CN111422407B

CN111422407B - Longan packaging machine

Info

Publication number: CN111422407B
Application number: CN202010243081.3A
Authority: CN
Inventors: 方敏
Original assignee: Fangjiapuzi Putian Green Food Co ltd
Current assignee: Fangjiapuzi Putian Green Food Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-07-30
Anticipated expiration: 2040-03-31
Also published as: CN111422407A

Abstract

The invention relates to the field of longan processing equipment, in particular to a longan packaging machine, which comprises a controller, a confluence device, a bag feeding device and a plurality of defective product removing devices sequentially arranged at intervals along a straight line, wherein each defective product removing device comprises a conveying belt, a blowing assembly, a high-frequency ultrasonic probe and a single product feeder, the blowing assembly is arranged at one side of the conveying belt, the single product feeder is arranged at the downstream end of the conveying belt, the single product feeder and the conveying belt are communicated through a first drainage piece, the high-frequency ultrasonic probe is obliquely arranged above the single product feeder, the confluence device is arranged below all the single product feeders, each single product feeder is communicated with the feeding end of the confluence device through a second drainage piece, the discharging end of the confluence device is provided with a weighing device, the bag is arranged below the weighing device, and all the high-frequency ultrasonic probes are electrically connected with the controller. The longan shell breaking detection device can automatically detect the quality of longan shells and longan shells, and greatly improves the processing efficiency and the detection quality.

Description

Longan packaging machine

Technical Field

The invention relates to the field of longan processing equipment, in particular to a longan packaging machine.

Background

Longan is also known as longan and litchi. Is a kind of fruit. There are many thirty species of longan such as tiger's eye and Shixia longan. The Fujian, Taiwan, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan and other places in China are all distributed. Wherein the Fujian yield accounts for 50% of the total yield of China. Harvesting in autumn when the fruit is mature, peeling off pericarp, and fresh-keeping, or drying the fruit, and peeling off aril for use.

In the longan packaging process, a large amount of longan with empty shells or broken shells mixed inside the longan needs to be manually screened in advance, so that the problem that the longan with defective products and the longan with qualified products are mixed into packaging bags to be sold synchronously is prevented, and the overall sale quality of the longan is influenced; however, the longan is small in size and large in quantity, manual screening efficiency is very slow, production progress is influenced, and in the manual screening process, fatigue can be generated, so that the condition of missing detection can be caused.

Disclosure of Invention

The invention aims to provide a longan packaging machine aiming at the defects of the prior art.

In order to solve the above problems, the present invention provides the following technical solutions:

the utility model provides a longan packaging machine, which comprises a controller, the device converges, go into the substandard product removing device that bagging apparatus and a plurality of set up along a straight line order interval, all substandard product removing device's structure is the same, substandard product removing device includes the conveyer belt, the air-blast subassembly, high frequency ultrasonic probe and single product feeder, the air-blast subassembly is installed in one side of conveyer belt, the single product feeder is installed at the low reaches end of conveyer belt, and be linked together through first drainage piece between the two, high frequency ultrasonic probe is the top of slope locating the single product feeder, the device that converges is located the below of all single product feeders, every single product feeder all communicates with the feed end of converging the device through a second drainage piece, the weighing device is installed to the discharge end of converging device, go into the bagging apparatus below of locating the weighing device, all high frequency ultrasonic probe all with controller electric connection.

Further, the single product feeder includes step motor, carousel and five are spoke form material containing rod that outwards disperse, and the outer pot head that contains the material rod is equipped with the feed cylinder, and the feed cylinder is truncated cone column structure, and the bottom face of feed cylinder is outside to its bottom is uncovered structure, and step motor installs in the carousel outside, and its output main shaft is connected with the coaxial transmission of carousel.

Further, first drainage piece includes the feeder hopper, passive form telescopic link and hollow structure's play stub bar, the feeder hopper is loudspeaker column structure, and still be the slope gesture setting, the stub bar passes through the narrow end intercommunication of passive form telescopic link and feeder hopper, the low reaches end of conveyer belt extends to in the other end of feeder hopper, the axial of feeder hopper constitutes a 35 contained angle with the direction of transfer of conveyer belt, the outside of feeder hopper is equipped with first dodge the gas pole, and its piston shaft is connected with the stub bar, it sets up with the feeder hopper coaxial line all the time to go out the stub bar, drive out the stub bar through first dodging the gas pole and can follow self axis reciprocating motion, the internal diameter of going out the stub bar is greater than the external diameter of feed cylinder.

Further, the air-blast subassembly includes that driving motor and a plurality of follow the fan group that the direction of transfer of conveyer belt equidistant set up, and driving motor passes through the hold-in range and is connected with all fan group transmissions, and the air supply direction of all fan groups all faces the conveyer belt, and the both sides of the long edge direction of conveyer belt are equipped with a shelves strip that parallels with it respectively, and the shelves strip is suspended in the top of conveyer belt, and the bottom of shelves strip is 1 ~ 1.5cm with the conveying plane interval of conveyer belt.

Further, the second drainage spare is the same with first drainage spare structure, feeder hopper orientation carousel in the second drainage spare, and the outside of this feeder hopper is equipped with the second and dodges the gas pole, the piston shaft that the gas pole was dodged to the second is connected with this feeder hopper outside transmission, the feeder hopper of dodging its position of gas pole drive through the second can be close to the carousel direction, the below of the stub bar in the second drainage spare is equipped with the guide slide of half a range of slope down, the upper reaches end of guide slide is equipped with the waste material slide, U type breach has been seted up to guide slide upper reaches end, the waste material slide articulates in U type breach, the outside of guide slide is provided with the free end pivoted that is used for driving the waste material slide and opens and close the motor, the breach that staggers that can dodge mutually with the stub bar in the second drainage spare is seted up to the free end of waste material slide.

