CN117426211A - Watermelon seed taking method and device - Google Patents

Abstract

The invention provides a watermelon seed taking method and device, and relates to the technical field of agriculture. The watermelon seed taking device comprises a peeling box, a first conveyor belt assembly, a first centrifugal machine, a second conveyor belt assembly, a second centrifugal machine, a third conveyor belt assembly and a fourth conveyor belt assembly. According to the invention, two groups of relatively rotating valve bodies in the peeling box are used for wrapping watermelons, so that the watermelons are driven to rotate in disorder, the watermelons are continuously contacted with the inner side walls of the valve bodies in the rotation process, the peeling knife is used for rapidly removing the outer skin, the problem that the melon skin is difficult to separate in the subsequent seed taking process is avoided, peeled melon pulp is split by the splitting knife in the conveying process, and is centrifugally pressed into pulp by the first centrifugal machine, so that the existence of large pulp is avoided, the separation efficiency of the second centrifugal machine is greatly improved, the pulp, the juice and the melon seeds are thoroughly separated, and the separation effect is good.

Description

Watermelon seed taking method and device

Technical Field

The invention relates to the technical field of agriculture, in particular to a watermelon seed taking method and device.

Background

Watermelon is one of the favorite fruits in summer. The supply of a large quantity of watermelon requires the supply of a large quantity of watermelon seeds. Especially for melon farmers who plant melon seeds as products, in the early stage of melon seed production, the melon seeds are mainly taken out of the pulp by manual means or the pulp is washed out by clear water and then taken out, and no matter what method is, time and labor are wasted. Therefore, the prior art on the market provides an improvement scheme, in particular to a watermelon seed extractor, which comprises a melon breaking mechanism, a frame mechanism and a separating mechanism, wherein the melon breaking mechanism is positioned above the frame mechanism, and the separating mechanism is positioned between an upper plate and a bottom plate of the frame mechanism; the melon breaking mechanism comprises: the device comprises a shielding box, a rotating motor, a crushing cutter, a scraping plate and a hydraulic cylinder; the side wall of the shielding box is connected with the rotating motor and the hydraulic cylinder, the crushing knife is transversely spanned in the shielding box and is connected with the output shaft of the rotating motor through a bearing; the bottom of the shielding box is connected with a scraping plate which is connected with a movable plug of the hydraulic cylinder; the improved technology alleges that the efficiency of melon crushing can be improved, splashing during melon crushing can be prevented, personnel can be protected, and waste can be prevented; however, the improvement technology does not consider that the broken melon peels and melon seeds are difficult to separate, and the melon seeds are inevitably damaged if the melon peels are further broken, so that the actual application effect of the improvement technology is not good;

for example, a watermelon seed extractor capable of preventing fruit adhesion is available in the market, which comprises; the watermelon seed extractor body, the watermelon seed extractor body includes the agitator tank, and one side fixedly connected with inlet pipe of agitator tank, the opposite side fixedly connected with of agitator tank goes out the seed pipe, and goes out the inside of seed pipe and be equipped with the solenoid valve, the agitator tank bottom is equipped with the liquid outlet, and the agitator tank bottom is established to hopper-shaped. According to the watermelon seed extractor, through the arrangement of the crushing assembly, the servo motor is used for driving the rotating shaft and the crushing blades to cut watermelon pulp, meanwhile, the driving wheel on the crushing rotating shaft drives the driven wheel to rotate, so that the threaded rod rotates, the first through hole on the extruding plate is in threaded connection with the threaded rod, the extruding plate moves up and down, the cut pulp is further extruded, the pulp is changed into juice, and the large-particle watermelon seeds are filtered by the filter screen, so that the watermelon seed extractor is basically far away from the improvement technology and is used for crushing watermelon peel and then taking the seeds, and the problem that the watermelon peel and the melon seeds cannot be separated cleanly at last is not avoided;

based on the actual situation, the invention develops a labor-saving and time-saving watermelon seed taking method and a matched device.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a watermelon seed taking method and a watermelon seed taking device, which solve the problems that the manual seed taking is time-consuming and labor-consuming in the past and the existing seed taking equipment can not solve the problem that the melon peel and the melon seed are difficult to separate.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme: watermelon seed taking device, including peeling box, first conveyer belt assembly, first centrifuge, second conveyer belt assembly, second centrifuge, third conveyer belt assembly and fourth conveyer belt assembly, peeling box lower extreme passes through the footing support, peeling box left side wall rotates and is connected with the feed gate that is used for facilitating the feeding, be provided with the peeling device that is used for peeling through two sets of mounts on the peeling box, peeling box front wall and right wall all are provided with the opening, peeling box front wall opening inside wall fixedly connected with melon skin discharge baffle, peeling box right side wall opening inside wall fixedly connected with accepts the baffle down, accept the baffle inside wall through telescopic drive structure sliding connection to accept the baffle down, first conveyer belt assembly sets up down and accepts between baffle one end and the first centrifuge of peeling box, second conveyer belt assembly sets up between first centrifuge and second centrifuge, third conveyer belt assembly sets up between second centrifuge and fourth conveyer belt assembly, first conveyer belt is provided with the conveyer belt and cuts the conveyer belt and is used for carrying out the third conveyer belt to cut the conveyer belt and cuts the assembly and carry out the drying structure and carry out the drying device that is used for drying the conveyer belt is used for setting up the third conveyer belt assembly.

