Removing mechanism and fruit and vegetable sorting machine

Abstract

The utility model relates to the field of sorting machines, and discloses a rejecting mechanism and a fruit and vegetable sorting machine, the rejecting mechanism comprises a rack, a driving device, a conveying belt and a blowing device, the driving device is installed on the rack, the driving device is connected to the conveying belt, the driving device is used for driving the conveying belt to move, the conveying belt is provided with through holes, and the conveying belt comprises a rejecting section and a recycling section; the removing section is connected with the recycling section; the blowing device is installed on the rack, located below the removing section and used for blowing air to the removing section. And if the fruits and vegetables are clamped on the through holes, the blowing device can blow air to the through holes, and the fruits and vegetables clamped in the through holes are blown away, so that the fruits and vegetables enter the next operation process under the action of the conveying belt.

Description

TECHNICAL FIELD

[0001] The utility model relates to fruit and vegetable sorting machine field, in particular to a kind of reject mechanism and fruit and vegetable sorting machine. BACKGROUND

[0002] With the pursuit of people to the quality of life, more and more people gradually increase the quality requirements of fruit and vegetable, and fruit and vegetable sorting becomes an important technology.

[0003] At present, some small berries on the market, for example: blueberry, cherry, etc. berry, in the sorting process, need to use reject mechanism to remove small size berries first.

[0004] The reject mechanism includes a conveyor belt, a plurality of through holes are formed on the surface of the conveyor belt, when the berries pass through the through holes, the berries with a size smaller than the through holes will fall from the through holes, and the berries with a size larger than the through holes will be conveyed to the next operation process by the conveyor belt.

[0005] However, some berries are easily stuck in the through holes, which causes these stuck berries to be unable to be conveyed to the next operation process by the conveyor belt. INVENTION CONTENTS

[0006] The utility model embodiment aims to provide a kind of reject mechanism and fruit and vegetable sorting machine, to solve the technical problems that some berries are easily stuck in the through holes in prior art and cause these stuck berries to be unable to be conveyed to the next operation process by the conveyor belt.

[0007] To solve the above technical problems, the utility model provides a kind of reject mechanism, comprising: rack;Drive device, the drive device is installed on the rack;Conveyor belt, the drive device is connected to the conveyor belt, and the drive device is used to drive the conveyor belt to move, the conveyor belt is equipped with through hole, and the conveyor belt includes reject section and recovery section, and the reject section is connected with the recovery section;Air blowing device, the air blowing device is installed on the rack, and the air blowing device is located below the reject section, and the air blowing device is used to blow the reject section.

[0008] Through the above structure, when fruit and vegetable are stuck on the through hole, the air blowing device blows the through hole, blows fruit and vegetable, promotes fruit and vegetable to leave the through hole and leaves the conveyor belt under the action of the conveyor belt.

[0009] In some embodiments, the air blowing device includes a gas pump and a blowing pipe, the gas pump is connected to the blowing pipe, the blowing pipe is provided with an exhaust hole, the exhaust hole is directed to the reject section;The through hole is arranged in matrix, the exhaust hole is linearly arranged, and any one exhaust hole is directed to the corresponding through hole.

[0010] Through the above structure, the exhaust hole is oriented to the rejection section, so that the blown gas moves in the direction of the rejection section, ensuring that the fruit and vegetable stuck in the through hole can be blown by the gas exhaust pipe. The purpose of arranging the through holes in a matrix is to increase the rejection range and ensure that small-sized fruit and vegetable is fully rejected; the exhaust hole is arranged in a linear arrangement, which is convenient for the linear arrangement of the exhaust hole to align with one column or one row of through holes.

[0011] In some embodiments, the gas outlet direction of the exhaust hole and the conveying direction of the rejection section form a preset acute angle.

[0012] Through the above structure, the gas outlet direction of the exhaust hole and the conveying direction of the rejection section form an acute angle, so that the stuck fruit and vegetable can have a greater speed when it is separated from the through hole, and the fruit and vegetable can accelerate to leave the conveying belt.

