A tray separating device and fruit and vegetable sorting machine

Abstract

The utility model relates to fruit and vegetable sorting technical field discloses a tray separation device and fruit and vegetable sorting machine, tray separation device includes mainframe, lifting assembly, grabbing assembly, conveying assembly and shakes tray subassembly, lifting assembly, grabbing assembly and conveying assembly are established on mainframe, lifting assembly and conveying assembly are located below grabbing assembly and shakes tray subassembly, and lifting assembly is used for holding and lifting tray, and grabbing assembly is used for transporting the tray on lifting assembly to conveying assembly, and shakes tray subassembly is established on grabbing assembly, and when grabbing assembly grabs the tray on lifting assembly, shakes tray subassembly is used for generating reciprocating vibration to tray. In the process of grabbing tray, the rest tray will not appear deadweight displacement or fall to the phenomenon such as being grabbed in the tray, and shakes tray subassembly can generate reciprocating vibration to the tray in grabbing, can shake off other adhesion's tray, and further can avoid appearing tray separation unstable phenomenon.

Description

Technical Field

[0001] This utility model relates to the field of fruit and vegetable sorting technology, and in particular to a tray separation device and a fruit and vegetable sorting machine. Background Technology

[0002] As people pursue a higher quality of life, more and more people are demanding higher quality fruits and vegetables, making fruit and vegetable sorting an important technology. Fruit and vegetable sorting involves packing the fruits and vegetables into boxes. Each box may contain trays to separate the fruits and vegetables between layers. During sorting, multiple trays are stacked together. During packing, the trays need to be separated one by one and placed into the fruit boxes sequentially.

[0003] Currently, when separating stacked pallets, the common method is to pick up or grab the pallets from below to achieve separation and transfer. However, due to the weight of the pallets themselves, the pallet grabbing process can easily cause other pallets to fall, shift, or stick together, resulting in multiple pallets being grabbed at once, making it impossible to ensure that only one pallet is grabbed each time, thus causing unstable pallet separation. Utility Model Content

[0004] The present invention aims to provide a tray separation device and a fruit and vegetable sorting machine to solve the technical problem of unstable tray separation in the prior art.

[0005] The technical problem solved by this utility model embodiment is addressed by the following technical solution: One embodiment of this utility model provides a pallet separation device, including a main frame, a lifting component, a gripping component, a conveying component, and a pallet shaking component; The lifting assembly, the gripping assembly, and the conveying assembly are mounted on the main frame; The lifting component and the conveying component are located below the gripping component and the shaking component. The lifting component is used to hold and lift the pallet. The gripping component is used to transfer the pallet located on the lifting component to the conveying component. The shaking component is located on the gripping component. When the gripping component grips the pallet on the lifting component, the shaking component is used to generate reciprocating vibration on the pallet.

[0006] In the pallet separation device of this embodiment, the main frame is used to mount the lifting component, the gripping component, and the conveying component. The lifting component can hold stacked pallets and can also lift the stacked pallets to a position equal to the height of the conveying component. Since the lifting component and the conveying component are both located below the gripping component and the shaking component, the gripping component can grip the topmost pallet from above the lifting component and transfer it to the conveying component. Because the gripping component grips the pallet from above the lifting component, it only grips the topmost pallet. During the gripping process, other pallets will not shift due to their own weight or fall onto the pallet being gripped, thus reducing the impact of other pallets on the pallet being gripped. Furthermore, during the process of the gripping component gripping the pallet from the lifting component, the shaking component can generate reciprocating vibrations on the gripped pallet, shaking off other adhered pallets, thereby ensuring that the gripping component only grips one pallet at a time, thus avoiding unstable pallet separation.

[0007] In some embodiments, the lifting assembly includes a lifting mechanism and a support plate, the lifting mechanism and the support plate being tractively connected to drive the support plate to lift and lower, and the top surface of the support plate having a holding station for holding the tray.

[0008] In this embodiment, the top surface of the support plate forms a holding station, where stacked pallets can be placed. A lifting mechanism raises and lowers the support plate, allowing the pallets at the holding station to reach either a first preset height or a second preset height, where the first preset height is higher than the second preset height. The lifting mechanism then drives the support plate upwards, bringing the top pallet of the holding station to the first preset height. The gripping component transfers the pallet, now at the first preset height and on the top of the holding station, to the conveying component. After the gripping component has gripped the pallet, the lifting mechanism drives the support plate downwards, lowering the pallet to the second preset height.

