. Reciprocating lead screw;

[0048] 121. Drive shaft; 122. Transmission box; 123. Transmission bevel gear set;

[0049] 131. Mounting rod; 132. Rotating rod. Detailed Implementation

[0050] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0051] The existing correction devices on inorganic fertilizer production lines cause unnecessary energy consumption and cost increases due to continuous operation. Furthermore, their working position in the middle area of ​​the bags interferes with the subsequent palletizing and clamping operations, which is not conducive to efficient and accurate stacking operations.

[0052] Therefore, this invention provides a palletizing machine for inorganic fertilizer production, see [link]. Figures 1-4 As shown, it includes a conveyor line and a matching palletizer. The conveyor line is divided into a conveying zone, an acceleration zone, and a clamping zone. The conveying zone includes a conveying device body 1 and a drive device 2 that drives the conveying device body 1. The output end of the drive device 2 is equipped with a conveying roller 3, and the conveying device body 1 is driven by the conveying roller 3. The acceleration zone and the clamping zone are set on a mounting frame 15. The mounting frame 15 is equipped with an arc-shaped connecting plate 4, and the acceleration zone is connected to the conveying device body 1 through the connecting plate 4.

[0053] During operation, the product, namely the inorganic non-woven bag, is fed onto the conveyor body 1. The conveyor body 1 then lifts the product to a higher position, making it easier for the subsequent palletizer to clamp the product and place it into the truck bed for stacking. After the product enters the conveyor body 1, it rises to the top of the conveyor body 1 and smoothly enters the acceleration zone through the connecting plate 4. The acceleration zone lifts the product again, making it easier for it to fall into the clamping zone. Since there is no driving force to transport the product in the clamping zone, the acceleration zone accelerates the product, giving it a certain inertia, which facilitates its smooth entry into the clamping zone.

[0054] For details, see Figures 2-5 As shown, since the product has no driving force when it is conveyed to the clamping area, and in order to place the product in a relatively open position in the clamping area so that the palletizer can clamp the product, the product needs to be accelerated and pushed before entering the clamping area, and the product is also pre-raised to a certain height. The acceleration area includes a chain conveyor 5 and several equally spaced pushing components 6. The chain conveyor 5 is installed on the mounting frame 15, and the pushing components 6 are connected to each other through the chain conveyor 5. The pushing components 6 adjacent to the conveyor roller 3 are equipped with belt drive devices. The acceleration area is connected to the conveyor roller 3 through the belt conveyor device, and the acceleration transmission of the pushing roller 61 is realized by changing the size of the drive wheel.

[0055] During operation, after the product enters the acceleration zone, it gradually comes into contact with the friction pad 63. The friction pad 63 increases the friction, which gradually pushes the product forward and accelerates it. At the same time, the protrusion 62 is higher than the connecting plate 4, so the product also achieves the effect of being pre-lifted.

[0056] Further, see Figure 5 , Figure 8 and Figure 9As shown, products are prone to deviation during transport, affecting the subsequent palletizer's gripping of the product. Therefore, product correction is necessary. However, existing correction devices operate continuously, which is not conducive to energy consumption reduction and is also inconvenient for subsequent palletizer gripping. Therefore, in order to ensure that the correction device only operates when the product enters the gripping area, this invention uses an acceleration zone and a gripping zone connected by a connecting roller 7. The gripping zone is equipped with a herringbone support assembly 13, and correction components 11 are symmetrically arranged on both sides of the herringbone support assembly 13. Lifting components 10 are symmetrically arranged on both sides of the connecting roller 7. The connecting roller 7 is connected to the correction components 11 through the lifting components 10. Telescopic components 8 and clutch components 9 are also symmetrically arranged on both sides of the connecting roller 7. The connecting roller 7 achieves automatic vertical reset through the telescopic components 8. When the product passes through the connecting roller 7 after acceleration, the connecting roller 7 achieves intermittent transmission connection with the drive device 2 through the clutch components 9.

[0057] Specifically, the telescopic assembly 8 includes a support plate 81, with an opening 82 inside the support plate 81. First sliding grooves 85 are formed on both sides of the opening 82 on the support plate 81. Sliding blocks 83 are slidably connected to the first sliding grooves 85. The sliding blocks 83 are rotatably connected to the connecting roller 7. Springs 84 are symmetrically arranged inside the opening 82. The sliding blocks 83 are connected to the support plate 81 through the springs 84. In the initial state, the connecting roller 7 is located at the top of the opening 82 through the sliding blocks 83.

