Tray conveyor

Abstract

The utility model relates to the technical field of logistics storage automation, in particular to a tray conveyor which comprises a tray feeding ground belt, a paper storage mechanism, a tray discharging ground belt and a stacking mechanism, and two sides of the tray feeding ground belt are connected with a tray disassembling mechanism used for disassembling a whole tray into single trays; the paper storage mechanism is arranged at the tail end of the tray feeding ground belt, and a paper suction hook frame mechanism used for hooking and supporting a tray covering paper is arranged on the paper storage mechanism. A stacking station used for stacking trays is arranged on the tray outlet ground belt; the stacking mechanism is further provided with a discharging mechanism connected with the conveying belt production line. A series of automatic operations of receiving, disassembling, paper covering, stacking and the like of the tray can be achieved, manual intervention is not needed in the whole process, the production efficiency is greatly improved, and the labor cost is reduced; the method is suitable for a large-scale production environment and has a wide application prospect.

Description

TECHNICAL FIELD

[0001] The utility model relates to the logistics warehousing automation technical field, especially a tray conveyor. BACKGROUND

[0002] With the rapid development of electronic commerce and modern logistics industry, as the basic carrier of goods transportation, the loading and unloading, storage and distribution efficiency of tray directly affects the cost and efficiency of the whole supply chain. At present, most of the warehouses and logistics centers still rely on manual handling and stacking of trays, which has the problems of high labor intensity, low efficiency and easy to make mistakes.

[0003] Therefore, a production line system capable of realizing tray automatic conveying and stacking is studied, which has important significance for improving the intelligent level of logistics warehousing, reducing cost and improving efficiency. UTILITY MODEL CONTENT

[0004] In order to solve the technical defects put forward in the background art, the purpose of the utility model is to provide a tray conveyor to solve the problems of low efficiency of tray handling and stacking, too much dependence on manpower in the prior art, realize full-process automation, and greatly improve production efficiency and flexibility.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0006] A tray conveyor comprises

[0007] - An incoming tray ground belt is used to receive a whole stack of trays placed by a forklift, and the two sides of the incoming tray ground belt are connected with a tray disassembling mechanism for disassembling the whole stack of trays into single trays;

[0008] - A paper skin storage mechanism is used to store paper skin and cover the paper skin on the single tray, the paper skin storage mechanism is arranged at the end of the incoming tray ground belt, and a paper skin hooking mechanism for hooking the tray covering the paper skin is arranged on the paper skin storage mechanism;

[0009] - An outgoing tray ground belt is used to receive the tray whose paper skin covering has been completed, and a stacking station for stacking the tray is arranged on the outgoing tray ground belt;

[0010] - A stacking mechanism is arranged above the stacking station and is used to sort and stack the tray, and a discharge mechanism connected with the conveyor belt production line is further arranged on the stacking mechanism;

[0011] The paper skin suction hook frame mechanism comprises a cross beam frame, a suction disc assembly for sucking paper skin, and a telescopic assembly and a lifting assembly for controlling the transverse and longitudinal movement of the suction disc assembly, both ends of the cross beam frame are further connected with hook frame assemblies for hooking and supporting trays, the suction disc assemblies are arranged equidistantly on the cross beam frame, one end of the lifting assembly is connected with the telescopic assembly and is connected across between the paper skin storage mechanism and the stacking mechanism, and is used for transferring the tray covered with paper skin from the tray entering ground belt to the tray exiting ground belt.

[0012] Preferably, the suction disc assembly comprises a suction disc mounting plate, a suction disc sliding rod and a vacuum suction disc, the suction disc mounting plate is arranged perpendicularly to the cross beam frame, both ends of the suction disc mounting plate are connected with the suction disc sliding rod, and the bottom end of the suction disc sliding rod is fixedly connected with the vacuum suction disc.

[0013] Preferably, the hook frame assembly comprises a U-shaped hook frame, a hook frame clamping plate and a bearing swing seat, the bearing swing seat is fixedly connected to the cross beam frame, and a swing shaft is rotatably connected between the bearing swing seats; the hook frame clamping plate is sleeved outside the swing shaft, and the other end of the hook frame clamping plate is connected with the U-shaped hook frame; the U-shaped hook frame is symmetrically arranged, and an inclined pad is arranged on the U-shaped hook frame, one side of the inclined pad is arranged as an inclined surface.

