CN115254602B - Nut screening device and application method thereof - Google Patents
Nut screening device and application method thereof Download PDFInfo
- Publication number
- CN115254602B CN115254602B CN202210921109.3A CN202210921109A CN115254602B CN 115254602 B CN115254602 B CN 115254602B CN 202210921109 A CN202210921109 A CN 202210921109A CN 115254602 B CN115254602 B CN 115254602B
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- China
- Prior art keywords
- screening
- sound insulation
- screening plate
- rotation
- clamping block
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
Abstract
The application relates to a nut screening device and a use method thereof, belonging to the technical field of nut processing, wherein the nut screening device comprises a support and a screening plate which is arranged in a sliding manner, a sound insulation box is arranged on the support, the screening plate is arranged in the sound insulation box in a sliding manner, a feed pipe is communicated with the sound insulation box, the feed pipe is positioned above the screening plate, a discharge plate is communicated with one side of the screening plate far away from the feed pipe, the discharge plate penetrates out of the sound insulation box, an opening for the discharge plate to extend out is formed in the sound insulation box, an interference cylinder is rotatably arranged in the sound insulation box, the rotation axis of the interference cylinder is parallel to the length direction of the screening plate, the screening plate is positioned in the interference cylinder, an uneven sound absorption layer is arranged on the inner wall of the interference cylinder, a receiving hopper is arranged in the sound insulation box, the receiving hopper is positioned in the interference cylinder, and a rotation assembly for driving the interference cylinder to rotate when the screening plate vibrates up and down is arranged on the screening plate. The application has the effect of reducing the damage to the health of workers to a certain extent.
Description
Technical Field
The application relates to the technical field of nut processing, in particular to a nut screening device and a using method thereof.
Background
Nuts are the essence part of plants, are rich in nutrition, and contain high protein, grease, mineral substances and vitamins, so that the nuts are widely favored by people. The nut production process generally includes the steps of selecting, removing impurities, parching, cooling, screening, packaging, and the like, and a screening device is generally required to screen out the crushed particles or crushed shells in the nuts before bagging.
In the related art, nut sieving mechanism includes the support, and the slip is provided with the shale shaker on the support, and the slip direction of shale shaker sets up along vertical direction, is provided with the spring between shale shaker and the support, is provided with vibrating motor on the shale shaker, is provided with on the support and connects the magazine, connects the magazine to be located the shale shaker below, and the discharge gate has been seted up to the one end of shale shaker. When screening nut, carry the nut after stir-fry cooling to the shale shaker on, start vibrating motor, drive the shale shaker and take place to reciprocate, in broken shell and the nibble in the nut drops to the material receiving box through the shale shaker, qualified nut shifts out from the discharge gate and weighs the bagging-off.
In view of the above related art, the inventors found that, in the process of vibrating the vibrating screen up and down, nuts are driven to jump up and down, and the noise is large, which causes adverse effects on the health of workers.
Disclosure of Invention
In order to reduce the influence on the health of workers to a certain extent, the application provides a nut screening device and a using method thereof.
In a first aspect, the present application provides a nut screening device, which adopts the following technical scheme:
the utility model provides a nut sieving mechanism, includes the screening board that support and slip set up, the screening board is arranged in sieving out the nibble and the garrulous shell in the nut, be provided with the sound insulation box on the support, the screening board slides and sets up in the sound insulation box, the intercommunication has the inlet pipe on the sound insulation box, the inlet pipe is located screening board top, one side intercommunication that the inlet pipe was kept away from to the screening board has the flitch, the sound insulation box is worn out to the flitch, offer the opening that is used for supplying the flitch to stretch out on the sound insulation box, the rotation is provided with the interference section of thick bamboo in the sound insulation box, the axis of rotation of interference section of thick bamboo is on a parallel with the length direction of screening board, the screening board is located the interference section of thick bamboo, be provided with unsmooth sound absorbing layer on the interference section of thick bamboo inner wall, be provided with in the sound insulation box and connect the hopper, connect the hopper to be located the interference section of thick bamboo, connect the hopper to be located the screening board below, be provided with on the screening board and be used for making the screening board drive when vibrating from top to bottom and interfere a pivoted rotating assembly.
Through adopting above-mentioned technical scheme, nut drops to the screening plate from the inlet pipe, during the screening plate vibration, in the broken grain or the broken shell in the nut drops to the below and connects the hopper, makes the screening plate drive through rotating the subassembly simultaneously and disturbs a section of thick bamboo and rotate, disturbs a section of thick bamboo and rotates the reflection position that constantly changes the sound wave on disturbing a section of thick bamboo inner wall, makes the noise that screening plate and nut vibration produced absorb through the multiple reflection of sound-absorbing layer to separate and weaken the noise, noise in can reducing operational environment, in order to reduce the harm to workman's health.
