CN221360469U - Negative pressure grading clean separation system - Google Patents

Abstract

The utility model discloses a negative pressure grading clean separation system which comprises a ladle overturning feeder, a negative pressure scattering screen, a negative pressure grading clean separation machine, a material conveyor, a material distributor, an electrostatic separator, a lamp inspection machine and a metal detection machine, wherein the ladle overturning feeder is connected with the negative pressure scattering screen; the negative pressure scattering sieve is in sealing connection with the ladle overturning feeder, and a dust hood is arranged on the ladle overturning feeder; the feeding port of the negative pressure grading cleaner is connected with the outlet of the negative pressure scattering sieve, and the negative pressure scattering sieve is provided with a sieve cover; the inlet of the material conveyor is connected with the outlet of a qualified product conveying belt of the negative pressure grading and cleaning machine; the distributing machine is connected with the material conveyor; the electrostatic separator is connected with the material distributor; the light inspection machine is connected with the electrostatic separator; the metal detector is connected with the lamp detector. The advantages are that: the system adopts automatic control, and has simple operation, compact structure, small occupied space and full utilization of space; the labor intensity is reduced, the production environment is effectively controlled, the production efficiency and the product quality are greatly improved, and the production cost is reduced.

Description

Negative pressure grading clean separation system

Technical Field

The utility model relates to the technical field of clean selection, in particular to a negative pressure grading clean selection system.

Background

During the process of preparing medicine and food, the impurities such as hair, stone, metal, silt, string, plastic, mulch film, stone, animal dung and the like doped in the materials are removed. The existing processing equipment improves the production efficiency to a certain extent, but still stays at the stage of combining manual operation with single-machine equipment or a simple linkage line; in the stage of combining single machine equipment with manual operation, impurities in materials are removed manually, so that unqualified materials and impurities are removed; most materials need a plurality of working procedures to clean and remove the materials, the materials are transported between the working procedures, a large amount of labor is consumed, the quality of the products is difficult to ensure under uncertain factors such as labor intensity and subjective consciousness, and the market demand cannot be met. The linkage line needs to be manually and continuously processed on line, and the equipment cannot change the processing technology according to different materials because of different material processing modes, so that the production mode has poor universality, and a plurality of sets of equipment are needed to complete the production requirement, so that the production cost of enterprises is increased; on the other hand, workers cannot easily maintain high-quality and high-efficiency work for a long time, and the quality of products cannot be guaranteed, so that the enterprise image is affected.

Whether the mode of combining single-machine equipment with manual operation or a simple linkage line, the automatic production line has the defects of low automation degree, high personnel cost, low production efficiency, single equipment, incapability of meeting a plurality of products and the like, and a full-automatic production line is urgently needed under the condition. For this purpose, a negative pressure classification cleaning system is proposed.

Disclosure of utility model

The utility model aims to provide a negative pressure grading and cleaning system so as to solve the problems in the prior art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

A negative pressure grading and cleaning system comprises a ladle overturning feeder, a negative pressure scattering screen, a negative pressure grading and cleaning machine, a material conveyor, a material distributor, an electrostatic separator, a lamp inspection machine and a metal detection machine which are sequentially arranged; the inlet of the negative pressure scattering screen is connected with the outlet of the ladle overturning feeder, and the ladle overturning feeder is provided with a dust hood connected with the ladle overturning feeder; the feeding port of the negative pressure grading and cleaning machine is connected with the outlet of the negative pressure scattering sieve, and the negative pressure scattering sieve is provided with a sieve cover connected with the negative pressure grading and cleaning machine; the inlet of the material conveyor is connected with the outlet of the qualified product conveying belt of the negative pressure grading and cleaning machine; the inlet of the material distributor is connected with the outlet of the material conveyor; the inlet of the electrostatic separator is connected with the outlet of the distributor; the inlet of the light inspection machine is connected with the outlet of the electrostatic separator; the inlet of the metal detector is connected with the outlet of the lamp detector.

Preferably, the ladle overturning feeder comprises an electric overturning plate, a storage bin, a feeder and a control valve; the electric turning plate rotates to convey materials into the storage bin through an inlet of the storage bin, a control valve is arranged at an outlet of the storage bin, the outlet of the storage bin is connected with an inlet of a feeder, and the outlet of the feeder is connected with an inlet of the negative pressure scattering screen; the dust hood is correspondingly covered at the inlet of the storage bin;

and an iron remover is arranged at the joint of the feeder and the negative pressure scattering screen.

Preferably, the negative pressure scattering screen comprises a scattering device, a screen conveyer belt and a sundry collecting box, wherein the scattering device is arranged above the screen conveyer belt, and the sundry collecting box is arranged below the screen conveyer belt; and an iron remover is arranged at the joint of the screen conveyer belt and the negative pressure grading cleaner.