[0014] Preferably, the telescopic assembly comprises a telescopic arm, a guide component and a synchronous belt driving component, a plurality of telescopic arms are arranged, the plurality of telescopic arms are slidably connected through the guide component, and one of the telescopic arms is fixedly connected to the paper placing main frame; the guide component is composed of a bidirectional slide rail and a slide plate, the bidirectional slide rail is arranged at the upper and lower ends of the telescopic arm, one side of the slide plate is slidably connected to the slide rail, and the other side is fixedly connected with the telescopic arm; the synchronous belt driving component is connected to one side of the telescopic arm, and is used for driving the plurality of telescopic arms to synchronously extend and retract.

[0015] Preferably, the lifting assembly comprises a lifting support, a lifting guide rod and a lifting cylinder, a bearing swing assembly is connected between the top end of the lifting support and the telescopic assembly; the lifting guide rod and the lifting cylinder are vertically arranged on the lifting support, and the bottom end of the lifting guide rod and the output shaft end of the lifting cylinder are provided with a connecting plate fixedly connected with the cross beam frame.

[0016] Preferably, the tray disassembling mechanism comprises a mounting box, a tray disassembling guide rod assembly arranged in the mounting box and a tray disassembling lifting assembly for adjusting the height position of the tray disassembling guide rod assembly, one end of the tray disassembling guide rod assembly abuts against the tray, and the other end is in transmission connection with the tray disassembling lifting assembly.

[0017] Preferably, the paper cover storage mechanism comprises a paper cover storage main frame, a lock assembly for limiting and fixing the position of the paper cover, and an adjusting assembly for adjusting the angle of the paper cover, a plurality of paper cover abutting plates are arranged on one side of the paper cover storage main frame in equal intervals in the transverse direction, the lock assembly is arranged around the paper cover, and the lock assembly is fixedly connected to the paper cover abutting plates; and the adjusting assembly is movably connected to the connection between the paper cover storage main frame and the paper cover abutting plates.

[0018] Preferably, the stacking mechanism comprises a stacking frame, a gripper assembly mounted on the stacking frame for stacking the tray, a horizontal moving assembly and a vertical moving assembly for controlling the movement of the gripper assembly in the X direction and the Y direction of the stacking frame, the horizontal moving assembly is fixed to the top end of the stacking frame, and the horizontal moving assembly is arranged along the width direction of the stacking frame; one end of the vertical moving assembly is slidably connected to the horizontal moving assembly, and the other end is connected to the gripper assembly.

[0019] Preferably, the gripper assembly comprises a gripper beam, a clamping plate and a pressing sleeve, one side of the gripper beam is provided with a transmission screw rod for controlling and adjusting the position of the clamping plate and the pressing sleeve; the clamping plate is connected to both ends of the gripper beam, and a sliding guide seat is connected between the clamping plate and the gripper beam; the pressing sleeve is provided with a plurality of pressing sleeves, and the plurality of pressing sleeves are connected to the gripper beam through a pressing plate.

[0020] Preferably, the discharging mechanism comprises a belt frame, a conveying belt arranged on the belt frame, and a belt pulley transmission assembly located on both sides of the conveying belt, the belt frame is fixedly connected to the stacking frame, the conveying belt is sleeved on the belt frame, and the conveying belt is in transmission connection with the belt pulley transmission assembly; the belt pulley transmission assembly is provided with a plurality of belt pulley transmission assemblies arranged in a head-to-tail mode.

[0021] In summary, the beneficial effects of the tray conveying machine are as follows:

[0022] The tray conveying machine receives the tray through the tray receiving ground belt, disassembles the tray into a single tray through the tray disassembling mechanism, and then conveys the tray to the paper cover placing station, and the paper cover covering and transferring to the stacking station on the ground belt are completed by the paper cover hooking mechanism, and finally the stacking and discharging are completed by the stacking mechanism; thus, a series of automatic operations such as tray receiving, disassembling, paper cover covering and stacking can be realized, manual intervention is not required in the whole process, the production efficiency is greatly improved, and the labor cost is reduced; the tray conveying machine is suitable for large-scale production environment and has wide application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic view of the tray conveying machine of the utility model;

[0024] Figure 2 is a structural schematic view of the tray conveying machine of the utility model;

[0025] Figure 3 This is a schematic diagram of the internal structure of the support disassembly mechanism in the utility model;

[0026] Figure 4 This is a structural diagram of the cardboard storage mechanism in the utility model;

[0027] Figure 5 This is a structural diagram of the paper-sucking hook mechanism in the utility model;

[0028] Figure 6 yes Figure 5 A magnified view of the structure at a in the middle;

[0029] Figure 7 It is a structural diagram of the stacking mechanism in the utility model;

[0030] Figure 8 yes Figure 7 A magnified view of the structure at point b;

[0031] Figure 9 It is a structural diagram of the discharging mechanism in the utility model.

