A fruit pitting device

Abstract

This invention discloses a fruit pitting device. It includes a fixed base plate and a fixed top plate. A positioning mechanism is provided on the fixed base plate. The fixed top plate is positioned above the fixed base plate and has a lifting plate. The lifting plate and the fixed top plate are vertically connected. A cutter and a drill rod are mounted on the lifting plate, both positioned directly above the positioning mechanism. The cutter and the lifting plate are vertically connected. The cutter has a clearance through-hole matching the drill rod, which is placed inside the clearance through-hole. The drill rod is rotatably connected to the fixed top plate. The drill rod has a drill rod cavity inside, and a needle-embedding drive mechanism is installed within the drill rod cavity. The needle-embedding drive mechanism has several needles, and the bottom of the drill rod has needle-embedding through-holes matching the needles. The beneficial effects of this invention are: it automatically pits fruit while ensuring the integrity of the fruit flesh, avoiding waste, improving appearance, and increasing commercial value.

Description

Technical Field

[0001] This invention relates to the field of fruit processing technology, and in particular to a fruit pitting device. Background Technology

[0002] Fruits are juicy, edible plant fruits with a predominantly sweet and sour taste. Fruits are not only rich in nutrients but also promote digestion. Removing the pit from a fruit, also known as fruit pitting, involves using tools to remove the pit from the fruit, leaving only the flesh.

[0003] Chinese Patent Publication No. CN207201969U, published on April 10, 2018, discloses a fruit pitting device, including a base. Supports are fixedly installed at both ends of the upper surface of the base, and the tops of the two supports are fixedly connected by a connecting plate. A brushless rotary motor is fixedly installed in the middle of the upper surface of the connecting plate, and a connecting rod is fixedly installed in the middle of the lower surface of the connecting plate. The bottom of the output end of the brushless rotary motor passes through the connecting plate and is fixedly connected to the connecting rod. A hollow tube is fixedly connected to the bottom end of the connecting rod. Grooves are formed on the inner sides of both supports, and connecting beams are fixedly connected to the outer sides of the hollow tubes. A limiting block located inside the groove is fixedly installed at the end of the connecting beam near the groove. A threaded push rod is provided inside the hollow tube. A waste box is fixedly installed in the middle of the upper surface of the base. Fixed rods are fixedly installed at both ends of the upper surface of the waste box. Telescopic rods are fixedly connected to the tops of the two fixed rods. Springs are sleeved on the outer sides of the telescopic rods. Clamping clips are fixedly installed at the ends of the two telescopic rods away from the fixed rods. Two clamping seats located on the upper surface of the waste box are fixedly installed below the hollow tube. The method of removing the fruit pit involves inserting the hollow tube into the fruit and then pushing the pit out of the hollow tube's inner cavity using a threaded push rod. The drawback of this patent is that removing the fruit pulp in this way carries away a large amount of pulp, not only wasting the pulp but also creating a central hole in the fruit, damaging its integrity and reducing its commercial value.

[0004] In summary, there is a need for a fruit pitting device that can automatically remove the pits from fruits while ensuring the integrity of the fruit flesh. Summary of the Invention

[0005] The present invention aims to overcome the shortcomings of existing technologies that remove fruit pulp by carrying away a large amount of pulp, which not only wastes the pulp but also creates a central hole in the fruit, damaging its integrity. The invention provides a fruit pitting device that can automatically remove the pit from the fruit while ensuring the integrity of the pulp.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A fruit pitting device includes a fixed base plate and a fixed top plate. The fixed base plate is provided with a positioning mechanism. The fixed top plate is positioned above the fixed base plate and has a lifting plate. The lifting plate and the fixed top plate are vertically connected. A cutter and a drill rod are mounted on the lifting plate. The cutter and the drill rod are both positioned directly above the positioning mechanism and are vertically connected. The cutter has a clearance through hole that matches the drill rod. The drill rod is placed inside the clearance through hole and is rotatably connected to the fixed top plate. The drill rod has a drill rod cavity inside and a needle-inserting drive mechanism is installed inside the drill rod cavity. The needle-inserting drive mechanism has several needles. The bottom of the drill rod has a needle-inserting through hole that matches the needles.

