阅读说明：本技术 一种果实去柄去心装置 (Fruit stem and core removing device ) 是由 王财 车稷 李明 于 2021-09-14 设计创作，主要内容包括：本发明提供了在食品加工机械技术领域的一种果实去柄去心装置,果实柄朝下进入放置盒中后,通过光电传感器启动第一气缸带动伸缩筒上行,伸缩筒顶部的切割刀插入到果实中后,在果柄周围形成环形切口,接近传感器启动第二气缸,使多个切割刀相互靠近并夹紧切割后的果柄及果心或籽,第一气缸收缩带动切割刀下行,将果柄及果心或籽从果皮中抽出,防止切割后的果心或籽残留在果皮中；升降板远离接近传感器后接近传感器控制第二汽缸收缩,切割刀复位,同时顶杆将切割下的果柄及果心或籽顶出,保证了果实的去柄心效果,结构简单,使用方便、快捷,切割效果好,有效降低了切割过程中切口过大造成的浪费,在食品机械技术领域具有广泛的推广应用价值。(The invention provides a fruit stem removing and core removing device in the technical field of food processing machinery, wherein after a fruit stem enters a placing box downwards, a first cylinder is started through a photoelectric sensor to drive a telescopic cylinder to ascend, a cutting knife at the top of the telescopic cylinder is inserted into a fruit to form an annular cut around the fruit stem, a proximity sensor starts a second cylinder to enable a plurality of cutting knives to mutually approach and clamp the cut fruit stem and fruit core or seed, the first cylinder contracts to drive the cutting knife to descend, the fruit stem and fruit core or seed are extracted from fruit peel, and the cut fruit core or seed is prevented from remaining in the fruit peel; the proximity sensor control second cylinder shrink behind the proximity sensor is kept away from to the lifter plate, and the cutting knife resets, and the ejector pin is ejecting with the stalk and the core of the fruit or seed that cut simultaneously, has guaranteed the core effect of removing of fruit, simple structure, convenient to use, swift, and cutting effect is good, has effectively reduced the too big waste that causes of incision in the cutting process, has extensive popularization and application and worth in food machinery technical field.)

1. The utility model provides a fruit goes handle device of coring which characterized in that: the device comprises a fixed frame (1), a telescopic mechanism, a clamping mechanism and a placing box (2), wherein the telescopic mechanism is arranged at the bottom of the fixed frame (1), the clamping mechanism is arranged at the top of the telescopic mechanism, and the placing box (2) is arranged at the top of the fixed frame (1); the telescopic mechanism comprises a first air cylinder (6), a telescopic cylinder (5) and a push rod (4), the bottom of the first air cylinder (6) is fixedly connected with the bottom of the fixing frame (1), the top end of a piston of the first air cylinder (6) is fixedly connected with the bottom of the telescopic cylinder (5), the push rod (4) is arranged in the telescopic cylinder (5), the outer diameter of the push rod (4) is matched with the inner diameter of the telescopic cylinder (5), the bottom of the push rod (4) is fixedly connected with the fixing frame (1), a connecting plate (7) is arranged at the top of the telescopic cylinder (5), and the connecting plate (7) is movably connected with the clamping mechanism; the clamping mechanism comprises more than two cutting knives (9), movable blocks (8) and second air cylinders (11), and the cutting knives (9) are movably connected with the telescopic cylinder (5) through the movable blocks (8); the movable block (8) is movably connected with the top of the telescopic cylinder (5) through a connecting plate (7), one end of the movable block (8) is fixedly connected with the cutting knife (9), and the other end of the movable block (8) is movably connected with a piston at the top of the second cylinder (11); the outer side of the middle part of the telescopic cylinder (5) is fixedly connected with a lifting plate (10), and the bottom of the second cylinder (11) is fixedly connected with the lifting plate (10); the bottom of the placing box (2) is provided with a cutting hole (3).

2. A fruit stem and core removing device as claimed in claim 1, wherein: the upper part of the cutting knife (9) is narrow and the lower part of the cutting knife is wide, and the cutting knife (9) is annularly arranged around the telescopic cylinder (5); the outer diameter of the cutting knife (9) is smaller than the diameter of the cutting hole (3) and is matched with the cutting hole (3), and the inner diameter of the cutting knife (9) is larger than the outer diameter of the ejector rod (4) and is matched with the outer diameter of the ejector rod (4).

