阅读说明：本技术 一种沃柑采后商品化生产处理设备 (Commercial production and treatment equipment for harvested hybrid oranges ) 是由 冯春梅 黎新荣 莫天坤 程三红 李建强 檀业维 王淋靓 郝小玲 荣涛 刘帅民 于 2021-05-31 设计创作，主要内容包括：一种沃柑采后商品化生产处理设备,沃柑通过供料装置、喷淋清洗装置、喷淋灭菌装置、水幕保鲜装置、烘干装置和果品分选装置依次进行清洗、灭菌、保鲜、烘干去除表面水后进入到果品分选装置,实现沃柑的一体式商品化分级处理,提高工作效率。无需喷蜡装置、浸泡清洗装置等,直接通过水幕平台把清洗后的沃柑进行循环水幕灭菌保鲜处理,即避免沃柑在保鲜液中长时间浸泡,又解决用喷洒保鲜的方式造成的保鲜剂喷洒不均匀及不能全方位喷洒的问题。(The utility model provides a fertile oranges commercialized production treatment facility after adopting, fertile oranges pass through feedway, spray belt cleaning device, spray sterilization device, water curtain fresh-keeping device, drying device and fruit sorting unit and wash in proper order, disinfect, keep fresh, dry and get into fruit sorting unit after getting rid of surface water, realize fertile oranges's integral type commercialization hierarchical processing, improve work efficiency. The washed woolly oranges are directly subjected to circulating water curtain sterilization and preservation treatment through the water curtain platform without a wax spraying device, a soaking and cleaning device and the like, so that the woolly oranges are prevented from being soaked in a preservation solution for a long time, and the problems that the preservative is not uniformly sprayed and cannot be sprayed in all directions due to a spraying and preservation mode are solved.)

1. The commercialized production and treatment equipment for the picked oranges is characterized in that the oranges sequentially enter a feeding device, a spraying cleaning device, a spraying sterilization device, a water curtain preservation device and a drying device which are mutually butted through respective roller conveyor belts, a plurality of water curtain platforms are arranged above the roller conveyor belts of the water curtain preservation device, a preservative recovery device is arranged below the roller conveyor belts of the water curtain preservation device, the preservative recovery device comprises a preservative recovery hopper and a preservative recovery tank arranged below the preservative recovery hopper, the preservative recovery tank is connected with the water curtain platforms through a preservative circulating pump, the preservative in the preservative recovery device is pumped to the water curtain platforms through the circulating pump, the preservative forms a plurality of preservative water curtains from the water curtain platforms downwards, and the preservative water curtains converge into the preservative recovery hopper after acting on the oranges.

2. The production and processing equipment for the commercialized picked mandarins according to claim 1, further comprising a fruit sorting device arranged behind the drying device, wherein the fruit sorting device comprises an automatic control host, a fruit cup circulating device and a mandarin orange sorting outlet hole arranged below the fruit cup circulating device, the fruit cup circulating device comprises an infrared monitor, a color selector, a circulating fruit cup chain and fruit cups arranged on the circulating fruit cup chain, the color selector is arranged above the circulating fruit cup chain, the infrared monitor monitors the feeding speed of the circulating fruit cup chain and the positions of the fruit cups, the fruit cups are provided with weight sensors, the top of each mandarin orange sorting outlet hole is provided with an electromagnetic valve, and the infrared monitor, the color selector, the weight sensors and the electromagnetic valves are all connected with the automatic control host; the automatic control host machine carries out color sorting and grading on the Wo oranges in the fruit cups scanned by the color sorter, grades the Wo oranges in the fruit cups measured by the weight sensor, sends an instruction to the circulating fruit cup chain after grade division is obtained, starts the electromagnetic valve of the Wo oranges grading outlet when the circulating fruit cup chain sends the fruit cups to the specified Wo oranges grading outlet, enables the elastic pieces of the electromagnetic valve to bounce, so that the fruit cups incline, and the Wo oranges fall into the specified Wo oranges grading outlet, thereby finishing grading.

3. The apparatus for the commercial production and processing of the picked woolly oranges according to claim 1 or 2, wherein the roller conveyor of the feeding device comprises a horizontal section and an inclined section, and a plastic brush is arranged above the inclined section, and the minimum distance of the plastic brush relative to the inclined section in the vertical direction is more than the average height of the woolly oranges and less than 1.3-1.7 times of the average height of the woolly oranges.

