CN108993855B

CN108993855B - Screening device

Info

Publication number: CN108993855B
Application number: CN201810692114.5A
Authority: CN
Inventors: 胡转香
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-28
Filing date: 2018-06-28
Publication date: 2020-10-27
Anticipated expiration: 2038-06-28
Also published as: CN108993855A

Abstract

The invention relates to a garlic screening device, wherein a discharge port of a conveying device is connected with a feed port of the screening device, the screening device comprises a plurality of rows of screening cylinders which are arranged in parallel at intervals, cylinder cores of the screening cylinders are horizontally and adjacently arranged in parallel, the cylinder walls of the screening cylinders are provided with material through holes, the material through holes are arranged at intervals along the circumferential direction and the axial direction of the cylinder walls of the screening cylinders, a driving mechanism drives the screening cylinders to rotate in the same direction and synchronously, the aperture of the material through holes of the screening cylinders along the material moving direction is gradually increased, garlic is uniformly conveyed into the plurality of rows of screening cylinders which are arranged adjacently by using the conveying device, is positioned on the rotating screening cylinders and is gradually dispersed, garlic heads with smaller sizes fall onto a material receiving and conveying mechanism from a first row of material through holes with smaller apertures, so as to realize first-stage sorting, the remaining garlic heads climb along a second row of screening cylinders and are dispersed on the cylinder walls of the second row of screening cylinders, according to the method, garlic is screened out from the screening barrels at all levels according to the size, so that the subsequent processing is facilitated, and the processing efficiency of the garlic is improved.

Description

Screening device

Technical Field

The invention relates to the technical field of food processing, in particular to a garlic screening device.

Background

After the garlic is harvested from the planting field, the garlic needs to be cleaned firstly, when the garlic is cleaned, soil on the surface of the garlic is cleaned, then the garlic is dried to dry the surface skin of the garlic, when the garlic is harvested from the planting field, the garlic comprises a section of garlic stem and fibrous root parts, the garlic stem section and the fibrous root parts need to be cut off by the dried garlic, the garlic can be packaged in such a way, the quality of the garlic is improved, in the prior art, when the garlic fibrous root and the garlic stem section are cut off, the garlic is manually held by hands, and two ends of the garlic face a cutting machine to cut off the garlic stem section and the fibrous root parts of the garlic. The manual handheld processing mode is low in efficiency, certain potential safety hazards exist, and meanwhile garlic cloves of garlic are easily torn apart and separated, so that the completeness of the garlic is difficult to guarantee, and the quality of the garlic is affected.

In order to realize the automatic processing of the garlic, the garlic needs to be classified in advance according to the size, and the classification of the garlic according to the size is particularly key for realizing the automatic processing.

Disclosure of Invention

The purpose of the invention is: the utility model provides a garlic screening plant can realize the automatic grading to the garlic, improves the machining efficiency to the garlic.

In order to achieve the purpose, the invention adopts the technical scheme that:

garlic screening plant, including conveyor, conveyor's discharge gate links up with screening plant's feed inlet, screening plant is used for separating out a plurality of size grades with the garlic, screening plant is provided with a plurality of discharge gates, screening plant includes the screening section of thick bamboo that multirow parallel interval set up, screening section of thick bamboo core level and parallel adjacent arrangement, be provided with the material thru hole on the section of thick bamboo wall of screening section of thick bamboo, the material thru hole sets up a plurality ofly along the section of thick bamboo wall circumference and the axial direction interval of screening section of thick bamboo, and a plurality of screening section of thick bamboo syntropy of actuating mechanism drive and synchronous rotation, the screening section of thick bamboo is along the material thru hole aperture grow gradually of material moving direction, the section of thick bamboo intracavity of screening section of thick bamboo is provided with meets material.

The invention also has the following features:

the material blocking rod is arranged between the adjacent screening barrels and is parallel to the screening barrels, the material blocking rod is located in the middle position of a barrel core connecting line of the adjacent screening barrels, and the rod body of the material blocking rod is close to the outer wall of the screening barrel.

Multirow screening section of thick bamboo rotary type sets up on the support frame, the support frame sets up on vibration mechanism, and vibration mechanism drive screening section of thick bamboo vibrates.

The rotary type is provided with the backing roll on the support frame, the backing roll roller core is parallel with a screening section of thick bamboo core, the backing roll is put at the both ends of a screening section of thick bamboo and the section of thick bamboo core both sides of a screening section of thick bamboo separately, the face is provided with the support ball under the support frame, the ball face of support ball supports with the last face of support substrate and supports and lean on.

The driving mechanism comprises a driven wheel arranged at the center of one end of the screening cylinder, a first gearbox is fixed on the support frame, an output shaft of the first gearbox is provided with a driving wheel, an input shaft of the first gearbox is connected with a first motor, the vibrating mechanism comprises a driving shaft arranged below the support frame, the driving shaft is eccentrically arranged on the driving disc, a disc core of the driving disc is connected with an output shaft of a second gearbox, the second gearbox is fixed on the supporting base plate, and the input shaft of the second gearbox is connected with a rotating shaft of a second motor.