3. A fruit stem and core removing device as claimed in claim 1, wherein: the top of the ejector rod 4 is a cambered surface, a sphere or a hemisphere.

4. A fruit stem and core removing device as claimed in claim 1, wherein: place box (2) both sides and be equipped with fixed plate (12) with mount (1) fixed connection, all be provided with fixation nut (13) on fixed plate (12), all there are photoelectric sensor (14) through threaded connection in fixation nut (13), two photoelectric sensor (14) subtend setting, it is equipped with through-hole (15) that suit the setting with photoelectric sensor (14) respectively to place box (2) lateral wall.

5. A fruit stem and core removing device as claimed in claim 1, wherein: a fixed rod (16) is arranged at the bottom of the ejector rod (4), a first sliding groove (17) which is matched with the fixed rod (16) is arranged at the lower end of the telescopic cylinder (5), one end of the fixed rod (16) is fixedly connected with the ejector rod (4), and the other end of the fixed rod (16) penetrates through the first sliding groove (17) in the telescopic cylinder (5) and is fixedly connected with the fixed frame (1); the length of the first sliding groove (17) is adaptive to the stroke distance of the first air cylinder (6).

6. A fruit stem and core removing device as claimed in claim 5, wherein: the distance between the fixed rod (16) and the top end of the ejector rod (4) is greater than the distance between the top of the first sliding groove (17) and the top of the cutting knife (9).

7. The fruit stem and core removing device of claim 6, wherein: the distance from the bottom of the first sliding groove (17) to the top end of the cutting knife (9) is larger than the distance from the fixed rod (16) to the cutting hole (3), and the distance from the bottom of the first sliding groove (17) to the top end of the cutting knife (9) is smaller than the distance from the fixed rod (16) to the top of the fixed frame (1).

8. A fruit stem and core removing device as claimed in claim 1, wherein: a second sliding groove (18) which is matched with the lifting plate (10) is formed in the upper portion of the fixing frame (1), and a proximity sensor (19) is fixedly connected to the top end of the second sliding groove (18); the length of the second sliding chute (18) is the same as the stroke distance of the first cylinder (6).

9. A fruit stem and core removing device as claimed in claim 1, wherein: one side that connecting plate (7) were kept away from in movable block (8) is equipped with movable groove (20) of bar, the piston top fixedly connected with pull rod (21) of second cylinder (11), pull rod (21) top and movable groove (20) swing joint.

10. Use of a fruit stem and core removing device according to any one of claims 1 to 9 in fruit and vegetable processing.

Technical Field

The invention relates to the technical field of food processing machinery, in particular to a device for removing stems and cores of fruits.

Background

Fruits and vegetables contain many natural phytochemicals with important physiological activities, and in daily life, the fruits and vegetables are important food sources for people to obtain various essential nutritional ingredients such as vitamins, sugars, inorganic salts, dietary fibers, water and the like. With the development of the fruit and vegetable processing industry, more and more fruit and vegetable products appear in shopping carts of people. At present, fruit and vegetable products with development prospects comprise fruit and vegetable canned products, fruit and vegetable sugar products, dried fruit and vegetable products, fruit and tree quick-frozen products, fruit and vegetable juice, fruit wine, vegetable pickled products and the like. Through deep processing of fruits and vegetables, not only can the flavor of the fruits and vegetables be enhanced, the browning reaction be reduced, but also the shelf life of products can be prolonged, the waste is reduced, and the income of farmers is increased.