Preferably, the negative pressure grading cleaning machine comprises a negative pressure cleaning bin A, a negative pressure cleaning bin B and a vibration distributing device; the feeding port of the negative pressure clean bin A is connected with the outlet of the screen conveyer belt, a light sundry conveyer belt is arranged below the discharging port of the negative pressure clean bin A, a vibration distributing device is arranged at the discharging port of the negative pressure clean bin A and extends at the feeding port of the negative pressure clean bin B, a heavy sundry conveyer belt is arranged at the discharging port of the negative pressure clean bin B, and a qualified object conveyer belt is arranged at the discharging port of the negative pressure clean bin B;

The outlet of the negative pressure scattering sieve is connected with the feed inlet of the negative pressure clean bin A, and an iron remover is arranged at the joint;

And conveyor belt cleaning devices are arranged below the light sundry conveyor belt, the heavy sundry conveyor belt and the qualified object conveyor belt.

Preferably, the negative pressure grading cleaning machine further comprises a cyclone separator and a dust remover, and the air duct of the negative pressure cleaning bin A and the air duct of the negative pressure cleaning bin B are connected with the cyclone separator; the cyclone separator is connected with the dust remover.

Preferably, the negative pressure clean bin is provided with a cleaning opening, the cleaning opening is correspondingly covered with a cleaning window, the cleaning window is rotationally connected to the negative pressure clean bin, and the cleaning window is far away from or close to the cleaning opening so as to open or close the cleaning opening.

Preferably, the electrostatic separator comprises a vibrating screen mechanism, a lifting mechanism, a lower blowing mechanism, an electrostatic adsorption mechanism and a impurity removing mechanism; the inlet of the vibrating screen mechanism is connected with the outlet of the distributing machine, and the outlet of the vibrating screen mechanism is connected with the inlet of the light inspection machine; the utility model discloses a vibrating screen mechanism, including vibrating screen mechanism, electrostatic adsorption mechanism, impurity removal mechanism, pipeline, vibrating screen mechanism below is provided with down blowing mechanism, electrostatic adsorption mechanism installs on the elevating gear, just electrostatic adsorption mechanism's entry stretches into vibrating screen mechanism's top, electrostatic adsorption mechanism's export through the pipeline with impurity removal mechanism links to each other.

Preferably, the light inspection machine comprises a light inspection conveyor belt and an illuminating lamp arranged above the light inspection conveyor belt; the inlet of the light detection conveyor belt is connected with the outlet of the vibrating screen mechanism, and the outlet of the light detection conveyor belt is connected with the inlet of the metal detector; and a conveyor belt cleaning device is arranged below the light detection conveyor belt.

Preferably, the metal detection machine comprises a detection alarm lamp, a metal removing device and a material conveying belt, wherein the detection alarm lamp is connected with the metal removing device; the entrance of the material conveyer belt is connected with the exit of the light inspection conveyer belt, and a conveyer belt cleaning device is arranged below the material conveyer belt.

Preferably, the system further comprises a control box, the control box comprising an alarm device; the ladle overturning feeder, the negative pressure scattering screen, the negative pressure grading cleaning and selecting machine, the material conveyor, the distributing machine, the electrostatic sorting machine, the light inspection machine and the metal detection machine are all connected with the control box.

The beneficial effects of the utility model are as follows: 1. the system adopts automatic control, and has the advantages of simple operation, compact structure, small occupied area, small occupied space and full utilization of space; the labor intensity is reduced, the number of personnel is reduced, the production environment is effectively controlled, the production efficiency and the product quality are greatly improved, and meanwhile, the production cost is reduced. 2. The airtight connection structure design is adopted among all parts of the system, so that the risk of scattering materials is avoided, and the cleanliness of a workshop is ensured. 3. Iron removers are arranged at a plurality of positions of the system to remove iron metal, so that the iron metal is avoided, and meanwhile, a metal detector is also arranged to detect metal in multiple directions, so that the removal effect of metal substances in the material is ensured. 4. The ladle overturning feeder has the advantages of overcoming the defects of manual transportation, large dust, poor working environment and the like, and effectively removing iron substances doped in materials. 5. The negative pressure scattering screen is connected with the negative pressure grading cleaning and sorting machine by a sealing machine, so that negative pressure is formed in the negative pressure scattering screen by utilizing the negative pressure in the negative pressure grading cleaning and sorting machine, pollution to the production environment caused by dust leakage is prevented, and iron substances doped in materials are effectively removed. 6. The negative pressure grading cleaner adopts multiple dust removing processes such as cyclone separators, dust collectors and the like, so that dust flying is avoided, the produced waste gas is purified, and environmental pollution is avoided. 7. And an electrostatic separator is added into the system, and impurities left in materials are removed for the second time by using the electrostatic separator, so that the impurities left in the front-end working procedure and the fallen hairs, mulch films, scraps and dust in the advancing process of the materials are removed and checked, and the quality of products is ensured.

Drawings

FIG. 1 is a schematic diagram of a cleaning system in accordance with an embodiment of the present utility model;

FIG. 2 is a top view of a cleaning system in an embodiment of the utility model;

FIG. 3 is a side view of a negative pressure fractionation cleaner in an embodiment of the present utility model;

FIG. 4 is a top view of a negative pressure fractionation cleaner in an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of a negative pressure fractionation cleaner in an embodiment of the present utility model;

FIG. 6 is a schematic diagram of the structure of a negative pressure clean bin in an embodiment of the utility model;

FIG. 7 is a cross-sectional view of a negative pressure clean bin in an embodiment of the utility model;

Fig. 8 is a front view of an electrostatic classifier in an embodiment of the present utility model;

Fig. 9 is a side view of an electrostatic classifier in an embodiment of the present utility model.