Preferably, the peeling device comprises two groups of valve bodies, the two groups of fixing frames are respectively and fixedly connected with a front wall and a rear wall of the peeling box, the upper wall of the fixing frame is fixedly connected with two groups of guide rails, two groups of guide rails are connected with sliding blocks in a sliding manner, one end of each guide rail, which is far away from the peeling box, is fixedly connected with a baffle, one side of each baffle, which is far away from the peeling box, is fixedly connected with a first cylinder, a first cylinder extending shaft penetrates through the baffle and is in sliding connection with the baffle, the end part of the first cylinder extending shaft is fixedly connected with the sliding blocks, the upper wall of the sliding blocks is fixedly connected with a motor, the end part of the motor extending shaft is fixedly connected with a rotating shaft, the front wall and the rear wall of the peeling box are fixedly connected with sliding seats, one end, which is far away from the motor, of each rotating shaft penetrates through the two groups of sliding seats and is uniformly extended into the peeling box, a plurality of groups of melon guiding-out holes which are internally and externally penetrated, and a plurality of melon guiding-out inner side walls of the melon guiding-out holes are fixedly connected with cutters in one group of the lengths of the melon guiding-out holes.

Preferably, the telescopic driving structure comprises a push block and a second air cylinder, wherein the push block is fixedly connected with the lower wall of the upper bearing guide plate, the lower wall of the lower bearing guide plate is provided with a long hole which is vertically communicated, one end of the push block, far away from the upper bearing guide plate, penetrates through the long hole and extends to the lower side of the lower bearing guide plate, the second air cylinder is fixedly connected with the lower wall of the lower bearing guide plate through a fixing seat and is positioned at one end, far away from the leather shaving box, of the lower bearing guide plate, and the end part of the second air cylinder extending out of the shaft is fixedly connected with the push block.

Preferably, the first centrifuge and the second centrifuge are both inclined horizontal centrifuges, the first centrifuge and the second centrifuge are each composed of a frame, an outer cylinder, an inner cylinder and a driving device for driving the inner cylinder to rotate, the inner cylinder in the first centrifuge comprises a first inlet, a first cavity and a first outlet, one end of the first conveyor belt assembly, which is far away from the shaving box, is communicated with the first inlet, the inner cylinder in the second centrifuge comprises a second inlet, a second cavity and a second outlet, the inner diameter of the first cavity is larger than the first inlet and the first outlet, the inner diameter of the second cavity is larger than the second inlet and the second outlet, a plurality of groups of scrapers are arranged on the inner side wall of the first cavity and are screwed with the inner wall of the first cavity through elastic sheets, the scraper blades are back to the rotation direction of the first centrifuge, the number of the scrapers is more than six, the scrapers are uniformly distributed with the axis of the first cavity as the center in a circumference, a filter screen for filtering pulp flows out, the filter screen is arranged in the second cavity, the filter screen is arranged below the second filter screen is provided with a second filter screen, and the filter screen is arranged below the second filter screen, and the filter screen is arranged between the first filter screen and the second filter screen.

Preferably, the slitting structure comprises a cross beam, a plurality of groups of knife holders and a multi-component cutter, wherein a group of vertical plates are fixedly connected to the upper wall of the first conveyor belt assembly and close to the left side and the right side respectively, the cross beam is fixedly connected to the upper walls of the two groups of vertical plates, the knife holders are sequentially and uniformly distributed at intervals on the left side and the right side in a threaded manner and are positioned between the lower wall of the cross beam and the two groups of vertical plates, the knife holders are respectively connected to the lower walls of the plurality of groups of knife holders in a rotating manner, and the knife holders and the slitting knives are kept in a vertical state through torsion springs.

Preferably, the outer wall of the transmission belt of the first transmission belt assembly is provided with a plurality of groups of stop blocks distributed along the circumferential direction of the transmission belt, and the inner walls of the plurality of groups of stop blocks are provided with slits for the passing of the slitting knives.

Preferably, the blowing structure comprises a blower, a wind collecting cover and a waste guide plate, wherein the blower is fixedly connected to the front wall of the fourth conveyor belt assembly and is positioned below the third conveyor belt assembly, the wind collecting cover is fixedly connected to the rear wall of the blower, the rear wall of the wind collecting cover is provided with an air outlet which is internally and externally communicated, the waste guide plate is fixedly connected to the upper wall of the fourth conveyor belt assembly and is close to the position of the rear wall, and the waste guide plate corresponds to the air outlet in a front-back mode.