Conveyor includes first conveyer belt, the area face level and the length direction of first conveyer belt are perpendicular with the section of thick bamboo core of screening section of thick bamboo, the discharge gate support body of first conveyer belt is provided with defeated material slide, defeated material slide slope is arranged and the low side closes on the pole body position department of striker rod, striker rod and screening section of thick bamboo are synchronous and the syntropy rotates.

Connect material conveying mechanism including setting up the second conveyer belt in screening barrel intracavity, the conveyer belt face level of second conveyer belt just is parallel with screening barrel core.

The invention also discloses a garlic processing system which comprises the garlic screening device.

Compared with the prior art, the invention has the technical effects that: the garlic is uniformly guided to a plurality of rows of screening cylinders which are adjacently arranged by utilizing a conveying device, the garlic is positioned on the rotating screening cylinder and is in a gradually scattering state, so that the garlic is positioned at a scattering port on the first row of screening cylinders, the garlic heads with smaller sizes fall onto the material receiving and conveying mechanism from the material through holes with smaller apertures in the first row, first-stage sorting is realized, after the garlic heads with the smallest size grade are sorted out, the remaining garlic heads climb along the second row of screening cylinders and are scattered on the cylinder wall of the second row of screening cylinders, the garlic heads with larger sizes fall onto the material receiving and conveying mechanism in the stage from the material through holes in the second row of screening cylinders, and the garlic is sorted out from the screening cylinders in all stages according to the size, so that the subsequent processing is convenient, and the processing efficiency of the garlic is improved.

Drawings

FIGS. 1 and 2 are schematic views of two perspective structures of a garlic processing system;

fig. 3 to 5 are schematic views of three kinds of visual structures of a conveying device and a screening device in a garlic processing system;

FIG. 6 is a schematic view of the structure of the vibration adjusting apparatus;

fig. 7 and 8 are schematic views of two viewing angle structures of the cutting device;

FIG. 9 is a side view of the cutting apparatus performing a cutting operation;

fig. 10 is a cross-sectional view of I-I in fig. 9.

Detailed Description

The invention will be further explained with reference to fig. 1 to 10:

in order that the objects and advantages of the invention will be more clearly understood, the invention will now be described in detail with reference to the following examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

As used herein, the terms "parallel" and "perpendicular" are not limited to their strict geometric definitions, but include tolerances for machining or human error, reasonable and inconsistent.

The whole garlic processing system is integrated below, and the garlic screening device of the present invention is explained in detail:

the specific features of the garlic processing system are detailed below:

the garlic processing system comprises a conveying device 10, wherein a discharge hole of the conveying device 10 is connected with a feed hole of a screening device 20, the screening device 20 is used for separating garlic into a plurality of size grades, the screening device 20 is provided with a plurality of discharge holes, the plurality of discharge holes of the screening device 20 are connected with a processing port of a vibration adjusting device 30, the vibration adjusting device 30 is used for enabling garlic heads of the garlic to face in the same direction, the vibration adjusting device 30 is further used for sequentially transferring the garlic to the feed hole of a cutting device 40, and the cutting device 40 is used for cutting off garlic rod sections and fibrous roots of the garlic;

referring to fig. 1 and 2, the harvested garlic bulbs are fed into the conveying device 10, the garlic is guided into the screening device 20 by the conveying device 10 and classified, so that the garlic is divided into a plurality of grades according to size, the screened garlic of each grade is guided into the respective vibration adjusting device 30, the posture of the garlic bulbs is adjusted by the vibration adjusting device 30, the garlic bulbs face to the same state, the cutting device 40 is started, and the cutting operation of the fibrous roots and the garlic stems of the garlic bulbs is realized, so that the processing system can improve the processing efficiency of the garlic and can avoid the problem of reduced garlic quality caused by garlic clove separation.

As a preferred embodiment of the present invention, as shown in fig. 1 and fig. 2, a discharge port of the sieving device 20 is provided with a cleaning device 50, the cleaning device 50 is used for performing a cleaning operation on garlic, and the discharge port of the cleaning device 50 is in port connection with the vibration adjusting device 30;

because more soil is adhered to the surface of the garlic, in order to clean the soil on the surface of the garlic, the surface of the garlic is cleaned before the garlic is guided into the vibration adjusting device 30, so that the cleanliness of the surface of the garlic is ensured.

Referring to fig. 3 to 5, in order to sieve the garlic according to different sizes, the sieving device 20 includes a plurality of rows of sieving cylinders 21 arranged in parallel at intervals, cores of the sieving cylinders 21 are horizontally and adjacently arranged in parallel, a plurality of material through holes 211 are arranged on the cylinder wall of the sieving cylinder 21, the material through holes 211 are arranged at intervals along the circumferential direction and the axial direction of the cylinder wall of the sieving cylinder 21, a driving mechanism drives the sieving cylinders 21 to rotate in the same direction and synchronously, the aperture of the material through holes 211 of the sieving cylinder 21 along the material moving direction is gradually increased, a material receiving and conveying mechanism is arranged in a cylinder cavity of the sieving cylinder 21, and a discharge port of the material receiving and conveying mechanism is connected with a feed port of the cleaning device 50;