[0009] In some embodiments, the number of lifting components is two, and each lifting component further includes at least two guide posts. The support plate has a first through hole, the number of the first through holes is equal to the number of the guide posts and they correspond one-to-one. Each first through hole is arranged around the holding station. Each guide post is vertically arranged on the main frame and passes through the corresponding first through hole. The top of the guide post forms a sharp guide portion. The holding stations on the two lifting components are symmetrically arranged.

[0010] In this embodiment, by setting two lifting components with symmetrically arranged holding stations on the two lifting components, pallets can be placed symmetrically, thus accommodating multiple types and positions of pallets and meeting various operational needs. In each lifting component, guide posts are arranged around the holding station, thereby limiting the position of the pallet placed there and preventing it from shifting, ensuring that the gripping component can accurately grasp the pallet. Furthermore, when the lifting mechanism drives the support plate to rise and fall, the guide posts and corresponding first through holes cooperate to guide the vertical movement of the support plate. When a pallet is placed in the holding station, the guides guide the pallet.

[0011] In some embodiments, the shaking assembly includes a first telescopic drive element, a mounting base, and a push plate. The mounting base is disposed on the gripping assembly, the fixed end of the first telescopic drive element is disposed on the mounting base, the push plate is disposed on the telescopic end of the first telescopic drive element, and the holding station is located below the push plate. Driven by the first telescopic drive element, the push plate can reciprocate in the direction of approaching or moving away from the holding station.

[0012] In this embodiment, the mounting base is used to mount the first telescopic drive element, which drives the push plate to reciprocate in a direction closer to or further away from the holding station. When the gripping component grips the topmost pallet on the lifting component, the reciprocating vibration of the push plate causes the pallet gripped by the gripping component to vibrate reciprocally, thereby shaking off other stuck pallets and ensuring that the gripping component grips only one pallet at a time.

[0013] In some embodiments, the top surfaces of the push plate and the support plate are parallel.

[0014] In this embodiment, the top surface of the support plate forms a holding station for holding a pallet. Since the top surfaces of the push plate and the support plate are parallel, when the gripping assembly grips the pallet and the first telescopic drive element drives the push plate to reciprocate, the push plate and the pallet can be basically parallel. The reciprocating vibration of the push plate on the pallet can effectively shake off the remaining pallets.

[0015] In some embodiments, the push plate has a second through hole.

[0016] In this embodiment, by providing a second through hole, the weight of the push plate can be reduced, thereby increasing the amplitude of the push plate and thus improving the shaking effect on the tray.

[0017] In some embodiments, the mounting base includes a first mounting plate, a second mounting plate, and two reinforcing plates. The first mounting plate is disposed on the gripping assembly. One end of the second mounting plate and one end of the two reinforcing plates are disposed on the first mounting plate, and the two reinforcing plates and the second mounting plate form a preset angle. The two reinforcing plates are located on opposite sides of the second mounting plate. The fixed end of the first telescopic drive element is located on the second mounting plate.

[0018] In this embodiment, the first mounting plate is used to mount the second mounting plate and the reinforcing plate. The second mounting plate is used to mount the first telescopic drive element. The two reinforcing plates have a reinforcing effect, making the overall connection strength of the mounting base higher.

[0019] In some embodiments, the gripping assembly includes a lateral movement mechanism, a needle, and two second telescopic drive elements; The lateral movement mechanism is mounted on the main frame, the two second telescopic drive elements and the shaking disk assembly are mounted on the lateral movement mechanism, and the lifting assembly and the conveying assembly are located below the two second telescopic drive elements and the shaking disk assembly. The telescopic end of the second telescopic drive element is located below the fixed end of the second telescopic drive element; The two second telescopic drive elements are inclined relative to the horizontal plane, the fixed ends of the two second telescopic drive elements are close to each other, the telescopic ends of the two second telescopic drive elements are far apart from each other, and the telescopic ends of the two second telescopic drive elements are respectively provided with the needles.