The watermelon seed taking method uses any one of the watermelon seed taking devices to take seeds, and the seed taking method comprises the following steps:

s1, peeling, namely opening a feed gate, conveying watermelons into a peeling box through a shifting fork, controlling two groups of first cylinder extension shafts to extend, further driving two groups of valve bodies to wrap the watermelons therein, pulling out the shifting fork when the two groups of valve bodies are about to be combined, closing the feed gate, starting two groups of motors to rotate, peeling the watermelons through a plurality of groups of peeling knives on the inner side walls of the valve bodies, guiding the peeled watermelons to the outer walls of the valve bodies through melon skin guiding holes, and discharging the peeled watermelons on a melon skin discharging guide plate;

s2, grouting, namely after peeling watermelon to form melon pulp, turning off a motor, enabling a second cylinder extension shaft to extend out, driving an upper bearing guide plate to extend into a peeling box and be positioned below two groups of valve bodies, controlling the two groups of first cylinder extension shafts to retract, further driving the two groups of valve bodies to separate, enabling the melon pulp to fall on the upper bearing guide plate and roll onto a conveyor belt of a first conveyor belt assembly through the upper bearing guide plate and a lower bearing guide plate to be conveyed, cutting the melon pulp into multiple valve bodies by a multicomponent cutter in the conveying process, conveying the cut melon pulp into a first centrifuge through the first conveyor belt assembly, and starting a driving device of the first centrifuge after conveying a sufficient amount of melon pulp in the first centrifuge, and pressing the melon pulp into pulp with melon seeds through centrifugal force and multiple groups of scraper on the inner side wall of a first cavity;

s3, separating, namely discharging pulp with melon seeds above a second conveyor belt assembly through a first outlet, conveying the pulp with melon seeds into a second centrifugal machine through the second conveyor belt assembly, driving a driving device of the second centrifugal machine, separating the melon seeds from the pulp by matching with a filter screen with a vibrator in the second centrifugal machine through centrifugal force, throwing the pulp and juice out of a filter screen hole, discharging the pulp and juice through a slag discharging port, and discharging the separated melon seeds onto a third conveyor belt assembly through a second outlet;

s4, drying, conveying the separated melon seeds to a subsequent process through a third conveyor assembly, and drying the melon seed surfaces through a dryer when the melon seeds pass through the dryer;

s5, screening, conveying the dried melon seeds through a third conveyor assembly, throwing the dried melon seeds onto a fourth conveyor assembly at the high position of the tail end of the third conveyor assembly, blowing off residual pulp and lighter melon seeds through a blower in the throwing process, and conveying the screened melon seeds out through the fourth conveyor assembly;

s6, counting the residual rate of the white seeds, and increasing the air speed of the air blower in the S5 step until the white seeds are qualified.

Preferably, in the step S1, the two groups of petals are not contacted after being closed and the rotation directions are opposite.

Preferably, the first centrifuge in step S2 and the second centrifuge in step S3 are reversed.

(III) beneficial effects

The invention provides a watermelon seed taking method and device. The beneficial effects are as follows:

1. compared with the prior art, the watermelon seed taking method and device have the advantages that two groups of relatively rotating valve bodies in the peeling box wrap the watermelon, the watermelon is driven to rotate in disorder, the watermelon is in continuous contact with the inner side wall of the valve body in the rotation process, the peeling knife is used for rapidly removing the outer skin, and the problem that the melon skin is mixed into the melon skin and is difficult to separate in the subsequent seed taking process is avoided.

2. Compared with the prior art, the watermelon seed taking method and device have the advantages that peeled watermelon pulp is cut by the cutting knife in the conveying process, and is centrifugally pressed into pulp by the first centrifugal machine, so that the existence of large pulp is avoided, the separation efficiency of the second centrifugal machine is greatly improved, pulp, juice and melon seeds are thoroughly separated, and the separation effect is good.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;

FIG. 3 is a schematic view of a side structure of the peeling box of the present invention;

FIG. 4 is a schematic view of the valve body structure of the present invention;

FIG. 5 is a schematic cross-sectional view of a connection structure between a lower receiving guide plate and an upper receiving guide plate according to the present invention;

FIG. 6 is a schematic side view of the blower and fan housing connection structure of the present invention.

Wherein, 1, footing; 2. a leather cutting box; 3. a feed gate; 4. a fixing frame; 5. a guide rail; 6. a slide block; 7. a baffle; 8. a first cylinder; 9. a motor; 10. a coupling; 11. a rotating shaft; 12. a sliding seat; 13. a valve body; 14. melon Pi Daochu holes; 15. a peeling knife; 16. melon rind discharge guide plate; 17. a lower receiving guide plate; 18. an upper receiving guide plate; 19. a first conveyor belt assembly; 20. a stop block; 21. a riser; 22. a cross beam; 23. a tool apron; 24. a dividing knife; 25. a first centrifuge; 26. a second conveyor belt assembly; 27. a second centrifuge; 28. a third conveyor belt assembly; 29. a dryer; 30. a blower; 31. a fourth conveyor belt assembly; 32. a waste guide plate; 33. a long hole; 34. a pushing block; 35. a fixing seat; 36. a second cylinder; 37. a wind collecting hood; 38. and an air outlet.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples:

as shown in fig. 1 to 6, the embodiment of the invention provides a watermelon seed taking device, which comprises a peeling box 2, a first conveyor belt assembly 19, a first centrifugal machine 25, a second conveyor belt assembly 26, a second centrifugal machine 27, a third conveyor belt assembly 28 and a fourth conveyor belt assembly 31, wherein the peeling box 2 peels watermelon, the first centrifugal machine 25 presses peeled watermelon to form pulp without large pulp, the second centrifugal machine 27 separates melon seeds from pulp and juice, and the separated melon seeds are dried and blown to obtain finished products.

