Floating navel orange screening machine

Abstract

The present application relates to fruit screening technical field, especially to a floating navel orange screening machine, which can realize cleaning in the process of automatic floating of navel orange. The floating navel orange screening machine comprises a water storage tank, a water outlet is formed in the lower front side of the water storage tank, characterized in that it further comprises a sinking frame, a discharging frame, a lifting mechanism, a separation and cleaning mechanism and a blocking mechanism, the upper part of the water storage tank is connected with the discharging frame on both sides, the sinking frame is placed in the water storage tank, the blocking mechanism is arranged at the lower part of the sinking frame, the lifting mechanism is arranged in the water storage tank and connected with the sinking frame, and the separation and cleaning mechanism is arranged on the lifting mechanism. The navel orange is moved upward by the lifting plate, so that the classification plate can swing to sort the navel orange, and the navel orange moves with the swing of the classification plate, so that the navel orange can be cleaned. Thus, the automatic cleaning can be realized while floating, and the floating effect is good.

Description

Technical Field

[0001] This invention relates to the field of fruit screening technology, and in particular to a floating navel orange screening machine. Background Technology

[0002] Navel oranges on the market are graded according to their size for easier sales. Therefore, navel oranges need to be sorted after harvesting.

[0003] Patent publication number CN205413330U discloses a floating navel orange sorting machine. It includes a base with a mesh sorting mechanism on it. The mesh sorting mechanism includes a funnel-shaped inlet and a conveyor belt mounted on the base. The inlet end of the conveyor belt is connected to the bottom end of the inlet, and the conveyor belt has a mesh structure with filter holes. It also includes a floating sorting mechanism, which includes a floating tank filled with brine and a crossbeam directly above the floating tank. A pull rope is mounted on the crossbeam, and a collecting net is located at the bottom of the pull rope, below the brine surface. The outlet end of the conveyor belt has a conveying trough connecting the conveyor belt to the floating tank. This patent sorts navel oranges by flotation using brine. However, since the oranges themselves float on the water surface, adding salt would cause all the oranges to float, thus failing to achieve the desired flotation effect.

[0004] In summary, it is necessary to develop a floating navel orange screening machine that can perform cleaning during the automatic flotation process of navel oranges. Summary of the Invention

[0005] In order to overcome the shortcomings of the existing technology, which uses brine to sort navel oranges, and thus cannot achieve the desired sorting effect, this invention provides a floating navel orange screening machine that can automatically clean navel oranges during the flotation process.

[0006] To achieve the above objectives, the present invention provides the following solution: a floating navel orange sorting machine, comprising a water storage tank with a drain outlet on the lower front side, a sinking frame, a discharge frame, a lifting mechanism, a separation and cleaning mechanism, and a blocking mechanism. The upper front and rear sides of the water storage tank are connected to discharge frames, which are arranged with a lower front and higher rear. The front discharge frame is used to discharge large-sized navel oranges, and the rear discharge frame is used to discharge small-sized navel oranges. The bottom of each discharge frame is sloped. A sinking frame is placed inside the water storage tank, and a blocking mechanism is provided at the bottom of the sinking frame to block the feed inlet. A lifting mechanism for sorting navel oranges is provided inside the water storage tank, connected to the sinking frame. A separation and cleaning mechanism for sorting and cleaning the navel oranges is provided on the lifting mechanism.

[0007] More preferably, the lifting mechanism includes a lifting plate, a lifting frame, electric push rods, gears, a sorting plate, L-shaped support blocks, levers, locking frames, and positioning blocks. The lifting plate for supporting the navel oranges is placed inside the sinking frame. Electric push rods are connected to the bottom left and right sides of the water storage tank. Lifting frames are connected to the top left and right sides of the lifting plate. The upper part of each lifting frame is connected to the top of the telescopic rod of a nearby electric push rod. Locking frames are slidably connected to the outer side of the upper part of the lifting frame. Locking holes are opened on the upper left and right sides of the sinking frame. A sorting plate for sorting the navel oranges is rotatably connected to the upper part of the lifting plate. L-shaped support blocks are connected to the top left and right sides of the lifting plate. The sorting plate contacts the L-shaped support blocks. Gears are connected to the left and right sides of the sorting plate. Levers are evenly distributed on the left and right sides of the inner wall of the sinking frame. A positioning block is connected to the lower rear side of the inner wall of the sinking frame.