[0020] In this embodiment, the lateral movement mechanism drives the second telescopic drive element and the shaking tray assembly to move back and forth horizontally. When the lateral movement mechanism moves the second telescopic drive element and the shaking tray assembly above the holding station, and the lifting mechanism drives the support plate to rise so that the topmost tray on the holding station reaches the first preset height position, the telescopic ends of the two second telescopic drive elements respectively drive the corresponding needles to pierce into the topmost tray of the holding station. The first telescopic drive element in the shaking tray assembly drives the push plate to reciprocate and vibrate the tray. If the tray is stuck to other trays, the reciprocating vibration of the shaking tray assembly can shake the other trays off to the holding station. If the tray is not stuck to other trays, the shaking tray assembly does not affect the needles' gripping of the tray and subsequent operations, regardless of whether it is working. In this embodiment, since the needles at the telescopic ends of the two second telescopic drive elements can form a strong connecting force on the tray, the tray can be prevented from falling during the transfer to the conveying assembly. Furthermore, since the needles at the telescopic ends of the two second telescopic drive elements are inserted into the tray at an angle, when the telescopic ends of the two second telescopic drive elements drive the needles to retract, the component force of the connecting force of each needle on the tray changes significantly, making it easier for the needles to exit from the tray.

[0021] In some embodiments, the tray separation device further includes a controller, a first sensing component, and a second sensing component; The lifting component is used to raise or lower the pallet to a first preset height position or a second preset height position, wherein the first preset height position is higher than the second preset height position, and the gripping component is used to transfer the pallet located at the first preset height position to the conveying component; The first sensing component and the second sensing component are disposed on the main frame. The first sensing component is used to sense the first preset height position of the tray, and the second sensing component is used to sense the second preset height position of the tray. The controller is communicatively connected to the first sensing component, the second sensing component, the lifting component, the grasping component, and the shaking disk component.

[0022] In this embodiment, under the unified control of the controller, when the lifting component lifts the multiple stacked pallets and the top pallet reaches a first preset height, the first sensing component is triggered. After the gripping component grips the top pallet, the shaking component generates reciprocating vibrations on the gripped pallet. The lifting component moves the remaining pallets down to a second preset height. When the pallet reaches the second preset height, the second sensing component is triggered. Simultaneously, the gripping component transfers the gripped pallet to the conveying component, which then transports it to the downstream workstation. Then, the lifting component moves upward again and repeats the above steps until the gripping component has transferred all the pallets on the lifting component to the conveying component. In this embodiment, under the unified control of the controller, the pallet separation device has a high degree of automation and can achieve assembly line operation.

[0023] Another embodiment of this utility model provides a fruit and vegetable sorting machine, including the tray separation device in any of the above embodiments. The fruit and vegetable sorting machine of this embodiment also has the above advantages, which will not be repeated here.

[0024] Compared to existing technologies, in the pallet separation device of this embodiment, the main frame is used to mount a lifting component, a gripping component, and a conveying component. The lifting component can hold stacked pallets and can also lift the stacked pallets to a position equal to the height of the conveying component. Since the lifting component and the conveying component are both located below the gripping component and the shaking component, the gripping component can grip the topmost pallet from above the lifting component and transfer it to the conveying component. Because the gripping component grips the pallet from above the lifting component, it only grips the topmost pallet. During the gripping process, other pallets will not shift due to their own weight or fall onto the pallet being gripped, reducing the impact of other pallets on the pallet being gripped. Furthermore, during the process of the gripping component gripping the pallet from the lifting component, the shaking component can generate reciprocating vibrations on the gripped pallet, shaking off other adhered pallets, thereby ensuring that the gripping component only grips one pallet at a time, thus avoiding unstable pallet separation. Attached Figure Description

[0025] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings do not constitute a limitation on scale.

[0026] Figure 1 This is a schematic diagram of the tray separation device in one embodiment of the present invention; Figure 2 This is a connection diagram of the gripping component and the shaking disk component in one embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of the shaking disk assembly in one embodiment of the present invention; Figure 4 yes Figure 1 A magnified view of a portion of the image; Figure 5 This is a diagram showing the connection relationship between the needle and the tray in one embodiment of this utility model.

[0027] Figure label: 100. Pallet Separation Device; 101. Pallet; 10. Main Frame; 20. Lifting Assembly; 22. Lifting Mechanism; 222. Lead Screw; 224. Lead Screw Nut; 226. Lead Screw Seat; 228. First Motor; 229. Slide Rail Module; 2292. Slide Rail; 2294. Slider; 24. Support Plate; 242. Container Station; 244. First Through Hole; 26. Guide Post; 30. Gripping Assembly; 32. Lateral Movement Mechanism; 322. Rack; 324. Gear; 326. Mounting Plate; 328. Second Motor; 34. Needle; 36. Second Telescopic Drive Element; 40. Conveying Assembly; 50. Pallet Shaking Assembly; 52. First Telescopic Drive Element; 54. Mounting Base; 542. First Mounting Plate; 544. Second Mounting Plate; 546. Reinforcing Plate; 56. Push Plate; 562. Second Through Hole; 60. First Sensing Assembly. Detailed Implementation

[0028] To facilitate understanding of this utility model, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as "connected" to another element, it can be directly on the other element, or one or more intermediate elements can exist between them. The terms "upper," "lower," "left," "right," "upper end," "lower end," "top," and "bottom," etc., used in this specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention.