The fruits and vegetables eaten by people are usually the peel parts of fruits of angiosperms, and the fruits comprise peel and seeds, so that when the fruits and vegetables are processed, in order to improve the taste, facilitate the processing, reduce the toxicity and improve the quality of finished products, the stems and the hearts of the fruits and vegetables are usually required to be removed before the processing, such as the stem and the heart of an apple and the stem and the seed of a pepper. The existing commonly used stem and core removing method is that an annular cut is manually cut along the outer side of a fruit stem, then the stem is pulled to separate the stem, a fruit core and fruit peel, such as hot pepper, hawthorn and the like, the method wastes time and labor, the top end of the annular cut is still connected with the fruit, the fruit core or seed cannot be completely taken out when the fruit core or seed and the fruit stem are taken out, the stem and core removing effect is not ideal, the subsequent processing can be influenced by the residue of the fruit core or seed, and the product quality is reduced; after the fruits are manually girdled along the fruit suture line, the two fruits rotate oppositely to be separated, and then are dug out by a spoon-shaped fruit core cutter, such as peaches, apricots, apples and the like. At present, common machines for assisting people in removing the fruit cores and the fruit stalks exist in the market, but the machines are mostly only suitable for removing the cores of single-variety fruits, and are complex in structure, difficult to install and maintain, large in cut and serious in waste.

Disclosure of Invention

In order to solve the problems of time and labor waste, unsatisfactory removing effect, low efficiency, high labor intensity, small application range, complex structure, difficult installation and maintenance, large incision and waste of the existing handle and core removing machine, the invention aims to provide a fruit handle and core removing device, the handle of fruit and vegetable is put into a cutting hole in a placing box downwards, after the fruit is sensed by a photoelectric sensor, a first cylinder drives a telescopic cylinder to move upwards, the top of the telescopic cylinder is movably connected with a plurality of annularly arranged cutting knives, the cutting knives are inserted into the fruit from the periphery of the handle after the telescopic cylinder moves to the highest point, a second cylinder is started by a proximity sensor to enable the plurality of cutting knives to approach each other, the handle, the core or the seed is clamped, the connecting area of the core or the seed and the fruit peel is reduced, and then the first cylinder is contracted to drive the telescopic cylinder and the cutting knives to move downwards, the fruit stalks and the fruit cores or the seeds are extracted from the fruits, the proximity sensor loses the induction to enable the second air cylinder to contract, the cutting knife resets, the ejector rod fixedly connected with the fixed rod is arranged in the telescopic cylinder, the fruit cores or the seeds and the fruit stalks at the center of the cutting knife are loosened in the resetting process of the cutting knife and are ejected out by the ejector rod, and the problems that the effect of manually removing the fruit stalks and the fruit cores or the seeds is not ideal, the efficiency is low and the labor intensity is high in the prior art are solved; the common handle-removing and core-removing machine has the technical problems of difficult installation and maintenance, large incision and serious waste, and has wide applicability and popularization and application values in the technical field of food processing machines.

The invention is realized by the following technical scheme:

the invention provides a fruit stem and core removing device which comprises a fixed frame, a telescopic mechanism, a clamping mechanism and a placing box, wherein the telescopic mechanism is arranged at the bottom of the fixed frame, the clamping mechanism is arranged at the top of the telescopic mechanism, and the placing box is arranged at the top of the fixed frame; the telescopic mechanism comprises a first air cylinder, a telescopic cylinder and an ejector rod, the bottom of the first air cylinder is fixedly connected with the bottom of the fixing frame, the top end of a piston of the first air cylinder is fixedly connected with the bottom of the telescopic cylinder, the ejector rod is arranged in the telescopic cylinder, the outer diameter of the ejector rod is matched with the inner diameter of the telescopic cylinder, the bottom of the ejector rod is fixedly connected with the fixing frame, a connecting plate is arranged at the top of the telescopic cylinder, and the connecting plate is movably connected with the clamping mechanism; the clamping mechanism comprises more than two cutting knives, a movable block and a second air cylinder, and the cutting knives are movably connected with the telescopic cylinder through the movable block; the movable block is movably connected with the top of the telescopic cylinder through a connecting plate, one end of the movable block is fixedly connected with the cutting knife, and the other end of the movable block is movably connected with a piston at the top of the second cylinder; the outer side of the middle part of the telescopic cylinder is fixedly connected with a lifting plate, and the bottom of the second cylinder is fixedly connected with the lifting plate; the bottom of the placing box is provided with a cutting hole.

In the invention, the cutting knives are narrow at the top and wide at the bottom, and the cutting knives are annularly arranged around the telescopic cylinder.