[0008] More preferably, the separation and cleaning mechanism includes a first spring, a baffle plate, an arc-shaped push plate, a rotating plate, a torsion spring, a push rod, and a limiting block. Limiting blocks for pushing the arc-shaped push plate to move in opposite directions are connected to the upper left and right sides of the inner wall of the sinking frame. The bottom of each limiting block is inclined. Arc-shaped push plates for driving the baffle plate upwards are slidably connected to the left and right sides of the sorting plate. The inner side of the arc-shaped push plate is inclined. A baffle plate for blocking the navel oranges is slidably connected to the sorting plate. A first spring is fitted on the sorting plate, with its two ends connected to the bottom of the baffle plate and the sorting plate, respectively. Push rods are evenly connected to the rear side of the bottom of the baffle plate. Rotating plates for closing the sorting plate are evenly rotatably connected to the sorting plate. A torsion spring is fitted on each rotating plate, with its two ends connected to the sorting plate and the rotating plate, respectively.

[0009] More preferably, the blocking mechanism includes a baffle plate, a U-shaped rod and a fourth spring. A feed inlet is opened at the lower rear of the sinking frame. A baffle plate for blocking the feed inlet on the sinking frame is slidably connected to the lower rear of the sinking frame. A fourth spring is connected between the baffle plate and the sinking frame. A U-shaped rod is connected to the upper rear side of the baffle plate.

[0010] More preferably, it also includes a lifting mechanism for automatically unloading large-sized navel oranges. The lifting mechanism includes a lifting frame, a second spring, a wedge-shaped push block, a third spring, and a limiting plate. The lifting frame for automatically unloading large-sized navel oranges is slidably connected to the lower part of the lifting plate. Limiting plates are connected to the lower left and right sides of the lower part of the lower frame. The upper part of the limiting plates is inclined. Wedge-shaped push blocks for limiting the lifting frame are slidably connected to the lower left and right sides of the rear part of the lifting plate. The second spring is sleeved on the lower part of the lifting plate. The two ends of the second spring are connected to the lifting plate and the lifting frame, respectively. A third spring is sleeved on each wedge-shaped push block. The two ends of the third spring are connected to the wedge-shaped push block and the lifting plate, respectively.

[0011] More preferably, the top of the lifting frame is sloped.

[0012] More preferably, it also includes a tilting mechanism for guiding the navel oranges. The tilting mechanism includes a tilting plate, a U-shaped push rod and a fifth spring. The U-shaped push rod is slidably connected to the lower part of the discharge frame on the rear side. The tilting plate for guiding the navel oranges is rotatably connected inside the discharge frame on the rear side. The U-shaped push rod is fitted with a fifth spring on both the left and right sides. The two ends of the fifth spring are connected to the bottom of the discharge frame and the lower part of the U-shaped push rod, respectively.

[0013] More preferably, it also includes a leak-proof mechanism to prevent navel oranges from falling out. The leak-proof mechanism includes a pressure block, an L-shaped leak-proof plate, a sixth spring, and guide rods. The pressure block is connected to the upper front part of the sinking frame, and the guide rods are connected to the lower part of the front discharge frame. The L-shaped leak-proof plates for preventing navel oranges from falling out are slidably connected between the guide rods. The sixth spring is fitted on each guide rod, and the two ends of the sixth spring are respectively connected to the L-shaped leak-proof plate and the bottom of the front discharge frame.

[0014] This invention has the following advantages: The lifting plate moves the navel oranges upwards, allowing the sorting plate to swing back and forth for sorting. The oranges move with the swaying plate, thus cleaning them. This achieves automatic cleaning while simultaneously performing flotation, resulting in a better flotation effect. Under the reset action of the second spring, the lifting frame moves upwards, guiding larger oranges and enabling automatic unloading. This eliminates the need for manual unloading of large oranges, reducing operational hassle and increasing unloading efficiency. The U-shaped push rod moves upwards, rotating the tilting plate to an inclined position, guiding the oranges and preventing them from rolling out of the discharge frame during feeding, thus improving feeding efficiency. The L-shaped anti-leakage plate moves upwards to block the front discharge frame, preventing oranges from falling out and affecting feeding. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This is a three-dimensional structural diagram of the present invention with the water storage tank removed.