In the figure, 1, a ladle overturning feeder; 11. a storage bin; 12. a feeder; 13. a material control valve; 14. an electric turning plate; 15. a dust hood; 2. negative pressure scattering screen; 21. a screen cover; 3. negative pressure grading cleaner; 31. a dust remover; 32. a cyclone separator; 33. a light sundry conveying belt; 34. heavy sundry conveying belt; 35. a qualified product conveyor belt; 36. negative pressure cleaning bin A; 361. a bin body fixing plate; 362. an air inlet; 363. a material blocking wall; 364. a guide arc plate; 365. an arcuate rear wall; 366. a discharge wall; 367. a feed inlet; 368. an air duct; 369. a feed opening; 37. negative pressure clean bin B; 38. vibrating the distributing device; 39. cleaning the window; 40. a dust removal pipeline; 4. a material conveyor; 5. a cloth machine; 6. an electrostatic classifier; 61. a vibrating screen mechanism; 62. a lifting mechanism; 63. a lower blowing mechanism; 64. an electrostatic adsorption mechanism; 65. a impurity removing mechanism; 66. a frame is installed; 7. a lamp inspection machine; 71. a waste storage box; 72. a conveyor belt cleaning device; 8. a metal detector; 81. detecting an alarm lamp; 82. a metal removing device; 9. a control box; 91. an alarm device; 10. an iron remover.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description is presented by way of example only and is not intended to limit the utility model.

As shown in fig. 1 and 2, in this embodiment, a negative pressure classification and cleaning system is provided, which includes a ladle overturning feeder 1, a negative pressure scattering screen 2, a negative pressure classification and cleaning machine 3, a material conveyor 4, a material distributor 5, an electrostatic separator 6, a light inspection machine 7 and a metal detection machine 8, which are sequentially arranged in sequence; the inlet of the negative pressure scattering screen 2 is in airtight connection with the outlet of the ladle tilting feeder 1, and the ladle tilting feeder 1 is provided with a dust hood 15 in airtight connection with the ladle tilting feeder; the feed inlet 367 of the negative pressure grading and cleaning machine 3 is in airtight connection with the outlet of the negative pressure scattering sieve 2, and the negative pressure scattering sieve 2 is provided with a sieve cover 21 in airtight connection with the negative pressure scattering sieve; the inlet of the material conveyor 4 is hermetically connected with the outlet of the qualified product conveyor belt 35 of the negative pressure classification and cleaning machine 3; the inlet of the distributor 5 is hermetically connected with the outlet of the material conveyor 4; the inlet of the electrostatic separator 6 is hermetically connected with the outlet of the distributor 5; the inlet of the light inspection machine 7 is connected with the outlet of the electrostatic separator 6; the inlet of the metal detector 8 is connected with the outlet of the light detector 7.

In this embodiment, the clean selection system mainly includes bale turning feeder 1, negative pressure break up sieve 2, negative pressure classification clean selector 3, material conveyer 4, cloth machine 5, electrostatic separation machine 6, light examine machine 7 and metal detection machine 8, and the following is explained to each part:

1. ladle overturning feeder 1

The ladle overturning feeder 1 is arranged at the head end of the system and is used for lifting, unpacking and uniformly feeding materials and removing iron substances. The whole function of the device overcomes the defects of manual transportation, large dust, poor working environment and the like, and can effectively remove iron substances doped in materials.

The ladle turnover feeder 1 comprises an electric turnover plate 14, a storage bin 11, a feeder 12 and a control valve; the electric turning plate 14 rotates to convey materials into the storage bin 11 through an inlet of the storage bin 11, a control valve is arranged at an outlet of the storage bin 11, the outlet of the storage bin 11 is connected with an inlet of the feeder 12, and an outlet of the feeder 12 is connected with an inlet of the negative pressure scattering screen 2; the dust hood 15 is correspondingly covered at the inlet of the storage bin 11; the iron remover 10 is arranged at the joint of the feeder 12 and the negative pressure scattering screen 2.

The dust hood 15 is arranged above the ladle feeder 1, and the dust hood 15 is in sealing connection with the main body structure of the ladle feeder, so that the leakage of dust is prevented, and the production environment is improved.

2. Negative pressure scattering screen 2

The negative pressure scattering screen 2 is arranged at the lower end of the discharge port of the feeder 12 and is connected with the discharge port in a sealing way. The negative pressure scattering device is used for scattering and screening sundries smaller than the sieve holes in the materials and removing iron substances.

