CN112934734A

CN112934734A - Fruit sorting equipment

Info

Publication number: CN112934734A
Application number: CN202110111701.2A
Authority: CN
Inventors: 张团旗; 渠永超; 崔秋檀; 陈学哲
Original assignee: Chongqing Meng Tai Bio Tech Ltd
Current assignee: Chongqing Meng Tai Bio Tech Ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-06-11

Abstract

The invention discloses fruit sorting equipment, which comprises a rack, a conveying mechanism, a shifting mechanism and a fruit outlet groove, wherein the conveying mechanism is arranged on the rack; the conveying mechanism comprises a conveying chain and fruit supports, the conveying chain is arranged on the rack, the fruit supports are fixedly arranged on the conveying chain, the fruit supports are arranged on the conveying chain at intervals, and a fruit can be supported between every two adjacent fruit supports; the shifting mechanism is arranged on the rack and shifts the fruit support to turn over so as to turn down the fruit on the fruit support; the fruit outlet groove is arranged beside the shifting mechanism and is used for receiving the fruit which is shifted by the shifting mechanism to shift the fruit support and falls off from the fruit support. Compared with manual workshop type manual sorting, the fruit sorting equipment has the advantages that sorting efficiency is greatly improved, labor cost is saved, and sorting and classification are accurate by automatically identifying fruits; compare and only rely on the size of fruit to carry out the screening formula letter sorting, sort multiple types, can satisfy the demand of sorting to the fruit quality.

Description

Fruit sorting equipment

Technical Field

The invention relates to the field of food processing and production, in particular to fruit sorting equipment.

Background

The market core competitiveness of fruit depends mainly on two factors, namely the quality of the fruit and the post-production treatment of the fruit. At present, the fruit postpartum processing capacity of China is insufficient, mainly the sorting technology is relatively backward, and other automatic line processes of fruit postpartum processing such as online, cleaning, waxing and drying are generally in line operations such as starting and stopping of processes, and are relatively easy to solve. Therefore, the fruit sorting technology is the key of fruit post-production treatment.

At present, the domestic sorting technology is relatively backward, manual sorting is mainly relied on in a manual workshop manner, the sorting efficiency is low, the labor cost is high, and the sorting accuracy is low due to the subjective manual judgment; or only rely on the size of fruit to carry out screening formula letter sorting, the letter sorting mode is simple, can not satisfy the demand of carrying out the letter sorting to the fruit quality.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides fruit sorting equipment, which aims to solve the problems that manual workshop type manual sorting provided by the background technology is low in sorting efficiency and high in labor cost, and the sorting accuracy is low due to the fact that manual judgment is subjective; or only rely on the size of fruit to carry out screening formula letter sorting, the letter sorting mode is simple, can not satisfy the problem of carrying out the demand of letter sorting to the fruit quality.

In order to solve the technical problem, the technical scheme adopted by the invention is as follows:

a fruit sorting apparatus comprising:

a frame;

the conveying mechanism comprises a conveying chain and fruit supports, the conveying chain is arranged on the rack, the fruit supports are fixedly arranged on the conveying chain, the fruit supports are arranged on the conveying chain at intervals, and a fruit can be supported between every two adjacent fruit supports;

the shifting mechanism is arranged on the rack and shifts the fruit support to turn over so as to turn down the fruits on the fruit support;

the fruit outlet groove is arranged below the shifting mechanism and is used for receiving the fruits which are shifted by the shifting mechanism to fall from the fruit support.

Conveying the fruit on the fruit support through the conveying chain, the top of conveying chain is equipped with detection recognition device, when treating fruit through detection recognition device's below, fruit is discerned and is recorded, when conveying to a fruit groove side, detects recognition device control toggle mechanism action and stirs the upset of fruit support for fruit on the fruit support falls to a fruit inslot, and the fruit of different size and quality falls in the corresponding fruit groove that goes out. Compared with manual workshop type manual sorting, the sorting efficiency is greatly improved, the labor cost is saved, and sorting and classification are accurate by automatically identifying fruits; compare and only rely on the size of fruit to carry out the screening formula letter sorting, sort multiple types, can satisfy the demand of sorting to the fruit quality.