[0017] Figure 3 This is a first-view three-dimensional structural diagram of the lifting mechanism of the present invention.

[0018] Figure 4 This is a second-view three-dimensional structural diagram of the lifting mechanism of the present invention.

[0019] Figure 5 This is a first-view three-dimensional structural diagram of the separation and cleaning mechanism of the present invention.

[0020] Figure 6 This is a second-view three-dimensional structural diagram of the separation and cleaning mechanism of the present invention.

[0021] Figure 7 This is a three-dimensional structural diagram of the arc-shaped push plate of the present invention.

[0022] Figure 8 This is a partial three-dimensional structural diagram of the separation and cleaning mechanism of the present invention.

[0023] Figure 9 This is a first-view three-dimensional structural diagram of the lifting mechanism of the present invention.

[0024] Figure 10 This is a second-view three-dimensional structural diagram of the lifting mechanism of the present invention.

[0025] Figure 11 This is a three-dimensional structural diagram of the lifting frame of the present invention.

[0026] Figure 12 This is a three-dimensional structural diagram of the blocking mechanism of the present invention.

[0027] Figure 13 This is a three-dimensional structural diagram of the tilting mechanism of the present invention.

[0028] Figure 14 This is a three-dimensional structural diagram of the leak-proof mechanism of the present invention.

[0029] The components in the attached diagram are labeled as follows: 1. Water tank; 2. Sinking frame; 3. Discharge frame; 4. Lifting mechanism; 41. Lifting plate; 42. Lifting frame; 43. Electric push rod; 44. Gear; 45. Sorting plate; 46. L-shaped support block; 47. Pulley block; 48. Positioning frame; 49. Positioning block; 5. Separation and cleaning mechanism; 51. First spring; 52. Baffle plate; 53. Arc-shaped push plate; 54. Rotating plate; 55. Torsion spring. 56. Push rod, 57. Limiting block, 6. Lifting mechanism, 61. Lifting frame, 62. Second spring, 63. Wedge-shaped push block, 64. Third spring, 65. Limiting plate, 7. Blocking mechanism, 71. Baffle plate, 72. U-shaped rod, 73. Fourth spring, 8. Tilting mechanism, 81. Tilting plate, 82. U-shaped push rod, 83. Fifth spring, 9. Leakage prevention mechanism, 91. Pressure block, 92. L-shaped leak prevention plate, 93. Sixth spring. Detailed Implementation

[0030] The present invention will now be further described with reference to the accompanying drawings and specific embodiments:

[0031] Example 1

[0032] A floating navel orange sorting machine, please refer to Figures 1-8 and Figure 12The system includes a water storage tank 1, a sinking frame 2, a discharge frame 3, a lifting mechanism 4, a separation and cleaning mechanism 5, and a blocking mechanism 7. The sinking frame 2 is placed inside the water storage tank 1. Discharge frames 3 are fixed to both the front and rear sides of the upper part of the water storage tank 1. The two discharge frames 3 are arranged with the front lower than the rear; the front discharge frame 3 is used to discharge large-sized navel oranges, and the rear discharge frame 3 is used to discharge small-sized navel oranges. The bottom of both discharge frames 3 is sloped. The lifting mechanism 4 is located inside the water storage tank 1 and is used to sort the navel oranges. The lifting mechanism 4 is connected to the sinking frame 2. The separation and cleaning mechanism 5 is located on the lifting mechanism 4 and is used to sort and clean the navel oranges. The blocking mechanism 7 is located at the bottom of the sinking frame 2 and is used to block the feed inlet on the sinking frame 2. The lifting mechanism 4… The system includes a lifting plate 41, a lifting frame 42, an electric push rod 43, a gear 44, a sorting plate 45, an L-shaped support block 46, a lever 47, a locking frame 48, and a positioning block 49. Electric push rods 43 are bolted to the bottom left and right sides of the water tank 1. The lifting plate 41 is placed inside the sinking frame 2 to support the navel oranges. Lifting frames 42 are fixed to the top left and right sides of the lifting plate 41. The upper parts of the two lifting frames 42 are fixed to the top of the telescopic rods of the adjacent electric push rods 43. Locking frames 48 are slidably connected to the outer upper parts of the two lifting frames 42. Two locking holes are opened on the upper left and right sides of the sinking frame 2. Two L-shaped support blocks 46 are fixed to the top left and right sides of the lifting plate 41. A sorting plate 45 is rotatably connected to the upper part of the lifting plate 41. The sorting plate 45 is used to sort navel oranges. The sorting plate 45 is in contact with the L-shaped support block 46. Gears 44 are connected to both sides of the sorting plate 45 by keys. A positioning block 49 is fixed to the lower rear side of the inner wall of the sinking frame 2. The separation and cleaning mechanism 5 includes a first spring 51, a blocking plate 52, an arc-shaped push plate 53, a rotating plate 54, a torsion spring 55, a push rod 56, and a limiting block 57. The blocking plate 52 is slidably connected to the sorting plate 45 and is used to block the navel oranges. Four first springs 51 are sleeved on the sorting plate 45. The two ends of the first springs 51 are connected to the bottom of the blocking plate 52 and the sorting plate 45, respectively. Arc-shaped push plates 53 are slidably connected to both sides of the sorting plate 45 and are used to drive the blocking plate 52 to move upward. The inner side of the arc-shaped push plate 53 is inclined. Push rods 56 are uniformly fixed to the rear bottom of the blocking plate 52. Rotating plates 54 are uniformly rotatably connected to the sorting plate 45. The rotating plates 54 are used to close the sorting plate 45. Each rotating plate 54 is fitted with two torsion springs 55. The two ends of the torsion springs 55 are connected to the sorting plate 45 and the rotating plate 54 respectively. Limiting blocks 57 are fixed to the upper left and right sides of the inner wall of the sinking frame 2. The limiting blocks 57 are used to push the arc-shaped push plate 53 to move towards each other. The bottom of the two limiting blocks 57 is inclined. The blocking mechanism 7 includes a baffle plate 71, a U-shaped rod 72 and a fourth spring 73. A feed port is opened at the lower rear of the sinking frame 2. A baffle plate 71 is slidably connected to the lower rear of the sinking frame 2. The baffle plate 71 is used to block the feed port on the sinking frame 2.A U-shaped rod 72 is fixedly connected to the upper rear side of the baffle plate 71, and two fourth springs 73 connect the baffle plate 71 and the sinking frame 2.