the garlic is uniformly guided into a plurality of rows of sieving cylinders 21 which are adjacently arranged by utilizing the conveying device 10, the garlic is positioned on the rotating sieving cylinders 21 and is in a gradually dispersed state, so that the garlic is positioned on a dispersing port on the first row of sieving cylinders 21, the garlic heads with smaller sizes fall onto the material receiving and conveying mechanism from the first row of material through holes 211 with smaller apertures, the first-stage sorting is realized, after the garlic heads with the smallest size grade are sorted out, the remaining garlic heads climb along the second row of sieving cylinders 21 and are dispersed on the cylinder walls of the second row of sieving cylinders 21, and the garlic heads with larger sizes fall onto the material receiving and conveying mechanism of the stage from the material through holes 211 of the second row of sieving cylinders 21;

according to the method, garlic is screened out from the screening barrels 21 of all levels according to the size, so that the subsequent processing is facilitated;

in the invention, the screening cylinders 21 can be arranged in 3 rows at intervals in parallel, so that most of the garlic can be screened out according to the size;

the three rows of screening cylinders 21 are close to each other, so that garlic bulbs are prevented from falling from gaps among the screening cylinders 21, and the garlic bulbs are ensured to fall into respective material receiving and conveying mechanisms to perform subsequent operation.

Further, as shown in fig. 3 and 4, because the parallel screening barrels 21 are arranged next to each other, garlic falls to the middle section of the barrel body of the screening barrel 21 after being screened from the screening barrels 21 at all levels, which easily causes that the garlic cannot smoothly fall along the top end of the screening barrel 21, a material blocking rod 22 is arranged between the adjacent screening barrels 21, the material blocking rod 22 is parallel to the screening barrel 21, the material blocking rod 22 is located at the middle position of the connecting line of the barrel cores of the adjacent screening barrels 21, and the rod body of the material blocking rod 22 is close to the outer wall of the screening barrel 21;

the garlic can be supported by the material blocking rod 22, and after falling from the first-stage screening cylinder 21, the garlic can be contacted with the cylinder wall of the second-stage screening cylinder 21 by the material blocking rod 22, the garlic can be received by the rotating second-stage screening cylinder 21, and the garlic with smaller size can fall into the material receiving and conveying mechanism of the screening cylinder 21 from the material through hole 211; by analogy, the garlic can be smoothly accepted, and the garlic can be ensured to climb along the wall of the screening cylinder 21 so as to implement the garlic sorting operation.

As shown in fig. 5, since the garlic is not spherical, although the fibrous root portion of the garlic is soft, the garlic has a certain supporting force, and when the garlic is easily climbed and moved on the wall of the sieving cylinder 21 due to the clay on the surface of the garlic, the garlic cannot smoothly enter the material receiving and conveying mechanism from the material through holes 211, and accordingly, the multiple rows of sieving cylinders 21 are rotatably arranged on the supporting frame 23, the supporting frame 23 is arranged on the vibrating mechanism, and the vibrating mechanism drives the sieving cylinder 21 to vibrate;

when the garlic is positioned on the rotating screening barrel 21 to rotate, the vibration mechanism enables the multiple rows of screening barrels 21 to be in a high-speed vibration state, the high-speed vibration screening barrel 21 can enable a part of soil on the surface of garlic fibrous roots to vibrate, and the self vibration force can overcome the supporting force generated by the contact of the garlic fibrous roots and the openings of the material through holes 211, so that the garlic fibrous roots deform, and the garlic can enter the material receiving and conveying mechanism along the material through holes 211 to ensure the effectiveness of garlic screening.

Specifically, as shown in fig. 5, the support frame 23 is rotatably provided with a support roller 231, a roller core of the support roller 231 is parallel to a core of the sieving cylinder 21, the support roller 231 is respectively disposed at two ends of the sieving cylinder 21 and at two sides of the core of the sieving cylinder 21, a lower plate surface of the support frame 23 is provided with a support ball 232, and a ball surface of the support ball 232 abuts against an upper plate surface of the support base plate 24;

the support frame 23 can support the two ends of the screening drum 21 in a rotating manner, and the driving mechanism is used for driving the screening drum 21, so that the screening drum 21 rotates;

the support frame 23 is arranged on the support base plate 24 through the support balls 232 in a rolling manner, and the vibration mechanism can be used for conveniently driving the support frame 23 to be located on the support base plate 24 to slide back and forth according to a set direction, so that the sieving cylinder 21 is vibrated.

More specifically, as shown in fig. 3 and 4, the driving mechanism includes a driven wheel 212 disposed at the center of one end of the classifying drum 21, a first gearbox 233 is fixed on the supporting frame 23, an output shaft of the first gearbox 233 is provided with a driving wheel, an input shaft of the first gearbox 233 is connected with a first motor 234, the vibrating mechanism includes a driving shaft 235 disposed below the supporting frame 23, the driving shaft 235 is eccentrically disposed on a driving disc 236, a disc core of the driving disc 236 is connected with an output shaft of a second gearbox 241, the second gearbox 241 is fixed on the supporting base plate 24, and an input shaft of the second gearbox 241 is connected with a rotating shaft of a second motor 242;

the first motor 234 of the driving mechanism is started, so that the two driving wheels drive the driven wheel 212 at the center of one end of the sieving cylinder 21 to synchronously and equidirectionally rotate, thereby realizing synchronous and equidirectional driving of the sieving cylinder 21;