In the invention, the outer diameter of the cutting knife is smaller than the diameter of the cutting hole and is arranged in a manner of adapting to the cutting hole, and the inner diameter of the cutting knife is larger than the outer diameter of the ejector rod and is arranged in a manner of adapting to the outer diameter of the ejector rod.

In the invention, the top of the ejector rod is an arc surface or a sphere passing a hemisphere.

In the invention, fixing plates fixedly connected with a fixing frame are arranged on two sides of the placing box, fixing nuts are arranged on the fixing plates, photoelectric sensors are connected in the fixing nuts through threads, the two photoelectric sensors are oppositely arranged, and through holes respectively matched with the photoelectric sensors are formed in the side wall of the placing box.

According to the telescopic cylinder, the bottom of the ejector rod is provided with a fixed rod, the lower end of the telescopic cylinder is provided with a first chute which is matched with the fixed rod, one end of the fixed rod is fixedly connected with the ejector rod, and the other end of the fixed rod penetrates through the first chute on the telescopic cylinder to be fixedly connected with the fixed frame.

In the invention, the length of the first chute is adaptive to the stroke distance of the first cylinder.

In the invention, the distance between the fixed rod and the top end of the ejector rod is greater than the distance between the top of the first chute and the top of the cutting knife.

In the invention, the distance from the bottom of the first chute to the top end of the cutting knife is greater than the distance from the fixed rod to the cutting hole; the distance from the bottom of the first sliding groove to the top end of the cutting knife is smaller than the distance from the fixing rod to the top of the fixing frame.

In the invention, the upper part of the fixing frame is provided with a second sliding groove which is matched with the lifting plate, and the top end of the second sliding groove is fixedly connected with a proximity sensor.

In the invention, the length of the second chute is the same as the stroke distance of the first cylinder.

According to the invention, a strip-shaped movable groove is formed in one side, away from the connecting plate, of the movable block, a pull rod is fixedly connected to the top of the piston of the second cylinder, and the top of the pull rod is movably connected with the movable groove.

Compared with the prior art, the fruit stem and core removing device provided by the invention has the following beneficial effects that:

(1) drive the cutting knife through first cylinder extension and rise and insert the fruit in from the carpopodium outside, make a plurality of cutting knives be close to each other through the second cylinder and press from both sides tight carpopodium and carpopodium or seed, reduce the area of being connected of carpopodium or seed and peel, it descends to drive the cutting knife through first cylinder shrink, make carpopodium and carpopodium or seed and peel separation under will cutting, effectively reduce the area of being connected of carpopodium or seed and peel, prevent that carpopodium or seed from remaining in the peel, high durability and convenient use, and is swift.

(2) The fruit in the box is placed in the photoelectric sensor response through two subtend settings, and the first cylinder of automatic start, through proximity sensor response and telescopic cylinder fixed connection's lifter plate's position, proximity sensor starts the second cylinder when the cutting knife rises to the top and makes a plurality of cutting knives be close to each other and form the toper, reduces the area that fruit heart or seed and peel are connected, is convenient for make the carpopodium fruit heart or seed and peel separate completely.

(3) Through the fixed ejector pin of dead lever, prevent the slope of a flexible section of thick bamboo through the ejector pin, simultaneously through the ejector pin with the carpopodium and the carpopodium or the seed top of cutting off from cutting knife and discharge, carpopodium and the carpopodium or the seed card after the cutting can be prevented in the cutting knife, the next cutting operation of being convenient for, moreover, the steam generator is simple in structure, high durability and convenient use, high cutting efficiency, effectively reduce the too big waste that causes of incision in the cutting process, prevent simultaneously that the carpopodium or the seed after the cutting from remaining in the peel, influence post-processing, the quality of answering county product, have extensive suitability and popularization and application and worth in food processing machinery technical field.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 shows a front view of the present invention.

Fig. 2 shows a top view of the present invention.

Fig. 3 is a front sectional view of the present invention.

Fig. 4 is a front view of the cutting blade of the present invention as it travels up the tip.

Fig. 5 shows a cross-sectional view of the cutting blade of the present invention as it travels up the tip.

Fig. 6 shows a front view of the cutting blade of the invention when clamped.