[0058] Secondly, the clutch assembly 9 includes a drive helical gear 91 rotatably connected to the mounting bracket 15, and a driven helical gear 92 fixedly mounted on both ends of the connecting roller 7. A belt drive device is provided on the output end of the drive helical gear 91, and the drive helical gear 91 is connected to the output end of the push roller 61 through the belt drive device. In the initial state, the driven helical gear 92 is located directly above the drive helical gear 91, and the driven helical gear 92 is disengaged from the drive helical gear 91.

[0059] During operation, as the product is accelerated and gradually lifted by the protrusion 62 and friction pad 63, it contacts the connecting roller 7 and is pressed down by gravity. This causes the connecting roller 7 to slide downwards within the first groove 85 via the slider 83. During this process, the driven helical gear 92 meshes with the driving helical gear 91. It is important to note that the spring force of the spring 84 is much less than the weight of the product. Therefore, after the product has only partially entered the connecting roller 7, it will press the connecting roller 7 downwards. Once the driven helical gear 92 meshes with the driving helical gear 91, the driving helical gear 91 itself is connected to the push roller 61 via a belt drive. Therefore, the driven helical gear 92 will rotate, which in turn will drive the connecting roller 7 to rotate. Under the combined action of inertia, connecting roller 7 and pushing component 6, the product will continuously move towards the clamping area. At the same time, as the connecting roller 7 starts to rotate, it will drive the correction component 11 to start working. When the product has completely fallen into the clamping area, the product will disengage from the connecting roller 7. Then the connecting roller 7 will disengage from the driving helical gear 91 through the driven helical gear 92, and the connecting roller 7 will stop working. The correction component 11 will then stop working, thus saving energy. After the correction component 11 stops working, the product correction is completed, which facilitates the subsequent work of the palletizer.

[0060] Furthermore, see Figure 6 As shown, when the product is in the clamping area, it is traditionally supported by several rotating rods. In order to make it easier for the product to fall into the clamping area and to make it easier for the palletizer's grippers to clamp it, the fishbone support assembly 13 includes a mounting rod 131 fixed on the mounting frame 15. Several rotating rods 132 are evenly rotatably connected to the mounting rod 131 along the product conveying direction. A baffle 14 is provided at the end of the mounting frame 15 located in the clamping area to prevent the product from falling off.

[0061] Secondly, traditional alignment devices often make hard contact with the product during operation. This is not conducive to product protection, and the hard contact also leads to low early alignment efficiency or even alignment failure if the product falls onto the alignment rod when it enters the clamping area. Therefore, this invention uses an alignment component 11, which includes a mounting plate 111 fixed on a mounting frame 15. A first telescopic rod 112 is fixed at the center of the mounting plate 111. The telescopic end of the first telescopic rod 112 rotates only with a drive rod 113. Reciprocating lead screws 118 are symmetrically fixed at both ends of the drive rod 113. The threads of the reciprocating screw 118 are opposite in direction. A correction plate 114 is threadedly connected to the reciprocating screw 118. An elastic telescopic rod 115 corresponding to the rotating rod 132 is fixed on one side of the two correction plates 114. A limiting rod 116 for limiting the rotation of the correction plate 114 is fixed at the bottom of the correction plate 114. The mounting plate 111 has symmetrical second slide grooves 117 at both ends. The limiting rod 116 is movably connected in the second slide groove 117. In the initial state, the distance between the ends of the two elastic telescopic rods 115 that are arranged opposite to each other is greater than the width of the product, and the correction plate 114 is in contact with the top of the mounting rod 131.

[0062] When working, refer to Figure 3 As shown by the dashed line, which represents a product schematic, when the connecting roller 7 moves downward, the drive rod 113 rotates via transmission. The correction plate 114, under the limiting action of the limiting rod 116, and with the threaded areas of the two opposing reciprocating screws 118 facing opposite directions, achieves relative reciprocating motion. Furthermore, the elastic telescopic rod 115 is elastically extendable. Thus, during the process of the correction plate 114 driving the elastic telescopic rod 115 to continuously clamp and correct the product, the product is protected through the buffering effect of elastic extension. Secondly, because the elastic telescopic rod 115 is elastically extendable, even if the product presses against it during the correction process as it enters the clamping area, the reciprocating motion of the elastic telescopic rod 115, combined with the elastic force and the back-and-forth friction at its end, accelerates the product correction efficiency. This is significantly more efficient than traditional non-elastically extendable correction rods, which tend to move back and forth under the product, failing to achieve the desired correction effect.