[0008] Before pitting, the user places the fruit on the positioning mechanism and secures it. During pitting, the cutter on the lifting plate is first moved downwards, aligning with the pit, to cut a slit in the fruit for pit removal. The cutter then returns to its original position and rises. Next, the drill rod on the lifting plate rotates, aligning with the pit and moving downwards. Once the bottom of the drill rod penetrates the pit, it stops rotating. Then, the needle drive mechanism inside the drill rod activates, driving the needle through the needle hole and embedding it into the pit, securing the pit to the drill rod. The drill rod then rotates again, causing the pit to rotate synchronously, breaking the fascia connecting the pit to the fruit flesh for easier pit removal. Finally, the drill rod stops rotating again, and the lifting plate returns to its original position, moving the drill rod and the pit upwards, allowing the pit to be removed along the pre-cut pitting slit. This design effectively achieves automatic pitting while maintaining the integrity of the fruit flesh, avoiding waste, improving appearance, and enhancing commercial value.

[0009] Preferably, the needle-embedding drive mechanism includes a piston block that matches the drill rod cavity. The piston block and the drill rod cavity are slidably connected in a sealed manner. A needle-embedding fixing plate is fixed on the piston block. One end of the needle is fixed to the needle-embedding fixing plate, and the other end of the needle faces the needle-embedding through hole. An air box is fixed to the side of the lifting plate facing the fixed base plate. The top of the drill rod is mounted on the air box, and the air box is connected to the drill rod cavity. When the air box inflates the drill rod cavity, the air pressure in the drill rod cavity increases. Under the action of the air pressure, the piston block moves downward, driving the needle to pass through the needle-embedding through hole and embed into the fruit pit, thus fixing the fruit pit to the drill rod. When the air box evacuates the drill rod cavity, the air pressure in the drill rod cavity decreases. Under the action of the air pressure, the piston block moves upward, driving the needle to retract into the interior of the drill rod cavity, releasing the fruit pit from the drill rod, so that the extracted fruit pit can be removed from the drill rod. The structure is simple, the operation is convenient, and the degree of automation is high.

[0010] Preferably, a cylinder is fixed to the top plate, and a piston rod is provided on the side of the cylinder facing the bottom plate. A rotary motor is fixed to the end of the piston rod, and a rotating shaft is provided on the side of the rotary motor facing the bottom plate. The lifting plate is fixed to the end of the rotating shaft. A cylinder is fixed to the lifting plate, and a piston rod is provided on the side of the cylinder facing the bottom plate. The cutter is fixed to the end of the piston rod. The cylinder controls the automatic up-and-down movement of the cutter, causing it to cut a pitting suture in the fruit and then return to its original position. The rotary motor controls the automatic rotation of the drill rod on the lifting plate, causing it to drill into the fruit pit and rotate the pit fixed to the drill rod, thus breaking the fascia connecting the pit and the fruit flesh. The cylinder controls the automatic up-and-down movement of the drill rod on the lifting plate, causing it to drill into the fruit pit and then return to its original position, thus removing the pit fixed to the drill rod along the cut pitting suture. The structure is simple, easy to operate, and highly automated.

[0011] Preferably, the positioning mechanism includes two grippers mounted on a fixed base plate. The grippers are bowl-shaped, with their openings facing each other. The grippers are rotatably connected to the fixed base plate. Before pitting, the user places the fruit between the two grippers and controls their rotation along the closing direction to clamp and secure the fruit. The structure is simple, easy to operate, and highly automated. The gripper shape design better conforms to the curved surface of the fruit, improving the securing effect without damaging the fruit's surface.

[0012] Preferably, a rotating base matching the grippers is fixed on the base plate. A rotary motor is mounted on the rotating base, and the grippers are mounted on the rotary motor and rotatably connected to the rotating base via the motor. A pressure sensor is mounted on the grippers and electrically connected to the rotary motor. The rotary motor controls the automatic rotation of the grippers, driving both grippers to rotate in the closing direction, thereby clamping and fixing the fruit. This design is simple, easy to operate, and highly automated. The pressure sensor detects the real-time pressure exerted by the grippers on the fruit. When the pressure reaches a set value, the rotary motor stops working to prevent excessive compression and damage to the fruit.

[0013] Preferably, two grippers are located on the left and right sides of the fixed base plate, respectively. Two U-shaped elastic clips are positioned between the grippers, one on the front and one on the back of each gripper, with their openings facing each other. The U-shaped elastic clips are slidably connected to the grippers. The two grippers are used to hold and fix the fruit in the lateral direction. After the grippers have secured the fruit in the lateral direction, the two U-shaped elastic clips further secure the fruit in the front-back direction, thus achieving comprehensive clamping and fixation of the fruit. This design is simple in structure, easy to operate, highly automated, and provides excellent fixation.