FIG. 7 shows a cross-sectional view of the cutting blade of the present invention when clamped;

fig. 8 is an enlarged view of a portion a of fig. 7 according to the present invention.

Fig. 9 is a partial cross-sectional view taken horizontally at B-B of fig. 7 in accordance with the present invention.

Fig. 10 shows a side view of a cutting blade according to the present invention.

Fig. 11 shows a schematic view of a half-section structure of a cutting knife according to the present invention.

Reference numerals: 1-a fixed frame, 2-a placing box, 3-a cutting hole, 4-a mandril, 5-a telescopic cylinder, 6-a first air cylinder, 7-a connecting plate, 8-a movable block, 9-a cutting knife, 10-a lifting plate, 11-a second air cylinder, 12-a fixed plate, 13-a fixed nut, 14-a photoelectric sensor, 15-a through hole, 16-a fixed rod, 17-a first chute, 18-a second chute, 19-a proximity sensor, 20-a movable chute and 21-a pull rod.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to fig. 1 to 11, and it is obvious that the described embodiments are some, not all embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, for convenience of description, the description of the relative position relationship of the components in a fruit stem-removing and core-removing device is described according to the layout of fig. 1, such as: the positional relationship of up, down, left, right, etc. is determined according to the layout direction of fig. 1.

Example 1:

with reference to fig. 1 to 11, the fruit stem and core removing device comprises a fixed frame 1, a telescopic mechanism, a clamping mechanism and a placing box 2, wherein the telescopic mechanism is arranged at the bottom of the fixed frame 1, the clamping mechanism is arranged at the top of the telescopic mechanism, and the placing box 2 is arranged at the top of the fixed frame 1; the telescopic mechanism comprises a first air cylinder 6, a telescopic cylinder 5 and an ejector rod 4, the bottom of the first air cylinder 6 is fixedly connected with the bottom of the fixed frame 1, the top end of a piston of the first air cylinder 6 is fixedly connected with the bottom of the telescopic cylinder 5, the ejector rod 4 is arranged in the telescopic cylinder 5, the outer diameter of the ejector rod 4 is matched with the inner diameter of the telescopic cylinder 5, the bottom of the ejector rod 4 is fixedly connected with the fixed frame 1, the top of the telescopic cylinder 5 is provided with a connecting plate 7, and the connecting plate 7 is movably connected with the clamping mechanism; the clamping mechanism comprises more than two cutting knives 9, movable blocks 8 and a second air cylinder 11, wherein the cutting knives 9 are movably connected with the telescopic cylinder 5 through the movable blocks 8; the movable block 8 is movably connected with the top of the telescopic cylinder 5 through a connecting plate 7, one end of the movable block 8 is fixedly connected with a cutting knife 9, and the other end of the movable block 8 is movably connected with a piston at the top of a second cylinder 11; the outer side of the middle part of the telescopic cylinder 5 is fixedly connected with a lifting plate 10, and the bottom of the second cylinder 11 is fixedly connected with the lifting plate 10; the bottom of the placing box 2 is provided with a cutting hole 3.

Referring to fig. 1-8 and fig. 10-11, in the present invention, the cutting blades 9 are narrow at the top and wide at the bottom, and the cutting blades 9 are annularly arranged around the telescopic cylinder 5; the outer diameter of the cutting knife 9 is smaller than the diameter of the cutting hole 3 and is matched with the cutting hole 3, the inner diameter of the cutting knife 9 is larger than the outer diameter of the ejector rod 4 and is matched with the outer diameter of the ejector rod 4, and the annular arrangement of the cutting knife 9 is convenient for forming an annular cut around the fruit stem at one time; the cutting knife 9 is narrow at the top and wide at the bottom, so that a cone is formed when the cutting knives 9 are close to each other, the fruit handle and the fruit core or seed are wrapped in the cutting knife 9, the adhesion area of the fruit core or seed and the fruit peel is reduced, the fruit core or seed and the fruit peel can be conveniently and completely separated, and the residue of the cut fruit core or seed is reduced; the diameter of the cutting knife 9 is smaller than the diameter of the cutting hole 3 and larger than the diameter of the ejector rod 4, so that the ejector rod 4 can extend out of the cutting knife 9 arranged in an annular mode when the cutting knife 9 extends out of the cutting hole 3 to complete cutting operation, and the fruit stalks and fruit cores or seeds to be cut are ejected out of the cutting knife 9, so that next cutting is facilitated.