Furthermore, the transmitting direction of the high-frequency ultrasonic probe forms a 75-degree included angle with the axial direction of the feed hopper in the first drainage piece and the second drainage piece respectively, and the interval angle between every two material containing rods is 75 degrees.

Furthermore, the confluence device comprises a confluence bin, an opening and closing plate and a thin cylinder, the confluence bin is close to an isosceles triangle structure, the bottom edge of the confluence bin is communicated with the downstream ends of all the guide slideways, the top end of the confluence bin is inclined downwards, one end of the confluence bin is of an open structure, the opening and closing plate is vertically arranged above the top end of the confluence bin, the thin cylinder is arranged above the opening and closing plate in an inverted mode, a piston shaft of the thin cylinder is in transmission connection with the opening and closing plate, the weighing device comprises an ultrathin electronic scale, a first guardrail plate, a discharging plate and a drainage bin, the drainage bin is arranged below the top end of the confluence bin, the downstream end of the drainage bin is inclined downwards, one end of the discharging plate is connected in the drainage bin in an axial mode, the ultrathin electronic scale is horizontally arranged on the upper surface of the discharging plate, a discharging motor used for driving the free end of the discharging plate to rotate is arranged outside the drainage bin, the first guardrail plate is horizontally arranged outside the top end of the confluence bin, and also faces the one end of the confluence bin.

Further, the opening of the low reaches end of drainage storehouse is narrowed down by its incline direction gradually by the width and is set up, the low reaches end of drainage storehouse is provided with third drainage piece, third drainage piece includes feeding funnel, connecting pipe and lower hopper, feeding funnel and lower hopper set up respectively at the both ends of connecting pipe, and the three is linked together, feeding funnel and lower hopper all are loudspeaker column structure, annular baffle is installed at the top of feeding funnel, the feeding funnel communicates mutually through the low reaches end of annular baffle with the drainage storehouse.

Further, go into the bagging apparatus and include the round platform and two symmetry settings at the peripheral first material subassembly that absorbs of round platform, first material subassembly that absorbs includes gets the material cylinder, backup pad and four rubber suction nozzles that are the rectangle and distribute in the backup pad front side, it is horizontal installation in the round platform bottom to get the material cylinder, the backup pad is in the round platform outside, and its dorsal part is connected with the piston shaft transmission of getting the material cylinder, the round platform top is provided with gets the material motor, it is connected with the round platform transmission to get the material motor, and it rotates around self axis marching type to be used for driving the round platform, the below of lower hopper is provided with the bag subassembly of opening just to the round platform, it is the same with first material subassembly structure to open the bag subassembly, the output direction of opening the bag subassembly is towards the round platform, after one of them first material subassembly rotates to just opening the bag subassembly, lower hopper is in this first material subassembly and opens between the bag subassembly.

Furthermore, a vertical servo electric cylinder is arranged below the bag opening assembly, a rotary air cylinder is installed at the output end of the servo electric cylinder, and a material receiving frame is installed at the output end of the rotary air cylinder.

Has the advantages that: the longan packaging machine is characterized in that a conveying belt is used for conveying single longan, namely, batch of longan can be poured onto a vibrating machine, the opening specification of the discharging end of the vibrating machine can only be used for discharging one longan at the same time, a flow guide pipeline is arranged at the upstream end of the conveying belt and is suspended on the conveying belt, the longan from the vibrating machine stably slides onto the conveying plane of the conveying belt, and then the longan is forced to slide along the conveying direction due to the conveying force of the conveying belt; in the process, the longan linearly moves, meanwhile, the blocking strips on the two sides of the longan limit the lower half section of the longan to prevent the longan from rolling out of the conveying belt, meanwhile, the air blowing assembly can blow single longan which advances one by one on the conveying belt, and the air force can only blow the empty shell but cannot blow the longan with the core and the pulp inside; meanwhile, the air supply direction of the air blowing assembly enables the empty shells to be forced to fall towards the other side of the conveying belt, and meanwhile, the set horizontal height of the blocking strips is not enough to limit and intercept the longan in the empty shells; after the empty shell removing process, enabling single longan to enter the single product feeder, enabling the single longan to rotate to a region opposite to the high-frequency ultrasonic probe by the rotation of the single product feeder so as to carry out ultrasonic imaging detection, simultaneously feeding back a signal to the controller, judging whether the longan is qualified or not by the processing of the controller, if the longan is qualified, driving the waste slideway to be at the same inclination angle with the material guide slideway by starting and stopping the motor, so that the detected longan can be gathered into the waste slideway through the second drainage piece and flows into the material guide slideway through the waste slideway, if the longan is unqualified, rotating the waste slideway by a set angle to be in right-angle fit with the material guide slideway, and enabling the longan to collide with the waste slideway and not to enter the material guide slideway so as to form removing; qualified longan can enter the confluence bin through the guide slideways, and directly flows into the top end of the confluence bin due to the inclined structure of the confluence bin, namely, the longan in all the guide slideways flows in a fixed direction and at a point through the confluence bin; the longan flow collecting device is characterized by finally falling onto the ultrathin electronic scale, weighing and sensing are carried out on the ultrathin electronic scale, after a set value is reached, the information is fed back to the controller by the ultrathin electronic scale, the controller can indicate the thin cylinder to work after obtaining a signal, the opening and closing plate vertically moves to be in contact with the flow collecting bin, an opening at the top end of the flow collecting bin is closed, longan is prevented from continuously rolling onto the ultrathin electronic scale, meanwhile, the discharging motor works to enable the discharging plate to rotate downwards, and then the longan on the ultrathin electronic scale falls into the drainage bin and is discharged from the downstream end of the drainage bin; in the process that the longan arrives at the ultrathin electronic scale from the flow bin, the first guardrail plate can limit the position of the longan, so that the longan is prevented from directly rolling into the flow bin after falling onto the ultrathin electronic scale; at the same time: manually placing stacked packaging bags on the periphery of a circular table in advance, symmetrically arranging the packaging bags and a bag opening assembly, rotating the circular table to enable a certain first material suction assembly to correspond to the packaging bags, driving a supporting plate to move in the radial direction of the packaging bags by a material taking cylinder in the first material suction assembly, enabling all rubber suction nozzles on the front side of the supporting plate to contact the outer side of a single packaging bag, communicating the rubber suction nozzles with an external air pump to adsorb the packaging bags, enabling the absorption stability to be good due to the fact that four rubber suction nozzles on the single supporting plate are distributed in a rectangular shape, then resetting the material taking cylinder to work, drawing out the packaging bags, vertically rotating along with the circular table, stopping after corresponding to the bag opening assembly, enabling the bag opening assembly to adsorb the other side of the packaging bag by using the same working principle of the first material suction assembly, then resetting a material taking cylinder in the bag opening assembly, and pulling the packaging bags open, the first material absorbing component for absorbing the packaging bag is always kept still; after the packaging bag is opened, the weighed longan in the drainage bin is poured into the packaging bag through the third drainage piece; the servo electric cylinder drives the rotary cylinder to drive the material receiving frame to move vertically, so that the packaging bag filled with longan is supported; meanwhile, the first material sucking assembly and the bag opening assembly which suck the packaging bags reset, then the first material sucking assembly continues to rotate along with the circular table, and a packaging bag is taken down; then the material receiving frame descends by means of a servo electric cylinder, so that the packaging bag filled with the longan enters a sealing process, and a sealing machine is the prior art and is not described in detail herein; after the longan bags are sealed, the rotary air cylinder drives the material receiving frame to rotate, the sealed longan bags are separated from the material receiving frame and fall off, the subsequent material receiving frame continues to rise, and the subsequent packaging bags are received; the longan shell breaking detection device can automatically detect the quality of longan shells and longan shells, and greatly improves the processing efficiency and the detection quality.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is an enlarged view of FIG. 1 at C;