The first centrifugal machine 25 and the second centrifugal machine 27 are both inclined horizontal centrifugal machines, the first centrifugal machine 25 and the second centrifugal machine 27 are respectively composed of a frame, an outer cylinder, an inner cylinder and a driving device for driving the inner cylinder to rotate, the inner cylinder in the first centrifugal machine 25 comprises a first inlet, a first cavity and a first outlet, one end of the first conveyor belt assembly 19, which is far away from the shaving box 2, is communicated with the first inlet, the inner cylinder in the second centrifugal machine 27 comprises a second inlet, a second cavity and a second outlet, the inner diameter of the first cavity is larger than the first inlet and the first outlet, the inner diameter of the second cavity is larger than the second inlet and the second outlet, a plurality of groups of scrapers which are screwed with the inner wall of the first cavity through elastic sheets are arranged on the inner side wall of the first cavity, the plurality of groups of scraper blades face away from the rotating direction of the first centrifugal machine 25, the scraper quantity is more than six and all takes first cavity axle center as the center to be circumference partition distribution, be equipped with the filter screen that is used for filtering pulp thick liquid in the second cavity, be provided with the vibrator on the filter screen, the below of second cavity is equipped with the let out cinder notch that supplies pulp thick liquid to flow out, second conveyer belt assembly 26 sets up between first export and second entry, horizontal centrifuge is the ripe technique in market, set up it in the slope form, all mention in the many public technique in market, the purpose is in order to improve centrifugal efficiency, the watermelon flesh after peeling is sent into first centrifuge 25 after dividing cutter 24 to divide the cutting, send into juice with pulp through the multiunit scraper cooperation centrifugal force of first cavity inner wall with pulp thick liquid extrusion, send into second centrifuge 27 again and carry out juice, pulp and melon seed separation.

The lower end of the peeling box 2 is supported by a footing 1, the left wall of the peeling box 2 is rotationally connected with a feeding door 3 which is convenient for feeding, the peeling box 2 is provided with a peeling device for peeling by two groups of fixing frames 4, the peeling device comprises two groups of flap bodies 13, the two groups of fixing frames 4 are respectively and fixedly connected with the front wall and the rear wall of the peeling box 2, the upper wall of the fixing frame 4 is fixedly connected with two groups of guide rails 5, a sliding block 6 is slidingly connected between the two groups of guide rails 5, one end of the two groups of guide rails 5, which is far away from the peeling box 2, is fixedly connected with a baffle 7, one side of the baffle 7, which is far away from the peeling box 2, is fixedly connected with a first cylinder 8, a stretching shaft of the first cylinder 8 penetrates through the baffle 7 and is slidingly connected with the baffle 7, the end part of the stretching shaft of the first cylinder 8 is fixedly connected with the sliding block 6, the upper wall of the sliding block 6 is fixedly connected with a motor 9, the end part of the stretching shaft of the motor 9 is fixedly connected with a rotating shaft 11 by a coupling 10, the front wall and the rear wall of the peeling box 2 are fixedly connected with sliding seats 12, one ends of two groups of rotating shafts 11 far away from a motor 9 respectively penetrate through the two groups of sliding seats 12 and extend into the peeling box 2, two groups of valve bodies 13 are respectively fixedly connected with one ends of the two groups of rotating shafts 11 extending into the peeling box 2, a plurality of groups of melon peel guiding holes 14 which are internally and externally communicated are arranged on the side walls of the valve bodies 13, peeling knives 15 are fixedly connected with one of two inner side walls in the length direction of the melon peel guiding holes 14, the one inner side walls are inserted into watermelons through a common shifting fork in the market and are sent between the two groups of valve bodies 13, the two groups of valve bodies 13 are driven to be close by controlling the extending shaft of a first cylinder 8, the shifting fork can be pulled out after the two groups of valve bodies 13 encase the watermelons, the two groups of valve bodies 13 are driven by the two groups of motors 9 to rotate in opposite directions, so that the watermelons are driven to rotate in disorder, in the rotating process, the watermelons are rapidly peeled by the peeling knives 15, melon rinds are guided out through melon rind guiding holes 14, and melon flesh falls down after peeling is completed by opening the flap body 13.

Openings are formed in the front wall and the right wall of the leather cutting box 2, a melon rind discharging guide plate 16 is fixedly connected to the inner side wall of the opening in the front wall of the leather cutting box 2, melon rinds are guided out through the melon rind guiding-out holes 14 and then fall into the melon rind discharging guide plate 16, and are discharged through the dead weight of the melon rinds and the inclination of the melon rind discharging guide plate 16.

