CN212545457U

CN212545457U - Automatic longan shelling and pitting device

Info

Publication number: CN212545457U
Application number: CN202020441827.7U
Authority: CN
Inventors: 梁健; 李郁聪; 傅桂明; 梁运柱
Original assignee: Guangdong Polytechnic of Water Resources and Electric Engineering Guangdong Water Resources and Electric Power Technical School
Current assignee: Guangdong Polytechnic of Water Resources and Electric Engineering Guangdong Water Resources and Electric Power Technical School
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-02-19
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses an automatic longan shelling and pitting device, which comprises a frame, a feeding device, a conveying device, a shelling device and a pitting device, wherein the feeding device comprises a feeding groove and a circulating belt, and the conveying device comprises a conveying belt and a fixing needle for fixing longan; the peeling device comprises a toothed steel ring, a first pushing part and a rotating motor, the first pushing part pushes the toothed steel ring to move towards the longan shell so that the toothed steel ring is sleeved on the longan shell, and the rotating motor drives the toothed steel ring to rotate to cut the longan shell so that the longan shell is loosened and falls off; the denucleation device comprises a steel rope ring, a second pushing part and a telescopic cylinder, wherein the second pushing part pushes the steel rope ring to move towards the longan pulp so that the steel rope ring is sleeved on the longan pulp, and the telescopic cylinder pushes the steel rope ring to contract or stretch the longan pulp so that the longan pulp is loosened and falls off. The device provided by the utility model can effectively realize the effect of shelling, shelling and recovery arillus longan.

Description

Automatic longan shelling and pitting device

Technical Field

The utility model relates to a longan processing equipment technical field, specifically speaking relates to an automatic device that shells and denucleates of longan.

Background

The traditional longan shelling and pitting method is to separate pulp from kernels through a pick needle after manual shelling, the manual shelling and pitting labor cost is high, the efficiency is low, and the pitting process causes a plurality of failed finished products. The main problems of manual shelling and pitting at present are sanitation and low yield. Mechanical shelling is mainly achieved by cutting through props and then extruding, and mechanical kernel removal is mainly achieved by ejecting out kernels through cylinders connected through hydraulic ejector rods. In recent years, the longan processing device has the advantages that the kernel is sucked out by a machine for sucking out the kernel, the longan without the hull is conveyed into the kernel removing device through the tray, the kernel removing device is used for sucking out the kernel by the air suction effect after being pushed by the guide rod, and the hull is manually removed, so that the existing longan processing device still has a lot of inconvenience in use.

SUMMERY OF THE UTILITY MODEL

To the technical problem who exists among the prior art, the utility model aims at: the automatic longan shelling and pitting device can effectively achieve the effects of shelling, pitting and longan pulp recovery.

The purpose of the utility model is realized through the following technical scheme: the device comprises a rack, a feeding device, a conveying device, a shelling device and a kernel removing device, wherein the feeding device, the conveying device, the shelling device and the kernel removing device are all arranged on the rack;

the feeding device comprises a feeding groove and an endless belt, and a discharge hole of the feeding groove corresponds to the endless belt;

the conveying device comprises a conveying belt and fixing needles for fixing the longans, the conveying belt is positioned above the circulating belt, and the fixing needles circularly rotate along the conveying belt;

the peeling device comprises a toothed steel ring, first pushing parts and a rotating motor, wherein the toothed steel ring and the rotating motor are arranged on the first pushing parts, the first pushing parts push the toothed steel ring to move towards the longan fruit shell so that the toothed steel ring is sleeved on the longan fruit shell, a peeling channel is symmetrically arranged between the two first pushing parts and formed, the peeling channel is located on the running track of the fixed needle, and the rotating motor drives the toothed steel ring to rotate and cut the longan fruit shell so that the longan fruit shell is loosened and falls off;

the device of denucleating includes rope loop, second promotion portion and telescopic cylinder, the rope loop with telescopic cylinder all sets up on the second promotion portion, second promotion portion promotes the rope loop removes so that the rope loop cover goes into longan pulp, and the symmetry sets up and forms the passageway of denucleating between two second promotion portions, the passageway of denucleating is located on the orbit of stationary needle, telescopic cylinder promotes the rope loop is shrink or is stretched longan pulp's motion so that longan pulp is not hard up to drop.