Preferably, the rotating assembly comprises a first clamping block, a mounting block, a second clamping block, an elastic pushing piece and a first transmission piece, wherein the first clamping block is arranged along the circumferential interval of the interference cylinder, the mounting block is slid in the sound insulation box, the second clamping block is slidably arranged on the mounting block, the elastic pushing piece is arranged on the mounting block, the first transmission piece is arranged on the screening plate, the sliding direction of the mounting block is parallel to the moving direction of the screening plate, the sliding direction of the second clamping block is perpendicular to the sliding direction of the mounting block, the second clamping block is used for being abutted with the first clamping block, the top wall of the second clamping block, which is close to one side of the first clamping block, is arranged to be an arc surface, the arc surface is inclined downwards towards the direction away from the mounting block, the elastic pushing piece is used for pushing the second clamping block to slide towards the direction close to the first clamping block, and the first transmission piece is used for driving the mounting block to move when the screening plate vibrates up and down.
Through adopting above-mentioned technical scheme, when the screening board vibrates, drive the installation piece through first driving medium and remove, when the installation piece upwards moved, make cambered surface and the first fixture block relative slip of second fixture block, first fixture block and second fixture block butt, make the second fixture block move towards the direction that is close to the screening board, until the second fixture block moves up to break away from with first fixture block, the elastic pushing piece promotes the second fixture block and slides towards the direction that is close to first fixture block this moment, make the second fixture block lie in between two first fixture blocks and with first fixture block butt, when the screening board drove the installation piece to move down, the second fixture block promotes first fixture block and moves down, thereby drive the interference section of thick bamboo and rotate certain angle, with this reciprocal, drive the in-process of installation piece reciprocating motion at the screening board, make the interference section of thick bamboo rotate towards same direction, and then can constantly change the reflection position of sound wave, make the noise weaken after the absorption through multiple reflection, reduce the noise in the operational environment, with the health of guarantee workman.
Preferably, the elastic pushing piece comprises a first spring for pushing the second clamping block to slide towards the direction close to the first clamping block, the extending direction of the first spring is parallel to the sliding direction of the second clamping block, one end of the first spring is arranged in the mounting block, and the other end of the first spring is arranged on the second clamping block.
Through adopting above-mentioned technical scheme, promote the second fixture block through first spring and slide towards the direction that is close to first fixture block, make the second fixture block be located between the adjacent first fixture block to with first fixture block butt, when being convenient for the installation piece to drive the second fixture block and reciprocate, the second fixture block promotes first fixture block and removes and make the interference section of thick bamboo take place to rotate, is favorable to constantly changing the reflection position of sound wave on the interference section of thick bamboo inner wall, makes the sound wave pass through multiple reflection absorption, and then helps reducing the harm to workman's health.
Preferably, the first driving medium includes installation pole, transfer line and connecting rod, the installation pole articulates on the screening board, the transfer line rotates and sets up in the sound insulation box, the axis of rotation of transfer line is on a parallel with the axis of rotation of interference section of thick bamboo, the installation pole is kept away from the one end of screening board and the transfer line is articulated, the connecting rod slides and sets up the one end of keeping away from the installation pole at the transfer line, the slip direction of connecting rod is on a parallel with the length direction of transfer line, the connecting rod is kept away from the one end and the installation piece of transfer line and is articulated, the distance that the transfer line is close to one end of installation pole to the rotation point is less than the distance that the transfer line is close to connecting rod one end to the rotation point.
Through adopting above-mentioned technical scheme, when the screening board reciprocates, drive the transfer line through the installation pole and take place to rotate to make the connecting rod drive the installation piece and slide from top to bottom, because the distance that the transfer line is close to the one end of installation pole to the rotation point is less than the distance that the transfer line is close to connecting rod one end to the rotation point, make the slip distance of installation piece be greater than the slip distance of screening board, drive first fixture block for the second fixture block and remove and make the interference section of thick bamboo take place to rotate conveniently, help reducing the noise in the operational environment.
Preferably, be provided with the exhaust hood in the sound insulation box, the exhaust hood rotation is provided with the exhaust fan, the exhaust hood is close to the one side intercommunication that the exhaust fan induced drafted the end and has the aspiration channel, the aspiration channel extends to in the interference section of thick bamboo, the exhaust hood is close to the one side intercommunication that the exhaust fan was exhausted the end and has the exhaust pipe, be provided with the subsidence case on the support, the exhaust pipe passes sound insulation box and subsidence case intercommunication, be provided with in the sound insulation case and be used for making the interference section of thick bamboo drive exhaust fan pivoted second driving medium when rotating.
Through adopting above-mentioned technical scheme, when the interference section of thick bamboo rotates, drive the exhaust fan through the second driving medium and rotate, inhale the raise dust that nut vibration produced to subside the incasement through the aspiration channel to help reducing the dust volume in the operational environment, further reduce the harm to workman's health.
Preferably, the axis of rotation of air extraction fan is on a parallel with the axis of rotation that disturbs the section of thick bamboo, the second driving medium includes ring gear, band pulley and belt, the ring gear sets up and is being close to one side of discharge plate at disturbs the section of thick bamboo, the rotation of sound insulation incasement is provided with first bull stick, the axis of rotation of first bull stick is on a parallel with the axis of rotation that disturbs the section of thick bamboo, the gear cover is established on first bull stick, gear and ring gear meshing, be provided with the second bull stick on the air extraction fan, the second bull stick rotates on sound insulation incasement wall, the band pulley overlaps respectively and establishes on first bull stick and second bull stick, the belt winds and establishes on two band pulleys.