Further, the fruit support comprises a supporting wheel, a bracket and a supporting frame, the supporting frame is fixedly connected with the conveying chain, the supporting wheel is rotatably connected with the bracket, the bracket is movably connected with the supporting frame, and the bracket is provided with a supporting position and a discharging position relative to the supporting frame. When the bracket is in the supporting position, the fruit is normally transported; when the bracket is at the unloading position, the bracket inclines relative to the supporting frame, and the fruit is poured into the fruit discharging groove.

Furthermore, a through hole is formed in the support frame, a support rod is arranged on the bracket and penetrates through the through hole, the support rod is provided with a first position and a second position in the through hole, the hole diameters of two ends of the through hole are gradually increased on a vertical surface, the first position is adopted when the support rod is parallel to the through hole, the second position is adopted when the support rod is inclined to the through hole and the support rod is abutted against the inner wall of the through hole, the first position corresponds to the support position of the bracket, and the second position corresponds to the unloading position of the bracket; the support frame is provided with a support block, the support block is provided with a step, the bracket is provided with a support block, and when the support rod is located at the first position in the through hole, the support block is in butt fit with the step. The diameter of the through hole is larger than that of the supporting rod, so that the supporting rod can move in the through hole, the diameters of the two ends of the through hole are gradually increased on the vertical surface, and the supporting rod can tilt on the vertical surface of the through hole by taking the middle part of the through hole as a hinge point; the arrangement of the abutting block and the step abutting match enables the bracket to be in a supporting position corresponding to the first position, and the structure is stable, so that stable conveying of fruits is facilitated.

Furthermore, the bracket is also provided with a stabilizing block, and when the supporting rod is positioned at the first position in the through hole, the stabilizing block is abutted against the supporting frame. Set up stable piece, further when making the bracket be in the support position that first position corresponds, stable in structure, the transportation of fruit is more stable.

Furthermore, the riding wheel comprises two conical wheels and a connecting rod, the two conical wheels are opposite and are coaxially connected through the connecting rod, and the two conical wheels and the connecting rod are integrally formed to form a shape with two large ends and a small middle part. Two big ends, the little shape in the middle is favorable to the stable of fruit to be placed, and two cone pulleys and connecting rod integrated into one piece are favorable to the slope upset of bracket and riding wheel to make the fruit on the fruit support unload more smoothly.

Further, toggle mechanism including dialling arm, magnet piece, electro-magnet and elastic component, dial the middle part of arm with the frame is articulated, the magnet piece with dial the one end fixed connection of arm, the electro-magnet with the magnet piece interval sets up relatively, be equipped with the pterygoid lamina on the bracket, dial the other end of arm can with the lower surface butt of pterygoid lamina, the both ends of elastic component respectively with dial the arm and frame fixed connection. The electromagnet is electrically connected with the detection and identification device, the power-on and power-off of the electromagnet are controlled through the detection and identification device, the rotation of the shifting arm is controlled through the attraction of the electromagnet to the magnet block, so that the shifting arm can shift the bracket and the supporting wheel to tilt and overturn, and after the electromagnet is powered off, the elastic piece pushes the shifting arm after rotation to reset.

Further, above-mentioned fruit letter sorting equipment still includes fruit support anti-deviation wheel, fruit support anti-deviation wheel with the transfer gear coaxial fixed connection of conveying chain, fruit support anti-deviation wheel with the lower surface butt of the pterygoid lamina of conveying chain department. The two conveying wheels of the conveying chain are respectively provided with a fruit support deviation prevention wheel, the bracket and the supporting wheel of the fruit support are inclined and overturned when the fruit support is unloaded, and the fruit support deviation prevention wheels correct the bracket through wing plates of the bracket, so that the bracket and the supporting wheel are reset to a supporting position.

Furthermore, the fruit sorting equipment further comprises a supporting wheel driving mechanism, the supporting wheel driving mechanism is arranged beside the conveying chain and comprises driving tracks, driving wheels and a driving piece, the two driving wheels are arranged in parallel at intervals along the movement direction of the conveying chain and are rotationally connected with the rack, the driving tracks are sleeved on the two driving wheels, the driving tracks are abutted against the supporting wheels, the driving piece is fixedly arranged on the rack, and the driving piece is in driving connection with one of the driving wheels. Besides the conveying chain of the detection and recognition device, the supporting wheel driving mechanism drives the supporting wheels to rotate, so that the fruits between the supporting wheels rotate, and the detection and recognition device can conveniently detect and recognize the fruits in an all-round manner. In this embodiment, the drive track is in the opposite direction to the conveyor chain.