FIG. 5 is an enlarged view of FIG. 1 at D;

FIG. 6 is an enlarged view of FIG. 1 at E;

FIG. 7 is a schematic plan view of the present invention;

FIG. 8 is an enlarged view at F of FIG. 7;

FIG. 9 is an enlarged view at G of FIG. 7;

FIG. 10 is a schematic perspective view of the second embodiment of the present invention;

FIG. 11 is an enlarged view at H of FIG. 10;

FIG. 12 is an enlarged view taken at K in FIG. 10;

description of reference numerals: a confluence bin 1, an opening and closing plate 1a and a thin cylinder 1 b.

Round platform 2 gets material motor 2a, gets material cylinder 2b, backup pad 2c, rubber suction nozzle 2d, division bag subassembly 2 t.

A conveyer belt 3 and a high-frequency ultrasonic probe 3 a.

A stepping motor 4, a rotary disc 4a, a material containing rod 4b and a material barrel 4 c.

First drainage piece 5, feeder hopper 5a, passive form telescopic link 5b, ejection of compact head 5c, first dodge gas pole 5 d.

A driving motor 6, a fan set 6a and a baffle 6 b.

A second drainage piece 7 and a second air avoiding rod 7 a.

A material guide slide way 8, a waste slide way 8a, a start-stop motor 8b and a staggered notch 8 r.

The device comprises an ultrathin electronic scale 9, a first guardrail plate 9a, a discharging plate 9b, a drainage bin 9c and a discharging motor 9 d.

A third flow guide 10 and an annular baffle 11.

A servo electric cylinder 12, a rotary air cylinder 13 and a material receiving frame 14.

Detailed Description

The following detailed description of specific embodiments of the present invention is made with reference to the accompanying drawings and examples:

referring to fig. 1 to 12, a longan packing machine includes a controller, a confluence device, a bag feeding device, and a plurality of defective products removing devices sequentially arranged at intervals along a straight line, all of which have the same structure, and includes a conveyor belt 3, an air blowing assembly, a high frequency ultrasonic probe 3a, and a single product feeder installed at a downstream end of the conveyor belt 3, the air blowing assembly being installed at one side of the conveyor belt 3, and be linked together through first drainage piece 5 between the two, high frequency ultrasonic probe 3a is the top of slope locating the single product feeder, and the device that converges is located the below of all single product feeders, and every single product feeder all communicates with the feed end of converging the device through a second drainage piece 7, and the weighing device is installed to the discharge end of converging the device, and the bagging-off is put and is located the below of weighing device, and all high frequency ultrasonic probe 3a all with controller electric connection.

The single product feeder comprises a stepping motor 4, a rotary table 4a and five material containing rods 4b which are spoke-shaped and outwards diverge, a material barrel 4c is sleeved at the outer end of each material containing rod 4b, the material barrel 4c is of a truncated cone-shaped structure, the bottom end of the material barrel 4c faces outwards, the bottom end of the material barrel is of an open structure, the stepping motor 4 is installed on the outer side of the rotary table 4a, and an output main shaft of the stepping motor is in coaxial transmission connection with the rotary table 4 a; the stepping motor 4 is used for driving the rotary disc 4a to rotate around the axis of the rotary disc 4a, so that the five material containing rods 4b are positioned below the downstream end of the conveying belt 3 one by one, and are communicated with the first drainage piece 5 at the position, so that the single longan is conveyed into the material cylinder 4c through the first drainage piece 5, then the material cylinder 4c rotates 75 degrees along with the material containing rods 4b, and ultrasonic imaging detection can be carried out subsequently; judging whether the longan is broken.