4. The production and processing equipment for the after-harvest commercialized production of citrus reticulata according to claim 1 or 2, wherein the spray sterilization device comprises a plurality of groups of sterilization liquid medicine spray pipes arranged above the roller conveyor belt of the spray sterilization device and a sterilization liquid medicine recovery device arranged below the roller conveyor belt of the spray sterilization device; the sterilization liquid medicine recovery device comprises a sterilization liquid medicine recovery hopper and a sterilization liquid medicine recovery tank positioned below the sterilization liquid medicine recovery hopper; the sterilization liquid medicine recovery tank is connected with the sterilization medicine spray pipe through a sterilization liquid medicine circulating pump; a filter sieve is arranged between the sterilizing liquid medicine recovery hopper and the sterilizing liquid medicine recovery tank; and a filter screen is arranged on a channel leading from the sterilization liquid medicine recovery tank to the sterilization liquid medicine circulating pump.

5. The Wo citrus postharvest commercial production processing equipment according to claim 1 or 2, wherein the spray cleaning device is divided into a pre-cleaning area and a cleaning area by a rubber baffle, the pre-cleaning area is positioned at 1/4-1/2 sections behind the roller conveyor belt of the spray cleaning device, and a cleaning agent spray pipe is arranged above the pre-cleaning area; the cleaning area is positioned at the 1/2 section in front of the roller conveyor belt of the spray cleaning device, and a warm water spray pipe is arranged above the cleaning area; the cleaning agent spray pipe is connected with the cleaning agent pump through a cleaning agent control switch; the warm water spray pipe is connected with a warm water supply pipe through a warm water pipe switch; and a drainage hopper is arranged below the roller conveyor belt which is opposite to the warm water spray pipe.

6. The apparatus of claim 5, wherein the spray cleaning device further comprises a cleaning brush disposed above the cleaning device roller conveyor belt and in front of the cleaning agent spray pipe.

7. The apparatus for the commercial production and processing of the picked citrus fruit according to claim 1 or 2, wherein the drying device comprises a front dryer and a back dryer which are connected in a butt joint manner, a plurality of rows of pre-drying brushes are arranged above a roller conveyor belt of the pre-dryer, and the pre-dryer is divided into a plurality of stages of pre-drying parts by a plurality of rubber baffles which are arranged at intervals in the front and back; the dryer comprises a dryer set, and a roller conveyor belt of the dryer is arranged in an upward inclined manner from back to front; the drying unit is arranged above a roller conveyor belt of the dryer in parallel.

8. The apparatus for processing the harvested mandarin oranges in a commercialized manner according to claim 7, wherein a primary sorting machine is further disposed between the drying machine and the fruit sorting device, a worker operating rack and a secondary fruit diverting port are disposed on each of left and right sides of a roller conveyor belt of the primary sorting machine, the secondary fruit diverting port is connected to the secondary fruit recycling frame through a secondary fruit outlet disposed below the roller conveyor belt of the primary sorting machine, and a manual standing platform is disposed on the worker operating rack.

9. The apparatus of claim 2, wherein the color selector comprises a CCD color selector, and/or the fruit cups are arranged in a row on the endless fruit cup chain.

10. The after-harvest commercialized production and processing equipment for citrus reissues as claimed in claim 2, wherein said automatic control host comprises a color sorting comparison module, a weight comparison module and a grading module, wherein said color sorting comparison module grades citrus reissues according to the comparison between the surface condition of citrus reissues peel scanned by said CCD color sorting instrument through a CCD camera and a preset color sorting model therein; the weight comparison module compares the weight sensor of each fruit cup with a preset weight model in the fruit cup, and performs weight grade division on the Wo oranges; and the grading module grades the Wo oranges in the fruit cups according to the grades output by the color sorting comparison module and the weight grades output by the weight comparison module.

Technical Field

The invention relates to the technical field of postharvest commercialized treatment of fruits, in particular to postharvest commercialized production and treatment equipment for Or citrus.