Through adopting above-mentioned technical scheme, when the interference section of thick bamboo rotates, the ring gear drives the gear and rotates, makes the second bull stick rotate through the transmission of band pulley and belt to realize the rotation of air exhauster, in order to inhale the raise dust that nut vibration produced to subside the incasement through the aspiration channel, make the raise dust be difficult for drifting to the air, reduce the influence to the workman is healthy, and is with low costs simultaneously, simple structure.
Preferably, the air suction pipe is communicated with a plurality of branch pipes, the plurality of branch pipes are arranged along the length direction of the screening plate, and the branch pipes are positioned above the screening plate.
Through adopting above-mentioned technical scheme, the setting of branch pipe helps improving the dust collection effect, reduces the raise dust and wafts to work environment in, ensures workman's health.
Preferably, the interference cylinder is sleeved with a ratchet wheel, a pawl is rotatably arranged in the sound insulation box and meshed with the ratchet wheel, a supporting elastic sheet for resetting the pawl is arranged on the sound insulation box, and one end, far away from the sound insulation box, of the supporting elastic sheet is arranged on the pawl.
Through adopting above-mentioned technical scheme, through the cooperation of ratchet and pawl, realize that the interference section of thick bamboo can only rotate towards a direction, makes the second fixture block upwards move, and when the cambered surface of second fixture block and first fixture block take place to slide relatively, be difficult for promoting first fixture block and make the condition that the interference section of thick bamboo appears reversing.
In a second aspect, the present application provides a method for using a nut screening device, which adopts the following technical scheme:
the application method of the nut screening device comprises the following steps:
step 1: conveying nuts to be screened onto the screening plate from the feeding pipe, starting the vibrating motor, and driving the screening plate to vibrate up and down;
step 2: the broken shells and particles in the nuts fall into the receiving hopper through the screening plate to be collected, and the qualified nuts are moved out of the sound insulation box from one side of the discharging plate in the vibration process;
step 3: when the screening plate vibrates, the interference cylinder is driven to rotate through the rotating assembly, and the reflecting position of sound waves on the inner wall of the interference cylinder (7) is continuously changed in the rotation process of the interference cylinder, so that noise generated by vibration of the screening plate and nuts is reflected and absorbed on the sound absorbing layer for multiple times.
In summary, the present application includes at least one of the following beneficial technical effects:
when the screening plate vibrates, the first transmission piece drives the installation block to move, when the installation block moves upwards, the cambered surface of the second clamping block and the first clamping block relatively slide, the first clamping block is abutted with the second clamping block, the second clamping block moves towards the direction close to the screening plate until the second clamping block moves upwards to be separated from the first clamping block, at the moment, the elastic pushing piece pushes the second clamping block to slide towards the direction close to the first clamping block, the second clamping block is positioned between the two first clamping blocks and abutted with the first clamping block, when the screening plate drives the installation block to move downwards, the second clamping block pushes the first clamping block to move downwards, so that the interference cylinder is driven to rotate by a certain angle, the interference cylinder is reciprocated to rotate towards the same direction, the reflecting position of sound waves on the inner wall of the interference cylinder can be continuously changed, noise is weakened after being absorbed by multiple reflections, noise in a working environment is reduced, and the health of workers is ensured;
when the interference cylinder rotates, the second transmission piece drives the exhaust fan to rotate, and the dust generated by nut vibration is sucked into the sedimentation box through the air suction pipe, so that the dust amount in the working environment is reduced, and the damage to the health of workers is further reduced.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Fig. 2 is a partial structural cross-sectional view of an embodiment of the present application.
Fig. 3 is a partial structural cross-sectional view from another perspective of an embodiment of the present application.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged view of a portion B in fig. 3.
Fig. 6 is a partial structural cross-sectional view of an embodiment of the present application, mainly for illustrating the second transmission member.
Reference numerals illustrate: 1. a bracket; 2. a screening plate; 3. a sound insulation box; 4. a feed pipe; 5. a discharge plate; 6. an opening; 7. an interference cylinder; 8. a sound absorbing layer; 9. a receiving hopper; 10. a rotating assembly; 101. a first clamping block; 102. a mounting block; 103. a second clamping block; 104. an elastic pushing member; 1041. a first spring; 105. a first transmission member; 1051. a mounting rod; 1052. a transmission rod; 1053. a connecting rod; 11. an exhaust hood; 12. an exhaust fan; 13. an air suction pipe; 14. an exhaust pipe; 15. a sedimentation tank; 16. a second transmission member; 161. a gear ring; 162. a gear; 163. a belt wheel; 164. a belt; 17. a first rotating lever; 18. a second rotating rod; 19. a branch pipe; 20. a ratchet wheel; 21. a pawl; 22. supporting the elastic sheet; 23. a sieve pore; 24. a telescopic rod; 25. a second spring; 26. a vibration motor; 27. observing the overhaul port; 28. observing the access door; 29. a support rod; 30. a spherical block; 31. a chute; 32. a support rod; 33. a discharge pipe; 34. a loop bar; 35. a guide rod; 36. a mounting groove; 37. and a fixing rod.
Detailed Description
The application is described in further detail below with reference to fig. 1-6.
