CN212414640U - Automatic change detection device of longan decortication stoner - Google Patents

Abstract

The utility model discloses a detection device of an automatic longan husking and pitting machine, which comprises a base bottom plate, wherein the base bottom plate is provided with a base panel through a base support rod; the machine seat panel is provided with a longan clamping and transmission assembly; a longan detection and conveying assembly is arranged on the stand supporting rod; the longan detection and conveying assembly is used for detecting the size of the longan and conveying the longan to the longan clamping and transmission assembly; the longan detection and conveying assembly comprises a longan detection part and a longan conveying part; the longan detection part comprises a stay wire type displacement encoder, a detection plate and an encoder mounting plate; the front end of the detection plate is used for touching the longan, and the rear end of the detection plate is connected with the stay wire type displacement encoder through a steel wire; the utility model discloses degree of automation is high, production efficiency is high, diameter size that can the automated inspection longan to realize that the shell meat of equidimension longan, nuclear meat separation are thorough, product quality is high.

Description

Automatic change detection device of longan decortication stoner

Technical Field

The utility model relates to an agricultural product processing technology field, especially are a detection device of automatic longan peeling and pitting machine.

Background

Longan is named longan and fructus alpiniae oxyphyllae, and is a sapinduceae. Longan has the effects of nourishing yin and tonifying kidney, strengthening the middle warmer and replenishing qi, moistening lung, stimulating appetite and benefiting spleen, and can be used for treating weakness after illness, anemia and chlorosis, neurasthenia, postpartum hemophthisis and the like. Is a famous tropical special fruit for both food and medicine. The planting history of Chinese longans is long, and the Chinese longans are the main producing countries of longans in the world.

The longan with wide planting area and large yield in south China has strong season of longan harvest and short storage period of the ripe fresh longan fruits, so fruit growers urgently need to quickly prepare the longan into dried longan. The longan dry meat is black brown, poor in quality and easy to grow worms, and the shells and the kernels which have no utilization value are dried together, so that the energy consumption in drying is increased. The other method is to dry the dried longan pulp after the fresh longan fruit is peeled and denucleated, and the dried longan pulp prepared by the method has orange color, good quality and easy preservation, so the value is increased by several times compared with the directly prepared dried longan fruit, and the method is a good method which is beneficial to fruit growers and consumers. However, the prior longan husking and denucleating adopts two production modes of manual husking and denucleating and a longan husking machine husking and denucleating, and the manual husking and denucleating has low production efficiency and does not meet the sanitary requirement. Compared with manual husking and denucleation, the longan husking machine is adopted to carry out husking and denucleation, so that the production efficiency is further improved, and the sanitary requirements are met; however, the existing longan husking machine does not have the function of automatically detecting the sizes of longans, and for longans with different diameters, the problems that the separation of husks and flesh is not thorough, the flesh is easy to lose and the juice is easy to run off when the kernels are dug, the longan pulp separation effect is poor, the quality of the separated longan pulp is poor, and the economic benefit is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a have the big or small function of automated inspection longan, the separation of shell meat is thorough, but furthest keeps the integrality of pulp when digging the kernel, and the juice runs off fewly, and degree of automation is high, the detection device of the high automatic longan decortication stoner of production efficiency.

The utility model discloses a following technical scheme realizes:

a detection device of an automatic longan husking and pitting machine comprises a base plate, wherein a base panel is arranged on the base plate through a base support rod; the machine base panel is provided with a longan clamping and transmission assembly; wherein: a longan detection and conveying assembly is mounted on the stand supporting rod; the longan detecting and conveying assembly is used for detecting the sizes of the longans and conveying the longans to the longan clamping and transmission assembly.

Further, the longan detection and conveying assembly comprises a longan detection part and a longan conveying part; the longan detection component comprises a stay wire type displacement encoder, a detection plate and an encoder mounting plate; the stay wire type displacement encoder is arranged above the encoder mounting plate; the detection plate is rotatably arranged at the lower end of the encoder mounting plate through a baffle plate and a rotating pin; the front end of the detection plate is used for touching the longan, and the rear end of the detection plate is connected with the stay wire type displacement encoder through a steel wire.

Furthermore, the longan conveying component comprises a material conveying fixed plate, a material conveying stepping motor, a material conveying ball screw, a sliding rod, a screw rod moving fixed plate and a material conveying plate; two ends of the object conveying fixing plate are provided with fixing side plates; the sliding rod is arranged on the inner side of the fixed side plate, and the object-conveying stepping motor is arranged on the outer side of the fixed side plate; the screw rod moving fixing plate is arranged on the sliding rod through a bearing; one end of the object conveying ball screw penetrates through the fixed side plate to be connected with the object conveying stepping motor, and the other end of the object conveying ball screw is connected with the screw moving fixed plate; the object conveying plate is arranged at the lower end of the movable fixing plate.

Furthermore, a guide fixing block is arranged on the object conveying plate; the guide fixing block is provided with a spherical placing part; the spherical placing part is provided with a longan inserting nail.