Background

The Or citrus is a new citrus product developed by Israel, and belongs to a late-maturing hybrid citrus variety. In subtropical monsoon climate areas in Guangxi, the sunshine is sufficient, the rainfall is abundant, and the method is very suitable for planting the Or. Since the introduction of planting in Guangxi province from the year 2012 for citrus aurantiaca, the planting area in 2018 reaches more than 100 mu, the output value exceeds 300 hundred million, and the method becomes a large-post industry of rural economy in Guangxi province. At present, due to the adoption of bath type cleaning, sterilization and fresh-keeping operations, peel of the existing fruit and vegetable commercialized treatment production line is easy to rub and damage, the peel absorbs water to cause poor fruit storage resistance, and particularly, the processed Wo citrus has low good fruit rate due to the fact that the peel around the fruit base is easy to absorb water, so that the existing general fruit post-harvest commercialized treatment production line needs to be innovated to meet the demand of commercialized treatment of the picked Wo citrus.

Disclosure of Invention

The invention provides a commercial production processing device for picked mandarin oranges, which integrates spray cleaning, spray sterilization, water curtain preservation, surface drying and fruit sorting, occupies small space, has low equipment investment, has high good fruit rate of the mandarin oranges after processing, is accurate in classification, and realizes integrated high-efficiency commercial classification processing of the mandarin oranges.

The technical scheme of the invention is as follows:

the utility model provides a fertile oranges commercialized production and treatment equipment after picking, fertile oranges get into feed arrangement, spraying belt cleaning device, spraying sterilization apparatus, water curtain fresh-keeping device and the drying device that dock each other in proper order through respective cylinder conveyer belt, water curtain fresh-keeping device's cylinder conveyer belt top is equipped with a plurality of water curtain platforms, the below is equipped with fresh-keeping agent recovery unit, fresh-keeping agent recovery unit includes fresh-keeping agent recovery fill and locates fresh-keeping agent recovery pond below fresh-keeping agent recovery fill, fresh-keeping agent recovery pond pass through fresh-keeping agent circulating pump with the water curtain platform is connected, fresh-keeping agent circulating pump will fresh-keeping agent among the recovery unit is taken out to the water curtain platform for the fresh-keeping agent forms a plurality of ways of fresh-keeping agent water curtains from the water curtain platform downwards, fresh-keeping agent water curtain gathers in after exerting fertile oranges.

Preferably, the commercial production processing equipment after the citrus reticulata blanco is picked further comprises a fruit sorting device arranged behind the drying device, the fruit sorting device comprises an automatic control host, a fruit cup circulating device and citrus reticulata blanco grading outlet arranged below the fruit cup circulating device, the fruit cup circulating device comprises an infrared monitor, a color selector, a circulating fruit cup chain and fruit cups arranged on the circulating fruit cup chain, the color selector is arranged above the circulating fruit cup chain, the infrared monitor monitors the feeding speed of the circulating fruit cup chain and the positions of the fruit cups, the fruit cups are provided with weight sensors, the top of each citrus reticulata grading outlet is provided with an electromagnetic valve, and the infrared monitor, the color selector, the weight sensors and the electromagnetic valves are all connected with the automatic control host; the automatic control host machine carries out color sorting and grading on the Wo oranges in the fruit cups scanned by the color sorter, grades the Wo oranges in the fruit cups measured by the weight sensor, sends an instruction to the circulating fruit cup chain after grade division is obtained, starts the electromagnetic valve of the Wo oranges grading outlet when the circulating fruit cup chain sends the fruit cups to the specified Wo oranges grading outlet, enables the elastic pieces of the electromagnetic valve to bounce, so that the fruit cups incline, and the Wo oranges fall into the specified Wo oranges grading outlet, thereby finishing grading.

Preferably, the roller conveyor belt of the feeding device comprises a horizontal section and an inclined section, a plastic brush is arranged above the inclined section, and the minimum distance of the plastic brush relative to the inclined section in the vertical direction is more than the average Wo orange height and less than 1.3-1.7 times of the average Wo orange height.

Preferably, the spraying sterilization device comprises a plurality of groups of sterilization liquid medicine spray pipes arranged above the roller conveyor belt and a sterilization liquid medicine recovery device arranged below the roller conveyor belt; the sterilization liquid medicine recovery device comprises a sterilization liquid medicine recovery hopper and a sterilization liquid medicine recovery tank positioned below the sterilization liquid medicine recovery hopper; the sterilization liquid medicine recovery tank is connected with the sterilization medicine spray pipe through a sterilization liquid medicine circulating pump; a filter sieve is arranged between the sterilizing liquid medicine recovery hopper and the sterilizing liquid medicine recovery tank; and a filter screen is arranged on a channel leading from the sterilization liquid medicine recovery tank to the sterilization liquid medicine circulating pump.