[0033] In use, the drain outlet on the water storage tank 1 is blocked. The operator moves the locking bracket 48 inward and inserts it into the locking hole on the sinking frame 2. Water is then poured into the water storage tank 1. The electric push rod 43 is activated. The extension rod of the electric push rod 43 extends, causing the lifting frame 42, lifting plate 41, gear 44, sorting plate 45, L-shaped support block 46, lever block 47, locking bracket 48, positioning block 49, and sinking frame 2 to move upward. This, in turn, causes the baffle plate 71 and U-shaped rod 72 to move upward. When the U-shaped rod 72 moves upward and contacts the discharge frame 3 on the rear side, the U-shaped rod 72 and baffle plate 71 stop moving. The fourth spring 73 is stretched, causing the baffle plate 71 to no longer block the feed inlet on the sinking frame 2. Then, the electric push rod 43 is stopped, and the operator pours the navel oranges through the drain. The discharge frame 3 on the rear side is placed on the lifting plate 41 to feed the navel oranges. After feeding is completed, the telescopic rod of the electric push rod 43 is retracted, which drives the lifting frame 42, lifting plate 41, gear 44, sorting plate 45, L-shaped support block 46, lever block 47, clamping frame 48, positioning block 49 and sinking frame 2 to move downwards and reset. This, in turn, drives the baffle plate 71 and U-shaped rod 72 to move downwards and reset, so that the navel oranges are immersed in water. The fourth spring 73 resets, driving the baffle plate 71 and U-shaped rod 72 to move upwards and reset, so that the baffle plate 71 closes the feed port on the sinking frame 2 again. In this way, the navel oranges are prevented from leaving the sinking frame 2 and entering the water storage tank 1, which would affect the sorting and unloading of the navel oranges. Since the navel oranges will float on the water surface, smaller navel oranges will pass through. The sorting plate 45 contacts the blocking plate 52, thus sorting the navel oranges. Then, the locking frame 48 is pulled outwards to separate from the locking holes on the sinking frame 2. The electric push rod 43 is then activated again. The extension rod of the electric push rod 43 moves the lifting frame 42 upwards, which in turn moves the lifting plate 41, sorting plate 45, gear 44, and L-shaped support block 46 upwards. This, in turn, moves the arc-shaped push plate 53 and rotating plate 54 upwards. When the gear 44 moves upwards and contacts the lever 47, it rotates, causing the sorting plate 45 and blocking plate 52 to rotate. This process is repeated, causing the sorting plate 45 and blocking plate 52 to tilt and swing back and forth. Because the navel oranges float, they will be in contact with the sorting plate 45 and blocking plate 52. The oranges are tightly packed together, allowing them to move along the inclined surfaces of the sorting plate 45 and the baffle plate 52. This enables automatic rolling and cleaning, and allows smaller oranges to be easily sorted onto the upper part of the sorting plate 45, improving the sorting effect. Initially, the push rod 56 abuts against the rotating plate 54, and the torsion spring 55 is in a deformed state, facilitating automatic sorting of the oranges as they move upwards. When the arc-shaped push plate 53 moves upwards and contacts the limiting block 57, the limiting block 57, with its inclined bottom, can squeeze the arc-shaped push plate 53 inwards, thereby pushing the baffle plate 52 upwards. This causes the push rod 56 to move upwards and separate from the rotating plate 54, stretching the first spring 51 and resetting the torsion spring 55.The rotating plate 54 rotates upwards to close the sorting plate 45. This prevents small navel oranges from falling back onto the sorting plate 45 after leaving the water and mixing with larger oranges, thus affecting the sorting process. When the sorting plate 45 reaches its highest point, it is tilted backwards. Since the two discharge frames 3 are positioned with the front lower than the back, the rear discharge frame 3 is used to discharge small navel oranges, while the front discharge frame 3 is used to discharge large navel oranges. Because the sorting plate 45 is tilted, small navel oranges can roll along the plate into the discharge frame 3 for removal. Then, workers use tools to sort the large navel oranges. Once the material is unloaded, the telescopic rod of the electric push rod 43 retracts and resets, causing the lifting frame 42, lifting plate 41, sorting plate 45, gear 44, and L-shaped support block 46 to move downwards and reset. This, in turn, causes the arc-shaped push plate 53 and rotating plate 54 to move downwards and reset. When the arc-shaped push plate 53 moves downwards and separates from the limit block 57, the first spring 51 resets, causing the blocking plate 52 to move downwards and reset. This, in turn, causes the push rod 56 to move downwards, pushing the rotating plate 54 to rotate and open. The torsion spring 55 deforms, facilitating future use. Then, the electric push rod 43 is closed. Finally, the drain port on the water storage tank 1 is opened to drain the water from the tank.