the driven wheel 212 and the driving wheel are both gears and are connected by a chain, so that the screening drum 21 can be driven to synchronously rotate;

the second motor 242 of the vibration mechanism is started to drive the driving disc 236 to rotate, so as to link the driving shaft 235 to eccentrically rotate, and further to realize the reciprocating movement of the supporting frame 23 on the supporting base plate 24 according to the circumferential direction, so as to realize the vibration of the multiple rows of screening cylinders 21 on the supporting frame 23;

the eccentric distance between the driving shaft 235 and the driving disc 236 is not too large, and can be controlled within a range of 2-5 cm, so that the screening cylinder 21 can be in a rapid vibration state;

more preferably, as shown in fig. 3 to 5, the conveying device 10 includes a first conveying belt 11, a belt surface of the first conveying belt 11 is horizontal, and a length direction of the first conveying belt 11 is perpendicular to a core of the sieving cylinder 21, a discharging port frame body of the first conveying belt 11 is provided with a material conveying sliding plate 12, the material conveying sliding plate 12 is arranged in an inclined manner, a lower end of the material conveying sliding plate is close to a shaft body position of a material blocking rod 22, and the material blocking rod 22 and the sieving cylinder 21 rotate synchronously and in the same direction;

above-mentioned conveyor's first conveyer belt 11 is led the garlic and is sent to the defeated material slide 12 of discharge gate department on, the smooth flitch 12 of slope implements the support to the garlic, actuating mechanism still drives striker rod 22 synchronous revolution through gear or band pulley, thereby realize the transportation to the garlic, and make the garlic of depositing at defeated material slide 12 low end position arrange one by one and lead and send to first order screening section of thick bamboo 21, avoid the garlic to deposit at defeated material slide 12 low end position department, the unable smooth of the garlic that leads to send to first order screening section of thick bamboo 21 on.

Specifically, the material receiving and conveying mechanism comprises a second conveying belt 25 arranged in a cylinder cavity of the screening cylinder 21, a conveying belt surface of the second conveying belt 25 is horizontal and parallel to a cylinder core of the screening cylinder 21, the cleaning device 50 comprises a conveying frame 51 arranged below a discharge end of the second conveying belt 25, a frame surface of the conveying frame 51 is obliquely arranged, conveying rods 52 are rotatably arranged in the frame surface of the conveying frame 51, the conveying rods 52 are arranged at intervals along the length direction of the conveying frame 51, a power mechanism drives the conveying rods 52 to synchronously and unidirectionally rotate, 2 groups of cleaning brush rollers 53 are arranged on the frame surface close to the lower end of the conveying frame 51, and the cleaning brush rollers 53 are parallel to the conveying rods 52;

after receiving the garlic guided out from the screening barrels 21 at all levels, the second conveyor belt 25 of the receiving and conveying mechanism guides and conveys the garlic to the position of the conveying frame 51, because the garlic can be continuously transported by the plurality of rows of conveying rods 52 of the conveying frame 51, and the garlic is guided and conveyed from the lower end of the conveying frame 51 to the high end;

the two groups of cleaning brush rollers 53 at the lower end of the material conveying frame 51 rotate synchronously, and the cleaning brush rollers 53 can adhere the soil and the adhered hair on the surface of the garlic, so that the surface of the garlic is cleaned;

the cleaning brush roller 53 can be arranged at the middle section of the material conveying frame 51 to ensure the cleaning effect on the surface of the garlic;

preferably, as shown in fig. 1 and fig. 2, the lower end of the material conveying frame 51 is disposed in the cleaning water tank 56, the roller body of the lower cleaning brush roller 53 is lower than the liquid level of the cleaning water tank 56, the roller body of the higher cleaning brush roller 53 is higher than the liquid level of the cleaning water tank 56, a material scattering rod 54 is disposed on the lower end frame of the material conveying frame 51, the material scattering rod 54 is parallel to the length direction of the material conveying frame 51, multiple groups of material scattering rods 54 are disposed at intervals along the width direction of the material conveying frame 51, the high end of the material conveying frame 51 is provided with a material guiding sliding plate 55, and the lower end of the material guiding sliding plate 55 is located above the feeding port of the vibration adjusting device 30;

because the garlic that second conveyer belt 25 derived piles up easily on the washing brush roller 53 of the low side of defeated material frame 51, wash brush roller 53 can't with the surface contact of each garlic, and then can't ensure the cleaning performance to each grain of garlic, the contrast, the bulk cargo pole 54 that sets up in foretell material frame 51's the low side framework, make the garlic arrange and establish and constitute the passageway between adjacent bulk cargo pole 54, bulk cargo pole 54 leads the accumulational garlic by low to high along the length direction of material frame 51 according to single mode side by side, thereby the realization is to the bulk cargo of garlic, make the garlic can fully contact with washing brush roller 53, start foretell washing brush roller 53, can ensure that clean the earth with the garlic surface.