[0014] Preferably, both ends of the U-shaped elastic clamp are equipped with sliders, which are hinged to the U-shaped elastic clamp. The clamping hand has an arc-shaped groove that matches the slider, and the slider is mounted on the arc-shaped groove and slidably connected to it. The fixed base plate is equipped with a slider drive mechanism connected to the slider. The cooperation between the slider and the arc-shaped groove facilitates the mounting of the end of the U-shaped elastic clamp on the clamping hand, while also guiding and limiting the relative sliding between the U-shaped elastic clamp and the clamping hand. The slider drive mechanism controls the automatic back-and-forth movement of the slider on the arc-shaped groove, driving the U-shaped elastic clamp to move back and forth on the clamping hand, thereby automatically clamping and fixing the fruit in the front-to-back direction. The structure is simple, easy to operate, and highly automated.

[0015] Preferably, a plurality of fixing rods are provided between the fixed base plate and the fixed top plate. The top end of each fixing rod is fixedly connected to the fixed top plate, and the bottom end of each fixing rod is fixedly connected to the fixed base plate. The fixed base plate and the fixed top plate are fixed together by fixing rods, resulting in high structural strength and good fixing effect.

[0016] Preferably, the slider driving mechanism includes a movable seat matching the slider. A linear groove matching the movable seat is provided on the fixed base plate. The movable seat is placed within the linear groove and slidably connected to it. A vertical guide rod and a telescopic connecting rod are provided between the movable seat and the slider. A lower connecting block is fixed to the bottom of the vertical guide rod. A connecting block groove matching the lower connecting block is provided on the movable seat. The lower connecting block is placed within the connecting block groove and slidably connected to it. An upper connecting block is fixed to the top of the vertical guide rod. One end of the telescopic connecting rod is mounted on and hinged to the upper connecting block. The other end of the telescopic connecting rod is mounted on and hinged to the slider. An arc-shaped guide plate matching the arc-shaped groove is provided between the fixed base plate and the fixed top plate. The arc-shaped guide plate is located outside the gripper and fixedly connected to the fixed rod. The vertical guide rod is placed on the surface of the arc-shaped guide plate and slidably connected to it. The lower connecting block and the end wall of the connecting block groove are connected by a compression spring. The vertical guide rod is always pressed against the surface of the arc-shaped guide plate under the elastic force of the compression spring. Once the gripper has secured the fruit in the left-right direction, the movable seat within the linear slide groove moves back and forth, causing the vertical guide rod to slide along the surface of the arc-shaped guide plate. Simultaneously, under the transmission action of the upper connecting block and the telescopic connecting rod, the slider also automatically slides synchronously along the arc-shaped slide groove, thereby driving the U-shaped elastic clamps to move back and forth on the gripper. This allows the two U-shaped elastic clamps to automatically grip and secure the fruit in the front-back direction. The structure is simple, the operation is convenient, the degree of automation is high, and the fixing effect is good.

[0017] Preferably, a cylinder three is fixed inside the linear slide groove, and a piston rod three is provided on the side of the cylinder three facing the movable seat. The movable seat is fixed to the end of the piston rod three. The cylinder three is used to control the automatic back-and-forth movement of the movable seat, driving the vertical guide rod to slide along the surface of the arc-shaped guide plate in an arc. The structure is simple, the operation is convenient, and the degree of automation is high.

[0018] The beneficial effects of this invention are: it can automatically remove the pits from fruits while ensuring the integrity of the fruit flesh, avoiding waste, improving the appearance, and increasing commercial value; pitting is convenient; the structure is simple, the operation is convenient, and the degree of automation is high; it can improve the fixing effect while avoiding damage to the surface of the fruit; the structure has high strength and good fixing effect. Attached Figure Description

[0019] Figure 1 This is the front view of the present invention;

[0020] Figure 2 yes Figure 1 A partial sectional view;

[0021] Figure 3 yes Figure 2 Enlarged view of point B in the middle;

[0022] Figure 4 yes Figure 1 Side view of the connection between the cutter and the drill rod on the middle lifting plate;

[0023] Figure 5 yes Figure 1 Sectional view at point AA.