[0034] Example 2

[0035] Based on Example 1, please refer to Figure 2 , Figure 9 , Figure 10 and Figure 11It also includes a lifting mechanism 6, which is used for automatically unloading large-sized navel oranges. The lifting mechanism 6 includes a lifting frame 61, a second spring 62, a wedge-shaped push block 63, a third spring 64, and a limiting plate 65. The lower left and right sides of the lower part of the sinking frame 2 are fixed with limiting plates 65. The upper parts of the two limiting plates 65 are inclined. The lifting frame 61 is slidably connected to the lower part of the lifting plate 41. The lifting frame 61 is used for automatically unloading large-sized navel oranges. The top of the lifting frame 61 is inclined. The left and right sides of the rear part of the lifting plate 41 are slidably connected with wedge-shaped push blocks 63. The wedge-shaped push blocks 63 are used to limit the lifting frame 61. Four second springs 62 are sleeved on the lower part of the lifting plate 41. The two ends of the second springs 62 are connected to the lifting plate 41 and the lifting frame 61 respectively. Two third springs 64 are sleeved on each wedge-shaped push block 63. The two ends of the third springs 64 are connected to the wedge-shaped push block 63 and the lifting plate 41 respectively. Initially, the wedge-shaped push block 63 contacts the limiting plate 65, the third spring 64 is in a stretched state, and the wedge-shaped push block 63 locks the lifting frame 61. The second spring 62 is in a stretched state. When the lifting plate 41 moves upward, it drives the lifting frame 61 and the wedge-shaped push block 63 to move upward. When the wedge-shaped push block 63 moves upward to the inclined part on the limiting plate 65, the third spring 64 resets, driving the wedge-shaped push block 63 to move outward, so that the wedge-shaped push block no longer locks the lifting frame 61. The second spring 62 resets, driving the lifting frame 61 to move upward. Since the top of the lifting frame 61 is inclined, the lifting frame 61 can guide large navel oranges, allowing the large... Large navel oranges can automatically roll along the inclined surface of the lifting frame 61 to the front discharge frame 3 for unloading. This eliminates the need for manual unloading of large navel oranges, reducing operational hassle and improving unloading efficiency. When the lifting plate 41 moves downward to reset, it drives the lifting frame 61 and the wedge-shaped push block 63 to move downward to reset. Under the limiting action of the limiting plate 65, the wedge-shaped push block 63 moves inward to reset, and the third spring 64 is stretched, causing the wedge-shaped push block 63 to move inward to squeeze the lifting frame 61 to move downward to reset. The second spring 62 is stretched, thus retracting the lifting frame 61 and preventing it from affecting the sorting of the next batch of navel oranges.

[0036] Please see Figure 1 , Figure 2 and Figure 13It also includes a tilting mechanism 8, which is used to guide the navel oranges. The tilting mechanism 8 includes a tilting plate 81, a U-shaped push rod 82 and a fifth spring 83. The tilting plate 81 is hinged inside the discharge frame 3 on the rear side. The tilting plate 81 is used to guide the navel oranges. The lower part of the discharge frame 3 on the rear side is slidably connected to the U-shaped push rod 82. The left and right sides of the U-shaped push rod 82 are fitted with fifth springs 83. The two ends of the fifth spring 83 are respectively connected to the bottom of the discharge frame 3 and the lower part of the U-shaped push rod 82. The elastic coefficient of the fourth spring 73 is greater than that of the fifth spring 83. When the U-shaped rod 72 moves upward and contacts the U-shaped push rod 82, because the elastic coefficient of the fourth spring 73 is greater than that of the fifth spring 83, the U-shaped rod 72 can drive the U-shaped push rod 82 to move upward and push the inclined plate 81 to rotate. The fifth spring 83 is compressed, causing the inclined plate 81 to tilt. Then the U-shaped rod 72 continues to move upward, and the fourth spring 73 will deform accordingly. In this way, the navel oranges can be guided so that they can enter the sinking frame 2, preventing the navel oranges from rolling out of the discharge frame 3 when the workers are feeding them, which would affect the feeding efficiency. When the U-shaped rod 72 moves downward and resets, the fourth spring 73 resets, and the U-shaped rod 72 resets accordingly. Then the fifth spring 83 resets, driving the U-shaped push rod 82 to move downward and reset. The inclined plate 81 automatically rotates downward and resets, which facilitates the subsequent unloading of the navel oranges.