[0032] 1. Tray loading belt; 2. Tray removal mechanism; 21. Mounting box; 22. Tray removal guide rod assembly; 221. Tray guide rod; 222. Linear bearing; 223. Tray removal cylinder; 23. Tray removal lifting assembly; 231. Lifting guide rail; 232. Lifting screw; 233. Lifting plate; 234. Lifting cylinder; 3. Cardboard storage mechanism; 31. Paper loading main frame; 311. Cardboard support plate; 32. Lock assembly; 33. Adjustment assembly; 4. Cardboard suction hook mechanism; 41. Crossbeam frame; 42. Suction cup assembly; 421. Suction cup mounting plate; 422. Suction cup slide rod; 423. Vacuum suction cup; 43. Telescopic assembly; 431. Telescopic arm; 432. Guide component; 4321. Bidirectional slide rail; 4322 , skateboard; 433, synchronous belt drive component; 44, lifting assembly; 441, lifting bracket; 442, lifting guide rod; 443, lifting cylinder; 444, bearing swing assembly; 445, connecting plate; 45, hook assembly; 451, U-shaped hook; 4511, inclined pad; 452, hook clamp; 453, bearing swing seat; 5, unloading ground belt; 6, stacking mechanism; 61, stacking machine frame; 62, gripper assembly; 621, gripper beam; 622, clamping plate; 623, pressing sleeve; 624, transmission screw; 625, sliding guide seat; 63, transverse movement assembly; 64, vertical movement assembly; 7, discharge mechanism; 71, belt rack; 72, conveyor belt; 73, pulley drive assembly. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0034] Those skilled in the art should understand that, in the disclosure of the present application, the orientations or positional relationships indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the above terms cannot be understood as a limitation on the present application.

[0035] In addition, the terms "mount", "set", "provided with", "connected", "connected" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally constructed; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] In the description of the present application, if there are words such as "several" and the like, the meaning is one or more, the meaning of multiple is two or more, greater than, less than, more than, etc. It is understood as not including the number, above, below, within, etc. It is understood as including the number. If the first, second, third is described, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0037] The following will be described in detail with reference to the drawings of the embodiments of the present application. Figures 1-9 The embodiments of the tray conveyor of the present application will be further described in detail.

[0038] A tray conveyor, as shown in Figure 1 , 2 , comprises

[0039] - a tray receiving ground belt 1 for receiving a whole stack of trays placed by a forklift, two sides of the tray receiving ground belt 1 being connected with a tray disassembling mechanism 2 for disassembling the whole stack of trays into single trays;

[0040] - paper skin storage mechanism 3: for storing paper skin and covering paper skin on individual trays, the paper skin storage mechanism 3 is arranged at the end of the tray receiving ground belt 1, and the paper skin storage mechanism is provided with a paper skin hooking mechanism 4 for hooking the tray covered with paper skin;

[0041] - tray output ground belt 5: for receiving trays with completed paper skin covering, the tray output ground belt 5 is provided with a stacking station for stacking trays;

[0042] - stacking mechanism 6: arranged above the stacking station, for sorting and stacking trays, the stacking mechanism 6 is also provided with an output mechanism 7 connected to the conveying belt 72 production line;

[0043] Specifically, the tray receiving ground belt 1 and the tray output ground belt 5 both use multiple parallel guide rails for conveying trays, and are equipped with precise transmission devices and guide systems, which can stably and quickly convey trays to paper skin placing stations, stacking stations and other process points, ensuring smooth flow of trays on the entire production line. The design of the tray receiving ground belt 1 and the tray output ground belt 5 fully considers the connection with the paper skin hooking mechanism 4 and the stacking station, ensuring the stability and smoothness of the trays during the transfer process; through highly integrated automation equipment and intelligent control means, the entire process of tray receiving, disassembly, paper skin covering and stacking can be operated without human intervention, which not only greatly improves production efficiency and operation accuracy, but also reduces labor costs and safety hazards. The system is widely used in various warehouses, logistics centers, manufacturing plants and other places, especially suitable for large-scale, standardized cargo handling and stacking operations, and has significant economic and social benefits.