The negative pressure scattering screen 2 comprises a scattering device, a screen conveyer belt and a sundry collecting box, wherein the scattering device is arranged above the screen conveyer belt, and the sundry collecting box is arranged below the screen conveyer belt; the outlet of the screen conveyer belt is connected with the inlet of the negative pressure classification cleaner 3, and an iron remover 10 is arranged at the outlet of the screen conveyer belt. The scattering device is used for scattering the materials and the sundries which are wound together, meanwhile, the materials and the sundries move forwards along with the screen conveyer belt, in the moving process, the sundries and the scraps smaller than the screen holes fall into the sundry collecting box below the screen conveyer belt, and the materials on the screen conveyer belt move to the next station along with the screen conveyer belt.

The screen cover 21 is correspondingly covered on the outer sides of the scattering device, the screen conveyer belt and the sundry collecting box, and is used for preventing dust from leaking out and improving production environment.

The negative pressure scattering sieve 2 and the negative pressure grading and cleaning machine 3 are in sealing connection, negative pressure generated by the negative pressure grading and cleaning machine 3 is used for forming negative pressure inside the negative pressure scattering sieve 2, preventing dust leakage from polluting the production environment, and the iron remover 10 is additionally arranged for further removing iron substances doped in materials.

3. Negative pressure grading cleaner 3

The negative pressure grading cleaner 3 is used for separating and collecting light and heavy sundries in the materials, so that qualified materials are left and enter the next procedure. The negative pressure cleaning and selecting machine can effectively clean and remove impurities such as hairs, stones, metals, silt, ropes, plastics, mulching films, animal wastes and the like doped in the materials.

As shown in fig. 3 to 5, the negative pressure classification cleaner 3 comprises a negative pressure cleaning bin a36, a negative pressure cleaning bin B37 and a vibration distributor 38; the feeding port 367 of the negative pressure clean bin A36 is connected with the outlet of the screen conveyer belt, a light sundry conveyer belt 33 is arranged below the discharging port of the negative pressure clean bin A36, a vibration distributor 38 is arranged at the discharging port 369 of the negative pressure clean bin A36, the vibration distributor 38 extends at the feeding port 367 of the negative pressure clean bin B37, a heavy sundry conveyer belt 34 is arranged at the discharging port 369 of the negative pressure clean bin B37, and a qualified product conveyer belt 35 is arranged at the discharging port of the negative pressure clean bin B37;

the conveyor belt cleaning device 71 is arranged below the light impurity conveyor belt 33, the heavy impurity conveyor belt 34 and the qualified product conveyor belt 35.

As shown in fig. 6 and 7, in this embodiment, the negative pressure cleaning bin includes a separation cylinder, a feed cylinder, and a wind channel 368; the separating cylinder and the feeding cylinder are respectively arranged transversely and longitudinally, the air duct 368 is arranged in the separating cylinder, and an air inlet 362 is arranged on the separating cylinder; the circumferential upper side of the separating cylinder is communicated with the upper end of the feeding cylinder, and the circumferential lower side of the separating cylinder is provided with a discharge opening communicated with the inside of the separating cylinder; the lower extreme of feed cylinder is feed opening 369, the upside of feed opening 369 is provided with the feed inlet 367 with feed cylinder intercommunication. The air duct 368 is parallel to the separating cylinder is arranged inside the separating cylinder, and the air duct 368 is quickly assembled and disassembled by external insertion.

The structure of the separating cylinder is specifically as follows: the separating cylinder comprises a bin body fixing plate 361, a material blocking wall 363, a guide arc plate 364, an arc rear wall 365 and a discharging wall 366; the upper end of the guide arc plate 364 is connected with the upper end of the arc-shaped rear wall 365, the lower end of the arc-shaped rear wall 365 is connected with a first discharging wall 366 extending vertically downwards, a second discharging wall 366 parallel to the first discharging wall 366 is arranged beside the first discharging wall 366 at intervals, the upper end of the second discharging wall 366 is connected with the lower end of a blocking wall 363, the upper end of the blocking wall 363 extends towards the direction close to the lower end of the guide arc plate 364, the upper end of the blocking wall 363 and the lower end of the guide arc plate 364 enclose a connecting port, and the connecting port is correspondingly communicated with the upper end of the feeding cylinder; the first discharge wall 366 and the second discharge wall 366 enclose a discharge opening. The two ends of the cylindrical structure surrounded by the material blocking wall 363, the guide arc plate 364, the arc back wall 365 and the discharging wall 366 are respectively covered with a bin body fixing plate 361 correspondingly to form a separating cylinder. And all parts of the separating cylinder are welded and connected, so that the stability of connection is ensured. The bin body fixing plate 361 is used for being connected and fixed with other components to realize the installation of the negative pressure clean bin.

The working principle of the single negative pressure clean bin is that materials are fed from a feed inlet 367, air flows into the separating bin through an air inlet 362 to move together with the materials, dust and impurities, the dust and the materials are light in weight, the impurities are large in weight along with the air flows entering the separating bin through a feed cylinder, and the impurities are directly discharged through a feed opening 369 at the lower end of the feed cylinder. The dust and impurities change the linear motion into circular motion through the guide arc plate 364, rotate to the material blocking wall 363 through the arc-shaped rear wall 365, and slide downwards to be sent out of the separating barrel after the material blocking wall 363 blocks the material to impact the material blocking wall 363, and the dust is sucked away along with the airflow through the air duct 368 to be discharged out of the negative-pressure clean-sorting bin.