Further, the longan clamping and transmission assembly comprises a longan clamping component and a longan transmission component; the longan transmission part comprises a transmission fixed plate, a transmission guide rod, a transmission ball screw, a transmission servo motor and a transmission moving plate which are symmetrically arranged; the transmission guide rod is arranged on the inner side of the transmission fixing plate; the transmission servo motor is arranged on the outer side of the transmission fixing plate; the upper end of the transmission moving plate is mounted on the transmission guide rod through a bearing; one end of the transmission ball screw penetrates through the transmission fixing plate and is connected with the transmission servo motor through a coupler, and the other end of the transmission ball screw is connected with the transmission moving plate.

Furthermore, the longan clamping component comprises a clamping die, a push-pull type electromagnet and a grabbing head; the clamping molds are arranged at the lower end of the transmission moving plate in a bilateral symmetry manner; one end of the clamping mould, which is far away from the transmission moving plate, is provided with a hemispherical clamping part; a hinge shaft penetrates through the clamping die; the gripping head is arranged on the lower end surface of the clamping mould; the push-pull electromagnet is arranged on the transmission moving plate through an electromagnetic fixing plate; the lower end of the push-pull electromagnet is connected with the hinge shaft; the hinge shaft is connected with the grabbing head.

Furthermore, a longan grabbing nail for grabbing and inserting the longan shell is arranged at one end, close to the hemispherical clamping part, of the grabbing head; the hemispherical clamping part is provided with an avoidance groove; the longan grabbing nail extends into the dodging groove.

Furthermore, a plurality of optical axis seats are arranged on the object conveying fixing plate; the longan detecting and conveying assembly is arranged on the stand supporting rod through the optical axis seat.

Furthermore, an electric eye fixing piece is arranged on the object conveying fixing plate; the electric eye fixing piece is provided with an electric eye.

Furthermore, a sliding table cover is arranged on the object conveying fixing plate and the fixing side plate.

The utility model has the advantages that:

the utility model is provided with a longan detection and conveying component, a longan clamping and transmission component and a longan detection and conveying component for detecting the size of the longan and conveying the longan to the longan clamping and transmission component; the longan clamping and transmission assembly is used for clamping longan and tearing the shell of the longan; all the components are matched with each other, and the longan processing is orderly and efficient. The utility model has the advantages that:

1. the longan pulp processing equipment is high in automation degree and production efficiency, can automatically detect the diameter of longan, and can effectively peel and remove kernels of the longan with the diameter within a certain range, so that the shell pulp and the kernel pulp of the longan with different sizes can be thoroughly separated, and the product quality is high; the manual operation condition of husking and denucleating of dried longan pulp in the prior production can be thoroughly changed, the difficulties that the manual operation does not meet the sanitary requirement, the efficiency is low, the manpower is insufficient, fresh fruits are difficult to be processed in time and the like are overcome, the automatic flow operation is realized, and the single machine yield is high.

2. The utility model relates to an ingenious, simple structure, the component adopts the processing of general part as far as possible, and special parts complete machine cost is lower, has both been applicable to the use on the automatic production line of food factory, also is fit for fruit grower, and easy popularization and application, economic benefits and social prospect are good.

Drawings

Fig. 1 is a schematic front view of the overall structure of the embodiment of the present invention;

fig. 2 is a schematic back view of the overall structure of the embodiment of the present invention;

fig. 3 is a schematic structural view of a longan seed pressing lifting assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a longan detecting and conveying assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a longan detecting and conveying assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a longan seed cutting assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a longan clamping and transmission assembly according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a arillus longan receiving assembly according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a longan clamping component according to an embodiment of the present invention.

In the drawings: 1-a base plate of the machine; 2-a stand support rod; 3-a frame panel; 4-pressing a longan seed lifting component; 5-longan clamping and transmission assembly; 6-cutting longan seeds into components; 7-longan detection and conveying assembly; 8-a arillus longan receiving component; 21-optical axis seat; 22-electric eye fixation piece; 31-a second guiding optical axis; 32-a second electric eye plate; 41-guide shaft fixing plate; 42-lifting fixed plate; 43-a first lifting transmission rod; 44-a second lifting transmission rod; 45-a nucleus pressing lifting component; 46-a kerneling elevating member; 47-longan clamping lifting component; 51-longan clamping part; 52-longan drive components; 61-column hollow core knife; 62-a knife clamping rotating shaft; 63-a bearing seat; 64-a sheet-shaped nucleus cutter; 65-a core-cutting stepping motor; 66-driven wheel; 67-a tool apron; 68-a pressing blade; 69-a belt; 71-longan detection component; 72-longan transport component; 81-receiving meat swing fixing plate; 82-meat receiving guide rails; 83-meat receiving stepping motor; 84-connecting the meat fixing blocks; 85-receiving a meat rotating shaft; 86-a bushing; 87-meat receiving motor support bar; 88-fixed connecting pieces; 89-a connecting hinge; 411-electric eye mounting fixing plate; 412-first guided optical axis; 413-a first electric eye plate; 451-nucleus pressing lifting stepping motor; 452-pressing core lifting ball screw; 453-moving and fixing plate for nucleus pressing; 454-a coring bar; 455-pressing core needle; 461-nuclear cutting lifting stepping motor; 462-cutting the kernel and lifting the ball screw; 463-cutting the core and moving the fixed plate; 464-cutting a nuclear motor fixing plate; 471-clamping lifting stepping motor; 472-clamping lifting ball screw; 473-clamping the movable fixing plate; 511-clamping the mold; 512-push-pull electromagnet; 513-a gripper head; 514-hinge axis; 521-a transmission fixing plate; 522-drive guide bar; 523-drive ball screw; 524-drive servo motor; 525-a transmission moving plate; 526-axle-hanging fixing plate; 527 — fixed bearing plate; 528-third guided optical axis; 529-a third electric eye plate; 610-top core rod; 611-locking a top core fixing block; 651-driving wheel; 711-stay wire type shift encoder; 712-a detection plate; 713-encoder mounting plate; 714-a baffle plate; 715-rotating pin; 716-detecting the mounting plate; 717-counterweight block; 721-feeding fixed plate; 722-a delivery stepping motor; 723-delivery ball screw; 724-a slide bar; 725-screw rod moving fixing plate; 726-feeding plate; 727-fixing side plates; 728-guiding a fixed block; 729-a slipway cover; 831-motor drive wheel; 5111-hemispherical clamping part; 5112 grasping longan nails; 5113-avoidance groove; 7281-a spherical holding part; 7282 inserting longan nail.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, and the present invention will be described in detail with reference to the accompanying drawings and specific embodiments below according to the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, back, upper end, lower end, top, bottom … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the term "connected" is to be construed broadly, e.g., "connected" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature; in addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Example 1: as shown in fig. 1 to 9, a detection device of an automatic longan peeling and pitting machine comprises:

the engine base comprises an engine base bottom plate 1, wherein an engine base panel 3 is arranged on the engine base bottom plate 1 through an engine base support rod 2;

the longan seed pressing lifting component 4 is arranged on the base panel 3; the longan seed pressing lifting assembly 4 is used for pressing longan seeds;

the longan clamping and transmission assembly 5 is arranged at the upper end of the longan seed pressing lifting assembly 4; the longan clamping and transmission assembly 5 is used for clamping longans and tearing shells of the longans; the longan seed cutting assembly 6 is arranged at the lower end of the longan seed pressing lifting assembly 4 and is positioned below the longan clamping and transmission assembly 5; the longan seed cutting component 6 is used for cutting off the pulp and seed of the longan and cutting an opening on the longan shell in advance;

the longan detection and conveying assembly 7 is arranged at the upper end of the stand supporting rod 2; the longan detecting and conveying assembly 7 is used for detecting the sizes of the longans and conveying the longans to the longan clamping and driving assembly 5; and the number of the first and second groups,

the longan pulp receiving assembly 8 is arranged at the lower end of the stand supporting rod 2, and the longan pulp receiving assembly 8 is arranged at the lower end of the stand supporting rod 2; the longan pulp receiving assembly 8 is used for receiving separated longan pulp.

The automatic longan peeling and pitting machine further comprises a programmable logic controller PLC or a control system, wherein the programmable logic controller PLC or the control system is electrically connected with the longan seed pressing lifting component 4, the longan clamping and transmission component 5, the longan seed cutting component 6, the longan detection and conveying component 7 and the longan pulp receiving component 8 through circuits respectively; the programmable logic controller PLC or the control system controls each component to carry out ordered and mutually matched processing, and provides the longan pulp processing equipment with high automation degree and high production efficiency; the shell and the meat are thoroughly separated, the integrity of the pulp can be kept to the maximum extent when the core is dug, and the juice loss is less; the longan pulp produced has high quality, good economic benefit, easy popularization and application and good social benefit prospect.

Specifically, in the present embodiment, the longan detecting and conveying assembly 7 includes a longan detecting component 71 and a longan conveying component 72; the longan detection part 71 comprises a stay wire type displacement encoder 711, a detection plate 712 and an encoder mounting plate 713; the stay wire type shift encoder 711 is mounted above the encoder mounting plate 713; the detection plate 712 is rotatably mounted at the lower end of the encoder mounting plate 713 by a blocking piece 714 and a rotating pin 715; the detection plate 712 has a front end for touching a longan, and a rear end of the detection plate 712 is connected to the string type displacement encoder 711 by a wire (not shown).

It should be noted that the wire-drawing type displacement encoder 711 detects diameter data of the longan by detecting the rotation amplitude of the plate 712, and when the diameter of the longan is large, the rotation amplitude of the plate 712 is large, and the tension applied to the wire-drawing type displacement encoder 711 by the wire is increased; the pulling force applied to the wire-pulling type displacement encoder 711 is also increased, the changed pulling force numerical value is converted into a corresponding longan diameter numerical value, so that the diameter of the longan to be processed is detected to be larger, the longan diameter numerical value is converted into a control signal and is sent to a Programmable Logic Controller (PLC) or a control system, ordered control is respectively carried out on the longan seed pressing lifting assembly 4, the longan clamping and transmission assembly 5, the longan seed cutting assembly 6 and the longan detection and conveying assembly 7, all the assemblies are mutually matched to work, and accurate husking and stoning are carried out on the longans with different diameters; similarly, when the diameter of the longan is small, the rotation amplitude of the detection plate 712 is small, and the steel wire gives a small pulling force to the stay wire type displacement encoder 711; the change value of the tension applied to the stay wire type displacement encoder 711 is small, so that the diameter of the longan to be processed is detected to be small; the diameters of the longans detected by the stay wire type displacement encoder 711 through the detection plate 712 are different, and then the diameters are converted into different control signals, and the control signals are sent to the programmable logic controller PLC or the control system, so that the function of automatically detecting the sizes of the longans is realized, effective husking and denucleation are carried out on the longans within a certain diameter and size range, and accordingly, the longan shell and kernel can be thoroughly separated, and the product quality is high.