Preferably, the device of shelling still includes the sucking disc device, the sucking disc device sets up on the first promotion portion, first promotion portion promotes the sucking disc device does the removal that is close to the longan fruit shell so that the longan fruit shell is adsorbed by the sucking disc device.

Preferably, the circulating belt comprises a plurality of fixed plates hinged in sequence, and a groove for accommodating the longan is formed in each fixed plate.

Preferably, the conveying belt is composed of a plurality of bearing plates hinged in sequence;

the longan fruit picking device is characterized by further comprising a push pin cylinder, the push pin cylinder is fixed on the bearing plate, a piston rod of the push pin cylinder is fixed with the fixing pin, and the push pin cylinder pushes the fixing pin to move to penetrate into or separate from longan fruit kernels.

Preferably, a through hole is formed in the first pushing part, and two ends of the steel ring with teeth respectively extend into the through hole;

the first pushing portion is further provided with a rope pulling cylinder, and a guide rod of the rope pulling cylinder is fixed to two ends of the toothed steel ring.

Preferably, the device further comprises a sucker cylinder, the sucker cylinder is fixed to the rack, and a push rod of the sucker cylinder is fixed to the sucker device.

Preferably, a through hole is formed in the second pushing part, and two ends of the steel rope ring respectively extend into the through holes;

the second pushing part is further provided with a rope pulling cylinder, and a guide rod of the rope pulling cylinder is fixed to two ends of the steel rope ring.

Preferably, the pitting device further comprises a stabbing portion, and the stabbing portion is arranged on the second pushing portion.

Preferably, the below of passageway that shells is provided with the shell blown down tank, the below of passageway that denucleates is provided with the pulp blown down tank, conveyor's below is provided with the kernel blown down tank.

Preferably, the automatic feeding device further comprises a first adjusting gear and a second adjusting gear, one end of the conveying belt is installed on the rack through the first adjusting gear, and the other end of the conveying belt is installed on the rack through the second adjusting gear.

The utility model discloses for prior art have following advantage and effect:

according to the method, the longan seeds are pierced and fixed by the fixing needles, and the shells are cut and peeled by the first circular toothed steel wire and the second circular toothed steel wire of the shelling device, so that compared with the traditional shelling technology, the shelling efficiency is improved, and the damage influence of the shelling process on longan pulp is reduced; utilize simultaneously the first steel cable circle of denucleation device, second steel cable circle to realize the cutting of longan pulp and peel off, compare with traditional denucleation technique, improve the efficiency of denucleating, reduce the damage influence of process of denucleating to longan pulp.

Drawings

Fig. 1 is a schematic structural diagram of an automatic longan shelling and pitting device according to an embodiment of the present invention;

fig. 2 is another schematic structural diagram of an automatic longan shelling and pitting device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a conveying device according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a shelling apparatus according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a denucleation device according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of an endless belt according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a conveyor belt according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a first push rod according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a second push rod according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a third push rod according to the embodiment of the present invention;

fig. 11 is a schematic structural diagram of a fourth push rod according to an embodiment of the present invention.

Description of the drawings: 1. a frame; 11. a first frame; 12. a second frame; 13. fixing the support arm; 2. a feeding device; 21. a feed chute; 22. an endless belt; 221. a fixing plate; 222. A groove; 223. a substrate; 3. a conveying device; 31. a conveyor belt; 311. a carrier plate; 312. a push pin cylinder; 32. a fixing pin; 33. a first adjusting gear; 34. a second adjusting gear; 4. a shelling device; 41. a first push rod; 411. a first through hole; 412. a first rope pulling cylinder; 42. a second push rod; 421. a second through hole; 422. a second rope pulling cylinder; 43. a first suction cup; 44. a second suction cup; 45. a first circular toothed steel wire; 46. a second circular toothed steel wire; 5. a coring device; 51. a third push rod; 511. a third through hole; 512. a first rope pulling cylinder; 52. a fourth push rod; 521. a fourth via hole; 522. a second rope pulling cylinder; 53. a first loop of wire rope; 54. a second wire loop; 55. a first prick; 56. and (5) carrying out second conical pricks.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

The automatic longan shelling and pitting device of this embodiment, as shown in fig. 1 and 2, includes frame 1, feed arrangement 2, conveyor 3, shelling device 4 and pitting device 5, feed arrangement 2 conveyor 3 shelling device 4 pitting device 5 all sets up on the frame 1. During the application, in order to facilitate cooperation between with feed arrangement 2, conveyor 3, the device of shelling 4 and the device of denucleating 5, frame 1 includes first frame 11 and second frame 12 and fixed support arm 13, first frame 11 with fix through fixed support arm 13 between the second frame 12, specific fixed mode can select the thread tightening, and the later stage of being convenient for is dismantled and is maintained.