[0044] In this embodiment, as shown in Figure 5 、 6 , the paper skin hooking mechanism 4 includes a beam frame 41, a suction disc assembly 42 for sucking paper skin, and a telescopic assembly 43 and a lifting assembly 44 for controlling the transverse and longitudinal movement of the suction disc assembly 42, and the two ends of the beam frame 41 are also connected with a hooking assembly 45 for hooking the tray; the suction disc assembly 42 is arranged equidistantly on the beam frame 41, and one end of the lifting assembly 44 is connected with the telescopic assembly 43 transversely and connected between the paper skin storage mechanism 3 and the stacking mechanism 6, for transferring the tray covered with paper skin from the tray receiving ground belt 1 to the tray output ground belt 5.

[0045] Specifically, the paper skin hooking mechanism 4 equipped with telescopic function is one of the cores of the production line, which uses vacuum adsorption technology and precise coordinate positioning system, can suck a single paper skin at the paper skin placing position, and accurately and accurately paste it on the tray. Subsequently, the mechanism can also transfer the tray with paper skin to the tray output ground belt 5, realize seamless connection, and ensure the continuity and smoothness of the entire process.

[0046] The suction cup assembly 42 comprises a suction cup mounting plate 421, a suction cup sliding rod 422 and a vacuum suction cup 423. The suction cup mounting plate 421 is arranged perpendicularly to the beam frame 41, and the two ends of the suction cup mounting plate 421 are connected with the suction cup sliding rod 422. The bottom end of the suction cup sliding rod 422 is fixedly connected with the vacuum suction cup 423. When the tray is grabbed, the paper cover stored on the paper cover storage mechanism 3 is first grabbed by the suction cup assembly 42, so that the paper cover is quickly placed on the tray. When the paper cover is grabbed, the suction height of the suction cup assembly 42 is controlled by the lifting assembly 44, and then the swinging direction of the suction cup assembly 42 is controlled by the bearing swinging assembly 444, so that the suction of the paper cover is completed. Then, the positions on both sides of the tray are hooked by the hook frame assembly 45, so that the tray can be quickly transported.

[0047] The lifting assembly 44 comprises a lifting support 441, a lifting guide rod 442 and a lifting cylinder 443. The top end of the lifting support 441 is connected with the bearing swinging assembly 444 between the telescopic assembly 43. The lifting guide rod 442 and the lifting cylinder 443 are arranged vertically on the lifting support 441. The bottom end of the lifting guide rod 442 and the output shaft end of the lifting cylinder 443 are provided with a connecting plate 445 which is fixedly connected with the beam frame 41. The hook frame assembly 45 comprises a U-shaped hook frame 451, a hook frame clamping plate 452 and a bearing swinging seat 453. The bearing swinging seat 453 is fixedly connected with the beam frame 41, and the bearing swinging seat 453 is rotatably connected with a swinging shaft. The hook frame clamping plate 452 is sleeved outside the swinging shaft, and the other end of the hook frame clamping plate 452 is connected with the U-shaped hook frame 451. The U-shaped hook frame 451 is symmetrically arranged, and the U-shaped hook frame 451 is provided with an inclined pad 4511. The purpose of arranging the inclined pad 4511 is to further limit the fixed tray and prevent the risk of falling during the transportation. The side of the inclined pad 4511 is arranged as an inclined surface, so that the U-shaped hook frame 451 can more smoothly grab the tray.

[0048] In addition, the telescopic assembly 43 comprises a telescopic arm 431, a guide component 432 and a synchronous belt driving component 433. A plurality of telescopic arms 431 are arranged, and the plurality of telescopic arms 431 are slidably connected through the guide component 432. One of the telescopic arms 431 is fixedly connected with the paper releasing main frame 31. The guide component 432 is composed of a bidirectional sliding rail 4321 and a sliding plate 4322. The bidirectional sliding rail 4321 is arranged at the upper and lower ends of the telescopic arm 431. One side of the sliding plate 4322 is slidably connected with the sliding rail, and the other side is fixedly connected with the telescopic arm 431. The synchronous belt driving component 433 is connected with one side of the telescopic arm 431, for driving the plurality of telescopic arms 431 to synchronously extend and retract.