Specifically, in the present embodiment, the longan detection member 71 is mounted on the longan transport member 72 via a detection mounting plate 716; the rear end of the detection plate 712 is provided with a weight 717. It should be noted that the detection plate 712 is provided with the weight 717, so that the rotation sensitivity of the detection plate 712 is enhanced, the detection accuracy of the stay wire type displacement encoder 711 is further improved, and the processing quality of the longan is improved.

Specifically, in this embodiment, the longan conveying component 72 includes a feeding fixing plate 721, a feeding stepping motor 722, a feeding ball screw 723, a sliding rod 724, a screw moving fixing plate 725 and a feeding plate 726; fixed side plates 727 are arranged at two ends of the object conveying fixed plate 721; the sliding rod 724 is mounted on the inner side of the fixed side plate 727, and the object-conveying stepping motor 722 is mounted on the outer side of the fixed side plate 727; the lead screw moving fixing plate 725 is mounted on the sliding rod 724 through a bearing; one end of the object-feeding ball screw 723 passes through the fixed side plate 727 to be connected with the object-feeding stepping motor 722, and the other end of the object-feeding ball screw is connected with the screw rod moving fixing plate 725; the object conveying plate 726 is mounted at the lower end of the movable fixing plate; a guide fixed block 728 is arranged on the object conveying plate 726; the guide fixing block 728 is provided with a spherical placing part 7281; the ball-shaped placing part 7281 is provided with longan inserting nails 7282.

The longan to be processed is screened in advance, and undersized longan is screened out to obtain the longan to be processed with the diameter and the size within a certain range; placing the longans to be processed on a pre-installed conveying belt to realize the conveying function; feeding by adopting a preset manipulator or manpower; placing the longan to be processed on the spherical placing part 7281, slightly pressing the longan to fixedly insert the longan on the longan inserting nails 7282; the object-conveying stepping motor 722 drives the object-conveying ball screw 723 to rotate in a forward rotation or reverse rotation mode, so that the screw rod moving fixing plate 725 is driven to move back and forth on the sliding rod 724, when the longan is loaded, the object-conveying plate 726 moves towards the longan clamping and transmission assembly 5, the guide fixing block 728 passes through the detection plate 712 positioned right above the object-conveying stepping motor, at the moment, the front end of the detection plate 712 contacts with the longan, the detection plate 712 abuts against the shell of the longan, and the detection plate 712 slides from one end of the diameter of the longan to the other end of the diameter of the; the detection board 712 transmits the moving data to the stay wire type displacement encoder 711 through a steel wire, and diameter data of the longan is obtained through the stay wire type displacement encoder 711. After passing through the detection plate 712, the longan is conveyed to the longan clamping and transmission assembly 5, and then the longan clamping and transmission assembly 5 clamps the longan; the delivery plate 726 leaves the longan clamping and transmission assembly 5 and returns to the longan loading position, followed by the next longan loading.

Specifically, in this embodiment, the object-feeding fixing plate 721 is provided with a plurality of optical axis seats 21; the longan detecting and conveying assembly 7 is arranged on the stand supporting rod 2 through the optical axis seat 21.

Specifically, in this embodiment, the eye fixing piece 22 is mounted on the object-feeding fixing plate 721; the electric eye fixing piece 22 is provided with an electric eye. It should be noted that the moving state of the object-conveying plate 726 can be detected by installing the electric eye, and a control signal is sent to the programmable logic controller PLC or the control system to control the movement of the object-conveying plate 726, so that the object-conveying plate 726 is accurately moved to the clamping position and returned to the loading position.

Specifically, in this embodiment, the article conveying fixing plate 721 and the fixing side plate 727 are provided with a sliding table cover 729. It should be noted that the sliding table cover 729 is installed on the article-conveying fixing plate 721 and the fixing side plate 727 to prevent dust or impurities from entering the article-conveying ball screw 723 and the sliding rod 724, so as to ensure the accurate conveyance of the longans.

Specifically, in the present embodiment, the longan seed cutting assembly 6 includes a cylindrical hollow seed cutting knife 61, a clamping knife rotating shaft 62, a bearing seat 63, a sheet seed cutting knife 64 and a seed cutting stepping motor 65; the bearing block 63 is mounted at the front end of the core cutting movable fixing plate; the cutter clamping rotating shaft 62 is assembled on the bearing block 63; the upper end of the clamping cutter rotating shaft 62 clamps the columnar hollow core cutter 61, and the lower end of the clamping cutter rotating shaft 62 is provided with a driven wheel 66; the sheet-shaped core cutting knives 64 are symmetrically arranged at two sides of the columnar hollow core cutting knife 61 through a knife holder 67.