As shown in fig. 2, the feeding device 2 includes a feeding chute 21 and an endless belt 22, and a discharge port of the feeding chute 21 corresponds to the endless belt 22. The feed chute 21 is a funnel, and when in use, longan can be poured into the feed chute 21, the longan falls on the circulating belt 22 from the discharge hole of the feed chute 21, and the circulating belt 22 drives the longan to be transported to the position of the conveying device 3. The feed chute 21 is matched with the circulating belt 22 to realize the automation of longan conveying, and in addition, the longan can fall onto the circulating belt 22 one by limiting the diameter of the discharge hole of the feed chute 21, so that the operation of single longan can be completed in the subsequent operation.

As shown in fig. 3, the conveyor 3 includes a conveyor belt 31 and a fixing pin 32 for fixing the longans, the conveyor belt 31 is located above the endless belt 22, and the fixing pin 32 rotates along the conveyor belt 31. The fixing needles 32 rotating along with the conveying belt 31 can realize the fixation of the longan, and during the specific use, a harder needle head is recommended to be selected, so that the fixing needles 32 can be conveniently penetrated into longan seeds.

As shown in fig. 4, the shelling device 4 includes a toothed steel ring, a first pushing portion and a rotating motor, the toothed steel ring and the rotating motor are both disposed on the first pushing portion, the first pushing portion pushes the toothed steel ring to move towards the longan fruit shell so that the toothed steel ring is sleeved on the longan fruit shell, shelling channels are symmetrically disposed between the two first pushing portions and formed, the shelling channels are located on the moving track of the fixed needle, and the rotating motor drives the toothed steel ring to rotate to cut the longan fruit shell so that the longan fruit shell is loosened and falls off. In addition, the device 4 that shells still includes the sucking disc device, the sucking disc device sets up on the first promotion portion, first promotion portion promotes the sucking disc device is done and is close to the removal of longan fruit shell so that the longan fruit shell is adsorbed by the sucking disc device. In practical application, the toothed steel ring comprises a first circular toothed steel wire 45 and a second circular toothed steel wire 46, the first pushing part comprises a first push rod 41 and a second push rod 42, the rotating motor comprises a first rotating motor and a second rotating motor, and the suction cup device comprises a first suction cup 43 and a second suction cup 44; the first push rod 41 and the second push rod 42 are symmetrically arranged, the first suction cup 43 and the second suction cup 44 are symmetrically arranged, the first circular toothed steel wire 45 and the second circular toothed steel wire 46 are symmetrically arranged, and the three groups of symmetrical arrangement modes facilitate synchronous hulling treatment on two sides of longan, and avoid damage to pulp caused by hulling on one side of the longan. The first suction cup 43 is disposed on the first push rod 41, the second suction cup 44 is disposed on the second push rod 42, the first circular toothed steel wire 45 is disposed on the first push rod 41, and the second circular toothed steel wire 46 is disposed on the second push rod 42. The arrangement of the first sucking disc 43 and the second sucking disc 44 facilitates the sucking discs to adsorb the shells on the two sides of the longan, and accelerates the separation of the shells. During the specific application, first sucking disc 43 and second sucking disc 44 are the hemisphere cup, and the inner chamber and the longan phase-match of hemisphere cup can link to each other first sucking disc 43 and second sucking disc 44 with evacuation equipment respectively for accelerate adsorption efficiency. A shelling channel is formed between the first circular toothed steel wire 45 and the second circular toothed steel wire 46, the shelling channel is located on the moving track of the fixed needle 32, the first rotating motor pushes the first circular toothed steel wire 45 to rotate to cut shells, and the second rotating motor pushes the second circular toothed steel wire 46 to rotate to cut shells. It should be noted that the first circular toothed steel wire 45 and the second circular toothed steel wire 46 are both matched with the longan, when the longan is in the shelling channel, the first circular toothed steel wire 45 and the second circular toothed steel wire 46 are respectively sleeved in from two sides of the longan, and the first rotating motor and the second rotating motor can cut shells on two sides of the longan after being started.