The negative pressure classifying and cleaning machine 3 further comprises a cyclone separator 32, and the air duct 368 of the negative pressure cleaning and cleaning bin A36 and the air duct 368 of the negative pressure cleaning and cleaning bin B37 are connected with the cyclone separator 32 through a dust removal pipeline 40. The scraps cleaned by the cyclone separator 32 and the negative pressure cleaning bin B37 enter the cyclone separator 32 through the air duct 368 and the dust removing pipeline 40, the cyclone separator 32 carries out secondary separation on the scraps, large scraps are left in a waste barrel below the cyclone separator 32, and small scraps enter the dust remover 311 through the dust removing pipeline 40.

The negative pressure classifying cleaner 3 further comprises a dust remover 31, and the cyclone separator 32 is connected with the dust remover 31 through a dust removing pipeline 40. The filter inside the dust catcher 31 filters the small debris so that the small debris is collected in the dust collection bin inside the dust catcher 31.

In this embodiment, a cleaning opening is provided on the negative pressure cleaning bin, and a cleaning window 39 is correspondingly covered on the cleaning opening, the cleaning window 39 is rotationally connected to the negative pressure cleaning bin, and the cleaning window 39 is far away from or near the cleaning opening to open or close the cleaning opening. The cleaning window 39 is connected with the separating cylinder through a rotating component, and the rotation of the cleaning window 39 can be realized by driving the rotating component, so that the cleaning window 39 is opened or closed. When the interior of the negative pressure clean bin is required to be cleaned, the cleaning window 39 is opened, the air duct 368 is firstly removed from the negative pressure clean bin, and then the interior of the negative pressure clean bin is cleaned.

In order to control the feed amount and the feed thickness of the negative pressure classification separator 3, a material control mechanism may be disposed at the feed openings 367 of the negative pressure separation bin a36 and the negative pressure separation bin B37, respectively. In order to facilitate smooth discharge of the materials in the negative pressure clean bin A36 and the negative pressure clean bin B37, a rotary discharging mechanism can be arranged at the discharging openings of the negative pressure clean bin A36 and the negative pressure clean bin B37 respectively, so that the materials in the bins are smoothly discharged.

In this embodiment, the working principle of the negative pressure classification and cleaning machine 3 is as follows: the materials enter a negative pressure clean bin A36 for separation under the action of negative pressure, dust and light sundries are separated under the condition that the suspension speed between the dust and the light sundries is different from the centrifugal force generated at high speed, the light sundries are discharged to the outside of the negative pressure clean bin A36 through rotation, and are conveyed into a collector outside the equipment by a light sundry conveying belt 33; the dust is secondarily separated from the dust removing pipeline 40 through the cyclone separator 32 by the air duct 368, the dust of secondary separated particles is left in the waste barrel below the cyclone separator 32, the small particle dust enters the dust remover 31 through the dust removing pipeline 40, and the small particle dust is left in the dust collecting box inside the dust remover 31 through the filter inside the dust remover 31. The materials discharged from the discharging opening 369 of the negative pressure clean bin A36 fall into a vibration distributing device 38, the materials are uniformly fed into a negative pressure clean bin B37 by the vibration distributing device 38, the materials enter the negative pressure clean bin B37 under the action of negative pressure, heavy sundries fall into a heavy sundry conveying belt 34 through the discharging opening 369 of the negative pressure clean bin B37 and are conveyed into a collecting box outside the equipment through the heavy sundry conveying belt 34; the rest materials enter the negative pressure clean bin B37, and the separated qualified materials are discharged onto a qualified material conveyor belt 35 and then a next station; the dust is separated from unqualified materials secondarily through the cyclone separator 32 by the air duct 368 and the dust removing pipeline 40, large dust is left in the waste barrel below the cyclone separator 32, small dust enters the dust remover 31 through the dust removing pipeline 40, and small dust is left in the dust collecting box inside the dust remover 31 through the filter inside the dust remover 31.

The negative pressure grading cleaner 3 adopts a cyclone separator 32, a dust remover 31 and other multi-channel dust removing devices to utilize and purify the waste gas generated during production, so that the treated waste gas reaches the emission standard.

4. Material conveyor 4

The material conveyor 4 is connected with the negative pressure grading and cleaning machine 3 and is used for conveying qualified materials screened by the negative pressure grading and cleaning machine 3 to the distributing machine 5. Specifically, the inlet of the material conveyor 4 is connected to the outlet of the reject conveyor 35, and the outlet of the material conveyor 4 is connected to the inlet of the spreader 5.

5. Cloth machine 5

The spreader 5 is used for spreading and screening the materials sent by the material conveyor 4 and conveying the materials to the electrostatic separator 6.

6. Electrostatic classifier 6

The electrostatic classifier 6 performs secondary removal of impurities left in the material. The electrostatic classifier 6 can remove and check the impurities which are difficult to remove in the materials, the impurities left in the front-end working procedure and the hairs, mulch films, scraps and dust which fall off in the advancing process, so that the quality of the products is guaranteed.