Specifically, in the present embodiment, the cutting edge of the sheet-shaped kernel cutting knife 64 is obliquely upward away from the cylindrical hollow kernel cutting knife 61; the sheet-shaped nucleus cutting knife 64 is fixedly arranged on the knife holder 67 through a pressing blade 68; the core cutting stepping motor 65 is arranged at the rear end of the core cutting moving fixing plate through a core cutting motor fixing plate; a driving wheel 651 is arranged on a driving main shaft of the core cutting stepping motor 65; the driving wheel 651 is in transmission connection with the driven wheel 66 through a belt 69; the longan seed cutting component 6 also comprises a seed ejecting rod 610; the core ejecting rod 610 is fixedly mounted on the base bottom plate 1 through the locking core ejecting fixing block 611; the upper end of the core ejecting rod 610 penetrates through the clamping cutter rotating shaft 62 and the columnar hollow core cutting cutter 61, and is positioned at the same axis with the core pressing rod to eject the longan core.

When the longan seeds are cut, the seed cutting stepping motor 65 drives the clamping knife rotating shaft 62 to rotate through the belt 69, and then drives the columnar hollow seed cutting knife 61 to rotate; the cutting edge at the upper end of the columnar hollow kernel cutting knife 61 cuts the bottom of the longan by rotating, namely, the longan pedicle part is cut, and the columnar hollow kernel cutting knife 61 successfully cuts pulp from kernels; meanwhile, the flaky kernel cutting knife 64 cuts two openings on the longan shell, so that the longan shell can be conveniently torn by the subsequent longan clamping and transmission assembly 5, and the longan shell and pulp can be separated.

Specifically, in the embodiment, the longan kernel pressing and lifting assembly 4 includes a guide shaft fixing plate 41, a lifting fixing plate 42, a first lifting transmission rod 43, a second lifting transmission rod 44, a kernel pressing and lifting component 45, a kernel cutting and lifting component 46, and a longan clamping and lifting component 47; the first lifting transmission rods 43 are symmetrically arranged between the guide shaft fixing plate 41 and the lifting fixing plate 42; the second lifting transmission rods 44 are symmetrically arranged between the machine base panel 3 and the lifting fixing plate 42; the nuclear pressing lifting component 45 and the nuclear cutting lifting component 46 are arranged on the first lifting transmission rod 43 from top to bottom; the longan clamping lifting component 47 is mounted on the second lifting transmission rod 44.

Specifically, in this embodiment, the nuclear cutting lifting component 46 includes a nuclear cutting lifting stepping motor 461, a nuclear cutting lifting ball screw 462 and a nuclear cutting moving fixing plate 463; the nuclear cutting lifting stepping motor 461 is arranged on the first lifting transmission rod 43 through a nuclear cutting motor fixing plate 464; the upper end of the core cutting lifting ball screw 462 is connected with the driving shaft of the core cutting lifting stepping motor 461, and the lower end of the core cutting lifting ball screw 462 is connected with the core cutting moving fixing plate 463; the nucleus cutting movement fixing plate 463 is slidably mounted on the first elevating transmission rod 43 through a linear bearing and a cushion cover. It should be noted that the core cutting lifting stepping motor 461 drives the core cutting lifting ball screw 462 to rotate in a forward rotation or a reverse rotation manner, so as to drive the core cutting moving fixing plate 463 to perform lifting movement on the first lifting transmission rod 43 in cooperation with each component; and orderly operation of each component is realized.

Specifically, in this embodiment, the pressing core lifting component 45 includes a pressing core lifting stepping motor 451, a pressing core lifting ball screw 452, and a pressing core moving fixing plate 453; the nucleus pressing lifting stepping motor 451 is arranged on the nucleus cutting moving fixing plate 463; the upper end of the pressing core lifting ball screw 452 is connected with the driving shaft of the pressing core lifting stepping motor 451, and the lower end of the pressing core lifting ball screw 452 is connected with the rear end of the pressing core moving fixing plate 453; the core pressing moving fixing plate 453 is slidably mounted on the first elevating transmission rod 43 through a linear bearing and a cushion cover; the nucleus pressing movement fixing plate 453 is positioned above the nucleus cutting movement fixing plate 463; a vertically downward core pressing rod 454 is arranged at the front end of the core pressing moving fixing plate 453; the lower end of the core pressing rod 454 is provided with a core pressing needle 455 which penetrates into the longan to press the longan core. It should be noted that the pressing core lifting ball screw 452 is driven to rotate by the positive rotation or the negative rotation of the pressing core lifting stepping motor 451, so as to drive the pressing core moving fixing plate 453 to cooperate with each component on the first lifting transmission rod 43 to perform the lifting motion; and orderly operation of each component is realized. The lifting movement is carried out, and the pressing rod 454 can press the longan seeds or leave the longan seeds through the lifting movement.

Specifically, in this embodiment, the longan clamping and lifting component 47 includes a clamping and lifting stepping motor 471, a clamping and lifting ball screw 472, and a clamping and moving fixing plate 473; the clamping lifting stepping motor 471 is mounted on the lifting fixing plate 42; the upper end of the clamping lifting ball screw 472 is connected with a driving shaft of the clamping lifting stepping motor 471; the lower end of the clamping lifting ball screw 472 is connected with the clamping moving fixing plate 473; the clamping movement fixing plate 473 is slidably mounted on the second elevation driving bar 44 through a linear bearing and a cushion cover. It should be noted that the clamping lifting stepping motor 471 rotates in a forward or reverse direction to drive the clamping lifting ball screw 472 to rotate, so as to drive the clamping moving fixing plate 473 to perform lifting movement on the second lifting transmission rod 44 in cooperation with each component; and orderly operation of each component is realized. The longan clamping and transmission assembly 5 moves up and down along with the clamping movable fixing plate 473, so that the longan clamping position is adjusted.