The inner side wall of the opening of the right wall of the peeling box 2 is fixedly connected with a lower receiving guide plate 17, the inner side wall of the lower receiving guide plate 17 is slidably connected with an upper receiving guide plate 18 through a telescopic driving structure, a first conveying belt assembly 19 is arranged between one end of the lower receiving guide plate 17 far away from the peeling box 2 and the first centrifugal machine 25, the telescopic driving structure comprises a push block 34 and a second air cylinder 36, the push block 34 is fixedly connected with the lower wall of the upper receiving guide plate 18, the lower wall of the lower receiving guide plate 17 is provided with a long hole 33 which penetrates through up and down, one end of the push block 34 far away from the upper receiving guide plate 18 penetrates through the long hole 33 and extends to the lower side of the lower receiving guide plate 17, the second air cylinder 36 is fixedly connected with the lower wall of the lower receiving guide plate 17 through a fixing seat 35 and is positioned at one end of the lower receiving guide plate 17 far away from the peeling box 2, the end of the second air cylinder 36 extends out of a shaft and is fixedly connected with the push block 34, the upper receiving guide plate 18 is positioned in a contracted state, after peeling, before flap bodies 13 are opened, the upper receiving guide plate 18 are driven to move to the lower portions of two groups of flap bodies 13 through the second air cylinder 36 extending out of the shaft and rolling to the upper receiving guide plate 17 through the upper guide plate 17 and the upper conveying belt assembly 19.

The second conveyer belt assembly 26 is arranged between the first centrifugal machine 25 and the second centrifugal machine 27, the third conveyer belt assembly 28 is arranged between the second centrifugal machine 27 and the fourth conveyer belt assembly 31, the first conveyer belt assembly 19 is provided with a slitting structure for slitting peeled melon pulp, the slitting structure comprises a cross beam 22, a plurality of groups of cutter holders 23 and a plurality of groups of cutters 24, the upper wall of the first conveyer belt assembly 19 is close to the left side and the right side, a group of vertical plates 21 are fixedly connected to the upper wall of the two groups of vertical plates 21 respectively, the plurality of groups of cutter holders 23 are sequentially and uniformly distributed at intervals on the left side and the right side in a threaded manner and are positioned between the lower wall of the cross beam 22 and the two groups of vertical plates 21, the plurality of groups of cutters 24 are respectively connected to the lower walls of the plurality of cutter holders 23 in a rotating manner, the cutter holders 23 and the cutter holders 24 are kept in a vertical state through torsion springs, the outer wall of the conveyer belt of the first conveyer belt assembly 19 is provided with a plurality of groups of stoppers 20 distributed along the circumference direction of the cutter holders, the inner walls of the plurality of the stoppers 20 are respectively provided with slits for dividing 24, when the peeled melon pulp is conveyed in the process, the plurality of cutters 24 are pushed by the cutter holders 20 to move towards the cutter holders 24 after the slitting, and the cutter holders 24 are pushed by the cutter holders 24 to move towards the cutter holders 24 in the whole to the centrifuge, and the pulp can be greatly pressed into the whole, and the pulp can be greatly pressed by the cutter 25.

The upper wall of the third conveyor belt assembly 28 is fixedly connected with a dryer 29 for drying, and the separated melon seeds are dried by the dryer 29.

The third conveyer belt assembly 28 and the fourth conveyer belt assembly 31 are provided with a blowing structure for blowing and screening melon seeds, the blowing structure comprises a blower 30, a wind collecting cover 37 and a waste guide plate 32, the blower 30 is fixedly connected to the front wall of the fourth conveyer belt assembly 31 and is located below the third conveyer belt assembly 28, the wind collecting cover 37 is fixedly connected to the rear wall of the blower 30, the rear wall of the wind collecting cover 37 is provided with an air outlet 38 which is internally and externally communicated, the waste guide plate 32 is fixedly connected to the upper wall of the fourth conveyer belt assembly 31 and is close to the rear wall, the waste guide plate 32 corresponds to the air outlet 38 in front and back, when dried melon seeds fall to the fourth conveyer belt assembly 31 from the third conveyer belt assembly 28, through the blower 30 for blowing and screening, the rest pulp fiber threads and the unfilled melon seeds are blown away and discharged after being received by the waste guide plate 32, and qualified melon seeds fall on the fourth conveyer belt assembly 31.

The watermelon seed taking method uses the watermelon seed taking device to take seeds, and the seed taking method comprises the following steps:

s1, peeling, namely opening a feed gate 3, conveying watermelons into a peeling box 2 through a shifting fork, controlling two groups of first cylinders 8 to extend out of an extending shaft, further driving two groups of valve bodies 13 to wrap the watermelons therein, pulling out the shifting fork when the two groups of valve bodies 13 are about to be combined, closing the feed gate 3, starting the two groups of motors 9 to rotate, peeling the watermelons through a plurality of groups of peeling knives 15 on the inner side walls of the valve bodies 13, and leading the peeled watermelons out of the valve bodies 13 through a melon peel leading-out hole 14 and discharging the peeled watermelons on a melon peel discharging guide plate 16.