The first drainage piece 5 comprises a feed hopper 5a, a passive telescopic rod 5b and a discharge head 5c with a hollow structure, the feed hopper 5a is of a horn-shaped structure and is also arranged in an inclined posture, the discharge head 5c is communicated with the narrow end of the feed hopper 5a through the passive telescopic rod 5b, the downstream end of the conveying belt 3 extends into the other end of the feed hopper 5a, the axial direction of the feed hopper 5a and the conveying direction of the conveying belt 3 form an included angle of 35 degrees, a first avoiding air rod 5d is arranged on the outer side of the feed hopper 5a, a piston shaft of the first avoiding air rod is connected with the discharge head 5c, the discharge head 5c and the feed hopper 5a are always coaxially arranged, the discharge head 5c is driven by the first avoiding air rod 5d to reciprocate along the axis of the first avoiding air rod 5d, and the inner diameter of the discharge head 5c is larger than the outer diameter of the charging barrel 4 c; the width specification of the conveying belt 3 is smaller than the inner diameter of the feed hopper 5a, so the part of the downstream end of the conveying belt 3 is horizontally suspended inside the feed hopper 5a, namely the big head end of the feed hopper 5a, so the longan on the conveying belt 3 directly falls into the feed hopper 5a after reaching the downstream end, and the longan directly slides into the passive telescopic rod 5b due to the sliding surface in the feed hopper 5a because of the inclined arrangement of the feed hopper 5a, and the specification of the passive telescopic rod 5b is the maximized longan specification; the longan flows into a discharge head 5c through a passive telescopic rod 5b, and the longan is discharged by the discharge head 5 c; the specific process here is: the rotating disc 4a rotates to enable a certain charging barrel 4c to rotate to correspond to the discharging head 5c, and the charging barrel and the discharging head are coaxial, at the moment, the first avoiding air rod 5d can drive the discharging head 5c to move along the axis of the discharging head, the discharging head 5c is further wrapped on the charging barrel 4c through the opening of the discharging head, and the subsequent longan can flow into the charging barrel 4c through the opening; after the longan is arranged in the charging barrel 4c, the rotating disc 4a needs to rotate the charging barrel 4c to a next angle, so that the first air avoiding rod 5d can reset, the discharging head 5c resets by means of the driven telescopic rod 5b, and the charging barrel 4c can rotate.

The air blowing assembly comprises a driving motor 6 and a plurality of fan sets 6a arranged at equal intervals along the conveying direction of the conveying belt 3, the driving motor 6 is in transmission connection with all the fan sets 6a through a synchronous belt, the air blowing direction of all the fan sets 6a faces the conveying belt 3, two sides of the long edge direction of the conveying belt 3 are respectively provided with a blocking strip 6b parallel to the conveying belt, the blocking strips 6b are suspended above the conveying belt 3, and the distance between the bottoms of the blocking strips 6b and the conveying plane of the conveying belt 3 is 1-1.5 cm; the conveying belt 3 is used for conveying single longan, namely batch longan can be poured onto the vibrating machine, the opening specification of the discharging end of the vibrating machine can only be used for discharging one longan at the same time, the upstream end of the conveying belt 3 is provided with a flow guide pipeline, the flow guide pipeline is suspended on the conveying belt 3 and used for stably sliding the single longan discharged from the vibrating machine onto the conveying plane of the conveying belt 3, and then the longan is forced to slide along the conveying direction due to the conveying force of the conveying belt 3; in this process, longan rectilinear motion, the shelves 6b of longan both sides simultaneously can implement spacingly to the lower half section of longan, prevents to roll out 3 outsides of conveyer belt, and shelves 6b sets up the level, and in 1 ~ 1.5cm within range, during the longan of impelling the conveying, if there is the ghost, then fan assembly 6 a's wind-force can blow out the longan of ghost, and the level of setting of shelves 6b this moment is not enough to implement spacing interception to the longan of ghost.

The second diversion element 7 has the same structure as the first diversion element 5, a feed hopper 5a in the second diversion element 7 faces the rotary table 4a, a second air avoiding rod 7a is arranged on the outer side of the feed hopper 5a, a piston shaft of the second air avoiding rod 7a is in transmission connection with the outer side of the feed hopper 5a, the feed hopper 5a at the position of the second air avoiding rod 7a is driven by the second air avoiding rod 7a to be close to the direction of the rotary table 4a, a material guiding slide way 8 which inclines downwards in a half width is arranged below a discharge head 5c in the second drainage piece 7, a waste material slide way 8a is arranged at the upstream end of the material guiding slide way 8, a U-shaped notch is formed in the upstream end of the material guiding slide way 8, the waste material slide way 8a is hinged in the U-shaped notch, an opening and closing motor 8b for driving the free end of the waste material slide way 8a to rotate is arranged on the outer side of the material guiding slide way 8, and a staggered notch 8r which can be avoided from the discharge head; the starting and stopping motor 8b is electrically connected with the controller; after a single longan reaches a cylinder 4c through the first drainage piece 5 and continues to rotate for 75 degrees, the cylinder 4c can drive the single longan inside to face a high-frequency ultrasonic probe 3a, at the moment, the high-frequency ultrasonic probe 3a works to emit ultrasonic waves so as to carry out imaging detection on the single longan in the cylinder 4c, the high-frequency ultrasonic probe 3a is a device for emitting and receiving the ultrasonic waves in the ultrasonic detection process, the probe used in the ultrasonic detection is a transducer for converting electric energy and sound energy by utilizing the piezoelectric effect of materials, the ultrasonic imaging technology is already the prior art, and therefore the structural characteristics of the ultrasonic imaging technology are not described in detail herein; meanwhile, in order to match and consider the detection stability of the high-frequency ultrasonic probe 3a, the rotating disc 4a and the charging barrel 4c are matched to receive single longan in order to prevent the longan from being depended on each other, so that the ultrasonic imaging is not accurate, and the ultrasonic imaging result of the single longan is stable and reliable; meanwhile, the high-frequency ultrasonic probe 3a feeds back the result to the controller, the controller judges whether the longan is qualified or not through processing, if the longan is qualified, the waste slide way 8a is driven by the motor 8b to be at the same inclination angle with the material guide slide way 8, so that the detected longan can be gathered into the waste slide way 8a through the second drainage piece 7 and flows into the material guide slide way 8 through the waste slide way 8a, if the longan is not qualified, the waste slide way 8a rotates for a set angle to be matched with the material guide slide way 8 in a right angle, and the longan collides with the waste slide way 8a to be incapable of entering the material guide slide way 8 so as to form removal; the staggered notch 8r prevents the waste chute 8a from colliding with the discharge head 5c of the second flow guide 7 during rotation.