[0013] In some embodiments, the rejection mechanism further comprises a turning assembly and a collection device, the turning assembly is installed on the rack, the turning assembly comprises a first turning roller and a second turning roller, the conveying direction of the rejection section is along the second turning roller to the first turning roller, the recovery section is provided with two, two recovery sections are respectively connected to the opposite sides of the rejection section, and the connection parts of the rejection section and the recovery section are respectively arranged around the first turning roller and the second turning roller; the recovery section and the rejection section have a receiving gap therebetween, the collection device is arranged in the receiving gap, and the collection device is used for collecting the rejected fruit and vegetable; and the air blowing device is located in the receiving gap.

[0014] Through the above structure, the recovery section and the rejection section are turned by the turning rollers. The collection device is arranged in the receiving gap, and the air blowing device is located in the receiving gap, which is arranged for the purpose of facilitating the miniaturization of the rejection mechanism.

[0015] In some embodiments, the air blowing pipe is located on the side of the first turning roller facing the second turning roller, and the air blowing pipe is located at the end of the rejection section close to the first turning roller.

[0016] Through the above structure, after the fruit and vegetable stuck on the through hole is blown away, the fruit and vegetable can immediately leave the conveying belt.

[0017] In some embodiments, the air blowing pipe is in a triangular prism shape, the air blowing pipe is provided with a pressure accumulation cavity, the pressure accumulation cavity is in communication with the exhaust hole, the cross section of the pressure accumulation cavity along the conveying direction of the rejection section is an obtuse triangle, the long side of the obtuse triangle faces away from the first turning roller, one short side of the obtuse triangle abuts against the rack, and the top corner of the obtuse triangle facing away from the collection device is located on the straight line formed by the arrangement of the exhaust hole.

[0018] Through the above structure, the gas can be stored in the pressure storage cavity; the obtuse angle triangle has a long side facing away from the first deflection roller, one short side of the obtuse angle triangle abuts against the rack, and the top angle of the obtuse angle triangle facing away from the collecting device is located on a straight line formed by the exhaust hole arrangement, so that the air blowing pipe is conveniently installed on the support, the air outlet direction of the exhaust hole and the conveying direction of the removal section form a preset acute angle, and the top angle of the obtuse angle triangle facing away from the collecting device is located on a straight line formed by the exhaust hole arrangement, so that the gas stored in the pressure storage cavity is blown out in a direction in which the space gradually decreases, a greater air blowing speed can be obtained, and the fruits and vegetables stuck on the through hole are more easily blown away.

[0019] In some embodiments, the collecting device comprises a transfer belt and a driving assembly, the transfer belt is arranged in the accommodation gap, and the transfer belt is used for transferring the removed fruits and vegetables; the driving assembly is connected to the transfer belt, and the driving assembly is used for driving the transfer belt to move.

[0020] Through the above structure, the movement direction of the transfer belt and the conveying direction of the removal section have a preset included angle, which is beneficial to the transmission of the fruits and vegetables falling from the through hole through the transfer belt.

[0021] In some embodiments, the collecting device further comprises a collecting support and a guide plate, the transfer belt is sleeved on the collecting support, one end of the guide plate is installed on the rack and located on the side of the removal section facing the recovery section, the other end of the guide plate is installed on the collecting support, the guide plate is provided with two, and the distance between the two guide plates gradually decreases vertically downward.

[0022] Through the above structure, the guide plate has a guiding effect, the distance between the two guide plates gradually decreases vertically downward, so that the blueberries falling from the removal section can fall onto the transfer belt under the guiding effect of the guide plate, and the blueberries are prevented from separating from the removal mechanism.

[0023] In some embodiments, the collecting support is provided with a clamping groove, the guide plate comprises a guide portion and a clamping portion, the guide portion is connected to the clamping portion, the clamping portion is located on the side of the guide portion away from the removal section, and the clamping portion is accommodated in the clamping groove.

[0024] Through the above structure, the clamping of the clamping portion and the clamping groove facilitates the quick installation and disassembly of the guide plate.

[0025] The utility model also provides a fruit and vegetable sorting machine, including the removal mechanism that any one embodiment of above said.

