CN214289499U

CN214289499U - Sweet-scented osmanthus look selects device

Info

Publication number: CN214289499U
Application number: CN202120170564.5U
Authority: CN
Inventors: 刘忠; 李清林
Original assignee: Hubei August Flower Food Co ltd
Current assignee: Hubei August Flower Food Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-09-28
Anticipated expiration: 2031-01-21

Abstract

The utility model provides a sweet-scented osmanthus look selects device belongs to sweet-scented osmanthus processing technology field. The device comprises a homogenizing cylinder, a feeding hopper and a discharging cylinder, wherein an installation shaft is arranged in the discharging cylinder, the installation shaft is rotationally connected with the discharging cylinder, a negative pressure cavity is formed between the outer wall of the installation shaft and the inner wall of the installation cylinder, the discharging cylinder is of a ventilating and material-impermeable net structure, a gap matched with the peripheral surface of the discharging cylinder is formed in the homogenizing cylinder, the feeding hopper is positioned at the top of the homogenizing cylinder, a blast impeller is arranged in the homogenizing cylinder, a spray valve system is arranged on the installation shaft, a visible light camera and a light source are arranged outside the discharging cylinder, a sealing plate abutting against the inner wall of the discharging cylinder is fixedly arranged on the installation shaft, and the sealing plate is positioned under the installation shaft; and a defective product conveying belt and a non-defective product conveying belt are arranged below the discharge barrel. The utility model has the advantages of the color sorting precision is high.

Description

Sweet-scented osmanthus look selects device

Technical Field

The utility model belongs to the technical field of sweet-scented osmanthus processing, a sweet-scented osmanthus look selects device is related to.

Background

The sweet osmanthus is praised as Hubei Bingning in the city of sweet osmanthus, the sweet osmanthus is widely planted, as stuffing, beverage product additives and the like of various foods, the most important and complicated steps are not sorting of the sweet osmanthus, and the sweet osmanthus grows among leaves and entrails and has the characteristics of four divisions of corolla, small shape and the like, so that the sweet osmanthus is the main reason for difficult impurity removal and sorting.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sweet-scented osmanthus look selection device to the above-mentioned problem that prior art exists, the utility model aims to solve the technical problem that how to improve the look selection precision through the mode of control sweet-scented osmanthus movement track.

The purpose of the utility model can be realized by the following technical proposal: the sweet osmanthus color sorting device is characterized by comprising a homogenizing cylinder, a feeding hopper and a discharging cylinder, wherein an installing shaft is arranged in the discharging cylinder, the installing shaft is rotatably connected with the discharging cylinder, a negative pressure cavity is formed between the outer wall of the installing shaft and the inner wall of the installing cylinder, the discharging cylinder is of a ventilating and non-material-communicating net structure, a gap matched with the peripheral surface of the discharging cylinder is formed in the homogenizing cylinder, the feeding hopper is positioned at the top of the homogenizing cylinder, a blast impeller is arranged in the homogenizing cylinder, a spray valve system is arranged on the installing shaft, a visible light camera and a light source are arranged outside the discharging cylinder, a sealing plate abutting against the inner wall of the discharging cylinder is fixedly arranged on the installing shaft, and the sealing plate is positioned under the installing shaft; and a defective product conveying belt and a non-defective product conveying belt are arranged below the discharge barrel.

Furthermore, a check plate which inclines towards the rotation direction of the blast impeller is arranged at the outlet of the feeding hopper.

The visible light camera judges the color of the sweet osmanthus, the collected signals are transmitted to the FPGA, the FPGA judges the sweet osmanthus according to preset color selection conditions, the sweet osmanthus with the color meeting the color selection conditions directly falls into a non-defective product conveying belt when the discharging barrel rotates to the position of the sealing plate, then the non-defective product conveying belt conveys the sweet osmanthus meeting the requirements into a material receiving container at one end, the FPGA drives a spraying valve system to spray air, the sweet osmanthus adhered to the outer wall surface of the discharging barrel is blown onto a defective product conveying belt, and then the defective product conveying belt conveys the defective sweet osmanthus into the material receiving container at one end. The conventional existing means of color selector regarding the FPGA and the spray valve system are not described herein.