[0049] In the embodiment, as shown in Figure 3As shown, the disassembling mechanism 2 includes a mounting box 21, a disassembling guide rod assembly 22 arranged in the mounting box 21, and a disassembling lifting assembly 4423 for adjusting the height position of the disassembling guide rod assembly 22, one end of the disassembling guide rod assembly 22 abuts on the pallet, and the other end is in transmission connection with the disassembling lifting assembly 4423. When the forklift places the whole stack of pallets on the pallet entering ground belt 1, in order to better improve the production effect, the whole stack of pallets is disassembled into single pallets by the disassembling guide rod assembly 22, the smooth separation and orderly discharge between the pallets are ensured, and the disassembling height of the disassembling guide rod assembly 22 is adjusted by the disassembling lifting assembly 4423, so that the disassembling can be performed on the pallets of different types of heights, and the collision and misplacement between the pallets are effectively avoided, thereby laying a good foundation for the subsequent process.

[0050] In this embodiment, as shown in the figure, Figure 4 The paper skin storage mechanism 3 includes a paper skin storage mechanism 3, a paper skin storage mechanism 3, and a paper skin storage mechanism 3.

[0051] Specifically, the purpose of the paper skin storage mechanism 3 is to store paper skin and complete the paper skin feeding, so that the paper skin can cover the pallet. In order to accurately cover the paper skin on the pallet, the inclination angle of the paper skin placed on the paper skin rest plate 311 is adjusted by the adjusting assembly 33, so that it can perfectly fit the pallet when covering. The adjusting assembly 33 adopts an adjusting plate and a threaded screw rod, and a manual handle is arranged at one end of the threaded screw rod to control the position of the adjusting plate, so that the adjusting plate can abut on the paper plate, and the angle of the paper skin resting on the paper skin rest plate 311 is adjusted according to the production demand. In order to avoid the problem of paper skin falling off the paper skin rest plate 311, a plurality of locking assemblies 32 are arranged on the paper skin rest plate 311 to lock and position the paper skin. The locking assembly 32 is arranged around the four sides of the paper skin, which can achieve better positioning effect, and the locking assembly 32 adopts the existing locking pressing plate structure.

[0052] In this embodiment, as shown in the figure, Figure 7 , 8As shown, the stacking mechanism 6 comprises a stacking frame 61, a gripper assembly 62 mounted on the stacking frame 61 for stacking the tray, and a horizontal moving assembly 63 and a vertical moving assembly 64 for controlling the horizontal and vertical movement of the gripper assembly 62 on the stacking frame 61. The horizontal moving assembly 63 is fixed to the top end of the stacking frame 61 and is arranged along the width direction of the stacking frame 61. One end of the vertical moving assembly 64 is slidingly connected to the horizontal moving assembly 63, and the other end is connected to the gripper assembly 62.

[0053] Specifically, the gripper assembly 62 comprises a gripper beam 621, a clamping plate 622, and a pressing sleeve head 623. One side of the gripper beam 621 is provided with a transmission screw rod 624 for controlling and adjusting the position of the clamping plate 622 and the pressing sleeve head 623. The clamping plate 622 is connected to both ends of the gripper beam 621, and a sliding guide seat 625 is connected between the clamping plate 622 and the gripper beam 621. The pressing sleeve head 623 is provided with a plurality of pressing sleeves, which are connected to the gripper beam 621 through a pressing plate. When stacking the tray, the gripper assembly 62 is moved above the tray by the horizontal moving assembly 63 and the vertical moving assembly 64, and the two ends of the tray are clamped and fixed by the clamping plate 622 and the pressing sleeve head 623, so that it can move smoothly. Then, the tray is moved to the designated stacking station by the horizontal moving assembly 63 and the vertical moving assembly 64 for stacking. As the end point of the production line, the stacking station is responsible for the assembly and arrangement of the final product. Therefore, the stacking mechanism 6 plays a crucial role in achieving high-precision material grabbing and stacking through the use of the gripper assembly 62, ensuring that each layer of paper skin is neatly and stably stacked on the tray, forming an aesthetically pleasing and compact product packaging form, which facilitates subsequent warehousing and transportation.