As shown in fig. 5, the device 5 that denucleates includes wire rope circle, second promotion portion and telescopic cylinder, the wire rope circle with telescopic cylinder all sets up on the second promotion portion, second promotion portion promotes the wire rope circle removes so that on the longan pulp was gone into to the wire rope snare, the symmetry set up and form the passageway of denucleating between two second promotion portions, the passageway of denucleating is located on the orbit of fixed needle, telescopic cylinder promotes the motion that the wire rope circle is shrink or tensile longan pulp so that longan pulp is not hard up to drop. During the practical application, the steel cable loop includes first steel cable loop 53 and second steel cable loop 54, the second promotes the portion and includes third push rod 51 and fourth push rod 52, telescopic cylinder includes first telescopic cylinder and the telescopic cylinder of second, third push rod 51 with fourth push rod 52 symmetry sets up, first steel cable loop 53 with second steel cable loop 54 symmetry sets up, and the mode that above-mentioned two sets of group symmetries set up is convenient for realize carrying out the processing of denucleating in step to the longan both sides, avoids longan one side to take off the damage that the kernel led to the fact pulp. First wire loop 53 sets up on the third push rod 51, second wire loop 54 sets up on the fourth push rod 52, first wire loop 53 with form the passageway of denucleating between the second wire loop 54, the passageway of denucleating is located on the orbit of fixed needle 32, first telescopic cylinder promotes first wire loop 53 is the motion of shrink or tensile pulp, the telescopic cylinder of second promotes second wire loop 54 is the motion of shrink or tensile pulp. It should be noted that the first steel rope ring 53 and the second steel rope ring 54 are matched with the longan, when the longan is located in the denucleation channel, the first steel rope ring 53 and the second steel rope ring 54 are respectively sleeved in from two sides of the longan, and the longan pulp can be cut after the first telescopic cylinder and the second telescopic cylinder are started.

The use method of the automatic longan shelling and pitting device comprises the following steps: pouring picked longan into a feeding groove 21 of a feeding device 2, then dropping the longan onto a circulating belt 22, the circulating belt 22 driving the longan to be transported to the lower part of a conveying device 3, a fixing needle 32 on the conveying belt 31 piercing into longan seeds and driving the longan to move continuously, a first circular toothed steel wire 45 pushed by a first push rod 41 and a second circular toothed steel wire 46 pushed by a second push rod 42 respectively at two sides of the longan in a peeling channel to be sleeved, then a first rotating motor and a second rotating motor are started to realize the cutting of the shells at two sides of the longan, a first suction cup 43 and a second suction cup 44 respectively adsorb the shells at two sides of the longan to realize the complete peeling of the longan shells, then the conveying belt 31 continuously drives the longan to move, a first steel rope ring 53 pushed by a third push rod 51 and a second steel rope ring 54 pushed by a fourth push rod 52 respectively at two sides of the longan in the peeling channel to be sleeved, and the longan pulp can be cut after the first telescopic cylinder and the second telescopic cylinder are started. According to the method, the longan seeds are pierced and fixed by the fixing needle 32, and the shells are cut and peeled by the first circular toothed steel wire 45 and the second circular toothed steel wire 46 of the shelling device 4, so that compared with the traditional shelling technology, the shelling efficiency is improved, and the damage influence of the shelling process on longan pulp is reduced; utilize simultaneously that the first wire rope circle 53 of device 5 of denucleating, second wire rope circle 54 realize the cutting of longan pulp and peel off, compare with traditional denucleation technique, improve the efficiency of denucleating, reduce the damage influence of process of denucleating to longan pulp.

As shown in fig. 6, the endless belt 22 is composed of a plurality of fixing plates 221 hinged in sequence, and grooves 222 for accommodating the longans are formed on the fixing plates 221. The arrangement of the fixing plate 221 enhances the operational reliability of the endless belt 22 and improves the replaceability of the accessories of the endless belt 22. The arrangement of the groove 222 facilitates stable transportation of the longans, the single longans fall into the groove 222 on the single fixing plate 221 from the feeding groove 21, the error rate of processing is reduced, the longans are prevented from falling from the circulating belt 22, and accurate positioning of the longans in a subsequent process is realized. In addition, as shown in fig. 1, the device further includes a substrate 223, the substrate 223 is irregular, a rotation channel for the circulating belt 22 is formed around the substrate 223, the circulating belt 22 rotates circularly along the rotation channel, and in particular, when the device is applied, a motor can be used to drive the circulating belt 22 to rotate circularly.