Due to the existence of the check plate, the vortex in the homogenizing cylinder can not interfere with the sweet osmanthus in the feeding hopper.

Because of the existence of the sealing plate, the sweet osmanthus on the outer wall surface of the discharging barrel shielded by the sealing plate is not under the action of negative pressure, and when the homogenizing barrel rotates to the sealing plate, the sweet osmanthus adhered to the corresponding position can fall onto a good product conveying belt below the homogenizing barrel.

The diameter of a blast impeller in the homogenizing cylinder is smaller than the inner diameter of the homogenizing cylinder, the blast impeller rotates in the homogenizing cylinder, under the action of centrifugal force and air flow, the air-separated osmanthus fragrans which are light in weight and relatively complete in petal can circulate in the homogenizing cylinder, so that the osmanthus fragrans can not be caked and stacked, and the osmanthus fragrans can be favorably adhered to the discharge cylinder, the osmanthus fragrans can be adhered to the outer wall of the discharge cylinder because the negative pressure cavity is in a negative pressure state, under the action of negative pressure, and the single-layer osmanthus fragrans paved on the discharge cylinder are uniformly adhered to the outer wall of the discharge cylinder through the homogenizing cylinder, so that color information of a visible light camera is favorably acquired, and missing judgment and misjudgment can be avoided, the air injection pressure of an injection valve system is far greater than the negative pressure of the negative pressure cavity, and defective osmanthus fragrans adhered to the outer wall surface of the discharge cylinder can be peeled.

In the description of the above components, the details are not the conventional means, such as the rotation of the discharge barrel, the generation of negative pressure in the negative pressure cavity, the operation power of the first conveyer belt, the operation power of the second conveyer belt, the operation power of the defective conveyer belt, the operation power of the non-defective conveyer belt, the rotation power of the first primary dispersion roller, the rotation power of the second primary dispersion roller, the rotation power of the break-up roller, and the like.

In order to avoid damage to the osmanthus fragrans caused by the fan wheel, a spiral vortex can be formed in the homogenizing cylinder in an inflation mode, so that the osmanthus fragrans float in the homogenizing cylinder.

As is well known to those skilled in the art, the spray valve system is a plurality of individually controllable air injection assemblies arranged in an array, and the filter holes on the wall of the discharge cylinder correspond to the spray valve system, specifically: the filter holes which are positioned on the same straight line along the axial direction correspond to the air injection components of the injection valve system one by one, the filter holes do not allow materials to pass, the osmanthus fragrans slices are adsorbed at the positions corresponding to the filter holes under the action of negative pressure and seal the corresponding filter holes, after the air flow is sprayed by the injection valve system, part of the air flow passes through the corresponding filter holes, so that the osmanthus fragrans slices are adhered to the discharge cylinder to avoid the separation of the corresponding osmanthus fragrans from the discharge cylinder, the structure can ensure that the arrangement of the osmanthus fragrans on the discharge cylinder is regular, the superposition of a plurality of osmanthus fragrans slices can be avoided, and the color sorting precision is improved; in addition, the traditional color sorter adopts a free falling or throwing mode to the materials, the motion trail of the traditional color sorter is less influenced by air resistance for the materials with larger density such as rice, but the motion trail of the traditional color sorter after being thrown or falling out is more influenced by air resistance and irregular in motion for the light materials such as the sweet osmanthus, the control difficulty of a spray valve system in the color sorting process is increased, in the scheme, the sweet osmanthus is adhered to the discharging barrel through negative pressure, and the motion of each sweet osmanthus material can be regular and controllable as long as the discharging barrel is ensured to rotate at a constant speed.