Specifically, in this embodiment, an electric eye sensing piece 474 is mounted on one side of the clamping movable fixing plate 473; a second guide optical axis 31 is further installed between the base panel 3 and the lifting fixing plate 42; a second electric eye plate 32 is mounted on the second guiding optical axis 31. It should be noted that, by providing the electric eye sensing piece 474 and providing the electric eye on the second electric eye plate 32, the motion state of the longan clamping and driving assembly 5 can be detected, and a control signal is sent to the programmable logic controller PLC or the control system to control the lifting motion of the longan clamping and driving assembly 5, so that the detected longan clamping and driving assembly 5 is accurately lifted to the clamping position and the stoning position.

Specifically, in the present embodiment, the electric eye mounting fixing plate 411 is respectively mounted on the same side surface of the guide shaft fixing plate 41 and the nuclear cutting motor fixing plate 464; a first guide optical axis 412 is mounted on the electric eye mounting fixing plate 411; a first electric eye plate 413 is mounted on the first guide optical axis 412. It should be noted that, by providing the electric eye on the first electric eye plate 413, the moving state of the longan seed cutting assembly 6 can be detected, and a control signal is sent to the programmable logic controller PLC or the control system to control the lifting movement of the longan seed cutting assembly 6, so that the longan seed cutting assembly 6 is accurately lifted to the seed cutting position and the clamping position.

Specifically, in the present embodiment, the longan clamping and transmission assembly 5 includes a longan clamping component 51 and a longan transmission component 52; the longan transmission component 52 comprises a transmission fixing plate 521, a transmission guide rod 522, a transmission ball screw 523, a transmission servo motor 524 and a transmission moving plate 525 which are symmetrically arranged; the transmission guide rod 522 is installed at the inner side of the transmission fixing plate 521; the transmission servo motor 524 is installed at the outer side of the transmission fixing plate 521; the upper end of the transmission moving plate 525 is mounted on the transmission guide rod 522 through a bearing; one end of the transmission ball screw 523 penetrates through the transmission fixing plate 521 and is connected with the transmission servo motor 524 through a coupler, and the other end of the transmission ball screw is connected with the transmission moving plate 525. The transmission ball screw 523 is driven to rotate by the forward rotation or reverse rotation of the transmission servo motor 524, so that the transmission moving plate 525 is driven to move left and right, and the opening and closing movement of the longan clamping component 51 is further controlled.

Specifically, in this embodiment, the transmission guide rod 522 is further provided with a shaft holding fixing plate 526 and a fixing bearing plate 527; longan clamping and transmission assembly 5 passes through embrace the axle fixed plate 526 and install press longan nuclear lifting unit 4 is last.

Specifically, in this embodiment, a third guiding optical axis 528 is further installed at the upper end of the transmission fixing plate 521; a third electric eye plate 529 is mounted on the third guide optical axis 528; the third electric eye plate 529 is mounted with an electric eye. It should be noted that, the electric eye mounted on the third electric eye plate 529 can detect the motion state of the transmission moving plate 525, and send a control signal to the programmable logic controller PLC or the control system to control the opening and closing motion of the transmission moving plate 525, so that the longan clamping component 51 clamps the longan or loosens the longan after the longan is processed.

Specifically, in this embodiment, the longan clamping component 51 includes a clamping mold 511, a push-pull electromagnet 512, and a grasping head 513; the clamping molds 511 are symmetrically arranged at the lower end of the transmission moving plate 525 in the left-right direction; one end of the clamping die 511, which is far away from the transmission moving plate 525, is provided with a hemispherical clamping part 5111; a hinge shaft 514 is provided through the clamping mold 511; the gripping head 513 is mounted on the lower end surface of the clamping mold 511; the push-pull electromagnet 512 is arranged on the transmission moving plate 525 through an electromagnetic fixing plate; the lower end of the push-pull electromagnet 512 is connected with the hinge shaft 514; the hinge shaft 514 is connected with the gripping head 513; a longan grabbing nail 5112 for grabbing and inserting a longan shell is arranged at one end, close to the hemispherical clamping part 5111, of the grabbing head 513; the hemispherical clamping part 5111 is provided with an avoidance groove 5113; the longan grabbing nail 5112 extends into the avoiding groove 5113.

It should be noted that, the clamping mold 511 realizes the clamping and releasing of the longan by the movement of the transmission moving plate 525, after the longan is clamped by the clamping mould 511, the push-pull electromagnet 512 is electrified to work to pull the hinge shaft 514 upwards to drive the grabbing head 513 to move vertically upwards, at the moment, the longan grabbing nail 5112 moves upwards along with the grabbing head 513, the longan grabbing nail 5112 is inserted between the longan shell and the longan pulp, after the longan is cut into the core, the movable plate 525 is moved through transmission, the clamping mould 511 moves backwards to loosen the clamping of the longan, the longan nail 5112 gradually tears the longan shell along with the movement of the clamping mould 511, because the longan shell is cut into two openings through the flaky core cutting knife 64 in advance, under the pulling force of the longan nail 5112, the longan shell is smoothly torn, the longan pulp is separated from the longan shell, and meanwhile, the core pressing needle 455 moves downwards to eject the separated longan core. It should be noted that the clamping mold 511 with corresponding size can be replaced according to longans with different sizes; the clamping mold 511 can clamp other products to be processed like longan, such as lichee and the like; the equipment is not limited to be used for processing longan.