The embodiment of the application discloses a nut screening device. Referring to fig. 1 and 2, the nut screening device comprises a bracket 1 and a screening plate 2 which is arranged in a sliding manner, wherein the screening plate 2 is used for screening out crushed particles and crushed shells in nuts, a plurality of screen holes 23 (refer to fig. 6) are formed in the screening plate 2, the longitudinal section of the screening plate 2 is U-shaped, the sliding direction of the screening plate 2 is arranged along the vertical direction, a sound insulation box 3 is fixedly connected to the bracket 1, the screening plate 2 slides in the sound insulation box 3, four telescopic rods 24 are fixedly connected to the bottom wall of the screening plate 2, the four telescopic rods 24 are positioned at four corners of the screening plate 2, the extending direction of the telescopic rods 24 is arranged along the vertical direction, one end of each telescopic rod 24 far away from the screening plate 2 is fixed on the bottom wall of the sound insulation box 3, a second spring 25 is movably sleeved on the telescopic rods 24, one end of each second spring 25 is fixed on the bottom wall of the screening plate 2, and the other end of each second spring 25 is fixed on the bottom wall of the sound insulation box 3; feed pipe 4 is communicated on the sound insulation box 3, feed pipe 4 is located screening plate 2 top, screening plate 2 is towards keeping away from the direction downward sloping 5 of feed pipe 4, fixed mounting has vibrating motor 26 on the outer wall that screening plate 2 was close to feeding pipe 4 one side, one side intercommunication that screening plate 2 kept away from feeding pipe 4 has flitch 5, baffle 3 is worn out to baffle 3, one side that baffle 3 kept away from feeding pipe 4 has been seted up and has been used for supplying the opening 6 that flitch 5 stretched out, one side downward sloping of screening plate 2 is kept away from to baffle 5, observation access hole 27 has been seted up on the baffle 3, rotate on the baffle 3 and be provided with the transparent observation access door 28 that is used for opening and close observation access hole 27, so that the workman observes the screening condition.
Referring to fig. 1 and 2, the sound insulation box 3 is rotatably provided with a disturbing cylinder 7, the rotation axis of the disturbing cylinder 7 is parallel to the length direction of the screening plate 2, the screening plate 2 is located in the disturbing cylinder 7 and penetrates through two ends of the disturbing cylinder 7, supporting rods 29 are fixed on the top wall and the bottom wall of the sound insulation box 3, one end, close to the disturbing cylinder 7, of each supporting rod 29 is fixedly provided with a spherical block 30, a sliding groove 31 in sliding fit with the spherical block 30 is formed in the disturbing cylinder 7, the sliding groove 31 is formed in the circumference of the disturbing cylinder 7, an uneven sound absorption layer 8 is adhered in the disturbing cylinder 7, in this embodiment, the sound absorption layer 8 is sound absorption cotton, a supporting rod 32 is fixed on the bottom wall of the sound insulation box 3, a receiving hopper 9 is fixed on the supporting rod 32, the receiving hopper 9 is located in the disturbing cylinder 7, the receiving hopper 9 is located below the screening plate 2, the length of the receiving hopper 9 is larger than the length of the disturbing cylinder 7, a discharging pipe 33 is communicated with the receiving hopper 9, the discharging pipe 33 extends out of the sound insulation box 3, and a rotating assembly 10 for driving the disturbing cylinder 7 to rotate when the screening plate 2 vibrates.
When nuts are screened, the nuts are conveyed onto the screening plate 2 through the feeding pipe 4, the vibrating motor 26 is started to enable the screening plate 2 to move up and down, in the vibrating process of the nuts on the screening plate 2, crushed grains and crushed shells fall into the receiving hopper 9 through the sieve holes 23 and are discharged from the discharging pipe 33 to be collected, and qualified nuts slide out of the sound insulation box 3 through the discharging plate 5 to enter the next process; when the screening plate 2 vibrates, the rotating assembly 10 drives the interference cylinder 7 to rotate, so that the reflection position of sound waves of noise on the inner wall of the interference cylinder 7 is continuously changed, the noise generated in the vibration process of the screening plate 2 and nuts is absorbed after being reflected on the sound absorption layer 8 for multiple times, the noise in the working environment is effectively reduced, and the damage to the health of workers is further reduced; and meanwhile, vibration energy of the screening plate 2 is utilized, so that cost is saved.