[0054] In this embodiment, as shown in the figure, Figure 9 The discharge mechanism 7 comprises a belt frame 71, a conveyor belt 72 arranged on the belt frame 71, and a belt pulley transmission assembly 73 located on both sides of the conveyor belt 72. The belt frame 71 is fixedly connected to the stacking frame 61, the conveyor belt 72 is sleeved on the belt frame 71, and the conveyor belt 72 is in transmission connection with the belt pulley transmission assembly 73. The belt pulley transmission assembly 73 is provided with a plurality of belt pulley transmission assemblies 73 connected end to end.

[0055] Specifically, one end of the discharge mechanism 7 can be connected to the external production and transportation line, so that the stacked tray can be quickly discharged. During the conveying process, the belt pulley transmission assembly 73 drives the conveyor belt 72 to rotate and convey. After the tray is clamped and placed on the conveyor belt 72 by the stacking mechanism 6, the discharge can be automatically completed.

[0056] It is worth mentioning that in addition to the above-mentioned core components, the automatic tray conveying production line system of the utility model is also equipped with a perfect integrated control center, which realizes information interconnection and data sharing of each link by means of Internet of Things technology, can monitor the production line state in real time, predict and handle possible faults, improve production efficiency and stability. In addition, the system also has automatic cleaning and maintenance functions, which can automatically perform cleaning and lubrication tasks during the idle period of the production line, maintain the best working condition of the equipment, prolong the service life of the equipment, and reduce the maintenance cost.

[0057] The working principle of the utility model is:

[0058] The whole tray is placed on the tray entering ground belt 1 by the forklift, the tray disassembling mechanism 2 disassembles the whole tray, and the tray entering ground belt 1 conveys the single tray disassembled by the tray disassembling mechanism 2 to the paper cover storage mechanism 3 at the paper cover placing position, after the single tray reaches the paper cover placing position, the paper cover hooking mechanism 4 sucks the single paper cover from the paper cover placing position and places it on the tray, after placing the paper cover, the paper cover hooking mechanism 4 hooks the single tray with the paper cover and places it on the tray stacking position on the tray discharging ground belt 5, after placing, the tray is stacked by the stacking mechanism 6, and the above operation steps are repeated to complete a series of automatic operations such as tray receiving, disassembling, paper cover covering and stacking; without manual intervention, the production efficiency is greatly improved, and the labor cost is reduced; it is suitable for large-scale production environment and has wide application prospect.

[0059] The embodiments of the specific embodiment are the preferred embodiments of the application, not limited to the protection scope of the application, wherein the same parts are indicated by the same reference signs. Therefore: any equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A tray conveyor, characterized in that The application relates to a paper covering device for a pallet conveying production line. The paper covering device comprises an incoming pallet ground belt for receiving a whole stack of pallets placed by a forklift truck, two sides of the incoming pallet ground belt being connected with pallet disassembling mechanisms for disassembling the whole stack of pallets into single pallets; a paper skin storage mechanism for storing paper skins and covering the paper skins on the single pallets, the paper skin storage mechanism being arranged at the end of the incoming pallet ground belt, and the paper skin storage mechanism being provided with a paper skin hooking mechanism for hooking the pallets covered with the paper skins; an outgoing pallet ground belt for receiving the pallets with the completed paper skin covering, the outgoing pallet ground belt being provided with a pallet stacking station for stacking the pallets; and a pallet stacking mechanism arranged above the pallet stacking station and used for sorting and stacking the pallets, the pallet stacking mechanism being further provided with an ejection mechanism connected with the conveying belt production line. The paper skin hooking mechanism comprises a beam frame, a suction disc assembly used for sucking the paper skins, and a telescopic assembly and a lifting assembly used for controlling the transverse and longitudinal movement of the suction disc assembly, two ends of the beam frame being further connected with hooking assemblies for hooking the pallets; the suction disc assembly is arranged on the beam frame in equidistant intervals, one end of the lifting assembly being connected with the telescopic assembly and being transversely connected between the paper skin storage mechanism and the pallet stacking mechanism, and the lifting assembly being used for transferring the pallets covered with the paper skins from the incoming pallet ground belt to the outgoing pallet ground belt. The suction disc assembly comprises a suction disc mounting plate, a suction disc sliding rod and a vacuum suction disc, the suction disc mounting plate being arranged perpendicularly to the beam frame, and two ends of the suction disc mounting plate being connected with the suction disc sliding rod, and the bottom end of the suction disc sliding rod being fixedly connected with the vacuum suction disc. The hooking assembly comprises a U-shaped hooking frame, a hooking clamping plate and a bearing swing base, the bearing swing base being fixedly connected with the beam frame, and a swing shaft being rotatably connected between the bearing swing bases; the hooking clamping plate is sleeved outside the swing shaft, and the other end of the hooking clamping plate is connected with the U-shaped hooking frame; the U-shaped hooking frame is symmetrically arranged, and is provided with inclined pads, one side of the inclined pad being arranged as an inclined surface. The telescopic assembly comprises telescopic arms, a guide component and a synchronous belt driving component, the telescopic arms being arranged in plurality, the plurality of telescopic arms being slidably connected through the guide component, and one of the telescopic arms being fixedly connected with the paper placing main frame; the guide component is composed of bidirectional sliding rails and a sliding plate, the bidirectional sliding rails being arranged at the upper and lower ends of the telescopic arms, one side of the sliding plate being slidably connected with the sliding rails, and the other side being fixedly connected with the telescopic arms; the synchronous belt driving component is connected with one side of the telescopic arms respectively, and is used for driving the plurality of telescopic arms to synchronously telescopically extend.