[0030] The following detailed description, in conjunction with all the accompanying drawings, describes a tray separation device 100 and a fruit and vegetable sorting machine provided in this application through specific embodiments.

[0031] Please refer to Figure 1 and Figure 2 One embodiment of this utility model discloses a tray separation device 100, including a main frame 10, a lifting component 20, a gripping component 30, a conveying component 40, and a tray shaking component 50; The lifting component 20, the gripping component 30, and the conveying component 40 are mounted on the main frame 10; The lifting assembly 20 and the conveying assembly 40 are located below the gripping assembly 30 and the shaking assembly 50. The lifting assembly 20 is used to hold and lift the pallet 101. The gripping assembly 30 is used to transfer the pallet 101 located on the lifting assembly 20 to the conveying assembly 40. The shaking assembly 50 is located on the gripping assembly 30. When the gripping assembly 30 grips the pallet 101 on the lifting assembly 20, the shaking assembly 50 is used to generate reciprocating vibration of the pallet 101.

[0032] In the pallet separation device 100 of this embodiment, the main frame 10 is used to install the lifting component 20, the gripping component 30, and the conveying component 40. The lifting component 20 can hold stacked pallets 101 and can also lift the stacked pallets 101 to a position equal to the height of the conveying component 40. Since the lifting component 20 and the conveying component 40 are both located below the gripping component 30 and the pallet shaking component 50, the gripping component 30 can grip the topmost pallet 101 from above the lifting component 20 and transfer it to the conveying component 40. Because the gripping component 30 grips the pallet 101 from above the lifting component 20, it grips only the topmost pallet 101. During the gripping process, other pallets 101 will not shift due to their own weight or fall onto the pallet 101 being gripped, thus reducing the impact of other pallets 101 on the pallet 101 being gripped. Furthermore, during the process of the gripping component 30 gripping the pallet 101 from the lifting component 20, the shaking component 50 can generate reciprocating vibrations on the gripped pallet 101, shaking off other adhered pallets 101, thereby ensuring that the gripping component 30 grips only one pallet 101 at a time, thus avoiding unstable separation of the pallets 101. Figure 1 and Figure 2 The direction indicated by the double-headed arrow A is the vibration direction of the shaking disk component 50, and the direction indicated by the double-headed arrow B is the movement direction of the gripping component 30.

[0033] Understandably, if the gripping component 30 only grips one tray 101 during the gripping process, the jigger component 50 can choose to operate normally or not. When the jigger component 50 operates normally, it does not affect the gripping component 30's gripping of the tray 101 or subsequent operations.

[0034] In some embodiments, the lifting assembly 20 includes a lifting mechanism 22 and a support plate 24. The lifting mechanism 22 and the support plate 24 are connected by a transmission to drive the support plate 24 to lift. The top surface of the support plate 24 is provided with a holding station 242 for holding the tray 101.

[0035] In this embodiment, the top surface of the support plate 24 can form a holding station 242, where stacked pallets 101 can be placed. The lifting mechanism 22 drives the support plate 24 to rise and fall, allowing the pallets 101 at the holding station 242 to reach either a first preset height position or a second preset height position. The first preset height position is higher than the second preset height position. The lifting mechanism 22 can then drive the support plate 24 to rise, bringing the top pallet 101 of the holding station 242 to the first preset height position. The gripping component 30 can transfer the pallet 101, which has reached the first preset height position and is located at the top of the holding station 242, to the conveying component 40. After the gripping component 30 has gripped the pallet 101, the lifting mechanism 22 can drive the support plate 24 to fall, bringing the pallet 101 down to the second preset height position.