[0063] In addition, refer to Figure 7 and Figure 10As shown, since traditional correction devices are always located at the center height of the product and continuously perform correction work, it is not conducive to the subsequent clamping of the palletizer. Therefore, the present invention uses a correction component 11 to achieve the opposite movement of the connecting roller 7 up and down through a lifting component 10. That is, during the downward movement of the connecting roller 7, the entire correction component 11 moves upward from the upper surface of the rotating rod 132 to the center of the product. When the connecting roller 7 is reset, the correction component 11 moves downward to reset, which will not cause motion interference to the palletizer. Moreover, the position of the elastic telescopic rod 115 is set close to the rotating rod 132, and the palletizer's gripper is located in the gap between the rotating rods 132, which will further reduce motion interference.

[0064] In addition, since the correction component 11 and the connecting roller 7 achieve opposite up-down movements, which is similar to the seesaw principle, in order to achieve power transmission even during the opposite up-down movements of the correction component 11 and the connecting roller 7, a transmission component 12 is provided on the correction component 11. When the product passes through the connecting roller 7, the correction component 11 is connected to the drive device 2 through the transmission component 12.

[0065] Specifically, the transmission assembly 12 includes a transmission shaft 121, with transmission boxes 122 at both ends of the transmission shaft 121. The transmission boxes 122 are rotatably connected to the output ends of the connecting roller 7 and the drive rod 113, respectively. A transmission bevel gear set 123 is provided inside the transmission box 122. The output end of the connecting roller 7 realizes the power output to the drive rod 113 at a variable angle through the transmission bevel gear set 123 and the transmission shaft 121.

[0066] Secondly, the lifting assembly 10 includes two slide rods 101, one of which is rotatably mounted on the transmission box 122 on the output end of the connecting roller 7 and located on the side away from the connecting roller 7, and the other slide rod 101 is fixed on the side of the correction plate 114 away from the elastic telescopic rod 115.

[0067] The lifting assembly 10 also includes a limiting plate 102 and a seesaw structure 103. The limiting plate 102 is fixed on the mounting frame 15. The slide rod 101 near the connecting roller 7 is slidably connected to the limiting plate 102. The seesaw structure 103 is rotatably connected to the mounting frame 15. The two ends of the seesaw structure 103 are rotatably connected to the correction plate 114 and the transmission box 122 on the connecting roller 7 respectively through the slide rod 101.

[0068] When the product is on the connecting roller 7, the connecting roller 7 slides in the first slide groove 85 through the slider 83, the driven helical gear 92 meshes with the driving helical gear 91, and at this time the elastic telescopic rod 115 rises to the middle height of the product, and the connecting roller 7 drives the correction plate 114 to reciprocate on the reciprocating screw 118 through the transmission assembly 12.

[0069] During operation, when the connecting roller 7 begins to move downwards, the seesaw structure 103 drives the entire correction plate 114 to move upwards. During the upward movement of the correction plate 114, the first telescopic rod 112 provides support, and the first telescopic rod 112 is telescopic. At the same time, the length of the limiting rod 116 is such that the limiting rod 116 does not disengage from the second slide groove 117 during its up-and-down movement, ensuring that the limiting rod 116 always limits the correction plate 114. In this way, the existing mature structure of the seesaw structure 103 achieves the effect of opposite displacement directions of the connecting roller 7 and the correction plate 114. During the displacement of the connecting roller 7 and the drive rod 113, power transmission is always ensured. By borrowing the transmission principle of the automobile chassis, that is, the structural characteristics of the drive shaft 121, power transmission can still be achieved during the up-and-down movement of the connecting roller 7 and the drive rod 113. This is an existing mature technology, and the specific structural features will not be described in detail.

[0070] It should be noted that the slide rod 101 on the connecting roller 7 is slidably connected to the limiting plate 102 in order to prevent the rotation of the connecting roller 7 from interfering with the seesaw structure 103. At the same time, the slide rod 101 on the correction plate 114 is relatively long in order to ensure that the slide rod 101 does not lose contact with the seesaw structure 103 during the reciprocating motion of the correction plate 114.