As shown in fig. 8 and 9, the electrostatic classifier 6 includes a vibrating screen mechanism 61, a lifting mechanism 62, a down-blowing mechanism 63, an electrostatic adsorbing mechanism 64, and a impurity removing mechanism 65; the inlet of the vibrating screen mechanism 61 is connected with the outlet of the distributing machine, and the outlet of the vibrating screen mechanism 61 is connected with the inlet of the light inspection machine; a lower blowing mechanism 63 is arranged below the vibrating screen mechanism 61, the electrostatic adsorption mechanism 64 is mounted on the lifting mechanism 62, an inlet of the electrostatic adsorption mechanism 64 extends above the vibrating screen mechanism 61, and an outlet of the electrostatic adsorption mechanism 64 is connected with the impurity removing mechanism 65 through a pipeline.

The electrostatic classifier 6 further includes a mounting frame 66, and the vibrating screen mechanism 61 is mounted on the mounting frame 66 via a vibrating support mechanism for supporting the vibrating screen mechanism 61. The down-blowing mechanism 63 is mounted on the mounting frame 66 while being located below the vibrating screen mechanism 61. The lifting mechanism 62 is also provided on the mounting frame 66, the electrostatic adsorbing mechanism 64 is mounted on the lifting mechanism 62, and the vertical position of the electrostatic adsorbing mechanism 64 is changed by the lifting mechanism 62. The inside of shale shaker mechanism 61 is installed filter screen through screen cloth fixing device, and filter screen cloth is detachable structure, can adjust according to the material size, and shale shaker mechanism 61 passes through straining device and is connected with screen cloth fixing device, is provided with clean observation window on the dust cover of electrostatic absorption mechanism 64.

The working principle of the electrostatic separator 6 is as follows: before production, the distance between the electrostatic adsorption mechanism 64 and the vibrating screen mechanism 61 is adjusted through the lifting mechanism 62 according to the single weight of the materials, the adsorption force of the electrostatic adsorption mechanism 64 is adjusted according to the single size of the materials, and the air supply quantity of the lower air blowing mechanism 63 and the air suction quantity of the impurity removing mechanism 65 are adjusted; the materials enter the vibrating screen mechanism 61 from the rear of the vibrating screen mechanism 61 to be evenly paved, meanwhile, the materials move forwards at a uniform speed, soil and scraps are filtered, screened and discharged through a filter screen in the vibrating screen mechanism 61 in the forward movement process, and meanwhile, sundries such as animal feathers, human hair and light materials in the materials are in a suspension state under the action of a lower blowing mechanism 63, adsorbed and rotated to the lower part of the impurity removing mechanism 65 by an electrostatic adsorption mechanism 64, taken away by the impurity removing mechanism 65 and collected; the sorted material is then sent to the next station by the vibrating screen mechanism 61.

The electrostatic separator 6 replaces a wind power circulation system through the lower blowing mechanism 63 and the impurity removing mechanism 65, and the blowing quantity and the air suction quantity are adjusted according to different materials, so that the situations that the materials are sucked away or impurities cannot be blown are avoided. The cleaning observation window is convenient for observing the cleanliness of the inside of the electrostatic adsorption mechanism 64, and material residues are avoided.

7. Lamp inspection machine 7

The light inspection machine 7 is used for manually inspecting materials and removing deteriorated materials in the materials. Under the irradiation of the illuminating lamp in the lamp inspection machine 7, operators can effectively identify the deteriorated materials in the materials and sundries which cannot be removed by the equipment.

The lamp inspection machine 7 comprises a lamp inspection conveyor belt and an illuminating lamp arranged above the lamp inspection conveyor belt; the inlet of the light detection conveyor belt is connected with the outlet of the vibrating screen mechanism of the electrostatic separator 6, and the outlet of the light detection conveyor belt is connected with the inlet of the metal detector 8; a conveyor belt cleaning device 71 is arranged below the light inspection conveyor belt.

The lamp inspection machine 7 is provided with a plurality of operators, the illumination lamps irradiate materials, the operators pick out the metamorphic materials on the lamp inspection conveyor belt under the illumination of the illumination lamps and collect the metamorphic materials in the waste storage box 71, and the metamorphic materials enter the next station along with the lamp inspection conveyor belt.

8. Metal detector 8

The metal detector 8 is the last station of the system for rejecting metal objects embedded and doped in the material.

The metal detector 8 comprises a detection alarm lamp 81, a metal removing device 82 and a material conveying belt, wherein the detection alarm lamp 81 is connected with the metal removing device 82; the inlet of the material conveyer belt is connected with the outlet of the light detection conveyer belt, and a conveyer belt cleaning device 71 is arranged below the material conveyer belt.

The metal removing device 82 can detect metal objects mixed in the materials on the material conveying belt, remove the metal objects, and each time the metal objects are removed, the detection alarm lamp 81 can flash to alarm and record in the control box 9.