As shown in fig. 7, the conveying belt 31 is composed of a plurality of sequentially hinged bearing plates 311, and the arrangement of the bearing plates 311 enhances the operational reliability of the conveying belt 31 and improves the replaceability of accessories of the conveying belt 31. The push pin device is characterized by further comprising a push pin cylinder 312, wherein the push pin cylinder 312 is fixed on the bearing plate 311, and a piston rod of the push pin cylinder 312 is fixed with the fixing pin 32. The setting of push pin cylinder 312, on the one hand, when circulating belt 22 carried the longan, push pin cylinder 312's piston rod stretches out and makes in the fixing pin 32 pierces the longan stone, and on the other hand, after conveying belt 31 drove the longan and carries out the processing of shelling and denucleating, fixing pin 32's piston rod shrink makes fixing pin 32 break away from in the longan stone.

A through hole is formed in the first pushing part, and two ends of the steel ring with teeth respectively extend into the through hole; the first pushing portion is further provided with a rope pulling cylinder, and a guide rod of the rope pulling cylinder is fixed to two ends of the toothed steel ring. In practical application, as shown in fig. 8, through holes are formed in the first push rod 41, that is, two first through holes 411, two ends of the first circular toothed steel wire 45 extend into the first through holes 411, the first push rod 41 is further provided with a first rope pulling cylinder 412, and a guide rod of the first rope pulling cylinder 412 is fixed to two ends of the first circular toothed steel wire 45. When the first circular toothed steel wire 45 needs to be sleeved on the shell on one side of the longan, the guide rod of the first rope pulling cylinder 412 pushes the first circular toothed steel wire 45 to move in the direction close to one side of the longan until the first circular toothed steel wire is sleeved on the shell on one side of the longan; when the first circular toothed steel wire 45 needs to be separated from the longan side shell, the guide rod of the first rope pulling cylinder 412 pulls the first circular toothed steel wire 45 to move away from the longan side until the first circular toothed steel wire is separated from the longan side shell. Meanwhile, as shown in fig. 9, a through hole is formed in the second push rod 42, that is, the second through hole 421, two ends of the second circular toothed steel wire 46 extend into the second through hole 421, a second rope pulling cylinder 422 is further disposed on the second push rod 42, and a guide rod of the second rope pulling cylinder 422 is fixed to two ends of the second circular toothed steel wire 46. When the second circular toothed steel wire 46 needs to be sleeved on the shell on one side of the longan, the guide rod of the second rope pulling cylinder 422 pushes the second circular toothed steel wire 46 to move in the direction close to one side of the longan until the second circular toothed steel wire 46 is sleeved on the shell on one side of the longan; when the second circular toothed steel wire 46 needs to be separated from the longan side shell, the guide rod of the second rope pulling cylinder 422 pulls the second circular toothed steel wire 46 to move away from the longan side until the second circular toothed steel wire is separated from the longan side shell.

The device further comprises a sucker cylinder, the sucker cylinder is fixed on the rack 1, and a push rod of the sucker cylinder is fixed with the first sucker 43 or the second sucker 44. The arrangement of the sucker cylinder is convenient for enhancing the close fit between the first sucker 43 or the second sucker 44 and the longan.

Two through holes are formed in the second pushing part, and two ends of the steel rope ring respectively extend into the through holes; the second pushing part is further provided with a rope pulling cylinder, and a guide rod of the rope pulling cylinder is fixed to two ends of the steel rope ring. In practical application, as shown in fig. 10, through holes are formed in the third push rod 51, that is, two third through holes 511, two ends of the first steel rope loop 53 extend into the third through holes 511, the third push rod 51 is further provided with a first rope pulling cylinder 512, and guide rods of the first rope pulling cylinder 512 are fixed to two ends of the first steel rope loop 53. When the first steel rope ring 53 needs to be sleeved on the pulp on one side of the longan, the guide rod of the first rope pulling cylinder 512 pushes the first steel rope ring 53 to move in the direction close to one side of the longan until the first steel rope ring is sleeved on the shell on one side of the longan; when the first steel rope loop 53 needs to be separated from the longan side shell, the guide rod of the first rope pulling cylinder 512 pulls the first steel rope loop 53 to move away from the longan side until the first steel rope loop is separated from the longan side shell. Meanwhile, as shown in fig. 11, through holes are formed in the fourth push rod 52, that is, two fourth through holes 521, two ends of the second rope loop 54 extend into the fourth through holes 521, a second rope pulling cylinder 522 is further disposed on the fourth push rod 52, and a guide rod of the second rope pulling cylinder 522 is fixed to two ends of the second rope loop 54. When the second steel rope ring 54 needs to be sleeved on the pulp on one side of the longan, the guide rod of the second rope pulling cylinder 522 pushes the second steel rope ring 54 to move in the direction close to one side of the longan until the second steel rope ring is sleeved on the shell on one side of the longan; when the second wire rope ring 54 needs to be separated from the longan side shell, the guide rod of the second rope pulling cylinder 522 pulls the second wire rope ring 54 to move away from the longan side until the second wire rope ring is separated from the longan side shell.