A gap which is arranged on the homogenizing cylinder and is matched with the peripheral surface of the discharging cylinder can scrape sweet osmanthus possibly adhered on the discharging cylinder at a position which is close to the lower end of the discharging cylinder, namely the discharging cylinder enters the homogenizing cylinder from the outside of the homogenizing cylinder; the play feed cylinder is gone up by the homogenization section of thick bamboo in to the homogenization section of thick bamboo position of moving outward and the clearance between this breach department great, avoid the osmanthus of adhesion on the play feed cylinder to be scraped off, avoid the breach to have great air current to exist in this position department, thereby prevent that the material in the homogenization section of thick bamboo from this position department discharge of breach, set up a deep bead at the outer wall surface of homogenization section of thick bamboo, this deep bead can alleviate the air current that the homogenization section of thick bamboo came out, and make probably the material of being scraped off deposit this region, because the play feed cylinder part stretches into in the homogenization section of thick bamboo, so the position air current that the deep bead corresponds is also less relatively, when the material is less in the homogenization section of thick bamboo, the material in the region that forms between deep bead and the homogenization section of thick bamboo outer wall can be taken out by the play feed cylinder.

The negative pressure cavity is positioned at the negative pressure drill bit by pumping air to the negative pressure cavity, the filtering holes in the discharging barrel can form air flow from outside to inside, and part of possibly existing material slag can be pumped away, so that the filtering holes are prevented from being blocked.

Drawings

Fig. 1 is a schematic structural diagram of an air separation device.

Fig. 2 is a schematic structural diagram of the color selection device.

FIG. 3 is a schematic view of the construction of a windbox.

Fig. 4 is a schematic structural view of the second conveyor belt.

Fig. 5 is a schematic structural diagram of the material blocking disc.

FIG. 6 is a schematic view of the structure of the mounting plate and the air nozzle.

Fig. 7 is a partial schematic view of the tap barrel body.

In the figure, 11, a first conveyor belt; 12. a first preliminary dispersion roller; 13. a second conveyor belt; 14. a second preliminary dispersion roller; 15. scattering the roller; 2. an air box; 21. an air inlet; 22. an air outlet; 23. an exhaust fan; 24. a smoothing section; 25. a constriction; 26. a feed port; 27. a secondary material discharge hole; 28. a discharging connecting pipe; 31. a material blocking disc; 32. a blade; 33. mounting a plate; 34. an air nozzle; 35. a bypass pipe; 36. a pressure limiting valve; 37. a storage tank; 41. a traction roller; 42. a shaft shoulder; 43. a rotating shaft; 44. a steel ball; 45. a spring post; 51. a homogenizing cylinder; 52. feeding into a hopper; 53. a discharging barrel; 54. installing a shaft; 55. a negative pressure chamber; 56. a blower impeller; 57. a check plate; 61. a spray valve system; 62. a visible light camera; 63. a light source; 64. a sealing plate; 65. a defective product conveyer belt; 66. and (7) a good product conveyer belt.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 3, 4, 5 and 6, the device comprises a wind separator and a color selector, the wind separator comprises a first-stage lifting mechanism, a second-stage lifting mechanism and a airflow control mechanism, the first-stage lifting mechanism comprises a first conveyor belt 11 and a first primary dispersing roller 12, the second-stage lifting mechanism comprises a second conveyor belt 13 and a second primary dispersing roller 14, the dispersing mechanism comprises two dispersing rollers 15 with opposite rotation directions, the dispersing rollers 15 are positioned between the tail end of the first-stage conveyor belt and the initial end of the second-stage conveyor belt, the airflow control mechanism comprises an air box 2, one end of the air box 2 is provided with an air inlet 21, the other end of the air box 2 is provided with an air outlet 22, the air outlet 22 is provided with an exhaust fan 23, the air box 2 is provided with a advection part 24 close to the air inlet 21 and a contraction part 25 close to the air outlet 22, the top surface of the initial end of the advection part 24 is provided with a feed hole 26, the bottom surface of the middle part of the advection part 24 is provided with a plurality of secondary material discharge holes 27, the tail end of the advection part 24 is provided with a discharge connecting pipe 28, an inlet of the discharge connecting pipe 28 is rotatably connected with a material blocking disc 31, the disc surface of the material blocking disc 31 is perpendicular to the airflow direction, an avoiding opening matched with the material blocking disc 31 is formed between the discharge connecting pipe 28 and the bottom surface of the air box 2, the material blocking disc 31 is of a net structure for ventilating and blocking materials, a plurality of blades 32 are uniformly arranged on the wind receiving surface of the material blocking disc 31 in the circumferential direction, part of the material blocking disc 31 is positioned in the air box 2, a mounting plate 33 close to the lee surface of the material blocking disc 31 is fixedly arranged in the discharge connecting pipe 28, a plurality of air nozzles 34 are arranged on the mounting plate 33, the tail end of the air box 2 is connected with a bypass pipe 35 in parallel, and each air nozzle 34 is connected with the air outlet end of the bypass pipe 35 in parallel; a pressure limiting valve 36 is arranged at the air outlet 22.