Preferably, the spray cleaning device is divided into a pre-cleaning area and a cleaning area by a rubber baffle, the pre-cleaning area is positioned at 1/4-1/2 sections behind a roller conveyor belt of the spray cleaning device, and a cleaning agent spray pipe is arranged above the pre-cleaning area; the cleaning area is positioned at the 1/2 section in front of the roller conveyor belt of the spray cleaning device, and a warm water spray pipe is arranged above the cleaning area; the cleaning agent spray pipe is connected with the cleaning agent pump through a cleaning agent control switch; the warm water spray pipe is connected with a warm water supply pipe through a warm water pipe switch; and a drainage hopper is arranged below the roller conveyor belt which is opposite to the warm water spray pipe.

Preferably, the spray cleaning device further comprises a cleaning brush, and the cleaning brush is arranged above the roller conveyor belt of the cleaning device and is positioned in front of the cleaning agent spray pipe.

Preferably, the drying device comprises a front-back butt-joint dryer and a pre-dryer, wherein a plurality of rows of pre-drying brushes are arranged above a roller conveyor belt of the pre-dryer, and the pre-dryer is divided into a multi-stage pre-drying part through a plurality of rubber baffles arranged at intervals in the front-back direction; the dryer comprises a dryer set, and a roller conveyor belt of the dryer is arranged in an upward inclined manner from back to front; the drying unit is arranged above a roller conveyor belt of the dryer in parallel.

As preferred, the drying-machine with still be equipped with the primary election machine between the fruit sorting unit, the cylinder conveyer belt left and right sides of primary election machine is equipped with workman's operation frame and inferior fruit diffluence pass, inferior fruit diffluence pass through locating inferior fruit exit linkage inferior fruit of primary election machine cylinder conveyer belt below is retrieved the frame, be equipped with artifical platform of standing on the workman's operation frame.

Preferably, the color selector comprises a CCD color selector, and/or the fruit cups with the same diameter and size are arranged on the circulating fruit cup chain in parallel.

Preferably, the automatic control host comprises a color sorting comparison module, a weight comparison module and a grade division module, wherein the color sorting comparison module compares the situation of the peel surface of the Or citrus fruit scanned by the CCD camera through the CCD color sorter with a preset color sorting model in the color sorting comparison module, and carries out grade division on the Or citrus fruit; the weight comparison module compares the weight sensor of each fruit cup with a preset weight model in the fruit cup, and performs weight grade division on the Wo oranges; and the grading module grades the Wo oranges in the fruit cups according to the grades output by the color sorting comparison module and the weight grades output by the weight comparison module.

Compared with the prior art, the invention has the advantages that:

1. according to the commercialized production treatment equipment for picked citrus aurantium, citrus aurantium enters the fruit sorting device after being sequentially sterilized, cleaned, preserved and dried by the feeding device, the spraying cleaning device, the spraying sterilization device, the water curtain preservation device, the drying device and the fruit sorting device, a wax spraying device, a soaking cleaning device and the like are not needed, the length is about 43 meters, the occupied space is small, the equipment investment is low, and only two thirds of the equipment investment of the commercialized production treatment equipment for picked citrus aurantium is realized; the integrated commercialized grading treatment of the Wo oranges is realized, and the working efficiency is improved. Solves the industrial common problems of poor storage performance, low good fruit rate and the like of fruits caused by easy rubbing and water absorption of peels due to the fact that the current commercialized treatment production lines of the picked citrus reticulata all adopt 'bath type cleaning and sterilization' internationally. The washed woolly oranges are directly subjected to circulating water curtain preservation through the water curtain platform, so that the woolly oranges are prevented from being soaked in the preservation solution for a long time, and the problems that the preservative is not uniformly sprayed and cannot be fully sprayed due to the spraying preservation mode are solved.

2. According to the commercialized production and treatment equipment for the picked citrus wadskii, the color and luster of the fruit sorting device are sorted by a color sorter, different grades are selected, then weight sorting is carried out by a weight sensor, different grades are selected, the automatic control host carries out grade division on the citrus wadskii according to grade data and grade data, the citrus wadskii is sent to a set graded fruit outlet by the automatic control host, when the citrus wadskii of different grades reaches the graded fruit outlets of different grades, the advancing speed of a fruit cup chain is controlled by an infrared monitor, and then an electromagnetic valve is started, so that the citrus wadskii falls into the graded fruit outlet, and the automatic grading of the citrus wadskii is realized.