Referring to fig. 6, cleaned garlic is guided into a vibration adjusting device 30 to adjust the posture of the garlic, the vibration adjusting device 30 includes a vibration disk 31, a disk opening of the vibration disk 31 forms a feeding port, a disk bottom of the vibration disk 31 is provided with a material guiding spiral block 32, the material guiding spiral block 32 is arranged along the disk bottom of the vibration disk 31 to a disk opening, a high end of the material guiding spiral block 32 is connected with a sliding block 33, a limit stop 34 is arranged beside the sliding block 33, an edge of the sliding block 33 is provided with a first arc surface 331, an edge of the limit stop 34 is provided with a second arc surface 341, the disk opening of the vibration disk 31 is provided with a positioning ring groove 35, the positioning ring groove 35 is arranged beside a lower end of the second arc surface 341, an outlet position of the sliding block 33 is further connected with one end of a material guiding ring block 36, a first material guiding groove 361 is arranged on a plate surface of the material guiding ring block 36, two groups of first material blocking rods 37 are arranged above the material guiding ring-shaped block 36, the surrounding directions of the two groups of first material blocking rods 37 and the material guiding ring-shaped block 36 are consistent, a passage for garlic to pass through is formed between the two groups of first material blocking rods 37 and the first material guiding groove 361, one end of one group of first material blocking rods 37 extends to a position above the first arc surface 331 of the sliding block 33, and the other end of the material guiding ring-shaped block 36 is connected with a feed inlet of the cutting device 40;

referring to the enlarged view of fig. 6, after the garlic is fed to the bottom of the vibration plate 31, the vibration plate 31 is started to vibrate the garlic inside the vibration plate 31, the garlic firstly moves upwards along the material guiding spiral block 32, the width of the material guiding spiral block 32 is matched with the particle size of a single garlic, so that a single garlic grain can spirally climb upwards next to the material guiding spiral block 32 and is fed to the end of the high end of the material guiding spiral block 32, when the garlic slides onto the material sliding block 33, the material sliding block 33 is matched with the limit stop 34, the vibrating vibration plate 31 makes the posture of the garlic adjusted along the first arc surface 331, and finally the garlic rods of the garlic are partially inserted into the positioning ring groove 35, the garlic rods of the next garlic are inserted into the positioning ring groove 35, so that the garlic postures of the garlic are accurately adjusted, and are fed onto the material guiding ring 36, the garlic rods of the garlic are clamped and limited by the positioning ring groove 35, therefore, the garlic stems of the garlic are horizontally arranged, the garlic heads of the garlic are clamped in the channel formed by the first material guide groove 361 and the two groups of first material blocking rods 37, the garlic is led out to the cutting device 40 in a horizontal manner and in a close arrangement manner according to the orientation of the garlic stems, and the cutting device 40 is conveniently arranged to cut off the garlic stems and fibrous roots of the garlic.

Further, as shown in fig. 7 to 9, an arc-shaped extending block 362 is disposed at the other end of the material guiding annular block 36, one end of the arc-shaped extending block 362 is bent and vertically extends downward, a second material guiding groove 3621 is disposed on the arc-shaped extending block 362, the second material guiding groove 3621 and the first material guiding groove 361 are arranged in a penetrating manner, two sets of second material blocking rods 3622 are disposed on the outer side of the arc-shaped extending block 362, and the two sets of second material blocking rods 3622 are consistent with the arc-shaped extending block 362 in the forward extending direction;

the garlic heads regularly arranged on the guiding ring block 36 are guided into the arc-shaped extending block 362, and the two sets of second guiding rods 3622 are matched with the second guiding groove 3621, so that a channel for vertically moving the garlic is formed, and the garlic is moved into the cutting device 40 until vibrating, so that the garlic heads are cut.

Specifically, as shown in fig. 9, a vertical extending block 363 is disposed at a lower end of the arc extending block 362, a third material guiding groove 3631 is disposed on the vertical extending block 363, third material blocking rods 3632 are disposed at lower ends of the two sets of second material blocking rods 3622, the third material blocking rods 3632 are vertically disposed, an opening 3633 is disposed at a bottom of the third material guiding groove 3631, the cutting device 40 includes two sets of cutting disc cutters 41, a disc surface of each cutting disc cutter 41 is vertical and is respectively disposed at two sides of the opening 3633, the cutting disc cutters 41 protrude out of the opening 3633 and extend towards the direction of the third material blocking rods 3632, opposite disc surfaces of the two cutting disc cutters 41 are respectively located at outer sides of the two third material blocking rods 3632 and are disposed adjacently, and the driving unit drives the two cutting disc cutters 41 to rotate synchronously;

the garlic moving in the arc-shaped extension block 362 moves into the channel formed by the vertical extension block 363 and the third material blocking rod 3622, the two sets of cutting disc knives 41 of the cutting device 40 protrude out of the opening 3633 and extend towards the third material blocking rod 3632, and the two cutting disc knives 41 are arranged adjacent to the inner sides of the two third material blocking rods 3632, so that the garlic stems and fibrous roots of the garlic can be cut off cleanly;

the distances between the two first material blocking rods 37, the second material blocking rods 3622 and the third material blocking rods 3632 and the respective first material guide groove 361, the second material guide groove 3621 and the third material guide groove 3631 are not too large, so that garlic heads of the garlic protrude out of one side of the respective material blocking rod body while the garlic is blocked, the garlic rods and fibrous roots of the garlic can extend out of gaps between the respective material blocking rods and the material guide grooves, and the garlic rods and the fibrous roots can be conveniently cut off by the two groups of cutting disc cutters 41 of the cutting device 40;