[0024] In the diagram: 1. Fixed base plate, 2. Fixed top plate, 3. Lifting plate, 4. Cutting tool, 5. Drill rod, 6. Clearance through hole, 7. Drill rod cavity, 8. Inserted pin, 9. Inserted pin through hole, 10. Piston block, 11. Inserted pin fixing plate, 12. Air box, 13. Cylinder 1, 14. Rotary motor, 15. Cylinder 2, 16. Gripper, 17. Rotating seat, 18. Rotary motor, 19. U-shaped elastic clamp, 20. Slider, 21. Arc-shaped slide groove, 22. Fixed rod, 23. Movable seat, 24. Straight slide groove, 25. Vertical guide rod, 26. Telescopic connecting rod, 27. Lower connecting block, 28. Connecting block slide groove, 29. Upper connecting block, 30. Arc-shaped guide plate, 31. Compression spring, 32. Cylinder 3. Detailed Implementation

[0025] The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

[0026] like Figure 1 , Figure 2 and Figure 3 In the embodiments described, a fruit pitting device includes a fixed base plate 1 and a fixed top plate 2. The fixed base plate 1 is provided with a positioning mechanism. The fixed top plate 2 is positioned above the fixed base plate 1. The fixed top plate 2 is provided with a lifting plate 3. The lifting plate 3 and the fixed top plate 2 are vertically connected. A cutter 4 and a drill rod 5 are installed on the lifting plate 3. Both the cutter 4 and the drill rod 5 are positioned directly above the positioning mechanism. The cutter 4 and the lifting plate 3 are vertically connected. The cutter 4 is provided with a clearance through hole 6 that matches the drill rod 5. The drill rod 5 is placed inside the clearance through hole 6. The drill rod 5 and the fixed top plate 2 are rotatably connected. The drill rod 5 is provided with a drill rod cavity 7 inside. A needle-embedding drive mechanism is installed in the drill rod cavity 7. The needle-embedding drive mechanism is provided with several needles 8. The bottom of the drill rod 5 is provided with a needle-embedding through hole 9 that matches the needles 8.

[0027] The needle drive mechanism includes a piston block 10 that matches the drill rod cavity 7. The piston block 10 and the drill rod cavity 7 are in a sealed sliding connection. A needle fixing plate 11 is fixed on the piston block 10. One end of the needle 8 is fixed on the needle fixing plate 11, and the other end of the needle 8 is directly opposite the needle through hole 9. An air box 12 is fixed on the side of the lifting plate 3 facing the fixed base plate 1. The top of the drill rod 5 is mounted on the air box 12, and the air box 12 is connected to the drill rod cavity 7.

[0028] A cylinder 13 is fixed on the top plate 2. A piston rod is provided on the side of the cylinder 13 facing the bottom plate 1. A rotary motor 14 is fixed to the end of the piston rod. A rotating shaft is provided on the side of the rotary motor 14 facing the bottom plate 1. A lifting plate 3 is fixed to the end of the rotating shaft. A cylinder 15 is fixed on the lifting plate 3. A piston rod is provided on the side of the cylinder 15 facing the bottom plate 1. A cutter 4 is fixed to the end of the piston rod.

[0029] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, the positioning mechanism includes two grippers 16 mounted on the fixed base plate 1. The grippers 16 are bowl-shaped, and the openings of the two grippers 16 are arranged opposite to each other. The grippers 16 and the fixed base plate 1 are rotatably connected.

[0030] A rotating base 17 matching the gripper 16 is fixed on the fixed base plate 1. A rotary motor 18 is provided on the rotating base 17. The gripper 16 is mounted on the rotary motor 18 and is rotatably connected to the rotating base 17 through the rotary motor 18. A pressure sensor is provided on the gripper 16, and the pressure sensor is electrically connected to the rotary motor 18.

[0031] Two grippers 16 are located on the left and right sides of the fixed base plate 1, respectively. Two U-shaped elastic clips 19 are provided between the two grippers 16. The two U-shaped elastic clips 19 are located on the front and rear sides of the grippers 16, respectively. The openings of the two U-shaped elastic clips 19 are arranged opposite each other, and the U-shaped elastic clips 19 and the grippers 16 are slidably connected back and forth.

[0032] Both ends of the U-shaped elastic clamp 19 are provided with sliders 20, the sliders 20 and the U-shaped elastic clamp 19 are hinged together, the clamp 16 is provided with an arc-shaped groove 21 that matches the slider 20, the slider 20 is installed on the arc-shaped groove 21 and is slidably connected to it, and the fixed base plate 1 is provided with a slider drive mechanism connected to the slider 20.