The emission direction of the high-frequency ultrasonic probe 3a forms a 75-degree included angle with the axial direction of the feed hopper 5a in the first drainage piece 5 and the second drainage piece 7 respectively, and the interval angle between every two material containing rods 4b is 75 degrees; the purpose of this defined angle is: after the charging barrel 4c on the single material containing rod 4b rotates to 75 degrees, the first drainage piece 5 corresponds to the charging barrel 4c, the longan in the charging barrel 4b is received, then the charging barrel rotates 75 degrees again, so that the subsequent material containing rod 4b can also be aligned to the first drainage piece 5, meanwhile, the longan in the previous material containing rod 4b corresponds to the high-frequency ultrasonic probe 3a due to the rotation of 75 degrees, the longan is detected, after the longan is detected, the longan rotates again, the material containing rod 4b is in a downward inclined posture, the longan rolls down into the second drainage piece 7 due to the gravity and the self circular characteristic, and the purposes of circular material receiving, detection and discharging are achieved; simultaneously when flourishing material pole 4b corresponds high frequency ultrasonic probe 3a, flourishing material pole 4b at this moment is in small-amplitude slope, and its inside longan does not receive the control influence, and after finishing detecting, rotate 75 degrees once more, flourishing material pole 4b at this moment inclines by a wide margin, and inside longan can self roll out.

The confluence device comprises a confluence bin 1, an opening and closing plate 1a and a thin cylinder 1b, wherein the confluence bin 1 is close to an isosceles triangle structure, the bottom edge of the confluence bin 1 is communicated with the downstream ends of all material guide slideways 8, the vertex end of the confluence bin 1 is inclined downwards, one end of the confluence bin 1 is of an open structure, the opening and closing plate 1a is vertically arranged above the vertex end of the confluence bin 1, the thin cylinder 1b is arranged above the opening and closing plate 1a in an inverted mode, a piston shaft of the thin cylinder is in transmission connection with the opening and closing plate 1a, the weighing device comprises an ultrathin electronic scale 9, a first guardrail plate 9a, a discharging plate 9b and a drainage bin 9c, the drainage bin 9c is arranged below the vertex end of the confluence bin 1, the downstream end of the drainage bin 9c is inclined downwards, one end of the discharging plate 9b is connected in the drainage bin 9c in a shaft mode, the ultrathin electronic scale 9 is horizontally arranged on the upper surface of the discharging plate 9b, a discharging motor 9d for driving the free end of the discharging plate 9b to rotate is arranged outside the drainage bin 9c, the first guardrail plate 9a is horizontally arranged at the outer side of the top end of the confluence bin 1 and is also opposite to the end of the confluence bin 1; the ultrathin electronic scale 9, the discharging motor 9d and the thin cylinder 1b are electrically connected with the controller; qualified longan can enter the confluence bin 1 through the material guide slideways 8, and directly flows into the top end of the confluence bin due to the structural inclination characteristic of the confluence bin, namely, the longan in all the material guide slideways 8 flows in a fixed direction and at a point through the confluence bin; finally, the longan pulp falls onto the ultrathin electronic scale 9, the ultrathin electronic scale 9 performs weighing induction, after a set value is reached, the ultrathin electronic scale 9 feeds information back to the controller, the controller can instruct the thin cylinder 1b to work after obtaining a signal, the opening and closing plate 1a vertically moves to contact the confluence bin 1 to close an opening at the top end of the confluence bin 1, the longan pulp is prevented from continuously rolling onto the ultrathin electronic scale 9, meanwhile, the discharging motor 9d works to enable the discharging plate 9b to downwards rotate, so that the longan pulp on the ultrathin electronic scale 9 falls into the drainage bin 9c, and is discharged from the downstream end of the drainage bin 9 c; in the process that the longan reaches the ultrathin electronic scale 9 from the flow bin, the first guardrail plate 9a can limit the position of the longan, so that the longan is prevented from directly rolling into the flow bin 9c after falling onto the ultrathin electronic scale 9; therefore, the discharge plate 9b and the ultra-thin electronic scale 9 are both located right below the first guardrail plate 9a in a normal state.

An opening at the downstream end of the drainage bin 9c is gradually narrowed from the width to the width in the inclination direction, a third drainage piece 10 is arranged at the downstream end of the drainage bin 9c, the third drainage piece 10 comprises an upper hopper, a connecting pipe and a lower hopper, the upper hopper and the lower hopper are respectively arranged at two ends of the connecting pipe and are communicated with each other, the upper hopper and the lower hopper are both in horn-shaped structures, an annular baffle plate 11 is arranged at the top of the upper hopper, and the upper hopper is communicated with the downstream end of the drainage bin 9c through the annular baffle plate 11; the longan in the drainage bin 9c falls into the feeding hopper through the downstream end of the longan and is discharged directionally through the connecting pipe and the discharging hopper, and the annular baffle 11 promotes the longan to stably roll into the feeding hopper.