[0071] In summary, by optimizing the zoning structure of the conveyor line, introducing a linkage-based correction control mechanism and a flexible correction actuator, the problems of unnecessary energy consumption and cost increases caused by continuous operation of the correction device on the existing inorganic fertilizer production line, as well as the spatial interference between its working position in the middle area of ​​the bag and the subsequent palletizing and clamping operations, which is not conducive to efficient and accurate stacking operations, can be effectively solved.

[0072] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0073] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A palletizing machine for inorganic fertilizer production, comprising a conveyor line and a matching palletizing machine, wherein the conveyor line is divided into a conveying zone, an acceleration zone, and a clamping zone; the conveying zone includes a conveying device body (1) and a driving device (2) for driving the conveying device body (1) to run, characterized in that: The acceleration zone and the clamping zone are connected by a connecting roller (7). The clamping zone is provided with a fishbone support assembly (13). On both sides of the fishbone support assembly (13), there are symmetrical correction assemblies (11). On both sides of the connecting roller (7), there are symmetrical lifting assemblies (10). The connecting roller (7) is connected to the correction assembly (11) through the lifting assembly (10). On both sides of the connecting roller (7), there are also symmetrical telescopic assemblies (8) and clutch assemblies (9). Among them, the connecting roller (7) automatically resets up and down through the telescopic component (8). When the product passes through the connecting roller (7) after acceleration, the connecting roller (7) is connected to the drive device (2) through the clutch component (9). The correction assembly (11) moves in the opposite direction to the connecting roller (7) through the lifting assembly (10); The correction assembly (11) is equipped with a transmission assembly (12). When the product passes through the connecting roller (7), the correction assembly (11) is connected to the drive device (2) through the transmission assembly (12). The telescopic assembly (8) includes a support plate (81), an opening (82) is provided in the support plate (81), and a first sliding groove (85) is provided on both sides of the opening (82) on the support plate (81). A slider (83) is slidably connected to the first sliding groove (85). The slider (83) is rotatably connected to the connecting roller (7). Springs (84) are symmetrically arranged in the opening (82). The slider (83) is connected to the support plate (81) through the springs (84). The clutch assembly (9) includes a drive helical gear (91) rotatably connected to the mounting bracket (15), and the clutch assembly (9) also includes a driven helical gear (92), which is fixed at both ends of the connecting roller (7); A belt drive device is provided on the output end of the driving helical gear (91), and the driving helical gear (91) is connected to the output end of the push roller (61) through the belt drive device; The transmission assembly (12) includes a transmission shaft (121), and transmission boxes (122) are provided at both ends of the transmission shaft (121). The transmission boxes (122) are rotatably connected to the output ends of the connecting roller (7) and the drive rod (113) respectively. A transmission bevel gear set (123) is provided inside the transmission box (122). The output end of the connecting roller (7) realizes the variable angle power output to the drive rod (113) through the transmission bevel gear set (123) and the transmission shaft (121). The lifting assembly (10) includes two slide rods (101), one slide rod (101) is rotatably mounted on the transmission box (122) on the output end of the connecting roller (7) and located on the side away from the connecting roller (7), and the other slide rod (101) is fixed on the side of the correction plate (114) away from the elastic telescopic rod (115). The lifting assembly (10) also includes a limiting plate (102) and a seesaw structure (103). The limiting plate (102) is fixed on the mounting frame (15). The slide rod (101) near the connecting roller (7) is slidably connected to the limiting plate (102). The seesaw structure (103) is rotatably connected to the mounting frame (15). The two ends of the seesaw structure (103) are rotatably connected to the correction plate (114) and the transmission box (122) on the connecting roller (7) respectively through the slide rod (101).

2. The palletizing machine for inorganic fertilizer production according to claim 1, characterized in that: The output end of the drive device (2) is provided with a conveyor roller (3), and the conveyor body (1) operates through the conveyor roller (3); The acceleration zone and clamping zone are set on the mounting frame (15), and the mounting frame (15) is provided with an arc-shaped connecting plate (4). The acceleration zone is connected to the conveying device body (1) through the connecting plate (4).