A reservoir 37 with an opening is formed between the vane 32 and the striker plate 31.

The first lifting of the sweet osmanthus to be sorted is to enable the sweet osmanthus to be acted by the scattering mechanism, and the second lifting is to enable the sweet osmanthus to freely fall to the head end of the advection part 24 of the air box 2.

The material blocking disc 31 slowly rotates under the action of air flow, meanwhile, under the action of air flow with the same intensity, the osmanthus which is blown farther can impact the material blocking disc 31 and remain in the storage tank 37, part of the osmanthus which cannot remain in the storage tank 37 can be blown into the discharging connecting pipe 28 after falling, in order to avoid the blockage of fine osmanthus powder and slag particles on a filter hole on the material blocking disc 31, a plurality of air nozzles 34 are arranged at the leeward side of the material blocking disc 31 in the discharging connecting pipe 28, each air nozzle 34 is installed on a mounting plate 33, an air source is from a bypass pipe 35 at the tail end of the air box 2, the material blocking disc 31 is reversely flushed, the material blocking disc 31 cannot be blocked after flushing, the initially set ventilation rate can be maintained, further, the airflow fluctuation of the advection part 24 can be prevented, and the winnowing quality is improved.

Second conveyer belt 13 pulls through two carry over pinch rolls 41, carry over pinch rolls 41's both ends have one respectively and support the shaft shoulder 42 that leans on with second conveyer belt 13, it is close to the terminal pivot 43 of second conveyer belt 13 to rotate to be connected with one between two straight sections of second conveyer belt 13, pivot 43 supports with shaft shoulder 42 and supports, the fixed a plurality of subassemblies of hitting of beating that are provided with in middle part of pivot 43, hit the subassembly and include steel ball 44 and the spring post 45 who connects pivot 43 and steel ball 44, steel ball 44 can hit the medial surface of the straight section of second conveyer belt 13 outside face up and hit.

The tail end of the second conveying belt 13 is hit, so that the osmanthus retained on the second conveying belt 13 is in a tiled state as much as possible, uneven accumulation of all parts is avoided, the osmanthus is as even as possible when the tail end of the second conveying belt 13 drops, and the selection in the air box 2 is more accurate.

As shown in fig. 2 and 7, the color selection device includes a homogenizing cylinder 51, a feeding hopper 52 and a discharging cylinder 53, a mounting shaft 54 is arranged in the discharging cylinder 53, the mounting shaft 54 is rotatably connected with the discharging cylinder 53, a negative pressure cavity 55 is formed between the outer wall of the mounting shaft 54 and the inner wall of the mounting cylinder, the discharging cylinder 53 is of a ventilating and material-blocking net structure, a gap matched with the peripheral surface of the discharging cylinder 53 is arranged on the homogenizing cylinder 51, the feeding hopper 52 is positioned at the top of the homogenizing cylinder 51, a blower impeller 56 is arranged in the homogenizing cylinder 51, a spray valve system 61 is arranged on the mounting shaft 54, a visible light camera 62 and a light source 63 are arranged outside the discharging cylinder 53, a sealing plate 64 abutting against the inner wall of the discharging cylinder 53 is fixedly arranged on the mounting shaft 54, and the sealing plate 64 is positioned under the mounting shaft 54; a defective conveyor 65 and a non-defective conveyor 66 are arranged below the discharge drum 53.