Specifically, in the embodiment, the arillus longan receiving assembly 8 includes a arillus longan receiving swing fixing plate 81, a arillus longan receiving guide rail 82 and a arillus longan receiving stepping motor 83; the arillus longan receiving assembly 8 is mounted on the stand supporting rod 2 through the arillus longan receiving swing fixing plate 81; a meat receiving fixing block 84 is arranged at the lower end of the meat receiving guide rail 82; the lower end of the meat receiving fixed block 84 is connected with a meat receiving rotating shaft 85; the meat receiving rotating shaft 85 is arranged on the upper end surface of the meat receiving swing fixing plate 81 through a lining 86; the meat receiving stepping motor 83 is arranged on the meat receiving swing fixing plate 81 through a meat receiving motor supporting rod 87; a driving shaft of the meat receiving stepping motor 83 is provided with a motor driving wheel 831; a fixed connecting sheet 88 is arranged on one side surface of the meat connecting fixing block 84 close to the meat connecting stepping motor 83; a connecting hinge 89 is connected between the motor driving wheel 831 and the fixed connecting sheet 88 through a rotating pin; the meat receiving stepping motor 83 drives the meat receiving guide rail 82 to swing back and forth, so that the upper port of the meat receiving guide rail 82 is at or far away from the position right below the lower end of the clamping die 511. It should be noted that, after the longan is shelled and decored, the longan pulp receiving stepping motor 83 drives the longan pulp receiving guide rail 82 to rotate to the position below the longan clamping and transmission assembly 5, after receiving the longan pulp, the longan pulp slides down to the collecting box along the longan pulp receiving guide rail 82, the longan pulp receiving stepping motor 83 drives the longan pulp receiving guide rail 82 to rotate and reset to the initial position, and the whole process of the longan shelling and decoring is completed. It should be noted that the driving assembly of the automatic longan peeling and pitting machine is not limited to the stepping motor and the servo motor, and the driving assembly of the automatic longan peeling and pitting machine can be an air cylinder or a hydraulic cylinder.

Specifically, the utility model discloses a concrete theory of operation:

1) firstly, screening the longans to be processed in advance by workers, and screening the longans with smaller diameters; placing the screened longan on a conveyor belt, and conveying the longan to a loading position through the conveyor belt; the longan to be processed is placed on the spherical placing portion 7281 arranged on the guide fixing block 728 by a mechanical arm or manually, the longan is lightly pressed, the longan is fixedly inserted into the longan inserting nail 7282, the longan is conveyed to the clamping position through the object conveying plate 726, the longan can pass through the longan detection part 71 in the conveying process, the longan passes through the detection plate 712, the diameter data of the longan is fed back to the stay wire type displacement encoder 711 by the detection plate 712, and the control signal converted by the stay wire type displacement encoder 711 after the detection data is processed is sent to the PLC or the control system to orderly control each component to work.

2) The longan clamping and transmission assembly 5 descends to a clamping position, a hemispherical clamping part 5111 arranged on the clamping die 511 clamps the longan, the push-pull type electromagnet 512 is electrified to work to pull the hinge shaft 514 upwards to drive the grabbing head 513 to vertically move upwards, at the moment, the longan grabbing nail 5112 moves upwards along with the grabbing head 513, and the longan grabbing nail 5112 is inserted between the longan shell and the longan pulp; at this point, feed plate 726 exits the clamping station to return to the upper level.

3) The pressing rod 454 descends along with the pressing moving fixing plate 453, the pressing needle 455 penetrates into the longan to press the top end of the longan seed, and meanwhile, the longan clamping and transmission assembly 5 and the longan seed cutting assembly 6 descend to the seed cutting position together; the top core rod 610 penetrates through the longan seed cutting assembly 6 to prop against the bottom end of the longan seed, and the longan seed is fixed in the vertical direction under the combined action of the pressing needle and the top core rod 610.

4) When the longan seed cutting component 6 runs to the seed cutting position, the seed cutting stepping motor 65 drives the cutter clamping rotating shaft 62 to rotate through the belt 69, and further drives the columnar hollow seed cutting cutter 61 to rotate; the cutting edge at the upper end of the columnar hollow kernel cutting knife 61 cuts the bottom of the longan by rotating, namely, the longan pedicle part is cut, and the columnar hollow kernel cutting knife 61 successfully cuts pulp from kernels; meanwhile, the flaky kernel cutter 64 cuts two openings on the longan shell; after the kernel cutting is completed, the longan kernel cutting assembly 6 moves to the initial position.