With reference to fig. 1 and fig. 3-8, in the present invention, the top of the top rod 4 is a cambered surface, a sphere or a hemisphere, which facilitates timely discharging the cut fruit stalks and fruit cores or seeds, and prevents the fruit stalks and fruit cores or seeds from staying and accumulating at the top end of the top rod 4.

Referring to the attached drawings 1 and 3-6, in the invention, fixing plates 12 fixedly connected with a fixing frame 1 are arranged on two sides of a placing box 2, fixing nuts 13 are arranged on the fixing plates 12, photoelectric sensors 14 are connected in the fixing nuts 13 through threads, the two photoelectric sensors 14 are arranged in opposite directions, through holes 15 which are respectively matched with the photoelectric sensors 14 are formed in the side walls of the placing box 2, whether fruits are placed in the placing box 2 is sensed through the two photoelectric sensors 14 arranged in opposite directions, when the fruits block optical signals between the two photoelectric sensors 14, the photoelectric sensors 14 control a cutting knife 9 to ascend again, and accidental injury caused by direct touch of the cutting knife 9 in the fruit placing process is prevented.

With reference to fig. 1 and fig. 3-6, in the present invention, a fixing rod 16 is disposed at the bottom of the ejector rod 4, a first sliding groove 17 is disposed at the lower end of the telescopic cylinder 5 and adapted to the fixing rod 16, one end of the fixing rod 16 is fixedly connected to the ejector rod 4, the other end of the fixing rod 16 passes through the first sliding groove 17 on the telescopic cylinder 5 and is fixedly connected to the fixing frame 1, the ejector rod 4 is fixed by the fixing rod 12 to prevent the ejector rod 4 from moving, so that the ejector rod 4 can eject the cut fruit stalks and cores or seeds away from the cutting knife 9; meanwhile, the mandril 4 prevents the telescopic cylinder 5 from being inclined during the movement to cause equipment damage.

Referring to fig. 1 and fig. 3-9, in the present invention, the length of the first sliding groove 17 is adapted to the stroke distance of the first cylinder 6, and the fixed rod 12 passes through the first sliding groove 17 to be fixedly connected with the top rod 4 in the telescopic cylinder 5 without affecting the movement of the telescopic cylinder 5 outside the top rod 4.

With reference to fig. 1 and fig. 3-9, in the present invention, the distance from the fixed rod 16 to the top end of the ejector rod 4 is greater than the distance from the top end of the first sliding groove 17 to the top end of the cutting knife 9, and when the telescopic cylinder 5 descends to the bottommost end, the top end of the ejector rod 4 can leak out of the top end of the cutting knife 9, so that the cut fruit cores or seeds and fruit stalks can be ejected away from the cutting knife 9 by the ejector rod 4 and discharged, which is convenient for the next continuous cutting and improves the continuity.

With reference to fig. 3, 5 and 7-8, in the present invention, the distance from the bottom of the first sliding groove 17 to the top end of the cutting knife 9 is greater than the distance from the fixing rod 16 to the cutting hole 3, and the distance from the bottom of the first sliding groove 17 to the top end of the cutting knife 9 is less than the distance from the fixing rod 16 to the top of the fixing frame 1, so that the cutting knife 9 extends into the placing box 2 and is lower than the top of the fixing frame 1 when the telescopic cylinder 5 moves upward to the top end, thereby preventing the cutting knife 9 from extending out of the fixing frame 1 to cause accidental injury while ensuring that the cutting knife 9 moves upward to the top end to cut fruits.

Referring to fig. 3, 5 and 7-8, in the present invention, a second chute 18 is disposed at the upper portion of the fixing frame 1 and adapted to the lifting plate 10, a proximity sensor 19 is fixedly connected to the top end of the second chute 18, the proximity sensor 19 and the lifting plate 10 sense whether the cutting knife 9 has ascended to the top end, so as to control the timing when the cutting knives 9 approach each other, the cutting knife 9 is automatically controlled to separate the fruit core or seed from the fruit peel, and the proximity sensor 19 and the lifting plate 10 sense the descending of the cutting knife 9, and then the second cylinder 11 is controlled to separate the cutting knives 9 from each other, so as to discharge the cut fruit core or seed.