[0037] Please see Figure 2 and Figure 14 It also includes a leak-proof mechanism 9, which is used to prevent navel oranges from falling out. The leak-proof mechanism 9 includes a pressure block 91, an L-shaped leak-proof plate 92 and a sixth spring 93. Two guide rods 94 are fixedly connected to the lower part of the front discharge frame 3. The L-shaped leak-proof plate 92 is slidably connected between the two guide rods 94. The L-shaped leak-proof plate 92 is used to prevent navel oranges from falling out. Two pressure blocks 91 are fixedly connected to the upper front part of the sinking frame 2. The sixth spring 93 is fitted on both guide rods 94. The two ends of the sixth spring 93 are respectively connected to the L-shaped leak-proof plate 92 and the bottom of the front discharge frame 3. Initially, the pressure block 91 presses down on the L-shaped leak-proof plate 92, and the sixth spring 93 is in a stretched state. When the sinking frame 2 moves upward, it drives the pressure block 91 to move upward until it no longer presses down on the L-shaped leak-proof plate 92. The sixth spring 93 resets, driving the L-shaped leak-proof plate 92 to move upward, so that the L-shaped leak-proof plate 92 blocks the front discharge frame 3. In this way, the navel oranges can be prevented from falling out from the front. When the sinking frame 2 moves downward to reset, it drives the pressure block 91 to move downward to reset, which in turn causes the pressure block 91 to drive the L-shaped leak-proof plate 92 to move downward and no longer block the front discharge frame 3. The sixth spring 93 is stretched, which facilitates the subsequent discharge of navel oranges.

[0038] Although the invention has been described with reference to exemplary embodiments, it should be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims should be given the broadest interpretation so as to cover all variations and equivalent structures and functions.

Claims

1. A floating navel orange sorting machine, comprising a water storage tank, wherein a drain outlet is provided on the lower front side of the water storage tank, characterized in that, It also includes a sinking frame, a discharge frame, a lifting mechanism, a separation and cleaning mechanism, and a blocking mechanism. The discharge frames are connected to the front and rear sides of the upper part of the water tank. The discharge frames are set with the front lower and the rear higher. The discharge frames on the front side are used to discharge large-sized navel oranges, and the discharge frames on the rear side are used to discharge small-sized navel oranges. The bottom of the discharge frames is inclined. The sinking frame is placed inside the water tank. The lower part of the sinking frame is equipped with a blocking mechanism to block the feed inlet on the sinking frame. The lifting mechanism is connected to the sinking frame. The lifting mechanism is equipped with a separation and cleaning mechanism for sorting and cleaning the navel oranges. The lifting mechanism includes a lifting plate, a lifting frame, electric push rods, gears, a sorting plate, L-shaped support blocks, levers, a locking frame, and a positioning block. The lifting plate for supporting the navel oranges is placed inside the sinking frame. Electric push rods are connected to the bottom left and right sides of the water storage tank. Lifting frames are connected to the top left and right sides of the lifting plate. The upper part of the lifting frame is connected to the top of the telescopic rod of the adjacent electric push rod. The upper outer side of the lifting frame is slidably connected to the locking frame. The upper left and right sides of the sinking frame have locking holes. The upper part of the lifting plate is rotatably connected to a sorting plate for sorting the navel oranges. L-shaped support blocks are connected to the top left and right sides of the lifting plate. The sorting plate contacts the L-shaped support blocks. Gears are connected to the left and right sides of the sorting plate. L-shaped support blocks are evenly distributed on the left and right sides of the inner wall of the sinking frame. A positioning block is connected to the lower rear side of the inner wall of the sinking frame. The separation and cleaning mechanism includes a first spring, a baffle plate, an arc-shaped push plate, a rotating plate, a torsion spring, a push rod, and a limiting block. Limiting blocks for pushing the arc-shaped push plate to move towards each other are connected to the upper left and right sides of the inner wall of the sinking frame. The bottom of the limiting blocks is inclined. Arc-shaped push plates for driving the baffle plate to move upward are slidably connected to the left and right sides of the sorting plate. The inner side of the arc-shaped push plate is inclined. A baffle plate for blocking the navel oranges is slidably connected to the sorting plate. A first spring is sleeved on the sorting plate. The two ends of the first spring are connected to the bottom of the baffle plate and the sorting plate, respectively. Push rods are evenly connected to the rear side of the bottom of the baffle plate. Rotating plates for closing the sorting plate are evenly rotatably connected to the sorting plate. A torsion spring is sleeved on each rotating plate. The two ends of the torsion spring are connected to the sorting plate and the rotating plate, respectively. When the gear moves upward and contacts the pusher, it rotates, which in turn drives the sorting plate and the blocking plate to rotate. This process is repeated, causing the sorting plate and the blocking plate to tilt and swing back and forth. Since the navel oranges will float, they will be in close contact with the sorting plate and the blocking plate, allowing them to move along the tilt of the sorting plate and the blocking plate. This achieves automatic rolling and cleaning, and also allows smaller navel oranges that are being pressed to be smoothly sorted to the upper part of the sorting plate, increasing the sorting effect. Initially, the push rod abuts against the rotating plate, and the torsion spring is in a deformed state. When the arc-shaped push plate moves upward to contact the limiting block, since the bottom of the limiting block is inclined, the limiting block can squeeze the arc-shaped push plate to move inward, thereby pushing the blocking plate to move upward, causing the push rod to move upward and separate from the rotating plate. The first spring is stretched, the torsion spring returns to its original state, and the rotating plate rotates upward to close the sorting plate. It also includes a lifting mechanism for automatically unloading large-sized navel oranges. The lifting mechanism includes a lifting frame, a second spring, a wedge-shaped push block, a third spring, and a limiting plate. The lifting frame for automatically unloading large-sized navel oranges is slidably connected to the lower part of the lifting plate. Limiting plates are connected to the lower left and right sides of the lower part of the lower frame. The upper part of the limiting plates is inclined. Wedge-shaped push blocks for limiting the lifting frame are slidably connected to the left and right sides of the rear part of the lifting plate. The lower part of the lifting plate is fitted with a second spring. The two ends of the second spring are connected to the lifting plate and the lifting frame, respectively. Each wedge-shaped push block is fitted with a third spring. The two ends of the third spring are connected to the wedge-shaped push block and the lifting plate, respectively. Initially, the wedge-shaped push block contacts the limiting plate, the third spring is in a stretched state, the wedge-shaped push block locks the lifting frame, and the second spring is in a stretched state. When the lifting plate moves upward, it drives the lifting frame and the wedge-shaped push block to move upward. When the wedge-shaped push block moves upward to the inclined part on the limiting plate, the third spring resets, driving the wedge-shaped push block to move outward, so that the wedge-shaped push block no longer locks the lifting frame. The second spring resets, driving the lifting frame to move upward. Since the top of the lifting frame is inclined, the lifting frame can guide large-sized navel oranges, so that large-sized navel oranges can automatically roll along the inclined surface of the lifting frame into the front discharge frame for unloading. The blocking mechanism includes a baffle plate, a U-shaped rod and a fourth spring. A feed inlet is opened at the lower rear of the sinking frame. A baffle plate for blocking the feed inlet on the sinking frame is slidably connected to the lower rear of the sinking frame. A fourth spring is connected between the baffle plate and the sinking frame. A U-shaped rod is connected to the upper rear side of the baffle plate.