[0026] Compared with the prior art, in the embodiment of the utility model, the blowing device can blow the through hole, blow away the berry stuck in the through hole, and then the berry leaves the conveying belt and enters the next operation process under the action of the conveying belt, so that the berry stuck in the through hole can not be conveyed to the next operation process by the conveying belt. BRIEF DESCRIPTION OF DRAWINGS

[0027] One or several embodiments are exemplarily illustrated by pictures in the drawings corresponding to the embodiments, and the exemplarily illustrations do not constitute limitation on the embodiments, elements with the same reference numerals in the drawings represent similar elements, unless specially stated, the drawings do not constitute proportional limitation.

[0028] Figure 1 is the structural schematic view of the rejecting mechanism provided in an embodiment of the utility model;

[0029] Figure 2 is Figure 1 the structural explosion schematic view of part of the rejecting mechanism in the utility model;

[0030] Figure 3 is Figure 2 the structural enlarged schematic view of part A in the utility model;

[0031] Figure 4 is Figure 1 the structural schematic view of the rejecting section and the blowing pipe in the utility model;

[0032] Figure 5 is Figure 1 the schematic view of the blowing pipe gas outlet direction and the rejecting section conveying direction in the utility model;

[0033] Figure 6 is Figure 1 the structural schematic view of the rack and the steering assembly in the utility model;

[0034] Figure 7 is Figure 1 the cross-sectional structural schematic view of the blowing pipe in the utility model;

[0035] Figure 8 is Figure 1 the side view of the rack in the utility model;

[0036] Figure 9 is Figure 1 the structural schematic view of the guide plate in the utility model.

[0037] The reference numerals are as follows:

[0038] 100, rejection mechanism; 10, rack; 20, driving device; 30, conveying belt; 31, through hole; 32, rejection section; 33, recycling section; 34, containing gap; 40, air blowing device; 41, air pump; 42, air blowing pipe; 421, exhaust hole; 50, turning assembly; 51, first turning roller; 52, second turning roller; 60, collecting device; 61, transfer belt; 62, driving assembly; 63, collecting support; 631, clamping groove; 64, guide plate; 641, guide part; 642, clamping part; 643, shielding part; 644, guide groove. DETAILED DESCRIPTION

[0039] For the convenience of understanding the present application, the present application will be described in more detail below in conjunction with the drawings and specific embodiments. It should be noted that when an element is described as being "connected" to another element, it can be directly on the other element or one or more intervening elements can be present therebetween. The terms "upper", "lower", "left", "right", "upper end", "lower end", "top" and "bottom" and the like used in the specification indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0040] Unless otherwise defined, all technical and scientific terms used in the specification are the same as those commonly understood by a person skilled in the art of the present application. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments and are not intended to limit the present application.

[0041] Please refer to Figure 1 and Figure 2 , Figure 1 is a structural schematic diagram of a rejection mechanism provided in an embodiment of the present application; Figure 2 is Figure 1 a structural explosion schematic diagram of part of the rejection mechanism.

[0042] An embodiment of the present application provides a rejection mechanism 100, which comprises a rack 10, a driving device 20, a conveying belt 30 and an air blowing device 40. The driving device 20 is installed on the rack 10, the driving device 20 is connected to the conveying belt 30, and the driving device 20 is used to drive the conveying belt 30 to move. The conveying belt 30 is provided with a through hole 31, and the conveying belt 30 comprises a rejection section 32 and a recycling section 33, and the rejection section 32 is connected to the recycling section 33. The air blowing device 40 is installed on the rack 10, the air blowing device 40 is located below the rejection section 32, and the air blowing device 40 is used to blow air to the rejection section 32.

[0043] Here, it needs to be explained that the conveying belt 30 is used to convey fruits and vegetables, and the fruits and vegetables are not limited, and in this embodiment, the conveyed fruits and vegetables are exemplified by blueberries.