With reference to fig. 3, 5 and 7-8, in the present invention, the length of the second sliding groove 18 is the same as the stroke distance of the first cylinder 6, which improves the accuracy of the proximity sensor 19, and facilitates the proximity sensor 19 to control the second cylinder 11 in time to make the cutting knife 9 approach or separate from each other.

With reference to fig. 1 and fig. 3-8, in the present invention, a strip-shaped movable groove 20 is disposed on a side of the movable block 8 away from the connecting plate 7, a pull rod 21 is fixedly connected to a top of a piston of the second cylinder 11, a top of the pull rod 21 is movably connected to the movable groove 20, so that the movable block 8 is pushed or pulled to rotate by the pull rod 21, thereby controlling clamping or resetting of the cutting knife 9, the strip-shaped movable groove 20 enables the second cylinder 11 to contract for a buffering time, so that the cutting knife 9 clamped with each other pulls the cut fruit stalks and cores or seeds out of the fruit peels completely, and then pulls the movable block 8 to reset the cutting knife 9, thereby preventing the fruit stalks or seeds from adhering to the fruit peels to affect the effects of stalk removal and core removal.

Example 2:

when the fruit cutting device is used, the fruit stalks of fruits and vegetables are placed downwards on the cutting holes 3 in the placing box 2, the photoelectric sensor 14 senses the fruits and then automatically starts the first air cylinder 6 to drive the telescopic cylinder 5 to move upwards, the plurality of cutting knives 3 at the top of the telescopic cylinder 5 are inserted into the fruits from the periphery of the fruit stalks, meanwhile, when the proximity sensor 19 senses that the telescopic cylinder 5 moves upwards to the highest point, the plurality of second air cylinders 11 are simultaneously started, the second air cylinders 11 extend to push the movable block 8 to rotate, so that the plurality of cutting knives 9 which are narrow at the top and wide at the bottom and fixedly connected with the movable block 8 are mutually close to form a cone, the cut fruit stalks and fruit cores or seeds are clamped, the fruit stalks, the fruit cores or seeds are separated from fruit peels, then the proximity sensor 19 controls the first air cylinder 6 to shrink, the first air cylinder 6 drives the telescopic cylinder 5 and the cutting knives 9 to move downwards, the cut fruit stalks and the fruit cores or seeds are extracted from the fruits and only the fruit peels are left, the proximity sensor 19 makes the plurality of second cylinders 11 contract, makes the plurality of cutting knives 9 close to each other reset, loosens the tight fruit stalks and the fruit cores or the seeds, the ejector rod 4 fixedly connected with the fixed rod 16 is arranged in the telescopic cylinder 5, the cutting knives 9 are driven by the telescopic cylinder 5 to move downwards, the ejector rod 4 is exposed from the annular middle surrounded by the plurality of cutting knives 9, the cut fruit stalks and fruit cores or seeds are ejected and discharged, the first cylinder 6 resets, namely, the work of removing the seeds and removing the stems is completed once, after another fruit enters the placing box 2, the actions of cutting, clamping, separating, ejecting and the like can be continuously and repeatedly completed, the cut fruit stalks and fruit cores or seeds can be prevented from remaining in the fruit peels, the stalk and fruit core removing effect of the fruits and the vegetables is ensured, the structure is simple, the use is convenient and fast, the cutting effect is good, the waste caused by overlarge cuts in the cutting process is effectively reduced, and the unsatisfactory effect of manually removing the fruit stalks and the fruit cores or the seeds in the prior art is solved, the fruit core or seed residue affects the subsequent processing procedures, affects the product quality, and has low efficiency and high labor intensity; the common technical problems of difficult installation and maintenance, large incision and serious waste of the stem and core removing machine are solved, and the method has wide applicability and popularization and application values in the technical field of food processing machines

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the control circuit belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.