The bag feeding device comprises a circular table 2 and two first material sucking assemblies symmetrically arranged on the periphery of the circular table 2, each first material sucking assembly comprises a material taking cylinder 2b, a supporting plate 2c and four rubber suction nozzles 2d which are distributed on the front side of the supporting plate 2c in a rectangular shape, the material taking cylinder 2b is horizontally arranged at the bottom of the circular table 2, the supporting plate 2c is positioned on the outer side of the circular table 2, the back side of the material taking cylinder is in transmission connection with a piston shaft of a material taking cylinder 2b, a material taking motor 2a is arranged above the circular platform 2, the material taking motor 2a is in transmission connection with the circular platform 2, and is used for driving the circular truncated cone 2 to rotate around the axis thereof in a stepping way, a bag opening component 2t which is opposite to the circular truncated cone 2 is arranged below the blanking hopper, the bag opening component 2t has the same structure with the first material absorbing component, the output direction of the bag opening component 2t faces the circular truncated cone 2, when one of the first material absorbing assemblies rotates to face the bag opening assembly 2t, the discharging hopper is positioned between the first material absorbing assembly and the bag opening assembly 2 t; manually placing stacked packaging bags on the periphery of a circular table 2 in advance, symmetrically arranging the packaging bags and a bag opening assembly 2t, then rotating the circular table 2 to enable a certain first material suction assembly to correspond to the packaging bags, then driving a supporting plate 2c to move in the direction of the packaging bags by a material taking cylinder 2b in the first material suction assembly, simultaneously contacting all rubber suction nozzles 2d on the front side of the supporting plate with the outer side of a single packaging bag, communicating the rubber suction nozzles 2d with an external air pump to adsorb the packaging bags, ensuring that the adsorption stability is good because the four rubber suction nozzles 2d on the single supporting plate 2c are distributed in a rectangular shape, then resetting the material taking cylinder 2b to work, drawing out the packaging bags, vertically rotating along with the circular table 2 and stopping after corresponding to the bag opening assembly 2t, and then utilizing the working principle of the same first material suction assembly to adsorb the other side of the packaging bags by the bag opening assembly 2t, then the material taking cylinder 2b in the bag opening assembly 2t is reset, the packaging bag is pulled open, and the first material absorbing assembly for absorbing the packaging bag is always kept still; after the packaging bag is opened, the weighed longan can be discharged into the packaging bag from the discharging hopper.

A vertical servo electric cylinder 12 is arranged below the bag opening assembly 2t, a rotary air cylinder 13 is arranged at the output end of the servo electric cylinder 12, and a material receiving frame 14 is arranged at the output end of the rotary air cylinder 13; after longan is filled in the opened packaging bag, the servo electric cylinder 12 drives the rotary air cylinder 13 to drive the material receiving frame 14 to vertically move, so that the packaging bag filled with the longan is supported, the longan is arranged in the packaging bag and can be vertically placed, then the servo electric cylinder 12 drives the material receiving frame 14 to ascend to a set position, and the specification of the material receiving frame 14 is matched with the shape of the packaging bag filled with the longan; the material receiving frame 14 can bear the bottom edge of the packaging bag filled with the longan; meanwhile, the first material absorbing assembly and the bag opening assembly 2t which absorb the packaging bag are reset to work, then the first material absorbing assembly continuously rotates along with the circular table 2, and the packaging bag is taken down; then, the material receiving frame 14 descends by means of the servo electric cylinder 12, so that the packaging bag filled with the longan enters a sealing process, wherein a sealing machine is the prior art and is not described in detail herein; after the sealing, the rotary air cylinder 13 drives the material receiving frame 14 to rotate, the sealed longan bags are separated from the material receiving frame 14, the longan bags fall off, the subsequent material receiving frame 14 continues to ascend, and the material receiving is carried out on the subsequent packaging bags.