Further, above-mentioned fruit sorting equipment still includes the feed chute, the feed chute is located the top of conveying chain. A feed chute is provided to facilitate feeding of the fruit trays on the conveyor chain.

By adopting the technical scheme, compared with the prior art, the invention has the beneficial effects that:

1. the fruits on the fruit support are conveyed through the conveying chain, the shifting mechanism acts, so that the fruits on the fruit support fall into the fruit outlet groove, the fruits with different sizes and different qualities fall into the corresponding fruit outlet groove according to set classification, and accurate sorting is achieved. Compared with manual workshop type manual sorting, the sorting efficiency is greatly improved, the labor cost is saved, and sorting and classification are accurate by automatically identifying fruits; compare and only rely on the size of fruit to carry out the screening formula letter sorting, sort multiple types, can satisfy the demand of carrying out accurate letter sorting to the fruit quality.

2. By arranging the abutting block to be abutted and matched with the step, the structure is stable when the bracket is positioned at the supporting position, and stable fruit conveying is facilitated; through setting up the stabilizing block for when the bracket is in the support position, the structure is further stable, and the transportation of fruit is also more stable.

3. The driving track through the riding wheel driving mechanism drives the riding wheels to rotate, so that the fruits between the riding wheels rotate, and the detection and identification device is convenient to detect and identify the fruits in an all-round mode.

4. The structure is flexible and reliable, and the application is wide.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a front view of the fruit tray of the present invention;

FIG. 5 is a view taken along line C of FIG. 4;

FIG. 6 is a cross-sectional view taken along line D-D of FIG. 4;

FIG. 7 is a top view of the fruit tray of the present invention;

FIG. 8 is a front view of the support frame of the fruit tray of the present invention;

fig. 9 is a front view of the idler of the fruit tray of the present invention.

Reference numerals:

a frame 1;

the fruit-bearing machine comprises a conveying mechanism 2, a conveying chain 21, a fruit bearing 22, a bearing wheel 221, a conical wheel 2211, a connecting rod 2212, a bracket 222, a supporting rod 2221, a first position 2221A, a second position 2221B, a resisting block 2222, a stabilizing block 2223, a blocking rod 2224, a material guiding plate 2225, a wing plate 2226, a supporting frame 223, a through hole 223a, a supporting block 2231 and a step 2231A;

the toggle mechanism 3, the toggle arm 31, the magnet block 32, the electromagnet 33 and the elastic piece 34;

a fruit outlet groove 4;

a fruit support deviation prevention wheel 5;

the tray driving mechanism 6, a driving track 61, a driving wheel 62 and a driving piece 63;

a feed chute 7;

the identification device 100 is detected.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 and 2, the fruit sorting apparatus provided in this embodiment includes a frame 1, a conveying mechanism 2, a shifting mechanism 3, and a fruit outlet slot 4.

The frame 1 is fixedly arranged on the ground.

Referring to fig. 4, 5 and 7, the conveying mechanism 2 includes a conveying chain 21 and fruit supports 22, the conveying chain 21 is disposed on the frame 1, the fruit supports 22 are fixed on the conveying chain 21, a plurality of fruit supports 22 are arranged on the conveying chain 21 at intervals, and a fruit can be supported between every two adjacent fruit supports 22. The conveying chain 21 moves to convey the fruit on the fruit tray 22, a detection and recognition device 100 is arranged above the conveying chain 21, and the fruit is recognized and recorded when passing below the detection and recognition device 100. Specifically, the fruit tray 22 includes a supporting roller 221, a bracket 222 and a supporting frame 223, the supporting frame 223 is fixedly connected with the conveying chain 21, the supporting roller 221 is rotatably connected with the bracket 222, the bracket 222 is movably connected with the supporting frame 223, and the bracket 222 has a supporting position and a discharging position relative to the supporting frame 223. When the carriage 222 is in the support position, fruit is normally transported; when the tray 222 is in the discharge position, the tray 222 is tilted relative to the support 223 to dump the fruit into the fruit bowl 4.