the distance between the two first material blocking rods 37, the second material blocking rod 3622 and the third material blocking rod 3632 is not too large, so that the two ends of the garlic can be roughly limited, and the garlic is prevented from being extruded out from the gap between the material blocking rods;

specifically, L-shaped support plates 3634 are arranged on two sides of a third material guide channel 3631 of the vertical extension block 363, the plate surface of each L-shaped support plate 3634 is vertical, one end of each L-shaped support plate 3634 is fixed to the lower end side of the vertical extension block 363, the other side of each L-shaped support plate 3634 extends vertically upwards, an opening through which garlic bulbs and garlic stalks pass is formed between the other side of each L-shaped support plate 3634 and the vertical extension block 363, a strip-shaped hole 3635 is arranged on the plate surface on the other side of each vertical extension block 363, the strip-shaped holes 3635 are vertically arranged in the length direction, an elastic positioning piece 3636 is arranged in each strip-shaped hole 3635, the upper end of each elastic positioning piece 3636 is fixed to the plate surface on the other side of each L-shaped support plate 3634, and each elastic positioning piece 36;

when garlic passes through the passage formed by the third material guiding slot 3631 and the third material retaining bar 3632 of the vertical extension block 363, the garlic rods and fibrous roots at the two ends of the garlic are respectively guided into the openings formed by the L-shaped support plates 3634 and the two sides of the vertical extension block 363 to avoid the garlic rods and the fibrous roots, when garlic is guided between the L-shaped support plates 3634 at the two sides of the vertical extension block 363, the elastic positioning sheets 3636 are used for positioning the garlic heads so that the garlic heads are positioned in the middle of the passage formed by the third material guiding slot 3631 and the third material retaining bar 3632 of the vertical extension block 363, and the garlic rods and the fibrous roots of the garlic horizontally extend out of the two sides of the L-shaped support plates 3634, and the two sets of cutting disc knives 41 of the cutting device 40 are started, so that the garlic rods and the fibrous roots of the garlic can be accurately cut to avoid cutting off the garlic heads of the garlic, the processing quality of the garlic is ensured;

the elastic positioning sheet 3636 can be used for accurately positioning the garlic bulb position, so that the cutting disc knife 41 of the cutting device 40 can be conveniently and practically operated;

as shown in fig. 7 and 8, the elastic force of the elastic positioning piece 3636 is not too large, the elastic positioning piece 3636 may be a thin metal sheet to support two sides of the garlic head portion extending out of the third material blocking rod 3632, so as to determine the garlic position and conveniently realize accurate cutting of the garlic rods and fibrous roots, and the plate surface of the elastic positioning piece 3636 protruding out of the strip-shaped hole 3635 is vertical to form a supporting and positioning function for two ends of the garlic head portion protruding out of the third material blocking rod 3632.

Further, as shown in fig. 9 and 10, the cores of the two sets of cutting disc cutters 41 are connected by a connecting shaft 42, a material guiding roller 43 is disposed between the two sets of cutting disc cutters 41, two sets of bearings 421 are disposed on the connecting shaft 42, the two sets of bearings 421 are disposed on one side of the two sets of cutting disc cutters 41, inner rings of the two sets of bearings 421 are respectively fixed to disc surfaces of the two sets of cutting disc cutters 41, outer rings of the two sets of bearings 421 are respectively fixed to two sides of the material guiding roller 43, two sides of the material guiding roller 43 are respectively provided with a waist-shaped hole 431, the waist-shaped hole 431 is circular arc-shaped, the center of the waist-shaped hole is concentric with the material guiding roller 43, dial rods 411 are disposed on disc surfaces on opposite sides of the two sets of cutting disc cutters 41, the dial rods 411 penetrate into openings of the waist-shaped holes 431, a material guiding convex rib 432 is disposed on a wheel surface of the material guiding roller 43, the material guiding convex rib 432 is disposed, the driving unit comprises a gear box 44 connected with one end of the connecting shaft 42, and an input shaft of the gear box 44 is connected with a rotating shaft of a driving motor 45;

referring to fig. 9, when the garlic bulbs are guided to the channel formed by the third material guiding slot 3631 and the third material retaining rod 3632 of the vertical extension block 363, the position of the material guiding roller 43 can slightly block the garlic bulbs, so that the discharging speed of the garlic bulbs is slowed, the driving motor 45 is started to drive the two sets of cutting disc knives 41 to rotate, and further the fibrous roots and the garlic stems at two ends of the garlic bulbs between the position of the material guiding roller 43 and the third material retaining rod 3632 are cut off, thereby avoiding the problem that the fibrous roots and the garlic stems at two ends of the garlic bulbs cannot be cut off smoothly due to the excessively high guiding speed when the garlic bulbs are guided to the channel formed by the third material guiding slot 3631 and the third material retaining rod 3632 of the vertical extension block 363;