[0044] Specifically, the blueberries are placed on the conveying belt 30, and the blueberries move along the conveying direction under the action of the conveying belt 30. The small-sized blueberries will fall from the through holes 31, and the large-sized blueberries will be conveyed to the next operation process by the conveying belt 30. If some blueberries are stuck on the through holes 31, the blowing device 40 blows the through holes 31 to blow the blueberries and promote the blueberries to leave the through holes 31 and leave the conveying belt 30 under the action of the conveying belt 30 to enter the next operation process, thereby completing the rejection of the blueberries.

[0045] In addition, it needs to be additionally explained that the conveying belt 30 includes a rejection section 32 and a recovery section 33, and the rejection section 32 and the recovery section 33 are both provided with the through holes 31. The conveying belt 30 is used in a loop motion, the blowing device 40 blows the rejection section 32, and the recovery section 33 is used for the loop of the conveying belt 30. The driving device 20 adopts a motor or other driving elements.

[0046] Referring to Figure 2 , Figure 3 and Figure 4 , Figure 3 is a structure enlarged view of part A in Figure 2 ; Figure 4 is a simple schematic view of the rejection section and the blowing pipe in Figure 1 .

[0047] In one embodiment, the blowing device 40 includes a gas pump and a blowing pipe 41, the gas pump is connected to the blowing pipe 41, the blowing pipe 41 is provided with exhaust holes 411, and the exhaust holes 411 are directed to the rejection section 32. The through holes 31 are arranged in a matrix, the exhaust holes 411 are arranged in a line, and any one of the exhaust holes 411 is directed to a corresponding through hole 31.

[0048] Specifically, the gas pump is used to input gas, the blowing pipe 41 is used to output gas, the gas is discharged from the exhaust holes 411, and the exhaust holes 411 are directed to the rejection section 32, so that the blown gas moves in the direction of the rejection section 32, and the blueberries stuck in the through holes 31 can be blown by the gas discharged from the blowing pipe 41. It needs to be explained that the gas pump is not shown.

[0049] In addition, for the convenience of understanding, any one of the exhaust holes 411 is directed to a corresponding through hole 31, and referring to Figure 4 , the distance between any two adjacent exhaust holes 411 is d, and the distance between any two adjacent rows of through holes 31 is D, and preferably, d is equal to D. The purpose is to enable each exhaust hole 411 to face a corresponding through hole 31, thereby ensuring that the blueberries stuck in the through holes 31 are blown away from the through holes 31.

[0050] In some other embodiments, d is less than D, so that one exhaust hole 411 blows air to multiple corresponding through holes 31.

[0051] In some other embodiments, d is greater than D, so that one exhaust hole 411 blows air to multiple corresponding through holes 31.

[0052] The through holes 31 are arranged in a matrix, and the exhaust holes 411 are arranged in a linear array, so that the exhaust holes 411 arranged in a linear array are aligned with one column or one row of through holes 31.

[0053] Referring to Figure 2 , Figure 3 and Figure 5 , Figure 5 is a schematic view of the air outlet direction of the air blowing pipe and the conveying direction of the removing section in Figure 1 .

[0054] In one embodiment, the air outlet direction of the exhaust hole 411 and the conveying direction of the removing section 32 form a preset acute angle.

[0055] Specifically, referring to the accompanying Figure 5 , the blueberries have an initial speed when entering the removing section 32, and the air outlet direction of the exhaust hole 411 and the conveying direction of the removing section 32 form an acute angle, so that the stuck blueberries can have a greater speed when leaving the through hole 31, and the blueberries can accelerate to leave the conveying belt 30. If the air outlet direction of the exhaust hole 411 and the conveying direction of the removing section 32 form a right angle, then the blueberries on the removing section 32 will be decelerated; similarly, if the air outlet direction of the exhaust hole 411 and the conveying direction of the removing section 32 form an obtuse angle, the blueberries on the conveying belt 30 will also be decelerated. Therefore, the air outlet direction of the exhaust hole 411 and the conveying direction of the removing section 32 preferably form an acute angle.

[0056] Referring to Figure 1 and Figure 6 , Figure 6 is a structural schematic view of the rack and the steering assembly in Figure 1 .