2. A floating navel orange sorting machine according to claim 1, characterized in that, The top of the jacking frame is sloped.

3. A floating navel orange sorting machine according to claim 2, characterized in that, It also includes a tilting mechanism for guiding the navel oranges. The tilting mechanism includes a tilting plate, a U-shaped push rod and a fifth spring. The U-shaped push rod is slidably connected to the lower part of the discharge frame on the rear side. The tilting plate for guiding the navel oranges is rotatably connected inside the discharge frame on the rear side. The U-shaped push rod is fitted with a fifth spring on both the left and right sides. The two ends of the fifth spring are connected to the bottom of the discharge frame and the lower part of the U-shaped push rod, respectively.

4. A floating navel orange sorting machine according to claim 3, characterized in that, It also includes a leak-proof mechanism to prevent navel oranges from falling out. The leak-proof mechanism includes a pressure block, an L-shaped leak-proof plate, a sixth spring, and guide rods. The pressure block is connected to the upper front part of the sinking frame, and the guide rods are connected to the lower part of the front discharge frame. The L-shaped leak-proof plates for preventing navel oranges from falling out are slidably connected between the guide rods. The sixth spring is fitted on each guide rod, and the two ends of the sixth spring are connected to the L-shaped leak-proof plate and the bottom of the front discharge frame, respectively.

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