3. The palletizing machine for inorganic fertilizer production according to claim 2, characterized in that: The acceleration zone includes a chain conveyor (5) and several equally spaced push components (6). The chain conveyor (5) is provided on the mounting frame (15). The push components (6) are connected to each other through the chain conveyor (5). A belt drive is provided on the push component (6) adjacent to the conveyor roller (3). The acceleration zone is connected to the conveyor roller (3) through the belt conveyor.

4. A palletizing machine for inorganic fertilizer production according to claim 3, characterized in that: The pushing assembly (6) includes a pushing roller (61) rotatably mounted on the mounting frame (15). The pushing roller (61) has a plurality of protrusions (62) arranged circumferentially. The height of the protrusions (62) is higher than the height of the connecting plate (4). The protrusions (62) are fixed with friction pads (63) for increasing friction.

5. A palletizing machine for inorganic fertilizer production according to claim 4, characterized in that: In the initial state, the connecting roller (7) is located at the top of the opening (82) via the slider (83).

6. A palletizing machine for inorganic fertilizer production according to claim 5, characterized in that: In the initial state, the driven helical gear (92) is located directly above the driving helical gear (91), and the driven helical gear (92) is disengaged from the driving helical gear (91).

7. A palletizing machine for inorganic fertilizer production according to claim 6, characterized in that: The fishbone support assembly (13) includes a mounting rod (131) fixed on the mounting frame (15), and a plurality of rotating rods (132) are uniformly rotatably connected to the mounting rod (131) along the product conveying direction. The mounting bracket (15) is provided with a baffle (14) at the end of the clamping area to prevent the product from falling off.

8. A palletizing machine for inorganic fertilizer production according to claim 7, characterized in that: The correction assembly (11) includes a mounting plate (111) fixed on a mounting bracket (15). A first telescopic rod (112) is fixed at the center of the mounting plate (111). The telescopic end of the first telescopic rod (112) rotates only with a drive rod (113). Reciprocating screws (118) are symmetrically fixed at both ends of the drive rod (113). The threads of the two reciprocating screws (118) are opposite. Correction plates (114) are threaded onto the reciprocating screws (118). An elastic telescopic rod (115) corresponding to the rotating rod (132) is fixed on one side of the two correction plates (114). The bottom of the correction plate (114) is fixed with a limiting rod (116) for rotating and limiting the correction plate (114). The mounting plate (111) has second sliding grooves (117) symmetrically opened at both ends. The limiting rod (116) is movably connected in the second sliding groove (117). In the initial state, the distance between the ends of the two elastic telescopic rods (115) that are set opposite each other is greater than the width of the product, and the correction plate (114) is in contact with the top of the mounting rod (131).

9. A palletizing machine for inorganic fertilizer production according to claim 8, characterized in that: When the product is on the connecting roller (7), the connecting roller (7) slides in the first groove (85) through the slider (83), the driven helical gear (92) meshes with the driving helical gear (91), and at this time the elastic telescopic rod (115) rises to the middle height of the product, and the connecting roller (7) drives the correction plate (114) to reciprocate on the reciprocating screw (118) through the transmission assembly (12).

10. The method of using a palletizer for inorganic fertilizer production according to claim 9, characterized in that: The specific steps are as follows: S1. The product is sent to the conveyor body (1), the product is conveyed to a high position through the conveyor body (1), and the product is sent to the push component (6) of the acceleration zone through the connection of the connecting plate (4) for acceleration. S2. After the product enters the push component (6) in the acceleration zone, it is accelerated by several push components (6) and the product is raised to a certain height by the protrusion (62) and the end of the product is successfully sent to the connecting roller (7). S3. When the product passes through the connecting roller (7), under the action of gravity, the connecting roller (7) slides down in the first groove (85) through the slider (83), and the driven helical gear (92) and the driving helical gear (91) engage. S4. The connecting roller (7) rotates through the meshing of the driven helical gear (92) and the driving helical gear (91), and further conveys the product to the rotating rod (132) in the clamping area with the cooperation of the protrusion (62) and the friction pad (63). S5. As the product gradually enters the clamping area, the reciprocating screw (118) is driven by the connecting roller (7) through the transmission component (12), so that the correction plate (114) continuously corrects the product through the elastic telescopic rod (115). Finally, after the product has completely entered the clamping area, the product is disengaged from the connecting roller (7). After the connecting roller (7) is reset, the correction plate (114) stops working, and the palletizer begins to clamp the product.

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