Referring to fig. 3 and 4, in order to facilitate the rotation of the interference cylinder 7 when the screening plate 2 moves up and down, the rotation assembly 10 includes a first clamping block 101 disposed at intervals along the circumferential direction of the interference cylinder 7, a mounting block 102 slidably disposed in the sound insulation box 3, a second clamping block 103 slidably disposed on the mounting block 102, an elastic pushing member 104 disposed on the mounting block 102, and a first transmission member 105 disposed on the screening plate 2, the first clamping block 101 being located on an end surface of the interference cylinder 7 on a side close to the vibrating motor 26, the mounting block 102 being located on a side of the screening plate 2 remote from the inspection door 28 (refer to fig. 1), the sliding direction of the mounting block 102 being parallel to the moving direction of the screening plate 2, a loop bar 34 being fixed to a bottom wall of the sound insulation box 3, a guide bar 35 being slidably disposed in the loop bar 34, the sliding direction of the guide bar 35 being parallel to the sliding direction of the mounting block 102, one end of the guide bar 35 remote from the loop bar 34 being fixedly connected to the mounting block 102, the sliding fit of the guide bar 35 and the loop bar 34 guiding the sliding of the mounting block 102; the mounting groove 36 has been seted up to one side that the installation piece 102 kept away from screening plate 2, the second fixture block 103 slides in the mounting groove 36, the slip direction of second fixture block 103 is perpendicular to the slip direction of installation piece 102, second fixture block 103 is used for with interfering the first fixture block 101 butt on the section of thick bamboo 7 on the horizontal axis, the upper surface that installation piece 102 one side was kept away from to second fixture block 103 sets up to the cambered surface, the cambered surface is towards keeping away from the direction downward sloping of installation piece 102, the thickness of second fixture block 103 is less than the interval between the adjacent first fixture block 101, elasticity impeller 104 is used for promoting second fixture block 103 and slides towards the direction that is close to first fixture block 101, first driving medium 105 is used for driving installation piece 102 and removes when making screening plate 2 vibrate from top to bottom.
Referring to fig. 3 and 4, the elastic pushing member 104 includes a first spring 1041 for pushing the second clamping block 103 to slide toward a direction approaching the first clamping block 101, an extending direction of the first spring 1041 is parallel to a sliding direction of the second clamping block 103, one end of the first spring 1041 is fixed at a bottom wall of the mounting groove 36, and the other end is fixedly connected to a side of the second clamping block 103 approaching the mounting block 102.
Referring to fig. 3 and 4, the first transmission member 105 includes a mounting rod 1051, a transmission rod 1052 and a connecting rod 1053, the mounting rod 1051 is hinged on the outer wall of the screening plate 2 on the side close to the mounting block 102, the hinge axis of the mounting rod 1051 is parallel to the rotation axis of the interfering tube 7, a fixing rod 37 is fixedly connected to the bottom wall of the sound insulation box 3 in the vertical direction, the fixing rod 37 is located on the side of the screening plate 2 close to the mounting block 102, the transmission rod 1052 rotates on the top end of the fixing rod 37, the rotation axis of the transmission rod 1052 is parallel to the rotation axis of the interfering tube 7, the length direction of the transmission rod 1052 is perpendicular to the rotation axis of the transmission rod 1052, the mounting rod 1051 is located above the fixing rod 37, the end of the mounting rod 1051 away from the screening plate 2 and the end of the transmission rod 1052 are hinged, the connecting rod 1053 slides in the end of the transmission rod 1052 away from the mounting rod 1051, the sliding direction of the connecting rod 1053 is parallel to the length direction of the transmission rod 1052, the end of the transmission rod 1052 and the side of the mounting block 102 away from the second fixture 103 are hinged, and the distance from the end of the transmission rod 1052 close to the fixing rod 1052 to the end 37 is smaller than the fixing rod 1053. In other embodiments, the first transmission member 105 may be replaced by a cross bar, where one end of the cross bar is fixed on the mounting block 102, and the other end of the cross bar is fixed on the screening plate 2, so that the screening plate 2 can drive the mounting block 102 to slide when vibrating up and down.
When the screening plate 2 moves upwards, the driving rod 1052 is pulled to rotate through the mounting rod 1051, so that the driving rod 1052 and the connecting rod 1053 slide relatively, the connecting rod 1053 drives the mounting block 102 to slide downwards, and as the distance from one end of the driving rod 1052 close to the mounting rod 1051 to the fixed rod 37 is smaller than the distance from one end of the driving rod 1052 close to the connecting rod 1053 to the fixed rod 37, the downward moving distance of the mounting block 102 is larger than the upward moving distance of the screening plate 2, and when the mounting block 102 moves downwards, the second clamping block 103 pushes the first clamping block 101 at the lower side to move downwards, so that the interference cylinder 7 rotates to a certain extent; when the screening plate 2 moves downwards, the mounting rod 1051 pushes the transmission rod 1052 to rotate reversely, the connecting rod 1053 drives the mounting block 102 to move upwards, at this time, the cambered surface of the second clamping block 103 is abutted against the first clamping block 101 above, and slides relatively, the second clamping block 103 slides towards the direction close to the mounting groove 36, the first spring 1041 compresses until the side wall of the second clamping block 103 and the side wall of the first clamping block 101 are separated, namely, the mounting block 102 drives the second clamping block 103 to move upwards to a gap between the two first clamping blocks 101, the first spring 1041 pushes the second clamping block 103 to slide towards the direction close to the first clamping block 101, the top side of the second clamping block 103 and the first clamping block 101 is abutted against, and then the screening plate 2 moves upwards, so that the second clamping block 103 pushes the first clamping block 101 to move downwards, and the interference cylinder 7 is driven to rotate continuously in the same direction, so that the rotation of the interference cylinder 7 is realized, the reflection position of sound waves on the inner wall of the interference cylinder 7 is changed continuously, noise is weakened, and the damage to health of workers is reduced to a certain extent.