Referring to fig. 6 and 8, a through hole 223a is formed on the support frame 223, a support bar 2221 is disposed on the bracket 222, the support bar 2221 passes through the through hole 223a, the support bar 2221 has a first position 2221A and a second position 2221B in the through hole 223a, the aperture of the two ends of the through hole 223a gradually increases on the vertical plane, the first position 2221A is when the support bar 2221 is parallel to the through hole 223a, the second position 2221B is when the support bar 2221 is inclined to the through hole 223a and the support bar 2221 abuts against the inner wall of the through hole 223a, the first position 2221A corresponds to the support position of the bracket 222, and the second position 2221B corresponds to the discharge position of the bracket 222; a support block 2231 is arranged on the support frame 223, a step 2231A is arranged on the support block 2231, a resisting block 2222 is arranged on the bracket 222, and when the support bar 2221 is located at the first position 2221A in the through hole 223a, the resisting block 2222 is abutted and matched with the step 2231A. The diameter of the through hole 223a is larger than that of the support rod 2221, so that the support rod 2221 can move in the through hole 223a, the diameters of the two ends of the through hole 223a are gradually increased on the vertical plane, and the support rod 2221 can tilt on the vertical plane of the through hole 223a by taking the middle of the through hole 223a as a hinge point; the abutting block 2222 is disposed to abut against and cooperate with the step 2231A, so that when the bracket 222 is located at the supporting position corresponding to the first position 2221A, the structure is stable, and stable transportation of the fruit is facilitated.

Of course, as a further preferred solution, the bracket 222 may further be provided with a stabilizing block 2223, and when the supporting rod 2221 is located at the first position 2221A in the through hole 223a, the stabilizing block 2223 abuts against the supporting frame 223. The stabilizing block 2223 is provided to further stabilize the structure and transport the fruit when the bracket 222 is at the supporting position corresponding to the first position 2221A. In this embodiment, the bracket 222 is further provided with a stop bar 2224, the stop bar 2224 can abut against the support block 2231 on the support frame 223, when the fruit tray 22 moves to the lower side of the conveying chain 21 along with the conveying chain 21, the bracket 222 and the supporting roller 221 are supported by the support frame 223 and become suspended by the support frame 223, and the stop bar 2224 abuts against the support block 2231 to prevent the bracket 222 and the supporting roller 221 from rotating too much relative to the support frame 223 and causing the bracket 222 and the supporting roller 221 to fall back to the support position. A material guide 2225 is further provided on the bracket 222, and the material guide 2225 is provided to guide the fruit into between the idlers 221.

Referring to fig. 9, the supporting roller 221 includes two conical rollers 2211 and a connecting rod 2212, the two conical rollers 2211 are opposite and coaxially connected through the connecting rod 2212, and the two conical rollers 2211 and the connecting rod 2212 are integrally formed to form a shape with two large ends and a small middle. The two ends are large, the middle is small, the stable placement of fruits is facilitated, the integral forming of the two conical wheels 2211 and the connecting rod 2212 is beneficial to the integral inclined turnover of the bracket 222 and the supporting wheel 221, and therefore the fruit on the fruit support 22 can be discharged more smoothly.

Referring to fig. 2, the shifting mechanism 3 is disposed on the frame 1, and the shifting mechanism 3 shifts the fruit tray 22 to turn over the fruit on the fruit tray 22. Specifically, the toggle mechanism 3 includes a toggle arm 31, a magnet block 32, an electromagnet 33 and an elastic member 34, the middle portion of the toggle arm 31 is hinged to the frame 1, the magnet block 32 is fixedly connected to one end of the toggle arm 31, the electromagnet 33 and the magnet block 32 are oppositely disposed at an interval, a wing plate 2226 is disposed on the bracket 222, the other end of the toggle arm 31 can be abutted to the lower surface of the wing plate 2226, and two ends of the elastic member 34 are respectively fixedly connected to the toggle arm 31 and the frame 1. The electromagnet 33 is electrically connected with the detection and recognition device 100, the power on/off of the electromagnet 33 is controlled by the detection and recognition device 100, and the attraction of the electromagnet 33 to the magnet block 32 controls the rotation of the toggle arm 31, so that the toggle arm 31 toggles the bracket 222 and the riding wheel 221 to tilt and turn over, and after the electromagnet 33 is powered off, the elastic piece 34 pushes the pivoted toggle arm 31 to reset. In this embodiment, the elastic member 34 is a coil spring. Including a plurality of toggle mechanisms 3 in this embodiment, a plurality of toggle mechanisms 3 are arranged along the even interval of transfer chain 21, and every toggle mechanism 3's electro-magnet 33 all with detection recognition device 100 electric connection, detect recognition device 100 through controlling a plurality of toggle mechanisms 3 to realize the fruit classification of different specifications.