S2, grouting, namely after peeling watermelons to form melon pulp, turning off the motor 9, enabling the second air cylinder 36 to extend out of the extending shaft, driving the upper bearing guide plate 18 to extend into the peeling box 2 and below the two groups of valve bodies 13, controlling the extending shafts of the two groups of first air cylinders 8 to retract, further driving the two groups of valve bodies 13 to separate, enabling the melon pulp to fall on the upper bearing guide plate 18 and roll onto a conveyor belt of the first conveyor belt assembly 19 through the upper bearing guide plate 18 and the lower bearing guide plate 17 to be conveyed, cutting the melon pulp into multiple valve pieces by the multicomponent cutters 24 in the conveying process, conveying the cut melon pulp into the first centrifuge 25 through the first conveyor belt assembly 19, and starting a driving device of the first centrifuge 25 after conveying a sufficient amount of melon pulp in the first centrifuge 25, and pressing the melon pulp into melon pulp slurry with melon seeds through centrifugal force and multiple groups of scrapers on the inner side walls of the first cavity.

S3, separating, namely discharging pulp with melon seeds above the second conveyor belt assembly 26 through the first outlet, conveying the pulp with melon seeds into the second centrifuge 27 through the second conveyor belt assembly 26, driving a driving device of the second centrifuge 27, separating the melon seeds from the pulp by matching with a filter screen with a vibrator in the second centrifuge 27 through centrifugal force, throwing the pulp and juice out of a filter screen hole, discharging the pulp and juice through a slag discharging port, and discharging the separated melon seeds to the third conveyor belt assembly 28 through the second outlet.

S4, drying, namely conveying the separated melon seeds to a subsequent process through a third conveyor belt assembly 28, and drying the melon seed surfaces through a dryer 29 when the melon seeds pass through the dryer 29.

S5, screening, conveying the dried melon seeds through a third conveyor assembly 28, throwing the dried melon seeds onto a fourth conveyor assembly 31 at the high position of the tail end of the third conveyor assembly 28, blowing off residual pulp and lighter melon seeds through a blower 30 in the throwing process, and conveying the screened melon seeds out through the fourth conveyor assembly 31.

S6, counting the white seed residual rate, and increasing the wind speed of the blower 30 in the S5 step until the white seeds are qualified.

In the step S1, the two groups of petals 13 are not contacted after being closed and the rotation directions are opposite.

The first centrifuge 25 in step S2 and the second centrifuge 27 in step S3 are reversed.

Working principle: in the device, the melon seeds are inserted into a watermelon through a common shifting fork in the market and sent between two groups of valve bodies 13, the two groups of valve bodies 13 are driven to be close by controlling the extending shaft of a first air cylinder 8, the shifting fork can be pulled out after the two groups of valve bodies 13 encase the watermelon, the two groups of valve bodies 13 are driven by two groups of motors 9 to rotate in opposite directions so as to drive the watermelon to rotate in disorder, in the rotating process, the melon seeds are rapidly peeled through a peeling knife 15, the melon seeds are led out through a melon seed leading-out hole 14, after peeling is finished, the valve bodies 13 are opened to enable melon seeds to fall down, the melon seeds are led out through the melon seed leading-out hole 14 and then fall into a melon seed discharging guide plate 16, the melon seeds are discharged through the dead weight of the melon seeds and the inclination of the melon seed discharging guide plate 16, in a contracted state after peeling, before peeling is finished, the valve bodies 13 are opened, the upper receiving guide plate 18 is driven to move to the lower than the two groups of valve bodies 13 through the extending shaft of a second air cylinder 36, the fallen pulp is received and rolled onto the first conveyor belt assembly 19 through the upper receiving guide plate 18 and the lower receiving guide plate 17, the peeled pulp is pushed by the stop block 20 to move towards the dividing knife 24 when passing through the multi-component knife 24 in the conveying process, then is divided into multiple pieces by the dividing knife 24, the pulp pressing time of the first centrifuge 25 can be greatly reduced after dividing the pulp into pieces, the whole working efficiency can be improved, the peeled pulp is fed into the first centrifuge 25 after being divided by the dividing knife 24, the pulp is extruded into pulp by a plurality of groups of scrapers on the inner side wall of the first cavity and matched with centrifugal force, then is fed into the second centrifuge 27 to separate fruit juice, pulp and melon seeds, the separated melon seeds are dried by the dryer 29, and the dried melon seeds fall into the fourth conveyor belt assembly 31 from the third conveyor belt assembly 28 and are blown and screened by the blower 30, the rest pulp fiber and the unfull melon seeds are blown away, are accepted by the waste guide plate 32 and discharged, and the qualified melon seeds fall on the fourth conveyor belt assembly 31 to be sent out.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. Watermelon seed taking device, its characterized in that: including paring case (2), first conveyer belt assembly (19), first centrifuge (25), second conveyer belt assembly (26), second centrifuge (27), third conveyer belt assembly (28) and fourth conveyer belt assembly (31), paring case (2) lower extreme is supported through footing (1), paring case (2) left wall rotates and is connected with feed gate (3) that are used for convenient feeding, be provided with the paring device that is used for paring through two sets of mounts (4) on paring case (2), paring case (2) front wall and right wall all are provided with the opening, paring case (2) front wall opening inside wall fixedly connected with melon skin discharge baffle (16), paring case (2) right wall opening inside wall fixedly connected with holds baffle (17) down, it holds baffle (18) through telescopic drive structure sliding connection to hold baffle (17) inside wall down, first conveyer belt assembly (19) set up and hold down baffle (17) and keep away from paring case (2) first centrifuge and second centrifuge conveyer belt assembly (25) and second centrifuge (27) and fourth conveyer belt assembly (27) between centrifuge (27) front wall opening inside wall fixedly connected with down accept baffle (17), the melon seed drying machine is characterized in that a slitting structure for slitting peeled melon pulp is arranged on the first conveyor belt assembly (19), a dryer (29) used for drying is fixedly connected to the upper wall of the third conveyor belt assembly (28), and a blowing structure used for blowing and screening melon seeds is arranged between the third conveyor belt assembly (28) and the fourth conveyor belt assembly (31).