[0057] In one embodiment, the removing mechanism 100 further comprises a turning assembly 50 and a collecting device 60, the turning assembly 50 is installed on the frame 10, the turning assembly 50 comprises a first turning roller 51 and a second turning roller 52, the conveying direction of the removing section 32 is along the second turning roller 52 to the first turning roller 51, two recovery sections 33 are arranged on opposite sides of the removing section 32 respectively, and the connecting positions of the removing section 32 and the recovery sections 33 are arranged around the first turning roller 51 and the second turning roller 52 respectively; the recovery sections 33 and the removing section 32 have a receiving gap 34 therebetween, the collecting device 60 is arranged in the receiving gap 34, the collecting device 60 is used for collecting the removed fruits and vegetables, and the air blowing device 40 is arranged in the receiving gap 34.

[0058] Specifically, the conveying route of the conveying belt 30 is approximately triangular to reduce the occupied space of the conveying belt 30. The first turning roller 51 and the second turning roller 52 are used for turning the conveying belt 30, and the first turning roller 51 and the second turning roller 52 are arranged between the recovery sections 33 and the removing section 32. The collecting device 60 is arranged in the receiving gap 34, and the air blowing device 40 is arranged in the receiving gap 34. The arrangement is to facilitate the miniaturization of the removing mechanism 100.

[0059] The collecting device 60 can recover the blueberries that do not meet the size, i.e., the blueberries falling from the through holes 31.

[0060] Referring to Figure 6 In one embodiment, the air blowing pipe 41 is arranged on the side of the first turning roller 51 facing the second turning roller 52, and the air blowing pipe 41 is arranged at the end of the removing section 32 close to the first turning roller 51.

[0061] Specifically, the blueberries stuck in the through holes 31 can be blown away by the air blowing pipe 41 arranged at the end of the removing section 32, and then the blueberries can leave the conveying belt 30. If the air blowing pipe 41 is arranged at the end of the conveying belt 30 close to the second turning roller 52, the blueberries may be blown away from one through hole 31 and stuck in another through hole 31, and finally the blueberries are difficult to leave the conveying belt 30.

[0062] Referring to Figure 3 and Figure 7 , Figure 7 is Figure 1 a cross-sectional structure diagram of the air blowing pipe.

[0063] In one embodiment, the blowing pipe 41 is in a triangular prism shape, the blowing pipe 41 is provided with a pressure accumulation cavity 412, the pressure accumulation cavity 412 is communicated with the exhaust hole 411, the cross section of the pressure accumulation cavity 412 along the conveying direction of the removing section 32 is an obtuse triangle, the long side of the obtuse triangle is away from the first turning roller 51, one short side of the obtuse triangle abuts against the rack 10, and the top angle of the obtuse triangle which is away from the collecting device 60 is located on the straight line formed by the arrangement of the exhaust hole 411.

[0064] Through the above structure, the gas can be accumulated in the pressure accumulation cavity 412; the long side of the obtuse triangle is away from the first turning roller 51, one short side of the obtuse triangle abuts against the rack 10, and the top angle of the obtuse triangle which is away from the collecting device 60 is located on the straight line formed by the arrangement of the exhaust hole 411, so that the blowing pipe 41 is conveniently installed on the rack 10, at the same time, the gas outlet direction of the exhaust hole 411 and the conveying direction of the removing section 32 form a preset acute angle, and the top angle of the obtuse triangle which is away from the collecting device 60 is located on the straight line formed by the arrangement of the exhaust hole 411, so that the gas accumulated in the pressure accumulation cavity 412 blows out along the direction in which the space gradually decreases, a greater blowing speed can be obtained, and it is more beneficial to blow the fruits and vegetables stuck on the through hole 31 away.

[0065] Specifically, the blowing pipe 41 is in a hollow structure and is in a triangular prism shape, the cross section of the pressure accumulation cavity along the conveying direction of the removing section 32 is an obtuse triangle, the long side of the obtuse triangle is the side opposite to the obtuse angle of the obtuse triangle, the long side of the obtuse triangle is away from the first turning roller 51, and one short side of the obtuse triangle abuts against the rack 10, so that one side of the blowing pipe 41 in the triangular prism shape abuts against the rack 10, the blowing pipe 41 and the rack 10 are conveniently positioned, and it is beneficial to conveniently install the blowing pipe 41 on the rack 10. The top angle of the obtuse triangle which is away from the collecting device 60 is located on the straight line formed by the arrangement of the exhaust hole 411, that is, the exhaust hole 411 is arranged on one side edge of the blowing pipe 41 in the triangular prism shape, and the side edge is away from the collecting device 60.