The fruit outlet groove 4 is arranged below the shifting mechanism 3 and receives the fruit which is shifted by the shifting mechanism 3 to the fruit support 22 and falls off from the fruit support 22. Every toggle mechanism 3 department all is equipped with a fruit groove 4, detects recognition device 100 through controlling a plurality of toggle mechanisms 3, sorts the fruit classification entering different fruit grooves 4 of different specifications.

Of course, the fruit sorting equipment may further include a fruit tray deviation prevention wheel 5, the fruit tray deviation prevention wheel 5 is coaxially and fixedly connected with the conveying wheel of the conveying chain 21, and the fruit tray deviation prevention wheel 5 abuts against the lower surface of the wing plate 2226 at the conveying wheel of the conveying chain 21. The two conveying wheels of the conveying chain 21 are respectively provided with a fruit tray deviation prevention wheel 5, the bracket 222 and the supporting wheel 221 of the fruit tray 22 are obliquely turned over during discharging, and the fruit tray deviation prevention wheels 5 correct the bracket 222 through the wing plates 2226 of the bracket 222, so that the bracket 222 and the supporting wheel 221 are reset to the supporting position.

Referring to fig. 3, in an embodiment, the fruit sorting apparatus may further include a supporting roller driving mechanism 6, the supporting roller driving mechanism 6 is disposed beside the conveying chain 21, the supporting roller driving mechanism 6 includes a driving rail 61, driving wheels 62 and a driving member 63, the two driving wheels 62 are disposed in parallel and at intervals along the moving direction of the conveying chain 21 and are both rotatably connected to the frame 1, the driving rail 61 is sleeved on the two driving wheels 62, the driving rail 61 abuts against the supporting roller 221, the driving member 63 is fixedly disposed on the frame 1, and the driving member 63 is drivingly connected to one of the driving wheels 62. The supporting roller driving mechanism 6 is arranged beside the conveying chain 21 at the position of the detection and identification device 100, and the driving track 61 of the supporting roller driving mechanism 6 drives the supporting roller 221 to rotate, so that the fruit between the supporting rollers 221 rotates, and the detection and identification device 100 can conveniently detect and identify the whole surface of the fruit in an all-round manner. In this embodiment, the driving member 63 is a motor.

Of course, the fruit sorting equipment can also be provided with a feed chute 7, and the feed chute 7 is arranged above the conveying chain 21. The feed chute 7 is arranged to feed onto the fruit trays 22 on the conveyor chain 21.

Referring to fig. 1 to 9, the fruit sorting apparatus includes:

the fruit enters the conveying chain 21 from the feeding chute 7 and is supported between the two supporting rollers 221, when the fruit is conveyed to the lower part of the detection and identification device 100, the driving part 63 of the supporting roller driving mechanism 6 drives the driving rail 61 to move, so as to drive the supporting rollers 221 to rotate rapidly, so that the fruit between the supporting rollers 221 also rotates rapidly, the detection and identification device 100 detects and identifies the whole surface of the fruit in all directions, the detection and identification device 100 records the size specification and quality of the fruit, determines the fruit outlet chute 4 into which the fruit should enter, the fruit is conveyed to the fruit outlet chute 4 after being detected and identified, the detection and identification device 100 controls the electromagnet 33 of the stirring mechanism 3 to be powered on, the electromagnet 33 attracts the magnet block 32, so as to drive the stirring arm 31 to rotate, stir the bracket 222 and the supporting rollers 221 to turn obliquely, so that the fruit on the supporting rollers 221 falls into the fruit outlet chute 4, and the fruits with different sizes and different qualities fall into the corresponding fruit outlet chutes 4, thereby smoothly realizing the sorting of the fruits.