[0036] In one specific embodiment, the lifting mechanism 22 includes a lead screw 222, a lead screw nut 224, a lead screw seat 226, a first motor 228, and slide rail modules 229. The lead screw seat 226 is mounted on the main frame 10, and the lead screw 222 is rotatably mounted on the lead screw seat 226 and is vertically arranged. The first motor 228 is connected to the lead screw 222 to drive the lead screw 222 to rotate. The lead screw nut 224 is sleeved on the lead screw 222 and is connected to the support plate 24. After the lead screw 222 rotates, the lead screw nut 224 can move along the axial direction of the lead screw 222, thereby driving the support plate 24 to move up and down. There are four slide rail modules 229, and each slide rail module 229 is located at one of the four corners of the support plate 24. Each slide rail module 229 includes a slide rail 2292 and a slider 2294. The slide rail 2292 is mounted on the main frame 10 and is vertically arranged. The slider 2294 is slidably arranged on the slide rail 2292 and is connected to the support plate 24.

[0037] In some embodiments, there are two lifting components 20, and each lifting component 20 further includes at least two guide posts 26. The support plate 24 is provided with a first through hole 244. The number of first through holes 244 is equal to the number of guide posts 26 and corresponds one-to-one. Each first through hole 244 is arranged around the holding station 242. Each guide post 26 is vertically arranged on the main frame 10 and passes through the corresponding first through hole 244. The top of the guide post 26 forms a sharp guide part 262. The two lifting components 20 are symmetrically arranged with holding stations 242.

[0038] In this embodiment, by setting two lifting components 20, with symmetrically arranged holding stations 242 on the two lifting components 20, the pallet 101 can be placed symmetrically, thus adapting to multiple types and positions of the pallet 101 and meeting various operational needs. In each lifting component 20, each guide post 26 is arranged around the holding station 242, thus limiting the position of the pallet 101 placed in the holding station 242, preventing the pallet 101 from shifting, and ensuring that the gripping component 30 can accurately grip the pallet 101. In addition, when the lifting mechanism 22 drives the support plate 24 to rise and fall, the guide post 26 and the corresponding first through hole 244 cooperate with each other, thereby guiding the vertical movement of the support plate 24. When the pallet 101 is placed in the holding station 242, the guide part 262 guides the pallet 101.

[0039] Please refer to the above as well. Figures 3 to 5 In some embodiments, the shaking assembly 50 includes a first telescopic drive element 52, a mounting base 54, and a push plate 56. The mounting base 54 is disposed on the gripping assembly 30, the fixed end of the first telescopic drive element 52 is disposed on the mounting base 54, the push plate 56 is disposed on the telescopic end of the first telescopic drive element 52, and the holding station 242 is located below the push plate 56. Driven by the first telescopic drive element 52, the push plate 56 can reciprocate in the direction of approaching or moving away from the holding station 242.

[0040] In this embodiment, the mounting base 54 is used to mount the first telescopic drive element 52, which drives the push plate 56 to reciprocate in a direction closer to or further away from the holding station 242. When the gripping assembly 30 grips the topmost tray 101 on the lifting assembly 20, the reciprocating vibration of the push plate 56 causes it to vibrate against the tray 101 gripped by the gripping assembly 30, thereby shaking off other adhered trays 101 and ensuring that the gripping assembly 30 grips only one tray 101 at a time. Figure 3 The direction indicated by the double-headed arrow A is the vibration direction of the shaking disk assembly 50.

[0041] In some specific embodiments, the fixed end of the first telescopic drive element 52 is mounted to the mounting base 54 by bolts or the like, and the push plate 56 is mounted to the telescopic end of the first telescopic drive element 52 by bolts or the like. The first telescopic drive element 52 can be a cylinder, a hydraulic cylinder, an electric cylinder, etc.

[0042] In some embodiments, the top surfaces of the push plate 56 and the support plate 24 are parallel.

[0043] In this embodiment, the top surface of the support plate 24 forms a holding station 242, which is used to hold the tray 101. Since the top surfaces of the push plate 56 and the support plate 24 are parallel, when the gripping component 30 grips the tray 101 and the first telescopic drive element 52 drives the push plate 56 to generate reciprocating vibration, the push plate 56 and the tray 101 can be basically parallel. The reciprocating vibration of the push plate 56 on the tray 101 can effectively shake off the other trays 101.

[0044] In some embodiments, the push plate 56 has a second through hole 562.

[0045] In this embodiment, by providing a second through hole 562, the weight of the push plate 56 can be reduced, thereby increasing the amplitude of the push plate 56 and improving the shaking effect on the tray 101.