Drawings

FIG. 1 is a schematic diagram of a commercial production and treatment facility for picked Citrus reishi according to the present invention.

The reference numbers in the figures are:

1-a feeding device, 11-a feeding device roller conveyor belt, 111-a horizontal section, 112-an inclined section, 12-a plastic brush, 2-a spray cleaning device, 21-a spray cleaning device roller conveyor belt, 22-a partition baffle, 23-a pre-cleaning area, 24-a cleaning area, 231-a cleaning agent spray pipe, 232-a cleaning agent control switch, 241-a warm water spray pipe, 242-a warm water pipe switch, 25-a drain hopper, 26-a cleaning brush, 3-a spray sterilization device, 31-a spray sterilization device roller conveyor belt, 32-a sterilization liquid spray pipe, 33-a sterilization liquid recovery device, 331-a sterilization liquid recovery hopper, 332-a sterilization liquid recovery tank, 34-a sterilization liquid circulation pump, 4-a water curtain preservation device, 41-a water curtain preservation device roller conveyor belt, 42-a water curtain platform, 43-a preservative recovery device, 431-a preservative recovery hopper, 432-a preservative recovery tank, 433 parts of a preservative circulating pump, 5 parts of a drying device, 51 parts of a pre-drying machine, 511 parts of a roller conveyor belt of the pre-drying machine, 512 parts of a pre-drying brush, 513 parts of a rubber baffle, 52 parts of a drying machine, 521 parts of the roller conveyor belt of the drying machine, 522 parts of a drying unit, 523 parts of an air outlet and 524 parts of a unit switch; 6-fruit sorting device, 61-automatic control host, 62-fruit cup circulating device, 63-orange grading outlet, 621-CCD color sorter, 622-circulating fruit cup chain, 623-fruit cup, 7-primary sorting machine, 71-roller conveyor belt of primary sorting machine, 72-worker operation frame, 73-secondary fruit outlet, 74-ladder and 75-feeding groove.

Detailed Description

In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to specific examples. The front and the back of the invention are relative to the moving direction of the woolly oranges on the production line, the advancing direction of the woolly oranges is front, and the reverse direction is back.

The utility model provides a fertile mandarin orange postharvest commercialization production treatment facility, includes feedway 1, sprays belt cleaning device 2, sprays sterilization apparatus 3, water curtain fresh-keeping device 4, drying device 5 and fruit sorting unit 6, feedway 1, spray belt cleaning device 2, spray sterilization apparatus 3, fresh-keeping device 4, drying device 5 and fruit sorting unit 6 all are equipped with the cylinder conveyer belt separately, and dock each other in proper order through respective conveyer belt.

The roller conveyor belt 11 of the feeding device 1 comprises a horizontal section 111 and an inclined section 112, a plastic brush 12 is arranged above the inclined section 112, and the minimum distance of the plastic brush 12 relative to the inclined section 112 in the vertical direction is more than the average height of Wai-gan and less than 1.3-1.7 times of the average height of Wai-gan. The plastic brush 12 mainly has the function that when the wok oranges are poured into the horizontal section 111 of the roller conveyor belt of the feeding device 1 from a fruit basket, the wok oranges are overlapped and stacked, and the plastic brush 12 arranged on the roller conveyor belt 11 sweeps the overlapped and stacked wok oranges flat, so that feeding is balanced.

The spraying cleaning device 2 is arranged behind the feeding device 1, and the pericarp around the bases of the citrus fruits is easy to absorb water, so that the citrus fruits are inconvenient to use for soaking cleaning. The spray cleaning device 2 is divided into a pre-cleaning area 23 and a cleaning area 24 by a partition baffle 22 (such as a rubber baffle), wherein the pre-cleaning area 23 is positioned at the rear 1/4-1/2 section of the spray cleaning device 2, and a cleaning agent spray pipe 231 is arranged above a roller conveyor belt 21 of the pre-cleaning area 23; the cleaning area 24 is positioned at the front 1/2 section of the spray cleaning device 2, and a warm water spray pipe 241 is arranged above the roller conveyor belt 21 of the cleaning area 24; the cleaning agent spray pipe 231 is connected with the cleaning agent pump through a cleaning agent control switch 232; the warm water spray pipe 241 is connected with a warm water supply pipe through a warm water pipe switch 242; a drain hopper 25 is arranged under the roller conveyor belt 21 opposite to the warm water spray pipe 241.