In a further improvement, the pitting device 5 further comprises a stabbing portion, and the stabbing portion is arranged on the second pushing portion. In practical application, as shown in fig. 10 and 11, the stabbing portion includes a first stabbing 55 and a second stabbing 56, the first stabbing 55 and the second stabbing 56 are symmetrically arranged, the first stabbing 55 is disposed on the third push rod 51, and the second stabbing 56 is disposed on the fourth push rod 52. The first prickle 55 and the second prickle 56 are arranged to facilitate the longan pulp to be pushed down.

In a further improvement, a fruit core discharge groove is arranged below the conveying device 3, and a fruit shell discharge groove is arranged below the shelling channel; a pulp discharge chute is arranged below the denucleation channel. The arrangement of the fruit core discharge chute, the shell discharge chute and the pulp discharge chute facilitates timely recovery of fruit cores, shells and pulp.

In a further improvement, as shown in fig. 3, the device further includes a first adjusting gear 33 and a second adjusting gear 34, one end of the conveying belt 31 is mounted on the frame 1 through the first adjusting gear 33, and the other end of the conveying belt 31 is mounted on the frame 1 through the second adjusting gear 34. The first adjusting gear 33 and the second adjusting gear 34 are used for assisting the operation of the conveying belt 31, and central shafts of the first adjusting gear 33 and the second adjusting gear 34 are respectively installed on the rack 1 through shaft seats.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The utility model provides an automatic device that shells and denucleates of longan which characterized in that: the device comprises a rack, a feeding device, a conveying device, a shelling device and a kernel removing device, wherein the feeding device, the conveying device, the shelling device and the kernel removing device are all arranged on the rack;

2. The automatic longan shelling and pitting device as claimed in claim 1, wherein: the device that shells still includes the sucking disc device, the sucking disc device sets up in the first promotion portion, first promotion portion promotes the sucking disc device is done and is close to the removal of longan shell so that the longan shell is adsorbed by the sucking disc device.

3. The automatic longan shelling and pitting device as claimed in claim 1, wherein: the circulating belt is composed of a plurality of fixing plates which are sequentially hinged, and grooves for accommodating longan are formed in the fixing plates.

4. The automatic longan shelling and pitting device as claimed in claim 1, wherein: the conveying belt is composed of a plurality of bearing plates which are sequentially hinged;

5. The automatic longan shelling and pitting device as claimed in claim 1, wherein: a through hole is formed in the first pushing part, and two ends of the steel ring with teeth respectively extend into the through hole;

6. The automatic longan shelling and pitting device as claimed in claim 2, wherein: the sucker device is characterized by further comprising a sucker cylinder, the sucker cylinder is fixed to the rack, and a push rod of the sucker cylinder is fixed to the sucker device.

7. The automatic longan shelling and pitting device as claimed in claim 1, wherein: a through hole is formed in the second pushing part, and two ends of the steel rope ring respectively extend into the through holes;

8. The automatic longan shelling and pitting device as claimed in claim 1, wherein: still include among the stoning device awl thorn portion, awl thorn portion sets up on the second promotes portion.

9. The automatic longan shelling and pitting device as claimed in claim 1, wherein: the fruit shell removing device is characterized in that a shell discharging groove is formed in the lower portion of the shelling channel, a pulp discharging groove is formed in the lower portion of the coring channel, and a kernel discharging groove is formed in the lower portion of the conveying device.

10. The automatic longan shelling and pitting device as claimed in claim 1, wherein: still include first adjusting gear and second adjusting gear, conveyor belt's one end is passed through first adjusting gear installs in the frame, conveyor belt's the other end is passed through second adjusting gear installs in the frame.