[0033] Several fixing rods 22 are provided between the fixed base plate 1 and the fixed top plate 2. The top end of the fixing rod 22 is fixedly connected to the fixed top plate 2, and the bottom end of the fixing rod 22 is fixedly connected to the fixed base plate 1.

[0034] The slider drive mechanism includes a movable seat 23 that matches the slider 20. A linear groove 24 matching the movable seat 23 is provided on the fixed base plate 1. The movable seat 23 is placed within the linear groove 24 and slidably connected to it. A vertical guide rod 25 and a telescopic connecting rod 26 are provided between the movable seat 23 and the slider 20. A lower connecting block 27 is fixed to the bottom of the vertical guide rod 25. A connecting block groove 28 matching the lower connecting block 27 is provided on the movable seat 23. The lower connecting block 27 is placed within the connecting block groove 28 and slidably connected to it. The top of the vertical guide rod 25... An upper connecting block 29 is fixed. One end of the telescopic connecting rod 26 is mounted on the upper connecting block 29 and hinged thereto. The other end of the telescopic connecting rod 26 is mounted on the slider 20 and hinged thereto. An arc-shaped guide plate 30 matching the arc-shaped slide groove 21 is provided between the fixed base plate 1 and the fixed top plate 2. The arc-shaped guide plate 30 is located outside the clamp 16 and is fixedly connected to the fixed rod 22. The vertical guide rod 25 is placed on the surface of the arc-shaped guide plate 30 and is slidably connected to it back and forth. The lower connecting block 27 and the end wall of the connecting block slide groove 28 are connected by a compression spring 31.

[0035] A cylinder 32 is fixed inside the linear slide 24. A piston rod 3 is provided on the side of the cylinder 32 facing the movable seat 23. The movable seat 23 is fixed to the end of the piston rod 3.

[0036] Before pitting, the user places the fruit between the two grippers 16. The rotary motor 18 drives the two grippers 16 to rotate in the closing direction, automatically clamping and fixing the fruit in the left and right direction. Then, the cylinder 32 controls the movable seat 23 in the linear slide 24 to move back and forth, driving the vertical guide rod 25 to slide along the surface of the arc guide plate 30. At this time, under the transmission action of the upper connecting block 29 and the telescopic connecting rod 26, the slider 20 also automatically slides along the arc slide 21 in a synchronous arc, thereby driving the U-shaped elastic clamp 19 to move back and forth on the grippers 16, automatically clamping and fixing the fruit in the front and back direction.

[0037] During pitting, cylinder 2 (15) controls the cutter 4 on the lifting plate 3 to move downwards, aligning it with the pit, and cutting a slit in the fruit for pitting. Then, cylinder 2 (15) controls the cutter 4 to return to its original position and rise. Next, the rotary motor 14 controls the drill rod 5 to rotate, and cylinder 1 (13) controls the drill rod 5 on the lifting plate 3 to move downwards, aligning it with the pit. Once the bottom of the drill rod 5 has penetrated the pit, the rotary motor 14 controls the drill rod 5 to stop rotating. Then, the air box 12 is used to fill the drill rod cavity 7 with air. As the pressure increases, the piston block 10 moves downward under the action of air pressure, driving the insert needle 8 through the insert needle through hole 9 and embedding it into the fruit pit, so that the fruit pit and the drill rod 5 are fixed together. Then, the drill rod 5 is controlled to rotate again by the rotary motor 14, which drives the fruit pit to rotate synchronously, tearing the fascia connecting the fruit pit and the pulp to make it easier to remove the pit. Finally, the drill rod 5 is controlled to stop rotating again by the rotary motor 14, and the lifting plate 3 is controlled to reset and rise by the cylinder 13, which drives the drill rod 5 and the fruit pit fixed on it to move upward, so that the fruit pit is removed along the cut pit removal seam.