[0046] In some specific embodiments, the second through hole 562 can be a circular hole. When the second through hole 562 is a circular hole, it is easier to process.

[0047] In some embodiments, the mounting base 54 includes a first mounting plate 542, a second mounting plate 544, and two reinforcing plates 546. The first mounting plate 542 is disposed on the gripping assembly 30. One end of the second mounting plate 544 and one end of the two reinforcing plates 546 are disposed on the first mounting plate 542, and the two reinforcing plates 546 and the second mounting plate 544 form a preset angle. The two reinforcing plates 546 are located on opposite sides of the second mounting plate 544. The fixed end of the first telescopic drive element 52 is located on the second mounting plate 544.

[0048] In this embodiment, the first mounting plate 542 is used to mount the second mounting plate 544 and the reinforcing plate 546. The second mounting plate 544 is used to mount the first telescopic drive element 52. The two reinforcing plates 546 have a reinforcing effect, making the overall connection strength of the mounting base 54 higher.

[0049] In some specific embodiments, the first mounting plate 542 is bolted to the gripping assembly 30, and the second mounting plate 544 and the two reinforcing plates 546 can be integrally formed. The second mounting plate 544 is bolted to the first mounting plate 542, the first mounting plate 542 is parallel to the top surface of the support plate 24, and the second mounting plate 544 and the reinforcing plates 546 are perpendicular to the first mounting plate 542. The preset included angle can be 90°, that is, the second mounting plate 544 and the two reinforcing plates 546 are perpendicular.

[0050] In some embodiments, the gripping component 30 includes a lateral movement mechanism 32, a needle 34, and two second telescopic drive elements 36; The lateral moving mechanism 32 is mounted on the main frame 10, the two second telescopic drive elements 36 and the shaking disk assembly 50 are mounted on the lateral moving mechanism 32, and the lifting assembly 20 and the conveying assembly 40 are located below the two second telescopic drive elements 36 and the shaking disk assembly 50. The telescopic end of the second telescopic drive element 36 is located below the fixed end of the second telescopic drive element 36; The two second telescopic drive elements 36 are inclined relative to the horizontal plane, the fixed ends of the two second telescopic drive elements 36 are close to each other, the telescopic ends of the two second telescopic drive elements 36 are far apart from each other, and the telescopic ends of the two second telescopic drive elements 36 are respectively provided with needles 34.

[0051] In this embodiment, the lateral movement mechanism 32 drives the second telescopic drive element 36 and the shaking tray assembly 50 to move back and forth in the horizontal direction. When the lateral movement mechanism 32 moves the second telescopic drive element 36 and the shaking tray assembly 50 to above the holding station 242, and the lifting mechanism 22 drives the support plate 24 to rise, so that the topmost tray 101 on the holding station 242 reaches the first preset height position, the telescopic ends of the two second telescopic drive elements 36 respectively drive the corresponding needles 34 to pierce into the topmost tray 101 of the holding station 242. The first telescopic drive element 52 in the shaking tray assembly 50 drives the push plate 56 to reciprocate and vibrate the tray 101. If the tray 101 is stuck to other trays 101, the reciprocating vibration of the shaking tray assembly 50 can shake the other trays 101 off to the holding station 242. If the tray 101 is not stuck to other trays 101, the shaking tray assembly 50 does not affect the needles 34 from grabbing the tray 101 and subsequent operations, regardless of whether it is working or not. In this embodiment, because the needles 34 at the telescopic ends of the two second telescopic drive elements 36 can form a strong connecting force on the tray 101, the tray 101 can be prevented from falling off during transfer to the conveying assembly 40. Furthermore, because the needles 34 at the telescopic ends of the two second telescopic drive elements 36 are obliquely inserted into the tray 101, when the telescopic ends of the two second telescopic drive elements 36 retract the needles 34, the component force of the connecting force of each needle 34 on the tray 101 changes significantly, making it easier for the needles 34 to withdraw from the tray 101. Figure 1 The direction indicated by the double-headed arrow B is the direction of movement of the lateral moving mechanism 32.