[0066] In some other embodiments, the cross section of the blowing pipe 41 can be a sector, a right triangle, etc.

[0067] Referring back to Figure 1 In one embodiment, the collecting device 60 comprises a transfer belt 61 and a driving assembly 62, the transfer belt 61 is arranged in the accommodation gap 34, the transfer belt 61 is used to transfer the removed fruits and vegetables, and the movement direction of the transfer belt 61 and the conveying direction of the removing section 32 have a preset included angle; the driving assembly 62 is connected to the transfer belt 61, and the driving assembly 62 is used to drive the transfer belt 61 to move.

[0068] Through the above structure, the movement direction of the transfer belt 61 and the conveying direction of the removing section 32 have a preset included angle, which is beneficial to the transmission of the fruits and vegetables falling from the through hole 31 through the transfer belt 61.

[0069] Specifically, the moving direction of the transfer belt 61 and the conveying direction of the rejection section 32 are perpendicular to each other, which is conducive to the size miniaturization of the rejection mechanism 100.

[0070] In addition, the driving assembly 62 can adopt a motor or other driving elements.

[0071] Referring to Figure 1 , Figure 8 and Figure 9 , Figure 7 is Figure 1 a side view of the rack in FIG. 1, Figure 9 is Figure 1 a structural schematic view of the guide plate in FIG. 1.

[0072] In an embodiment, the collecting device 60 further comprises a collecting support 63 and a guide plate 64, the transfer belt 61 is sleeved on the collecting support 63, one end of the guide plate 64 is installed on the rack 10 and located on the side of the rejection section 32 facing the recycling section 33, the other end of the guide plate 64 is installed on the collecting support 63, the guide plate 64 is provided with two, and the distance between the two guide plates 64 gradually decreases in a vertical downward direction.

[0073] Specifically, the guide plate 64 has a guiding effect, the rejection section 32 is located between the two guide plates 64, and the guide plate 64 is arranged obliquely, so that the blueberries falling from the rejection section 32 can fall into the transfer belt 61 under the guiding effect of the guide plate 64, avoiding the blueberries from leaving the rejection mechanism 100.

[0074] In an embodiment, the collecting support 63 is provided with a clamping groove 631, the guide plate 64 comprises a guiding portion 641 and a clamping portion 642, the guiding portion 641 is connected to the clamping portion 642, the clamping portion 642 is located on the side of the guiding portion 641 away from the rejection section 32, and the clamping portion 642 is accommodated in the clamping groove 631.

[0075] Specifically, through the clamping of the clamping portion 642 and the clamping groove 631, the guide plate 64 can be quickly installed and disassembled; the clamping portion 642 and the guiding portion 641 are an integrated structure, which is convenient for production and manufacturing.

[0076] In an embodiment, the guide plate 64 further comprises a shielding portion 643, the shielding portion 643 is provided with two, the two shielding portions 643 are respectively connected to the opposite sides of the guiding portion 641, the two shielding portions 643 are arranged in an extending direction away from the guiding portion 641, and the shielding portion 643 and the clamping portion 642 are respectively located on the opposite sides of the guiding portion 641.

[0077] Specifically, the shielding portions 643 are substantially plate-shaped, and two shielding portions 643 are respectively connected to the edge positions on the opposite sides of the guide portion 641, so that the dropped blueberries from the through hole 31 cannot fall off the guide plate 64 from the guide portion 641. The two shielding portions 643 and the guide portion 641 form a guide groove 644, and the shielding portion 643 and the clamping portion 642 are respectively located on the upper and lower sides of the guide portion 641, so that the opening of the clamping groove 631 is not communicated with the guide groove 644, thereby avoiding the blueberries from falling into the clamping groove 631.