Referring to fig. 3 and 5, a ratchet 20 is sleeved on the interference cylinder 7, a pawl 21 is rotatably arranged on the bottom wall of the sound insulation box 3, the rotation axis of the pawl 21 is parallel to the rotation axis of the interference cylinder 7, the pawl 21 is positioned on the axis of the interference cylinder 7, the pawl 21 is used for being meshed with the ratchet 20, one side of the screening plate 2 close to the vibrating motor 26 is taken as a reference surface, teeth on the ratchet 20 incline clockwise, a supporting elastic sheet 22 is fixed in the sound insulation box 3, and the supporting elastic sheet 22 and one side of the pawl 21 far away from the fixed rod 37 are connected, wherein the supporting elastic sheet 22 is an elastic steel sheet. Through the cooperation of the ratchet 20 and the pawl 21, the interference cylinder 7 can only rotate towards the same direction, so that the possibility that the second clamping block 103 pushes the first clamping block 101 to reversely rotate the interference cylinder 7 when the second clamping block 103 is driven by the mounting block 102 to move upwards is reduced.
Referring to fig. 2 and 6, the suction hood 11 is fixed on the inner wall of the sound insulation box 3 near one side of the discharging plate 5 through the support plate, the suction hood 11 is rotationally provided with the suction fan 12, the rotation axis of the suction fan 12 is parallel to the rotation axis of the interference cylinder 7, one side of the suction fan 12 far away from the interference cylinder 7 is fixedly connected with the second rotating rod 18, the second rotating rod 18 rotates on the inner wall of the sound insulation box 3 near one side of the discharging plate 5, one side of the suction hood 11 near the suction end of the suction fan 12 is communicated with the suction pipe 13, the suction pipe 13 extends into the interference cylinder 7, the length direction of the suction pipe 13 is parallel to the rotation axis of the interference cylinder 7, a plurality of branch pipes 19 are communicated with the suction pipe 13, the branch pipes 19 are arranged along the length direction of the suction pipe 13, the branch pipes 19 are located above the screening plate 2 and are arranged towards the screening plate 2, one side of the suction hood 11 near the suction hood 12 is communicated with the exhaust pipe 14, the exhaust pipe 14 extends out of the sound insulation box 3, a sedimentation box 15 is fixed on the support 1 (referring to fig. 1), one end of the exhaust pipe 14 is located outside the sound insulation box 3, one end of the sedimentation box 15 is communicated with the sedimentation box 15, and the sedimentation box 15 is communicated with the sedimentation box 3 through the sedimentation box 15, and the sedimentation box is used for driving the rotation of the first box is connected with the suction box 3 through the rotation box 16, and the sedimentation box is arranged in the rotation box is used for driving the rotation box 3, and the rotation box is driven by the driving the sedimentation box.
Referring to fig. 6, a first rotating rod 17 is rotatably arranged on the inner wall of the sound insulation box 3 on one side close to the discharging plate 5, the rotating axis of the first rotating rod 17 is parallel to the rotating axis of the interference cylinder 7, the first rotating rod 17 is located above the second rotating rod 18, the second transmission part 16 comprises a gear ring 161, a gear 162, a belt wheel 163 and a belt 164, the gear ring 161 is fixedly connected to the end face of the interference cylinder 7 on one side close to the discharging plate 5, the gear 162 is fixedly sleeved on the first rotating rod 17, the gear 162 is meshed with the gear ring 161, the gear 162 is located in the gear ring 161, the belt wheel 163 is fixedly sleeved on the first rotating rod 17 and the second rotating rod 18 respectively, the belt 164 is wound on the two belt wheels 163, and the diameter of the belt wheel 163 located on the first rotating rod 17 is larger than that of the belt wheel 163 located on the second rotating rod 18, so that the rotating speed of the second rotating rod 18 can be improved.
When the interference cylinder 7 rotates, the gear ring 161 drives the gear 162 to rotate, so that the first rotating rod 17 rotates, the second rotating rod 18 drives the exhaust fan 12 to rotate through the transmission of the belt pulley 163 and the belt 164, the exhaust fan 12 sucks dust generated by nut vibration into the exhaust pipe 14 through the branch pipe 19, and then the dust is conveyed into the sedimentation tank 15 for sedimentation, so that the possibility that the dust drifts into the working environment is reduced, the health of workers is effectively ensured, and the cost is low.