[0052] In one specific embodiment, each of the two second telescopic drive elements 36 can be provided with multiple needles 34 at its telescopic end. These needles 34 at the telescopic end of the same second telescopic drive element 36 are parallel to each other, facilitating smooth insertion into the tray 101. The lateral movement mechanism 32 includes two racks 322, two gears 324, a third mounting plate 326, and a second motor 328. The two racks 322 are mounted on the main frame 10 and are parallel to each other. The two gears 324 are rotatably mounted on the third mounting plate 326, meshing with their corresponding racks 322. The second motor 328 is mounted on the top surface of the third mounting plate 326 and is connected to the two gears 324 to drive their rotation. The fixed ends of the first mounting plate 542 and the second telescopic drive element 36 are mounted on the bottom surface of the third mounting plate 326. The lifting assembly 20 and the conveying assembly 40 are located below the third mounting plate 326. After the second motor 328 drives the gear 324 to rotate, the gear 324 can move along the length of the rack 322, thereby driving the third mounting plate 326 to move. Through the cooperation of the gear 324 and the rack 322, and the second motor 328 driving the gear 324 to rotate, the third mounting plate 326 can move above the conveying assembly 40 or above the lifting assembly 20. Specifically, after the lifting assembly 20 lifts the tray 101 to the first preset height position, the third mounting plate 326 moves above the lifting assembly 20, and the telescopic end of the second telescopic drive element 36 extends downward, so that the needle 34 punctures the top tray 101, and the shaking assembly 50 can generate reciprocating vibration on the tray 101. Then, the lifting assembly 20 drives the remaining trays 101 to move down to the second preset height position. Simultaneously, the third mounting plate 326 moves above the conveying assembly 40, and the telescopic end of the second telescopic drive element 36 retracts. Because the needle 34 penetrates the tray 101 only shallowly, and due to the weight of the tray 101 itself, the needle 34 can exit from the tray 101, causing the tray 101 to fall onto the conveying assembly 40. The above steps are repeated until all trays 101 on the lifting assembly 20 are conveyed onto the conveying assembly 40. The conveying assembly 40 can be the aforementioned belt conveyor mechanism or other transmission mechanisms, which will not be described in detail here. The tray 101 is made of rigid paper.

[0053] In some embodiments, the tray separation device 100 further includes a controller (not shown), a first sensing component 60, and a second sensing component (not shown). The lifting component 20 is used to lift the pallet 101 to a first preset height position or a second preset height position, where the first preset height position is higher than the second preset height position. The gripping component 30 is used to transfer the pallet 101 located at the first preset height position to the conveying component 40. The first sensing component 60 and the second sensing component are disposed on the main frame 10. The first sensing component 60 is used to sense the first preset height position of the tray 101, and the second sensing component is used to sense the second preset height position of the tray 101. The controller is communicatively connected to the first sensing component 60, the second sensing component, the lifting component 20, the grasping component 30, and the shaking component 50.

[0054] In this embodiment, under the unified control of the controller, when the lifting component 20 lifts the multiple stacked pallets 101 and the top pallet 101 reaches a first preset height position, the first sensing component 60 is triggered. After the gripping component 30 grips the top pallet 101, the shaking component 50 can generate reciprocating vibration on the gripped pallet 101. The lifting component 20 moves the remaining pallets 101 down to a second preset height position. When the pallet 101 moves down to the second preset height position, the second sensing component is triggered. At the same time, the gripping component 30 transfers the just-grabbed pallet 101 to the conveying component 40, and the conveying component 40 transports the pallet 101 to the downstream workstation. Then, the lifting component 20 moves up again and repeats the above steps until the gripping component 30 transfers all the pallets 101 on the lifting component 20 to the conveying component 40. In this embodiment, under the unified control of the controller, the pallet separation device 100 of this embodiment has a high degree of automation and can realize assembly line operation.

[0055] In one specific embodiment, the controller can be a PLC controller. The first sensing component 60 includes a first photoelectric switch for detecting a first preset height position of the tray 101 on the lifting component 20. The second sensing component includes a second photoelectric switch for detecting a second preset height position of the tray 101 on the lifting component 20. The first sensing component 60 and the second sensing component are respectively mounted on the main frame 10. The controller and the first sensing component 60, the second sensing component, the lifting component 20, the tray shaking component 50, and the gripping component 30 can be connected electrically, via wired communication, or via wireless communication to achieve unified and coordinated control.

[0056] On the other hand, embodiments of this utility model also provide a fruit and vegetable sorting machine, including the tray separation device 100 of any of the above embodiments. The fruit and vegetable sorting machine of this embodiment also has the above advantages, which will not be repeated here. Preferably, in some embodiments, the fruit and vegetable sorting machine further includes a feeding device, a detection device, and a sorting device.