2. The watermelon seed taking device according to claim 1, wherein: the peeling device comprises two groups of flap bodies (13), the two groups of the fixing frames (4) are respectively and fixedly connected with the front wall and the rear wall of the peeling box (2), the upper wall of the fixing frames (4) is fixedly connected with the two groups of guide rails (5), the two groups of guide rails (5) are connected with the sliding block (6) in a sliding manner, one end of the guide rails (5) far away from the peeling box (2) is fixedly connected with the baffle plate (7), one side of the baffle plate (7) far away from the peeling box (2) is fixedly connected with the first cylinder (8), the extending shaft of the first cylinder (8) penetrates through the baffle plate (7) and is in sliding connection with the baffle plate, the extending shaft end of the first cylinder (8) is fixedly connected with the sliding block (6), the upper wall of the sliding block (6) is fixedly connected with the motor (9), the extending shaft end of the motor (9) is fixedly connected with the rotating shaft (11) through the coupling (10), the front wall and the rear wall of the peeling box (2) are fixedly connected with the sliding seat (12), the two groups of the rotating shaft (11) are far away from the motor (9) and are respectively connected with the two groups of flap bodies (13) which extend into the inner and are respectively connected with the two groups of flap bodies (13), and a plurality of groups of melon Pi Daochu holes (14) are fixedly connected with paring knives (15) on one of the two inner side walls in the length direction.

3. The watermelon seed taking device according to claim 2, wherein: the telescopic driving structure comprises a push block (34) and a second air cylinder (36), wherein the push block (34) is fixedly connected to the lower wall of the upper bearing guide plate (18), a long hole (33) penetrating up and down is formed in the lower wall of the lower bearing guide plate (17), one end, far away from the upper bearing guide plate (18), of the push block (34) penetrates through the long hole (33) and extends to the lower side of the lower bearing guide plate (17), the second air cylinder (36) is fixedly connected to the lower wall of the lower bearing guide plate (17) through a fixing seat (35) and is located at one end, far away from the leather shaving box (2), of the lower bearing guide plate (17), and the extending shaft end of the second air cylinder (36) is fixedly connected with the push block (34).

4. A watermelon seed extracting device according to claim 3, wherein: the first centrifugal machine (25) and the second centrifugal machine (27) are both inclined horizontal centrifugal machines, the first centrifugal machine (25) and the second centrifugal machine (27) are both composed of a frame, an outer cylinder, an inner cylinder and a driving device for driving the inner cylinder to rotate, the inner cylinder in the first centrifugal machine (25) comprises a first inlet, a first cavity and a first outlet, one end of the first conveyor belt assembly (19) far away from the leather shaving box (2) is communicated with the first inlet, the inner cylinder in the second centrifugal machine (27) comprises a second inlet, a second cavity and a second outlet, the inner diameter of the first cavity is larger than the first inlet and the first outlet, the inner diameter of the second cavity is larger than that of the second inlet and the second outlet, a plurality of groups of scrapers which are screwed and fixed with the inner wall of the first cavity through elastic sheets are arranged on the inner wall of the first cavity, the plurality of groups of scraper blades face away from the rotating direction of the first centrifugal machine (25), the number of the scrapers is more than six and evenly distributed in a circumference mode by taking the axis of the first cavity as the center, a filter screen for filtering pulp slurry is arranged in the second cavity, a vibrator is arranged on the filter screen, a slag discharging port for discharging pulp slurry is arranged below the second cavity, and a second conveyor belt assembly (26) is arranged between the first outlet and the second inlet.