According to the fruit sorting equipment, the fruits on the fruit support 22 are conveyed through the conveying chain 21, the shifting mechanism 3 acts to enable the fruits on the fruit support 22 to fall into the fruit outlet grooves 4, and the fruits with different sizes and different qualities fall into the corresponding fruit outlet grooves 4 according to set classification, so that accurate sorting is achieved, sorting efficiency is greatly improved, labor cost is saved, and sorting and classification are accurate through automatic fruit identification; compared with the method that the fruits are sorted in a screening mode only by the sizes of the fruits, the sorting type is complete, and the requirement for accurately sorting the fruit quality can be met; by arranging the abutting block 2222 to abut against and match with the step 2231a, the bracket 222 is stable in structure when in the supporting position, which is beneficial to stable fruit conveying; by arranging the stabilizing block 2223, when the bracket 222 is in the supporting position, the structure is further stabilized, and the fruit is more stably conveyed; the riding wheels 221 are driven to rotate by the driving tracks 61 of the riding wheel driving mechanism 6, so that the fruits among the riding wheels 221 rotate, and the detection and identification device 100 can conveniently detect and identify the fruits on all surfaces in an omnibearing manner; the structure is flexible and reliable, the application is wide, and the fruit or melon and fruit vegetable sorting device is worthy of popularization and application in domestic enterprises for sorting fruits or melons, fruits and vegetables.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; 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; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. A fruit sorting apparatus, comprising:

a frame;

the shifting mechanism is arranged on the rack and shifts the fruit support to turn over so as to turn down the fruits on the fruit support; and

2. The fruit sorting equipment according to claim 1, wherein the fruit tray comprises a supporting wheel, a bracket and a supporting frame, the supporting frame is fixedly connected with the conveying chain, the supporting wheel is rotatably connected with the bracket, the bracket is movably connected with the supporting frame, and the bracket has a supporting position and a discharging position relative to the supporting frame.

3. The fruit sorting equipment according to claim 2, wherein the support frame is provided with a through hole, the bracket is provided with a support rod, the support rod passes through the through hole, the support rod is provided with a first position and a second position in the through hole, the hole diameters of two ends of the through hole are gradually increased on a vertical plane, the support rod is in the first position when being parallel to the through hole, the support rod is in the second position when being inclined to the through hole and abutting against the inner wall of the through hole, the first position corresponds to the support position of the bracket, and the second position corresponds to the unloading position of the bracket; the support frame is provided with a support block, the support block is provided with a step, the bracket is provided with a support block, and when the support rod is located at the first position in the through hole, the support block is in butt fit with the step.

4. Fruit sorting plant according to claim 3, characterized in that the carrier is further provided with a stabilizing block which abuts against the support frame when the support bar is in the first position in the through hole.

5. The fruit sorting apparatus according to claim 2, wherein the idler comprises two cone-shaped wheels and a connecting rod, the two cone-shaped wheels are opposite and coaxially connected through the connecting rod, and the two cone-shaped wheels and the connecting rod are integrally formed to form a shape with two large ends and a small middle.

6. The fruit sorting device according to claim 2, wherein the toggle mechanism comprises a toggle arm, a magnet block, an electromagnet and an elastic member, the middle part of the toggle arm is hinged to the frame, the magnet block is fixedly connected with one end of the toggle arm, the electromagnet and the magnet block are oppositely arranged at intervals, a wing plate is arranged on the bracket, the other end of the toggle arm can be abutted against the lower surface of the wing plate, and two ends of the elastic member are respectively fixedly connected with the toggle arm and the frame.

7. The fruit sorting apparatus according to claim 6, further comprising a fruit tray deviation prevention wheel, wherein the fruit tray deviation prevention wheel is coaxially and fixedly connected with the conveying wheel of the conveying chain, and the fruit tray deviation prevention wheel abuts against the lower surface of the wing plate at the conveying wheel of the conveying chain.

8. The fruit sorting equipment according to claim 2, further comprising a supporting wheel driving mechanism, wherein the supporting wheel driving mechanism is disposed beside the conveying chain, the supporting wheel driving mechanism comprises a driving rail, two driving wheels and a driving member, the two driving wheels are arranged in parallel and at intervals along the moving direction of the conveying chain and are both rotatably connected with the frame, the driving rail is sleeved on the two driving wheels, the driving rail abuts against the supporting wheel, the driving member is fixedly disposed on the frame, and the driving member is in driving connection with one of the driving wheels.

9. The fruit sorting apparatus of claim 1, further comprising a feed chute disposed above the conveyor chain.