Spray cleaning device 2 still includes cleaning brush 26, cleaning brush 26 locates spray cleaning device 2 cylinder conveyer belt 21's top is located washing district 24. When the sterilized Or citrus is used for further cleaning the epidermis, the cleaning agent is uniformly sprayed through the cleaning agent spray pipe 231, and after the sanitary brushes 26 such as a hog brush are lightly brushed, a plurality of groups of warm water spray pipes 241 are used for carrying out spray type cleaning on warm water with the water temperature not exceeding 40 ℃, so that the medicines and the residual residues on the Or citrus are washed off.

The washed wok oranges need to be sterilized and disinfected through the spraying sterilization device 3. The pericarp around the pedicel of the citrus fruit is easy to absorb water, so the soaking type sterilization treatment is inconvenient to use. The spraying sterilization device 3 comprises a plurality of groups of sterilization liquid medicine spray pipes 32 arranged above the roller conveyor belt 31 and a sterilization liquid medicine recovery device 33 arranged below the roller conveyor belt 31; the sterilizing liquid medicine recycling device 33 comprises a sterilizing liquid medicine recycling hopper 331 and a sterilizing liquid medicine recycling tank 332 positioned below the sterilizing liquid medicine recycling hopper 331; the sterilizing liquid recycling tank 332 is connected with the sterilizing medicine spray pipe 32 through a sterilizing liquid circulating pump 34; when the oranges enter the spraying and sterilizing device 3, the oranges roll on the roller conveyor belt 31 at a constant speed, and a plurality of groups of sterilizing liquid medicine spray pipes 32 arranged above the oranges continuously spray sterilizing liquid medicine downwards, so that the sterilizing liquid medicine uniformly adheres to each of the oranges on the roller conveyor belt 31 and then flows into the sterilizing liquid medicine recovery hopper 331 to achieve the sterilizing effect. A filter sieve is arranged between the sterilizing liquid medicine recovery hopper 331 and the sterilizing liquid medicine recovery tank 332; a filter screen is arranged on a channel of the sterilization liquid medicine recovery tank 332 leading to the sterilization liquid medicine circulating pump 34. The used sterilization liquid medicine is cleaned by a filter screen, then returns to the sterilization liquid medicine recovery pool 332, is processed by a filter screen, and is pumped to the sterilization liquid medicine spray pipe 32 by the sterilization liquid medicine circulating pump 34 for recycling.

According to the water curtain fresh-keeping device 4, a plurality of water curtain platforms 42 are arranged above a roller conveyor belt 41 of the water curtain fresh-keeping device 4, a fresh-keeping agent recovery device 43 is arranged below the water curtain fresh-keeping device 4, the fresh-keeping agent recovery device 43 comprises a fresh-keeping agent recovery bucket 431 and a fresh-keeping agent recovery pool 432 arranged below the fresh-keeping agent recovery bucket 431, the fresh-keeping agent recovery pool 432 is connected with the water curtain platforms 42 through a fresh-keeping agent circulating pump 433, the fresh-keeping agent in the fresh-keeping agent recovery device 43 is pumped to the water curtain platforms 42 through the fresh-keeping agent circulating pump 433, a plurality of water curtains of the fresh-keeping agent are formed downwards from the water curtain platforms 42, and the water curtains of the fresh-keeping agent converge into the fresh-keeping agent recovery bucket 431 after acting on oranges. The operation steps are repeated circularly through the preservative circulating pump 433, and the preservative water curtain is used for showering the oranges, so that the oranges are prevented from being soaked in the preservative for a long time, and the problem that the preservative cannot be sprayed comprehensively in a spraying mode is also avoided.

The water curtain platform 42 comprises a plurality of water curtain generating devices which are arranged in parallel with the roller conveyor belt 41, and a plurality of water curtain spray heads are uniformly distributed on the water curtain generating devices; or the water curtain generating device is a water curtain spray head; or the water curtain generating device is a flat plate made of special materials, and the preservative flowing through the surface of the water curtain generating device at a certain flow rate forms an integral water curtain when flowing out downwards.