as shown in fig. 9 and 10, the two sides of the material guiding roller 43 are respectively provided with a waist-shaped hole 431, and the material guiding roller 43 is in insertion fit with the shifting lever 411 arranged on the opposite side plate surfaces of the two sets of cutting disc cutters 41, when the two sets of cutting disc cutters 41 rotate, the material guiding roller 43 rotates in a linked manner, and the rotating posture of the material guiding roller 43 is as follows: when the material guiding roller 43 bears resistance, the resistance borne by the material guiding roller 43 makes the material guiding roller 43 in a static state relative to the cutting disc cutter 41, at this time, the cutting disc cutter 41 performs the cutting off of fibrous roots and garlic stem parts at two ends of the garlic bulb at the position, and when the deflector rod 411 abuts against the hole ends of the kidney-shaped holes 431 at two ends of the material guiding roller 43, the synchronous rotation of the material guiding roller 43 is interlocked, so that the garlic bulb at the position is extruded downwards, the downward material guiding of the garlic is realized, the garlic bulb parts are in an intermittent rapid material guiding posture, the cutting disc cutter 41 can cut off the fibrous roots and the garlic stem parts at two ends of the garlic bulb which are stopped instantly, and the garlic processing quality is ensured;

the guide convex ribs 432 arranged on the wheel surface of the guide roller 43 at intervals can increase the friction force contacting with the garlic bulbs so as to realize smooth guide operation of the garlic bulbs.

Further, as shown in fig. 7 to 9, a guide block 364 is further disposed at a lower end of the vertical extending block 363, the guide block 364 is bent to be "S" shaped, two ends of the guide block 364 vertically extend, a fourth material guide chute 3641 is disposed on the guide block 364, the fourth material guide chute 3641 is arranged in a penetrating manner along an extending direction of the guide block 364, a material blocking plate 3642 is further disposed outside the guide block 364, the material blocking plate 3642 and the fourth material guide chute 3641 form a passage through which garlic bulbs pass, an extending direction of the material blocking plate 3642 is the same as the extending direction of the guide block 364, an upper end of the material blocking plate 3642 is connected with a lower end of a third material blocking rod 3632, a material blocking arc plate 3643 is further disposed at an upper end of the material blocking plate 3642, and the material blocking arc plate 3643 extends upward and away from a groove bottom direction of a third material guide chute 3631 of the vertical extending block 363;

the lower end of the vertical extension block 363 is provided with the guide block 364 which is extended along the same direction, and the guide block 364 is bent into an "S" shape, so that the cut garlic is guided and conveyed, and meanwhile, the guide block 364 with the structural shape increases the moving resistance to the cut garlic head part, thereby avoiding the garlic from moving down rapidly, ensuring that the garlic in the vertical extension block 363 is in a mutually close posture, and facilitating the cutting disc knife 41 to cut off fibrous roots and garlic stems at two ends of the garlic;

in order to prevent the garlic bulbs with the cut fibrous roots and the garlic stems from moving out of the gap between the two third material retaining rods 3632, the garlic bulbs with the cut fibrous roots and the garlic stems can be limited by the fourth material guide groove 3641 and the material retaining plate 3642 of the guide block 364, so that the garlic bulbs are guided out of the channel formed by the fourth material guide groove 3641 and the material retaining plate 3642 of the guide block 364, and the garlic bulbs are prevented from jumping out;

the baffle arc plate 3643 extends upwards and outwards, so that the guiding-out block 364 forms an opening enough for receiving the garlic bulb part, so as to form a receiving for smoothly receiving the garlic bulb part.

The fibrous roots and the garlic stems of the garlic bulbs in each group are cut out and are led out from the respective leading-out blocks 364 of each group, the lower ends of the leading-out blocks 364 are provided with the material receiving crawler belts 60, the belt surfaces of the material receiving crawler belts 60 are horizontal, so that the finished products are received, the received garlic bulbs are dried in the sun, the garlic bulbs are rotten due to moisture, and then the garlic bulbs can be packaged according to actual conditions.

The garlic processing method is briefly introduced below, and comprises the following steps:

firstly, preliminarily cleaning harvested fresh garlic bulbs, preliminarily draining the cleaned garlic bulbs, and putting the garlic bulbs onto a first conveying belt 11 of a conveying device 10;

secondly, starting a driving mechanism of the screening device 20 to enable a plurality of groups of screening cylinders 21 and material blocking rods 22 to synchronously rotate;

thirdly, starting a vibration mechanism of the screening device 20 to enable a plurality of groups of screening cylinders 21 of the screening device 20 to vibrate synchronously;

fourthly, the second conveyer belt 25 is started to guide the screened garlic bulbs with a plurality of grades into the cleaning device 50;

fifthly, starting the cleaning device 50 to enable the material conveying rods 52 in the material conveying frame 51 to synchronously and unidirectionally rotate, and enable the cleaning brush rollers 53 to synchronously and unidirectionally rotate;

sixthly, guiding the cleaned garlic bulbs out of the high end of the material conveying frame 51 to the vibration adjusting device 30, starting the vibration disc 31 of the vibration adjusting device 30, so that the garlic bulbs sequentially move along the material guiding spiral block 32 and are guided to the material sliding block 33, and the first arc surface 331 on the material sliding block 33 leads one end of each garlic rod into the positioning ring groove 35, and the garlic bulbs of the garlic are positioned in the channel formed by the two groups of first material guiding rods 37 and the first material guiding grooves 361, so that the garlic bulbs of the garlic move along the channel until being guided out of the lower end of the arc-shaped extending block 362 to the cutting device 40;

seventhly, starting the cutting device 40 to enable the two groups of cutting disc knives 41 of the cutting device 40 to synchronously and equidirectionally rotate so as to cut off the garlic stems and fibrous roots at the two ends of the garlic bulbs and lead the cut garlic bulbs out of the lead-out block 364;

eighthly, drying the garlic bulbs with the garlic stems and fibrous roots cut off, and guiding the garlic bulbs to a packaging machine for packaging.