Claims

1. A fruit pitting device, characterized in that, The system includes a fixed base plate (1) and a fixed top plate (2). The fixed base plate (1) is equipped with a positioning mechanism. The fixed top plate (2) is positioned above the fixed base plate (1). The fixed top plate (2) is equipped with a lifting plate (3). The lifting plate (3) and the fixed top plate (2) are connected vertically. A cutter (4) and a drill rod (5) are mounted on the lifting plate (3). The cutter (4) and the drill rod (5) are both positioned directly above the positioning mechanism. The cutter (4) and the lifting plate (3) are connected vertically. The cutter (4) is equipped with a clearance through hole (6) that matches the drill rod (5). The drill rod (5) is positioned inside the clearance through hole (6). The drill rod (5) and the fixed top plate (2) are rotatably connected. The drill rod (5) has a drill rod cavity (7) inside, and a needle drive mechanism is installed in the drill rod cavity (7). The needle drive mechanism has several needles (8). The bottom of the drill rod (5) has a needle through hole (9) that matches the needles (8). The positioning mechanism includes two grippers (16) installed on the fixed base plate (1). The grippers (16) are bowl-shaped. The openings of the two grippers (16) are opposite to each other. The grippers (16) are rotatably connected to the fixed base plate (1). The two grippers (16) are located on the left and right sides of the fixed base plate (1) respectively. Two U-shaped elastic clips (19) are provided between the two grippers (16). The two U-shaped elastic clips (19) are located on the front and rear sides of the grippers (16) respectively. Two U-shaped elastic clips (19) are arranged with their openings facing each other. The U-shaped elastic clips (19) are slidably connected to the gripper (16). Both ends of the U-shaped elastic clips (19) are provided with sliders (20). The sliders (20) and the U-shaped elastic clips (19) are hinged together. The gripper (16) is provided with an arc-shaped groove (21) that matches the slider (20). The slider (20) is installed on the arc-shaped groove (21) and is slidably connected to it. The fixed base plate (1) is provided with a slider driving mechanism connected to the slider (20). Several fixed rods (22) are provided between the fixed base plate (1) and the fixed top plate (2). The top ends of the fixed rods (22) are fixedly connected to the fixed top plate (2). The bottom end of the fixed rod (22) is fixedly connected to the fixed base plate (1). The slider driving mechanism includes a movable seat (23) that matches the slider (20). The fixed base plate (1) is provided with a linear groove (24) that matches the movable seat (23). The movable seat (23) is placed in the linear groove (24) and is slidably connected to it back and forth. A vertical guide rod (25) and a telescopic connecting rod (26) are provided between the movable seat (23) and the slider (20). A lower connecting block (27) is fixed at the bottom of the vertical guide rod (25). A connecting block groove (28) that matches the lower connecting block (27) is provided on the movable seat (23). The lower connecting block (27) is placed in the connecting block groove (28) and is slidably connected to it left and right.The top of the vertical guide rod (25) is fixed with an upper connecting block (29). One end of the telescopic connecting rod (26) is mounted on the upper connecting block (29) and hinged thereto. The other end of the telescopic connecting rod (26) is mounted on the slider (20) and hinged thereto. An arc-shaped guide plate (30) matching the arc-shaped groove (21) is provided between the fixed base plate (1) and the fixed top plate (2). The arc-shaped guide plate (30) is located outside the gripper (16) and is fixedly connected to the fixed rod (22). The vertical guide rod (25) is placed on the surface of the arc-shaped guide plate (30) and is slidably connected to it. The lower connecting block (27) and the end wall of the connecting block groove (28) are connected by a compression spring (31).

2. The fruit pitting device according to claim 1, characterized in that, A cylinder (13) is fixed on the fixed top plate (2). A piston rod is provided on the side of the cylinder (13) facing the fixed bottom plate (1). A rotary motor (14) is fixed at the end of the piston rod. A rotating shaft is provided on the side of the rotary motor (14) facing the fixed bottom plate (1). The lifting plate (3) is fixed at the end of the rotating shaft. A cylinder (15) is fixed on the lifting plate (3). A piston rod is provided on the side of the cylinder (15) facing the fixed bottom plate (1). The cutter (4) is fixed at the end of the piston rod.

3. The fruit pitting device according to claim 1, characterized in that, A rotating seat (17) matching the gripper (16) is fixed on the fixed base plate (1). A rotary motor (18) is provided on the rotating seat (17). The gripper (16) is mounted on the rotary motor (18) and is rotatably connected to the rotating seat (17) through the rotary motor (18). A pressure sensor is provided on the gripper (16). The pressure sensor is electrically connected to the rotary motor (18).

4. A fruit pitting device according to claim 1, characterized in that, The linear slide (24) has a cylinder three (32) fixed inside. The cylinder three (32) has a piston rod three on the side facing the movable seat (23). The movable seat (23) is fixed to the end of the piston rod three.

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