The working principle is as follows: the conveying belt 3 is used for conveying single longan, namely batch longan can be poured onto the vibrating machine, the opening specification of the discharging end of the vibrating machine can only be used for discharging one longan at the same time, the upstream end of the conveying belt 3 is provided with a flow guide pipeline, the flow guide pipeline is suspended on the conveying belt 3 and used for stably sliding the single longan discharged from the vibrating machine onto the conveying plane of the conveying belt 3, and then the longan is forced to slide along the conveying direction due to the conveying force of the conveying belt 3; in the process, the longan linearly moves, meanwhile, the blocking strips 6b on the two sides of the longan limit the lower half section of the longan and prevent the longan from rolling out of the conveying belt 3, meanwhile, the air blowing assembly can blow single longan which advances one by one on the conveying belt 3, and the air force can only blow the empty shell but cannot blow the longan with the core and the pulp inside; meanwhile, the air supply direction of the air blowing assembly enables the empty shell to be forced to fall towards the other side of the conveying belt 3, and meanwhile, the horizontal height of the blocking strip 6b is not enough to limit and intercept the longan in the empty shell; after the empty shell removing process, the single longan enters the single product feeder, the single longan is driven to rotate to the area opposite to the high-frequency ultrasonic probe 3a by the rotation of the single product feeder so as to be subjected to ultrasonic imaging detection, meanwhile, a signal is fed back to the controller, the controller judges whether the longan is qualified or not by processing, if the longan is qualified, the waste slideway 8a is driven to be at the same inclination angle with the material guiding slideway 8 by starting and stopping the motor 8b, so that the detected longan can be converged into the waste slideway 8a through the second drainage piece 7 and flows into the material guiding slideway 8 through the waste slideway 8a, if the longan is unqualified, the waste slideway 8a rotates for a set angle to be matched with the material guiding slideway 8 at a right angle, and the longan can not enter the material guiding slideway 8 through collision with the waste slideway 8a, so that the longan is removed; qualified longan can enter the confluence bin 1 through the material guide slideways 8, and directly flows into the top end of the confluence bin due to the structural inclination characteristic of the confluence bin, namely, the longan in all the material guide slideways 8 flows in a fixed direction and at a point through the confluence bin; finally, the longan pulp falls onto the ultrathin electronic scale 9, the ultrathin electronic scale 9 performs weighing induction, after a set value is reached, the ultrathin electronic scale 9 feeds information back to the controller, the controller can instruct the thin cylinder 1b to work after obtaining a signal, the opening and closing plate 1a vertically moves to contact the confluence bin 1 to close an opening at the top end of the confluence bin 1, the longan pulp is prevented from continuously rolling onto the ultrathin electronic scale 9, meanwhile, the discharging motor 9d works to enable the discharging plate 9b to downwards rotate, so that the longan pulp on the ultrathin electronic scale 9 falls into the drainage bin 9c, and is discharged from the downstream end of the drainage bin 9 c; in the process that the longan reaches the ultrathin electronic scale 9 from the flow bin, the first guardrail plate 9a can limit the position of the longan, so that the longan is prevented from directly rolling into the flow bin 9c after falling onto the ultrathin electronic scale 9; at the same time: manually placing stacked packaging bags on the periphery of a circular table 2 in advance, symmetrically arranging the packaging bags and a bag opening assembly 2t, then rotating the circular table 2 to enable a certain first material suction assembly to correspond to the packaging bags, then driving a supporting plate 2c to move in the direction of the packaging bags by a material taking cylinder 2b in the first material suction assembly, simultaneously contacting all rubber suction nozzles 2d on the front side of the supporting plate with the outer side of a single packaging bag, communicating the rubber suction nozzles 2d with an external air pump to adsorb the packaging bags, ensuring that the adsorption stability is good because the four rubber suction nozzles 2d on the single supporting plate 2c are distributed in a rectangular shape, then resetting the material taking cylinder 2b to work, drawing out the packaging bags, vertically rotating along with the circular table 2 and stopping after corresponding to the bag opening assembly 2t, and then utilizing the working principle of the same first material suction assembly to adsorb the other side of the packaging bags by the bag opening assembly 2t, then the material taking cylinder 2b in the bag opening assembly 2t is reset, the packaging bag is pulled open, and the first material absorbing assembly for absorbing the packaging bag is always kept still; after the packaging bag is opened, the weighed longan in the drainage bin 9c is poured into the packaging bag through the third drainage piece 10; the servo electric cylinder 12 drives the rotary cylinder 13 to drive the material receiving frame 14 to vertically move, so that a packaging bag filled with longan is supported, the longan is vertically placed due to the fact that the longan exists in the packaging bag, then the servo electric cylinder 12 drives the material receiving frame 14 to ascend to a set position, and the material receiving frame 14 supports the bottom edge of the packaging bag filled with the longan; meanwhile, the first material absorbing assembly and the bag opening assembly 2t which absorb the packaging bag are reset to work, then the first material absorbing assembly continuously rotates along with the circular table 2, and the packaging bag is taken down; then, the material receiving frame 14 descends by means of the servo electric cylinder 12, so that the packaging bag filled with the longan enters a sealing process, wherein a sealing machine is the prior art and is not described in detail herein; after the sealing, the rotary air cylinder 13 drives the material receiving frame 14 to rotate, the sealed longan bags are separated from the material receiving frame 14, the longan bags fall off, the subsequent material receiving frame 14 continues to ascend, and the material receiving is carried out on the subsequent packaging bags.

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

Claims

1. A longan packing machine is characterized in that: comprises a controller, a confluence device, a bag feeding device and a plurality of defective product removing devices which are sequentially arranged at intervals along a straight line, wherein the structures of all the defective product removing devices are the same, the defective product removing devices comprise a conveying belt (3), a blowing component, a high-frequency ultrasonic probe (3a) and a single product feeder, the blowing component is arranged at one side of the conveying belt (3), the single product feeder is arranged at the downstream end of the conveying belt (3), the two are communicated through a first drainage piece (5), the high-frequency ultrasonic probes (3a) are obliquely arranged above the single product feeders, the confluence device is arranged below all the single product feeders, each single product feeder is communicated with the feeding end of the confluence device through a second drainage piece (7), the discharging end of the confluence device is provided with a weighing device, the bagging device is arranged below the weighing device, and all the high-frequency ultrasonic probes (3a) are electrically connected with the controller;

the single product feeder comprises a stepping motor (4), a turntable (4a) and five material containing rods (4b) which are spoke-shaped and outwards divergent, a material barrel (4c) is sleeved at the outer end of each material containing rod (4b), the material barrel (4c) is of a truncated cone-shaped structure, the bottom end of the material barrel (4c) faces outwards, the bottom end of the material barrel is of an open structure, the stepping motor (4) is installed on the outer side of the turntable (4a), and an output main shaft of the stepping motor is in coaxial transmission connection with the turntable (4 a);

the first drainage piece (5) comprises a feed hopper (5a), a passive telescopic rod (5b) and a hollow discharge head (5c), the feed hopper (5a) is of a horn-shaped structure, and is also arranged in an inclined posture, the discharge head (5c) is communicated with the narrow end of the feed hopper (5a) through a passive telescopic rod (5b), the downstream end of the conveying belt (3) extends into the other end of the feed hopper (5a), the axial direction of the feed hopper (5a) and the conveying direction of the conveying belt (3) form an included angle of 35 degrees, a first air avoiding rod (5d) is arranged on the outer side of the feed hopper (5a), a piston shaft of the discharging head is connected with a discharging head (5c), the discharging head (5c) and a feeding hopper (5a) are arranged coaxially all the time, the discharging head (5c) is driven by a first air avoiding rod (5d) to reciprocate along the axis of the discharging head, and the inner diameter of the discharging head (5c) is larger than the outer diameter of the charging barrel (4 c);