The implementation principle of the embodiment of the application is as follows: when nuts are screened, the nuts are conveyed onto the screening plate 2 through the feeding pipe 4, the vibrating motor 26 is started to enable the screening plate 2 to move up and down, in the vibrating process of the nuts on the screening plate 2, crushed grains and crushed shells fall into the receiving hopper 9 through the sieve holes 23 and are discharged from the discharging pipe 33 to be collected, and qualified nuts slide out of the sound insulation box 3 through the discharging plate 5 to be subjected to the next process; when the screening plate 2 moves upwards, the transmission rod 1052 is pulled to rotate through the mounting rod 1051, so that the connecting rod 1053 drives the mounting block 102 to slide downwards, at the moment, the second clamping block 103 pushes the first clamping block 101 to move downwards, so that the interference cylinder 7 rotates to a certain extent, the interference cylinder 7 drives the ratchet 20 to rotate, the ratchet 20 pushes the pawl 21 to rotate in a direction away from the fixing rod 37, the supporting elastic piece 22 is pressed, and the supporting elastic piece 22 pushes the pawl 21 to rotate in a direction close to the fixing rod 37, so that the pawl 21 is meshed with the ratchet 20 continuously; when the screening plate 2 moves downwards, the mounting rod 1051 pushes the transmission rod 1052 to rotate reversely, the connecting rod 1053 drives the mounting block 102 to move upwards, at this time, the cambered surface on the second clamping block 103 is abutted against the first clamping block 101 above and slides relatively, at this time, the pawl 21 limits the reverse rotation of the ratchet 20, the first clamping block 101 enables the second clamping block 103 to slide towards the direction close to the mounting groove 36, the first spring 1041 compresses until the second clamping block 103 is separated from the abutted first clamping block 101, the first spring 1041 pushes the second clamping block 103 to slide towards the direction close to the first clamping block 101, the second clamping block 103 is enabled to move between the adjacent first clamping blocks 101 and abut against the top side of the first clamping block 101 below, then the screening plate 2 moves upwards, the mounting block 102 drives the second clamping block 103 to push the first clamping block 101 to move downwards, the interference cylinder 7 continuously rotates, and accordingly, the up-down movement of the screening plate 2 can drive the interference cylinder 7 to rotate towards the same direction, the reflection position of sound waves on the inner wall of the interference cylinder 7 is favorable for continuously changing, the reflection position of the sound waves on the inner wall of the interference cylinder 7 is reduced to a certain extent, and the sound absorption layer 8 is reduced to the health of the multiple reflection of the sound absorption layer is damaged.
When the interference cylinder 7 rotates, the gear ring 161 drives the gear 162 to rotate, so that the first rotating rod 17 rotates, the second rotating rod 18 drives the exhaust fan 12 to rotate through the transmission of the belt pulley 163 and the belt 164, the exhaust fan 12 sucks dust generated by nut vibration into the exhaust pipe 14 through the branch pipe 19, and then the dust is conveyed into the sedimentation tank 15 for sedimentation, so that the dust is not easy to drift into a working environment, and the health of workers is further ensured.
The embodiment of the application discloses a using method of the nut screening device. A method of using a nut screening apparatus comprising the steps of:
step 1: conveying nuts to be screened onto the screening plate 2 from the feed pipe 4, starting the vibrating motor 26, and driving the screening plate 2 to vibrate up and down;
step 2: the broken shells and particles in the nuts fall into the receiving hopper 9 through the sieve holes 23 on the sieving plate 2, are discharged into the sound insulation box 3 through the discharging pipe 33 to be collected, and qualified nuts are moved out of the sound insulation box 3 from the discharging plate 5 in the vibration process to enter the next working procedure;
step 3: when the screening plate 2 vibrates, the interference cylinder 7 is driven to rotate towards the same direction by the rotating assembly 10, and the reflection position of noise generated by vibration of the screening plate 2 and nuts on the inner wall of the interference cylinder 7 is continuously changed in the rotation process of the interference cylinder 7, so that the noise is absorbed by multiple reflections on the sound absorption layer 8;
step 4: when the interference cylinder 7 rotates, the gear 162 and the first rotating rod 17 are driven to rotate through the gear ring 161, the first rotating rod 17 drives the second rotating rod 18 and the exhaust fan 12 to rotate through the belt pulley 163 and the belt 164, the exhaust fan 12 sucks dust generated by nut vibration into the exhaust pipe 14 through the branch pipe 19 and the air suction pipe 13, and then the dust enters the sedimentation tank 15 for sedimentation.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. Nut sieving mechanism, including support (1) and slip screening plate (2) that set up, screening plate (2) are arranged in sieving out the nibble and the garrulous shell in the nut, its characterized in that: be provided with sound insulation case (3) on support (1), screening board (2) slip sets up in sound insulation case (3), the intercommunication has inlet pipe (4) on sound insulation case (3), inlet pipe (4) are located screening board (2) top, one side intercommunication that inlet pipe (4) was kept away from to screening board (2) is provided with discharge plate (5), sound insulation case (3) are worn out to discharge plate (5), offer opening (6) that are used for supplying discharge plate (5) to stretch out on sound insulation case (3), sound insulation case (3) internal rotation is provided with interference section of thick bamboo (7), the length direction that interference section of thick bamboo (7) rotated in a parallel with screening board (2), screening board (2) are located interference section of thick bamboo (7), be provided with unsmooth layer (8) on interference section of thick bamboo (7) inner wall, be provided with in sound absorption case (3) and connect hopper (9), connect hopper (9) to be located interference section of thick bamboo (7), screening board (9) are located screening board (2) below (7), interference section of thick bamboo (2) rotation (7) are used for driving in a rotation (10) to set up in a rotation section of thick bamboo (10) when being used for rotating in an interference section of thick bamboo (7) rotation (10) vibration sets up in an interference section of thick bamboo (10) The device comprises a mounting block (102) sliding in a sound insulation box (3), a second clamping block (103) sliding on the mounting block (102), an elastic pushing piece (104) arranged on the mounting block (102) and a first transmission piece (105) arranged on a screening plate (2), wherein the sliding direction of the mounting block (102) is parallel to the moving direction of the screening plate (2), the sliding direction of the second clamping block (103) is perpendicular to the sliding direction of the mounting block (102), the second clamping block (103) is used for being abutted with a first clamping block (101), the top wall of the second clamping block (103) close to one side of the first clamping block (101) is provided with an arc surface, the arc surface is inclined downwards towards the direction away from the mounting block (102), the elastic pushing piece (104) is used for pushing the second clamping block (103) to slide towards the direction close to the first clamping block (101), the first transmission piece (105) is used for driving the mounting block (102) to move when the screening plate (2) vibrates up and down, the elastic pushing piece (104) comprises a spring 1041 which is used for pushing the second clamping block (103) to slide towards the first clamping block (101) towards the direction of the first clamping block (1041) which is parallel to the first end (101), first driving medium (105) are including installation pole (1051), transfer line (1052) and connecting rod (1053), installation pole (1051) articulates on screening board (2), transfer line (1052) rotate and set up in baffle box (3), the axis of rotation of transfer line (1052) is on a parallel with the axis of rotation of interfering section of thick bamboo (7), one end and transfer line (1052) of screening board (2) are kept away from in installation pole (1051) are articulated, connecting rod (1053) slip sets up the one end of keeping away from installation pole (1051) in transfer line (1052), the slip direction of connecting rod (1053) is on a parallel with the length direction of transfer line (1052), one end and installation piece (102) of connecting rod (1053) are kept away from transfer line (1052) are articulated, the distance that one end that transfer line (1052) are close to the transfer line (1051) is less than the distance that connecting rod (1053) one end to the rotation point.