A check plate 57 inclined in the rotational direction of the blower impeller 56 is provided at the outlet of the inlet hopper 52.

The visible light camera 62 judges the color of the sweet osmanthus, the collected signal is transmitted to the FPGA, the FPGA judges the sweet osmanthus according to the preset color selection condition, the sweet osmanthus with the color according with the color selection condition directly falls into the non-defective product conveying belt 66, then the non-defective product conveying belt 66 conveys the sweet osmanthus meeting the requirement into the material receiving container at one end, the FPGA drives the spray valve system 61 to spray air, the sweet osmanthus adhered to the outer wall surface of the discharge barrel 53 is blown into the defective product conveying belt 65, and then the defective product conveying belt 65 conveys the defective sweet osmanthus into the material receiving container at one end. The FPGA and the spray valve system 61 are conventional and conventional means of the color sorter and will not be described in detail here.

Due to the existence of the check plate 57, the vortex in the homogenizing cylinder 51 does not interfere with the sweet osmanthus flower fed into the hopper 52.

Because of the existence of the sealing plate 64, the sweet osmanthus on the outer wall surface of the discharging cylinder 53 shielded by the sealing plate 64 is not subjected to negative pressure, and when the homogenizing cylinder 51 rotates to the sealing plate 64, the sweet osmanthus adhered to the corresponding position can fall onto the good product conveying belt 66 below the homogenizing cylinder.

The diameter of the blast impeller 56 in the homogenizing cylinder 51 is smaller than the inner diameter of the homogenizing cylinder 51, the blast impeller 56 rotates in the homogenizing cylinder 51, under the action of centrifugal force and air flow, the air-separated light sweet osmanthus with relatively complete petals can circulate in the homogenizing cylinder 51, so that the sweet osmanthus is not only prevented from being loosened and stacked, but also is favorably adhered to the discharging cylinder 53, the sweet osmanthus can be adhered to the outer wall of the discharging cylinder 53 because the inner wall of the negative pressure cavity 55 is in a negative pressure state and is under the action of negative pressure, and the sweet osmanthus which is paved on the discharging cylinder 53 in a single layer is uniformly adhered to the outer wall of the discharging cylinder 53 through the homogenizing cylinder 51, so that the visual light camera 62 is favorable for acquiring color information, the missing judgment and the misjudgment can be avoided, and the air injection pressure of the injection valve system 61 is far greater than the negative pressure of the negative pressure cavity 55, so that the defective sweet osmanthus adhered to the outer wall of the discharging cylinder 53 can be peeled.

In the description of the above-mentioned respective components, the details are not given by conventional means such as the rotation of the discharge barrel 53, the generation of negative pressure in the negative pressure chamber 55, the operation power of the first conveyor belt 11, the operation power of the second conveyor belt 13, the operation power of the defective conveyor belt 65, the operation power of the good conveyor belt 66, the rotation power of the first preliminary dispersion roller 12, the rotation power of the second preliminary dispersion roller 14, the rotation power of the breaker roller 15, and the like.

In order to avoid damage to the sweet osmanthus by the blower impeller 56, a spiral vortex can be formed in the homogenizing cylinder 51 in an aeration manner, so that the sweet osmanthus floats in the homogenizing cylinder 51.