[0057] The feeding device transports the fruits and vegetables to the testing device. The testing device photographs and tests the fruits and vegetables, and the tested fruits and vegetables are then transported to the sorting device. The sorting device sorts the fruits and vegetables according to the test results, inputting fruits and vegetables of different qualities into different sorting channels to complete the sorting of the fruits and vegetables.

[0058] The pallet separating device 100 is used to transport the pallet 101 to the packing station of the sorting device, where fruits and vegetables can be placed on the pallet 101.

[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it; under the concept of this utility model, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of this utility model as described above. For the sake of brevity, they are not provided in detail; although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A tray separation device, characterized in that, Includes mainframe, lifting assembly, gripping assembly, conveying assembly, and jigging assembly; The lifting component, the gripping component, and the conveying component are mounted on the main frame; The lifting component and the conveying component are located below the gripping component and the shaking component. The lifting component is used to hold and lift the pallet. The gripping component is used to transfer the pallet located on the lifting component to the conveying component. The shaking component is located on the gripping component. When the gripping component grips the pallet on the lifting component, the shaking component is used to generate reciprocating vibration on the pallet.

2. The tray separation device according to claim 1, characterized in that, The lifting assembly includes a lifting mechanism and a support plate. The lifting mechanism and the support plate are connected by a transmission to drive the support plate to rise and fall. The top surface of the support plate is provided with a holding station for holding the tray.

3. The tray separation device according to claim 2, characterized in that, The number of lifting components is two, and each lifting component also includes at least two guide posts. The support plate has a first through hole. The number of first through holes is equal to the number of guide posts and they correspond one-to-one. Each first through hole is arranged around the holding station. Each guide post is vertically arranged on the main frame and passes through the corresponding first through hole. The top of the guide post forms a sharp guide part. The holding stations on the two lifting components are symmetrically arranged.

4. The tray separation device according to claim 2, characterized in that, The shaking assembly includes a first telescopic drive element, a mounting base, and a push plate. The mounting base is disposed on the gripping assembly. The fixed end of the first telescopic drive element is disposed on the mounting base. The push plate is disposed on the telescopic end of the first telescopic drive element. The holding station is located below the push plate. Driven by the first telescopic drive element, the push plate can reciprocate in the direction of approaching or moving away from the holding station.

5. The tray separation device according to claim 4, characterized in that, The top surfaces of the push plate and the support plate are parallel.

6. The tray separation device according to claim 4, characterized in that, The push plate has a second through hole.

7. The tray separation device according to claim 4, characterized in that, The mounting base includes a first mounting plate, a second mounting plate, and two reinforcing plates. The first mounting plate is disposed on the gripping assembly. One end of the second mounting plate and one end of the two reinforcing plates are disposed on the first mounting plate, and the two reinforcing plates and the second mounting plate form a preset angle. The two reinforcing plates are located on opposite sides of the second mounting plate. The fixed end of the first telescopic drive element is located on the second mounting plate.

8. The tray separation device according to claim 1, characterized in that, The gripping assembly includes a lateral movement mechanism, a needle, and two second telescopic drive elements; The lateral movement mechanism is mounted on the main frame, the two second telescopic drive elements and the shaking disk assembly are mounted on the lateral movement mechanism, and the lifting assembly and the conveying assembly are located below the two second telescopic drive elements and the shaking disk assembly. The telescopic end of the second telescopic drive element is located below the fixed end of the second telescopic drive element; The two second telescopic drive elements are inclined relative to the horizontal plane, the fixed ends of the two second telescopic drive elements are close to each other, the telescopic ends of the two second telescopic drive elements are far apart from each other, and the telescopic ends of the two second telescopic drive elements are respectively provided with the needles.

9. The tray separation device according to claim 1, characterized in that, It also includes a controller, a first sensing component, and a second sensing component; The lifting component is used to raise or lower the pallet to a first preset height position or a second preset height position, wherein the first preset height position is higher than the second preset height position, and the gripping component is used to transfer the pallet located at the first preset height position to the conveying component; The first sensing component and the second sensing component are disposed on the main frame. The first sensing component is used to sense the first preset height position of the tray, and the second sensing component is used to sense the second preset height position of the tray. The controller is communicatively connected to the first sensing component, the second sensing component, the lifting component, the grasping component, and the shaking disk component.

10. A fruit and vegetable sorting machine, characterized in that, Includes the tray separation device according to any one of claims 1-9.

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