2. The nut screening apparatus of claim 1, further characterized by: be provided with suction hood (11) in sound insulation case (3), suction hood (11) internal rotation is provided with suction fan (12), suction hood (11) are close to suction fan (12) one side intercommunication that induced drafts the end has aspiration channel (13), aspiration channel (13) extend to in disturbing the section of thick bamboo (7), suction hood (11) are close to suction fan (12) one side intercommunication that airs exhaust the end has exhaust duct (14), be provided with on support (1) sedimentation tank (15), exhaust duct (14) pass sound insulation case (3) and sedimentation tank (15) intercommunication, be provided with in sound insulation case (3) and be used for making disturbing section of thick bamboo (7) rotate time drive suction fan (12) pivoted second driving medium (16).
3. The nut screening apparatus of claim 2, further characterized by: the utility model provides an exhaust fan (12) axis of rotation is on a parallel with the axis of rotation that disturbs section of thick bamboo (7), second transmission (16) are including ring gear (161), gear (162), band pulley (163) and belt (164), ring gear (161) set up in one side that disturbs section of thick bamboo (7) and be close to ejection of compact board (5), the rotation of sound insulation case (3) is provided with first bull stick (17), axis of rotation of first bull stick (17) is on a parallel with axis of rotation that disturbs section of thick bamboo (7), gear (162) cover is established on first bull stick (17), gear (162) and ring gear (161) meshing, be provided with second bull stick (18) on exhaust fan (12), second bull stick (18) rotate on sound insulation case (3) inner wall, band pulley (163) are overlapped respectively and are established on first bull stick (17) and second bull stick (18), belt (164) winds and establish on two band pulleys (163).
4. The nut screening apparatus of claim 2, further characterized by: a plurality of branch pipes (19) are communicated with the air suction pipe (13), the plurality of branch pipes (19) are arranged along the length direction of the screening plate (2), and the branch pipes (19) are positioned above the screening plate (2).
5. The nut screening apparatus of claim 1, further characterized by: the noise-proof box is characterized in that a ratchet wheel (20) is sleeved on the interference cylinder (7), a pawl (21) is rotationally arranged in the noise-proof box (3), the pawl (21) is meshed with the ratchet wheel (20), a supporting elastic sheet (22) for resetting the pawl (21) is arranged on the noise-proof box (3), and one end, far away from the noise-proof box (3), of the supporting elastic sheet (22) is arranged on the pawl (21).
6. The method of using the nut screening apparatus of any one of claims 1-5, comprising the steps of:
step 1: conveying nuts to be screened onto the screening plate (2) from the feed pipe (4), starting the vibrating motor (26) and driving the screening plate (2) to vibrate up and down;
step 2: the broken shells and particles in the nuts fall into a receiving hopper (9) through a screening plate (2) to be collected, and the qualified nuts are moved out of the sound insulation box (3) from one side of a discharging plate (5) in the vibration process;
step 3: when the screening plate (2) vibrates, the interference cylinder (7) is driven to rotate through the rotating assembly (10), and the reflecting position of sound waves on the inner wall of the interference cylinder (7) is continuously changed in the rotation process of the interference cylinder (7), so that noise generated by the screening plate (2) and nut vibration is reflected and absorbed for multiple times on the sound absorption layer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210921109.3A CN115254602B (en) | 2022-08-02 | 2022-08-02 | Nut screening device and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210921109.3A CN115254602B (en) | 2022-08-02 | 2022-08-02 | Nut screening device and application method thereof |
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| CN115254602A CN115254602A (en) | 2022-11-01 |
| CN115254602B true CN115254602B (en) | 2023-10-10 |
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|---|---|
| CN115254602A (en) | 2022-11-01 |
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