9. Control box 9

The system further comprises a control box 9, said control box 9 comprising an alarm device 91; the ladle overturning feeder 1, the negative pressure scattering screen 2, the negative pressure grading cleaning and selecting machine 3, the material conveyor 4, the distributing machine 5, the electrostatic separator 6, the light inspection machine 7 and the metal detection machine 8 are all connected with the control box 9. The control box 9 is used for controlling the device of the corresponding station to work normally. The alarm device 91 in the control box 9 can detect whether the equipment of the relevant station works normally, if abnormal, the alarm device can give out alarm to inform relevant personnel of timely maintenance, and therefore the system can operate efficiently and normally.

In this embodiment, the working principle of the negative pressure grading and cleaning system is as follows:

After the material is opened, the material is placed on an electric turning plate 14, the electric turning plate 14 is driven to rotate by an air cylinder, the material is conveyed into a storage bin 11, the package is separated, the feeding amount is controlled by a material control valve 13, the material is uniformly conveyed to a negative pressure scattering sieve 2 by a feeder 12, and meanwhile, iron impurities in the material are removed by an iron remover 10; the scattering device of the negative pressure scattering screen 2 breaks up the materials and sundries which are wound together, and simultaneously the materials move forwards, and the screen conveyer belt screens the sundries and the scraps which are smaller than the screen holes in the moving process; the oversize products continue to move forward, light sundries are separated through the negative pressure cleaning bin A36, and a part of the light sundries are conveyed out of the system through the light sundries conveying belt 33 and are collected; a part of the dust is separated from the particles by the cyclone separator 32, the particles fall into a collecting barrel below the cyclone separator 32, and the dust falls into a collecting box of the dust remover 31; the materials are conveyed to a negative pressure clean bin B37 by a feeder 12, heavy impurities in the materials are separated by the negative pressure clean bin B37, and the heavy impurities are conveyed to the outside of the system by a heavy impurities conveying belt 34 and collected; the scraps and dust in the qualified materials are removed by the cyclone separator 32, the cyclone separator 32 separates the scraps from the dust, the scraps fall into a collecting barrel below the cyclone separator 32, and the dust falls into a collecting box of the dust remover 31. The qualified materials are conveyed to the material conveyor 4 by the qualified material conveyor belt 35, the material conveyor 4 conveys the materials to the material distributor 5, the material distributor 5 uniformly spreads the materials and conveys the materials to the electrostatic separator 6 forwards, after sundries such as residual hair and the like in the materials of the electrostatic separator 6 are removed, the metamorphic materials in the materials are picked up manually at the position of the light inspection machine 7 and are collected in the waste storage box 71, after the materials enter the metal inspection machine 8 manually, the detected metal materials are removed by the metal removing device 82, and each time the removal inspection alarm lamp 81 gives an alarm and records in the control box 9.

By adopting the technical scheme disclosed by the utility model, the following beneficial effects are obtained:

The utility model provides a negative pressure grading clean system which adopts automatic control, has simple operation, compact structure, small occupied area and small occupied space and fully utilizes the space; the labor intensity is reduced, the number of people is reduced, the production environment is effectively controlled, the production efficiency and the product quality are greatly improved, and meanwhile, the production cost is reduced. The airtight connection structure design is adopted among all parts of the system, so that the risk of scattering materials is avoided, and the cleanliness of a workshop is ensured. Iron removers are arranged at a plurality of positions of the system to remove iron metal, so that the iron metal is avoided, and meanwhile, a metal detector is also arranged to detect metal in multiple directions, so that the removal effect of metal substances in the material is ensured. The ladle overturning feeder has the advantages of overcoming the defects of manual transportation, large dust, poor working environment and the like, and effectively removing iron substances doped in materials. The negative pressure scattering screen is connected with the negative pressure grading cleaning and sorting machine by a sealing machine, so that negative pressure is formed in the negative pressure scattering screen by utilizing the negative pressure in the negative pressure grading cleaning and sorting machine, pollution to the production environment caused by dust leakage is prevented, and iron substances doped in materials are effectively removed. The negative pressure grading cleaner adopts multiple dust removing processes such as cyclone separators, dust collectors and the like, so that dust flying is avoided, the produced waste gas is purified, and environmental pollution is avoided. And an electrostatic separator is added into the system, and impurities left in materials are removed for the second time by using the electrostatic separator, so that the impurities left in the front-end working procedure and the fallen hairs, mulch films, scraps and dust in the advancing process of the materials are removed and checked, and the quality of products is ensured.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which is also intended to be covered by the present utility model.

Claims (10)

1. The utility model provides a negative pressure grading clean system which characterized in that: comprises a ladle overturning feeder, a negative pressure scattering sieve, a negative pressure grading cleaner, a material conveyor, a distributor, an electrostatic separator, a lamp inspection machine and a metal detection machine which are sequentially arranged in sequence; the inlet of the negative pressure scattering screen is connected with the outlet of the ladle overturning feeder, and the ladle overturning feeder is provided with a dust hood connected with the ladle overturning feeder; the feeding port of the negative pressure grading and cleaning machine is connected with the outlet of the negative pressure scattering sieve, and the negative pressure scattering sieve is provided with a sieve cover connected with the negative pressure grading and cleaning machine; the inlet of the material conveyor is connected with the outlet of the qualified product conveying belt of the negative pressure grading and cleaning machine; the inlet of the material distributor is connected with the outlet of the material conveyor; the inlet of the electrostatic separator is connected with the outlet of the distributor; the inlet of the light inspection machine is connected with the outlet of the electrostatic separator; the inlet of the metal detector is connected with the outlet of the lamp detector.