Claims

1. The garlic processing system is characterized in that: the garlic separating device comprises a conveying device (10), wherein a discharge hole of the conveying device (10) is connected with a feed hole of a screening device (20), the screening device (20) is used for separating garlic into a plurality of sizes and grades, and the screening device (20) is provided with a plurality of discharge holes;

the plurality of discharge ports of the screening device (20) are in port connection with a vibration adjusting device (30), the vibration adjusting device (30) is used for enabling garlic bulbs of the garlic to face in the same direction, the vibration adjusting device (30) is further used for sequentially conveying the garlic to the feed port of a cutting device (40), and the cutting device (40) is used for cutting off garlic stem sections and fibrous roots of the garlic;

an arc-shaped extending block (362) is arranged at a discharge port of the vibration adjusting device (30), a vertical extending block (363) is arranged at the lower end of the arc-shaped extending block (362), a third material guide groove (3631) is arranged on the vertical extending block (363), third material guide rods (3632) are respectively arranged at the lower ends of two groups of second material guide rods (3622) on the arc-shaped extending block (362), the third material guide rods (3632) are vertically arranged, and an opening (3633) is formed in the bottom of the third material guide groove (3631); the cutting device (40) comprises two groups of cutting disc knives (41), the disc surfaces of the cutting disc knives (41) are vertical and are respectively arranged on two sides of the opening (3633), the cutting disc knives (41) protrude out of the opening (3633) and extend towards the direction of a third material rod (3632), the disc surfaces on the opposite sides of the two cutting disc knives (41) are respectively positioned on the inner sides of the two third material rods (3632) and are arranged adjacently, and the driving unit drives the two cutting disc knives (41) to synchronously rotate;

the screening device (20) comprises a plurality of rows of screening cylinders (21) which are arranged in parallel at intervals, the cylinder cores of the screening cylinders (21) are horizontally arranged in parallel and are adjacently arranged, material through holes (211) are formed in the cylinder wall of the screening cylinder (21), the material through holes (211) are arranged at intervals along the circumferential direction and the axial direction of the cylinder wall of the screening cylinder (21), a driving mechanism drives the screening cylinders (21) to rotate in the same direction and synchronously, the aperture of the material through holes (211) of the screening cylinder (21) along the material moving direction is gradually increased, and a material receiving and conveying mechanism is arranged in the cylinder cavity of the screening cylinder (21);

a material blocking rod (22) is arranged between the adjacent screening cylinders (21), the material blocking rod (22) is parallel to the screening cylinders (21), the material blocking rod (22) is positioned in the middle of the cylinder core connecting line of the adjacent screening cylinders (21), and the rod body of the material blocking rod (22) is close to the outer wall of the screening cylinder (21);

multirow screening section of thick bamboo (21) rotary type sets up on support frame (23), support frame (23) set up on vibration mechanism, and vibration mechanism drive screening section of thick bamboo (21) vibrate.

2. The garlic processing system of claim 1, wherein: the utility model discloses a screening drum, including support frame (23), support roll (231) last rotation type is provided with backing roll (231), backing roll (231) roller core is parallel with screening section of thick bamboo (21) roller core, backing roll (231) are put at the both ends of screening section of thick bamboo (21) and are screened the core both sides of a section of thick bamboo (21) separately, the face is provided with support ball (232) down on support frame (23), the ball face of support ball (232) supports with the last face of support base plate (24) and supports and lean on.

3. The garlic processing system of claim 2, wherein: the driving mechanism comprises a driven wheel (212) arranged at the center of one end of the screening cylinder (21), a first gearbox (233) is fixed on the supporting frame (23), a driving wheel is arranged on an output shaft of the first gearbox (233), an input shaft of the first gearbox (233) is connected with a first motor (234), the vibrating mechanism comprises a driving shaft (235) arranged below the supporting frame (23), the driving shaft (235) is eccentrically arranged on the driving disc (236), a disc core of the driving disc (236) is connected with an output shaft of a second gearbox (241), the second gearbox (241) is fixed on the supporting base plate (24), and an input shaft of the second gearbox (241) is connected with a rotating shaft of the second motor (242).

4. The garlic processing system of claim 3, wherein: conveyor (10) include first conveyer belt (11), the area face level and the length direction of first conveyer belt (11) are perpendicular with the section of thick bamboo core of screening section of thick bamboo (21), the discharge gate support body of first conveyer belt (11) is provided with defeated material slide (12), defeated material slide (12) slope is arranged and the low side is close to the pole body position department of striker rod (22), striker rod (22) and screening section of thick bamboo (21) are synchronous and the syntropy rotates.

5. The garlic processing system of claim 4, wherein: the material receiving and conveying mechanism comprises a second conveying belt (25) arranged in a barrel cavity of the screening barrel (21), and the conveying belt surface of the second conveying belt (25) is horizontal and parallel to the barrel core of the screening barrel (21).