the second drainage piece (7) has the same structure as the first drainage piece (5), a feed hopper (5a) in the second drainage piece (7) faces the turntable (4a), a second air avoiding rod (7a) is arranged on the outer side of the feed hopper (5a), a piston shaft of the second air avoiding rod (7a) is in transmission connection with the outer side of the feed hopper (5a), the feed hopper (5a) driven by the second air avoiding rod (7a) to be positioned can approach the turntable (4a), a material guide slide way (8) inclined downwards by a half width is arranged below a discharging head (5c) in the second drainage piece (7), a waste slide way (8a) is arranged at the upstream end of the material guide slide way (8), a U-shaped notch is formed at the upstream end of the material guide slide way (8), the waste slide way (8a) is hinged in the U-shaped notch, and an opening and closing motor (8b) for driving the free end of the waste slide way (8a) to rotate is arranged on the outer side of the material guide slide way (8), the free end of the waste material slideway (8a) is provided with a staggered notch (8r) which can be avoided from a discharge head (5c) in the second drainage piece (7).

2. The longan packaging machine as claimed in claim 1, wherein: the air blast subassembly includes fan group (6a) that driving motor (6) and a plurality of set up along the direction of transfer of conveyer belt (3) equidistant, driving motor (6) are connected through hold-in range and all fan group (6a) transmission, the air supply direction of all fan group (6a) all faces conveyer belt (3), the both sides of the long edge direction of conveyer belt (3) are equipped with one shelves strip (6b) that parallel with it respectively, shelves strip (6b) suspension is in the top of conveyer belt (3), the bottom of shelves strip (6b) is 1 ~ 1.5cm with the conveying plane interval of conveyer belt (3).

3. The longan packaging machine as claimed in claim 1, wherein: the transmitting direction of the high-frequency ultrasonic probe (3a) and the axial direction of the feed hopper (5a) in the first drainage piece (5) and the second drainage piece (7) form a 75-degree included angle, and the interval angle between every two of all the material containing rods (4b) is 75 degrees.

4. The longan packaging machine as claimed in claim 1, wherein: the confluence device comprises a confluence bin (1), an opening and closing plate (1a) and a thin cylinder (1b), wherein the confluence bin (1) is close to an isosceles triangle structure, the bottom edge of the confluence bin (1) is communicated with the downstream ends of all the material guide slideways (8), the vertex end of the confluence bin (1) is inclined downwards and is of an open structure, the opening and closing plate (1a) is vertically arranged above the vertex end of the confluence bin (1), the thin cylinder (1b) is inversely arranged above the opening and closing plate (1a), a piston shaft of the thin cylinder is in transmission connection with the opening and closing plate (1a), the weighing device comprises an ultrathin electronic scale (9), a first guardrail plate (9a), a discharging plate (9b) and a drainage bin (9c), the drainage bin (9c) is arranged below the vertex end of the confluence bin (1), the downstream end of the drainage bin (9c) is inclined downwards, one end of the discharging plate (9b) is connected in the drainage bin (9c) in a shaft manner, ultrathin electronic scale (9) are horizontal installation in the upper surface of stripper (9b), and the outside in drainage storehouse (9c) is equipped with free end pivoted blowing motor (9d) that are used for driving stripper (9b), and first guardrail board (9a) are the apex end outside of horizontal installation in storehouse (1) that converges to this apex end to storehouse (1) that still just converges.

5. The longan packaging machine as claimed in claim 4, wherein: the opening of the low reaches end of drainage storehouse (9c) is narrowed down by its incline direction gradually by the width and is set up, the low reaches end of drainage storehouse (9c) is provided with third drainage spare (10), third drainage spare (10) are including the upper hopper, connecting pipe and lower hopper, the upper hopper sets up the both ends at the connecting pipe respectively with lower hopper, and the three is linked together, the upper hopper all is loudspeaker column structure with lower hopper, annular baffle (11) are installed at the top of upper hopper, the upper hopper communicates mutually through the low reaches end of annular baffle (11) with drainage storehouse (9 c).

6. The longan packaging machine as claimed in claim 5, wherein: the bag feeding device comprises a round platform (2) and two first material sucking assemblies symmetrically arranged on the periphery of the round platform (2), each first material sucking assembly comprises a material taking cylinder (2b), a supporting plate (2c) and four rubber suction nozzles (2d) which are distributed on the front side of the supporting plate (2c) in a rectangular shape, the material taking cylinders (2b) are horizontally arranged at the bottom of the round platform (2), the supporting plates (2c) are positioned on the outer side of the round platform (2), the back sides of the supporting plates are in transmission connection with piston shafts of the material taking cylinders (2b), a material taking motor (2a) is arranged above the round platform (2), the material taking motor (2a) is in transmission connection with the round platform (2) and is used for driving the round platform (2) to rotate in a stepping mode around the axis of the round platform, a bag opening assembly (2t) which is right opposite to the round platform (2) is arranged below a discharging hopper, the bag opening assembly (2t) is identical in structure with the first material sucking assembly, and the output direction of the bag opening assembly (2t) faces towards the round platform (2), when one first material sucking component rotates to face the bag opening component (2t), the discharging hopper is positioned between the first material sucking component and the bag opening component (2 t).

7. The longan packaging machine as claimed in claim 6, wherein: a vertical servo electric cylinder (12) is arranged below the bag opening assembly (2t), a rotary air cylinder (13) is installed at the output end of the servo electric cylinder (12), and a material receiving frame (14) is installed at the output end of the rotary air cylinder (13).