2. The tray conveyor of claim 1, wherein, The lifting assembly comprises a lifting support, a lifting guide rod and a lifting cylinder, a bearing swing assembly being connected between the top end of the lifting support and the telescopic assembly; the lifting guide rod and the lifting cylinder are vertically arranged on the lifting support, and the bottom end of the lifting guide rod and the output shaft end of the lifting cylinder are provided with a connecting plate fixedly connected with the beam frame.

3. The tray conveyor of claim 2, wherein, The pallet disassembling mechanism comprises a mounting box, a pallet disassembling guide rod assembly arranged in the mounting box and a pallet disassembling lifting assembly used for adjusting the height position of the pallet disassembling guide rod assembly, one end of the pallet disassembling guide rod assembly abutting against the pallet, and the other end being in transmission connection with the pallet disassembling lifting assembly.

4. The tray conveyor of claim 1, wherein, ​ 5. The tray conveyor of claim 4, wherein, ​ 6. The tray conveyor of claim 1, wherein, ​ 7. The tray conveyor of claim 1, wherein, The paper skin storage mechanism comprises a paper skin storage main frame for storing paper skins, a lock assembly for limiting and fixing the position of the paper skins, and an adjusting assembly for adjusting the angle of the paper skins, a plurality of paper skin supporting plates are arranged on one side of the paper skin storage main frame in equal distances in the transverse direction, the lock assembly is arranged around the paper skins, and the lock assembly is fixedly connected to the paper skin supporting plates; and the adjusting assembly is movably connected to the connection between the paper skin storage main frame and the paper skin supporting plates.

8. The tray conveyor of claim 1, wherein, The stacking mechanism comprises a stacking frame, a gripper assembly mounted on the stacking frame for stacking the trays, a horizontal moving assembly and a vertical moving assembly for controlling the movement of the gripper assembly in the X direction and the Y direction of the stacking frame, the horizontal moving assembly is fixed to the top end of the stacking frame, and the horizontal moving assembly is arranged along the width direction of the stacking frame; one end of the vertical moving assembly is slidably connected to the horizontal moving assembly, and the other end is connected to the gripper assembly.

9. The tray conveyor of claim 8, wherein, The gripper assembly comprises a gripper beam, a clamping plate and a pressing sleeve head, one side of the gripper beam is provided with a transmission screw rod for controlling and adjusting the position of the clamping plate and the pressing sleeve head; the clamping plate is connected to both ends of the gripper beam, and a sliding guide seat is connected between the clamping plate and the gripper beam; the pressing sleeve head is provided with a plurality of pressing sleeve heads, and the plurality of pressing sleeve heads are connected to the gripper beam through a pressing plate.

10. The tray conveyor of claim 1, wherein, The discharging mechanism comprises a belt frame, a conveying belt arranged on the belt frame, and a belt pulley transmission assembly located on both sides of the conveying belt, the belt frame is fixedly connected to the stacking frame, the conveying belt is sleeved on the belt frame, and the conveying belt is in transmission connection with the belt pulley transmission assembly; the belt pulley transmission assembly is provided with a plurality of belt pulley transmission assemblies, and the plurality of belt pulley transmission assemblies are connected in a head-to-tail manner.

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