As is well known to those skilled in the art, the spray valve system 61 is a plurality of individually controllable air injection assemblies arranged in an array, and the filtering holes on the wall of the discharging cylinder 53 correspond to the spray valve system 61, specifically: the filter holes which are in the same straight line along the axial direction correspond to the air injection components of the injection valve system 61 one by one, the filter holes do not allow materials to pass, the osmanthus fragrans 'pieces are adsorbed at the positions corresponding to the filter holes under the action of negative pressure and seal the corresponding filter holes, after the air flow is sprayed by the injection valve system 61, part of the air flow passes through the corresponding filter holes, so that the osmanthus fragrans' pieces which are adhered to the outer part of the discharging cylinder 53 are prevented from being separated from the discharging cylinder 53, the structure can ensure that the arrangement of the osmanthus fragrans 'pieces on the discharging cylinder 53 is regular, the overlapping of multiple osmanthus fragrans' pieces can be avoided, and the color selection precision is improved; in addition, the traditional color sorter adopts a free falling or throwing mode for materials, the motion trail of the traditional color sorter is less influenced by air resistance for the materials with larger density such as rice, but the motion trail of the traditional color sorter after being thrown or falling out is more influenced by air resistance and irregular in motion for the light materials such as sweet osmanthus, the control difficulty of the spray valve system 61 in the color sorting process is increased, in the scheme, the sweet osmanthus is adhered to the discharging cylinder 53 through negative pressure, and the motion of each sweet osmanthus material can be regular and controllable as long as the discharging cylinder 53 is ensured to rotate at a constant speed.

The homogenizing cylinder 51 is provided with a notch matched with the peripheral surface of the discharging cylinder 53, and the part of the notch close to the lower end of the discharging cylinder 53 can scrape sweet osmanthus possibly adhered on the discharging cylinder 53, namely the discharging cylinder 53 enters the homogenizing cylinder 51 from the outside of the homogenizing cylinder 51; the gap between the position of the discharging cylinder 53, which runs from the inner part of the homogenizing cylinder 51 to the outer part of the homogenizing cylinder 51, and the gap is large, so that the phenomenon that the osmanthus adhered on the discharging cylinder 53 is scraped off is avoided, and the phenomenon that the gap has large air flow at the position is avoided, so that the material in the homogenizing cylinder 51 is prevented from being discharged from the position of the gap, the air baffle is arranged on the outer wall surface of the homogenizing cylinder 51, the air baffle can moderate the air flow coming out of the homogenizing cylinder 51, and the possibly scraped material is stored in the region, because the discharging cylinder 53 partially extends into the homogenizing cylinder 51, the air flow at the corresponding position is relatively small, and when the material in the homogenizing cylinder 51 is less, the material in the region formed between the air baffle and the outer wall of the homogenizing cylinder 51 can be taken out by the discharging cylinder 53.

The negative pressure cavity 55 is positioned at the negative pressure drill bit by pumping air to the negative pressure cavity 55, the filtering holes in the discharging barrel 53 can form air flow from outside to inside, and part of possible material slag can be pumped away, so that the filtering holes are prevented from being blocked.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The sweet osmanthus color sorting device is characterized by comprising a homogenizing cylinder (51), a feeding hopper (52) and a discharging cylinder (53), wherein a mounting shaft (54) is arranged in the discharging cylinder (53), the mounting shaft (54) is rotationally connected with the discharging cylinder (53), a negative pressure cavity (55) is formed between the outer wall of the mounting shaft (54) and the inner wall of the mounting cylinder, the discharging cylinder (53) is of a ventilating and non-communicating mesh structure, a gap matched with the peripheral surface of the discharging cylinder (53) is formed in the homogenizing cylinder (51), the feeding hopper (52) is positioned at the top of the homogenizing cylinder (51), a blowing impeller (56) is arranged in the homogenizing cylinder (51), a spraying valve system (61) is arranged on the mounting shaft (54), a visible light camera (62) and a light source (63) are arranged outside the discharging cylinder (53), and a sealing plate (64) abutted against the inner wall of the discharging cylinder (53) is fixedly arranged on the mounting shaft (54), the sealing plate (64) is positioned right below the mounting shaft (54); and an inferior-quality product conveying belt (65) and a non-defective product conveying belt (66) are arranged below the discharging barrel (53).

2. The sweet osmanthus color sorting device according to claim 1, wherein a check plate (57) inclined towards the rotation direction of the air blowing impeller (56) is arranged at an outlet of the feeding hopper (52).