5. The watermelon seed taking device according to claim 4, wherein: the slitting structure comprises a cross beam (22), a plurality of groups of knife holders (23) and a multi-component cutter (24), wherein a group of vertical plates (21) are fixedly connected to the upper wall of the first conveyor belt assembly (19) and close to the left side and the right side respectively, the cross beam (22) is fixedly connected to the upper walls of the two groups of vertical plates (21), the knife holders (23) are sequentially and uniformly distributed at intervals left and right to be in threaded connection with the lower wall of the cross beam (22) and are located between the two groups of vertical plates (21), the knife holders (23) and the knife holders (24) are respectively connected to the lower wall of the plurality of groups of knife holders (23) in a rotating mode, and a vertical state is kept between the knife holders (23) and the knife holders (24) through torsion springs.

6. The watermelon seed taking device according to claim 5, wherein: the outer wall of the transmission belt of the first transmission belt assembly (19) is provided with a plurality of groups of stop blocks (20) distributed along the circumferential direction of the transmission belt, and the inner walls of the plurality of groups of stop blocks (20) are respectively provided with a slit for a slitting knife (24) to pass through.

7. The watermelon seed taking device according to claim 6, wherein: the air blowing structure comprises an air blower (30), an air collecting cover (37) and a waste guide plate (32), wherein the air blower (30) is fixedly connected to the front wall of the fourth conveyor belt assembly (31) and located below the third conveyor belt assembly (28), the air collecting cover (37) is fixedly connected to the rear wall of the air blower (30), an air outlet (38) which penetrates through the rear wall of the air collecting cover (37) internally and externally is formed, the waste guide plate (32) is fixedly connected to the upper wall of the fourth conveyor belt assembly (31) and is close to the position of the rear wall, and the waste guide plate (32) corresponds to the air outlet (38) in a front-rear mode.

8. A watermelon seed taking method, which uses the watermelon seed taking device of any one of claims 1 to 7 to take seeds, characterized in that: the seed taking method comprises the following steps:

s1, peeling, namely opening a feed gate (3), conveying watermelons into a peeling box (2) through a shifting fork, controlling two groups of first cylinders (8) to extend out of an extending shaft, further driving two groups of valve bodies (13) to wrap the watermelons therein, pulling out the shifting fork when the two groups of valve bodies (13) are about to be combined, closing the feed gate (3), starting the two groups of motors (9) to rotate, peeling the watermelons through a plurality of peeling knives (15) on the inner side walls of the valve bodies (13), guiding the peeled watermelons out of the valve bodies (13) through melon skin guiding holes (14), and discharging the peeled watermelons on a melon skin discharging guide plate (16);

s2, grouting, namely after peeling watermelons to form melon pulp, turning off a motor (9), enabling a second air cylinder (36) to extend out of an extending shaft to drive an upper bearing guide plate (18) to extend into a peeling box (2) and to be positioned below two groups of valve bodies (13), controlling the extending shafts of the two groups of first air cylinders (8) to retract, further driving the two groups of valve bodies (13) to separate, enabling the melon pulp to fall on the upper bearing guide plate (18) and roll on a conveyor belt of a first conveyor belt assembly (19) through the upper bearing guide plate (18) and a lower bearing guide plate (17), conveying the melon pulp, in the conveying process, cutting the melon pulp into multiple valve bodies by a multi-component cutter (24), conveying the cut melon pulp into a first centrifuge (25) through the first conveyor belt assembly (19), and starting a driving device of the first centrifuge (25) after a sufficient amount of melon pulp is conveyed in the first centrifuge (25), and pressing the melon pulp into slurry with melon seeds through centrifugal force and multiple groups of scrapers on the inner side walls of the first cavity;

s3, separating, namely discharging pulp with melon seeds above a second conveyor belt assembly (26) through a first outlet, conveying the pulp with melon seeds into a second centrifugal machine (27) through the second conveyor belt assembly (26), driving a driving device of the second centrifugal machine (27), separating the melon seeds from the pulp by matching with a filter screen with a vibrator in the second centrifugal machine (27) through centrifugal force, throwing the pulp and juice out of a filter screen hole, discharging the pulp and juice through a slag discharge hole, and discharging the separated melon seeds to a third conveyor belt assembly (28) through the second outlet;

s4, drying, namely conveying separated melon seeds to a subsequent process through a third conveyor belt assembly (28), and drying the surfaces of the melon seeds through a dryer (29) when the melon seeds pass through the dryer (29);

s5, screening, conveying the dried melon seeds through a third conveyor belt assembly (28), throwing the dried melon seeds onto a fourth conveyor belt assembly (31) at the high position of the tail end of the third conveyor belt assembly (28), blowing off residual pulp and lighter melon seeds through a blower (30) in the throwing process, and conveying the screened melon seeds out through the fourth conveyor belt assembly (31);

s6, counting the white seed residue rate, and increasing the wind speed of the blower (30) in the S5 step until the white seeds are qualified.

9. The watermelon seed taking method according to claim 8, wherein: in the step S1, the two groups of petals (13) are not contacted after being closed and the rotation directions are opposite.

10. The watermelon seed taking method according to claim 9, wherein: the first centrifuge (25) in step S2 and the second centrifuge (27) in step S3 are reversed.