[0078] The utility model also provides a kind of fruit and vegetable sorting machine, including the rejecting mechanism in any one implementation of above, fruit and vegetable sorting machine further include feeding mechanism, conveying mechanism and sorting mechanism, feeding mechanism, rejecting mechanism, conveying mechanism and sorting mechanism are sequentially connected.

[0079] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model, and not to limit them; under the idea of the utility model, technical features in the above examples or different examples can also be combined, steps can be implemented in any order, and there are many other changes of different parts of the utility model as described above, for simplicity, they are not provided in details; although the utility model is described in detail by referring to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to part of technical features; and these modifications or replacements do not make the essence of corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A reject mechanism, characterized by, The utility model provides a fruit and vegetable sorting device, including: A rack; A driving device mounted on the rack; A conveying belt connected to the driving device, the driving device being used to drive the conveying belt to move, the conveying belt being provided with through holes, the conveying belt including a rejection section and a recycling section, the rejection section being connected to the recycling section; An air blowing device mounted on the rack, the air blowing device being located below the rejection section, the air blowing device being used to blow air to the rejection section.

2. The rejection mechanism of claim 1, wherein, The air blowing device includes an air pump and an air blowing pipe, the air pump being connected to the air blowing pipe, the air blowing pipe being provided with exhaust holes, the exhaust holes facing the rejection section; the through holes being arranged in a matrix, the exhaust holes being arranged linearly, any one of the exhaust holes facing the corresponding through hole.

3. The rejection mechanism of claim 2, wherein, The exhaust holes are arranged at a preset acute angle to the conveying direction of the rejection section.

4. The rejection mechanism of claim 2, wherein, Further including a turning assembly and a collecting device, the turning assembly being mounted on the rack, the turning assembly including a first turning roller and a second turning roller, the conveying direction of the rejection section being along the second turning roller to the first turning roller, the recycling section being provided with two, the two recycling sections being respectively connected to opposite sides of the rejection section, the connection between the rejection section and the recycling section being respectively around the first turning roller and the second turning roller; the recycling section and the rejection section having a receiving gap therebetween, the collecting device being arranged in the receiving gap, the collecting device being used to collect rejected fruits and vegetables; the air blowing device being located in the receiving gap.

5. The rejection mechanism of claim 4, wherein, The air blowing pipe is located on the side of the first turning roller facing the second turning roller, and the air blowing pipe is located at the end of the rejection section close to the first turning roller.

6. The rejection mechanism of claim 4, wherein, The air blowing pipe is in the shape of a triangular prism, the air blowing pipe being provided with a pressure accumulation cavity, the pressure accumulation cavity being in communication with the exhaust holes, the cross section of the pressure accumulation cavity being an obtuse triangle along the conveying direction of the rejection section, the long side of the obtuse triangle facing away from the first turning roller, one short side of the obtuse triangle abutting against the rack, and the top angle of the obtuse triangle facing away from the collecting device being located on the straight line formed by the arrangement of the exhaust holes.

7. The rejection mechanism of claim 4, wherein, The collecting device includes a transfer belt and a driving assembly, the transfer belt being arranged in the receiving gap, the transfer belt being used to transfer the rejected fruits and vegetables, the movement direction of the transfer belt and the conveying direction of the rejection section having a preset included angle; the driving assembly being connected to the transfer belt, the driving assembly being used to drive the transfer belt to move.

8. The rejection mechanism of claim 7, wherein, The collecting device further includes a collecting bracket and a guide plate, the transfer belt being sleeved on the collecting bracket, one end of the guide plate being mounted on the rack and located on the side of the rejection section facing the recycling section, the other end of the guide plate being mounted on the collecting bracket, the guide plate being provided with two, the distance between the two guide plates gradually decreasing vertically downward.

9. The rejection mechanism of claim 8, wherein, The collecting bracket is provided with a clamping groove, the guide plate including a guide part and a clamping part, the guide part being connected to the clamping part, the clamping part being located on the side of the guide part away from the rejection section, the clamping part being accommodated in the clamping groove.

10. A fruit and vegetable sorting machine characterized in that, The culling mechanism according to any one of claims 1 to 9.

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