2. The negative pressure fractionation cleaning system of claim 1, wherein: the ladle overturning feeder comprises an electric overturning plate, a storage bin, a feeder and a control valve; the electric turning plate rotates to convey materials into the storage bin through an inlet of the storage bin, a control valve is arranged at an outlet of the storage bin, the outlet of the storage bin is connected with an inlet of a feeder, and the outlet of the feeder is connected with an inlet of the negative pressure scattering screen; the dust hood is correspondingly covered at the inlet of the storage bin;

and an iron remover is arranged at the joint of the feeder and the negative pressure scattering screen.

3. The negative pressure fractionation cleaning system of claim 1, wherein: the negative pressure scattering screen comprises a scattering device, a screen conveyer belt and a sundry collecting box, wherein the scattering device is arranged above the screen conveyer belt, and the sundry collecting box is arranged below the screen conveyer belt; and an iron remover is arranged at the joint of the screen conveyer belt and the negative pressure grading cleaner.

4. A negative pressure fractionation cleaning system as claimed in claim 3, wherein: the negative pressure grading clean separator comprises a negative pressure clean separation bin A, a negative pressure clean separation bin B and a vibration distributing device; the feeding port of the negative pressure clean bin A is connected with the outlet of the screen conveyer belt, a light sundry conveyer belt is arranged below the discharging port of the negative pressure clean bin A, a vibration distributing device is arranged at the discharging port of the negative pressure clean bin A and extends at the feeding port of the negative pressure clean bin B, a heavy sundry conveyer belt is arranged at the discharging port of the negative pressure clean bin B, and a qualified object conveyer belt is arranged at the discharging port of the negative pressure clean bin B;

The outlet of the negative pressure scattering sieve is connected with the feed inlet of the negative pressure clean bin A, and an iron remover is arranged at the joint;

And conveyor belt cleaning devices are arranged below the light sundry conveyor belt, the heavy sundry conveyor belt and the qualified object conveyor belt.

5. The negative pressure fractionation system as claimed in claim 4, wherein: the negative pressure grading cleaning machine further comprises a cyclone separator and a dust remover, and the air duct of the negative pressure cleaning bin A and the air duct of the negative pressure cleaning bin B are connected with the cyclone separator; the cyclone separator is connected with the dust remover.

6. The negative pressure fractionation system as claimed in claim 4, wherein: the negative pressure clean bin is provided with a cleaning opening, the cleaning opening is correspondingly covered with a cleaning window, the cleaning window is rotationally connected to the negative pressure clean bin, and the cleaning window is far away from or close to the cleaning opening so as to open or close the cleaning opening.

7. The negative pressure fractionation cleaning system of claim 1, wherein: the electrostatic separator comprises a vibrating screen mechanism, a lifting mechanism, a lower blowing mechanism, an electrostatic adsorption mechanism and a impurity removing mechanism; the inlet of the vibrating screen mechanism is connected with the outlet of the distributing machine, and the outlet of the vibrating screen mechanism is connected with the inlet of the light inspection machine; the utility model discloses a vibrating screen mechanism, including vibrating screen mechanism, electrostatic adsorption mechanism, impurity removal mechanism, pipeline, vibrating screen mechanism below is provided with down blowing mechanism, electrostatic adsorption mechanism installs on the elevating system, just electrostatic adsorption mechanism's entry stretches into vibrating screen mechanism's top, electrostatic adsorption mechanism's export through the pipeline with impurity removal mechanism links to each other.

8. The negative pressure fractionation cleaning system of claim 7, wherein: the lamp inspection machine comprises a lamp inspection conveyor belt and an illuminating lamp arranged above the lamp inspection conveyor belt; the inlet of the light detection conveyor belt is connected with the outlet of the vibrating screen mechanism, and the outlet of the light detection conveyor belt is connected with the inlet of the metal detector; and a conveyor belt cleaning device is arranged below the light detection conveyor belt.

9. The negative pressure sizing system of claim 8, wherein: the metal detection machine comprises a detection alarm lamp, a metal removing device and a material conveying belt, wherein the detection alarm lamp is connected with the metal removing device; the entrance of the material conveyer belt is connected with the exit of the light inspection conveyer belt, and a conveyer belt cleaning device is arranged below the material conveyer belt.

10. The negative pressure fractionation cleaning system of claim 1, wherein: the system also comprises a control box, wherein the control box comprises an alarm device; the ladle overturning feeder, the negative pressure scattering screen, the negative pressure grading cleaning and selecting machine, the material conveyor, the distributing machine, the electrostatic sorting machine, the light inspection machine and the metal detection machine are all connected with the control box.