5) Longan clamping rises to the clamping position with transmission module 5, through the motion of transmission movable plate 525, make the clamping mould 511 move dorsad and loosen the clamping to the longan, grab longan nail 5112 along with the removal of clamping mould 511, tear the shell of longan gradually, because the longan shell cuts two openings through slice nuclear sword 64 in advance, under the pulling force of grabbing longan nail 5112, tear the longan shell smoothly, accomplish the separation of arillus longan and shell, press nuclear needle 455 downstream simultaneously, the longan core that will have accomplished the separation is ejecting.

6) After the longan is shelled and decorticated, the longan pulp receiving stepping motor 83 drives the longan pulp receiving guide rail 82 to rotate to the position below the longan clamping and transmission assembly 5, after the longan pulp is received, the longan pulp slides down to the collecting box along the longan pulp receiving guide rail 82, the longan pulp receiving stepping motor 83 drives the longan pulp receiving guide rail 82 to rotate and reset to the initial position, and all the longan shelling and decortication procedures are completed; repeating the above steps to process the next longan.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. A detection device of an automatic longan husking and pitting machine comprises a base plate, wherein a base panel is arranged on the base plate through a base support rod; the machine base panel is provided with a longan clamping and transmission assembly; the method is characterized in that: a longan detection and conveying assembly is mounted on the stand supporting rod; the longan detecting and conveying assembly is used for detecting the sizes of the longans and conveying the longans to the longan clamping and transmission assembly.

2. The detection device of the automatic longan peeling and pitting machine as claimed in claim 1, wherein: the longan detection and conveying assembly comprises a longan detection part and a longan conveying part; the longan detection component comprises a stay wire type displacement encoder, a detection plate and an encoder mounting plate; the stay wire type displacement encoder is arranged above the encoder mounting plate; the detection plate is rotatably arranged at the lower end of the encoder mounting plate through a baffle plate and a rotating pin; the front end of the detection plate is used for touching the longan, and the rear end of the detection plate is connected with the stay wire type displacement encoder through a steel wire.

3. The detection device of the automatic longan peeling and pitting machine as claimed in claim 2, wherein: the longan conveying component comprises a material conveying fixed plate, a material conveying stepping motor, a material conveying ball screw, a sliding rod, a screw rod moving fixed plate and a material conveying plate; two ends of the object conveying fixing plate are provided with fixing side plates; the sliding rod is arranged on the inner side of the fixed side plate, and the object-conveying stepping motor is arranged on the outer side of the fixed side plate; the screw rod moving fixing plate is arranged on the sliding rod through a bearing; one end of the object conveying ball screw penetrates through the fixed side plate to be connected with the object conveying stepping motor, and the other end of the object conveying ball screw is connected with the screw moving fixed plate; the object conveying plate is arranged at the lower end of the movable fixing plate.

4. The detection device of the automatic longan peeling and pitting machine as claimed in claim 3, wherein: the object conveying plate is provided with a guide fixing block; the guide fixing block is provided with a spherical placing part; the spherical placing part is provided with a longan inserting nail.

5. The detection device of the automatic longan peeling and pitting machine as claimed in claim 4, wherein: the longan clamping and transmission assembly comprises a longan clamping component and a longan transmission component; the longan transmission part comprises a transmission fixed plate, a transmission guide rod, a transmission ball screw, a transmission servo motor and a transmission moving plate which are symmetrically arranged; the transmission guide rod is arranged on the inner side of the transmission fixing plate; the transmission servo motor is arranged on the outer side of the transmission fixing plate; the upper end of the transmission moving plate is mounted on the transmission guide rod through a bearing; one end of the transmission ball screw penetrates through the transmission fixing plate and is connected with the transmission servo motor through a coupler, and the other end of the transmission ball screw is connected with the transmission moving plate.

6. The detection device of the automatic longan peeling and pitting machine as claimed in claim 5, wherein: the longan clamping component comprises a clamping die, a push-pull electromagnet and a grabbing head; the clamping molds are arranged at the lower end of the transmission moving plate in a bilateral symmetry manner; one end of the clamping mould, which is far away from the transmission moving plate, is provided with a hemispherical clamping part; a hinge shaft penetrates through the clamping die; the gripping head is arranged on the lower end surface of the clamping mould; the push-pull electromagnet is arranged on the transmission moving plate through an electromagnetic fixing plate; the lower end of the push-pull electromagnet is connected with the hinge shaft; the hinge shaft is connected with the grabbing head.

7. The detection device of the automatic longan peeling and pitting machine as claimed in claim 6, wherein: a longan grabbing nail for grabbing and inserting the longan shell is arranged at one end, close to the hemispherical clamping part, of the grabbing head; the hemispherical clamping part is provided with an avoidance groove; the longan grabbing nail extends into the dodging groove.

8. The detection device of the automatic longan peeling and pitting machine as claimed in claim 3, wherein: the object conveying fixing plate is provided with a plurality of optical axis seats; the longan detecting and conveying assembly is arranged on the stand supporting rod through the optical axis seat.

9. The detection device of the automatic longan peeling and pitting machine as claimed in claim 3, wherein: the object conveying fixing plate is provided with an electric eye fixing piece; the electric eye fixing piece is provided with an electric eye.

10. The detection device of the automatic longan peeling and pitting machine as claimed in claim 3, wherein: and sliding table covers are arranged on the object conveying fixing plate and the fixing side plates.

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