The drying device 5 comprises a pre-drying machine 51 and a drying machine 52, wherein a roller conveyor belt 511 of the pre-drying machine 51 is horizontally arranged and is divided into a multi-stage pre-drying part through a plurality of rubber baffles 513 arranged at intervals in the front and at the back, and a plurality of rows of pre-drying brushes 512 are arranged above the multi-stage pre-drying part. The pre-drying brush 512 is preferably a pig brush, the density of the pig brush of each stage of pre-drying part is set to be different, and the density is increased from back to front in sequence, so that the moisture on the peel of the citrus can be removed, and the color of the citrus can be increased.

The roller conveyor belt 521 of the dryer 52 is arranged obliquely upwards from back to front, a dryer unit 522 is arranged above the roller conveyor belt 521, and an air outlet 523 and a unit switch 524 are respectively arranged on the dryer unit 522. The predried woolly oranges are dried by the electric hot air of the drying unit 522 so as to dry the moisture attached to the surface of the woolly oranges, so that the woolly oranges can be conveniently packaged in a later grading way, and the time of the working procedure is saved.

The fruit sorting device 6 comprises an automatic control host 61, a fruit cup circulating device 62 and an output hole 63 for sorting the oranges under the fruit cup circulating device 62, wherein the fruit cup circulating device 62 comprises an infrared monitor, a CCD color selector 621, a circulating fruit cup chain 622 and a fruit cup 623 arranged on the circulating fruit cup chain 622. A plurality of fruit cups of uniform diameter are arranged in parallel on the circulating fruit cup chain 622 for simultaneous grading of multiple oranges.

CCD look selects appearance 621 to locate the top of circulation fruit cup chain 622, infrared monitoring appearance monitoring circulation fruit cup chain 622's feed speed and fruit cup 623 position, fruit cup 623 is equipped with weighing transducer, every walk the hierarchical top of leaving hole 63 of mandarin orange and all be equipped with the solenoid valve, infrared monitoring appearance, CCD look select appearance 621, weighing transducer and solenoid valve all connect automatic control host computer 61.

The automatic control host 61 comprises a color sorting comparison module, a weight comparison module and a grade division module, wherein the color sorting comparison module compares the situation of the peel surface of the Or citrus fruit scanned by the CCD color sorting instrument 621 through a CCD camera thereof with a preset color sorting model in the color sorting comparison module, and carries out grade division on the Or citrus fruit; the weight comparison module compares the weight sensor of each fruit cup 623 with a preset weight model in the fruit cup, and performs weight grade division on the Wo oranges; the grading module grades the Wo oranges in the fruit cup 623 according to the grade output by the color sorting comparison module and the weight grade output by the weight comparison module.

The automatic control host 61 performs color sorting and grading on the citrus fruit to be sorted in the fruit cup 623 scanned by the color sorter 621, grades the weight of the citrus fruit to be sorted in the fruit cup 623 measured by the weight sensor, and sends an instruction to the circulating fruit cup chain 622 to enable the designated fruit cup 623 to reach the designated citrus fruit sorting outlet 63, and simultaneously starts the electromagnetic valve of the citrus fruit sorting outlet 63 to enable the elastic sheet of the electromagnetic valve to bounce and incline the fruit cup 623, so that the citrus fruit falls into the designated citrus fruit sorting outlet 63, and sorting is completed. Preferably, the preset weight grade in the weight comparison module is divided into 7 weight grades according to the weight of the wok orange.

Dryer 52 with still be equipped with primary election machine 7 between fruit sorting unit 6, the cylinder conveyer belt 71 left and right sides of primary election machine 7 is equipped with workman's operation frame 72 and inferior fruit diffluence pass, inferior fruit diffluence pass through locating the frame is retrieved to inferior fruit of connection of primary election 7 cylinder conveyer belt 71 below, be equipped with the manual work platform of standing on the workman's operation frame 72. The primary sorting machine 7 is mainly operated manually, workers go up to the manual standing platform through a ladder 74 and then stand at the left and right sides of a roller conveyor belt 71 of the primary sorting machine 7, the oranges are observed through eyes, after defective products are found, the defective products are selected and thrown to a secondary fruit diversion port, the defective products enter a prepared secondary fruit recovery frame through a secondary fruit outlet 73, and the remaining good fruits enter the fruit sorting device 6 through a feeding groove 75.

It should be noted that the above-described embodiments may enable those skilled in the art to more fully understand the present invention, but do not limit the present invention in any way. Therefore, although the present invention has been described in detail with reference to the drawings and examples, it will be understood by those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention.